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Install latex2man. Disabling docs.]) enable_documentation="no"; fi AM_CONDITIONAL([CONFIG_DOCS], [test x$enable_documentation = xyes]) if test "x$enable_documentation" = "xyes"; then AC_CONFIG_FILES(doc/Makefile doc/common.tex) fi AM_CONDITIONAL([CONFIG_TESTS], [test x$enable_tests = xyes]) if test "x$enable_tests" = "xyes"; then AC_CONFIG_FILES(tests/Makefile tests/check-namespace.sh) fi AC_CONFIG_FILES(Makefile src/Makefile include/libunwind-common.h include/libunwind.h include/tdep/libunwind_i.h) AC_CONFIG_FILES(src/unwind/libunwind.pc src/coredump/libunwind-coredump.pc src/ptrace/libunwind-ptrace.pc src/setjmp/libunwind-setjmp.pc src/libunwind-generic.pc) AC_OUTPUT libunwind-1.3.2/ChangeLog0000644000175000017500000000355713406556425012227 00000000000000*********************************************************** Discontinued. See git log instead at http://www.kernel.org/git/gitweb.cgi?p=libs/libunwind/libunwind.git;a=log *********************************************************** 2002-11-08 David Mosberger-Tang * src/ia64/unwind_i.h (ia64_getfp): Change from macro to inline function. Check "loc" argument for being NULL before dereferencing it. (ia64_putfp): Ditto. (ia64_get): Ditto. (ia64_put): Ditto. 2002-01-18 David Mosberger-Tang * src/ia64/parser.c (__ia64_unw_create_state_record): Set IA64_FLAG_HAS_HANDLER if the unwind info descriptors indicate that there a handler. * src/ia64/regs.c (__ia64_access_reg): Return zero for UNW_REG_HANDLER in frames that don't have a personality routine. * src/ia64/unwind_i.h (IA64_FLAG_HAS_HANDLER): New flag. * src/ia64/regs.c (__ia64_access_reg): When reading UNW_REG_HANDLER, account for the fact that the personality address is gp-relative. * src/ia64/parser.c (__ia64_unw_create_state_record): Fix initialization of segbase and len. 2002-01-17 David Mosberger-Tang * include/unwind-ia64.h: Include via "unwind.h" to ensure the file is picked up from same directory. 2002-01-16 David Mosberger-Tang * include/unwind.h: Define UNW_ESTOPUNWIND. This error code may be returned by acquire_unwind_info() to force termination of unwinding. An application may want to do this when encountering a call frame for dynamically generated code, for example. * unwind.h: Pass opaque argument pointer to acquire_unwind_info() and release_unwind_info() like we do for access_mem() etc. 2002-01-14 David Mosberger-Tang * Version 0.0 released. 2002-01-11 David Mosberger-Tang * ChangeLog created. libunwind-1.3.2/TODO0000644000175000017500000001172113406556425011135 00000000000000- Update the libunwind man page for the new/fixed cache-flushing behavior. Effectively, that unw_flush_cache() doesn't have to be called by applications except for extraordinary circumstances (e.g., if application implements its own runtime loader). - document split local-only/generic libraries and separate libunwind-ptrace.a convenience-library - document new "tdep" member in unw_proc_info_t structure - for DWARF 2, use a dummy CIE entry with an augmentation that provides the dyn-info-list-address === taken care of: Testing: + ensure that saving r4-r7 in a stacked register properly preserves the NaT bit, even in the face of register-rotation + ensure that IA64_INSN_MOVE_STACKED works correctly in the face of register rotation + on Linux, test access to f32-f127 in a signal handler (e.g., verify that fph partition gets initialized properly) + According to Nicholas S. Wourms , adding this to the Makefile.am: AUTOMAKE_OPTIONS = 1.6 subdir-objects ensures that object-files are build in separate subdirectories and that in turn makes it possible for source files in different directories to have the same filename, thus avoiding the need for those ugly -x86, -ia64, etc., postfixes. + Switch ia64 (and rest over) to using Debug() instead of debug() + implement non-local versions of dwarf_readXX() + consolidate mostly architecture-independent code such as unw_get_accessors() into shared files + caching is pretty fundamentally broken, what should happen is this: o On unw_init_local()/unw_init_remote(), libunwind should validate that the cached information is still valid and, if not, flush the cache on its own. Rationale: once unw_init_local() has been called, it is clear that the unwind info for the calling thread cannot change (otherwise the program would be buggy anyhow) and hence it is sufficient to validate the cache at this point. Similarly, once unw_init_remote() has been called, the target address space must have been stopped, because the unwinding would otherwise be unreliable anyhow. o glibc currently lacks a feature for dl_iterate_phdr() to support safe caching; I proposed on 12/16/2003 that glibc maintain two atomic counters which get inremented whenever something is added to/removed from the dl_iterate_phdr-list. Once we have such counters, we can use them in libunwind to implement an efficient version of a cache-validation routine. Once this has been fixed, update the libunwind man page accordingly. Effectively, what this means is that unw_flush_cache() doesn't have to be called by applications except for extraordinary circumstances (e.g., if application implements its own runtime loader). + man-page for unw_is_fpreg() + man-page for _U_dyn_cancel() + man-page for _U_dyn_register() + global data is not protected by a lock; causes problems if two threads call ia64_init() at almost the same time + cache the value of *cfm_loc; each rotate_FOO() call needs it! + implement the remote-lookup of the dynamic registration list + when doing sigreturn, must restore fp regs (and perhaps other regs) the same way as the (user-level) gate.S sigreturn path does! + unw_resume() must at least restore gp (r1)! consider restoring all scratch regs (but what's the performance impact on exception handling?); alternative: restore scratch regs that may be used during procedure call/return (e.g., r8-r11, f8-f11) + implement unw_resume() for the case where the current register frame is split across multiple backing stores + document restricions on using unw_resume(): + implement remote cases of unw_resume() + test both with UNW_LOCAL_ONLY and without where this makes sense + allow region-length (insn_count) in unw_dyn_region_info_t to be negative to indicate counting from the end of the procedure (to make it possible for differently-sized procedures to share the same region list if they share the same prologue/epilogue). + it appears that it is currently not possible to read register UNW_IA64_TP; fix that => no, attempts to access r13 will result in access_reg() callbacks, as desired; for local-case, access to r13 will fail though (since getcontext() doesn't, and shouldn't, capture r13) + document the special nature of UNW_IA64_GP: read-only, but adjusted automatically if the IP is changed + use pthread-mutexes where necessary, atomic ops where possible + man-page for unw_init_local() + man-page for unw_init_remote() + man-page for unw_create_addr_space() + man-page for unw_destroy_addr_space() + man-page for unw_get_proc_info() + man-page for unw_get_proc_name() + man-page for unw_get_accessors() + man-page for unw_regname() + man-page for unw_flush_cache() + man-page for unw_set_caching_policy() + man-page for unw_getcontext() + man-page for unw_is_signal_frame() + man-page for unw_step() + man-page for unw_get_reg() + man-page for unw_set_reg() + man-page for unw_get_fpreg() + man-page for unw_set_fpreg() + test with Intel compiler libunwind-1.3.2/Makefile.in0000644000175000017500000010434413640673441012514 00000000000000# Makefile.in generated by automake 1.16.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2018 Free Software Foundation, Inc. # This Makefile.in is free software; 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" >&6; } if ${lt_cv_path_NM+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM=$NM else lt_nm_to_check=${ac_tool_prefix}nm if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/$lt_tmp_nm if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then # Check to see if the nm accepts a BSD-compat flag. # Adding the 'sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty case $build_os in mingw*) lt_bad_file=conftest.nm/nofile ;; *) lt_bad_file=/dev/null ;; esac case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in *$lt_bad_file* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break 2 ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break 2 ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS=$lt_save_ifs done : ${lt_cv_path_NM=no} fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 $as_echo "$lt_cv_path_NM" >&6; } if test no != "$lt_cv_path_NM"; then NM=$lt_cv_path_NM else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else if test -n "$ac_tool_prefix"; then for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DUMPBIN"; then ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DUMPBIN=$ac_cv_prog_DUMPBIN if test -n "$DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 $as_echo "$DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$DUMPBIN" && break done fi if test -z "$DUMPBIN"; then ac_ct_DUMPBIN=$DUMPBIN for ac_prog in dumpbin "link -dump" do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DUMPBIN"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN if test -n "$ac_ct_DUMPBIN"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 $as_echo "$ac_ct_DUMPBIN" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_DUMPBIN" && break done if test "x$ac_ct_DUMPBIN" = x; then DUMPBIN=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DUMPBIN=$ac_ct_DUMPBIN fi fi case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols -headers" ;; *) DUMPBIN=: ;; esac fi if test : != "$DUMPBIN"; then NM=$DUMPBIN fi fi test -z "$NM" && NM=nm { $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 $as_echo_n "checking the name lister ($NM) interface... " >&6; } if ${lt_cv_nm_interface+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 (eval echo "\"\$as_me:$LINENO: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 $as_echo "$lt_cv_nm_interface" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 $as_echo_n "checking whether ln -s works... " >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 $as_echo "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 $as_echo_n "checking the maximum length of command line arguments... " >&6; } if ${lt_cv_sys_max_cmd_len+:} false; then : $as_echo_n "(cached) " >&6 else i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n "$lt_cv_sys_max_cmd_len"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 $as_echo_n "checking how to convert $build file names to $host format... " >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test yes != "$GCC"; then reload_cmds=false fi ;; darwin*) if test yes = "$GCC"; then reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # 'unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # that responds to the $file_magic_cmd with a given extended regex. # If you have 'file' or equivalent on your system and you're not sure # whether 'pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd* | bitrig*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&5 if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&5 && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case $with_sysroot in #( yes) if test yes = "$GCC"; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 $as_echo "$with_sysroot" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 $as_echo_n "checking for a working dd... " >&6; } if ${ac_cv_path_lt_DD+:} false; then : $as_echo_n "(cached) " >&6 else printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i : ${lt_DD:=$DD} if test -z "$lt_DD"; then ac_path_lt_DD_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in dd; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_lt_DD" || continue if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: fi $ac_path_lt_DD_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_lt_DD"; then : fi else ac_cv_path_lt_DD=$lt_DD fi rm -f conftest.i conftest2.i conftest.out fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 $as_echo "$ac_cv_path_lt_DD" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 $as_echo_n "checking how to truncate binary pipes... " >&6; } if ${lt_cv_truncate_bin+:} false; then : $as_echo_n "(cached) " >&6 else printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i lt_cv_truncate_bin= if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" fi rm -f conftest.i conftest2.i conftest.out test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 $as_echo "$lt_cv_truncate_bin" >&6; } # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in $*""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test no = "$enable_libtool_lock" || enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out what ABI is being produced by ac_compile, and set mode # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE=32 ;; *ELF-64*) HPUX_IA64_MODE=64 ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test yes = "$lt_cv_prog_gnu_ld"; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; mips64*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then emul=elf case `/usr/bin/file conftest.$ac_objext` in *32-bit*) emul="${emul}32" ;; *64-bit*) emul="${emul}64" ;; esac case `/usr/bin/file conftest.$ac_objext` in *MSB*) emul="${emul}btsmip" ;; *LSB*) emul="${emul}ltsmip" ;; esac case `/usr/bin/file conftest.$ac_objext` in *N32*) emul="${emul}n32" ;; esac LD="${LD-ld} -m $emul" fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. Note that the listed cases only cover the # situations where additional linker options are needed (such as when # doing 32-bit compilation for a host where ld defaults to 64-bit, or # vice versa); the common cases where no linker options are needed do # not appear in the list. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) case `/usr/bin/file conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*linux*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*linux*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test yes != "$lt_cv_cc_needs_belf"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS=$SAVE_CFLAGS fi ;; *-*solaris*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*|x86_64-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test yes != "$lt_cv_path_mainfest_tool"; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 $as_echo "$ac_ct_OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 $as_echo_n "checking for -single_module linker flag... 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But doing so # requires that you compile everything twice, which is a pain. if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test no = "$ld_shlibs"; then runpath_var= hardcode_libdir_flag_spec= export_dynamic_flag_spec= whole_archive_flag_spec= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix[4-9]*) if test ia64 = "$host_cpu"; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag= else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' else export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. 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then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' $wl-bernotok' allow_undefined_flag=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; 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then cp "$export_symbols" "$output_objdir/$soname.def"; echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; else $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile=$lt_outputfile.exe lt_tool_outputfile=$lt_tool_outputfile.exe ;; 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dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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" >&6; } if ${lt_cv_irix_exported_symbol+:} false; then : $as_echo_n "(cached) " >&6 else save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_irix_exported_symbol=yes else lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 $as_echo "$lt_cv_irix_exported_symbol" >&6; } if test yes = "$lt_cv_irix_exported_symbol"; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi link_all_deplibs=no else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler ld_shlibs=yes archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' ;; esac ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd* | bitrig*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' else archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath,$libdir' fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes ;; osf3*) if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test yes = "$GCC"; then wlarc='$wl' archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='$wl-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; 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# This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. Aside from not # being certain /sbin/ldconfig is available, command # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, # even though it is searched at run-time. Try to do the best guess by # appending ld.so.conf contents (and includes) to the search path. if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsdelf*-gnu) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='NetBSD ld.elf_so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd* | bitrig*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test yes = "$hardcode_automatic"; then # We can hardcode non-existent directories. if test no != "$hardcode_direct" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && test no != "$hardcode_minus_L"; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 $as_echo "$hardcode_action" >&6; } if test relink = "$hardcode_action" || test yes = "$inherit_rpath"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes; then : lt_cv_dlopen=shl_load else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 $as_echo_n "checking for shl_load in -ldld... " >&6; } if ${ac_cv_lib_dld_shl_load+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char shl_load (); int main () { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dld_shl_load=yes else ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 $as_echo "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes; then : lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld else ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : lt_cv_dlopen=dlopen else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_svld_dlopen=yes else ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 $as_echo "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes; then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 $as_echo_n "checking for dld_link in -ldld... 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"write failure creating $CONFIG_STATUS" "$LINENO" 5 # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. # Unfortunately, on DOS this fails, as config.log is still kept open # by configure, so config.status won't be able to write to it; its # output is simply discarded. So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi libunwind-1.3.2/src/0000755000175000017500000000000013640673450011310 500000000000000libunwind-1.3.2/src/mi/0000755000175000017500000000000013640673450011715 500000000000000libunwind-1.3.2/src/mi/Lget_accessors.c0000644000175000017500000000021213406556425014736 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_accessors.c" #endif libunwind-1.3.2/src/mi/Lget_proc_info_by_ip.c0000644000175000017500000000022013406556425016110 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info_by_ip.c" #endif libunwind-1.3.2/src/mi/dyn-cancel.c0000644000175000017500000000311113406556425014014 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" void _U_dyn_cancel (unw_dyn_info_t *di) { mutex_lock (&_U_dyn_info_list_lock); { ++_U_dyn_info_list.generation; if (di->prev) di->prev->next = di->next; else _U_dyn_info_list.first = di->next; if (di->next) di->next->prev = di->prev; } mutex_unlock (&_U_dyn_info_list_lock); di->next = di->prev = NULL; } libunwind-1.3.2/src/mi/Lset_cache_size.c0000644000175000017500000000021313406755365015067 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gset_cache_size.c" #endif libunwind-1.3.2/src/mi/Lset_caching_policy.c0000644000175000017500000000021713406556425015745 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gset_caching_policy.c" #endif libunwind-1.3.2/src/mi/Gdyn-extract.c0000644000175000017500000000435313406755365014365 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN int unwi_extract_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, unw_dyn_info_t *di, int need_unwind_info, void *arg) { pi->start_ip = di->start_ip; pi->end_ip = di->end_ip; pi->gp = di->gp; pi->format = di->format; switch (di->format) { case UNW_INFO_FORMAT_DYNAMIC: pi->handler = di->u.pi.handler; pi->lsda = 0; pi->flags = di->u.pi.flags; pi->unwind_info_size = 0; if (need_unwind_info) pi->unwind_info = di; else pi->unwind_info = NULL; return 0; case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: case UNW_INFO_FORMAT_ARM_EXIDX: case UNW_INFO_FORMAT_IP_OFFSET: #ifdef tdep_search_unwind_table /* call platform-specific search routine: */ return tdep_search_unwind_table (as, ip, di, pi, need_unwind_info, arg); #else /* fall through */ #endif default: break; } return -UNW_EINVAL; } libunwind-1.3.2/src/mi/backtrace.c0000644000175000017500000000437313640667603013732 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef UNW_REMOTE_ONLY #define UNW_LOCAL_ONLY #include #include #include /* See glibc manual for a description of this function. */ static ALWAYS_INLINE int slow_backtrace (void **buffer, int size, unw_context_t *uc) { unw_cursor_t cursor; unw_word_t ip; int n = 0; if (unlikely (unw_init_local (&cursor, uc) < 0)) return 0; while (unw_step (&cursor) > 0) { if (n >= size) return n; if (unw_get_reg (&cursor, UNW_REG_IP, &ip) < 0) return n; buffer[n++] = (void *) (uintptr_t) ip; } return n; } int unw_backtrace (void **buffer, int size) { unw_cursor_t cursor; unw_context_t uc; int n = size; tdep_getcontext_trace (&uc); if (unlikely (unw_init_local (&cursor, &uc) < 0)) return 0; if (unlikely (tdep_trace (&cursor, buffer, &n) < 0)) { unw_getcontext (&uc); return slow_backtrace (buffer, size, &uc); } return n; } extern int backtrace (void **buffer, int size) WEAK ALIAS(unw_backtrace); #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/mi/init.c0000644000175000017500000000367313406755365012763 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN intrmask_t unwi_full_mask; static const char rcsid[] UNUSED = "$Id: " PACKAGE_STRING " --- report bugs to " PACKAGE_BUGREPORT " $"; #if UNW_DEBUG /* Must not be declared HIDDEN because libunwind.so and libunwind-PLATFORM.so will both define their own copies of this variable and we want to use only one or the other when both libraries are loaded. */ long unwi_debug_level; #endif /* UNW_DEBUG */ HIDDEN void mi_init (void) { #if UNW_DEBUG const char *str = getenv ("UNW_DEBUG_LEVEL"); if (str) unwi_debug_level = atoi (str); if (unwi_debug_level > 0) { setbuf (stdout, NULL); setbuf (stderr, NULL); } #endif assert (sizeof (struct cursor) <= sizeof (unw_cursor_t)); } libunwind-1.3.2/src/mi/Gget_proc_info_by_ip.c0000644000175000017500000000310213406755365016111 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_get_proc_info_by_ip (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, void *as_arg) { unw_accessors_t *a = unw_get_accessors_int (as); int ret; ret = unwi_find_dynamic_proc_info (as, ip, pi, 0, as_arg); if (ret == -UNW_ENOINFO) ret = (*a->find_proc_info) (as, ip, pi, 0, as_arg); return ret; } libunwind-1.3.2/src/mi/Lget_proc_name.c0000644000175000017500000000021213406556425014714 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_name.c" #endif libunwind-1.3.2/src/mi/dyn-register.c0000644000175000017500000000312013406556425014413 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN define_lock (_U_dyn_info_list_lock); void _U_dyn_register (unw_dyn_info_t *di) { mutex_lock (&_U_dyn_info_list_lock); { ++_U_dyn_info_list.generation; di->next = _U_dyn_info_list.first; di->prev = NULL; if (di->next) di->next->prev = di; _U_dyn_info_list.first = di; } mutex_unlock (&_U_dyn_info_list_lock); } libunwind-1.3.2/src/mi/Gfind_dynamic_proc_info.c0000644000175000017500000000574013640667603016603 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" #ifdef UNW_REMOTE_ONLY static inline int local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { return -UNW_ENOINFO; } #else /* !UNW_REMOTE_ONLY */ static inline int local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { unw_dyn_info_list_t *list; unw_dyn_info_t *di; #ifndef UNW_LOCAL_ONLY # pragma weak _U_dyn_info_list_addr if (!_U_dyn_info_list_addr) return -UNW_ENOINFO; #endif list = (unw_dyn_info_list_t *) (uintptr_t) _U_dyn_info_list_addr (); for (di = list->first; di; di = di->next) if (ip >= di->start_ip && ip < di->end_ip) return unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info, arg); return -UNW_ENOINFO; } #endif /* !UNW_REMOTE_ONLY */ #ifdef UNW_LOCAL_ONLY static inline int remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { return -UNW_ENOINFO; } #else /* !UNW_LOCAL_ONLY */ static inline int remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { return unwi_dyn_remote_find_proc_info (as, ip, pi, need_unwind_info, arg); } #endif /* !UNW_LOCAL_ONLY */ HIDDEN int unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { if (as == unw_local_addr_space) return local_find_proc_info (as, ip, pi, need_unwind_info, arg); else return remote_find_proc_info (as, ip, pi, need_unwind_info, arg); } libunwind-1.3.2/src/mi/Gdestroy_addr_space.c0000644000175000017500000000257413406755365015764 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" void unw_destroy_addr_space (unw_addr_space_t as) { #ifndef UNW_LOCAL_ONLY # if UNW_DEBUG memset (as, 0, sizeof (*as)); # endif free (as); #endif } libunwind-1.3.2/src/mi/_ReadULEB.c0000644000175000017500000000051213406556425013463 00000000000000#include unw_word_t _ReadULEB (unsigned char **dpp) { unsigned shift = 0; unw_word_t byte, result = 0; unsigned char *bp = *dpp; while (1) { byte = *bp++; result |= (byte & 0x7f) << shift; if ((byte & 0x80) == 0) break; shift += 7; } *dpp = bp; return result; } libunwind-1.3.2/src/mi/Lset_reg.c0000644000175000017500000000020413406556425013543 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gset_reg.c" #endif libunwind-1.3.2/src/mi/Gput_dynamic_unwind_info.c0000644000175000017500000000354713406556425017036 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN void unwi_put_dynamic_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { switch (pi->format) { case UNW_INFO_FORMAT_DYNAMIC: #ifndef UNW_LOCAL_ONLY # ifdef UNW_REMOTE_ONLY unwi_dyn_remote_put_unwind_info (as, pi, arg); # else if (as != unw_local_addr_space) unwi_dyn_remote_put_unwind_info (as, pi, arg); # endif #endif break; case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: #ifdef tdep_put_unwind_info tdep_put_unwind_info (as, pi, arg); break; #endif /* fall through */ default: break; } } libunwind-1.3.2/src/mi/Gset_cache_size.c0000644000175000017500000000436613406755365015077 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2014 Contributed by Milian Wolff and Dave Watson This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_set_cache_size (unw_addr_space_t as, size_t size, int flag) { size_t power = 1; unsigned short log_size = 0; if (!tdep_init_done) tdep_init (); if (flag != 0) return -1; /* Currently not supported for per-thread cache due to memory leak */ /* A pthread-key destructor would work, but is not signal safe */ #if defined(HAVE___THREAD) && HAVE___THREAD return -1; #endif /* Round up to next power of two, slowly but portably */ while(power < size) { power *= 2; log_size++; /* Largest size currently supported by rs_cache */ if (log_size >= 15) break; } #if !defined(__ia64__) if (log_size == as->global_cache.log_size) return 0; /* no change */ as->global_cache.log_size = log_size; #endif /* Ensure caches are empty (and initialized). */ unw_flush_cache (as, 0, 0); #ifdef __ia64__ return 0; #else /* Synchronously purge cache, to ensure memory is allocated */ return dwarf_flush_rs_cache(&as->global_cache); #endif } libunwind-1.3.2/src/mi/Gset_fpreg.c0000644000175000017500000000261613406755365014101 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_set_fpreg (unw_cursor_t *cursor, int regnum, unw_fpreg_t val) { struct cursor *c = (struct cursor *) cursor; return tdep_access_fpreg (c, regnum, &val, 1); } libunwind-1.3.2/src/mi/Gset_reg.c0000644000175000017500000000261413406755365013551 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_set_reg (unw_cursor_t *cursor, int regnum, unw_word_t valp) { struct cursor *c = (struct cursor *) cursor; return tdep_access_reg (c, regnum, &valp, 1); } libunwind-1.3.2/src/mi/_ReadSLEB.c0000644000175000017500000000073013406556425013463 00000000000000#include unw_word_t _ReadSLEB (unsigned char **dpp) { unsigned shift = 0; unw_word_t byte, result = 0; unsigned char *bp = *dpp; while (1) { byte = *bp++; result |= (byte & 0x7f) << shift; shift += 7; if ((byte & 0x80) == 0) break; } if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0) /* sign-extend negative value */ result |= ((unw_word_t) -1) << shift; *dpp = bp; return result; } libunwind-1.3.2/src/mi/Gset_caching_policy.c0000644000175000017500000000323613406755365015750 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_set_caching_policy (unw_addr_space_t as, unw_caching_policy_t policy) { if (!tdep_init_done) tdep_init (); #if !(defined(HAVE___THREAD) && HAVE___THREAD) if (policy == UNW_CACHE_PER_THREAD) policy = UNW_CACHE_GLOBAL; #endif if (policy == as->caching_policy) return 0; /* no change */ as->caching_policy = policy; /* Ensure caches are empty (and initialized). */ unw_flush_cache (as, 0, 0); return 0; } libunwind-1.3.2/src/mi/Gdyn-remote.c0000644000175000017500000002160313406755365014203 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "libunwind_i.h" #include "remote.h" static void free_regions (unw_dyn_region_info_t *region) { if (region->next) free_regions (region->next); free (region); } static int intern_op (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_dyn_op_t *op, void *arg) { int ret; if ((ret = fetch8 (as, a, addr, &op->tag, arg)) < 0 || (ret = fetch8 (as, a, addr, &op->qp, arg)) < 0 || (ret = fetch16 (as, a, addr, &op->reg, arg)) < 0 || (ret = fetch32 (as, a, addr, &op->when, arg)) < 0 || (ret = fetchw (as, a, addr, &op->val, arg)) < 0) return ret; return 0; } static int intern_regions (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_dyn_region_info_t **regionp, void *arg) { uint32_t insn_count, op_count, i; unw_dyn_region_info_t *region; unw_word_t next_addr; int ret; *regionp = NULL; if (!*addr) return 0; /* NULL region-list */ if ((ret = fetchw (as, a, addr, &next_addr, arg)) < 0 || (ret = fetch32 (as, a, addr, (int32_t *) &insn_count, arg)) < 0 || (ret = fetch32 (as, a, addr, (int32_t *) &op_count, arg)) < 0) return ret; region = calloc (1, _U_dyn_region_info_size (op_count)); if (!region) { ret = -UNW_ENOMEM; goto out; } region->insn_count = insn_count; region->op_count = op_count; for (i = 0; i < op_count; ++i) if ((ret = intern_op (as, a, addr, region->op + i, arg)) < 0) goto out; if (next_addr) if ((ret = intern_regions (as, a, &next_addr, ®ion->next, arg)) < 0) goto out; *regionp = region; return 0; out: if (region) free_regions (region); return ret; } static int intern_array (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t table_len, unw_word_t **table_data, void *arg) { unw_word_t i, *data = calloc (table_len, WSIZE); int ret = 0; if (!data) { ret = -UNW_ENOMEM; goto out; } for (i = 0; i < table_len; ++i) if (fetchw (as, a, addr, data + i, arg) < 0) goto out; *table_data = data; return 0; out: if (data) free (data); return ret; } static void free_dyn_info (unw_dyn_info_t *di) { switch (di->format) { case UNW_INFO_FORMAT_DYNAMIC: if (di->u.pi.regions) { free_regions (di->u.pi.regions); di->u.pi.regions = NULL; } break; case UNW_INFO_FORMAT_TABLE: if (di->u.ti.table_data) { free (di->u.ti.table_data); di->u.ti.table_data = NULL; } break; case UNW_INFO_FORMAT_REMOTE_TABLE: default: break; } } static int intern_dyn_info (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_dyn_info_t *di, void *arg) { unw_word_t first_region; int ret; switch (di->format) { case UNW_INFO_FORMAT_DYNAMIC: if ((ret = fetchw (as, a, addr, &di->u.pi.name_ptr, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.pi.handler, arg)) < 0 || (ret = fetch32 (as, a, addr, (int32_t *) &di->u.pi.flags, arg)) < 0) goto out; *addr += 4; /* skip over pad0 */ if ((ret = fetchw (as, a, addr, &first_region, arg)) < 0 || (ret = intern_regions (as, a, &first_region, &di->u.pi.regions, arg)) < 0) goto out; break; case UNW_INFO_FORMAT_TABLE: if ((ret = fetchw (as, a, addr, &di->u.ti.name_ptr, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.ti.segbase, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.ti.table_len, arg)) < 0 || (ret = intern_array (as, a, addr, di->u.ti.table_len, &di->u.ti.table_data, arg)) < 0) goto out; break; case UNW_INFO_FORMAT_REMOTE_TABLE: if ((ret = fetchw (as, a, addr, &di->u.rti.name_ptr, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.rti.segbase, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.rti.table_len, arg)) < 0 || (ret = fetchw (as, a, addr, &di->u.rti.table_data, arg)) < 0) goto out; break; default: ret = -UNW_ENOINFO; goto out; } return 0; out: free_dyn_info (di); return ret; } HIDDEN int unwi_dyn_remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { unw_accessors_t *a = unw_get_accessors_int (as); unw_word_t dyn_list_addr, addr, next_addr, gen1, gen2, start_ip, end_ip; unw_dyn_info_t *di = NULL; int ret; if (as->dyn_info_list_addr) dyn_list_addr = as->dyn_info_list_addr; else { if ((*a->get_dyn_info_list_addr) (as, &dyn_list_addr, arg) < 0) return -UNW_ENOINFO; if (as->caching_policy != UNW_CACHE_NONE) as->dyn_info_list_addr = dyn_list_addr; } do { addr = dyn_list_addr; ret = -UNW_ENOINFO; if (fetchw (as, a, &addr, &gen1, arg) < 0 || fetchw (as, a, &addr, &next_addr, arg) < 0) return ret; for (addr = next_addr; addr != 0; addr = next_addr) { if (fetchw (as, a, &addr, &next_addr, arg) < 0) goto recheck; /* only fail if generation # didn't change */ addr += WSIZE; /* skip over prev_addr */ if (fetchw (as, a, &addr, &start_ip, arg) < 0 || fetchw (as, a, &addr, &end_ip, arg) < 0) goto recheck; /* only fail if generation # didn't change */ if (ip >= start_ip && ip < end_ip) { if (!di) di = calloc (1, sizeof (*di)); di->start_ip = start_ip; di->end_ip = end_ip; if (fetchw (as, a, &addr, &di->gp, arg) < 0 || fetch32 (as, a, &addr, &di->format, arg) < 0) goto recheck; /* only fail if generation # didn't change */ addr += 4; /* skip over padding */ if (need_unwind_info && intern_dyn_info (as, a, &addr, di, arg) < 0) goto recheck; /* only fail if generation # didn't change */ if (unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info, arg) < 0) { free_dyn_info (di); goto recheck; /* only fail if generation # didn't change */ } ret = 0; /* OK, found it */ break; } } /* Re-check generation number to ensure the data we have is consistent. */ recheck: addr = dyn_list_addr; if (fetchw (as, a, &addr, &gen2, arg) < 0) return ret; } while (gen1 != gen2); if (ret < 0 && di) free (di); return ret; } HIDDEN void unwi_dyn_remote_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { if (!pi->unwind_info) return; free_dyn_info (pi->unwind_info); free (pi->unwind_info); pi->unwind_info = NULL; } /* Returns 1 if the cache is up-to-date or -1 if the cache contained stale data and had to be flushed. */ HIDDEN int unwi_dyn_validate_cache (unw_addr_space_t as, void *arg) { unw_word_t addr, gen; unw_accessors_t *a; if (!as->dyn_info_list_addr) /* If we don't have the dyn_info_list_addr, we don't have anything in the cache. */ return 0; a = unw_get_accessors_int (as); addr = as->dyn_info_list_addr; if (fetchw (as, a, &addr, &gen, arg) < 0) return 1; if (gen == as->dyn_generation) return 1; unw_flush_cache (as, 0, 0); as->dyn_generation = gen; return -1; } libunwind-1.3.2/src/mi/strerror.c0000644000175000017500000000432313406556425013667 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 BEA Systems Contributed by Thomas Hallgren This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" /* Returns the text corresponding to the given err_code or the text "invalid error code" if the err_code is invalid. */ const char * unw_strerror (int err_code) { const char *cp; unw_error_t error = (unw_error_t)-err_code; switch (error) { case UNW_ESUCCESS: cp = "no error"; break; case UNW_EUNSPEC: cp = "unspecified (general) error"; break; case UNW_ENOMEM: cp = "out of memory"; break; case UNW_EBADREG: cp = "bad register number"; break; case UNW_EREADONLYREG: cp = "attempt to write read-only register"; break; case UNW_ESTOPUNWIND: cp = "stop unwinding"; break; case UNW_EINVALIDIP: cp = "invalid IP"; break; case UNW_EBADFRAME: cp = "bad frame"; break; case UNW_EINVAL: cp = "unsupported operation or bad value"; break; case UNW_EBADVERSION: cp = "unwind info has unsupported version"; break; case UNW_ENOINFO: cp = "no unwind info found"; break; default: cp = "invalid error code"; } return cp; } libunwind-1.3.2/src/mi/Ldestroy_addr_space.c0000644000175000017500000000021713406556425015755 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gdestroy_addr_space.c" #endif libunwind-1.3.2/src/mi/Ldyn-extract.c0000644000175000017500000000021013406556425014352 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gdyn-extract.c" #endif libunwind-1.3.2/src/mi/Gget_accessors.c0000644000175000017500000000270313406755365014744 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN ALIAS(unw_get_accessors) unw_accessors_t * unw_get_accessors_int (unw_addr_space_t as); unw_accessors_t * unw_get_accessors (unw_addr_space_t as) { if (!tdep_init_done) tdep_init (); return &as->acc; } libunwind-1.3.2/src/mi/Gget_reg.c0000644000175000017500000000304413406755365013533 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_get_reg (unw_cursor_t *cursor, int regnum, unw_word_t *valp) { struct cursor *c = (struct cursor *) cursor; // We can get the IP value directly without needing a lookup. if (regnum == UNW_REG_IP) { *valp = tdep_get_ip (c); return 0; } return tdep_access_reg (c, regnum, valp, 0); } libunwind-1.3.2/src/mi/dyn-info-list.c0000644000175000017500000000257013640423773014502 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" HIDDEN unw_dyn_info_list_t _U_dyn_info_list; unw_word_t _U_dyn_info_list_addr (void) { return (unw_word_t) (uintptr_t) &_U_dyn_info_list; } libunwind-1.3.2/src/mi/mempool.c0000644000175000017500000001152413406556425013456 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" /* From GCC docs: ``Gcc also provides a target specific macro * __BIGGEST_ALIGNMENT__, which is the largest alignment ever used for any data * type on the target machine you are compiling for.'' */ #ifdef __BIGGEST_ALIGNMENT__ # define MAX_ALIGN __BIGGEST_ALIGNMENT__ #else /* Crude hack to check that MAX_ALIGN is power-of-two. * sizeof(long double) = 12 on i386. */ # define MAX_ALIGN_(n) (n < 8 ? 8 : \ n < 16 ? 16 : n) # define MAX_ALIGN MAX_ALIGN_(sizeof (long double)) #endif static char sos_memory[SOS_MEMORY_SIZE] ALIGNED(MAX_ALIGN); static size_t sos_memory_freepos; static size_t pg_size; HIDDEN void * sos_alloc (size_t size) { size_t pos; size = UNW_ALIGN(size, MAX_ALIGN); #if defined(__GNUC__) && defined(HAVE_FETCH_AND_ADD) /* Assume `sos_memory' is suitably aligned. */ assert(((uintptr_t) &sos_memory[0] & (MAX_ALIGN-1)) == 0); pos = fetch_and_add (&sos_memory_freepos, size); #else static define_lock (sos_lock); intrmask_t saved_mask; lock_acquire (&sos_lock, saved_mask); { /* No assumptions about `sos_memory' alignment. */ if (sos_memory_freepos == 0) { unsigned align = UNW_ALIGN((uintptr_t) &sos_memory[0], MAX_ALIGN) - (uintptr_t) &sos_memory[0]; sos_memory_freepos = align; } pos = sos_memory_freepos; sos_memory_freepos += size; } lock_release (&sos_lock, saved_mask); #endif assert (((uintptr_t) &sos_memory[pos] & (MAX_ALIGN-1)) == 0); assert ((pos+size) <= SOS_MEMORY_SIZE); return &sos_memory[pos]; } /* Must be called while holding the mempool lock. */ static void free_object (struct mempool *pool, void *object) { struct object *obj = object; obj->next = pool->free_list; pool->free_list = obj; ++pool->num_free; } static void add_memory (struct mempool *pool, char *mem, size_t size, size_t obj_size) { char *obj; for (obj = mem; obj <= mem + size - obj_size; obj += obj_size) free_object (pool, obj); } static void expand (struct mempool *pool) { size_t size; char *mem; size = pool->chunk_size; GET_MEMORY (mem, size); if (!mem) { size = UNW_ALIGN(pool->obj_size, pg_size); GET_MEMORY (mem, size); if (!mem) { /* last chance: try to allocate one object from the SOS memory */ size = pool->obj_size; mem = sos_alloc (size); } } add_memory (pool, mem, size, pool->obj_size); } HIDDEN void mempool_init (struct mempool *pool, size_t obj_size, size_t reserve) { if (pg_size == 0) pg_size = getpagesize (); memset (pool, 0, sizeof (*pool)); lock_init (&pool->lock); /* round object-size up to integer multiple of MAX_ALIGN */ obj_size = UNW_ALIGN(obj_size, MAX_ALIGN); if (!reserve) { reserve = pg_size / obj_size / 4; if (!reserve) reserve = 16; } pool->obj_size = obj_size; pool->reserve = reserve; pool->chunk_size = UNW_ALIGN(2*reserve*obj_size, pg_size); expand (pool); } HIDDEN void * mempool_alloc (struct mempool *pool) { intrmask_t saved_mask; struct object *obj; lock_acquire (&pool->lock, saved_mask); { if (pool->num_free <= pool->reserve) expand (pool); assert (pool->num_free > 0); --pool->num_free; obj = pool->free_list; pool->free_list = obj->next; } lock_release (&pool->lock, saved_mask); return obj; } HIDDEN void mempool_free (struct mempool *pool, void *object) { intrmask_t saved_mask; lock_acquire (&pool->lock, saved_mask); { free_object (pool, object); } lock_release (&pool->lock, saved_mask); } libunwind-1.3.2/src/mi/Gget_proc_name.c0000644000175000017500000000700413640667603014716 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" #include "remote.h" static inline int intern_string (unw_addr_space_t as, unw_accessors_t *a, unw_word_t addr, char *buf, size_t buf_len, void *arg) { size_t i; int ret; for (i = 0; i < buf_len; ++i) { if ((ret = fetch8 (as, a, &addr, (int8_t *) buf + i, arg)) < 0) return ret; if (buf[i] == '\0') return 0; /* copied full string; return success */ } buf[buf_len - 1] = '\0'; /* ensure string is NUL terminated */ return -UNW_ENOMEM; } static inline int get_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { unw_accessors_t *a = unw_get_accessors_int (as); unw_proc_info_t pi; int ret; buf[0] = '\0'; /* always return a valid string, even if it's empty */ ret = unwi_find_dynamic_proc_info (as, ip, &pi, 1, arg); if (ret == 0) { unw_dyn_info_t *di = pi.unwind_info; if (offp) *offp = ip - pi.start_ip; switch (di->format) { case UNW_INFO_FORMAT_DYNAMIC: ret = intern_string (as, a, di->u.pi.name_ptr, buf, buf_len, arg); break; case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: /* XXX should we create a fake name, e.g.: "tablenameN", where N is the index of the function in the table??? */ ret = -UNW_ENOINFO; break; default: ret = -UNW_EINVAL; break; } unwi_put_dynamic_unwind_info (as, &pi, arg); return ret; } if (ret != -UNW_ENOINFO) return ret; /* not a dynamic procedure, try to lookup static procedure name: */ if (a->get_proc_name) return (*a->get_proc_name) (as, ip, buf, buf_len, offp, arg); return -UNW_ENOINFO; } int unw_get_proc_name (unw_cursor_t *cursor, char *buf, size_t buf_len, unw_word_t *offp) { struct cursor *c = (struct cursor *) cursor; unw_word_t ip; int error; ip = tdep_get_ip (c); #if !defined(__ia64__) if (c->dwarf.use_prev_instr) --ip; #endif error = get_proc_name (tdep_get_as (c), ip, buf, buf_len, offp, tdep_get_as_arg (c)); #if !defined(__ia64__) if (c->dwarf.use_prev_instr && offp != NULL && error == 0) *offp += 1; #endif return error; } libunwind-1.3.2/src/mi/Lset_fpreg.c0000644000175000017500000000020613406556425014073 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gset_fpreg.c" #endif libunwind-1.3.2/src/mi/Gget_fpreg.c0000644000175000017500000000262013406755365014060 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_get_fpreg (unw_cursor_t *cursor, int regnum, unw_fpreg_t *valp) { struct cursor *c = (struct cursor *) cursor; return tdep_access_fpreg (c, regnum, valp, 0); } libunwind-1.3.2/src/mi/Lput_dynamic_unwind_info.c0000644000175000017500000000022413406556425017030 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gput_dynamic_unwind_info.c" #endif libunwind-1.3.2/src/mi/Lfind_dynamic_proc_info.c0000644000175000017500000000022313406556425016576 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gfind_dynamic_proc_info.c" #endif libunwind-1.3.2/src/mi/Lget_reg.c0000644000175000017500000000020413406556425013527 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_reg.c" #endif libunwind-1.3.2/src/mi/flush_cache.c0000644000175000017500000000400313640667603014245 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" void unw_flush_cache (unw_addr_space_t as, unw_word_t lo, unw_word_t hi) { #if !UNW_TARGET_IA64 struct unw_debug_frame_list *w = as->debug_frames; #endif /* clear dyn_info_list_addr cache: */ as->dyn_info_list_addr = 0; #if !UNW_TARGET_IA64 for (; w; w = w->next) { if (w->index) free (w->index); free (w->debug_frame); } as->debug_frames = NULL; #endif /* This lets us flush caches lazily. The implementation currently ignores the flush range arguments (lo-hi). This is OK because unw_flush_cache() is allowed to flush more than the requested range. */ #ifdef HAVE_FETCH_AND_ADD fetch_and_add1 (&as->cache_generation); #else # warning unw_flush_cache(): need a way to atomically increment an integer. ++as->cache_generation; #endif } libunwind-1.3.2/src/mi/Lget_fpreg.c0000644000175000017500000000020613406556425014057 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_fpreg.c" #endif libunwind-1.3.2/src/unwind/0000755000175000017500000000000013640673450012614 500000000000000libunwind-1.3.2/src/unwind/libunwind.pc.in0000644000175000017500000000034513640667603015465 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libunwind Description: libunwind base library Version: @VERSION@ Libs: -L${libdir} -lunwind Libs.private: @LIBLZMA@ Cflags: -I${includedir} libunwind-1.3.2/src/unwind/Resume_or_Rethrow.c0000644000175000017500000000337613406755365016371 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" _Unwind_Reason_Code _Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exception_object) { struct _Unwind_Context context; unw_context_t uc; if (exception_object->private_1) { if (_Unwind_InitContext (&context, &uc) < 0) return _URC_FATAL_PHASE2_ERROR; return _Unwind_Phase2 (exception_object, &context); } else return _Unwind_RaiseException (exception_object); } _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *) ALIAS (_Unwind_Resume_or_Rethrow); libunwind-1.3.2/src/unwind/GetRegionStart.c0000644000175000017500000000302013406755365015602 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetRegionStart (struct _Unwind_Context *context) { unw_proc_info_t pi; pi.start_ip = 0; unw_get_proc_info (&context->cursor, &pi); return pi.start_ip; } unsigned long __libunwind_Unwind_GetRegionStart (struct _Unwind_Context *) ALIAS (_Unwind_GetRegionStart); libunwind-1.3.2/src/unwind/GetBSP.c0000644000175000017500000000302213406755365013767 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetBSP (struct _Unwind_Context *context) { #ifdef UNW_TARGET_IA64 unw_word_t val; unw_get_reg (&context->cursor, UNW_IA64_BSP, &val); return val; #else return 0; #endif } unsigned long __libunwind_Unwind_GetBSP (struct _Unwind_Context *) ALIAS (_Unwind_GetBSP); libunwind-1.3.2/src/unwind/GetDataRelBase.c0000644000175000017500000000300413406755365015452 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetDataRelBase (struct _Unwind_Context *context) { unw_proc_info_t pi; pi.gp = 0; unw_get_proc_info (&context->cursor, &pi); return pi.gp; } unsigned long __libunwind_Unwind_GetDataRelBase (struct _Unwind_Context *) ALIAS (_Unwind_GetDataRelBase); libunwind-1.3.2/src/unwind/GetTextRelBase.c0000644000175000017500000000265713406755365015542 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetTextRelBase (struct _Unwind_Context *context) { return 0; } unsigned long __libunwind_Unwind_GetTextRelBase (struct _Unwind_Context *) ALIAS (_Unwind_GetTextRelBase); libunwind-1.3.2/src/unwind/GetGR.c0000644000175000017500000000324413406755365013661 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetGR (struct _Unwind_Context *context, int index) { unw_word_t val; if (index == UNW_REG_SP && context->end_of_stack) /* _Unwind_ForcedUnwind() requires us to return a NULL stack-pointer after reaching the end of the stack. */ return 0; unw_get_reg (&context->cursor, index, &val); return val; } unsigned long __libunwind_Unwind_GetGR (struct _Unwind_Context *, int) ALIAS (_Unwind_GetGR); libunwind-1.3.2/src/unwind/SetGR.c0000644000175000017500000000345013406755365013674 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" #ifdef UNW_TARGET_X86 #include "dwarf_i.h" #endif void _Unwind_SetGR (struct _Unwind_Context *context, int index, unsigned long new_value) { #ifdef UNW_TARGET_X86 index = dwarf_to_unw_regnum(index); #endif unw_set_reg (&context->cursor, index, new_value); #ifdef UNW_TARGET_IA64 if (index >= UNW_IA64_GR && index <= UNW_IA64_GR + 127) /* Clear the NaT bit. */ unw_set_reg (&context->cursor, UNW_IA64_NAT + (index - UNW_IA64_GR), 0); #endif } void __libunwind_Unwind_SetGR (struct _Unwind_Context *, int, unsigned long) ALIAS (_Unwind_SetGR); libunwind-1.3.2/src/unwind/RaiseException.c0000644000175000017500000000712313406755365015633 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *exception_object) { uint64_t exception_class = exception_object->exception_class; _Unwind_Personality_Fn personality; struct _Unwind_Context context; _Unwind_Reason_Code reason; unw_proc_info_t pi; unw_context_t uc; unw_word_t ip; int ret; Debug (1, "(exception_object=%p)\n", exception_object); if (_Unwind_InitContext (&context, &uc) < 0) return _URC_FATAL_PHASE1_ERROR; /* Phase 1 (search phase) */ while (1) { if ((ret = unw_step (&context.cursor)) <= 0) { if (ret == 0) { Debug (1, "no handler found\n"); return _URC_END_OF_STACK; } else return _URC_FATAL_PHASE1_ERROR; } if (unw_get_proc_info (&context.cursor, &pi) < 0) return _URC_FATAL_PHASE1_ERROR; personality = (_Unwind_Personality_Fn) (uintptr_t) pi.handler; if (personality) { reason = (*personality) (_U_VERSION, _UA_SEARCH_PHASE, exception_class, exception_object, &context); if (reason != _URC_CONTINUE_UNWIND) { if (reason == _URC_HANDLER_FOUND) break; else { Debug (1, "personality returned %d\n", reason); return _URC_FATAL_PHASE1_ERROR; } } } } /* Exceptions are associated with IP-ranges. If a given exception is handled at a particular IP, it will _always_ be handled at that IP. If this weren't true, we'd have to track the tuple (IP,SP,BSP) to uniquely identify the stack frame that's handling the exception. */ if (unw_get_reg (&context.cursor, UNW_REG_IP, &ip) < 0) return _URC_FATAL_PHASE1_ERROR; exception_object->private_1 = 0; /* clear "stop" pointer */ exception_object->private_2 = ip; /* save frame marker */ Debug (1, "found handler for IP=%lx; entering cleanup phase\n", (long) ip); /* Reset the cursor to the first frame: */ if (unw_init_local (&context.cursor, &uc) < 0) return _URC_FATAL_PHASE1_ERROR; return _Unwind_Phase2 (exception_object, &context); } _Unwind_Reason_Code __libunwind_Unwind_RaiseException (struct _Unwind_Exception *) ALIAS (_Unwind_RaiseException); libunwind-1.3.2/src/unwind/SetIP.c0000644000175000017500000000272713406755365013702 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" void _Unwind_SetIP (struct _Unwind_Context *context, unsigned long new_value) { unw_set_reg (&context->cursor, UNW_REG_IP, new_value); } void __libunwind_Unwind_SetIP (struct _Unwind_Context *, unsigned long) ALIAS (_Unwind_SetIP); libunwind-1.3.2/src/unwind/Resume.c0000644000175000017500000000306613406755365014153 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" void _Unwind_Resume (struct _Unwind_Exception *exception_object) { struct _Unwind_Context context; unw_context_t uc; if (_Unwind_InitContext (&context, &uc) < 0) abort (); _Unwind_Phase2 (exception_object, &context); abort (); } void __libunwind_Unwind_Resume (struct _Unwind_Exception *) ALIAS (_Unwind_Resume); libunwind-1.3.2/src/unwind/GetCFA.c0000644000175000017500000000274013406755365013742 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetCFA (struct _Unwind_Context *context) { unw_word_t val; unw_get_reg (&context->cursor, UNW_REG_SP, &val); return val; } unsigned long __libunwind_Unwind_GetCFA (struct _Unwind_Context *) ALIAS (_Unwind_GetCFA); libunwind-1.3.2/src/unwind/unwind-internal.h0000644000175000017500000001161513406556425016031 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_internal_h #define unwind_internal_h #define UNW_LOCAL_ONLY #include #include #include #include "libunwind_i.h" /* The version of the _Unwind_*() interface implemented by this code. */ #define _U_VERSION 1 typedef _Unwind_Reason_Code (*_Unwind_Personality_Fn) (int, _Unwind_Action, uint64_t, struct _Unwind_Exception *, struct _Unwind_Context *); struct _Unwind_Context { unw_cursor_t cursor; int end_of_stack; /* set to 1 if the end of stack was reached */ }; /* This must be a macro because unw_getcontext() must be invoked from the callee, even if optimization (and hence inlining) is turned off. The macro arguments MUST NOT have any side-effects. */ #define _Unwind_InitContext(context, uc) \ ((context)->end_of_stack = 0, \ ((unw_getcontext (uc) < 0 || unw_init_local (&(context)->cursor, uc) < 0) \ ? -1 : 0)) static _Unwind_Reason_Code ALWAYS_INLINE _Unwind_Phase2 (struct _Unwind_Exception *exception_object, struct _Unwind_Context *context) { _Unwind_Stop_Fn stop = (_Unwind_Stop_Fn) exception_object->private_1; uint64_t exception_class = exception_object->exception_class; void *stop_parameter = (void *) exception_object->private_2; _Unwind_Personality_Fn personality; _Unwind_Reason_Code reason; _Unwind_Action actions; unw_proc_info_t pi; unw_word_t ip; int ret; actions = _UA_CLEANUP_PHASE; if (stop) actions |= _UA_FORCE_UNWIND; while (1) { ret = unw_step (&context->cursor); if (ret <= 0) { if (ret == 0) { actions |= _UA_END_OF_STACK; context->end_of_stack = 1; } else return _URC_FATAL_PHASE2_ERROR; } if (stop) { reason = (*stop) (_U_VERSION, actions, exception_class, exception_object, context, stop_parameter); if (reason != _URC_NO_REASON) /* Stop function may return _URC_FATAL_PHASE2_ERROR if it's unable to handle end-of-stack condition or _URC_FATAL_PHASE2_ERROR if something is wrong. Not that it matters: the resulting state is indeterminate anyhow so we must return _URC_FATAL_PHASE2_ERROR... */ return _URC_FATAL_PHASE2_ERROR; } if (context->end_of_stack || unw_get_proc_info (&context->cursor, &pi) < 0) return _URC_FATAL_PHASE2_ERROR; personality = (_Unwind_Personality_Fn) (uintptr_t) pi.handler; if (personality) { if (!stop) { if (unw_get_reg (&context->cursor, UNW_REG_IP, &ip) < 0) return _URC_FATAL_PHASE2_ERROR; if ((unsigned long) stop_parameter == ip) actions |= _UA_HANDLER_FRAME; } reason = (*personality) (_U_VERSION, actions, exception_class, exception_object, context); if (reason != _URC_CONTINUE_UNWIND) { if (reason == _URC_INSTALL_CONTEXT) { /* we may regain control via _Unwind_Resume() */ unw_resume (&context->cursor); abort (); } else return _URC_FATAL_PHASE2_ERROR; } if (actions & _UA_HANDLER_FRAME) /* The personality routine for the handler-frame changed it's mind; that's a no-no... */ abort (); } } return _URC_FATAL_PHASE2_ERROR; /* shouldn't be reached */ } #endif /* unwind_internal_h */ libunwind-1.3.2/src/unwind/GetLanguageSpecificData.c0000644000175000017500000000304313406755365017331 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetLanguageSpecificData (struct _Unwind_Context *context) { unw_proc_info_t pi; pi.lsda = 0; unw_get_proc_info (&context->cursor, &pi); return pi.lsda; } unsigned long __libunwind_Unwind_GetLanguageSpecificData (struct _Unwind_Context *) ALIAS (_Unwind_GetLanguageSpecificData); libunwind-1.3.2/src/unwind/GetIPInfo.c0000644000175000017500000000330213406755365014470 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2009 Red Hat Contributed by Jan Kratochvil This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" /* gcc/unwind-dw2.c: Retrieve the return address and flag whether that IP is before or after first not yet fully executed instruction. */ unsigned long _Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn) { unw_word_t val; unw_get_reg (&context->cursor, UNW_REG_IP, &val); *ip_before_insn = unw_is_signal_frame (&context->cursor); return val; } unsigned long __libunwind_Unwind_GetIPInfo (struct _Unwind_Context *, int *) ALIAS (_Unwind_GetIPInfo); libunwind-1.3.2/src/unwind/ForcedUnwind.c0000644000175000017500000000410113406755365015271 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *exception_object, _Unwind_Stop_Fn stop, void *stop_parameter) { struct _Unwind_Context context; unw_context_t uc; /* We check "stop" here to tell the compiler's inliner that exception_object->private_1 isn't NULL when calling _Unwind_Phase2(). */ if (!stop) return _URC_FATAL_PHASE2_ERROR; if (_Unwind_InitContext (&context, &uc) < 0) return _URC_FATAL_PHASE2_ERROR; exception_object->private_1 = (unsigned long) stop; exception_object->private_2 = (unsigned long) stop_parameter; return _Unwind_Phase2 (exception_object, &context); } _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind (struct _Unwind_Exception*, _Unwind_Stop_Fn, void *) ALIAS (_Unwind_ForcedUnwind); libunwind-1.3.2/src/unwind/FindEnclosingFunction.c0000644000175000017500000000313013406755365017133 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" void * _Unwind_FindEnclosingFunction (void *ip) { unw_proc_info_t pi; if (unw_get_proc_info_by_ip (unw_local_addr_space, (unw_word_t) (uintptr_t) ip, &pi, 0) < 0) return NULL; return (void *) (uintptr_t) pi.start_ip; } void *__libunwind_Unwind_FindEnclosingFunction (void *) ALIAS (_Unwind_FindEnclosingFunction); libunwind-1.3.2/src/unwind/GetIP.c0000644000175000017500000000273513406755365013665 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" unsigned long _Unwind_GetIP (struct _Unwind_Context *context) { unw_word_t val; unw_get_reg (&context->cursor, UNW_REG_IP, &val); return val; } unsigned long __libunwind_Unwind_GetIP (struct _Unwind_Context *) ALIAS (_Unwind_GetIP); libunwind-1.3.2/src/unwind/DeleteException.c0000644000175000017500000000310113406755365015762 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" void _Unwind_DeleteException (struct _Unwind_Exception *exception_object) { _Unwind_Exception_Cleanup_Fn cleanup = exception_object->exception_cleanup; if (cleanup) (*cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exception_object); } void __libunwind_Unwind_DeleteException (struct _Unwind_Exception *) ALIAS (_Unwind_DeleteException); libunwind-1.3.2/src/unwind/Backtrace.c0000644000175000017500000000364713406755365014577 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind-internal.h" _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_parameter) { struct _Unwind_Context context; unw_context_t uc; int ret; if (_Unwind_InitContext (&context, &uc) < 0) return _URC_FATAL_PHASE1_ERROR; /* Phase 1 (search phase) */ while (1) { if ((ret = unw_step (&context.cursor)) <= 0) { if (ret == 0) return _URC_END_OF_STACK; else return _URC_FATAL_PHASE1_ERROR; } if ((*trace) (&context, trace_parameter) != _URC_NO_REASON) return _URC_FATAL_PHASE1_ERROR; } } _Unwind_Reason_Code __libunwind_Unwind_Backtrace (_Unwind_Trace_Fn, void *) ALIAS (_Unwind_Backtrace); libunwind-1.3.2/src/dwarf/0000755000175000017500000000000013640673450012413 500000000000000libunwind-1.3.2/src/dwarf/Gfde.c0000644000175000017500000002726013406755365013361 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dwarf_i.h" static inline int is_cie_id (unw_word_t val, int is_debug_frame) { /* The CIE ID is normally 0xffffffff (for 32-bit ELF) or 0xffffffffffffffff (for 64-bit ELF). However, .eh_frame uses 0. */ if (is_debug_frame) return (val == (uint32_t)(-1) || val == (uint64_t)(-1)); else return (val == 0); } /* Note: we don't need to keep track of more than the first four characters of the augmentation string, because we (a) ignore any augmentation string contents once we find an unrecognized character and (b) those characters that we do recognize, can't be repeated. */ static inline int parse_cie (unw_addr_space_t as, unw_accessors_t *a, unw_word_t addr, const unw_proc_info_t *pi, struct dwarf_cie_info *dci, int is_debug_frame, void *arg) { uint8_t version, ch, augstr[5], fde_encoding, handler_encoding; unw_word_t len, cie_end_addr, aug_size; uint32_t u32val; uint64_t u64val; size_t i; int ret; # define STR2(x) #x # define STR(x) STR2(x) /* Pick appropriate default for FDE-encoding. DWARF spec says start-IP (initial_location) and the code-size (address_range) are "address-unit sized constants". The `R' augmentation can be used to override this, but by default, we pick an address-sized unit for fde_encoding. */ switch (dwarf_addr_size (as)) { case 4: fde_encoding = DW_EH_PE_udata4; break; case 8: fde_encoding = DW_EH_PE_udata8; break; default: fde_encoding = DW_EH_PE_omit; break; } dci->lsda_encoding = DW_EH_PE_omit; dci->handler = 0; if ((ret = dwarf_readu32 (as, a, &addr, &u32val, arg)) < 0) return ret; if (u32val != 0xffffffff) { /* the CIE is in the 32-bit DWARF format */ uint32_t cie_id; /* DWARF says CIE id should be 0xffffffff, but in .eh_frame, it's 0 */ const uint32_t expected_id = (is_debug_frame) ? 0xffffffff : 0; len = u32val; cie_end_addr = addr + len; if ((ret = dwarf_readu32 (as, a, &addr, &cie_id, arg)) < 0) return ret; if (cie_id != expected_id) { Debug (1, "Unexpected CIE id %x\n", cie_id); return -UNW_EINVAL; } } else { /* the CIE is in the 64-bit DWARF format */ uint64_t cie_id; /* DWARF says CIE id should be 0xffffffffffffffff, but in .eh_frame, it's 0 */ const uint64_t expected_id = (is_debug_frame) ? 0xffffffffffffffffull : 0; if ((ret = dwarf_readu64 (as, a, &addr, &u64val, arg)) < 0) return ret; len = u64val; cie_end_addr = addr + len; if ((ret = dwarf_readu64 (as, a, &addr, &cie_id, arg)) < 0) return ret; if (cie_id != expected_id) { Debug (1, "Unexpected CIE id %llx\n", (long long) cie_id); return -UNW_EINVAL; } } dci->cie_instr_end = cie_end_addr; if ((ret = dwarf_readu8 (as, a, &addr, &version, arg)) < 0) return ret; /* GCC emits version 1??? */ if (version != 1 && (version < DWARF_CIE_VERSION || version > DWARF_CIE_VERSION_MAX)) { Debug (1, "Got CIE version %u, expected version 1 or between " STR (DWARF_CIE_VERSION) " and " STR (DWARF_CIE_VERSION_MAX) "\n", version); return -UNW_EBADVERSION; } /* read and parse the augmentation string: */ memset (augstr, 0, sizeof (augstr)); for (i = 0;;) { if ((ret = dwarf_readu8 (as, a, &addr, &ch, arg)) < 0) return ret; if (!ch) break; /* end of augmentation string */ if (i < sizeof (augstr) - 1) augstr[i++] = ch; } if ((ret = dwarf_read_uleb128 (as, a, &addr, &dci->code_align, arg)) < 0 || (ret = dwarf_read_sleb128 (as, a, &addr, &dci->data_align, arg)) < 0) return ret; /* Read the return-address column either as a u8 or as a uleb128. */ if (version == 1) { if ((ret = dwarf_readu8 (as, a, &addr, &ch, arg)) < 0) return ret; dci->ret_addr_column = ch; } else if ((ret = dwarf_read_uleb128 (as, a, &addr, &dci->ret_addr_column, arg)) < 0) return ret; i = 0; if (augstr[0] == 'z') { dci->sized_augmentation = 1; if ((ret = dwarf_read_uleb128 (as, a, &addr, &aug_size, arg)) < 0) return ret; i++; } for (; i < sizeof (augstr) && augstr[i]; ++i) switch (augstr[i]) { case 'L': /* read the LSDA pointer-encoding format. */ if ((ret = dwarf_readu8 (as, a, &addr, &ch, arg)) < 0) return ret; dci->lsda_encoding = ch; break; case 'R': /* read the FDE pointer-encoding format. */ if ((ret = dwarf_readu8 (as, a, &addr, &fde_encoding, arg)) < 0) return ret; break; case 'P': /* read the personality-routine pointer-encoding format. */ if ((ret = dwarf_readu8 (as, a, &addr, &handler_encoding, arg)) < 0) return ret; if ((ret = dwarf_read_encoded_pointer (as, a, &addr, handler_encoding, pi, &dci->handler, arg)) < 0) return ret; break; case 'S': /* This is a signal frame. */ dci->signal_frame = 1; /* Temporarily set it to one so dwarf_parse_fde() knows that it should fetch the actual ABI/TAG pair from the FDE. */ dci->have_abi_marker = 1; break; default: Debug (1, "Unexpected augmentation string `%s'\n", augstr); if (dci->sized_augmentation) /* If we have the size of the augmentation body, we can skip over the parts that we don't understand, so we're OK. */ goto done; else return -UNW_EINVAL; } done: dci->fde_encoding = fde_encoding; dci->cie_instr_start = addr; Debug (15, "CIE parsed OK, augmentation = \"%s\", handler=0x%lx\n", augstr, (long) dci->handler); return 0; } /* Extract proc-info from the FDE starting at adress ADDR. Pass BASE as zero for eh_frame behaviour, or a pointer to debug_frame base for debug_frame behaviour. */ HIDDEN int dwarf_extract_proc_info_from_fde (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addrp, unw_proc_info_t *pi, unw_word_t base, int need_unwind_info, int is_debug_frame, void *arg) { unw_word_t fde_end_addr, cie_addr, cie_offset_addr, aug_end_addr = 0; unw_word_t start_ip, ip_range, aug_size, addr = *addrp; int ret, ip_range_encoding; struct dwarf_cie_info dci; uint64_t u64val; uint32_t u32val; Debug (12, "FDE @ 0x%lx\n", (long) addr); memset (&dci, 0, sizeof (dci)); if ((ret = dwarf_readu32 (as, a, &addr, &u32val, arg)) < 0) return ret; if (u32val != 0xffffffff) { int32_t cie_offset = 0; /* In some configurations, an FDE with a 0 length indicates the end of the FDE-table. */ if (u32val == 0) return -UNW_ENOINFO; /* the FDE is in the 32-bit DWARF format */ *addrp = fde_end_addr = addr + u32val; cie_offset_addr = addr; if ((ret = dwarf_reads32 (as, a, &addr, &cie_offset, arg)) < 0) return ret; if (is_cie_id (cie_offset, is_debug_frame)) /* ignore CIEs (happens during linear searches) */ return 0; if (is_debug_frame) cie_addr = base + cie_offset; else /* DWARF says that the CIE_pointer in the FDE is a .debug_frame-relative offset, but the GCC-generated .eh_frame sections instead store a "pcrelative" offset, which is just as fine as it's self-contained. */ cie_addr = cie_offset_addr - cie_offset; } else { int64_t cie_offset = 0; /* the FDE is in the 64-bit DWARF format */ if ((ret = dwarf_readu64 (as, a, &addr, &u64val, arg)) < 0) return ret; *addrp = fde_end_addr = addr + u64val; cie_offset_addr = addr; if ((ret = dwarf_reads64 (as, a, &addr, &cie_offset, arg)) < 0) return ret; if (is_cie_id (cie_offset, is_debug_frame)) /* ignore CIEs (happens during linear searches) */ return 0; if (is_debug_frame) cie_addr = base + cie_offset; else /* DWARF says that the CIE_pointer in the FDE is a .debug_frame-relative offset, but the GCC-generated .eh_frame sections instead store a "pcrelative" offset, which is just as fine as it's self-contained. */ cie_addr = (unw_word_t) ((uint64_t) cie_offset_addr - cie_offset); } Debug (15, "looking for CIE at address %lx\n", (long) cie_addr); if ((ret = parse_cie (as, a, cie_addr, pi, &dci, is_debug_frame, arg)) < 0) return ret; /* IP-range has same encoding as FDE pointers, except that it's always an absolute value: */ ip_range_encoding = dci.fde_encoding & DW_EH_PE_FORMAT_MASK; if ((ret = dwarf_read_encoded_pointer (as, a, &addr, dci.fde_encoding, pi, &start_ip, arg)) < 0 || (ret = dwarf_read_encoded_pointer (as, a, &addr, ip_range_encoding, pi, &ip_range, arg)) < 0) return ret; pi->start_ip = start_ip; pi->end_ip = start_ip + ip_range; pi->handler = dci.handler; if (dci.sized_augmentation) { if ((ret = dwarf_read_uleb128 (as, a, &addr, &aug_size, arg)) < 0) return ret; aug_end_addr = addr + aug_size; } if ((ret = dwarf_read_encoded_pointer (as, a, &addr, dci.lsda_encoding, pi, &pi->lsda, arg)) < 0) return ret; Debug (15, "FDE covers IP 0x%lx-0x%lx, LSDA=0x%lx\n", (long) pi->start_ip, (long) pi->end_ip, (long) pi->lsda); if (need_unwind_info) { pi->format = UNW_INFO_FORMAT_TABLE; pi->unwind_info_size = sizeof (dci); pi->unwind_info = mempool_alloc (&dwarf_cie_info_pool); if (!pi->unwind_info) return -UNW_ENOMEM; if (dci.have_abi_marker) { if ((ret = dwarf_readu16 (as, a, &addr, &dci.abi, arg)) < 0 || (ret = dwarf_readu16 (as, a, &addr, &dci.tag, arg)) < 0) return ret; Debug (13, "Found ABI marker = (abi=%u, tag=%u)\n", dci.abi, dci.tag); } if (dci.sized_augmentation) dci.fde_instr_start = aug_end_addr; else dci.fde_instr_start = addr; dci.fde_instr_end = fde_end_addr; memcpy (pi->unwind_info, &dci, sizeof (dci)); } return 0; } libunwind-1.3.2/src/dwarf/global.c0000644000175000017500000000302613406755365013746 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dwarf_i.h" HIDDEN struct mempool dwarf_reg_state_pool; HIDDEN struct mempool dwarf_cie_info_pool; HIDDEN int dwarf_init (void) { mempool_init (&dwarf_reg_state_pool, sizeof (dwarf_stackable_reg_state_t), 0); mempool_init (&dwarf_cie_info_pool, sizeof (struct dwarf_cie_info), 0); return 0; } libunwind-1.3.2/src/dwarf/Gexpr.c0000644000175000017500000005255113640667603013577 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dwarf_i.h" #include "libunwind_i.h" /* The "pick" operator provides an index range of 0..255 indicating that the stack could at least have a depth of up to 256 elements, but the GCC unwinder restricts the depth to 64, which seems reasonable so we use the same value here. */ #define MAX_EXPR_STACK_SIZE 64 #define NUM_OPERANDS(signature) (((signature) >> 6) & 0x3) #define OPND1_TYPE(signature) (((signature) >> 3) & 0x7) #define OPND2_TYPE(signature) (((signature) >> 0) & 0x7) #define OPND_SIGNATURE(n, t1, t2) (((n) << 6) | ((t1) << 3) | ((t2) << 0)) #define OPND1(t1) OPND_SIGNATURE(1, t1, 0) #define OPND2(t1, t2) OPND_SIGNATURE(2, t1, t2) #define VAL8 0x0 #define VAL16 0x1 #define VAL32 0x2 #define VAL64 0x3 #define ULEB128 0x4 #define SLEB128 0x5 #define OFFSET 0x6 /* 32-bit offset for 32-bit DWARF, 64-bit otherwise */ #define ADDR 0x7 /* Machine address. */ static const uint8_t operands[256] = { [DW_OP_addr] = OPND1 (ADDR), [DW_OP_const1u] = OPND1 (VAL8), [DW_OP_const1s] = OPND1 (VAL8), [DW_OP_const2u] = OPND1 (VAL16), [DW_OP_const2s] = OPND1 (VAL16), [DW_OP_const4u] = OPND1 (VAL32), [DW_OP_const4s] = OPND1 (VAL32), [DW_OP_const8u] = OPND1 (VAL64), [DW_OP_const8s] = OPND1 (VAL64), [DW_OP_pick] = OPND1 (VAL8), [DW_OP_plus_uconst] = OPND1 (ULEB128), [DW_OP_skip] = OPND1 (VAL16), [DW_OP_bra] = OPND1 (VAL16), [DW_OP_breg0 + 0] = OPND1 (SLEB128), [DW_OP_breg0 + 1] = OPND1 (SLEB128), [DW_OP_breg0 + 2] = OPND1 (SLEB128), [DW_OP_breg0 + 3] = OPND1 (SLEB128), [DW_OP_breg0 + 4] = OPND1 (SLEB128), [DW_OP_breg0 + 5] = OPND1 (SLEB128), [DW_OP_breg0 + 6] = OPND1 (SLEB128), [DW_OP_breg0 + 7] = OPND1 (SLEB128), [DW_OP_breg0 + 8] = OPND1 (SLEB128), [DW_OP_breg0 + 9] = OPND1 (SLEB128), [DW_OP_breg0 + 10] = OPND1 (SLEB128), [DW_OP_breg0 + 11] = OPND1 (SLEB128), [DW_OP_breg0 + 12] = OPND1 (SLEB128), [DW_OP_breg0 + 13] = OPND1 (SLEB128), [DW_OP_breg0 + 14] = OPND1 (SLEB128), [DW_OP_breg0 + 15] = OPND1 (SLEB128), [DW_OP_breg0 + 16] = OPND1 (SLEB128), [DW_OP_breg0 + 17] = OPND1 (SLEB128), [DW_OP_breg0 + 18] = OPND1 (SLEB128), [DW_OP_breg0 + 19] = OPND1 (SLEB128), [DW_OP_breg0 + 20] = OPND1 (SLEB128), [DW_OP_breg0 + 21] = OPND1 (SLEB128), [DW_OP_breg0 + 22] = OPND1 (SLEB128), [DW_OP_breg0 + 23] = OPND1 (SLEB128), [DW_OP_breg0 + 24] = OPND1 (SLEB128), [DW_OP_breg0 + 25] = OPND1 (SLEB128), [DW_OP_breg0 + 26] = OPND1 (SLEB128), [DW_OP_breg0 + 27] = OPND1 (SLEB128), [DW_OP_breg0 + 28] = OPND1 (SLEB128), [DW_OP_breg0 + 29] = OPND1 (SLEB128), [DW_OP_breg0 + 30] = OPND1 (SLEB128), [DW_OP_breg0 + 31] = OPND1 (SLEB128), [DW_OP_regx] = OPND1 (ULEB128), [DW_OP_fbreg] = OPND1 (SLEB128), [DW_OP_bregx] = OPND2 (ULEB128, SLEB128), [DW_OP_piece] = OPND1 (ULEB128), [DW_OP_deref_size] = OPND1 (VAL8), [DW_OP_xderef_size] = OPND1 (VAL8), [DW_OP_call2] = OPND1 (VAL16), [DW_OP_call4] = OPND1 (VAL32), [DW_OP_call_ref] = OPND1 (OFFSET) }; static inline unw_sword_t sword (unw_addr_space_t as, unw_word_t val) { switch (dwarf_addr_size (as)) { case 1: return (int8_t) val; case 2: return (int16_t) val; case 4: return (int32_t) val; case 8: return (int64_t) val; default: abort (); } } static inline unw_word_t read_operand (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int operand_type, unw_word_t *val, void *arg) { uint8_t u8; uint16_t u16; uint32_t u32; uint64_t u64; int ret; if (operand_type == ADDR) switch (dwarf_addr_size (as)) { case 1: operand_type = VAL8; break; case 2: operand_type = VAL16; break; case 4: operand_type = VAL32; break; case 8: operand_type = VAL64; break; default: abort (); } switch (operand_type) { case VAL8: ret = dwarf_readu8 (as, a, addr, &u8, arg); if (ret < 0) return ret; *val = u8; break; case VAL16: ret = dwarf_readu16 (as, a, addr, &u16, arg); if (ret < 0) return ret; *val = u16; break; case VAL32: ret = dwarf_readu32 (as, a, addr, &u32, arg); if (ret < 0) return ret; *val = u32; break; case VAL64: ret = dwarf_readu64 (as, a, addr, &u64, arg); if (ret < 0) return ret; *val = u64; break; case ULEB128: ret = dwarf_read_uleb128 (as, a, addr, val, arg); break; case SLEB128: ret = dwarf_read_sleb128 (as, a, addr, val, arg); break; case OFFSET: /* only used by DW_OP_call_ref, which we don't implement */ default: Debug (1, "Unexpected operand type %d\n", operand_type); ret = -UNW_EINVAL; } return ret; } HIDDEN int dwarf_stack_aligned(struct dwarf_cursor *c, unw_word_t cfa_addr, unw_word_t rbp_addr, unw_word_t *cfa_offset) { unw_accessors_t *a; int ret; void *arg; unw_word_t len; uint8_t opcode; unw_word_t operand1; a = unw_get_accessors_int (c->as); arg = c->as_arg; ret = dwarf_read_uleb128(c->as, a, &rbp_addr, &len, arg); if (len != 2 || ret < 0) return 0; ret = dwarf_readu8(c->as, a, &rbp_addr, &opcode, arg); if (ret < 0 || opcode != DW_OP_breg6) return 0; ret = read_operand(c->as, a, &rbp_addr, OPND1_TYPE(operands[opcode]), &operand1, arg); if (ret < 0 || operand1 != 0) return 0; ret = dwarf_read_uleb128(c->as, a, &cfa_addr, &len, arg); if (ret < 0 || len != 3) return 0; ret = dwarf_readu8(c->as, a, &cfa_addr, &opcode, arg); if (ret < 0 || opcode != DW_OP_breg6) return 0; ret = read_operand(c->as, a, &cfa_addr, OPND1_TYPE(operands[opcode]), &operand1, arg); if (ret < 0) return 0; ret = dwarf_readu8(c->as, a, &cfa_addr, &opcode, arg); if (ret < 0 || opcode != DW_OP_deref) return 0; *cfa_offset = operand1; return 1; } HIDDEN int dwarf_eval_expr (struct dwarf_cursor *c, unw_word_t *addr, unw_word_t len, unw_word_t *valp, int *is_register) { unw_word_t operand1 = 0, operand2 = 0, tmp1, tmp2 = 0, tmp3, end_addr; uint8_t opcode, operands_signature, u8; unw_addr_space_t as; unw_accessors_t *a; void *arg; unw_word_t stack[MAX_EXPR_STACK_SIZE]; unsigned int tos = 0; uint16_t u16; uint32_t u32; uint64_t u64; int ret; # define pop() \ ({ \ if ((tos - 1) >= MAX_EXPR_STACK_SIZE) \ { \ Debug (1, "Stack underflow\n"); \ return -UNW_EINVAL; \ } \ stack[--tos]; \ }) # define push(x) \ do { \ unw_word_t _x = (x); \ if (tos >= MAX_EXPR_STACK_SIZE) \ { \ Debug (1, "Stack overflow\n"); \ return -UNW_EINVAL; \ } \ stack[tos++] = _x; \ } while (0) # define pick(n) \ ({ \ unsigned int _index = tos - 1 - (n); \ if (_index >= MAX_EXPR_STACK_SIZE) \ { \ Debug (1, "Out-of-stack pick\n"); \ return -UNW_EINVAL; \ } \ stack[_index]; \ }) as = c->as; arg = c->as_arg; a = unw_get_accessors_int (as); end_addr = *addr + len; *is_register = 0; Debug (14, "len=%lu, pushing cfa=0x%lx\n", (unsigned long) len, (unsigned long) c->cfa); push (c->cfa); /* push current CFA as required by DWARF spec */ while (*addr < end_addr) { if ((ret = dwarf_readu8 (as, a, addr, &opcode, arg)) < 0) return ret; operands_signature = operands[opcode]; if (unlikely (NUM_OPERANDS (operands_signature) > 0)) { if ((ret = read_operand (as, a, addr, OPND1_TYPE (operands_signature), &operand1, arg)) < 0) return ret; if (NUM_OPERANDS (operands_signature) > 1) if ((ret = read_operand (as, a, addr, OPND2_TYPE (operands_signature), &operand2, arg)) < 0) return ret; } switch ((dwarf_expr_op_t) opcode) { case DW_OP_lit0: case DW_OP_lit1: case DW_OP_lit2: case DW_OP_lit3: case DW_OP_lit4: case DW_OP_lit5: case DW_OP_lit6: case DW_OP_lit7: case DW_OP_lit8: case DW_OP_lit9: case DW_OP_lit10: case DW_OP_lit11: case DW_OP_lit12: case DW_OP_lit13: case DW_OP_lit14: case DW_OP_lit15: case DW_OP_lit16: case DW_OP_lit17: case DW_OP_lit18: case DW_OP_lit19: case DW_OP_lit20: case DW_OP_lit21: case DW_OP_lit22: case DW_OP_lit23: case DW_OP_lit24: case DW_OP_lit25: case DW_OP_lit26: case DW_OP_lit27: case DW_OP_lit28: case DW_OP_lit29: case DW_OP_lit30: case DW_OP_lit31: Debug (15, "OP_lit(%d)\n", (int) opcode - DW_OP_lit0); push (opcode - DW_OP_lit0); break; case DW_OP_breg0: case DW_OP_breg1: case DW_OP_breg2: case DW_OP_breg3: case DW_OP_breg4: case DW_OP_breg5: case DW_OP_breg6: case DW_OP_breg7: case DW_OP_breg8: case DW_OP_breg9: case DW_OP_breg10: case DW_OP_breg11: case DW_OP_breg12: case DW_OP_breg13: case DW_OP_breg14: case DW_OP_breg15: case DW_OP_breg16: case DW_OP_breg17: case DW_OP_breg18: case DW_OP_breg19: case DW_OP_breg20: case DW_OP_breg21: case DW_OP_breg22: case DW_OP_breg23: case DW_OP_breg24: case DW_OP_breg25: case DW_OP_breg26: case DW_OP_breg27: case DW_OP_breg28: case DW_OP_breg29: case DW_OP_breg30: case DW_OP_breg31: Debug (15, "OP_breg(r%d,0x%lx)\n", (int) opcode - DW_OP_breg0, (unsigned long) operand1); if ((ret = unw_get_reg (dwarf_to_cursor (c), dwarf_to_unw_regnum (opcode - DW_OP_breg0), &tmp1)) < 0) return ret; push (tmp1 + operand1); break; case DW_OP_bregx: Debug (15, "OP_bregx(r%d,0x%lx)\n", (int) operand1, (unsigned long) operand2); if ((ret = unw_get_reg (dwarf_to_cursor (c), dwarf_to_unw_regnum (operand1), &tmp1)) < 0) return ret; push (tmp1 + operand2); break; case DW_OP_reg0: case DW_OP_reg1: case DW_OP_reg2: case DW_OP_reg3: case DW_OP_reg4: case DW_OP_reg5: case DW_OP_reg6: case DW_OP_reg7: case DW_OP_reg8: case DW_OP_reg9: case DW_OP_reg10: case DW_OP_reg11: case DW_OP_reg12: case DW_OP_reg13: case DW_OP_reg14: case DW_OP_reg15: case DW_OP_reg16: case DW_OP_reg17: case DW_OP_reg18: case DW_OP_reg19: case DW_OP_reg20: case DW_OP_reg21: case DW_OP_reg22: case DW_OP_reg23: case DW_OP_reg24: case DW_OP_reg25: case DW_OP_reg26: case DW_OP_reg27: case DW_OP_reg28: case DW_OP_reg29: case DW_OP_reg30: case DW_OP_reg31: Debug (15, "OP_reg(r%d)\n", (int) opcode - DW_OP_reg0); *valp = dwarf_to_unw_regnum (opcode - DW_OP_reg0); *is_register = 1; return 0; case DW_OP_regx: Debug (15, "OP_regx(r%d)\n", (int) operand1); *valp = dwarf_to_unw_regnum (operand1); *is_register = 1; return 0; case DW_OP_addr: case DW_OP_const1u: case DW_OP_const2u: case DW_OP_const4u: case DW_OP_const8u: case DW_OP_constu: case DW_OP_const8s: case DW_OP_consts: Debug (15, "OP_const(0x%lx)\n", (unsigned long) operand1); push (operand1); break; case DW_OP_const1s: if (operand1 & 0x80) operand1 |= ((unw_word_t) -1) << 8; Debug (15, "OP_const1s(%ld)\n", (long) operand1); push (operand1); break; case DW_OP_const2s: if (operand1 & 0x8000) operand1 |= ((unw_word_t) -1) << 16; Debug (15, "OP_const2s(%ld)\n", (long) operand1); push (operand1); break; case DW_OP_const4s: if (operand1 & 0x80000000) operand1 |= (((unw_word_t) -1) << 16) << 16; Debug (15, "OP_const4s(%ld)\n", (long) operand1); push (operand1); break; case DW_OP_deref: Debug (15, "OP_deref\n"); tmp1 = pop (); if ((ret = dwarf_readw (as, a, &tmp1, &tmp2, arg)) < 0) return ret; push (tmp2); break; case DW_OP_deref_size: Debug (15, "OP_deref_size(%d)\n", (int) operand1); tmp1 = pop (); switch (operand1) { default: Debug (1, "Unexpected DW_OP_deref_size size %d\n", (int) operand1); return -UNW_EINVAL; case 1: if ((ret = dwarf_readu8 (as, a, &tmp1, &u8, arg)) < 0) return ret; tmp2 = u8; break; case 2: if ((ret = dwarf_readu16 (as, a, &tmp1, &u16, arg)) < 0) return ret; tmp2 = u16; break; case 3: case 4: if ((ret = dwarf_readu32 (as, a, &tmp1, &u32, arg)) < 0) return ret; tmp2 = u32; if (operand1 == 3) { if (dwarf_is_big_endian (as)) tmp2 >>= 8; else tmp2 &= 0xffffff; } break; case 5: case 6: case 7: case 8: if ((ret = dwarf_readu64 (as, a, &tmp1, &u64, arg)) < 0) return ret; tmp2 = u64; if (operand1 != 8) { if (dwarf_is_big_endian (as)) tmp2 >>= 64 - 8 * operand1; else tmp2 &= (~ (unw_word_t) 0) << (8 * operand1); } break; } push (tmp2); break; case DW_OP_dup: Debug (15, "OP_dup\n"); push (pick (0)); break; case DW_OP_drop: Debug (15, "OP_drop\n"); (void) pop (); break; case DW_OP_pick: Debug (15, "OP_pick(%d)\n", (int) operand1); push (pick (operand1)); break; case DW_OP_over: Debug (15, "OP_over\n"); push (pick (1)); break; case DW_OP_swap: Debug (15, "OP_swap\n"); tmp1 = pop (); tmp2 = pop (); push (tmp1); push (tmp2); break; case DW_OP_rot: Debug (15, "OP_rot\n"); tmp1 = pop (); tmp2 = pop (); tmp3 = pop (); push (tmp1); push (tmp3); push (tmp2); break; case DW_OP_abs: Debug (15, "OP_abs\n"); tmp1 = pop (); if (tmp1 & ((unw_word_t) 1 << (8 * dwarf_addr_size (as) - 1))) tmp1 = -tmp1; push (tmp1); break; case DW_OP_and: Debug (15, "OP_and\n"); tmp1 = pop (); tmp2 = pop (); push (tmp1 & tmp2); break; case DW_OP_div: Debug (15, "OP_div\n"); tmp1 = pop (); tmp2 = pop (); if (tmp1) tmp1 = sword (as, tmp2) / sword (as, tmp1); push (tmp1); break; case DW_OP_minus: Debug (15, "OP_minus\n"); tmp1 = pop (); tmp2 = pop (); tmp1 = tmp2 - tmp1; push (tmp1); break; case DW_OP_mod: Debug (15, "OP_mod\n"); tmp1 = pop (); tmp2 = pop (); if (tmp1) tmp1 = tmp2 % tmp1; push (tmp1); break; case DW_OP_mul: Debug (15, "OP_mul\n"); tmp1 = pop (); tmp2 = pop (); if (tmp1) tmp1 = tmp2 * tmp1; push (tmp1); break; case DW_OP_neg: Debug (15, "OP_neg\n"); push (-pop ()); break; case DW_OP_not: Debug (15, "OP_not\n"); push (~pop ()); break; case DW_OP_or: Debug (15, "OP_or\n"); tmp1 = pop (); tmp2 = pop (); push (tmp1 | tmp2); break; case DW_OP_plus: Debug (15, "OP_plus\n"); tmp1 = pop (); tmp2 = pop (); push (tmp1 + tmp2); break; case DW_OP_plus_uconst: Debug (15, "OP_plus_uconst(%lu)\n", (unsigned long) operand1); tmp1 = pop (); push (tmp1 + operand1); break; case DW_OP_shl: Debug (15, "OP_shl\n"); tmp1 = pop (); tmp2 = pop (); push (tmp2 << tmp1); break; case DW_OP_shr: Debug (15, "OP_shr\n"); tmp1 = pop (); tmp2 = pop (); push (tmp2 >> tmp1); break; case DW_OP_shra: Debug (15, "OP_shra\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) >> tmp1); break; case DW_OP_xor: Debug (15, "OP_xor\n"); tmp1 = pop (); tmp2 = pop (); push (tmp1 ^ tmp2); break; case DW_OP_le: Debug (15, "OP_le\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) <= sword (as, tmp1)); break; case DW_OP_ge: Debug (15, "OP_ge\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) >= sword (as, tmp1)); break; case DW_OP_eq: Debug (15, "OP_eq\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) == sword (as, tmp1)); break; case DW_OP_lt: Debug (15, "OP_lt\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) < sword (as, tmp1)); break; case DW_OP_gt: Debug (15, "OP_gt\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) > sword (as, tmp1)); break; case DW_OP_ne: Debug (15, "OP_ne\n"); tmp1 = pop (); tmp2 = pop (); push (sword (as, tmp2) != sword (as, tmp1)); break; case DW_OP_skip: Debug (15, "OP_skip(%d)\n", (int16_t) operand1); *addr += (int16_t) operand1; break; case DW_OP_bra: Debug (15, "OP_skip(%d)\n", (int16_t) operand1); tmp1 = pop (); if (tmp1) *addr += (int16_t) operand1; break; case DW_OP_nop: Debug (15, "OP_nop\n"); break; case DW_OP_call2: case DW_OP_call4: case DW_OP_call_ref: case DW_OP_fbreg: case DW_OP_piece: case DW_OP_push_object_address: case DW_OP_xderef: case DW_OP_xderef_size: default: Debug (1, "Unexpected opcode 0x%x\n", opcode); return -UNW_EINVAL; } } *valp = pop (); Debug (14, "final value = 0x%lx\n", (unsigned long) *valp); return 0; } libunwind-1.3.2/src/dwarf/Lparser.c0000644000175000017500000000020313406556425014104 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gparser.c" #endif libunwind-1.3.2/src/dwarf/Lexpr.c0000644000175000017500000000020113406556425013564 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gexpr.c" #endif libunwind-1.3.2/src/dwarf/Gfind_unwind_table.c0000644000175000017500000001747513406755365016305 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include "libunwind_i.h" #include "dwarf-eh.h" #include "dwarf_i.h" #define to_unw_word(p) ((unw_word_t) (uintptr_t) (p)) int dwarf_find_unwind_table (struct elf_dyn_info *edi, unw_addr_space_t as, char *path, unw_word_t segbase, unw_word_t mapoff, unw_word_t ip) { Elf_W(Phdr) *phdr, *ptxt = NULL, *peh_hdr = NULL, *pdyn = NULL; unw_word_t addr, eh_frame_start, fde_count, load_base; unw_word_t max_load_addr = 0; unw_word_t start_ip = to_unw_word (-1); unw_word_t end_ip = 0; struct dwarf_eh_frame_hdr *hdr; unw_proc_info_t pi; unw_accessors_t *a; Elf_W(Ehdr) *ehdr; #if UNW_TARGET_ARM const Elf_W(Phdr) *parm_exidx = NULL; #endif int i, ret, found = 0; /* XXX: Much of this code is Linux/LSB-specific. */ if (!elf_w(valid_object) (&edi->ei)) return -UNW_ENOINFO; ehdr = edi->ei.image; phdr = (Elf_W(Phdr) *) ((char *) edi->ei.image + ehdr->e_phoff); for (i = 0; i < ehdr->e_phnum; ++i) { switch (phdr[i].p_type) { case PT_LOAD: if (phdr[i].p_vaddr < start_ip) start_ip = phdr[i].p_vaddr; if (phdr[i].p_vaddr + phdr[i].p_memsz > end_ip) end_ip = phdr[i].p_vaddr + phdr[i].p_memsz; if (phdr[i].p_offset == mapoff) ptxt = phdr + i; if ((uintptr_t) edi->ei.image + phdr->p_filesz > max_load_addr) max_load_addr = (uintptr_t) edi->ei.image + phdr->p_filesz; break; case PT_GNU_EH_FRAME: peh_hdr = phdr + i; break; case PT_DYNAMIC: pdyn = phdr + i; break; #if UNW_TARGET_ARM case PT_ARM_EXIDX: parm_exidx = phdr + i; break; #endif default: break; } } if (!ptxt) return 0; load_base = segbase - ptxt->p_vaddr; start_ip += load_base; end_ip += load_base; if (peh_hdr) { if (pdyn) { /* For dynamicly linked executables and shared libraries, DT_PLTGOT is the value that data-relative addresses are relative to for that object. We call this the "gp". */ Elf_W(Dyn) *dyn = (Elf_W(Dyn) *)(pdyn->p_offset + (char *) edi->ei.image); for (; dyn->d_tag != DT_NULL; ++dyn) if (dyn->d_tag == DT_PLTGOT) { /* Assume that _DYNAMIC is writable and GLIBC has relocated it (true for x86 at least). */ edi->di_cache.gp = dyn->d_un.d_ptr; break; } } else /* Otherwise this is a static executable with no _DYNAMIC. Assume that data-relative addresses are relative to 0, i.e., absolute. */ edi->di_cache.gp = 0; hdr = (struct dwarf_eh_frame_hdr *) (peh_hdr->p_offset + (char *) edi->ei.image); if (hdr->version != DW_EH_VERSION) { Debug (1, "table `%s' has unexpected version %d\n", path, hdr->version); return -UNW_ENOINFO; } a = unw_get_accessors_int (unw_local_addr_space); addr = to_unw_word (&hdr->eh_frame); /* Fill in a dummy proc_info structure. We just need to fill in enough to ensure that dwarf_read_encoded_pointer() can do it's job. Since we don't have a procedure-context at this point, all we have to do is fill in the global-pointer. */ memset (&pi, 0, sizeof (pi)); pi.gp = edi->di_cache.gp; /* (Optionally) read eh_frame_ptr: */ if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a, &addr, hdr->eh_frame_ptr_enc, &pi, &eh_frame_start, NULL)) < 0) return -UNW_ENOINFO; /* (Optionally) read fde_count: */ if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a, &addr, hdr->fde_count_enc, &pi, &fde_count, NULL)) < 0) return -UNW_ENOINFO; if (hdr->table_enc != (DW_EH_PE_datarel | DW_EH_PE_sdata4)) { #if 1 abort (); #else unw_word_t eh_frame_end; /* If there is no search table or it has an unsupported encoding, fall back on linear search. */ if (hdr->table_enc == DW_EH_PE_omit) Debug (4, "EH lacks search table; doing linear search\n"); else Debug (4, "EH table has encoding 0x%x; doing linear search\n", hdr->table_enc); eh_frame_end = max_load_addr; /* XXX can we do better? */ if (hdr->fde_count_enc == DW_EH_PE_omit) fde_count = ~0UL; if (hdr->eh_frame_ptr_enc == DW_EH_PE_omit) abort (); return linear_search (unw_local_addr_space, ip, eh_frame_start, eh_frame_end, fde_count, pi, need_unwind_info, NULL); #endif } edi->di_cache.start_ip = start_ip; edi->di_cache.end_ip = end_ip; edi->di_cache.format = UNW_INFO_FORMAT_REMOTE_TABLE; edi->di_cache.u.rti.name_ptr = 0; /* two 32-bit values (ip_offset/fde_offset) per table-entry: */ edi->di_cache.u.rti.table_len = (fde_count * 8) / sizeof (unw_word_t); edi->di_cache.u.rti.table_data = ((load_base + peh_hdr->p_vaddr) + (addr - to_unw_word (edi->ei.image) - peh_hdr->p_offset)); /* For the binary-search table in the eh_frame_hdr, data-relative means relative to the start of that section... */ edi->di_cache.u.rti.segbase = ((load_base + peh_hdr->p_vaddr) + (to_unw_word (hdr) - to_unw_word (edi->ei.image) - peh_hdr->p_offset)); found = 1; } #if UNW_TARGET_ARM if (parm_exidx) { edi->di_arm.format = UNW_INFO_FORMAT_ARM_EXIDX; edi->di_arm.start_ip = start_ip; edi->di_arm.end_ip = end_ip; edi->di_arm.u.rti.name_ptr = to_unw_word (path); edi->di_arm.u.rti.table_data = load_base + parm_exidx->p_vaddr; edi->di_arm.u.rti.table_len = parm_exidx->p_memsz; found = 1; } #endif #ifdef CONFIG_DEBUG_FRAME /* Try .debug_frame. */ found = dwarf_find_debug_frame (found, &edi->di_debug, ip, load_base, path, start_ip, end_ip); #endif return found; } libunwind-1.3.2/src/dwarf/Gparser.c0000644000175000017500000007747613640667603014132 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dwarf_i.h" #include "libunwind_i.h" #include #include #define alloc_reg_state() (mempool_alloc (&dwarf_reg_state_pool)) #define free_reg_state(rs) (mempool_free (&dwarf_reg_state_pool, rs)) #define DWARF_UNW_CACHE_SIZE(log_size) (1 << log_size) #define DWARF_UNW_HASH_SIZE(log_size) (1 << (log_size + 1)) static inline int read_regnum (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *valp, void *arg) { int ret; if ((ret = dwarf_read_uleb128 (as, a, addr, valp, arg)) < 0) return ret; if (*valp >= DWARF_NUM_PRESERVED_REGS) { Debug (1, "Invalid register number %u\n", (unsigned int) *valp); return -UNW_EBADREG; } return 0; } static inline void set_reg (dwarf_state_record_t *sr, unw_word_t regnum, dwarf_where_t where, unw_word_t val) { sr->rs_current.reg.where[regnum] = where; sr->rs_current.reg.val[regnum] = val; } static inline int push_rstate_stack(dwarf_stackable_reg_state_t **rs_stack) { dwarf_stackable_reg_state_t *old_rs = *rs_stack; if (NULL == (*rs_stack = alloc_reg_state ())) { *rs_stack = old_rs; return -1; } (*rs_stack)->next = old_rs; return 0; } static inline void pop_rstate_stack(dwarf_stackable_reg_state_t **rs_stack) { dwarf_stackable_reg_state_t *old_rs = *rs_stack; *rs_stack = old_rs->next; free_reg_state (old_rs); } static inline void empty_rstate_stack(dwarf_stackable_reg_state_t **rs_stack) { while (*rs_stack) pop_rstate_stack(rs_stack); } /* Run a CFI program to update the register state. */ static int run_cfi_program (struct dwarf_cursor *c, dwarf_state_record_t *sr, unw_word_t *ip, unw_word_t end_ip, unw_word_t *addr, unw_word_t end_addr, dwarf_stackable_reg_state_t **rs_stack, struct dwarf_cie_info *dci) { unw_addr_space_t as; void *arg; if (c->pi.flags & UNW_PI_FLAG_DEBUG_FRAME) { /* .debug_frame CFI is stored in local address space. */ as = unw_local_addr_space; arg = NULL; } else { as = c->as; arg = c->as_arg; } unw_accessors_t *a = unw_get_accessors_int (as); int ret = 0; while (*ip <= end_ip && *addr < end_addr && ret >= 0) { unw_word_t operand = 0, regnum, val, len; uint8_t u8, op; uint16_t u16; uint32_t u32; if ((ret = dwarf_readu8 (as, a, addr, &op, arg)) < 0) break; if (op & DWARF_CFA_OPCODE_MASK) { operand = op & DWARF_CFA_OPERAND_MASK; op &= ~DWARF_CFA_OPERAND_MASK; } switch ((dwarf_cfa_t) op) { case DW_CFA_advance_loc: *ip += operand * dci->code_align; Debug (15, "CFA_advance_loc to 0x%lx\n", (long) *ip); break; case DW_CFA_advance_loc1: if ((ret = dwarf_readu8 (as, a, addr, &u8, arg)) < 0) break; *ip += u8 * dci->code_align; Debug (15, "CFA_advance_loc1 to 0x%lx\n", (long) *ip); break; case DW_CFA_advance_loc2: if ((ret = dwarf_readu16 (as, a, addr, &u16, arg)) < 0) break; *ip += u16 * dci->code_align; Debug (15, "CFA_advance_loc2 to 0x%lx\n", (long) *ip); break; case DW_CFA_advance_loc4: if ((ret = dwarf_readu32 (as, a, addr, &u32, arg)) < 0) break; *ip += u32 * dci->code_align; Debug (15, "CFA_advance_loc4 to 0x%lx\n", (long) *ip); break; case DW_CFA_MIPS_advance_loc8: #ifdef UNW_TARGET_MIPS { uint64_t u64 = 0; if ((ret = dwarf_readu64 (as, a, addr, &u64, arg)) < 0) break; *ip += u64 * dci->code_align; Debug (15, "CFA_MIPS_advance_loc8\n"); break; } #else Debug (1, "DW_CFA_MIPS_advance_loc8 on non-MIPS target\n"); ret = -UNW_EINVAL; break; #endif case DW_CFA_offset: regnum = operand; if (regnum >= DWARF_NUM_PRESERVED_REGS) { Debug (1, "Invalid register number %u in DW_cfa_OFFSET\n", (unsigned int) regnum); ret = -UNW_EBADREG; break; } if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) break; set_reg (sr, regnum, DWARF_WHERE_CFAREL, val * dci->data_align); Debug (15, "CFA_offset r%lu at cfa+0x%lx\n", (long) regnum, (long) (val * dci->data_align)); break; case DW_CFA_offset_extended: if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, regnum, DWARF_WHERE_CFAREL, val * dci->data_align); Debug (15, "CFA_offset_extended r%lu at cf+0x%lx\n", (long) regnum, (long) (val * dci->data_align)); break; case DW_CFA_offset_extended_sf: if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_sleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, regnum, DWARF_WHERE_CFAREL, val * dci->data_align); Debug (15, "CFA_offset_extended_sf r%lu at cf+0x%lx\n", (long) regnum, (long) (val * dci->data_align)); break; case DW_CFA_restore: regnum = operand; if (regnum >= DWARF_NUM_PRESERVED_REGS) { Debug (1, "Invalid register number %u in DW_CFA_restore\n", (unsigned int) regnum); ret = -UNW_EINVAL; break; } sr->rs_current.reg.where[regnum] = sr->rs_initial.reg.where[regnum]; sr->rs_current.reg.val[regnum] = sr->rs_initial.reg.val[regnum]; Debug (15, "CFA_restore r%lu\n", (long) regnum); break; case DW_CFA_restore_extended: if ((ret = dwarf_read_uleb128 (as, a, addr, ®num, arg)) < 0) break; if (regnum >= DWARF_NUM_PRESERVED_REGS) { Debug (1, "Invalid register number %u in " "DW_CFA_restore_extended\n", (unsigned int) regnum); ret = -UNW_EINVAL; break; } sr->rs_current.reg.where[regnum] = sr->rs_initial.reg.where[regnum]; sr->rs_current.reg.val[regnum] = sr->rs_initial.reg.val[regnum]; Debug (15, "CFA_restore_extended r%lu\n", (long) regnum); break; case DW_CFA_nop: break; case DW_CFA_set_loc: if ((ret = dwarf_read_encoded_pointer (as, a, addr, dci->fde_encoding, &c->pi, ip, arg)) < 0) break; Debug (15, "CFA_set_loc to 0x%lx\n", (long) *ip); break; case DW_CFA_undefined: if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) break; set_reg (sr, regnum, DWARF_WHERE_UNDEF, 0); Debug (15, "CFA_undefined r%lu\n", (long) regnum); break; case DW_CFA_same_value: if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) break; set_reg (sr, regnum, DWARF_WHERE_SAME, 0); Debug (15, "CFA_same_value r%lu\n", (long) regnum); break; case DW_CFA_register: if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, regnum, DWARF_WHERE_REG, val); Debug (15, "CFA_register r%lu to r%lu\n", (long) regnum, (long) val); break; case DW_CFA_remember_state: if (push_rstate_stack(rs_stack) < 0) { Debug (1, "Out of memory in DW_CFA_remember_state\n"); ret = -UNW_ENOMEM; break; } (*rs_stack)->state = sr->rs_current; Debug (15, "CFA_remember_state\n"); break; case DW_CFA_restore_state: if (!*rs_stack) { Debug (1, "register-state stack underflow\n"); ret = -UNW_EINVAL; break; } sr->rs_current = (*rs_stack)->state; pop_rstate_stack(rs_stack); Debug (15, "CFA_restore_state\n"); break; case DW_CFA_def_cfa: if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, DWARF_CFA_REG_COLUMN, DWARF_WHERE_REG, regnum); set_reg (sr, DWARF_CFA_OFF_COLUMN, 0, val); /* NOT factored! */ Debug (15, "CFA_def_cfa r%lu+0x%lx\n", (long) regnum, (long) val); break; case DW_CFA_def_cfa_sf: if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_sleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, DWARF_CFA_REG_COLUMN, DWARF_WHERE_REG, regnum); set_reg (sr, DWARF_CFA_OFF_COLUMN, 0, val * dci->data_align); /* factored! */ Debug (15, "CFA_def_cfa_sf r%lu+0x%lx\n", (long) regnum, (long) (val * dci->data_align)); break; case DW_CFA_def_cfa_register: if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) break; set_reg (sr, DWARF_CFA_REG_COLUMN, DWARF_WHERE_REG, regnum); Debug (15, "CFA_def_cfa_register r%lu\n", (long) regnum); break; case DW_CFA_def_cfa_offset: if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) break; set_reg (sr, DWARF_CFA_OFF_COLUMN, 0, val); /* NOT factored! */ Debug (15, "CFA_def_cfa_offset 0x%lx\n", (long) val); break; case DW_CFA_def_cfa_offset_sf: if ((ret = dwarf_read_sleb128 (as, a, addr, &val, arg)) < 0) break; set_reg (sr, DWARF_CFA_OFF_COLUMN, 0, val * dci->data_align); /* factored! */ Debug (15, "CFA_def_cfa_offset_sf 0x%lx\n", (long) (val * dci->data_align)); break; case DW_CFA_def_cfa_expression: /* Save the address of the DW_FORM_block for later evaluation. */ set_reg (sr, DWARF_CFA_REG_COLUMN, DWARF_WHERE_EXPR, *addr); if ((ret = dwarf_read_uleb128 (as, a, addr, &len, arg)) < 0) break; Debug (15, "CFA_def_cfa_expr @ 0x%lx [%lu bytes]\n", (long) *addr, (long) len); *addr += len; break; case DW_CFA_expression: if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) break; /* Save the address of the DW_FORM_block for later evaluation. */ set_reg (sr, regnum, DWARF_WHERE_EXPR, *addr); if ((ret = dwarf_read_uleb128 (as, a, addr, &len, arg)) < 0) break; Debug (15, "CFA_expression r%lu @ 0x%lx [%lu bytes]\n", (long) regnum, (long) addr, (long) len); *addr += len; break; case DW_CFA_val_expression: if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) break; /* Save the address of the DW_FORM_block for later evaluation. */ set_reg (sr, regnum, DWARF_WHERE_VAL_EXPR, *addr); if ((ret = dwarf_read_uleb128 (as, a, addr, &len, arg)) < 0) break; Debug (15, "CFA_val_expression r%lu @ 0x%lx [%lu bytes]\n", (long) regnum, (long) addr, (long) len); *addr += len; break; case DW_CFA_GNU_args_size: if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) break; sr->args_size = val; Debug (15, "CFA_GNU_args_size %lu\n", (long) val); break; case DW_CFA_GNU_negative_offset_extended: /* A comment in GCC says that this is obsoleted by DW_CFA_offset_extended_sf, but that it's used by older PowerPC code. */ if (((ret = read_regnum (as, a, addr, ®num, arg)) < 0) || ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0)) break; set_reg (sr, regnum, DWARF_WHERE_CFAREL, -(val * dci->data_align)); Debug (15, "CFA_GNU_negative_offset_extended cfa+0x%lx\n", (long) -(val * dci->data_align)); break; case DW_CFA_GNU_window_save: #ifdef UNW_TARGET_SPARC /* This is a special CFA to handle all 16 windowed registers on SPARC. */ for (regnum = 16; regnum < 32; ++regnum) set_reg (sr, regnum, DWARF_WHERE_CFAREL, (regnum - 16) * sizeof (unw_word_t)); Debug (15, "CFA_GNU_window_save\n"); break; #else /* FALL THROUGH */ #endif case DW_CFA_lo_user: case DW_CFA_hi_user: Debug (1, "Unexpected CFA opcode 0x%x\n", op); ret = -UNW_EINVAL; break; } } if (ret > 0) ret = 0; return ret; } static int fetch_proc_info (struct dwarf_cursor *c, unw_word_t ip) { int ret, dynamic = 1; /* The 'ip' can point either to the previous or next instruction depending on what type of frame we have: normal call or a place to resume execution (e.g. after signal frame). For a normal call frame we need to back up so we point within the call itself; this is important because a) the call might be the very last instruction of the function and the edge of the FDE, and b) so that run_cfi_program() runs locations up to the call but not more. For signal frame, we need to do the exact opposite and look up using the current 'ip' value. That is where execution will continue, and it's important we get this right, as 'ip' could be right at the function entry and hence FDE edge, or at instruction that manipulates CFA (push/pop). */ if (c->use_prev_instr) --ip; memset (&c->pi, 0, sizeof (c->pi)); /* check dynamic info first --- it overrides everything else */ ret = unwi_find_dynamic_proc_info (c->as, ip, &c->pi, 1, c->as_arg); if (ret == -UNW_ENOINFO) { dynamic = 0; if ((ret = tdep_find_proc_info (c, ip, 1)) < 0) return ret; } if (c->pi.format != UNW_INFO_FORMAT_DYNAMIC && c->pi.format != UNW_INFO_FORMAT_TABLE && c->pi.format != UNW_INFO_FORMAT_REMOTE_TABLE) return -UNW_ENOINFO; c->pi_valid = 1; c->pi_is_dynamic = dynamic; /* Let system/machine-dependent code determine frame-specific attributes. */ if (ret >= 0) tdep_fetch_frame (c, ip, 1); return ret; } static int parse_dynamic (struct dwarf_cursor *c, unw_word_t ip, dwarf_state_record_t *sr) { Debug (1, "Not yet implemented\n"); return -UNW_ENOINFO; } static inline void put_unwind_info (struct dwarf_cursor *c, unw_proc_info_t *pi) { if (c->pi_is_dynamic) unwi_put_dynamic_unwind_info (c->as, pi, c->as_arg); else if (pi->unwind_info && pi->format == UNW_INFO_FORMAT_TABLE) { mempool_free (&dwarf_cie_info_pool, pi->unwind_info); pi->unwind_info = NULL; } c->pi_valid = 0; } static inline int setup_fde (struct dwarf_cursor *c, dwarf_state_record_t *sr) { int i, ret; assert (c->pi_valid); memset (sr, 0, sizeof (*sr)); for (i = 0; i < DWARF_NUM_PRESERVED_REGS + 2; ++i) set_reg (sr, i, DWARF_WHERE_SAME, 0); struct dwarf_cie_info *dci = c->pi.unwind_info; sr->rs_current.ret_addr_column = dci->ret_addr_column; unw_word_t addr = dci->cie_instr_start; unw_word_t curr_ip = 0; dwarf_stackable_reg_state_t *rs_stack = NULL; ret = run_cfi_program (c, sr, &curr_ip, ~(unw_word_t) 0, &addr, dci->cie_instr_end, &rs_stack, dci); empty_rstate_stack(&rs_stack); if (ret < 0) return ret; memcpy (&sr->rs_initial, &sr->rs_current, sizeof (sr->rs_initial)); return 0; } static inline int parse_fde (struct dwarf_cursor *c, unw_word_t ip, dwarf_state_record_t *sr) { int ret; struct dwarf_cie_info *dci = c->pi.unwind_info; unw_word_t addr = dci->fde_instr_start; unw_word_t curr_ip = c->pi.start_ip; dwarf_stackable_reg_state_t *rs_stack = NULL; /* Process up to current `ip` for signal frame and `ip - 1` for normal call frame See `c->use_prev_instr` use in `fetch_proc_info` for details. */ ret = run_cfi_program (c, sr, &curr_ip, ip - c->use_prev_instr, &addr, dci->fde_instr_end, &rs_stack, dci); empty_rstate_stack(&rs_stack); if (ret < 0) return ret; return 0; } HIDDEN int dwarf_flush_rs_cache (struct dwarf_rs_cache *cache) { int i; if (cache->log_size == DWARF_DEFAULT_LOG_UNW_CACHE_SIZE || !cache->hash) { cache->hash = cache->default_hash; cache->buckets = cache->default_buckets; cache->links = cache->default_links; cache->log_size = DWARF_DEFAULT_LOG_UNW_CACHE_SIZE; } else { if (cache->hash && cache->hash != cache->default_hash) munmap(cache->hash, DWARF_UNW_HASH_SIZE(cache->prev_log_size) * sizeof (cache->hash[0])); if (cache->buckets && cache->buckets != cache->default_buckets) munmap(cache->buckets, DWARF_UNW_CACHE_SIZE(cache->prev_log_size) * sizeof (cache->buckets[0])); if (cache->links && cache->links != cache->default_links) munmap(cache->links, DWARF_UNW_CACHE_SIZE(cache->prev_log_size) * sizeof (cache->links[0])); GET_MEMORY(cache->hash, DWARF_UNW_HASH_SIZE(cache->log_size) * sizeof (cache->hash[0])); GET_MEMORY(cache->buckets, DWARF_UNW_CACHE_SIZE(cache->log_size) * sizeof (cache->buckets[0])); GET_MEMORY(cache->links, DWARF_UNW_CACHE_SIZE(cache->log_size) * sizeof (cache->links[0])); if (!cache->hash || !cache->buckets || !cache->links) { Debug (1, "Unable to allocate cache memory"); return -UNW_ENOMEM; } cache->prev_log_size = cache->log_size; } cache->rr_head = 0; for (i = 0; i < DWARF_UNW_CACHE_SIZE(cache->log_size); ++i) { cache->links[i].coll_chain = -1; cache->links[i].ip = 0; cache->links[i].valid = 0; } for (i = 0; i< DWARF_UNW_HASH_SIZE(cache->log_size); ++i) cache->hash[i] = -1; return 0; } static inline struct dwarf_rs_cache * get_rs_cache (unw_addr_space_t as, intrmask_t *saved_maskp) { struct dwarf_rs_cache *cache = &as->global_cache; unw_caching_policy_t caching = as->caching_policy; if (caching == UNW_CACHE_NONE) return NULL; #if defined(HAVE___THREAD) && HAVE___THREAD if (likely (caching == UNW_CACHE_PER_THREAD)) { static __thread struct dwarf_rs_cache tls_cache __attribute__((tls_model("initial-exec"))); Debug (16, "using TLS cache\n"); cache = &tls_cache; } else #else if (likely (caching == UNW_CACHE_GLOBAL)) #endif { Debug (16, "acquiring lock\n"); lock_acquire (&cache->lock, *saved_maskp); } if ((atomic_read (&as->cache_generation) != atomic_read (&cache->generation)) || !cache->hash) { /* cache_size is only set in the global_cache, copy it over before flushing */ cache->log_size = as->global_cache.log_size; if (dwarf_flush_rs_cache (cache) < 0) return NULL; cache->generation = as->cache_generation; } return cache; } static inline void put_rs_cache (unw_addr_space_t as, struct dwarf_rs_cache *cache, intrmask_t *saved_maskp) { assert (as->caching_policy != UNW_CACHE_NONE); Debug (16, "unmasking signals/interrupts and releasing lock\n"); if (likely (as->caching_policy == UNW_CACHE_GLOBAL)) lock_release (&cache->lock, *saved_maskp); } static inline unw_hash_index_t CONST_ATTR hash (unw_word_t ip, unsigned short log_size) { /* based on (sqrt(5)/2-1)*2^64 */ # define magic ((unw_word_t) 0x9e3779b97f4a7c16ULL) return ip * magic >> ((sizeof(unw_word_t) * 8) - (log_size + 1)); } static inline long cache_match (struct dwarf_rs_cache *cache, unsigned short index, unw_word_t ip) { return (cache->links[index].valid && (ip == cache->links[index].ip)); } static dwarf_reg_state_t * rs_lookup (struct dwarf_rs_cache *cache, struct dwarf_cursor *c) { unsigned short index; unw_word_t ip = c->ip; if (c->hint > 0) { index = c->hint - 1; if (cache_match (cache, index, ip)) return &cache->buckets[index]; } for (index = cache->hash[hash (ip, cache->log_size)]; index < DWARF_UNW_CACHE_SIZE(cache->log_size); index = cache->links[index].coll_chain) { if (cache_match (cache, index, ip)) return &cache->buckets[index]; } return NULL; } static inline dwarf_reg_state_t * rs_new (struct dwarf_rs_cache *cache, struct dwarf_cursor * c) { unw_hash_index_t index; unsigned short head; head = cache->rr_head; cache->rr_head = (head + 1) & (DWARF_UNW_CACHE_SIZE(cache->log_size) - 1); /* remove the old rs from the hash table (if it's there): */ if (cache->links[head].ip) { unsigned short *pindex; for (pindex = &cache->hash[hash (cache->links[head].ip, cache->log_size)]; *pindex < DWARF_UNW_CACHE_SIZE(cache->log_size); pindex = &cache->links[*pindex].coll_chain) { if (*pindex == head) { *pindex = cache->links[*pindex].coll_chain; break; } } } /* enter new rs in the hash table */ index = hash (c->ip, cache->log_size); cache->links[head].coll_chain = cache->hash[index]; cache->hash[index] = head; cache->links[head].ip = c->ip; cache->links[head].valid = 1; cache->links[head].signal_frame = tdep_cache_frame(c); return cache->buckets + head; } static int create_state_record_for (struct dwarf_cursor *c, dwarf_state_record_t *sr, unw_word_t ip) { int ret; switch (c->pi.format) { case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: if ((ret = setup_fde(c, sr)) < 0) return ret; ret = parse_fde (c, ip, sr); break; case UNW_INFO_FORMAT_DYNAMIC: ret = parse_dynamic (c, ip, sr); break; default: Debug (1, "Unexpected unwind-info format %d\n", c->pi.format); ret = -UNW_EINVAL; } return ret; } static inline int eval_location_expr (struct dwarf_cursor *c, unw_addr_space_t as, unw_accessors_t *a, unw_word_t addr, dwarf_loc_t *locp, void *arg) { int ret, is_register; unw_word_t len, val; /* read the length of the expression: */ if ((ret = dwarf_read_uleb128 (as, a, &addr, &len, arg)) < 0) return ret; /* evaluate the expression: */ if ((ret = dwarf_eval_expr (c, &addr, len, &val, &is_register)) < 0) return ret; if (is_register) *locp = DWARF_REG_LOC (c, dwarf_to_unw_regnum (val)); else *locp = DWARF_MEM_LOC (c, val); return 0; } static int apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs) { unw_word_t regnum, addr, cfa, ip; unw_word_t prev_ip, prev_cfa; unw_addr_space_t as; dwarf_loc_t cfa_loc; unw_accessors_t *a; int i, ret; void *arg; prev_ip = c->ip; prev_cfa = c->cfa; as = c->as; arg = c->as_arg; a = unw_get_accessors_int (as); /* Evaluate the CFA first, because it may be referred to by other expressions. */ if (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_REG) { /* CFA is equal to [reg] + offset: */ /* As a special-case, if the stack-pointer is the CFA and the stack-pointer wasn't saved, popping the CFA implicitly pops the stack-pointer as well. */ if ((rs->reg.val[DWARF_CFA_REG_COLUMN] == UNW_TDEP_SP) && (UNW_TDEP_SP < ARRAY_SIZE(rs->reg.val)) && (rs->reg.where[UNW_TDEP_SP] == DWARF_WHERE_SAME)) cfa = c->cfa; else { regnum = dwarf_to_unw_regnum (rs->reg.val[DWARF_CFA_REG_COLUMN]); if ((ret = unw_get_reg ((unw_cursor_t *) c, regnum, &cfa)) < 0) return ret; } cfa += rs->reg.val[DWARF_CFA_OFF_COLUMN]; } else { /* CFA is equal to EXPR: */ assert (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_EXPR); addr = rs->reg.val[DWARF_CFA_REG_COLUMN]; if ((ret = eval_location_expr (c, as, a, addr, &cfa_loc, arg)) < 0) return ret; /* the returned location better be a memory location... */ if (DWARF_IS_REG_LOC (cfa_loc)) return -UNW_EBADFRAME; cfa = DWARF_GET_LOC (cfa_loc); } dwarf_loc_t new_loc[DWARF_NUM_PRESERVED_REGS]; memcpy(new_loc, c->loc, sizeof(new_loc)); for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) { switch ((dwarf_where_t) rs->reg.where[i]) { case DWARF_WHERE_UNDEF: new_loc[i] = DWARF_NULL_LOC; break; case DWARF_WHERE_SAME: break; case DWARF_WHERE_CFAREL: new_loc[i] = DWARF_MEM_LOC (c, cfa + rs->reg.val[i]); break; case DWARF_WHERE_REG: new_loc[i] = DWARF_REG_LOC (c, dwarf_to_unw_regnum (rs->reg.val[i])); break; case DWARF_WHERE_EXPR: addr = rs->reg.val[i]; if ((ret = eval_location_expr (c, as, a, addr, new_loc + i, arg)) < 0) return ret; break; case DWARF_WHERE_VAL_EXPR: addr = rs->reg.val[i]; if ((ret = eval_location_expr (c, as, a, addr, new_loc + i, arg)) < 0) return ret; new_loc[i] = DWARF_VAL_LOC (c, DWARF_GET_LOC (new_loc[i])); break; } } memcpy(c->loc, new_loc, sizeof(new_loc)); c->cfa = cfa; /* DWARF spec says undefined return address location means end of stack. */ if (DWARF_IS_NULL_LOC (c->loc[rs->ret_addr_column])) { c->ip = 0; ret = 0; } else { ret = dwarf_get (c, c->loc[rs->ret_addr_column], &ip); if (ret < 0) return ret; c->ip = ip; ret = 1; } /* XXX: check for ip to be code_aligned */ if (c->ip == prev_ip && c->cfa == prev_cfa) { Dprintf ("%s: ip and cfa unchanged; stopping here (ip=0x%lx)\n", __FUNCTION__, (long) c->ip); return -UNW_EBADFRAME; } if (c->stash_frames) tdep_stash_frame (c, rs); return ret; } /* Find the saved locations. */ static int find_reg_state (struct dwarf_cursor *c, dwarf_state_record_t *sr) { dwarf_reg_state_t *rs; struct dwarf_rs_cache *cache; int ret = 0; intrmask_t saved_mask; if ((cache = get_rs_cache(c->as, &saved_mask)) && (rs = rs_lookup(cache, c))) { /* update hint; no locking needed: single-word writes are atomic */ unsigned short index = rs - cache->buckets; c->use_prev_instr = ! cache->links[index].signal_frame; memcpy (&sr->rs_current, rs, sizeof (*rs)); } else { ret = fetch_proc_info (c, c->ip); int next_use_prev_instr = c->use_prev_instr; if (ret >= 0) { /* Update use_prev_instr for the next frame. */ assert(c->pi.unwind_info); struct dwarf_cie_info *dci = c->pi.unwind_info; next_use_prev_instr = ! dci->signal_frame; ret = create_state_record_for (c, sr, c->ip); } put_unwind_info (c, &c->pi); c->use_prev_instr = next_use_prev_instr; if (cache && ret >= 0) { rs = rs_new (cache, c); cache->links[rs - cache->buckets].hint = 0; memcpy(rs, &sr->rs_current, sizeof(*rs)); } } unsigned short index = -1; if (cache) { put_rs_cache (c->as, cache, &saved_mask); if (rs) { index = rs - cache->buckets; c->hint = cache->links[index].hint; cache->links[c->prev_rs].hint = index + 1; c->prev_rs = index; } } if (ret < 0) return ret; if (cache) tdep_reuse_frame (c, cache->links[index].signal_frame); return 0; } /* The function finds the saved locations and applies the register state as well. */ HIDDEN int dwarf_step (struct dwarf_cursor *c) { int ret; dwarf_state_record_t sr; if ((ret = find_reg_state (c, &sr)) < 0) return ret; return apply_reg_state (c, &sr.rs_current); } HIDDEN int dwarf_make_proc_info (struct dwarf_cursor *c) { #if 0 if (c->as->caching_policy == UNW_CACHE_NONE || get_cached_proc_info (c) < 0) #endif /* Need to check if current frame contains args_size, and set cursor appropriately. Only needed for unw_resume */ dwarf_state_record_t sr; int ret; /* Lookup it up the slow way... */ ret = fetch_proc_info (c, c->ip); if (ret >= 0) ret = create_state_record_for (c, &sr, c->ip); put_unwind_info (c, &c->pi); if (ret < 0) return ret; c->args_size = sr.args_size; return 0; } static int dwarf_reg_states_dynamic_iterate(struct dwarf_cursor *c, unw_reg_states_callback cb, void *token) { Debug (1, "Not yet implemented\n"); return -UNW_ENOINFO; } static int dwarf_reg_states_table_iterate(struct dwarf_cursor *c, unw_reg_states_callback cb, void *token) { dwarf_state_record_t sr; int ret = setup_fde(c, &sr); struct dwarf_cie_info *dci = c->pi.unwind_info; unw_word_t addr = dci->fde_instr_start; unw_word_t curr_ip = c->pi.start_ip; dwarf_stackable_reg_state_t *rs_stack = NULL; while (ret >= 0 && curr_ip < c->pi.end_ip && addr < dci->fde_instr_end) { unw_word_t prev_ip = curr_ip; ret = run_cfi_program (c, &sr, &curr_ip, prev_ip, &addr, dci->fde_instr_end, &rs_stack, dci); if (ret >= 0 && prev_ip < curr_ip) ret = cb(token, &sr.rs_current, sizeof(sr.rs_current), prev_ip, curr_ip); } empty_rstate_stack(&rs_stack); #if defined(NEED_LAST_IP) if (ret >= 0 && curr_ip < c->pi.last_ip) /* report the dead zone after the procedure ends */ ret = cb(token, &sr.rs_current, sizeof(sr.rs_current), curr_ip, c->pi.last_ip); #else if (ret >= 0 && curr_ip < c->pi.end_ip) /* report for whatever is left before procedure end */ ret = cb(token, &sr.rs_current, sizeof(sr.rs_current), curr_ip, c->pi.end_ip); #endif return ret; } HIDDEN int dwarf_reg_states_iterate(struct dwarf_cursor *c, unw_reg_states_callback cb, void *token) { int ret = fetch_proc_info (c, c->ip); int next_use_prev_instr = c->use_prev_instr; if (ret >= 0) { /* Update use_prev_instr for the next frame. */ assert(c->pi.unwind_info); struct dwarf_cie_info *dci = c->pi.unwind_info; next_use_prev_instr = ! dci->signal_frame; switch (c->pi.format) { case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: ret = dwarf_reg_states_table_iterate(c, cb, token); break; case UNW_INFO_FORMAT_DYNAMIC: ret = dwarf_reg_states_dynamic_iterate (c, cb, token); break; default: Debug (1, "Unexpected unwind-info format %d\n", c->pi.format); ret = -UNW_EINVAL; } } put_unwind_info (c, &c->pi); c->use_prev_instr = next_use_prev_instr; return ret; } HIDDEN int dwarf_apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs) { return apply_reg_state(c, rs); } libunwind-1.3.2/src/dwarf/Lpe.c0000644000175000017500000000017713406556425013226 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gpe.c" #endif libunwind-1.3.2/src/dwarf/Lfind_proc_info-lsb.c0000644000175000017500000000021713406556425016351 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gfind_proc_info-lsb.c" #endif libunwind-1.3.2/src/dwarf/Gfind_proc_info-lsb.c0000644000175000017500000007002113640667603016345 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Locate an FDE via the ELF data-structures defined by LSB v1.3 (http://www.linuxbase.org/spec/). */ #include #include #include #include "dwarf_i.h" #include "dwarf-eh.h" #include "libunwind_i.h" struct table_entry { int32_t start_ip_offset; int32_t fde_offset; }; #ifndef UNW_REMOTE_ONLY #ifdef __linux #include "os-linux.h" #endif #ifndef __clang__ static ALIAS(dwarf_search_unwind_table) int dwarf_search_unwind_table_int (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); #else #define dwarf_search_unwind_table_int dwarf_search_unwind_table #endif static int linear_search (unw_addr_space_t as, unw_word_t ip, unw_word_t eh_frame_start, unw_word_t eh_frame_end, unw_word_t fde_count, unw_proc_info_t *pi, int need_unwind_info, void *arg) { unw_accessors_t *a = unw_get_accessors_int (unw_local_addr_space); unw_word_t i = 0, fde_addr, addr = eh_frame_start; int ret; while (i++ < fde_count && addr < eh_frame_end) { fde_addr = addr; if ((ret = dwarf_extract_proc_info_from_fde (as, a, &addr, pi, eh_frame_start, 0, 0, arg)) < 0) return ret; if (ip >= pi->start_ip && ip < pi->end_ip) { if (!need_unwind_info) return 1; addr = fde_addr; if ((ret = dwarf_extract_proc_info_from_fde (as, a, &addr, pi, eh_frame_start, need_unwind_info, 0, arg)) < 0) return ret; return 1; } } return -UNW_ENOINFO; } #endif /* !UNW_REMOTE_ONLY */ #ifdef CONFIG_DEBUG_FRAME /* Load .debug_frame section from FILE. Allocates and returns space in *BUF, and sets *BUFSIZE to its size. IS_LOCAL is 1 if using the local process, in which case we can search the system debug file directory; 0 for other address spaces, in which case we do not. Returns 0 on success, 1 on error. Succeeds even if the file contains no .debug_frame. */ /* XXX: Could use mmap; but elf_map_image keeps tons mapped in. */ static int load_debug_frame (const char *file, char **buf, size_t *bufsize, int is_local) { struct elf_image ei; Elf_W (Shdr) *shdr; int ret; ei.image = NULL; ret = elf_w (load_debuglink) (file, &ei, is_local); if (ret != 0) return ret; shdr = elf_w (find_section) (&ei, ".debug_frame"); if (!shdr || (shdr->sh_offset + shdr->sh_size > ei.size)) { munmap(ei.image, ei.size); return 1; } *bufsize = shdr->sh_size; *buf = malloc (*bufsize); memcpy(*buf, shdr->sh_offset + ei.image, *bufsize); Debug (4, "read %zd bytes of .debug_frame from offset %zd\n", *bufsize, shdr->sh_offset); munmap(ei.image, ei.size); return 0; } /* Locate the binary which originated the contents of address ADDR. Return the name of the binary in *name (space is allocated by the caller) Returns 0 if a binary is successfully found, or 1 if an error occurs. */ static int find_binary_for_address (unw_word_t ip, char *name, size_t name_size) { #if defined(__linux) && (!UNW_REMOTE_ONLY) struct map_iterator mi; int found = 0; int pid = getpid (); unsigned long segbase, mapoff, hi; if (maps_init (&mi, pid) != 0) return 1; while (maps_next (&mi, &segbase, &hi, &mapoff)) if (ip >= segbase && ip < hi) { size_t len = strlen (mi.path); if (len + 1 <= name_size) { memcpy (name, mi.path, len + 1); found = 1; } break; } maps_close (&mi); return !found; #endif return 1; } /* Locate and/or try to load a debug_frame section for address ADDR. Return pointer to debug frame descriptor, or zero if not found. */ static struct unw_debug_frame_list * locate_debug_info (unw_addr_space_t as, unw_word_t addr, const char *dlname, unw_word_t start, unw_word_t end) { struct unw_debug_frame_list *w, *fdesc = 0; char path[PATH_MAX]; char *name = path; int err; char *buf; size_t bufsize; /* First, see if we loaded this frame already. */ for (w = as->debug_frames; w; w = w->next) { Debug (4, "checking %p: %lx-%lx\n", w, (long)w->start, (long)w->end); if (addr >= w->start && addr < w->end) return w; } /* If the object name we receive is blank, there's still a chance of locating the file by parsing /proc/self/maps. */ if (strcmp (dlname, "") == 0) { err = find_binary_for_address (addr, name, sizeof(path)); if (err) { Debug (15, "tried to locate binary for 0x%" PRIx64 ", but no luck\n", (uint64_t) addr); return 0; } } else name = (char*) dlname; err = load_debug_frame (name, &buf, &bufsize, as == unw_local_addr_space); if (!err) { fdesc = malloc (sizeof (struct unw_debug_frame_list)); fdesc->start = start; fdesc->end = end; fdesc->debug_frame = buf; fdesc->debug_frame_size = bufsize; fdesc->index = NULL; fdesc->next = as->debug_frames; as->debug_frames = fdesc; } return fdesc; } struct debug_frame_tab { struct table_entry *tab; uint32_t length; uint32_t size; }; static void debug_frame_tab_append (struct debug_frame_tab *tab, unw_word_t fde_offset, unw_word_t start_ip) { unsigned int length = tab->length; if (length == tab->size) { tab->size *= 2; tab->tab = realloc (tab->tab, sizeof (struct table_entry) * tab->size); } tab->tab[length].fde_offset = fde_offset; tab->tab[length].start_ip_offset = start_ip; tab->length = length + 1; } static void debug_frame_tab_shrink (struct debug_frame_tab *tab) { if (tab->size > tab->length) { tab->tab = realloc (tab->tab, sizeof (struct table_entry) * tab->length); tab->size = tab->length; } } static int debug_frame_tab_compare (const void *a, const void *b) { const struct table_entry *fa = a, *fb = b; if (fa->start_ip_offset > fb->start_ip_offset) return 1; else if (fa->start_ip_offset < fb->start_ip_offset) return -1; else return 0; } int dwarf_find_debug_frame (int found, unw_dyn_info_t *di_debug, unw_word_t ip, unw_word_t segbase, const char* obj_name, unw_word_t start, unw_word_t end) { unw_dyn_info_t *di; struct unw_debug_frame_list *fdesc = 0; unw_accessors_t *a; unw_word_t addr; Debug (15, "Trying to find .debug_frame for %s\n", obj_name); di = di_debug; fdesc = locate_debug_info (unw_local_addr_space, ip, obj_name, start, end); if (!fdesc) { Debug (15, "couldn't load .debug_frame\n"); return found; } else { char *buf; size_t bufsize; unw_word_t item_start, item_end = 0; uint32_t u32val = 0; uint64_t cie_id = 0; struct debug_frame_tab tab; Debug (15, "loaded .debug_frame\n"); buf = fdesc->debug_frame; bufsize = fdesc->debug_frame_size; if (bufsize == 0) { Debug (15, "zero-length .debug_frame\n"); return found; } /* Now create a binary-search table, if it does not already exist. */ if (!fdesc->index) { addr = (unw_word_t) (uintptr_t) buf; a = unw_get_accessors_int (unw_local_addr_space); /* Find all FDE entries in debug_frame, and make into a sorted index. */ tab.length = 0; tab.size = 16; tab.tab = calloc (tab.size, sizeof (struct table_entry)); while (addr < (unw_word_t) (uintptr_t) (buf + bufsize)) { uint64_t id_for_cie; item_start = addr; dwarf_readu32 (unw_local_addr_space, a, &addr, &u32val, NULL); if (u32val == 0) break; else if (u32val != 0xffffffff) { uint32_t cie_id32 = 0; item_end = addr + u32val; dwarf_readu32 (unw_local_addr_space, a, &addr, &cie_id32, NULL); cie_id = cie_id32; id_for_cie = 0xffffffff; } else { uint64_t u64val = 0; /* Extended length. */ dwarf_readu64 (unw_local_addr_space, a, &addr, &u64val, NULL); item_end = addr + u64val; dwarf_readu64 (unw_local_addr_space, a, &addr, &cie_id, NULL); id_for_cie = 0xffffffffffffffffull; } /*Debug (1, "CIE/FDE id = %.8x\n", (int) cie_id);*/ if (cie_id == id_for_cie) ; /*Debug (1, "Found CIE at %.8x.\n", item_start);*/ else { unw_word_t fde_addr = item_start; unw_proc_info_t this_pi; int err; /*Debug (1, "Found FDE at %.8x\n", item_start);*/ err = dwarf_extract_proc_info_from_fde (unw_local_addr_space, a, &fde_addr, &this_pi, (uintptr_t) buf, 0, 1, NULL); if (err == 0) { Debug (15, "start_ip = %lx, end_ip = %lx\n", (long) this_pi.start_ip, (long) this_pi.end_ip); debug_frame_tab_append (&tab, item_start - (unw_word_t) (uintptr_t) buf, this_pi.start_ip); } /*else Debug (1, "FDE parse failed\n");*/ } addr = item_end; } debug_frame_tab_shrink (&tab); qsort (tab.tab, tab.length, sizeof (struct table_entry), debug_frame_tab_compare); /* for (i = 0; i < tab.length; i++) { fprintf (stderr, "ip %x, fde offset %x\n", (int) tab.tab[i].start_ip_offset, (int) tab.tab[i].fde_offset); }*/ fdesc->index = tab.tab; fdesc->index_size = tab.length; } di->format = UNW_INFO_FORMAT_TABLE; di->start_ip = fdesc->start; di->end_ip = fdesc->end; di->u.ti.name_ptr = (unw_word_t) (uintptr_t) obj_name; di->u.ti.table_data = (unw_word_t *) fdesc; di->u.ti.table_len = sizeof (*fdesc) / sizeof (unw_word_t); di->u.ti.segbase = segbase; found = 1; Debug (15, "found debug_frame table `%s': segbase=0x%lx, len=%lu, " "gp=0x%lx, table_data=0x%lx\n", (char *) (uintptr_t) di->u.ti.name_ptr, (long) di->u.ti.segbase, (long) di->u.ti.table_len, (long) di->gp, (long) di->u.ti.table_data); } return found; } #endif /* CONFIG_DEBUG_FRAME */ #ifndef UNW_REMOTE_ONLY static Elf_W (Addr) dwarf_find_eh_frame_section(struct dl_phdr_info *info) { int rc; struct elf_image ei; Elf_W (Addr) eh_frame = 0; Elf_W (Shdr)* shdr; const char *file = info->dlpi_name; char exepath[PATH_MAX]; if (strlen(file) == 0) { tdep_get_exe_image_path(exepath); file = exepath; } Debug (1, "looking for .eh_frame section in %s\n", file); rc = elf_map_image (&ei, file); if (rc != 0) return 0; shdr = elf_w (find_section) (&ei, ".eh_frame"); if (!shdr) goto out; eh_frame = shdr->sh_addr + info->dlpi_addr; Debug (4, "found .eh_frame at address %lx\n", eh_frame); out: munmap (ei.image, ei.size); return eh_frame; } struct dwarf_callback_data { /* in: */ unw_word_t ip; /* instruction-pointer we're looking for */ unw_proc_info_t *pi; /* proc-info pointer */ int need_unwind_info; /* out: */ int single_fde; /* did we find a single FDE? (vs. a table) */ unw_dyn_info_t di; /* table info (if single_fde is false) */ unw_dyn_info_t di_debug; /* additional table info for .debug_frame */ }; /* ptr is a pointer to a dwarf_callback_data structure and, on entry, member ip contains the instruction-pointer we're looking for. */ HIDDEN int dwarf_callback (struct dl_phdr_info *info, size_t size, void *ptr) { struct dwarf_callback_data *cb_data = ptr; unw_dyn_info_t *di = &cb_data->di; const Elf_W(Phdr) *phdr, *p_eh_hdr, *p_dynamic, *p_text; unw_word_t addr, eh_frame_start, eh_frame_end, fde_count, ip; Elf_W(Addr) load_base, max_load_addr = 0; int ret, need_unwind_info = cb_data->need_unwind_info; unw_proc_info_t *pi = cb_data->pi; struct dwarf_eh_frame_hdr *hdr = NULL; unw_accessors_t *a; long n; int found = 0; struct dwarf_eh_frame_hdr synth_eh_frame_hdr; #ifdef CONFIG_DEBUG_FRAME unw_word_t start, end; #endif /* CONFIG_DEBUG_FRAME*/ ip = cb_data->ip; /* Make sure struct dl_phdr_info is at least as big as we need. */ if (size < offsetof (struct dl_phdr_info, dlpi_phnum) + sizeof (info->dlpi_phnum)) return -1; Debug (15, "checking %s, base=0x%lx)\n", info->dlpi_name, (long) info->dlpi_addr); phdr = info->dlpi_phdr; load_base = info->dlpi_addr; p_text = NULL; p_eh_hdr = NULL; p_dynamic = NULL; /* See if PC falls into one of the loaded segments. Find the eh-header segment at the same time. */ for (n = info->dlpi_phnum; --n >= 0; phdr++) { if (phdr->p_type == PT_LOAD) { Elf_W(Addr) vaddr = phdr->p_vaddr + load_base; if (ip >= vaddr && ip < vaddr + phdr->p_memsz) p_text = phdr; if (vaddr + phdr->p_filesz > max_load_addr) max_load_addr = vaddr + phdr->p_filesz; } else if (phdr->p_type == PT_GNU_EH_FRAME) p_eh_hdr = phdr; else if (phdr->p_type == PT_DYNAMIC) p_dynamic = phdr; } if (!p_text) return 0; if (p_eh_hdr) { hdr = (struct dwarf_eh_frame_hdr *) (p_eh_hdr->p_vaddr + load_base); } else { Elf_W (Addr) eh_frame; Debug (1, "no .eh_frame_hdr section found\n"); eh_frame = dwarf_find_eh_frame_section (info); if (eh_frame) { Debug (1, "using synthetic .eh_frame_hdr section for %s\n", info->dlpi_name); synth_eh_frame_hdr.version = DW_EH_VERSION; synth_eh_frame_hdr.eh_frame_ptr_enc = DW_EH_PE_absptr | ((sizeof(Elf_W (Addr)) == 4) ? DW_EH_PE_udata4 : DW_EH_PE_udata8); synth_eh_frame_hdr.fde_count_enc = DW_EH_PE_omit; synth_eh_frame_hdr.table_enc = DW_EH_PE_omit; synth_eh_frame_hdr.eh_frame = eh_frame; hdr = &synth_eh_frame_hdr; } } if (hdr) { if (p_dynamic) { /* For dynamicly linked executables and shared libraries, DT_PLTGOT is the value that data-relative addresses are relative to for that object. We call this the "gp". */ Elf_W(Dyn) *dyn = (Elf_W(Dyn) *)(p_dynamic->p_vaddr + load_base); for (; dyn->d_tag != DT_NULL; ++dyn) if (dyn->d_tag == DT_PLTGOT) { /* Assume that _DYNAMIC is writable and GLIBC has relocated it (true for x86 at least). */ di->gp = dyn->d_un.d_ptr; break; } } else /* Otherwise this is a static executable with no _DYNAMIC. Assume that data-relative addresses are relative to 0, i.e., absolute. */ di->gp = 0; pi->gp = di->gp; if (hdr->version != DW_EH_VERSION) { Debug (1, "table `%s' has unexpected version %d\n", info->dlpi_name, hdr->version); return 0; } a = unw_get_accessors_int (unw_local_addr_space); addr = (unw_word_t) (uintptr_t) (&hdr->eh_frame); /* (Optionally) read eh_frame_ptr: */ if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a, &addr, hdr->eh_frame_ptr_enc, pi, &eh_frame_start, NULL)) < 0) return ret; /* (Optionally) read fde_count: */ if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a, &addr, hdr->fde_count_enc, pi, &fde_count, NULL)) < 0) return ret; if (hdr->table_enc != (DW_EH_PE_datarel | DW_EH_PE_sdata4)) { /* If there is no search table or it has an unsupported encoding, fall back on linear search. */ if (hdr->table_enc == DW_EH_PE_omit) Debug (4, "table `%s' lacks search table; doing linear search\n", info->dlpi_name); else Debug (4, "table `%s' has encoding 0x%x; doing linear search\n", info->dlpi_name, hdr->table_enc); eh_frame_end = max_load_addr; /* XXX can we do better? */ if (hdr->fde_count_enc == DW_EH_PE_omit) fde_count = ~0UL; if (hdr->eh_frame_ptr_enc == DW_EH_PE_omit) abort (); Debug (1, "eh_frame_start = %lx eh_frame_end = %lx\n", eh_frame_start, eh_frame_end); /* XXX we know how to build a local binary search table for .debug_frame, so we could do that here too. */ found = linear_search (unw_local_addr_space, ip, eh_frame_start, eh_frame_end, fde_count, pi, need_unwind_info, NULL); if (found != 1) found = 0; else cb_data->single_fde = 1; } else { di->format = UNW_INFO_FORMAT_REMOTE_TABLE; di->start_ip = p_text->p_vaddr + load_base; di->end_ip = p_text->p_vaddr + load_base + p_text->p_memsz; di->u.rti.name_ptr = (unw_word_t) (uintptr_t) info->dlpi_name; di->u.rti.table_data = addr; assert (sizeof (struct table_entry) % sizeof (unw_word_t) == 0); di->u.rti.table_len = (fde_count * sizeof (struct table_entry) / sizeof (unw_word_t)); /* For the binary-search table in the eh_frame_hdr, data-relative means relative to the start of that section... */ di->u.rti.segbase = (unw_word_t) (uintptr_t) hdr; found = 1; Debug (15, "found table `%s': segbase=0x%lx, len=%lu, gp=0x%lx, " "table_data=0x%lx\n", (char *) (uintptr_t) di->u.rti.name_ptr, (long) di->u.rti.segbase, (long) di->u.rti.table_len, (long) di->gp, (long) di->u.rti.table_data); } } #ifdef CONFIG_DEBUG_FRAME /* Find the start/end of the described region by parsing the phdr_info structure. */ start = (unw_word_t) -1; end = 0; for (n = 0; n < info->dlpi_phnum; n++) { if (info->dlpi_phdr[n].p_type == PT_LOAD) { unw_word_t seg_start = info->dlpi_addr + info->dlpi_phdr[n].p_vaddr; unw_word_t seg_end = seg_start + info->dlpi_phdr[n].p_memsz; if (seg_start < start) start = seg_start; if (seg_end > end) end = seg_end; } } found = dwarf_find_debug_frame (found, &cb_data->di_debug, ip, info->dlpi_addr, info->dlpi_name, start, end); #endif /* CONFIG_DEBUG_FRAME */ return found; } HIDDEN int dwarf_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { struct dwarf_callback_data cb_data; intrmask_t saved_mask; int ret; Debug (14, "looking for IP=0x%lx\n", (long) ip); memset (&cb_data, 0, sizeof (cb_data)); cb_data.ip = ip; cb_data.pi = pi; cb_data.need_unwind_info = need_unwind_info; cb_data.di.format = -1; cb_data.di_debug.format = -1; SIGPROCMASK (SIG_SETMASK, &unwi_full_mask, &saved_mask); ret = dl_iterate_phdr (dwarf_callback, &cb_data); SIGPROCMASK (SIG_SETMASK, &saved_mask, NULL); if (ret > 0) { if (cb_data.single_fde) /* already got the result in *pi */ return 0; /* search the table: */ if (cb_data.di.format != -1) ret = dwarf_search_unwind_table_int (as, ip, &cb_data.di, pi, need_unwind_info, arg); else ret = -UNW_ENOINFO; if (ret == -UNW_ENOINFO && cb_data.di_debug.format != -1) ret = dwarf_search_unwind_table_int (as, ip, &cb_data.di_debug, pi, need_unwind_info, arg); } else ret = -UNW_ENOINFO; return ret; } static inline const struct table_entry * lookup (const struct table_entry *table, size_t table_size, int32_t rel_ip) { unsigned long table_len = table_size / sizeof (struct table_entry); const struct table_entry *e = NULL; unsigned long lo, hi, mid; /* do a binary search for right entry: */ for (lo = 0, hi = table_len; lo < hi;) { mid = (lo + hi) / 2; e = table + mid; Debug (15, "e->start_ip_offset = %lx\n", (long) e->start_ip_offset); if (rel_ip < e->start_ip_offset) hi = mid; else lo = mid + 1; } if (hi <= 0) return NULL; e = table + hi - 1; return e; } #endif /* !UNW_REMOTE_ONLY */ #ifndef UNW_LOCAL_ONLY /* Lookup an unwind-table entry in remote memory. Returns 1 if an entry is found, 0 if no entry is found, negative if an error occurred reading remote memory. */ static int remote_lookup (unw_addr_space_t as, unw_word_t table, size_t table_size, int32_t rel_ip, struct table_entry *e, int32_t *last_ip_offset, void *arg) { unsigned long table_len = table_size / sizeof (struct table_entry); unw_accessors_t *a = unw_get_accessors_int (as); unsigned long lo, hi, mid; unw_word_t e_addr = 0; int32_t start = 0; int ret; /* do a binary search for right entry: */ for (lo = 0, hi = table_len; lo < hi;) { mid = (lo + hi) / 2; e_addr = table + mid * sizeof (struct table_entry); if ((ret = dwarf_reads32 (as, a, &e_addr, &start, arg)) < 0) return ret; if (rel_ip < start) hi = mid; else lo = mid + 1; } if (hi <= 0) return 0; e_addr = table + (hi - 1) * sizeof (struct table_entry); if ((ret = dwarf_reads32 (as, a, &e_addr, &e->start_ip_offset, arg)) < 0 || (ret = dwarf_reads32 (as, a, &e_addr, &e->fde_offset, arg)) < 0 || (hi < table_len && (ret = dwarf_reads32 (as, a, &e_addr, last_ip_offset, arg)) < 0)) return ret; return 1; } #endif /* !UNW_LOCAL_ONLY */ static int is_remote_table(int format) { return (format == UNW_INFO_FORMAT_REMOTE_TABLE || format == UNW_INFO_FORMAT_IP_OFFSET); } int dwarf_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg) { const struct table_entry *e = NULL, *table; unw_word_t ip_base = 0, segbase = 0, last_ip, fde_addr; unw_accessors_t *a; #ifndef UNW_LOCAL_ONLY struct table_entry ent; #endif int ret; unw_word_t debug_frame_base; size_t table_len; #ifdef UNW_REMOTE_ONLY assert (is_remote_table(di->format)); #else assert (is_remote_table(di->format) || di->format == UNW_INFO_FORMAT_TABLE); #endif assert (ip >= di->start_ip && ip < di->end_ip); if (is_remote_table(di->format)) { table = (const struct table_entry *) (uintptr_t) di->u.rti.table_data; table_len = di->u.rti.table_len * sizeof (unw_word_t); debug_frame_base = 0; } else { assert(di->format == UNW_INFO_FORMAT_TABLE); #ifndef UNW_REMOTE_ONLY struct unw_debug_frame_list *fdesc = (void *) di->u.ti.table_data; /* UNW_INFO_FORMAT_TABLE (i.e. .debug_frame) is read from local address space. Both the index and the unwind tables live in local memory, but the address space to check for properties like the address size and endianness is the target one. */ as = unw_local_addr_space; table = fdesc->index; table_len = fdesc->index_size * sizeof (struct table_entry); debug_frame_base = (uintptr_t) fdesc->debug_frame; #endif } a = unw_get_accessors_int (as); segbase = di->u.rti.segbase; if (di->format == UNW_INFO_FORMAT_IP_OFFSET) { ip_base = di->start_ip; } else { ip_base = segbase; } #ifndef UNW_REMOTE_ONLY if (as == unw_local_addr_space) { e = lookup (table, table_len, ip - ip_base); if (e && &e[1] < &table[table_len]) last_ip = e[1].start_ip_offset + ip_base; else last_ip = di->end_ip; } else #endif { #ifndef UNW_LOCAL_ONLY int32_t last_ip_offset = di->end_ip - ip_base; segbase = di->u.rti.segbase; if ((ret = remote_lookup (as, (uintptr_t) table, table_len, ip - ip_base, &ent, &last_ip_offset, arg)) < 0) return ret; if (ret) { e = &ent; last_ip = last_ip_offset + ip_base; } else e = NULL; /* no info found */ #endif } if (!e) { Debug (1, "IP %lx inside range %lx-%lx, but no explicit unwind info found\n", (long) ip, (long) di->start_ip, (long) di->end_ip); /* IP is inside this table's range, but there is no explicit unwind info. */ return -UNW_ENOINFO; } Debug (15, "ip=0x%lx, start_ip=0x%lx\n", (long) ip, (long) (e->start_ip_offset)); if (debug_frame_base) fde_addr = e->fde_offset + debug_frame_base; else fde_addr = e->fde_offset + segbase; Debug (1, "e->fde_offset = %lx, segbase = %lx, debug_frame_base = %lx, " "fde_addr = %lx\n", (long) e->fde_offset, (long) segbase, (long) debug_frame_base, (long) fde_addr); if ((ret = dwarf_extract_proc_info_from_fde (as, a, &fde_addr, pi, debug_frame_base ? debug_frame_base : segbase, need_unwind_info, debug_frame_base != 0, arg)) < 0) return ret; /* .debug_frame uses an absolute encoding that does not know about any shared library relocation. */ if (di->format == UNW_INFO_FORMAT_TABLE) { pi->start_ip += segbase; pi->end_ip += segbase; pi->flags = UNW_PI_FLAG_DEBUG_FRAME; } #if defined(NEED_LAST_IP) pi->last_ip = last_ip; #else (void)last_ip; #endif if (ip < pi->start_ip || ip >= pi->end_ip) return -UNW_ENOINFO; return 0; } HIDDEN void dwarf_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { return; /* always a nop */ } libunwind-1.3.2/src/dwarf/Lfind_unwind_table.c0000644000175000017500000000021613406556425016267 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gfind_unwind_table.c" #endif libunwind-1.3.2/src/dwarf/Lfde.c0000644000175000017500000000020013406556425013343 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gfde.c" #endif libunwind-1.3.2/src/dwarf/Gpe.c0000644000175000017500000000326013406556425013215 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dwarf_i.h" #include "libunwind_i.h" #include HIDDEN int dwarf_read_encoded_pointer (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unsigned char encoding, const unw_proc_info_t *pi, unw_word_t *valp, void *arg) { return dwarf_read_encoded_pointer_inlined (as, a, addr, encoding, pi, valp, arg); } libunwind-1.3.2/src/Makefile.in0000644000175000017500000077734313640673441013322 00000000000000# Makefile.in generated by automake 1.16.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2018 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ am__is_gnu_make = { \ if test -z '$(MAKELEVEL)'; then \ false; \ elif test -n '$(MAKE_HOST)'; then \ true; \ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ true; \ else \ false; \ fi; \ } am__make_running_with_option = \ case $${target_option-} in \ ?) ;; \ *) echo "am__make_running_with_option: internal error: invalid" \ "target option '$${target_option-}' specified" >&2; \ exit 1;; \ esac; \ has_opt=no; \ sane_makeflags=$$MAKEFLAGS; \ if $(am__is_gnu_make); then \ sane_makeflags=$$MFLAGS; \ else \ case $$MAKEFLAGS in \ *\\[\ \ ]*) \ bs=\\; \ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ esac; \ fi; \ skip_next=no; \ strip_trailopt () \ { \ flg=`printf '%s\n' "$$flg" | sed 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libunwind_la_SOURCES_os_linux = os-linux.c libunwind_la_SOURCES_os_hpux = os-hpux.c libunwind_la_SOURCES_os_freebsd = os-freebsd.c libunwind_la_SOURCES_os_qnx = os-qnx.c libunwind_dwarf_common_la_SOURCES = dwarf/global.c libunwind_dwarf_local_la_SOURCES = \ dwarf/Lexpr.c dwarf/Lfde.c dwarf/Lparser.c dwarf/Lpe.c \ dwarf/Lfind_proc_info-lsb.c \ dwarf/Lfind_unwind_table.c libunwind_dwarf_local_la_LIBADD = libunwind-dwarf-common.la libunwind_dwarf_generic_la_SOURCES = \ dwarf/Gexpr.c dwarf/Gfde.c dwarf/Gparser.c dwarf/Gpe.c \ dwarf/Gfind_proc_info-lsb.c \ dwarf/Gfind_unwind_table.c libunwind_dwarf_generic_la_LIBADD = libunwind-dwarf-common.la libunwind_elf32_la_SOURCES = elf32.c libunwind_elf64_la_SOURCES = elf64.c libunwind_elfxx_la_SOURCES = elfxx.c libunwind_elf32_la_LIBADD = $(LIBLZMA) libunwind_elf64_la_LIBADD = $(LIBLZMA) libunwind_elfxx_la_LIBADD = $(LIBLZMA) libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \ aarch64/is_fpreg.c aarch64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ $(libunwind_la_SOURCES_local) \ aarch64/Lapply_reg_state.c aarch64/Lreg_states_iterate.c \ aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \ aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \ aarch64/Linit_local.c aarch64/Linit_remote.c \ aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \ aarch64/Lstash_frame.c aarch64/Lstep.c aarch64/Ltrace.c \ aarch64/getcontext.S libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ $(libunwind_la_SOURCES_generic) \ aarch64/Gapply_reg_state.c aarch64/Greg_states_iterate.c \ aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \ aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \ aarch64/Ginit_local.c aarch64/Ginit_remote.c \ aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \ aarch64/Gstash_frame.c aarch64/Gstep.c aarch64/Gtrace.c libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ arm/is_fpreg.c arm/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_arm = $(libunwind_la_SOURCES_arm_common) \ $(libunwind_la_SOURCES_arm_os_local) \ $(libunwind_la_SOURCES_local) \ arm/getcontext.S \ arm/Lapply_reg_state.c arm/Lreg_states_iterate.c \ arm/Lcreate_addr_space.c arm/Lget_proc_info.c arm/Lget_save_loc.c \ arm/Lglobal.c arm/Linit.c arm/Linit_local.c arm/Linit_remote.c \ arm/Lregs.c arm/Lresume.c arm/Lstep.c \ arm/Lex_tables.c arm/Lstash_frame.c arm/Ltrace.c # The list of files that go into libunwind-arm: libunwind_arm_la_SOURCES_arm = $(libunwind_la_SOURCES_arm_common) \ $(libunwind_la_SOURCES_arm_os) \ $(libunwind_la_SOURCES_generic) \ arm/Gapply_reg_state.c arm/Greg_states_iterate.c \ arm/Gcreate_addr_space.c arm/Gget_proc_info.c arm/Gget_save_loc.c \ arm/Gglobal.c arm/Ginit.c arm/Ginit_local.c arm/Ginit_remote.c \ arm/Gregs.c arm/Gresume.c arm/Gstep.c \ arm/Gex_tables.c arm/Gstash_frame.c arm/Gtrace.c libunwind_la_SOURCES_ia64_common = $(libunwind_la_SOURCES_common) \ ia64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_ia64 = $(libunwind_la_SOURCES_ia64_common) \ $(libunwind_la_SOURCES_local) \ \ ia64/dyn_info_list.S ia64/getcontext.S \ \ ia64/Lapply_reg_state.c ia64/Lreg_states_iterate.c \ ia64/Lcreate_addr_space.c ia64/Lget_proc_info.c ia64/Lget_save_loc.c \ ia64/Lglobal.c ia64/Linit.c ia64/Linit_local.c ia64/Linit_remote.c \ ia64/Linstall_cursor.S ia64/Lis_signal_frame.c ia64/Lparser.c \ ia64/Lrbs.c ia64/Lregs.c ia64/Lresume.c ia64/Lscript.c ia64/Lstep.c \ ia64/Ltables.c ia64/Lfind_unwind_table.c # The list of files that go into libunwind-ia64: libunwind_ia64_la_SOURCES_ia64 = $(libunwind_la_SOURCES_ia64_common) \ $(libunwind_la_SOURCES_generic) \ ia64/Gapply_reg_state.c ia64/Greg_states_iterate.c \ ia64/Gcreate_addr_space.c ia64/Gget_proc_info.c ia64/Gget_save_loc.c \ ia64/Gglobal.c ia64/Ginit.c ia64/Ginit_local.c ia64/Ginit_remote.c \ ia64/Ginstall_cursor.S ia64/Gis_signal_frame.c ia64/Gparser.c \ ia64/Grbs.c ia64/Gregs.c ia64/Gresume.c ia64/Gscript.c ia64/Gstep.c \ ia64/Gtables.c ia64/Gfind_unwind_table.c libunwind_la_SOURCES_hppa_common = $(libunwind_la_SOURCES_common) \ hppa/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_hppa = $(libunwind_la_SOURCES_hppa_common) \ $(libunwind_la_SOURCES_local) \ hppa/getcontext.S hppa/setcontext.S \ hppa/Lapply_reg_state.c hppa/Lreg_states_iterate.c \ hppa/Lcreate_addr_space.c hppa/Lget_save_loc.c hppa/Lglobal.c \ hppa/Linit.c hppa/Linit_local.c hppa/Linit_remote.c \ hppa/Lis_signal_frame.c hppa/Lget_proc_info.c hppa/Lregs.c \ hppa/Lresume.c hppa/Lstep.c # The list of files that go into libunwind-hppa: libunwind_hppa_la_SOURCES_hppa = $(libunwind_la_SOURCES_hppa_common) \ $(libunwind_la_SOURCES_generic) \ hppa/Gapply_reg_state.c hppa/Greg_states_iterate.c \ hppa/Gcreate_addr_space.c hppa/Gget_save_loc.c hppa/Gglobal.c \ hppa/Ginit.c hppa/Ginit_local.c hppa/Ginit_remote.c \ hppa/Gis_signal_frame.c hppa/Gget_proc_info.c hppa/Gregs.c \ hppa/Gresume.c hppa/Gstep.c libunwind_la_SOURCES_mips_common = $(libunwind_la_SOURCES_common) \ mips/is_fpreg.c mips/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_mips = $(libunwind_la_SOURCES_mips_common) \ $(libunwind_la_SOURCES_local) \ mips/getcontext.S \ mips/Lapply_reg_state.c mips/Lreg_states_iterate.c \ mips/Lcreate_addr_space.c mips/Lget_proc_info.c mips/Lget_save_loc.c \ mips/Lglobal.c mips/Linit.c mips/Linit_local.c mips/Linit_remote.c \ mips/Lis_signal_frame.c mips/Lregs.c mips/Lresume.c mips/Lstep.c libunwind_mips_la_SOURCES_mips = $(libunwind_la_SOURCES_mips_common) \ $(libunwind_la_SOURCES_generic) \ mips/Gapply_reg_state.c mips/Greg_states_iterate.c \ mips/Gcreate_addr_space.c mips/Gget_proc_info.c mips/Gget_save_loc.c \ mips/Gglobal.c mips/Ginit.c mips/Ginit_local.c mips/Ginit_remote.c \ mips/Gis_signal_frame.c mips/Gregs.c mips/Gresume.c mips/Gstep.c libunwind_la_SOURCES_tilegx_common = $(libunwind_la_SOURCES_common) \ tilegx/is_fpreg.c tilegx/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_tilegx = $(libunwind_la_SOURCES_tilegx_common) \ $(libunwind_la_SOURCES_local) \ tilegx/getcontext.S \ tilegx/Lapply_reg_state.c tilegx/Lreg_states_iterate.c \ tilegx/Lcreate_addr_space.c tilegx/Lget_proc_info.c tilegx/Lget_save_loc.c \ tilegx/Lglobal.c tilegx/Linit.c tilegx/Linit_local.c tilegx/Linit_remote.c \ tilegx/Lis_signal_frame.c tilegx/Lregs.c tilegx/Lresume.c tilegx/Lstep.c libunwind_tilegx_la_SOURCES_tilegx = $(libunwind_la_SOURCES_tilegx_common) \ $(libunwind_la_SOURCES_generic) \ tilegx/Gapply_reg_state.c tilegx/Greg_states_iterate.c \ tilegx/Gcreate_addr_space.c tilegx/Gget_proc_info.c tilegx/Gget_save_loc.c \ tilegx/Gglobal.c tilegx/Ginit.c tilegx/Ginit_local.c tilegx/Ginit_remote.c \ tilegx/Gis_signal_frame.c tilegx/Gregs.c tilegx/Gresume.c tilegx/Gstep.c libunwind_la_SOURCES_x86_common = $(libunwind_la_SOURCES_common) \ x86/is_fpreg.c x86/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_x86 = $(libunwind_la_SOURCES_x86_common) \ $(libunwind_la_SOURCES_x86_os_local) \ $(libunwind_la_SOURCES_local) \ x86/Lapply_reg_state.c x86/Lreg_states_iterate.c \ x86/Lcreate_addr_space.c x86/Lget_save_loc.c x86/Lglobal.c \ x86/Linit.c x86/Linit_local.c x86/Linit_remote.c \ x86/Lget_proc_info.c x86/Lregs.c \ x86/Lresume.c x86/Lstep.c # The list of files that go into libunwind-x86: libunwind_x86_la_SOURCES_x86 = $(libunwind_la_SOURCES_x86_common) \ $(libunwind_la_SOURCES_x86_os) \ $(libunwind_la_SOURCES_generic) \ x86/Gapply_reg_state.c x86/Greg_states_iterate.c \ x86/Gcreate_addr_space.c x86/Gget_save_loc.c x86/Gglobal.c \ x86/Ginit.c x86/Ginit_local.c x86/Ginit_remote.c \ x86/Gget_proc_info.c x86/Gregs.c \ x86/Gresume.c x86/Gstep.c libunwind_la_SOURCES_x86_64_common = $(libunwind_la_SOURCES_common) \ x86_64/is_fpreg.c x86_64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_x86_64 = $(libunwind_la_SOURCES_x86_64_common) \ $(libunwind_la_SOURCES_x86_64_os_local) \ $(libunwind_la_SOURCES_local) \ x86_64/setcontext.S \ x86_64/Lapply_reg_state.c x86_64/Lreg_states_iterate.c \ x86_64/Lcreate_addr_space.c x86_64/Lget_save_loc.c x86_64/Lglobal.c \ x86_64/Linit.c x86_64/Linit_local.c x86_64/Linit_remote.c \ x86_64/Lget_proc_info.c x86_64/Lregs.c x86_64/Lresume.c \ x86_64/Lstash_frame.c x86_64/Lstep.c x86_64/Ltrace.c x86_64/getcontext.S # The list of files that go into libunwind-x86_64: libunwind_x86_64_la_SOURCES_x86_64 = $(libunwind_la_SOURCES_x86_64_common) \ $(libunwind_la_SOURCES_x86_64_os) \ $(libunwind_la_SOURCES_generic) \ x86_64/Gapply_reg_state.c x86_64/Greg_states_iterate.c \ x86_64/Gcreate_addr_space.c x86_64/Gget_save_loc.c x86_64/Gglobal.c \ x86_64/Ginit.c x86_64/Ginit_local.c x86_64/Ginit_remote.c \ x86_64/Gget_proc_info.c x86_64/Gregs.c x86_64/Gresume.c \ x86_64/Gstash_frame.c x86_64/Gstep.c x86_64/Gtrace.c # The list of local files that go to Power 64 and 32: libunwind_la_SOURCES_ppc = \ ppc/Lget_proc_info.c ppc/Lget_save_loc.c ppc/Linit_local.c \ ppc/Linit_remote.c ppc/Lis_signal_frame.c # The list of generic files that go to Power 64 and 32: libunwind_ppc_la_SOURCES_ppc_generic = \ ppc/Gget_proc_info.c ppc/Gget_save_loc.c ppc/Ginit_local.c \ ppc/Ginit_remote.c ppc/Gis_signal_frame.c libunwind_la_SOURCES_ppc32_common = $(libunwind_la_SOURCES_common) \ ppc32/is_fpreg.c ppc32/regname.c ppc32/get_func_addr.c # The list of files that go into libunwind: libunwind_la_SOURCES_ppc32 = $(libunwind_la_SOURCES_ppc32_common) \ $(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_ppc) \ ppc32/Lapply_reg_state.c ppc32/Lreg_states_iterate.c \ ppc32/Lcreate_addr_space.c \ ppc32/Lglobal.c ppc32/Linit.c \ ppc32/Lregs.c ppc32/Lresume.c ppc32/Lstep.c # The list of files that go into libunwind-ppc32: libunwind_ppc32_la_SOURCES_ppc32 = $(libunwind_la_SOURCES_ppc32_common) \ $(libunwind_la_SOURCES_generic) \ $(libunwind_ppc_la_SOURCES_ppc_generic) \ ppc32/Gapply_reg_state.c ppc32/Greg_states_iterate.c \ ppc32/Gcreate_addr_space.c \ ppc32/Gglobal.c ppc32/Ginit.c \ ppc32/Gregs.c ppc32/Gresume.c ppc32/Gstep.c libunwind_la_SOURCES_ppc64_common = $(libunwind_la_SOURCES_common) \ ppc64/is_fpreg.c ppc64/regname.c ppc64/get_func_addr.c # The list of files that go into libunwind: libunwind_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ $(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_ppc) \ ppc64/Lapply_reg_state.c ppc64/Lreg_states_iterate.c \ ppc64/Lcreate_addr_space.c \ ppc64/Lglobal.c ppc64/Linit.c \ ppc64/Lregs.c ppc64/Lresume.c ppc64/Lstep.c # The list of files that go into libunwind-ppc64: libunwind_ppc64_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ $(libunwind_la_SOURCES_generic) \ $(libunwind_ppc_la_SOURCES_ppc_generic) \ ppc64/Gapply_reg_state.c ppc64/Greg_states_iterate.c \ ppc64/Gcreate_addr_space.c \ ppc64/Gglobal.c ppc64/Ginit.c \ ppc64/Gregs.c ppc64/Gresume.c ppc64/Gstep.c libunwind_la_SOURCES_sh_common = $(libunwind_la_SOURCES_common) \ sh/is_fpreg.c sh/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_sh = $(libunwind_la_SOURCES_sh_common) \ $(libunwind_la_SOURCES_local) \ sh/Lapply_reg_state.c sh/Lreg_states_iterate.c \ sh/Lcreate_addr_space.c sh/Lget_proc_info.c sh/Lget_save_loc.c \ sh/Lglobal.c sh/Linit.c sh/Linit_local.c sh/Linit_remote.c \ sh/Lis_signal_frame.c sh/Lregs.c sh/Lresume.c sh/Lstep.c libunwind_sh_la_SOURCES_sh = $(libunwind_la_SOURCES_sh_common) \ $(libunwind_la_SOURCES_generic) \ sh/Gapply_reg_state.c sh/Greg_states_iterate.c \ sh/Gcreate_addr_space.c sh/Gget_proc_info.c sh/Gget_save_loc.c \ sh/Gglobal.c sh/Ginit.c sh/Ginit_local.c sh/Ginit_remote.c \ sh/Gis_signal_frame.c sh/Gregs.c sh/Gresume.c sh/Gstep.c @OS_FREEBSD_TRUE@libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_freebsd) @OS_HPUX_TRUE@libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_hpux) @OS_LINUX_TRUE@libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_linux) @OS_QNX_TRUE@libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_qnx) @OS_FREEBSD_TRUE@libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_freebsd_local) @OS_HPUX_TRUE@libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_hpux_local) @OS_LINUX_TRUE@libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_linux_local) @OS_QNX_TRUE@libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_qnx_local) @OS_FREEBSD_TRUE@libunwind_la_SOURCES_x86_os = x86/Gos-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_x86_os = x86/Gos-linux.c @OS_FREEBSD_TRUE@libunwind_x86_la_SOURCES_os = x86/getcontext-freebsd.S @OS_LINUX_TRUE@libunwind_x86_la_SOURCES_os = x86/getcontext-linux.S @OS_FREEBSD_TRUE@libunwind_la_SOURCES_x86_os_local = x86/Los-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_x86_os_local = x86/Los-linux.c @OS_FREEBSD_TRUE@libunwind_la_SOURCES_x86_64_os = x86_64/Gos-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_x86_64_os = x86_64/Gos-linux.c @OS_FREEBSD_TRUE@libunwind_la_SOURCES_x86_64_os_local = x86_64/Los-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_x86_64_os_local = x86_64/Los-linux.c @OS_FREEBSD_TRUE@libunwind_la_SOURCES_arm_os = arm/Gos-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_arm_os = arm/Gos-linux.c @OS_QNX_TRUE@libunwind_la_SOURCES_arm_os = arm/Gos-other.c @OS_FREEBSD_TRUE@libunwind_la_SOURCES_arm_os_local = arm/Los-freebsd.c @OS_LINUX_TRUE@libunwind_la_SOURCES_arm_os_local = arm/Los-linux.c @OS_QNX_TRUE@libunwind_la_SOURCES_arm_os_local = arm/Los-other.c @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_HPPA_FALSE@@ARCH_IA64_FALSE@@ARCH_MIPS_FALSE@@ARCH_PPC32_FALSE@@ARCH_PPC64_FALSE@@ARCH_SH_TRUE@@ARCH_TILEGX_FALSE@@ARCH_X86_64_FALSE@@ARCH_X86_FALSE@libunwind_la_SOURCES = $(libunwind_la_SOURCES_sh) 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html \ html-am info info-am install install-am install-data \ install-data-am install-dvi install-dvi-am install-exec \ install-exec-am install-exec-hook install-html install-html-am \ install-info install-info-am install-libLIBRARIES \ install-libLTLIBRARIES install-man install-pdf install-pdf-am \ install-pkgconfigDATA install-ps install-ps-am install-strip \ installcheck installcheck-am installdirs maintainer-clean \ maintainer-clean-generic mostlyclean mostlyclean-compile \ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ tags tags-am uninstall uninstall-am uninstall-libLIBRARIES \ uninstall-libLTLIBRARIES uninstall-pkgconfigDATA .PRECIOUS: Makefile @REMOTE_ONLY_TRUE@install-exec-hook: # Nothing to do here.... # # This is not ideal, but I know of no other way to install an # alias for a library. For the shared version, we have to do # a file check before creating the link, because it isn't going # to be there if the user configured with --disable-shared. # @REMOTE_ONLY_FALSE@install-exec-hook: @REMOTE_ONLY_FALSE@ if test -f $(DESTDIR)$(libdir)/libunwind-$(arch).a; then \ @REMOTE_ONLY_FALSE@ cd $(DESTDIR)$(libdir) && $(LN_S) -f libunwind-$(arch).a libunwind-generic.a; \ @REMOTE_ONLY_FALSE@ fi @REMOTE_ONLY_FALSE@ if test -f $(DESTDIR)$(libdir)/libunwind-$(arch).so; then \ @REMOTE_ONLY_FALSE@ cd $(DESTDIR)$(libdir) && $(LN_S) -f libunwind-$(arch).so \ @REMOTE_ONLY_FALSE@ libunwind-generic.so; \ @REMOTE_ONLY_FALSE@ fi @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@mk_Gcursor_i.s: $(srcdir)/ia64/mk_Gcursor_i.c @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@ $(COMPILE) -S "$(srcdir)/ia64/mk_Gcursor_i.c" -o mk_Gcursor_i.s @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@mk_Lcursor_i.s: $(srcdir)/ia64/mk_Lcursor_i.c @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@ $(COMPILE) -S "$(srcdir)/ia64/mk_Lcursor_i.c" -o mk_Lcursor_i.s @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@Gcursor_i.h: mk_Gcursor_i.s @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@ "$(srcdir)/ia64/mk_cursor_i" mk_Gcursor_i.s > Gcursor_i.h @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@Lcursor_i.h: mk_Lcursor_i.s @ARCH_AARCH64_FALSE@@ARCH_ARM_FALSE@@ARCH_IA64_TRUE@ "$(srcdir)/ia64/mk_cursor_i" mk_Lcursor_i.s > Lcursor_i.h # The -version-info flag accepts an argument of the form # `current[:revision[:age]]'. So, passing `-version-info 3:12:1' sets # current to 3, revision to 12, and age to 1. # If either revision or age are omitted, they default to 0. Also note # that age must be less than or equal to the current interface number. # Here are a set of rules to help you update your library version # information: # 1. Start with version information of `0:0:0' for each libtool # library. # 2. Update the version information only immediately before a public # release of your software. More frequent updates are unnecessary, # and only guarantee that the current interface number gets larger # faster. # 3. If the library source code has changed at all since the last # update, then increment revision (`c:r:a' becomes `c:r+1:a'). # 4. If any interfaces have been added, removed, or changed since the # last update, increment current, and set revision to 0. # 5. If any interfaces have been added since the last public release, # then increment age. # 6. If any interfaces have been removed since the last public # release, then set age to 0. # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libunwind-1.3.2/src/elf32.h0000644000175000017500000000020613406556425012314 00000000000000#ifndef elf32_h #define elf32_h #ifndef ELF_CLASS #define ELF_CLASS ELFCLASS32 #endif #include "elfxx.h" #endif /* elf32_h */ libunwind-1.3.2/src/os-freebsd.c0000644000175000017500000000772113406755365013442 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include #include #include "libunwind_i.h" static void * get_mem(size_t sz) { void *res; res = mmap(NULL, sz, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); if (res == MAP_FAILED) return (NULL); return (res); } static void free_mem(void *ptr, size_t sz) { munmap(ptr, sz); } static int get_pid_by_tid(int tid) { int mib[3], error; size_t len, len1; char *buf; struct kinfo_proc *kv; unsigned i, pid; len = 0; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_ALL; error = sysctl(mib, 3, NULL, &len, NULL, 0); if (error == -1) return (-1); len1 = len * 4 / 3; buf = get_mem(len1); if (buf == NULL) return (-1); len = len1; error = sysctl(mib, 3, buf, &len, NULL, 0); if (error == -1) { free_mem(buf, len1); return (-1); } pid = -1; for (i = 0, kv = (struct kinfo_proc *)buf; i < len / sizeof(*kv); i++, kv++) { if (kv->ki_tid == tid) { pid = kv->ki_pid; break; } } free_mem(buf, len1); return (pid); } int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen) { int mib[4], error, ret; size_t len, len1; char *buf, *bp, *eb; struct kinfo_vmentry *kv; len = 0; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_VMMAP; mib[3] = pid; error = sysctl(mib, 4, NULL, &len, NULL, 0); if (error == -1) { if (errno == ESRCH) { mib[3] = get_pid_by_tid(pid); if (mib[3] != -1) error = sysctl(mib, 4, NULL, &len, NULL, 0); if (error == -1) return (-UNW_EUNSPEC); } else return (-UNW_EUNSPEC); } len1 = len * 4 / 3; buf = get_mem(len1); if (buf == NULL) return (-UNW_EUNSPEC); len = len1; error = sysctl(mib, 4, buf, &len, NULL, 0); if (error == -1) { free_mem(buf, len1); return (-UNW_EUNSPEC); } ret = -UNW_EUNSPEC; for (bp = buf, eb = buf + len; bp < eb; bp += kv->kve_structsize) { kv = (struct kinfo_vmentry *)(uintptr_t)bp; if (ip < kv->kve_start || ip >= kv->kve_end) continue; if (kv->kve_type != KVME_TYPE_VNODE) continue; *segbase = kv->kve_start; *mapoff = kv->kve_offset; if (path) { strncpy(path, kv->kve_path, pathlen); } ret = elf_map_image (ei, kv->kve_path); break; } free_mem(buf, len1); return (ret); } #ifndef UNW_REMOTE_ONLY void tdep_get_exe_image_path (char *path) { int mib[4], error; size_t len; len = 0; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PATHNAME; mib[3] = getpid(); error = sysctl(mib, 4, path, &len, NULL, 0); if (error == -1) path[0] = 0; } #endif libunwind-1.3.2/src/hppa/0000755000175000017500000000000013640673451012241 500000000000000libunwind-1.3.2/src/hppa/unwind_i.h0000644000175000017500000000365313406556425014156 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" #define hppa_lock UNW_OBJ(lock) #define hppa_local_resume UNW_OBJ(local_resume) #define hppa_local_addr_space_init UNW_OBJ(local_addr_space_init) #define hppa_scratch_loc UNW_OBJ(scratch_loc) #define setcontext UNW_ARCH_OBJ (setcontext) extern void hppa_local_addr_space_init (void); extern int hppa_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); extern dwarf_loc_t hppa_scratch_loc (struct cursor *c, unw_regnum_t reg); extern int setcontext (const ucontext_t *ucp); #endif /* unwind_i_h */ libunwind-1.3.2/src/hppa/Gget_save_loc.c0000644000175000017500000000351313406755365015075 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { /* struct cursor *c = (struct cursor *) cursor; */ dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ #warning FIX ME! memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/hppa/Ginit_local.c0000644000175000017500000000412513406755365014560 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by ... This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common (unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/hppa/Lapply_reg_state.c0000644000175000017500000000021413406755365015625 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/hppa/Greg_states_iterate.c0000644000175000017500000000277613406755365016332 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/hppa/Lregs.c0000644000175000017500000000020113406556425013373 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/hppa/regname.c0000644000175000017500000000374313406755365013757 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15", "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31", "ip", "eh0", "eh1", "eh2", "eh3", "cfa" }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/hppa/Ginit_remote.c0000644000175000017500000000320413406755365014756 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/hppa/Linit_remote.c0000644000175000017500000000021013406556425014751 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/hppa/Gstep.c0000644000175000017500000000616613406755365013425 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret, i; Debug (1, "(cursor=%p, ip=0x%08x)\n", c, (unsigned) c->dwarf.ip); /* Try DWARF-based unwinding... */ ret = dwarf_step (&c->dwarf); if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } if (unlikely (ret < 0)) { /* DWARF failed, let's see if we can follow the frame-chain or skip over the signal trampoline. */ Debug (13, "dwarf_step() failed (ret=%d), trying fallback\n", ret); if (unw_is_signal_frame (cursor)) { #ifdef __linux__ /* Assume that the trampoline is at the beginning of the sigframe. */ unw_word_t ip, sc_addr = c->dwarf.ip + LINUX_RT_SIGFRAME_UC_OFF; dwarf_loc_t iaoq_loc = DWARF_LOC (sc_addr + LINUX_SC_IAOQ_OFF, 0); c->sigcontext_format = HPPA_SCF_LINUX_RT_SIGFRAME; c->sigcontext_addr = sc_addr; if ((ret = dwarf_get (&c->dwarf, iaoq_loc, &ip)) < 0) { Debug (2, "failed to read IAOQ[1] (ret=%d)\n", ret); return ret; } c->dwarf.ip = ip & ~0x3; /* mask out the privilege level */ for (i = 0; i < 32; ++i) { c->dwarf.loc[UNW_HPPA_GR + i] = DWARF_LOC (sc_addr + LINUX_SC_GR_OFF + 4*i, 0); c->dwarf.loc[UNW_HPPA_FR + i] = DWARF_LOC (sc_addr + LINUX_SC_FR_OFF + 4*i, 0); } if ((ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_HPPA_SP], &c->dwarf.cfa)) < 0) { Debug (2, "failed to read SP (ret=%d)\n", ret); return ret; } #else # error Implement me! #endif } else c->dwarf.ip = 0; } ret = (c->dwarf.ip == 0) ? 0 : 1; Debug (2, "returning %d\n", ret); return ret; } libunwind-1.3.2/src/hppa/setcontext.S0000644000175000017500000000522413406556425014511 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* The setcontext() in glibc is a no-op (as of 4 Dec 2004), so we have to implement something useful on our own here. */ #define FILL(n) ldw (LINUX_UC_MCONTEXT_OFF+LINUX_SC_GR_OFF+4*(n))(%r26),%r##n #include "offsets.h" .align 4 .global _Uhppa_setcontext .protected _Uhppa_setcontext .proc .callinfo _Uhppa_setcontext: FILL (2) /* return-pointer */ FILL (3) /* frame pointer */ FILL (4) /* 2nd-ary frame pointer */ FILL (5) /* preserved register */ FILL (6) /* preserved register */ FILL (7) /* preserved register */ FILL (8) /* preserved register */ FILL (9) /* preserved register */ FILL (10) /* preserved register */ FILL (11) /* preserved register */ FILL (12) /* preserved register */ FILL (13) /* preserved register */ FILL (14) /* preserved register */ FILL (15) /* preserved register */ FILL (16) /* preserved register */ FILL (17) /* preserved register */ FILL (18) /* preserved register */ FILL (19) /* linkage-table register */ FILL (27) /* global-data pointer */ FILL (30) /* stack pointer */ ldo (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FR_OFF)(%r26), %r29 fldds,ma 8(%r29), %fr12 fldds,ma 8(%r29), %fr13 fldds,ma 8(%r29), %fr14 fldds,ma 8(%r29), %fr15 fldds,ma 8(%r29), %fr16 fldds,ma 8(%r29), %fr17 fldds,ma 8(%r29), %fr18 fldds,ma 8(%r29), %fr19 fldds,ma 8(%r29), %fr20 fldds 8(%r29), %fr21 bv,n %r0(%rp) .procend #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/hppa/Linit_local.c0000644000175000017500000000020713406556425014556 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/hppa/Gis_signal_frame.c0000644000175000017500000000501513406755365015564 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_is_signal_frame (unw_cursor_t *cursor) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, w2, w3, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; /* Check if IP points at sigreturn() sequence. On Linux, this normally is: rt_sigreturn: 0x34190000 ldi 0, %r25 0x3414015a ldi __NR_rt_sigreturn,%r20 0xe4008200 be,l 0x100(%sr2,%r0),%sr0,%r31 0x08000240 nop When a signal interrupts a system call, the first word is instead: 0x34190002 ldi 1, %r25 */ ip = c->dwarf.ip; if (!ip) return 0; if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 4, &w1, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 8, &w2, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 12, &w3, 0, arg)) < 0) { Debug (1, "failed to read sigreturn code (ret=%d)\n", ret); return ret; } ret = ((w0 == 0x34190000 || w0 == 0x34190002) && w1 == 0x3414015a && w2 == 0xe4008200 && w3 == 0x08000240); Debug (1, "(cursor=%p, ip=0x%08lx) -> %d\n", c, (unsigned) ip, ret); return ret; #else printf ("%s: implement me\n", __FUNCTION__); #endif return -UNW_ENOINFO; } libunwind-1.3.2/src/hppa/Linit.c0000644000175000017500000000020113406556425013376 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/hppa/Ginit.c0000644000175000017500000001226213640667603013404 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2004 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static inline void * uc_addr (ucontext_t *uc, int reg) { void *addr; if ((unsigned) (reg - UNW_HPPA_GR) < 32) addr = &uc->uc_mcontext.sc_gr[reg - UNW_HPPA_GR]; else if ((unsigned) (reg - UNW_HPPA_FR) < 32) addr = &uc->uc_mcontext.sc_fr[reg - UNW_HPPA_FR]; else addr = NULL; return addr; } # ifdef UNW_LOCAL_ONLY void * _Uhppa_uc_addr (ucontext_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (12, "mem[%x] <- %x\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (12, "mem[%x] -> %x\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if ((unsigned int) (reg - UNW_HPPA_FR) < 32) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %x\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %x\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if ((unsigned) (reg - UNW_HPPA_FR) > 32) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { Debug (12, "%s <- %08x.%08x\n", unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08x.%08x\n", unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf32_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void hppa_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = hppa_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/hppa/Gglobal.c0000644000175000017500000000335713406556425013705 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN define_lock (hppa_lock); HIDDEN int tdep_init_done; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&hppa_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY hppa_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&hppa_lock, saved_mask); } libunwind-1.3.2/src/hppa/Lstep.c0000644000175000017500000000020113406556425013406 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/hppa/siglongjmp.S0000644000175000017500000000044513406556425014462 00000000000000 /* Dummy implementation for now. */ .globl _UI_siglongjmp_cont .globl _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: .proc .callinfo #warning fix me bv %r0(%rp) .procend #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/hppa/Lget_save_loc.c0000644000175000017500000000021113406556425015066 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/hppa/Lglobal.c0000644000175000017500000000020313406556425013675 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/hppa/Gresume.c0000644000175000017500000001057013406755365013744 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #ifndef UNW_REMOTE_ONLY #if defined(__linux) # include static NORETURN inline long my_rt_sigreturn (void *new_sp, int in_syscall) { register unsigned long r25 __asm__ ("r25") = (in_syscall != 0); register unsigned long r20 __asm__ ("r20") = SYS_rt_sigreturn; __asm__ __volatile__ ("copy %0, %%sp\n" "be,l 0x100(%%sr2,%%r0),%%sr0,%%r31\n" "nop" : : "r"(new_sp), "r"(r20), "r"(r25) : "memory"); abort (); } #endif /* __linux */ HIDDEN inline int hppa_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { #if defined(__linux) struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = c->dwarf.as_arg; /* Ensure c->pi is up-to-date. On PA-RISC, it's relatively common to be missing DWARF unwind info. We don't want to fail in that case, because the frame-chain still would let us do a backtrace at least. */ dwarf_make_proc_info (&c->dwarf); if (unlikely (c->sigcontext_format != HPPA_SCF_NONE)) { struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; Debug (8, "resuming at ip=%x via sigreturn(%p)\n", c->dwarf.ip, sc); my_rt_sigreturn (sc, (sc->sc_flags & PARISC_SC_FLAG_IN_SYSCALL) != 0); } else { Debug (8, "resuming at ip=%x via setcontext()\n", c->dwarf.ip); setcontext (uc); } #else # warning Implement me! #endif return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ /* This routine is responsible for copying the register values in cursor C and establishing them as the current machine state. */ static inline int establish_machine_state (struct cursor *c) { int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int write, void *); int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int write, void *); unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; access_reg = as->acc.access_reg; access_fpreg = as->acc.access_fpreg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) (*access_fpreg) (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) (*access_reg) (as, reg, &val, 1, arg); } } return 0; } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if (!c->dwarf.ip) { /* This can happen easily when the frame-chain gets truncated due to bad or missing unwind-info. */ Debug (1, "refusing to resume execution at address 0\n"); return -UNW_EINVAL; } if ((ret = establish_machine_state (c)) < 0) return ret; return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/hppa/Gcreate_addr_space.c0000644000175000017500000000317213406755365016054 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * hppa supports only big-endian. */ if (byte_order != 0 && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; return as; #endif } libunwind-1.3.2/src/hppa/offsets.h0000644000175000017500000000121713406556425014005 00000000000000#define LINUX_UC_FLAGS_OFF 0x000 #define LINUX_UC_LINK_OFF 0x004 #define LINUX_UC_STACK_OFF 0x008 #define LINUX_UC_MCONTEXT_OFF 0x018 #define LINUX_UC_SIGMASK_OFF 0x1b8 #define LINUX_SC_FLAGS_OFF 0x000 #define LINUX_SC_GR_OFF 0x004 #define LINUX_SC_FR_OFF 0x088 #define LINUX_SC_IASQ_OFF 0x188 #define LINUX_SC_IAOQ_OFF 0x190 #define LINUX_SC_SAR_OFF 0x198 /* The signal frame contains 4 words of space for the sigreturn trampoline, the siginfo structure, and then the sigcontext structure. See include/asm-parisc/compat_rt_sigframe.h. */ #define LINUX_RT_SIGFRAME_UC_OFF 0xac libunwind-1.3.2/src/hppa/Lis_signal_frame.c0000644000175000017500000000021413406556425015561 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/hppa/Lreg_states_iterate.c0000644000175000017500000000021713406755365016323 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/hppa/Gget_proc_info.c0000644000175000017500000000344413406755365015263 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; if (dwarf_make_proc_info (&c->dwarf) < 0) { /* On hppa, some key routines such as _start() and _dl_start() are missing DWARF unwind info. We don't want to fail in that case, because those frames are uninteresting and just mark the end of the frame-chain anyhow. */ memset (pi, 0, sizeof (*pi)); pi->start_ip = c->dwarf.ip; pi->end_ip = c->dwarf.ip + 4; return 0; } *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/hppa/getcontext.S0000644000175000017500000000505413406556425014476 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define SPILL(n) stw %r##n, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_GR_OFF+4*(n))(%r26) #include "offsets.h" .align 4 .protected _Uhppa_getcontext .global _Uhppa_getcontext .proc .callinfo _Uhppa_getcontext: SPILL (2) /* return-pointer */ SPILL (3) /* frame pointer */ SPILL (4) /* 2nd-ary frame pointer */ SPILL (5) /* preserved register */ SPILL (6) /* preserved register */ SPILL (7) /* preserved register */ SPILL (8) /* preserved register */ SPILL (9) /* preserved register */ SPILL (10) /* preserved register */ SPILL (11) /* preserved register */ SPILL (12) /* preserved register */ SPILL (13) /* preserved register */ SPILL (14) /* preserved register */ SPILL (15) /* preserved register */ SPILL (16) /* preserved register */ SPILL (17) /* preserved register */ SPILL (18) /* preserved register */ SPILL (19) /* linkage-table register */ SPILL (27) /* global-data pointer */ SPILL (30) /* stack pointer */ ldo (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FR_OFF)(%r26), %r29 fstds,ma %fr12, 8(%r29) fstds,ma %fr13, 8(%r29) fstds,ma %fr14, 8(%r29) fstds,ma %fr15, 8(%r29) fstds,ma %fr16, 8(%r29) fstds,ma %fr17, 8(%r29) fstds,ma %fr18, 8(%r29) fstds,ma %fr19, 8(%r29) fstds,ma %fr20, 8(%r29) fstds %fr21, 8(%r29) bv,n %r0(%rp) .procend #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/hppa/Gapply_reg_state.c0000644000175000017500000000300513406755365015621 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/hppa/Lcreate_addr_space.c0000644000175000017500000000021613406556425016051 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/hppa/Lget_proc_info.c0000644000175000017500000000021213406556425015252 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/hppa/Gregs.c0000644000175000017500000000526513406556425013405 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { struct dwarf_loc loc; switch (reg) { case UNW_HPPA_IP: if (write) c->dwarf.ip = *valp; /* update the IP cache */ if (c->dwarf.pi_valid && (*valp < c->dwarf.pi.start_ip || *valp >= c->dwarf.pi.end_ip)) c->dwarf.pi_valid = 0; /* new IP outside of current proc */ break; case UNW_HPPA_CFA: case UNW_HPPA_SP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; /* Do the exception-handling register remapping: */ case UNW_HPPA_EH0: reg = UNW_HPPA_GR + 20; break; case UNW_HPPA_EH1: reg = UNW_HPPA_GR + 21; break; case UNW_HPPA_EH2: reg = UNW_HPPA_GR + 22; break; case UNW_HPPA_EH3: reg = UNW_HPPA_GR + 31; break; default: break; } if ((unsigned) (reg - UNW_HPPA_GR) >= 32) return -UNW_EBADREG; loc = c->dwarf.loc[reg]; if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { struct dwarf_loc loc; if ((unsigned) (reg - UNW_HPPA_FR) >= 32) return -UNW_EBADREG; loc = c->dwarf.loc[reg]; if (write) return dwarf_putfp (&c->dwarf, loc, *valp); else return dwarf_getfp (&c->dwarf, loc, valp); } libunwind-1.3.2/src/hppa/Lresume.c0000644000175000017500000000020313406556425013735 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/hppa/init.h0000644000175000017500000000330313406556425013275 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by ... This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret; c->dwarf.loc[UNW_HPPA_IP] = DWARF_REG_LOC (&c->dwarf, UNW_HPPA_IP); c->dwarf.loc[UNW_HPPA_SP] = DWARF_REG_LOC (&c->dwarf, UNW_HPPA_SP); ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_HPPA_IP], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_HPPA_SP], &c->dwarf.cfa); if (ret < 0) return ret; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; return 0; } libunwind-1.3.2/src/os-hpux.c0000644000175000017500000000453013406755365013007 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include "libunwind_i.h" #include "elf64.h" HIDDEN int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen) { struct load_module_desc lmd; const char *path2; if (pid != getpid ()) { printf ("%s: remote case not implemented yet\n", __FUNCTION__); return -UNW_ENOINFO; } if (!dlmodinfo (ip, &lmd, sizeof (lmd), NULL, 0, 0)) return -UNW_ENOINFO; *segbase = lmd.text_base; *mapoff = 0; /* XXX fix me? */ path2 = dlgetname (&lmd, sizeof (lmd), NULL, 0, 0); if (!path2) return -UNW_ENOINFO; if (path) { strncpy(path, path2, pathlen); path[pathlen - 1] = '\0'; if (strcmp(path, path2) != 0) Debug(1, "buffer size (%d) not big enough to hold path\n", pathlen); } Debug(1, "segbase=%lx, mapoff=%lx, path=%s\n", *segbase, *mapoff, path); return elf_map_image (ei, path); } #ifndef UNW_REMOTE_ONLY void tdep_get_exe_image_path (char *path) { path[0] = 0; /* XXX */ } #endif libunwind-1.3.2/src/ppc32/0000755000175000017500000000000013640673450012237 500000000000000libunwind-1.3.2/src/ppc32/unwind_i.h0000644000175000017500000000341013406556425014144 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include #include #define ppc32_lock UNW_OBJ(lock) #define ppc32_local_resume UNW_OBJ(local_resume) #define ppc32_local_addr_space_init UNW_OBJ(local_addr_space_init) extern void ppc32_local_addr_space_init (void); extern int ppc32_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); #endif /* unwind_i_h */ libunwind-1.3.2/src/ppc32/Lapply_reg_state.c0000644000175000017500000000021413406755365015624 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/ppc32/Greg_states_iterate.c0000644000175000017500000000277613406755365016331 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/ppc32/Lregs.c0000644000175000017500000000020113406556425013372 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/ppc32/regname.c0000644000175000017500000000656513406755365013763 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { [UNW_PPC32_R0]="GPR0", [UNW_PPC32_R1]="GPR1", [UNW_PPC32_R2]="GPR2", [UNW_PPC32_R3]="GPR3", [UNW_PPC32_R4]="GPR4", [UNW_PPC32_R5]="GPR5", [UNW_PPC32_R6]="GPR6", [UNW_PPC32_R7]="GPR7", [UNW_PPC32_R8]="GPR8", [UNW_PPC32_R9]="GPR9", [UNW_PPC32_R10]="GPR10", [UNW_PPC32_R11]="GPR11", [UNW_PPC32_R12]="GPR12", [UNW_PPC32_R13]="GPR13", [UNW_PPC32_R14]="GPR14", [UNW_PPC32_R15]="GPR15", [UNW_PPC32_R16]="GPR16", [UNW_PPC32_R17]="GPR17", [UNW_PPC32_R18]="GPR18", [UNW_PPC32_R19]="GPR19", [UNW_PPC32_R20]="GPR20", [UNW_PPC32_R21]="GPR21", [UNW_PPC32_R22]="GPR22", [UNW_PPC32_R23]="GPR23", [UNW_PPC32_R24]="GPR24", [UNW_PPC32_R25]="GPR25", [UNW_PPC32_R26]="GPR26", [UNW_PPC32_R27]="GPR27", [UNW_PPC32_R28]="GPR28", [UNW_PPC32_R29]="GPR29", [UNW_PPC32_R30]="GPR30", [UNW_PPC32_R31]="GPR31", [UNW_PPC32_CTR]="CTR", [UNW_PPC32_XER]="XER", [UNW_PPC32_CCR]="CCR", [UNW_PPC32_LR]="LR", [UNW_PPC32_FPSCR]="FPSCR", [UNW_PPC32_F0]="FPR0", [UNW_PPC32_F1]="FPR1", [UNW_PPC32_F2]="FPR2", [UNW_PPC32_F3]="FPR3", [UNW_PPC32_F4]="FPR4", [UNW_PPC32_F5]="FPR5", [UNW_PPC32_F6]="FPR6", [UNW_PPC32_F7]="FPR7", [UNW_PPC32_F8]="FPR8", [UNW_PPC32_F9]="FPR9", [UNW_PPC32_F10]="FPR10", [UNW_PPC32_F11]="FPR11", [UNW_PPC32_F12]="FPR12", [UNW_PPC32_F13]="FPR13", [UNW_PPC32_F14]="FPR14", [UNW_PPC32_F15]="FPR15", [UNW_PPC32_F16]="FPR16", [UNW_PPC32_F17]="FPR17", [UNW_PPC32_F18]="FPR18", [UNW_PPC32_F19]="FPR19", [UNW_PPC32_F20]="FPR20", [UNW_PPC32_F21]="FPR21", [UNW_PPC32_F22]="FPR22", [UNW_PPC32_F23]="FPR23", [UNW_PPC32_F24]="FPR24", [UNW_PPC32_F25]="FPR25", [UNW_PPC32_F26]="FPR26", [UNW_PPC32_F27]="FPR27", [UNW_PPC32_F28]="FPR28", [UNW_PPC32_F29]="FPR29", [UNW_PPC32_F30]="FPR30", [UNW_PPC32_F31]="FPR31" }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/ppc32/Gstep.c0000644000175000017500000003153213406755365013417 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "ucontext_i.h" #include /* This definition originates in /usr/include/asm-ppc64/ptrace.h, but is defined there only when __KERNEL__ is defined. We reproduce it here for our use at the user level in order to locate the ucontext record, which appears to be at this offset relative to the stack pointer when in the context of the signal handler return trampoline code - __kernel_sigtramp_rt64. */ #define __SIGNAL_FRAMESIZE 128 /* This definition comes from the document "64-bit PowerPC ELF Application Binary Interface Supplement 1.9", section 3.2.2. http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK */ typedef struct { long unsigned back_chain; long unsigned lr_save; /* many more fields here, but they are unused by this code */ } stack_frame_t; int unw_step (unw_cursor_t * cursor) { struct cursor *c = (struct cursor *) cursor; stack_frame_t dummy; unw_word_t back_chain_offset, lr_save_offset; struct dwarf_loc back_chain_loc, lr_save_loc, sp_loc, ip_loc; int ret; Debug (1, "(cursor=%p, ip=0x%016lx)\n", c, (unsigned long) c->dwarf.ip); if (c->dwarf.ip == 0) { /* Unless the cursor or stack is corrupt or uninitialized, we've most likely hit the top of the stack */ return 0; } /* Try DWARF-based unwinding... */ ret = dwarf_step (&c->dwarf); if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } if (unlikely (ret < 0)) { if (likely (unw_is_signal_frame (cursor) <= 0)) { /* DWARF unwinding failed. As of 09/26/2006, gcc in 64-bit mode produces the mandatory level of traceback record in the code, but I get the impression that this is transitory, that eventually gcc will not produce any traceback records at all. So, for now, we won't bother to try to find and use these records. We can, however, attempt to unwind the frame by using the callback chain. This is very crude, however, and won't be able to unwind any registers besides the IP, SP, and LR . */ back_chain_offset = ((void *) &dummy.back_chain - (void *) &dummy); lr_save_offset = ((void *) &dummy.lr_save - (void *) &dummy); back_chain_loc = DWARF_LOC (c->dwarf.cfa + back_chain_offset, 0); if ((ret = dwarf_get (&c->dwarf, back_chain_loc, &c->dwarf.cfa)) < 0) { Debug (2, "Unable to retrieve CFA from back chain in stack frame - %d\n", ret); return ret; } if (c->dwarf.cfa == 0) /* Unless the cursor or stack is corrupt or uninitialized we've most likely hit the top of the stack */ return 0; lr_save_loc = DWARF_LOC (c->dwarf.cfa + lr_save_offset, 0); if ((ret = dwarf_get (&c->dwarf, lr_save_loc, &c->dwarf.ip)) < 0) { Debug (2, "Unable to retrieve IP from lr save in stack frame - %d\n", ret); return ret; } ret = 1; } else { /* Find the sigcontext record by taking the CFA and adjusting by the dummy signal frame size. Note that there isn't any way to determined if SA_SIGINFO was set in the sa_flags parameter to sigaction when the signal handler was established. If it was not set, the ucontext record is not required to be on the stack, in which case the following code will likely cause a seg fault or other crash condition. */ unw_word_t ucontext = c->dwarf.cfa + __SIGNAL_FRAMESIZE; Debug (1, "signal frame, skip over trampoline\n"); c->sigcontext_format = PPC_SCF_LINUX_RT_SIGFRAME; c->sigcontext_addr = ucontext; sp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); ip_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_LINK, 0); ret = dwarf_get (&c->dwarf, sp_loc, &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } ret = dwarf_get (&c->dwarf, ip_loc, &c->dwarf.ip); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } /* Instead of just restoring the non-volatile registers, do all of the registers for now. This will incur a performance hit, but it's rare enough not to cause too much of a problem, and might be useful in some cases. */ c->dwarf.loc[UNW_PPC32_R0] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R0, 0); c->dwarf.loc[UNW_PPC32_R1] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); c->dwarf.loc[UNW_PPC32_R2] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R2, 0); c->dwarf.loc[UNW_PPC32_R3] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R3, 0); c->dwarf.loc[UNW_PPC32_R4] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R4, 0); c->dwarf.loc[UNW_PPC32_R5] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R5, 0); c->dwarf.loc[UNW_PPC32_R6] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R6, 0); c->dwarf.loc[UNW_PPC32_R7] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R7, 0); c->dwarf.loc[UNW_PPC32_R8] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0); c->dwarf.loc[UNW_PPC32_R9] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0); c->dwarf.loc[UNW_PPC32_R10] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0); c->dwarf.loc[UNW_PPC32_R11] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0); c->dwarf.loc[UNW_PPC32_R12] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0); c->dwarf.loc[UNW_PPC32_R13] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0); c->dwarf.loc[UNW_PPC32_R14] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0); c->dwarf.loc[UNW_PPC32_R15] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0); c->dwarf.loc[UNW_PPC32_R16] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R16, 0); c->dwarf.loc[UNW_PPC32_R17] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R17, 0); c->dwarf.loc[UNW_PPC32_R18] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R18, 0); c->dwarf.loc[UNW_PPC32_R19] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R19, 0); c->dwarf.loc[UNW_PPC32_R20] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R20, 0); c->dwarf.loc[UNW_PPC32_R21] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R21, 0); c->dwarf.loc[UNW_PPC32_R22] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R22, 0); c->dwarf.loc[UNW_PPC32_R23] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R23, 0); c->dwarf.loc[UNW_PPC32_R24] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R24, 0); c->dwarf.loc[UNW_PPC32_R25] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R25, 0); c->dwarf.loc[UNW_PPC32_R26] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R26, 0); c->dwarf.loc[UNW_PPC32_R27] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R27, 0); c->dwarf.loc[UNW_PPC32_R28] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R28, 0); c->dwarf.loc[UNW_PPC32_R29] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R29, 0); c->dwarf.loc[UNW_PPC32_R30] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R30, 0); c->dwarf.loc[UNW_PPC32_R31] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R31, 0); c->dwarf.loc[UNW_PPC32_LR] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_LINK, 0); c->dwarf.loc[UNW_PPC32_CTR] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CTR, 0); /* This CR0 assignment is probably wrong. There are 8 dwarf columns assigned to the CR registers, but only one CR register in the mcontext structure */ c->dwarf.loc[UNW_PPC32_CCR] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CCR, 0); c->dwarf.loc[UNW_PPC32_XER] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_XER, 0); c->dwarf.loc[UNW_PPC32_F0] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R0, 0); c->dwarf.loc[UNW_PPC32_F1] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R1, 0); c->dwarf.loc[UNW_PPC32_F2] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R2, 0); c->dwarf.loc[UNW_PPC32_F3] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R3, 0); c->dwarf.loc[UNW_PPC32_F4] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R4, 0); c->dwarf.loc[UNW_PPC32_F5] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R5, 0); c->dwarf.loc[UNW_PPC32_F6] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R6, 0); c->dwarf.loc[UNW_PPC32_F7] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R7, 0); c->dwarf.loc[UNW_PPC32_F8] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R8, 0); c->dwarf.loc[UNW_PPC32_F9] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R9, 0); c->dwarf.loc[UNW_PPC32_F10] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R10, 0); c->dwarf.loc[UNW_PPC32_F11] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R11, 0); c->dwarf.loc[UNW_PPC32_F12] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R12, 0); c->dwarf.loc[UNW_PPC32_F13] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R13, 0); c->dwarf.loc[UNW_PPC32_F14] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R14, 0); c->dwarf.loc[UNW_PPC32_F15] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R15, 0); c->dwarf.loc[UNW_PPC32_F16] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R16, 0); c->dwarf.loc[UNW_PPC32_F17] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R17, 0); c->dwarf.loc[UNW_PPC32_F18] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R18, 0); c->dwarf.loc[UNW_PPC32_F19] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R19, 0); c->dwarf.loc[UNW_PPC32_F20] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R20, 0); c->dwarf.loc[UNW_PPC32_F21] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R21, 0); c->dwarf.loc[UNW_PPC32_F22] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R22, 0); c->dwarf.loc[UNW_PPC32_F23] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R23, 0); c->dwarf.loc[UNW_PPC32_F24] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R24, 0); c->dwarf.loc[UNW_PPC32_F25] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R25, 0); c->dwarf.loc[UNW_PPC32_F26] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R26, 0); c->dwarf.loc[UNW_PPC32_F27] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R27, 0); c->dwarf.loc[UNW_PPC32_F28] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R28, 0); c->dwarf.loc[UNW_PPC32_F29] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R29, 0); c->dwarf.loc[UNW_PPC32_F30] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R30, 0); c->dwarf.loc[UNW_PPC32_F31] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R31, 0); ret = 1; } } return ret; } libunwind-1.3.2/src/ppc32/Linit.c0000644000175000017500000000020113406556425013375 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/ppc32/ucontext_i.h0000644000175000017500000002317413406556425014522 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef ucontext_i_h #define ucontext_i_h #include "compiler.h" #include /* These values were derived by reading /usr/src/linux-2.6.18-1.8/arch/um/include/sysdep-ppc/ptrace.h and /usr/src/linux-2.6.18-1.8/arch/powerpc/kernel/ppc32.h */ //#define NIP_IDX 32 #define CTR_IDX 32 #define XER_IDX 33 #define CCR_IDX 34 #define MSR_IDX 35 //#define MQ_IDX 36 #define LINK_IDX 36 /* These are dummy structures used only for obtaining the offsets of the various structure members. */ static ucontext_t dmy_ctxt UNUSED; #define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[0] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[1] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[2] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[3] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[4] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[5] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[6] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[7] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[8] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[9] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[10] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[11] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[12] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[13] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[14] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[15] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[16] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[17] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[18] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[19] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[20] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[21] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[22] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[23] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[24] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[25] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[26] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[27] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[28] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[29] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[30] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[31] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[MSR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CTR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[LINK_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[XER_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CCR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[SOFTE_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[TRAP_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DAR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DSISR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[RESULT_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[0] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[1] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[2] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[3] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[4] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[5] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[6] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[7] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[8] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[9] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[10] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[11] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[12] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[13] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[14] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[15] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[16] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[17] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[18] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[19] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[20] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[21] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[22] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[23] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[24] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[25] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[26] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[27] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[28] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[29] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[30] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[31] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[32] - (void *)&dmy_ctxt) #endif libunwind-1.3.2/src/ppc32/Ginit.c0000644000175000017500000001275513640667603013412 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "ucontext_i.h" #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static void * uc_addr (ucontext_t *uc, int reg) { void *addr; if ((unsigned) (reg - UNW_PPC32_R0) < 32) addr = &uc->uc_mcontext.uc_regs->gregs[reg - UNW_PPC32_R0]; else if ( ((unsigned) (reg - UNW_PPC32_F0) < 32) && ((unsigned) (reg - UNW_PPC32_F0) >= 0) ) addr = &uc->uc_mcontext.uc_regs->fpregs.fpregs[reg - UNW_PPC32_F0]; else { unsigned gregs_idx; switch (reg) { case UNW_PPC32_CTR: gregs_idx = CTR_IDX; break; case UNW_PPC32_LR: gregs_idx = LINK_IDX; break; case UNW_PPC32_XER: gregs_idx = XER_IDX; break; case UNW_PPC32_CCR: gregs_idx = CCR_IDX; break; default: return NULL; } addr = &uc->uc_mcontext.uc_regs->gregs[gregs_idx]; } return addr; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (12, "mem[%lx] <- %lx\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (12, "mem[%lx] -> %lx\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if ( ((unsigned int) (reg - UNW_PPC32_F0) < 32) && ((unsigned int) (reg - UNW_PPC32_F0) >= 0)) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %lx\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %lx\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if ((unsigned) (reg - UNW_PPC32_F0) < 0) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { Debug (12, "%s <- %016Lf\n", unw_regname (reg), *val); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %016Lf\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf32_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void ppc32_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = ppc32_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ppc32/Gglobal.c0000644000175000017500000001107713406556425013702 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (ppc32_lock); HIDDEN int tdep_init_done; /* The API register numbers are exactly the same as the .eh_frame registers, for now at least. */ HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH] = { [UNW_PPC32_R0]=UNW_PPC32_R0, [UNW_PPC32_R1]=UNW_PPC32_R1, [UNW_PPC32_R2]=UNW_PPC32_R2, [UNW_PPC32_R3]=UNW_PPC32_R3, [UNW_PPC32_R4]=UNW_PPC32_R4, [UNW_PPC32_R5]=UNW_PPC32_R5, [UNW_PPC32_R6]=UNW_PPC32_R6, [UNW_PPC32_R7]=UNW_PPC32_R7, [UNW_PPC32_R8]=UNW_PPC32_R8, [UNW_PPC32_R9]=UNW_PPC32_R9, [UNW_PPC32_R10]=UNW_PPC32_R10, [UNW_PPC32_R11]=UNW_PPC32_R11, [UNW_PPC32_R12]=UNW_PPC32_R12, [UNW_PPC32_R13]=UNW_PPC32_R13, [UNW_PPC32_R14]=UNW_PPC32_R14, [UNW_PPC32_R15]=UNW_PPC32_R15, [UNW_PPC32_R16]=UNW_PPC32_R16, [UNW_PPC32_R17]=UNW_PPC32_R17, [UNW_PPC32_R18]=UNW_PPC32_R18, [UNW_PPC32_R19]=UNW_PPC32_R19, [UNW_PPC32_R20]=UNW_PPC32_R20, [UNW_PPC32_R21]=UNW_PPC32_R21, [UNW_PPC32_R22]=UNW_PPC32_R22, [UNW_PPC32_R23]=UNW_PPC32_R23, [UNW_PPC32_R24]=UNW_PPC32_R24, [UNW_PPC32_R25]=UNW_PPC32_R25, [UNW_PPC32_R26]=UNW_PPC32_R26, [UNW_PPC32_R27]=UNW_PPC32_R27, [UNW_PPC32_R28]=UNW_PPC32_R28, [UNW_PPC32_R29]=UNW_PPC32_R29, [UNW_PPC32_R30]=UNW_PPC32_R30, [UNW_PPC32_R31]=UNW_PPC32_R31, [UNW_PPC32_CTR]=UNW_PPC32_CTR, [UNW_PPC32_XER]=UNW_PPC32_XER, [UNW_PPC32_CCR]=UNW_PPC32_CCR, [UNW_PPC32_LR]=UNW_PPC32_LR, [UNW_PPC32_FPSCR]=UNW_PPC32_FPSCR, [UNW_PPC32_F0]=UNW_PPC32_F0, [UNW_PPC32_F1]=UNW_PPC32_F1, [UNW_PPC32_F2]=UNW_PPC32_F2, [UNW_PPC32_F3]=UNW_PPC32_F3, [UNW_PPC32_F4]=UNW_PPC32_F4, [UNW_PPC32_F5]=UNW_PPC32_F5, [UNW_PPC32_F6]=UNW_PPC32_F6, [UNW_PPC32_F7]=UNW_PPC32_F7, [UNW_PPC32_F8]=UNW_PPC32_F8, [UNW_PPC32_F9]=UNW_PPC32_F9, [UNW_PPC32_F10]=UNW_PPC32_F10, [UNW_PPC32_F11]=UNW_PPC32_F11, [UNW_PPC32_F12]=UNW_PPC32_F12, [UNW_PPC32_F13]=UNW_PPC32_F13, [UNW_PPC32_F14]=UNW_PPC32_F14, [UNW_PPC32_F15]=UNW_PPC32_F15, [UNW_PPC32_F16]=UNW_PPC32_F16, [UNW_PPC32_F17]=UNW_PPC32_F17, [UNW_PPC32_F18]=UNW_PPC32_F18, [UNW_PPC32_F19]=UNW_PPC32_F19, [UNW_PPC32_F20]=UNW_PPC32_F20, [UNW_PPC32_F21]=UNW_PPC32_F21, [UNW_PPC32_F22]=UNW_PPC32_F22, [UNW_PPC32_F23]=UNW_PPC32_F23, [UNW_PPC32_F24]=UNW_PPC32_F24, [UNW_PPC32_F25]=UNW_PPC32_F25, [UNW_PPC32_F26]=UNW_PPC32_F26, [UNW_PPC32_F27]=UNW_PPC32_F27, [UNW_PPC32_F28]=UNW_PPC32_F28, [UNW_PPC32_F29]=UNW_PPC32_F29, [UNW_PPC32_F30]=UNW_PPC32_F30, [UNW_PPC32_F31]=UNW_PPC32_F31, }; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&ppc32_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY ppc32_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&ppc32_lock, saved_mask); } libunwind-1.3.2/src/ppc32/Lstep.c0000644000175000017500000000020113406556425013405 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/ppc32/get_func_addr.c0000644000175000017500000000270713406556425015117 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int tdep_get_func_addr (unw_addr_space_t as, unw_word_t symbol_val_addr, unw_word_t *real_func_addr) { *real_func_addr = symbol_val_addr; return 0; } libunwind-1.3.2/src/ppc32/Lglobal.c0000644000175000017500000000020313406556425013674 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/ppc32/Gresume.c0000644000175000017500000000432713406755365013746 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford cjashfor@us.ibm.com Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #ifndef UNW_REMOTE_ONLY #include /* sigreturn() is a no-op on x86_64 glibc. */ static NORETURN inline long my_rt_sigreturn (void *new_sp) { /* XXX: empty stub. */ abort (); } HIDDEN inline int ppc32_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { /* XXX: empty stub. */ return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ /* This routine is responsible for copying the register values in cursor C and establishing them as the current machine state. */ static inline int establish_machine_state (struct cursor *c) { /* XXX: empty stub. */ return 0; } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if ((ret = establish_machine_state (c)) < 0) return ret; return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/ppc32/Gcreate_addr_space.c0000644000175000017500000000330713406755365016053 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * We support only big-endian on Linux ppc32. */ if (byte_order != 0 && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; return as; #endif } libunwind-1.3.2/src/ppc32/Lreg_states_iterate.c0000644000175000017500000000021713406755365016322 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/ppc32/Gapply_reg_state.c0000644000175000017500000000300513406755365015620 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/ppc32/Lcreate_addr_space.c0000644000175000017500000000021613406556425016050 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/ppc32/is_fpreg.c0000644000175000017500000000257413406755365014137 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { return (regnum >= UNW_PPC32_F0 && regnum <= UNW_PPC32_F31); } libunwind-1.3.2/src/ppc32/Gregs.c0000644000175000017500000000511613406556425013377 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { struct dwarf_loc loc; switch (reg) { case UNW_TDEP_IP: if (write) { c->dwarf.ip = *valp; /* update the IP cache */ if (c->dwarf.pi_valid && (*valp < c->dwarf.pi.start_ip || *valp >= c->dwarf.pi.end_ip)) c->dwarf.pi_valid = 0; /* new IP outside of current proc */ } else *valp = c->dwarf.ip; return 0; case UNW_TDEP_SP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; default: break; } /* make sure it's not an FP or VR register */ if ((((unsigned) (reg - UNW_PPC32_F0)) <= 31)) return -UNW_EBADREG; loc = c->dwarf.loc[reg]; if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { struct dwarf_loc loc; if ((unsigned) (reg - UNW_PPC32_F0) < 32) { loc = c->dwarf.loc[reg]; if (write) return dwarf_putfp (&c->dwarf, loc, *valp); else return dwarf_getfp (&c->dwarf, loc, valp); } return -UNW_EBADREG; } libunwind-1.3.2/src/ppc32/Lresume.c0000644000175000017500000000020313406556425013734 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/ppc32/init.h0000644000175000017500000000503413406755365013303 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* Here is the "common" init, for remote and local debuging" */ static inline int common_init_ppc32 (struct cursor *c, unsigned use_prev_instr) { int ret; int i; for (i = UNW_PPC32_R0; i <= UNW_PPC32_R31; i++) { c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i); } for (i = UNW_PPC32_F0; i <= UNW_PPC32_F31; i++) { c->dwarf.loc[i] = DWARF_FPREG_LOC (&c->dwarf, i); } c->dwarf.loc[UNW_PPC32_CTR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC32_CTR); c->dwarf.loc[UNW_PPC32_XER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC32_XER); c->dwarf.loc[UNW_PPC32_CCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC32_CCR); c->dwarf.loc[UNW_PPC32_LR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC32_LR); c->dwarf.loc[UNW_PPC32_FPSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC32_FPSCR); ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_PPC32_LR], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_PPC32_R1), &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = PPC_SCF_NONE; c->sigcontext_addr = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/tilegx/0000755000175000017500000000000013640673450012604 500000000000000libunwind-1.3.2/src/tilegx/unwind_i.h0000644000175000017500000000335213406755365014522 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include #include "libunwind_i.h" #define tilegx_local_resume UNW_OBJ(local_resume) #define tilegx_local_addr_space_init UNW_OBJ(local_addr_space_init) extern int tilegx_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); #define tilegx_handle_signal_frame UNW_OBJ(handle_signal_frame) extern int tilegx_handle_signal_frame(unw_cursor_t *cursor); extern void tilegx_local_addr_space_init (void); #endif /* unwind_i_h */ libunwind-1.3.2/src/tilegx/Gget_save_loc.c0000644000175000017500000000360313406755365015441 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ if (reg <= UNW_TILEGX_R55) loc = c->dwarf.loc[reg - UNW_TILEGX_R0]; else printf("\nInvalid register!"); memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/tilegx/Ginit_local.c0000644000175000017500000000417613406755365015132 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); memset(c, 0, sizeof(unw_cursor_t)); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/tilegx/Lapply_reg_state.c0000644000175000017500000000021413406755365016171 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/tilegx/Greg_states_iterate.c0000644000175000017500000000277613406755365016676 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/tilegx/Lregs.c0000644000175000017500000000020113406556425013737 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/tilegx/regname.c0000644000175000017500000000370313406755365014317 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { /* 0. */ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", /* 8. */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", /* 16. */ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", /* 24. */ "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", /* 32. */ "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", /* 40. */ "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", /* 48. */ "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", /* pc, cfa */ "pc", "cfa" }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/tilegx/Ginit_remote.c0000644000175000017500000000311313406755365015321 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/tilegx/Linit_remote.c0000644000175000017500000000021013406556425015315 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/tilegx/Gstep.c0000644000175000017500000000341713406755365013765 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p, ip=0x%016lx, sp=0x%016lx)\n", c, c->dwarf.ip, c->dwarf.cfa); /* Special handling the singal frame. */ if (unw_is_signal_frame (cursor) > 0) return tilegx_handle_signal_frame (cursor); /* Try DWARF-based unwinding... */ ret = dwarf_step (&c->dwarf); if (unlikely (ret == -UNW_ESTOPUNWIND)) return ret; /* Dwarf unwinding didn't work, stop. */ if (unlikely (ret < 0)) return 0; return (c->dwarf.ip == 0) ? 0 : 1; } libunwind-1.3.2/src/tilegx/Linit_local.c0000644000175000017500000000020713406556425015122 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/tilegx/Gis_signal_frame.c0000644000175000017500000000657613406755365016145 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include #include "offsets.h" #ifdef __linux__ #include #include #else # error "Only support Linux!" #endif #define MOVELI_R10_RT_SIGRETURN \ ( 0x000007e051483000ULL | \ ((unsigned long)__NR_rt_sigreturn << 43) | \ ((unsigned long)TREG_SYSCALL_NR << 31) ) #define SWINT1 0x286b180051485000ULL int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor*) cursor; unw_word_t w0, w1, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; ip = c->dwarf.ip; if (!ip || !a->access_mem || (ip & (sizeof(unw_word_t) - 1))) return 0; if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0) return ret; if ((ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0) return ret; /* Return 1 if the IP points to a RT sigreturn sequence. */ if (w0 == MOVELI_R10_RT_SIGRETURN && w1 == SWINT1) { return 1; } return 0; } HIDDEN int tilegx_handle_signal_frame (unw_cursor_t *cursor) { int i; struct cursor *c = (struct cursor *) cursor; unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); int ret; if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) return -UNW_EUNSPEC; /* Save the SP and PC to be able to return execution at this point later in time (unw_resume). */ c->sigcontext_sp = c->dwarf.cfa; c->sigcontext_pc = c->dwarf.ip; c->sigcontext_addr = sp_addr + sizeof (siginfo_t) + C_ABI_SAVE_AREA_SIZE; sc_addr = c->sigcontext_addr + LINUX_UC_MCONTEXT_OFF; /* Update the dwarf cursor. Set the location of the registers to the corresponding addresses of the uc_mcontext / sigcontext structure contents. */ #define SC_REG_OFFSET(X) (8 * X) for (i = UNW_TILEGX_R0; i <= UNW_TILEGX_R55; i++) { c->dwarf.loc[i] = DWARF_LOC (sc_addr + SC_REG_OFFSET(i), 0); } /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_TILEGX_R54], &c->dwarf.cfa); dwarf_get (&c->dwarf, c->dwarf.loc[UNW_TILEGX_R55], &c->dwarf.ip); return 1; } libunwind-1.3.2/src/tilegx/Linit.c0000644000175000017500000000020113406556425013742 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/tilegx/Ginit.c0000644000175000017500000001156613640667603013756 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; /* Return the address of the 64-bit slot in UC for REG (even for o32, where registers are 32-bit, the slots are still 64-bit). */ static inline void * uc_addr (ucontext_t *uc, int reg) { if (reg >= UNW_TILEGX_R0 && reg < UNW_TILEGX_R0 + 56) return &uc->uc_mcontext.gregs[reg - UNW_TILEGX_R0]; else if (reg == UNW_TILEGX_PC) return &uc->uc_mcontext.pc; else return NULL; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { char *addr = uc_addr (uc, reg); return addr; } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) (intptr_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if ((long long)addr & (sizeof(unw_word_t) - 1)) return 0; if (write) { Debug (16, "mem[%llx] <- %llx\n", (long long) addr, (long long) *val); *(unw_word_t *) (intptr_t) addr = *val; } else { *val = *(unw_word_t *) (intptr_t) addr; Debug (16, "mem[%llx] -> %llx\n", (long long) addr, (long long) *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if (unw_is_fpreg (reg)) goto badreg; Debug (16, "reg = %s\n", unw_regname (reg)); if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) (intptr_t) addr = (tilegx_reg_t) *val; Debug (12, "%s <- %llx\n", unw_regname (reg), (long long) *val); } else { *val = (tilegx_reg_t) *(unw_word_t *) (intptr_t) addr; Debug (12, "%s -> %llx\n", unw_regname (reg), (long long) *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return elf_w (get_proc_name) (as, getpid (), ip, buf, buf_len, offp); } __attribute__((weak)) void tilegx_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN); local_addr_space.abi = UNW_TILEGX_ABI_N64; local_addr_space.addr_size = sizeof (void *); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = NULL; local_addr_space.acc.resume = tilegx_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/tilegx/Gglobal.c0000644000175000017500000000400613406556425014241 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" __attribute__((weak)) pthread_mutex_t tilegx_lock = PTHREAD_MUTEX_INITIALIZER; HIDDEN int tdep_init_done; HIDDEN const uint8_t dwarf_to_unw_regnum_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55 }; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&tilegx_lock, saved_mask); if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY tilegx_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ out: lock_release (&tilegx_lock, saved_mask); } libunwind-1.3.2/src/tilegx/Lstep.c0000644000175000017500000000020113406556425013752 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/tilegx/siglongjmp.S0000644000175000017500000000025413406556425015024 00000000000000 /* Dummy implementation for now. */ .globl _UI_siglongjmp_cont .globl _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: jrp lr libunwind-1.3.2/src/tilegx/Lget_save_loc.c0000644000175000017500000000021113406556425015432 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/tilegx/Lglobal.c0000644000175000017500000000020313406556425014241 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/tilegx/Gresume.c0000644000175000017500000000520113406755365014303 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #include #ifndef UNW_REMOTE_ONLY HIDDEN inline int tilegx_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { int i; struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = c->dwarf.as_arg; Debug (1, "(cursor=%p\n", c); return setcontext(uc); } #endif /* !UNW_REMOTE_ONLY */ static inline void establish_machine_state (struct cursor *c) { unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { Debug (1, "no fp!"); abort (); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) as->acc.access_reg (as, reg, &val, 1, arg); } } } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; Debug (1, "(cursor=%p) ip=0x%lx\n", c, c->dwarf.ip); if (!c->dwarf.ip) { /* This can happen easily when the frame-chain gets truncated due to bad or missing unwind-info. */ Debug (1, "refusing to resume execution at address 0\n"); return -UNW_EINVAL; } establish_machine_state (c); return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/tilegx/Gcreate_addr_space.c0000644000175000017500000000361113406755365016416 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; /* * Tilegx supports only big or little-endian, not weird stuff like * PDP_ENDIAN. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; if (byte_order == 0) /* use host default: */ as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); else as->big_endian = (byte_order == __BIG_ENDIAN); as->abi = UNW_TILEGX_ABI_N64; as->addr_size = 8; return as; #endif } libunwind-1.3.2/src/tilegx/offsets.h0000644000175000017500000000056713406556425014360 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* Offsets for TILEGX Linux "ucontext_t": */ #define LINUX_UC_FLAGS_OFF 0x0 #define LINUX_UC_LINK_OFF 0x8 #define LINUX_UC_STACK_OFF 0x10 #define LINUX_UC_MCONTEXT_OFF 0x28 #define LINUX_UC_SIGMASK_OFF 0x228 #define LINUX_UC_MCONTEXT_GREGS 0x28 libunwind-1.3.2/src/tilegx/Lis_signal_frame.c0000644000175000017500000000021413406556425016125 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/tilegx/Lreg_states_iterate.c0000644000175000017500000000021713406755365016667 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/tilegx/Gget_proc_info.c0000644000175000017500000000320613406755365015623 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) { /* On Tilegx, some routines i.e. _start() etc has no dwarf info. Just simply mark the end of the frames. */ memset (pi, 0, sizeof (*pi)); pi->start_ip = c->dwarf.ip; pi->end_ip = c->dwarf.ip + 1; return 0; } *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/tilegx/getcontext.S0000644000175000017500000000270513406556425015042 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include .text # define REG(X) LINUX_UC_MCONTEXT_GREGS + 8 * (X) .global _Utilegx_getcontext .type _Utilegx_getcontext, %function # This is a stub version of getcontext() for TILEGX. _Utilegx_getcontext: libunwind-1.3.2/src/tilegx/Gapply_reg_state.c0000644000175000017500000000300513406755365016165 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/tilegx/Lcreate_addr_space.c0000644000175000017500000000021613406556425016415 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/tilegx/Lget_proc_info.c0000644000175000017500000000021213406556425015616 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/tilegx/is_fpreg.c0000644000175000017500000000233713406755365014501 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" /* TILEGX has no FP. */ int unw_is_fpreg (int regnum) { return 0; } libunwind-1.3.2/src/tilegx/Gregs.c0000644000175000017500000000442113406755365013746 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; if (reg == UNW_TILEGX_R54 && !write) { reg = UNW_TILEGX_CFA; } if (reg <= UNW_TILEGX_R55) loc = c->dwarf.loc[reg - UNW_TILEGX_R0]; else if (reg == UNW_TILEGX_CFA) { if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; } else { Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) { if (ci->dwarf.use_prev_instr == 0) { if (reg == UNW_TILEGX_PC) c->dwarf.ip = *valp; /* update the IP cache */ } else { if (reg == UNW_TILEGX_R55) c->dwarf.ip = *valp; /* update the IP cache */ } return dwarf_put (&c->dwarf, loc, *valp); } else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } libunwind-1.3.2/src/tilegx/Lresume.c0000644000175000017500000000020313406556425014301 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/tilegx/init.h0000644000175000017500000000411613406755365013650 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret, i; for (i = 0; i < 56; i++) c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, UNW_TILEGX_R0 + i); for (i = 56; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; if (use_prev_instr == 0) ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_TILEGX_PC), &c->dwarf.ip); else ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_TILEGX_R55), &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_TILEGX_R54), &c->dwarf.cfa); if (ret < 0) return ret; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/elf64.c0000644000175000017500000000010713406556425012314 00000000000000#ifndef UNW_REMOTE_ONLY # include "elf64.h" # include "elfxx.c" #endif libunwind-1.3.2/src/libunwind-generic.pc.in0000644000175000017500000000036413406556425015573 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libunwind-generic Description: libunwind generic library Version: @VERSION@ Requires: libunwind Libs: -L${libdir} -lunwind-generic Cflags: -I${includedir} libunwind-1.3.2/src/os-qnx.c0000644000175000017500000000717613406755365012642 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2013 Garmin International Contributed by Matt Fischer This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "libunwind_i.h" struct cb_info { unw_word_t ip; unsigned long segbase; unsigned long offset; const char *path; }; static int callback(const struct dl_phdr_info *info, size_t size, void *data) { int i; struct cb_info *cbi = (struct cb_info*)data; for(i=0; idlpi_phnum; i++) { int segbase = info->dlpi_addr + info->dlpi_phdr[i].p_vaddr; if(cbi->ip >= segbase && cbi->ip < segbase + info->dlpi_phdr[i].p_memsz) { cbi->path = info->dlpi_name; cbi->offset = info->dlpi_phdr[i].p_offset; cbi->segbase = segbase; return 1; } } return 0; } int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen) { struct cb_info cbi; int ret = -1; cbi.ip = ip; cbi.segbase = 0; cbi.offset = 0; cbi.path = NULL; /* QNX's support for accessing symbol maps is severely broken. There is a devctl() call that can be made on a proc node (DCMD_PROC_MAPDEBUG) which returns information similar to Linux's /proc//maps node, however the filename that is returned by this call is not an absolute path, and there is no foolproof way to map the filename back to the file that it came from. Therefore, the normal approach for implementing this function, which works equally well for both local and remote unwinding, will not work here. The only type of image lookup which works reliably is locally, using dl_iterate_phdr(). However, the only time that this function is required to look up a remote image is for ptrace support, which doesn't work on QNX anyway. Local unwinding, which is the main case that makes use of this function, will work fine with dl_iterate_phdr(). Therefore, in lieu of any better platform support for remote image lookup, this function has just been implemented in terms of dl_iterate_phdr(). */ if (pid != getpid()) { /* Return an error if an attempt is made to perform remote image lookup */ return -1; } if (dl_iterate_phdr (callback, &cbi) != 0) { if (path) { strncpy (path, cbi.path, pathlen); } *mapoff = cbi.offset; *segbase = cbi.segbase; ret = elf_map_image (ei, cbi.path); } return ret; } #ifndef UNW_REMOTE_ONLY void tdep_get_exe_image_path (char *path) { path[0] = 0; /* XXX */ } #endif libunwind-1.3.2/src/ppc/0000755000175000017500000000000013640673450012072 500000000000000libunwind-1.3.2/src/ppc/Gget_save_loc.c0000644000175000017500000000257513406755365014736 00000000000000/* libunwind - a platform-independent unwind library Copied from src/x86_64/, modified slightly (or made empty stubs) for building frysk successfully on ppc64, by Wu Zhou This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { /* XXX: empty stub. */ return 0; } libunwind-1.3.2/src/ppc/Ginit_local.c0000644000175000017500000000455613406755365014422 00000000000000/* libunwind - a platform-independent unwind library Copied from src/x86_64/, modified slightly (or made empty stubs) for building frysk successfully on ppc64, by Wu Zhou This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #ifdef UNW_TARGET_PPC64 #include "../ppc64/init.h" #else #include "../ppc32/init.h" #endif #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { /* XXX: empty stub. */ return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; #ifdef UNW_TARGET_PPC64 return common_init_ppc64 (c, use_prev_instr); #else return common_init_ppc32 (c, use_prev_instr); #endif } int unw_init_local(unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ppc/longjmp.S0000644000175000017500000000274713406556425013620 00000000000000/* libunwind - a platform-independent unwind library Copied from src/x86_64/, modified slightly (or made empty stubs) for building frysk successfully on ppc64, by Wu Zhou This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_longjmp_cont .type _UI_longjmp_cont, @function _UI_longjmp_cont: .size _UI_longjmp_cont, .-_UI_longjmp_cont #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ppc/Ginit_remote.c0000644000175000017500000000362713406755365014621 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #ifdef UNW_TARGET_PPC64 #include "../ppc64/init.h" #else #include "../ppc32/init.h" #endif int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; #ifdef UNW_TARGET_PPC64 return common_init_ppc64 (c, 0); #elif UNW_TARGET_PPC32 return common_init_ppc32 (c, 0); #else #error init_remote :: NO VALID PPC ARCH! #endif #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/ppc/Linit_remote.c0000644000175000017500000000021013406556425014603 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/ppc/Linit_local.c0000644000175000017500000000020713406556425014410 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/ppc/Gis_signal_frame.c0000644000175000017500000000477213406755365015427 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include int unw_is_signal_frame (unw_cursor_t * cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, i0, i1, i2, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; as->validate = 1; /* Don't trust the ip */ arg = c->dwarf.as_arg; /* Check if return address points at sigreturn sequence. on ppc64 Linux that is (see libc.so): 0x38210080 addi r1, r1, 128 // pop the stack 0x380000ac li r0, 172 // invoke system service 172 0x44000002 sc */ ip = c->dwarf.ip; if (ip == 0) return 0; /* Read up two 8-byte words at the IP. We are only looking at 3 consecutive 32-bit words, so the second 8-byte word needs to be shifted right by 32 bits (think big-endian) */ a = unw_get_accessors_int (as); if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0) return 0; if (tdep_big_endian (as)) { i0 = w0 >> 32; i1 = w0 & 0xffffffffUL; i2 = w1 >> 32; } else { i0 = w0 & 0xffffffffUL; i1 = w0 >> 32; i2 = w1 & 0xffffffffUL; } return (i0 == 0x38210080 && i1 == 0x380000ac && i2 == 0x44000002); } libunwind-1.3.2/src/ppc/siglongjmp.S0000644000175000017500000000241413406556425014312 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_siglongjmp_cont _UI_siglongjmp_cont: #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ppc/Lget_save_loc.c0000644000175000017500000000021113406556425014720 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/ppc/Lis_signal_frame.c0000644000175000017500000000021413406556425015413 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/ppc/Gget_proc_info.c0000644000175000017500000000276413406755365015121 00000000000000/* libunwind - a platform-independent unwind library Copied from src/x86_64/, modified slightly (or made empty stubs) for building frysk successfully on ppc64, by Wu Zhou This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) return ret; *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/ppc/Lget_proc_info.c0000644000175000017500000000021213406556425015104 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/x86_64/0000755000175000017500000000000013640673450012246 500000000000000libunwind-1.3.2/src/x86_64/unwind_i.h0000644000175000017500000000644413406755365014171 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" #include /* DWARF column numbers for x86_64: */ #define RAX 0 #define RDX 1 #define RCX 2 #define RBX 3 #define RSI 4 #define RDI 5 #define RBP 6 #define RSP 7 #define R8 8 #define R9 9 #define R10 10 #define R11 11 #define R12 12 #define R13 13 #define R14 14 #define R15 15 #define RIP 16 #define x86_64_lock UNW_OBJ(lock) #define x86_64_local_resume UNW_OBJ(local_resume) #define x86_64_local_addr_space_init UNW_OBJ(local_addr_space_init) #define setcontext UNW_ARCH_OBJ (setcontext) #if 0 #define x86_64_scratch_loc UNW_OBJ(scratch_loc) #endif #define x86_64_r_uc_addr UNW_OBJ(r_uc_addr) #define x86_64_sigreturn UNW_OBJ(sigreturn) /* By-pass calls to access_mem() when known to be safe. */ #ifdef UNW_LOCAL_ONLY # undef ACCESS_MEM_FAST # define ACCESS_MEM_FAST(ret,validate,cur,addr,to) \ do { \ if (unlikely(validate)) \ (ret) = dwarf_get ((cur), DWARF_MEM_LOC ((cur), (addr)), &(to)); \ else \ (ret) = 0, (to) = *(unw_word_t *)(addr); \ } while (0) #endif extern void x86_64_local_addr_space_init (void); extern int x86_64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); extern int setcontext (const ucontext_t *ucp); #if 0 extern dwarf_loc_t x86_64_scratch_loc (struct cursor *c, unw_regnum_t reg); #endif extern void *x86_64_r_uc_addr (ucontext_t *uc, int reg); extern NORETURN void x86_64_sigreturn (unw_cursor_t *cursor); #define x86_64_handle_signal_frame UNW_OBJ(handle_signal_frame) extern int x86_64_handle_signal_frame(unw_cursor_t *cursor); #endif /* unwind_i_h */ libunwind-1.3.2/src/x86_64/Gget_save_loc.c0000644000175000017500000000446413640667603015106 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ switch (reg) { case UNW_X86_64_RBX: loc = c->dwarf.loc[RBX]; break; case UNW_X86_64_RSP: loc = c->dwarf.loc[RSP]; break; case UNW_X86_64_RBP: loc = c->dwarf.loc[RBP]; break; case UNW_X86_64_R12: loc = c->dwarf.loc[R12]; break; case UNW_X86_64_R13: loc = c->dwarf.loc[R13]; break; case UNW_X86_64_R14: loc = c->dwarf.loc[R14]; break; case UNW_X86_64_R15: loc = c->dwarf.loc[R15]; break; default: break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/x86_64/Los-linux.c0000644000175000017500000000020513406556425014223 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-linux.c" #endif libunwind-1.3.2/src/x86_64/Ginit_local.c0000644000175000017500000000437413640667603014571 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common (unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (unlikely (!tdep_init_done)) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = c; c->uc = uc; c->validate = 0; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/x86_64/Lapply_reg_state.c0000644000175000017500000000021413406755365015633 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/x86_64/Lstash_frame.c0000644000175000017500000000021013406556425014735 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstash_frame.c" #endif libunwind-1.3.2/src/x86_64/Gstash_frame.c0000644000175000017500000001166713640667603014753 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "ucontext_i.h" HIDDEN void tdep_stash_frame (struct dwarf_cursor *d, struct dwarf_reg_state *rs) { struct cursor *c = (struct cursor *) dwarf_to_cursor (d); unw_tdep_frame_t *f = &c->frame_info; Debug (4, "ip=0x%lx cfa=0x%lx type %d cfa [where=%d val=%ld] cfaoff=%ld" " ra=0x%lx rbp [where=%d val=%ld @0x%lx] rsp [where=%d val=%ld @0x%lx]\n", d->ip, d->cfa, f->frame_type, rs->reg.where[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_OFF_COLUMN], DWARF_GET_LOC(d->loc[rs->ret_addr_column]), rs->reg.where[RBP], rs->reg.val[RBP], DWARF_GET_LOC(d->loc[RBP]), rs->reg.where[RSP], rs->reg.val[RSP], DWARF_GET_LOC(d->loc[RSP])); if (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_EXPR && rs->reg.where[RBP] == DWARF_WHERE_EXPR) { /* Check for GCC generated alignment frame for rsp. A simple * def_cfa_expr that loads a constant offset from rbp, where the * addres of the rip was pushed on the stack */ unw_word_t cfa_addr = rs->reg.val[DWARF_CFA_REG_COLUMN]; unw_word_t rbp_addr = rs->reg.val[RBP]; unw_word_t cfa_offset; int ret = dwarf_stack_aligned(d, cfa_addr, rbp_addr, &cfa_offset); if (ret) { f->frame_type = UNW_X86_64_FRAME_ALIGNED; f->cfa_reg_offset = cfa_offset; f->cfa_reg_rsp = 0; } } /* A standard frame is defined as: - CFA is register-relative offset off RBP or RSP; - Return address is saved at CFA-8; - RBP is unsaved or saved at CFA+offset, offset != -1; - RSP is unsaved or saved at CFA+offset, offset != -1. */ if (f->frame_type == UNW_X86_64_FRAME_OTHER && (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_REG) && (rs->reg.val[DWARF_CFA_REG_COLUMN] == RBP || rs->reg.val[DWARF_CFA_REG_COLUMN] == RSP) && labs((long) rs->reg.val[DWARF_CFA_OFF_COLUMN]) < (1 << 28) && DWARF_GET_LOC(d->loc[rs->ret_addr_column]) == d->cfa-8 && (rs->reg.where[RBP] == DWARF_WHERE_UNDEF || rs->reg.where[RBP] == DWARF_WHERE_SAME || (rs->reg.where[RBP] == DWARF_WHERE_CFAREL && labs((long) rs->reg.val[RBP]) < (1 << 14) && rs->reg.val[RBP]+1 != 0)) && (rs->reg.where[RSP] == DWARF_WHERE_UNDEF || rs->reg.where[RSP] == DWARF_WHERE_SAME || (rs->reg.where[RSP] == DWARF_WHERE_CFAREL && labs((long) rs->reg.val[RSP]) < (1 << 14) && rs->reg.val[RSP]+1 != 0))) { /* Save information for a standard frame. */ f->frame_type = UNW_X86_64_FRAME_STANDARD; f->cfa_reg_rsp = (rs->reg.val[DWARF_CFA_REG_COLUMN] == RSP); f->cfa_reg_offset = rs->reg.val[DWARF_CFA_OFF_COLUMN]; if (rs->reg.where[RBP] == DWARF_WHERE_CFAREL) f->rbp_cfa_offset = rs->reg.val[RBP]; if (rs->reg.where[RSP] == DWARF_WHERE_CFAREL) f->rsp_cfa_offset = rs->reg.val[RSP]; Debug (4, " standard frame\n"); } /* Signal frame was detected via augmentation in tdep_fetch_frame() */ else if (f->frame_type == UNW_X86_64_FRAME_SIGRETURN) { /* Later we are going to fish out {RBP,RSP,RIP} from sigcontext via their ucontext_t offsets. Confirm DWARF info agrees with the offsets we expect. */ #ifndef NDEBUG const unw_word_t uc = c->sigcontext_addr; assert (DWARF_GET_LOC(d->loc[RIP]) - uc == UC_MCONTEXT_GREGS_RIP); assert (DWARF_GET_LOC(d->loc[RBP]) - uc == UC_MCONTEXT_GREGS_RBP); assert (DWARF_GET_LOC(d->loc[RSP]) - uc == UC_MCONTEXT_GREGS_RSP); #endif Debug (4, " sigreturn frame\n"); } else if (f->frame_type == UNW_X86_64_FRAME_ALIGNED) { Debug (4, " aligned frame, offset %li\n", f->cfa_reg_offset); } /* PLT and guessed RBP-walked frames are handled in unw_step(). */ else Debug (4, " unusual frame\n"); } libunwind-1.3.2/src/x86_64/longjmp.S0000644000175000017500000000276013406556425013767 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_longjmp_cont .type _UI_longjmp_cont, @function _UI_longjmp_cont: push %rax /* push target IP as return address */ mov %rdx, %rax /* set up return-value */ retq .size _UI_longjmp_cont, .-_UI_longjmp_cont /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86_64/Greg_states_iterate.c0000644000175000017500000000277613406755365016340 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/x86_64/Lregs.c0000644000175000017500000000020113406556425013401 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/x86_64/Gtrace.c0000644000175000017500000004506413406755365013556 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "ucontext_i.h" #include #include #pragma weak pthread_once #pragma weak pthread_key_create #pragma weak pthread_getspecific #pragma weak pthread_setspecific /* Initial hash table size. Table expands by 2 bits (times four). */ #define HASH_MIN_BITS 14 typedef struct { unw_tdep_frame_t *frames; size_t log_size; size_t used; size_t dtor_count; /* Counts how many times our destructor has already been called. */ } unw_trace_cache_t; static const unw_tdep_frame_t empty_frame = { 0, UNW_X86_64_FRAME_OTHER, -1, -1, 0, -1, -1 }; static define_lock (trace_init_lock); static pthread_once_t trace_cache_once = PTHREAD_ONCE_INIT; static sig_atomic_t trace_cache_once_happen; static pthread_key_t trace_cache_key; static struct mempool trace_cache_pool; static __thread unw_trace_cache_t *tls_cache; static __thread int tls_cache_destroyed; /* Free memory for a thread's trace cache. */ static void trace_cache_free (void *arg) { unw_trace_cache_t *cache = arg; if (++cache->dtor_count < PTHREAD_DESTRUCTOR_ITERATIONS) { /* Not yet our turn to get destroyed. Re-install ourselves into the key. */ pthread_setspecific(trace_cache_key, cache); Debug(5, "delayed freeing cache %p (%zx to go)\n", cache, PTHREAD_DESTRUCTOR_ITERATIONS - cache->dtor_count); return; } tls_cache_destroyed = 1; tls_cache = NULL; munmap (cache->frames, (1u << cache->log_size) * sizeof(unw_tdep_frame_t)); mempool_free (&trace_cache_pool, cache); Debug(5, "freed cache %p\n", cache); } /* Initialise frame tracing for threaded use. */ static void trace_cache_init_once (void) { pthread_key_create (&trace_cache_key, &trace_cache_free); mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); trace_cache_once_happen = 1; } static unw_tdep_frame_t * trace_cache_buckets (size_t n) { unw_tdep_frame_t *frames; size_t i; GET_MEMORY(frames, n * sizeof (unw_tdep_frame_t)); if (likely(frames != NULL)) for (i = 0; i < n; ++i) frames[i] = empty_frame; return frames; } /* Allocate and initialise hash table for frame cache lookups. Returns the cache initialised with (1u << HASH_LOW_BITS) hash buckets, or NULL if there was a memory allocation problem. */ static unw_trace_cache_t * trace_cache_create (void) { unw_trace_cache_t *cache; if (tls_cache_destroyed) { /* The current thread is in the process of exiting. Don't recreate cache, as we wouldn't have another chance to free it. */ Debug(5, "refusing to reallocate cache: " "thread-locals are being deallocated\n"); return NULL; } if (! (cache = mempool_alloc(&trace_cache_pool))) { Debug(5, "failed to allocate cache\n"); return NULL; } if (! (cache->frames = trace_cache_buckets(1u << HASH_MIN_BITS))) { Debug(5, "failed to allocate buckets\n"); mempool_free(&trace_cache_pool, cache); return NULL; } cache->log_size = HASH_MIN_BITS; cache->used = 0; cache->dtor_count = 0; tls_cache_destroyed = 0; /* Paranoia: should already be 0. */ Debug(5, "allocated cache %p\n", cache); return cache; } /* Expand the hash table in the frame cache if possible. This always quadruples the hash size, and clears all previous frame entries. */ static int trace_cache_expand (unw_trace_cache_t *cache) { size_t old_size = (1u << cache->log_size); size_t new_log_size = cache->log_size + 2; unw_tdep_frame_t *new_frames = trace_cache_buckets (1u << new_log_size); if (unlikely(! new_frames)) { Debug(5, "failed to expand cache to 2^%lu buckets\n", new_log_size); return -UNW_ENOMEM; } Debug(5, "expanded cache from 2^%lu to 2^%lu buckets\n", cache->log_size, new_log_size); munmap(cache->frames, old_size * sizeof(unw_tdep_frame_t)); cache->frames = new_frames; cache->log_size = new_log_size; cache->used = 0; return 0; } static unw_trace_cache_t * trace_cache_get_unthreaded (void) { unw_trace_cache_t *cache; intrmask_t saved_mask; static unw_trace_cache_t *global_cache = NULL; lock_acquire (&trace_init_lock, saved_mask); if (! global_cache) { mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); global_cache = trace_cache_create (); } cache = global_cache; lock_release (&trace_init_lock, saved_mask); Debug(5, "using cache %p\n", cache); return cache; } /* Get the frame cache for the current thread. Create it if there is none. */ static unw_trace_cache_t * trace_cache_get (void) { unw_trace_cache_t *cache; if (likely (pthread_once != NULL)) { pthread_once(&trace_cache_once, &trace_cache_init_once); if (!trace_cache_once_happen) { return trace_cache_get_unthreaded(); } if (! (cache = tls_cache)) { cache = trace_cache_create(); pthread_setspecific(trace_cache_key, cache); tls_cache = cache; } Debug(5, "using cache %p\n", cache); return cache; } else { return trace_cache_get_unthreaded(); } } /* Initialise frame properties for address cache slot F at address RIP using current CFA, RBP and RSP values. Modifies CURSOR to that location, performs one unw_step(), and fills F with what was discovered about the location. Returns F. FIXME: This probably should tell DWARF handling to never evaluate or use registers other than RBP, RSP and RIP in case there is highly unusual unwind info which uses these creatively. */ static unw_tdep_frame_t * trace_init_addr (unw_tdep_frame_t *f, unw_cursor_t *cursor, unw_word_t cfa, unw_word_t rip, unw_word_t rbp, unw_word_t rsp) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; int ret = -UNW_EINVAL; /* Initialise frame properties: unknown, not last. */ f->virtual_address = rip; f->frame_type = UNW_X86_64_FRAME_OTHER; f->last_frame = 0; f->cfa_reg_rsp = -1; f->cfa_reg_offset = 0; f->rbp_cfa_offset = -1; f->rsp_cfa_offset = -1; /* Reinitialise cursor to this instruction - but undo next/prev RIP adjustment because unw_step will redo it - and force RIP, RBP RSP into register locations (=~ ucontext we keep), then set their desired values. Then perform the step. */ d->ip = rip + d->use_prev_instr; d->cfa = cfa; d->loc[UNW_X86_64_RIP] = DWARF_REG_LOC (d, UNW_X86_64_RIP); d->loc[UNW_X86_64_RBP] = DWARF_REG_LOC (d, UNW_X86_64_RBP); d->loc[UNW_X86_64_RSP] = DWARF_REG_LOC (d, UNW_X86_64_RSP); c->frame_info = *f; if (likely(dwarf_put (d, d->loc[UNW_X86_64_RIP], rip) >= 0) && likely(dwarf_put (d, d->loc[UNW_X86_64_RBP], rbp) >= 0) && likely(dwarf_put (d, d->loc[UNW_X86_64_RSP], rsp) >= 0) && likely((ret = unw_step (cursor)) >= 0)) *f = c->frame_info; /* If unw_step() stopped voluntarily, remember that, even if it otherwise could not determine anything useful. This avoids failing trace if we hit frames without unwind info, which is common for the outermost frame (CRT stuff) on many systems. This avoids failing trace in very common circumstances; failing to unw_step() loop wouldn't produce any better result. */ if (ret == 0) f->last_frame = -1; Debug (3, "frame va %lx type %d last %d cfa %s+%d rbp @ cfa%+d rsp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_rsp ? "rsp" : "rbp", f->cfa_reg_offset, f->rbp_cfa_offset, f->rsp_cfa_offset); return f; } /* Look up and if necessary fill in frame attributes for address RIP in CACHE using current CFA, RBP and RSP values. Uses CURSOR to perform any unwind steps necessary to fill the cache. Returns the frame cache slot which describes RIP. */ static unw_tdep_frame_t * trace_lookup (unw_cursor_t *cursor, unw_trace_cache_t *cache, unw_word_t cfa, unw_word_t rip, unw_word_t rbp, unw_word_t rsp) { /* First look up for previously cached information using cache as linear probing hash table with probe step of 1. Majority of lookups should be completed within few steps, but it is very important the hash table does not fill up, or performance falls off the cliff. */ uint64_t i, addr; uint64_t cache_size = 1u << cache->log_size; uint64_t slot = ((rip * 0x9e3779b97f4a7c16) >> 43) & (cache_size-1); unw_tdep_frame_t *frame; for (i = 0; i < 16; ++i) { frame = &cache->frames[slot]; addr = frame->virtual_address; /* Return if we found the address. */ if (likely(addr == rip)) { Debug (4, "found address after %ld steps\n", i); return frame; } /* If slot is empty, reuse it. */ if (likely(! addr)) break; /* Linear probe to next slot candidate, step = 1. */ if (++slot >= cache_size) slot -= cache_size; } /* If we collided after 16 steps, or if the hash is more than half full, force the hash to expand. Fill the selected slot, whether it's free or collides. Note that hash expansion drops previous contents; further lookups will refill the hash. */ Debug (4, "updating slot %lu after %ld steps, replacing 0x%lx\n", slot, i, addr); if (unlikely(addr || cache->used >= cache_size / 2)) { if (unlikely(trace_cache_expand (cache) < 0)) return NULL; cache_size = 1u << cache->log_size; slot = ((rip * 0x9e3779b97f4a7c16) >> 43) & (cache_size-1); frame = &cache->frames[slot]; addr = frame->virtual_address; } if (! addr) ++cache->used; return trace_init_addr (frame, cursor, cfa, rip, rbp, rsp); } /* Fast stack backtrace for x86-64. This is used by backtrace() implementation to accelerate frequent queries for current stack, without any desire to unwind. It fills BUFFER with the call tree from CURSOR upwards for at most SIZE stack levels. The first frame, backtrace itself, is omitted. When called, SIZE should give the maximum number of entries that can be stored into BUFFER. Uses an internal thread-specific cache to accelerate queries. The caller should fall back to a unw_step() loop if this function fails by returning -UNW_ESTOPUNWIND, meaning the routine hit a stack frame that is too complex to be traced in the fast path. This function is tuned for clients which only need to walk the stack to get the call tree as fast as possible but without any other details, for example profilers sampling the stack thousands to millions of times per second. The routine handles the most common x86-64 ABI stack layouts: CFA is RBP or RSP plus/minus constant offset, return address is at CFA-8, and RBP and RSP are either unchanged or saved on stack at constant offset from the CFA; the signal return frame; and frames without unwind info provided they are at the outermost (final) frame or can conservatively be assumed to be frame-pointer based. Any other stack layout will cause the routine to give up. There are only a handful of relatively rarely used functions which do not have a stack in the standard form: vfork, longjmp, setcontext and _dl_runtime_profile on common linux systems for example. On success BUFFER and *SIZE reflect the trace progress up to *SIZE stack levels or the outermost frame, which ever is less. It may stop short of outermost frame if unw_step() loop would also do so, e.g. if there is no more unwind information; this is not reported as an error. The function returns a negative value for errors, -UNW_ESTOPUNWIND if tracing stopped because of an unusual frame unwind info. The BUFFER and *SIZE reflect tracing progress up to the error frame. Callers of this function would normally look like this: unw_cursor_t cur; unw_context_t ctx; void addrs[128]; int depth = 128; int ret; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); if ((ret = unw_tdep_trace(&cur, addrs, &depth)) < 0) { depth = 0; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); while ((ret = unw_step(&cur)) > 0 && depth < 128) { unw_word_t ip; unw_get_reg(&cur, UNW_REG_IP, &ip); addresses[depth++] = (void *) ip; } } */ HIDDEN int tdep_trace (unw_cursor_t *cursor, void **buffer, int *size) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; unw_trace_cache_t *cache; unw_word_t rbp, rsp, rip, cfa; int maxdepth = 0; int depth = 0; int ret; /* Check input parametres. */ if (unlikely(! cursor || ! buffer || ! size || (maxdepth = *size) <= 0)) return -UNW_EINVAL; Debug (1, "begin ip 0x%lx cfa 0x%lx\n", d->ip, d->cfa); /* Tell core dwarf routines to call back to us. */ d->stash_frames = 1; /* Determine initial register values. These are direct access safe because we know they come from the initial machine context. */ rip = d->ip; rsp = cfa = d->cfa; ACCESS_MEM_FAST(ret, 0, d, DWARF_GET_LOC(d->loc[UNW_X86_64_RBP]), rbp); assert(ret == 0); /* Get frame cache. */ if (unlikely(! (cache = trace_cache_get()))) { Debug (1, "returning %d, cannot get trace cache\n", -UNW_ENOMEM); *size = 0; d->stash_frames = 0; return -UNW_ENOMEM; } /* Trace the stack upwards, starting from current RIP. Adjust the RIP address for previous/next instruction as the main unwinding logic would also do. We undo this before calling back into unw_step(). */ while (depth < maxdepth) { rip -= d->use_prev_instr; Debug (2, "depth %d cfa 0x%lx rip 0x%lx rsp 0x%lx rbp 0x%lx\n", depth, cfa, rip, rsp, rbp); /* See if we have this address cached. If not, evaluate enough of the dwarf unwind information to fill the cache line data, or to decide this frame cannot be handled in fast trace mode. We cache negative results too to prevent unnecessary dwarf parsing for common failures. */ unw_tdep_frame_t *f = trace_lookup (cursor, cache, cfa, rip, rbp, rsp); /* If we don't have information for this frame, give up. */ if (unlikely(! f)) { ret = -UNW_ENOINFO; break; } Debug (3, "frame va %lx type %d last %d cfa %s+%d rbp @ cfa%+d rsp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_rsp ? "rsp" : "rbp", f->cfa_reg_offset, f->rbp_cfa_offset, f->rsp_cfa_offset); assert (f->virtual_address == rip); /* Stop if this was the last frame. In particular don't evaluate new register values as it may not be safe - we don't normally run with full validation on, and do not want to - and there's enough bad unwind info floating around that we need to trust what unw_step() previously said, in potentially bogus frames. */ if (f->last_frame) break; /* Evaluate CFA and registers for the next frame. */ switch (f->frame_type) { case UNW_X86_64_FRAME_GUESSED: /* Fall thru to standard processing after forcing validation. */ c->validate = 1; case UNW_X86_64_FRAME_STANDARD: /* Advance standard traceable frame. */ cfa = (f->cfa_reg_rsp ? rsp : rbp) + f->cfa_reg_offset; ACCESS_MEM_FAST(ret, c->validate, d, cfa - 8, rip); if (likely(ret >= 0) && likely(f->rbp_cfa_offset != -1)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + f->rbp_cfa_offset, rbp); /* Don't bother reading RSP from DWARF, CFA becomes new RSP. */ rsp = cfa; /* Next frame needs to back up for unwind info lookup. */ d->use_prev_instr = 1; break; case UNW_X86_64_FRAME_SIGRETURN: cfa = cfa + f->cfa_reg_offset; /* cfa now points to ucontext_t. */ ACCESS_MEM_FAST(ret, c->validate, d, cfa + UC_MCONTEXT_GREGS_RIP, rip); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + UC_MCONTEXT_GREGS_RBP, rbp); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + UC_MCONTEXT_GREGS_RSP, rsp); /* Resume stack at signal restoration point. The stack is not necessarily continuous here, especially with sigaltstack(). */ cfa = rsp; /* Next frame should not back up. */ d->use_prev_instr = 0; break; case UNW_X86_64_FRAME_ALIGNED: /* Address of RIP was pushed on the stack via a simple * def_cfa_expr - result stack offset stored in cfa_reg_offset */ cfa = (f->cfa_reg_rsp ? rsp : rbp) + f->cfa_reg_offset; ACCESS_MEM_FAST(ret, c->validate, d, cfa, cfa); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa - 8, rip); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, rbp, rbp); /* Don't bother reading RSP from DWARF, CFA becomes new RSP. */ rsp = cfa; /* Next frame needs to back up for unwind info lookup. */ d->use_prev_instr = 1; break; default: /* We cannot trace through this frame, give up and tell the caller we had to stop. Data collected so far may still be useful to the caller, so let it know how far we got. */ ret = -UNW_ESTOPUNWIND; break; } Debug (4, "new cfa 0x%lx rip 0x%lx rsp 0x%lx rbp 0x%lx\n", cfa, rip, rsp, rbp); /* If we failed or ended up somewhere bogus, stop. */ if (unlikely(ret < 0 || rip < 0x4000)) break; /* Record this address in stack trace. We skipped the first address. */ buffer[depth++] = (void *) (rip - d->use_prev_instr); } #if UNW_DEBUG Debug (1, "returning %d, depth %d\n", ret, depth); #endif *size = depth; return ret; } libunwind-1.3.2/src/x86_64/regname.c0000644000175000017500000000304013406755365013753 00000000000000/* libunwind - a platform-independent unwind library Contributed by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { "RAX", "RDX", "RCX", "RBX", "RSI", "RDI", "RBP", "RSP", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", "RIP", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/x86_64/Ginit_remote.c0000644000175000017500000000351113640667603014762 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; if (as == unw_local_addr_space) { c->dwarf.as_arg = c; c->uc = as_arg; } else { c->dwarf.as_arg = as_arg; c->uc = NULL; } return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/x86_64/Linit_remote.c0000644000175000017500000000021013406556425014757 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/x86_64/Gstep.c0000644000175000017500000001670513640667603013430 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include /* Recognise PLT entries such as: 3bdf0: ff 25 e2 49 13 00 jmpq *0x1349e2(%rip) 3bdf6: 68 ae 03 00 00 pushq $0x3ae 3bdfb: e9 00 c5 ff ff jmpq 38300 <_init+0x18> */ static int is_plt_entry (struct dwarf_cursor *c) { unw_word_t w0, w1; unw_accessors_t *a; int ret; a = unw_get_accessors_int (c->as); if ((ret = (*a->access_mem) (c->as, c->ip, &w0, 0, c->as_arg)) < 0 || (ret = (*a->access_mem) (c->as, c->ip + 8, &w1, 0, c->as_arg)) < 0) return 0; ret = (((w0 & 0xffff) == 0x25ff) && (((w0 >> 48) & 0xff) == 0x68) && (((w1 >> 24) & 0xff) == 0xe9)); Debug (14, "ip=0x%lx => 0x%016lx 0x%016lx, ret = %d\n", c->ip, w0, w1, ret); return ret; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret, i; #if CONSERVATIVE_CHECKS int val = c->validate; c->validate = 1; #endif Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx)\n", c, c->dwarf.ip, c->dwarf.cfa); /* Try DWARF-based unwinding... */ c->sigcontext_format = X86_64_SCF_NONE; ret = dwarf_step (&c->dwarf); #if CONSERVATIVE_CHECKS c->validate = val; #endif if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } if (likely (ret >= 0)) { /* x86_64 ABI specifies that end of call-chain is marked with a NULL RBP or undefined return address */ if (DWARF_IS_NULL_LOC (c->dwarf.loc[RBP])) { c->dwarf.ip = 0; ret = 0; } } else { /* DWARF failed. There isn't much of a usable frame-chain on x86-64, but we do need to handle two special-cases: (i) signal trampoline: Old kernels and older libcs don't export the vDSO needed to get proper unwind info for the trampoline. Recognize that case by looking at the code and filling in things by hand. (ii) PLT (shared-library) call-stubs: PLT stubs are invoked via CALLQ. Try this for all non-signal trampoline code. */ unw_word_t prev_ip = c->dwarf.ip, prev_cfa = c->dwarf.cfa; struct dwarf_loc rbp_loc, rsp_loc, rip_loc; /* We could get here because of missing/bad unwind information. Validate all addresses before dereferencing. */ c->validate = 1; Debug (13, "dwarf_step() failed (ret=%d), trying frame-chain\n", ret); if (unw_is_signal_frame (cursor) > 0) { ret = x86_64_handle_signal_frame(cursor); if (ret < 0) { Debug (2, "returning 0\n"); return 0; } } else if (is_plt_entry (&c->dwarf)) { /* Like regular frame, CFA = RSP+8, RA = [CFA-8], no regs saved. */ Debug (2, "found plt entry\n"); c->frame_info.cfa_reg_offset = 8; c->frame_info.cfa_reg_rsp = -1; c->frame_info.frame_type = UNW_X86_64_FRAME_STANDARD; c->dwarf.loc[RIP] = DWARF_LOC (c->dwarf.cfa, 0); c->dwarf.cfa += 8; } else if (DWARF_IS_NULL_LOC (c->dwarf.loc[RBP])) { for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; } else { unw_word_t rbp; ret = dwarf_get (&c->dwarf, c->dwarf.loc[RBP], &rbp); if (ret < 0) { Debug (2, "returning %d [RBP=0x%lx]\n", ret, DWARF_GET_LOC (c->dwarf.loc[RBP])); return ret; } if (!rbp) { /* Looks like we may have reached the end of the call-chain. */ rbp_loc = DWARF_NULL_LOC; rsp_loc = DWARF_NULL_LOC; rip_loc = DWARF_NULL_LOC; } else { unw_word_t rbp1 = 0; rbp_loc = DWARF_LOC(rbp, 0); rsp_loc = DWARF_NULL_LOC; rip_loc = DWARF_LOC (rbp + 8, 0); ret = dwarf_get (&c->dwarf, rbp_loc, &rbp1); Debug (1, "[RBP=0x%lx] = 0x%lx (cfa = 0x%lx) -> 0x%lx\n", (unsigned long) DWARF_GET_LOC (c->dwarf.loc[RBP]), rbp, c->dwarf.cfa, rbp1); /* Heuristic to determine incorrect guess. For RBP to be a valid frame it needs to be above current CFA, but don't let it go more than a little. Note that we can't deduce anything about new RBP (rbp1) since it may not be a frame pointer in the frame above. Just check we get the value. */ if (ret < 0 || rbp < c->dwarf.cfa || (rbp - c->dwarf.cfa) > 0x4000) { rip_loc = DWARF_NULL_LOC; rbp_loc = DWARF_NULL_LOC; } c->frame_info.frame_type = UNW_X86_64_FRAME_GUESSED; c->frame_info.cfa_reg_rsp = 0; c->frame_info.cfa_reg_offset = 16; c->frame_info.rbp_cfa_offset = -16; c->dwarf.cfa += 16; } /* Mark all registers unsaved */ for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; c->dwarf.loc[RBP] = rbp_loc; c->dwarf.loc[RSP] = rsp_loc; c->dwarf.loc[RIP] = rip_loc; c->dwarf.use_prev_instr = 1; } if (DWARF_IS_NULL_LOC (c->dwarf.loc[RBP])) { ret = 0; Debug (2, "NULL %%rbp loc, returning %d\n", ret); return ret; } if (!DWARF_IS_NULL_LOC (c->dwarf.loc[RIP])) { ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip); Debug (1, "Frame Chain [RIP=0x%Lx] = 0x%Lx\n", (unsigned long long) DWARF_GET_LOC (c->dwarf.loc[RIP]), (unsigned long long) c->dwarf.ip); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } ret = 1; } else c->dwarf.ip = 0; if (c->dwarf.ip == prev_ip && c->dwarf.cfa == prev_cfa) return -UNW_EBADFRAME; } Debug (2, "returning %d\n", ret); return ret; } libunwind-1.3.2/src/x86_64/setcontext.S0000644000175000017500000000541613640667603014523 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2007 Google, Inc Contributed by Arun Sharma Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ucontext_i.h" /* int _Ux86_64_setcontext (const ucontext_t *ucp) Restores the machine context provided. Unlike the libc implementation, doesn't clobber %rax */ .global _Ux86_64_setcontext .type _Ux86_64_setcontext, @function _Ux86_64_setcontext: #if defined __linux__ /* restore fp state */ mov UC_MCONTEXT_FPREGS_PTR(%rdi),%r8 fldenv (%r8) ldmxcsr FPREGS_OFFSET_MXCSR(%r8) #elif defined __FreeBSD__ /* restore fp state */ cmpq $UC_MCONTEXT_FPOWNED_FPU,UC_MCONTEXT_OWNEDFP(%rdi) jne 1f cmpq $UC_MCONTEXT_FPFMT_XMM,UC_MCONTEXT_FPFORMAT(%rdi) jne 1f fxrstor UC_MCONTEXT_FPSTATE(%rdi) 1: #else #error Port me #endif /* restore the rest of the state */ mov UC_MCONTEXT_GREGS_R8(%rdi),%r8 mov UC_MCONTEXT_GREGS_R9(%rdi),%r9 mov UC_MCONTEXT_GREGS_RBX(%rdi),%rbx mov UC_MCONTEXT_GREGS_RBP(%rdi),%rbp mov UC_MCONTEXT_GREGS_R12(%rdi),%r12 mov UC_MCONTEXT_GREGS_R13(%rdi),%r13 mov UC_MCONTEXT_GREGS_R14(%rdi),%r14 mov UC_MCONTEXT_GREGS_R15(%rdi),%r15 mov UC_MCONTEXT_GREGS_RSI(%rdi),%rsi mov UC_MCONTEXT_GREGS_RDX(%rdi),%rdx mov UC_MCONTEXT_GREGS_RAX(%rdi),%rax mov UC_MCONTEXT_GREGS_RCX(%rdi),%rcx mov UC_MCONTEXT_GREGS_RSP(%rdi),%rsp /* push the return address on the stack */ mov UC_MCONTEXT_GREGS_RIP(%rdi),%rcx push %rcx mov UC_MCONTEXT_GREGS_RCX(%rdi),%rcx mov UC_MCONTEXT_GREGS_RDI(%rdi),%rdi retq .size _Ux86_64_setcontext, . - _Ux86_64_setcontext /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86_64/Linit_local.c0000644000175000017500000000020713406556425014564 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/x86_64/Linit.c0000644000175000017500000000020113406556425013404 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/x86_64/ucontext_i.h0000644000175000017500000000623413640667603014530 00000000000000/* Copyright (C) 2004 Hewlett-Packard Co. Contributed by David Mosberger-Tang . This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #if defined __linux__ #define UC_MCONTEXT_GREGS_R8 0x28 #define UC_MCONTEXT_GREGS_R9 0x30 #define UC_MCONTEXT_GREGS_R10 0x38 #define UC_MCONTEXT_GREGS_R11 0x40 #define UC_MCONTEXT_GREGS_R12 0x48 #define UC_MCONTEXT_GREGS_R13 0x50 #define UC_MCONTEXT_GREGS_R14 0x58 #define UC_MCONTEXT_GREGS_R15 0x60 #define UC_MCONTEXT_GREGS_RDI 0x68 #define UC_MCONTEXT_GREGS_RSI 0x70 #define UC_MCONTEXT_GREGS_RBP 0x78 #define UC_MCONTEXT_GREGS_RBX 0x80 #define UC_MCONTEXT_GREGS_RDX 0x88 #define UC_MCONTEXT_GREGS_RAX 0x90 #define UC_MCONTEXT_GREGS_RCX 0x98 #define UC_MCONTEXT_GREGS_RSP 0xa0 #define UC_MCONTEXT_GREGS_RIP 0xa8 #define UC_MCONTEXT_FPREGS_PTR 0x1a8 #define UC_MCONTEXT_FPREGS_MEM 0xe0 #define UC_SIGMASK 0x128 #define FPREGS_OFFSET_MXCSR 0x18 #elif defined __FreeBSD__ #define UC_SIGMASK 0x0 #define UC_MCONTEXT_GREGS_RDI 0x18 #define UC_MCONTEXT_GREGS_RSI 0x20 #define UC_MCONTEXT_GREGS_RDX 0x28 #define UC_MCONTEXT_GREGS_RCX 0x30 #define UC_MCONTEXT_GREGS_R8 0x38 #define UC_MCONTEXT_GREGS_R9 0x40 #define UC_MCONTEXT_GREGS_RAX 0x48 #define UC_MCONTEXT_GREGS_RBX 0x50 #define UC_MCONTEXT_GREGS_RBP 0x58 #define UC_MCONTEXT_GREGS_R10 0x60 #define UC_MCONTEXT_GREGS_R11 0x68 #define UC_MCONTEXT_GREGS_R12 0x70 #define UC_MCONTEXT_GREGS_R13 0x78 #define UC_MCONTEXT_GREGS_R14 0x80 #define UC_MCONTEXT_GREGS_R15 0x88 #define UC_MCONTEXT_FS 0x94 #define UC_MCONTEXT_GS 0x96 #define UC_MCONTEXT_FLAGS 0xa0 #define UC_MCONTEXT_ES 0xa4 #define UC_MCONTEXT_DS 0xa6 #define UC_MCONTEXT_GREGS_RIP 0xb0 #define UC_MCONTEXT_CS 0xb8 #define UC_MCONTEXT_RFLAGS 0xc0 #define UC_MCONTEXT_GREGS_RSP 0xc8 #define UC_MCONTEXT_SS 0xd0 #define UC_MCONTEXT_MC_LEN 0xd8 #define UC_MCONTEXT_FPFORMAT 0xe0 #define UC_MCONTEXT_OWNEDFP 0xe8 #define UC_MCONTEXT_FPSTATE 0xf0 #define UC_MCONTEXT_FPOWNED_FPU 0x20001 #define UC_MCONTEXT_FPFMT_XMM 0x10002 #define UC_MCONTEXT_MC_LEN_VAL 0x320 #endif libunwind-1.3.2/src/x86_64/Ginit.c0000644000175000017500000002070613640673374013416 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } #define PAGE_SIZE 4096 #define PAGE_START(a) ((a) & ~(PAGE_SIZE-1)) static int mem_validate_pipe[2] = {-1, -1}; static inline void open_pipe (void) { /* ignore errors for closing invalid fd's */ close (mem_validate_pipe[0]); close (mem_validate_pipe[1]); pipe2 (mem_validate_pipe, O_CLOEXEC | O_NONBLOCK); } ALWAYS_INLINE static int write_validate (void *addr) { int ret = -1; ssize_t bytes = 0; do { char buf; bytes = read (mem_validate_pipe[0], &buf, 1); } while ( errno == EINTR ); int valid_read = (bytes > 0 || errno == EAGAIN || errno == EWOULDBLOCK); if (!valid_read) { // re-open closed pipe open_pipe (); } do { /* use syscall insteadof write() so that ASAN does not complain */ ret = syscall (SYS_write, mem_validate_pipe[1], addr, 1); } while ( errno == EINTR ); return ret; } static int (*mem_validate_func) (void *addr, size_t len); static int msync_validate (void *addr, size_t len) { if (msync (addr, len, MS_ASYNC) != 0) { return -1; } return write_validate (addr); } #ifdef HAVE_MINCORE static int mincore_validate (void *addr, size_t len) { unsigned char mvec[2]; /* Unaligned access may cross page boundary */ size_t i; /* mincore could fail with EAGAIN but we conservatively return -1 instead of looping. */ if (mincore (addr, len, mvec) != 0) { return -1; } return write_validate (addr); } #endif /* Initialise memory validation method. On linux kernels <2.6.21, mincore() returns incorrect value for MAP_PRIVATE mappings, such as stacks. If mincore() was available at compile time, check if we can actually use it. If not, use msync() instead. */ HIDDEN void tdep_init_mem_validate (void) { open_pipe (); #ifdef HAVE_MINCORE unsigned char present = 1; unw_word_t addr = PAGE_START((unw_word_t)&present); unsigned char mvec[1]; int ret; while ((ret = mincore ((void*)addr, PAGE_SIZE, mvec)) == -1 && errno == EAGAIN) {} if (ret == 0) { Debug(1, "using mincore to validate memory\n"); mem_validate_func = mincore_validate; } else #endif { Debug(1, "using msync to validate memory\n"); mem_validate_func = msync_validate; } } /* Cache of already validated addresses */ #define NLGA 4 static unw_word_t last_good_addr[NLGA]; static int lga_victim; static int validate_mem (unw_word_t addr) { int i, victim; size_t len; if (PAGE_START(addr + sizeof (unw_word_t) - 1) == PAGE_START(addr)) len = PAGE_SIZE; else len = PAGE_SIZE * 2; addr = PAGE_START(addr); if (addr == 0) return -1; for (i = 0; i < NLGA; i++) { if (last_good_addr[i] && (addr == last_good_addr[i])) return 0; } if (mem_validate_func ((void *) addr, len) == -1) return -1; victim = lga_victim; for (i = 0; i < NLGA; i++) { if (!last_good_addr[victim]) { last_good_addr[victim++] = addr; return 0; } victim = (victim + 1) % NLGA; } /* All slots full. Evict the victim. */ last_good_addr[victim] = addr; victim = (victim + 1) % NLGA; lga_victim = victim; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (unlikely (write)) { Debug (16, "mem[%016lx] <- %lx\n", addr, *val); *(unw_word_t *) addr = *val; } else { /* validate address */ const struct cursor *c = (const struct cursor *)arg; if (likely (c != NULL) && unlikely (c->validate) && unlikely (validate_mem (addr))) { Debug (16, "mem[%016lx] -> invalid\n", addr); return -1; } *val = *(unw_word_t *) addr; Debug (16, "mem[%016lx] -> %lx\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = ((struct cursor *)arg)->uc; if (unw_is_fpreg (reg)) goto badreg; if (!(addr = x86_64_r_uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- 0x%016lx\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> 0x%016lx\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = ((struct cursor *)arg)->uc; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = x86_64_r_uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void x86_64_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = x86_64_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); memset (last_good_addr, 0, sizeof (unw_word_t) * NLGA); lga_victim = 0; } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/x86_64/Gglobal.c0000644000175000017500000000534513640667603013713 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "config.h" #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (x86_64_lock); HIDDEN int tdep_init_done; /* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c. */ HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_NUM_PRESERVED_REGS] = { UNW_X86_64_RAX, UNW_X86_64_RDX, UNW_X86_64_RCX, UNW_X86_64_RBX, UNW_X86_64_RSI, UNW_X86_64_RDI, UNW_X86_64_RBP, UNW_X86_64_RSP, UNW_X86_64_R8, UNW_X86_64_R9, UNW_X86_64_R10, UNW_X86_64_R11, UNW_X86_64_R12, UNW_X86_64_R13, UNW_X86_64_R14, UNW_X86_64_R15, UNW_X86_64_RIP, #ifdef CONFIG_MSABI_SUPPORT UNW_X86_64_XMM0, UNW_X86_64_XMM1, UNW_X86_64_XMM2, UNW_X86_64_XMM3, UNW_X86_64_XMM4, UNW_X86_64_XMM5, UNW_X86_64_XMM6, UNW_X86_64_XMM7, UNW_X86_64_XMM8, UNW_X86_64_XMM9, UNW_X86_64_XMM10, UNW_X86_64_XMM11, UNW_X86_64_XMM12, UNW_X86_64_XMM13, UNW_X86_64_XMM14, UNW_X86_64_XMM15 #endif }; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&x86_64_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); tdep_init_mem_validate (); #ifndef UNW_REMOTE_ONLY x86_64_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&x86_64_lock, saved_mask); } libunwind-1.3.2/src/x86_64/Lstep.c0000644000175000017500000000020113406556425013414 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/x86_64/Gos-linux.c0000644000175000017500000001340713406755365014232 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "ucontext_i.h" #include HIDDEN void tdep_fetch_frame (struct dwarf_cursor *dw, unw_word_t ip, int need_unwind_info) { struct cursor *c = (struct cursor *) dw; assert(! need_unwind_info || dw->pi_valid); assert(! need_unwind_info || dw->pi.unwind_info); if (dw->pi_valid && dw->pi.unwind_info && ((struct dwarf_cie_info *) dw->pi.unwind_info)->signal_frame) c->sigcontext_format = X86_64_SCF_LINUX_RT_SIGFRAME; else c->sigcontext_format = X86_64_SCF_NONE; Debug(5, "fetch frame ip=0x%lx cfa=0x%lx format=%d\n", dw->ip, dw->cfa, c->sigcontext_format); } HIDDEN int tdep_cache_frame (struct dwarf_cursor *dw) { struct cursor *c = (struct cursor *) dw; Debug(5, "cache frame ip=0x%lx cfa=0x%lx format=%d\n", dw->ip, dw->cfa, c->sigcontext_format); return c->sigcontext_format; } HIDDEN void tdep_reuse_frame (struct dwarf_cursor *dw, int frame) { struct cursor *c = (struct cursor *) dw; c->sigcontext_format = frame; if (c->sigcontext_format == X86_64_SCF_LINUX_RT_SIGFRAME) { c->frame_info.frame_type = UNW_X86_64_FRAME_SIGRETURN; /* Offset from cfa to ucontext_t in signal frame. */ c->frame_info.cfa_reg_offset = 0; c->sigcontext_addr = dw->cfa; } Debug(5, "reuse frame ip=0x%lx cfa=0x%lx format=%d addr=0x%lx offset=%+d\n", dw->ip, dw->cfa, c->sigcontext_format, c->sigcontext_addr, (c->sigcontext_format == X86_64_SCF_LINUX_RT_SIGFRAME ? c->frame_info.cfa_reg_offset : 0)); } int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; return c->sigcontext_format != X86_64_SCF_NONE; } HIDDEN int x86_64_handle_signal_frame (unw_cursor_t *cursor) { #if UNW_DEBUG /* To silence compiler warnings */ /* Should not get here because we now use kernel-provided dwarf information for the signal trampoline and dwarf_step() works. Hence unw_step() should never call this function. Maybe restore old non-dwarf signal handling here, but then the gating on unw_is_signal_frame() needs to be removed. */ struct cursor *c = (struct cursor *) cursor; Debug(1, "old format signal frame? format=%d addr=0x%lx cfa=0x%lx\n", c->sigcontext_format, c->sigcontext_addr, c->dwarf.cfa); #endif return -UNW_EBADFRAME; } #ifndef UNW_REMOTE_ONLY HIDDEN void * x86_64_r_uc_addr (ucontext_t *uc, int reg) { /* NOTE: common_init() in init.h inlines these for fast path access. */ void *addr; switch (reg) { case UNW_X86_64_R8: addr = &uc->uc_mcontext.gregs[REG_R8]; break; case UNW_X86_64_R9: addr = &uc->uc_mcontext.gregs[REG_R9]; break; case UNW_X86_64_R10: addr = &uc->uc_mcontext.gregs[REG_R10]; break; case UNW_X86_64_R11: addr = &uc->uc_mcontext.gregs[REG_R11]; break; case UNW_X86_64_R12: addr = &uc->uc_mcontext.gregs[REG_R12]; break; case UNW_X86_64_R13: addr = &uc->uc_mcontext.gregs[REG_R13]; break; case UNW_X86_64_R14: addr = &uc->uc_mcontext.gregs[REG_R14]; break; case UNW_X86_64_R15: addr = &uc->uc_mcontext.gregs[REG_R15]; break; case UNW_X86_64_RDI: addr = &uc->uc_mcontext.gregs[REG_RDI]; break; case UNW_X86_64_RSI: addr = &uc->uc_mcontext.gregs[REG_RSI]; break; case UNW_X86_64_RBP: addr = &uc->uc_mcontext.gregs[REG_RBP]; break; case UNW_X86_64_RBX: addr = &uc->uc_mcontext.gregs[REG_RBX]; break; case UNW_X86_64_RDX: addr = &uc->uc_mcontext.gregs[REG_RDX]; break; case UNW_X86_64_RAX: addr = &uc->uc_mcontext.gregs[REG_RAX]; break; case UNW_X86_64_RCX: addr = &uc->uc_mcontext.gregs[REG_RCX]; break; case UNW_X86_64_RSP: addr = &uc->uc_mcontext.gregs[REG_RSP]; break; case UNW_X86_64_RIP: addr = &uc->uc_mcontext.gregs[REG_RIP]; break; default: addr = NULL; } return addr; } /* sigreturn() is a no-op on x86_64 glibc. */ HIDDEN NORETURN void x86_64_sigreturn (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; mcontext_t *sc_mcontext = &((ucontext_t*)sc)->uc_mcontext; /* Copy in saved uc - all preserved regs are at the start of sigcontext */ memcpy(sc_mcontext, &c->uc->uc_mcontext, DWARF_NUM_PRESERVED_REGS * sizeof(unw_word_t)); Debug (8, "resuming at ip=%llx via sigreturn(%p)\n", (unsigned long long) c->dwarf.ip, sc); __asm__ __volatile__ ("mov %0, %%rsp;" "mov %1, %%rax;" "syscall" :: "r"(sc), "i"(SYS_rt_sigreturn) : "memory"); abort(); } #endif libunwind-1.3.2/src/x86_64/siglongjmp.S0000644000175000017500000000263613406556425014474 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_siglongjmp_cont .type _UI_siglongjmp_cont, @function _UI_siglongjmp_cont: retq .size _UI_siglongjmp_cont, . - _UI_siglongjmp_cont /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86_64/Los-freebsd.c0000644000175000017500000000020713406556425014500 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-freebsd.c" #endif libunwind-1.3.2/src/x86_64/Lget_save_loc.c0000644000175000017500000000021113406556425015074 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/x86_64/Lglobal.c0000644000175000017500000000022713406556425013711 00000000000000#define UNW_LOCAL_ONLY #include "config.h" #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/x86_64/Gresume.c0000644000175000017500000000727713406755365013764 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "offsets.h" #include "unwind_i.h" #ifndef UNW_REMOTE_ONLY HIDDEN inline int x86_64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = c->uc; /* Ensure c->pi is up-to-date. On x86-64, it's relatively common to be missing DWARF unwind info. We don't want to fail in that case, because the frame-chain still would let us do a backtrace at least. */ dwarf_make_proc_info (&c->dwarf); if (unlikely (c->sigcontext_addr != X86_64_SCF_NONE)) { x86_64_sigreturn(cursor); abort(); } else { Debug (8, "resuming at ip=%llx via setcontext()\n", (unsigned long long) c->dwarf.ip); setcontext (uc); } return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ /* This routine is responsible for copying the register values in cursor C and establishing them as the current machine state. */ static inline int establish_machine_state (struct cursor *c) { int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int write, void *); int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int write, void *); unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; access_reg = as->acc.access_reg; access_fpreg = as->acc.access_fpreg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) (*access_fpreg) (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) (*access_reg) (as, reg, &val, 1, arg); } } if (c->dwarf.args_size) { if (tdep_access_reg (c, UNW_X86_64_RSP, &val, 0) >= 0) { val += c->dwarf.args_size; (*access_reg) (as, UNW_X86_64_RSP, &val, 1, arg); } } return 0; } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if ((ret = establish_machine_state (c)) < 0) return ret; return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/x86_64/Ltrace.c0000644000175000017500000000020213406556425013540 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gtrace.c" #endif libunwind-1.3.2/src/x86_64/Gcreate_addr_space.c0000644000175000017500000000354013406755365016061 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #if defined(_LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) #define __LITTLE_ENDIAN _LITTLE_ENDIAN #endif unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * x86_64 supports only little-endian. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; return as; #endif } libunwind-1.3.2/src/x86_64/offsets.h0000644000175000017500000000012113406556425014004 00000000000000/* FreeBSD specific definitions */ #define FREEBSD_UC_MCONTEXT_OFF 0x10 libunwind-1.3.2/src/x86_64/Lreg_states_iterate.c0000644000175000017500000000021713406755365016331 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/x86_64/Gget_proc_info.c0000644000175000017500000000357513406755365015276 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; if (dwarf_make_proc_info (&c->dwarf) < 0) { /* On x86-64, some key routines such as _start() and _dl_start() are missing DWARF unwind info. We don't want to fail in that case, because those frames are uninteresting and just mark the end of the frame-chain anyhow. */ memset (pi, 0, sizeof (*pi)); pi->start_ip = c->dwarf.ip; pi->end_ip = c->dwarf.ip + 1; return 0; } *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/x86_64/getcontext.S0000644000175000017500000001051313640667603014501 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 Google, Inc Contributed by Paul Pluzhnikov Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ucontext_i.h" /* int _Ux86_64_getcontext (ucontext_t *ucp) Saves the machine context in UCP necessary for libunwind. Unlike the libc implementation, we don't save the signal mask and hence avoid the cost of a system call per unwind. */ .global _Ux86_64_getcontext .type _Ux86_64_getcontext, @function _Ux86_64_getcontext: .cfi_startproc /* Callee saved: RBX, RBP, R12-R15 */ movq %r12, UC_MCONTEXT_GREGS_R12(%rdi) movq %r13, UC_MCONTEXT_GREGS_R13(%rdi) movq %r14, UC_MCONTEXT_GREGS_R14(%rdi) movq %r15, UC_MCONTEXT_GREGS_R15(%rdi) movq %rbp, UC_MCONTEXT_GREGS_RBP(%rdi) movq %rbx, UC_MCONTEXT_GREGS_RBX(%rdi) /* Save argument registers (not strictly needed, but setcontext restores them, so don't restore garbage). */ movq %r8, UC_MCONTEXT_GREGS_R8(%rdi) movq %r9, UC_MCONTEXT_GREGS_R9(%rdi) movq %rdi, UC_MCONTEXT_GREGS_RDI(%rdi) movq %rsi, UC_MCONTEXT_GREGS_RSI(%rdi) movq %rdx, UC_MCONTEXT_GREGS_RDX(%rdi) movq %rax, UC_MCONTEXT_GREGS_RAX(%rdi) movq %rcx, UC_MCONTEXT_GREGS_RCX(%rdi) #if defined __linux__ /* Save fp state (not needed, except for setcontext not restoring garbage). */ leaq UC_MCONTEXT_FPREGS_MEM(%rdi),%r8 movq %r8, UC_MCONTEXT_FPREGS_PTR(%rdi) fnstenv (%r8) stmxcsr FPREGS_OFFSET_MXCSR(%r8) #elif defined __FreeBSD__ fxsave UC_MCONTEXT_FPSTATE(%rdi) movq $UC_MCONTEXT_FPOWNED_FPU,UC_MCONTEXT_OWNEDFP(%rdi) movq $UC_MCONTEXT_FPFMT_XMM,UC_MCONTEXT_FPFORMAT(%rdi) /* Save rflags and segment registers, so that sigreturn(2) does not complain. */ pushfq .cfi_adjust_cfa_offset 8 popq UC_MCONTEXT_RFLAGS(%rdi) .cfi_adjust_cfa_offset -8 movl $0, UC_MCONTEXT_FLAGS(%rdi) movw %cs, UC_MCONTEXT_CS(%rdi) movw %ss, UC_MCONTEXT_SS(%rdi) #if 0 /* Setting the flags to 0 above disables restore of segment registers from the context */ movw %ds, UC_MCONTEXT_DS(%rdi) movw %es, UC_MCONTEXT_ES(%rdi) movw %fs, UC_MCONTEXT_FS(%rdi) movw %gs, UC_MCONTEXT_GS(%rdi) #endif movq $UC_MCONTEXT_MC_LEN_VAL, UC_MCONTEXT_MC_LEN(%rdi) #else #error Port me #endif leaq 8(%rsp), %rax /* exclude this call. */ movq %rax, UC_MCONTEXT_GREGS_RSP(%rdi) movq 0(%rsp), %rax movq %rax, UC_MCONTEXT_GREGS_RIP(%rdi) xorq %rax, %rax retq .cfi_endproc .size _Ux86_64_getcontext, . - _Ux86_64_getcontext /* int _Ux86_64_getcontext_trace (ucontext_t *ucp) Saves limited machine context in UCP necessary for libunwind. Unlike _Ux86_64_getcontext, saves only the parts needed for fast trace. If fast trace fails, caller will have to get the full context. */ .global _Ux86_64_getcontext_trace .hidden _Ux86_64_getcontext_trace .type _Ux86_64_getcontext_trace, @function _Ux86_64_getcontext_trace: .cfi_startproc /* Save only RBP, RBX, RSP, RIP - exclude this call. */ movq %rbp, UC_MCONTEXT_GREGS_RBP(%rdi) movq %rbx, UC_MCONTEXT_GREGS_RBX(%rdi) leaq 8(%rsp), %rax movq %rax, UC_MCONTEXT_GREGS_RSP(%rdi) movq 0(%rsp), %rax movq %rax, UC_MCONTEXT_GREGS_RIP(%rdi) xorq %rax, %rax retq .cfi_endproc .size _Ux86_64_getcontext_trace, . - _Ux86_64_getcontext_trace /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86_64/Gos-freebsd.c0000644000175000017500000001756713406755365014520 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include "unwind_i.h" #include "ucontext_i.h" int unw_is_signal_frame (unw_cursor_t *cursor) { /* XXXKIB */ struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, w2, b0, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; /* Check if RIP points at sigreturn sequence. 48 8d 7c 24 10 lea SIGF_UC(%rsp),%rdi 6a 00 pushq $0 48 c7 c0 a1 01 00 00 movq $SYS_sigreturn,%rax 0f 05 syscall f4 0: hlt eb fd jmp 0b */ ip = c->dwarf.ip; c->sigcontext_format = X86_64_SCF_NONE; if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0 || (ret = (*a->access_mem) (as, ip + 16, &w2, 0, arg)) < 0) return 0; w2 &= 0xffffff; if (w0 == 0x48006a10247c8d48 && w1 == 0x050f000001a1c0c7 && w2 == 0x0000000000fdebf4) { c->sigcontext_format = X86_64_SCF_FREEBSD_SIGFRAME; return (c->sigcontext_format); } /* Check if RIP points at standard syscall sequence. 49 89 ca mov %rcx,%r10 0f 05 syscall */ if ((ret = (*a->access_mem) (as, ip - 5, &b0, 0, arg)) < 0) return (0); Debug (12, "b0 0x%lx\n", b0); if ((b0 & 0xffffffffffffff) == 0x050fca89490000 || (b0 & 0xffffffffff) == 0x050fca8949) { c->sigcontext_format = X86_64_SCF_FREEBSD_SYSCALL; return (c->sigcontext_format); } return (X86_64_SCF_NONE); } HIDDEN int x86_64_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t ucontext; int ret; if (c->sigcontext_format == X86_64_SCF_FREEBSD_SIGFRAME) { ucontext = c->dwarf.cfa + offsetof(struct sigframe, sf_uc); c->sigcontext_addr = c->dwarf.cfa; Debug(1, "signal frame, skip over trampoline\n"); struct dwarf_loc rsp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0); ret = dwarf_get (&c->dwarf, rsp_loc, &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } c->dwarf.loc[RAX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RAX, 0); c->dwarf.loc[RDX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDX, 0); c->dwarf.loc[RCX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RCX, 0); c->dwarf.loc[RBX] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBX, 0); c->dwarf.loc[RSI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSI, 0); c->dwarf.loc[RDI] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RDI, 0); c->dwarf.loc[RBP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RBP, 0); c->dwarf.loc[RSP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RSP, 0); c->dwarf.loc[ R8] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0); c->dwarf.loc[ R9] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0); c->dwarf.loc[R10] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0); c->dwarf.loc[R11] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0); c->dwarf.loc[R12] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0); c->dwarf.loc[R13] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0); c->dwarf.loc[R14] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0); c->dwarf.loc[R15] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0); c->dwarf.loc[RIP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_RIP, 0); return 0; } else if (c->sigcontext_format == X86_64_SCF_FREEBSD_SYSCALL) { c->dwarf.loc[RCX] = c->dwarf.loc[R10]; /* rsp_loc = DWARF_LOC(c->dwarf.cfa - 8, 0); */ /* rbp_loc = c->dwarf.loc[RBP]; */ c->dwarf.loc[RIP] = DWARF_LOC (c->dwarf.cfa, 0); ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip); Debug (1, "Frame Chain [RIP=0x%Lx] = 0x%Lx\n", (unsigned long long) DWARF_GET_LOC (c->dwarf.loc[RIP]), (unsigned long long) c->dwarf.ip); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } c->dwarf.cfa += 8; c->dwarf.use_prev_instr = 1; return 1; } else return -UNW_EBADFRAME; } #ifndef UNW_REMOTE_ONLY HIDDEN void * x86_64_r_uc_addr (ucontext_t *uc, int reg) { /* NOTE: common_init() in init.h inlines these for fast path access. */ void *addr; switch (reg) { case UNW_X86_64_R8: addr = &uc->uc_mcontext.mc_r8; break; case UNW_X86_64_R9: addr = &uc->uc_mcontext.mc_r9; break; case UNW_X86_64_R10: addr = &uc->uc_mcontext.mc_r10; break; case UNW_X86_64_R11: addr = &uc->uc_mcontext.mc_r11; break; case UNW_X86_64_R12: addr = &uc->uc_mcontext.mc_r12; break; case UNW_X86_64_R13: addr = &uc->uc_mcontext.mc_r13; break; case UNW_X86_64_R14: addr = &uc->uc_mcontext.mc_r14; break; case UNW_X86_64_R15: addr = &uc->uc_mcontext.mc_r15; break; case UNW_X86_64_RDI: addr = &uc->uc_mcontext.mc_rdi; break; case UNW_X86_64_RSI: addr = &uc->uc_mcontext.mc_rsi; break; case UNW_X86_64_RBP: addr = &uc->uc_mcontext.mc_rbp; break; case UNW_X86_64_RBX: addr = &uc->uc_mcontext.mc_rbx; break; case UNW_X86_64_RDX: addr = &uc->uc_mcontext.mc_rdx; break; case UNW_X86_64_RAX: addr = &uc->uc_mcontext.mc_rax; break; case UNW_X86_64_RCX: addr = &uc->uc_mcontext.mc_rcx; break; case UNW_X86_64_RSP: addr = &uc->uc_mcontext.mc_rsp; break; case UNW_X86_64_RIP: addr = &uc->uc_mcontext.mc_rip; break; default: addr = NULL; } return addr; } HIDDEN NORETURN void x86_64_sigreturn (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = (ucontext_t *)(c->sigcontext_addr + offsetof(struct sigframe, sf_uc)); uc->uc_mcontext.mc_r8 = c->uc->uc_mcontext.mc_r8; uc->uc_mcontext.mc_r9 = c->uc->uc_mcontext.mc_r9; uc->uc_mcontext.mc_r10 = c->uc->uc_mcontext.mc_r10; uc->uc_mcontext.mc_r11 = c->uc->uc_mcontext.mc_r11; uc->uc_mcontext.mc_r12 = c->uc->uc_mcontext.mc_r12; uc->uc_mcontext.mc_r13 = c->uc->uc_mcontext.mc_r13; uc->uc_mcontext.mc_r14 = c->uc->uc_mcontext.mc_r14; uc->uc_mcontext.mc_r15 = c->uc->uc_mcontext.mc_r15; uc->uc_mcontext.mc_rdi = c->uc->uc_mcontext.mc_rdi; uc->uc_mcontext.mc_rsi = c->uc->uc_mcontext.mc_rsi; uc->uc_mcontext.mc_rbp = c->uc->uc_mcontext.mc_rbp; uc->uc_mcontext.mc_rbx = c->uc->uc_mcontext.mc_rbx; uc->uc_mcontext.mc_rdx = c->uc->uc_mcontext.mc_rdx; uc->uc_mcontext.mc_rax = c->uc->uc_mcontext.mc_rax; uc->uc_mcontext.mc_rcx = c->uc->uc_mcontext.mc_rcx; uc->uc_mcontext.mc_rsp = c->uc->uc_mcontext.mc_rsp; uc->uc_mcontext.mc_rip = c->uc->uc_mcontext.mc_rip; Debug (8, "resuming at ip=%llx via sigreturn(%p)\n", (unsigned long long) c->dwarf.ip, uc); sigreturn(uc); abort(); } #endif libunwind-1.3.2/src/x86_64/Gapply_reg_state.c0000644000175000017500000000300513406755365015627 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/x86_64/Lcreate_addr_space.c0000644000175000017500000000021613406556425016057 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/x86_64/Lget_proc_info.c0000644000175000017500000000021213406556425015260 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/x86_64/is_fpreg.c0000644000175000017500000000276313406755365014146 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { #if 0 return ((regnum >= UNW_X86_ST0 && regnum <= UNW_X86_ST7) || (regnum >= UNW_X86_XMM0_lo && regnum <= UNW_X86_XMM7_hi)); #endif return 0; } libunwind-1.3.2/src/x86_64/Gregs.c0000644000175000017500000001000513406556425013377 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #if 0 static inline dwarf_loc_t linux_scratch_loc (struct cursor *c, unw_regnum_t reg) { unw_word_t addr = c->sigcontext_addr; switch (c->sigcontext_format) { case X86_64_SCF_NONE: return DWARF_REG_LOC (&c->dwarf, reg); case X86_64_SCF_LINUX_RT_SIGFRAME: addr += LINUX_UC_MCONTEXT_OFF; break; case X86_64_SCF_FREEBSD_SIGFRAME: addr += FREEBSD_UC_MCONTEXT_OFF; break; } return DWARF_REG_LOC (&c->dwarf, reg); } HIDDEN dwarf_loc_t x86_64_scratch_loc (struct cursor *c, unw_regnum_t reg) { if (c->sigcontext_addr) return linux_scratch_loc (c, reg); else return DWARF_REG_LOC (&c->dwarf, reg); } #endif HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; unsigned int mask; int arg_num; switch (reg) { case UNW_X86_64_RIP: if (write) c->dwarf.ip = *valp; /* also update the RIP cache */ loc = c->dwarf.loc[RIP]; break; case UNW_X86_64_CFA: case UNW_X86_64_RSP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; case UNW_X86_64_RAX: case UNW_X86_64_RDX: arg_num = reg - UNW_X86_64_RAX; mask = (1 << arg_num); if (write) { c->dwarf.eh_args[arg_num] = *valp; c->dwarf.eh_valid_mask |= mask; return 0; } else if ((c->dwarf.eh_valid_mask & mask) != 0) { *valp = c->dwarf.eh_args[arg_num]; return 0; } else loc = c->dwarf.loc[(reg == UNW_X86_64_RAX) ? RAX : RDX]; break; case UNW_X86_64_RCX: loc = c->dwarf.loc[RCX]; break; case UNW_X86_64_RBX: loc = c->dwarf.loc[RBX]; break; case UNW_X86_64_RBP: loc = c->dwarf.loc[RBP]; break; case UNW_X86_64_RSI: loc = c->dwarf.loc[RSI]; break; case UNW_X86_64_RDI: loc = c->dwarf.loc[RDI]; break; case UNW_X86_64_R8: loc = c->dwarf.loc[R8]; break; case UNW_X86_64_R9: loc = c->dwarf.loc[R9]; break; case UNW_X86_64_R10: loc = c->dwarf.loc[R10]; break; case UNW_X86_64_R11: loc = c->dwarf.loc[R11]; break; case UNW_X86_64_R12: loc = c->dwarf.loc[R12]; break; case UNW_X86_64_R13: loc = c->dwarf.loc[R13]; break; case UNW_X86_64_R14: loc = c->dwarf.loc[R14]; break; case UNW_X86_64_R15: loc = c->dwarf.loc[R15]; break; default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { return -UNW_EBADREG; } libunwind-1.3.2/src/x86_64/Lresume.c0000644000175000017500000000020313406556425013743 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/x86_64/init.h0000644000175000017500000000626613406755365013322 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* Avoid a trip to x86_64_r_uc_addr() for purely local initialisation. */ #if defined UNW_LOCAL_ONLY && defined __linux # define REG_INIT_LOC(c, rlc, ruc) \ DWARF_LOC ((unw_word_t) &c->uc->uc_mcontext.gregs[REG_ ## ruc], 0) #elif defined UNW_LOCAL_ONLY && defined __FreeBSD__ # define REG_INIT_LOC(c, rlc, ruc) \ DWARF_LOC ((unw_word_t) &c->uc->uc_mcontext.mc_ ## rlc, 0) #else # define REG_INIT_LOC(c, rlc, ruc) \ DWARF_REG_LOC (&c->dwarf, UNW_X86_64_ ## ruc) #endif static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret; c->dwarf.loc[RAX] = REG_INIT_LOC(c, rax, RAX); c->dwarf.loc[RDX] = REG_INIT_LOC(c, rdx, RDX); c->dwarf.loc[RCX] = REG_INIT_LOC(c, rcx, RCX); c->dwarf.loc[RBX] = REG_INIT_LOC(c, rbx, RBX); c->dwarf.loc[RSI] = REG_INIT_LOC(c, rsi, RSI); c->dwarf.loc[RDI] = REG_INIT_LOC(c, rdi, RDI); c->dwarf.loc[RBP] = REG_INIT_LOC(c, rbp, RBP); c->dwarf.loc[RSP] = REG_INIT_LOC(c, rsp, RSP); c->dwarf.loc[R8] = REG_INIT_LOC(c, r8, R8); c->dwarf.loc[R9] = REG_INIT_LOC(c, r9, R9); c->dwarf.loc[R10] = REG_INIT_LOC(c, r10, R10); c->dwarf.loc[R11] = REG_INIT_LOC(c, r11, R11); c->dwarf.loc[R12] = REG_INIT_LOC(c, r12, R12); c->dwarf.loc[R13] = REG_INIT_LOC(c, r13, R13); c->dwarf.loc[R14] = REG_INIT_LOC(c, r14, R14); c->dwarf.loc[R15] = REG_INIT_LOC(c, r15, R15); c->dwarf.loc[RIP] = REG_INIT_LOC(c, rip, RIP); ret = dwarf_get (&c->dwarf, c->dwarf.loc[RIP], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_X86_64_RSP), &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = X86_64_SCF_NONE; c->sigcontext_addr = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; c->dwarf.eh_valid_mask = 0; return 0; } libunwind-1.3.2/src/arm/0000755000175000017500000000000013640673451012070 500000000000000libunwind-1.3.2/src/arm/unwind_i.h0000644000175000017500000000460013406755365014002 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" /* DWARF column numbers for ARM: */ #define R7 7 #define SP 13 #define LR 14 #define PC 15 #define arm_lock UNW_OBJ(lock) #define arm_local_resume UNW_OBJ(local_resume) #define arm_local_addr_space_init UNW_OBJ(local_addr_space_init) extern void arm_local_addr_space_init (void); extern int arm_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); #define arm_handle_signal_frame UNW_OBJ(handle_signal_frame) extern int arm_handle_signal_frame(unw_cursor_t *cursor); /* By-pass calls to access_mem() when known to be safe. */ #ifdef UNW_LOCAL_ONLY # undef ACCESS_MEM_FAST # define ACCESS_MEM_FAST(ret,validate,cur,addr,to) \ do { \ if (unlikely(validate)) \ (ret) = dwarf_get ((cur), DWARF_MEM_LOC ((cur), (addr)), &(to)); \ else \ (ret) = 0, (to) = *(unw_word_t *)(addr); \ } while (0) #endif #endif /* unwind_i_h */ libunwind-1.3.2/src/arm/Gget_save_loc.c0000644000175000017500000000426313406755365014727 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ switch (reg) { case UNW_ARM_R0: case UNW_ARM_R1: case UNW_ARM_R2: case UNW_ARM_R3: case UNW_ARM_R4: case UNW_ARM_R5: case UNW_ARM_R6: case UNW_ARM_R7: case UNW_ARM_R8: case UNW_ARM_R9: case UNW_ARM_R10: case UNW_ARM_R11: case UNW_ARM_R12: case UNW_ARM_R13: case UNW_ARM_R14: case UNW_ARM_R15: loc = c->dwarf.loc[reg - UNW_ARM_R0]; break; default: break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/arm/Los-linux.c0000644000175000017500000000020513406755365014050 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-linux.c" #endif libunwind-1.3.2/src/arm/Ginit_local.c0000644000175000017500000000414213406755365014406 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common (unw_cursor_t *cursor, unw_context_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, unw_context_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/arm/Lapply_reg_state.c0000644000175000017500000000021413406755365015454 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/arm/Lstash_frame.c0000644000175000017500000000021013406556425014556 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstash_frame.c" #endif libunwind-1.3.2/src/arm/Gstash_frame.c0000644000175000017500000000772113406755365014573 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY Copyright (C) 2014 CERN and Aalto University Contributed by Filip Nyback This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN void tdep_stash_frame (struct dwarf_cursor *d, struct dwarf_reg_state *rs) { struct cursor *c = (struct cursor *) dwarf_to_cursor (d); unw_tdep_frame_t *f = &c->frame_info; Debug (4, "ip=0x%x cfa=0x%x type %d cfa [where=%d val=%d] cfaoff=%d" " ra=0x%x r7 [where=%d val=%d @0x%x] lr [where=%d val=%d @0x%x] " "sp [where=%d val=%d @0x%x]\n", d->ip, d->cfa, f->frame_type, rs->reg.where[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_OFF_COLUMN], DWARF_GET_LOC(d->loc[rs->ret_addr_column]), rs->reg.where[R7], rs->reg.val[R7], DWARF_GET_LOC(d->loc[R7]), rs->reg.where[LR], rs->reg.val[LR], DWARF_GET_LOC(d->loc[LR]), rs->reg.where[SP], rs->reg.val[SP], DWARF_GET_LOC(d->loc[SP])); /* A standard frame is defined as: - CFA is register-relative offset off R7 or SP; - Return address is saved in LR; - R7 is unsaved or saved at CFA+offset, offset != -1; - LR is unsaved or saved at CFA+offset, offset != -1; - SP is unsaved or saved at CFA+offset, offset != -1. */ if (f->frame_type == UNW_ARM_FRAME_OTHER && (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_REG) && (rs->reg.val[DWARF_CFA_REG_COLUMN] == R7 || rs->reg.val[DWARF_CFA_REG_COLUMN] == SP) && labs(rs->reg.val[DWARF_CFA_OFF_COLUMN]) < (1 << 29) && rs->ret_addr_column == LR && (rs->reg.where[R7] == DWARF_WHERE_UNDEF || rs->reg.where[R7] == DWARF_WHERE_SAME || (rs->reg.where[R7] == DWARF_WHERE_CFAREL && labs(rs->reg.val[R7]) < (1 << 29) && rs->reg.val[R7]+1 != 0)) && (rs->reg.where[LR] == DWARF_WHERE_UNDEF || rs->reg.where[LR] == DWARF_WHERE_SAME || (rs->reg.where[LR] == DWARF_WHERE_CFAREL && labs(rs->reg.val[LR]) < (1 << 29) && rs->reg.val[LR]+1 != 0)) && (rs->reg.where[SP] == DWARF_WHERE_UNDEF || rs->reg.where[SP] == DWARF_WHERE_SAME || (rs->reg.where[SP] == DWARF_WHERE_CFAREL && labs(rs->reg.val[SP]) < (1 << 29) && rs->reg.val[SP]+1 != 0))) { /* Save information for a standard frame. */ f->frame_type = UNW_ARM_FRAME_STANDARD; f->cfa_reg_sp = (rs->reg.val[DWARF_CFA_REG_COLUMN] == SP); f->cfa_reg_offset = rs->reg.val[DWARF_CFA_OFF_COLUMN]; if (rs->reg.where[R7] == DWARF_WHERE_CFAREL) f->r7_cfa_offset = rs->reg.val[R7]; if (rs->reg.where[LR] == DWARF_WHERE_CFAREL) f->lr_cfa_offset = rs->reg.val[LR]; if (rs->reg.where[SP] == DWARF_WHERE_CFAREL) f->sp_cfa_offset = rs->reg.val[SP]; Debug (4, " standard frame\n"); } else Debug (4, " unusual frame\n"); } libunwind-1.3.2/src/arm/Gos-other.c0000644000175000017500000000310413406755365014026 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #include "offsets.h" HIDDEN int arm_handle_signal_frame (unw_cursor_t *cursor) { return -UNW_EUNSPEC; } int unw_is_signal_frame (unw_cursor_t *cursor) { #if defined(__QNX__) /* Not supported yet */ return 0; #else printf ("%s: implement me\n", __FUNCTION__); return -UNW_ENOINFO; #endif } libunwind-1.3.2/src/arm/Greg_states_iterate.c0000644000175000017500000000277613406755365016161 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/arm/Lregs.c0000644000175000017500000000020113406556425013222 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/arm/Gtrace.c0000644000175000017500000004476013406755365013401 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY Copyright (C) 2014 CERN and Aalto University Contributed by Filip Nyback This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #include #include #pragma weak pthread_once #pragma weak pthread_key_create #pragma weak pthread_getspecific #pragma weak pthread_setspecific /* Initial hash table size. Table expands by 2 bits (times four). */ #define HASH_MIN_BITS 14 typedef struct { unw_tdep_frame_t *frames; size_t log_size; size_t used; size_t dtor_count; /* Counts how many times our destructor has already been called. */ } unw_trace_cache_t; static const unw_tdep_frame_t empty_frame = { 0, UNW_ARM_FRAME_OTHER, -1, -1, 0, -1, -1, -1 }; static define_lock (trace_init_lock); static pthread_once_t trace_cache_once = PTHREAD_ONCE_INIT; static sig_atomic_t trace_cache_once_happen; static pthread_key_t trace_cache_key; static struct mempool trace_cache_pool; static __thread unw_trace_cache_t *tls_cache; static __thread int tls_cache_destroyed; /* Free memory for a thread's trace cache. */ static void trace_cache_free (void *arg) { unw_trace_cache_t *cache = arg; if (++cache->dtor_count < PTHREAD_DESTRUCTOR_ITERATIONS) { /* Not yet our turn to get destroyed. Re-install ourselves into the key. */ pthread_setspecific(trace_cache_key, cache); Debug(5, "delayed freeing cache %p (%zx to go)\n", cache, PTHREAD_DESTRUCTOR_ITERATIONS - cache->dtor_count); return; } tls_cache_destroyed = 1; tls_cache = NULL; munmap (cache->frames, (1u << cache->log_size) * sizeof(unw_tdep_frame_t)); mempool_free (&trace_cache_pool, cache); Debug(5, "freed cache %p\n", cache); } /* Initialise frame tracing for threaded use. */ static void trace_cache_init_once (void) { pthread_key_create (&trace_cache_key, &trace_cache_free); mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); trace_cache_once_happen = 1; } static unw_tdep_frame_t * trace_cache_buckets (size_t n) { unw_tdep_frame_t *frames; size_t i; GET_MEMORY(frames, n * sizeof (unw_tdep_frame_t)); if (likely(frames != NULL)) for (i = 0; i < n; ++i) frames[i] = empty_frame; return frames; } /* Allocate and initialise hash table for frame cache lookups. Returns the cache initialised with (1u << HASH_LOW_BITS) hash buckets, or NULL if there was a memory allocation problem. */ static unw_trace_cache_t * trace_cache_create (void) { unw_trace_cache_t *cache; if (tls_cache_destroyed) { /* The current thread is in the process of exiting. Don't recreate cache, as we wouldn't have another chance to free it. */ Debug(5, "refusing to reallocate cache: " "thread-locals are being deallocated\n"); return NULL; } if (! (cache = mempool_alloc(&trace_cache_pool))) { Debug(5, "failed to allocate cache\n"); return NULL; } if (! (cache->frames = trace_cache_buckets(1u << HASH_MIN_BITS))) { Debug(5, "failed to allocate buckets\n"); mempool_free(&trace_cache_pool, cache); return NULL; } cache->log_size = HASH_MIN_BITS; cache->used = 0; cache->dtor_count = 0; tls_cache_destroyed = 0; /* Paranoia: should already be 0. */ Debug(5, "allocated cache %p\n", cache); return cache; } /* Expand the hash table in the frame cache if possible. This always quadruples the hash size, and clears all previous frame entries. */ static int trace_cache_expand (unw_trace_cache_t *cache) { size_t old_size = (1u << cache->log_size); size_t new_log_size = cache->log_size + 2; unw_tdep_frame_t *new_frames = trace_cache_buckets (1u << new_log_size); if (unlikely(! new_frames)) { Debug(5, "failed to expand cache to 2^%u buckets\n", new_log_size); return -UNW_ENOMEM; } Debug(5, "expanded cache from 2^%u to 2^%u buckets\n", cache->log_size, new_log_size); munmap(cache->frames, old_size * sizeof(unw_tdep_frame_t)); cache->frames = new_frames; cache->log_size = new_log_size; cache->used = 0; return 0; } static unw_trace_cache_t * trace_cache_get_unthreaded (void) { unw_trace_cache_t *cache; intrmask_t saved_mask; static unw_trace_cache_t *global_cache = NULL; lock_acquire (&trace_init_lock, saved_mask); if (! global_cache) { mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); global_cache = trace_cache_create (); } cache = global_cache; lock_release (&trace_init_lock, saved_mask); Debug(5, "using cache %p\n", cache); return cache; } /* Get the frame cache for the current thread. Create it if there is none. */ static unw_trace_cache_t * trace_cache_get (void) { unw_trace_cache_t *cache; if (likely (pthread_once != NULL)) { pthread_once(&trace_cache_once, &trace_cache_init_once); if (!trace_cache_once_happen) { return trace_cache_get_unthreaded(); } if (! (cache = tls_cache)) { cache = trace_cache_create(); pthread_setspecific(trace_cache_key, cache); tls_cache = cache; } Debug(5, "using cache %p\n", cache); return cache; } else { return trace_cache_get_unthreaded(); } } /* Initialise frame properties for address cache slot F at address PC using current CFA, R7 and SP values. Modifies CURSOR to that location, performs one unw_step(), and fills F with what was discovered about the location. Returns F. FIXME: This probably should tell DWARF handling to never evaluate or use registers other than R7, SP and PC in case there is highly unusual unwind info which uses these creatively. */ static unw_tdep_frame_t * trace_init_addr (unw_tdep_frame_t *f, unw_cursor_t *cursor, unw_word_t cfa, unw_word_t pc, unw_word_t r7, unw_word_t sp) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; int ret = -UNW_EINVAL; /* Initialise frame properties: unknown, not last. */ f->virtual_address = pc; f->frame_type = UNW_ARM_FRAME_OTHER; f->last_frame = 0; f->cfa_reg_sp = -1; f->cfa_reg_offset = 0; f->r7_cfa_offset = -1; f->lr_cfa_offset = -1; f->sp_cfa_offset = -1; /* Reinitialise cursor to this instruction - but undo next/prev RIP adjustment because unw_step will redo it - and force PC, R7 and SP into register locations (=~ ucontext we keep), then set their desired values. Then perform the step. */ d->ip = pc + d->use_prev_instr; d->cfa = cfa; d->loc[UNW_ARM_R7] = DWARF_REG_LOC (d, UNW_ARM_R7); d->loc[UNW_ARM_R13] = DWARF_REG_LOC (d, UNW_ARM_R13); d->loc[UNW_ARM_R15] = DWARF_REG_LOC (d, UNW_ARM_R15); c->frame_info = *f; if (likely(dwarf_put (d, d->loc[UNW_ARM_R7], r7) >= 0) && likely(dwarf_put (d, d->loc[UNW_ARM_R13], sp) >= 0) && likely(dwarf_put (d, d->loc[UNW_ARM_R15], pc) >= 0) && likely((ret = unw_step (cursor)) >= 0)) *f = c->frame_info; /* If unw_step() stopped voluntarily, remember that, even if it otherwise could not determine anything useful. This avoids failing trace if we hit frames without unwind info, which is common for the outermost frame (CRT stuff) on many systems. This avoids failing trace in very common circumstances; failing to unw_step() loop wouldn't produce any better result. */ if (ret == 0) f->last_frame = -1; Debug (3, "frame va %x type %d last %d cfa %s+%d r7 @ cfa%+d lr @ cfa%+d sp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_sp ? "sp" : "r7", f->cfa_reg_offset, f->r7_cfa_offset, f->lr_cfa_offset, f->sp_cfa_offset); return f; } /* Look up and if necessary fill in frame attributes for address PC in CACHE using current CFA, R7 and SP values. Uses CURSOR to perform any unwind steps necessary to fill the cache. Returns the frame cache slot which describes RIP. */ static unw_tdep_frame_t * trace_lookup (unw_cursor_t *cursor, unw_trace_cache_t *cache, unw_word_t cfa, unw_word_t pc, unw_word_t r7, unw_word_t sp) { /* First look up for previously cached information using cache as linear probing hash table with probe step of 1. Majority of lookups should be completed within few steps, but it is very important the hash table does not fill up, or performance falls off the cliff. */ uint32_t i, addr; uint32_t cache_size = 1u << cache->log_size; uint32_t slot = ((pc * 0x9e3779b9) >> 11) & (cache_size-1); unw_tdep_frame_t *frame; for (i = 0; i < 16; ++i) { frame = &cache->frames[slot]; addr = frame->virtual_address; /* Return if we found the address. */ if (likely(addr == pc)) { Debug (4, "found address after %d steps\n", i); return frame; } /* If slot is empty, reuse it. */ if (likely(! addr)) break; /* Linear probe to next slot candidate, step = 1. */ if (++slot >= cache_size) slot -= cache_size; } /* If we collided after 16 steps, or if the hash is more than half full, force the hash to expand. Fill the selected slot, whether it's free or collides. Note that hash expansion drops previous contents; further lookups will refill the hash. */ Debug (4, "updating slot %u after %d steps, replacing 0x%x\n", slot, i, addr); if (unlikely(addr || cache->used >= cache_size / 2)) { if (unlikely(trace_cache_expand (cache) < 0)) return NULL; cache_size = 1u << cache->log_size; slot = ((pc * 0x9e3779b9) >> 11) & (cache_size-1); frame = &cache->frames[slot]; addr = frame->virtual_address; } if (! addr) ++cache->used; return trace_init_addr (frame, cursor, cfa, pc, r7, sp); } /* Fast stack backtrace for ARM. This is used by backtrace() implementation to accelerate frequent queries for current stack, without any desire to unwind. It fills BUFFER with the call tree from CURSOR upwards for at most SIZE stack levels. The first frame, backtrace itself, is omitted. When called, SIZE should give the maximum number of entries that can be stored into BUFFER. Uses an internal thread-specific cache to accelerate queries. The caller should fall back to a unw_step() loop if this function fails by returning -UNW_ESTOPUNWIND, meaning the routine hit a stack frame that is too complex to be traced in the fast path. This function is tuned for clients which only need to walk the stack to get the call tree as fast as possible but without any other details, for example profilers sampling the stack thousands to millions of times per second. The routine handles the most common ARM ABI stack layouts: CFA is R7 or SP plus/minus constant offset, return address is in LR, and R7, LR and SP are either unchanged or saved on stack at constant offset from the CFA; the signal return frame; and frames without unwind info provided they are at the outermost (final) frame or can conservatively be assumed to be frame-pointer based. Any other stack layout will cause the routine to give up. There are only a handful of relatively rarely used functions which do not have a stack in the standard form: vfork, longjmp, setcontext and _dl_runtime_profile on common linux systems for example. On success BUFFER and *SIZE reflect the trace progress up to *SIZE stack levels or the outermost frame, which ever is less. It may stop short of outermost frame if unw_step() loop would also do so, e.g. if there is no more unwind information; this is not reported as an error. The function returns a negative value for errors, -UNW_ESTOPUNWIND if tracing stopped because of an unusual frame unwind info. The BUFFER and *SIZE reflect tracing progress up to the error frame. Callers of this function would normally look like this: unw_cursor_t cur; unw_context_t ctx; void addrs[128]; int depth = 128; int ret; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); if ((ret = unw_tdep_trace(&cur, addrs, &depth)) < 0) { depth = 0; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); while ((ret = unw_step(&cur)) > 0 && depth < 128) { unw_word_t ip; unw_get_reg(&cur, UNW_REG_IP, &ip); addresses[depth++] = (void *) ip; } } */ HIDDEN int tdep_trace (unw_cursor_t *cursor, void **buffer, int *size) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; unw_trace_cache_t *cache; unw_word_t sp, pc, cfa, r7, lr; int maxdepth = 0; int depth = 0; int ret; /* Check input parametres. */ if (unlikely(! cursor || ! buffer || ! size || (maxdepth = *size) <= 0)) return -UNW_EINVAL; Debug (1, "begin ip 0x%x cfa 0x%x\n", d->ip, d->cfa); /* Tell core dwarf routines to call back to us. */ d->stash_frames = 1; /* Determine initial register values. These are direct access safe because we know they come from the initial machine context. */ pc = d->ip; sp = cfa = d->cfa; ACCESS_MEM_FAST(ret, 0, d, DWARF_GET_LOC(d->loc[UNW_ARM_R7]), r7); assert(ret == 0); lr = 0; /* Get frame cache. */ if (unlikely(! (cache = trace_cache_get()))) { Debug (1, "returning %d, cannot get trace cache\n", -UNW_ENOMEM); *size = 0; d->stash_frames = 0; return -UNW_ENOMEM; } /* Trace the stack upwards, starting from current PC. Adjust the PC address for previous/next instruction as the main unwinding logic would also do. We undo this before calling back into unw_step(). */ while (depth < maxdepth) { pc -= d->use_prev_instr; Debug (2, "depth %d cfa 0x%x pc 0x%x sp 0x%x r7 0x%x\n", depth, cfa, pc, sp, r7); /* See if we have this address cached. If not, evaluate enough of the dwarf unwind information to fill the cache line data, or to decide this frame cannot be handled in fast trace mode. We cache negative results too to prevent unnecessary dwarf parsing for common failures. */ unw_tdep_frame_t *f = trace_lookup (cursor, cache, cfa, pc, r7, sp); /* If we don't have information for this frame, give up. */ if (unlikely(! f)) { ret = -UNW_ENOINFO; break; } Debug (3, "frame va %x type %d last %d cfa %s+%d r7 @ cfa%+d lr @ cfa%+d sp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_sp ? "sp" : "r7", f->cfa_reg_offset, f->r7_cfa_offset, f->lr_cfa_offset, f->sp_cfa_offset); assert (f->virtual_address == pc); /* Stop if this was the last frame. In particular don't evaluate new register values as it may not be safe - we don't normally run with full validation on, and do not want to - and there's enough bad unwind info floating around that we need to trust what unw_step() previously said, in potentially bogus frames. */ if (f->last_frame) break; /* Evaluate CFA and registers for the next frame. */ switch (f->frame_type) { case UNW_ARM_FRAME_GUESSED: /* Fall thru to standard processing after forcing validation. */ c->validate = 1; case UNW_ARM_FRAME_STANDARD: /* Advance standard traceable frame. */ cfa = (f->cfa_reg_sp ? sp : r7) + f->cfa_reg_offset; if (likely(f->lr_cfa_offset != -1)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + f->lr_cfa_offset, pc); else if (lr != 0) { /* Use the saved link register as the new pc. */ pc = lr; lr = 0; } if (likely(ret >= 0) && likely(f->r7_cfa_offset != -1)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + f->r7_cfa_offset, r7); /* Don't bother reading SP from DWARF, CFA becomes new SP. */ sp = cfa; /* Next frame needs to back up for unwind info lookup. */ d->use_prev_instr = 1; break; case UNW_ARM_FRAME_SIGRETURN: cfa = cfa + f->cfa_reg_offset; /* cfa now points to ucontext_t. */ #if defined(__linux__) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_PC_OFF, pc); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_R7_OFF, r7); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_SP_OFF, sp); /* Save the link register here in case we end up in a function that doesn't save the link register in the prologue, e.g. kill. */ if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_LR_OFF, lr); #elif defined(__FreeBSD__) printf("XXX\n"); #endif /* Resume stack at signal restoration point. The stack is not necessarily continuous here, especially with sigaltstack(). */ cfa = sp; /* Next frame should not back up. */ d->use_prev_instr = 0; break; case UNW_ARM_FRAME_SYSCALL: printf("XXX1\n"); break; default: /* We cannot trace through this frame, give up and tell the caller we had to stop. Data collected so far may still be useful to the caller, so let it know how far we got. */ ret = -UNW_ESTOPUNWIND; break; } Debug (4, "new cfa 0x%x pc 0x%x sp 0x%x r7 0x%x\n", cfa, pc, sp, r7); /* If we failed or ended up somewhere bogus, stop. */ if (unlikely(ret < 0 || pc < 0x4000)) break; /* Record this address in stack trace. We skipped the first address. */ buffer[depth++] = (void *) (pc - d->use_prev_instr); } #if UNW_DEBUG Debug (1, "returning %d, depth %d\n", ret, depth); #endif *size = depth; return ret; } libunwind-1.3.2/src/arm/regname.c0000644000175000017500000000474113406755365013605 00000000000000#include "unwind_i.h" static const char *regname[] = { /* 0. */ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", /* 8. */ "r8", "r9", "r10", "fp", "ip", "sp", "lr", "pc", /* 16. Obsolete FPA names. */ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", /* 24. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 32. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 40. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 48. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 56. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 64. */ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", /* 72. */ "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", /* 80. */ "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", /* 88. */ "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", /* 96. */ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", /* 104. */ "wCGR0", "wCGR1", "wCGR2", "wCGR3", "wCGR4", "wCGR5", "wCGR6", "wCGR7", /* 112. */ "wR0", "wR1", "wR2", "wR3", "wR4", "wR5", "wR6", "wR7", /* 128. */ "spsr", "spsr_fiq", "spsr_irq", "spsr_abt", "spsr_und", "spsr_svc", 0, 0, /* 136. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 144. */ "r8_usr", "r9_usr", "r10_usr", "r11_usr", "r12_usr", "r13_usr", "r14_usr", /* 151. */ "r8_fiq", "r9_fiq", "r10_fiq", "r11_fiq", "r12_fiq", "r13_fiq", "r14_fiq", /* 158. */ "r13_irq", "r14_irq", /* 160. */ "r13_abt", "r14_abt", /* 162. */ "r13_und", "r14_und", /* 164. */ "r13_svc", "r14_svc", 0, 0, /* 168. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 176. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 184. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 192. */ "wC0", "wC1", "wC2", "wC3", "wC4", "wC5", "wC6", "wC7", /* 200. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 208. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 216. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 224. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 232. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 240. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 248. */ 0, 0, 0, 0, 0, 0, 0, 0, /* 256. */ "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", /* 264. */ "d8", "d9", "d10", "d11", "d12", "d13", "d14", "d15", /* 272. */ "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23", /* 280. */ "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/arm/Ginit_remote.c0000644000175000017500000000304713406755365014612 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/arm/Linit_remote.c0000644000175000017500000000021013406556425014600 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/arm/Gstep.c0000644000175000017500000001314313640667603013242 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #include "ex_tables.h" #include #define arm_exidx_step UNW_OBJ(arm_exidx_step) static inline int arm_exidx_step (struct cursor *c) { unw_word_t old_ip, old_cfa; uint8_t buf[32]; int ret; old_ip = c->dwarf.ip; old_cfa = c->dwarf.cfa; /* mark PC unsaved */ c->dwarf.loc[UNW_ARM_R15] = DWARF_NULL_LOC; unw_word_t ip = c->dwarf.ip; if (c->dwarf.use_prev_instr) --ip; /* check dynamic info first --- it overrides everything else */ ret = unwi_find_dynamic_proc_info (c->dwarf.as, ip, &c->dwarf.pi, 1, c->dwarf.as_arg); if (ret == -UNW_ENOINFO) { if ((ret = tdep_find_proc_info (&c->dwarf, ip, 1)) < 0) return ret; } if (c->dwarf.pi.format != UNW_INFO_FORMAT_ARM_EXIDX) return -UNW_ENOINFO; ret = arm_exidx_extract (&c->dwarf, buf); if (ret == -UNW_ESTOPUNWIND) return 0; else if (ret < 0) return ret; ret = arm_exidx_decode (buf, ret, &c->dwarf); if (ret < 0) return ret; if (c->dwarf.ip == old_ip && c->dwarf.cfa == old_cfa) { Dprintf ("%s: ip and cfa unchanged; stopping here (ip=0x%lx)\n", __FUNCTION__, (long) c->dwarf.ip); return -UNW_EBADFRAME; } c->dwarf.pi_valid = 0; return (c->dwarf.ip == 0) ? 0 : 1; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret = -UNW_EUNSPEC; Debug (1, "(cursor=%p)\n", c); /* Check if this is a signal frame. */ if (unw_is_signal_frame (cursor) > 0) return arm_handle_signal_frame (cursor); #ifdef CONFIG_DEBUG_FRAME /* First, try DWARF-based unwinding. */ if (UNW_TRY_METHOD(UNW_ARM_METHOD_DWARF)) { ret = dwarf_step (&c->dwarf); Debug(1, "dwarf_step()=%d\n", ret); if (likely (ret > 0)) return 1; else if (unlikely (ret == -UNW_ESTOPUNWIND)) return ret; if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } } #endif /* CONFIG_DEBUG_FRAME */ /* Next, try extbl-based unwinding. */ if (UNW_TRY_METHOD (UNW_ARM_METHOD_EXIDX)) { ret = arm_exidx_step (c); if (ret > 0) return 1; if (ret == -UNW_ESTOPUNWIND || ret == 0) return ret; } /* Fall back on APCS frame parsing. Note: This won't work in case the ARM EABI is used. */ #ifdef __FreeBSD__ if (0) #else if (unlikely (ret < 0)) #endif { if (UNW_TRY_METHOD(UNW_ARM_METHOD_FRAME)) { Debug (13, "dwarf_step() failed (ret=%d), trying frame-chain\n", ret); ret = UNW_ESUCCESS; /* DWARF unwinding failed, try to follow APCS/optimized APCS frame chain */ unw_word_t instr, i; dwarf_loc_t ip_loc, fp_loc; unw_word_t frame; /* Mark all registers unsaved, since we don't know where they are saved (if at all), except for the EBP and EIP. */ if (dwarf_get(&c->dwarf, c->dwarf.loc[UNW_ARM_R11], &frame) < 0) { return 0; } for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) { c->dwarf.loc[i] = DWARF_NULL_LOC; } if (frame) { if (dwarf_get(&c->dwarf, DWARF_LOC(frame, 0), &instr) < 0) { return 0; } instr -= 8; if (dwarf_get(&c->dwarf, DWARF_LOC(instr, 0), &instr) < 0) { return 0; } if ((instr & 0xFFFFD800) == 0xE92DD800) { /* Standard APCS frame. */ ip_loc = DWARF_LOC(frame - 4, 0); fp_loc = DWARF_LOC(frame - 12, 0); } else { /* Codesourcery optimized normal frame. */ ip_loc = DWARF_LOC(frame, 0); fp_loc = DWARF_LOC(frame - 4, 0); } if (dwarf_get(&c->dwarf, ip_loc, &c->dwarf.ip) < 0) { return 0; } c->dwarf.loc[UNW_ARM_R12] = ip_loc; c->dwarf.loc[UNW_ARM_R11] = fp_loc; c->dwarf.pi_valid = 0; Debug(15, "ip=%x\n", c->dwarf.ip); } else { ret = -UNW_ENOINFO; } } } return ret == -UNW_ENOINFO ? 0 : ret; } libunwind-1.3.2/src/arm/Linit_local.c0000644000175000017500000000020713406556425014405 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/arm/Lex_tables.c0000644000175000017500000000020613406556425014235 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gex_tables.c" #endif libunwind-1.3.2/src/arm/Linit.c0000644000175000017500000000020113406556425013225 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/arm/Ginit.c0000644000175000017500000001374013640667603013235 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static inline void * uc_addr (unw_tdep_context_t *uc, int reg) { if (reg >= UNW_ARM_R0 && reg < UNW_ARM_R0 + 16) return &uc->regs[reg - UNW_ARM_R0]; else return NULL; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (unw_tdep_context_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } #define PAGE_SIZE 4096 #define PAGE_START(a) ((a) & ~(PAGE_SIZE-1)) /* Cache of already validated addresses */ #define NLGA 4 static unw_word_t last_good_addr[NLGA]; static int lga_victim; static int validate_mem (unw_word_t addr) { int i, victim; size_t len; if (PAGE_START(addr + sizeof (unw_word_t) - 1) == PAGE_START(addr)) len = PAGE_SIZE; else len = PAGE_SIZE * 2; addr = PAGE_START(addr); if (addr == 0) return -1; for (i = 0; i < NLGA; i++) { if (last_good_addr[i] && (addr == last_good_addr[i])) return 0; } if (msync ((void *) addr, len, MS_ASYNC) == -1) return -1; victim = lga_victim; for (i = 0; i < NLGA; i++) { if (!last_good_addr[victim]) { last_good_addr[victim++] = addr; return 0; } victim = (victim + 1) % NLGA; } /* All slots full. Evict the victim. */ last_good_addr[victim] = addr; victim = (victim + 1) % NLGA; lga_victim = victim; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { /* validate address */ const struct cursor *c = (const struct cursor *) arg; if (c && validate_mem(addr)) return -1; if (write) { Debug (16, "mem[%x] <- %x\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (16, "mem[%x] -> %x\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; unw_tdep_context_t *uc = arg; if (unw_is_fpreg (reg)) goto badreg; Debug (16, "reg = %s\n", unw_regname (reg)); if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %x\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %x\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { unw_tdep_context_t *uc = arg; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf32_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void arm_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = arm_find_proc_info; local_addr_space.acc.put_unwind_info = arm_put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = arm_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/arm/Gglobal.c0000644000175000017500000000366113406556425013532 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (arm_lock); HIDDEN int tdep_init_done; /* Unwinding methods to use. See UNW_METHOD_ enums */ HIDDEN int unwi_unwind_method = UNW_ARM_METHOD_ALL; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&arm_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; /* read ARM unwind method setting */ const char* str = getenv ("UNW_ARM_UNWIND_METHOD"); if (str) { unwi_unwind_method = atoi (str); } mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY arm_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&arm_lock, saved_mask); } libunwind-1.3.2/src/arm/Lstep.c0000644000175000017500000000020113406556425013235 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/arm/Gex_tables.c0000644000175000017500000003720513406755365014245 00000000000000/* libunwind - a platform-independent unwind library Copyright 2011 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file contains functionality for parsing and interpreting the ARM specific unwind information. Documentation about the exception handling ABI for the ARM architecture can be found at: http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038a/IHI0038A_ehabi.pdf */ #include "libunwind_i.h" #define ARM_EXBUF_START(x) (((x) >> 4) & 0x0f) #define ARM_EXBUF_COUNT(x) ((x) & 0x0f) #define ARM_EXBUF_END(x) (ARM_EXBUF_START(x) + ARM_EXBUF_COUNT(x)) #define ARM_EXIDX_CANT_UNWIND 0x00000001 #define ARM_EXIDX_COMPACT 0x80000000 #define ARM_EXTBL_OP_FINISH 0xb0 enum arm_exbuf_cmd_flags { ARM_EXIDX_VFP_SHIFT_16 = 1 << 16, ARM_EXIDX_VFP_DOUBLE = 1 << 17, }; struct arm_cb_data { /* in: */ unw_word_t ip; /* instruction-pointer we're looking for */ unw_proc_info_t *pi; /* proc-info pointer */ /* out: */ unw_dyn_info_t di; /* info about the ARM exidx segment */ }; static inline uint32_t CONST_ATTR prel31_read (uint32_t prel31) { return ((int32_t)prel31 << 1) >> 1; } static inline int prel31_to_addr (unw_addr_space_t as, void *arg, unw_word_t prel31, unw_word_t *val) { unw_word_t offset; if ((*as->acc.access_mem)(as, prel31, &offset, 0, arg) < 0) return -UNW_EINVAL; offset = ((long)offset << 1) >> 1; *val = prel31 + offset; return 0; } /** * Applies the given command onto the new state to the given dwarf_cursor. */ HIDDEN int arm_exidx_apply_cmd (struct arm_exbuf_data *edata, struct dwarf_cursor *c) { int ret = 0; unsigned i; switch (edata->cmd) { case ARM_EXIDX_CMD_FINISH: /* Set LR to PC if not set already. */ if (DWARF_IS_NULL_LOC (c->loc[UNW_ARM_R15])) c->loc[UNW_ARM_R15] = c->loc[UNW_ARM_R14]; /* Set IP. */ dwarf_get (c, c->loc[UNW_ARM_R15], &c->ip); break; case ARM_EXIDX_CMD_DATA_PUSH: Debug (2, "vsp = vsp - %d\n", edata->data); c->cfa -= edata->data; break; case ARM_EXIDX_CMD_DATA_POP: Debug (2, "vsp = vsp + %d\n", edata->data); c->cfa += edata->data; break; case ARM_EXIDX_CMD_REG_POP: for (i = 0; i < 16; i++) if (edata->data & (1 << i)) { Debug (2, "pop {r%d}\n", i); c->loc[UNW_ARM_R0 + i] = DWARF_LOC (c->cfa, 0); c->cfa += 4; } /* Set cfa in case the SP got popped. */ if (edata->data & (1 << 13)) dwarf_get (c, c->loc[UNW_ARM_R13], &c->cfa); break; case ARM_EXIDX_CMD_REG_TO_SP: assert (edata->data < 16); Debug (2, "vsp = r%d\n", edata->data); c->loc[UNW_ARM_R13] = c->loc[UNW_ARM_R0 + edata->data]; dwarf_get (c, c->loc[UNW_ARM_R13], &c->cfa); break; case ARM_EXIDX_CMD_VFP_POP: /* Skip VFP registers, but be sure to adjust stack */ for (i = ARM_EXBUF_START (edata->data); i <= ARM_EXBUF_END (edata->data); i++) c->cfa += 8; if (!(edata->data & ARM_EXIDX_VFP_DOUBLE)) c->cfa += 4; break; case ARM_EXIDX_CMD_WREG_POP: for (i = ARM_EXBUF_START (edata->data); i <= ARM_EXBUF_END (edata->data); i++) c->cfa += 8; break; case ARM_EXIDX_CMD_WCGR_POP: for (i = 0; i < 4; i++) if (edata->data & (1 << i)) c->cfa += 4; break; case ARM_EXIDX_CMD_REFUSED: case ARM_EXIDX_CMD_RESERVED: ret = -1; break; } return ret; } /** * Decodes the given unwind instructions into arm_exbuf_data and calls * arm_exidx_apply_cmd that applies the command onto the dwarf_cursor. */ HIDDEN int arm_exidx_decode (const uint8_t *buf, uint8_t len, struct dwarf_cursor *c) { #define READ_OP() *buf++ const uint8_t *end = buf + len; int ret; struct arm_exbuf_data edata; assert(buf != NULL); assert(len > 0); while (buf < end) { uint8_t op = READ_OP (); if ((op & 0xc0) == 0x00) { edata.cmd = ARM_EXIDX_CMD_DATA_POP; edata.data = (((int)op & 0x3f) << 2) + 4; } else if ((op & 0xc0) == 0x40) { edata.cmd = ARM_EXIDX_CMD_DATA_PUSH; edata.data = (((int)op & 0x3f) << 2) + 4; } else if ((op & 0xf0) == 0x80) { uint8_t op2 = READ_OP (); if (op == 0x80 && op2 == 0x00) edata.cmd = ARM_EXIDX_CMD_REFUSED; else { edata.cmd = ARM_EXIDX_CMD_REG_POP; edata.data = ((op & 0xf) << 8) | op2; edata.data = edata.data << 4; } } else if ((op & 0xf0) == 0x90) { if (op == 0x9d || op == 0x9f) edata.cmd = ARM_EXIDX_CMD_RESERVED; else { edata.cmd = ARM_EXIDX_CMD_REG_TO_SP; edata.data = op & 0x0f; } } else if ((op & 0xf0) == 0xa0) { unsigned end = (op & 0x07); edata.data = (1 << (end + 1)) - 1; edata.data = edata.data << 4; if (op & 0x08) edata.data |= 1 << 14; edata.cmd = ARM_EXIDX_CMD_REG_POP; } else if (op == ARM_EXTBL_OP_FINISH) { edata.cmd = ARM_EXIDX_CMD_FINISH; buf = end; } else if (op == 0xb1) { uint8_t op2 = READ_OP (); if (op2 == 0 || (op2 & 0xf0)) edata.cmd = ARM_EXIDX_CMD_RESERVED; else { edata.cmd = ARM_EXIDX_CMD_REG_POP; edata.data = op2 & 0x0f; } } else if (op == 0xb2) { uint32_t offset = 0; uint8_t byte, shift = 0; do { byte = READ_OP (); offset |= (byte & 0x7f) << shift; shift += 7; } while (byte & 0x80); edata.data = offset * 4 + 0x204; edata.cmd = ARM_EXIDX_CMD_DATA_POP; } else if (op == 0xb3 || op == 0xc8 || op == 0xc9) { edata.cmd = ARM_EXIDX_CMD_VFP_POP; edata.data = READ_OP (); if (op == 0xc8) edata.data |= ARM_EXIDX_VFP_SHIFT_16; if (op != 0xb3) edata.data |= ARM_EXIDX_VFP_DOUBLE; } else if ((op & 0xf8) == 0xb8 || (op & 0xf8) == 0xd0) { edata.cmd = ARM_EXIDX_CMD_VFP_POP; edata.data = 0x80 | (op & 0x07); if ((op & 0xf8) == 0xd0) edata.data |= ARM_EXIDX_VFP_DOUBLE; } else if (op >= 0xc0 && op <= 0xc5) { edata.cmd = ARM_EXIDX_CMD_WREG_POP; edata.data = 0xa0 | (op & 0x07); } else if (op == 0xc6) { edata.cmd = ARM_EXIDX_CMD_WREG_POP; edata.data = READ_OP (); } else if (op == 0xc7) { uint8_t op2 = READ_OP (); if (op2 == 0 || (op2 & 0xf0)) edata.cmd = ARM_EXIDX_CMD_RESERVED; else { edata.cmd = ARM_EXIDX_CMD_WCGR_POP; edata.data = op2 & 0x0f; } } else edata.cmd = ARM_EXIDX_CMD_RESERVED; ret = arm_exidx_apply_cmd (&edata, c); if (ret < 0) return ret; } return 0; } /** * Reads the entry from the given cursor and extracts the unwind instructions * into buf. Returns the number of the extracted unwind insns or * -UNW_ESTOPUNWIND if the special bit pattern ARM_EXIDX_CANT_UNWIND (0x1) was * found. */ HIDDEN int arm_exidx_extract (struct dwarf_cursor *c, uint8_t *buf) { int nbuf = 0; unw_word_t entry = (unw_word_t) c->pi.unwind_info; unw_word_t addr; uint32_t data; /* An ARM unwind entry consists of a prel31 offset to the start of a function followed by 31bits of data: * if set to 0x1: the function cannot be unwound (EXIDX_CANTUNWIND) * if bit 31 is one: this is a table entry itself (ARM_EXIDX_COMPACT) * if bit 31 is zero: this is a prel31 offset of the start of the table entry for this function */ if (prel31_to_addr(c->as, c->as_arg, entry, &addr) < 0) return -UNW_EINVAL; if ((*c->as->acc.access_mem)(c->as, entry + 4, &data, 0, c->as_arg) < 0) return -UNW_EINVAL; if (data == ARM_EXIDX_CANT_UNWIND) { Debug (2, "0x1 [can't unwind]\n"); nbuf = -UNW_ESTOPUNWIND; } else if (data & ARM_EXIDX_COMPACT) { Debug (2, "%p compact model %d [%8.8x]\n", (void *)addr, (data >> 24) & 0x7f, data); buf[nbuf++] = data >> 16; buf[nbuf++] = data >> 8; buf[nbuf++] = data; } else { unw_word_t extbl_data; unsigned int n_table_words = 0; if (prel31_to_addr(c->as, c->as_arg, entry + 4, &extbl_data) < 0) return -UNW_EINVAL; if ((*c->as->acc.access_mem)(c->as, extbl_data, &data, 0, c->as_arg) < 0) return -UNW_EINVAL; if (data & ARM_EXIDX_COMPACT) { int pers = (data >> 24) & 0x0f; Debug (2, "%p compact model %d [%8.8x]\n", (void *)addr, pers, data); if (pers == 1 || pers == 2) { n_table_words = (data >> 16) & 0xff; extbl_data += 4; } else buf[nbuf++] = data >> 16; buf[nbuf++] = data >> 8; buf[nbuf++] = data; } else { unw_word_t pers; if (prel31_to_addr (c->as, c->as_arg, extbl_data, &pers) < 0) return -UNW_EINVAL; Debug (2, "%p Personality routine: %8p\n", (void *)addr, (void *)pers); if ((*c->as->acc.access_mem)(c->as, extbl_data + 4, &data, 0, c->as_arg) < 0) return -UNW_EINVAL; n_table_words = data >> 24; buf[nbuf++] = data >> 16; buf[nbuf++] = data >> 8; buf[nbuf++] = data; extbl_data += 8; } assert (n_table_words <= 5); unsigned j; for (j = 0; j < n_table_words; j++) { if ((*c->as->acc.access_mem)(c->as, extbl_data, &data, 0, c->as_arg) < 0) return -UNW_EINVAL; extbl_data += 4; buf[nbuf++] = data >> 24; buf[nbuf++] = data >> 16; buf[nbuf++] = data >> 8; buf[nbuf++] = data >> 0; } } if (nbuf > 0 && buf[nbuf - 1] != ARM_EXTBL_OP_FINISH) buf[nbuf++] = ARM_EXTBL_OP_FINISH; return nbuf; } int arm_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg) { /* The .ARM.exidx section contains a sorted list of key-value pairs - the unwind entries. The 'key' is a prel31 offset to the start of a function. We binary search this section in order to find the appropriate unwind entry. */ unw_word_t first = di->u.rti.table_data; unw_word_t last = di->u.rti.table_data + di->u.rti.table_len - 8; unw_word_t entry, val; if (prel31_to_addr (as, arg, first, &val) < 0 || ip < val) return -UNW_ENOINFO; if (prel31_to_addr (as, arg, last, &val) < 0) return -UNW_EINVAL; if (ip >= val) { entry = last; if (prel31_to_addr (as, arg, last, &pi->start_ip) < 0) return -UNW_EINVAL; pi->end_ip = di->end_ip -1; } else { while (first < last - 8) { entry = first + (((last - first) / 8 + 1) >> 1) * 8; if (prel31_to_addr (as, arg, entry, &val) < 0) return -UNW_EINVAL; if (ip < val) last = entry; else first = entry; } entry = first; if (prel31_to_addr (as, arg, entry, &pi->start_ip) < 0) return -UNW_EINVAL; if (prel31_to_addr (as, arg, entry + 8, &pi->end_ip) < 0) return -UNW_EINVAL; pi->end_ip--; } if (need_unwind_info) { pi->unwind_info_size = 8; pi->unwind_info = (void *) entry; pi->format = UNW_INFO_FORMAT_ARM_EXIDX; } return 0; } int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg) { if (UNW_TRY_METHOD (UNW_ARM_METHOD_EXIDX) && di->format == UNW_INFO_FORMAT_ARM_EXIDX) return arm_search_unwind_table (as, ip, di, pi, need_unwind_info, arg); else if (UNW_TRY_METHOD(UNW_ARM_METHOD_DWARF) && di->format != UNW_INFO_FORMAT_ARM_EXIDX) return dwarf_search_unwind_table (as, ip, di, pi, need_unwind_info, arg); return -UNW_ENOINFO; } #ifndef UNW_REMOTE_ONLY /** * Callback to dl_iterate_phdr to find infos about the ARM exidx segment. */ static int arm_phdr_cb (struct dl_phdr_info *info, size_t size, void *data) { struct arm_cb_data *cb_data = data; const Elf_W(Phdr) *p_text = NULL; const Elf_W(Phdr) *p_arm_exidx = NULL; const Elf_W(Phdr) *phdr = info->dlpi_phdr; long n; for (n = info->dlpi_phnum; --n >= 0; phdr++) { switch (phdr->p_type) { case PT_LOAD: if (cb_data->ip >= phdr->p_vaddr + info->dlpi_addr && cb_data->ip < phdr->p_vaddr + info->dlpi_addr + phdr->p_memsz) p_text = phdr; break; case PT_ARM_EXIDX: p_arm_exidx = phdr; break; default: break; } } if (p_text && p_arm_exidx) { cb_data->di.format = UNW_INFO_FORMAT_ARM_EXIDX; cb_data->di.start_ip = p_text->p_vaddr + info->dlpi_addr; cb_data->di.end_ip = cb_data->di.start_ip + p_text->p_memsz; cb_data->di.u.rti.name_ptr = (unw_word_t) info->dlpi_name; cb_data->di.u.rti.table_data = p_arm_exidx->p_vaddr + info->dlpi_addr; cb_data->di.u.rti.table_len = p_arm_exidx->p_memsz; return 1; } return 0; } HIDDEN int arm_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { int ret = -1; intrmask_t saved_mask; Debug (14, "looking for IP=0x%lx\n", (long) ip); if (UNW_TRY_METHOD(UNW_ARM_METHOD_DWARF)) ret = dwarf_find_proc_info (as, ip, pi, need_unwind_info, arg); if (ret < 0 && UNW_TRY_METHOD (UNW_ARM_METHOD_EXIDX)) { struct arm_cb_data cb_data; memset (&cb_data, 0, sizeof (cb_data)); cb_data.ip = ip; cb_data.pi = pi; cb_data.di.format = -1; SIGPROCMASK (SIG_SETMASK, &unwi_full_mask, &saved_mask); ret = dl_iterate_phdr (arm_phdr_cb, &cb_data); SIGPROCMASK (SIG_SETMASK, &saved_mask, NULL); if (cb_data.di.format != -1) ret = arm_search_unwind_table (as, ip, &cb_data.di, pi, need_unwind_info, arg); else ret = -UNW_ENOINFO; } return ret; } HIDDEN void arm_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/arm/Gos-linux.c0000644000175000017500000001556313406755365014060 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #include "offsets.h" HIDDEN int arm_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) return -UNW_EUNSPEC; /* Obtain signal frame type (non-RT or RT). */ ret = unw_is_signal_frame (cursor); /* Save the SP and PC to be able to return execution at this point later in time (unw_resume). */ c->sigcontext_sp = c->dwarf.cfa; c->sigcontext_pc = c->dwarf.ip; /* Since kernel version 2.6.18 the non-RT signal frame starts with a ucontext while the RT signal frame starts with a siginfo, followed by a sigframe whose first element is an ucontext. Prior 2.6.18 the non-RT signal frame starts with a sigcontext while the RT signal frame starts with two pointers followed by a siginfo and an ucontext. The first pointer points to the start of the siginfo structure and the second one to the ucontext structure. */ if (ret == 1) { /* Handle non-RT signal frames. Check if the first word on the stack is the magic number. */ if (sp == 0x5ac3c35a) { c->sigcontext_format = ARM_SCF_LINUX_SIGFRAME; sc_addr = sp_addr + LINUX_UC_MCONTEXT_OFF; } else { c->sigcontext_format = ARM_SCF_LINUX_OLD_SIGFRAME; sc_addr = sp_addr; } } else if (ret == 2) { /* Handle RT signal frames. Check if the first word on the stack is a pointer to the siginfo structure. */ if (sp == sp_addr + 8) { c->sigcontext_format = ARM_SCF_LINUX_OLD_RT_SIGFRAME; sc_addr = sp_addr + 8 + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; } else { c->sigcontext_format = ARM_SCF_LINUX_RT_SIGFRAME; sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; } } else return -UNW_EUNSPEC; c->sigcontext_addr = sc_addr; c->frame_info.frame_type = UNW_ARM_FRAME_SIGRETURN; c->frame_info.cfa_reg_offset = sc_addr - sp_addr; /* Update the dwarf cursor. Set the location of the registers to the corresponding addresses of the uc_mcontext / sigcontext structure contents. */ c->dwarf.loc[UNW_ARM_R0] = DWARF_LOC (sc_addr + LINUX_SC_R0_OFF, 0); c->dwarf.loc[UNW_ARM_R1] = DWARF_LOC (sc_addr + LINUX_SC_R1_OFF, 0); c->dwarf.loc[UNW_ARM_R2] = DWARF_LOC (sc_addr + LINUX_SC_R2_OFF, 0); c->dwarf.loc[UNW_ARM_R3] = DWARF_LOC (sc_addr + LINUX_SC_R3_OFF, 0); c->dwarf.loc[UNW_ARM_R4] = DWARF_LOC (sc_addr + LINUX_SC_R4_OFF, 0); c->dwarf.loc[UNW_ARM_R5] = DWARF_LOC (sc_addr + LINUX_SC_R5_OFF, 0); c->dwarf.loc[UNW_ARM_R6] = DWARF_LOC (sc_addr + LINUX_SC_R6_OFF, 0); c->dwarf.loc[UNW_ARM_R7] = DWARF_LOC (sc_addr + LINUX_SC_R7_OFF, 0); c->dwarf.loc[UNW_ARM_R8] = DWARF_LOC (sc_addr + LINUX_SC_R8_OFF, 0); c->dwarf.loc[UNW_ARM_R9] = DWARF_LOC (sc_addr + LINUX_SC_R9_OFF, 0); c->dwarf.loc[UNW_ARM_R10] = DWARF_LOC (sc_addr + LINUX_SC_R10_OFF, 0); c->dwarf.loc[UNW_ARM_R11] = DWARF_LOC (sc_addr + LINUX_SC_FP_OFF, 0); c->dwarf.loc[UNW_ARM_R12] = DWARF_LOC (sc_addr + LINUX_SC_IP_OFF, 0); c->dwarf.loc[UNW_ARM_R13] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0); c->dwarf.loc[UNW_ARM_R14] = DWARF_LOC (sc_addr + LINUX_SC_LR_OFF, 0); c->dwarf.loc[UNW_ARM_R15] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R13], &c->dwarf.cfa); dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R15], &c->dwarf.ip); c->dwarf.pi_valid = 0; return 1; } #define ARM_NR_sigreturn 119 #define ARM_NR_rt_sigreturn 173 #define ARM_NR_OABI_SYSCALL_BASE 0x900000 /* ARM EABI sigreturn (the syscall number is loaded into r7) */ #define MOV_R7_SIGRETURN (0xe3a07000UL | ARM_NR_sigreturn) #define MOV_R7_RT_SIGRETURN (0xe3a07000UL | ARM_NR_rt_sigreturn) /* ARM OABI sigreturn (using SWI) */ #define ARM_SIGRETURN \ (0xef000000UL | ARM_NR_sigreturn | ARM_NR_OABI_SYSCALL_BASE) #define ARM_RT_SIGRETURN \ (0xef000000UL | ARM_NR_rt_sigreturn | ARM_NR_OABI_SYSCALL_BASE) /* Thumb sigreturn (two insns, syscall number is loaded into r7) */ #define THUMB_SIGRETURN (0xdf00UL << 16 | 0x2700 | ARM_NR_sigreturn) #define THUMB_RT_SIGRETURN (0xdf00UL << 16 | 0x2700 | ARM_NR_rt_sigreturn) /* Thumb2 sigreturn (mov.w r7, $SYS_ify(rt_sigreturn/sigreturn)) */ #define THUMB2_SIGRETURN (((0x0700 | ARM_NR_sigreturn) << 16) | \ 0xf04f) #define THUMB2_RT_SIGRETURN (((0x0700 | ARM_NR_rt_sigreturn) << 16) | \ 0xf04f) /* TODO: with different toolchains, there are a lot more possibilities */ /* Returns 1 in case of a non-RT signal frame and 2 in case of a RT signal frame. */ int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; /* The least bit denotes thumb/arm mode. Do not read there. */ ip = c->dwarf.ip & ~0x1; if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0) return ret; /* Return 1 if the IP points to a non-RT sigreturn sequence. */ if (w0 == MOV_R7_SIGRETURN || w0 == ARM_SIGRETURN || w0 == THUMB_SIGRETURN || w0 == THUMB2_SIGRETURN) return 1; /* Return 2 if the IP points to a RT sigreturn sequence. */ else if (w0 == MOV_R7_RT_SIGRETURN || w0 == ARM_RT_SIGRETURN || w0 == THUMB_RT_SIGRETURN || w0 == THUMB2_RT_SIGRETURN) return 2; return 0; } libunwind-1.3.2/src/arm/siglongjmp.S0000644000175000017500000000036413406556425014311 00000000000000 /* Dummy implementation for now. */ .globl _UI_siglongjmp_cont .globl _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: bx lr #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",%progbits #endif libunwind-1.3.2/src/arm/Los-freebsd.c0000644000175000017500000000020713406755365014325 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-freebsd.c" #endif libunwind-1.3.2/src/arm/Los-other.c0000644000175000017500000000020713406755365014034 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-freebsd.c" #endif libunwind-1.3.2/src/arm/Lget_save_loc.c0000644000175000017500000000021113406556425014715 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/arm/Lglobal.c0000644000175000017500000000020313406556425013524 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/arm/Gresume.c0000644000175000017500000001115113640667603013564 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #ifndef UNW_REMOTE_ONLY HIDDEN inline int arm_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_tdep_context_t *uc = c->dwarf.as_arg; if (c->sigcontext_format == ARM_SCF_NONE) { /* Since there are no signals involved here we restore the non scratch registers only. */ unsigned long regs[10]; regs[0] = uc->regs[4]; regs[1] = uc->regs[5]; regs[2] = uc->regs[6]; regs[3] = uc->regs[7]; regs[4] = uc->regs[8]; regs[5] = uc->regs[9]; regs[6] = uc->regs[10]; regs[7] = uc->regs[11]; /* FP */ regs[8] = uc->regs[13]; /* SP */ regs[9] = uc->regs[14]; /* LR */ struct regs_overlay { char x[sizeof(regs)]; }; asm __volatile__ ( "ldmia %0, {r4-r12, lr}\n" "mov sp, r12\n" "bx lr\n" : : "r" (regs), "m" (*(struct regs_overlay *)regs) ); } else { /* In case a signal frame is involved, we're using its trampoline which calls sigreturn. */ struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; sc->arm_r0 = uc->regs[0]; sc->arm_r1 = uc->regs[1]; sc->arm_r2 = uc->regs[2]; sc->arm_r3 = uc->regs[3]; sc->arm_r4 = uc->regs[4]; sc->arm_r5 = uc->regs[5]; sc->arm_r6 = uc->regs[6]; sc->arm_r7 = uc->regs[7]; sc->arm_r8 = uc->regs[8]; sc->arm_r9 = uc->regs[9]; sc->arm_r10 = uc->regs[10]; sc->arm_fp = uc->regs[11]; /* FP */ sc->arm_ip = uc->regs[12]; /* IP */ sc->arm_sp = uc->regs[13]; /* SP */ sc->arm_lr = uc->regs[14]; /* LR */ sc->arm_pc = uc->regs[15]; /* PC */ /* clear the ITSTATE bits. */ sc->arm_cpsr &= 0xf9ff03ffUL; /* Set the SP and the PC in order to continue execution at the modified trampoline which restores the signal mask and the registers. */ asm __volatile__ ( "mov sp, %0\n" "bx %1\n" : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) ); } unreachable(); #else printf ("%s: implement me\n", __FUNCTION__); #endif return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ static inline void establish_machine_state (struct cursor *c) { unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) as->acc.access_fpreg (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) as->acc.access_reg (as, reg, &val, 1, arg); } } } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; Debug (1, "(cursor=%p)\n", c); if (!c->dwarf.ip) { /* This can happen easily when the frame-chain gets truncated due to bad or missing unwind-info. */ Debug (1, "refusing to resume execution at address 0\n"); return -UNW_EINVAL; } establish_machine_state (c); return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/arm/Ltrace.c0000644000175000017500000000020313406556425013362 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gtrace.c" #endif libunwind-1.3.2/src/arm/Gcreate_addr_space.c0000644000175000017500000000340413406755365015701 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * ARM supports little-endian and big-endian. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; /* Default to little-endian for ARM. */ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) as->big_endian = 0; else as->big_endian = 1; return as; #endif } libunwind-1.3.2/src/arm/offsets.h0000644000175000017500000000250113406755365013635 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* Offsets for ARM Linux "ucontext_t": */ #define LINUX_UC_FLAGS_OFF 0x00 #define LINUX_UC_LINK_OFF 0x04 #define LINUX_UC_STACK_OFF 0x08 #define LINUX_UC_MCONTEXT_OFF 0x14 #define LINUX_UC_SIGMASK_OFF 0x68 #define LINUX_UC_REGSPACE_OFF 0xE8 /* Offsets for ARM Linux "struct sigcontext": */ #define LINUX_SC_TRAPNO_OFF 0x00 #define LINUX_SC_ERRORCODE_OFF 0x04 #define LINUX_SC_OLDMASK_OFF 0x08 #define LINUX_SC_R0_OFF 0x0C #define LINUX_SC_R1_OFF 0x10 #define LINUX_SC_R2_OFF 0x14 #define LINUX_SC_R3_OFF 0x18 #define LINUX_SC_R4_OFF 0x1C #define LINUX_SC_R5_OFF 0x20 #define LINUX_SC_R6_OFF 0x24 #define LINUX_SC_R7_OFF 0x28 #define LINUX_SC_R8_OFF 0x2C #define LINUX_SC_R9_OFF 0x30 #define LINUX_SC_R10_OFF 0x34 #define LINUX_SC_FP_OFF 0x38 #define LINUX_SC_IP_OFF 0x3C #define LINUX_SC_SP_OFF 0x40 #define LINUX_SC_LR_OFF 0x44 #define LINUX_SC_PC_OFF 0x48 #define LINUX_SC_CPSR_OFF 0x4C #define LINUX_SC_FAULTADDR_OFF 0x50 /* FreeBSD-specific definitions: */ #define FREEBSD_SC_UCONTEXT_OFF 0x40 #define FREEBSD_UC_MCONTEXT_OFF 0x10 #define FREEBSD_MC_R0_OFF 0 libunwind-1.3.2/src/arm/Lreg_states_iterate.c0000644000175000017500000000021713406755365016152 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/arm/Gget_proc_info.c0000644000175000017500000000274413406755365015114 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; /* We can only unwind using Dwarf into on ARM: return failure code if it's not present. */ ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) return ret; *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/arm/getcontext.S0000644000175000017500000000435613406755365014335 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" .text .arm .global _Uarm_getcontext .type _Uarm_getcontext, %function @ This is a stub version of getcontext() for ARM which only stores core @ registers. It must be called in a special way, not as a regular @ function -- see also the libunwind-arm.h:unw_tdep_getcontext macro. _Uarm_getcontext: stmfd sp!, {r0, r1} @ store r0 #if defined(__linux__) str r0, [r0, #LINUX_UC_MCONTEXT_OFF + LINUX_SC_R0_OFF] add r0, r0, #LINUX_UC_MCONTEXT_OFF + LINUX_SC_R0_OFF #elif defined(__FreeBSD__) str r0, [r0, #FREEBSD_UC_MCONTEXT_OFF + FREEBSD_MC_R0_OFF] add r0, r0, #FREEBSD_UC_MCONTEXT_OFF + FREEBSD_MC_R0_OFF #else #error Fix me #endif @ store r1 to r12 stmib r0, {r1-r12} @ reconstruct r13 at call site, then store add r1, sp, #12 str r1, [r0, #13 * 4] @ retrieve r14 from call site, then store ldr r1, [sp, #8] str r1, [r0, #14 * 4] @ point lr to instruction after call site's stack adjustment add r1, lr, #4 str r1, [r0, #15 * 4] ldmfd sp!, {r0, r1} bx lr #if defined(__linux__) || defined(__FreeBSD__) /* We do not need executable stack. */ .section .note.GNU-stack,"",%progbits #endif libunwind-1.3.2/src/arm/Gos-freebsd.c0000644000175000017500000001022113406755365014315 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala Copyright 2015 The FreeBSD Foundation Portions of this software were developed by Konstantin Belousov under sponsorship from the FreeBSD Foundation. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #include "offsets.h" #include "ex_tables.h" HIDDEN int arm_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret, fmt; unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) return -UNW_EUNSPEC; fmt = unw_is_signal_frame(cursor); c->dwarf.pi_valid = 0; if (fmt == UNW_ARM_FRAME_SYSCALL) { c->sigcontext_format = ARM_SCF_FREEBSD_SYSCALL; c->frame_info.frame_type = UNW_ARM_FRAME_SYSCALL; c->frame_info.cfa_reg_offset = 0; c->dwarf.loc[UNW_ARM_R7] = c->dwarf.loc[UNW_ARM_R12]; dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R14], &c->dwarf.ip); return 1; } c->sigcontext_format = ARM_SCF_FREEBSD_SIGFRAME; sc_addr = sp_addr; /* Save the SP and PC to be able to return execution at this point later in time (unw_resume). */ c->sigcontext_sp = c->dwarf.cfa; c->sigcontext_pc = c->dwarf.ip; c->sigcontext_addr = sc_addr; c->frame_info.frame_type = UNW_ARM_FRAME_SIGRETURN; c->frame_info.cfa_reg_offset = sc_addr - sp_addr; /* Update the dwarf cursor. Set the location of the registers to the corresponding addresses of the uc_mcontext / sigcontext structure contents. */ #define ROFF(n) (FREEBSD_SC_UCONTEXT_OFF + FREEBSD_UC_MCONTEXT_OFF + \ FREEBSD_MC_R0_OFF + (n) * 4) #define SL(n) \ c->dwarf.loc[UNW_ARM_R ## n] = DWARF_LOC (sc_addr + ROFF(n), 0); SL(0); SL(1); SL(2); SL(3); SL(4); SL(5); SL(6); SL(7); SL(8); SL(9); SL(10); SL(11); SL(12); SL(13); SL(14); SL(15); #undef SL #undef ROFF /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R13], &c->dwarf.cfa); dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R15], &c->dwarf.ip); return 1; } /* Returns 1 in case of a non-RT signal frame and 2 in case of a RT signal frame. */ int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, w2, w3, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; ip = c->dwarf.ip; if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0) return ret; if ((ret = (*a->access_mem) (as, ip + 4, &w1, 0, arg)) < 0) return ret; if ((ret = (*a->access_mem) (as, ip + 8, &w2, 0, arg)) < 0) return ret; if ((ret = (*a->access_mem) (as, ip + 12, &w3, 0, arg)) < 0) return ret; if (w0 == 0xe1a0000d && w1 == 0xe2800040 && w2 == 0xe59f700c && w3 == 0xef0001a1) return UNW_ARM_FRAME_SIGRETURN; if ((ret = (*a->access_mem) (as, ip - 4, &w0, 0, arg)) < 0) return ret; if (w0 == 0xef000000) return UNW_ARM_FRAME_SYSCALL; return 0; } libunwind-1.3.2/src/arm/Gapply_reg_state.c0000644000175000017500000000300513406755365015450 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/arm/Lcreate_addr_space.c0000644000175000017500000000021613406556425015700 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/arm/Lget_proc_info.c0000644000175000017500000000021213406556425015101 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/arm/is_fpreg.c0000644000175000017500000000332013406755365013755 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" /* FIXME: I'm not sure if libunwind's GP/FP register distinction is very useful on ARM. Count all the FP or coprocessor registers we know about for now. */ int unw_is_fpreg (int regnum) { return ((regnum >= UNW_ARM_S0 && regnum <= UNW_ARM_S31) || (regnum >= UNW_ARM_F0 && regnum <= UNW_ARM_F7) || (regnum >= UNW_ARM_wCGR0 && regnum <= UNW_ARM_wCGR7) || (regnum >= UNW_ARM_wR0 && regnum <= UNW_ARM_wR15) || (regnum >= UNW_ARM_wC0 && regnum <= UNW_ARM_wC7) || (regnum >= UNW_ARM_D0 && regnum <= UNW_ARM_D31)); } libunwind-1.3.2/src/arm/Gregs.c0000644000175000017500000000457613406755365013244 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; switch (reg) { case UNW_ARM_R15: if (write) c->dwarf.ip = *valp; /* update the IP cache */ case UNW_ARM_R0: case UNW_ARM_R1: case UNW_ARM_R2: case UNW_ARM_R3: case UNW_ARM_R4: case UNW_ARM_R5: case UNW_ARM_R6: case UNW_ARM_R7: case UNW_ARM_R8: case UNW_ARM_R9: case UNW_ARM_R10: case UNW_ARM_R11: case UNW_ARM_R12: case UNW_ARM_R14: loc = c->dwarf.loc[reg - UNW_ARM_R0]; break; case UNW_ARM_R13: case UNW_ARM_CFA: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; /* FIXME: Initialise coprocessor & shadow registers? */ default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } /* FIXME for ARM. */ HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } libunwind-1.3.2/src/arm/Lresume.c0000644000175000017500000000020313406556425013564 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/arm/init.h0000644000175000017500000000606113406755365013134 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret, i; c->dwarf.loc[UNW_ARM_R0] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R0); c->dwarf.loc[UNW_ARM_R1] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R1); c->dwarf.loc[UNW_ARM_R2] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R2); c->dwarf.loc[UNW_ARM_R3] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R3); c->dwarf.loc[UNW_ARM_R4] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R4); c->dwarf.loc[UNW_ARM_R5] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R5); c->dwarf.loc[UNW_ARM_R6] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R6); c->dwarf.loc[UNW_ARM_R7] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R7); c->dwarf.loc[UNW_ARM_R8] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R8); c->dwarf.loc[UNW_ARM_R9] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R9); c->dwarf.loc[UNW_ARM_R10] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R10); c->dwarf.loc[UNW_ARM_R11] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R11); c->dwarf.loc[UNW_ARM_R12] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R12); c->dwarf.loc[UNW_ARM_R13] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13); c->dwarf.loc[UNW_ARM_R14] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R14); c->dwarf.loc[UNW_ARM_R15] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R15); for (i = UNW_ARM_R15 + 1; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_ARM_R15], &c->dwarf.ip); if (ret < 0) return ret; /* FIXME: correct for ARM? */ ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13), &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = ARM_SCF_NONE; c->sigcontext_addr = 0; c->sigcontext_sp = 0; c->sigcontext_pc = 0; /* FIXME: Initialisation for other registers. */ c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/Makefile.am0000644000175000017500000007243513640667603013302 00000000000000SOVERSION=8:1:0 # See comments at end of file. SETJMP_SO_VERSION=0:0:0 COREDUMP_SO_VERSION=0:0:0 # # Don't link with start-files since we don't use any constructors/destructors: # COMMON_SO_LDFLAGS = $(LDFLAGS_NOSTARTFILES) lib_LIBRARIES = lib_LTLIBRARIES = if !REMOTE_ONLY lib_LTLIBRARIES += libunwind.la if BUILD_PTRACE lib_LTLIBRARIES += libunwind-ptrace.la endif if BUILD_COREDUMP lib_LTLIBRARIES += libunwind-coredump.la endif endif noinst_HEADERS = noinst_LTLIBRARIES = pkgconfigdir = $(libdir)/pkgconfig pkgconfig_DATA = libunwind-generic.pc if !REMOTE_ONLY pkgconfig_DATA += unwind/libunwind.pc endif if BUILD_PTRACE pkgconfig_DATA += ptrace/libunwind-ptrace.pc endif if BUILD_SETJMP pkgconfig_DATA += setjmp/libunwind-setjmp.pc endif if BUILD_COREDUMP pkgconfig_DATA += coredump/libunwind-coredump.pc endif ### libunwind-ptrace: libunwind_ptrace_la_SOURCES = \ ptrace/_UPT_elf.c \ ptrace/_UPT_accessors.c ptrace/_UPT_access_fpreg.c \ ptrace/_UPT_access_mem.c ptrace/_UPT_access_reg.c \ ptrace/_UPT_create.c ptrace/_UPT_destroy.c \ ptrace/_UPT_find_proc_info.c ptrace/_UPT_get_dyn_info_list_addr.c \ ptrace/_UPT_put_unwind_info.c ptrace/_UPT_get_proc_name.c \ ptrace/_UPT_reg_offset.c ptrace/_UPT_resume.c noinst_HEADERS += ptrace/_UPT_internal.h ### libunwind-coredump: libunwind_coredump_la_SOURCES = \ coredump/_UCD_accessors.c \ coredump/_UCD_create.c \ coredump/_UCD_destroy.c \ coredump/_UCD_access_mem.c \ coredump/_UCD_elf_map_image.c \ coredump/_UCD_find_proc_info.c \ coredump/_UCD_get_proc_name.c \ \ coredump/_UPT_elf.c \ coredump/_UPT_access_fpreg.c \ coredump/_UPT_get_dyn_info_list_addr.c \ coredump/_UPT_put_unwind_info.c \ coredump/_UPT_resume.c libunwind_coredump_la_LDFLAGS = $(COMMON_SO_LDFLAGS) \ -version-info $(COREDUMP_SO_VERSION) libunwind_coredump_la_LIBADD = $(LIBLZMA) noinst_HEADERS += coredump/_UCD_internal.h coredump/_UCD_lib.h ### libunwind-setjmp: libunwind_setjmp_la_LDFLAGS = $(COMMON_SO_LDFLAGS) \ -version-info $(SETJMP_SO_VERSION) if USE_ELF32 LIBUNWIND_ELF = libunwind-elf32.la endif if USE_ELF64 LIBUNWIND_ELF = libunwind-elf64.la endif if USE_ELFXX LIBUNWIND_ELF = libunwind-elfxx.la endif libunwind_setjmp_la_LIBADD = $(LIBUNWIND_ELF) \ libunwind-$(arch).la \ libunwind.la -lc libunwind_setjmp_la_SOURCES = setjmp/longjmp.c \ setjmp/siglongjmp.c noinst_HEADERS += setjmp/setjmp_i.h ### libunwind: libunwind_la_LIBADD = # List of arch-independent files needed by both local-only and generic # libraries: libunwind_la_SOURCES_common = \ $(libunwind_la_SOURCES_os) \ mi/init.c mi/flush_cache.c mi/mempool.c mi/strerror.c # List of arch-independent files needed by generic library (libunwind-$ARCH): libunwind_la_SOURCES_generic = \ mi/Gdyn-extract.c mi/Gdyn-remote.c mi/Gfind_dynamic_proc_info.c \ mi/Gget_accessors.c \ mi/Gget_proc_info_by_ip.c mi/Gget_proc_name.c \ mi/Gput_dynamic_unwind_info.c mi/Gdestroy_addr_space.c \ mi/Gget_reg.c mi/Gset_reg.c \ mi/Gget_fpreg.c mi/Gset_fpreg.c \ mi/Gset_caching_policy.c \ mi/Gset_cache_size.c if SUPPORT_CXX_EXCEPTIONS libunwind_la_SOURCES_local_unwind = \ unwind/Backtrace.c unwind/DeleteException.c \ unwind/FindEnclosingFunction.c unwind/ForcedUnwind.c \ unwind/GetBSP.c unwind/GetCFA.c unwind/GetDataRelBase.c \ unwind/GetGR.c unwind/GetIP.c unwind/GetLanguageSpecificData.c \ unwind/GetRegionStart.c unwind/GetTextRelBase.c \ unwind/RaiseException.c unwind/Resume.c \ unwind/Resume_or_Rethrow.c unwind/SetGR.c unwind/SetIP.c \ unwind/GetIPInfo.c # _ReadULEB()/_ReadSLEB() are needed for Intel C++ 8.0 compatibility libunwind_la_SOURCES_os_linux_local = mi/_ReadULEB.c mi/_ReadSLEB.c endif # List of arch-independent files needed by local-only library (libunwind): libunwind_la_SOURCES_local_nounwind = \ $(libunwind_la_SOURCES_os_local) \ mi/backtrace.c \ mi/dyn-cancel.c mi/dyn-info-list.c mi/dyn-register.c \ mi/Ldyn-extract.c mi/Lfind_dynamic_proc_info.c \ mi/Lget_accessors.c \ mi/Lget_proc_info_by_ip.c mi/Lget_proc_name.c \ mi/Lput_dynamic_unwind_info.c mi/Ldestroy_addr_space.c \ mi/Lget_reg.c mi/Lset_reg.c \ mi/Lget_fpreg.c mi/Lset_fpreg.c \ mi/Lset_caching_policy.c \ mi/Lset_cache_size.c libunwind_la_SOURCES_local = \ $(libunwind_la_SOURCES_local_nounwind) \ $(libunwind_la_SOURCES_local_unwind) noinst_HEADERS += os-linux.h libunwind_la_SOURCES_os_linux = os-linux.c libunwind_la_SOURCES_os_hpux = os-hpux.c libunwind_la_SOURCES_os_freebsd = os-freebsd.c libunwind_la_SOURCES_os_qnx = os-qnx.c libunwind_dwarf_common_la_SOURCES = dwarf/global.c libunwind_dwarf_local_la_SOURCES = \ dwarf/Lexpr.c dwarf/Lfde.c dwarf/Lparser.c dwarf/Lpe.c \ dwarf/Lfind_proc_info-lsb.c \ dwarf/Lfind_unwind_table.c libunwind_dwarf_local_la_LIBADD = libunwind-dwarf-common.la libunwind_dwarf_generic_la_SOURCES = \ dwarf/Gexpr.c dwarf/Gfde.c dwarf/Gparser.c dwarf/Gpe.c \ dwarf/Gfind_proc_info-lsb.c \ dwarf/Gfind_unwind_table.c libunwind_dwarf_generic_la_LIBADD = libunwind-dwarf-common.la if USE_DWARF noinst_LTLIBRARIES += libunwind-dwarf-common.la libunwind-dwarf-generic.la if !REMOTE_ONLY noinst_LTLIBRARIES += libunwind-dwarf-local.la endif libunwind_la_LIBADD += libunwind-dwarf-local.la endif noinst_HEADERS += elf32.h elf64.h elfxx.h libunwind_elf32_la_SOURCES = elf32.c libunwind_elf64_la_SOURCES = elf64.c libunwind_elfxx_la_SOURCES = elfxx.c libunwind_elf32_la_LIBADD = $(LIBLZMA) libunwind_elf64_la_LIBADD = $(LIBLZMA) libunwind_elfxx_la_LIBADD = $(LIBLZMA) noinst_LTLIBRARIES += $(LIBUNWIND_ELF) libunwind_la_LIBADD += $(LIBUNWIND_ELF) # The list of files that go into libunwind and libunwind-aarch64: noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \ aarch64/is_fpreg.c aarch64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ $(libunwind_la_SOURCES_local) \ aarch64/Lapply_reg_state.c aarch64/Lreg_states_iterate.c \ aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \ aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \ aarch64/Linit_local.c aarch64/Linit_remote.c \ aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \ aarch64/Lstash_frame.c aarch64/Lstep.c aarch64/Ltrace.c \ aarch64/getcontext.S libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \ $(libunwind_la_SOURCES_generic) \ aarch64/Gapply_reg_state.c aarch64/Greg_states_iterate.c \ aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \ aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \ aarch64/Ginit_local.c aarch64/Ginit_remote.c \ aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \ aarch64/Gstash_frame.c aarch64/Gstep.c aarch64/Gtrace.c # The list of files that go into libunwind and libunwind-arm: noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ arm/is_fpreg.c arm/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_arm = $(libunwind_la_SOURCES_arm_common) \ $(libunwind_la_SOURCES_arm_os_local) \ $(libunwind_la_SOURCES_local) \ arm/getcontext.S \ arm/Lapply_reg_state.c arm/Lreg_states_iterate.c \ arm/Lcreate_addr_space.c arm/Lget_proc_info.c arm/Lget_save_loc.c \ arm/Lglobal.c arm/Linit.c arm/Linit_local.c arm/Linit_remote.c \ arm/Lregs.c arm/Lresume.c arm/Lstep.c \ arm/Lex_tables.c arm/Lstash_frame.c arm/Ltrace.c # The list of files that go into libunwind-arm: libunwind_arm_la_SOURCES_arm = $(libunwind_la_SOURCES_arm_common) \ $(libunwind_la_SOURCES_arm_os) \ $(libunwind_la_SOURCES_generic) \ arm/Gapply_reg_state.c arm/Greg_states_iterate.c \ arm/Gcreate_addr_space.c arm/Gget_proc_info.c arm/Gget_save_loc.c \ arm/Gglobal.c arm/Ginit.c arm/Ginit_local.c arm/Ginit_remote.c \ arm/Gregs.c arm/Gresume.c arm/Gstep.c \ arm/Gex_tables.c arm/Gstash_frame.c arm/Gtrace.c # The list of files that go both into libunwind and libunwind-ia64: noinst_HEADERS += ia64/init.h ia64/offsets.h ia64/regs.h \ ia64/ucontext_i.h ia64/unwind_decoder.h ia64/unwind_i.h libunwind_la_SOURCES_ia64_common = $(libunwind_la_SOURCES_common) \ ia64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_ia64 = $(libunwind_la_SOURCES_ia64_common) \ $(libunwind_la_SOURCES_local) \ \ ia64/dyn_info_list.S ia64/getcontext.S \ \ ia64/Lapply_reg_state.c ia64/Lreg_states_iterate.c \ ia64/Lcreate_addr_space.c ia64/Lget_proc_info.c ia64/Lget_save_loc.c \ ia64/Lglobal.c ia64/Linit.c ia64/Linit_local.c ia64/Linit_remote.c \ ia64/Linstall_cursor.S ia64/Lis_signal_frame.c ia64/Lparser.c \ ia64/Lrbs.c ia64/Lregs.c ia64/Lresume.c ia64/Lscript.c ia64/Lstep.c \ ia64/Ltables.c ia64/Lfind_unwind_table.c # The list of files that go into libunwind-ia64: libunwind_ia64_la_SOURCES_ia64 = $(libunwind_la_SOURCES_ia64_common) \ $(libunwind_la_SOURCES_generic) \ ia64/Gapply_reg_state.c ia64/Greg_states_iterate.c \ ia64/Gcreate_addr_space.c ia64/Gget_proc_info.c ia64/Gget_save_loc.c \ ia64/Gglobal.c ia64/Ginit.c ia64/Ginit_local.c ia64/Ginit_remote.c \ ia64/Ginstall_cursor.S ia64/Gis_signal_frame.c ia64/Gparser.c \ ia64/Grbs.c ia64/Gregs.c ia64/Gresume.c ia64/Gscript.c ia64/Gstep.c \ ia64/Gtables.c ia64/Gfind_unwind_table.c # The list of files that go both into libunwind and libunwind-hppa: noinst_HEADERS += hppa/init.h hppa/offsets.h hppa/unwind_i.h libunwind_la_SOURCES_hppa_common = $(libunwind_la_SOURCES_common) \ hppa/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_hppa = $(libunwind_la_SOURCES_hppa_common) \ $(libunwind_la_SOURCES_local) \ hppa/getcontext.S hppa/setcontext.S \ hppa/Lapply_reg_state.c hppa/Lreg_states_iterate.c \ hppa/Lcreate_addr_space.c hppa/Lget_save_loc.c hppa/Lglobal.c \ hppa/Linit.c hppa/Linit_local.c hppa/Linit_remote.c \ hppa/Lis_signal_frame.c hppa/Lget_proc_info.c hppa/Lregs.c \ hppa/Lresume.c hppa/Lstep.c # The list of files that go into libunwind-hppa: libunwind_hppa_la_SOURCES_hppa = $(libunwind_la_SOURCES_hppa_common) \ $(libunwind_la_SOURCES_generic) \ hppa/Gapply_reg_state.c hppa/Greg_states_iterate.c \ hppa/Gcreate_addr_space.c hppa/Gget_save_loc.c hppa/Gglobal.c \ hppa/Ginit.c hppa/Ginit_local.c hppa/Ginit_remote.c \ hppa/Gis_signal_frame.c hppa/Gget_proc_info.c hppa/Gregs.c \ hppa/Gresume.c hppa/Gstep.c # The list of files that go info libunwind and libunwind-mips: noinst_HEADERS += mips/init.h mips/offsets.h mips/unwind_i.h libunwind_la_SOURCES_mips_common = $(libunwind_la_SOURCES_common) \ mips/is_fpreg.c mips/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_mips = $(libunwind_la_SOURCES_mips_common) \ $(libunwind_la_SOURCES_local) \ mips/getcontext.S \ mips/Lapply_reg_state.c mips/Lreg_states_iterate.c \ mips/Lcreate_addr_space.c mips/Lget_proc_info.c mips/Lget_save_loc.c \ mips/Lglobal.c mips/Linit.c mips/Linit_local.c mips/Linit_remote.c \ mips/Lis_signal_frame.c mips/Lregs.c mips/Lresume.c mips/Lstep.c libunwind_mips_la_SOURCES_mips = $(libunwind_la_SOURCES_mips_common) \ $(libunwind_la_SOURCES_generic) \ mips/Gapply_reg_state.c mips/Greg_states_iterate.c \ mips/Gcreate_addr_space.c mips/Gget_proc_info.c mips/Gget_save_loc.c \ mips/Gglobal.c mips/Ginit.c mips/Ginit_local.c mips/Ginit_remote.c \ mips/Gis_signal_frame.c mips/Gregs.c mips/Gresume.c mips/Gstep.c # The list of files that go info libunwind and libunwind-tilegx: noinst_HEADERS += tilegx/init.h tilegx/offsets.h tilegx/unwind_i.h libunwind_la_SOURCES_tilegx_common = $(libunwind_la_SOURCES_common) \ tilegx/is_fpreg.c tilegx/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_tilegx = $(libunwind_la_SOURCES_tilegx_common) \ $(libunwind_la_SOURCES_local) \ tilegx/getcontext.S \ tilegx/Lapply_reg_state.c tilegx/Lreg_states_iterate.c \ tilegx/Lcreate_addr_space.c tilegx/Lget_proc_info.c tilegx/Lget_save_loc.c \ tilegx/Lglobal.c tilegx/Linit.c tilegx/Linit_local.c tilegx/Linit_remote.c \ tilegx/Lis_signal_frame.c tilegx/Lregs.c tilegx/Lresume.c tilegx/Lstep.c libunwind_tilegx_la_SOURCES_tilegx = $(libunwind_la_SOURCES_tilegx_common) \ $(libunwind_la_SOURCES_generic) \ tilegx/Gapply_reg_state.c tilegx/Greg_states_iterate.c \ tilegx/Gcreate_addr_space.c tilegx/Gget_proc_info.c tilegx/Gget_save_loc.c \ tilegx/Gglobal.c tilegx/Ginit.c tilegx/Ginit_local.c tilegx/Ginit_remote.c \ tilegx/Gis_signal_frame.c tilegx/Gregs.c tilegx/Gresume.c tilegx/Gstep.c # The list of files that go both into libunwind and libunwind-x86: noinst_HEADERS += x86/init.h x86/offsets.h x86/unwind_i.h libunwind_la_SOURCES_x86_common = $(libunwind_la_SOURCES_common) \ x86/is_fpreg.c x86/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_x86 = $(libunwind_la_SOURCES_x86_common) \ $(libunwind_la_SOURCES_x86_os_local) \ $(libunwind_la_SOURCES_local) \ x86/Lapply_reg_state.c x86/Lreg_states_iterate.c \ x86/Lcreate_addr_space.c x86/Lget_save_loc.c x86/Lglobal.c \ x86/Linit.c x86/Linit_local.c x86/Linit_remote.c \ x86/Lget_proc_info.c x86/Lregs.c \ x86/Lresume.c x86/Lstep.c # The list of files that go into libunwind-x86: libunwind_x86_la_SOURCES_x86 = $(libunwind_la_SOURCES_x86_common) \ $(libunwind_la_SOURCES_x86_os) \ $(libunwind_la_SOURCES_generic) \ x86/Gapply_reg_state.c x86/Greg_states_iterate.c \ x86/Gcreate_addr_space.c x86/Gget_save_loc.c x86/Gglobal.c \ x86/Ginit.c x86/Ginit_local.c x86/Ginit_remote.c \ x86/Gget_proc_info.c x86/Gregs.c \ x86/Gresume.c x86/Gstep.c # The list of files that go both into libunwind and libunwind-x86_64: noinst_HEADERS += x86_64/offsets.h \ x86_64/init.h x86_64/unwind_i.h x86_64/ucontext_i.h libunwind_la_SOURCES_x86_64_common = $(libunwind_la_SOURCES_common) \ x86_64/is_fpreg.c x86_64/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_x86_64 = $(libunwind_la_SOURCES_x86_64_common) \ $(libunwind_la_SOURCES_x86_64_os_local) \ $(libunwind_la_SOURCES_local) \ x86_64/setcontext.S \ x86_64/Lapply_reg_state.c x86_64/Lreg_states_iterate.c \ x86_64/Lcreate_addr_space.c x86_64/Lget_save_loc.c x86_64/Lglobal.c \ x86_64/Linit.c x86_64/Linit_local.c x86_64/Linit_remote.c \ x86_64/Lget_proc_info.c x86_64/Lregs.c x86_64/Lresume.c \ x86_64/Lstash_frame.c x86_64/Lstep.c x86_64/Ltrace.c x86_64/getcontext.S # The list of files that go into libunwind-x86_64: libunwind_x86_64_la_SOURCES_x86_64 = $(libunwind_la_SOURCES_x86_64_common) \ $(libunwind_la_SOURCES_x86_64_os) \ $(libunwind_la_SOURCES_generic) \ x86_64/Gapply_reg_state.c x86_64/Greg_states_iterate.c \ x86_64/Gcreate_addr_space.c x86_64/Gget_save_loc.c x86_64/Gglobal.c \ x86_64/Ginit.c x86_64/Ginit_local.c x86_64/Ginit_remote.c \ x86_64/Gget_proc_info.c x86_64/Gregs.c x86_64/Gresume.c \ x86_64/Gstash_frame.c x86_64/Gstep.c x86_64/Gtrace.c # The list of local files that go to Power 64 and 32: libunwind_la_SOURCES_ppc = \ ppc/Lget_proc_info.c ppc/Lget_save_loc.c ppc/Linit_local.c \ ppc/Linit_remote.c ppc/Lis_signal_frame.c # The list of generic files that go to Power 64 and 32: libunwind_ppc_la_SOURCES_ppc_generic = \ ppc/Gget_proc_info.c ppc/Gget_save_loc.c ppc/Ginit_local.c \ ppc/Ginit_remote.c ppc/Gis_signal_frame.c # The list of files that go both into libunwind and libunwind-ppc32: noinst_HEADERS += ppc32/init.h ppc32/unwind_i.h ppc32/ucontext_i.h libunwind_la_SOURCES_ppc32_common = $(libunwind_la_SOURCES_common) \ ppc32/is_fpreg.c ppc32/regname.c ppc32/get_func_addr.c # The list of files that go into libunwind: libunwind_la_SOURCES_ppc32 = $(libunwind_la_SOURCES_ppc32_common) \ $(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_ppc) \ ppc32/Lapply_reg_state.c ppc32/Lreg_states_iterate.c \ ppc32/Lcreate_addr_space.c \ ppc32/Lglobal.c ppc32/Linit.c \ ppc32/Lregs.c ppc32/Lresume.c ppc32/Lstep.c # The list of files that go into libunwind-ppc32: libunwind_ppc32_la_SOURCES_ppc32 = $(libunwind_la_SOURCES_ppc32_common) \ $(libunwind_la_SOURCES_generic) \ $(libunwind_ppc_la_SOURCES_ppc_generic) \ ppc32/Gapply_reg_state.c ppc32/Greg_states_iterate.c \ ppc32/Gcreate_addr_space.c \ ppc32/Gglobal.c ppc32/Ginit.c \ ppc32/Gregs.c ppc32/Gresume.c ppc32/Gstep.c # The list of files that go both into libunwind and libunwind-ppc64: noinst_HEADERS += ppc64/init.h ppc64/unwind_i.h ppc64/ucontext_i.h libunwind_la_SOURCES_ppc64_common = $(libunwind_la_SOURCES_common) \ ppc64/is_fpreg.c ppc64/regname.c ppc64/get_func_addr.c # The list of files that go into libunwind: libunwind_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ $(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_ppc) \ ppc64/Lapply_reg_state.c ppc64/Lreg_states_iterate.c \ ppc64/Lcreate_addr_space.c \ ppc64/Lglobal.c ppc64/Linit.c \ ppc64/Lregs.c ppc64/Lresume.c ppc64/Lstep.c # The list of files that go into libunwind-ppc64: libunwind_ppc64_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ $(libunwind_la_SOURCES_generic) \ $(libunwind_ppc_la_SOURCES_ppc_generic) \ ppc64/Gapply_reg_state.c ppc64/Greg_states_iterate.c \ ppc64/Gcreate_addr_space.c \ ppc64/Gglobal.c ppc64/Ginit.c \ ppc64/Gregs.c ppc64/Gresume.c ppc64/Gstep.c # The list of files that go into libunwind and libunwind-sh: noinst_HEADERS += sh/init.h sh/offsets.h sh/unwind_i.h libunwind_la_SOURCES_sh_common = $(libunwind_la_SOURCES_common) \ sh/is_fpreg.c sh/regname.c # The list of files that go into libunwind: libunwind_la_SOURCES_sh = $(libunwind_la_SOURCES_sh_common) \ $(libunwind_la_SOURCES_local) \ sh/Lapply_reg_state.c sh/Lreg_states_iterate.c \ sh/Lcreate_addr_space.c sh/Lget_proc_info.c sh/Lget_save_loc.c \ sh/Lglobal.c sh/Linit.c sh/Linit_local.c sh/Linit_remote.c \ sh/Lis_signal_frame.c sh/Lregs.c sh/Lresume.c sh/Lstep.c libunwind_sh_la_SOURCES_sh = $(libunwind_la_SOURCES_sh_common) \ $(libunwind_la_SOURCES_generic) \ sh/Gapply_reg_state.c sh/Greg_states_iterate.c \ sh/Gcreate_addr_space.c sh/Gget_proc_info.c sh/Gget_save_loc.c \ sh/Gglobal.c sh/Ginit.c sh/Ginit_local.c sh/Ginit_remote.c \ sh/Gis_signal_frame.c sh/Gregs.c sh/Gresume.c sh/Gstep.c if REMOTE_ONLY install-exec-hook: # Nothing to do here.... else # # This is not ideal, but I know of no other way to install an # alias for a library. For the shared version, we have to do # a file check before creating the link, because it isn't going # to be there if the user configured with --disable-shared. # install-exec-hook: if test -f $(DESTDIR)$(libdir)/libunwind-$(arch).a; then \ cd $(DESTDIR)$(libdir) && $(LN_S) -f libunwind-$(arch).a libunwind-generic.a; \ fi if test -f $(DESTDIR)$(libdir)/libunwind-$(arch).so; then \ cd $(DESTDIR)$(libdir) && $(LN_S) -f libunwind-$(arch).so \ libunwind-generic.so; \ fi endif if OS_LINUX libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_linux) libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_linux_local) libunwind_la_SOURCES_x86_os = x86/Gos-linux.c libunwind_x86_la_SOURCES_os = x86/getcontext-linux.S libunwind_la_SOURCES_x86_os_local = x86/Los-linux.c libunwind_la_SOURCES_x86_64_os = x86_64/Gos-linux.c libunwind_la_SOURCES_x86_64_os_local = x86_64/Los-linux.c libunwind_la_SOURCES_arm_os = arm/Gos-linux.c libunwind_la_SOURCES_arm_os_local = arm/Los-linux.c libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_linux.c endif if OS_HPUX libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_hpux) libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_hpux_local) endif if OS_FREEBSD libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_freebsd) libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_freebsd_local) libunwind_la_SOURCES_x86_os = x86/Gos-freebsd.c libunwind_x86_la_SOURCES_os = x86/getcontext-freebsd.S libunwind_la_SOURCES_x86_os_local = x86/Los-freebsd.c libunwind_la_SOURCES_x86_64_os = x86_64/Gos-freebsd.c libunwind_la_SOURCES_x86_64_os_local = x86_64/Los-freebsd.c libunwind_la_SOURCES_arm_os = arm/Gos-freebsd.c libunwind_la_SOURCES_arm_os_local = arm/Los-freebsd.c libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c endif if OS_QNX libunwind_la_SOURCES_os = $(libunwind_la_SOURCES_os_qnx) libunwind_la_SOURCES_os_local = $(libunwind_la_SOURCES_os_qnx_local) libunwind_la_SOURCES_arm_os = arm/Gos-other.c libunwind_la_SOURCES_arm_os_local = arm/Los-other.c endif if ARCH_AARCH64 lib_LTLIBRARIES += libunwind-aarch64.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64) libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64) libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la libunwind_aarch64_la_LIBADD += libunwind-elf64.la if !REMOTE_ONLY libunwind_aarch64_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S else if ARCH_ARM lib_LTLIBRARIES += libunwind-arm.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm) libunwind_arm_la_SOURCES = $(libunwind_arm_la_SOURCES_arm) libunwind_arm_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_arm_la_LIBADD = libunwind-dwarf-generic.la libunwind_arm_la_LIBADD += libunwind-elf32.la if !REMOTE_ONLY libunwind_arm_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += arm/siglongjmp.S else if ARCH_IA64 BUILT_SOURCES = Gcursor_i.h Lcursor_i.h mk_Gcursor_i.s: $(srcdir)/ia64/mk_Gcursor_i.c $(COMPILE) -S "$(srcdir)/ia64/mk_Gcursor_i.c" -o mk_Gcursor_i.s mk_Lcursor_i.s: $(srcdir)/ia64/mk_Lcursor_i.c $(COMPILE) -S "$(srcdir)/ia64/mk_Lcursor_i.c" -o mk_Lcursor_i.s Gcursor_i.h: mk_Gcursor_i.s "$(srcdir)/ia64/mk_cursor_i" mk_Gcursor_i.s > Gcursor_i.h Lcursor_i.h: mk_Lcursor_i.s "$(srcdir)/ia64/mk_cursor_i" mk_Lcursor_i.s > Lcursor_i.h lib_LTLIBRARIES += libunwind-ia64.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_ia64) libunwind_ia64_la_SOURCES = $(libunwind_ia64_la_SOURCES_ia64) libunwind_ia64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_ia64_la_LIBADD = libunwind-elf64.la if !REMOTE_ONLY libunwind_ia64_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += ia64/setjmp.S ia64/sigsetjmp.S \ ia64/longjmp.S ia64/siglongjmp.S else if ARCH_HPPA lib_LTLIBRARIES += libunwind-hppa.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_hppa) libunwind_hppa_la_SOURCES = $(libunwind_hppa_la_SOURCES_hppa) libunwind_hppa_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_hppa_la_LIBADD = libunwind-dwarf-generic.la libunwind_hppa_la_LIBADD += libunwind-elf32.la if !REMOTE_ONLY libunwind_hppa_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += hppa/siglongjmp.S else if ARCH_MIPS lib_LTLIBRARIES += libunwind-mips.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_mips) libunwind_mips_la_SOURCES = $(libunwind_mips_la_SOURCES_mips) libunwind_mips_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_mips_la_LIBADD = libunwind-dwarf-generic.la libunwind_mips_la_LIBADD += libunwind-elfxx.la if !REMOTE_ONLY libunwind_mips_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += mips/siglongjmp.S else if ARCH_TILEGX lib_LTLIBRARIES += libunwind-tilegx.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_tilegx) libunwind_tilegx_la_SOURCES = $(libunwind_tilegx_la_SOURCES_tilegx) libunwind_tilegx_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_tilegx_la_LIBADD = libunwind-dwarf-generic.la libunwind_tilegx_la_LIBADD += libunwind-elfxx.la if !REMOTE_ONLY libunwind_tilegx_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += tilegx/siglongjmp.S else if ARCH_X86 lib_LTLIBRARIES += libunwind-x86.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_x86) $(libunwind_x86_la_SOURCES_os) libunwind_x86_la_SOURCES = $(libunwind_x86_la_SOURCES_x86) libunwind_x86_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_x86_la_LIBADD = libunwind-dwarf-generic.la libunwind_x86_la_LIBADD += libunwind-elf32.la if !REMOTE_ONLY libunwind_x86_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += x86/longjmp.S x86/siglongjmp.S else if ARCH_X86_64 lib_LTLIBRARIES += libunwind-x86_64.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_x86_64) libunwind_x86_64_la_SOURCES = $(libunwind_x86_64_la_SOURCES_x86_64) libunwind_x86_64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_x86_64_la_LIBADD = libunwind-dwarf-generic.la libunwind_x86_64_la_LIBADD += libunwind-elf64.la if !REMOTE_ONLY libunwind_x86_64_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += x86_64/longjmp.S x86_64/siglongjmp.S else if ARCH_PPC32 lib_LTLIBRARIES += libunwind-ppc32.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_ppc32) libunwind_ppc32_la_SOURCES = $(libunwind_ppc32_la_SOURCES_ppc32) libunwind_ppc32_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_ppc32_la_LIBADD = libunwind-dwarf-generic.la libunwind_ppc32_la_LIBADD += libunwind-elf32.la if !REMOTE_ONLY libunwind_ppc32_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += ppc/longjmp.S ppc/siglongjmp.S else if ARCH_PPC64 lib_LTLIBRARIES += libunwind-ppc64.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_ppc64) libunwind_ppc64_la_SOURCES = $(libunwind_ppc64_la_SOURCES_ppc64) libunwind_ppc64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_ppc64_la_LIBADD = libunwind-dwarf-generic.la libunwind_ppc64_la_LIBADD += libunwind-elf64.la if !REMOTE_ONLY libunwind_ppc64_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += ppc/longjmp.S ppc/siglongjmp.S else if ARCH_SH lib_LTLIBRARIES += libunwind-sh.la libunwind_la_SOURCES = $(libunwind_la_SOURCES_sh) libunwind_sh_la_SOURCES = $(libunwind_sh_la_SOURCES_sh) libunwind_sh_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) libunwind_sh_la_LIBADD = libunwind-dwarf-generic.la libunwind_sh_la_LIBADD += libunwind-elf32.la if !REMOTE_ONLY libunwind_sh_la_LIBADD += libunwind.la -lc endif libunwind_setjmp_la_SOURCES += sh/siglongjmp.S endif # ARCH_SH endif # ARCH_PPC64 endif # ARCH_PPC32 endif # ARCH_X86_64 endif # ARCH_X86 endif # ARCH_TILEGX endif # ARCH_MIPS endif # ARCH_HPPA endif # ARCH_IA64 endif # ARCH_ARM endif # ARCH_AARCH64 # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added # at the end. if BUILD_SETJMP lib_LTLIBRARIES += libunwind-setjmp.la endif # # Don't link with standard libraries, because those may mention # libunwind already. # libunwind_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -XCClinker -nostdlib \ $(LDFLAGS_STATIC_LIBCXA) -version-info $(SOVERSION) libunwind_la_LIBADD += -lc $(LIBCRTS) libunwind_la_LIBADD += $(LIBLZMA) AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/include/tdep-$(arch) -I. AM_CCASFLAGS = $(AM_CPPFLAGS) noinst_HEADERS += unwind/unwind-internal.h EXTRA_DIST = $(libunwind_la_SOURCES_aarch64) \ $(libunwind_la_SOURCES_arm) \ $(libunwind_la_SOURCES_hppa) \ $(libunwind_la_SOURCES_ia64) \ $(libunwind_la_SOURCES_mips) \ $(libunwind_la_SOURCES_sh) \ $(libunwind_la_SOURCES_x86) \ $(libunwind_la_SOURCES_os_freebsd) \ $(libunwind_la_SOURCES_os_linux) \ $(libunwind_la_SOURCES_os_hpux) \ $(libunwind_la_SOURCES_os_qnx) \ $(libunwind_la_SOURCES_common) \ $(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_generic) \ $(libunwind_aarch64_la_SOURCES_aarch64) \ $(libunwind_arm_la_SOURCES_arm) \ $(libunwind_hppa_la_SOURCES_hppa) \ $(libunwind_ia64_la_SOURCES_ia64) \ $(libunwind_mips_la_SOURCES_mips) \ $(libunwind_sh_la_SOURCES_sh) \ $(libunwind_x86_la_SOURCES_x86) \ $(libunwind_x86_64_la_SOURCES_x86_64) MAINTAINERCLEANFILES = Makefile.in # The -version-info flag accepts an argument of the form # `current[:revision[:age]]'. So, passing `-version-info 3:12:1' sets # current to 3, revision to 12, and age to 1. # If either revision or age are omitted, they default to 0. Also note # that age must be less than or equal to the current interface number. # Here are a set of rules to help you update your library version # information: # 1. Start with version information of `0:0:0' for each libtool # library. # 2. Update the version information only immediately before a public # release of your software. More frequent updates are unnecessary, # and only guarantee that the current interface number gets larger # faster. # 3. If the library source code has changed at all since the last # update, then increment revision (`c:r:a' becomes `c:r+1:a'). # 4. If any interfaces have been added, removed, or changed since the # last update, increment current, and set revision to 0. # 5. If any interfaces have been added since the last public release, # then increment age. # 6. If any interfaces have been removed since the last public # release, then set age to 0. libunwind-1.3.2/src/sh/0000755000175000017500000000000013640673450011722 500000000000000libunwind-1.3.2/src/sh/unwind_i.h0000644000175000017500000000314313406556425013632 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include "libunwind_i.h" #define sh_lock UNW_OBJ(lock) #define sh_local_resume UNW_OBJ(local_resume) #define sh_local_addr_space_init UNW_OBJ(local_addr_space_init) extern void sh_local_addr_space_init (void); extern int sh_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); #endif /* unwind_i_h */ libunwind-1.3.2/src/sh/Gget_save_loc.c0000644000175000017500000000437013406755365014561 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; switch (reg) { case UNW_SH_R0: case UNW_SH_R1: case UNW_SH_R2: case UNW_SH_R3: case UNW_SH_R4: case UNW_SH_R5: case UNW_SH_R6: case UNW_SH_R7: case UNW_SH_R8: case UNW_SH_R9: case UNW_SH_R10: case UNW_SH_R11: case UNW_SH_R12: case UNW_SH_R13: case UNW_SH_R14: case UNW_SH_R15: case UNW_SH_PC: case UNW_SH_PR: loc = c->dwarf.loc[reg]; break; default: loc = DWARF_NULL_LOC; /* default to "not saved" */ break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/sh/Ginit_local.c0000644000175000017500000000413013640667603014233 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/sh/Lapply_reg_state.c0000644000175000017500000000021413406755365015307 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/sh/Greg_states_iterate.c0000644000175000017500000000277613406755365016014 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/sh/Lregs.c0000644000175000017500000000020113406556425013055 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/sh/regname.c0000644000175000017500000000351713406755365013440 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *const regname[] = { [UNW_SH_R0] = "r0", [UNW_SH_R1] = "r1", [UNW_SH_R2] = "r2", [UNW_SH_R3] = "r3", [UNW_SH_R4] = "r4", [UNW_SH_R5] = "r5", [UNW_SH_R6] = "r6", [UNW_SH_R7] = "r7", [UNW_SH_R8] = "r8", [UNW_SH_R9] = "r9", [UNW_SH_R10] = "r10", [UNW_SH_R11] = "r11", [UNW_SH_R12] = "r12", [UNW_SH_R13] = "r13", [UNW_SH_R14] = "r14", [UNW_SH_R15] = "r15", [UNW_SH_PC] = "pc", [UNW_SH_PR] = "pr", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL) return regname[reg]; else return "???"; } libunwind-1.3.2/src/sh/Ginit_remote.c0000644000175000017500000000304713406755365014445 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/sh/Linit_remote.c0000644000175000017500000000021013406556425014433 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/sh/Gstep.c0000644000175000017500000001030213406755365013072 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" static int sh_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) return -UNW_EUNSPEC; ret = unw_is_signal_frame (cursor); Debug(1, "unw_is_signal_frame()=%d\n", ret); /* Save the SP and PC to be able to return execution at this point later in time (unw_resume). */ c->sigcontext_sp = c->dwarf.cfa; c->sigcontext_pc = c->dwarf.ip; if (ret == 1) { /* Handle non-RT signal frame. */ c->sigcontext_format = SH_SCF_LINUX_SIGFRAME; sc_addr = sp_addr; } else if (ret == 2) { /* Handle RT signal frame. */ c->sigcontext_format = SH_SCF_LINUX_RT_SIGFRAME; sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; } else return -UNW_EUNSPEC; c->sigcontext_addr = sc_addr; /* Update the dwarf cursor. Set the location of the registers to the corresponding addresses of the uc_mcontext / sigcontext structure contents. */ c->dwarf.loc[UNW_SH_R0] = DWARF_LOC (sc_addr + LINUX_SC_R0_OFF, 0); c->dwarf.loc[UNW_SH_R1] = DWARF_LOC (sc_addr + LINUX_SC_R1_OFF, 0); c->dwarf.loc[UNW_SH_R2] = DWARF_LOC (sc_addr + LINUX_SC_R2_OFF, 0); c->dwarf.loc[UNW_SH_R3] = DWARF_LOC (sc_addr + LINUX_SC_R3_OFF, 0); c->dwarf.loc[UNW_SH_R4] = DWARF_LOC (sc_addr + LINUX_SC_R4_OFF, 0); c->dwarf.loc[UNW_SH_R5] = DWARF_LOC (sc_addr + LINUX_SC_R5_OFF, 0); c->dwarf.loc[UNW_SH_R6] = DWARF_LOC (sc_addr + LINUX_SC_R6_OFF, 0); c->dwarf.loc[UNW_SH_R7] = DWARF_LOC (sc_addr + LINUX_SC_R7_OFF, 0); c->dwarf.loc[UNW_SH_R8] = DWARF_LOC (sc_addr + LINUX_SC_R8_OFF, 0); c->dwarf.loc[UNW_SH_R9] = DWARF_LOC (sc_addr + LINUX_SC_R9_OFF, 0); c->dwarf.loc[UNW_SH_R10] = DWARF_LOC (sc_addr + LINUX_SC_R10_OFF, 0); c->dwarf.loc[UNW_SH_R11] = DWARF_LOC (sc_addr + LINUX_SC_R11_OFF, 0); c->dwarf.loc[UNW_SH_R12] = DWARF_LOC (sc_addr + LINUX_SC_R12_OFF, 0); c->dwarf.loc[UNW_SH_R13] = DWARF_LOC (sc_addr + LINUX_SC_R13_OFF, 0); c->dwarf.loc[UNW_SH_R14] = DWARF_LOC (sc_addr + LINUX_SC_R14_OFF, 0); c->dwarf.loc[UNW_SH_R15] = DWARF_LOC (sc_addr + LINUX_SC_R15_OFF, 0); c->dwarf.loc[UNW_SH_PR] = DWARF_LOC (sc_addr + LINUX_SC_PR_OFF, 0); c->dwarf.loc[UNW_SH_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_SH_R15], &c->dwarf.cfa); dwarf_get (&c->dwarf, c->dwarf.loc[UNW_SH_PC], &c->dwarf.ip); c->dwarf.pi_valid = 0; return 1; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if (unw_is_signal_frame (cursor) > 0) return sh_handle_signal_frame (cursor); ret = dwarf_step (&c->dwarf); if (unlikely (ret == -UNW_ESTOPUNWIND)) return ret; if (unlikely (ret < 0)) return 0; return (c->dwarf.ip == 0) ? 0 : 1; } libunwind-1.3.2/src/sh/Linit_local.c0000644000175000017500000000020713406556425014240 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/sh/Gis_signal_frame.c0000644000175000017500000000650413406755365015252 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* Disassembly of the Linux VDSO sigreturn functions: 00000000 <__kernel_sigreturn>: 0: 05 93 mov.w e <__kernel_sigreturn+0xe>,r3 ! 77 2: 10 c3 trapa #16 4: 0b 20 or r0,r0 6: 0b 20 or r0,r0 8: 0b 20 or r0,r0 a: 0b 20 or r0,r0 c: 0b 20 or r0,r0 e: 77 00 .word 0x0077 10: 09 00 nop 12: 09 00 nop 14: 09 00 nop 16: 09 00 nop 18: 09 00 nop 1a: 09 00 nop 1c: 09 00 nop 1e: 09 00 nop 00000020 <__kernel_rt_sigreturn>: 20: 05 93 mov.w 2e <__kernel_rt_sigreturn+0xe>,r3 ! ad 22: 10 c3 trapa #16 24: 0b 20 or r0,r0 26: 0b 20 or r0,r0 28: 0b 20 or r0,r0 2a: 0b 20 or r0,r0 2c: 0b 20 or r0,r0 2e: ad 00 mov.w @(r0,r10),r0 30: 09 00 nop 32: 09 00 nop 34: 09 00 nop 36: 09 00 nop 38: 09 00 nop 3a: 09 00 nop 3c: 09 00 nop 3e: 09 00 nop */ int unw_is_signal_frame (unw_cursor_t *cursor) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_word_t w0, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; ip = c->dwarf.ip; ret = (*a->access_mem) (as, ip, &w0, 0, arg); if (ret < 0) return ret; if (w0 != 0xc3109305) return 0; ret = (*a->access_mem) (as, ip+4, &w0, 0, arg); if (ret < 0) return ret; if (w0 != 0x200b200b) return 0; ret = (*a->access_mem) (as, ip+8, &w0, 0, arg); if (ret < 0) return ret; if (w0 != 0x200b200b) return 0; ret = (*a->access_mem) (as, ip+12, &w0, 0, arg); if (ret < 0) return ret; if (w0 == 0x0077200b) return 1; /* non-RT */ else if (w0 == 0x00ad200b) return 2; /* RT */ /* does not look like a signal frame */ return 0; #else return -UNW_ENOINFO; #endif } libunwind-1.3.2/src/sh/Linit.c0000644000175000017500000000020113406556425013060 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/sh/Ginit.c0000644000175000017500000001174613640667603013074 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static inline void * uc_addr (ucontext_t *uc, int reg) { if (reg >= UNW_SH_R0 && reg <= UNW_SH_PR) return &uc->uc_mcontext.gregs[reg]; else return NULL; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (16, "mem[%x] <- %x\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (16, "mem[%x] -> %x\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if (unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %x\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %x\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf32_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void sh_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = sh_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/sh/Gglobal.c0000644000175000017500000000332513406556425013362 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (sh_lock); HIDDEN int tdep_init_done; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&sh_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY sh_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&sh_lock, saved_mask); } libunwind-1.3.2/src/sh/Lstep.c0000644000175000017500000000020113406556425013070 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/sh/siglongjmp.S0000644000175000017500000000021113406556425014133 00000000000000 /* Dummy implementation for now. */ .globl _UI_siglongjmp_cont .globl _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: rts libunwind-1.3.2/src/sh/Lget_save_loc.c0000644000175000017500000000021113406556425014550 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/sh/Lglobal.c0000644000175000017500000000020313406556425013357 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/sh/Gresume.c0000644000175000017500000001215613640667603013425 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright 2011 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #ifndef UNW_REMOTE_ONLY HIDDEN inline int sh_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_tdep_context_t *uc = c->dwarf.as_arg; if (c->sigcontext_format == SH_SCF_NONE) { /* Since there are no signals involved here we restore the non scratch registers only. */ unsigned long regs[8]; regs[0] = uc->uc_mcontext.gregs[8]; regs[1] = uc->uc_mcontext.gregs[9]; regs[2] = uc->uc_mcontext.gregs[10]; regs[3] = uc->uc_mcontext.gregs[11]; regs[4] = uc->uc_mcontext.gregs[12]; regs[5] = uc->uc_mcontext.gregs[13]; regs[6] = uc->uc_mcontext.gregs[14]; regs[7] = uc->uc_mcontext.gregs[15]; unsigned long pc = uc->uc_mcontext.pr; struct regs_overlay { char x[sizeof(regs)]; }; asm volatile ( "mov.l @%0+, r8\n" "mov.l @%0+, r9\n" "mov.l @%0+, r10\n" "mov.l @%0+, r11\n" "mov.l @%0+, r12\n" "mov.l @%0+, r13\n" "mov.l @%0+, r14\n" "mov.l @%0, r15\n" "lds %1, pr\n" "rts\n" "nop\n" : : "r" (regs), "r" (pc), "m" (*(struct regs_overlay *)regs) ); } else { /* In case a signal frame is involved, we're using its trampoline which calls sigreturn. */ struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; sc->sc_regs[0] = uc->uc_mcontext.gregs[0]; sc->sc_regs[1] = uc->uc_mcontext.gregs[1]; sc->sc_regs[2] = uc->uc_mcontext.gregs[2]; sc->sc_regs[3] = uc->uc_mcontext.gregs[3]; sc->sc_regs[4] = uc->uc_mcontext.gregs[4]; sc->sc_regs[5] = uc->uc_mcontext.gregs[5]; sc->sc_regs[6] = uc->uc_mcontext.gregs[6]; sc->sc_regs[7] = uc->uc_mcontext.gregs[7]; sc->sc_regs[8] = uc->uc_mcontext.gregs[8]; sc->sc_regs[9] = uc->uc_mcontext.gregs[9]; sc->sc_regs[10] = uc->uc_mcontext.gregs[10]; sc->sc_regs[11] = uc->uc_mcontext.gregs[11]; sc->sc_regs[12] = uc->uc_mcontext.gregs[12]; sc->sc_regs[13] = uc->uc_mcontext.gregs[13]; sc->sc_regs[14] = uc->uc_mcontext.gregs[14]; sc->sc_regs[15] = uc->uc_mcontext.gregs[15]; sc->sc_pc = uc->uc_mcontext.pc; sc->sc_pr = uc->uc_mcontext.pr; /* Set the SP and the PC in order to continue execution at the modified trampoline which restores the signal mask and the registers. */ asm __volatile__ ( "mov %0, r15\n" "lds %1, pr\n" "rts\n" "nop\n" : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) ); } unreachable(); #endif return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ static inline void establish_machine_state (struct cursor *c) { unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) as->acc.access_fpreg (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) as->acc.access_reg (as, reg, &val, 1, arg); } } } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; Debug (1, "(cursor=%p)\n", c); if (!c->dwarf.ip) { /* This can happen easily when the frame-chain gets truncated due to bad or missing unwind-info. */ Debug (1, "refusing to resume execution at address 0\n"); return -UNW_EINVAL; } establish_machine_state (c); return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/sh/Gcreate_addr_space.c0000644000175000017500000000344313406755365015537 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* SH supports little-endian and big-endian. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; /* Default to little-endian for SH. */ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) as->big_endian = 0; else as->big_endian = 1; return as; #endif } libunwind-1.3.2/src/sh/offsets.h0000644000175000017500000000166613406556425013477 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* Offsets for SH Linux "ucontext_t": */ #define LINUX_UC_FLAGS_OFF 0x0 #define LINUX_UC_LINK_OFF 0x4 #define LINUX_UC_STACK_OFF 0x8 #define LINUX_UC_MCONTEXT_OFF 0x14 #define LINUX_UC_SIGMASK_OFF 0xFC /* Offsets for SH Linux "struct sigcontext": */ #define LINUX_SC_R0_OFF 0x4 #define LINUX_SC_R1_OFF 0x8 #define LINUX_SC_R2_OFF 0xC #define LINUX_SC_R3_OFF 0x10 #define LINUX_SC_R4_OFF 0x14 #define LINUX_SC_R5_OFF 0x18 #define LINUX_SC_R6_OFF 0x1C #define LINUX_SC_R7_OFF 0x20 #define LINUX_SC_R8_OFF 0x24 #define LINUX_SC_R9_OFF 0x28 #define LINUX_SC_R10_OFF 0x2C #define LINUX_SC_R11_OFF 0x30 #define LINUX_SC_R12_OFF 0x34 #define LINUX_SC_R13_OFF 0x38 #define LINUX_SC_R14_OFF 0x3C #define LINUX_SC_R15_OFF 0x40 #define LINUX_SC_PC_OFF 0x44 #define LINUX_SC_PR_OFF 0x48 libunwind-1.3.2/src/sh/Lis_signal_frame.c0000644000175000017500000000021413406556425015243 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/sh/Lreg_states_iterate.c0000644000175000017500000000021713406755365016005 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/sh/Gget_proc_info.c0000644000175000017500000000260113406755365014737 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) return ret; *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/sh/Gapply_reg_state.c0000644000175000017500000000300513406755365015303 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/sh/Lcreate_addr_space.c0000644000175000017500000000021613406556425015533 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/sh/Lget_proc_info.c0000644000175000017500000000021213406556425014734 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/sh/is_fpreg.c0000644000175000017500000000234213406755365013613 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { /* FIXME: Support FP. */ return 0; } libunwind-1.3.2/src/sh/Gregs.c0000644000175000017500000000452713406755365013073 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; switch (reg) { case UNW_SH_PC: if (write) c->dwarf.ip = *valp; /* update the IP cache */ case UNW_SH_R0: case UNW_SH_R1: case UNW_SH_R2: case UNW_SH_R3: case UNW_SH_R4: case UNW_SH_R5: case UNW_SH_R6: case UNW_SH_R7: case UNW_SH_R8: case UNW_SH_R9: case UNW_SH_R10: case UNW_SH_R11: case UNW_SH_R12: case UNW_SH_R13: case UNW_SH_R14: case UNW_SH_PR: loc = c->dwarf.loc[reg]; break; case UNW_SH_R15: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } libunwind-1.3.2/src/sh/Lresume.c0000644000175000017500000000020313406556425013417 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/sh/init.h0000644000175000017500000000573013406755365012771 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret; c->dwarf.loc[UNW_SH_R0] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R0); c->dwarf.loc[UNW_SH_R1] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R1); c->dwarf.loc[UNW_SH_R2] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R2); c->dwarf.loc[UNW_SH_R3] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R3); c->dwarf.loc[UNW_SH_R4] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R4); c->dwarf.loc[UNW_SH_R5] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R5); c->dwarf.loc[UNW_SH_R6] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R6); c->dwarf.loc[UNW_SH_R7] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R7); c->dwarf.loc[UNW_SH_R8] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R8); c->dwarf.loc[UNW_SH_R9] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R9); c->dwarf.loc[UNW_SH_R10] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R10); c->dwarf.loc[UNW_SH_R11] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R11); c->dwarf.loc[UNW_SH_R12] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R12); c->dwarf.loc[UNW_SH_R13] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R13); c->dwarf.loc[UNW_SH_R14] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R14); c->dwarf.loc[UNW_SH_R15] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R15); c->dwarf.loc[UNW_SH_PC] = DWARF_REG_LOC (&c->dwarf, UNW_SH_PC); c->dwarf.loc[UNW_SH_PR] = DWARF_REG_LOC (&c->dwarf, UNW_SH_PR); ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_SH_PC], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_TDEP_SP], &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = SH_SCF_NONE; c->sigcontext_addr = 0; c->sigcontext_sp = 0; c->sigcontext_pc = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/mips/0000755000175000017500000000000013640673451012261 500000000000000libunwind-1.3.2/src/mips/unwind_i.h0000644000175000017500000000315013406556425014166 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" #define mips_lock UNW_OBJ(lock) #define mips_local_resume UNW_OBJ(local_resume) #define mips_local_addr_space_init UNW_OBJ(local_addr_space_init) extern int mips_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); extern void mips_local_addr_space_init (void); #endif /* unwind_i_h */ libunwind-1.3.2/src/mips/Gget_save_loc.c0000644000175000017500000000514213406755365015115 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* FIXME for MIPS. */ int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ switch (reg) { case UNW_MIPS_R0: case UNW_MIPS_R1: case UNW_MIPS_R2: case UNW_MIPS_R3: case UNW_MIPS_R4: case UNW_MIPS_R5: case UNW_MIPS_R6: case UNW_MIPS_R7: case UNW_MIPS_R8: case UNW_MIPS_R9: case UNW_MIPS_R10: case UNW_MIPS_R11: case UNW_MIPS_R12: case UNW_MIPS_R13: case UNW_MIPS_R14: case UNW_MIPS_R15: case UNW_MIPS_R16: case UNW_MIPS_R17: case UNW_MIPS_R18: case UNW_MIPS_R19: case UNW_MIPS_R20: case UNW_MIPS_R21: case UNW_MIPS_R22: case UNW_MIPS_R23: case UNW_MIPS_R24: case UNW_MIPS_R25: case UNW_MIPS_R26: case UNW_MIPS_R27: case UNW_MIPS_R28: case UNW_MIPS_R29: case UNW_MIPS_R30: case UNW_MIPS_R31: case UNW_MIPS_PC: loc = c->dwarf.loc[reg - UNW_MIPS_R0]; break; default: break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/mips/Ginit_local.c0000644000175000017500000000406213406755365014600 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local(unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/mips/Lapply_reg_state.c0000644000175000017500000000021413406755365015645 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/mips/Greg_states_iterate.c0000644000175000017500000000277613406755365016352 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/mips/Lregs.c0000644000175000017500000000020113406556425013413 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/mips/regname.c0000644000175000017500000000327213406755365013774 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { /* 0. */ "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", /* 8. */ "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", /* 16. */ "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", /* 24. */ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else if (reg == UNW_MIPS_PC) return "pc"; else return "???"; } libunwind-1.3.2/src/mips/Ginit_remote.c0000644000175000017500000000304713406755365015003 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/mips/Linit_remote.c0000644000175000017500000000021013406556425014771 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/mips/Gstep.c0000644000175000017500000001253113640667603013433 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2015 Imagination Technologies Limited Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" static int mips_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t sc_addr, sp_addr = c->dwarf.cfa; unw_word_t ra, fp; int ret; switch (unw_is_signal_frame (cursor)) { case 1: sc_addr = sp_addr + LINUX_SF_TRAMP_SIZE + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; break; case 2: sc_addr = sp_addr + LINUX_UC_MCONTEXT_OFF; break; default: return -UNW_EUNSPEC; } if (tdep_big_endian(c->dwarf.as)) sc_addr += 4; c->sigcontext_addr = sc_addr; /* Update the dwarf cursor. */ c->dwarf.loc[UNW_MIPS_R0] = DWARF_LOC (sc_addr + LINUX_SC_R0_OFF, 0); c->dwarf.loc[UNW_MIPS_R1] = DWARF_LOC (sc_addr + LINUX_SC_R1_OFF, 0); c->dwarf.loc[UNW_MIPS_R2] = DWARF_LOC (sc_addr + LINUX_SC_R2_OFF, 0); c->dwarf.loc[UNW_MIPS_R3] = DWARF_LOC (sc_addr + LINUX_SC_R3_OFF, 0); c->dwarf.loc[UNW_MIPS_R4] = DWARF_LOC (sc_addr + LINUX_SC_R4_OFF, 0); c->dwarf.loc[UNW_MIPS_R5] = DWARF_LOC (sc_addr + LINUX_SC_R5_OFF, 0); c->dwarf.loc[UNW_MIPS_R6] = DWARF_LOC (sc_addr + LINUX_SC_R6_OFF, 0); c->dwarf.loc[UNW_MIPS_R7] = DWARF_LOC (sc_addr + LINUX_SC_R7_OFF, 0); c->dwarf.loc[UNW_MIPS_R8] = DWARF_LOC (sc_addr + LINUX_SC_R8_OFF, 0); c->dwarf.loc[UNW_MIPS_R9] = DWARF_LOC (sc_addr + LINUX_SC_R9_OFF, 0); c->dwarf.loc[UNW_MIPS_R10] = DWARF_LOC (sc_addr + LINUX_SC_R10_OFF, 0); c->dwarf.loc[UNW_MIPS_R11] = DWARF_LOC (sc_addr + LINUX_SC_R11_OFF, 0); c->dwarf.loc[UNW_MIPS_R12] = DWARF_LOC (sc_addr + LINUX_SC_R12_OFF, 0); c->dwarf.loc[UNW_MIPS_R13] = DWARF_LOC (sc_addr + LINUX_SC_R13_OFF, 0); c->dwarf.loc[UNW_MIPS_R14] = DWARF_LOC (sc_addr + LINUX_SC_R14_OFF, 0); c->dwarf.loc[UNW_MIPS_R15] = DWARF_LOC (sc_addr + LINUX_SC_R15_OFF, 0); c->dwarf.loc[UNW_MIPS_R16] = DWARF_LOC (sc_addr + LINUX_SC_R16_OFF, 0); c->dwarf.loc[UNW_MIPS_R17] = DWARF_LOC (sc_addr + LINUX_SC_R17_OFF, 0); c->dwarf.loc[UNW_MIPS_R18] = DWARF_LOC (sc_addr + LINUX_SC_R18_OFF, 0); c->dwarf.loc[UNW_MIPS_R19] = DWARF_LOC (sc_addr + LINUX_SC_R19_OFF, 0); c->dwarf.loc[UNW_MIPS_R20] = DWARF_LOC (sc_addr + LINUX_SC_R20_OFF, 0); c->dwarf.loc[UNW_MIPS_R21] = DWARF_LOC (sc_addr + LINUX_SC_R21_OFF, 0); c->dwarf.loc[UNW_MIPS_R22] = DWARF_LOC (sc_addr + LINUX_SC_R22_OFF, 0); c->dwarf.loc[UNW_MIPS_R23] = DWARF_LOC (sc_addr + LINUX_SC_R23_OFF, 0); c->dwarf.loc[UNW_MIPS_R24] = DWARF_LOC (sc_addr + LINUX_SC_R24_OFF, 0); c->dwarf.loc[UNW_MIPS_R25] = DWARF_LOC (sc_addr + LINUX_SC_R25_OFF, 0); c->dwarf.loc[UNW_MIPS_R26] = DWARF_LOC (sc_addr + LINUX_SC_R26_OFF, 0); c->dwarf.loc[UNW_MIPS_R27] = DWARF_LOC (sc_addr + LINUX_SC_R27_OFF, 0); c->dwarf.loc[UNW_MIPS_R28] = DWARF_LOC (sc_addr + LINUX_SC_R28_OFF, 0); c->dwarf.loc[UNW_MIPS_R29] = DWARF_LOC (sc_addr + LINUX_SC_R29_OFF, 0); c->dwarf.loc[UNW_MIPS_R30] = DWARF_LOC (sc_addr + LINUX_SC_R30_OFF, 0); c->dwarf.loc[UNW_MIPS_R31] = DWARF_LOC (sc_addr + LINUX_SC_R31_OFF, 0); c->dwarf.loc[UNW_MIPS_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_MIPS_R29], &c->dwarf.cfa); if ((ret = dwarf_get(&c->dwarf, DWARF_LOC(sc_addr + LINUX_SC_PC_OFF, 0), &c->dwarf.ip)) < 0) return ret; if ((ret = dwarf_get(&c->dwarf, DWARF_LOC(sc_addr + LINUX_SC_R31_OFF, 0), &ra)) < 0) return ret; if ((ret = dwarf_get(&c->dwarf, DWARF_LOC(sc_addr + LINUX_SC_R30_OFF, 0), &fp)) < 0) return ret; Debug (2, "SH (ip=0x%016llx, ra=0x%016llx, sp=0x%016llx, fp=0x%016llx)\n", (unsigned long long)c->dwarf.ip, (unsigned long long)ra, (unsigned long long)c->dwarf.cfa, (unsigned long long)fp); c->dwarf.pi_valid = 0; c->dwarf.use_prev_instr = 0; return 1; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; ret = mips_handle_signal_frame (cursor); if (ret < 0) /* Not a signal frame, try DWARF-based unwinding. */ ret = dwarf_step (&c->dwarf); if (unlikely (ret == -UNW_ESTOPUNWIND)) return ret; /* Dwarf unwinding didn't work, stop. */ if (unlikely (ret < 0)) return 0; return (c->dwarf.ip == 0) ? 0 : 1; } libunwind-1.3.2/src/mips/Linit_local.c0000644000175000017500000000020713406556425014576 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/mips/Gis_signal_frame.c0000644000175000017500000000427013406755365015606 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2015 Imagination Technologies Limited Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; ip = c->dwarf.ip; /* syscall */ if ((ret = (*a->access_mem) (as, ip + 4, &w1, 0, arg)) < 0) return 0; if ((w1 & 0xffffffff) != 0x0c) return 0; /* li v0, 0x1061 (rt) or li v0, 0x1017 */ if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0) return 0; switch (c->dwarf.as->abi) { case UNW_MIPS_ABI_O32: switch (w0 & 0xffffffff) { case 0x24021061: return 1; case 0x24021017: return 2; default: return 0; } case UNW_MIPS_ABI_N64: switch (w0 & 0xffffffff) { case 0x2402145b: return 1; default: return 0; } default: return 0; } } libunwind-1.3.2/src/mips/Linit.c0000644000175000017500000000020113406556425013416 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/mips/Ginit.c0000644000175000017500000001371013640667603013423 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; /* Return the address of the 64-bit slot in UC for REG (even for o32, where registers are 32-bit, the slots are still 64-bit). */ static inline void * uc_addr (ucontext_t *uc, int reg) { if (reg >= UNW_MIPS_R0 && reg < UNW_MIPS_R0 + 32) return &uc->uc_mcontext.gregs[reg - UNW_MIPS_R0]; else if (reg == UNW_MIPS_PC) return &uc->uc_mcontext.pc; else return NULL; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { char *addr = uc_addr (uc, reg); if (((reg >= UNW_MIPS_R0 && reg <= UNW_MIPS_R31) || reg == UNW_MIPS_PC) && tdep_big_endian (unw_local_addr_space) && unw_local_addr_space->abi == UNW_MIPS_ABI_O32) addr += 4; return addr; } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) (intptr_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (16, "mem[%llx] <- %llx\n", (long long) addr, (long long) *val); *(unw_word_t *) (intptr_t) addr = *val; } else { *val = *(unw_word_t *) (intptr_t) addr; Debug (16, "mem[%llx] -> %llx\n", (long long) addr, (long long) *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if (unw_is_fpreg (reg)) goto badreg; Debug (16, "reg = %s\n", unw_regname (reg)); if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) (intptr_t) addr = (mips_reg_t) *val; Debug (12, "%s <- %llx\n", unw_regname (reg), (long long) *val); } else { *val = (mips_reg_t) *(unw_word_t *) (intptr_t) addr; Debug (12, "%s -> %llx\n", unw_regname (reg), (long long) *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) (intptr_t) addr = *val; } else { *val = *(unw_fpreg_t *) (intptr_t) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return elf_w (get_proc_name) (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void mips_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN); #if _MIPS_SIM == _ABIO32 local_addr_space.abi = UNW_MIPS_ABI_O32; #elif _MIPS_SIM == _ABIN32 local_addr_space.abi = UNW_MIPS_ABI_N32; #elif _MIPS_SIM == _ABI64 local_addr_space.abi = UNW_MIPS_ABI_N64; #else # error Unsupported ABI #endif local_addr_space.addr_size = sizeof (void *); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = NULL; /* mips_local_resume? FIXME! */ local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/mips/Gglobal.c0000644000175000017500000000324213406556425013716 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (mips_lock); HIDDEN int tdep_init_done; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&mips_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY mips_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&mips_lock, saved_mask); } libunwind-1.3.2/src/mips/Lstep.c0000644000175000017500000000020113406556425013426 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/mips/siglongjmp.S0000644000175000017500000000021313406556425014473 00000000000000 /* Dummy implementation for now. */ .globl _UI_siglongjmp_cont .globl _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: j $31 libunwind-1.3.2/src/mips/Lget_save_loc.c0000644000175000017500000000021113406556425015106 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/mips/Lglobal.c0000644000175000017500000000020313406556425013715 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/mips/Gresume.c0000644000175000017500000000266013406755365013765 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* FIXME for MIPS. */ #include #include "unwind_i.h" #ifndef UNW_REMOTE_ONLY HIDDEN inline int mips_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ int unw_resume (unw_cursor_t *cursor) { return -UNW_EINVAL; } libunwind-1.3.2/src/mips/Gcreate_addr_space.c0000644000175000017500000000363513640667603016075 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * MIPS supports only big or little-endian, not weird stuff like * PDP_ENDIAN. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; if (byte_order == 0) /* use host default: */ as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); else as->big_endian = (byte_order == __BIG_ENDIAN); /* FIXME! There is no way to specify the ABI. */ as->abi = UNW_MIPS_ABI_O32; as->addr_size = 4; return as; #endif } libunwind-1.3.2/src/mips/offsets.h0000644000175000017500000000636413406556425014035 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* FIXME: Currently these are only used in getcontext.S, which is only used for a local unwinder, so we can use the compile-time ABI. At a later date we will want all three here, to use for signal handlers. Also, because of the three ABIs, gen-offsets.c can not quite generate this file. */ /* Offsets for MIPS Linux "ucontext_t": */ /* First 24 bytes in sigframe are argument save space and padding for what used to be signal trampolines. Ref: arch/mips/kernel/signal.c */ #define LINUX_SF_TRAMP_SIZE 0x18 #if _MIPS_SIM == _ABIO32 # define LINUX_UC_FLAGS_OFF 0x0 # define LINUX_UC_LINK_OFF 0x4 # define LINUX_UC_STACK_OFF 0x8 # define LINUX_UC_MCONTEXT_OFF 0x18 # define LINUX_UC_SIGMASK_OFF 0x268 # define LINUX_UC_MCONTEXT_PC 0x20 # define LINUX_UC_MCONTEXT_GREGS 0x28 #elif _MIPS_SIM == _ABIN32 # define LINUX_UC_FLAGS_OFF 0x0 # define LINUX_UC_LINK_OFF 0x4 # define LINUX_UC_STACK_OFF 0x8 # define LINUX_UC_MCONTEXT_OFF 0x18 # define LINUX_UC_SIGMASK_OFF 0x270 # define LINUX_UC_MCONTEXT_PC 0x258 # define LINUX_UC_MCONTEXT_GREGS 0x18 #elif _MIPS_SIM == _ABI64 # define LINUX_UC_FLAGS_OFF 0x0 # define LINUX_UC_LINK_OFF 0x8 # define LINUX_UC_STACK_OFF 0x10 # define LINUX_UC_MCONTEXT_OFF 0x28 # define LINUX_UC_SIGMASK_OFF 0x280 # define LINUX_UC_MCONTEXT_PC 0x268 # define LINUX_UC_MCONTEXT_GREGS 0x28 #else #error Unsupported ABI #endif #define LINUX_SC_R0_OFF (LINUX_UC_MCONTEXT_GREGS - LINUX_UC_MCONTEXT_OFF) #define LINUX_SC_R1_OFF (LINUX_SC_R0_OFF + 1*8) #define LINUX_SC_R2_OFF (LINUX_SC_R0_OFF + 2*8) #define LINUX_SC_R3_OFF (LINUX_SC_R0_OFF + 3*8) #define LINUX_SC_R4_OFF (LINUX_SC_R0_OFF + 4*8) #define LINUX_SC_R5_OFF (LINUX_SC_R0_OFF + 5*8) #define LINUX_SC_R6_OFF (LINUX_SC_R0_OFF + 6*8) #define LINUX_SC_R7_OFF (LINUX_SC_R0_OFF + 7*8) #define LINUX_SC_R8_OFF (LINUX_SC_R0_OFF + 8*8) #define LINUX_SC_R9_OFF (LINUX_SC_R0_OFF + 9*8) #define LINUX_SC_R10_OFF (LINUX_SC_R0_OFF + 10*8) #define LINUX_SC_R11_OFF (LINUX_SC_R0_OFF + 11*8) #define LINUX_SC_R12_OFF (LINUX_SC_R0_OFF + 12*8) #define LINUX_SC_R13_OFF (LINUX_SC_R0_OFF + 13*8) #define LINUX_SC_R14_OFF (LINUX_SC_R0_OFF + 14*8) #define LINUX_SC_R15_OFF (LINUX_SC_R0_OFF + 15*8) #define LINUX_SC_R16_OFF (LINUX_SC_R0_OFF + 16*8) #define LINUX_SC_R17_OFF (LINUX_SC_R0_OFF + 17*8) #define LINUX_SC_R18_OFF (LINUX_SC_R0_OFF + 18*8) #define LINUX_SC_R19_OFF (LINUX_SC_R0_OFF + 19*8) #define LINUX_SC_R20_OFF (LINUX_SC_R0_OFF + 20*8) #define LINUX_SC_R21_OFF (LINUX_SC_R0_OFF + 21*8) #define LINUX_SC_R22_OFF (LINUX_SC_R0_OFF + 22*8) #define LINUX_SC_R23_OFF (LINUX_SC_R0_OFF + 23*8) #define LINUX_SC_R24_OFF (LINUX_SC_R0_OFF + 24*8) #define LINUX_SC_R25_OFF (LINUX_SC_R0_OFF + 25*8) #define LINUX_SC_R26_OFF (LINUX_SC_R0_OFF + 26*8) #define LINUX_SC_R27_OFF (LINUX_SC_R0_OFF + 27*8) #define LINUX_SC_R28_OFF (LINUX_SC_R0_OFF + 28*8) #define LINUX_SC_R29_OFF (LINUX_SC_R0_OFF + 29*8) #define LINUX_SC_R30_OFF (LINUX_SC_R0_OFF + 30*8) #define LINUX_SC_R31_OFF (LINUX_SC_R0_OFF + 31*8) #define LINUX_SC_SP_OFF LINUX_SC_R29_OFF #define LINUX_SC_PC_OFF (LINUX_UC_MCONTEXT_PC - LINUX_UC_MCONTEXT_OFF) libunwind-1.3.2/src/mips/Lis_signal_frame.c0000644000175000017500000000021413406556425015601 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/mips/Lreg_states_iterate.c0000644000175000017500000000021713406755365016343 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/mips/Gget_proc_info.c0000644000175000017500000000274513640667603015303 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; /* We can only unwind using Dwarf into on MIPS: return failure code if it's not present. */ ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) return ret; *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/mips/getcontext.S0000644000175000017500000000457013406556425014520 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include .text #if _MIPS_SIM == _ABIO32 # if __BYTE_ORDER == __BIG_ENDIAN # define OFFSET 4 # else # define OFFSET 0 # endif # define SREG(X) \ sw $X, (LINUX_UC_MCONTEXT_GREGS + 8 * X + OFFSET) ($4); \ sra $1, $X, 31; \ sw $1, (LINUX_UC_MCONTEXT_GREGS + 8 * X + 4 - OFFSET) ($4) /* Yes, we save the return address to PC. */ # define SPC \ sw $31, (LINUX_UC_MCONTEXT_PC + OFFSET) ($4); \ sra $1, $31, 31; \ sw $1, (LINUX_UC_MCONTEXT_PC + 4 - OFFSET) ($4) #else # define SREG(X) sd $X, (LINUX_UC_MCONTEXT_GREGS + 8 * X) ($4) # define SPC sd $31, (LINUX_UC_MCONTEXT_PC) ($4) #endif .global _Umips_getcontext .type _Umips_getcontext, %function # This is a stub version of getcontext() for MIPS which only stores core # registers. _Umips_getcontext: .set noat SREG (1) SREG (0) SREG (2) SREG (3) SREG (4) SREG (5) SREG (6) SREG (7) SREG (8) SREG (9) SREG (10) SREG (11) SREG (12) SREG (13) SREG (14) SREG (15) SREG (16) SREG (17) SREG (18) SREG (19) SREG (20) SREG (21) SREG (22) SREG (23) SREG (24) SREG (25) SREG (26) SREG (27) SREG (28) SREG (29) SREG (30) SREG (31) SPC li $2, 0 j $31 .size _Umips_getcontext, .-_Umips_getcontext libunwind-1.3.2/src/mips/Gapply_reg_state.c0000644000175000017500000000300513406755365015641 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/mips/Lcreate_addr_space.c0000644000175000017500000000021613406556425016071 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/mips/Lget_proc_info.c0000644000175000017500000000021213406556425015272 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/mips/is_fpreg.c0000644000175000017500000000250313406755365014150 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" /* FIXME: I'm not sure if libunwind's GP/FP register distinction is very useful on MIPS. */ int unw_is_fpreg (int regnum) { /* FIXME: Support FP. */ return 0; } libunwind-1.3.2/src/mips/Gregs.c0000644000175000017500000000560313640667603013422 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* FIXME: The following is probably unfinished and/or at least partly bogus. */ HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; switch (reg) { case UNW_MIPS_R0: case UNW_MIPS_R1: case UNW_MIPS_R2: case UNW_MIPS_R3: case UNW_MIPS_R4: case UNW_MIPS_R5: case UNW_MIPS_R6: case UNW_MIPS_R7: case UNW_MIPS_R8: case UNW_MIPS_R9: case UNW_MIPS_R10: case UNW_MIPS_R11: case UNW_MIPS_R12: case UNW_MIPS_R13: case UNW_MIPS_R14: case UNW_MIPS_R15: case UNW_MIPS_R16: case UNW_MIPS_R17: case UNW_MIPS_R18: case UNW_MIPS_R19: case UNW_MIPS_R20: case UNW_MIPS_R21: case UNW_MIPS_R22: case UNW_MIPS_R23: case UNW_MIPS_R24: case UNW_MIPS_R25: case UNW_MIPS_R26: case UNW_MIPS_R27: case UNW_MIPS_R28: case UNW_MIPS_R29: case UNW_MIPS_R30: case UNW_MIPS_R31: loc = c->dwarf.loc[reg - UNW_MIPS_R0]; break; case UNW_MIPS_PC: if (write) c->dwarf.ip = *valp; /* update the IP cache */ loc = c->dwarf.loc[reg]; break; case UNW_MIPS_CFA: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; /* FIXME: IP? Copro & shadow registers? */ default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } /* FIXME for MIPS. */ HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } libunwind-1.3.2/src/mips/Lresume.c0000644000175000017500000000020313406556425013755 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/mips/init.h0000644000175000017500000000375213406755365013331 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret, i; for (i = 0; i < 32; i++) c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, UNW_MIPS_R0 + i); for (i = 32; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; c->dwarf.loc[UNW_MIPS_PC] = DWARF_REG_LOC (&c->dwarf, UNW_MIPS_PC); ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_MIPS_PC], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_MIPS_R29), &c->dwarf.cfa); if (ret < 0) return ret; /* FIXME: Initialisation for other registers. */ c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/ptrace/0000755000175000017500000000000013640673450012566 500000000000000libunwind-1.3.2/src/ptrace/_UPT_access_fpreg.c0000644000175000017500000000734413640667603016200 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" #if HAVE_DECL_PTRACE_POKEUSER || HAVE_TTRACE int _UPT_access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { unw_word_t *wp = (unw_word_t *) val; struct UPT_info *ui = arg; pid_t pid = ui->pid; int i; if ((unsigned) reg >= ARRAY_SIZE (_UPT_reg_offset)) return -UNW_EBADREG; errno = 0; if (write) for (i = 0; i < (int) (sizeof (*val) / sizeof (wp[i])); ++i) { #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else ptrace (PTRACE_POKEUSER, pid, _UPT_reg_offset[reg] + i * sizeof(wp[i]), wp[i]); #endif if (errno) return -UNW_EBADREG; } else for (i = 0; i < (int) (sizeof (*val) / sizeof (wp[i])); ++i) { #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else wp[i] = ptrace (PTRACE_PEEKUSER, pid, _UPT_reg_offset[reg] + i * sizeof(wp[i]), 0); #endif if (errno) return -UNW_EBADREG; } return 0; } #elif HAVE_DECL_PT_GETFPREGS int _UPT_access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { struct UPT_info *ui = arg; pid_t pid = ui->pid; fpregset_t fpreg; #if defined(__amd64__) if (1) /* XXXKIB */ return -UNW_EBADREG; #elif defined(__i386__) if ((unsigned) reg < UNW_X86_ST0 || (unsigned) reg > UNW_X86_ST7) return -UNW_EBADREG; #elif defined(__arm__) if ((unsigned) reg < UNW_ARM_F0 || (unsigned) reg > UNW_ARM_F7) return -UNW_EBADREG; #else #error Fix me #endif if ((unsigned) reg >= ARRAY_SIZE (_UPT_reg_offset)) return -UNW_EBADREG; if (ptrace(PT_GETFPREGS, pid, (caddr_t)&fpreg, 0) == -1) return -UNW_EBADREG; if (write) { #if defined(__amd64__) memcpy(&fpreg.fpr_xacc[reg], val, sizeof(unw_fpreg_t)); #elif defined(__i386__) memcpy(&fpreg.fpr_acc[reg], val, sizeof(unw_fpreg_t)); #elif defined(__arm__) memcpy(&fpreg.fpr[reg], val, sizeof(unw_fpreg_t)); #else #error Fix me #endif if (ptrace(PT_SETFPREGS, pid, (caddr_t)&fpreg, 0) == -1) return -UNW_EBADREG; } else #if defined(__amd64__) memcpy(val, &fpreg.fpr_xacc[reg], sizeof(unw_fpreg_t)); #elif defined(__i386__) memcpy(val, &fpreg.fpr_acc[reg], sizeof(unw_fpreg_t)); #elif defined(__arm__) memcpy(val, &fpreg.fpr[reg], sizeof(unw_fpreg_t)); #else #error Fix me #endif return 0; } #else #error Fix me #endif libunwind-1.3.2/src/ptrace/_UPT_accessors.c0000644000175000017500000000326713406755365015544 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" unw_accessors_t _UPT_accessors = { .find_proc_info = _UPT_find_proc_info, .put_unwind_info = _UPT_put_unwind_info, .get_dyn_info_list_addr = _UPT_get_dyn_info_list_addr, .access_mem = _UPT_access_mem, .access_reg = _UPT_access_reg, .access_fpreg = _UPT_access_fpreg, .resume = _UPT_resume, .get_proc_name = _UPT_get_proc_name }; libunwind-1.3.2/src/ptrace/_UPT_access_mem.c0000644000175000017500000000711713406755365015654 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" #if HAVE_DECL_PTRACE_POKEDATA || HAVE_TTRACE int _UPT_access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { struct UPT_info *ui = arg; int i, end; unw_word_t tmp_val; if (!ui) return -UNW_EINVAL; pid_t pid = ui->pid; // Some 32-bit archs have to define a 64-bit unw_word_t. // Callers of this function therefore expect a 64-bit // return value, but ptrace only returns a 32-bit value // in such cases. if (sizeof(long) == 4 && sizeof(unw_word_t) == 8) end = 2; else end = 1; for (i = 0; i < end; i++) { unw_word_t tmp_addr = i == 0 ? addr : addr + 4; errno = 0; if (write) { #if __BYTE_ORDER == __LITTLE_ENDIAN tmp_val = i == 0 ? *val : *val >> 32; #else tmp_val = i == 0 && end == 2 ? *val >> 32 : *val; #endif Debug (16, "mem[%lx] <- %lx\n", (long) tmp_addr, (long) tmp_val); #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else ptrace (PTRACE_POKEDATA, pid, tmp_addr, tmp_val); if (errno) return -UNW_EINVAL; #endif } else { #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else tmp_val = (unsigned long) ptrace (PTRACE_PEEKDATA, pid, tmp_addr, 0); if (i == 0) *val = 0; #if __BYTE_ORDER == __LITTLE_ENDIAN *val |= tmp_val << (i * 32); #else *val |= i == 0 && end == 2 ? tmp_val << 32 : tmp_val; #endif if (errno) return -UNW_EINVAL; #endif Debug (16, "mem[%lx] -> %lx\n", (long) tmp_addr, (long) tmp_val); } } return 0; } #elif HAVE_DECL_PT_IO int _UPT_access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { struct UPT_info *ui = arg; if (!ui) return -UNW_EINVAL; pid_t pid = ui->pid; struct ptrace_io_desc iod; iod.piod_offs = (void *)addr; iod.piod_addr = val; iod.piod_len = sizeof(*val); iod.piod_op = write ? PIOD_WRITE_D : PIOD_READ_D; if (write) Debug (16, "mem[%lx] <- %lx\n", (long) addr, (long) *val); if (ptrace(PT_IO, pid, (caddr_t)&iod, 0) == -1) return -UNW_EINVAL; if (!write) Debug (16, "mem[%lx] -> %lx\n", (long) addr, (long) *val); return 0; } #else #error Fix me #endif libunwind-1.3.2/src/ptrace/_UPT_destroy.c0000644000175000017500000000253613406556425015242 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" void _UPT_destroy (void *ptr) { struct UPT_info *ui = (struct UPT_info *) ptr; invalidate_edi (&ui->edi); free (ptr); } libunwind-1.3.2/src/ptrace/_UPT_put_unwind_info.c0000644000175000017500000000261413406556425016755 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" void _UPT_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { if (!pi->unwind_info) return; free (pi->unwind_info); pi->unwind_info = NULL; } libunwind-1.3.2/src/ptrace/_UPT_reg_offset.c0000644000175000017500000006457513640667603015710 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" #include #ifdef HAVE_ASM_PTRACE_OFFSETS_H # include #endif const int _UPT_reg_offset[UNW_REG_LAST + 1] = { #ifdef HAVE_ASM_PTRACE_OFFSETS_H # ifndef PT_AR_CSD # define PT_AR_CSD -1 /* this was introduced with rev 2.1 of ia64 */ # endif [UNW_IA64_GR + 0] = -1, [UNW_IA64_GR + 1] = PT_R1, [UNW_IA64_GR + 2] = PT_R2, [UNW_IA64_GR + 3] = PT_R3, [UNW_IA64_GR + 4] = PT_R4, [UNW_IA64_GR + 5] = PT_R5, [UNW_IA64_GR + 6] = PT_R6, [UNW_IA64_GR + 7] = PT_R7, [UNW_IA64_GR + 8] = PT_R8, [UNW_IA64_GR + 9] = PT_R9, [UNW_IA64_GR + 10] = PT_R10, [UNW_IA64_GR + 11] = PT_R11, [UNW_IA64_GR + 12] = PT_R12, [UNW_IA64_GR + 13] = PT_R13, [UNW_IA64_GR + 14] = PT_R14, [UNW_IA64_GR + 15] = PT_R15, [UNW_IA64_GR + 16] = PT_R16, [UNW_IA64_GR + 17] = PT_R17, [UNW_IA64_GR + 18] = PT_R18, [UNW_IA64_GR + 19] = PT_R19, [UNW_IA64_GR + 20] = PT_R20, [UNW_IA64_GR + 21] = PT_R21, [UNW_IA64_GR + 22] = PT_R22, [UNW_IA64_GR + 23] = PT_R23, [UNW_IA64_GR + 24] = PT_R24, [UNW_IA64_GR + 25] = PT_R25, [UNW_IA64_GR + 26] = PT_R26, [UNW_IA64_GR + 27] = PT_R27, [UNW_IA64_GR + 28] = PT_R28, [UNW_IA64_GR + 29] = PT_R29, [UNW_IA64_GR + 30] = PT_R30, [UNW_IA64_GR + 31] = PT_R31, [UNW_IA64_NAT+ 0] = -1, [UNW_IA64_NAT+ 1] = PT_NAT_BITS, [UNW_IA64_NAT+ 2] = PT_NAT_BITS, [UNW_IA64_NAT+ 3] = PT_NAT_BITS, [UNW_IA64_NAT+ 4] = PT_NAT_BITS, [UNW_IA64_NAT+ 5] = PT_NAT_BITS, [UNW_IA64_NAT+ 6] = PT_NAT_BITS, [UNW_IA64_NAT+ 7] = PT_NAT_BITS, [UNW_IA64_NAT+ 8] = PT_NAT_BITS, [UNW_IA64_NAT+ 9] = PT_NAT_BITS, [UNW_IA64_NAT+ 10] = PT_NAT_BITS, [UNW_IA64_NAT+ 11] = PT_NAT_BITS, [UNW_IA64_NAT+ 12] = PT_NAT_BITS, [UNW_IA64_NAT+ 13] = PT_NAT_BITS, [UNW_IA64_NAT+ 14] = PT_NAT_BITS, [UNW_IA64_NAT+ 15] = PT_NAT_BITS, [UNW_IA64_NAT+ 16] = PT_NAT_BITS, [UNW_IA64_NAT+ 17] = PT_NAT_BITS, [UNW_IA64_NAT+ 18] = PT_NAT_BITS, [UNW_IA64_NAT+ 19] = PT_NAT_BITS, [UNW_IA64_NAT+ 20] = PT_NAT_BITS, [UNW_IA64_NAT+ 21] = PT_NAT_BITS, [UNW_IA64_NAT+ 22] = PT_NAT_BITS, [UNW_IA64_NAT+ 23] = PT_NAT_BITS, [UNW_IA64_NAT+ 24] = PT_NAT_BITS, [UNW_IA64_NAT+ 25] = PT_NAT_BITS, [UNW_IA64_NAT+ 26] = PT_NAT_BITS, [UNW_IA64_NAT+ 27] = PT_NAT_BITS, [UNW_IA64_NAT+ 28] = PT_NAT_BITS, [UNW_IA64_NAT+ 29] = PT_NAT_BITS, [UNW_IA64_NAT+ 30] = PT_NAT_BITS, [UNW_IA64_NAT+ 31] = PT_NAT_BITS, [UNW_IA64_FR + 0] = -1, [UNW_IA64_FR + 1] = -1, [UNW_IA64_FR + 2] = PT_F2, [UNW_IA64_FR + 3] = PT_F3, [UNW_IA64_FR + 4] = PT_F4, [UNW_IA64_FR + 5] = PT_F5, [UNW_IA64_FR + 6] = PT_F6, [UNW_IA64_FR + 7] = PT_F7, [UNW_IA64_FR + 8] = PT_F8, [UNW_IA64_FR + 9] = PT_F9, [UNW_IA64_FR + 10] = PT_F10, [UNW_IA64_FR + 11] = PT_F11, [UNW_IA64_FR + 12] = PT_F12, [UNW_IA64_FR + 13] = PT_F13, [UNW_IA64_FR + 14] = PT_F14, [UNW_IA64_FR + 15] = PT_F15, [UNW_IA64_FR + 16] = PT_F16, [UNW_IA64_FR + 17] = PT_F17, [UNW_IA64_FR + 18] = PT_F18, [UNW_IA64_FR + 19] = PT_F19, [UNW_IA64_FR + 20] = PT_F20, [UNW_IA64_FR + 21] = PT_F21, [UNW_IA64_FR + 22] = PT_F22, [UNW_IA64_FR + 23] = PT_F23, [UNW_IA64_FR + 24] = PT_F24, [UNW_IA64_FR + 25] = PT_F25, [UNW_IA64_FR + 26] = PT_F26, [UNW_IA64_FR + 27] = PT_F27, [UNW_IA64_FR + 28] = PT_F28, [UNW_IA64_FR + 29] = PT_F29, [UNW_IA64_FR + 30] = PT_F30, [UNW_IA64_FR + 31] = PT_F31, [UNW_IA64_FR + 32] = PT_F32, [UNW_IA64_FR + 33] = PT_F33, [UNW_IA64_FR + 34] = PT_F34, [UNW_IA64_FR + 35] = PT_F35, [UNW_IA64_FR + 36] = PT_F36, [UNW_IA64_FR + 37] = PT_F37, [UNW_IA64_FR + 38] = PT_F38, [UNW_IA64_FR + 39] = PT_F39, [UNW_IA64_FR + 40] = PT_F40, [UNW_IA64_FR + 41] = PT_F41, [UNW_IA64_FR + 42] = PT_F42, [UNW_IA64_FR + 43] = PT_F43, [UNW_IA64_FR + 44] = PT_F44, [UNW_IA64_FR + 45] = PT_F45, [UNW_IA64_FR + 46] = PT_F46, [UNW_IA64_FR + 47] = PT_F47, [UNW_IA64_FR + 48] = PT_F48, [UNW_IA64_FR + 49] = PT_F49, [UNW_IA64_FR + 50] = PT_F50, [UNW_IA64_FR + 51] = PT_F51, [UNW_IA64_FR + 52] = PT_F52, [UNW_IA64_FR + 53] = PT_F53, [UNW_IA64_FR + 54] = PT_F54, [UNW_IA64_FR + 55] = PT_F55, [UNW_IA64_FR + 56] = PT_F56, [UNW_IA64_FR + 57] = PT_F57, [UNW_IA64_FR + 58] = PT_F58, [UNW_IA64_FR + 59] = PT_F59, [UNW_IA64_FR + 60] = PT_F60, [UNW_IA64_FR + 61] = PT_F61, [UNW_IA64_FR + 62] = PT_F62, [UNW_IA64_FR + 63] = PT_F63, [UNW_IA64_FR + 64] = PT_F64, [UNW_IA64_FR + 65] = PT_F65, [UNW_IA64_FR + 66] = PT_F66, [UNW_IA64_FR + 67] = PT_F67, [UNW_IA64_FR + 68] = PT_F68, [UNW_IA64_FR + 69] = PT_F69, [UNW_IA64_FR + 70] = PT_F70, [UNW_IA64_FR + 71] = PT_F71, [UNW_IA64_FR + 72] = PT_F72, [UNW_IA64_FR + 73] = PT_F73, [UNW_IA64_FR + 74] = PT_F74, [UNW_IA64_FR + 75] = PT_F75, [UNW_IA64_FR + 76] = PT_F76, [UNW_IA64_FR + 77] = PT_F77, [UNW_IA64_FR + 78] = PT_F78, [UNW_IA64_FR + 79] = PT_F79, [UNW_IA64_FR + 80] = PT_F80, [UNW_IA64_FR + 81] = PT_F81, [UNW_IA64_FR + 82] = PT_F82, [UNW_IA64_FR + 83] = PT_F83, [UNW_IA64_FR + 84] = PT_F84, [UNW_IA64_FR + 85] = PT_F85, [UNW_IA64_FR + 86] = PT_F86, [UNW_IA64_FR + 87] = PT_F87, [UNW_IA64_FR + 88] = PT_F88, [UNW_IA64_FR + 89] = PT_F89, [UNW_IA64_FR + 90] = PT_F90, [UNW_IA64_FR + 91] = PT_F91, [UNW_IA64_FR + 92] = PT_F92, [UNW_IA64_FR + 93] = PT_F93, [UNW_IA64_FR + 94] = PT_F94, [UNW_IA64_FR + 95] = PT_F95, [UNW_IA64_FR + 96] = PT_F96, [UNW_IA64_FR + 97] = PT_F97, [UNW_IA64_FR + 98] = PT_F98, [UNW_IA64_FR + 99] = PT_F99, [UNW_IA64_FR +100] = PT_F100, [UNW_IA64_FR +101] = PT_F101, [UNW_IA64_FR +102] = PT_F102, [UNW_IA64_FR +103] = PT_F103, [UNW_IA64_FR +104] = PT_F104, [UNW_IA64_FR +105] = PT_F105, [UNW_IA64_FR +106] = PT_F106, [UNW_IA64_FR +107] = PT_F107, [UNW_IA64_FR +108] = PT_F108, [UNW_IA64_FR +109] = PT_F109, [UNW_IA64_FR +110] = PT_F110, [UNW_IA64_FR +111] = PT_F111, [UNW_IA64_FR +112] = PT_F112, [UNW_IA64_FR +113] = PT_F113, [UNW_IA64_FR +114] = PT_F114, [UNW_IA64_FR +115] = PT_F115, [UNW_IA64_FR +116] = PT_F116, [UNW_IA64_FR +117] = PT_F117, [UNW_IA64_FR +118] = PT_F118, [UNW_IA64_FR +119] = PT_F119, [UNW_IA64_FR +120] = PT_F120, [UNW_IA64_FR +121] = PT_F121, [UNW_IA64_FR +122] = PT_F122, [UNW_IA64_FR +123] = PT_F123, [UNW_IA64_FR +124] = PT_F124, [UNW_IA64_FR +125] = PT_F125, [UNW_IA64_FR +126] = PT_F126, [UNW_IA64_FR +127] = PT_F127, [UNW_IA64_AR + 0] = -1, [UNW_IA64_AR + 1] = -1, [UNW_IA64_AR + 2] = -1, [UNW_IA64_AR + 3] = -1, [UNW_IA64_AR + 4] = -1, [UNW_IA64_AR + 5] = -1, [UNW_IA64_AR + 6] = -1, [UNW_IA64_AR + 7] = -1, [UNW_IA64_AR + 8] = -1, [UNW_IA64_AR + 9] = -1, [UNW_IA64_AR + 10] = -1, [UNW_IA64_AR + 11] = -1, [UNW_IA64_AR + 12] = -1, [UNW_IA64_AR + 13] = -1, [UNW_IA64_AR + 14] = -1, [UNW_IA64_AR + 15] = -1, [UNW_IA64_AR + 16] = PT_AR_RSC, [UNW_IA64_AR + 17] = PT_AR_BSP, [UNW_IA64_AR + 18] = PT_AR_BSPSTORE,[UNW_IA64_AR + 19] = PT_AR_RNAT, [UNW_IA64_AR + 20] = -1, [UNW_IA64_AR + 21] = -1, [UNW_IA64_AR + 22] = -1, [UNW_IA64_AR + 23] = -1, [UNW_IA64_AR + 24] = -1, [UNW_IA64_AR + 25] = PT_AR_CSD, [UNW_IA64_AR + 26] = -1, [UNW_IA64_AR + 27] = -1, [UNW_IA64_AR + 28] = -1, [UNW_IA64_AR + 29] = -1, [UNW_IA64_AR + 30] = -1, [UNW_IA64_AR + 31] = -1, [UNW_IA64_AR + 32] = PT_AR_CCV, [UNW_IA64_AR + 33] = -1, [UNW_IA64_AR + 34] = -1, [UNW_IA64_AR + 35] = -1, [UNW_IA64_AR + 36] = PT_AR_UNAT, [UNW_IA64_AR + 37] = -1, [UNW_IA64_AR + 38] = -1, [UNW_IA64_AR + 39] = -1, [UNW_IA64_AR + 40] = PT_AR_FPSR, [UNW_IA64_AR + 41] = -1, [UNW_IA64_AR + 42] = -1, [UNW_IA64_AR + 43] = -1, [UNW_IA64_AR + 44] = -1, [UNW_IA64_AR + 45] = -1, [UNW_IA64_AR + 46] = -1, [UNW_IA64_AR + 47] = -1, [UNW_IA64_AR + 48] = -1, [UNW_IA64_AR + 49] = -1, [UNW_IA64_AR + 50] = -1, [UNW_IA64_AR + 51] = -1, [UNW_IA64_AR + 52] = -1, [UNW_IA64_AR + 53] = -1, [UNW_IA64_AR + 54] = -1, [UNW_IA64_AR + 55] = -1, [UNW_IA64_AR + 56] = -1, [UNW_IA64_AR + 57] = -1, [UNW_IA64_AR + 58] = -1, [UNW_IA64_AR + 59] = -1, [UNW_IA64_AR + 60] = -1, [UNW_IA64_AR + 61] = -1, [UNW_IA64_AR + 62] = -1, [UNW_IA64_AR + 63] = -1, [UNW_IA64_AR + 64] = PT_AR_PFS, [UNW_IA64_AR + 65] = PT_AR_LC, [UNW_IA64_AR + 66] = PT_AR_EC, [UNW_IA64_AR + 67] = -1, [UNW_IA64_AR + 68] = -1, [UNW_IA64_AR + 69] = -1, [UNW_IA64_AR + 70] = -1, [UNW_IA64_AR + 71] = -1, [UNW_IA64_AR + 72] = -1, [UNW_IA64_AR + 73] = -1, [UNW_IA64_AR + 74] = -1, [UNW_IA64_AR + 75] = -1, [UNW_IA64_AR + 76] = -1, [UNW_IA64_AR + 77] = -1, [UNW_IA64_AR + 78] = -1, [UNW_IA64_AR + 79] = -1, [UNW_IA64_AR + 80] = -1, [UNW_IA64_AR + 81] = -1, [UNW_IA64_AR + 82] = -1, [UNW_IA64_AR + 83] = -1, [UNW_IA64_AR + 84] = -1, [UNW_IA64_AR + 85] = -1, [UNW_IA64_AR + 86] = -1, [UNW_IA64_AR + 87] = -1, [UNW_IA64_AR + 88] = -1, [UNW_IA64_AR + 89] = -1, [UNW_IA64_AR + 90] = -1, [UNW_IA64_AR + 91] = -1, [UNW_IA64_AR + 92] = -1, [UNW_IA64_AR + 93] = -1, [UNW_IA64_AR + 94] = -1, [UNW_IA64_AR + 95] = -1, [UNW_IA64_AR + 96] = -1, [UNW_IA64_AR + 97] = -1, [UNW_IA64_AR + 98] = -1, [UNW_IA64_AR + 99] = -1, [UNW_IA64_AR +100] = -1, [UNW_IA64_AR +101] = -1, [UNW_IA64_AR +102] = -1, [UNW_IA64_AR +103] = -1, [UNW_IA64_AR +104] = -1, [UNW_IA64_AR +105] = -1, [UNW_IA64_AR +106] = -1, [UNW_IA64_AR +107] = -1, [UNW_IA64_AR +108] = -1, [UNW_IA64_AR +109] = -1, [UNW_IA64_AR +110] = -1, [UNW_IA64_AR +111] = -1, [UNW_IA64_AR +112] = -1, [UNW_IA64_AR +113] = -1, [UNW_IA64_AR +114] = -1, [UNW_IA64_AR +115] = -1, [UNW_IA64_AR +116] = -1, [UNW_IA64_AR +117] = -1, [UNW_IA64_AR +118] = -1, [UNW_IA64_AR +119] = -1, [UNW_IA64_AR +120] = -1, [UNW_IA64_AR +121] = -1, [UNW_IA64_AR +122] = -1, [UNW_IA64_AR +123] = -1, [UNW_IA64_AR +124] = -1, [UNW_IA64_AR +125] = -1, [UNW_IA64_AR +126] = -1, [UNW_IA64_AR +127] = -1, [UNW_IA64_BR + 0] = PT_B0, [UNW_IA64_BR + 1] = PT_B1, [UNW_IA64_BR + 2] = PT_B2, [UNW_IA64_BR + 3] = PT_B3, [UNW_IA64_BR + 4] = PT_B4, [UNW_IA64_BR + 5] = PT_B5, [UNW_IA64_BR + 6] = PT_B6, [UNW_IA64_BR + 7] = PT_B7, [UNW_IA64_PR] = PT_PR, [UNW_IA64_CFM] = PT_CFM, [UNW_IA64_IP] = PT_CR_IIP #elif defined(HAVE_TTRACE) # warning No support for ttrace() yet. #elif defined(UNW_TARGET_HPPA) [UNW_HPPA_GR + 0] = 0x000, [UNW_HPPA_GR + 1] = 0x004, [UNW_HPPA_GR + 2] = 0x008, [UNW_HPPA_GR + 3] = 0x00c, [UNW_HPPA_GR + 4] = 0x010, [UNW_HPPA_GR + 5] = 0x014, [UNW_HPPA_GR + 6] = 0x018, [UNW_HPPA_GR + 7] = 0x01c, [UNW_HPPA_GR + 8] = 0x020, [UNW_HPPA_GR + 9] = 0x024, [UNW_HPPA_GR + 10] = 0x028, [UNW_HPPA_GR + 11] = 0x02c, [UNW_HPPA_GR + 12] = 0x030, [UNW_HPPA_GR + 13] = 0x034, [UNW_HPPA_GR + 14] = 0x038, [UNW_HPPA_GR + 15] = 0x03c, [UNW_HPPA_GR + 16] = 0x040, [UNW_HPPA_GR + 17] = 0x044, [UNW_HPPA_GR + 18] = 0x048, [UNW_HPPA_GR + 19] = 0x04c, [UNW_HPPA_GR + 20] = 0x050, [UNW_HPPA_GR + 21] = 0x054, [UNW_HPPA_GR + 22] = 0x058, [UNW_HPPA_GR + 23] = 0x05c, [UNW_HPPA_GR + 24] = 0x060, [UNW_HPPA_GR + 25] = 0x064, [UNW_HPPA_GR + 26] = 0x068, [UNW_HPPA_GR + 27] = 0x06c, [UNW_HPPA_GR + 28] = 0x070, [UNW_HPPA_GR + 29] = 0x074, [UNW_HPPA_GR + 30] = 0x078, [UNW_HPPA_GR + 31] = 0x07c, [UNW_HPPA_FR + 0] = 0x080, [UNW_HPPA_FR + 1] = 0x088, [UNW_HPPA_FR + 2] = 0x090, [UNW_HPPA_FR + 3] = 0x098, [UNW_HPPA_FR + 4] = 0x0a0, [UNW_HPPA_FR + 5] = 0x0a8, [UNW_HPPA_FR + 6] = 0x0b0, [UNW_HPPA_FR + 7] = 0x0b8, [UNW_HPPA_FR + 8] = 0x0c0, [UNW_HPPA_FR + 9] = 0x0c8, [UNW_HPPA_FR + 10] = 0x0d0, [UNW_HPPA_FR + 11] = 0x0d8, [UNW_HPPA_FR + 12] = 0x0e0, [UNW_HPPA_FR + 13] = 0x0e8, [UNW_HPPA_FR + 14] = 0x0f0, [UNW_HPPA_FR + 15] = 0x0f8, [UNW_HPPA_FR + 16] = 0x100, [UNW_HPPA_FR + 17] = 0x108, [UNW_HPPA_FR + 18] = 0x110, [UNW_HPPA_FR + 19] = 0x118, [UNW_HPPA_FR + 20] = 0x120, [UNW_HPPA_FR + 21] = 0x128, [UNW_HPPA_FR + 22] = 0x130, [UNW_HPPA_FR + 23] = 0x138, [UNW_HPPA_FR + 24] = 0x140, [UNW_HPPA_FR + 25] = 0x148, [UNW_HPPA_FR + 26] = 0x150, [UNW_HPPA_FR + 27] = 0x158, [UNW_HPPA_FR + 28] = 0x160, [UNW_HPPA_FR + 29] = 0x168, [UNW_HPPA_FR + 30] = 0x170, [UNW_HPPA_FR + 31] = 0x178, [UNW_HPPA_IP] = 0x1a8 /* IAOQ[0] */ #elif defined(UNW_TARGET_X86) #if defined __FreeBSD__ #define UNW_R_OFF(R, r) \ [UNW_X86_##R] = offsetof(gregset_t, r_##r), UNW_R_OFF(EAX, eax) UNW_R_OFF(EDX, edx) UNW_R_OFF(ECX, ecx) UNW_R_OFF(EBX, ebx) UNW_R_OFF(ESI, esi) UNW_R_OFF(EDI, edi) UNW_R_OFF(EBP, ebp) UNW_R_OFF(ESP, esp) UNW_R_OFF(EIP, eip) // UNW_R_OFF(CS, cs) // UNW_R_OFF(EFLAGS, eflags) // UNW_R_OFF(SS, ss) #elif defined __linux__ [UNW_X86_EAX] = 0x18, [UNW_X86_EBX] = 0x00, [UNW_X86_ECX] = 0x04, [UNW_X86_EDX] = 0x08, [UNW_X86_ESI] = 0x0c, [UNW_X86_EDI] = 0x10, [UNW_X86_EBP] = 0x14, [UNW_X86_EIP] = 0x30, [UNW_X86_ESP] = 0x3c /* CS = 0x34, */ /* DS = 0x1c, */ /* ES = 0x20, */ /* FS = 0x24, */ /* GS = 0x28, */ /* ORIG_EAX = 0x2c, */ /* EFLAGS = 0x38, */ /* SS = 0x40 */ #else #error Port me #endif #elif defined(UNW_TARGET_X86_64) #if defined __FreeBSD__ #define UNW_R_OFF(R, r) \ [UNW_X86_64_##R] = offsetof(gregset_t, r_##r), UNW_R_OFF(RAX, rax) UNW_R_OFF(RDX, rdx) UNW_R_OFF(RCX, rcx) UNW_R_OFF(RBX, rbx) UNW_R_OFF(RSI, rsi) UNW_R_OFF(RDI, rdi) UNW_R_OFF(RBP, rbp) UNW_R_OFF(RSP, rsp) UNW_R_OFF(R8, r8) UNW_R_OFF(R9, r9) UNW_R_OFF(R10, r10) UNW_R_OFF(R11, r11) UNW_R_OFF(R12, r12) UNW_R_OFF(R13, r13) UNW_R_OFF(R14, r14) UNW_R_OFF(R15, r15) UNW_R_OFF(RIP, rip) // UNW_R_OFF(CS, cs) // UNW_R_OFF(EFLAGS, rflags) // UNW_R_OFF(SS, ss) #undef UNW_R_OFF #elif defined __linux__ [UNW_X86_64_RAX] = 0x50, [UNW_X86_64_RDX] = 0x60, [UNW_X86_64_RCX] = 0x58, [UNW_X86_64_RBX] = 0x28, [UNW_X86_64_RSI] = 0x68, [UNW_X86_64_RDI] = 0x70, [UNW_X86_64_RBP] = 0x20, [UNW_X86_64_RSP] = 0x98, [UNW_X86_64_R8] = 0x48, [UNW_X86_64_R9] = 0x40, [UNW_X86_64_R10] = 0x38, [UNW_X86_64_R11] = 0x30, [UNW_X86_64_R12] = 0x18, [UNW_X86_64_R13] = 0x10, [UNW_X86_64_R14] = 0x08, [UNW_X86_64_R15] = 0x00, [UNW_X86_64_RIP] = 0x80 // [UNW_X86_64_CS] = 0x88, // [UNW_X86_64_EFLAGS] = 0x90, // [UNW_X86_64_RSP] = 0x98, // [UNW_X86_64_SS] = 0xa0 #else #error Port me #endif #elif defined(UNW_TARGET_PPC32) || defined(UNW_TARGET_PPC64) #define UNW_REG_SLOT_SIZE sizeof(unsigned long) #define UNW_PPC_R(v) ((v) * UNW_REG_SLOT_SIZE) #define UNW_PPC_PT(p) UNW_PPC_R(PT_##p) #define UNW_FP_OFF(b, i) \ [UNW_PPC##b##_F##i] = UNW_PPC_R(PT_FPR0 + i * 8/UNW_REG_SLOT_SIZE) #define UNW_R_OFF(b, i) \ [UNW_PPC##b##_R##i] = UNW_PPC_R(PT_R##i) #define UNW_PPC_REGS(b) \ UNW_R_OFF(b, 0), \ UNW_R_OFF(b, 1), \ UNW_R_OFF(b, 2), \ UNW_R_OFF(b, 3), \ UNW_R_OFF(b, 4), \ UNW_R_OFF(b, 5), \ UNW_R_OFF(b, 6), \ UNW_R_OFF(b, 7), \ UNW_R_OFF(b, 8), \ UNW_R_OFF(b, 9), \ UNW_R_OFF(b, 10), \ UNW_R_OFF(b, 11), \ UNW_R_OFF(b, 12), \ UNW_R_OFF(b, 13), \ UNW_R_OFF(b, 14), \ UNW_R_OFF(b, 15), \ UNW_R_OFF(b, 16), \ UNW_R_OFF(b, 17), \ UNW_R_OFF(b, 18), \ UNW_R_OFF(b, 19), \ UNW_R_OFF(b, 20), \ UNW_R_OFF(b, 21), \ UNW_R_OFF(b, 22), \ UNW_R_OFF(b, 23), \ UNW_R_OFF(b, 24), \ UNW_R_OFF(b, 25), \ UNW_R_OFF(b, 26), \ UNW_R_OFF(b, 27), \ UNW_R_OFF(b, 28), \ UNW_R_OFF(b, 29), \ UNW_R_OFF(b, 30), \ UNW_R_OFF(b, 31), \ \ [UNW_PPC##b##_CTR] = UNW_PPC_PT(CTR), \ [UNW_PPC##b##_XER] = UNW_PPC_PT(XER), \ [UNW_PPC##b##_LR] = UNW_PPC_PT(LNK), \ \ UNW_FP_OFF(b, 0), \ UNW_FP_OFF(b, 1), \ UNW_FP_OFF(b, 2), \ UNW_FP_OFF(b, 3), \ UNW_FP_OFF(b, 4), \ UNW_FP_OFF(b, 5), \ UNW_FP_OFF(b, 6), \ UNW_FP_OFF(b, 7), \ UNW_FP_OFF(b, 8), \ UNW_FP_OFF(b, 9), \ UNW_FP_OFF(b, 10), \ UNW_FP_OFF(b, 11), \ UNW_FP_OFF(b, 12), \ UNW_FP_OFF(b, 13), \ UNW_FP_OFF(b, 14), \ UNW_FP_OFF(b, 15), \ UNW_FP_OFF(b, 16), \ UNW_FP_OFF(b, 17), \ UNW_FP_OFF(b, 18), \ UNW_FP_OFF(b, 19), \ UNW_FP_OFF(b, 20), \ UNW_FP_OFF(b, 21), \ UNW_FP_OFF(b, 22), \ UNW_FP_OFF(b, 23), \ UNW_FP_OFF(b, 24), \ UNW_FP_OFF(b, 25), \ UNW_FP_OFF(b, 26), \ UNW_FP_OFF(b, 27), \ UNW_FP_OFF(b, 28), \ UNW_FP_OFF(b, 29), \ UNW_FP_OFF(b, 30), \ UNW_FP_OFF(b, 31) #define UNW_PPC32_REGS \ [UNW_PPC32_FPSCR] = UNW_PPC_PT(FPSCR), \ [UNW_PPC32_CCR] = UNW_PPC_PT(CCR) #define UNW_VR_OFF(i) \ [UNW_PPC64_V##i] = UNW_PPC_R(PT_VR0 + i * 2) #define UNW_PPC64_REGS \ [UNW_PPC64_NIP] = UNW_PPC_PT(NIP), \ [UNW_PPC64_FRAME_POINTER] = -1, \ [UNW_PPC64_ARG_POINTER] = -1, \ [UNW_PPC64_CR0] = -1, \ [UNW_PPC64_CR1] = -1, \ [UNW_PPC64_CR2] = -1, \ [UNW_PPC64_CR3] = -1, \ [UNW_PPC64_CR4] = -1, \ [UNW_PPC64_CR5] = -1, \ [UNW_PPC64_CR6] = -1, \ [UNW_PPC64_CR7] = -1, \ [UNW_PPC64_VRSAVE] = UNW_PPC_PT(VRSAVE), \ [UNW_PPC64_VSCR] = UNW_PPC_PT(VSCR), \ [UNW_PPC64_SPE_ACC] = -1, \ [UNW_PPC64_SPEFSCR] = -1, \ UNW_VR_OFF(0), \ UNW_VR_OFF(1), \ UNW_VR_OFF(2), \ UNW_VR_OFF(3), \ UNW_VR_OFF(4), \ UNW_VR_OFF(5), \ UNW_VR_OFF(6), \ UNW_VR_OFF(7), \ UNW_VR_OFF(8), \ UNW_VR_OFF(9), \ UNW_VR_OFF(10), \ UNW_VR_OFF(11), \ UNW_VR_OFF(12), \ UNW_VR_OFF(13), \ UNW_VR_OFF(14), \ UNW_VR_OFF(15), \ UNW_VR_OFF(16), \ UNW_VR_OFF(17), \ UNW_VR_OFF(18), \ UNW_VR_OFF(19), \ UNW_VR_OFF(20), \ UNW_VR_OFF(21), \ UNW_VR_OFF(22), \ UNW_VR_OFF(23), \ UNW_VR_OFF(24), \ UNW_VR_OFF(25), \ UNW_VR_OFF(26), \ UNW_VR_OFF(27), \ UNW_VR_OFF(28), \ UNW_VR_OFF(29), \ UNW_VR_OFF(30), \ UNW_VR_OFF(31) #if defined(UNW_TARGET_PPC32) UNW_PPC_REGS(32), UNW_PPC32_REGS, #else UNW_PPC_REGS(64), UNW_PPC64_REGS, #endif #elif defined(UNW_TARGET_ARM) #if defined(__linux__) || defined(__FreeBSD__) [UNW_ARM_R0] = 0x00, [UNW_ARM_R1] = 0x04, [UNW_ARM_R2] = 0x08, [UNW_ARM_R3] = 0x0c, [UNW_ARM_R4] = 0x10, [UNW_ARM_R5] = 0x14, [UNW_ARM_R6] = 0x18, [UNW_ARM_R7] = 0x1c, [UNW_ARM_R8] = 0x20, [UNW_ARM_R9] = 0x24, [UNW_ARM_R10] = 0x28, [UNW_ARM_R11] = 0x2c, [UNW_ARM_R12] = 0x30, [UNW_ARM_R13] = 0x34, [UNW_ARM_R14] = 0x38, [UNW_ARM_R15] = 0x3c, #else #error Fix me #endif #elif defined(UNW_TARGET_MIPS) [UNW_MIPS_R0] = 0, [UNW_MIPS_R1] = 1, [UNW_MIPS_R2] = 2, [UNW_MIPS_R3] = 3, [UNW_MIPS_R4] = 4, [UNW_MIPS_R5] = 5, [UNW_MIPS_R6] = 6, [UNW_MIPS_R7] = 7, [UNW_MIPS_R8] = 8, [UNW_MIPS_R9] = 9, [UNW_MIPS_R10] = 10, [UNW_MIPS_R11] = 11, [UNW_MIPS_R12] = 12, [UNW_MIPS_R13] = 13, [UNW_MIPS_R14] = 14, [UNW_MIPS_R15] = 15, [UNW_MIPS_R16] = 16, [UNW_MIPS_R17] = 17, [UNW_MIPS_R18] = 18, [UNW_MIPS_R19] = 19, [UNW_MIPS_R20] = 20, [UNW_MIPS_R21] = 21, [UNW_MIPS_R22] = 22, [UNW_MIPS_R23] = 23, [UNW_MIPS_R24] = 24, [UNW_MIPS_R25] = 25, [UNW_MIPS_R26] = 26, [UNW_MIPS_R27] = 27, [UNW_MIPS_R28] = 28, [UNW_MIPS_R29] = 29, [UNW_MIPS_R30] = 30, [UNW_MIPS_R31] = 31, [UNW_MIPS_PC] = 64, #elif defined(UNW_TARGET_SH) #elif defined(UNW_TARGET_AARCH64) [UNW_AARCH64_X0] = 0x00, [UNW_AARCH64_X1] = 0x08, [UNW_AARCH64_X2] = 0x10, [UNW_AARCH64_X3] = 0x18, [UNW_AARCH64_X4] = 0x20, [UNW_AARCH64_X5] = 0x28, [UNW_AARCH64_X6] = 0x30, [UNW_AARCH64_X7] = 0x38, [UNW_AARCH64_X8] = 0x40, [UNW_AARCH64_X9] = 0x48, [UNW_AARCH64_X10] = 0x50, [UNW_AARCH64_X11] = 0x58, [UNW_AARCH64_X12] = 0x60, [UNW_AARCH64_X13] = 0x68, [UNW_AARCH64_X14] = 0x70, [UNW_AARCH64_X15] = 0x78, [UNW_AARCH64_X16] = 0x80, [UNW_AARCH64_X17] = 0x88, [UNW_AARCH64_X18] = 0x90, [UNW_AARCH64_X19] = 0x98, [UNW_AARCH64_X20] = 0xa0, [UNW_AARCH64_X21] = 0xa8, [UNW_AARCH64_X22] = 0xb0, [UNW_AARCH64_X23] = 0xb8, [UNW_AARCH64_X24] = 0xc0, [UNW_AARCH64_X25] = 0xc8, [UNW_AARCH64_X26] = 0xd0, [UNW_AARCH64_X27] = 0xd8, [UNW_AARCH64_X28] = 0xe0, [UNW_AARCH64_X29] = 0xe8, [UNW_AARCH64_X30] = 0xf0, [UNW_AARCH64_SP] = 0xf8, [UNW_AARCH64_PC] = 0x100, [UNW_AARCH64_PSTATE] = 0x108 #elif defined(UNW_TARGET_TILEGX) [UNW_TILEGX_R0] = 0x00, [UNW_TILEGX_R1] = 0x08, [UNW_TILEGX_R2] = 0x10, [UNW_TILEGX_R3] = 0x08, [UNW_TILEGX_R4] = 0x20, [UNW_TILEGX_R5] = 0x28, [UNW_TILEGX_R6] = 0x30, [UNW_TILEGX_R7] = 0x38, [UNW_TILEGX_R8] = 0x40, [UNW_TILEGX_R9] = 0x48, [UNW_TILEGX_R10] = 0x50, [UNW_TILEGX_R11] = 0x58, [UNW_TILEGX_R12] = 0x60, [UNW_TILEGX_R13] = 0x68, [UNW_TILEGX_R14] = 0x70, [UNW_TILEGX_R15] = 0x78, [UNW_TILEGX_R16] = 0x80, [UNW_TILEGX_R17] = 0x88, [UNW_TILEGX_R18] = 0x90, [UNW_TILEGX_R19] = 0x98, [UNW_TILEGX_R20] = 0xa0, [UNW_TILEGX_R21] = 0xa8, [UNW_TILEGX_R22] = 0xb0, [UNW_TILEGX_R23] = 0xb8, [UNW_TILEGX_R24] = 0xc0, [UNW_TILEGX_R25] = 0xc8, [UNW_TILEGX_R26] = 0xd0, [UNW_TILEGX_R27] = 0xd8, [UNW_TILEGX_R28] = 0xe0, [UNW_TILEGX_R29] = 0xe8, [UNW_TILEGX_R30] = 0xf0, [UNW_TILEGX_R31] = 0xf8, [UNW_TILEGX_R32] = 0x100, [UNW_TILEGX_R33] = 0x108, [UNW_TILEGX_R34] = 0x110, [UNW_TILEGX_R35] = 0x118, [UNW_TILEGX_R36] = 0x120, [UNW_TILEGX_R37] = 0x128, [UNW_TILEGX_R38] = 0x130, [UNW_TILEGX_R39] = 0x138, [UNW_TILEGX_R40] = 0x140, [UNW_TILEGX_R41] = 0x148, [UNW_TILEGX_R42] = 0x150, [UNW_TILEGX_R43] = 0x158, [UNW_TILEGX_R44] = 0x160, [UNW_TILEGX_R45] = 0x168, [UNW_TILEGX_R46] = 0x170, [UNW_TILEGX_R47] = 0x178, [UNW_TILEGX_R48] = 0x180, [UNW_TILEGX_R49] = 0x188, [UNW_TILEGX_R50] = 0x190, [UNW_TILEGX_R51] = 0x198, [UNW_TILEGX_R52] = 0x1a0, [UNW_TILEGX_R53] = 0x1a8, [UNW_TILEGX_R54] = 0x1b0, [UNW_TILEGX_R55] = 0x1b8, [UNW_TILEGX_PC] = 0x1a0 #else # error Fix me. #endif }; libunwind-1.3.2/src/ptrace/_UPT_get_proc_name.c0000644000175000017500000000324213406556425016346 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" int _UPT_get_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { struct UPT_info *ui = arg; #if ELF_CLASS == ELFCLASS64 return _Uelf64_get_proc_name (as, ui->pid, ip, buf, buf_len, offp); #elif ELF_CLASS == ELFCLASS32 return _Uelf32_get_proc_name (as, ui->pid, ip, buf, buf_len, offp); #else return -UNW_ENOINFO; #endif } libunwind-1.3.2/src/ptrace/_UPT_resume.c0000644000175000017500000000304113406556425015041 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" int _UPT_resume (unw_addr_space_t as, unw_cursor_t *c, void *arg) { struct UPT_info *ui = arg; #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #elif HAVE_DECL_PTRACE_CONT return ptrace (PTRACE_CONT, ui->pid, 0, 0); #elif HAVE_DECL_PT_CONTINUE return ptrace(PT_CONTINUE, ui->pid, (caddr_t)1, 0); #endif } libunwind-1.3.2/src/ptrace/_UPT_get_dyn_info_list_addr.c0000644000175000017500000000624513640667603020244 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" #if UNW_TARGET_IA64 && defined(__linux) # include "elf64.h" # include "os-linux.h" static inline int get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, int *countp) { unsigned long lo, hi, off; struct UPT_info *ui = arg; struct map_iterator mi; char path[PATH_MAX]; unw_word_t res; int count = 0; maps_init (&mi, ui->pid); while (maps_next (&mi, &lo, &hi, &off)) { if (off) continue; invalidate_edi(&ui->edi); if (elf_map_image (&ui->edi.ei, path) < 0) /* ignore unmappable stuff like "/SYSV00001b58 (deleted)" */ continue; Debug (16, "checking object %s\n", path); if (tdep_find_unwind_table (&ui->edi, as, path, lo, off, 0) > 0) { res = _Uia64_find_dyn_list (as, &ui->edi.di_cache, arg); if (res && count++ == 0) { Debug (12, "dyn_info_list_addr = 0x%lx\n", (long) res); *dil_addr = res; } } } maps_close (&mi); *countp = count; return 0; } #else static inline int get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, int *countp) { # warning Implement get_list_addr(), please. *countp = 0; return 0; } #endif int _UPT_get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg) { int count, ret; Debug (12, "looking for dyn_info list\n"); if ((ret = get_list_addr (as, dil_addr, arg, &count)) < 0) return ret; /* If multiple dynamic-info list addresses are found, we would have to determine which was is the one actually in use (since the dynamic name resolution algorithm will pick one "winner"). Perhaps we'd have to track them all until we find one that's non-empty. Hopefully, this case simply will never arise, since only libunwind defines the dynamic info list head. */ assert (count <= 1); return (count > 0) ? 0 : -UNW_ENOINFO; } libunwind-1.3.2/src/ptrace/_UPT_elf.c0000644000175000017500000000035213406556425014311 00000000000000/* We need to get a separate copy of the ELF-code into libunwind-ptrace since it cannot (and must not) have any ELF dependencies on libunwind. */ #include "libunwind_i.h" /* get ELFCLASS defined */ #include "../elfxx.c" libunwind-1.3.2/src/ptrace/_UPT_internal.h0000644000175000017500000000345513406556425015373 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _UPT_internal_h #define _UPT_internal_h #ifdef HAVE_CONFIG_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_PTRACE_H #include #endif #ifdef HAVE_SYS_PROCFS_H #include #endif #include #include #include #include #include #include "libunwind_i.h" struct UPT_info { pid_t pid; /* the process-id of the child we're unwinding */ struct elf_dyn_info edi; }; extern const int _UPT_reg_offset[UNW_REG_LAST + 1]; #endif /* _UPT_internal_h */ libunwind-1.3.2/src/ptrace/_UPT_access_reg.c0000644000175000017500000002260113406755365015646 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UPT_internal.h" #if UNW_TARGET_IA64 # include # ifdef HAVE_ASM_PTRACE_OFFSETS_H # include # endif # include "tdep-ia64/rse.h" #endif #if HAVE_DECL_PTRACE_SETREGSET #include int _UPT_access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { struct UPT_info *ui = arg; pid_t pid = ui->pid; gregset_t regs; char *r; struct iovec loc; #if UNW_DEBUG Debug(16, "using getregset: reg: %s [%u], val: %lx, write: %u\n", unw_regname(reg), (unsigned) reg, (long) val, write); if (write) Debug (16, "%s [%u] <- %lx\n", unw_regname (reg), (unsigned) reg, (long) *val); #endif if ((unsigned) reg >= ARRAY_SIZE (_UPT_reg_offset)) { errno = EINVAL; goto badreg; } loc.iov_base = ®s; loc.iov_len = sizeof(regs); r = (char *)®s + _UPT_reg_offset[reg]; if (ptrace (PTRACE_GETREGSET, pid, NT_PRSTATUS, &loc) == -1) goto badreg; if (write) { memcpy(r, val, sizeof(unw_word_t)); if (ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &loc) == -1) goto badreg; } else memcpy(val, r, sizeof(unw_word_t)); return 0; badreg: Debug (1, "bad register %s [%u] (error: %s)\n", unw_regname(reg), reg, strerror (errno)); return -UNW_EBADREG; } #elif HAVE_DECL_PTRACE_POKEUSER || HAVE_TTRACE int _UPT_access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { struct UPT_info *ui = arg; pid_t pid = ui->pid; #if UNW_DEBUG Debug(16, "using pokeuser: reg: %s [%u], val: %lx, write: %d\n", unw_regname(reg), (unsigned) reg, (long) val, write); if (write) Debug (16, "%s <- %lx\n", unw_regname (reg), (long) *val); #endif #if UNW_TARGET_IA64 if ((unsigned) reg - UNW_IA64_NAT < 32) { unsigned long nat_bits, mask; /* The Linux ptrace represents the statc NaT bits as a single word. */ mask = ((unw_word_t) 1) << (reg - UNW_IA64_NAT); errno = 0; #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else nat_bits = ptrace (PTRACE_PEEKUSER, pid, PT_NAT_BITS, 0); if (errno) goto badreg; #endif if (write) { if (*val) nat_bits |= mask; else nat_bits &= ~mask; #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ptrace (PTRACE_POKEUSER, pid, PT_NAT_BITS, nat_bits); if (errno) goto badreg; #endif } goto out; } else switch (reg) { case UNW_IA64_GR + 0: if (write) goto badreg; *val = 0; return 0; case UNW_REG_IP: { unsigned long ip, psr; /* distribute bundle-addr. & slot-number across PT_IIP & PT_IPSR. */ #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; psr = ptrace (PTRACE_PEEKUSER, pid, PT_CR_IPSR, 0); if (errno) goto badreg; #endif if (write) { ip = *val & ~0xfUL; psr = (psr & ~0x3UL << 41) | (*val & 0x3); #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ptrace (PTRACE_POKEUSER, pid, PT_CR_IIP, ip); ptrace (PTRACE_POKEUSER, pid, PT_CR_IPSR, psr); if (errno) goto badreg; #endif } else { #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ip = ptrace (PTRACE_PEEKUSER, pid, PT_CR_IIP, 0); if (errno) goto badreg; #endif *val = ip + ((psr >> 41) & 0x3); } goto out; } case UNW_IA64_AR_BSPSTORE: reg = UNW_IA64_AR_BSP; break; case UNW_IA64_AR_BSP: case UNW_IA64_BSP: { unsigned long sof, cfm, bsp; #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else /* Account for the fact that ptrace() expects bsp to point _after_ the current register frame. */ errno = 0; cfm = ptrace (PTRACE_PEEKUSER, pid, PT_CFM, 0); if (errno) goto badreg; #endif sof = (cfm & 0x7f); if (write) { bsp = rse_skip_regs (*val, sof); #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ptrace (PTRACE_POKEUSER, pid, PT_AR_BSP, bsp); if (errno) goto badreg; #endif } else { #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; bsp = ptrace (PTRACE_PEEKUSER, pid, PT_AR_BSP, 0); if (errno) goto badreg; #endif *val = rse_skip_regs (bsp, -sof); } goto out; } case UNW_IA64_CFM: /* If we change CFM, we need to adjust ptrace's notion of bsp accordingly, so that the real bsp remains unchanged. */ if (write) { unsigned long new_sof, old_sof, cfm, bsp; #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; bsp = ptrace (PTRACE_PEEKUSER, pid, PT_AR_BSP, 0); cfm = ptrace (PTRACE_PEEKUSER, pid, PT_CFM, 0); #endif if (errno) goto badreg; old_sof = (cfm & 0x7f); new_sof = (*val & 0x7f); if (old_sof != new_sof) { bsp = rse_skip_regs (bsp, -old_sof + new_sof); #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ptrace (PTRACE_POKEUSER, pid, PT_AR_BSP, 0); if (errno) goto badreg; #endif } #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; ptrace (PTRACE_POKEUSER, pid, PT_CFM, *val); if (errno) goto badreg; #endif goto out; } break; } #endif /* End of IA64 */ if ((unsigned) reg >= ARRAY_SIZE (_UPT_reg_offset)) { #if UNW_DEBUG Debug(2, "register out of range: >= %zu / %zu\n", sizeof(_UPT_reg_offset), sizeof(_UPT_reg_offset[0])); #endif errno = EINVAL; goto badreg; } #ifdef HAVE_TTRACE # warning No support for ttrace() yet. #else errno = 0; if (write) ptrace (PTRACE_POKEUSER, pid, _UPT_reg_offset[reg], *val); else { #if UNW_DEBUG Debug(16, "ptrace PEEKUSER pid: %lu , reg: %lu , offs: %lu\n", (unsigned long)pid, (unsigned long)reg, (unsigned long)_UPT_reg_offset[reg]); #endif *val = ptrace (PTRACE_PEEKUSER, pid, _UPT_reg_offset[reg], 0); } if (errno) { #if UNW_DEBUG Debug(2, "ptrace failure\n"); #endif goto badreg; } #endif #ifdef UNW_TARGET_IA64 out: #endif #if UNW_DEBUG if (!write) Debug (16, "%s[%u] -> %lx\n", unw_regname (reg), (unsigned) reg, (long) *val); #endif return 0; badreg: Debug (1, "bad register %s [%u] (error: %s)\n", unw_regname(reg), reg, strerror (errno)); return -UNW_EBADREG; } #elif HAVE_DECL_PT_GETREGS int _UPT_access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { struct UPT_info *ui = arg; pid_t pid = ui->pid; gregset_t regs; char *r; #if UNW_DEBUG Debug(16, "using getregs: reg: %s [%u], val: %lx, write: %u\n", unw_regname(reg), (unsigned) reg, (long) val, write); if (write) Debug (16, "%s [%u] <- %lx\n", unw_regname (reg), (unsigned) reg, (long) *val); #endif if ((unsigned) reg >= ARRAY_SIZE (_UPT_reg_offset)) { errno = EINVAL; goto badreg; } r = (char *)®s + _UPT_reg_offset[reg]; if (ptrace(PT_GETREGS, pid, (caddr_t)®s, 0) == -1) goto badreg; if (write) { memcpy(r, val, sizeof(unw_word_t)); if (ptrace(PT_SETREGS, pid, (caddr_t)®s, 0) == -1) goto badreg; } else memcpy(val, r, sizeof(unw_word_t)); return 0; badreg: Debug (1, "bad register %s [%u] (error: %s)\n", unw_regname(reg), reg, strerror (errno)); return -UNW_EBADREG; } #else #error Port me #endif libunwind-1.3.2/src/ptrace/libunwind-ptrace.pc.in0000644000175000017500000000040313406556425016705 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libunwind-ptrace Description: libunwind ptrace library Version: @VERSION@ Requires: libunwind-generic libunwind Libs: -L${libdir} -lunwind-ptrace Cflags: -I${includedir} libunwind-1.3.2/src/ptrace/_UPT_find_proc_info.c0000644000175000017500000001156013406755365016530 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "_UPT_internal.h" static int get_unwind_info (struct elf_dyn_info *edi, pid_t pid, unw_addr_space_t as, unw_word_t ip) { unsigned long segbase, mapoff; char path[PATH_MAX]; #if UNW_TARGET_IA64 && defined(__linux) if (!edi->ktab.start_ip && _Uia64_get_kernel_table (&edi->ktab) < 0) return -UNW_ENOINFO; if (edi->ktab.format != -1 && ip >= edi->ktab.start_ip && ip < edi->ktab.end_ip) return 0; #endif if ((edi->di_cache.format != -1 && ip >= edi->di_cache.start_ip && ip < edi->di_cache.end_ip) #if UNW_TARGET_ARM || (edi->di_debug.format != -1 && ip >= edi->di_arm.start_ip && ip < edi->di_arm.end_ip) #endif || (edi->di_debug.format != -1 && ip >= edi->di_debug.start_ip && ip < edi->di_debug.end_ip)) return 0; invalidate_edi(edi); if (tdep_get_elf_image (&edi->ei, pid, ip, &segbase, &mapoff, path, sizeof(path)) < 0) return -UNW_ENOINFO; /* Here, SEGBASE is the starting-address of the (mmap'ped) segment which covers the IP we're looking for. */ if (tdep_find_unwind_table (edi, as, path, segbase, mapoff, ip) < 0) return -UNW_ENOINFO; /* This can happen in corner cases where dynamically generated code falls into the same page that contains the data-segment and the page-offset of the code is within the first page of the executable. */ if (edi->di_cache.format != -1 && (ip < edi->di_cache.start_ip || ip >= edi->di_cache.end_ip)) edi->di_cache.format = -1; if (edi->di_debug.format != -1 && (ip < edi->di_debug.start_ip || ip >= edi->di_debug.end_ip)) edi->di_debug.format = -1; if (edi->di_cache.format == -1 #if UNW_TARGET_ARM && edi->di_arm.format == -1 #endif && edi->di_debug.format == -1) return -UNW_ENOINFO; return 0; } int _UPT_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { struct UPT_info *ui = arg; int ret = -UNW_ENOINFO; if (get_unwind_info (&ui->edi, ui->pid, as, ip) < 0) return -UNW_ENOINFO; #if UNW_TARGET_IA64 if (ui->edi.ktab.format != -1) { /* The kernel unwind table resides in local memory, so we have to use the local address space to search it. Since _UPT_put_unwind_info() has no easy way of detecting this case, we simply make a copy of the unwind-info, so _UPT_put_unwind_info() can always free() the unwind-info without ill effects. */ ret = tdep_search_unwind_table (unw_local_addr_space, ip, &ui->edi.ktab, pi, need_unwind_info, arg); if (ret >= 0) { if (!need_unwind_info) pi->unwind_info = NULL; else { void *mem = malloc (pi->unwind_info_size); if (!mem) return -UNW_ENOMEM; memcpy (mem, pi->unwind_info, pi->unwind_info_size); pi->unwind_info = mem; } } } #endif if (ret == -UNW_ENOINFO && ui->edi.di_cache.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_cache, pi, need_unwind_info, arg); if (ret == -UNW_ENOINFO && ui->edi.di_debug.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_debug, pi, need_unwind_info, arg); #if UNW_TARGET_ARM if (ret == -UNW_ENOINFO && ui->edi.di_arm.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_arm, pi, need_unwind_info, arg); #endif return ret; } libunwind-1.3.2/src/ptrace/_UPT_create.c0000644000175000017500000000304613406556425015011 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "_UPT_internal.h" void * _UPT_create (pid_t pid) { struct UPT_info *ui = malloc (sizeof (struct UPT_info)); if (!ui) return NULL; memset (ui, 0, sizeof (*ui)); ui->pid = pid; ui->edi.di_cache.format = -1; ui->edi.di_debug.format = -1; #if UNW_TARGET_IA64 ui->edi.ktab.format = -1; #endif return ui; } libunwind-1.3.2/src/elf64.h0000644000175000017500000000020613406556425012321 00000000000000#ifndef elf64_h #define elf64_h #ifndef ELF_CLASS #define ELF_CLASS ELFCLASS64 #endif #include "elfxx.h" #endif /* elf64_h */ libunwind-1.3.2/src/coredump/0000755000175000017500000000000013640673450013126 500000000000000libunwind-1.3.2/src/coredump/_UCD_accessors.c0000644000175000017500000000311613406755365016040 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_internal.h" unw_accessors_t _UCD_accessors = { .find_proc_info = _UCD_find_proc_info, .put_unwind_info = _UCD_put_unwind_info, .get_dyn_info_list_addr = _UCD_get_dyn_info_list_addr, .access_mem = _UCD_access_mem, .access_reg = _UCD_access_reg, .access_fpreg = _UCD_access_fpreg, .resume = _UCD_resume, .get_proc_name = _UCD_get_proc_name }; libunwind-1.3.2/src/coredump/_UCD_destroy.c0000644000175000017500000000313013406755365015540 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_internal.h" void _UCD_destroy (struct UCD_info *ui) { if (!ui) return; if (ui->coredump_fd >= 0) close(ui->coredump_fd); free(ui->coredump_filename); invalidate_edi (&ui->edi); unsigned i; for (i = 0; i < ui->phdrs_count; i++) { struct coredump_phdr *phdr = &ui->phdrs[i]; free(phdr->backing_filename); if (phdr->backing_fd >= 0) close(phdr->backing_fd); } free(ui->phdrs); free(ui->note_phdr); free(ui->threads); free(ui); } libunwind-1.3.2/src/coredump/_UCD_access_mem.c0000644000175000017500000000575413406556425016160 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" int _UCD_access_mem(unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug(0, "write is not supported\n"); return -UNW_EINVAL; } struct UCD_info *ui = arg; unw_word_t addr_last = addr + sizeof(*val)-1; coredump_phdr_t *phdr; unsigned i; for (i = 0; i < ui->phdrs_count; i++) { phdr = &ui->phdrs[i]; if (phdr->p_vaddr <= addr && addr_last < phdr->p_vaddr + phdr->p_memsz) { goto found; } } Debug(1, "addr 0x%llx is unmapped\n", (unsigned long long)addr); return -UNW_EINVAL; found: ; const char *filename UNUSED; off_t fileofs; int fd; if (addr_last >= phdr->p_vaddr + phdr->p_filesz) { /* This part of mapped address space is not present in coredump file */ /* Do we have it in the backup file? */ if (phdr->backing_fd < 0) { Debug(1, "access to not-present data in phdr[%d]: addr:0x%llx\n", i, (unsigned long long)addr ); return -UNW_EINVAL; } filename = phdr->backing_filename; fileofs = addr - phdr->p_vaddr; fd = phdr->backing_fd; goto read; } filename = ui->coredump_filename; fileofs = phdr->p_offset + (addr - phdr->p_vaddr); fd = ui->coredump_fd; read: if (lseek(fd, fileofs, SEEK_SET) != fileofs) goto read_error; if (read(fd, val, sizeof(*val)) != sizeof(*val)) goto read_error; Debug(1, "0x%llx <- [addr:0x%llx fileofs:0x%llx]\n", (unsigned long long)(*val), (unsigned long long)addr, (unsigned long long)fileofs ); return 0; read_error: Debug(1, "access out of file: addr:0x%llx fileofs:%llx file:'%s'\n", (unsigned long long)addr, (unsigned long long)fileofs, filename ); return -UNW_EINVAL; } libunwind-1.3.2/src/coredump/_UPT_access_fpreg.c0000644000175000017500000000254013406556425016530 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" int _UCD_access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { print_error (__func__); print_error (" not implemented\n"); return -UNW_EINVAL; } libunwind-1.3.2/src/coredump/libunwind-coredump.pc.in0000644000175000017500000000041113406556425017604 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libunwind-coredump Description: libunwind coredump library Version: @VERSION@ Requires: libunwind-generic libunwind Libs: -L${libdir} -lunwind-coredump Cflags: -I${includedir} libunwind-1.3.2/src/coredump/_UCD_lib.h0000644000175000017500000000333213406556425014622 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _UCD_lib_h #define _UCD_lib_h #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif libunwind-1.3.2/src/coredump/_UCD_access_reg_freebsd.c0000644000175000017500000000727113640667603017646 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" int _UCD_access_reg (unw_addr_space_t as, unw_regnum_t regnum, unw_word_t *valp, int write, void *arg) { if (write) { Debug(0, "write is not supported\n"); return -UNW_EINVAL; } struct UCD_info *ui = arg; #if defined(UNW_TARGET_X86) switch (regnum) { case UNW_X86_EAX: *valp = ui->prstatus->pr_reg.r_eax; break; case UNW_X86_EDX: *valp = ui->prstatus->pr_reg.r_edx; break; case UNW_X86_ECX: *valp = ui->prstatus->pr_reg.r_ecx; break; case UNW_X86_EBX: *valp = ui->prstatus->pr_reg.r_ebx; break; case UNW_X86_ESI: *valp = ui->prstatus->pr_reg.r_esi; break; case UNW_X86_EDI: *valp = ui->prstatus->pr_reg.r_edi; break; case UNW_X86_EBP: *valp = ui->prstatus->pr_reg.r_ebp; break; case UNW_X86_ESP: *valp = ui->prstatus->pr_reg.r_esp; break; case UNW_X86_EIP: *valp = ui->prstatus->pr_reg.r_eip; break; case UNW_X86_EFLAGS: *valp = ui->prstatus->pr_reg.r_eflags; break; case UNW_X86_TRAPNO: *valp = ui->prstatus->pr_reg.r_trapno; break; default: Debug(0, "bad regnum:%d\n", regnum); return -UNW_EINVAL; } #elif defined(UNW_TARGET_X86_64) switch (regnum) { case UNW_X86_64_RAX: *valp = ui->prstatus->pr_reg.r_rax; break; case UNW_X86_64_RDX: *valp = ui->prstatus->pr_reg.r_rdx; break; case UNW_X86_64_RCX: *valp = ui->prstatus->pr_reg.r_rcx; break; case UNW_X86_64_RBX: *valp = ui->prstatus->pr_reg.r_rbx; break; case UNW_X86_64_RSI: *valp = ui->prstatus->pr_reg.r_rsi; break; case UNW_X86_64_RDI: *valp = ui->prstatus->pr_reg.r_rdi; break; case UNW_X86_64_RBP: *valp = ui->prstatus->pr_reg.r_rbp; break; case UNW_X86_64_RSP: *valp = ui->prstatus->pr_reg.r_rsp; break; case UNW_X86_64_RIP: *valp = ui->prstatus->pr_reg.r_rip; break; default: Debug(0, "bad regnum:%d\n", regnum); return -UNW_EINVAL; } #elif defined(UNW_TARGET_ARM) if (regnum >= UNW_ARM_R0 && regnum <= UNW_ARM_R12) { *valp = ui->prstatus->pr_reg.r[regnum]; } else { switch (regnum) { case UNW_ARM_R13: *valp = ui->prstatus->pr_reg.r_sp; break; case UNW_ARM_R14: *valp = ui->prstatus->pr_reg.r_lr; break; case UNW_ARM_R15: *valp = ui->prstatus->pr_reg.r_pc; break; default: Debug(0, "bad regnum:%d\n", regnum); return -UNW_EINVAL; } } #else #error Port me #endif return 0; } libunwind-1.3.2/src/coredump/_UCD_create.c0000644000175000017500000003106213640667603015314 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif /* Endian detection */ #include #if defined(HAVE_BYTESWAP_H) #include #endif #if defined(HAVE_ENDIAN_H) # include #elif defined(HAVE_SYS_ENDIAN_H) # include #endif #if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN # define WE_ARE_BIG_ENDIAN 1 # define WE_ARE_LITTLE_ENDIAN 0 #elif defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN # define WE_ARE_BIG_ENDIAN 0 # define WE_ARE_LITTLE_ENDIAN 1 #elif defined(_BYTE_ORDER) && _BYTE_ORDER == _BIG_ENDIAN # define WE_ARE_BIG_ENDIAN 1 # define WE_ARE_LITTLE_ENDIAN 0 #elif defined(_BYTE_ORDER) && _BYTE_ORDER == _LITTLE_ENDIAN # define WE_ARE_BIG_ENDIAN 0 # define WE_ARE_LITTLE_ENDIAN 1 #elif defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN # define WE_ARE_BIG_ENDIAN 1 # define WE_ARE_LITTLE_ENDIAN 0 #elif defined(BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN # define WE_ARE_BIG_ENDIAN 0 # define WE_ARE_LITTLE_ENDIAN 1 #elif defined(__386__) # define WE_ARE_BIG_ENDIAN 0 # define WE_ARE_LITTLE_ENDIAN 1 #else # error "Can't determine endianness" #endif #include #include /* struct elf_prstatus */ #include "_UCD_lib.h" #include "_UCD_internal.h" #define NOTE_DATA(_hdr) STRUCT_MEMBER_P((_hdr), sizeof (Elf32_Nhdr) + UNW_ALIGN((_hdr)->n_namesz, 4)) #define NOTE_SIZE(_hdr) (sizeof (Elf32_Nhdr) + UNW_ALIGN((_hdr)->n_namesz, 4) + UNW_ALIGN((_hdr)->n_descsz, 4)) #define NOTE_NEXT(_hdr) STRUCT_MEMBER_P((_hdr), NOTE_SIZE(_hdr)) #define NOTE_FITS_IN(_hdr, _size) ((_size) >= sizeof (Elf32_Nhdr) && (_size) >= NOTE_SIZE (_hdr)) #define NOTE_FITS(_hdr, _end) NOTE_FITS_IN((_hdr), (unsigned long)((char *)(_end) - (char *)(_hdr))) struct UCD_info * _UCD_create(const char *filename) { union { Elf32_Ehdr h32; Elf64_Ehdr h64; } elf_header; #define elf_header32 elf_header.h32 #define elf_header64 elf_header.h64 bool _64bits; struct UCD_info *ui = memset(malloc(sizeof(*ui)), 0, sizeof(*ui)); ui->edi.di_cache.format = -1; ui->edi.di_debug.format = -1; #if UNW_TARGET_IA64 ui->edi.ktab.format = -1; #endif int fd = ui->coredump_fd = open(filename, O_RDONLY); if (fd < 0) goto err; ui->coredump_filename = strdup(filename); /* No sane ELF32 file is going to be smaller then ELF64 _header_, * so let's just read 64-bit sized one. */ if (read(fd, &elf_header64, sizeof(elf_header64)) != sizeof(elf_header64)) { Debug(0, "'%s' is not an ELF file\n", filename); goto err; } if (memcmp(&elf_header32, ELFMAG, SELFMAG) != 0) { Debug(0, "'%s' is not an ELF file\n", filename); goto err; } if (elf_header32.e_ident[EI_CLASS] != ELFCLASS32 && elf_header32.e_ident[EI_CLASS] != ELFCLASS64) { Debug(0, "'%s' is not a 32/64 bit ELF file\n", filename); goto err; } if (WE_ARE_LITTLE_ENDIAN != (elf_header32.e_ident[EI_DATA] == ELFDATA2LSB)) { Debug(0, "'%s' is endian-incompatible\n", filename); goto err; } _64bits = (elf_header32.e_ident[EI_CLASS] == ELFCLASS64); if (_64bits && sizeof(elf_header64.e_entry) > sizeof(off_t)) { Debug(0, "Can't process '%s': 64-bit file " "while only %ld bits are supported", filename, 8L * sizeof(off_t)); goto err; } /* paranoia check */ if (_64bits ? 0 /* todo: (elf_header64.e_ehsize != NN || elf_header64.e_phentsize != NN) */ : (elf_header32.e_ehsize != 52 || elf_header32.e_phentsize != 32) ) { Debug(0, "'%s' has wrong e_ehsize or e_phentsize\n", filename); goto err; } off_t ofs = (_64bits ? elf_header64.e_phoff : elf_header32.e_phoff); if (lseek(fd, ofs, SEEK_SET) != ofs) { Debug(0, "Can't read phdrs from '%s'\n", filename); goto err; } unsigned size = ui->phdrs_count = (_64bits ? elf_header64.e_phnum : elf_header32.e_phnum); coredump_phdr_t *phdrs = ui->phdrs = memset(malloc(size * sizeof(phdrs[0])), 0, size * sizeof(phdrs[0])); if (_64bits) { coredump_phdr_t *cur = phdrs; unsigned i = 0; while (i < size) { Elf64_Phdr hdr64; if (read(fd, &hdr64, sizeof(hdr64)) != sizeof(hdr64)) { Debug(0, "Can't read phdrs from '%s'\n", filename); goto err; } cur->p_type = hdr64.p_type ; cur->p_flags = hdr64.p_flags ; cur->p_offset = hdr64.p_offset; cur->p_vaddr = hdr64.p_vaddr ; /*cur->p_paddr = hdr32.p_paddr ; always 0 */ //TODO: check that and abort if it isn't? cur->p_filesz = hdr64.p_filesz; cur->p_memsz = hdr64.p_memsz ; cur->p_align = hdr64.p_align ; /* cur->backing_filename = NULL; - done by memset */ cur->backing_fd = -1; cur->backing_filesize = hdr64.p_filesz; i++; cur++; } } else { coredump_phdr_t *cur = phdrs; unsigned i = 0; while (i < size) { Elf32_Phdr hdr32; if (read(fd, &hdr32, sizeof(hdr32)) != sizeof(hdr32)) { Debug(0, "Can't read phdrs from '%s'\n", filename); goto err; } cur->p_type = hdr32.p_type ; cur->p_flags = hdr32.p_flags ; cur->p_offset = hdr32.p_offset; cur->p_vaddr = hdr32.p_vaddr ; /*cur->p_paddr = hdr32.p_paddr ; always 0 */ cur->p_filesz = hdr32.p_filesz; cur->p_memsz = hdr32.p_memsz ; cur->p_align = hdr32.p_align ; /* cur->backing_filename = NULL; - done by memset */ cur->backing_fd = -1; cur->backing_filesize = hdr32.p_memsz; i++; cur++; } } unsigned i = 0; coredump_phdr_t *cur = phdrs; while (i < size) { Debug(2, "phdr[%03d]: type:%d", i, cur->p_type); if (cur->p_type == PT_NOTE) { Elf32_Nhdr *note_hdr, *note_end; unsigned n_threads; ui->note_phdr = malloc(cur->p_filesz); if (lseek(fd, cur->p_offset, SEEK_SET) != (off_t)cur->p_offset || (uoff_t)read(fd, ui->note_phdr, cur->p_filesz) != cur->p_filesz) { Debug(0, "Can't read PT_NOTE from '%s'\n", filename); goto err; } note_end = STRUCT_MEMBER_P (ui->note_phdr, cur->p_filesz); /* Count number of threads */ n_threads = 0; note_hdr = (Elf32_Nhdr *)ui->note_phdr; while (NOTE_FITS (note_hdr, note_end)) { if (note_hdr->n_type == NT_PRSTATUS) n_threads++; note_hdr = NOTE_NEXT (note_hdr); } ui->n_threads = n_threads; ui->threads = malloc(sizeof (void *) * n_threads); n_threads = 0; note_hdr = (Elf32_Nhdr *)ui->note_phdr; while (NOTE_FITS (note_hdr, note_end)) { if (note_hdr->n_type == NT_PRSTATUS) ui->threads[n_threads++] = NOTE_DATA (note_hdr); note_hdr = NOTE_NEXT (note_hdr); } } if (cur->p_type == PT_LOAD) { Debug(2, " ofs:%08llx va:%08llx filesize:%08llx memsize:%08llx flg:%x", (unsigned long long) cur->p_offset, (unsigned long long) cur->p_vaddr, (unsigned long long) cur->p_filesz, (unsigned long long) cur->p_memsz, cur->p_flags ); if (cur->p_filesz < cur->p_memsz) Debug(2, " partial"); if (cur->p_flags & PF_X) Debug(2, " executable"); } Debug(2, "\n"); i++; cur++; } if (ui->n_threads == 0) { Debug(0, "No NT_PRSTATUS note found in '%s'\n", filename); goto err; } ui->prstatus = ui->threads[0]; return ui; err: _UCD_destroy(ui); return NULL; } int _UCD_get_num_threads(struct UCD_info *ui) { return ui->n_threads; } void _UCD_select_thread(struct UCD_info *ui, int n) { if (n >= 0 && n < ui->n_threads) ui->prstatus = ui->threads[n]; } pid_t _UCD_get_pid(struct UCD_info *ui) { return ui->prstatus->pr_pid; } int _UCD_get_cursig(struct UCD_info *ui) { return ui->prstatus->pr_cursig; } int _UCD_add_backing_file_at_segment(struct UCD_info *ui, int phdr_no, const char *filename) { if ((unsigned)phdr_no >= ui->phdrs_count) { Debug(0, "There is no segment %d in this coredump\n", phdr_no); return -1; } struct coredump_phdr *phdr = &ui->phdrs[phdr_no]; if (phdr->backing_filename) { Debug(0, "Backing file already added to segment %d\n", phdr_no); return -1; } int fd = open(filename, O_RDONLY); if (fd < 0) { Debug(0, "Can't open '%s'\n", filename); return -1; } phdr->backing_fd = fd; phdr->backing_filename = strdup(filename); struct stat statbuf; if (fstat(fd, &statbuf) != 0) { Debug(0, "Can't stat '%s'\n", filename); goto err; } phdr->backing_filesize = (uoff_t)statbuf.st_size; if (phdr->p_flags != (PF_X | PF_R)) Debug(1, "Note: phdr[%u] is not r-x: flags are 0x%x\n", phdr_no, phdr->p_flags); if (phdr->backing_filesize > phdr->p_memsz) { /* This is expected */ Debug(2, "Note: phdr[%u] is %lld bytes, file is larger: %lld bytes\n", phdr_no, (unsigned long long)phdr->p_memsz, (unsigned long long)phdr->backing_filesize ); } //TODO: else loudly complain? Maybe even fail? if (phdr->p_filesz != 0) { //TODO: loop and compare in smaller blocks char *core_buf = malloc(phdr->p_filesz); char *file_buf = malloc(phdr->p_filesz); if (lseek(ui->coredump_fd, phdr->p_offset, SEEK_SET) != (off_t)phdr->p_offset || (uoff_t)read(ui->coredump_fd, core_buf, phdr->p_filesz) != phdr->p_filesz ) { Debug(0, "Error reading from coredump file\n"); err_read: free(core_buf); free(file_buf); goto err; } if ((uoff_t)read(fd, file_buf, phdr->p_filesz) != phdr->p_filesz) { Debug(0, "Error reading from '%s'\n", filename); goto err_read; } int r = memcmp(core_buf, file_buf, phdr->p_filesz); free(core_buf); free(file_buf); if (r != 0) { Debug(1, "Note: phdr[%u] first %lld bytes in core dump and in file do not match\n", phdr_no, (unsigned long long)phdr->p_filesz ); } else { Debug(1, "Note: phdr[%u] first %lld bytes in core dump and in file match\n", phdr_no, (unsigned long long)phdr->p_filesz ); } } /* Success */ return 0; err: if (phdr->backing_fd >= 0) { close(phdr->backing_fd); phdr->backing_fd = -1; } free(phdr->backing_filename); phdr->backing_filename = NULL; return -1; } int _UCD_add_backing_file_at_vaddr(struct UCD_info *ui, unsigned long vaddr, const char *filename) { unsigned i; for (i = 0; i < ui->phdrs_count; i++) { struct coredump_phdr *phdr = &ui->phdrs[i]; if (phdr->p_vaddr != vaddr) continue; /* It seems to match. Add it. */ return _UCD_add_backing_file_at_segment(ui, i, filename); } return -1; } libunwind-1.3.2/src/coredump/_UCD_find_proc_info.c0000644000175000017500000001271313406556425017030 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "_UCD_lib.h" #include "_UCD_internal.h" static int get_unwind_info(struct UCD_info *ui, unw_addr_space_t as, unw_word_t ip) { unsigned long segbase, mapoff; #if UNW_TARGET_IA64 && defined(__linux) if (!ui->edi.ktab.start_ip && _Uia64_get_kernel_table (&ui->edi.ktab) < 0) return -UNW_ENOINFO; if (ui->edi.ktab.format != -1 && ip >= ui->edi.ktab.start_ip && ip < ui->edi.ktab.end_ip) return 0; #endif if ((ui->edi.di_cache.format != -1 && ip >= ui->edi.di_cache.start_ip && ip < ui->edi.di_cache.end_ip) #if UNW_TARGET_ARM || (ui->edi.di_debug.format != -1 && ip >= ui->edi.di_arm.start_ip && ip < ui->edi.di_arm.end_ip) #endif || (ui->edi.di_debug.format != -1 && ip >= ui->edi.di_debug.start_ip && ip < ui->edi.di_debug.end_ip)) return 0; invalidate_edi (&ui->edi); /* Used to be tdep_get_elf_image() in ptrace unwinding code */ coredump_phdr_t *phdr = _UCD_get_elf_image(ui, ip); if (!phdr) { Debug(1, "returns error: _UCD_get_elf_image failed\n"); return -UNW_ENOINFO; } /* segbase: where it is mapped in virtual memory */ /* mapoff: offset in the file */ segbase = phdr->p_vaddr; /*mapoff = phdr->p_offset; WRONG! phdr->p_offset is the offset in COREDUMP file */ mapoff = 0; ///FIXME. text segment is USUALLY, not always, at offset 0 in the binary/.so file. // ensure that at initialization. /* Here, SEGBASE is the starting-address of the (mmap'ped) segment which covers the IP we're looking for. */ if (tdep_find_unwind_table(&ui->edi, as, phdr->backing_filename, segbase, mapoff, ip) < 0) { Debug(1, "returns error: tdep_find_unwind_table failed\n"); return -UNW_ENOINFO; } /* This can happen in corner cases where dynamically generated code falls into the same page that contains the data-segment and the page-offset of the code is within the first page of the executable. */ if (ui->edi.di_cache.format != -1 && (ip < ui->edi.di_cache.start_ip || ip >= ui->edi.di_cache.end_ip)) ui->edi.di_cache.format = -1; if (ui->edi.di_debug.format != -1 && (ip < ui->edi.di_debug.start_ip || ip >= ui->edi.di_debug.end_ip)) ui->edi.di_debug.format = -1; if (ui->edi.di_cache.format == -1 #if UNW_TARGET_ARM && ui->edi.di_arm.format == -1 #endif && ui->edi.di_debug.format == -1) { Debug(1, "returns error: all formats are -1\n"); return -UNW_ENOINFO; } Debug(1, "returns success\n"); return 0; } int _UCD_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { struct UCD_info *ui = arg; Debug(1, "entering\n"); int ret = -UNW_ENOINFO; if (get_unwind_info(ui, as, ip) < 0) { Debug(1, "returns error: get_unwind_info failed\n"); return -UNW_ENOINFO; } #if UNW_TARGET_IA64 if (ui->edi.ktab.format != -1) { /* The kernel unwind table resides in local memory, so we have to use the local address space to search it. Since _UCD_put_unwind_info() has no easy way of detecting this case, we simply make a copy of the unwind-info, so _UCD_put_unwind_info() can always free() the unwind-info without ill effects. */ ret = tdep_search_unwind_table (unw_local_addr_space, ip, &ui->edi.ktab, pi, need_unwind_info, arg); if (ret >= 0) { if (!need_unwind_info) pi->unwind_info = NULL; else { void *mem = malloc (pi->unwind_info_size); if (!mem) return -UNW_ENOMEM; memcpy (mem, pi->unwind_info, pi->unwind_info_size); pi->unwind_info = mem; } } } #endif if (ret == -UNW_ENOINFO && ui->edi.di_cache.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_cache, pi, need_unwind_info, arg); #if UNW_TARGET_ARM if (ret == -UNW_ENOINFO && ui->edi.di_arm.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_arm, pi, need_unwind_info, arg); #endif if (ret == -UNW_ENOINFO && ui->edi.di_debug.format != -1) ret = tdep_search_unwind_table (as, ip, &ui->edi.di_debug, pi, need_unwind_info, arg); Debug(1, "returns %d\n", ret); return ret; } libunwind-1.3.2/src/coredump/_UPT_put_unwind_info.c0000644000175000017500000000264213406556425017316 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" void _UCD_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { if (!pi->unwind_info) return; free (pi->unwind_info); pi->unwind_info = NULL; } libunwind-1.3.2/src/coredump/_UPT_resume.c0000644000175000017500000000262213406556425015405 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" int _UCD_resume (unw_addr_space_t as, unw_cursor_t *c, void *arg) { print_error (__func__); print_error (" not implemented\n"); return -UNW_EINVAL; } libunwind-1.3.2/src/coredump/_UPT_get_dyn_info_list_addr.c0000644000175000017500000000630713640667603020603 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" #if UNW_TARGET_IA64 && defined(__linux) # include "elf64.h" # include "os-linux.h" static inline int get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, int *countp) { unsigned long lo, hi, off; struct UPT_info *ui = arg; struct map_iterator mi; char path[PATH_MAX]; unw_dyn_info_t *di; unw_word_t res; int count = 0; maps_init (&mi, ui->pid); while (maps_next (&mi, &lo, &hi, &off)) { if (off) continue; invalidate_edi (&ui->edi); if (elf_map_image (&ui->ei, path) < 0) /* ignore unmappable stuff like "/SYSV00001b58 (deleted)" */ continue; Debug (16, "checking object %s\n", path); di = tdep_find_unwind_table (&ui->edi, as, path, lo, off); if (di) { res = _Uia64_find_dyn_list (as, di, arg); if (res && count++ == 0) { Debug (12, "dyn_info_list_addr = 0x%lx\n", (long) res); *dil_addr = res; } } } maps_close (&mi); *countp = count; return 0; } #else static inline int get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg, int *countp) { # warning Implement get_list_addr(), please. *countp = 0; return 0; } #endif int _UCD_get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg) { int count, ret; Debug (12, "looking for dyn_info list\n"); if ((ret = get_list_addr (as, dil_addr, arg, &count)) < 0) return ret; /* If multiple dynamic-info list addresses are found, we would have to determine which was is the one actually in use (since the dynamic name resolution algorithm will pick one "winner"). Perhaps we'd have to track them all until we find one that's non-empty. Hopefully, this case simply will never arise, since only libunwind defines the dynamic info list head. */ assert (count <= 1); return (count > 0) ? 0 : -UNW_ENOINFO; } libunwind-1.3.2/src/coredump/_UPT_elf.c0000644000175000017500000000035413406556425014653 00000000000000/* We need to get a separate copy of the ELF-code into libunwind-coredump since it cannot (and must not) have any ELF dependencies on libunwind. */ #include "libunwind_i.h" /* get ELFCLASS defined */ #include "../elfxx.c" libunwind-1.3.2/src/coredump/_UCD_internal.h0000644000175000017500000000602413406556425015671 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _UCD_internal_h #define _UCD_internal_h #ifdef HAVE_CONFIG_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_PROCFS_H #include /* struct elf_prstatus */ #endif #include #include #include #include #include #include #include "libunwind_i.h" #if SIZEOF_OFF_T == 4 typedef uint32_t uoff_t; #elif SIZEOF_OFF_T == 8 typedef uint64_t uoff_t; #else # error Unknown size of off_t! #endif /* Similar to ELF phdrs. p_paddr element is absent, * since it's always 0 in coredumps. */ struct coredump_phdr { uint32_t p_type; uint32_t p_flags; uoff_t p_offset; uoff_t p_vaddr; uoff_t p_filesz; uoff_t p_memsz; uoff_t p_align; /* Data for backing file. If backing_fd < 0, there is no file */ uoff_t backing_filesize; char *backing_filename; /* for error meesages only */ int backing_fd; }; typedef struct coredump_phdr coredump_phdr_t; #if defined(HAVE_STRUCT_ELF_PRSTATUS) #define PRSTATUS_STRUCT elf_prstatus #elif defined(HAVE_STRUCT_PRSTATUS) #define PRSTATUS_STRUCT prstatus #else #define PRSTATUS_STRUCT non_existent #endif struct UCD_info { int big_endian; /* bool */ int coredump_fd; char *coredump_filename; /* for error meesages only */ coredump_phdr_t *phdrs; /* array, allocated */ unsigned phdrs_count; void *note_phdr; /* allocated or NULL */ struct PRSTATUS_STRUCT *prstatus; /* points inside note_phdr */ int n_threads; struct PRSTATUS_STRUCT **threads; struct elf_dyn_info edi; }; extern coredump_phdr_t * _UCD_get_elf_image(struct UCD_info *ui, unw_word_t ip); #define STRUCT_MEMBER_P(struct_p, struct_offset) ((void *) ((char*) (struct_p) + (long) (struct_offset))) #define STRUCT_MEMBER(member_type, struct_p, struct_offset) (*(member_type*) STRUCT_MEMBER_P ((struct_p), (struct_offset))) #endif libunwind-1.3.2/src/coredump/_UCD_get_proc_name.c0000644000175000017500000000506413406556425016655 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" /* Find the ELF image that contains IP and return the "closest" procedure name, if there is one. With some caching, this could be sped up greatly, but until an application materializes that's sensitive to the performance of this routine, why bother... */ static int elf_w (CD_get_proc_name) (struct UCD_info *ui, unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp) { unsigned long segbase, mapoff; int ret; /* Used to be tdep_get_elf_image() in ptrace unwinding code */ coredump_phdr_t *cphdr = _UCD_get_elf_image(ui, ip); if (!cphdr) { Debug(1, "returns error: _UCD_get_elf_image failed\n"); return -UNW_ENOINFO; } /* segbase: where it is mapped in virtual memory */ /* mapoff: offset in the file */ segbase = cphdr->p_vaddr; /*mapoff = phdr->p_offset; WRONG! phdr->p_offset is the offset in COREDUMP file */ mapoff = 0; ret = elf_w (get_proc_name_in_image) (as, &ui->edi.ei, segbase, mapoff, ip, buf, buf_len, offp); return ret; } int _UCD_get_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { struct UCD_info *ui = arg; #if ELF_CLASS == ELFCLASS64 return _Uelf64_CD_get_proc_name (ui, as, ip, buf, buf_len, offp); #elif ELF_CLASS == ELFCLASS32 return _Uelf32_CD_get_proc_name (ui, as, ip, buf, buf_len, offp); #else return -UNW_ENOINFO; #endif } libunwind-1.3.2/src/coredump/_UCD_elf_map_image.c0000644000175000017500000000637413406556425016625 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "_UCD_lib.h" #include "_UCD_internal.h" static coredump_phdr_t * CD_elf_map_image(struct UCD_info *ui, coredump_phdr_t *phdr) { struct elf_image *ei = &ui->edi.ei; if (phdr->backing_fd < 0) { /* Note: coredump file contains only phdr->p_filesz bytes. * We want to map bigger area (phdr->p_memsz bytes) to make sure * these pages are allocated, but non-accessible. */ /* addr, length, prot, flags, fd, fd_offset */ ei->image = mmap(NULL, phdr->p_memsz, PROT_READ, MAP_PRIVATE, ui->coredump_fd, phdr->p_offset); if (ei->image == MAP_FAILED) { ei->image = NULL; return NULL; } ei->size = phdr->p_filesz; size_t remainder_len = phdr->p_memsz - phdr->p_filesz; if (remainder_len > 0) { void *remainder_base = (char*) ei->image + phdr->p_filesz; munmap(remainder_base, remainder_len); } } else { /* We have a backing file for this segment. * This file is always longer than phdr->p_memsz, * and if phdr->p_filesz !=0, first phdr->p_filesz bytes in coredump * are the same as first bytes in the file. (Thus no need to map coredump) * We map the entire file: * unwinding may need data which is past phdr->p_memsz bytes. */ /* addr, length, prot, flags, fd, fd_offset */ ei->image = mmap(NULL, phdr->backing_filesize, PROT_READ, MAP_PRIVATE, phdr->backing_fd, 0); if (ei->image == MAP_FAILED) { ei->image = NULL; return NULL; } ei->size = phdr->backing_filesize; } /* Check ELF header for sanity */ if (!elf_w(valid_object)(ei)) { munmap(ei->image, ei->size); ei->image = NULL; ei->size = 0; return NULL; } return phdr; } HIDDEN coredump_phdr_t * _UCD_get_elf_image(struct UCD_info *ui, unw_word_t ip) { unsigned i; for (i = 0; i < ui->phdrs_count; i++) { coredump_phdr_t *phdr = &ui->phdrs[i]; if (phdr->p_vaddr <= ip && ip < phdr->p_vaddr + phdr->p_memsz) { phdr = CD_elf_map_image(ui, phdr); return phdr; } } return NULL; } libunwind-1.3.2/src/coredump/_UCD_access_reg_linux.c0000644000175000017500000001227513640667603017373 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "_UCD_lib.h" #include "_UCD_internal.h" int _UCD_access_reg (unw_addr_space_t as, unw_regnum_t regnum, unw_word_t *valp, int write, void *arg) { struct UCD_info *ui = arg; if (write) { Debug(0, "write is not supported\n"); return -UNW_EINVAL; } if (regnum < 0) goto badreg; #if defined(UNW_TARGET_AARCH64) if (regnum >= UNW_AARCH64_FPCR) goto badreg; #elif defined(UNW_TARGET_ARM) if (regnum >= 16) goto badreg; #elif defined(UNW_TARGET_SH) if (regnum > UNW_SH_PR) goto badreg; #elif defined(UNW_TARGET_TILEGX) if (regnum > UNW_TILEGX_CFA) goto badreg; #else #if defined(UNW_TARGET_MIPS) static const uint8_t remap_regs[] = { [UNW_MIPS_R0] = EF_REG0, [UNW_MIPS_R1] = EF_REG1, [UNW_MIPS_R2] = EF_REG2, [UNW_MIPS_R3] = EF_REG3, [UNW_MIPS_R4] = EF_REG4, [UNW_MIPS_R5] = EF_REG5, [UNW_MIPS_R6] = EF_REG6, [UNW_MIPS_R7] = EF_REG7, [UNW_MIPS_R8] = EF_REG8, [UNW_MIPS_R9] = EF_REG9, [UNW_MIPS_R10] = EF_REG10, [UNW_MIPS_R11] = EF_REG11, [UNW_MIPS_R12] = EF_REG12, [UNW_MIPS_R13] = EF_REG13, [UNW_MIPS_R14] = EF_REG14, [UNW_MIPS_R15] = EF_REG15, [UNW_MIPS_R16] = EF_REG16, [UNW_MIPS_R17] = EF_REG17, [UNW_MIPS_R18] = EF_REG18, [UNW_MIPS_R19] = EF_REG19, [UNW_MIPS_R20] = EF_REG20, [UNW_MIPS_R21] = EF_REG21, [UNW_MIPS_R22] = EF_REG22, [UNW_MIPS_R23] = EF_REG23, [UNW_MIPS_R24] = EF_REG24, [UNW_MIPS_R25] = EF_REG25, [UNW_MIPS_R28] = EF_REG28, [UNW_MIPS_R29] = EF_REG29, [UNW_MIPS_R30] = EF_REG30, [UNW_MIPS_R31] = EF_REG31, [UNW_MIPS_PC] = EF_CP0_EPC, }; #elif defined(UNW_TARGET_X86) static const uint8_t remap_regs[] = { /* names from libunwind-x86.h */ [UNW_X86_EAX] = offsetof(struct user_regs_struct, eax) / sizeof(long), [UNW_X86_EDX] = offsetof(struct user_regs_struct, edx) / sizeof(long), [UNW_X86_ECX] = offsetof(struct user_regs_struct, ecx) / sizeof(long), [UNW_X86_EBX] = offsetof(struct user_regs_struct, ebx) / sizeof(long), [UNW_X86_ESI] = offsetof(struct user_regs_struct, esi) / sizeof(long), [UNW_X86_EDI] = offsetof(struct user_regs_struct, edi) / sizeof(long), [UNW_X86_EBP] = offsetof(struct user_regs_struct, ebp) / sizeof(long), [UNW_X86_ESP] = offsetof(struct user_regs_struct, esp) / sizeof(long), [UNW_X86_EIP] = offsetof(struct user_regs_struct, eip) / sizeof(long), [UNW_X86_EFLAGS] = offsetof(struct user_regs_struct, eflags) / sizeof(long), [UNW_X86_TRAPNO] = offsetof(struct user_regs_struct, orig_eax) / sizeof(long), }; #elif defined(UNW_TARGET_X86_64) static const int8_t remap_regs[] = { [UNW_X86_64_RAX] = offsetof(struct user_regs_struct, rax) / sizeof(long), [UNW_X86_64_RDX] = offsetof(struct user_regs_struct, rdx) / sizeof(long), [UNW_X86_64_RCX] = offsetof(struct user_regs_struct, rcx) / sizeof(long), [UNW_X86_64_RBX] = offsetof(struct user_regs_struct, rbx) / sizeof(long), [UNW_X86_64_RSI] = offsetof(struct user_regs_struct, rsi) / sizeof(long), [UNW_X86_64_RDI] = offsetof(struct user_regs_struct, rdi) / sizeof(long), [UNW_X86_64_RBP] = offsetof(struct user_regs_struct, rbp) / sizeof(long), [UNW_X86_64_RSP] = offsetof(struct user_regs_struct, rsp) / sizeof(long), [UNW_X86_64_RIP] = offsetof(struct user_regs_struct, rip) / sizeof(long), }; #else #error Port me #endif if (regnum >= (unw_regnum_t)ARRAY_SIZE(remap_regs)) goto badreg; regnum = remap_regs[regnum]; #endif /* pr_reg is a long[] array, but it contains struct user_regs_struct's * image. */ Debug(1, "pr_reg[%d]:%ld (0x%lx)\n", regnum, (long)ui->prstatus->pr_reg[regnum], (long)ui->prstatus->pr_reg[regnum] ); *valp = ui->prstatus->pr_reg[regnum]; return 0; badreg: Debug(0, "bad regnum:%d\n", regnum); return -UNW_EINVAL; } libunwind-1.3.2/src/aarch64/0000755000175000017500000000000013640673451012541 500000000000000libunwind-1.3.2/src/aarch64/unwind_i.h0000644000175000017500000000464213640667603014456 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" /* DWARF column numbers for AArch64: */ #define X29 29 #define FP 29 #define X30 30 #define LR 30 #define SP 31 #define aarch64_lock UNW_OBJ(lock) #define aarch64_local_resume UNW_OBJ(local_resume) #define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init) extern void aarch64_local_addr_space_init (void); extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); /* By-pass calls to access_mem() when known to be safe. */ #ifdef UNW_LOCAL_ONLY # undef ACCESS_MEM_FAST # define ACCESS_MEM_FAST(ret,validate,cur,addr,to) \ do { \ if (unlikely(validate)) \ (ret) = dwarf_get ((cur), DWARF_MEM_LOC ((cur), (addr)), &(to)); \ else \ (ret) = 0, (to) = *(unw_word_t *)(addr); \ } while (0) #endif #define GET_FPCTX(uc) ((struct fpsimd_context *)(&uc->uc_mcontext.__reserved)) #endif /* unwind_i_h */ libunwind-1.3.2/src/aarch64/Gget_save_loc.c0000644000175000017500000000543213406755365015377 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; switch (reg) { case UNW_AARCH64_X0: case UNW_AARCH64_X1: case UNW_AARCH64_X2: case UNW_AARCH64_X3: case UNW_AARCH64_X4: case UNW_AARCH64_X5: case UNW_AARCH64_X6: case UNW_AARCH64_X7: case UNW_AARCH64_X8: case UNW_AARCH64_X9: case UNW_AARCH64_X10: case UNW_AARCH64_X11: case UNW_AARCH64_X12: case UNW_AARCH64_X13: case UNW_AARCH64_X14: case UNW_AARCH64_X15: case UNW_AARCH64_X16: case UNW_AARCH64_X17: case UNW_AARCH64_X18: case UNW_AARCH64_X19: case UNW_AARCH64_X20: case UNW_AARCH64_X21: case UNW_AARCH64_X22: case UNW_AARCH64_X23: case UNW_AARCH64_X24: case UNW_AARCH64_X25: case UNW_AARCH64_X26: case UNW_AARCH64_X27: case UNW_AARCH64_X28: case UNW_AARCH64_X29: case UNW_AARCH64_X30: case UNW_AARCH64_SP: case UNW_AARCH64_PC: case UNW_AARCH64_PSTATE: loc = c->dwarf.loc[reg]; break; default: loc = DWARF_NULL_LOC; /* default to "not saved" */ break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/aarch64/Ginit_local.c0000644000175000017500000000415013640667603015053 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2011-2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common (unw_cursor_t *cursor, unw_context_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = uc; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/aarch64/Lapply_reg_state.c0000644000175000017500000000021413406755365016125 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/aarch64/Lstash_frame.c0000644000175000017500000000021013406556425015227 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstash_frame.c" #endif libunwind-1.3.2/src/aarch64/Gstash_frame.c0000644000175000017500000000774313406755365015250 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY Copyright (C) 2014 CERN and Aalto University Contributed by Filip Nyback This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN void tdep_stash_frame (struct dwarf_cursor *d, struct dwarf_reg_state *rs) { struct cursor *c = (struct cursor *) dwarf_to_cursor (d); unw_tdep_frame_t *f = &c->frame_info; Debug (4, "ip=0x%lx cfa=0x%lx type %d cfa [where=%d val=%ld] cfaoff=%ld" " ra=0x%lx fp [where=%d val=%ld @0x%lx] lr [where=%d val=%ld @0x%lx] " "sp [where=%d val=%ld @0x%lx]\n", d->ip, d->cfa, f->frame_type, rs->reg.where[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_REG_COLUMN], rs->reg.val[DWARF_CFA_OFF_COLUMN], DWARF_GET_LOC(d->loc[rs->ret_addr_column]), rs->reg.where[FP], rs->reg.val[FP], DWARF_GET_LOC(d->loc[FP]), rs->reg.where[LR], rs->reg.val[LR], DWARF_GET_LOC(d->loc[LR]), rs->reg.where[SP], rs->reg.val[SP], DWARF_GET_LOC(d->loc[SP])); /* A standard frame is defined as: - CFA is register-relative offset off FP or SP; - Return address is saved in LR; - FP is unsaved or saved at CFA+offset, offset != -1; - LR is unsaved or saved at CFA+offset, offset != -1; - SP is unsaved or saved at CFA+offset, offset != -1. */ if (f->frame_type == UNW_AARCH64_FRAME_OTHER && (rs->reg.where[DWARF_CFA_REG_COLUMN] == DWARF_WHERE_REG) && (rs->reg.val[DWARF_CFA_REG_COLUMN] == FP || rs->reg.val[DWARF_CFA_REG_COLUMN] == SP) && labs(rs->reg.val[DWARF_CFA_OFF_COLUMN]) < (1 << 29) && rs->ret_addr_column == LR && (rs->reg.where[FP] == DWARF_WHERE_UNDEF || rs->reg.where[FP] == DWARF_WHERE_SAME || (rs->reg.where[FP] == DWARF_WHERE_CFAREL && labs(rs->reg.val[FP]) < (1 << 29) && rs->reg.val[FP]+1 != 0)) && (rs->reg.where[LR] == DWARF_WHERE_UNDEF || rs->reg.where[LR] == DWARF_WHERE_SAME || (rs->reg.where[LR] == DWARF_WHERE_CFAREL && labs(rs->reg.val[LR]) < (1 << 29) && rs->reg.val[LR]+1 != 0)) && (rs->reg.where[SP] == DWARF_WHERE_UNDEF || rs->reg.where[SP] == DWARF_WHERE_SAME || (rs->reg.where[SP] == DWARF_WHERE_CFAREL && labs(rs->reg.val[SP]) < (1 << 29) && rs->reg.val[SP]+1 != 0))) { /* Save information for a standard frame. */ f->frame_type = UNW_AARCH64_FRAME_STANDARD; f->cfa_reg_sp = (rs->reg.val[DWARF_CFA_REG_COLUMN] == SP); f->cfa_reg_offset = rs->reg.val[DWARF_CFA_OFF_COLUMN]; if (rs->reg.where[FP] == DWARF_WHERE_CFAREL) f->fp_cfa_offset = rs->reg.val[FP]; if (rs->reg.where[LR] == DWARF_WHERE_CFAREL) f->lr_cfa_offset = rs->reg.val[LR]; if (rs->reg.where[SP] == DWARF_WHERE_CFAREL) f->sp_cfa_offset = rs->reg.val[SP]; Debug (4, " standard frame\n"); } else Debug (4, " unusual frame\n"); } libunwind-1.3.2/src/aarch64/Greg_states_iterate.c0000644000175000017500000000277613406755365016632 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/aarch64/Lregs.c0000644000175000017500000000020113406556425013673 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/aarch64/Gtrace.c0000644000175000017500000004467213406556425014050 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY Copyright (C) 2014 CERN and Aalto University Contributed by Filip Nyback This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #include #include #pragma weak pthread_once #pragma weak pthread_key_create #pragma weak pthread_getspecific #pragma weak pthread_setspecific /* Initial hash table size. Table expands by 2 bits (times four). */ #define HASH_MIN_BITS 14 typedef struct { unw_tdep_frame_t *frames; size_t log_size; size_t used; size_t dtor_count; /* Counts how many times our destructor has already been called. */ } unw_trace_cache_t; static const unw_tdep_frame_t empty_frame = { 0, UNW_AARCH64_FRAME_OTHER, -1, -1, 0, -1, -1, -1 }; static define_lock (trace_init_lock); static pthread_once_t trace_cache_once = PTHREAD_ONCE_INIT; static sig_atomic_t trace_cache_once_happen; static pthread_key_t trace_cache_key; static struct mempool trace_cache_pool; static __thread unw_trace_cache_t *tls_cache; static __thread int tls_cache_destroyed; /* Free memory for a thread's trace cache. */ static void trace_cache_free (void *arg) { unw_trace_cache_t *cache = arg; if (++cache->dtor_count < PTHREAD_DESTRUCTOR_ITERATIONS) { /* Not yet our turn to get destroyed. Re-install ourselves into the key. */ pthread_setspecific(trace_cache_key, cache); Debug(5, "delayed freeing cache %p (%zx to go)\n", cache, PTHREAD_DESTRUCTOR_ITERATIONS - cache->dtor_count); return; } tls_cache_destroyed = 1; tls_cache = NULL; munmap (cache->frames, (1u << cache->log_size) * sizeof(unw_tdep_frame_t)); mempool_free (&trace_cache_pool, cache); Debug(5, "freed cache %p\n", cache); } /* Initialise frame tracing for threaded use. */ static void trace_cache_init_once (void) { pthread_key_create (&trace_cache_key, &trace_cache_free); mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); trace_cache_once_happen = 1; } static unw_tdep_frame_t * trace_cache_buckets (size_t n) { unw_tdep_frame_t *frames; size_t i; GET_MEMORY(frames, n * sizeof (unw_tdep_frame_t)); if (likely(frames != NULL)) for (i = 0; i < n; ++i) frames[i] = empty_frame; return frames; } /* Allocate and initialise hash table for frame cache lookups. Returns the cache initialised with (1u << HASH_LOW_BITS) hash buckets, or NULL if there was a memory allocation problem. */ static unw_trace_cache_t * trace_cache_create (void) { unw_trace_cache_t *cache; if (tls_cache_destroyed) { /* The current thread is in the process of exiting. Don't recreate cache, as we wouldn't have another chance to free it. */ Debug(5, "refusing to reallocate cache: " "thread-locals are being deallocated\n"); return NULL; } if (! (cache = mempool_alloc(&trace_cache_pool))) { Debug(5, "failed to allocate cache\n"); return NULL; } if (! (cache->frames = trace_cache_buckets(1u << HASH_MIN_BITS))) { Debug(5, "failed to allocate buckets\n"); mempool_free(&trace_cache_pool, cache); return NULL; } cache->log_size = HASH_MIN_BITS; cache->used = 0; cache->dtor_count = 0; tls_cache_destroyed = 0; /* Paranoia: should already be 0. */ Debug(5, "allocated cache %p\n", cache); return cache; } /* Expand the hash table in the frame cache if possible. This always quadruples the hash size, and clears all previous frame entries. */ static int trace_cache_expand (unw_trace_cache_t *cache) { size_t old_size = (1u << cache->log_size); size_t new_log_size = cache->log_size + 2; unw_tdep_frame_t *new_frames = trace_cache_buckets (1u << new_log_size); if (unlikely(! new_frames)) { Debug(5, "failed to expand cache to 2^%lu buckets\n", new_log_size); return -UNW_ENOMEM; } Debug(5, "expanded cache from 2^%lu to 2^%lu buckets\n", cache->log_size, new_log_size); munmap(cache->frames, old_size * sizeof(unw_tdep_frame_t)); cache->frames = new_frames; cache->log_size = new_log_size; cache->used = 0; return 0; } static unw_trace_cache_t * trace_cache_get_unthreaded (void) { unw_trace_cache_t *cache; intrmask_t saved_mask; static unw_trace_cache_t *global_cache = NULL; lock_acquire (&trace_init_lock, saved_mask); if (! global_cache) { mempool_init (&trace_cache_pool, sizeof (unw_trace_cache_t), 0); global_cache = trace_cache_create (); } cache = global_cache; lock_release (&trace_init_lock, saved_mask); Debug(5, "using cache %p\n", cache); return cache; } /* Get the frame cache for the current thread. Create it if there is none. */ static unw_trace_cache_t * trace_cache_get (void) { unw_trace_cache_t *cache; if (likely (pthread_once != NULL)) { pthread_once(&trace_cache_once, &trace_cache_init_once); if (!trace_cache_once_happen) { return trace_cache_get_unthreaded(); } if (! (cache = tls_cache)) { cache = trace_cache_create(); pthread_setspecific(trace_cache_key, cache); tls_cache = cache; } Debug(5, "using cache %p\n", cache); return cache; } else { return trace_cache_get_unthreaded(); } } /* Initialise frame properties for address cache slot F at address PC using current CFA, FP and SP values. Modifies CURSOR to that location, performs one unw_step(), and fills F with what was discovered about the location. Returns F. FIXME: This probably should tell DWARF handling to never evaluate or use registers other than FP, SP and PC in case there is highly unusual unwind info which uses these creatively. */ static unw_tdep_frame_t * trace_init_addr (unw_tdep_frame_t *f, unw_cursor_t *cursor, unw_word_t cfa, unw_word_t pc, unw_word_t fp, unw_word_t sp) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; int ret = -UNW_EINVAL; /* Initialise frame properties: unknown, not last. */ f->virtual_address = pc; f->frame_type = UNW_AARCH64_FRAME_OTHER; f->last_frame = 0; f->cfa_reg_sp = -1; f->cfa_reg_offset = 0; f->fp_cfa_offset = -1; f->lr_cfa_offset = -1; f->sp_cfa_offset = -1; /* Reinitialise cursor to this instruction - but undo next/prev PC adjustment because unw_step will redo it - and force PC, FP and SP into register locations (=~ ucontext we keep), then set their desired values. Then perform the step. */ d->ip = pc + d->use_prev_instr; d->cfa = cfa; d->loc[UNW_AARCH64_X29] = DWARF_REG_LOC (d, UNW_AARCH64_X29); d->loc[UNW_AARCH64_SP] = DWARF_REG_LOC (d, UNW_AARCH64_SP); d->loc[UNW_AARCH64_PC] = DWARF_REG_LOC (d, UNW_AARCH64_PC); c->frame_info = *f; if (likely(dwarf_put (d, d->loc[UNW_AARCH64_X29], fp) >= 0) && likely(dwarf_put (d, d->loc[UNW_AARCH64_SP], sp) >= 0) && likely(dwarf_put (d, d->loc[UNW_AARCH64_PC], pc) >= 0) && likely((ret = unw_step (cursor)) >= 0)) *f = c->frame_info; /* If unw_step() stopped voluntarily, remember that, even if it otherwise could not determine anything useful. This avoids failing trace if we hit frames without unwind info, which is common for the outermost frame (CRT stuff) on many systems. This avoids failing trace in very common circumstances; failing to unw_step() loop wouldn't produce any better result. */ if (ret == 0) f->last_frame = -1; Debug (3, "frame va %lx type %d last %d cfa %s+%d fp @ cfa%+d lr @ cfa%+d sp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_sp ? "sp" : "fp", f->cfa_reg_offset, f->fp_cfa_offset, f->lr_cfa_offset, f->sp_cfa_offset); return f; } /* Look up and if necessary fill in frame attributes for address PC in CACHE using current CFA, FP and SP values. Uses CURSOR to perform any unwind steps necessary to fill the cache. Returns the frame cache slot which describes RIP. */ static unw_tdep_frame_t * trace_lookup (unw_cursor_t *cursor, unw_trace_cache_t *cache, unw_word_t cfa, unw_word_t pc, unw_word_t fp, unw_word_t sp) { /* First look up for previously cached information using cache as linear probing hash table with probe step of 1. Majority of lookups should be completed within few steps, but it is very important the hash table does not fill up, or performance falls off the cliff. */ uint64_t i, addr; uint64_t cache_size = 1u << cache->log_size; uint64_t slot = ((pc * 0x9e3779b97f4a7c16) >> 43) & (cache_size-1); unw_tdep_frame_t *frame; for (i = 0; i < 16; ++i) { frame = &cache->frames[slot]; addr = frame->virtual_address; /* Return if we found the address. */ if (likely(addr == pc)) { Debug (4, "found address after %ld steps\n", i); return frame; } /* If slot is empty, reuse it. */ if (likely(! addr)) break; /* Linear probe to next slot candidate, step = 1. */ if (++slot >= cache_size) slot -= cache_size; } /* If we collided after 16 steps, or if the hash is more than half full, force the hash to expand. Fill the selected slot, whether it's free or collides. Note that hash expansion drops previous contents; further lookups will refill the hash. */ Debug (4, "updating slot %lu after %ld steps, replacing 0x%lx\n", slot, i, addr); if (unlikely(addr || cache->used >= cache_size / 2)) { if (unlikely(trace_cache_expand (cache) < 0)) return NULL; cache_size = 1u << cache->log_size; slot = ((pc * 0x9e3779b97f4a7c16) >> 43) & (cache_size-1); frame = &cache->frames[slot]; addr = frame->virtual_address; } if (! addr) ++cache->used; return trace_init_addr (frame, cursor, cfa, pc, fp, sp); } /* Fast stack backtrace for AArch64. This is used by backtrace() implementation to accelerate frequent queries for current stack, without any desire to unwind. It fills BUFFER with the call tree from CURSOR upwards for at most SIZE stack levels. The first frame, backtrace itself, is omitted. When called, SIZE should give the maximum number of entries that can be stored into BUFFER. Uses an internal thread-specific cache to accelerate queries. The caller should fall back to a unw_step() loop if this function fails by returning -UNW_ESTOPUNWIND, meaning the routine hit a stack frame that is too complex to be traced in the fast path. This function is tuned for clients which only need to walk the stack to get the call tree as fast as possible but without any other details, for example profilers sampling the stack thousands to millions of times per second. The routine handles the most common AArch64 ABI stack layouts: CFA is FP or SP plus/minus constant offset, return address is in LR, and FP, LR and SP are either unchanged or saved on stack at constant offset from the CFA; the signal return frame; and frames without unwind info provided they are at the outermost (final) frame or can conservatively be assumed to be frame-pointer based. Any other stack layout will cause the routine to give up. There are only a handful of relatively rarely used functions which do not have a stack in the standard form: vfork, longjmp, setcontext and _dl_runtime_profile on common linux systems for example. On success BUFFER and *SIZE reflect the trace progress up to *SIZE stack levels or the outermost frame, which ever is less. It may stop short of outermost frame if unw_step() loop would also do so, e.g. if there is no more unwind information; this is not reported as an error. The function returns a negative value for errors, -UNW_ESTOPUNWIND if tracing stopped because of an unusual frame unwind info. The BUFFER and *SIZE reflect tracing progress up to the error frame. Callers of this function would normally look like this: unw_cursor_t cur; unw_context_t ctx; void addrs[128]; int depth = 128; int ret; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); if ((ret = unw_tdep_trace(&cur, addrs, &depth)) < 0) { depth = 0; unw_getcontext(&ctx); unw_init_local(&cur, &ctx); while ((ret = unw_step(&cur)) > 0 && depth < 128) { unw_word_t ip; unw_get_reg(&cur, UNW_REG_IP, &ip); addresses[depth++] = (void *) ip; } } */ HIDDEN int tdep_trace (unw_cursor_t *cursor, void **buffer, int *size) { struct cursor *c = (struct cursor *) cursor; struct dwarf_cursor *d = &c->dwarf; unw_trace_cache_t *cache; unw_word_t fp, sp, pc, cfa, lr; int maxdepth = 0; int depth = 0; int ret; /* Check input parametres. */ if (unlikely(! cursor || ! buffer || ! size || (maxdepth = *size) <= 0)) return -UNW_EINVAL; Debug (1, "begin ip 0x%lx cfa 0x%lx\n", d->ip, d->cfa); /* Tell core dwarf routines to call back to us. */ d->stash_frames = 1; /* Determine initial register values. These are direct access safe because we know they come from the initial machine context. */ pc = d->ip; sp = cfa = d->cfa; ACCESS_MEM_FAST(ret, 0, d, DWARF_GET_LOC(d->loc[UNW_AARCH64_X29]), fp); assert(ret == 0); lr = 0; /* Get frame cache. */ if (unlikely(! (cache = trace_cache_get()))) { Debug (1, "returning %d, cannot get trace cache\n", -UNW_ENOMEM); *size = 0; d->stash_frames = 0; return -UNW_ENOMEM; } /* Trace the stack upwards, starting from current RIP. Adjust the RIP address for previous/next instruction as the main unwinding logic would also do. We undo this before calling back into unw_step(). */ while (depth < maxdepth) { pc -= d->use_prev_instr; Debug (2, "depth %d cfa 0x%lx pc 0x%lx sp 0x%lx fp 0x%lx\n", depth, cfa, pc, sp, fp); /* See if we have this address cached. If not, evaluate enough of the dwarf unwind information to fill the cache line data, or to decide this frame cannot be handled in fast trace mode. We cache negative results too to prevent unnecessary dwarf parsing for common failures. */ unw_tdep_frame_t *f = trace_lookup (cursor, cache, cfa, pc, fp, sp); /* If we don't have information for this frame, give up. */ if (unlikely(! f)) { ret = -UNW_ENOINFO; break; } Debug (3, "frame va %lx type %d last %d cfa %s+%d fp @ cfa%+d lr @ cfa%+d sp @ cfa%+d\n", f->virtual_address, f->frame_type, f->last_frame, f->cfa_reg_sp ? "sp" : "fp", f->cfa_reg_offset, f->fp_cfa_offset, f->lr_cfa_offset, f->sp_cfa_offset); assert (f->virtual_address == pc); /* Stop if this was the last frame. In particular don't evaluate new register values as it may not be safe - we don't normally run with full validation on, and do not want to - and there's enough bad unwind info floating around that we need to trust what unw_step() previously said, in potentially bogus frames. */ if (f->last_frame) break; /* Evaluate CFA and registers for the next frame. */ switch (f->frame_type) { case UNW_AARCH64_FRAME_GUESSED: /* Fall thru to standard processing after forcing validation. */ c->validate = 1; case UNW_AARCH64_FRAME_STANDARD: /* Advance standard traceable frame. */ cfa = (f->cfa_reg_sp ? sp : fp) + f->cfa_reg_offset; if (likely(f->lr_cfa_offset != -1)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + f->lr_cfa_offset, pc); else if (lr != 0) { /* Use the saved link register as the new pc. */ pc = lr; lr = 0; } if (likely(ret >= 0) && likely(f->fp_cfa_offset != -1)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + f->fp_cfa_offset, fp); /* Don't bother reading SP from DWARF, CFA becomes new SP. */ sp = cfa; /* Next frame needs to back up for unwind info lookup. */ d->use_prev_instr = 1; break; case UNW_AARCH64_FRAME_SIGRETURN: cfa = cfa + f->cfa_reg_offset; /* cfa now points to ucontext_t. */ ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_PC_OFF, pc); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_X29_OFF, fp); if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_SP_OFF, sp); /* Save the link register here in case we end up in a function that doesn't save the link register in the prologue, e.g. kill. */ if (likely(ret >= 0)) ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_X30_OFF, lr); /* Resume stack at signal restoration point. The stack is not necessarily continuous here, especially with sigaltstack(). */ cfa = sp; /* Next frame should not back up. */ d->use_prev_instr = 0; break; default: /* We cannot trace through this frame, give up and tell the caller we had to stop. Data collected so far may still be useful to the caller, so let it know how far we got. */ ret = -UNW_ESTOPUNWIND; break; } Debug (4, "new cfa 0x%lx pc 0x%lx sp 0x%lx fp 0x%lx\n", cfa, pc, sp, fp); /* If we failed or ended up somewhere bogus, stop. */ if (unlikely(ret < 0 || pc < 0x4000)) break; /* Record this address in stack trace. We skipped the first address. */ buffer[depth++] = (void *) (pc - d->use_prev_instr); } #if UNW_DEBUG Debug (1, "returning %d, depth %d\n", ret, depth); #endif *size = depth; return ret; } libunwind-1.3.2/src/aarch64/regname.c0000644000175000017500000000663713406755365014264 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *const regname[] = { [UNW_AARCH64_X0] = "x0", [UNW_AARCH64_X1] = "x1", [UNW_AARCH64_X2] = "x2", [UNW_AARCH64_X3] = "x3", [UNW_AARCH64_X4] = "x4", [UNW_AARCH64_X5] = "x5", [UNW_AARCH64_X6] = "x6", [UNW_AARCH64_X7] = "x7", [UNW_AARCH64_X8] = "x8", [UNW_AARCH64_X9] = "x9", [UNW_AARCH64_X10] = "x10", [UNW_AARCH64_X11] = "x11", [UNW_AARCH64_X12] = "x12", [UNW_AARCH64_X13] = "x13", [UNW_AARCH64_X14] = "x14", [UNW_AARCH64_X15] = "x15", [UNW_AARCH64_X16] = "ip0", [UNW_AARCH64_X17] = "ip1", [UNW_AARCH64_X18] = "x18", [UNW_AARCH64_X19] = "x19", [UNW_AARCH64_X20] = "x20", [UNW_AARCH64_X21] = "x21", [UNW_AARCH64_X22] = "x22", [UNW_AARCH64_X23] = "x23", [UNW_AARCH64_X24] = "x24", [UNW_AARCH64_X25] = "x25", [UNW_AARCH64_X26] = "x26", [UNW_AARCH64_X27] = "x27", [UNW_AARCH64_X28] = "x28", [UNW_AARCH64_X29] = "fp", [UNW_AARCH64_X30] = "lr", [UNW_AARCH64_SP] = "sp", [UNW_AARCH64_PC] = "pc", [UNW_AARCH64_V0] = "v0", [UNW_AARCH64_V1] = "v1", [UNW_AARCH64_V2] = "v2", [UNW_AARCH64_V3] = "v3", [UNW_AARCH64_V4] = "v4", [UNW_AARCH64_V5] = "v5", [UNW_AARCH64_V6] = "v6", [UNW_AARCH64_V7] = "v7", [UNW_AARCH64_V8] = "v8", [UNW_AARCH64_V9] = "v9", [UNW_AARCH64_V10] = "v10", [UNW_AARCH64_V11] = "v11", [UNW_AARCH64_V12] = "v12", [UNW_AARCH64_V13] = "v13", [UNW_AARCH64_V14] = "v14", [UNW_AARCH64_V15] = "v15", [UNW_AARCH64_V16] = "v16", [UNW_AARCH64_V17] = "v17", [UNW_AARCH64_V18] = "v18", [UNW_AARCH64_V19] = "v19", [UNW_AARCH64_V20] = "v20", [UNW_AARCH64_V21] = "v21", [UNW_AARCH64_V22] = "v22", [UNW_AARCH64_V23] = "v23", [UNW_AARCH64_V24] = "v24", [UNW_AARCH64_V25] = "v25", [UNW_AARCH64_V26] = "v26", [UNW_AARCH64_V27] = "v27", [UNW_AARCH64_V28] = "v28", [UNW_AARCH64_V29] = "v29", [UNW_AARCH64_V30] = "v30", [UNW_AARCH64_V31] = "v31", [UNW_AARCH64_FPSR] = "fpsr", [UNW_AARCH64_FPCR] = "fpcr", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL) return regname[reg]; else return "???"; } libunwind-1.3.2/src/aarch64/Ginit_remote.c0000644000175000017500000000304713406755365015263 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/aarch64/Linit_remote.c0000644000175000017500000000021013406556425015251 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/aarch64/Gstep.c0000644000175000017500000001675313406755365013730 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2011-2013 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" /* Recognise PLT entries such as: 40ddf0: b0000570 adrp x16, 4ba000 <_GLOBAL_OFFSET_TABLE_+0x2a8> 40ddf4: f9433611 ldr x17, [x16,#1640] 40ddf8: 9119a210 add x16, x16, #0x668 40ddfc: d61f0220 br x17 */ static int is_plt_entry (struct dwarf_cursor *c) { unw_word_t w0, w1; unw_accessors_t *a; int ret; a = unw_get_accessors_int (c->as); if ((ret = (*a->access_mem) (c->as, c->ip, &w0, 0, c->as_arg)) < 0 || (ret = (*a->access_mem) (c->as, c->ip + 8, &w1, 0, c->as_arg)) < 0) return 0; ret = (((w0 & 0xff0000009f000000) == 0xf900000090000000) && ((w1 & 0xffffffffff000000) == 0xd61f022091000000)); Debug (14, "ip=0x%lx => 0x%016lx 0x%016lx, ret = %d\n", c->ip, w0, w1, ret); return ret; } static int aarch64_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa; struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0); if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0) return -UNW_EUNSPEC; ret = unw_is_signal_frame (cursor); Debug(1, "unw_is_signal_frame()=%d\n", ret); /* Save the SP and PC to be able to return execution at this point later in time (unw_resume). */ c->sigcontext_sp = c->dwarf.cfa; c->sigcontext_pc = c->dwarf.ip; if (ret) { c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME; sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF; } else return -UNW_EUNSPEC; c->sigcontext_addr = sc_addr; c->frame_info.frame_type = UNW_AARCH64_FRAME_SIGRETURN; c->frame_info.cfa_reg_offset = sc_addr - sp_addr; /* Update the dwarf cursor. Set the location of the registers to the corresponding addresses of the uc_mcontext / sigcontext structure contents. */ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0); c->dwarf.loc[UNW_AARCH64_X1] = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0); c->dwarf.loc[UNW_AARCH64_X2] = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0); c->dwarf.loc[UNW_AARCH64_X3] = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0); c->dwarf.loc[UNW_AARCH64_X4] = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0); c->dwarf.loc[UNW_AARCH64_X5] = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0); c->dwarf.loc[UNW_AARCH64_X6] = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0); c->dwarf.loc[UNW_AARCH64_X7] = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0); c->dwarf.loc[UNW_AARCH64_X8] = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0); c->dwarf.loc[UNW_AARCH64_X9] = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0); c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0); c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0); c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0); c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0); c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0); c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0); c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0); c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0); c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0); c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0); c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0); c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0); c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0); c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0); c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0); c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0); c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0); c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0); c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0); c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0); c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0); c->dwarf.loc[UNW_AARCH64_SP] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0); c->dwarf.loc[UNW_AARCH64_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0); c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0); /* Set SP/CFA and PC/IP. */ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); c->dwarf.pi_valid = 0; c->dwarf.use_prev_instr = 0; return 1; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n", c, c->dwarf.ip, c->dwarf.cfa); /* Check if this is a signal frame. */ if (unw_is_signal_frame (cursor) > 0) return aarch64_handle_signal_frame (cursor); ret = dwarf_step (&c->dwarf); Debug(1, "dwarf_step()=%d\n", ret); if (unlikely (ret == -UNW_ESTOPUNWIND)) return ret; if (unlikely (ret < 0)) { /* DWARF failed. */ if (is_plt_entry (&c->dwarf)) { Debug (2, "found plt entry\n"); c->frame_info.frame_type = UNW_AARCH64_FRAME_STANDARD; } else { Debug (2, "fallback\n"); c->frame_info.frame_type = UNW_AARCH64_FRAME_GUESSED; } /* Use link register (X30). */ c->frame_info.cfa_reg_offset = 0; c->frame_info.cfa_reg_sp = 0; c->frame_info.fp_cfa_offset = -1; c->frame_info.lr_cfa_offset = -1; c->frame_info.sp_cfa_offset = -1; c->dwarf.loc[UNW_AARCH64_PC] = c->dwarf.loc[UNW_AARCH64_X30]; c->dwarf.loc[UNW_AARCH64_X30] = DWARF_NULL_LOC; if (!DWARF_IS_NULL_LOC (c->dwarf.loc[UNW_AARCH64_PC])) { ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); if (ret < 0) { Debug (2, "failed to get pc from link register: %d\n", ret); return ret; } Debug (2, "link register (x30) = 0x%016lx\n", c->dwarf.ip); ret = 1; } else c->dwarf.ip = 0; } return (c->dwarf.ip == 0) ? 0 : 1; } libunwind-1.3.2/src/aarch64/Linit_local.c0000644000175000017500000000020713406556425015056 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/aarch64/Gis_signal_frame.c0000644000175000017500000000355213406755365016070 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* The restorer stub will always have the form: d2801168 movz x8, #0x8b d4000001 svc #0x0 */ int unw_is_signal_frame (unw_cursor_t *cursor) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_word_t w0, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; ip = c->dwarf.ip; ret = (*a->access_mem) (as, ip, &w0, 0, arg); if (ret < 0) return ret; /* FIXME: distinguish 32bit insn vs 64bit registers. */ if (w0 != 0xd4000001d2801168) return 0; return 1; #else return -UNW_ENOINFO; #endif } libunwind-1.3.2/src/aarch64/Linit.c0000644000175000017500000000020113406556425013676 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/aarch64/Ginit.c0000644000175000017500000001232713640667603013706 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static inline void * uc_addr (ucontext_t *uc, int reg) { if (reg >= UNW_AARCH64_X0 && reg < UNW_AARCH64_V0) return &uc->uc_mcontext.regs[reg]; else if (reg >= UNW_AARCH64_V0 && reg <= UNW_AARCH64_V31) return &GET_FPCTX(uc)->vregs[reg - UNW_AARCH64_V0]; else return NULL; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (16, "mem[%lx] <- %lx\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (16, "mem[%lx] -> %lx\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if (unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %lx\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %lx\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void aarch64_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = aarch64_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN); unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/aarch64/Gglobal.c0000644000175000017500000000341613406556425014201 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (aarch64_lock); HIDDEN int tdep_init_done; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&aarch64_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY aarch64_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&aarch64_lock, saved_mask); } libunwind-1.3.2/src/aarch64/Lstep.c0000644000175000017500000000020113406556425013706 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/aarch64/siglongjmp.S0000644000175000017500000000036413406556425014762 00000000000000 /* Dummy implementation for now. */ .global _UI_siglongjmp_cont .global _UI_longjmp_cont _UI_siglongjmp_cont: _UI_longjmp_cont: ret #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",%progbits #endif libunwind-1.3.2/src/aarch64/Lget_save_loc.c0000644000175000017500000000021113406556425015366 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/aarch64/Lglobal.c0000644000175000017500000000020313406556425014175 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/aarch64/Gresume.c0000644000175000017500000001505513640667603014244 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2011-2013 Linaro Limited Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #ifndef UNW_REMOTE_ONLY HIDDEN inline int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { #ifdef __linux__ struct cursor *c = (struct cursor *) cursor; unw_tdep_context_t *uc = c->dwarf.as_arg; if (c->sigcontext_format == AARCH64_SCF_NONE) { /* Since there are no signals involved here we restore EH and non scratch registers only. */ unsigned long regs[24]; regs[0] = uc->uc_mcontext.regs[0]; regs[1] = uc->uc_mcontext.regs[1]; regs[2] = uc->uc_mcontext.regs[2]; regs[3] = uc->uc_mcontext.regs[3]; regs[4] = uc->uc_mcontext.regs[19]; regs[5] = uc->uc_mcontext.regs[20]; regs[6] = uc->uc_mcontext.regs[21]; regs[7] = uc->uc_mcontext.regs[22]; regs[8] = uc->uc_mcontext.regs[23]; regs[9] = uc->uc_mcontext.regs[24]; regs[10] = uc->uc_mcontext.regs[25]; regs[11] = uc->uc_mcontext.regs[26]; regs[12] = uc->uc_mcontext.regs[27]; regs[13] = uc->uc_mcontext.regs[28]; regs[14] = uc->uc_mcontext.regs[29]; /* FP */ regs[15] = uc->uc_mcontext.regs[30]; /* LR */ regs[16] = GET_FPCTX(uc)->vregs[8]; regs[17] = GET_FPCTX(uc)->vregs[9]; regs[18] = GET_FPCTX(uc)->vregs[10]; regs[19] = GET_FPCTX(uc)->vregs[11]; regs[20] = GET_FPCTX(uc)->vregs[12]; regs[21] = GET_FPCTX(uc)->vregs[13]; regs[22] = GET_FPCTX(uc)->vregs[14]; regs[23] = GET_FPCTX(uc)->vregs[15]; unsigned long sp = uc->uc_mcontext.sp; struct regs_overlay { char x[sizeof(regs)]; }; asm volatile ( "mov x4, %0\n" "mov x5, %1\n" "ldp x0, x1, [x4]\n" "ldp x2, x3, [x4,16]\n" "ldp x19, x20, [x4,32]\n" "ldp x21, x22, [x4,48]\n" "ldp x23, x24, [x4,64]\n" "ldp x25, x26, [x4,80]\n" "ldp x27, x28, [x4,96]\n" "ldp x29, x30, [x4,112]\n" "ldp d8, d9, [x4,128]\n" "ldp d10, d11, [x4,144]\n" "ldp d12, d13, [x4,160]\n" "ldp d14, d15, [x4,176]\n" "mov sp, x5\n" "ret \n" : : "r" (regs), "r" (sp), "m" (*(struct regs_overlay *)regs) ); } else { struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0]; if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1]; if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2]; if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3]; sc->regs[4] = uc->uc_mcontext.regs[4]; sc->regs[5] = uc->uc_mcontext.regs[5]; sc->regs[6] = uc->uc_mcontext.regs[6]; sc->regs[7] = uc->uc_mcontext.regs[7]; sc->regs[8] = uc->uc_mcontext.regs[8]; sc->regs[9] = uc->uc_mcontext.regs[9]; sc->regs[10] = uc->uc_mcontext.regs[10]; sc->regs[11] = uc->uc_mcontext.regs[11]; sc->regs[12] = uc->uc_mcontext.regs[12]; sc->regs[13] = uc->uc_mcontext.regs[13]; sc->regs[14] = uc->uc_mcontext.regs[14]; sc->regs[15] = uc->uc_mcontext.regs[15]; sc->regs[16] = uc->uc_mcontext.regs[16]; sc->regs[17] = uc->uc_mcontext.regs[17]; sc->regs[18] = uc->uc_mcontext.regs[18]; sc->regs[19] = uc->uc_mcontext.regs[19]; sc->regs[20] = uc->uc_mcontext.regs[20]; sc->regs[21] = uc->uc_mcontext.regs[21]; sc->regs[22] = uc->uc_mcontext.regs[22]; sc->regs[23] = uc->uc_mcontext.regs[23]; sc->regs[24] = uc->uc_mcontext.regs[24]; sc->regs[25] = uc->uc_mcontext.regs[25]; sc->regs[26] = uc->uc_mcontext.regs[26]; sc->regs[27] = uc->uc_mcontext.regs[27]; sc->regs[28] = uc->uc_mcontext.regs[28]; sc->regs[29] = uc->uc_mcontext.regs[29]; sc->regs[30] = uc->uc_mcontext.regs[30]; sc->sp = uc->uc_mcontext.sp; sc->pc = uc->uc_mcontext.pc; sc->pstate = uc->uc_mcontext.pstate; asm volatile ( "mov sp, %0\n" "ret %1\n" : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) ); } unreachable(); #else printf ("%s: implement me\n", __FUNCTION__); #endif return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ static inline void establish_machine_state (struct cursor *c) { unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_AARCH64_V31; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) as->acc.access_fpreg (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) as->acc.access_reg (as, reg, &val, 1, arg); } } } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; Debug (1, "(cursor=%p)\n", c); if (!c->dwarf.ip) { /* This can happen easily when the frame-chain gets truncated due to bad or missing unwind-info. */ Debug (1, "refusing to resume execution at address 0\n"); return -UNW_EINVAL; } establish_machine_state (c); return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/aarch64/Ltrace.c0000644000175000017500000000020213406556425014032 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gtrace.c" #endif libunwind-1.3.2/src/aarch64/Gcreate_addr_space.c0000644000175000017500000000352213406755365016353 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* AArch64 supports little-endian and big-endian. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; /* Default to little-endian for AArch64. */ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN) as->big_endian = 0; else as->big_endian = 1; return as; #endif } libunwind-1.3.2/src/aarch64/offsets.h0000644000175000017500000000330313406556425014303 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* Offsets for AArch64 Linux "ucontext_t": */ #define LINUX_UC_FLAGS_OFF 0x0 #define LINUX_UC_LINK_OFF 0x8 #define LINUX_UC_STACK_OFF 0x10 #define LINUX_UC_SIGMASK_OFF 0x28 #define LINUX_UC_MCONTEXT_OFF 0xb0 /* Offsets for AArch64 Linux "struct sigcontext": */ #define LINUX_SC_FAULTADDRESS_OFF 0x00 #define LINUX_SC_X0_OFF 0x008 #define LINUX_SC_X1_OFF 0x010 #define LINUX_SC_X2_OFF 0x018 #define LINUX_SC_X3_OFF 0x020 #define LINUX_SC_X4_OFF 0x028 #define LINUX_SC_X5_OFF 0x030 #define LINUX_SC_X6_OFF 0x038 #define LINUX_SC_X7_OFF 0x040 #define LINUX_SC_X8_OFF 0x048 #define LINUX_SC_X9_OFF 0x050 #define LINUX_SC_X10_OFF 0x058 #define LINUX_SC_X11_OFF 0x060 #define LINUX_SC_X12_OFF 0x068 #define LINUX_SC_X13_OFF 0x070 #define LINUX_SC_X14_OFF 0x078 #define LINUX_SC_X15_OFF 0x080 #define LINUX_SC_X16_OFF 0x088 #define LINUX_SC_X17_OFF 0x090 #define LINUX_SC_X18_OFF 0x098 #define LINUX_SC_X19_OFF 0x0a0 #define LINUX_SC_X20_OFF 0x0a8 #define LINUX_SC_X21_OFF 0x0b0 #define LINUX_SC_X22_OFF 0x0b8 #define LINUX_SC_X23_OFF 0x0c0 #define LINUX_SC_X24_OFF 0x0c8 #define LINUX_SC_X25_OFF 0x0d0 #define LINUX_SC_X26_OFF 0x0d8 #define LINUX_SC_X27_OFF 0x0e0 #define LINUX_SC_X28_OFF 0x0e8 #define LINUX_SC_X29_OFF 0x0f0 #define LINUX_SC_X30_OFF 0x0f8 #define LINUX_SC_SP_OFF 0x100 #define LINUX_SC_PC_OFF 0x108 #define LINUX_SC_PSTATE_OFF 0x110 libunwind-1.3.2/src/aarch64/Lis_signal_frame.c0000644000175000017500000000021413406556425016061 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/aarch64/Lreg_states_iterate.c0000644000175000017500000000021713406755365016623 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/aarch64/Gget_proc_info.c0000644000175000017500000000260113406755365015555 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; ret = dwarf_make_proc_info (&c->dwarf); if (ret < 0) return ret; *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/aarch64/getcontext.S0000644000175000017500000000402413406556425014772 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 Google, Inc Contributed by Paul Pluzhnikov Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" /* int _Uaarch64_getcontext_trace (unw_tdep_context_t *ucp) Saves limited machine context in UCP necessary for fast trace. If fast trace fails, caller will have to get the full context. */ .global _Uaarch64_getcontext_trace .hidden _Uaarch64_getcontext_trace .type _Uaarch64_getcontext_trace, @function _Uaarch64_getcontext_trace: .cfi_startproc /* Save only FP, SP, PC - exclude this call. */ str x29, [x0, #(LINUX_UC_MCONTEXT_OFF + LINUX_SC_X29_OFF)] mov x9, sp str x9, [x0, #(LINUX_UC_MCONTEXT_OFF + LINUX_SC_SP_OFF)] str x30, [x0, #(LINUX_UC_MCONTEXT_OFF + LINUX_SC_PC_OFF)] ret .cfi_endproc .size _Uaarch64_getcontext_trace, . - _Uaarch64_getcontext_trace /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/aarch64/Gapply_reg_state.c0000644000175000017500000000300513406755365016121 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/aarch64/Lcreate_addr_space.c0000644000175000017500000000021613406556425016351 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/aarch64/Lget_proc_info.c0000644000175000017500000000021213406556425015552 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/aarch64/is_fpreg.c0000644000175000017500000000244113406755365014431 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31); } libunwind-1.3.2/src/aarch64/Gregs.c0000644000175000017500000000650613406755365013710 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; unsigned int mask; switch (reg) { case UNW_AARCH64_X0: case UNW_AARCH64_X1: case UNW_AARCH64_X2: case UNW_AARCH64_X3: mask = 1 << reg; if (write) { c->dwarf.eh_args[reg] = *valp; c->dwarf.eh_valid_mask |= mask; return 0; } else if ((c->dwarf.eh_valid_mask & mask) != 0) { *valp = c->dwarf.eh_args[reg]; return 0; } else loc = c->dwarf.loc[reg]; break; case UNW_AARCH64_X30: if (write) c->dwarf.ip = *valp; /* update the IP cache */ case UNW_AARCH64_X4: case UNW_AARCH64_X5: case UNW_AARCH64_X6: case UNW_AARCH64_X7: case UNW_AARCH64_X8: case UNW_AARCH64_X9: case UNW_AARCH64_X10: case UNW_AARCH64_X11: case UNW_AARCH64_X12: case UNW_AARCH64_X13: case UNW_AARCH64_X14: case UNW_AARCH64_X15: case UNW_AARCH64_X16: case UNW_AARCH64_X17: case UNW_AARCH64_X18: case UNW_AARCH64_X19: case UNW_AARCH64_X20: case UNW_AARCH64_X21: case UNW_AARCH64_X22: case UNW_AARCH64_X23: case UNW_AARCH64_X24: case UNW_AARCH64_X25: case UNW_AARCH64_X26: case UNW_AARCH64_X27: case UNW_AARCH64_X28: case UNW_AARCH64_X29: case UNW_AARCH64_PC: case UNW_AARCH64_PSTATE: loc = c->dwarf.loc[reg]; break; case UNW_AARCH64_SP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { dwarf_loc_t loc = c->dwarf.loc[reg]; if (write) return dwarf_putfp (&c->dwarf, loc, *valp); else return dwarf_getfp (&c->dwarf, loc, valp); } libunwind-1.3.2/src/aarch64/Lresume.c0000644000175000017500000000020313406556425014235 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/aarch64/init.h0000644000175000017500000001576413406755365013617 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret, i; c->dwarf.loc[UNW_AARCH64_X0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0); c->dwarf.loc[UNW_AARCH64_X1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1); c->dwarf.loc[UNW_AARCH64_X2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2); c->dwarf.loc[UNW_AARCH64_X3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3); c->dwarf.loc[UNW_AARCH64_X4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4); c->dwarf.loc[UNW_AARCH64_X5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5); c->dwarf.loc[UNW_AARCH64_X6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6); c->dwarf.loc[UNW_AARCH64_X7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7); c->dwarf.loc[UNW_AARCH64_X8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8); c->dwarf.loc[UNW_AARCH64_X9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9); c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10); c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11); c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12); c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13); c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14); c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15); c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16); c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17); c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18); c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19); c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20); c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21); c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22); c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23); c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24); c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25); c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26); c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27); c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28); c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29); c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30); c->dwarf.loc[UNW_AARCH64_SP] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP); c->dwarf.loc[UNW_AARCH64_PC] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC); c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PSTATE); c->dwarf.loc[UNW_AARCH64_V0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0); c->dwarf.loc[UNW_AARCH64_V1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1); c->dwarf.loc[UNW_AARCH64_V2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2); c->dwarf.loc[UNW_AARCH64_V3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3); c->dwarf.loc[UNW_AARCH64_V4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4); c->dwarf.loc[UNW_AARCH64_V5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5); c->dwarf.loc[UNW_AARCH64_V6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6); c->dwarf.loc[UNW_AARCH64_V7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7); c->dwarf.loc[UNW_AARCH64_V8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8); c->dwarf.loc[UNW_AARCH64_V9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9); c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10); c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11); c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12); c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13); c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14); c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15); c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16); c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17); c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18); c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19); c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20); c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21); c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22); c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23); c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24); c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25); c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26); c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27); c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28); c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29); c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30); c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31); for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = AARCH64_SCF_NONE; c->sigcontext_addr = 0; c->sigcontext_sp = 0; c->sigcontext_pc = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/elfxx.h0000644000175000017500000000634113406755365012541 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003, 2005 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include "libunwind_i.h" #if ELF_CLASS == ELFCLASS32 # define ELF_W(x) ELF32_##x # define Elf_W(x) Elf32_##x # define elf_w(x) _Uelf32_##x #else # define ELF_W(x) ELF64_##x # define Elf_W(x) Elf64_##x # define elf_w(x) _Uelf64_##x #endif extern int elf_w (get_proc_name) (unw_addr_space_t as, pid_t pid, unw_word_t ip, char *buf, size_t len, unw_word_t *offp); extern int elf_w (get_proc_name_in_image) (unw_addr_space_t as, struct elf_image *ei, unsigned long segbase, unsigned long mapoff, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp); extern Elf_W (Shdr)* elf_w (find_section) (struct elf_image *ei, const char* secname); extern int elf_w (load_debuglink) (const char* file, struct elf_image *ei, int is_local); static inline int elf_w (valid_object) (struct elf_image *ei) { if (ei->size <= EI_VERSION) return 0; return (memcmp (ei->image, ELFMAG, SELFMAG) == 0 && ((uint8_t *) ei->image)[EI_CLASS] == ELF_CLASS && ((uint8_t *) ei->image)[EI_VERSION] != EV_NONE && ((uint8_t *) ei->image)[EI_VERSION] <= EV_CURRENT); } static inline int elf_map_image (struct elf_image *ei, const char *path) { struct stat stat; int fd; fd = open (path, O_RDONLY); if (fd < 0) return -1; if (fstat (fd, &stat) < 0) { close (fd); return -1; } ei->size = stat.st_size; ei->image = mmap (NULL, ei->size, PROT_READ, MAP_PRIVATE, fd, 0); close (fd); if (ei->image == MAP_FAILED) return -1; if (!elf_w (valid_object) (ei)) { munmap(ei->image, ei->size); return -1; } return 0; } libunwind-1.3.2/src/elf32.c0000644000175000017500000000010713406556425012307 00000000000000#ifndef UNW_REMOTE_ONLY # include "elf32.h" # include "elfxx.c" #endif libunwind-1.3.2/src/os-linux.c0000644000175000017500000000405213406755365013161 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "libunwind_i.h" #include "os-linux.h" int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen) { struct map_iterator mi; int found = 0, rc; unsigned long hi; if (maps_init (&mi, pid) < 0) return -1; while (maps_next (&mi, segbase, &hi, mapoff)) if (ip >= *segbase && ip < hi) { found = 1; break; } if (!found) { maps_close (&mi); return -1; } if (path) { strncpy(path, mi.path, pathlen); } rc = elf_map_image (ei, mi.path); maps_close (&mi); return rc; } #ifndef UNW_REMOTE_ONLY void tdep_get_exe_image_path (char *path) { strcpy(path, "/proc/self/exe"); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ppc64/0000755000175000017500000000000013640673450012244 500000000000000libunwind-1.3.2/src/ppc64/unwind_i.h0000644000175000017500000000365213406556425014161 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include #include #define ppc64_lock UNW_OBJ(lock) #define ppc64_local_resume UNW_OBJ(local_resume) #define ppc64_local_addr_space_init UNW_OBJ(local_addr_space_init) #if 0 #define ppc64_scratch_loc UNW_OBJ(scratch_loc) #endif extern void ppc64_local_addr_space_init (void); extern int ppc64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); #if 0 extern dwarf_loc_t ppc64_scratch_loc (struct cursor *c, unw_regnum_t reg); #endif #endif /* unwind_i_h */ libunwind-1.3.2/src/ppc64/Lapply_reg_state.c0000644000175000017500000000021413406755365015631 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/ppc64/Greg_states_iterate.c0000644000175000017500000000277613406755365016336 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/ppc64/Lregs.c0000644000175000017500000000020113406556425013377 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/ppc64/regname.c0000644000175000017500000001120313406755365013751 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static const char *regname[] = { [UNW_PPC64_R0]="GPR0", [UNW_PPC64_R1]="GPR1", [UNW_PPC64_R2]="GPR2", [UNW_PPC64_R3]="GPR3", [UNW_PPC64_R4]="GPR4", [UNW_PPC64_R5]="GPR5", [UNW_PPC64_R6]="GPR6", [UNW_PPC64_R7]="GPR7", [UNW_PPC64_R8]="GPR8", [UNW_PPC64_R9]="GPR9", [UNW_PPC64_R10]="GPR10", [UNW_PPC64_R11]="GPR11", [UNW_PPC64_R12]="GPR12", [UNW_PPC64_R13]="GPR13", [UNW_PPC64_R14]="GPR14", [UNW_PPC64_R15]="GPR15", [UNW_PPC64_R16]="GPR16", [UNW_PPC64_R17]="GPR17", [UNW_PPC64_R18]="GPR18", [UNW_PPC64_R19]="GPR19", [UNW_PPC64_R20]="GPR20", [UNW_PPC64_R21]="GPR21", [UNW_PPC64_R22]="GPR22", [UNW_PPC64_R23]="GPR23", [UNW_PPC64_R24]="GPR24", [UNW_PPC64_R25]="GPR25", [UNW_PPC64_R26]="GPR26", [UNW_PPC64_R27]="GPR27", [UNW_PPC64_R28]="GPR28", [UNW_PPC64_R29]="GPR29", [UNW_PPC64_R30]="GPR30", [UNW_PPC64_R31]="GPR31", [UNW_PPC64_F0]="FPR0", [UNW_PPC64_F1]="FPR1", [UNW_PPC64_F2]="FPR2", [UNW_PPC64_F3]="FPR3", [UNW_PPC64_F4]="FPR4", [UNW_PPC64_F5]="FPR5", [UNW_PPC64_F6]="FPR6", [UNW_PPC64_F7]="FPR7", [UNW_PPC64_F8]="FPR8", [UNW_PPC64_F9]="FPR9", [UNW_PPC64_F10]="FPR10", [UNW_PPC64_F11]="FPR11", [UNW_PPC64_F12]="FPR12", [UNW_PPC64_F13]="FPR13", [UNW_PPC64_F14]="FPR14", [UNW_PPC64_F15]="FPR15", [UNW_PPC64_F16]="FPR16", [UNW_PPC64_F17]="FPR17", [UNW_PPC64_F18]="FPR18", [UNW_PPC64_F19]="FPR19", [UNW_PPC64_F20]="FPR20", [UNW_PPC64_F21]="FPR21", [UNW_PPC64_F22]="FPR22", [UNW_PPC64_F23]="FPR23", [UNW_PPC64_F24]="FPR24", [UNW_PPC64_F25]="FPR25", [UNW_PPC64_F26]="FPR26", [UNW_PPC64_F27]="FPR27", [UNW_PPC64_F28]="FPR28", [UNW_PPC64_F29]="FPR29", [UNW_PPC64_F30]="FPR30", [UNW_PPC64_F31]="FPR31", [UNW_PPC64_LR]="LR", [UNW_PPC64_CTR]="CTR", [UNW_PPC64_ARG_POINTER]="ARG_POINTER", [UNW_PPC64_CR0]="CR0", [UNW_PPC64_CR1]="CR1", [UNW_PPC64_CR2]="CR2", [UNW_PPC64_CR3]="CR3", [UNW_PPC64_CR4]="CR4", [UNW_PPC64_CR5]="CR5", [UNW_PPC64_CR6]="CR6", [UNW_PPC64_CR7]="CR7", [UNW_PPC64_XER]="XER", [UNW_PPC64_V0]="VR0", [UNW_PPC64_V1]="VR1", [UNW_PPC64_V2]="VR2", [UNW_PPC64_V3]="VR3", [UNW_PPC64_V4]="VR4", [UNW_PPC64_V5]="VR5", [UNW_PPC64_V6]="VR6", [UNW_PPC64_V7]="VR7", [UNW_PPC64_V8]="VR8", [UNW_PPC64_V9]="VR9", [UNW_PPC64_V10]="VR10", [UNW_PPC64_V11]="VR11", [UNW_PPC64_V12]="VR12", [UNW_PPC64_V13]="VR13", [UNW_PPC64_V14]="VR14", [UNW_PPC64_V15]="VR15", [UNW_PPC64_V16]="VR16", [UNW_PPC64_V17]="VR17", [UNW_PPC64_V18]="VR18", [UNW_PPC64_V19]="VR19", [UNW_PPC64_V20]="VR20", [UNW_PPC64_V21]="VR21", [UNW_PPC64_V22]="VR22", [UNW_PPC64_V23]="VR23", [UNW_PPC64_V24]="VR24", [UNW_PPC64_V25]="VR25", [UNW_PPC64_V26]="VR26", [UNW_PPC64_V27]="VR27", [UNW_PPC64_V28]="VR28", [UNW_PPC64_V29]="VR29", [UNW_PPC64_V30]="VR30", [UNW_PPC64_V31]="VR31", [UNW_PPC64_VSCR]="VSCR", [UNW_PPC64_VRSAVE]="VRSAVE", [UNW_PPC64_SPE_ACC]="SPE_ACC", [UNW_PPC64_SPEFSCR]="SPEFSCR", [UNW_PPC64_FRAME_POINTER]="FRAME_POINTER", [UNW_PPC64_NIP]="NIP", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/ppc64/Gstep.c0000644000175000017500000005102213406755365013420 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "ucontext_i.h" #include "remote.h" #include /* This definition originates in /usr/include/asm-ppc64/ptrace.h, but is defined there only when __KERNEL__ is defined. We reproduce it here for our use at the user level in order to locate the ucontext record, which appears to be at this offset relative to the stack pointer when in the context of the signal handler return trampoline code - __kernel_sigtramp_rt64. */ #define __SIGNAL_FRAMESIZE 128 /* This definition comes from the document "64-bit PowerPC ELF Application Binary Interface Supplement 1.9", section 3.2.2. http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK */ typedef struct { long unsigned back_chain; long unsigned cr_save; long unsigned lr_save; /* many more fields here, but they are unused by this code */ } stack_frame_t; int unw_step (unw_cursor_t * cursor) { struct cursor *c = (struct cursor *) cursor; stack_frame_t dummy; unw_word_t back_chain_offset, lr_save_offset, v_regs_ptr; struct dwarf_loc back_chain_loc, lr_save_loc, sp_loc, ip_loc, v_regs_loc; int ret, i; Debug (1, "(cursor=%p, ip=0x%016lx)\n", c, (unsigned long) c->dwarf.ip); /* Try DWARF-based unwinding... */ ret = dwarf_step (&c->dwarf); if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } if (unlikely (ret < 0)) { if (likely (unw_is_signal_frame (cursor) <= 0)) { /* DWARF unwinding failed. As of 09/26/2006, gcc in 64-bit mode produces the mandatory level of traceback record in the code, but I get the impression that this is transitory, that eventually gcc will not produce any traceback records at all. So, for now, we won't bother to try to find and use these records. We can, however, attempt to unwind the frame by using the callback chain. This is very crude, however, and won't be able to unwind any registers besides the IP, SP, and LR . */ back_chain_offset = ((void *) &dummy.back_chain - (void *) &dummy); lr_save_offset = ((void *) &dummy.lr_save - (void *) &dummy); back_chain_loc = DWARF_LOC (c->dwarf.cfa + back_chain_offset, 0); if ((ret = dwarf_get (&c->dwarf, back_chain_loc, &c->dwarf.cfa)) < 0) { Debug (2, "Unable to retrieve CFA from back chain in stack frame - %d\n", ret); return ret; } if (c->dwarf.cfa == 0) /* Unless the cursor or stack is corrupt or uninitialized we've most likely hit the top of the stack */ return 0; lr_save_loc = DWARF_LOC (c->dwarf.cfa + lr_save_offset, 0); if ((ret = dwarf_get (&c->dwarf, lr_save_loc, &c->dwarf.ip)) < 0) { Debug (2, "Unable to retrieve IP from lr save in stack frame - %d\n", ret); return ret; } /* Mark all registers unsaved */ for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; ret = 1; } else { /* Find the sigcontext record by taking the CFA and adjusting by the dummy signal frame size. Note that there isn't any way to determined if SA_SIGINFO was set in the sa_flags parameter to sigaction when the signal handler was established. If it was not set, the ucontext record is not required to be on the stack, in which case the following code will likely cause a seg fault or other crash condition. */ unw_word_t ucontext = c->dwarf.cfa + __SIGNAL_FRAMESIZE; Debug (1, "signal frame, skip over trampoline\n"); c->sigcontext_format = PPC_SCF_LINUX_RT_SIGFRAME; c->sigcontext_addr = ucontext; sp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); ip_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_NIP, 0); ret = dwarf_get (&c->dwarf, sp_loc, &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } ret = dwarf_get (&c->dwarf, ip_loc, &c->dwarf.ip); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } /* Instead of just restoring the non-volatile registers, do all of the registers for now. This will incur a performance hit, but it's rare enough not to cause too much of a problem, and might be useful in some cases. */ c->dwarf.loc[UNW_PPC64_R0] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R0, 0); c->dwarf.loc[UNW_PPC64_R1] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); c->dwarf.loc[UNW_PPC64_R2] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R2, 0); c->dwarf.loc[UNW_PPC64_R3] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R3, 0); c->dwarf.loc[UNW_PPC64_R4] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R4, 0); c->dwarf.loc[UNW_PPC64_R5] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R5, 0); c->dwarf.loc[UNW_PPC64_R6] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R6, 0); c->dwarf.loc[UNW_PPC64_R7] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R7, 0); c->dwarf.loc[UNW_PPC64_R8] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0); c->dwarf.loc[UNW_PPC64_R9] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0); c->dwarf.loc[UNW_PPC64_R10] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0); c->dwarf.loc[UNW_PPC64_R11] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0); c->dwarf.loc[UNW_PPC64_R12] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0); c->dwarf.loc[UNW_PPC64_R13] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0); c->dwarf.loc[UNW_PPC64_R14] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0); c->dwarf.loc[UNW_PPC64_R15] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0); c->dwarf.loc[UNW_PPC64_R16] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R16, 0); c->dwarf.loc[UNW_PPC64_R17] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R17, 0); c->dwarf.loc[UNW_PPC64_R18] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R18, 0); c->dwarf.loc[UNW_PPC64_R19] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R19, 0); c->dwarf.loc[UNW_PPC64_R20] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R20, 0); c->dwarf.loc[UNW_PPC64_R21] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R21, 0); c->dwarf.loc[UNW_PPC64_R22] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R22, 0); c->dwarf.loc[UNW_PPC64_R23] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R23, 0); c->dwarf.loc[UNW_PPC64_R24] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R24, 0); c->dwarf.loc[UNW_PPC64_R25] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R25, 0); c->dwarf.loc[UNW_PPC64_R26] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R26, 0); c->dwarf.loc[UNW_PPC64_R27] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R27, 0); c->dwarf.loc[UNW_PPC64_R28] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R28, 0); c->dwarf.loc[UNW_PPC64_R29] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R29, 0); c->dwarf.loc[UNW_PPC64_R30] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R30, 0); c->dwarf.loc[UNW_PPC64_R31] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R31, 0); c->dwarf.loc[UNW_PPC64_LR] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_LINK, 0); c->dwarf.loc[UNW_PPC64_CTR] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CTR, 0); /* This CR0 assignment is probably wrong. There are 8 dwarf columns assigned to the CR registers, but only one CR register in the mcontext structure */ c->dwarf.loc[UNW_PPC64_CR0] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CCR, 0); c->dwarf.loc[UNW_PPC64_XER] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_XER, 0); c->dwarf.loc[UNW_PPC64_NIP] = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_NIP, 0); /* TODO: Is there a way of obtaining the value of the pseudo frame pointer (which is sp + some fixed offset, I assume), based on the contents of the ucontext record structure? For now, set this loc to null. */ c->dwarf.loc[UNW_PPC64_FRAME_POINTER] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_F0] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R0, 0); c->dwarf.loc[UNW_PPC64_F1] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R1, 0); c->dwarf.loc[UNW_PPC64_F2] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R2, 0); c->dwarf.loc[UNW_PPC64_F3] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R3, 0); c->dwarf.loc[UNW_PPC64_F4] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R4, 0); c->dwarf.loc[UNW_PPC64_F5] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R5, 0); c->dwarf.loc[UNW_PPC64_F6] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R6, 0); c->dwarf.loc[UNW_PPC64_F7] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R7, 0); c->dwarf.loc[UNW_PPC64_F8] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R8, 0); c->dwarf.loc[UNW_PPC64_F9] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R9, 0); c->dwarf.loc[UNW_PPC64_F10] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R10, 0); c->dwarf.loc[UNW_PPC64_F11] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R11, 0); c->dwarf.loc[UNW_PPC64_F12] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R12, 0); c->dwarf.loc[UNW_PPC64_F13] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R13, 0); c->dwarf.loc[UNW_PPC64_F14] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R14, 0); c->dwarf.loc[UNW_PPC64_F15] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R15, 0); c->dwarf.loc[UNW_PPC64_F16] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R16, 0); c->dwarf.loc[UNW_PPC64_F17] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R17, 0); c->dwarf.loc[UNW_PPC64_F18] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R18, 0); c->dwarf.loc[UNW_PPC64_F19] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R19, 0); c->dwarf.loc[UNW_PPC64_F20] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R20, 0); c->dwarf.loc[UNW_PPC64_F21] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R21, 0); c->dwarf.loc[UNW_PPC64_F22] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R22, 0); c->dwarf.loc[UNW_PPC64_F23] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R23, 0); c->dwarf.loc[UNW_PPC64_F24] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R24, 0); c->dwarf.loc[UNW_PPC64_F25] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R25, 0); c->dwarf.loc[UNW_PPC64_F26] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R26, 0); c->dwarf.loc[UNW_PPC64_F27] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R27, 0); c->dwarf.loc[UNW_PPC64_F28] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R28, 0); c->dwarf.loc[UNW_PPC64_F29] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R29, 0); c->dwarf.loc[UNW_PPC64_F30] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R30, 0); c->dwarf.loc[UNW_PPC64_F31] = DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R31, 0); /* Note that there is no .eh_section register column for the FPSCR register. I don't know why this is. */ v_regs_loc = DWARF_LOC (ucontext + UC_MCONTEXT_V_REGS, 0); ret = dwarf_get (&c->dwarf, v_regs_loc, &v_regs_ptr); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } if (v_regs_ptr != 0) { /* The v_regs_ptr is not null. Set all of the AltiVec locs */ c->dwarf.loc[UNW_PPC64_V0] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R0, 0); c->dwarf.loc[UNW_PPC64_V1] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R1, 0); c->dwarf.loc[UNW_PPC64_V2] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R2, 0); c->dwarf.loc[UNW_PPC64_V3] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R3, 0); c->dwarf.loc[UNW_PPC64_V4] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R4, 0); c->dwarf.loc[UNW_PPC64_V5] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R5, 0); c->dwarf.loc[UNW_PPC64_V6] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R6, 0); c->dwarf.loc[UNW_PPC64_V7] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R7, 0); c->dwarf.loc[UNW_PPC64_V8] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R8, 0); c->dwarf.loc[UNW_PPC64_V9] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R9, 0); c->dwarf.loc[UNW_PPC64_V10] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R10, 0); c->dwarf.loc[UNW_PPC64_V11] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R11, 0); c->dwarf.loc[UNW_PPC64_V12] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R12, 0); c->dwarf.loc[UNW_PPC64_V13] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R13, 0); c->dwarf.loc[UNW_PPC64_V14] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R14, 0); c->dwarf.loc[UNW_PPC64_V15] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R15, 0); c->dwarf.loc[UNW_PPC64_V16] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R16, 0); c->dwarf.loc[UNW_PPC64_V17] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R17, 0); c->dwarf.loc[UNW_PPC64_V18] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R18, 0); c->dwarf.loc[UNW_PPC64_V19] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R19, 0); c->dwarf.loc[UNW_PPC64_V20] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R20, 0); c->dwarf.loc[UNW_PPC64_V21] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R21, 0); c->dwarf.loc[UNW_PPC64_V22] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R22, 0); c->dwarf.loc[UNW_PPC64_V23] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R23, 0); c->dwarf.loc[UNW_PPC64_V24] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R24, 0); c->dwarf.loc[UNW_PPC64_V25] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R25, 0); c->dwarf.loc[UNW_PPC64_V26] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R26, 0); c->dwarf.loc[UNW_PPC64_V27] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R27, 0); c->dwarf.loc[UNW_PPC64_V28] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R28, 0); c->dwarf.loc[UNW_PPC64_V29] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R29, 0); c->dwarf.loc[UNW_PPC64_V30] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R30, 0); c->dwarf.loc[UNW_PPC64_V31] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R31, 0); c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_VRSAVE, 0); c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_VSCR, 0); } else { c->dwarf.loc[UNW_PPC64_V0] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V1] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V2] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V3] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V4] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V5] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V6] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V7] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V8] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V9] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V10] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V11] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V12] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V13] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V14] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V15] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V16] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V17] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V18] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V19] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V20] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V21] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V22] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V23] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V24] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V25] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V26] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V27] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V28] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V29] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V30] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_V31] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_NULL_LOC; c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_NULL_LOC; } ret = 1; } } if (c->dwarf.ip == 0) { /* Unless the cursor or stack is corrupt or uninitialized, we've most likely hit the top of the stack */ Debug (2, "returning 0\n"); return 0; } // on ppc64, R2 register is used as pointer to TOC // section which is used for symbol lookup in PIC code // ppc64 linker generates "ld r2, 40(r1)" (ELFv1) or // "ld r2, 24(r1)" (ELFv2) instruction after each // @plt call. We need restore R2, but only for @plt calls { unw_word_t ip = c->dwarf.ip; unw_addr_space_t as = c->dwarf.as; unw_accessors_t *a = unw_get_accessors_int (as); void *arg = c->dwarf.as_arg; uint32_t toc_save = (as->abi == UNW_PPC64_ABI_ELFv2)? 24 : 40; int32_t inst; if (fetch32 (as, a, &ip, &inst, arg) >= 0 && (uint32_t)inst == (0xE8410000U + toc_save)) { // @plt call, restoring R2 from CFA+toc_save c->dwarf.loc[UNW_PPC64_R2] = DWARF_LOC(c->dwarf.cfa + toc_save, 0); } } Debug (2, "returning %d with last return statement\n", ret); return ret; } libunwind-1.3.2/src/ppc64/Linit.c0000644000175000017500000000020113406556425013402 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/ppc64/ucontext_i.h0000644000175000017500000003020313406556425014516 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef ucontext_i_h #define ucontext_i_h #include /* These values were derived by reading /usr/src/linux-2.6.18-1.8/arch/um/include/sysdep-ppc/ptrace.h and /usr/src/linux-2.6.18-1.8/arch/powerpc/kernel/ppc32.h */ #define NIP_IDX 32 #define MSR_IDX 33 #define ORIG_GPR3_IDX 34 #define CTR_IDX 35 #define LINK_IDX 36 #define XER_IDX 37 #define CCR_IDX 38 #define SOFTE_IDX 39 #define TRAP_IDX 40 #define DAR_IDX 41 #define DSISR_IDX 42 #define RESULT_IDX 43 #define VSCR_IDX 32 #define VRSAVE_IDX 33 /* These are dummy structures used only for obtaining the offsets of the various structure members. */ static ucontext_t dmy_ctxt; static vrregset_t dmy_vrregset; #define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[0] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[1] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[2] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[3] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[4] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[5] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[6] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[7] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[8] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[9] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[10] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[11] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[12] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[13] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[14] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[15] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[16] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[17] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[18] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[19] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[20] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[21] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[22] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[23] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[24] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[25] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[26] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[27] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[28] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[29] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[30] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[31] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_NIP ((void *)&dmy_ctxt.uc_mcontext.gp_regs[NIP_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[MSR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[CTR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.uc_mcontext.gp_regs[LINK_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.uc_mcontext.gp_regs[XER_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[CCR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.uc_mcontext.gp_regs[SOFTE_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.uc_mcontext.gp_regs[TRAP_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[DAR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[DSISR_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.uc_mcontext.gp_regs[RESULT_IDX] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[0] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[1] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[2] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[3] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[4] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[5] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[6] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[7] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[8] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[9] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[10] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[11] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[12] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[13] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[14] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[15] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[16] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[17] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[18] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[19] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[20] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[21] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[22] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[23] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[24] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[25] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[26] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[27] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[28] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[29] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[30] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[31] - (void *)&dmy_ctxt) #define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.uc_mcontext.fp_regs[32] - (void *)&dmy_ctxt) #define UC_MCONTEXT_V_REGS ((void *)&dmy_ctxt.uc_mcontext.v_regs - (void *)&dmy_ctxt) #define UC_MCONTEXT_VREGS_R0 ((void *)&dmy_vrregset.vrregs[0] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R1 ((void *)&dmy_vrregset.vrregs[1] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R2 ((void *)&dmy_vrregset.vrregs[2] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R3 ((void *)&dmy_vrregset.vrregs[3] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R4 ((void *)&dmy_vrregset.vrregs[4] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R5 ((void *)&dmy_vrregset.vrregs[5] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R6 ((void *)&dmy_vrregset.vrregs[6] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R7 ((void *)&dmy_vrregset.vrregs[7] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R8 ((void *)&dmy_vrregset.vrregs[8] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R9 ((void *)&dmy_vrregset.vrregs[9] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R10 ((void *)&dmy_vrregset.vrregs[10] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R11 ((void *)&dmy_vrregset.vrregs[11] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R12 ((void *)&dmy_vrregset.vrregs[12] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R13 ((void *)&dmy_vrregset.vrregs[13] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R14 ((void *)&dmy_vrregset.vrregs[14] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R15 ((void *)&dmy_vrregset.vrregs[15] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R16 ((void *)&dmy_vrregset.vrregs[16] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R17 ((void *)&dmy_vrregset.vrregs[17] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R18 ((void *)&dmy_vrregset.vrregs[18] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R19 ((void *)&dmy_vrregset.vrregs[19] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R20 ((void *)&dmy_vrregset.vrregs[20] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R21 ((void *)&dmy_vrregset.vrregs[21] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R22 ((void *)&dmy_vrregset.vrregs[22] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R23 ((void *)&dmy_vrregset.vrregs[23] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R24 ((void *)&dmy_vrregset.vrregs[24] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R25 ((void *)&dmy_vrregset.vrregs[25] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R26 ((void *)&dmy_vrregset.vrregs[26] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R27 ((void *)&dmy_vrregset.vrregs[27] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R28 ((void *)&dmy_vrregset.vrregs[28] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R29 ((void *)&dmy_vrregset.vrregs[29] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R30 ((void *)&dmy_vrregset.vrregs[30] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_R31 ((void *)&dmy_vrregset.vrregs[31] - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_VSCR ((void *)&dmy_vrregset.vscr - (void *)&dmy_vrregset) #define UC_MCONTEXT_VREGS_VRSAVE ((void *)&dmy_vrregset.vrsave - (void *)&dmy_vrregset) #endif libunwind-1.3.2/src/ppc64/Ginit.c0000644000175000017500000001364513640667603013416 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "ucontext_i.h" #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; static void * uc_addr (ucontext_t *uc, int reg) { void *addr; if ((unsigned) (reg - UNW_PPC64_R0) < 32) addr = &uc->uc_mcontext.gp_regs[reg - UNW_PPC64_R0]; else if ((unsigned) (reg - UNW_PPC64_F0) < 32) addr = &uc->uc_mcontext.fp_regs[reg - UNW_PPC64_F0]; else if ((unsigned) (reg - UNW_PPC64_V0) < 32) addr = (uc->uc_mcontext.v_regs == 0) ? NULL : &uc->uc_mcontext.v_regs->vrregs[reg - UNW_PPC64_V0][0]; else { unsigned gregs_idx; switch (reg) { case UNW_PPC64_NIP: gregs_idx = NIP_IDX; break; case UNW_PPC64_CTR: gregs_idx = CTR_IDX; break; case UNW_PPC64_LR: gregs_idx = LINK_IDX; break; case UNW_PPC64_XER: gregs_idx = XER_IDX; break; case UNW_PPC64_CR0: gregs_idx = CCR_IDX; break; default: return NULL; } addr = &uc->uc_mcontext.gp_regs[gregs_idx]; } return addr; } # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { return uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (12, "mem[%lx] <- %lx\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (12, "mem[%lx] -> %lx\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = arg; if (UNW_PPC64_F0 <= reg && reg <= UNW_PPC64_F31) goto badreg; if (UNW_PPC64_V0 <= reg && reg <= UNW_PPC64_V31) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %lx\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %lx\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; /* Allow only 32 fregs and 32 vregs */ if (!(((unsigned) (reg - UNW_PPC64_F0) < 32) ||((unsigned) (reg - UNW_PPC64_V0) < 32))) goto badreg; addr = uc_addr (uc, reg); if (!addr) goto badreg; if (write) { Debug (12, "%s <- %016Lf\n", unw_regname (reg), *val); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %016Lf\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void ppc64_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN); #if _CALL_ELF == 2 local_addr_space.abi = UNW_PPC64_ABI_ELFv2; #else local_addr_space.abi = UNW_PPC64_ABI_ELFv1; #endif local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = ppc64_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ppc64/Gglobal.c0000644000175000017500000001434213406556425013705 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (ppc64_lock); HIDDEN int tdep_init_done; /* The API register numbers are exactly the same as the .eh_frame registers, for now at least. */ HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH] = { [UNW_PPC64_R0]=UNW_PPC64_R0, [UNW_PPC64_R1]=UNW_PPC64_R1, [UNW_PPC64_R2]=UNW_PPC64_R2, [UNW_PPC64_R3]=UNW_PPC64_R3, [UNW_PPC64_R4]=UNW_PPC64_R4, [UNW_PPC64_R5]=UNW_PPC64_R5, [UNW_PPC64_R6]=UNW_PPC64_R6, [UNW_PPC64_R7]=UNW_PPC64_R7, [UNW_PPC64_R8]=UNW_PPC64_R8, [UNW_PPC64_R9]=UNW_PPC64_R9, [UNW_PPC64_R10]=UNW_PPC64_R10, [UNW_PPC64_R11]=UNW_PPC64_R11, [UNW_PPC64_R12]=UNW_PPC64_R12, [UNW_PPC64_R13]=UNW_PPC64_R13, [UNW_PPC64_R14]=UNW_PPC64_R14, [UNW_PPC64_R15]=UNW_PPC64_R15, [UNW_PPC64_R16]=UNW_PPC64_R16, [UNW_PPC64_R17]=UNW_PPC64_R17, [UNW_PPC64_R18]=UNW_PPC64_R18, [UNW_PPC64_R19]=UNW_PPC64_R19, [UNW_PPC64_R20]=UNW_PPC64_R20, [UNW_PPC64_R21]=UNW_PPC64_R21, [UNW_PPC64_R22]=UNW_PPC64_R22, [UNW_PPC64_R23]=UNW_PPC64_R23, [UNW_PPC64_R24]=UNW_PPC64_R24, [UNW_PPC64_R25]=UNW_PPC64_R25, [UNW_PPC64_R26]=UNW_PPC64_R26, [UNW_PPC64_R27]=UNW_PPC64_R27, [UNW_PPC64_R28]=UNW_PPC64_R28, [UNW_PPC64_R29]=UNW_PPC64_R29, [UNW_PPC64_R30]=UNW_PPC64_R30, [UNW_PPC64_R31]=UNW_PPC64_R31, [UNW_PPC64_F0]=UNW_PPC64_F0, [UNW_PPC64_F1]=UNW_PPC64_F1, [UNW_PPC64_F2]=UNW_PPC64_F2, [UNW_PPC64_F3]=UNW_PPC64_F3, [UNW_PPC64_F4]=UNW_PPC64_F4, [UNW_PPC64_F5]=UNW_PPC64_F5, [UNW_PPC64_F6]=UNW_PPC64_F6, [UNW_PPC64_F7]=UNW_PPC64_F7, [UNW_PPC64_F8]=UNW_PPC64_F8, [UNW_PPC64_F9]=UNW_PPC64_F9, [UNW_PPC64_F10]=UNW_PPC64_F10, [UNW_PPC64_F11]=UNW_PPC64_F11, [UNW_PPC64_F12]=UNW_PPC64_F12, [UNW_PPC64_F13]=UNW_PPC64_F13, [UNW_PPC64_F14]=UNW_PPC64_F14, [UNW_PPC64_F15]=UNW_PPC64_F15, [UNW_PPC64_F16]=UNW_PPC64_F16, [UNW_PPC64_F17]=UNW_PPC64_F17, [UNW_PPC64_F18]=UNW_PPC64_F18, [UNW_PPC64_F19]=UNW_PPC64_F19, [UNW_PPC64_F20]=UNW_PPC64_F20, [UNW_PPC64_F21]=UNW_PPC64_F21, [UNW_PPC64_F22]=UNW_PPC64_F22, [UNW_PPC64_F23]=UNW_PPC64_F23, [UNW_PPC64_F24]=UNW_PPC64_F24, [UNW_PPC64_F25]=UNW_PPC64_F25, [UNW_PPC64_F26]=UNW_PPC64_F26, [UNW_PPC64_F27]=UNW_PPC64_F27, [UNW_PPC64_F28]=UNW_PPC64_F28, [UNW_PPC64_F29]=UNW_PPC64_F29, [UNW_PPC64_F30]=UNW_PPC64_F30, [UNW_PPC64_F31]=UNW_PPC64_F31, [UNW_PPC64_LR]=UNW_PPC64_LR, [UNW_PPC64_CTR]=UNW_PPC64_CTR, [UNW_PPC64_ARG_POINTER]=UNW_PPC64_ARG_POINTER, [UNW_PPC64_CR0]=UNW_PPC64_CR0, [UNW_PPC64_CR1]=UNW_PPC64_CR1, [UNW_PPC64_CR2]=UNW_PPC64_CR2, [UNW_PPC64_CR3]=UNW_PPC64_CR3, [UNW_PPC64_CR4]=UNW_PPC64_CR4, [UNW_PPC64_CR5]=UNW_PPC64_CR5, [UNW_PPC64_CR6]=UNW_PPC64_CR6, [UNW_PPC64_CR7]=UNW_PPC64_CR7, [UNW_PPC64_XER]=UNW_PPC64_XER, [UNW_PPC64_V0]=UNW_PPC64_V0, [UNW_PPC64_V1]=UNW_PPC64_V1, [UNW_PPC64_V2]=UNW_PPC64_V2, [UNW_PPC64_V3]=UNW_PPC64_V3, [UNW_PPC64_V4]=UNW_PPC64_V4, [UNW_PPC64_V5]=UNW_PPC64_V5, [UNW_PPC64_V6]=UNW_PPC64_V6, [UNW_PPC64_V7]=UNW_PPC64_V7, [UNW_PPC64_V8]=UNW_PPC64_V8, [UNW_PPC64_V9]=UNW_PPC64_V9, [UNW_PPC64_V10]=UNW_PPC64_V10, [UNW_PPC64_V11]=UNW_PPC64_V11, [UNW_PPC64_V12]=UNW_PPC64_V12, [UNW_PPC64_V13]=UNW_PPC64_V13, [UNW_PPC64_V14]=UNW_PPC64_V14, [UNW_PPC64_V15]=UNW_PPC64_V15, [UNW_PPC64_V16]=UNW_PPC64_V16, [UNW_PPC64_V17]=UNW_PPC64_V17, [UNW_PPC64_V18]=UNW_PPC64_V18, [UNW_PPC64_V19]=UNW_PPC64_V19, [UNW_PPC64_V20]=UNW_PPC64_V20, [UNW_PPC64_V21]=UNW_PPC64_V21, [UNW_PPC64_V22]=UNW_PPC64_V22, [UNW_PPC64_V23]=UNW_PPC64_V23, [UNW_PPC64_V24]=UNW_PPC64_V24, [UNW_PPC64_V25]=UNW_PPC64_V25, [UNW_PPC64_V26]=UNW_PPC64_V26, [UNW_PPC64_V27]=UNW_PPC64_V27, [UNW_PPC64_V28]=UNW_PPC64_V28, [UNW_PPC64_V29]=UNW_PPC64_V29, [UNW_PPC64_V30]=UNW_PPC64_V30, [UNW_PPC64_V31]=UNW_PPC64_V31, [UNW_PPC64_VRSAVE]=UNW_PPC64_VRSAVE, [UNW_PPC64_VSCR]=UNW_PPC64_VSCR, [UNW_PPC64_SPE_ACC]=UNW_PPC64_SPE_ACC, [UNW_PPC64_SPEFSCR]=UNW_PPC64_SPEFSCR, }; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&ppc64_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY ppc64_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&ppc64_lock, saved_mask); } libunwind-1.3.2/src/ppc64/Lstep.c0000644000175000017500000000020113406556425013412 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/ppc64/get_func_addr.c0000644000175000017500000000355013406755365015125 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int tdep_get_func_addr (unw_addr_space_t as, unw_word_t addr, unw_word_t *entry_point) { if (as->abi == UNW_PPC64_ABI_ELFv1) { unw_accessors_t *a; int ret; a = unw_get_accessors_int (as); /* Entry-point is stored in the 1st word of the function descriptor. In case that changes in the future, we'd have to update the line below and read the word at addr + offset: */ ret = (*a->access_mem) (as, addr, entry_point, 0, NULL); if (ret < 0) return ret; } else *entry_point = addr; return 0; } libunwind-1.3.2/src/ppc64/Lglobal.c0000644000175000017500000000020313406556425013701 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/ppc64/Gresume.c0000644000175000017500000000612613406755365013752 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford cjashfor@us.ibm.com Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #ifndef UNW_REMOTE_ONLY #include /* sigreturn() is a no-op on x86_64 glibc. */ static NORETURN inline long my_rt_sigreturn (void *new_sp) { /* XXX: empty stub. */ abort (); } HIDDEN inline int ppc64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = (ucontext_t *)c->dwarf.as_arg; if (unlikely (c->sigcontext_format != PPC_SCF_NONE)) { my_rt_sigreturn(cursor); abort(); } else { Debug (8, "resuming at ip=%llx via setcontext()\n", (unsigned long long) c->dwarf.ip); setcontext (uc); } return -UNW_EINVAL; } #endif /* !UNW_REMOTE_ONLY */ /* This routine is responsible for copying the register values in cursor C and establishing them as the current machine state. */ static inline int establish_machine_state (struct cursor *c) { unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) as->acc.access_fpreg (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) as->acc.access_reg (as, reg, &val, 1, arg); } } return 0; } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if ((ret = establish_machine_state (c)) < 0) return ret; return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/ppc64/Gcreate_addr_space.c0000644000175000017500000000417413406755365016063 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * We support both big- and little-endian on Linux ppc64. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; if (byte_order == 0) /* use host default: */ as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); else as->big_endian = (byte_order == __BIG_ENDIAN); /* FIXME! There is no way to specify the ABI. Default to ELFv1 on big-endian and ELFv2 on little-endian. */ if (as->big_endian) as->abi = UNW_PPC64_ABI_ELFv1; else as->abi = UNW_PPC64_ABI_ELFv2; return as; #endif } libunwind-1.3.2/src/ppc64/Lreg_states_iterate.c0000644000175000017500000000021713406755365016327 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/ppc64/Gapply_reg_state.c0000644000175000017500000000300513406755365015625 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/ppc64/Lcreate_addr_space.c0000644000175000017500000000021613406556425016055 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/ppc64/is_fpreg.c0000644000175000017500000000257413406755365014144 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { return (regnum >= UNW_PPC64_F0 && regnum <= UNW_PPC64_F31); } libunwind-1.3.2/src/ppc64/Gregs.c0000644000175000017500000000741313406556425013406 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { struct dwarf_loc loc; switch (reg) { case UNW_PPC64_R0: case UNW_PPC64_R2: case UNW_PPC64_R3: case UNW_PPC64_R4: case UNW_PPC64_R5: case UNW_PPC64_R6: case UNW_PPC64_R7: case UNW_PPC64_R8: case UNW_PPC64_R9: case UNW_PPC64_R10: case UNW_PPC64_R11: case UNW_PPC64_R12: case UNW_PPC64_R13: case UNW_PPC64_R14: case UNW_PPC64_R15: case UNW_PPC64_R16: case UNW_PPC64_R17: case UNW_PPC64_R18: case UNW_PPC64_R19: case UNW_PPC64_R20: case UNW_PPC64_R21: case UNW_PPC64_R22: case UNW_PPC64_R23: case UNW_PPC64_R24: case UNW_PPC64_R25: case UNW_PPC64_R26: case UNW_PPC64_R27: case UNW_PPC64_R28: case UNW_PPC64_R29: case UNW_PPC64_R30: case UNW_PPC64_R31: case UNW_PPC64_LR: case UNW_PPC64_CTR: case UNW_PPC64_CR0: case UNW_PPC64_CR1: case UNW_PPC64_CR2: case UNW_PPC64_CR3: case UNW_PPC64_CR4: case UNW_PPC64_CR5: case UNW_PPC64_CR6: case UNW_PPC64_CR7: case UNW_PPC64_VRSAVE: case UNW_PPC64_VSCR: case UNW_PPC64_SPE_ACC: case UNW_PPC64_SPEFSCR: loc = c->dwarf.loc[reg]; break; case UNW_TDEP_IP: if (write) { c->dwarf.ip = *valp; /* update the IP cache */ if (c->dwarf.pi_valid && (*valp < c->dwarf.pi.start_ip || *valp >= c->dwarf.pi.end_ip)) c->dwarf.pi_valid = 0; /* new IP outside of current proc */ } else *valp = c->dwarf.ip; return 0; case UNW_TDEP_SP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; default: return -UNW_EBADREG; break; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { struct dwarf_loc loc; if ((unsigned) (reg - UNW_PPC64_F0) < 32) { loc = c->dwarf.loc[reg]; if (write) return dwarf_putfp (&c->dwarf, loc, *valp); else return dwarf_getfp (&c->dwarf, loc, valp); } else if ((unsigned) (reg - UNW_PPC64_V0) < 32) { loc = c->dwarf.loc[reg]; if (write) return dwarf_putvr (&c->dwarf, loc, *valp); else return dwarf_getvr (&c->dwarf, loc, valp); } return -UNW_EBADREG; } libunwind-1.3.2/src/ppc64/Lresume.c0000644000175000017500000000020313406556425013741 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/ppc64/init.h0000644000175000017500000000600413406755365013306 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init_ppc64 (struct cursor *c, unsigned use_prev_instr) { int ret; int i; for (i = UNW_PPC64_R0; i <= UNW_PPC64_R31; i++) { c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i); } for (i = UNW_PPC64_F0; i <= UNW_PPC64_F31; i++) { c->dwarf.loc[i] = DWARF_FPREG_LOC (&c->dwarf, i); } for (i = UNW_PPC64_V0; i <= UNW_PPC64_V31; i++) { c->dwarf.loc[i] = DWARF_VREG_LOC (&c->dwarf, i); } for (i = UNW_PPC64_CR0; i <= UNW_PPC64_CR7; i++) { c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i); } c->dwarf.loc[UNW_PPC64_ARG_POINTER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_ARG_POINTER); c->dwarf.loc[UNW_PPC64_CTR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_CTR); c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VSCR); c->dwarf.loc[UNW_PPC64_XER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_XER); c->dwarf.loc[UNW_PPC64_LR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_LR); c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VRSAVE); c->dwarf.loc[UNW_PPC64_SPEFSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPEFSCR); c->dwarf.loc[UNW_PPC64_SPE_ACC] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPE_ACC); c->dwarf.loc[UNW_PPC64_NIP] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_NIP); ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_PPC64_NIP], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_PPC64_R1), &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = PPC_SCF_NONE; c->sigcontext_addr = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/elfxx.c0000644000175000017500000003214413640667603012531 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" #include #include #ifdef HAVE_LZMA #include #endif /* HAVE_LZMA */ static Elf_W (Shdr)* elf_w (section_table) (struct elf_image *ei) { Elf_W (Ehdr) *ehdr = ei->image; Elf_W (Off) soff; soff = ehdr->e_shoff; if (soff + ehdr->e_shnum * ehdr->e_shentsize > ei->size) { Debug (1, "section table outside of image? (%lu > %lu)\n", (unsigned long) (soff + ehdr->e_shnum * ehdr->e_shentsize), (unsigned long) ei->size); return NULL; } return (Elf_W (Shdr) *) ((char *) ei->image + soff); } static char* elf_w (string_table) (struct elf_image *ei, int section) { Elf_W (Ehdr) *ehdr = ei->image; Elf_W (Off) soff, str_soff; Elf_W (Shdr) *str_shdr; /* this offset is assumed to be OK */ soff = ehdr->e_shoff; str_soff = soff + (section * ehdr->e_shentsize); if (str_soff + ehdr->e_shentsize > ei->size) { Debug (1, "string shdr table outside of image? (%lu > %lu)\n", (unsigned long) (str_soff + ehdr->e_shentsize), (unsigned long) ei->size); return NULL; } str_shdr = (Elf_W (Shdr) *) ((char *) ei->image + str_soff); if (str_shdr->sh_offset + str_shdr->sh_size > ei->size) { Debug (1, "string table outside of image? (%lu > %lu)\n", (unsigned long) (str_shdr->sh_offset + str_shdr->sh_size), (unsigned long) ei->size); return NULL; } Debug (16, "strtab=0x%lx\n", (long) str_shdr->sh_offset); return ei->image + str_shdr->sh_offset; } static int elf_w (lookup_symbol) (unw_addr_space_t as, unw_word_t ip, struct elf_image *ei, Elf_W (Addr) load_offset, char *buf, size_t buf_len, Elf_W (Addr) *min_dist) { size_t syment_size; Elf_W (Ehdr) *ehdr = ei->image; Elf_W (Sym) *sym, *symtab, *symtab_end; Elf_W (Shdr) *shdr; Elf_W (Addr) val; int i, ret = -UNW_ENOINFO; char *strtab; if (!elf_w (valid_object) (ei)) return -UNW_ENOINFO; shdr = elf_w (section_table) (ei); if (!shdr) return -UNW_ENOINFO; for (i = 0; i < ehdr->e_shnum; ++i) { switch (shdr->sh_type) { case SHT_SYMTAB: case SHT_DYNSYM: symtab = (Elf_W (Sym) *) ((char *) ei->image + shdr->sh_offset); symtab_end = (Elf_W (Sym) *) ((char *) symtab + shdr->sh_size); syment_size = shdr->sh_entsize; strtab = elf_w (string_table) (ei, shdr->sh_link); if (!strtab) break; Debug (16, "symtab=0x%lx[%d]\n", (long) shdr->sh_offset, shdr->sh_type); for (sym = symtab; sym < symtab_end; sym = (Elf_W (Sym) *) ((char *) sym + syment_size)) { if (ELF_W (ST_TYPE) (sym->st_info) == STT_FUNC && sym->st_shndx != SHN_UNDEF) { val = sym->st_value; if (sym->st_shndx != SHN_ABS) val += load_offset; if (tdep_get_func_addr (as, val, &val) < 0) continue; Debug (16, "0x%016lx info=0x%02x %s\n", (long) val, sym->st_info, strtab + sym->st_name); if ((Elf_W (Addr)) (ip - val) < *min_dist) { *min_dist = (Elf_W (Addr)) (ip - val); strncpy (buf, strtab + sym->st_name, buf_len); buf[buf_len - 1] = '\0'; ret = (strlen (strtab + sym->st_name) >= buf_len ? -UNW_ENOMEM : 0); } } } break; default: break; } shdr = (Elf_W (Shdr) *) (((char *) shdr) + ehdr->e_shentsize); } return ret; } static Elf_W (Addr) elf_w (get_load_offset) (struct elf_image *ei, unsigned long segbase, unsigned long mapoff) { Elf_W (Addr) offset = 0; Elf_W (Ehdr) *ehdr; Elf_W (Phdr) *phdr; int i; ehdr = ei->image; phdr = (Elf_W (Phdr) *) ((char *) ei->image + ehdr->e_phoff); for (i = 0; i < ehdr->e_phnum; ++i) if (phdr[i].p_type == PT_LOAD && phdr[i].p_offset == mapoff) { offset = segbase - phdr[i].p_vaddr; break; } return offset; } #if HAVE_LZMA static size_t xz_uncompressed_size (uint8_t *compressed, size_t length) { uint64_t memlimit = UINT64_MAX; size_t ret = 0, pos = 0; lzma_stream_flags options; lzma_index *index; if (length < LZMA_STREAM_HEADER_SIZE) return 0; uint8_t *footer = compressed + length - LZMA_STREAM_HEADER_SIZE; if (lzma_stream_footer_decode (&options, footer) != LZMA_OK) return 0; if (length < LZMA_STREAM_HEADER_SIZE + options.backward_size) return 0; uint8_t *indexdata = footer - options.backward_size; if (lzma_index_buffer_decode (&index, &memlimit, NULL, indexdata, &pos, options.backward_size) != LZMA_OK) return 0; if (lzma_index_size (index) == options.backward_size) { ret = lzma_index_uncompressed_size (index); } lzma_index_end (index, NULL); return ret; } static int elf_w (extract_minidebuginfo) (struct elf_image *ei, struct elf_image *mdi) { Elf_W (Shdr) *shdr; uint8_t *compressed = NULL; uint64_t memlimit = UINT64_MAX; /* no memory limit */ size_t compressed_len, uncompressed_len; shdr = elf_w (find_section) (ei, ".gnu_debugdata"); if (!shdr) return 0; compressed = ((uint8_t *) ei->image) + shdr->sh_offset; compressed_len = shdr->sh_size; uncompressed_len = xz_uncompressed_size (compressed, compressed_len); if (uncompressed_len == 0) { Debug (1, "invalid .gnu_debugdata contents\n"); return 0; } mdi->size = uncompressed_len; mdi->image = mmap (NULL, uncompressed_len, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); if (mdi->image == MAP_FAILED) return 0; size_t in_pos = 0, out_pos = 0; lzma_ret lret; lret = lzma_stream_buffer_decode (&memlimit, 0, NULL, compressed, &in_pos, compressed_len, mdi->image, &out_pos, mdi->size); if (lret != LZMA_OK) { Debug (1, "LZMA decompression failed: %d\n", lret); munmap (mdi->image, mdi->size); return 0; } return 1; } #else static int elf_w (extract_minidebuginfo) (struct elf_image *ei, struct elf_image *mdi) { return 0; } #endif /* !HAVE_LZMA */ /* Find the ELF image that contains IP and return the "closest" procedure name, if there is one. With some caching, this could be sped up greatly, but until an application materializes that's sensitive to the performance of this routine, why bother... */ HIDDEN int elf_w (get_proc_name_in_image) (unw_addr_space_t as, struct elf_image *ei, unsigned long segbase, unsigned long mapoff, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp) { Elf_W (Addr) load_offset; Elf_W (Addr) min_dist = ~(Elf_W (Addr))0; int ret; load_offset = elf_w (get_load_offset) (ei, segbase, mapoff); ret = elf_w (lookup_symbol) (as, ip, ei, load_offset, buf, buf_len, &min_dist); /* If the ELF image has MiniDebugInfo embedded in it, look up the symbol in there as well and replace the previously found if it is closer. */ struct elf_image mdi; if (elf_w (extract_minidebuginfo) (ei, &mdi)) { int ret_mdi = elf_w (lookup_symbol) (as, ip, &mdi, load_offset, buf, buf_len, &min_dist); /* Closer symbol was found (possibly truncated). */ if (ret_mdi == 0 || ret_mdi == -UNW_ENOMEM) { ret = ret_mdi; } munmap (mdi.image, mdi.size); } if (min_dist >= ei->size) return -UNW_ENOINFO; /* not found */ if (offp) *offp = min_dist; return ret; } HIDDEN int elf_w (get_proc_name) (unw_addr_space_t as, pid_t pid, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp) { unsigned long segbase, mapoff; struct elf_image ei; int ret; char file[PATH_MAX]; ret = tdep_get_elf_image (&ei, pid, ip, &segbase, &mapoff, file, PATH_MAX); if (ret < 0) return ret; ret = elf_w (load_debuglink) (file, &ei, 1); if (ret < 0) return ret; ret = elf_w (get_proc_name_in_image) (as, &ei, segbase, mapoff, ip, buf, buf_len, offp); munmap (ei.image, ei.size); ei.image = NULL; return ret; } HIDDEN Elf_W (Shdr)* elf_w (find_section) (struct elf_image *ei, const char* secname) { Elf_W (Ehdr) *ehdr = ei->image; Elf_W (Shdr) *shdr; char *strtab; int i; if (!elf_w (valid_object) (ei)) return 0; shdr = elf_w (section_table) (ei); if (!shdr) return 0; strtab = elf_w (string_table) (ei, ehdr->e_shstrndx); if (!strtab) return 0; for (i = 0; i < ehdr->e_shnum; ++i) { if (strcmp (strtab + shdr->sh_name, secname) == 0) { if (shdr->sh_offset + shdr->sh_size > ei->size) { Debug (1, "section \"%s\" outside image? (0x%lu > 0x%lu)\n", secname, (unsigned long) shdr->sh_offset + shdr->sh_size, (unsigned long) ei->size); return 0; } Debug (16, "found section \"%s\" at 0x%lx\n", secname, (unsigned long) shdr->sh_offset); return shdr; } shdr = (Elf_W (Shdr) *) (((char *) shdr) + ehdr->e_shentsize); } /* section not found */ return 0; } /* Load a debug section, following .gnu_debuglink if appropriate * Loads ei from file if not already mapped. * If is_local, will also search sys directories /usr/local/dbg * * Returns 0 on success, failure otherwise. * ei will be mapped to file or the located .gnu_debuglink from file */ HIDDEN int elf_w (load_debuglink) (const char* file, struct elf_image *ei, int is_local) { int ret; Elf_W (Shdr) *shdr; Elf_W (Ehdr) *prev_image; off_t prev_size; if (!ei->image) { ret = elf_map_image(ei, file); if (ret) return ret; } prev_image = ei->image; prev_size = ei->size; /* Ignore separate debug files which contain a .gnu_debuglink section. */ if (is_local == -1) { return 0; } shdr = elf_w (find_section) (ei, ".gnu_debuglink"); if (shdr) { if (shdr->sh_size >= PATH_MAX || (shdr->sh_offset + shdr->sh_size > ei->size)) { return 0; } { char linkbuf[shdr->sh_size]; char *link = ((char *) ei->image) + shdr->sh_offset; char *p; static const char *debugdir = "/usr/lib/debug"; char basedir[strlen(file) + 1]; char newname[shdr->sh_size + strlen (debugdir) + strlen (file) + 9]; memcpy(linkbuf, link, shdr->sh_size); if (memchr (linkbuf, 0, shdr->sh_size) == NULL) return 0; ei->image = NULL; Debug(1, "Found debuglink section, following %s\n", linkbuf); p = strrchr (file, '/'); if (p != NULL) { memcpy (basedir, file, p - file); basedir[p - file] = '\0'; } else basedir[0] = 0; strcpy (newname, basedir); strcat (newname, "/"); strcat (newname, linkbuf); ret = elf_w (load_debuglink) (newname, ei, -1); if (ret == -1) { strcpy (newname, basedir); strcat (newname, "/.debug/"); strcat (newname, linkbuf); ret = elf_w (load_debuglink) (newname, ei, -1); } if (ret == -1 && is_local == 1) { strcpy (newname, debugdir); strcat (newname, basedir); strcat (newname, "/"); strcat (newname, linkbuf); ret = elf_w (load_debuglink) (newname, ei, -1); } if (ret == -1) { /* No debuglink file found even though .gnu_debuglink existed */ ei->image = prev_image; ei->size = prev_size; return 0; } else { munmap (prev_image, prev_size); } return ret; } } return 0; } libunwind-1.3.2/src/os-linux.h0000644000175000017500000001557413406556425013175 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef os_linux_h #define os_linux_h struct map_iterator { off_t offset; int fd; size_t buf_size; char *buf; char *buf_end; char *path; }; static inline char * ltoa (char *buf, long val) { char *cp = buf, tmp; ssize_t i, len; do { *cp++ = '0' + (val % 10); val /= 10; } while (val); /* reverse the order of the digits: */ len = cp - buf; --cp; for (i = 0; i < len / 2; ++i) { tmp = buf[i]; buf[i] = cp[-i]; cp[-i] = tmp; } return buf + len; } static inline int maps_init (struct map_iterator *mi, pid_t pid) { char path[sizeof ("/proc/0123456789/maps")], *cp; memcpy (path, "/proc/", 6); cp = ltoa (path + 6, pid); assert (cp + 6 < path + sizeof (path)); memcpy (cp, "/maps", 6); mi->fd = open (path, O_RDONLY); if (mi->fd >= 0) { /* Try to allocate a page-sized buffer. */ mi->buf_size = getpagesize (); cp = mmap (NULL, mi->buf_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (cp == MAP_FAILED) { close(mi->fd); mi->fd = -1; return -1; } else { mi->offset = 0; mi->buf = mi->buf_end = cp + mi->buf_size; return 0; } } return -1; } static inline char * skip_whitespace (char *cp) { if (!cp) return NULL; while (*cp == ' ' || *cp == '\t') ++cp; return cp; } static inline char * scan_hex (char *cp, unsigned long *valp) { unsigned long num_digits = 0, digit, val = 0; cp = skip_whitespace (cp); if (!cp) return NULL; while (1) { digit = *cp; if ((digit - '0') <= 9) digit -= '0'; else if ((digit - 'a') < 6) digit -= 'a' - 10; else if ((digit - 'A') < 6) digit -= 'A' - 10; else break; val = (val << 4) | digit; ++num_digits; ++cp; } if (!num_digits) return NULL; *valp = val; return cp; } static inline char * scan_dec (char *cp, unsigned long *valp) { unsigned long num_digits = 0, digit, val = 0; if (!(cp = skip_whitespace (cp))) return NULL; while (1) { digit = *cp; if ((digit - '0') <= 9) { digit -= '0'; ++cp; } else break; val = (10 * val) + digit; ++num_digits; } if (!num_digits) return NULL; *valp = val; return cp; } static inline char * scan_char (char *cp, char *valp) { if (!cp) return NULL; *valp = *cp; /* don't step over NUL terminator */ if (*cp) ++cp; return cp; } /* Scan a string delimited by white-space. Fails on empty string or if string is doesn't fit in the specified buffer. */ static inline char * scan_string (char *cp, char *valp, size_t buf_size) { size_t i = 0; if (!(cp = skip_whitespace (cp))) return NULL; while (*cp != ' ' && *cp != '\t' && *cp != '\0') { if ((valp != NULL) && (i < buf_size - 1)) valp[i++] = *cp; ++cp; } if (i == 0 || i >= buf_size) return NULL; valp[i] = '\0'; return cp; } static inline int maps_next (struct map_iterator *mi, unsigned long *low, unsigned long *high, unsigned long *offset) { char perm[16], dash = 0, colon = 0, *cp; unsigned long major, minor, inum; ssize_t i, nread; if (mi->fd < 0) return 0; while (1) { ssize_t bytes_left = mi->buf_end - mi->buf; char *eol = NULL; for (i = 0; i < bytes_left; ++i) { if (mi->buf[i] == '\n') { eol = mi->buf + i; break; } else if (mi->buf[i] == '\0') break; } if (!eol) { /* copy down the remaining bytes, if any */ if (bytes_left > 0) memmove (mi->buf_end - mi->buf_size, mi->buf, bytes_left); mi->buf = mi->buf_end - mi->buf_size; nread = read (mi->fd, mi->buf + bytes_left, mi->buf_size - bytes_left); if (nread <= 0) return 0; else if ((size_t) (nread + bytes_left) < mi->buf_size) { /* Move contents to the end of the buffer so we maintain the invariant that all bytes between mi->buf and mi->buf_end are valid. */ memmove (mi->buf_end - nread - bytes_left, mi->buf, nread + bytes_left); mi->buf = mi->buf_end - nread - bytes_left; } eol = mi->buf + bytes_left + nread - 1; for (i = bytes_left; i < bytes_left + nread; ++i) if (mi->buf[i] == '\n') { eol = mi->buf + i; break; } } cp = mi->buf; mi->buf = eol + 1; *eol = '\0'; /* scan: "LOW-HIGH PERM OFFSET MAJOR:MINOR INUM PATH" */ cp = scan_hex (cp, low); cp = scan_char (cp, &dash); cp = scan_hex (cp, high); cp = scan_string (cp, perm, sizeof (perm)); cp = scan_hex (cp, offset); cp = scan_hex (cp, &major); cp = scan_char (cp, &colon); cp = scan_hex (cp, &minor); cp = scan_dec (cp, &inum); cp = mi->path = skip_whitespace (cp); if (!cp) continue; cp = scan_string (cp, NULL, 0); if (dash != '-' || colon != ':') continue; /* skip line with unknown or bad format */ return 1; } return 0; } static inline void maps_close (struct map_iterator *mi) { if (mi->fd < 0) return; close (mi->fd); mi->fd = -1; if (mi->buf) { munmap (mi->buf_end - mi->buf_size, mi->buf_size); mi->buf = mi->buf_end = NULL; } } #endif /* os_linux_h */ libunwind-1.3.2/src/setjmp/0000755000175000017500000000000013640673450012612 500000000000000libunwind-1.3.2/src/setjmp/longjmp.c0000644000175000017500000000621313406556425014350 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define UNW_LOCAL_ONLY #undef _FORTIFY_SOURCE #include #include #include #include #include #include "jmpbuf.h" #include "setjmp_i.h" #if defined(__GLIBC__) #if __GLIBC_PREREQ(2, 4) /* Starting with glibc-2.4, {sig,}setjmp in GLIBC obfuscates the register values in jmp_buf by XORing them with a "random" canary value. This makes it impossible to implement longjmp, as we can never match wp[JB_SP], unless we decode the canary first. Doing so is possible, but doesn't appear to be worth the trouble, so we simply defer to glibc longjmp here. */ #define _longjmp __nonworking__longjmp #define longjmp __nonworking_longjmp static void _longjmp (jmp_buf env, int val); static void longjmp (jmp_buf env, int val); #endif #endif /* __GLIBC__ */ void _longjmp (jmp_buf env, int val) { extern int _UI_longjmp_cont; unw_context_t uc; unw_cursor_t c; unw_word_t sp; unw_word_t *wp = (unw_word_t *) env; if (unw_getcontext (&uc) < 0 || unw_init_local (&c, &uc) < 0) abort (); do { if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0) abort (); #ifdef __FreeBSD__ if (sp != wp[JB_SP] + sizeof(unw_word_t)) #else if (sp != wp[JB_SP]) #endif continue; if (!bsp_match (&c, wp)) continue; /* found the right frame: */ assert (UNW_NUM_EH_REGS >= 2); if (unw_set_reg (&c, UNW_REG_EH + 0, wp[JB_RP]) < 0 || unw_set_reg (&c, UNW_REG_EH + 1, val) < 0 || unw_set_reg (&c, UNW_REG_IP, (unw_word_t) (uintptr_t) &_UI_longjmp_cont)) abort (); unw_resume (&c); abort (); } while (unw_step (&c) > 0); abort (); } #ifdef __GNUC__ #define STRINGIFY1(x) #x #define STRINGIFY(x) STRINGIFY1(x) void longjmp (jmp_buf env, int val) __attribute__ ((alias (STRINGIFY(_longjmp)))); #else void longjmp (jmp_buf env, int val) { _longjmp (env, val); } #endif /* __GNUC__ */ libunwind-1.3.2/src/setjmp/libunwind-setjmp.pc.in0000644000175000017500000000036113406556425016760 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libunwind-setjmp Description: libunwind setjmp library Version: @VERSION@ Requires: libunwind Libs: -L${libdir} -lunwind-setjmp Cflags: -I${includedir} libunwind-1.3.2/src/setjmp/setjmp_i.h0000644000175000017500000000676213406556425014532 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #if UNW_TARGET_IA64 #include "libunwind_i.h" #include "tdep-ia64/rse.h" static inline int bsp_match (unw_cursor_t *c, unw_word_t *wp) { unw_word_t bsp, pfs, sol; if (unw_get_reg (c, UNW_IA64_BSP, &bsp) < 0 || unw_get_reg (c, UNW_IA64_AR_PFS, &pfs) < 0) abort (); /* simulate the effect of "br.call sigsetjmp" on ar.bsp: */ sol = (pfs >> 7) & 0x7f; bsp = rse_skip_regs (bsp, sol); if (bsp != wp[JB_BSP]) return 0; if (unlikely (sol == 0)) { unw_word_t sp, prev_sp; unw_cursor_t tmp = *c; /* The caller of {sig,}setjmp() cannot have a NULL-frame. If we see a NULL-frame, we haven't reached the right target yet. To have a NULL-frame, the number of locals must be zero and the stack-frame must also be empty. */ if (unw_step (&tmp) < 0) abort (); if (unw_get_reg (&tmp, UNW_REG_SP, &sp) < 0 || unw_get_reg (&tmp, UNW_REG_SP, &prev_sp) < 0) abort (); if (sp == prev_sp) /* got a NULL-frame; keep looking... */ return 0; } return 1; } /* On ia64 we cannot always call sigprocmask() at _UI_siglongjmp_cont() because the signal may have switched stacks and the old stack's register-backing store may have overflown, leaving us no space to allocate the stacked registers needed to call sigprocmask(). Fortunately, we can just let unw_resume() (via sigreturn) take care of restoring the signal-mask. That's faster anyhow. */ static inline int resume_restores_sigmask (unw_cursor_t *c, unw_word_t *wp) { unw_word_t sc_addr = ((struct cursor *) c)->sigcontext_addr; struct sigcontext *sc = (struct sigcontext *) sc_addr; sigset_t current_mask; void *mp; if (!sc_addr) return 0; /* let unw_resume() install the desired signal mask */ if (wp[JB_MASK_SAVED]) mp = &wp[JB_MASK]; else { if (sigprocmask (SIG_BLOCK, NULL, ¤t_mask) < 0) abort (); mp = ¤t_mask; } memcpy (&sc->sc_mask, mp, sizeof (sc->sc_mask)); return 1; } #else /* !UNW_TARGET_IA64 */ static inline int bsp_match (unw_cursor_t *c, unw_word_t *wp) { return 1; } static inline int resume_restores_sigmask (unw_cursor_t *c, unw_word_t *wp) { /* We may want to do this analogously as for ia64... */ return 0; } #endif /* !UNW_TARGET_IA64 */ libunwind-1.3.2/src/setjmp/siglongjmp.c0000644000175000017500000000757713640667603015072 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define UNW_LOCAL_ONLY #include #include "libunwind_i.h" #include "jmpbuf.h" #include "setjmp_i.h" #if !defined(_NSIG) && defined(_SIG_MAXSIG) # define _NSIG (_SIG_MAXSIG - 1) #endif #if defined(__GLIBC__) #if __GLIBC_PREREQ(2, 4) /* Starting with glibc-2.4, {sig,}setjmp in GLIBC obfuscates the register values in jmp_buf by XORing them with a "random" canary value. This makes it impossible to implement longjmp, as we can never match wp[JB_SP], unless we decode the canary first. Doing so is possible, but doesn't appear to be worth the trouble, so we simply defer to glibc siglongjmp here. */ #define siglongjmp __nonworking_siglongjmp static void siglongjmp (sigjmp_buf env, int val) UNUSED; #endif #endif /* __GLIBC_PREREQ */ void siglongjmp (sigjmp_buf env, int val) { unw_word_t *wp = (unw_word_t *) env; extern int _UI_siglongjmp_cont; extern int _UI_longjmp_cont; unw_context_t uc; unw_cursor_t c; unw_word_t sp; int *cont; if (unw_getcontext (&uc) < 0 || unw_init_local (&c, &uc) < 0) abort (); do { if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0) abort (); #ifdef __FreeBSD__ if (sp != wp[JB_SP] + sizeof(unw_word_t)) #else if (sp != wp[JB_SP]) #endif continue; if (!bsp_match (&c, wp)) continue; /* found the right frame: */ /* default to resuming without restoring signal-mask */ cont = &_UI_longjmp_cont; /* Order of evaluation is important here: if unw_resume() restores signal mask, we must set it up appropriately, even if wp[JB_MASK_SAVED] is FALSE. */ if (!resume_restores_sigmask (&c, wp) && wp[JB_MASK_SAVED]) { /* sigmask was saved */ #if defined(__linux__) if (UNW_NUM_EH_REGS < 4 || _NSIG > 16 * sizeof (unw_word_t)) /* signal mask doesn't fit into EH arguments and we can't put it on the stack without overwriting something else... */ abort (); else if (unw_set_reg (&c, UNW_REG_EH + 2, wp[JB_MASK]) < 0 || (_NSIG > 8 * sizeof (unw_word_t) && unw_set_reg (&c, UNW_REG_EH + 3, wp[JB_MASK + 1]) < 0)) abort (); #elif defined(__FreeBSD__) if (unw_set_reg (&c, UNW_REG_EH + 2, &wp[JB_MASK]) < 0) abort(); #else #error Port me #endif cont = &_UI_siglongjmp_cont; } if (unw_set_reg (&c, UNW_REG_EH + 0, wp[JB_RP]) < 0 || unw_set_reg (&c, UNW_REG_EH + 1, val) < 0 || unw_set_reg (&c, UNW_REG_IP, (unw_word_t) (uintptr_t) cont)) abort (); unw_resume (&c); abort (); } while (unw_step (&c) > 0); abort (); } libunwind-1.3.2/src/x86/0000755000175000017500000000000013640673450011735 500000000000000libunwind-1.3.2/src/x86/unwind_i.h0000644000175000017500000000501313406755365013647 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include "libunwind_i.h" /* DWARF column numbers: */ #define EAX 0 #define ECX 1 #define EDX 2 #define EBX 3 #define ESP 4 #define EBP 5 #define ESI 6 #define EDI 7 #define EIP 8 #define EFLAGS 9 #define TRAPNO 10 #define ST0 11 #define x86_lock UNW_OBJ(lock) #define x86_local_resume UNW_OBJ(local_resume) #define x86_local_addr_space_init UNW_OBJ(local_addr_space_init) #define x86_scratch_loc UNW_OBJ(scratch_loc) #define x86_get_scratch_loc UNW_OBJ(get_scratch_loc) #define x86_r_uc_addr UNW_OBJ(r_uc_addr) #define x86_sigreturn UNW_OBJ(sigreturn) extern void x86_local_addr_space_init (void); extern int x86_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); extern dwarf_loc_t x86_scratch_loc (struct cursor *c, unw_regnum_t reg); extern dwarf_loc_t x86_get_scratch_loc (struct cursor *c, unw_regnum_t reg); extern void *x86_r_uc_addr (ucontext_t *uc, int reg); extern void x86_sigreturn (unw_cursor_t *cursor); #define x86_handle_signal_frame UNW_OBJ(handle_signal_frame) extern int x86_handle_signal_frame(unw_cursor_t *cursor); #endif /* unwind_i_h */ libunwind-1.3.2/src/x86/Gget_save_loc.c0000644000175000017500000000744513406755365014602 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; dwarf_loc_t loc; loc = DWARF_NULL_LOC; /* default to "not saved" */ switch (reg) { case UNW_X86_EIP: loc = c->dwarf.loc[EIP]; break; case UNW_X86_CFA: break; case UNW_X86_EAX: loc = c->dwarf.loc[EAX]; break; case UNW_X86_ECX: loc = c->dwarf.loc[ECX]; break; case UNW_X86_EDX: loc = c->dwarf.loc[EDX]; break; case UNW_X86_EBX: loc = c->dwarf.loc[EBX]; break; case UNW_X86_ESP: loc = c->dwarf.loc[ESP]; break; case UNW_X86_EBP: loc = c->dwarf.loc[EBP]; break; case UNW_X86_ESI: loc = c->dwarf.loc[ESI]; break; case UNW_X86_EDI: loc = c->dwarf.loc[EDI]; break; case UNW_X86_EFLAGS: loc = c->dwarf.loc[EFLAGS]; break; case UNW_X86_TRAPNO: loc = c->dwarf.loc[TRAPNO]; break; case UNW_X86_ST0: loc = c->dwarf.loc[ST0]; break; case UNW_X86_FCW: case UNW_X86_FSW: case UNW_X86_FTW: case UNW_X86_FOP: case UNW_X86_FCS: case UNW_X86_FIP: case UNW_X86_FEA: case UNW_X86_FDS: case UNW_X86_MXCSR: case UNW_X86_GS: case UNW_X86_FS: case UNW_X86_ES: case UNW_X86_DS: case UNW_X86_SS: case UNW_X86_CS: case UNW_X86_TSS: case UNW_X86_LDT: loc = x86_scratch_loc (c, reg); break; /* stacked fp registers */ case UNW_X86_ST1: case UNW_X86_ST2: case UNW_X86_ST3: case UNW_X86_ST4: case UNW_X86_ST5: case UNW_X86_ST6: case UNW_X86_ST7: /* SSE fp registers */ case UNW_X86_XMM0_lo: case UNW_X86_XMM0_hi: case UNW_X86_XMM1_lo: case UNW_X86_XMM1_hi: case UNW_X86_XMM2_lo: case UNW_X86_XMM2_hi: case UNW_X86_XMM3_lo: case UNW_X86_XMM3_hi: case UNW_X86_XMM4_lo: case UNW_X86_XMM4_hi: case UNW_X86_XMM5_lo: case UNW_X86_XMM5_hi: case UNW_X86_XMM6_lo: case UNW_X86_XMM6_hi: case UNW_X86_XMM7_lo: case UNW_X86_XMM7_hi: case UNW_X86_XMM0: case UNW_X86_XMM1: case UNW_X86_XMM2: case UNW_X86_XMM3: case UNW_X86_XMM4: case UNW_X86_XMM5: case UNW_X86_XMM6: case UNW_X86_XMM7: loc = x86_scratch_loc (c, reg); break; default: break; } memset (sloc, 0, sizeof (*sloc)); if (DWARF_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (DWARF_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = DWARF_GET_LOC (loc); } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = DWARF_GET_LOC (loc); } return 0; } libunwind-1.3.2/src/x86/Los-linux.c0000644000175000017500000000020513406556425013712 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-linux.c" #endif libunwind-1.3.2/src/x86/Ginit_local.c0000644000175000017500000000426513406755365014262 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "init.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static int unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) { struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = unw_local_addr_space; c->dwarf.as_arg = c; c->uc = uc; c->validate = 0; return common_init (c, use_prev_instr); } int unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) { return unw_init_local_common(cursor, uc, 1); } int unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) { if (!flag) { return unw_init_local_common(cursor, uc, 1); } else if (flag == UNW_INIT_SIGNAL_FRAME) { return unw_init_local_common(cursor, uc, 0); } else { return -UNW_EINVAL; } } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/x86/Lapply_reg_state.c0000644000175000017500000000021413406755365015322 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/x86/getcontext-freebsd.S0000644000175000017500000000715013406556425015602 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" .global _Ux86_getcontext .type _Ux86_getcontext, @function _Ux86_getcontext: .cfi_startproc pushl %eax .cfi_adjust_cfa_offset 4 mov 8(%esp),%eax /* ucontext_t* */ popl FREEBSD_UC_MCONTEXT_EAX_OFF(%eax) .cfi_adjust_cfa_offset 4 movl %ebx, FREEBSD_UC_MCONTEXT_EBX_OFF(%eax) movl %ecx, FREEBSD_UC_MCONTEXT_ECX_OFF(%eax) movl %edx, FREEBSD_UC_MCONTEXT_EDX_OFF(%eax) movl %edi, FREEBSD_UC_MCONTEXT_EDI_OFF(%eax) movl %esi, FREEBSD_UC_MCONTEXT_ESI_OFF(%eax) movl %ebp, FREEBSD_UC_MCONTEXT_EBP_OFF(%eax) movl (%esp), %ecx movl %ecx, FREEBSD_UC_MCONTEXT_EIP_OFF(%eax) leal 4(%esp), %ecx /* Exclude the return address. */ movl %ecx, FREEBSD_UC_MCONTEXT_ESP_OFF(%eax) xorl %ecx, %ecx movw %fs, %cx movl %ecx, FREEBSD_UC_MCONTEXT_FS_OFF(%eax) movw %gs, %cx movl %ecx, FREEBSD_UC_MCONTEXT_GS_OFF(%eax) movw %ds, %cx movl %ecx, FREEBSD_UC_MCONTEXT_DS_OFF(%eax) movw %es, %cx movl %ecx, FREEBSD_UC_MCONTEXT_ES_OFF(%eax) movw %ss, %cx movl %ecx, FREEBSD_UC_MCONTEXT_SS_OFF(%eax) movw %cs, %cx movl %ecx, FREEBSD_UC_MCONTEXT_CS_OFF(%eax) pushfl .cfi_adjust_cfa_offset 4 popl FREEBSD_UC_MCONTEXT_EFLAGS_OFF(%eax) .cfi_adjust_cfa_offset -4 movl $0, FREEBSD_UC_MCONTEXT_TRAPNO_OFF(%eax) movl $FREEBSD_UC_MCONTEXT_FPOWNED_FPU,\ FREEBSD_UC_MCONTEXT_OWNEDFP_OFF(%eax) movl $FREEBSD_UC_MCONTEXT_FPFMT_XMM,\ FREEBSD_UC_MCONTEXT_FPFORMAT_OFF(%eax) /* * Require CPU with fxsave implemented, and enabled by OS. * * If passed ucontext is not aligned to 16-byte boundary, * save fpu context into temporary aligned location on stack * and then copy. */ leal FREEBSD_UC_MCONTEXT_FPSTATE_OFF(%eax), %edx testl $0xf, %edx jne 2f fxsave (%edx) /* fast path, passed ucontext save area was aligned */ 1: movl $FREEBSD_UC_MCONTEXT_MC_LEN_VAL,\ FREEBSD_UC_MCONTEXT_MC_LEN_OFF(%eax) xorl %eax, %eax ret 2: movl %edx, %edi /* not aligned, do the dance */ subl $512 + 16, %esp /* save area and 16 bytes for alignment */ .cfi_adjust_cfa_offset 512 + 16 movl %esp, %edx orl $0xf, %edx /* align *%edx to 16-byte up */ incl %edx fxsave (%edx) movl %edx, %esi /* copy to the final destination */ movl $512/4,%ecx rep; movsl addl $512 + 16, %esp /* restore the stack */ .cfi_adjust_cfa_offset -512 - 16 movl FREEBSD_UC_MCONTEXT_ESI_OFF(%eax), %esi movl FREEBSD_UC_MCONTEXT_EDI_OFF(%eax), %edi jmp 1b .cfi_endproc .size _Ux86_getcontext, . - _Ux86_getcontext /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86/longjmp.S0000644000175000017500000000310613406556425013451 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_longjmp_cont .type _UI_longjmp_cont, @function _UI_longjmp_cont: .cfi_startproc .cfi_register 8, 0 /* IP saved in EAX */ push %eax /* push target IP as return address */ .cfi_restore 8 mov %edx, %eax /* set up return-value */ ret .cfi_endproc .size _UI_siglongjmp_cont, .-_UI_longjmp_cont /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86/Greg_states_iterate.c0000644000175000017500000000277613406755365016027 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; return dwarf_reg_states_iterate (&c->dwarf, cb, token); } libunwind-1.3.2/src/x86/Lregs.c0000644000175000017500000000020113406556425013070 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/x86/regname.c0000644000175000017500000000137413406755365013452 00000000000000#include "unwind_i.h" static const char *regname[] = { "eax", "edx", "ecx", "ebx", "esi", "edi", "ebp", "esp", "eip", "eflags", "trapno", "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7", "fcw", "fsw", "ftw", "fop", "fcs", "fip", "fea", "fds", "xmm0_lo", "xmm0_hi", "xmm1_lo", "xmm1_hi", "xmm2_lo", "xmm2_hi", "xmm3_lo", "xmm3_hi", "xmm4_lo", "xmm4_hi", "xmm5_lo", "xmm5_hi", "xmm6_lo", "xmm6_hi", "xmm7_lo", "xmm7_hi", "mxcsr", "gs", "fs", "es", "ds", "ss", "cs", "tss", "ldt", "cfi", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", }; const char * unw_regname (unw_regnum_t reg) { if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) return regname[reg]; else return "???"; } libunwind-1.3.2/src/x86/Ginit_remote.c0000644000175000017500000000344713406755365014464 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->dwarf.as = as; c->dwarf.as_arg = as_arg; if (as == unw_local_addr_space) { c->dwarf.as_arg = c; c->uc = as_arg; } else { c->dwarf.as_arg = as_arg; c->uc = 0; } return common_init (c, 0); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/x86/getcontext-linux.S0000644000175000017500000000515513406556425015332 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2009 Google, Inc Contributed by Paul Pluzhnikov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" /* int _Ux86_getcontext (ucontext_t *ucp) Saves the machine context in UCP necessary for libunwind. Unlike the libc implementation, we don't save the signal mask and hence avoid the cost of a system call per unwind. */ .global _Ux86_getcontext .type _Ux86_getcontext, @function _Ux86_getcontext: .cfi_startproc mov 4(%esp),%eax /* ucontext_t* */ /* EAX is not preserved. */ movl $0, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EAX_OFF)(%eax) movl %ebx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EBX_OFF)(%eax) movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_ECX_OFF)(%eax) movl %edx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EDX_OFF)(%eax) movl %edi, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EDI_OFF)(%eax) movl %esi, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_ESI_OFF)(%eax) movl %ebp, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EBP_OFF)(%eax) movl (%esp), %ecx movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_EIP_OFF)(%eax) leal 4(%esp), %ecx /* Exclude the return address. */ movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_ESP_OFF)(%eax) /* glibc getcontext saves FS, but not GS */ xorl %ecx, %ecx movw %fs, %cx movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FS_OFF)(%eax) leal LINUX_UC_FPREGS_MEM_OFF(%eax), %ecx movl %ecx, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FPSTATE_OFF)(%eax) fnstenv (%ecx) fldenv (%ecx) xor %eax, %eax ret .cfi_endproc .size _Ux86_getcontext, . - _Ux86_getcontext /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86/Linit_remote.c0000644000175000017500000000021013406556425014446 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/x86/Gstep.c0000644000175000017500000000726213406755365013120 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret, i; Debug (1, "(cursor=%p, ip=0x%08x)\n", c, (unsigned) c->dwarf.ip); /* Try DWARF-based unwinding... */ ret = dwarf_step (&c->dwarf); if (ret < 0 && ret != -UNW_ENOINFO) { Debug (2, "returning %d\n", ret); return ret; } if (unlikely (ret < 0)) { /* DWARF failed, let's see if we can follow the frame-chain or skip over the signal trampoline. */ struct dwarf_loc ebp_loc, eip_loc; /* We could get here because of missing/bad unwind information. Validate all addresses before dereferencing. */ c->validate = 1; Debug (13, "dwarf_step() failed (ret=%d), trying frame-chain\n", ret); if (unw_is_signal_frame (cursor) > 0) { ret = x86_handle_signal_frame(cursor); if (ret < 0) { Debug (2, "returning 0\n"); return 0; } } else { ret = dwarf_get (&c->dwarf, c->dwarf.loc[EBP], &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning %d\n", ret); return ret; } Debug (13, "[EBP=0x%x] = 0x%x\n", DWARF_GET_LOC (c->dwarf.loc[EBP]), c->dwarf.cfa); ebp_loc = DWARF_LOC (c->dwarf.cfa, 0); eip_loc = DWARF_LOC (c->dwarf.cfa + 4, 0); c->dwarf.cfa += 8; /* Mark all registers unsaved, since we don't know where they are saved (if at all), except for the EBP and EIP. */ for (i = 0; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; c->dwarf.loc[EBP] = ebp_loc; c->dwarf.loc[EIP] = eip_loc; c->dwarf.use_prev_instr = 1; } if (!DWARF_IS_NULL_LOC (c->dwarf.loc[EBP])) { ret = dwarf_get (&c->dwarf, c->dwarf.loc[EIP], &c->dwarf.ip); if (ret < 0) { Debug (13, "dwarf_get([EIP=0x%x]) failed\n", DWARF_GET_LOC (c->dwarf.loc[EIP])); Debug (2, "returning %d\n", ret); return ret; } else { Debug (13, "[EIP=0x%x] = 0x%x\n", DWARF_GET_LOC (c->dwarf.loc[EIP]), c->dwarf.ip); } } else c->dwarf.ip = 0; } ret = (c->dwarf.ip == 0) ? 0 : 1; Debug (2, "returning %d\n", ret); return ret; } libunwind-1.3.2/src/x86/Linit_local.c0000644000175000017500000000020713406556425014253 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/x86/Linit.c0000644000175000017500000000020113406556425013073 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/x86/Ginit.c0000644000175000017500000001441213640667603013100 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; # ifdef UNW_LOCAL_ONLY HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg) { return x86_r_uc_addr (uc, reg); } # endif /* UNW_LOCAL_ONLY */ HIDDEN unw_dyn_info_list_t _U_dyn_info_list; /* XXX fix me: there is currently no way to locate the dyn-info list by a remote unwinder. On ia64, this is done via a special unwind-table entry. Perhaps something similar can be done with DWARF2 unwind info. */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; return 0; } #define PAGE_SIZE 4096 #define PAGE_START(a) ((a) & ~(PAGE_SIZE-1)) /* Cache of already validated addresses */ #define NLGA 4 static unw_word_t last_good_addr[NLGA]; static int lga_victim; static int validate_mem (unw_word_t addr) { int i, victim; #ifdef HAVE_MINCORE unsigned char mvec[2]; /* Unaligned access may cross page boundary */ #endif size_t len; if (PAGE_START(addr + sizeof (unw_word_t) - 1) == PAGE_START(addr)) len = PAGE_SIZE; else len = PAGE_SIZE * 2; addr = PAGE_START(addr); if (addr == 0) return -1; for (i = 0; i < NLGA; i++) { if (last_good_addr[i] && (addr == last_good_addr[i])) return 0; } #ifdef HAVE_MINCORE if (mincore ((void *) addr, len, mvec) == -1) #else if (msync ((void *) addr, len, MS_ASYNC) == -1) #endif return -1; victim = lga_victim; for (i = 0; i < NLGA; i++) { if (!last_good_addr[victim]) { last_good_addr[victim++] = addr; return 0; } victim = (victim + 1) % NLGA; } /* All slots full. Evict the victim. */ last_good_addr[victim] = addr; victim = (victim + 1) % NLGA; lga_victim = victim; return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (16, "mem[%x] <- %x\n", addr, *val); *(unw_word_t *) addr = *val; } else { /* validate address */ const struct cursor *c = (const struct cursor *)arg; if (c && c->validate && validate_mem(addr)) return -1; *val = *(unw_word_t *) addr; Debug (16, "mem[%x] -> %x\n", addr, *val); } return 0; } static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr; ucontext_t *uc = ((struct cursor *)arg)->uc; if (unw_is_fpreg (reg)) goto badreg; if (!(addr = x86_r_uc_addr (uc, reg))) goto badreg; if (write) { *(unw_word_t *) addr = *val; Debug (12, "%s <- %x\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %x\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = ((struct cursor *)arg)->uc; unw_fpreg_t *addr; if (!unw_is_fpreg (reg)) goto badreg; if (!(addr = x86_r_uc_addr (uc, reg))) goto badreg; if (write) { Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); *(unw_fpreg_t *) addr = *val; } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg), ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf32_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void x86_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = dwarf_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = x86_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/x86/Gglobal.c0000644000175000017500000000423213406556425013373 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "dwarf_i.h" HIDDEN define_lock (x86_lock); HIDDEN int tdep_init_done; /* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c. */ HIDDEN const uint8_t dwarf_to_unw_regnum_map[19] = { UNW_X86_EAX, UNW_X86_ECX, UNW_X86_EDX, UNW_X86_EBX, UNW_X86_ESP, UNW_X86_EBP, UNW_X86_ESI, UNW_X86_EDI, UNW_X86_EIP, UNW_X86_EFLAGS, UNW_X86_TRAPNO, UNW_X86_ST0, UNW_X86_ST1, UNW_X86_ST2, UNW_X86_ST3, UNW_X86_ST4, UNW_X86_ST5, UNW_X86_ST6, UNW_X86_ST7 }; HIDDEN void tdep_init (void) { intrmask_t saved_mask; sigfillset (&unwi_full_mask); lock_acquire (&x86_lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); dwarf_init (); #ifndef UNW_REMOTE_ONLY x86_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&x86_lock, saved_mask); } libunwind-1.3.2/src/x86/Lstep.c0000644000175000017500000000020113406556425013103 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/x86/Gos-linux.c0000644000175000017500000002661613406755365013727 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #include "offsets.h" #include int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; /* Check if EIP points at sigreturn() sequence. On Linux, this is: __restore: 0x58 pop %eax 0xb8 0x77 0x00 0x00 0x00 movl 0x77,%eax 0xcd 0x80 int 0x80 without SA_SIGINFO, and __restore_rt: 0xb8 0xad 0x00 0x00 0x00 movl 0xad,%eax 0xcd 0x80 int 0x80 0x00 if SA_SIGINFO is specified. */ ip = c->dwarf.ip; if ((*a->access_mem) (as, ip, &w0, 0, arg) < 0 || (*a->access_mem) (as, ip + 4, &w1, 0, arg) < 0) ret = 0; else ret = ((w0 == 0x0077b858 && w1 == 0x80cd0000) || (w0 == 0x0000adb8 && (w1 & 0xffffff) == 0x80cd00)); Debug (16, "returning %d\n", ret); return ret; } HIDDEN int x86_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; /* c->esp points at the arguments to the handler. Without SA_SIGINFO, the arguments consist of a signal number followed by a struct sigcontext. With SA_SIGINFO, the arguments consist a signal number, a siginfo *, and a ucontext *. */ unw_word_t sc_addr; unw_word_t siginfo_ptr_addr = c->dwarf.cfa + 4; unw_word_t sigcontext_ptr_addr = c->dwarf.cfa + 8; unw_word_t siginfo_ptr, sigcontext_ptr; struct dwarf_loc esp_loc, siginfo_ptr_loc, sigcontext_ptr_loc; siginfo_ptr_loc = DWARF_LOC (siginfo_ptr_addr, 0); sigcontext_ptr_loc = DWARF_LOC (sigcontext_ptr_addr, 0); ret = (dwarf_get (&c->dwarf, siginfo_ptr_loc, &siginfo_ptr) | dwarf_get (&c->dwarf, sigcontext_ptr_loc, &sigcontext_ptr)); if (ret < 0) { Debug (2, "returning 0\n"); return 0; } if (siginfo_ptr < c->dwarf.cfa || siginfo_ptr > c->dwarf.cfa + 256 || sigcontext_ptr < c->dwarf.cfa || sigcontext_ptr > c->dwarf.cfa + 256) { /* Not plausible for SA_SIGINFO signal */ c->sigcontext_format = X86_SCF_LINUX_SIGFRAME; c->sigcontext_addr = sc_addr = c->dwarf.cfa + 4; } else { /* If SA_SIGINFO were not specified, we actually read various segment pointers instead. We believe that at least fs and _fsh are always zero for linux, so it is not just unlikely, but impossible that we would end up here. */ c->sigcontext_format = X86_SCF_LINUX_RT_SIGFRAME; c->sigcontext_addr = sigcontext_ptr; sc_addr = sigcontext_ptr + LINUX_UC_MCONTEXT_OFF; } esp_loc = DWARF_LOC (sc_addr + LINUX_SC_ESP_OFF, 0); ret = dwarf_get (&c->dwarf, esp_loc, &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning 0\n"); return 0; } c->dwarf.loc[EAX] = DWARF_LOC (sc_addr + LINUX_SC_EAX_OFF, 0); c->dwarf.loc[ECX] = DWARF_LOC (sc_addr + LINUX_SC_ECX_OFF, 0); c->dwarf.loc[EDX] = DWARF_LOC (sc_addr + LINUX_SC_EDX_OFF, 0); c->dwarf.loc[EBX] = DWARF_LOC (sc_addr + LINUX_SC_EBX_OFF, 0); c->dwarf.loc[EBP] = DWARF_LOC (sc_addr + LINUX_SC_EBP_OFF, 0); c->dwarf.loc[ESI] = DWARF_LOC (sc_addr + LINUX_SC_ESI_OFF, 0); c->dwarf.loc[EDI] = DWARF_LOC (sc_addr + LINUX_SC_EDI_OFF, 0); c->dwarf.loc[EFLAGS] = DWARF_NULL_LOC; c->dwarf.loc[TRAPNO] = DWARF_NULL_LOC; c->dwarf.loc[ST0] = DWARF_NULL_LOC; c->dwarf.loc[EIP] = DWARF_LOC (sc_addr + LINUX_SC_EIP_OFF, 0); c->dwarf.loc[ESP] = DWARF_LOC (sc_addr + LINUX_SC_ESP_OFF, 0); return 0; } HIDDEN dwarf_loc_t x86_get_scratch_loc (struct cursor *c, unw_regnum_t reg) { unw_word_t addr = c->sigcontext_addr, fpstate_addr, off; int ret, is_fpstate = 0; switch (c->sigcontext_format) { case X86_SCF_NONE: return DWARF_REG_LOC (&c->dwarf, reg); case X86_SCF_LINUX_SIGFRAME: break; case X86_SCF_LINUX_RT_SIGFRAME: addr += LINUX_UC_MCONTEXT_OFF; break; default: return DWARF_NULL_LOC; } switch (reg) { case UNW_X86_GS: off = LINUX_SC_GS_OFF; break; case UNW_X86_FS: off = LINUX_SC_FS_OFF; break; case UNW_X86_ES: off = LINUX_SC_ES_OFF; break; case UNW_X86_DS: off = LINUX_SC_DS_OFF; break; case UNW_X86_EDI: off = LINUX_SC_EDI_OFF; break; case UNW_X86_ESI: off = LINUX_SC_ESI_OFF; break; case UNW_X86_EBP: off = LINUX_SC_EBP_OFF; break; case UNW_X86_ESP: off = LINUX_SC_ESP_OFF; break; case UNW_X86_EBX: off = LINUX_SC_EBX_OFF; break; case UNW_X86_EDX: off = LINUX_SC_EDX_OFF; break; case UNW_X86_ECX: off = LINUX_SC_ECX_OFF; break; case UNW_X86_EAX: off = LINUX_SC_EAX_OFF; break; case UNW_X86_TRAPNO: off = LINUX_SC_TRAPNO_OFF; break; case UNW_X86_EIP: off = LINUX_SC_EIP_OFF; break; case UNW_X86_CS: off = LINUX_SC_CS_OFF; break; case UNW_X86_EFLAGS: off = LINUX_SC_EFLAGS_OFF; break; case UNW_X86_SS: off = LINUX_SC_SS_OFF; break; /* The following is probably not correct for all possible cases. Somebody who understands this better should review this for correctness. */ case UNW_X86_FCW: is_fpstate = 1; off = LINUX_FPSTATE_CW_OFF; break; case UNW_X86_FSW: is_fpstate = 1; off = LINUX_FPSTATE_SW_OFF; break; case UNW_X86_FTW: is_fpstate = 1; off = LINUX_FPSTATE_TAG_OFF; break; case UNW_X86_FCS: is_fpstate = 1; off = LINUX_FPSTATE_CSSEL_OFF; break; case UNW_X86_FIP: is_fpstate = 1; off = LINUX_FPSTATE_IPOFF_OFF; break; case UNW_X86_FEA: is_fpstate = 1; off = LINUX_FPSTATE_DATAOFF_OFF; break; case UNW_X86_FDS: is_fpstate = 1; off = LINUX_FPSTATE_DATASEL_OFF; break; case UNW_X86_MXCSR: is_fpstate = 1; off = LINUX_FPSTATE_MXCSR_OFF; break; /* stacked fp registers */ case UNW_X86_ST0: case UNW_X86_ST1: case UNW_X86_ST2: case UNW_X86_ST3: case UNW_X86_ST4: case UNW_X86_ST5: case UNW_X86_ST6: case UNW_X86_ST7: is_fpstate = 1; off = LINUX_FPSTATE_ST0_OFF + 10*(reg - UNW_X86_ST0); break; /* SSE fp registers */ case UNW_X86_XMM0_lo: case UNW_X86_XMM0_hi: case UNW_X86_XMM1_lo: case UNW_X86_XMM1_hi: case UNW_X86_XMM2_lo: case UNW_X86_XMM2_hi: case UNW_X86_XMM3_lo: case UNW_X86_XMM3_hi: case UNW_X86_XMM4_lo: case UNW_X86_XMM4_hi: case UNW_X86_XMM5_lo: case UNW_X86_XMM5_hi: case UNW_X86_XMM6_lo: case UNW_X86_XMM6_hi: case UNW_X86_XMM7_lo: case UNW_X86_XMM7_hi: is_fpstate = 1; off = LINUX_FPSTATE_XMM0_OFF + 8*(reg - UNW_X86_XMM0_lo); break; case UNW_X86_XMM0: case UNW_X86_XMM1: case UNW_X86_XMM2: case UNW_X86_XMM3: case UNW_X86_XMM4: case UNW_X86_XMM5: case UNW_X86_XMM6: case UNW_X86_XMM7: is_fpstate = 1; off = LINUX_FPSTATE_XMM0_OFF + 16*(reg - UNW_X86_XMM0); break; case UNW_X86_FOP: case UNW_X86_TSS: case UNW_X86_LDT: default: return DWARF_REG_LOC (&c->dwarf, reg); } if (is_fpstate) { if ((ret = dwarf_get (&c->dwarf, DWARF_MEM_LOC (&c->dwarf, addr + LINUX_SC_FPSTATE_OFF), &fpstate_addr)) < 0) return DWARF_NULL_LOC; if (!fpstate_addr) return DWARF_NULL_LOC; return DWARF_MEM_LOC (c, fpstate_addr + off); } else return DWARF_MEM_LOC (c, addr + off); } #ifndef UNW_REMOTE_ONLY HIDDEN void * x86_r_uc_addr (ucontext_t *uc, int reg) { void *addr; switch (reg) { case UNW_X86_GS: addr = &uc->uc_mcontext.gregs[REG_GS]; break; case UNW_X86_FS: addr = &uc->uc_mcontext.gregs[REG_FS]; break; case UNW_X86_ES: addr = &uc->uc_mcontext.gregs[REG_ES]; break; case UNW_X86_DS: addr = &uc->uc_mcontext.gregs[REG_DS]; break; case UNW_X86_EAX: addr = &uc->uc_mcontext.gregs[REG_EAX]; break; case UNW_X86_EBX: addr = &uc->uc_mcontext.gregs[REG_EBX]; break; case UNW_X86_ECX: addr = &uc->uc_mcontext.gregs[REG_ECX]; break; case UNW_X86_EDX: addr = &uc->uc_mcontext.gregs[REG_EDX]; break; case UNW_X86_ESI: addr = &uc->uc_mcontext.gregs[REG_ESI]; break; case UNW_X86_EDI: addr = &uc->uc_mcontext.gregs[REG_EDI]; break; case UNW_X86_EBP: addr = &uc->uc_mcontext.gregs[REG_EBP]; break; case UNW_X86_EIP: addr = &uc->uc_mcontext.gregs[REG_EIP]; break; case UNW_X86_ESP: addr = &uc->uc_mcontext.gregs[REG_ESP]; break; case UNW_X86_TRAPNO: addr = &uc->uc_mcontext.gregs[REG_TRAPNO]; break; case UNW_X86_CS: addr = &uc->uc_mcontext.gregs[REG_CS]; break; case UNW_X86_EFLAGS: addr = &uc->uc_mcontext.gregs[REG_EFL]; break; case UNW_X86_SS: addr = &uc->uc_mcontext.gregs[REG_SS]; break; default: addr = NULL; } return addr; } HIDDEN int x86_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = c->uc; /* Ensure c->pi is up-to-date. On x86, it's relatively common to be missing DWARF unwind info. We don't want to fail in that case, because the frame-chain still would let us do a backtrace at least. */ dwarf_make_proc_info (&c->dwarf); if (unlikely (c->sigcontext_format != X86_SCF_NONE)) { struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; Debug (8, "resuming at ip=%x via sigreturn(%p)\n", c->dwarf.ip, sc); x86_sigreturn (sc); } else { Debug (8, "resuming at ip=%x via setcontext()\n", c->dwarf.ip); setcontext (uc); } return -UNW_EINVAL; } /* sigreturn() is a no-op on x86 glibc. */ HIDDEN void x86_sigreturn (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; mcontext_t *sc_mcontext = &((ucontext_t*)sc)->uc_mcontext; /* Copy in saved uc - all preserved regs are at the start of sigcontext */ memcpy(sc_mcontext, &c->uc->uc_mcontext, DWARF_NUM_PRESERVED_REGS * sizeof(unw_word_t)); Debug (8, "resuming at ip=%llx via sigreturn(%p)\n", (unsigned long long) c->dwarf.ip, sc); __asm__ __volatile__ ("mov %0, %%esp;" "mov %1, %%eax;" "syscall" :: "r"(sc), "i"(SYS_rt_sigreturn) : "memory"); abort(); } #endif libunwind-1.3.2/src/x86/siglongjmp.S0000644000175000017500000000540113406556425014154 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2011 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .globl _UI_siglongjmp_cont #if defined(__linux__) #define SIG_SETMASK 2 #elif defined(__FreeBSD__) #define SIG_SETMASK 3 #endif /* Stack layout at this point: +------------+ <- original $esp (at time of setjmp() call) | sigmask[1] | +------------+ | sigmask[0] | +------------+ */ .type _UI_siglongjmp_cont, @function _UI_siglongjmp_cont: .cfi_startproc #ifdef __linux__ .cfi_register 8, 0 /* IP saved in EAX */ .cfi_def_cfa_offset 8 mov %esp, %ecx /* pass address of signal mask in 3rd sc arg */ push %eax /* save target IP */ .cfi_adjust_cfa_offset 4 .cfi_offset 8, -12 push %edx /* save return value */ .cfi_adjust_cfa_offset 4 push %ebx /* save %ebx (preserved) */ .cfi_adjust_cfa_offset 4 .cfi_offset 3, -20 mov $SIG_SETMASK, %ebx /* 1st syscall arg (how) */ xor %edx, %edx /* pass NULL as 3rd syscall arg (old maskp) */ int $0x80 pop %ebx /* restore %ebx */ .cfi_adjust_cfa_offset -4 .cfi_restore 3 pop %eax /* fetch return value */ .cfi_adjust_cfa_offset -4 pop %edx /* pop target IP */ .cfi_adjust_cfa_offset -4 .cfi_register 8, 2 /* saved IP is now n EDX */ lea 8(%esp), %esp /* pop sigmask */ .cfi_adjust_cfa_offset -4 jmp *%edx #elif defined(__FreeBSD__) pushl %eax pushl %edx pushl $0 pushl %ecx pushl $SIG_SETMASK movl $340,%eax pushl %eax int $0x80 addl $16,%esp popl %eax popl %edx jmp *%edx #else #error Port me #endif .cfi_endproc .size _UI_siglongjmp_cont, .-_UI_siglongjmp_cont /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits libunwind-1.3.2/src/x86/Los-freebsd.c0000644000175000017500000000020713406556425014167 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gos-freebsd.c" #endif libunwind-1.3.2/src/x86/Lget_save_loc.c0000644000175000017500000000021113406556425014563 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/x86/Lglobal.c0000644000175000017500000000020313406556425013372 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/x86/Gresume.c0000644000175000017500000000556713406755365013453 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #include "offsets.h" /* This routine is responsible for copying the register values in cursor C and establishing them as the current machine state. */ static inline int establish_machine_state (struct cursor *c) { int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int write, void *); int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int write, void *); unw_addr_space_t as = c->dwarf.as; void *arg = c->dwarf.as_arg; unw_fpreg_t fpval; unw_word_t val; int reg; access_reg = as->acc.access_reg; access_fpreg = as->acc.access_fpreg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { Debug (16, "copying %s %d\n", unw_regname (reg), reg); if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) (*access_fpreg) (as, reg, &fpval, 1, arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) (*access_reg) (as, reg, &val, 1, arg); } } if (c->dwarf.args_size) { if (tdep_access_reg (c, UNW_X86_ESP, &val, 0) >= 0) { val += c->dwarf.args_size; (*access_reg) (as, UNW_X86_ESP, &val, 1, arg); } } return 0; } int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p)\n", c); if ((ret = establish_machine_state (c)) < 0) return ret; return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, c->dwarf.as_arg); } libunwind-1.3.2/src/x86/Gcreate_addr_space.c0000644000175000017500000000334713406755365015555 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #if defined(_LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) #define __LITTLE_ENDIAN _LITTLE_ENDIAN #endif unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * x86 supports only little-endian. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; return as; #endif } libunwind-1.3.2/src/x86/offsets.h0000644000175000017500000001255113406556425013505 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* Offsets for x86 Linux "ucontext_t": */ #define LINUX_UC_FLAGS_OFF 0x00 #define LINUX_UC_LINK_OFF 0x04 #define LINUX_UC_STACK_OFF 0x08 #define LINUX_UC_MCONTEXT_OFF 0x14 #define LINUX_UC_SIGMASK_OFF 0x6c #define LINUX_UC_FPREGS_MEM_OFF 0xec /* The struct sigcontext is located at an offset of 4 from the stack pointer in the signal frame. */ /* Offsets for x86 Linux "struct sigcontext": */ #define LINUX_SC_GS_OFF 0x00 #define LINUX_SC_GSH_OFF 0x02 #define LINUX_SC_FS_OFF 0x04 #define LINUX_SC_FSH_OFF 0x06 #define LINUX_SC_ES_OFF 0x08 #define LINUX_SC_ESH_OFF 0x0a #define LINUX_SC_DS_OFF 0x0c #define LINUX_SC_DSH_OFF 0x0e #define LINUX_SC_EDI_OFF 0x10 #define LINUX_SC_ESI_OFF 0x14 #define LINUX_SC_EBP_OFF 0x18 #define LINUX_SC_ESP_OFF 0x1c #define LINUX_SC_EBX_OFF 0x20 #define LINUX_SC_EDX_OFF 0x24 #define LINUX_SC_ECX_OFF 0x28 #define LINUX_SC_EAX_OFF 0x2c #define LINUX_SC_TRAPNO_OFF 0x30 #define LINUX_SC_ERR_OFF 0x34 #define LINUX_SC_EIP_OFF 0x38 #define LINUX_SC_CS_OFF 0x3c #define LINUX_SC_CSH_OFF 0x3e #define LINUX_SC_EFLAGS_OFF 0x40 #define LINUX_SC_ESP_AT_SIGNAL_OFF 0x44 #define LINUX_SC_SS_OFF 0x48 #define LINUX_SC_SSH_OFF 0x4a #define LINUX_SC_FPSTATE_OFF 0x4c #define LINUX_SC_OLDMASK_OFF 0x50 #define LINUX_SC_CR2_OFF 0x54 /* Offsets for x86 Linux "struct _fpstate": */ #define LINUX_FPSTATE_CW_OFF 0x000 #define LINUX_FPSTATE_SW_OFF 0x004 #define LINUX_FPSTATE_TAG_OFF 0x008 #define LINUX_FPSTATE_IPOFF_OFF 0x00c #define LINUX_FPSTATE_CSSEL_OFF 0x010 #define LINUX_FPSTATE_DATAOFF_OFF 0x014 #define LINUX_FPSTATE_DATASEL_OFF 0x018 #define LINUX_FPSTATE_ST0_OFF 0x01c #define LINUX_FPSTATE_ST1_OFF 0x026 #define LINUX_FPSTATE_ST2_OFF 0x030 #define LINUX_FPSTATE_ST3_OFF 0x03a #define LINUX_FPSTATE_ST4_OFF 0x044 #define LINUX_FPSTATE_ST5_OFF 0x04e #define LINUX_FPSTATE_ST6_OFF 0x058 #define LINUX_FPSTATE_ST7_OFF 0x062 #define LINUX_FPSTATE_STATUS_OFF 0x06c #define LINUX_FPSTATE_MAGIC_OFF 0x06e #define LINUX_FPSTATE_FXSR_ENV_OFF 0x070 #define LINUX_FPSTATE_MXCSR_OFF 0x088 #define LINUX_FPSTATE_FXSR_ST0_OFF 0x090 #define LINUX_FPSTATE_FXSR_ST1_OFF 0x0a0 #define LINUX_FPSTATE_FXSR_ST2_OFF 0x0b0 #define LINUX_FPSTATE_FXSR_ST3_OFF 0x0c0 #define LINUX_FPSTATE_FXSR_ST4_OFF 0x0d0 #define LINUX_FPSTATE_FXSR_ST5_OFF 0x0e0 #define LINUX_FPSTATE_FXSR_ST6_OFF 0x0f0 #define LINUX_FPSTATE_FXSR_ST7_OFF 0x100 #define LINUX_FPSTATE_XMM0_OFF 0x110 #define LINUX_FPSTATE_XMM1_OFF 0x120 #define LINUX_FPSTATE_XMM2_OFF 0x130 #define LINUX_FPSTATE_XMM3_OFF 0x140 #define LINUX_FPSTATE_XMM4_OFF 0x150 #define LINUX_FPSTATE_XMM5_OFF 0x160 #define LINUX_FPSTATE_XMM6_OFF 0x170 #define LINUX_FPSTATE_XMM7_OFF 0x180 /* FreeBSD-specific definitions: */ #define FREEBSD_SC_UCONTEXT_OFF 0x20 #define FREEBSD_UC_MCONTEXT_OFF 0x10 #define FREEBSD_UC_MCONTEXT_GS_OFF 0x14 #define FREEBSD_UC_MCONTEXT_FS_OFF 0x18 #define FREEBSD_UC_MCONTEXT_ES_OFF 0x1c #define FREEBSD_UC_MCONTEXT_DS_OFF 0x20 #define FREEBSD_UC_MCONTEXT_EDI_OFF 0x24 #define FREEBSD_UC_MCONTEXT_ESI_OFF 0x28 #define FREEBSD_UC_MCONTEXT_EBP_OFF 0x2c #define FREEBSD_UC_MCONTEXT_EBX_OFF 0x34 #define FREEBSD_UC_MCONTEXT_EDX_OFF 0x38 #define FREEBSD_UC_MCONTEXT_ECX_OFF 0x3c #define FREEBSD_UC_MCONTEXT_EAX_OFF 0x40 #define FREEBSD_UC_MCONTEXT_TRAPNO_OFF 0x44 #define FREEBSD_UC_MCONTEXT_EIP_OFF 0x4c #define FREEBSD_UC_MCONTEXT_ESP_OFF 0x58 #define FREEBSD_UC_MCONTEXT_CS_OFF 0x50 #define FREEBSD_UC_MCONTEXT_EFLAGS_OFF 0x54 #define FREEBSD_UC_MCONTEXT_SS_OFF 0x5c #define FREEBSD_UC_MCONTEXT_MC_LEN_OFF 0x60 #define FREEBSD_UC_MCONTEXT_FPFORMAT_OFF 0x64 #define FREEBSD_UC_MCONTEXT_OWNEDFP_OFF 0x68 #define FREEBSD_UC_MCONTEXT_FPSTATE_OFF 0x70 #define FREEBSD_UC_MCONTEXT_CW_OFF 0x70 #define FREEBSD_UC_MCONTEXT_SW_OFF 0x74 #define FREEBSD_UC_MCONTEXT_TAG_OFF 0x78 #define FREEBSD_UC_MCONTEXT_IPOFF_OFF 0x7c #define FREEBSD_UC_MCONTEXT_CSSEL_OFF 0x80 #define FREEBSD_UC_MCONTEXT_DATAOFF_OFF 0x84 #define FREEBSD_US_MCONTEXT_DATASEL_OFF 0x88 #define FREEBSD_UC_MCONTEXT_ST0_OFF 0x8c #define FREEBSD_UC_MCONTEXT_CW_XMM_OFF 0x70 #define FREEBSD_UC_MCONTEXT_SW_XMM_OFF 0x72 #define FREEBSD_UC_MCONTEXT_TAG_XMM_OFF 0x74 #define FREEBSD_UC_MCONTEXT_IPOFF_XMM_OFF 0x78 #define FREEBSD_UC_MCONTEXT_CSSEL_XMM_OFF 0x7c #define FREEBSD_UC_MCONTEXT_DATAOFF_XMM_OFF 0x80 #define FREEBSD_US_MCONTEXT_DATASEL_XMM_OFF 0x84 #define FREEBSD_UC_MCONTEXT_MXCSR_XMM_OFF 0x88 #define FREEBSD_UC_MCONTEXT_ST0_XMM_OFF 0x90 #define FREEBSD_UC_MCONTEXT_XMM0_OFF 0x110 #define FREEBSD_UC_MCONTEXT_MC_LEN_VAL 0x280 #define FREEBSD_UC_MCONTEXT_FPFMT_NODEV 0x10000 #define FREEBSD_UC_MCONTEXT_FPFMT_387 0x10001 #define FREEBSD_UC_MCONTEXT_FPFMT_XMM 0x10002 #define FREEBSD_UC_MCONTEXT_FPOWNED_NONE 0x20000 #define FREEBSD_UC_MCONTEXT_FPOWNED_FPU 0x20001 #define FREEBSD_UC_MCONTEXT_FPOWNED_PCB 0x20002 libunwind-1.3.2/src/x86/Lreg_states_iterate.c0000644000175000017500000000021713406755365016020 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/x86/Gget_proc_info.c0000644000175000017500000000341013406755365014751 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; if (dwarf_make_proc_info (&c->dwarf) < 0) { /* On x86, it's relatively common to be missing DWARF unwind info. We don't want to fail in that case, because the frame-chain still would let us do a backtrace at least. */ memset (pi, 0, sizeof (*pi)); pi->start_ip = c->dwarf.ip; pi->end_ip = c->dwarf.ip + 1; return 0; } *pi = c->dwarf.pi; return 0; } libunwind-1.3.2/src/x86/Gos-freebsd.c0000644000175000017500000003055113406755365014173 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010 Konstantin Belousov This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include "unwind_i.h" #include "offsets.h" int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; unw_word_t w0, w1, w2, w3, w4, w5, ip; unw_addr_space_t as; unw_accessors_t *a; void *arg; int ret; as = c->dwarf.as; a = unw_get_accessors_int (as); arg = c->dwarf.as_arg; /* Check if EIP points at sigreturn() sequence. It can be: sigcode+4: from amd64 freebsd32 environment 8d 44 24 20 lea 0x20(%esp),%eax 50 push %eax b8 a1 01 00 00 mov $0x1a1,%eax 50 push %eax cd 80 int $0x80 sigcode+4: from real i386 8d 44 24 20 lea 0x20(%esp),%eax 50 push %eax f7 40 54 00 02 00 testl $0x20000,0x54(%eax) 75 03 jne sigcode+21 8e 68 14 mov 0x14(%eax),%gs b8 a1 01 00 00 mov $0x1a1,%eax 50 push %eax cd 80 int $0x80 freebsd4_sigcode+4: XXX osigcode: XXX */ ip = c->dwarf.ip; ret = X86_SCF_NONE; c->sigcontext_format = ret; if ((*a->access_mem) (as, ip, &w0, 0, arg) < 0 || (*a->access_mem) (as, ip + 4, &w1, 0, arg) < 0 || (*a->access_mem) (as, ip + 8, &w2, 0, arg) < 0 || (*a->access_mem) (as, ip + 12, &w3, 0, arg) < 0) return ret; if (w0 == 0x2024448d && w1 == 0x01a1b850 && w2 == 0xcd500000 && (w3 & 0xff) == 0x80) ret = X86_SCF_FREEBSD_SIGFRAME; else { if ((*a->access_mem) (as, ip + 16, &w4, 0, arg) < 0 || (*a->access_mem) (as, ip + 20, &w5, 0, arg) < 0) return ret; if (w0 == 0x2024448d && w1 == 0x5440f750 && w2 == 0x75000200 && w3 == 0x14688e03 && w4 == 0x0001a1b8 && w5 == 0x80cd5000) ret = X86_SCF_FREEBSD_SIGFRAME; } /* Check for syscall */ if (ret == X86_SCF_NONE && (*a->access_mem) (as, ip - 2, &w0, 0, arg) >= 0 && (w0 & 0xffff) == 0x80cd) ret = X86_SCF_FREEBSD_SYSCALL; Debug (16, "returning %d\n", ret); c->sigcontext_format = ret; return (ret); } HIDDEN int x86_handle_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; if (c->sigcontext_format == X86_SCF_FREEBSD_SIGFRAME) { struct sigframe *sf; uintptr_t uc_addr; struct dwarf_loc esp_loc; sf = (struct sigframe *)c->dwarf.cfa; uc_addr = (uintptr_t)&(sf->sf_uc); c->sigcontext_addr = c->dwarf.cfa; esp_loc = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_ESP_OFF, 0); ret = dwarf_get (&c->dwarf, esp_loc, &c->dwarf.cfa); if (ret < 0) { Debug (2, "returning 0\n"); return 0; } c->dwarf.loc[EIP] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EIP_OFF, 0); c->dwarf.loc[ESP] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_ESP_OFF, 0); c->dwarf.loc[EAX] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EAX_OFF, 0); c->dwarf.loc[ECX] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_ECX_OFF, 0); c->dwarf.loc[EDX] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EDX_OFF, 0); c->dwarf.loc[EBX] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EBX_OFF, 0); c->dwarf.loc[EBP] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EBP_OFF, 0); c->dwarf.loc[ESI] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_ESI_OFF, 0); c->dwarf.loc[EDI] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EDI_OFF, 0); c->dwarf.loc[EFLAGS] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_EFLAGS_OFF, 0); c->dwarf.loc[TRAPNO] = DWARF_LOC (uc_addr + FREEBSD_UC_MCONTEXT_TRAPNO_OFF, 0); c->dwarf.loc[ST0] = DWARF_NULL_LOC; } else if (c->sigcontext_format == X86_SCF_FREEBSD_SYSCALL) { c->dwarf.loc[EIP] = DWARF_LOC (c->dwarf.cfa, 0); c->dwarf.loc[EAX] = DWARF_NULL_LOC; c->dwarf.cfa += 4; c->dwarf.use_prev_instr = 1; } else { Debug (8, "Gstep: not handling frame format %d\n", c->sigcontext_format); abort(); } return 0; } HIDDEN dwarf_loc_t x86_get_scratch_loc (struct cursor *c, unw_regnum_t reg) { unw_word_t addr = c->sigcontext_addr, off, xmm_off; unw_word_t fpstate, fpformat; int ret, is_fpstate = 0, is_xmmstate = 0; switch (c->sigcontext_format) { case X86_SCF_NONE: return DWARF_REG_LOC (&c->dwarf, reg); case X86_SCF_FREEBSD_SIGFRAME: addr += offsetof(struct sigframe, sf_uc) + FREEBSD_UC_MCONTEXT_OFF; break; case X86_SCF_FREEBSD_SIGFRAME4: abort(); break; case X86_SCF_FREEBSD_OSIGFRAME: /* XXXKIB */ abort(); break; case X86_SCF_FREEBSD_SYSCALL: /* XXXKIB */ abort(); break; default: /* XXXKIB */ abort(); break; } off = 0; /* shut gcc warning */ switch (reg) { case UNW_X86_GS: off = FREEBSD_UC_MCONTEXT_GS_OFF; break; case UNW_X86_FS: off = FREEBSD_UC_MCONTEXT_FS_OFF; break; case UNW_X86_ES: off = FREEBSD_UC_MCONTEXT_ES_OFF; break; case UNW_X86_DS: off = FREEBSD_UC_MCONTEXT_SS_OFF; break; case UNW_X86_EDI: off = FREEBSD_UC_MCONTEXT_EDI_OFF; break; case UNW_X86_ESI: off = FREEBSD_UC_MCONTEXT_ESI_OFF; break; case UNW_X86_EBP: off = FREEBSD_UC_MCONTEXT_EBP_OFF; break; case UNW_X86_ESP: off = FREEBSD_UC_MCONTEXT_ESP_OFF; break; case UNW_X86_EBX: off = FREEBSD_UC_MCONTEXT_EBX_OFF; break; case UNW_X86_EDX: off = FREEBSD_UC_MCONTEXT_EDX_OFF; break; case UNW_X86_ECX: off = FREEBSD_UC_MCONTEXT_ECX_OFF; break; case UNW_X86_EAX: off = FREEBSD_UC_MCONTEXT_EAX_OFF; break; case UNW_X86_TRAPNO: off = FREEBSD_UC_MCONTEXT_TRAPNO_OFF; break; case UNW_X86_EIP: off = FREEBSD_UC_MCONTEXT_EIP_OFF; break; case UNW_X86_CS: off = FREEBSD_UC_MCONTEXT_CS_OFF; break; case UNW_X86_EFLAGS: off = FREEBSD_UC_MCONTEXT_EFLAGS_OFF; break; case UNW_X86_SS: off = FREEBSD_UC_MCONTEXT_SS_OFF; break; case UNW_X86_FCW: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_CW_OFF; xmm_off = FREEBSD_UC_MCONTEXT_CW_XMM_OFF; break; case UNW_X86_FSW: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_SW_OFF; xmm_off = FREEBSD_UC_MCONTEXT_SW_XMM_OFF; break; case UNW_X86_FTW: is_fpstate = 1; xmm_off = FREEBSD_UC_MCONTEXT_TAG_XMM_OFF; off = FREEBSD_UC_MCONTEXT_TAG_OFF; break; case UNW_X86_FCS: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_CSSEL_OFF; xmm_off = FREEBSD_UC_MCONTEXT_CSSEL_XMM_OFF; break; case UNW_X86_FIP: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_IPOFF_OFF; xmm_off = FREEBSD_UC_MCONTEXT_IPOFF_XMM_OFF; break; case UNW_X86_FEA: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_DATAOFF_OFF; xmm_off = FREEBSD_UC_MCONTEXT_DATAOFF_XMM_OFF; break; case UNW_X86_FDS: is_fpstate = 1; off = FREEBSD_US_MCONTEXT_DATASEL_OFF; xmm_off = FREEBSD_US_MCONTEXT_DATASEL_XMM_OFF; break; case UNW_X86_MXCSR: is_fpstate = 1; is_xmmstate = 1; xmm_off = FREEBSD_UC_MCONTEXT_MXCSR_XMM_OFF; break; /* stacked fp registers */ case UNW_X86_ST0: case UNW_X86_ST1: case UNW_X86_ST2: case UNW_X86_ST3: case UNW_X86_ST4: case UNW_X86_ST5: case UNW_X86_ST6: case UNW_X86_ST7: is_fpstate = 1; off = FREEBSD_UC_MCONTEXT_ST0_OFF + 10*(reg - UNW_X86_ST0); xmm_off = FREEBSD_UC_MCONTEXT_ST0_XMM_OFF + 10*(reg - UNW_X86_ST0); break; /* SSE fp registers */ case UNW_X86_XMM0_lo: case UNW_X86_XMM0_hi: case UNW_X86_XMM1_lo: case UNW_X86_XMM1_hi: case UNW_X86_XMM2_lo: case UNW_X86_XMM2_hi: case UNW_X86_XMM3_lo: case UNW_X86_XMM3_hi: case UNW_X86_XMM4_lo: case UNW_X86_XMM4_hi: case UNW_X86_XMM5_lo: case UNW_X86_XMM5_hi: case UNW_X86_XMM6_lo: case UNW_X86_XMM6_hi: case UNW_X86_XMM7_lo: case UNW_X86_XMM7_hi: is_fpstate = 1; is_xmmstate = 1; xmm_off = FREEBSD_UC_MCONTEXT_XMM0_OFF + 8*(reg - UNW_X86_XMM0_lo); break; case UNW_X86_XMM0: case UNW_X86_XMM1: case UNW_X86_XMM2: case UNW_X86_XMM3: case UNW_X86_XMM4: case UNW_X86_XMM5: case UNW_X86_XMM6: case UNW_X86_XMM7: is_fpstate = 1; is_xmmstate = 1; xmm_off = FREEBSD_UC_MCONTEXT_XMM0_OFF + 16*(reg - UNW_X86_XMM0); break; case UNW_X86_FOP: case UNW_X86_TSS: case UNW_X86_LDT: default: return DWARF_REG_LOC (&c->dwarf, reg); } if (is_fpstate) { if ((ret = dwarf_get (&c->dwarf, DWARF_MEM_LOC (&c->dwarf, addr + FREEBSD_UC_MCONTEXT_FPSTATE_OFF), &fpstate)) < 0) return DWARF_NULL_LOC; if (fpstate == FREEBSD_UC_MCONTEXT_FPOWNED_NONE) return DWARF_NULL_LOC; if ((ret = dwarf_get (&c->dwarf, DWARF_MEM_LOC (&c->dwarf, addr + FREEBSD_UC_MCONTEXT_FPFORMAT_OFF), &fpformat)) < 0) return DWARF_NULL_LOC; if (fpformat == FREEBSD_UC_MCONTEXT_FPFMT_NODEV || (is_xmmstate && fpformat != FREEBSD_UC_MCONTEXT_FPFMT_XMM)) return DWARF_NULL_LOC; if (is_xmmstate) off = xmm_off; } return DWARF_MEM_LOC (c, addr + off); } #ifndef UNW_REMOTE_ONLY HIDDEN void * x86_r_uc_addr (ucontext_t *uc, int reg) { void *addr; switch (reg) { case UNW_X86_GS: addr = &uc->uc_mcontext.mc_gs; break; case UNW_X86_FS: addr = &uc->uc_mcontext.mc_fs; break; case UNW_X86_ES: addr = &uc->uc_mcontext.mc_es; break; case UNW_X86_DS: addr = &uc->uc_mcontext.mc_ds; break; case UNW_X86_EAX: addr = &uc->uc_mcontext.mc_eax; break; case UNW_X86_EBX: addr = &uc->uc_mcontext.mc_ebx; break; case UNW_X86_ECX: addr = &uc->uc_mcontext.mc_ecx; break; case UNW_X86_EDX: addr = &uc->uc_mcontext.mc_edx; break; case UNW_X86_ESI: addr = &uc->uc_mcontext.mc_esi; break; case UNW_X86_EDI: addr = &uc->uc_mcontext.mc_edi; break; case UNW_X86_EBP: addr = &uc->uc_mcontext.mc_ebp; break; case UNW_X86_EIP: addr = &uc->uc_mcontext.mc_eip; break; case UNW_X86_ESP: addr = &uc->uc_mcontext.mc_esp; break; case UNW_X86_TRAPNO: addr = &uc->uc_mcontext.mc_trapno; break; case UNW_X86_CS: addr = &uc->uc_mcontext.mc_cs; break; case UNW_X86_EFLAGS: addr = &uc->uc_mcontext.mc_eflags; break; case UNW_X86_SS: addr = &uc->uc_mcontext.mc_ss; break; default: addr = NULL; } return addr; } HIDDEN int x86_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { struct cursor *c = (struct cursor *) cursor; ucontext_t *uc = c->uc; /* Ensure c->pi is up-to-date. On x86, it's relatively common to be missing DWARF unwind info. We don't want to fail in that case, because the frame-chain still would let us do a backtrace at least. */ dwarf_make_proc_info (&c->dwarf); if (c->sigcontext_format == X86_SCF_NONE) { Debug (8, "resuming at ip=%x via setcontext()\n", c->dwarf.ip); setcontext (uc); abort(); } else if (c->sigcontext_format == X86_SCF_FREEBSD_SIGFRAME) { struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; Debug (8, "resuming at ip=%x via sigreturn(%p)\n", c->dwarf.ip, sc); sigreturn((ucontext_t *)((const char *)sc + FREEBSD_SC_UCONTEXT_OFF)); abort(); } else { Debug (8, "resuming at ip=%x for sigcontext format %d not implemented\n", c->dwarf.ip, c->sigcontext_format); abort(); } return -UNW_EINVAL; } #endif libunwind-1.3.2/src/x86/Gapply_reg_state.c0000644000175000017500000000300513406755365015316 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); } libunwind-1.3.2/src/x86/Lcreate_addr_space.c0000644000175000017500000000021613406556425015546 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/x86/Lget_proc_info.c0000644000175000017500000000021213406556425014747 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/x86/is_fpreg.c0000644000175000017500000000273713406755365013636 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "libunwind_i.h" int unw_is_fpreg (int regnum) { return ((regnum >= UNW_X86_ST0 && regnum <= UNW_X86_ST7) || (regnum >= UNW_X86_XMM0_lo && regnum <= UNW_X86_XMM7_hi) || (regnum >= UNW_X86_XMM0 && regnum <= UNW_X86_XMM7)); } libunwind-1.3.2/src/x86/Gregs.c0000644000175000017500000001132413406556425013073 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include "unwind_i.h" HIDDEN dwarf_loc_t x86_scratch_loc (struct cursor *c, unw_regnum_t reg) { if (c->sigcontext_addr) return x86_get_scratch_loc (c, reg); else return DWARF_REG_LOC (&c->dwarf, reg); } HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { dwarf_loc_t loc = DWARF_NULL_LOC; unsigned int mask; int arg_num; switch (reg) { case UNW_X86_EIP: if (write) c->dwarf.ip = *valp; /* also update the EIP cache */ loc = c->dwarf.loc[EIP]; break; case UNW_X86_CFA: case UNW_X86_ESP: if (write) return -UNW_EREADONLYREG; *valp = c->dwarf.cfa; return 0; case UNW_X86_EAX: case UNW_X86_EDX: arg_num = reg - UNW_X86_EAX; mask = (1 << arg_num); if (write) { c->dwarf.eh_args[arg_num] = *valp; c->dwarf.eh_valid_mask |= mask; return 0; } else if ((c->dwarf.eh_valid_mask & mask) != 0) { *valp = c->dwarf.eh_args[arg_num]; return 0; } else loc = c->dwarf.loc[(reg == UNW_X86_EAX) ? EAX : EDX]; break; case UNW_X86_ECX: loc = c->dwarf.loc[ECX]; break; case UNW_X86_EBX: loc = c->dwarf.loc[EBX]; break; case UNW_X86_EBP: loc = c->dwarf.loc[EBP]; break; case UNW_X86_ESI: loc = c->dwarf.loc[ESI]; break; case UNW_X86_EDI: loc = c->dwarf.loc[EDI]; break; case UNW_X86_EFLAGS: loc = c->dwarf.loc[EFLAGS]; break; case UNW_X86_TRAPNO: loc = c->dwarf.loc[TRAPNO]; break; case UNW_X86_FCW: case UNW_X86_FSW: case UNW_X86_FTW: case UNW_X86_FOP: case UNW_X86_FCS: case UNW_X86_FIP: case UNW_X86_FEA: case UNW_X86_FDS: case UNW_X86_MXCSR: case UNW_X86_GS: case UNW_X86_FS: case UNW_X86_ES: case UNW_X86_DS: case UNW_X86_SS: case UNW_X86_CS: case UNW_X86_TSS: case UNW_X86_LDT: loc = x86_scratch_loc (c, reg); break; default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_put (&c->dwarf, loc, *valp); else return dwarf_get (&c->dwarf, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write) { struct dwarf_loc loc = DWARF_NULL_LOC; switch (reg) { case UNW_X86_ST0: loc = c->dwarf.loc[ST0]; break; /* stacked fp registers */ case UNW_X86_ST1: case UNW_X86_ST2: case UNW_X86_ST3: case UNW_X86_ST4: case UNW_X86_ST5: case UNW_X86_ST6: case UNW_X86_ST7: /* SSE fp registers */ case UNW_X86_XMM0: case UNW_X86_XMM1: case UNW_X86_XMM2: case UNW_X86_XMM3: case UNW_X86_XMM4: case UNW_X86_XMM5: case UNW_X86_XMM6: case UNW_X86_XMM7: case UNW_X86_XMM0_lo: case UNW_X86_XMM0_hi: case UNW_X86_XMM1_lo: case UNW_X86_XMM1_hi: case UNW_X86_XMM2_lo: case UNW_X86_XMM2_hi: case UNW_X86_XMM3_lo: case UNW_X86_XMM3_hi: case UNW_X86_XMM4_lo: case UNW_X86_XMM4_hi: case UNW_X86_XMM5_lo: case UNW_X86_XMM5_hi: case UNW_X86_XMM6_lo: case UNW_X86_XMM6_hi: case UNW_X86_XMM7_lo: case UNW_X86_XMM7_hi: loc = x86_scratch_loc (c, reg); break; default: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } if (write) return dwarf_putfp (&c->dwarf, loc, *valp); else return dwarf_getfp (&c->dwarf, loc, valp); } libunwind-1.3.2/src/x86/Lresume.c0000644000175000017500000000020313406556425013432 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/x86/init.h0000644000175000017500000000521113406755365012776 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static inline int common_init (struct cursor *c, unsigned use_prev_instr) { int ret, i; c->dwarf.loc[EAX] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EAX); c->dwarf.loc[ECX] = DWARF_REG_LOC (&c->dwarf, UNW_X86_ECX); c->dwarf.loc[EDX] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EDX); c->dwarf.loc[EBX] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EBX); c->dwarf.loc[ESP] = DWARF_REG_LOC (&c->dwarf, UNW_X86_ESP); c->dwarf.loc[EBP] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EBP); c->dwarf.loc[ESI] = DWARF_REG_LOC (&c->dwarf, UNW_X86_ESI); c->dwarf.loc[EDI] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EDI); c->dwarf.loc[EIP] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EIP); c->dwarf.loc[EFLAGS] = DWARF_REG_LOC (&c->dwarf, UNW_X86_EFLAGS); c->dwarf.loc[TRAPNO] = DWARF_REG_LOC (&c->dwarf, UNW_X86_TRAPNO); c->dwarf.loc[ST0] = DWARF_REG_LOC (&c->dwarf, UNW_X86_ST0); for (i = ST0 + 1; i < DWARF_NUM_PRESERVED_REGS; ++i) c->dwarf.loc[i] = DWARF_NULL_LOC; ret = dwarf_get (&c->dwarf, c->dwarf.loc[EIP], &c->dwarf.ip); if (ret < 0) return ret; ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_X86_ESP), &c->dwarf.cfa); if (ret < 0) return ret; c->sigcontext_format = X86_SCF_NONE; c->sigcontext_addr = 0; c->dwarf.args_size = 0; c->dwarf.stash_frames = 0; c->dwarf.use_prev_instr = use_prev_instr; c->dwarf.pi_valid = 0; c->dwarf.pi_is_dynamic = 0; c->dwarf.hint = 0; c->dwarf.prev_rs = 0; return 0; } libunwind-1.3.2/src/ia64/0000755000175000017500000000000013640673451012054 500000000000000libunwind-1.3.2/src/ia64/unwind_i.h0000644000175000017500000005264213406556425013773 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef unwind_i_h #define unwind_i_h #include #include #include #include "rse.h" #include "libunwind_i.h" #define IA64_UNW_VER(x) ((x) >> 48) #define IA64_UNW_FLAG_MASK ((unw_word_t) 0x0000ffff00000000ULL) #define IA64_UNW_FLAG_OSMASK ((unw_word_t) 0x0000f00000000000ULL) #define IA64_UNW_FLAG_EHANDLER(x) ((x) & (unw_word_t) 0x0000000100000000ULL) #define IA64_UNW_FLAG_UHANDLER(x) ((x) & (unw_word_t) 0x0000000200000000ULL) #define IA64_UNW_LENGTH(x) ((x) & (unw_word_t) 0x00000000ffffffffULL) #ifdef MIN # undef MIN #endif #define MIN(a,b) ((a) < (b) ? (a) : (b)) #if !defined(HAVE_SYS_UC_ACCESS_H) && !defined(UNW_REMOTE_ONLY) static ALWAYS_INLINE void * inlined_uc_addr (ucontext_t *uc, int reg, uint8_t *nat_bitnr) { unw_word_t reg_addr; void *addr; switch (reg) { case UNW_IA64_GR + 0: addr = &unw.read_only.r0; break; case UNW_IA64_NAT + 0: addr = &unw.read_only.r0; break; case UNW_IA64_FR + 0: addr = &unw.read_only.f0; break; case UNW_IA64_FR + 1: if (__BYTE_ORDER == __BIG_ENDIAN) addr = &unw.read_only.f1_be; else addr = &unw.read_only.f1_le; break; case UNW_IA64_IP: addr = &uc->uc_mcontext.sc_br[0]; break; case UNW_IA64_CFM: addr = &uc->uc_mcontext.sc_ar_pfs; break; case UNW_IA64_AR_RNAT: addr = &uc->uc_mcontext.sc_ar_rnat; break; case UNW_IA64_AR_UNAT: addr = &uc->uc_mcontext.sc_ar_unat; break; case UNW_IA64_AR_LC: addr = &uc->uc_mcontext.sc_ar_lc; break; case UNW_IA64_AR_FPSR: addr = &uc->uc_mcontext.sc_ar_fpsr; break; case UNW_IA64_PR: addr = &uc->uc_mcontext.sc_pr; break; case UNW_IA64_AR_BSPSTORE: addr = &uc->uc_mcontext.sc_ar_bsp; break; case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7: case UNW_IA64_GR + 12: addr = &uc->uc_mcontext.sc_gr[reg - UNW_IA64_GR]; break; case UNW_IA64_NAT + 4 ... UNW_IA64_NAT + 7: case UNW_IA64_NAT + 12: addr = &uc->uc_mcontext.sc_nat; reg_addr = (unw_word_t) &uc->uc_mcontext.sc_gr[reg - UNW_IA64_NAT]; *nat_bitnr = reg - UNW_IA64_NAT; break; case UNW_IA64_BR + 1 ... UNW_IA64_BR + 5: addr = &uc->uc_mcontext.sc_br[reg - UNW_IA64_BR]; break; case UNW_IA64_FR+ 2 ... UNW_IA64_FR+ 5: case UNW_IA64_FR+16 ... UNW_IA64_FR+31: addr = &uc->uc_mcontext.sc_fr[reg - UNW_IA64_FR]; break; default: addr = NULL; } return addr; } static inline void * uc_addr (ucontext_t *uc, int reg, uint8_t *nat_bitnr) { if (__builtin_constant_p (reg)) return inlined_uc_addr (uc, reg, nat_bitnr); else return tdep_uc_addr (uc, reg, nat_bitnr); } /* Return TRUE if ADDR points inside unw.read_only_reg. */ static inline long ia64_read_only_reg (void *addr) { return ((unsigned long) ((char *) addr - (char *) &unw.read_only) < sizeof (unw.read_only)); } #endif /* !defined(HAVE_SYS_UC_ACCESS_H) && !defined(UNW_REMOTE_ONLY) */ /* Bits 0 and 1 of a location are used to encode its type: bit 0: set if location uses floating-point format. bit 1: set if location is a NaT bit on memory stack. */ #define IA64_LOC_TYPE_FP (1 << 0) #define IA64_LOC_TYPE_MEMSTK_NAT (1 << 1) #ifdef UNW_LOCAL_ONLY #define IA64_LOC_REG(r,t) (((r) << 2) | (t)) #define IA64_LOC_ADDR(a,t) (((a) & ~0x3) | (t)) #define IA64_LOC_UC_ADDR(a,t) IA64_LOC_ADDR(a, t) #define IA64_NULL_LOC (0) #define IA64_GET_REG(l) ((l) >> 2) #define IA64_GET_ADDR(l) ((l) & ~0x3) #define IA64_IS_NULL_LOC(l) ((l) == 0) #define IA64_IS_FP_LOC(l) (((l) & IA64_LOC_TYPE_FP) != 0) #define IA64_IS_MEMSTK_NAT(l) (((l) & IA64_LOC_TYPE_MEMSTK_NAT) != 0) #define IA64_IS_REG_LOC(l) 0 #define IA64_IS_UC_LOC(l) 0 #define IA64_REG_LOC(c,r) ((unw_word_t) uc_addr((c)->as_arg, r, NULL)) #define IA64_REG_NAT_LOC(c,r,n) ((unw_word_t) uc_addr((c)->as_arg, r, n)) #define IA64_FPREG_LOC(c,r) \ ((unw_word_t) uc_addr((c)->as_arg, (r), NULL) | IA64_LOC_TYPE_FP) # define ia64_find_proc_info(c,ip,n) \ tdep_find_proc_info(unw_local_addr_space, (ip), &(c)->pi, (n), \ (c)->as_arg) # define ia64_put_unwind_info(c, pi) do { ; } while (0) /* Note: the register accessors (ia64_{get,set}{,fp}()) must check for NULL locations because uc_addr() returns NULL for unsaved registers. */ static inline int ia64_getfp (struct cursor *c, unw_word_t loc, unw_fpreg_t *val) { if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } *val = *(unw_fpreg_t *) IA64_GET_ADDR (loc); return 0; } static inline int ia64_putfp (struct cursor *c, unw_word_t loc, unw_fpreg_t val) { unw_fpreg_t *addr = (unw_fpreg_t *) IA64_GET_ADDR (loc); if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } else if (ia64_read_only_reg (addr)) { Debug (16, "attempt to read-only register\n"); return -UNW_EREADONLYREG; } *addr = val; return 0; } static inline int ia64_get (struct cursor *c, unw_word_t loc, unw_word_t *val) { if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } *val = *(unw_word_t *) IA64_GET_ADDR (loc); return 0; } static inline int ia64_put (struct cursor *c, unw_word_t loc, unw_word_t val) { unw_word_t *addr = (unw_word_t *) IA64_GET_ADDR (loc); if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } else if (ia64_read_only_reg (addr)) { Debug (16, "attempt to read-only register\n"); return -UNW_EREADONLYREG; } *addr = val; return 0; } #else /* !UNW_LOCAL_ONLY */ /* Bits 0 and 1 of the second word (w1) of a location are used to further distinguish what location we're dealing with: bit 0: set if the location is a register bit 1: set of the location is accessed via uc_access(3) */ #define IA64_LOC_TYPE_REG (1 << 0) #define IA64_LOC_TYPE_UC (1 << 1) #define IA64_LOC_REG(r,t) ((ia64_loc_t) { ((r) << 2) | (t), \ IA64_LOC_TYPE_REG }) #define IA64_LOC_ADDR(a,t) ((ia64_loc_t) { ((a) & ~0x3) | (t), 0 }) #define IA64_LOC_UC_ADDR(a,t) ((ia64_loc_t) { ((a) & ~0x3) | (t), \ IA64_LOC_TYPE_UC }) #define IA64_LOC_UC_REG(r,a) ((ia64_loc_t) { ((r) << 2), \ ((a) | IA64_LOC_TYPE_REG \ | IA64_LOC_TYPE_UC) }) #define IA64_NULL_LOC ((ia64_loc_t) { 0, 0 }) #define IA64_GET_REG(l) ((l).w0 >> 2) #define IA64_GET_ADDR(l) ((l).w0 & ~0x3) #define IA64_GET_AUX_ADDR(l) ((l).w1 & ~0x3) #define IA64_IS_NULL_LOC(l) (((l).w0 | (l).w1) == 0) #define IA64_IS_FP_LOC(l) (((l).w0 & IA64_LOC_TYPE_FP) != 0) #define IA64_IS_MEMSTK_NAT(l) (((l).w0 & IA64_LOC_TYPE_MEMSTK_NAT) != 0) #define IA64_IS_REG_LOC(l) (((l).w1 & IA64_LOC_TYPE_REG) != 0) #define IA64_IS_UC_LOC(l) (((l).w1 & IA64_LOC_TYPE_UC) != 0) #define IA64_REG_LOC(c,r) IA64_LOC_REG ((r), 0) #define IA64_REG_NAT_LOC(c,r,n) IA64_LOC_REG ((r), 0) #define IA64_FPREG_LOC(c,r) IA64_LOC_REG ((r), IA64_LOC_TYPE_FP) # define ia64_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define ia64_put_unwind_info(c,pi) \ (*(c)->as->acc.put_unwind_info)((c)->as, (pi), (c)->as_arg) #define ia64_uc_access_reg UNW_OBJ(uc_access_reg) #define ia64_uc_access_fpreg UNW_OBJ(uc_access_fpreg) extern int ia64_uc_access_reg (struct cursor *c, ia64_loc_t loc, unw_word_t *valp, int write); extern int ia64_uc_access_fpreg (struct cursor *c, ia64_loc_t loc, unw_fpreg_t *valp, int write); static inline int ia64_getfp (struct cursor *c, ia64_loc_t loc, unw_fpreg_t *val) { unw_word_t addr; int ret; if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } if (IA64_IS_UC_LOC (loc)) return ia64_uc_access_fpreg (c, loc, val, 0); if (IA64_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, IA64_GET_REG (loc), val, 0, c->as_arg); addr = IA64_GET_ADDR (loc); ret = (*c->as->acc.access_mem) (c->as, addr + 0, &val->raw.bits[0], 0, c->as_arg); if (ret < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, &val->raw.bits[1], 0, c->as_arg); } static inline int ia64_putfp (struct cursor *c, ia64_loc_t loc, unw_fpreg_t val) { unw_word_t addr; int ret; if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } if (IA64_IS_UC_LOC (loc)) return ia64_uc_access_fpreg (c, loc, &val, 1); if (IA64_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, IA64_GET_REG (loc), &val, 1, c->as_arg); addr = IA64_GET_ADDR (loc); ret = (*c->as->acc.access_mem) (c->as, addr + 0, &val.raw.bits[0], 1, c->as_arg); if (ret < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, &val.raw.bits[1], 1, c->as_arg); } /* Get the 64 data bits from location LOC. If bit 0 is cleared, LOC is a memory address, otherwise it is a register number. If the register is a floating-point register, the 64 bits are read from the significand bits. */ static inline int ia64_get (struct cursor *c, ia64_loc_t loc, unw_word_t *val) { if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } if (IA64_IS_FP_LOC (loc)) { unw_fpreg_t tmp; int ret; ret = ia64_getfp (c, loc, &tmp); if (ret < 0) return ret; if (c->as->big_endian) *val = tmp.raw.bits[1]; else *val = tmp.raw.bits[0]; return 0; } if (IA64_IS_UC_LOC (loc)) return ia64_uc_access_reg (c, loc, val, 0); if (IA64_IS_REG_LOC (loc)) return (*c->as->acc.access_reg)(c->as, IA64_GET_REG (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem)(c->as, IA64_GET_ADDR (loc), val, 0, c->as_arg); } static inline int ia64_put (struct cursor *c, ia64_loc_t loc, unw_word_t val) { if (IA64_IS_NULL_LOC (loc)) { Debug (16, "access to unsaved register\n"); return -UNW_EBADREG; } if (IA64_IS_FP_LOC (loc)) { unw_fpreg_t tmp; memset (&tmp, 0, sizeof (tmp)); if (c->as->big_endian) tmp.raw.bits[1] = val; else tmp.raw.bits[0] = val; return ia64_putfp (c, loc, tmp); } if (IA64_IS_UC_LOC (loc)) return ia64_uc_access_reg (c, loc, &val, 1); if (IA64_IS_REG_LOC (loc)) return (*c->as->acc.access_reg)(c->as, IA64_GET_REG (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem)(c->as, IA64_GET_ADDR (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ struct ia64_unwind_block { unw_word_t header; unw_word_t desc[0]; /* unwind descriptors */ /* Personality routine and language-specific data follow behind descriptors. */ }; enum ia64_where { IA64_WHERE_NONE, /* register isn't saved at all */ IA64_WHERE_GR, /* register is saved in a general register */ IA64_WHERE_FR, /* register is saved in a floating-point register */ IA64_WHERE_BR, /* register is saved in a branch register */ IA64_WHERE_SPREL, /* register is saved on memstack (sp-relative) */ IA64_WHERE_PSPREL, /* register is saved on memstack (psp-relative) */ /* At the end of each prologue these locations get resolved to IA64_WHERE_PSPREL and IA64_WHERE_GR, respectively: */ IA64_WHERE_SPILL_HOME, /* register is saved in its spill home */ IA64_WHERE_GR_SAVE /* register is saved in next general register */ }; #define IA64_WHEN_NEVER 0x7fffffff struct ia64_reg_info { unw_word_t val; /* save location: register number or offset */ enum ia64_where where; /* where the register gets saved */ int when; /* when the register gets saved */ }; struct ia64_labeled_state; /* opaque structure */ struct ia64_reg_state { struct ia64_reg_state *next; /* next (outer) element on state stack */ struct ia64_reg_info reg[IA64_NUM_PREGS]; /* register save locations */ }; struct ia64_state_record { unsigned int first_region : 1; /* is this the first region? */ unsigned int done : 1; /* are we done scanning descriptors? */ unsigned int any_spills : 1; /* got any register spills? */ unsigned int in_body : 1; /* are we inside prologue or body? */ uint8_t *imask; /* imask of spill_mask record or NULL */ uint16_t abi_marker; unw_word_t pr_val; /* predicate values */ unw_word_t pr_mask; /* predicate mask */ long spill_offset; /* psp-relative offset for spill base */ int region_start; int region_len; int when_sp_restored; int epilogue_count; int when_target; uint8_t gr_save_loc; /* next save register */ uint8_t return_link_reg; /* branch register used as return pointer */ struct ia64_labeled_state *labeled_states; struct ia64_reg_state curr; }; struct ia64_labeled_state { struct ia64_labeled_state *next; /* next label (or NULL) */ unsigned long label; /* label for this state */ struct ia64_reg_state saved_state; }; /* Convenience macros: */ #define ia64_make_proc_info UNW_OBJ(make_proc_info) #define ia64_fetch_proc_info UNW_OBJ(fetch_proc_info) #define ia64_create_state_record UNW_OBJ(create_state_record) #define ia64_free_state_record UNW_OBJ(free_state_record) #define ia64_find_save_locs UNW_OBJ(find_save_locs) #define ia64_validate_cache UNW_OBJ(ia64_validate_cache) #define ia64_local_validate_cache UNW_OBJ(ia64_local_validate_cache) #define ia64_per_thread_cache UNW_OBJ(per_thread_cache) #define ia64_scratch_loc UNW_OBJ(scratch_loc) #define ia64_local_resume UNW_OBJ(local_resume) #define ia64_local_addr_space_init UNW_OBJ(local_addr_space_init) #define ia64_strloc UNW_OBJ(strloc) #define ia64_install_cursor UNW_OBJ(install_cursor) #define rbs_switch UNW_OBJ(rbs_switch) #define rbs_find_stacked UNW_OBJ(rbs_find_stacked) extern int ia64_make_proc_info (struct cursor *c); extern int ia64_fetch_proc_info (struct cursor *c, unw_word_t ip, int need_unwind_info); /* The proc-info must be valid for IP before this routine can be called: */ extern int ia64_create_state_record (struct cursor *c, struct ia64_state_record *sr); extern int ia64_free_state_record (struct ia64_state_record *sr); extern int ia64_find_save_locs (struct cursor *c); extern void ia64_validate_cache (unw_addr_space_t as, void *arg); extern int ia64_local_validate_cache (unw_addr_space_t as, void *arg); extern void ia64_local_addr_space_init (void); extern ia64_loc_t ia64_scratch_loc (struct cursor *c, unw_regnum_t reg, uint8_t *nat_bitnr); extern NORETURN void ia64_install_cursor (struct cursor *c, unw_word_t pri_unat, unw_word_t *extra, unw_word_t bspstore, unw_word_t dirty_size, unw_word_t *dirty_partition, unw_word_t dirty_rnat); extern int ia64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg); extern int rbs_switch (struct cursor *c, unw_word_t saved_bsp, unw_word_t saved_bspstore, ia64_loc_t saved_rnat_loc); extern int rbs_find_stacked (struct cursor *c, unw_word_t regs_to_skip, ia64_loc_t *locp, ia64_loc_t *rnat_locp); #ifndef UNW_REMOTE_ONLY # define NEED_RBS_COVER_AND_FLUSH # define rbs_cover_and_flush UNW_OBJ(rbs_cover_and_flush) extern int rbs_cover_and_flush (struct cursor *c, unw_word_t nregs, unw_word_t *dirty_partition, unw_word_t *dirty_rnat, unw_word_t *bspstore); #endif /* Warning: ia64_strloc() is for debugging only and it is NOT re-entrant! */ extern const char *ia64_strloc (ia64_loc_t loc); /* Return true if the register-backing store is inside a ucontext_t that needs to be accessed via uc_access(3). */ static inline int rbs_on_uc (struct rbs_area *rbs) { return IA64_IS_UC_LOC (rbs->rnat_loc) && !IA64_IS_REG_LOC (rbs->rnat_loc); } /* Return true if BSP points to a word that's stored on register backing-store RBS. */ static inline int rbs_contains (struct rbs_area *rbs, unw_word_t bsp) { int result; /* Caveat: this takes advantage of unsigned arithmetic. The full test is (bsp >= rbs->end - rbs->size) && (bsp < rbs->end). We take advantage of the fact that -n == ~n + 1. */ result = bsp - rbs->end > ~rbs->size; Debug (16, "0x%lx in [0x%lx-0x%lx) => %d\n", (long) bsp, (long) (rbs->end - rbs->size), (long) rbs->end, result); return result; } static inline ia64_loc_t rbs_get_rnat_loc (struct rbs_area *rbs, unw_word_t bsp) { unw_word_t rnat_addr = rse_rnat_addr (bsp); ia64_loc_t rnat_loc; if (rbs_contains (rbs, rnat_addr)) { if (rbs_on_uc (rbs)) rnat_loc = IA64_LOC_UC_ADDR (rnat_addr, 0); else rnat_loc = IA64_LOC_ADDR (rnat_addr, 0); } else rnat_loc = rbs->rnat_loc; return rnat_loc; } static inline ia64_loc_t rbs_loc (struct rbs_area *rbs, unw_word_t bsp) { if (rbs_on_uc (rbs)) return IA64_LOC_UC_ADDR (bsp, 0); else return IA64_LOC_ADDR (bsp, 0); } static inline int ia64_get_stacked (struct cursor *c, unw_word_t reg, ia64_loc_t *locp, ia64_loc_t *rnat_locp) { struct rbs_area *rbs = c->rbs_area + c->rbs_curr; unw_word_t addr, regs_to_skip = reg - 32; int ret = 0; assert (reg >= 32 && reg < 128); addr = rse_skip_regs (c->bsp, regs_to_skip); if (locp) *locp = rbs_loc (rbs, addr); if (rnat_locp) *rnat_locp = rbs_get_rnat_loc (rbs, addr); if (!rbs_contains (rbs, addr)) ret = rbs_find_stacked (c, regs_to_skip, locp, rnat_locp); return ret; } /* The UNaT slot # calculation is identical to the one for RNaT slots, but for readability/clarity, we don't want to use ia64_rnat_slot_num() directly. */ #define ia64_unat_slot_num(addr) rse_slot_num(addr) /* The following are helper macros which makes it easier for libunwind to be used in the kernel. They allow the kernel to optimize away any unused code without littering everything with #ifdefs. */ #define ia64_is_big_endian(c) ((c)->as->big_endian) #define ia64_get_abi(c) ((c)->as->abi) #define ia64_set_abi(c, v) ((c)->as->abi = (v)) #define ia64_get_abi_marker(c) ((c)->last_abi_marker) /* XXX should be in glibc: */ #ifndef IA64_SC_FLAG_ONSTACK # define IA64_SC_FLAG_ONSTACK_BIT 0 /* running on signal stack? */ # define IA64_SC_FLAG_IN_SYSCALL_BIT 1 /* did signal interrupt a syscall? */ # define IA64_SC_FLAG_FPH_VALID_BIT 2 /* is state in f[32]-f[127] valid? */ # define IA64_SC_FLAG_ONSTACK (1 << IA64_SC_FLAG_ONSTACK_BIT) # define IA64_SC_FLAG_IN_SYSCALL (1 << IA64_SC_FLAG_IN_SYSCALL_BIT) # define IA64_SC_FLAG_FPH_VALID (1 << IA64_SC_FLAG_FPH_VALID_BIT) #endif #endif /* unwind_i_h */ libunwind-1.3.2/src/ia64/Gget_save_loc.c0000644000175000017500000001271513406755365014714 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "rse.h" #include "offsets.h" #include "regs.h" int unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) { struct cursor *c = (struct cursor *) cursor; ia64_loc_t loc, reg_loc; uint8_t nat_bitnr; int ret; loc = IA64_NULL_LOC; /* default to "not saved" */ switch (reg) { /* frame registers */ case UNW_IA64_BSP: case UNW_REG_SP: default: break; case UNW_REG_IP: loc = c->loc[IA64_REG_IP]; break; /* preserved registers: */ case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7: loc = c->loc[IA64_REG_R4 + (reg - (UNW_IA64_GR + 4))]; break; case UNW_IA64_NAT + 4 ... UNW_IA64_NAT + 7: loc = c->loc[IA64_REG_NAT4 + (reg - (UNW_IA64_NAT + 4))]; reg_loc = c->loc[IA64_REG_R4 + (reg - (UNW_IA64_NAT + 4))]; nat_bitnr = c->nat_bitnr[reg - (UNW_IA64_NAT + 4)]; if (IA64_IS_FP_LOC (reg_loc)) /* NaT bit saved as a NaTVal. */ loc = reg_loc; break; case UNW_IA64_FR + 2: loc = c->loc[IA64_REG_F2]; break; case UNW_IA64_FR + 3: loc = c->loc[IA64_REG_F3]; break; case UNW_IA64_FR + 4: loc = c->loc[IA64_REG_F4]; break; case UNW_IA64_FR + 5: loc = c->loc[IA64_REG_F5]; break; case UNW_IA64_FR + 16 ... UNW_IA64_FR + 31: loc = c->loc[IA64_REG_F16 + (reg - (UNW_IA64_FR + 16))]; break; case UNW_IA64_AR_BSP: loc = c->loc[IA64_REG_BSP]; break; case UNW_IA64_AR_BSPSTORE: loc = c->loc[IA64_REG_BSPSTORE]; break; case UNW_IA64_AR_PFS: loc = c->loc[IA64_REG_PFS]; break; case UNW_IA64_AR_RNAT: loc = c->loc[IA64_REG_RNAT]; break; case UNW_IA64_AR_UNAT: loc = c->loc[IA64_REG_UNAT]; break; case UNW_IA64_AR_LC: loc = c->loc[IA64_REG_LC]; break; case UNW_IA64_AR_FPSR: loc = c->loc[IA64_REG_FPSR]; break; case UNW_IA64_BR + 1: loc = c->loc[IA64_REG_B1]; break; case UNW_IA64_BR + 2: loc = c->loc[IA64_REG_B2]; break; case UNW_IA64_BR + 3: loc = c->loc[IA64_REG_B3]; break; case UNW_IA64_BR + 4: loc = c->loc[IA64_REG_B4]; break; case UNW_IA64_BR + 5: loc = c->loc[IA64_REG_B5]; break; case UNW_IA64_CFM: loc = c->cfm_loc; break; case UNW_IA64_PR: loc = c->loc[IA64_REG_PR]; break; case UNW_IA64_GR + 32 ... UNW_IA64_GR + 127: /* stacked reg */ reg = rotate_gr (c, reg - UNW_IA64_GR); ret = ia64_get_stacked (c, reg, &loc, NULL); if (ret < 0) return ret; break; case UNW_IA64_NAT + 32 ... UNW_IA64_NAT + 127: /* stacked reg */ reg = rotate_gr (c, reg - UNW_IA64_NAT); ret = ia64_get_stacked (c, reg, NULL, &loc); break; case UNW_IA64_AR_EC: loc = c->cfm_loc; break; /* scratch & special registers: */ case UNW_IA64_GR + 0: case UNW_IA64_GR + 1: /* global pointer */ case UNW_IA64_NAT + 0: case UNW_IA64_NAT + 1: /* global pointer */ case UNW_IA64_FR + 0: case UNW_IA64_FR + 1: break; case UNW_IA64_NAT + 2 ... UNW_IA64_NAT + 3: case UNW_IA64_NAT + 8 ... UNW_IA64_NAT + 31: loc = ia64_scratch_loc (c, reg, &nat_bitnr); break; case UNW_IA64_GR + 2 ... UNW_IA64_GR + 3: case UNW_IA64_GR + 8 ... UNW_IA64_GR + 31: case UNW_IA64_BR + 0: case UNW_IA64_BR + 6: case UNW_IA64_BR + 7: case UNW_IA64_AR_RSC: case UNW_IA64_AR_CSD: case UNW_IA64_AR_SSD: case UNW_IA64_AR_CCV: loc = ia64_scratch_loc (c, reg, NULL); break; case UNW_IA64_FR + 6 ... UNW_IA64_FR + 15: loc = ia64_scratch_loc (c, reg, NULL); break; case UNW_IA64_FR + 32 ... UNW_IA64_FR + 127: reg = rotate_fr (c, reg - UNW_IA64_FR) + UNW_IA64_FR; loc = ia64_scratch_loc (c, reg, NULL); break; } memset (sloc, 0, sizeof (*sloc)); if (IA64_IS_NULL_LOC (loc)) { sloc->type = UNW_SLT_NONE; return 0; } #if !defined(UNW_LOCAL_ONLY) if (IA64_IS_REG_LOC (loc)) { sloc->type = UNW_SLT_REG; sloc->u.regnum = IA64_GET_REG (loc); sloc->extra.nat_bitnr = nat_bitnr; } else #endif { sloc->type = UNW_SLT_MEMORY; sloc->u.addr = IA64_GET_ADDR (loc); sloc->extra.nat_bitnr = nat_bitnr; } return 0; } libunwind-1.3.2/src/ia64/Ltables.c0000644000175000017500000000020313406556425013522 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gtables.c" #endif libunwind-1.3.2/src/ia64/Ginit_local.c0000644000175000017500000000570313406755365014376 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2003, 2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" #ifdef UNW_REMOTE_ONLY int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { return -UNW_EINVAL; } #else /* !UNW_REMOTE_ONLY */ static inline void set_as_arg (struct cursor *c, unw_context_t *uc) { #if defined(__linux) && defined(__KERNEL__) c->task = current; c->as_arg = &uc->sw; #else c->as_arg = uc; #endif } static inline int get_initial_stack_pointers (struct cursor *c, unw_context_t *uc, unw_word_t *sp, unw_word_t *bsp) { #if defined(__linux) unw_word_t sol, bspstore; #ifdef __KERNEL__ sol = (uc->sw.ar_pfs >> 7) & 0x7f; bspstore = uc->sw.ar_bspstore; *sp = uc->ksp; # else sol = (uc->uc_mcontext.sc_ar_pfs >> 7) & 0x7f; bspstore = uc->uc_mcontext.sc_ar_bsp; *sp = uc->uc_mcontext.sc_gr[12]; # endif *bsp = rse_skip_regs (bspstore, -sol); #elif defined(__hpux) int ret; if ((ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_GR + 12), sp)) < 0 || (ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_AR_BSP), bsp)) < 0) return ret; #else # error Fix me. #endif return 0; } int unw_init_local (unw_cursor_t *cursor, unw_context_t *uc) { struct cursor *c = (struct cursor *) cursor; unw_word_t sp, bsp; int ret; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); c->as = unw_local_addr_space; set_as_arg (c, uc); if ((ret = get_initial_stack_pointers (c, uc, &sp, &bsp)) < 0) return ret; Debug (4, "initial bsp=%lx, sp=%lx\n", bsp, sp); if ((ret = common_init (c, sp, bsp)) < 0) return ret; #ifdef __hpux /* On HP-UX, the context created by getcontext() points to the getcontext() system call stub. Step over it: */ ret = unw_step (cursor); #endif return ret; } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ia64/Gscript.c0000644000175000017500000005313513406755365013567 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include "regs.h" #include "unwind_i.h" enum ia64_script_insn_opcode { IA64_INSN_INC_PSP, /* psp += val */ IA64_INSN_LOAD_PSP, /* psp = *psp_loc */ IA64_INSN_ADD_PSP, /* s[dst] = (s.psp + val) */ IA64_INSN_ADD_PSP_NAT, /* like above, but with NaT info */ IA64_INSN_ADD_SP, /* s[dst] = (s.sp + val) */ IA64_INSN_ADD_SP_NAT, /* like above, but with NaT info */ IA64_INSN_MOVE, /* s[dst] = s[val] */ IA64_INSN_MOVE_NAT, /* like above, but with NaT info */ IA64_INSN_MOVE_NO_NAT, /* like above, but clear NaT info */ IA64_INSN_MOVE_STACKED, /* s[dst] = rse_skip(*s.bsp_loc, val) */ IA64_INSN_MOVE_STACKED_NAT, /* like above, but with NaT info */ IA64_INSN_MOVE_SCRATCH, /* s[dst] = scratch reg "val" */ IA64_INSN_MOVE_SCRATCH_NAT, /* like above, but with NaT info */ IA64_INSN_MOVE_SCRATCH_NO_NAT /* like above, but clear NaT info */ }; #if defined(HAVE___THREAD) && HAVE___THREAD static __thread struct ia64_script_cache ia64_per_thread_cache = { #ifdef HAVE_ATOMIC_OPS_H .busy = AO_TS_INITIALIZER #else .lock = PTHREAD_MUTEX_INITIALIZER #endif }; #endif static inline unw_hash_index_t CONST_ATTR hash (unw_word_t ip) { /* based on (sqrt(5)/2-1)*2^64 */ # define magic ((unw_word_t) 0x9e3779b97f4a7c16ULL) return (ip >> 4) * magic >> (64 - IA64_LOG_UNW_HASH_SIZE); } static inline long cache_match (struct ia64_script *script, unw_word_t ip, unw_word_t pr) { if (ip == script->ip && ((pr ^ script->pr_val) & script->pr_mask) == 0) return 1; return 0; } static inline void flush_script_cache (struct ia64_script_cache *cache) { int i; cache->lru_head = IA64_UNW_CACHE_SIZE - 1; cache->lru_tail = 0; for (i = 0; i < IA64_UNW_CACHE_SIZE; ++i) { if (i > 0) cache->buckets[i].lru_chain = (i - 1); cache->buckets[i].coll_chain = -1; cache->buckets[i].ip = 0; } for (i = 0; ihash[i] = -1; } static inline struct ia64_script_cache * get_script_cache (unw_addr_space_t as, intrmask_t *saved_maskp) { struct ia64_script_cache *cache = &as->global_cache; unw_caching_policy_t caching = as->caching_policy; if (caching == UNW_CACHE_NONE) return NULL; #ifdef HAVE_ATOMIC_H if (!spin_trylock_irqsave (&cache->busy, *saved_maskp)) return NULL; #else # if defined(HAVE___THREAD) && HAVE___THREAD if (as->caching_policy == UNW_CACHE_PER_THREAD) cache = &ia64_per_thread_cache; # endif # ifdef HAVE_ATOMIC_OPS_H if (AO_test_and_set (&cache->busy) == AO_TS_SET) return NULL; # else if (likely (caching == UNW_CACHE_GLOBAL)) { Debug (16, "acquiring lock\n"); lock_acquire (&cache->lock, *saved_maskp); } # endif #endif if (atomic_read (&as->cache_generation) != atomic_read (&cache->generation)) { flush_script_cache (cache); cache->generation = as->cache_generation; } return cache; } static inline void put_script_cache (unw_addr_space_t as, struct ia64_script_cache *cache, intrmask_t *saved_maskp) { assert (as->caching_policy != UNW_CACHE_NONE); Debug (16, "unmasking signals/interrupts and releasing lock\n"); #ifdef HAVE_ATOMIC_H spin_unlock_irqrestore (&cache->busy, *saved_maskp); #else # ifdef HAVE_ATOMIC_OPS_H AO_CLEAR (&cache->busy); # else if (likely (as->caching_policy == UNW_CACHE_GLOBAL)) lock_release (&cache->lock, *saved_maskp); # endif #endif } static struct ia64_script * script_lookup (struct ia64_script_cache *cache, struct cursor *c) { struct ia64_script *script = cache->buckets + c->hint; unsigned short index; unw_word_t ip, pr; ip = c->ip; pr = c->pr; if (cache_match (script, ip, pr)) return script; index = cache->hash[hash (ip)]; if (index >= IA64_UNW_CACHE_SIZE) return 0; script = cache->buckets + index; while (1) { if (cache_match (script, ip, pr)) { /* update hint; no locking needed: single-word writes are atomic */ c->hint = cache->buckets[c->prev_script].hint = (script - cache->buckets); return script; } if (script->coll_chain >= IA64_UNW_HASH_SIZE) return 0; script = cache->buckets + script->coll_chain; } } static inline void script_init (struct ia64_script *script, unw_word_t ip) { script->ip = ip; script->hint = 0; script->count = 0; script->abi_marker = 0; } static inline struct ia64_script * script_new (struct ia64_script_cache *cache, unw_word_t ip) { struct ia64_script *script, *prev, *tmp; unw_hash_index_t index; unsigned short head; head = cache->lru_head; script = cache->buckets + head; cache->lru_head = script->lru_chain; /* re-insert script at the tail of the LRU chain: */ cache->buckets[cache->lru_tail].lru_chain = head; cache->lru_tail = head; /* remove the old script from the hash table (if it's there): */ if (script->ip) { index = hash (script->ip); tmp = cache->buckets + cache->hash[index]; prev = 0; while (1) { if (tmp == script) { if (prev) prev->coll_chain = tmp->coll_chain; else cache->hash[index] = tmp->coll_chain; break; } else prev = tmp; if (tmp->coll_chain >= IA64_UNW_CACHE_SIZE) /* old script wasn't in the hash-table */ break; tmp = cache->buckets + tmp->coll_chain; } } /* enter new script in the hash table */ index = hash (ip); script->coll_chain = cache->hash[index]; cache->hash[index] = script - cache->buckets; script_init (script, ip); return script; } static inline void script_finalize (struct ia64_script *script, struct cursor *c, struct ia64_state_record *sr) { script->pr_mask = sr->pr_mask; script->pr_val = sr->pr_val; script->pi = c->pi; } static inline void script_emit (struct ia64_script *script, struct ia64_script_insn insn) { if (script->count >= IA64_MAX_SCRIPT_LEN) { Dprintf ("%s: script exceeds maximum size of %u instructions!\n", __FUNCTION__, IA64_MAX_SCRIPT_LEN); return; } script->insn[script->count++] = insn; } static void compile_reg (struct ia64_state_record *sr, int i, struct ia64_reg_info *r, struct ia64_script *script) { enum ia64_script_insn_opcode opc; unsigned long val, rval; struct ia64_script_insn insn; long is_preserved_gr; if (r->where == IA64_WHERE_NONE || r->when >= sr->when_target) return; opc = IA64_INSN_MOVE; val = rval = r->val; is_preserved_gr = (i >= IA64_REG_R4 && i <= IA64_REG_R7); if (r->where == IA64_WHERE_GR) { /* Handle most common case first... */ if (rval >= 32) { /* register got spilled to a stacked register */ if (is_preserved_gr) opc = IA64_INSN_MOVE_STACKED_NAT; else opc = IA64_INSN_MOVE_STACKED; val = rval; } else if (rval >= 4 && rval <= 7) { /* register got spilled to a preserved register */ val = IA64_REG_R4 + (rval - 4); if (is_preserved_gr) opc = IA64_INSN_MOVE_NAT; } else { /* register got spilled to a scratch register */ if (is_preserved_gr) opc = IA64_INSN_MOVE_SCRATCH_NAT; else opc = IA64_INSN_MOVE_SCRATCH; val = UNW_IA64_GR + rval; } } else { switch (r->where) { case IA64_WHERE_FR: /* Note: There is no need to handle NaT-bit info here (indepent of is_preserved_gr), because for floating-point NaTs are represented as NaTVal, so the NaT-info never needs to be consulated. */ if (rval >= 2 && rval <= 5) val = IA64_REG_F2 + (rval - 2); else if (rval >= 16 && rval <= 31) val = IA64_REG_F16 + (rval - 16); else { opc = IA64_INSN_MOVE_SCRATCH; val = UNW_IA64_FR + rval; } break; case IA64_WHERE_BR: if (rval >= 1 && rval <= 5) { val = IA64_REG_B1 + (rval - 1); if (is_preserved_gr) opc = IA64_INSN_MOVE_NO_NAT; } else { opc = IA64_INSN_MOVE_SCRATCH; if (is_preserved_gr) opc = IA64_INSN_MOVE_SCRATCH_NO_NAT; val = UNW_IA64_BR + rval; } break; case IA64_WHERE_SPREL: if (is_preserved_gr) opc = IA64_INSN_ADD_SP_NAT; else { opc = IA64_INSN_ADD_SP; if (i >= IA64_REG_F2 && i <= IA64_REG_F31) val |= IA64_LOC_TYPE_FP; } break; case IA64_WHERE_PSPREL: if (is_preserved_gr) opc = IA64_INSN_ADD_PSP_NAT; else { opc = IA64_INSN_ADD_PSP; if (i >= IA64_REG_F2 && i <= IA64_REG_F31) val |= IA64_LOC_TYPE_FP; } break; default: Dprintf ("%s: register %u has unexpected `where' value of %u\n", __FUNCTION__, i, r->where); break; } } insn.opc = opc; insn.dst = i; insn.val = val; script_emit (script, insn); if (i == IA64_REG_PSP) { /* c->psp must contain the _value_ of the previous sp, not it's save-location. We get this by dereferencing the value we just stored in loc[IA64_REG_PSP]: */ insn.opc = IA64_INSN_LOAD_PSP; script_emit (script, insn); } } /* Sort the registers which got saved in decreasing order of WHEN value. This is needed to ensure that the save-locations are updated in the proper order. For example, suppose r4 gets spilled to memory and then r5 gets saved in r4. In this case, we need to update the save location of r5 before the one of r4. */ static inline int sort_regs (struct ia64_state_record *sr, int regorder[]) { int r, i, j, max, max_reg, max_when, num_regs = 0; assert (IA64_REG_BSP == 3); for (r = IA64_REG_BSP; r < IA64_NUM_PREGS; ++r) { if (sr->curr.reg[r].where == IA64_WHERE_NONE || sr->curr.reg[r].when >= sr->when_target) continue; regorder[num_regs++] = r; } /* Simple insertion-sort. Involves about N^2/2 comparisons and N exchanges. N is often small (say, 2-5) so a fancier sorting algorithm may not be worthwhile. */ for (i = max = 0; i < num_regs - 1; ++i) { max_reg = regorder[max]; max_when = sr->curr.reg[max_reg].when; for (j = i + 1; j < num_regs; ++j) if (sr->curr.reg[regorder[j]].when > max_when) { max = j; max_reg = regorder[j]; max_when = sr->curr.reg[max_reg].when; } if (i != max) { regorder[max] = regorder[i]; regorder[i] = max_reg; } } return num_regs; } /* Build an unwind script that unwinds from state OLD_STATE to the entrypoint of the function that called OLD_STATE. */ static inline int build_script (struct cursor *c, struct ia64_script *script) { int num_regs, i, ret, regorder[IA64_NUM_PREGS - 3]; struct ia64_reg_info *pri_unat; struct ia64_state_record sr; struct ia64_script_insn insn; ret = ia64_create_state_record (c, &sr); if (ret < 0) return ret; /* First, compile the update for IA64_REG_PSP. This is important because later save-locations may depend on it's correct (updated) value. Fixed-size frames are handled specially and variable-size frames get handled via the normal compile_reg(). */ if (sr.when_target > sr.curr.reg[IA64_REG_PSP].when && (sr.curr.reg[IA64_REG_PSP].where == IA64_WHERE_NONE) && sr.curr.reg[IA64_REG_PSP].val != 0) { /* new psp is psp plus frame size */ insn.opc = IA64_INSN_INC_PSP; insn.val = sr.curr.reg[IA64_REG_PSP].val; /* frame size */ script_emit (script, insn); } else compile_reg (&sr, IA64_REG_PSP, sr.curr.reg + IA64_REG_PSP, script); /* Second, compile the update for the primary UNaT, if any: */ if (sr.when_target >= sr.curr.reg[IA64_REG_PRI_UNAT_GR].when || sr.when_target >= sr.curr.reg[IA64_REG_PRI_UNAT_MEM].when) { if (sr.when_target < sr.curr.reg[IA64_REG_PRI_UNAT_GR].when) /* (primary) NaT bits were saved to memory only */ pri_unat = sr.curr.reg + IA64_REG_PRI_UNAT_MEM; else if (sr.when_target < sr.curr.reg[IA64_REG_PRI_UNAT_MEM].when) /* (primary) NaT bits were saved to a register only */ pri_unat = sr.curr.reg + IA64_REG_PRI_UNAT_GR; else if (sr.curr.reg[IA64_REG_PRI_UNAT_MEM].when > sr.curr.reg[IA64_REG_PRI_UNAT_GR].when) /* (primary) NaT bits were last saved to memory */ pri_unat = sr.curr.reg + IA64_REG_PRI_UNAT_MEM; else /* (primary) NaT bits were last saved to a register */ pri_unat = sr.curr.reg + IA64_REG_PRI_UNAT_GR; /* Note: we always store the final primary-UNaT location in UNAT_MEM. */ compile_reg (&sr, IA64_REG_PRI_UNAT_MEM, pri_unat, script); } /* Third, compile the other register in decreasing order of WHEN values. */ num_regs = sort_regs (&sr, regorder); for (i = 0; i < num_regs; ++i) compile_reg (&sr, regorder[i], sr.curr.reg + regorder[i], script); script->abi_marker = sr.abi_marker; script_finalize (script, c, &sr); ia64_free_state_record (&sr); return 0; } static inline void set_nat_info (struct cursor *c, unsigned long dst, ia64_loc_t nat_loc, uint8_t bitnr) { assert (dst >= IA64_REG_R4 && dst <= IA64_REG_R7); c->loc[dst - IA64_REG_R4 + IA64_REG_NAT4] = nat_loc; c->nat_bitnr[dst - IA64_REG_R4] = bitnr; } /* Apply the unwinding actions represented by OPS and update SR to reflect the state that existed upon entry to the function that this unwinder represents. */ static inline int run_script (struct ia64_script *script, struct cursor *c) { struct ia64_script_insn *ip, *limit, next_insn; ia64_loc_t loc, nat_loc; unsigned long opc, dst; uint8_t nat_bitnr; unw_word_t val; int ret; c->pi = script->pi; ip = script->insn; limit = script->insn + script->count; next_insn = *ip; c->abi_marker = script->abi_marker; while (ip++ < limit) { opc = next_insn.opc; dst = next_insn.dst; val = next_insn.val; next_insn = *ip; /* This is by far the most common operation: */ if (likely (opc == IA64_INSN_MOVE_STACKED)) { if ((ret = ia64_get_stacked (c, val, &loc, NULL)) < 0) return ret; } else switch (opc) { case IA64_INSN_INC_PSP: c->psp += val; continue; case IA64_INSN_LOAD_PSP: if ((ret = ia64_get (c, c->loc[IA64_REG_PSP], &c->psp)) < 0) return ret; continue; case IA64_INSN_ADD_PSP: loc = IA64_LOC_ADDR (c->psp + val, (val & IA64_LOC_TYPE_FP)); break; case IA64_INSN_ADD_SP: loc = IA64_LOC_ADDR (c->sp + val, (val & IA64_LOC_TYPE_FP)); break; case IA64_INSN_MOVE_NO_NAT: set_nat_info (c, dst, IA64_NULL_LOC, 0); case IA64_INSN_MOVE: loc = c->loc[val]; break; case IA64_INSN_MOVE_SCRATCH_NO_NAT: set_nat_info (c, dst, IA64_NULL_LOC, 0); case IA64_INSN_MOVE_SCRATCH: loc = ia64_scratch_loc (c, val, NULL); break; case IA64_INSN_ADD_PSP_NAT: loc = IA64_LOC_ADDR (c->psp + val, 0); assert (!IA64_IS_REG_LOC (loc)); set_nat_info (c, dst, c->loc[IA64_REG_PRI_UNAT_MEM], ia64_unat_slot_num (IA64_GET_ADDR (loc))); break; case IA64_INSN_ADD_SP_NAT: loc = IA64_LOC_ADDR (c->sp + val, 0); assert (!IA64_IS_REG_LOC (loc)); set_nat_info (c, dst, c->loc[IA64_REG_PRI_UNAT_MEM], ia64_unat_slot_num (IA64_GET_ADDR (loc))); break; case IA64_INSN_MOVE_NAT: loc = c->loc[val]; set_nat_info (c, dst, c->loc[val - IA64_REG_R4 + IA64_REG_NAT4], c->nat_bitnr[val - IA64_REG_R4]); break; case IA64_INSN_MOVE_STACKED_NAT: if ((ret = ia64_get_stacked (c, val, &loc, &nat_loc)) < 0) return ret; assert (!IA64_IS_REG_LOC (loc)); set_nat_info (c, dst, nat_loc, rse_slot_num (IA64_GET_ADDR (loc))); break; case IA64_INSN_MOVE_SCRATCH_NAT: loc = ia64_scratch_loc (c, val, NULL); nat_loc = ia64_scratch_loc (c, val + (UNW_IA64_NAT - UNW_IA64_GR), &nat_bitnr); set_nat_info (c, dst, nat_loc, nat_bitnr); break; } c->loc[dst] = loc; } return 0; } static int uncached_find_save_locs (struct cursor *c) { struct ia64_script script; int ret = 0; if ((ret = ia64_fetch_proc_info (c, c->ip, 1)) < 0) return ret; script_init (&script, c->ip); if ((ret = build_script (c, &script)) < 0) { if (ret != -UNW_ESTOPUNWIND) Dprintf ("%s: failed to build unwind script for ip %lx\n", __FUNCTION__, (long) c->ip); return ret; } return run_script (&script, c); } HIDDEN int ia64_find_save_locs (struct cursor *c) { struct ia64_script_cache *cache = NULL; struct ia64_script *script = NULL; intrmask_t saved_mask; int ret = 0; if (c->as->caching_policy == UNW_CACHE_NONE) return uncached_find_save_locs (c); cache = get_script_cache (c->as, &saved_mask); if (!cache) { Debug (1, "contention on script-cache; doing uncached lookup\n"); return uncached_find_save_locs (c); } { script = script_lookup (cache, c); Debug (8, "ip %lx %s in script cache\n", (long) c->ip, script ? "hit" : "missed"); if (!script || (script->count == 0 && !script->pi.unwind_info)) { if ((ret = ia64_fetch_proc_info (c, c->ip, 1)) < 0) goto out; } if (!script) { script = script_new (cache, c->ip); if (!script) { Dprintf ("%s: failed to create unwind script\n", __FUNCTION__); ret = -UNW_EUNSPEC; goto out; } } cache->buckets[c->prev_script].hint = script - cache->buckets; if (script->count == 0) ret = build_script (c, script); assert (script->count > 0); c->hint = script->hint; c->prev_script = script - cache->buckets; if (ret < 0) { if (ret != -UNW_ESTOPUNWIND) Dprintf ("%s: failed to locate/build unwind script for ip %lx\n", __FUNCTION__, (long) c->ip); goto out; } ret = run_script (script, c); } out: put_script_cache (c->as, cache, &saved_mask); return ret; } HIDDEN void ia64_validate_cache (unw_addr_space_t as, void *arg) { #ifndef UNW_REMOTE_ONLY if (as == unw_local_addr_space && ia64_local_validate_cache (as, arg) == 1) return; #endif #ifndef UNW_LOCAL_ONLY /* local info is up-to-date, check dynamic info. */ unwi_dyn_validate_cache (as, arg); #endif } HIDDEN int ia64_cache_proc_info (struct cursor *c) { struct ia64_script_cache *cache; struct ia64_script *script; intrmask_t saved_mask; int ret = 0; cache = get_script_cache (c->as, &saved_mask); if (!cache) return ret; /* cache is busy */ /* Re-check to see if a cache entry has been added in the meantime: */ script = script_lookup (cache, c); if (script) goto out; script = script_new (cache, c->ip); if (!script) { Dprintf ("%s: failed to create unwind script\n", __FUNCTION__); ret = -UNW_EUNSPEC; goto out; } script->pi = c->pi; out: put_script_cache (c->as, cache, &saved_mask); return ret; } HIDDEN int ia64_get_cached_proc_info (struct cursor *c) { struct ia64_script_cache *cache; struct ia64_script *script; intrmask_t saved_mask; cache = get_script_cache (c->as, &saved_mask); if (!cache) return -UNW_ENOINFO; /* cache is busy */ { script = script_lookup (cache, c); if (script) c->pi = script->pi; } put_script_cache (c->as, cache, &saved_mask); return script ? 0 : -UNW_ENOINFO; } libunwind-1.3.2/src/ia64/dyn_info_list.S0000644000175000017500000000137613406556425014770 00000000000000#ifndef UNW_REMOTE_ONLY /* * Create a special unwind-table entry which makes it easy for an * unwinder to locate the dynamic registration list. The special * entry covers address range [0-0) and is therefore guaranteed to be * the first in the unwind-table. */ .global _U_dyn_info_list .hidden _U_dyn_info_list .section .IA_64.unwind_info,"a","progbits" .info: data8 (1<<48) | 1 /* v1, length==1 (8-byte word) */ data8 0 /* 8 empty .prologue directives (nops) */ data8 0 /* personality routine (ignored) */ string "dyn-list" /* lsda */ data8 @gprel(_U_dyn_info_list) .section .IA_64.unwind, "a", "progbits" data8 0, 0, @segrel(.info) #endif #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Lapply_reg_state.c0000644000175000017500000000021413406755365015440 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gapply_reg_state.c" #endif libunwind-1.3.2/src/ia64/longjmp.S0000644000175000017500000000304413406556425013570 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .global _UI_longjmp_cont .align 32 .proc longjmp_continuation longjmp_continuation: _UI_longjmp_cont: // non-function label for {sig,}longjmp.c .prologue .save rp, r15 .body mov rp = r15 mov r8 = r16 br.sptk.many rp .endp longjmp_continuation #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Greg_states_iterate.c0000644000175000017500000000307013406755365016131 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_reg_states_iterate (unw_cursor_t *cursor, unw_reg_states_callback cb, void *token) { struct cursor *c = (struct cursor *) cursor; // Needs dwarf support on ia64 // return dwarf_reg_states_iterate (&c->dwarf, cb, token); return -UNW_EINVAL; } libunwind-1.3.2/src/ia64/Lregs.c0000644000175000017500000000020113406556425013206 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gregs.c" #endif libunwind-1.3.2/src/ia64/regname.c0000644000175000017500000002767613406755365013605 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Logically, we like to think of the stack as a contiguous region of memory. Unfortunately, this logical view doesn't work for the register backing store, because the RSE is an asynchronous engine and because UNIX/Linux allow for stack-switching via sigaltstack(2). Specifically, this means that any given stacked register may or may not be backed up by memory in the current stack. If not, then the backing memory may be found in any of the "more inner" (younger) stacks. The routines in this file help manage the discontiguous nature of the register backing store. The routines are completely independent of UNIX/Linux, but each stack frame that switches the backing store is expected to reserve 4 words for use by libunwind. For example, in the Linux sigcontext, sc_fr[0] and sc_fr[1] serve this purpose. */ #include "libunwind_i.h" /* Maintain the register names as a single string to keep the number of dynamic relocations in the shared object to a minimum. */ #define regname_len 9 #define regname_str \ "r0\0\0\0\0\0\0\0r1\0\0\0\0\0\0\0r2\0\0\0\0\0\0\0r3\0\0\0\0\0\0\0" \ "r4\0\0\0\0\0\0\0r5\0\0\0\0\0\0\0r6\0\0\0\0\0\0\0r7\0\0\0\0\0\0\0" \ "r8\0\0\0\0\0\0\0r9\0\0\0\0\0\0\0r10\0\0\0\0\0\0r11\0\0\0\0\0\0" \ "r12\0\0\0\0\0\0r13\0\0\0\0\0\0r14\0\0\0\0\0\0r15\0\0\0\0\0\0" \ "r16\0\0\0\0\0\0r17\0\0\0\0\0\0r18\0\0\0\0\0\0r19\0\0\0\0\0\0" \ "r20\0\0\0\0\0\0r21\0\0\0\0\0\0r22\0\0\0\0\0\0r23\0\0\0\0\0\0" \ "r24\0\0\0\0\0\0r25\0\0\0\0\0\0r26\0\0\0\0\0\0r27\0\0\0\0\0\0" \ "r28\0\0\0\0\0\0r29\0\0\0\0\0\0r30\0\0\0\0\0\0r31\0\0\0\0\0\0" \ "r32\0\0\0\0\0\0r33\0\0\0\0\0\0r34\0\0\0\0\0\0r35\0\0\0\0\0\0" \ "r36\0\0\0\0\0\0r37\0\0\0\0\0\0r38\0\0\0\0\0\0r39\0\0\0\0\0\0" \ "r40\0\0\0\0\0\0r41\0\0\0\0\0\0r42\0\0\0\0\0\0r43\0\0\0\0\0\0" \ "r44\0\0\0\0\0\0r45\0\0\0\0\0\0r46\0\0\0\0\0\0r47\0\0\0\0\0\0" \ "r48\0\0\0\0\0\0r49\0\0\0\0\0\0r50\0\0\0\0\0\0r51\0\0\0\0\0\0" \ "r52\0\0\0\0\0\0r53\0\0\0\0\0\0r54\0\0\0\0\0\0r55\0\0\0\0\0\0" \ "r56\0\0\0\0\0\0r57\0\0\0\0\0\0r58\0\0\0\0\0\0r59\0\0\0\0\0\0" \ "r60\0\0\0\0\0\0r61\0\0\0\0\0\0r62\0\0\0\0\0\0r63\0\0\0\0\0\0" \ "r64\0\0\0\0\0\0r65\0\0\0\0\0\0r66\0\0\0\0\0\0r67\0\0\0\0\0\0" \ "r68\0\0\0\0\0\0r69\0\0\0\0\0\0r70\0\0\0\0\0\0r71\0\0\0\0\0\0" \ "r72\0\0\0\0\0\0r73\0\0\0\0\0\0r74\0\0\0\0\0\0r75\0\0\0\0\0\0" \ "r76\0\0\0\0\0\0r77\0\0\0\0\0\0r78\0\0\0\0\0\0r79\0\0\0\0\0\0" \ "r80\0\0\0\0\0\0r81\0\0\0\0\0\0r82\0\0\0\0\0\0r83\0\0\0\0\0\0" \ "r84\0\0\0\0\0\0r85\0\0\0\0\0\0r86\0\0\0\0\0\0r87\0\0\0\0\0\0" \ "r88\0\0\0\0\0\0r89\0\0\0\0\0\0r90\0\0\0\0\0\0r91\0\0\0\0\0\0" \ "r92\0\0\0\0\0\0r93\0\0\0\0\0\0r94\0\0\0\0\0\0r95\0\0\0\0\0\0" \ "r96\0\0\0\0\0\0r97\0\0\0\0\0\0r98\0\0\0\0\0\0r99\0\0\0\0\0\0" \ "r100\0\0\0\0\0r101\0\0\0\0\0r102\0\0\0\0\0r103\0\0\0\0\0" \ "r104\0\0\0\0\0r105\0\0\0\0\0r106\0\0\0\0\0r107\0\0\0\0\0" \ "r108\0\0\0\0\0r109\0\0\0\0\0r110\0\0\0\0\0r111\0\0\0\0\0" \ "r112\0\0\0\0\0r113\0\0\0\0\0r114\0\0\0\0\0r115\0\0\0\0\0" \ "r116\0\0\0\0\0r117\0\0\0\0\0r118\0\0\0\0\0r119\0\0\0\0\0" \ "r120\0\0\0\0\0r121\0\0\0\0\0r122\0\0\0\0\0r123\0\0\0\0\0" \ "r124\0\0\0\0\0r125\0\0\0\0\0r126\0\0\0\0\0r127\0\0\0\0\0" \ "nat0\0\0\0\0\0nat1\0\0\0\0\0nat2\0\0\0\0\0nat3\0\0\0\0\0" \ "nat4\0\0\0\0\0nat5\0\0\0\0\0nat6\0\0\0\0\0nat7\0\0\0\0\0" \ "nat8\0\0\0\0\0nat9\0\0\0\0\0nat10\0\0\0\0nat11\0\0\0\0" \ "nat12\0\0\0\0nat13\0\0\0\0nat14\0\0\0\0nat15\0\0\0\0" \ "nat16\0\0\0\0nat17\0\0\0\0nat18\0\0\0\0nat19\0\0\0\0" \ "nat20\0\0\0\0nat21\0\0\0\0nat22\0\0\0\0nat23\0\0\0\0" \ "nat24\0\0\0\0nat25\0\0\0\0nat26\0\0\0\0nat27\0\0\0\0" \ "nat28\0\0\0\0nat29\0\0\0\0nat30\0\0\0\0nat31\0\0\0\0" \ "nat32\0\0\0\0nat33\0\0\0\0nat34\0\0\0\0nat35\0\0\0\0" \ "nat36\0\0\0\0nat37\0\0\0\0nat38\0\0\0\0nat39\0\0\0\0" \ "nat40\0\0\0\0nat41\0\0\0\0nat42\0\0\0\0nat43\0\0\0\0" \ "nat44\0\0\0\0nat45\0\0\0\0nat46\0\0\0\0nat47\0\0\0\0" \ "nat48\0\0\0\0nat49\0\0\0\0nat50\0\0\0\0nat51\0\0\0\0" \ "nat52\0\0\0\0nat53\0\0\0\0nat54\0\0\0\0nat55\0\0\0\0" \ "nat56\0\0\0\0nat57\0\0\0\0nat58\0\0\0\0nat59\0\0\0\0" \ "nat60\0\0\0\0nat61\0\0\0\0nat62\0\0\0\0nat63\0\0\0\0" \ "nat64\0\0\0\0nat65\0\0\0\0nat66\0\0\0\0nat67\0\0\0\0" \ "nat68\0\0\0\0nat69\0\0\0\0nat70\0\0\0\0nat71\0\0\0\0" \ "nat72\0\0\0\0nat73\0\0\0\0nat74\0\0\0\0nat75\0\0\0\0" \ "nat76\0\0\0\0nat77\0\0\0\0nat78\0\0\0\0nat79\0\0\0\0" \ "nat80\0\0\0\0nat81\0\0\0\0nat82\0\0\0\0nat83\0\0\0\0" \ "nat84\0\0\0\0nat85\0\0\0\0nat86\0\0\0\0nat87\0\0\0\0" \ "nat88\0\0\0\0nat89\0\0\0\0nat90\0\0\0\0nat91\0\0\0\0" \ "nat92\0\0\0\0nat93\0\0\0\0nat94\0\0\0\0nat95\0\0\0\0" \ "nat96\0\0\0\0nat97\0\0\0\0nat98\0\0\0\0nat99\0\0\0\0" \ "nat100\0\0\0nat101\0\0\0nat102\0\0\0nat103\0\0\0" \ "nat104\0\0\0nat105\0\0\0nat106\0\0\0nat107\0\0\0" \ "nat108\0\0\0nat109\0\0\0nat110\0\0\0nat111\0\0\0" \ "nat112\0\0\0nat113\0\0\0nat114\0\0\0nat115\0\0\0" \ "nat116\0\0\0nat117\0\0\0nat118\0\0\0nat119\0\0\0" \ "nat120\0\0\0nat121\0\0\0nat122\0\0\0nat123\0\0\0" \ "nat124\0\0\0nat125\0\0\0nat126\0\0\0nat127\0\0\0" \ "f0\0\0\0\0\0\0\0f1\0\0\0\0\0\0\0f2\0\0\0\0\0\0\0f3\0\0\0\0\0\0\0" \ "f4\0\0\0\0\0\0\0f5\0\0\0\0\0\0\0f6\0\0\0\0\0\0\0f7\0\0\0\0\0\0\0" \ "f8\0\0\0\0\0\0\0f9\0\0\0\0\0\0\0f10\0\0\0\0\0\0f11\0\0\0\0\0\0" \ "f12\0\0\0\0\0\0f13\0\0\0\0\0\0f14\0\0\0\0\0\0f15\0\0\0\0\0\0" \ "f16\0\0\0\0\0\0f17\0\0\0\0\0\0f18\0\0\0\0\0\0f19\0\0\0\0\0\0" \ "f20\0\0\0\0\0\0f21\0\0\0\0\0\0f22\0\0\0\0\0\0f23\0\0\0\0\0\0" \ "f24\0\0\0\0\0\0f25\0\0\0\0\0\0f26\0\0\0\0\0\0f27\0\0\0\0\0\0" \ "f28\0\0\0\0\0\0f29\0\0\0\0\0\0f30\0\0\0\0\0\0f31\0\0\0\0\0\0" \ "f32\0\0\0\0\0\0f33\0\0\0\0\0\0f34\0\0\0\0\0\0f35\0\0\0\0\0\0" \ "f36\0\0\0\0\0\0f37\0\0\0\0\0\0f38\0\0\0\0\0\0f39\0\0\0\0\0\0" \ "f40\0\0\0\0\0\0f41\0\0\0\0\0\0f42\0\0\0\0\0\0f43\0\0\0\0\0\0" \ "f44\0\0\0\0\0\0f45\0\0\0\0\0\0f46\0\0\0\0\0\0f47\0\0\0\0\0\0" \ "f48\0\0\0\0\0\0f49\0\0\0\0\0\0f50\0\0\0\0\0\0f51\0\0\0\0\0\0" \ "f52\0\0\0\0\0\0f53\0\0\0\0\0\0f54\0\0\0\0\0\0f55\0\0\0\0\0\0" \ "f56\0\0\0\0\0\0f57\0\0\0\0\0\0f58\0\0\0\0\0\0f59\0\0\0\0\0\0" \ "f60\0\0\0\0\0\0f61\0\0\0\0\0\0f62\0\0\0\0\0\0f63\0\0\0\0\0\0" \ "f64\0\0\0\0\0\0f65\0\0\0\0\0\0f66\0\0\0\0\0\0f67\0\0\0\0\0\0" \ "f68\0\0\0\0\0\0f69\0\0\0\0\0\0f70\0\0\0\0\0\0f71\0\0\0\0\0\0" \ "f72\0\0\0\0\0\0f73\0\0\0\0\0\0f74\0\0\0\0\0\0f75\0\0\0\0\0\0" \ "f76\0\0\0\0\0\0f77\0\0\0\0\0\0f78\0\0\0\0\0\0f79\0\0\0\0\0\0" \ "f80\0\0\0\0\0\0f81\0\0\0\0\0\0f82\0\0\0\0\0\0f83\0\0\0\0\0\0" \ "f84\0\0\0\0\0\0f85\0\0\0\0\0\0f86\0\0\0\0\0\0f87\0\0\0\0\0\0" \ "f88\0\0\0\0\0\0f89\0\0\0\0\0\0f90\0\0\0\0\0\0f91\0\0\0\0\0\0" \ "f92\0\0\0\0\0\0f93\0\0\0\0\0\0f94\0\0\0\0\0\0f95\0\0\0\0\0\0" \ "f96\0\0\0\0\0\0f97\0\0\0\0\0\0f98\0\0\0\0\0\0f99\0\0\0\0\0\0" \ "f100\0\0\0\0\0f101\0\0\0\0\0f102\0\0\0\0\0f103\0\0\0\0\0" \ "f104\0\0\0\0\0f105\0\0\0\0\0f106\0\0\0\0\0f107\0\0\0\0\0" \ "f108\0\0\0\0\0f109\0\0\0\0\0f110\0\0\0\0\0f111\0\0\0\0\0" \ "f112\0\0\0\0\0f113\0\0\0\0\0f114\0\0\0\0\0f115\0\0\0\0\0" \ "f116\0\0\0\0\0f117\0\0\0\0\0f118\0\0\0\0\0f119\0\0\0\0\0" \ "f120\0\0\0\0\0f121\0\0\0\0\0f122\0\0\0\0\0f123\0\0\0\0\0" \ "f124\0\0\0\0\0f125\0\0\0\0\0f126\0\0\0\0\0f127\0\0\0\0\0" \ "ar0\0\0\0\0\0\0ar1\0\0\0\0\0\0ar2\0\0\0\0\0\0ar3\0\0\0\0\0\0" \ "ar4\0\0\0\0\0\0ar5\0\0\0\0\0\0ar6\0\0\0\0\0\0ar7\0\0\0\0\0\0" \ "ar8\0\0\0\0\0\0ar9\0\0\0\0\0\0ar10\0\0\0\0\0ar11\0\0\0\0\0" \ "ar12\0\0\0\0\0ar13\0\0\0\0\0ar14\0\0\0\0\0ar15\0\0\0\0\0" \ "rsc\0\0\0\0\0\0bsp\0\0\0\0\0\0bspstore\0rnat\0\0\0\0\0" \ "ar20\0\0\0\0\0ar21\0\0\0\0\0ar22\0\0\0\0\0ar23\0\0\0\0\0" \ "ar24\0\0\0\0\0ar25\0\0\0\0\0ar26\0\0\0\0\0ar27\0\0\0\0\0" \ "ar28\0\0\0\0\0ar29\0\0\0\0\0ar30\0\0\0\0\0ar31\0\0\0\0\0" \ "ccv\0\0\0\0\0\0ar33\0\0\0\0\0ar34\0\0\0\0\0ar35\0\0\0\0\0" \ "unat\0\0\0\0\0ar37\0\0\0\0\0ar38\0\0\0\0\0ar39\0\0\0\0\0" \ "fpsr\0\0\0\0\0ar41\0\0\0\0\0ar42\0\0\0\0\0ar43\0\0\0\0\0" \ "ar44\0\0\0\0\0ar45\0\0\0\0\0ar46\0\0\0\0\0ar47\0\0\0\0\0" \ "ar48\0\0\0\0\0ar49\0\0\0\0\0ar50\0\0\0\0\0ar51\0\0\0\0\0" \ "ar52\0\0\0\0\0ar53\0\0\0\0\0ar54\0\0\0\0\0ar55\0\0\0\0\0" \ "ar56\0\0\0\0\0ar57\0\0\0\0\0ar58\0\0\0\0\0ar59\0\0\0\0\0" \ "ar60\0\0\0\0\0ar61\0\0\0\0\0ar62\0\0\0\0\0ar63\0\0\0\0\0" \ "pfs\0\0\0\0\0\0lc\0\0\0\0\0\0\0ec\0\0\0\0\0\0\0ar67\0\0\0\0\0" \ "ar68\0\0\0\0\0ar69\0\0\0\0\0ar70\0\0\0\0\0ar71\0\0\0\0\0" \ "ar72\0\0\0\0\0ar73\0\0\0\0\0ar74\0\0\0\0\0ar75\0\0\0\0\0" \ "ar76\0\0\0\0\0ar77\0\0\0\0\0ar78\0\0\0\0\0ar79\0\0\0\0\0" \ "ar80\0\0\0\0\0ar81\0\0\0\0\0ar82\0\0\0\0\0ar83\0\0\0\0\0" \ "ar84\0\0\0\0\0ar85\0\0\0\0\0ar86\0\0\0\0\0ar87\0\0\0\0\0" \ "ar88\0\0\0\0\0ar89\0\0\0\0\0ar90\0\0\0\0\0ar91\0\0\0\0\0" \ "ar92\0\0\0\0\0ar93\0\0\0\0\0ar94\0\0\0\0\0ar95\0\0\0\0\0" \ "ar96\0\0\0\0\0ar97\0\0\0\0\0ar98\0\0\0\0\0ar99\0\0\0\0\0" \ "ar100\0\0\0\0ar101\0\0\0\0ar102\0\0\0\0ar103\0\0\0\0" \ "ar104\0\0\0\0ar105\0\0\0\0ar106\0\0\0\0ar107\0\0\0\0" \ "ar108\0\0\0\0ar109\0\0\0\0ar110\0\0\0\0ar111\0\0\0\0" \ "ar112\0\0\0\0ar113\0\0\0\0ar114\0\0\0\0ar115\0\0\0\0" \ "ar116\0\0\0\0ar117\0\0\0\0ar118\0\0\0\0ar119\0\0\0\0" \ "ar120\0\0\0\0ar121\0\0\0\0ar122\0\0\0\0ar123\0\0\0\0" \ "ar124\0\0\0\0ar125\0\0\0\0ar126\0\0\0\0ar127\0\0\0\0" \ "rp\0\0\0\0\0\0\0b1\0\0\0\0\0\0\0b2\0\0\0\0\0\0\0b3\0\0\0\0\0\0\0" \ "b4\0\0\0\0\0\0\0b5\0\0\0\0\0\0\0b6\0\0\0\0\0\0\0b7\0\0\0\0\0\0\0" \ "pr\0\0\0\0\0\0\0cfm\0\0\0\0\0\0bsp\0\0\0\0\0\0ip\0\0\0\0\0\0\0" \ "sp\0\0\0\0\0\0\0" #define NREGS ((int) (sizeof (regname_str) - 1) / regname_len) const char * unw_regname (unw_regnum_t reg) { if (reg < NREGS) return regname_str + reg * regname_len; else return "???"; } libunwind-1.3.2/src/ia64/Ginit_remote.c0000644000175000017500000000433513406755365014577 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002, 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "init.h" #include "unwind_i.h" int unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) { #ifdef UNW_LOCAL_ONLY return -UNW_EINVAL; #else /* !UNW_LOCAL_ONLY */ struct cursor *c = (struct cursor *) cursor; unw_word_t sp, bsp; int ret; if (!tdep_init_done) tdep_init (); Debug (1, "(cursor=%p)\n", c); if (as == unw_local_addr_space) /* This special-casing is unfortunate and shouldn't be needed; however, both Linux and HP-UX need to adjust the context a bit before it's usable. Try to think of a cleaner way of doing this. Not sure it's possible though, as long as we want to be able to use the context returned by getcontext() et al. */ return unw_init_local (cursor, as_arg); c->as = as; c->as_arg = as_arg; if ((ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_GR + 12), &sp)) < 0 || (ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_AR_BSP), &bsp)) < 0) return ret; return common_init (c, sp, bsp); #endif /* !UNW_LOCAL_ONLY */ } libunwind-1.3.2/src/ia64/unwind_decoder.h0000644000175000017500000003435513406556425015151 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * Generic IA-64 unwind info decoder. * * This file is used both by the Linux kernel and objdump. Please keep * the two copies of this file in sync. * * You need to customize the decoder by defining the following * macros/constants before including this file: * * Types: * unw_word Unsigned integer type with at least 64 bits * * Register names: * UNW_REG_BSP * UNW_REG_BSPSTORE * UNW_REG_FPSR * UNW_REG_LC * UNW_REG_PFS * UNW_REG_PR * UNW_REG_RNAT * UNW_REG_PSP * UNW_REG_RP * UNW_REG_UNAT * * Decoder action macros: * UNW_DEC_BAD_CODE(code) * UNW_DEC_ABI(fmt,abi,context,arg) * UNW_DEC_BR_GR(fmt,brmask,gr,arg) * UNW_DEC_BR_MEM(fmt,brmask,arg) * UNW_DEC_COPY_STATE(fmt,label,arg) * UNW_DEC_EPILOGUE(fmt,t,ecount,arg) * UNW_DEC_FRGR_MEM(fmt,grmask,frmask,arg) * UNW_DEC_FR_MEM(fmt,frmask,arg) * UNW_DEC_GR_GR(fmt,grmask,gr,arg) * UNW_DEC_GR_MEM(fmt,grmask,arg) * UNW_DEC_LABEL_STATE(fmt,label,arg) * UNW_DEC_MEM_STACK_F(fmt,t,size,arg) * UNW_DEC_MEM_STACK_V(fmt,t,arg) * UNW_DEC_PRIUNAT_GR(fmt,r,arg) * UNW_DEC_PRIUNAT_WHEN_GR(fmt,t,arg) * UNW_DEC_PRIUNAT_WHEN_MEM(fmt,t,arg) * UNW_DEC_PRIUNAT_WHEN_PSPREL(fmt,pspoff,arg) * UNW_DEC_PRIUNAT_WHEN_SPREL(fmt,spoff,arg) * UNW_DEC_PROLOGUE(fmt,body,rlen,arg) * UNW_DEC_PROLOGUE_GR(fmt,rlen,mask,grsave,arg) * UNW_DEC_REG_PSPREL(fmt,reg,pspoff,arg) * UNW_DEC_REG_REG(fmt,src,dst,arg) * UNW_DEC_REG_SPREL(fmt,reg,spoff,arg) * UNW_DEC_REG_WHEN(fmt,reg,t,arg) * UNW_DEC_RESTORE(fmt,t,abreg,arg) * UNW_DEC_RESTORE_P(fmt,qp,t,abreg,arg) * UNW_DEC_SPILL_BASE(fmt,pspoff,arg) * UNW_DEC_SPILL_MASK(fmt,imaskp,arg) * UNW_DEC_SPILL_PSPREL(fmt,t,abreg,pspoff,arg) * UNW_DEC_SPILL_PSPREL_P(fmt,qp,t,abreg,pspoff,arg) * UNW_DEC_SPILL_REG(fmt,t,abreg,x,ytreg,arg) * UNW_DEC_SPILL_REG_P(fmt,qp,t,abreg,x,ytreg,arg) * UNW_DEC_SPILL_SPREL(fmt,t,abreg,spoff,arg) * UNW_DEC_SPILL_SPREL_P(fmt,qp,t,abreg,pspoff,arg) */ static unw_word unw_decode_uleb128 (unsigned char **dpp) { unsigned shift = 0; unw_word byte, result = 0; unsigned char *bp = *dpp; while (1) { byte = *bp++; result |= (byte & 0x7f) << shift; if ((byte & 0x80) == 0) break; shift += 7; } *dpp = bp; return result; } static unsigned char * unw_decode_x1 (unsigned char *dp, unsigned char code, void *arg) { unsigned char byte1, abreg; unw_word t, off; byte1 = *dp++; t = unw_decode_uleb128 (&dp); off = unw_decode_uleb128 (&dp); abreg = (byte1 & 0x7f); if (byte1 & 0x80) UNW_DEC_SPILL_SPREL(X1, t, abreg, off, arg); else UNW_DEC_SPILL_PSPREL(X1, t, abreg, off, arg); return dp; } static unsigned char * unw_decode_x2 (unsigned char *dp, unsigned char code, void *arg) { unsigned char byte1, byte2, abreg, x, ytreg; unw_word t; byte1 = *dp++; byte2 = *dp++; t = unw_decode_uleb128 (&dp); abreg = (byte1 & 0x7f); ytreg = byte2; x = (byte1 >> 7) & 1; if ((byte1 & 0x80) == 0 && ytreg == 0) UNW_DEC_RESTORE(X2, t, abreg, arg); else UNW_DEC_SPILL_REG(X2, t, abreg, x, ytreg, arg); return dp; } static unsigned char * unw_decode_x3 (unsigned char *dp, unsigned char code, void *arg) { unsigned char byte1, byte2, abreg, qp; unw_word t, off; byte1 = *dp++; byte2 = *dp++; t = unw_decode_uleb128 (&dp); off = unw_decode_uleb128 (&dp); qp = (byte1 & 0x3f); abreg = (byte2 & 0x7f); if (byte1 & 0x80) UNW_DEC_SPILL_SPREL_P(X3, qp, t, abreg, off, arg); else UNW_DEC_SPILL_PSPREL_P(X3, qp, t, abreg, off, arg); return dp; } static unsigned char * unw_decode_x4 (unsigned char *dp, unsigned char code, void *arg) { unsigned char byte1, byte2, byte3, qp, abreg, x, ytreg; unw_word t; byte1 = *dp++; byte2 = *dp++; byte3 = *dp++; t = unw_decode_uleb128 (&dp); qp = (byte1 & 0x3f); abreg = (byte2 & 0x7f); x = (byte2 >> 7) & 1; ytreg = byte3; if ((byte2 & 0x80) == 0 && byte3 == 0) UNW_DEC_RESTORE_P(X4, qp, t, abreg, arg); else UNW_DEC_SPILL_REG_P(X4, qp, t, abreg, x, ytreg, arg); return dp; } static inline unsigned char * unw_decode_r1 (unsigned char *dp, unsigned char code, void *arg) { int body = (code & 0x20) != 0; unw_word rlen; rlen = (code & 0x1f); UNW_DEC_PROLOGUE(R1, body, rlen, arg); return dp; } static inline unsigned char * unw_decode_r2 (unsigned char *dp, unsigned char code, void *arg) { unsigned char byte1, mask, grsave; unw_word rlen; byte1 = *dp++; mask = ((code & 0x7) << 1) | ((byte1 >> 7) & 1); grsave = (byte1 & 0x7f); rlen = unw_decode_uleb128 (&dp); UNW_DEC_PROLOGUE_GR(R2, rlen, mask, grsave, arg); return dp; } static inline unsigned char * unw_decode_r3 (unsigned char *dp, unsigned char code, void *arg) { unw_word rlen; rlen = unw_decode_uleb128 (&dp); UNW_DEC_PROLOGUE(R3, ((code & 0x3) == 1), rlen, arg); return dp; } static inline unsigned char * unw_decode_p1 (unsigned char *dp, unsigned char code, void *arg) { unsigned char brmask = (code & 0x1f); UNW_DEC_BR_MEM(P1, brmask, arg); return dp; } static inline unsigned char * unw_decode_p2_p5 (unsigned char *dp, unsigned char code, void *arg) { if ((code & 0x10) == 0) { unsigned char byte1 = *dp++; UNW_DEC_BR_GR(P2, ((code & 0xf) << 1) | ((byte1 >> 7) & 1), (byte1 & 0x7f), arg); } else if ((code & 0x08) == 0) { unsigned char byte1 = *dp++, r, dst; r = ((code & 0x7) << 1) | ((byte1 >> 7) & 1); dst = (byte1 & 0x7f); switch (r) { case 0: UNW_DEC_REG_GR(P3, UNW_REG_PSP, dst, arg); break; case 1: UNW_DEC_REG_GR(P3, UNW_REG_RP, dst, arg); break; case 2: UNW_DEC_REG_GR(P3, UNW_REG_PFS, dst, arg); break; case 3: UNW_DEC_REG_GR(P3, UNW_REG_PR, dst, arg); break; case 4: UNW_DEC_REG_GR(P3, UNW_REG_UNAT, dst, arg); break; case 5: UNW_DEC_REG_GR(P3, UNW_REG_LC, dst, arg); break; case 6: UNW_DEC_RP_BR(P3, dst, arg); break; case 7: UNW_DEC_REG_GR(P3, UNW_REG_RNAT, dst, arg); break; case 8: UNW_DEC_REG_GR(P3, UNW_REG_BSP, dst, arg); break; case 9: UNW_DEC_REG_GR(P3, UNW_REG_BSPSTORE, dst, arg); break; case 10: UNW_DEC_REG_GR(P3, UNW_REG_FPSR, dst, arg); break; case 11: UNW_DEC_PRIUNAT_GR(P3, dst, arg); break; default: UNW_DEC_BAD_CODE(r); break; } } else if ((code & 0x7) == 0) UNW_DEC_SPILL_MASK(P4, dp, arg); else if ((code & 0x7) == 1) { unw_word grmask, frmask, byte1, byte2, byte3; byte1 = *dp++; byte2 = *dp++; byte3 = *dp++; grmask = ((byte1 >> 4) & 0xf); frmask = ((byte1 & 0xf) << 16) | (byte2 << 8) | byte3; UNW_DEC_FRGR_MEM(P5, grmask, frmask, arg); } else UNW_DEC_BAD_CODE(code); return dp; } static inline unsigned char * unw_decode_p6 (unsigned char *dp, unsigned char code, void *arg) { int gregs = (code & 0x10) != 0; unsigned char mask = (code & 0x0f); if (gregs) UNW_DEC_GR_MEM(P6, mask, arg); else UNW_DEC_FR_MEM(P6, mask, arg); return dp; } static inline unsigned char * unw_decode_p7_p10 (unsigned char *dp, unsigned char code, void *arg) { unsigned char r, byte1, byte2; unw_word t, size; if ((code & 0x10) == 0) { r = (code & 0xf); t = unw_decode_uleb128 (&dp); switch (r) { case 0: size = unw_decode_uleb128 (&dp); UNW_DEC_MEM_STACK_F(P7, t, size, arg); break; case 1: UNW_DEC_MEM_STACK_V(P7, t, arg); break; case 2: UNW_DEC_SPILL_BASE(P7, t, arg); break; case 3: UNW_DEC_REG_SPREL(P7, UNW_REG_PSP, t, arg); break; case 4: UNW_DEC_REG_WHEN(P7, UNW_REG_RP, t, arg); break; case 5: UNW_DEC_REG_PSPREL(P7, UNW_REG_RP, t, arg); break; case 6: UNW_DEC_REG_WHEN(P7, UNW_REG_PFS, t, arg); break; case 7: UNW_DEC_REG_PSPREL(P7, UNW_REG_PFS, t, arg); break; case 8: UNW_DEC_REG_WHEN(P7, UNW_REG_PR, t, arg); break; case 9: UNW_DEC_REG_PSPREL(P7, UNW_REG_PR, t, arg); break; case 10: UNW_DEC_REG_WHEN(P7, UNW_REG_LC, t, arg); break; case 11: UNW_DEC_REG_PSPREL(P7, UNW_REG_LC, t, arg); break; case 12: UNW_DEC_REG_WHEN(P7, UNW_REG_UNAT, t, arg); break; case 13: UNW_DEC_REG_PSPREL(P7, UNW_REG_UNAT, t, arg); break; case 14: UNW_DEC_REG_WHEN(P7, UNW_REG_FPSR, t, arg); break; case 15: UNW_DEC_REG_PSPREL(P7, UNW_REG_FPSR, t, arg); break; default: UNW_DEC_BAD_CODE(r); break; } } else { switch (code & 0xf) { case 0x0: /* p8 */ { r = *dp++; t = unw_decode_uleb128 (&dp); switch (r) { case 1: UNW_DEC_REG_SPREL(P8, UNW_REG_RP, t, arg); break; case 2: UNW_DEC_REG_SPREL(P8, UNW_REG_PFS, t, arg); break; case 3: UNW_DEC_REG_SPREL(P8, UNW_REG_PR, t, arg); break; case 4: UNW_DEC_REG_SPREL(P8, UNW_REG_LC, t, arg); break; case 5: UNW_DEC_REG_SPREL(P8, UNW_REG_UNAT, t, arg); break; case 6: UNW_DEC_REG_SPREL(P8, UNW_REG_FPSR, t, arg); break; case 7: UNW_DEC_REG_WHEN(P8, UNW_REG_BSP, t, arg); break; case 8: UNW_DEC_REG_PSPREL(P8, UNW_REG_BSP, t, arg); break; case 9: UNW_DEC_REG_SPREL(P8, UNW_REG_BSP, t, arg); break; case 10: UNW_DEC_REG_WHEN(P8, UNW_REG_BSPSTORE, t, arg); break; case 11: UNW_DEC_REG_PSPREL(P8, UNW_REG_BSPSTORE, t, arg); break; case 12: UNW_DEC_REG_SPREL(P8, UNW_REG_BSPSTORE, t, arg); break; case 13: UNW_DEC_REG_WHEN(P8, UNW_REG_RNAT, t, arg); break; case 14: UNW_DEC_REG_PSPREL(P8, UNW_REG_RNAT, t, arg); break; case 15: UNW_DEC_REG_SPREL(P8, UNW_REG_RNAT, t, arg); break; case 16: UNW_DEC_PRIUNAT_WHEN_GR(P8, t, arg); break; case 17: UNW_DEC_PRIUNAT_PSPREL(P8, t, arg); break; case 18: UNW_DEC_PRIUNAT_SPREL(P8, t, arg); break; case 19: UNW_DEC_PRIUNAT_WHEN_MEM(P8, t, arg); break; default: UNW_DEC_BAD_CODE(r); break; } } break; case 0x1: byte1 = *dp++; byte2 = *dp++; UNW_DEC_GR_GR(P9, (byte1 & 0xf), (byte2 & 0x7f), arg); break; case 0xf: /* p10 */ byte1 = *dp++; byte2 = *dp++; UNW_DEC_ABI(P10, byte1, byte2, arg); break; case 0x9: return unw_decode_x1 (dp, code, arg); case 0xa: return unw_decode_x2 (dp, code, arg); case 0xb: return unw_decode_x3 (dp, code, arg); case 0xc: return unw_decode_x4 (dp, code, arg); default: UNW_DEC_BAD_CODE(code); break; } } return dp; } static inline unsigned char * unw_decode_b1 (unsigned char *dp, unsigned char code, void *arg) { unw_word label = (code & 0x1f); if ((code & 0x20) != 0) UNW_DEC_COPY_STATE(B1, label, arg); else UNW_DEC_LABEL_STATE(B1, label, arg); return dp; } static inline unsigned char * unw_decode_b2 (unsigned char *dp, unsigned char code, void *arg) { unw_word t; t = unw_decode_uleb128 (&dp); UNW_DEC_EPILOGUE(B2, t, (code & 0x1f), arg); return dp; } static inline unsigned char * unw_decode_b3_x4 (unsigned char *dp, unsigned char code, void *arg) { unw_word t, ecount, label; if ((code & 0x10) == 0) { t = unw_decode_uleb128 (&dp); ecount = unw_decode_uleb128 (&dp); UNW_DEC_EPILOGUE(B3, t, ecount, arg); } else if ((code & 0x07) == 0) { label = unw_decode_uleb128 (&dp); if ((code & 0x08) != 0) UNW_DEC_COPY_STATE(B4, label, arg); else UNW_DEC_LABEL_STATE(B4, label, arg); } else switch (code & 0x7) { case 1: return unw_decode_x1 (dp, code, arg); case 2: return unw_decode_x2 (dp, code, arg); case 3: return unw_decode_x3 (dp, code, arg); case 4: return unw_decode_x4 (dp, code, arg); default: UNW_DEC_BAD_CODE(code); break; } return dp; } typedef unsigned char *(*unw_decoder) (unsigned char *, unsigned char, void *); /* * Decode one descriptor and return address of next descriptor. */ static inline unsigned char * unw_decode (unsigned char *dp, int inside_body, void *arg) { unsigned char code, primary; code = *dp++; primary = code >> 5; if (primary < 2) dp = unw_decode_r1 (dp, code, arg); else if (primary == 2) dp = unw_decode_r2 (dp, code, arg); else if (primary == 3) dp = unw_decode_r3 (dp, code, arg); else if (inside_body) switch (primary) { case 4: case 5: dp = unw_decode_b1 (dp, code, arg); break; case 6: dp = unw_decode_b2 (dp, code, arg); break; case 7: dp = unw_decode_b3_x4 (dp, code, arg); break; } else switch (primary) { case 4: dp = unw_decode_p1 (dp, code, arg); break; case 5: dp = unw_decode_p2_p5 (dp, code, arg); break; case 6: dp = unw_decode_p6 (dp, code, arg); break; case 7: dp = unw_decode_p7_p10 (dp, code, arg); break; } return dp; } libunwind-1.3.2/src/ia64/Linit_remote.c0000644000175000017500000000021013406556425014564 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_remote.c" #endif libunwind-1.3.2/src/ia64/Gstep.c0000644000175000017500000003056613406755365013241 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include "unwind_i.h" static inline int linux_sigtramp (struct cursor *c, ia64_loc_t prev_cfm_loc, unw_word_t *num_regsp) { #if defined(UNW_LOCAL_ONLY) && !defined(__linux) return -UNW_EINVAL; #else unw_word_t sc_addr; int ret; if ((ret = ia64_get (c, IA64_LOC_ADDR (c->sp + 0x10 + LINUX_SIGFRAME_ARG2_OFF, 0), &sc_addr)) < 0) return ret; c->sigcontext_addr = sc_addr; if (!IA64_IS_REG_LOC (c->loc[IA64_REG_IP]) && IA64_GET_ADDR (c->loc[IA64_REG_IP]) == sc_addr + LINUX_SC_BR_OFF + 8) { /* Linux kernels before 2.4.19 and 2.5.10 had buggy unwind info for sigtramp. Fix it up here. */ c->loc[IA64_REG_IP] = IA64_LOC_ADDR (sc_addr + LINUX_SC_IP_OFF, 0); c->cfm_loc = IA64_LOC_ADDR (sc_addr + LINUX_SC_CFM_OFF, 0); } /* do what can't be described by unwind directives: */ c->loc[IA64_REG_PFS] = IA64_LOC_ADDR (sc_addr + LINUX_SC_AR_PFS_OFF, 0); c->ec_loc = prev_cfm_loc; *num_regsp = c->cfm & 0x7f; /* size of frame */ return 0; #endif } static inline int linux_interrupt (struct cursor *c, ia64_loc_t prev_cfm_loc, unw_word_t *num_regsp, int marker) { #if defined(UNW_LOCAL_ONLY) && !(defined(__linux) && defined(__KERNEL__)) return -UNW_EINVAL; #else unw_word_t sc_addr, num_regs; ia64_loc_t pfs_loc; sc_addr = c->sigcontext_addr = c->sp + 0x10; if ((c->pr & (1UL << LINUX_PT_P_NONSYS)) != 0) num_regs = c->cfm & 0x7f; else num_regs = 0; /* do what can't be described by unwind directives: */ if (marker == ABI_MARKER_OLD_LINUX_INTERRUPT) pfs_loc = IA64_LOC_ADDR (sc_addr + LINUX_OLD_PT_PFS_OFF, 0); else pfs_loc = IA64_LOC_ADDR (sc_addr + LINUX_PT_PFS_OFF, 0); c->loc[IA64_REG_PFS] = pfs_loc; c->ec_loc = prev_cfm_loc; *num_regsp = num_regs; /* size of frame */ return 0; #endif } static inline int hpux_sigtramp (struct cursor *c, ia64_loc_t prev_cfm_loc, unw_word_t *num_regsp) { #if defined(UNW_LOCAL_ONLY) && !defined(__hpux) return -UNW_EINVAL; #else unw_word_t sc_addr, bsp, bspstore; ia64_loc_t sc_loc; int ret, i; /* HP-UX passes the address of ucontext_t in r32: */ if ((ret = ia64_get_stacked (c, 32, &sc_loc, NULL)) < 0) return ret; if ((ret = ia64_get (c, sc_loc, &sc_addr)) < 0) return ret; c->sigcontext_addr = sc_addr; /* Now mark all (preserved) registers as coming from the signal context: */ c->cfm_loc = IA64_LOC_UC_REG (UNW_IA64_CFM, sc_addr); c->loc[IA64_REG_PRI_UNAT_MEM] = IA64_NULL_LOC; c->loc[IA64_REG_PSP] = IA64_LOC_UC_REG (UNW_IA64_GR + 12, sc_addr); c->loc[IA64_REG_BSP] = IA64_LOC_UC_REG (UNW_IA64_AR_BSP, sc_addr); c->loc[IA64_REG_BSPSTORE] = IA64_LOC_UC_REG (UNW_IA64_AR_BSPSTORE, sc_addr); c->loc[IA64_REG_PFS] = IA64_LOC_UC_REG (UNW_IA64_AR_PFS, sc_addr); c->loc[IA64_REG_RNAT] = IA64_LOC_UC_REG (UNW_IA64_AR_RNAT, sc_addr); c->loc[IA64_REG_IP] = IA64_LOC_UC_REG (UNW_IA64_IP, sc_addr); c->loc[IA64_REG_R4] = IA64_LOC_UC_REG (UNW_IA64_GR + 4, sc_addr); c->loc[IA64_REG_R5] = IA64_LOC_UC_REG (UNW_IA64_GR + 5, sc_addr); c->loc[IA64_REG_R6] = IA64_LOC_UC_REG (UNW_IA64_GR + 6, sc_addr); c->loc[IA64_REG_R7] = IA64_LOC_UC_REG (UNW_IA64_GR + 7, sc_addr); c->loc[IA64_REG_NAT4] = IA64_LOC_UC_REG (UNW_IA64_NAT + 4, sc_addr); c->loc[IA64_REG_NAT5] = IA64_LOC_UC_REG (UNW_IA64_NAT + 5, sc_addr); c->loc[IA64_REG_NAT6] = IA64_LOC_UC_REG (UNW_IA64_NAT + 6, sc_addr); c->loc[IA64_REG_NAT7] = IA64_LOC_UC_REG (UNW_IA64_NAT + 7, sc_addr); c->loc[IA64_REG_UNAT] = IA64_LOC_UC_REG (UNW_IA64_AR_UNAT, sc_addr); c->loc[IA64_REG_PR] = IA64_LOC_UC_REG (UNW_IA64_PR, sc_addr); c->loc[IA64_REG_LC] = IA64_LOC_UC_REG (UNW_IA64_AR_LC, sc_addr); c->loc[IA64_REG_FPSR] = IA64_LOC_UC_REG (UNW_IA64_AR_FPSR, sc_addr); c->loc[IA64_REG_B1] = IA64_LOC_UC_REG (UNW_IA64_BR + 1, sc_addr); c->loc[IA64_REG_B2] = IA64_LOC_UC_REG (UNW_IA64_BR + 2, sc_addr); c->loc[IA64_REG_B3] = IA64_LOC_UC_REG (UNW_IA64_BR + 3, sc_addr); c->loc[IA64_REG_B4] = IA64_LOC_UC_REG (UNW_IA64_BR + 4, sc_addr); c->loc[IA64_REG_B5] = IA64_LOC_UC_REG (UNW_IA64_BR + 5, sc_addr); c->loc[IA64_REG_F2] = IA64_LOC_UC_REG (UNW_IA64_FR + 2, sc_addr); c->loc[IA64_REG_F3] = IA64_LOC_UC_REG (UNW_IA64_FR + 3, sc_addr); c->loc[IA64_REG_F4] = IA64_LOC_UC_REG (UNW_IA64_FR + 4, sc_addr); c->loc[IA64_REG_F5] = IA64_LOC_UC_REG (UNW_IA64_FR + 5, sc_addr); for (i = 0; i < 16; ++i) c->loc[IA64_REG_F16 + i] = IA64_LOC_UC_REG (UNW_IA64_FR + 16 + i, sc_addr); c->pi.flags |= UNW_PI_FLAG_IA64_RBS_SWITCH; /* update the CFM cache: */ if ((ret = ia64_get (c, c->cfm_loc, &c->cfm)) < 0) return ret; /* update the PSP cache: */ if ((ret = ia64_get (c, c->loc[IA64_REG_PSP], &c->psp)) < 0) return ret; if ((ret = ia64_get (c, c->loc[IA64_REG_BSP], &bsp)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_BSPSTORE], &bspstore)) < 0) return ret; if (bspstore < bsp) /* Dirty partition got spilled into the ucontext_t structure itself. We'll need to access it via uc_access(3). */ rbs_switch (c, bsp, bspstore, IA64_LOC_UC_ADDR (bsp | 0x1f8, 0)); c->ec_loc = prev_cfm_loc; *num_regsp = 0; return 0; #endif } static inline int check_rbs_switch (struct cursor *c) { unw_word_t saved_bsp, saved_bspstore, loadrs, ndirty; int ret = 0; saved_bsp = c->bsp; if (c->pi.flags & UNW_PI_FLAG_IA64_RBS_SWITCH) { /* Got ourselves a frame that has saved ar.bspstore, ar.bsp, and ar.rnat, so we're all set for rbs-switching: */ if ((ret = ia64_get (c, c->loc[IA64_REG_BSP], &saved_bsp)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_BSPSTORE], &saved_bspstore))) return ret; } else if ((c->abi_marker == ABI_MARKER_LINUX_SIGTRAMP || c->abi_marker == ABI_MARKER_OLD_LINUX_SIGTRAMP) && !IA64_IS_REG_LOC (c->loc[IA64_REG_BSP]) && (IA64_GET_ADDR (c->loc[IA64_REG_BSP]) == c->sigcontext_addr + LINUX_SC_AR_BSP_OFF)) { /* When Linux delivers a signal on an alternate stack, it does things a bit differently from what the unwind conventions allow us to describe: instead of saving ar.rnat, ar.bsp, and ar.bspstore, it saves the former two plus the "loadrs" value. Because of this, we need to detect & record a potential rbs-area switch manually... */ /* If ar.bsp has been saved already AND the current bsp is not equal to the saved value, then we know for sure that we're past the point where the backing store has been switched (and before the point where it's restored). */ if ((ret = ia64_get (c, IA64_LOC_ADDR (c->sigcontext_addr + LINUX_SC_AR_BSP_OFF, 0), &saved_bsp) < 0) || (ret = ia64_get (c, IA64_LOC_ADDR (c->sigcontext_addr + LINUX_SC_LOADRS_OFF, 0), &loadrs) < 0)) return ret; loadrs >>= 16; ndirty = rse_num_regs (c->bsp - loadrs, c->bsp); saved_bspstore = rse_skip_regs (saved_bsp, -ndirty); } if (saved_bsp == c->bsp) return 0; return rbs_switch (c, saved_bsp, saved_bspstore, c->loc[IA64_REG_RNAT]); } static inline int update_frame_state (struct cursor *c) { unw_word_t prev_ip, prev_sp, prev_bsp, ip, num_regs; ia64_loc_t prev_cfm_loc; int ret; prev_cfm_loc = c->cfm_loc; prev_ip = c->ip; prev_sp = c->sp; prev_bsp = c->bsp; /* Update the IP cache (do this first: if we reach the end of the frame-chain, the rest of the info may not be valid/useful anymore. */ ret = ia64_get (c, c->loc[IA64_REG_IP], &ip); if (ret < 0) return ret; c->ip = ip; if ((ip & 0xc) != 0) { /* don't let obviously bad addresses pollute the cache */ Debug (1, "rejecting bad ip=0x%lx\n", (long) c->ip); return -UNW_EINVALIDIP; } c->cfm_loc = c->loc[IA64_REG_PFS]; /* update the CFM cache: */ ret = ia64_get (c, c->cfm_loc, &c->cfm); if (ret < 0) return ret; /* Normally, AR.EC is stored in the CFM save-location. That save-location contains the full function-state as defined by AR.PFS. However, interruptions only save the frame-marker, not any other info in CFM. Instead, AR.EC gets saved on the first call by the interruption-handler. Thus, interruption-related frames need to track the _previous_ CFM save-location since that's were AR.EC is saved. We support this by setting ec_loc to cfm_loc by default and giving frames marked with an ABI-marker the chance to override this value with prev_cfm_loc. */ c->ec_loc = c->cfm_loc; num_regs = 0; if (unlikely (c->abi_marker)) { c->last_abi_marker = c->abi_marker; switch (ia64_get_abi_marker (c)) { case ABI_MARKER_LINUX_SIGTRAMP: case ABI_MARKER_OLD_LINUX_SIGTRAMP: ia64_set_abi (c, ABI_LINUX); if ((ret = linux_sigtramp (c, prev_cfm_loc, &num_regs)) < 0) return ret; break; case ABI_MARKER_OLD_LINUX_INTERRUPT: case ABI_MARKER_LINUX_INTERRUPT: ia64_set_abi (c, ABI_LINUX); if ((ret = linux_interrupt (c, prev_cfm_loc, &num_regs, c->abi_marker)) < 0) return ret; break; case ABI_MARKER_HP_UX_SIGTRAMP: ia64_set_abi (c, ABI_HPUX); if ((ret = hpux_sigtramp (c, prev_cfm_loc, &num_regs)) < 0) return ret; break; default: Debug (1, "unknown ABI marker: ABI=%u, context=%u\n", c->abi_marker >> 8, c->abi_marker & 0xff); return -UNW_EINVAL; } Debug (12, "sigcontext_addr=%lx (ret=%d)\n", (unsigned long) c->sigcontext_addr, ret); c->sigcontext_off = c->sigcontext_addr - c->sp; /* update the IP cache: */ if ((ret = ia64_get (c, c->loc[IA64_REG_IP], &ip)) < 0) return ret; c->ip = ip; if (ip == 0) /* end of frame-chain reached */ return 0; } else num_regs = (c->cfm >> 7) & 0x7f; /* size of locals */ if (!IA64_IS_NULL_LOC (c->loc[IA64_REG_BSP])) { ret = check_rbs_switch (c); if (ret < 0) return ret; } c->bsp = rse_skip_regs (c->bsp, -num_regs); c->sp = c->psp; c->abi_marker = 0; if (c->ip == prev_ip && c->sp == prev_sp && c->bsp == prev_bsp) { Dprintf ("%s: ip, sp, and bsp unchanged; stopping here (ip=0x%lx)\n", __FUNCTION__, (long) ip); return -UNW_EBADFRAME; } /* as we unwind, the saved ar.unat becomes the primary unat: */ c->loc[IA64_REG_PRI_UNAT_MEM] = c->loc[IA64_REG_UNAT]; /* restore the predicates: */ ret = ia64_get (c, c->loc[IA64_REG_PR], &c->pr); if (ret < 0) return ret; c->pi_valid = 0; return 0; } int unw_step (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; int ret; Debug (1, "(cursor=%p, ip=0x%016lx)\n", c, (unsigned long) c->ip); if ((ret = ia64_find_save_locs (c)) >= 0 && (ret = update_frame_state (c)) >= 0) ret = (c->ip == 0) ? 0 : 1; Debug (2, "returning %d (ip=0x%016lx)\n", ret, (unsigned long) c->ip); return ret; } libunwind-1.3.2/src/ia64/Lrbs.c0000644000175000017500000000020013406556425013033 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Grbs.c" #endif libunwind-1.3.2/src/ia64/Lparser.c0000644000175000017500000000020313406556425013544 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gparser.c" #endif libunwind-1.3.2/src/ia64/Gtables.c0000644000175000017500000005263213406755365013536 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2001-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include "unwind_i.h" #ifdef HAVE_IA64INTRIN_H # include #endif extern unw_addr_space_t _ULia64_local_addr_space; struct ia64_table_entry { uint64_t start_offset; uint64_t end_offset; uint64_t info_offset; }; #ifdef UNW_LOCAL_ONLY static inline int is_local_addr_space (unw_addr_space_t as) { return 1; } static inline int read_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *valp, void *arg) { *valp = *(unw_word_t *) addr; return 0; } #else /* !UNW_LOCAL_ONLY */ static inline int is_local_addr_space (unw_addr_space_t as) { return as == unw_local_addr_space; } static inline int read_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *valp, void *arg) { unw_accessors_t *a = unw_get_accessors_int (as); return (*a->access_mem) (as, addr, valp, 0, arg); } /* Helper macro for reading an ia64_table_entry from remote memory. */ #define remote_read(addr, member) \ (*a->access_mem) (as, (addr) + offsetof (struct ia64_table_entry, \ member), &member, 0, arg) /* Lookup an unwind-table entry in remote memory. Returns 1 if an entry is found, 0 if no entry is found, negative if an error occurred reading remote memory. */ static int remote_lookup (unw_addr_space_t as, unw_word_t table, size_t table_size, unw_word_t rel_ip, struct ia64_table_entry *e, void *arg) { unw_word_t e_addr = 0, start_offset, end_offset, info_offset; unw_accessors_t *a = unw_get_accessors_int (as); unsigned long lo, hi, mid; int ret; /* do a binary search for right entry: */ for (lo = 0, hi = table_size / sizeof (struct ia64_table_entry); lo < hi;) { mid = (lo + hi) / 2; e_addr = table + mid * sizeof (struct ia64_table_entry); if ((ret = remote_read (e_addr, start_offset)) < 0) return ret; if (rel_ip < start_offset) hi = mid; else { if ((ret = remote_read (e_addr, end_offset)) < 0) return ret; if (rel_ip >= end_offset) lo = mid + 1; else break; } } if (rel_ip < start_offset || rel_ip >= end_offset) return 0; e->start_offset = start_offset; e->end_offset = end_offset; if ((ret = remote_read (e_addr, info_offset)) < 0) return ret; e->info_offset = info_offset; return 1; } HIDDEN void tdep_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg) { if (!pi->unwind_info) return; if (is_local_addr_space (as)) { free (pi->unwind_info); pi->unwind_info = NULL; } } unw_word_t _Uia64_find_dyn_list (unw_addr_space_t as, unw_dyn_info_t *di, void *arg) { unw_word_t hdr_addr, info_addr, hdr, directives, pers, cookie, off; unw_word_t start_offset, end_offset, info_offset, segbase; struct ia64_table_entry *e; size_t table_size; unw_word_t gp = di->gp; int ret; switch (di->format) { case UNW_INFO_FORMAT_DYNAMIC: default: return 0; case UNW_INFO_FORMAT_TABLE: e = (struct ia64_table_entry *) di->u.ti.table_data; table_size = di->u.ti.table_len * sizeof (di->u.ti.table_data[0]); segbase = di->u.ti.segbase; if (table_size < sizeof (struct ia64_table_entry)) return 0; start_offset = e[0].start_offset; end_offset = e[0].end_offset; info_offset = e[0].info_offset; break; case UNW_INFO_FORMAT_REMOTE_TABLE: { unw_accessors_t *a = unw_get_accessors_int (as); unw_word_t e_addr = di->u.rti.table_data; table_size = di->u.rti.table_len * sizeof (unw_word_t); segbase = di->u.rti.segbase; if (table_size < sizeof (struct ia64_table_entry)) return 0; if ( (ret = remote_read (e_addr, start_offset) < 0) || (ret = remote_read (e_addr, end_offset) < 0) || (ret = remote_read (e_addr, info_offset) < 0)) return ret; } break; } if (start_offset != end_offset) /* dyn-list entry cover a zero-length "procedure" and should be first entry (note: technically a binary could contain code below the segment base, but this doesn't happen for normal binaries and certainly doesn't happen when libunwind is a separate shared object. For weird cases, the application may have to provide its own (slower) version of this routine. */ return 0; hdr_addr = info_offset + segbase; info_addr = hdr_addr + 8; /* read the header word: */ if ((ret = read_mem (as, hdr_addr, &hdr, arg)) < 0) return ret; if (IA64_UNW_VER (hdr) != 1 || IA64_UNW_FLAG_EHANDLER (hdr) || IA64_UNW_FLAG_UHANDLER (hdr)) /* dyn-list entry must be version 1 and doesn't have ehandler or uhandler */ return 0; if (IA64_UNW_LENGTH (hdr) != 1) /* dyn-list entry must consist of a single word of NOP directives */ return 0; if ( ((ret = read_mem (as, info_addr, &directives, arg)) < 0) || ((ret = read_mem (as, info_addr + 0x08, &pers, arg)) < 0) || ((ret = read_mem (as, info_addr + 0x10, &cookie, arg)) < 0) || ((ret = read_mem (as, info_addr + 0x18, &off, arg)) < 0)) return 0; if (directives != 0 || pers != 0 || (!as->big_endian && cookie != 0x7473696c2d6e7964ULL) || ( as->big_endian && cookie != 0x64796e2d6c697374ULL)) return 0; /* OK, we ran the gauntlet and found it: */ return off + gp; } #endif /* !UNW_LOCAL_ONLY */ static inline const struct ia64_table_entry * lookup (struct ia64_table_entry *table, size_t table_size, unw_word_t rel_ip) { const struct ia64_table_entry *e = 0; unsigned long lo, hi, mid; /* do a binary search for right entry: */ for (lo = 0, hi = table_size / sizeof (struct ia64_table_entry); lo < hi;) { mid = (lo + hi) / 2; e = table + mid; if (rel_ip < e->start_offset) hi = mid; else if (rel_ip >= e->end_offset) lo = mid + 1; else break; } if (rel_ip < e->start_offset || rel_ip >= e->end_offset) return NULL; return e; } int unw_search_ia64_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg) { unw_word_t addr, hdr_addr, info_addr, info_end_addr, hdr, *wp; const struct ia64_table_entry *e = NULL; unw_word_t handler_offset, segbase = 0; int ret, is_local; #ifndef UNW_LOCAL_ONLY struct ia64_table_entry ent; #endif assert ((di->format == UNW_INFO_FORMAT_TABLE || di->format == UNW_INFO_FORMAT_REMOTE_TABLE) && (ip >= di->start_ip && ip < di->end_ip)); pi->flags = 0; pi->unwind_info = 0; pi->handler = 0; if (likely (di->format == UNW_INFO_FORMAT_TABLE)) { segbase = di->u.ti.segbase; e = lookup ((struct ia64_table_entry *) di->u.ti.table_data, di->u.ti.table_len * sizeof (unw_word_t), ip - segbase); } #ifndef UNW_LOCAL_ONLY else { segbase = di->u.rti.segbase; if ((ret = remote_lookup (as, di->u.rti.table_data, di->u.rti.table_len * sizeof (unw_word_t), ip - segbase, &ent, arg)) < 0) return ret; if (ret) e = &ent; } #endif if (!e) { /* IP is inside this table's range, but there is no explicit unwind info => use default conventions (i.e., this is NOT an error). */ memset (pi, 0, sizeof (*pi)); pi->start_ip = 0; pi->end_ip = 0; pi->gp = di->gp; pi->lsda = 0; return 0; } pi->start_ip = e->start_offset + segbase; pi->end_ip = e->end_offset + segbase; hdr_addr = e->info_offset + segbase; info_addr = hdr_addr + 8; /* Read the header word. Note: the actual unwind-info is always assumed to reside in memory, independent of whether di->format is UNW_INFO_FORMAT_TABLE or UNW_INFO_FORMAT_REMOTE_TABLE. */ if ((ret = read_mem (as, hdr_addr, &hdr, arg)) < 0) return ret; if (IA64_UNW_VER (hdr) != 1) { Debug (1, "Unknown header version %ld (hdr word=0x%lx @ 0x%lx)\n", IA64_UNW_VER (hdr), (unsigned long) hdr, (unsigned long) hdr_addr); return -UNW_EBADVERSION; } info_end_addr = info_addr + 8 * IA64_UNW_LENGTH (hdr); is_local = is_local_addr_space (as); /* If we must have the unwind-info, return it. Also, if we are in the local address-space, return the unwind-info because it's so cheap to do so and it may come in handy later on. */ if (need_unwind_info || is_local) { pi->unwind_info_size = 8 * IA64_UNW_LENGTH (hdr); if (is_local) pi->unwind_info = (void *) (uintptr_t) info_addr; else { /* Internalize unwind info. Note: since we're doing this only for non-local address spaces, there is no signal-safety issue and it is OK to use malloc()/free(). */ pi->unwind_info = malloc (8 * IA64_UNW_LENGTH (hdr)); if (!pi->unwind_info) return -UNW_ENOMEM; wp = (unw_word_t *) pi->unwind_info; for (addr = info_addr; addr < info_end_addr; addr += 8, ++wp) { if ((ret = read_mem (as, addr, wp, arg)) < 0) { free (pi->unwind_info); return ret; } } } } if (IA64_UNW_FLAG_EHANDLER (hdr) || IA64_UNW_FLAG_UHANDLER (hdr)) { /* read the personality routine address (address is gp-relative): */ if ((ret = read_mem (as, info_end_addr, &handler_offset, arg)) < 0) return ret; Debug (4, "handler ptr @ offset=%lx, gp=%lx\n", handler_offset, di->gp); if ((read_mem (as, handler_offset + di->gp, &pi->handler, arg)) < 0) return ret; } pi->lsda = info_end_addr + 8; pi->gp = di->gp; pi->format = di->format; return 0; } #ifndef UNW_REMOTE_ONLY # if defined(HAVE_DL_ITERATE_PHDR) # include # include # if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2) \ || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && !defined(DT_CONFIG)) # error You need GLIBC 2.2.4 or later on IA-64 Linux # endif # if defined(HAVE_GETUNWIND) extern unsigned long getunwind (void *buf, size_t len); # else /* HAVE_GETUNWIND */ # include # include # ifndef __NR_getunwind # define __NR_getunwind 1215 # endif static unsigned long getunwind (void *buf, size_t len) { return syscall (SYS_getunwind, buf, len); } # endif /* HAVE_GETUNWIND */ static unw_dyn_info_t kernel_table; static int get_kernel_table (unw_dyn_info_t *di) { struct ia64_table_entry *ktab, *etab; size_t size; Debug (16, "getting kernel table"); size = getunwind (NULL, 0); ktab = sos_alloc (size); if (!ktab) { Dprintf (__FILE__".%s: failed to allocate %zu bytes", __FUNCTION__, size); return -UNW_ENOMEM; } getunwind (ktab, size); /* Determine length of kernel's unwind table & relocate its entries. */ for (etab = ktab; etab->start_offset; ++etab) etab->info_offset += (uint64_t) ktab; di->format = UNW_INFO_FORMAT_TABLE; di->gp = 0; di->start_ip = ktab[0].start_offset; di->end_ip = etab[-1].end_offset; di->u.ti.name_ptr = (unw_word_t) ""; di->u.ti.segbase = 0; di->u.ti.table_len = ((char *) etab - (char *) ktab) / sizeof (unw_word_t); di->u.ti.table_data = (unw_word_t *) ktab; Debug (16, "found table `%s': [%lx-%lx) segbase=%lx len=%lu\n", (char *) di->u.ti.name_ptr, di->start_ip, di->end_ip, di->u.ti.segbase, di->u.ti.table_len); return 0; } # ifndef UNW_LOCAL_ONLY /* This is exported for the benefit of libunwind-ptrace.a. */ int _Uia64_get_kernel_table (unw_dyn_info_t *di) { int ret; if (!kernel_table.u.ti.table_data) if ((ret = get_kernel_table (&kernel_table)) < 0) return ret; memcpy (di, &kernel_table, sizeof (*di)); return 0; } # endif /* !UNW_LOCAL_ONLY */ static inline unsigned long current_gp (void) { # if defined(__GNUC__) && !defined(__INTEL_COMPILER) register unsigned long gp __asm__("gp"); return gp; # elif HAVE_IA64INTRIN_H return __getReg (_IA64_REG_GP); # else # error Implement me. # endif } static int callback (struct dl_phdr_info *info, size_t size, void *ptr) { unw_dyn_info_t *di = ptr; const Elf64_Phdr *phdr, *p_unwind, *p_dynamic, *p_text; long n; Elf64_Addr load_base, segbase = 0; /* Make sure struct dl_phdr_info is at least as big as we need. */ if (size < offsetof (struct dl_phdr_info, dlpi_phnum) + sizeof (info->dlpi_phnum)) return -1; Debug (16, "checking `%s' (load_base=%lx)\n", info->dlpi_name, info->dlpi_addr); phdr = info->dlpi_phdr; load_base = info->dlpi_addr; p_text = NULL; p_unwind = NULL; p_dynamic = NULL; /* See if PC falls into one of the loaded segments. Find the unwind segment at the same time. */ for (n = info->dlpi_phnum; --n >= 0; phdr++) { if (phdr->p_type == PT_LOAD) { Elf64_Addr vaddr = phdr->p_vaddr + load_base; if (di->u.ti.segbase >= vaddr && di->u.ti.segbase < vaddr + phdr->p_memsz) p_text = phdr; } else if (phdr->p_type == PT_IA_64_UNWIND) p_unwind = phdr; else if (phdr->p_type == PT_DYNAMIC) p_dynamic = phdr; } if (!p_text || !p_unwind) return 0; if (likely (p_unwind->p_vaddr >= p_text->p_vaddr && p_unwind->p_vaddr < p_text->p_vaddr + p_text->p_memsz)) /* normal case: unwind table is inside text segment */ segbase = p_text->p_vaddr + load_base; else { /* Special case: unwind table is in some other segment; this happens for the Linux kernel's gate DSO, for example. */ phdr = info->dlpi_phdr; for (n = info->dlpi_phnum; --n >= 0; phdr++) { if (phdr->p_type == PT_LOAD && p_unwind->p_vaddr >= phdr->p_vaddr && p_unwind->p_vaddr < phdr->p_vaddr + phdr->p_memsz) { segbase = phdr->p_vaddr + load_base; break; } } } if (p_dynamic) { /* For dynamicly linked executables and shared libraries, DT_PLTGOT is the gp value for that object. */ Elf64_Dyn *dyn = (Elf64_Dyn *)(p_dynamic->p_vaddr + load_base); for (; dyn->d_tag != DT_NULL; ++dyn) if (dyn->d_tag == DT_PLTGOT) { /* On IA-64, _DYNAMIC is writable and GLIBC has relocated it. */ di->gp = dyn->d_un.d_ptr; break; } } else /* Otherwise this is a static executable with no _DYNAMIC. The gp is constant program-wide. */ di->gp = current_gp(); di->format = UNW_INFO_FORMAT_TABLE; di->start_ip = p_text->p_vaddr + load_base; di->end_ip = p_text->p_vaddr + load_base + p_text->p_memsz; di->u.ti.name_ptr = (unw_word_t) info->dlpi_name; di->u.ti.table_data = (void *) (p_unwind->p_vaddr + load_base); di->u.ti.table_len = p_unwind->p_memsz / sizeof (unw_word_t); di->u.ti.segbase = segbase; Debug (16, "found table `%s': segbase=%lx, len=%lu, gp=%lx, " "table_data=%p\n", (char *) di->u.ti.name_ptr, di->u.ti.segbase, di->u.ti.table_len, di->gp, di->u.ti.table_data); return 1; } # ifdef HAVE_DL_PHDR_REMOVALS_COUNTER static inline int validate_cache (unw_addr_space_t as) { /* Note: we don't need to serialize here with respect to dl_iterate_phdr() because if somebody were to remove an object that is required to complete the unwind on whose behalf we're validating the cache here, we'd be hosed anyhow. What we're guarding against here is the case where library FOO gets mapped, unwind info for FOO gets cached, FOO gets unmapped, BAR gets mapped in the place where FOO was and then we unwind across a function in FOO. Since no thread can execute in BAR before FOO has been removed, we are guaranteed that dl_phdr_removals_counter() would have been incremented before we get here. */ unsigned long long removals = dl_phdr_removals_counter (); if (removals == as->shared_object_removals) return 1; as->shared_object_removals = removals; unw_flush_cache (as, 0, 0); return -1; } # else /* !HAVE_DL_PHDR_REMOVALS_COUNTER */ /* Check whether any phdrs have been removed since we last flushed the cache. If so we flush the cache and return -1, if not, we do nothing and return 1. */ static int check_callback (struct dl_phdr_info *info, size_t size, void *ptr) { # ifdef HAVE_STRUCT_DL_PHDR_INFO_DLPI_SUBS unw_addr_space_t as = ptr; if (size < offsetof (struct dl_phdr_info, dlpi_subs) + sizeof (info->dlpi_subs)) /* It would be safer to flush the cache here, but that would disable caching for older libc's which would be incompatible with the behavior of older versions of libunwind so we return 1 instead and hope nobody runs into stale cache info... */ return 1; if (info->dlpi_subs == as->shared_object_removals) return 1; as->shared_object_removals = info->dlpi_subs; unw_flush_cache (as, 0, 0); return -1; /* indicate that there were removals */ # else return 1; # endif } static inline int validate_cache (unw_addr_space_t as) { intrmask_t saved_mask; int ret; SIGPROCMASK (SIG_SETMASK, &unwi_full_mask, &saved_mask); ret = dl_iterate_phdr (check_callback, as); SIGPROCMASK (SIG_SETMASK, &saved_mask, NULL); return ret; } # endif /* HAVE_DL_PHDR_REMOVALS_COUNTER */ # elif defined(HAVE_DLMODINFO) /* Support for HP-UX-style dlmodinfo() */ # include static inline int validate_cache (unw_addr_space_t as) { return 1; } # endif /* !HAVE_DLMODINFO */ HIDDEN int tdep_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg) { # if defined(HAVE_DL_ITERATE_PHDR) unw_dyn_info_t di, *dip = &di; intrmask_t saved_mask; int ret; di.u.ti.segbase = ip; /* this is cheap... */ SIGPROCMASK (SIG_SETMASK, &unwi_full_mask, &saved_mask); ret = dl_iterate_phdr (callback, &di); SIGPROCMASK (SIG_SETMASK, &saved_mask, NULL); if (ret <= 0) { if (!kernel_table.u.ti.table_data) { if ((ret = get_kernel_table (&kernel_table)) < 0) return ret; } if (ip < kernel_table.start_ip || ip >= kernel_table.end_ip) return -UNW_ENOINFO; dip = &kernel_table; } # elif defined(HAVE_DLMODINFO) # define UNWIND_TBL_32BIT 0x8000000000000000 struct load_module_desc lmd; unw_dyn_info_t di, *dip = &di; struct unwind_header { uint64_t header_version; uint64_t start_offset; uint64_t end_offset; } *uhdr; if (!dlmodinfo (ip, &lmd, sizeof (lmd), NULL, 0, 0)) return -UNW_ENOINFO; di.format = UNW_INFO_FORMAT_TABLE; di.start_ip = lmd.text_base; di.end_ip = lmd.text_base + lmd.text_size; di.gp = lmd.linkage_ptr; di.u.ti.name_ptr = 0; /* no obvious table-name available */ di.u.ti.segbase = lmd.text_base; uhdr = (struct unwind_header *) lmd.unwind_base; if ((uhdr->header_version & ~UNWIND_TBL_32BIT) != 1 && (uhdr->header_version & ~UNWIND_TBL_32BIT) != 2) { Debug (1, "encountered unknown unwind header version %ld\n", (long) (uhdr->header_version & ~UNWIND_TBL_32BIT)); return -UNW_EBADVERSION; } if (uhdr->header_version & UNWIND_TBL_32BIT) { Debug (1, "32-bit unwind tables are not supported yet\n"); return -UNW_EINVAL; } di.u.ti.table_data = (unw_word_t *) (di.u.ti.segbase + uhdr->start_offset); di.u.ti.table_len = ((uhdr->end_offset - uhdr->start_offset) / sizeof (unw_word_t)); Debug (16, "found table `%s': segbase=%lx, len=%lu, gp=%lx, " "table_data=%p\n", (char *) di.u.ti.name_ptr, di.u.ti.segbase, di.u.ti.table_len, di.gp, di.u.ti.table_data); # endif /* now search the table: */ return tdep_search_unwind_table (as, ip, dip, pi, need_unwind_info, arg); } /* Returns 1 if the cache is up-to-date or -1 if the cache contained stale data and had to be flushed. */ HIDDEN int ia64_local_validate_cache (unw_addr_space_t as, void *arg) { return validate_cache (as); } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ia64/Linit_local.c0000644000175000017500000000020713406556425014371 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit_local.c" #endif libunwind-1.3.2/src/ia64/Gis_signal_frame.c0000644000175000017500000000363713406755365015407 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_is_signal_frame (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; struct ia64_state_record sr; int ret; /* Crude and slow, but we need to peek ahead into the unwind descriptors to find out if the current IP is inside the signal trampoline. */ ret = ia64_fetch_proc_info (c, c->ip, 1); if (ret < 0) return ret; ret = ia64_create_state_record (c, &sr); if (ret < 0) return ret; /* For now, we assume that any non-zero abi marker implies a signal frame. This should get us pretty far. */ ret = (sr.abi_marker != 0); ia64_free_state_record (&sr); Debug (1, "(cursor=%p, ip=0x%016lx) -> %d\n", c, c->ip, ret); return ret; } libunwind-1.3.2/src/ia64/Linit.c0000644000175000017500000000020113406556425013211 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Ginit.c" #endif libunwind-1.3.2/src/ia64/ucontext_i.h0000644000175000017500000000401313406556425014325 00000000000000/* Copyright (C) 2002 Hewlett-Packard Co. Contributed by David Mosberger-Tang . This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Constants shared between setcontext() and getcontext(). Don't install this header file. */ #define SIG_BLOCK 0 #define SIG_UNBLOCK 1 #define SIG_SETMASK 2 #define IA64_SC_FLAG_SYNCHRONOUS_BIT 63 #define SC_FLAGS 0x000 #define SC_NAT 0x008 #define SC_BSP 0x048 #define SC_RNAT 0x050 #define SC_UNAT 0x060 #define SC_FPSR 0x068 #define SC_PFS 0x070 #define SC_LC 0x078 #define SC_PR 0x080 #define SC_BR 0x088 #define SC_GR 0x0c8 #define SC_FR 0x1d0 #define SC_MASK 0x9d0 #define rTMP r10 #define rPOS r11 #define rCPOS r14 #define rNAT r15 #define rFLAGS r16 #define rB5 r18 #define rB4 r19 #define rB3 r20 #define rB2 r21 #define rB1 r22 #define rB0 r23 #define rRSC r24 #define rBSP r25 #define rRNAT r26 #define rUNAT r27 #define rFPSR r28 #define rPFS r29 #define rLC r30 #define rPR r31 libunwind-1.3.2/src/ia64/Gfind_unwind_table.c0000644000175000017500000001070313406556425015724 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "libunwind_i.h" #include "elf64.h" static unw_word_t find_gp (struct elf_dyn_info *edi, Elf64_Phdr *pdyn, Elf64_Addr load_base) { Elf64_Off soff, str_soff; Elf64_Ehdr *ehdr = edi->ei.image; Elf64_Shdr *shdr; Elf64_Shdr *str_shdr; Elf64_Addr gp = 0; char *strtab; int i; if (pdyn) { /* If we have a PT_DYNAMIC program header, fetch the gp-value from the DT_PLTGOT entry. */ Elf64_Dyn *dyn = (Elf64_Dyn *) (pdyn->p_offset + (char *) edi->ei.image); for (; dyn->d_tag != DT_NULL; ++dyn) if (dyn->d_tag == DT_PLTGOT) { gp = (Elf64_Addr) dyn->d_un.d_ptr + load_base; goto done; } } /* Without a PT_DYAMIC header, lets try to look for a non-empty .opd section. If there is such a section, we know it's full of function descriptors, and we can simply pick up the gp from the second word of the first entry in this table. */ soff = ehdr->e_shoff; str_soff = soff + (ehdr->e_shstrndx * ehdr->e_shentsize); if (soff + ehdr->e_shnum * ehdr->e_shentsize > edi->ei.size) { Debug (1, "section table outside of image? (%lu > %lu)", soff + ehdr->e_shnum * ehdr->e_shentsize, edi->ei.size); goto done; } shdr = (Elf64_Shdr *) ((char *) edi->ei.image + soff); str_shdr = (Elf64_Shdr *) ((char *) edi->ei.image + str_soff); strtab = (char *) edi->ei.image + str_shdr->sh_offset; for (i = 0; i < ehdr->e_shnum; ++i) { if (strcmp (strtab + shdr->sh_name, ".opd") == 0 && shdr->sh_size >= 16) { gp = ((Elf64_Addr *) ((char *) edi->ei.image + shdr->sh_offset))[1]; goto done; } shdr = (Elf64_Shdr *) (((char *) shdr) + ehdr->e_shentsize); } done: Debug (16, "image at %p, gp = %lx\n", edi->ei.image, gp); return gp; } int ia64_find_unwind_table (struct elf_dyn_info *edi, unw_addr_space_t as, char *path, unw_word_t segbase, unw_word_t mapoff, unw_word_t ip) { Elf64_Phdr *phdr, *ptxt = NULL, *punw = NULL, *pdyn = NULL; Elf64_Ehdr *ehdr; int i; if (!_Uelf64_valid_object (&edi->ei)) return -UNW_ENOINFO; ehdr = edi->ei.image; phdr = (Elf64_Phdr *) ((char *) edi->ei.image + ehdr->e_phoff); for (i = 0; i < ehdr->e_phnum; ++i) { switch (phdr[i].p_type) { case PT_LOAD: if (phdr[i].p_offset == mapoff) ptxt = phdr + i; break; case PT_IA_64_UNWIND: punw = phdr + i; break; case PT_DYNAMIC: pdyn = phdr + i; break; default: break; } } if (!ptxt || !punw) return 0; edi->di_cache.start_ip = segbase; edi->di_cache.end_ip = edi->di_cache.start_ip + ptxt->p_memsz; edi->di_cache.gp = find_gp (edi, pdyn, segbase - ptxt->p_vaddr); edi->di_cache.format = UNW_INFO_FORMAT_TABLE; edi->di_cache.u.ti.name_ptr = 0; edi->di_cache.u.ti.segbase = segbase; edi->di_cache.u.ti.table_len = punw->p_memsz / sizeof (unw_word_t); edi->di_cache.u.ti.table_data = (unw_word_t *) ((char *) edi->ei.image + (punw->p_vaddr - ptxt->p_vaddr)); return 1; } libunwind-1.3.2/src/ia64/Ginit.c0000644000175000017500000003277713640667603013234 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" #ifdef HAVE_SYS_UC_ACCESS_H # include #endif #ifdef UNW_REMOTE_ONLY /* unw_local_addr_space is a NULL pointer in this case. */ unw_addr_space_t unw_local_addr_space; #else /* !UNW_REMOTE_ONLY */ static struct unw_addr_space local_addr_space; unw_addr_space_t unw_local_addr_space = &local_addr_space; #ifdef HAVE_SYS_UC_ACCESS_H #else /* !HAVE_SYS_UC_ACCESS_H */ HIDDEN void * tdep_uc_addr (ucontext_t *uc, int reg, uint8_t *nat_bitnr) { return inlined_uc_addr (uc, reg, nat_bitnr); } #endif /* !HAVE_SYS_UC_ACCESS_H */ static void put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) { /* it's a no-op */ } static int get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, void *arg) { #ifndef UNW_LOCAL_ONLY # pragma weak _U_dyn_info_list_addr if (!_U_dyn_info_list_addr) return -UNW_ENOINFO; #endif *dyn_info_list_addr = _U_dyn_info_list_addr (); return 0; } static int access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, void *arg) { if (write) { Debug (12, "mem[%lx] <- %lx\n", addr, *val); *(unw_word_t *) addr = *val; } else { *val = *(unw_word_t *) addr; Debug (12, "mem[%lx] -> %lx\n", addr, *val); } return 0; } #ifdef HAVE_SYS_UC_ACCESS_H #define SYSCALL_CFM_SAVE_REG 11 /* on a syscall, ar.pfs is saved in r11 */ #define REASON_SYSCALL 0 static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { ucontext_t *uc = arg; unsigned int nat, mask; uint64_t value; uint16_t reason; int ret; __uc_get_reason (uc, &reason); switch (reg) { case UNW_IA64_GR ... UNW_IA64_GR + 31: if ((ret = __uc_get_grs (uc, (reg - UNW_IA64_GR), 1, &value, &nat))) break; if (write) ret = __uc_set_grs (uc, (reg - UNW_IA64_GR), 1, val, nat); else *val = value; break; case UNW_IA64_NAT ... UNW_IA64_NAT + 31: if ((ret = __uc_get_grs (uc, (reg - UNW_IA64_GR), 1, &value, &nat))) break; mask = 1 << (reg - UNW_IA64_GR); if (write) { if (*val) nat |= mask; else nat &= ~mask; ret = __uc_set_grs (uc, (reg - UNW_IA64_GR), 1, &value, nat); } else *val = (nat & mask) != 0; break; case UNW_IA64_AR ... UNW_IA64_AR + 127: if (reg == UNW_IA64_AR_BSP) { if (write) ret = __uc_set_ar (uc, (reg - UNW_IA64_AR), *val); else ret = __uc_get_ar (uc, (reg - UNW_IA64_AR), val); } else if (reg == UNW_IA64_AR_PFS && reason == REASON_SYSCALL) { /* As of HP-UX 11.22, getcontext() does not have unwind info and because of that, we need to hack thins manually here. Hopefully, this is OK because the HP-UX kernel also needs to know where AR.PFS has been saved, so the use of register r11 for this purpose is pretty much nailed down. */ if (write) ret = __uc_set_grs (uc, SYSCALL_CFM_SAVE_REG, 1, val, 0); else ret = __uc_get_grs (uc, SYSCALL_CFM_SAVE_REG, 1, val, &nat); } else { if (write) ret = __uc_set_ar (uc, (reg - UNW_IA64_AR), *val); else ret = __uc_get_ar (uc, (reg - UNW_IA64_AR), val); } break; case UNW_IA64_BR ... UNW_IA64_BR + 7: if (write) ret = __uc_set_brs (uc, (reg - UNW_IA64_BR), 1, val); else ret = __uc_get_brs (uc, (reg - UNW_IA64_BR), 1, val); break; case UNW_IA64_PR: if (write) ret = __uc_set_prs (uc, *val); else ret = __uc_get_prs (uc, val); break; case UNW_IA64_IP: if (write) ret = __uc_set_ip (uc, *val); else ret = __uc_get_ip (uc, val); break; case UNW_IA64_CFM: if (write) ret = __uc_set_cfm (uc, *val); else ret = __uc_get_cfm (uc, val); break; case UNW_IA64_FR ... UNW_IA64_FR + 127: default: ret = EINVAL; break; } if (ret != 0) { Debug (1, "failed to %s %s (ret = %d)\n", write ? "write" : "read", unw_regname (reg), ret); return -UNW_EBADREG; } if (write) Debug (12, "%s <- %lx\n", unw_regname (reg), *val); else Debug (12, "%s -> %lx\n", unw_regname (reg), *val); return 0; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; fp_regval_t fp_regval; int ret; switch (reg) { case UNW_IA64_FR ... UNW_IA64_FR + 127: if (write) { memcpy (&fp_regval, val, sizeof (fp_regval)); ret = __uc_set_frs (uc, (reg - UNW_IA64_FR), 1, &fp_regval); } else { ret = __uc_get_frs (uc, (reg - UNW_IA64_FR), 1, &fp_regval); memcpy (val, &fp_regval, sizeof (*val)); } break; default: ret = EINVAL; break; } if (ret != 0) return -UNW_EBADREG; return 0; } #else /* !HAVE_SYS_UC_ACCESS_H */ static int access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, void *arg) { unw_word_t *addr, mask; ucontext_t *uc = arg; if (reg >= UNW_IA64_NAT + 4 && reg <= UNW_IA64_NAT + 7) { mask = ((unw_word_t) 1) << (reg - UNW_IA64_NAT); if (write) { if (*val) uc->uc_mcontext.sc_nat |= mask; else uc->uc_mcontext.sc_nat &= ~mask; } else *val = (uc->uc_mcontext.sc_nat & mask) != 0; if (write) Debug (12, "%s <- %lx\n", unw_regname (reg), *val); else Debug (12, "%s -> %lx\n", unw_regname (reg), *val); return 0; } addr = tdep_uc_addr (uc, reg, NULL); if (!addr) goto badreg; if (write) { if (ia64_read_only_reg (addr)) { Debug (16, "attempt to write read-only register\n"); return -UNW_EREADONLYREG; } *addr = *val; Debug (12, "%s <- %lx\n", unw_regname (reg), *val); } else { *val = *(unw_word_t *) addr; Debug (12, "%s -> %lx\n", unw_regname (reg), *val); } return 0; badreg: Debug (1, "bad register number %u\n", reg); return -UNW_EBADREG; } static int access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, int write, void *arg) { ucontext_t *uc = arg; unw_fpreg_t *addr; if (reg < UNW_IA64_FR || reg >= UNW_IA64_FR + 128) goto badreg; addr = tdep_uc_addr (uc, reg, NULL); if (!addr) goto badreg; if (write) { if (ia64_read_only_reg (addr)) { Debug (16, "attempt to write read-only register\n"); return -UNW_EREADONLYREG; } *addr = *val; Debug (12, "%s <- %016lx.%016lx\n", unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); } else { *val = *(unw_fpreg_t *) addr; Debug (12, "%s -> %016lx.%016lx\n", unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); } return 0; badreg: Debug (1, "bad register number %u\n", reg); /* attempt to access a non-preserved register */ return -UNW_EBADREG; } #endif /* !HAVE_SYS_UC_ACCESS_H */ static int get_static_proc_name (unw_addr_space_t as, unw_word_t ip, char *buf, size_t buf_len, unw_word_t *offp, void *arg) { return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp); } HIDDEN void ia64_local_addr_space_init (void) { memset (&local_addr_space, 0, sizeof (local_addr_space)); local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN); #if defined(__linux) local_addr_space.abi = ABI_LINUX; #elif defined(__hpux) local_addr_space.abi = ABI_HPUX; #endif local_addr_space.caching_policy = UNWI_DEFAULT_CACHING_POLICY; local_addr_space.acc.find_proc_info = tdep_find_proc_info; local_addr_space.acc.put_unwind_info = put_unwind_info; local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; local_addr_space.acc.access_mem = access_mem; local_addr_space.acc.access_reg = access_reg; local_addr_space.acc.access_fpreg = access_fpreg; local_addr_space.acc.resume = ia64_local_resume; local_addr_space.acc.get_proc_name = get_static_proc_name; unw_flush_cache (&local_addr_space, 0, 0); } #endif /* !UNW_REMOTE_ONLY */ #ifndef UNW_LOCAL_ONLY HIDDEN int ia64_uc_access_reg (struct cursor *c, ia64_loc_t loc, unw_word_t *valp, int write) { #ifdef HAVE_SYS_UC_ACCESS_H unw_word_t uc_addr = IA64_GET_AUX_ADDR (loc); ucontext_t *ucp; int ret; Debug (16, "%s location %s\n", write ? "writing" : "reading", ia64_strloc (loc)); if (c->as == unw_local_addr_space) ucp = (ucontext_t *) uc_addr; else { unw_word_t *dst, src; /* Need to copy-in ucontext_t first. */ ucp = alloca (sizeof (ucontext_t)); if (!ucp) return -UNW_ENOMEM; /* For now, there is no non-HP-UX implementation of the uc_access(3) interface. Because of that, we cannot, e.g., unwind an HP-UX program from a Linux program. Should that become possible at some point in the future, the copy-in/copy-out needs to be adjusted to do byte-swapping if necessary. */ assert (c->as->big_endian == (__BYTE_ORDER == __BIG_ENDIAN)); dst = (unw_word_t *) ucp; for (src = uc_addr; src < uc_addr + sizeof (ucontext_t); src += 8) if ((ret = (*c->as->acc.access_mem) (c->as, src, dst++, 0, c->as_arg)) < 0) return ret; } if (IA64_IS_REG_LOC (loc)) ret = access_reg (unw_local_addr_space, IA64_GET_REG (loc), valp, write, ucp); else { /* Must be an access to the RSE backing store in ucontext_t. */ unw_word_t addr = IA64_GET_ADDR (loc); if (write) ret = __uc_set_rsebs (ucp, (uint64_t *) addr, 1, valp); else ret = __uc_get_rsebs (ucp, (uint64_t *) addr, 1, valp); if (ret != 0) ret = -UNW_EBADREG; } if (ret < 0) return ret; if (write && c->as != unw_local_addr_space) { /* need to copy-out ucontext_t: */ unw_word_t dst, *src = (unw_word_t *) ucp; for (dst = uc_addr; dst < uc_addr + sizeof (ucontext_t); dst += 8) if ((ret = (*c->as->acc.access_mem) (c->as, dst, src++, 1, c->as_arg)) < 0) return ret; } return 0; #else /* !HAVE_SYS_UC_ACCESS_H */ return -UNW_EINVAL; #endif /* !HAVE_SYS_UC_ACCESS_H */ } HIDDEN int ia64_uc_access_fpreg (struct cursor *c, ia64_loc_t loc, unw_fpreg_t *valp, int write) { #ifdef HAVE_SYS_UC_ACCESS_H unw_word_t uc_addr = IA64_GET_AUX_ADDR (loc); ucontext_t *ucp; int ret; if (c->as == unw_local_addr_space) ucp = (ucontext_t *) uc_addr; else { unw_word_t *dst, src; /* Need to copy-in ucontext_t first. */ ucp = alloca (sizeof (ucontext_t)); if (!ucp) return -UNW_ENOMEM; /* For now, there is no non-HP-UX implementation of the uc_access(3) interface. Because of that, we cannot, e.g., unwind an HP-UX program from a Linux program. Should that become possible at some point in the future, the copy-in/copy-out needs to be adjusted to do byte-swapping if necessary. */ assert (c->as->big_endian == (__BYTE_ORDER == __BIG_ENDIAN)); dst = (unw_word_t *) ucp; for (src = uc_addr; src < uc_addr + sizeof (ucontext_t); src += 8) if ((ret = (*c->as->acc.access_mem) (c->as, src, dst++, 0, c->as_arg)) < 0) return ret; } if ((ret = access_fpreg (unw_local_addr_space, IA64_GET_REG (loc), valp, write, ucp)) < 0) return ret; if (write && c->as != unw_local_addr_space) { /* need to copy-out ucontext_t: */ unw_word_t dst, *src = (unw_word_t *) ucp; for (dst = uc_addr; dst < uc_addr + sizeof (ucontext_t); dst += 8) if ((ret = (*c->as->acc.access_mem) (c->as, dst, src++, 1, c->as_arg)) < 0) return ret; } return 0; #else /* !HAVE_SYS_UC_ACCESS_H */ return -UNW_EINVAL; #endif /* !HAVE_SYS_UC_ACCESS_H */ } #endif /* UNW_LOCAL_ONLY */ libunwind-1.3.2/src/ia64/Gglobal.c0000644000175000017500000000732013406556425013512 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" HIDDEN struct ia64_global_unwind_state unw = { .lock = PTHREAD_MUTEX_INITIALIZER, .save_order = { IA64_REG_IP, IA64_REG_PFS, IA64_REG_PSP, IA64_REG_PR, IA64_REG_UNAT, IA64_REG_LC, IA64_REG_FPSR, IA64_REG_PRI_UNAT_GR }, #if UNW_DEBUG .preg_name = { "pri_unat_gr", "pri_unat_mem", "psp", "bsp", "bspstore", "ar.pfs", "ar.rnat", "rp", "r4", "r5", "r6", "r7", "nat4", "nat5", "nat6", "nat7", "ar.unat", "pr", "ar.lc", "ar.fpsr", "b1", "b2", "b3", "b4", "b5", "f2", "f3", "f4", "f5", "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31" } #endif }; HIDDEN void tdep_init (void) { const uint8_t f1_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; const uint8_t nat_val_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; const uint8_t int_val_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; intrmask_t saved_mask; uint8_t *lep, *bep; long i; sigfillset (&unwi_full_mask); lock_acquire (&unw.lock, saved_mask); { if (tdep_init_done) /* another thread else beat us to it... */ goto out; mi_init (); mempool_init (&unw.reg_state_pool, sizeof (struct ia64_reg_state), 0); mempool_init (&unw.labeled_state_pool, sizeof (struct ia64_labeled_state), 0); unw.read_only.r0 = 0; unw.read_only.f0.raw.bits[0] = 0; unw.read_only.f0.raw.bits[1] = 0; lep = (uint8_t *) &unw.read_only.f1_le + 16; bep = (uint8_t *) &unw.read_only.f1_be; for (i = 0; i < 16; ++i) { *--lep = f1_bytes[i]; *bep++ = f1_bytes[i]; } lep = (uint8_t *) &unw.nat_val_le + 16; bep = (uint8_t *) &unw.nat_val_be; for (i = 0; i < 16; ++i) { *--lep = nat_val_bytes[i]; *bep++ = nat_val_bytes[i]; } lep = (uint8_t *) &unw.int_val_le + 16; bep = (uint8_t *) &unw.int_val_be; for (i = 0; i < 16; ++i) { *--lep = int_val_bytes[i]; *bep++ = int_val_bytes[i]; } assert (8*sizeof(unw_hash_index_t) >= IA64_LOG_UNW_HASH_SIZE); #ifndef UNW_REMOTE_ONLY ia64_local_addr_space_init (); #endif tdep_init_done = 1; /* signal that we're initialized... */ } out: lock_release (&unw.lock, saved_mask); } libunwind-1.3.2/src/ia64/Gparser.c0000644000175000017500000007714413406556425013561 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* forward declaration: */ static int create_state_record_for (struct cursor *c, struct ia64_state_record *sr, unw_word_t ip); typedef unsigned long unw_word; #define alloc_reg_state() (mempool_alloc (&unw.reg_state_pool)) #define free_reg_state(rs) (mempool_free (&unw.reg_state_pool, rs)) #define alloc_labeled_state() (mempool_alloc (&unw.labeled_state_pool)) #define free_labeled_state(s) (mempool_free (&unw.labeled_state_pool, s)) /* Routines to manipulate the state stack. */ static inline void push (struct ia64_state_record *sr) { struct ia64_reg_state *rs; rs = alloc_reg_state (); if (!rs) { print_error ("libunwind: cannot stack reg state!\n"); return; } memcpy (rs, &sr->curr, sizeof (*rs)); sr->curr.next = rs; } static void pop (struct ia64_state_record *sr) { struct ia64_reg_state *rs = sr->curr.next; if (!rs) { print_error ("libunwind: stack underflow!\n"); return; } memcpy (&sr->curr, rs, sizeof (*rs)); free_reg_state (rs); } /* Make a copy of the state stack. Non-recursive to avoid stack overflows. */ static struct ia64_reg_state * dup_state_stack (struct ia64_reg_state *rs) { struct ia64_reg_state *copy, *prev = NULL, *first = NULL; while (rs) { copy = alloc_reg_state (); if (!copy) { print_error ("unwind.dup_state_stack: out of memory\n"); return NULL; } memcpy (copy, rs, sizeof (*copy)); if (first) prev->next = copy; else first = copy; rs = rs->next; prev = copy; } return first; } /* Free all stacked register states (but not RS itself). */ static void free_state_stack (struct ia64_reg_state *rs) { struct ia64_reg_state *p, *next; for (p = rs->next; p != NULL; p = next) { next = p->next; free_reg_state (p); } rs->next = NULL; } /* Unwind decoder routines */ static enum ia64_pregnum CONST_ATTR decode_abreg (unsigned char abreg, int memory) { switch (abreg) { case 0x04 ... 0x07: return IA64_REG_R4 + (abreg - 0x04); case 0x22 ... 0x25: return IA64_REG_F2 + (abreg - 0x22); case 0x30 ... 0x3f: return IA64_REG_F16 + (abreg - 0x30); case 0x41 ... 0x45: return IA64_REG_B1 + (abreg - 0x41); case 0x60: return IA64_REG_PR; case 0x61: return IA64_REG_PSP; case 0x62: return memory ? IA64_REG_PRI_UNAT_MEM : IA64_REG_PRI_UNAT_GR; case 0x63: return IA64_REG_IP; case 0x64: return IA64_REG_BSP; case 0x65: return IA64_REG_BSPSTORE; case 0x66: return IA64_REG_RNAT; case 0x67: return IA64_REG_UNAT; case 0x68: return IA64_REG_FPSR; case 0x69: return IA64_REG_PFS; case 0x6a: return IA64_REG_LC; default: break; } Dprintf ("libunwind: bad abreg=0x%x\n", abreg); return IA64_REG_LC; } static void set_reg (struct ia64_reg_info *reg, enum ia64_where where, int when, unsigned long val) { reg->val = val; reg->where = where; if (reg->when == IA64_WHEN_NEVER) reg->when = when; } static void alloc_spill_area (unsigned long *offp, unsigned long regsize, struct ia64_reg_info *lo, struct ia64_reg_info *hi) { struct ia64_reg_info *reg; for (reg = hi; reg >= lo; --reg) { if (reg->where == IA64_WHERE_SPILL_HOME) { reg->where = IA64_WHERE_PSPREL; *offp -= regsize; reg->val = *offp; } } } static inline void spill_next_when (struct ia64_reg_info **regp, struct ia64_reg_info *lim, unw_word t) { struct ia64_reg_info *reg; for (reg = *regp; reg <= lim; ++reg) { if (reg->where == IA64_WHERE_SPILL_HOME) { reg->when = t; *regp = reg + 1; return; } } Dprintf ("libunwind: excess spill!\n"); } static inline void finish_prologue (struct ia64_state_record *sr) { struct ia64_reg_info *reg; unsigned long off; int i; /* First, resolve implicit register save locations (see Section "11.4.2.3 Rules for Using Unwind Descriptors", rule 3). */ for (i = 0; i < (int) ARRAY_SIZE (unw.save_order); ++i) { reg = sr->curr.reg + unw.save_order[i]; if (reg->where == IA64_WHERE_GR_SAVE) { reg->where = IA64_WHERE_GR; reg->val = sr->gr_save_loc++; } } /* Next, compute when the fp, general, and branch registers get saved. This must come before alloc_spill_area() because we need to know which registers are spilled to their home locations. */ if (sr->imask) { unsigned char kind, mask = 0, *cp = sr->imask; unsigned long t; static const unsigned char limit[3] = { IA64_REG_F31, IA64_REG_R7, IA64_REG_B5 }; struct ia64_reg_info *(regs[3]); regs[0] = sr->curr.reg + IA64_REG_F2; regs[1] = sr->curr.reg + IA64_REG_R4; regs[2] = sr->curr.reg + IA64_REG_B1; for (t = 0; (int) t < sr->region_len; ++t) { if ((t & 3) == 0) mask = *cp++; kind = (mask >> 2 * (3 - (t & 3))) & 3; if (kind > 0) spill_next_when (®s[kind - 1], sr->curr.reg + limit[kind - 1], sr->region_start + t); } } /* Next, lay out the memory stack spill area. */ if (sr->any_spills) { off = sr->spill_offset; alloc_spill_area (&off, 16, sr->curr.reg + IA64_REG_F2, sr->curr.reg + IA64_REG_F31); alloc_spill_area (&off, 8, sr->curr.reg + IA64_REG_B1, sr->curr.reg + IA64_REG_B5); alloc_spill_area (&off, 8, sr->curr.reg + IA64_REG_R4, sr->curr.reg + IA64_REG_R7); } } /* Region header descriptors. */ static void desc_prologue (int body, unw_word rlen, unsigned char mask, unsigned char grsave, struct ia64_state_record *sr) { int i, region_start; if (!(sr->in_body || sr->first_region)) finish_prologue (sr); sr->first_region = 0; /* check if we're done: */ if (sr->when_target < sr->region_start + sr->region_len) { sr->done = 1; return; } region_start = sr->region_start + sr->region_len; for (i = 0; i < sr->epilogue_count; ++i) pop (sr); sr->epilogue_count = 0; sr->when_sp_restored = IA64_WHEN_NEVER; sr->region_start = region_start; sr->region_len = rlen; sr->in_body = body; if (!body) { push (sr); if (mask) for (i = 0; i < 4; ++i) { if (mask & 0x8) set_reg (sr->curr.reg + unw.save_order[i], IA64_WHERE_GR, sr->region_start + sr->region_len - 1, grsave++); mask <<= 1; } sr->gr_save_loc = grsave; sr->any_spills = 0; sr->imask = 0; sr->spill_offset = 0x10; /* default to psp+16 */ } } /* Prologue descriptors. */ static inline void desc_abi (unsigned char abi, unsigned char context, struct ia64_state_record *sr) { sr->abi_marker = (abi << 8) | context; } static inline void desc_br_gr (unsigned char brmask, unsigned char gr, struct ia64_state_record *sr) { int i; for (i = 0; i < 5; ++i) { if (brmask & 1) set_reg (sr->curr.reg + IA64_REG_B1 + i, IA64_WHERE_GR, sr->region_start + sr->region_len - 1, gr++); brmask >>= 1; } } static inline void desc_br_mem (unsigned char brmask, struct ia64_state_record *sr) { int i; for (i = 0; i < 5; ++i) { if (brmask & 1) { set_reg (sr->curr.reg + IA64_REG_B1 + i, IA64_WHERE_SPILL_HOME, sr->region_start + sr->region_len - 1, 0); sr->any_spills = 1; } brmask >>= 1; } } static inline void desc_frgr_mem (unsigned char grmask, unw_word frmask, struct ia64_state_record *sr) { int i; for (i = 0; i < 4; ++i) { if ((grmask & 1) != 0) { set_reg (sr->curr.reg + IA64_REG_R4 + i, IA64_WHERE_SPILL_HOME, sr->region_start + sr->region_len - 1, 0); sr->any_spills = 1; } grmask >>= 1; } for (i = 0; i < 20; ++i) { if ((frmask & 1) != 0) { int base = (i < 4) ? IA64_REG_F2 : IA64_REG_F16 - 4; set_reg (sr->curr.reg + base + i, IA64_WHERE_SPILL_HOME, sr->region_start + sr->region_len - 1, 0); sr->any_spills = 1; } frmask >>= 1; } } static inline void desc_fr_mem (unsigned char frmask, struct ia64_state_record *sr) { int i; for (i = 0; i < 4; ++i) { if ((frmask & 1) != 0) { set_reg (sr->curr.reg + IA64_REG_F2 + i, IA64_WHERE_SPILL_HOME, sr->region_start + sr->region_len - 1, 0); sr->any_spills = 1; } frmask >>= 1; } } static inline void desc_gr_gr (unsigned char grmask, unsigned char gr, struct ia64_state_record *sr) { int i; for (i = 0; i < 4; ++i) { if ((grmask & 1) != 0) set_reg (sr->curr.reg + IA64_REG_R4 + i, IA64_WHERE_GR, sr->region_start + sr->region_len - 1, gr++); grmask >>= 1; } } static inline void desc_gr_mem (unsigned char grmask, struct ia64_state_record *sr) { int i; for (i = 0; i < 4; ++i) { if ((grmask & 1) != 0) { set_reg (sr->curr.reg + IA64_REG_R4 + i, IA64_WHERE_SPILL_HOME, sr->region_start + sr->region_len - 1, 0); sr->any_spills = 1; } grmask >>= 1; } } static inline void desc_mem_stack_f (unw_word t, unw_word size, struct ia64_state_record *sr) { set_reg (sr->curr.reg + IA64_REG_PSP, IA64_WHERE_NONE, sr->region_start + MIN ((int) t, sr->region_len - 1), 16 * size); } static inline void desc_mem_stack_v (unw_word t, struct ia64_state_record *sr) { sr->curr.reg[IA64_REG_PSP].when = sr->region_start + MIN ((int) t, sr->region_len - 1); } static inline void desc_reg_gr (unsigned char reg, unsigned char dst, struct ia64_state_record *sr) { set_reg (sr->curr.reg + reg, IA64_WHERE_GR, sr->region_start + sr->region_len - 1, dst); } static inline void desc_reg_psprel (unsigned char reg, unw_word pspoff, struct ia64_state_record *sr) { set_reg (sr->curr.reg + reg, IA64_WHERE_PSPREL, sr->region_start + sr->region_len - 1, 0x10 - 4 * pspoff); } static inline void desc_reg_sprel (unsigned char reg, unw_word spoff, struct ia64_state_record *sr) { set_reg (sr->curr.reg + reg, IA64_WHERE_SPREL, sr->region_start + sr->region_len - 1, 4 * spoff); } static inline void desc_rp_br (unsigned char dst, struct ia64_state_record *sr) { sr->return_link_reg = dst; } static inline void desc_reg_when (unsigned char regnum, unw_word t, struct ia64_state_record *sr) { struct ia64_reg_info *reg = sr->curr.reg + regnum; if (reg->where == IA64_WHERE_NONE) reg->where = IA64_WHERE_GR_SAVE; reg->when = sr->region_start + MIN ((int) t, sr->region_len - 1); } static inline void desc_spill_base (unw_word pspoff, struct ia64_state_record *sr) { sr->spill_offset = 0x10 - 4 * pspoff; } static inline unsigned char * desc_spill_mask (unsigned char *imaskp, struct ia64_state_record *sr) { sr->imask = imaskp; return imaskp + (2 * sr->region_len + 7) / 8; } /* Body descriptors. */ static inline void desc_epilogue (unw_word t, unw_word ecount, struct ia64_state_record *sr) { sr->when_sp_restored = sr->region_start + sr->region_len - 1 - t; sr->epilogue_count = ecount + 1; } static inline void desc_copy_state (unw_word label, struct ia64_state_record *sr) { struct ia64_labeled_state *ls; for (ls = sr->labeled_states; ls; ls = ls->next) { if (ls->label == label) { free_state_stack (&sr->curr); memcpy (&sr->curr, &ls->saved_state, sizeof (sr->curr)); sr->curr.next = dup_state_stack (ls->saved_state.next); return; } } print_error ("libunwind: failed to find labeled state\n"); } static inline void desc_label_state (unw_word label, struct ia64_state_record *sr) { struct ia64_labeled_state *ls; ls = alloc_labeled_state (); if (!ls) { print_error ("unwind.desc_label_state(): out of memory\n"); return; } ls->label = label; memcpy (&ls->saved_state, &sr->curr, sizeof (ls->saved_state)); ls->saved_state.next = dup_state_stack (sr->curr.next); /* insert into list of labeled states: */ ls->next = sr->labeled_states; sr->labeled_states = ls; } /* General descriptors. */ static inline int desc_is_active (unsigned char qp, unw_word t, struct ia64_state_record *sr) { if (sr->when_target <= sr->region_start + MIN ((int) t, sr->region_len - 1)) return 0; if (qp > 0) { if ((sr->pr_val & ((unw_word_t) 1 << qp)) == 0) return 0; sr->pr_mask |= ((unw_word_t) 1 << qp); } return 1; } static inline void desc_restore_p (unsigned char qp, unw_word t, unsigned char abreg, struct ia64_state_record *sr) { struct ia64_reg_info *r; if (!desc_is_active (qp, t, sr)) return; r = sr->curr.reg + decode_abreg (abreg, 0); r->where = IA64_WHERE_NONE; r->when = IA64_WHEN_NEVER; r->val = 0; } static inline void desc_spill_reg_p (unsigned char qp, unw_word t, unsigned char abreg, unsigned char x, unsigned char ytreg, struct ia64_state_record *sr) { enum ia64_where where = IA64_WHERE_GR; struct ia64_reg_info *r; if (!desc_is_active (qp, t, sr)) return; if (x) where = IA64_WHERE_BR; else if (ytreg & 0x80) where = IA64_WHERE_FR; r = sr->curr.reg + decode_abreg (abreg, 0); r->where = where; r->when = sr->region_start + MIN ((int) t, sr->region_len - 1); r->val = (ytreg & 0x7f); } static inline void desc_spill_psprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word pspoff, struct ia64_state_record *sr) { struct ia64_reg_info *r; if (!desc_is_active (qp, t, sr)) return; r = sr->curr.reg + decode_abreg (abreg, 1); r->where = IA64_WHERE_PSPREL; r->when = sr->region_start + MIN ((int) t, sr->region_len - 1); r->val = 0x10 - 4 * pspoff; } static inline void desc_spill_sprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word spoff, struct ia64_state_record *sr) { struct ia64_reg_info *r; if (!desc_is_active (qp, t, sr)) return; r = sr->curr.reg + decode_abreg (abreg, 1); r->where = IA64_WHERE_SPREL; r->when = sr->region_start + MIN ((int) t, sr->region_len - 1); r->val = 4 * spoff; } #define UNW_DEC_BAD_CODE(code) \ print_error ("libunwind: unknown code encountered\n") /* Register names. */ #define UNW_REG_BSP IA64_REG_BSP #define UNW_REG_BSPSTORE IA64_REG_BSPSTORE #define UNW_REG_FPSR IA64_REG_FPSR #define UNW_REG_LC IA64_REG_LC #define UNW_REG_PFS IA64_REG_PFS #define UNW_REG_PR IA64_REG_PR #define UNW_REG_RNAT IA64_REG_RNAT #define UNW_REG_PSP IA64_REG_PSP #define UNW_REG_RP IA64_REG_IP #define UNW_REG_UNAT IA64_REG_UNAT /* Region headers. */ #define UNW_DEC_PROLOGUE_GR(fmt,r,m,gr,arg) desc_prologue(0,r,m,gr,arg) #define UNW_DEC_PROLOGUE(fmt,b,r,arg) desc_prologue(b,r,0,32,arg) /* Prologue descriptors. */ #define UNW_DEC_ABI(fmt,a,c,arg) desc_abi(a,c,arg) #define UNW_DEC_BR_GR(fmt,b,g,arg) desc_br_gr(b,g,arg) #define UNW_DEC_BR_MEM(fmt,b,arg) desc_br_mem(b,arg) #define UNW_DEC_FRGR_MEM(fmt,g,f,arg) desc_frgr_mem(g,f,arg) #define UNW_DEC_FR_MEM(fmt,f,arg) desc_fr_mem(f,arg) #define UNW_DEC_GR_GR(fmt,m,g,arg) desc_gr_gr(m,g,arg) #define UNW_DEC_GR_MEM(fmt,m,arg) desc_gr_mem(m,arg) #define UNW_DEC_MEM_STACK_F(fmt,t,s,arg) desc_mem_stack_f(t,s,arg) #define UNW_DEC_MEM_STACK_V(fmt,t,arg) desc_mem_stack_v(t,arg) #define UNW_DEC_REG_GR(fmt,r,d,arg) desc_reg_gr(r,d,arg) #define UNW_DEC_REG_PSPREL(fmt,r,o,arg) desc_reg_psprel(r,o,arg) #define UNW_DEC_REG_SPREL(fmt,r,o,arg) desc_reg_sprel(r,o,arg) #define UNW_DEC_REG_WHEN(fmt,r,t,arg) desc_reg_when(r,t,arg) #define UNW_DEC_PRIUNAT_WHEN_GR(fmt,t,arg) \ desc_reg_when(IA64_REG_PRI_UNAT_GR,t,arg) #define UNW_DEC_PRIUNAT_WHEN_MEM(fmt,t,arg) \ desc_reg_when(IA64_REG_PRI_UNAT_MEM,t,arg) #define UNW_DEC_PRIUNAT_GR(fmt,r,arg) \ desc_reg_gr(IA64_REG_PRI_UNAT_GR,r,arg) #define UNW_DEC_PRIUNAT_PSPREL(fmt,o,arg) \ desc_reg_psprel(IA64_REG_PRI_UNAT_MEM,o,arg) #define UNW_DEC_PRIUNAT_SPREL(fmt,o,arg) \ desc_reg_sprel(IA64_REG_PRI_UNAT_MEM,o,arg) #define UNW_DEC_RP_BR(fmt,d,arg) desc_rp_br(d,arg) #define UNW_DEC_SPILL_BASE(fmt,o,arg) desc_spill_base(o,arg) #define UNW_DEC_SPILL_MASK(fmt,m,arg) (m = desc_spill_mask(m,arg)) /* Body descriptors. */ #define UNW_DEC_EPILOGUE(fmt,t,c,arg) desc_epilogue(t,c,arg) #define UNW_DEC_COPY_STATE(fmt,l,arg) desc_copy_state(l,arg) #define UNW_DEC_LABEL_STATE(fmt,l,arg) desc_label_state(l,arg) /* General unwind descriptors. */ #define UNW_DEC_SPILL_REG_P(f,p,t,a,x,y,arg) desc_spill_reg_p(p,t,a,x,y,arg) #define UNW_DEC_SPILL_REG(f,t,a,x,y,arg) desc_spill_reg_p(0,t,a,x,y,arg) #define UNW_DEC_SPILL_PSPREL_P(f,p,t,a,o,arg) \ desc_spill_psprel_p(p,t,a,o,arg) #define UNW_DEC_SPILL_PSPREL(f,t,a,o,arg) \ desc_spill_psprel_p(0,t,a,o,arg) #define UNW_DEC_SPILL_SPREL_P(f,p,t,a,o,arg) desc_spill_sprel_p(p,t,a,o,arg) #define UNW_DEC_SPILL_SPREL(f,t,a,o,arg) desc_spill_sprel_p(0,t,a,o,arg) #define UNW_DEC_RESTORE_P(f,p,t,a,arg) desc_restore_p(p,t,a,arg) #define UNW_DEC_RESTORE(f,t,a,arg) desc_restore_p(0,t,a,arg) #include "unwind_decoder.h" #ifdef _U_dyn_op /* parse dynamic unwind info */ static struct ia64_reg_info * lookup_preg (int regnum, int memory, struct ia64_state_record *sr) { int preg; switch (regnum) { case UNW_IA64_AR_BSP: preg = IA64_REG_BSP; break; case UNW_IA64_AR_BSPSTORE: preg = IA64_REG_BSPSTORE; break; case UNW_IA64_AR_FPSR: preg = IA64_REG_FPSR; break; case UNW_IA64_AR_LC: preg = IA64_REG_LC; break; case UNW_IA64_AR_PFS: preg = IA64_REG_PFS; break; case UNW_IA64_AR_RNAT: preg = IA64_REG_RNAT; break; case UNW_IA64_AR_UNAT: preg = IA64_REG_UNAT; break; case UNW_IA64_BR + 0: preg = IA64_REG_IP; break; case UNW_IA64_PR: preg = IA64_REG_PR; break; case UNW_IA64_SP: preg = IA64_REG_PSP; break; case UNW_IA64_NAT: if (memory) preg = IA64_REG_PRI_UNAT_MEM; else preg = IA64_REG_PRI_UNAT_GR; break; case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7: preg = IA64_REG_R4 + (regnum - (UNW_IA64_GR + 4)); break; case UNW_IA64_BR + 1 ... UNW_IA64_BR + 5: preg = IA64_REG_B1 + (regnum - UNW_IA64_BR); break; case UNW_IA64_FR + 2 ... UNW_IA64_FR + 5: preg = IA64_REG_F2 + (regnum - (UNW_IA64_FR + 2)); break; case UNW_IA64_FR + 16 ... UNW_IA64_FR + 31: preg = IA64_REG_F16 + (regnum - (UNW_IA64_FR + 16)); break; default: Dprintf ("%s: invalid register number %d\n", __FUNCTION__, regnum); return NULL; } return sr->curr.reg + preg; } /* An alias directive inside a region of length RLEN is interpreted to mean that the region behaves exactly like the first RLEN instructions at the aliased IP. RLEN=0 implies that the current state matches exactly that of before the instruction at the aliased IP is executed. */ static int desc_alias (unw_dyn_op_t *op, struct cursor *c, struct ia64_state_record *sr) { struct ia64_state_record orig_sr = *sr; int i, ret, when, rlen = sr->region_len; unw_word_t new_ip; when = MIN (sr->when_target, rlen); new_ip = op->val + ((when / 3) * 16 + (when % 3)); if ((ret = ia64_fetch_proc_info (c, new_ip, 1)) < 0) return ret; if ((ret = create_state_record_for (c, sr, new_ip)) < 0) return ret; sr->first_region = orig_sr.first_region; sr->done = 0; sr->any_spills |= orig_sr.any_spills; sr->in_body = orig_sr.in_body; sr->region_start = orig_sr.region_start; sr->region_len = orig_sr.region_len; if (sr->when_sp_restored != IA64_WHEN_NEVER) sr->when_sp_restored = op->when + MIN (orig_sr.when_sp_restored, rlen); sr->epilogue_count = orig_sr.epilogue_count; sr->when_target = orig_sr.when_target; for (i = 0; i < IA64_NUM_PREGS; ++i) if (sr->curr.reg[i].when != IA64_WHEN_NEVER) sr->curr.reg[i].when = op->when + MIN (sr->curr.reg[i].when, rlen); ia64_free_state_record (sr); sr->labeled_states = orig_sr.labeled_states; sr->curr.next = orig_sr.curr.next; return 0; } static inline int parse_dynamic (struct cursor *c, struct ia64_state_record *sr) { unw_dyn_info_t *di = c->pi.unwind_info; unw_dyn_proc_info_t *proc = &di->u.pi; unw_dyn_region_info_t *r; struct ia64_reg_info *ri; enum ia64_where where; int32_t when, len; unw_dyn_op_t *op; unw_word_t val; int memory, ret; int8_t qp; for (r = proc->regions; r; r = r->next) { len = r->insn_count; if (len < 0) { if (r->next) { Debug (1, "negative region length allowed in last region only!"); return -UNW_EINVAL; } len = -len; /* hack old region info to set the start where we need it: */ sr->region_start = (di->end_ip - di->start_ip) / 0x10 * 3 - len; sr->region_len = 0; } /* all regions are treated as prologue regions: */ desc_prologue (0, len, 0, 0, sr); if (sr->done) return 0; for (op = r->op; op < r->op + r->op_count; ++op) { when = op->when; val = op->val; qp = op->qp; if (!desc_is_active (qp, when, sr)) continue; when = sr->region_start + MIN ((int) when, sr->region_len - 1); switch (op->tag) { case UNW_DYN_SAVE_REG: memory = 0; if ((unsigned) (val - UNW_IA64_GR) < 128) where = IA64_WHERE_GR; else if ((unsigned) (val - UNW_IA64_FR) < 128) where = IA64_WHERE_FR; else if ((unsigned) (val - UNW_IA64_BR) < 8) where = IA64_WHERE_BR; else { Dprintf ("%s: can't save to register number %d\n", __FUNCTION__, (int) op->reg); return -UNW_EBADREG; } /* fall through */ update_reg_info: ri = lookup_preg (op->reg, memory, sr); if (!ri) return -UNW_EBADREG; ri->where = where; ri->when = when; ri->val = val; break; case UNW_DYN_SPILL_FP_REL: memory = 1; where = IA64_WHERE_PSPREL; val = 0x10 - val; goto update_reg_info; case UNW_DYN_SPILL_SP_REL: memory = 1; where = IA64_WHERE_SPREL; goto update_reg_info; case UNW_DYN_ADD: if (op->reg == UNW_IA64_SP) { if (val & 0xf) { Dprintf ("%s: frame-size %ld not an integer " "multiple of 16\n", __FUNCTION__, (long) op->val); return -UNW_EINVAL; } desc_mem_stack_f (when, -((int64_t) val / 16), sr); } else { Dprintf ("%s: can only ADD to stack-pointer\n", __FUNCTION__); return -UNW_EBADREG; } break; case UNW_DYN_POP_FRAMES: sr->when_sp_restored = when; sr->epilogue_count = op->val; break; case UNW_DYN_LABEL_STATE: desc_label_state (op->val, sr); break; case UNW_DYN_COPY_STATE: desc_copy_state (op->val, sr); break; case UNW_DYN_ALIAS: if ((ret = desc_alias (op, c, sr)) < 0) return ret; case UNW_DYN_STOP: goto end_of_ops; } } end_of_ops: ; } return 0; } #else # define parse_dynamic(c,sr) (-UNW_EINVAL) #endif /* _U_dyn_op */ HIDDEN int ia64_fetch_proc_info (struct cursor *c, unw_word_t ip, int need_unwind_info) { int ret, dynamic = 1; if (c->pi_valid && !need_unwind_info) return 0; /* check dynamic info first --- it overrides everything else */ ret = unwi_find_dynamic_proc_info (c->as, ip, &c->pi, need_unwind_info, c->as_arg); if (ret == -UNW_ENOINFO) { dynamic = 0; ret = ia64_find_proc_info (c, ip, need_unwind_info); } c->pi_valid = 1; c->pi_is_dynamic = dynamic; return ret; } static inline void put_unwind_info (struct cursor *c, unw_proc_info_t *pi) { if (!c->pi_valid) return; if (c->pi_is_dynamic) unwi_put_dynamic_unwind_info (c->as, pi, c->as_arg); else ia64_put_unwind_info (c, pi); } static int create_state_record_for (struct cursor *c, struct ia64_state_record *sr, unw_word_t ip) { unw_word_t predicates = c->pr; struct ia64_reg_info *r; uint8_t *dp, *desc_end; int ret; assert (c->pi_valid); /* build state record */ memset (sr, 0, sizeof (*sr)); for (r = sr->curr.reg; r < sr->curr.reg + IA64_NUM_PREGS; ++r) r->when = IA64_WHEN_NEVER; sr->pr_val = predicates; sr->first_region = 1; if (!c->pi.unwind_info) { /* No info, return default unwinder (leaf proc, no mem stack, no saved regs), rp in b0, pfs in ar.pfs. */ Debug (1, "no unwind info for ip=0x%lx (gp=%lx)\n", (long) ip, (long) c->pi.gp); sr->curr.reg[IA64_REG_IP].where = IA64_WHERE_BR; sr->curr.reg[IA64_REG_IP].when = -1; sr->curr.reg[IA64_REG_IP].val = 0; goto out; } sr->when_target = (3 * ((ip & ~(unw_word_t) 0xf) - c->pi.start_ip) / 16 + (ip & 0xf)); switch (c->pi.format) { case UNW_INFO_FORMAT_TABLE: case UNW_INFO_FORMAT_REMOTE_TABLE: dp = c->pi.unwind_info; desc_end = dp + c->pi.unwind_info_size; while (!sr->done && dp < desc_end) dp = unw_decode (dp, sr->in_body, sr); ret = 0; break; case UNW_INFO_FORMAT_DYNAMIC: ret = parse_dynamic (c, sr); break; default: ret = -UNW_EINVAL; } put_unwind_info (c, &c->pi); if (ret < 0) return ret; if (sr->when_target > sr->when_sp_restored) { /* sp has been restored and all values on the memory stack below psp also have been restored. */ sr->curr.reg[IA64_REG_PSP].val = 0; sr->curr.reg[IA64_REG_PSP].where = IA64_WHERE_NONE; sr->curr.reg[IA64_REG_PSP].when = IA64_WHEN_NEVER; for (r = sr->curr.reg; r < sr->curr.reg + IA64_NUM_PREGS; ++r) if ((r->where == IA64_WHERE_PSPREL && r->val <= 0x10) || r->where == IA64_WHERE_SPREL) { r->val = 0; r->where = IA64_WHERE_NONE; r->when = IA64_WHEN_NEVER; } } /* If RP did't get saved, generate entry for the return link register. */ if (sr->curr.reg[IA64_REG_IP].when >= sr->when_target) { sr->curr.reg[IA64_REG_IP].where = IA64_WHERE_BR; sr->curr.reg[IA64_REG_IP].when = -1; sr->curr.reg[IA64_REG_IP].val = sr->return_link_reg; } if (sr->when_target > sr->curr.reg[IA64_REG_BSP].when && sr->when_target > sr->curr.reg[IA64_REG_BSPSTORE].when && sr->when_target > sr->curr.reg[IA64_REG_RNAT].when) { Debug (8, "func 0x%lx may switch the register-backing-store\n", c->pi.start_ip); c->pi.flags |= UNW_PI_FLAG_IA64_RBS_SWITCH; } out: #if UNW_DEBUG if (unwi_debug_level > 2) { Dprintf ("%s: state record for func 0x%lx, t=%u (flags=0x%lx):\n", __FUNCTION__, (long) c->pi.start_ip, sr->when_target, (long) c->pi.flags); for (r = sr->curr.reg; r < sr->curr.reg + IA64_NUM_PREGS; ++r) { if (r->where != IA64_WHERE_NONE || r->when != IA64_WHEN_NEVER) { Dprintf (" %s <- ", unw.preg_name[r - sr->curr.reg]); switch (r->where) { case IA64_WHERE_GR: Dprintf ("r%lu", (long) r->val); break; case IA64_WHERE_FR: Dprintf ("f%lu", (long) r->val); break; case IA64_WHERE_BR: Dprintf ("b%lu", (long) r->val); break; case IA64_WHERE_SPREL: Dprintf ("[sp+0x%lx]", (long) r->val); break; case IA64_WHERE_PSPREL: Dprintf ("[psp+0x%lx]", (long) r->val); break; case IA64_WHERE_NONE: Dprintf ("%s+0x%lx", unw.preg_name[r - sr->curr.reg], (long) r->val); break; default: Dprintf ("BADWHERE(%d)", r->where); break; } Dprintf ("\t\t%d\n", r->when); } } } #endif return 0; } /* The proc-info must be valid for IP before this routine can be called. */ HIDDEN int ia64_create_state_record (struct cursor *c, struct ia64_state_record *sr) { return create_state_record_for (c, sr, c->ip); } HIDDEN int ia64_free_state_record (struct ia64_state_record *sr) { struct ia64_labeled_state *ls, *next; /* free labeled register states & stack: */ for (ls = sr->labeled_states; ls; ls = next) { next = ls->next; free_state_stack (&ls->saved_state); free_labeled_state (ls); } free_state_stack (&sr->curr); return 0; } HIDDEN int ia64_make_proc_info (struct cursor *c) { int ret, caching = c->as->caching_policy != UNW_CACHE_NONE; if (!caching || ia64_get_cached_proc_info (c) < 0) { /* Lookup it up the slow way... */ if ((ret = ia64_fetch_proc_info (c, c->ip, 0)) < 0) return ret; if (caching) ia64_cache_proc_info (c); } return 0; } libunwind-1.3.2/src/ia64/Lstep.c0000644000175000017500000000020113406556425013221 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gstep.c" #endif libunwind-1.3.2/src/ia64/sigsetjmp.S0000644000175000017500000000406313406556425014131 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "jmpbuf.h" #define SIG_BLOCK 0 .align 32 .global __sigsetjmp .global sigprocmask .proc __sigsetjmp __sigsetjmp: .prologue .save ar.pfs, r35 alloc loc1 = ar.pfs, 2, 3, 3, 0 add out2 = JB_MASK*8, in0 .save rp, loc0 mov loc0 = rp mov out0 = SIG_BLOCK .body ;; cmp.ne p6, p0 = in1, r0 mov out1 = r0 mov loc2 = ar.bsp (p6) br.call.sptk.many rp = sigprocmask // sigjmp_buf[JB_MASK] = sigmask ;; add r16 = JB_MASK_SAVED*8, in0 st8 [in0] = sp, (JB_RP-JB_SP)*8 // sigjmp_buf[JB_SP] = sp mov r8 = 0 ;; st8 [in0] = loc0, (JB_BSP-JB_RP)*8 // sigjmp_buf[JB_RP] = rp st8 [r16] = in1 // sigjmp_buf[JB_MASK_SAVED] = savemask mov rp = loc0 ;; st8 [in0] = loc2 // sigjmp_buf[JB_BSP] = bsp mov.i ar.pfs = loc1 br.ret.sptk.many rp .endp __sigsetjmp #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Linstall_cursor.S0000644000175000017500000000023413406556425015277 00000000000000#define UNW_LOCAL_ONLY #include "Ginstall_cursor.S" #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/siglongjmp.S0000644000175000017500000000415213406556425014274 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define SIG_SETMASK 2 .global _UI_siglongjmp_cont .global sigprocmask .align 32 .proc siglongjmp_continuation siglongjmp_continuation: _UI_siglongjmp_cont: // non-function label for siglongjmp.c .prologue .save rp, r15 .body nop 0 nop 0 br.call.sptk.many b6 = .next ;; .prologue .save ar.pfs, r33 .next: alloc loc1 = ar.pfs, 0, 3, 3, 0 /* * Note: we can use the scratch stack are because the caller * of sigsetjmp() by definition is not a leaf-procedure. */ st8 [sp] = r17 // store signal mask .save rp, loc0 mov loc0 = r15 // final continuation point ;; .body mov loc2 = r16 // value to return in r8 mov out0 = SIG_SETMASK mov out1 = sp mov out2 = r0 br.call.sptk.many rp = sigprocmask ;; mov rp = loc0 mov ar.pfs = loc1 mov r8 = loc2 br.ret.sptk.many rp .endp siglongjmp_continuation #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Ginstall_cursor.S0000644000175000017500000002266413406556425015305 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ucontext_i.h" #ifdef UNW_LOCAL_ONLY # include "Lcursor_i.h" # define ia64_install_cursor _ULia64_install_cursor #else # include "Gcursor_i.h" # define ia64_install_cursor _Uia64_install_cursor #endif #define SYS_sigreturn 1181 #ifndef UNW_REMOTE_ONLY /* ia64_install_cursor (const cursor *c, long pri_unat, long *extra, long bspstore, long dirty_size, long *dirty_partition, long dirty_rnat) Restores the machine-state represented by C and thereby resumes execution in that frame. If the frame or one of its descendants was interrupted by a signal, all registers are restored (including the signal mask). Otherwise, only the preserved registers, the global-pointer (r1), and the exception-arguments (r15-r18) are restored. */ #define pRet p6 #define pSig p7 .align 32 .hidden ia64_install_cursor .global ia64_install_cursor .proc ia64_install_cursor ia64_install_cursor: alloc r3 = ar.pfs, 7, 0, 0, 0 invala add r2 = FR_LOC_OFF, in0 ;; ld8 r16 = [r2], LOC_SIZE // r16 = loc[IA64_REG_FR16] mov.m r10 = ar.rsc // (ar.rsc: ~ 12 cycle latency) add r3 = FR_LOC_OFF + 16, in0 ;; ld8 r17 = [r2], 2*LOC_SIZE // r17 = loc[IA64_REG_FR17] ld8 r18 = [r3], 2*LOC_SIZE // r18 = loc[IA64_REG_FR18] and r16 = -4, r16 ;; ld8 r19 = [r2], 2*LOC_SIZE // r19 = loc[IA64_REG_FR19] ld8 r20 = [r3], 2*LOC_SIZE // r20 = loc[IA64_REG_FR20] and r17 = -4, r17 ;; ldf.fill f16 = [r16] // f16 restored (don't touch no more) ldf.fill f17 = [r17] // f17 restored (don't touch no more) and r18 = -4, r18 ld8 r21 = [r2], 2*LOC_SIZE // r21 = loc[IA64_REG_FR21] ld8 r22 = [r3], 2*LOC_SIZE // r22 = loc[IA64_REG_FR22] and r19 = -4, r19 ;; ldf.fill f18 = [r18] // f18 restored (don't touch no more) ldf.fill f19 = [r19] // f19 restored (don't touch no more) and r20 = -4, r20 ld8 r23 = [r2], 2*LOC_SIZE // r23 = loc[IA64_REG_FR23] ld8 r24 = [r3], 2*LOC_SIZE // r24 = loc[IA64_REG_FR24] and r21 = -4, r21 ;; ldf.fill f20 = [r20] // f20 restored (don't touch no more) ldf.fill f21 = [r21] // f21 restored (don't touch no more) and r22 = -4, r22 ld8 r25 = [r2], 2*LOC_SIZE // r25 = loc[IA64_REG_FR25] ld8 r26 = [r3], 2*LOC_SIZE // r26 = loc[IA64_REG_FR26] and r23 = -4, r23 ;; ldf.fill f22 = [r22] // f22 restored (don't touch no more) ldf.fill f23 = [r23] // f23 restored (don't touch no more) and r24 = -4, r24 ld8 r27 = [r2], 2*LOC_SIZE // r27 = loc[IA64_REG_FR27] ld8 r28 = [r3], 2*LOC_SIZE // r28 = loc[IA64_REG_FR28] and r25 = -4, r25 ;; ldf.fill f24 = [r24] // f24 restored (don't touch no more) ldf.fill f25 = [r25] // f25 restored (don't touch no more) and r26 = -4, r26 ld8 r29 = [r2], 2*LOC_SIZE // r29 = loc[IA64_REG_FR29] ld8 r30 = [r3], 2*LOC_SIZE // r30 = loc[IA64_REG_FR30] and r27 = -4, r27 ;; ldf.fill f26 = [r26] // f26 restored (don't touch no more) ldf.fill f27 = [r27] // f27 restored (don't touch no more) and r28 = -4, r28 ld8 r31 = [r2] // r31 = loc[IA64_REG_FR31] mov.m ar.unat = in1 and r29 = -4, r29 ;; ldf.fill f28 = [r28] // f28 restored (don't touch no more) ldf.fill f29 = [r29] // f29 restored (don't touch no more) and r30 = -4, r30 ld8 r1 = [in2], 8 // gp restored (don't touch no more) add r8 = SIGCONTEXT_ADDR_OFF, in0 and r31 = -4, r31 ;; ld8 r8 = [r8] // r8 = sigcontext_addr and r11 = 0x1c, r10 // clear all but rsc.be and rsc.pl add r2 = PFS_LOC_OFF, in0 ldf.fill f30 = [r30] // f30 restored (don't touch no more) ldf.fill f31 = [r31] // f31 restored (don't touch no more) add r3 = 8, in2 ;; ld8.fill r4 = [in2], 16 // r4 restored (don't touch no more) ld8.fill r5 = [r3], 16 // r5 restored (don't touch no more) cmp.eq pRet, pSig = r0, r8 // sigcontext_addr == NULL? ;; ld8.fill r6 = [in2], 16 // r6 restored (don't touch no more) ld8.fill r7 = [r3] // r7 restored (don't touch no more) add r3 = IP_OFF, in0 ;; ld8 r14 = [r2], (B1_LOC_OFF - PFS_LOC_OFF) // r14 = pfs_loc ld8 r15 = [r3] // r15 = ip add r3 = (B2_LOC_OFF - IP_OFF), r3 ;; ld8 r16 = [r2], (B3_LOC_OFF - B1_LOC_OFF) // r16 = b1_loc ld8 r17= [r3], (B4_LOC_OFF - B2_LOC_OFF) // r17 = b2_loc and r14 = -4, r14 ;; ld8 r18 = [r2], (B5_LOC_OFF - B3_LOC_OFF) // r18 = b3_loc ld8 r19 = [r3], (F2_LOC_OFF - B4_LOC_OFF) // r19 = b4_loc and r16 = -4, r16 ;; ld8 r20 = [r2], (F3_LOC_OFF - B5_LOC_OFF) // r20 = b5_loc ld8 r21 = [r3], (F4_LOC_OFF - F2_LOC_OFF) // r21 = f2_loc and r17 = -4, r17 ;; ld8 r16 = [r16] // r16 = *b1_loc ld8 r17 = [r17] // r17 = *b2_loc and r18 = -4, r18 ld8 r22 = [r2], (F5_LOC_OFF - F3_LOC_OFF) // r21 = f3_loc ld8 r23 = [r3], (UNAT_LOC_OFF - F4_LOC_OFF) // r22 = f4_loc and r19 = -4, r19 ;; ld8 r18 = [r18] // r18 = *b3_loc ld8 r19 = [r19] // r19 = *b4_loc and r20 = -4, r20 ld8 r24 = [r2], (LC_LOC_OFF - F5_LOC_OFF) // r24 = f5_loc ld8 r25 = [r3], (FPSR_LOC_OFF - UNAT_LOC_OFF) // r25 = unat_loc and r21 = -4, r21 ;; and r22 = -4, r22 and r23 = -4, r23 and r24 = -4, r24 ld8 r20 = [r20] // r20 = *b5_loc ldf.fill f2 = [r21] // f2 restored (don't touch no more) mov b1 = r16 // b1 restored (don't touch no more) ;; ldf.fill f3 = [r22] // f3 restored (don't touch no more) ldf.fill f4 = [r23] // f4 restored (don't touch no more) mov b2 = r17 // b2 restored (don't touch no more) ld8 r26 = [r2], (RNAT_LOC_OFF - LC_LOC_OFF) // r26 = lc_loc ld8 r27 = [r3] // r27 = fpsr_loc and r25 = -4, r25 add r3 = (PSP_OFF - FPSR_LOC_OFF), r3 nop 0 nop 0 ;; ldf.fill f5 = [r24] // f5 restored (don't touch no more) (pRet) ld8 r25 = [r25] // r25 = *unat_loc mov b3 = r18 // b3 restored (don't touch no more) ld8 r28 = [r2], (BSP_OFF - RNAT_LOC_OFF) // r28 = rnat_loc ld8 r29 = [r3], (PR_OFF - PSP_OFF) // r29 = sp mov b4 = r19 // b4 restored (don't touch no more) and r26 = -4, r26 and r27 = -4, r27 mov b5 = r20 // b5 restored (don't touch no more) ;; ld8 r26 = [r26] // r26 = *lc_loc ld8 r27 = [r27] // r27 = *fpsr_loc and r28 = -4, r28 mov r30 = in3 // make backup-copy of new bsp ld8 r31 = [r3] // r31 = pr mov rp = r15 ;; ld8 r28 = [r28] // r28 = rnat mov.m ar.rsc = r11 // put RSE into enforced lazy mode mov.i ar.lc = r26 // lc restored (don't touch no more) ;; loadrs // drop dirty partition mov r9 = in2 // make backup-copy of &extra[r16] cmp.eq p8, p0 = in4, r0 // dirty-size == 0? (p8) br.cond.dpnt.many .skip_load_dirty mov r2 = in4 // make backup-copy of dirty_size mov r15 = in5 // make backup-copy of dirty_partition mov r16 = in6 // make backup-copy of dirty_rnat ;; alloc r3 = ar.pfs, 0, 0, 0, 0 // drop register frame dep r11 = r2, r11, 16, 16 ;; mov.m ar.bspstore = r15 ;; mov.m ar.rnat = r16 mov.m ar.rsc = r11 // 14 cycles latency to loadrs ;; loadrs // loadup new dirty partition ;; .skip_load_dirty: mov.m ar.bspstore = r30 // restore register backing-store add r3 = 8, r9 // r3 = &extra[r16] ;; (pRet) mov.m ar.fpsr = r27 // fpsr restored (don't touch no more) mov.m ar.rnat = r28 (pSig) br.cond.dpnt.many .next /****** Return via br.ret: */ ld8 r14 = [r14] // r14 = *pfs_loc ld8 r15 = [r9], 16 // r15 restored (don't touch no more) mov pr = r31, -1 // pr restored (don't touch no more) ;; ld8 r16 = [r3], 16 // r16 restored (don't touch no more) ld8 r17 = [r9] // r17 restored (don't touch no more) nop.i 0 ;; ld8 r18 = [r3] // r18 restored (don't touch no more) mov.m ar.rsc = r10 // restore original ar.rsc mov sp = r29 mov.m ar.unat = r25 // unat restored (don't touch no more) mov.i ar.pfs = r14 br.ret.sptk.many rp ;; /****** Return via sigreturn(): */ .next: mov.m ar.rsc = r10 // restore original ar.rsc add r2 = (SC_FR + 6*16), r8 add r3 = (SC_FR + 7*16), r8 ;; ldf.fill f6 = [r2], 32 ldf.fill f7 = [r3], 32 nop 0 ;; ldf.fill f8 = [r2], 32 ldf.fill f9 = [r3], 32 nop 0 ;; ldf.fill f10 = [r2], 32 ldf.fill f11 = [r3], 32 nop 0 ;; ldf.fill f12 = [r2], 32 ldf.fill f13 = [r3], 32 nop 0 ;; ldf.fill f14 = [r2], 32 ldf.fill f15 = [r3], 32 mov sp = r29 ;; #if NEW_SYSCALL add r2 = 8, tp;; ld8 r2 = [r2] mov r15 = SYS_sigreturn mov b7 = r2 br.call.sptk.many b6 = b7 ;; #else mov r15 = SYS_sigreturn break 0x100000 #endif break 0 // bug out if sigreturn() returns .endp ia64_install_cursor #endif /* !UNW_REMOTE_ONLY */ #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Lget_save_loc.c0000644000175000017500000000021113406556425014701 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_save_loc.c" #endif libunwind-1.3.2/src/ia64/Lglobal.c0000644000175000017500000000020313406556425013510 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gglobal.c" #endif libunwind-1.3.2/src/ia64/Gresume.c0000644000175000017500000002501613406755365013560 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" #include "offsets.h" #ifndef UNW_REMOTE_ONLY static inline int local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { #if defined(__linux) unw_word_t dirty_partition[2048]; /* AR.RSC.LOADRS is a 14-bit field */ unw_word_t val, sol, sof, pri_unat, n, pfs, bspstore, dirty_rnat; struct cursor *c = (struct cursor *) cursor; struct { unw_word_t r1; unw_word_t r4; unw_word_t r5; unw_word_t r6; unw_word_t r7; unw_word_t r15; unw_word_t r16; unw_word_t r17; unw_word_t r18; } extra; int ret, dirty_size; # define GET_NAT(n) \ do \ { \ ret = tdep_access_reg (c, UNW_IA64_NAT + (n), &val, 0); \ if (ret < 0) \ return ret; \ if (val) \ pri_unat |= (unw_word_t) 1 << n; \ } \ while (0) /* ensure c->pi is up-to-date: */ if ((ret = ia64_make_proc_info (c)) < 0) return ret; /* Copy contents of r4-r7 into "extra", so that their values end up contiguous, so we can use a single (primary-) UNaT value. */ if ((ret = ia64_get (c, c->loc[IA64_REG_R4], &extra.r4)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_R5], &extra.r5)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_R6], &extra.r6)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_R7], &extra.r7)) < 0) return ret; /* Form the primary UNaT value: */ pri_unat = 0; GET_NAT (4); GET_NAT(5); GET_NAT (6); GET_NAT(7); n = (((uintptr_t) &extra.r4) / 8 - 4) % 64; pri_unat = (pri_unat << n) | (pri_unat >> (64 - n)); if (unlikely (c->sigcontext_addr)) { struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; # define PR_SCRATCH 0xffc0 /* p6-p15 are scratch */ # define PR_PRESERVED (~(PR_SCRATCH | 1)) /* We're returning to a frame that was (either directly or indirectly) interrupted by a signal. We have to restore _both_ "preserved" and "scratch" registers. That doesn't leave us any registers to work with, and the only way we can achieve this is by doing a sigreturn(). Note: it might be tempting to think that we don't have to restore the scratch registers when returning to a frame that was indirectly interrupted by a signal. However, that is not safe because that frame and its descendants could have been using a special convention that stores "preserved" state in scratch registers. For example, the Linux fsyscall convention does this with r11 (to save ar.pfs) and b6 (to save "rp"). */ sc->sc_gr[12] = c->psp; c->psp = c->sigcontext_addr - c->sigcontext_off; sof = (c->cfm & 0x7f); if ((dirty_size = rbs_cover_and_flush (c, sof, dirty_partition, &dirty_rnat, &bspstore)) < 0) return dirty_size; /* Clear the "in-syscall" flag, because in general we won't be returning to the interruption-point and we need all registers restored. */ sc->sc_flags &= ~IA64_SC_FLAG_IN_SYSCALL; sc->sc_ip = c->ip; sc->sc_cfm = c->cfm & (((unw_word_t) 1 << 38) - 1); sc->sc_pr = (c->pr & ~PR_SCRATCH) | (sc->sc_pr & ~PR_PRESERVED); if ((ret = ia64_get (c, c->loc[IA64_REG_PFS], &sc->sc_ar_pfs)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_FPSR], &sc->sc_ar_fpsr)) < 0 || (ret = ia64_get (c, c->loc[IA64_REG_UNAT], &sc->sc_ar_unat)) < 0) return ret; sc->sc_gr[1] = c->pi.gp; if (c->eh_valid_mask & 0x1) sc->sc_gr[15] = c->eh_args[0]; if (c->eh_valid_mask & 0x2) sc->sc_gr[16] = c->eh_args[1]; if (c->eh_valid_mask & 0x4) sc->sc_gr[17] = c->eh_args[2]; if (c->eh_valid_mask & 0x8) sc->sc_gr[18] = c->eh_args[3]; Debug (9, "sc: r15=%lx,r16=%lx,r17=%lx,r18=%lx\n", (long) sc->sc_gr[15], (long) sc->sc_gr[16], (long) sc->sc_gr[17], (long) sc->sc_gr[18]); } else { /* Account for the fact that _Uia64_install_context() will return via br.ret, which will decrement bsp by size-of-locals. */ if ((ret = ia64_get (c, c->loc[IA64_REG_PFS], &pfs)) < 0) return ret; sol = (pfs >> 7) & 0x7f; if ((dirty_size = rbs_cover_and_flush (c, sol, dirty_partition, &dirty_rnat, &bspstore)) < 0) return dirty_size; extra.r1 = c->pi.gp; extra.r15 = c->eh_args[0]; extra.r16 = c->eh_args[1]; extra.r17 = c->eh_args[2]; extra.r18 = c->eh_args[3]; Debug (9, "extra: r15=%lx,r16=%lx,r17=%lx,r18=%lx\n", (long) extra.r15, (long) extra.r16, (long) extra.r17, (long) extra.r18); } Debug (8, "resuming at ip=%lx\n", (long) c->ip); ia64_install_cursor (c, pri_unat, (unw_word_t *) &extra, bspstore, dirty_size, dirty_partition + dirty_size/8, dirty_rnat); #elif defined(__hpux) struct cursor *c = (struct cursor *) cursor; setcontext (c->as_arg); /* should not return */ #endif return -UNW_EINVAL; } HIDDEN int ia64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { return local_resume (as, cursor, arg); } #endif /* !UNW_REMOTE_ONLY */ #ifndef UNW_LOCAL_ONLY static inline int remote_install_cursor (struct cursor *c) { int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int write, void *); int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int write, void *); unw_fpreg_t fpval; unw_word_t val; int reg; #if defined(__linux) && !defined(UNW_REMOTE_ONLY) if (c->as == unw_local_addr_space) { /* Take a short-cut: we directly resume out of the cursor and all we need to do is make sure that all locations point to memory, not registers. Furthermore, R4-R7 and NAT4-NAT7 are taken care of by ia64_local_resume() so they don't need to be handled here. */ # define MEMIFY(preg, reg) \ do { \ if (IA64_IS_REG_LOC (c->loc[(preg)])) \ c->loc[(preg)] = IA64_LOC_ADDR ((unw_word_t) \ tdep_uc_addr(c->as_arg, (reg), \ NULL), 0); \ } while (0) MEMIFY (IA64_REG_PR, UNW_IA64_PR); MEMIFY (IA64_REG_PFS, UNW_IA64_AR_PFS); MEMIFY (IA64_REG_RNAT, UNW_IA64_AR_RNAT); MEMIFY (IA64_REG_UNAT, UNW_IA64_AR_UNAT); MEMIFY (IA64_REG_LC, UNW_IA64_AR_LC); MEMIFY (IA64_REG_FPSR, UNW_IA64_AR_FPSR); MEMIFY (IA64_REG_IP, UNW_IA64_BR + 0); MEMIFY (IA64_REG_B1, UNW_IA64_BR + 1); MEMIFY (IA64_REG_B2, UNW_IA64_BR + 2); MEMIFY (IA64_REG_B3, UNW_IA64_BR + 3); MEMIFY (IA64_REG_B4, UNW_IA64_BR + 4); MEMIFY (IA64_REG_B5, UNW_IA64_BR + 5); MEMIFY (IA64_REG_F2, UNW_IA64_FR + 2); MEMIFY (IA64_REG_F3, UNW_IA64_FR + 3); MEMIFY (IA64_REG_F4, UNW_IA64_FR + 4); MEMIFY (IA64_REG_F5, UNW_IA64_FR + 5); MEMIFY (IA64_REG_F16, UNW_IA64_FR + 16); MEMIFY (IA64_REG_F17, UNW_IA64_FR + 17); MEMIFY (IA64_REG_F18, UNW_IA64_FR + 18); MEMIFY (IA64_REG_F19, UNW_IA64_FR + 19); MEMIFY (IA64_REG_F20, UNW_IA64_FR + 20); MEMIFY (IA64_REG_F21, UNW_IA64_FR + 21); MEMIFY (IA64_REG_F22, UNW_IA64_FR + 22); MEMIFY (IA64_REG_F23, UNW_IA64_FR + 23); MEMIFY (IA64_REG_F24, UNW_IA64_FR + 24); MEMIFY (IA64_REG_F25, UNW_IA64_FR + 25); MEMIFY (IA64_REG_F26, UNW_IA64_FR + 26); MEMIFY (IA64_REG_F27, UNW_IA64_FR + 27); MEMIFY (IA64_REG_F28, UNW_IA64_FR + 28); MEMIFY (IA64_REG_F29, UNW_IA64_FR + 29); MEMIFY (IA64_REG_F30, UNW_IA64_FR + 30); MEMIFY (IA64_REG_F31, UNW_IA64_FR + 31); } else #endif /* __linux && !UNW_REMOTE_ONLY */ { access_reg = c->as->acc.access_reg; access_fpreg = c->as->acc.access_fpreg; Debug (8, "copying out cursor state\n"); for (reg = 0; reg <= UNW_REG_LAST; ++reg) { if (unw_is_fpreg (reg)) { if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0) (*access_fpreg) (c->as, reg, &fpval, 1, c->as_arg); } else { if (tdep_access_reg (c, reg, &val, 0) >= 0) (*access_reg) (c->as, reg, &val, 1, c->as_arg); } } } return (*c->as->acc.resume) (c->as, (unw_cursor_t *) c, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ int unw_resume (unw_cursor_t *cursor) { struct cursor *c = (struct cursor *) cursor; Debug (1, "(cursor=%p, ip=0x%016lx)\n", c, (unsigned long) c->ip); #ifdef UNW_LOCAL_ONLY return local_resume (c->as, cursor, c->as_arg); #else return remote_install_cursor (c); #endif } libunwind-1.3.2/src/ia64/Gcreate_addr_space.c0000644000175000017500000000357313406755365015674 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" unw_addr_space_t unw_create_addr_space (unw_accessors_t *a, int byte_order) { #ifdef UNW_LOCAL_ONLY return NULL; #else unw_addr_space_t as; /* * IA-64 supports only big or little-endian, not weird stuff like * PDP_ENDIAN. */ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN && byte_order != __BIG_ENDIAN) return NULL; as = malloc (sizeof (*as)); if (!as) return NULL; memset (as, 0, sizeof (*as)); as->acc = *a; if (byte_order == 0) /* use host default: */ as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); else as->big_endian = (byte_order == __BIG_ENDIAN); return as; #endif } libunwind-1.3.2/src/ia64/offsets.h0000644000175000017500000001156013406556425013622 00000000000000/* Linux-specific definitions: */ /* Define various structure offsets to simplify cross-compilation. */ /* The first three 64-bit words in a signal frame contain the signal number, siginfo pointer, and sigcontext pointer passed to the signal handler. We use this to locate the sigcontext pointer. */ #define LINUX_SIGFRAME_ARG2_OFF 0x10 #define LINUX_SC_FLAGS_OFF 0x000 #define LINUX_SC_NAT_OFF 0x008 #define LINUX_SC_STACK_OFF 0x010 #define LINUX_SC_IP_OFF 0x028 #define LINUX_SC_CFM_OFF 0x030 #define LINUX_SC_UM_OFF 0x038 #define LINUX_SC_AR_RSC_OFF 0x040 #define LINUX_SC_AR_BSP_OFF 0x048 #define LINUX_SC_AR_RNAT_OFF 0x050 #define LINUX_SC_AR_CCV 0x058 #define LINUX_SC_AR_UNAT_OFF 0x060 #define LINUX_SC_AR_FPSR_OFF 0x068 #define LINUX_SC_AR_PFS_OFF 0x070 #define LINUX_SC_AR_LC_OFF 0x078 #define LINUX_SC_PR_OFF 0x080 #define LINUX_SC_BR_OFF 0x088 #define LINUX_SC_GR_OFF 0x0c8 #define LINUX_SC_FR_OFF 0x1d0 #define LINUX_SC_RBS_BASE_OFF 0x9d0 #define LINUX_SC_LOADRS_OFF 0x9d8 #define LINUX_SC_AR_CSD_OFF 0x9e0 #define LINUX_SC_AR_SSD_OFF 0x9e8 #define LINUX_SC_MASK 0xa50 /* Layout of old Linux kernel interrupt frame (struct pt_regs). */ #define LINUX_OLD_PT_IPSR_OFF 0x000 #define LINUX_OLD_PT_IIP_OFF 0x008 #define LINUX_OLD_PT_IFS_OFF 0x010 #define LINUX_OLD_PT_UNAT_OFF 0x018 #define LINUX_OLD_PT_PFS_OFF 0x020 #define LINUX_OLD_PT_RSC_OFF 0x028 #define LINUX_OLD_PT_RNAT_OFF 0x030 #define LINUX_OLD_PT_BSPSTORE_OFF 0x038 #define LINUX_OLD_PT_PR_OFF 0x040 #define LINUX_OLD_PT_B6_OFF 0x048 #define LINUX_OLD_PT_LOADRS_OFF 0x050 #define LINUX_OLD_PT_R1_OFF 0x058 #define LINUX_OLD_PT_R2_OFF 0x060 #define LINUX_OLD_PT_R3_OFF 0x068 #define LINUX_OLD_PT_R12_OFF 0x070 #define LINUX_OLD_PT_R13_OFF 0x078 #define LINUX_OLD_PT_R14_OFF 0x080 #define LINUX_OLD_PT_R15_OFF 0x088 #define LINUX_OLD_PT_R8_OFF 0x090 #define LINUX_OLD_PT_R9_OFF 0x098 #define LINUX_OLD_PT_R10_OFF 0x0a0 #define LINUX_OLD_PT_R11_OFF 0x0a8 #define LINUX_OLD_PT_R16_OFF 0x0b0 #define LINUX_OLD_PT_R17_OFF 0x0b8 #define LINUX_OLD_PT_R18_OFF 0x0c0 #define LINUX_OLD_PT_R19_OFF 0x0c8 #define LINUX_OLD_PT_R20_OFF 0x0d0 #define LINUX_OLD_PT_R21_OFF 0x0d8 #define LINUX_OLD_PT_R22_OFF 0x0e0 #define LINUX_OLD_PT_R23_OFF 0x0e8 #define LINUX_OLD_PT_R24_OFF 0x0f0 #define LINUX_OLD_PT_R25_OFF 0x0f8 #define LINUX_OLD_PT_R26_OFF 0x100 #define LINUX_OLD_PT_R27_OFF 0x108 #define LINUX_OLD_PT_R28_OFF 0x110 #define LINUX_OLD_PT_R29_OFF 0x118 #define LINUX_OLD_PT_R30_OFF 0x120 #define LINUX_OLD_PT_R31_OFF 0x128 #define LINUX_OLD_PT_CCV_OFF 0x130 #define LINUX_OLD_PT_FPSR_OFF 0x138 #define LINUX_OLD_PT_B0_OFF 0x140 #define LINUX_OLD_PT_B7_OFF 0x148 #define LINUX_OLD_PT_F6_OFF 0x150 #define LINUX_OLD_PT_F7_OFF 0x160 #define LINUX_OLD_PT_F8_OFF 0x170 #define LINUX_OLD_PT_F9_OFF 0x180 /* Layout of new Linux kernel interrupt frame (struct pt_regs). */ #define LINUX_PT_B6_OFF 0 #define LINUX_PT_B7_OFF 8 #define LINUX_PT_CSD_OFF 16 #define LINUX_PT_SSD_OFF 24 #define LINUX_PT_R8_OFF 32 #define LINUX_PT_R9_OFF 40 #define LINUX_PT_R10_OFF 48 #define LINUX_PT_R11_OFF 56 #define LINUX_PT_IPSR_OFF 64 #define LINUX_PT_IIP_OFF 72 #define LINUX_PT_IFS_OFF 80 #define LINUX_PT_UNAT_OFF 88 #define LINUX_PT_PFS_OFF 96 #define LINUX_PT_RSC_OFF 104 #define LINUX_PT_RNAT_OFF 112 #define LINUX_PT_BSPSTORE_OFF 120 #define LINUX_PT_PR_OFF 128 #define LINUX_PT_B0_OFF 136 #define LINUX_PT_LOADRS_OFF 144 #define LINUX_PT_R1_OFF 152 #define LINUX_PT_R12_OFF 160 #define LINUX_PT_R13_OFF 168 #define LINUX_PT_FPSR_OFF 176 #define LINUX_PT_R15_OFF 184 #define LINUX_PT_R14_OFF 192 #define LINUX_PT_R2_OFF 200 #define LINUX_PT_R3_OFF 208 #define LINUX_PT_R16_OFF 216 #define LINUX_PT_R17_OFF 224 #define LINUX_PT_R18_OFF 232 #define LINUX_PT_R19_OFF 240 #define LINUX_PT_R20_OFF 248 #define LINUX_PT_R21_OFF 256 #define LINUX_PT_R22_OFF 264 #define LINUX_PT_R23_OFF 272 #define LINUX_PT_R24_OFF 280 #define LINUX_PT_R25_OFF 288 #define LINUX_PT_R26_OFF 296 #define LINUX_PT_R27_OFF 304 #define LINUX_PT_R28_OFF 312 #define LINUX_PT_R29_OFF 320 #define LINUX_PT_R30_OFF 328 #define LINUX_PT_R31_OFF 336 #define LINUX_PT_CCV_OFF 344 #define LINUX_PT_F6_OFF 352 #define LINUX_PT_F7_OFF 368 #define LINUX_PT_F8_OFF 384 #define LINUX_PT_F9_OFF 400 #define LINUX_PT_F10_OFF 416 #define LINUX_PT_F11_OFF 432 #define LINUX_PT_P_NONSYS 5 /* must match pNonSys in entry.h */ libunwind-1.3.2/src/ia64/Grbs.c0000644000175000017500000002353713406556425013050 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Logically, we like to think of the stack as a contiguous region of memory. Unfortunately, this logical view doesn't work for the register backing store, because the RSE is an asynchronous engine and because UNIX/Linux allow for stack-switching via sigaltstack(2). Specifically, this means that any given stacked register may or may not be backed up by memory in the current stack. If not, then the backing memory may be found in any of the "more inner" (younger) stacks. The routines in this file help manage the discontiguous nature of the register backing store. The routines are completely independent of UNIX/Linux, but each stack frame that switches the backing store is expected to reserve 4 words for use by libunwind. For example, in the Linux sigcontext, sc_fr[0] and sc_fr[1] serve this purpose. */ #include "unwind_i.h" #if UNW_DEBUG HIDDEN const char * ia64_strloc (ia64_loc_t loc) { static char buf[128]; if (IA64_IS_NULL_LOC (loc)) return ""; buf[0] = '\0'; if (IA64_IS_MEMSTK_NAT (loc)) strcat (buf, "memstk_nat("); if (IA64_IS_UC_LOC (loc)) strcat (buf, "uc("); if (IA64_IS_FP_LOC (loc)) strcat (buf, "fp("); if (IA64_IS_REG_LOC (loc)) sprintf (buf + strlen (buf), "%s", unw_regname (IA64_GET_REG (loc))); else sprintf (buf + strlen (buf), "0x%llx", (unsigned long long) IA64_GET_ADDR (loc)); if (IA64_IS_FP_LOC (loc)) strcat (buf, ")"); if (IA64_IS_UC_LOC (loc)) strcat (buf, ")"); if (IA64_IS_MEMSTK_NAT (loc)) strcat (buf, ")"); return buf; } #endif /* UNW_DEBUG */ HIDDEN int rbs_switch (struct cursor *c, unw_word_t saved_bsp, unw_word_t saved_bspstore, ia64_loc_t saved_rnat_loc) { struct rbs_area *rbs = &c->rbs_area[c->rbs_curr]; unw_word_t lo, ndirty, rbs_base; int ret; Debug (10, "(left=%u, curr=%u)\n", c->rbs_left_edge, c->rbs_curr); /* Calculate address "lo" at which the backing store starts: */ ndirty = rse_num_regs (saved_bspstore, saved_bsp); lo = rse_skip_regs (c->bsp, -ndirty); rbs->size = (rbs->end - lo); /* If the previously-recorded rbs-area is empty we don't need to track it and we can simply overwrite it... */ if (rbs->size) { Debug (10, "inner=[0x%lx-0x%lx)\n", (long) (rbs->end - rbs->size), (long) rbs->end); c->rbs_curr = (c->rbs_curr + 1) % ARRAY_SIZE (c->rbs_area); rbs = c->rbs_area + c->rbs_curr; if (c->rbs_curr == c->rbs_left_edge) c->rbs_left_edge = (c->rbs_left_edge + 1) % ARRAY_SIZE (c->rbs_area); } if ((ret = rbs_get_base (c, saved_bspstore, &rbs_base)) < 0) return ret; rbs->end = saved_bspstore; rbs->size = saved_bspstore - rbs_base; rbs->rnat_loc = saved_rnat_loc; c->bsp = saved_bsp; Debug (10, "outer=[0x%llx-0x%llx), rnat@%s\n", (long long) rbs_base, (long long) rbs->end, ia64_strloc (rbs->rnat_loc)); return 0; } HIDDEN int rbs_find_stacked (struct cursor *c, unw_word_t regs_to_skip, ia64_loc_t *locp, ia64_loc_t *rnat_locp) { unw_word_t nregs, bsp = c->bsp, curr = c->rbs_curr, n; unw_word_t left_edge = c->rbs_left_edge; #if UNW_DEBUG int reg = 32 + regs_to_skip; #endif while (!rbs_contains (&c->rbs_area[curr], bsp)) { if (curr == left_edge) { Debug (1, "could not find register r%d!\n", reg); return -UNW_EBADREG; } n = rse_num_regs (c->rbs_area[curr].end, bsp); curr = (curr + ARRAY_SIZE (c->rbs_area) - 1) % ARRAY_SIZE (c->rbs_area); bsp = rse_skip_regs (c->rbs_area[curr].end - c->rbs_area[curr].size, n); } while (1) { nregs = rse_num_regs (bsp, c->rbs_area[curr].end); if (regs_to_skip < nregs) { /* found it: */ unw_word_t addr; addr = rse_skip_regs (bsp, regs_to_skip); if (locp) *locp = rbs_loc (c->rbs_area + curr, addr); if (rnat_locp) *rnat_locp = rbs_get_rnat_loc (c->rbs_area + curr, addr); return 0; } if (curr == left_edge) { Debug (1, "could not find register r%d!\n", reg); return -UNW_EBADREG; } regs_to_skip -= nregs; curr = (curr + ARRAY_SIZE (c->rbs_area) - 1) % ARRAY_SIZE (c->rbs_area); bsp = c->rbs_area[curr].end - c->rbs_area[curr].size; } } #ifdef NEED_RBS_COVER_AND_FLUSH static inline int get_rnat (struct cursor *c, struct rbs_area *rbs, unw_word_t bsp, unw_word_t *__restrict rnatp) { ia64_loc_t rnat_locp = rbs_get_rnat_loc (rbs, bsp); return ia64_get (c, rnat_locp, rnatp); } /* Simulate the effect of "cover" followed by a "flushrs" for the target-frame. However, since the target-frame's backing store may not have space for the registers that got spilled onto other rbs-areas, we save those registers to DIRTY_PARTITION where we can then load them via a single "loadrs". This function returns the size of the dirty-partition that was created or a negative error-code in case of error. Note: This does not modify the rbs_area[] structure in any way. */ HIDDEN int rbs_cover_and_flush (struct cursor *c, unw_word_t nregs, unw_word_t *dirty_partition, unw_word_t *dirty_rnat, unw_word_t *bspstore) { unw_word_t n, src_mask, dst_mask, bsp, *dst, src_rnat, dst_rnat = 0; unw_word_t curr = c->rbs_curr, left_edge = c->rbs_left_edge; struct rbs_area *rbs = c->rbs_area + curr; int ret; bsp = c->bsp; c->bsp = rse_skip_regs (bsp, nregs); if (likely (rbs_contains (rbs, bsp))) { /* at least _some_ registers are on rbs... */ n = rse_num_regs (bsp, rbs->end); if (likely (n >= nregs)) { /* common case #1: all registers are on current rbs... */ /* got lucky: _all_ registers are on rbs... */ ia64_loc_t rnat_loc = rbs_get_rnat_loc (rbs, c->bsp); *bspstore = c->bsp; if (IA64_IS_REG_LOC (rnat_loc)) { unw_word_t rnat_addr = (unw_word_t) tdep_uc_addr (c->as_arg, UNW_IA64_AR_RNAT, NULL); rnat_loc = IA64_LOC_ADDR (rnat_addr, 0); } c->loc[IA64_REG_RNAT] = rnat_loc; return 0; /* all done */ } nregs -= n; /* account for registers already on the rbs */ assert (rse_skip_regs (c->bsp, -nregs) == rse_skip_regs (rbs->end, 0)); } else /* Earlier frames also didn't get spilled; need to "loadrs" those, too... */ nregs += rse_num_regs (rbs->end, bsp); /* OK, we need to copy NREGS registers to the dirty partition. */ *bspstore = bsp = rbs->end; c->loc[IA64_REG_RNAT] = rbs->rnat_loc; assert (!IA64_IS_REG_LOC (rbs->rnat_loc)); dst = dirty_partition; while (nregs > 0) { if (unlikely (!rbs_contains (rbs, bsp))) { /* switch to next non-empty rbs-area: */ do { if (curr == left_edge) { Debug (0, "rbs-underflow while flushing %lu regs, " "bsp=0x%lx, dst=0x%p\n", (unsigned long) nregs, (unsigned long) bsp, dst); return -UNW_EBADREG; } assert (rse_num_regs (rbs->end, bsp) == 0); curr = (curr + ARRAY_SIZE (c->rbs_area) - 1) % ARRAY_SIZE (c->rbs_area); rbs = c->rbs_area + curr; bsp = rbs->end - rbs->size; } while (rbs->size == 0); if ((ret = get_rnat (c, rbs, bsp, &src_rnat)) < 0) return ret; } if (unlikely (rse_is_rnat_slot (bsp))) { bsp += 8; if ((ret = get_rnat (c, rbs, bsp, &src_rnat)) < 0) return ret; } if (unlikely (rse_is_rnat_slot ((unw_word_t) dst))) { *dst++ = dst_rnat; dst_rnat = 0; } src_mask = ((unw_word_t) 1) << rse_slot_num (bsp); dst_mask = ((unw_word_t) 1) << rse_slot_num ((unw_word_t) dst); if (src_rnat & src_mask) dst_rnat |= dst_mask; else dst_rnat &= ~dst_mask; /* copy one slot: */ if ((ret = ia64_get (c, rbs_loc (rbs, bsp), dst)) < 0) return ret; /* advance to next slot: */ --nregs; bsp += 8; ++dst; } if (unlikely (rse_is_rnat_slot ((unw_word_t) dst))) { /* The LOADRS instruction loads "the N bytes below the current BSP" but BSP can never point to an RNaT slot so if the last destination word happens to be an RNaT slot, we need to write that slot now. */ *dst++ = dst_rnat; dst_rnat = 0; } *dirty_rnat = dst_rnat; return (char *) dst - (char *) dirty_partition; } #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/src/ia64/Lis_signal_frame.c0000644000175000017500000000021413406556425015374 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gis_signal_frame.c" #endif libunwind-1.3.2/src/ia64/Lfind_unwind_table.c0000644000175000017500000000021613406556425015727 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gfind_unwind_table.c" #endif libunwind-1.3.2/src/ia64/Lreg_states_iterate.c0000644000175000017500000000021713406755365016136 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Greg_states_iterate.c" #endif libunwind-1.3.2/src/ia64/Gget_proc_info.c0000644000175000017500000000266213406755365015077 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) { struct cursor *c = (struct cursor *) cursor; int ret; if ((ret = ia64_make_proc_info (c)) < 0) return ret; *pi = c->pi; return 0; } libunwind-1.3.2/src/ia64/getcontext.S0000644000175000017500000001207113406556425014306 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ucontext_i.h" #define GR(n) (SC_GR + (n)*8) #define BR(n) (SC_BR + (n)*8) #define FR(n) (SC_FR + (n)*16) /* This should be compatible to the libc's getcontext(), except that the sc->sc_mask field is always cleared and that the name is prefixed with _Uia64_ so we don't step on the application's name-space. */ .align 32 .protected _Uia64_getcontext .global _Uia64_getcontext .proc _Uia64_getcontext _Uia64_getcontext: .prologue alloc rPFS = ar.pfs, 1, 0, 0, 0 // M2 mov rPR = pr // I0, 2 cycles add r2 = GR(1), in0 // I1 ;; .save ar.unat, rUNAT mov.m rUNAT = ar.unat // M2, 5 cycles .body st8.spill [r2] = r1, (SC_FLAGS - GR(1)) // M3 dep.z rFLAGS = -1, IA64_SC_FLAG_SYNCHRONOUS_BIT, 1 // I0, 1 cycle ;; mov.m rRSC = ar.rsc // M2, 12 cyc. st8 [r2] = rFLAGS, (SC_PR - SC_FLAGS) // M3 add r3 = FR(2), in0 ;; mov.m rBSP = ar.bsp // M2, 12 cyc. st8 [r2] = rPR, (GR(12) - SC_PR) // M3 add r8 = FR(16), in0 ;; mov.m rFPSR = ar.fpsr // M2, 12 cyc. st8.spill [r2] = r12, (GR(4) - GR(12)) // M3 add r9 = FR(24), in0 ;; stf.spill [r3] = f2 // M2 stf.spill [r8] = f16 // M3 add r3 = GR(7), in0 ;; flushrs // M0 stf.spill [r9] = f24, (FR(31) - FR(24)) // M2 mov rB0 = b0 // I0, 2 cycles ;; stf.spill [r9] = f31 // M2 st8.spill [r2] = r4, (GR(5) - GR(4)) // M3, bank 1 mov rB1 = b1 // I0, 2 cycles ;; .mem.offset 0,0; st8.spill [r2] = r5, (GR(6) - GR(5)) // M4, bank 0 .mem.offset 8,0; st8.spill [r3] = r7, (BR(0) - GR(7)) // M3, bank 0 mov rB2 = b2 // I0, 2 cycles ;; st8.spill [r2] = r6, (BR(1) - GR(6)) // M2, bank 1 st8 [r3] = rB0, (BR(4) - BR(0)) // M3, bank 1 mov rB4 = b4 // I0, 2 cycles ;; mov.m rNAT = ar.unat // M2, 5 cycles st8 [r2] = rB1, (BR(2) - BR(1)) // M3, bank 0 mov rB3 = b3 ;; st8 [r2] = rB2, (BR(3) - BR(2)) // M2, bank 1 st8 [r3] = rB4, (SC_LC - BR(4)) // M3, bank 1 mov rB5 = b5 // I0, 2 cycles ;; and rTMP = ~0x3, rRSC // M0 add rPOS = GR(0), in0 // rPOS <- &sc_gr[0] // M1 mov.i rLC = ar.lc // I0, 2 cycles ;; mov.m ar.rsc = rTMP // put RSE into lazy mode // M2, ? cycles st8 [r2] = rB3, (BR(5) - BR(3)) // M3, bank 0 extr.u rPOS = rPOS, 3, 6 // get NaT bitnr for r0 // I0 ;; mov.m rRNAT = ar.rnat // M2, 5 cycles st8 [r2] = rB5, (SC_PFS - BR(5)) // M3, bank 0 sub rCPOS = 64, rPOS // I0 ;; st8 [r2] = rPFS, (SC_UNAT - SC_PFS) // M2 st8 [r3] = rLC, (SC_BSP - SC_LC) // M3 shr.u rTMP = rNAT, rPOS // I0, 3 cycles ;; st8 [r2] = rUNAT, (SC_FPSR - SC_UNAT) // M2 st8 [r3] = rBSP // M3 add r8 = FR(3), in0 ;; st8 [r2] = rFPSR, (SC_RNAT - SC_FPSR) // M2 stf.spill [r8] = f3, (FR(4) - FR(3)) // M3 add r9 = FR(5), in0 ;; stf.spill [r8] = f4, (FR(17) - FR(4)) // M2 stf.spill [r9] = f5, (FR(19) - FR(5)) // M3 shl rNAT = rNAT, rCPOS // I0, 3 cycles ;; st8 [r2] = rRNAT, (SC_NAT - SC_RNAT) // M2 stf.spill [r8] = f17, (FR(18) - FR(17)) // M3 nop.i 0 ;; stf.spill [r8] = f18, (FR(20) - FR(18)) // M2 stf.spill [r9] = f19, (FR(21) - FR(19)) // M3 nop.i 0 ;; stf.spill [r8] = f20, (FR(22) - FR(20)) // M2 stf.spill [r9] = f21, (FR(23) - FR(21)) // M3 or rNAT = rNAT, rTMP // I0 ;; st8 [r2] = rNAT // M2 stf.spill [r8] = f22, (FR(25) - FR(22)) // M3 ;; stf.spill [r9] = f23, (FR(26) - FR(23)) // M2 stf.spill [r8] = f25, (FR(27) - FR(25)) // M3 ;; stf.spill [r9] = f26, (FR(28) - FR(26)) // M2 stf.spill [r8] = f27, (FR(29) - FR(27)) // M3 ;; mov.m ar.rsc = rRSC // restore RSE mode // M2 stf.spill [r9] = f28, (FR(30) - FR(28)) // M3 ;; mov.m ar.unat = rUNAT // restore caller's UNaT // M2 stf.spill [r8] = f29 // M3 ;; stf.spill [r9] = f30 // M2 mov r8 = 0 br.ret.sptk.many rp .endp _Uia64_getcontext #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Gapply_reg_state.c0000644000175000017500000000307713406755365015445 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" int unw_apply_reg_state (unw_cursor_t *cursor, void *reg_states_data) { struct cursor *c = (struct cursor *) cursor; // Needs dwarf support on ia64 // return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data); return -UNW_EINVAL; } libunwind-1.3.2/src/ia64/Lscript.c0000644000175000017500000000020313406556425013554 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gscript.c" #endif libunwind-1.3.2/src/ia64/setjmp.S0000644000175000017500000000317113406556425013425 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "jmpbuf.h" .align 32 .global _setjmp .proc _setjmp _setjmp: mov r2 = ar.bsp st8 [r32] = r12 // jmp_buf[JB_SP] = sp mov r3 = rp adds r16 = JB_RP*8, r32 adds r17 = JB_BSP*8, r32 mov r8 = 0 ;; st8 [r16] = r3 // jmp_buf[JB_RP] = rp st8 [r17] = r2 // jmp_buf[JB_BSP] = bsp br.ret.sptk.many rp .endp _setjmp #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/src/ia64/Lcreate_addr_space.c0000644000175000017500000000021613406556425015664 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gcreate_addr_space.c" #endif libunwind-1.3.2/src/ia64/Lget_proc_info.c0000644000175000017500000000021213406556425015065 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gget_proc_info.c" #endif libunwind-1.3.2/src/ia64/Gregs.c0000644000175000017500000004646413406556425013226 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "offsets.h" #include "regs.h" #include "unwind_i.h" static inline ia64_loc_t linux_scratch_loc (struct cursor *c, unw_regnum_t reg, uint8_t *nat_bitnr) { #if !defined(UNW_LOCAL_ONLY) || defined(__linux) unw_word_t addr = c->sigcontext_addr, flags, tmp_addr; int i; if (ia64_get_abi_marker (c) == ABI_MARKER_LINUX_SIGTRAMP || ia64_get_abi_marker (c) == ABI_MARKER_OLD_LINUX_SIGTRAMP) { switch (reg) { case UNW_IA64_NAT + 2 ... UNW_IA64_NAT + 3: case UNW_IA64_NAT + 8 ... UNW_IA64_NAT + 31: /* Linux sigcontext contains the NaT bit of scratch register N in bit position N of the sc_nat member. */ *nat_bitnr = (reg - UNW_IA64_NAT); addr += LINUX_SC_NAT_OFF; break; case UNW_IA64_GR + 2 ... UNW_IA64_GR + 3: case UNW_IA64_GR + 8 ... UNW_IA64_GR + 31: addr += LINUX_SC_GR_OFF + 8 * (reg - UNW_IA64_GR); break; case UNW_IA64_FR + 6 ... UNW_IA64_FR + 15: addr += LINUX_SC_FR_OFF + 16 * (reg - UNW_IA64_FR); return IA64_LOC_ADDR (addr, IA64_LOC_TYPE_FP); case UNW_IA64_FR + 32 ... UNW_IA64_FR + 127: if (ia64_get (c, IA64_LOC_ADDR (addr + LINUX_SC_FLAGS_OFF, 0), &flags) < 0) return IA64_NULL_LOC; if (!(flags & IA64_SC_FLAG_FPH_VALID)) { /* initialize fph partition: */ tmp_addr = addr + LINUX_SC_FR_OFF + 32*16; for (i = 32; i < 128; ++i, tmp_addr += 16) if (ia64_putfp (c, IA64_LOC_ADDR (tmp_addr, 0), unw.read_only.f0) < 0) return IA64_NULL_LOC; /* mark fph partition as valid: */ if (ia64_put (c, IA64_LOC_ADDR (addr + LINUX_SC_FLAGS_OFF, 0), flags | IA64_SC_FLAG_FPH_VALID) < 0) return IA64_NULL_LOC; } addr += LINUX_SC_FR_OFF + 16 * (reg - UNW_IA64_FR); return IA64_LOC_ADDR (addr, IA64_LOC_TYPE_FP); case UNW_IA64_BR + 0: addr += LINUX_SC_BR_OFF + 0; break; case UNW_IA64_BR + 6: addr += LINUX_SC_BR_OFF + 6*8; break; case UNW_IA64_BR + 7: addr += LINUX_SC_BR_OFF + 7*8; break; case UNW_IA64_AR_RSC: addr += LINUX_SC_AR_RSC_OFF; break; case UNW_IA64_AR_CSD: addr += LINUX_SC_AR_CSD_OFF; break; case UNW_IA64_AR_SSD: addr += LINUX_SC_AR_SSD_OFF; break; case UNW_IA64_AR_CCV: addr += LINUX_SC_AR_CCV; break; default: if (unw_is_fpreg (reg)) return IA64_FPREG_LOC (c, reg); else return IA64_REG_LOC (c, reg); } return IA64_LOC_ADDR (addr, 0); } else { int is_nat = 0; if ((unsigned) (reg - UNW_IA64_NAT) < 128) { is_nat = 1; reg -= (UNW_IA64_NAT - UNW_IA64_GR); } if (ia64_get_abi_marker (c) == ABI_MARKER_LINUX_INTERRUPT) { switch (reg) { case UNW_IA64_BR + 6 ... UNW_IA64_BR + 7: addr += LINUX_PT_B6_OFF + 8 * (reg - (UNW_IA64_BR + 6)); break; case UNW_IA64_AR_CSD: addr += LINUX_PT_CSD_OFF; break; case UNW_IA64_AR_SSD: addr += LINUX_PT_SSD_OFF; break; case UNW_IA64_GR + 8 ... UNW_IA64_GR + 11: addr += LINUX_PT_R8_OFF + 8 * (reg - (UNW_IA64_GR + 8)); break; case UNW_IA64_IP: addr += LINUX_PT_IIP_OFF; break; case UNW_IA64_CFM: addr += LINUX_PT_IFS_OFF; break; case UNW_IA64_AR_UNAT: addr += LINUX_PT_UNAT_OFF; break; case UNW_IA64_AR_PFS: addr += LINUX_PT_PFS_OFF; break; case UNW_IA64_AR_RSC: addr += LINUX_PT_RSC_OFF; break; case UNW_IA64_AR_RNAT: addr += LINUX_PT_RNAT_OFF; break; case UNW_IA64_AR_BSPSTORE: addr += LINUX_PT_BSPSTORE_OFF; break; case UNW_IA64_PR: addr += LINUX_PT_PR_OFF; break; case UNW_IA64_BR + 0: addr += LINUX_PT_B0_OFF; break; case UNW_IA64_GR + 1: /* The saved r1 value is valid only in the frame in which it was saved; for everything else we need to look up the appropriate gp value. */ if (c->sigcontext_addr != c->sp + 0x10) return IA64_NULL_LOC; addr += LINUX_PT_R1_OFF; break; case UNW_IA64_GR + 12: addr += LINUX_PT_R12_OFF; break; case UNW_IA64_GR + 13: addr += LINUX_PT_R13_OFF; break; case UNW_IA64_AR_FPSR: addr += LINUX_PT_FPSR_OFF; break; case UNW_IA64_GR + 15: addr += LINUX_PT_R15_OFF; break; case UNW_IA64_GR + 14: addr += LINUX_PT_R14_OFF; break; case UNW_IA64_GR + 2: addr += LINUX_PT_R2_OFF; break; case UNW_IA64_GR + 3: addr += LINUX_PT_R3_OFF; break; case UNW_IA64_GR + 16 ... UNW_IA64_GR + 31: addr += LINUX_PT_R16_OFF + 8 * (reg - (UNW_IA64_GR + 16)); break; case UNW_IA64_AR_CCV: addr += LINUX_PT_CCV_OFF; break; case UNW_IA64_FR + 6 ... UNW_IA64_FR + 11: addr += LINUX_PT_F6_OFF + 16 * (reg - (UNW_IA64_FR + 6)); return IA64_LOC_ADDR (addr, IA64_LOC_TYPE_FP); default: if (unw_is_fpreg (reg)) return IA64_FPREG_LOC (c, reg); else return IA64_REG_LOC (c, reg); } } else if (ia64_get_abi_marker (c) == ABI_MARKER_OLD_LINUX_INTERRUPT) { switch (reg) { case UNW_IA64_GR + 1: /* The saved r1 value is valid only in the frame in which it was saved; for everything else we need to look up the appropriate gp value. */ if (c->sigcontext_addr != c->sp + 0x10) return IA64_NULL_LOC; addr += LINUX_OLD_PT_R1_OFF; break; case UNW_IA64_GR + 2 ... UNW_IA64_GR + 3: addr += LINUX_OLD_PT_R2_OFF + 8 * (reg - (UNW_IA64_GR + 2)); break; case UNW_IA64_GR + 8 ... UNW_IA64_GR + 11: addr += LINUX_OLD_PT_R8_OFF + 8 * (reg - (UNW_IA64_GR + 8)); break; case UNW_IA64_GR + 16 ... UNW_IA64_GR + 31: addr += LINUX_OLD_PT_R16_OFF + 8 * (reg - (UNW_IA64_GR + 16)); break; case UNW_IA64_FR + 6 ... UNW_IA64_FR + 9: addr += LINUX_OLD_PT_F6_OFF + 16 * (reg - (UNW_IA64_FR + 6)); return IA64_LOC_ADDR (addr, IA64_LOC_TYPE_FP); case UNW_IA64_BR + 0: addr += LINUX_OLD_PT_B0_OFF; break; case UNW_IA64_BR + 6: addr += LINUX_OLD_PT_B6_OFF; break; case UNW_IA64_BR + 7: addr += LINUX_OLD_PT_B7_OFF; break; case UNW_IA64_AR_RSC: addr += LINUX_OLD_PT_RSC_OFF; break; case UNW_IA64_AR_CCV: addr += LINUX_OLD_PT_CCV_OFF; break; default: if (unw_is_fpreg (reg)) return IA64_FPREG_LOC (c, reg); else return IA64_REG_LOC (c, reg); } } if (is_nat) { /* For Linux pt-regs structure, bit number is determined by the UNaT slot number (as determined by st8.spill) and the bits are saved wherever the (primary) UNaT was saved. */ *nat_bitnr = ia64_unat_slot_num (addr); return c->loc[IA64_REG_PRI_UNAT_MEM]; } return IA64_LOC_ADDR (addr, 0); } #endif return IA64_NULL_LOC; } static inline ia64_loc_t hpux_scratch_loc (struct cursor *c, unw_regnum_t reg, uint8_t *nat_bitnr) { #if !defined(UNW_LOCAL_ONLY) || defined(__hpux) return IA64_LOC_UC_REG (reg, c->sigcontext_addr); #else return IA64_NULL_LOC; #endif } HIDDEN ia64_loc_t ia64_scratch_loc (struct cursor *c, unw_regnum_t reg, uint8_t *nat_bitnr) { if (c->sigcontext_addr) { if (ia64_get_abi (c) == ABI_LINUX) return linux_scratch_loc (c, reg, nat_bitnr); else if (ia64_get_abi (c) == ABI_HPUX) return hpux_scratch_loc (c, reg, nat_bitnr); else return IA64_NULL_LOC; } else return IA64_REG_LOC (c, reg); } static inline int update_nat (struct cursor *c, ia64_loc_t nat_loc, unw_word_t mask, unw_word_t *valp, int write) { unw_word_t nat_word; int ret; ret = ia64_get (c, nat_loc, &nat_word); if (ret < 0) return ret; if (write) { if (*valp) nat_word |= mask; else nat_word &= ~mask; ret = ia64_put (c, nat_loc, nat_word); } else *valp = (nat_word & mask) != 0; return ret; } static int access_nat (struct cursor *c, ia64_loc_t nat_loc, ia64_loc_t reg_loc, uint8_t nat_bitnr, unw_word_t *valp, int write) { unw_word_t mask = 0; unw_fpreg_t tmp; int ret; if (IA64_IS_FP_LOC (reg_loc)) { /* NaT bit is saved as a NaTVal. This happens when a general register is saved to a floating-point register. */ if (write) { if (*valp) { if (ia64_is_big_endian (c)) ret = ia64_putfp (c, reg_loc, unw.nat_val_be); else ret = ia64_putfp (c, reg_loc, unw.nat_val_le); } else { unw_word_t *src, *dst; unw_fpreg_t tmp; ret = ia64_getfp (c, reg_loc, &tmp); if (ret < 0) return ret; /* Reset the exponent to 0x1003e so that the significand will be interpreted as an integer value. */ src = (unw_word_t *) &unw.int_val_be; dst = (unw_word_t *) &tmp; if (!ia64_is_big_endian (c)) ++src, ++dst; *dst = *src; ret = ia64_putfp (c, reg_loc, tmp); } } else { ret = ia64_getfp (c, reg_loc, &tmp); if (ret < 0) return ret; if (ia64_is_big_endian (c)) *valp = (memcmp (&tmp, &unw.nat_val_be, sizeof (tmp)) == 0); else *valp = (memcmp (&tmp, &unw.nat_val_le, sizeof (tmp)) == 0); } return ret; } if ((IA64_IS_REG_LOC (nat_loc) && (unsigned) (IA64_GET_REG (nat_loc) - UNW_IA64_NAT) < 128) || IA64_IS_UC_LOC (reg_loc)) { if (write) return ia64_put (c, nat_loc, *valp); else return ia64_get (c, nat_loc, valp); } if (IA64_IS_NULL_LOC (nat_loc)) { /* NaT bit is not saved. This happens if a general register is saved to a branch register. Since the NaT bit gets lost, we need to drop it here, too. Note that if the NaT bit had been set when the save occurred, it would have caused a NaT consumption fault. */ if (write) { if (*valp) return -UNW_EBADREG; /* can't set NaT bit */ } else *valp = 0; return 0; } mask = (unw_word_t) 1 << nat_bitnr; return update_nat (c, nat_loc, mask, valp, write); } HIDDEN int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write) { ia64_loc_t loc, reg_loc, nat_loc; unw_word_t mask, val; uint8_t nat_bitnr; int ret; switch (reg) { /* frame registers: */ case UNW_IA64_BSP: if (write) c->bsp = *valp; else *valp = c->bsp; return 0; case UNW_REG_SP: if (write) c->sp = *valp; else *valp = c->sp; return 0; case UNW_REG_IP: if (write) { c->ip = *valp; /* also update the IP cache */ if (c->pi_valid && (*valp < c->pi.start_ip || *valp >= c->pi.end_ip)) c->pi_valid = 0; /* new IP outside of current proc */ } loc = c->loc[IA64_REG_IP]; break; /* preserved registers: */ case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7: loc = c->loc[IA64_REG_R4 + (reg - (UNW_IA64_GR + 4))]; break; case UNW_IA64_NAT + 4 ... UNW_IA64_NAT + 7: loc = c->loc[IA64_REG_NAT4 + (reg - (UNW_IA64_NAT + 4))]; reg_loc = c->loc[IA64_REG_R4 + (reg - (UNW_IA64_NAT + 4))]; nat_bitnr = c->nat_bitnr[reg - (UNW_IA64_NAT + 4)]; return access_nat (c, loc, reg_loc, nat_bitnr, valp, write); case UNW_IA64_AR_BSP: loc = c->loc[IA64_REG_BSP]; break; case UNW_IA64_AR_BSPSTORE: loc = c->loc[IA64_REG_BSPSTORE]; break; case UNW_IA64_AR_PFS: loc = c->loc[IA64_REG_PFS]; break; case UNW_IA64_AR_RNAT: loc = c->loc[IA64_REG_RNAT]; break; case UNW_IA64_AR_UNAT: loc = c->loc[IA64_REG_UNAT]; break; case UNW_IA64_AR_LC: loc = c->loc[IA64_REG_LC]; break; case UNW_IA64_AR_FPSR: loc = c->loc[IA64_REG_FPSR]; break; case UNW_IA64_BR + 1: loc = c->loc[IA64_REG_B1]; break; case UNW_IA64_BR + 2: loc = c->loc[IA64_REG_B2]; break; case UNW_IA64_BR + 3: loc = c->loc[IA64_REG_B3]; break; case UNW_IA64_BR + 4: loc = c->loc[IA64_REG_B4]; break; case UNW_IA64_BR + 5: loc = c->loc[IA64_REG_B5]; break; case UNW_IA64_CFM: if (write) c->cfm = *valp; /* also update the CFM cache */ loc = c->cfm_loc; break; case UNW_IA64_PR: /* * Note: broad-side access to the predicates is NOT rotated * (i.e., it is done as if CFM.rrb.pr == 0. */ if (write) { c->pr = *valp; /* update the predicate cache */ return ia64_put (c, c->loc[IA64_REG_PR], *valp); } else return ia64_get (c, c->loc[IA64_REG_PR], valp); case UNW_IA64_GR + 32 ... UNW_IA64_GR + 127: /* stacked reg */ reg = rotate_gr (c, reg - UNW_IA64_GR); if (reg < 0) return -UNW_EBADREG; ret = ia64_get_stacked (c, reg, &loc, NULL); if (ret < 0) return ret; break; case UNW_IA64_NAT + 32 ... UNW_IA64_NAT + 127: /* stacked reg */ reg = rotate_gr (c, reg - UNW_IA64_NAT); if (reg < 0) return -UNW_EBADREG; ret = ia64_get_stacked (c, reg, &loc, &nat_loc); if (ret < 0) return ret; assert (!IA64_IS_REG_LOC (loc)); mask = (unw_word_t) 1 << rse_slot_num (IA64_GET_ADDR (loc)); return update_nat (c, nat_loc, mask, valp, write); case UNW_IA64_AR_EC: if ((ret = ia64_get (c, c->ec_loc, &val)) < 0) return ret; if (write) { val = ((val & ~((unw_word_t) 0x3f << 52)) | ((*valp & 0x3f) << 52)); return ia64_put (c, c->ec_loc, val); } else { *valp = (val >> 52) & 0x3f; return 0; } /* scratch & special registers: */ case UNW_IA64_GR + 0: if (write) return -UNW_EREADONLYREG; *valp = 0; return 0; case UNW_IA64_NAT + 0: if (write) return -UNW_EREADONLYREG; *valp = 0; return 0; case UNW_IA64_NAT + 1: case UNW_IA64_NAT + 2 ... UNW_IA64_NAT + 3: case UNW_IA64_NAT + 8 ... UNW_IA64_NAT + 31: loc = ia64_scratch_loc (c, reg, &nat_bitnr); if (IA64_IS_NULL_LOC (loc) && reg == UNW_IA64_NAT + 1) { /* access to GP */ if (write) return -UNW_EREADONLYREG; *valp = 0; return 0; } if (!(IA64_IS_REG_LOC (loc) || IA64_IS_UC_LOC (loc) || IA64_IS_FP_LOC (loc))) /* We're dealing with a NaT bit stored in memory. */ return update_nat(c, loc, (unw_word_t) 1 << nat_bitnr, valp, write); break; case UNW_IA64_GR + 15 ... UNW_IA64_GR + 18: mask = 1 << (reg - (UNW_IA64_GR + 15)); if (write) { c->eh_args[reg - (UNW_IA64_GR + 15)] = *valp; c->eh_valid_mask |= mask; return 0; } else if ((c->eh_valid_mask & mask) != 0) { *valp = c->eh_args[reg - (UNW_IA64_GR + 15)]; return 0; } else loc = ia64_scratch_loc (c, reg, NULL); break; case UNW_IA64_GR + 1: /* global pointer */ case UNW_IA64_GR + 2 ... UNW_IA64_GR + 3: case UNW_IA64_GR + 8 ... UNW_IA64_GR + 14: case UNW_IA64_GR + 19 ... UNW_IA64_GR + 31: case UNW_IA64_BR + 0: case UNW_IA64_BR + 6: case UNW_IA64_BR + 7: case UNW_IA64_AR_RSC: case UNW_IA64_AR_CSD: case UNW_IA64_AR_SSD: case UNW_IA64_AR_CCV: loc = ia64_scratch_loc (c, reg, NULL); if (IA64_IS_NULL_LOC (loc) && reg == UNW_IA64_GR + 1) { /* access to GP */ if (write) return -UNW_EREADONLYREG; /* ensure c->pi is up-to-date: */ if ((ret = ia64_make_proc_info (c)) < 0) return ret; *valp = c->pi.gp; return 0; } break; default: Debug (1, "bad register number %d\n", reg); return -UNW_EBADREG; } if (write) return ia64_put (c, loc, *valp); else return ia64_get (c, loc, valp); } HIDDEN int tdep_access_fpreg (struct cursor *c, int reg, unw_fpreg_t *valp, int write) { ia64_loc_t loc; switch (reg) { case UNW_IA64_FR + 0: if (write) return -UNW_EREADONLYREG; *valp = unw.read_only.f0; return 0; case UNW_IA64_FR + 1: if (write) return -UNW_EREADONLYREG; if (ia64_is_big_endian (c)) *valp = unw.read_only.f1_be; else *valp = unw.read_only.f1_le; return 0; case UNW_IA64_FR + 2: loc = c->loc[IA64_REG_F2]; break; case UNW_IA64_FR + 3: loc = c->loc[IA64_REG_F3]; break; case UNW_IA64_FR + 4: loc = c->loc[IA64_REG_F4]; break; case UNW_IA64_FR + 5: loc = c->loc[IA64_REG_F5]; break; case UNW_IA64_FR + 16 ... UNW_IA64_FR + 31: loc = c->loc[IA64_REG_F16 + (reg - (UNW_IA64_FR + 16))]; break; case UNW_IA64_FR + 6 ... UNW_IA64_FR + 15: loc = ia64_scratch_loc (c, reg, NULL); break; case UNW_IA64_FR + 32 ... UNW_IA64_FR + 127: reg = rotate_fr (c, reg - UNW_IA64_FR) + UNW_IA64_FR; loc = ia64_scratch_loc (c, reg, NULL); break; default: Debug (1, "bad register number %d\n", reg); return -UNW_EBADREG; } if (write) return ia64_putfp (c, loc, *valp); else return ia64_getfp (c, loc, valp); } libunwind-1.3.2/src/ia64/Lresume.c0000644000175000017500000000020313406556425013550 00000000000000#define UNW_LOCAL_ONLY #include #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) #include "Gresume.c" #endif libunwind-1.3.2/src/ia64/regs.h0000644000175000017500000000450513406556425013112 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" /* Apply rotation to a general register. REG must be in the range 0-127. */ static inline int rotate_gr (struct cursor *c, int reg) { unsigned int rrb_gr, sor; int preg; sor = 8 * ((c->cfm >> 14) & 0xf); rrb_gr = (c->cfm >> 18) & 0x7f; if ((unsigned) (reg - 32) >= sor) preg = reg; else { preg = reg + rrb_gr; /* apply rotation */ if ((unsigned) (preg - 32) >= sor) preg -= sor; /* wrap around */ } if (sor) Debug (15, "sor=%u rrb.gr=%u, r%d -> r%d\n", sor, rrb_gr, reg, preg); return preg; } /* Apply rotation to a floating-point register. The number REG must be in the range of 0-127. */ static inline int rotate_fr (struct cursor *c, int reg) { unsigned int rrb_fr; int preg; rrb_fr = (c->cfm >> 25) & 0x7f; if (reg < 32) preg = reg; /* register not part of the rotating partition */ else { preg = reg + rrb_fr; /* apply rotation */ if (preg > 127) preg -= 96; /* wrap around */ } if (rrb_fr) Debug (15, "rrb.fr=%u, f%d -> f%d\n", rrb_fr, reg, preg); return preg; } libunwind-1.3.2/src/ia64/init.h0000644000175000017500000001270013406556425013111 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "unwind_i.h" static ALWAYS_INLINE int common_init (struct cursor *c, unw_word_t sp, unw_word_t bsp) { unw_word_t bspstore, rbs_base; int ret; if (c->as->caching_policy != UNW_CACHE_NONE) /* ensure cache doesn't have any stale contents: */ ia64_validate_cache (c->as, c->as_arg); c->cfm_loc = IA64_REG_LOC (c, UNW_IA64_CFM); c->loc[IA64_REG_BSP] = IA64_NULL_LOC; c->loc[IA64_REG_BSPSTORE] = IA64_REG_LOC (c, UNW_IA64_AR_BSPSTORE); c->loc[IA64_REG_PFS] = IA64_REG_LOC (c, UNW_IA64_AR_PFS); c->loc[IA64_REG_RNAT] = IA64_REG_LOC (c, UNW_IA64_AR_RNAT); c->loc[IA64_REG_IP] = IA64_REG_LOC (c, UNW_IA64_IP); c->loc[IA64_REG_PRI_UNAT_MEM] = IA64_NULL_LOC; /* no primary UNaT location */ c->loc[IA64_REG_UNAT] = IA64_REG_LOC (c, UNW_IA64_AR_UNAT); c->loc[IA64_REG_PR] = IA64_REG_LOC (c, UNW_IA64_PR); c->loc[IA64_REG_LC] = IA64_REG_LOC (c, UNW_IA64_AR_LC); c->loc[IA64_REG_FPSR] = IA64_REG_LOC (c, UNW_IA64_AR_FPSR); c->loc[IA64_REG_R4] = IA64_REG_LOC (c, UNW_IA64_GR + 4); c->loc[IA64_REG_R5] = IA64_REG_LOC (c, UNW_IA64_GR + 5); c->loc[IA64_REG_R6] = IA64_REG_LOC (c, UNW_IA64_GR + 6); c->loc[IA64_REG_R7] = IA64_REG_LOC (c, UNW_IA64_GR + 7); c->loc[IA64_REG_NAT4] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 4, &c->nat_bitnr[0]); c->loc[IA64_REG_NAT5] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 5, &c->nat_bitnr[1]); c->loc[IA64_REG_NAT6] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 6, &c->nat_bitnr[2]); c->loc[IA64_REG_NAT7] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 7, &c->nat_bitnr[3]); c->loc[IA64_REG_B1] = IA64_REG_LOC (c, UNW_IA64_BR + 1); c->loc[IA64_REG_B2] = IA64_REG_LOC (c, UNW_IA64_BR + 2); c->loc[IA64_REG_B3] = IA64_REG_LOC (c, UNW_IA64_BR + 3); c->loc[IA64_REG_B4] = IA64_REG_LOC (c, UNW_IA64_BR + 4); c->loc[IA64_REG_B5] = IA64_REG_LOC (c, UNW_IA64_BR + 5); c->loc[IA64_REG_F2] = IA64_FPREG_LOC (c, UNW_IA64_FR + 2); c->loc[IA64_REG_F3] = IA64_FPREG_LOC (c, UNW_IA64_FR + 3); c->loc[IA64_REG_F4] = IA64_FPREG_LOC (c, UNW_IA64_FR + 4); c->loc[IA64_REG_F5] = IA64_FPREG_LOC (c, UNW_IA64_FR + 5); c->loc[IA64_REG_F16] = IA64_FPREG_LOC (c, UNW_IA64_FR + 16); c->loc[IA64_REG_F17] = IA64_FPREG_LOC (c, UNW_IA64_FR + 17); c->loc[IA64_REG_F18] = IA64_FPREG_LOC (c, UNW_IA64_FR + 18); c->loc[IA64_REG_F19] = IA64_FPREG_LOC (c, UNW_IA64_FR + 19); c->loc[IA64_REG_F20] = IA64_FPREG_LOC (c, UNW_IA64_FR + 20); c->loc[IA64_REG_F21] = IA64_FPREG_LOC (c, UNW_IA64_FR + 21); c->loc[IA64_REG_F22] = IA64_FPREG_LOC (c, UNW_IA64_FR + 22); c->loc[IA64_REG_F23] = IA64_FPREG_LOC (c, UNW_IA64_FR + 23); c->loc[IA64_REG_F24] = IA64_FPREG_LOC (c, UNW_IA64_FR + 24); c->loc[IA64_REG_F25] = IA64_FPREG_LOC (c, UNW_IA64_FR + 25); c->loc[IA64_REG_F26] = IA64_FPREG_LOC (c, UNW_IA64_FR + 26); c->loc[IA64_REG_F27] = IA64_FPREG_LOC (c, UNW_IA64_FR + 27); c->loc[IA64_REG_F28] = IA64_FPREG_LOC (c, UNW_IA64_FR + 28); c->loc[IA64_REG_F29] = IA64_FPREG_LOC (c, UNW_IA64_FR + 29); c->loc[IA64_REG_F30] = IA64_FPREG_LOC (c, UNW_IA64_FR + 30); c->loc[IA64_REG_F31] = IA64_FPREG_LOC (c, UNW_IA64_FR + 31); ret = ia64_get (c, c->loc[IA64_REG_IP], &c->ip); if (ret < 0) return ret; ret = ia64_get (c, c->cfm_loc, &c->cfm); if (ret < 0) return ret; ret = ia64_get (c, c->loc[IA64_REG_PR], &c->pr); if (ret < 0) return ret; c->sp = c->psp = sp; c->bsp = bsp; ret = ia64_get (c, c->loc[IA64_REG_BSPSTORE], &bspstore); if (ret < 0) return ret; c->rbs_curr = c->rbs_left_edge = 0; /* Try to find a base of the register backing-store. We may default to a reasonable value (e.g., half the address-space down from bspstore). If the BSPSTORE looks corrupt, we fail. */ if ((ret = rbs_get_base (c, bspstore, &rbs_base)) < 0) return ret; c->rbs_area[0].end = bspstore; c->rbs_area[0].size = bspstore - rbs_base; c->rbs_area[0].rnat_loc = IA64_REG_LOC (c, UNW_IA64_AR_RNAT); Debug (10, "initial rbs-area: [0x%llx-0x%llx), rnat@%s\n", (long long) rbs_base, (long long) c->rbs_area[0].end, ia64_strloc (c->rbs_area[0].rnat_loc)); c->pi.flags = 0; c->sigcontext_addr = 0; c->abi_marker = 0; c->last_abi_marker = 0; c->hint = 0; c->prev_script = 0; c->eh_valid_mask = 0; c->pi_valid = 0; return 0; } libunwind-1.3.2/README0000644000175000017500000001456513640667603011337 00000000000000-*- mode: Outline -*- [![Build Status](https://travis-ci.org/libunwind/libunwind.svg?branch=master)](https://travis-ci.org/libunwind/libunwind) This is version 1.3 of the unwind library. This library supports several architecture/operating-system combinations: Linux/x86-64: Works well. Linux/x86: Works well. Linux/ARM: Works well. Linux/IA-64: Works well. Linux/PARISC: Works well, but C library missing unwind-info. HP-UX/IA-64: Mostly works but known to have some serious limitations. MIPS: Newly added. Linux/AArch64: Works well. Linux/PPC64: Newly added. Linux/SuperH: Newly added. FreeBSD/i386: Works well. FreeBSD/x86-64: Newly added (FreeBSD architecture is known as amd64). Linux/Tilegx: Newly added (64-bit mode only). * General Build Instructions In general, this library can be built and installed with the following commands: $ ./autogen.sh # Needed only for building from git. Depends on libtool. $ ./configure $ make $ make install prefix=PREFIX where PREFIX is the installation prefix. By default, a prefix of /usr/local is used, such that libunwind.a is installed in /usr/local/lib and unwind.h is installed in /usr/local/include. For testing, you may want to use a prefix of /usr/local instead. * Building with Intel compiler ** Version 8 and later Starting with version 8, the preferred name for the IA-64 Intel compiler is "icc" (same name as on x86). Thus, the configure-line should look like this: $ ./configure CC=icc CFLAGS="-g -O3 -ip" CXX=icc CCAS=gcc CCASFLAGS=-g \ LDFLAGS="-L$PWD/src/.libs" * Building on HP-UX For the time being, libunwind must be built with GCC on HP-UX. libunwind should be configured and installed on HP-UX like this: $ ./configure CFLAGS="-g -O2 -mlp64" CXXFLAGS="-g -O2 -mlp64" Caveat: Unwinding of 32-bit (ILP32) binaries is not supported at the moment. ** Workaround for older versions of GCC GCC v3.0 and GCC v3.2 ship with a bad version of sys/types.h. The workaround is to issue the following commands before running "configure": $ mkdir $top_dir/include/sys $ cp /usr/include/sys/types.h $top_dir/include/sys GCC v3.3.2 or later have been fixed and do not require this workaround. * Building for PowerPC64 / Linux For building for power64 you should use: $ ./configure CFLAGS="-g -O2 -m64" CXXFLAGS="-g -O2 -m64" If your power support altivec registers: $ ./configure CFLAGS="-g -O2 -m64 -maltivec" CXXFLAGS="-g -O2 -m64 -maltivec" To check if your processor has support for vector registers (altivec): cat /proc/cpuinfo | grep altivec and should have something like this: cpu : PPC970, altivec supported If libunwind seems to not work (backtracing failing), try to compile it with -O0, without optimizations. There are some compiler problems depending on the version of your gcc. * Building on FreeBSD General building instructions apply. To build and execute several tests, you need libexecinfo library available in ports as devel/libexecinfo. Development of the port was done of FreeBSD 8.0-STABLE. The library was build with the system compiler that is modified version of gcc 4.2.1, as well as the gcc 4.4.3. * Regression Testing After building the library, you can run a set of regression tests with: $ make check ** Expected results on IA-64 Linux Unless you have a very recent C library and compiler installed, it is currently expected to have the following tests fail on IA-64 Linux: Gtest-init (should pass starting with glibc-2.3.x/gcc-3.4) Ltest-init (should pass starting with glibc-2.3.x/gcc-3.4) test-ptrace (should pass starting with glibc-2.3.x/gcc-3.4) run-ia64-test-dyn1 (should pass starting with glibc-2.3.x) This does not mean that libunwind cannot be used with older compilers or C libraries, it just means that for certain corner cases, unwinding will fail. Since they're corner cases, it is not likely for applications to trigger them. Note: If you get lots of errors in Gia64-test-nat and Lia64-test-nat, it's almost certainly a sign of an old assembler. The GNU assembler used to encode previous-stack-pointer-relative offsets incorrectly. This bug was fixed on 21-Sep-2004 so any later assembler will be fine. ** Expected results on x86 Linux The following tests are expected to fail on x86 Linux: test-ptrace ** Expected results on x86-64 Linux The following tests are expected to fail on x86-64 Linux: run-ptrace-misc (see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18748 and http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18749) ** Expected results on PARISC Linux Caveat: GCC v3.4 or newer is needed on PA-RISC Linux. Earlier versions of the compiler failed to generate the exception-handling program header (GNU_EH_FRAME) needed for unwinding. The following tests are expected to fail on x86-64 Linux: Gtest-bt (backtrace truncated at kill() due to lack of unwind-info) Ltest-bt (likewise) Gtest-resume-sig (Gresume.c:my_rt_sigreturn() is wrong somehow) Ltest-resume-sig (likewise) Gtest-init (likewise) Ltest-init (likewise) Gtest-dyn1 (no dynamic unwind info support yet) Ltest-dyn1 (no dynamic unwind info support yet) test-setjmp (longjmp() not implemented yet) run-check-namespace (toolchain doesn't support HIDDEN yet) ** Expected results on HP-UX "make check" is currently unsupported for HP-UX. You can try to run it, but most tests will fail (and some may fail to terminate). The only test programs that are known to work at this time are: tests/bt tests/Gperf-simple tests/test-proc-info tests/test-static-link tests/Gtest-init tests/Ltest-init tests/Gtest-resume-sig tests/Ltest-resume-sig ** Expected results on PPC64 Linux "make check" should run with no more than 10 out of 24 tests failed. * Performance Testing This distribution includes a few simple performance tests which give some idea of the basic cost of various libunwind operations. After building the library, you can run these tests with the following commands: $ cd tests $ make perf * Contacting the Developers Please direct all questions regarding this library to: libunwind-devel@nongnu.org You can do this by sending a mail to libunwind-request@nongnu.org with a body of: subscribe libunwind-devel or you can subscribe and manage your subscription via the web-interface at: https://savannah.nongnu.org/mail/?group=libunwind Or interact at the gihub page: https://github.com/libunwind/libunwind libunwind-1.3.2/aclocal.m40000644000175000017500000134125713640673437012323 00000000000000# generated automatically by aclocal 1.16.1 -*- Autoconf -*- # Copyright (C) 1996-2018 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, [m4_warning([this file was generated for autoconf 2.69. You have another version of autoconf. It may work, but is not guaranteed to. If you have problems, you may need to regenerate the build system entirely. To do so, use the procedure documented by the package, typically 'autoreconf'.])]) # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # # Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc. # Written by Gordon Matzigkeit, 1996 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. m4_define([_LT_COPYING], [dnl # Copyright (C) 2014 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ]) # serial 58 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. 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We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi _LT_DECL([dlopen_support], [enable_dlopen], [0], [Whether dlopen is supported]) _LT_DECL([dlopen_self], [enable_dlopen_self], [0], [Whether dlopen of programs is supported]) _LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], [Whether dlopen of statically linked programs is supported]) ])# LT_SYS_DLOPEN_SELF # Old name: AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) # _LT_COMPILER_C_O([TAGNAME]) # --------------------------- # Check to see if options -c and -o are simultaneously supported by compiler. # This macro does not hard code the compiler like AC_PROG_CC_C_O. m4_defun([_LT_COMPILER_C_O], [m4_require([_LT_DECL_SED])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes fi fi chmod u+w . 2>&AS_MESSAGE_LOG_FD $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* ]) _LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], [Does compiler simultaneously support -c and -o options?]) ])# _LT_COMPILER_C_O # _LT_COMPILER_FILE_LOCKS([TAGNAME]) # ---------------------------------- # Check to see if we can do hard links to lock some files if needed m4_defun([_LT_COMPILER_FILE_LOCKS], [m4_require([_LT_ENABLE_LOCK])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl _LT_COMPILER_C_O([$1]) hard_links=nottested if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test no = "$hard_links"; then AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi _LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) ])# _LT_COMPILER_FILE_LOCKS # _LT_CHECK_OBJDIR # ---------------- m4_defun([_LT_CHECK_OBJDIR], [AC_CACHE_CHECK([for objdir], [lt_cv_objdir], [rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null]) objdir=$lt_cv_objdir _LT_DECL([], [objdir], [0], [The name of the directory that contains temporary libtool files])dnl m4_pattern_allow([LT_OBJDIR])dnl AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", [Define to the sub-directory where libtool stores uninstalled libraries.]) ])# _LT_CHECK_OBJDIR # _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) # -------------------------------------- # Check hardcoding attributes. m4_defun([_LT_LINKER_HARDCODE_LIBPATH], [AC_MSG_CHECKING([how to hardcode library paths into programs]) _LT_TAGVAR(hardcode_action, $1)= if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || test -n "$_LT_TAGVAR(runpath_var, $1)" || test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then # We can hardcode non-existent directories. if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then # Linking always hardcodes the temporary library directory. _LT_TAGVAR(hardcode_action, $1)=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. _LT_TAGVAR(hardcode_action, $1)=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. _LT_TAGVAR(hardcode_action, $1)=unsupported fi AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi _LT_TAGDECL([], [hardcode_action], [0], [How to hardcode a shared library path into an executable]) ])# _LT_LINKER_HARDCODE_LIBPATH # _LT_CMD_STRIPLIB # ---------------- m4_defun([_LT_CMD_STRIPLIB], [m4_require([_LT_DECL_EGREP]) striplib= old_striplib= AC_MSG_CHECKING([whether stripping libraries is possible]) if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" test -z "$striplib" && striplib="$STRIP --strip-unneeded" AC_MSG_RESULT([yes]) else # FIXME - insert some real tests, host_os isn't really good enough case $host_os in darwin*) if test -n "$STRIP"; then striplib="$STRIP -x" old_striplib="$STRIP -S" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ;; *) AC_MSG_RESULT([no]) ;; esac fi _LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) _LT_DECL([], [striplib], [1]) ])# _LT_CMD_STRIPLIB # _LT_PREPARE_MUNGE_PATH_LIST # --------------------------- # Make sure func_munge_path_list() is defined correctly. m4_defun([_LT_PREPARE_MUNGE_PATH_LIST], [[# func_munge_path_list VARIABLE PATH # ----------------------------------- # VARIABLE is name of variable containing _space_ separated list of # directories to be munged by the contents of PATH, which is string # having a format: # "DIR[:DIR]:" # string "DIR[ DIR]" will be prepended to VARIABLE # ":DIR[:DIR]" # string "DIR[ DIR]" will be appended to VARIABLE # "DIRP[:DIRP]::[DIRA:]DIRA" # string "DIRP[ DIRP]" will be prepended to VARIABLE and string # "DIRA[ DIRA]" will be appended to VARIABLE # "DIR[:DIR]" # VARIABLE will be replaced by "DIR[ DIR]" func_munge_path_list () { case x@S|@2 in x) ;; *:) eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\" ;; x:*) eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\" ;; *::*) eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\" ;; *) eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\" ;; esac } ]])# _LT_PREPARE_PATH_LIST # _LT_SYS_DYNAMIC_LINKER([TAG]) # ----------------------------- # PORTME Fill in your ld.so characteristics m4_defun([_LT_SYS_DYNAMIC_LINKER], [AC_REQUIRE([AC_CANONICAL_HOST])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_OBJDUMP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CHECK_SHELL_FEATURES])dnl m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl AC_MSG_CHECKING([dynamic linker characteristics]) m4_if([$1], [], [ if test yes = "$GCC"; then case $host_os in darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; *) lt_awk_arg='/^libraries:/' ;; esac case $host_os in mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;; *) lt_sed_strip_eq='s|=/|/|g' ;; esac lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` case $lt_search_path_spec in *\;*) # if the path contains ";" then we assume it to be the separator # otherwise default to the standard path separator (i.e. ":") - it is # assumed that no part of a normal pathname contains ";" but that should # okay in the real world where ";" in dirpaths is itself problematic. lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` ;; *) lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` ;; esac # Ok, now we have the path, separated by spaces, we can step through it # and add multilib dir if necessary... lt_tmp_lt_search_path_spec= lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` # ...but if some path component already ends with the multilib dir we assume # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). case "$lt_multi_os_dir; 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then # AIX 5 supports IA64 library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH else # With GCC up to 2.95.x, collect2 would create an import file # for dependence libraries. 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Also, we use the # versioned .so libs for executables only if there is the -brtl # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. # To allow for filename-based versioning support, we need to create # libNAME.so.V as an archive file, containing: # *) an Import File, referring to the versioned filename of the # archive as well as the shared archive member, telling the # bitwidth (32 or 64) of that shared object, and providing the # list of exported symbols of that shared object, eventually # decorated with the 'weak' keyword # *) the shared object with the F_LOADONLY flag set, to really avoid # it being seen by the linker. # At run time we better use the real file rather than another symlink, # but for link time we create the symlink libNAME.so -> libNAME.so.V case $with_aix_soname,$aix_use_runtimelinking in # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct # soname into executable. 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esac shlibpath_var=LIBPATH fi ;; amigaos*) case $host_cpu in powerpc) # Since July 2007 AmigaOS4 officially supports .so libraries. # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; m68k) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='$libname$shared_ext' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[[45]]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; cygwin* | mingw* | pw32* | cegcc*) version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no case $GCC,$cc_basename in yes,*) # gcc library_names_spec='$libname.dll.a' # DLL is installed to $(libdir)/../bin by postinstall_cmds postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' shlibpath_overrides_runpath=yes case $host_os in cygwin*) # Cygwin DLLs use 'cyg' prefix rather than 'lib' soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' m4_if([$1], [],[ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) ;; 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esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], [lt_cv_shlibpath_overrides_runpath=yes])]) LDFLAGS=$save_LDFLAGS libdir=$save_libdir ]) shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd* | bitrig*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; 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sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM=$NM else lt_nm_to_check=${ac_tool_prefix}nm if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/$lt_tmp_nm if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then # Check to see if the nm accepts a BSD-compat flag. # Adding the 'sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty case $build_os in mingw*) lt_bad_file=conftest.nm/nofile ;; *) lt_bad_file=/dev/null ;; esac case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in *$lt_bad_file* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break 2 ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break 2 ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS=$lt_save_ifs done : ${lt_cv_path_NM=no} fi]) if test no != "$lt_cv_path_NM"; then NM=$lt_cv_path_NM else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols -headers" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test : != "$DUMPBIN"; then NM=$DUMPBIN fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test yes != "$lt_cv_path_mainfest_tool"; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # _LT_DLL_DEF_P([FILE]) # --------------------- # True iff FILE is a Windows DLL '.def' file. # Keep in sync with func_dll_def_p in the libtool script AC_DEFUN([_LT_DLL_DEF_P], [dnl test DEF = "`$SED -n dnl -e '\''s/^[[ ]]*//'\'' dnl Strip leading whitespace -e '\''/^\(;.*\)*$/d'\'' dnl Delete empty lines and comments -e '\''s/^\(EXPORTS\|LIBRARY\)\([[ ]].*\)*$/DEF/p'\'' dnl -e q dnl Only consider the first "real" line $1`" dnl ])# _LT_DLL_DEF_P # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw) AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM=-lm) ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test yes = "$GCC"; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], [lt_cv_irix_exported_symbol], [save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" AC_LINK_IFELSE( [AC_LANG_SOURCE( [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], [C++], [[int foo (void) { return 0; }]], [Fortran 77], [[ subroutine foo end]], [Fortran], [[ subroutine foo end]])])], [lt_cv_irix_exported_symbol=yes], [lt_cv_irix_exported_symbol=no]) LDFLAGS=$save_LDFLAGS]) if test yes = "$lt_cv_irix_exported_symbol"; then _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi _LT_TAGVAR(link_all_deplibs, $1)=no else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(inherit_rpath, $1)=yes _LT_TAGVAR(link_all_deplibs, $1)=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(ld_shlibs, $1)=yes _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' ;; esac ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; newsos6) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *nto* | *qnx*) ;; openbsd* | bitrig*) if test -f /usr/libexec/ld.so; then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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These variables are subsequently used by _LT_CONFIG to write # the compiler configuration to 'libtool'. m4_defun([_LT_LANG_CXX_CONFIG], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl if test -n "$CXX" && ( test no != "$CXX" && ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) || (test g++ != "$CXX"))); then AC_PROG_CXXCPP else _lt_caught_CXX_error=yes fi AC_LANG_PUSH(C++) _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(allow_undefined_flag, $1)= _LT_TAGVAR(always_export_symbols, $1)=no _LT_TAGVAR(archive_expsym_cmds, $1)= _LT_TAGVAR(compiler_needs_object, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)= _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= _LT_TAGVAR(hardcode_libdir_separator, $1)= _LT_TAGVAR(hardcode_minus_L, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported _LT_TAGVAR(hardcode_automatic, $1)=no _LT_TAGVAR(inherit_rpath, $1)=no _LT_TAGVAR(module_cmds, $1)= _LT_TAGVAR(module_expsym_cmds, $1)= _LT_TAGVAR(link_all_deplibs, $1)=unknown _LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds _LT_TAGVAR(reload_flag, $1)=$reload_flag _LT_TAGVAR(reload_cmds, $1)=$reload_cmds _LT_TAGVAR(no_undefined_flag, $1)= _LT_TAGVAR(whole_archive_flag_spec, $1)= _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no # Source file extension for C++ test sources. ac_ext=cpp # Object file extension for compiled C++ test sources. objext=o _LT_TAGVAR(objext, $1)=$objext # No sense in running all these tests if we already determined that # the CXX compiler isn't working. Some variables (like enable_shared) # are currently assumed to apply to all compilers on this platform, # and will be corrupted by setting them based on a non-working compiler. if test yes != "$_lt_caught_CXX_error"; then # Code to be used in simple compile tests lt_simple_compile_test_code="int some_variable = 0;" # Code to be used in simple link tests lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' # ltmain only uses $CC for tagged configurations so make sure $CC is set. _LT_TAG_COMPILER # save warnings/boilerplate of simple test code _LT_COMPILER_BOILERPLATE _LT_LINKER_BOILERPLATE # Allow CC to be a program name with arguments. lt_save_CC=$CC lt_save_CFLAGS=$CFLAGS lt_save_LD=$LD lt_save_GCC=$GCC GCC=$GXX lt_save_with_gnu_ld=$with_gnu_ld lt_save_path_LD=$lt_cv_path_LD if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx else $as_unset lt_cv_prog_gnu_ld fi if test -n "${lt_cv_path_LDCXX+set}"; then lt_cv_path_LD=$lt_cv_path_LDCXX else $as_unset lt_cv_path_LD fi test -z "${LDCXX+set}" || LD=$LDCXX CC=${CXX-"c++"} CFLAGS=$CXXFLAGS compiler=$CC _LT_TAGVAR(compiler, $1)=$CC _LT_CC_BASENAME([$compiler]) if test -n "$compiler"; then # We don't want -fno-exception when compiling C++ code, so set the # no_builtin_flag separately if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' else _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= fi if test yes = "$GXX"; then # Set up default GNU C++ configuration LT_PATH_LD # Check if GNU C++ uses GNU ld as the underlying linker, since the # archiving commands below assume that GNU ld is being used. if test yes = "$with_gnu_ld"; then _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' # If archive_cmds runs LD, not CC, wlarc should be empty # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to # investigate it a little bit more. (MM) wlarc='$wl' # ancient GNU ld didn't support --whole-archive et. al. if eval "`$CC -print-prog-name=ld` --help 2>&1" | $GREP 'no-whole-archive' > /dev/null; then _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' else _LT_TAGVAR(whole_archive_flag_spec, $1)= fi else with_gnu_ld=no wlarc= # A generic and very simple default shared library creation # command for GNU C++ for the case where it uses the native # linker, instead of GNU ld. 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If -brtl is somewhere in LDFLAGS, we # have runtime linking enabled, and use it for executables. # For shared libraries, we enable/disable runtime linking # depending on the kind of the shared library created - # when "with_aix_soname,aix_use_runtimelinking" is: # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables # "aix,yes" lib.so shared, rtl:yes, for executables # lib.a static archive # "both,no" lib.so.V(shr.o) shared, rtl:yes # lib.a(lib.so.V) shared, rtl:no, for executables # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a(lib.so.V) shared, rtl:no # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables # lib.a static archive case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) for ld_flag in $LDFLAGS; do case $ld_flag in *-brtl*) aix_use_runtimelinking=yes break ;; esac done if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then # With aix-soname=svr4, we create the lib.so.V shared archives only, # so we don't have lib.a shared libs to link our executables. # We have to force runtime linking in this case. aix_use_runtimelinking=yes LDFLAGS="$LDFLAGS -Wl,-brtl" fi ;; esac exp_sym_flag='-bexport' no_entry_flag='-bnoentry' fi # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; 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*) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; 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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #define UNW_TARGET arm #define UNW_TARGET_ARM 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ /* FIXME for ARM. Too big? What do other things use for similar tasks? */ #define UNW_TDEP_CURSOR_LEN 4096 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; typedef long double unw_tdep_fpreg_t; typedef enum { UNW_ARM_R0, UNW_ARM_R1, UNW_ARM_R2, UNW_ARM_R3, UNW_ARM_R4, UNW_ARM_R5, UNW_ARM_R6, UNW_ARM_R7, UNW_ARM_R8, UNW_ARM_R9, UNW_ARM_R10, UNW_ARM_R11, UNW_ARM_R12, UNW_ARM_R13, UNW_ARM_R14, UNW_ARM_R15, /* VFPv2 s0-s31 (obsolescent numberings). */ UNW_ARM_S0 = 64, UNW_ARM_S1, UNW_ARM_S2, UNW_ARM_S3, UNW_ARM_S4, UNW_ARM_S5, UNW_ARM_S6, UNW_ARM_S7, UNW_ARM_S8, UNW_ARM_S9, UNW_ARM_S10, UNW_ARM_S11, UNW_ARM_S12, UNW_ARM_S13, UNW_ARM_S14, UNW_ARM_S15, UNW_ARM_S16, UNW_ARM_S17, UNW_ARM_S18, UNW_ARM_S19, UNW_ARM_S20, UNW_ARM_S21, UNW_ARM_S22, UNW_ARM_S23, UNW_ARM_S24, UNW_ARM_S25, UNW_ARM_S26, UNW_ARM_S27, UNW_ARM_S28, UNW_ARM_S29, UNW_ARM_S30, UNW_ARM_S31, /* FPA register numberings. */ UNW_ARM_F0 = 96, UNW_ARM_F1, UNW_ARM_F2, UNW_ARM_F3, UNW_ARM_F4, UNW_ARM_F5, UNW_ARM_F6, UNW_ARM_F7, /* iWMMXt GR register numberings. */ UNW_ARM_wCGR0 = 104, UNW_ARM_wCGR1, UNW_ARM_wCGR2, UNW_ARM_wCGR3, UNW_ARM_wCGR4, UNW_ARM_wCGR5, UNW_ARM_wCGR6, UNW_ARM_wCGR7, /* iWMMXt register numberings. */ UNW_ARM_wR0 = 112, UNW_ARM_wR1, UNW_ARM_wR2, UNW_ARM_wR3, UNW_ARM_wR4, UNW_ARM_wR5, UNW_ARM_wR6, UNW_ARM_wR7, UNW_ARM_wR8, UNW_ARM_wR9, UNW_ARM_wR10, UNW_ARM_wR11, UNW_ARM_wR12, UNW_ARM_wR13, UNW_ARM_wR14, UNW_ARM_wR15, /* Two-byte encodings from here on. */ /* SPSR. */ UNW_ARM_SPSR = 128, UNW_ARM_SPSR_FIQ, UNW_ARM_SPSR_IRQ, UNW_ARM_SPSR_ABT, UNW_ARM_SPSR_UND, UNW_ARM_SPSR_SVC, /* User mode registers. */ UNW_ARM_R8_USR = 144, UNW_ARM_R9_USR, UNW_ARM_R10_USR, UNW_ARM_R11_USR, UNW_ARM_R12_USR, UNW_ARM_R13_USR, UNW_ARM_R14_USR, /* FIQ registers. */ UNW_ARM_R8_FIQ = 151, UNW_ARM_R9_FIQ, UNW_ARM_R10_FIQ, UNW_ARM_R11_FIQ, UNW_ARM_R12_FIQ, UNW_ARM_R13_FIQ, UNW_ARM_R14_FIQ, /* IRQ registers. */ UNW_ARM_R13_IRQ = 158, UNW_ARM_R14_IRQ, /* ABT registers. */ UNW_ARM_R13_ABT = 160, UNW_ARM_R14_ABT, /* UND registers. */ UNW_ARM_R13_UND = 162, UNW_ARM_R14_UND, /* SVC registers. */ UNW_ARM_R13_SVC = 164, UNW_ARM_R14_SVC, /* iWMMXt control registers. */ UNW_ARM_wC0 = 192, UNW_ARM_wC1, UNW_ARM_wC2, UNW_ARM_wC3, UNW_ARM_wC4, UNW_ARM_wC5, UNW_ARM_wC6, UNW_ARM_wC7, /* VFPv3/Neon 64-bit registers. */ UNW_ARM_D0 = 256, UNW_ARM_D1, UNW_ARM_D2, UNW_ARM_D3, UNW_ARM_D4, UNW_ARM_D5, UNW_ARM_D6, UNW_ARM_D7, UNW_ARM_D8, UNW_ARM_D9, UNW_ARM_D10, UNW_ARM_D11, UNW_ARM_D12, UNW_ARM_D13, UNW_ARM_D14, UNW_ARM_D15, UNW_ARM_D16, UNW_ARM_D17, UNW_ARM_D18, UNW_ARM_D19, UNW_ARM_D20, UNW_ARM_D21, UNW_ARM_D22, UNW_ARM_D23, UNW_ARM_D24, UNW_ARM_D25, UNW_ARM_D26, UNW_ARM_D27, UNW_ARM_D28, UNW_ARM_D29, UNW_ARM_D30, UNW_ARM_D31, /* For ARM, the CFA is the value of SP (r13) at the call site in the previous frame. */ UNW_ARM_CFA, UNW_TDEP_LAST_REG = UNW_ARM_D31, UNW_TDEP_IP = UNW_ARM_R14, /* A little white lie. */ UNW_TDEP_SP = UNW_ARM_R13, UNW_TDEP_EH = UNW_ARM_R0 /* FIXME. */ } arm_regnum_t; #define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for ARM. */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On ARM, we define our own unw_tdep_context instead of using ucontext_t. This allows us to support systems that don't support getcontext and therefore do not define ucontext_t. */ typedef struct unw_tdep_context { unsigned long regs[16]; } unw_tdep_context_t; /* There is no getcontext() on ARM. Use a stub version which only saves GP registers. FIXME: Not ideal, may not be sufficient for all libunwind use cases. Stores pc+8, which is only approximately correct, really. */ #ifndef __thumb__ #define unw_tdep_getcontext(uc) (({ \ unw_tdep_context_t *unw_ctx = (uc); \ register unsigned long *unw_base __asm__ ("r0") = unw_ctx->regs; \ __asm__ __volatile__ ( \ "stmia %[base], {r0-r15}" \ : : [base] "r" (unw_base) : "memory"); \ }), 0) #else /* __thumb__ */ #define unw_tdep_getcontext(uc) (({ \ unw_tdep_context_t *unw_ctx = (uc); \ register unsigned long *unw_base __asm__ ("r0") = unw_ctx->regs; \ __asm__ __volatile__ ( \ ".align 2\nbx pc\nnop\n.code 32\n" \ "stmia %[base], {r0-r15}\n" \ "orr %[base], pc, #1\nbx %[base]\n" \ ".code 16\n" \ : [base] "+r" (unw_base) : : "memory", "cc"); \ }), 0) #endif #include "libunwind-dynamic.h" typedef struct { /* no arm-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/tdep-mips/0000755000175000017500000000000013640673450014046 500000000000000libunwind-1.3.2/include/tdep-mips/dwarf-config.h0000644000175000017500000000400613640667603016510 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* This is FIRST_PSEUDO_REGISTER in GCC, since DWARF_FRAME_REGISTERS is not explicitly defined. */ #define DWARF_NUM_PRESERVED_REGS 188 #define dwarf_to_unw_regnum(reg) (((reg) < 32) ? (reg) : 0) /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) ((addr_space)->big_endian) /* Return the size of an address, for DWARF purposes. */ #define dwarf_addr_size(addr_space) ((addr_space)->addr_size) /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-mips/jmpbuf.h0000644000175000017500000000247013406556425015427 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ /* FIXME for MIPS! */ #define JB_SP 4 #define JB_RP 5 #define JB_MASK_SAVED 6 #define JB_MASK 7 libunwind-1.3.2/include/tdep-mips/libunwind_i.h0000644000175000017500000002601013640667603016444 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef MIPS_LIBUNWIND_I_H #define MIPS_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #if !defined(UNW_REMOTE_ONLY) && _MIPS_SIM == _ABI64 # include "elf64.h" #else # include "elf32.h" #endif #include "mempool.h" #include "dwarf.h" typedef struct { /* no mips-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; int big_endian; mips_abi_t abi; unsigned int addr_size; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; #define tdep_big_endian(as) ((as)->big_endian) struct cursor { struct dwarf_cursor dwarf; /* must be first */ unw_word_t sigcontext_addr; }; #define DWARF_GET_LOC(l) ((l).val) #ifndef UNW_REMOTE_ONLY # if _MIPS_SIM == _ABIN32 typedef long long mips_reg_t; # else typedef long mips_reg_t; # endif #endif #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) /* FIXME: Implement these for the MIPS FPU. */ static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) (intptr_t) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) (intptr_t) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(mips_reg_t *) (intptr_t) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(mips_reg_t *) (intptr_t) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int read_s32 (struct dwarf_cursor *c, unw_word_t addr, unw_word_t *val) { int offset = addr & 4; int ret; unw_word_t memval; ret = (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 0, c->as_arg); if (ret < 0) return ret; if ((offset != 0) == tdep_big_endian (c->as)) *val = (int32_t) memval; else *val = (int32_t) (memval >> 32); return 0; } static inline int write_s32 (struct dwarf_cursor *c, unw_word_t addr, const unw_word_t *val) { int offset = addr & 4; int ret; unw_word_t memval; ret = (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 0, c->as_arg); if (ret < 0) return ret; if ((offset != 0) == tdep_big_endian (c->as)) memval = (memval & ~0xffffffffLL) | (uint32_t) *val; else memval = (memval & 0xffffffffLL) | (uint32_t) (*val << 32); return (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 1, c->as_arg); } /* FIXME: Implement these for the MIPS FPU. */ static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else if (c->as->abi == UNW_MIPS_ABI_O32) return read_s32 (c, DWARF_GET_LOC (loc), val); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else if (c->as->abi == UNW_MIPS_ABI_O32) return write_s32 (c, DWARF_GET_LOC (loc), &val); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #endif /* MIPS_LIBUNWIND_I_H */ libunwind-1.3.2/include/remote.h0000644000175000017500000000530413406755365013540 00000000000000#ifndef REMOTE_H #define REMOTE_H /* Helper functions for accessing (remote) memory. These functions assume that all addresses are naturally aligned (e.g., 32-bit quantity is stored at a 32-bit-aligned address. */ #ifdef UNW_LOCAL_ONLY static inline int fetch8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int8_t *valp, void *arg) { *valp = *(int8_t *) (uintptr_t) *addr; *addr += 1; return 0; } static inline int fetch16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int16_t *valp, void *arg) { *valp = *(int16_t *) (uintptr_t) *addr; *addr += 2; return 0; } static inline int fetch32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int32_t *valp, void *arg) { *valp = *(int32_t *) (uintptr_t) *addr; *addr += 4; return 0; } static inline int fetchw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *valp, void *arg) { *valp = *(unw_word_t *) (uintptr_t) *addr; *addr += sizeof (unw_word_t); return 0; } #else /* !UNW_LOCAL_ONLY */ #define WSIZE (sizeof (unw_word_t)) static inline int fetch8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int8_t *valp, void *arg) { unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr; int ret; *addr += 1; ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg); #if __BYTE_ORDER == __LITTLE_ENDIAN val >>= 8*off; #else val >>= 8*(WSIZE - 1 - off); #endif *valp = val & 0xff; return ret; } static inline int fetch16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int16_t *valp, void *arg) { unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr; int ret; if ((off & 0x1) != 0) return -UNW_EINVAL; *addr += 2; ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg); #if __BYTE_ORDER == __LITTLE_ENDIAN val >>= 8*off; #else val >>= 8*(WSIZE - 2 - off); #endif *valp = val & 0xffff; return ret; } static inline int fetch32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int32_t *valp, void *arg) { unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr; int ret; if ((off & 0x3) != 0) return -UNW_EINVAL; *addr += 4; ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg); #if __BYTE_ORDER == __LITTLE_ENDIAN val >>= 8*off; #else val >>= 8*(WSIZE - 4 - off); #endif *valp = val & 0xffffffff; return ret; } static inline int fetchw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *valp, void *arg) { int ret; ret = (*a->access_mem) (as, *addr, valp, 0, arg); *addr += WSIZE; return ret; } #endif /* !UNW_LOCAL_ONLY */ #endif /* REMOTE_H */ libunwind-1.3.2/include/libunwind-mips.h0000644000175000017500000001024113640667603015177 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #ifdef mips # undef mips #endif #define UNW_TARGET mips #define UNW_TARGET_MIPS 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ /* FIXME for MIPS. Too big? What do other things use for similar tasks? */ #define UNW_TDEP_CURSOR_LEN 4096 /* The size of a "word" varies on MIPS. This type is used for memory addresses and register values, which are 32-bit wide for O32 and N32 ABIs, and 64-bit wide for N64 ABI. */ #if _MIPS_SIM == _ABI64 typedef uint64_t unw_word_t; #else typedef uint32_t unw_word_t; #endif typedef int32_t unw_sword_t; /* FIXME: MIPS ABIs. */ typedef long double unw_tdep_fpreg_t; typedef enum { UNW_MIPS_R0, UNW_MIPS_R1, UNW_MIPS_R2, UNW_MIPS_R3, UNW_MIPS_R4, UNW_MIPS_R5, UNW_MIPS_R6, UNW_MIPS_R7, UNW_MIPS_R8, UNW_MIPS_R9, UNW_MIPS_R10, UNW_MIPS_R11, UNW_MIPS_R12, UNW_MIPS_R13, UNW_MIPS_R14, UNW_MIPS_R15, UNW_MIPS_R16, UNW_MIPS_R17, UNW_MIPS_R18, UNW_MIPS_R19, UNW_MIPS_R20, UNW_MIPS_R21, UNW_MIPS_R22, UNW_MIPS_R23, UNW_MIPS_R24, UNW_MIPS_R25, UNW_MIPS_R26, UNW_MIPS_R27, UNW_MIPS_R28, UNW_MIPS_R29, UNW_MIPS_R30, UNW_MIPS_R31, UNW_MIPS_PC = 34, /* FIXME: Other registers! */ /* For MIPS, the CFA is the value of SP (r29) at the call site in the previous frame. */ UNW_MIPS_CFA, UNW_TDEP_LAST_REG = UNW_MIPS_PC, UNW_TDEP_IP = UNW_MIPS_R31, UNW_TDEP_SP = UNW_MIPS_R29, UNW_TDEP_EH = UNW_MIPS_R0 /* FIXME. */ } mips_regnum_t; typedef enum { UNW_MIPS_ABI_O32, UNW_MIPS_ABI_N32, UNW_MIPS_ABI_N64 } mips_abi_t; #define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for MIPS. */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On x86, we can directly use ucontext_t as the unwind context. FIXME for MIPS. */ typedef ucontext_t unw_tdep_context_t; #include "libunwind-dynamic.h" typedef struct { /* no mips-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" /* There is no getcontext() on MIPS. Use a stub version which only saves GP registers. FIXME: Not ideal, may not be sufficient for all libunwind use cases. */ #define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) extern int unw_tdep_getcontext (ucontext_t *uc); #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind-ia64.h0000644000175000017500000001565413406556425015006 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #include #include #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #ifdef ia64 /* This works around a bug in Intel's ECC v7.0 which defines "ia64" as "1". */ # undef ia64 #endif #ifdef __hpux /* On HP-UX, there is no hope of supporting UNW_LOCAL_ONLY, because it's impossible to obtain the address of the members in the sigcontext structure. */ # undef UNW_LOCAL_ONLY # define UNW_GENERIC_ONLY #endif #define UNW_TARGET ia64 #define UNW_TARGET_IA64 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 511 /* If this bit is it indicates that the procedure saved all of ar.bsp, ar.bspstore, and ar.rnat. If, additionally, ar.bsp != saved ar.bsp, then this procedure has performed a register-backing-store switch. */ #define UNW_PI_FLAG_IA64_RBS_SWITCH_BIT (UNW_PI_FLAG_FIRST_TDEP_BIT + 0) #define UNW_PI_FLAG_IA64_RBS_SWITCH (1 << UNW_PI_FLAG_IA64_RBS_SWITCH_BIT) typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; /* On IA-64, we want to access the contents of floating-point registers as a pair of "words", but to ensure 16-byte alignment, we make it a union that contains a "long double". This will do the Right Thing on all known IA-64 platforms, including HP-UX. */ typedef union { struct { unw_word_t bits[2]; } raw; long double dummy; /* dummy to force 16-byte alignment */ } unw_tdep_fpreg_t; typedef struct { /* no ia64-specific auxiliary proc-info */ } unw_tdep_proc_info_t; typedef enum { /* Note: general registers are excepted to start with index 0. This convention facilitates architecture-independent implementation of the C++ exception handling ABI. See _Unwind_SetGR() and _Unwind_GetGR() for details. */ UNW_IA64_GR = 0, /* general registers (r0..r127) */ UNW_IA64_GP = UNW_IA64_GR + 1, UNW_IA64_TP = UNW_IA64_GR + 13, UNW_IA64_NAT = UNW_IA64_GR + 128, /* NaT registers (nat0..nat127) */ UNW_IA64_FR = UNW_IA64_NAT + 128, /* fp registers (f0..f127) */ UNW_IA64_AR = UNW_IA64_FR + 128, /* application registers (ar0..r127) */ UNW_IA64_AR_RSC = UNW_IA64_AR + 16, UNW_IA64_AR_BSP = UNW_IA64_AR + 17, UNW_IA64_AR_BSPSTORE = UNW_IA64_AR + 18, UNW_IA64_AR_RNAT = UNW_IA64_AR + 19, UNW_IA64_AR_CSD = UNW_IA64_AR + 25, UNW_IA64_AR_26 = UNW_IA64_AR + 26, UNW_IA64_AR_SSD = UNW_IA64_AR_26, UNW_IA64_AR_CCV = UNW_IA64_AR + 32, UNW_IA64_AR_UNAT = UNW_IA64_AR + 36, UNW_IA64_AR_FPSR = UNW_IA64_AR + 40, UNW_IA64_AR_PFS = UNW_IA64_AR + 64, UNW_IA64_AR_LC = UNW_IA64_AR + 65, UNW_IA64_AR_EC = UNW_IA64_AR + 66, UNW_IA64_BR = UNW_IA64_AR + 128, /* branch registers (b0..p7) */ UNW_IA64_RP = UNW_IA64_BR + 0, /* return pointer (rp) */ UNW_IA64_PR = UNW_IA64_BR + 8, /* predicate registers (p0..p63) */ UNW_IA64_CFM, /* frame info: */ UNW_IA64_BSP, UNW_IA64_IP, UNW_IA64_SP, UNW_TDEP_LAST_REG = UNW_IA64_SP, UNW_TDEP_IP = UNW_IA64_IP, UNW_TDEP_SP = UNW_IA64_SP, UNW_TDEP_EH = UNW_IA64_GR + 15 } ia64_regnum_t; #define UNW_TDEP_NUM_EH_REGS 4 /* r15-r18 are exception args */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. On IA-64, we use this to provide the bit number in which a NaT bit gets saved. */ uint8_t nat_bitnr; /* Padding reserved for future use. */ uint8_t reserved[7]; } unw_tdep_save_loc_t; /* On IA-64, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; #define unw_tdep_is_fpreg(r) ((unsigned) ((r) - UNW_IA64_FR) < 128) #include "libunwind-dynamic.h" #include "libunwind-common.h" #ifdef __hpux /* In theory, we could use _Uia64_getcontext() on HP-UX as well, but the benefit of doing so would be marginal given that it can't support UNW_LOCAL_ONLY. */ # define unw_tdep_getcontext getcontext #else # define unw_tdep_getcontext UNW_ARCH_OBJ (getcontext) extern int unw_tdep_getcontext (unw_tdep_context_t *); #endif /* This is a helper routine to search an ia64 unwind table. If the address-space argument AS points to something other than the local address-space, the memory for the unwind-info will be allocated with malloc(), and should be free()d during the put_unwind_info() callback. This routine is signal-safe for the local-address-space case ONLY. */ #define unw_search_ia64_unwind_table UNW_OBJ(search_unwind_table) extern int unw_search_ia64_unwind_table (unw_addr_space_t, unw_word_t, unw_dyn_info_t *, unw_proc_info_t *, int, void *); /* This is a helper routine which the get_dyn_info_list_addr() callback can use to locate the special dynamic-info list entry in an IA-64 unwind table. If the entry exists in the table, the list-address is returned. In all other cases, 0 is returned. */ extern unw_word_t _Uia64_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *, void *); /* This is a helper routine to obtain the kernel-unwind info. It is signal-safe. */ extern int _Uia64_get_kernel_table (unw_dyn_info_t *); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/mempool.h0000644000175000017500000000723113406556425013712 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef mempool_h #define mempool_h /* Memory pools provide simple memory management of fixed-size objects. Memory pools are used for two purposes: o To ensure a stack can be unwound even when a process is out of memory. o To ensure a stack can be unwound at any time in a multi-threaded process (e.g., even at a time when the normal malloc-lock is taken, possibly by the very thread that is being unwind). To achieve the second objective, memory pools allocate memory directly via mmap() system call (or an equivalent facility). The first objective is accomplished by reserving memory ahead of time. Since the memory requirements of stack unwinding generally depends on the complexity of the procedures being unwind, there is no absolute guarantee that unwinding will always work, but in practice, this should not be a serious problem. */ #include #include "libunwind_i.h" #define sos_alloc(s) UNWI_ARCH_OBJ(_sos_alloc)(s) #define mempool_init(p,s,r) UNWI_ARCH_OBJ(_mempool_init)(p,s,r) #define mempool_alloc(p) UNWI_ARCH_OBJ(_mempool_alloc)(p) #define mempool_free(p,o) UNWI_ARCH_OBJ(_mempool_free)(p,o) /* The mempool structure should be treated as an opaque object. It's declared here only to enable static allocation of mempools. */ struct mempool { pthread_mutex_t lock; size_t obj_size; /* object size (rounded up for alignment) */ size_t chunk_size; /* allocation granularity */ unsigned int reserve; /* minimum (desired) size of the free-list */ unsigned int num_free; /* number of objects on the free-list */ struct object { struct object *next; } *free_list; }; /* Emergency allocation for one-time stuff that doesn't fit the memory pool model. A limited amount of memory is available in this fashion and once allocated, there is no way to free it. */ extern void *sos_alloc (size_t size); /* Initialize POOL for an object size of OBJECT_SIZE bytes. RESERVE is the number of objects that should be reserved for use under tight memory situations. If it is zero, mempool attempts to pick a reasonable default value. */ extern void mempool_init (struct mempool *pool, size_t obj_size, size_t reserve); extern void *mempool_alloc (struct mempool *pool); extern void mempool_free (struct mempool *pool, void *object); #endif /* mempool_h */ libunwind-1.3.2/include/libunwind-x86.h0000644000175000017500000001432513406556425014662 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #include #define UNW_TARGET x86 #define UNW_TARGET_X86 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 127 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; typedef union { struct { uint8_t b[4]; } val32; struct { uint8_t b[10]; } val80; struct { uint8_t b[16]; } val128; } unw_tdep_fpreg_t; typedef enum { /* Note: general registers are expected to start with index 0. This convention facilitates architecture-independent implementation of the C++ exception handling ABI. See _Unwind_SetGR() and _Unwind_GetGR() for details. The described register usage convention is based on "System V Application Binary Interface, Intel386 Architecture Processor Supplement, Fourth Edition" at http://www.linuxbase.org/spec/refspecs/elf/abi386-4.pdf It would have been nice to use the same register numbering as DWARF, but that doesn't work because the libunwind requires that the exception argument registers be consecutive, which the wouldn't be with the DWARF numbering. */ UNW_X86_EAX, /* scratch (exception argument 1) */ UNW_X86_EDX, /* scratch (exception argument 2) */ UNW_X86_ECX, /* scratch */ UNW_X86_EBX, /* preserved */ UNW_X86_ESI, /* preserved */ UNW_X86_EDI, /* preserved */ UNW_X86_EBP, /* (optional) frame-register */ UNW_X86_ESP, /* (optional) frame-register */ UNW_X86_EIP, /* frame-register */ UNW_X86_EFLAGS, /* scratch (except for "direction", which is fixed */ UNW_X86_TRAPNO, /* scratch */ /* MMX/stacked-fp registers */ UNW_X86_ST0, /* fp return value */ UNW_X86_ST1, /* scratch */ UNW_X86_ST2, /* scratch */ UNW_X86_ST3, /* scratch */ UNW_X86_ST4, /* scratch */ UNW_X86_ST5, /* scratch */ UNW_X86_ST6, /* scratch */ UNW_X86_ST7, /* scratch */ UNW_X86_FCW, /* scratch */ UNW_X86_FSW, /* scratch */ UNW_X86_FTW, /* scratch */ UNW_X86_FOP, /* scratch */ UNW_X86_FCS, /* scratch */ UNW_X86_FIP, /* scratch */ UNW_X86_FEA, /* scratch */ UNW_X86_FDS, /* scratch */ /* SSE registers */ UNW_X86_XMM0_lo, /* scratch */ UNW_X86_XMM0_hi, /* scratch */ UNW_X86_XMM1_lo, /* scratch */ UNW_X86_XMM1_hi, /* scratch */ UNW_X86_XMM2_lo, /* scratch */ UNW_X86_XMM2_hi, /* scratch */ UNW_X86_XMM3_lo, /* scratch */ UNW_X86_XMM3_hi, /* scratch */ UNW_X86_XMM4_lo, /* scratch */ UNW_X86_XMM4_hi, /* scratch */ UNW_X86_XMM5_lo, /* scratch */ UNW_X86_XMM5_hi, /* scratch */ UNW_X86_XMM6_lo, /* scratch */ UNW_X86_XMM6_hi, /* scratch */ UNW_X86_XMM7_lo, /* scratch */ UNW_X86_XMM7_hi, /* scratch */ UNW_X86_MXCSR, /* scratch */ /* segment registers */ UNW_X86_GS, /* special */ UNW_X86_FS, /* special */ UNW_X86_ES, /* special */ UNW_X86_DS, /* special */ UNW_X86_SS, /* special */ UNW_X86_CS, /* special */ UNW_X86_TSS, /* special */ UNW_X86_LDT, /* special */ /* frame info (read-only) */ UNW_X86_CFA, UNW_X86_XMM0, /* scratch */ UNW_X86_XMM1, /* scratch */ UNW_X86_XMM2, /* scratch */ UNW_X86_XMM3, /* scratch */ UNW_X86_XMM4, /* scratch */ UNW_X86_XMM5, /* scratch */ UNW_X86_XMM6, /* scratch */ UNW_X86_XMM7, /* scratch */ UNW_TDEP_LAST_REG = UNW_X86_XMM7, UNW_TDEP_IP = UNW_X86_EIP, UNW_TDEP_SP = UNW_X86_ESP, UNW_TDEP_EH = UNW_X86_EAX } x86_regnum_t; #define UNW_TDEP_NUM_EH_REGS 2 /* eax and edx are exception args */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On x86, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; #include "libunwind-dynamic.h" typedef struct { /* no x86-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) extern int unw_tdep_getcontext (unw_tdep_context_t *); #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind.h.in0000644000175000017500000000163313640667603014643 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #ifndef UNW_REMOTE_ONLY #if defined __aarch64__ #include "libunwind-aarch64.h" #elif defined __arm__ # include "libunwind-arm.h" #elif defined __hppa__ # include "libunwind-hppa.h" #elif defined __ia64__ # include "libunwind-ia64.h" #elif defined __mips__ # include "libunwind-mips.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "libunwind-ppc32.h" #elif defined __powerpc64__ # include "libunwind-ppc64.h" #elif defined __sh__ # include "libunwind-sh.h" #elif defined __i386__ # include "libunwind-x86.h" #elif defined __x86_64__ # include "libunwind-x86_64.h" #elif defined __tilegx__ # include "libunwind-tilegx.h" #else # error "Unsupported arch" #endif #else /* UNW_REMOTE_ONLY */ # include "libunwind-@arch@.h" #endif /* UNW_REMOTE_ONLY */ libunwind-1.3.2/include/libunwind-ptrace.h0000644000175000017500000000522313406556425015510 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef libunwind_ptrace_h #define libunwind_ptrace_h #include #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif /* Helper routines which make it easy to use libunwind via ptrace(). They're available only if UNW_REMOTE_ONLY is _not_ defined and they aren't really part of the libunwind API. They are implemented in a archive library called libunwind-ptrace.a. */ extern void *_UPT_create (pid_t); extern void _UPT_destroy (void *); extern int _UPT_find_proc_info (unw_addr_space_t, unw_word_t, unw_proc_info_t *, int, void *); extern void _UPT_put_unwind_info (unw_addr_space_t, unw_proc_info_t *, void *); extern int _UPT_get_dyn_info_list_addr (unw_addr_space_t, unw_word_t *, void *); extern int _UPT_access_mem (unw_addr_space_t, unw_word_t, unw_word_t *, int, void *); extern int _UPT_access_reg (unw_addr_space_t, unw_regnum_t, unw_word_t *, int, void *); extern int _UPT_access_fpreg (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int, void *); extern int _UPT_get_proc_name (unw_addr_space_t, unw_word_t, char *, size_t, unw_word_t *, void *); extern int _UPT_resume (unw_addr_space_t, unw_cursor_t *, void *); extern unw_accessors_t _UPT_accessors; #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* libunwind_ptrace_h */ libunwind-1.3.2/include/libunwind-dynamic.h0000644000175000017500000002137213406556425015661 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file defines the runtime-support routines for dynamically generated code. Even though it is implemented as part of libunwind, it is logically separate from the interface to perform the actual unwinding. In particular, this interface is always used in the context of the unwind target, whereas the rest of the unwind API is used in context of the process that is doing the unwind (which may be a debugger running on another machine, for example). Note that the data-structures declared here server a dual purpose: when a program registers a dynamically generated procedure, it uses these structures directly. On the other hand, with remote-unwinding, the data-structures are read from the remote process's memory and translated into internalized versions. To facilitate remote-access, the following rules should be followed in declaring these structures: (1) Declare a member as a pointer only if the the information the member points to needs to be internalized as well (e.g., a string representing a procedure name should be declared as "const char *", but the instruction pointer should be declared as unw_word_t). (2) Provide sufficient padding to ensure that no implicit padding will be needed on any of the supported target architectures. For the time being, padding data structures with the assumption that sizeof (unw_word_t) == 8 should be sufficient. (Note: it's not impossible to internalize structures with internal padding, but it does make the process a bit harder). (3) Don't declare members that contain bitfields or floating-point values. (4) Don't declare members with enumeration types. Declare them as int32_t instead. */ typedef enum { UNW_DYN_STOP = 0, /* end-of-unwind-info marker */ UNW_DYN_SAVE_REG, /* save register to another register */ UNW_DYN_SPILL_FP_REL, /* frame-pointer-relative register spill */ UNW_DYN_SPILL_SP_REL, /* stack-pointer-relative register spill */ UNW_DYN_ADD, /* add constant value to a register */ UNW_DYN_POP_FRAMES, /* drop one or more stack frames */ UNW_DYN_LABEL_STATE, /* name the current state */ UNW_DYN_COPY_STATE, /* set the region's entry-state */ UNW_DYN_ALIAS /* get unwind info from an alias */ } unw_dyn_operation_t; typedef enum { UNW_INFO_FORMAT_DYNAMIC, /* unw_dyn_proc_info_t */ UNW_INFO_FORMAT_TABLE, /* unw_dyn_table_t */ UNW_INFO_FORMAT_REMOTE_TABLE, /* unw_dyn_remote_table_t */ UNW_INFO_FORMAT_ARM_EXIDX, /* ARM specific unwind info */ UNW_INFO_FORMAT_IP_OFFSET, /* Like UNW_INFO_FORMAT_REMOTE_TABLE, but table entries are considered relative to di->start_ip, rather than di->segbase */ } unw_dyn_info_format_t; typedef struct unw_dyn_op { int8_t tag; /* what operation? */ int8_t qp; /* qualifying predicate register */ int16_t reg; /* what register */ int32_t when; /* when does it take effect? */ unw_word_t val; /* auxiliary value */ } unw_dyn_op_t; typedef struct unw_dyn_region_info { struct unw_dyn_region_info *next; /* linked list of regions */ int32_t insn_count; /* region length (# of instructions) */ uint32_t op_count; /* length of op-array */ unw_dyn_op_t op[1]; /* variable-length op-array */ } unw_dyn_region_info_t; typedef struct unw_dyn_proc_info { unw_word_t name_ptr; /* address of human-readable procedure name */ unw_word_t handler; /* address of personality routine */ uint32_t flags; int32_t pad0; unw_dyn_region_info_t *regions; } unw_dyn_proc_info_t; typedef struct unw_dyn_table_info { unw_word_t name_ptr; /* addr. of table name (e.g., library name) */ unw_word_t segbase; /* segment base */ unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */ unw_word_t *table_data; } unw_dyn_table_info_t; typedef struct unw_dyn_remote_table_info { unw_word_t name_ptr; /* addr. of table name (e.g., library name) */ unw_word_t segbase; /* segment base */ unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */ unw_word_t table_data; } unw_dyn_remote_table_info_t; typedef struct unw_dyn_info { /* doubly-linked list of dyn-info structures: */ struct unw_dyn_info *next; struct unw_dyn_info *prev; unw_word_t start_ip; /* first IP covered by this entry */ unw_word_t end_ip; /* first IP NOT covered by this entry */ unw_word_t gp; /* global-pointer in effect for this entry */ int32_t format; /* real type: unw_dyn_info_format_t */ int32_t pad; union { unw_dyn_proc_info_t pi; unw_dyn_table_info_t ti; unw_dyn_remote_table_info_t rti; } u; } unw_dyn_info_t; typedef struct unw_dyn_info_list { uint32_t version; uint32_t generation; unw_dyn_info_t *first; } unw_dyn_info_list_t; /* Return the size (in bytes) of an unw_dyn_region_info_t structure that can hold OP_COUNT ops. */ #define _U_dyn_region_info_size(op_count) \ ((char *) (((unw_dyn_region_info_t *) NULL)->op + (op_count)) \ - (char *) NULL) /* Register the unwind info for a single procedure. This routine is NOT signal-safe. */ extern void _U_dyn_register (unw_dyn_info_t *); /* Cancel the unwind info for a single procedure. This routine is NOT signal-safe. */ extern void _U_dyn_cancel (unw_dyn_info_t *); /* Convenience routines. */ #define _U_dyn_op(_tag, _qp, _when, _reg, _val) \ ((unw_dyn_op_t) { (_tag), (_qp), (_reg), (_when), (_val) }) #define _U_dyn_op_save_reg(op, qp, when, reg, dst) \ (*(op) = _U_dyn_op (UNW_DYN_SAVE_REG, (qp), (when), (reg), (dst))) #define _U_dyn_op_spill_fp_rel(op, qp, when, reg, offset) \ (*(op) = _U_dyn_op (UNW_DYN_SPILL_FP_REL, (qp), (when), (reg), \ (offset))) #define _U_dyn_op_spill_sp_rel(op, qp, when, reg, offset) \ (*(op) = _U_dyn_op (UNW_DYN_SPILL_SP_REL, (qp), (when), (reg), \ (offset))) #define _U_dyn_op_add(op, qp, when, reg, value) \ (*(op) = _U_dyn_op (UNW_DYN_ADD, (qp), (when), (reg), (value))) #define _U_dyn_op_pop_frames(op, qp, when, num_frames) \ (*(op) = _U_dyn_op (UNW_DYN_POP_FRAMES, (qp), (when), 0, (num_frames))) #define _U_dyn_op_label_state(op, label) \ (*(op) = _U_dyn_op (UNW_DYN_LABEL_STATE, _U_QP_TRUE, -1, 0, (label))) #define _U_dyn_op_copy_state(op, label) \ (*(op) = _U_dyn_op (UNW_DYN_COPY_STATE, _U_QP_TRUE, -1, 0, (label))) #define _U_dyn_op_alias(op, qp, when, addr) \ (*(op) = _U_dyn_op (UNW_DYN_ALIAS, (qp), (when), 0, (addr))) #define _U_dyn_op_stop(op) \ (*(op) = _U_dyn_op (UNW_DYN_STOP, _U_QP_TRUE, -1, 0, 0)) /* The target-dependent qualifying predicate which is always TRUE. On IA-64, that's p0 (0), on non-predicated architectures, the value is ignored. */ #define _U_QP_TRUE _U_TDEP_QP_TRUE libunwind-1.3.2/include/libunwind-common.h.in0000644000175000017500000002646713640667603016145 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define UNW_VERSION_MAJOR @PKG_MAJOR@ #define UNW_VERSION_MINOR @PKG_MINOR@ #define UNW_VERSION_EXTRA @PKG_EXTRA@ #define UNW_VERSION_CODE(maj,min) (((maj) << 16) | (min)) #define UNW_VERSION UNW_VERSION_CODE(UNW_VERSION_MAJOR, UNW_VERSION_MINOR) #define UNW_PASTE2(x,y) x##y #define UNW_PASTE(x,y) UNW_PASTE2(x,y) #define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn) #define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn) #ifdef UNW_LOCAL_ONLY # define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_) #else /* !UNW_LOCAL_ONLY */ # define UNW_PREFIX UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_) #endif /* !UNW_LOCAL_ONLY */ /* Error codes. The unwind routines return the *negated* values of these error codes on error and a non-negative value on success. */ typedef enum { UNW_ESUCCESS = 0, /* no error */ UNW_EUNSPEC, /* unspecified (general) error */ UNW_ENOMEM, /* out of memory */ UNW_EBADREG, /* bad register number */ UNW_EREADONLYREG, /* attempt to write read-only register */ UNW_ESTOPUNWIND, /* stop unwinding */ UNW_EINVALIDIP, /* invalid IP */ UNW_EBADFRAME, /* bad frame */ UNW_EINVAL, /* unsupported operation or bad value */ UNW_EBADVERSION, /* unwind info has unsupported version */ UNW_ENOINFO /* no unwind info found */ } unw_error_t; /* The following enum defines the indices for a couple of (pseudo-)registers which have the same meaning across all platforms. (RO) means read-only. (RW) means read-write. General registers (aka "integer registers") are expected to start with index 0. The number of such registers is architecture-dependent. The remaining indices can be used as an architecture sees fit. The last valid register index is given by UNW_REG_LAST. */ typedef enum { UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */ UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */ UNW_REG_EH = UNW_TDEP_EH, /* (rw) exception-handling reg base */ UNW_REG_LAST = UNW_TDEP_LAST_REG } unw_frame_regnum_t; /* Number of exception-handler argument registers: */ #define UNW_NUM_EH_REGS UNW_TDEP_NUM_EH_REGS typedef enum { UNW_CACHE_NONE, /* no caching */ UNW_CACHE_GLOBAL, /* shared global cache */ UNW_CACHE_PER_THREAD /* per-thread caching */ } unw_caching_policy_t; typedef enum { UNW_INIT_SIGNAL_FRAME = 1, /* We know this is a signal frame */ } unw_init_local2_flags_t; typedef int unw_regnum_t; /* The unwind cursor starts at the youngest (most deeply nested) frame and is used to track the frame state as the unwinder steps from frame to frame. It is safe to make (shallow) copies of variables of this type. */ typedef struct unw_cursor { unw_word_t opaque[UNW_TDEP_CURSOR_LEN]; } unw_cursor_t; /* This type encapsulates the entire (preserved) machine-state. */ typedef unw_tdep_context_t unw_context_t; /* unw_getcontext() fills the unw_context_t pointed to by UC with the machine state as it exists at the call-site. For implementation reasons, this needs to be a target-dependent macro. It's easiest to think of unw_getcontext() as being identical to getcontext(). */ #define unw_getcontext(uc) unw_tdep_getcontext(uc) /* Return 1 if register number R is a floating-point register, zero otherwise. This routine is signal-safe. */ #define unw_is_fpreg(r) unw_tdep_is_fpreg(r) typedef unw_tdep_fpreg_t unw_fpreg_t; typedef struct unw_addr_space *unw_addr_space_t; /* Each target may define it's own set of flags, but bits 0-15 are reserved for general libunwind-use. */ #define UNW_PI_FLAG_FIRST_TDEP_BIT 16 /* The information comes from a .debug_frame section. */ #define UNW_PI_FLAG_DEBUG_FRAME 32 typedef struct unw_proc_info { unw_word_t start_ip; /* first IP covered by this procedure */ unw_word_t end_ip; /* first IP NOT covered by this procedure */ #if defined(NEED_LAST_IP) unw_word_t last_ip; /* first IP that could begin another procedure */ #endif unw_word_t lsda; /* address of lang.-spec. data area (if any) */ unw_word_t handler; /* optional personality routine */ unw_word_t gp; /* global-pointer value for this procedure */ unw_word_t flags; /* misc. flags */ int format; /* unwind-info format (arch-specific) */ int unwind_info_size; /* size of the information (if applicable) */ void *unwind_info; /* unwind-info (arch-specific) */ unw_tdep_proc_info_t extra; /* target-dependent auxiliary proc-info */ } unw_proc_info_t; typedef int (*unw_reg_states_callback)(void *token, void *reg_states_data, size_t reg_states_data_size, unw_word_t start_ip, unw_word_t end_ip); /* These are backend callback routines that provide access to the state of a "remote" process. This can be used, for example, to unwind another process through the ptrace() interface. */ typedef struct unw_accessors { /* Look up the unwind info associated with instruction-pointer IP. On success, the routine fills in the PROC_INFO structure. */ int (*find_proc_info) (unw_addr_space_t, unw_word_t, unw_proc_info_t *, int, void *); /* Release any resources (e.g., memory) that were allocated for the unwind info returned in by a previous call to find_proc_info() with NEED_UNWIND_INFO set to 1. */ void (*put_unwind_info) (unw_addr_space_t, unw_proc_info_t *, void *); /* Return the list-head of the dynamically registered unwind info. */ int (*get_dyn_info_list_addr) (unw_addr_space_t, unw_word_t *, void *); /* Access aligned word at address ADDR. The value is returned according to the endianness of the host (e.g., if the host is little-endian and the target is big-endian, access_mem() needs to byte-swap the value before returning it). */ int (*access_mem) (unw_addr_space_t, unw_word_t, unw_word_t *, int, void *); /* Access register number REG at address ADDR. */ int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int, void *); /* Access register number REG at address ADDR. */ int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int, void *); int (*resume) (unw_addr_space_t, unw_cursor_t *, void *); /* Optional call back to obtain the name of a (static) procedure. Dynamically generated procedures are handled automatically by libunwind. This callback is optional and may be set to NULL. */ int (*get_proc_name) (unw_addr_space_t, unw_word_t, char *, size_t, unw_word_t *, void *); } unw_accessors_t; typedef enum unw_save_loc_type { UNW_SLT_NONE, /* register is not saved ("not an l-value") */ UNW_SLT_MEMORY, /* register has been saved in memory */ UNW_SLT_REG /* register has been saved in (another) register */ } unw_save_loc_type_t; typedef struct unw_save_loc { unw_save_loc_type_t type; union { unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */ unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */ } u; unw_tdep_save_loc_t extra; /* target-dependent additional information */ } unw_save_loc_t; /* These routines work both for local and remote unwinding. */ #define unw_local_addr_space UNW_OBJ(local_addr_space) #define unw_create_addr_space UNW_OBJ(create_addr_space) #define unw_destroy_addr_space UNW_OBJ(destroy_addr_space) #define unw_get_accessors UNW_ARCH_OBJ(get_accessors) #define unw_get_accessors_int UNW_ARCH_OBJ(get_accessors_int) #define unw_init_local UNW_OBJ(init_local) #define unw_init_local2 UNW_OBJ(init_local2) #define unw_init_remote UNW_OBJ(init_remote) #define unw_step UNW_OBJ(step) #define unw_resume UNW_OBJ(resume) #define unw_get_proc_info UNW_OBJ(get_proc_info) #define unw_get_proc_info_by_ip UNW_OBJ(get_proc_info_by_ip) #define unw_reg_states_iterate UNW_OBJ(reg_states_iterate) #define unw_apply_reg_state UNW_OBJ(apply_reg_state) #define unw_get_reg UNW_OBJ(get_reg) #define unw_set_reg UNW_OBJ(set_reg) #define unw_get_fpreg UNW_OBJ(get_fpreg) #define unw_set_fpreg UNW_OBJ(set_fpreg) #define unw_get_save_loc UNW_OBJ(get_save_loc) #define unw_is_signal_frame UNW_OBJ(is_signal_frame) #define unw_handle_signal_frame UNW_OBJ(handle_signal_frame) #define unw_get_proc_name UNW_OBJ(get_proc_name) #define unw_set_caching_policy UNW_OBJ(set_caching_policy) #define unw_set_cache_size UNW_OBJ(set_cache_size) #define unw_regname UNW_ARCH_OBJ(regname) #define unw_flush_cache UNW_ARCH_OBJ(flush_cache) #define unw_strerror UNW_ARCH_OBJ(strerror) extern unw_addr_space_t unw_create_addr_space (unw_accessors_t *, int); extern void unw_destroy_addr_space (unw_addr_space_t); extern unw_accessors_t *unw_get_accessors (unw_addr_space_t); extern unw_accessors_t *unw_get_accessors_int (unw_addr_space_t); extern void unw_flush_cache (unw_addr_space_t, unw_word_t, unw_word_t); extern int unw_set_caching_policy (unw_addr_space_t, unw_caching_policy_t); extern int unw_set_cache_size (unw_addr_space_t, size_t, int); extern const char *unw_regname (unw_regnum_t); extern int unw_init_local (unw_cursor_t *, unw_context_t *); extern int unw_init_local2 (unw_cursor_t *, unw_context_t *, int); extern int unw_init_remote (unw_cursor_t *, unw_addr_space_t, void *); extern int unw_step (unw_cursor_t *); extern int unw_resume (unw_cursor_t *); extern int unw_get_proc_info (unw_cursor_t *, unw_proc_info_t *); extern int unw_get_proc_info_by_ip (unw_addr_space_t, unw_word_t, unw_proc_info_t *, void *); extern int unw_reg_states_iterate (unw_cursor_t *, unw_reg_states_callback, void *); extern int unw_apply_reg_state (unw_cursor_t *, void *); extern int unw_get_reg (unw_cursor_t *, int, unw_word_t *); extern int unw_set_reg (unw_cursor_t *, int, unw_word_t); extern int unw_get_fpreg (unw_cursor_t *, int, unw_fpreg_t *); extern int unw_set_fpreg (unw_cursor_t *, int, unw_fpreg_t); extern int unw_get_save_loc (unw_cursor_t *, int, unw_save_loc_t *); extern int unw_is_signal_frame (unw_cursor_t *); extern int unw_handle_signal_frame (unw_cursor_t *); extern int unw_get_proc_name (unw_cursor_t *, char *, size_t, unw_word_t *); extern const char *unw_strerror (int); extern int unw_backtrace (void **, int); extern unw_addr_space_t unw_local_addr_space; libunwind-1.3.2/include/dwarf.h0000644000175000017500000004503113640667603013346 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_h #define dwarf_h #include struct dwarf_cursor; /* forward-declaration */ struct elf_dyn_info; #include "dwarf-config.h" #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifndef UNW_REMOTE_ONLY #if defined(HAVE_LINK_H) #include #elif defined(HAVE_SYS_LINK_H) #include #else #error Could not find #endif #endif #include /* DWARF expression opcodes. */ typedef enum { DW_OP_addr = 0x03, DW_OP_deref = 0x06, DW_OP_const1u = 0x08, DW_OP_const1s = 0x09, DW_OP_const2u = 0x0a, DW_OP_const2s = 0x0b, DW_OP_const4u = 0x0c, DW_OP_const4s = 0x0d, DW_OP_const8u = 0x0e, DW_OP_const8s = 0x0f, DW_OP_constu = 0x10, DW_OP_consts = 0x11, DW_OP_dup = 0x12, DW_OP_drop = 0x13, DW_OP_over = 0x14, DW_OP_pick = 0x15, DW_OP_swap = 0x16, DW_OP_rot = 0x17, DW_OP_xderef = 0x18, DW_OP_abs = 0x19, DW_OP_and = 0x1a, DW_OP_div = 0x1b, DW_OP_minus = 0x1c, DW_OP_mod = 0x1d, DW_OP_mul = 0x1e, DW_OP_neg = 0x1f, DW_OP_not = 0x20, DW_OP_or = 0x21, DW_OP_plus = 0x22, DW_OP_plus_uconst = 0x23, DW_OP_shl = 0x24, DW_OP_shr = 0x25, DW_OP_shra = 0x26, DW_OP_xor = 0x27, DW_OP_skip = 0x2f, DW_OP_bra = 0x28, DW_OP_eq = 0x29, DW_OP_ge = 0x2a, DW_OP_gt = 0x2b, DW_OP_le = 0x2c, DW_OP_lt = 0x2d, DW_OP_ne = 0x2e, DW_OP_lit0 = 0x30, DW_OP_lit1, DW_OP_lit2, DW_OP_lit3, DW_OP_lit4, DW_OP_lit5, DW_OP_lit6, DW_OP_lit7, DW_OP_lit8, DW_OP_lit9, DW_OP_lit10, DW_OP_lit11, DW_OP_lit12, DW_OP_lit13, DW_OP_lit14, DW_OP_lit15, DW_OP_lit16, DW_OP_lit17, DW_OP_lit18, DW_OP_lit19, DW_OP_lit20, DW_OP_lit21, DW_OP_lit22, DW_OP_lit23, DW_OP_lit24, DW_OP_lit25, DW_OP_lit26, DW_OP_lit27, DW_OP_lit28, DW_OP_lit29, DW_OP_lit30, DW_OP_lit31, DW_OP_reg0 = 0x50, DW_OP_reg1, DW_OP_reg2, DW_OP_reg3, DW_OP_reg4, DW_OP_reg5, DW_OP_reg6, DW_OP_reg7, DW_OP_reg8, DW_OP_reg9, DW_OP_reg10, DW_OP_reg11, DW_OP_reg12, DW_OP_reg13, DW_OP_reg14, DW_OP_reg15, DW_OP_reg16, DW_OP_reg17, DW_OP_reg18, DW_OP_reg19, DW_OP_reg20, DW_OP_reg21, DW_OP_reg22, DW_OP_reg23, DW_OP_reg24, DW_OP_reg25, DW_OP_reg26, DW_OP_reg27, DW_OP_reg28, DW_OP_reg29, DW_OP_reg30, DW_OP_reg31, DW_OP_breg0 = 0x70, DW_OP_breg1, DW_OP_breg2, DW_OP_breg3, DW_OP_breg4, DW_OP_breg5, DW_OP_breg6, DW_OP_breg7, DW_OP_breg8, DW_OP_breg9, DW_OP_breg10, DW_OP_breg11, DW_OP_breg12, DW_OP_breg13, DW_OP_breg14, DW_OP_breg15, DW_OP_breg16, DW_OP_breg17, DW_OP_breg18, DW_OP_breg19, DW_OP_breg20, DW_OP_breg21, DW_OP_breg22, DW_OP_breg23, DW_OP_breg24, DW_OP_breg25, DW_OP_breg26, DW_OP_breg27, DW_OP_breg28, DW_OP_breg29, DW_OP_breg30, DW_OP_breg31, DW_OP_regx = 0x90, DW_OP_fbreg = 0x91, DW_OP_bregx = 0x92, DW_OP_piece = 0x93, DW_OP_deref_size = 0x94, DW_OP_xderef_size = 0x95, DW_OP_nop = 0x96, DW_OP_push_object_address = 0x97, DW_OP_call2 = 0x98, DW_OP_call4 = 0x99, DW_OP_call_ref = 0x9a, DW_OP_lo_user = 0xe0, DW_OP_hi_user = 0xff } dwarf_expr_op_t; #define DWARF_CIE_VERSION 3 #define DWARF_CIE_VERSION_MAX 4 #define DWARF_CFA_OPCODE_MASK 0xc0 #define DWARF_CFA_OPERAND_MASK 0x3f typedef enum { DW_CFA_advance_loc = 0x40, DW_CFA_offset = 0x80, DW_CFA_restore = 0xc0, DW_CFA_nop = 0x00, DW_CFA_set_loc = 0x01, DW_CFA_advance_loc1 = 0x02, DW_CFA_advance_loc2 = 0x03, DW_CFA_advance_loc4 = 0x04, DW_CFA_offset_extended = 0x05, DW_CFA_restore_extended = 0x06, DW_CFA_undefined = 0x07, DW_CFA_same_value = 0x08, DW_CFA_register = 0x09, DW_CFA_remember_state = 0x0a, DW_CFA_restore_state = 0x0b, DW_CFA_def_cfa = 0x0c, DW_CFA_def_cfa_register = 0x0d, DW_CFA_def_cfa_offset = 0x0e, DW_CFA_def_cfa_expression = 0x0f, DW_CFA_expression = 0x10, DW_CFA_offset_extended_sf = 0x11, DW_CFA_def_cfa_sf = 0x12, DW_CFA_def_cfa_offset_sf = 0x13, DW_CFA_val_expression = 0x16, DW_CFA_lo_user = 0x1c, DW_CFA_MIPS_advance_loc8 = 0x1d, DW_CFA_GNU_window_save = 0x2d, DW_CFA_GNU_args_size = 0x2e, DW_CFA_GNU_negative_offset_extended = 0x2f, DW_CFA_hi_user = 0x3c } dwarf_cfa_t; /* DWARF Pointer-Encoding (PEs). Pointer-Encodings were invented for the GCC exception-handling support for C++, but they represent a rather generic way of describing the format in which an address/pointer is stored and hence we include the definitions here, in the main dwarf.h file. The Pointer-Encoding format is partially documented in Linux Base Spec v1.3 (http://www.linuxbase.org/spec/). The rest is reverse engineered from GCC. */ #define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */ #define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */ /* Flag bit. If set, the resulting pointer is the address of the word that contains the final address. */ #define DW_EH_PE_indirect 0x80 /* Pointer-encoding formats: */ #define DW_EH_PE_omit 0xff #define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */ #define DW_EH_PE_uleb128 0x01 /* unsigned LE base-128 value */ #define DW_EH_PE_udata2 0x02 /* unsigned 16-bit value */ #define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */ #define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */ #define DW_EH_PE_sleb128 0x09 /* signed LE base-128 value */ #define DW_EH_PE_sdata2 0x0a /* signed 16-bit value */ #define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */ #define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */ /* Pointer-encoding application: */ #define DW_EH_PE_absptr 0x00 /* absolute value */ #define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */ #define DW_EH_PE_textrel 0x20 /* text-relative (GCC-specific???) */ #define DW_EH_PE_datarel 0x30 /* data-relative */ /* The following are not documented by LSB v1.3, yet they are used by GCC, presumably they aren't documented by LSB since they aren't used on Linux: */ #define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */ #define DW_EH_PE_aligned 0x50 /* aligned pointer */ extern struct mempool dwarf_reg_state_pool; extern struct mempool dwarf_cie_info_pool; typedef enum { DWARF_WHERE_UNDEF, /* register isn't saved at all */ DWARF_WHERE_SAME, /* register has same value as in prev. frame */ DWARF_WHERE_CFAREL, /* register saved at CFA-relative address */ DWARF_WHERE_REG, /* register saved in another register */ DWARF_WHERE_EXPR, /* register saved */ DWARF_WHERE_VAL_EXPR, /* register has computed value */ } dwarf_where_t; /* For uniformity, we'd like to treat the CFA save-location like any other register save-location, but this doesn't quite work, because the CFA can be expressed as a (REGISTER,OFFSET) pair. To handle this, we use two dwarf_save_loc structures to describe the CFA. The first one (CFA_REG_COLUMN), tells us where the CFA is saved. In the case of DWARF_WHERE_EXPR, the CFA is defined by a DWARF location expression whose address is given by member "val". In the case of DWARF_WHERE_REG, member "val" gives the number of the base-register and the "val" member of DWARF_CFA_OFF_COLUMN gives the offset value. */ #define DWARF_CFA_REG_COLUMN DWARF_NUM_PRESERVED_REGS #define DWARF_CFA_OFF_COLUMN (DWARF_NUM_PRESERVED_REGS + 1) typedef struct dwarf_reg_only_state { char where[DWARF_NUM_PRESERVED_REGS + 2]; /* how is the register saved? */ unw_word_t val[DWARF_NUM_PRESERVED_REGS + 2]; /* where it's saved */ } dwarf_reg_only_state_t; typedef struct dwarf_reg_state { unw_word_t ret_addr_column; /* which column in rule table represents return address */ dwarf_reg_only_state_t reg; } dwarf_reg_state_t; typedef struct dwarf_stackable_reg_state { struct dwarf_stackable_reg_state *next; /* for rs_stack */ dwarf_reg_state_t state; } dwarf_stackable_reg_state_t; typedef struct dwarf_reg_cache_entry { unw_word_t ip; /* ip this rs is for */ unsigned short coll_chain; /* used for hash collisions */ unsigned short hint; /* hint for next rs to try (or -1) */ unsigned short valid : 1; /* optional machine-dependent signal info */ unsigned short signal_frame : 1; /* optional machine-dependent signal info */ } dwarf_reg_cache_entry_t; typedef struct dwarf_cie_info { unw_word_t cie_instr_start; /* start addr. of CIE "initial_instructions" */ unw_word_t cie_instr_end; /* end addr. of CIE "initial_instructions" */ unw_word_t fde_instr_start; /* start addr. of FDE "instructions" */ unw_word_t fde_instr_end; /* end addr. of FDE "instructions" */ unw_word_t code_align; /* code-alignment factor */ unw_word_t data_align; /* data-alignment factor */ unw_word_t ret_addr_column; /* column of return-address register */ unw_word_t handler; /* address of personality-routine */ uint16_t abi; uint16_t tag; uint8_t fde_encoding; uint8_t lsda_encoding; unsigned int sized_augmentation : 1; unsigned int have_abi_marker : 1; unsigned int signal_frame : 1; } dwarf_cie_info_t; typedef struct dwarf_state_record { unsigned char fde_encoding; unw_word_t args_size; dwarf_reg_state_t rs_initial; /* reg-state after CIE instructions */ dwarf_reg_state_t rs_current; /* current reg-state */ } dwarf_state_record_t; typedef struct dwarf_cursor { void *as_arg; /* argument to address-space callbacks */ unw_addr_space_t as; /* reference to per-address-space info */ unw_word_t cfa; /* canonical frame address; aka frame-/stack-pointer */ unw_word_t ip; /* instruction pointer */ unw_word_t args_size; /* size of arguments */ unw_word_t eh_args[UNW_TDEP_NUM_EH_REGS]; unsigned int eh_valid_mask; dwarf_loc_t loc[DWARF_NUM_PRESERVED_REGS]; unsigned int stash_frames :1; /* stash frames for fast lookup */ unsigned int use_prev_instr :1; /* use previous (= call) or current (= signal) instruction? */ unsigned int pi_valid :1; /* is proc_info valid? */ unsigned int pi_is_dynamic :1; /* proc_info found via dynamic proc info? */ unw_proc_info_t pi; /* info about current procedure */ short hint; /* faster lookup of the rs cache */ short prev_rs; } dwarf_cursor_t; #define DWARF_DEFAULT_LOG_UNW_CACHE_SIZE 7 #define DWARF_DEFAULT_UNW_CACHE_SIZE (1 << DWARF_DEFAULT_LOG_UNW_CACHE_SIZE) #define DWARF_DEFAULT_LOG_UNW_HASH_SIZE (DWARF_DEFAULT_LOG_UNW_CACHE_SIZE + 1) #define DWARF_DEFAULT_UNW_HASH_SIZE (1 << DWARF_DEFAULT_LOG_UNW_HASH_SIZE) typedef unsigned char unw_hash_index_t; struct dwarf_rs_cache { pthread_mutex_t lock; unsigned short rr_head; /* index of least-recently allocated rs */ unsigned short log_size; unsigned short prev_log_size; /* hash table that maps instruction pointer to rs index: */ unsigned short *hash; uint32_t generation; /* generation number */ /* rs cache: */ dwarf_reg_state_t *buckets; dwarf_reg_cache_entry_t *links; /* default memory, loaded in BSS segment */ unsigned short default_hash[DWARF_DEFAULT_UNW_HASH_SIZE]; dwarf_reg_state_t default_buckets[DWARF_DEFAULT_UNW_CACHE_SIZE]; dwarf_reg_cache_entry_t default_links[DWARF_DEFAULT_UNW_CACHE_SIZE]; }; /* A list of descriptors for loaded .debug_frame sections. */ struct unw_debug_frame_list { /* The start (inclusive) and end (exclusive) of the described region. */ unw_word_t start; unw_word_t end; /* The debug frame itself. */ char *debug_frame; size_t debug_frame_size; /* Index (for binary search). */ struct table_entry *index; size_t index_size; /* Pointer to next descriptor. */ struct unw_debug_frame_list *next; }; /* Convenience macros: */ #define dwarf_init UNW_ARCH_OBJ (dwarf_init) #define dwarf_callback UNW_OBJ (dwarf_callback) #define dwarf_find_proc_info UNW_OBJ (dwarf_find_proc_info) #define dwarf_find_debug_frame UNW_OBJ (dwarf_find_debug_frame) #define dwarf_search_unwind_table UNW_OBJ (dwarf_search_unwind_table) #define dwarf_find_unwind_table UNW_OBJ (dwarf_find_unwind_table) #define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info) #define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info) #define dwarf_eval_expr UNW_OBJ (dwarf_eval_expr) #define dwarf_stack_aligned UNW_OBJ (dwarf_stack_aligned) #define dwarf_extract_proc_info_from_fde \ UNW_OBJ (dwarf_extract_proc_info_from_fde) #define dwarf_find_save_locs UNW_OBJ (dwarf_find_save_locs) #define dwarf_make_proc_info UNW_OBJ (dwarf_make_proc_info) #define dwarf_apply_reg_state UNW_OBJ (dwarf_apply_reg_state) #define dwarf_reg_states_iterate UNW_OBJ (dwarf_reg_states_iterate) #define dwarf_read_encoded_pointer UNW_OBJ (dwarf_read_encoded_pointer) #define dwarf_step UNW_OBJ (dwarf_step) #define dwarf_flush_rs_cache UNW_OBJ (dwarf_flush_rs_cache) extern int dwarf_init (void); #ifndef UNW_REMOTE_ONLY extern int dwarf_callback (struct dl_phdr_info *info, size_t size, void *ptr); extern int dwarf_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg); #endif /* !UNW_REMOTE_ONLY */ extern int dwarf_find_debug_frame (int found, unw_dyn_info_t *di_debug, unw_word_t ip, unw_word_t segbase, const char* obj_name, unw_word_t start, unw_word_t end); extern int dwarf_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern int dwarf_find_unwind_table (struct elf_dyn_info *edi, unw_addr_space_t as, char *path, unw_word_t segbase, unw_word_t mapoff, unw_word_t ip); extern void dwarf_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg); extern int dwarf_eval_expr (struct dwarf_cursor *c, unw_word_t *addr, unw_word_t len, unw_word_t *valp, int *is_register); extern int dwarf_stack_aligned(struct dwarf_cursor *c, unw_word_t cfa_addr, unw_word_t rbp_addr, unw_word_t *offset); extern int dwarf_extract_proc_info_from_fde (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *fde_addr, unw_proc_info_t *pi, unw_word_t base, int need_unwind_info, int is_debug_frame, void *arg); extern int dwarf_find_save_locs (struct dwarf_cursor *c); extern int dwarf_make_proc_info (struct dwarf_cursor *c); extern int dwarf_apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs); extern int dwarf_reg_states_iterate (struct dwarf_cursor *c, unw_reg_states_callback cb, void *token); extern int dwarf_read_encoded_pointer (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unsigned char encoding, const unw_proc_info_t *pi, unw_word_t *valp, void *arg); extern int dwarf_step (struct dwarf_cursor *c); extern int dwarf_flush_rs_cache (struct dwarf_rs_cache *cache); #endif /* dwarf_h */ libunwind-1.3.2/include/config.h.in0000644000175000017500000001470213640673440014112 00000000000000/* include/config.h.in. Generated from configure.ac by autoheader. */ /* Block signals before mutex operations */ #undef CONFIG_BLOCK_SIGNALS /* Enable Debug Frame */ #undef CONFIG_DEBUG_FRAME /* Support for Microsoft ABI extensions */ #undef CONFIG_MSABI_SUPPORT /* Define to 1 if you want every memory access validated */ #undef CONSERVATIVE_CHECKS /* Define to 1 if you have the header file. */ #undef HAVE_ASM_PTRACE_OFFSETS_H /* Define to 1 if you have the header file. */ #undef HAVE_ATOMIC_OPS_H /* Define to 1 if you have the header file. */ #undef HAVE_BYTESWAP_H /* Define to 1 if you have the declaration of `PTRACE_CONT', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_CONT /* Define to 1 if you have the declaration of `PTRACE_POKEDATA', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_POKEDATA /* Define to 1 if you have the declaration of `PTRACE_POKEUSER', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_POKEUSER /* Define to 1 if you have the declaration of `PTRACE_SETREGSET', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_SETREGSET /* Define to 1 if you have the declaration of `PTRACE_SINGLESTEP', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_SINGLESTEP /* Define to 1 if you have the declaration of `PTRACE_SYSCALL', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_SYSCALL /* Define to 1 if you have the declaration of `PTRACE_TRACEME', and to 0 if you don't. */ #undef HAVE_DECL_PTRACE_TRACEME /* Define to 1 if you have the declaration of `PT_CONTINUE', and to 0 if you don't. */ #undef HAVE_DECL_PT_CONTINUE /* Define to 1 if you have the declaration of `PT_GETFPREGS', and to 0 if you don't. */ #undef HAVE_DECL_PT_GETFPREGS /* Define to 1 if you have the declaration of `PT_GETREGS', and to 0 if you don't. */ #undef HAVE_DECL_PT_GETREGS /* Define to 1 if you have the declaration of `PT_IO', and to 0 if you don't. */ #undef HAVE_DECL_PT_IO /* Define to 1 if you have the declaration of `PT_STEP', and to 0 if you don't. */ #undef HAVE_DECL_PT_STEP /* Define to 1 if you have the declaration of `PT_SYSCALL', and to 0 if you don't. */ #undef HAVE_DECL_PT_SYSCALL /* Define to 1 if you have the declaration of `PT_TRACE_ME', and to 0 if you don't. */ #undef HAVE_DECL_PT_TRACE_ME /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the `dlmodinfo' function. */ #undef HAVE_DLMODINFO /* Define to 1 if you have the `dl_iterate_phdr' function. */ #undef HAVE_DL_ITERATE_PHDR /* Define to 1 if you have the `dl_phdr_removals_counter' function. */ #undef HAVE_DL_PHDR_REMOVALS_COUNTER /* Define to 1 if you have the header file. */ #undef HAVE_ELF_H /* Define to 1 if you have the header file. */ #undef HAVE_ENDIAN_H /* Define to 1 if you have the header file. */ #undef HAVE_EXECINFO_H /* Define to 1 if you have the `getunwind' function. */ #undef HAVE_GETUNWIND /* Define to 1 if you have the header file. */ #undef HAVE_IA64INTRIN_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `uca' library (-luca). */ #undef HAVE_LIBUCA /* Define to 1 if you have the header file. */ #undef HAVE_LINK_H /* Define if you have liblzma */ #undef HAVE_LZMA /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the `mincore' function. */ #undef HAVE_MINCORE /* Define to 1 if you have the header file. */ #undef HAVE_SIGNAL_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if `dlpi_subs' is a member of `struct dl_phdr_info'. */ #undef HAVE_STRUCT_DL_PHDR_INFO_DLPI_SUBS /* Define to 1 if the system has the type `struct elf_prstatus'. */ #undef HAVE_STRUCT_ELF_PRSTATUS /* Define to 1 if the system has the type `struct prstatus'. */ #undef HAVE_STRUCT_PRSTATUS /* Defined if __sync atomics are available */ #undef HAVE_SYNC_ATOMICS /* Define to 1 if you have the header file. */ #undef HAVE_SYS_ELF_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_ENDIAN_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_LINK_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_PROCFS_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_PTRACE_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_UC_ACCESS_H /* Define to 1 if you have the `ttrace' function. */ #undef HAVE_TTRACE /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Defined if __builtin_unreachable() is available */ #undef HAVE__BUILTIN_UNREACHABLE /* Defined if __builtin___clear_cache() is available */ #undef HAVE__BUILTIN___CLEAR_CACHE /* Define to 1 if __thread keyword is supported by the C compiler. */ #undef HAVE___THREAD /* Define to the sub-directory where libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* The size of `off_t', as computed by sizeof. */ #undef SIZEOF_OFF_T /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline #endif /* Define to `unsigned int' if does not define. */ #undef size_t libunwind-1.3.2/include/tdep-ppc32/0000755000175000017500000000000013640673450014025 500000000000000libunwind-1.3.2/include/tdep-ppc32/dwarf-config.h0000644000175000017500000000410013406556425016461 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* For PPC64, 48 GPRs + 33 FPRs + 33 AltiVec + 1 SPE */ #define DWARF_NUM_PRESERVED_REGS 115 #define DWARF_REGNUM_MAP_LENGTH 115 /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 1 /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see X86_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-ppc32/jmpbuf.h0000644000175000017500000000314713406556425015410 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ #define JB_SP 6 #define JB_RP 7 #define JB_MASK_SAVED 8 #define JB_MASK 9 libunwind-1.3.2/include/tdep-ppc32/libunwind_i.h0000644000175000017500000002640713406755365016440 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef PPC32_LIBUNWIND_I_H #define PPC32_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf32.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no ppc32-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; int validate; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ /* Format of sigcontext structure and address at which it is stored: */ enum { PPC_SCF_NONE, /* no signal frame encountered */ PPC_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */ } sigcontext_format; unw_word_t sigcontext_addr; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_IS_FP_LOC(l) 0 # define DWARF_IS_V_LOC(l) 0 # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_VREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_LOC_TYPE_V (1 << 2) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_IS_V_LOC(l) (((l).type & DWARF_LOC_TYPE_V) != 0) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) # define DWARF_VREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_V)) #endif /* !UNW_LOCAL_ONLY */ static inline int dwarf_getvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) { unw_word_t *valp = (unw_word_t *) val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_V_LOC (loc)); assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 0, c->as_arg); } static inline int dwarf_putvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { unw_word_t *valp = (unw_word_t *) & val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_V_LOC (loc)); assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 1, c->as_arg); } static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) { unw_word_t *valp = (unw_word_t *) val; unw_word_t addr; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { unw_word_t *valp = (unw_word_t *) & val; unw_word_t addr; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t * val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #define tdep_get_func_addr UNW_OBJ(get_func_addr) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif extern int tdep_fetch_proc_info_post (struct dwarf_cursor *c, unw_word_t ip, int need_unwind_info); #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) 1 extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t * di, unw_proc_info_t * pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t * uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t * valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t * valp, int write); extern int tdep_get_func_addr (unw_addr_space_t as, unw_word_t addr, unw_word_t *entry_point); #endif /* PPC64_LIBUNWIND_I_H */ libunwind-1.3.2/include/libunwind-ppc32.h0000644000175000017500000001324213406556425015161 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #define UNW_TARGET ppc32 #define UNW_TARGET_PPC32 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* * This needs to be big enough to accommodate "struct cursor", while * leaving some slack for future expansion. Changing this value will * require recompiling all users of this library. Stack allocation is * relatively cheap and unwind-state copying is relatively rare, so we want * to err on making it rather too big than too small. * * To simplify this whole process, we are at least initially taking the * tack that UNW_PPC32_* map straight across to the .eh_frame column register * numbers. These register numbers come from gcc's source in * gcc/config/rs6000/rs6000.h * * UNW_TDEP_CURSOR_LEN is in terms of unw_word_t size. Since we have 115 * elements in the loc array, each sized 2 * unw_word_t, plus the rest of * the cursor struct, this puts us at about 2 * 115 + 40 = 270. Let's * round that up to 280. */ #define UNW_TDEP_CURSOR_LEN 280 #if __WORDSIZE==32 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; #else typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; #endif typedef long double unw_tdep_fpreg_t; typedef enum { UNW_PPC32_R0, UNW_PPC32_R1, /* called STACK_POINTER in gcc */ UNW_PPC32_R2, UNW_PPC32_R3, UNW_PPC32_R4, UNW_PPC32_R5, UNW_PPC32_R6, UNW_PPC32_R7, UNW_PPC32_R8, UNW_PPC32_R9, UNW_PPC32_R10, UNW_PPC32_R11, /* called STATIC_CHAIN in gcc */ UNW_PPC32_R12, UNW_PPC32_R13, UNW_PPC32_R14, UNW_PPC32_R15, UNW_PPC32_R16, UNW_PPC32_R17, UNW_PPC32_R18, UNW_PPC32_R19, UNW_PPC32_R20, UNW_PPC32_R21, UNW_PPC32_R22, UNW_PPC32_R23, UNW_PPC32_R24, UNW_PPC32_R25, UNW_PPC32_R26, UNW_PPC32_R27, UNW_PPC32_R28, UNW_PPC32_R29, UNW_PPC32_R30, UNW_PPC32_R31, /* called HARD_FRAME_POINTER in gcc */ /* Count Register */ UNW_PPC32_CTR = 32, /* Fixed-Point Status and Control Register */ UNW_PPC32_XER = 33, /* Condition Register */ UNW_PPC32_CCR = 34, /* Machine State Register */ //UNW_PPC32_MSR = 35, /* MQ or SPR0, not part of generic Power, part of MPC601 */ //UNW_PPC32_MQ = 36, /* Link Register */ UNW_PPC32_LR = 36, /* Floating Pointer Status and Control Register */ UNW_PPC32_FPSCR = 37, UNW_PPC32_F0 = 48, UNW_PPC32_F1, UNW_PPC32_F2, UNW_PPC32_F3, UNW_PPC32_F4, UNW_PPC32_F5, UNW_PPC32_F6, UNW_PPC32_F7, UNW_PPC32_F8, UNW_PPC32_F9, UNW_PPC32_F10, UNW_PPC32_F11, UNW_PPC32_F12, UNW_PPC32_F13, UNW_PPC32_F14, UNW_PPC32_F15, UNW_PPC32_F16, UNW_PPC32_F17, UNW_PPC32_F18, UNW_PPC32_F19, UNW_PPC32_F20, UNW_PPC32_F21, UNW_PPC32_F22, UNW_PPC32_F23, UNW_PPC32_F24, UNW_PPC32_F25, UNW_PPC32_F26, UNW_PPC32_F27, UNW_PPC32_F28, UNW_PPC32_F29, UNW_PPC32_F30, UNW_PPC32_F31, UNW_TDEP_LAST_REG = UNW_PPC32_F31, UNW_TDEP_IP = UNW_PPC32_LR, UNW_TDEP_SP = UNW_PPC32_R1, UNW_TDEP_EH = UNW_PPC32_R12 } ppc32_regnum_t; /* * According to David Edelsohn, GNU gcc uses R3, R4, R5, and maybe R6 for * passing parameters to exception handlers. */ #define UNW_TDEP_NUM_EH_REGS 4 typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On ppc, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; /* XXX this is not ideal: an application should not be prevented from using the "getcontext" name just because it's using libunwind. We can't just use __getcontext() either, because that isn't exported by glibc... */ #define unw_tdep_getcontext(uc) (getcontext (uc), 0) #include "libunwind-dynamic.h" typedef struct { /* no ppc32-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind-ppc64.h0000644000175000017500000001553513406556425015175 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #define UNW_TARGET ppc64 #define UNW_TARGET_PPC64 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* * This needs to be big enough to accommodate "struct cursor", while * leaving some slack for future expansion. Changing this value will * require recompiling all users of this library. Stack allocation is * relatively cheap and unwind-state copying is relatively rare, so we want * to err on making it rather too big than too small. * * To simplify this whole process, we are at least initially taking the * tack that UNW_PPC64_* map straight across to the .eh_frame column register * numbers. These register numbers come from gcc's source in * gcc/config/rs6000/rs6000.h * * UNW_TDEP_CURSOR_LEN is in terms of unw_word_t size. Since we have 115 * elements in the loc array, each sized 2 * unw_word_t, plus the rest of * the cursor struct, this puts us at about 2 * 115 + 40 = 270. Let's * round that up to 280. */ #define UNW_TDEP_CURSOR_LEN 280 #if __WORDSIZE==32 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; #else typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; #endif typedef long double unw_tdep_fpreg_t; /* * Vector register (in PowerPC64 used for AltiVec registers) */ typedef struct { uint64_t halves[2]; } unw_tdep_vreg_t; typedef enum { UNW_PPC64_R0, UNW_PPC64_R1, /* called STACK_POINTER in gcc */ UNW_PPC64_R2, UNW_PPC64_R3, UNW_PPC64_R4, UNW_PPC64_R5, UNW_PPC64_R6, UNW_PPC64_R7, UNW_PPC64_R8, UNW_PPC64_R9, UNW_PPC64_R10, UNW_PPC64_R11, /* called STATIC_CHAIN in gcc */ UNW_PPC64_R12, UNW_PPC64_R13, UNW_PPC64_R14, UNW_PPC64_R15, UNW_PPC64_R16, UNW_PPC64_R17, UNW_PPC64_R18, UNW_PPC64_R19, UNW_PPC64_R20, UNW_PPC64_R21, UNW_PPC64_R22, UNW_PPC64_R23, UNW_PPC64_R24, UNW_PPC64_R25, UNW_PPC64_R26, UNW_PPC64_R27, UNW_PPC64_R28, UNW_PPC64_R29, UNW_PPC64_R30, UNW_PPC64_R31, /* called HARD_FRAME_POINTER in gcc */ UNW_PPC64_F0 = 32, UNW_PPC64_F1, UNW_PPC64_F2, UNW_PPC64_F3, UNW_PPC64_F4, UNW_PPC64_F5, UNW_PPC64_F6, UNW_PPC64_F7, UNW_PPC64_F8, UNW_PPC64_F9, UNW_PPC64_F10, UNW_PPC64_F11, UNW_PPC64_F12, UNW_PPC64_F13, UNW_PPC64_F14, UNW_PPC64_F15, UNW_PPC64_F16, UNW_PPC64_F17, UNW_PPC64_F18, UNW_PPC64_F19, UNW_PPC64_F20, UNW_PPC64_F21, UNW_PPC64_F22, UNW_PPC64_F23, UNW_PPC64_F24, UNW_PPC64_F25, UNW_PPC64_F26, UNW_PPC64_F27, UNW_PPC64_F28, UNW_PPC64_F29, UNW_PPC64_F30, UNW_PPC64_F31, /* Note that there doesn't appear to be an .eh_frame register column for the FPSCR register. I don't know why this is. Since .eh_frame info is what this implementation uses for unwinding, we have no way to unwind this register, and so we will not expose an FPSCR register number in the libunwind API. */ UNW_PPC64_LR = 65, UNW_PPC64_CTR = 66, UNW_PPC64_ARG_POINTER = 67, UNW_PPC64_CR0 = 68, UNW_PPC64_CR1, UNW_PPC64_CR2, UNW_PPC64_CR3, UNW_PPC64_CR4, /* CR5 .. CR7 are currently unused */ UNW_PPC64_CR5, UNW_PPC64_CR6, UNW_PPC64_CR7, UNW_PPC64_XER = 76, UNW_PPC64_V0 = 77, UNW_PPC64_V1, UNW_PPC64_V2, UNW_PPC64_V3, UNW_PPC64_V4, UNW_PPC64_V5, UNW_PPC64_V6, UNW_PPC64_V7, UNW_PPC64_V8, UNW_PPC64_V9, UNW_PPC64_V10, UNW_PPC64_V11, UNW_PPC64_V12, UNW_PPC64_V13, UNW_PPC64_V14, UNW_PPC64_V15, UNW_PPC64_V16, UNW_PPC64_V17, UNW_PPC64_V18, UNW_PPC64_V19, UNW_PPC64_V20, UNW_PPC64_V21, UNW_PPC64_V22, UNW_PPC64_V23, UNW_PPC64_V24, UNW_PPC64_V25, UNW_PPC64_V26, UNW_PPC64_V27, UNW_PPC64_V28, UNW_PPC64_V29, UNW_PPC64_V30, UNW_PPC64_V31, UNW_PPC64_VRSAVE = 109, UNW_PPC64_VSCR = 110, UNW_PPC64_SPE_ACC = 111, UNW_PPC64_SPEFSCR = 112, /* frame info (read-only) */ UNW_PPC64_FRAME_POINTER, UNW_PPC64_NIP, UNW_TDEP_LAST_REG = UNW_PPC64_NIP, UNW_TDEP_IP = UNW_PPC64_NIP, UNW_TDEP_SP = UNW_PPC64_R1, UNW_TDEP_EH = UNW_PPC64_R12 } ppc64_regnum_t; typedef enum { UNW_PPC64_ABI_ELFv1, UNW_PPC64_ABI_ELFv2 } ppc64_abi_t; /* * According to David Edelsohn, GNU gcc uses R3, R4, R5, and maybe R6 for * passing parameters to exception handlers. */ #define UNW_TDEP_NUM_EH_REGS 4 typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On ppc64, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; /* XXX this is not ideal: an application should not be prevented from using the "getcontext" name just because it's using libunwind. We can't just use __getcontext() either, because that isn't exported by glibc... */ #define unw_tdep_getcontext(uc) (getcontext (uc), 0) #include "libunwind-dynamic.h" typedef struct { /* no ppc64-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind-tilegx.h0000644000175000017500000001000513406556425015520 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #define UNW_TARGET tilegx #define UNW_TARGET_TILEGX 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 4096 /* The size of a "word" varies on TILEGX. This type is used for memory addresses and register values. */ typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; typedef long double unw_tdep_fpreg_t; typedef enum { UNW_TILEGX_R0, UNW_TILEGX_R1, UNW_TILEGX_R2, UNW_TILEGX_R3, UNW_TILEGX_R4, UNW_TILEGX_R5, UNW_TILEGX_R6, UNW_TILEGX_R7, UNW_TILEGX_R8, UNW_TILEGX_R9, UNW_TILEGX_R10, UNW_TILEGX_R11, UNW_TILEGX_R12, UNW_TILEGX_R13, UNW_TILEGX_R14, UNW_TILEGX_R15, UNW_TILEGX_R16, UNW_TILEGX_R17, UNW_TILEGX_R18, UNW_TILEGX_R19, UNW_TILEGX_R20, UNW_TILEGX_R21, UNW_TILEGX_R22, UNW_TILEGX_R23, UNW_TILEGX_R24, UNW_TILEGX_R25, UNW_TILEGX_R26, UNW_TILEGX_R27, UNW_TILEGX_R28, UNW_TILEGX_R29, UNW_TILEGX_R30, UNW_TILEGX_R31, UNW_TILEGX_R32, UNW_TILEGX_R33, UNW_TILEGX_R34, UNW_TILEGX_R35, UNW_TILEGX_R36, UNW_TILEGX_R37, UNW_TILEGX_R38, UNW_TILEGX_R39, UNW_TILEGX_R40, UNW_TILEGX_R41, UNW_TILEGX_R42, UNW_TILEGX_R43, UNW_TILEGX_R44, UNW_TILEGX_R45, UNW_TILEGX_R46, UNW_TILEGX_R47, UNW_TILEGX_R48, UNW_TILEGX_R49, UNW_TILEGX_R50, UNW_TILEGX_R51, UNW_TILEGX_R52, UNW_TILEGX_R53, UNW_TILEGX_R54, UNW_TILEGX_R55, /* FIXME: Other registers! */ UNW_TILEGX_PC, /* For TILEGX, the CFA is the value of SP (r54) at the call site in the previous frame. */ UNW_TILEGX_CFA, UNW_TDEP_LAST_REG = UNW_TILEGX_PC, UNW_TDEP_IP = UNW_TILEGX_R55, /* R55 is link register for Tilegx */ UNW_TDEP_SP = UNW_TILEGX_R54, UNW_TDEP_EH = UNW_TILEGX_R0 /* FIXME. */ } tilegx_regnum_t; typedef enum { UNW_TILEGX_ABI_N64 = 2 } tilegx_abi_t; #define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for TILEGX. */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; typedef ucontext_t unw_tdep_context_t; #include "libunwind-dynamic.h" typedef struct { /* no tilegx-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_getcontext getcontext #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind-x86_64.h0000644000175000017500000000756413406556425015202 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #include #define UNW_TARGET x86_64 #define UNW_TARGET_X86_64 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 127 typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; typedef long double unw_tdep_fpreg_t; typedef enum { UNW_X86_64_RAX, UNW_X86_64_RDX, UNW_X86_64_RCX, UNW_X86_64_RBX, UNW_X86_64_RSI, UNW_X86_64_RDI, UNW_X86_64_RBP, UNW_X86_64_RSP, UNW_X86_64_R8, UNW_X86_64_R9, UNW_X86_64_R10, UNW_X86_64_R11, UNW_X86_64_R12, UNW_X86_64_R13, UNW_X86_64_R14, UNW_X86_64_R15, UNW_X86_64_RIP, #ifdef CONFIG_MSABI_SUPPORT UNW_X86_64_XMM0, UNW_X86_64_XMM1, UNW_X86_64_XMM2, UNW_X86_64_XMM3, UNW_X86_64_XMM4, UNW_X86_64_XMM5, UNW_X86_64_XMM6, UNW_X86_64_XMM7, UNW_X86_64_XMM8, UNW_X86_64_XMM9, UNW_X86_64_XMM10, UNW_X86_64_XMM11, UNW_X86_64_XMM12, UNW_X86_64_XMM13, UNW_X86_64_XMM14, UNW_X86_64_XMM15, UNW_TDEP_LAST_REG = UNW_X86_64_XMM15, #else UNW_TDEP_LAST_REG = UNW_X86_64_RIP, #endif /* XXX Add other regs here */ /* frame info (read-only) */ UNW_X86_64_CFA, UNW_TDEP_IP = UNW_X86_64_RIP, UNW_TDEP_SP = UNW_X86_64_RSP, UNW_TDEP_BP = UNW_X86_64_RBP, UNW_TDEP_EH = UNW_X86_64_RAX } x86_64_regnum_t; #define UNW_TDEP_NUM_EH_REGS 2 /* XXX Not sure what this means */ typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ char unused; } unw_tdep_save_loc_t; /* On x86_64, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; typedef struct { /* no x86-64-specific auxiliary proc-info */ char unused; } unw_tdep_proc_info_t; #include "libunwind-dynamic.h" #include "libunwind-common.h" #define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_getcontext (unw_tdep_context_t *); extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind.h0000644000175000017500000000163313640673447014241 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #ifndef UNW_REMOTE_ONLY #if defined __aarch64__ #include "libunwind-aarch64.h" #elif defined __arm__ # include "libunwind-arm.h" #elif defined __hppa__ # include "libunwind-hppa.h" #elif defined __ia64__ # include "libunwind-ia64.h" #elif defined __mips__ # include "libunwind-mips.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "libunwind-ppc32.h" #elif defined __powerpc64__ # include "libunwind-ppc64.h" #elif defined __sh__ # include "libunwind-sh.h" #elif defined __i386__ # include "libunwind-x86.h" #elif defined __x86_64__ # include "libunwind-x86_64.h" #elif defined __tilegx__ # include "libunwind-tilegx.h" #else # error "Unsupported arch" #endif #else /* UNW_REMOTE_ONLY */ # include "libunwind-x86_64.h" #endif /* UNW_REMOTE_ONLY */ libunwind-1.3.2/include/libunwind-coredump.h0000644000175000017500000000612313406556425016050 00000000000000/* libunwind - a platform-independent unwind library This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef libunwind_coredump_h #define libunwind_coredump_h #include #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif /* Helper routines which make it easy to use libunwind on a coredump. They're available only if UNW_REMOTE_ONLY is _not_ defined and they aren't really part of the libunwind API. They are implemented in a archive library called libunwind-coredump.a. */ struct UCD_info; extern struct UCD_info *_UCD_create(const char *filename); extern void _UCD_destroy(struct UCD_info *); extern int _UCD_get_num_threads(struct UCD_info *); extern void _UCD_select_thread(struct UCD_info *, int); extern pid_t _UCD_get_pid(struct UCD_info *); extern int _UCD_get_cursig(struct UCD_info *); extern int _UCD_add_backing_file_at_segment(struct UCD_info *, int phdr_no, const char *filename); extern int _UCD_add_backing_file_at_vaddr(struct UCD_info *, unsigned long vaddr, const char *filename); extern int _UCD_find_proc_info (unw_addr_space_t, unw_word_t, unw_proc_info_t *, int, void *); extern void _UCD_put_unwind_info (unw_addr_space_t, unw_proc_info_t *, void *); extern int _UCD_get_dyn_info_list_addr (unw_addr_space_t, unw_word_t *, void *); extern int _UCD_access_mem (unw_addr_space_t, unw_word_t, unw_word_t *, int, void *); extern int _UCD_access_reg (unw_addr_space_t, unw_regnum_t, unw_word_t *, int, void *); extern int _UCD_access_fpreg (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int, void *); extern int _UCD_get_proc_name (unw_addr_space_t, unw_word_t, char *, size_t, unw_word_t *, void *); extern int _UCD_resume (unw_addr_space_t, unw_cursor_t *, void *); extern unw_accessors_t _UCD_accessors; #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* libunwind_coredump_h */ libunwind-1.3.2/include/tdep-x86_64/0000755000175000017500000000000013640673450014034 500000000000000libunwind-1.3.2/include/tdep-x86_64/dwarf-config.h0000644000175000017500000000411713406556425016500 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* copy of include/tdep-x86/dwarf-config.h, modified slightly for x86-64 some consolidation is possible here */ #ifndef dwarf_config_h #define dwarf_config_h /* XXX need to verify if this value is correct */ #ifdef CONFIG_MSABI_SUPPORT #define DWARF_NUM_PRESERVED_REGS 33 #else #define DWARF_NUM_PRESERVED_REGS 17 #endif #define DWARF_REGNUM_MAP_LENGTH DWARF_NUM_PRESERVED_REGS /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 0 /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; unw_word_t type; /* see X86_LOC_TYPE_* macros. */ } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-x86_64/jmpbuf.h0000644000175000017500000000310313640667603015410 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #if defined __linux__ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ #define JB_SP 6 #define JB_RP 7 #define JB_MASK_SAVED 8 #define JB_MASK 9 #elif defined __FreeBSD__ #define JB_SP 2 #define JB_RP 0 /* Pretend the ip cannot be 0 and mask is always saved */ #define JB_MASK_SAVED 0 #define JB_MASK 9 #endif libunwind-1.3.2/include/tdep-x86_64/libunwind_i.h0000644000175000017500000002411413640667603016435 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Modified for x86_64 by Max Asbock This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef X86_64_LIBUNWIND_I_H #define X86_64_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf64.h" #include "mempool.h" #include "dwarf.h" typedef enum { UNW_X86_64_FRAME_ALIGNED = -3, /* frame stack pointer aligned */ UNW_X86_64_FRAME_STANDARD = -2, /* regular rbp, rsp +/- offset */ UNW_X86_64_FRAME_SIGRETURN = -1, /* special sigreturn frame */ UNW_X86_64_FRAME_OTHER = 0, /* not cacheable (special or unrecognised) */ UNW_X86_64_FRAME_GUESSED = 1 /* guessed it was regular, but not known */ } unw_tdep_frame_type_t; typedef struct { uint64_t virtual_address; int64_t frame_type : 3; /* unw_tdep_frame_type_t classification */ int64_t last_frame : 1; /* non-zero if last frame in chain */ int64_t cfa_reg_rsp : 1; /* cfa dwarf base register is rsp vs. rbp */ int64_t cfa_reg_offset : 29; /* cfa is at this offset from base register value */ int64_t rbp_cfa_offset : 15; /* rbp saved at this offset from cfa (-1 = not saved) */ int64_t rsp_cfa_offset : 15; /* rsp saved at this offset from cfa (-1 = not saved) */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ unw_tdep_frame_t frame_info; /* quick tracing assist info */ /* Format of sigcontext structure and address at which it is stored: */ enum { X86_64_SCF_NONE, /* no signal frame encountered */ X86_64_SCF_LINUX_RT_SIGFRAME, /* Linux ucontext_t */ X86_64_SCF_FREEBSD_SIGFRAME, /* FreeBSD signal frame */ X86_64_SCF_FREEBSD_SYSCALL, /* FreeBSD syscall */ } sigcontext_format; unw_word_t sigcontext_addr; int validate; ucontext_t *uc; }; static inline ucontext_t * dwarf_get_uc(const struct dwarf_cursor *cursor) { const struct cursor *c = (struct cursor *) cursor->as_arg; return c->uc; } #define DWARF_GET_LOC(l) ((l).val) # define DWARF_LOC_TYPE_MEM (0 << 0) # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_LOC_TYPE_VAL (1 << 2) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_IS_MEM_LOC(l) ((l).type == DWARF_LOC_TYPE_MEM) # define DWARF_IS_VAL_LOC(l) (((l).type & DWARF_LOC_TYPE_VAL) != 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_VAL_LOC(c,v) DWARF_LOC ((v), DWARF_LOC_TYPE_VAL) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), DWARF_LOC_TYPE_MEM) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ x86_64_r_uc_addr(dwarf_get_uc(c), (r)), 0)) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ x86_64_r_uc_addr(dwarf_get_uc(c), (r)), 0)) #else /* !UNW_LOCAL_ONLY */ # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) #endif /* !UNW_LOCAL_ONLY */ static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; abort (); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; abort (); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); if (DWARF_IS_MEM_LOC (loc)) return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); assert(DWARF_IS_VAL_LOC (loc)); *val = DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { assert(!DWARF_IS_VAL_LOC (loc)); if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #define tdep_getcontext_trace UNW_ARCH_OBJ(getcontext_trace) #define tdep_init_done UNW_OBJ(init_done) #define tdep_init_mem_validate UNW_OBJ(init_mem_validate) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #if __linux__ # define tdep_fetch_frame UNW_OBJ(fetch_frame) # define tdep_cache_frame UNW_OBJ(cache_frame) # define tdep_reuse_frame UNW_OBJ(reuse_frame) #else # define tdep_fetch_frame(c,ip,n) do {} while(0) # define tdep_cache_frame(c) 0 # define tdep_reuse_frame(c,frame) do {} while(0) #endif #define tdep_stash_frame UNW_OBJ(stash_frame) #define tdep_trace UNW_OBJ(tdep_trace) #define x86_64_r_uc_addr UNW_OBJ(r_uc_addr) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) 0 extern int tdep_init_done; extern void tdep_init (void); extern void tdep_init_mem_validate (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *x86_64_r_uc_addr (ucontext_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #if __linux__ extern void tdep_fetch_frame (struct dwarf_cursor *c, unw_word_t ip, int need_unwind_info); extern int tdep_cache_frame (struct dwarf_cursor *c); extern void tdep_reuse_frame (struct dwarf_cursor *c, int frame); extern void tdep_stash_frame (struct dwarf_cursor *c, struct dwarf_reg_state *rs); #endif extern int tdep_getcontext_trace (unw_tdep_context_t *); extern int tdep_trace (unw_cursor_t *cursor, void **addresses, int *n); #endif /* X86_64_LIBUNWIND_I_H */ libunwind-1.3.2/include/dwarf_i.h0000644000175000017500000002670613406755365013671 00000000000000#ifndef DWARF_I_H #define DWARF_I_H /* This file contains definitions that cannot be used in code outside of libunwind. In particular, most inline functions are here because otherwise they'd generate unresolved references when the files are compiled with inlining disabled. */ #include "dwarf.h" #include "libunwind_i.h" /* Unless we are told otherwise, assume that a "machine address" is the size of an unw_word_t. */ #ifndef dwarf_addr_size # define dwarf_addr_size(as) (sizeof (unw_word_t)) #endif #ifndef dwarf_to_unw_regnum # define dwarf_to_unw_regnum_map UNW_OBJ (dwarf_to_unw_regnum_map) extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH]; /* REG is evaluated multiple times; it better be side-effects free! */ # define dwarf_to_unw_regnum(reg) \ (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0) #endif #ifdef UNW_LOCAL_ONLY /* In the local-only case, we can let the compiler directly access memory and don't need to worry about differing byte-order. */ typedef union __attribute__ ((packed)) { int8_t s8; int16_t s16; int32_t s32; int64_t s64; uint8_t u8; uint16_t u16; uint32_t u32; uint64_t u64; void *ptr; } dwarf_misaligned_value_t; static inline int dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int8_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->s8; *addr += sizeof (mvp->s8); return 0; } static inline int dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int16_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->s16; *addr += sizeof (mvp->s16); return 0; } static inline int dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int32_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->s32; *addr += sizeof (mvp->s32); return 0; } static inline int dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int64_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->s64; *addr += sizeof (mvp->s64); return 0; } static inline int dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint8_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->u8; *addr += sizeof (mvp->u8); return 0; } static inline int dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint16_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->u16; *addr += sizeof (mvp->u16); return 0; } static inline int dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint32_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->u32; *addr += sizeof (mvp->u32); return 0; } static inline int dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint64_t *val, void *arg) { dwarf_misaligned_value_t *mvp = (void *) (uintptr_t) *addr; *val = mvp->u64; *addr += sizeof (mvp->u64); return 0; } #else /* !UNW_LOCAL_ONLY */ static inline int dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint8_t *valp, void *arg) { unw_word_t val, aligned_addr = *addr & -sizeof (unw_word_t); unw_word_t off = *addr - aligned_addr; int ret; *addr += 1; ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg); #if __BYTE_ORDER == __LITTLE_ENDIAN val >>= 8*off; #else val >>= 8*(sizeof (unw_word_t) - 1 - off); #endif *valp = (uint8_t) val; return ret; } static inline int dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint16_t *val, void *arg) { uint8_t v0, v1; int ret; if ((ret = dwarf_readu8 (as, a, addr, &v0, arg)) < 0 || (ret = dwarf_readu8 (as, a, addr, &v1, arg)) < 0) return ret; if (tdep_big_endian (as)) *val = (uint16_t) v0 << 8 | v1; else *val = (uint16_t) v1 << 8 | v0; return 0; } static inline int dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint32_t *val, void *arg) { uint16_t v0, v1; int ret; if ((ret = dwarf_readu16 (as, a, addr, &v0, arg)) < 0 || (ret = dwarf_readu16 (as, a, addr, &v1, arg)) < 0) return ret; if (tdep_big_endian (as)) *val = (uint32_t) v0 << 16 | v1; else *val = (uint32_t) v1 << 16 | v0; return 0; } static inline int dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, uint64_t *val, void *arg) { uint32_t v0, v1; int ret; if ((ret = dwarf_readu32 (as, a, addr, &v0, arg)) < 0 || (ret = dwarf_readu32 (as, a, addr, &v1, arg)) < 0) return ret; if (tdep_big_endian (as)) *val = (uint64_t) v0 << 32 | v1; else *val = (uint64_t) v1 << 32 | v0; return 0; } static inline int dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int8_t *val, void *arg) { uint8_t uval; int ret; if ((ret = dwarf_readu8 (as, a, addr, &uval, arg)) < 0) return ret; *val = (int8_t) uval; return 0; } static inline int dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int16_t *val, void *arg) { uint16_t uval; int ret; if ((ret = dwarf_readu16 (as, a, addr, &uval, arg)) < 0) return ret; *val = (int16_t) uval; return 0; } static inline int dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int32_t *val, void *arg) { uint32_t uval; int ret; if ((ret = dwarf_readu32 (as, a, addr, &uval, arg)) < 0) return ret; *val = (int32_t) uval; return 0; } static inline int dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, int64_t *val, void *arg) { uint64_t uval; int ret; if ((ret = dwarf_readu64 (as, a, addr, &uval, arg)) < 0) return ret; *val = (int64_t) uval; return 0; } #endif /* !UNW_LOCAL_ONLY */ static inline int dwarf_readw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *val, void *arg) { uint32_t u32; uint64_t u64; int ret; switch (dwarf_addr_size (as)) { case 4: ret = dwarf_readu32 (as, a, addr, &u32, arg); if (ret < 0) return ret; *val = u32; return ret; case 8: ret = dwarf_readu64 (as, a, addr, &u64, arg); if (ret < 0) return ret; *val = u64; return ret; default: abort (); } } /* Read an unsigned "little-endian base 128" value. See Chapter 7.6 of DWARF spec v3. */ static inline int dwarf_read_uleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *valp, void *arg) { unw_word_t val = 0, shift = 0; unsigned char byte; int ret; do { if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0) return ret; val |= ((unw_word_t) byte & 0x7f) << shift; shift += 7; } while (byte & 0x80); *valp = val; return 0; } /* Read a signed "little-endian base 128" value. See Chapter 7.6 of DWARF spec v3. */ static inline int dwarf_read_sleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unw_word_t *valp, void *arg) { unw_word_t val = 0, shift = 0; unsigned char byte; int ret; do { if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0) return ret; val |= ((unw_word_t) byte & 0x7f) << shift; shift += 7; } while (byte & 0x80); if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0) /* sign-extend negative value */ val |= ((unw_word_t) -1) << shift; *valp = val; return 0; } static ALWAYS_INLINE int dwarf_read_encoded_pointer_inlined (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr, unsigned char encoding, const unw_proc_info_t *pi, unw_word_t *valp, void *arg) { unw_word_t val, initial_addr = *addr; uint16_t uval16; uint32_t uval32; uint64_t uval64; int16_t sval16 = 0; int32_t sval32 = 0; int64_t sval64 = 0; int ret; /* DW_EH_PE_omit and DW_EH_PE_aligned don't follow the normal format/application encoding. Handle them first. */ if (encoding == DW_EH_PE_omit) { *valp = 0; return 0; } else if (encoding == DW_EH_PE_aligned) { int size = dwarf_addr_size (as); *addr = (initial_addr + size - 1) & -size; return dwarf_readw (as, a, addr, valp, arg); } switch (encoding & DW_EH_PE_FORMAT_MASK) { case DW_EH_PE_ptr: if ((ret = dwarf_readw (as, a, addr, &val, arg)) < 0) return ret; break; case DW_EH_PE_uleb128: if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) return ret; break; case DW_EH_PE_udata2: if ((ret = dwarf_readu16 (as, a, addr, &uval16, arg)) < 0) return ret; val = uval16; break; case DW_EH_PE_udata4: if ((ret = dwarf_readu32 (as, a, addr, &uval32, arg)) < 0) return ret; val = uval32; break; case DW_EH_PE_udata8: if ((ret = dwarf_readu64 (as, a, addr, &uval64, arg)) < 0) return ret; val = uval64; break; case DW_EH_PE_sleb128: if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) return ret; break; case DW_EH_PE_sdata2: if ((ret = dwarf_reads16 (as, a, addr, &sval16, arg)) < 0) return ret; val = sval16; break; case DW_EH_PE_sdata4: if ((ret = dwarf_reads32 (as, a, addr, &sval32, arg)) < 0) return ret; val = sval32; break; case DW_EH_PE_sdata8: if ((ret = dwarf_reads64 (as, a, addr, &sval64, arg)) < 0) return ret; val = sval64; break; default: Debug (1, "unexpected encoding format 0x%x\n", encoding & DW_EH_PE_FORMAT_MASK); return -UNW_EINVAL; } if (val == 0) { /* 0 is a special value and always absolute. */ *valp = 0; return 0; } switch (encoding & DW_EH_PE_APPL_MASK) { case DW_EH_PE_absptr: break; case DW_EH_PE_pcrel: val += initial_addr; break; case DW_EH_PE_datarel: /* XXX For now, assume that data-relative addresses are relative to the global pointer. */ val += pi->gp; break; case DW_EH_PE_funcrel: val += pi->start_ip; break; case DW_EH_PE_textrel: /* XXX For now we don't support text-rel values. If there is a platform which needs this, we probably would have to add a "segbase" member to unw_proc_info_t. */ default: Debug (1, "unexpected application type 0x%x\n", encoding & DW_EH_PE_APPL_MASK); return -UNW_EINVAL; } /* Trim off any extra bits. Assume that sign extension isn't required; the only place it is needed is MIPS kernel space addresses. */ if (sizeof (val) > dwarf_addr_size (as)) { assert (dwarf_addr_size (as) == 4); val = (uint32_t) val; } if (encoding & DW_EH_PE_indirect) { unw_word_t indirect_addr = val; if ((ret = dwarf_readw (as, a, &indirect_addr, &val, arg)) < 0) return ret; } *valp = val; return 0; } #endif /* DWARF_I_H */ libunwind-1.3.2/include/libunwind-sh.h0000644000175000017500000000571413406556425014651 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #include #define UNW_TARGET sh #define UNW_TARGET_SH 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 4096 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; typedef long double unw_tdep_fpreg_t; typedef enum { UNW_SH_R0, UNW_SH_R1, UNW_SH_R2, UNW_SH_R3, UNW_SH_R4, UNW_SH_R5, UNW_SH_R6, UNW_SH_R7, UNW_SH_R8, UNW_SH_R9, UNW_SH_R10, UNW_SH_R11, UNW_SH_R12, UNW_SH_R13, UNW_SH_R14, UNW_SH_R15, UNW_SH_PC, UNW_SH_PR, UNW_TDEP_LAST_REG = UNW_SH_PR, UNW_TDEP_IP = UNW_SH_PR, UNW_TDEP_SP = UNW_SH_R15, UNW_TDEP_EH = UNW_SH_R0 } sh_regnum_t; #define UNW_TDEP_NUM_EH_REGS 2 typedef ucontext_t unw_tdep_context_t; #define unw_tdep_getcontext(uc) (getcontext (uc), 0) typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; #include "libunwind-dynamic.h" typedef struct { /* no sh-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/libunwind_i.h0000644000175000017500000003052513640667603014550 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This files contains libunwind-internal definitions which are subject to frequent change and are not to be exposed to libunwind-users. */ #ifndef libunwind_i_h #define libunwind_i_h #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #if defined(HAVE___THREAD) && HAVE___THREAD #define UNWI_DEFAULT_CACHING_POLICY UNW_CACHE_PER_THREAD #else #define UNWI_DEFAULT_CACHING_POLICY UNW_CACHE_GLOBAL #endif /* Platform-independent libunwind-internal declarations. */ #include /* HP-UX needs this before include of pthread.h */ #include #include #include #include #include #include #include #include #if defined(HAVE_ELF_H) # include #elif defined(HAVE_SYS_ELF_H) # include #else # error Could not locate #endif #if defined(HAVE_ENDIAN_H) # include #elif defined(HAVE_SYS_ENDIAN_H) # include # if defined(_LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) # define __LITTLE_ENDIAN _LITTLE_ENDIAN # endif # if defined(_BIG_ENDIAN) && !defined(__BIG_ENDIAN) # define __BIG_ENDIAN _BIG_ENDIAN # endif # if defined(_BYTE_ORDER) && !defined(__BYTE_ORDER) # define __BYTE_ORDER _BYTE_ORDER # endif #else # define __LITTLE_ENDIAN 1234 # define __BIG_ENDIAN 4321 # if defined(__hpux) # define __BYTE_ORDER __BIG_ENDIAN # elif defined(__QNX__) # if defined(__BIGENDIAN__) # define __BYTE_ORDER __BIG_ENDIAN # elif defined(__LITTLEENDIAN__) # define __BYTE_ORDER __LITTLE_ENDIAN # else # error Host has unknown byte-order. # endif # else # error Host has unknown byte-order. # endif #endif #if defined(HAVE__BUILTIN_UNREACHABLE) # define unreachable() __builtin_unreachable() #else # define unreachable() do { } while (1) #endif #ifdef DEBUG # define UNW_DEBUG 1 #else # define UNW_DEBUG 0 #endif /* Make it easy to write thread-safe code which may or may not be linked against libpthread. The macros below can be used unconditionally and if -lpthread is around, they'll call the corresponding routines otherwise, they do nothing. */ #pragma weak pthread_mutex_init #pragma weak pthread_mutex_lock #pragma weak pthread_mutex_unlock #define mutex_init(l) \ (pthread_mutex_init != NULL ? pthread_mutex_init ((l), NULL) : 0) #define mutex_lock(l) \ (pthread_mutex_lock != NULL ? pthread_mutex_lock (l) : 0) #define mutex_unlock(l) \ (pthread_mutex_unlock != NULL ? pthread_mutex_unlock (l) : 0) #ifdef HAVE_ATOMIC_OPS_H # include static inline int cmpxchg_ptr (void *addr, void *old, void *new) { union { void *vp; AO_t *aop; } u; u.vp = addr; return AO_compare_and_swap(u.aop, (AO_t) old, (AO_t) new); } # define fetch_and_add1(_ptr) AO_fetch_and_add1(_ptr) # define fetch_and_add(_ptr, value) AO_fetch_and_add(_ptr, value) /* GCC 3.2.0 on HP-UX crashes on cmpxchg_ptr() */ # if !(defined(__hpux) && __GNUC__ == 3 && __GNUC_MINOR__ == 2) # define HAVE_CMPXCHG # endif # define HAVE_FETCH_AND_ADD #elif defined(HAVE_SYNC_ATOMICS) || defined(HAVE_IA64INTRIN_H) # ifdef HAVE_IA64INTRIN_H # include # endif static inline int cmpxchg_ptr (void *addr, void *old, void *new) { union { void *vp; long *vlp; } u; u.vp = addr; return __sync_bool_compare_and_swap(u.vlp, (long) old, (long) new); } # define fetch_and_add1(_ptr) __sync_fetch_and_add(_ptr, 1) # define fetch_and_add(_ptr, value) __sync_fetch_and_add(_ptr, value) # define HAVE_CMPXCHG # define HAVE_FETCH_AND_ADD #endif #define atomic_read(ptr) (*(ptr)) #define UNWI_OBJ(fn) UNW_PASTE(UNW_PREFIX,UNW_PASTE(I,fn)) #define UNWI_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_UI,UNW_TARGET),_), fn) #define unwi_full_mask UNWI_ARCH_OBJ(full_mask) /* Type of a mask that can be used to inhibit preemption. At the userlevel, preemption is caused by signals and hence sigset_t is appropriate. In constrast, the Linux kernel uses "unsigned long" to hold the processor "flags" instead. */ typedef sigset_t intrmask_t; extern intrmask_t unwi_full_mask; /* Silence compiler warnings about variables which are used only if libunwind is configured in a certain way */ static inline void mark_as_used(void *v UNUSED) { } #if defined(CONFIG_BLOCK_SIGNALS) # define SIGPROCMASK(how, new_mask, old_mask) \ sigprocmask((how), (new_mask), (old_mask)) #else # define SIGPROCMASK(how, new_mask, old_mask) mark_as_used(old_mask) #endif /* Prefer adaptive mutexes if available */ #ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP #define UNW_PTHREAD_MUTEX_INITIALIZER PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP #else #define UNW_PTHREAD_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER #endif #define define_lock(name) \ pthread_mutex_t name = UNW_PTHREAD_MUTEX_INITIALIZER #define lock_init(l) mutex_init (l) #define lock_acquire(l,m) \ do { \ SIGPROCMASK (SIG_SETMASK, &unwi_full_mask, &(m)); \ mutex_lock (l); \ } while (0) #define lock_release(l,m) \ do { \ mutex_unlock (l); \ SIGPROCMASK (SIG_SETMASK, &(m), NULL); \ } while (0) #define SOS_MEMORY_SIZE 16384 /* see src/mi/mempool.c */ #ifndef MAP_ANONYMOUS # define MAP_ANONYMOUS MAP_ANON #endif #define GET_MEMORY(mem, size) \ do { \ /* Hopefully, mmap() goes straight through to a system call stub... */ \ mem = mmap (NULL, size, PROT_READ | PROT_WRITE, \ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); \ if (mem == MAP_FAILED) \ mem = NULL; \ } while (0) #define unwi_find_dynamic_proc_info UNWI_OBJ(find_dynamic_proc_info) #define unwi_extract_dynamic_proc_info UNWI_OBJ(extract_dynamic_proc_info) #define unwi_put_dynamic_unwind_info UNWI_OBJ(put_dynamic_unwind_info) #define unwi_dyn_remote_find_proc_info UNWI_OBJ(dyn_remote_find_proc_info) #define unwi_dyn_remote_put_unwind_info UNWI_OBJ(dyn_remote_put_unwind_info) #define unwi_dyn_validate_cache UNWI_OBJ(dyn_validate_cache) extern int unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern int unwi_extract_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, unw_dyn_info_t *di, int need_unwind_info, void *arg); extern void unwi_put_dynamic_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg); /* These handle the remote (cross-address-space) case of accessing dynamic unwind info. */ extern int unwi_dyn_remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void unwi_dyn_remote_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg); extern int unwi_dyn_validate_cache (unw_addr_space_t as, void *arg); extern unw_dyn_info_list_t _U_dyn_info_list; extern pthread_mutex_t _U_dyn_info_list_lock; #if UNW_DEBUG #define unwi_debug_level UNWI_ARCH_OBJ(debug_level) extern long unwi_debug_level; # include # define Debug(level,format...) \ do { \ if (unwi_debug_level >= level) \ { \ int _n = level; \ if (_n > 16) \ _n = 16; \ fprintf (stderr, "%*c>%s: ", _n, ' ', __FUNCTION__); \ fprintf (stderr, format); \ } \ } while (0) # define Dprintf(format...) fprintf (stderr, format) #else # define Debug(level,format...) # define Dprintf(format...) #endif static ALWAYS_INLINE int print_error (const char *string) { return write (2, string, strlen (string)); } #define mi_init UNWI_ARCH_OBJ(mi_init) extern void mi_init (void); /* machine-independent initializations */ extern unw_word_t _U_dyn_info_list_addr (void); /* This is needed/used by ELF targets only. */ struct elf_image { void *image; /* pointer to mmap'd image */ size_t size; /* (file-) size of the image */ }; struct elf_dyn_info { struct elf_image ei; unw_dyn_info_t di_cache; unw_dyn_info_t di_debug; /* additional table info for .debug_frame */ #if UNW_TARGET_IA64 unw_dyn_info_t ktab; #endif #if UNW_TARGET_ARM unw_dyn_info_t di_arm; /* additional table info for .ARM.exidx */ #endif }; static inline void invalidate_edi (struct elf_dyn_info *edi) { if (edi->ei.image) munmap (edi->ei.image, edi->ei.size); memset (edi, 0, sizeof (*edi)); edi->di_cache.format = -1; edi->di_debug.format = -1; #if UNW_TARGET_ARM edi->di_arm.format = -1; #endif } /* Provide a place holder for architecture to override for fast access to memory when known not to need to validate and know the access will be local to the process. A suitable override will improve unw_tdep_trace() performance in particular. */ #define ACCESS_MEM_FAST(ret,validate,cur,addr,to) \ do { (ret) = dwarf_get ((cur), DWARF_MEM_LOC ((cur), (addr)), &(to)); } \ while (0) /* Define GNU and processor specific values for the Phdr p_type field in case they aren't defined by . */ #ifndef PT_GNU_EH_FRAME # define PT_GNU_EH_FRAME 0x6474e550 #endif /* !PT_GNU_EH_FRAME */ #ifndef PT_ARM_EXIDX # define PT_ARM_EXIDX 0x70000001 /* ARM unwind segment */ #endif /* !PT_ARM_EXIDX */ #include "tdep/libunwind_i.h" #ifndef tdep_get_func_addr # define tdep_get_func_addr(as,addr,v) (*(v) = addr, 0) #endif #ifndef DWARF_VAL_LOC # define DWARF_IS_VAL_LOC(l) 0 # define DWARF_VAL_LOC(c,v) DWARF_NULL_LOC #endif #define UNW_ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL)) #endif /* libunwind_i_h */ libunwind-1.3.2/include/tdep-x86/0000755000175000017500000000000013640673450013523 500000000000000libunwind-1.3.2/include/tdep-x86/dwarf-config.h0000644000175000017500000000364513406556425016174 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* This matches the value used by GCC (see gcc/config/i386.h:DWARF_FRAME_REGISTERS), which leaves plenty of room for expansion. */ #define DWARF_NUM_PRESERVED_REGS 17 #define DWARF_REGNUM_MAP_LENGTH 19 /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 0 /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see X86_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-x86/jmpbuf.h0000644000175000017500000000301213406556425015075 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ #if defined __linux__ #define JB_SP 4 #define JB_RP 5 #define JB_MASK_SAVED 6 #define JB_MASK 7 #elif defined __FreeBSD__ #define JB_SP 2 #define JB_RP 0 #define JB_MASK_SAVED 11 #define JB_MASK 7 #endif libunwind-1.3.2/include/tdep-x86/libunwind_i.h0000644000175000017500000002476213406755365016140 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef X86_LIBUNWIND_I_H #define X86_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf32.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no x86-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ /* Format of sigcontext structure and address at which it is stored: */ enum { X86_SCF_NONE, /* no signal frame encountered */ X86_SCF_LINUX_SIGFRAME, /* Linux x86 sigcontext */ X86_SCF_LINUX_RT_SIGFRAME, /* POSIX ucontext_t */ X86_SCF_FREEBSD_SIGFRAME, /* FreeBSD x86 sigcontext */ X86_SCF_FREEBSD_SIGFRAME4, /* FreeBSD 4.x x86 sigcontext */ X86_SCF_FREEBSD_OSIGFRAME, /* FreeBSD pre-4.x x86 sigcontext */ X86_SCF_FREEBSD_SYSCALL, /* FreeBSD x86 syscall */ } sigcontext_format; unw_word_t sigcontext_addr; int validate; ucontext_t *uc; }; static inline ucontext_t * dwarf_get_uc(const struct dwarf_cursor *cursor) { const struct cursor *c = (struct cursor *) cursor->as_arg; return c->uc; } #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr(dwarf_get_uc(c), (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr(dwarf_get_uc(c), (r)), 0)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) 0 extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #endif /* X86_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep/0000755000175000017500000000000013640673450013100 500000000000000libunwind-1.3.2/include/tdep/libunwind_i.h.in0000644000175000017500000000176113640667603016111 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #ifndef UNW_REMOTE_ONLY #if defined __aarch64__ # include "tdep-aarch64/libunwind_i.h" #elif defined __arm__ # include "tdep-arm/libunwind_i.h" #elif defined __hppa__ # include "tdep-hppa/libunwind_i.h" #elif defined __ia64__ # include "tdep-ia64/libunwind_i.h" #elif defined __mips__ # include "tdep-mips/libunwind_i.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "tdep-ppc32/libunwind_i.h" #elif defined __powerpc64__ # include "tdep-ppc64/libunwind_i.h" #elif defined __sh__ # include "tdep-sh/libunwind_i.h" #elif defined __i386__ # include "tdep-x86/libunwind_i.h" #elif defined __x86_64__ # include "tdep-x86_64/libunwind_i.h" #elif defined __tilegx__ # include "tdep-tilegx/libunwind_i.h" #else # error "Unsupported arch" #endif #else /* UNW_REMOTE_ONLY */ # include "tdep-@arch@/libunwind_i.h" #endif /* UNW_REMOTE_ONLY */ libunwind-1.3.2/include/tdep/dwarf-config.h0000644000175000017500000000162513406556425015545 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #if defined __aarch64__ # include "tdep-aarch64/dwarf-config.h" #elif defined __arm__ # include "tdep-arm/dwarf-config.h" #elif defined __hppa__ # include "tdep-hppa/dwarf-config.h" #elif defined __ia64__ # include "tdep-ia64/dwarf-config.h" #elif defined __mips__ # include "tdep-mips/dwarf-config.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "tdep-ppc32/dwarf-config.h" #elif defined __powerpc64__ # include "tdep-ppc64/dwarf-config.h" #elif defined __sh__ # include "tdep-sh/dwarf-config.h" #elif defined __i386__ # include "tdep-x86/dwarf-config.h" #elif defined __x86_64__ || defined __amd64__ # include "tdep-x86_64/dwarf-config.h" #elif defined __tilegx__ # include "tdep-tilegx/dwarf-config.h" #else # error "Unsupported arch" #endif libunwind-1.3.2/include/tdep/jmpbuf.h0000644000175000017500000000150413406755365014462 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #ifndef UNW_REMOTE_ONLY #if defined __aarch64__ # include "tdep-aarch64/jmpbuf.h" #elif defined __arm__ # include "tdep-arm/jmpbuf.h" #elif defined __hppa__ # include "tdep-hppa/jmpbuf.h" #elif defined __ia64__ # include "tdep-ia64/jmpbuf.h" #elif defined __mips__ # include "tdep-mips/jmpbuf.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "tdep-ppc32/jmpbuf.h" #elif defined __powerpc64__ # include "tdep-ppc64/jmpbuf.h" #elif defined __i386__ # include "tdep-x86/jmpbuf.h" #elif defined __x86_64__ # include "tdep-x86_64/jmpbuf.h" #elif defined __tilegx__ # include "tdep-tilegx/jmpbuf.h" #else # error "Unsupported arch" #endif #endif /* !UNW_REMOTE_ONLY */ libunwind-1.3.2/include/tdep/libunwind_i.h0000644000175000017500000000176113640673447015507 00000000000000/* Provide a real file - not a symlink - as it would cause multiarch conflicts when multiple different arch releases are installed simultaneously. */ #ifndef UNW_REMOTE_ONLY #if defined __aarch64__ # include "tdep-aarch64/libunwind_i.h" #elif defined __arm__ # include "tdep-arm/libunwind_i.h" #elif defined __hppa__ # include "tdep-hppa/libunwind_i.h" #elif defined __ia64__ # include "tdep-ia64/libunwind_i.h" #elif defined __mips__ # include "tdep-mips/libunwind_i.h" #elif defined __powerpc__ && !defined __powerpc64__ # include "tdep-ppc32/libunwind_i.h" #elif defined __powerpc64__ # include "tdep-ppc64/libunwind_i.h" #elif defined __sh__ # include "tdep-sh/libunwind_i.h" #elif defined __i386__ # include "tdep-x86/libunwind_i.h" #elif defined __x86_64__ # include "tdep-x86_64/libunwind_i.h" #elif defined __tilegx__ # include "tdep-tilegx/libunwind_i.h" #else # error "Unsupported arch" #endif #else /* UNW_REMOTE_ONLY */ # include "tdep-x86_64/libunwind_i.h" #endif /* UNW_REMOTE_ONLY */ libunwind-1.3.2/include/tdep-aarch64/0000755000175000017500000000000013640673450014326 500000000000000libunwind-1.3.2/include/tdep-aarch64/dwarf-config.h0000644000175000017500000000364513406556425016777 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* This matches the value udes by GCC (see gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */ #define DWARF_NUM_PRESERVED_REGS 97 /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 0 #define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0) /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-aarch64/jmpbuf.h0000644000175000017500000000254313406556425015710 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ /* FIXME for AArch64 */ #define JB_SP 13 #define JB_RP 14 #define JB_MASK_SAVED 15 #define JB_MASK 16 libunwind-1.3.2/include/tdep-aarch64/libunwind_i.h0000644000175000017500000002642713406755365016743 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef AARCH64_LIBUNWIND_I_H #define AARCH64_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf64.h" #include "mempool.h" #include "dwarf.h" typedef enum { UNW_AARCH64_FRAME_STANDARD = -2, /* regular fp, sp +/- offset */ UNW_AARCH64_FRAME_SIGRETURN = -1, /* special sigreturn frame */ UNW_AARCH64_FRAME_OTHER = 0, /* not cacheable (special or unrecognised) */ UNW_AARCH64_FRAME_GUESSED = 1 /* guessed it was regular, but not known */ } unw_tdep_frame_type_t; typedef struct { uint64_t virtual_address; int64_t frame_type : 2; /* unw_tdep_frame_type_t classification */ int64_t last_frame : 1; /* non-zero if last frame in chain */ int64_t cfa_reg_sp : 1; /* cfa dwarf base register is sp vs. fp */ int64_t cfa_reg_offset : 30; /* cfa is at this offset from base register value */ int64_t fp_cfa_offset : 30; /* fp saved at this offset from cfa (-1 = not saved) */ int64_t lr_cfa_offset : 30; /* lr saved at this offset from cfa (-1 = not saved) */ int64_t sp_cfa_offset : 30; /* sp saved at this offset from cfa (-1 = not saved) */ } unw_tdep_frame_t; #ifdef UNW_LOCAL_ONLY typedef unw_word_t aarch64_loc_t; #else /* !UNW_LOCAL_ONLY */ typedef struct aarch64_loc { unw_word_t w0, w1; } aarch64_loc_t; #endif /* !UNW_LOCAL_ONLY */ struct unw_addr_space { struct unw_accessors acc; int big_endian; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ unw_tdep_frame_t frame_info; /* quick tracing assist info */ enum { AARCH64_SCF_NONE, AARCH64_SCF_LINUX_RT_SIGFRAME, } sigcontext_format; unw_word_t sigcontext_addr; unw_word_t sigcontext_sp; unw_word_t sigcontext_pc; int validate; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_word_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_word_t *) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace UNW_ARCH_OBJ(getcontext_trace) #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame UNW_OBJ(tdep_stash_frame) #define tdep_trace UNW_OBJ(tdep_trace) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) ((as)->big_endian) extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); extern int tdep_trace (unw_cursor_t *cursor, void **addresses, int *n); extern void tdep_stash_frame (struct dwarf_cursor *c, struct dwarf_reg_state *rs); extern int tdep_getcontext_trace (unw_tdep_context_t *); #endif /* AARCH64_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep-arm/0000755000175000017500000000000013640673450013655 500000000000000libunwind-1.3.2/include/tdep-arm/dwarf-config.h0000644000175000017500000000356413406556425016326 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* This is FIRST_PSEUDO_REGISTER in GCC, since DWARF_FRAME_REGISTERS is not explicitly defined. */ #define DWARF_NUM_PRESERVED_REGS 128 #define dwarf_to_unw_regnum(reg) (((reg) < 16) ? (reg) : 0) /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 0 /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-arm/jmpbuf.h0000644000175000017500000000246713406556425015244 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ /* FIXME for ARM! */ #define JB_SP 4 #define JB_RP 5 #define JB_MASK_SAVED 6 #define JB_MASK 7 libunwind-1.3.2/include/tdep-arm/libunwind_i.h0000644000175000017500000003024113406755365016257 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef ARM_LIBUNWIND_I_H #define ARM_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf32.h" #include "mempool.h" #include "dwarf.h" #include "ex_tables.h" typedef enum { UNW_ARM_FRAME_SYSCALL = -3, /* r7 saved in r12, sp offset zero */ UNW_ARM_FRAME_STANDARD = -2, /* regular r7, sp +/- offset */ UNW_ARM_FRAME_SIGRETURN = -1, /* special sigreturn frame */ UNW_ARM_FRAME_OTHER = 0, /* not cacheable (special or unrecognised) */ UNW_ARM_FRAME_GUESSED = 1 /* guessed it was regular, but not known */ } unw_tdep_frame_type_t; typedef struct { uint32_t virtual_address; int32_t frame_type : 3; /* unw_tdep_frame_type_t classification */ int32_t last_frame : 1; /* non-zero if last frame in chain */ int32_t cfa_reg_sp : 1; /* cfa dwarf base register is sp vs. r7 */ int32_t cfa_reg_offset : 30; /* cfa is at this offset from base register value */ int32_t r7_cfa_offset : 30; /* r7 saved at this offset from cfa (-1 = not saved) */ int32_t lr_cfa_offset : 30; /* lr saved at this offset from cfa (-1 = not saved) */ int32_t sp_cfa_offset : 30; /* sp saved at this offset from cfa (-1 = not saved) */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; int big_endian; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ unw_tdep_frame_t frame_info; /* quick tracing assist info */ enum { ARM_SCF_NONE, /* no signal frame */ ARM_SCF_LINUX_SIGFRAME, /* non-RT signal frame, kernel >=2.6.18 */ ARM_SCF_LINUX_RT_SIGFRAME, /* RT signal frame, kernel >=2.6.18 */ ARM_SCF_LINUX_OLD_SIGFRAME, /* non-RT signal frame, kernel < 2.6.18 */ ARM_SCF_LINUX_OLD_RT_SIGFRAME, /* RT signal frame, kernel < 2.6.18 */ ARM_SCF_FREEBSD_SIGFRAME, /* FreeBSD sigframe */ ARM_SCF_FREEBSD_SYSCALL, /* FreeBSD syscall stub */ } sigcontext_format; unw_word_t sigcontext_addr; unw_word_t sigcontext_sp; unw_word_t sigcontext_pc; int validate; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_word_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_word_t *) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) #define arm_find_proc_info UNW_OBJ(find_proc_info) #define arm_put_unwind_info UNW_OBJ(put_unwind_info) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table UNW_OBJ(search_unwind_table) #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame UNW_OBJ(tdep_stash_frame) #define tdep_trace UNW_OBJ(tdep_trace) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ arm_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ arm_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) ((as)->big_endian) extern int tdep_init_done; extern void tdep_init (void); extern int arm_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void arm_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); extern int tdep_trace (unw_cursor_t *cursor, void **addresses, int *n); extern void tdep_stash_frame (struct dwarf_cursor *c, struct dwarf_reg_state *rs); /* unwinding method selection support */ #define UNW_ARM_METHOD_ALL 0xFF #define UNW_ARM_METHOD_DWARF 0x01 #define UNW_ARM_METHOD_FRAME 0x02 #define UNW_ARM_METHOD_EXIDX 0x04 #define unwi_unwind_method UNW_OBJ(unwind_method) extern int unwi_unwind_method; #define UNW_TRY_METHOD(x) (unwi_unwind_method & x) #endif /* ARM_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep-arm/ex_tables.h0000644000175000017500000000371713406556425015726 00000000000000/* libunwind - a platform-independent unwind library Copyright 2011 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef ARM_EX_TABLES_H #define ARM_EX_TABLES_H typedef enum arm_exbuf_cmd { ARM_EXIDX_CMD_FINISH, ARM_EXIDX_CMD_DATA_PUSH, ARM_EXIDX_CMD_DATA_POP, ARM_EXIDX_CMD_REG_POP, ARM_EXIDX_CMD_REG_TO_SP, ARM_EXIDX_CMD_VFP_POP, ARM_EXIDX_CMD_WREG_POP, ARM_EXIDX_CMD_WCGR_POP, ARM_EXIDX_CMD_RESERVED, ARM_EXIDX_CMD_REFUSED, } arm_exbuf_cmd_t; struct arm_exbuf_data { arm_exbuf_cmd_t cmd; uint32_t data; }; #define arm_exidx_extract UNW_OBJ(arm_exidx_extract) #define arm_exidx_decode UNW_OBJ(arm_exidx_decode) #define arm_exidx_apply_cmd UNW_OBJ(arm_exidx_apply_cmd) int arm_exidx_extract (struct dwarf_cursor *c, uint8_t *buf); int arm_exidx_decode (const uint8_t *buf, uint8_t len, struct dwarf_cursor *c); int arm_exidx_apply_cmd (struct arm_exbuf_data *edata, struct dwarf_cursor *c); #endif // ARM_EX_TABLES_H libunwind-1.3.2/include/tdep-ppc64/0000755000175000017500000000000013640673450014032 500000000000000libunwind-1.3.2/include/tdep-ppc64/dwarf-config.h0000644000175000017500000000413113406556425016472 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* For PPC64, 48 GPRs + 33 FPRs + 33 AltiVec + 1 SPE */ #define DWARF_NUM_PRESERVED_REGS 115 #define DWARF_REGNUM_MAP_LENGTH 115 /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) ((addr_space)->big_endian) /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see X86_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-ppc64/jmpbuf.h0000644000175000017500000000314713406556425015415 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ #define JB_SP 6 #define JB_RP 7 #define JB_MASK_SAVED 8 #define JB_MASK 9 libunwind-1.3.2/include/tdep-ppc64/libunwind_i.h0000644000175000017500000003061313406755365016437 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2006-2007 IBM Contributed by Corey Ashford Jose Flavio Aguilar Paulino Copied from libunwind-x86_64.h, modified slightly for building frysk successfully on ppc64, by Wu Zhou Will be replaced when libunwind is ready on ppc64 platform. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef PPC64_LIBUNWIND_I_H #define PPC64_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf64.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no ppc64-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; int big_endian; ppc64_abi_t abi; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; int validate; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ /* Format of sigcontext structure and address at which it is stored: */ enum { PPC_SCF_NONE, /* no signal frame encountered */ PPC_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */ } sigcontext_format; unw_word_t sigcontext_addr; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_VREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) static inline int dwarf_getvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_word_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_word_t *) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_LOC_TYPE_V (1 << 2) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_IS_V_LOC(l) (((l).type & DWARF_LOC_TYPE_V) != 0) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) # define DWARF_VREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_V)) static inline int dwarf_getvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) { unw_word_t *valp = (unw_word_t *) val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_V_LOC (loc)); assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 0, c->as_arg); } static inline int dwarf_putvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { unw_word_t *valp = (unw_word_t *) & val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_V_LOC (loc)); assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 1, c->as_arg); } static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) { unw_word_t *valp = (unw_word_t *) val; unw_word_t addr; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { unw_word_t *valp = (unw_word_t *) & val; unw_word_t addr; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; assert (DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t * val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); assert (!DWARF_IS_V_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #define tdep_get_func_addr UNW_OBJ(get_func_addr) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif extern int tdep_fetch_proc_info_post (struct dwarf_cursor *c, unw_word_t ip, int need_unwind_info); #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) ((as)->big_endian) extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t * di, unw_proc_info_t * pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t * uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t * valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t * valp, int write); extern int tdep_get_func_addr (unw_addr_space_t as, unw_word_t addr, unw_word_t *entry_point); #endif /* PPC64_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep-hppa/0000755000175000017500000000000013640673450014026 500000000000000libunwind-1.3.2/include/tdep-hppa/dwarf-config.h0000644000175000017500000000406213406556425016471 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2004 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* See DWARF_FRAME_REGNUM() macro in gcc/config/pa/pa32-regs.h: */ #define dwarf_to_unw_regnum(reg) \ (((reg) < DWARF_NUM_PRESERVED_REGS) ? (reg) : 0) /* This matches the value used by GCC (see gcc/config/pa/pa32-regs.h:FIRST_PSEUDO_REGISTER), which leaves plenty of room for expansion. */ #define DWARF_NUM_PRESERVED_REGS 89 /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) 1 /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see X86_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-hppa/jmpbuf.h0000644000175000017500000000257713406556425015417 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ #ifndef JB_SP # define JB_SP 19 #endif #define JB_RP 20 #define JB_MASK_SAVED 21 #define JB_MASK 22 libunwind-1.3.2/include/tdep-hppa/libunwind_i.h0000644000175000017500000002352113406755365016433 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef HPPA_LIBUNWIND_I_H #define HPPA_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf32.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no hppa-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ /* Format of sigcontext structure and address at which it is stored: */ enum { HPPA_SCF_NONE, /* no signal frame encountered */ HPPA_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */ } sigcontext_format; unw_word_t sigcontext_addr; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_word_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_word_t *) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) 1 extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #endif /* HPPA_LIBUNWIND_I_H */ libunwind-1.3.2/include/libunwind-hppa.h0000644000175000017500000000766013406556425015171 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #define UNW_TARGET hppa #define UNW_TARGET_HPPA 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 511 typedef uint32_t unw_word_t; typedef int32_t unw_sword_t; typedef union { struct { unw_word_t bits[2]; } raw; double val; } unw_tdep_fpreg_t; typedef enum { /* Note: general registers are expected to start with index 0. This convention facilitates architecture-independent implementation of the C++ exception handling ABI. See _Unwind_SetGR() and _Unwind_GetGR() for details. */ UNW_HPPA_GR = 0, UNW_HPPA_RP = 2, /* return pointer */ UNW_HPPA_FP = 3, /* frame pointer */ UNW_HPPA_SP = UNW_HPPA_GR + 30, UNW_HPPA_FR = UNW_HPPA_GR + 32, UNW_HPPA_IP = UNW_HPPA_FR + 32, /* instruction pointer */ /* other "preserved" registers (fpsr etc.)... */ /* PA-RISC has 4 exception-argument registers but they're not contiguous. To deal with this, we define 4 pseudo exception-handling registers which we then alias to the actual physical register. */ UNW_HPPA_EH0 = UNW_HPPA_IP + 1, /* alias for UNW_HPPA_GR + 20 */ UNW_HPPA_EH1 = UNW_HPPA_EH0 + 1, /* alias for UNW_HPPA_GR + 21 */ UNW_HPPA_EH2 = UNW_HPPA_EH1 + 1, /* alias for UNW_HPPA_GR + 22 */ UNW_HPPA_EH3 = UNW_HPPA_EH2 + 1, /* alias for UNW_HPPA_GR + 31 */ /* frame info (read-only) */ UNW_HPPA_CFA, UNW_TDEP_LAST_REG = UNW_HPPA_IP, UNW_TDEP_IP = UNW_HPPA_IP, UNW_TDEP_SP = UNW_HPPA_SP, UNW_TDEP_EH = UNW_HPPA_EH0 } hppa_regnum_t; #define UNW_TDEP_NUM_EH_REGS 4 typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On PA-RISC, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; #define unw_tdep_is_fpreg(r) ((unsigned) ((r) - UNW_HPPA_FR) < 32) #include "libunwind-dynamic.h" typedef struct { /* no PA-RISC-specific auxiliary proc-info */ } unw_tdep_proc_info_t; #include "libunwind-common.h" #define unw_tdep_getcontext UNW_ARCH_OBJ (getcontext) extern int unw_tdep_getcontext (unw_tdep_context_t *); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/tdep-tilegx/0000755000175000017500000000000013640673450014372 500000000000000libunwind-1.3.2/include/tdep-tilegx/dwarf-config.h0000644000175000017500000000353313406556425017037 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h /* This is FIRST_PSEUDO_REGISTER in GCC, since DWARF_FRAME_REGISTERS is not explicitly defined. */ #define DWARF_NUM_PRESERVED_REGS 188 #define DWARF_REGNUM_MAP_LENGTH (56 + 2) /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) ((addr_space)->big_endian) /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-tilegx/jmpbuf.h0000644000175000017500000000254113406556425015752 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ /* FIXME for Tilegx! */ #define JB_SP 4 #define JB_RP 5 #define JB_MASK_SAVED 6 #define JB_MASK 7 libunwind-1.3.2/include/tdep-tilegx/libunwind_i.h0000644000175000017500000002165213406755365017002 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2014 Tilera Corp. This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef TILEGX_LIBUNWIND_I_H #define TILEGX_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include # include "elf64.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no Tilegx-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; int big_endian; tilegx_abi_t abi; unsigned int addr_size; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; #define tdep_big_endian(as) ((as)->big_endian) struct cursor { struct dwarf_cursor dwarf; /* must be first */ unw_word_t sigcontext_addr; unw_word_t sigcontext_sp; unw_word_t sigcontext_pc; }; #define DWARF_GET_LOC(l) ((l).val) #ifndef UNW_REMOTE_ONLY typedef long tilegx_reg_t; #endif #ifdef UNW_LOCAL_ONLY #define DWARF_NULL_LOC DWARF_LOC (0, 0) #define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) #define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) #define DWARF_IS_REG_LOC(l) 0 #define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) #define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) #define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) /* Tilegx has no FP. */ static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { Debug (1, "Tielgx has no fp!\n"); abort(); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { Debug (1, "Tielgx has no fp!\n"); abort(); return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(tilegx_reg_t *) (intptr_t) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(tilegx_reg_t *) (intptr_t) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ #define DWARF_LOC_TYPE_FP (1 << 0) #define DWARF_LOC_TYPE_REG (1 << 1) #define DWARF_NULL_LOC DWARF_LOC (0, 0) #define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) #define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) #define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) #define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) #define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) #define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) #define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) /* TILEGX has no fp. */ static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { Debug (1, "Tielgx has no fp!\n"); abort(); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { Debug (1, "Tielgx has no fp!\n"); abort(); return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_needs_initialization UNW_OBJ(needs_initialization) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #ifdef UNW_LOCAL_ONLY #define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) #define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else #define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) #define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (ucontext_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #endif /* TILEGX_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep-sh/0000755000175000017500000000000013640673450013510 500000000000000libunwind-1.3.2/include/tdep-sh/dwarf-config.h0000644000175000017500000000345513406556425016160 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_config_h #define dwarf_config_h #define DWARF_NUM_PRESERVED_REGS 18 #define dwarf_to_unw_regnum(reg) (((reg) <= UNW_SH_PR) ? (reg) : 0) /* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ #define dwarf_is_big_endian(addr_space) ((addr_space)->big_endian) /* Convert a pointer to a dwarf_cursor structure to a pointer to unw_cursor_t. */ #define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) typedef struct dwarf_loc { unw_word_t val; #ifndef UNW_LOCAL_ONLY unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */ #endif } dwarf_loc_t; #endif /* dwarf_config_h */ libunwind-1.3.2/include/tdep-sh/jmpbuf.h0000644000175000017500000000301513406556425015065 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP: */ /* SH4 glibc jump buffer contents: * 0. r8 * 1. r9 * 2. r10 * 3. r11 * 4. r12 * 5. r13 * 6. r14 * 7. r15 * 8. pr/pc * 9. gbr * 10. fpscr * 11. fr12 * 12. fr13 * 13. fr14 * 14. fr15 */ #define JB_SP 7 #define JB_RP 8 #define JB_MASK_SAVED 15 #define JB_MASK 16 libunwind-1.3.2/include/tdep-sh/libunwind_i.h0000644000175000017500000002357713406755365016130 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2008 CodeSourcery Copyright (C) 2012 Tommi Rantala This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef SH_LIBUNWIND_I_H #define SH_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include #include #include "elf32.h" #include "mempool.h" #include "dwarf.h" typedef struct { /* no sh-specific fast trace */ } unw_tdep_frame_t; struct unw_addr_space { struct unw_accessors acc; int big_endian; unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; /* see dyn-common.h */ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ struct dwarf_rs_cache global_cache; struct unw_debug_frame_list *debug_frames; }; struct cursor { struct dwarf_cursor dwarf; /* must be first */ enum { SH_SCF_NONE, /* no signal frame */ SH_SCF_LINUX_SIGFRAME, /* non-RT signal frame */ SH_SCF_LINUX_RT_SIGFRAME, /* RT signal frame */ } sigcontext_format; unw_word_t sigcontext_addr; unw_word_t sigcontext_sp; unw_word_t sigcontext_pc; }; #define DWARF_GET_LOC(l) ((l).val) #ifdef UNW_LOCAL_ONLY # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) # define DWARF_IS_REG_LOC(l) 0 # define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ tdep_uc_addr((c)->as_arg, (r)), 0)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val; return 0; } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (!DWARF_GET_LOC (loc)) return -1; *val = *(unw_word_t *) DWARF_GET_LOC (loc); return 0; } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (!DWARF_GET_LOC (loc)) return -1; *(unw_word_t *) DWARF_GET_LOC (loc) = val; return 0; } #else /* !UNW_LOCAL_ONLY */ # define DWARF_LOC_TYPE_FP (1 << 0) # define DWARF_LOC_TYPE_REG (1 << 1) # define DWARF_NULL_LOC DWARF_LOC (0, 0) # define DWARF_IS_NULL_LOC(l) \ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) # define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) # define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) # define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) # define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) # define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) # define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ | DWARF_LOC_TYPE_FP)) static inline int dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 0, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, c->as_arg); } static inline int dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) { char *valp = (char *) &val; unw_word_t addr; int ret; if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); addr = DWARF_GET_LOC (loc); if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 1, c->as_arg)) < 0) return ret; return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 1, c->as_arg); } static inline int dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 0, c->as_arg); } static inline int dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) { if (DWARF_IS_NULL_LOC (loc)) return -UNW_EBADREG; /* If a code-generator were to save a value of type unw_word_t in a floating-point register, we would have to support this case. I suppose it could happen with MMX registers, but does it really happen? */ assert (!DWARF_IS_FP_LOC (loc)); if (DWARF_IS_REG_LOC (loc)) return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); else return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 1, c->as_arg); } #endif /* !UNW_LOCAL_ONLY */ #define tdep_getcontext_trace unw_getcontext #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table dwarf_search_unwind_table #define tdep_find_unwind_table dwarf_find_unwind_table #define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ dwarf_put_unwind_info((as), (pi), (arg)) #else # define tdep_find_proc_info(c,ip,n) \ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ (c)->as_arg) # define tdep_put_unwind_info(as,pi,arg) \ (*(as)->acc.put_unwind_info)((as), (pi), (arg)) #endif #define tdep_get_as(c) ((c)->dwarf.as) #define tdep_get_as_arg(c) ((c)->dwarf.as_arg) #define tdep_get_ip(c) ((c)->dwarf.ip) #define tdep_big_endian(as) ((as)->big_endian) extern int tdep_init_done; extern void tdep_init (void); extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, unw_dyn_info_t *di, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); #endif /* SH_LIBUNWIND_I_H */ libunwind-1.3.2/include/compiler.h0000644000175000017500000000477413406755365014071 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Copyright (C) 2007 David Mosberger-Tang Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Compiler specific useful bits that are used in libunwind, and also in the * tests. */ #ifndef COMPILER_H #define COMPILER_H #ifdef __GNUC__ # define ALIGNED(x) __attribute__((aligned(x))) # define CONST_ATTR __attribute__((__const__)) # define UNUSED __attribute__((unused)) # define NOINLINE __attribute__((noinline)) # define NORETURN __attribute__((noreturn)) # define ALIAS2(name) #name # define ALIAS(name) __attribute__((alias (ALIAS2(name)))) # if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) # define ALWAYS_INLINE inline __attribute__((always_inline)) # define HIDDEN __attribute__((visibility ("hidden"))) # else # define ALWAYS_INLINE # define HIDDEN # endif # define WEAK __attribute__((weak)) # if (__GNUC__ >= 3) # define likely(x) __builtin_expect ((x), 1) # define unlikely(x) __builtin_expect ((x), 0) # else # define likely(x) (x) # define unlikely(x) (x) # endif #else # define ALIGNED(x) # define ALWAYS_INLINE # define CONST_ATTR # define UNUSED # define NOINLINE # define NORETURN # define ALIAS(name) # define HIDDEN # define WEAK # define likely(x) (x) # define unlikely(x) (x) #endif #define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0])) #endif /* COMPILER_H */ libunwind-1.3.2/include/dwarf-eh.h0000644000175000017500000001342613640667603013743 00000000000000/* libunwind - a platform-independent unwind library Copyright (c) 2003 Hewlett-Packard Development Company, L.P. Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef dwarf_eh_h #define dwarf_eh_h #include "dwarf.h" /* This header file defines the format of a DWARF exception-header section (.eh_frame_hdr, pointed to by program-header PT_GNU_EH_FRAME). The exception-header is self-describing in the sense that the format of the addresses contained in it is expressed as a one-byte type-descriptor called a "pointer-encoding" (PE). The exception header encodes the address of the .eh_frame section and optionally contains a binary search table for the Frame Descriptor Entries (FDEs) in the .eh_frame. The contents of .eh_frame has the format described by the DWARF v3 standard (http://www.eagercon.com/dwarf/dwarf3std.htm), except that code addresses may be encoded in different ways. Also, .eh_frame has augmentations that allow encoding a language-specific data-area (LSDA) pointer and a pointer to a personality-routine. Details: The Common Information Entry (CIE) associated with an FDE may contain an augmentation string. Each character in this string has a specific meaning and either one or two associated operands. The operands are stored in an augmentation body which appears right after the "return_address_register" member and before the "initial_instructions" member. The operands appear in the order in which the characters appear in the string. For example, if the augmentation string is "zL", the operand for 'z' would be first in the augmentation body and the operand for 'L' would be second. The following characters are supported for the CIE augmentation string: 'z': The operand for this character is a uleb128 value that gives the length of the CIE augmentation body, not counting the length of the uleb128 operand itself. If present, this code must appear as the first character in the augmentation body. 'L': Indicates that the FDE's augmentation body contains an LSDA pointer. The operand for this character is a single byte that specifies the pointer-encoding (PE) that is used for the LSDA pointer. 'R': Indicates that the code-pointers (FDE members "initial_location" and "address_range" and the operand for DW_CFA_set_loc) in the FDE have a non-default encoding. The operand for this character is a single byte that specifies the pointer-encoding (PE) that is used for the code-pointers. Note: the "address_range" member is always encoded as an absolute value. Apart from that, the specified FDE pointer-encoding applies. 'P': Indicates the presence of a personality routine (handler). The first operand for this character specifies the pointer-encoding (PE) that is used for the second operand, which specifies the address of the personality routine. If the augmentation string contains any other characters, the remainder of the augmentation string should be ignored. Furthermore, if the size of the augmentation body is unknown (i.e., 'z' is not the first character of the augmentation string), then the entire CIE as well all associated FDEs must be ignored. A Frame Descriptor Entries (FDE) may contain an augmentation body which, if present, appears right after the "address_range" member and before the "instructions" member. The contents of this body is implicitly defined by the augmentation string of the associated CIE. The meaning of the characters in the CIE's augmentation string as far as FDEs are concerned is as follows: 'z': The first operand in the FDE's augmentation body specifies the total length of the augmentation body as a uleb128 (not counting the length of the uleb128 operand itself). 'L': The operand for this character is an LSDA pointer, encoded in the format specified by the corresponding operand in the CIE's augmentation body. */ #define DW_EH_VERSION 1 /* The version we're implementing */ struct __attribute__((packed)) dwarf_eh_frame_hdr { unsigned char version; unsigned char eh_frame_ptr_enc; unsigned char fde_count_enc; unsigned char table_enc; Elf_W (Addr) eh_frame; /* The rest of the header is variable-length and consists of the following members: encoded_t fde_count; struct { encoded_t start_ip; // first address covered by this FDE encoded_t fde_addr; // address of the FDE } binary_search_table[fde_count]; */ }; #endif /* dwarf_eh_h */ libunwind-1.3.2/include/unwind.h0000644000175000017500000001400113406556425013537 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _UNWIND_H #define _UNWIND_H /* For uint64_t */ #include #ifdef __cplusplus extern "C" { #endif /* Minimal interface as per C++ ABI draft standard: http://www.codesourcery.com/cxx-abi/abi-eh.html */ typedef enum { _URC_NO_REASON = 0, _URC_FOREIGN_EXCEPTION_CAUGHT = 1, _URC_FATAL_PHASE2_ERROR = 2, _URC_FATAL_PHASE1_ERROR = 3, _URC_NORMAL_STOP = 4, _URC_END_OF_STACK = 5, _URC_HANDLER_FOUND = 6, _URC_INSTALL_CONTEXT = 7, _URC_CONTINUE_UNWIND = 8 } _Unwind_Reason_Code; typedef int _Unwind_Action; #define _UA_SEARCH_PHASE 1 #define _UA_CLEANUP_PHASE 2 #define _UA_HANDLER_FRAME 4 #define _UA_FORCE_UNWIND 8 struct _Unwind_Context; /* opaque data-structure */ struct _Unwind_Exception; /* forward-declaration */ typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code, struct _Unwind_Exception *); typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn) (int, _Unwind_Action, uint64_t, struct _Unwind_Exception *, struct _Unwind_Context *, void *); /* The C++ ABI requires exception_class, private_1, and private_2 to be of type uint64 and the entire structure to be double-word-aligned. Please note that exception_class stays 64-bit even on 32-bit machines for gcc compatibility. */ struct _Unwind_Exception { uint64_t exception_class; _Unwind_Exception_Cleanup_Fn exception_cleanup; unsigned long private_1; unsigned long private_2; } __attribute__((__aligned__)); extern _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *); extern _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); extern void _Unwind_Resume (struct _Unwind_Exception *); extern void _Unwind_DeleteException (struct _Unwind_Exception *); extern unsigned long _Unwind_GetGR (struct _Unwind_Context *, int); extern void _Unwind_SetGR (struct _Unwind_Context *, int, unsigned long); extern unsigned long _Unwind_GetIP (struct _Unwind_Context *); extern unsigned long _Unwind_GetIPInfo (struct _Unwind_Context *, int *); extern void _Unwind_SetIP (struct _Unwind_Context *, unsigned long); extern unsigned long _Unwind_GetLanguageSpecificData (struct _Unwind_Context*); extern unsigned long _Unwind_GetRegionStart (struct _Unwind_Context *); #ifdef _GNU_SOURCE /* Callback for _Unwind_Backtrace(). The backtrace stops immediately if the callback returns any value other than _URC_NO_REASON. */ typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn) (struct _Unwind_Context *, void *); /* See http://gcc.gnu.org/ml/gcc-patches/2001-09/msg00082.html for why _UA_END_OF_STACK exists. */ # define _UA_END_OF_STACK 16 /* If the unwind was initiated due to a forced unwind, resume that operation, else re-raise the exception. This is used by __cxa_rethrow(). */ extern _Unwind_Reason_Code _Unwind_Resume_or_Rethrow (struct _Unwind_Exception *); /* See http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00154.html for why _Unwind_GetBSP() exists. */ extern unsigned long _Unwind_GetBSP (struct _Unwind_Context *); /* Return the "canonical frame address" for the given context. This is used by NPTL... */ extern unsigned long _Unwind_GetCFA (struct _Unwind_Context *); /* Return the base-address for data references. */ extern unsigned long _Unwind_GetDataRelBase (struct _Unwind_Context *); /* Return the base-address for text references. */ extern unsigned long _Unwind_GetTextRelBase (struct _Unwind_Context *); /* Call _Unwind_Trace_Fn once for each stack-frame, without doing any cleanup. The first frame for which the callback is invoked is the one for the caller of _Unwind_Backtrace(). _Unwind_Backtrace() returns _URC_END_OF_STACK when the backtrace stopped due to reaching the end of the call-chain or _URC_FATAL_PHASE1_ERROR if it stops for any other reason. */ extern _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn, void *); /* Find the start-address of the procedure containing the specified IP or NULL if it cannot be found (e.g., because the function has no unwind info). Note: there is not necessarily a one-to-one correspondence between source-level functions and procedures: some functions don't have unwind-info and others are split into multiple procedures. */ extern void *_Unwind_FindEnclosingFunction (void *); /* See also Linux Standard Base Spec: http://www.linuxbase.org/spec/refspecs/LSB_1.3.0/gLSB/gLSB/libgcc-s.html */ #endif /* _GNU_SOURCE */ #ifdef __cplusplus }; #endif #endif /* _UNWIND_H */ libunwind-1.3.2/include/libunwind-aarch64.h0000644000175000017500000001315613640667603015467 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2013 Linaro Limited This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef LIBUNWIND_H #define LIBUNWIND_H #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif #include #include #include #define UNW_TARGET aarch64 #define UNW_TARGET_AARCH64 1 #define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ /* This needs to be big enough to accommodate "struct cursor", while leaving some slack for future expansion. Changing this value will require recompiling all users of this library. Stack allocation is relatively cheap and unwind-state copying is relatively rare, so we want to err on making it rather too big than too small. */ #define UNW_TDEP_CURSOR_LEN 512 typedef uint64_t unw_word_t; typedef int64_t unw_sword_t; typedef long double unw_tdep_fpreg_t; typedef struct { /* no aarch64-specific auxiliary proc-info */ } unw_tdep_proc_info_t; typedef enum { /* 64-bit general registers. */ UNW_AARCH64_X0, UNW_AARCH64_X1, UNW_AARCH64_X2, UNW_AARCH64_X3, UNW_AARCH64_X4, UNW_AARCH64_X5, UNW_AARCH64_X6, UNW_AARCH64_X7, UNW_AARCH64_X8, /* Temporary registers. */ UNW_AARCH64_X9, UNW_AARCH64_X10, UNW_AARCH64_X11, UNW_AARCH64_X12, UNW_AARCH64_X13, UNW_AARCH64_X14, UNW_AARCH64_X15, /* Intra-procedure-call temporary registers. */ UNW_AARCH64_X16, UNW_AARCH64_X17, /* Callee-saved registers. */ UNW_AARCH64_X18, UNW_AARCH64_X19, UNW_AARCH64_X20, UNW_AARCH64_X21, UNW_AARCH64_X22, UNW_AARCH64_X23, UNW_AARCH64_X24, UNW_AARCH64_X25, UNW_AARCH64_X26, UNW_AARCH64_X27, UNW_AARCH64_X28, /* 64-bit frame pointer. */ UNW_AARCH64_X29, /* 64-bit link register. */ UNW_AARCH64_X30, /* 64-bit stack pointer. */ UNW_AARCH64_SP = 31, UNW_AARCH64_PC, UNW_AARCH64_PSTATE, /* 128-bit FP/Advanced SIMD registers. */ UNW_AARCH64_V0 = 64, UNW_AARCH64_V1, UNW_AARCH64_V2, UNW_AARCH64_V3, UNW_AARCH64_V4, UNW_AARCH64_V5, UNW_AARCH64_V6, UNW_AARCH64_V7, UNW_AARCH64_V8, UNW_AARCH64_V9, UNW_AARCH64_V10, UNW_AARCH64_V11, UNW_AARCH64_V12, UNW_AARCH64_V13, UNW_AARCH64_V14, UNW_AARCH64_V15, UNW_AARCH64_V16, UNW_AARCH64_V17, UNW_AARCH64_V18, UNW_AARCH64_V19, UNW_AARCH64_V20, UNW_AARCH64_V21, UNW_AARCH64_V22, UNW_AARCH64_V23, UNW_AARCH64_V24, UNW_AARCH64_V25, UNW_AARCH64_V26, UNW_AARCH64_V27, UNW_AARCH64_V28, UNW_AARCH64_V29, UNW_AARCH64_V30, UNW_AARCH64_V31, UNW_AARCH64_FPSR, UNW_AARCH64_FPCR, /* For AArch64, the CFA is the value of SP (x31) at the call site of the previous frame. */ UNW_AARCH64_CFA = UNW_AARCH64_SP, UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR, UNW_TDEP_IP = UNW_AARCH64_X30, UNW_TDEP_SP = UNW_AARCH64_SP, UNW_TDEP_EH = UNW_AARCH64_X0, } aarch64_regnum_t; /* Use R0 through R3 to pass exception handling information. */ #define UNW_TDEP_NUM_EH_REGS 4 typedef struct unw_tdep_save_loc { /* Additional target-dependent info on a save location. */ } unw_tdep_save_loc_t; /* On AArch64, we can directly use ucontext_t as the unwind context. */ typedef ucontext_t unw_tdep_context_t; #include "libunwind-common.h" #include "libunwind-dynamic.h" #define unw_tdep_getcontext(uc) (({ \ unw_tdep_context_t *unw_ctx = (uc); \ register uint64_t *unw_base asm ("x0") = (uint64_t*) unw_ctx->uc_mcontext.regs; \ __asm__ __volatile__ ( \ "stp x0, x1, [%[base], #0]\n" \ "stp x2, x3, [%[base], #16]\n" \ "stp x4, x5, [%[base], #32]\n" \ "stp x6, x7, [%[base], #48]\n" \ "stp x8, x9, [%[base], #64]\n" \ "stp x10, x11, [%[base], #80]\n" \ "stp x12, x13, [%[base], #96]\n" \ "stp x14, x13, [%[base], #112]\n" \ "stp x16, x17, [%[base], #128]\n" \ "stp x18, x19, [%[base], #144]\n" \ "stp x20, x21, [%[base], #160]\n" \ "stp x22, x23, [%[base], #176]\n" \ "stp x24, x25, [%[base], #192]\n" \ "stp x26, x27, [%[base], #208]\n" \ "stp x28, x29, [%[base], #224]\n" \ "str x30, [%[base], #240]\n" \ "mov x1, sp\n" \ "stp x1, x30, [%[base], #248]\n" \ : [base] "+r" (unw_base) : : "x1", "memory"); \ }), 0) #define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) extern int unw_tdep_is_fpreg (int); #if defined(__cplusplus) || defined(c_plusplus) } #endif #endif /* LIBUNWIND_H */ libunwind-1.3.2/include/tdep-ia64/0000755000175000017500000000000013640673450013641 500000000000000libunwind-1.3.2/include/tdep-ia64/script.h0000644000175000017500000000650513406556425015246 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define IA64_LOG_UNW_CACHE_SIZE 7 #define IA64_UNW_CACHE_SIZE (1 << IA64_LOG_UNW_CACHE_SIZE) #define IA64_LOG_UNW_HASH_SIZE (IA64_LOG_UNW_CACHE_SIZE + 1) #define IA64_UNW_HASH_SIZE (1 << IA64_LOG_UNW_HASH_SIZE) typedef unsigned char unw_hash_index_t; struct ia64_script_insn { unsigned int opc; /* see enum ia64_script_insn_opcode */ unsigned int dst; unw_word_t val; }; /* Updating each preserved register may result in one script instruction each. At the end of the script, psp gets popped, accounting for one more instruction. */ #define IA64_MAX_SCRIPT_LEN (IA64_NUM_PREGS + 1) struct ia64_script { unw_word_t ip; /* ip this script is for */ unw_word_t pr_mask; /* mask of predicates script depends on */ unw_word_t pr_val; /* predicate values this script is for */ unw_proc_info_t pi; /* info about underlying procedure */ unsigned short lru_chain; /* used for least-recently-used chain */ unsigned short coll_chain; /* used for hash collisions */ unsigned short hint; /* hint for next script to try (or -1) */ unsigned short count; /* number of instructions in script */ unsigned short abi_marker; struct ia64_script_insn insn[IA64_MAX_SCRIPT_LEN]; }; struct ia64_script_cache { #ifdef HAVE_ATOMIC_OPS_H AO_TS_t busy; /* is the script-cache busy? */ #else pthread_mutex_t lock; #endif unsigned short lru_head; /* index of lead-recently used script */ unsigned short lru_tail; /* index of most-recently used script */ /* hash table that maps instruction pointer to script index: */ unsigned short hash[IA64_UNW_HASH_SIZE]; uint32_t generation; /* generation number */ /* script cache: */ struct ia64_script buckets[IA64_UNW_CACHE_SIZE]; }; #define ia64_cache_proc_info UNW_OBJ(cache_proc_info) #define ia64_get_cached_proc_info UNW_OBJ(get_cached_proc_info) struct cursor; /* forward declaration */ extern int ia64_cache_proc_info (struct cursor *c); extern int ia64_get_cached_proc_info (struct cursor *c); libunwind-1.3.2/include/tdep-ia64/jmpbuf.h0000644000175000017500000000261513406556425015223 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Use glibc's jump-buffer indices; NPTL peeks at SP and BSP: */ #define JB_SP 0 #define JB_RP 8 #define JB_BSP 17 #define JB_MASK_SAVED 70 #define JB_MASK 71 libunwind-1.3.2/include/tdep-ia64/libunwind_i.h0000644000175000017500000002574113406755365016254 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef IA64_LIBUNWIND_I_H #define IA64_LIBUNWIND_I_H /* Target-dependent definitions that are internal to libunwind but need to be shared with target-independent code. */ #include "elf64.h" #include "mempool.h" typedef struct { /* no ia64-specific fast trace */ } unw_tdep_frame_t; enum ia64_pregnum { /* primary unat: */ IA64_REG_PRI_UNAT_GR, IA64_REG_PRI_UNAT_MEM, /* memory stack (order matters: see build_script() */ IA64_REG_PSP, /* previous memory stack pointer */ /* register stack */ IA64_REG_BSP, /* register stack pointer */ IA64_REG_BSPSTORE, IA64_REG_PFS, /* previous function state */ IA64_REG_RNAT, /* instruction pointer: */ IA64_REG_IP, /* preserved registers: */ IA64_REG_R4, IA64_REG_R5, IA64_REG_R6, IA64_REG_R7, IA64_REG_NAT4, IA64_REG_NAT5, IA64_REG_NAT6, IA64_REG_NAT7, IA64_REG_UNAT, IA64_REG_PR, IA64_REG_LC, IA64_REG_FPSR, IA64_REG_B1, IA64_REG_B2, IA64_REG_B3, IA64_REG_B4, IA64_REG_B5, IA64_REG_F2, IA64_REG_F3, IA64_REG_F4, IA64_REG_F5, IA64_REG_F16, IA64_REG_F17, IA64_REG_F18, IA64_REG_F19, IA64_REG_F20, IA64_REG_F21, IA64_REG_F22, IA64_REG_F23, IA64_REG_F24, IA64_REG_F25, IA64_REG_F26, IA64_REG_F27, IA64_REG_F28, IA64_REG_F29, IA64_REG_F30, IA64_REG_F31, IA64_NUM_PREGS }; #ifdef UNW_LOCAL_ONLY typedef unw_word_t ia64_loc_t; #else /* !UNW_LOCAL_ONLY */ typedef struct ia64_loc { unw_word_t w0, w1; } ia64_loc_t; #endif /* !UNW_LOCAL_ONLY */ #include "script.h" #define ABI_UNKNOWN 0 #define ABI_LINUX 1 #define ABI_HPUX 2 #define ABI_FREEBSD 3 #define ABI_OPENVMS 4 #define ABI_NSK 5 /* Tandem/HP Non-Stop Kernel */ #define ABI_WINDOWS 6 struct unw_addr_space { struct unw_accessors acc; int big_endian; int abi; /* abi < 0 => unknown, 0 => SysV, 1 => HP-UX, 2 => Windows */ unw_caching_policy_t caching_policy; #ifdef HAVE_ATOMIC_OPS_H AO_t cache_generation; #else uint32_t cache_generation; #endif unw_word_t dyn_generation; unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ #ifndef UNW_REMOTE_ONLY unsigned long long shared_object_removals; #endif struct ia64_script_cache global_cache; }; /* Note: The ABI numbers in the ABI-markers (.unwabi directive) are not the same as the above ABI numbers. */ #define ABI_MARKER_OLD_LINUX_SIGTRAMP ((0 << 8) | 's') #define ABI_MARKER_OLD_LINUX_INTERRUPT ((0 << 8) | 'i') #define ABI_MARKER_HP_UX_SIGTRAMP ((1 << 8) | 1) #define ABI_MARKER_LINUX_SIGTRAMP ((3 << 8) | 's') #define ABI_MARKER_LINUX_INTERRUPT ((3 << 8) | 'i') struct cursor { void *as_arg; /* argument to address-space callbacks */ unw_addr_space_t as; /* reference to per-address-space info */ /* IP, CFM, and predicate cache (these are always equal to the values stored in ip_loc, cfm_loc, and pr_loc, respectively). */ unw_word_t ip; /* instruction pointer value */ unw_word_t cfm; /* current frame mask */ unw_word_t pr; /* current predicate values */ /* current frame info: */ unw_word_t bsp; /* backing store pointer value */ unw_word_t sp; /* stack pointer value */ unw_word_t psp; /* previous sp value */ ia64_loc_t cfm_loc; /* cfm save location (or NULL) */ ia64_loc_t ec_loc; /* ar.ec save location (usually cfm_loc) */ ia64_loc_t loc[IA64_NUM_PREGS]; unw_word_t eh_args[4]; /* exception handler arguments */ unw_word_t sigcontext_addr; /* address of sigcontext or 0 */ unw_word_t sigcontext_off; /* sigcontext-offset relative to signal sp */ short hint; short prev_script; uint8_t nat_bitnr[4]; /* NaT bit numbers for r4-r7 */ uint16_t abi_marker; /* abi_marker for current frame (if any) */ uint16_t last_abi_marker; /* last abi_marker encountered so far */ uint8_t eh_valid_mask; unsigned int pi_valid :1; /* is proc_info valid? */ unsigned int pi_is_dynamic :1; /* proc_info found via dynamic proc info? */ unw_proc_info_t pi; /* info about current procedure */ /* In case of stack-discontiguities, such as those introduced by signal-delivery on an alternate signal-stack (see sigaltstack(2)), we use the following data-structure to keep track of the register-backing-store areas across on which the current frame may be backed up. Since there are at most 96 stacked registers and since we only have to track the current frame and only areas that are not empty, this puts an upper limit on the # of backing-store areas we have to track. Note that the rbs-area indexed by rbs_curr identifies the rbs-area that was in effect at the time AR.BSP had the value c->bsp. However, this rbs area may not actually contain the value in the register that c->bsp corresponds to because that register may not have gotten spilled until much later, when a possibly different rbs-area might have been in effect already. */ uint8_t rbs_curr; /* index of curr. rbs-area (contains c->bsp) */ uint8_t rbs_left_edge; /* index of inner-most valid rbs-area */ struct rbs_area { unw_word_t end; unw_word_t size; ia64_loc_t rnat_loc; } rbs_area[96 + 2]; /* 96 stacked regs + 1 extra stack on each side... */ }; struct ia64_global_unwind_state { pthread_mutex_t lock; /* global data lock */ volatile char init_done; /* Table of registers that prologues can save (and order in which they're saved). */ const unsigned char save_order[8]; /* * uc_addr() may return pointers to these variables. We need to * make sure they don't get written via ia64_put() or * ia64_putfp(). To make it possible to test for these variables * quickly, we collect them in a single sub-structure. */ struct { unw_word_t r0; /* r0 is byte-order neutral */ unw_fpreg_t f0; /* f0 is byte-order neutral */ unw_fpreg_t f1_le, f1_be; /* f1 is byte-order dependent */ } read_only; unw_fpreg_t nat_val_le, nat_val_be; unw_fpreg_t int_val_le, int_val_be; struct mempool reg_state_pool; struct mempool labeled_state_pool; # if UNW_DEBUG const char *preg_name[IA64_NUM_PREGS]; # endif }; #define tdep_getcontext_trace unw_getcontext #define tdep_init_done unw.init_done #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define tdep_search_unwind_table. */ #define tdep_search_unwind_table unw_search_ia64_unwind_table #define tdep_find_unwind_table ia64_find_unwind_table #define tdep_find_proc_info UNW_OBJ(find_proc_info) #define tdep_uc_addr UNW_OBJ(uc_addr) #define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) #define tdep_get_exe_image_path UNW_ARCH_OBJ(get_exe_image_path) #define tdep_access_reg UNW_OBJ(access_reg) #define tdep_access_fpreg UNW_OBJ(access_fpreg) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c) 0 #define tdep_reuse_frame(c,frame) do {} while(0) #define tdep_stash_frame(c,rs) do {} while(0) #define tdep_trace(cur,addr,n) (-UNW_ENOINFO) #define tdep_get_as(c) ((c)->as) #define tdep_get_as_arg(c) ((c)->as_arg) #define tdep_get_ip(c) ((c)->ip) #define tdep_big_endian(as) ((c)->as->big_endian != 0) #ifndef UNW_LOCAL_ONLY # define tdep_put_unwind_info UNW_OBJ(put_unwind_info) #endif /* This can't be an UNW_ARCH_OBJ() because we need separate unw.initialized flags for the local-only and generic versions of the library. Also, if we wanted to have a single, shared global data structure, we couldn't declare "unw" as HIDDEN. */ #define unw UNW_OBJ(data) extern void tdep_init (void); extern int tdep_find_unwind_table (struct elf_dyn_info *edi, unw_addr_space_t as, char *path, unw_word_t segbase, unw_word_t mapoff, unw_word_t ip); extern int tdep_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, int need_unwind_info, void *arg); extern void tdep_put_unwind_info (unw_addr_space_t as, unw_proc_info_t *pi, void *arg); extern void *tdep_uc_addr (ucontext_t *uc, unw_regnum_t regnum, uint8_t *nat_bitnr); extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, unsigned long *segbase, unsigned long *mapoff, char *path, size_t pathlen); extern void tdep_get_exe_image_path (char *path); extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); extern struct ia64_global_unwind_state unw; /* In user-level, we have no reasonable way of determining the base of an arbitrary backing-store. We default to half the address-space. */ #define rbs_get_base(c,bspstore,rbs_basep) \ (*(rbs_basep) = (bspstore) - (((unw_word_t) 1) << 63), 0) #endif /* IA64_LIBUNWIND_I_H */ libunwind-1.3.2/include/tdep-ia64/rse.h0000644000175000017500000000305313406556425014526 00000000000000/* * Copyright (C) 1998, 1999, 2002, 2003, 2005 Hewlett-Packard Co * David Mosberger-Tang * * Register stack engine related helper functions. This file may be * used in applications, so be careful about the name-space and give * some consideration to non-GNU C compilers (though __inline__ is * fine). */ #ifndef RSE_H #define RSE_H #include static inline uint64_t rse_slot_num (uint64_t addr) { return (addr >> 3) & 0x3f; } /* * Return TRUE if ADDR is the address of an RNAT slot. */ static inline uint64_t rse_is_rnat_slot (uint64_t addr) { return rse_slot_num (addr) == 0x3f; } /* * Returns the address of the RNAT slot that covers the slot at * address SLOT_ADDR. */ static inline uint64_t rse_rnat_addr (uint64_t slot_addr) { return slot_addr | (0x3f << 3); } /* * Calculate the number of registers in the dirty partition starting at * BSPSTORE and ending at BSP. This isn't simply (BSP-BSPSTORE)/8 * because every 64th slot stores ar.rnat. */ static inline uint64_t rse_num_regs (uint64_t bspstore, uint64_t bsp) { uint64_t slots = (bsp - bspstore) >> 3; return slots - (rse_slot_num(bspstore) + slots)/0x40; } /* * The inverse of the above: given bspstore and the number of * registers, calculate ar.bsp. */ static inline uint64_t rse_skip_regs (uint64_t addr, long num_regs) { long delta = rse_slot_num(addr) + num_regs; if (num_regs < 0) delta -= 0x3e; return addr + ((num_regs + delta/0x3f) << 3); } #endif /* RSE_H */ libunwind-1.3.2/config/0000755000175000017500000000000013640673451011767 500000000000000libunwind-1.3.2/config/missing0000755000175000017500000001533613640673441013315 00000000000000#! /bin/sh # Common wrapper for a few potentially missing GNU programs. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1996-2018 Free Software Foundation, Inc. # Originally written by Fran,cois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac fi # NLS nuisances: We save the old values in case they are required later. _G_user_locale= _G_safe_locale= for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test set = \"\${$_G_var+set}\"; then save_$_G_var=\$$_G_var $_G_var=C export $_G_var _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" fi" done # CDPATH. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH # Make sure IFS has a sensible default sp=' ' nl=' ' IFS="$sp $nl" # There are apparently some retarded systems that use ';' as a PATH separator! if test "${PATH_SEPARATOR+set}" != set; then PATH_SEPARATOR=: (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || PATH_SEPARATOR=';' } fi ## ------------------------- ## ## Locate command utilities. ## ## ------------------------- ## # func_executable_p FILE # ---------------------- # Check that FILE is an executable regular file. func_executable_p () { test -f "$1" && test -x "$1" } # func_path_progs PROGS_LIST CHECK_FUNC [PATH] # -------------------------------------------- # Search for either a program that responds to --version with output # containing "GNU", or else returned by CHECK_FUNC otherwise, by # trying all the directories in PATH with each of the elements of # PROGS_LIST. # # CHECK_FUNC should accept the path to a candidate program, and # set $func_check_prog_result if it truncates its output less than # $_G_path_prog_max characters. func_path_progs () { _G_progs_list=$1 _G_check_func=$2 _G_PATH=${3-"$PATH"} _G_path_prog_max=0 _G_path_prog_found=false _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} for _G_dir in $_G_PATH; do IFS=$_G_save_IFS test -z "$_G_dir" && _G_dir=. for _G_prog_name in $_G_progs_list; do for _exeext in '' .EXE; do _G_path_prog=$_G_dir/$_G_prog_name$_exeext func_executable_p "$_G_path_prog" || continue case `"$_G_path_prog" --version 2>&1` in *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; *) $_G_check_func $_G_path_prog func_path_progs_result=$func_check_prog_result ;; esac $_G_path_prog_found && break 3 done done done IFS=$_G_save_IFS test -z "$func_path_progs_result" && { echo "no acceptable sed could be found in \$PATH" >&2 exit 1 } } # We want to be able to use the functions in this file before configure # has figured out where the best binaries are kept, which means we have # to search for them ourselves - except when the results are already set # where we skip the searches. # Unless the user overrides by setting SED, search the path for either GNU # sed, or the sed that truncates its output the least. test -z "$SED" && { _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for _G_i in 1 2 3 4 5 6 7; do _G_sed_script=$_G_sed_script$nl$_G_sed_script done echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed _G_sed_script= func_check_prog_sed () { _G_path_prog=$1 _G_count=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo '' >> conftest.nl "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin rm -f conftest.sed SED=$func_path_progs_result } # Unless the user overrides by setting GREP, search the path for either GNU # grep, or the grep that truncates its output the least. test -z "$GREP" && { func_check_prog_grep () { _G_path_prog=$1 _G_count=0 _G_path_prog_max=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo 'GREP' >> conftest.nl "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin GREP=$func_path_progs_result } ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # All uppercase variable names are used for environment variables. These # variables can be overridden by the user before calling a script that # uses them if a suitable command of that name is not already available # in the command search PATH. : ${CP="cp -f"} : ${ECHO="printf %s\n"} : ${EGREP="$GREP -E"} : ${FGREP="$GREP -F"} : ${LN_S="ln -s"} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} ## -------------------- ## ## Useful sed snippets. ## ## -------------------- ## sed_dirname='s|/[^/]*$||' sed_basename='s|^.*/||' # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='s|\([`"$\\]\)|\\\1|g' # Same as above, but do not quote variable references. sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' # Sed substitution that converts a w32 file name or path # that contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-'\' parameter expansions in output of sed_double_quote_subst that # were '\'-ed in input to the same. If an odd number of '\' preceded a # '$' in input to sed_double_quote_subst, that '$' was protected from # expansion. Since each input '\' is now two '\'s, look for any number # of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. _G_bs='\\' _G_bs2='\\\\' _G_bs4='\\\\\\\\' _G_dollar='\$' sed_double_backslash="\ s/$_G_bs4/&\\ /g s/^$_G_bs2$_G_dollar/$_G_bs&/ s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g s/\n//g" ## ----------------- ## ## Global variables. ## ## ----------------- ## # Except for the global variables explicitly listed below, the following # functions in the '^func_' namespace, and the '^require_' namespace # variables initialised in the 'Resource management' section, sourcing # this file will not pollute your global namespace with anything # else. There's no portable way to scope variables in Bourne shell # though, so actually running these functions will sometimes place # results into a variable named after the function, and often use # temporary variables in the '^_G_' namespace. If you are careful to # avoid using those namespaces casually in your sourcing script, things # should continue to work as you expect. And, of course, you can freely # overwrite any of the functions or variables defined here before # calling anything to customize them. EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. # Allow overriding, eg assuming that you follow the convention of # putting '$debug_cmd' at the start of all your functions, you can get # bash to show function call trace with: # # debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name debug_cmd=${debug_cmd-":"} exit_cmd=: # By convention, finish your script with: # # exit $exit_status # # so that you can set exit_status to non-zero if you want to indicate # something went wrong during execution without actually bailing out at # the point of failure. exit_status=$EXIT_SUCCESS # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath=$0 # The name of this program. progname=`$ECHO "$progpath" |$SED "$sed_basename"` # Make sure we have an absolute progpath for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` progdir=`cd "$progdir" && pwd` progpath=$progdir/$progname ;; *) _G_IFS=$IFS IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS=$_G_IFS test -x "$progdir/$progname" && break done IFS=$_G_IFS test -n "$progdir" || progdir=`pwd` progpath=$progdir/$progname ;; esac ## ----------------- ## ## Standard options. ## ## ----------------- ## # The following options affect the operation of the functions defined # below, and should be set appropriately depending on run-time para- # meters passed on the command line. opt_dry_run=false opt_quiet=false opt_verbose=false # Categories 'all' and 'none' are always available. Append any others # you will pass as the first argument to func_warning from your own # code. warning_categories= # By default, display warnings according to 'opt_warning_types'. Set # 'warning_func' to ':' to elide all warnings, or func_fatal_error to # treat the next displayed warning as a fatal error. warning_func=func_warn_and_continue # Set to 'all' to display all warnings, 'none' to suppress all # warnings, or a space delimited list of some subset of # 'warning_categories' to display only the listed warnings. opt_warning_types=all ## -------------------- ## ## Resource management. ## ## -------------------- ## # This section contains definitions for functions that each ensure a # particular resource (a file, or a non-empty configuration variable for # example) is available, and if appropriate to extract default values # from pertinent package files. Call them using their associated # 'require_*' variable to ensure that they are executed, at most, once. # # It's entirely deliberate that calling these functions can set # variables that don't obey the namespace limitations obeyed by the rest # of this file, in order that that they be as useful as possible to # callers. # require_term_colors # ------------------- # Allow display of bold text on terminals that support it. require_term_colors=func_require_term_colors func_require_term_colors () { $debug_cmd test -t 1 && { # COLORTERM and USE_ANSI_COLORS environment variables take # precedence, because most terminfo databases neglect to describe # whether color sequences are supported. test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} if test 1 = "$USE_ANSI_COLORS"; then # Standard ANSI escape sequences tc_reset='' tc_bold=''; tc_standout='' tc_red=''; tc_green='' tc_blue=''; tc_cyan='' else # Otherwise trust the terminfo database after all. test -n "`tput sgr0 2>/dev/null`" && { tc_reset=`tput sgr0` test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` tc_standout=$tc_bold test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` } fi } require_term_colors=: } ## ----------------- ## ## Function library. ## ## ----------------- ## # This section contains a variety of useful functions to call in your # scripts. Take note of the portable wrappers for features provided by # some modern shells, which will fall back to slower equivalents on # less featureful shells. # func_append VAR VALUE # --------------------- # Append VALUE onto the existing contents of VAR. # We should try to minimise forks, especially on Windows where they are # unreasonably slow, so skip the feature probes when bash or zsh are # being used: if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then : ${_G_HAVE_ARITH_OP="yes"} : ${_G_HAVE_XSI_OPS="yes"} # The += operator was introduced in bash 3.1 case $BASH_VERSION in [12].* | 3.0 | 3.0*) ;; *) : ${_G_HAVE_PLUSEQ_OP="yes"} ;; esac fi # _G_HAVE_PLUSEQ_OP # Can be empty, in which case the shell is probed, "yes" if += is # useable or anything else if it does not work. test -z "$_G_HAVE_PLUSEQ_OP" \ && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ && _G_HAVE_PLUSEQ_OP=yes if test yes = "$_G_HAVE_PLUSEQ_OP" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_append () { $debug_cmd eval "$1+=\$2" }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_append () { $debug_cmd eval "$1=\$$1\$2" } fi # func_append_quoted VAR VALUE # ---------------------------- # Quote VALUE and append to the end of shell variable VAR, separated # by a space. if test yes = "$_G_HAVE_PLUSEQ_OP"; then eval 'func_append_quoted () { $debug_cmd func_quote_for_eval "$2" eval "$1+=\\ \$func_quote_for_eval_result" }' else func_append_quoted () { $debug_cmd func_quote_for_eval "$2" eval "$1=\$$1\\ \$func_quote_for_eval_result" } fi # func_append_uniq VAR VALUE # -------------------------- # Append unique VALUE onto the existing contents of VAR, assuming # entries are delimited by the first character of VALUE. For example: # # func_append_uniq options " --another-option option-argument" # # will only append to $options if " --another-option option-argument " # is not already present somewhere in $options already (note spaces at # each end implied by leading space in second argument). func_append_uniq () { $debug_cmd eval _G_current_value='`$ECHO $'$1'`' _G_delim=`expr "$2" : '\(.\)'` case $_G_delim$_G_current_value$_G_delim in *"$2$_G_delim"*) ;; *) func_append "$@" ;; esac } # func_arith TERM... # ------------------ # Set func_arith_result to the result of evaluating TERMs. test -z "$_G_HAVE_ARITH_OP" \ && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ && _G_HAVE_ARITH_OP=yes if test yes = "$_G_HAVE_ARITH_OP"; then eval 'func_arith () { $debug_cmd func_arith_result=$(( $* )) }' else func_arith () { $debug_cmd func_arith_result=`expr "$@"` } fi # func_basename FILE # ------------------ # Set func_basename_result to FILE with everything up to and including # the last / stripped. if test yes = "$_G_HAVE_XSI_OPS"; then # If this shell supports suffix pattern removal, then use it to avoid # forking. Hide the definitions single quotes in case the shell chokes # on unsupported syntax... _b='func_basename_result=${1##*/}' _d='case $1 in */*) func_dirname_result=${1%/*}$2 ;; * ) func_dirname_result=$3 ;; esac' else # ...otherwise fall back to using sed. _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` if test "X$func_dirname_result" = "X$1"; then func_dirname_result=$3 else func_append func_dirname_result "$2" fi' fi eval 'func_basename () { $debug_cmd '"$_b"' }' # func_dirname FILE APPEND NONDIR_REPLACEMENT # ------------------------------------------- # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. eval 'func_dirname () { $debug_cmd '"$_d"' }' # func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT # -------------------------------------------------------- # Perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # For efficiency, we do not delegate to the functions above but instead # duplicate the functionality here. eval 'func_dirname_and_basename () { $debug_cmd '"$_b"' '"$_d"' }' # func_echo ARG... # ---------------- # Echo program name prefixed message. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname: $_G_line" done IFS=$func_echo_IFS } # func_echo_all ARG... # -------------------- # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_echo_infix_1 INFIX ARG... # ------------------------------ # Echo program name, followed by INFIX on the first line, with any # additional lines not showing INFIX. func_echo_infix_1 () { $debug_cmd $require_term_colors _G_infix=$1; shift _G_indent=$_G_infix _G_prefix="$progname: $_G_infix: " _G_message=$* # Strip color escape sequences before counting printable length for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" do test -n "$_G_tc" && { _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` } done _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes func_echo_infix_1_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_infix_1_IFS $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 _G_prefix=$_G_indent done IFS=$func_echo_infix_1_IFS } # func_error ARG... # ----------------- # Echo program name prefixed message to standard error. func_error () { $debug_cmd $require_term_colors func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 } # func_fatal_error ARG... # ----------------------- # Echo program name prefixed message to standard error, and exit. func_fatal_error () { $debug_cmd func_error "$*" exit $EXIT_FAILURE } # func_grep EXPRESSION FILENAME # ----------------------------- # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $debug_cmd $GREP "$1" "$2" >/dev/null 2>&1 } # func_len STRING # --------------- # Set func_len_result to the length of STRING. STRING may not # start with a hyphen. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_len () { $debug_cmd func_len_result=${#1} }' else func_len () { $debug_cmd func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` } fi # func_mkdir_p DIRECTORY-PATH # --------------------------- # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { $debug_cmd _G_directory_path=$1 _G_dir_list= if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then # Protect directory names starting with '-' case $_G_directory_path in -*) _G_directory_path=./$_G_directory_path ;; esac # While some portion of DIR does not yet exist... while test ! -d "$_G_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. _G_dir_list=$_G_directory_path:$_G_dir_list # If the last portion added has no slash in it, the list is done case $_G_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` done _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` func_mkdir_p_IFS=$IFS; IFS=: for _G_dir in $_G_dir_list; do IFS=$func_mkdir_p_IFS # mkdir can fail with a 'File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$_G_dir" 2>/dev/null || : done IFS=$func_mkdir_p_IFS # Bail out if we (or some other process) failed to create a directory. test -d "$_G_directory_path" || \ func_fatal_error "Failed to create '$1'" fi } # func_mktempdir [BASENAME] # ------------------------- # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, BASENAME is the basename for that directory. func_mktempdir () { $debug_cmd _G_template=${TMPDIR-/tmp}/${1-$progname} if test : = "$opt_dry_run"; then # Return a directory name, but don't create it in dry-run mode _G_tmpdir=$_G_template-$$ else # If mktemp works, use that first and foremost _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` if test ! -d "$_G_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race _G_tmpdir=$_G_template-${RANDOM-0}$$ func_mktempdir_umask=`umask` umask 0077 $MKDIR "$_G_tmpdir" umask $func_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$_G_tmpdir" || \ func_fatal_error "cannot create temporary directory '$_G_tmpdir'" fi $ECHO "$_G_tmpdir" } # func_normal_abspath PATH # ------------------------ # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. func_normal_abspath () { $debug_cmd # These SED scripts presuppose an absolute path with a trailing slash. _G_pathcar='s|^/\([^/]*\).*$|\1|' _G_pathcdr='s|^/[^/]*||' _G_removedotparts=':dotsl s|/\./|/|g t dotsl s|/\.$|/|' _G_collapseslashes='s|/\{1,\}|/|g' _G_finalslash='s|/*$|/|' # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` while :; do # Processed it all yet? if test / = "$func_normal_abspath_tpath"; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result"; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_notquiet ARG... # -------------------- # Echo program name prefixed message only when not in quiet mode. func_notquiet () { $debug_cmd $opt_quiet || func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_relative_path SRCDIR DSTDIR # -------------------------------- # Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. func_relative_path () { $debug_cmd func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=$func_dirname_result if test -z "$func_relative_path_tlibdir"; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test -n "$func_stripname_result"; then func_append func_relative_path_result "/$func_stripname_result" fi # Normalisation. If bindir is libdir, return '.' else relative path. if test -n "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result" func_relative_path_result=$func_stripname_result fi test -n "$func_relative_path_result" || func_relative_path_result=. : } # func_quote_for_eval ARG... # -------------------------- # Aesthetically quote ARGs to be evaled later. # This function returns two values: # i) func_quote_for_eval_result # double-quoted, suitable for a subsequent eval # ii) func_quote_for_eval_unquoted_result # has all characters that are still active within double # quotes backslashified. func_quote_for_eval () { $debug_cmd func_quote_for_eval_unquoted_result= func_quote_for_eval_result= while test 0 -lt $#; do case $1 in *[\\\`\"\$]*) _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;; *) _G_unquoted_arg=$1 ;; esac if test -n "$func_quote_for_eval_unquoted_result"; then func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg" else func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg" fi case $_G_unquoted_arg in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and variable expansion # for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") _G_quoted_arg=\"$_G_unquoted_arg\" ;; *) _G_quoted_arg=$_G_unquoted_arg ;; esac if test -n "$func_quote_for_eval_result"; then func_append func_quote_for_eval_result " $_G_quoted_arg" else func_append func_quote_for_eval_result "$_G_quoted_arg" fi shift done } # func_quote_for_expand ARG # ------------------------- # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { $debug_cmd case $1 in *[\\\`\"]*) _G_arg=`$ECHO "$1" | $SED \ -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;; *) _G_arg=$1 ;; esac case $_G_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") _G_arg=\"$_G_arg\" ;; esac func_quote_for_expand_result=$_G_arg } # func_stripname PREFIX SUFFIX NAME # --------------------------------- # strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_stripname () { $debug_cmd # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are # positional parameters, so assign one to ordinary variable first. func_stripname_result=$3 func_stripname_result=${func_stripname_result#"$1"} func_stripname_result=${func_stripname_result%"$2"} }' else func_stripname () { $debug_cmd case $2 in .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; esac } fi # func_show_eval CMD [FAIL_EXP] # ----------------------------- # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} func_quote_for_expand "$_G_cmd" eval "func_notquiet $func_quote_for_expand_result" $opt_dry_run || { eval "$_G_cmd" _G_status=$? if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_show_eval_locale CMD [FAIL_EXP] # ------------------------------------ # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} $opt_quiet || { func_quote_for_expand "$_G_cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || { eval "$_G_user_locale $_G_cmd" _G_status=$? eval "$_G_safe_locale" if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_tr_sh # ---------- # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { $debug_cmd case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_verbose ARG... # ------------------- # Echo program name prefixed message in verbose mode only. func_verbose () { $debug_cmd $opt_verbose && func_echo "$*" : } # func_warn_and_continue ARG... # ----------------------------- # Echo program name prefixed warning message to standard error. func_warn_and_continue () { $debug_cmd $require_term_colors func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 } # func_warning CATEGORY ARG... # ---------------------------- # Echo program name prefixed warning message to standard error. Warning # messages can be filtered according to CATEGORY, where this function # elides messages where CATEGORY is not listed in the global variable # 'opt_warning_types'. func_warning () { $debug_cmd # CATEGORY must be in the warning_categories list! case " $warning_categories " in *" $1 "*) ;; *) func_internal_error "invalid warning category '$1'" ;; esac _G_category=$1 shift case " $opt_warning_types " in *" $_G_category "*) $warning_func ${1+"$@"} ;; esac } # func_sort_ver VER1 VER2 # ----------------------- # 'sort -V' is not generally available. # Note this deviates from the version comparison in automake # in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a # but this should suffice as we won't be specifying old # version formats or redundant trailing .0 in bootstrap.conf. # If we did want full compatibility then we should probably # use m4_version_compare from autoconf. func_sort_ver () { $debug_cmd printf '%s\n%s\n' "$1" "$2" \ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n } # func_lt_ver PREV CURR # --------------------- # Return true if PREV and CURR are in the correct order according to # func_sort_ver, otherwise false. Use it like this: # # func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." func_lt_ver () { $debug_cmd test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: #! /bin/sh # Set a version string for this script. scriptversion=2015-10-07.11; # UTC # A portable, pluggable option parser for Bourne shell. # Written by Gary V. Vaughan, 2010 # Copyright (C) 2010-2015 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # Please report bugs or propose patches to gary@gnu.org. ## ------ ## ## Usage. ## ## ------ ## # This file is a library for parsing options in your shell scripts along # with assorted other useful supporting features that you can make use # of too. # # For the simplest scripts you might need only: # # #!/bin/sh # . relative/path/to/funclib.sh # . relative/path/to/options-parser # scriptversion=1.0 # func_options ${1+"$@"} # eval set dummy "$func_options_result"; shift # ...rest of your script... # # In order for the '--version' option to work, you will need to have a # suitably formatted comment like the one at the top of this file # starting with '# Written by ' and ending with '# warranty; '. # # For '-h' and '--help' to work, you will also need a one line # description of your script's purpose in a comment directly above the # '# Written by ' line, like the one at the top of this file. # # The default options also support '--debug', which will turn on shell # execution tracing (see the comment above debug_cmd below for another # use), and '--verbose' and the func_verbose function to allow your script # to display verbose messages only when your user has specified # '--verbose'. # # After sourcing this file, you can plug processing for additional # options by amending the variables from the 'Configuration' section # below, and following the instructions in the 'Option parsing' # section further down. ## -------------- ## ## Configuration. ## ## -------------- ## # You should override these variables in your script after sourcing this # file so that they reflect the customisations you have added to the # option parser. # The usage line for option parsing errors and the start of '-h' and # '--help' output messages. You can embed shell variables for delayed # expansion at the time the message is displayed, but you will need to # quote other shell meta-characters carefully to prevent them being # expanded when the contents are evaled. usage='$progpath [OPTION]...' # Short help message in response to '-h' and '--help'. Add to this or # override it after sourcing this library to reflect the full set of # options your script accepts. usage_message="\ --debug enable verbose shell tracing -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -v, --verbose verbosely report processing --version print version information and exit -h, --help print short or long help message and exit " # Additional text appended to 'usage_message' in response to '--help'. long_help_message=" Warning categories include: 'all' show all warnings 'none' turn off all the warnings 'error' warnings are treated as fatal errors" # Help message printed before fatal option parsing errors. fatal_help="Try '\$progname --help' for more information." ## ------------------------- ## ## Hook function management. ## ## ------------------------- ## # This section contains functions for adding, removing, and running hooks # to the main code. A hook is just a named list of of function, that can # be run in order later on. # func_hookable FUNC_NAME # ----------------------- # Declare that FUNC_NAME will run hooks added with # 'func_add_hook FUNC_NAME ...'. func_hookable () { $debug_cmd func_append hookable_fns " $1" } # func_add_hook FUNC_NAME HOOK_FUNC # --------------------------------- # Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must # first have been declared "hookable" by a call to 'func_hookable'. func_add_hook () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not accept hook functions." ;; esac eval func_append ${1}_hooks '" $2"' } # func_remove_hook FUNC_NAME HOOK_FUNC # ------------------------------------ # Remove HOOK_FUNC from the list of functions called by FUNC_NAME. func_remove_hook () { $debug_cmd eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' } # func_run_hooks FUNC_NAME [ARG]... # --------------------------------- # Run all hook functions registered to FUNC_NAME. # It is assumed that the list of hook functions contains nothing more # than a whitespace-delimited list of legal shell function names, and # no effort is wasted trying to catch shell meta-characters or preserve # whitespace. func_run_hooks () { $debug_cmd _G_rc_run_hooks=false case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not support hook funcions.n" ;; esac eval _G_hook_fns=\$$1_hooks; shift for _G_hook in $_G_hook_fns; do if eval $_G_hook '"$@"'; then # store returned options list back into positional # parameters for next 'cmd' execution. eval _G_hook_result=\$${_G_hook}_result eval set dummy "$_G_hook_result"; shift _G_rc_run_hooks=: fi done $_G_rc_run_hooks && func_run_hooks_result=$_G_hook_result } ## --------------- ## ## Option parsing. ## ## --------------- ## # In order to add your own option parsing hooks, you must accept the # full positional parameter list in your hook function, you may remove/edit # any options that you action, and then pass back the remaining unprocessed # options in '_result', escaped suitably for # 'eval'. In this case you also must return $EXIT_SUCCESS to let the # hook's caller know that it should pay attention to # '_result'. Returning $EXIT_FAILURE signalizes that # arguments are left untouched by the hook and therefore caller will ignore the # result variable. # # Like this: # # my_options_prep () # { # $debug_cmd # # # Extend the existing usage message. # usage_message=$usage_message' # -s, --silent don'\''t print informational messages # ' # # No change in '$@' (ignored completely by this hook). There is # # no need to do the equivalent (but slower) action: # # func_quote_for_eval ${1+"$@"} # # my_options_prep_result=$func_quote_for_eval_result # false # } # func_add_hook func_options_prep my_options_prep # # # my_silent_option () # { # $debug_cmd # # args_changed=false # # # Note that for efficiency, we parse as many options as we can # # recognise in a loop before passing the remainder back to the # # caller on the first unrecognised argument we encounter. # while test $# -gt 0; do # opt=$1; shift # case $opt in # --silent|-s) opt_silent=: # args_changed=: # ;; # # Separate non-argument short options: # -s*) func_split_short_opt "$_G_opt" # set dummy "$func_split_short_opt_name" \ # "-$func_split_short_opt_arg" ${1+"$@"} # shift # args_changed=: # ;; # *) # Make sure the first unrecognised option "$_G_opt" # # is added back to "$@", we could need that later # # if $args_changed is true. # set dummy "$_G_opt" ${1+"$@"}; shift; break ;; # esac # done # # if $args_changed; then # func_quote_for_eval ${1+"$@"} # my_silent_option_result=$func_quote_for_eval_result # fi # # $args_changed # } # func_add_hook func_parse_options my_silent_option # # # my_option_validation () # { # $debug_cmd # # $opt_silent && $opt_verbose && func_fatal_help "\ # '--silent' and '--verbose' options are mutually exclusive." # # false # } # func_add_hook func_validate_options my_option_validation # # You'll also need to manually amend $usage_message to reflect the extra # options you parse. It's preferable to append if you can, so that # multiple option parsing hooks can be added safely. # func_options_finish [ARG]... # ---------------------------- # Finishing the option parse loop (call 'func_options' hooks ATM). func_options_finish () { $debug_cmd _G_func_options_finish_exit=false if func_run_hooks func_options ${1+"$@"}; then func_options_finish_result=$func_run_hooks_result _G_func_options_finish_exit=: fi $_G_func_options_finish_exit } # func_options [ARG]... # --------------------- # All the functions called inside func_options are hookable. See the # individual implementations for details. func_hookable func_options func_options () { $debug_cmd _G_rc_options=false for my_func in options_prep parse_options validate_options options_finish do if eval func_$my_func '${1+"$@"}'; then eval _G_res_var='$'"func_${my_func}_result" eval set dummy "$_G_res_var" ; shift _G_rc_options=: fi done # Save modified positional parameters for caller. As a top-level # options-parser function we always need to set the 'func_options_result' # variable (regardless the $_G_rc_options value). if $_G_rc_options; then func_options_result=$_G_res_var else func_quote_for_eval ${1+"$@"} func_options_result=$func_quote_for_eval_result fi $_G_rc_options } # func_options_prep [ARG]... # -------------------------- # All initialisations required before starting the option parse loop. # Note that when calling hook functions, we pass through the list of # positional parameters. If a hook function modifies that list, and # needs to propagate that back to rest of this script, then the complete # modified list must be put in 'func_run_hooks_result' before # returning $EXIT_SUCCESS (otherwise $EXIT_FAILURE is returned). func_hookable func_options_prep func_options_prep () { $debug_cmd # Option defaults: opt_verbose=false opt_warning_types= _G_rc_options_prep=false if func_run_hooks func_options_prep ${1+"$@"}; then _G_rc_options_prep=: # save modified positional parameters for caller func_options_prep_result=$func_run_hooks_result fi $_G_rc_options_prep } # func_parse_options [ARG]... # --------------------------- # The main option parsing loop. func_hookable func_parse_options func_parse_options () { $debug_cmd func_parse_options_result= _G_rc_parse_options=false # this just eases exit handling while test $# -gt 0; do # Defer to hook functions for initial option parsing, so they # get priority in the event of reusing an option name. if func_run_hooks func_parse_options ${1+"$@"}; then eval set dummy "$func_run_hooks_result"; shift _G_rc_parse_options=: fi # Break out of the loop if we already parsed every option. test $# -gt 0 || break _G_match_parse_options=: _G_opt=$1 shift case $_G_opt in --debug|-x) debug_cmd='set -x' func_echo "enabling shell trace mode" $debug_cmd ;; --no-warnings|--no-warning|--no-warn) set dummy --warnings none ${1+"$@"} shift ;; --warnings|--warning|-W) if test $# = 0 && func_missing_arg $_G_opt; then _G_rc_parse_options=: break fi case " $warning_categories $1" in *" $1 "*) # trailing space prevents matching last $1 above func_append_uniq opt_warning_types " $1" ;; *all) opt_warning_types=$warning_categories ;; *none) opt_warning_types=none warning_func=: ;; *error) opt_warning_types=$warning_categories warning_func=func_fatal_error ;; *) func_fatal_error \ "unsupported warning category: '$1'" ;; esac shift ;; --verbose|-v) opt_verbose=: ;; --version) func_version ;; -\?|-h) func_usage ;; --help) func_help ;; # Separate optargs to long options (plugins may need this): --*=*) func_split_equals "$_G_opt" set dummy "$func_split_equals_lhs" \ "$func_split_equals_rhs" ${1+"$@"} shift ;; # Separate optargs to short options: -W*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "$func_split_short_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-v*|-x*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) _G_rc_parse_options=: ; break ;; -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; *) set dummy "$_G_opt" ${1+"$@"}; shift _G_match_parse_options=false break ;; esac $_G_match_parse_options && _G_rc_parse_options=: done if $_G_rc_parse_options; then # save modified positional parameters for caller func_quote_for_eval ${1+"$@"} func_parse_options_result=$func_quote_for_eval_result fi $_G_rc_parse_options } # func_validate_options [ARG]... # ------------------------------ # Perform any sanity checks on option settings and/or unconsumed # arguments. func_hookable func_validate_options func_validate_options () { $debug_cmd _G_rc_validate_options=false # Display all warnings if -W was not given. test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" if func_run_hooks func_validate_options ${1+"$@"}; then # save modified positional parameters for caller func_validate_options_result=$func_run_hooks_result _G_rc_validate_options=: fi # Bail if the options were screwed! $exit_cmd $EXIT_FAILURE $_G_rc_validate_options } ## ----------------- ## ## Helper functions. ## ## ----------------- ## # This section contains the helper functions used by the rest of the # hookable option parser framework in ascii-betical order. # func_fatal_help ARG... # ---------------------- # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { $debug_cmd eval \$ECHO \""Usage: $usage"\" eval \$ECHO \""$fatal_help"\" func_error ${1+"$@"} exit $EXIT_FAILURE } # func_help # --------- # Echo long help message to standard output and exit. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message" exit 0 } # func_missing_arg ARGNAME # ------------------------ # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $debug_cmd func_error "Missing argument for '$1'." exit_cmd=exit } # func_split_equals STRING # ------------------------ # Set func_split_equals_lhs and func_split_equals_rhs shell variables after # splitting STRING at the '=' sign. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_equals () { $debug_cmd func_split_equals_lhs=${1%%=*} func_split_equals_rhs=${1#*=} test "x$func_split_equals_lhs" = "x$1" \ && func_split_equals_rhs= }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_equals () { $debug_cmd func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` func_split_equals_rhs= test "x$func_split_equals_lhs" = "x$1" \ || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` } fi #func_split_equals # func_split_short_opt SHORTOPT # ----------------------------- # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_short_opt () { $debug_cmd func_split_short_opt_arg=${1#??} func_split_short_opt_name=${1%"$func_split_short_opt_arg"} }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_short_opt () { $debug_cmd func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'` func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` } fi #func_split_short_opt # func_usage # ---------- # Echo short help message to standard output and exit. func_usage () { $debug_cmd func_usage_message $ECHO "Run '$progname --help |${PAGER-more}' for full usage" exit 0 } # func_usage_message # ------------------ # Echo short help message to standard output. func_usage_message () { $debug_cmd eval \$ECHO \""Usage: $usage"\" echo $SED -n 's|^# || /^Written by/{ x;p;x } h /^Written by/q' < "$progpath" echo eval \$ECHO \""$usage_message"\" } # func_version # ------------ # Echo version message to standard output and exit. func_version () { $debug_cmd printf '%s\n' "$progname $scriptversion" $SED -n ' /(C)/!b go :more /\./!{ N s|\n# | | b more } :go /^# Written by /,/# warranty; / { s|^# || s|^# *$|| s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| p } /^# Written by / { s|^# || p } /^warranty; /q' < "$progpath" exit $? } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: # Set a version string. scriptversion='(GNU libtool) 2.4.6' # func_echo ARG... # ---------------- # Libtool also displays the current mode in messages, so override # funclib.sh func_echo with this custom definition. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" done IFS=$func_echo_IFS } # func_warning ARG... # ------------------- # Libtool warnings are not categorized, so override funclib.sh # func_warning with this simpler definition. func_warning () { $debug_cmd $warning_func ${1+"$@"} } ## ---------------- ## ## Options parsing. ## ## ---------------- ## # Hook in the functions to make sure our own options are parsed during # the option parsing loop. usage='$progpath [OPTION]... [MODE-ARG]...' # Short help message in response to '-h'. usage_message="Options: --config show all configuration variables --debug enable verbose shell tracing -n, --dry-run display commands without modifying any files --features display basic configuration information and exit --mode=MODE use operation mode MODE --no-warnings equivalent to '-Wnone' --preserve-dup-deps don't remove duplicate dependency libraries --quiet, --silent don't print informational messages --tag=TAG use configuration variables from tag TAG -v, --verbose print more informational messages than default --version print version information -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -h, --help, --help-all print short, long, or detailed help message " # Additional text appended to 'usage_message' in response to '--help'. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message MODE must be one of the following: clean remove files from the build directory compile compile a source file into a libtool object execute automatically set library path, then run a program finish complete the installation of libtool libraries install install libraries or executables link create a library or an executable uninstall remove libraries from an installed directory MODE-ARGS vary depending on the MODE. When passed as first option, '--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. Try '$progname --help --mode=MODE' for a more detailed description of MODE. When reporting a bug, please describe a test case to reproduce it and include the following information: host-triplet: $host shell: $SHELL compiler: $LTCC compiler flags: $LTCFLAGS linker: $LD (gnu? $with_gnu_ld) version: $progname $scriptversion Debian-2.4.6-11 automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` Report bugs to . GNU libtool home page: . General help using GNU software: ." exit 0 } # func_lo2o OBJECT-NAME # --------------------- # Transform OBJECT-NAME from a '.lo' suffix to the platform specific # object suffix. lo2o=s/\\.lo\$/.$objext/ o2lo=s/\\.$objext\$/.lo/ if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_lo2o () { case $1 in *.lo) func_lo2o_result=${1%.lo}.$objext ;; * ) func_lo2o_result=$1 ;; esac }' # func_xform LIBOBJ-OR-SOURCE # --------------------------- # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) # suffix to a '.lo' libtool-object suffix. eval 'func_xform () { func_xform_result=${1%.*}.lo }' else # ...otherwise fall back to using sed. func_lo2o () { func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` } func_xform () { func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` } fi # func_fatal_configuration ARG... # ------------------------------- # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func__fatal_error ${1+"$@"} \ "See the $PACKAGE documentation for more information." \ "Fatal configuration error." } # func_config # ----------- # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # ------------- # Display the features supported by this script. func_features () { echo "host: $host" if test yes = "$build_libtool_libs"; then echo "enable shared libraries" else echo "disable shared libraries" fi if test yes = "$build_old_libs"; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag TAGNAME # ----------------------- # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname=$1 re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf=/$re_begincf/,/$re_endcf/p # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # ------------------------ # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # libtool_options_prep [ARG]... # ----------------------------- # Preparation for options parsed by libtool. libtool_options_prep () { $debug_mode # Option defaults: opt_config=false opt_dlopen= opt_dry_run=false opt_help=false opt_mode= opt_preserve_dup_deps=false opt_quiet=false nonopt= preserve_args= _G_rc_lt_options_prep=: # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; *) _G_rc_lt_options_prep=false ;; esac if $_G_rc_lt_options_prep; then # Pass back the list of options. func_quote_for_eval ${1+"$@"} libtool_options_prep_result=$func_quote_for_eval_result fi $_G_rc_lt_options_prep } func_add_hook func_options_prep libtool_options_prep # libtool_parse_options [ARG]... # --------------------------------- # Provide handling for libtool specific options. libtool_parse_options () { $debug_cmd _G_rc_lt_parse_options=false # Perform our own loop to consume as many options as possible in # each iteration. while test $# -gt 0; do _G_match_lt_parse_options=: _G_opt=$1 shift case $_G_opt in --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) func_config ;; --dlopen|-dlopen) opt_dlopen="${opt_dlopen+$opt_dlopen }$1" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) func_features ;; --finish) set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $_G_opt && break opt_mode=$1 case $1 in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $_G_opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_quiet=false func_append preserve_args " $_G_opt" ;; --no-warnings|--no-warning|--no-warn) opt_warning=false func_append preserve_args " $_G_opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $_G_opt" ;; --silent|--quiet) opt_quiet=: opt_verbose=false func_append preserve_args " $_G_opt" ;; --tag) test $# = 0 && func_missing_arg $_G_opt && break opt_tag=$1 func_append preserve_args " $_G_opt $1" func_enable_tag "$1" shift ;; --verbose|-v) opt_quiet=false opt_verbose=: func_append preserve_args " $_G_opt" ;; # An option not handled by this hook function: *) set dummy "$_G_opt" ${1+"$@"} ; shift _G_match_lt_parse_options=false break ;; esac $_G_match_lt_parse_options && _G_rc_lt_parse_options=: done if $_G_rc_lt_parse_options; then # save modified positional parameters for caller func_quote_for_eval ${1+"$@"} libtool_parse_options_result=$func_quote_for_eval_result fi $_G_rc_lt_parse_options } func_add_hook func_parse_options libtool_parse_options # libtool_validate_options [ARG]... # --------------------------------- # Perform any sanity checks on option settings and/or unconsumed # arguments. libtool_validate_options () { # save first non-option argument if test 0 -lt $#; then nonopt=$1 shift fi # preserve --debug test : = "$debug_cmd" || func_append preserve_args " --debug" case $host in # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match test yes != "$build_libtool_libs" \ && test yes != "$build_old_libs" \ && func_fatal_configuration "not configured to build any kind of library" # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test execute != "$opt_mode"; then func_error "unrecognized option '-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help=$help help="Try '$progname --help --mode=$opt_mode' for more information." } # Pass back the unparsed argument list func_quote_for_eval ${1+"$@"} libtool_validate_options_result=$func_quote_for_eval_result } func_add_hook func_validate_options libtool_validate_options # Process options as early as possible so that --help and --version # can return quickly. func_options ${1+"$@"} eval set dummy "$func_options_result"; shift ## ----------- ## ## Main. ## ## ----------- ## magic='%%%MAGIC variable%%%' magic_exe='%%%MAGIC EXE variable%%%' # Global variables. extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # func_generated_by_libtool # True iff stdin has been generated by Libtool. This function is only # a basic sanity check; it will hardly flush out determined imposters. func_generated_by_libtool_p () { $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p } # func_lalib_unsafe_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if 'file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case $lalib_p_line in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test yes = "$lalib_p" } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { test -f "$1" && $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $debug_cmd save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # 'FILE.' does not work on cygwin managed mounts. func_source () { $debug_cmd case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case $lt_sysroot:$1 in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result='='$func_stripname_result ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $debug_cmd if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with '--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=$1 if test yes = "$build_libtool_libs"; then write_lobj=\'$2\' else write_lobj=none fi if test yes = "$build_old_libs"; then write_oldobj=\'$3\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $debug_cmd # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result= if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result"; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $debug_cmd if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $debug_cmd # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $debug_cmd if test -z "$2" && test -n "$1"; then func_error "Could not determine host file name corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result=$1 fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $debug_cmd if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " '$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result=$3 fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $debug_cmd case $4 in $1 ) func_to_host_path_result=$3$func_to_host_path_result ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via '$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $debug_cmd $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $debug_cmd case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result=$1 } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result=$func_convert_core_msys_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result=$func_convert_core_file_wine_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via '$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $debug_cmd if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd=func_convert_path_$func_stripname_result fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $debug_cmd func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result=$1 } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_msys_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_path_wine_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_dll_def_p FILE # True iff FILE is a Windows DLL '.def' file. # Keep in sync with _LT_DLL_DEF_P in libtool.m4 func_dll_def_p () { $debug_cmd func_dll_def_p_tmp=`$SED -n \ -e 's/^[ ]*//' \ -e '/^\(;.*\)*$/d' \ -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ -e q \ "$1"` test DEF = "$func_dll_def_p_tmp" } # func_mode_compile arg... func_mode_compile () { $debug_cmd # Get the compilation command and the source file. base_compile= srcfile=$nonopt # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg=$arg arg_mode=normal ;; target ) libobj=$arg arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify '-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs=$IFS; IFS=, for arg in $args; do IFS=$save_ifs func_append_quoted lastarg "$arg" done IFS=$save_ifs func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg=$srcfile srcfile=$arg ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with '-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj=$func_basename_result } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from '$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test yes = "$build_libtool_libs" \ || func_fatal_configuration "cannot build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name '$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname=$func_basename_result xdir=$func_dirname_result lobj=$xdir$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test yes = "$build_old_libs"; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test no = "$compiler_c_o"; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext lockfile=$output_obj.lock else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test yes = "$need_locks"; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test warn = "$need_locks"; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test yes = "$build_libtool_libs"; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test no != "$pic_mode"; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test yes = "$suppress_opt"; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test yes = "$build_old_libs"; then if test yes != "$pic_mode"; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test yes = "$compiler_c_o"; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test no != "$need_locks"; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test compile = "$opt_mode" && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a '.o' file suitable for static linking -static only build a '.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a 'standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix '.c' with the library object suffix, '.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to '-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the '--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the 'install' or 'cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE use a list of object files found in FILE to specify objects -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with '-') are ignored. Every other argument is treated as a filename. Files ending in '.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in '.la', then a libtool library is created, only library objects ('.lo' files) may be specified, and '-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created using 'ar' and 'ranlib', or on Windows using 'lib'. If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode '$opt_mode'" ;; esac echo $ECHO "Try '$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test : = "$opt_help"; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | $SED -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | $SED '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $debug_cmd # The first argument is the command name. cmd=$nonopt test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "'$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "'$file' was not linked with '-export-dynamic'" continue fi func_dirname "$file" "" "." dir=$func_dirname_result if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir=$func_dirname_result ;; *) func_warning "'-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir=$absdir # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic=$magic # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file=$progdir/$program elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file=$progdir/$program fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if $opt_dry_run; then # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS else if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd=\$cmd$args fi } test execute = "$opt_mode" && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $debug_cmd libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "'$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument '$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and '=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_quiet && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the '-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the '$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the '$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the '$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test finish = "$opt_mode" && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $debug_cmd # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=false stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=: ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test X-m = "X$prev" && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the '$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=: if $isdir; then destdir=$dest destname= else func_dirname_and_basename "$dest" "" "." destdir=$func_dirname_result destname=$func_basename_result # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "'$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "'$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir=$func_dirname_result func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking '$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname=$1 shift srcname=$realname test -n "$relink_command" && srcname=${realname}T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme=$stripme case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme= ;; esac ;; os2*) case $realname in *_dll.a) tstripme= ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try 'ln -sf' first, because the 'ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib=$destdir/$realname func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name=$func_basename_result instname=$dir/${name}i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest=$destfile destfile= ;; *) func_fatal_help "cannot copy a libtool object to '$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test yes = "$build_old_libs"; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext= case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=.exe fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script '$wrapper'" finalize=: for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` if test -n "$libdir" && test ! -f "$libfile"; then func_warning "'$lib' has not been installed in '$libdir'" finalize=false fi done relink_command= func_source "$wrapper" outputname= if test no = "$fast_install" && test -n "$relink_command"; then $opt_dry_run || { if $finalize; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file=$func_basename_result outputname=$tmpdir/$file # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_quiet || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink '$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file=$outputname else func_warning "cannot relink '$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name=$func_basename_result # Set up the ranlib parameters. oldlib=$destdir/$name func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run '$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test install = "$opt_mode" && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $debug_cmd my_outputname=$1 my_originator=$2 my_pic_p=${3-false} my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms=${my_outputname}S.c else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist=$output_objdir/$my_outputname.nm func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* External symbol declarations for the compiler. */\ " if test yes = "$dlself"; then func_verbose "generating symbol list for '$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from '$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols=$output_objdir/$outputname.exp $opt_dry_run || { $RM $export_symbols eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from '$dlprefile'" func_basename "$dlprefile" name=$func_basename_result case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename= if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname"; then func_basename "$dlprefile_dlname" dlprefile_dlbasename=$func_basename_result else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename"; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi func_show_eval '$RM "${nlist}I"' if test -n "$global_symbol_to_import"; then eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[];\ " if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ static void lt_syminit(void) { LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; for (; symbol->name; ++symbol) {" $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" echo >> "$output_objdir/$my_dlsyms" "\ } }" fi echo >> "$output_objdir/$my_dlsyms" "\ LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = { {\"$my_originator\", (void *) 0}," if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ {\"@INIT@\", (void *) <_syminit}," fi case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) $my_pic_p && pic_flag_for_symtable=" $pic_flag" ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' # Transform the symbol file into the correct name. symfileobj=$output_objdir/${my_outputname}S.$objext case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for '$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $debug_cmd win32_libid_type=unknown win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then case $nm_interface in "MS dumpbin") if func_cygming_ms_implib_p "$1" || func_cygming_gnu_implib_p "$1" then win32_nmres=import else win32_nmres= fi ;; *) func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s|.*|import| p q } }'` ;; esac case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $debug_cmd sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $debug_cmd match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive that possess that section. Heuristic: eliminate # all those that have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $debug_cmd if func_cygming_gnu_implib_p "$1"; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1"; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result= fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $debug_cmd f_ex_an_ar_dir=$1; shift f_ex_an_ar_oldlib=$1 if test yes = "$lock_old_archive_extraction"; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test yes = "$lock_old_archive_extraction"; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $debug_cmd my_gentop=$1; shift my_oldlibs=${1+"$@"} my_oldobjs= my_xlib= my_xabs= my_xdir= for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib=$func_basename_result my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir=$my_gentop/$my_xlib_u func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` func_basename "$darwin_archive" darwin_base_archive=$func_basename_result darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches; do func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" cd "unfat-$$/$darwin_base_archive-$darwin_arch" func_extract_an_archive "`pwd`" "$darwin_base_archive" cd "$darwin_curdir" $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result=$my_oldobjs } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory where it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ that is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options that match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test yes = "$fast_install"; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else \$ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* declarations of non-ANSI functions */ #if defined __MINGW32__ # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined __CYGWIN__ # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined other_platform || defined ... */ #endif /* portability defines, excluding path handling macros */ #if defined _MSC_VER # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC #elif defined __MINGW32__ # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined __CYGWIN__ # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined other platforms ... */ #endif #if defined PATH_MAX # define LT_PATHMAX PATH_MAX #elif defined MAXPATHLEN # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ defined __OS2__ # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free (stale); stale = 0; } \ } while (0) #if defined LT_DEBUGWRAPPER static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; size_t tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined HAVE_DOS_BASED_FILE_SYSTEM if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined HAVE_DOS_BASED_FILE_SYSTEM } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = (size_t) (q - p); p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (STREQ (str, pat)) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else size_t len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { size_t orig_value_len = strlen (orig_value); size_t add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ size_t len = strlen (new_value); while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[--len] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $debug_cmd case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_suncc_cstd_abi # !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! # Several compiler flags select an ABI that is incompatible with the # Cstd library. Avoid specifying it if any are in CXXFLAGS. func_suncc_cstd_abi () { $debug_cmd case " $compile_command " in *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) suncc_use_cstd_abi=no ;; *) suncc_use_cstd_abi=yes ;; esac } # func_mode_link arg... func_mode_link () { $debug_cmd case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # what system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll that has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= os2dllname= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=false prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module=$wl-single_module func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test yes != "$build_libtool_libs" \ && func_fatal_configuration "cannot build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg=$1 shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir=$arg prev= continue ;; dlfiles|dlprefiles) $preload || { # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=: } case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test no = "$dlself"; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test dlprefiles = "$prev"; then dlself=yes elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test dlfiles = "$prev"; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols=$arg test -f "$arg" \ || func_fatal_error "symbol file '$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex=$arg prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir=$arg prev= continue ;; mllvm) # Clang does not use LLVM to link, so we can simply discard any # '-mllvm $arg' options when doing the link step. prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result if test none != "$pic_object"; then # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object fi # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file '$arg' does not exist" fi arg=$save_arg prev= continue ;; os2dllname) os2dllname=$arg prev= continue ;; precious_regex) precious_files_regex=$arg prev= continue ;; release) release=-$arg prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test rpath = "$prev"; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds=$arg prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg=$arg case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "'-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test X-export-symbols = "X$arg"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between '-L' and '$1'" else func_fatal_error "need path for '-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of '$dir'" dir=$absdir ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test X-lc = "X$arg" || test X-lm = "X$arg"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test X-lc = "X$arg" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) # Do not include libc due to us having libc/libc_r. test X-lc = "X$arg" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test X-lc = "X$arg" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test X-lc = "X$arg" && continue ;; esac elif test X-lc_r = "X$arg"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -mllvm) prev=mllvm continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module=$wl-multi_module continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "'-no-install' is ignored for $host" func_warning "assuming '-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -os2dllname) prev=os2dllname continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # -fstack-protector* stack protector flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization # -specs=* GCC specs files # -stdlib=* select c++ std lib with clang # -fsanitize=* Clang/GCC memory and address sanitizer # -fuse-ld=* Linker select flags for GCC -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ -specs=*|-fsanitize=*|-fuse-ld=*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; -Z*) if test os2 = "`expr $host : '.*\(os2\)'`"; then # OS/2 uses -Zxxx to specify OS/2-specific options compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case $arg in -Zlinker | -Zstack) prev=xcompiler ;; esac continue else # Otherwise treat like 'Some other compiler flag' below func_quote_for_eval "$arg" arg=$func_quote_for_eval_result fi ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result test none = "$pic_object" || { # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object } # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test dlfiles = "$prev"; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test dlprefiles = "$prev"; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg=$func_quote_for_eval_result ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the '$prevarg' option requires an argument" if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname=$func_basename_result libobjs_save=$libobjs if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" # Definition is injected by LT_CONFIG during libtool generation. func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" func_dirname "$output" "/" "" output_objdir=$func_dirname_result$objdir func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test lib = "$linkmode"; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=false newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test lib,link = "$linkmode,$pass"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs=$tmp_deplibs fi if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass"; then libs=$deplibs deplibs= fi if test prog = "$linkmode"; then case $pass in dlopen) libs=$dlfiles ;; dlpreopen) libs=$dlprefiles ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test lib,dlpreopen = "$linkmode,$pass"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs=$dlprefiles fi if test dlopen = "$pass"; then # Collect dlpreopened libraries save_deplibs=$deplibs deplibs= fi for deplib in $libs; do lib= found=false case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test lib != "$linkmode" && test prog != "$linkmode"; then func_warning "'-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test lib = "$linkmode"; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib=$searchdir/lib$name$search_ext if test -f "$lib"; then if test .la = "$search_ext"; then found=: else found=false fi break 2 fi done done if $found; then # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll=$l done if test "X$ll" = "X$old_library"; then # only static version available found=false func_dirname "$lib" "" "." ladir=$func_dirname_result lib=$ladir/$old_library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi else # deplib doesn't seem to be a libtool library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi ;; # -l *.ltframework) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test conv = "$pass" && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi if test scan = "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "'-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test link = "$pass"; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=false case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=: fi ;; pass_all) valid_a_lib=: ;; esac if $valid_a_lib; then echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" else echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." fi ;; esac continue ;; prog) if test link != "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test conv = "$pass"; then deplibs="$deplib $deplibs" elif test prog = "$linkmode"; then if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=: continue ;; esac # case $deplib $found || test -f "$lib" \ || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "'$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir=$func_dirname_result dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass" || { test prog != "$linkmode" && test lib != "$linkmode"; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test conv = "$pass"; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for '$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test prog != "$linkmode" && test lib != "$linkmode"; then func_fatal_error "'$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test yes = "$prefer_static_libs" || test built,no = "$prefer_static_libs,$installed"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib=$l done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for '$lib'" fi # This library was specified with -dlopen. if test dlopen = "$pass"; then test -z "$libdir" \ && func_fatal_error "cannot -dlopen a convenience library: '$lib'" if test -z "$dlname" || test yes != "$dlopen_support" || test no = "$build_libtool_libs" then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of '$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir=$ladir fi ;; esac func_basename "$lib" laname=$func_basename_result # Find the relevant object directory and library name. if test yes = "$installed"; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library '$lib' was moved." dir=$ladir absdir=$abs_ladir libdir=$abs_ladir else dir=$lt_sysroot$libdir absdir=$lt_sysroot$libdir fi test yes = "$hardcode_automatic" && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir=$ladir absdir=$abs_ladir # Remove this search path later func_append notinst_path " $abs_ladir" else dir=$ladir/$objdir absdir=$abs_ladir/$objdir # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test dlpreopen = "$pass"; then if test -z "$libdir" && test prog = "$linkmode"; then func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" fi case $host in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test lib = "$linkmode"; then deplibs="$dir/$old_library $deplibs" elif test prog,link = "$linkmode,$pass"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test prog = "$linkmode" && test link != "$pass"; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=false if test no != "$link_all_deplibs" || test -z "$library_names" || test no = "$build_libtool_libs"; then linkalldeplibs=: fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if $linkalldeplibs; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test prog,link = "$linkmode,$pass"; then if test -n "$library_names" && { { test no = "$prefer_static_libs" || test built,yes = "$prefer_static_libs,$installed"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then # Make sure the rpath contains only unique directories. case $temp_rpath: in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if $alldeplibs && { test pass_all = "$deplibs_check_method" || { test yes = "$build_libtool_libs" && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test built = "$use_static_libs" && test yes = "$installed"; then use_static_libs=no fi if test -n "$library_names" && { test no = "$use_static_libs" || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc* | *os2*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test no = "$installed"; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule= for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule=$dlpremoduletest break fi done if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then echo if test prog = "$linkmode"; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test lib = "$linkmode" && test yes = "$hardcode_into_libs"; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname=$1 shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname=$dlname elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc* | *os2*) func_arith $current - $age major=$func_arith_result versuffix=-$major ;; esac eval soname=\"$soname_spec\" else soname=$realname fi # Make a new name for the extract_expsyms_cmds to use soroot=$soname func_basename "$soroot" soname=$func_basename_result func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from '$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for '$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test prog = "$linkmode" || test relink != "$opt_mode"; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test no = "$hardcode_direct"; then add=$dir/$linklib case $host in *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; *-*-sysv4*uw2*) add_dir=-L$dir ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir=-L$dir ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we cannot # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library"; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add=$dir/$old_library fi elif test -n "$old_library"; then add=$dir/$old_library fi fi esac elif test no = "$hardcode_minus_L"; then case $host in *-*-sunos*) add_shlibpath=$dir ;; esac add_dir=-L$dir add=-l$name elif test no = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; relink) if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$dir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$absdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name elif test yes = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; *) lib_linked=no ;; esac if test yes != "$lib_linked"; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test prog = "$linkmode"; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test yes != "$hardcode_direct" && test yes != "$hardcode_minus_L" && test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test prog = "$linkmode" || test relink = "$opt_mode"; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$libdir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$libdir add=-l$name elif test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add=-l$name elif test yes = "$hardcode_automatic"; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib"; then add=$inst_prefix_dir$libdir/$linklib else add=$libdir/$linklib fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir=-L$libdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name fi if test prog = "$linkmode"; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test prog = "$linkmode"; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test unsupported != "$hardcode_direct"; then test -n "$old_library" && linklib=$old_library compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test yes = "$build_libtool_libs"; then # Not a shared library if test pass_all != "$deplibs_check_method"; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system cannot link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test yes = "$module"; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test lib = "$linkmode"; then if test -n "$dependency_libs" && { test yes != "$hardcode_into_libs" || test yes = "$build_old_libs" || test yes = "$link_static"; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs=$temp_deplibs fi func_append newlib_search_path " $absdir" # Link against this library test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test no != "$link_all_deplibs"; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path=$deplib ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of '$dir'" absdir=$dir fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names"; then for tmp in $deplibrary_names; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl"; then depdepl=$absdir/$objdir/$depdepl darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" path= fi fi ;; *) path=-L$absdir/$objdir ;; esac else eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "'$deplib' seems to be moved" path=-L$absdir fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test link = "$pass"; then if test prog = "$linkmode"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs=$newdependency_libs if test dlpreopen = "$pass"; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test dlopen != "$pass"; then test conv = "$pass" || { # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= } if test prog,link = "$linkmode,$pass"; then vars="compile_deplibs finalize_deplibs" else vars=deplibs fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Add Sun CC postdeps if required: test CXX = "$tagname" && { case $host_os in linux*) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; solaris*) func_cc_basename "$CC" case $func_cc_basename_result in CC* | sunCC*) func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; esac } # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i= ;; esac if test -n "$i"; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test prog = "$linkmode"; then dlfiles=$newdlfiles fi if test prog = "$linkmode" || test lib = "$linkmode"; then dlprefiles=$newdlprefiles fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "'-R' is ignored for archives" test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "'-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "'-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs=$output func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form 'libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test no = "$module" \ && func_fatal_help "libtool library '$output' must begin with 'lib'" if test no != "$need_lib_prefix"; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test pass_all != "$deplibs_check_method"; then func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test no = "$dlself" \ || func_warning "'-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test 1 -lt "$#" \ && func_warning "ignoring multiple '-rpath's for a libtool library" install_libdir=$1 oldlibs= if test -z "$rpath"; then if test yes = "$build_libtool_libs"; then # Building a libtool convenience library. # Some compilers have problems with a '.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "'-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs=$IFS; IFS=: set dummy $vinfo 0 0 0 shift IFS=$save_ifs test -n "$7" && \ func_fatal_help "too many parameters to '-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major=$1 number_minor=$2 number_revision=$3 # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # that has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|freebsd-elf|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_revision ;; freebsd-aout|qnx|sunos) current=$number_major revision=$number_minor age=0 ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_minor lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type '$version_type'" ;; esac ;; no) current=$1 revision=$2 age=$3 ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT '$current' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION '$revision' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE '$age' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE '$age' is greater than the current interface number '$current'" func_fatal_error "'$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" # On Darwin other compilers case $CC in nagfor*) verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" ;; *) verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; esac ;; freebsd-aout) major=.$current versuffix=.$current.$revision ;; freebsd-elf) func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; irix | nonstopux) if test no = "$lt_irix_increment"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring=$verstring_prefix$major.$revision # Add in all the interfaces that we are compatible with. loop=$revision while test 0 -ne "$loop"; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring_prefix$major.$iface:$verstring done # Before this point, $major must not contain '.'. major=.$major versuffix=$major.$revision ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=.$current.$age.$revision verstring=$current.$age.$revision # Add in all the interfaces that we are compatible with. loop=$age while test 0 -ne "$loop"; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring:$iface.0 done # Make executables depend on our current version. func_append verstring ":$current.0" ;; qnx) major=.$current versuffix=.$current ;; sco) major=.$current versuffix=.$current ;; sunos) major=.$current versuffix=.$current.$revision ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 file systems. func_arith $current - $age major=$func_arith_result versuffix=-$major ;; *) func_fatal_configuration "unknown library version type '$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring=0.0 ;; esac if test no = "$need_version"; then versuffix= else versuffix=.0.0 fi fi # Remove version info from name if versioning should be avoided if test yes,no = "$avoid_version,$need_version"; then major= versuffix= verstring= fi # Check to see if the archive will have undefined symbols. if test yes = "$allow_undefined"; then if test unsupported = "$allow_undefined_flag"; then if test yes = "$build_old_libs"; then func_warning "undefined symbols not allowed in $host shared libraries; building static only" build_libtool_libs=no else func_fatal_error "can't build $host shared library unless -no-undefined is specified" fi fi else # Don't allow undefined symbols. allow_undefined_flag=$no_undefined_flag fi fi func_generate_dlsyms "$libname" "$libname" : func_append libobjs " $symfileobj" test " " = "$libobjs" && libobjs= if test relink != "$opt_mode"; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) if test -n "$precious_files_regex"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles=$dlfiles dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles=$dlprefiles dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test yes = "$build_libtool_libs"; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test yes = "$build_libtool_need_lc"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release= versuffix= major= newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib=$potent_lib while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | $SED 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib= ;; esac fi if test -n "$a_deplib"; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib=$potent_lib # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs= tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test yes = "$allow_libtool_libs_with_static_runtimes"; then for i in $predeps $postdeps; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test none = "$deplibs_check_method"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test yes = "$droppeddeps"; then if test yes = "$module"; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test no = "$allow_undefined"; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs=$new_libs # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test yes = "$build_libtool_libs"; then # Remove $wl instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test yes = "$hardcode_into_libs"; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath=$finalize_rpath test relink = "$opt_mode" || rpath=$compile_rpath$rpath for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath=$finalize_shlibpath test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname=$1 shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname=$realname fi if test -z "$dlname"; then dlname=$soname fi lib=$output_objdir/$realname linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols=$output_objdir/$libname.uexp func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile func_dll_def_p "$export_symbols" || { # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols=$export_symbols export_symbols= always_export_symbols=yes } fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs=$IFS; IFS='~' for cmd1 in $cmds; do IFS=$save_ifs # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test yes = "$try_normal_branch" \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=$output_objdir/$output_la.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS=$save_ifs if test -n "$export_symbols_regex" && test : != "$skipped_export"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test : != "$skipped_export" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs=$tmp_deplibs if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test yes = "$compiler_needs_object" && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test : != "$skipped_export" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then output=$output_objdir/$output_la.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then output=$output_objdir/$output_la.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test yes = "$compiler_needs_object"; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-$k.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test -z "$objlist" || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test 1 -eq "$k"; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-$k.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-$k.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi ${skipped_export-false} && { func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi } test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs=$IFS; IFS='~' for cmd in $concat_cmds; do IFS=$save_ifs $opt_quiet || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi ${skipped_export-false} && { if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi } libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs=$IFS; IFS='~' for cmd in $cmds; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs $opt_quiet || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs # Restore the uninstalled library and exit if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test yes = "$module" || test yes = "$export_dynamic"; then # On all known operating systems, these are identical. dlname=$soname fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "'-R' is ignored for objects" test -n "$vinfo" && \ func_warning "'-version-info' is ignored for objects" test -n "$release" && \ func_warning "'-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object '$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj=$output ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # if reload_cmds runs $LD directly, get rid of -Wl from # whole_archive_flag_spec and hope we can get by with turning comma # into space. case $reload_cmds in *\$LD[\ \$]*) wl= ;; esac if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags else gentop=$output_objdir/${obj}x func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test yes = "$build_libtool_libs" || libobjs=$non_pic_objects # Create the old-style object. reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs output=$obj func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi test yes = "$build_libtool_libs" || { if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS } if test -n "$pic_flag" || test default != "$pic_mode"; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output=$libobj func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "'-version-info' is ignored for programs" test -n "$release" && \ func_warning "'-release' is ignored for programs" $preload \ && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test CXX = "$tagname"; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " $wl-bind_at_load" func_append finalize_command " $wl-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs=$new_libs func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath=$rpath rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath=$rpath if test -n "$libobjs" && test yes = "$build_old_libs"; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" false # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=: case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=false ;; *cygwin* | *mingw* ) test yes = "$build_libtool_libs" || wrappers_required=false ;; *) if test no = "$need_relink" || test yes != "$build_libtool_libs"; then wrappers_required=false fi ;; esac $wrappers_required || { # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command=$compile_command$compile_rpath # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.$objext"; then func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' fi exit $exit_status } if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test yes = "$no_install"; then # We don't need to create a wrapper script. link_command=$compile_var$compile_command$compile_rpath # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi case $hardcode_action,$fast_install in relink,*) # Fast installation is not supported link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath func_warning "this platform does not like uninstalled shared libraries" func_warning "'$output' will be relinked during installation" ;; *,yes) link_command=$finalize_var$compile_command$finalize_rpath relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` ;; *,no) link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath ;; *,needless) link_command=$finalize_var$compile_command$finalize_rpath relink_command= ;; esac # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource=$output_path/$objdir/lt-$output_name.c cwrapper=$output_path/$output_name.exe $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host"; then $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do case $build_libtool_libs in convenience) oldobjs="$libobjs_save $symfileobj" addlibs=$convenience build_libtool_libs=no ;; module) oldobjs=$libobjs_save addlibs=$old_convenience build_libtool_libs=no ;; *) oldobjs="$old_deplibs $non_pic_objects" $preload && test -f "$symfileobj" \ && func_append oldobjs " $symfileobj" addlibs=$old_convenience ;; esac if test -n "$addlibs"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $addlibs func_append oldobjs " $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append oldobjs " $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase=$func_basename_result case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? for obj in $save_oldobjs do last_oldobj=$obj done eval test_cmds=\"$old_archive_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 for obj in $save_oldobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result func_append objlist " $obj" if test "$len" -lt "$max_cmd_len"; then : else # the above command should be used before it gets too long oldobjs=$objlist if test "$obj" = "$last_oldobj"; then RANLIB=$save_RANLIB fi test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$old_archive_cmds\" objlist= len=$len0 fi done RANLIB=$save_RANLIB oldobjs=$objlist if test -z "$oldobjs"; then eval cmds=\"\$concat_cmds\" else eval cmds=\"\$concat_cmds~\$old_archive_cmds\" fi fi fi func_execute_cmds "$cmds" 'exit $?' done test -n "$generated" && \ func_show_eval "${RM}r$generated" # Now create the libtool archive. case $output in *.la) old_library= test yes = "$build_old_libs" && old_library=$libname.$libext func_verbose "creating $output" # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done # Quote the link command for shipping. relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` if test yes = "$hardcode_automatic"; then relink_command= fi # Only create the output if not a dry run. $opt_dry_run || { for installed in no yes; do if test yes = "$installed"; then if test -z "$install_libdir"; then break fi output=$output_objdir/${outputname}i # Replace all uninstalled libtool libraries with the installed ones newdependency_libs= for deplib in $dependency_libs; do case $deplib in *.la) func_basename "$deplib" name=$func_basename_result func_resolve_sysroot "$deplib" eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" ;; -L*) func_stripname -L '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -L$func_replace_sysroot_result" ;; -R*) func_stripname -R '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -R$func_replace_sysroot_result" ;; *) func_append newdependency_libs " $deplib" ;; esac done dependency_libs=$newdependency_libs newdlfiles= for lib in $dlfiles; do case $lib in *.la) func_basename "$lib" name=$func_basename_result eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "'$lib' is not a valid libtool archive" func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" ;; *) func_append newdlfiles " $lib" ;; esac done dlfiles=$newdlfiles newdlprefiles= for lib in $dlprefiles; do case $lib in *.la) # Only pass preopened files to the pseudo-archive (for # eventual linking with the app. that links it) if we # didn't already link the preopened objects directly into # the library: func_basename "$lib" name=$func_basename_result eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "'$lib' is not a valid libtool archive" func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" ;; esac done dlprefiles=$newdlprefiles else newdlfiles= for lib in $dlfiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlfiles " $abs" done dlfiles=$newdlfiles newdlprefiles= for lib in $dlprefiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlprefiles " $abs" done dlprefiles=$newdlprefiles fi $RM $output # place dlname in correct position for cygwin # In fact, it would be nice if we could use this code for all target # systems that can't hard-code library paths into their executables # and that have no shared library path variable independent of PATH, # but it turns out we can't easily determine that from inspecting # libtool variables, so we have to hard-code the OSs to which it # applies here; at the moment, that means platforms that use the PE # object format with DLL files. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . # func_error message func_error () { echo "$me: $1" 1>&2 exit 1 } file_conv= # func_file_conv build_file # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. func_file_conv () { file=$1 case $file in / | /[!/]*) # absolute file, and not a UNC file if test -z "$file_conv"; then # lazily determine how to convert abs files case `uname -s` in MINGW*) file_conv=mingw ;; CYGWIN*) file_conv=cygwin ;; *) file_conv=wine ;; esac fi case $file_conv in mingw) file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` ;; cygwin) file=`cygpath -m "$file" || echo "$file"` ;; wine) file=`winepath -w "$file" || echo "$file"` ;; esac ;; esac } # func_at_file at_file operation archive # Iterate over all members in AT_FILE performing OPERATION on ARCHIVE # for each of them. # When interpreting the content of the @FILE, do NOT use func_file_conv, # since the user would need to supply preconverted file names to # binutils ar, at least for MinGW. func_at_file () { operation=$2 archive=$3 at_file_contents=`cat "$1"` eval set x "$at_file_contents" shift for member do $AR -NOLOGO $operation:"$member" "$archive" || exit $? done } case $1 in '') func_error "no command. 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That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libunwind-1.3.2/config/config.sub0000755000175000017500000010645013640673441013677 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2018 Free Software Foundation, Inc. timestamp='2018-02-22' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2018 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ kopensolaris*-gnu* | cloudabi*-eabi* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo "$1" | sed 's/-[^-]*$//'` if [ "$basic_machine" != "$1" ] then os=`echo "$1" | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze*) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo "$1" | sed -e 's/86-.*/86-sequent/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | ba \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | e2k | epiphany \ | fido | fr30 | frv | ft32 \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia16 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pru \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | visium \ | wasm32 \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; leon|leon[3-9]) basic_machine=sparc-$basic_machine ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | ba-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | e2k-* | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia16-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pru-* \ | pyramid-* \ | riscv32-* | riscv64-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | visium-* \ | wasm32-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-pc os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; asmjs) basic_machine=asmjs-unknown ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2*) basic_machine=m68k-bull os=-sysv3 ;; e500v[12]) basic_machine=powerpc-unknown os=$os"spe" ;; e500v[12]-*) basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'` os=$os"spe" ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner; maintained since 2000 by Ben Elliston. # # You can get the latest version of this script from: # https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess # # Please send patches to . me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. 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Hard to guess exactly what SunOS6 will be like, but # it's likely to be more like Solaris than SunOS4. echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`" exit ;; sun4*:SunOS:*:*) case "`/usr/bin/arch -k`" in Series*|S4*) UNAME_RELEASE=`uname -v` ;; esac # Japanese Language versions have a version number like `4.1.3-JL'. echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`" exit ;; sun3*:SunOS:*:*) echo m68k-sun-sunos"$UNAME_RELEASE" exit ;; sun*:*:4.2BSD:*) UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3 case "`/bin/arch`" in sun3) echo m68k-sun-sunos"$UNAME_RELEASE" ;; sun4) echo sparc-sun-sunos"$UNAME_RELEASE" ;; esac exit ;; aushp:SunOS:*:*) echo sparc-auspex-sunos"$UNAME_RELEASE" exit ;; # The situation for MiNT is a little confusing. The machine name # can be virtually everything (everything which is not # "atarist" or "atariste" at least should have a processor # > m68000). The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint"$UNAME_RELEASE" exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint"$UNAME_RELEASE" exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint"$UNAME_RELEASE" exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint"$UNAME_RELEASE" exit ;; m68k:machten:*:*) echo m68k-apple-machten"$UNAME_RELEASE" exit ;; powerpc:machten:*:*) echo powerpc-apple-machten"$UNAME_RELEASE" exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix"$UNAME_RELEASE" exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix"$UNAME_RELEASE" exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix"$UNAME_RELEASE" exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`"$dummy" "$dummyarg"` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos"$UNAME_RELEASE" exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ] then if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \ [ "$TARGET_BINARY_INTERFACE"x = x ] then echo m88k-dg-dgux"$UNAME_RELEASE" else echo m88k-dg-dguxbcs"$UNAME_RELEASE" fi else echo i586-dg-dgux"$UNAME_RELEASE" fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`" exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV="$UNAME_VERSION.$UNAME_RELEASE" fi echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV" exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/lslpp ] ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV="$UNAME_VERSION.$UNAME_RELEASE" fi echo "$IBM_ARCH"-ibm-aix"$IBM_REV" exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd"$UNAME_RELEASE" # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'` case "$UNAME_MACHINE" in 9000/31?) HP_ARCH=m68000 ;; 9000/[34]??) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "$sc_cpu_version" in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "$sc_kernel_bits" in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if [ "$HP_ARCH" = "" ]; then eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ "$HP_ARCH" = hppa2.0w ] then eval "$set_cc_for_build" # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi echo "$HP_ARCH"-hp-hpux"$HPUX_REV" exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux"$HPUX_REV" exit ;; 3050*:HI-UX:*:*) eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo "$UNAME_MACHINE"-unknown-osf1mk else echo "$UNAME_MACHINE"-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE" exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi"$UNAME_RELEASE" exit ;; *:BSD/OS:*:*) echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE" exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case "$UNAME_PROCESSOR" in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`" exit ;; i*:CYGWIN*:*) echo "$UNAME_MACHINE"-pc-cygwin exit ;; *:MINGW64*:*) echo "$UNAME_MACHINE"-pc-mingw64 exit ;; *:MINGW*:*) echo "$UNAME_MACHINE"-pc-mingw32 exit ;; *:MSYS*:*) echo "$UNAME_MACHINE"-pc-msys exit ;; i*:PW*:*) echo "$UNAME_MACHINE"-pc-pw32 exit ;; *:Interix*:*) case "$UNAME_MACHINE" in x86) echo i586-pc-interix"$UNAME_RELEASE" exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix"$UNAME_RELEASE" exit ;; IA64) echo ia64-unknown-interix"$UNAME_RELEASE" exit ;; esac ;; i*:UWIN*:*) echo "$UNAME_MACHINE"-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`" exit ;; *:GNU:*:*) # the GNU system echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo "$UNAME_RELEASE"|sed -e 's,/.*$,,'`" exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC" exit ;; i*86:Minix:*:*) echo "$UNAME_MACHINE"-pc-minix exit ;; aarch64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; arm*:Linux:*:*) eval "$set_cc_for_build" if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi else echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf fi fi exit ;; avr32*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; cris:Linux:*:*) echo "$UNAME_MACHINE"-axis-linux-"$LIBC" exit ;; crisv32:Linux:*:*) echo "$UNAME_MACHINE"-axis-linux-"$LIBC" exit ;; e2k:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; frv:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; hexagon:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; i*86:Linux:*:*) echo "$UNAME_MACHINE"-pc-linux-"$LIBC" exit ;; ia64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; k1om:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; m32r*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; m68*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval "$set_cc_for_build" sed 's/^ //' << EOF > "$dummy.c" #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU'`" test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; } ;; mips64el:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; openrisc*:Linux:*:*) echo or1k-unknown-linux-"$LIBC" exit ;; or32:Linux:*:* | or1k*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; padre:Linux:*:*) echo sparc-unknown-linux-"$LIBC" exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-"$LIBC" exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;; PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;; *) echo hppa-unknown-linux-"$LIBC" ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-"$LIBC" exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-"$LIBC" exit ;; ppc64le:Linux:*:*) echo powerpc64le-unknown-linux-"$LIBC" exit ;; ppcle:Linux:*:*) echo powerpcle-unknown-linux-"$LIBC" exit ;; riscv32:Linux:*:* | riscv64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo "$UNAME_MACHINE"-ibm-linux-"$LIBC" exit ;; sh64*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; sh*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; tile*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; vax:Linux:*:*) echo "$UNAME_MACHINE"-dec-linux-"$LIBC" exit ;; x86_64:Linux:*:*) if objdump -f /bin/sh | grep -q elf32-x86-64; then echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32 else echo "$UNAME_MACHINE"-pc-linux-"$LIBC" fi exit ;; xtensa*:Linux:*:*) echo "$UNAME_MACHINE"-unknown-linux-"$LIBC" exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo "$UNAME_MACHINE"-pc-sysv4.2uw"$UNAME_VERSION" exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo "$UNAME_MACHINE"-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo "$UNAME_MACHINE"-unknown-stop exit ;; i*86:atheos:*:*) echo "$UNAME_MACHINE"-unknown-atheos exit ;; i*86:syllable:*:*) echo "$UNAME_MACHINE"-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos"$UNAME_RELEASE" exit ;; i*86:*DOS:*:*) echo "$UNAME_MACHINE"-pc-msdosdjgpp exit ;; i*86:*:4.*:*) UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL" else echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL" fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}{$UNAME_VERSION}" exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL" else echo "$UNAME_MACHINE"-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv"$UNAME_RELEASE" # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos"$UNAME_RELEASE" exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos"$UNAME_RELEASE" exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos"$UNAME_RELEASE" exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos"$UNAME_RELEASE" exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv"$UNAME_RELEASE" exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo "$UNAME_MACHINE"-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo "$UNAME_MACHINE"-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux"$UNAME_RELEASE" exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv"$UNAME_RELEASE" else echo mips-unknown-sysv"$UNAME_RELEASE" fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-unknown-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux"$UNAME_RELEASE" exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux"$UNAME_RELEASE" exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux"$UNAME_RELEASE" exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux"$UNAME_RELEASE" exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux"$UNAME_RELEASE" exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux"$UNAME_RELEASE" exit ;; SX-ACE:SUPER-UX:*:*) echo sxace-nec-superux"$UNAME_RELEASE" exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody"$UNAME_RELEASE" exit ;; *:Rhapsody:*:*) echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE" exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown eval "$set_cc_for_build" if test "$UNAME_PROCESSOR" = unknown ; then UNAME_PROCESSOR=powerpc fi if test "`echo "$UNAME_RELEASE" | sed -e 's/\..*//'`" -le 10 ; then if [ "$CC_FOR_BUILD" != no_compiler_found ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi fi elif test "$UNAME_PROCESSOR" = i386 ; then # Avoid executing cc on OS X 10.9, as it ships with a stub # that puts up a graphical alert prompting to install # developer tools. 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UNAME_PROCESSOR=x86_64 fi echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE" exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE" exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-*:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk"$UNAME_RELEASE" exit ;; NSE-*:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk"$UNAME_RELEASE" exit ;; NSR-*:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk"$UNAME_RELEASE" exit ;; NSV-*:NONSTOP_KERNEL:*:*) echo nsv-tandem-nsk"$UNAME_RELEASE" exit ;; NSX-*:NONSTOP_KERNEL:*:*) echo nsx-tandem-nsk"$UNAME_RELEASE" exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE" exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = 386; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo "$UNAME_MACHINE"-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux"$UNAME_RELEASE" exit ;; *:DragonFly:*:*) echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`" exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "$UNAME_MACHINE" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`" exit ;; i*86:rdos:*:*) echo "$UNAME_MACHINE"-pc-rdos exit ;; i*86:AROS:*:*) echo "$UNAME_MACHINE"-pc-aros exit ;; x86_64:VMkernel:*:*) echo "$UNAME_MACHINE"-unknown-esx exit ;; amd64:Isilon\ OneFS:*:*) echo x86_64-unknown-onefs exit ;; esac echo "$0: unable to guess system type" >&2 case "$UNAME_MACHINE:$UNAME_SYSTEM" in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF exit 1 # Local variables: # eval: (add-hook 'write-file-functions 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libunwind-1.3.2/COPYING0000644000175000017500000000204713406556425011501 00000000000000Copyright (c) 2002 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. libunwind-1.3.2/AUTHORS0000644000175000017500000000004713406556425011514 00000000000000David Mosberger libunwind-1.3.2/INSTALL0000644000175000017500000003661413640673441011504 00000000000000Installation Instructions ************************* Copyright (C) 1994-1996, 1999-2002, 2004-2016 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Basic Installation ================== Briefly, the shell command './configure && make && make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the 'README' file for instructions specific to this package. Some packages provide this 'INSTALL' file but do not implement all of the features documented below. The lack of an optional feature in a given package is not necessarily a bug. More recommendations for GNU packages can be found in *note Makefile Conventions: (standards)Makefile Conventions. The 'configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a 'Makefile' in each directory of the package. It may also create one or more '.h' files containing system-dependent definitions. Finally, it creates a shell script 'config.status' that you can run in the future to recreate the current configuration, and a file 'config.log' containing compiler output (useful mainly for debugging 'configure'). 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'--help=short' '--help=recursive' Print a summary of the options unique to this package's 'configure', and exit. The 'short' variant lists options used only in the top level, while the 'recursive' variant lists options also present in any nested packages. '--version' '-V' Print the version of Autoconf used to generate the 'configure' script, and exit. '--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally 'config.cache'. FILE defaults to '/dev/null' to disable caching. '--config-cache' '-C' Alias for '--cache-file=config.cache'. '--quiet' '--silent' '-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to '/dev/null' (any error messages will still be shown). '--srcdir=DIR' Look for the package's source code in directory DIR. Usually 'configure' can determine that directory automatically. '--prefix=DIR' Use DIR as the installation prefix. *note Installation Names:: for more details, including other options available for fine-tuning the installation locations. '--no-create' '-n' Run the configure checks, but stop before creating any output files. 'configure' also accepts some other, not widely useful, options. Run 'configure --help' for more details. libunwind-1.3.2/NEWS0000644000175000017500000002113413406755365011147 00000000000000-*-Mode: outline-*- * News for v1.3: ** Iteration of unwind register states support Doug Moore ** Freebsd/Armv6 support Konstantin Belousov ** Many, many dwarf bugfixes ** Mips remote unwind support ** aarch64 ptrace support * News for v1.2: ** aarch64 port ** dwarf parsing improvements ** Fast stacktraces for aarch64 & arm ** tilegx port ** powerpc64 port * News for v1.1: ** coredump unwind support ** New arch: SuperH ** Improved support for PowerPC, ARM ** Lots of cleanups, perf tweaks ** pkg-config support * News for v1.0: ** Fast unwind (rbp, rsp, rip only) on x86_64 with a fallback to slow code path (Lassi Tuura) ** Improved local and remote unwinding on ARM (Ken Werner) ** Testing, stability and many fixes on x86 (Paul Pluzhnikov) ** FreeBSD port and clean separation of OS specific bits (Konstantin Belousov) ** Thanks for all the bug reports, contributions and testing! * News for v0.99: ** Greatly improved x86-64 support thanks to Arun Sharma. ** Support for PPC64 added by Jose Flavio Aguilar Paulino. * News for v0.98.6: ** Fix address-leak triggered by invalid byte-order. Fixed by Andreas Schwab. ** On ia64, get_static_proc_name() no longer uses a weak reference to _Uelf64_get_proc_name(), since that was causing problems with archive libraries and no longer served any apparent purpose. Fixed by Curt Wohlgemuth. * News for v0.98.5: ** Fix a typo in the man-page of unw_create_addr_space(). ** Fix an off-by-1 bug in the handling of the dynamic ALIAS directive for ia64. Reported by Todd L. Miller. ** Fix a bug in libunwind-ptrace which could cause crash due to extraneous munmap() calls. * News for v0.98.4: ** Fix a typo in _ReadSLEB.c which caused hangs when throwing exceptions from Intel ICC-compiled programs. Reported by Tommy Hoffner. * News for v0.98.3: ** Make it possible to link against libunwind-ia64.a only (i.e., without requiring libunwind.a as well). This keeps apps which need only remote unwinding cleaner, since they logically have no dependency on libunwind.a. ** Dont link against libatomic_ops for now. Due to a packaging bug on Debian, linking against this library causes libunwind.so to get a dependency on libatomic_ops.so, which is not at all what we want. Fortunately, we don't have to link against that library on x86 or ia64 since the library is strictly needed only for platforms with poor atomic operation support. Once the libatomic_ops package is fixed, we can re-enable linking against libatomic_ops. * News for v0.98.2: ** Fixed bug which caused _UPT_get_dyn_info_list_addr() to sometimes fail needlessly. Found by Todd L. Miller. ** When using GCC to build libunwind on ia64, libunwind.so had an unresolved reference to __divdi3. This is undesirable since it creates an implicit dependency on libgcc. This problem has been fixed in the 0.98.2 release by explicitly linking against libgcc.a when building libunwind. * News for v0.98.1: ** Fixed a bug which caused "make install" to install libunwind-common.h.in instead of libunwind-common.h. ** Fixed a bug in the ia64 {sig,}longjmp() which showed on SuSE Linux 9 because it's using a newer compiler & the EPC-based system call stubs. ** Fixed incorrect offsets in tests/ia64-test-nat-asm.S. Warning: you'll need a GNU assembler dated later than 21-Sep-2004 to get this file translated correctly. With an old assembler, "make check" will get lots of failures when running Gia64-test-nat or Lia64-test-nat! ** Convert tests/bt into a full-blown test-case. It's designed to trigger a (rarely-encountered) bug in the GNU assembler on ia64. The assembler has been fixed and once the libraries (libc etc) have been rebuilt, this test will pass. ** Added test-case tests/run-ptrace-misc which, on ia64, triggers a bug in current GCC (including v3.4.2) which causes bad unwind info. * News for v0.98: ** Update libunwind to be compliant with the updated/expanded ia64 unwind specificiation by HJ Lu [1]. This is needed for GCC 3.4 compatibility. [1] http://www.kernel.org/pub/linux/devel/gcc/unwind/ ** Initial support for x86-64 has been added courtesy of Max Asbock. Along with this came a bunch of DWARF2 unwinder fixes. ** A new rountine unw_strerror() has been added courtesy of Thomas Hallgren. ** Including now defines 4 macros that can be used to determine the version number of libunwind. Specifically, UNW_VERSION_MAJOR, UNW_VERSION_MINOR, UNW_VERSION, and UNW_VERSION_CODE are defined by the header now. ** Bug fixes *** Fix a memory-leak in _UPT_get_dyn_info_list_addr() courtesy of Ed Connell. *** Fix a crash in libunwind-ptrace courtesy of Mark Young. *** Fix a bug in ia64-version of unw_init_remote() which prevented it from working correctly for the local address space. Reported by Troy Heber. *** Many other small and not so small fixes. * News for v0.97: ** unw_get_proc_name() may now be called from signal-handler. ** The ptrace-helper routines are now declared in libunwind-ptrace.h. Applications which use ptrace-based unwinding should include to get the _UPT_*() routines declared. ** libunwind has been split into a "local-only" and a "generic" versions. The former is optimized for local unwinding (within a process) and is called libunwind.so (shared version) or libunwind.a (archive version). The generic version is not limited to unwinding within a process and is called libunwind-generic.so (shared version) libunwind-generic.a (archive version). Similarly, the ptrace() support has been separated out into a convenience library called libunwind-ptrace.a. For the most part, backwards-compatibility is retained. However, when building an application which uses libunwind, it may be necessary to change the linker command-line as shown in the table below: Application which does: Before v0.97: With v0.97: ----------------------- ------------- ----------- local unwinding only: -lunwind -lunwind remote unwinding: -lunwind -lunwind-generic cross unwinding: -lunwind-PLAT -lunwind-PLAT ptrace-based unwinding: -lunwind -lunwind-ptrace -lunwind-generic The motivation for this splitting is to keep libunwind.so as minimal as possible. This library will eventually be loaded by most (if not all) executables and hence it is important to ensure that it can be loaded as quickly as possible. ** unw_getcontext() tuned on IA-64. The unw_getcontext() routine used to be provided by (GNU) libc (getcontext()). This caused unnecessary overhead (e.g., an unnecessary system-call to sigprocmask()). The new unw_getcontext() only does the work really needed for libunwind and hence performs much better. However, this change implies that programs linked against libunwind v0.97 won't be backwards-compatible with earlier versions (there would be an unresolved symbol for _Uia64_getcontext()). ** Fix NaT-bit handling on IA-64. New test-cases have been added to test the handling of the NaT bit (and floating-point NaT values) and all discovered/known bugs have been fixed. ** Initial DWARF-based unwinder for x86. There is a beginning for a DWARF-based unwinder for x86. Work for x86-64-support based on this DWARF unwinder is currently underway at IBM and it is expected that this support will be merged into the official tree soon. * News for v0.96: ** _Unwind_*() routines defined by the C++ ABI are now included in libunwind. * News for v0.95: ** Bigger, better, faster, or so the theory goes. * News for v0.93: ** More bug-fixes & improved HP-UX support. * News for v0.92: ** Bug-fix release. IA-64 unwinder can now be built with Intel compiler (ECC). * News for v0.91: ** Lots of documentation updates ** Some portability fixes. * News for v0.9: ** The libunwind API is mostly feature-complete at this point (hence the version jump from v0.2 to v0.9). * News for v0.2: ** Automated configuration/build with autoconf and automake. ** Added support for building libunwind as a shared library. ** Added support for remote unwinding. ** Added support for cross-building. ** Added two new routines to the API: - unw_is_fpreg() - unw_get_save_loc() ** Added multi-architecture supports (lets a single application use the unwind libraries for multiple target architectures; this is useful, e.g., useful for building a debugger that can support multiple targets such as x86, ia64, etc.) * News for v0.1: ** Added support for exception handling. * News for v0.0: ** It's a brand new package. libunwind-1.3.2/tests/0000755000175000017500000000000013640673451011664 500000000000000libunwind-1.3.2/tests/ia64-test-stack.h0000644000175000017500000000013713406556425014602 00000000000000#define NSTACKS 1024 #define STACK_SIZE_SHIFT 17 #define STACK_SIZE (1 << STACK_SIZE_SHIFT) libunwind-1.3.2/tests/run-ptrace-mapper0000755000175000017500000000005513406556425015075 00000000000000#!/bin/sh ./test-ptrace -c -n -t ./mapper $* libunwind-1.3.2/tests/Lia64-test-nat.c0000644000175000017500000000015713406556425014370 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gia64-test-nat.c" #endif libunwind-1.3.2/tests/mapper.c0000644000175000017500000000474313406755365013251 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This program creates lots of mappings such that on Linux the reading of /proc/PID/maps gets very slow. With proper caching, test-ptrace should still run at acceptable speed once /proc/PID/maps has been scanned. If the program dies with a SIGALRM, it means it was running unexpectedly slow. */ #include #include #include #include #include #if !defined(MAP_ANONYMOUS) && defined(MAP_ANON) # define MAP_ANONYMOUS MAP_ANON #endif #if !defined(MAP_NORESERVE) # define MAP_NORESERVE 0 #endif int main (void) { long n = 0; signal (SIGUSR1, SIG_IGN); signal (SIGUSR2, SIG_IGN); printf ("Starting mmap test...\n"); for (n = 0; n < 30000; ++n) { if (mmap (NULL, 1, (n & 1) ? PROT_READ : PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS #ifdef MAP_NORESERVE | MAP_NORESERVE #endif , -1, 0) == MAP_FAILED) { printf ("Failed after %ld successful maps\n", n - 1); exit (0); } } alarm (80); /* die if we don't finish in 80 seconds */ printf ("Turning on single-stepping...\n"); kill (getpid (), SIGUSR1); /* tell test-ptrace to start single-stepping */ printf ("Va bene?\n"); kill (getpid (), SIGUSR2); /* tell test-ptrace to stop single-stepping */ printf ("Turned single-stepping off...\n"); return 0; } libunwind-1.3.2/tests/Ltest-resume-sig-rt.c0000644000175000017500000000016413406556425015546 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-resume-sig-rt.c" #endif libunwind-1.3.2/tests/Ltest-trace.c0000644000175000017500000000015413406556425014140 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-trace.c" #endif libunwind-1.3.2/tests/Lia64-test-rbs.c0000644000175000017500000000015713406556425014374 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gia64-test-rbs.c" #endif libunwind-1.3.2/tests/Ltest-dyn1.c0000644000175000017500000000015313406556425013714 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-dyn1.c" #endif libunwind-1.3.2/tests/flush-cache.h0000644000175000017500000000267113406556425014146 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2012 Tommi Rantala Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef FLUSH_CACHE_H #define FLUSH_CACHE_H #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE__BUILTIN___CLEAR_CACHE #define flush_cache(ADDR, LEN) \ __builtin___clear_cache((ADDR), (ADDR) + (LEN)) #else #include extern void flush_cache (void *addr, size_t len); #endif #endif /* FLUSH_CACHE_H */ libunwind-1.3.2/tests/test-async-sig.c0000644000175000017500000001135013406556425014623 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Check whether basic unwinding truly is async-signal safe. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "compiler.h" #include #include #include #include #include #include #define UNW_LOCAL_ONLY #include static const int nerrors_max = 100; struct itimerval interval = { .it_interval = { .tv_sec = 0, .tv_usec = 0 }, .it_value = { .tv_sec = 0, .tv_usec = 1000 } }; int verbose; int nerrors; int sigcount; #ifndef CONFIG_BLOCK_SIGNALS /* When libunwind is configured with --enable-block-signals=no, the caller is responsible for preventing recursion via signal handlers. We use a simple global here. In a multithreaded program, one would use a thread-local variable. */ int recurcount; #endif #define panic(args...) \ { ++nerrors; fprintf (stderr, args); return; } static void do_backtrace (int may_print, int get_proc_name) { char buf[512], name[256]; unw_cursor_t cursor; unw_word_t ip, sp, off; unw_context_t uc; int ret; int depth = 0; #ifndef CONFIG_BLOCK_SIGNALS if (recurcount > 0) return; recurcount += 1; #endif unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); buf[0] = '\0'; if (get_proc_name || (may_print && verbose)) { ret = unw_get_proc_name (&cursor, name, sizeof (name), &off); if (ret == 0 && (may_print && verbose)) { if (off) snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off); else { size_t len = strlen (name); buf[0] = '<'; memcpy (buf + 1, name, len); buf[len + 1] = '>'; buf[len + 2] = '\0'; } } } if (may_print && verbose) printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp); ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); panic ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); } if (depth++ > 100) { panic ("FAILURE: unw_step() looping over %d iterations\n", depth); break; } } while (ret > 0); #ifndef CONFIG_BLOCK_SIGNALS recurcount -= 1; #endif } void sighandler (int signal) { if (verbose) printf ("sighandler(signal=%d, count=%d)\n", signal, sigcount); do_backtrace (1, 1); ++sigcount; if (sigcount == 100) unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_GLOBAL); else if (sigcount == 200) unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD); else if (sigcount == 300 || nerrors > nerrors_max) { if (nerrors > nerrors_max) panic ("Too many errors (%d)\n", nerrors); if (nerrors) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); exit (0); } setitimer (ITIMER_VIRTUAL, &interval, NULL); } int main (int argc, char **argv UNUSED) { struct sigaction act; long i = 0; if (argc > 1) verbose = 1; unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_NONE); memset (&act, 0, sizeof (act)); act.sa_handler = sighandler; act.sa_flags = SA_SIGINFO; sigaction (SIGVTALRM, &act, NULL); setitimer (ITIMER_VIRTUAL, &interval, NULL); while (1) { if (0 && verbose) printf ("%s: starting backtrace\n", __FUNCTION__); do_backtrace (0, (i++ % 100) == 0); if (nerrors > nerrors_max) { fprintf (stderr, "Too many errors (%d)\n", nerrors); exit (-1); } } return (0); } libunwind-1.3.2/tests/test-reg-state.c0000644000175000017500000000647113406755365014635 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "compiler.h" #include #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int verbose; struct cb_data { unw_word_t ip; void* reg_state; size_t len; }; static int dwarf_reg_states_callback(void *token, void *rs, size_t size, unw_word_t start_ip, unw_word_t end_ip) { struct cb_data *data = token; if (start_ip <= data->ip && data->ip < end_ip) { data->reg_state = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); memcpy(data->reg_state, rs, size); data->len = size; } return 0; } static void do_backtrace (void) { unw_cursor_t cursor; unw_word_t ip, sp; unw_context_t uc; int ret; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); if (verbose) printf ("%016lx (sp=%016lx)\n", (long) ip, (long) sp); struct cb_data data = {.ip = ip, .reg_state = NULL}; ret = unw_reg_states_iterate(&cursor, dwarf_reg_states_callback, &data); if (ret > 0) { ret = unw_apply_reg_state (&cursor, data.reg_state); munmap(data.reg_state, data.len); } if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); panic ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); } } while (ret > 0); } int consume_some_stack_space (void) { unw_cursor_t cursor; unw_context_t uc; char string[1024]; memset (&cursor, 0, sizeof (cursor)); memset (&uc, 0, sizeof (uc)); return sprintf (string, "hello %p %p\n", &cursor, &uc); } int main (int argc, char **argv UNUSED) { struct rlimit rlim; verbose = argc > 1; if (consume_some_stack_space () > 9999) exit (-1); /* can't happen, but don't let the compiler know... */ rlim.rlim_cur = 0; rlim.rlim_max = RLIM_INFINITY; setrlimit (RLIMIT_DATA, &rlim); do_backtrace (); return 0; } libunwind-1.3.2/tests/ia64-test-dyn1.c0000644000175000017500000001371513406556425014351 00000000000000#include "flush-cache.h" #include #include #include #include #include #include #include #include int verbose; #ifdef __ia64__ # define GET_ENTRY(fdesc) (((uintptr_t *) (fdesc))[0]) # define GET_GP(fdesc) (((uintptr_t *) (fdesc))[0]) # define EXTRA 16 #else # define GET_ENTRY(fdesc) ((uintptr_t ) (fdesc)) # define GET_GP(fdesc) (0) # define EXTRA 0 #endif int make_executable (void *addr, size_t len) { if (mprotect ((void *) (((long) addr) & -getpagesize ()), len, PROT_READ | PROT_WRITE | PROT_EXEC) < 0) { perror ("mprotect"); return -1; } flush_cache (addr, len); return 0; } void * create_func (unw_dyn_info_t *di, const char *name, long (*func) (), void *end, unw_dyn_region_info_t *region) { void *mem, *memend, *addr, *fptr; unw_word_t gp = 0; size_t len; len = (uintptr_t) end - GET_ENTRY (func) + EXTRA; mem = malloc (len); if (verbose) printf ("%s: cloning %s at %p (%zu bytes)\n", __FUNCTION__, name, mem, len); memend = (char *) mem + len; #ifdef __ia64__ addr = (void *) GET_ENTRY (func); /* build function descriptor: */ ((long *) mem)[0] = (long) mem + 16; /* entry point */ ((long *) mem)[1] = GET_GP (func); /* global-pointer */ fptr = mem; mem = (void *) ((long) mem + 16); #else fptr = mem; #endif len = (char *) memend - (char *) mem; memcpy (mem, addr, len); if (make_executable (mem, len) < 0) return NULL; if (di) { memset (di, 0, sizeof (*di)); di->start_ip = (unw_word_t) mem; di->end_ip = (unw_word_t) memend; di->gp = gp; di->format = UNW_INFO_FORMAT_DYNAMIC; di->u.pi.name_ptr = (unw_word_t) name; di->u.pi.regions = region; } return fptr; } int main (int argc, char **argv) { extern long func_add1 (long); extern char func_add1_end[]; extern long func_add3 (long, long (*[])()); extern char func_add3_end[]; extern long func_vframe (long); extern char func_vframe_end[]; unw_dyn_region_info_t *r_pro, *r_epi, *r, *rtmp; unw_dyn_info_t di0, di1, di2, di3; long (*add1) (long); long (*add3_0) (long); long (*add3_1) (long, void *[]); long (*vframe) (long); void *flist[2]; long ret; int i; signal (SIGUSR1, SIG_IGN); signal (SIGUSR2, SIG_IGN); if (argc != 1) verbose = 1; add1 = (long (*)(long)) create_func (&di0, "func_add1", func_add1, func_add1_end, NULL); /* Describe the epilogue of func_add3: */ i = 0; r_epi = alloca (_U_dyn_region_info_size (5)); r_epi->op_count = 5; r_epi->next = NULL; r_epi->insn_count = -9; _U_dyn_op_pop_frames (&r_epi->op[i++], _U_QP_TRUE, /* when=*/ 5, /* num_frames=*/ 1); _U_dyn_op_stop (&r_epi->op[i++]); assert ((unsigned) i <= r_epi->op_count); /* Describe the prologue of func_add3: */ i = 0; r_pro = alloca (_U_dyn_region_info_size (4)); r_pro->op_count = 4; r_pro->next = r_epi; r_pro->insn_count = 8; _U_dyn_op_save_reg (&r_pro->op[i++], _U_QP_TRUE, /* when=*/ 0, /* reg=*/ UNW_IA64_AR_PFS, /* dst=*/ UNW_IA64_GR + 34); _U_dyn_op_add (&r_pro->op[i++], _U_QP_TRUE, /* when=*/ 2, /* reg= */ UNW_IA64_SP, /* val=*/ -16); _U_dyn_op_save_reg (&r_pro->op[i++], _U_QP_TRUE, /* when=*/ 4, /* reg=*/ UNW_IA64_RP, /* dst=*/ UNW_IA64_GR + 3); _U_dyn_op_spill_sp_rel (&r_pro->op[i++], _U_QP_TRUE, /* when=*/ 7, /* reg=*/ UNW_IA64_RP, /* off=*/ 16); assert ((unsigned) i <= r_pro->op_count); /* Create regions for func_vframe: */ i = 0; r = alloca (_U_dyn_region_info_size (16)); r->op_count = 16; r->next = NULL; r->insn_count = 4; _U_dyn_op_label_state (&r->op[i++], /* label=*/ 100402); _U_dyn_op_pop_frames (&r->op[i++], _U_QP_TRUE, /* when=*/ 3, /* frames=*/ 1); _U_dyn_op_stop (&r->op[i++]); assert ((unsigned) i <= r->op_count); i = 0; rtmp = r; r = alloca (_U_dyn_region_info_size (16)); r->op_count = 16; r->next = rtmp; r->insn_count = 16; _U_dyn_op_save_reg (&r->op[i++], _U_QP_TRUE, /* when=*/ 8, /* reg=*/ UNW_IA64_RP, /* dst=*/ UNW_IA64_GR + 3); _U_dyn_op_pop_frames (&r->op[i++], _U_QP_TRUE, /* when=*/ 10, /* num_frames=*/ 1); _U_dyn_op_stop (&r->op[i++]); assert ((unsigned) i <= r->op_count); i = 0; rtmp = r; r = alloca (_U_dyn_region_info_size (16)); r->op_count = 16; r->next = rtmp; r->insn_count = 5; _U_dyn_op_save_reg (&r->op[i++], _U_QP_TRUE, /* when=*/ 1, /* reg=*/ UNW_IA64_RP, /* dst=*/ UNW_IA64_GR + 33); _U_dyn_op_save_reg (&r->op[i++], _U_QP_TRUE, /* when=*/ 2, /* reg=*/ UNW_IA64_SP, /* dst=*/ UNW_IA64_GR + 34); _U_dyn_op_spill_fp_rel (&r->op[i++], _U_QP_TRUE, /* when=*/ 4, /* reg=*/ UNW_IA64_AR_PFS, /* off=*/ 16); _U_dyn_op_label_state (&r->op[i++], /* label=*/ 100402); _U_dyn_op_stop (&r->op[i++]); assert ((unsigned) i <= r->op_count); /* Create two functions which can share the region-list: */ add3_0 = (long (*) (long)) create_func (&di1, "func_add3/0", func_add3, func_add3_end, r_pro); add3_1 = (long (*) (long, void *[])) create_func (&di2, "func_add3/1", func_add3, func_add3_end, r_pro); vframe = (long (*) (long)) create_func (&di3, "func_vframe", func_vframe, func_vframe_end, r); _U_dyn_register (&di1); _U_dyn_register (&di2); _U_dyn_register (&di3); _U_dyn_register (&di0); flist[0] = add3_0; flist[1] = add1; kill (getpid (), SIGUSR1); /* do something ptmon can latch onto */ ret = (*add3_1) (13, flist); if (ret != 18) { fprintf (stderr, "FAILURE: (*add3_1)(13) returned %ld\n", ret); exit (-1); } ret = (*vframe) (48); if (ret != 4) { fprintf (stderr, "FAILURE: (*vframe)(16) returned %ld\n", ret); exit (-1); } ret = (*vframe) (64); if (ret != 10) { fprintf (stderr, "FAILURE: (*vframe)(32) returned %ld\n", ret); exit (-1); } kill (getpid (), SIGUSR2); /* do something ptmon can latch onto */ _U_dyn_cancel (&di0); _U_dyn_cancel (&di1); _U_dyn_cancel (&di3); _U_dyn_cancel (&di2); return 0; } libunwind-1.3.2/tests/Ltest-mem-validate.c0000644000175000017500000000642613640667603015420 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "compiler.h" #include #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } void * stack_start; #define PAGE_SIZE 4096 void do_backtrace (void) { void* buffer[1024]; int size = 1024; mprotect((void*)((uintptr_t)stack_start & ~(PAGE_SIZE - 1)), PAGE_SIZE, PROT_NONE); unw_cursor_t cursor; unw_word_t ip, sp; unw_context_t uc; int ret; int steps = 0; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); } steps ++; } while (ret > 0); if (steps < 5) { exit(-1); } mprotect((void*)((uintptr_t)stack_start & ~(PAGE_SIZE - 1)), PAGE_SIZE, PROT_READ|PROT_WRITE); } void consume_and_run (int depth) { unw_cursor_t cursor; unw_context_t uc; char string[1024]; sprintf (string, "hello %p %p\n", &cursor, &uc); if (depth == 0) { do_backtrace(); } else { consume_and_run(depth - 1); } } int main (int argc, char **argv UNUSED) { int start; unw_context_t uc; unw_cursor_t cursor; stack_start = &start; // Initialize pipe mem validate check, opens file descriptors unw_getcontext(&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); int i; for (i = 3; i < 10; i++) { pid_t childpid = fork(); if (!childpid) { /* Close fds and make sure we still work */ int ret = close(i); } int status; if (childpid) { wait(&status); if (WIFEXITED(status)) return WEXITSTATUS(status); else return -1; } else { consume_and_run (10); return 0; } } return 0; } libunwind-1.3.2/tests/Makefile.in0000644000175000017500000030606213640673441013657 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dvi: dvi-am dvi-am: html: html-am html-am: info: info-am info-am: install-data-am: install-dvi: install-dvi-am install-dvi-am: install-exec-am: install-html: install-html-am install-html-am: install-info: install-info-am install-info-am: install-man: install-pdf: install-pdf-am install-pdf-am: install-ps: install-ps-am install-ps-am: installcheck-am: maintainer-clean: maintainer-clean-am -rm -f ./$(DEPDIR)/Gia64-test-nat.Po -rm -f ./$(DEPDIR)/Gia64-test-rbs.Po -rm -f ./$(DEPDIR)/Gia64-test-readonly.Po -rm -f ./$(DEPDIR)/Gia64-test-stack.Po -rm -f ./$(DEPDIR)/Gperf-simple.Po -rm -f ./$(DEPDIR)/Gperf-trace.Po -rm -f ./$(DEPDIR)/Gtest-bt.Po -rm -f ./$(DEPDIR)/Gtest-concurrent.Po -rm -f ./$(DEPDIR)/Gtest-dyn1.Po -rm -f ./$(DEPDIR)/Gtest-exc.Po -rm -f ./$(DEPDIR)/Gtest-init.Po -rm -f ./$(DEPDIR)/Gtest-resume-sig-rt.Po -rm -f ./$(DEPDIR)/Gtest-resume-sig.Po -rm -f ./$(DEPDIR)/Gtest-trace.Po -rm -f ./$(DEPDIR)/Lia64-test-nat.Po -rm -f ./$(DEPDIR)/Lia64-test-rbs.Po -rm -f ./$(DEPDIR)/Lia64-test-readonly.Po -rm -f ./$(DEPDIR)/Lia64-test-stack.Po -rm -f ./$(DEPDIR)/Lperf-simple.Po -rm -f ./$(DEPDIR)/Lperf-trace.Po -rm -f ./$(DEPDIR)/Lrs-race.Po -rm -f ./$(DEPDIR)/Ltest-bt.Po -rm -f ./$(DEPDIR)/Ltest-concurrent.Po -rm -f ./$(DEPDIR)/Ltest-cxx-exceptions.Po -rm -f ./$(DEPDIR)/Ltest-dyn1.Po -rm -f ./$(DEPDIR)/Ltest-exc.Po -rm -f ./$(DEPDIR)/Ltest-init-local-signal-lib.Po -rm -f ./$(DEPDIR)/Ltest-init-local-signal.Po -rm -f ./$(DEPDIR)/Ltest-init.Po -rm -f ./$(DEPDIR)/Ltest-mem-validate.Po -rm -f ./$(DEPDIR)/Ltest-nocalloc.Po -rm -f ./$(DEPDIR)/Ltest-nomalloc.Po -rm -f ./$(DEPDIR)/Ltest-resume-sig-rt.Po -rm -f ./$(DEPDIR)/Ltest-resume-sig.Po -rm -f ./$(DEPDIR)/Ltest-trace.Po -rm -f ./$(DEPDIR)/Ltest-varargs.Po -rm -f ./$(DEPDIR)/crasher.Po -rm -f ./$(DEPDIR)/flush-cache.Po -rm -f ./$(DEPDIR)/forker.Po -rm -f ./$(DEPDIR)/ia64-dyn-asm.Po -rm -f ./$(DEPDIR)/ia64-test-dyn1.Po -rm -f ./$(DEPDIR)/ia64-test-nat-asm.Po -rm -f ./$(DEPDIR)/ia64-test-rbs-asm.Po -rm -f ./$(DEPDIR)/ia64-test-readonly-asm.Po -rm -f ./$(DEPDIR)/ia64-test-setjmp.Po -rm -f ./$(DEPDIR)/ia64-test-sig.Po -rm -f ./$(DEPDIR)/ia64-test-stack-asm.Po -rm -f ./$(DEPDIR)/ident.Po -rm -f ./$(DEPDIR)/mapper.Po -rm -f ./$(DEPDIR)/ppc64-test-altivec-utils.Po -rm -f ./$(DEPDIR)/ppc64-test-altivec.Po -rm -f ./$(DEPDIR)/test-async-sig.Po -rm -f ./$(DEPDIR)/test-coredump-unwind.Po -rm -f ./$(DEPDIR)/test-flush-cache.Po -rm -f ./$(DEPDIR)/test-init-remote.Po -rm -f ./$(DEPDIR)/test-mem.Po -rm -f ./$(DEPDIR)/test-proc-info.Po -rm -f ./$(DEPDIR)/test-ptrace-misc.Po -rm -f ./$(DEPDIR)/test-ptrace.Po -rm -f ./$(DEPDIR)/test-reg-state.Po -rm -f ./$(DEPDIR)/test-setjmp.Po -rm -f ./$(DEPDIR)/test-static-link-gen.Po -rm -f ./$(DEPDIR)/test-static-link-loc.Po -rm -f ./$(DEPDIR)/test-strerror.Po -rm -f Makefile maintainer-clean-am: distclean-am maintainer-clean-generic mostlyclean: mostlyclean-am mostlyclean-am: mostlyclean-compile mostlyclean-generic \ mostlyclean-libtool pdf: pdf-am pdf-am: ps: ps-am ps-am: uninstall-am: .MAKE: check-am install-am install-strip .PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-TESTS \ check-am clean clean-checkPROGRAMS clean-generic clean-libtool \ clean-noinstPROGRAMS cscopelist-am ctags ctags-am distclean \ distclean-compile distclean-generic distclean-libtool \ distclean-tags distdir dvi dvi-am html html-am info info-am \ install install-am install-data install-data-am install-dvi \ install-dvi-am install-exec install-exec-am install-html \ install-html-am install-info install-info-am install-man \ install-pdf install-pdf-am install-ps install-ps-am \ install-strip installcheck installcheck-am installdirs \ maintainer-clean maintainer-clean-generic mostlyclean \ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ pdf pdf-am ps ps-am recheck tags tags-am uninstall \ uninstall-am .PRECIOUS: Makefile @REMOTE_ONLY_TRUE@perf: @REMOTE_ONLY_FALSE@perf: perf-startup Gperf-simple Lperf-simple Lperf-trace @REMOTE_ONLY_FALSE@ @echo "########## Basic performance of generic libunwind:" @REMOTE_ONLY_FALSE@ @./Gperf-simple @REMOTE_ONLY_FALSE@ @echo "########## Basic performance of local-only libunwind:" @REMOTE_ONLY_FALSE@ @./Lperf-simple @REMOTE_ONLY_FALSE@ @echo "########## Performance of fast unwind:" @REMOTE_ONLY_FALSE@ @./Lperf-trace @REMOTE_ONLY_FALSE@ @echo "########## Startup overhead:" @REMOTE_ONLY_FALSE@ @$(srcdir)/perf-startup @arch@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libunwind-1.3.2/tests/crasher.c0000644000175000017500000000437613640667603013413 00000000000000/* This program should crash and produce coredump */ #include "compiler.h" #include #include #include #include #ifdef __FreeBSD__ #include #include #include #endif #if defined(__linux__) void write_maps(char *fname) { char buf[512], path[128]; char exec; uintmax_t addr; FILE *maps = fopen("/proc/self/maps", "r"); FILE *out = fopen(fname, "w"); if (!maps || !out) exit(EXIT_FAILURE); while (fgets(buf, sizeof(buf), maps)) { if (sscanf(buf, "%jx-%*x %*c%*c%c%*c %*x %*s %*d /%126[^\n]", &addr, &exec, path+1) != 3) continue; if (exec != 'x') continue; path[0] = '/'; fprintf(out, "0x%jx:%s ", addr, path); } fprintf(out, "\n"); fclose(out); fclose(maps); } #elif defined(__FreeBSD__) void write_maps(char *fname) { FILE *out; char *buf, *bp, *eb; struct kinfo_vmentry *kv; int mib[4], error; size_t len; out = fopen(fname, "w"); if (out == NULL) exit(EXIT_FAILURE); len = 0; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_VMMAP; mib[3] = getpid(); error = sysctl(mib, 4, NULL, &len, NULL, 0); if (error == -1) exit(EXIT_FAILURE); len = len * 4 / 3; buf = malloc(len); if (buf == NULL) exit(EXIT_FAILURE); error = sysctl(mib, 4, buf, &len, NULL, 0); if (error == -1) exit(EXIT_FAILURE); for (bp = buf, eb = buf + len; bp < eb; bp += kv->kve_structsize) { kv = (struct kinfo_vmentry *)(uintptr_t)bp; if (kv->kve_type == KVME_TYPE_VNODE && (kv->kve_protection & KVME_PROT_EXEC) != 0) { fprintf(out, "0x%jx:%s ", kv->kve_start, kv->kve_path); } } fprintf(out, "\n"); fclose(out); free(buf); } #else #error Port me #endif #ifdef __GNUC__ int c(int x) NOINLINE ALIAS(b); #define compiler_barrier() asm volatile(""); #else int c(int x); #define compiler_barrier() #endif int NOINLINE a(void) { *(volatile int *)32 = 1; return 1; } int NOINLINE b(int x) { int r; compiler_barrier(); if (x) r = a(); else r = c(1); return r + 1; } int main (int argc, char **argv) { if (argc > 1) write_maps(argv[1]); b(0); return 0; } libunwind-1.3.2/tests/Gtest-concurrent.c0000644000175000017500000000637513406556425015232 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Verify that multi-threaded concurrent unwinding works as expected. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #include #include #include #include #include #include #include #define NTHREADS 128 #define panic(args...) \ do { fprintf (stderr, args); ++nerrors; } while (0) int verbose; int nerrors; int got_usr1, got_usr2; char *sigusr1_sp; void handler (int sig UNUSED) { unw_word_t ip; unw_context_t uc; unw_cursor_t c; int ret; unw_getcontext (&uc); unw_init_local (&c, &uc); do { unw_get_reg (&c, UNW_REG_IP, &ip); if (verbose) printf ("%lx: IP=%lx\n", (long) pthread_self (), (unsigned long) ip); } while ((ret = unw_step (&c)) > 0); if (ret < 0) panic ("unw_step() returned %d\n", ret); } void * worker (void *arg UNUSED) { signal (SIGUSR1, handler); if (verbose) printf ("sending SIGUSR1\n"); pthread_kill (pthread_self (), SIGUSR1); return NULL; } static void doit (void) { pthread_t th[NTHREADS]; pthread_attr_t attr; int i; pthread_attr_init (&attr); pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN + 64*1024); for (i = 0; i < NTHREADS; ++i) if (pthread_create (th + i, &attr, worker, NULL)) { fprintf (stderr, "FAILURE: Failed to create %u threads " "(after %u threads)\n", NTHREADS, i); exit (-1); } for (i = 0; i < NTHREADS; ++i) pthread_join (th[i], NULL); } int main (int argc, char **argv UNUSED) { if (argc > 1) verbose = 1; if (verbose) printf ("Caching: none\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_NONE); doit (); if (verbose) printf ("Caching: global\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_GLOBAL); doit (); if (verbose) printf ("Caching: per-thread\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD); doit (); if (nerrors) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/Gtest-bt.c0000644000175000017500000001617513406755365013460 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #include #if HAVE_EXECINFO_H # include #else extern int backtrace (void **, int); #endif #include #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } #define SIG_STACK_SIZE 0x100000 int verbose; int num_errors; /* These variables are global because they * cause the signal stack to overflow */ char buf[512], name[256]; unw_cursor_t cursor; unw_context_t uc; static void do_backtrace (void) { unw_word_t ip, sp, off; unw_proc_info_t pi; int ret; if (verbose) printf ("\texplicit backtrace:\n"); unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); buf[0] = '\0'; if (unw_get_proc_name (&cursor, name, sizeof (name), &off) == 0) { if (off) snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off); else snprintf (buf, sizeof (buf), "<%s>", name); } if (verbose) { printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp); if (unw_get_proc_info (&cursor, &pi) == 0) { printf ("\tproc=0x%lx-0x%lx\n\thandler=0x%lx lsda=0x%lx gp=0x%lx", (long) pi.start_ip, (long) pi.end_ip, (long) pi.handler, (long) pi.lsda, (long) pi.gp); } #if UNW_TARGET_IA64 { unw_word_t bsp; unw_get_reg (&cursor, UNW_IA64_BSP, &bsp); printf (" bsp=%lx", bsp); } #endif printf ("\n"); } ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); printf ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); ++num_errors; } } while (ret > 0); { void *buffer[20]; int i, n; if (verbose) printf ("\n\tvia backtrace():\n"); n = backtrace (buffer, 20); if (verbose) for (i = 0; i < n; ++i) printf ("[%d] ip=%p\n", i, buffer[i]); } } void foo (long val UNUSED) { do_backtrace (); } void bar (long v) { extern long f (long); int arr[v]; /* This is a vain attempt to use up lots of registers to force the frame-chain info to be saved on the memory stack on ia64. It happens to work with gcc v3.3.4 and gcc v3.4.1 but perhaps not with any other compiler. */ foo (f (arr[0]) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + f (v)) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ))))))))))))))))))))))))))))))))))))))))))))))))))))))); } void sighandler (int signal, void *siginfo UNUSED, void *context) { ucontext_t *uc UNUSED; int sp; uc = context; if (verbose) { printf ("sighandler: got signal %d, sp=%p", signal, &sp); #if UNW_TARGET_IA64 # if defined(__linux__) printf (" @ %lx", uc->uc_mcontext.sc_ip); # else { uint16_t reason; uint64_t ip; __uc_get_reason (uc, &reason); __uc_get_ip (uc, &ip); printf (" @ %lx (reason=%d)", ip, reason); } # endif #elif UNW_TARGET_X86 #if defined __linux__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.gregs[REG_EIP]); #elif defined __FreeBSD__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.mc_eip); #endif #elif UNW_TARGET_X86_64 #if defined __linux__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.gregs[REG_RIP]); #elif defined __FreeBSD__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.mc_rip); #endif #endif printf ("\n"); } do_backtrace(); } int main (int argc, char **argv UNUSED) { struct sigaction act; stack_t stk; verbose = (argc > 1); if (verbose) printf ("Normal backtrace:\n"); bar (1); memset (&act, 0, sizeof (act)); act.sa_handler = (void (*)(int)) sighandler; act.sa_flags = SA_SIGINFO; if (sigaction (SIGTERM, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); if (verbose) printf ("\nBacktrace across signal handler:\n"); kill (getpid (), SIGTERM); if (verbose) printf ("\nBacktrace across signal handler on alternate stack:\n"); stk.ss_sp = malloc (SIG_STACK_SIZE); if (!stk.ss_sp) panic ("failed to allocate %u bytes\n", SIG_STACK_SIZE); stk.ss_size = SIG_STACK_SIZE; stk.ss_flags = 0; if (sigaltstack (&stk, NULL) < 0) panic ("sigaltstack: %s\n", strerror (errno)); memset (&act, 0, sizeof (act)); act.sa_handler = (void (*)(int)) sighandler; act.sa_flags = SA_ONSTACK | SA_SIGINFO; if (sigaction (SIGTERM, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); kill (getpid (), SIGTERM); if (num_errors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", num_errors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); signal (SIGTERM, SIG_DFL); stk.ss_flags = SS_DISABLE; sigaltstack (&stk, NULL); free (stk.ss_sp); return 0; } libunwind-1.3.2/tests/check-namespace.sh.in0000644000175000017500000002257113640667603015565 00000000000000#!/bin/sh verbose=false if [ "$1" = "-v" ]; then verbose=true shift fi build_plat=@build_arch@ plat=@arch@ os=@target_os@ num_errors=0 LIBUNWIND=../src/.libs/libunwind.so LIBUNWIND_GENERIC=../src/.libs/libunwind-${plat}.so fetch_symtab () { filename=$1 if [ ! -r $filename ]; then return fi if $verbose; then echo "Checking $filename..." fi # # Unfortunately, "nm --defined" is a GNU-extension. For portability, # build the list of defined symbols by hand. # symtab=`nm -g $filename` saved_IFS="$IFS" IFS="" undef=`nm -g -u $filename` for line in $undef; do symtab=`echo "$symtab" | grep -v "^${line}"\$` done; IFS="$saved_IFS" } ignore () { sym=$1 symtab=`echo "$symtab" | grep -v " ${sym}\$"` } match () { sym=$1 if `echo "$symtab" | grep -q " ${sym}\$"`; then symtab=`echo "$symtab" | grep -v " ${sym}\$"` else echo " ERROR: Symbol \"$sym\" missing." num_errors=`expr $num_errors + 1` fi } # # Filter out miscellaneous symbols that get defined by the # linker for each shared object. # filter_misc () { ignore _DYNAMIC ignore _GLOBAL_OFFSET_TABLE_ ignore __bss_start ignore _edata ignore _end ignore _Uelf32_get_proc_name ignore _Uelf32_valid_object ignore _Uelf64_get_proc_name ignore _Uelf64_valid_object ignore _U.*debug_level ignore ICRT.INTERNAL # ICC 8.x defines this # Ignore symbols generated by the ARM Linux default linker script. # For details see the binutils sources (src/ld/emulparams/armelf_linux.sh). if [ ${plat} = "arm" ]; then ignore __bss_start__ ignore __bss_end__ ignore __end__ ignore _bss_end__ fi if [ ${plat} = "mips" ]; then ignore _fbss ignore _fdata ignore _ftext ignore _gp fi } check_local_unw_abi () { match _UL${plat}_apply_reg_state match _UL${plat}_reg_states_iterate match _UL${plat}_create_addr_space match _UL${plat}_destroy_addr_space match _UL${plat}_get_fpreg match _UL${plat}_get_proc_info match _UL${plat}_get_proc_info_by_ip match _UL${plat}_get_proc_name match _UL${plat}_get_reg match _UL${plat}_get_save_loc match _UL${plat}_init_local match _UL${plat}_init_local2 match _UL${plat}_init_remote match _UL${plat}_is_signal_frame match _UL${plat}_local_addr_space match _UL${plat}_resume match _UL${plat}_set_caching_policy match _UL${plat}_set_cache_size match _UL${plat}_set_reg match _UL${plat}_set_fpreg match _UL${plat}_step match _U${plat}_flush_cache match _U${plat}_get_accessors match _U${plat}_getcontext match _U${plat}_regname match _U${plat}_strerror match _U_dyn_cancel match _U_dyn_info_list_addr match _U_dyn_register match unw_backtrace match backtrace case ${plat} in arm) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _UL${plat}_search_unwind_table match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table ;; hppa) match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_setcontext ;; ia64) match _UL${plat}_search_unwind_table match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path ;; x86) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table ;; x86_64) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table match _U${plat}_setcontext ;; ppc*) match _U${plat}_get_func_addr match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table ;; tilegx) match _U${plat}_is_fpreg match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table match _UL${plat}_local_addr_space_init match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match ${plat}_lock ;; *) match _U${plat}_is_fpreg match _UL${plat}_dwarf_search_unwind_table match _UL${plat}_dwarf_find_unwind_table ;; esac if [ x@enable_debug_frame@ = xyes ]; then match _UL${plat}_dwarf_find_debug_frame fi } check_generic_unw_abi () { match _U${plat}_apply_reg_state match _U${plat}_reg_states_iterate match _U${plat}_create_addr_space match _U${plat}_destroy_addr_space match _U${plat}_flush_cache match _U${plat}_get_accessors match _U${plat}_get_fpreg match _U${plat}_get_proc_info match _U${plat}_get_proc_info_by_ip match _U${plat}_get_proc_name match _U${plat}_get_reg match _U${plat}_get_save_loc match _U${plat}_init_local match _U${plat}_init_local2 match _U${plat}_init_remote match _U${plat}_is_signal_frame match _U${plat}_local_addr_space match _U${plat}_regname match _U${plat}_resume match _U${plat}_set_caching_policy match _U${plat}_set_cache_size match _U${plat}_set_fpreg match _U${plat}_set_reg match _U${plat}_step match _U${plat}_strerror case ${plat} in arm) match _U${plat}_is_fpreg match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_search_unwind_table match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table ;; hppa) match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path ;; ia64) match _U${plat}_search_unwind_table match _U${plat}_find_dyn_list if [ $plat = $build_plat ]; then match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path case $os in linux*) match _U${plat}_get_kernel_table ;; esac fi ;; x86) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table ;; x86_64) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table ;; ppc*) match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_get_func_addr match _U${plat}_is_fpreg match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table ;; tilegx) match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table match _U${plat}_get_elf_image match _U${plat}_get_exe_image_path match _U${plat}_is_fpreg match _U${plat}_local_addr_space_init match ${plat}_lock ;; *) match _U${plat}_is_fpreg match _U${plat}_dwarf_search_unwind_table match _U${plat}_dwarf_find_unwind_table ;; esac if [ x@enable_debug_frame@ = xyes ]; then match _U${plat}_dwarf_find_debug_frame fi } check_cxx_abi () { match _Unwind_Backtrace match _Unwind_DeleteException match _Unwind_FindEnclosingFunction match _Unwind_ForcedUnwind match _Unwind_GetBSP match _Unwind_GetCFA match _Unwind_GetDataRelBase match _Unwind_GetGR match _Unwind_GetIP match _Unwind_GetIPInfo match _Unwind_GetLanguageSpecificData match _Unwind_GetRegionStart match _Unwind_GetTextRelBase match _Unwind_RaiseException match _Unwind_Resume match _Unwind_Resume_or_Rethrow match _Unwind_SetGR match _Unwind_SetIP match __libunwind_Unwind_Backtrace match __libunwind_Unwind_DeleteException match __libunwind_Unwind_FindEnclosingFunction match __libunwind_Unwind_ForcedUnwind match __libunwind_Unwind_GetBSP match __libunwind_Unwind_GetCFA match __libunwind_Unwind_GetDataRelBase match __libunwind_Unwind_GetGR match __libunwind_Unwind_GetIP match __libunwind_Unwind_GetIPInfo match __libunwind_Unwind_GetLanguageSpecificData match __libunwind_Unwind_GetRegionStart match __libunwind_Unwind_GetTextRelBase match __libunwind_Unwind_RaiseException match __libunwind_Unwind_Resume match __libunwind_Unwind_Resume_or_Rethrow match __libunwind_Unwind_SetGR match __libunwind_Unwind_SetIP case $os in linux*) # needed only for Intel 8.0 bug-compatibility match _ReadSLEB match _ReadULEB ;; esac } check_empty () { if [ -n "$symtab" ]; then printf " ERROR: Extraneous symbols:\n$symtab\n" num_errors=`expr $num_errors + 1` fi } if [ $plat = $build_plat ]; then fetch_symtab $LIBUNWIND filter_misc check_local_unw_abi if [ x@enable_cxx_exceptions@ = xyes ]; then check_cxx_abi fi check_empty fi fetch_symtab $LIBUNWIND_GENERIC filter_misc check_generic_unw_abi check_empty if [ $num_errors -gt 0 ]; then echo "FAILURE: Detected $num_errors errors" exit 1 fi if $verbose; then echo " SUCCESS: all checks passed" fi exit 0 libunwind-1.3.2/tests/test-strerror.c0000644000175000017500000000044513406556425014613 00000000000000#include "compiler.h" #include #include int main (int argc, char **argv UNUSED) { int i, verbose = argc > 1; const char *msg; for (i = 0; i < 16; ++i) { msg = unw_strerror (-i); if (verbose) printf ("%6d -> %s\n", -i, msg); } return 0; } libunwind-1.3.2/tests/Gtest-init.cxx0000644000175000017500000000530113406556425014357 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file tests unwinding from a constructor from within an atexit() handler. */ #include #include #include #include #include "compiler.h" int verbose, errors; #define panic(args...) \ { ++errors; fprintf (stderr, args); return; } class Test_Class { public: Test_Class (void); }; static Test_Class t; static void do_backtrace (void) { char name[128], off[32]; unw_word_t ip, offset; unw_cursor_t cursor; unw_context_t uc; int ret, count = 0; unw_getcontext (&uc); unw_init_local (&cursor, &uc); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); name[0] = '\0'; off[0] = '\0'; if (unw_get_proc_name (&cursor, name, sizeof (name), &offset) == 0 && offset > 0) snprintf (off, sizeof (off), "+0x%lx", (long) offset); if (verbose) printf (" [%lx] <%s%s>\n", (long) ip, name, off); if (++count > 32) panic ("FAILURE: didn't reach beginning of unwind-chain\n"); } while ((ret = unw_step (&cursor)) > 0); if (ret < 0) panic ("FAILURE: unw_step() returned %d\n", ret); } static void b (void) { do_backtrace(); } static void a (void) { if (verbose) printf ("do_backtrace() from atexit()-handler:\n"); b(); if (errors) abort (); /* cannot portably call exit() from an atexit() handler */ } Test_Class::Test_Class (void) { if (verbose) printf ("do_backtrace() from constructor:\n"); b(); } int main (int argc, char **argv UNUSED) { verbose = argc > 1; return atexit (a); } libunwind-1.3.2/tests/Gia64-test-nat.c0000644000175000017500000003675013406556425014373 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file tests corner-cases of NaT-bit handling. */ #include #include #include #include #include #include "compiler.h" #ifdef HAVE_SYS_UC_ACCESS_H # include #endif #include "tdep-ia64/rse.h" #define NUM_RUNS 1024 //#define NUM_RUNS 1 #define MAX_CHECKS 1024 //#define MAX_CHECKS 2 #define MAX_VALUES_PER_FUNC 4 #define panic(args...) \ do { printf (args); ++nerrors; } while (0) typedef void save_func_t (void *funcs, unsigned long *vals); typedef unw_word_t *check_func_t (unw_cursor_t *c, unsigned long *vals); extern void flushrs (void); extern save_func_t save_static_to_stacked; static check_func_t check_static_to_stacked; extern save_func_t save_static_to_fr; static check_func_t check_static_to_fr; extern save_func_t save_static_to_br; static check_func_t check_static_to_br; extern save_func_t save_static_to_mem; static check_func_t check_static_to_mem; extern save_func_t save_static_to_mem2; static check_func_t check_static_to_mem2; extern save_func_t save_static_to_mem3; static check_func_t check_static_to_mem3; extern save_func_t save_static_to_mem4; static check_func_t check_static_to_mem4; extern save_func_t save_static_to_mem5; static check_func_t check_static_to_mem5; extern save_func_t save_static_to_scratch; static check_func_t check_static_to_scratch; extern save_func_t rotate_regs; static check_func_t check_rotate_regs; extern save_func_t save_pr; static check_func_t check_pr; static int verbose; static int nerrors; static int num_checks; static save_func_t *funcs[MAX_CHECKS + 1]; static check_func_t *checks[MAX_CHECKS]; static unw_word_t values[MAX_CHECKS*MAX_VALUES_PER_FUNC]; static struct { save_func_t *func; check_func_t *check; } all_funcs[] = { { save_static_to_stacked, check_static_to_stacked }, { save_static_to_fr, check_static_to_fr }, { save_static_to_br, check_static_to_br }, { save_static_to_mem, check_static_to_mem }, { save_static_to_mem2, check_static_to_mem2 }, { save_static_to_mem3, check_static_to_mem3 }, { save_static_to_mem4, check_static_to_mem4 }, { save_static_to_mem5, check_static_to_mem5 }, { save_static_to_scratch, check_static_to_scratch }, { save_pr, check_pr }, { rotate_regs, check_rotate_regs }, }; static unw_word_t random_word (void) { unw_word_t val = random (); if (sizeof (unw_word_t) > 4) val |= ((unw_word_t) random ()) << 32; return val; } void sighandler (int signal, void *siginfo, void *context) { unsigned long *bsp, *arg1; save_func_t **arg0; ucontext_t *uc = context; #if defined(__linux) { long sof; int sp; if (verbose) printf ("sighandler: signal %d sp=%p nat=%08lx pr=%lx\n", signal, &sp, uc->uc_mcontext.sc_nat, uc->uc_mcontext.sc_pr); sof = uc->uc_mcontext.sc_cfm & 0x7f; bsp = (unsigned long *) rse_skip_regs (uc->uc_mcontext.sc_ar_bsp, -sof); } #elif defined(__hpux) if (__uc_get_ar (uc, UNW_IA64_AR_BSP - UNW_IA64_AR, &bsp) != 0) { panic ("%s: reading of ar.bsp failed, errno=%d", __FUNCTION__, errno); return; } #endif flushrs (); arg0 = (save_func_t **) *bsp; bsp = (unsigned long *) rse_skip_regs ((uint64_t) bsp, 1); arg1 = (unsigned long *) *bsp; (*arg0[0]) (arg0 + 1, arg1); /* skip over the instruction which triggered sighandler() */ #if defined(__linux) ++uc->uc_mcontext.sc_ip; #elif defined(HAVE_SYS_UC_ACCESS_H) { unsigned long ip; if (__uc_get_ip (uc, &ip) != 0) { panic ("%s: reading of ip failed, errno=%d", __FUNCTION__, errno); return; } if (__uc_set_ip (uc, ip) != 0) { panic ("%s: writing of ip failed, errno=%d", __FUNCTION__, errno); return; } } #endif } static void enable_sighandler (void) { struct sigaction act; memset (&act, 0, sizeof (act)); act.sa_handler = (void (*)(int)) sighandler; act.sa_flags = SA_SIGINFO | SA_NODEFER; if (sigaction (SIGSEGV, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); } static void disable_sighandler (void) { struct sigaction act; memset (&act, 0, sizeof (act)); act.sa_handler = SIG_DFL; act.sa_flags = SA_SIGINFO | SA_NODEFER; if (sigaction (SIGSEGV, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); } static unw_word_t * check_static_to_stacked (unw_cursor_t *c, unw_word_t *vals) { unw_word_t r[4]; unw_word_t nat[4]; int i, ret; if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 4; for (i = 0; i < 4; ++i) if ((ret = unw_get_reg (c, UNW_IA64_GR + 4 + i, &r[i])) < 0) panic ("%s: failed to read register r%d, error=%d\n", __FUNCTION__, 4 + i, ret); for (i = 0; i < 4; ++i) if ((ret = unw_get_reg (c, UNW_IA64_NAT + 4 + i, &nat[i])) < 0) panic ("%s: failed to read register nat%d, error=%d\n", __FUNCTION__, 4 + i, ret); for (i = 0; i < 4; ++i) { if (verbose) printf (" r%d = %c%016lx (expected %c%016lx)\n", 4 + i, nat[i] ? '*' : ' ', r[i], (vals[i] & 1) ? '*' : ' ', vals[i]); if (vals[i] & 1) { if (!nat[i]) panic ("%s: r%d not a NaT!\n", __FUNCTION__, 4 + i); } else { if (nat[i]) panic ("%s: r%d a NaT!\n", __FUNCTION__, 4 + i); if (r[i] != vals[i]) panic ("%s: r%d=%lx instead of %lx!\n", __FUNCTION__, 4 + i, r[i], vals[i]); } } return vals; } static unw_word_t * check_static_to_fr (unw_cursor_t *c, unw_word_t *vals) { unw_word_t r4; unw_word_t nat4; int ret; if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 1; if ((ret = unw_get_reg (c, UNW_IA64_GR + 4, &r4)) < 0) panic ("%s: failed to read register r4, error=%d\n", __FUNCTION__, ret); if ((ret = unw_get_reg (c, UNW_IA64_NAT + 4, &nat4)) < 0) panic ("%s: failed to read register nat4, error=%d\n", __FUNCTION__, ret); if (verbose) printf (" r4 = %c%016lx (expected %c%016lx)\n", nat4 ? '*' : ' ', r4, (vals[0] & 1) ? '*' : ' ', vals[0]); if (vals[0] & 1) { if (!nat4) panic ("%s: r4 not a NaT!\n", __FUNCTION__); } else { if (nat4) panic ("%s: r4 a NaT!\n", __FUNCTION__); if (r4 != vals[0]) panic ("%s: r4=%lx instead of %lx!\n", __FUNCTION__, r4, vals[0]); } return vals; } static unw_word_t * check_static_to_br (unw_cursor_t *c, unw_word_t *vals) { unw_word_t r4, nat4; int ret; if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 1; if ((ret = unw_get_reg (c, UNW_IA64_GR + 4, &r4)) < 0) panic ("%s: failed to read register r4, error=%d\n", __FUNCTION__, ret); if ((ret = unw_get_reg (c, UNW_IA64_NAT + 4, &nat4)) < 0) panic ("%s: failed to read register nat4, error=%d\n", __FUNCTION__, ret); if (verbose) printf (" r4 = %c%016lx (expected %c%016lx)\n", nat4 ? '*' : ' ', r4, (vals[0] & 1) ? '*' : ' ', vals[0]); if (vals[0] & 1) { if (!nat4) panic ("%s: r4 not a NaT!\n", __FUNCTION__); } else { if (nat4) panic ("%s: r4 a NaT!\n", __FUNCTION__); if (r4 != vals[0]) panic ("%s: r4=%lx instead of %lx!\n", __FUNCTION__, r4, vals[0]); } return vals; } static unw_word_t * check_static_to_mem (unw_cursor_t *c, unw_word_t *vals) { unw_word_t r5, nat5; int ret; if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 1; if ((ret = unw_get_reg (c, UNW_IA64_GR + 5, &r5)) < 0) panic ("%s: failed to read register r5, error=%d\n", __FUNCTION__, ret); if ((ret = unw_get_reg (c, UNW_IA64_NAT + 5, &nat5)) < 0) panic ("%s: failed to read register nat5, error=%d\n", __FUNCTION__, ret); if (verbose) printf (" r5 = %c%016lx (expected %c%016lx)\n", nat5 ? '*' : ' ', r5, (vals[0] & 1) ? '*' : ' ', vals[0]); if (vals[0] & 1) { if (!nat5) panic ("%s: r5 not a NaT!\n", __FUNCTION__); } else { if (nat5) panic ("%s: r5 a NaT!\n", __FUNCTION__); if (r5 != vals[0]) panic ("%s: r5=%lx instead of %lx!\n", __FUNCTION__, r5, vals[0]); } return vals; } static unw_word_t * check_static_to_memN (unw_cursor_t *c, unw_word_t *vals, const char *func) { unw_word_t r6, nat6; int ret; if (verbose) printf (" %s()\n", func); vals -= 1; if ((ret = unw_get_reg (c, UNW_IA64_GR + 6, &r6)) < 0) panic ("%s: failed to read register r6, error=%d\n", __FUNCTION__, ret); if ((ret = unw_get_reg (c, UNW_IA64_NAT + 6, &nat6)) < 0) panic ("%s: failed to read register nat6, error=%d\n", __FUNCTION__, ret); if (verbose) printf (" r6 = %c%016lx (expected %c%016lx)\n", nat6 ? '*' : ' ', r6, (vals[0] & 1) ? '*' : ' ', vals[0]); if (vals[0] & 1) { if (!nat6) panic ("%s: r6 not a NaT!\n", __FUNCTION__); } else { if (nat6) panic ("%s: r6 a NaT!\n", __FUNCTION__); if (r6 != vals[0]) panic ("%s: r6=%lx instead of %lx!\n", __FUNCTION__, r6, vals[0]); } return vals; } static unw_word_t * check_static_to_mem2 (unw_cursor_t *c, unw_word_t *vals) { return check_static_to_memN (c, vals, __FUNCTION__); } static unw_word_t * check_static_to_mem3 (unw_cursor_t *c, unw_word_t *vals) { return check_static_to_memN (c, vals, __FUNCTION__); } static unw_word_t * check_static_to_mem4 (unw_cursor_t *c, unw_word_t *vals) { return check_static_to_memN (c, vals, __FUNCTION__); } static unw_word_t * check_static_to_mem5 (unw_cursor_t *c, unw_word_t *vals) { return check_static_to_memN (c, vals, __FUNCTION__); } static unw_word_t * check_static_to_scratch (unw_cursor_t *c, unw_word_t *vals) { unw_word_t r[4], nat[4], ec, expected; unw_fpreg_t f4; int i, ret; if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 4; while (!unw_is_signal_frame (c)) if ((ret = unw_step (c)) < 0) panic ("%s: unw_step (ret=%d): Failed to skip over signal handler\n", __FUNCTION__, ret); if ((ret = unw_step (c)) < 0) panic ("%s: unw_step (ret=%d): Failed to skip over signal handler\n", __FUNCTION__, ret); for (i = 0; i < 4; ++i) if ((ret = unw_get_reg (c, UNW_IA64_GR + 4 + i, &r[i])) < 0) panic ("%s: failed to read register r%d, error=%d\n", __FUNCTION__, 4 + i, ret); for (i = 0; i < 4; ++i) if ((ret = unw_get_reg (c, UNW_IA64_NAT + 4 + i, &nat[i])) < 0) panic ("%s: failed to read register nat%d, error=%d\n", __FUNCTION__, 4 + i, ret); for (i = 0; i < 4; ++i) { if (verbose) printf (" r%d = %c%016lx (expected %c%016lx)\n", 4 + i, nat[i] ? '*' : ' ', r[i], (vals[i] & 1) ? '*' : ' ', vals[i]); if (vals[i] & 1) { if (!nat[i]) panic ("%s: r%d not a NaT!\n", __FUNCTION__, 4 + i); } else { if (nat[i]) panic ("%s: r%d a NaT!\n", __FUNCTION__, 4 + i); if (r[i] != vals[i]) panic ("%s: r%d=%lx instead of %lx!\n", __FUNCTION__, 4 + i, r[i], vals[i]); } } if ((ret = unw_get_fpreg (c, UNW_IA64_FR + 4, &f4)) < 0) panic ("%s: failed to read f4, error=%d\n", __FUNCTION__, ret); /* These tests are little-endian specific: */ if (nat[0]) { if (f4.raw.bits[0] != 0 || f4.raw.bits[1] != 0x1fffe) panic ("%s: f4=%016lx.%016lx instead of NaTVal!\n", __FUNCTION__, f4.raw.bits[1], f4.raw.bits[0]); } else { if (f4.raw.bits[0] != r[0] || f4.raw.bits[1] != 0x1003e) panic ("%s: f4=%016lx.%016lx instead of %lx!\n", __FUNCTION__, f4.raw.bits[1], f4.raw.bits[0], r[0]); } if ((unw_get_reg (c, UNW_IA64_AR_EC, &ec)) < 0) panic ("%s: failed to read register ar.ec, error=%d\n", __FUNCTION__, ret); expected = vals[0] & 0x3f; if (ec != expected) panic ("%s: ar.ec=%016lx instead of %016lx!\n", __FUNCTION__, ec, expected); return vals; } static unw_word_t * check_pr (unw_cursor_t *c, unw_word_t *vals) { unw_word_t pr, expected; int ret; # define BIT(n) ((unw_word_t) 1 << (n)) # define DONTCARE (BIT( 6) | BIT( 7) | BIT( 8) | BIT( 9) | BIT(10) \ | BIT(11) | BIT(12) | BIT(13) | BIT(14) | BIT(15)) if (verbose) printf (" %s()\n", __FUNCTION__); vals -= 1; if ((ret = unw_get_reg (c, UNW_IA64_PR, &pr)) < 0) panic ("%s: failed to read register pr, error=%d\n", __FUNCTION__, ret); pr &= ~DONTCARE; expected = (vals[0] & ~DONTCARE) | 1; if (verbose) printf (" pr = %016lx (expected %016lx)\n", pr, expected); if (pr != expected) panic ("%s: pr=%lx instead of %lx!\n", __FUNCTION__, pr, expected); if ((ret = unw_set_reg (c, UNW_IA64_PR, vals[0])) < 0) panic ("%s: failed to write register pr, error=%d\n", __FUNCTION__, ret); if ((ret = unw_get_reg (c, UNW_IA64_PR, &pr)) < 0) panic ("%s: failed to read register pr, error=%d\n", __FUNCTION__, ret); if (pr != vals[0]) panic ("%s: secondary pr=%lx instead of %lx!\n", __FUNCTION__, pr, vals[0]); return vals; } static unw_word_t * check_rotate_regs (unw_cursor_t *c, unw_word_t *vals) { if (verbose) printf (" %s()\n", __FUNCTION__); return check_pr (c, vals - 1); } static void start_checks (void *funcs, unsigned long *vals) { unw_context_t uc; unw_cursor_t c; int i, ret; disable_sighandler (); unw_getcontext (&uc); if ((ret = unw_init_local (&c, &uc)) < 0) panic ("%s: unw_init_local (ret=%d)\n", __FUNCTION__, ret); if ((ret = unw_step (&c)) < 0) panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret); for (i = 0; i < num_checks; ++i) { vals = (*checks[num_checks - 1 - i]) (&c, vals); if ((ret = unw_step (&c)) < 0) panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret); } } static void run_check (int test) { int index, i; if (test == 1) /* Make first test always go the full depth... */ num_checks = MAX_CHECKS; else num_checks = (random () % MAX_CHECKS) + 1; for (i = 0; i < num_checks * MAX_VALUES_PER_FUNC; ++i) values[i] = random_word (); for (i = 0; i < num_checks; ++i) { if (test == 1) /* Make first test once go through each test... */ index = i % (int) ARRAY_SIZE (all_funcs); else index = random () % (int) ARRAY_SIZE (all_funcs); funcs[i] = all_funcs[index].func; checks[i] = all_funcs[index].check; } funcs[num_checks] = start_checks; enable_sighandler (); (*funcs[0]) (funcs + 1, values); } int main (int argc, char **argv) { int i; if (argc > 1) verbose = 1; for (i = 0; i < NUM_RUNS; ++i) { if (verbose) printf ("Run %d\n", i + 1); run_check (i + 1); } if (nerrors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); return 0; } libunwind-1.3.2/tests/ia64-test-setjmp.c0000644000175000017500000000754013406556425014777 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Test to verify that we can siglongjmp() into a frame whose register window is not backed by valid memory. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include #include #ifdef HAVE_IA64INTRIN_H # include #endif static sigjmp_buf env; static int return_level; static uintptr_t return_bsp; static int verbose; uintptr_t get_bsp (void) { #ifdef __INTEL_COMPILER return __getReg (_IA64_REG_AR_BSP); #else return (uintptr_t) __builtin_ia64_bsp (); #endif } static void sighandler (int signal, void *siginfo, void *sigcontext) { ucontext_t *uc = sigcontext; int local = 0; if (verbose) printf ("got signal, stack at %p, saved bsp=0x%lx\n", &local, uc->uc_mcontext.sc_ar_bsp); siglongjmp (env, 1); } /* Direct call of doit () at the end of doit () would get optimized by GCC to a branch. */ static void doit (int n); typedef void (*doit_type) (int); static volatile doit_type doit_pointer = doit; static void doit (int n) { uintptr_t guard_page_addr, bsp = get_bsp (); void *ret; if (n == 0) { size_t page_size = getpagesize (); guard_page_addr = (bsp + page_size - 1) & -page_size; if (verbose) printf ("guard_page_addr = 0x%lx\n", (unsigned long) guard_page_addr); ret = mmap ((void *) guard_page_addr, page_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (ret != (void *) guard_page_addr) { if (ret == MAP_FAILED) perror ("mmap"); else fprintf (stderr, "mmap() returned %p, expected 0x%lx\n", ret, guard_page_addr); exit (EXIT_FAILURE); } } if (sigsetjmp (env, 1)) { return_level = n; return_bsp = bsp; } else (*doit_pointer) (n + 1); } int main (int argc, char **argv) { struct sigaction sa; stack_t ss; if (argc > 1) verbose = 1; ss.ss_sp = malloc (2 * SIGSTKSZ); if (ss.ss_sp == NULL) { puts ("failed to allocate alternate stack"); return EXIT_FAILURE; } ss.ss_flags = 0; ss.ss_size = 2 * SIGSTKSZ; if (sigaltstack (&ss, NULL) < 0) { printf ("sigaltstack failed: %s\n", strerror (errno)); return EXIT_FAILURE; } sa.sa_handler = (void (*) (int)) sighandler; sigemptyset (&sa.sa_mask); sa.sa_flags = SA_SIGINFO | SA_ONSTACK; if (sigaction (SIGSEGV, &sa, NULL) < 0) { printf ("sigaction failed: %s\n", strerror (errno)); exit (1); } doit (0); if (verbose) { printf ("sigsetjmp returned at level %d bsp=0x%lx\n", return_level, return_bsp); puts ("Test succeeded!"); } return EXIT_SUCCESS; } libunwind-1.3.2/tests/Lia64-test-stack.c0000644000175000017500000000016113406556425014706 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gia64-test-stack.c" #endif libunwind-1.3.2/tests/Ltest-init-local-signal.c0000644000175000017500000000244213406755365016356 00000000000000#include "libunwind.h" #include #include #include #include #include #include #include int stepper(unw_cursor_t* c) { int steps = 0; int ret = 1; while (ret) { ret = unw_step(c); if (!ret) { break; } steps++; } return steps; } /* Verify that we can step from both ucontext, and from getcontext() * roughly the same. This tests that the IP from ucontext is used * correctly (see impl of unw_init_local2) */ void handler(int num, siginfo_t* info, void* ucontext) { unw_cursor_t c; unw_context_t context; unw_getcontext(&context); int ret = unw_init_local2(&c, ucontext, UNW_INIT_SIGNAL_FRAME); assert(!ret); int ucontext_steps = stepper(&c); ret = unw_init_local(&c, &context); (void)ret; assert(!ret); int getcontext_steps = stepper(&c); if (ucontext_steps == getcontext_steps - 2) { exit(0); } printf("unw_getcontext steps was %i, ucontext steps was %i, should be %i\n", getcontext_steps, ucontext_steps, getcontext_steps - 2); exit(-1); } int foo(volatile int* f); int main(){ struct sigaction a; memset(&a, 0, sizeof(struct sigaction)); a.sa_sigaction = &handler; a.sa_flags = SA_SIGINFO; sigaction(SIGSEGV, &a, NULL); foo(NULL); return 0; } libunwind-1.3.2/tests/test-proc-info.c0000644000175000017500000001113313406556425014621 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This test program checks whether proc_info lookup failures are cached. They must NOT be cached because it could otherwise turn temporary failures into permanent ones. Furthermore, we allow apps to return -UNW_ESTOPUNWIND to terminate unwinding (though this feature is deprecated and dynamic unwind info should be used instead). */ #include #include #include #include "compiler.h" int errors; #define panic(args...) \ { ++errors; fprintf (stderr, args); return -1; } static int find_proc_info (unw_addr_space_t as UNUSED, unw_word_t ip UNUSED, unw_proc_info_t *pip UNUSED, int need_unwind_info UNUSED, void *arg UNUSED) { return -UNW_ESTOPUNWIND; } static int access_mem (unw_addr_space_t as UNUSED, unw_word_t addr UNUSED, unw_word_t *valp, int write, void *arg UNUSED) { if (!write) *valp = 0; return 0; } static int access_reg (unw_addr_space_t as UNUSED, unw_regnum_t regnum UNUSED, unw_word_t *valp, int write, void *arg UNUSED) { if (!write) *valp = 32; return 0; } static int access_fpreg (unw_addr_space_t as UNUSED, unw_regnum_t regnum UNUSED, unw_fpreg_t *valp, int write, void *arg UNUSED) { if (!write) memset (valp, 0, sizeof (*valp)); return 0; } static int get_dyn_info_list_addr (unw_addr_space_t as UNUSED, unw_word_t *dilap UNUSED, void *arg UNUSED) { return -UNW_ENOINFO; } static void put_unwind_info (unw_addr_space_t as UNUSED, unw_proc_info_t *pi UNUSED, void *arg UNUSED) { ++errors; fprintf (stderr, "%s() got called!\n", __FUNCTION__); } static int resume (unw_addr_space_t as UNUSED, unw_cursor_t *reg UNUSED, void *arg UNUSED) { panic ("%s() got called!\n", __FUNCTION__); } static int get_proc_name (unw_addr_space_t as UNUSED, unw_word_t ip UNUSED, char *buf UNUSED, size_t buf_len UNUSED, unw_word_t *offp UNUSED, void *arg UNUSED) { panic ("%s() got called!\n", __FUNCTION__); } int main (int argc, char **argv) { unw_accessors_t acc; unw_addr_space_t as; int ret, verbose = 0; unw_cursor_t c; if (argc > 1 && strcmp (argv[1], "-v") == 0) verbose = 1; memset (&acc, 0, sizeof (acc)); acc.find_proc_info = find_proc_info; acc.put_unwind_info = put_unwind_info; acc.get_dyn_info_list_addr = get_dyn_info_list_addr; acc.access_mem = access_mem; acc.access_reg = access_reg; acc.access_fpreg = access_fpreg; acc.resume = resume; acc.get_proc_name = get_proc_name; as = unw_create_addr_space (&acc, 0); if (!as) panic ("unw_create_addr_space() failed\n"); unw_set_caching_policy (as, UNW_CACHE_GLOBAL); ret = unw_init_remote (&c, as, NULL); if (ret < 0) panic ("unw_init_remote() returned %d instead of 0\n", ret); ret = unw_step (&c); if (ret != -UNW_ESTOPUNWIND) panic ("First call to unw_step() returned %d instead of %d\n", ret, -UNW_ESTOPUNWIND); ret = unw_step (&c); if (ret != -UNW_ESTOPUNWIND) panic ("Second call to unw_step() returned %d instead of %d\n", ret, -UNW_ESTOPUNWIND); unw_destroy_addr_space (as); if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/Gtest-dyn1.c0000644000175000017500000001333113406556425013711 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2002-2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file tests dynamic code-generation via function-cloning. */ #include "flush-cache.h" #include "compiler.h" #include #include #include #include #include #include #include #if UNW_TARGET_ARM #define MAX_FUNC_SIZE 96 /* FIXME: arch/compiler dependent */ #else #define MAX_FUNC_SIZE 2048 /* max. size of cloned function */ #endif #define panic(args...) \ { fprintf (stderr, args); exit (-1); } typedef void (*template_t) (int, void (*)(), int (*)(const char *, ...), const char *, const char **); int verbose; static const char *strarr[] = { "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix", "x", NULL }; #ifdef __ia64__ struct fdesc { long code; long gp; }; # define get_fdesc(fdesc,func) (fdesc = *(struct fdesc *) &(func)) # define get_funcp(fdesc) ((template_t) &(fdesc)) # define get_gp(fdesc) ((fdesc).gp) #elif __arm__ struct fdesc { long code; long is_thumb; }; /* Workaround GCC bug: https://bugs.launchpad.net/gcc-linaro/+bug/721531 */ # define get_fdesc(fdesc,func) ({long tmp = (long) &(func); \ (fdesc).code = (long) &(func) & ~0x1; \ (fdesc).is_thumb = tmp & 0x1;}) /*# define get_fdesc(fdesc,func) ({(fdesc).code = (long) &(func) & ~0x1; \ (fdesc).is_thumb = (long) &(func) & 0x1;})*/ # define get_funcp(fdesc) ((template_t) ((fdesc).code | (fdesc).is_thumb)) # define get_gp(fdesc) (0) #else struct fdesc { long code; }; # define get_fdesc(fdesc,func) (fdesc.code = (long) &(func)) # define get_funcp(fdesc) ((template_t) (fdesc).code) # define get_gp(fdesc) (0) #endif void template (int i, template_t self, int (*printer)(const char *, ...), const char *fmt, const char **arr) { (*printer) (fmt, arr[11 - i][0], arr[11 - i] + 1); if (i > 0) (*self) (i - 1, self, printer, fmt, arr); } static void sighandler (int signal) { unw_cursor_t cursor; char name[128], off[32]; unw_word_t ip, offset; unw_context_t uc; int count; if (verbose) printf ("caught signal %d\n", signal); unw_getcontext (&uc); unw_init_local (&cursor, &uc); count = 0; while (!unw_is_signal_frame (&cursor)) { if (unw_step (&cursor) < 0) panic ("failed to find signal frame!\n"); if (count++ > 20) { panic ("Too many steps to the signal frame (%d)\n", count); break; } } unw_step (&cursor); count = 0; do { unw_get_reg (&cursor, UNW_REG_IP, &ip); name[0] = '\0'; off[0] = '\0'; if (unw_get_proc_name (&cursor, name, sizeof (name), &offset) == 0 && offset > 0) snprintf (off, sizeof (off), "+0x%lx", (long) offset); if (verbose) printf ("ip = %lx <%s%s>\n", (long) ip, name, off); ++count; if (count > 20) { panic ("Too many steps (%d)\n", count); break; } } while (unw_step (&cursor) > 0); if (count != 13) panic ("FAILURE: expected 13, not %d frames below signal frame\n", count); if (verbose) printf ("SUCCESS\n"); exit (0); } int dev_null (const char *format UNUSED, ...) { return 0; } int main (int argc, char *argv[] UNUSED) { unw_dyn_region_info_t *region; unw_dyn_info_t di; struct fdesc fdesc; template_t funcp; void *mem; if (argc > 1) ++verbose; mem = malloc (getpagesize ()); get_fdesc (fdesc, template); if (verbose) printf ("old code @ %p, new code @ %p\n", (void *) fdesc.code, mem); memcpy (mem, (void *) fdesc.code, MAX_FUNC_SIZE); mprotect ((void *) ((long) mem & ~(getpagesize () - 1)), 2*getpagesize(), PROT_READ | PROT_WRITE | PROT_EXEC); flush_cache (mem, MAX_FUNC_SIZE); signal (SIGSEGV, sighandler); /* register the new function: */ region = alloca (_U_dyn_region_info_size (2)); region->next = NULL; region->insn_count = 3 * (MAX_FUNC_SIZE / 16); region->op_count = 2; _U_dyn_op_alias (®ion->op[0], 0, -1, fdesc.code); _U_dyn_op_stop (®ion->op[1]); memset (&di, 0, sizeof (di)); di.start_ip = (long) mem; di.end_ip = (long) mem + 16*region->insn_count/3; di.gp = get_gp (fdesc); di.format = UNW_INFO_FORMAT_DYNAMIC; di.u.pi.name_ptr = (unw_word_t) "copy_of_template"; di.u.pi.regions = region; _U_dyn_register (&di); /* call new function: */ fdesc.code = (long) mem; funcp = get_funcp (fdesc); if (verbose) (*funcp) (10, funcp, printf, "iteration %c%s\n", strarr); else (*funcp) (10, funcp, dev_null, "iteration %c%s\n", strarr); _U_dyn_cancel (&di); return -1; } libunwind-1.3.2/tests/ia64-test-nat-asm.S0000644000175000017500000002446013406556425015015 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004-2005 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .text #define CALL_NEXT_PTR(gp_save_reg, arg0, arg1) \ ld8 r2 = [arg0], 8;; /* read the next function pointer */ \ ld8 r3 = [r2], 8;; /* read the function's entry-point */ \ ld8 r2 = [r2];; /* read the function's gp */ \ mov b6 = r3; \ mov gp_save_reg = gp; \ mov out0 = arg0; \ mov out1 = arg1; \ mov gp = r2; \ br.call.sptk.many rp = b6;; \ mov gp = gp_save_reg #define CALL_NEXT(gp_save_reg) CALL_NEXT_PTR(gp_save_reg, in0, in1) #define LOAD_VAL(reg) \ ld8 reg = [in1], 8;; \ tbit.nz p15, p0 = reg, 0;; \ (p15) ld8.s reg = [r0] .global flushrs .proc flushrs flushrs: flushrs;; br.ret.sptk.many rp .endp flushrs /* Save r4-r7 into stacked registers, load them up with the values passed via the pointer in in1 and then call the function passed via the pointer in in0. */ .global save_static_to_stacked .proc save_static_to_stacked save_static_to_stacked: .prologue .regstk 2, 7, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 7, 2, 0 .save rp, loc1 mov loc1 = rp .spillreg r4, loc2 mov loc2 = r4 .spillreg r5, loc3 mov loc3 = r5 .spillreg r6, loc4 mov loc4 = r6 .spillreg r7, loc5 mov loc5 = r7 .body LOAD_VAL(r4) LOAD_VAL(r5) LOAD_VAL(r6) LOAD_VAL(r7) CALL_NEXT(loc6) mov r4 = loc2 mov r5 = loc3 mov r6 = loc4 mov r7 = loc5 mov ar.pfs = loc0 mov rp = loc1 br.ret.sptk.many rp .endp save_static_to_stacked /* Save f2 to the memory stack, save r4 to f2, then load r4 with the value passed via in1 and call the function passed via in0. */ .global save_static_to_fr .proc save_static_to_fr save_static_to_fr: .prologue .regstk 2, 3, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 3, 2, 0 .save rp, loc1 mov loc1 = rp .fframe 16 .spillpsp f2, 0 stf.spill [sp] = f2, -16 .spillreg r4, f2 setf.sig f2 = r4 .body ld8 r4 = [in1], 8;; tbit.nz p6, p0 = r4, 0;; (p6) ld8.s r4 = [r0] CALL_NEXT(loc2) getf.sig r4 = f2 // restore r4 .restore sp add sp = 16, sp;; ldf.fill f2 = [sp] // restore r2 mov ar.pfs = loc0 mov rp = loc1 br.ret.sptk.many rp .endp save_static_to_fr /* If r4 is not a NaT, save b3 to a stacked register and then save r4 in b3. The non-NaTness of r4 is saved in p1. */ .global save_static_to_br .proc save_static_to_br save_static_to_br: .prologue .regstk 2, 6, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 6, 2, 0 .save rp, loc1 mov loc1 = rp .save pr, loc2 mov loc2 = pr // save predicates .spillreg b3, loc3 mov loc3 = b3 tnat.z p1, p2 = r4;; .spillreg.p p1, r4, b3 (p1) mov b3 = r4 .spillreg.p p2, r4, loc4 (p2) mov loc4 = r4 .body LOAD_VAL(r4) CALL_NEXT(loc5) .pred.rel.mutex p1, p2 (p1) mov r4 = b3 // restore r4 (p2) mov r4 = loc4 mov ar.pfs = loc0 mov rp = loc1 mov pr = loc2, -1 mov b3 = loc3 // restore b3 br.ret.sptk.many rp .endp save_static_to_br /* Spill r4 into memory and then save r5 in r4. */ .global save_static_to_mem .proc save_static_to_mem save_static_to_mem: .prologue .regstk 2, 4, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 4, 2, 0 .save rp, loc1 mov loc1 = rp .save ar.unat, loc2 mov loc2 = ar.unat .fframe 16 .spillpsp r4, 0 st8.spill [sp] = r4, -16 .spillreg r5, r4 mov r4 = r5 .body LOAD_VAL(r5) CALL_NEXT(loc3) mov r5 = r4 // restore r5 .restore sp add sp = 16, sp;; ld8.fill r4 = [sp] // restore r4 mov ar.pfs = loc0 mov rp = loc1 mov ar.unat = loc2 // restore ar.unat br.ret.sptk.many rp .endp save_static_to_mem /* Spill r6 into memory and save primary ar.unat in a register. */ .global save_static_to_mem2 .proc save_static_to_mem2 save_static_to_mem2: .prologue .regstk 2, 5, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 5, 2, 0 .save rp, loc1 mov loc1 = rp .save ar.unat, loc2 mov loc2 = ar.unat .fframe 16 .spillpsp r6, 0 st8.spill [sp] = r6, -16;; .save @priunat, loc3 mov loc3 = ar.unat mov ar.unat = 0 // trash ar.unat .body LOAD_VAL(r6) CALL_NEXT(loc4) mov ar.unat = loc3 // restore primary UNaT .restore sp add sp = 16, sp;; ld8.fill r6 = [sp] // restore r6 mov ar.pfs = loc0 mov rp = loc1 mov ar.unat = loc2 // restore ar.unat br.ret.sptk.many rp .endp save_static_to_mem2 /* Spill r6 into memory and save primary ar.unat in memory. */ .global save_static_to_mem3 .proc save_static_to_mem3 save_static_to_mem3: .prologue .regstk 2, 5, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 5, 2, 0 .save rp, loc1 mov loc1 = rp .save ar.unat, loc2 mov loc2 = ar.unat add r2 = 8, sp .fframe 16 .spillpsp r6, 0 st8.spill [sp] = r6, -16;; mov r3 = ar.unat;; .savepsp @priunat, -8 st8 [r2] = r3 mov ar.unat = 0 // trash ar.unat .body LOAD_VAL(r6) CALL_NEXT(loc4) add r2 = 24, sp;; ld8 r3 = [r2];; mov ar.unat = r3 // restore primary UNaT .restore sp add sp = 16, sp;; ld8.fill r6 = [sp] // restore r6 mov ar.pfs = loc0 mov rp = loc1 mov ar.unat = loc2 // restore ar.unat br.ret.sptk.many rp .endp save_static_to_mem3 /* Spill r6 into memory and save primary ar.unat in register, then in memory. */ .global save_static_to_mem4 .proc save_static_to_mem4 save_static_to_mem4: .prologue .regstk 2, 5, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 5, 2, 0 .save rp, loc1 mov loc1 = rp .save ar.unat, loc2 mov loc2 = ar.unat add r2 = 8, sp .fframe 16 .spillpsp r6, 0 st8.spill [sp] = r6, -16;; .save @priunat, r3 mov r3 = ar.unat;; mov ar.unat = 0 // trash ar.unat .savepsp @priunat, -8 st8 [r2] = r3 mov r3 = r0 // trash register pri UNaT location .body LOAD_VAL(r6) CALL_NEXT(loc4) add r2 = 24, sp;; ld8 r3 = [r2];; mov ar.unat = r3 // restore primary UNaT .restore sp add sp = 16, sp;; ld8.fill r6 = [sp] // restore r6 mov ar.pfs = loc0 mov rp = loc1 mov ar.unat = loc2 // restore ar.unat br.ret.sptk.many rp .endp save_static_to_mem4 /* Spill r6 into memory and save primary ar.unat in register, then in memory. */ .global save_static_to_mem5 .proc save_static_to_mem5 save_static_to_mem5: .prologue .regstk 2, 5, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 5, 2, 0 .save rp, loc1 mov loc1 = rp .save ar.unat, loc2 mov loc2 = ar.unat add r2 = 8, sp .fframe 16 .spillpsp r6, 0 st8.spill [sp] = r6, -16;; mov r3 = ar.unat;; mov ar.unat = 0 // trash ar.unat .savepsp @priunat, -8 st8 [r2] = r3 .save @priunat, loc3 mov loc3 = r3 st8 [r2] = r0 // trash memory pri UNaT location .body LOAD_VAL(r6) CALL_NEXT(loc4) add r2 = 24, sp;; ld8 r3 = [r2];; mov ar.unat = loc3 // restore primary UNaT .restore sp add sp = 16, sp;; ld8.fill r6 = [sp] // restore r6 mov ar.pfs = loc0 mov rp = loc1 mov ar.unat = loc2 // restore ar.unat br.ret.sptk.many rp .endp save_static_to_mem5 /* Save r4-r7 to various scratch registers, then trigger a segfault. */ .global save_static_to_scratch .proc save_static_to_scratch save_static_to_scratch: .prologue .spillreg r4, r16 mov r16 = r4 // save r4 in r16 tnat.nz p6, p7 = r5;; .spillreg.p p6, r5, f31 (p6) setf.sig f31 = r5 // save r5 in f31 if it's a NaT .spillreg.p p7, r5, b6 (p7) mov b6 = r5 // in b6 if it not .spillreg r6, f32 setf.sig f32 = r6 // save r6 in f32 (fph partition) .spillsp r7, 0 st8.spill [sp] = r7 // save r7 in the scratch stack space .spillreg f4, f6 mov f6 = f4;; .body ld8 r2 = [in1] ;; mov ar.ec = r2 LOAD_VAL(r4) LOAD_VAL(r5) LOAD_VAL(r6) LOAD_VAL(r7) setf.sig f4 = r4 /* Now force a SIGSEGV. Make sure the ld8 is at the beginning of a bundle, so the signal-handler can skip over it simply by incrementing the IP. */ { .mmi ld8 r2 = [r0] nop.m 0 nop.i 0 ;; } mov f4 = f6 mov r4 = r16 .pred.rel.mutex p6, p7 (p6) getf.sig r5 = f31 (p7) mov r5 = b6 getf.sig r6 = f32 ld8.fill r7 = [sp] br.ret.sptk.many rp .endp save_static_to_scratch /* Rotate registers a bit in a vain attempt to sow some confusion. Care must be taken not to write any rotating general register after rotation, because we keep the preserved state there... */ .global rotate_regs .proc rotate_regs rotate_regs: .prologue .regstk 2, 14, 2, 16 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 14, 2, 16 .save rp, loc1 mov loc1 = rp .save pr, loc2 mov loc2 = pr .save ar.lc, loc3 mov loc3 = ar.lc .spillreg r4, loc4 mov loc4 = r4 ld8 r2 = [in1], 8;; mov pr = r2, -1 ld8 r2 = [in1], 8;; mov r8 = in0 mov r9 = in1 and r2 = 127, r2;; mov ar.ec = 0 mov ar.lc = r2;; // use p6 to preserve p63 as it gets rotated into p16: (p16) cmp.eq.unc p6,p0 = r0,r0;; 1: (p6) cmp.eq.unc p16,p0 = r0,r0 (p63) cmp.eq.unc p6,p0 = r0,r0 br.ctop.dptk.few 1b;; (p6) cmp.eq.unc p63,p0 = r0,r0 CALL_NEXT_PTR(r4, r8, r9) clrrrb mov ar.pfs = loc0 mov rp = loc1 mov pr = loc2, -1 mov ar.lc = loc3 mov r4 = loc4 br.ret.sptk.many rp .endp rotate_regs .global save_pr .proc save_pr save_pr: .prologue .regstk 2, 4, 2, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 2, 4, 2, 0 .save rp, loc1 mov loc1 = rp .save pr, loc2 mov loc2 = pr ld8 r2 = [in1], 8;; mov pr = r2, -1 CALL_NEXT(loc3) mov ar.pfs = loc0 mov rp = loc1 mov pr = loc2, -1 br.ret.sptk.many rp .endp save_pr #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/tests/test-ptrace-misc.c0000644000175000017500000000740613406556425015144 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "compiler.h" #include #include #include #include #include #include pid_t self; int global[64]; int func (int arg) { int sum = 0, i, max, arr[1024]; if (arg == 0) { sum = global[2]; sum += sum + sum * getppid (); return sum; } else { max = arg; if (max >= 64) max = 64; for (i = 0; i < max; ++i) arr[i] = func (arg - 1); for (i = 0; i < max; ++i) if (arr[i] > 16) sum += arr[i]; else sum -= arr[i]; } return sum; } int bar (int v) { extern long f (long); int arr[1] = { v }; uintptr_t r; /* This is a vain attempt to use up lots of registers to force the frame-chain info to be saved on the memory stack on ia64. It happens to work with gcc v3.3.4 and gcc v3.4.1 but perhaps not with any other compiler. */ r = (uintptr_t) malloc(f (arr[0]) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + f (v)) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ))))))))))))))))))))))))))))))))))))))))))))))))))))))); if (r < 2) v = r; kill (self, SIGUSR1); /* tell test-ptrace to start single-stepping */ v = func (v); kill (self, SIGUSR2); /* tell test-ptrace to stop single-stepping */ return v; } int main (int argc, char **argv UNUSED) { int val = argc; signal (SIGUSR1, SIG_IGN); signal (SIGUSR2, SIG_IGN); self = getpid (); printf ("sum = %d\n", bar (val)); return 0; } libunwind-1.3.2/tests/Ltest-varargs.c0000644000175000017500000000241313406556425014507 00000000000000#define UNW_LOCAL_ONLY #include #include "compiler.h" #include #include #include #include int ok; int verbose; #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 3) void a (int, ...) __attribute__((optimize(0))); void b (void) __attribute__((optimize(0))); void c (void) __attribute__((optimize(0))); #endif void NOINLINE b (void) { void *v[20]; int i, n; n = unw_backtrace(v, 20); /* Check that the number of addresses given by unw_backtrace() looks * reasonable. If the compiler inlined everything, then this check will also * break. */ if (n >= 7) ok = 1; if (verbose) for (i = 0; i < n; ++i) printf ("[%d] %p\n", i, v[i]); } void NOINLINE c (void) { b (); } void NOINLINE a (int d, ...) { switch (d) { case 5: a (4, 2,4); break; case 4: a (3, 1,3,5); break; case 3: a (2, 11, 13, 17, 23); break; case 2: a (1); break; case 1: c (); } } int main (int argc, char **argv UNUSED) { if (argc > 1) verbose = 1; a (5, 3, 4, 5, 6); if (!ok) { fprintf (stderr, "FAILURE: expected deeper backtrace.\n"); return 1; } if (verbose) printf ("SUCCESS.\n"); return 0; } libunwind-1.3.2/tests/Ltest-resume-sig.c0000644000175000017500000000016113406556425015120 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-resume-sig.c" #endif libunwind-1.3.2/tests/Lia64-test-readonly.c0000644000175000017500000000016413406556425015421 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gia64-test-readonly.c" #endif libunwind-1.3.2/tests/Makefile.am0000644000175000017500000001753513640667603013655 00000000000000AM_CPPFLAGS = -I$(top_srcdir)/include EXTRA_DIST = run-ia64-test-dyn1 run-ptrace-mapper run-ptrace-misc \ run-check-namespace run-coredump-unwind \ run-coredump-unwind-mdi check-namespace.sh.in \ Gtest-nomalloc.c MAINTAINERCLEANFILES = Makefile.in noinst_PROGRAMS_arch = noinst_PROGRAMS_cdep = noinst_PROGRAMS_common = check_PROGRAMS_arch = check_PROGRAMS_cdep = check_PROGRAMS_common = test-proc-info test-static-link \ test-strerror check_SCRIPTS_arch = check_SCRIPTS_cdep = check_SCRIPTS_common = run-check-namespace if REMOTE_ONLY perf: else LIBUNWIND_local = $(top_builddir)/src/libunwind.la if ARCH_IA64 noinst_PROGRAMS_arch += ia64-test-dyn1 check_SCRIPTS_arch += run-ia64-test-dyn1 check_PROGRAMS_arch += Gia64-test-stack Lia64-test-stack \ Gia64-test-nat Lia64-test-nat \ Gia64-test-rbs Lia64-test-rbs \ Gia64-test-readonly Lia64-test-readonly \ ia64-test-setjmp ia64-test-sig else #!ARCH_IA64 if ARCH_PPC64 if USE_ALTIVEC noinst_PROGRAMS_arch += ppc64-test-altivec endif #USE_ALTIVEC endif #ARCH_PPC64 endif #!ARCH_IA64 check_PROGRAMS_cdep += Gtest-bt Ltest-bt Gtest-exc Ltest-exc \ Gtest-init Ltest-init \ Gtest-concurrent Ltest-concurrent \ Gtest-resume-sig Ltest-resume-sig \ Gtest-resume-sig-rt Ltest-resume-sig-rt \ Gtest-trace Ltest-trace \ Ltest-init-local-signal \ Ltest-mem-validate \ test-async-sig test-flush-cache test-init-remote \ test-mem test-reg-state Ltest-varargs \ Ltest-nomalloc Ltest-nocalloc Lrs-race noinst_PROGRAMS_cdep += forker Gperf-simple Lperf-simple \ Gperf-trace Lperf-trace if BUILD_PTRACE check_SCRIPTS_cdep += run-ptrace-mapper run-ptrace-misc check_PROGRAMS_cdep += test-ptrace noinst_PROGRAMS_cdep += mapper test-ptrace-misc endif if BUILD_SETJMP check_PROGRAMS_cdep += test-setjmp endif if SUPPORT_CXX_EXCEPTIONS check_PROGRAMS_cdep += Ltest-cxx-exceptions endif if OS_LINUX if BUILD_COREDUMP check_SCRIPTS_cdep += run-coredump-unwind noinst_PROGRAMS_cdep += crasher test-coredump-unwind if HAVE_LZMA check_SCRIPTS_cdep += run-coredump-unwind-mdi endif # HAVE_LZMA endif # BUILD_COREDUMP endif # OS_LINUX perf: perf-startup Gperf-simple Lperf-simple Lperf-trace @echo "########## Basic performance of generic libunwind:" @./Gperf-simple @echo "########## Basic performance of local-only libunwind:" @./Lperf-simple @echo "########## Performance of fast unwind:" @./Lperf-trace @echo "########## Startup overhead:" @$(srcdir)/perf-startup @arch@ endif check_PROGRAMS = $(check_PROGRAMS_common) $(check_PROGRAMS_cdep) \ $(check_PROGRAMS_arch) check_SCRIPTS = $(check_SCRIPTS_common) $(check_SCRIPTS_cdep) \ $(check_SCRIPTS_arch) TESTS = $(check_PROGRAMS) $(check_SCRIPTS) XFAIL_TESTS = if ARCH_IA64 check_PROGRAMS_cdep += Gtest-dyn1 Ltest-dyn1 endif # Use if arch defines but does not support PTRACE_SINGLESTEP # ptrace request used in the tests. XFAIL_TESTS_PTRACE_SINGLESTEP = run-ptrace-mapper run-ptrace-misc if ARCH_MIPS XFAIL_TESTS += $(XFAIL_TESTS_PTRACE_SINGLESTEP) endif if ARCH_ARM # ARM Linux kernel >=2.6.39 removed PTRACE_SINGLESTEP emulation XFAIL_TESTS += $(XFAIL_TESTS_PTRACE_SINGLESTEP) endif # This is meant for multilib binaries, -m32. # ptrace gives EBADREG when testing, # but generally everything else works. if NO_PTRACE_TEST XFAIL_TESTS += run-ptrace-mapper test-ptrace Ltest-init-local-signal endif noinst_PROGRAMS = $(noinst_PROGRAMS_common) $(noinst_PROGRAMS_cdep) \ $(noinst_PROGRAMS_arch) Lia64_test_readonly_SOURCES = Lia64-test-readonly.c ia64-test-readonly-asm.S Gia64_test_readonly_SOURCES = Gia64-test-readonly.c ia64-test-readonly-asm.S Lia64_test_stack_SOURCES = Lia64-test-stack.c ia64-test-stack-asm.S \ ia64-test-stack.h Gia64_test_stack_SOURCES = Gia64-test-stack.c ia64-test-stack-asm.S \ ia64-test-stack.h Lia64_test_rbs_SOURCES = Lia64-test-rbs.c ia64-test-rbs-asm.S ia64-test-rbs.h Gia64_test_rbs_SOURCES = Gia64-test-rbs.c ia64-test-rbs-asm.S ia64-test-rbs.h Lia64_test_nat_SOURCES = Lia64-test-nat.c ia64-test-nat-asm.S Gia64_test_nat_SOURCES = Gia64-test-nat.c ia64-test-nat-asm.S ia64_test_dyn1_SOURCES = ia64-test-dyn1.c ia64-dyn-asm.S flush-cache.S \ flush-cache.h ppc64_test_altivec_SOURCES = ppc64-test-altivec.c ppc64-test-altivec-utils.c Gtest_init_SOURCES = Gtest-init.cxx Ltest_init_SOURCES = Ltest-init.cxx Ltest_cxx_exceptions_SOURCES = Ltest-cxx-exceptions.cxx Ltest_init_local_signal_SOURCES = Ltest-init-local-signal.c Ltest-init-local-signal-lib.c Gtest_dyn1_SOURCES = Gtest-dyn1.c flush-cache.S flush-cache.h Ltest_dyn1_SOURCES = Ltest-dyn1.c flush-cache.S flush-cache.h test_static_link_SOURCES = test-static-link-loc.c test-static-link-gen.c test_static_link_LDFLAGS = -static forker_LDFLAGS = -static Gtest_bt_SOURCES = Gtest-bt.c ident.c Ltest_bt_SOURCES = Ltest-bt.c ident.c test_ptrace_misc_SOURCES = test-ptrace-misc.c ident.c Ltest_nomalloc_SOURCES = Ltest-nomalloc.c Ltest_nocalloc_SOURCES = Ltest-nocalloc.c Gtest_trace_SOURCES = Gtest-trace.c ident.c Ltest_trace_SOURCES = Ltest-trace.c ident.c Ltest_mem_validate_SOURCES = Ltest-mem-validate.c LIBUNWIND = $(top_builddir)/src/libunwind-$(arch).la LIBUNWIND_ptrace = $(top_builddir)/src/libunwind-ptrace.la LIBUNWIND_coredump = $(top_builddir)/src/libunwind-coredump.la if USE_ELF32 LIBUNWIND_ELF = $(top_builddir)/src/libunwind-elf32.la endif if USE_ELF64 LIBUNWIND_ELF = $(top_builddir)/src/libunwind-elf64.la endif if USE_ELFXX LIBUNWIND_ELF = $(top_builddir)/src/libunwind-elfxx.la endif LIBUNWIND_setjmp = $(top_builddir)/src/libunwind-setjmp.la \ $(LIBUNWIND_ELF) $(LIBUNWIND) test_async_sig_LDADD = $(LIBUNWIND_local) -lpthread test_flush_cache_LDADD = $(LIBUNWIND_local) test_init_remote_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) test_mem_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) test_reg_state_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) test_ptrace_LDADD = $(LIBUNWIND_ptrace) $(LIBUNWIND) test_proc_info_LDADD = $(LIBUNWIND) test_static_link_LDADD = $(LIBUNWIND) test_strerror_LDADD = $(LIBUNWIND) Lrs_race_LDADD = $(LIBUNWIND_local) -lpthread Ltest_varargs_LDADD = $(LIBUNWIND_local) Ltest_init_local_signal_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_bt_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_concurrent_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) -lpthread Gtest_dyn1_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_exc_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_init_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) @BACKTRACELIB@ Gtest_resume_sig_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_resume_sig_rt_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gperf_simple_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gtest_trace_LDADD=$(LIBUNWIND) $(LIBUNWIND_local) Gperf_trace_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Ltest_bt_LDADD = $(LIBUNWIND_local) Ltest_concurrent_LDADD = $(LIBUNWIND_local) -lpthread Ltest_dyn1_LDADD = $(LIBUNWIND_local) Ltest_exc_LDADD = $(LIBUNWIND_local) Ltest_init_LDADD = $(LIBUNWIND_local) Ltest_nomalloc_LDADD = $(LIBUNWIND_local) @DLLIB@ Ltest_nocalloc_LDADD = $(LIBUNWIND_local) @DLLIB@ -lpthread Ltest_resume_sig_LDADD = $(LIBUNWIND_local) Ltest_resume_sig_rt_LDADD = $(LIBUNWIND_local) Lperf_simple_LDADD = $(LIBUNWIND_local) Ltest_trace_LDADD = $(LIBUNWIND_local) Lperf_trace_LDADD = $(LIBUNWIND_local) Ltest_mem_validate_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) test_setjmp_LDADD = $(LIBUNWIND_setjmp) ia64_test_setjmp_LDADD = $(LIBUNWIND_setjmp) if BUILD_COREDUMP test_coredump_unwind_LDADD = $(LIBUNWIND_coredump) $(LIBUNWIND) @BACKTRACELIB@ endif Gia64_test_nat_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gia64_test_stack_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gia64_test_rbs_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Gia64_test_readonly_LDADD = $(LIBUNWIND) $(LIBUNWIND_local) Lia64_test_nat_LDADD = $(LIBUNWIND_local) Lia64_test_stack_LDADD = $(LIBUNWIND_local) Lia64_test_rbs_LDADD = $(LIBUNWIND_local) Lia64_test_readonly_LDADD = $(LIBUNWIND_local) ia64_test_dyn1_LDADD = $(LIBUNWIND) ia64_test_sig_LDADD = $(LIBUNWIND) ppc64_test_altivec_LDADD = $(LIBUNWIND) libunwind-1.3.2/tests/test-flush-cache.c0000644000175000017500000001145613406755365015123 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #define UNW_LOCAL_ONLY /* must define this for consistency with backtrace() */ #include int verbose; int f257 (void) { void *buffer[300]; int i, n; if (verbose) printf ("First backtrace:\n"); n = unw_backtrace (buffer, 300); if (verbose) for (i = 0; i < n; ++i) printf ("[%d] ip=%p\n", i, buffer[i]); unw_set_cache_size (unw_local_addr_space, 1023, 0); unw_flush_cache (unw_local_addr_space, 0, 0); if (verbose) printf ("\nSecond backtrace:\n"); n = unw_backtrace (buffer, 300); if (verbose) for (i = 0; i < n; ++i) printf ("[%d] ip=%p\n", i, buffer[i]); return 0; } #define F(n,m) \ int \ f##n (void) \ { \ return f##m (); \ } /* Here, we rely on the fact that the script-cache's hash-table is 256 entries big. With 257 functions, we're guaranteed to get at least one hash-collision. */ F(256,257) F(255,256) F(254,255) F(253,254) F(252,253) F(251,252) F(250,251) F(249,250) F(248,249) F(247,248) F(246,247) F(245,246) F(244,245) F(243,244) F(242,243) F(241,242) F(240,241) F(239,240) F(238,239) F(237,238) F(236,237) F(235,236) F(234,235) F(233,234) F(232,233) F(231,232) F(230,231) F(229,230) F(228,229) F(227,228) F(226,227) F(225,226) F(224,225) F(223,224) F(222,223) F(221,222) F(220,221) F(219,220) F(218,219) F(217,218) F(216,217) F(215,216) F(214,215) F(213,214) F(212,213) F(211,212) F(210,211) F(209,210) F(208,209) F(207,208) F(206,207) F(205,206) F(204,205) F(203,204) F(202,203) F(201,202) F(200,201) F(199,200) F(198,199) F(197,198) F(196,197) F(195,196) F(194,195) F(193,194) F(192,193) F(191,192) F(190,191) F(189,190) F(188,189) F(187,188) F(186,187) F(185,186) F(184,185) F(183,184) F(182,183) F(181,182) F(180,181) F(179,180) F(178,179) F(177,178) F(176,177) F(175,176) F(174,175) F(173,174) F(172,173) F(171,172) F(170,171) F(169,170) F(168,169) F(167,168) F(166,167) F(165,166) F(164,165) F(163,164) F(162,163) F(161,162) F(160,161) F(159,160) F(158,159) F(157,158) F(156,157) F(155,156) F(154,155) F(153,154) F(152,153) F(151,152) F(150,151) F(149,150) F(148,149) F(147,148) F(146,147) F(145,146) F(144,145) F(143,144) F(142,143) F(141,142) F(140,141) F(139,140) F(138,139) F(137,138) F(136,137) F(135,136) F(134,135) F(133,134) F(132,133) F(131,132) F(130,131) F(129,130) F(128,129) F(127,128) F(126,127) F(125,126) F(124,125) F(123,124) F(122,123) F(121,122) F(120,121) F(119,120) F(118,119) F(117,118) F(116,117) F(115,116) F(114,115) F(113,114) F(112,113) F(111,112) F(110,111) F(109,110) F(108,109) F(107,108) F(106,107) F(105,106) F(104,105) F(103,104) F(102,103) F(101,102) F(100,101) F(99,100) F(98,99) F(97,98) F(96,97) F(95,96) F(94,95) F(93,94) F(92,93) F(91,92) F(90,91) F(89,90) F(88,89) F(87,88) F(86,87) F(85,86) F(84,85) F(83,84) F(82,83) F(81,82) F(80,81) F(79,80) F(78,79) F(77,78) F(76,77) F(75,76) F(74,75) F(73,74) F(72,73) F(71,72) F(70,71) F(69,70) F(68,69) F(67,68) F(66,67) F(65,66) F(64,65) F(63,64) F(62,63) F(61,62) F(60,61) F(59,60) F(58,59) F(57,58) F(56,57) F(55,56) F(54,55) F(53,54) F(52,53) F(51,52) F(50,51) F(49,50) F(48,49) F(47,48) F(46,47) F(45,46) F(44,45) F(43,44) F(42,43) F(41,42) F(40,41) F(39,40) F(38,39) F(37,38) F(36,37) F(35,36) F(34,35) F(33,34) F(32,33) F(31,32) F(30,31) F(29,30) F(28,29) F(27,28) F(26,27) F(25,26) F(24,25) F(23,24) F(22,23) F(21,22) F(20,21) F(19,20) F(18,19) F(17,18) F(16,17) F(15,16) F(14,15) F(13,14) F(12,13) F(11,12) F(10,11) F(9,10) F(8,9) F(7,8) F(6,7) F(5,6) F(4,5) F(3,4) F(2,3) F(1,2) int main (int argc, char **argv) { if (argc > 1 && strcmp (argv[1], "-v") == 0) verbose = 1; return f1 (); } libunwind-1.3.2/tests/Gia64-test-readonly.c0000644000175000017500000000512113406556425015412 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file verifies that read-only registers cannot be written to. */ #include #include #include #include #include #define panic(args...) \ do { printf (args); ++nerrors; } while (0) static int verbose; static int nerrors; extern void test_func (void (*) (void)); void checker (void) { unw_fpreg_t fpval; unw_context_t uc; unw_cursor_t c; int ret; fpval.raw.bits[0] = 100; fpval.raw.bits[1] = 101; unw_getcontext (&uc); if ((ret = unw_init_local (&c, &uc)) < 0) panic ("%s: unw_init_local (ret=%d)\n", __FUNCTION__, ret); if ((ret = unw_step (&c)) < 0) panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret); if ((ret = unw_step (&c)) < 0) panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret); if ((ret = unw_set_reg (&c, UNW_IA64_IP, 99)) != -UNW_EREADONLYREG) panic ("%s: unw_set_reg (ip) returned %d instead of %d\n", __FUNCTION__, ret, -UNW_EREADONLYREG); if ((ret = unw_set_reg (&c, UNW_IA64_AR_LC, 99)) != -UNW_EREADONLYREG) panic ("%s: unw_set_reg (ar.lc) returned %d instead of %d\n", __FUNCTION__, ret, -UNW_EREADONLYREG); } int main (int argc, char **argv) { if (argc > 1) verbose = 1; test_func (checker); if (nerrors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); return 0; } libunwind-1.3.2/tests/Ltest-bt.c0000644000175000017500000000015113406556425013444 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-bt.c" #endif libunwind-1.3.2/tests/ppc64-test-altivec.c0000644000175000017500000000751613406556425015320 00000000000000 #include #include #include #include #include #include #include #define panic(args...) { fprintf (stderr, args); abort(); } extern vector signed int vec_init (); extern void vec_print (vector signed int v); vector signed int vec_stack (int count); int main () { printf ("&vec_stack = %016lx\n", (unsigned long) vec_stack); vec_stack (3); return 0; } vector signed int vec_stack (int count) { register vector signed int v1; register vector signed int v2; register vector signed int v3; register vector signed int v4; register vector signed int v5; register vector signed int v6; register vector signed int v7; register vector signed int v8; register vector signed int v9; unw_fpreg_t vr; unw_cursor_t cursor; unw_word_t ip, sp; unw_context_t uc; int ret; int verbose = 1; /* if (count == 0) return vec_init(); */ if (count == 0) { unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) { panic ("unw_init_local failed!\n"); } else { do { if ((ret = unw_get_reg (&cursor, UNW_REG_IP, &ip)) < 0) { panic ("FAILURE: unw_get_reg returned %d for UNW_REG_IP\n", ret); } if ((ret = unw_get_reg (&cursor, UNW_REG_SP, &sp)) < 0) { panic ("FAILURE: unw_get_reg returned %d for UNW_REG_SP\n", ret); } if ((ret = unw_get_fpreg (&cursor, UNW_PPC64_V30, &vr)) < 0) { panic ("FAILURE: unw_get_vreg returned %d for UNW_PPC64_V30\n", ret); } if (verbose) { const char *regname = unw_regname (UNW_PPC64_V30); char proc_name_buffer[256]; unw_word_t offset; unsigned int * vec_half1, * vec_half2; vec_half1 = (unsigned int *)&vr; vec_half2 = vec_half1 + 1; printf ("ip = %016lx, sp=%016lx\n", (long) ip, (long) sp); printf ("vr30 = %08x %08x %08x %08x\n", (unsigned int) (*vec_half1 >> 16), (unsigned int) (*vec_half1 & 0xffffffff), (unsigned int) (*vec_half2 >> 16), (unsigned int) (*vec_half2 & 0xffffffff)); ret = unw_get_proc_name (&cursor, proc_name_buffer, sizeof (proc_name_buffer), &offset); if (ret == 0) { printf ("proc name = %s, offset = %lx\n", proc_name_buffer, offset); } else { panic ("unw_get_proc_name returned %d\n", ret); } printf ("unw_regname(UNW_PPC_V30) = %s\n\n", regname); } ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); panic ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); } } while (ret > 0); } } v1 = vec_init (); v2 = vec_init (); v3 = vec_init (); v4 = vec_init (); v5 = vec_init (); v6 = vec_init (); /* make use of all of the registers in some calculation */ v7 = vec_nor (v1, vec_add (v2, vec_sub (v3, vec_and (v4, vec_or (v5, v6))))); /* * "force" the registers to be non-volatile by making a call and also * using the registers after the call. */ v8 = vec_stack (count - 1); /* * Use the result from the previous call, plus all of the non-volatile * registers in another calculation. */ v9 = vec_nor (v1, vec_add (v2, vec_sub (v3, vec_and (v4, vec_or (v5, vec_xor (v6, v8)))))); printf ("v1 - "); vec_print (v1); printf ("\n"); printf ("v2 - "); vec_print (v2); printf ("\n"); printf ("v3 - "); vec_print (v3); printf ("\n"); printf ("v4 - "); vec_print (v4); printf ("\n"); printf ("v5 - "); vec_print (v5); printf ("\n"); printf ("v6 - "); vec_print (v6); printf ("\n"); printf ("v7 - "); vec_print (v7); printf ("\n"); printf ("v8 - "); vec_print (v8); printf ("\n"); printf ("v9 - "); vec_print (v9); printf ("\n"); return v9; } libunwind-1.3.2/tests/Gtest-nomalloc.c0000644000175000017500000000442313406556425014644 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2009 Google, Inc Contributed by Arun Sharma Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int verbose; int num_errors; int in_unwind; void * malloc(size_t s) { static void * (*func)(); if(!func) func = (void *(*)()) dlsym(RTLD_NEXT, "malloc"); if (in_unwind) { num_errors++; return NULL; } else { return func(s); } } static void do_backtrace (void) { unw_word_t ip, sp; unw_cursor_t cursor; unw_context_t uc; int ret; in_unwind = 1; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); ret = unw_step (&cursor); if (ret < 0) { ++num_errors; } } while (ret > 0); in_unwind = 0; } void foo3 (void) { do_backtrace (); } void foo2 (void) { foo3 (); } void foo1 (void) { foo2 (); } int main (void) { foo1(); if (num_errors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", num_errors); exit (-1); } return 0; } libunwind-1.3.2/tests/flush-cache.S0000644000175000017500000000372213406556425014117 00000000000000#ifdef HAVE_CONFIG_H # include "config.h" #endif #ifndef HAVE__BUILTIN___CLEAR_CACHE #if defined(__ia64__) .global flush_cache .proc flush_cache flush_cache: .prologue alloc r2=ar.pfs,2,0,0,0 add r8=31,in1 // round up to 32 byte-boundary ;; shr.u r8=r8,5 // we flush 32 bytes per iteration ;; add r8=-1,r8 .save ar.lc, r3 mov r3=ar.lc // save ar.lc ;; .body mov ar.lc=r8 ;; .loop: fc in0 // issuable on M0 only add in0=32,in0 br.cloop.sptk.few .loop ;; sync.i ;; srlz.i ;; mov ar.lc=r3 // restore ar.lc br.ret.sptk.many rp .endp flush_cache #elif defined(__i386__) || defined (__x86_64__) .globl flush_cache flush_cache: ret #elif defined(__hppa__) # warning FIX ME!! .globl flush_cache flush_cache: .proc .callinfo bv %r0(%rp) .procend #elif defined(__powerpc64__) # warning IMPLEMENT ME FOR PPC64!! .globl flush_cache flush_cache: lwz 11, 0(1) ; lwz 0, 4(11) ; mtlr 0 ; lwz 31, -4(11) ; mr 1, 11 ; blr #elif defined(__powerpc__) # warning IMPLEMENT ME FOR PPC32!! .globl flush_cache flush_cache: lwz 11, 0(1) ; lwz 0, 4(11) ; mtlr 0 ; lwz 31, -4(11) ; mr 1, 11 ; blr #elif defined(__arm__) .text .globl flush_cache flush_cache: bx lr #elif defined(__tilegx__) .text .globl flush_cache flush_cache: andi r0, r0, -64 1: { flush r0 ; addi r0, r0, 64 } { bgtz r1, 1b ; addi r1, r1, -64 } jrp lr #else # error Need flush_cache code for this architecture. #endif #if defined ( __linux__) && !defined (__arm__) /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif #endif libunwind-1.3.2/tests/ia64-dyn-asm.S0000644000175000017500000000336013406556425014044 00000000000000 .globl func_add1, func_add1_end .proc func_add1 func_add1: {.mib; add r8 = 1, r32 nop.i 0 br.ret.sptk.many rp } func_add1_end: .endp func_add1 .globl func_add3, func_add3_end .proc func_add3 func_add3: {.mmi; alloc loc0 = ar.pfs, 2, 1, 2, 0 mov r2 = sp add sp = -16, sp } ;; {.mii; ld8 r8 = [in1], 8 // load the function pointer mov r3 = rp mov rp = loc0 // trash rp } ;; {.mmi; ld8 r9 = [r8], 8 // load the entry-point st8 [r2] = r3 mov out0 = in0 } ;; {.mii; ld8 gp = [r8] // load the gp mov b6 = r9 mov out1 = in1 } {.mib; nop 0 nop 0 br.call.sptk rp = b6 } {.mmi; add r2 = 16, sp ;; ld8 r3 = [r2] // r3 = saved rp mov ar.pfs = loc0 } ;; {.mii; nop 0 mov rp = r3 adds sp = 16, sp } ;; {.mib; st8 [sp] = in0 // trash rp save location add r8 = 2, r8 br.ret.sptk.many rp } func_add3_end: .endp func_add3 .globl func_vframe, func_vframe_end .proc func_vframe func_vframe: {.mii; alloc r16 = ar.pfs, 1, 2, 0, 0 // 0 mov loc0 = rp mov loc1 = sp } ;; {.mmi; sub sp = sp, in0 st8 [loc1] = r16 mov r2 = -99 // 0 } ;; {.mii; nop 0 mov rp = r2 mov ar.pfs = r0 } {.mib; mov r16 = r2 tbit.nz p6, p0 = in0, 4 (p6) br.cond.sptk.many .exit } ;; {.mmi; ld8 r16 = [loc1] ;; mov r3 = loc0 // 8 move saved rp to r3 mov ar.pfs = r16 } ;; {.mmi; mov sp = loc1 // 10 st8 [loc1] = r0 // trash saved pfs mov loc0 = r2 } ;; {.mib; mov r8 = 10 mov rp = r3 br.ret.sptk.many rp } .exit: {.mmi; ld8 r16 = [loc1] ;; sub sp = 32, sp mov ar.pfs = r16 } ;; {.mmi; mov sp = loc1 st8 [loc1] = r0 // trash saved pfs mov rp = loc0 } {.mib; nop 0 mov r8 = 4 br.ret.sptk.many rp } func_vframe_end: .endp func_vframe #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/tests/test-static-link-gen.c0000644000175000017500000000421513406755365015725 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include extern int verbose; static void *funcs[] = { (void *) &unw_get_reg, (void *) &unw_get_fpreg, (void *) &unw_set_reg, (void *) &unw_set_fpreg, (void *) &unw_resume, (void *) &unw_create_addr_space, (void *) &unw_destroy_addr_space, (void *) &unw_get_accessors, (void *) &unw_flush_cache, (void *) &unw_set_caching_policy, (void *) &unw_set_cache_size, (void *) &unw_regname, (void *) &unw_get_proc_info, (void *) &unw_get_save_loc, (void *) &unw_is_signal_frame, (void *) &unw_get_proc_name }; int test_generic (void) { if (verbose) printf (__FILE__": funcs[0]=%p\n", funcs[0]); #ifndef UNW_REMOTE_ONLY { unw_context_t uc; unw_cursor_t c; unw_getcontext (&uc); unw_init_local (&c, &uc); unw_init_remote (&c, unw_local_addr_space, &uc); return unw_step (&c); } #else return 0; #endif } libunwind-1.3.2/tests/Lrs-race.c0000644000175000017500000004330513406556425013426 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2005 Hewlett-Packard Co Contributed by Paul Pluzhnikov Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Verify that register state caches work under all caching policies in a multi-threaded environment with a large number IPs */ #define UNW_LOCAL_ONLY #include #include "compiler.h" #include #include #include /* ITERS=1000, NTHREAD=10 caught some bugs in the past */ #ifndef ITERS #define ITERS 100 #endif #ifndef NTHREAD #define NTHREAD 2 #endif int verbose; void foo_0 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_1 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_2 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_3 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_4 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_5 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_6 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_7 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_8 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_9 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_10 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_11 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_12 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_13 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_14 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_15 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_16 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_17 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_18 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_19 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_20 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_21 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_22 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_23 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_24 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_25 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_26 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_27 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_28 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_29 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_30 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_31 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_32 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_33 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_34 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_35 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_36 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_37 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_38 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_39 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_40 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_41 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_42 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_43 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_44 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_45 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_46 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_47 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_48 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_49 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_50 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_51 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_52 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_53 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_54 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_55 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_56 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_57 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_58 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_59 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_60 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_61 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_62 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_63 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_64 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_65 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_66 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_67 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_68 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_69 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_70 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_71 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_72 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_73 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_74 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_75 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_76 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_77 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_78 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_79 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_80 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_81 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_82 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_83 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_84 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_85 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_86 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_87 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_88 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_89 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_90 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_91 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_92 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_93 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_94 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_95 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_96 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_97 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_98 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_99 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_100 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_101 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_102 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_103 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_104 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_105 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_106 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_107 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_108 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_109 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_110 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_111 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_112 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_113 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_114 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_115 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_116 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_117 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_118 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_119 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_120 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_121 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_122 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_123 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_124 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_125 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_126 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_127 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void foo_128 (void) { void *buf[20]; int n; if ((n = unw_backtrace (buf, 20)) < 3) abort (); } void * bar(void *p UNUSED) { int i; for (i = 0; i < ITERS; ++i) { foo_0 (); foo_1 (); foo_2 (); foo_3 (); foo_4 (); foo_5 (); foo_6 (); foo_7 (); foo_8 (); foo_9 (); foo_10 (); foo_11 (); foo_12 (); foo_13 (); foo_14 (); foo_15 (); foo_16 (); foo_17 (); foo_18 (); foo_19 (); foo_20 (); foo_21 (); foo_22 (); foo_23 (); foo_24 (); foo_25 (); foo_26 (); foo_27 (); foo_28 (); foo_29 (); foo_30 (); foo_31 (); foo_32 (); foo_33 (); foo_34 (); foo_35 (); foo_36 (); foo_37 (); foo_38 (); foo_39 (); foo_40 (); foo_41 (); foo_42 (); foo_43 (); foo_44 (); foo_45 (); foo_46 (); foo_47 (); foo_48 (); foo_49 (); foo_50 (); foo_51 (); foo_52 (); foo_53 (); foo_54 (); foo_55 (); foo_56 (); foo_57 (); foo_58 (); foo_59 (); foo_60 (); foo_61 (); foo_62 (); foo_63 (); foo_64 (); foo_65 (); foo_66 (); foo_67 (); foo_68 (); foo_69 (); foo_70 (); foo_71 (); foo_72 (); foo_73 (); foo_74 (); foo_75 (); foo_76 (); foo_77 (); foo_78 (); foo_79 (); foo_80 (); foo_81 (); foo_82 (); foo_83 (); foo_84 (); foo_85 (); foo_86 (); foo_87 (); foo_88 (); foo_89 (); foo_90 (); foo_91 (); foo_92 (); foo_93 (); foo_94 (); foo_95 (); foo_96 (); foo_97 (); foo_98 (); foo_99 (); foo_100 (); foo_101 (); foo_102 (); foo_103 (); foo_104 (); foo_105 (); foo_106 (); foo_107 (); foo_108 (); foo_109 (); foo_110 (); foo_111 (); foo_112 (); foo_113 (); foo_114 (); foo_115 (); foo_116 (); foo_117 (); foo_118 (); foo_119 (); foo_120 (); foo_121 (); foo_122 (); foo_123 (); foo_124 (); foo_125 (); foo_126 (); foo_127 (); foo_128 (); } return NULL; } int doit (void) { pthread_t tid[NTHREAD]; int i; for (i = 0; i < NTHREAD; ++i) if (pthread_create (&tid[i], NULL, bar, NULL)) return 1; for (i = 0; i < NTHREAD; ++i) if (pthread_join (tid[i], NULL)) return 1; return 0; } int main (int argc, char **argv UNUSED) { if (argc > 1) verbose = 1; if (verbose) printf ("Caching: none\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_NONE); doit (); if (verbose) printf ("Caching: global\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_GLOBAL); doit (); if (verbose) printf ("Caching: per-thread\n"); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD); doit (); if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/run-ia64-test-dyn10000755000175000017500000000005413406556425014725 00000000000000#!/bin/sh ./test-ptrace -t ./ia64-test-dyn1 libunwind-1.3.2/tests/run-ptrace-misc0000755000175000017500000000006113406556425014541 00000000000000#!/bin/sh ./test-ptrace -c -t ./test-ptrace-misc libunwind-1.3.2/tests/run-check-namespace0000755000175000017500000000010013406556425015333 00000000000000#!/bin/sh chmod +x ./check-namespace.sh ./check-namespace.sh $* libunwind-1.3.2/tests/Gperf-simple.c0000644000175000017500000001425313406755365014314 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "compiler.h" #include #include #define panic(args...) \ do { fprintf (stderr, args); exit (-1); } while (0) long dummy; static long iterations = 10000; static int maxlevel = 100; #define KB 1024 #define MB (1024*1024) static char big[64*MB]; /* should be >> max. cache size */ static inline double gettime (void) { struct timeval tv; gettimeofday (&tv, NULL); return tv.tv_sec + 1e-6*tv.tv_usec; } static int NOINLINE measure_unwind (int maxlevel, double *step) { double stop, start; unw_cursor_t cursor; unw_context_t uc; int ret, level = 0; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local() failed\n"); start = gettime (); do { ret = unw_step (&cursor); if (ret < 0) panic ("unw_step() failed\n"); ++level; } while (ret > 0); stop = gettime (); if (level <= maxlevel) panic ("Unwound only %d levels, expected at least %d levels\n", level, maxlevel); *step = (stop - start) / (double) level; return 0; } static int f1 (int, int, double *); static int NOINLINE g1 (int level, int maxlevel, double *step) { if (level == maxlevel) return measure_unwind (maxlevel, step); else /* defeat last-call/sibcall optimization */ return f1 (level + 1, maxlevel, step) + level; } static int NOINLINE f1 (int level, int maxlevel, double *step) { if (level == maxlevel) return measure_unwind (maxlevel, step); else /* defeat last-call/sibcall optimization */ return g1 (level + 1, maxlevel, step) + level; } static void doit (const char *label) { double step, min_step, first_step, sum_step; int i; sum_step = first_step = 0.0; min_step = 1e99; for (i = 0; i < iterations; ++i) { f1 (0, maxlevel, &step); sum_step += step; if (step < min_step) min_step = step; if (i == 0) first_step = step; } printf ("%s: unw_step : 1st=%9.3f min=%9.3f avg=%9.3f nsec\n", label, 1e9*first_step, 1e9*min_step, 1e9*sum_step/iterations); } static long sum (void *buf, size_t size) { long s = 0; char *cp = buf; size_t i; for (i = 0; i < size; i += 8) s += cp[i]; return s; } static void measure_init (void) { # define N 100 # define M 10 /* must be at least 2 to get steady-state */ double stop, start, get_cold, get_warm, init_cold, init_warm, delta; struct { unw_cursor_t c; char padding[1024]; /* should be > 2 * max. cacheline size */ } cursor[N]; struct { unw_context_t uc; char padding[1024]; /* should be > 2 * max. cacheline size */ } uc[N]; int i, j; /* Run each test M times and take the minimum to filter out noise such dynamic linker resolving overhead, context-switches, page-in, cache, and TLB effects. */ get_cold = 1e99; for (j = 0; j < M; ++j) { dummy += sum (big, sizeof (big)); /* flush the cache */ for (i = 0; i < N; ++i) uc[i].padding[511] = i; /* warm up the TLB */ start = gettime (); for (i = 0; i < N; ++i) unw_getcontext (&uc[i].uc); stop = gettime (); delta = (stop - start) / N; if (delta < get_cold) get_cold = delta; } init_cold = 1e99; for (j = 0; j < M; ++j) { dummy += sum (big, sizeof (big)); /* flush cache */ for (i = 0; i < N; ++i) uc[i].padding[511] = i; /* warm up the TLB */ start = gettime (); for (i = 0; i < N; ++i) unw_init_local (&cursor[i].c, &uc[i].uc); stop = gettime (); delta = (stop - start) / N; if (delta < init_cold) init_cold = delta; } get_warm = 1e99; for (j = 0; j < M; ++j) { start = gettime (); for (i = 0; i < N; ++i) unw_getcontext (&uc[0].uc); stop = gettime (); delta = (stop - start) / N; if (delta < get_warm) get_warm = delta; } init_warm = 1e99; for (j = 0; j < M; ++j) { start = gettime (); for (i = 0; i < N; ++i) unw_init_local (&cursor[0].c, &uc[0].uc); stop = gettime (); delta = (stop - start) / N; if (delta < init_warm) init_warm = delta; } printf ("unw_getcontext : cold avg=%9.3f nsec, warm avg=%9.3f nsec\n", 1e9 * get_cold, 1e9 * get_warm); printf ("unw_init_local : cold avg=%9.3f nsec, warm avg=%9.3f nsec\n", 1e9 * init_cold, 1e9 * init_warm); } int main (int argc, char **argv) { struct rlimit rlim; rlim.rlim_cur = RLIM_INFINITY; rlim.rlim_max = RLIM_INFINITY; setrlimit (RLIMIT_STACK, &rlim); memset (big, 0xaa, sizeof (big)); if (argc > 1) { maxlevel = atol (argv[1]); if (argc > 2) iterations = atol (argv[2]); } measure_init (); doit ("default "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_NONE); doit ("no cache "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_GLOBAL); doit ("global cache "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD); doit ("per-thread cache"); return 0; } libunwind-1.3.2/tests/Gtest-resume-sig-rt.c0000644000175000017500000000270513406556425015544 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Copyright (C) 2012 Tommi Rantala Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* The purpose of this test is to invoke different code paths in libunwind (on * some architectures), that are executed when the SA_SIGINFO sigaction() flag * is used. */ #define TEST_WITH_SIGINFO 1 #include "Gtest-resume-sig.c" libunwind-1.3.2/tests/Lperf-trace.c0000644000175000017500000000015413406556425014115 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gperf-trace.c" #endif libunwind-1.3.2/tests/Lperf-simple.c0000644000175000017500000000015513406556425014311 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gperf-simple.c" #endif libunwind-1.3.2/tests/Ltest-init-local-signal-lib.c0000644000175000017500000000015413406755365017120 00000000000000#include /* To prevent inlining and optimizing away */ int foo(volatile int* f) { return *f; } libunwind-1.3.2/tests/test-setjmp.c0000644000175000017500000001656513406556425014245 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* The setjmp()/longjmp(), sigsetjmp()/siglongjmp(). */ #include "compiler.h" #include #include #include #include #include #include int nerrors; int verbose; static jmp_buf jbuf; static sigjmp_buf sigjbuf; static sigset_t sigset4; void raise_longjmp (jmp_buf jbuf, int i, int n) { while (i < n) raise_longjmp (jbuf, i + 1, n); longjmp (jbuf, n); } void test_setjmp (void) { volatile int i; jmp_buf jbuf; int ret; for (i = 0; i < 10; ++i) { if ((ret = setjmp (jbuf))) { if (verbose) printf ("%s: secondary setjmp () return, ret=%d\n", __FUNCTION__, ret); if (ret != i + 1) { fprintf (stderr, "%s: setjmp() returned %d, expected %d\n", __FUNCTION__, ret, i + 1); ++nerrors; } continue; } if (verbose) printf ("%s.%d: done with setjmp(); calling children\n", __FUNCTION__, i + 1); raise_longjmp (jbuf, 0, i + 1); fprintf (stderr, "%s: raise_longjmp() returned unexpectedly\n", __FUNCTION__); ++nerrors; } } void raise_siglongjmp (sigjmp_buf jbuf, int i, int n) { while (i < n) raise_siglongjmp (jbuf, i + 1, n); siglongjmp (jbuf, n); } void test_sigsetjmp (void) { sigjmp_buf jbuf; volatile int i; int ret; for (i = 0; i < 10; ++i) { if ((ret = sigsetjmp (jbuf, 1))) { if (verbose) printf ("%s: secondary sigsetjmp () return, ret=%d\n", __FUNCTION__, ret); if (ret != i + 1) { fprintf (stderr, "%s: sigsetjmp() returned %d, expected %d\n", __FUNCTION__, ret, i + 1); ++nerrors; } continue; } if (verbose) printf ("%s.%d: done with sigsetjmp(); calling children\n", __FUNCTION__, i + 1); raise_siglongjmp (jbuf, 0, i + 1); fprintf (stderr, "%s: raise_siglongjmp() returned unexpectedly\n", __FUNCTION__); ++nerrors; } } void sighandler (int signal) { if (verbose) printf ("%s: got signal %d\n", __FUNCTION__, signal); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset4); if (verbose) printf ("%s: back from sigprocmask\n", __FUNCTION__); siglongjmp (sigjbuf, 1); printf ("%s: siglongjmp() returned unexpectedly!\n", __FUNCTION__); } int main (int argc, char **argv UNUSED) { volatile sigset_t sigset1, sigset2, sigset3; volatile struct sigaction act; if (argc > 1) verbose = 1; sigemptyset ((sigset_t *) &sigset1); sigaddset ((sigset_t *) &sigset1, SIGUSR1); sigemptyset ((sigset_t *) &sigset2); sigaddset ((sigset_t *) &sigset2, SIGUSR2); memset ((void *) &act, 0, sizeof (act)); act.sa_handler = sighandler; sigaction (SIGTERM, (struct sigaction *) &act, NULL); test_setjmp (); test_sigsetjmp (); /* _setjmp() MUST NOT change signal mask: */ sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL); if (_setjmp (jbuf)) { sigemptyset ((sigset_t *) &sigset3); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3); if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2, sizeof (sigset_t)) != 0) { fprintf (stderr, "FAILURE: _longjmp() manipulated signal mask!\n"); ++nerrors; } else if (verbose) printf ("OK: _longjmp() seems not to change signal mask\n"); } else { sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL); _longjmp (jbuf, 1); } /* sigsetjmp(jbuf, 1) MUST preserve signal mask: */ sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL); if (sigsetjmp (sigjbuf, 1)) { sigemptyset ((sigset_t *) &sigset3); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3); if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1, sizeof (sigset_t)) != 0) { fprintf (stderr, "FAILURE: siglongjmp() didn't restore signal mask!\n"); ++nerrors; } else if (verbose) printf ("OK: siglongjmp() restores signal mask when asked to\n"); } else { sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL); siglongjmp (sigjbuf, 1); } /* sigsetjmp(jbuf, 0) MUST NOT preserve signal mask: */ sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL); if (sigsetjmp (sigjbuf, 0)) { sigemptyset ((sigset_t *) &sigset3); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3); if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset2, sizeof (sigset_t)) != 0) { fprintf (stderr, "FAILURE: siglongjmp() changed signal mask!\n"); ++nerrors; } else if (verbose) printf ("OK: siglongjmp() leaves signal mask alone when asked to\n"); } else { sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL); siglongjmp (sigjbuf, 1); } /* sigsetjmp(jbuf, 1) MUST preserve signal mask: */ sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL); if (sigsetjmp (sigjbuf, 1)) { sigemptyset ((sigset_t *) &sigset3); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3); if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset1, sizeof (sigset_t)) != 0) { fprintf (stderr, "FAILURE: siglongjmp() didn't restore signal mask!\n"); ++nerrors; } else if (verbose) printf ("OK: siglongjmp() restores signal mask when asked to\n"); } else { sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL); kill (getpid (), SIGTERM); fprintf (stderr, "FAILURE: unexpected return from kill()\n"); ++nerrors; } /* sigsetjmp(jbuf, 0) MUST NOT preserve signal mask: */ sigprocmask (SIG_SETMASK, (sigset_t *) &sigset1, NULL); if (sigsetjmp (sigjbuf, 0)) { sigemptyset ((sigset_t *) &sigset3); sigprocmask (SIG_BLOCK, NULL, (sigset_t *) &sigset3); if (memcmp ((sigset_t *) &sigset3, (sigset_t *) &sigset4, sizeof (sigset_t)) != 0) { fprintf (stderr, "FAILURE: siglongjmp() changed signal mask!\n"); ++nerrors; } else if (verbose) printf ("OK: siglongjmp() leaves signal mask alone when asked to\n"); } else { sigprocmask (SIG_SETMASK, (sigset_t *) &sigset2, NULL); kill (getpid (), SIGTERM); fprintf (stderr, "FAILURE: unexpected return from kill()\n"); ++nerrors; } if (nerrors > 0) { fprintf (stderr, "FAILURE: detected %d failures\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/ppc64-test-altivec-utils.c0000644000175000017500000000115113406556425016443 00000000000000#include #include union si_overlay { vector signed int v; int ints[4]; }; vector signed int vec_init () { vector signed int v; static int count = 1; ((union si_overlay *) &v)->ints[0] = count++; ((union si_overlay *) &v)->ints[1] = count++; ((union si_overlay *) &v)->ints[2] = count++; ((union si_overlay *) &v)->ints[3] = count++; return v; } void vec_print (vector signed int v) { printf ("%08x %08x %08x %08x", ((union si_overlay *) &v)->ints[0], ((union si_overlay *) &v)->ints[1], ((union si_overlay *) &v)->ints[2], ((union si_overlay *) &v)->ints[3]); } libunwind-1.3.2/tests/run-coredump-unwind0000755000175000017500000000363613406556425015465 00000000000000#!/bin/sh # this function is slight modification of the one used in RPM # found at https://bugzilla.redhat.com/show_bug.cgi?id=834073 # written by Alexander Larsson add_minidebug() { debuginfo="$1" ## we don't have separate debuginfo file binary="$1" dynsyms=`mktemp` funcsyms=`mktemp` keep_symbols=`mktemp` mini_debuginfo=`mktemp` # Extract the dynamic symbols from the main binary, there is no need to also have these # in the normal symbol table nm -D "$binary" --format=posix --defined-only | awk '{ print $1 }' | sort > "$dynsyms" # Extract all the text (i.e. function) symbols from the debuginfo nm "$debuginfo" --format=posix --defined-only | awk '{ if ($2 == "T" || $2 == "t") print $1 }' | sort > "$funcsyms" # Keep all the function symbols not already in the dynamic symbol table comm -13 "$dynsyms" "$funcsyms" > "$keep_symbols" # Copy the full debuginfo, keeping only a minumal set of symbols and removing some unnecessary sections objcopy -S --remove-section .gdb_index --remove-section .comment --keep-symbols="$keep_symbols" "$debuginfo" "$mini_debuginfo" &> /dev/null #Inject the compressed data into the .gnu_debugdata section of the original binary xz "$mini_debuginfo" mini_debuginfo="${mini_debuginfo}.xz" objcopy --add-section .gnu_debugdata="$mini_debuginfo" "$binary" rm -f "$dynsyms" "$funcsyms" "$keep_symbols" "$mini_debuginfo" strip "$binary" ## throw away the symbol table } TESTDIR=`pwd` TEMPDIR=`mktemp --tmpdir -d libunwind-test-XXXXXXXXXX` trap "rm -r -- $TEMPDIR" EXIT cp crasher $TEMPDIR/crasher if [ "$1" = "-minidebuginfo" ]; then add_minidebug $TEMPDIR/crasher fi # create core dump ( cd $TEMPDIR ulimit -c 10000 ./crasher backing_files ) 2>/dev/null COREFILE=$TEMPDIR/core* # magic option -testcase enables checking for the specific contents of the stack ./test-coredump-unwind $COREFILE -testcase `cat $TEMPDIR/backing_files` libunwind-1.3.2/tests/Ltest-nocalloc.c0000644000175000017500000000614013406556425014635 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2011 Google, Inc Contributed by Paul Pluzhnikov Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #define UNW_LOCAL_ONLY #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int num_mallocs; int num_callocs; int in_unwind; void * calloc(size_t n, size_t s) { static void * (*func)(size_t, size_t); #ifdef __GLIBC__ /* In glibc, dlsym() calls calloc. Calling dlsym(RTLD_NEXT, "calloc") here causes infinite recursion. Instead, we simply use it by its other name. */ extern void *__libc_calloc(size_t, size_t); if (!func) func = &__libc_calloc; #else if(!func) func = dlsym(RTLD_NEXT, "calloc"); #endif if (in_unwind) { num_callocs++; return NULL; } else { return func(n, s); } } void * malloc(size_t s) { static void * (*func)(size_t); if(!func) func = dlsym(RTLD_NEXT, "malloc"); if (in_unwind) { num_mallocs++; return NULL; } else { return func(s); } } static void do_backtrace (void) { const int num_levels = 100; void *pc[num_levels]; in_unwind = 1; unw_backtrace(pc, num_levels); in_unwind = 0; } void foo3 (void) { do_backtrace (); } void foo2 (void) { foo3 (); } void foo1 (void) { foo2 (); } int main (void) { int i, num_errors; /* Create (and leak) 100 TSDs, then call backtrace() and check that it doesn't call malloc()/calloc(). */ for (i = 0; i < 100; ++i) { pthread_key_t key; if (pthread_key_create (&key, NULL)) panic ("FAILURE: unable to create key %d\n", i); } /* Call backtrace right after thread creation, * where we are sure that we're not inside malloc */ do_backtrace(); num_mallocs = num_callocs = 0; foo1 (); num_errors = num_mallocs + num_callocs; if (num_errors > 0) { fprintf (stderr, "FAILURE: detected %d error%s (malloc: %d, calloc: %d)\n", num_errors, num_errors > 1 ? "s" : "", num_mallocs, num_callocs); exit (-1); } return 0; } libunwind-1.3.2/tests/Gperf-trace.c0000644000175000017500000001370313406755365014120 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "compiler.h" #include #include #define panic(args...) \ do { fprintf (stderr, args); exit (-1); } while (0) long dummy; static long iterations = 10000; static int maxlevel = 100; #define KB 1024 #define MB (1024*1024) static char big[64*MB]; /* should be >> max. cache size */ static inline double gettime (void) { struct timeval tv; gettimeofday (&tv, NULL); return tv.tv_sec + 1e-6*tv.tv_usec; } static int NOINLINE measure_unwind (int maxlevel, double *step) { double stop, start; int level = 0; void *buffer[128]; start = gettime (); level = unw_backtrace(buffer, 128); stop = gettime (); if (level <= maxlevel) panic ("Unwound only %d levels, expected at least %d levels\n", level, maxlevel); *step = (stop - start) / (double) level; return 0; } static int f1 (int, int, double *); static int NOINLINE g1 (int level, int maxlevel, double *step) { if (level == maxlevel) return measure_unwind (maxlevel, step); else /* defeat last-call/sibcall optimization */ return f1 (level + 1, maxlevel, step) + level; } static int NOINLINE f1 (int level, int maxlevel, double *step) { if (level == maxlevel) return measure_unwind (maxlevel, step); else /* defeat last-call/sibcall optimization */ return g1 (level + 1, maxlevel, step) + level; } static void doit (const char *label) { double step, min_step, first_step, sum_step; int i; sum_step = first_step = 0.0; min_step = 1e99; for (i = 0; i < iterations; ++i) { f1 (0, maxlevel, &step); sum_step += step; if (step < min_step) min_step = step; if (i == 0) first_step = step; } printf ("%s: unw_step : 1st=%9.3f min=%9.3f avg=%9.3f nsec\n", label, 1e9*first_step, 1e9*min_step, 1e9*sum_step/iterations); } static long sum (void *buf, size_t size) { long s = 0; char *cp = buf; size_t i; for (i = 0; i < size; i += 8) s += cp[i]; return s; } static void measure_init (void) { # define N 100 # define M 10 /* must be at least 2 to get steady-state */ double stop, start, get_cold, get_warm, init_cold, init_warm, delta; struct { unw_cursor_t c; char padding[1024]; /* should be > 2 * max. cacheline size */ } cursor[N]; struct { unw_context_t uc; char padding[1024]; /* should be > 2 * max. cacheline size */ } uc[N]; int i, j; /* Run each test M times and take the minimum to filter out noise such dynamic linker resolving overhead, context-switches, page-in, cache, and TLB effects. */ get_cold = 1e99; for (j = 0; j < M; ++j) { dummy += sum (big, sizeof (big)); /* flush the cache */ for (i = 0; i < N; ++i) uc[i].padding[511] = i; /* warm up the TLB */ start = gettime (); for (i = 0; i < N; ++i) unw_getcontext (&uc[i].uc); stop = gettime (); delta = (stop - start) / N; if (delta < get_cold) get_cold = delta; } init_cold = 1e99; for (j = 0; j < M; ++j) { dummy += sum (big, sizeof (big)); /* flush cache */ for (i = 0; i < N; ++i) uc[i].padding[511] = i; /* warm up the TLB */ start = gettime (); for (i = 0; i < N; ++i) unw_init_local (&cursor[i].c, &uc[i].uc); stop = gettime (); delta = (stop - start) / N; if (delta < init_cold) init_cold = delta; } get_warm = 1e99; for (j = 0; j < M; ++j) { start = gettime (); for (i = 0; i < N; ++i) unw_getcontext (&uc[0].uc); stop = gettime (); delta = (stop - start) / N; if (delta < get_warm) get_warm = delta; } init_warm = 1e99; for (j = 0; j < M; ++j) { start = gettime (); for (i = 0; i < N; ++i) unw_init_local (&cursor[0].c, &uc[0].uc); stop = gettime (); delta = (stop - start) / N; if (delta < init_warm) init_warm = delta; } printf ("unw_getcontext : cold avg=%9.3f nsec, warm avg=%9.3f nsec\n", 1e9 * get_cold, 1e9 * get_warm); printf ("unw_init_local : cold avg=%9.3f nsec, warm avg=%9.3f nsec\n", 1e9 * init_cold, 1e9 * init_warm); } int main (int argc, char **argv) { struct rlimit rlim; rlim.rlim_cur = RLIM_INFINITY; rlim.rlim_max = RLIM_INFINITY; setrlimit (RLIMIT_STACK, &rlim); memset (big, 0xaa, sizeof (big)); if (argc > 1) { maxlevel = atol (argv[1]); if (argc > 2) iterations = atol (argv[2]); } measure_init (); doit ("default "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_NONE); doit ("no cache "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_GLOBAL); doit ("global cache "); unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD); doit ("per-thread cache"); return 0; } libunwind-1.3.2/tests/ia64-test-readonly-asm.S0000644000175000017500000000326213406556425016045 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ .text .global test_func .proc test_func test_func: .prologue .regstk 1, 3, 0, 0 .save ar.pfs, loc0 alloc loc0 = ar.pfs, 1, 3, 0, 0 mov loc1 = rp .save rp, r0 .save ar.lc, r0 .body mov loc2 = gp ld8 r2 = [in0], 8;; ld8 r1 = [in0];; mov b6 = r2 br.call.sptk.many rp = b6 mov gp = loc2 mov rp = loc1 mov ar.pfs = loc0 br.ret.sptk.many rp .endp test_func #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/tests/ia64-test-rbs-asm.S0000644000175000017500000002260013406556425015013 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ia64-test-rbs.h" .common stackmem, NSTACKS*STACK_SIZE, 16 .text #define SAVED_SP_OFF 0 #define SAVED_RP_OFF 8 #define SAVED_PFS_OFF 16 #define SAVED_RNAT_OFF 24 #define SAVED_BSP_OFF 32 #define SAVED_BSPSTORE_OFF 40 #define FRAME_SIZE 48 #define SPILL(n) \ /* int rbs_spill_#n(long iteration, int (*next_func[])()) */ \ .globl rbs_spill_##n; \ .proc rbs_spill_##n; \ rbs_spill_##n: \ .prologue; \ alloc r18 = ar.pfs, 2, (n)-2, 2, 0;/* read ar.pfs */ \ /* first, calculate address of new stack: */ \ addl r2 = @ltoff(stackmem), gp; \ add r8 = 1, in0; \ ;; \ ld8 r2 = [r2]; /* r2 = &stackmem */ \ shl r3 = in0, STACK_SIZE_SHIFT; \ shladd r8 = r8, 3, in1; /* r8 = &next_func[iteration+1] */ \ ;; \ ld8 r8 = [r8]; /* r8 = next_func[iteration+1] */ \ add r2 = r2, r3; /* r2 = stackmem[iteration] */ \ ;; \ ld8 r9 = [r8], 8;; /* r9 = target's entry-point */ \ ld8 gp = [r8]; /* r22 = target's gp */ \ addl r3 = STACK_SIZE-FRAME_SIZE, r2; /* r3 = &stackframe */ \ ;; \ mov b6 = r9; \ st8 [r3] = sp; \ .vframesp SAVED_SP_OFF+16; \ adds sp = -16, r3; /* switch the memory stack */ \ ;; \ adds r3 = (SAVED_RP_OFF - SAVED_SP_OFF), r3; \ mov r16 = rp; \ ;; \ .savesp rp, SAVED_RP_OFF+16; \ st8 [r3] = r16, (SAVED_PFS_OFF - SAVED_RP_OFF); \ ;; \ .savesp ar.pfs, SAVED_PFS_OFF+16; \ st8 [r3] = r18, (SAVED_BSP_OFF - SAVED_PFS_OFF); \ mov r16 = ar.bsp; \ mov r17 = ar.bspstore; \ mov r18 = ar.rnat; \ ;; \ .savesp ar.bsp, SAVED_BSP_OFF+16; \ st8 [r3] = r16, (SAVED_BSPSTORE_OFF - SAVED_BSP_OFF); \ ;; \ .savesp ar.bspstore, SAVED_BSPSTORE_OFF+16; \ st8 [r3] = r17, (SAVED_RNAT_OFF - SAVED_BSPSTORE_OFF); \ mov out1 = in1; \ ;; \ .savesp ar.rnat, SAVED_RNAT_OFF+16; \ st8 [r3] = r18; \ .body; \ mov ar.bspstore = r2; /* switch the backing store */ \ adds out0 = 1, in0; \ ;; \ br.call.sptk.many rp = b6; \ 1: /* switch back to stack: */ \ adds r3 = SAVED_SP_OFF+16, sp; \ cmp.ge p8, p0 = r8, r0; \ ;; \ (p8) add r8 = 1, r8; \ ld8 r16 = [r3], (SAVED_RP_OFF-SAVED_SP_OFF);; /* saved sp */ \ ld8 r17 = [r3], (SAVED_PFS_OFF-SAVED_RP_OFF);; /* saved rp */ \ ld8 r18 = [r3], (SAVED_RNAT_OFF-SAVED_PFS_OFF);;/* saved pfs */ \ ld8 r19 = [r3], (SAVED_BSP_OFF-SAVED_RNAT_OFF);;/* saved rnat */ \ ld8 r20 = [r3], (SAVED_BSPSTORE_OFF-SAVED_BSP_OFF);;/* saved bsp */ \ ld8 r21 = [r3];; /* saved bspstore */ \ mov rp = r17; \ mov ar.pfs = r18; \ shl r3 = in0, STACK_SIZE_SHIFT; \ addl r2 = @ltoff(stackmem), gp;; \ ld8 r2 = [r2];; /* r2 = &stackmem */ \ add r2 = r2, r3; /* r2 = stackmem[iteration] */ \ mov r3 = ar.bsp;; \ sub r2 = r3, r2;; /* r2 = dirty_size */ \ shl r2 = r2, 16;; \ mov ar.rsc = r2;; \ alloc r3 = ar.pfs, 0, 0, 0, 0;; \ loadrs;; \ mov ar.bspstore = r21;; /* this also restores ar.bsp */ \ mov ar.rnat = r19; \ .restore sp; \ mov sp = r16; \ br.ret.sptk.many rp; \ .endp rbs_spill_##n SPILL(2); SPILL(3) SPILL(4); SPILL(5); SPILL(6); SPILL(7) SPILL(8); SPILL(9); SPILL(10); SPILL(11) SPILL(12); SPILL(13); SPILL(14); SPILL(15) SPILL(16); SPILL(17); SPILL(18); SPILL(19) SPILL(20); SPILL(21); SPILL(22); SPILL(23) SPILL(24); SPILL(25); SPILL(26); SPILL(27) SPILL(28); SPILL(29); SPILL(30); SPILL(31) SPILL(32); SPILL(33); SPILL(34); SPILL(35) SPILL(36); SPILL(37); SPILL(38); SPILL(39) SPILL(40); SPILL(41); SPILL(42); SPILL(43) SPILL(44); SPILL(45); SPILL(46); SPILL(47) SPILL(48); SPILL(49); SPILL(50); SPILL(51) SPILL(52); SPILL(53); SPILL(54); SPILL(55) SPILL(56); SPILL(57); SPILL(58); SPILL(59) SPILL(60); SPILL(61); SPILL(62); SPILL(63) SPILL(64); SPILL(65); SPILL(66); SPILL(67) SPILL(68); SPILL(69); SPILL(70); SPILL(71) SPILL(72); SPILL(73); SPILL(74); SPILL(75) SPILL(76); SPILL(77); SPILL(78); SPILL(79) SPILL(80); SPILL(81); SPILL(82); SPILL(83) SPILL(84); SPILL(85); SPILL(86); SPILL(87) SPILL(88); SPILL(89); SPILL(90); SPILL(91) SPILL(92); SPILL(93); SPILL(94) #define LD_LOC(n) \ ld4 loc##n = [in1], 4;; \ cmp.eq p8, p9 = r0, loc##n;; \ (p9) or loc##n = loc##n, r8; \ (p8) ld4.s loc##n = [r0] #define CK_LOC(n) \ ld4 r16 = [in1], 4;; \ cmp.eq p8, p9 = r0, r16; \ or r16 = r16, r9;; \ (p8) tnat.z p10, p0 = loc##n; \ (p9) cmp.ne p10, p0 = r16, loc##n; \ ;; \ (p10) mov r8 = -n; \ (p10) br.cond.spnt.many .fail /* int loadup(long iteration, int *values, next_func[]) */ .global loadup .proc loadup loadup: .prologue .save ar.pfs, r36 alloc loc1 = ar.pfs, 3, 90, 3, 0 .save rp, loc0 mov loc0 = rp .body cmp.eq p6, p7 = 1, in0 ;; mov ar.rsc = 0 // put RSE into enforced lazy mode (p6) mov out1 = in2 (p7) mov out2 = in2 (p6) ld8 r17 = [in2] // get address of function descriptor (p7) add out0 = -1, in0 (p7) mov out1 = in1 ;; (p6) ld8 r16 = [r17], 8 // load entry point shl r8 = in0, 32 // store iteration # in top 32 bits mov r18 = in1 ;; (p6) ld8 r1 = [r17] // load gp (p6) mov b6 = r16 (p6) mov out0 = 0 ;; LD_LOC( 2); LD_LOC( 3) LD_LOC( 4); LD_LOC( 5); LD_LOC( 6); LD_LOC( 7) LD_LOC( 8); LD_LOC( 9); LD_LOC(10); LD_LOC(11) LD_LOC(12); LD_LOC(13); LD_LOC(14); LD_LOC(15) LD_LOC(16); LD_LOC(17); LD_LOC(18); LD_LOC(19) LD_LOC(20); LD_LOC(21); LD_LOC(22); LD_LOC(23) LD_LOC(24); LD_LOC(25); LD_LOC(26); LD_LOC(27) LD_LOC(28); LD_LOC(29); LD_LOC(30); LD_LOC(31) LD_LOC(32); LD_LOC(33); LD_LOC(34); LD_LOC(35) LD_LOC(36); LD_LOC(37); LD_LOC(38); LD_LOC(39) LD_LOC(40); LD_LOC(41); LD_LOC(42); LD_LOC(43) LD_LOC(44); LD_LOC(45); LD_LOC(46); LD_LOC(47) LD_LOC(48); LD_LOC(49); LD_LOC(50); LD_LOC(51) LD_LOC(52); LD_LOC(53); LD_LOC(54); LD_LOC(55) LD_LOC(56); LD_LOC(57); LD_LOC(58); LD_LOC(59) LD_LOC(60); LD_LOC(61); LD_LOC(62); LD_LOC(63) LD_LOC(64); LD_LOC(65); LD_LOC(66); LD_LOC(67) LD_LOC(68); LD_LOC(69); LD_LOC(70); LD_LOC(71) LD_LOC(72); LD_LOC(73); LD_LOC(74); LD_LOC(75) LD_LOC(76); LD_LOC(77); LD_LOC(78); LD_LOC(79) LD_LOC(80); LD_LOC(81); LD_LOC(82); LD_LOC(83) LD_LOC(84); LD_LOC(85); LD_LOC(86); LD_LOC(87) LD_LOC(88); LD_LOC(89) ;; { .mbb mov in1 = r18 (p6) br.call.sptk.many rp = b6 (p7) br.call.sptk.many rp = loadup } cmp.lt p8, p9 = r8, r0 shl r9 = in0, 32 // store iteration # in top 32 bits (p8) br.cond.spnt.few .fail ;; add r8 = 1, r8 CK_LOC( 2); CK_LOC( 3) CK_LOC( 4); CK_LOC( 5); CK_LOC( 6); CK_LOC( 7) CK_LOC( 8); CK_LOC( 9); CK_LOC(10); CK_LOC(11) CK_LOC(12); CK_LOC(13); CK_LOC(14); CK_LOC(15) CK_LOC(16); CK_LOC(17); CK_LOC(18); CK_LOC(19) CK_LOC(20); CK_LOC(21); CK_LOC(22); CK_LOC(23) CK_LOC(24); CK_LOC(25); CK_LOC(26); CK_LOC(27) CK_LOC(28); CK_LOC(29); CK_LOC(30); CK_LOC(31) CK_LOC(32); CK_LOC(33); CK_LOC(34); CK_LOC(35) CK_LOC(36); CK_LOC(37); CK_LOC(38); CK_LOC(39) CK_LOC(40); CK_LOC(41); CK_LOC(42); CK_LOC(43) CK_LOC(44); CK_LOC(45); CK_LOC(46); CK_LOC(47) CK_LOC(48); CK_LOC(49); CK_LOC(50); CK_LOC(51) CK_LOC(52); CK_LOC(53); CK_LOC(54); CK_LOC(55) CK_LOC(56); CK_LOC(57); CK_LOC(58); CK_LOC(59) CK_LOC(60); CK_LOC(61); CK_LOC(62); CK_LOC(63) CK_LOC(64); CK_LOC(65); CK_LOC(66); CK_LOC(67) CK_LOC(68); CK_LOC(69); CK_LOC(70); CK_LOC(71) CK_LOC(72); CK_LOC(73); CK_LOC(74); CK_LOC(75) CK_LOC(76); CK_LOC(77); CK_LOC(78); CK_LOC(79) CK_LOC(80); CK_LOC(81); CK_LOC(82); CK_LOC(83) CK_LOC(84); CK_LOC(85); CK_LOC(86); CK_LOC(87) CK_LOC(88); CK_LOC(89) .fail: mov rp = loc0 mov ar.pfs = loc1 br.ret.sptk.many rp .endp loadup .global resumption_point_label .proc resumption_point resumption_point: resumption_point_label: .prologue .save rp, r16 .save ar.pfs, r0 .body mov r8 = r15 mov b6 = r16 ;; br.cond.sptk.many b6 .endp resumption_point #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/tests/run-coredump-unwind-mdi0000755000175000017500000000054313406755365016232 00000000000000#!/bin/sh # This test intends to test the unw_get_proc_name function on binaries without # the symbol table but with so called MiniDebuginfo available. In particular, # it is tested using the coredump accessors. For more info about MiniDebugInfo # see e.g. http://fedoraproject.org/wiki/Features/MiniDebugInfo ${0%/*}/run-coredump-unwind -minidebuginfo libunwind-1.3.2/tests/Gia64-test-rbs.c0000644000175000017500000001525013406556425014367 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file tests corner-cases of unwinding across multiple stacks. In particular, it verifies that the extreme case with a frame of 96 stacked registers that are all backed up by separate stacks works as expected. */ #include #include #include #include "compiler.h" #include "ia64-test-rbs.h" #define panic(args...) \ do { fprintf (stderr, args); ++nerrors; return -9999; } while (0) /* The loadrs field in ar.rsc is 14 bits wide, which limits all ia64 implementations to at most 2048 physical stacked registers (actually, slightly less than that, because loadrs also counts RNaT slots). Since we can dirty 93 stacked registers per recursion, we need to recurse RECURSION_DEPTH times to ensure all physical stacked registers are in use. */ #define MAX_PHYS_STACKED 2048 #define RECURSION_DEPTH ((MAX_PHYS_STACKED + 92) / 93) typedef int spill_func_t (long iteration, int (*next_func[])()); extern int loadup (long iteration, int *values, int (*next_func[])()); extern char resumption_point_label; #define DCL(n) \ extern int rbs_spill_##n (long iteration, int (*next_func[])()) DCL(2); DCL(3); DCL(4); DCL(5); DCL(6); DCL(7); DCL(8); DCL(9); DCL(10); DCL(11); DCL(12); DCL(13); DCL(14); DCL(15); DCL(16); DCL(17); DCL(18); DCL(19); DCL(20); DCL(21); DCL(22); DCL(23); DCL(24); DCL(25); DCL(26); DCL(27); DCL(28); DCL(29); DCL(30); DCL(31); DCL(32); DCL(33); DCL(34); DCL(35); DCL(36); DCL(37); DCL(38); DCL(39); DCL(40); DCL(41); DCL(42); DCL(43); DCL(44); DCL(45); DCL(46); DCL(47); DCL(48); DCL(49); DCL(50); DCL(51); DCL(52); DCL(53); DCL(54); DCL(55); DCL(56); DCL(57); DCL(58); DCL(59); DCL(60); DCL(61); DCL(62); DCL(63); DCL(64); DCL(65); DCL(66); DCL(67); DCL(68); DCL(69); DCL(70); DCL(71); DCL(72); DCL(73); DCL(74); DCL(75); DCL(76); DCL(77); DCL(78); DCL(79); DCL(80); DCL(81); DCL(82); DCL(83); DCL(84); DCL(85); DCL(86); DCL(87); DCL(88); DCL(89); DCL(90); DCL(91); DCL(92); DCL(93); DCL(94); #define SPL(n) rbs_spill_##n spill_func_t *spill_funcs[] = { SPL(2), SPL(3), SPL(4), SPL(5), SPL(6), SPL(7), SPL(8), SPL(9), SPL(10), SPL(11), SPL(12), SPL(13), SPL(14), SPL(15), SPL(16), SPL(17), SPL(18), SPL(19), SPL(20), SPL(21), SPL(22), SPL(23), SPL(24), SPL(25), SPL(26), SPL(27), SPL(28), SPL(29), SPL(30), SPL(31), SPL(32), SPL(33), SPL(34), SPL(35), SPL(36), SPL(37), SPL(38), SPL(39), SPL(40), SPL(41), SPL(42), SPL(43), SPL(44), SPL(45), SPL(46), SPL(47), SPL(48), SPL(49), SPL(50), SPL(51), SPL(52), SPL(53), SPL(54), SPL(55), SPL(56), SPL(57), SPL(58), SPL(59), SPL(60), SPL(61), SPL(62), SPL(63), SPL(64), SPL(65), SPL(66), SPL(67), SPL(68), SPL(69), SPL(70), SPL(71), SPL(72), SPL(73), SPL(74), SPL(75), SPL(76), SPL(77), SPL(78), SPL(79), SPL(80), SPL(81), SPL(82), SPL(83), SPL(84), SPL(85), SPL(86), SPL(87), SPL(88), SPL(89), SPL(90), SPL(91), SPL(92), SPL(93), SPL(94) }; static int verbose; static int nerrors; static int unwind_count; static int unwind_and_resume (long iteration, int (*next_func[])()) { unw_context_t uc; unw_cursor_t c; unw_word_t ip; int i, ret; if (verbose) printf (" %s(iteration=%ld, next_func=%p)\n", __FUNCTION__, iteration, next_func); unw_getcontext (&uc); if ((ret = unw_init_local (&c, &uc)) < 0) panic ("unw_init_local (ret=%d)", ret); for (i = 0; i < unwind_count; ++i) if ((ret = unw_step (&c)) < 0) panic ("unw_step (ret=%d)", ret); if (unw_get_reg (&c, UNW_REG_IP, &ip) < 0 || unw_set_reg (&c, UNW_REG_IP, (unw_word_t) &resumption_point_label) < 0 || unw_set_reg (&c, UNW_REG_EH + 0, 0) /* ret val */ || unw_set_reg (&c, UNW_REG_EH + 1, ip)) panic ("failed to redirect to resumption_point\n"); if (verbose) { unw_word_t bsp; if (unw_get_reg (&c, UNW_IA64_BSP, &bsp) < 0) panic ("unw_get_reg() failed\n"); printf (" bsp=%lx, old ip=%lx, new ip=%p\n", bsp, ip, &resumption_point_label); } ret = unw_resume (&c); panic ("unw_resume() returned (ret=%d)!!\n", ret); return 0; } static int run_check (int test) { int nfuncs, nspills, n, ret, i, reg_values[88]; spill_func_t *func[NSTACKS + 1]; /* First, generate a set of 88 random values which loadup() will load into loc2-loc89 (r37-r124). */ for (i = 0; i < (int) ARRAY_SIZE (reg_values); ++i) { reg_values[i] = random (); /* Generate NaTs with a reasonably probability (1/16th): */ if (reg_values[i] < 0x10000000) reg_values[i] = 0; } nspills = 0; nfuncs = 0; do { n = random () % (int) ARRAY_SIZE (spill_funcs); func[nfuncs++] = spill_funcs[n]; nspills += 2 + n; } while (nspills < 128); func[nfuncs++] = unwind_and_resume; unwind_count = 1 + (random () % (nfuncs + RECURSION_DEPTH - 1)); if (verbose) printf ("test%d: nfuncs=%d, unwind_count=%d\n", test, nfuncs, unwind_count); ret = loadup (RECURSION_DEPTH, reg_values, func); if (ret < 0) panic ("test%d: load() returned %d\n", test, ret); else if (ret != RECURSION_DEPTH + nfuncs - unwind_count) panic ("test%d: resumed wrong frame: expected %d, got %d\n", test, RECURSION_DEPTH + nfuncs - unwind_count, ret); return 0; } int main (int argc, char **argv) { int i; if (argc > 1) verbose = 1; for (i = 0; i < 100000; ++i) run_check (i + 1); if (nerrors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); return 0; } libunwind-1.3.2/tests/test-coredump-unwind.c0000644000175000017500000002154313640667603016054 00000000000000/* * Example program for unwinding core dumps. * * Compile a-la: * gcc -Os -Wall \ * -Wl,--start-group \ * -lunwind -lunwind-x86 -lunwind-coredump \ * example-core-unwind.c \ * -Wl,--end-group \ * -oexample-core-unwind * * Run: * eu-unstrip -n --core COREDUMP * figure out which virtual addresses in COREDUMP correspond to which mapped executable files * (binary and libraries), then supply them like this: * ./example-core-unwind COREDUMP 0x400000:/bin/crashed_program 0x3458600000:/lib/libc.so.6 [...] * * Note: Program eu-unstrip is part of elfutils, virtual addresses of shared * libraries can be determined by ldd (at least on linux). */ #include "compiler.h" #undef _GNU_SOURCE #define _GNU_SOURCE 1 #undef __USE_GNU #define __USE_GNU 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* For SIGSEGV handler code */ #include #include #include /* Utility logging functions */ enum { LOGMODE_NONE = 0, LOGMODE_STDIO = (1 << 0), LOGMODE_SYSLOG = (1 << 1), LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO, }; const char *msg_prefix = ""; const char *msg_eol = "\n"; int logmode = LOGMODE_STDIO; int xfunc_error_retval = EXIT_FAILURE; void xfunc_die(void) { exit(xfunc_error_retval); } static void verror_msg_helper(const char *s, va_list p, const char* strerr, int flags) { char *msg; int prefix_len, strerr_len, msgeol_len, used; if (!logmode) return; used = vasprintf(&msg, s, p); if (used < 0) return; /* This is ugly and costs +60 bytes compared to multiple * fprintf's, but is guaranteed to do a single write. * This is needed for e.g. when multiple children * can produce log messages simultaneously. */ prefix_len = msg_prefix[0] ? strlen(msg_prefix) + 2 : 0; strerr_len = strerr ? strlen(strerr) : 0; msgeol_len = strlen(msg_eol); /* +3 is for ": " before strerr and for terminating NUL */ char *msg1 = (char*) realloc(msg, prefix_len + used + strerr_len + msgeol_len + 3); if (!msg1) { free(msg); return; } msg = msg1; /* TODO: maybe use writev instead of memmoving? Need full_writev? */ if (prefix_len) { char *p; memmove(msg + prefix_len, msg, used); used += prefix_len; p = stpcpy(msg, msg_prefix); p[0] = ':'; p[1] = ' '; } if (strerr) { if (s[0]) { msg[used++] = ':'; msg[used++] = ' '; } strcpy(&msg[used], strerr); used += strerr_len; } strcpy(&msg[used], msg_eol); if (flags & LOGMODE_STDIO) { fflush(stdout); write(STDERR_FILENO, msg, used + msgeol_len); } msg[used] = '\0'; /* remove msg_eol (usually "\n") */ if (flags & LOGMODE_SYSLOG) { syslog(LOG_ERR, "%s", msg + prefix_len); } free(msg); } void log_msg(const char *s, ...) { va_list p; va_start(p, s); verror_msg_helper(s, p, NULL, logmode); va_end(p); } /* It's a macro, not function, since it collides with log() from math.h */ #undef log #define log(...) log_msg(__VA_ARGS__) void error_msg(const char *s, ...) { va_list p; va_start(p, s); verror_msg_helper(s, p, NULL, logmode); va_end(p); } void error_msg_and_die(const char *s, ...) { va_list p; va_start(p, s); verror_msg_helper(s, p, NULL, logmode); va_end(p); xfunc_die(); } void perror_msg(const char *s, ...) { va_list p; va_start(p, s); /* Guard against ": Success" */ verror_msg_helper(s, p, errno ? strerror(errno) : NULL, logmode); va_end(p); } void perror_msg_and_die(const char *s, ...) { va_list p; va_start(p, s); /* Guard against ": Success" */ verror_msg_helper(s, p, errno ? strerror(errno) : NULL, logmode); va_end(p); xfunc_die(); } void die_out_of_memory(void) { error_msg_and_die("Out of memory, exiting"); } /* End of utility logging functions */ static void handle_sigsegv(int sig, siginfo_t *info, void *ucontext) { long ip = 0; ucontext_t *uc UNUSED; uc = ucontext; #if defined(__linux__) #ifdef UNW_TARGET_X86 ip = uc->uc_mcontext.gregs[REG_EIP]; #elif defined(UNW_TARGET_X86_64) ip = uc->uc_mcontext.gregs[REG_RIP]; #elif defined(UNW_TARGET_ARM) ip = uc->uc_mcontext.arm_pc; #endif #elif defined(__FreeBSD__) #ifdef __i386__ ip = uc->uc_mcontext.mc_eip; #elif defined(__amd64__) ip = uc->uc_mcontext.mc_rip; #else #error Port me #endif #else #error Port me #endif dprintf(2, "signal:%d address:0x%lx ip:0x%lx\n", sig, /* this is void*, but using %p would print "(null)" * even for ptrs which are not exactly 0, but, say, 0x123: */ (long)info->si_addr, ip); { /* glibc extension */ void *array[50]; int size; size = backtrace(array, 50); #ifdef __linux__ backtrace_symbols_fd(array, size, 2); #endif } _exit(1); } static void install_sigsegv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = handle_sigsegv; sa.sa_flags = SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGILL, &sa, NULL); sigaction(SIGFPE, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } int main(int argc UNUSED, char **argv) { unw_addr_space_t as; struct UCD_info *ui; unw_cursor_t c; int ret; #define TEST_FRAMES 4 #define TEST_NAME_LEN 32 int testcase = 0; int test_cur = 0; long test_start_ips[TEST_FRAMES]; char test_names[TEST_FRAMES][TEST_NAME_LEN]; install_sigsegv_handler(); const char *progname = strrchr(argv[0], '/'); if (progname) progname++; else progname = argv[0]; if (!argv[1]) error_msg_and_die("Usage: %s COREDUMP [VADDR:BINARY_FILE]...", progname); msg_prefix = progname; as = unw_create_addr_space(&_UCD_accessors, 0); if (!as) error_msg_and_die("unw_create_addr_space() failed"); ui = _UCD_create(argv[1]); if (!ui) error_msg_and_die("_UCD_create('%s') failed", argv[1]); ret = unw_init_remote(&c, as, ui); if (ret < 0) error_msg_and_die("unw_init_remote() failed: ret=%d\n", ret); argv += 2; /* Enable checks for the crasher test program? */ if (*argv && !strcmp(*argv, "-testcase")) { testcase = 1; logmode = LOGMODE_NONE; argv++; } while (*argv) { char *colon; unsigned long vaddr = strtoul(*argv, &colon, 16); if (*colon != ':') error_msg_and_die("Bad format: '%s'", *argv); if (_UCD_add_backing_file_at_vaddr(ui, vaddr, colon + 1) < 0) error_msg_and_die("Can't add backing file '%s'", colon + 1); argv++; } for (;;) { unw_word_t ip; ret = unw_get_reg(&c, UNW_REG_IP, &ip); if (ret < 0) error_msg_and_die("unw_get_reg(UNW_REG_IP) failed: ret=%d\n", ret); unw_proc_info_t pi; ret = unw_get_proc_info(&c, &pi); if (ret < 0) error_msg_and_die("unw_get_proc_info(ip=0x%lx) failed: ret=%d\n", (long) ip, ret); if (!testcase) printf("\tip=0x%08lx proc=%08lx-%08lx handler=0x%08lx lsda=0x%08lx\n", (long) ip, (long) pi.start_ip, (long) pi.end_ip, (long) pi.handler, (long) pi.lsda); if (testcase && test_cur < TEST_FRAMES) { unw_word_t off; test_start_ips[test_cur] = (long) pi.start_ip; if (unw_get_proc_name(&c, test_names[test_cur], sizeof(test_names[0]), &off) != 0) { test_names[test_cur][0] = '\0'; } test_cur++; } log("step"); ret = unw_step(&c); log("step done:%d", ret); if (ret < 0) error_msg_and_die("FAILURE: unw_step() returned %d", ret); if (ret == 0) break; } log("stepping ended"); /* Check that the second and third frames are equal, but distinct of the * others */ if (testcase && (test_cur != 4 || test_start_ips[1] != test_start_ips[2] || test_start_ips[0] == test_start_ips[1] || test_start_ips[2] == test_start_ips[3] ) ) { fprintf(stderr, "FAILURE: start IPs incorrect\n"); return -1; } if (testcase && ( strcmp(test_names[0], "a") || strcmp(test_names[1], "b") || strcmp(test_names[2], "b") || strcmp(test_names[3], "main") ) ) { fprintf(stderr, "FAILURE: procedure names are missing/incorrect\n"); return -1; } _UCD_destroy(ui); unw_destroy_addr_space(as); return 0; } libunwind-1.3.2/tests/Gtest-resume-sig.c0000644000175000017500000001224113406755365015121 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Verify that unw_resume() restores the signal mask at proper time. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #include #include #include #include #include #include #include #ifdef HAVE_IA64INTRIN_H # include #endif #define panic(args...) \ do { fprintf (stderr, args); ++nerrors; } while (0) int verbose; int nerrors; int got_usr1, got_usr2; char *sigusr1_sp; uintptr_t get_bsp (void) { #if UNW_TARGET_IA64 # ifdef __INTEL_COMPILER return __getReg (_IA64_REG_AR_BSP); # else return (uintptr_t) __builtin_ia64_bsp (); # endif #else return 0; #endif } #ifdef TEST_WITH_SIGINFO void handler (int sig, siginfo_t *si UNUSED, void *ucontext UNUSED) #else void handler (int sig) #endif { unw_word_t ip; sigset_t mask; unw_context_t uc; unw_cursor_t c; char foo; int ret; // The test rely on SIGUSR2 mask to be cleared when the handler returns. // For local context from the signal handler, there doesn't seem to be a way // currently to set it so just clear the whole struct to make sure the signal mask is cleared. // This should probably be fixed to avoid signal mask being set to random values // by `unw_resume` if the context was not pre-zeroed., // Using the signal ucontext direction should also work automatically but currently doesn't // on ARM/AArch64 (or any other archs that doesn't have a proper sigreturn implementation) memset(&uc, 0x0, sizeof(uc)); #if UNW_TARGET_IA64 if (verbose) printf ("bsp = %llx\n", (unsigned long long) get_bsp ()); #endif if (verbose) printf ("got signal %d\n", sig); if (sig == SIGUSR1) { ++got_usr1; sigusr1_sp = &foo; sigemptyset (&mask); sigaddset (&mask, SIGUSR2); sigprocmask (SIG_BLOCK, &mask, NULL); kill (getpid (), SIGUSR2); /* pend SIGUSR2 */ signal (SIGUSR1, SIG_IGN); if ((ret = unw_getcontext (&uc)) < 0) panic ("unw_getcontext() failed: ret=%d\n", ret); if ((ret = unw_init_local (&c, &uc)) < 0) panic ("unw_init_local() failed: ret=%d\n", ret); if ((ret = unw_step (&c)) < 0) /* step to signal trampoline */ panic ("unw_step(1) failed: ret=%d\n", ret); if ((ret = unw_step (&c)) < 0) /* step to kill() */ panic ("unw_step(2) failed: ret=%d\n", ret); #if defined(UNW_TARGET_TILEGX) if ((ret = unw_step (&c)) < 0) /* step to signal trampoline */ panic ("unw_step(2) failed: ret=%d\n", ret); #endif if ((ret = unw_get_reg (&c, UNW_REG_IP, &ip)) < 0) panic ("unw_get_reg(IP) failed: ret=%d\n", ret); if (verbose) printf ("resuming at 0x%lx, with SIGUSR2 pending\n", (unsigned long) ip); unw_resume (&c); } else if (sig == SIGUSR2) { ++got_usr2; if (got_usr1) { if (verbose) printf ("OK: stack still at %p\n", &foo); } signal (SIGUSR2, SIG_IGN); } else panic ("Got unexpected signal %d\n", sig); } int main (int argc, char **argv UNUSED) { struct sigaction sa; float d = 1.0; int n = 0; if (argc > 1) verbose = 1; memset (&sa, 0, sizeof(sa)); #ifdef TEST_WITH_SIGINFO sa.sa_sigaction = handler; sa.sa_flags = SA_SIGINFO; #else sa.sa_handler = handler; #endif if (sigaction (SIGUSR1, &sa, NULL) != 0 || sigaction (SIGUSR2, &sa, NULL) != 0) { fprintf (stderr, "sigaction() failed: %s\n", strerror (errno)); return -1; } /* Use the FPU a bit; otherwise we get spurious errors should the signal handler need to use the FPU for any reason. This seems to happen on x86-64. */ while (d > 0.0) { d /= 2.0; ++n; } if (n > 9999) return -1; /* can't happen, but don't tell the compiler... */ if (verbose) printf ("sending SIGUSR1\n"); kill (getpid (), SIGUSR1); if (!got_usr2) panic ("failed to get SIGUSR2\n"); if (nerrors) { fprintf (stderr, "FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/test-static-link-loc.c0000644000175000017500000000527313406755365015736 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* The purpose of this program is simply to link in all libunwind-API functions both in their local-only and generic variants and to make sure that the final result can be linked statically. */ #include #define UNW_LOCAL_ONLY #include #include "compiler.h" extern int test_generic (void); int verbose; #ifdef UNW_REMOTE_ONLY int test_local (void) { return 0; } #else /* !UNW_REMOTE_ONLY */ static void *funcs[] = { (void *) &unw_get_reg, (void *) &unw_get_fpreg, (void *) &unw_set_reg, (void *) &unw_set_fpreg, (void *) &unw_resume, (void *) &unw_create_addr_space, (void *) &unw_destroy_addr_space, (void *) &unw_get_accessors, (void *) &unw_flush_cache, (void *) &unw_set_caching_policy, (void *) &unw_set_cache_size, (void *) &unw_regname, (void *) &unw_get_proc_info, (void *) &unw_get_save_loc, (void *) &unw_is_signal_frame, (void *) &unw_get_proc_name, (void *) &_U_dyn_register, (void *) &_U_dyn_cancel }; int test_local (void) { unw_context_t uc; unw_cursor_t c; if (verbose) printf (__FILE__": funcs[0]=%p\n", funcs[0]); unw_getcontext (&uc); unw_init_local (&c, &uc); unw_init_remote (&c, unw_local_addr_space, &uc); return unw_step (&c); } #endif /* !UNW_REMOTE_ONLY */ int main (int argc, char **argv UNUSED) { if (argc > 1) verbose = 1; if (test_local () < 0) return -1; if (test_generic () < 0) return -1; return 0; } libunwind-1.3.2/tests/Ltest-cxx-exceptions.cxx0000644000175000017500000000420613406556425016405 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010 stefan.demharter@gmx.net Copyright (C) 2010 arun.sharma@google.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include "compiler.h" #define panic(args...) \ { fprintf (stderr, args); exit (-1); } static int verbose; struct Test { public: // --- ctor/dtor --- Test() { ++counter_; } ~Test() { -- counter_; } Test(const Test&) { ++counter_; } public: // --- static members --- static int counter_; }; int Test::counter_ = 0; // Called by foo extern "C" void bar() { Test t; try { Test t; throw 5; } catch (...) { Test t; if (verbose) printf("Throwing an int\n"); throw 6; } } int main(int argc, char **argv UNUSED) { if (argc > 1) verbose = 1; try { Test t; bar(); } catch (int) { // Dtor of all Test-object has to be called. if (Test::counter_ != 0) panic("Counter non-zero\n"); return Test::counter_; } catch (...) { // An int was thrown - we should not get here. panic("Int was thrown why are we here?\n"); } exit(0); } libunwind-1.3.2/tests/Ltest-exc.c0000644000175000017500000000015213406556425013617 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-exc.c" #endif libunwind-1.3.2/tests/ia64-test-sig.c0000644000175000017500000000537513406556425014263 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This test uses the unwind interface to modify the IP in an ancestor frame while still returning to the parent frame. */ #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int verbose; static void sighandler (int signal) { unw_cursor_t cursor, cursor2; unw_word_t ip; unw_context_t uc; if (verbose) printf ("caught signal %d\n", signal); unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init() failed!\n"); /* get cursor for caller of sighandler: */ if (unw_step (&cursor) < 0) panic ("unw_step() failed!\n"); cursor2 = cursor; while (!unw_is_signal_frame (&cursor2)) if (unw_step (&cursor2) < 0) panic ("failed to find signal frame!\n"); if (unw_step (&cursor2) < 0) panic ("unw_step() failed!\n"); if (unw_get_reg (&cursor2, UNW_REG_IP, &ip) < 0) panic ("failed to get IP!\n"); /* skip faulting instruction (doesn't handle MLX template) */ ++ip; if ((ip & 0x3) == 0x3) ip += 13; if (unw_set_reg (&cursor2, UNW_REG_IP, ip) < 0) panic ("failed to set IP!\n"); unw_resume (&cursor); /* update context & return to caller of sighandler() */ panic ("unexpected return from unw_resume()!\n"); } static void doit (volatile char *p) { int ch; ch = *p; /* trigger SIGSEGV */ if (verbose) printf ("doit: finishing execution!\n"); } int main (int argc, char **argv) { if (argc > 1) verbose = 1; signal (SIGSEGV, sighandler); doit (0); if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/test-mem.c0000644000175000017500000000517713406556425013516 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2003 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "compiler.h" #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int verbose; static void do_backtrace (void) { unw_cursor_t cursor; unw_word_t ip, sp; unw_context_t uc; int ret; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); if (verbose) printf ("%016lx (sp=%016lx)\n", (long) ip, (long) sp); ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); panic ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); } } while (ret > 0); } int consume_some_stack_space (void) { unw_cursor_t cursor; unw_context_t uc; char string[1024]; memset (&cursor, 0, sizeof (cursor)); memset (&uc, 0, sizeof (uc)); return sprintf (string, "hello %p %p\n", &cursor, &uc); } int main (int argc, char **argv UNUSED) { struct rlimit rlim; verbose = argc > 1; if (consume_some_stack_space () > 9999) exit (-1); /* can't happen, but don't let the compiler know... */ rlim.rlim_cur = 0; rlim.rlim_max = RLIM_INFINITY; setrlimit (RLIMIT_DATA, &rlim); setrlimit (RLIMIT_AS, &rlim); do_backtrace (); return 0; } libunwind-1.3.2/tests/ident.c0000644000175000017500000000004413406556425013052 00000000000000long f (long val) { return val; } libunwind-1.3.2/tests/Ltest-concurrent.c0000644000175000017500000000016113406556425015222 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-concurrent.c" #endif libunwind-1.3.2/tests/test-init-remote.c0000644000175000017500000000530013406556425015160 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Copyright (c) 2002 Hewlett-Packard Co. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This test simply verifies that unw_init_remote() can be used in lieu of unw_init_local(). This was broken for a while on ia64. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } int verbose; static int do_backtrace (void) { char buf[512], name[256]; unw_word_t ip, sp, off; unw_cursor_t cursor; unw_context_t uc; int ret; unw_getcontext (&uc); if (unw_init_remote (&cursor, unw_local_addr_space, &uc) < 0) panic ("unw_init_remote failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); unw_get_reg (&cursor, UNW_REG_SP, &sp); buf[0] = '\0'; if (unw_get_proc_name (&cursor, name, sizeof (name), &off) == 0) { if (off) snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off); else snprintf (buf, sizeof (buf), "<%s>", name); } if (verbose) printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp); ret = unw_step (&cursor); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); printf ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); return -1; } } while (ret > 0); return 0; } static int foo (void) { return do_backtrace (); } int main (int argc, char **argv UNUSED) { verbose = (argc > 1); if (verbose) printf ("Normal backtrace:\n"); return foo (); } libunwind-1.3.2/tests/ia64-test-rbs.h0000644000175000017500000000013613406556425014262 00000000000000#define NSTACKS 128 #define STACK_SIZE_SHIFT 17 #define STACK_SIZE (1 << STACK_SIZE_SHIFT) libunwind-1.3.2/tests/Gtest-trace.c0000644000175000017500000001775513406755365014156 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2010, 2011 by FERMI NATIONAL ACCELERATOR LABORATORY Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "compiler.h" #include #if HAVE_EXECINFO_H # include #else extern int backtrace (void **, int); #endif #include #include #include #include #include #include #include #define panic(args...) \ { fprintf (stderr, args); exit (-1); } #define SIG_STACK_SIZE 0x100000 int verbose; int num_errors; /* These variables are global because they * cause the signal stack to overflow */ char buf[512], name[256]; void *addresses[3][128]; unw_cursor_t cursor; unw_context_t uc; static void do_backtrace (void) { unw_word_t ip; int ret = -UNW_ENOINFO; int depth = 0; int i, n, m; if (verbose) printf ("\tnormal trace:\n"); unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) panic ("unw_init_local failed!\n"); do { unw_get_reg (&cursor, UNW_REG_IP, &ip); addresses[0][depth] = (void *) ip; } while ((ret = unw_step (&cursor)) > 0 && ++depth < 128); if (ret < 0) { unw_get_reg (&cursor, UNW_REG_IP, &ip); printf ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, (long) ip); ++num_errors; } if (verbose) for (i = 0; i < depth; ++i) printf ("\t #%-3d ip=%p\n", i, addresses[0][i]); if (verbose) printf ("\n\tvia backtrace():\n"); n = backtrace (addresses[1], 128); if (verbose) for (i = 0; i < n; ++i) printf ("\t #%-3d ip=%p\n", i, addresses[1][i]); if (verbose) printf ("\n\tvia unw_backtrace():\n"); m = unw_backtrace (addresses[2], 128); if (verbose) for (i = 0; i < m; ++i) printf ("\t #%-3d ip=%p\n", i, addresses[2][i]); if (m != depth+1) { printf ("FAILURE: unw_step() loop and unw_backtrace() depths differ: %d vs. %d\n", depth, m); ++num_errors; } if (n != depth+1) { printf ("FAILURE: unw_step() loop and backtrace() depths differ: %d vs. %d\n", depth, n); ++num_errors; } if (n == m) for (i = 1; i < n; ++i) /* Allow one in difference in comparison, trace returns adjusted addresses. */ if (labs((unw_word_t) addresses[1][i] - (unw_word_t) addresses[2][i]) > 1) { printf ("FAILURE: backtrace() and unw_backtrace() addresses differ at %d: %p vs. %p\n", i, addresses[1][i], addresses[2][i]); ++num_errors; } if (n == depth+1) for (i = 1; i < depth; ++i) /* Allow one in difference in comparison, trace returns adjusted addresses. */ if (labs((unw_word_t) addresses[0][i] - (unw_word_t) addresses[1][i]) > 1) { printf ("FAILURE: unw_step() loop and backtrace() addresses differ at %d: %p vs. %p\n", i, addresses[0][i], addresses[1][i]); ++num_errors; } } void foo (long val UNUSED) { do_backtrace (); } void bar (long v) { extern long f (long); int arr[v]; /* This is a vain attempt to use up lots of registers to force the frame-chain info to be saved on the memory stack on ia64. It happens to work with gcc v3.3.4 and gcc v3.4.1 but perhaps not with any other compiler. */ foo (f (arr[0]) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + (f (v) + f (v)) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ))))))))))))))))))))))))))))))))))))))))))))))))))))))); } void sighandler (int signal, void *siginfo UNUSED, void *context) { ucontext_t *uc UNUSED; int sp; uc = context; if (verbose) { printf ("sighandler: got signal %d, sp=%p", signal, &sp); #if UNW_TARGET_IA64 # if defined(__linux__) printf (" @ %lx", uc->uc_mcontext.sc_ip); # else { uint16_t reason; uint64_t ip; __uc_get_reason (uc, &reason); __uc_get_ip (uc, &ip); printf (" @ %lx (reason=%d)", ip, reason); } # endif #elif UNW_TARGET_X86 #if defined __linux__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.gregs[REG_EIP]); #elif defined __FreeBSD__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.mc_eip); #endif #elif UNW_TARGET_X86_64 #if defined __linux__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.gregs[REG_RIP]); #elif defined __FreeBSD__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.mc_rip); #endif #elif defined UNW_TARGET_ARM #if defined __linux__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.arm_pc); #elif defined __FreeBSD__ printf (" @ %lx", (unsigned long) uc->uc_mcontext.__gregs[_REG_PC]); #endif #endif printf ("\n"); } do_backtrace(); } int main (int argc, char **argv UNUSED) { struct sigaction act; stack_t stk; verbose = (argc > 1); if (verbose) printf ("Normal backtrace:\n"); bar (1); memset (&act, 0, sizeof (act)); act.sa_handler = (void (*)(int)) sighandler; act.sa_flags = SA_SIGINFO; if (sigaction (SIGTERM, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); if (verbose) printf ("\nBacktrace across signal handler:\n"); kill (getpid (), SIGTERM); if (verbose) printf ("\nBacktrace across signal handler on alternate stack:\n"); stk.ss_sp = malloc (SIG_STACK_SIZE); if (!stk.ss_sp) panic ("failed to allocate %u bytes\n", SIG_STACK_SIZE); stk.ss_size = SIG_STACK_SIZE; stk.ss_flags = 0; if (sigaltstack (&stk, NULL) < 0) panic ("sigaltstack: %s\n", strerror (errno)); memset (&act, 0, sizeof (act)); act.sa_handler = (void (*)(int)) sighandler; act.sa_flags = SA_ONSTACK | SA_SIGINFO; if (sigaction (SIGTERM, &act, NULL) < 0) panic ("sigaction: %s\n", strerror (errno)); kill (getpid (), SIGTERM); if (num_errors > 0) { fprintf (stderr, "FAILURE: detected %d errors\n", num_errors); exit (-1); } if (verbose) printf ("SUCCESS.\n"); signal (SIGTERM, SIG_DFL); stk.ss_flags = SS_DISABLE; sigaltstack (&stk, NULL); free (stk.ss_sp); return 0; } libunwind-1.3.2/tests/test-ptrace.c0000644000175000017500000002136613406755365014220 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #ifdef HAVE_TTRACE int main (void) { printf ("FAILURE: ttrace() not supported yet\n"); return -1; } #else /* !HAVE_TTRACE */ #include #include #include #include #include #include #include #include #include #include extern char **environ; static const int nerrors_max = 100; int nerrors; int verbose; int print_names = 1; enum { INSTRUCTION, SYSCALL, TRIGGER } trace_mode = SYSCALL; #define panic(args...) \ do { fprintf (stderr, args); ++nerrors; } while (0) static unw_addr_space_t as; static struct UPT_info *ui; static int killed; void do_backtrace (void) { unw_word_t ip, sp, start_ip = 0, off; int n = 0, ret; unw_proc_info_t pi; unw_cursor_t c; char buf[512]; size_t len; ret = unw_init_remote (&c, as, ui); if (ret < 0) panic ("unw_init_remote() failed: ret=%d\n", ret); do { if ((ret = unw_get_reg (&c, UNW_REG_IP, &ip)) < 0 || (ret = unw_get_reg (&c, UNW_REG_SP, &sp)) < 0) panic ("unw_get_reg/unw_get_proc_name() failed: ret=%d\n", ret); if (n == 0) start_ip = ip; buf[0] = '\0'; if (print_names) unw_get_proc_name (&c, buf, sizeof (buf), &off); if (verbose) { if (off) { len = strlen (buf); if (len >= sizeof (buf) - 32) len = sizeof (buf) - 32; sprintf (buf + len, "+0x%lx", (unsigned long) off); } printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp); } if ((ret = unw_get_proc_info (&c, &pi)) < 0) panic ("unw_get_proc_info(ip=0x%lx) failed: ret=%d\n", (long) ip, ret); else if (verbose) printf ("\tproc=%016lx-%016lx\n\thandler=%lx lsda=%lx", (long) pi.start_ip, (long) pi.end_ip, (long) pi.handler, (long) pi.lsda); #if UNW_TARGET_IA64 { unw_word_t bsp; if ((ret = unw_get_reg (&c, UNW_IA64_BSP, &bsp)) < 0) panic ("unw_get_reg() failed: ret=%d\n", ret); else if (verbose) printf (" bsp=%lx", bsp); } #endif if (verbose) printf ("\n"); ret = unw_step (&c); if (ret < 0) { unw_get_reg (&c, UNW_REG_IP, &ip); panic ("FAILURE: unw_step() returned %d for ip=%lx (start ip=%lx)\n", ret, (long) ip, (long) start_ip); } if (++n > 64) { /* guard against bad unwind info in old libraries... */ panic ("too deeply nested---assuming bogus unwind (start ip=%lx)\n", (long) start_ip); break; } if (nerrors > nerrors_max) { panic ("Too many errors (%d)!\n", nerrors); break; } } while (ret > 0); if (ret < 0) panic ("unwind failed with ret=%d\n", ret); if (verbose) printf ("================\n\n"); } static pid_t target_pid; static void target_pid_kill (void) { kill (target_pid, SIGKILL); } int main (int argc, char **argv) { int status, pid, pending_sig, optind = 1, state = 1; as = unw_create_addr_space (&_UPT_accessors, 0); if (!as) panic ("unw_create_addr_space() failed"); if (argc == 1) { static char *args[] = { "self", "/bin/ls", "/usr", NULL }; /* automated test case */ argv = args; /* Unless the args array is 'walked' the child process is unable to access it and dies with a segfault */ fprintf(stderr, "Automated test (%s,%s,%s,%s)\n", args[0],args[1],args[2],args[3]); } else if (argc > 1) while (argv[optind][0] == '-') { if (strcmp (argv[optind], "-v") == 0) ++optind, verbose = 1; else if (strcmp (argv[optind], "-i") == 0) ++optind, trace_mode = INSTRUCTION; /* backtrace at each insn */ else if (strcmp (argv[optind], "-s") == 0) ++optind, trace_mode = SYSCALL; /* backtrace at each syscall */ else if (strcmp (argv[optind], "-t") == 0) /* Execute until raise(SIGUSR1), then backtrace at each insn until raise(SIGUSR2). */ ++optind, trace_mode = TRIGGER; else if (strcmp (argv[optind], "-c") == 0) /* Enable caching of unwind-info. */ ++optind, unw_set_caching_policy (as, UNW_CACHE_GLOBAL); else if (strcmp (argv[optind], "-n") == 0) /* Don't look-up and print symbol names. */ ++optind, print_names = 0; else fprintf(stderr, "unrecognized option: %s\n", argv[optind++]); if (optind >= argc) break; } target_pid = fork (); if (!target_pid) { /* child */ if (!verbose) dup2 (open ("/dev/null", O_WRONLY), 1); #if HAVE_DECL_PTRACE_TRACEME ptrace (PTRACE_TRACEME, 0, 0, 0); #elif HAVE_DECL_PT_TRACE_ME ptrace (PT_TRACE_ME, 0, 0, 0); #else #error Trace me #endif if ((argc > 1) && (optind == argc)) { fprintf(stderr, "Need to specify a command line for the child\n"); exit (-1); } execve (argv[optind], argv + optind, environ); _exit (-1); } atexit (target_pid_kill); ui = _UPT_create (target_pid); while (nerrors <= nerrors_max) { pid = wait4 (-1, &status, 0, NULL); if (pid == -1) { if (errno == EINTR) continue; panic ("wait4() failed (errno=%d)\n", errno); } pending_sig = 0; if (WIFSIGNALED (status) || WIFEXITED (status) || (WIFSTOPPED (status) && WSTOPSIG (status) != SIGTRAP)) { if (WIFEXITED (status)) { if (WEXITSTATUS (status) != 0) panic ("child's exit status %d\n", WEXITSTATUS (status)); break; } else if (WIFSIGNALED (status)) { if (!killed) panic ("child terminated by signal %d\n", WTERMSIG (status)); break; } else { pending_sig = WSTOPSIG (status); /* Avoid deadlock: */ if (WSTOPSIG (status) == SIGKILL) break; if (trace_mode == TRIGGER) { if (WSTOPSIG (status) == SIGUSR1) state = 0; else if (WSTOPSIG (status) == SIGUSR2) state = 1; } if (WSTOPSIG (status) != SIGUSR1 && WSTOPSIG (status) != SIGUSR2) { static int count = 0; if (count++ > 100) { panic ("Too many child unexpected signals (now %d)\n", WSTOPSIG (status)); killed = 1; } } } } switch (trace_mode) { case TRIGGER: if (state) #if HAVE_DECL_PTRACE_CONT ptrace (PTRACE_CONT, target_pid, 0, 0); #elif HAVE_DECL_PT_CONTINUE ptrace (PT_CONTINUE, target_pid, (caddr_t)1, 0); #else #error Port me #endif else { do_backtrace (); #if HAVE_DECL_PTRACE_SINGLESTEP if (ptrace (PTRACE_SINGLESTEP, target_pid, 0, pending_sig) < 0) { panic ("ptrace(PTRACE_SINGLESTEP) failed (errno=%d)\n", errno); killed = 1; } #elif HAVE_DECL_PT_STEP if (ptrace (PT_STEP, target_pid, (caddr_t)1, pending_sig) < 0) { panic ("ptrace(PT_STEP) failed (errno=%d)\n", errno); killed = 1; } #else #error Singlestep me #endif } break; case SYSCALL: if (!state) do_backtrace (); state ^= 1; #if HAVE_DECL_PTRACE_SYSCALL ptrace (PTRACE_SYSCALL, target_pid, 0, pending_sig); #elif HAVE_DECL_PT_SYSCALL ptrace (PT_SYSCALL, target_pid, (caddr_t)1, pending_sig); #else #error Syscall me #endif break; case INSTRUCTION: do_backtrace (); #if HAVE_DECL_PTRACE_SINGLESTEP ptrace (PTRACE_SINGLESTEP, target_pid, 0, pending_sig); #elif HAVE_DECL_PT_STEP ptrace (PT_STEP, target_pid, (caddr_t)1, pending_sig); #else #error Singlestep me #endif break; } if (killed) kill (target_pid, SIGKILL); } _UPT_destroy (ui); unw_destroy_addr_space (as); if (nerrors) { printf ("FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS\n"); return 0; } #endif /* !HAVE_TTRACE */ libunwind-1.3.2/tests/forker.c0000644000175000017500000000444513576510054013244 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include int main (int argc, char **argv, char **envp) { char *program, **child_argv; struct timeval start, stop; double secs; int status, i; long count; pid_t pid; count = atol (argv[1]); program = argv[2]; child_argv = alloca ((argc - 1) * sizeof (char *)); for (i = 0; i < argc - 2; ++i) child_argv[i] = argv[2 + i]; child_argv[i] = NULL; gettimeofday (&start, NULL); for (i = 0; i < count; ++i) { pid = fork (); if (pid == 0) { execve (program, child_argv, envp); _exit (-1); } else { waitpid (pid, &status, 0); if (!WIFEXITED (status) || WEXITSTATUS (status) != 0) { fprintf (stderr, "%s: child failed\n", argv[0]); exit (-1); } } } gettimeofday (&stop, NULL); secs = ((stop.tv_sec + 1e-6 * stop.tv_usec) - (start.tv_sec + 1e-6 * start.tv_usec)); printf ("%lu nsec/execution\n", (unsigned long) (1e9 * secs / (double) count)); return 0; } libunwind-1.3.2/tests/Ltest-nomalloc.c0000644000175000017500000000015713406556425014651 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-nomalloc.c" #endif libunwind-1.3.2/tests/Gia64-test-stack.c0000644000175000017500000001243613406556425014711 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This file tests corner-cases of unwinding across multiple stacks. In particular, it verifies that the extreme case with a frame of 96 stacked registers that are all backed up by separate stacks works as expected. */ #include #include #include #include "ia64-test-stack.h" #define panic(args...) \ { printf (args); ++nerrors; } /* The loadrs field in ar.rsc is 14 bits wide, which limits all ia64 implementations to at most 2048 physical stacked registers (actually, slightly less than that, because loadrs also counts RNaT slots). Since we can dirty 95 stacked registers per recursion, we need to recurse RECURSION_DEPTH times to ensure all physical stacked registers are in use. */ #define MAX_PHYS_STACKED 2048 #define RECURSION_DEPTH ((MAX_PHYS_STACKED + 94) / 95) extern void touch_all (unsigned long recursion_depth); extern void flushrs (void); int nerrors; int verbose; void do_unwind_tests (void) { unw_word_t ip, sp, bsp, v0, v1, v2, v3, n0, n1, n2, n3, cfm, sof, sol, r32; int ret, reg, i, l; unw_context_t uc; unw_cursor_t c; if (verbose) printf ("do_unwind_tests: here we go!\n"); /* do a full stack-dump: */ unw_getcontext (&uc); unw_init_local (&c, &uc); i = 0; do { if (verbose) { if ((ret = unw_get_reg (&c, UNW_IA64_IP, &ip)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_SP, &sp)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_BSP, &bsp)) < 0) break; printf ("ip=0x%16lx sp=0x%16lx bsp=0x%16lx\n", ip, sp, bsp); for (reg = 32; reg < 128; reg += 4) { v0 = v1 = v2 = v3 = 0; n0 = n1 = n2 = n3 = 0; (void) ((ret = unw_get_reg (&c, UNW_IA64_GR + reg, &v0)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_NAT + reg, &n0)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 1, &v1)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 1, &n1)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 2, &v2)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 2, &n2)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_GR + reg + 3, &v3)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_NAT + reg + 3, &n3)) < 0); if (reg < 100) printf (" r%d", reg); else printf (" r%d", reg); printf (" %c%016lx %c%016lx %c%016lx %c%016lx\n", n0 ? '*' : ' ', v0, n1 ? '*' : ' ', v1, n2 ? '*' : ' ', v2, n3 ? '*' : ' ', v3); if (ret < 0) break; } } if (i >= 1 && i <= NSTACKS) { if ((ret = unw_get_reg (&c, UNW_IA64_CFM, &cfm)) < 0) break; sof = cfm & 0x7f; if (sof != (unw_word_t) (i & 1)) panic ("\texpected sof=%d, found sof=%lu\n", i - 1, sof); if (sof == 1) { if ((ret = unw_get_reg (&c, UNW_IA64_GR + 32, &r32)) < 0) break; if (r32 != (unw_word_t) (i - 1)) panic ("\texpected r32=%d, found r32=%lu\n", i - 1, r32); } } else if (i > NSTACKS && i <= NSTACKS + RECURSION_DEPTH) { if ((ret = unw_get_reg (&c, UNW_IA64_CFM, &cfm)) < 0) break; sof = cfm & 0x7f; sol = (cfm >> 7) & 0x7f; if (sof != 96) panic ("\texpected sof=96, found sof=%lu\n", sof); if (sol != 95) panic ("\texpected sol=95, found sol=%lu\n", sol); for (l = 2; l <= 93; ++l) { if ((ret = unw_get_reg (&c, UNW_IA64_GR + 33 + l, &v0)) < 0 || (ret = unw_get_reg (&c, UNW_IA64_NAT + 33 + l, &n0)) < 0) break; switch (l) { case 2: case 31: case 73: case 93: if (!n0) panic ("\texpected loc%d to be a NaT!\n", l); break; default: if (n0) panic ("\tloc%d is unexpectedly a NaT!\n", l); v1 = ((unw_word_t) (i - NSTACKS) << 32) + l; if (v0 != v1) panic ("\tloc%d expected to be %lx, found to be %lx\n", l, v1, v0); } } } ++i; } while ((ret = unw_step (&c)) > 0); if (ret < 0) panic ("libunwind returned %d\n", ret); } int main (int argc, char **argv) { if (argc > 1) ++verbose; touch_all (RECURSION_DEPTH); if (nerrors) { printf ("FAILURE: detected %d errors\n", nerrors); exit (-1); } if (verbose) printf ("SUCCESS\n"); return 0; } libunwind-1.3.2/tests/Ltest-init.cxx0000644000175000017500000000015513406556425014366 00000000000000#define UNW_LOCAL_ONLY #include #if !defined(UNW_REMOTE_ONLY) #include "Gtest-init.cxx" #endif libunwind-1.3.2/tests/Gtest-exc.c0000644000175000017500000000714013406556425013616 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2001-2004 Hewlett-Packard Co Contributed by David Mosberger-Tang Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This illustrates the basics of using the unwind interface for exception handling. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #ifdef HAVE_IA64INTRIN_H # include #endif #define panic(args...) \ { ++nerrors; fprintf (stderr, args); } int nerrors = 0; int verbose = 0; int depth = 13; volatile int got_here = 0; extern void b (int); void raise_exception (void) { unw_cursor_t cursor; unw_context_t uc; int i; unw_getcontext (&uc); if (unw_init_local (&cursor, &uc) < 0) { panic ("unw_init_local() failed!\n"); return; } /* unwind to top-most frame a(), skipping over b() and raise_exception(): */ for (i = 0; i < depth + 2; ++i) if (unw_step (&cursor) < 0) { panic ("unw_step() failed!\n"); return; } unw_resume (&cursor); /* transfer control to exception handler */ } uintptr_t get_bsp (void) { #if UNW_TARGET_IA64 # ifdef __INTEL_COMPILER return __getReg (_IA64_REG_AR_BSP); # else return (uintptr_t) __builtin_ia64_bsp (); # endif #else return 0; #endif } int a (int n) { long stack; int result = 99; if (verbose) printf ("a(n=%d): sp=%p bsp=0x%lx\n", n, &stack, (unsigned long) get_bsp ()); if (n > 0) a (n - 1); else b (16); if (verbose) { printf ("exception handler: here we go (sp=%p, bsp=0x%lx)...\n", &stack, (unsigned long) get_bsp ()); /* This call works around a bug in gcc (up-to pre3.4) which causes invalid assembly code to be generated when __builtin_ia64_bsp() gets predicated. */ getpid (); } if (n == depth) { result = 0; got_here = 1; } return result; } void b (int n) { if ((n & 1) == 0) { if (verbose) printf ("b(n=%d) calling raise_exception()\n", n); raise_exception (); } panic ("FAILURE: b() returned from raise_exception()!!\n"); } int main (int argc, char **argv) { int result; if (argc > 1) { ++verbose; depth = atol (argv[1]); if (depth < 1) { fprintf (stderr, "Usage: %s depth\n" " depth must be >= 1\n", argv[0]); exit (-1); } } result = a (depth); if (result != 0 || !got_here || nerrors > 0) { fprintf (stderr, "FAILURE: test failed: result=%d got_here=%d nerrors=%d\n", result, got_here, nerrors); exit (-1); } if (verbose) printf ("SUCCESS!\n"); return 0; } libunwind-1.3.2/tests/ia64-test-stack-asm.S0000644000175000017500000001247213406556425015340 00000000000000/* libunwind - a platform-independent unwind library Copyright (C) 2003 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "ia64-test-stack.h" .common stackmem, NSTACKS*STACK_SIZE, 16 .global do_unwind_tests .text #define SAVED_SP_OFF 0 #define SAVED_RP_OFF 8 #define SAVED_PFS_OFF 16 #define SAVED_RNAT_OFF 24 #define SAVED_BSP_OFF 32 #define SAVED_BSPSTORE_OFF 40 #define FRAME_SIZE 48 .proc stack_it stack_it: .prologue alloc r18 = ar.pfs, 0, 0, 0, 0 // read ar.pfs // first, calculate address of new stack: addl r2 = @ltoff(stackmem), gp shl r3 = r8, STACK_SIZE_SHIFT ;; ld8 r2 = [r2] // r2 = &stackmem ;; add r2 = r2, r3 // r2 = stackmem[iteration] ;; addl r3 = STACK_SIZE-FRAME_SIZE, r2 // r3 = &stackframe ;; st8 [r3] = sp .vframesp SAVED_SP_OFF+16 adds sp = -16, r3 // switch the memory stack ;; adds r3 = (SAVED_RP_OFF - SAVED_SP_OFF), r3 mov r16 = rp ;; .savesp rp, SAVED_RP_OFF+16 st8 [r3] = r16, (SAVED_PFS_OFF - SAVED_RP_OFF) ;; .savesp ar.pfs, SAVED_PFS_OFF+16 st8 [r3] = r18, (SAVED_BSP_OFF - SAVED_PFS_OFF) mov r16 = ar.bsp mov r17 = ar.bspstore mov r18 = ar.rnat ;; .savesp ar.bsp, SAVED_BSP_OFF+16 st8 [r3] = r16, (SAVED_BSPSTORE_OFF - SAVED_BSP_OFF) ;; .savesp ar.bspstore, SAVED_BSPSTORE_OFF+16 st8 [r3] = r17, (SAVED_RNAT_OFF - SAVED_BSPSTORE_OFF) ;; .savesp ar.rnat, SAVED_RNAT_OFF+16 st8 [r3] = r18 ;; mov ar.bspstore = r2 // switch the backing store .body // for even iterations, allocate a local variable: tbit.nz p6, p0 = r8, 0 (p6) br.cond.sptk.few .skip ;; alloc r2 = ar.pfs, 0, 1, 0, 0 mov loc0 = r8 ;; .skip: cmp.ne p6, p7 = 0, r8 ;; { .mbb (p6) adds r8 = -1, r8 (p6) br.call.sptk.many rp = stack_it // next iteration (p7) br.call.sptk.many rp = do_unwind_tests // time for introspection... } // switch back to stack: adds r3 = SAVED_SP_OFF+16, sp ;; ld8 r16 = [r3], (SAVED_RP_OFF-SAVED_SP_OFF);; // saved sp ld8 r17 = [r3], (SAVED_PFS_OFF-SAVED_RP_OFF);; // saved rp ld8 r18 = [r3], (SAVED_RNAT_OFF-SAVED_PFS_OFF);; // saved pfs ld8 r19 = [r3], (SAVED_BSP_OFF-SAVED_RNAT_OFF);; // saved rnat ld8 r20 = [r3], (SAVED_BSPSTORE_OFF-SAVED_BSP_OFF);; // saved bsp ld8 r21 = [r3];; // saved bspstore mov rp = r17 mov ar.pfs = r18 mov ar.bspstore = r21 // this also restores ar.bsp ;; mov ar.rnat = r19 .restore sp mov sp = r16 br.ret.sptk.many rp .endp stack_it #define SET_LOC(n) add loc##n = n, r8 #define SET_NAT(n) ld8.s loc##n = [r0] .global touch_all .proc touch_all touch_all: .prologue .save ar.pfs, r34 alloc loc1 = ar.pfs, 1, 94, 1, 0 .save rp, loc0 mov loc0 = rp .body mov ar.rsc = 0 // put RSE into enforced lazy mode shl r8 = in0, 32 // store iteration # in top 32 bits add out0 = -1, in0 cmp.eq p6, p7 = 1, in0 ;; SET_LOC( 2); SET_LOC( 3) SET_LOC( 4); SET_LOC( 5); SET_LOC( 6); SET_LOC( 7) SET_LOC( 8); SET_LOC( 9); SET_LOC(10); SET_LOC(11) SET_LOC(12); SET_LOC(13); SET_LOC(14); SET_LOC(15) SET_LOC(16); SET_LOC(17); SET_LOC(18); SET_LOC(19) SET_LOC(20); SET_LOC(21); SET_LOC(22); SET_LOC(23) SET_LOC(24); SET_LOC(25); SET_LOC(26); SET_LOC(27) SET_LOC(28); SET_LOC(29); SET_LOC(30); SET_LOC(31) SET_LOC(32); SET_LOC(33); SET_LOC(34); SET_LOC(35) SET_LOC(36); SET_LOC(37); SET_LOC(38); SET_LOC(39) SET_LOC(40); SET_LOC(41); SET_LOC(42); SET_LOC(43) SET_LOC(44); SET_LOC(45); SET_LOC(46); SET_LOC(47) SET_LOC(48); SET_LOC(49); SET_LOC(50); SET_LOC(51) SET_LOC(52); SET_LOC(53); SET_LOC(54); SET_LOC(55) SET_LOC(56); SET_LOC(57); SET_LOC(58); SET_LOC(59) SET_LOC(60); SET_LOC(61); SET_LOC(62); SET_LOC(63) SET_LOC(64); SET_LOC(65); SET_LOC(66); SET_LOC(67) SET_LOC(68); SET_LOC(69); SET_LOC(70); SET_LOC(71) SET_LOC(72); SET_LOC(73); SET_LOC(74); SET_LOC(75) SET_LOC(76); SET_LOC(77); SET_LOC(78); SET_LOC(79) SET_LOC(80); SET_LOC(81); SET_LOC(82); SET_LOC(83) SET_LOC(84); SET_LOC(85); SET_LOC(86); SET_LOC(87) SET_LOC(88); SET_LOC(89); SET_LOC(90); SET_LOC(91) SET_LOC(92); SET_LOC(93) ;; SET_NAT(2); SET_NAT(31); SET_NAT(73); SET_NAT(93) ;; { .mbb mov r8=NSTACKS-1 (p6) br.call.sptk.many rp = stack_it (p7) br.call.sptk.many rp = touch_all } ;; mov rp = loc0 mov ar.pfs = loc1 br.ret.sptk.many rp .endp touch_all #ifdef __linux__ /* We do not need executable stack. */ .section .note.GNU-stack,"",@progbits #endif libunwind-1.3.2/doc/0000755000175000017500000000000013640673451011267 500000000000000libunwind-1.3.2/doc/unw_getcontext.man0000644000175000017500000000355613406556425014773 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GETCONTEXT" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_getcontext \-\- get initial machine\-state .PP .SH SYNOPSIS .PP #include .br .PP int unw_getcontext(unw_context_t *ucp); .br .PP .SH DESCRIPTION .PP The unw_getcontext() routine initializes the context structure pointed to by ucp with the machine\-state of the call\-site. The exact set of registers stored by unw_getcontext() is platform\-specific, but, in general, at least all preserved (``callee\-saved\&'') and all frame\-related registers, such as the stack\-pointer, will be stored. .PP This routine is normally implemented as a macro and applications should not attempt to take its address. .PP .SH PLATFORM\-SPECIFIC NOTES .PP On IA\-64, unw_context_t has a layout that is compatible with that of ucontext_t and such structures can be initialized with getcontext() instead of unw_getcontext(). However, the reverse is \fInot\fP true and it is \fInot\fP safe to use structures initialized by unw_getcontext() in places where a structure initialized by getcontext() is expected. The reason for this asymmetry is that unw_getcontext() is optimized for maximum performance and does not, for example, save the signal mask. .PP .SH RETURN VALUE .PP On successful completion, unw_getcontext() returns 0. Otherwise, a value of \-1 is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_getcontext() is thread\-safe as well as safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind(3), unw_init_local(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_init_local.man0000644000175000017500000000521113406755365014716 00000000000000'\" t .\" Manual page created with latex2man on Wed Aug 16 12:11:05 PDT 2017 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_INIT\\_LOCAL" "3" "16 August 2017" "Programming Library " "Programming Library " .SH NAME unw_init_local \-\- initialize cursor for local unwinding .PP .SH SYNOPSIS .PP #include .br .PP int unw_init_local(unw_cursor_t *c, unw_context_t *ctxt); .br int unw_init_local2(unw_cursor_t *c, unw_context_t *ctxt, int flag); .br .PP .SH DESCRIPTION .PP The unw_init_local() routine initializes the unwind cursor pointed to by c with the machine\-state in the context structure pointed to by ctxt\&. As such, the machine\-state pointed to by ctxt identifies the initial stack frame at which unwinding starts. The machine\-state is expected to be one provided by a call to unw_getcontext; as such, the instruction pointer may point to the instruction after the last instruction of a function, and libunwind will back\-up the instruction pointer before beginning a walk up the call stack. The machine\-state must remain valid for the duration for which the cursor c is in use. .PP The unw_init_local() routine can be used only for unwinding in the address space of the current process (i.e., for local unwinding). For all other cases, unw_init_remote() must be used instead. However, unwind performance may be better when using unw_init_local(). Also, unw_init_local() is available even when UNW_LOCAL_ONLY has been defined before including , whereas unw_init_remote() is not. .PP If the unw_context_t is known to be a signal frame (i.e., from the third argument in a sigaction handler on linux), unw_init_local2() should be used for correct initialization on some platforms, passing the UNW_INIT_SIGNAL_FRAME flag. .PP .SH RETURN VALUE .PP On successful completion, unw_init_local() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_init_local() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EINVAL unw_init_local() was called in a version of libunwind which supports remote unwinding only (this normally happens when calling unw_init_local() for a cross\-platform version of libunwind). .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG A register needed by unw_init_local() wasn\&'t accessible. .PP .SH SEE ALSO .PP libunwind(3), unw_init_remote(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_reg_states_iterate.tex0000644000175000017500000000641413406755365016511 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_reg\_states\_iterate}{David Mosberger-Tang}{Programming Library}{unw\_reg\_states\_iterate}unw\_reg\_states\_iterate -- get register state info on current procedure \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_reg\_states\_iterate}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_reg\_states\_callback}\Var{cb}, \Type{void~*}\Var{token});\\ \section{Description} The \Func{unw\_reg\_states\_iterate}() routine provides information about the procedure that created the stack frame identified by argument \Var{cp}. The \Var{cb} argument is a pointer to a function of type \Type{unw\_reg\_states\_callback} which is used to return the information. The function \Type{unw\_reg\_states\_callback} has the following definition: \Type{int} (~*\Var{unw\_reg\_states\_callback})(\Type{void~*}\Var{token}, \Type{void~*}\Var{reg\_states\_data}, \Type{size\_t} \Var{reg\_states\_data\_size}, \Type{unw\_word\_t} \Var{start\_ip}, \Type{unw\_word\_t} \Var{end\_ip}); The callback function may be invoked several times for each call of \Func{unw\_reg\_states\_iterate}. Each call is associcated with a instruction address range and a set of instructions on how to update register values when returning from the procedure in that address range. For each invocation, the arguments to the callback function are: \begin{description} \item[\Type{void~*} \Var{token}] The token value passed to \Var{unw\_reg\_states\_callback}. \\ \item[\Type{void~*} \Var{reg\_states\_data}] A pointer to data about updating register values. This data, or a copy of it, can be passed to \Var{unw\_apply\_reg\_state}.\\ \item[\Type{int} \Var{reg\_states\_data\_size}] The size of the register update data. \\ \item[\Type{unw\_word\_t} \Var{start\_ip}] The address of the first instruction of the address range. \\ \item[\Type{unw\_word\_t} \Var{end\_ip}] The address of the first instruction \emph{beyond} the end of the address range. \\ \end{description} \section{Return Value} On successful completion, \Func{unw\_reg\_states\_iterate}() returns 0. If the callback function returns a nonzero value, that indicates failure and the function returns immediately. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_reg\_states\_iterate}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate unwind-info for the procedure. \item[\Const{UNW\_EBADVERSION}] The unwind-info for the procedure has version or format that is not understood by \Prog{libunwind}. \end{Description} In addition, \Func{unw\_reg\_states\_iterate}() may return any error returned by the \Func{access\_mem}() call-back (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_apply\_reg\_state(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_regname.tex0000644000175000017500000000225213406556425014242 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_regname}{David Mosberger-Tang}{Programming Library}{unw\_regname}unw\_regname -- get register name \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{const char~*}\Func{unw\_regname}(\Type{unw\_regnum\_t} \Var{regnum});\\ \section{Description} The \Func{unw\_regname}() routine returns a printable name for register \Var{regnum}. If \Var{regnum} is an invalid or otherwise unrecognized register number, a string consisting of three question marks is returned. The returned string is statically allocated and therefore guaranteed to remain valid until the application terminates. \section{Return Value} The \Func{unw\_regname}() routine cannot fail and always returns a valid (non-\Const{NULL}) string. \section{Thread and Signal Safety} The \Func{unw\_regname}() routine is thread-safe as well as safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_reg.tex0000644000175000017500000000456713406556425014253 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_reg}{David Mosberger-Tang}{Programming Library}{unw\_get\_reg}unw\_get\_reg -- get register contents \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_get\_reg}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_regnum\_t} \Var{reg}, \Type{unw\_word\_t~*}\Var{valp});\\ \section{Description} The \Func{unw\_get\_reg}() routine reads the value of register \Var{reg} in the stack frame identified by cursor \Var{cp} and stores the value in the word pointed to by \Var{valp}. The register numbering is target-dependent and described in separate manual pages (e.g., libunwind-ia64(3) for the IA-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that \Var{cp} is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee-saved'') registers and frame-related registers (such as the stack-pointer). However, for signal frames (see \Func{unw\_is\_signal\_frame}(3)), it is usually possible to access all registers. Note that \Func{unw\_get\_reg}() can only read the contents of registers whose values fit in a single word. See \Func{unw\_get\_fpreg}(3) for a way to read registers which do not fit this constraint. \section{Return Value} On successful completion, \Func{unw\_get\_reg}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_get\_reg}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] An attempt was made to read a register that is either invalid or not accessible in the current frame. \end{Description} In addition, \Func{unw\_get\_reg}() may return any error returned by the \Func{access\_mem}(), \Func{access\_reg}(), and \Func{access\_fpreg}() call-backs (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{libunwind-ia64(3)}, \SeeAlso{unw\_get\_fpreg(3)}, \SeeAlso{unw\_is\_signal\_frame(3)}, \SeeAlso{unw\_set\_reg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_fpreg.tex0000644000175000017500000000466313406556425014576 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_fpreg}{David Mosberger-Tang}{Programming Library}{unw\_get\_fpreg}unw\_get\_fpreg -- get contents of floating-point register \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_get\_fpreg}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_regnum\_t} \Var{reg}, \Type{unw\_fpreg\_t~*}\Var{valp});\\ \section{Description} The \Func{unw\_get\_fpreg}() routine reads the value of floating-point register \Var{reg} in the stack frame identified by cursor \Var{cp} and stores the value in the variable pointed to by \Var{valp}. The register numbering is target-dependent and described in separate manual pages (e.g., libunwind-ia64(3) for the IA-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that \Var{cp} is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee-saved'') registers and frame-related registers (such as the stack-pointer). However, for signal frames (see \Func{unw\_is\_signal\_frame}(3)), it is usually possible to access all registers. Note that \Func{unw\_get\_fpreg}() can only read the contents of floating-point registers. See \Func{unw\_get\_fpreg}(3) for a way to read registers which fit in a single word. \section{Return Value} On successful completion, \Func{unw\_get\_fpreg}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_get\_fpreg}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] An attempt was made to read a register that is either invalid or not accessible in the current frame. \end{Description} In addition, \Func{unw\_get\_fpreg}() may return any error returned by the \Func{access\_mem}(), \Func{access\_reg}(), and \Func{access\_fpreg}() call-backs (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{libunwind-ia64(3)}, \SeeAlso{unw\_get\_reg(3)}, \SeeAlso{unw\_is\_fpreg(3)}, \SeeAlso{unw\_is\_signal\_frame(3)}, \SeeAlso{unw\_set\_fpreg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_fpreg.man0000644000175000017500000000437013406556425014544 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_FPREG" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_fpreg \-\- get contents of floating\-point register .PP .SH SYNOPSIS .PP #include .br .PP int unw_get_fpreg(unw_cursor_t *cp, unw_regnum_t reg, unw_fpreg_t *valp); .br .PP .SH DESCRIPTION .PP The unw_get_fpreg() routine reads the value of floating\-point register reg in the stack frame identified by cursor cp and stores the value in the variable pointed to by valp\&. .PP The register numbering is target\-dependent and described in separate manual pages (e.g., libunwind\-ia64(3) for the IA\-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that cp is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee\-saved\&'') registers and frame\-related registers (such as the stack\-pointer). However, for signal frames (see unw_is_signal_frame(3)), it is usually possible to access all registers. .PP Note that unw_get_fpreg() can only read the contents of floating\-point registers. See unw_get_fpreg(3) for a way to read registers which fit in a single word. .PP .SH RETURN VALUE .PP On successful completion, unw_get_fpreg() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_get_fpreg() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG An attempt was made to read a register that is either invalid or not accessible in the current frame. .PP In addition, unw_get_fpreg() may return any error returned by the access_mem(), access_reg(), and access_fpreg() call\-backs (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), libunwind\-ia64(3), unw_get_reg(3), unw_is_fpreg(3), unw_is_signal_frame(3), unw_set_fpreg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_destroy_addr_space.tex0000644000175000017500000000201513406556425016457 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_destroy\_addr\_space}{David Mosberger-Tang}{Programming Library}{unw\_destroy\_addr\_space}unw\_destroy\_addr\_space -- destroy unwind address space \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{void} \Func{unw\_destroy\_addr\_space}(\Type{unw\_addr\_space\_t} \Var{as});\\ \section{Description} The \Func{unw\_destroy\_addr\_space}() routine destroys the address space specified by argument \Var{as} and thereby releases all associated resources (such as memory). Applications must not destroy the local address space \Var{unw\_local\_addr\_space}. Attempting to do so results in undefined behavior (e.g., the application may crash). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/libunwind-ptrace.man0000644000175000017500000001141713406556425015160 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "LIBUNWIND\-PTRACE" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME libunwind\-ptrace \-\- ptrace() support in libunwind .PP .SH SYNOPSIS .PP #include .br .PP unw_accessors_t _UPT_accessors; .br .PP void *_UPT_create(pid_t); .br void _UPT_destroy(void *); .br .PP int _UPT_find_proc_info(unw_addr_space_t, unw_word_t, unw_proc_info_t *, int, void *); .br void _UPT_put_unwind_info(unw_addr_space_t, unw_proc_info_t *, void *); .br int _UPT_get_dyn_info_list_addr(unw_addr_space_t, unw_word_t *, void *); .br int _UPT_access_mem(unw_addr_space_t, unw_word_t, unw_word_t *, int, void *); .br int _UPT_access_reg(unw_addr_space_t, unw_regnum_t, unw_word_t *, int, void *); .br int _UPT_access_fpreg(unw_addr_space_t, unw_regnum_t, unw_fpreg_t *, int, void *); .br int _UPT_get_proc_name(unw_addr_space_t, unw_word_t, char *, size_t, unw_word_t *, void *); .br int _UPT_resume(unw_addr_space_t, unw_cursor_t *, void *); .br .PP .SH DESCRIPTION .PP The ptrace(2) system\-call makes it possible for a process to gain access to the machine\-state and virtual memory of \fIanother\fP process. With the right set of call\-back routines, it is therefore possible to hook up libunwind to another process via ptrace(2). While it\&'s not very difficult to do so directly, libunwind further facilitates this task by providing ready\-to\-use callbacks for this purpose. The routines and variables implementing this facility use a name\-prefix of _UPT, which is stands for ``unwind\-via\-ptrace\&''\&. .PP An application that wants to use the _UPT\-facility first needs to create a new libunwind address\-space that represents the target process. This is done by calling unw_create_addr_space(). In many cases, the application will simply want to pass the address of _UPT_accessors as the first argument to this routine. Doing so will ensure that libunwind will be able to properly unwind the target process. However, in special circumstances, an application may prefer to use only portions of the _UPT\-facility. For this reason, the individual callback routines (_UPT_find_proc_info(), _UPT_put_unwind_info(), etc.) are also available for direct use. Of course, the addresses of these routines could also be picked up from _UPT_accessors, but doing so would prevent static initialization. Also, when using _UPT_accessors, \fIall\fP the callback routines will be linked into the application, even if they are never actually called. .PP Next, the application can turn on ptrace\-mode on the target process, either by forking a new process, invoking PTRACE_TRACEME, and then starting the target program (via execve(2)), or by directly attaching to an already running process (via PTRACE_ATTACH). Either way, once the process\-ID (pid) of the target process is known, a _UPT\-info\-structure can be created by calling _UPT_create(), passing the pid of the target process as the only argument. The returned void\-pointer then needs to be passed as the ``argument\&'' pointer (third argument) to unw_init_remote(). .PP The _UPT_resume() routine can be used to resume execution of the target process. It simply invokes ptrace(2) with a command value of PTRACE_CONT\&. .PP When the application is done using libunwind on the target process, _UPT_destroy() needs to be called, passing it the void\-pointer that was returned by the corresponding call to _UPT_create(). This ensures that all memory and other resources are freed up. .PP .SH AVAILABILITY .PP Since ptrace(2) works within a single machine only, the _UPT\-facility by definition is not available in libunwind\-versions configured for cross\-unwinding. .PP .SH THREAD SAFETY .PP The _UPT\-facility assumes that a single _UPT\-info structure is never shared between threads. Because of this, no explicit locking is used. As long as only one thread uses a _UPT\-info structure at any given time, this facility is thread\-safe. .PP .SH RETURN VALUE .PP _UPT_create() may return a NULL pointer if it fails to create the _UPT\-info\-structure for any reason. For the current implementation, the only reason this call may fail is when the system is out of memory. .PP .SH FILES .PP .TP libunwind\-ptrace.h Headerfile to include when using the interface defined by this library. .TP \fB\-l\fPunwind\-ptrace \fB\-l\fPunwind\-generic Linker\-switches to add when building a program that uses the functions defined by this library. .PP .SH SEE ALSO .PP execve(2), libunwind(3), ptrace(2) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/libunwind-setjmp.tex0000644000175000017500000000635313406556425015234 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{libunwind-setjmp}{David Mosberger-Tang}{Programming Library}{libunwind-based non-local gotos}libunwind-setjmp -- libunwind-based non-local gotos \end{Name} \section{Synopsis} \File{\#include $<$setjmp.h$>$}\\ \noindent \Type{int} \Func{setjmp}(\Type{jmp\_buf}~\Var{env});\\ \Type{void} \Func{longjmp}(\Type{jmp\_buf}~\Var{env}, \Type{int}~\Var{val});\\ \Type{int} \Func{\_setjmp}(\Type{jmp\_buf}~\Var{env});\\ \Type{void} \Func{\_longjmp}(\Type{jmp\_buf}~\Var{env}, \Type{int}~\Var{val});\\ \Type{int} \Func{sigsetjmp}(\Type{sigjmp\_buf}~\Var{env}, \Type{int}~\Var{savemask});\\ \Type{void} \Func{siglongjmp}(\Type{sigjmp\_buf}~\Var{env}, \Type{int}~\Var{val});\\ \section{Description} The \Prog{unwind-setjmp} library offers a \Prog{libunwind}-based implementation of non-local gotos. This implementation is intended to be a drop-in replacement for the normal, system-provided routines of the same name. The main advantage of using the \Prog{unwind-setjmp} library is that setting up a non-local goto via one of the \Func{setjmp}() routines is very fast. Typically, just 2 or 3 words need to be saved in the jump-buffer (plus one call to \Func{sigprocmask}(2), in the case of \Func{sigsetjmp}). On the other hand, executing a non-local goto by calling one of the \Func{longjmp}() routines tends to be much slower than with the system-provided routines. In fact, the time spent on a \Func{longjmp}() will be proportional to the number of call frames that exist between the points where \Func{setjmp}() and \Func{longjmp}() were called. For this reason, the \Prog{unwind-setjmp} library is beneficial primarily in applications that frequently call \Func{setjmp}() but only rarely call \Func{longjmp}(). \section{Caveats} \begin{itemize} \item The correct operation of this library depends on the presence of correct unwind information. On newer platforms, this is rarely an issue. On older platforms, care needs to be taken to ensure that each of the functions whose stack frames may have to be unwound during a \Func{longjmp}() have correct unwind information (on those platforms, there is usually a compiler-switch, such as \Opt{-funwind-tables}, to request the generation of unwind information). \item The contents of \Type{jmp\_buf} and \Type{sigjmp\_buf} as setup and used by these routines is completely different from the ones used by the system-provided routines. Thus, a jump-buffer created by the libunwind-based \Func{setjmp}()/\Func{\_setjmp} may only be used in a call to the libunwind-based \Func{longjmp}()/\Func{\_longjmp}(). The analogous applies for \Type{sigjmp\_buf} with \Func{sigsetjmp}() and \Func{siglongjmp}(). \end{itemize} \section{Files} \begin{Description} \item[\Opt{-l}\File{unwind-setjmp}] The library an application should be linked against to ensure it uses the libunwind-based non-local goto routines. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, setjmp(3), longjmp(3), \_setjmp(3), \_longjmp(3), sigsetjmp(3), siglongjmp(3) \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/Makefile.in0000644000175000017500000004350013640673441013255 00000000000000# Makefile.in generated by automake 1.16.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2018 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as 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@top_build_prefix@ top_builddir = @top_builddir@ top_srcdir = @top_srcdir@ # man pages that go into section 3: man3_MANS = libunwind.man libunwind-dynamic.man libunwind-ia64.man \ libunwind-ptrace.man libunwind-setjmp.man \ unw_apply_reg_state.man \ unw_backtrace.man \ unw_flush_cache.man \ unw_get_accessors.man \ unw_get_proc_info.man \ unw_get_proc_info_by_ip.man \ unw_get_proc_name.man \ unw_get_fpreg.man \ unw_get_reg.man \ unw_getcontext.man \ unw_init_local.man unw_init_remote.man \ unw_init_local2.man \ unw_is_fpreg.man \ unw_is_signal_frame.man \ unw_create_addr_space.man \ unw_destroy_addr_space.man \ unw_regname.man unw_resume.man \ unw_reg_states_iterate.man \ unw_set_caching_policy.man \ unw_set_cache_size.man \ unw_set_fpreg.man \ unw_set_reg.man \ unw_step.man \ unw_strerror.man \ _U_dyn_register.man \ _U_dyn_cancel.man EXTRA_DIST = NOTES libunwind.trans \ libunwind.tex libunwind-dynamic.tex libunwind-ia64.tex \ libunwind-ptrace.tex libunwind-setjmp.tex \ 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least) may be exceeded. .NOEXPORT: libunwind-1.3.2/doc/libunwind-dynamic.tex0000644000175000017500000004500413406556425015352 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{libunwind-dynamic}{David Mosberger-Tang}{Programming Library}{Introduction to dynamic unwind-info}libunwind-dynamic -- libunwind-support for runtime-generated code \end{Name} \section{Introduction} For \Prog{libunwind} to do its job, it needs to be able to reconstruct the \emph{frame state} of each frame in a call-chain. The frame state describes the subset of the machine-state that consists of the \emph{frame registers} (typically the instruction-pointer and the stack-pointer) and all callee-saved registers (preserved registers). The frame state describes each register either by providing its current value (for frame registers) or by providing the location at which the current value is stored (callee-saved registers). For statically generated code, the compiler normally takes care of emitting \emph{unwind-info} which provides the minimum amount of information needed to reconstruct the frame-state for each instruction in a procedure. For dynamically generated code, the runtime code generator must use the dynamic unwind-info interface provided by \Prog{libunwind} to supply the equivalent information. This manual page describes the format of this information in detail. For the purpose of this discussion, a \emph{procedure} is defined to be an arbitrary piece of \emph{contiguous} code. Normally, each procedure directly corresponds to a function in the source-language but this is not strictly required. For example, a runtime code-generator could translate a given function into two separate (discontiguous) procedures: one for frequently-executed (hot) code and one for rarely-executed (cold) code. Similarly, simple source-language functions (usually leaf functions) may get translated into code for which the default unwind-conventions apply and for such code, it is not strictly necessary to register dynamic unwind-info. A procedure logically consists of a sequence of \emph{regions}. Regions are nested in the sense that the frame state at the end of one region is, by default, assumed to be the frame state for the next region. Each region is thought of as being divided into a \emph{prologue}, a \emph{body}, and an \emph{epilogue}. Each of them can be empty. If non-empty, the prologue sets up the frame state for the body. For example, the prologue may need to allocate some space on the stack and save certain callee-saved registers. The body performs the actual work of the procedure but does not change the frame state in any way. If non-empty, the epilogue restores the previous frame state and as such it undoes or cancels the effect of the prologue. In fact, a single epilogue may undo the effect of the prologues of several (nested) regions. We should point out that even though the prologue, body, and epilogue are logically separate entities, optimizing code-generators will generally interleave instructions from all three entities. For this reason, the dynamic unwind-info interface of \Prog{libunwind} makes no distinction whatsoever between prologue and body. Similarly, the exact set of instructions that make up an epilogue is also irrelevant. The only point in the epilogue that needs to be described explicitly by the dynamic unwind-info is the point at which the stack-pointer gets restored. The reason this point needs to be described is that once the stack-pointer is restored, all values saved in the deallocated portion of the stack frame become invalid and hence \Prog{libunwind} needs to know about it. The portion of the frame state not saved on the stack is assume to remain valid through the end of the region. For this reason, there is usually no need to describe instructions which restore the contents of callee-saved registers. Within a region, each instruction that affects the frame state in some fashion needs to be described with an operation descriptor. For this purpose, each instruction in the region is assigned a unique index. Exactly how this index is derived depends on the architecture. For example, on RISC and EPIC-style architecture, instructions have a fixed size so it's possible to simply number the instructions. In contrast, most CISC use variable-length instruction encodings, so it is usually necessary to use a byte-offset as the index. Given the instruction index, the operation descriptor specifies the effect of the instruction in an abstract manner. For example, it might express that the instruction stores calle-saved register \Var{r1} at offset 16 in the stack frame. \section{Procedures} A runtime code-generator registers the dynamic unwind-info of a procedure by setting up a structure of type \Type{unw\_dyn\_info\_t} and calling \Func{\_U\_dyn\_register}(), passing the address of the structure as the sole argument. The members of the \Type{unw\_dyn\_info\_t} structure are described below: \begin{itemize} \item[\Type{void~*}next] Private to \Prog{libunwind}. Must not be used by the application. \item[\Type{void~*}prev] Private to \Prog{libunwind}. Must not be used by the application. \item[\Type{unw\_word\_t} \Var{start\_ip}] The start-address of the instructions of the procedure (remember: procedure are defined to be contiguous pieces of code, so a single code-range is sufficient). \item[\Type{unw\_word\_t} \Var{end\_ip}] The end-address of the instructions of the procedure (non-inclusive, that is, \Var{end\_ip}-\Var{start\_ip} is the size of the procedure in bytes). \item[\Type{unw\_word\_t} \Var{gp}] The global-pointer value in use for this procedure. The exact meaing of the global-pointer is architecture-specific and on some architecture, it is not used at all. \item[\Type{int32\_t} \Var{format}] The format of the unwind-info. This member can be one of \Const{UNW\_INFO\_FORMAT\_DYNAMIC}, \Const{UNW\_INFO\_FORMAT\_TABLE}, or \Const{UNW\_INFO\_FORMAT\_REMOTE\_TABLE}. \item[\Type{union} \Var{u}] This union contains one sub-member structure for every possible unwind-info format: \begin{description} \item[\Type{unw\_dyn\_proc\_info\_t} \Var{pi}] This member is used for format \Const{UNW\_INFO\_FORMAT\_DYNAMIC}. \item[\Type{unw\_dyn\_table\_info\_t} \Var{ti}] This member is used for format \Const{UNW\_INFO\_FORMAT\_TABLE}. \item[\Type{unw\_dyn\_remote\_table\_info\_t} \Var{rti}] This member is used for format \Const{UNW\_INFO\_FORMAT\_REMOTE\_TABLE}. \end{description}\ The format of these sub-members is described in detail below. \end{itemize} \subsection{Proc-info format} This is the preferred dynamic unwind-info format and it is generally the one used by full-blown runtime code-generators. In this format, the details of a procedure are described by a structure of type \Type{unw\_dyn\_proc\_info\_t}. This structure contains the following members: \begin{description} \item[\Type{unw\_word\_t} \Var{name\_ptr}] The address of a (human-readable) name of the procedure or 0 if no such name is available. If non-zero, The string stored at this address must be ASCII NUL terminated. For source languages that use name-mangling (such as C++ or Java) the string stored at this address should be the \emph{demangled} version of the name. \item[\Type{unw\_word\_t} \Var{handler}] The address of the personality-routine for this procedure. Personality-routines are used in conjunction with exception handling. See the C++ ABI draft (http://www.codesourcery.com/cxx-abi/) for an overview and a description of the personality routine. If the procedure has no personality routine, \Var{handler} must be set to 0. \item[\Type{uint32\_t} \Var{flags}] A bitmask of flags. At the moment, no flags have been defined and this member must be set to 0. \item[\Type{unw\_dyn\_region\_info\_t~*}\Var{regions}] A NULL-terminated linked list of region-descriptors. See section ``Region descriptors'' below for more details. \end{description} \subsection{Table-info format} This format is generally used when the dynamically generated code was derived from static code and the unwind-info for the dynamic and the static versions is identical. For example, this format can be useful when loading statically-generated code into an address-space in a non-standard fashion (i.e., through some means other than \Func{dlopen}()). In this format, the details of a group of procedures is described by a structure of type \Type{unw\_dyn\_table\_info}. This structure contains the following members: \begin{description} \item[\Type{unw\_word\_t} \Var{name\_ptr}] The address of a (human-readable) name of the procedure or 0 if no such name is available. If non-zero, The string stored at this address must be ASCII NUL terminated. For source languages that use name-mangling (such as C++ or Java) the string stored at this address should be the \emph{demangled} version of the name. \item[\Type{unw\_word\_t} \Var{segbase}] The segment-base value that needs to be added to the segment-relative values stored in the unwind-info. The exact meaning of this value is architecture-specific. \item[\Type{unw\_word\_t} \Var{table\_len}] The length of the unwind-info (\Var{table\_data}) counted in units of words (\Type{unw\_word\_t}). \item[\Type{unw\_word\_t} \Var{table\_data}] A pointer to the actual data encoding the unwind-info. The exact format is architecture-specific (see architecture-specific sections below). \end{description} \subsection{Remote table-info format} The remote table-info format has the same basic purpose as the regular table-info format. The only difference is that when \Prog{libunwind} uses the unwind-info, it will keep the table data in the target address-space (which may be remote). Consequently, the type of the \Var{table\_data} member is \Type{unw\_word\_t} rather than a pointer. This implies that \Prog{libunwind} will have to access the table-data via the address-space's \Func{access\_mem}() call-back, rather than through a direct memory reference. From the point of view of a runtime-code generator, the remote table-info format offers no advantage and it is expected that such generators will describe their procedures either with the proc-info format or the normal table-info format. The main reason that the remote table-info format exists is to enable the address-space-specific \Func{find\_proc\_info}() callback (see \SeeAlso{unw\_create\_addr\_space}(3)) to return unwind tables whose data remains in remote memory. This can speed up unwinding (e.g., for a debugger) because it reduces the amount of data that needs to be loaded from remote memory. \section{Regions descriptors} A region descriptor is a variable length structure that describes how each instruction in the region affects the frame state. Of course, most instructions in a region usualy do not change the frame state and for those, nothing needs to be recorded in the region descriptor. A region descriptor is a structure of type \Type{unw\_dyn\_region\_info\_t} and has the following members: \begin{description} \item[\Type{unw\_dyn\_region\_info\_t~*}\Var{next}] A pointer to the next region. If this is the last region, \Var{next} is \Const{NULL}. \item[\Type{int32\_t} \Var{insn\_count}] The length of the region in instructions. Each instruction is assumed to have a fixed size (see architecture-specific sections for details). The value of \Var{insn\_count} may be negative in the last region of a procedure (i.e., it may be negative only if \Var{next} is \Const{NULL}). A negative value indicates that the region covers the last \emph{N} instructions of the procedure, where \emph{N} is the absolute value of \Var{insn\_count}. \item[\Type{uint32\_t} \Var{op\_count}] The (allocated) length of the \Var{op\_count} array. \item[\Type{unw\_dyn\_op\_t} \Var{op}] An array of dynamic unwind directives. See Section ``Dynamic unwind directives'' for a description of the directives. \end{description} A region descriptor with an \Var{insn\_count} of zero is an \emph{empty region} and such regions are perfectly legal. In fact, empty regions can be useful to establish a particular frame state before the start of another region. A single region list can be shared across multiple procedures provided those procedures share a common prologue and epilogue (their bodies may differ, of course). Normally, such procedures consist of a canned prologue, the body, and a canned epilogue. This could be described by two regions: one covering the prologue and one covering the epilogue. Since the body length is variable, the latter region would need to specify a negative value in \Var{insn\_count} such that \Prog{libunwind} knows that the region covers the end of the procedure (up to the address specified by \Var{end\_ip}). The region descriptor is a variable length structure to make it possible to allocate all the necessary memory with a single memory-allocation request. To facilitate the allocation of a region descriptors \Prog{libunwind} provides a helper routine with the following synopsis: \noindent \Type{size\_t} \Func{\_U\_dyn\_region\_size}(\Type{int} \Var{op\_count}); This routine returns the number of bytes needed to hold a region descriptor with space for \Var{op\_count} unwind directives. Note that the length of the \Var{op} array does not have to match exactly with the number of directives in a region. Instead, it is sufficient if the \Var{op} array contains at least as many entries as there are directives, since the end of the directives can always be indicated with the \Const{UNW\_DYN\_STOP} directive. \section{Dynamic unwind directives} A dynamic unwind directive describes how the frame state changes at a particular point within a region. The description is in the form of a structure of type \Type{unw\_dyn\_op\_t}. This structure has the following members: \begin{description} \item[\Type{int8\_t} \Var{tag}] The operation tag. Must be one of the \Type{unw\_dyn\_operation\_t} values described below. \item[\Type{int8\_t} \Var{qp}] The qualifying predicate that controls whether or not this directive is active. This is useful for predicated architecturs such as IA-64 or ARM, where the contents of another (callee-saved) register determines whether or not an instruction is executed (takes effect). If the directive is always active, this member should be set to the manifest constant \Const{\_U\_QP\_TRUE} (this constant is defined for all architectures, predicated or not). \item[\Type{int16\_t} \Var{reg}] The number of the register affected by the instruction. \item[\Type{int32\_t} \Var{when}] The region-relative number of the instruction to which this directive applies. For example, a value of 0 means that the effect described by this directive has taken place once the first instruction in the region has executed. \item[\Type{unw\_word\_t} \Var{val}] The value to be applied by the operation tag. The exact meaning of this value varies by tag. See Section ``Operation tags'' below. \end{description} It is perfectly legitimate to specify multiple dynamic unwind directives with the same \Var{when} value, if a particular instruction has a complex effect on the frame state. Empty regions by definition contain no actual instructions and as such the directives are not tied to a particular instruction. By convention, the \Var{when} member should be set to 0, however. There is no need for the dynamic unwind directives to appear in order of increasing \Var{when} values. If the directives happen to be sorted in that order, it may result in slightly faster execution, but a runtime code-generator should not go to extra lengths just to ensure that the directives are sorted. IMPLEMENTATION NOTE: should \Prog{libunwind} implementations for certain architectures prefer the list of unwind directives to be sorted, it is recommended that such implementations first check whether the list happens to be sorted already and, if not, sort the directives explicitly before the first use. With this approach, the overhead of explicit sorting is only paid when there is a real benefit and if the runtime code-generator happens to generated sorted lists naturally, the performance penalty is limited to a simple O(N) check. \subsection{Operations tags} The possible operation tags are defined by enumeration type \Type{unw\_dyn\_operation\_t} which defines the following values: \begin{description} \item[\Const{UNW\_DYN\_STOP}] Marks the end of the dynamic unwind directive list. All remaining entries in the \Var{op} array of the region-descriptor are ignored. This tag is guaranteed to have a value of 0. \item[\Const{UNW\_DYN\_SAVE\_REG}] Marks an instruction which saves register \Var{reg} to register \Var{val}. \item[\Const{UNW\_DYN\_SPILL\_FP\_REL}] Marks an instruction which spills register \Var{reg} to a frame-pointer-relative location. The frame-pointer-relative offset is given by the value stored in member \Var{val}. See the architecture-specific sections for a description of the stack frame layout. \item[\Const{UNW\_DYN\_SPILL\_SP\_REL}] Marks an instruction which spills register \Var{reg} to a stack-pointer-relative location. The stack-pointer-relative offset is given by the value stored in member \Var{val}. See the architecture-specific sections for a description of the stack frame layout. \item[\Const{UNW\_DYN\_ADD}] Marks an instruction which adds the constant value \Var{val} to register \Var{reg}. To add subtract a constant value, store the two's-complement of the value in \Var{val}. The set of registers that can be specified for this tag is described in the architecture-specific sections below. \item[\Const{UNW\_DYN\_POP\_FRAMES}] \item[\Const{UNW\_DYN\_LABEL\_STATE}] \item[\Const{UNW\_DYN\_COPY\_STATE}] \item[\Const{UNW\_DYN\_ALIAS}] \end{description} unw\_dyn\_op\_t \_U\_dyn\_op\_save\_reg(); \_U\_dyn\_op\_spill\_fp\_rel(); \_U\_dyn\_op\_spill\_sp\_rel(); \_U\_dyn\_op\_add(); \_U\_dyn\_op\_pop\_frames(); \_U\_dyn\_op\_label\_state(); \_U\_dyn\_op\_copy\_state(); \_U\_dyn\_op\_alias(); \_U\_dyn\_op\_stop(); \section{IA-64 specifics} - meaning of segbase member in table-info/table-remote-info format - format of table\_data in table-info/table-remote-info format - instruction size: each bundle is counted as 3 instructions, regardless of template (MLX) - describe stack-frame layout, especially with regards to sp-relative and fp-relative addressing - UNW\_DYN\_ADD can only add to ``sp'' (always a negative value); use POP\_FRAMES otherwise \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{\_U\_dyn\_register(3)}, \SeeAlso{\_U\_dyn\_cancel(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_proc_info.man0000644000175000017500000001111113406556425015406 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_PROC\\_INFO" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_proc_info \-\- get info on current procedure .PP .SH SYNOPSIS .PP #include .br .PP int unw_get_proc_info(unw_cursor_t *cp, unw_proc_info_t *pip); .br .PP .SH DESCRIPTION .PP The unw_get_proc_info() routine returns auxiliary information about the procedure that created the stack frame identified by argument cp\&. The pip argument is a pointer to a structure of type unw_proc_info_t which is used to return the information. The unw_proc_info_t has the following members: .TP unw_word_t start_ip The address of the first instruction of the procedure. If this address cannot be determined (e.g., due to lack of unwind information), the start_ip member is cleared to 0. .br .TP unw_word_t end_ip The address of the first instruction \fIbeyond\fP the end of the procedure. If this address cannot be determined (e.g., due to lack of unwind information), the end_ip member is cleared to 0. .br .TP unw_word_t lsda The address of the language\-specific data\-area (LSDA). This area normally contains language\-specific information needed during exception handling. If the procedure has no such area, this member is cleared to 0. .br .TP unw_word_t handler The address of the exception handler routine. This is sometimes called the \fIpersonality\fP routine. If the procedure does not define a personality routine, the handler member is cleared to 0. .br .TP unw_word_t gp The global\-pointer of the procedure. On platforms that do not use a global pointer, this member may contain an undefined value. On all other platforms, it must be set either to the correct global\-pointer value of the procedure or to 0 if the proper global\-pointer cannot be obtained for some reason. .br .TP unw_word_t flags A set of flags. There are currently no target\-independent flags. For the IA\-64 target, the flag UNW_PI_FLAG_IA64_RBS_SWITCH is set if the procedure may switch the register\-backing store. .br .TP int format The format of the unwind\-info for this procedure. If the unwind\-info consists of dynamic procedure info, format is equal to UNW_INFO_FORMAT_DYNAMIC\&. If the unwind\-info consists of a (target\-specific) unwind table, it is equal to to UNW_INFO_FORMAT_TABLE\&. All other values are reserved for future use by libunwind\&. This member exists for use by the find_proc_info() call\-back (see unw_create_addr_space(3)). The unw_get_proc_info() routine may return an undefined value in this member. .br .TP int unwind_info_size The size of the unwind\-info in bytes. This member exists for use by the find_proc_info() call\-back (see unw_create_addr_space(3)). The unw_get_proc_info() routine may return an undefined value in this member. .br .TP void *unwind_info The pointer to the unwind\-info. If no unwind info is available, this member must be set to NULL\&. This member exists for use by the find_proc_info() call\-back (see unw_create_addr_space(3)). The unw_get_proc_info() routine may return an undefined value in this member. .br .PP Note that for the purposes of libunwind, the code of a procedure is assumed to occupy a single, contiguous range of addresses. For this reason, it is alwas possible to describe the extent of a procedure with the start_ip and end_ip members. If a single function/routine is split into multiple, discontiguous pieces, libunwind will treat each piece as a separate procedure. .PP .SH RETURN VALUE .PP On successful completion, unw_get_proc_info() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_get_proc_info() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to locate unwind\-info for the procedure. .TP UNW_EBADVERSION The unwind\-info for the procedure has version or format that is not understood by libunwind\&. .PP In addition, unw_get_proc_info() may return any error returned by the access_mem() call\-back (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_get_proc_name(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_get_proc_info.tex0000644000175000017500000001217413406556425015445 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_proc\_info}{David Mosberger-Tang}{Programming Library}{unw\_get\_proc\_info}unw\_get\_proc\_info -- get info on current procedure \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_get\_proc\_info}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_proc\_info\_t~*}\Var{pip});\\ \section{Description} The \Func{unw\_get\_proc\_info}() routine returns auxiliary information about the procedure that created the stack frame identified by argument \Var{cp}. The \Var{pip} argument is a pointer to a structure of type \Type{unw\_proc\_info\_t} which is used to return the information. The \Type{unw\_proc\_info\_t} has the following members: \begin{description} \item[\Type{unw\_word\_t} \Var{start\_ip}] The address of the first instruction of the procedure. If this address cannot be determined (e.g., due to lack of unwind information), the \Var{start\_ip} member is cleared to 0. \\ \item[\Type{unw\_word\_t} \Var{end\_ip}] The address of the first instruction \emph{beyond} the end of the procedure. If this address cannot be determined (e.g., due to lack of unwind information), the \Var{end\_ip} member is cleared to 0. \\ \item[\Type{unw\_word\_t} \Var{lsda}] The address of the language-specific data-area (LSDA). This area normally contains language-specific information needed during exception handling. If the procedure has no such area, this member is cleared to 0. \\ \item[\Type{unw\_word\_t} \Var{handler}] The address of the exception handler routine. This is sometimes called the \emph{personality} routine. If the procedure does not define a personality routine, the \Var{handler} member is cleared to 0. \\ \item[\Type{unw\_word\_t} \Var{gp}] The global-pointer of the procedure. On platforms that do not use a global pointer, this member may contain an undefined value. On all other platforms, it must be set either to the correct global-pointer value of the procedure or to 0 if the proper global-pointer cannot be obtained for some reason. \\ \item[\Type{unw\_word\_t} \Var{flags}] A set of flags. There are currently no target-independent flags. For the IA-64 target, the flag \Const{UNW\_PI\_FLAG\_IA64\_RBS\_SWITCH} is set if the procedure may switch the register-backing store.\\ \item[\Type{int} \Var{format}] The format of the unwind-info for this procedure. If the unwind-info consists of dynamic procedure info, \Var{format} is equal to \Const{UNW\_INFO\_FORMAT\_DYNAMIC}. If the unwind-info consists of a (target-specific) unwind table, it is equal to to \Const{UNW\_INFO\_FORMAT\_TABLE}. All other values are reserved for future use by \Prog{libunwind}. This member exists for use by the \Func{find\_proc\_info}() call-back (see \Func{unw\_create\_addr\_space}(3)). The \Func{unw\_get\_proc\_info}() routine may return an undefined value in this member. \\ \item[\Type{int} \Var{unwind\_info\_size}] The size of the unwind-info in bytes. This member exists for use by the \Func{find\_proc\_info}() call-back (see \Func{unw\_create\_addr\_space}(3)). The \Func{unw\_get\_proc\_info}() routine may return an undefined value in this member.\\ \item[\Type{void~*}\Var{unwind\_info}] The pointer to the unwind-info. If no unwind info is available, this member must be set to \Const{NULL}. This member exists for use by the \Func{find\_proc\_info}() call-back (see \Func{unw\_create\_addr\_space}(3)). The \Func{unw\_get\_proc\_info}() routine may return an undefined value in this member.\\ \end{description} Note that for the purposes of \Prog{libunwind}, the code of a procedure is assumed to occupy a single, contiguous range of addresses. For this reason, it is alwas possible to describe the extent of a procedure with the \Var{start\_ip} and \Var{end\_ip} members. If a single function/routine is split into multiple, discontiguous pieces, \Prog{libunwind} will treat each piece as a separate procedure. \section{Return Value} On successful completion, \Func{unw\_get\_proc\_info}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_get\_proc\_info}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate unwind-info for the procedure. \item[\Const{UNW\_EBADVERSION}] The unwind-info for the procedure has version or format that is not understood by \Prog{libunwind}. \end{Description} In addition, \Func{unw\_get\_proc\_info}() may return any error returned by the \Func{access\_mem}() call-back (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_get\_proc\_name(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_flush_cache.man0000644000175000017500000000330613406755365015050 00000000000000'\" t .\" Manual page created with latex2man on Fri Dec 2 16:09:33 PST 2016 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_FLUSH\\_CACHE" "3" "02 December 2016" "Programming Library " "Programming Library " .SH NAME unw_flush_cache \-\- flush cached info .PP .SH SYNOPSIS .PP #include .br .PP void unw_flush_cache(unw_addr_space_t as, unw_word_t lo, unw_word_t hi); .br .PP .SH DESCRIPTION .PP The unw_flush_cache() routine flushes all cached info as it relates to address\-range lo to hi (non\-inclusive) in the target address\-space as\&. In addition, all info cached for address\-space as that is not tied to a particular code\-range is also flushed. For example, the address of the dynamic registration list is not tied to a code\-range and its cached value (if any) is flushed by a call to this routine. The address range specified by lo and hi should be understood as a hint: unw_flush_cache() may flush more information than requested, but \fInever\fP less. In other words, unw_flush_cache() may overflush, but not underflush. .PP As a special case, if arguments lo and hi are both 0, all information cached on behalf of address space as is flushed. .PP .SH RETURN VALUE .PP The unw_flush_cache() routine cannot fail and does not return a value. .PP .SH THREAD AND SIGNAL SAFETY .PP The unw_flush_cache() routine is thread\-safe as well as safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind(3), unw_set_caching_policy(3) unw_set_cache_size(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/libunwind-ia64.man0000644000175000017500000002147413406556425014451 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "LIBUNWIND\-IA64" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME libunwind\-ia64 \-\- IA\-64\-specific support in libunwind .PP .SH INTRODUCTION .PP The IA\-64 version of libunwind uses a platform\-string of ia64 and, at least in theory, should be able to support all operating systems adhering to the processor\-specific ABI defined for the Itanium Processor Family. This includes both little\-endian Linux and big\-endian HP\-UX. Furthermore, to make it possible for a single library to unwind both 32\- and 64\-bit targets, the type unw_word_t is always defined to be 64 bits wide (independent of the natural word\-size of the host). Having said that, the current implementation has been tested only with IA\-64 Linux. .PP When targeting IA\-64, the libunwind header file defines the macro UNW_TARGET_IA64 as 1 and the macro UNW_TARGET as ``ia64\&'' (without the quotation marks). The former makes it possible for platform\-dependent unwind code to use conditional\-compilation to select an appropriate implementation. The latter is useful for stringification purposes and to construct target\-platform\-specific symbols. .PP One special feature of IA\-64 is the use of NaT bits to support speculative execution. Often, NaT bits are thought of as the ``65\-th bit\&'' of a general register. However, to make everything fit into 64\-bit wide unw_word_t values, libunwind treats the NaT\-bits like separate boolean registers, whose 64\-bit value is either TRUE (non\-zero) or FALSE (zero). .PP .SH MACHINE\-STATE .PP The machine\-state (set of registers) that is accessible through libunwind depends on the type of stack frame that a cursor points to. For normal frames, all ``preserved\&'' (callee\-saved) registers are accessible. For signal\-trampoline frames, all registers (including ``scratch\&'' (caller\-saved) registers) are accessible. Most applications do not have to worry a\-priori about which registers are accessible when. In case of doubt, it is always safe to \fItry\fP to access a register (via unw_get_reg() or unw_get_fpreg()) and if the register isn\&'t accessible, the call will fail with a return\-value of \-UNW_EBADREG\&. .PP As a special exception to the above general rule, scratch registers r15\-r18 are always accessible, even in normal frames. This makes it possible to pass arguments, e.g., to exception handlers. .PP For a detailed description of the IA\-64 register usage convention, please see the ``Itanium Software Conventions and Runtime Architecture Guide\&'', available at: .ce 100 \fBhttp://www.intel.com/design/itanium/downloads/245358.htm\fP .ce 0 .PP .SH REGISTER NAMES .PP The IA\-64\-version of libunwind defines three kinds of register name macros: frame\-register macros, normal register macros, and convenience macros. Below, we describe each kind in turn: .PP .SS FRAME\-REGISTER MACROS .PP Frame\-registers are special (pseudo) registers because they always have a valid value, even though sometimes they do not get saved explicitly (e.g., if a memory stack frame is 16 bytes in size, the previous stack\-pointer value can be calculated simply as sp+16, so there is no need to save the stack\-pointer explicitly). Moreover, the set of frame register values uniquely identifies a stack frame. The IA\-64 architecture defines two stacks (a memory and a register stack). Including the instruction\-pointer (IP), this means there are three frame registers: .TP UNW_IA64_IP: Contains the instruction pointer (IP, or ``program counter\&'') of the current stack frame. Given this value, the remaining machine\-state corresponds to the register\-values that were present in the CPU when it was just about to execute the instruction pointed to by UNW_IA64_IP\&. Bits 0 and 1 of this frame\-register encode the slot number of the instruction. \fBNote:\fP Due to the way the call instruction works on IA\-64, the slot number is usually zero, but can be non\-zero, e.g., in the stack\-frame of a signal\-handler trampoline. .TP UNW_IA64_SP: Contains the (memory) stack\-pointer value (SP). .TP UNW_IA64_BSP: Contains the register backing\-store pointer (BSP). \fBNote:\fP the value in this register is equal to the contents of register ar.bsp at the time the instruction at UNW_IA64_IP was about to begin execution. .PP .SS NORMAL REGISTER MACROS .PP The following normal register name macros are available: .TP UNW_IA64_GR: The base\-index for general (integer) registers. Add an index in the range from 0..127 to get a particular general register. For example, to access r4, the index UNW_IA64_GR+4 should be used. Registers r0 and r1 (gp) are read\-only, and any attempt to write them will result in an error (\-UNW_EREADONLYREG). Even though r1 is read\-only, libunwind will automatically adjust its value if the instruction\-pointer (UNW_IA64_IP) is modified. For example, if UNW_IA64_IP is set to a value inside a function func(), then reading UNW_IA64_GR+1 will return the global\-pointer value for this function. .TP UNW_IA64_NAT: The base\-index for the NaT bits of the general (integer) registers. A non\-zero value in these registers corresponds to a set NaT\-bit. Add an index in the range from 0..127 to get a particular NaT\-bit register. For example, to access the NaT bit of r4, the index UNW_IA64_NAT+4 should be used. .TP UNW_IA64_FR: The base\-index for floating\-point registers. Add an index in the range from 0..127 to get a particular floating\-point register. For example, to access f2, the index UNW_IA64_FR+2 should be used. Registers f0 and f1 are read\-only, and any attempt to write to indices UNW_IA64_FR+0 or UNW_IA64_FR+1 will result in an error (\-UNW_EREADONLYREG). .TP UNW_IA64_AR: The base\-index for application registers. Add an index in the range from 0..127 to get a particular application register. For example, to access ar40, the index UNW_IA64_AR+40 should be used. The IA\-64 architecture defines several application registers as ``reserved for future use\&''\&. Attempting to access such registers results in an error (\-UNW_EBADREG). .TP UNW_IA64_BR: The base\-index for branch registers. Add an index in the range from 0..7 to get a particular branch register. For example, to access b6, the index UNW_IA64_BR+6 should be used. .TP UNW_IA64_PR: Contains the set of predicate registers. This 64\-bit wide register contains registers p0 through p63 in the ``broad\-side\&'' format. Just like with the ``move predicates\&'' instruction, the registers are mapped as if CFM.rrb.pr were set to 0. Thus, in general the value of predicate register pN with N>=16 can be found in bit 16 + ((N\-16)+CFM.rrb.pr) % 48\&. .TP UNW_IA64_CFM: Contains the current\-frame\-mask register. .PP .SS CONVENIENCE MACROS .PP Convenience macros are simply aliases for certain frequently used registers: .TP UNW_IA64_GP: Alias for UNW_IA64_GR+1, the global\-pointer register. .TP UNW_IA64_TP: Alias for UNW_IA64_GR+13, the thread\-pointer register. .TP UNW_IA64_AR_RSC: Alias for UNW_IA64_GR+16, the register\-stack configuration register. .TP UNW_IA64_AR_BSP: Alias for UNW_IA64_GR+17\&. This register index accesses the value of register ar.bsp as of the time it was last saved explicitly. This is rarely what you want. Normally, you\&'ll want to use UNW_IA64_BSP instead. .TP UNW_IA64_AR_BSPSTORE: Alias for UNW_IA64_GR+18, the register\-backing store write pointer. .TP UNW_IA64_AR_RNAT: Alias for UNW_IA64_GR+19, the register\-backing store NaT\-collection register. .TP UNW_IA64_AR_CCV: Alias for UNW_IA64_GR+32, the compare\-and\-swap value register. .TP UNW_IA64_AR_CSD: Alias for UNW_IA64_GR+25, the compare\-and\-swap\-data register (used by 16\-byte atomic operations). .TP UNW_IA64_AR_UNAT: Alias for UNW_IA64_GR+36, the user NaT\-collection register. .TP UNW_IA64_AR_FPSR: Alias for UNW_IA64_GR+40, the floating\-point status (and control) register. .TP UNW_IA64_AR_PFS: Alias for UNW_IA64_GR+64, the previous frame\-state register. .TP UNW_IA64_AR_LC: Alias for UNW_IA64_GR+65 the loop\-count register. .TP UNW_IA64_AR_EC: Alias for UNW_IA64_GR+66, the epilogue\-count register. .PP .SH THE UNWIND\-CONTEXT TYPE .PP On IA\-64, unw_context_t is simply an alias for ucontext_t (as defined by the Single UNIX Spec). This implies that it is possible to initialize a value of this type not just with unw_getcontext(), but also with getcontext(), for example. However, since this is an IA\-64\-specific extension to libunwind, portable code should not rely on this equivalence. .PP .SH SEE ALSO .PP libunwind(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_regname.man0000644000175000017500000000226213406556425014216 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_REGNAME" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_regname \-\- get register name .PP .SH SYNOPSIS .PP #include .br .PP const char *unw_regname(unw_regnum_t regnum); .br .PP .SH DESCRIPTION .PP The unw_regname() routine returns a printable name for register regnum\&. If regnum is an invalid or otherwise unrecognized register number, a string consisting of three question marks is returned. The returned string is statically allocated and therefore guaranteed to remain valid until the application terminates. .PP .SH RETURN VALUE .PP The unw_regname() routine cannot fail and always returns a valid (non\-NULL) string. .PP .SH THREAD AND SIGNAL SAFETY .PP The unw_regname() routine is thread\-safe as well as safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_set_caching_policy.tex0000644000175000017500000000541613406755365016463 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_set\_caching\_policy}{David Mosberger-Tang}{Programming Library}{unw\_set\_caching\_policy}unw\_set\_caching\_policy -- set unwind caching policy \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_set\_caching\_policy}(\Type{unw\_addr\_space\_t} \Var{as}, \Type{unw\_caching\_policy\_t} \Var{policy});\\ \section{Description} The \Func{unw\_set\_caching\_policy}() routine sets the caching policy of address space \Var{as} to the policy specified by argument \Var{policy}. The \Var{policy} argument can take one of three possible values: \begin{description} \item[\Const{UNW\_CACHE\_NONE}] Turns off caching completely. This also implicitly flushes the contents of all caches as if \Func{unw\_flush\_cache}() had been called. \item[\Const{UNW\_CACHE\_GLOBAL}] Enables caching using a global cache that is shared by all threads. If global caching is unavailable or unsupported, \Prog{libunwind} may fall back on using a per-thread cache, as if \Const{UNW\_CACHE\_PER\_THREAD} had been specified. \item[\Const{UNW\_CACHE\_PER\_THREAD}] Enables caching using thread-local caches. If a thread-local caching are unavailable or unsupported, \Prog{libunwind} may fall back on using a global cache, as if \Const{UNW\_CACHE\_GLOBAL} had been specified. \end{description} If caching is enabled, an application must be prepared to make appropriate calls to \Func{unw\_flush\_cache}() whenever the target changes in a way that could affect the validity of cached information. For example, after unloading (removing) a shared library, \Func{unw\_flush\_cache}() would have to be called (at least) for the address-range that was covered by the shared library. For address spaces created via \Func{unw\_create\_addr\_space}(3), caching is turned off by default. For the local address space \Func{unw\_local\_addr\_space}, caching is turned on by default. \section{Return Value} On successful completion, \Func{unw\_set\_caching\_policy}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_set\_caching\_policy}() is thread-safe but \emph{not} safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_ENOMEM}] The desired caching policy could not be established because the application is out of memory. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_set\_cache\_size(3)}, \SeeAlso{unw\_flush\_cache(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_set_cache_size.tex0000644000175000017500000000311313406755365015575 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_set\_cache\_size}{Dave Watson}{Programming Library}{unw\_set\_cache\_size}unw\_set\_cache\_size -- set unwind cache size \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_set\_cache\_size}(\Type{unw\_addr\_space\_t} \Var{as}, \Type{size\_t} \Var{size}, \Type{int} \Var{flag});\\ \section{Description} The \Func{unw\_set\_cache\_size}() routine sets the cache size of address space \Var{as} to hold at least as many items as given by argument \Var{size}. It may hold more items as determined by the implementation. To disable caching, call \Func{unw\_set\_caching\_policy}) with a policy of \Const{UNW\_CACHE\_NONE}. Flag is currently unused and must be 0. \section{Return Value} On successful completion, \Func{unw\_set\_cache\_size}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_set\_cache\_size}() is thread-safe but \emph{not} safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_ENOMEM}] The desired cache size could not be established because the application is out of memory. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_set\_caching\_policy(3)}, \SeeAlso{unw\_flush\_cache(3)} \section{Author} \noindent Dave Watson\\ Email: \Email{dade.watson@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_is_fpreg.tex0000644000175000017500000000233513406556425014424 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_is\_fpreg}{David Mosberger-Tang}{Programming Library}{unw\_is\_fpreg}unw\_is\_fpreg -- check if a register is a floating-point register \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_is\_fpreg}(\Type{unw\_regnum\_t} \Var{reg});\\ \section{Description} The \Func{unw\_is\_fpreg}() routine checks whether register number \Var{reg} is a floating-point register. This routine is normally implemented as a macro and applications should not attempt to take its address. \section{Return Value} The \Func{unw\_is\_fpreg}() routine returns a non-zero value if \Var{reg} is a floating-point register. Otherwise, it returns a value of 0. \section{Thread and Signal Safety} \Func{unw\_is\_fpreg}() is thread-safe as well as safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_get\_reg(3)}, \SeeAlso{unw\_set\_reg(3)}, \SeeAlso{unw\_get\_fpreg(3)}, \SeeAlso{unw\_set\_fpreg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_init_remote.man0000644000175000017500000000514113406556425015115 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_INIT\\_REMOTE" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_init_remote \-\- initialize cursor for remote unwinding .PP .SH SYNOPSIS .PP #include .br .PP int unw_init_remote(unw_cursor_t *c, unw_addr_space_t as, void *arg); .br .PP .SH DESCRIPTION .PP The unw_init_remote() routine initializes the unwind cursor pointed to by c for unwinding in the address space identified by as\&. The as argument can either be set to unw_local_addr_space (local address space) or to an arbitrary address space created with unw_create_addr_space(). .PP The arg void\-pointer tells the address space exactly what entity should be unwound. For example, if unw_local_addr_space is passed in as, then arg needs to be a pointer to a context structure containing the machine\-state of the initial stack frame. However, other address\-spaces may instead expect a process\-id, a thread\-id, or a pointer to an arbitrary structure which identifies the stack\-frame chain to be unwound. In other words, the interpretation of arg is entirely dependent on the address\-space in use; libunwind never interprets the argument in any way on its own. .PP Note that unw_init_remote() can be used to initiate unwinding in \fIany\fP process, including the local process in which the unwinder itself is running. However, for local unwinding, it is generally preferable to use unw_init_local() instead, because it is easier to use and because it may perform better. .PP .SH RETURN VALUE .PP On successful completion, unw_init_remote() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_init_remote() is thread\-safe. If the local address\-space is passed in argument as, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EINVAL unw_init_remote() was called in a version of libunwind which supports local unwinding only (this normally happens when defining UNW_LOCAL_ONLY before including and then calling unw_init_remote()). .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG A register needed by unw_init_remote() wasn\&'t accessible. .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_init_local(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/libunwind-ptrace.tex0000644000175000017500000001305213406556425015202 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{libunwind-ptrace}{David Mosberger-Tang}{Programming Library}{ptrace() support in libunwind}libunwind-ptrace -- ptrace() support in libunwind \end{Name} \section{Synopsis} \File{\#include $<$libunwind-ptrace.h$>$}\\ \noindent \Type{unw\_accessors\_t} \Var{\_UPT\_accessors};\\ \Type{void~*}\Func{\_UPT\_create}(\Type{pid\_t});\\ \noindent \Type{void} \Func{\_UPT\_destroy}(\Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_find\_proc\_info}(\Type{unw\_addr\_space\_t}, \Type{unw\_word\_t}, \Type{unw\_proc\_info\_t~*}, \Type{int}, \Type{void~*});\\ \noindent \Type{void} \Func{\_UPT\_put\_unwind\_info}(\Type{unw\_addr\_space\_t}, \Type{unw\_proc\_info\_t~*}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_get\_dyn\_info\_list\_addr}(\Type{unw\_addr\_space\_t}, \Type{unw\_word\_t~*}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_access\_mem}(\Type{unw\_addr\_space\_t}, \Type{unw\_word\_t}, \Type{unw\_word\_t~*}, \Type{int}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_access\_reg}(\Type{unw\_addr\_space\_t}, \Type{unw\_regnum\_t}, \Type{unw\_word\_t~*}, \Type{int}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_access\_fpreg}(\Type{unw\_addr\_space\_t}, \Type{unw\_regnum\_t}, \Type{unw\_fpreg\_t~*}, \Type{int}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_get\_proc\_name}(\Type{unw\_addr\_space\_t}, \Type{unw\_word\_t}, \Type{char~*}, \Type{size\_t}, \Type{unw\_word\_t~*}, \Type{void~*});\\ \noindent \Type{int} \Func{\_UPT\_resume}(\Type{unw\_addr\_space\_t}, \Type{unw\_cursor\_t~*}, \Type{void~*});\\ \section{Description} The \Func{ptrace}(2) system-call makes it possible for a process to gain access to the machine-state and virtual memory of \emph{another} process. With the right set of call-back routines, it is therefore possible to hook up \Prog{libunwind} to another process via \Func{ptrace}(2). While it's not very difficult to do so directly, \Prog{libunwind} further facilitates this task by providing ready-to-use callbacks for this purpose. The routines and variables implementing this facility use a name-prefix of \Func{\_UPT}, which is stands for ``unwind-via-ptrace''. An application that wants to use the \Func{\_UPT}-facility first needs to create a new \Prog{libunwind} address-space that represents the target process. This is done by calling \Func{unw\_create\_addr\_space}(). In many cases, the application will simply want to pass the address of \Var{\_UPT\_accessors} as the first argument to this routine. Doing so will ensure that \Prog{libunwind} will be able to properly unwind the target process. However, in special circumstances, an application may prefer to use only portions of the \Prog{\_UPT}-facility. For this reason, the individual callback routines (\Func{\_UPT\_find\_proc\_info}(), \Func{\_UPT\_put\_unwind\_info}(), etc.) are also available for direct use. Of course, the addresses of these routines could also be picked up from \Var{\_UPT\_accessors}, but doing so would prevent static initialization. Also, when using \Var{\_UPT\_accessors}, \emph{all} the callback routines will be linked into the application, even if they are never actually called. Next, the application can turn on ptrace-mode on the target process, either by forking a new process, invoking \Const{PTRACE\_TRACEME}, and then starting the target program (via \Func{execve}(2)), or by directly attaching to an already running process (via \Const{PTRACE\_ATTACH}). Either way, once the process-ID (pid) of the target process is known, a \Prog{\_UPT}-info-structure can be created by calling \Func{\_UPT\_create}(), passing the pid of the target process as the only argument. The returned void-pointer then needs to be passed as the ``argument'' pointer (third argument) to \Func{unw\_init\_remote}(). The \Func{\_UPT\_resume}() routine can be used to resume execution of the target process. It simply invokes \Func{ptrace}(2) with a command value of \Const{PTRACE\_CONT}. When the application is done using \Prog{libunwind} on the target process, \Func{\_UPT\_destroy}() needs to be called, passing it the void-pointer that was returned by the corresponding call to \Func{\_UPT\_create}(). This ensures that all memory and other resources are freed up. \section{Availability} Since \Func{ptrace}(2) works within a single machine only, the \Prog{\_UPT}-facility by definition is not available in \Prog{libunwind}-versions configured for cross-unwinding. \section{Thread Safety} The \Prog{\_UPT}-facility assumes that a single \Prog{\_UPT}-info structure is never shared between threads. Because of this, no explicit locking is used. As long as only one thread uses a \Prog{\_UPT}-info structure at any given time, this facility is thread-safe. \section{Return Value} \Func{\_UPT\_create}() may return a \Const{NULL} pointer if it fails to create the \Prog{\_UPT}-info-structure for any reason. For the current implementation, the only reason this call may fail is when the system is out of memory. \section{Files} \begin{Description} \item[\File{libunwind-ptrace.h}] Headerfile to include when using the interface defined by this library. \item[\Opt{-l}\File{unwind-ptrace} \Opt{-l}\File{unwind-generic}] Linker-switches to add when building a program that uses the functions defined by this library. \end{Description} \section{See Also} execve(2), \SeeAlso{libunwind(3)}, ptrace(2) \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_flush_cache.tex0000644000175000017500000000344513406755365015101 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_flush\_cache}{David Mosberger-Tang}{Programming Library}{unw\_flush\_cache}unw\_flush\_cache -- flush cached info \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{void} \Func{unw\_flush\_cache}(\Type{unw\_addr\_space\_t} \Var{as}, \Type{unw\_word\_t} \Var{lo}, \Type{unw\_word\_t} \Var{hi});\\ \section{Description} The \Func{unw\_flush\_cache}() routine flushes all cached info as it relates to address-range \Var{lo} to \Var{hi} (non-inclusive) in the target address-space \Var{as}. In addition, all info cached for address-space \Var{as} that is not tied to a particular code-range is also flushed. For example, the address of the dynamic registration list is not tied to a code-range and its cached value (if any) is flushed by a call to this routine. The address range specified by \Var{lo} and \Var{hi} should be understood as a hint: \Func{unw\_flush\_cache}() may flush more information than requested, but \emph{never} less. In other words, \Func{unw\_flush\_cache}() may overflush, but not underflush. As a special case, if arguments \Var{lo} and \Var{hi} are both 0, all information cached on behalf of address space \Var{as} is flushed. \section{Return Value} The \Func{unw\_flush\_cache}() routine cannot fail and does not return a value. \section{Thread and Signal Safety} The \Func{unw\_flush\_cache}() routine is thread-safe as well as safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_set\_caching\_policy(3)} \SeeAlso{unw\_set\_cache\_size(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_resume.man0000644000175000017500000000672513406556425014110 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_RESUME" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_resume \-\- resume execution in a particular stack frame .PP .SH SYNOPSIS .PP #include .br .PP int unw_resume(unw_cursor_t *cp); .br .PP .SH DESCRIPTION .PP The unw_resume() routine resumes execution at the stack frame identified by cp\&. The behavior of this routine differs slightly for local and remote unwinding. .PP For local unwinding, unw_resume() restores the machine state and then directly resumes execution in the target stack frame. Thus unw_resume() does not return in this case. Restoring the machine state normally involves restoring the ``preserved\&'' (callee\-saved) registers. However, if execution in any of the stack frames younger (more deeply nested) than the one identified by cp was interrupted by a signal, then unw_resume() will restore all registers as well as the signal mask. Attempting to call unw_resume() on a cursor which identifies the stack frame of another thread results in undefined behavior (e.g., the program may crash). .PP For remote unwinding, unw_resume() installs the machine state identified by the cursor by calling the access_reg and access_fpreg accessor callbacks as needed. Once that is accomplished, the resume accessor callback is invoked. The unw_resume routine then returns normally (that is, unlikely for local unwinding, unw_resume will always return for remote unwinding). .PP Most platforms reserve some registers to pass arguments to exception handlers (e.g., IA\-64 uses r15\-r18 for this purpose). These registers are normally treated like ``scratch\&'' registers. However, if libunwind is used to set an exception argument register to a particular value (e.g., via unw_set_reg()), then unw_resume() will install this value as the contents of the register. In other words, the exception handling arguments are installed even in cases where normally only the ``preserved\&'' registers are restored. .PP Note that unw_resume() does \fInot\fP invoke any unwind handlers (aka, ``personality routines\&''). If a program needs this, it will have to do so on its own by obtaining the unw_proc_info_t of each unwound frame and appropriately processing its unwind handler and language\-specific data area (lsda). These steps are generally dependent on the target\-platform and are regulated by the processor\-specific ABI (application\-binary interface). .PP .SH RETURN VALUE .PP For local unwinding, unw_resume() does not return on success. For remote unwinding, it returns 0 on success. On failure, the negative value of one of the errors below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_resume() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG A register needed by unw_resume() wasn\&'t accessible. .TP UNW_EINVALIDIP The instruction pointer identified by cp is not valid. .TP UNW_BADFRAME The stack frame identified by cp is not valid. .PP .SH SEE ALSO .PP libunwind(3), unw_set_reg(3), sigprocmask(2) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_getcontext.tex0000644000175000017500000000362013406556425015010 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_getcontext}{David Mosberger-Tang}{Programming Library}{unw\_getcontext}unw\_getcontext -- get initial machine-state \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_getcontext}(\Type{unw\_context\_t~*}\Var{ucp});\\ \section{Description} The \Func{unw\_getcontext}() routine initializes the context structure pointed to by \Var{ucp} with the machine-state of the call-site. The exact set of registers stored by \Func{unw\_getcontext}() is platform-specific, but, in general, at least all preserved (``callee-saved'') and all frame-related registers, such as the stack-pointer, will be stored. This routine is normally implemented as a macro and applications should not attempt to take its address. \section{Platform-specific Notes} On IA-64, \Type{unw\_context\_t} has a layout that is compatible with that of \Type{ucontext\_t} and such structures can be initialized with \Func{getcontext}() instead of \Func{unw\_getcontext}(). However, the reverse is \emph{not} true and it is \emph{not} safe to use structures initialized by \Func{unw\_getcontext()} in places where a structure initialized by \Func{getcontext()} is expected. The reason for this asymmetry is that \Func{unw\_getcontext()} is optimized for maximum performance and does not, for example, save the signal mask. \section{Return Value} On successful completion, \Func{unw\_getcontext}() returns 0. Otherwise, a value of -1 is returned. \section{Thread and Signal Safety} \Func{unw\_getcontext}() is thread-safe as well as safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_init\_local(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/Makefile.am0000644000175000017500000000435113406755365013253 00000000000000# man pages that go into section 3: man3_MANS = libunwind.man libunwind-dynamic.man libunwind-ia64.man \ libunwind-ptrace.man libunwind-setjmp.man \ unw_apply_reg_state.man \ unw_backtrace.man \ unw_flush_cache.man \ unw_get_accessors.man \ unw_get_proc_info.man \ unw_get_proc_info_by_ip.man \ unw_get_proc_name.man \ unw_get_fpreg.man \ unw_get_reg.man \ unw_getcontext.man \ unw_init_local.man unw_init_remote.man \ unw_init_local2.man \ unw_is_fpreg.man \ unw_is_signal_frame.man \ unw_create_addr_space.man \ unw_destroy_addr_space.man \ unw_regname.man unw_resume.man \ unw_reg_states_iterate.man \ unw_set_caching_policy.man \ unw_set_cache_size.man \ unw_set_fpreg.man \ unw_set_reg.man \ unw_step.man \ unw_strerror.man \ _U_dyn_register.man \ _U_dyn_cancel.man EXTRA_DIST = NOTES libunwind.trans \ libunwind.tex libunwind-dynamic.tex libunwind-ia64.tex \ libunwind-ptrace.tex libunwind-setjmp.tex \ unw_apply_reg_state.tex \ unw_backtrace.tex \ unw_flush_cache.tex \ unw_get_accessors.tex \ unw_get_proc_info.tex \ unw_get_proc_info_by_ip.tex \ unw_get_proc_name.tex \ unw_get_fpreg.tex \ unw_get_reg.tex \ unw_getcontext.tex \ unw_init_local.tex unw_init_remote.tex \ unw_is_fpreg.tex \ unw_is_signal_frame.tex \ unw_create_addr_space.tex unw_destroy_addr_space.tex \ unw_regname.tex unw_resume.tex unw_set_caching_policy.tex \ unw_reg_states_iterate.tex \ unw_set_cache_size.tex \ unw_set_fpreg.tex \ unw_set_reg.tex \ unw_step.tex \ unw_strerror.tex \ _U_dyn_register.tex \ _U_dyn_cancel.tex \ $(man3_MANS) L2M = latex2man L2P = pdflatex L2M_CMD = $(L2M) -t $(srcdir)/libunwind.trans L2H_CMD = $(L2M) -H -t $(srcdir)/libunwind.trans .tex.man: $(L2M_CMD) $< $@ -cp $@ $(srcdir)/$@ html: for n in $(man3_MANS); do \ page=`basename $$n .man`; \ $(L2H_CMD) $(srcdir)/$$page.tex "$$page(3).raw"; \ done pdf: for n in $(man3_MANS); do \ page=`basename $$n .man`; \ $(L2P) $(srcdir)/$$page.tex "$$page(3).pdf"; \ done MAINTAINERCLEANFILES = Makefile.in libunwind-1.3.2/doc/unw_is_fpreg.man0000644000175000017500000000227413406556425014401 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_IS\\_FPREG" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_is_fpreg \-\- check if a register is a floating\-point register .PP .SH SYNOPSIS .PP #include .br .PP int unw_is_fpreg(unw_regnum_t reg); .br .PP .SH DESCRIPTION .PP The unw_is_fpreg() routine checks whether register number reg is a floating\-point register. .PP This routine is normally implemented as a macro and applications should not attempt to take its address. .PP .SH RETURN VALUE .PP The unw_is_fpreg() routine returns a non\-zero value if reg is a floating\-point register. Otherwise, it returns a value of 0. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_is_fpreg() is thread\-safe as well as safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind(3), unw_get_reg(3), unw_set_reg(3), unw_get_fpreg(3), unw_set_fpreg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_set_reg.man0000644000175000017500000000437413406556425014236 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_SET\\_REG" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_set_reg \-\- set register contents .PP .SH SYNOPSIS .PP #include .br .PP int unw_set_reg(unw_cursor_t *cp, unw_regnum_t reg, unw_word_t val); .br .PP .SH DESCRIPTION .PP The unw_set_reg() routine sets the value of register reg in the stack frame identified by cursor cp to the value passed in val\&. .PP The register numbering is target\-dependent and described in separate manual pages (e.g., libunwind\-ia64(3) for the IA\-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that cp is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee\-saved\&'') registers and frame\-related registers (such as the stack\-pointer). However, for signal frames (see unw_is_signal_frame(3)), it is usually possible to access all registers. .PP Note that unw_set_reg() can only write the contents of registers whose values fit in a single word. See unw_set_fpreg(3) for a way to write registers which do not fit this constraint. .PP .SH RETURN VALUE .PP On successful completion, unw_set_reg() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_set_reg() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG An attempt was made to write a register that is either invalid or not accessible in the current frame. .TP UNW_EREADONLY An attempt was made to write to a read\-only register. .PP In addition, unw_set_reg() may return any error returned by the access_mem(), access_reg(), and access_fpreg() call\-backs (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), libunwind\-ia64(3), unw_get_reg(3), unw_is_signal_frame(3), unw_set_fpreg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/libunwind-setjmp.man0000644000175000017500000000554413406556425015210 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "LIBUNWIND\-SETJMP" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME libunwind\-setjmp \-\- libunwind\-based non\-local gotos .PP .SH SYNOPSIS .PP #include .br .PP int setjmp(jmp_buf env); .br void longjmp(jmp_buf env, int val); .br int _setjmp(jmp_buf env); .br void _longjmp(jmp_buf env, int val); .br int sigsetjmp(sigjmp_buf env, int savemask); .br void siglongjmp(sigjmp_buf env, int val); .br .PP .SH DESCRIPTION .PP The unwind\-setjmp library offers a libunwind\-based implementation of non\-local gotos. This implementation is intended to be a drop\-in replacement for the normal, system\-provided routines of the same name. The main advantage of using the unwind\-setjmp library is that setting up a non\-local goto via one of the setjmp() routines is very fast. Typically, just 2 or 3 words need to be saved in the jump\-buffer (plus one call to sigprocmask(2), in the case of sigsetjmp). On the other hand, executing a non\-local goto by calling one of the longjmp() routines tends to be much slower than with the system\-provided routines. In fact, the time spent on a longjmp() will be proportional to the number of call frames that exist between the points where setjmp() and longjmp() were called. For this reason, the unwind\-setjmp library is beneficial primarily in applications that frequently call setjmp() but only rarely call longjmp(). .PP .SH CAVEATS .PP .TP .B * The correct operation of this library depends on the presence of correct unwind information. On newer platforms, this is rarely an issue. On older platforms, care needs to be taken to ensure that each of the functions whose stack frames may have to be unwound during a longjmp() have correct unwind information (on those platforms, there is usually a compiler\-switch, such as \fB\-funwind\-tables\fP, to request the generation of unwind information). .TP .B * The contents of jmp_buf and sigjmp_buf as setup and used by these routines is completely different from the ones used by the system\-provided routines. Thus, a jump\-buffer created by the libunwind\-based setjmp()/_setjmp may only be used in a call to the libunwind\-based longjmp()/_longjmp(). The analogous applies for sigjmp_buf with sigsetjmp() and siglongjmp(). .PP .SH FILES .PP .TP \fB\-l\fPunwind\-setjmp The library an application should be linked against to ensure it uses the libunwind\-based non\-local goto routines. .PP .SH SEE ALSO .PP libunwind(3), setjmp(3), longjmp(3), _setjmp(3), _longjmp(3), sigsetjmp(3), siglongjmp(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_get_proc_info_by_ip.tex0000644000175000017500000000656713406556425016640 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_proc\_info\_by\_ip}{David Mosberger-Tang}{Programming Library}{unw\_get\_proc\_info\_by\_ip}unw\_get\_proc\_info\_by\_ip -- get procedure info by IP \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_get\_proc\_info\_by\_ip}(\Type{unw\_addr\_space\_t~}\Var{as}, \Type{unw\_word\_t~}\Var{ip}, \Type{unw\_proc\_info\_t~*}\Var{pip}, \Type{void~*}\Var{arg});\\ \section{Description} The \Func{unw\_get\_proc\_info\_by\_ip}() routine returns the same kind of auxiliary information about a procedure as \Func{unw\_get\_proc\_info}(), except that the info is looked up by instruction-pointer (IP) instead of a cursor. This is more flexible because it is possible to look up the info for an arbitrary procedure, even if it is not part of the current call-chain. However, since it is more flexible, it also tends to run slower (and often much slower) than \Func{unw\_get\_proc\_info}(). The routine expects the followins arguments: \Var{as} is the address-space in which the instruction-pointer should be looked up. For a look-up in the local address-space, \Var{unw\_local\_addr\_space} can be passed for this argument. Argument \Var{ip} is the instruction-pointer for which the procedure info should be looked up and \Var{pip} is a pointer to a structure of type \Type{unw\_proc\_info\_t} which is used to return the info. Lastly, \Var{arg} is the address-space argument that should be used when accessing the address-space. It has the same purpose as the argument of the same name for \Func{unw\_init\_remote}(). When accessing the local address-space (first argument is \Var{unw\_local\_addr\_space}), \Const{NULL} must be passed for this argument. Note that for the purposes of \Prog{libunwind}, the code of a procedure is assumed to occupy a single, contiguous range of addresses. For this reason, it is alwas possible to describe the extent of a procedure with the \Var{start\_ip} and \Var{end\_ip} members. If a single function/routine is split into multiple, discontiguous pieces, \Prog{libunwind} will treat each piece as a separate procedure. \section{Return Value} On successful completion, \Func{unw\_get\_proc\_info\_by\_ip}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_get\_proc\_info}() is thread-safe. If the local address-space is passed in argument \Var{as}, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate unwind-info for the procedure. \item[\Const{UNW\_EBADVERSION}] The unwind-info for the procedure has version or format that is not understood by \Prog{libunwind}. \end{Description} In addition, \Func{unw\_get\_proc\_info}() may return any error returned by the \Func{access\_mem}() call-back (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_get\_proc\_name(3)}, \SeeAlso{unw\_get\_proc\_info(3)}, \SeeAlso{unw\_init\_remote(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/libunwind.man0000644000175000017500000003452213406755365013712 00000000000000'\" t .\" Manual page created with latex2man on Thu Jan 12 06:50:29 PST 2017 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "LIBUNWIND" "3" "12 January 2017" "Programming Library " "Programming Library " .SH NAME libunwind \-\- a (mostly) platform\-independent unwind API .PP .SH SYNOPSIS .PP #include .br .PP int unw_getcontext(unw_context_t *); .br int unw_init_local(unw_cursor_t *, unw_context_t *); .br int unw_init_remote(unw_cursor_t *, unw_addr_space_t, void *); .br int unw_step(unw_cursor_t *); .br int unw_get_reg(unw_cursor_t *, unw_regnum_t, unw_word_t *); .br int unw_get_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t *); .br int unw_set_reg(unw_cursor_t *, unw_regnum_t, unw_word_t); .br int unw_set_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t); .br int unw_resume(unw_cursor_t *); .br .PP unw_addr_space_t unw_local_addr_space; .br unw_addr_space_t unw_create_addr_space(unw_accessors_t, int); .br void unw_destroy_addr_space(unw_addr_space_t); .br unw_accessors_t unw_get_accessors(unw_addr_space_t); .br void unw_flush_cache(unw_addr_space_t, unw_word_t, unw_word_t); .br int unw_set_caching_policy(unw_addr_space_t, unw_caching_policy_t); .br int unw_set_cache_size(unw_addr_space_t, size_t, int); .br .PP const char *unw_regname(unw_regnum_t); .br int unw_get_proc_info(unw_cursor_t *, unw_proc_info_t *); .br int unw_get_save_loc(unw_cursor_t *, int, unw_save_loc_t *); .br int unw_is_fpreg(unw_regnum_t); .br int unw_is_signal_frame(unw_cursor_t *); .br int unw_get_proc_name(unw_cursor_t *, char *, size_t, unw_word_t *); .br .PP void _U_dyn_register(unw_dyn_info_t *); .br void _U_dyn_cancel(unw_dyn_info_t *); .br .PP .SH LOCAL UNWINDING .PP Libunwind is very easy to use when unwinding a stack from within a running program. This is called \fIlocal\fP unwinding. Say you want to unwind the stack while executing in some function F(). In this function, you would call unw_getcontext() to get a snapshot of the CPU registers (machine\-state). Then you initialize an \fIunwind cursor\fP based on this snapshot. This is done with a call to unw_init_local(). The cursor now points to the current frame, that is, the stack frame that corresponds to the current activation of function F(). The unwind cursor can then be moved ``up\&'' (towards earlier stack frames) by calling unw_step(). By repeatedly calling this routine, you can uncover the entire call\-chain that led to the activation of function F(). A positive return value from unw_step() indicates that there are more frames in the chain, zero indicates that the end of the chain has been reached, and any negative value indicates that some sort of error has occurred. .PP While it is not possible to directly move the unwind cursor in the ``down\&'' direction (towards newer stack frames), this effect can be achieved by making copies of an unwind cursor. For example, a program that sometimes has to move ``down\&'' by one stack frame could maintain two cursor variables: ``curr\&'' and ``prev\&''\&. The former would be used as the current cursor and prev would be maintained as the ``previous frame\&'' cursor by copying the contents of curr to prev right before calling unw_step(). With this approach, the program could move one step ``down\&'' simply by copying back prev to curr whenever that is necessary. In the most extreme case, a program could maintain a separate cursor for each call frame and that way it could move up and down the callframe\-chain at will. .PP Given an unwind cursor, it is possible to read and write the CPU registers that were preserved for the current stack frame (as identified by the cursor). Libunwind provides several routines for this purpose: unw_get_reg() reads an integer (general) register, unw_get_fpreg() reads a floating\-point register, unw_set_reg() writes an integer register, and unw_set_fpreg() writes a floating\-point register. Note that, by definition, only the \fIpreserved\fP machine state can be accessed during an unwind operation. Normally, this state consists of the \fIcallee\-saved\fP (``preserved\&'') registers. However, in some special circumstances (e.g., in a signal handler trampoline), even the \fIcaller\-saved\fP (``scratch\&'') registers are preserved in the stack frame and, in those cases, libunwind will grant access to them as well. The exact set of registers that can be accessed via the cursor depends, of course, on the platform. However, there are two registers that can be read on all platforms: the instruction pointer (IP), sometimes also known as the ``program counter\&'', and the stack pointer (SP). In libunwind, these registers are identified by the macros UNW_REG_IP and UNW_REG_SP, respectively. .PP Besides just moving the unwind cursor and reading/writing saved registers, libunwind also provides the ability to resume execution at an arbitrary stack frame. As you might guess, this is useful for implementing non\-local gotos and the exception handling needed by some high\-level languages such as Java. Resuming execution with a particular stack frame simply requires calling unw_resume() and passing the cursor identifying the target frame as the only argument. .PP Normally, libunwind supports both local and remote unwinding (the latter will be explained in the next section). However, if you tell libunwind that your program only needs local unwinding, then a special implementation can be selected which may run much faster than the generic implementation which supports both kinds of unwinding. To select this optimized version, simply define the macro UNW_LOCAL_ONLY before including the headerfile \&. It is perfectly OK for a single program to employ both local\-only and generic unwinding. That is, whether or not UNW_LOCAL_ONLY is defined is a choice that each source\-file (compilation\-unit) can make on its own. Independent of the setting(s) of UNW_LOCAL_ONLY, you\&'ll always link the same library into the program (normally \fB\-l\fPunwind). Furthermore, the portion of libunwind that manages unwind\-info for dynamically generated code is not affected by the setting of UNW_LOCAL_ONLY\&. .PP If we put all of the above together, here is how we could use libunwind to write a function ``show_backtrace()\&'' which prints a classic stack trace: .PP .Vb #define UNW_LOCAL_ONLY #include void show_backtrace (void) { unw_cursor_t cursor; unw_context_t uc; unw_word_t ip, sp; unw_getcontext(&uc); unw_init_local(&cursor, &uc); while (unw_step(&cursor) > 0) { unw_get_reg(&cursor, UNW_REG_IP, &ip); unw_get_reg(&cursor, UNW_REG_SP, &sp); printf ("ip = %lx, sp = %lx\\n", (long) ip, (long) sp); } } .Ve .PP .SH REMOTE UNWINDING .PP Libunwind can also be used to unwind a stack in a ``remote\&'' process. Here, ``remote\&'' may mean another process on the same machine or even a process on a completely different machine from the one that is running libunwind\&. Remote unwinding is typically used by debuggers and instruction\-set simulators, for example. .PP Before you can unwind a remote process, you need to create a new address\-space object for that process. This is achieved with the unw_create_addr_space() routine. The routine takes two arguments: a pointer to a set of \fIaccessor\fP routines and an integer that specifies the byte\-order of the target process. The accessor routines provide libunwind with the means to communicate with the remote process. In particular, there are callbacks to read and write the process\&'s memory, its registers, and to access unwind information which may be needed by libunwind\&. .PP With the address space created, unwinding can be initiated by a call to unw_init_remote(). This routine is very similar to unw_init_local(), except that it takes an address\-space object and an opaque pointer as arguments. The routine uses these arguments to fetch the initial machine state. Libunwind never uses the opaque pointer on its own, but instead just passes it on to the accessor (callback) routines. Typically, this pointer is used to select, e.g., the thread within a process that is to be unwound. .PP Once a cursor has been initialized with unw_init_remote(), unwinding works exactly like in the local case. That is, you can use unw_step() to move ``up\&'' in the call\-chain, read and write registers, or resume execution at a particular stack frame by calling unw_resume\&. .PP .SH CROSS\-PLATFORM AND MULTI\-PLATFORM UNWINDING .PP Libunwind has been designed to enable unwinding across platforms (architectures). Indeed, a single program can use libunwind to unwind an arbitrary number of target platforms, all at the same time! .PP We call the machine that is running libunwind the \fIhost\fP and the machine that is running the process being unwound the \fItarget\fP\&. If the host and the target platform are the same, we call it \fInative\fP unwinding. If they differ, we call it \fIcross\-platform\fP unwinding. .PP The principle behind supporting native, cross\-platform, and multi\-platform unwinding is very simple: for native unwinding, a program includes and uses the linker switch \fB\-l\fPunwind\&. For cross\-platform unwinding, a program includes and uses the linker switch \fB\-l\fPunwind\-PLAT, where PLAT is the name of the target platform (e.g., ia64 for IA\-64, hppa\-elf for ELF\-based HP PA\-RISC, or x86 for 80386). Multi\-platform unwinding works exactly like cross\-platform unwinding, the only limitation is that a single source file (compilation unit) can include at most one libunwind header file. In other words, the platform\-specific support for each supported target needs to be isolated in separate source files\-\-\-a limitation that shouldn\&'t be an issue in practice. .PP Note that, by definition, local unwinding is possible only for the native case. Attempting to call, e.g., unw_local_init() when targeting a cross\-platform will result in a link\-time error (unresolved references). .PP .SH THREAD\- AND SIGNAL\-SAFETY .PP All libunwind routines are thread\-safe. What this means is that multiple threads may use libunwind simulatenously. However, any given cursor may be accessed by only one thread at any given time. .PP To ensure thread\-safety, some libunwind routines may have to use locking. Such routines \fImust not\fP be called from signal handlers (directly or indirectly) and are therefore \fInot\fP signal\-safe. The manual page for each libunwind routine identifies whether or not it is signal\-safe, but as a general rule, any routine that may be needed for \fIlocal\fP unwinding is signal\-safe (e.g., unw_step() for local unwinding is signal\-safe). For remote\-unwinding, \fInone\fP of the libunwind routines are guaranteed to be signal\-safe. .PP .SH UNWINDING THROUGH DYNAMICALLY GENERATED CODE .PP Libunwind provides the routines _U_dyn_register() and _U_dyn_cancel() to register/cancel the information required to unwind through code that has been generated at runtime (e.g., by a just\-in\-time (JIT) compiler). It is important to register the information for \fIall\fP dynamically generated code because otherwise, a debugger may not be able to function properly or high\-level language exception handling may not work as expected. .PP The interface for registering and canceling dynamic unwind info has been designed for maximum efficiency, so as to minimize the performance impact on JIT\-compilers. In particular, both routines are guaranteed to execute in ``constant time\&'' (O(1)) and the data\-structure encapsulating the dynamic unwind info has been designed to facilitate sharing, such that similar procedures can share much of the underlying information. .PP For more information on the libunwind support for dynamically generated code, see libunwind\-dynamic(3)\&. .PP .SH CACHING OF UNWIND INFO .PP To speed up execution, libunwind may aggressively cache the information it needs to perform unwinding. If a process changes during its lifetime, this creates a risk of libunwind using stale data. For example, this would happen if libunwind were to cache information about a shared library which later on gets unloaded (e.g., via \fIdlclose\fP(3)). .PP To prevent the risk of using stale data, libunwind provides two facilities: first, it is possible to flush the cached information associated with a specific address range in the target process (or the entire address space, if desired). This functionality is provided by unw_flush_cache(). The second facility is provided by unw_set_caching_policy(), which lets a program select the exact caching policy in use for a given address\-space object. In particular, by selecting the policy UNW_CACHE_NONE, it is possible to turn off caching completely, therefore eliminating the risk of stale data alltogether (at the cost of slower execution). By default, caching is enabled for local unwinding only. The cache size can be dynamically changed with unw_set_cache_size(), which also fluches the current cache. .PP .SH FILES .PP .TP libunwind.h Headerfile to include for native (same platform) unwinding. .TP libunwind\-PLAT\&.h Headerfile to include when the unwind target runs on platform PLAT\&. For example, to unwind an IA\-64 program, the header file libunwind\-ia64.h should be included. .TP \fB\-l\fPunwind Linker\-switch to add when building a program that does native (same platform) unwinding. .TP \fB\-l\fPunwind\-PLAT Linker\-switch to add when building a program that unwinds a program on platform PLAT\&. For example, to (cross\-)unwind an IA\-64 program, the linker switch \-lunwind\-ia64 should be added. Note: multiple such switches may need to be specified for programs that can unwind programs on multiple platforms. .PP .SH SEE ALSO .PP libunwind\-dynamic(3), libunwind\-ia64(3), libunwind\-ptrace(3), libunwind\-setjmp(3), unw_create_addr_space(3), unw_destroy_addr_space(3), unw_flush_cache(3), unw_get_accessors(3), unw_get_fpreg(3), unw_get_proc_info(3), unw_get_proc_name(3), unw_get_reg(3), unw_getcontext(3), unw_init_local(3), unw_init_remote(3), unw_is_fpreg(3), unw_is_signal_frame(3), unw_regname(3), unw_resume(3), unw_set_caching_policy(3), unw_set_cache_size(3), unw_set_fpreg(3), unw_set_reg(3), unw_step(3), unw_strerror(3), _U_dyn_register(3), _U_dyn_cancel(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_get_proc_info_by_ip.man0000644000175000017500000000612413406556425016600 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_PROC\\_INFO\\_BY\\_IP" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_proc_info_by_ip \-\- get procedure info by IP .PP .SH SYNOPSIS .PP #include .br .PP int unw_get_proc_info_by_ip(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pip, void *arg); .br .PP .SH DESCRIPTION .PP The unw_get_proc_info_by_ip() routine returns the same kind of auxiliary information about a procedure as unw_get_proc_info(), except that the info is looked up by instruction\-pointer (IP) instead of a cursor. This is more flexible because it is possible to look up the info for an arbitrary procedure, even if it is not part of the current call\-chain. However, since it is more flexible, it also tends to run slower (and often much slower) than unw_get_proc_info(). .PP The routine expects the followins arguments: as is the address\-space in which the instruction\-pointer should be looked up. For a look\-up in the local address\-space, unw_local_addr_space can be passed for this argument. Argument ip is the instruction\-pointer for which the procedure info should be looked up and pip is a pointer to a structure of type unw_proc_info_t which is used to return the info. Lastly, arg is the address\-space argument that should be used when accessing the address\-space. It has the same purpose as the argument of the same name for unw_init_remote(). When accessing the local address\-space (first argument is unw_local_addr_space), NULL must be passed for this argument. .PP Note that for the purposes of libunwind, the code of a procedure is assumed to occupy a single, contiguous range of addresses. For this reason, it is alwas possible to describe the extent of a procedure with the start_ip and end_ip members. If a single function/routine is split into multiple, discontiguous pieces, libunwind will treat each piece as a separate procedure. .PP .SH RETURN VALUE .PP On successful completion, unw_get_proc_info_by_ip() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_get_proc_info() is thread\-safe. If the local address\-space is passed in argument as, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to locate unwind\-info for the procedure. .TP UNW_EBADVERSION The unwind\-info for the procedure has version or format that is not understood by libunwind\&. .PP In addition, unw_get_proc_info() may return any error returned by the access_mem() call\-back (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_get_proc_name(3), unw_get_proc_info(3), unw_init_remote(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_is_signal_frame.tex0000644000175000017500000000400713406556425015746 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_is\_signal\_frame}{David Mosberger-Tang}{Programming Library}{unw\_is\_signal\_frame}unw\_is\_signal\_frame -- check if current frame is a signal frame \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_is\_signal\_frame}(\Type{unw\_cursor\_t~*}\Var{cp});\\ \section{Description} The \Func{unw\_is\_signal\_frame}() routine returns a positive value if the current frame identified by \Var{cp} is a signal frame, and a value of 0 otherwise. For the purpose of this discussion, a signal frame is a frame that was created in response to a potentially asynchronous interruption. For UNIX and UNIX-like platforms, such frames are normally created by the kernel when delivering a signal. In a kernel-environment, a signal frame might, for example, correspond to a frame created in response to a device interrupt. Signal frames are somewhat unusual because the asynchronous nature of the events that create them require storing the contents of registers that are normally treated as scratch (``caller-saved'') registers. \section{Return Value} On successful completion, \Func{unw\_is\_signal\_frame}() returns a positive value if the current frame is a signal frame, or 0 if it is not. Otherwise, a negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_is\_signal\_frame}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} is unable to determine whether or not the current frame is a signal frame. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_get\_reg(3)}, \SeeAlso{unw\_set\_reg(3)}, \SeeAlso{unw\_get\_fpreg(3)}, \SeeAlso{unw\_set\_fpreg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_proc_name.tex0000644000175000017500000000602113406556425015424 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_proc\_name}{David Mosberger-Tang}{Programming Library}{unw\_get\_proc\_name}unw\_get\_proc\_name -- get name of current procedure \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_get\_proc\_name}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{char~*}\Var{bufp}, \Type{size\_t} \Var{len}, \Type{unw\_word\_t~*}\Var{offp});\\ \section{Description} The \Func{unw\_get\_proc\_name}() routine returns the name of the procedure that created the stack frame identified by argument \Var{cp}. The \Var{bufp} argument is a pointer to a character buffer that is at least \Var{len} bytes long. This buffer is used to return the name of the procedure. The \Var{offp} argument is a pointer to a word that is used to return the byte-offset of the instruction-pointer saved in the stack frame identified by \Var{cp}, relative to the start of the procedure. For example, if procedure \Func{foo}() starts at address 0x40003000, then invoking \Func{unw\_get\_proc\_name}() on a stack frame with an instruction-pointer value of 0x40003080 would return a value of 0x80 in the word pointed to by \Var{offp} (assuming the procedure is at least 0x80 bytes long). Note that on some platforms there is no reliable way to distinguish between procedure names and ordinary labels. Furthermore, if symbol information has been stripped from a program, procedure names may be completely unavailable or may be limited to those exported via a dynamic symbol table. In such cases, \Func{unw\_get\_proc\_name}() may return the name of a label or a preceeding (nearby) procedure. However, the offset returned through \Var{offp} is always relative to the returned name, which ensures that the value (address) of the returned name plus the returned offset will always be equal to the instruction-pointer of the stack frame identified by \Var{cp}. \section{Return Value} On successful completion, \Func{unw\_get\_proc\_name}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_get\_proc\_name}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to determine the name of the procedure. \item[\Const{UNW\_ENOMEM}] The procedure name is too long to fit in the buffer provided. A truncated version of the name has been returned. \end{Description} In addition, \Func{unw\_get\_proc\_name}() may return any error returned by the \Func{access\_mem}() call-back (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_get\_proc\_info(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_get_accessors.man0000644000175000017500000000273113406556425015425 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_ACCESSORS" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_accessors \-\- get pointer to accessor call\-backs .PP .SH SYNOPSIS .PP #include .br .PP unw_accessors_t *unw_get_accessors(unw_addr_space_t as); .br .PP .SH DESCRIPTION .PP The unw_get_accessors() routine returns a pointer to a unw_accessors_t structure, which contains the call\-back routines that were specified when address space as was created (see unw_create_addr_space(3)). The returned pointer is guaranteed to remain valid until address space as is destroyed by a call to unw_destroy_addr_space(3). .PP Note that unw_get_accessors() can be used to retrieve the call\-back routines for the local address space unw_local_addr_space\&. .PP .SH RETURN VALUE .PP The unw_get_accessors() routine cannot fail and always returns a valid (non\-NULL) pointer to an unw_accessors_t structure. .PP .SH THREAD AND SIGNAL SAFETY .PP The unw_get_accessors() routine is thread\-safe as well as safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_destroy_addr_space(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_get_accessors.tex0000644000175000017500000000304713406556425015453 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_get\_accessors}{David Mosberger-Tang}{Programming Library}{unw\_get\_accessors}unw\_get\_accessors -- get pointer to accessor call-backs \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{unw\_accessors\_t~*}\Func{unw\_get\_accessors}(\Type{unw\_addr\_space\_t~}\Var{as});\\ \section{Description} The \Func{unw\_get\_accessors}() routine returns a pointer to a \Type{unw\_accessors\_t} structure, which contains the call-back routines that were specified when address space \Var{as} was created (see \Func{unw\_create\_addr\_space}(3)). The returned pointer is guaranteed to remain valid until address space \Var{as} is destroyed by a call to \Func{unw\_destroy\_addr\_space}(3). Note that \Func{unw\_get\_accessors}() can be used to retrieve the call-back routines for the local address space \Var{unw\_local\_addr\_space}. \section{Return Value} The \Func{unw\_get\_accessors}() routine cannot fail and always returns a valid (non-\Const{NULL}) pointer to an \Type{unw\_accessors\_t} structure. \section{Thread and Signal Safety} The \Func{unw\_get\_accessors}() routine is thread-safe as well as safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_destroy\_addr\_space(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/libunwind.trans0000644000175000017500000000265213406556425014261 00000000000000$manMacro1a{'Type'} = $manMacro1a{File}; $manMacro1b{'Type'} = $manMacro1b{File}; $htmlMacro1a{'Type'} = $htmlMacro1a{File}; $htmlMacro1b{'Type'} = $htmlMacro1b{File}; $texiMacro1a{'Type'} = $texiMacro1a{File}; $texiMacro1b{'Type'} = $texiMacro1b{File}; $manMacro1a{'Func'} = $manMacro1a{Prog}; $manMacro1b{'Func'} = $manMacro1b{Prog}; $htmlMacro1a{'Func'} = $htmlMacro1a{Arg}; $htmlMacro1b{'Func'} = $htmlMacro1b{Arg}; $texiMacro1a{'Func'} = $texiMacro1a{Prog}; $texiMacro1b{'Func'} = $texiMacro1b{Prog}; $manMacro1a{'Var'} = $manMacro1a{Prog}; $manMacro1b{'Var'} = $manMacro1b{Prog}; $htmlMacro1a{'Var'} = $htmlMacro1a{Prog}; $htmlMacro1b{'Var'} = $htmlMacro1b{Prog}; $texiMacro1a{'Var'} = $texiMacro1a{Prog}; $texiMacro1b{'Var'} = $texiMacro1b{Prog}; $manMacro1a{'Const'} = $manMacro1a{File}; $manMacro1b{'Const'} = $manMacro1b{File}; $htmlMacro1a{'Const'} = $htmlMacro1a{File}; $htmlMacro1b{'Const'} = $htmlMacro1b{File}; $texiMacro1a{'Const'} = $texiMacro1a{File}; $texiMacro1b{'Const'} = $texiMacro1b{File}; $manMacro1a{'SeeAlso'} = $manMacro1a{File}; $manMacro1b{'SeeAlso'} = $manMacro1b{File}; # special handling of SeeAlso in latex2man, so that argument gets doubled: $htmlMacro2a{'SeeAlso'} = "$htmlMacro1a{File}"; $htmlMacro2c{'SeeAlso'} = "$htmlMacro1b{File}"; $texiMacro1a{'SeeAlso'} = $texiMacro1a{File}; $texiMacro1b{'SeeAlso'} = $texiMacro1b{File}; libunwind-1.3.2/doc/unw_strerror.man0000644000175000017500000000172213406556425014462 00000000000000'\" t .\" Manual page created with latex2man on Wed Aug 18 16:51:29 CEST 2004 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_STRERROR" "3" "18 August 2004" "Programming Library " "Programming Library " .SH NAME unw_strerror \-\- get text corresponding to error code .PP .SH SYNOPSIS .PP #include .br .PP const char * unw_strerror(int err_code); .br .PP .SH DESCRIPTION .PP The unw_strerror() routine maps the (negative) err_code to a corresponding text message and returns it. .PP .SH RETURN VALUE .PP The message that corresponds to err_code or, if the err_code has no corresponding message, the text "invalid error code". .PP .SH THREAD AND SIGNAL SAFETY .PP unw_strerror() is thread\-safe as well as safe to use from a signal handler. .PP .SH AUTHOR .PP Thomas Hallgren .br BEA Systems .br Stockholm, Sweden .br Email: \fBthallgre@bea.com\fP .br .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_get_proc_name.man0000644000175000017500000000551013406556425015401 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_PROC\\_NAME" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_proc_name \-\- get name of current procedure .PP .SH SYNOPSIS .PP #include .br .PP int unw_get_proc_name(unw_cursor_t *cp, char *bufp, size_t len, unw_word_t *offp); .br .PP .SH DESCRIPTION .PP The unw_get_proc_name() routine returns the name of the procedure that created the stack frame identified by argument cp\&. The bufp argument is a pointer to a character buffer that is at least len bytes long. This buffer is used to return the name of the procedure. The offp argument is a pointer to a word that is used to return the byte\-offset of the instruction\-pointer saved in the stack frame identified by cp, relative to the start of the procedure. For example, if procedure foo() starts at address 0x40003000, then invoking unw_get_proc_name() on a stack frame with an instruction\-pointer value of 0x40003080 would return a value of 0x80 in the word pointed to by offp (assuming the procedure is at least 0x80 bytes long). .PP Note that on some platforms there is no reliable way to distinguish between procedure names and ordinary labels. Furthermore, if symbol information has been stripped from a program, procedure names may be completely unavailable or may be limited to those exported via a dynamic symbol table. In such cases, unw_get_proc_name() may return the name of a label or a preceeding (nearby) procedure. However, the offset returned through offp is always relative to the returned name, which ensures that the value (address) of the returned name plus the returned offset will always be equal to the instruction\-pointer of the stack frame identified by cp\&. .PP .SH RETURN VALUE .PP On successful completion, unw_get_proc_name() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_get_proc_name() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to determine the name of the procedure. .TP UNW_ENOMEM The procedure name is too long to fit in the buffer provided. A truncated version of the name has been returned. .PP In addition, unw_get_proc_name() may return any error returned by the access_mem() call\-back (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_get_proc_info(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_init_remote.tex0000644000175000017500000000551713406556425015151 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_init\_remote}{David Mosberger-Tang}{Programming Library}{unw\_init\_remote}unw\_init\_remote -- initialize cursor for remote unwinding \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_init\_remote}(\Type{unw\_cursor\_t~*}\Var{c}, \Type{unw\_addr\_space\_t~}\Var{as}, \Type{void~*}\Var{arg});\\ \section{Description} The \Func{unw\_init\_remote}() routine initializes the unwind cursor pointed to by \Var{c} for unwinding in the address space identified by \Var{as}. The \Var{as} argument can either be set to \Var{unw\_local\_addr\_space} (local address space) or to an arbitrary address space created with \Func{unw\_create\_addr\_space}(). The \Var{arg} void-pointer tells the address space exactly what entity should be unwound. For example, if \Var{unw\_local\_addr\_space} is passed in \Var{as}, then \Var{arg} needs to be a pointer to a context structure containing the machine-state of the initial stack frame. However, other address-spaces may instead expect a process-id, a thread-id, or a pointer to an arbitrary structure which identifies the stack-frame chain to be unwound. In other words, the interpretation of \Var{arg} is entirely dependent on the address-space in use; \Prog{libunwind} never interprets the argument in any way on its own. Note that \Func{unw\_init\_remote}() can be used to initiate unwinding in \emph{any} process, including the local process in which the unwinder itself is running. However, for local unwinding, it is generally preferable to use \Func{unw\_init\_local}() instead, because it is easier to use and because it may perform better. \section{Return Value} On successful completion, \Func{unw\_init\_remote}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_init\_remote}() is thread-safe. If the local address-space is passed in argument \Var{as}, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EINVAL}] \Func{unw\_init\_remote}() was called in a version of \Prog{libunwind} which supports local unwinding only (this normally happens when defining \Const{UNW\_LOCAL\_ONLY} before including \File{$<$libunwind.h$>$} and then calling \Func{unw\_init\_remote}()). \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] A register needed by \Func{unw\_init\_remote}() wasn't accessible. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_init\_local(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/libunwind.tex0000644000175000017500000004007013406755365013732 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{libunwind}{David Mosberger-Tang}{Programming Library}{Introduction to libunwind}libunwind -- a (mostly) platform-independent unwind API \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \noindent \Type{int} \Func{unw\_getcontext}(\Type{unw\_context\_t~*});\\ \noindent \Type{int} \Func{unw\_init\_local}(\Type{unw\_cursor\_t~*}, \Type{unw\_context\_t~*});\\ \noindent \Type{int} \Func{unw\_init\_remote}(\Type{unw\_cursor\_t~*}, \Type{unw\_addr\_space\_t}, \Type{void~*});\\ \noindent \Type{int} \Func{unw\_step}(\Type{unw\_cursor\_t~*});\\ \noindent \Type{int} \Func{unw\_get\_reg}(\Type{unw\_cursor\_t~*}, \Type{unw\_regnum\_t}, \Type{unw\_word\_t~*});\\ \noindent \Type{int} \Func{unw\_get\_fpreg}(\Type{unw\_cursor\_t~*}, \Type{unw\_regnum\_t}, \Type{unw\_fpreg\_t~*});\\ \noindent \Type{int} \Func{unw\_set\_reg}(\Type{unw\_cursor\_t~*}, \Type{unw\_regnum\_t}, \Type{unw\_word\_t});\\ \noindent \Type{int} \Func{unw\_set\_fpreg}(\Type{unw\_cursor\_t~*}, \Type{unw\_regnum\_t}, \Type{unw\_fpreg\_t});\\ \noindent \Type{int} \Func{unw\_resume}(\Type{unw\_cursor\_t~*});\\ \noindent \Type{unw\_addr\_space\_t} \Var{unw\_local\_addr\_space};\\ \noindent \Type{unw\_addr\_space\_t} \Func{unw\_create\_addr\_space}(\Type{unw\_accessors\_t}, \Type{int});\\ \noindent \Type{void} \Func{unw\_destroy\_addr\_space}(\Type{unw\_addr\_space\_t});\\ \noindent \Type{unw\_accessors\_t} \Func{unw\_get\_accessors}(\Type{unw\_addr\_space\_t});\\ \noindent \Type{void} \Func{unw\_flush\_cache}(\Type{unw\_addr\_space\_t}, \Type{unw\_word\_t}, \Type{unw\_word\_t});\\ \noindent \Type{int} \Func{unw\_set\_caching\_policy}(\Type{unw\_addr\_space\_t}, \Type{unw\_caching\_policy\_t});\\ \noindent \Type{int} \Func{unw\_set\_cache\_size}(\Type{unw\_addr\_space\_t}, \Type{size\_t}, \Type{int});\\ \noindent \Type{const char *}\Func{unw\_regname}(\Type{unw\_regnum\_t});\\ \noindent \Type{int} \Func{unw\_get\_proc\_info}(\Type{unw\_cursor\_t~*}, \Type{unw\_proc\_info\_t~*});\\ \noindent \Type{int} \Func{unw\_get\_save\_loc}(\Type{unw\_cursor\_t~*}, \Type{int}, \Type{unw\_save\_loc\_t~*});\\ \noindent \Type{int} \Func{unw\_is\_fpreg}(\Type{unw\_regnum\_t});\\ \Type{int} \Func{unw\_is\_signal\_frame}(\Type{unw\_cursor\_t~*});\\ \noindent \Type{int} \Func{unw\_get\_proc\_name}(\Type{unw\_cursor\_t~*}, \Type{char~*}, \Type{size\_t}, \Type{unw\_word\_t~*});\\ \noindent \Type{void} \Func{\_U\_dyn\_register}(\Type{unw\_dyn\_info\_t~*});\\ \noindent \Type{void} \Func{\_U\_dyn\_cancel}(\Type{unw\_dyn\_info\_t~*});\\ \section{Local Unwinding} \Prog{Libunwind} is very easy to use when unwinding a stack from within a running program. This is called \emph{local} unwinding. Say you want to unwind the stack while executing in some function \Func{F}(). In this function, you would call \Func{unw\_getcontext}() to get a snapshot of the CPU registers (machine-state). Then you initialize an \emph{unwind~cursor} based on this snapshot. This is done with a call to \Func{unw\_init\_local}(). The cursor now points to the current frame, that is, the stack frame that corresponds to the current activation of function \Func{F}(). The unwind cursor can then be moved ``up'' (towards earlier stack frames) by calling \Func{unw\_step}(). By repeatedly calling this routine, you can uncover the entire call-chain that led to the activation of function \Func{F}(). A positive return value from \Func{unw\_step}() indicates that there are more frames in the chain, zero indicates that the end of the chain has been reached, and any negative value indicates that some sort of error has occurred. While it is not possible to directly move the unwind cursor in the ``down'' direction (towards newer stack frames), this effect can be achieved by making copies of an unwind cursor. For example, a program that sometimes has to move ``down'' by one stack frame could maintain two cursor variables: ``\Var{curr}'' and ``\Var{prev}''. The former would be used as the current cursor and \Var{prev} would be maintained as the ``previous frame'' cursor by copying the contents of \Var{curr} to \Var{prev} right before calling \Func{unw\_step}(). With this approach, the program could move one step ``down'' simply by copying back \Var{prev} to \Var{curr} whenever that is necessary. In the most extreme case, a program could maintain a separate cursor for each call frame and that way it could move up and down the callframe-chain at will. Given an unwind cursor, it is possible to read and write the CPU registers that were preserved for the current stack frame (as identified by the cursor). \Prog{Libunwind} provides several routines for this purpose: \Func{unw\_get\_reg}() reads an integer (general) register, \Func{unw\_get\_fpreg}() reads a floating-point register, \Func{unw\_set\_reg}() writes an integer register, and \Func{unw\_set\_fpreg}() writes a floating-point register. Note that, by definition, only the \emph{preserved} machine state can be accessed during an unwind operation. Normally, this state consists of the \emph{callee-saved} (``preserved'') registers. However, in some special circumstances (e.g., in a signal handler trampoline), even the \emph{caller-saved} (``scratch'') registers are preserved in the stack frame and, in those cases, \Prog{libunwind} will grant access to them as well. The exact set of registers that can be accessed via the cursor depends, of course, on the platform. However, there are two registers that can be read on all platforms: the instruction pointer (IP), sometimes also known as the ``program counter'', and the stack pointer (SP). In \Prog{libunwind}, these registers are identified by the macros \Const{UNW\_REG\_IP} and \Const{UNW\_REG\_SP}, respectively. Besides just moving the unwind cursor and reading/writing saved registers, \Prog{libunwind} also provides the ability to resume execution at an arbitrary stack frame. As you might guess, this is useful for implementing non-local gotos and the exception handling needed by some high-level languages such as Java. Resuming execution with a particular stack frame simply requires calling \Func{unw\_resume}() and passing the cursor identifying the target frame as the only argument. Normally, \Prog{libunwind} supports both local and remote unwinding (the latter will be explained in the next section). However, if you tell libunwind that your program only needs local unwinding, then a special implementation can be selected which may run much faster than the generic implementation which supports both kinds of unwinding. To select this optimized version, simply define the macro \Const{UNW\_LOCAL\_ONLY} before including the headerfile \File{$<$libunwind.h$>$}. It is perfectly OK for a single program to employ both local-only and generic unwinding. That is, whether or not \Const{UNW\_LOCAL\_ONLY} is defined is a choice that each source-file (compilation-unit) can make on its own. Independent of the setting(s) of \Const{UNW\_LOCAL\_ONLY}, you'll always link the same library into the program (normally \Opt{-l}\File{unwind}). Furthermore, the portion of \Prog{libunwind} that manages unwind-info for dynamically generated code is not affected by the setting of \Const{UNW\_LOCAL\_ONLY}. If we put all of the above together, here is how we could use \Prog{libunwind} to write a function ``\Func{show\_backtrace}()'' which prints a classic stack trace: \begin{verbatim} #define UNW_LOCAL_ONLY #include void show_backtrace (void) { unw_cursor_t cursor; unw_context_t uc; unw_word_t ip, sp; unw_getcontext(&uc); unw_init_local(&cursor, &uc); while (unw_step(&cursor) > 0) { unw_get_reg(&cursor, UNW_REG_IP, &ip); unw_get_reg(&cursor, UNW_REG_SP, &sp); printf ("ip = %lx, sp = %lx\n", (long) ip, (long) sp); } } \end{verbatim} \section{Remote Unwinding} \Prog{Libunwind} can also be used to unwind a stack in a ``remote'' process. Here, ``remote'' may mean another process on the same machine or even a process on a completely different machine from the one that is running \Prog{libunwind}. Remote unwinding is typically used by debuggers and instruction-set simulators, for example. Before you can unwind a remote process, you need to create a new address-space object for that process. This is achieved with the \Func{unw\_create\_addr\_space}() routine. The routine takes two arguments: a pointer to a set of \emph{accessor} routines and an integer that specifies the byte-order of the target process. The accessor routines provide \Func{libunwind} with the means to communicate with the remote process. In particular, there are callbacks to read and write the process's memory, its registers, and to access unwind information which may be needed by \Func{libunwind}. With the address space created, unwinding can be initiated by a call to \Func{unw\_init\_remote}(). This routine is very similar to \Func{unw\_init\_local}(), except that it takes an address-space object and an opaque pointer as arguments. The routine uses these arguments to fetch the initial machine state. \Prog{Libunwind} never uses the opaque pointer on its own, but instead just passes it on to the accessor (callback) routines. Typically, this pointer is used to select, e.g., the thread within a process that is to be unwound. Once a cursor has been initialized with \Func{unw\_init\_remote}(), unwinding works exactly like in the local case. That is, you can use \Func{unw\_step}() to move ``up'' in the call-chain, read and write registers, or resume execution at a particular stack frame by calling \Func{unw\_resume}. \section{Cross-platform and Multi-platform Unwinding} \Prog{Libunwind} has been designed to enable unwinding across platforms (architectures). Indeed, a single program can use \Prog{libunwind} to unwind an arbitrary number of target platforms, all at the same time! We call the machine that is running \Prog{libunwind} the \emph{host} and the machine that is running the process being unwound the \emph{target}. If the host and the target platform are the same, we call it \emph{native} unwinding. If they differ, we call it \emph{cross-platform} unwinding. The principle behind supporting native, cross-platform, and multi-platform unwinding is very simple: for native unwinding, a program includes \File{$<$libunwind.h$>$} and uses the linker switch \Opt{-l}\File{unwind}. For cross-platform unwinding, a program includes \File{$<$libunwind-}\Var{PLAT}\File{.h$>$} and uses the linker switch \Opt{-l}\File{unwind-}\Var{PLAT}, where \Var{PLAT} is the name of the target platform (e.g., \File{ia64} for IA-64, \File{hppa-elf} for ELF-based HP PA-RISC, or \File{x86} for 80386). Multi-platform unwinding works exactly like cross-platform unwinding, the only limitation is that a single source file (compilation unit) can include at most one \Prog{libunwind} header file. In other words, the platform-specific support for each supported target needs to be isolated in separate source files---a limitation that shouldn't be an issue in practice. Note that, by definition, local unwinding is possible only for the native case. Attempting to call, e.g., \Func{unw\_local\_init}() when targeting a cross-platform will result in a link-time error (unresolved references). \section{Thread- and Signal-Safety} All \Prog{libunwind} routines are thread-safe. What this means is that multiple threads may use \Prog{libunwind} simulatenously. However, any given cursor may be accessed by only one thread at any given time. To ensure thread-safety, some \Prog{libunwind} routines may have to use locking. Such routines \emph{must~not} be called from signal handlers (directly or indirectly) and are therefore \emph{not} signal-safe. The manual page for each \Prog{libunwind} routine identifies whether or not it is signal-safe, but as a general rule, any routine that may be needed for \emph{local} unwinding is signal-safe (e.g., \Func{unw\_step}() for local unwinding is signal-safe). For remote-unwinding, \emph{none} of the \Prog{libunwind} routines are guaranteed to be signal-safe. \section{Unwinding Through Dynamically Generated Code} \Func{Libunwind} provides the routines \Func{\_U\_dyn\_register}() and \Func{\_U\_dyn\_cancel}() to register/cancel the information required to unwind through code that has been generated at runtime (e.g., by a just-in-time (JIT) compiler). It is important to register the information for \emph{all} dynamically generated code because otherwise, a debugger may not be able to function properly or high-level language exception handling may not work as expected. The interface for registering and canceling dynamic unwind info has been designed for maximum efficiency, so as to minimize the performance impact on JIT-compilers. In particular, both routines are guaranteed to execute in ``constant time'' (O(1)) and the data-structure encapsulating the dynamic unwind info has been designed to facilitate sharing, such that similar procedures can share much of the underlying information. For more information on the \Prog{libunwind} support for dynamically generated code, see \SeeAlso{libunwind-dynamic(3)}. \section{Caching of Unwind Info} To speed up execution, \Prog{libunwind} may aggressively cache the information it needs to perform unwinding. If a process changes during its lifetime, this creates a risk of \Prog{libunwind} using stale data. For example, this would happen if \Prog{libunwind} were to cache information about a shared library which later on gets unloaded (e.g., via \Cmd{dlclose}{3}). To prevent the risk of using stale data, \Prog{libunwind} provides two facilities: first, it is possible to flush the cached information associated with a specific address range in the target process (or the entire address space, if desired). This functionality is provided by \Func{unw\_flush\_cache}(). The second facility is provided by \Func{unw\_set\_caching\_policy}(), which lets a program select the exact caching policy in use for a given address-space object. In particular, by selecting the policy \Const{UNW\_CACHE\_NONE}, it is possible to turn off caching completely, therefore eliminating the risk of stale data alltogether (at the cost of slower execution). By default, caching is enabled for local unwinding only. The cache size can be dynamically changed with \Func{unw\_set\_cache\_size}(), which also fluches the current cache. \section{Files} \begin{Description} \item[\File{libunwind.h}] Headerfile to include for native (same platform) unwinding. \item[\File{libunwind-}\Var{PLAT}\File{.h}] Headerfile to include when the unwind target runs on platform \Var{PLAT}. For example, to unwind an IA-64 program, the header file \File{libunwind-ia64.h} should be included. \item[\Opt{-l}\File{unwind}] Linker-switch to add when building a program that does native (same platform) unwinding. \item[\Opt{-l}\File{unwind-}\Var{PLAT}] Linker-switch to add when building a program that unwinds a program on platform \Var{PLAT}. For example, to (cross-)unwind an IA-64 program, the linker switch \File{-lunwind-ia64} should be added. Note: multiple such switches may need to be specified for programs that can unwind programs on multiple platforms. \end{Description} \section{See Also} \SeeAlso{libunwind-dynamic(3)}, \SeeAlso{libunwind-ia64(3)}, \SeeAlso{libunwind-ptrace(3)}, \SeeAlso{libunwind-setjmp(3)}, \SeeAlso{unw\_create\_addr\_space(3)}, \SeeAlso{unw\_destroy\_addr\_space(3)}, \SeeAlso{unw\_flush\_cache(3)}, \SeeAlso{unw\_get\_accessors(3)}, \SeeAlso{unw\_get\_fpreg(3)}, \SeeAlso{unw\_get\_proc\_info(3)}, \SeeAlso{unw\_get\_proc\_name(3)}, \SeeAlso{unw\_get\_reg(3)}, \SeeAlso{unw\_getcontext(3)}, \SeeAlso{unw\_init\_local(3)}, \SeeAlso{unw\_init\_remote(3)}, \SeeAlso{unw\_is\_fpreg(3)}, \SeeAlso{unw\_is\_signal\_frame(3)}, \SeeAlso{unw\_regname(3)}, \SeeAlso{unw\_resume(3)}, \SeeAlso{unw\_set\_caching\_policy(3)}, \SeeAlso{unw\_set\_cache\_size(3)}, \SeeAlso{unw\_set\_fpreg(3)}, \SeeAlso{unw\_set\_reg(3)}, \SeeAlso{unw\_step(3)}, \SeeAlso{unw\_strerror(3)}, \SeeAlso{\_U\_dyn\_register(3)}, \SeeAlso{\_U\_dyn\_cancel(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/_U_dyn_register.man0000644000175000017500000000236313406556425015032 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "\\_U\\_DYN\\_REGISTER" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME _U_dyn_register \-\- register unwind\-info for dynamically generated code .PP .SH SYNOPSIS .PP #include .br .PP void _U_dyn_register(unw_dyn_info_t *di); .br .PP .SH DESCRIPTION .PP The _U_dyn_register() routine registers unwind\-info for a dynamically generated procedure. The procedure\&'s unwind\-info is described by a structure of type unw_dyn_info_t (see libunwind\-dynamic(3)). A pointer to this structure is passed in argument di\&. .PP The _U_dyn_register() routine is guaranteed to execute in constant time (in the absence of contention from concurrent calls to _U_dyn_register() or _U_dyn_cancel()). .PP .SH THREAD AND SIGNAL SAFETY .PP _U_dyn_register() is thread\-safe but \fInot\fP safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind\-dynamic(3), _U_dyn_cancel(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_init_local2.man0000644000175000017500000000003213406755365014774 00000000000000.so man3/unw_init_local.3 libunwind-1.3.2/doc/_U_dyn_register.tex0000644000175000017500000000243413406556425015056 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{\_U\_dyn\_register}{David Mosberger-Tang}{Programming Library}{\_U\_dyn\_register}\_U\_dyn\_register -- register unwind-info for dynamically generated code \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{void} \Func{\_U\_dyn\_register}(\Type{unw\_dyn\_info\_t~*}\Var{di});\\ \section{Description} The \Func{\_U\_dyn\_register}() routine registers unwind-info for a dynamically generated procedure. The procedure's unwind-info is described by a structure of type \Type{unw\_dyn\_info\_t} (see \SeeAlso{libunwind-dynamic(3)}). A pointer to this structure is passed in argument \Var{di}. The \Func{\_U\_dyn\_register}() routine is guaranteed to execute in constant time (in the absence of contention from concurrent calls to \Func{\_U\_dyn\_register}() or \Func{\_U\_dyn\_cancel}()). \section{Thread and Signal Safety} \Func{\_U\_dyn\_register}() is thread-safe but \emph{not} safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind-dynamic(3)}, \SeeAlso{\_U\_dyn\_cancel(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_reg_states_iterate.man0000644000175000017500000000556013406755365016465 00000000000000'\" t .\" Manual page created with latex2man on Wed Aug 16 11:09:44 PDT 2017 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_REG\\_STATES\\_ITERATE" "3" "16 August 2017" "Programming Library " "Programming Library " .SH NAME unw_reg_states_iterate \-\- get register state info on current procedure .PP .SH SYNOPSIS .PP #include .br .PP int unw_reg_states_iterate(unw_cursor_t *cp, unw_reg_states_callbackcb, void *token); .br .PP .SH DESCRIPTION .PP The unw_reg_states_iterate() routine provides information about the procedure that created the stack frame identified by argument cp\&. The cb argument is a pointer to a function of type unw_reg_states_callback which is used to return the information. The function unw_reg_states_callback has the following definition: .PP int ( *unw_reg_states_callback)(void *token, void *reg_states_data, size_t reg_states_data_size, unw_word_t start_ip, unw_word_t end_ip); .PP The callback function may be invoked several times for each call of unw_reg_states_iterate\&. Each call is associcated with a instruction address range and a set of instructions on how to update register values when returning from the procedure in that address range. For each invocation, the arguments to the callback function are: .TP void * token The token value passed to unw_reg_states_callback\&. .br .TP void * reg_states_data A pointer to data about updating register values. This data, or a copy of it, can be passed to unw_apply_reg_state\&. .br .TP int reg_states_data_size The size of the register update data. .br .TP unw_word_t start_ip The address of the first instruction of the address range. .br .TP unw_word_t end_ip The address of the first instruction \fIbeyond\fP the end of the address range. .br .PP .SH RETURN VALUE .PP On successful completion, unw_reg_states_iterate() returns 0. If the callback function returns a nonzero value, that indicates failure and the function returns immediately. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_reg_states_iterate() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to locate unwind\-info for the procedure. .TP UNW_EBADVERSION The unwind\-info for the procedure has version or format that is not understood by libunwind\&. .PP In addition, unw_reg_states_iterate() may return any error returned by the access_mem() call\-back (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_apply_reg_state(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_destroy_addr_space.man0000644000175000017500000000201013406556425016425 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_DESTROY\\_ADDR\\_SPACE" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_destroy_addr_space \-\- destroy unwind address space .PP .SH SYNOPSIS .PP #include .br .PP void unw_destroy_addr_space(unw_addr_space_t as); .br .PP .SH DESCRIPTION .PP The unw_destroy_addr_space() routine destroys the address space specified by argument as and thereby releases all associated resources (such as memory). .PP Applications must not destroy the local address space unw_local_addr_space\&. Attempting to do so results in undefined behavior (e.g., the application may crash). .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/libunwind-ia64.tex0000644000175000017500000002370213406556425014472 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{libunwind-ia64}{David Mosberger-Tang}{Programming Library}{IA-64-specific support in libunwind}libunwind-ia64 -- IA-64-specific support in libunwind \end{Name} \section{Introduction} The IA-64 version of \Prog{libunwind} uses a platform-string of \texttt{ia64} and, at least in theory, should be able to support all operating systems adhering to the processor-specific ABI defined for the Itanium Processor Family. This includes both little-endian Linux and big-endian HP-UX. Furthermore, to make it possible for a single library to unwind both 32- and 64-bit targets, the type \Type{unw\_word\_t} is always defined to be 64 bits wide (independent of the natural word-size of the host). Having said that, the current implementation has been tested only with IA-64 Linux. When targeting IA-64, the \Prog{libunwind} header file defines the macro \Const{UNW\_TARGET\_IA64} as 1 and the macro \Const{UNW\_TARGET} as ``ia64'' (without the quotation marks). The former makes it possible for platform-dependent unwind code to use conditional-compilation to select an appropriate implementation. The latter is useful for stringification purposes and to construct target-platform-specific symbols. One special feature of IA-64 is the use of NaT bits to support speculative execution. Often, NaT bits are thought of as the ``65-th bit'' of a general register. However, to make everything fit into 64-bit wide \Type{unw\_word\_t} values, \Prog{libunwind} treats the NaT-bits like separate boolean registers, whose 64-bit value is either TRUE (non-zero) or FALSE (zero). \section{Machine-State} The machine-state (set of registers) that is accessible through \Prog{libunwind} depends on the type of stack frame that a cursor points to. For normal frames, all ``preserved'' (callee-saved) registers are accessible. For signal-trampoline frames, all registers (including ``scratch'' (caller-saved) registers) are accessible. Most applications do not have to worry a-priori about which registers are accessible when. In case of doubt, it is always safe to \emph{try} to access a register (via \Func{unw\_get\_reg}() or \Func{unw\_get\_fpreg}()) and if the register isn't accessible, the call will fail with a return-value of \texttt{-}\Const{UNW\_EBADREG}. As a special exception to the above general rule, scratch registers \texttt{r15}-\texttt{r18} are always accessible, even in normal frames. This makes it possible to pass arguments, e.g., to exception handlers. For a detailed description of the IA-64 register usage convention, please see the ``Itanium Software Conventions and Runtime Architecture Guide'', available at: \begin{center} \URL{http://www.intel.com/design/itanium/downloads/245358.htm} \end{center} \section{Register Names} The IA-64-version of \Prog{libunwind} defines three kinds of register name macros: frame-register macros, normal register macros, and convenience macros. Below, we describe each kind in turn: \subsection{Frame-register Macros} Frame-registers are special (pseudo) registers because they always have a valid value, even though sometimes they do not get saved explicitly (e.g., if a memory stack frame is 16 bytes in size, the previous stack-pointer value can be calculated simply as \texttt{sp+16}, so there is no need to save the stack-pointer explicitly). Moreover, the set of frame register values uniquely identifies a stack frame. The IA-64 architecture defines two stacks (a memory and a register stack). Including the instruction-pointer (IP), this means there are three frame registers: \begin{Description} \item[\Const{UNW\_IA64\_IP}:] Contains the instruction pointer (IP, or ``program counter'') of the current stack frame. Given this value, the remaining machine-state corresponds to the register-values that were present in the CPU when it was just about to execute the instruction pointed to by \Const{UNW\_IA64\_IP}. Bits 0 and 1 of this frame-register encode the slot number of the instruction. \textbf{Note:} Due to the way the call instruction works on IA-64, the slot number is usually zero, but can be non-zero, e.g., in the stack-frame of a signal-handler trampoline. \item[\Const{UNW\_IA64\_SP}:] Contains the (memory) stack-pointer value (SP). \item[\Const{UNW\_IA64\_BSP}:] Contains the register backing-store pointer (BSP). \textbf{Note:} the value in this register is equal to the contents of register \texttt{ar.bsp} at the time the instruction at \Const{UNW\_IA64\_IP} was about to begin execution. \end{Description} \subsection{Normal Register Macros} The following normal register name macros are available: \begin{Description} \item[\Const{UNW\_IA64\_GR}:] The base-index for general (integer) registers. Add an index in the range from 0..127 to get a particular general register. For example, to access \texttt{r4}, the index \Const{UNW\_IA64\_GR}\texttt{+4} should be used. Registers \texttt{r0} and \texttt{r1} (\texttt{gp}) are read-only, and any attempt to write them will result in an error (\texttt{-}\Const{UNW\_EREADONLYREG}). Even though \texttt{r1} is read-only, \Prog{libunwind} will automatically adjust its value if the instruction-pointer (\Const{UNW\_IA64\_IP}) is modified. For example, if \Const{UNW\_IA64\_IP} is set to a value inside a function \Func{func}(), then reading \Const{UNW\_IA64\_GR}\texttt{+1} will return the global-pointer value for this function. \item[\Const{UNW\_IA64\_NAT}:] The base-index for the NaT bits of the general (integer) registers. A non-zero value in these registers corresponds to a set NaT-bit. Add an index in the range from 0..127 to get a particular NaT-bit register. For example, to access the NaT bit of \texttt{r4}, the index \Const{UNW\_IA64\_NAT}\texttt{+4} should be used. \item[\Const{UNW\_IA64\_FR}:] The base-index for floating-point registers. Add an index in the range from 0..127 to get a particular floating-point register. For example, to access \texttt{f2}, the index \Const{UNW\_IA64\_FR}\texttt{+2} should be used. Registers \texttt{f0} and \texttt{f1} are read-only, and any attempt to write to indices \Const{UNW\_IA64\_FR}\texttt{+0} or \Const{UNW\_IA64\_FR}\texttt{+1} will result in an error (\texttt{-}\Const{UNW\_EREADONLYREG}). \item[\Const{UNW\_IA64\_AR}:] The base-index for application registers. Add an index in the range from 0..127 to get a particular application register. For example, to access \texttt{ar40}, the index \Const{UNW\_IA64\_AR}\texttt{+40} should be used. The IA-64 architecture defines several application registers as ``reserved for future use''. Attempting to access such registers results in an error (\texttt{-}\Const{UNW\_EBADREG}). \item[\Const{UNW\_IA64\_BR}:] The base-index for branch registers. Add an index in the range from 0..7 to get a particular branch register. For example, to access \texttt{b6}, the index \Const{UNW\_IA64\_BR}\texttt{+6} should be used. \item[\Const{UNW\_IA64\_PR}:] Contains the set of predicate registers. This 64-bit wide register contains registers \texttt{p0} through \texttt{p63} in the ``broad-side'' format. Just like with the ``move predicates'' instruction, the registers are mapped as if \texttt{CFM.rrb.pr} were set to 0. Thus, in general the value of predicate register \texttt{p}$N$ with $N$>=16 can be found in bit \texttt{16 + (($N$-16)+CFM.rrb.pr) \% 48}. \item[\Const{UNW\_IA64\_CFM}:] Contains the current-frame-mask register. \end{Description} \subsection{Convenience Macros} Convenience macros are simply aliases for certain frequently used registers: \begin{Description} \item[\Const{UNW\_IA64\_GP}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+1}, the global-pointer register. \item[\Const{UNW\_IA64\_TP}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+13}, the thread-pointer register. \item[\Const{UNW\_IA64\_AR\_RSC}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+16}, the register-stack configuration register. \item[\Const{UNW\_IA64\_AR\_BSP}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+17}. This register index accesses the value of register \texttt{ar.bsp} as of the time it was last saved explicitly. This is rarely what you want. Normally, you'll want to use \Const{UNW\_IA64\_BSP} instead. \item[\Const{UNW\_IA64\_AR\_BSPSTORE}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+18}, the register-backing store write pointer. \item[\Const{UNW\_IA64\_AR\_RNAT}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+19}, the register-backing store NaT-collection register. \item[\Const{UNW\_IA64\_AR\_CCV}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+32}, the compare-and-swap value register. \item[\Const{UNW\_IA64\_AR\_CSD}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+25}, the compare-and-swap-data register (used by 16-byte atomic operations). \item[\Const{UNW\_IA64\_AR\_UNAT}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+36}, the user NaT-collection register. \item[\Const{UNW\_IA64\_AR\_FPSR}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+40}, the floating-point status (and control) register. \item[\Const{UNW\_IA64\_AR\_PFS}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+64}, the previous frame-state register. \item[\Const{UNW\_IA64\_AR\_LC}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+65} the loop-count register. \item[\Const{UNW\_IA64\_AR\_EC}:] Alias for \Const{UNW\_IA64\_GR}\texttt{+66}, the epilogue-count register. \end{Description} \section{The Unwind-Context Type} On IA-64, \Type{unw\_context\_t} is simply an alias for \Type{ucontext\_t} (as defined by the Single UNIX Spec). This implies that it is possible to initialize a value of this type not just with \Func{unw\_getcontext}(), but also with \Func{getcontext}(), for example. However, since this is an IA-64-specific extension to \Prog{libunwind}, portable code should not rely on this equivalence. \section{See Also} \SeeAlso{libunwind(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_backtrace.tex0000644000175000017500000000323613406556425014546 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_backtrace}{David Mosberger-Tang}{Programming Library}{unw\_backtrace}unw\_backtrace -- return backtrace for the calling program \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_backtrace}(\Type{void~**}\Var{buffer}, \Type{int}~\Var{size});\\ \File{\#include $<$execinfo.h$>$}\\ \Type{int} \Func{backtrace}(\Type{void~**}\Var{buffer}, \Type{int}~\Var{size});\\ \section{Description} \Func{unw\_backtrace}() is a convenient routine for obtaining the backtrace for the calling program. The routine fills up to \Var{size} addresses in the array pointed by \Var{buffer}. The routine is only available for local unwinding. Note that many (but not all) systems provide practically identical function called \Func{backtrace}(). The prototype for this function is usually obtained by including the \File{$<$execinfo.h$>$} header file -- a prototype for \Func{backtrace}() is not provided by \Prog{libunwind}. \Prog{libunwind} weakly aliases \Func{backtrace}() to \Func{unw\_backtrace}(), so when a program calling \Func{backtrace}() is linked against \Prog{libunwind}, it may end up calling \Func{unw\_backtrace}(). \section{Return Value} The routine returns the number of addresses stored in the array pointed by \Var{buffer}. The return value may be zero to indicate that no addresses were stored. \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_step(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_resume.tex0000644000175000017500000000722313406556425014127 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_resume}{David Mosberger-Tang}{Programming Library}{unw\_resume}unw\_resume -- resume execution in a particular stack frame \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_resume}(\Type{unw\_cursor\_t~*}\Var{cp});\\ \section{Description} The \Func{unw\_resume}() routine resumes execution at the stack frame identified by \Var{cp}. The behavior of this routine differs slightly for local and remote unwinding. For local unwinding, \Func{unw\_resume}() restores the machine state and then directly resumes execution in the target stack frame. Thus \Func{unw\_resume}() does not return in this case. Restoring the machine state normally involves restoring the ``preserved'' (callee-saved) registers. However, if execution in any of the stack frames younger (more deeply nested) than the one identified by \Var{cp} was interrupted by a signal, then \Func{unw\_resume}() will restore all registers as well as the signal mask. Attempting to call \Func{unw\_resume}() on a cursor which identifies the stack frame of another thread results in undefined behavior (e.g., the program may crash). For remote unwinding, \Func{unw\_resume}() installs the machine state identified by the cursor by calling the \Func{access\_reg} and \Func{access\_fpreg} accessor callbacks as needed. Once that is accomplished, the \Func{resume} accessor callback is invoked. The \Func{unw\_resume} routine then returns normally (that is, unlikely for local unwinding, \Func{unw\_resume} will always return for remote unwinding). Most platforms reserve some registers to pass arguments to exception handlers (e.g., IA-64 uses \texttt{r15}-\texttt{r18} for this purpose). These registers are normally treated like ``scratch'' registers. However, if \Prog{libunwind} is used to set an exception argument register to a particular value (e.g., via \Func{unw\_set\_reg}()), then \Func{unw\_resume}() will install this value as the contents of the register. In other words, the exception handling arguments are installed even in cases where normally only the ``preserved'' registers are restored. Note that \Func{unw\_resume}() does \emph{not} invoke any unwind handlers (aka, ``personality routines''). If a program needs this, it will have to do so on its own by obtaining the \Type{unw\_proc\_info\_t} of each unwound frame and appropriately processing its unwind handler and language-specific data area (lsda). These steps are generally dependent on the target-platform and are regulated by the processor-specific ABI (application-binary interface). \section{Return Value} For local unwinding, \Func{unw\_resume}() does not return on success. For remote unwinding, it returns 0 on success. On failure, the negative value of one of the errors below is returned. \section{Thread and Signal Safety} \Func{unw\_resume}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] A register needed by \Func{unw\_resume}() wasn't accessible. \item[\Const{UNW\_EINVALIDIP}] The instruction pointer identified by \Var{cp} is not valid. \item[\Const{UNW\_BADFRAME}] The stack frame identified by \Var{cp} is not valid. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_set\_reg(3)}, sigprocmask(2) \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/NOTES0000644000175000017500000001261713406556425012032 00000000000000The central data structure of the unwind API is the unwind cursor. This structure tracks the register contents. The unwind API defines a handful of well-known frame "registers": - ip: the instruction pointer (pc) - rp: the return pointer (rp, aka "return address" or "return link") - sp: the stack pointer (memory stack pointer, in the case of ia64) - fp: the frame pointer - first_ip: the starting address of the current "procedure" - handler: a pointer to an architecture & language-specific "personality" routine - lsda: a pointer to an architecture & language-specific data-area The API defines no well-known preserved registers. Each architecture can define additional registers as needed. Of course, a portable application may only rely on well-known registers. The names for preserved registers are defined in the architecture-specific header file . For example, to get the IA-64-specific register names, an application would do: #include The API is designed to handle two primary cases: unwinding within the current (local) process and unwinding of another ("remote") process (e.g., through ptrace()). In the local case, the initial machine state is captured by an unwind context (currently the same as ucontext_t). In the remote case, the initial machine state is captured by an unwind accessor structure, which provides callback routines for reading/writing memory and registers and for obtaining unwind information. Once a cursor has been initialized, you can step through the call chain with the unw_step() routine. The frame registers and the preserved state can then be accessed with unw_get_reg() or modified with unw_set_reg(). For floating-point registers, there are separate unw_get_fpreg() and unw_set_fpreg() routines (on some arches, e.g., Alpha, these could be just aliases for unw_{g,s}et_reg()). The unw_resume() routine can be used to resume execution at an arbitrary point in the call-chain (as identified by an unwind cursor). This is intended for exception handling and, at least for now, the intention is to support this routine only for the local case. Kevin, if you feel gdb could benefit from such a routine, I'd be interested to hear about it. Note that it is perfectly legal to make copies of the unwind cursor. This makes it possible, e.g., to obtain an unwind context, modify the state in an earlier call frame, and then resume execution at the point at which the unwind context was captured. Here is a quick example of how to use the unwind API to do a simple stack trace: unw_cursor_t cursor; unw_word_t ip, sp; unw_context_t uc; unw_getcontext(&uc); unw_init_local(&cursor, &uc); do { unw_get_reg(&cursor, UNW_REG_IP, &ip); unw_get_reg(&cursor, UNW_REG_SP, &sp); printf ("ip=%016lx sp=%016lx\n", ip, sp); } while (unw_step (&cursor) > 0); Note that this particular example should work on pretty much any architecture, as it doesn't rely on any arch-specific registers. * Multiarchitecture support If libunwind is configured for a target other than the local (native) host, the library is installed as libunwind-$ARCH, where $ARCH is the target architecture name (e.g., ia32, ia64, or alpha). Similarly, the header file is installed as libunwind-$ARCH. With this setup, an application should: - include , and - link against -lunwind if the application needs to use the unwinder of the host. An application wanting to use the unwinder for a different target (e.g., a cross-debugger) should: - include , and - link against -lunwind-$ARCH The global symbols exported by -lunwind-$ARCH are unique such that the same application can be linked against the separate unwind libraries of multiple targets. However, a single compilation unit can include the header file for only one target. For example, foo.c might include and bar.c might include and the entire application would have to be linked against both -lunwind and -lunwind-ia64. Note: the unwind header files of all targets have a common dependency on libunwind-common.h. To avoid version conflicts, it is necessary to ensure that the unwind libraries for all targets were derived from the same release of libunwind. That is, if the unwind library for one target is upgraded to a newer version, the libraries for all other targets also need to be upgraded. Note 2: The assumption is that a cross-unwinder can handle all interesting flavors of a target. For example, the unwinder for the ia64 target is expected to be able to handle both Linux and HP-UX. * IA-64 Specific Information Apart from the normal frame-registers, the IA-64 implementation of libunwind provides the means to access the current value of the register backing store pointer (bsp). One quirk with this frame-register is that it corresponds to the address that would be in register ar.bsp after flushing the current register stack to the backing store (i.e., as if a "flushrs" instruction had been executed). Of course, given this value and the contents of the current frame marker (CFM), it's easy to calculate the original value of ar.bsp: unw_word_t cfm, bsp, bsp_after_flushrs, sof; unw_get_reg (&cursor, UNW_IA64_BSP, &bsp_after_flushrs); unw_get_reg (&cursor, UNW_IA64_CFM, &cfm); bsp = ia64_rse_skip_regs (bsp_after_flushrs, -(cfm & 0x7f)); ** Dynamic Unwind Info libunwind-1.3.2/doc/libunwind-dynamic.man0000644000175000017500000004262713406556425015335 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:44 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "LIBUNWIND\-DYNAMIC" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME libunwind\-dynamic \-\- libunwind\-support for runtime\-generated code .PP .SH INTRODUCTION .PP For libunwind to do its job, it needs to be able to reconstruct the \fIframe state\fP of each frame in a call\-chain. The frame state describes the subset of the machine\-state that consists of the \fIframe registers\fP (typically the instruction\-pointer and the stack\-pointer) and all callee\-saved registers (preserved registers). The frame state describes each register either by providing its current value (for frame registers) or by providing the location at which the current value is stored (callee\-saved registers). .PP For statically generated code, the compiler normally takes care of emitting \fIunwind\-info\fP which provides the minimum amount of information needed to reconstruct the frame\-state for each instruction in a procedure. For dynamically generated code, the runtime code generator must use the dynamic unwind\-info interface provided by libunwind to supply the equivalent information. This manual page describes the format of this information in detail. .PP For the purpose of this discussion, a \fIprocedure\fP is defined to be an arbitrary piece of \fIcontiguous\fP code. Normally, each procedure directly corresponds to a function in the source\-language but this is not strictly required. For example, a runtime code\-generator could translate a given function into two separate (discontiguous) procedures: one for frequently\-executed (hot) code and one for rarely\-executed (cold) code. Similarly, simple source\-language functions (usually leaf functions) may get translated into code for which the default unwind\-conventions apply and for such code, it is not strictly necessary to register dynamic unwind\-info. .PP A procedure logically consists of a sequence of \fIregions\fP\&. Regions are nested in the sense that the frame state at the end of one region is, by default, assumed to be the frame state for the next region. Each region is thought of as being divided into a \fIprologue\fP, a \fIbody\fP, and an \fIepilogue\fP\&. Each of them can be empty. If non\-empty, the prologue sets up the frame state for the body. For example, the prologue may need to allocate some space on the stack and save certain callee\-saved registers. The body performs the actual work of the procedure but does not change the frame state in any way. If non\-empty, the epilogue restores the previous frame state and as such it undoes or cancels the effect of the prologue. In fact, a single epilogue may undo the effect of the prologues of several (nested) regions. .PP We should point out that even though the prologue, body, and epilogue are logically separate entities, optimizing code\-generators will generally interleave instructions from all three entities. For this reason, the dynamic unwind\-info interface of libunwind makes no distinction whatsoever between prologue and body. Similarly, the exact set of instructions that make up an epilogue is also irrelevant. The only point in the epilogue that needs to be described explicitly by the dynamic unwind\-info is the point at which the stack\-pointer gets restored. The reason this point needs to be described is that once the stack\-pointer is restored, all values saved in the deallocated portion of the stack frame become invalid and hence libunwind needs to know about it. The portion of the frame state not saved on the stack is assume to remain valid through the end of the region. For this reason, there is usually no need to describe instructions which restore the contents of callee\-saved registers. .PP Within a region, each instruction that affects the frame state in some fashion needs to be described with an operation descriptor. For this purpose, each instruction in the region is assigned a unique index. Exactly how this index is derived depends on the architecture. For example, on RISC and EPIC\-style architecture, instructions have a fixed size so it\&'s possible to simply number the instructions. In contrast, most CISC use variable\-length instruction encodings, so it is usually necessary to use a byte\-offset as the index. Given the instruction index, the operation descriptor specifies the effect of the instruction in an abstract manner. For example, it might express that the instruction stores calle\-saved register r1 at offset 16 in the stack frame. .PP .SH PROCEDURES .PP A runtime code\-generator registers the dynamic unwind\-info of a procedure by setting up a structure of type unw_dyn_info_t and calling _U_dyn_register(), passing the address of the structure as the sole argument. The members of the unw_dyn_info_t structure are described below: .TP void *next Private to libunwind\&. Must not be used by the application. .TP void *prev Private to libunwind\&. Must not be used by the application. .TP unw_word_t start_ip The start\-address of the instructions of the procedure (remember: procedure are defined to be contiguous pieces of code, so a single code\-range is sufficient). .TP unw_word_t end_ip The end\-address of the instructions of the procedure (non\-inclusive, that is, end_ip\-start_ip is the size of the procedure in bytes). .TP unw_word_t gp The global\-pointer value in use for this procedure. The exact meaing of the global\-pointer is architecture\-specific and on some architecture, it is not used at all. .TP int32_t format The format of the unwind\-info. This member can be one of UNW_INFO_FORMAT_DYNAMIC, UNW_INFO_FORMAT_TABLE, or UNW_INFO_FORMAT_REMOTE_TABLE\&. .TP union u This union contains one sub\-member structure for every possible unwind\-info format: .RS .TP unw_dyn_proc_info_t pi This member is used for format UNW_INFO_FORMAT_DYNAMIC\&. .TP unw_dyn_table_info_t ti This member is used for format UNW_INFO_FORMAT_TABLE\&. .TP unw_dyn_remote_table_info_t rti This member is used for format UNW_INFO_FORMAT_REMOTE_TABLE\&. .RE .RS .PP The format of these sub\-members is described in detail below. .RE .PP .SS PROC\-INFO FORMAT .PP This is the preferred dynamic unwind\-info format and it is generally the one used by full\-blown runtime code\-generators. In this format, the details of a procedure are described by a structure of type unw_dyn_proc_info_t\&. This structure contains the following members: .PP .RE .TP unw_word_t name_ptr The address of a (human\-readable) name of the procedure or 0 if no such name is available. If non\-zero, The string stored at this address must be ASCII NUL terminated. For source languages that use name\-mangling (such as C++ or Java) the string stored at this address should be the \fIdemangled\fP version of the name. .PP .TP unw_word_t handler The address of the personality\-routine for this procedure. Personality\-routines are used in conjunction with exception handling. See the C++ ABI draft (http://www.codesourcery.com/cxx\-abi/) for an overview and a description of the personality routine. If the procedure has no personality routine, handler must be set to 0. .PP .TP uint32_t flags A bitmask of flags. At the moment, no flags have been defined and this member must be set to 0. .PP .TP unw_dyn_region_info_t *regions A NULL\-terminated linked list of region\-descriptors. See section ``Region descriptors\&'' below for more details. .PP .SS TABLE\-INFO FORMAT .PP This format is generally used when the dynamically generated code was derived from static code and the unwind\-info for the dynamic and the static versions is identical. For example, this format can be useful when loading statically\-generated code into an address\-space in a non\-standard fashion (i.e., through some means other than dlopen()). In this format, the details of a group of procedures is described by a structure of type unw_dyn_table_info\&. This structure contains the following members: .PP .TP unw_word_t name_ptr The address of a (human\-readable) name of the procedure or 0 if no such name is available. If non\-zero, The string stored at this address must be ASCII NUL terminated. For source languages that use name\-mangling (such as C++ or Java) the string stored at this address should be the \fIdemangled\fP version of the name. .PP .TP unw_word_t segbase The segment\-base value that needs to be added to the segment\-relative values stored in the unwind\-info. The exact meaning of this value is architecture\-specific. .PP .TP unw_word_t table_len The length of the unwind\-info (table_data) counted in units of words (unw_word_t). .PP .TP unw_word_t table_data A pointer to the actual data encoding the unwind\-info. The exact format is architecture\-specific (see architecture\-specific sections below). .PP .SS REMOTE TABLE\-INFO FORMAT .PP The remote table\-info format has the same basic purpose as the regular table\-info format. The only difference is that when libunwind uses the unwind\-info, it will keep the table data in the target address\-space (which may be remote). Consequently, the type of the table_data member is unw_word_t rather than a pointer. This implies that libunwind will have to access the table\-data via the address\-space\&'s access_mem() call\-back, rather than through a direct memory reference. .PP From the point of view of a runtime\-code generator, the remote table\-info format offers no advantage and it is expected that such generators will describe their procedures either with the proc\-info format or the normal table\-info format. The main reason that the remote table\-info format exists is to enable the address\-space\-specific find_proc_info() callback (see unw_create_addr_space(3)) to return unwind tables whose data remains in remote memory. This can speed up unwinding (e.g., for a debugger) because it reduces the amount of data that needs to be loaded from remote memory. .PP .SH REGIONS DESCRIPTORS .PP A region descriptor is a variable length structure that describes how each instruction in the region affects the frame state. Of course, most instructions in a region usualy do not change the frame state and for those, nothing needs to be recorded in the region descriptor. A region descriptor is a structure of type unw_dyn_region_info_t and has the following members: .TP unw_dyn_region_info_t *next A pointer to the next region. If this is the last region, next is NULL\&. .TP int32_t insn_count The length of the region in instructions. Each instruction is assumed to have a fixed size (see architecture\-specific sections for details). The value of insn_count may be negative in the last region of a procedure (i.e., it may be negative only if next is NULL). A negative value indicates that the region covers the last \fIN\fP instructions of the procedure, where \fIN\fP is the absolute value of insn_count\&. .TP uint32_t op_count The (allocated) length of the op_count array. .TP unw_dyn_op_t op An array of dynamic unwind directives. See Section ``Dynamic unwind directives\&'' for a description of the directives. .PP A region descriptor with an insn_count of zero is an \fIempty region\fP and such regions are perfectly legal. In fact, empty regions can be useful to establish a particular frame state before the start of another region. .PP A single region list can be shared across multiple procedures provided those procedures share a common prologue and epilogue (their bodies may differ, of course). Normally, such procedures consist of a canned prologue, the body, and a canned epilogue. This could be described by two regions: one covering the prologue and one covering the epilogue. Since the body length is variable, the latter region would need to specify a negative value in insn_count such that libunwind knows that the region covers the end of the procedure (up to the address specified by end_ip). .PP The region descriptor is a variable length structure to make it possible to allocate all the necessary memory with a single memory\-allocation request. To facilitate the allocation of a region descriptors libunwind provides a helper routine with the following synopsis: .PP size_t _U_dyn_region_size(int op_count); .PP This routine returns the number of bytes needed to hold a region descriptor with space for op_count unwind directives. Note that the length of the op array does not have to match exactly with the number of directives in a region. Instead, it is sufficient if the op array contains at least as many entries as there are directives, since the end of the directives can always be indicated with the UNW_DYN_STOP directive. .PP .SH DYNAMIC UNWIND DIRECTIVES .PP A dynamic unwind directive describes how the frame state changes at a particular point within a region. The description is in the form of a structure of type unw_dyn_op_t\&. This structure has the following members: .TP int8_t tag The operation tag. Must be one of the unw_dyn_operation_t values described below. .TP int8_t qp The qualifying predicate that controls whether or not this directive is active. This is useful for predicated architecturs such as IA\-64 or ARM, where the contents of another (callee\-saved) register determines whether or not an instruction is executed (takes effect). If the directive is always active, this member should be set to the manifest constant _U_QP_TRUE (this constant is defined for all architectures, predicated or not). .TP int16_t reg The number of the register affected by the instruction. .TP int32_t when The region\-relative number of the instruction to which this directive applies. For example, a value of 0 means that the effect described by this directive has taken place once the first instruction in the region has executed. .TP unw_word_t val The value to be applied by the operation tag. The exact meaning of this value varies by tag. See Section ``Operation tags\&'' below. .PP It is perfectly legitimate to specify multiple dynamic unwind directives with the same when value, if a particular instruction has a complex effect on the frame state. .PP Empty regions by definition contain no actual instructions and as such the directives are not tied to a particular instruction. By convention, the when member should be set to 0, however. .PP There is no need for the dynamic unwind directives to appear in order of increasing when values. If the directives happen to be sorted in that order, it may result in slightly faster execution, but a runtime code\-generator should not go to extra lengths just to ensure that the directives are sorted. .PP IMPLEMENTATION NOTE: should libunwind implementations for certain architectures prefer the list of unwind directives to be sorted, it is recommended that such implementations first check whether the list happens to be sorted already and, if not, sort the directives explicitly before the first use. With this approach, the overhead of explicit sorting is only paid when there is a real benefit and if the runtime code\-generator happens to generated sorted lists naturally, the performance penalty is limited to a simple O(N) check. .PP .SS OPERATIONS TAGS .PP The possible operation tags are defined by enumeration type unw_dyn_operation_t which defines the following values: .PP .TP UNW_DYN_STOP Marks the end of the dynamic unwind directive list. All remaining entries in the op array of the region\-descriptor are ignored. This tag is guaranteed to have a value of 0. .PP .TP UNW_DYN_SAVE_REG Marks an instruction which saves register reg to register val\&. .PP .TP UNW_DYN_SPILL_FP_REL Marks an instruction which spills register reg to a frame\-pointer\-relative location. The frame\-pointer\-relative offset is given by the value stored in member val\&. See the architecture\-specific sections for a description of the stack frame layout. .PP .TP UNW_DYN_SPILL_SP_REL Marks an instruction which spills register reg to a stack\-pointer\-relative location. The stack\-pointer\-relative offset is given by the value stored in member val\&. See the architecture\-specific sections for a description of the stack frame layout. .PP .TP UNW_DYN_ADD Marks an instruction which adds the constant value val to register reg\&. To add subtract a constant value, store the two\&'s\-complement of the value in val\&. The set of registers that can be specified for this tag is described in the architecture\-specific sections below. .PP .TP UNW_DYN_POP_FRAMES .PP .TP UNW_DYN_LABEL_STATE .PP .TP UNW_DYN_COPY_STATE .PP .TP UNW_DYN_ALIAS .PP unw_dyn_op_t .PP _U_dyn_op_save_reg(); _U_dyn_op_spill_fp_rel(); _U_dyn_op_spill_sp_rel(); _U_dyn_op_add(); _U_dyn_op_pop_frames(); _U_dyn_op_label_state(); _U_dyn_op_copy_state(); _U_dyn_op_alias(); _U_dyn_op_stop(); .PP .SH IA\-64 SPECIFICS .PP \- meaning of segbase member in table\-info/table\-remote\-info format \- format of table_data in table\-info/table\-remote\-info format \- instruction size: each bundle is counted as 3 instructions, regardless of template (MLX) \- describe stack\-frame layout, especially with regards to sp\-relative and fp\-relative addressing \- UNW_DYN_ADD can only add to ``sp\&'' (always a negative value); use POP_FRAMES otherwise .PP .SH SEE ALSO .PP libunwind(3), _U_dyn_register(3), _U_dyn_cancel(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/common.tex.in0000644000175000017500000000062113406556425013626 00000000000000\setVersion{@VERSION@} \sloppy \newcommand{\Lt}{\symbol{"3C}} \newcommand{\Gt}{\symbol{"3E}} \newcommand{\Type}[1]{\File{#1}} % see libunwind.trans \newcommand{\Func}[1]{\Prog{#1}} % see libunwind.trans \newcommand{\Var}[1]{\Prog{#1}} % see libunwind.trans \newcommand{\Const}[1]{\File{#1}} % see libunwind.trans \newcommand{\SeeAlso}[2]{\File{#1}} % see libunwind.trans libunwind-1.3.2/doc/unw_get_reg.man0000644000175000017500000000431113406556425014211 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_GET\\_REG" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_get_reg \-\- get register contents .PP .SH SYNOPSIS .PP #include .br .PP int unw_get_reg(unw_cursor_t *cp, unw_regnum_t reg, unw_word_t *valp); .br .PP .SH DESCRIPTION .PP The unw_get_reg() routine reads the value of register reg in the stack frame identified by cursor cp and stores the value in the word pointed to by valp\&. .PP The register numbering is target\-dependent and described in separate manual pages (e.g., libunwind\-ia64(3) for the IA\-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that cp is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee\-saved\&'') registers and frame\-related registers (such as the stack\-pointer). However, for signal frames (see unw_is_signal_frame(3)), it is usually possible to access all registers. .PP Note that unw_get_reg() can only read the contents of registers whose values fit in a single word. See unw_get_fpreg(3) for a way to read registers which do not fit this constraint. .PP .SH RETURN VALUE .PP On successful completion, unw_get_reg() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_get_reg() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG An attempt was made to read a register that is either invalid or not accessible in the current frame. .PP In addition, unw_get_reg() may return any error returned by the access_mem(), access_reg(), and access_fpreg() call\-backs (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), libunwind\-ia64(3), unw_get_fpreg(3), unw_is_signal_frame(3), unw_set_reg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_init_local.tex0000644000175000017500000000560113406755365014746 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_init\_local}{David Mosberger-Tang}{Programming Library}{unw\_init\_local}unw\_init\_local -- initialize cursor for local unwinding \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_init\_local}(\Type{unw\_cursor\_t~*}\Var{c}, \Type{unw\_context\_t~*}\Var{ctxt});\\ \Type{int} \Func{unw\_init\_local2}(\Type{unw\_cursor\_t~*}\Var{c}, \Type{unw\_context\_t~*}\Var{ctxt}, \Type{int} \Var{flag});\\ \section{Description} The \Func{unw\_init\_local}() routine initializes the unwind cursor pointed to by \Var{c} with the machine-state in the context structure pointed to by \Var{ctxt}. As such, the machine-state pointed to by \Var{ctxt} identifies the initial stack frame at which unwinding starts. The machine-state is expected to be one provided by a call to unw_getcontext; as such, the instruction pointer may point to the instruction after the last instruction of a function, and libunwind will back-up the instruction pointer before beginning a walk up the call stack. The machine-state must remain valid for the duration for which the cursor \Var{c} is in use. The \Func{unw\_init\_local}() routine can be used only for unwinding in the address space of the current process (i.e., for local unwinding). For all other cases, \Func{unw\_init\_remote}() must be used instead. However, unwind performance may be better when using \Func{unw\_init\_local}(). Also, \Func{unw\_init\_local}() is available even when \Const{UNW\_LOCAL\_ONLY} has been defined before including \File{$<$libunwind.h$>$}, whereas \Func{unw\_init\_remote}() is not. If the unw_context_t is known to be a signal frame (i.e., from the third argument in a sigaction handler on linux), \Func{unw\_init\_local2}() should be used for correct initialization on some platforms, passing the UNW_INIT_SIGNAL_FRAME flag. \section{Return Value} On successful completion, \Func{unw\_init\_local}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_init\_local}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EINVAL}] \Func{unw\_init\_local}() was called in a version of \Prog{libunwind} which supports remote unwinding only (this normally happens when calling \Func{unw\_init\_local}() for a cross-platform version of \Prog{libunwind}). \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] A register needed by \Func{unw\_init\_local}() wasn't accessible. \end{Description} \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_init\_remote(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/_U_dyn_cancel.tex0000644000175000017500000000233713406556425014461 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{\_U\_dyn\_cancel}{David Mosberger-Tang}{Programming Library}{\_U\_dyn\_cancel}\_U\_dyn\_cancel -- cancel unwind-info for dynamically generated code \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{void} \Func{\_U\_dyn\_cancel}(\Type{unw\_dyn\_info\_t~*}\Var{di});\\ \section{Description} The \Func{\_U\_dyn\_cancel}() routine cancels the registration of the unwind-info for a dynamically generated procedure. Argument \Var{di} is the pointer to the \Type{unw\_dyn\_info\_t} structure that describes the procedure's unwind-info. The \Func{\_U\_dyn\_cancel}() routine is guaranteed to execute in constant time (in the absence of contention from concurrent calls to \Func{\_U\_dyn\_register}() or \Func{\_U\_dyn\_cancel}()). \section{Thread and Signal Safety} \Func{\_U\_dyn\_cancel}() is thread-safe but \emph{not} safe to use from a signal handler. \section{See Also} \SeeAlso{libunwind-dynamic(3)}, \SeeAlso{\_U\_dyn\_register(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_apply_reg_state.man0000644000175000017500000000320013406755365015757 00000000000000'\" t .\" Manual page created with latex2man on Wed Aug 16 11:09:44 PDT 2017 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_APPLY\\_REG\\_STATE" "3" "16 August 2017" "Programming Library " "Programming Library " .SH NAME unw_apply_reg_state \-\- apply a register state update to a cursor .PP .SH SYNOPSIS .PP #include .br .PP int unw_apply_reg_state(unw_cursor_t *cp, void *reg_states_data); .br .PP .SH DESCRIPTION .PP The unw_apply_reg_state() routine updates the register values of a cursor according to the instructions in reg_states_data, which have been obtained by calling unw_reg_states_iterate\&. .PP .SH RETURN VALUE .PP On successful completion, unw_apply_reg_state() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_apply_reg_state() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to locate unwind\-info for the procedure. .TP UNW_EBADVERSION The unwind\-info for the procedure has version or format that is not understood by libunwind\&. .PP In addition, unw_apply_reg_state() may return any error returned by the access_mem() call\-back (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_reg_states_iterate(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_create_addr_space.tex0000644000175000017500000003151313406556425016236 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_create\_addr\_space}{David Mosberger-Tang}{Programming Library}{unw\_create\_addr\_space}unw\_create\_addr\_space -- create address space for remote unwinding \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{unw\_addr\_space\_t} \Func{unw\_create\_addr\_space}(\Type{unw\_accessors\_t~*}\Var{ap}, \Type{int} \Var{byteorder});\\ \section{Description} The \Func{unw\_create\_addr\_space}() routine creates a new unwind address-space and initializes it based on the call-back routines passed via the \Var{ap} pointer and the specified \Var{byteorder}. The call-back routines are described in detail below. The \Var{byteorder} can be set to 0 to request the default byte-order of the unwind target. To request a particular byte-order, \Var{byteorder} can be set to any constant defined by \File{$<$endian.h$>$}. In particular, \Const{\_\_LITTLE\_ENDIAN} would request little-endian byte-order and \Const{\_\_BIG\_ENDIAN} would request big-endian byte-order. Whether or not a particular byte-order is supported depends on the target platform. \section{Call-back Routines} \Prog{Libunwind} uses a set of call-back routines to access the information it needs to unwind a chain of stack-frames. These routines are specified via the \Var{ap} argument, which points to a variable of type \Type{unw\_accessors\_t}. The contents of this variable is copied into the newly-created address space, so the variable must remain valid only for the duration of the call to \Func{unw\_create\_addr\_space}(). The first argument to every call-back routine is an address-space identifier (\Var{as}) and the last argument is an arbitrary, application-specified void-pointer (\Var{arg}). When invoking a call-back routine, \Prog{libunwind} sets the \Var{as} argument to the address-space on whose behalf the invocation is made and the \Var{arg} argument to the value that was specified when \Func{unw\_init\_remote}(3) was called. The synopsis and a detailed description of every call-back routine follows below. \subsection{Call-back Routine Synopsis} \Type{int} \Func{find\_proc\_info}(\Type{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_word\_t} \Var{ip}, \Type{unw\_proc\_info\_t~*}\Var{pip},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{int} \Var{need\_unwind\_info}, \Type{void~*}arg);\\ \Type{void} \Func{put\_unwind\_info}(\Type{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_proc\_info\_t~*}pip, \Type{void~*}\Var{arg});\\ \Type{int} \Func{get\_dyn\_info\_list\_addr}(\Type{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_word\_t~*}\Var{dilap}, \Type{void~*}\Var{arg});\\ \Type{int} \Func{access\_mem}(\Var{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_word\_t} \Var{addr}, \Type{unw\_word\_t~*}\Var{valp},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{int} \Var{write}, \Type{void~*}\Var{arg});\\ \Type{int} \Func{access\_reg}(\Var{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_regnum\_t} \Var{regnum}, \Type{unw\_word\_t~*}\Var{valp},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{int} \Var{write}, \Type{void~*}\Var{arg});\\ \Type{int} \Func{access\_fpreg}(\Var{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_regnum\_t} \Var{regnum}, \Type{unw\_fpreg\_t~*}\Var{fpvalp},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{int} \Var{write}, \Type{void~*}\Var{arg});\\ \Type{int} \Func{resume}(\Var{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_cursor\_t~*}\Var{cp}, \Type{void~*}\Var{arg});\\ \Type{int} \Func{get\_proc\_name}(\Type{unw\_addr\_space\_t} \Var{as},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{unw\_word\_t} \Var{addr}, \Type{char~*}\Var{bufp},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{size\_t} \Var{buf\_len}, \Type{unw\_word\_t~*}\Var{offp},\\ \SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\SP\Type{void~*}\Var{arg});\\ \subsection{find\_proc\_info} \Prog{Libunwind} invokes the \Func{find\_proc\_info}() call-back to locate the information need to unwind a particular procedure. The \Var{ip} argument is an instruction-address inside the procedure whose information is needed. The \Var{pip} argument is a pointer to the variable used to return the desired information. The type of this variable is \Type{unw\_proc\_info\_t}. See \Func{unw\_get\_proc\_info(3)} for details. Argument \Var{need\_unwind\_info} is zero if the call-back does not need to provide values for the following members in the \Type{unw\_proc\_info\_t} structure: \Var{format}, \Var{unwind\_info\_size}, and \Var{unwind\_info}. If \Var{need\_unwind\_info} is non-zero, valid values need to be returned in these members. Furthermore, the contents of the memory addressed by the \Var{unwind\_info} member must remain valid until the info is released via the \Func{put\_unwind\_info} call-back (see below). On successful completion, the \Func{find\_proc\_info}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. In particular, this call-back may return -\Const{UNW\_ESTOPUNWIND} to signal the end of the frame-chain. \subsection{put\_unwind\_info} \Prog{Libunwind} invokes the \Func{put\_unwind\_info}() call-back to release the resources (such as memory) allocated by a previous call to \Func{find\_proc\_info}() with the \Var{need\_unwind\_info} argument set to a non-zero value. The \Var{pip} argument has the same value as the argument of the same name in the previous matching call to \Func{find\_proc\_info}(). Note that \Prog{libunwind} does \emph{not} invoke \Func{put\_unwind\_info} for calls to \Func{find\_proc\_info}() with a zero \Var{need\_unwind\_info} argument. \subsection{get\_dyn\_info\_list\_addr} \Prog{Libunwind} invokes the \Func{get\_dyn\_info\_list\_addr}() call-back to obtain the address of the head of the dynamic unwind-info registration list. The variable stored at the returned address must have a type of \Type{unw\_dyn\_info\_list\_t} (see \Func{\_U\_dyn\_register}(3)). The \Var{dliap} argument is a pointer to a variable of type \Type{unw\_word\_t} which is used to return the address of the dynamic unwind-info registration list. If no dynamic unwind-info registration list exist, the value pointed to by \Var{dliap} must be cleared to zero. \Prog{Libunwind} will cache the value returned by \Func{get\_dyn\_info\_list\_addr}() if caching is enabled for the given address-space. The cache can be cleared with a call to \Func{unw\_flush\_cache}(). On successful completion, the \Func{get\_dyn\_info\_list\_addr}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. \subsection{access\_mem} \Prog{Libunwind} invokes the \Func{access\_mem}() call-back to read from or write to a word of memory in the target address-space. The address of the word to be accessed is passed in argument \Var{addr}. To read memory, \Prog{libunwind} sets argument \Var{write} to zero and \Var{valp} to point to the word that receives the read value. To write memory, \Prog{libunwind} sets argument \Var{write} to a non-zero value and \Var{valp} to point to the word that contains the value to be written. The word that \Var{valp} points to is always in the byte-order of the host-platform, regardless of the byte-order of the target. In other words, it is the responsibility of the call-back routine to convert between the target's and the host's byte-order, if necessary. On successful completion, the \Func{access\_mem}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. \subsection{access\_reg} \Prog{Libunwind} invokes the \Func{access\_reg}() call-back to read from or write to a scalar (non-floating-point) CPU register. The index of the register to be accessed is passed in argument \Var{regnum}. To read a register, \Prog{libunwind} sets argument \Var{write} to zero and \Var{valp} to point to the word that receives the read value. To write a register, \Prog{libunwind} sets argument \Var{write} to a non-zero value and \Var{valp} to point to the word that contains the value to be written. The word that \Var{valp} points to is always in the byte-order of the host-platform, regardless of the byte-order of the target. In other words, it is the responsibility of the call-back routine to convert between the target's and the host's byte-order, if necessary. On successful completion, the \Func{access\_reg}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. \subsection{access\_fpreg} \Prog{Libunwind} invokes the \Func{access\_fpreg}() call-back to read from or write to a floating-point CPU register. The index of the register to be accessed is passed in argument \Var{regnum}. To read a register, \Prog{libunwind} sets argument \Var{write} to zero and \Var{fpvalp} to point to a variable of type \Type{unw\_fpreg\_t} that receives the read value. To write a register, \Prog{libunwind} sets argument \Var{write} to a non-zero value and \Var{fpvalp} to point to the variable of type \Type{unw\_fpreg\_t} that contains the value to be written. The word that \Var{fpvalp} points to is always in the byte-order of the host-platform, regardless of the byte-order of the target. In other words, it is the responsibility of the call-back routine to convert between the target's and the host's byte-order, if necessary. On successful completion, the \Func{access\_fpreg}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. \subsection{resume} \Prog{Libunwind} invokes the \Func{resume}() call-back to resume execution in the target address space. Argument \Var{cp} is the unwind-cursor that identifies the stack-frame in which execution should resume. By the time \Prog{libunwind} invokes the \Func{resume} call-back, it has already established the desired machine- and memory-state via calls to the \Func{access\_reg}(), \Func{access\_fpreg}, and \Func{access\_mem}() call-backs. Thus, all the call-back needs to do is perform whatever action is needed to actually resume execution. The \Func{resume} call-back is invoked only in response to a call to \Func{unw\_resume}(3), so applications which never invoke \Func{unw\_resume}(3) need not define the \Func{resume} callback. On successful completion, the \Func{resume}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. As a special case, when resuming execution in the local address space, the call-back will not return on success. \subsection{get\_proc\_name} \Prog{Libunwind} invokes the \Func{get\_proc\_name}() call-back to obtain the procedure-name of a static (not dynamically generated) procedure. Argument \Var{addr} is an instruction-address within the procedure whose name is to be obtained. The \Var{bufp} argument is a pointer to a character-buffer used to return the procedure name. The size of this buffer is specified in argument \Var{buf\_len}. The returned name must be terminated by a NUL character. If the procedure's name is longer than \Var{buf\_len} bytes, it must be truncated to \Var{buf\_len}\Prog{-1} bytes, with the last byte in the buffer set to the NUL character and -\Const{UNW\_ENOMEM} must be returned. Argument \Var{offp} is a pointer to a word which is used to return the byte-offset relative to the start of the procedure whose name is being returned. For example, if procedure \Func{foo}() starts at address 0x40003000, then invoking \Func{get\_proc\_name}() with \Var{addr} set to 0x40003080 should return a value of 0x80 in the word pointed to by \Var{offp} (assuming the procedure is at least 0x80 bytes long). On successful completion, the \Func{get\_proc\_name}() call-back must return zero. Otherwise, the negative value of one of the \Type{unw\_error\_t} error-codes may be returned. \section{Return Value} On successful completion, \Func{unw\_create\_addr\_space}() returns a non-\Const{NULL} value that represents the newly created address-space. Otherwise, \Const{NULL} is returned. \section{Thread and Signal Safety} \Func{unw\_create\_addr\_space}() is thread-safe but \emph{not} safe to use from a signal handler. \section{See Also} \SeeAlso{\_U\_dyn\_register(3)}, \SeeAlso{libunwind(3)}, \SeeAlso{unw\_destroy\_addr\_space(3)}, \SeeAlso{unw\_get\_proc\_info(3)}, \SeeAlso{unw\_init\_remote(3)}, \SeeAlso{unw\_resume(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_set_caching_policy.man0000644000175000017500000000501213406755365016426 00000000000000'\" t .\" Manual page created with latex2man on Fri Dec 2 16:09:33 PST 2016 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_SET\\_CACHING\\_POLICY" "3" "02 December 2016" "Programming Library " "Programming Library " .SH NAME unw_set_caching_policy \-\- set unwind caching policy .PP .SH SYNOPSIS .PP #include .br .PP int unw_set_caching_policy(unw_addr_space_t as, unw_caching_policy_t policy); .br .PP .SH DESCRIPTION .PP The unw_set_caching_policy() routine sets the caching policy of address space as to the policy specified by argument policy\&. The policy argument can take one of three possible values: .TP UNW_CACHE_NONE Turns off caching completely. This also implicitly flushes the contents of all caches as if unw_flush_cache() had been called. .TP UNW_CACHE_GLOBAL Enables caching using a global cache that is shared by all threads. If global caching is unavailable or unsupported, libunwind may fall back on using a per\-thread cache, as if UNW_CACHE_PER_THREAD had been specified. .TP UNW_CACHE_PER_THREAD Enables caching using thread\-local caches. If a thread\-local caching are unavailable or unsupported, libunwind may fall back on using a global cache, as if UNW_CACHE_GLOBAL had been specified. .PP If caching is enabled, an application must be prepared to make appropriate calls to unw_flush_cache() whenever the target changes in a way that could affect the validity of cached information. For example, after unloading (removing) a shared library, unw_flush_cache() would have to be called (at least) for the address\-range that was covered by the shared library. .PP For address spaces created via unw_create_addr_space(3), caching is turned off by default. For the local address space unw_local_addr_space, caching is turned on by default. .PP .SH RETURN VALUE .PP On successful completion, unw_set_caching_policy() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_set_caching_policy() is thread\-safe but \fInot\fP safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_ENOMEM The desired caching policy could not be established because the application is out of memory. .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_set_cache_size(3), unw_flush_cache(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_strerror.tex0000644000175000017500000000166413406556425014514 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_strerror}{Thomas Hallgren}{Programming Library}{unw\_strerror}unw\_strerror -- get text corresponding to error code \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{const char *} \Func{unw\_strerror}(\Type{int} \Var{err\_code});\\ \section{Description} The \Func{unw\_strerror}() routine maps the (negative) \Var{err\_code} to a corresponding text message and returns it. \section{Return Value} The message that corresponds to \Var{err\_code} or, if the \Var{err\_code} has no corresponding message, the text "invalid error code". \section{Thread and Signal Safety} \Func{unw\_strerror}() is thread-safe as well as safe to use from a signal handler. \section{Author} \noindent Thomas Hallgren\\ BEA Systems\\ Stockholm, Sweden\\ Email: \Email{thallgre@bea.com}\\ \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_apply_reg_state.tex0000644000175000017500000000341613406755365016015 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_apply\_reg\_state}{David Mosberger-Tang}{Programming Library}{unw\_apply\_reg\_state}unw\_apply\_reg\_state -- apply a register state update to a cursor \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_apply\_reg\_state}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{void~*}\Var{reg\_states\_data});\\ \section{Description} The \Func{unw\_apply\_reg\_state}() routine updates the register values of a cursor according to the instructions in \Var{reg\_states\_data}, which have been obtained by calling \Var{unw\_reg\_states\_iterate}. \section{Return Value} On successful completion, \Func{unw\_apply\_reg\_state}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_apply\_reg\_state}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate unwind-info for the procedure. \item[\Const{UNW\_EBADVERSION}] The unwind-info for the procedure has version or format that is not understood by \Prog{libunwind}. \end{Description} In addition, \Func{unw\_apply\_reg\_state}() may return any error returned by the \Func{access\_mem}() call-back (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_reg\_states\_iterate(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_set_fpreg.man0000644000175000017500000000442613406556425014562 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_SET\\_FPREG" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_set_fpreg \-\- set contents of floating\-point register .PP .SH SYNOPSIS .PP #include .br .PP int unw_set_fpreg(unw_cursor_t *cp, unw_regnum_t reg, unw_fpreg_t val); .br .PP .SH DESCRIPTION .PP The unw_set_fpreg() routine sets the value of register reg in the stack frame identified by cursor cp to the value passed in val\&. .PP The register numbering is target\-dependent and described in separate manual pages (e.g., libunwind\-ia64(3) for the IA\-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that cp is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee\-saved\&'') registers and frame\-related registers (such as the stack\-pointer). However, for signal frames (see unw_is_signal_frame(3)), it is usually possible to access all registers. .PP Note that unw_set_fpreg() can only write the contents of floating\-point registers. See unw_set_reg(3) for a way to write registers which fit in a single word. .PP .SH RETURN VALUE .PP On successful completion, unw_set_fpreg() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_set_fpreg() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_EBADREG An attempt was made to write a register that is either invalid or not accessible in the current frame. .TP UNW_EREADONLY An attempt was made to write to a read\-only register. .PP In addition, unw_set_fpreg() may return any error returned by the access_mem(), access_reg(), and access_fpreg() call\-backs (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), libunwind\-ia64(3), unw_get_fpreg(3), unw_is_fpreg(3), unw_is_signal_frame(3), unw_set_reg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_create_addr_space.man0000644000175000017500000003051113406556425016206 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_CREATE\\_ADDR\\_SPACE" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_create_addr_space \-\- create address space for remote unwinding .PP .SH SYNOPSIS .PP #include .br .PP unw_addr_space_t unw_create_addr_space(unw_accessors_t *ap, int byteorder); .br .PP .SH DESCRIPTION .PP The unw_create_addr_space() routine creates a new unwind address\-space and initializes it based on the call\-back routines passed via the ap pointer and the specified byteorder\&. The call\-back routines are described in detail below. The byteorder can be set to 0 to request the default byte\-order of the unwind target. To request a particular byte\-order, byteorder can be set to any constant defined by \&. In particular, __LITTLE_ENDIAN would request little\-endian byte\-order and __BIG_ENDIAN would request big\-endian byte\-order. Whether or not a particular byte\-order is supported depends on the target platform. .PP .SH CALL\-BACK ROUTINES .PP Libunwind uses a set of call\-back routines to access the information it needs to unwind a chain of stack\-frames. These routines are specified via the ap argument, which points to a variable of type unw_accessors_t\&. The contents of this variable is copied into the newly\-created address space, so the variable must remain valid only for the duration of the call to unw_create_addr_space(). .PP The first argument to every call\-back routine is an address\-space identifier (as) and the last argument is an arbitrary, application\-specified void\-pointer (arg). When invoking a call\-back routine, libunwind sets the as argument to the address\-space on whose behalf the invocation is made and the arg argument to the value that was specified when unw_init_remote(3) was called. .PP The synopsis and a detailed description of every call\-back routine follows below. .PP .SS CALL\-BACK ROUTINE SYNOPSIS .PP int find_proc_info(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_word_t ip, unw_proc_info_t *pip, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPint need_unwind_info, void *arg); .br void put_unwind_info(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_proc_info_t *pip, void *arg); .br int get_dyn_info_list_addr(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_word_t *dilap, void *arg); .br int access_mem(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_word_t addr, unw_word_t *valp, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPint write, void *arg); .br int access_reg(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_regnum_t regnum, unw_word_t *valp, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPint write, void *arg); .br int access_fpreg(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_regnum_t regnum, unw_fpreg_t *fpvalp, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPint write, void *arg); .br int resume(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_cursor_t *cp, void *arg); .br int get_proc_name(unw_addr_space_t as, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPunw_word_t addr, char *bufp, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPsize_t buf_len, unw_word_t *offp, .br \fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fP\fB \fPvoid *arg); .br .PP .SS FIND_PROC_INFO .PP Libunwind invokes the find_proc_info() call\-back to locate the information need to unwind a particular procedure. The ip argument is an instruction\-address inside the procedure whose information is needed. The pip argument is a pointer to the variable used to return the desired information. The type of this variable is unw_proc_info_t\&. See unw_get_proc_info(3) for details. Argument need_unwind_info is zero if the call\-back does not need to provide values for the following members in the unw_proc_info_t structure: format, unwind_info_size, and unwind_info\&. If need_unwind_info is non\-zero, valid values need to be returned in these members. Furthermore, the contents of the memory addressed by the unwind_info member must remain valid until the info is released via the put_unwind_info call\-back (see below). .PP On successful completion, the find_proc_info() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. In particular, this call\-back may return \-UNW_ESTOPUNWIND to signal the end of the frame\-chain. .PP .SS PUT_UNWIND_INFO .PP Libunwind invokes the put_unwind_info() call\-back to release the resources (such as memory) allocated by a previous call to find_proc_info() with the need_unwind_info argument set to a non\-zero value. The pip argument has the same value as the argument of the same name in the previous matching call to find_proc_info(). Note that libunwind does \fInot\fP invoke put_unwind_info for calls to find_proc_info() with a zero need_unwind_info argument. .PP .SS GET_DYN_INFO_LIST_ADDR .PP Libunwind invokes the get_dyn_info_list_addr() call\-back to obtain the address of the head of the dynamic unwind\-info registration list. The variable stored at the returned address must have a type of unw_dyn_info_list_t (see _U_dyn_register(3)). The dliap argument is a pointer to a variable of type unw_word_t which is used to return the address of the dynamic unwind\-info registration list. If no dynamic unwind\-info registration list exist, the value pointed to by dliap must be cleared to zero. Libunwind will cache the value returned by get_dyn_info_list_addr() if caching is enabled for the given address\-space. The cache can be cleared with a call to unw_flush_cache(). .PP On successful completion, the get_dyn_info_list_addr() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. .PP .SS ACCESS_MEM .PP Libunwind invokes the access_mem() call\-back to read from or write to a word of memory in the target address\-space. The address of the word to be accessed is passed in argument addr\&. To read memory, libunwind sets argument write to zero and valp to point to the word that receives the read value. To write memory, libunwind sets argument write to a non\-zero value and valp to point to the word that contains the value to be written. The word that valp points to is always in the byte\-order of the host\-platform, regardless of the byte\-order of the target. In other words, it is the responsibility of the call\-back routine to convert between the target\&'s and the host\&'s byte\-order, if necessary. .PP On successful completion, the access_mem() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. .PP .SS ACCESS_REG .PP Libunwind invokes the access_reg() call\-back to read from or write to a scalar (non\-floating\-point) CPU register. The index of the register to be accessed is passed in argument regnum\&. To read a register, libunwind sets argument write to zero and valp to point to the word that receives the read value. To write a register, libunwind sets argument write to a non\-zero value and valp to point to the word that contains the value to be written. The word that valp points to is always in the byte\-order of the host\-platform, regardless of the byte\-order of the target. In other words, it is the responsibility of the call\-back routine to convert between the target\&'s and the host\&'s byte\-order, if necessary. .PP On successful completion, the access_reg() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. .PP .SS ACCESS_FPREG .PP Libunwind invokes the access_fpreg() call\-back to read from or write to a floating\-point CPU register. The index of the register to be accessed is passed in argument regnum\&. To read a register, libunwind sets argument write to zero and fpvalp to point to a variable of type unw_fpreg_t that receives the read value. To write a register, libunwind sets argument write to a non\-zero value and fpvalp to point to the variable of type unw_fpreg_t that contains the value to be written. The word that fpvalp points to is always in the byte\-order of the host\-platform, regardless of the byte\-order of the target. In other words, it is the responsibility of the call\-back routine to convert between the target\&'s and the host\&'s byte\-order, if necessary. .PP On successful completion, the access_fpreg() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. .PP .SS RESUME .PP Libunwind invokes the resume() call\-back to resume execution in the target address space. Argument cp is the unwind\-cursor that identifies the stack\-frame in which execution should resume. By the time libunwind invokes the resume call\-back, it has already established the desired machine\- and memory\-state via calls to the access_reg(), access_fpreg, and access_mem() call\-backs. Thus, all the call\-back needs to do is perform whatever action is needed to actually resume execution. .PP The resume call\-back is invoked only in response to a call to unw_resume(3), so applications which never invoke unw_resume(3) need not define the resume callback. .PP On successful completion, the resume() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. As a special case, when resuming execution in the local address space, the call\-back will not return on success. .PP .SS GET_PROC_NAME .PP Libunwind invokes the get_proc_name() call\-back to obtain the procedure\-name of a static (not dynamically generated) procedure. Argument addr is an instruction\-address within the procedure whose name is to be obtained. The bufp argument is a pointer to a character\-buffer used to return the procedure name. The size of this buffer is specified in argument buf_len\&. The returned name must be terminated by a NUL character. If the procedure\&'s name is longer than buf_len bytes, it must be truncated to buf_len\-1 bytes, with the last byte in the buffer set to the NUL character and \-UNW_ENOMEM must be returned. Argument offp is a pointer to a word which is used to return the byte\-offset relative to the start of the procedure whose name is being returned. For example, if procedure foo() starts at address 0x40003000, then invoking get_proc_name() with addr set to 0x40003080 should return a value of 0x80 in the word pointed to by offp (assuming the procedure is at least 0x80 bytes long). .PP On successful completion, the get_proc_name() call\-back must return zero. Otherwise, the negative value of one of the unw_error_t error\-codes may be returned. .PP .SH RETURN VALUE .PP On successful completion, unw_create_addr_space() returns a non\-NULL value that represents the newly created address\-space. Otherwise, NULL is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_create_addr_space() is thread\-safe but \fInot\fP safe to use from a signal handler. .PP .SH SEE ALSO .PP _U_dyn_register(3), libunwind(3), unw_destroy_addr_space(3), unw_get_proc_info(3), unw_init_remote(3), unw_resume(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_set_cache_size.man0000644000175000017500000000271713406755365015561 00000000000000'\" t .\" Manual page created with latex2man on Fri Jan 13 08:33:21 PST 2017 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_SET\\_CACHE\\_SIZE" "3" "13 January 2017" "Programming Library " "Programming Library " .SH NAME unw_set_cache_size \-\- set unwind cache size .PP .SH SYNOPSIS .PP #include .br .PP int unw_set_cache_size(unw_addr_space_t as, size_t size, int flag); .br .PP .SH DESCRIPTION .PP The unw_set_cache_size() routine sets the cache size of address space as to hold at least as many items as given by argument size\&. It may hold more items as determined by the implementation. To disable caching, call unw_set_caching_policy) with a policy of UNW_CACHE_NONE\&. Flag is currently unused and must be 0. .PP .SH RETURN VALUE .PP On successful completion, unw_set_cache_size() returns 0. Otherwise the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_set_cache_size() is thread\-safe but \fInot\fP safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_ENOMEM The desired cache size could not be established because the application is out of memory. .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3), unw_set_caching_policy(3), unw_flush_cache(3) .PP .SH AUTHOR .PP Dave Watson .br Email: \fBdade.watson@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/_U_dyn_cancel.man0000644000175000017500000000227713406556425014437 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "\\_U\\_DYN\\_CANCEL" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME _U_dyn_cancel \-\- cancel unwind\-info for dynamically generated code .PP .SH SYNOPSIS .PP #include .br .PP void _U_dyn_cancel(unw_dyn_info_t *di); .br .PP .SH DESCRIPTION .PP The _U_dyn_cancel() routine cancels the registration of the unwind\-info for a dynamically generated procedure. Argument di is the pointer to the unw_dyn_info_t structure that describes the procedure\&'s unwind\-info. .PP The _U_dyn_cancel() routine is guaranteed to execute in constant time (in the absence of contention from concurrent calls to _U_dyn_register() or _U_dyn_cancel()). .PP .SH THREAD AND SIGNAL SAFETY .PP _U_dyn_cancel() is thread\-safe but \fInot\fP safe to use from a signal handler. .PP .SH SEE ALSO .PP libunwind\-dynamic(3), _U_dyn_register(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_step.tex0000644000175000017500000000421013406556425013573 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_step}{David Mosberger-Tang}{Programming Library}{unw\_step}unw\_step -- advance to next stack frame \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_step}(\Type{unw\_cursor\_t~*}\Var{cp});\\ \section{Description} The \Func{unw\_step}() routine advances the unwind cursor \Var{cp} to the next older, less deeply nested stack frame. \section{Return Value} On successful completion, \Func{unw\_step}() returns a positive value if the updated cursor refers to a valid stack frame, or 0 if the previous stack frame was the last frame in the chain. On error, the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_step}() is thread-safe. If cursor \Var{cp} is in the local address-space, this routine is also safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_ENOINFO}] \Prog{Libunwind} was unable to locate the unwind-info needed to complete the operation. \item[\Const{UNW\_EBADVERSION}] The unwind-info needed to complete the operation has a version or a format that is not understood by \Prog{libunwind}. \item[\Const{UNW\_EINVALIDIP}] The instruction-pointer (``program-counter'') of the next stack frame is invalid (e.g., not properly aligned). \item[\Const{UNW\_EBADFRAME}] The next stack frame is invalid. \item[\Const{UNW\_ESTOPUNWIND}] Returned if a call to \Func{find\_proc\_info}() returned -\Const{UNW\_ESTOPUNWIND}. \end{Description} In addition, \Func{unw\_step}() may return any error returned by the \Func{find\_proc\_info}(), \Func{get\_dyn\_info\_list\_addr}(), \Func{access\_mem}(), \Func{access\_reg}(), or \Func{access\_fpreg}() call-backs (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{unw\_create\_addr\_space(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_backtrace.man0000644000175000017500000000306613406556425014522 00000000000000'\" t .\" Manual page created with latex2man on Fri Aug 31 13:39:04 EEST 2012 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_BACKTRACE" "3" "31 August 2012" "Programming Library " "Programming Library " .SH NAME unw_backtrace \-\- return backtrace for the calling program .PP .SH SYNOPSIS .PP #include .br .PP int unw_backtrace(void **buffer, int size); .br .PP #include .br .PP int backtrace(void **buffer, int size); .br .PP .SH DESCRIPTION .PP unw_backtrace() is a convenient routine for obtaining the backtrace for the calling program. The routine fills up to size addresses in the array pointed by buffer\&. The routine is only available for local unwinding. .PP Note that many (but not all) systems provide practically identical function called backtrace(). The prototype for this function is usually obtained by including the header file \-\- a prototype for backtrace() is not provided by libunwind\&. libunwind weakly aliases backtrace() to unw_backtrace(), so when a program calling backtrace() is linked against libunwind, it may end up calling unw_backtrace(). .PP .SH RETURN VALUE .PP The routine returns the number of addresses stored in the array pointed by buffer\&. The return value may be zero to indicate that no addresses were stored. .PP .SH SEE ALSO .PP libunwind(3), unw_step(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_set_reg.tex0000644000175000017500000000466413406556425014265 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_set\_reg}{David Mosberger-Tang}{Programming Library}{unw\_set\_reg}unw\_set\_reg -- set register contents \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_set\_reg}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_regnum\_t} \Var{reg}, \Type{unw\_word\_t} \Var{val});\\ \section{Description} The \Func{unw\_set\_reg}() routine sets the value of register \Var{reg} in the stack frame identified by cursor \Var{cp} to the value passed in \Var{val}. The register numbering is target-dependent and described in separate manual pages (e.g., libunwind-ia64(3) for the IA-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that \Var{cp} is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee-saved'') registers and frame-related registers (such as the stack-pointer). However, for signal frames (see \Func{unw\_is\_signal\_frame}(3)), it is usually possible to access all registers. Note that \Func{unw\_set\_reg}() can only write the contents of registers whose values fit in a single word. See \Func{unw\_set\_fpreg}(3) for a way to write registers which do not fit this constraint. \section{Return Value} On successful completion, \Func{unw\_set\_reg}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_set\_reg}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] An attempt was made to write a register that is either invalid or not accessible in the current frame. \item[\Const{UNW\_EREADONLY}] An attempt was made to write to a read-only register. \end{Description} In addition, \Func{unw\_set\_reg}() may return any error returned by the \Func{access\_mem}(), \Func{access\_reg}(), and \Func{access\_fpreg}() call-backs (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{libunwind-ia64(3)}, \SeeAlso{unw\_get\_reg(3)}, \SeeAlso{unw\_is\_signal\_frame(3)}, \SeeAlso{unw\_set\_fpreg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document} libunwind-1.3.2/doc/unw_is_signal_frame.man0000644000175000017500000000366113406556425015726 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_IS\\_SIGNAL\\_FRAME" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_is_signal_frame \-\- check if current frame is a signal frame .PP .SH SYNOPSIS .PP #include .br .PP int unw_is_signal_frame(unw_cursor_t *cp); .br .PP .SH DESCRIPTION .PP The unw_is_signal_frame() routine returns a positive value if the current frame identified by cp is a signal frame, and a value of 0 otherwise. For the purpose of this discussion, a signal frame is a frame that was created in response to a potentially asynchronous interruption. For UNIX and UNIX\-like platforms, such frames are normally created by the kernel when delivering a signal. In a kernel\-environment, a signal frame might, for example, correspond to a frame created in response to a device interrupt. .PP Signal frames are somewhat unusual because the asynchronous nature of the events that create them require storing the contents of registers that are normally treated as scratch (``caller\-saved\&'') registers. .PP .SH RETURN VALUE .PP On successful completion, unw_is_signal_frame() returns a positive value if the current frame is a signal frame, or 0 if it is not. Otherwise, a negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_is_signal_frame() is thread\-safe as well as safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_ENOINFO Libunwind is unable to determine whether or not the current frame is a signal frame. .PP .SH SEE ALSO .PP libunwind(3), unw_get_reg(3), unw_set_reg(3), unw_get_fpreg(3), unw_set_fpreg(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_step.man0000644000175000017500000000372613406556425013561 00000000000000'\" t .\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007 .\" NOTE: This file is generated, DO NOT EDIT. .de Vb .ft CW .nf .. .de Ve .ft R .fi .. .TH "UNW\\_STEP" "3" "16 August 2007" "Programming Library " "Programming Library " .SH NAME unw_step \-\- advance to next stack frame .PP .SH SYNOPSIS .PP #include .br .PP int unw_step(unw_cursor_t *cp); .br .PP .SH DESCRIPTION .PP The unw_step() routine advances the unwind cursor cp to the next older, less deeply nested stack frame. .PP .SH RETURN VALUE .PP On successful completion, unw_step() returns a positive value if the updated cursor refers to a valid stack frame, or 0 if the previous stack frame was the last frame in the chain. On error, the negative value of one of the error\-codes below is returned. .PP .SH THREAD AND SIGNAL SAFETY .PP unw_step() is thread\-safe. If cursor cp is in the local address\-space, this routine is also safe to use from a signal handler. .PP .SH ERRORS .PP .TP UNW_EUNSPEC An unspecified error occurred. .TP UNW_ENOINFO Libunwind was unable to locate the unwind\-info needed to complete the operation. .TP UNW_EBADVERSION The unwind\-info needed to complete the operation has a version or a format that is not understood by libunwind\&. .TP UNW_EINVALIDIP The instruction\-pointer (``program\-counter\&'') of the next stack frame is invalid (e.g., not properly aligned). .TP UNW_EBADFRAME The next stack frame is invalid. .TP UNW_ESTOPUNWIND Returned if a call to find_proc_info() returned \-UNW_ESTOPUNWIND\&. .PP In addition, unw_step() may return any error returned by the find_proc_info(), get_dyn_info_list_addr(), access_mem(), access_reg(), or access_fpreg() call\-backs (see unw_create_addr_space(3)). .PP .SH SEE ALSO .PP libunwind(3), unw_create_addr_space(3) .PP .SH AUTHOR .PP David Mosberger\-Tang .br Email: \fBdmosberger@gmail.com\fP .br WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&. .\" NOTE: This file is generated, DO NOT EDIT. libunwind-1.3.2/doc/unw_set_fpreg.tex0000644000175000017500000000473313406556425014610 00000000000000\documentclass{article} \usepackage[fancyhdr,pdf]{latex2man} \input{common.tex} \begin{document} \begin{Name}{3}{unw\_set\_fpreg}{David Mosberger-Tang}{Programming Library}{unw\_set\_fpreg}unw\_set\_fpreg -- set contents of floating-point register \end{Name} \section{Synopsis} \File{\#include $<$libunwind.h$>$}\\ \Type{int} \Func{unw\_set\_fpreg}(\Type{unw\_cursor\_t~*}\Var{cp}, \Type{unw\_regnum\_t} \Var{reg}, \Type{unw\_fpreg\_t} \Var{val});\\ \section{Description} The \Func{unw\_set\_fpreg}() routine sets the value of register \Var{reg} in the stack frame identified by cursor \Var{cp} to the value passed in \Var{val}. The register numbering is target-dependent and described in separate manual pages (e.g., libunwind-ia64(3) for the IA-64 target). Furthermore, the exact set of accessible registers may depend on the type of frame that \Var{cp} is referring to. For ordinary stack frames, it is normally possible to access only the preserved (``callee-saved'') registers and frame-related registers (such as the stack-pointer). However, for signal frames (see \Func{unw\_is\_signal\_frame}(3)), it is usually possible to access all registers. Note that \Func{unw\_set\_fpreg}() can only write the contents of floating-point registers. See \Func{unw\_set\_reg}(3) for a way to write registers which fit in a single word. \section{Return Value} On successful completion, \Func{unw\_set\_fpreg}() returns 0. Otherwise the negative value of one of the error-codes below is returned. \section{Thread and Signal Safety} \Func{unw\_set\_fpreg}() is thread-safe as well as safe to use from a signal handler. \section{Errors} \begin{Description} \item[\Const{UNW\_EUNSPEC}] An unspecified error occurred. \item[\Const{UNW\_EBADREG}] An attempt was made to write a register that is either invalid or not accessible in the current frame. \item[\Const{UNW\_EREADONLY}] An attempt was made to write to a read-only register. \end{Description} In addition, \Func{unw\_set\_fpreg}() may return any error returned by the \Func{access\_mem}(), \Func{access\_reg}(), and \Func{access\_fpreg}() call-backs (see \Func{unw\_create\_addr\_space}(3)). \section{See Also} \SeeAlso{libunwind(3)}, \SeeAlso{libunwind-ia64(3)}, \SeeAlso{unw\_get\_fpreg(3)}, \SeeAlso{unw\_is\_fpreg(3)}, \SeeAlso{unw\_is\_signal\_frame(3)}, \SeeAlso{unw\_set\_reg(3)} \section{Author} \noindent David Mosberger-Tang\\ Email: \Email{dmosberger@gmail.com}\\ WWW: \URL{http://www.nongnu.org/libunwind/}. \LatexManEnd \end{document}