pax_global_header00006660000000000000000000000064144212134000014501gustar00rootroot0000000000000052 comment=99c24238981b7b1084313aca8f5c493bb46f302c patchelf-0.18.0/000077500000000000000000000000001442121340000133555ustar00rootroot00000000000000patchelf-0.18.0/.github/000077500000000000000000000000001442121340000147155ustar00rootroot00000000000000patchelf-0.18.0/.github/ISSUE_TEMPLATE/000077500000000000000000000000001442121340000171005ustar00rootroot00000000000000patchelf-0.18.0/.github/ISSUE_TEMPLATE/bug_report.md000066400000000000000000000007611442121340000215760ustar00rootroot00000000000000--- name: Bug report about: Create a report to help us improve title: '' labels: bug assignees: '' --- **Describe the bug** A clear and concise description of what the bug is. **Steps To Reproduce** Please include exact steps with an attached binary so that another person can reproduce the problem. **Expected behavior** A clear and concise description of what you expected to happen. **`patchelf --version` output** **Additional context** Add any other context about the problem here. patchelf-0.18.0/.github/ISSUE_TEMPLATE/feature_request.md000066400000000000000000000011341442121340000226240ustar00rootroot00000000000000--- name: Feature request about: Suggest an idea for this project title: '' labels: improvement assignees: '' --- **Is your feature request related to a problem? Please describe.** A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] **Describe the solution you'd like** A clear and concise description of what you want to happen. **Describe alternatives you've considered** A clear and concise description of any alternative solutions or features you've considered. **Additional context** Add any other context or screenshots about the feature request here. patchelf-0.18.0/.github/dependabot.yml000066400000000000000000000001661442121340000175500ustar00rootroot00000000000000version: 2 updates: - package-ecosystem: "github-actions" directory: "/" schedule: interval: "weekly" patchelf-0.18.0/.github/pull_request_template.md000066400000000000000000000002711442121340000216560ustar00rootroot00000000000000Thank you! Please do your best to include [a regression test](https://github.com/NixOS/patchelf/blob/master/tests/build-id.sh) so that the quality of future releases can be preserved. patchelf-0.18.0/.github/workflows/000077500000000000000000000000001442121340000167525ustar00rootroot00000000000000patchelf-0.18.0/.github/workflows/ci.yml000066400000000000000000000012301442121340000200640ustar00rootroot00000000000000name: "CI" on: pull_request: push: jobs: shellcheck: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - run: shellcheck tests/*.sh nix: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - uses: cachix/install-nix-action@v20 - run: nix-build -A hydraJobs.release ubuntu: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - name: get toolchain version run: | c++ --version ld --version autoconf --version - run: | ./bootstrap.sh mkdir build && cd build ../configure --with-asan --with-ubsan make -j$(nproc) check patchelf-0.18.0/.github/workflows/publish.yml000066400000000000000000000100161442121340000211410ustar00rootroot00000000000000name: Publish on: pull_request: push: branches: - '*' tags: - '*' jobs: build_tarballs: name: Build tarballs runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@v3 - uses: cachix/install-nix-action@v20 - name: Build tarballs run: | nix build -L .#hydraJobs.tarball install -D ./result/tarballs/*.tar.bz2 ./dist/patchelf-$(cat version).tar.bz2 install -D ./result/tarballs/*.tar.gz ./dist/patchelf-$(cat version).tar.gz - uses: actions/upload-artifact@v3 with: name: patchelf path: dist/* build_windows: name: Build windows executable runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@v3 - uses: cachix/install-nix-action@v20 - name: Build windows executable run: | nix build -L .#patchelf-win32 .#patchelf-win64 install -D ./result/bin/patchelf.exe ./dist/patchelf-win32-$(cat version).exe install -D ./result-1/bin/patchelf.exe ./dist/patchelf-win64-$(cat version).exe - uses: actions/upload-artifact@v3 with: name: patchelf path: dist/* test_windows: name: Test windows binaries needs: [build_windows] runs-on: windows-latest steps: - uses: actions/checkout@v3 - uses: actions/download-artifact@v3 with: name: patchelf path: dist - name: Show binaries run: dir .\\dist - name: Test windows 64-bit binary run: .\\dist\\patchelf-win32-*.exe --version - name: Test windows 32-bit binary run: .\\dist\\patchelf-win64-*.exe --version build_musl: name: Build static musl binaries needs: [build_tarballs] runs-on: ubuntu-latest strategy: fail-fast: false matrix: platform: ["amd64", "i386", "ppc64le", "arm64v8", "arm32v7", "s390x", "riscv64"] steps: - name: Set up QEMU if: matrix.platform != 'amd64' uses: docker/setup-qemu-action@v2 - uses: actions/download-artifact@v3 with: name: patchelf path: dist - name: Build binaries env: CXXFLAGS: "-D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wformat -Werror=format-security -O2 -static" run: | cat < build.sh set -e set -x apk add build-base tar -xf dist/*.tar.bz2 rm -f dist/* cd patchelf-* ./configure --prefix /patchelf make check || (cat tests/test-suite.log; exit 1) make install-strip cd - tar -czf ./dist/patchelf-\$(cat patchelf-*/version)-\$(uname -m).tar.gz -C /patchelf . EOF if [ "${{ matrix.platform }}" == "i386" ]; then ENTRYPOINT=linux32 else ENTRYPOINT= fi docker run -e CXXFLAGS -v $(pwd):/gha ${{ matrix.platform }}/alpine:edge ${ENTRYPOINT} sh -ec "cd /gha && sh ./build.sh" - name: Check binaries run: | cat < check.sh set -e set -x tar -xf ./dist/patchelf-*-*.tar.gz ./bin/patchelf --version EOF docker run -v $(pwd):/gha ${{ matrix.platform }}/debian:unstable-slim sh -ec "cd /gha && sh ./check.sh" - uses: actions/upload-artifact@v3 with: name: patchelf path: dist/* publish: name: Publish tarballs & binaries needs: [build_tarballs, build_windows, build_musl] if: github.event_name == 'push' && github.repository == 'NixOS/patchelf' && startsWith(github.ref, 'refs/tags/') runs-on: ubuntu-latest steps: - uses: actions/download-artifact@v3 with: name: patchelf path: dist - name: Upload binaries to release uses: svenstaro/upload-release-action@v2 with: repo_token: ${{ secrets.GITHUB_TOKEN }} file: dist/* tag: ${{ github.ref }} overwrite: true file_glob: true patchelf-0.18.0/.gitignore000066400000000000000000000007451442121340000153530ustar00rootroot00000000000000/autom4te.cache/ /aclocal.m4 /configure /config.log /config.status /depcomp /install-sh /missing /build-aux/ /patchelf.spec /src/patchelf Makefile.in Makefile .deps *.o /tests/*.log /tests/*.trs /tests/no-rpath /tests/no-rpath-*.sh /tests/*.so /tests/scratch /tests/main /tests/simple /tests/too-many-strtab /tests/big-dynstr* /tests/main-scoped /tests/libbig-dynstr.debug /tests/contiguous-note-sections /tests/simple-pie /tests/simple-execstack .direnv/ .vscode/ .idea/ result patchelf-0.18.0/BUGS000066400000000000000000000002771442121340000140460ustar00rootroot00000000000000Bug in Linux kernel, in fs/binfmt_elf.c: NEW_AUX_ENT( 3, AT_PHDR, load_addr + exec->e_phoff); This is wrong since the actual virtual address of the program headers may be somewhere else. patchelf-0.18.0/COPYING000066400000000000000000001045131442121340000144140ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation. If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program. Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version. 15. Disclaimer of Warranty. THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 16. Limitation of Liability. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 17. Interpretation of Sections 15 and 16. If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 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 . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . patchelf-0.18.0/Makefile.am000066400000000000000000000003531442121340000154120ustar00rootroot00000000000000SUBDIRS = src tests EXTRA_DIST = COPYING README.md patchelf.spec version $(man1_MANS) man1_MANS = patchelf.1 doc_DATA = README.md zshcompletiondir = $(datadir)/zsh/site-functions dist_zshcompletion_DATA = completions/zsh/_patchelf patchelf-0.18.0/README.md000066400000000000000000000061741442121340000146440ustar00rootroot00000000000000PatchELF is a simple utility for modifying existing ELF executables and libraries. In particular, it can do the following: * Change the dynamic loader ("ELF interpreter") of executables: ```console $ patchelf --set-interpreter /lib/my-ld-linux.so.2 my-program ``` * Change the `RPATH` of executables and libraries: ```console $ patchelf --set-rpath /opt/my-libs/lib:/other-libs my-program ``` * Shrink the `RPATH` of executables and libraries: ```console $ patchelf --shrink-rpath my-program ``` This removes from the `RPATH` all directories that do not contain a library referenced by `DT_NEEDED` fields of the executable or library. For instance, if an executable references one library `libfoo.so`, has an RPATH `/lib:/usr/lib:/foo/lib`, and `libfoo.so` can only be found in `/foo/lib`, then the new `RPATH` will be `/foo/lib`. In addition, the `--allowed-rpath-prefixes` option can be used for further rpath tuning. For instance, if an executable has an `RPATH` `/tmp/build-foo/.libs:/foo/lib`, it is probably desirable to keep the `/foo/lib` reference instead of the `/tmp` entry. To accomplish that, use: ```console $ patchelf --shrink-rpath --allowed-rpath-prefixes /usr/lib:/foo/lib my-program ``` * Remove declared dependencies on dynamic libraries (`DT_NEEDED` entries): ```console $ patchelf --remove-needed libfoo.so.1 my-program ``` This option can be given multiple times. * Add a declared dependency on a dynamic library (`DT_NEEDED`): ```console $ patchelf --add-needed libfoo.so.1 my-program ``` This option can be give multiple times. * Replace a declared dependency on a dynamic library with another one (`DT_NEEDED`): ```console $ patchelf --replace-needed liboriginal.so.1 libreplacement.so.1 my-program ``` This option can be give multiple times. * Change `SONAME` of a dynamic library: ```console $ patchelf --set-soname libnewname.so.3.4.5 path/to/libmylibrary.so.1.2.3 ``` ## Compiling and Testing ### Via Autotools ```console ./bootstrap.sh ./configure make make check sudo make install ``` ### Via Nix You can build with Nix in several ways. 1. Building via `nix build` will produce the result in `./result/bin/patchelf`. If you would like to build _patchelf_ with _musl_ try `nix build .#patchelf-musl` 2. You can launch a development environment with `nix develop` and follow the autotools steps above. If you would like to develop with _musl_ try `nix develop .#musl` ## Author Copyright 2004-2019 Eelco Dolstra . ## License 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 . patchelf-0.18.0/bootstrap.sh000077500000000000000000000001041442121340000157240ustar00rootroot00000000000000#! /bin/sh -e autoreconf --verbose --install --force --warnings=all patchelf-0.18.0/bors.toml000066400000000000000000000011631442121340000152200ustar00rootroot00000000000000cut_body_after = "" # don't include text from the PR body in the merge commit message status = [ "Build windows executable", "Build tarballs", "Build static musl binaries (amd64)", "Build static musl binaries (i386)", "Build static musl binaries (ppc64le)", "Build static musl binaries (arm64v8)", "Build static musl binaries (arm32v7)", "Build static musl binaries (s390x)", "Build static musl binaries (riscv64)", "Test windows binaries", # this one is only run during release #"Publish tarballs & binaries", "nix", "ubuntu" ] patchelf-0.18.0/completions/000077500000000000000000000000001442121340000157115ustar00rootroot00000000000000patchelf-0.18.0/completions/zsh/000077500000000000000000000000001442121340000165155ustar00rootroot00000000000000patchelf-0.18.0/completions/zsh/_patchelf000066400000000000000000000050501442121340000203650ustar00rootroot00000000000000#compdef patchelf local options=( '--page-size[Uses the given page size]:SIZE' '--set-interpreter[Change the dynamic loader of executable]:INTERPRETER:dynamic loader:_files' '(- : *)--print-interpreter[Prints the ELF interpreter of the executable]' '(- : *)--print-os-abi[Prints the OS ABI of the executable]' '--set-os-abi[Changes the OS ABI of the executable]:ABI:(none sysv hpux netbsd gnu linux solaris aix irix freebsd tru64 modesto openbsd arm_aeabi arm standalone)' '(- : *)--print-soname[Prints DT_SONAME entry of .dynamic section]' '--set-soname[Sets DT_SONAME entry of a library to SONAME]:SONAME' '--set-rpath[Change the DT_RUNPATH of the executable or library to RUNPATH]:RUNPATH:_dirs' '--remove-rpath[Removes the DT_RPATH or DT_RUNPATH entry of the executable or library]' '--shrink-rpath[Remove from the DT_RUNPATH or DT_RPATH all directories that do not contain a library referenced by DT_NEEDED fields of the executable or library]' '--allowed-rpath-prefixes[Combined with the "--shrink-rpath" option, this can be used for further rpath tuning]:PREFIXES' '(- : *)--print-rpath[Prints the DT_RUNPATH or DT_RPATH for an executable or library]' '--force-rpath[Forces the use of the obsolete DT_RPATH in the file instead of DT_RUNPATH]' '--add-needed[Adds a declared dependency on a dynamic library]:LIBRARY' '*--replace-needed[Replaces a declared dependency on a dynamic library with another one]:a declared dependency:LIB_ORIG:another declared dependency:LIB_NEW' '--remove-needed[Removes a declared dependency on LIBRARY]:LIBRARY' '(- : *)--print-needed[Prints all DT_NEEDED entries of the executable]' '--no-default-lib[Marks the object so that the search for dependencies of this object will ignore any default library search paths]' '--no-sort[Do not sort program headers or section headers]' '--add-debug-tag[Adds DT_DEBUG tag to the .dynamic section if not yet present in an ELF object]' '(- : *)--print-execstack[Prints the state of the executable flag of the GNU_STACK program header, if present]' '--clear-execstack[Clears the executable flag of the GNU_STACK program header, or adds a new header]' '--set-execstack[Sets the executable flag of the GNU_STACK program header, or adds a new header]' '--rename-dynamic-symbols[Renames dynamic symbols]:NAME_MAP_FILE' '--output[Set the output file name]:FILE:_files' '--debug[Prints details of the changes made to the input file]' '--version[Shows the version of patchelf]' "(- : *)"{-h,--help}'[Show list of command-line options]' ) _arguments -s -S $options '*: :_files' patchelf-0.18.0/configure.ac000066400000000000000000000024641442121340000156510ustar00rootroot00000000000000AC_PREREQ([2.62]) AC_INIT([patchelf], m4_esyscmd([printf $(cat ./version)])) AC_CONFIG_SRCDIR([src/patchelf.cc]) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE([1.11.1 -Wall -Werror dist-bzip2 foreign color-tests parallel-tests]) AC_CONFIG_MACRO_DIR([m4]) AC_CHECK_TOOL([STRIP], [strip]) # Those are only used in tests, hence we gracefully degrate if they are not found. AC_CHECK_TOOL([OBJDUMP], [objdump], [objdump]) AC_CHECK_TOOL([OBJCOPY], [objcopy], [objcopy]) AC_CHECK_TOOL([READELF], [readelf], [readelf]) AM_PROG_CC_C_O AC_PROG_CXX AC_LANG([C++]) AM_PROG_AS DEFAULT_PAGESIZE=auto AC_ARG_WITH([page-size], AS_HELP_STRING([--with-page-size=SIZE], [Specify default pagesize (default auto)]), DEFAULT_PAGESIZE=$withval ) if test "$DEFAULT_PAGESIZE" != auto; then AC_DEFINE_UNQUOTED(DEFAULT_PAGESIZE, ${DEFAULT_PAGESIZE}) AC_MSG_RESULT([Setting page size to ${DEFAULT_PAGESIZE}]) fi AC_ARG_WITH([asan], AS_HELP_STRING([--with-asan], [Build with address sanitizer]) ) AM_CONDITIONAL([WITH_ASAN], [test x"$with_asan" = xyes]) AX_CXX_COMPILE_STDCXX([17], [noext], []) AC_ARG_WITH([ubsan], AS_HELP_STRING([--with-ubsan], [Build with undefined behavior sanitizer]) ) AM_CONDITIONAL([WITH_UBSAN], [test x"$with_ubsan" = xyes]) AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile patchelf.spec]) AC_OUTPUT patchelf-0.18.0/default.nix000066400000000000000000000001631442121340000155210ustar00rootroot00000000000000(import (fetchTarball https://github.com/edolstra/flake-compat/archive/master.tar.gz) { src = ./.; }).defaultNix patchelf-0.18.0/flake.lock000066400000000000000000000010371442121340000153120ustar00rootroot00000000000000{ "nodes": { "nixpkgs": { "locked": { "lastModified": 1672057183, "narHash": "sha256-GN7/10DNNvs1FPj9tlZA2qgNdFuYKKuS3qlHTqAxasQ=", "owner": "NixOS", "repo": "nixpkgs", "rev": "b139e44d78c36c69bcbb825b20dbfa51e7738347", "type": "github" }, "original": { "id": "nixpkgs", "ref": "nixpkgs-unstable", "type": "indirect" } }, "root": { "inputs": { "nixpkgs": "nixpkgs" } } }, "root": "root", "version": 7 } patchelf-0.18.0/flake.nix000066400000000000000000000106701442121340000151630ustar00rootroot00000000000000{ description = "A tool for modifying ELF executables and libraries"; inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable"; outputs = { self, nixpkgs }: let supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ]; forAllSystems = nixpkgs.lib.genAttrs supportedSystems; version = nixpkgs.lib.removeSuffix "\n" (builtins.readFile ./version); pkgs = nixpkgs.legacyPackages.x86_64-linux; patchelfFor = pkgs: let # this is only in pkgs.callPackage ./patchelf.nix { inherit version; src = self; }; in { overlays.default = final: prev: { patchelf-new-musl = patchelfFor final.pkgsMusl; patchelf-new = patchelfFor final; }; hydraJobs = { tarball = pkgs.releaseTools.sourceTarball rec { name = "patchelf-tarball"; inherit version; versionSuffix = ""; # obsolete src = self; preAutoconf = "echo ${version} > version"; postDist = '' cp README.md $out/ echo "doc readme $out/README.md" >> $out/nix-support/hydra-build-products ''; }; coverage = (pkgs.releaseTools.coverageAnalysis { name = "patchelf-coverage"; src = self.hydraJobs.tarball; lcovFilter = ["*/tests/*"]; }).overrideAttrs (old: { preCheck = '' # coverage cflag breaks this target NIX_CFLAGS_COMPILE=''${NIX_CFLAGS_COMPILE//--coverage} make -C tests phdr-corruption.so ''; }); build = forAllSystems (system: self.packages.${system}.patchelf); build-sanitized = forAllSystems (system: self.packages.${system}.patchelf.overrideAttrs (old: { configureFlags = [ "--with-asan " "--with-ubsan" ]; # -Wno-unused-command-line-argument is for clang, which does not like # our cc wrapper arguments CFLAGS = "-Werror -Wno-unused-command-line-argument"; })); # x86_64-linux seems to be only working clangStdenv at the moment build-sanitized-clang = nixpkgs.lib.genAttrs [ "x86_64-linux" ] (system: self.hydraJobs.build-sanitized.${system}.override { stdenv = nixpkgs.legacyPackages.${system}.llvmPackages_latest.libcxxStdenv; }); # To get mingw compiler from hydra cache inherit (self.packages.x86_64-linux) patchelf-win32 patchelf-win64; release = pkgs.releaseTools.aggregate { name = "patchelf-${self.hydraJobs.tarball.version}"; constituents = [ self.hydraJobs.tarball self.hydraJobs.build.x86_64-linux self.hydraJobs.build.i686-linux # FIXME: add aarch64 emulation to our github action... #self.hydraJobs.build.aarch64-linux self.hydraJobs.build-sanitized.x86_64-linux #self.hydraJobs.build-sanitized.aarch64-linux self.hydraJobs.build-sanitized.i686-linux self.hydraJobs.build-sanitized-clang.x86_64-linux ]; meta.description = "Release-critical builds"; }; }; checks = forAllSystems (system: { build = self.hydraJobs.build.${system}; }); devShells = forAllSystems (system: { glibc = self.packages.${system}.patchelf; default = self.devShells.${system}.glibc; } // nixpkgs.lib.optionalAttrs (system != "i686-linux") { musl = self.packages.${system}.patchelf-musl; }); packages = forAllSystems (system: let pkgs = nixpkgs.legacyPackages.${system}; in { patchelf = patchelfFor pkgs; default = self.packages.${system}.patchelf; # This is a good test to see if packages can be cross-compiled. It also # tests if our testsuite uses target-prefixed executable names. patchelf-musl-cross = patchelfFor pkgs.pkgsCross.musl64; patchelf-netbsd-cross = patchelfFor pkgs.pkgsCross.x86_64-netbsd; patchelf-win32 = (patchelfFor pkgs.pkgsCross.mingw32).overrideAttrs (old: { NIX_CFLAGS_COMPILE = "-static"; }); patchelf-win64 = (patchelfFor pkgs.pkgsCross.mingwW64).overrideAttrs (old: { NIX_CFLAGS_COMPILE = "-static"; }); } // nixpkgs.lib.optionalAttrs (system != "i686-linux") { patchelf-musl = patchelfFor nixpkgs.legacyPackages.${system}.pkgsMusl; }); }; } patchelf-0.18.0/m4/000077500000000000000000000000001442121340000136755ustar00rootroot00000000000000patchelf-0.18.0/m4/ax_cxx_compile_stdcxx.m4000066400000000000000000000512061442121340000205420ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html # =========================================================================== # # SYNOPSIS # # AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional]) # # DESCRIPTION # # Check for baseline language coverage in the compiler for the specified # version of the C++ standard. If necessary, add switches to CXX and # CXXCPP to enable support. VERSION may be '11', '14', '17', or '20' for # the respective C++ standard version. # # The second argument, if specified, indicates whether you insist on an # extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g. # -std=c++11). If neither is specified, you get whatever works, with # preference for no added switch, and then for an extended mode. # # The third argument, if specified 'mandatory' or if left unspecified, # indicates that baseline support for the specified C++ standard is # required and that the macro should error out if no mode with that # support is found. If specified 'optional', then configuration proceeds # regardless, after defining HAVE_CXX${VERSION} if and only if a # supporting mode is found. # # LICENSE # # Copyright (c) 2008 Benjamin Kosnik # Copyright (c) 2012 Zack Weinberg # Copyright (c) 2013 Roy Stogner # Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov # Copyright (c) 2015 Paul Norman # Copyright (c) 2015 Moritz Klammler # Copyright (c) 2016, 2018 Krzesimir Nowak # Copyright (c) 2019 Enji Cooper # Copyright (c) 2020 Jason Merrill # Copyright (c) 2021 Jörn Heusipp # # 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 any # warranty. #serial 15 dnl This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro dnl (serial version number 13). 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// Hopefully, this will speed up the test. #ifndef __cplusplus #error "This is not a C++ compiler" // MSVC always sets __cplusplus to 199711L in older versions; newer versions // only set it correctly if /Zc:__cplusplus is specified as well as a // /std:c++NN switch: // https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/ #elif __cplusplus < 201103L && !defined _MSC_VER #error "This is not a C++11 compiler" #else namespace cxx11 { namespace test_static_assert { template struct check { static_assert(sizeof(int) <= sizeof(T), "not big enough"); }; } namespace test_final_override { struct Base { virtual ~Base() {} virtual void f() {} }; struct Derived : public Base { virtual ~Derived() override {} virtual void f() override {} }; } namespace test_double_right_angle_brackets { template < typename T > struct check {}; typedef check single_type; typedef check> double_type; typedef check>> triple_type; typedef check>>> quadruple_type; } namespace test_decltype { int f() { int a = 1; decltype(a) b = 2; return a + b; } } namespace test_type_deduction { template < typename T1, typename T2 > struct is_same { static const bool value = false; }; template < typename T > struct is_same { static const bool value = true; }; template < typename T1, typename T2 > auto add(T1 a1, T2 a2) -> decltype(a1 + a2) { return a1 + a2; } int test(const int c, volatile int v) { static_assert(is_same::value == true, ""); static_assert(is_same::value == false, ""); static_assert(is_same::value == false, ""); auto ac = c; auto av = v; auto sumi = ac + av + 'x'; auto sumf = ac + av + 1.0; static_assert(is_same::value == true, ""); static_assert(is_same::value == true, ""); static_assert(is_same::value == true, ""); static_assert(is_same::value == false, ""); static_assert(is_same::value == true, ""); return (sumf > 0.0) ? sumi : add(c, v); } } namespace test_noexcept { int f() { return 0; } int g() noexcept { return 0; } static_assert(noexcept(f()) == false, ""); static_assert(noexcept(g()) == true, ""); } namespace test_constexpr { template < typename CharT > unsigned long constexpr strlen_c_r(const CharT *const s, const unsigned long acc) noexcept { return *s ? strlen_c_r(s + 1, acc + 1) : acc; } template < typename CharT > unsigned long constexpr strlen_c(const CharT *const s) noexcept { return strlen_c_r(s, 0UL); } static_assert(strlen_c("") == 0UL, ""); static_assert(strlen_c("1") == 1UL, ""); static_assert(strlen_c("example") == 7UL, ""); static_assert(strlen_c("another\0example") == 7UL, ""); } namespace test_rvalue_references { template < int N > struct answer { static constexpr int value = N; }; answer<1> f(int&) { return answer<1>(); } answer<2> f(const int&) { return answer<2>(); } answer<3> f(int&&) { return answer<3>(); } void test() { int i = 0; const int c = 0; static_assert(decltype(f(i))::value == 1, ""); static_assert(decltype(f(c))::value == 2, ""); static_assert(decltype(f(0))::value == 3, ""); } } namespace test_uniform_initialization { struct test { static const int zero {}; static const int one {1}; }; static_assert(test::zero == 0, ""); static_assert(test::one == 1, ""); } namespace test_lambdas { void test1() { auto lambda1 = [](){}; auto lambda2 = lambda1; lambda1(); lambda2(); } int test2() { auto a = [](int i, int j){ return i + j; }(1, 2); auto b = []() -> int { return '0'; }(); auto c = [=](){ return a + b; }(); auto d = [&](){ return c; }(); auto e = [a, &b](int x) mutable { const auto identity = [](int y){ return y; }; for (auto i = 0; i < a; ++i) a += b--; return x + identity(a + b); }(0); return a + b + c + d + e; } int test3() { const auto nullary = [](){ return 0; }; const auto unary = [](int x){ return x; }; using nullary_t = decltype(nullary); using unary_t = decltype(unary); const auto higher1st = [](nullary_t f){ return f(); }; const auto higher2nd = [unary](nullary_t f1){ return [unary, f1](unary_t f2){ return f2(unary(f1())); }; }; return higher1st(nullary) + higher2nd(nullary)(unary); } } namespace test_variadic_templates { template struct sum; template struct sum { static constexpr auto value = N0 + sum::value; }; template <> struct sum<> { static constexpr auto value = 0; }; static_assert(sum<>::value == 0, ""); static_assert(sum<1>::value == 1, ""); static_assert(sum<23>::value == 23, ""); static_assert(sum<1, 2>::value == 3, ""); static_assert(sum<5, 5, 11>::value == 21, ""); static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); } // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function // because of this. namespace test_template_alias_sfinae { struct foo {}; template using member = typename T::member_type; template void func(...) {} template void func(member*) {} void test(); void test() { func(0); } } } // namespace cxx11 #endif // __cplusplus >= 201103L ]]) dnl Tests for new features in C++14 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_14], [[ // If the compiler admits that it is not ready for C++14, why torture it? // Hopefully, this will speed up the test. #ifndef __cplusplus #error "This is not a C++ compiler" #elif __cplusplus < 201402L && !defined _MSC_VER #error "This is not a C++14 compiler" #else namespace cxx14 { namespace test_polymorphic_lambdas { int test() { const auto lambda = [](auto&&... args){ const auto istiny = [](auto x){ return (sizeof(x) == 1UL) ? 1 : 0; }; const int aretiny[] = { istiny(args)... }; return aretiny[0]; }; return lambda(1, 1L, 1.0f, '1'); } } namespace test_binary_literals { constexpr auto ivii = 0b0000000000101010; static_assert(ivii == 42, "wrong value"); } namespace test_generalized_constexpr { template < typename CharT > constexpr unsigned long strlen_c(const CharT *const s) noexcept { auto length = 0UL; for (auto p = s; *p; ++p) ++length; return length; } static_assert(strlen_c("") == 0UL, ""); static_assert(strlen_c("x") == 1UL, ""); static_assert(strlen_c("test") == 4UL, ""); static_assert(strlen_c("another\0test") == 7UL, ""); } namespace test_lambda_init_capture { int test() { auto x = 0; const auto lambda1 = [a = x](int b){ return a + b; }; const auto lambda2 = [a = lambda1(x)](){ return a; }; return lambda2(); } } namespace test_digit_separators { constexpr auto ten_million = 100'000'000; static_assert(ten_million == 100000000, ""); } namespace test_return_type_deduction { auto f(int& x) { return x; } decltype(auto) g(int& x) { return x; } template < typename T1, typename T2 > struct is_same { static constexpr auto value = false; }; template < typename T > struct is_same { static constexpr auto value = true; }; int test() { auto x = 0; static_assert(is_same::value, ""); static_assert(is_same::value, ""); return x; } } } // namespace cxx14 #endif // __cplusplus >= 201402L ]]) dnl Tests for new features in C++17 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_17], [[ // If the compiler admits that it is not ready for C++17, why torture it? // Hopefully, this will speed up the test. #ifndef __cplusplus #error "This is not a C++ compiler" #elif __cplusplus < 201703L && !defined _MSC_VER #error "This is not a C++17 compiler" #else #include #include #include namespace cxx17 { namespace test_constexpr_lambdas { constexpr int foo = [](){return 42;}(); } namespace test::nested_namespace::definitions { } namespace test_fold_expression { template int multiply(Args... args) { return (args * ... * 1); } template bool all(Args... args) { return (args && ...); } } namespace test_extended_static_assert { static_assert (true); } namespace test_auto_brace_init_list { auto foo = {5}; auto bar {5}; static_assert(std::is_same, decltype(foo)>::value); static_assert(std::is_same::value); } namespace test_typename_in_template_template_parameter { template typename X> struct D; } namespace test_fallthrough_nodiscard_maybe_unused_attributes { int f1() { return 42; } [[nodiscard]] int f2() { [[maybe_unused]] auto unused = f1(); switch (f1()) { case 17: f1(); [[fallthrough]]; case 42: f1(); } return f1(); } } namespace test_extended_aggregate_initialization { struct base1 { int b1, b2 = 42; }; struct base2 { base2() { b3 = 42; } int b3; }; struct derived : base1, base2 { int d; }; derived d1 {{1, 2}, {}, 4}; // full initialization derived d2 {{}, {}, 4}; // value-initialized bases } namespace test_general_range_based_for_loop { struct iter { int i; int& operator* () { return i; } const int& operator* () const { return i; } iter& operator++() { ++i; return *this; } }; struct sentinel { int i; }; bool operator== (const iter& i, const sentinel& s) { return i.i == s.i; } bool operator!= (const iter& i, const sentinel& s) { return !(i == s); } struct range { iter begin() const { return {0}; } sentinel end() const { return {5}; } }; void f() { range r {}; for (auto i : r) { [[maybe_unused]] auto v = i; } } } namespace test_lambda_capture_asterisk_this_by_value { struct t { int i; int foo() { return [*this]() { return i; }(); } }; } namespace test_enum_class_construction { enum class byte : unsigned char {}; byte foo {42}; } namespace test_constexpr_if { template int f () { if constexpr(cond) { return 13; } else { return 42; } } } namespace test_selection_statement_with_initializer { int f() { return 13; } int f2() { if (auto i = f(); i > 0) { return 3; } switch (auto i = f(); i + 4) { case 17: return 2; default: return 1; } } } namespace test_template_argument_deduction_for_class_templates { template struct pair { pair (T1 p1, T2 p2) : m1 {p1}, m2 {p2} {} T1 m1; T2 m2; }; void f() { [[maybe_unused]] auto p = pair{13, 42u}; } } namespace test_non_type_auto_template_parameters { template struct B {}; B<5> b1; B<'a'> b2; } namespace test_structured_bindings { int arr[2] = { 1, 2 }; std::pair pr = { 1, 2 }; auto f1() -> int(&)[2] { return arr; } auto f2() -> std::pair& { return pr; } struct S { int x1 : 2; volatile double y1; }; S f3() { return {}; } auto [ x1, y1 ] = f1(); auto& [ xr1, yr1 ] = f1(); auto [ x2, y2 ] = f2(); auto& [ xr2, yr2 ] = f2(); const auto [ x3, y3 ] = f3(); } namespace test_exception_spec_type_system { struct Good {}; struct Bad {}; void g1() noexcept; void g2(); template Bad f(T*, T*); template Good f(T1*, T2*); static_assert (std::is_same_v); } namespace test_inline_variables { template void f(T) {} template inline T g(T) { return T{}; } template<> inline void f<>(int) {} template<> int g<>(int) { return 5; } } } // namespace cxx17 #endif // __cplusplus < 201703L && !defined _MSC_VER ]]) dnl Tests for new features in C++20 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_20], [[ #ifndef __cplusplus #error "This is not a C++ compiler" #elif __cplusplus < 202002L && !defined _MSC_VER #error "This is not a C++20 compiler" #else #include namespace cxx20 { // As C++20 supports feature test macros in the standard, there is no // immediate need to actually test for feature availability on the // Autoconf side. } // namespace cxx20 #endif // __cplusplus < 202002L && !defined _MSC_VER ]]) patchelf-0.18.0/patchelf.1000066400000000000000000000120401442121340000152220ustar00rootroot00000000000000.\" Process this file with .\" groff -man -Tascii patchelf.1 .\" .TH PATCHELF 1 "JULY 2022" PATCHELF "User Manuals" .SH NAME patchelf - Modify ELF files .SH SYNOPSIS .B patchelf .I OPTION .B .I FILE .SM ... .B .SH DESCRIPTION PatchELF is a simple utility for modifying existing ELF executables and libraries. It can change the dynamic loader ("ELF interpreter") of executables and change the RPATH of executables and libraries. .SH OPTIONS The single option given operates on each FILE, editing in place. Any option taking a string argument can also take a file by prefixing the argument with the @ symbol. See EXAMPLES .IP "--page-size SIZE" Uses the given page size instead of the default. .IP "--set-interpreter INTERPRETER" Change the dynamic loader ("ELF interpreter") of executable given to INTERPRETER. .IP --print-interpreter Prints the ELF interpreter of the executable. .IP --print-os-abi Prints the OS ABI of the executable (EI_OSABI field of an ELF file). .IP "--set-os-abi ABI" Changes the OS ABI of the executable (EI_OSABI field of an ELF file). The ABI parameter is pretty flexible. For example, you can specify it as a "Linux", "linux", or even "lInUx" - all those names will set EI_OSABI field of the ELF header to the value "3", which corresponds to Linux OS ABI. The same applies to other ABI names - System V, FreeBSD, Solaris, etc. .IP --print-soname Prints DT_SONAME entry of .dynamic section. Raises an error if DT_SONAME doesn't exist. .IP "--set-soname SONAME" Sets DT_SONAME entry of a library to SONAME. .IP "--set-rpath RUNPATH" Change the DT_RUNPATH of the executable or library to RUNPATH. .IP "--add-rpath RUNPATH" Add RUNPATH to the existing DT_RUNPATH of the executable or library. .IP --remove-rpath Removes the DT_RPATH or DT_RUNPATH entry of the executable or library. .IP --shrink-rpath Remove from the DT_RUNPATH or DT_RPATH all directories that do not contain a library referenced by DT_NEEDED fields of the executable or library. For instance, if an executable references one library libfoo.so, has an RPATH "/lib:/usr/lib:/foo/lib", and libfoo.so can only be found in /foo/lib, then the new RPATH will be "/foo/lib". .IP "--allowed-rpath-prefixes PREFIXES" Combined with the "--shrink-rpath" option, this can be used for further rpath tuning. For instance, if an executable has an RPATH "/tmp/build-foo/.libs:/foo/lib", it is probably desirable to keep the "/foo/lib" reference instead of the "/tmp" entry. .IP --print-rpath Prints the DT_RUNPATH or DT_RPATH for an executable or library. .IP --force-rpath Forces the use of the obsolete DT_RPATH in the file instead of DT_RUNPATH. By default DT_RPATH is converted to DT_RUNPATH. .IP "--add-needed LIBRARY" Adds a declared dependency on a dynamic library (DT_NEEDED). This option can be given multiple times. .IP "--replace-needed LIB_ORIG LIB_NEW" Replaces a declared dependency on a dynamic library with another one (DT_NEEDED). This option can be given multiple times. .IP "--remove-needed LIBRARY" Removes a declared dependency on LIBRARY (DT_NEEDED entry). This option can be given multiple times. .IP --print-needed Prints all DT_NEEDED entries of the executable. .IP "--no-default-lib" Marks the object so that the search for dependencies of this object will ignore any default library search paths. .IP "--no-sort" Do not sort program headers or section headers. This is useful when debugging patchelf, because it makes it easier to read diffs of the output of "readelf -a". .IP "--add-debug-tag" Adds DT_DEBUG tag to the .dynamic section if not yet present in an ELF object. A shared library (-shared) by default does not receive DT_DEBUG tag. This means that when a shared library has an entry point (so that it can be run as an executable), the debugger does not connect to it correctly and symbols are not resolved. .IP "--print-execstack" Prints the state of the executable flag of the GNU_STACK program header, if present. .IP "--clear-execstack" Clears the executable flag of the GNU_STACK program header, or adds a new header. .IP "--set-execstack" Sets the executable flag of the GNU_STACK program header, or adds a new header. .IP "--rename-dynamic-symbols NAME_MAP_FILE" Renames dynamic symbols. The name map file should contain lines with the old and the new name separated by spaces like this: old_name new_name Symbol names do not contain version specifier that are also shown in the output of the nm -D command from binutils. So instead of the name write@GLIBC_2.2.5 it is just write. .IP "--output FILE" Set the output file name. If not specified, the input will be modified in place. .IP --debug Prints details of the changes made to the input file. .IP --version Shows the version of patchelf. .SH EXAMPLES To use the contents on an external file as a parameter: .RS $ patchelf a.out --add-rpath @/tmp/generated-rpath.bin .RE To change the RPATH of a binary. Note that .BR $ORIGIN is a special symbol used by the loader, so must be quoted. .RS patchelf --set-rpath '$ORIGIN/../lib64' a.out .RE .SH AUTHOR Eelco Dolstra .SH "SEE ALSO" .BR elf (5), .BR ld.so (8) patchelf-0.18.0/patchelf.nix000066400000000000000000000010341442121340000156610ustar00rootroot00000000000000{ stdenv, buildPackages, autoreconfHook, version, src, overrideCC }: let # on windows we use win32 threads to get a fully static binary gcc = buildPackages.wrapCC (buildPackages.gcc-unwrapped.override ({ threadsCross = { model = "win32"; package = null; }; })); stdenv' = if (stdenv.cc.isGNU && stdenv.targetPlatform.isWindows) then overrideCC stdenv gcc else stdenv; in stdenv'.mkDerivation { pname = "patchelf"; inherit version src; nativeBuildInputs = [ autoreconfHook ]; doCheck = true; } patchelf-0.18.0/patchelf.spec.in000066400000000000000000000015061442121340000164260ustar00rootroot00000000000000Summary: A utility for patching ELF binaries Name: patchelf Version: @PACKAGE_VERSION@ Release: 1 License: GPL Group: Development/Tools URL: http://nixos.org/patchelf.html Source0: %{name}-%{version}.tar.bz2 BuildRoot: %{_tmppath}/%{name}-%{version}-buildroot Prefix: /usr %description PatchELF is a simple utility for modifying existing ELF executables and libraries. It can change the dynamic loader ("ELF interpreter") of executables and change the RPATH of executables and libraries. %prep %setup -q %build ./configure --prefix=%{_prefix} make make check %install rm -rf $RPM_BUILD_ROOT make DESTDIR=$RPM_BUILD_ROOT install # rpmbuild automatically strips... strip $RPM_BUILD_ROOT/%%{_bindir}/* || true %clean rm -rf $RPM_BUILD_ROOT %files %{_bindir}/patchelf %doc %{_docdir}/patchelf/README.md %{_mandir}/man1/patchelf.1.gz patchelf-0.18.0/src/000077500000000000000000000000001442121340000141445ustar00rootroot00000000000000patchelf-0.18.0/src/Makefile.am000066400000000000000000000007131442121340000162010ustar00rootroot00000000000000AM_CXXFLAGS = -Wall -Wextra -Wcast-qual -std=c++17 -D_FILE_OFFSET_BITS=64 if WITH_ASAN AM_CXXFLAGS += -fsanitize=address -fsanitize-address-use-after-scope endif if WITH_UBSAN AM_CXXFLAGS += -fsanitize=undefined endif SAN_FLAGS = -fno-optimize-sibling-calls -fno-omit-frame-pointer if WITH_ASAN AM_CXXFLAGS += $(SAN_FLAGS) else if WITH_UBSAN AM_CXXFLAGS += $(SAN_FLAGS) endif endif bin_PROGRAMS = patchelf patchelf_SOURCES = patchelf.cc elf.h patchelf.h patchelf-0.18.0/src/elf.h000066400000000000000000005567751442121340000151140ustar00rootroot00000000000000/* This file defines standard ELF types, structures, and macros. Copyright (C) 1995-2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef _ELF_H #define _ELF_H 1 /* Standard ELF types. */ #include /* Type for a 16-bit quantity. */ typedef uint16_t Elf32_Half; typedef uint16_t Elf64_Half; /* Types for signed and unsigned 32-bit quantities. */ typedef uint32_t Elf32_Word; typedef int32_t Elf32_Sword; typedef uint32_t Elf64_Word; typedef int32_t Elf64_Sword; /* Types for signed and unsigned 64-bit quantities. */ typedef uint64_t Elf32_Xword; typedef int64_t Elf32_Sxword; typedef uint64_t Elf64_Xword; typedef int64_t Elf64_Sxword; /* Type of addresses. */ typedef uint32_t Elf32_Addr; typedef uint64_t Elf64_Addr; /* Type of file offsets. */ typedef uint32_t Elf32_Off; typedef uint64_t Elf64_Off; /* Type for section indices, which are 16-bit quantities. */ typedef uint16_t Elf32_Section; typedef uint16_t Elf64_Section; /* Type for version symbol information. */ typedef Elf32_Half Elf32_Versym; typedef Elf64_Half Elf64_Versym; /* The ELF file header. This appears at the start of every ELF file. */ #define EI_NIDENT (16) typedef struct { unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf32_Half e_type; /* Object file type */ Elf32_Half e_machine; /* Architecture */ Elf32_Word e_version; /* Object file version */ Elf32_Addr e_entry; /* Entry point virtual address */ Elf32_Off e_phoff; /* Program header table file offset */ Elf32_Off e_shoff; /* Section header table file offset */ Elf32_Word e_flags; /* Processor-specific flags */ Elf32_Half e_ehsize; /* ELF header size in bytes */ Elf32_Half e_phentsize; /* Program header table entry size */ Elf32_Half e_phnum; /* Program header table entry count */ Elf32_Half e_shentsize; /* Section header table entry size */ Elf32_Half e_shnum; /* Section header table entry count */ Elf32_Half e_shstrndx; /* Section header string table index */ } Elf32_Ehdr; typedef struct { unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ Elf64_Half e_type; /* Object file type */ Elf64_Half e_machine; /* Architecture */ Elf64_Word e_version; /* Object file version */ Elf64_Addr e_entry; /* Entry point virtual address */ Elf64_Off e_phoff; /* Program header table file offset */ Elf64_Off e_shoff; /* Section header table file offset */ Elf64_Word e_flags; /* Processor-specific flags */ Elf64_Half e_ehsize; /* ELF header size in bytes */ Elf64_Half e_phentsize; /* Program header table entry size */ Elf64_Half e_phnum; /* Program header table entry count */ Elf64_Half e_shentsize; /* Section header table entry size */ Elf64_Half e_shnum; /* Section header table entry count */ Elf64_Half e_shstrndx; /* Section header string table index */ } Elf64_Ehdr; /* Fields in the e_ident array. The EI_* macros are indices into the array. The macros under each EI_* macro are the values the byte may have. */ #define EI_MAG0 0 /* File identification byte 0 index */ #define ELFMAG0 0x7f /* Magic number byte 0 */ #define EI_MAG1 1 /* File identification byte 1 index */ #define ELFMAG1 'E' /* Magic number byte 1 */ #define EI_MAG2 2 /* File identification byte 2 index */ #define ELFMAG2 'L' /* Magic number byte 2 */ #define EI_MAG3 3 /* File identification byte 3 index */ #define ELFMAG3 'F' /* Magic number byte 3 */ /* Conglomeration of the identification bytes, for easy testing as a word. */ #define ELFMAG "\177ELF" #define SELFMAG 4 #define EI_CLASS 4 /* File class byte index */ #define ELFCLASSNONE 0 /* Invalid class */ #define ELFCLASS32 1 /* 32-bit objects */ #define ELFCLASS64 2 /* 64-bit objects */ #define ELFCLASSNUM 3 #define EI_DATA 5 /* Data encoding byte index */ #define ELFDATANONE 0 /* Invalid data encoding */ #define ELFDATA2LSB 1 /* 2's complement, little endian */ #define ELFDATA2MSB 2 /* 2's complement, big endian */ #define ELFDATANUM 3 #define EI_VERSION 6 /* File version byte index */ /* Value must be EV_CURRENT */ #define EI_OSABI 7 /* OS ABI identification */ #define ELFOSABI_NONE 0 /* UNIX System V ABI */ #define ELFOSABI_SYSV 0 /* Alias. */ #define ELFOSABI_HPUX 1 /* HP-UX */ #define ELFOSABI_NETBSD 2 /* NetBSD. */ #define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */ #define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */ #define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ #define ELFOSABI_AIX 7 /* IBM AIX. */ #define ELFOSABI_IRIX 8 /* SGI Irix. */ #define ELFOSABI_FREEBSD 9 /* FreeBSD. */ #define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ #define ELFOSABI_MODESTO 11 /* Novell Modesto. */ #define ELFOSABI_OPENBSD 12 /* OpenBSD. */ #define ELFOSABI_ARM_AEABI 64 /* ARM EABI */ #define ELFOSABI_ARM 97 /* ARM */ #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ #define EI_ABIVERSION 8 /* ABI version */ #define EI_PAD 9 /* Byte index of padding bytes */ /* Legal values for e_type (object file type). */ #define ET_NONE 0 /* No file type */ #define ET_REL 1 /* Relocatable file */ #define ET_EXEC 2 /* Executable file */ #define ET_DYN 3 /* Shared object file */ #define ET_CORE 4 /* Core file */ #define ET_NUM 5 /* Number of defined types */ #define ET_LOOS 0xfe00 /* OS-specific range start */ #define ET_HIOS 0xfeff /* OS-specific range end */ #define ET_LOPROC 0xff00 /* Processor-specific range start */ #define ET_HIPROC 0xffff /* Processor-specific range end */ /* Legal values for e_machine (architecture). */ #define EM_NONE 0 /* No machine */ #define EM_M32 1 /* AT&T WE 32100 */ #define EM_SPARC 2 /* SUN SPARC */ #define EM_386 3 /* Intel 80386 */ #define EM_68K 4 /* Motorola m68k family */ #define EM_88K 5 /* Motorola m88k family */ #define EM_IAMCU 6 /* Intel MCU */ #define EM_860 7 /* Intel 80860 */ #define EM_MIPS 8 /* MIPS R3000 big-endian */ #define EM_S370 9 /* IBM System/370 */ #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ /* reserved 11-14 */ #define EM_PARISC 15 /* HPPA */ /* reserved 16 */ #define EM_VPP500 17 /* Fujitsu VPP500 */ #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ #define EM_960 19 /* Intel 80960 */ #define EM_PPC 20 /* PowerPC */ #define EM_PPC64 21 /* PowerPC 64-bit */ #define EM_S390 22 /* IBM S390 */ #define EM_SPU 23 /* IBM SPU/SPC */ /* reserved 24-35 */ #define EM_V800 36 /* NEC V800 series */ #define EM_FR20 37 /* Fujitsu FR20 */ #define EM_RH32 38 /* TRW RH-32 */ #define EM_RCE 39 /* Motorola RCE */ #define EM_ARM 40 /* ARM */ #define EM_FAKE_ALPHA 41 /* Digital Alpha */ #define EM_SH 42 /* Hitachi SH */ #define EM_SPARCV9 43 /* SPARC v9 64-bit */ #define EM_TRICORE 44 /* Siemens Tricore */ #define EM_ARC 45 /* Argonaut RISC Core */ #define EM_H8_300 46 /* Hitachi H8/300 */ #define EM_H8_300H 47 /* Hitachi H8/300H */ #define EM_H8S 48 /* Hitachi H8S */ #define EM_H8_500 49 /* Hitachi H8/500 */ #define EM_IA_64 50 /* Intel Merced */ #define EM_MIPS_X 51 /* Stanford MIPS-X */ #define EM_COLDFIRE 52 /* Motorola Coldfire */ #define EM_68HC12 53 /* Motorola M68HC12 */ #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ #define EM_PCP 55 /* Siemens PCP */ #define EM_NCPU 56 /* Sony nCPU embeeded RISC */ #define EM_NDR1 57 /* Denso NDR1 microprocessor */ #define EM_STARCORE 58 /* Motorola Start*Core processor */ #define EM_ME16 59 /* Toyota ME16 processor */ #define EM_ST100 60 /* STMicroelectronic ST100 processor */ #define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam */ #define EM_X86_64 62 /* AMD x86-64 architecture */ #define EM_PDSP 63 /* Sony DSP Processor */ #define EM_PDP10 64 /* Digital PDP-10 */ #define EM_PDP11 65 /* Digital PDP-11 */ #define EM_FX66 66 /* Siemens FX66 microcontroller */ #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ #define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ #define EM_SVX 73 /* Silicon Graphics SVx */ #define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ #define EM_VAX 75 /* Digital VAX */ #define EM_CRIS 76 /* Axis Communications 32-bit emb.proc */ #define EM_JAVELIN 77 /* Infineon Technologies 32-bit emb.proc */ #define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ #define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ #define EM_MMIX 80 /* Donald Knuth's educational 64-bit proc */ #define EM_HUANY 81 /* Harvard University machine-independent object files */ #define EM_PRISM 82 /* SiTera Prism */ #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ #define EM_FR30 84 /* Fujitsu FR30 */ #define EM_D10V 85 /* Mitsubishi D10V */ #define EM_D30V 86 /* Mitsubishi D30V */ #define EM_V850 87 /* NEC v850 */ #define EM_M32R 88 /* Mitsubishi M32R */ #define EM_MN10300 89 /* Matsushita MN10300 */ #define EM_MN10200 90 /* Matsushita MN10200 */ #define EM_PJ 91 /* picoJava */ #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ #define EM_ARC_COMPACT 93 /* ARC International ARCompact */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore */ #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Proc */ #define EM_NS32K 97 /* National Semi. 32000 */ #define EM_TPC 98 /* Tenor Network TPC */ #define EM_SNP1K 99 /* Trebia SNP 1000 */ #define EM_ST200 100 /* STMicroelectronics ST200 */ #define EM_IP2K 101 /* Ubicom IP2xxx */ #define EM_MAX 102 /* MAX processor */ #define EM_CR 103 /* National Semi. CompactRISC */ #define EM_F2MC16 104 /* Fujitsu F2MC16 */ #define EM_MSP430 105 /* Texas Instruments msp430 */ #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */ #define EM_SE_C33 107 /* Seiko Epson S1C33 family */ #define EM_SEP 108 /* Sharp embedded microprocessor */ #define EM_ARCA 109 /* Arca RISC */ #define EM_UNICORE 110 /* PKU-Unity & MPRC Peking Uni. mc series */ #define EM_EXCESS 111 /* eXcess configurable cpu */ #define EM_DXP 112 /* Icera Semi. Deep Execution Processor */ #define EM_ALTERA_NIOS2 113 /* Altera Nios II */ #define EM_CRX 114 /* National Semi. CompactRISC CRX */ #define EM_XGATE 115 /* Motorola XGATE */ #define EM_C166 116 /* Infineon C16x/XC16x */ #define EM_M16C 117 /* Renesas M16C */ #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F */ #define EM_CE 119 /* Freescale Communication Engine RISC */ #define EM_M32C 120 /* Renesas M32C */ /* reserved 121-130 */ #define EM_TSK3000 131 /* Altium TSK3000 */ #define EM_RS08 132 /* Freescale RS08 */ #define EM_SHARC 133 /* Analog Devices SHARC family */ #define EM_ECOG2 134 /* Cyan Technology eCOG2 */ #define EM_SCORE7 135 /* Sunplus S+core7 RISC */ #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP */ #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III */ #define EM_LATTICEMICO32 138 /* RISC for Lattice FPGA */ #define EM_SE_C17 139 /* Seiko Epson C17 */ #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP */ #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP */ #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP */ #define EM_TI_ARP32 143 /* Texas Instruments App. Specific RISC */ #define EM_TI_PRU 144 /* Texas Instruments Prog. Realtime Unit */ /* reserved 145-159 */ #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW DSP */ #define EM_CYPRESS_M8C 161 /* Cypress M8C */ #define EM_R32C 162 /* Renesas R32C */ #define EM_TRIMEDIA 163 /* NXP Semi. TriMedia */ #define EM_QDSP6 164 /* QUALCOMM DSP6 */ #define EM_8051 165 /* Intel 8051 and variants */ #define EM_STXP7X 166 /* STMicroelectronics STxP7x */ #define EM_NDS32 167 /* Andes Tech. compact code emb. RISC */ #define EM_ECOG1X 168 /* Cyan Technology eCOG1X */ #define EM_MAXQ30 169 /* Dallas Semi. MAXQ30 mc */ #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP */ #define EM_MANIK 171 /* M2000 Reconfigurable RISC */ #define EM_CRAYNV2 172 /* Cray NV2 vector architecture */ #define EM_RX 173 /* Renesas RX */ #define EM_METAG 174 /* Imagination Tech. META */ #define EM_MCST_ELBRUS 175 /* MCST Elbrus */ #define EM_ECOG16 176 /* Cyan Technology eCOG16 */ #define EM_CR16 177 /* National Semi. CompactRISC CR16 */ #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ #define EM_SLE9X 179 /* Infineon Tech. SLE9X */ #define EM_L10M 180 /* Intel L10M */ #define EM_K10M 181 /* Intel K10M */ /* reserved 182 */ #define EM_AARCH64 183 /* ARM AARCH64 */ /* reserved 184 */ #define EM_AVR32 185 /* Amtel 32-bit microprocessor */ #define EM_STM8 186 /* STMicroelectronics STM8 */ #define EM_TILE64 187 /* Tilera TILE64 */ #define EM_TILEPRO 188 /* Tilera TILEPro */ #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze */ #define EM_CUDA 190 /* NVIDIA CUDA */ #define EM_TILEGX 191 /* Tilera TILE-Gx */ #define EM_CLOUDSHIELD 192 /* CloudShield */ #define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st gen. */ #define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd gen. */ #define EM_ARCV2 195 /* Synopsys ARCv2 ISA. */ #define EM_OPEN8 196 /* Open8 RISC */ #define EM_RL78 197 /* Renesas RL78 */ #define EM_VIDEOCORE5 198 /* Broadcom VideoCore V */ #define EM_78KOR 199 /* Renesas 78KOR */ #define EM_56800EX 200 /* Freescale 56800EX DSC */ #define EM_BA1 201 /* Beyond BA1 */ #define EM_BA2 202 /* Beyond BA2 */ #define EM_XCORE 203 /* XMOS xCORE */ #define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) */ #define EM_INTELGT 205 /* Intel Graphics Technology */ /* reserved 206-209 */ #define EM_KM32 210 /* KM211 KM32 */ #define EM_KMX32 211 /* KM211 KMX32 */ #define EM_EMX16 212 /* KM211 KMX16 */ #define EM_EMX8 213 /* KM211 KMX8 */ #define EM_KVARC 214 /* KM211 KVARC */ #define EM_CDP 215 /* Paneve CDP */ #define EM_COGE 216 /* Cognitive Smart Memory Processor */ #define EM_COOL 217 /* Bluechip CoolEngine */ #define EM_NORC 218 /* Nanoradio Optimized RISC */ #define EM_CSR_KALIMBA 219 /* CSR Kalimba */ #define EM_Z80 220 /* Zilog Z80 */ #define EM_VISIUM 221 /* Controls and Data Services VISIUMcore */ #define EM_FT32 222 /* FTDI Chip FT32 */ #define EM_MOXIE 223 /* Moxie processor */ #define EM_AMDGPU 224 /* AMD GPU */ /* reserved 225-242 */ #define EM_RISCV 243 /* RISC-V */ #define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */ #define EM_CSKY 252 /* C-SKY */ #define EM_LOONGARCH 258 /* LoongArch */ #define EM_NUM 259 /* Old spellings/synonyms. */ #define EM_ARC_A5 EM_ARC_COMPACT /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision with official or non-GNU unofficial values. */ #define EM_ALPHA 0x9026 /* Legal values for e_version (version). */ #define EV_NONE 0 /* Invalid ELF version */ #define EV_CURRENT 1 /* Current version */ #define EV_NUM 2 /* Section header. */ typedef struct { Elf32_Word sh_name; /* Section name (string tbl index) */ Elf32_Word sh_type; /* Section type */ Elf32_Word sh_flags; /* Section flags */ Elf32_Addr sh_addr; /* Section virtual addr at execution */ Elf32_Off sh_offset; /* Section file offset */ Elf32_Word sh_size; /* Section size in bytes */ Elf32_Word sh_link; /* Link to another section */ Elf32_Word sh_info; /* Additional section information */ Elf32_Word sh_addralign; /* Section alignment */ Elf32_Word sh_entsize; /* Entry size if section holds table */ } Elf32_Shdr; typedef struct { Elf64_Word sh_name; /* Section name (string tbl index) */ Elf64_Word sh_type; /* Section type */ Elf64_Xword sh_flags; /* Section flags */ Elf64_Addr sh_addr; /* Section virtual addr at execution */ Elf64_Off sh_offset; /* Section file offset */ Elf64_Xword sh_size; /* Section size in bytes */ Elf64_Word sh_link; /* Link to another section */ Elf64_Word sh_info; /* Additional section information */ Elf64_Xword sh_addralign; /* Section alignment */ Elf64_Xword sh_entsize; /* Entry size if section holds table */ } Elf64_Shdr; /* Special section indices. */ #define SHN_UNDEF 0 /* Undefined section */ #define SHN_LORESERVE 0xff00 /* Start of reserved indices */ #define SHN_LOPROC 0xff00 /* Start of processor-specific */ #define SHN_BEFORE 0xff00 /* Order section before all others (Solaris). */ #define SHN_AFTER 0xff01 /* Order section after all others (Solaris). */ #define SHN_HIPROC 0xff1f /* End of processor-specific */ #define SHN_LOOS 0xff20 /* Start of OS-specific */ #define SHN_HIOS 0xff3f /* End of OS-specific */ #define SHN_ABS 0xfff1 /* Associated symbol is absolute */ #define SHN_COMMON 0xfff2 /* Associated symbol is common */ #define SHN_XINDEX 0xffff /* Index is in extra table. */ #define SHN_HIRESERVE 0xffff /* End of reserved indices */ /* Legal values for sh_type (section type). */ #define SHT_NULL 0 /* Section header table entry unused */ #define SHT_PROGBITS 1 /* Program data */ #define SHT_SYMTAB 2 /* Symbol table */ #define SHT_STRTAB 3 /* String table */ #define SHT_RELA 4 /* Relocation entries with addends */ #define SHT_HASH 5 /* Symbol hash table */ #define SHT_DYNAMIC 6 /* Dynamic linking information */ #define SHT_NOTE 7 /* Notes */ #define SHT_NOBITS 8 /* Program space with no data (bss) */ #define SHT_REL 9 /* Relocation entries, no addends */ #define SHT_SHLIB 10 /* Reserved */ #define SHT_DYNSYM 11 /* Dynamic linker symbol table */ #define SHT_INIT_ARRAY 14 /* Array of constructors */ #define SHT_FINI_ARRAY 15 /* Array of destructors */ #define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ #define SHT_GROUP 17 /* Section group */ #define SHT_SYMTAB_SHNDX 18 /* Extended section indices */ #define SHT_RELR 19 /* RELR relative relocations */ #define SHT_NUM 20 /* Number of defined types. */ #define SHT_LOOS 0x60000000 /* Start OS-specific. */ #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */ #define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */ #define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ #define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ #define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ #define SHT_SUNW_move 0x6ffffffa #define SHT_SUNW_COMDAT 0x6ffffffb #define SHT_SUNW_syminfo 0x6ffffffc #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ #define SHT_HIOS 0x6fffffff /* End OS-specific type */ #define SHT_LOPROC 0x70000000 /* Start of processor-specific */ #define SHT_HIPROC 0x7fffffff /* End of processor-specific */ #define SHT_LOUSER 0x80000000 /* Start of application-specific */ #define SHT_HIUSER 0x8fffffff /* End of application-specific */ /* Legal values for sh_flags (section flags). */ #define SHF_WRITE (1 << 0) /* Writable */ #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ #define SHF_EXECINSTR (1 << 2) /* Executable */ #define SHF_MERGE (1 << 4) /* Might be merged */ #define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ #define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ #define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ #define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling required */ #define SHF_GROUP (1 << 9) /* Section is member of a group. */ #define SHF_TLS (1 << 10) /* Section hold thread-local data. */ #define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */ #define SHF_MASKOS 0x0ff00000 /* OS-specific. */ #define SHF_MASKPROC 0xf0000000 /* Processor-specific */ #define SHF_GNU_RETAIN (1 << 21) /* Not to be GCed by linker. */ #define SHF_ORDERED (1 << 30) /* Special ordering requirement (Solaris). */ #define SHF_EXCLUDE (1U << 31) /* Section is excluded unless referenced or allocated (Solaris).*/ /* Section compression header. Used when SHF_COMPRESSED is set. */ typedef struct { Elf32_Word ch_type; /* Compression format. */ Elf32_Word ch_size; /* Uncompressed data size. */ Elf32_Word ch_addralign; /* Uncompressed data alignment. */ } Elf32_Chdr; typedef struct { Elf64_Word ch_type; /* Compression format. */ Elf64_Word ch_reserved; Elf64_Xword ch_size; /* Uncompressed data size. */ Elf64_Xword ch_addralign; /* Uncompressed data alignment. */ } Elf64_Chdr; /* Legal values for ch_type (compression algorithm). */ #define ELFCOMPRESS_ZLIB 1 /* ZLIB/DEFLATE algorithm. */ #define ELFCOMPRESS_ZSTD 2 /* Zstandard algorithm. */ #define ELFCOMPRESS_LOOS 0x60000000 /* Start of OS-specific. */ #define ELFCOMPRESS_HIOS 0x6fffffff /* End of OS-specific. */ #define ELFCOMPRESS_LOPROC 0x70000000 /* Start of processor-specific. */ #define ELFCOMPRESS_HIPROC 0x7fffffff /* End of processor-specific. */ /* Section group handling. */ #define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ /* Symbol table entry. */ typedef struct { Elf32_Word st_name; /* Symbol name (string tbl index) */ Elf32_Addr st_value; /* Symbol value */ Elf32_Word st_size; /* Symbol size */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf32_Section st_shndx; /* Section index */ } Elf32_Sym; typedef struct { Elf64_Word st_name; /* Symbol name (string tbl index) */ unsigned char st_info; /* Symbol type and binding */ unsigned char st_other; /* Symbol visibility */ Elf64_Section st_shndx; /* Section index */ Elf64_Addr st_value; /* Symbol value */ Elf64_Xword st_size; /* Symbol size */ } Elf64_Sym; /* The syminfo section if available contains additional information about every dynamic symbol. */ typedef struct { Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ Elf32_Half si_flags; /* Per symbol flags */ } Elf32_Syminfo; typedef struct { Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ Elf64_Half si_flags; /* Per symbol flags */ } Elf64_Syminfo; /* Possible values for si_boundto. */ #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ /* Possible bitmasks for si_flags. */ #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ /* Syminfo version values. */ #define SYMINFO_NONE 0 #define SYMINFO_CURRENT 1 #define SYMINFO_NUM 2 /* How to extract and insert information held in the st_info field. */ #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) #define ELF32_ST_TYPE(val) ((val) & 0xf) #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ #define ELF64_ST_BIND(val) ELF32_ST_BIND (val) #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) /* Legal values for ST_BIND subfield of st_info (symbol binding). */ #define STB_LOCAL 0 /* Local symbol */ #define STB_GLOBAL 1 /* Global symbol */ #define STB_WEAK 2 /* Weak symbol */ #define STB_NUM 3 /* Number of defined types. */ #define STB_LOOS 10 /* Start of OS-specific */ #define STB_GNU_UNIQUE 10 /* Unique symbol. */ #define STB_HIOS 12 /* End of OS-specific */ #define STB_LOPROC 13 /* Start of processor-specific */ #define STB_HIPROC 15 /* End of processor-specific */ /* Legal values for ST_TYPE subfield of st_info (symbol type). */ #define STT_NOTYPE 0 /* Symbol type is unspecified */ #define STT_OBJECT 1 /* Symbol is a data object */ #define STT_FUNC 2 /* Symbol is a code object */ #define STT_SECTION 3 /* Symbol associated with a section */ #define STT_FILE 4 /* Symbol's name is file name */ #define STT_COMMON 5 /* Symbol is a common data object */ #define STT_TLS 6 /* Symbol is thread-local data object*/ #define STT_NUM 7 /* Number of defined types. */ #define STT_LOOS 10 /* Start of OS-specific */ #define STT_GNU_IFUNC 10 /* Symbol is indirect code object */ #define STT_HIOS 12 /* End of OS-specific */ #define STT_LOPROC 13 /* Start of processor-specific */ #define STT_HIPROC 15 /* End of processor-specific */ /* Symbol table indices are found in the hash buckets and chain table of a symbol hash table section. This special index value indicates the end of a chain, meaning no further symbols are found in that bucket. */ #define STN_UNDEF 0 /* End of a chain. */ /* How to extract and insert information held in the st_other field. */ #define ELF32_ST_VISIBILITY(o) ((o) & 0x03) /* For ELF64 the definitions are the same. */ #define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) /* Symbol visibility specification encoded in the st_other field. */ #define STV_DEFAULT 0 /* Default symbol visibility rules */ #define STV_INTERNAL 1 /* Processor specific hidden class */ #define STV_HIDDEN 2 /* Sym unavailable in other modules */ #define STV_PROTECTED 3 /* Not preemptible, not exported */ /* Relocation table entry without addend (in section of type SHT_REL). */ typedef struct { Elf32_Addr r_offset; /* Address */ Elf32_Word r_info; /* Relocation type and symbol index */ } Elf32_Rel; /* I have seen two different definitions of the Elf64_Rel and Elf64_Rela structures, so we'll leave them out until Novell (or whoever) gets their act together. */ /* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ typedef struct { Elf64_Addr r_offset; /* Address */ Elf64_Xword r_info; /* Relocation type and symbol index */ } Elf64_Rel; /* Relocation table entry with addend (in section of type SHT_RELA). */ typedef struct { Elf32_Addr r_offset; /* Address */ Elf32_Word r_info; /* Relocation type and symbol index */ Elf32_Sword r_addend; /* Addend */ } Elf32_Rela; typedef struct { Elf64_Addr r_offset; /* Address */ Elf64_Xword r_info; /* Relocation type and symbol index */ Elf64_Sxword r_addend; /* Addend */ } Elf64_Rela; /* RELR relocation table entry */ typedef Elf32_Word Elf32_Relr; typedef Elf64_Xword Elf64_Relr; /* How to extract and insert information held in the r_info field. */ #define ELF32_R_SYM(val) ((val) >> 8) #define ELF32_R_TYPE(val) ((val) & 0xff) #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) #define ELF64_R_SYM(i) ((i) >> 32) #define ELF64_R_TYPE(i) ((i) & 0xffffffff) #define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) /* Program segment header. */ typedef struct { Elf32_Word p_type; /* Segment type */ Elf32_Off p_offset; /* Segment file offset */ Elf32_Addr p_vaddr; /* Segment virtual address */ Elf32_Addr p_paddr; /* Segment physical address */ Elf32_Word p_filesz; /* Segment size in file */ Elf32_Word p_memsz; /* Segment size in memory */ Elf32_Word p_flags; /* Segment flags */ Elf32_Word p_align; /* Segment alignment */ } Elf32_Phdr; typedef struct { Elf64_Word p_type; /* Segment type */ Elf64_Word p_flags; /* Segment flags */ Elf64_Off p_offset; /* Segment file offset */ Elf64_Addr p_vaddr; /* Segment virtual address */ Elf64_Addr p_paddr; /* Segment physical address */ Elf64_Xword p_filesz; /* Segment size in file */ Elf64_Xword p_memsz; /* Segment size in memory */ Elf64_Xword p_align; /* Segment alignment */ } Elf64_Phdr; /* Special value for e_phnum. This indicates that the real number of program headers is too large to fit into e_phnum. Instead the real value is in the field sh_info of section 0. */ #define PN_XNUM 0xffff /* Legal values for p_type (segment type). */ #define PT_NULL 0 /* Program header table entry unused */ #define PT_LOAD 1 /* Loadable program segment */ #define PT_DYNAMIC 2 /* Dynamic linking information */ #define PT_INTERP 3 /* Program interpreter */ #define PT_NOTE 4 /* Auxiliary information */ #define PT_SHLIB 5 /* Reserved */ #define PT_PHDR 6 /* Entry for header table itself */ #define PT_TLS 7 /* Thread-local storage segment */ #define PT_NUM 8 /* Number of defined types */ #define PT_LOOS 0x60000000 /* Start of OS-specific */ #define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ #define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ #define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ #define PT_GNU_PROPERTY 0x6474e553 /* GNU property */ #define PT_LOSUNW 0x6ffffffa #define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ #define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ #define PT_HISUNW 0x6fffffff #define PT_HIOS 0x6fffffff /* End of OS-specific */ #define PT_LOPROC 0x70000000 /* Start of processor-specific */ #define PT_HIPROC 0x7fffffff /* End of processor-specific */ /* Legal values for p_flags (segment flags). */ #define PF_X (1 << 0) /* Segment is executable */ #define PF_W (1 << 1) /* Segment is writable */ #define PF_R (1 << 2) /* Segment is readable */ #define PF_MASKOS 0x0ff00000 /* OS-specific */ #define PF_MASKPROC 0xf0000000 /* Processor-specific */ /* Legal values for note segment descriptor types for core files. */ #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ #define NT_PRFPREG 2 /* Contains copy of fpregset struct. */ #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ #define NT_PRXREG 4 /* Contains copy of prxregset struct */ #define NT_TASKSTRUCT 4 /* Contains copy of task structure */ #define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ #define NT_AUXV 6 /* Contains copy of auxv array */ #define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ #define NT_ASRS 8 /* Contains copy of asrset struct */ #define NT_PSTATUS 10 /* Contains copy of pstatus struct */ #define NT_PSINFO 13 /* Contains copy of psinfo struct */ #define NT_PRCRED 14 /* Contains copy of prcred struct */ #define NT_UTSNAME 15 /* Contains copy of utsname struct */ #define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ #define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ #define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */ #define NT_SIGINFO 0x53494749 /* Contains copy of siginfo_t, size might increase */ #define NT_FILE 0x46494c45 /* Contains information about mapped files */ #define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */ #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_PPC_TAR 0x103 /* Target Address Register */ #define NT_PPC_PPR 0x104 /* Program Priority Register */ #define NT_PPC_DSCR 0x105 /* Data Stream Control Register */ #define NT_PPC_EBB 0x106 /* Event Based Branch Registers */ #define NT_PPC_PMU 0x107 /* Performance Monitor Registers */ #define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */ #define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */ #define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */ #define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */ #define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */ #define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */ #define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */ #define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */ #define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers. */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ #define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ #define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ #define NT_S390_TIMER 0x301 /* s390 timer register */ #define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */ #define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */ #define NT_S390_CTRS 0x304 /* s390 control registers */ #define NT_S390_PREFIX 0x305 /* s390 prefix register */ #define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */ #define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */ #define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */ #define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half. */ #define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31. */ #define NT_S390_GS_CB 0x30b /* s390 guarded storage registers. */ #define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block. */ #define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation. */ #define NT_S390_PV_CPU_DATA 0x30e /* s390 protvirt cpu dump data. */ #define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */ #define NT_ARM_TLS 0x401 /* ARM TLS register */ #define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */ #define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */ #define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */ #define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension registers */ #define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication code masks. */ #define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication address keys. */ #define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key. */ #define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* AArch64 tagged address control. */ #define NT_ARM_PAC_ENABLED_KEYS 0x40a /* AArch64 pointer authentication enabled keys. */ #define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */ #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers. */ #define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode. */ #define NT_MIPS_MSA 0x802 /* MIPS SIMD registers. */ #define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers. */ #define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status registers. */ #define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension registers. */ #define NT_LOONGARCH_LASX 0xa03 /* LoongArch Loongson Advanced SIMD Extension registers. */ #define NT_LOONGARCH_LBT 0xa04 /* LoongArch Loongson Binary Translation registers. */ /* Legal values for the note segment descriptor types for object files. */ #define NT_VERSION 1 /* Contains a version string. */ /* Dynamic section entry. */ typedef struct { Elf32_Sword d_tag; /* Dynamic entry type */ union { Elf32_Word d_val; /* Integer value */ Elf32_Addr d_ptr; /* Address value */ } d_un; } Elf32_Dyn; typedef struct { Elf64_Sxword d_tag; /* Dynamic entry type */ union { Elf64_Xword d_val; /* Integer value */ Elf64_Addr d_ptr; /* Address value */ } d_un; } Elf64_Dyn; /* Legal values for d_tag (dynamic entry type). */ #define DT_NULL 0 /* Marks end of dynamic section */ #define DT_NEEDED 1 /* Name of needed library */ #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ #define DT_PLTGOT 3 /* Processor defined value */ #define DT_HASH 4 /* Address of symbol hash table */ #define DT_STRTAB 5 /* Address of string table */ #define DT_SYMTAB 6 /* Address of symbol table */ #define DT_RELA 7 /* Address of Rela relocs */ #define DT_RELASZ 8 /* Total size of Rela relocs */ #define DT_RELAENT 9 /* Size of one Rela reloc */ #define DT_STRSZ 10 /* Size of string table */ #define DT_SYMENT 11 /* Size of one symbol table entry */ #define DT_INIT 12 /* Address of init function */ #define DT_FINI 13 /* Address of termination function */ #define DT_SONAME 14 /* Name of shared object */ #define DT_RPATH 15 /* Library search path (deprecated) */ #define DT_SYMBOLIC 16 /* Start symbol search here */ #define DT_REL 17 /* Address of Rel relocs */ #define DT_RELSZ 18 /* Total size of Rel relocs */ #define DT_RELENT 19 /* Size of one Rel reloc */ #define DT_PLTREL 20 /* Type of reloc in PLT */ #define DT_DEBUG 21 /* For debugging; unspecified */ #define DT_TEXTREL 22 /* Reloc might modify .text */ #define DT_JMPREL 23 /* Address of PLT relocs */ #define DT_BIND_NOW 24 /* Process relocations of object */ #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ #define DT_RUNPATH 29 /* Library search path */ #define DT_FLAGS 30 /* Flags for the object being loaded */ #define DT_ENCODING 32 /* Start of encoded range */ #define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ #define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ #define DT_SYMTAB_SHNDX 34 /* Address of SYMTAB_SHNDX section */ #define DT_RELRSZ 35 /* Total size of RELR relative relocations */ #define DT_RELR 36 /* Address of RELR relative relocations */ #define DT_RELRENT 37 /* Size of one RELR relative relocaction */ #define DT_NUM 38 /* Number used */ #define DT_LOOS 0x6000000d /* Start of OS-specific */ #define DT_HIOS 0x6ffff000 /* End of OS-specific */ #define DT_LOPROC 0x70000000 /* Start of processor-specific */ #define DT_HIPROC 0x7fffffff /* End of processor-specific */ #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ /* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's approach. */ #define DT_VALRNGLO 0x6ffffd00 #define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ #define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ #define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ #define DT_CHECKSUM 0x6ffffdf8 #define DT_PLTPADSZ 0x6ffffdf9 #define DT_MOVEENT 0x6ffffdfa #define DT_MOVESZ 0x6ffffdfb #define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ #define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting the following DT_* entry. */ #define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ #define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ #define DT_VALRNGHI 0x6ffffdff #define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ #define DT_VALNUM 12 /* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the Dyn.d_un.d_ptr field of the Elf*_Dyn structure. If any adjustment is made to the ELF object after it has been built these entries will need to be adjusted. */ #define DT_ADDRRNGLO 0x6ffffe00 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table. */ #define DT_TLSDESC_PLT 0x6ffffef6 #define DT_TLSDESC_GOT 0x6ffffef7 #define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ #define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ #define DT_CONFIG 0x6ffffefa /* Configuration information. */ #define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ #define DT_AUDIT 0x6ffffefc /* Object auditing. */ #define DT_PLTPAD 0x6ffffefd /* PLT padding. */ #define DT_MOVETAB 0x6ffffefe /* Move table. */ #define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ #define DT_ADDRRNGHI 0x6ffffeff #define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ #define DT_ADDRNUM 11 /* The versioning entry types. The next are defined as part of the GNU extension. */ #define DT_VERSYM 0x6ffffff0 #define DT_RELACOUNT 0x6ffffff9 #define DT_RELCOUNT 0x6ffffffa /* These were chosen by Sun. */ #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ #define DT_VERDEF 0x6ffffffc /* Address of version definition table */ #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ #define DT_VERNEED 0x6ffffffe /* Address of table with needed versions */ #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ #define DT_VERSIONTAGNUM 16 /* Sun added these machine-independent extensions in the "processor-specific" range. Be compatible. */ #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ #define DT_FILTER 0x7fffffff /* Shared object to get values from */ #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) #define DT_EXTRANUM 3 /* Values of `d_un.d_val' in the DT_FLAGS entry. */ #define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ #define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ #define DF_TEXTREL 0x00000004 /* Object contains text relocations */ #define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ #define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ /* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry in the dynamic section. */ #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ #define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ #define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ #define DF_1_TRANS 0x00000200 #define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ #define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ #define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ #define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ #define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ #define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ #define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ #define DF_1_NODIRECT 0x00020000 /* Object has no-direct binding. */ #define DF_1_IGNMULDEF 0x00040000 #define DF_1_NOKSYMS 0x00080000 #define DF_1_NOHDR 0x00100000 #define DF_1_EDITED 0x00200000 /* Object is modified after built. */ #define DF_1_NORELOC 0x00400000 #define DF_1_SYMINTPOSE 0x00800000 /* Object has individual interposers. */ #define DF_1_GLOBAUDIT 0x01000000 /* Global auditing required. */ #define DF_1_SINGLETON 0x02000000 /* Singleton symbols are used. */ #define DF_1_STUB 0x04000000 #define DF_1_PIE 0x08000000 #define DF_1_KMOD 0x10000000 #define DF_1_WEAKFILTER 0x20000000 #define DF_1_NOCOMMON 0x40000000 /* Flags for the feature selection in DT_FEATURE_1. */ #define DTF_1_PARINIT 0x00000001 #define DTF_1_CONFEXP 0x00000002 /* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ #define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ #define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not generally available. */ /* Version definition sections. */ typedef struct { Elf32_Half vd_version; /* Version revision */ Elf32_Half vd_flags; /* Version information */ Elf32_Half vd_ndx; /* Version Index */ Elf32_Half vd_cnt; /* Number of associated aux entries */ Elf32_Word vd_hash; /* Version name hash value */ Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ Elf32_Word vd_next; /* Offset in bytes to next verdef entry */ } Elf32_Verdef; typedef struct { Elf64_Half vd_version; /* Version revision */ Elf64_Half vd_flags; /* Version information */ Elf64_Half vd_ndx; /* Version Index */ Elf64_Half vd_cnt; /* Number of associated aux entries */ Elf64_Word vd_hash; /* Version name hash value */ Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ Elf64_Word vd_next; /* Offset in bytes to next verdef entry */ } Elf64_Verdef; /* Legal values for vd_version (version revision). */ #define VER_DEF_NONE 0 /* No version */ #define VER_DEF_CURRENT 1 /* Current version */ #define VER_DEF_NUM 2 /* Given version number */ /* Legal values for vd_flags (version information flags). */ #define VER_FLG_BASE 0x1 /* Version definition of file itself */ #define VER_FLG_WEAK 0x2 /* Weak version identifier. Also used by vna_flags below. */ /* Versym symbol index values. */ #define VER_NDX_LOCAL 0 /* Symbol is local. */ #define VER_NDX_GLOBAL 1 /* Symbol is global. */ #define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ #define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ /* Auxiliary version information. */ typedef struct { Elf32_Word vda_name; /* Version or dependency names */ Elf32_Word vda_next; /* Offset in bytes to next verdaux entry */ } Elf32_Verdaux; typedef struct { Elf64_Word vda_name; /* Version or dependency names */ Elf64_Word vda_next; /* Offset in bytes to next verdaux entry */ } Elf64_Verdaux; /* Version dependency section. */ typedef struct { Elf32_Half vn_version; /* Version of structure */ Elf32_Half vn_cnt; /* Number of associated aux entries */ Elf32_Word vn_file; /* Offset of filename for this dependency */ Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ Elf32_Word vn_next; /* Offset in bytes to next verneed entry */ } Elf32_Verneed; typedef struct { Elf64_Half vn_version; /* Version of structure */ Elf64_Half vn_cnt; /* Number of associated aux entries */ Elf64_Word vn_file; /* Offset of filename for this dependency */ Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ Elf64_Word vn_next; /* Offset in bytes to next verneed entry */ } Elf64_Verneed; /* Legal values for vn_version (version revision). */ #define VER_NEED_NONE 0 /* No version */ #define VER_NEED_CURRENT 1 /* Current version */ #define VER_NEED_NUM 2 /* Given version number */ /* Auxiliary needed version information. */ typedef struct { Elf32_Word vna_hash; /* Hash value of dependency name */ Elf32_Half vna_flags; /* Dependency specific information */ Elf32_Half vna_other; /* Unused */ Elf32_Word vna_name; /* Dependency name string offset */ Elf32_Word vna_next; /* Offset in bytes to next vernaux entry */ } Elf32_Vernaux; typedef struct { Elf64_Word vna_hash; /* Hash value of dependency name */ Elf64_Half vna_flags; /* Dependency specific information */ Elf64_Half vna_other; /* Unused */ Elf64_Word vna_name; /* Dependency name string offset */ Elf64_Word vna_next; /* Offset in bytes to next vernaux entry */ } Elf64_Vernaux; /* Auxiliary vector. */ /* This vector is normally only used by the program interpreter. The usual definition in an ABI supplement uses the name auxv_t. The vector is not usually defined in a standard file, but it can't hurt. We rename it to avoid conflicts. The sizes of these types are an arrangement between the exec server and the program interpreter, so we don't fully specify them here. */ typedef struct { uint32_t a_type; /* Entry type */ union { uint32_t a_val; /* Integer value */ /* We use to have pointer elements added here. We cannot do that, though, since it does not work when using 32-bit definitions on 64-bit platforms and vice versa. */ } a_un; } Elf32_auxv_t; typedef struct { uint64_t a_type; /* Entry type */ union { uint64_t a_val; /* Integer value */ /* We use to have pointer elements added here. We cannot do that, though, since it does not work when using 32-bit definitions on 64-bit platforms and vice versa. */ } a_un; } Elf64_auxv_t; /* Legal values for a_type (entry type). */ #define AT_NULL 0 /* End of vector */ #define AT_IGNORE 1 /* Entry should be ignored */ #define AT_EXECFD 2 /* File descriptor of program */ #define AT_PHDR 3 /* Program headers for program */ #define AT_PHENT 4 /* Size of program header entry */ #define AT_PHNUM 5 /* Number of program headers */ #define AT_PAGESZ 6 /* System page size */ #define AT_BASE 7 /* Base address of interpreter */ #define AT_FLAGS 8 /* Flags */ #define AT_ENTRY 9 /* Entry point of program */ #define AT_NOTELF 10 /* Program is not ELF */ #define AT_UID 11 /* Real uid */ #define AT_EUID 12 /* Effective uid */ #define AT_GID 13 /* Real gid */ #define AT_EGID 14 /* Effective gid */ #define AT_CLKTCK 17 /* Frequency of times() */ /* Some more special a_type values describing the hardware. */ #define AT_PLATFORM 15 /* String identifying platform. */ #define AT_HWCAP 16 /* Machine-dependent hints about processor capabilities. */ /* This entry gives some information about the FPU initialization performed by the kernel. */ #define AT_FPUCW 18 /* Used FPU control word. */ /* Cache block sizes. */ #define AT_DCACHEBSIZE 19 /* Data cache block size. */ #define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ #define AT_UCACHEBSIZE 21 /* Unified cache block size. */ /* A special ignored value for PPC, used by the kernel to control the interpretation of the AUXV. Must be > 16. */ #define AT_IGNOREPPC 22 /* Entry should be ignored. */ #define AT_SECURE 23 /* Boolean, was exec setuid-like? */ #define AT_BASE_PLATFORM 24 /* String identifying real platforms.*/ #define AT_RANDOM 25 /* Address of 16 random bytes. */ #define AT_HWCAP2 26 /* More machine-dependent hints about processor capabilities. */ #define AT_EXECFN 31 /* Filename of executable. */ /* Pointer to the global system page used for system calls and other nice things. */ #define AT_SYSINFO 32 #define AT_SYSINFO_EHDR 33 /* Shapes of the caches. Bits 0-3 contains associativity; bits 4-7 contains log2 of line size; mask those to get cache size. */ #define AT_L1I_CACHESHAPE 34 #define AT_L1D_CACHESHAPE 35 #define AT_L2_CACHESHAPE 36 #define AT_L3_CACHESHAPE 37 /* Shapes of the caches, with more room to describe them. *GEOMETRY are comprised of cache line size in bytes in the bottom 16 bits and the cache associativity in the next 16 bits. */ #define AT_L1I_CACHESIZE 40 #define AT_L1I_CACHEGEOMETRY 41 #define AT_L1D_CACHESIZE 42 #define AT_L1D_CACHEGEOMETRY 43 #define AT_L2_CACHESIZE 44 #define AT_L2_CACHEGEOMETRY 45 #define AT_L3_CACHESIZE 46 #define AT_L3_CACHEGEOMETRY 47 #define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery */ /* Note section contents. Each entry in the note section begins with a header of a fixed form. */ typedef struct { Elf32_Word n_namesz; /* Length of the note's name. */ Elf32_Word n_descsz; /* Length of the note's descriptor. */ Elf32_Word n_type; /* Type of the note. */ } Elf32_Nhdr; typedef struct { Elf64_Word n_namesz; /* Length of the note's name. */ Elf64_Word n_descsz; /* Length of the note's descriptor. */ Elf64_Word n_type; /* Type of the note. */ } Elf64_Nhdr; /* Known names of notes. */ /* Solaris entries in the note section have this name. */ #define ELF_NOTE_SOLARIS "SUNW Solaris" /* Note entries for GNU systems have this name. */ #define ELF_NOTE_GNU "GNU" /* Note entries for freedesktop.org have this name. */ #define ELF_NOTE_FDO "FDO" /* Defined types of notes for Solaris. */ /* Value of descriptor (one word) is desired pagesize for the binary. */ #define ELF_NOTE_PAGESIZE_HINT 1 /* Defined note types for GNU systems. */ /* ABI information. The descriptor consists of words: word 0: OS descriptor word 1: major version of the ABI word 2: minor version of the ABI word 3: subminor version of the ABI */ #define NT_GNU_ABI_TAG 1 #define ELF_NOTE_ABI NT_GNU_ABI_TAG /* Old name. */ /* Known OSes. These values can appear in word 0 of an NT_GNU_ABI_TAG note section entry. */ #define ELF_NOTE_OS_LINUX 0 #define ELF_NOTE_OS_GNU 1 #define ELF_NOTE_OS_SOLARIS2 2 #define ELF_NOTE_OS_FREEBSD 3 /* Synthetic hwcap information. The descriptor begins with two words: word 0: number of entries word 1: bitmask of enabled entries Then follow variable-length entries, one byte followed by a '\0'-terminated hwcap name string. The byte gives the bit number to test if enabled, (1U << bit) & bitmask. */ #define NT_GNU_HWCAP 2 /* Build ID bits as generated by ld --build-id. The descriptor consists of any nonzero number of bytes. */ #define NT_GNU_BUILD_ID 3 /* Version note generated by GNU gold containing a version string. */ #define NT_GNU_GOLD_VERSION 4 /* Program property. */ #define NT_GNU_PROPERTY_TYPE_0 5 /* Packaging metadata as defined on https://systemd.io/COREDUMP_PACKAGE_METADATA/ */ #define NT_FDO_PACKAGING_METADATA 0xcafe1a7e /* Note section name of program property. */ #define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property" /* Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0). */ /* Stack size. */ #define GNU_PROPERTY_STACK_SIZE 1 /* No copy relocation on protected data symbol. */ #define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2 /* A 4-byte unsigned integer property: A bit is set if it is set in all relocatable inputs. */ #define GNU_PROPERTY_UINT32_AND_LO 0xb0000000 #define GNU_PROPERTY_UINT32_AND_HI 0xb0007fff /* A 4-byte unsigned integer property: A bit is set if it is set in any relocatable inputs. */ #define GNU_PROPERTY_UINT32_OR_LO 0xb0008000 #define GNU_PROPERTY_UINT32_OR_HI 0xb000ffff /* The needed properties by the object file. */ #define GNU_PROPERTY_1_NEEDED GNU_PROPERTY_UINT32_OR_LO /* Set if the object file requires canonical function pointers and cannot be used with copy relocation. */ #define GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS (1U << 0) /* Processor-specific semantics, lo */ #define GNU_PROPERTY_LOPROC 0xc0000000 /* Processor-specific semantics, hi */ #define GNU_PROPERTY_HIPROC 0xdfffffff /* Application-specific semantics, lo */ #define GNU_PROPERTY_LOUSER 0xe0000000 /* Application-specific semantics, hi */ #define GNU_PROPERTY_HIUSER 0xffffffff /* AArch64 specific GNU properties. */ #define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) #define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1) /* The x86 instruction sets indicated by the corresponding bits are used in program. Their support in the hardware is optional. */ #define GNU_PROPERTY_X86_ISA_1_USED 0xc0010002 /* The x86 instruction sets indicated by the corresponding bits are used in program and they must be supported by the hardware. */ #define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0008002 /* X86 processor-specific features used in program. */ #define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 /* GNU_PROPERTY_X86_ISA_1_BASELINE: CMOV, CX8 (cmpxchg8b), FPU (fld), MMX, OSFXSR (fxsave), SCE (syscall), SSE and SSE2. */ #define GNU_PROPERTY_X86_ISA_1_BASELINE (1U << 0) /* GNU_PROPERTY_X86_ISA_1_V2: GNU_PROPERTY_X86_ISA_1_BASELINE, CMPXCHG16B (cmpxchg16b), LAHF-SAHF (lahf), POPCNT (popcnt), SSE3, SSSE3, SSE4.1 and SSE4.2. */ #define GNU_PROPERTY_X86_ISA_1_V2 (1U << 1) /* GNU_PROPERTY_X86_ISA_1_V3: GNU_PROPERTY_X86_ISA_1_V2, AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE. */ #define GNU_PROPERTY_X86_ISA_1_V3 (1U << 2) /* GNU_PROPERTY_X86_ISA_1_V4: GNU_PROPERTY_X86_ISA_1_V3, AVX512F, AVX512BW, AVX512CD, AVX512DQ and AVX512VL. */ #define GNU_PROPERTY_X86_ISA_1_V4 (1U << 3) /* This indicates that all executable sections are compatible with IBT. */ #define GNU_PROPERTY_X86_FEATURE_1_IBT (1U << 0) /* This indicates that all executable sections are compatible with SHSTK. */ #define GNU_PROPERTY_X86_FEATURE_1_SHSTK (1U << 1) /* Move records. */ typedef struct { Elf32_Xword m_value; /* Symbol value. */ Elf32_Word m_info; /* Size and index. */ Elf32_Word m_poffset; /* Symbol offset. */ Elf32_Half m_repeat; /* Repeat count. */ Elf32_Half m_stride; /* Stride info. */ } Elf32_Move; typedef struct { Elf64_Xword m_value; /* Symbol value. */ Elf64_Xword m_info; /* Size and index. */ Elf64_Xword m_poffset; /* Symbol offset. */ Elf64_Half m_repeat; /* Repeat count. */ Elf64_Half m_stride; /* Stride info. */ } Elf64_Move; /* Macro to construct move records. */ #define ELF32_M_SYM(info) ((info) >> 8) #define ELF32_M_SIZE(info) ((unsigned char) (info)) #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) #define ELF64_M_SYM(info) ELF32_M_SYM (info) #define ELF64_M_SIZE(info) ELF32_M_SIZE (info) #define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) /* Motorola 68k specific definitions. */ /* Values for Elf32_Ehdr.e_flags. */ #define EF_CPU32 0x00810000 /* m68k relocs. */ #define R_68K_NONE 0 /* No reloc */ #define R_68K_32 1 /* Direct 32 bit */ #define R_68K_16 2 /* Direct 16 bit */ #define R_68K_8 3 /* Direct 8 bit */ #define R_68K_PC32 4 /* PC relative 32 bit */ #define R_68K_PC16 5 /* PC relative 16 bit */ #define R_68K_PC8 6 /* PC relative 8 bit */ #define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ #define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ #define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ #define R_68K_GOT32O 10 /* 32 bit GOT offset */ #define R_68K_GOT16O 11 /* 16 bit GOT offset */ #define R_68K_GOT8O 12 /* 8 bit GOT offset */ #define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ #define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ #define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ #define R_68K_PLT32O 16 /* 32 bit PLT offset */ #define R_68K_PLT16O 17 /* 16 bit PLT offset */ #define R_68K_PLT8O 18 /* 8 bit PLT offset */ #define R_68K_COPY 19 /* Copy symbol at runtime */ #define R_68K_GLOB_DAT 20 /* Create GOT entry */ #define R_68K_JMP_SLOT 21 /* Create PLT entry */ #define R_68K_RELATIVE 22 /* Adjust by program base */ #define R_68K_TLS_GD32 25 /* 32 bit GOT offset for GD */ #define R_68K_TLS_GD16 26 /* 16 bit GOT offset for GD */ #define R_68K_TLS_GD8 27 /* 8 bit GOT offset for GD */ #define R_68K_TLS_LDM32 28 /* 32 bit GOT offset for LDM */ #define R_68K_TLS_LDM16 29 /* 16 bit GOT offset for LDM */ #define R_68K_TLS_LDM8 30 /* 8 bit GOT offset for LDM */ #define R_68K_TLS_LDO32 31 /* 32 bit module-relative offset */ #define R_68K_TLS_LDO16 32 /* 16 bit module-relative offset */ #define R_68K_TLS_LDO8 33 /* 8 bit module-relative offset */ #define R_68K_TLS_IE32 34 /* 32 bit GOT offset for IE */ #define R_68K_TLS_IE16 35 /* 16 bit GOT offset for IE */ #define R_68K_TLS_IE8 36 /* 8 bit GOT offset for IE */ #define R_68K_TLS_LE32 37 /* 32 bit offset relative to static TLS block */ #define R_68K_TLS_LE16 38 /* 16 bit offset relative to static TLS block */ #define R_68K_TLS_LE8 39 /* 8 bit offset relative to static TLS block */ #define R_68K_TLS_DTPMOD32 40 /* 32 bit module number */ #define R_68K_TLS_DTPREL32 41 /* 32 bit module-relative offset */ #define R_68K_TLS_TPREL32 42 /* 32 bit TP-relative offset */ /* Keep this the last entry. */ #define R_68K_NUM 43 /* Intel 80386 specific definitions. */ /* i386 relocs. */ #define R_386_NONE 0 /* No reloc */ #define R_386_32 1 /* Direct 32 bit */ #define R_386_PC32 2 /* PC relative 32 bit */ #define R_386_GOT32 3 /* 32 bit GOT entry */ #define R_386_PLT32 4 /* 32 bit PLT address */ #define R_386_COPY 5 /* Copy symbol at runtime */ #define R_386_GLOB_DAT 6 /* Create GOT entry */ #define R_386_JMP_SLOT 7 /* Create PLT entry */ #define R_386_RELATIVE 8 /* Adjust by program base */ #define R_386_GOTOFF 9 /* 32 bit offset to GOT */ #define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ #define R_386_32PLT 11 #define R_386_TLS_TPOFF 14 /* Offset in static TLS block */ #define R_386_TLS_IE 15 /* Address of GOT entry for static TLS block offset */ #define R_386_TLS_GOTIE 16 /* GOT entry for static TLS block offset */ #define R_386_TLS_LE 17 /* Offset relative to static TLS block */ #define R_386_TLS_GD 18 /* Direct 32 bit for GNU version of general dynamic thread local data */ #define R_386_TLS_LDM 19 /* Direct 32 bit for GNU version of local dynamic thread local data in LE code */ #define R_386_16 20 #define R_386_PC16 21 #define R_386_8 22 #define R_386_PC8 23 #define R_386_TLS_GD_32 24 /* Direct 32 bit for general dynamic thread local data */ #define R_386_TLS_GD_PUSH 25 /* Tag for pushl in GD TLS code */ #define R_386_TLS_GD_CALL 26 /* Relocation for call to __tls_get_addr() */ #define R_386_TLS_GD_POP 27 /* Tag for popl in GD TLS code */ #define R_386_TLS_LDM_32 28 /* Direct 32 bit for local dynamic thread local data in LE code */ #define R_386_TLS_LDM_PUSH 29 /* Tag for pushl in LDM TLS code */ #define R_386_TLS_LDM_CALL 30 /* Relocation for call to __tls_get_addr() in LDM code */ #define R_386_TLS_LDM_POP 31 /* Tag for popl in LDM TLS code */ #define R_386_TLS_LDO_32 32 /* Offset relative to TLS block */ #define R_386_TLS_IE_32 33 /* GOT entry for negated static TLS block offset */ #define R_386_TLS_LE_32 34 /* Negated offset relative to static TLS block */ #define R_386_TLS_DTPMOD32 35 /* ID of module containing symbol */ #define R_386_TLS_DTPOFF32 36 /* Offset in TLS block */ #define R_386_TLS_TPOFF32 37 /* Negated offset in static TLS block */ #define R_386_SIZE32 38 /* 32-bit symbol size */ #define R_386_TLS_GOTDESC 39 /* GOT offset for TLS descriptor. */ #define R_386_TLS_DESC_CALL 40 /* Marker of call through TLS descriptor for relaxation. */ #define R_386_TLS_DESC 41 /* TLS descriptor containing pointer to code and to argument, returning the TLS offset for the symbol. */ #define R_386_IRELATIVE 42 /* Adjust indirectly by program base */ #define R_386_GOT32X 43 /* Load from 32 bit GOT entry, relaxable. */ /* Keep this the last entry. */ #define R_386_NUM 44 /* SUN SPARC specific definitions. */ /* Legal values for ST_TYPE subfield of st_info (symbol type). */ #define STT_SPARC_REGISTER 13 /* Global register reserved to app. */ /* Values for Elf64_Ehdr.e_flags. */ #define EF_SPARCV9_MM 3 #define EF_SPARCV9_TSO 0 #define EF_SPARCV9_PSO 1 #define EF_SPARCV9_RMO 2 #define EF_SPARC_LEDATA 0x800000 /* little endian data */ #define EF_SPARC_EXT_MASK 0xFFFF00 #define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ #define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ #define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ #define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ /* SPARC relocs. */ #define R_SPARC_NONE 0 /* No reloc */ #define R_SPARC_8 1 /* Direct 8 bit */ #define R_SPARC_16 2 /* Direct 16 bit */ #define R_SPARC_32 3 /* Direct 32 bit */ #define R_SPARC_DISP8 4 /* PC relative 8 bit */ #define R_SPARC_DISP16 5 /* PC relative 16 bit */ #define R_SPARC_DISP32 6 /* PC relative 32 bit */ #define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ #define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ #define R_SPARC_HI22 9 /* High 22 bit */ #define R_SPARC_22 10 /* Direct 22 bit */ #define R_SPARC_13 11 /* Direct 13 bit */ #define R_SPARC_LO10 12 /* Truncated 10 bit */ #define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ #define R_SPARC_GOT13 14 /* 13 bit GOT entry */ #define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ #define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ #define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ #define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ #define R_SPARC_COPY 19 /* Copy symbol at runtime */ #define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ #define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ #define R_SPARC_RELATIVE 22 /* Adjust by program base */ #define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ /* Additional Sparc64 relocs. */ #define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ #define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ #define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ #define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ #define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ #define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ #define R_SPARC_10 30 /* Direct 10 bit */ #define R_SPARC_11 31 /* Direct 11 bit */ #define R_SPARC_64 32 /* Direct 64 bit */ #define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */ #define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ #define R_SPARC_HM10 35 /* High middle 10 bits of ... */ #define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ #define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ #define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ #define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ #define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ #define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ #define R_SPARC_GLOB_JMP 42 /* was part of v9 ABI but was removed */ #define R_SPARC_7 43 /* Direct 7 bit */ #define R_SPARC_5 44 /* Direct 5 bit */ #define R_SPARC_6 45 /* Direct 6 bit */ #define R_SPARC_DISP64 46 /* PC relative 64 bit */ #define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ #define R_SPARC_HIX22 48 /* High 22 bit complemented */ #define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ #define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ #define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ #define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ #define R_SPARC_REGISTER 53 /* Global register usage */ #define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ #define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ #define R_SPARC_TLS_GD_HI22 56 #define R_SPARC_TLS_GD_LO10 57 #define R_SPARC_TLS_GD_ADD 58 #define R_SPARC_TLS_GD_CALL 59 #define R_SPARC_TLS_LDM_HI22 60 #define R_SPARC_TLS_LDM_LO10 61 #define R_SPARC_TLS_LDM_ADD 62 #define R_SPARC_TLS_LDM_CALL 63 #define R_SPARC_TLS_LDO_HIX22 64 #define R_SPARC_TLS_LDO_LOX10 65 #define R_SPARC_TLS_LDO_ADD 66 #define R_SPARC_TLS_IE_HI22 67 #define R_SPARC_TLS_IE_LO10 68 #define R_SPARC_TLS_IE_LD 69 #define R_SPARC_TLS_IE_LDX 70 #define R_SPARC_TLS_IE_ADD 71 #define R_SPARC_TLS_LE_HIX22 72 #define R_SPARC_TLS_LE_LOX10 73 #define R_SPARC_TLS_DTPMOD32 74 #define R_SPARC_TLS_DTPMOD64 75 #define R_SPARC_TLS_DTPOFF32 76 #define R_SPARC_TLS_DTPOFF64 77 #define R_SPARC_TLS_TPOFF32 78 #define R_SPARC_TLS_TPOFF64 79 #define R_SPARC_GOTDATA_HIX22 80 #define R_SPARC_GOTDATA_LOX10 81 #define R_SPARC_GOTDATA_OP_HIX22 82 #define R_SPARC_GOTDATA_OP_LOX10 83 #define R_SPARC_GOTDATA_OP 84 #define R_SPARC_H34 85 #define R_SPARC_SIZE32 86 #define R_SPARC_SIZE64 87 #define R_SPARC_WDISP10 88 #define R_SPARC_JMP_IREL 248 #define R_SPARC_IRELATIVE 249 #define R_SPARC_GNU_VTINHERIT 250 #define R_SPARC_GNU_VTENTRY 251 #define R_SPARC_REV32 252 /* Keep this the last entry. */ #define R_SPARC_NUM 253 /* For Sparc64, legal values for d_tag of Elf64_Dyn. */ #define DT_SPARC_REGISTER 0x70000001 #define DT_SPARC_NUM 2 /* MIPS R3000 specific definitions. */ /* Legal values for e_flags field of Elf32_Ehdr. */ #define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used. */ #define EF_MIPS_PIC 2 /* Contains PIC code. */ #define EF_MIPS_CPIC 4 /* Uses PIC calling sequence. */ #define EF_MIPS_XGOT 8 #define EF_MIPS_64BIT_WHIRL 16 #define EF_MIPS_ABI2 32 #define EF_MIPS_ABI_ON32 64 #define EF_MIPS_FP64 512 /* Uses FP64 (12 callee-saved). */ #define EF_MIPS_NAN2008 1024 /* Uses IEEE 754-2008 NaN encoding. */ #define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level. */ /* Legal values for MIPS architecture level. */ #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ #define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */ #define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */ #define EF_MIPS_ARCH_32R2 0x70000000 /* MIPS32r2 code. */ #define EF_MIPS_ARCH_64R2 0x80000000 /* MIPS64r2 code. */ /* The following are unofficial names and should not be used. */ #define E_MIPS_ARCH_1 EF_MIPS_ARCH_1 #define E_MIPS_ARCH_2 EF_MIPS_ARCH_2 #define E_MIPS_ARCH_3 EF_MIPS_ARCH_3 #define E_MIPS_ARCH_4 EF_MIPS_ARCH_4 #define E_MIPS_ARCH_5 EF_MIPS_ARCH_5 #define E_MIPS_ARCH_32 EF_MIPS_ARCH_32 #define E_MIPS_ARCH_64 EF_MIPS_ARCH_64 /* Special section indices. */ #define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols. */ #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols. */ #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols. */ /* Legal values for sh_type field of Elf32_Shdr. */ #define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link. */ #define SHT_MIPS_MSYM 0x70000001 #define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols. */ #define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes. */ #define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ #define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging info. */ #define SHT_MIPS_REGINFO 0x70000006 /* Register usage information. */ #define SHT_MIPS_PACKAGE 0x70000007 #define SHT_MIPS_PACKSYM 0x70000008 #define SHT_MIPS_RELD 0x70000009 #define SHT_MIPS_IFACE 0x7000000b #define SHT_MIPS_CONTENT 0x7000000c #define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ #define SHT_MIPS_SHDR 0x70000010 #define SHT_MIPS_FDESC 0x70000011 #define SHT_MIPS_EXTSYM 0x70000012 #define SHT_MIPS_DENSE 0x70000013 #define SHT_MIPS_PDESC 0x70000014 #define SHT_MIPS_LOCSYM 0x70000015 #define SHT_MIPS_AUXSYM 0x70000016 #define SHT_MIPS_OPTSYM 0x70000017 #define SHT_MIPS_LOCSTR 0x70000018 #define SHT_MIPS_LINE 0x70000019 #define SHT_MIPS_RFDESC 0x7000001a #define SHT_MIPS_DELTASYM 0x7000001b #define SHT_MIPS_DELTAINST 0x7000001c #define SHT_MIPS_DELTACLASS 0x7000001d #define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ #define SHT_MIPS_DELTADECL 0x7000001f #define SHT_MIPS_SYMBOL_LIB 0x70000020 #define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ #define SHT_MIPS_TRANSLATE 0x70000022 #define SHT_MIPS_PIXIE 0x70000023 #define SHT_MIPS_XLATE 0x70000024 #define SHT_MIPS_XLATE_DEBUG 0x70000025 #define SHT_MIPS_WHIRL 0x70000026 #define SHT_MIPS_EH_REGION 0x70000027 #define SHT_MIPS_XLATE_OLD 0x70000028 #define SHT_MIPS_PDR_EXCEPTION 0x70000029 #define SHT_MIPS_XHASH 0x7000002b /* Legal values for sh_flags field of Elf32_Shdr. */ #define SHF_MIPS_GPREL 0x10000000 /* Must be in global data area. */ #define SHF_MIPS_MERGE 0x20000000 #define SHF_MIPS_ADDR 0x40000000 #define SHF_MIPS_STRINGS 0x80000000 #define SHF_MIPS_NOSTRIP 0x08000000 #define SHF_MIPS_LOCAL 0x04000000 #define SHF_MIPS_NAMES 0x02000000 #define SHF_MIPS_NODUPE 0x01000000 /* Symbol tables. */ /* MIPS specific values for `st_other'. */ #define STO_MIPS_DEFAULT 0x0 #define STO_MIPS_INTERNAL 0x1 #define STO_MIPS_HIDDEN 0x2 #define STO_MIPS_PROTECTED 0x3 #define STO_MIPS_PLT 0x8 #define STO_MIPS_SC_ALIGN_UNUSED 0xff /* MIPS specific values for `st_info'. */ #define STB_MIPS_SPLIT_COMMON 13 /* Entries found in sections of type SHT_MIPS_GPTAB. */ typedef union { struct { Elf32_Word gt_current_g_value; /* -G value used for compilation. */ Elf32_Word gt_unused; /* Not used. */ } gt_header; /* First entry in section. */ struct { Elf32_Word gt_g_value; /* If this value were used for -G. */ Elf32_Word gt_bytes; /* This many bytes would be used. */ } gt_entry; /* Subsequent entries in section. */ } Elf32_gptab; /* Entry found in sections of type SHT_MIPS_REGINFO. */ typedef struct { Elf32_Word ri_gprmask; /* General registers used. */ Elf32_Word ri_cprmask[4]; /* Coprocessor registers used. */ Elf32_Sword ri_gp_value; /* $gp register value. */ } Elf32_RegInfo; /* Entries found in sections of type SHT_MIPS_OPTIONS. */ typedef struct { unsigned char kind; /* Determines interpretation of the variable part of descriptor. */ unsigned char size; /* Size of descriptor, including header. */ Elf32_Section section; /* Section header index of section affected, 0 for global options. */ Elf32_Word info; /* Kind-specific information. */ } Elf_Options; /* Values for `kind' field in Elf_Options. */ #define ODK_NULL 0 /* Undefined. */ #define ODK_REGINFO 1 /* Register usage information. */ #define ODK_EXCEPTIONS 2 /* Exception processing options. */ #define ODK_PAD 3 /* Section padding options. */ #define ODK_HWPATCH 4 /* Hardware workarounds performed */ #define ODK_FILL 5 /* record the fill value used by the linker. */ #define ODK_TAGS 6 /* reserve space for desktop tools to write. */ #define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ #define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ /* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ #define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ #define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ #define OEX_PAGE0 0x10000 /* page zero must be mapped. */ #define OEX_SMM 0x20000 /* Force sequential memory mode? */ #define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ #define OEX_PRECISEFP OEX_FPDBUG #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ #define OEX_FPU_INVAL 0x10 #define OEX_FPU_DIV0 0x08 #define OEX_FPU_OFLO 0x04 #define OEX_FPU_UFLO 0x02 #define OEX_FPU_INEX 0x01 /* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ #define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ #define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ #define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ #define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ #define OPAD_PREFIX 0x1 #define OPAD_POSTFIX 0x2 #define OPAD_SYMBOL 0x4 /* Entry found in `.options' section. */ typedef struct { Elf32_Word hwp_flags1; /* Extra flags. */ Elf32_Word hwp_flags2; /* Extra flags. */ } Elf_Options_Hw; /* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ #define OHWA0_R4KEOP_CHECKED 0x00000001 #define OHWA1_R4KEOP_CLEAN 0x00000002 /* MIPS relocs. */ #define R_MIPS_NONE 0 /* No reloc */ #define R_MIPS_16 1 /* Direct 16 bit */ #define R_MIPS_32 2 /* Direct 32 bit */ #define R_MIPS_REL32 3 /* PC relative 32 bit */ #define R_MIPS_26 4 /* Direct 26 bit shifted */ #define R_MIPS_HI16 5 /* High 16 bit */ #define R_MIPS_LO16 6 /* Low 16 bit */ #define R_MIPS_GPREL16 7 /* GP relative 16 bit */ #define R_MIPS_LITERAL 8 /* 16 bit literal entry */ #define R_MIPS_GOT16 9 /* 16 bit GOT entry */ #define R_MIPS_PC16 10 /* PC relative 16 bit */ #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ #define R_MIPS_GPREL32 12 /* GP relative 32 bit */ #define R_MIPS_SHIFT5 16 #define R_MIPS_SHIFT6 17 #define R_MIPS_64 18 #define R_MIPS_GOT_DISP 19 #define R_MIPS_GOT_PAGE 20 #define R_MIPS_GOT_OFST 21 #define R_MIPS_GOT_HI16 22 #define R_MIPS_GOT_LO16 23 #define R_MIPS_SUB 24 #define R_MIPS_INSERT_A 25 #define R_MIPS_INSERT_B 26 #define R_MIPS_DELETE 27 #define R_MIPS_HIGHER 28 #define R_MIPS_HIGHEST 29 #define R_MIPS_CALL_HI16 30 #define R_MIPS_CALL_LO16 31 #define R_MIPS_SCN_DISP 32 #define R_MIPS_REL16 33 #define R_MIPS_ADD_IMMEDIATE 34 #define R_MIPS_PJUMP 35 #define R_MIPS_RELGOT 36 #define R_MIPS_JALR 37 #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ #define R_MIPS_GLOB_DAT 51 #define R_MIPS_COPY 126 #define R_MIPS_JUMP_SLOT 127 /* Keep this the last entry. */ #define R_MIPS_NUM 128 /* Legal values for p_type field of Elf32_Phdr. */ #define PT_MIPS_REGINFO 0x70000000 /* Register usage information. */ #define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ #define PT_MIPS_OPTIONS 0x70000002 #define PT_MIPS_ABIFLAGS 0x70000003 /* FP mode requirement. */ /* Special program header types. */ #define PF_MIPS_LOCAL 0x10000000 /* Legal values for d_tag field of Elf32_Dyn. */ #define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ #define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ #define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ #define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ #define DT_MIPS_FLAGS 0x70000005 /* Flags */ #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ #define DT_MIPS_MSYM 0x70000007 #define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ #define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ #define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ #define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ #define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ #define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ #define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ #define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in DT_MIPS_DELTA_CLASS. */ #define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in DT_MIPS_DELTA_INSTANCE. */ #define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ #define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in DT_MIPS_DELTA_RELOC. */ #define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta relocations refer to. */ #define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in DT_MIPS_DELTA_SYM. */ #define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the class declaration. */ #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ #define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ #define DT_MIPS_PIXIE_INIT 0x70000023 #define DT_MIPS_SYMBOL_LIB 0x70000024 #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 #define DT_MIPS_LOCAL_GOTIDX 0x70000026 #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 #define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ #define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ #define DT_MIPS_DYNSTR_ALIGN 0x7000002b #define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve function stored in GOT. */ #define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added by rld on dlopen() calls. */ #define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ #define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ #define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ /* The address of .got.plt in an executable using the new non-PIC ABI. */ #define DT_MIPS_PLTGOT 0x70000032 /* The base of the PLT in an executable using the new non-PIC ABI if that PLT is writable. For a non-writable PLT, this is omitted or has a zero value. */ #define DT_MIPS_RWPLT 0x70000034 /* An alternative description of the classic MIPS RLD_MAP that is usable in a PIE as it stores a relative offset from the address of the tag rather than an absolute address. */ #define DT_MIPS_RLD_MAP_REL 0x70000035 /* GNU-style hash table with xlat. */ #define DT_MIPS_XHASH 0x70000036 #define DT_MIPS_NUM 0x37 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ #define RHF_NONE 0 /* No flags */ #define RHF_QUICKSTART (1 << 0) /* Use quickstart */ #define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ #define RHF_NO_MOVE (1 << 3) #define RHF_SGI_ONLY (1 << 4) #define RHF_GUARANTEE_INIT (1 << 5) #define RHF_DELTA_C_PLUS_PLUS (1 << 6) #define RHF_GUARANTEE_START_INIT (1 << 7) #define RHF_PIXIE (1 << 8) #define RHF_DEFAULT_DELAY_LOAD (1 << 9) #define RHF_REQUICKSTART (1 << 10) #define RHF_REQUICKSTARTED (1 << 11) #define RHF_CORD (1 << 12) #define RHF_NO_UNRES_UNDEF (1 << 13) #define RHF_RLD_ORDER_SAFE (1 << 14) /* Entries found in sections of type SHT_MIPS_LIBLIST. */ typedef struct { Elf32_Word l_name; /* Name (string table index) */ Elf32_Word l_time_stamp; /* Timestamp */ Elf32_Word l_checksum; /* Checksum */ Elf32_Word l_version; /* Interface version */ Elf32_Word l_flags; /* Flags */ } Elf32_Lib; typedef struct { Elf64_Word l_name; /* Name (string table index) */ Elf64_Word l_time_stamp; /* Timestamp */ Elf64_Word l_checksum; /* Checksum */ Elf64_Word l_version; /* Interface version */ Elf64_Word l_flags; /* Flags */ } Elf64_Lib; /* Legal values for l_flags. */ #define LL_NONE 0 #define LL_EXACT_MATCH (1 << 0) /* Require exact match */ #define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ #define LL_REQUIRE_MINOR (1 << 2) #define LL_EXPORTS (1 << 3) #define LL_DELAY_LOAD (1 << 4) #define LL_DELTA (1 << 5) /* Entries found in sections of type SHT_MIPS_CONFLICT. */ typedef Elf32_Addr Elf32_Conflict; typedef struct { /* Version of flags structure. */ Elf32_Half version; /* The level of the ISA: 1-5, 32, 64. */ unsigned char isa_level; /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */ unsigned char isa_rev; /* The size of general purpose registers. */ unsigned char gpr_size; /* The size of co-processor 1 registers. */ unsigned char cpr1_size; /* The size of co-processor 2 registers. */ unsigned char cpr2_size; /* The floating-point ABI. */ unsigned char fp_abi; /* Processor-specific extension. */ Elf32_Word isa_ext; /* Mask of ASEs used. */ Elf32_Word ases; /* Mask of general flags. */ Elf32_Word flags1; Elf32_Word flags2; } Elf_MIPS_ABIFlags_v0; /* Values for the register size bytes of an abi flags structure. */ #define MIPS_AFL_REG_NONE 0x00 /* No registers. */ #define MIPS_AFL_REG_32 0x01 /* 32-bit registers. */ #define MIPS_AFL_REG_64 0x02 /* 64-bit registers. */ #define MIPS_AFL_REG_128 0x03 /* 128-bit registers. */ /* Masks for the ases word of an ABI flags structure. */ #define MIPS_AFL_ASE_DSP 0x00000001 /* DSP ASE. */ #define MIPS_AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */ #define MIPS_AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */ #define MIPS_AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */ #define MIPS_AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */ #define MIPS_AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */ #define MIPS_AFL_ASE_MT 0x00000040 /* MT ASE. */ #define MIPS_AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */ #define MIPS_AFL_ASE_VIRT 0x00000100 /* VZ ASE. */ #define MIPS_AFL_ASE_MSA 0x00000200 /* MSA ASE. */ #define MIPS_AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */ #define MIPS_AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */ #define MIPS_AFL_ASE_XPA 0x00001000 /* XPA ASE. */ #define MIPS_AFL_ASE_MASK 0x00001fff /* All ASEs. */ /* Values for the isa_ext word of an ABI flags structure. */ #define MIPS_AFL_EXT_XLR 1 /* RMI Xlr instruction. */ #define MIPS_AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */ #define MIPS_AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */ #define MIPS_AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */ #define MIPS_AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */ #define MIPS_AFL_EXT_5900 6 /* MIPS R5900 instruction. */ #define MIPS_AFL_EXT_4650 7 /* MIPS R4650 instruction. */ #define MIPS_AFL_EXT_4010 8 /* LSI R4010 instruction. */ #define MIPS_AFL_EXT_4100 9 /* NEC VR4100 instruction. */ #define MIPS_AFL_EXT_3900 10 /* Toshiba R3900 instruction. */ #define MIPS_AFL_EXT_10000 11 /* MIPS R10000 instruction. */ #define MIPS_AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */ #define MIPS_AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */ #define MIPS_AFL_EXT_4120 14 /* NEC VR4120 instruction. */ #define MIPS_AFL_EXT_5400 15 /* NEC VR5400 instruction. */ #define MIPS_AFL_EXT_5500 16 /* NEC VR5500 instruction. */ #define MIPS_AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */ #define MIPS_AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */ /* Masks for the flags1 word of an ABI flags structure. */ #define MIPS_AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */ /* Object attribute values. */ enum { /* Not tagged or not using any ABIs affected by the differences. */ Val_GNU_MIPS_ABI_FP_ANY = 0, /* Using hard-float -mdouble-float. */ Val_GNU_MIPS_ABI_FP_DOUBLE = 1, /* Using hard-float -msingle-float. */ Val_GNU_MIPS_ABI_FP_SINGLE = 2, /* Using soft-float. */ Val_GNU_MIPS_ABI_FP_SOFT = 3, /* Using -mips32r2 -mfp64. */ Val_GNU_MIPS_ABI_FP_OLD_64 = 4, /* Using -mfpxx. */ Val_GNU_MIPS_ABI_FP_XX = 5, /* Using -mips32r2 -mfp64. */ Val_GNU_MIPS_ABI_FP_64 = 6, /* Using -mips32r2 -mfp64 -mno-odd-spreg. */ Val_GNU_MIPS_ABI_FP_64A = 7, /* Maximum allocated FP ABI value. */ Val_GNU_MIPS_ABI_FP_MAX = 7 }; /* HPPA specific definitions. */ /* Legal values for e_flags field of Elf32_Ehdr. */ #define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */ #define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */ #define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */ #define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */ #define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch prediction. */ #define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */ #define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */ /* Defined values for `e_flags & EF_PARISC_ARCH' are: */ #define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */ #define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ #define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ /* Additional section indices. */ #define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tentatively declared symbols in ANSI C. */ #define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */ /* Legal values for sh_type field of Elf32_Shdr. */ #define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */ #define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */ #define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */ /* Legal values for sh_flags field of Elf32_Shdr. */ #define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ #define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */ #define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */ /* Legal values for ST_TYPE subfield of st_info (symbol type). */ #define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ #define STT_HP_OPAQUE (STT_LOOS + 0x1) #define STT_HP_STUB (STT_LOOS + 0x2) /* HPPA relocs. */ #define R_PARISC_NONE 0 /* No reloc. */ #define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ #define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ #define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ #define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */ #define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */ #define R_PARISC_PCREL32 9 /* 32-bit rel. address. */ #define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */ #define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */ #define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */ #define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */ #define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */ #define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */ #define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */ #define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */ #define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */ #define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */ #define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */ #define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */ #define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */ #define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */ #define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */ #define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */ #define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */ #define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */ #define R_PARISC_FPTR64 64 /* 64 bits function address. */ #define R_PARISC_PLABEL32 65 /* 32 bits function address. */ #define R_PARISC_PLABEL21L 66 /* Left 21 bits of fdesc address. */ #define R_PARISC_PLABEL14R 70 /* Right 14 bits of fdesc address. */ #define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */ #define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */ #define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */ #define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */ #define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */ #define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */ #define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */ #define R_PARISC_DIR64 80 /* 64 bits of eff. address. */ #define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */ #define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */ #define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */ #define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */ #define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */ #define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */ #define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */ #define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */ #define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */ #define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */ #define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */ #define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */ #define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */ #define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */ #define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */ #define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */ #define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */ #define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */ #define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */ #define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */ #define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */ #define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */ #define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */ #define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */ #define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */ #define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */ #define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */ #define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */ #define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */ #define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */ #define R_PARISC_LORESERVE 128 #define R_PARISC_COPY 128 /* Copy relocation. */ #define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */ #define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */ #define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */ #define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */ #define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */ #define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */ #define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/ #define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */ #define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */ #define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */ #define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */ #define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */ #define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */ #define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */ #define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */ #define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/ #define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/ #define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */ #define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */ #define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */ #define R_PARISC_GNU_VTENTRY 232 #define R_PARISC_GNU_VTINHERIT 233 #define R_PARISC_TLS_GD21L 234 /* GD 21-bit left. */ #define R_PARISC_TLS_GD14R 235 /* GD 14-bit right. */ #define R_PARISC_TLS_GDCALL 236 /* GD call to __t_g_a. */ #define R_PARISC_TLS_LDM21L 237 /* LD module 21-bit left. */ #define R_PARISC_TLS_LDM14R 238 /* LD module 14-bit right. */ #define R_PARISC_TLS_LDMCALL 239 /* LD module call to __t_g_a. */ #define R_PARISC_TLS_LDO21L 240 /* LD offset 21-bit left. */ #define R_PARISC_TLS_LDO14R 241 /* LD offset 14-bit right. */ #define R_PARISC_TLS_DTPMOD32 242 /* DTP module 32-bit. */ #define R_PARISC_TLS_DTPMOD64 243 /* DTP module 64-bit. */ #define R_PARISC_TLS_DTPOFF32 244 /* DTP offset 32-bit. */ #define R_PARISC_TLS_DTPOFF64 245 /* DTP offset 32-bit. */ #define R_PARISC_TLS_LE21L R_PARISC_TPREL21L #define R_PARISC_TLS_LE14R R_PARISC_TPREL14R #define R_PARISC_TLS_IE21L R_PARISC_LTOFF_TP21L #define R_PARISC_TLS_IE14R R_PARISC_LTOFF_TP14R #define R_PARISC_TLS_TPREL32 R_PARISC_TPREL32 #define R_PARISC_TLS_TPREL64 R_PARISC_TPREL64 #define R_PARISC_HIRESERVE 255 /* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ #define PT_HP_TLS (PT_LOOS + 0x0) #define PT_HP_CORE_NONE (PT_LOOS + 0x1) #define PT_HP_CORE_VERSION (PT_LOOS + 0x2) #define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) #define PT_HP_CORE_COMM (PT_LOOS + 0x4) #define PT_HP_CORE_PROC (PT_LOOS + 0x5) #define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) #define PT_HP_CORE_STACK (PT_LOOS + 0x7) #define PT_HP_CORE_SHM (PT_LOOS + 0x8) #define PT_HP_CORE_MMF (PT_LOOS + 0x9) #define PT_HP_PARALLEL (PT_LOOS + 0x10) #define PT_HP_FASTBIND (PT_LOOS + 0x11) #define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) #define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) #define PT_HP_STACK (PT_LOOS + 0x14) #define PT_PARISC_ARCHEXT 0x70000000 #define PT_PARISC_UNWIND 0x70000001 /* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */ #define PF_PARISC_SBP 0x08000000 #define PF_HP_PAGE_SIZE 0x00100000 #define PF_HP_FAR_SHARED 0x00200000 #define PF_HP_NEAR_SHARED 0x00400000 #define PF_HP_CODE 0x01000000 #define PF_HP_MODIFY 0x02000000 #define PF_HP_LAZYSWAP 0x04000000 #define PF_HP_SBP 0x08000000 /* Alpha specific definitions. */ /* Legal values for e_flags field of Elf64_Ehdr. */ #define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ #define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ /* Legal values for sh_type field of Elf64_Shdr. */ /* These two are primerily concerned with ECOFF debugging info. */ #define SHT_ALPHA_DEBUG 0x70000001 #define SHT_ALPHA_REGINFO 0x70000002 /* Legal values for sh_flags field of Elf64_Shdr. */ #define SHF_ALPHA_GPREL 0x10000000 /* Legal values for st_other field of Elf64_Sym. */ #define STO_ALPHA_NOPV 0x80 /* No PV required. */ #define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ /* Alpha relocs. */ #define R_ALPHA_NONE 0 /* No reloc */ #define R_ALPHA_REFLONG 1 /* Direct 32 bit */ #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ #define R_ALPHA_GPDISP 6 /* Add displacement to GP */ #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ #define R_ALPHA_SREL16 9 /* PC relative 16 bit */ #define R_ALPHA_SREL32 10 /* PC relative 32 bit */ #define R_ALPHA_SREL64 11 /* PC relative 64 bit */ #define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */ #define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */ #define R_ALPHA_GPREL16 19 /* GP relative 16 bit */ #define R_ALPHA_COPY 24 /* Copy symbol at runtime */ #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ #define R_ALPHA_RELATIVE 27 /* Adjust by program base */ #define R_ALPHA_TLS_GD_HI 28 #define R_ALPHA_TLSGD 29 #define R_ALPHA_TLS_LDM 30 #define R_ALPHA_DTPMOD64 31 #define R_ALPHA_GOTDTPREL 32 #define R_ALPHA_DTPREL64 33 #define R_ALPHA_DTPRELHI 34 #define R_ALPHA_DTPRELLO 35 #define R_ALPHA_DTPREL16 36 #define R_ALPHA_GOTTPREL 37 #define R_ALPHA_TPREL64 38 #define R_ALPHA_TPRELHI 39 #define R_ALPHA_TPRELLO 40 #define R_ALPHA_TPREL16 41 /* Keep this the last entry. */ #define R_ALPHA_NUM 46 /* Magic values of the LITUSE relocation addend. */ #define LITUSE_ALPHA_ADDR 0 #define LITUSE_ALPHA_BASE 1 #define LITUSE_ALPHA_BYTOFF 2 #define LITUSE_ALPHA_JSR 3 #define LITUSE_ALPHA_TLS_GD 4 #define LITUSE_ALPHA_TLS_LDM 5 /* Legal values for d_tag of Elf64_Dyn. */ #define DT_ALPHA_PLTRO (DT_LOPROC + 0) #define DT_ALPHA_NUM 1 /* PowerPC specific declarations */ /* Values for Elf32/64_Ehdr.e_flags. */ #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ /* Cygnus local bits below */ #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag */ /* PowerPC relocations defined by the ABIs */ #define R_PPC_NONE 0 #define R_PPC_ADDR32 1 /* 32bit absolute address */ #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ #define R_PPC_ADDR16 3 /* 16bit absolute address */ #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ #define R_PPC_ADDR14_BRTAKEN 8 #define R_PPC_ADDR14_BRNTAKEN 9 #define R_PPC_REL24 10 /* PC relative 26 bit */ #define R_PPC_REL14 11 /* PC relative 16 bit */ #define R_PPC_REL14_BRTAKEN 12 #define R_PPC_REL14_BRNTAKEN 13 #define R_PPC_GOT16 14 #define R_PPC_GOT16_LO 15 #define R_PPC_GOT16_HI 16 #define R_PPC_GOT16_HA 17 #define R_PPC_PLTREL24 18 #define R_PPC_COPY 19 #define R_PPC_GLOB_DAT 20 #define R_PPC_JMP_SLOT 21 #define R_PPC_RELATIVE 22 #define R_PPC_LOCAL24PC 23 #define R_PPC_UADDR32 24 #define R_PPC_UADDR16 25 #define R_PPC_REL32 26 #define R_PPC_PLT32 27 #define R_PPC_PLTREL32 28 #define R_PPC_PLT16_LO 29 #define R_PPC_PLT16_HI 30 #define R_PPC_PLT16_HA 31 #define R_PPC_SDAREL16 32 #define R_PPC_SECTOFF 33 #define R_PPC_SECTOFF_LO 34 #define R_PPC_SECTOFF_HI 35 #define R_PPC_SECTOFF_HA 36 /* PowerPC relocations defined for the TLS access ABI. */ #define R_PPC_TLS 67 /* none (sym+add)@tls */ #define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ #define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ #define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ #define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ #define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ #define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ #define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ #define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ #define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ #define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ #define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ #define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ #define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ #define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ #define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ #define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ #define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ #define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ #define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ #define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ #define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ #define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ #define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ #define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ #define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ #define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ #define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ #define R_PPC_TLSGD 95 /* none (sym+add)@tlsgd */ #define R_PPC_TLSLD 96 /* none (sym+add)@tlsld */ /* The remaining relocs are from the Embedded ELF ABI, and are not in the SVR4 ELF ABI. */ #define R_PPC_EMB_NADDR32 101 #define R_PPC_EMB_NADDR16 102 #define R_PPC_EMB_NADDR16_LO 103 #define R_PPC_EMB_NADDR16_HI 104 #define R_PPC_EMB_NADDR16_HA 105 #define R_PPC_EMB_SDAI16 106 #define R_PPC_EMB_SDA2I16 107 #define R_PPC_EMB_SDA2REL 108 #define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ #define R_PPC_EMB_MRKREF 110 #define R_PPC_EMB_RELSEC16 111 #define R_PPC_EMB_RELST_LO 112 #define R_PPC_EMB_RELST_HI 113 #define R_PPC_EMB_RELST_HA 114 #define R_PPC_EMB_BIT_FLD 115 #define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ /* Diab tool relocations. */ #define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ #define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ #define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ #define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ #define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ #define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ /* GNU extension to support local ifunc. */ #define R_PPC_IRELATIVE 248 /* GNU relocs used in PIC code sequences. */ #define R_PPC_REL16 249 /* half16 (sym+add-.) */ #define R_PPC_REL16_LO 250 /* half16 (sym+add-.)@l */ #define R_PPC_REL16_HI 251 /* half16 (sym+add-.)@h */ #define R_PPC_REL16_HA 252 /* half16 (sym+add-.)@ha */ /* This is a phony reloc to handle any old fashioned TOC16 references that may still be in object files. */ #define R_PPC_TOC16 255 /* PowerPC specific values for the Dyn d_tag field. */ #define DT_PPC_GOT (DT_LOPROC + 0) #define DT_PPC_OPT (DT_LOPROC + 1) #define DT_PPC_NUM 2 /* PowerPC specific values for the DT_PPC_OPT Dyn entry. */ #define PPC_OPT_TLS 1 /* PowerPC64 relocations defined by the ABIs */ #define R_PPC64_NONE R_PPC_NONE #define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address */ #define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned */ #define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address */ #define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of address */ #define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of address. */ #define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ #define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned */ #define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN #define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN #define R_PPC64_REL24 R_PPC_REL24 /* PC-rel. 26 bit, word aligned */ #define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit */ #define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN #define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN #define R_PPC64_GOT16 R_PPC_GOT16 #define R_PPC64_GOT16_LO R_PPC_GOT16_LO #define R_PPC64_GOT16_HI R_PPC_GOT16_HI #define R_PPC64_GOT16_HA R_PPC_GOT16_HA #define R_PPC64_COPY R_PPC_COPY #define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT #define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT #define R_PPC64_RELATIVE R_PPC_RELATIVE #define R_PPC64_UADDR32 R_PPC_UADDR32 #define R_PPC64_UADDR16 R_PPC_UADDR16 #define R_PPC64_REL32 R_PPC_REL32 #define R_PPC64_PLT32 R_PPC_PLT32 #define R_PPC64_PLTREL32 R_PPC_PLTREL32 #define R_PPC64_PLT16_LO R_PPC_PLT16_LO #define R_PPC64_PLT16_HI R_PPC_PLT16_HI #define R_PPC64_PLT16_HA R_PPC_PLT16_HA #define R_PPC64_SECTOFF R_PPC_SECTOFF #define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO #define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI #define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA #define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2 */ #define R_PPC64_ADDR64 38 /* doubleword64 S + A */ #define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A) */ #define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A) */ #define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A) */ #define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A) */ #define R_PPC64_UADDR64 43 /* doubleword64 S + A */ #define R_PPC64_REL64 44 /* doubleword64 S + A - P */ #define R_PPC64_PLT64 45 /* doubleword64 L + A */ #define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P */ #define R_PPC64_TOC16 47 /* half16* S + A - .TOC */ #define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.) */ #define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.) */ #define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.) */ #define R_PPC64_TOC 51 /* doubleword64 .TOC */ #define R_PPC64_PLTGOT16 52 /* half16* M + A */ #define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A) */ #define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A) */ #define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A) */ #define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2 */ #define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2 */ #define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2 */ #define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2 */ #define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2 */ #define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2 */ #define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2 */ #define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2 */ #define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2 */ #define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2 */ #define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2 */ /* PowerPC64 relocations defined for the TLS access ABI. */ #define R_PPC64_TLS 67 /* none (sym+add)@tls */ #define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ #define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ #define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ #define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ #define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ #define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ #define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ #define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ #define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ #define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ #define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ #define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ #define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ #define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ #define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ #define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ #define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ #define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ #define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ #define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ #define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ #define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ #define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ #define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ #define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ #define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ #define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ #define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ #define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ #define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ #define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ #define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ #define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ #define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ #define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ #define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ #define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ #define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ #define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ #define R_PPC64_TLSGD 107 /* none (sym+add)@tlsgd */ #define R_PPC64_TLSLD 108 /* none (sym+add)@tlsld */ #define R_PPC64_TOCSAVE 109 /* none */ /* Added when HA and HI relocs were changed to report overflows. */ #define R_PPC64_ADDR16_HIGH 110 #define R_PPC64_ADDR16_HIGHA 111 #define R_PPC64_TPREL16_HIGH 112 #define R_PPC64_TPREL16_HIGHA 113 #define R_PPC64_DTPREL16_HIGH 114 #define R_PPC64_DTPREL16_HIGHA 115 /* GNU extension to support local ifunc. */ #define R_PPC64_JMP_IREL 247 #define R_PPC64_IRELATIVE 248 #define R_PPC64_REL16 249 /* half16 (sym+add-.) */ #define R_PPC64_REL16_LO 250 /* half16 (sym+add-.)@l */ #define R_PPC64_REL16_HI 251 /* half16 (sym+add-.)@h */ #define R_PPC64_REL16_HA 252 /* half16 (sym+add-.)@ha */ /* e_flags bits specifying ABI. 1 for original function descriptor using ABI, 2 for revised ABI without function descriptors, 0 for unspecified or not using any features affected by the differences. */ #define EF_PPC64_ABI 3 /* PowerPC64 specific values for the Dyn d_tag field. */ #define DT_PPC64_GLINK (DT_LOPROC + 0) #define DT_PPC64_OPD (DT_LOPROC + 1) #define DT_PPC64_OPDSZ (DT_LOPROC + 2) #define DT_PPC64_OPT (DT_LOPROC + 3) #define DT_PPC64_NUM 4 /* PowerPC64 specific bits in the DT_PPC64_OPT Dyn entry. */ #define PPC64_OPT_TLS 1 #define PPC64_OPT_MULTI_TOC 2 #define PPC64_OPT_LOCALENTRY 4 /* PowerPC64 specific values for the Elf64_Sym st_other field. */ #define STO_PPC64_LOCAL_BIT 5 #define STO_PPC64_LOCAL_MASK (7 << STO_PPC64_LOCAL_BIT) #define PPC64_LOCAL_ENTRY_OFFSET(other) \ (((1 << (((other) & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT)) >> 2) << 2) /* ARM specific declarations */ /* Processor specific flags for the ELF header e_flags field. */ #define EF_ARM_RELEXEC 0x01 #define EF_ARM_HASENTRY 0x02 #define EF_ARM_INTERWORK 0x04 #define EF_ARM_APCS_26 0x08 #define EF_ARM_APCS_FLOAT 0x10 #define EF_ARM_PIC 0x20 #define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use */ #define EF_ARM_NEW_ABI 0x80 #define EF_ARM_OLD_ABI 0x100 #define EF_ARM_SOFT_FLOAT 0x200 #define EF_ARM_VFP_FLOAT 0x400 #define EF_ARM_MAVERICK_FLOAT 0x800 #define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT */ #define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT */ /* Other constants defined in the ARM ELF spec. version B-01. */ /* NB. These conflict with values defined above. */ #define EF_ARM_SYMSARESORTED 0x04 #define EF_ARM_DYNSYMSUSESEGIDX 0x08 #define EF_ARM_MAPSYMSFIRST 0x10 #define EF_ARM_EABIMASK 0XFF000000 /* Constants defined in AAELF. */ #define EF_ARM_BE8 0x00800000 #define EF_ARM_LE8 0x00400000 #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) #define EF_ARM_EABI_UNKNOWN 0x00000000 #define EF_ARM_EABI_VER1 0x01000000 #define EF_ARM_EABI_VER2 0x02000000 #define EF_ARM_EABI_VER3 0x03000000 #define EF_ARM_EABI_VER4 0x04000000 #define EF_ARM_EABI_VER5 0x05000000 /* Additional symbol types for Thumb. */ #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ /* ARM-specific values for sh_flags */ #define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ #define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ /* ARM-specific program header flags */ #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ #define PF_ARM_PI 0x20000000 /* Position-independent segment. */ #define PF_ARM_ABS 0x40000000 /* Absolute segment. */ /* Processor specific values for the Phdr p_type field. */ #define PT_ARM_EXIDX (PT_LOPROC + 1) /* ARM unwind segment. */ /* Processor specific values for the Shdr sh_type field. */ #define SHT_ARM_EXIDX (SHT_LOPROC + 1) /* ARM unwind section. */ #define SHT_ARM_PREEMPTMAP (SHT_LOPROC + 2) /* Preemption details. */ #define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) /* ARM attributes section. */ /* AArch64 relocs. */ #define R_AARCH64_NONE 0 /* No relocation. */ /* ILP32 AArch64 relocs. */ #define R_AARCH64_P32_ABS32 1 /* Direct 32 bit. */ #define R_AARCH64_P32_COPY 180 /* Copy symbol at runtime. */ #define R_AARCH64_P32_GLOB_DAT 181 /* Create GOT entry. */ #define R_AARCH64_P32_JUMP_SLOT 182 /* Create PLT entry. */ #define R_AARCH64_P32_RELATIVE 183 /* Adjust by program base. */ #define R_AARCH64_P32_TLS_DTPMOD 184 /* Module number, 32 bit. */ #define R_AARCH64_P32_TLS_DTPREL 185 /* Module-relative offset, 32 bit. */ #define R_AARCH64_P32_TLS_TPREL 186 /* TP-relative offset, 32 bit. */ #define R_AARCH64_P32_TLSDESC 187 /* TLS Descriptor. */ #define R_AARCH64_P32_IRELATIVE 188 /* STT_GNU_IFUNC relocation. */ /* LP64 AArch64 relocs. */ #define R_AARCH64_ABS64 257 /* Direct 64 bit. */ #define R_AARCH64_ABS32 258 /* Direct 32 bit. */ #define R_AARCH64_ABS16 259 /* Direct 16-bit. */ #define R_AARCH64_PREL64 260 /* PC-relative 64-bit. */ #define R_AARCH64_PREL32 261 /* PC-relative 32-bit. */ #define R_AARCH64_PREL16 262 /* PC-relative 16-bit. */ #define R_AARCH64_MOVW_UABS_G0 263 /* Dir. MOVZ imm. from bits 15:0. */ #define R_AARCH64_MOVW_UABS_G0_NC 264 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_UABS_G1 265 /* Dir. MOVZ imm. from bits 31:16. */ #define R_AARCH64_MOVW_UABS_G1_NC 266 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_UABS_G2 267 /* Dir. MOVZ imm. from bits 47:32. */ #define R_AARCH64_MOVW_UABS_G2_NC 268 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_UABS_G3 269 /* Dir. MOV{K,Z} imm. from 63:48. */ #define R_AARCH64_MOVW_SABS_G0 270 /* Dir. MOV{N,Z} imm. from 15:0. */ #define R_AARCH64_MOVW_SABS_G1 271 /* Dir. MOV{N,Z} imm. from 31:16. */ #define R_AARCH64_MOVW_SABS_G2 272 /* Dir. MOV{N,Z} imm. from 47:32. */ #define R_AARCH64_LD_PREL_LO19 273 /* PC-rel. LD imm. from bits 20:2. */ #define R_AARCH64_ADR_PREL_LO21 274 /* PC-rel. ADR imm. from bits 20:0. */ #define R_AARCH64_ADR_PREL_PG_HI21 275 /* Page-rel. ADRP imm. from 32:12. */ #define R_AARCH64_ADR_PREL_PG_HI21_NC 276 /* Likewise; no overflow check. */ #define R_AARCH64_ADD_ABS_LO12_NC 277 /* Dir. ADD imm. from bits 11:0. */ #define R_AARCH64_LDST8_ABS_LO12_NC 278 /* Likewise for LD/ST; no check. */ #define R_AARCH64_TSTBR14 279 /* PC-rel. TBZ/TBNZ imm. from 15:2. */ #define R_AARCH64_CONDBR19 280 /* PC-rel. cond. br. imm. from 20:2. */ #define R_AARCH64_JUMP26 282 /* PC-rel. B imm. from bits 27:2. */ #define R_AARCH64_CALL26 283 /* Likewise for CALL. */ #define R_AARCH64_LDST16_ABS_LO12_NC 284 /* Dir. ADD imm. from bits 11:1. */ #define R_AARCH64_LDST32_ABS_LO12_NC 285 /* Likewise for bits 11:2. */ #define R_AARCH64_LDST64_ABS_LO12_NC 286 /* Likewise for bits 11:3. */ #define R_AARCH64_MOVW_PREL_G0 287 /* PC-rel. MOV{N,Z} imm. from 15:0. */ #define R_AARCH64_MOVW_PREL_G0_NC 288 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_PREL_G1 289 /* PC-rel. MOV{N,Z} imm. from 31:16. */ #define R_AARCH64_MOVW_PREL_G1_NC 290 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_PREL_G2 291 /* PC-rel. MOV{N,Z} imm. from 47:32. */ #define R_AARCH64_MOVW_PREL_G2_NC 292 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_PREL_G3 293 /* PC-rel. MOV{N,Z} imm. from 63:48. */ #define R_AARCH64_LDST128_ABS_LO12_NC 299 /* Dir. ADD imm. from bits 11:4. */ #define R_AARCH64_MOVW_GOTOFF_G0 300 /* GOT-rel. off. MOV{N,Z} imm. 15:0. */ #define R_AARCH64_MOVW_GOTOFF_G0_NC 301 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_GOTOFF_G1 302 /* GOT-rel. o. MOV{N,Z} imm. 31:16. */ #define R_AARCH64_MOVW_GOTOFF_G1_NC 303 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_GOTOFF_G2 304 /* GOT-rel. o. MOV{N,Z} imm. 47:32. */ #define R_AARCH64_MOVW_GOTOFF_G2_NC 305 /* Likewise for MOVK; no check. */ #define R_AARCH64_MOVW_GOTOFF_G3 306 /* GOT-rel. o. MOV{N,Z} imm. 63:48. */ #define R_AARCH64_GOTREL64 307 /* GOT-relative 64-bit. */ #define R_AARCH64_GOTREL32 308 /* GOT-relative 32-bit. */ #define R_AARCH64_GOT_LD_PREL19 309 /* PC-rel. GOT off. load imm. 20:2. */ #define R_AARCH64_LD64_GOTOFF_LO15 310 /* GOT-rel. off. LD/ST imm. 14:3. */ #define R_AARCH64_ADR_GOT_PAGE 311 /* P-page-rel. GOT off. ADRP 32:12. */ #define R_AARCH64_LD64_GOT_LO12_NC 312 /* Dir. GOT off. LD/ST imm. 11:3. */ #define R_AARCH64_LD64_GOTPAGE_LO15 313 /* GOT-page-rel. GOT off. LD/ST 14:3 */ #define R_AARCH64_TLSGD_ADR_PREL21 512 /* PC-relative ADR imm. 20:0. */ #define R_AARCH64_TLSGD_ADR_PAGE21 513 /* page-rel. ADRP imm. 32:12. */ #define R_AARCH64_TLSGD_ADD_LO12_NC 514 /* direct ADD imm. from 11:0. */ #define R_AARCH64_TLSGD_MOVW_G1 515 /* GOT-rel. MOV{N,Z} 31:16. */ #define R_AARCH64_TLSGD_MOVW_G0_NC 516 /* GOT-rel. MOVK imm. 15:0. */ #define R_AARCH64_TLSLD_ADR_PREL21 517 /* Like 512; local dynamic model. */ #define R_AARCH64_TLSLD_ADR_PAGE21 518 /* Like 513; local dynamic model. */ #define R_AARCH64_TLSLD_ADD_LO12_NC 519 /* Like 514; local dynamic model. */ #define R_AARCH64_TLSLD_MOVW_G1 520 /* Like 515; local dynamic model. */ #define R_AARCH64_TLSLD_MOVW_G0_NC 521 /* Like 516; local dynamic model. */ #define R_AARCH64_TLSLD_LD_PREL19 522 /* TLS PC-rel. load imm. 20:2. */ #define R_AARCH64_TLSLD_MOVW_DTPREL_G2 523 /* TLS DTP-rel. MOV{N,Z} 47:32. */ #define R_AARCH64_TLSLD_MOVW_DTPREL_G1 524 /* TLS DTP-rel. MOV{N,Z} 31:16. */ #define R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC 525 /* Likewise; MOVK; no check. */ #define R_AARCH64_TLSLD_MOVW_DTPREL_G0 526 /* TLS DTP-rel. MOV{N,Z} 15:0. */ #define R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC 527 /* Likewise; MOVK; no check. */ #define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTP-rel. ADD imm. from 23:12. */ #define R_AARCH64_TLSLD_ADD_DTPREL_LO12 529 /* DTP-rel. ADD imm. from 11:0. */ #define R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC 530 /* Likewise; no ovfl. check. */ #define R_AARCH64_TLSLD_LDST8_DTPREL_LO12 531 /* DTP-rel. LD/ST imm. 11:0. */ #define R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC 532 /* Likewise; no check. */ #define R_AARCH64_TLSLD_LDST16_DTPREL_LO12 533 /* DTP-rel. LD/ST imm. 11:1. */ #define R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC 534 /* Likewise; no check. */ #define R_AARCH64_TLSLD_LDST32_DTPREL_LO12 535 /* DTP-rel. LD/ST imm. 11:2. */ #define R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC 536 /* Likewise; no check. */ #define R_AARCH64_TLSLD_LDST64_DTPREL_LO12 537 /* DTP-rel. LD/ST imm. 11:3. */ #define R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC 538 /* Likewise; no check. */ #define R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 539 /* GOT-rel. MOV{N,Z} 31:16. */ #define R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC 540 /* GOT-rel. MOVK 15:0. */ #define R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 541 /* Page-rel. ADRP 32:12. */ #define R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC 542 /* Direct LD off. 11:3. */ #define R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 543 /* PC-rel. load imm. 20:2. */ #define R_AARCH64_TLSLE_MOVW_TPREL_G2 544 /* TLS TP-rel. MOV{N,Z} 47:32. */ #define R_AARCH64_TLSLE_MOVW_TPREL_G1 545 /* TLS TP-rel. MOV{N,Z} 31:16. */ #define R_AARCH64_TLSLE_MOVW_TPREL_G1_NC 546 /* Likewise; MOVK; no check. */ #define R_AARCH64_TLSLE_MOVW_TPREL_G0 547 /* TLS TP-rel. MOV{N,Z} 15:0. */ #define R_AARCH64_TLSLE_MOVW_TPREL_G0_NC 548 /* Likewise; MOVK; no check. */ #define R_AARCH64_TLSLE_ADD_TPREL_HI12 549 /* TP-rel. ADD imm. 23:12. */ #define R_AARCH64_TLSLE_ADD_TPREL_LO12 550 /* TP-rel. ADD imm. 11:0. */ #define R_AARCH64_TLSLE_ADD_TPREL_LO12_NC 551 /* Likewise; no ovfl. check. */ #define R_AARCH64_TLSLE_LDST8_TPREL_LO12 552 /* TP-rel. LD/ST off. 11:0. */ #define R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC 553 /* Likewise; no ovfl. check. */ #define R_AARCH64_TLSLE_LDST16_TPREL_LO12 554 /* TP-rel. LD/ST off. 11:1. */ #define R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC 555 /* Likewise; no check. */ #define R_AARCH64_TLSLE_LDST32_TPREL_LO12 556 /* TP-rel. LD/ST off. 11:2. */ #define R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC 557 /* Likewise; no check. */ #define R_AARCH64_TLSLE_LDST64_TPREL_LO12 558 /* TP-rel. LD/ST off. 11:3. */ #define R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC 559 /* Likewise; no check. */ #define R_AARCH64_TLSDESC_LD_PREL19 560 /* PC-rel. load immediate 20:2. */ #define R_AARCH64_TLSDESC_ADR_PREL21 561 /* PC-rel. ADR immediate 20:0. */ #define R_AARCH64_TLSDESC_ADR_PAGE21 562 /* Page-rel. ADRP imm. 32:12. */ #define R_AARCH64_TLSDESC_LD64_LO12 563 /* Direct LD off. from 11:3. */ #define R_AARCH64_TLSDESC_ADD_LO12 564 /* Direct ADD imm. from 11:0. */ #define R_AARCH64_TLSDESC_OFF_G1 565 /* GOT-rel. MOV{N,Z} imm. 31:16. */ #define R_AARCH64_TLSDESC_OFF_G0_NC 566 /* GOT-rel. MOVK imm. 15:0; no ck. */ #define R_AARCH64_TLSDESC_LDR 567 /* Relax LDR. */ #define R_AARCH64_TLSDESC_ADD 568 /* Relax ADD. */ #define R_AARCH64_TLSDESC_CALL 569 /* Relax BLR. */ #define R_AARCH64_TLSLE_LDST128_TPREL_LO12 570 /* TP-rel. LD/ST off. 11:4. */ #define R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC 571 /* Likewise; no check. */ #define R_AARCH64_TLSLD_LDST128_DTPREL_LO12 572 /* DTP-rel. LD/ST imm. 11:4. */ #define R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC 573 /* Likewise; no check. */ #define R_AARCH64_COPY 1024 /* Copy symbol at runtime. */ #define R_AARCH64_GLOB_DAT 1025 /* Create GOT entry. */ #define R_AARCH64_JUMP_SLOT 1026 /* Create PLT entry. */ #define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */ #define R_AARCH64_TLS_DTPMOD 1028 /* Module number, 64 bit. */ #define R_AARCH64_TLS_DTPREL 1029 /* Module-relative offset, 64 bit. */ #define R_AARCH64_TLS_TPREL 1030 /* TP-relative offset, 64 bit. */ #define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */ #define R_AARCH64_IRELATIVE 1032 /* STT_GNU_IFUNC relocation. */ /* MTE memory tag segment type. */ #define PT_AARCH64_MEMTAG_MTE (PT_LOPROC + 2) /* AArch64 specific values for the Dyn d_tag field. */ #define DT_AARCH64_BTI_PLT (DT_LOPROC + 1) #define DT_AARCH64_PAC_PLT (DT_LOPROC + 3) #define DT_AARCH64_VARIANT_PCS (DT_LOPROC + 5) #define DT_AARCH64_NUM 6 /* AArch64 specific values for the st_other field. */ #define STO_AARCH64_VARIANT_PCS 0x80 /* ARM relocs. */ #define R_ARM_NONE 0 /* No reloc */ #define R_ARM_PC24 1 /* Deprecated PC relative 26 bit branch. */ #define R_ARM_ABS32 2 /* Direct 32 bit */ #define R_ARM_REL32 3 /* PC relative 32 bit */ #define R_ARM_PC13 4 #define R_ARM_ABS16 5 /* Direct 16 bit */ #define R_ARM_ABS12 6 /* Direct 12 bit */ #define R_ARM_THM_ABS5 7 /* Direct & 0x7C (LDR, STR). */ #define R_ARM_ABS8 8 /* Direct 8 bit */ #define R_ARM_SBREL32 9 #define R_ARM_THM_PC22 10 /* PC relative 24 bit (Thumb32 BL). */ #define R_ARM_THM_PC8 11 /* PC relative & 0x3FC (Thumb16 LDR, ADD, ADR). */ #define R_ARM_AMP_VCALL9 12 #define R_ARM_SWI24 13 /* Obsolete static relocation. */ #define R_ARM_TLS_DESC 13 /* Dynamic relocation. */ #define R_ARM_THM_SWI8 14 /* Reserved. */ #define R_ARM_XPC25 15 /* Reserved. */ #define R_ARM_THM_XPC22 16 /* Reserved. */ #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ #define R_ARM_COPY 20 /* Copy symbol at runtime */ #define R_ARM_GLOB_DAT 21 /* Create GOT entry */ #define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ #define R_ARM_RELATIVE 23 /* Adjust by program base */ #define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ #define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ #define R_ARM_GOT32 26 /* 32 bit GOT entry */ #define R_ARM_PLT32 27 /* Deprecated, 32 bit PLT address. */ #define R_ARM_CALL 28 /* PC relative 24 bit (BL, BLX). */ #define R_ARM_JUMP24 29 /* PC relative 24 bit (B, BL). */ #define R_ARM_THM_JUMP24 30 /* PC relative 24 bit (Thumb32 B.W). */ #define R_ARM_BASE_ABS 31 /* Adjust by program base. */ #define R_ARM_ALU_PCREL_7_0 32 /* Obsolete. */ #define R_ARM_ALU_PCREL_15_8 33 /* Obsolete. */ #define R_ARM_ALU_PCREL_23_15 34 /* Obsolete. */ #define R_ARM_LDR_SBREL_11_0 35 /* Deprecated, prog. base relative. */ #define R_ARM_ALU_SBREL_19_12 36 /* Deprecated, prog. base relative. */ #define R_ARM_ALU_SBREL_27_20 37 /* Deprecated, prog. base relative. */ #define R_ARM_TARGET1 38 #define R_ARM_SBREL31 39 /* Program base relative. */ #define R_ARM_V4BX 40 #define R_ARM_TARGET2 41 #define R_ARM_PREL31 42 /* 32 bit PC relative. */ #define R_ARM_MOVW_ABS_NC 43 /* Direct 16-bit (MOVW). */ #define R_ARM_MOVT_ABS 44 /* Direct high 16-bit (MOVT). */ #define R_ARM_MOVW_PREL_NC 45 /* PC relative 16-bit (MOVW). */ #define R_ARM_MOVT_PREL 46 /* PC relative (MOVT). */ #define R_ARM_THM_MOVW_ABS_NC 47 /* Direct 16 bit (Thumb32 MOVW). */ #define R_ARM_THM_MOVT_ABS 48 /* Direct high 16 bit (Thumb32 MOVT). */ #define R_ARM_THM_MOVW_PREL_NC 49 /* PC relative 16 bit (Thumb32 MOVW). */ #define R_ARM_THM_MOVT_PREL 50 /* PC relative high 16 bit (Thumb32 MOVT). */ #define R_ARM_THM_JUMP19 51 /* PC relative 20 bit (Thumb32 B.W). */ #define R_ARM_THM_JUMP6 52 /* PC relative X & 0x7E (Thumb16 CBZ, CBNZ). */ #define R_ARM_THM_ALU_PREL_11_0 53 /* PC relative 12 bit (Thumb32 ADR.W). */ #define R_ARM_THM_PC12 54 /* PC relative 12 bit (Thumb32 LDR{D,SB,H,SH}). */ #define R_ARM_ABS32_NOI 55 /* Direct 32-bit. */ #define R_ARM_REL32_NOI 56 /* PC relative 32-bit. */ #define R_ARM_ALU_PC_G0_NC 57 /* PC relative (ADD, SUB). */ #define R_ARM_ALU_PC_G0 58 /* PC relative (ADD, SUB). */ #define R_ARM_ALU_PC_G1_NC 59 /* PC relative (ADD, SUB). */ #define R_ARM_ALU_PC_G1 60 /* PC relative (ADD, SUB). */ #define R_ARM_ALU_PC_G2 61 /* PC relative (ADD, SUB). */ #define R_ARM_LDR_PC_G1 62 /* PC relative (LDR,STR,LDRB,STRB). */ #define R_ARM_LDR_PC_G2 63 /* PC relative (LDR,STR,LDRB,STRB). */ #define R_ARM_LDRS_PC_G0 64 /* PC relative (STR{D,H}, LDR{D,SB,H,SH}). */ #define R_ARM_LDRS_PC_G1 65 /* PC relative (STR{D,H}, LDR{D,SB,H,SH}). */ #define R_ARM_LDRS_PC_G2 66 /* PC relative (STR{D,H}, LDR{D,SB,H,SH}). */ #define R_ARM_LDC_PC_G0 67 /* PC relative (LDC, STC). */ #define R_ARM_LDC_PC_G1 68 /* PC relative (LDC, STC). */ #define R_ARM_LDC_PC_G2 69 /* PC relative (LDC, STC). */ #define R_ARM_ALU_SB_G0_NC 70 /* Program base relative (ADD,SUB). */ #define R_ARM_ALU_SB_G0 71 /* Program base relative (ADD,SUB). */ #define R_ARM_ALU_SB_G1_NC 72 /* Program base relative (ADD,SUB). */ #define R_ARM_ALU_SB_G1 73 /* Program base relative (ADD,SUB). */ #define R_ARM_ALU_SB_G2 74 /* Program base relative (ADD,SUB). */ #define R_ARM_LDR_SB_G0 75 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDR_SB_G1 76 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDR_SB_G2 77 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDRS_SB_G0 78 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDRS_SB_G1 79 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDRS_SB_G2 80 /* Program base relative (LDR, STR, LDRB, STRB). */ #define R_ARM_LDC_SB_G0 81 /* Program base relative (LDC,STC). */ #define R_ARM_LDC_SB_G1 82 /* Program base relative (LDC,STC). */ #define R_ARM_LDC_SB_G2 83 /* Program base relative (LDC,STC). */ #define R_ARM_MOVW_BREL_NC 84 /* Program base relative 16 bit (MOVW). */ #define R_ARM_MOVT_BREL 85 /* Program base relative high 16 bit (MOVT). */ #define R_ARM_MOVW_BREL 86 /* Program base relative 16 bit (MOVW). */ #define R_ARM_THM_MOVW_BREL_NC 87 /* Program base relative 16 bit (Thumb32 MOVW). */ #define R_ARM_THM_MOVT_BREL 88 /* Program base relative high 16 bit (Thumb32 MOVT). */ #define R_ARM_THM_MOVW_BREL 89 /* Program base relative 16 bit (Thumb32 MOVW). */ #define R_ARM_TLS_GOTDESC 90 #define R_ARM_TLS_CALL 91 #define R_ARM_TLS_DESCSEQ 92 /* TLS relaxation. */ #define R_ARM_THM_TLS_CALL 93 #define R_ARM_PLT32_ABS 94 #define R_ARM_GOT_ABS 95 /* GOT entry. */ #define R_ARM_GOT_PREL 96 /* PC relative GOT entry. */ #define R_ARM_GOT_BREL12 97 /* GOT entry relative to GOT origin (LDR). */ #define R_ARM_GOTOFF12 98 /* 12 bit, GOT entry relative to GOT origin (LDR, STR). */ #define R_ARM_GOTRELAX 99 #define R_ARM_GNU_VTENTRY 100 #define R_ARM_GNU_VTINHERIT 101 #define R_ARM_THM_PC11 102 /* PC relative & 0xFFE (Thumb16 B). */ #define R_ARM_THM_PC9 103 /* PC relative & 0x1FE (Thumb16 B/B). */ #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic thread local data */ #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic thread local data */ #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS block */ #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of static TLS block offset */ #define R_ARM_TLS_LE32 108 /* 32 bit offset relative to static TLS block */ #define R_ARM_TLS_LDO12 109 /* 12 bit relative to TLS block (LDR, STR). */ #define R_ARM_TLS_LE12 110 /* 12 bit relative to static TLS block (LDR, STR). */ #define R_ARM_TLS_IE12GP 111 /* 12 bit GOT entry relative to GOT origin (LDR). */ #define R_ARM_ME_TOO 128 /* Obsolete. */ #define R_ARM_THM_TLS_DESCSEQ 129 #define R_ARM_THM_TLS_DESCSEQ16 129 #define R_ARM_THM_TLS_DESCSEQ32 130 #define R_ARM_THM_GOT_BREL12 131 /* GOT entry relative to GOT origin, 12 bit (Thumb32 LDR). */ #define R_ARM_IRELATIVE 160 #define R_ARM_RXPC25 249 #define R_ARM_RSBREL32 250 #define R_ARM_THM_RPC22 251 #define R_ARM_RREL32 252 #define R_ARM_RABS22 253 #define R_ARM_RPC24 254 #define R_ARM_RBASE 255 /* Keep this the last entry. */ #define R_ARM_NUM 256 /* C-SKY */ #define R_CKCORE_NONE 0 /* no reloc */ #define R_CKCORE_ADDR32 1 /* direct 32 bit (S + A) */ #define R_CKCORE_PCRELIMM8BY4 2 /* disp ((S + A - P) >> 2) & 0xff */ #define R_CKCORE_PCRELIMM11BY2 3 /* disp ((S + A - P) >> 1) & 0x7ff */ #define R_CKCORE_PCREL32 5 /* 32-bit rel (S + A - P) */ #define R_CKCORE_PCRELJSR_IMM11BY2 6 /* disp ((S + A - P) >>1) & 0x7ff */ #define R_CKCORE_RELATIVE 9 /* 32 bit adjust program base(B + A)*/ #define R_CKCORE_COPY 10 /* 32 bit adjust by program base */ #define R_CKCORE_GLOB_DAT 11 /* off between got and sym (S) */ #define R_CKCORE_JUMP_SLOT 12 /* PLT entry (S) */ #define R_CKCORE_GOTOFF 13 /* offset to GOT (S + A - GOT) */ #define R_CKCORE_GOTPC 14 /* PC offset to GOT (GOT + A - P) */ #define R_CKCORE_GOT32 15 /* 32 bit GOT entry (G) */ #define R_CKCORE_PLT32 16 /* 32 bit PLT entry (G) */ #define R_CKCORE_ADDRGOT 17 /* GOT entry in GLOB_DAT (GOT + G) */ #define R_CKCORE_ADDRPLT 18 /* PLT entry in GLOB_DAT (GOT + G) */ #define R_CKCORE_PCREL_IMM26BY2 19 /* ((S + A - P) >> 1) & 0x3ffffff */ #define R_CKCORE_PCREL_IMM16BY2 20 /* disp ((S + A - P) >> 1) & 0xffff */ #define R_CKCORE_PCREL_IMM16BY4 21 /* disp ((S + A - P) >> 2) & 0xffff */ #define R_CKCORE_PCREL_IMM10BY2 22 /* disp ((S + A - P) >> 1) & 0x3ff */ #define R_CKCORE_PCREL_IMM10BY4 23 /* disp ((S + A - P) >> 2) & 0x3ff */ #define R_CKCORE_ADDR_HI16 24 /* high & low 16 bit ADDR */ /* ((S + A) >> 16) & 0xffff */ #define R_CKCORE_ADDR_LO16 25 /* (S + A) & 0xffff */ #define R_CKCORE_GOTPC_HI16 26 /* high & low 16 bit GOTPC */ /* ((GOT + A - P) >> 16) & 0xffff */ #define R_CKCORE_GOTPC_LO16 27 /* (GOT + A - P) & 0xffff */ #define R_CKCORE_GOTOFF_HI16 28 /* high & low 16 bit GOTOFF */ /* ((S + A - GOT) >> 16) & 0xffff */ #define R_CKCORE_GOTOFF_LO16 29 /* (S + A - GOT) & 0xffff */ #define R_CKCORE_GOT12 30 /* 12 bit disp GOT entry (G) */ #define R_CKCORE_GOT_HI16 31 /* high & low 16 bit GOT */ /* (G >> 16) & 0xffff */ #define R_CKCORE_GOT_LO16 32 /* (G & 0xffff) */ #define R_CKCORE_PLT12 33 /* 12 bit disp PLT entry (G) */ #define R_CKCORE_PLT_HI16 34 /* high & low 16 bit PLT */ /* (G >> 16) & 0xffff */ #define R_CKCORE_PLT_LO16 35 /* G & 0xffff */ #define R_CKCORE_ADDRGOT_HI16 36 /* high & low 16 bit ADDRGOT */ /* (GOT + G * 4) & 0xffff */ #define R_CKCORE_ADDRGOT_LO16 37 /* (GOT + G * 4) & 0xffff */ #define R_CKCORE_ADDRPLT_HI16 38 /* high & low 16 bit ADDRPLT */ /* ((GOT + G * 4) >> 16) & 0xFFFF */ #define R_CKCORE_ADDRPLT_LO16 39 /* (GOT+G*4) & 0xffff */ #define R_CKCORE_PCREL_JSR_IMM26BY2 40 /* disp ((S+A-P) >>1) & x3ffffff */ #define R_CKCORE_TOFFSET_LO16 41 /* (S+A-BTEXT) & 0xffff */ #define R_CKCORE_DOFFSET_LO16 42 /* (S+A-BTEXT) & 0xffff */ #define R_CKCORE_PCREL_IMM18BY2 43 /* disp ((S+A-P) >>1) & 0x3ffff */ #define R_CKCORE_DOFFSET_IMM18 44 /* disp (S+A-BDATA) & 0x3ffff */ #define R_CKCORE_DOFFSET_IMM18BY2 45 /* disp ((S+A-BDATA)>>1) & 0x3ffff */ #define R_CKCORE_DOFFSET_IMM18BY4 46 /* disp ((S+A-BDATA)>>2) & 0x3ffff */ #define R_CKCORE_GOT_IMM18BY4 48 /* disp (G >> 2) */ #define R_CKCORE_PLT_IMM18BY4 49 /* disp (G >> 2) */ #define R_CKCORE_PCREL_IMM7BY4 50 /* disp ((S+A-P) >>2) & 0x7f */ #define R_CKCORE_TLS_LE32 51 /* 32 bit offset to TLS block */ #define R_CKCORE_TLS_IE32 52 #define R_CKCORE_TLS_GD32 53 #define R_CKCORE_TLS_LDM32 54 #define R_CKCORE_TLS_LDO32 55 #define R_CKCORE_TLS_DTPMOD32 56 #define R_CKCORE_TLS_DTPOFF32 57 #define R_CKCORE_TLS_TPOFF32 58 /* C-SKY elf header definition. */ #define EF_CSKY_ABIMASK 0XF0000000 #define EF_CSKY_OTHER 0X0FFF0000 #define EF_CSKY_PROCESSOR 0X0000FFFF #define EF_CSKY_ABIV1 0X10000000 #define EF_CSKY_ABIV2 0X20000000 /* C-SKY attributes section. */ #define SHT_CSKY_ATTRIBUTES (SHT_LOPROC + 1) /* IA-64 specific declarations. */ /* Processor specific flags for the Ehdr e_flags field. */ #define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ #define EF_IA_64_ABI64 0x00000010 /* 64-bit ABI */ #define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ /* Processor specific values for the Phdr p_type field. */ #define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */ #define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */ #define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) #define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) #define PT_IA_64_HP_STACK (PT_LOOS + 0x14) /* Processor specific flags for the Phdr p_flags field. */ #define PF_IA_64_NORECOV 0x80000000 /* spec insns w/o recovery */ /* Processor specific values for the Shdr sh_type field. */ #define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */ #define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */ /* Processor specific flags for the Shdr sh_flags field. */ #define SHF_IA_64_SHORT 0x10000000 /* section near gp */ #define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */ /* Processor specific values for the Dyn d_tag field. */ #define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) #define DT_IA_64_NUM 1 /* IA-64 relocations. */ #define R_IA64_NONE 0x00 /* none */ #define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */ #define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */ #define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */ #define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */ #define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */ #define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */ #define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */ #define R_IA64_GPREL22 0x2a /* @gprel(sym + add), add imm22 */ #define R_IA64_GPREL64I 0x2b /* @gprel(sym + add), mov imm64 */ #define R_IA64_GPREL32MSB 0x2c /* @gprel(sym + add), data4 MSB */ #define R_IA64_GPREL32LSB 0x2d /* @gprel(sym + add), data4 LSB */ #define R_IA64_GPREL64MSB 0x2e /* @gprel(sym + add), data8 MSB */ #define R_IA64_GPREL64LSB 0x2f /* @gprel(sym + add), data8 LSB */ #define R_IA64_LTOFF22 0x32 /* @ltoff(sym + add), add imm22 */ #define R_IA64_LTOFF64I 0x33 /* @ltoff(sym + add), mov imm64 */ #define R_IA64_PLTOFF22 0x3a /* @pltoff(sym + add), add imm22 */ #define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym + add), mov imm64 */ #define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym + add), data8 MSB */ #define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym + add), data8 LSB */ #define R_IA64_FPTR64I 0x43 /* @fptr(sym + add), mov imm64 */ #define R_IA64_FPTR32MSB 0x44 /* @fptr(sym + add), data4 MSB */ #define R_IA64_FPTR32LSB 0x45 /* @fptr(sym + add), data4 LSB */ #define R_IA64_FPTR64MSB 0x46 /* @fptr(sym + add), data8 MSB */ #define R_IA64_FPTR64LSB 0x47 /* @fptr(sym + add), data8 LSB */ #define R_IA64_PCREL60B 0x48 /* @pcrel(sym + add), brl */ #define R_IA64_PCREL21B 0x49 /* @pcrel(sym + add), ptb, call */ #define R_IA64_PCREL21M 0x4a /* @pcrel(sym + add), chk.s */ #define R_IA64_PCREL21F 0x4b /* @pcrel(sym + add), fchkf */ #define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym + add), data4 MSB */ #define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym + add), data4 LSB */ #define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym + add), data8 MSB */ #define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym + add), data8 LSB */ #define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */ #define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */ #define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), data4 MSB */ #define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), data4 LSB */ #define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), data8 MSB */ #define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), data8 LSB */ #define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym + add), data4 MSB */ #define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym + add), data4 LSB */ #define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym + add), data8 MSB */ #define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym + add), data8 LSB */ #define R_IA64_SECREL32MSB 0x64 /* @secrel(sym + add), data4 MSB */ #define R_IA64_SECREL32LSB 0x65 /* @secrel(sym + add), data4 LSB */ #define R_IA64_SECREL64MSB 0x66 /* @secrel(sym + add), data8 MSB */ #define R_IA64_SECREL64LSB 0x67 /* @secrel(sym + add), data8 LSB */ #define R_IA64_REL32MSB 0x6c /* data 4 + REL */ #define R_IA64_REL32LSB 0x6d /* data 4 + REL */ #define R_IA64_REL64MSB 0x6e /* data 8 + REL */ #define R_IA64_REL64LSB 0x6f /* data 8 + REL */ #define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */ #define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */ #define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */ #define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */ #define R_IA64_PCREL21BI 0x79 /* @pcrel(sym + add), 21bit inst */ #define R_IA64_PCREL22 0x7a /* @pcrel(sym + add), 22bit inst */ #define R_IA64_PCREL64I 0x7b /* @pcrel(sym + add), 64bit inst */ #define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */ #define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */ #define R_IA64_COPY 0x84 /* copy relocation */ #define R_IA64_SUB 0x85 /* Addend and symbol difference */ #define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */ #define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */ #define R_IA64_TPREL14 0x91 /* @tprel(sym + add), imm14 */ #define R_IA64_TPREL22 0x92 /* @tprel(sym + add), imm22 */ #define R_IA64_TPREL64I 0x93 /* @tprel(sym + add), imm64 */ #define R_IA64_TPREL64MSB 0x96 /* @tprel(sym + add), data8 MSB */ #define R_IA64_TPREL64LSB 0x97 /* @tprel(sym + add), data8 LSB */ #define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), imm2 */ #define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym + add), data8 MSB */ #define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym + add), data8 LSB */ #define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(sym + add)), imm22 */ #define R_IA64_DTPREL14 0xb1 /* @dtprel(sym + add), imm14 */ #define R_IA64_DTPREL22 0xb2 /* @dtprel(sym + add), imm22 */ #define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym + add), imm64 */ #define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym + add), data4 MSB */ #define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym + add), data4 LSB */ #define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym + add), data8 MSB */ #define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym + add), data8 LSB */ #define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */ /* SH specific declarations */ /* Processor specific flags for the ELF header e_flags field. */ #define EF_SH_MACH_MASK 0x1f #define EF_SH_UNKNOWN 0x0 #define EF_SH1 0x1 #define EF_SH2 0x2 #define EF_SH3 0x3 #define EF_SH_DSP 0x4 #define EF_SH3_DSP 0x5 #define EF_SH4AL_DSP 0x6 #define EF_SH3E 0x8 #define EF_SH4 0x9 #define EF_SH2E 0xb #define EF_SH4A 0xc #define EF_SH2A 0xd #define EF_SH4_NOFPU 0x10 #define EF_SH4A_NOFPU 0x11 #define EF_SH4_NOMMU_NOFPU 0x12 #define EF_SH2A_NOFPU 0x13 #define EF_SH3_NOMMU 0x14 #define EF_SH2A_SH4_NOFPU 0x15 #define EF_SH2A_SH3_NOFPU 0x16 #define EF_SH2A_SH4 0x17 #define EF_SH2A_SH3E 0x18 /* SH relocs. */ #define R_SH_NONE 0 #define R_SH_DIR32 1 #define R_SH_REL32 2 #define R_SH_DIR8WPN 3 #define R_SH_IND12W 4 #define R_SH_DIR8WPL 5 #define R_SH_DIR8WPZ 6 #define R_SH_DIR8BP 7 #define R_SH_DIR8W 8 #define R_SH_DIR8L 9 #define R_SH_SWITCH16 25 #define R_SH_SWITCH32 26 #define R_SH_USES 27 #define R_SH_COUNT 28 #define R_SH_ALIGN 29 #define R_SH_CODE 30 #define R_SH_DATA 31 #define R_SH_LABEL 32 #define R_SH_SWITCH8 33 #define R_SH_GNU_VTINHERIT 34 #define R_SH_GNU_VTENTRY 35 #define R_SH_TLS_GD_32 144 #define R_SH_TLS_LD_32 145 #define R_SH_TLS_LDO_32 146 #define R_SH_TLS_IE_32 147 #define R_SH_TLS_LE_32 148 #define R_SH_TLS_DTPMOD32 149 #define R_SH_TLS_DTPOFF32 150 #define R_SH_TLS_TPOFF32 151 #define R_SH_GOT32 160 #define R_SH_PLT32 161 #define R_SH_COPY 162 #define R_SH_GLOB_DAT 163 #define R_SH_JMP_SLOT 164 #define R_SH_RELATIVE 165 #define R_SH_GOTOFF 166 #define R_SH_GOTPC 167 /* Keep this the last entry. */ #define R_SH_NUM 256 /* S/390 specific definitions. */ /* Valid values for the e_flags field. */ #define EF_S390_HIGH_GPRS 0x00000001 /* High GPRs kernel facility needed. */ /* Additional s390 relocs */ #define R_390_NONE 0 /* No reloc. */ #define R_390_8 1 /* Direct 8 bit. */ #define R_390_12 2 /* Direct 12 bit. */ #define R_390_16 3 /* Direct 16 bit. */ #define R_390_32 4 /* Direct 32 bit. */ #define R_390_PC32 5 /* PC relative 32 bit. */ #define R_390_GOT12 6 /* 12 bit GOT offset. */ #define R_390_GOT32 7 /* 32 bit GOT offset. */ #define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ #define R_390_COPY 9 /* Copy symbol at runtime. */ #define R_390_GLOB_DAT 10 /* Create GOT entry. */ #define R_390_JMP_SLOT 11 /* Create PLT entry. */ #define R_390_RELATIVE 12 /* Adjust by program base. */ #define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ #define R_390_GOTPC 14 /* 32 bit PC relative offset to GOT. */ #define R_390_GOT16 15 /* 16 bit GOT offset. */ #define R_390_PC16 16 /* PC relative 16 bit. */ #define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ #define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ #define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ #define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ #define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ #define R_390_64 22 /* Direct 64 bit. */ #define R_390_PC64 23 /* PC relative 64 bit. */ #define R_390_GOT64 24 /* 64 bit GOT offset. */ #define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ #define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ #define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ #define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ #define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ #define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ #define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ #define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ #define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ #define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ #define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ #define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ #define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ #define R_390_TLS_GDCALL 38 /* Tag for function call in general dynamic TLS code. */ #define R_390_TLS_LDCALL 39 /* Tag for function call in local dynamic TLS code. */ #define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic thread local data. */ #define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic thread local data. */ #define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS block offset. */ #define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS block offset. */ #define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS block offset. */ #define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic thread local data in LE code. */ #define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic thread local data in LE code. */ #define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for negated static TLS block offset. */ #define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for negated static TLS block offset. */ #define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for negated static TLS block offset. */ #define R_390_TLS_LE32 50 /* 32 bit negated offset relative to static TLS block. */ #define R_390_TLS_LE64 51 /* 64 bit negated offset relative to static TLS block. */ #define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS block. */ #define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS block. */ #define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ #define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ #define R_390_TLS_TPOFF 56 /* Negated offset in static TLS block. */ #define R_390_20 57 /* Direct 20 bit. */ #define R_390_GOT20 58 /* 20 bit GOT offset. */ #define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */ #define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS block offset. */ #define R_390_IRELATIVE 61 /* STT_GNU_IFUNC relocation. */ /* Keep this the last entry. */ #define R_390_NUM 62 /* CRIS relocations. */ #define R_CRIS_NONE 0 #define R_CRIS_8 1 #define R_CRIS_16 2 #define R_CRIS_32 3 #define R_CRIS_8_PCREL 4 #define R_CRIS_16_PCREL 5 #define R_CRIS_32_PCREL 6 #define R_CRIS_GNU_VTINHERIT 7 #define R_CRIS_GNU_VTENTRY 8 #define R_CRIS_COPY 9 #define R_CRIS_GLOB_DAT 10 #define R_CRIS_JUMP_SLOT 11 #define R_CRIS_RELATIVE 12 #define R_CRIS_16_GOT 13 #define R_CRIS_32_GOT 14 #define R_CRIS_16_GOTPLT 15 #define R_CRIS_32_GOTPLT 16 #define R_CRIS_32_GOTREL 17 #define R_CRIS_32_PLT_GOTREL 18 #define R_CRIS_32_PLT_PCREL 19 #define R_CRIS_NUM 20 /* AMD x86-64 relocations. */ #define R_X86_64_NONE 0 /* No reloc */ #define R_X86_64_64 1 /* Direct 64 bit */ #define R_X86_64_PC32 2 /* PC relative 32 bit signed */ #define R_X86_64_GOT32 3 /* 32 bit GOT entry */ #define R_X86_64_PLT32 4 /* 32 bit PLT address */ #define R_X86_64_COPY 5 /* Copy symbol at runtime */ #define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ #define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ #define R_X86_64_RELATIVE 8 /* Adjust by program base */ #define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative offset to GOT */ #define R_X86_64_32 10 /* Direct 32 bit zero extended */ #define R_X86_64_32S 11 /* Direct 32 bit sign extended */ #define R_X86_64_16 12 /* Direct 16 bit zero extended */ #define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ #define R_X86_64_8 14 /* Direct 8 bit sign extended */ #define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ #define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ #define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */ #define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */ #define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset to two GOT entries for GD symbol */ #define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset to two GOT entries for LD symbol */ #define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ #define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset to GOT entry for IE symbol */ #define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */ #define R_X86_64_PC64 24 /* PC relative 64 bit */ #define R_X86_64_GOTOFF64 25 /* 64 bit offset to GOT */ #define R_X86_64_GOTPC32 26 /* 32 bit signed pc relative offset to GOT */ #define R_X86_64_GOT64 27 /* 64-bit GOT entry offset */ #define R_X86_64_GOTPCREL64 28 /* 64-bit PC relative offset to GOT entry */ #define R_X86_64_GOTPC64 29 /* 64-bit PC relative offset to GOT */ #define R_X86_64_GOTPLT64 30 /* like GOT64, says PLT entry needed */ #define R_X86_64_PLTOFF64 31 /* 64-bit GOT relative offset to PLT entry */ #define R_X86_64_SIZE32 32 /* Size of symbol plus 32-bit addend */ #define R_X86_64_SIZE64 33 /* Size of symbol plus 64-bit addend */ #define R_X86_64_GOTPC32_TLSDESC 34 /* GOT offset for TLS descriptor. */ #define R_X86_64_TLSDESC_CALL 35 /* Marker for call through TLS descriptor. */ #define R_X86_64_TLSDESC 36 /* TLS descriptor. */ #define R_X86_64_IRELATIVE 37 /* Adjust indirectly by program base */ #define R_X86_64_RELATIVE64 38 /* 64-bit adjust by program base */ /* 39 Reserved was R_X86_64_PC32_BND */ /* 40 Reserved was R_X86_64_PLT32_BND */ #define R_X86_64_GOTPCRELX 41 /* Load from 32 bit signed pc relative offset to GOT entry without REX prefix, relaxable. */ #define R_X86_64_REX_GOTPCRELX 42 /* Load from 32 bit signed pc relative offset to GOT entry with REX prefix, relaxable. */ #define R_X86_64_NUM 43 /* x86-64 sh_type values. */ #define SHT_X86_64_UNWIND 0x70000001 /* Unwind information. */ /* AM33 relocations. */ #define R_MN10300_NONE 0 /* No reloc. */ #define R_MN10300_32 1 /* Direct 32 bit. */ #define R_MN10300_16 2 /* Direct 16 bit. */ #define R_MN10300_8 3 /* Direct 8 bit. */ #define R_MN10300_PCREL32 4 /* PC-relative 32-bit. */ #define R_MN10300_PCREL16 5 /* PC-relative 16-bit signed. */ #define R_MN10300_PCREL8 6 /* PC-relative 8-bit signed. */ #define R_MN10300_GNU_VTINHERIT 7 /* Ancient C++ vtable garbage... */ #define R_MN10300_GNU_VTENTRY 8 /* ... collection annotation. */ #define R_MN10300_24 9 /* Direct 24 bit. */ #define R_MN10300_GOTPC32 10 /* 32-bit PCrel offset to GOT. */ #define R_MN10300_GOTPC16 11 /* 16-bit PCrel offset to GOT. */ #define R_MN10300_GOTOFF32 12 /* 32-bit offset from GOT. */ #define R_MN10300_GOTOFF24 13 /* 24-bit offset from GOT. */ #define R_MN10300_GOTOFF16 14 /* 16-bit offset from GOT. */ #define R_MN10300_PLT32 15 /* 32-bit PCrel to PLT entry. */ #define R_MN10300_PLT16 16 /* 16-bit PCrel to PLT entry. */ #define R_MN10300_GOT32 17 /* 32-bit offset to GOT entry. */ #define R_MN10300_GOT24 18 /* 24-bit offset to GOT entry. */ #define R_MN10300_GOT16 19 /* 16-bit offset to GOT entry. */ #define R_MN10300_COPY 20 /* Copy symbol at runtime. */ #define R_MN10300_GLOB_DAT 21 /* Create GOT entry. */ #define R_MN10300_JMP_SLOT 22 /* Create PLT entry. */ #define R_MN10300_RELATIVE 23 /* Adjust by program base. */ #define R_MN10300_TLS_GD 24 /* 32-bit offset for global dynamic. */ #define R_MN10300_TLS_LD 25 /* 32-bit offset for local dynamic. */ #define R_MN10300_TLS_LDO 26 /* Module-relative offset. */ #define R_MN10300_TLS_GOTIE 27 /* GOT offset for static TLS block offset. */ #define R_MN10300_TLS_IE 28 /* GOT address for static TLS block offset. */ #define R_MN10300_TLS_LE 29 /* Offset relative to static TLS block. */ #define R_MN10300_TLS_DTPMOD 30 /* ID of module containing symbol. */ #define R_MN10300_TLS_DTPOFF 31 /* Offset in module TLS block. */ #define R_MN10300_TLS_TPOFF 32 /* Offset in static TLS block. */ #define R_MN10300_SYM_DIFF 33 /* Adjustment for next reloc as needed by linker relaxation. */ #define R_MN10300_ALIGN 34 /* Alignment requirement for linker relaxation. */ #define R_MN10300_NUM 35 /* M32R relocs. */ #define R_M32R_NONE 0 /* No reloc. */ #define R_M32R_16 1 /* Direct 16 bit. */ #define R_M32R_32 2 /* Direct 32 bit. */ #define R_M32R_24 3 /* Direct 24 bit. */ #define R_M32R_10_PCREL 4 /* PC relative 10 bit shifted. */ #define R_M32R_18_PCREL 5 /* PC relative 18 bit shifted. */ #define R_M32R_26_PCREL 6 /* PC relative 26 bit shifted. */ #define R_M32R_HI16_ULO 7 /* High 16 bit with unsigned low. */ #define R_M32R_HI16_SLO 8 /* High 16 bit with signed low. */ #define R_M32R_LO16 9 /* Low 16 bit. */ #define R_M32R_SDA16 10 /* 16 bit offset in SDA. */ #define R_M32R_GNU_VTINHERIT 11 #define R_M32R_GNU_VTENTRY 12 /* M32R relocs use SHT_RELA. */ #define R_M32R_16_RELA 33 /* Direct 16 bit. */ #define R_M32R_32_RELA 34 /* Direct 32 bit. */ #define R_M32R_24_RELA 35 /* Direct 24 bit. */ #define R_M32R_10_PCREL_RELA 36 /* PC relative 10 bit shifted. */ #define R_M32R_18_PCREL_RELA 37 /* PC relative 18 bit shifted. */ #define R_M32R_26_PCREL_RELA 38 /* PC relative 26 bit shifted. */ #define R_M32R_HI16_ULO_RELA 39 /* High 16 bit with unsigned low */ #define R_M32R_HI16_SLO_RELA 40 /* High 16 bit with signed low */ #define R_M32R_LO16_RELA 41 /* Low 16 bit */ #define R_M32R_SDA16_RELA 42 /* 16 bit offset in SDA */ #define R_M32R_RELA_GNU_VTINHERIT 43 #define R_M32R_RELA_GNU_VTENTRY 44 #define R_M32R_REL32 45 /* PC relative 32 bit. */ #define R_M32R_GOT24 48 /* 24 bit GOT entry */ #define R_M32R_26_PLTREL 49 /* 26 bit PC relative to PLT shifted */ #define R_M32R_COPY 50 /* Copy symbol at runtime */ #define R_M32R_GLOB_DAT 51 /* Create GOT entry */ #define R_M32R_JMP_SLOT 52 /* Create PLT entry */ #define R_M32R_RELATIVE 53 /* Adjust by program base */ #define R_M32R_GOTOFF 54 /* 24 bit offset to GOT */ #define R_M32R_GOTPC24 55 /* 24 bit PC relative offset to GOT */ #define R_M32R_GOT16_HI_ULO 56 /* High 16 bit GOT entry with unsigned low */ #define R_M32R_GOT16_HI_SLO 57 /* High 16 bit GOT entry with signed low */ #define R_M32R_GOT16_LO 58 /* Low 16 bit GOT entry */ #define R_M32R_GOTPC_HI_ULO 59 /* High 16 bit PC relative offset to GOT with unsigned low */ #define R_M32R_GOTPC_HI_SLO 60 /* High 16 bit PC relative offset to GOT with signed low */ #define R_M32R_GOTPC_LO 61 /* Low 16 bit PC relative offset to GOT */ #define R_M32R_GOTOFF_HI_ULO 62 /* High 16 bit offset to GOT with unsigned low */ #define R_M32R_GOTOFF_HI_SLO 63 /* High 16 bit offset to GOT with signed low */ #define R_M32R_GOTOFF_LO 64 /* Low 16 bit offset to GOT */ #define R_M32R_NUM 256 /* Keep this the last entry. */ /* MicroBlaze relocations */ #define R_MICROBLAZE_NONE 0 /* No reloc. */ #define R_MICROBLAZE_32 1 /* Direct 32 bit. */ #define R_MICROBLAZE_32_PCREL 2 /* PC relative 32 bit. */ #define R_MICROBLAZE_64_PCREL 3 /* PC relative 64 bit. */ #define R_MICROBLAZE_32_PCREL_LO 4 /* Low 16 bits of PCREL32. */ #define R_MICROBLAZE_64 5 /* Direct 64 bit. */ #define R_MICROBLAZE_32_LO 6 /* Low 16 bit. */ #define R_MICROBLAZE_SRO32 7 /* Read-only small data area. */ #define R_MICROBLAZE_SRW32 8 /* Read-write small data area. */ #define R_MICROBLAZE_64_NONE 9 /* No reloc. */ #define R_MICROBLAZE_32_SYM_OP_SYM 10 /* Symbol Op Symbol relocation. */ #define R_MICROBLAZE_GNU_VTINHERIT 11 /* GNU C++ vtable hierarchy. */ #define R_MICROBLAZE_GNU_VTENTRY 12 /* GNU C++ vtable member usage. */ #define R_MICROBLAZE_GOTPC_64 13 /* PC-relative GOT offset. */ #define R_MICROBLAZE_GOT_64 14 /* GOT entry offset. */ #define R_MICROBLAZE_PLT_64 15 /* PLT offset (PC-relative). */ #define R_MICROBLAZE_REL 16 /* Adjust by program base. */ #define R_MICROBLAZE_JUMP_SLOT 17 /* Create PLT entry. */ #define R_MICROBLAZE_GLOB_DAT 18 /* Create GOT entry. */ #define R_MICROBLAZE_GOTOFF_64 19 /* 64 bit offset to GOT. */ #define R_MICROBLAZE_GOTOFF_32 20 /* 32 bit offset to GOT. */ #define R_MICROBLAZE_COPY 21 /* Runtime copy. */ #define R_MICROBLAZE_TLS 22 /* TLS Reloc. */ #define R_MICROBLAZE_TLSGD 23 /* TLS General Dynamic. */ #define R_MICROBLAZE_TLSLD 24 /* TLS Local Dynamic. */ #define R_MICROBLAZE_TLSDTPMOD32 25 /* TLS Module ID. */ #define R_MICROBLAZE_TLSDTPREL32 26 /* TLS Offset Within TLS Block. */ #define R_MICROBLAZE_TLSDTPREL64 27 /* TLS Offset Within TLS Block. */ #define R_MICROBLAZE_TLSGOTTPREL32 28 /* TLS Offset From Thread Pointer. */ #define R_MICROBLAZE_TLSTPREL32 29 /* TLS Offset From Thread Pointer. */ /* Legal values for d_tag (dynamic entry type). */ #define DT_NIOS2_GP 0x70000002 /* Address of _gp. */ /* Nios II relocations. */ #define R_NIOS2_NONE 0 /* No reloc. */ #define R_NIOS2_S16 1 /* Direct signed 16 bit. */ #define R_NIOS2_U16 2 /* Direct unsigned 16 bit. */ #define R_NIOS2_PCREL16 3 /* PC relative 16 bit. */ #define R_NIOS2_CALL26 4 /* Direct call. */ #define R_NIOS2_IMM5 5 /* 5 bit constant expression. */ #define R_NIOS2_CACHE_OPX 6 /* 5 bit expression, shift 22. */ #define R_NIOS2_IMM6 7 /* 6 bit constant expression. */ #define R_NIOS2_IMM8 8 /* 8 bit constant expression. */ #define R_NIOS2_HI16 9 /* High 16 bit. */ #define R_NIOS2_LO16 10 /* Low 16 bit. */ #define R_NIOS2_HIADJ16 11 /* High 16 bit, adjusted. */ #define R_NIOS2_BFD_RELOC_32 12 /* 32 bit symbol value + addend. */ #define R_NIOS2_BFD_RELOC_16 13 /* 16 bit symbol value + addend. */ #define R_NIOS2_BFD_RELOC_8 14 /* 8 bit symbol value + addend. */ #define R_NIOS2_GPREL 15 /* 16 bit GP pointer offset. */ #define R_NIOS2_GNU_VTINHERIT 16 /* GNU C++ vtable hierarchy. */ #define R_NIOS2_GNU_VTENTRY 17 /* GNU C++ vtable member usage. */ #define R_NIOS2_UJMP 18 /* Unconditional branch. */ #define R_NIOS2_CJMP 19 /* Conditional branch. */ #define R_NIOS2_CALLR 20 /* Indirect call through register. */ #define R_NIOS2_ALIGN 21 /* Alignment requirement for linker relaxation. */ #define R_NIOS2_GOT16 22 /* 16 bit GOT entry. */ #define R_NIOS2_CALL16 23 /* 16 bit GOT entry for function. */ #define R_NIOS2_GOTOFF_LO 24 /* %lo of offset to GOT pointer. */ #define R_NIOS2_GOTOFF_HA 25 /* %hiadj of offset to GOT pointer. */ #define R_NIOS2_PCREL_LO 26 /* %lo of PC relative offset. */ #define R_NIOS2_PCREL_HA 27 /* %hiadj of PC relative offset. */ #define R_NIOS2_TLS_GD16 28 /* 16 bit GOT offset for TLS GD. */ #define R_NIOS2_TLS_LDM16 29 /* 16 bit GOT offset for TLS LDM. */ #define R_NIOS2_TLS_LDO16 30 /* 16 bit module relative offset. */ #define R_NIOS2_TLS_IE16 31 /* 16 bit GOT offset for TLS IE. */ #define R_NIOS2_TLS_LE16 32 /* 16 bit LE TP-relative offset. */ #define R_NIOS2_TLS_DTPMOD 33 /* Module number. */ #define R_NIOS2_TLS_DTPREL 34 /* Module-relative offset. */ #define R_NIOS2_TLS_TPREL 35 /* TP-relative offset. */ #define R_NIOS2_COPY 36 /* Copy symbol at runtime. */ #define R_NIOS2_GLOB_DAT 37 /* Create GOT entry. */ #define R_NIOS2_JUMP_SLOT 38 /* Create PLT entry. */ #define R_NIOS2_RELATIVE 39 /* Adjust by program base. */ #define R_NIOS2_GOTOFF 40 /* 16 bit offset to GOT pointer. */ #define R_NIOS2_CALL26_NOAT 41 /* Direct call in .noat section. */ #define R_NIOS2_GOT_LO 42 /* %lo() of GOT entry. */ #define R_NIOS2_GOT_HA 43 /* %hiadj() of GOT entry. */ #define R_NIOS2_CALL_LO 44 /* %lo() of function GOT entry. */ #define R_NIOS2_CALL_HA 45 /* %hiadj() of function GOT entry. */ /* TILEPro relocations. */ #define R_TILEPRO_NONE 0 /* No reloc */ #define R_TILEPRO_32 1 /* Direct 32 bit */ #define R_TILEPRO_16 2 /* Direct 16 bit */ #define R_TILEPRO_8 3 /* Direct 8 bit */ #define R_TILEPRO_32_PCREL 4 /* PC relative 32 bit */ #define R_TILEPRO_16_PCREL 5 /* PC relative 16 bit */ #define R_TILEPRO_8_PCREL 6 /* PC relative 8 bit */ #define R_TILEPRO_LO16 7 /* Low 16 bit */ #define R_TILEPRO_HI16 8 /* High 16 bit */ #define R_TILEPRO_HA16 9 /* High 16 bit, adjusted */ #define R_TILEPRO_COPY 10 /* Copy relocation */ #define R_TILEPRO_GLOB_DAT 11 /* Create GOT entry */ #define R_TILEPRO_JMP_SLOT 12 /* Create PLT entry */ #define R_TILEPRO_RELATIVE 13 /* Adjust by program base */ #define R_TILEPRO_BROFF_X1 14 /* X1 pipe branch offset */ #define R_TILEPRO_JOFFLONG_X1 15 /* X1 pipe jump offset */ #define R_TILEPRO_JOFFLONG_X1_PLT 16 /* X1 pipe jump offset to PLT */ #define R_TILEPRO_IMM8_X0 17 /* X0 pipe 8-bit */ #define R_TILEPRO_IMM8_Y0 18 /* Y0 pipe 8-bit */ #define R_TILEPRO_IMM8_X1 19 /* X1 pipe 8-bit */ #define R_TILEPRO_IMM8_Y1 20 /* Y1 pipe 8-bit */ #define R_TILEPRO_MT_IMM15_X1 21 /* X1 pipe mtspr */ #define R_TILEPRO_MF_IMM15_X1 22 /* X1 pipe mfspr */ #define R_TILEPRO_IMM16_X0 23 /* X0 pipe 16-bit */ #define R_TILEPRO_IMM16_X1 24 /* X1 pipe 16-bit */ #define R_TILEPRO_IMM16_X0_LO 25 /* X0 pipe low 16-bit */ #define R_TILEPRO_IMM16_X1_LO 26 /* X1 pipe low 16-bit */ #define R_TILEPRO_IMM16_X0_HI 27 /* X0 pipe high 16-bit */ #define R_TILEPRO_IMM16_X1_HI 28 /* X1 pipe high 16-bit */ #define R_TILEPRO_IMM16_X0_HA 29 /* X0 pipe high 16-bit, adjusted */ #define R_TILEPRO_IMM16_X1_HA 30 /* X1 pipe high 16-bit, adjusted */ #define R_TILEPRO_IMM16_X0_PCREL 31 /* X0 pipe PC relative 16 bit */ #define R_TILEPRO_IMM16_X1_PCREL 32 /* X1 pipe PC relative 16 bit */ #define R_TILEPRO_IMM16_X0_LO_PCREL 33 /* X0 pipe PC relative low 16 bit */ #define R_TILEPRO_IMM16_X1_LO_PCREL 34 /* X1 pipe PC relative low 16 bit */ #define R_TILEPRO_IMM16_X0_HI_PCREL 35 /* X0 pipe PC relative high 16 bit */ #define R_TILEPRO_IMM16_X1_HI_PCREL 36 /* X1 pipe PC relative high 16 bit */ #define R_TILEPRO_IMM16_X0_HA_PCREL 37 /* X0 pipe PC relative ha() 16 bit */ #define R_TILEPRO_IMM16_X1_HA_PCREL 38 /* X1 pipe PC relative ha() 16 bit */ #define R_TILEPRO_IMM16_X0_GOT 39 /* X0 pipe 16-bit GOT offset */ #define R_TILEPRO_IMM16_X1_GOT 40 /* X1 pipe 16-bit GOT offset */ #define R_TILEPRO_IMM16_X0_GOT_LO 41 /* X0 pipe low 16-bit GOT offset */ #define R_TILEPRO_IMM16_X1_GOT_LO 42 /* X1 pipe low 16-bit GOT offset */ #define R_TILEPRO_IMM16_X0_GOT_HI 43 /* X0 pipe high 16-bit GOT offset */ #define R_TILEPRO_IMM16_X1_GOT_HI 44 /* X1 pipe high 16-bit GOT offset */ #define R_TILEPRO_IMM16_X0_GOT_HA 45 /* X0 pipe ha() 16-bit GOT offset */ #define R_TILEPRO_IMM16_X1_GOT_HA 46 /* X1 pipe ha() 16-bit GOT offset */ #define R_TILEPRO_MMSTART_X0 47 /* X0 pipe mm "start" */ #define R_TILEPRO_MMEND_X0 48 /* X0 pipe mm "end" */ #define R_TILEPRO_MMSTART_X1 49 /* X1 pipe mm "start" */ #define R_TILEPRO_MMEND_X1 50 /* X1 pipe mm "end" */ #define R_TILEPRO_SHAMT_X0 51 /* X0 pipe shift amount */ #define R_TILEPRO_SHAMT_X1 52 /* X1 pipe shift amount */ #define R_TILEPRO_SHAMT_Y0 53 /* Y0 pipe shift amount */ #define R_TILEPRO_SHAMT_Y1 54 /* Y1 pipe shift amount */ #define R_TILEPRO_DEST_IMM8_X1 55 /* X1 pipe destination 8-bit */ /* Relocs 56-59 are currently not defined. */ #define R_TILEPRO_TLS_GD_CALL 60 /* "jal" for TLS GD */ #define R_TILEPRO_IMM8_X0_TLS_GD_ADD 61 /* X0 pipe "addi" for TLS GD */ #define R_TILEPRO_IMM8_X1_TLS_GD_ADD 62 /* X1 pipe "addi" for TLS GD */ #define R_TILEPRO_IMM8_Y0_TLS_GD_ADD 63 /* Y0 pipe "addi" for TLS GD */ #define R_TILEPRO_IMM8_Y1_TLS_GD_ADD 64 /* Y1 pipe "addi" for TLS GD */ #define R_TILEPRO_TLS_IE_LOAD 65 /* "lw_tls" for TLS IE */ #define R_TILEPRO_IMM16_X0_TLS_GD 66 /* X0 pipe 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X1_TLS_GD 67 /* X1 pipe 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X0_TLS_GD_LO 68 /* X0 pipe low 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X1_TLS_GD_LO 69 /* X1 pipe low 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X0_TLS_GD_HI 70 /* X0 pipe high 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X1_TLS_GD_HI 71 /* X1 pipe high 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X0_TLS_GD_HA 72 /* X0 pipe ha() 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X1_TLS_GD_HA 73 /* X1 pipe ha() 16-bit TLS GD offset */ #define R_TILEPRO_IMM16_X0_TLS_IE 74 /* X0 pipe 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X1_TLS_IE 75 /* X1 pipe 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X0_TLS_IE_LO 76 /* X0 pipe low 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X1_TLS_IE_LO 77 /* X1 pipe low 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X0_TLS_IE_HI 78 /* X0 pipe high 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X1_TLS_IE_HI 79 /* X1 pipe high 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X0_TLS_IE_HA 80 /* X0 pipe ha() 16-bit TLS IE offset */ #define R_TILEPRO_IMM16_X1_TLS_IE_HA 81 /* X1 pipe ha() 16-bit TLS IE offset */ #define R_TILEPRO_TLS_DTPMOD32 82 /* ID of module containing symbol */ #define R_TILEPRO_TLS_DTPOFF32 83 /* Offset in TLS block */ #define R_TILEPRO_TLS_TPOFF32 84 /* Offset in static TLS block */ #define R_TILEPRO_IMM16_X0_TLS_LE 85 /* X0 pipe 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X1_TLS_LE 86 /* X1 pipe 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X0_TLS_LE_LO 87 /* X0 pipe low 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X1_TLS_LE_LO 88 /* X1 pipe low 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X0_TLS_LE_HI 89 /* X0 pipe high 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X1_TLS_LE_HI 90 /* X1 pipe high 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X0_TLS_LE_HA 91 /* X0 pipe ha() 16-bit TLS LE offset */ #define R_TILEPRO_IMM16_X1_TLS_LE_HA 92 /* X1 pipe ha() 16-bit TLS LE offset */ #define R_TILEPRO_GNU_VTINHERIT 128 /* GNU C++ vtable hierarchy */ #define R_TILEPRO_GNU_VTENTRY 129 /* GNU C++ vtable member usage */ #define R_TILEPRO_NUM 130 /* TILE-Gx relocations. */ #define R_TILEGX_NONE 0 /* No reloc */ #define R_TILEGX_64 1 /* Direct 64 bit */ #define R_TILEGX_32 2 /* Direct 32 bit */ #define R_TILEGX_16 3 /* Direct 16 bit */ #define R_TILEGX_8 4 /* Direct 8 bit */ #define R_TILEGX_64_PCREL 5 /* PC relative 64 bit */ #define R_TILEGX_32_PCREL 6 /* PC relative 32 bit */ #define R_TILEGX_16_PCREL 7 /* PC relative 16 bit */ #define R_TILEGX_8_PCREL 8 /* PC relative 8 bit */ #define R_TILEGX_HW0 9 /* hword 0 16-bit */ #define R_TILEGX_HW1 10 /* hword 1 16-bit */ #define R_TILEGX_HW2 11 /* hword 2 16-bit */ #define R_TILEGX_HW3 12 /* hword 3 16-bit */ #define R_TILEGX_HW0_LAST 13 /* last hword 0 16-bit */ #define R_TILEGX_HW1_LAST 14 /* last hword 1 16-bit */ #define R_TILEGX_HW2_LAST 15 /* last hword 2 16-bit */ #define R_TILEGX_COPY 16 /* Copy relocation */ #define R_TILEGX_GLOB_DAT 17 /* Create GOT entry */ #define R_TILEGX_JMP_SLOT 18 /* Create PLT entry */ #define R_TILEGX_RELATIVE 19 /* Adjust by program base */ #define R_TILEGX_BROFF_X1 20 /* X1 pipe branch offset */ #define R_TILEGX_JUMPOFF_X1 21 /* X1 pipe jump offset */ #define R_TILEGX_JUMPOFF_X1_PLT 22 /* X1 pipe jump offset to PLT */ #define R_TILEGX_IMM8_X0 23 /* X0 pipe 8-bit */ #define R_TILEGX_IMM8_Y0 24 /* Y0 pipe 8-bit */ #define R_TILEGX_IMM8_X1 25 /* X1 pipe 8-bit */ #define R_TILEGX_IMM8_Y1 26 /* Y1 pipe 8-bit */ #define R_TILEGX_DEST_IMM8_X1 27 /* X1 pipe destination 8-bit */ #define R_TILEGX_MT_IMM14_X1 28 /* X1 pipe mtspr */ #define R_TILEGX_MF_IMM14_X1 29 /* X1 pipe mfspr */ #define R_TILEGX_MMSTART_X0 30 /* X0 pipe mm "start" */ #define R_TILEGX_MMEND_X0 31 /* X0 pipe mm "end" */ #define R_TILEGX_SHAMT_X0 32 /* X0 pipe shift amount */ #define R_TILEGX_SHAMT_X1 33 /* X1 pipe shift amount */ #define R_TILEGX_SHAMT_Y0 34 /* Y0 pipe shift amount */ #define R_TILEGX_SHAMT_Y1 35 /* Y1 pipe shift amount */ #define R_TILEGX_IMM16_X0_HW0 36 /* X0 pipe hword 0 */ #define R_TILEGX_IMM16_X1_HW0 37 /* X1 pipe hword 0 */ #define R_TILEGX_IMM16_X0_HW1 38 /* X0 pipe hword 1 */ #define R_TILEGX_IMM16_X1_HW1 39 /* X1 pipe hword 1 */ #define R_TILEGX_IMM16_X0_HW2 40 /* X0 pipe hword 2 */ #define R_TILEGX_IMM16_X1_HW2 41 /* X1 pipe hword 2 */ #define R_TILEGX_IMM16_X0_HW3 42 /* X0 pipe hword 3 */ #define R_TILEGX_IMM16_X1_HW3 43 /* X1 pipe hword 3 */ #define R_TILEGX_IMM16_X0_HW0_LAST 44 /* X0 pipe last hword 0 */ #define R_TILEGX_IMM16_X1_HW0_LAST 45 /* X1 pipe last hword 0 */ #define R_TILEGX_IMM16_X0_HW1_LAST 46 /* X0 pipe last hword 1 */ #define R_TILEGX_IMM16_X1_HW1_LAST 47 /* X1 pipe last hword 1 */ #define R_TILEGX_IMM16_X0_HW2_LAST 48 /* X0 pipe last hword 2 */ #define R_TILEGX_IMM16_X1_HW2_LAST 49 /* X1 pipe last hword 2 */ #define R_TILEGX_IMM16_X0_HW0_PCREL 50 /* X0 pipe PC relative hword 0 */ #define R_TILEGX_IMM16_X1_HW0_PCREL 51 /* X1 pipe PC relative hword 0 */ #define R_TILEGX_IMM16_X0_HW1_PCREL 52 /* X0 pipe PC relative hword 1 */ #define R_TILEGX_IMM16_X1_HW1_PCREL 53 /* X1 pipe PC relative hword 1 */ #define R_TILEGX_IMM16_X0_HW2_PCREL 54 /* X0 pipe PC relative hword 2 */ #define R_TILEGX_IMM16_X1_HW2_PCREL 55 /* X1 pipe PC relative hword 2 */ #define R_TILEGX_IMM16_X0_HW3_PCREL 56 /* X0 pipe PC relative hword 3 */ #define R_TILEGX_IMM16_X1_HW3_PCREL 57 /* X1 pipe PC relative hword 3 */ #define R_TILEGX_IMM16_X0_HW0_LAST_PCREL 58 /* X0 pipe PC-rel last hword 0 */ #define R_TILEGX_IMM16_X1_HW0_LAST_PCREL 59 /* X1 pipe PC-rel last hword 0 */ #define R_TILEGX_IMM16_X0_HW1_LAST_PCREL 60 /* X0 pipe PC-rel last hword 1 */ #define R_TILEGX_IMM16_X1_HW1_LAST_PCREL 61 /* X1 pipe PC-rel last hword 1 */ #define R_TILEGX_IMM16_X0_HW2_LAST_PCREL 62 /* X0 pipe PC-rel last hword 2 */ #define R_TILEGX_IMM16_X1_HW2_LAST_PCREL 63 /* X1 pipe PC-rel last hword 2 */ #define R_TILEGX_IMM16_X0_HW0_GOT 64 /* X0 pipe hword 0 GOT offset */ #define R_TILEGX_IMM16_X1_HW0_GOT 65 /* X1 pipe hword 0 GOT offset */ #define R_TILEGX_IMM16_X0_HW0_PLT_PCREL 66 /* X0 pipe PC-rel PLT hword 0 */ #define R_TILEGX_IMM16_X1_HW0_PLT_PCREL 67 /* X1 pipe PC-rel PLT hword 0 */ #define R_TILEGX_IMM16_X0_HW1_PLT_PCREL 68 /* X0 pipe PC-rel PLT hword 1 */ #define R_TILEGX_IMM16_X1_HW1_PLT_PCREL 69 /* X1 pipe PC-rel PLT hword 1 */ #define R_TILEGX_IMM16_X0_HW2_PLT_PCREL 70 /* X0 pipe PC-rel PLT hword 2 */ #define R_TILEGX_IMM16_X1_HW2_PLT_PCREL 71 /* X1 pipe PC-rel PLT hword 2 */ #define R_TILEGX_IMM16_X0_HW0_LAST_GOT 72 /* X0 pipe last hword 0 GOT offset */ #define R_TILEGX_IMM16_X1_HW0_LAST_GOT 73 /* X1 pipe last hword 0 GOT offset */ #define R_TILEGX_IMM16_X0_HW1_LAST_GOT 74 /* X0 pipe last hword 1 GOT offset */ #define R_TILEGX_IMM16_X1_HW1_LAST_GOT 75 /* X1 pipe last hword 1 GOT offset */ #define R_TILEGX_IMM16_X0_HW3_PLT_PCREL 76 /* X0 pipe PC-rel PLT hword 3 */ #define R_TILEGX_IMM16_X1_HW3_PLT_PCREL 77 /* X1 pipe PC-rel PLT hword 3 */ #define R_TILEGX_IMM16_X0_HW0_TLS_GD 78 /* X0 pipe hword 0 TLS GD offset */ #define R_TILEGX_IMM16_X1_HW0_TLS_GD 79 /* X1 pipe hword 0 TLS GD offset */ #define R_TILEGX_IMM16_X0_HW0_TLS_LE 80 /* X0 pipe hword 0 TLS LE offset */ #define R_TILEGX_IMM16_X1_HW0_TLS_LE 81 /* X1 pipe hword 0 TLS LE offset */ #define R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE 82 /* X0 pipe last hword 0 LE off */ #define R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE 83 /* X1 pipe last hword 0 LE off */ #define R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE 84 /* X0 pipe last hword 1 LE off */ #define R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE 85 /* X1 pipe last hword 1 LE off */ #define R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD 86 /* X0 pipe last hword 0 GD off */ #define R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD 87 /* X1 pipe last hword 0 GD off */ #define R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD 88 /* X0 pipe last hword 1 GD off */ #define R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD 89 /* X1 pipe last hword 1 GD off */ /* Relocs 90-91 are currently not defined. */ #define R_TILEGX_IMM16_X0_HW0_TLS_IE 92 /* X0 pipe hword 0 TLS IE offset */ #define R_TILEGX_IMM16_X1_HW0_TLS_IE 93 /* X1 pipe hword 0 TLS IE offset */ #define R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL 94 /* X0 pipe PC-rel PLT last hword 0 */ #define R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL 95 /* X1 pipe PC-rel PLT last hword 0 */ #define R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL 96 /* X0 pipe PC-rel PLT last hword 1 */ #define R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL 97 /* X1 pipe PC-rel PLT last hword 1 */ #define R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL 98 /* X0 pipe PC-rel PLT last hword 2 */ #define R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL 99 /* X1 pipe PC-rel PLT last hword 2 */ #define R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE 100 /* X0 pipe last hword 0 IE off */ #define R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE 101 /* X1 pipe last hword 0 IE off */ #define R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE 102 /* X0 pipe last hword 1 IE off */ #define R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE 103 /* X1 pipe last hword 1 IE off */ /* Relocs 104-105 are currently not defined. */ #define R_TILEGX_TLS_DTPMOD64 106 /* 64-bit ID of symbol's module */ #define R_TILEGX_TLS_DTPOFF64 107 /* 64-bit offset in TLS block */ #define R_TILEGX_TLS_TPOFF64 108 /* 64-bit offset in static TLS block */ #define R_TILEGX_TLS_DTPMOD32 109 /* 32-bit ID of symbol's module */ #define R_TILEGX_TLS_DTPOFF32 110 /* 32-bit offset in TLS block */ #define R_TILEGX_TLS_TPOFF32 111 /* 32-bit offset in static TLS block */ #define R_TILEGX_TLS_GD_CALL 112 /* "jal" for TLS GD */ #define R_TILEGX_IMM8_X0_TLS_GD_ADD 113 /* X0 pipe "addi" for TLS GD */ #define R_TILEGX_IMM8_X1_TLS_GD_ADD 114 /* X1 pipe "addi" for TLS GD */ #define R_TILEGX_IMM8_Y0_TLS_GD_ADD 115 /* Y0 pipe "addi" for TLS GD */ #define R_TILEGX_IMM8_Y1_TLS_GD_ADD 116 /* Y1 pipe "addi" for TLS GD */ #define R_TILEGX_TLS_IE_LOAD 117 /* "ld_tls" for TLS IE */ #define R_TILEGX_IMM8_X0_TLS_ADD 118 /* X0 pipe "addi" for TLS GD/IE */ #define R_TILEGX_IMM8_X1_TLS_ADD 119 /* X1 pipe "addi" for TLS GD/IE */ #define R_TILEGX_IMM8_Y0_TLS_ADD 120 /* Y0 pipe "addi" for TLS GD/IE */ #define R_TILEGX_IMM8_Y1_TLS_ADD 121 /* Y1 pipe "addi" for TLS GD/IE */ #define R_TILEGX_GNU_VTINHERIT 128 /* GNU C++ vtable hierarchy */ #define R_TILEGX_GNU_VTENTRY 129 /* GNU C++ vtable member usage */ #define R_TILEGX_NUM 130 /* RISC-V ELF Flags */ #define EF_RISCV_RVC 0x0001 #define EF_RISCV_FLOAT_ABI 0x0006 #define EF_RISCV_FLOAT_ABI_SOFT 0x0000 #define EF_RISCV_FLOAT_ABI_SINGLE 0x0002 #define EF_RISCV_FLOAT_ABI_DOUBLE 0x0004 #define EF_RISCV_FLOAT_ABI_QUAD 0x0006 #define EF_RISCV_RVE 0x0008 #define EF_RISCV_TSO 0x0010 /* RISC-V relocations. */ #define R_RISCV_NONE 0 #define R_RISCV_32 1 #define R_RISCV_64 2 #define R_RISCV_RELATIVE 3 #define R_RISCV_COPY 4 #define R_RISCV_JUMP_SLOT 5 #define R_RISCV_TLS_DTPMOD32 6 #define R_RISCV_TLS_DTPMOD64 7 #define R_RISCV_TLS_DTPREL32 8 #define R_RISCV_TLS_DTPREL64 9 #define R_RISCV_TLS_TPREL32 10 #define R_RISCV_TLS_TPREL64 11 #define R_RISCV_BRANCH 16 #define R_RISCV_JAL 17 #define R_RISCV_CALL 18 #define R_RISCV_CALL_PLT 19 #define R_RISCV_GOT_HI20 20 #define R_RISCV_TLS_GOT_HI20 21 #define R_RISCV_TLS_GD_HI20 22 #define R_RISCV_PCREL_HI20 23 #define R_RISCV_PCREL_LO12_I 24 #define R_RISCV_PCREL_LO12_S 25 #define R_RISCV_HI20 26 #define R_RISCV_LO12_I 27 #define R_RISCV_LO12_S 28 #define R_RISCV_TPREL_HI20 29 #define R_RISCV_TPREL_LO12_I 30 #define R_RISCV_TPREL_LO12_S 31 #define R_RISCV_TPREL_ADD 32 #define R_RISCV_ADD8 33 #define R_RISCV_ADD16 34 #define R_RISCV_ADD32 35 #define R_RISCV_ADD64 36 #define R_RISCV_SUB8 37 #define R_RISCV_SUB16 38 #define R_RISCV_SUB32 39 #define R_RISCV_SUB64 40 #define R_RISCV_GNU_VTINHERIT 41 #define R_RISCV_GNU_VTENTRY 42 #define R_RISCV_ALIGN 43 #define R_RISCV_RVC_BRANCH 44 #define R_RISCV_RVC_JUMP 45 #define R_RISCV_RVC_LUI 46 #define R_RISCV_GPREL_I 47 #define R_RISCV_GPREL_S 48 #define R_RISCV_TPREL_I 49 #define R_RISCV_TPREL_S 50 #define R_RISCV_RELAX 51 #define R_RISCV_SUB6 52 #define R_RISCV_SET6 53 #define R_RISCV_SET8 54 #define R_RISCV_SET16 55 #define R_RISCV_SET32 56 #define R_RISCV_32_PCREL 57 #define R_RISCV_IRELATIVE 58 #define R_RISCV_NUM 59 /* RISC-V specific values for the st_other field. */ #define STO_RISCV_VARIANT_CC 0x80 /* Function uses variant calling convention */ /* RISC-V specific values for the sh_type field. */ #define SHT_RISCV_ATTRIBUTES (SHT_LOPROC + 3) /* RISC-V specific values for the p_type field. */ #define PT_RISCV_ATTRIBUTES (PT_LOPROC + 3) /* RISC-V specific values for the d_tag field. */ #define DT_RISCV_VARIANT_CC (DT_LOPROC + 1) /* BPF specific declarations. */ #define R_BPF_NONE 0 /* No reloc */ #define R_BPF_64_64 1 #define R_BPF_64_32 10 /* Imagination Meta specific relocations. */ #define R_METAG_HIADDR16 0 #define R_METAG_LOADDR16 1 #define R_METAG_ADDR32 2 /* 32bit absolute address */ #define R_METAG_NONE 3 /* No reloc */ #define R_METAG_RELBRANCH 4 #define R_METAG_GETSETOFF 5 /* Backward compatibility */ #define R_METAG_REG32OP1 6 #define R_METAG_REG32OP2 7 #define R_METAG_REG32OP3 8 #define R_METAG_REG16OP1 9 #define R_METAG_REG16OP2 10 #define R_METAG_REG16OP3 11 #define R_METAG_REG32OP4 12 #define R_METAG_HIOG 13 #define R_METAG_LOOG 14 #define R_METAG_REL8 15 #define R_METAG_REL16 16 /* GNU */ #define R_METAG_GNU_VTINHERIT 30 #define R_METAG_GNU_VTENTRY 31 /* PIC relocations */ #define R_METAG_HI16_GOTOFF 32 #define R_METAG_LO16_GOTOFF 33 #define R_METAG_GETSET_GOTOFF 34 #define R_METAG_GETSET_GOT 35 #define R_METAG_HI16_GOTPC 36 #define R_METAG_LO16_GOTPC 37 #define R_METAG_HI16_PLT 38 #define R_METAG_LO16_PLT 39 #define R_METAG_RELBRANCH_PLT 40 #define R_METAG_GOTOFF 41 #define R_METAG_PLT 42 #define R_METAG_COPY 43 #define R_METAG_JMP_SLOT 44 #define R_METAG_RELATIVE 45 #define R_METAG_GLOB_DAT 46 /* TLS relocations */ #define R_METAG_TLS_GD 47 #define R_METAG_TLS_LDM 48 #define R_METAG_TLS_LDO_HI16 49 #define R_METAG_TLS_LDO_LO16 50 #define R_METAG_TLS_LDO 51 #define R_METAG_TLS_IE 52 #define R_METAG_TLS_IENONPIC 53 #define R_METAG_TLS_IENONPIC_HI16 54 #define R_METAG_TLS_IENONPIC_LO16 55 #define R_METAG_TLS_TPOFF 56 #define R_METAG_TLS_DTPMOD 57 #define R_METAG_TLS_DTPOFF 58 #define R_METAG_TLS_LE 59 #define R_METAG_TLS_LE_HI16 60 #define R_METAG_TLS_LE_LO16 61 /* NDS32 relocations. */ #define R_NDS32_NONE 0 #define R_NDS32_32_RELA 20 #define R_NDS32_COPY 39 #define R_NDS32_GLOB_DAT 40 #define R_NDS32_JMP_SLOT 41 #define R_NDS32_RELATIVE 42 #define R_NDS32_TLS_TPOFF 102 #define R_NDS32_TLS_DESC 119 /* LoongArch ELF Flags */ #define EF_LARCH_ABI_MODIFIER_MASK 0x07 #define EF_LARCH_ABI_SOFT_FLOAT 0x01 #define EF_LARCH_ABI_SINGLE_FLOAT 0x02 #define EF_LARCH_ABI_DOUBLE_FLOAT 0x03 #define EF_LARCH_OBJABI_V1 0x40 /* LoongArch specific dynamic relocations */ #define R_LARCH_NONE 0 #define R_LARCH_32 1 #define R_LARCH_64 2 #define R_LARCH_RELATIVE 3 #define R_LARCH_COPY 4 #define R_LARCH_JUMP_SLOT 5 #define R_LARCH_TLS_DTPMOD32 6 #define R_LARCH_TLS_DTPMOD64 7 #define R_LARCH_TLS_DTPREL32 8 #define R_LARCH_TLS_DTPREL64 9 #define R_LARCH_TLS_TPREL32 10 #define R_LARCH_TLS_TPREL64 11 #define R_LARCH_IRELATIVE 12 /* Reserved for future relocs that the dynamic linker must understand. */ /* used by the static linker for relocating .text. */ #define R_LARCH_MARK_LA 20 #define R_LARCH_MARK_PCREL 21 #define R_LARCH_SOP_PUSH_PCREL 22 #define R_LARCH_SOP_PUSH_ABSOLUTE 23 #define R_LARCH_SOP_PUSH_DUP 24 #define R_LARCH_SOP_PUSH_GPREL 25 #define R_LARCH_SOP_PUSH_TLS_TPREL 26 #define R_LARCH_SOP_PUSH_TLS_GOT 27 #define R_LARCH_SOP_PUSH_TLS_GD 28 #define R_LARCH_SOP_PUSH_PLT_PCREL 29 #define R_LARCH_SOP_ASSERT 30 #define R_LARCH_SOP_NOT 31 #define R_LARCH_SOP_SUB 32 #define R_LARCH_SOP_SL 33 #define R_LARCH_SOP_SR 34 #define R_LARCH_SOP_ADD 35 #define R_LARCH_SOP_AND 36 #define R_LARCH_SOP_IF_ELSE 37 #define R_LARCH_SOP_POP_32_S_10_5 38 #define R_LARCH_SOP_POP_32_U_10_12 39 #define R_LARCH_SOP_POP_32_S_10_12 40 #define R_LARCH_SOP_POP_32_S_10_16 41 #define R_LARCH_SOP_POP_32_S_10_16_S2 42 #define R_LARCH_SOP_POP_32_S_5_20 43 #define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 #define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 #define R_LARCH_SOP_POP_32_U 46 /* used by the static linker for relocating non .text. */ #define R_LARCH_ADD8 47 #define R_LARCH_ADD16 48 #define R_LARCH_ADD24 49 #define R_LARCH_ADD32 50 #define R_LARCH_ADD64 51 #define R_LARCH_SUB8 52 #define R_LARCH_SUB16 53 #define R_LARCH_SUB24 54 #define R_LARCH_SUB32 55 #define R_LARCH_SUB64 56 #define R_LARCH_GNU_VTINHERIT 57 #define R_LARCH_GNU_VTENTRY 58 /* ARCompact/ARCv2 specific relocs. */ #define R_ARC_NONE 0x0 #define R_ARC_8 0x1 #define R_ARC_16 0x2 #define R_ARC_24 0x3 #define R_ARC_32 0x4 #define R_ARC_B26 0x5 #define R_ARC_B22_PCREL 0x6 #define R_ARC_H30 0x7 #define R_ARC_N8 0x8 #define R_ARC_N16 0x9 #define R_ARC_N24 0xA #define R_ARC_N32 0xB #define R_ARC_SDA 0xC #define R_ARC_SECTOFF 0xD #define R_ARC_S21H_PCREL 0xE #define R_ARC_S21W_PCREL 0xF #define R_ARC_S25H_PCREL 0x10 #define R_ARC_S25W_PCREL 0x11 #define R_ARC_SDA32 0x12 #define R_ARC_SDA_LDST 0x13 #define R_ARC_SDA_LDST1 0x14 #define R_ARC_SDA_LDST2 0x15 #define R_ARC_SDA16_LD 0x16 #define R_ARC_SDA16_LD1 0x17 #define R_ARC_SDA16_LD2 0x18 #define R_ARC_S13_PCREL 0x19 #define R_ARC_W 0x1A #define R_ARC_32_ME 0x1B #define R_ARC_N32_ME 0x1C #define R_ARC_SECTOFF_ME 0x1D #define R_ARC_SDA32_ME 0x1E #define R_ARC_W_ME 0x1F #define R_ARC_H30_ME 0x20 #define R_ARC_SECTOFF_U8 0x21 #define R_ARC_SECTOFF_S9 0x22 #define R_AC_SECTOFF_U8 0x23 #define R_AC_SECTOFF_U8_1 0x24 #define R_AC_SECTOFF_U8_2 0x25 #define R_AC_SECTOFF_S9 0x26 #define R_AC_SECTOFF_S9_1 0x27 #define R_AC_SECTOFF_S9_2 0x28 #define R_ARC_SECTOFF_ME_1 0x29 #define R_ARC_SECTOFF_ME_2 0x2A #define R_ARC_SECTOFF_1 0x2B #define R_ARC_SECTOFF_2 0x2C #define R_ARC_PC32 0x32 #define R_ARC_GOTPC32 0x33 #define R_ARC_PLT32 0x34 #define R_ARC_COPY 0x35 #define R_ARC_GLOB_DAT 0x36 #define R_ARC_JUMP_SLOT 0x37 #define R_ARC_RELATIVE 0x38 #define R_ARC_GOTOFF 0x39 #define R_ARC_GOTPC 0x3A #define R_ARC_GOT32 0x3B #define R_ARC_TLS_DTPMOD 0x42 #define R_ARC_TLS_DTPOFF 0x43 #define R_ARC_TLS_TPOFF 0x44 #define R_ARC_TLS_GD_GOT 0x45 #define R_ARC_TLS_GD_LD 0x46 #define R_ARC_TLS_GD_CALL 0x47 #define R_ARC_TLS_IE_GOT 0x48 #define R_ARC_TLS_DTPOFF_S9 0x4a #define R_ARC_TLS_LE_S9 0x4a #define R_ARC_TLS_LE_32 0x4b /* OpenRISC 1000 specific relocs. */ #define R_OR1K_NONE 0 #define R_OR1K_32 1 #define R_OR1K_16 2 #define R_OR1K_8 3 #define R_OR1K_LO_16_IN_INSN 4 #define R_OR1K_HI_16_IN_INSN 5 #define R_OR1K_INSN_REL_26 6 #define R_OR1K_GNU_VTENTRY 7 #define R_OR1K_GNU_VTINHERIT 8 #define R_OR1K_32_PCREL 9 #define R_OR1K_16_PCREL 10 #define R_OR1K_8_PCREL 11 #define R_OR1K_GOTPC_HI16 12 #define R_OR1K_GOTPC_LO16 13 #define R_OR1K_GOT16 14 #define R_OR1K_PLT26 15 #define R_OR1K_GOTOFF_HI16 16 #define R_OR1K_GOTOFF_LO16 17 #define R_OR1K_COPY 18 #define R_OR1K_GLOB_DAT 19 #define R_OR1K_JMP_SLOT 20 #define R_OR1K_RELATIVE 21 #define R_OR1K_TLS_GD_HI16 22 #define R_OR1K_TLS_GD_LO16 23 #define R_OR1K_TLS_LDM_HI16 24 #define R_OR1K_TLS_LDM_LO16 25 #define R_OR1K_TLS_LDO_HI16 26 #define R_OR1K_TLS_LDO_LO16 27 #define R_OR1K_TLS_IE_HI16 28 #define R_OR1K_TLS_IE_LO16 29 #define R_OR1K_TLS_LE_HI16 30 #define R_OR1K_TLS_LE_LO16 31 #define R_OR1K_TLS_TPOFF 32 #define R_OR1K_TLS_DTPOFF 33 #define R_OR1K_TLS_DTPMOD 34 #endif /* elf.h */ patchelf-0.18.0/src/patchelf.cc000066400000000000000000002772771442121340000162670ustar00rootroot00000000000000/* * PatchELF is a utility to modify properties of ELF executables and libraries * Copyright (C) 2004-2016 Eelco Dolstra * * 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 . */ #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 "elf.h" #include "patchelf.h" #ifndef PACKAGE_STRING #define PACKAGE_STRING "patchelf" #endif // This is needed for Windows/mingw #ifndef O_BINARY #define O_BINARY 0 #endif static bool debugMode = false; static bool forceRPath = false; static std::vector fileNames; static std::string outputFileName; static bool alwaysWrite = false; #ifdef DEFAULT_PAGESIZE static int forcedPageSize = DEFAULT_PAGESIZE; #else static int forcedPageSize = -1; #endif #ifndef EM_LOONGARCH #define EM_LOONGARCH 258 #endif [[nodiscard]] static std::vector splitColonDelimitedString(std::string_view s) { std::vector parts; size_t pos; while ((pos = s.find(':')) != std::string_view::npos) { parts.emplace_back(s.substr(0, pos)); s = s.substr(pos + 1); } if (!s.empty()) parts.emplace_back(s); return parts; } static bool hasAllowedPrefix(const std::string & s, const std::vector & allowedPrefixes) { return std::any_of(allowedPrefixes.begin(), allowedPrefixes.end(), [&](const std::string & i) { return !s.compare(0, i.size(), i); }); } static std::string trim(std::string s) { s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); })); s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) { return !std::isspace(ch); }).base(), s.end()); return s; } static std::string downcase(std::string s) { std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c){ return std::tolower(c); }); return s; } /* !!! G++ creates broken code if this function is inlined, don't know why... */ template template constexpr I ElfFile::rdi(I i) const noexcept { I r = 0; if (littleEndian) { for (unsigned int n = 0; n < sizeof(I); ++n) { r |= ((I) *(((unsigned char *) &i) + n)) << (n * 8); } } else { for (unsigned int n = 0; n < sizeof(I); ++n) { r |= ((I) *(((unsigned char *) &i) + n)) << ((sizeof(I) - n - 1) * 8); } } return r; } static void debug(const char * format, ...) { if (debugMode) { va_list ap; va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap); } } static void fmt2([[maybe_unused]] std::ostringstream & out) { } template void fmt2(std::ostringstream & out, T x, Args... args) { out << x; fmt2(out, args...); } template std::string fmt(Args... args) { std::ostringstream out; fmt2(out, args...); return out.str(); } struct SysError : std::runtime_error { int errNo; explicit SysError(const std::string & msg) : std::runtime_error(fmt(msg + ": " + strerror(errno))) , errNo(errno) { } }; [[noreturn]] static void error(const std::string & msg) { if (errno) throw SysError(msg); throw std::runtime_error(msg); } static FileContents readFile(const std::string & fileName, size_t cutOff = std::numeric_limits::max()) { struct stat st; if (stat(fileName.c_str(), &st) != 0) throw SysError(fmt("getting info about '", fileName, "'")); if (static_cast(st.st_size) > static_cast(std::numeric_limits::max())) throw SysError(fmt("cannot read file of size ", st.st_size, " into memory")); size_t size = std::min(cutOff, static_cast(st.st_size)); FileContents contents = std::make_shared>(size); int fd = open(fileName.c_str(), O_RDONLY | O_BINARY); if (fd == -1) throw SysError(fmt("opening '", fileName, "'")); size_t bytesRead = 0; ssize_t portion; while ((portion = read(fd, contents->data() + bytesRead, size - bytesRead)) > 0) bytesRead += portion; close(fd); if (bytesRead != size) throw SysError(fmt("reading '", fileName, "'")); return contents; } struct ElfType { bool is32Bit; int machine; // one of EM_* }; [[nodiscard]] static ElfType getElfType(const FileContents & fileContents) { /* Check the ELF header for basic validity. */ if (fileContents->size() < sizeof(Elf32_Ehdr)) error("missing ELF header"); auto contents = fileContents->data(); if (memcmp(contents, ELFMAG, SELFMAG) != 0) error("not an ELF executable"); if (contents[EI_VERSION] != EV_CURRENT) error("unsupported ELF version"); if (contents[EI_CLASS] != ELFCLASS32 && contents[EI_CLASS] != ELFCLASS64) error("ELF executable is not 32 or 64 bit"); bool is32Bit = contents[EI_CLASS] == ELFCLASS32; // FIXME: endianness return ElfType { is32Bit, is32Bit ? (reinterpret_cast(contents))->e_machine : (reinterpret_cast(contents))->e_machine }; } static void checkPointer(const FileContents & contents, const void * p, size_t size) { if (p < contents->data() || size > contents->size() || p > contents->data() + contents->size() - size) error("data region extends past file end"); } static void checkOffset(const FileContents & contents, size_t offset, size_t size) { size_t end; if (offset > contents->size() || size > contents->size() || __builtin_add_overflow(offset, size, &end) || end > contents->size()) error("data offset extends past file end"); } static std::string extractString(const FileContents & contents, size_t offset, size_t size) { checkOffset(contents, offset, size); return { reinterpret_cast(contents->data()) + offset, size }; } template ElfFile::ElfFile(FileContents fContents) : fileContents(fContents) { /* Check the ELF header for basic validity. */ if (fileContents->size() < (off_t) sizeof(Elf_Ehdr)) error("missing ELF header"); if (memcmp(hdr()->e_ident, ELFMAG, SELFMAG) != 0) error("not an ELF executable"); littleEndian = hdr()->e_ident[EI_DATA] == ELFDATA2LSB; if (rdi(hdr()->e_type) != ET_EXEC && rdi(hdr()->e_type) != ET_DYN) error("wrong ELF type"); { auto ph_offset = rdi(hdr()->e_phoff); auto ph_num = rdi(hdr()->e_phnum); auto ph_entsize = rdi(hdr()->e_phentsize); size_t ph_size, ph_end; if (__builtin_mul_overflow(ph_num, ph_entsize, &ph_size) || __builtin_add_overflow(ph_offset, ph_size, &ph_end) || ph_end > fileContents->size()) { error("program header table out of bounds"); } } if (rdi(hdr()->e_shnum) == 0) error("no section headers. The input file is probably a statically linked, self-decompressing binary"); { auto sh_offset = rdi(hdr()->e_shoff); auto sh_num = rdi(hdr()->e_shnum); auto sh_entsize = rdi(hdr()->e_shentsize); size_t sh_size, sh_end; if (__builtin_mul_overflow(sh_num, sh_entsize, &sh_size) || __builtin_add_overflow(sh_offset, sh_size, &sh_end) || sh_end > fileContents->size()) { error("section header table out of bounds"); } } if (rdi(hdr()->e_phentsize) != sizeof(Elf_Phdr)) error("program headers have wrong size"); /* Copy the program and section headers. */ for (int i = 0; i < rdi(hdr()->e_phnum); ++i) { Elf_Phdr *phdr = (Elf_Phdr *) (fileContents->data() + rdi(hdr()->e_phoff)) + i; checkPointer(fileContents, phdr, sizeof(*phdr)); phdrs.push_back(*phdr); if (rdi(phdrs[i].p_type) == PT_INTERP) isExecutable = true; } for (int i = 0; i < rdi(hdr()->e_shnum); ++i) { Elf_Shdr *shdr = (Elf_Shdr *) (fileContents->data() + rdi(hdr()->e_shoff)) + i; checkPointer(fileContents, shdr, sizeof(*shdr)); shdrs.push_back(*shdr); } /* Get the section header string table section (".shstrtab"). Its index in the section header table is given by e_shstrndx field of the ELF header. */ auto shstrtabIndex = rdi(hdr()->e_shstrndx); if (shstrtabIndex >= shdrs.size()) error("string table index out of bounds"); auto shstrtabSize = rdi(shdrs[shstrtabIndex].sh_size); size_t shstrtabptr; if (__builtin_add_overflow(reinterpret_cast(fileContents->data()), rdi(shdrs[shstrtabIndex].sh_offset), &shstrtabptr)) error("string table overflow"); const char *shstrtab = reinterpret_cast(shstrtabptr); checkPointer(fileContents, shstrtab, shstrtabSize); if (shstrtabSize == 0) error("string table size is zero"); if (shstrtab[shstrtabSize - 1] != 0) error("string table is not zero terminated"); sectionNames = std::string(shstrtab, shstrtabSize); sectionsByOldIndex.resize(shdrs.size()); for (size_t i = 1; i < shdrs.size(); ++i) sectionsByOldIndex.at(i) = getSectionName(shdrs.at(i)); } template unsigned int ElfFile::getPageSize() const noexcept { if (forcedPageSize > 0) return forcedPageSize; // Architectures (and ABIs) can have different minimum section alignment // requirements. There is no authoritative list of these values. The // current list is extracted from GNU gold's source code (abi_pagesize). switch (rdi(hdr()->e_machine)) { case EM_IA_64: case EM_MIPS: case EM_PPC: case EM_PPC64: case EM_AARCH64: case EM_TILEGX: case EM_LOONGARCH: return 0x10000; case EM_SPARC: // This should be sparc 32-bit. According to the linux // kernel 4KB should be also fine, but it seems that solaris is doing 8KB case EM_SPARCV9: /* SPARC64 support */ return 0x2000; default: return 0x1000; } } template void ElfFile::sortPhdrs() { /* Sort the segments by offset. */ CompPhdr comp; comp.elfFile = this; stable_sort(phdrs.begin(), phdrs.end(), comp); } template void ElfFile::sortShdrs() { /* Translate sh_link mappings to section names, since sorting the sections will invalidate the sh_link fields. */ std::map linkage; for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) if (rdi(shdrs.at(i).sh_link) != 0) linkage[getSectionName(shdrs.at(i))] = getSectionName(shdrs.at(rdi(shdrs.at(i).sh_link))); /* Idem for sh_info on certain sections. */ std::map info; for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) if (rdi(shdrs.at(i).sh_info) != 0 && (rdi(shdrs.at(i).sh_type) == SHT_REL || rdi(shdrs.at(i).sh_type) == SHT_RELA)) info[getSectionName(shdrs.at(i))] = getSectionName(shdrs.at(rdi(shdrs.at(i).sh_info))); /* Idem for the index of the .shstrtab section in the ELF header. */ Elf_Shdr shstrtab = shdrs.at(rdi(hdr()->e_shstrndx)); /* Sort the sections by offset. */ CompShdr comp; comp.elfFile = this; stable_sort(shdrs.begin() + 1, shdrs.end(), comp); /* Restore the sh_link mappings. */ for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) if (rdi(shdrs[i].sh_link) != 0) wri(shdrs[i].sh_link, getSectionIndex(linkage[getSectionName(shdrs[i])])); /* And the st_info mappings. */ for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) if (rdi(shdrs.at(i).sh_info) != 0 && (rdi(shdrs.at(i).sh_type) == SHT_REL || rdi(shdrs.at(i).sh_type) == SHT_RELA)) wri(shdrs.at(i).sh_info, getSectionIndex(info.at(getSectionName(shdrs.at(i))))); /* And the .shstrtab index. Note: the match here is done by checking the offset as searching * by name can yield incorrect results in case there are multiple sections with the same * name as the one initially pointed by hdr()->e_shstrndx */ for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) { if (shdrs.at(i).sh_offset == shstrtab.sh_offset) { wri(hdr()->e_shstrndx, i); } } } static void writeFile(const std::string & fileName, const FileContents & contents) { debug("writing %s\n", fileName.c_str()); int fd = open(fileName.c_str(), O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0777); if (fd == -1) error("open"); size_t bytesWritten = 0; ssize_t portion; while (bytesWritten < contents->size()) { if ((portion = write(fd, contents->data() + bytesWritten, contents->size() - bytesWritten)) < 0) { if (errno == EINTR) continue; error("write"); } bytesWritten += portion; } if (close(fd) >= 0) return; /* * Just ignore EINTR; a retry loop is the wrong thing to do. * * http://lkml.indiana.edu/hypermail/linux/kernel/0509.1/0877.html * https://bugzilla.gnome.org/show_bug.cgi?id=682819 * http://utcc.utoronto.ca/~cks/space/blog/unix/CloseEINTR * https://sites.google.com/site/michaelsafyan/software-engineering/checkforeintrwheninvokingclosethinkagain */ if (errno == EINTR) return; error("close"); } static uint64_t roundUp(uint64_t n, uint64_t m) { if (n == 0) return m; return ((n - 1) / m + 1) * m; } template void ElfFile::shiftFile(unsigned int extraPages, size_t startOffset, size_t extraBytes) { assert(startOffset >= sizeof(Elf_Ehdr)); unsigned int oldSize = fileContents->size(); assert(oldSize > startOffset); /* Move the entire contents of the file after 'startOffset' by 'extraPages' pages further. */ unsigned int shift = extraPages * getPageSize(); fileContents->resize(oldSize + shift, 0); memmove(fileContents->data() + startOffset + shift, fileContents->data() + startOffset, oldSize - startOffset); memset(fileContents->data() + startOffset, 0, shift); /* Adjust the ELF header. */ wri(hdr()->e_phoff, sizeof(Elf_Ehdr)); if (rdi(hdr()->e_shoff) >= startOffset) wri(hdr()->e_shoff, rdi(hdr()->e_shoff) + shift); /* Update the offsets in the section headers. */ for (int i = 1; i < rdi(hdr()->e_shnum); ++i) { size_t sh_offset = rdi(shdrs.at(i).sh_offset); if (sh_offset >= startOffset) wri(shdrs.at(i).sh_offset, sh_offset + shift); } int splitIndex = -1; size_t splitShift = 0; /* Update the offsets in the program headers. */ for (int i = 0; i < rdi(hdr()->e_phnum); ++i) { Elf_Off p_start = rdi(phdrs.at(i).p_offset); if (p_start <= startOffset && p_start + rdi(phdrs.at(i).p_filesz) > startOffset && rdi(phdrs.at(i).p_type) == PT_LOAD) { assert(splitIndex == -1); splitIndex = i; splitShift = startOffset - p_start; /* This is the load segment we're currently extending within, so we split it. */ wri(phdrs.at(i).p_offset, startOffset); wri(phdrs.at(i).p_memsz, rdi(phdrs.at(i).p_memsz) - splitShift); wri(phdrs.at(i).p_filesz, rdi(phdrs.at(i).p_filesz) - splitShift); wri(phdrs.at(i).p_paddr, rdi(phdrs.at(i).p_paddr) + splitShift); wri(phdrs.at(i).p_vaddr, rdi(phdrs.at(i).p_vaddr) + splitShift); p_start = startOffset; } if (p_start >= startOffset) { wri(phdrs.at(i).p_offset, p_start + shift); if (rdi(phdrs.at(i).p_align) != 0 && (rdi(phdrs.at(i).p_vaddr) - rdi(phdrs.at(i).p_offset)) % rdi(phdrs.at(i).p_align) != 0) { debug("changing alignment of program header %d from %d to %d\n", i, rdi(phdrs.at(i).p_align), getPageSize()); wri(phdrs.at(i).p_align, getPageSize()); } } else { /* If we're not physically shifting, shift back virtual memory. */ if (rdi(phdrs.at(i).p_paddr) >= shift) wri(phdrs.at(i).p_paddr, rdi(phdrs.at(i).p_paddr) - shift); if (rdi(phdrs.at(i).p_vaddr) >= shift) wri(phdrs.at(i).p_vaddr, rdi(phdrs.at(i).p_vaddr) - shift); } } assert(splitIndex != -1); /* Add a segment that maps the new program/section headers and PT_INTERP segment into memory. Otherwise glibc will choke. */ phdrs.resize(rdi(hdr()->e_phnum) + 1); wri(hdr()->e_phnum, rdi(hdr()->e_phnum) + 1); Elf_Phdr & phdr = phdrs.at(rdi(hdr()->e_phnum) - 1); wri(phdr.p_type, PT_LOAD); wri(phdr.p_offset, phdrs.at(splitIndex).p_offset - splitShift - shift); wri(phdr.p_paddr, phdrs.at(splitIndex).p_paddr - splitShift - shift); wri(phdr.p_vaddr, phdrs.at(splitIndex).p_vaddr - splitShift - shift); wri(phdr.p_filesz, wri(phdr.p_memsz, splitShift + extraBytes)); wri(phdr.p_flags, PF_R | PF_W); wri(phdr.p_align, getPageSize()); } template std::string ElfFile::getSectionName(const Elf_Shdr & shdr) const { const size_t name_off = rdi(shdr.sh_name); if (name_off >= sectionNames.size()) error("section name offset out of bounds"); return std::string(sectionNames.c_str() + name_off); } template const Elf_Shdr & ElfFile::findSectionHeader(const SectionName & sectionName) const { auto shdr = tryFindSectionHeader(sectionName); if (!shdr) { std::string extraMsg; if (sectionName == ".interp" || sectionName == ".dynamic" || sectionName == ".dynstr") extraMsg = ". The input file is most likely statically linked"; error("cannot find section '" + sectionName + "'" + extraMsg); } return *shdr; } template std::optional> ElfFile::tryFindSectionHeader(const SectionName & sectionName) const { auto i = getSectionIndex(sectionName); if (i) return shdrs.at(i); return {}; } template template span ElfFile::getSectionSpan(const Elf_Shdr & shdr) const { return span((T*)(fileContents->data() + rdi(shdr.sh_offset)), rdi(shdr.sh_size)/sizeof(T)); } template template span ElfFile::getSectionSpan(const SectionName & sectionName) { return getSectionSpan(findSectionHeader(sectionName)); } template template span ElfFile::tryGetSectionSpan(const SectionName & sectionName) { auto shdrOpt = tryFindSectionHeader(sectionName); return shdrOpt ? getSectionSpan(*shdrOpt) : span(); } template unsigned int ElfFile::getSectionIndex(const SectionName & sectionName) const { for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) if (getSectionName(shdrs.at(i)) == sectionName) return i; return 0; } template bool ElfFile::haveReplacedSection(const SectionName & sectionName) const { return replacedSections.count(sectionName); } template std::string & ElfFile::replaceSection(const SectionName & sectionName, unsigned int size) { auto i = replacedSections.find(sectionName); std::string s; if (i != replacedSections.end()) { s = std::string(i->second); } else { auto shdr = findSectionHeader(sectionName); s = extractString(fileContents, rdi(shdr.sh_offset), rdi(shdr.sh_size)); } s.resize(size); replacedSections[sectionName] = s; return replacedSections[sectionName]; } template void ElfFile::writeReplacedSections(Elf_Off & curOff, Elf_Addr startAddr, Elf_Off startOffset) { /* Overwrite the old section contents with 'Z's. Do this *before* writing the new section contents (below) to prevent clobbering previously written new section contents. */ for (auto & i : replacedSections) { const std::string & sectionName = i.first; const Elf_Shdr & shdr = findSectionHeader(sectionName); if (rdi(shdr.sh_type) != SHT_NOBITS) memset(fileContents->data() + rdi(shdr.sh_offset), 'Z', rdi(shdr.sh_size)); } std::set noted_phdrs = {}; /* We iterate over the sorted section headers here, so that the relative position between replaced sections stays the same. */ for (auto & shdr : shdrs) { std::string sectionName = getSectionName(shdr); auto i = replacedSections.find(sectionName); if (i == replacedSections.end()) continue; Elf_Shdr orig_shdr = shdr; debug("rewriting section '%s' from offset 0x%x (size %d) to offset 0x%x (size %d)\n", sectionName.c_str(), rdi(shdr.sh_offset), rdi(shdr.sh_size), curOff, i->second.size()); memcpy(fileContents->data() + curOff, i->second.c_str(), i->second.size()); /* Update the section header for this section. */ wri(shdr.sh_offset, curOff); wri(shdr.sh_addr, startAddr + (curOff - startOffset)); wri(shdr.sh_size, i->second.size()); wri(shdr.sh_addralign, sectionAlignment); /* If this is the .interp section, then the PT_INTERP segment must be sync'ed with it. */ if (sectionName == ".interp") { for (auto & phdr : phdrs) { if (rdi(phdr.p_type) == PT_INTERP) { phdr.p_offset = shdr.sh_offset; phdr.p_vaddr = phdr.p_paddr = shdr.sh_addr; phdr.p_filesz = phdr.p_memsz = shdr.sh_size; } } } /* If this is the .dynamic section, then the PT_DYNAMIC segment must be sync'ed with it. */ else if (sectionName == ".dynamic") { for (auto & phdr : phdrs) { if (rdi(phdr.p_type) == PT_DYNAMIC) { phdr.p_offset = shdr.sh_offset; phdr.p_vaddr = phdr.p_paddr = shdr.sh_addr; phdr.p_filesz = phdr.p_memsz = shdr.sh_size; } } } /* If this is a note section, there might be a PT_NOTE segment that must be sync'ed with it. Note that normalizeNoteSegments() will have already taken care of PT_NOTE segments containing multiple note sections. At this point, we can assume that the segment will map to exactly one section. Note sections also have particular alignment constraints: the data inside the section is formatted differently depending on the section alignment. Keep the original alignment if possible. */ if (rdi(shdr.sh_type) == SHT_NOTE) { if (orig_shdr.sh_addralign < sectionAlignment) shdr.sh_addralign = orig_shdr.sh_addralign; for (unsigned int j = 0; j < phdrs.size(); ++j) { auto &phdr = phdrs.at(j); if (rdi(phdr.p_type) == PT_NOTE && !noted_phdrs.count(j)) { Elf_Off p_start = rdi(phdr.p_offset); Elf_Off p_end = p_start + rdi(phdr.p_filesz); Elf_Off s_start = rdi(orig_shdr.sh_offset); Elf_Off s_end = s_start + rdi(orig_shdr.sh_size); /* Skip if no overlap. */ if (!(s_start >= p_start && s_start < p_end) && !(s_end > p_start && s_end <= p_end)) continue; /* We only support exact matches. */ if (p_start != s_start || p_end != s_end) error("unsupported overlap of SHT_NOTE and PT_NOTE"); phdr.p_offset = shdr.sh_offset; phdr.p_vaddr = phdr.p_paddr = shdr.sh_addr; phdr.p_filesz = phdr.p_memsz = shdr.sh_size; noted_phdrs.insert(j); } } } /* If there is .MIPS.abiflags section, then the PT_MIPS_ABIFLAGS segment must be sync'ed with it. */ if (sectionName == ".MIPS.abiflags") { for (auto & phdr : phdrs) { if (rdi(phdr.p_type) == PT_MIPS_ABIFLAGS) { phdr.p_offset = shdr.sh_offset; phdr.p_vaddr = phdr.p_paddr = shdr.sh_addr; phdr.p_filesz = phdr.p_memsz = shdr.sh_size; } } } /* If there is .note.gnu.property section, then the PT_GNU_PROPERTY segment must be sync'ed with it. */ if (sectionName == ".note.gnu.property") { for (auto & phdr : phdrs) { if (rdi(phdr.p_type) == PT_GNU_PROPERTY) { phdr.p_offset = shdr.sh_offset; phdr.p_vaddr = phdr.p_paddr = shdr.sh_addr; phdr.p_filesz = phdr.p_memsz = shdr.sh_size; } } } curOff += roundUp(i->second.size(), sectionAlignment); } replacedSections.clear(); } template void ElfFile::rewriteSectionsLibrary() { /* For dynamic libraries, we just place the replacement sections at the end of the file. They're mapped into memory by a PT_LOAD segment located directly after the last virtual address page of other segments. */ Elf_Addr startPage = 0; Elf_Addr firstPage = 0; unsigned alignStartPage = getPageSize(); for (auto & phdr : phdrs) { Elf_Addr thisPage = rdi(phdr.p_vaddr) + rdi(phdr.p_memsz); if (thisPage > startPage) startPage = thisPage; if (rdi(phdr.p_type) == PT_PHDR) firstPage = rdi(phdr.p_vaddr) - rdi(phdr.p_offset); unsigned thisAlign = rdi(phdr.p_align); alignStartPage = std::max(alignStartPage, thisAlign); } startPage = roundUp(startPage, alignStartPage); debug("last page is 0x%llx\n", (unsigned long long) startPage); debug("first page is 0x%llx\n", (unsigned long long) firstPage); /* When normalizing note segments we will in the worst case be adding 1 program header for each SHT_NOTE section. */ unsigned int num_notes = std::count_if(shdrs.begin(), shdrs.end(), [this](Elf_Shdr shdr) { return rdi(shdr.sh_type) == SHT_NOTE; }); /* Because we're adding a new section header, we're necessarily increasing the size of the program header table. This can cause the first section to overlap the program header table in memory; we need to shift the first few segments to someplace else. */ /* Some sections may already be replaced so account for that */ unsigned int i = 1; Elf_Addr pht_size = sizeof(Elf_Ehdr) + (phdrs.size() + num_notes + 1)*sizeof(Elf_Phdr); while( i < rdi(hdr()->e_shnum) && rdi(shdrs.at(i).sh_offset) <= pht_size ) { if (not haveReplacedSection(getSectionName(shdrs.at(i)))) replaceSection(getSectionName(shdrs.at(i)), rdi(shdrs.at(i).sh_size)); i++; } bool moveHeaderTableToTheEnd = rdi(hdr()->e_shoff) < pht_size; /* Compute the total space needed for the replaced sections */ off_t neededSpace = 0; for (auto & s : replacedSections) neededSpace += roundUp(s.second.size(), sectionAlignment); off_t headerTableSpace = roundUp(rdi(hdr()->e_shnum) * rdi(hdr()->e_shentsize), sectionAlignment); if (moveHeaderTableToTheEnd) neededSpace += headerTableSpace; debug("needed space is %d\n", neededSpace); Elf_Off startOffset = roundUp(fileContents->size(), getPageSize()); // In older version of binutils (2.30), readelf would check if the dynamic // section segment is strictly smaller than the file (and not same size). // By making it one byte larger, we don't break readelf. off_t binutilsQuirkPadding = 1; fileContents->resize(startOffset + neededSpace + binutilsQuirkPadding, 0); /* Even though this file is of type ET_DYN, it could actually be an executable. For instance, Gold produces executables marked ET_DYN as does LD when linking with pie. If we move PT_PHDR, it has to stay in the first PT_LOAD segment or any subsequent ones if they're continuous in memory due to linux kernel constraints (see BUGS). Since the end of the file would be after bss, we can't move PHDR there, we therefore choose to leave PT_PHDR where it is but move enough following sections such that we can add the extra PT_LOAD section to it. This PT_LOAD segment ensures the sections at the end of the file are mapped into memory for ld.so to process. We can't use the approach in rewriteSectionsExecutable() since DYN executables tend to start at virtual address 0, so rewriteSectionsExecutable() won't work because it doesn't have any virtual address space to grow downwards into. */ if (isExecutable && startOffset > startPage) { debug("shifting new PT_LOAD segment by %d bytes to work around a Linux kernel bug\n", startOffset - startPage); startPage = startOffset; } wri(hdr()->e_phoff, sizeof(Elf_Ehdr)); bool needNewSegment = true; auto& lastSeg = phdrs.back(); /* Try to extend the last segment to include replaced sections */ if (!phdrs.empty() && rdi(lastSeg.p_type) == PT_LOAD && rdi(lastSeg.p_flags) == (PF_R | PF_W) && rdi(lastSeg.p_align) == alignStartPage) { auto segEnd = roundUp(rdi(lastSeg.p_offset) + rdi(lastSeg.p_memsz), getPageSize()); if (segEnd == startOffset) { auto newSz = startOffset + neededSpace - rdi(lastSeg.p_offset); wri(lastSeg.p_filesz, wri(lastSeg.p_memsz, newSz)); needNewSegment = false; } } if (needNewSegment) { /* Add a segment that maps the replaced sections into memory. */ phdrs.resize(rdi(hdr()->e_phnum) + 1); wri(hdr()->e_phnum, rdi(hdr()->e_phnum) + 1); Elf_Phdr & phdr = phdrs.at(rdi(hdr()->e_phnum) - 1); wri(phdr.p_type, PT_LOAD); wri(phdr.p_offset, startOffset); wri(phdr.p_vaddr, wri(phdr.p_paddr, startPage)); wri(phdr.p_filesz, wri(phdr.p_memsz, neededSpace)); wri(phdr.p_flags, PF_R | PF_W); wri(phdr.p_align, alignStartPage); } normalizeNoteSegments(); /* Write out the replaced sections. */ Elf_Off curOff = startOffset; if (moveHeaderTableToTheEnd) { debug("Moving the shtable to offset %d\n", curOff); wri(hdr()->e_shoff, curOff); curOff += headerTableSpace; } writeReplacedSections(curOff, startPage, startOffset); assert(curOff == startOffset + neededSpace); /* Write out the updated program and section headers */ rewriteHeaders(firstPage + rdi(hdr()->e_phoff)); } static bool noSort = false; template void ElfFile::rewriteSectionsExecutable() { if (!noSort) { /* Sort the sections by offset, otherwise we won't correctly find all the sections before the last replaced section. */ sortShdrs(); } /* What is the index of the last replaced section? */ unsigned int lastReplaced = 0; for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) { std::string sectionName = getSectionName(shdrs.at(i)); if (replacedSections.count(sectionName)) { debug("using replaced section '%s'\n", sectionName.c_str()); lastReplaced = i; } } assert(lastReplaced != 0); debug("last replaced is %d\n", lastReplaced); /* Try to replace all sections before that, as far as possible. Stop when we reach an irreplacable section (such as one of type SHT_PROGBITS). These cannot be moved in virtual address space since that would invalidate absolute references to them. */ assert(lastReplaced + 1 < shdrs.size()); /* !!! I'm lazy. */ size_t startOffset = rdi(shdrs.at(lastReplaced + 1).sh_offset); Elf_Addr startAddr = rdi(shdrs.at(lastReplaced + 1).sh_addr); std::string prevSection; for (unsigned int i = 1; i <= lastReplaced; ++i) { Elf_Shdr & shdr(shdrs.at(i)); std::string sectionName = getSectionName(shdr); debug("looking at section '%s'\n", sectionName.c_str()); /* !!! Why do we stop after a .dynstr section? I can't remember! */ if ((rdi(shdr.sh_type) == SHT_PROGBITS && sectionName != ".interp") || prevSection == ".dynstr") { startOffset = rdi(shdr.sh_offset); startAddr = rdi(shdr.sh_addr); lastReplaced = i - 1; break; } if (!replacedSections.count(sectionName)) { debug("replacing section '%s' which is in the way\n", sectionName.c_str()); replaceSection(sectionName, rdi(shdr.sh_size)); } prevSection = std::move(sectionName); } debug("first reserved offset/addr is 0x%x/0x%llx\n", startOffset, (unsigned long long) startAddr); assert(startAddr % getPageSize() == startOffset % getPageSize()); Elf_Addr firstPage = startAddr - startOffset; debug("first page is 0x%llx\n", (unsigned long long) firstPage); if (rdi(hdr()->e_shoff) < startOffset) { /* The section headers occur too early in the file and would be overwritten by the replaced sections. Move them to the end of the file before proceeding. */ off_t shoffNew = fileContents->size(); off_t shSize = rdi(hdr()->e_shoff) + rdi(hdr()->e_shnum) * rdi(hdr()->e_shentsize); fileContents->resize(fileContents->size() + shSize, 0); wri(hdr()->e_shoff, shoffNew); /* Rewrite the section header table. For neatness, keep the sections sorted. */ assert(rdi(hdr()->e_shnum) == shdrs.size()); sortShdrs(); for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) * ((Elf_Shdr *) (fileContents->data() + rdi(hdr()->e_shoff)) + i) = shdrs.at(i); } normalizeNoteSegments(); /* Compute the total space needed for the replaced sections, the ELF header, and the program headers. */ size_t neededSpace = sizeof(Elf_Ehdr) + phdrs.size() * sizeof(Elf_Phdr); for (auto & i : replacedSections) neededSpace += roundUp(i.second.size(), sectionAlignment); debug("needed space is %d\n", neededSpace); /* If we need more space at the start of the file, then grow the file by the minimum number of pages and adjust internal offsets. */ if (neededSpace > startOffset) { /* We also need an additional program header, so adjust for that. */ neededSpace += sizeof(Elf_Phdr); debug("needed space is %d\n", neededSpace); /* Calculate how many bytes are needed out of the additional pages. */ size_t extraSpace = neededSpace - startOffset; // Always give one extra page to avoid colliding with segments that start at // unaligned addresses and will be rounded down when loaded unsigned int neededPages = 1 + roundUp(extraSpace, getPageSize()) / getPageSize(); debug("needed pages is %d\n", neededPages); if (neededPages * getPageSize() > firstPage) error("virtual address space underrun!"); shiftFile(neededPages, startOffset, extraSpace); firstPage -= neededPages * getPageSize(); startOffset += neededPages * getPageSize(); } else { Elf_Off rewrittenSectionsOffset = sizeof(Elf_Ehdr) + phdrs.size() * sizeof(Elf_Phdr); for (auto& phdr : phdrs) if (rdi(phdr.p_type) == PT_LOAD && rdi(phdr.p_offset) <= rewrittenSectionsOffset && rdi(phdr.p_offset) + rdi(phdr.p_filesz) > rewrittenSectionsOffset && rdi(phdr.p_filesz) < neededSpace) { wri(phdr.p_filesz, neededSpace); wri(phdr.p_memsz, neededSpace); break; } } /* Clear out the free space. */ Elf_Off curOff = sizeof(Elf_Ehdr) + phdrs.size() * sizeof(Elf_Phdr); debug("clearing first %d bytes\n", startOffset - curOff); memset(fileContents->data() + curOff, 0, startOffset - curOff); /* Write out the replaced sections. */ writeReplacedSections(curOff, firstPage, 0); assert(curOff == neededSpace); rewriteHeaders(firstPage + rdi(hdr()->e_phoff)); } template void ElfFile::normalizeNoteSegments() { /* Break up PT_NOTE segments containing multiple SHT_NOTE sections. This is to avoid having to deal with moving multiple sections together if one of them has to be replaced. */ /* We don't need to do anything if no note segments were replaced. */ bool replaced_note = std::any_of(replacedSections.begin(), replacedSections.end(), [this](std::pair & i) { return rdi(findSectionHeader(i.first).sh_type) == SHT_NOTE; }); if (!replaced_note) return; std::vector newPhdrs; for (auto & phdr : phdrs) { if (rdi(phdr.p_type) != PT_NOTE) continue; size_t start_off = rdi(phdr.p_offset); size_t curr_off = start_off; size_t end_off = start_off + rdi(phdr.p_filesz); /* Binaries produced by older patchelf versions may contain empty PT_NOTE segments. For backwards compatibility, if we find one we should ignore it. */ bool empty = std::none_of(shdrs.begin(), shdrs.end(), [&](auto & shdr) { return rdi(shdr.sh_offset) >= start_off && rdi(shdr.sh_offset) < end_off; }); if (empty) continue; while (curr_off < end_off) { /* Find a section that starts at the current offset. If we can't find one, it means the SHT_NOTE sections weren't contiguous within the segment. */ size_t size = 0; for (const auto & shdr : shdrs) { if (rdi(shdr.sh_type) != SHT_NOTE) continue; if (rdi(shdr.sh_offset) != roundUp(curr_off, rdi(shdr.sh_addralign))) continue; size = rdi(shdr.sh_size); curr_off = roundUp(curr_off, rdi(shdr.sh_addralign)); break; } if (size == 0) error("cannot normalize PT_NOTE segment: non-contiguous SHT_NOTE sections"); if (curr_off + size > end_off) error("cannot normalize PT_NOTE segment: partially mapped SHT_NOTE section"); /* Build a new phdr for this note section. */ Elf_Phdr new_phdr = phdr; wri(new_phdr.p_offset, curr_off); wri(new_phdr.p_vaddr, rdi(phdr.p_vaddr) + (curr_off - start_off)); wri(new_phdr.p_paddr, rdi(phdr.p_paddr) + (curr_off - start_off)); wri(new_phdr.p_filesz, size); wri(new_phdr.p_memsz, size); /* If we haven't yet, reuse the existing phdr entry. Otherwise add a new phdr to the table. */ if (curr_off == start_off) phdr = new_phdr; else newPhdrs.push_back(new_phdr); curr_off += size; } } phdrs.insert(phdrs.end(), newPhdrs.begin(), newPhdrs.end()); wri(hdr()->e_phnum, phdrs.size()); } template void ElfFile::rewriteSections(bool force) { if (!force && replacedSections.empty()) return; for (auto & i : replacedSections) debug("replacing section '%s' with size %d\n", i.first.c_str(), i.second.size()); if (rdi(hdr()->e_type) == ET_DYN) { debug("this is a dynamic library\n"); rewriteSectionsLibrary(); } else if (rdi(hdr()->e_type) == ET_EXEC) { debug("this is an executable\n"); rewriteSectionsExecutable(); } else error("unknown ELF type"); } template void ElfFile::rewriteHeaders(Elf_Addr phdrAddress) { /* Rewrite the program header table. */ /* If there is a segment for the program header table, update it. (According to the ELF spec, there can only be one.) */ for (auto & phdr : phdrs) { if (rdi(phdr.p_type) == PT_PHDR) { phdr.p_offset = hdr()->e_phoff; wri(phdr.p_vaddr, wri(phdr.p_paddr, phdrAddress)); wri(phdr.p_filesz, wri(phdr.p_memsz, phdrs.size() * sizeof(Elf_Phdr))); break; } } if (!noSort) { sortPhdrs(); } for (unsigned int i = 0; i < phdrs.size(); ++i) * ((Elf_Phdr *) (fileContents->data() + rdi(hdr()->e_phoff)) + i) = phdrs.at(i); /* Rewrite the section header table. For neatness, keep the sections sorted. */ assert(rdi(hdr()->e_shnum) == shdrs.size()); if (!noSort) { sortShdrs(); } for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) * ((Elf_Shdr *) (fileContents->data() + rdi(hdr()->e_shoff)) + i) = shdrs.at(i); /* Update all those nasty virtual addresses in the .dynamic section. Note that not all executables have .dynamic sections (e.g., those produced by klibc's klcc). */ auto shdrDynamic = tryFindSectionHeader(".dynamic"); if (shdrDynamic) { auto dyn_table = (Elf_Dyn *) (fileContents->data() + rdi((*shdrDynamic).get().sh_offset)); unsigned int d_tag; for (auto dyn = dyn_table; (d_tag = rdi(dyn->d_tag)) != DT_NULL; dyn++) if (d_tag == DT_STRTAB) dyn->d_un.d_ptr = findSectionHeader(".dynstr").sh_addr; else if (d_tag == DT_STRSZ) dyn->d_un.d_val = findSectionHeader(".dynstr").sh_size; else if (d_tag == DT_SYMTAB) dyn->d_un.d_ptr = findSectionHeader(".dynsym").sh_addr; else if (d_tag == DT_HASH) dyn->d_un.d_ptr = findSectionHeader(".hash").sh_addr; else if (d_tag == DT_GNU_HASH) { auto shdr = tryFindSectionHeader(".gnu.hash"); // some binaries might this section stripped // in which case we just ignore the value. if (shdr) dyn->d_un.d_ptr = (*shdr).get().sh_addr; } else if (d_tag == DT_MIPS_XHASH) { // the .MIPS.xhash section was added to the glibc-ABI // in commit 23c1c256ae7b0f010d0fcaff60682b620887b164 dyn->d_un.d_ptr = findSectionHeader(".MIPS.xhash").sh_addr; } else if (d_tag == DT_JMPREL) { auto shdr = tryFindSectionHeader(".rel.plt"); if (!shdr) shdr = tryFindSectionHeader(".rela.plt"); /* 64-bit Linux, x86-64 */ if (!shdr) shdr = tryFindSectionHeader(".rela.IA_64.pltoff"); /* 64-bit Linux, IA-64 */ if (!shdr) error("cannot find section corresponding to DT_JMPREL"); dyn->d_un.d_ptr = (*shdr).get().sh_addr; } else if (d_tag == DT_REL) { /* !!! hack! */ auto shdr = tryFindSectionHeader(".rel.dyn"); /* no idea if this makes sense, but it was needed for some program */ if (!shdr) shdr = tryFindSectionHeader(".rel.got"); /* some programs have neither section, but this doesn't seem to be a problem */ if (!shdr) continue; dyn->d_un.d_ptr = (*shdr).get().sh_addr; } else if (d_tag == DT_RELA) { auto shdr = tryFindSectionHeader(".rela.dyn"); /* some programs lack this section, but it doesn't seem to be a problem */ if (!shdr) continue; dyn->d_un.d_ptr = (*shdr).get().sh_addr; } else if (d_tag == DT_VERNEED) dyn->d_un.d_ptr = findSectionHeader(".gnu.version_r").sh_addr; else if (d_tag == DT_VERSYM) dyn->d_un.d_ptr = findSectionHeader(".gnu.version").sh_addr; else if (d_tag == DT_MIPS_RLD_MAP_REL) { /* the MIPS_RLD_MAP_REL tag stores the offset to the debug pointer, relative to the address of the tag */ auto shdr = tryFindSectionHeader(".rld_map"); if (shdr) { /* * "When correct, (DT_MIPS_RLD_MAP_REL + tag offset + executable base address) equals DT_MIPS_RLD_MAP" * -- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820334#5 * * Equivalently, * * DT_MIPS_RLD_MAP_REL + tag offset + executable base address == DT_MIPS_RLD_MAP * DT_MIPS_RLD_MAP_REL + executable base address == DT_MIPS_RLD_MAP - tag_offset * DT_MIPS_RLD_MAP_REL == DT_MIPS_RLD_MAP - tag_offset - executable base address */ auto rld_map_addr = findSectionHeader(".rld_map").sh_addr; auto dyn_offset = ((char*)dyn) - ((char*)dyn_table); dyn->d_un.d_ptr = rld_map_addr - dyn_offset - (*shdrDynamic).get().sh_addr; } else { /* ELF file with DT_MIPS_RLD_MAP_REL but without .rld_map is broken, and it's not our job to fix it; yet, we have to find some location for dynamic loader to write the debug pointer to; well, let's write it right here */ fprintf(stderr, "warning: DT_MIPS_RLD_MAP_REL entry is present, but .rld_map section is not\n"); dyn->d_un.d_ptr = 0; } } } /* Rewrite the .dynsym section. It contains the indices of the sections in which symbols appear, so these need to be remapped. */ for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) { auto &shdr = shdrs.at(i); if (rdi(shdr.sh_type) != SHT_SYMTAB && rdi(shdr.sh_type) != SHT_DYNSYM) continue; debug("rewriting symbol table section %d\n", i); for (size_t entry = 0; (entry + 1) * sizeof(Elf_Sym) <= rdi(shdr.sh_size); entry++) { auto sym = (Elf_Sym *)(fileContents->data() + rdi(shdr.sh_offset) + entry * sizeof(Elf_Sym)); unsigned int shndx = rdi(sym->st_shndx); if (shndx != SHN_UNDEF && shndx < SHN_LORESERVE) { if (shndx >= sectionsByOldIndex.size()) { fprintf(stderr, "warning: entry %d in symbol table refers to a non-existent section, skipping\n", shndx); continue; } const std::string & section = sectionsByOldIndex.at(shndx); assert(!section.empty()); auto newIndex = getSectionIndex(section); // inefficient //debug("rewriting symbol %d: index = %d (%s) -> %d\n", entry, shndx, section.c_str(), newIndex); wri(sym->st_shndx, newIndex); /* Rewrite st_value. FIXME: we should do this for all types, but most don't actually change. */ if (ELF32_ST_TYPE(rdi(sym->st_info)) == STT_SECTION) wri(sym->st_value, rdi(shdrs.at(newIndex).sh_addr)); } } } } static void setSubstr(std::string & s, unsigned int pos, const std::string & t) { assert(pos + t.size() <= s.size()); copy(t.begin(), t.end(), s.begin() + pos); } template std::string ElfFile::getInterpreter() const { auto shdr = findSectionHeader(".interp"); auto size = rdi(shdr.sh_size); if (size > 0) size--; return extractString(fileContents, rdi(shdr.sh_offset), size); } template void ElfFile::modifyOsAbi(osAbiMode op, const std::string & newOsAbi) { unsigned char abi = hdr()->e_ident[EI_OSABI]; if (op == printOsAbi) { switch (abi) { case 0: printf("System V\n"); break; case 1: printf("HP-UX\n"); break; case 2: printf("NetBSD\n"); break; case 3: printf("Linux\n"); break; case 4: printf("GNU Hurd\n"); break; case 6: printf("Solaris\n"); break; case 7: printf("AIX\n"); break; case 8: printf("IRIX\n"); break; case 9: printf("FreeBSD\n"); break; case 10: printf("Tru64\n"); break; case 12: printf("OpenBSD\n"); break; case 13: printf("OpenVMS\n"); break; default: printf("0x%02X\n", (unsigned int) abi); } return; } unsigned char newAbi; std::string nabi = downcase(trim(newOsAbi)); if (nabi == "system v" || nabi == "system-v" || nabi == "sysv") newAbi = 0; else if (nabi == "hp-ux") newAbi = 1; else if (nabi == "netbsd") newAbi = 2; else if (nabi == "linux" || nabi == "gnu") newAbi = 3; else if (nabi == "gnu hurd" || nabi == "gnu-hurd" || nabi == "hurd") newAbi = 4; else if (nabi == "solaris") newAbi = 6; else if (nabi == "aix") newAbi = 7; else if (nabi == "irix") newAbi = 8; else if (nabi == "freebsd") newAbi = 9; else if (nabi == "tru64") newAbi = 10; else if (nabi == "openbsd") newAbi = 12; else if (nabi == "openvms") newAbi = 13; else error("unrecognized OS ABI"); if (newAbi == abi) { debug("current and requested OS ABIs are equal\n"); return; } hdr()->e_ident[EI_OSABI] = newAbi; changed = true; } template void ElfFile::modifySoname(sonameMode op, const std::string & newSoname) { if (rdi(hdr()->e_type) != ET_DYN) { debug("this is not a dynamic library\n"); return; } auto shdrDynamic = findSectionHeader(".dynamic"); auto shdrDynStr = findSectionHeader(".dynstr"); char * strTab = (char *) fileContents->data() + rdi(shdrDynStr.sh_offset); /* Walk through the dynamic section, look for the DT_SONAME entry. */ auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); Elf_Dyn * dynSoname = nullptr; char * soname = nullptr; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_SONAME) { dynSoname = dyn; soname = strTab + rdi(dyn->d_un.d_val); checkPointer(fileContents, strTab, rdi(dyn->d_un.d_val)); } } if (op == printSoname) { if (soname) { if (strlen(soname) == 0) debug("DT_SONAME is empty\n"); else printf("%s\n", soname); } else { debug("no DT_SONAME found\n"); } return; } if (soname && soname == newSoname) { debug("current and proposed new SONAMEs are equal keeping DT_SONAME entry\n"); return; } debug("new SONAME is '%s'\n", newSoname.c_str()); /* Grow the .dynstr section to make room for the new SONAME. */ debug("SONAME is too long, resizing...\n"); std::string & newDynStr = replaceSection(".dynstr", rdi(shdrDynStr.sh_size) + newSoname.size() + 1); setSubstr(newDynStr, rdi(shdrDynStr.sh_size), newSoname + '\0'); /* Update the DT_SONAME entry. */ if (dynSoname) { dynSoname->d_un.d_val = shdrDynStr.sh_size; } else { /* There is no DT_SONAME entry in the .dynamic section, so we have to grow the .dynamic section. */ std::string & newDynamic = replaceSection(".dynamic", rdi(shdrDynamic.sh_size) + sizeof(Elf_Dyn)); unsigned int idx = 0; for (; rdi(reinterpret_cast(newDynamic.c_str())[idx].d_tag) != DT_NULL; idx++); debug("DT_NULL index is %d\n", idx); /* Shift all entries down by one. */ setSubstr(newDynamic, sizeof(Elf_Dyn), std::string(newDynamic, 0, sizeof(Elf_Dyn) * (idx + 1))); /* Add the DT_SONAME entry at the top. */ Elf_Dyn newDyn; wri(newDyn.d_tag, DT_SONAME); newDyn.d_un.d_val = shdrDynStr.sh_size; setSubstr(newDynamic, 0, std::string((char *)&newDyn, sizeof(Elf_Dyn))); } changed = true; this->rewriteSections(); } template void ElfFile::setInterpreter(const std::string & newInterpreter) { std::string & section = replaceSection(".interp", newInterpreter.size() + 1); setSubstr(section, 0, newInterpreter + '\0'); changed = true; this->rewriteSections(); } static void appendRPath(std::string & rpath, const std::string & path) { if (!rpath.empty()) rpath += ":"; rpath += path; } /* For each directory in the RPATH, check if it contains any needed library. */ template std::string ElfFile::shrinkRPath(char* rpath, std::vector &neededLibs, const std::vector & allowedRpathPrefixes) { std::vector neededLibFound(neededLibs.size(), false); std::string newRPath = ""; for (auto & dirName : splitColonDelimitedString(rpath)) { /* Non-absolute entries are allowed (e.g., the special "$ORIGIN" hack). */ if (dirName.size() && dirName.at(0) != '/') { appendRPath(newRPath, dirName); continue; } /* If --allowed-rpath-prefixes was given, reject directories not starting with any of the (colon-delimited) prefixes. */ if (!allowedRpathPrefixes.empty() && !hasAllowedPrefix(dirName, allowedRpathPrefixes)) { debug("removing directory '%s' from RPATH because of non-allowed prefix\n", dirName.c_str()); continue; } /* For each library that we haven't found yet, see if it exists in this directory. */ bool libFound = false; for (unsigned int j = 0; j < neededLibs.size(); ++j) if (!neededLibFound.at(j)) { std::string libName = dirName + "/" + neededLibs.at(j); try { Elf32_Half library_e_machine = getElfType(readFile(libName, sizeof(Elf32_Ehdr))).machine; if (rdi(library_e_machine) == rdi(hdr()->e_machine)) { neededLibFound.at(j) = true; libFound = true; } else debug("ignoring library '%s' because its machine type differs\n", libName.c_str()); } catch (SysError & e) { if (e.errNo != ENOENT) throw; } } if (!libFound) debug("removing directory '%s' from RPATH\n", dirName.c_str()); else appendRPath(newRPath, dirName); } return newRPath; } template void ElfFile::removeRPath(Elf_Shdr & shdrDynamic) { auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); Elf_Dyn * last = dyn; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_RPATH) { debug("removing DT_RPATH entry\n"); changed = true; } else if (rdi(dyn->d_tag) == DT_RUNPATH) { debug("removing DT_RUNPATH entry\n"); changed = true; } else { *last++ = *dyn; } } memset(last, 0, sizeof(Elf_Dyn) * (dyn - last)); this->rewriteSections(); } template void ElfFile::modifyRPath(RPathOp op, const std::vector & allowedRpathPrefixes, std::string newRPath) { auto shdrDynamic = findSectionHeader(".dynamic"); if (rdi(shdrDynamic.sh_type) == SHT_NOBITS) { debug("no dynamic section\n"); return; } /* !!! We assume that the virtual address in the DT_STRTAB entry of the dynamic section corresponds to the .dynstr section. */ auto& shdrDynStr = findSectionHeader(".dynstr"); char * strTab = (char *) fileContents->data() + rdi(shdrDynStr.sh_offset); /* Walk through the dynamic section, look for the RPATH/RUNPATH entry. According to the ld.so docs, DT_RPATH is obsolete, we should use DT_RUNPATH. DT_RUNPATH has two advantages: it can be overriden by LD_LIBRARY_PATH, and it's scoped (the DT_RUNPATH for an executable or library doesn't affect the search path for libraries used by it). DT_RPATH is ignored if DT_RUNPATH is present. The binutils 'ld' still generates only DT_RPATH, unless you use its '--enable-new-dtag' option, in which case it generates a DT_RPATH and DT_RUNPATH pointing at the same string. */ std::vector neededLibs; auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); checkPointer(fileContents, dyn, sizeof(*dyn)); Elf_Dyn *dynRPath = nullptr, *dynRunPath = nullptr; char * rpath = nullptr; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_RPATH) { dynRPath = dyn; /* Only use DT_RPATH if there is no DT_RUNPATH. */ if (!dynRunPath) rpath = strTab + rdi(dyn->d_un.d_val); } else if (rdi(dyn->d_tag) == DT_RUNPATH) { dynRunPath = dyn; rpath = strTab + rdi(dyn->d_un.d_val); } else if (rdi(dyn->d_tag) == DT_NEEDED) neededLibs.push_back(std::string(strTab + rdi(dyn->d_un.d_val))); } switch (op) { case rpPrint: { printf("%s\n", rpath ? rpath : ""); return; } case rpRemove: { if (!rpath) { debug("no RPATH to delete\n"); return; } removeRPath(shdrDynamic); return; } case rpShrink: { if (!rpath) { debug("no RPATH to shrink\n"); return; } newRPath = shrinkRPath(rpath, neededLibs, allowedRpathPrefixes); break; } case rpAdd: { auto temp = std::string(rpath ? rpath : ""); appendRPath(temp, newRPath); newRPath = temp; break; } case rpSet: { break; } /* new rpath was provied as input to this function */ } if (!forceRPath && dynRPath && !dynRunPath) { /* convert DT_RPATH to DT_RUNPATH */ wri(dynRPath->d_tag, DT_RUNPATH); dynRunPath = dynRPath; dynRPath = nullptr; changed = true; } else if (forceRPath && dynRunPath) { /* convert DT_RUNPATH to DT_RPATH */ wri(dynRunPath->d_tag, DT_RPATH); dynRPath = dynRunPath; dynRunPath = nullptr; changed = true; } if (rpath && rpath == newRPath) { return; } changed = true; bool rpathStrShared = false; size_t rpathSize = 0; if (rpath) { std::string_view rpathView {rpath}; rpathSize = rpathView.size(); size_t rpathStrReferences = 0; forAllStringReferences(shdrDynStr, [&] (auto refIdx) { if (rpathView.end() == std::string_view(strTab + rdi(refIdx)).end()) rpathStrReferences++; }); assert(rpathStrReferences >= 1); debug("Number of rpath references: %lu\n", rpathStrReferences); rpathStrShared = rpathStrReferences > 1; } /* Zero out the previous rpath to prevent retained dependencies in Nix. */ if (rpath && !rpathStrShared) { debug("Tainting old rpath with Xs\n"); memset(rpath, 'X', rpathSize); } debug("new rpath is '%s'\n", newRPath.c_str()); if (!rpathStrShared && newRPath.size() <= rpathSize) { if (rpath) memcpy(rpath, newRPath.c_str(), newRPath.size() + 1); return; } /* Grow the .dynstr section to make room for the new RPATH. */ debug("rpath is too long or shared, resizing...\n"); std::string & newDynStr = replaceSection(".dynstr", rdi(shdrDynStr.sh_size) + newRPath.size() + 1); setSubstr(newDynStr, rdi(shdrDynStr.sh_size), newRPath + '\0'); /* Update the DT_RUNPATH and DT_RPATH entries. */ if (dynRunPath || dynRPath) { if (dynRunPath) dynRunPath->d_un.d_val = shdrDynStr.sh_size; if (dynRPath) dynRPath->d_un.d_val = shdrDynStr.sh_size; } else { /* There is no DT_RUNPATH entry in the .dynamic section, so we have to grow the .dynamic section. */ std::string & newDynamic = replaceSection(".dynamic", rdi(shdrDynamic.sh_size) + sizeof(Elf_Dyn)); unsigned int idx = 0; for ( ; rdi(reinterpret_cast(newDynamic.c_str())[idx].d_tag) != DT_NULL; idx++) ; debug("DT_NULL index is %d\n", idx); /* Shift all entries down by one. */ setSubstr(newDynamic, sizeof(Elf_Dyn), std::string(newDynamic, 0, sizeof(Elf_Dyn) * (idx + 1))); /* Add the DT_RUNPATH entry at the top. */ Elf_Dyn newDyn; wri(newDyn.d_tag, forceRPath ? DT_RPATH : DT_RUNPATH); newDyn.d_un.d_val = shdrDynStr.sh_size; setSubstr(newDynamic, 0, std::string((char *) &newDyn, sizeof(Elf_Dyn))); } this->rewriteSections(); } template void ElfFile::removeNeeded(const std::set & libs) { if (libs.empty()) return; auto shdrDynamic = findSectionHeader(".dynamic"); auto shdrDynStr = findSectionHeader(".dynstr"); char * strTab = (char *) fileContents->data() + rdi(shdrDynStr.sh_offset); auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); Elf_Dyn * last = dyn; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_NEEDED) { char * name = strTab + rdi(dyn->d_un.d_val); if (libs.count(name)) { debug("removing DT_NEEDED entry '%s'\n", name); changed = true; } else { debug("keeping DT_NEEDED entry '%s'\n", name); *last++ = *dyn; } } else *last++ = *dyn; } memset(last, 0, sizeof(Elf_Dyn) * (dyn - last)); this->rewriteSections(); } template void ElfFile::replaceNeeded(const std::map & libs) { if (libs.empty()) return; auto shdrDynamic = findSectionHeader(".dynamic"); auto shdrDynStr = findSectionHeader(".dynstr"); char * strTab = (char *) fileContents->data() + rdi(shdrDynStr.sh_offset); auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); unsigned int verNeedNum = 0; unsigned int dynStrAddedBytes = 0; std::unordered_map addedStrings; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_NEEDED) { char * name = strTab + rdi(dyn->d_un.d_val); auto i = libs.find(name); if (i != libs.end() && name != i->second) { auto replacement = i->second; debug("replacing DT_NEEDED entry '%s' with '%s'\n", name, replacement.c_str()); auto a = addedStrings.find(replacement); // the same replacement string has already been added, reuse it if (a != addedStrings.end()) { wri(dyn->d_un.d_val, a->second); continue; } // technically, the string referred by d_val could be used otherwise, too (although unlikely) // we'll therefore add a new string debug("resizing .dynstr ...\n"); // relative location of the new string Elf_Off strOffset = rdi(shdrDynStr.sh_size) + dynStrAddedBytes; std::string & newDynStr = replaceSection(".dynstr", strOffset + replacement.size() + 1); setSubstr(newDynStr, strOffset, replacement + '\0'); wri(dyn->d_un.d_val, strOffset); addedStrings[replacement] = strOffset; dynStrAddedBytes += replacement.size() + 1; changed = true; } else { debug("keeping DT_NEEDED entry '%s'\n", name); } } if (rdi(dyn->d_tag) == DT_VERNEEDNUM) { verNeedNum = rdi(dyn->d_un.d_val); } } // If a replaced library uses symbol versions, then there will also be // references to it in the "version needed" table, and these also need to // be replaced. if (verNeedNum) { auto shdrVersionR = findSectionHeader(".gnu.version_r"); // The filename strings in the .gnu.version_r are different from the // ones in .dynamic: instead of being in .dynstr, they're in some // arbitrary section and we have to look in ->sh_link to figure out // which one. Elf_Shdr & shdrVersionRStrings = shdrs.at(rdi(shdrVersionR.sh_link)); // this is where we find the actual filename strings char * verStrTab = (char *) fileContents->data() + rdi(shdrVersionRStrings.sh_offset); // and we also need the name of the section containing the strings, so // that we can pass it to replaceSection std::string versionRStringsSName = getSectionName(shdrVersionRStrings); debug("found .gnu.version_r with %i entries, strings in %s\n", verNeedNum, versionRStringsSName.c_str()); unsigned int verStrAddedBytes = 0; // It may be that it is .dynstr again, in which case we must take the already // added bytes into account. if (versionRStringsSName == ".dynstr") verStrAddedBytes += dynStrAddedBytes; else // otherwise the already added strings can't be reused addedStrings.clear(); auto need = (Elf_Verneed *)(fileContents->data() + rdi(shdrVersionR.sh_offset)); while (verNeedNum > 0) { char * file = verStrTab + rdi(need->vn_file); auto i = libs.find(file); if (i != libs.end() && file != i->second) { auto replacement = i->second; debug("replacing .gnu.version_r entry '%s' with '%s'\n", file, replacement.c_str()); auto a = addedStrings.find(replacement); // the same replacement string has already been added, reuse it if (a != addedStrings.end()) { wri(need->vn_file, a->second); } else { debug("resizing string section %s ...\n", versionRStringsSName.c_str()); Elf_Off strOffset = rdi(shdrVersionRStrings.sh_size) + verStrAddedBytes; std::string & newVerDynStr = replaceSection(versionRStringsSName, strOffset + replacement.size() + 1); setSubstr(newVerDynStr, strOffset, replacement + '\0'); wri(need->vn_file, strOffset); addedStrings[replacement] = strOffset; verStrAddedBytes += replacement.size() + 1; } changed = true; } else { debug("keeping .gnu.version_r entry '%s'\n", file); } // the Elf_Verneed structures form a linked list, so jump to next entry need = (Elf_Verneed *) (((char *) need) + rdi(need->vn_next)); --verNeedNum; } } this->rewriteSections(); } template void ElfFile::addNeeded(const std::set & libs) { if (libs.empty()) return; auto shdrDynamic = findSectionHeader(".dynamic"); auto shdrDynStr = findSectionHeader(".dynstr"); unsigned int length = 0; /* add all new libs to the dynstr string table */ for (auto &lib : libs) length += lib.size() + 1; std::string & newDynStr = replaceSection(".dynstr", rdi(shdrDynStr.sh_size) + length + 1); std::set libStrings; unsigned int pos = 0; for (auto & i : libs) { setSubstr(newDynStr, rdi(shdrDynStr.sh_size) + pos, i + '\0'); libStrings.insert(rdi(shdrDynStr.sh_size) + pos); pos += i.size() + 1; } /* add all new needed entries to the dynamic section */ std::string & newDynamic = replaceSection(".dynamic", rdi(shdrDynamic.sh_size) + sizeof(Elf_Dyn) * libs.size()); unsigned int idx = 0; for ( ; rdi(reinterpret_cast(newDynamic.c_str())[idx].d_tag) != DT_NULL; idx++) ; debug("DT_NULL index is %d\n", idx); /* Shift all entries down by the number of new entries. */ setSubstr(newDynamic, sizeof(Elf_Dyn) * libs.size(), std::string(newDynamic, 0, sizeof(Elf_Dyn) * (idx + 1))); /* Add the DT_NEEDED entries at the top. */ unsigned int i = 0; for (auto & j : libStrings) { Elf_Dyn newDyn; wri(newDyn.d_tag, DT_NEEDED); wri(newDyn.d_un.d_val, j); setSubstr(newDynamic, i * sizeof(Elf_Dyn), std::string((char *) &newDyn, sizeof(Elf_Dyn))); i++; } changed = true; this->rewriteSections(); } template void ElfFile::printNeededLibs() const { const auto shdrDynamic = findSectionHeader(".dynamic"); const auto shdrDynStr = findSectionHeader(".dynstr"); const char *strTab = (const char *)fileContents->data() + rdi(shdrDynStr.sh_offset); const Elf_Dyn *dyn = (const Elf_Dyn *) (fileContents->data() + rdi(shdrDynamic.sh_offset)); for (; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_NEEDED) { const char *name = strTab + rdi(dyn->d_un.d_val); printf("%s\n", name); } } } template void ElfFile::noDefaultLib() { auto shdrDynamic = findSectionHeader(".dynamic"); auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); auto dynFlags1 = (Elf_Dyn *)nullptr; for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_FLAGS_1) { dynFlags1 = dyn; break; } } if (dynFlags1) { if (dynFlags1->d_un.d_val & DF_1_NODEFLIB) return; dynFlags1->d_un.d_val |= DF_1_NODEFLIB; } else { std::string & newDynamic = replaceSection(".dynamic", rdi(shdrDynamic.sh_size) + sizeof(Elf_Dyn)); unsigned int idx = 0; for ( ; rdi(reinterpret_cast(newDynamic.c_str())[idx].d_tag) != DT_NULL; idx++) ; debug("DT_NULL index is %d\n", idx); /* Shift all entries down by one. */ setSubstr(newDynamic, sizeof(Elf_Dyn), std::string(newDynamic, 0, sizeof(Elf_Dyn) * (idx + 1))); /* Add the DT_FLAGS_1 entry at the top. */ Elf_Dyn newDyn; wri(newDyn.d_tag, DT_FLAGS_1); newDyn.d_un.d_val = DF_1_NODEFLIB; setSubstr(newDynamic, 0, std::string((char *) &newDyn, sizeof(Elf_Dyn))); } this->rewriteSections(); changed = true; } template void ElfFile::addDebugTag() { auto shdrDynamic = findSectionHeader(".dynamic"); auto dyn = (Elf_Dyn *)(fileContents->data() + rdi(shdrDynamic.sh_offset)); for ( ; rdi(dyn->d_tag) != DT_NULL; dyn++) { if (rdi(dyn->d_tag) == DT_DEBUG) { return; } } std::string & newDynamic = replaceSection(".dynamic", rdi(shdrDynamic.sh_size) + sizeof(Elf_Dyn)); unsigned int idx = 0; for ( ; rdi(reinterpret_cast(newDynamic.c_str())[idx].d_tag) != DT_NULL; idx++) ; debug("DT_NULL index is %d\n", idx); /* Shift all entries down by one. */ setSubstr(newDynamic, sizeof(Elf_Dyn), std::string(newDynamic, 0, sizeof(Elf_Dyn) * (idx + 1))); /* Add the DT_DEBUG entry at the top. */ Elf_Dyn newDyn; wri(newDyn.d_tag, DT_DEBUG); newDyn.d_un.d_val = 0; setSubstr(newDynamic, 0, std::string((char *) &newDyn, sizeof(Elf_Dyn))); this->rewriteSections(); changed = true; } static uint32_t gnuHash(std::string_view name) { uint32_t h = 5381; for (uint8_t c : name) h = ((h << 5) + h) + c; return h; } template auto ElfFile::parseGnuHashTable(span sectionData) -> GnuHashTable { auto hdr = (typename GnuHashTable::Header*)sectionData.begin(); auto bloomFilters = span((typename GnuHashTable::BloomWord*)(hdr+1), rdi(hdr->maskwords)); auto buckets = span((uint32_t*)bloomFilters.end(), rdi(hdr->numBuckets)); auto table = span(buckets.end(), ((uint32_t*)sectionData.end()) - buckets.end()); return GnuHashTable{*hdr, bloomFilters, buckets, table}; } template void ElfFile::rebuildGnuHashTable(span strTab, span dynsyms) { auto sectionData = tryGetSectionSpan(".gnu.hash"); if (!sectionData) return; auto ght = parseGnuHashTable(sectionData); // We can't trust the value of symndx when the hash table is empty if (ght.m_table.size() == 0) return; // The hash table includes only a subset of dynsyms auto firstSymIdx = rdi(ght.m_hdr.symndx); dynsyms = span(&dynsyms[firstSymIdx], dynsyms.end()); // Only use the range of symbol versions that will be changed auto versyms = tryGetSectionSpan(".gnu.version"); if (versyms) versyms = span(&versyms[firstSymIdx], versyms.end()); struct Entry { uint32_t hash, bucketIdx, originalPos; }; std::vector entries; entries.reserve(dynsyms.size()); uint32_t pos = 0; // Track the original position of the symbol in the table for (auto& sym : dynsyms) { Entry e; e.hash = gnuHash(&strTab[rdi(sym.st_name)]); e.bucketIdx = e.hash % ght.m_buckets.size(); e.originalPos = pos++; entries.push_back(e); } // Sort the entries based on the buckets. This is a requirement for gnu hash table to work std::sort(entries.begin(), entries.end(), [&] (auto& l, auto& r) { return l.bucketIdx < r.bucketIdx; }); // Create a map of old positions to new positions after sorting std::vector old2new(entries.size()); for (size_t i = 0; i < entries.size(); ++i) old2new[entries[i].originalPos] = i; // Update the symbol table with the new order and // all tables that refer to symbols through indexes in the symbol table auto reorderSpan = [] (auto dst, auto& old2new) { std::vector tmp(dst.begin(), dst.end()); for (size_t i = 0; i < tmp.size(); ++i) dst[old2new[i]] = tmp[i]; }; reorderSpan(dynsyms, old2new); if (versyms) reorderSpan(versyms, old2new); auto remapSymbolId = [&old2new, firstSymIdx] (auto& oldSymIdx) { return oldSymIdx >= firstSymIdx ? old2new[oldSymIdx - firstSymIdx] + firstSymIdx : oldSymIdx; }; for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i) { auto& shdr = shdrs.at(i); auto shtype = rdi(shdr.sh_type); if (shtype == SHT_REL) changeRelocTableSymIds(shdr, remapSymbolId); else if (shtype == SHT_RELA) changeRelocTableSymIds(shdr, remapSymbolId); } // Update bloom filters std::fill(ght.m_bloomFilters.begin(), ght.m_bloomFilters.end(), 0); for (size_t i = 0; i < entries.size(); ++i) { auto h = entries[i].hash; size_t idx = (h / ElfClass) % ght.m_bloomFilters.size(); auto val = rdi(ght.m_bloomFilters[idx]); val |= uint64_t(1) << (h % ElfClass); val |= uint64_t(1) << ((h >> rdi(ght.m_hdr.shift2)) % ElfClass); wri(ght.m_bloomFilters[idx], val); } // Fill buckets std::fill(ght.m_buckets.begin(), ght.m_buckets.end(), 0); for (size_t i = 0; i < entries.size(); ++i) { auto symBucketIdx = entries[i].bucketIdx; if (!ght.m_buckets[symBucketIdx]) wri(ght.m_buckets[symBucketIdx], i + firstSymIdx); } // Fill hash table for (size_t i = 0; i < entries.size(); ++i) { auto& n = entries[i]; bool isLast = (i == entries.size() - 1) || (n.bucketIdx != entries[i+1].bucketIdx); // Add hash with first bit indicating end of chain wri(ght.m_table[i], isLast ? (n.hash | 1) : (n.hash & ~1)); } } static uint32_t sysvHash(std::string_view name) { uint32_t h = 0; for (uint8_t c : name) { h = (h << 4) + c; uint32_t g = h & 0xf0000000; if (g != 0) h ^= g >> 24; h &= ~g; } return h; } template auto ElfFile::parseHashTable(span sectionData) -> HashTable { auto hdr = (typename HashTable::Header*)sectionData.begin(); auto buckets = span((uint32_t*)(hdr+1), rdi(hdr->numBuckets)); auto table = span(buckets.end(), ((uint32_t*)sectionData.end()) - buckets.end()); return HashTable{*hdr, buckets, table}; } template void ElfFile::rebuildHashTable(span strTab, span dynsyms) { auto sectionData = tryGetSectionSpan(".hash"); if (!sectionData) return; auto ht = parseHashTable(sectionData); std::fill(ht.m_buckets.begin(), ht.m_buckets.end(), 0); std::fill(ht.m_chain.begin(), ht.m_chain.end(), 0); // The hash table includes only a subset of dynsyms auto firstSymIdx = dynsyms.size() - ht.m_chain.size(); dynsyms = span(&dynsyms[firstSymIdx], dynsyms.end()); for (auto& sym : dynsyms) { auto name = &strTab[rdi(sym.st_name)]; uint32_t i = &sym - dynsyms.begin(); uint32_t hash = sysvHash(name) % ht.m_buckets.size(); wri(ht.m_chain[i], rdi(ht.m_buckets[hash])); wri(ht.m_buckets[hash], i); } } template void ElfFile::renameDynamicSymbols(const std::unordered_map& remap) { auto dynsyms = getSectionSpan(".dynsym"); auto strTab = getSectionSpan(".dynstr"); std::vector extraStrings; extraStrings.reserve(remap.size() * 30); // Just an estimate for (auto& dynsym : dynsyms) { std::string_view name = &strTab[rdi(dynsym.st_name)]; auto it = remap.find(name); if (it != remap.end()) { wri(dynsym.st_name, strTab.size() + extraStrings.size()); auto& newName = it->second; debug("renaming dynamic symbol %s to %s\n", name.data(), it->second.c_str()); extraStrings.insert(extraStrings.end(), newName.begin(), newName.end() + 1); changed = true; } else { debug("skip renaming dynamic symbol %sn", name.data()); } } if (!extraStrings.empty()) { auto newStrTabSize = strTab.size() + extraStrings.size(); auto& newSec = replaceSection(".dynstr", newStrTabSize); auto newStrTabSpan = span(newSec.data(), newStrTabSize); std::copy(extraStrings.begin(), extraStrings.end(), &newStrTabSpan[strTab.size()]); rebuildGnuHashTable(newStrTabSpan, dynsyms); rebuildHashTable(newStrTabSpan, dynsyms); } this->rewriteSections(); } template void ElfFile::clearSymbolVersions(const std::set & syms) { if (syms.empty()) return; auto shdrDynStr = findSectionHeader(".dynstr"); auto shdrDynsym = findSectionHeader(".dynsym"); auto shdrVersym = findSectionHeader(".gnu.version"); auto strTab = (char *)fileContents->data() + rdi(shdrDynStr.sh_offset); auto dynsyms = (Elf_Sym *)(fileContents->data() + rdi(shdrDynsym.sh_offset)); auto versyms = (Elf_Versym *)(fileContents->data() + rdi(shdrVersym.sh_offset)); size_t count = rdi(shdrDynsym.sh_size) / sizeof(Elf_Sym); if (count != rdi(shdrVersym.sh_size) / sizeof(Elf_Versym)) error("versym size mismatch"); for (size_t i = 0; i < count; i++) { auto dynsym = dynsyms[i]; auto name = strTab + rdi(dynsym.st_name); if (syms.count(name)) { debug("clearing symbol version for %s\n", name); wri(versyms[i], 1); } } changed = true; this->rewriteSections(); } template void ElfFile::modifyExecstack(ExecstackMode op) { if (op == ExecstackMode::clear || op == ExecstackMode::set) { size_t nullhdr = (size_t)-1; for (size_t i = 0; i < phdrs.size(); i++) { auto & header = phdrs[i]; const auto type = rdi(header.p_type); if (type != PT_GNU_STACK) { if (!nullhdr && type == PT_NULL) nullhdr = i; continue; } if (op == ExecstackMode::clear && (rdi(header.p_flags) & PF_X) == PF_X) { debug("simple execstack clear of header %zu\n", i); wri(header.p_flags, rdi(header.p_flags) & ~PF_X); * ((Elf_Phdr *) (fileContents->data() + rdi(hdr()->e_phoff)) + i) = header; changed = true; } else if (op == ExecstackMode::set && (rdi(header.p_flags) & PF_X) != PF_X) { debug("simple execstack set of header %zu\n", i); wri(header.p_flags, rdi(header.p_flags) | PF_X); * ((Elf_Phdr *) (fileContents->data() + rdi(hdr()->e_phoff)) + i) = header; changed = true; } else { debug("execstack already in requested state\n"); } return; } if (nullhdr != (size_t)-1) { debug("replacement execstack of header %zu\n", nullhdr); auto & header = phdrs[nullhdr]; header = {}; wri(header.p_type, PT_GNU_STACK); wri(header.p_flags, PF_R | PF_W | (op == ExecstackMode::set ? PF_X : 0)); wri(header.p_align, 0x1); * ((Elf_Phdr *) (fileContents->data() + rdi(hdr()->e_phoff)) + nullhdr) = header; changed = true; return; } debug("header addition for execstack\n"); Elf_Phdr new_phdr = {}; wri(new_phdr.p_type, PT_GNU_STACK); wri(new_phdr.p_flags, PF_R | PF_W | (op == ExecstackMode::set ? PF_X : 0)); wri(new_phdr.p_align, 0x1); phdrs.push_back(new_phdr); wri(hdr()->e_phnum, rdi(hdr()->e_phnum) + 1); changed = true; rewriteSections(true); return; } char result = '?'; for (const auto & header : phdrs) { if (rdi(header.p_type) != PT_GNU_STACK) continue; if ((rdi(header.p_flags) & PF_X) == PF_X) result = 'X'; else result = '-'; break; } printf("execstack: %c\n", result); } template template void ElfFile::forAllStringReferences(const Elf_Shdr& strTabHdr, StrIdxCallback&& fn) { for (auto& sym : tryGetSectionSpan(".dynsym")) fn(sym.st_name); for (auto& dyn : tryGetSectionSpan(".dynamic")) switch (rdi(dyn.d_tag)) { case DT_NEEDED: case DT_SONAME: case DT_RPATH: case DT_RUNPATH: fn(dyn.d_un.d_val); default:; } if (auto verdHdr = tryFindSectionHeader(".gnu.version_d")) { if (&shdrs.at(rdi(verdHdr->get().sh_link)) == &strTabHdr) forAll_ElfVer(getSectionSpan(*verdHdr), [] (auto& /*vd*/) {}, [&] (auto& vda) { fn(vda.vda_name); } ); } if (auto vernHdr = tryFindSectionHeader(".gnu.version_r")) { if (&shdrs.at(rdi(vernHdr->get().sh_link)) == &strTabHdr) forAll_ElfVer(getSectionSpan(*vernHdr), [&] (auto& vn) { fn(vn.vn_file); }, [&] (auto& vna) { fn(vna.vna_name); } ); } } static bool printInterpreter = false; static bool printOsAbi = false; static bool setOsAbi = false; static std::string newOsAbi; static bool printSoname = false; static bool setSoname = false; static std::string newSoname; static std::string newInterpreter; static bool shrinkRPath = false; static std::vector allowedRpathPrefixes; static bool removeRPath = false; static bool setRPath = false; static bool addRPath = false; static bool addDebugTag = false; static bool renameDynamicSymbols = false; static bool printRPath = false; static std::string newRPath; static std::set neededLibsToRemove; static std::map neededLibsToReplace; static std::set neededLibsToAdd; static std::set symbolsToClearVersion; static std::unordered_map symbolsToRename; static std::unordered_set symbolsToRenameKeys; static bool printNeeded = false; static bool noDefaultLib = false; static bool printExecstack = false; static bool clearExecstack = false; static bool setExecstack = false; template static void patchElf2(ElfFile && elfFile, const FileContents & fileContents, const std::string & fileName) { if (printInterpreter) printf("%s\n", elfFile.getInterpreter().c_str()); if (printOsAbi) elfFile.modifyOsAbi(elfFile.printOsAbi, ""); if (setOsAbi) elfFile.modifyOsAbi(elfFile.replaceOsAbi, newOsAbi); if (printSoname) elfFile.modifySoname(elfFile.printSoname, ""); if (setSoname) elfFile.modifySoname(elfFile.replaceSoname, newSoname); if (!newInterpreter.empty()) elfFile.setInterpreter(newInterpreter); if (printRPath) elfFile.modifyRPath(elfFile.rpPrint, {}, ""); if (printExecstack) elfFile.modifyExecstack(ElfFile::ExecstackMode::print); else if (clearExecstack) elfFile.modifyExecstack(ElfFile::ExecstackMode::clear); else if (setExecstack) elfFile.modifyExecstack(ElfFile::ExecstackMode::set); if (shrinkRPath) elfFile.modifyRPath(elfFile.rpShrink, allowedRpathPrefixes, ""); else if (removeRPath) elfFile.modifyRPath(elfFile.rpRemove, {}, ""); else if (setRPath) elfFile.modifyRPath(elfFile.rpSet, {}, newRPath); else if (addRPath) elfFile.modifyRPath(elfFile.rpAdd, {}, newRPath); if (printNeeded) elfFile.printNeededLibs(); elfFile.removeNeeded(neededLibsToRemove); elfFile.replaceNeeded(neededLibsToReplace); elfFile.addNeeded(neededLibsToAdd); elfFile.clearSymbolVersions(symbolsToClearVersion); if (noDefaultLib) elfFile.noDefaultLib(); if (addDebugTag) elfFile.addDebugTag(); if (renameDynamicSymbols) elfFile.renameDynamicSymbols(symbolsToRename); if (elfFile.isChanged()){ writeFile(fileName, elfFile.fileContents); } else if (alwaysWrite) { debug("not modified, but alwaysWrite=true\n"); writeFile(fileName, fileContents); } } static void patchElf() { for (const auto & fileName : fileNames) { if (!printInterpreter && !printRPath && !printSoname && !printNeeded) debug("patching ELF file '%s'\n", fileName.c_str()); auto fileContents = readFile(fileName); const std::string & outputFileName2 = outputFileName.empty() ? fileName : outputFileName; if (getElfType(fileContents).is32Bit) patchElf2(ElfFile(fileContents), fileContents, outputFileName2); else patchElf2(ElfFile(fileContents), fileContents, outputFileName2); } } [[nodiscard]] static std::string resolveArgument(const char *arg) { if (strlen(arg) > 0 && arg[0] == '@') { FileContents cnts = readFile(arg + 1); return std::string((char *)cnts->data(), cnts->size()); } return std::string(arg); } static void showHelp(const std::string & progName) { fprintf(stderr, "syntax: %s\n\ [--set-interpreter FILENAME]\n\ [--page-size SIZE]\n\ [--print-interpreter]\n\ [--print-os-abi]\t\tPrints 'EI_OSABI' field of ELF header\n\ [--set-os-abi ABI]\t\tSets 'EI_OSABI' field of ELF header to ABI.\n\ [--print-soname]\t\tPrints 'DT_SONAME' entry of .dynamic section. Raises an error if DT_SONAME doesn't exist\n\ [--set-soname SONAME]\t\tSets 'DT_SONAME' entry to SONAME.\n\ [--set-rpath RPATH]\n\ [--add-rpath RPATH]\n\ [--remove-rpath]\n\ [--shrink-rpath]\n\ [--allowed-rpath-prefixes PREFIXES]\t\tWith '--shrink-rpath', reject rpath entries not starting with the allowed prefix\n\ [--print-rpath]\n\ [--force-rpath]\n\ [--add-needed LIBRARY]\n\ [--remove-needed LIBRARY]\n\ [--replace-needed LIBRARY NEW_LIBRARY]\n\ [--print-needed]\n\ [--no-default-lib]\n\ [--no-sort]\t\tDo not sort program+section headers; useful for debugging patchelf.\n\ [--clear-symbol-version SYMBOL]\n\ [--add-debug-tag]\n\ [--print-execstack]\t\tPrints whether the object requests an executable stack\n\ [--clear-execstack]\n\ [--set-execstack]\n\ [--rename-dynamic-symbols NAME_MAP_FILE]\tRenames dynamic symbols. The map file should contain two symbols (old_name new_name) per line\n\ [--output FILE]\n\ [--debug]\n\ [--version]\n\ FILENAME...\n", progName.c_str()); } static int mainWrapped(int argc, char * * argv) { if (argc <= 1) { showHelp(argv[0]); return 1; } if (getenv("PATCHELF_DEBUG") != nullptr) debugMode = true; int i; for (i = 1; i < argc; ++i) { std::string arg(argv[i]); if (arg == "--set-interpreter" || arg == "--interpreter") { if (++i == argc) error("missing argument"); newInterpreter = resolveArgument(argv[i]); } else if (arg == "--page-size") { if (++i == argc) error("missing argument"); forcedPageSize = atoi(argv[i]); if (forcedPageSize <= 0) error("invalid argument to --page-size"); } else if (arg == "--print-interpreter") { printInterpreter = true; } else if (arg == "--print-os-abi") { printOsAbi = true; } else if (arg == "--set-os-abi") { if (++i == argc) error("missing argument"); setOsAbi = true; newOsAbi = resolveArgument(argv[i]); } else if (arg == "--print-soname") { printSoname = true; } else if (arg == "--set-soname") { if (++i == argc) error("missing argument"); setSoname = true; newSoname = resolveArgument(argv[i]); } else if (arg == "--remove-rpath") { removeRPath = true; } else if (arg == "--shrink-rpath") { shrinkRPath = true; } else if (arg == "--allowed-rpath-prefixes") { if (++i == argc) error("missing argument"); allowedRpathPrefixes = splitColonDelimitedString(argv[i]); } else if (arg == "--set-rpath") { if (++i == argc) error("missing argument"); setRPath = true; newRPath = resolveArgument(argv[i]); } else if (arg == "--add-rpath") { if (++i == argc) error("missing argument"); addRPath = true; newRPath = resolveArgument(argv[i]); } else if (arg == "--print-rpath") { printRPath = true; } else if (arg == "--force-rpath") { /* Generally we prefer to emit DT_RUNPATH instead of DT_RPATH, as the latter is obsolete. However, there is a slight semantic difference: DT_RUNPATH is "scoped", it only affects the executable or library in question, not its recursive imports. So maybe you really want to force the use of DT_RPATH. That's what this option does. Without it, DT_RPATH (if encountered) is converted to DT_RUNPATH, and if neither is present, a DT_RUNPATH is added. With it, DT_RPATH isn't converted to DT_RUNPATH, and if neither is present, a DT_RPATH is added. */ forceRPath = true; } else if (arg == "--print-needed") { printNeeded = true; } else if (arg == "--no-sort") { noSort = true; } else if (arg == "--add-needed") { if (++i == argc) error("missing argument"); neededLibsToAdd.insert(resolveArgument(argv[i])); } else if (arg == "--remove-needed") { if (++i == argc) error("missing argument"); neededLibsToRemove.insert(resolveArgument(argv[i])); } else if (arg == "--replace-needed") { if (i+2 >= argc) error("missing argument(s)"); neededLibsToReplace[ argv[i+1] ] = argv[i+2]; i += 2; } else if (arg == "--clear-symbol-version") { if (++i == argc) error("missing argument"); symbolsToClearVersion.insert(resolveArgument(argv[i])); } else if (arg == "--print-execstack") { printExecstack = true; } else if (arg == "--clear-execstack") { clearExecstack = true; } else if (arg == "--set-execstack") { setExecstack = true; } else if (arg == "--output") { if (++i == argc) error("missing argument"); outputFileName = resolveArgument(argv[i]); alwaysWrite = true; } else if (arg == "--debug") { debugMode = true; } else if (arg == "--no-default-lib") { noDefaultLib = true; } else if (arg == "--add-debug-tag") { addDebugTag = true; } else if (arg == "--rename-dynamic-symbols") { renameDynamicSymbols = true; if (++i == argc) error("missing argument"); const char* fname = argv[i]; std::ifstream infile(fname); if (!infile) error(fmt("Cannot open map file ", fname)); std::string line, from, to; size_t lineCount = 1; while (std::getline(infile, line)) { std::istringstream iss(line); if (!(iss >> from)) break; if (!(iss >> to)) error(fmt(fname, ":", lineCount, ": Map file line is missing the second element")); if (symbolsToRenameKeys.count(from)) error(fmt(fname, ":", lineCount, ": Name '", from, "' appears twice in the map file")); if (from.find('@') != std::string_view::npos || to.find('@') != std::string_view::npos) error(fmt(fname, ":", lineCount, ": Name pair contains version tag: ", from, " ", to)); lineCount++; symbolsToRename[*symbolsToRenameKeys.insert(from).first] = to; } } else if (arg == "--help" || arg == "-h" ) { showHelp(argv[0]); return 0; } else if (arg == "--version") { printf(PACKAGE_STRING "\n"); return 0; } else { fileNames.push_back(arg); } } if (fileNames.empty()) error("missing filename"); if (!outputFileName.empty() && fileNames.size() != 1) error("--output option only allowed with single input file"); if (setRPath && addRPath) error("--set-rpath option not allowed with --add-rpath"); patchElf(); return 0; } int main(int argc, char * * argv) { try { return mainWrapped(argc, argv); } catch (std::exception & e) { fprintf(stderr, "patchelf: %s\n", e.what()); return 1; } } patchelf-0.18.0/src/patchelf.h000066400000000000000000000220241442121340000161030ustar00rootroot00000000000000#include #include #include #include #include #include #include #include "elf.h" using FileContents = std::shared_ptr>; #define ElfFileParams class Elf_Ehdr, class Elf_Phdr, class Elf_Shdr, class Elf_Addr, class Elf_Off, class Elf_Dyn, class Elf_Sym, class Elf_Versym, class Elf_Verdef, class Elf_Verdaux, class Elf_Verneed, class Elf_Vernaux, class Elf_Rel, class Elf_Rela, unsigned ElfClass #define ElfFileParamNames Elf_Ehdr, Elf_Phdr, Elf_Shdr, Elf_Addr, Elf_Off, Elf_Dyn, Elf_Sym, Elf_Versym, Elf_Verdef, Elf_Verdaux, Elf_Verneed, Elf_Vernaux, Elf_Rel, Elf_Rela, ElfClass template struct span { explicit span(T* d = {}, size_t l = {}) : data(d), len(l) {} span(T* from, T* to) : data(from), len(to-from) { assert(from <= to); } T& operator[](std::size_t i) { checkRange(i); return data[i]; } T* begin() { return data; } T* end() { return data + len; } auto size() const { return len; } explicit operator bool() const { return size() > 0; } private: void checkRange(std::size_t i) { if (i >= size()) throw std::out_of_range("error: Span access out of range."); } T* data; size_t len; }; template class ElfFile { public: const FileContents fileContents; private: std::vector phdrs; std::vector shdrs; bool littleEndian; bool changed = false; bool isExecutable = false; using SectionName = std::string; using ReplacedSections = std::map; ReplacedSections replacedSections; std::string sectionNames; /* content of the .shstrtab section */ /* Align on 4 or 8 bytes boundaries on 32- or 64-bit platforms respectively. */ static constexpr size_t sectionAlignment = sizeof(Elf_Off); std::vector sectionsByOldIndex; public: explicit ElfFile(FileContents fileContents); [[nodiscard]] bool isChanged() const noexcept { return changed; } private: struct CompPhdr { const ElfFile * elfFile; bool operator ()(const Elf_Phdr & x, const Elf_Phdr & y) const noexcept { // A PHDR comes before everything else. if (elfFile->rdi(y.p_type) == PT_PHDR) return false; if (elfFile->rdi(x.p_type) == PT_PHDR) return true; // Sort non-PHDRs by address. return elfFile->rdi(x.p_paddr) < elfFile->rdi(y.p_paddr); } }; void sortPhdrs(); struct CompShdr { const ElfFile * elfFile; bool operator ()(const Elf_Shdr & x, const Elf_Shdr & y) const noexcept { return elfFile->rdi(x.sh_offset) < elfFile->rdi(y.sh_offset); } }; [[nodiscard]] unsigned int getPageSize() const noexcept; void sortShdrs(); void shiftFile(unsigned int extraPages, size_t sizeOffset, size_t extraBytes); [[nodiscard]] std::string getSectionName(const Elf_Shdr & shdr) const; const Elf_Shdr & findSectionHeader(const SectionName & sectionName) const; [[nodiscard]] std::optional> tryFindSectionHeader(const SectionName & sectionName) const; template span getSectionSpan(const Elf_Shdr & shdr) const; template span getSectionSpan(const SectionName & sectionName); template span tryGetSectionSpan(const SectionName & sectionName); [[nodiscard]] unsigned int getSectionIndex(const SectionName & sectionName) const; std::string & replaceSection(const SectionName & sectionName, unsigned int size); [[nodiscard]] bool haveReplacedSection(const SectionName & sectionName) const; void writeReplacedSections(Elf_Off & curOff, Elf_Addr startAddr, Elf_Off startOffset); void rewriteHeaders(Elf_Addr phdrAddress); void rewriteSectionsLibrary(); void rewriteSectionsExecutable(); void normalizeNoteSegments(); public: void rewriteSections(bool force = false); [[nodiscard]] std::string getInterpreter() const; typedef enum { printOsAbi, replaceOsAbi } osAbiMode; void modifyOsAbi(osAbiMode op, const std::string & newOsAbi); typedef enum { printSoname, replaceSoname } sonameMode; void modifySoname(sonameMode op, const std::string & newSoname); void setInterpreter(const std::string & newInterpreter); typedef enum { rpPrint, rpShrink, rpSet, rpAdd, rpRemove } RPathOp; void modifyRPath(RPathOp op, const std::vector & allowedRpathPrefixes, std::string newRPath); std::string shrinkRPath(char* rpath, std::vector &neededLibs, const std::vector & allowedRpathPrefixes); void removeRPath(Elf_Shdr & shdrDynamic); void addNeeded(const std::set & libs); void removeNeeded(const std::set & libs); void replaceNeeded(const std::map & libs); void printNeededLibs() const; void noDefaultLib(); void addDebugTag(); void renameDynamicSymbols(const std::unordered_map&); void clearSymbolVersions(const std::set & syms); enum class ExecstackMode { print, set, clear }; void modifyExecstack(ExecstackMode op); private: struct GnuHashTable { using BloomWord = Elf_Addr; struct Header { uint32_t numBuckets, symndx, maskwords, shift2; } m_hdr; span m_bloomFilters; span m_buckets, m_table; }; GnuHashTable parseGnuHashTable(span gh); struct HashTable { struct Header { uint32_t numBuckets, nchain; } m_hdr; span m_buckets, m_chain; }; HashTable parseHashTable(span gh); void rebuildGnuHashTable(span strTab, span dynsyms); void rebuildHashTable(span strTab, span dynsyms); using Elf_Rel_Info = decltype(Elf_Rel::r_info); uint32_t rel_getSymId(const Elf_Rel_Info& info) const { if constexpr (std::is_same_v) return ELF64_R_SYM(info); else return ELF32_R_SYM(info); } Elf_Rel_Info rel_setSymId(Elf_Rel_Info info, uint32_t id) const { if constexpr (std::is_same_v) { constexpr Elf_Rel_Info idmask = (~Elf_Rel_Info()) << 32; info = (info & ~idmask) | (Elf_Rel_Info(id) << 32); } else { constexpr Elf_Rel_Info idmask = (~Elf_Rel_Info()) << 8; info = (info & ~idmask) | (Elf_Rel_Info(id) << 8); } return info; } template void changeRelocTableSymIds(const Elf_Shdr& shdr, RemapFn&& old2newSymId) { static_assert(std::is_same_v || std::is_same_v); for (auto& r : getSectionSpan(shdr)) { auto info = rdi(r.r_info); auto oldSymIdx = rel_getSymId(info); auto newSymIdx = old2newSymId(oldSymIdx); if (newSymIdx != oldSymIdx) wri(r.r_info, rel_setSymId(info, newSymIdx)); } } template void forAllStringReferences(const Elf_Shdr& strTabHdr, StrIdxCallback&& fn); template auto follow(U* ptr, size_t offset) -> T* { return offset ? (T*)(((char*)ptr)+offset) : nullptr; }; template void forAll_ElfVer(span vdspan, VdFn&& vdfn, VaFn&& vafn) { auto* vd = vdspan.begin(); for (; vd; vd = follow(vd, rdi(vd->vd_next))) { vdfn(*vd); auto va = follow(vd, rdi(vd->vd_aux)); for (; va; va = follow(va, rdi(va->vda_next))) vafn(*va); } } template void forAll_ElfVer(span vnspan, VnFn&& vnfn, VaFn&& vafn) { auto* vn = vnspan.begin(); for (; vn; vn = follow(vn, rdi(vn->vn_next))) { vnfn(*vn); auto va = follow(vn, rdi(vn->vn_aux)); for (; va; va = follow(va, rdi(va->vna_next))) vafn(*va); } } /* Convert an integer in big or little endian representation (as specified by the ELF header) to this platform's integer representation. */ template constexpr I rdi(I i) const noexcept; /* Convert back to the ELF representation. */ template constexpr inline I wri(I & t, U i) const { I val = static_cast(i); if (static_cast(val) != i) throw std::runtime_error { "value truncation" }; t = rdi(val); return val; } [[nodiscard]] Elf_Ehdr *hdr() noexcept { return reinterpret_cast(fileContents->data()); } [[nodiscard]] const Elf_Ehdr *hdr() const noexcept { return reinterpret_cast(fileContents->data()); } }; patchelf-0.18.0/tests/000077500000000000000000000000001442121340000145175ustar00rootroot00000000000000patchelf-0.18.0/tests/Makefile.am000066400000000000000000000136551442121340000165650ustar00rootroot00000000000000LIBS = check_PROGRAMS = simple-pie simple simple-execstack main too-many-strtab main-scoped big-dynstr no-rpath contiguous-note-sections no_rpath_arch_TESTS = \ no-rpath-amd64.sh \ no-rpath-armel.sh \ no-rpath-armhf.sh \ no-rpath-hurd-i386.sh \ no-rpath-i386.sh \ no-rpath-ia64.sh \ no-rpath-kfreebsd-amd64.sh \ no-rpath-kfreebsd-i386.sh \ no-rpath-mips.sh \ no-rpath-mipsel.sh \ no-rpath-powerpc.sh \ no-rpath-s390.sh \ no-rpath-sh4.sh \ no-rpath-sparc.sh src_TESTS = \ plain-fail.sh plain-run.sh shrink-rpath.sh set-interpreter-short.sh \ set-interpreter-long.sh set-rpath.sh add-rpath.sh no-rpath.sh big-dynstr.sh \ set-rpath-library.sh soname.sh shrink-rpath-with-allowed-prefixes.sh \ set-rpath-rel-map.sh \ force-rpath.sh \ plain-needed.sh \ output-flag.sh \ too-many-strtab.sh \ no-rpath-pie-powerpc.sh \ build-id.sh \ invalid-elf.sh \ endianness.sh \ contiguous-note-sections.sh \ no-gnu-hash.sh \ change-abi.sh \ grow-file.sh \ no-dynamic-section.sh \ args-from-file.sh \ basic-flags.sh \ set-empty-rpath.sh \ phdr-corruption.sh \ replace-needed.sh \ replace-add-needed.sh \ add-debug-tag.sh \ repeated-updates.sh \ empty-note.sh \ print-execstack.sh \ modify-execstack.sh \ rename-dynamic-symbols.sh \ overlapping-segments-after-rounding.sh \ shared-rpath.sh \ short-first-segment.sh \ empty-note.sh build_TESTS = \ $(no_rpath_arch_TESTS) TESTS = $(src_TESTS) $(build_TESTS) EXTRA_DIST = no-rpath-prebuild $(src_TESTS) no-rpath-prebuild.sh invalid-elf endianness empty-note \ overlapping-segments-after-rounding short-first-segment.gz TESTS_ENVIRONMENT = PATCHELF_DEBUG=1 STRIP=$(STRIP) OBJDUMP=$(OBJDUMP) READELF=$(READELF) OBJCOPY=$(OBJCOPY) $(no_rpath_arch_TESTS): no-rpath-prebuild.sh @ln -s $< $@ CLEANFILES = big-dynstr.c clean-local: $(RM) -r scratch $(no_rpath_arch_TESTS) # by default, use -fpic to compile AM_CFLAGS = -fpic LDFLAGS_local = -Wl,--disable-new-dtags -Wl,-rpath-link=. -L. $(AM_LDFLAGS) LDFLAGS_sharedlib = -Wl,--disable-new-dtags -shared -L. $(AM_LDFLAGS) export NIX_DONT_SET_RPATH=1 export NIX_LDFLAGS= simple_SOURCES = simple.c # no -fpic for simple.o simple_CFLAGS = simple_LDFLAGS = -Wl,-z,noexecstack simple_pie_SOURCES = simple.c simple_pie_CFLAGS = -fPIC -pie simple_execstack_SOURCES = simple.c simple_execstack_CFLAGS = simple_execstack_LDFLAGS = -Wl,-z,execstack main_SOURCES = main.c main_LDADD = -lfoo $(AM_LDADD) main_DEPENDENCIES = libfoo.so main_LDFLAGS = $(LDFLAGS_local) main_scoped_SOURCES = main.c main_scoped_LDADD = -lfoo-scoped $(AM_LDADD) main_scoped_DEPENDENCIES = libfoo-scoped.so main_scoped_LDFLAGS = $(LDFLAGS_local) big-dynstr.c: main.c cat $< > big-dynstr.c i=1; while [ $$i -le 2000 ]; do echo "void f$$i(void) { };"; i=$$(($$i + 1)); done >> big-dynstr.c nodist_big_dynstr_SOURCES = big-dynstr.c big_dynstr_LDADD = -lfoo $(AM_LDADD) big_dynstr_DEPENDENCIES = libfoo.so big_dynstr_LDFLAGS = $(LDFLAGS_local) # somehow bug does not trigger if we use # normal autotools rules to build the program: # https://github.com/NixOS/patchelf/pull/303 libbig-dynstr.so: big-dynstr.c $(CC) -fPIC -shared -o $@ $< libbig-dynstr.debug: libbig-dynstr.so $(STRIP) --only-keep-debug libbig-dynstr.so -o libbig-dynstr.debug check_DATA = libbig-dynstr.debug # declare local shared libraries as programs as: # - without libtool, only archives (static libraries) can be built by automake # - with libtool, it is difficult to control options # - with libtool, it is not possible to compile convenience *dynamic* libraries :-( check_PROGRAMS += libfoo.so libfoo-scoped.so libbar.so libbar-scoped.so libsimple.so libsimple-execstack.so libbuildid.so libtoomanystrtab.so \ phdr-corruption.so many-syms-main libmany-syms.so liboveralign.so libshared-rpath.so libbuildid_so_SOURCES = simple.c libbuildid_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,--build-id libfoo_so_SOURCES = foo.c libfoo_so_LDADD = -lbar $(AM_LDADD) libfoo_so_DEPENDENCIES = libbar.so libfoo_so_LDFLAGS = $(LDFLAGS_sharedlib) libfoo_scoped_so_SOURCES = foo.c libfoo_scoped_so_LDADD = -lbar-scoped $(AM_LDADD) libfoo_scoped_so_DEPENDENCIES = libbar-scoped.so libfoo_scoped_so_LDFLAGS = $(LDFLAGS_sharedlib) libbar_so_SOURCES = bar.c libbar_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,-rpath,`pwd`/no-such-path libbar_scoped_so_SOURCES = bar.c libbar_scoped_so_LDFLAGS = $(LDFLAGS_sharedlib) libsimple_so_SOURCES = simple.c libsimple_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,-z,noexecstack liboveralign_so_SOURCES = simple.c liboveralign_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,-z,max-page-size=0x10000 libshared_rpath_so_SOURCES = shared-rpath.c libshared_rpath_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,-rpath=a_symbol_name libsimple_execstack_so_SOURCES = simple.c libsimple_execstack_so_LDFLAGS = $(LDFLAGS_sharedlib) -Wl,-z,execstack too_many_strtab_SOURCES = too-many-strtab.c too-many-strtab2.s libtoomanystrtab_so_SOURCES = too-many-strtab.c too-many-strtab2.s libtoomanystrtab_so_LDFLAGS = $(LDFLAGS_sharedlib) many_syms_main_SOURCES = many-syms-main.c many_syms_main_LDFLAGS = $(LDFLAGS_local) many_syms_main_LDADD = -lmany-syms $(AM_LDADD) many_syms_main_DEPENDENCIES = libmany-syms.so many_syms_main_CFLAGS = -pie libmany_syms_so_SOURCES = many-syms.c libmany_syms_so_LDFLAGS = $(LDFLAGS_sharedlib) no_rpath_SOURCES = no-rpath.c # no -fpic for no-rpath.o no_rpath_CFLAGS = contiguous_note_sections_SOURCES = contiguous-note-sections.s contiguous-note-sections.ld contiguous_note_sections_LDFLAGS = -nostdlib -T $(srcdir)/contiguous-note-sections.ld contiguous_note_sections_CFLAGS = -pie phdr_corruption_so_SOURCES = void.c phdr-corruption.ld phdr_corruption_so_LDFLAGS = -nostdlib -shared -Wl,-T$(srcdir)/phdr-corruption.ld phdr_corruption_so_CFLAGS = many-syms.c: i=1; while [ $$i -le 2000 ]; do echo "void f$$i() {};"; i=$$(($$i + 1)); done > $@ many-syms-main.c: echo "int main() {" > $@ i=1; while [ $$i -le 2000 ]; do echo "void f$$i(); f$$i();"; i=$$(($$i + 1)); done >> $@ echo "}" >> $@ patchelf-0.18.0/tests/add-debug-tag.sh000077500000000000000000000013471442121340000174500ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) READELF=${READELF:-readelf} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp libsimple.so "${SCRATCH}"/ # check there is no DT_DEBUG tag debugTag=$($READELF -d "${SCRATCH}/libsimple.so") echo ".dynamic before: $debugTag" if echo "$debugTag" | grep -q DEBUG; then echo "failed --add-debug-tag test. Expected no line with (DEBUG), got: $debugTag" exit 1 fi # set DT_DEBUG ../src/patchelf --add-debug-tag "${SCRATCH}/libsimple.so" # check there is DT_DEBUG tag debugTag=$($READELF -d "${SCRATCH}/libsimple.so") echo ".dynamic before: $debugTag" if ! echo "$debugTag" | grep -q DEBUG; then echo "failed --add-debug-tag test. Expected line with (DEBUG), got: $debugTag" exit 1 fi patchelf-0.18.0/tests/add-rpath.sh000077500000000000000000000012141442121340000167200ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" mkdir -p "${SCRATCH}/libsA" mkdir -p "${SCRATCH}/libsB" cp main "${SCRATCH}"/ cp libfoo.so "${SCRATCH}/libsA/" cp libbar.so "${SCRATCH}/libsB/" ../src/patchelf --force-rpath --add-rpath "$(pwd)/${SCRATCH}/libsA" "${SCRATCH}/main" ../src/patchelf --force-rpath --add-rpath "$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/main" if test "$(uname)" = FreeBSD; then LD_LIBRARY_PATH="$(pwd)/${SCRATCH}/libsB" export LD_LIBRARY_PATH fi exitCode=0 (cd "${SCRATCH}" && ./main) || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/args-from-file.sh000077500000000000000000000010731442121340000176710ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp main "${SCRATCH}"/ SOME_PATH=$(pwd)/${SCRATCH}/some-path printf "%s" "$SOME_PATH" >> "${SCRATCH}"/add-rpath ../src/patchelf --print-rpath "${SCRATCH}"/main | grep "$SOME_PATH" && exit 1 ../src/patchelf --add-rpath @"${SCRATCH}"/add-rpath "${SCRATCH}"/main ../src/patchelf --print-rpath "${SCRATCH}"/main | grep "$SOME_PATH" # should print error message and fail ../src/patchelf --set-rpath @"${SCRATCH}"/does-not-exist "${SCRATCH}"/main 2>&1 | grep "getting info about" patchelf-0.18.0/tests/bar.c000066400000000000000000000001211442121340000154210ustar00rootroot00000000000000#include int bar() { printf("This is bar()!\n"); return 34; } patchelf-0.18.0/tests/basic-flags.sh000077500000000000000000000002321442121340000172260ustar00rootroot00000000000000#! /bin/sh -e set -x ../src/patchelf --version | grep -q patchelf ../src/patchelf --help 2>&1 | grep -q patchelf ../src/patchelf 2>&1 | grep -q patchelf patchelf-0.18.0/tests/big-dynstr.sh000077500000000000000000000013341442121340000171410ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" mkdir -p "${SCRATCH}/libsA" mkdir -p "${SCRATCH}/libsB" cp big-dynstr "${SCRATCH}/" cp libfoo.so "${SCRATCH}/libsA/" cp libbar.so "${SCRATCH}/libsB/" oldRPath=$(../src/patchelf --print-rpath "${SCRATCH}/big-dynstr") if test -z "$oldRPath"; then oldRPath="/oops"; fi ../src/patchelf --force-rpath --set-rpath "$oldRPath:$(pwd)/${SCRATCH}/libsA:$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/big-dynstr" if test "$(uname)" = FreeBSD; then LD_LIBRARY_PATH="$(pwd)/${SCRATCH}/libsB" export LD_LIBRARY_PATH fi exitCode=0 cd "${SCRATCH}" && ./big-dynstr || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/build-id.sh000077500000000000000000000026411442121340000165520ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) READELF=${READELF:-readelf} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp libbuildid.so "${SCRATCH}/" long_rpath="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" ../src/patchelf \ --set-rpath "$long_rpath" "${SCRATCH}/libbuildid.so" # older readelf versions do not recognize build id, but we can grep by constant LANG=en_US ${READELF} -n "${SCRATCH}/libbuildid.so" | grep -q -F -e 'Build ID' -e 'Unknown note type: (0x00000003)' patchelf-0.18.0/tests/change-abi.sh000077500000000000000000000014751442121340000170430ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple-pie "${SCRATCH}/simple-pie" # Save the old OS ABI OLDABI=$(../src/patchelf --print-os-abi "${SCRATCH}/simple-pie") # Ensure it's not empty test -n "$OLDABI" # Change OS ABI and verify it has been changed for ABI in "System V" "HP-UX" "NetBSD" "Linux" "GNU Hurd" "Solaris" "AIX" "IRIX" "FreeBSD" "Tru64" "OpenBSD" "OpenVMS"; do echo "Set OS ABI to '$ABI'..." ../src/patchelf --set-os-abi "$ABI" "${SCRATCH}/simple-pie" echo "Check is OS ABI is '$ABI'..." NEWABI=$(../src/patchelf --print-os-abi "${SCRATCH}/simple-pie") test "$NEWABI" = "$ABI" done # Reset OS ABI to the saved one ../src/patchelf --set-os-abi "$OLDABI" "${SCRATCH}/simple-pie" # Verify we still can run the executable "${SCRATCH}/simple-pie" patchelf-0.18.0/tests/contiguous-note-sections.ld000066400000000000000000000007261442121340000220340ustar00rootroot00000000000000PHDRS { headers PT_PHDR PHDRS ; notes PT_NOTE; text PT_LOAD FILEHDR PHDRS ; data PT_LOAD ; interp PT_INTERP ; dynamic PT_DYNAMIC ; } SECTIONS { . = SIZEOF_HEADERS; . = ALIGN(4); .note.my-section0 : { *(.note.my-section0) } :notes :text .note.my-section1 : { *(.note.my-section1) } :notes :text .interp : { *(.interp) } :text :interp .text : { *(.text) } :text .rodata : { *(.rodata) } /* defaults to :text */ .data : { *(.data) } :data } patchelf-0.18.0/tests/contiguous-note-sections.s000066400000000000000000000016171442121340000216770ustar00rootroot00000000000000/* * Testcase for error: * patchelf: cannot normalize PT_NOTE segment: non-contiguous SHT_NOTE sections */ .section ".note.my-section0", "a", %note .align 4 .long 1f - 0f /* name length (not including padding) */ .long 3f - 2f /* desc length (not including padding) */ .long 1 /* type = NT_VERSION */ 0: .asciz "my-version-12345" /* name */ 1: .align 4 2: .long 1 /* desc - toolchain version number, 32-bit LE */ 3: .align 4 .section ".note.my-section1", "a", %note .align 8 .long 1f - 0f /* name length (not including padding) */ .long 3f - 2f /* desc length (not including padding) */ .long 1 /* type = NT_VERSION */ 0: .asciz "my-version-1" /* name */ 1: .align 4 2: .long 1 /* desc - toolchain version number, 32-bit LE */ 3: .align 4 patchelf-0.18.0/tests/contiguous-note-sections.sh000077500000000000000000000006141442121340000220460ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp contiguous-note-sections "${SCRATCH}/" # Running --set-interpreter on this binary should not produce the following # error: # patchelf: cannot normalize PT_NOTE segment: non-contiguous SHT_NOTE sections ../src/patchelf --set-interpreter ld-linux-x86-64.so.2 "${SCRATCH}/contiguous-note-sections" patchelf-0.18.0/tests/empty-note000077500000000000000000000017301442121340000165470ustar00rootroot00000000000000ELF> @X@8@@@@$$   my-version-12345/lib64/ld-linux-x86-64.so.2.symtab.strtab.shstrtab.note.test.interp$& ().patchelf-0.18.0/tests/empty-note.sh000077500000000000000000000006221442121340000171570ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp "$(dirname "$(readlink -f "$0")")/empty-note" "${SCRATCH}/" # Running --set-interpreter on this binary should not produce the following # error: # patchelf: cannot normalize PT_NOTE segment: non-contiguous SHT_NOTE sections ../src/patchelf --set-interpreter ld-linux-x86-64.so.2 "${SCRATCH}/empty-note" patchelf-0.18.0/tests/endianness.sh000077500000000000000000000014071442121340000172070ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF="../src/patchelf" for arch in ppc64 ppc64le; do rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp "${srcdir:?}/endianness/${arch}/main" "${srcdir}/endianness/${arch}/libtest.so" "${SCRATCH}/" rpath="${PWD}/${SCRATCH}" # set rpath to scratch dir ${PATCHELF} --output "${SCRATCH}/main-rpath" --set-rpath "$rpath" "${SCRATCH}/main" # attempt to shrink rpath, should not result in empty rpath ${PATCHELF} --output "${SCRATCH}/main-shrunk" --shrink-rpath --debug "${SCRATCH}/main-rpath" # check whether rpath is still present if ! ${PATCHELF} --print-rpath "${SCRATCH}/main-shrunk" | grep -q "$rpath"; then echo "rpath was removed for ${arch}" exit 1 fi done patchelf-0.18.0/tests/endianness/000077500000000000000000000000001442121340000166465ustar00rootroot00000000000000patchelf-0.18.0/tests/endianness/Makefile000066400000000000000000000002101442121340000202770ustar00rootroot00000000000000all: $(CC) -xc -nostdlib -shared -o libtest.so - <<< 'void test() {}' $(CC) -xc -nostdlib -L. -ltest -o main - <<< 'void _start() {}' patchelf-0.18.0/tests/endianness/ppc64/000077500000000000000000000000001442121340000176025ustar00rootroot00000000000000patchelf-0.18.0/tests/endianness/ppc64/libtest.so000077500000000000000000002022601442121340000216200ustar00rootroot00000000000000ELF@0@8@   dtPdtQdtR"|hetest/nix/store/sbi4hl6a8hjlfzsrj3yjjcrg6p4rv0wd-hello-powerpc64-unknown-linux-musl-2.10/lib64:/nix/store/sbi4hl6a8hjlfzsrj3yjjcrg6p4rv0wd-hello-powerpc64-unknown-linux-musl-2.10/libN ;(zRxA o poGCC: (GNU) 10.3.0   _DYNAMIC__GNU_EH_FRAME_HDRtest.symtab.strtab.shstrtab.gnu.hash.dynsym.dynstr.text.eh_frame_hdr.eh_frame.dynamic.got.commento$% 0-5;I(S\a0   "jpatchelf-0.18.0/tests/endianness/ppc64/main000077500000000000000000002025501442121340000204600ustar00rootroot00000000000000ELF@@8@@@@oo((  dtPdtQdtR( /nix/store/l264bxpmcw13ghgzxgrnjb2rwx5r07xs-musl-powerpc64-unknown-linux-musl-1.2.2/lib/ld-musl-powerpc64.so.1libtest.so/nix/store/sbi4hl6a8hjlfzsrj3yjjcrg6p4rv0wd-hello-powerpc64-unknown-linux-musl-2.10/lib64:/nix/store/sbi4hl6a8hjlfzsrj3yjjcrg6p4rv0wd-hello-powerpc64-unknown-linux-musl-2.10/libN ;(zRxA  po poGCC: (GNU) 10.3.0p     " ) 0 _DYNAMIC__GNU_EH_FRAME_HDR__bss_start_edata_end.symtab.strtab.shstrtab.interp.gnu.hash.dynsym.dynstr.text.eh_frame_hdr.eh_frame.dynamic.got.commento'pp#o- 5=CQ([ di0   55rpatchelf-0.18.0/tests/endianness/ppc64le/000077500000000000000000000000001442121340000201235ustar00rootroot00000000000000patchelf-0.18.0/tests/endianness/ppc64le/libtest.so000077500000000000000000002022601442121340000221410ustar00rootroot00000000000000ELF@0@8@   PtdQtdRtd"eh|test/nix/store/c3kkzwpzl83zfv87awpzz9sz7jclv67x-hello-powerpc64le-unknown-linux-musl-2.10/lib64:/nix/store/c3kkzwpzl83zfv87awpzz9sz7jclv67x-hello-powerpc64le-unknown-linux-musl-2.10/lib N;(zRxA o poGCC: (GNU) 10.3.0   _DYNAMIC__GNU_EH_FRAME_HDRtest.symtab.strtab.shstrtab.gnu.hash.dynsym.dynstr.text.eh_frame_hdr.eh_frame.dynamic.got.commento$% 0-5;I(S\a0   "jpatchelf-0.18.0/tests/endianness/ppc64le/main000077500000000000000000002025501442121340000210010ustar00rootroot00000000000000ELF@@8@@@@ss((  PtdQtdRtd( /nix/store/kpsj13sf10wkq8wb9n0qijlxnisrx731-musl-powerpc64le-unknown-linux-musl-1.2.2/lib/ld-musl-powerpc64le.so.1libtest.so/nix/store/c3kkzwpzl83zfv87awpzz9sz7jclv67x-hello-powerpc64le-unknown-linux-musl-2.10/lib64:/nix/store/c3kkzwpzl83zfv87awpzz9sz7jclv67x-hello-powerpc64le-unknown-linux-musl-2.10/lib N;(zRxA  xo poGCC: (GNU) 10.3.0x     " ) 0 _DYNAMIC__GNU_EH_FRAME_HDR__bss_start_edata_end.symtab.strtab.shstrtab.interp.gnu.hash.dynsym.dynstr.text.eh_frame_hdr.eh_frame.dynamic.got.comments'xx#o- 5=CQ([ di0   55rpatchelf-0.18.0/tests/foo.c000066400000000000000000000004321442121340000154450ustar00rootroot00000000000000#include /* Include a bogus .interp section in libfoo.so (NIXPKGS-98). Borrowed from Glibc. */ const char __invoke_dynamic_linker__[] __attribute__ ((section (".interp"))) = "/foo/bar"; int bar(); int foo() { printf("This is foo()!\n"); return 12 + bar(); } patchelf-0.18.0/tests/force-rpath.sh000077500000000000000000000014701442121340000172720ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) OBJDUMP=${OBJDUMP:-objdump} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" SCRATCHFILE=${SCRATCH}/libfoo.so cp libfoo.so "$SCRATCHFILE" doit() { set +x ../src/patchelf "$@" "$SCRATCHFILE" set -x } expect() { out=$("$OBJDUMP" -x "$SCRATCHFILE" | grep PATH || true) for i in $out; do if [ "$i" != "$1" ]; then echo "Expected '$*' but got '$out'" exit 1 fi shift done } doit --remove-rpath expect "" doit --set-rpath foo expect RUNPATH foo doit --force-rpath --set-rpath foo expect RPATH foo doit --force-rpath --set-rpath bar expect RPATH bar doit --remove-rpath expect doit --force-rpath --set-rpath foo expect RPATH foo doit --set-rpath foo expect RUNPATH foo doit --set-rpath bar expect RUNPATH bar patchelf-0.18.0/tests/grow-file.sh000077500000000000000000000005741442121340000167570ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple-pie "${SCRATCH}/simple-pie" # Add a 40MB rpath tr -cd 'a-z0-9' < /dev/urandom | dd count=40 bs=1000000 > "${SCRATCH}/foo.bin" # Grow the file ../src/patchelf --add-rpath @"${SCRATCH}/foo.bin" "${SCRATCH}/simple-pie" # Make sure we can still run it "${SCRATCH}/simple-pie" patchelf-0.18.0/tests/invalid-elf.sh000077500000000000000000000020151442121340000172460ustar00rootroot00000000000000#! /bin/sh -u # Usage: killed_by_signal $? # # Returns true if the exit code indicates that the program was killed # by a signal. This works because the exit code of processes that were # killed by a signal is 128 plus the signal number. killed_by_signal() { [ "$1" -ge 128 ] } # The directory containing all our input files. TEST_DIR=$(dirname "$(readlink -f "$0")")/invalid-elf # Each test case is listed here. The names should roughly indicate # what makes the given ELF file invalid. TEST_CASES="invalid-shrstrtab-idx invalid-shrstrtab-size invalid-shrstrtab-zero invalid-shrstrtab-nonterm invalid-shdr-name invalid-phdr-offset" FAILED_TESTS="" for tcase in $TEST_CASES; do if [ ! -r "$TEST_DIR/$tcase" ]; then echo "Cannot read test case: $tcase" exit 1 fi ../src/patchelf --output /dev/null "$TEST_DIR/$tcase" if killed_by_signal $?; then FAILED_TESTS="$FAILED_TESTS $tcase" fi done if [ -z "$FAILED_TESTS" ]; then exit 0 else echo "Failed tests: $FAILED_TESTS" exit 1 fi patchelf-0.18.0/tests/invalid-elf/000077500000000000000000000000001442121340000167115ustar00rootroot00000000000000patchelf-0.18.0/tests/invalid-elf/invalid-phdr-offset000066400000000000000000002344601442121340000225120ustar00rootroot00000000000000ELF0000000000000000000000000000 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char buf[16 * 1024 * 1024]; int foo(); int main(int argc, char * * argv) { int x; printf("Hello World\n"); x = foo(); printf("Result is %d\n", x); return x; } patchelf-0.18.0/tests/modify-execstack.sh000077500000000000000000000126421442121340000203220ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF=$(readlink -f "../src/patchelf") rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}"/ cp simple-execstack "${SCRATCH}"/ cp libsimple.so "${SCRATCH}"/ cp libsimple-execstack.so "${SCRATCH}"/ cd "${SCRATCH}" ## simple cp simple backup if ! ${PATCHELF} --print-execstack simple | grep -q 'execstack: -'; then echo "[simple] wrong initial execstack detection" ${PATCHELF} --print-execstack simple exit 1 fi if ! ${PATCHELF} --clear-execstack simple; then echo "[simple] failed noop initial clear" exit 1 fi if ! ${PATCHELF} --set-execstack simple; then echo "[simple] failed set" exit 1 fi if ! ${PATCHELF} --print-execstack simple | grep -q 'execstack: X'; then echo "[simple] wrong execstack detection after set" ${PATCHELF} --print-execstack simple exit 1 fi if diff simple backup; then echo "[simple] no change after set" exit 1 fi if ! ${PATCHELF} --set-execstack simple; then echo "[simple] failed noop set" exit 1 fi if ! ${PATCHELF} --clear-execstack simple; then echo "[simple] failed clear after set" exit 1 fi if ! ${PATCHELF} --print-execstack simple | grep -q 'execstack: -'; then echo "[simple] wrong execstack detection after clear after set" ${PATCHELF} --print-execstack simple exit 1 fi if ! diff simple backup; then echo "[simple] change against backup after clear after set" exit 1 fi ## simple-execstack cp simple-execstack backup if ! ${PATCHELF} --print-execstack simple-execstack | grep -q 'execstack: X'; then echo "[simple-execstack] wrong initial execstack detection" ${PATCHELF} --print-execstack simple-execstack exit 1 fi if ! ${PATCHELF} --set-execstack simple-execstack; then echo "[simple-execstack] failed noop initial set" exit 1 fi if ! ${PATCHELF} --clear-execstack simple-execstack; then echo "[simple-execstack] failed clear" exit 1 fi if ! ${PATCHELF} --print-execstack simple-execstack | grep -q 'execstack: -'; then echo "[simple-execstack] wrong execstack detection after clear" ${PATCHELF} --print-execstack simple-execstack exit 1 fi if diff simple-execstack backup; then echo "[simple-execstack] no change after set" exit 1 fi if ! ${PATCHELF} --clear-execstack simple-execstack; then echo "[simple-execstack] failed noop clear" exit 1 fi if ! ${PATCHELF} --set-execstack simple-execstack; then echo "[simple-execstack] failed set after clear" exit 1 fi if ! ${PATCHELF} --print-execstack simple-execstack | grep -q 'execstack: X'; then echo "[simple-execstack] wrong execstack detection after set after clear" ${PATCHELF} --print-execstack simple-execstack exit 1 fi if ! diff simple-execstack backup; then echo "[simple-execstack] change against backup after set after clear" exit 1 fi ## libsimple.so cp libsimple.so backup if ! ${PATCHELF} --print-execstack libsimple.so | grep -q 'execstack: -'; then echo "[libsimple.so] wrong initial execstack detection" ${PATCHELF} --print-execstack libsimple.so exit 1 fi if ! ${PATCHELF} --clear-execstack libsimple.so; then echo "[libsimple.so] failed noop initial clear" exit 1 fi if ! ${PATCHELF} --set-execstack libsimple.so; then echo "[libsimple.so] failed set" exit 1 fi if ! ${PATCHELF} --print-execstack libsimple.so | grep -q 'execstack: X'; then echo "[libsimple.so] wrong execstack detection after set" ${PATCHELF} --print-execstack libsimple.so exit 1 fi if diff libsimple.so backup; then echo "[libsimple.so] no change after set" exit 1 fi if ! ${PATCHELF} --set-execstack libsimple.so; then echo "[libsimple.so] failed noop set" exit 1 fi if ! ${PATCHELF} --clear-execstack libsimple.so; then echo "[libsimple.so] failed clear after set" exit 1 fi if ! ${PATCHELF} --print-execstack libsimple.so | grep -q 'execstack: -'; then echo "[libsimple.so] wrong execstack detection after clear after set" ${PATCHELF} --print-execstack libsimple.so exit 1 fi if ! diff libsimple.so backup; then echo "[libsimple.so] change against backup after clear after set" exit 1 fi ## libsimple-execstack.so cp libsimple-execstack.so backup if ! ${PATCHELF} --print-execstack libsimple-execstack.so | grep -q 'execstack: X'; then echo "[libsimple-execstack.so] wrong initial execstack detection" ${PATCHELF} --print-execstack libsimple-execstack.so exit 1 fi if ! ${PATCHELF} --set-execstack libsimple-execstack.so; then echo "[libsimple-execstack.so] failed noop initial set" exit 1 fi if ! ${PATCHELF} --clear-execstack libsimple-execstack.so; then echo "[libsimple-execstack.so] failed clear" exit 1 fi if ! ${PATCHELF} --print-execstack libsimple-execstack.so | grep -q 'execstack: -'; then echo "[libsimple-execstack.so] wrong execstack detection after clear" ${PATCHELF} --print-execstack libsimple-execstack.so exit 1 fi if diff libsimple-execstack.so backup; then echo "[libsimple-execstack.so] no change after set" exit 1 fi if ! ${PATCHELF} --clear-execstack libsimple-execstack.so; then echo "[libsimple-execstack.so] failed noop clear" exit 1 fi if ! ${PATCHELF} --set-execstack libsimple-execstack.so; then echo "[libsimple-execstack.so] failed set after clear" exit 1 fi if ! ${PATCHELF} --print-execstack libsimple-execstack.so | grep -q 'execstack: X'; then echo "[libsimple-execstack.so] wrong execstack detection after set after clear" ${PATCHELF} --print-execstack libsimple-execstack.so exit 1 fi if ! diff libsimple-execstack.so backup; then echo "[libsimple-execstack.so] change against backup after set after clear" exit 1 fi patchelf-0.18.0/tests/no-dynamic-section.sh000077500000000000000000000001701442121340000205540ustar00rootroot00000000000000#! /bin/sh -e # print rpath on library with stripped dynamic section ../src/patchelf --print-rpath libbig-dynstr.debug patchelf-0.18.0/tests/no-gnu-hash.sh000077500000000000000000000005511442121340000172030ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) STRIP=${STRIP:-strip} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}/" ${STRIP} --remove-section=.gnu.hash "${SCRATCH}/simple" # Check if patchelf handles binaries with GNU_HASH in dynamic section but # without .gnu.hash section ../src/patchelf --set-interpreter /oops "${SCRATCH}/simple" patchelf-0.18.0/tests/no-rpath-pie-powerpc.sh000077500000000000000000000031621442121340000210400ustar00rootroot00000000000000#! /bin/sh -e set -x SCRATCH=scratch/no-rpath-pie-powerpc READELF=${READELF:-readelf} no_rpath_bin="${srcdir:?}/no-rpath-prebuild/no-rpath-pie-powerpc" if [ ! -f "$no_rpath_bin" ]; then echo "no 'no-rpath' binary for '$ARCH' in '${srcdir:?}/no-rpath-prebuild'" exit 1 fi rm -rf ${SCRATCH} mkdir -p ${SCRATCH} cp "$no_rpath_bin" ${SCRATCH}/no-rpath oldRPath=$(../src/patchelf --print-rpath ${SCRATCH}/no-rpath) if test -n "$oldRPath"; then exit 1; fi ../src/patchelf \ --set-interpreter "$(../src/patchelf --print-interpreter ../src/patchelf)" \ --set-rpath /foo:/bar:/xxxxxxxxxxxxxxx ${SCRATCH}/no-rpath newRPath=$(../src/patchelf --print-rpath ${SCRATCH}/no-rpath) if ! echo "$newRPath" | grep -q '/foo:/bar'; then echo "incomplete RPATH" exit 1 fi # Tests for powerpc PIE endianness regressions readelfData=$(${READELF} -l ${SCRATCH}/no-rpath 2>&1) if [ "$(echo "$readelfData" | grep -c "PHDR")" != 1 ]; then # Triggered if PHDR errors appear on stderr echo "Unexpected number of occurences of PHDR in readelf results" exit 1 fi virtAddr=$(echo "$readelfData" | grep "PHDR" | awk '{print $3}') if [ "$virtAddr" != "0x00000034" ]; then # Triggered if the virtual address is the incorrect endianness echo "Unexpected virt addr, expected [0x00000034] got [$virtAddr]" exit 1 fi echo "$readelfData" | grep "LOAD" | while read -r line ; do align=$(echo "$line" | awk '{print $NF}') if [ "$align" != "0x10000" ]; then # Triggered if the target arch was not detected properly echo "Unexpected Align for LOAD segment, expected [0x10000] got [$align]" echo "Load segment: [$line]" exit 1 fi done patchelf-0.18.0/tests/no-rpath-prebuild.sh000077500000000000000000000020321442121340000204070ustar00rootroot00000000000000#! /bin/sh -e set -x ARCH="$1" PAGESIZE=4096 if [ -z "$ARCH" ]; then ARCH=$(basename "$0" .sh | sed -e 's/^no-rpath-//') fi SCRATCH=scratch/no-rpath-$ARCH if [ -z "$ARCH" ] || [ "$ARCH" = prebuild ] ; then echo "Architecture required" exit 1 fi no_rpath_bin="${srcdir:?}/no-rpath-prebuild/no-rpath-$ARCH" if [ ! -f "$no_rpath_bin" ]; then echo "no 'no-rpath' binary for '$ARCH' in '${srcdir:?}/no-rpath-prebuild'" exit 1 fi rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp "$no_rpath_bin" "${SCRATCH}"/no-rpath oldRPath=$(../src/patchelf --page-size "${PAGESIZE}" --print-rpath "${SCRATCH}/no-rpath") if test -n "$oldRPath"; then exit 1; fi ../src/patchelf --page-size 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H@Dox@xDN @ V` @` ^o"@"xko@ z @  B@ @ $0 @0 #@#S@vAv AA  BX BX` B` B Bh0[iO:0 jx LvN&01zAxT"m 8<3oOpatchelf-0.18.0/tests/overlapping-segments-after-rounding.sh000077500000000000000000000011211442121340000241440ustar00rootroot00000000000000#! /bin/sh -e PATCHELF=$(readlink -f "../src/patchelf") SCRATCH="scratch/$(basename "$0" .sh)" READELF=${READELF:-readelf} EXEC_NAME="overlapping-segments-after-rounding" if test "$(uname -i)" = x86_64 && test "$(uname)" = Linux; then rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp "${srcdir:?}/${EXEC_NAME}" "${SCRATCH}/" cd "${SCRATCH}" ${PATCHELF} --force-rpath --remove-rpath --output modified1 "${EXEC_NAME}" ldd modified1 ${PATCHELF} --force-rpath --set-rpath "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" --output modified2 modified1 ldd modified2 fi patchelf-0.18.0/tests/phdr-corruption.ld000066400000000000000000000003431442121340000201770ustar00rootroot00000000000000PHDRS { headers PT_PHDR PHDRS; text PT_LOAD FILEHDR PHDRS; interp PT_INTERP ; } SECTIONS { . = SIZEOF_HEADERS; . = ALIGN(4); . = . + 0x1000; .interp : { *(.interp) } :text :interp .text : { *(.text) } :text } patchelf-0.18.0/tests/phdr-corruption.sh000077500000000000000000000011121442121340000202100ustar00rootroot00000000000000#! /bin/sh -e PATCHELF="../src/patchelf" SONAME="phdr-corruption.so" SCRATCH="scratch/$(basename "$0" .sh)" SCRATCH_SO="${SCRATCH}/${SONAME}" READELF=${READELF:-readelf} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp "${SONAME}" "${SCRATCH}" "${PATCHELF}" --set-rpath "$(pwd)" "${SCRATCH_SO}" # Check for PT_PHDR entry VirtAddr corruption readelfData=$(${READELF} -l "${SCRATCH_SO}" 2>&1) if [ "$(echo "$readelfData" | grep -c "PHDR")" != 1 ]; then # Triggered if PHDR errors appear on stderr echo "ERROR: Unexpected number of occurences of PHDR in readelf results!" exit 1 fi patchelf-0.18.0/tests/plain-fail.sh000077500000000000000000000000511442121340000170660ustar00rootroot00000000000000#! /bin/sh if ./main; then exit 1 fi patchelf-0.18.0/tests/plain-needed.sh000077500000000000000000000012161442121340000174030ustar00rootroot00000000000000#! /bin/sh set -e SCRATCH=scratch/$(basename "$0" .sh) MAIN_ELF="${SCRATCH}/main" PATCHELF="../src/patchelf" rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp main "${SCRATCH}"/ echo "Confirming main requires libfoo" ${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q libfoo.so echo "Testing --add-needed functionality" ${PATCHELF} --add-needed bar.so "${MAIN_ELF}" ${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q bar.so echo "Testing --remove-needed functionality" ${PATCHELF} --remove-needed bar.so "${MAIN_ELF}" if ${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q bar.so; then echo "ERROR: --remove-needed did not eliminate bar.so!" exit 1 fi patchelf-0.18.0/tests/plain-run.sh000077500000000000000000000001701442121340000167610ustar00rootroot00000000000000#! /bin/sh LD_LIBRARY_PATH=. ./main exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/print-execstack.sh000077500000000000000000000010421442121340000201570ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF=$(readlink -f "../src/patchelf") rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}"/ cp simple-execstack "${SCRATCH}"/ cd "${SCRATCH}" if ! ${PATCHELF} --print-execstack simple | grep -q 'execstack: -'; then echo "wrong execstack detection" ${PATCHELF} --print-execstack simple exit 1 fi if ! ${PATCHELF} --print-execstack simple-execstack | grep -q 'execstack: X'; then echo "wrong execstack detection" ${PATCHELF} --print-execstack simple-execstack exit 1 fi patchelf-0.18.0/tests/rename-dynamic-symbols.sh000077500000000000000000000072151442121340000214420ustar00rootroot00000000000000#!/bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF=$(readlink -f "../src/patchelf") rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" full_main_name="${PWD}/many-syms-main" full_lib_name="${PWD}/libmany-syms.so" chmod -w "$full_lib_name" "$full_main_name" suffix="_special_suffix" cd "${SCRATCH}" ############################################################################### # Test that all symbols in the dynamic symbol table will have the expected # names after renaming. # Also test that if we rename all symbols back, the symbols are as expected ############################################################################### list_symbols() { nm -D "$@" | awk '{ print $NF }' | sed '/^ *$/d' } list_symbols "$full_lib_name" | cut -d@ -f1 | sort -u | awk "{printf \"%s %s${suffix}\n\",\$1,\$1}" > map list_symbols "$full_lib_name" | cut -d@ -f1 | sort -u | awk "{printf \"%s${suffix} %s\n\",\$1,\$1}" > rmap ${PATCHELF} --rename-dynamic-symbols map --output libmapped.so "$full_lib_name" ${PATCHELF} --rename-dynamic-symbols rmap --output libreversed.so libmapped.so list_symbols "$full_lib_name" | sort > orig_syms list_symbols libmapped.so | sort > map_syms list_symbols libreversed.so | sort > rev_syms diff orig_syms rev_syms > diff_orig_syms_rev_syms || exit 1 # Renamed symbols that match version numbers will be printed with version instead of them being ommited # CXXABI10 is printed as CXXABI10 # but CXXABI10_renamed is printed as CXXABI10_renamed@@CXXABI10 # awk is used to remove these cases so that we can match the "mapped" symbols to original symbols sed "s/${suffix}//" map_syms | awk -F @ '{ if ($1 == $2 || $1 == $3) { print $1; } else { print $0; }}' | sort > map_syms_r diff orig_syms map_syms_r > diff_orig_syms_map_syms_r || exit 1 ############################################################################### # Check the relocation tables after renaming ############################################################################### print_relocation_table() { readelf -W -r "$1" | awk '{ printf "%s\n",$5 }' | cut -f1 -d@ } print_relocation_table "$full_lib_name" > orig_rel print_relocation_table libmapped.so > map_rel print_relocation_table libreversed.so > rev_rel diff orig_rel rev_rel > diff_orig_rel_rev_rel || exit 1 sed "s/${suffix}//" map_rel > map_rel_r diff orig_rel map_rel_r > diff_orig_rel_map_rel_r || exit 1 ############################################################################### # Test that the hash table is correctly updated. # For this to work, we need to rename symbols and actually use the library # Here we: # 1. Create a map from all symbols in libstdc++.so as "sym sym_special_suffix" # 2. Copy Patchelf and all of its transitive library dependencies into a new directory # 3. Rename symbols in Patchelf and all dependencies according to the map # 4. Run patchelf with the modified dependencies ############################################################################### echo "# Create the map" list_symbols --defined-only "$full_lib_name" | cut -d@ -f1 | sort -u | awk "{printf \"%s %s${suffix}\n\",\$1,\$1}" > map echo "# Copy all dependencies" mkdir env cd env cp "$full_lib_name" "$full_main_name" . echo "# Apply renaming" chmod +w ./* ${PATCHELF} --rename-dynamic-symbols ../map ./* echo "# Run the patched tool and libraries" env LD_BIND_NOW=1 LD_LIBRARY_PATH="${PWD}" ./many-syms-main # Test that other switches still work when --rename-dynamic-symbols has no effect echo "SYMBOL_THAT_DOESNT_EXIST ANOTHER_NAME" > map ${PATCHELF} --set-rpath changed_rpath --rename-dynamic-symbols map --output libnewrpath.so "$full_lib_name" [ "$(${PATCHELF} --print-rpath libnewrpath.so)" = changed_rpath ] || exit 1 patchelf-0.18.0/tests/repeated-updates.sh000077500000000000000000000023551442121340000203170ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF=$(readlink -f "../src/patchelf") rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}/" cp libfoo.so "${SCRATCH}/" cp libbar.so "${SCRATCH}/" cd "${SCRATCH}" ${PATCHELF} --add-needed ./libbar.so simple ############################################################################### # Test that repeatedly modifying a string inside a shared library does not # corrupt it due to the addition of multiple PT_LOAD entries ############################################################################### load_segments_before=$(readelf -W -l libbar.so | grep -c LOAD) for _ in $(seq 1 100) do ${PATCHELF} --set-soname ./libbar.so libbar.so ${PATCHELF} --set-soname libbar.so libbar.so ./simple || exit 1 done load_segments_after=$(readelf -W -l libbar.so | grep -c LOAD) ############################################################################### # To be even more strict, check that we don't add too many extra LOAD entries ############################################################################### echo "Segments before: ${load_segments_before} and after: ${load_segments_after}" if [ "${load_segments_after}" -gt $((load_segments_before + 2)) ] then exit 1 fi patchelf-0.18.0/tests/replace-add-needed.sh000077500000000000000000000020011442121340000204320ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) PATCHELF=$(readlink -f "../src/patchelf") rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}"/ cp libfoo.so "${SCRATCH}"/ cp libbar.so "${SCRATCH}"/ cd "${SCRATCH}" libcldd=$(ldd ./simple | awk '/ => / { print $3 }' | grep -E "(libc(-[0-9.]*)*.so|ld-musl)") # We have to set the soname on these libraries ${PATCHELF} --set-soname libbar.so ./libbar.so # Add a libbar.so so we can rewrite it later ${PATCHELF} --add-needed libbar.so ./simple # Make the NEEDED in libfoo the same as simple # This is a current "bug" in musl # https://www.openwall.com/lists/musl/2021/12/21/1 ${PATCHELF} --replace-needed libbar.so "$(readlink -f ./libbar.so)" ./libfoo.so ${PATCHELF} --replace-needed libc.so.6 "${libcldd}" \ --replace-needed libbar.so "$(readlink -f ./libbar.so)" \ --add-needed "$(readlink -f ./libfoo.so)" \ ./simple exitCode=0 ./simple || exitCode=$? if test "$exitCode" != 0; then ldd ./simple exit 1 fi patchelf-0.18.0/tests/replace-needed.sh000077500000000000000000000013711442121340000177150ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" oldLibc=$(../src/patchelf --print-needed big-dynstr | grep -v 'foo\.so') ../src/patchelf --output "${SCRATCH}/big-needed" --replace-needed "${oldLibc}" long_long_very_long_libc.so.6 --replace-needed libfoo.so lf.so big-dynstr if ! ../src/patchelf --print-needed "${SCRATCH}/big-needed" | grep -Fxq "long_long_very_long_libc.so.6"; then echo "library long_long_very_long_libc.so.6 not found as NEEDED" ../src/patchelf --print-needed "${SCRATCH}/big-needed" exit 1 fi if ! ../src/patchelf --print-needed "${SCRATCH}/big-needed" | grep -Fxq "lf.so"; then echo "library lf.so not found as NEEDED" ../src/patchelf --print-needed "${SCRATCH}/big-needed" exit 1 fi patchelf-0.18.0/tests/set-empty-rpath.sh000077500000000000000000000003241442121340000201200ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}"/simple ../src/patchelf --force-rpath --set-rpath "" "${SCRATCH}/simple" "${SCRATCH}"/simple patchelf-0.18.0/tests/set-interpreter-long.sh000077500000000000000000000016311442121340000211500ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) ./simple oldInterpreter=$(../src/patchelf --print-interpreter ./simple) echo "current interpreter is $oldInterpreter" if test "$(uname)" = Linux; then echo "running with explicit interpreter..." "$oldInterpreter" ./simple fi rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" newInterpreter="$(pwd)/${SCRATCH}/iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii" cp simple "${SCRATCH}/" ../src/patchelf --set-interpreter "$newInterpreter" "${SCRATCH}/simple" echo "running with missing interpreter..." if "${SCRATCH}"/simple; then echo "simple works, but it shouldn't" exit 1 fi echo "running with new interpreter..." ln -s "$oldInterpreter" "$newInterpreter" "${SCRATCH}"/simple if test "$(uname)" = Linux; then echo "running with explicit interpreter..." "$oldInterpreter" "${SCRATCH}/simple" fi patchelf-0.18.0/tests/set-interpreter-short.sh000077500000000000000000000006541442121340000213540ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) ./simple oldInterpreter=$(../src/patchelf --print-interpreter ./simple) echo "current interpreter is $oldInterpreter" rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp simple "${SCRATCH}"/ ../src/patchelf --set-interpreter /oops "${SCRATCH}/simple" echo "running with missing interpreter..." if "${SCRATCH}/simple"; then echo "simple works, but it shouldn't" exit 1 fi patchelf-0.18.0/tests/set-rpath-library.sh000077500000000000000000000037131442121340000204330ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) if test "$(uname)" = FreeBSD; then echo "skipping on FreeBSD" exit 77 fi rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" mkdir -p "${SCRATCH}/libsA" mkdir -p "${SCRATCH}/libsB" cp main-scoped "${SCRATCH}/" cp libfoo-scoped.so "${SCRATCH}/libsA/" cp libbar-scoped.so "${SCRATCH}/libsB/" cp liboveralign.so "${SCRATCH}/" oldRPath=$(../src/patchelf --print-rpath "${SCRATCH}"/main-scoped) if test -z "$oldRPath"; then oldRPath="/oops"; fi ../src/patchelf --set-rpath "$oldRPath:$(pwd)/${SCRATCH}/libsA:$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/main-scoped" # "main" contains libbar in its RUNPATH, but that's ignored when # resolving libfoo. So libfoo won't find libbar and this will fail. exitCode=0 (cd "${SCRATCH}" && ./main-scoped) || exitCode=$? if test "$exitCode" = 46; then echo "expected failure" fi # So set an RUNPATH on libfoo as well. oldRPath=$(../src/patchelf --print-rpath "${SCRATCH}/libsA/libfoo-scoped.so") if test -z "$oldRPath"; then oldRPath="/oops"; fi ../src/patchelf --set-rpath "$oldRPath:$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/libsA/libfoo-scoped.so" exitCode=0 (cd "${SCRATCH}" && ./main-scoped) || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi # Remove the libbar PATH from main using --shrink-rpath. ../src/patchelf --shrink-rpath "${SCRATCH}/main-scoped" if ../src/patchelf --print-rpath "${SCRATCH}/main-scoped" | grep /libsB; then echo "shrink failed" exit 1 fi # And it should still run. exitCode=0 (cd "${SCRATCH}" && ./main-scoped) || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi # ALL loads should have the same alignment lib="${SCRATCH}/liboveralign.so" ../src/patchelf --set-rpath "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" "$lib" num_alignments=$(${READELF} -W -l "${lib}" | awk '/LOAD/ { print $NF }' | sort -u | wc -l) echo "$num_alignments" if test "${num_alignments}" -ne "1"; then exit 1 fi patchelf-0.18.0/tests/set-rpath-rel-map.sh000077500000000000000000000017671442121340000203330ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) OBJDUMP=${OBJDUMP:-objdump} OBJCOPY=${OBJCOPY:-objcopy} if ! $OBJDUMP -p main | grep -q MIPS_RLD_MAP_REL; then echo "No MIPS_RLD_MAP_REL dynamic section entry, skipping" exit 77 fi rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" mkdir -p "${SCRATCH}/libsA" mkdir -p "${SCRATCH}/libsB" cp main "${SCRATCH}/" cp libfoo.so "${SCRATCH}/libsA/" cp libbar.so "${SCRATCH}/libsB/" # break the main executable by removing .rld_map section ${OBJCOPY} --remove-section .rld_map "${SCRATCH}/main" oldRPath=$(../src/patchelf --print-rpath "${SCRATCH}/main") if test -z "$oldRPath"; then oldRPath="/oops"; fi ../src/patchelf --force-rpath --set-rpath "$oldRPath:$(pwd)/${SCRATCH}/libsA:$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/main" if test "$(uname)" = FreeBSD; then LD_LIBRARY_PATH=$(pwd)/"${SCRATCH}"/libsB export LD_LIBRARY_PATH fi exitCode=0 (cd "${SCRATCH}" && ./main) || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/set-rpath.sh000077500000000000000000000013061442121340000167650ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" mkdir -p "${SCRATCH}"/libsA mkdir -p "${SCRATCH}"/libsB cp main "${SCRATCH}"/ cp libfoo.so "${SCRATCH}/libsA/" cp libbar.so "${SCRATCH}/libsB/" oldRPath=$(../src/patchelf --print-rpath "${SCRATCH}/main") if test -z "$oldRPath"; then oldRPath="/oops"; fi ../src/patchelf --force-rpath --set-rpath "$oldRPath:$(pwd)/${SCRATCH}/libsA:$(pwd)/${SCRATCH}/libsB" "${SCRATCH}/main" if test "$(uname)" = FreeBSD; then LD_LIBRARY_PATH="$(pwd)/${SCRATCH}/libsB" export LD_LIBRARY_PATH fi exitCode=0 (cd "${SCRATCH}" && ./main) || exitCode=$? if test "$exitCode" != 46; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/shared-rpath.c000066400000000000000000000000671442121340000172500ustar00rootroot00000000000000int a_symbol_name; int foo() { return a_symbol_name; } patchelf-0.18.0/tests/shared-rpath.sh000077500000000000000000000036711442121340000174470ustar00rootroot00000000000000#! /bin/sh -e PATCHELF=$(readlink -f "../src/patchelf") SCRATCH="scratch/$(basename "$0" .sh)" READELF=${READELF:-readelf} LIB_NAME="${PWD}/libshared-rpath.so" rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cd "${SCRATCH}" has_x() { strings "$1" | grep -c "XXXXXXXX" } nm -D "${LIB_NAME}" | grep a_symbol_name previous_cnt="$(strings "${LIB_NAME}" | grep -c a_symbol_name)" echo "#### Number of a_symbol_name strings in the library: $previous_cnt" echo "#### Rename the rpath to something larger than the original" # Pathelf should detect that the rpath string is shared with the symbol name string and avoid # tainting the string with Xs "${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original --output liblarge-rpath.so "${LIB_NAME}" echo "#### Checking symbol is still there" nm -D liblarge-rpath.so | grep a_symbol_name echo "#### Checking there are no Xs" [ "$(has_x liblarge-rpath.so)" -eq 0 ] || exit 1 current_cnt="$(strings liblarge-rpath.so | grep -c a_symbol_name)" echo "#### Number of a_symbol_name strings in the modified library: $current_cnt" [ "$current_cnt" -eq "$previous_cnt" ] || exit 1 echo "#### Rename the rpath to something shorter than the original" # Pathelf should detect that the rpath string is shared with the symbol name string and avoid # overwriting the existing string "${PATCHELF}" --set-rpath shrt_rpth --output libshort-rpath.so "${LIB_NAME}" echo "#### Checking symbol is still there" nm -D libshort-rpath.so | grep a_symbol_name echo "#### Number of a_symbol_name strings in the modified library: $current_cnt" current_cnt="$(strings libshort-rpath.so | grep -c a_symbol_name)" [ "$current_cnt" -eq "$previous_cnt" ] || exit 1 echo "#### Now liblarge-rpath.so should have its own rpath, so it should be allowed to taint it" "${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original__even_larger --output liblarge-rpath2.so liblarge-rpath.so [ "$(has_x liblarge-rpath2.so)" -eq 1 ] || exit 1 patchelf-0.18.0/tests/short-first-segment.gz000077500000000000000000005144151442121340000210220ustar00rootroot00000000000000dshort-first-segment\wxŲRBzGJj t";tP!!@hFEDTz!TAx(2a;W?y}wvn>Q^-Ot$;|%uL+-J!)7?JS╘rnapo%H]_K&H#&~1p&n?'Oz ~/GK^!gXzZݒzH§=J}u><FQy7T@C^t;5z ^:wNu%_t:]M= []I+4syFzLxOyO{k^'KZS@ 䫓|> EA9)QL ,k(OH.|ς^FBhϐzNiQ6Ǩv:)1'}PZQD~Hg4ƐEmU1 ͑O zØ''rU6 !Mm,Pe"!'@Uu&>xiPeùEL Ū h3̓!ς i\(~;x٘7~/_h5Tf:+?X1 L9_[_RbZdjQVu`/4XF_huL`%vP~P6(?A!#σꡬP-@MTH {Jsz SGOTfB|MEڧ(+t\-CUj?SCW8F@>A#135G6|zC@=PvMۈ+MWYb_|o䟁/C~`@Q̿cLe@~Cx#nȬD#U+1>sC5O |,֣K-OWCVP*PmeSKhQVX{<鮠K?E fw'PN_+>dz?U:H{j&h}ҡǁ< M@5kTsX*x+*gv쩵 =GdN ߯z{jzbX'q\@ч tE'GyG ~}z򽴬kEQ*b!]5hPm[1֩,He`şSrnncž/-^k$t h"߂Z\,F1BW7!wK! y]:;y89\~tп偠%2NWhe\"c A./zlmgǺ֟*Zsw!{t % eɀ-R`TC {<7{cʭ ^#:Bʆ!]:^Tul/ o!j$1>ڗ/W?W hk=Ah[EڐJ!{ZblpomcĠ _:0`kU-_ S]B@%x%Hߴ^'!bq&HܦeGLt\R;쪾K?WS/*; q/5G.umW^Czа9ȯ?mΨ0Y3ɮm?Fc=Ңl.~ǀϚN#A~O7hz(%oCk<&(LUi ѧW?3֫(cAn' ZR# eAGVV/ߟ3^:Any5-ڃ>uWtH׫HwH9ʎX=Au@@_fXyq`%A߃8,P.!A˵/C~<(yf 909k *٩AvSP4Gy@':)37/c?im=SA$mTDӡ#F7ʪrXOlvuHR:~|?͏%kM2- KVrghГHrM=7.l|wAuc (ĨSOۉ_XqR. mwʷ(^eKY橅]/4Wo  E7sA>T6茶H4ײkc:ڏ>r䇡~ bx=( `F7BY~c_5qrDA7ޡ: ̡NQfC*lSͧC[u׃Otek[|%['!v렬O-Ae?~u tFkP H(ii|/0m *Bh6h}KWV,_j5Iۃ@Tv~Vk1m5>rOG星?2b(:_ >x-ѹ|(ڽVH7R]zg9GU{;/C?hhu+ 0h&NF~ZrHֲ8/ ]}c+y_ ~ hGfy_]m Q|͡1}ڧ;@߆4h1Ϫ :wPgΫFs\!;*Wmʹa+c1 vvGڟ /Tf#tRFogvD:oW<5xn!ohsRW3獸6h^Se?*AeO;?ʏ|Ck !^U1@ǚD"%v8+ Z¼l_@6~C[aow#1wzV۱9c͞՗]%F7=9*_;NXoW% ;MzVʮr';;xlx5;&Ȏ'TCUv}&;ޤDsv|TIoD)TyvH_ĎLJZ |&ȸ|v|"`;cwdm]܎lWw#ڎ? 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Expected newSoname: libsimple.so.1.0, got: $newSoname" exit 1 fi # print DT_SONAME soname=$(../src/patchelf --print-soname "${SCRATCH}/libsimple.so") if test "$soname" != libsimple.so.1.0; then echo "failed --print-soname test. Expected soname: libsimple.so.1.0, got: $soname" exit 1 fi # replace DT_SONAME entry ../src/patchelf --set-soname libsimple.so.1.1 "${SCRATCH}/libsimple.so" newSoname=$(../src/patchelf --print-soname "${SCRATCH}/libsimple.so") if test "$newSoname" != libsimple.so.1.1; then echo "failed --set-soname test. Expected newSoname: libsimple.so.1.1, got: $newSoname" exit 1 fi patchelf-0.18.0/tests/too-many-strtab.c000066400000000000000000000000301442121340000177140ustar00rootroot00000000000000int main(){ return 0; } patchelf-0.18.0/tests/too-many-strtab.sh000077500000000000000000000011051442121340000201130ustar00rootroot00000000000000#! /bin/sh -e SCRATCH=scratch/$(basename "$0" .sh) rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" cp libtoomanystrtab.so "${SCRATCH}"/ # Set a RUNPATH on the library ../src/patchelf --set-rpath "\$ORIGIN" "${SCRATCH}/libtoomanystrtab.so" # Check that patchelf is able to patch it again without crashing. Previously, # it will wrongly identify the lib as a static object because there was no # .dynamic section exitCode=0 (../src/patchelf --set-rpath "\$ORIGIN" "${SCRATCH}/libtoomanystrtab.so") || exitCode=$? if test "$exitCode" != 0; then echo "bad exit code!" exit 1 fi patchelf-0.18.0/tests/too-many-strtab2.s000066400000000000000000000001231442121340000200210ustar00rootroot00000000000000/* * Create additional .shstrtab section */ .section ".shstrtab", "", %3 .byte 0 patchelf-0.18.0/tests/void.c000066400000000000000000000000321442121340000156170ustar00rootroot00000000000000int main() { return 0; } patchelf-0.18.0/version000066400000000000000000000000071442121340000147620ustar00rootroot000000000000000.18.0