diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 3b5f82dc..c1af2334 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -7,7 +7,7 @@ jobs: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - - uses: cachix/install-nix-action@v17 + - uses: cachix/install-nix-action@v18 - run: nix-build -A hydraJobs.release ubuntu: runs-on: ubuntu-latest diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index c1c45220..704b35e2 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -14,10 +14,10 @@ jobs: steps: - name: Checkout uses: actions/checkout@v3 - - uses: cachix/install-nix-action@v17 + - uses: cachix/install-nix-action@v18 - name: Build tarballs run: | - nix-build -A hydraJobs.tarball + 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 @@ -25,14 +25,49 @@ jobs: name: patchelf path: dist/* - build_binaries: + build_windows: + name: Build windows executable + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v3 + - uses: cachix/install-nix-action@v18 + - name: Build windows executable + run: | + nix build -L .#patchelf-win32 .#patchelf-win64 + install -D ./result/bin/patchelf.exe ./dist/patchelf-win32.exe + install -D ./result-1/bin/patchelf.exe ./dist/patchelf-win64.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@v2 + - 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"] + platform: ["amd64", "i386", "ppc64le", "arm64v8", "arm32v7", "s390x", "riscv64"] steps: - name: Set up QEMU if: matrix.platform != 'amd64' @@ -65,7 +100,7 @@ jobs: else ENTRYPOINT= fi - docker run -e CXXFLAGS -v $(pwd):/gha ${{ matrix.platform }}/alpine:3.16 ${ENTRYPOINT} sh -ec "cd /gha && sh ./build.sh" + 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 @@ -74,7 +109,7 @@ jobs: tar -xf ./dist/patchelf-*-*.tar.gz ./bin/patchelf --version EOF - docker run -v $(pwd):/gha ${{ matrix.platform }}/debian:stable-slim sh -ec "cd /gha && sh ./check.sh" + docker run -v $(pwd):/gha ${{ matrix.platform }}/debian:unstable-slim sh -ec "cd /gha && sh ./check.sh" - uses: actions/upload-artifact@v3 with: name: patchelf @@ -82,7 +117,7 @@ jobs: publish: name: Publish tarballs & binaries - needs: [build_tarballs, build_binaries] + needs: [build_tarballs, build_windows, build_musl] if: github.event_name == 'push' && github.repository == 'NixOS/patchelf' && startsWith(github.ref, 'refs/tags/') runs-on: ubuntu-latest steps: diff --git a/configure.ac b/configure.ac index 0ea1fa72..41299204 100644 --- a/configure.ac +++ b/configure.ac @@ -6,6 +6,10 @@ AM_INIT_AUTOMAKE([1.11.1 -Wall -Werror dist-bzip2 foreign color-tests parallel-t AC_CONFIG_MACRO_DIR([m4]) AC_CHECK_TOOL([STRIP], [strip]) +# Those are only used in tests, hence we gracefully degrate if they are not found. +AC_CHECK_TOOL([OBJDUMP], [objdump], [objdump]) +AC_CHECK_TOOL([OBJCOPY], [objcopy], [objcopy]) +AC_CHECK_TOOL([READELF], [readelf], [readelf]) AM_PROG_CC_C_O AC_PROG_CXX @@ -28,17 +32,12 @@ AC_ARG_WITH([asan], ) AM_CONDITIONAL([WITH_ASAN], [test x"$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"$with_ubsan" = xyes]) -CPLUSPLUS= -AX_CHECK_COMPILE_FLAG([-std=c++17], [CPLUSPLUS=17], [], [$WERROR]) - -if test -z "$CPLUSPLUS"; then - AC_MSG_ERROR([Your compiler does not have the necessary C++17 support! Cannot proceed.]) -fi - AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile patchelf.spec]) AC_OUTPUT diff --git a/flake.lock b/flake.lock index 567877e2..3c708e87 100644 --- a/flake.lock +++ b/flake.lock @@ -2,22 +2,39 @@ "nodes": { "nixpkgs": { "locked": { - "lastModified": 1637875414, - "narHash": "sha256-Ica++SXFuLyxX9Q7YxhfZulUif6/gwM8AEQYlUxqSgE=", + "lastModified": 1667639549, + "narHash": "sha256-frqZKSG/933Ctwl9voSZnXDwo8CqddXcjQhnCzwNqaM=", "owner": "NixOS", "repo": "nixpkgs", - "rev": "3bea86e918d8b54aa49780505d2d4cd9261413be", + "rev": "cae3751e9f74eea29c573d6c2f14523f41c2821a", "type": "github" }, "original": { "id": "nixpkgs", - "ref": "nixos-21.05", + "ref": "nixpkgs-unstable", "type": "indirect" } }, + "nixpkgs-mingw": { + "locked": { + "lastModified": 1667761825, + "narHash": "sha256-QpgLyjLoXJzAdLJCNpjYQy7A+varW5gwvEToqggf5D8=", + "owner": "Mic92", + "repo": "nixpkgs", + "rev": "cbcbadafec4f01ea21e905aad14a493cef5fad81", + "type": "github" + }, + "original": { + "owner": "Mic92", + "ref": "mingw", + "repo": "nixpkgs", + "type": "github" + } + }, "root": { "inputs": { - "nixpkgs": "nixpkgs" + "nixpkgs": "nixpkgs", + "nixpkgs-mingw": "nixpkgs-mingw" } } }, diff --git a/flake.nix b/flake.nix index 8c3988c5..5835dca6 100644 --- a/flake.nix +++ b/flake.nix @@ -1,34 +1,42 @@ { description = "A tool for modifying ELF executables and libraries"; - inputs.nixpkgs.url = "nixpkgs/nixos-21.05"; + inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable"; + inputs.nixpkgs-mingw.url = "github:Mic92/nixpkgs/mingw"; - outputs = { self, nixpkgs }: + outputs = { self, nixpkgs, nixpkgs-mingw }: let supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ]; - forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system); - - nixpkgsFor = forAllSystems (system: - import nixpkgs { - inherit system; - overlays = [ self.overlay ]; - } - ); - version = builtins.readFile ./version; - pkgs = nixpkgsFor.${"x86_64-linux"}; + forAllSystems = nixpkgs.lib.genAttrs supportedSystems; + + version = nixpkgs.lib.removeSuffix "\n" (builtins.readFile ./version); + pkgs = nixpkgs.legacyPackages.x86_64-linux; + + patchelfFor = pkgs: pkgs.callPackage ./patchelf.nix { + inherit version; + src = self; + }; + + # https://github.com/NixOS/nixpkgs/pull/199883 + pkgsCrossForMingw = system: (import nixpkgs-mingw { + inherit system; + overlays = [ + (final: prev: { + threadsCross = { + model = "win32"; + package = null; + }; + }) + ]; + }).pkgsCross; + in { - overlay = final: prev: { - patchelf-new-musl = final.pkgsMusl.callPackage ./patchelf.nix { - inherit version; - src = self; - }; - patchelf-new = final.callPackage ./patchelf.nix { - inherit version; - src = self; - }; + overlays.default = final: prev: { + patchelf-new-musl = patchelfFor final.pkgsMusl; + patchelf-new = patchelfFor final; }; hydraJobs = { @@ -57,8 +65,8 @@ ''; }); - build = forAllSystems (system: nixpkgsFor.${system}.patchelf-new); - build-sanitized = forAllSystems (system: nixpkgsFor.${system}.patchelf-new.overrideAttrs (old: { + 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 @@ -67,16 +75,22 @@ # 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.${system}.override { - stdenv = nixpkgsFor.${system}.llvmPackages_latest.libcxxStdenv; + 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 ]; @@ -89,23 +103,30 @@ build = self.hydraJobs.build.${system}; }); - devShell = forAllSystems (system: self.devShells.${system}.glibc); + devShells = forAllSystems (system: { + glibc = self.packages.${system}.patchelf; + default = self.devShells.${system}.glibc; + } // nixpkgs.lib.optionalAttrs (system != "i686-linux") { + musl = self.packages.${system}.patchelf-musl; + }); - devShells = forAllSystems (system: - { - glibc = self.packages.${system}.patchelf; - musl = self.packages.${system}.patchelf-musl; - }); + packages = forAllSystems (system: { + patchelf = patchelfFor nixpkgs.legacyPackages.${system}; + default = self.packages.${system}.patchelf; - defaultPackage = forAllSystems (system: - self.packages.${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 nixpkgs.legacyPackages.${system}.pkgsCross.musl64; - packages = forAllSystems (system: - { - patchelf = nixpkgsFor.${system}.patchelf-new; - patchelf-musl = nixpkgsFor.${system}.patchelf-new-musl; + patchelf-win32 = (patchelfFor (pkgsCrossForMingw system).mingw32).overrideAttrs (old: { + NIX_CFLAGS_COMPILE = "-static"; }); + patchelf-win64 = (patchelfFor (pkgsCrossForMingw system).mingwW64).overrideAttrs (old: { + NIX_CFLAGS_COMPILE = "-static"; + }); + } // nixpkgs.lib.optionalAttrs (system != "i686-linux") { + patchelf-musl = patchelfFor nixpkgs.legacyPackages.${system}.pkgsMusl; + }); }; } diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4 deleted file mode 100644 index bd753b34..00000000 --- a/m4/ax_check_compile_flag.m4 +++ /dev/null @@ -1,53 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) -# -# DESCRIPTION -# -# Check whether the given FLAG works with the current language's compiler -# or gives an error. (Warnings, however, are ignored) -# -# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on -# success/failure. -# -# If EXTRA-FLAGS is defined, it is added to the current language's default -# flags (e.g. CFLAGS) when the check is done. The check is thus made with -# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to -# force the compiler to issue an error when a bad flag is given. -# -# INPUT gives an alternative input source to AC_COMPILE_IFELSE. -# -# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this -# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. -# -# LICENSE -# -# Copyright (c) 2008 Guido U. Draheim -# Copyright (c) 2011 Maarten Bosmans -# -# 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 6 - -AC_DEFUN([AX_CHECK_COMPILE_FLAG], -[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF -AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl -AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ - ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS - _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" - AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], - [AS_VAR_SET(CACHEVAR,[yes])], - [AS_VAR_SET(CACHEVAR,[no])]) - _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) -AS_VAR_IF(CACHEVAR,yes, - [m4_default([$2], :)], - [m4_default([$3], :)]) -AS_VAR_POPDEF([CACHEVAR])dnl -])dnl AX_CHECK_COMPILE_FLAGS diff --git a/m4/ax_cxx_compile_stdcxx.m4 b/m4/ax_cxx_compile_stdcxx.m4 new file mode 100644 index 00000000..a3d964c6 --- /dev/null +++ b/m4/ax_cxx_compile_stdcxx.m4 @@ -0,0 +1,1009 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional]) +# +# DESCRIPTION +# +# Check for baseline language coverage in the compiler for the specified +# version of the C++ standard. If necessary, add switches to CXX and +# CXXCPP to enable support. VERSION may be '11', '14', '17', or '20' for +# the respective C++ standard version. +# +# The second argument, if specified, indicates whether you insist on an +# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g. +# -std=c++11). If neither is specified, you get whatever works, with +# preference for no added switch, and then for an extended mode. +# +# The third argument, if specified 'mandatory' or if left unspecified, +# indicates that baseline support for the specified C++ standard is +# required and that the macro should error out if no mode with that +# support is found. If specified 'optional', then configuration proceeds +# regardless, after defining HAVE_CXX${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). + +AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl + m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"], + [$1], [14], [ax_cxx_compile_alternatives="14 1y"], + [$1], [17], [ax_cxx_compile_alternatives="17 1z"], + [$1], [20], [ax_cxx_compile_alternatives="20"], + [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl + m4_if([$2], [], [], + [$2], [ext], [], + [$2], [noext], [], + [m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX])])dnl + m4_if([$3], [], [ax_cxx_compile_cxx$1_required=true], + [$3], [mandatory], [ax_cxx_compile_cxx$1_required=true], + [$3], [optional], [ax_cxx_compile_cxx$1_required=false], + [m4_fatal([invalid third argument `$3' to AX_CXX_COMPILE_STDCXX])]) + AC_LANG_PUSH([C++])dnl + ac_success=no + + m4_if([$2], [], [dnl + AC_CACHE_CHECK(whether $CXX supports C++$1 features by default, + ax_cv_cxx_compile_cxx$1, + [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])], + [ax_cv_cxx_compile_cxx$1=yes], + [ax_cv_cxx_compile_cxx$1=no])]) + if test x$ax_cv_cxx_compile_cxx$1 = xyes; then + ac_success=yes + fi]) + + m4_if([$2], [noext], [], [dnl + if test x$ac_success = xno; then + for alternative in ${ax_cxx_compile_alternatives}; do + switch="-std=gnu++${alternative}" + cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch]) + AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch, + $cachevar, + [ac_save_CXX="$CXX" + CXX="$CXX $switch" + AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])], + [eval $cachevar=yes], + [eval $cachevar=no]) + CXX="$ac_save_CXX"]) + if eval test x\$$cachevar = xyes; then + CXX="$CXX $switch" + if test -n "$CXXCPP" ; then + CXXCPP="$CXXCPP $switch" + fi + ac_success=yes + break + fi + done + fi]) + + m4_if([$2], [ext], [], [dnl + if test x$ac_success = xno; then + dnl HP's aCC needs +std=c++11 according to: + dnl http://h21007.www2.hp.com/portal/download/files/unprot/aCxx/PDF_Release_Notes/769149-001.pdf + dnl Cray's crayCC needs "-h std=c++11" + for alternative in ${ax_cxx_compile_alternatives}; do + for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do + cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch]) + AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch, + $cachevar, + [ac_save_CXX="$CXX" + CXX="$CXX $switch" + AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])], + [eval $cachevar=yes], + [eval $cachevar=no]) + CXX="$ac_save_CXX"]) + if eval test x\$$cachevar = xyes; then + CXX="$CXX $switch" + if test -n "$CXXCPP" ; then + CXXCPP="$CXXCPP $switch" + fi + ac_success=yes + break + fi + done + if test x$ac_success = xyes; then + break + fi + done + fi]) + AC_LANG_POP([C++]) + if test x$ax_cxx_compile_cxx$1_required = xtrue; then + if test x$ac_success = xno; then + AC_MSG_ERROR([*** A compiler with support for C++$1 language features is required.]) + fi + fi + if test x$ac_success = xno; then + HAVE_CXX$1=0 + AC_MSG_NOTICE([No compiler with C++$1 support was found]) + else + HAVE_CXX$1=1 + AC_DEFINE(HAVE_CXX$1,1, + [define if the compiler supports basic C++$1 syntax]) + fi + AC_SUBST(HAVE_CXX$1) +]) + + +dnl Test body for checking C++11 support + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11], + _AX_CXX_COMPILE_STDCXX_testbody_new_in_11 +) + +dnl Test body for checking C++14 support + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14], + _AX_CXX_COMPILE_STDCXX_testbody_new_in_11 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_14 +) + +dnl Test body for checking C++17 support + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17], + _AX_CXX_COMPILE_STDCXX_testbody_new_in_11 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_14 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_17 +) + +dnl Test body for checking C++20 support + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_20], + _AX_CXX_COMPILE_STDCXX_testbody_new_in_11 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_14 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_17 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_20 +) + + +dnl Tests for new features in C++11 + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[ + +// If the compiler admits that it is not ready for C++11, why torture it? +// 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 + +]]) diff --git a/patchelf.1 b/patchelf.1 index fdf16fde..7c8f402c 100644 --- a/patchelf.1 +++ b/patchelf.1 @@ -36,6 +36,16 @@ 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. diff --git a/src/elf.h b/src/elf.h index 702f2e60..920e6891 100644 --- a/src/elf.h +++ b/src/elf.h @@ -1,5 +1,5 @@ /* This file defines standard ELF types, structures, and macros. - Copyright (C) 1995-2014 Free Software Foundation, Inc. + 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 @@ -14,15 +14,11 @@ 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 -/* #include */ - -/* __BEGIN_DECLS */ - /* Standard ELF types. */ #include @@ -172,88 +168,203 @@ typedef struct /* 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_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 */ - -#define EM_PARISC 15 /* HPPA */ -#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_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_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 embedded processor */ -#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */ -#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 processor */ -#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_A5 93 /* ARC Cores Tangent-A5 */ -#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ -#define EM_AARCH64 183 /* ARM AARCH64 */ -#define EM_TILEPRO 188 /* Tilera TILEPro */ -#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze */ -#define EM_TILEGX 191 /* Tilera TILE-Gx */ -#define EM_NUM 192 +#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 @@ -332,8 +443,9 @@ typedef struct #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 indeces */ -#define SHT_NUM 19 /* Number of defined types. */ +#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. */ @@ -366,15 +478,40 @@ typedef struct 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_COMPRESSED (1 << 11) /* Section with compressed data. */ #define SHF_MASKOS 0x0ff00000 /* OS-specific. */ -#define SHF_GNU_BUILD_NOTE (1 << 20) /* Section contains GNU BUILD ATTRIBUTE notes. */ #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 (1 << 31) /* Section is excluded unless +#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. */ @@ -528,6 +665,11 @@ typedef struct 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) @@ -585,6 +727,7 @@ typedef struct #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 */ @@ -604,6 +747,8 @@ typedef struct /* 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 */ @@ -627,6 +772,24 @@ typedef 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 */ @@ -639,10 +802,44 @@ typedef struct #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. */ @@ -707,7 +904,11 @@ typedef struct #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_NUM 34 /* Number used */ +#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 */ @@ -815,6 +1016,11 @@ typedef struct #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 @@ -859,7 +1065,8 @@ typedef struct /* 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 */ +#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. */ @@ -867,7 +1074,7 @@ typedef struct #define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ #define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ -/* Auxialiary version information. */ +/* Auxiliary version information. */ typedef struct { @@ -937,10 +1144,6 @@ typedef struct } Elf64_Vernaux; -/* Legal values for vna_flags. */ -#define VER_FLG_WEAK 0x2 /* Weak version identifier */ - - /* Auxiliary vector. */ /* This vector is normally only used by the program interpreter. The @@ -974,7 +1177,80 @@ typedef struct } a_un; } Elf64_auxv_t; -/* #include */ +/* 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. */ @@ -1000,6 +1276,8 @@ typedef struct /* 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. */ @@ -1040,6 +1318,84 @@ typedef struct /* 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 @@ -1186,8 +1542,10 @@ typedef struct 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 43 +#define R_386_NUM 44 /* SUN SPARC specific definitions. */ @@ -1326,6 +1684,7 @@ typedef struct #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. */ @@ -1400,7 +1759,7 @@ typedef struct #define SHT_MIPS_EH_REGION 0x70000027 #define SHT_MIPS_XLATE_OLD 0x70000028 #define SHT_MIPS_PDR_EXCEPTION 0x70000029 -#define SHT_MIPS_XHASH 0x7000002b +#define SHT_MIPS_XHASH 0x7000002b /* Legal values for sh_flags field of Elf32_Shdr. */ @@ -1649,8 +2008,8 @@ typedef struct 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 +#define DT_MIPS_XHASH 0x70000036 +#define DT_MIPS_NUM 0x37 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ @@ -1706,6 +2065,101 @@ typedef struct 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. */ @@ -1726,9 +2180,9 @@ typedef Elf32_Addr Elf32_Conflict; #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 indeces. */ +/* Additional section indices. */ -#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared +#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. */ @@ -2047,6 +2501,8 @@ typedef Elf32_Addr Elf32_Conflict; #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. */ @@ -2090,7 +2546,11 @@ typedef Elf32_Addr Elf32_Conflict; /* PowerPC specific values for the Dyn d_tag field. */ #define DT_PPC_GOT (DT_LOPROC + 0) -#define DT_PPC_NUM 1 +#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 @@ -2234,11 +2694,12 @@ typedef Elf32_Addr Elf32_Conflict; #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 3 +#define DT_PPC64_NUM 4 -/* PowerPC64 specific values for the DT_PPC64_OPT Dyn entry. */ +/* 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 @@ -2313,6 +2774,20 @@ typedef Elf32_Addr Elf32_Conflict; /* 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. */ @@ -2430,12 +2905,24 @@ typedef Elf32_Addr Elf32_Conflict; #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_DTPMOD64 1028 /* Module number, 64 bit. */ -#define R_AARCH64_TLS_DTPREL64 1029 /* Module-relative offset, 64 bit. */ -#define R_AARCH64_TLS_TPREL64 1030 /* TP-relative offset, 64 bit. */ +#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 */ @@ -2604,6 +3091,81 @@ typedef Elf32_Addr Elf32_Conflict; /* 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. */ @@ -2948,8 +3510,18 @@ typedef Elf32_Addr Elf32_Conflict; #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 -#define R_X86_64_NUM 39 +/* x86-64 sh_type values. */ +#define SHT_X86_64_UNWIND 0x70000001 /* Unwind information. */ /* AM33 relocations. */ @@ -3083,6 +3655,58 @@ typedef Elf32_Addr Elf32_Conflict; #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 */ @@ -3308,7 +3932,337 @@ typedef Elf32_Addr Elf32_Conflict; #define R_TILEGX_NUM 130 - -/* __END_DECLS */ +/* 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 */ diff --git a/src/patchelf.cc b/src/patchelf.cc index 49accae1..398404c8 100644 --- a/src/patchelf.cc +++ b/src/patchelf.cc @@ -86,6 +86,20 @@ static bool hasAllowedPrefix(const std::string & s, const std::vector @@ -304,7 +318,7 @@ unsigned int ElfFile::getPageSize() const // 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_SPARC: + case EM_IA_64: case EM_MIPS: case EM_PPC: case EM_PPC64: @@ -312,6 +326,10 @@ unsigned int ElfFile::getPageSize() const 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; } @@ -418,44 +436,83 @@ static uint64_t roundUp(uint64_t n, uint64_t m) template -void ElfFile::shiftFile(unsigned int extraPages, Elf_Addr startPage) +void ElfFile::shiftFile(unsigned int extraPages, size_t startOffset) { - /* Move the entire contents of the file 'extraPages' pages - further. */ + 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() + shift, fileContents->data(), oldSize); - memset(fileContents->data() + sizeof(Elf_Ehdr), 0, shift - sizeof(Elf_Ehdr)); + 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)); - wri(hdr()->e_shoff, rdi(hdr()->e_shoff) + shift); + 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) - wri(shdrs.at(i).sh_offset, rdi(shdrs.at(i).sh_offset) + shift); + 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) { - wri(phdrs.at(i).p_offset, rdi(phdrs.at(i).p_offset) + 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()); + 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, 0); - wri(phdr.p_vaddr, wri(phdr.p_paddr, startPage)); - wri(phdr.p_filesz, wri(phdr.p_memsz, shift)); + 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 + shift)); wri(phdr.p_flags, PF_R | PF_W); wri(phdr.p_align, getPageSize()); } @@ -547,20 +604,26 @@ void ElfFile::writeReplacedSections(Elf_Off & curOff, } std::set noted_phdrs = {}; - for (auto & i : replacedSections) { - const std::string & sectionName = i.first; - auto & shdr = findSectionHeader(sectionName); + + /* 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()); + sectionName.c_str(), rdi(shdr.sh_offset), rdi(shdr.sh_size), curOff, i->second.size()); - memcpy(fileContents->data() + curOff, (unsigned char *) i.second.c_str(), - i.second.size()); + memcpy(fileContents->data() + curOff, (unsigned char *) 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_size, i->second.size()); wri(shdr.sh_addralign, sectionAlignment); /* If this is the .interp section, then the PT_INTERP segment @@ -638,7 +701,19 @@ void ElfFile::writeReplacedSections(Elf_Off & curOff, } } - curOff += roundUp(i.second.size(), sectionAlignment); + /* 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(); @@ -675,7 +750,7 @@ void ElfFile::rewriteSectionsLibrary() /* 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( rdi(shdrs.at(i).sh_offset) <= pht_size && i < rdi(hdr()->e_shnum) ) { + 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++; @@ -689,7 +764,11 @@ void ElfFile::rewriteSectionsLibrary() Elf_Off startOffset = roundUp(fileContents->size(), getPageSize()); - fileContents->resize(startOffset + neededSpace, 0); + // 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 @@ -829,7 +908,6 @@ void ElfFile::rewriteSectionsExecutable() 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); @@ -839,10 +917,10 @@ void ElfFile::rewriteSectionsExecutable() if (neededPages * getPageSize() > firstPage) error("virtual address space underrun!"); + shiftFile(neededPages, startOffset); + firstPage -= neededPages * getPageSize(); startOffset += neededPages * getPageSize(); - - shiftFile(neededPages, firstPage); } @@ -880,6 +958,14 @@ void ElfFile::normalizeNoteSegments() 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 @@ -1104,6 +1190,68 @@ std::string ElfFile::getInterpreter() return std::string((char *) fileContents->data() + rdi(shdr.sh_offset), rdi(shdr.sh_size) - 1); } +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) { @@ -1295,6 +1443,7 @@ void ElfFile::modifyRPath(RPathOp op, 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++) { @@ -1739,6 +1888,9 @@ void ElfFile::clearSymbolVersions(const std::set } 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; @@ -1764,6 +1916,12 @@ static void patchElf2(ElfFile && elfFile, const FileContents & fileContents, con 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, ""); @@ -1839,6 +1997,8 @@ void showHelp(const std::string & progName) [--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\ @@ -1888,6 +2048,14 @@ int mainWrapped(int argc, char * * argv) 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; } diff --git a/src/patchelf.h b/src/patchelf.h index 33ecfc3f..c336c511 100644 --- a/src/patchelf.h +++ b/src/patchelf.h @@ -77,7 +77,7 @@ class ElfFile void sortShdrs(); - void shiftFile(unsigned int extraPages, Elf_Addr startPage); + void shiftFile(unsigned int extraPages, size_t sizeOffset); std::string getSectionName(const Elf_Shdr & shdr) const; @@ -109,6 +109,10 @@ class ElfFile std::string getInterpreter(); + 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); diff --git a/tests/Makefile.am b/tests/Makefile.am index bbea1ba4..1fd3ff72 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -33,6 +33,7 @@ src_TESTS = \ endianness.sh \ contiguous-note-sections.sh \ no-gnu-hash.sh \ + change-abi.sh \ grow-file.sh \ no-dynamic-section.sh \ args-from-file.sh \ @@ -41,16 +42,17 @@ src_TESTS = \ phdr-corruption.sh \ replace-needed.sh \ replace-add-needed.sh \ - add-debug-tag.sh + add-debug-tag.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 +EXTRA_DIST = no-rpath-prebuild $(src_TESTS) no-rpath-prebuild.sh invalid-elf endianness empty-note -TESTS_ENVIRONMENT = PATCHELF_DEBUG=1 +TESTS_ENVIRONMENT = PATCHELF_DEBUG=1 OBJDUMP=$(OBJDUMP) READELF=$(READELF) OBJCOPY=$(OBJCOPY) $(no_rpath_arch_TESTS): no-rpath-prebuild.sh @ln -s $< $@ diff --git a/tests/add-debug-tag.sh b/tests/add-debug-tag.sh index 203a0bc0..4fbbfa4b 100755 --- a/tests/add-debug-tag.sh +++ b/tests/add-debug-tag.sh @@ -1,5 +1,6 @@ #! /bin/sh -e SCRATCH=scratch/$(basename $0 .sh) +READELF=${READELF:-readelf} rm -rf ${SCRATCH} mkdir -p ${SCRATCH} @@ -7,7 +8,7 @@ mkdir -p ${SCRATCH} cp libsimple.so ${SCRATCH}/ # check there is no DT_DEBUG tag -debugTag=$(readelf -d ${SCRATCH}/libsimple.so) +debugTag=$($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" @@ -18,7 +19,7 @@ fi ../src/patchelf --add-debug-tag ${SCRATCH}/libsimple.so # check there is DT_DEBUG tag -debugTag=$(readelf -d ${SCRATCH}/libsimple.so) +debugTag=$($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: $debugTag" diff --git a/tests/build-id.sh b/tests/build-id.sh index 81b8f060..dc44a7ae 100755 --- a/tests/build-id.sh +++ b/tests/build-id.sh @@ -1,10 +1,6 @@ #! /bin/sh -e SCRATCH=scratch/$(basename $0 .sh) - -if ! command -v readelf >/dev/null; then - echo "No readelf found; skip test" - exit 0 -fi +READELF=${READELF:-readelf} rm -rf "${SCRATCH}" mkdir -p "${SCRATCH}" @@ -17,4 +13,4 @@ long_rpath="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA --set-rpath "$long_rpath" "${SCRATCH}/libbuildid.so" # older readelf versions do not recognize build id, but we can grep by constant -readelf -n "${SCRATCH}/libbuildid.so" | grep -q -F -e 'Build ID' -e 'Unknown note type: (0x00000003)' +${READELF} -n "${SCRATCH}/libbuildid.so" | grep -q -F -e 'Build ID' -e 'Unknown note type: (0x00000003)' diff --git a/tests/change-abi.sh b/tests/change-abi.sh new file mode 100755 index 00000000..26a151dc --- /dev/null +++ b/tests/change-abi.sh @@ -0,0 +1,44 @@ +#! /bin/sh -e + +SCRATCH=scratch/$(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 +{ + echo "System V" + echo "HP-UX" + echo "NetBSD" + echo "Linux" + echo "GNU Hurd" + echo "Solaris" + echo "AIX" + echo "IRIX" + echo "FreeBSD" + echo "Tru64" + echo "OpenBSD" + echo "OpenVMS" +} | { + while IFS="\n" read ABI; 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 diff --git a/tests/contiguous-note-sections.sh b/tests/contiguous-note-sections.sh index 07c9354c..65abf0c6 100755 --- a/tests/contiguous-note-sections.sh +++ b/tests/contiguous-note-sections.sh @@ -1,6 +1,13 @@ #! /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 contiguous-note-sections +../src/patchelf --set-interpreter ld-linux-x86-64.so.2 ${SCRATCH}/contiguous-note-sections diff --git a/tests/empty-note b/tests/empty-note new file mode 100755 index 00000000..d58435e1 Binary files /dev/null and b/tests/empty-note differ diff --git a/tests/empty-note.sh b/tests/empty-note.sh new file mode 100755 index 00000000..c127d8cc --- /dev/null +++ b/tests/empty-note.sh @@ -0,0 +1,12 @@ +#! /bin/sh -e + +SCRATCH=scratch/$(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 ${SCRATCH}/empty-note diff --git a/tests/force-rpath.sh b/tests/force-rpath.sh index 92569056..c9b9a5d0 100755 --- a/tests/force-rpath.sh +++ b/tests/force-rpath.sh @@ -1,5 +1,6 @@ #! /bin/sh -e SCRATCH=scratch/$(basename $0 .sh) +OBJDUMP=${OBJDUMP:-objdump} rm -rf ${SCRATCH} mkdir -p ${SCRATCH} @@ -13,7 +14,7 @@ doit() { } expect() { - out=$(echo $(objdump -x $SCRATCHFILE | grep PATH)) + out=$(echo $($OBJDUMP -x $SCRATCHFILE | grep PATH)) if [ "$out" != "$*" ]; then echo "Expected '$*' but got '$out'" diff --git a/tests/no-gnu-hash.sh b/tests/no-gnu-hash.sh index a98f4599..0ce93f40 100755 --- a/tests/no-gnu-hash.sh +++ b/tests/no-gnu-hash.sh @@ -1,12 +1,13 @@ #! /bin/sh -e SCRATCH=scratch/$(basename $0 .sh) +STRIP=${STRIP:-strip} rm -rf ${SCRATCH} mkdir -p ${SCRATCH} cp simple ${SCRATCH}/ -strip --remove-section=.gnu.hash ${SCRATCH}/simple +${STRIP} --remove-section=.gnu.hash ${SCRATCH}/simple # Check if patchelf handles binaries with GNU_HASH in dynamic section but # without .gnu.hash section diff --git a/tests/no-rpath-pie-powerpc.sh b/tests/no-rpath-pie-powerpc.sh index 5bdb7857..b469f9bf 100755 --- a/tests/no-rpath-pie-powerpc.sh +++ b/tests/no-rpath-pie-powerpc.sh @@ -1,6 +1,7 @@ #! /bin/sh -e set -x SCRATCH=scratch/no-rpath-pie-powerpc +READELF=${READELF:-readelf} no_rpath_bin="${srcdir}/no-rpath-prebuild/no-rpath-pie-powerpc" @@ -27,7 +28,7 @@ if ! echo "$newRPath" | grep -q '/foo:/bar'; then fi # Tests for powerpc PIE endianness regressions -readelfData=$(readelf -l ${SCRATCH}/no-rpath 2>&1) +readelfData=$(${READELF} -l ${SCRATCH}/no-rpath 2>&1) if [ $(echo "$readelfData" | grep --count "PHDR") != 1 ]; then # Triggered if PHDR errors appear on stderr diff --git a/tests/phdr-corruption.sh b/tests/phdr-corruption.sh index 0a368828..1e621016 100755 --- a/tests/phdr-corruption.sh +++ b/tests/phdr-corruption.sh @@ -4,6 +4,7 @@ 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}" @@ -12,7 +13,7 @@ cp "${SONAME}" "${SCRATCH}" "${PATCHELF}" --set-rpath "$(pwd)" "${SCRATCH_SO}" # Check for PT_PHDR entry VirtAddr corruption -readelfData=$(readelf -l "${SCRATCH_SO}" 2>&1) +readelfData=$(${READELF} -l "${SCRATCH_SO}" 2>&1) if [ $(echo "$readelfData" | grep --count "PHDR") != 1 ]; then # Triggered if PHDR errors appear on stderr diff --git a/tests/replace-add-needed.sh b/tests/replace-add-needed.sh index ab0d3532..e2cb2555 100755 --- a/tests/replace-add-needed.sh +++ b/tests/replace-add-needed.sh @@ -11,7 +11,7 @@ cp libbar.so ${SCRATCH}/ cd ${SCRATCH} -libcldd=$(ldd ./simple | awk '/ => / { print $3 }' | grep -E "(libc.so|ld-musl)") +libcldd=$(ldd ./simple | awk '/ => / { print $3 }' | grep -E "(libc(-[0-9.]*)*.so|ld-musl)") # We have to set the soname on these libraries ${PATCHELF} --set-soname libbar.so ./libbar.so diff --git a/tests/set-rpath-rel-map.sh b/tests/set-rpath-rel-map.sh index efc09437..48bc361b 100755 --- a/tests/set-rpath-rel-map.sh +++ b/tests/set-rpath-rel-map.sh @@ -1,12 +1,14 @@ #! /bin/sh -e -if ! objdump -p main | grep -q MIPS_RLD_MAP_REL; then +SCRATCH=scratch/$(basename $0 .sh) +OBJDUMP=${OBJDUMP:-objdump} +OBJCOPY=${OBJCOPY:-objcopy} + +if ! $OBJDUMP -p main | grep -q MIPS_RLD_MAP_REL; then echo "No MIPS_RLD_MAP_REL dynamic section entry, skipping" exit 0 fi -SCRATCH=scratch/$(basename $0 .sh) - rm -rf ${SCRATCH} mkdir -p ${SCRATCH} mkdir -p ${SCRATCH}/libsA @@ -17,7 +19,7 @@ cp libfoo.so ${SCRATCH}/libsA/ cp libbar.so ${SCRATCH}/libsB/ # break the main executable by removing .rld_map section -objcopy --remove-section .rld_map ${SCRATCH}/main +${OBJCOPY} --remove-section .rld_map ${SCRATCH}/main oldRPath=$(../src/patchelf --print-rpath ${SCRATCH}/main) if test -z "$oldRPath"; then oldRPath="/oops"; fi diff --git a/version b/version index 7092c7c4..c5523bd0 100644 --- a/version +++ b/version @@ -1 +1 @@ -0.15.0 \ No newline at end of file +0.17.0