diff options
Diffstat (limited to 'src/patchelf.cc')
| -rw-r--r-- | src/patchelf.cc | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/src/patchelf.cc b/src/patchelf.cc index 37e6479..f2f9043 100644 --- a/src/patchelf.cc +++ b/src/patchelf.cc @@ -2293,6 +2293,42 @@ void ElfFile<ElfFileParamNames>::modifyExecstack(ExecstackMode op) printf("execstack: %c\n", result); } +template<ElfFileParams> +template<class StrIdxCallback> +void ElfFile<ElfFileParamNames>::forAllStringReferences(Elf_Shdr& strTabHdr, StrIdxCallback&& fn) +{ + for (auto& sym : tryGetSectionSpan<Elf_Sym>(".dynsym")) + fn(sym.st_name); + + for (auto& dyn : tryGetSectionSpan<Elf_Dyn>(".dynamic")) + switch (rdi(dyn.d_tag)) + { + case DT_NEEDED: + case DT_SONAME: + case DT_RPATH: + case DT_RUNPATH: fn(dyn.d_un.d_val); + default:; + } + + if (auto verdHdr = tryFindSectionHeader(".gnu.version_d")) + { + if (&shdrs.at(rdi(verdHdr->get().sh_link)) == &strTabHdr) + forAll_ElfVer(getSectionSpan<Elf_Verdef>(*verdHdr), + [] (auto& /*vd*/) {}, + [&] (auto& vda) { fn(vda.vda_name); } + ); + } + + if (auto vernHdr = tryFindSectionHeader(".gnu.version_r")) + { + if (&shdrs.at(rdi(vernHdr->get().sh_link)) == &strTabHdr) + forAll_ElfVer(getSectionSpan<Elf_Verneed>(*vernHdr), + [&] (auto& vn) { fn(vn.vn_file); }, + [&] (auto& vna) { fn(vna.vna_name); } + ); + } +} + static bool printInterpreter = false; static bool printOsAbi = false; static bool setOsAbi = false; @@ -2397,9 +2433,9 @@ static void patchElf() const std::string & outputFileName2 = outputFileName.empty() ? fileName : outputFileName; if (getElfType(fileContents).is32Bit) - patchElf2(ElfFile<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Addr, Elf32_Off, Elf32_Dyn, Elf32_Sym, Elf32_Verneed, Elf32_Versym, Elf32_Rel, Elf32_Rela, 32>(fileContents), fileContents, outputFileName2); + patchElf2(ElfFile<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Addr, Elf32_Off, Elf32_Dyn, Elf32_Sym, Elf32_Versym, Elf32_Verdef, Elf32_Verdaux, Elf32_Verneed, Elf32_Vernaux, Elf32_Rel, Elf32_Rela, 32>(fileContents), fileContents, outputFileName2); else - patchElf2(ElfFile<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Addr, Elf64_Off, Elf64_Dyn, Elf64_Sym, Elf64_Verneed, Elf64_Versym, Elf64_Rel, Elf64_Rela, 64>(fileContents), fileContents, outputFileName2); + patchElf2(ElfFile<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Addr, Elf64_Off, Elf64_Dyn, Elf64_Sym, Elf64_Versym, Elf64_Verdef, Elf64_Verdaux, Elf64_Verneed, Elf64_Vernaux, Elf64_Rel, Elf64_Rela, 64>(fileContents), fileContents, outputFileName2); } } |