diff options
Diffstat (limited to 'include/llvm/Object/ELF.h')
| -rw-r--r-- | include/llvm/Object/ELF.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/include/llvm/Object/ELF.h b/include/llvm/Object/ELF.h index e554f4a45f..beff6efabb 100644 --- a/include/llvm/Object/ELF.h +++ b/include/llvm/Object/ELF.h @@ -677,6 +677,7 @@ public: error_code getSymbolVersion(SymbolRef Symb, StringRef &Version, bool &IsDefault) const; uint64_t getSymbolIndex(const Elf_Sym *sym) const; + error_code getRelocationAddend(DataRefImpl Rel, int64_t &Res) const; protected: virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const; virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const; @@ -725,8 +726,6 @@ protected: uint64_t &Res) const; virtual error_code getRelocationTypeName(DataRefImpl Rel, SmallVectorImpl<char> &Result) const; - virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel, - int64_t &Res) const; virtual error_code getRelocationValueString(DataRefImpl Rel, SmallVectorImpl<char> &Result) const; @@ -2227,7 +2226,7 @@ error_code ELFObjectFile<ELFT>::getRelocationTypeName( } template<class ELFT> -error_code ELFObjectFile<ELFT>::getRelocationAdditionalInfo( +error_code ELFObjectFile<ELFT>::getRelocationAddend( DataRefImpl Rel, int64_t &Result) const { const Elf_Shdr *sec = getSection(Rel.w.b); switch (sec->sh_type) { @@ -2949,6 +2948,35 @@ error_code ELFObjectFile<ELFT>::getSymbolVersion(const Elf_Shdr *section, return object_error::success; } +/// FIXME: Maybe we should have a base ElfObjectFile that is not a template +/// and make these member functions? +static inline error_code getELFRelocationAddend(const RelocationRef R, + int64_t &Addend) { + const ObjectFile *Obj = R.getObjectFile(); + DataRefImpl DRI = R.getRawDataRefImpl(); + // Little-endian 32-bit + if (const ELFObjectFile<ELFType<support::little, 4, false> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::little, 4, false> > >(Obj)) + return ELFObj->getRelocationAddend(DRI, Addend); + + // Big-endian 32-bit + if (const ELFObjectFile<ELFType<support::big, 4, false> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::big, 4, false> > >(Obj)) + return ELFObj->getRelocationAddend(DRI, Addend); + + // Little-endian 64-bit + if (const ELFObjectFile<ELFType<support::little, 8, true> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::little, 8, true> > >(Obj)) + return ELFObj->getRelocationAddend(DRI, Addend); + + // Big-endian 64-bit + if (const ELFObjectFile<ELFType<support::big, 8, true> > *ELFObj = + dyn_cast<ELFObjectFile<ELFType<support::big, 8, true> > >(Obj)) + return ELFObj->getRelocationAddend(DRI, Addend); + + llvm_unreachable("Object passed to getELFRelocationAddend() is not ELF"); +} + /// This is a generic interface for retrieving GNU symbol version /// information from an ELFObjectFile. static inline error_code GetELFSymbolVersion(const ObjectFile *Obj, |