diff options
Diffstat (limited to 'include/llvm/Object/RelocVisitor.h')
-rw-r--r-- | include/llvm/Object/RelocVisitor.h | 88 |
1 files changed, 65 insertions, 23 deletions
diff --git a/include/llvm/Object/RelocVisitor.h b/include/llvm/Object/RelocVisitor.h index 6239ec1796aec..97912fe52d819 100644 --- a/include/llvm/Object/RelocVisitor.h +++ b/include/llvm/Object/RelocVisitor.h @@ -18,6 +18,7 @@ #include "llvm/ADT/StringRef.h" #include "llvm/Object/ObjectFile.h" +#include "llvm/Object/ELFObjectFile.h" #include "llvm/Support/Debug.h" #include "llvm/Support/ELF.h" #include "llvm/Support/raw_ostream.h" @@ -80,6 +81,16 @@ public: switch (RelocType) { case llvm::ELF::R_PPC64_ADDR32: return visitELF_PPC64_ADDR32(R, Value); + case llvm::ELF::R_PPC64_ADDR64: + return visitELF_PPC64_ADDR64(R, Value); + default: + HasError = true; + return RelocToApply(); + } + } else if (FileFormat == "ELF32-ppc") { + switch (RelocType) { + case llvm::ELF::R_PPC_ADDR32: + return visitELF_PPC_ADDR32(R, Value); default: HasError = true; return RelocToApply(); @@ -123,6 +134,37 @@ private: StringRef FileFormat; bool HasError; + int64_t getAddend32LE(RelocationRef R) { + const ELF32LEObjectFile *Obj = cast<ELF32LEObjectFile>(R.getObjectFile()); + DataRefImpl DRI = R.getRawDataRefImpl(); + int64_t Addend; + Obj->getRelocationAddend(DRI, Addend); + return Addend; + } + + int64_t getAddend64LE(RelocationRef R) { + const ELF64LEObjectFile *Obj = cast<ELF64LEObjectFile>(R.getObjectFile()); + DataRefImpl DRI = R.getRawDataRefImpl(); + int64_t Addend; + Obj->getRelocationAddend(DRI, Addend); + return Addend; + } + + int64_t getAddend32BE(RelocationRef R) { + const ELF32BEObjectFile *Obj = cast<ELF32BEObjectFile>(R.getObjectFile()); + DataRefImpl DRI = R.getRawDataRefImpl(); + int64_t Addend; + Obj->getRelocationAddend(DRI, Addend); + return Addend; + } + + int64_t getAddend64BE(RelocationRef R) { + const ELF64BEObjectFile *Obj = cast<ELF64BEObjectFile>(R.getObjectFile()); + DataRefImpl DRI = R.getRawDataRefImpl(); + int64_t Addend; + Obj->getRelocationAddend(DRI, Addend); + return Addend; + } /// Operations /// 386-ELF @@ -133,15 +175,13 @@ private: // Ideally the Addend here will be the addend in the data for // the relocation. It's not actually the case for Rel relocations. RelocToApply visitELF_386_32(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend32LE(R); return RelocToApply(Value + Addend, 4); } RelocToApply visitELF_386_PC32(RelocationRef R, uint64_t Value, uint64_t SecAddr) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend32LE(R); uint64_t Address; R.getOffset(Address); return RelocToApply(Value + Addend - Address, 4); @@ -152,35 +192,41 @@ private: return RelocToApply(0, 0); } RelocToApply visitELF_X86_64_64(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); return RelocToApply(Value + Addend, 8); } RelocToApply visitELF_X86_64_PC32(RelocationRef R, uint64_t Value, uint64_t SecAddr) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); uint64_t Address; R.getOffset(Address); return RelocToApply(Value + Addend - Address, 4); } RelocToApply visitELF_X86_64_32(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); uint32_t Res = (Value + Addend) & 0xFFFFFFFF; return RelocToApply(Res, 4); } RelocToApply visitELF_X86_64_32S(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); int32_t Res = (Value + Addend) & 0xFFFFFFFF; return RelocToApply(Res, 4); } /// PPC64 ELF RelocToApply visitELF_PPC64_ADDR32(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64BE(R); + uint32_t Res = (Value + Addend) & 0xFFFFFFFF; + return RelocToApply(Res, 4); + } + RelocToApply visitELF_PPC64_ADDR64(RelocationRef R, uint64_t Value) { + int64_t Addend = getAddend64BE(R); + return RelocToApply(Value + Addend, 8); + } + + /// PPC32 ELF + RelocToApply visitELF_PPC_ADDR32(RelocationRef R, uint64_t Value) { + int64_t Addend = getAddend32BE(R); uint32_t Res = (Value + Addend) & 0xFFFFFFFF; return RelocToApply(Res, 4); } @@ -188,15 +234,14 @@ private: /// MIPS ELF RelocToApply visitELF_MIPS_32(RelocationRef R, uint64_t Value) { int64_t Addend; - R.getAdditionalInfo(Addend); + getELFRelocationAddend(R, Addend); uint32_t Res = (Value + Addend) & 0xFFFFFFFF; return RelocToApply(Res, 4); } // AArch64 ELF RelocToApply visitELF_AARCH64_ABS32(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); int64_t Res = Value + Addend; // Overflow check allows for both signed and unsigned interpretation. @@ -207,15 +252,13 @@ private: } RelocToApply visitELF_AARCH64_ABS64(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64LE(R); return RelocToApply(Value + Addend, 8); } // SystemZ ELF RelocToApply visitELF_390_32(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64BE(R); int64_t Res = Value + Addend; // Overflow check allows for both signed and unsigned interpretation. @@ -226,8 +269,7 @@ private: } RelocToApply visitELF_390_64(RelocationRef R, uint64_t Value) { - int64_t Addend; - R.getAdditionalInfo(Addend); + int64_t Addend = getAddend64BE(R); return RelocToApply(Value + Addend, 8); } }; |