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-rw-r--r--include/llvm/Object/RelocVisitor.h88
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);
}
};