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Move all the dependencies on X86FixupKinds.h to a single method in preparation

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to moving it to lib/Target/X86.

llvm-svn: 147190
This commit is contained in:
Rafael Espindola 2011-12-22 22:21:47 +00:00
parent a678ad9ecc
commit 640fd8dd5f
1 changed files with 34 additions and 27 deletions
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61
lib/MC/WinCOFFObjectWriter.cpp
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@ -120,6 +120,8 @@ public:
};
class WinCOFFObjectWriter : public MCObjectWriter {
unsigned getRelocType(unsigned FixupKind) const;
public:
typedef std::vector<COFFSymbol*> symbols;
@ -627,6 +629,32 @@ void WinCOFFObjectWriter::ExecutePostLayoutBinding(MCAssembler &Asm,
}
}
unsigned WinCOFFObjectWriter::getRelocType(unsigned FixupKind) const {
switch (FixupKind) {
case FK_PCRel_4:
case X86::reloc_riprel_4byte:
case X86::reloc_riprel_4byte_movq_load:
return Is64Bit ? COFF::IMAGE_REL_AMD64_REL32 : COFF::IMAGE_REL_I386_REL32;
break;
case FK_Data_4:
case X86::reloc_signed_4byte:
return Is64Bit ? COFF::IMAGE_REL_AMD64_ADDR32 : COFF::IMAGE_REL_I386_DIR32;
break;
case FK_Data_8:
if (Is64Bit)
return COFF::IMAGE_REL_AMD64_ADDR64;
else
llvm_unreachable("unsupported relocation type");
break;
case X86::reloc_coff_secrel32:
return Is64Bit ? COFF::IMAGE_REL_AMD64_SREL32 : COFF::IMAGE_REL_I386_SECREL;
break;
default:
llvm_unreachable("unsupported relocation type");
}
}
void WinCOFFObjectWriter::RecordRelocation(const MCAssembler &Asm,
const MCAsmLayout &Layout,
const MCFragment *Fragment,
@ -695,34 +723,13 @@ void WinCOFFObjectWriter::RecordRelocation(const MCAssembler &Asm,
if (CrossSection)
FixupKind = FK_PCRel_4;
switch (FixupKind) {
case FK_PCRel_4:
case X86::reloc_riprel_4byte:
case X86::reloc_riprel_4byte_movq_load:
Reloc.Data.Type = Is64Bit ? COFF::IMAGE_REL_AMD64_REL32
: COFF::IMAGE_REL_I386_REL32;
// FIXME: Can anyone explain what this does other than adjust for the size
// of the offset?
Reloc.Data.Type = getRelocType(FixupKind);
// FIXME: Can anyone explain what this does other than adjust for the size
// of the offset?
if (Reloc.Data.Type == COFF::IMAGE_REL_AMD64_REL32 ||
Reloc.Data.Type == COFF::IMAGE_REL_I386_REL32)
FixedValue += 4;
break;
case FK_Data_4:
case X86::reloc_signed_4byte:
Reloc.Data.Type = Is64Bit ? COFF::IMAGE_REL_AMD64_ADDR32
: COFF::IMAGE_REL_I386_DIR32;
break;
case FK_Data_8:
if (Is64Bit)
Reloc.Data.Type = COFF::IMAGE_REL_AMD64_ADDR64;
else
llvm_unreachable("unsupported relocation type");
break;
case X86::reloc_coff_secrel32:
Reloc.Data.Type = Is64Bit ? COFF::IMAGE_REL_AMD64_SREL32
: COFF::IMAGE_REL_I386_SECREL;
break;
default:
llvm_unreachable("unsupported relocation type");
}
coff_section->Relocations.push_back(Reloc);
}