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Use getFixupKindInfo to implement isFixupKindPCRel, ELF version.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-12-17 07:28:17 +00:00
parent e27db74a60
commit 127a6a47bd
1 changed files with 8 additions and 40 deletions
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48
lib/MC/ELFObjectWriter.cpp
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@ -87,6 +87,13 @@ static bool RelocNeedsGOT(MCSymbolRefExpr::VariantKind Variant) {
} }
} }
static bool isFixupKindPCRel(const MCAssembler &Asm, unsigned Kind) {
const MCFixupKindInfo &FKI =
Asm.getBackend().getFixupKindInfo((MCFixupKind) Kind);
return FKI.Flags & MCFixupKindInfo::FKF_IsPCRel;
}
namespace { namespace {
class ELFObjectWriter : public MCObjectWriter { class ELFObjectWriter : public MCObjectWriter {
protected: protected:
@ -361,8 +368,6 @@ namespace {
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol, bool IsPCRel, bool IsRelocWithSymbol,
int64_t Addend) = 0; int64_t Addend) = 0;
virtual bool isFixupKindPCRel(unsigned Kind) const = 0;
}; };
//===- X86ELFObjectWriter -------------------------------------------===// //===- X86ELFObjectWriter -------------------------------------------===//
@ -378,19 +383,6 @@ namespace {
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol, bool IsPCRel, bool IsRelocWithSymbol,
int64_t Addend); int64_t Addend);
virtual bool isFixupKindPCRel(unsigned Kind) const {
switch (Kind) {
default:
return false;
case FK_PCRel_1:
case FK_PCRel_2:
case FK_PCRel_4:
case X86::reloc_riprel_4byte:
case X86::reloc_riprel_4byte_movq_load:
return true;
}
}
}; };
@ -407,19 +399,6 @@ namespace {
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol, bool IsPCRel, bool IsRelocWithSymbol,
int64_t Addend); int64_t Addend);
virtual bool isFixupKindPCRel(unsigned Kind) const {
switch (Kind) {
default:
return false;
case FK_PCRel_1:
case FK_PCRel_2:
case FK_PCRel_4:
case ARM::fixup_arm_ldst_pcrel_12:
case ARM::fixup_arm_pcrel_10:
case ARM::fixup_arm_branch:
return true;
}
}
}; };
//===- MBlazeELFObjectWriter -------------------------------------------===// //===- MBlazeELFObjectWriter -------------------------------------------===//
@ -435,17 +414,6 @@ namespace {
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol, bool IsPCRel, bool IsRelocWithSymbol,
int64_t Addend); int64_t Addend);
virtual bool isFixupKindPCRel(unsigned Kind) const {
switch (Kind) {
default:
return false;
case FK_PCRel_1:
case FK_PCRel_2:
case FK_PCRel_4:
return true;
}
}
}; };
} }
@ -777,7 +745,7 @@ void ELFObjectWriter::RecordRelocation(const MCAssembler &Asm,
int64_t Value = Target.getConstant(); int64_t Value = Target.getConstant();
const MCSymbol *RelocSymbol = NULL; const MCSymbol *RelocSymbol = NULL;
bool IsPCRel = isFixupKindPCRel(Fixup.getKind()); bool IsPCRel = isFixupKindPCRel(Asm, Fixup.getKind());
if (!Target.isAbsolute()) { if (!Target.isAbsolute()) {
const MCSymbol &Symbol = Target.getSymA()->getSymbol(); const MCSymbol &Symbol = Target.getSymA()->getSymbol();
const MCSymbol &ASymbol = Symbol.AliasedSymbol(); const MCSymbol &ASymbol = Symbol.AliasedSymbol();