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Move the Mips only bits of the ELF writer to lib/Target/Mips.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-12-22 03:03:17 +00:00
parent 6db2d92603
commit 090445967f
6 changed files with 146 additions and 145 deletions
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102
lib/MC/ELFObjectWriter.cpp
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@ -27,8 +27,6 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/ADT/StringSwitch.h"
#include "../Target/Mips/MCTargetDesc/MipsFixupKinds.h"
#include <vector>
using namespace llvm;
@ -1262,9 +1260,8 @@ MCObjectWriter *llvm::createELFObjectWriter(MCELFObjectTargetWriter *MOTW,
case ELF::EM_PPC:
case ELF::EM_PPC64:
case ELF::EM_MBLAZE:
return new ELFObjectWriter(MOTW, OS, IsLittleEndian); break;
case ELF::EM_MIPS:
return new MipsELFObjectWriter(MOTW, OS, IsLittleEndian); break;
return new ELFObjectWriter(MOTW, OS, IsLittleEndian); break;
default: llvm_unreachable("Unsupported architecture"); break;
}
}
@ -1277,100 +1274,3 @@ unsigned ELFObjectWriter::GetRelocType(const MCValue &Target,
return TargetObjectWriter->GetRelocType(Target, Fixup, IsPCRel,
IsRelocWithSymbol, Addend);
}
/// START OF SUBCLASSES for ELFObjectWriter
//===- MipsELFObjectWriter -------------------------------------------===//
MipsELFObjectWriter::MipsELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS,
bool IsLittleEndian)
: ELFObjectWriter(MOTW, _OS, IsLittleEndian) {}
MipsELFObjectWriter::~MipsELFObjectWriter() {}
// FIXME: get the real EABI Version from the Triple.
unsigned MipsELFObjectWriter::getEFlags() const {
return ELF::EF_MIPS_NOREORDER | ELF::EF_MIPS_ARCH_32R2;
}
const MCSymbol *MipsELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm,
const MCValue &Target,
const MCFragment &F,
const MCFixup &Fixup,
bool IsPCRel) const {
assert(Target.getSymA() && "SymA cannot be 0.");
const MCSymbol &Sym = Target.getSymA()->getSymbol();
if (Sym.getSection().getKind().isMergeableCString() ||
Sym.getSection().getKind().isMergeableConst())
return &Sym;
return NULL;
}
unsigned MipsELFObjectWriter::GetRelocType(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel,
bool IsRelocWithSymbol,
int64_t Addend) const {
// determine the type of the relocation
unsigned Type = (unsigned)ELF::R_MIPS_NONE;
unsigned Kind = (unsigned)Fixup.getKind();
switch (Kind) {
default:
llvm_unreachable("invalid fixup kind!");
case FK_Data_4:
Type = ELF::R_MIPS_32;
break;
case FK_GPRel_4:
Type = ELF::R_MIPS_GPREL32;
break;
case Mips::fixup_Mips_GPREL16:
Type = ELF::R_MIPS_GPREL16;
break;
case Mips::fixup_Mips_26:
Type = ELF::R_MIPS_26;
break;
case Mips::fixup_Mips_CALL16:
Type = ELF::R_MIPS_CALL16;
break;
case Mips::fixup_Mips_GOT_Global:
case Mips::fixup_Mips_GOT_Local:
Type = ELF::R_MIPS_GOT16;
break;
case Mips::fixup_Mips_HI16:
Type = ELF::R_MIPS_HI16;
break;
case Mips::fixup_Mips_LO16:
Type = ELF::R_MIPS_LO16;
break;
case Mips::fixup_Mips_TLSGD:
Type = ELF::R_MIPS_TLS_GD;
break;
case Mips::fixup_Mips_GOTTPREL:
Type = ELF::R_MIPS_TLS_GOTTPREL;
break;
case Mips::fixup_Mips_TPREL_HI:
Type = ELF::R_MIPS_TLS_TPREL_HI16;
break;
case Mips::fixup_Mips_TPREL_LO:
Type = ELF::R_MIPS_TLS_TPREL_LO16;
break;
case Mips::fixup_Mips_TLSLDM:
Type = ELF::R_MIPS_TLS_LDM;
break;
case Mips::fixup_Mips_DTPREL_HI:
Type = ELF::R_MIPS_TLS_DTPREL_HI16;
break;
case Mips::fixup_Mips_DTPREL_LO:
Type = ELF::R_MIPS_TLS_DTPREL_LO16;
break;
case Mips::fixup_Mips_Branch_PCRel:
case Mips::fixup_Mips_PC16:
Type = ELF::R_MIPS_PC16;
break;
}
return Type;
}