llvm-6502/lib/Target/X86/X86TargetObjectFile.cpp
Chandler Carruth 9bc1537488 Remove an unused variable from this function introduced in r130637,
likely a result of copy/paste.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130640 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01 06:14:10 +00:00

122 lines
4.1 KiB
C++

//===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "X86TargetObjectFile.h"
#include "X86TargetMachine.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Target/Mangler.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Dwarf.h"
using namespace llvm;
using namespace dwarf;
const MCExpr *X8664_MachoTargetObjectFile::
getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const {
// On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
// is an indirect pc-relative reference.
if (Encoding & (DW_EH_PE_indirect | DW_EH_PE_pcrel)) {
const MCSymbol *Sym = Mang->getSymbol(GV);
const MCExpr *Res =
MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_GOTPCREL, getContext());
const MCExpr *Four = MCConstantExpr::Create(4, getContext());
return MCBinaryExpr::CreateAdd(Res, Four, getContext());
}
return TargetLoweringObjectFileMachO::
getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
MCSymbol *X8664_MachoTargetObjectFile::
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfo *MMI) const {
return Mang->getSymbol(GV);
}
unsigned X8632_ELFTargetObjectFile::getPersonalityEncoding() const {
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
else
return DW_EH_PE_absptr;
}
unsigned X8632_ELFTargetObjectFile::getLSDAEncoding() const {
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
else
return DW_EH_PE_absptr;
}
unsigned X8632_ELFTargetObjectFile::getFDEEncoding(bool FDE) const {
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
else
return DW_EH_PE_absptr;
}
unsigned X8632_ELFTargetObjectFile::getTTypeEncoding() const {
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
else
return DW_EH_PE_absptr;
}
unsigned X8664_ELFTargetObjectFile::getPersonalityEncoding() const {
CodeModel::Model Model = TM.getCodeModel();
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
Model == CodeModel::Medium ?
DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
if (Model == CodeModel::Small || Model == CodeModel::Medium)
return DW_EH_PE_udata4;
return DW_EH_PE_absptr;
}
unsigned X8664_ELFTargetObjectFile::getLSDAEncoding() const {
CodeModel::Model Model = TM.getCodeModel();
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_pcrel | (Model == CodeModel::Small ?
DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
if (Model == CodeModel::Small)
return DW_EH_PE_udata4;
return DW_EH_PE_absptr;
}
unsigned X8664_ELFTargetObjectFile::getFDEEncoding(bool CFI) const {
if (CFI)
return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
return DW_EH_PE_udata4;
}
unsigned X8664_ELFTargetObjectFile::getTTypeEncoding() const {
CodeModel::Model Model = TM.getCodeModel();
if (TM.getRelocationModel() == Reloc::PIC_)
return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
Model == CodeModel::Medium ?
DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
if (Model == CodeModel::Small)
return DW_EH_PE_udata4;
return DW_EH_PE_absptr;
}