-//===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===//
+//===-- X86TargetObjectFile.cpp - X86 Object Info -------------------------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#include "X86MCTargetExpr.h"
#include "X86TargetObjectFile.h"
#include "X86TargetMachine.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ELF.h"
+#include "llvm/Target/Mangler.h"
using namespace llvm;
using namespace dwarf;
-void X86_MachoTargetObjectFile::Initialize(MCContext &Ctx,
- const TargetMachine &TM) {
- TargetLoweringObjectFileMachO::Initialize(Ctx, TM);
-
- // Exception Handling.
- LSDASection = getMachOSection("__TEXT", "__gcc_except_tab", 0,
- SectionKind::getReadOnlyWithRel());
-}
-
-unsigned X86_MachoTargetObjectFile::getTTypeEncoding() const {
- return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-const MCExpr *X8664_MachoTargetObjectFile::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
+const MCExpr *X86_64MachoTargetObjectFile::
+getTTypeGlobalReference(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)) {
- SmallString<128> Name;
- Mang->getNameWithPrefix(Name, GV, false);
- const MCSymbol *Sym;
- if (GV->hasPrivateLinkage())
- Sym = getContext().GetOrCreateTemporarySymbol(Name);
- else
- Sym = getContext().GetOrCreateSymbol(Name);
+ const MCSymbol *Sym = Mang->getSymbol(GV);
const MCExpr *Res =
- X86MCTargetExpr::Create(Sym, X86MCTargetExpr::GOTPCREL, getContext());
+ 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);
+ getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
-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;
+MCSymbol *X86_64MachoTargetObjectFile::
+getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI) const {
+ return Mang->getSymbol(GV);
}
-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() 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() const {
- CodeModel::Model Model = TM.getCodeModel();
- if (TM.getRelocationModel() == Reloc::PIC_)
- return 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::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;
+void
+X86LinuxTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
+ TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+ InitializeELF(TM.Options.UseInitArray);
}