-//===-- 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/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/MC/MCContext.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/ADT/SmallString.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionELF.h"
#include "llvm/Support/Dwarf.h"
+#include "llvm/Target/Mangler.h"
+
using namespace llvm;
using namespace dwarf;
-const MCExpr *X8632_MachoTargetObjectFile::
-getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding) const {
- // The mach-o version of this method defaults to returning a stub reference.
-
- if (Encoding & DW_EH_PE_indirect) {
- MachineModuleInfoMachO &MachOMMI =
- MMI->getObjFileInfo<MachineModuleInfoMachO>();
-
- SmallString<128> Name;
- Mang->getNameWithPrefix(Name, GV, true);
- Name += "$non_lazy_ptr";
-
- // Add information about the stub reference to MachOMMI so that the stub
- // gets emitted by the asmprinter.
- MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str());
- MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
- if (StubSym == 0) {
- Name.clear();
- Mang->getNameWithPrefix(Name, GV, false);
- StubSym = getContext().GetOrCreateSymbol(Name.str());
- }
-
- return TargetLoweringObjectFile::
- getSymbolForDwarfReference(Sym, MMI,
- Encoding & ~dwarf::DW_EH_PE_indirect);
- }
-
- return TargetLoweringObjectFileMachO::
- getSymbolForDwarfGlobalReference(GV, Mang, MMI, Encoding);
-}
-
-const MCExpr *X8664_MachoTargetObjectFile::
-getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding) 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) &&
- (Encoding & DW_EH_PE_pcrel)) {
- SmallString<128> Name;
- Mang->getNameWithPrefix(Name, GV, false);
- const MCSymbol *Sym = getContext().CreateSymbol(Name);
- const MCExpr *Res =
- X86MCTargetExpr::Create(Sym, X86MCTargetExpr::GOTPCREL, getContext());
- const MCExpr *Four = MCConstantExpr::Create(4, getContext());
- return MCBinaryExpr::CreateAdd(Res, Four, getContext());
+ 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::
- getSymbolForDwarfGlobalReference(GV, Mang, MMI, Encoding);
-}
-
-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() 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;
-}
-
-unsigned X8632_MachoTargetObjectFile::getPersonalityEncoding() const {
- return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-unsigned X8632_MachoTargetObjectFile::getLSDAEncoding() const {
- return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-unsigned X8632_MachoTargetObjectFile::getFDEEncoding() const {
- return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-unsigned X8632_MachoTargetObjectFile::getTTypeEncoding() const {
- return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-unsigned X8664_MachoTargetObjectFile::getPersonalityEncoding() const {
- return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
+ getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
-unsigned X8664_MachoTargetObjectFile::getLSDAEncoding() const {
- return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
+MCSymbol *X86_64MachoTargetObjectFile::
+getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI) const {
+ return Mang->getSymbol(GV);
}
-unsigned X8664_MachoTargetObjectFile::getFDEEncoding() const {
- return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
+void
+X86LinuxTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
+ TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+ InitializeELF(TM.Options.UseInitArray);
}
-unsigned X8664_MachoTargetObjectFile::getTTypeEncoding() const {
- return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
+const MCExpr *
+X86LinuxTargetObjectFile::getDebugThreadLocalSymbol(
+ const MCSymbol *Sym) const {
+ return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
}
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