forked from OSchip/llvm-project
75 lines
3.0 KiB
C++
75 lines
3.0 KiB
C++
//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
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#define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
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#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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namespace llvm {
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/// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
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/// x86-64.
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class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
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public:
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const MCExpr *
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getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding,
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Mangler &Mang, const TargetMachine &TM,
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MachineModuleInfo *MMI,
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MCStreamer &Streamer) const override;
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// getCFIPersonalitySymbol - The symbol that gets passed to
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// .cfi_personality.
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MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
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const TargetMachine &TM,
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MachineModuleInfo *MMI) const override;
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const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
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const MCValue &MV, int64_t Offset,
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MachineModuleInfo *MMI,
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MCStreamer &Streamer) const override;
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};
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/// \brief This implemenatation is used for X86 ELF targets that don't
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/// have a further specialization.
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class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
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public:
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X86ELFTargetObjectFile() {
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PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
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}
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/// \brief Describe a TLS variable address within debug info.
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const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
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};
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/// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
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/// Native Client on x86 and x86-64.
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class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
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void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
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};
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/// \brief This implementation is used for Windows targets on x86 and x86-64.
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class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
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const MCExpr *
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lowerRelativeReference(const GlobalValue *LHS, const GlobalValue *RHS,
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Mangler &Mang,
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const TargetMachine &TM) const override;
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/// \brief Given a mergeable constant with the specified size and relocation
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/// information, return a section that it should be placed in.
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MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
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const Constant *C,
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unsigned &Align) const override;
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};
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} // end namespace llvm
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#endif
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