1 //===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H 11 #define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H 12 13 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h" 14 #include "llvm/Target/TargetLoweringObjectFile.h" 15 16 namespace llvm { 17 18 /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin 19 /// x86-64. 20 class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO { 21 public: 22 const MCExpr * 23 getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding, 24 Mangler &Mang, const TargetMachine &TM, 25 MachineModuleInfo *MMI, 26 MCStreamer &Streamer) const override; 27 28 // getCFIPersonalitySymbol - The symbol that gets passed to 29 // .cfi_personality. 30 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang, 31 const TargetMachine &TM, 32 MachineModuleInfo *MMI) const override; 33 34 const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym, 35 const MCValue &MV, int64_t Offset, 36 MachineModuleInfo *MMI, 37 MCStreamer &Streamer) const override; 38 }; 39 40 /// \brief This implemenatation is used for X86 ELF targets that don't 41 /// have a further specialization. 42 class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF { 43 public: X86ELFTargetObjectFile()44 X86ELFTargetObjectFile() { 45 PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT; 46 } 47 48 /// \brief Describe a TLS variable address within debug info. 49 const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override; 50 }; 51 52 /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and 53 /// Native Client on x86 and x86-64. 54 class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile { 55 void Initialize(MCContext &Ctx, const TargetMachine &TM) override; 56 }; 57 58 /// \brief This implementation is used for Windows targets on x86 and x86-64. 59 class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF { 60 const MCExpr * 61 lowerRelativeReference(const GlobalValue *LHS, const GlobalValue *RHS, 62 Mangler &Mang, 63 const TargetMachine &TM) const override; 64 65 /// \brief Given a mergeable constant with the specified size and relocation 66 /// information, return a section that it should be placed in. 67 MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind, 68 const Constant *C, 69 unsigned &Align) const override; 70 }; 71 72 } // end namespace llvm 73 74 #endif 75