lib/Target/X86/X86TargetObjectFile.h

   1 //===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
  10 #define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
  11
  12 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
  13 #include "llvm/Target/TargetLoweringObjectFile.h"
  14
  15 namespace llvm {
  16
  17   /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
  18   /// x86-64.
  19   class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
  20   public:
  21     const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
  22                                           unsigned Encoding,
  23                                           const TargetMachine &TM,
  24                                           MachineModuleInfo *MMI,
  25                                           MCStreamer &Streamer) const override;
  26
  27     // getCFIPersonalitySymbol - The symbol that gets passed to
  28     // .cfi_personality.
  29     MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
  30                                       const TargetMachine &TM,
  31                                       MachineModuleInfo *MMI) const override;
  32
  33     const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
  34                                             const MCSymbol *Sym,
  35                                             const MCValue &MV, int64_t Offset,
  36                                             MachineModuleInfo *MMI,
  37                                             MCStreamer &Streamer) const override;
  38   };
  39
  40   /// This implemenatation is used for X86 ELF targets that don't
  41   /// have a further specialization.
  42   class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
  43   public:
  44     X86ELFTargetObjectFile() {
  45       PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
  46     }
  47
  48     /// Describe a TLS variable address within debug info.
  49     const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
  50   };
  51
  52   /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
  53   /// on x86 and x86-64.
  54   class X86FreeBSDTargetObjectFile : public X86ELFTargetObjectFile {
  55     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  56   };
  57
  58   /// This implementation is used for Fuchsia on x86-64.
  59   class X86FuchsiaTargetObjectFile : public X86ELFTargetObjectFile {
  60     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  61   };
  62
  63   /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
  64   /// Native Client on x86 and x86-64.
  65   class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
  66     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  67   };
  68
  69   /// This implementation is used for Solaris on x86/x86-64.
  70   class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
  71     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  72   };
  73
  74 } // end namespace llvm
  75
  76 #endif