llvm/lib/Target/AArch64/AArch64TargetObjectFile.h

   1 //===-- AArch64TargetObjectFile.h - AArch64 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_AARCH64_AARCH64TARGETOBJECTFILE_H
  10 #define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETOBJECTFILE_H
  11
  12 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
  13 #include "llvm/Target/TargetLoweringObjectFile.h"
  14
  15 namespace llvm {
  16
  17 /// This implementation is used for AArch64 ELF targets (Linux in particular).
  18 class AArch64_ELFTargetObjectFile : public TargetLoweringObjectFileELF {
  19   void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  20
  21 public:
  22   AArch64_ELFTargetObjectFile() {
  23     PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
  24     SupportIndirectSymViaGOTPCRel = true;
  25   }
  26
  27   const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
  28                                           const MCSymbol *Sym,
  29                                           const MCValue &MV, int64_t Offset,
  30                                           MachineModuleInfo *MMI,
  31                                           MCStreamer &Streamer) const override;
  32 };
  33
  34 /// AArch64_MachoTargetObjectFile - This TLOF implementation is used for Darwin.
  35 class AArch64_MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
  36 public:
  37   AArch64_MachoTargetObjectFile();
  38
  39   const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
  40                                         unsigned Encoding,
  41                                         const TargetMachine &TM,
  42                                         MachineModuleInfo *MMI,
  43                                         MCStreamer &Streamer) const override;
  44
  45   MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
  46                                     const TargetMachine &TM,
  47                                     MachineModuleInfo *MMI) const override;
  48
  49   const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
  50                                           const MCSymbol *Sym,
  51                                           const MCValue &MV, int64_t Offset,
  52                                           MachineModuleInfo *MMI,
  53                                           MCStreamer &Streamer) const override;
  54
  55   void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
  56                          const TargetMachine &TM) const override;
  57 };
  58
  59 /// This implementation is used for AArch64 COFF targets.
  60 class AArch64_COFFTargetObjectFile : public TargetLoweringObjectFileCOFF {};
  61
  62 } // end namespace llvm
  63
  64 #endif