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 "Utils/AArch64BaseInfo.h" 13 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h" 14 #include "llvm/Target/TargetLoweringObjectFile.h" 15 16 namespace llvm { 17 18 /// This implementation is used for AArch64 ELF targets (Linux in particular). 19 class AArch64_ELFTargetObjectFile : public TargetLoweringObjectFileELF { 20 void Initialize(MCContext &Ctx, const TargetMachine &TM) override; 21 22 public: 23 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV, 24 const MCSymbol *Sym, 25 const MCValue &MV, int64_t Offset, 26 MachineModuleInfo *MMI, 27 MCStreamer &Streamer) const override; 28 29 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM, 30 MachineModuleInfo *MMI, const MCSymbol *RawSym, 31 AArch64PACKey::ID Key, 32 uint16_t Discriminator) const; 33 34 void emitPersonalityValueImpl(MCStreamer &Streamer, const DataLayout &DL, 35 const MCSymbol *Sym, 36 const MachineModuleInfo *MMI) const override; 37 38 MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind, 39 const TargetMachine &TM) const override; 40 41 MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind, 42 const TargetMachine &TM) const override; 43 }; 44 45 /// AArch64_MachoTargetObjectFile - This TLOF implementation is used for Darwin. 46 class AArch64_MachoTargetObjectFile : public TargetLoweringObjectFileMachO { 47 public: 48 AArch64_MachoTargetObjectFile(); 49 50 const MCExpr *getTTypeGlobalReference(const GlobalValue *GV, 51 unsigned Encoding, 52 const TargetMachine &TM, 53 MachineModuleInfo *MMI, 54 MCStreamer &Streamer) const override; 55 56 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, 57 const TargetMachine &TM, 58 MachineModuleInfo *MMI) const override; 59 60 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV, 61 const MCSymbol *Sym, 62 const MCValue &MV, int64_t Offset, 63 MachineModuleInfo *MMI, 64 MCStreamer &Streamer) const override; 65 66 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV, 67 const TargetMachine &TM) const override; 68 69 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM, 70 MachineModuleInfo *MMI, const MCSymbol *RawSym, 71 AArch64PACKey::ID Key, 72 uint16_t Discriminator) const; 73 }; 74 75 /// This implementation is used for AArch64 COFF targets. 76 class AArch64_COFFTargetObjectFile : public TargetLoweringObjectFileCOFF {}; 77 78 } // end namespace llvm 79 80 #endif 81