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 AArch64_ELFTargetObjectFile() { 24 PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT; 25 SupportIndirectSymViaGOTPCRel = true; 26 } 27 28 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV, 29 const MCSymbol *Sym, 30 const MCValue &MV, int64_t Offset, 31 MachineModuleInfo *MMI, 32 MCStreamer &Streamer) const override; 33 34 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM, 35 MachineModuleInfo *MMI, const MCSymbol *RawSym, 36 AArch64PACKey::ID Key, 37 uint16_t Discriminator) const; 38 39 void emitPersonalityValueImpl(MCStreamer &Streamer, const DataLayout &DL, 40 const MCSymbol *Sym, 41 const MachineModuleInfo *MMI) const override; 42 }; 43 44 /// AArch64_MachoTargetObjectFile - This TLOF implementation is used for Darwin. 45 class AArch64_MachoTargetObjectFile : public TargetLoweringObjectFileMachO { 46 public: 47 AArch64_MachoTargetObjectFile(); 48 49 const MCExpr *getTTypeGlobalReference(const GlobalValue *GV, 50 unsigned Encoding, 51 const TargetMachine &TM, 52 MachineModuleInfo *MMI, 53 MCStreamer &Streamer) const override; 54 55 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, 56 const TargetMachine &TM, 57 MachineModuleInfo *MMI) const override; 58 59 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV, 60 const MCSymbol *Sym, 61 const MCValue &MV, int64_t Offset, 62 MachineModuleInfo *MMI, 63 MCStreamer &Streamer) const override; 64 65 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV, 66 const TargetMachine &TM) const override; 67 68 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM, 69 MachineModuleInfo *MMI, const MCSymbol *RawSym, 70 AArch64PACKey::ID Key, 71 uint16_t Discriminator) const; 72 }; 73 74 /// This implementation is used for AArch64 COFF targets. 75 class AArch64_COFFTargetObjectFile : public TargetLoweringObjectFileCOFF {}; 76 77 } // end namespace llvm 78 79 #endif 80