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
16namespace llvm {
17
18/// This implementation is used for AArch64 ELF targets (Linux in particular).
19class AArch64_ELFTargetObjectFile : public TargetLoweringObjectFileELF {
20 void initialize(MCContext &Ctx, const TargetMachine &TM,
21 const Module &M) override;
22
23public:
24 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
25 const MCSymbol *Sym,
26 const MCValue &MV, int64_t Offset,
27 MachineModuleInfo *MMI,
28 MCStreamer &Streamer) const override;
29
30 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM,
31 MachineModuleInfo *MMI, const MCSymbol *RawSym,
32 AArch64PACKey::ID Key,
33 uint16_t Discriminator) const;
34
35 void emitPersonalityValueImpl(MCStreamer &Streamer, const DataLayout &DL,
36 const MCSymbol *Sym,
37 const MachineModuleInfo *MMI) const override;
38
39 MCSection *getExplicitSectionGlobal(const GlobalObject *GO, SectionKind Kind,
40 const TargetMachine &TM) const override;
41
42 MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
43 const TargetMachine &TM) const override;
44
45 /// Describe a TLS variable address within debug info.
46 const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
47};
48
49/// AArch64_MachoTargetObjectFile - This TLOF implementation is used for Darwin.
50class AArch64_MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
51public:
52 AArch64_MachoTargetObjectFile();
53
54 const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
55 unsigned Encoding,
56 const TargetMachine &TM,
57 MachineModuleInfo *MMI,
58 MCStreamer &Streamer) const override;
59
60 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
61 const TargetMachine &TM,
62 MachineModuleInfo *MMI) const override;
63
64 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
65 const MCSymbol *Sym,
66 const MCValue &MV, int64_t Offset,
67 MachineModuleInfo *MMI,
68 MCStreamer &Streamer) const override;
69
70 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
71 const TargetMachine &TM) const override;
72
73 MCSymbol *getAuthPtrSlotSymbol(const TargetMachine &TM,
74 MachineModuleInfo *MMI, const MCSymbol *RawSym,
75 AArch64PACKey::ID Key,
76 uint16_t Discriminator) const;
77};
78
79/// This implementation is used for AArch64 COFF targets.
80class AArch64_COFFTargetObjectFile : public TargetLoweringObjectFileCOFF {};
81
82} // end namespace llvm
83
84#endif
85