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
14namespace llvm {
15
16 /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
17 /// x86-64.
18 class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
19 public:
20 const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
21 unsigned Encoding,
22 const TargetMachine &TM,
23 MachineModuleInfo *MMI,
24 MCStreamer &Streamer) const override;
25
26 // getCFIPersonalitySymbol - The symbol that gets passed to
27 // .cfi_personality.
28 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
29 const TargetMachine &TM,
30 MachineModuleInfo *MMI) const override;
31
32 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
33 const MCSymbol *Sym,
34 const MCValue &MV, int64_t Offset,
35 MachineModuleInfo *MMI,
36 MCStreamer &Streamer) const override;
37 };
38
39 /// This implementation is used for X86 ELF targets that don't have a further
40 /// specialization (and as a base class for X86_64, which does).
41 class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
42 public:
43 X86ELFTargetObjectFile();
44 /// Describe a TLS variable address within debug info.
45 const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
46 };
47
48 /// This implementation is used for X86_64 ELF targets, and defers to
49 /// X86ELFTargetObjectFile for commonalities with 32-bit targets.
50 class X86_64ELFTargetObjectFile : public X86ELFTargetObjectFile {
51 public:
52 X86_64ELFTargetObjectFile() { SupportIndirectSymViaGOTPCRel = true; }
53
54 const MCExpr *
55 getIndirectSymViaGOTPCRel(const GlobalValue *GV, const MCSymbol *Sym,
56 const MCValue &MV, int64_t Offset,
57 MachineModuleInfo *MMI,
58 MCStreamer &Streamer) const override;
59 };
60
61} // end namespace llvm
62
63#endif
64