1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
#define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
namespace llvm {
/// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
/// x86-64.
class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
public:
const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
unsigned Encoding,
const TargetMachine &TM,
MachineModuleInfo *MMI,
MCStreamer &Streamer) const override;
// getCFIPersonalitySymbol - The symbol that gets passed to
// .cfi_personality.
MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
const TargetMachine &TM,
MachineModuleInfo *MMI) const override;
const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
const MCSymbol *Sym,
const MCValue &MV, int64_t Offset,
MachineModuleInfo *MMI,
MCStreamer &Streamer) const override;
};
/// This implementation is used for X86 ELF targets that don't have a further
/// specialization (and as a base class for X86_64, which does).
class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
public:
X86ELFTargetObjectFile() {
PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
}
/// Describe a TLS variable address within debug info.
const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
};
/// This implementation is used for X86_64 ELF targets, and defers to
/// X86ELFTargetObjectFile for commonalities with 32-bit targets.
class X86_64ELFTargetObjectFile : public X86ELFTargetObjectFile {
public:
X86_64ELFTargetObjectFile() { SupportIndirectSymViaGOTPCRel = true; }
const MCExpr *
getIndirectSymViaGOTPCRel(const GlobalValue *GV, const MCSymbol *Sym,
const MCValue &MV, int64_t Offset,
MachineModuleInfo *MMI,
MCStreamer &Streamer) const override;
};
} // end namespace llvm
#endif
|
