X86TargetObjectFile.h revision 37ed9c199ca639565f6ce88105f9e39e898d82d0 
1//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
11#define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
12
13#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
14#include "llvm/Target/TargetLoweringObjectFile.h"
15
16namespace llvm {
17
18  /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
19  /// x86-64.
20  class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
21  public:
22    const MCExpr *
23    getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding,
24                            Mangler &Mang, const TargetMachine &TM,
25                            MachineModuleInfo *MMI,
26                            MCStreamer &Streamer) const override;
27
28    // getCFIPersonalitySymbol - The symbol that gets passed to
29    // .cfi_personality.
30    MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
31                                      const TargetMachine &TM,
32                                      MachineModuleInfo *MMI) const override;
33  };
34
35  /// X86LinuxTargetObjectFile - This implementation is used for linux x86
36  /// and x86-64.
37  class X86LinuxTargetObjectFile : public TargetLoweringObjectFileELF {
38    void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
39
40    /// \brief Describe a TLS variable address within debug info.
41    const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
42  };
43
44  /// \brief This implementation is used for Windows targets on x86 and x86-64.
45  class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
46    const MCExpr *
47    getExecutableRelativeSymbol(const ConstantExpr *CE, Mangler &Mang,
48                                const TargetMachine &TM) const override;
49
50    /// \brief Given a mergeable constant with the specified size and relocation
51    /// information, return a section that it should be placed in.
52    const MCSection *getSectionForConstant(SectionKind Kind,
53                                           const Constant *C) const override;
54  };
55
56} // end namespace llvm
57
58#endif
59