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 
16 namespace 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