xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/X86/X86TargetObjectFile.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
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 #include "llvm/Target/TargetLoweringObjectFile.h"
14 
15 namespace llvm {
16 
17   /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
18   /// x86-64.
19   class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
20   public:
21     const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
22                                           unsigned Encoding,
23                                           const TargetMachine &TM,
24                                           MachineModuleInfo *MMI,
25                                           MCStreamer &Streamer) const override;
26 
27     // getCFIPersonalitySymbol - The symbol that gets passed to
28     // .cfi_personality.
29     MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
30                                       const TargetMachine &TM,
31                                       MachineModuleInfo *MMI) const override;
32 
33     const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
34                                             const MCValue &MV, int64_t Offset,
35                                             MachineModuleInfo *MMI,
36                                             MCStreamer &Streamer) const override;
37   };
38 
39   /// This implemenatation is used for X86 ELF targets that don't
40   /// have a further specialization.
41   class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
42   public:
43     X86ELFTargetObjectFile() {
44       PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
45     }
46 
47     /// Describe a TLS variable address within debug info.
48     const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
49   };
50 
51   /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
52   /// on x86 and x86-64.
53   class X86FreeBSDTargetObjectFile : public X86ELFTargetObjectFile {
54     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
55   };
56 
57   /// This implementation is used for Fuchsia on x86-64.
58   class X86FuchsiaTargetObjectFile : public X86ELFTargetObjectFile {
59     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
60   };
61 
62   /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
63   /// Native Client on x86 and x86-64.
64   class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
65     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
66   };
67 
68   /// This implementation is used for Solaris on x86/x86-64.
69   class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
70     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
71   };
72 
73 } // end namespace llvm
74 
75 #endif
76