LLVM  10.0.0svn
X86TargetObjectFile.h
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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 
14 
15 namespace llvm {
16 
17  /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
18  /// x86-64.
20  public:
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.
30  const TargetMachine &TM,
31  MachineModuleInfo *MMI) const override;
32 
34  const MCSymbol *Sym,
35  const MCValue &MV, int64_t Offset,
36  MachineModuleInfo *MMI,
37  MCStreamer &Streamer) const override;
38  };
39 
40  /// This implemenatation is used for X86 ELF targets that don't
41  /// have a further specialization.
43  public:
45  PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
46  }
47 
48  /// Describe a TLS variable address within debug info.
49  const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
50  };
51 
52  /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
53  /// on x86 and x86-64.
55  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
56  };
57 
58  /// This implementation is used for Fuchsia on x86-64.
60  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
61  };
62 
63  /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
64  /// Native Client on x86 and x86-64.
66  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
67  };
68 
69  /// This implementation is used for Solaris on x86/x86-64.
71  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
72  };
73 
74 } // end namespace llvm
75 
76 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
This represents an "assembler immediate".
Definition: MCValue.h:39
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
MCSymbol * getCFIPersonalitySymbol(const GlobalValue *GV, const TargetMachine &TM, MachineModuleInfo *MMI) const override
const MCExpr * getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM, MachineModuleInfo *MMI, MCStreamer &Streamer) const override
The mach-o version of this method defaults to returning a stub reference.
const MCExpr * getIndirectSymViaGOTPCRel(const GlobalValue *GV, const MCSymbol *Sym, const MCValue &MV, int64_t Offset, MachineModuleInfo *MMI, MCStreamer &Streamer) const override
Get MachO PC relative GOT entry relocation.
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
Context object for machine code objects.
Definition: MCContext.h:65
void Initialize(MCContext &Ctx, const TargetMachine &TM) override
This method must be called before any actual lowering is done.
This implementation is used for Fuchsia on x86-64.
Streaming machine code generation interface.
Definition: MCStreamer.h:196
This implementation is used for Solaris on x86/x86-64.
X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin x86-64. ...
X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD on x86 and x86-64.
This implemenatation is used for X86 ELF targets that don't have a further specialization.
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:65
virtual const MCExpr * getDebugThreadLocalSymbol(const MCSymbol *Sym) const
Create a symbol reference to describe the given TLS variable when emitting the address in debug info...
This class contains meta information specific to a module.
X86LinuxNaClTargetObjectFile - This implementation is used for linux and Native Client on x86 and x86...