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1 //===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #ifndef LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
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11 #define LLVM_LIB_TARGET_X86_X86TARGETOBJECTFILE_H
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12
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13 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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14 #include "llvm/Target/TargetLoweringObjectFile.h"
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15
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16 namespace llvm {
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17
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18 /// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
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19 /// x86-64.
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20 class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
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21 public:
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120
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22 const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
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23 unsigned Encoding,
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24 const TargetMachine &TM,
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25 MachineModuleInfo *MMI,
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26 MCStreamer &Streamer) const override;
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27
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28 // getCFIPersonalitySymbol - The symbol that gets passed to
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29 // .cfi_personality.
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30 MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV,
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31 const TargetMachine &TM,
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32 MachineModuleInfo *MMI) const override;
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33
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34 const MCExpr *getIndirectSymViaGOTPCRel(const MCSymbol *Sym,
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35 const MCValue &MV, int64_t Offset,
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36 MachineModuleInfo *MMI,
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37 MCStreamer &Streamer) const override;
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38 };
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39
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40 /// \brief This implemenatation is used for X86 ELF targets that don't
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41 /// have a further specialization.
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42 class X86ELFTargetObjectFile : public TargetLoweringObjectFileELF {
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43 public:
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44 X86ELFTargetObjectFile() {
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45 PLTRelativeVariantKind = MCSymbolRefExpr::VK_PLT;
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46 }
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47
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48 /// \brief Describe a TLS variable address within debug info.
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49 const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
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50 };
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51
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52 /// X86FreeBSDTargetObjectFile - This implementation is used for FreeBSD
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53 /// on x86 and x86-64.
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54 class X86FreeBSDTargetObjectFile : public X86ELFTargetObjectFile {
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55 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
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56 };
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57
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58 /// \brief This implementation is used for Fuchsia on x86-64.
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59 class X86FuchsiaTargetObjectFile : public X86ELFTargetObjectFile {
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60 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
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61 };
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62
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63 /// X86LinuxNaClTargetObjectFile - This implementation is used for linux and
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64 /// Native Client on x86 and x86-64.
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65 class X86LinuxNaClTargetObjectFile : public X86ELFTargetObjectFile {
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66 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
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67 };
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68
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69 /// \brief This implementation is used for Solaris on x86/x86-64.
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70 class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
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71 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
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72 };
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73
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74 /// \brief This implementation is used for Windows targets on x86 and x86-64.
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75 class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
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76 const MCExpr *
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77 lowerRelativeReference(const GlobalValue *LHS, const GlobalValue *RHS,
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78 const TargetMachine &TM) const override;
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77
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79
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80 /// \brief Given a mergeable constant with the specified size and relocation
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81 /// information, return a section that it should be placed in.
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82 MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
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83 const Constant *C,
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84 unsigned &Align) const override;
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85 };
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86
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87 } // end namespace llvm
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88
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89 #endif
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