Line data    Source code

       1             : //===- MCWinCOFFStreamer.h - COFF Object File Interface ---------*- 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_MC_MCWINCOFFSTREAMER_H
      11             : #define LLVM_MC_MCWINCOFFSTREAMER_H
      12             : 
      13             : #include "llvm/MC/MCDirectives.h"
      14             : #include "llvm/MC/MCObjectStreamer.h"
      15             : 
      16             : namespace llvm {
      17             : 
      18             : class MCAsmBackend;
      19             : class MCContext;
      20             : class MCCodeEmitter;
      21             : class MCInst;
      22             : class MCSection;
      23             : class MCSubtargetInfo;
      24             : class MCSymbol;
      25             : class StringRef;
      26             : class raw_pwrite_stream;
      27             : 
      28             : class MCWinCOFFStreamer : public MCObjectStreamer {
      29             : public:
      30             :   MCWinCOFFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB,
      31             :                     std::unique_ptr<MCCodeEmitter> CE,
      32             :                     std::unique_ptr<MCObjectWriter> OW);
      33             : 
      34             :   /// state management
      35         198 :   void reset() override {
      36         198 :     CurSymbol = nullptr;
      37         198 :     MCObjectStreamer::reset();
      38         198 :   }
      39             : 
      40             :   /// \name MCStreamer interface
      41             :   /// \{
      42             : 
      43             :   void InitSections(bool NoExecStack) override;
      44             :   void EmitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;
      45             :   void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
      46             :   void EmitThumbFunc(MCSymbol *Func) override;
      47             :   bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
      48             :   void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
      49             :   void BeginCOFFSymbolDef(MCSymbol const *Symbol) override;
      50             :   void EmitCOFFSymbolStorageClass(int StorageClass) override;
      51             :   void EmitCOFFSymbolType(int Type) override;
      52             :   void EndCOFFSymbolDef() override;
      53             :   void EmitCOFFSafeSEH(MCSymbol const *Symbol) override;
      54             :   void EmitCOFFSymbolIndex(MCSymbol const *Symbol) override;
      55             :   void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
      56             :   void EmitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override;
      57             :   void EmitCOFFImgRel32(MCSymbol const *Symbol, int64_t Offset) override;
      58             :   void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
      59             :                         unsigned ByteAlignment) override;
      60             :   void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
      61             :                              unsigned ByteAlignment) override;
      62             :   void EmitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
      63             :                     unsigned ByteAlignment, SMLoc Loc = SMLoc()) override;
      64             :   void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
      65             :                       unsigned ByteAlignment) override;
      66             :   void EmitIdent(StringRef IdentString) override;
      67             :   void EmitWinEHHandlerData(SMLoc Loc) override;
      68             :   void FinishImpl() override;
      69             : 
      70             :   /// \}
      71             : 
      72             : protected:
      73             :   const MCSymbol *CurSymbol;
      74             : 
      75             :   void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &STI) override;
      76             : 
      77             : private:
      78             :   void Error(const Twine &Msg) const;
      79             : };
      80             : 
      81             : } // end namespace llvm
      82             : 
      83             : #endif // LLVM_MC_MCWINCOFFSTREAMER_H