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