aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/include/llvm/MC/MCWinCOFFStreamer.h
blob: 8fb135c08ead34059101093e516030cd9b2076cd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
#pragma once

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

//===- MCWinCOFFStreamer.h - COFF Object File Interface ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_MC_MCWINCOFFSTREAMER_H
#define LLVM_MC_MCWINCOFFSTREAMER_H

#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCObjectStreamer.h"

namespace llvm {

class MCAsmBackend;
class MCContext;
class MCCodeEmitter;
class MCInst;
class MCSection;
class MCSubtargetInfo;
class MCSymbol;
class StringRef;
class raw_pwrite_stream;

class MCWinCOFFStreamer : public MCObjectStreamer {
public:
  MCWinCOFFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB,
                    std::unique_ptr<MCCodeEmitter> CE,
                    std::unique_ptr<MCObjectWriter> OW);

  /// state management
  void reset() override {
    CurSymbol = nullptr;
    MCObjectStreamer::reset();
  }

  /// \name MCStreamer interface
  /// \{

  void InitSections(bool NoExecStack) override;
  void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;
  void emitAssemblerFlag(MCAssemblerFlag Flag) override;
  void emitThumbFunc(MCSymbol *Func) override;
  bool emitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
  void emitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
  void BeginCOFFSymbolDef(MCSymbol const *Symbol) override;
  void EmitCOFFSymbolStorageClass(int StorageClass) override;
  void EmitCOFFSymbolType(int Type) override;
  void EndCOFFSymbolDef() override;
  void EmitCOFFSafeSEH(MCSymbol const *Symbol) override;
  void EmitCOFFSymbolIndex(MCSymbol const *Symbol) override;
  void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
  void EmitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override;
  void EmitCOFFImgRel32(MCSymbol const *Symbol, int64_t Offset) override;
  void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                        unsigned ByteAlignment) override;
  void emitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                             unsigned ByteAlignment) override;
  void emitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
  void emitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
                    unsigned ByteAlignment, SMLoc Loc = SMLoc()) override;
  void emitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
                      unsigned ByteAlignment) override;
  void emitIdent(StringRef IdentString) override;
  void EmitWinEHHandlerData(SMLoc Loc) override;
  void emitCGProfileEntry(const MCSymbolRefExpr *From,
                          const MCSymbolRefExpr *To, uint64_t Count) override;
  void finishImpl() override;

  /// \}

protected:
  const MCSymbol *CurSymbol;

  void emitInstToData(const MCInst &Inst, const MCSubtargetInfo &STI) override;

  void finalizeCGProfileEntry(const MCSymbolRefExpr *&S);
  void finalizeCGProfile();

private:
  void Error(const Twine &Msg) const;
};

} // end namespace llvm

#endif // LLVM_MC_MCWINCOFFSTREAMER_H

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif