1 | //===- MCWinCOFFStreamer.h - COFF Object File Interface ---------*- 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_MC_MCWINCOFFSTREAMER_H |
10 | #define LLVM_MC_MCWINCOFFSTREAMER_H |
11 | |
12 | #include "llvm/MC/MCDirectives.h" |
13 | #include "llvm/MC/MCObjectStreamer.h" |
14 | |
15 | namespace llvm { |
16 | |
17 | class MCAsmBackend; |
18 | class MCContext; |
19 | class MCCodeEmitter; |
20 | class MCInst; |
21 | class MCSection; |
22 | class MCSubtargetInfo; |
23 | class MCSymbol; |
24 | class StringRef; |
25 | class raw_pwrite_stream; |
26 | |
27 | class MCWinCOFFStreamer : public MCObjectStreamer { |
28 | public: |
29 | MCWinCOFFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB, |
30 | std::unique_ptr<MCCodeEmitter> CE, |
31 | std::unique_ptr<MCObjectWriter> OW); |
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, const MCSubtargetInfo &STI) 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 emitCOFFSymbolIndex(MCSymbol const *Symbol) override; |
54 | void emitCOFFSectionIndex(MCSymbol const *Symbol) override; |
55 | void emitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override; |
56 | void emitCOFFImgRel32(MCSymbol const *Symbol, int64_t Offset) override; |
57 | void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size, |
58 | Align ByteAlignment) override; |
59 | void emitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size, |
60 | Align ByteAlignment) override; |
61 | void emitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override; |
62 | void emitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size, |
63 | Align ByteAlignment, SMLoc Loc = SMLoc()) override; |
64 | void emitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size, |
65 | Align ByteAlignment) override; |
66 | void emitIdent(StringRef IdentString) override; |
67 | void emitWinEHHandlerData(SMLoc Loc) override; |
68 | void emitCGProfileEntry(const MCSymbolRefExpr *From, |
69 | const MCSymbolRefExpr *To, uint64_t Count) override; |
70 | void finishImpl() override; |
71 | |
72 | /// \} |
73 | |
74 | protected: |
75 | const MCSymbol *CurSymbol; |
76 | |
77 | void emitInstToData(const MCInst &Inst, const MCSubtargetInfo &STI) override; |
78 | |
79 | void finalizeCGProfileEntry(const MCSymbolRefExpr *&S); |
80 | void finalizeCGProfile(); |
81 | |
82 | private: |
83 | void Error(const Twine &Msg) const; |
84 | }; |
85 | |
86 | } // end namespace llvm |
87 | |
88 | #endif // LLVM_MC_MCWINCOFFSTREAMER_H |
89 | |