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//===- 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 WinCOFFObjectWriter;
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();
}
WinCOFFObjectWriter &getWriter();
/// \name MCStreamer interface
/// \{
void initSections(bool NoExecStack, const MCSubtargetInfo &STI) override;
void changeSection(MCSection *Section, uint32_t Subsection = 0) 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,
Align ByteAlignment) override;
void emitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
Align ByteAlignment) override;
void emitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
void emitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
Align ByteAlignment, SMLoc Loc = SMLoc()) override;
void emitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
Align 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);
private:
void Error(const Twine &Msg) const;
};
} // end namespace llvm
#endif // LLVM_MC_MCWINCOFFSTREAMER_H
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