Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- MCDXContainerStreamer.h - MCDXContainerStreamer 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

//

//===----------------------------------------------------------------------===//

//

// Overrides MCObjectStreamer to disable all unnecessary features with stubs.

// The DXContainer format isn't a fully featured object format. It doesn't

// support symbols, and initially it will not support instruction data since it

// is used as a bitcode container for DXIL.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_MC_MCDXCONTAINERSTREAMER_H

#define LLVM_MC_MCDXCONTAINERSTREAMER_H

#include "llvm/MC/MCAsmBackend.h"

#include "llvm/MC/MCCodeEmitter.h"

#include "llvm/MC/MCObjectStreamer.h"

#include "llvm/MC/MCObjectWriter.h"

namespace llvm {

class MCInst;

class raw_ostream;

class MCDXContainerStreamer : public MCObjectStreamer {

public:

  MCDXContainerStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,

                        std::unique_ptr<MCObjectWriter> OW,

                        std::unique_ptr<MCCodeEmitter> Emitter)

      : MCObjectStreamer(Context, std::move(TAB), std::move(OW),

                         std::move(Emitter)) {}

  bool emitSymbolAttribute(MCSymbol *, MCSymbolAttr) override { return false; }

  void emitCommonSymbol(MCSymbol *, uint64_t, Align) override {}

  void emitZerofill(MCSection *, MCSymbol *Symbol = nullptr, uint64_t Size = 0,

                    Align ByteAlignment = Align(1),

                    SMLoc Loc = SMLoc()) override {}

private:

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

};

} // end namespace llvm

#endif // LLVM_MC_MCDXCONTAINERSTREAMER_H