1//===- MCSPIRVStreamer.h - MCStreamer SPIR-V 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// Overrides MCObjectStreamer to disable all unnecessary features with stubs.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_MC_MCSPIRVSTREAMER_H
14#define LLVM_MC_MCSPIRVSTREAMER_H
15
16#include "llvm/MC/MCAsmBackend.h"
17#include "llvm/MC/MCCodeEmitter.h"
18#include "llvm/MC/MCObjectStreamer.h"
19#include "llvm/MC/MCObjectWriter.h"
20
21namespace llvm {
22class MCInst;
23class raw_ostream;
24
25class MCSPIRVStreamer : public MCObjectStreamer {
26public:
27  MCSPIRVStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
28                  std::unique_ptr<MCObjectWriter> OW,
29                  std::unique_ptr<MCCodeEmitter> Emitter)
30      : MCObjectStreamer(Context, std::move(TAB), std::move(OW),
31                         std::move(Emitter)) {}
32
33  bool emitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override {
34    return false;
35  }
36  void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
37                        Align ByteAlignment) override {}
38  void emitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
39                    uint64_t Size = 0, Align ByteAlignment = Align(1),
40                    SMLoc Loc = SMLoc()) override {}
41
42private:
43  void emitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
44};
45
46} // end namespace llvm
47
48#endif
49