Coverage Report

Created: 2019-02-20 00:17

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/MC/MCWasmStreamer.h
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//===- MCWasmStreamer.h - MCStreamer Wasm Object File Interface -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCWASMSTREAMER_H
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#define LLVM_MC_MCWASMSTREAMER_H
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#include "MCAsmBackend.h"
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#include "MCCodeEmitter.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/MC/MCDirectives.h"
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#include "llvm/MC/MCObjectStreamer.h"
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#include "llvm/MC/MCObjectWriter.h"
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#include "llvm/MC/SectionKind.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class MCAssembler;
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class MCExpr;
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class MCInst;
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class raw_ostream;
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class MCWasmStreamer : public MCObjectStreamer {
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public:
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  MCWasmStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
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                 std::unique_ptr<MCObjectWriter> OW,
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                 std::unique_ptr<MCCodeEmitter> Emitter)
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      : MCObjectStreamer(Context, std::move(TAB), std::move(OW),
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                         std::move(Emitter)),
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        SeenIdent(false) {}
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  ~MCWasmStreamer() override;
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  /// state management
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  void reset() override {
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    SeenIdent = false;
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    MCObjectStreamer::reset();
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  }
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  /// \name MCStreamer Interface
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  /// @{
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  void ChangeSection(MCSection *Section, const MCExpr *Subsection) override;
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  void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
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  void EmitThumbFunc(MCSymbol *Func) override;
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  void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
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  bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
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  void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
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  void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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                        unsigned ByteAlignment) override;
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  void emitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
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  void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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                             unsigned ByteAlignment) override;
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  void EmitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
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                    uint64_t Size = 0, unsigned ByteAlignment = 0,
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                    SMLoc Loc = SMLoc()) override;
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  void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
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                      unsigned ByteAlignment = 0) override;
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  void EmitValueImpl(const MCExpr *Value, unsigned Size,
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                     SMLoc Loc = SMLoc()) override;
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  void EmitIdent(StringRef IdentString) override;
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  void EmitValueToAlignment(unsigned, int64_t, unsigned, unsigned) override;
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  void FinishImpl() override;
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private:
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  void EmitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
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  void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
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  /// Merge the content of the fragment \p EF into the fragment \p DF.
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  void mergeFragment(MCDataFragment *, MCDataFragment *);
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  bool SeenIdent;
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};
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} // end namespace llvm
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#endif