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//===-- llvm/MC/MCWasmObjectWriter.h - Wasm Object Writer -------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_MC_MCWASMOBJECTWRITER_H
#define LLVM_MC_MCWASMOBJECTWRITER_H

#include "llvm/ADT/Triple.h"
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/Support/DataTypes.h"

namespace llvm {

class MCFixup;
class MCObjectWriter;
class MCValue;
class raw_pwrite_stream;

class MCWasmObjectTargetWriter {
  const unsigned Is64Bit : 1;

protected:
  explicit MCWasmObjectTargetWriter(bool Is64Bit_);

public:
  virtual ~MCWasmObjectTargetWriter();

  virtual unsigned getRelocType(const MCValue &Target,
                                const MCFixup &Fixup) const = 0;

  /// \name Accessors
  /// @{
  bool is64Bit() const { return Is64Bit; }
  /// @}
};

/// \brief Construct a new Wasm writer instance.
///
/// \param MOTW - The target specific Wasm writer subclass.
/// \param OS - The stream to write to.
/// \returns The constructed object writer.
std::unique_ptr<MCObjectWriter>
createWasmObjectWriter(std::unique_ptr<MCWasmObjectTargetWriter> MOTW,
                       raw_pwrite_stream &OS);

} // End llvm namespace

#endif