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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- llvm/MC/MCCodeEmitter.h - Instruction Encoding -----------*- 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_MCCODEEMITTER_H
#define LLVM_MC_MCCODEEMITTER_H
namespace llvm {
class MCFixup;
class MCInst;
class MCSubtargetInfo;
class raw_ostream;
template<typename T> class SmallVectorImpl;
/// MCCodeEmitter - Generic instruction encoding interface.
class MCCodeEmitter {
protected: // Can only create subclasses.
MCCodeEmitter();
public:
MCCodeEmitter(const MCCodeEmitter &) = delete;
MCCodeEmitter &operator=(const MCCodeEmitter &) = delete;
virtual ~MCCodeEmitter();
/// Lifetime management
virtual void reset() {}
/// Emit the prefixes of given instruction on the output stream.
///
/// \param Inst a single low-level machine instruction.
/// \param OS output stream.
virtual void emitPrefix(const MCInst &Inst, raw_ostream &OS,
const MCSubtargetInfo &STI) const {}
/// EncodeInstruction - Encode the given \p Inst to bytes on the output
/// stream \p OS.
virtual void encodeInstruction(const MCInst &Inst, raw_ostream &OS,
SmallVectorImpl<MCFixup> &Fixups,
const MCSubtargetInfo &STI) const = 0;
};
} // end namespace llvm
#endif // LLVM_MC_MCCODEEMITTER_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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