1//===-- llvm/MC/MCCodeEmitter.h - Instruction Encoding ----------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef LLVM_MC_MCCODEEMITTER_H 11#define LLVM_MC_MCCODEEMITTER_H 12 13#include "llvm/MC/MCFixup.h" 14 15#include <cassert> 16 17namespace llvm { 18class MCExpr; 19class MCInst; 20class raw_ostream; 21template<typename T> class SmallVectorImpl; 22 23/// MCCodeEmitter - Generic instruction encoding interface. 24class MCCodeEmitter { 25private: 26 MCCodeEmitter(const MCCodeEmitter &); // DO NOT IMPLEMENT 27 void operator=(const MCCodeEmitter &); // DO NOT IMPLEMENT 28protected: // Can only create subclasses. 29 MCCodeEmitter(); 30 31public: 32 virtual ~MCCodeEmitter(); 33 34 /// EncodeInstruction - Encode the given \arg Inst to bytes on the output 35 /// stream \arg OS. 36 virtual void EncodeInstruction(const MCInst &Inst, raw_ostream &OS, 37 SmallVectorImpl<MCFixup> &Fixups) const = 0; 38}; 39 40} // End llvm namespace 41 42#endif 43