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 17 namespace llvm { 18 class MCExpr; 19 class MCInst; 20 class raw_ostream; 21 template<typename T> class SmallVectorImpl; 22 23 /// MCCodeEmitter - Generic instruction encoding interface. 24 class MCCodeEmitter { 25 private: 26 MCCodeEmitter(const MCCodeEmitter &); // DO NOT IMPLEMENT 27 void operator=(const MCCodeEmitter &); // DO NOT IMPLEMENT 28 protected: // Can only create subclasses. 29 MCCodeEmitter(); 30 31 public: 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