LLVM  3.7.0
MCCodeEmitter.h
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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/Support/Compiler.h"
14 
15 namespace llvm {
16 class MCFixup;
17 class MCInst;
18 class MCSubtargetInfo;
19 class raw_ostream;
20 template<typename T> class SmallVectorImpl;
21 
22 /// MCCodeEmitter - Generic instruction encoding interface.
24 private:
25  MCCodeEmitter(const MCCodeEmitter &) = delete;
26  void operator=(const MCCodeEmitter &) = delete;
27 
28 protected: // Can only create subclasses.
29  MCCodeEmitter();
30 
31 public:
32  virtual ~MCCodeEmitter();
33 
34  /// Lifetime management
35  virtual void reset() {}
36 
37  /// EncodeInstruction - Encode the given \p Inst to bytes on the output
38  /// stream \p OS.
39  virtual void encodeInstruction(const MCInst &Inst, raw_ostream &OS,
41  const MCSubtargetInfo &STI) const = 0;
42 };
43 
44 } // End llvm namespace
45 
46 #endif
virtual void encodeInstruction(const MCInst &Inst, raw_ostream &OS, SmallVectorImpl< MCFixup > &Fixups, const MCSubtargetInfo &STI) const =0
EncodeInstruction - Encode the given Inst to bytes on the output stream OS.
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
Definition: APInt.h:33
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:150
virtual void reset()
Lifetime management.
Definition: MCCodeEmitter.h:35
MCCodeEmitter - Generic instruction encoding interface.
Definition: MCCodeEmitter.h:23
MCSubtargetInfo - Generic base class for all target subtargets.
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:38