1// Copyright 2006-2008 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_DISASSEMBLER_H_
6#define V8_DISASSEMBLER_H_
7
8#include "src/allocation.h"
9
10namespace v8 {
11namespace internal {
12
13class Disassembler : public AllStatic {
14 public:
15  // Print the bytes in the interval [begin, end) into f.
16  static void Dump(FILE* f, byte* begin, byte* end);
17
18  // Decode instructions in the the interval [begin, end) and print the
19  // code into f. Returns the number of bytes disassembled or 1 if no
20  // instruction could be decoded.
21  static int Decode(Isolate* isolate, FILE* f, byte* begin, byte* end);
22
23  // Decode instructions in code.
24  static void Decode(FILE* f, Code* code);
25 private:
26  // Decode instruction at pc and print disassembled instruction into f.
27  // Returns the instruction length in bytes, or 1 if the instruction could
28  // not be decoded.  The number of characters written is written into
29  // the out parameter char_count.
30  static int Decode(FILE* f, byte* pc, int* char_count);
31};
32
33} }  // namespace v8::internal
34
35#endif  // V8_DISASSEMBLER_H_
36