1// Copyright 2006-2008 the V8 project authors. All rights reserved.
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27
28#ifndef V8_DISASSEMBLER_H_
29#define V8_DISASSEMBLER_H_
30
31#include "allocation.h"
32
33namespace v8 {
34namespace internal {
35
36class Disassembler : public AllStatic {
37 public:
38  // Print the bytes in the interval [begin, end) into f.
39  static void Dump(FILE* f, byte* begin, byte* end);
40
41  // Decode instructions in the the interval [begin, end) and print the
42  // code into f. Returns the number of bytes disassembled or 1 if no
43  // instruction could be decoded.
44  static int Decode(FILE* f, byte* begin, byte* end);
45
46  // Decode instructions in code.
47  static void Decode(FILE* f, Code* code);
48 private:
49  // Decode instruction at pc and print disassembled instruction into f.
50  // Returns the instruction length in bytes, or 1 if the instruction could
51  // not be decoded.  The number of characters written is written into
52  // the out parameter char_count.
53  static int Decode(FILE* f, byte* pc, int* char_count);
54};
55
56} }  // namespace v8::internal
57
58#endif  // V8_DISASSEMBLER_H_
59