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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_DISASSEMBLER_H_ | 5 #ifndef V8_DISASSEMBLER_H_ |
6 #define V8_DISASSEMBLER_H_ | 6 #define V8_DISASSEMBLER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 class Disassembler : public AllStatic { | 13 class Disassembler : public AllStatic { |
14 public: | 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 | 15 // 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 | 16 // code into os. Returns the number of bytes disassembled or 1 if no |
20 // instruction could be decoded. | 17 // instruction could be decoded. |
21 static int Decode(Isolate* isolate, FILE* f, byte* begin, byte* end); | 18 // the code object is used for name resolution and may be null. |
22 | 19 static int Decode(Isolate* isolate, OStream* os, byte* begin, byte* end, |
23 // Decode instructions in code. | 20 Code* code = NULL); |
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 }; | 21 }; |
32 | 22 |
33 } } // namespace v8::internal | 23 } } // namespace v8::internal |
34 | 24 |
35 #endif // V8_DISASSEMBLER_H_ | 25 #endif // V8_DISASSEMBLER_H_ |
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