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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 "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. | 15 // Print the bytes in the interval [begin, end) into f. |
| 16 static void Dump(FILE* f, byte* begin, byte* end); | 16 static void Dump(FILE* f, byte* begin, byte* end); |
| 17 | 17 |
| 18 // Decode instructions in the the interval [begin, end) and print the | 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 | 19 // code into f. Returns the number of bytes disassembled or 1 if no |
| 20 // instruction could be decoded. | 20 // instruction could be decoded. |
| 21 static int Decode(Isolate* isolate, FILE* f, byte* begin, byte* end); | 21 static int Decode(Isolate* isolate, FILE* f, byte* begin, byte* end); |
| 22 | 22 |
| 23 // Decode instructions in code. | 23 // Decode instructions in code. |
| 24 static void Decode(FILE* f, Code* code); | 24 static void Decode(FILE* f, Code* code); |
| 25 private: | 25 private: |
| 26 // Decode instruction at pc and print disassembled instruction into f. | 26 // Decode instruction at pc and print disassembled instruction into f. |
| 27 // Returns the instruction length in bytes, or 1 if the instruction could | 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 | 28 // not be decoded. The number of characters written is written into |
| 29 // the out parameter char_count. | 29 // the out parameter char_count. |
| 30 static int Decode(FILE* f, byte* pc, int* char_count); | 30 static int Decode(FILE* f, byte* pc, int* char_count); |
| 31 }; | 31 }; |
| 32 | 32 |
| 33 } } // namespace v8::internal | 33 } } // namespace v8::internal |
| 34 | 34 |
| 35 #endif // V8_DISASSEMBLER_H_ | 35 #endif // V8_DISASSEMBLER_H_ |
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