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 10 namespace v8 { 11 namespace internal { 12 13 class 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