1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #ifndef V8_DISASSEMBLER_H_ 29 #define V8_DISASSEMBLER_H_ 30 31 namespace v8 { 32 namespace internal { 33 34 class Disassembler : public AllStatic { 35 public: 36 // Print the bytes in the interval [begin, end) into f. 37 static void Dump(FILE* f, byte* begin, byte* end); 38 39 // Decode instructions in the the interval [begin, end) and print the 40 // code into f. Returns the number of bytes disassembled or 1 if no 41 // instruction could be decoded. 42 static int Decode(FILE* f, byte* begin, byte* end); 43 44 // Decode instructions in code. 45 static void Decode(FILE* f, Code* code); 46 private: 47 // Decode instruction at pc and print disassembled instruction into f. 48 // Returns the instruction length in bytes, or 1 if the instruction could 49 // not be decoded. The number of characters written is written into 50 // the out parameter char_count. 51 static int Decode(FILE* f, byte* pc, int* char_count); 52 }; 53 54 } } // namespace v8::internal 55 56 #endif // V8_DISASSEMBLER_H_ 57
