src/disassembler.h
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00001 // Copyright 2006-2008 the V8 project authors. All rights reserved. 00002 // Redistribution and use in source and binary forms, with or without 00003 // modification, are permitted provided that the following conditions are 00004 // met: 00005 // 00006 // * Redistributions of source code must retain the above copyright 00007 // notice, this list of conditions and the following disclaimer. 00008 // * Redistributions in binary form must reproduce the above 00009 // copyright notice, this list of conditions and the following 00010 // disclaimer in the documentation and/or other materials provided 00011 // with the distribution. 00012 // * Neither the name of Google Inc. nor the names of its 00013 // contributors may be used to endorse or promote products derived 00014 // from this software without specific prior written permission. 00015 // 00016 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00017 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00018 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00019 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00020 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00021 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00022 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00026 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 00028 #ifndef V8_DISASSEMBLER_H_ 00029 #define V8_DISASSEMBLER_H_ 00030 00031 namespace v8 { namespace internal { 00032 00033 class Disassembler : public AllStatic { 00034 public: 00035 // Print the bytes in the interval [begin, end) into f. 00036 static void Dump(FILE* f, byte* begin, byte* end); 00037 00038 // Decode instructions in the the interval [begin, end) and print the 00039 // code into f. Returns the number of bytes disassembled or 1 if no 00040 // instruction could be decoded. 00041 static int Decode(FILE* f, byte* begin, byte* end); 00042 00043 // Decode instructions in code. 00044 static void Decode(FILE* f, Code* code); 00045 private: 00046 // Decode instruction at pc and print disassembled instruction into f. 00047 // Returns the instruction length in bytes, or 1 if the instruction could 00048 // not be decoded. The number of characters written is written into 00049 // the out parameter char_count. 00050 static int Decode(FILE* f, byte* pc, int* char_count); 00051 }; 00052 00053 } } // namespace v8::internal 00054 00055 #endif // V8_DISASSEMBLER_H_
