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      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