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disasm.h
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27 
28 #ifndef V8_DISASM_H_
29 #define V8_DISASM_H_
30 
31 namespace disasm {
32 
33 typedef unsigned char byte;
34 
35 // Interface and default implementation for converting addresses and
36 // register-numbers to text. The default implementation is machine
37 // specific.
39  public:
40  virtual ~NameConverter() {}
41  virtual const char* NameOfCPURegister(int reg) const;
42  virtual const char* NameOfByteCPURegister(int reg) const;
43  virtual const char* NameOfXMMRegister(int reg) const;
44  virtual const char* NameOfAddress(byte* addr) const;
45  virtual const char* NameOfConstant(byte* addr) const;
46  virtual const char* NameInCode(byte* addr) const;
47 
48  protected:
50 };
51 
52 
53 // A generic Disassembler interface
54 class Disassembler {
55  public:
56  // Caller deallocates converter.
57  explicit Disassembler(const NameConverter& converter);
58 
59  virtual ~Disassembler();
60 
61  // Writes one disassembled instruction into 'buffer' (0-terminated).
62  // Returns the length of the disassembled machine instruction in bytes.
63  int InstructionDecode(v8::internal::Vector<char> buffer, byte* instruction);
64 
65  // Returns -1 if instruction does not mark the beginning of a constant pool,
66  // or the number of entries in the constant pool beginning here.
67  int ConstantPoolSizeAt(byte* instruction);
68 
69  // Write disassembly into specified file 'f' using specified NameConverter
70  // (see constructor).
71  static void Disassemble(FILE* f, byte* begin, byte* end);
72  private:
73  const NameConverter& converter_;
74 
75  DISALLOW_IMPLICIT_CONSTRUCTORS(Disassembler);
76 };
77 
78 } // namespace disasm
79 
80 #endif // V8_DISASM_H_
static void Disassemble(FILE *f, byte *begin, byte *end)
unsigned char byte
Definition: disasm.h:33
Disassembler(const NameConverter &converter)
int ConstantPoolSizeAt(byte *instruction)
virtual const char * NameOfXMMRegister(int reg) const
v8::internal::EmbeddedVector< char, 128 > tmp_buffer_
Definition: disasm.h:49
virtual const char * NameOfConstant(byte *addr) const
virtual const char * NameInCode(byte *addr) const
virtual const char * NameOfByteCPURegister(int reg) const
virtual const char * NameOfCPURegister(int reg) const
int InstructionDecode(v8::internal::Vector< char > buffer, byte *instruction)
virtual const char * NameOfAddress(byte *addr) const
virtual ~NameConverter()
Definition: disasm.h:40