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78 lines
3.1 KiB
78 lines
3.1 KiB
16 years ago
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// Copyright 2007-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_DISASM_H_
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#define V8_DISASM_H_
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namespace disasm {
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typedef unsigned char byte;
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// Interface and default implementation for converting addresses and
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// register-numbers to text. The default implementation is machine
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// specific.
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class NameConverter {
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public:
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virtual ~NameConverter() {}
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virtual const char* NameOfCPURegister(int reg) const;
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virtual const char* NameOfByteCPURegister(int reg) const;
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virtual const char* NameOfXMMRegister(int reg) const;
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virtual const char* NameOfAddress(byte* addr) const;
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virtual const char* NameOfConstant(byte* addr) const;
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virtual const char* NameInCode(byte* addr) const;
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};
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// A generic Disassembler interface
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class Disassembler {
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public:
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// Caller deallocates converter.
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explicit Disassembler(const NameConverter& converter);
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virtual ~Disassembler();
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// Writes one disassembled instruction into 'buffer' (0-terminated).
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// Returns the length of the disassembled machine instruction in bytes.
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int InstructionDecode(v8::internal::Vector<char> buffer, byte* instruction);
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// Returns -1 if instruction does not mark the beginning of a constant pool,
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// or the number of entries in the constant pool beginning here.
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int ConstantPoolSizeAt(byte* instruction);
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// Write disassembly into specified file 'f' using specified NameConverter
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// (see constructor).
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static void Disassemble(FILE* f, byte* begin, byte* end);
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private:
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const NameConverter& converter_;
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DISALLOW_IMPLICIT_CONSTRUCTORS(Disassembler);
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};
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} // namespace disasm
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#endif // V8_DISASM_H_
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