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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
// Copyright 2007-2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef jit_riscv64_disasm_Disasm_riscv64_h
#define jit_riscv64_disasm_Disasm_riscv64_h
#include "mozilla/Assertions.h"
#include "mozilla/Types.h"
#include <stdio.h>
#include "jit/riscv64/constant/Constant-riscv64.h"
#include "jit/riscv64/constant/util-riscv64.h"
namespace js {
namespace jit {
namespace disasm {
typedef unsigned char byte;
// Interface and default implementation for converting addresses and
// register-numbers to text. The default implementation is machine
// specific.
class NameConverter {
public:
virtual ~NameConverter() {}
virtual const char* NameOfCPURegister(int reg) const;
virtual const char* NameOfByteCPURegister(int reg) const;
virtual const char* NameOfXMMRegister(int reg) const;
virtual const char* NameOfAddress(byte* addr) const;
virtual const char* NameOfConstant(byte* addr) const;
virtual const char* NameInCode(byte* addr) const;
protected:
EmbeddedVector<char, 128> tmp_buffer_;
};
// A generic Disassembler interface
class Disassembler {
public:
// Caller deallocates converter.
explicit Disassembler(const NameConverter& converter);
virtual ~Disassembler();
// Writes one disassembled instruction into 'buffer' (0-terminated).
// Returns the length of the disassembled machine instruction in bytes.
int InstructionDecode(V8Vector<char> buffer, uint8_t* instruction);
// Returns -1 if instruction does not mark the beginning of a constant pool,
// or the number of entries in the constant pool beginning here.
int ConstantPoolSizeAt(byte* instruction);
// Write disassembly into specified file 'f' using specified NameConverter
// (see constructor).
static void Disassemble(FILE* f, uint8_t* begin, uint8_t* end);
private:
const NameConverter& converter_;
// Disallow implicit constructors.
Disassembler() = delete;
Disassembler(const Disassembler&) = delete;
void operator=(const Disassembler&) = delete;
};
} // namespace disasm
} // namespace jit
} // namespace js
#endif // jit_riscv64_disasm_Disasm_riscv64_h
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