dolphin/Source/Core/Common/Src/x64Analyzer.h

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// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _X64ANALYZER_H_
#define _X64ANALYZER_H_
#include "Common.h"
struct InstructionInfo
{
int operandSize; //8, 16, 32, 64
int instructionSize;
int regOperandReg;
int otherReg;
int scaledReg;
bool zeroExtend;
bool signExtend;
bool hasImmediate;
bool isMemoryWrite;
u64 immediate;
s32 displacement;
};
struct ModRM
{
int mod, reg, rm;
ModRM(u8 modRM, u8 rex)
{
mod = modRM >> 6;
reg = ((modRM >> 3) & 7) | ((rex & 4)?8:0);
rm = modRM & 7;
}
};
enum{
MOVZX_BYTE = 0xB6, //movzx on byte
MOVZX_SHORT = 0xB7, //movzx on short
MOVSX_BYTE = 0xBE, //movsx on byte
MOVSX_SHORT = 0xBF, //movsx on short
MOVE_8BIT = 0xC6, //move 8-bit immediate
MOVE_16_32BIT = 0xC7, //move 16 or 32-bit immediate
MOVE_REG_TO_MEM = 0x89, //move reg to memory
};
enum AccessType{
OP_ACCESS_READ = 0,
OP_ACCESS_WRITE = 1
};
bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int accessType);
#endif // _X64ANALYZER_H_