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

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.

#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_