dolphin/Source/Core/Common/x64Analyzer.h

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include "Common/CommonTypes.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;
  bool byteSwap;
  u64 immediate;
  s32 displacement;

  bool operator==(const InstructionInfo& other) const;
};

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 AccessType
{
  OP_ACCESS_READ = 0,
  OP_ACCESS_WRITE = 1
};

bool DisassembleMov(const unsigned char* codePtr, InstructionInfo* info);