forked from dolphin-emu/dolphin
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#ifndef _X64ANALYZER_H_
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#define _X64ANALYZER_H_
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#include "Common.h"
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struct InstructionInfo
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{
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int operandSize; //8, 16, 32, 64
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int instructionSize;
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int regOperandReg;
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int otherReg;
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int scaledReg;
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bool zeroExtend;
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bool signExtend;
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bool hasImmediate;
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bool isMemoryWrite;
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u64 immediate;
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s32 displacement;
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};
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struct ModRM
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{
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int mod, reg, rm;
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ModRM(u8 modRM, u8 rex)
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{
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mod = modRM >> 6;
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reg = ((modRM >> 3) & 7) | ((rex & 4)?8:0);
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rm = modRM & 7;
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}
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};
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enum{
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MOVZX_BYTE = 0xB6, //movzx on byte
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MOVZX_SHORT = 0xB7, //movzx on short
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MOVSX_BYTE = 0xBE, //movsx on byte
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MOVSX_SHORT = 0xBF, //movsx on short
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MOVE_8BIT = 0xC6, //move 8-bit immediate
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MOVE_16_32BIT = 0xC7, //move 16 or 32-bit immediate
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MOVE_REG_TO_MEM = 0x89, //move reg to memory
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};
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enum AccessType{
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OP_ACCESS_READ = 0,
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OP_ACCESS_WRITE = 1
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};
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bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int accessType);
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#endif // _X64ANALYZER_H_
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