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67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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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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