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/* Copyright 2006-2009, BeatriX |
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* File coded by BeatriX |
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* |
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* This file is part of BeaEngine. |
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* |
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* BeaEngine is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* BeaEngine 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 Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with BeaEngine. If not, see <http://www.gnu.org/licenses/>. */ |
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|
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/* ==================================================================== |
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* Legacy Prefix F0h-Group 1 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefLock(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.LockPrefix = InvalidPrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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GV.OperandSize = 32; |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix F2h-Group 1 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefREPNE(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.RepnePrefix = SuperfluousPrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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GV.PrefRepne = 1; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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GV.PrefRepne = 0; |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix F3h-Group 1 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefREPE(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.RepPrefix = SuperfluousPrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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GV.PrefRepe = 1; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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GV.PrefRepe = 0; |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 2Eh-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGCS(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.CSPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 3Eh-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGDS(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.DSPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 26h-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGES(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.ESPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 64h-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGFS(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.FSPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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GV.SEGMENTFS = 1; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 65h-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGGS(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.GSPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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|
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/* ==================================================================== |
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* Legacy Prefix 36h-Group 2 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefSEGSS(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.SSPrefix = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 66h-Group 3 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefOpSize(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.OperandSize = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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GV.OriginalOperandSize = GV.OperandSize; /* if GV.OperandSize is used as a mandatory prefix, keep the real operandsize value */ |
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if (GV.Architecture == 16) { |
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GV.OperandSize = 32; |
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} |
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else { |
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if (GV.OperandSize != 64) { |
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GV.OperandSize = 16; |
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} |
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} |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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if (GV.Architecture == 16) { |
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GV.OperandSize = 16; |
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} |
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else { |
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GV.OperandSize = 32; |
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} |
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} |
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|
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/* ==================================================================== |
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* Legacy Prefix 67h-Group 4 |
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* ==================================================================== */ |
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void __bea_callspec__ PrefAdSize(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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(*pMyDisasm).Prefix.AddressSize = InUsePrefix; |
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GV.EIP_++; |
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(*pMyDisasm).Prefix.Number++; |
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GV.NB_PREFIX++; |
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if (GV.Architecture == 16) { |
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GV.AddressSize = GV.AddressSize << 1; |
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} |
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else { |
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GV.AddressSize = GV.AddressSize >> 1; |
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} |
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|
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_); |
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(void) opcode_map1[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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if (GV.Architecture == 16) { |
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GV.AddressSize = GV.AddressSize >> 1; |
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} |
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else { |
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GV.AddressSize = GV.AddressSize << 1; |
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} |
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|
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} |
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|
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/* ==================================================================== |
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* Escape Prefix 0Fh-two bytes opcodes |
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* ==================================================================== */ |
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void __bea_callspec__ Esc_2byte(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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GV.EIP_++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_)+0x0F00; |
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(void) opcode_map2[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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|
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/* ==================================================================== |
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* Escape Prefix 0F38h-three bytes opcodes |
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* ==================================================================== */ |
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void __bea_callspec__ Esc_tableA4(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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GV.EIP_++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_)+0x0F3800; |
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(void) opcode_map3[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
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/* ==================================================================== |
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* Escape Prefix 0F3Ah-three bytes opcodes |
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* ==================================================================== */ |
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void __bea_callspec__ Esc_tableA5(PDISASM pMyDisasm) |
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{ |
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if (!Security(0, pMyDisasm)) return; |
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GV.EIP_++; |
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(*pMyDisasm).Instruction.Opcode = *((UInt8*) (UIntPtr)GV.EIP_)+0x0F3A00; |
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(void) opcode_map4[*((UInt8*) (UIntPtr)GV.EIP_)](pMyDisasm); |
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} |
