| 1 |
/* Copyright 2006-2009, BeatriX |
| 2 |
* File coded by BeatriX |
| 3 |
* |
| 4 |
* This file is part of BeaEngine. |
| 5 |
* |
| 6 |
* BeaEngine is free software: you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU Lesser General Public License as published by |
| 8 |
* the Free Software Foundation, either version 3 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* BeaEngine is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU Lesser General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU Lesser General Public License |
| 17 |
* along with BeaEngine. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 |
|
| 19 |
/* ==================================================================== |
| 20 |
* 0ffh |
| 21 |
* ==================================================================== */ |
| 22 |
void __bea_callspec__ G5_Ev(PDISASM pMyDisasm) |
| 23 |
{ |
| 24 |
GV.REGOPCODE = ((*((UInt8*)(UIntPtr) (GV.EIP_+1))) >> 3) & 0x7; |
| 25 |
if (GV.REGOPCODE == 0) { |
| 26 |
if ((*pMyDisasm).Prefix.LockPrefix == InvalidPrefix) { |
| 27 |
(*pMyDisasm).Prefix.LockPrefix = InUsePrefix; |
| 28 |
} |
| 29 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+ARITHMETIC_INSTRUCTION; |
| 30 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 31 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "inc "); |
| 32 |
#endif |
| 33 |
Ev(pMyDisasm); |
| 34 |
FillFlags(pMyDisasm, 40); |
| 35 |
} |
| 36 |
else if (GV.REGOPCODE == 1) { |
| 37 |
if ((*pMyDisasm).Prefix.LockPrefix == InvalidPrefix) { |
| 38 |
(*pMyDisasm).Prefix.LockPrefix = InUsePrefix; |
| 39 |
} |
| 40 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+ARITHMETIC_INSTRUCTION; |
| 41 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 42 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "dec "); |
| 43 |
#endif |
| 44 |
Ev(pMyDisasm); |
| 45 |
FillFlags(pMyDisasm, 30); |
| 46 |
} |
| 47 |
else if (GV.REGOPCODE == 2) { |
| 48 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+CONTROL_TRANSFER; |
| 49 |
(*pMyDisasm).Instruction.BranchType = CallType; |
| 50 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 51 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "call "); |
| 52 |
#endif |
| 53 |
if (GV.Architecture == 64) { |
| 54 |
GV.OperandSize = 64; |
| 55 |
} |
| 56 |
if (GV.OperandSize == 64) { |
| 57 |
GV.MemDecoration = Arg1qword; |
| 58 |
} |
| 59 |
else if (GV.OperandSize == 32) { |
| 60 |
GV.MemDecoration = Arg1dword; |
| 61 |
} |
| 62 |
else { |
| 63 |
GV.MemDecoration = Arg1word; |
| 64 |
} |
| 65 |
MOD_RM(&(*pMyDisasm).Argument1, pMyDisasm); |
| 66 |
GV.EIP_ += GV.DECALAGE_EIP+2; |
| 67 |
(*pMyDisasm).Instruction.ImplicitModifiedRegs = GENERAL_REG+REG4; |
| 68 |
} |
| 69 |
else if (GV.REGOPCODE == 3) { |
| 70 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+CONTROL_TRANSFER; |
| 71 |
(*pMyDisasm).Instruction.BranchType = CallType; |
| 72 |
if (GV.SYNTAX_ == ATSyntax) { |
| 73 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 74 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "lcall "); |
| 75 |
#endif |
| 76 |
} |
| 77 |
else { |
| 78 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 79 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "call far "); |
| 80 |
#endif |
| 81 |
} |
| 82 |
GV.MemDecoration = Arg1fword; |
| 83 |
MOD_RM(&(*pMyDisasm).Argument1, pMyDisasm); |
| 84 |
GV.EIP_ += GV.DECALAGE_EIP+2; |
| 85 |
(*pMyDisasm).Instruction.ImplicitModifiedRegs = GENERAL_REG+REG4; |
| 86 |
} |
| 87 |
else if (GV.REGOPCODE == 4) { |
| 88 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+CONTROL_TRANSFER; |
| 89 |
(*pMyDisasm).Instruction.BranchType = JmpType; |
| 90 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 91 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "jmp "); |
| 92 |
#endif |
| 93 |
if (GV.Architecture == 64) { |
| 94 |
GV.OperandSize = 64; |
| 95 |
} |
| 96 |
if (GV.OperandSize == 64) { |
| 97 |
GV.MemDecoration = Arg1qword; |
| 98 |
} |
| 99 |
else if (GV.OperandSize == 32) { |
| 100 |
GV.MemDecoration = Arg1dword; |
| 101 |
} |
| 102 |
else { |
| 103 |
GV.MemDecoration = Arg1word; |
| 104 |
} |
| 105 |
MOD_RM(&(*pMyDisasm).Argument1, pMyDisasm); |
| 106 |
GV.EIP_ += GV.DECALAGE_EIP+2; |
| 107 |
} |
| 108 |
else if (GV.REGOPCODE == 5) { |
| 109 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+CONTROL_TRANSFER; |
| 110 |
(*pMyDisasm).Instruction.BranchType = JmpType; |
| 111 |
if (GV.SYNTAX_ == ATSyntax) { |
| 112 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 113 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "ljmp "); |
| 114 |
#endif |
| 115 |
} |
| 116 |
else { |
| 117 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 118 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "jmp far "); |
| 119 |
#endif |
| 120 |
} |
| 121 |
GV.MemDecoration = Arg1fword; |
| 122 |
MOD_RM(&(*pMyDisasm).Argument1, pMyDisasm); |
| 123 |
GV.EIP_ += GV.DECALAGE_EIP+2; |
| 124 |
} |
| 125 |
else if (GV.REGOPCODE == 6) { |
| 126 |
(*pMyDisasm).Instruction.Category = GENERAL_PURPOSE_INSTRUCTION+DATA_TRANSFER; |
| 127 |
#ifndef BEA_LIGHT_DISASSEMBLY |
| 128 |
(void) strcpy ((*pMyDisasm).Instruction.Mnemonic, "push "); |
| 129 |
#endif |
| 130 |
if (GV.Architecture == 64) { |
| 131 |
GV.OperandSize = 64; |
| 132 |
} |
| 133 |
if (GV.OperandSize == 64) { |
| 134 |
GV.MemDecoration = Arg2qword; |
| 135 |
} |
| 136 |
else if (GV.OperandSize == 32) { |
| 137 |
GV.MemDecoration = Arg2dword; |
| 138 |
} |
| 139 |
else { |
| 140 |
GV.MemDecoration = Arg2word; |
| 141 |
} |
| 142 |
MOD_RM(&(*pMyDisasm).Argument2, pMyDisasm); |
| 143 |
GV.EIP_ += GV.DECALAGE_EIP+2; |
| 144 |
(*pMyDisasm).Argument1.ArgType = MEMORY_TYPE; |
| 145 |
(*pMyDisasm).Argument1.ArgSize = GV.OperandSize; |
| 146 |
(*pMyDisasm).Argument1.Memory.BaseRegister = REG4; |
| 147 |
(*pMyDisasm).Instruction.ImplicitModifiedRegs = GENERAL_REG+REG4; |
| 148 |
} |
| 149 |
else { |
| 150 |
FailDecode(pMyDisasm); |
| 151 |
} |
| 152 |
} |
| 153 |
|
