| 1 | /* $Id: DisasmInternal.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox disassembler - Internal header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef VBOX_INCLUDED_SRC_DisasmInternal_h
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| 19 | #define VBOX_INCLUDED_SRC_DisasmInternal_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <VBox/types.h>
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| 25 | #include <VBox/dis.h>
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| 26 |
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| 27 |
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| 28 | /** @defgroup grp_dis_int Internals.
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| 29 | * @ingroup grp_dis
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /** @name Index into g_apfnCalcSize and g_apfnFullDisasm.
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| 34 | * @{ */
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| 35 | enum IDX_Parse
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| 36 | {
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| 37 | IDX_ParseNop = 0,
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| 38 | IDX_ParseModRM,
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| 39 | IDX_UseModRM,
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| 40 | IDX_ParseImmByte,
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| 41 | IDX_ParseImmBRel,
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| 42 | IDX_ParseImmUshort,
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| 43 | IDX_ParseImmV,
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| 44 | IDX_ParseImmVRel,
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| 45 | IDX_ParseImmAddr,
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| 46 | IDX_ParseFixedReg,
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| 47 | IDX_ParseImmUlong,
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| 48 | IDX_ParseImmQword,
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| 49 | IDX_ParseTwoByteEsc,
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| 50 | IDX_ParseGrp1,
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| 51 | IDX_ParseShiftGrp2,
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| 52 | IDX_ParseGrp3,
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| 53 | IDX_ParseGrp4,
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| 54 | IDX_ParseGrp5,
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| 55 | IDX_Parse3DNow,
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| 56 | IDX_ParseGrp6,
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| 57 | IDX_ParseGrp7,
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| 58 | IDX_ParseGrp8,
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| 59 | IDX_ParseGrp9,
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| 60 | IDX_ParseGrp10,
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| 61 | IDX_ParseGrp12,
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| 62 | IDX_ParseGrp13,
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| 63 | IDX_ParseGrp14,
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| 64 | IDX_ParseGrp15,
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| 65 | IDX_ParseGrp16,
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| 66 | IDX_ParseModFence,
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| 67 | IDX_ParseYv,
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| 68 | IDX_ParseYb,
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| 69 | IDX_ParseXv,
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| 70 | IDX_ParseXb,
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| 71 | IDX_ParseEscFP,
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| 72 | IDX_ParseNopPause,
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| 73 | IDX_ParseImmByteSX,
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| 74 | IDX_ParseImmZ,
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| 75 | IDX_ParseThreeByteEsc4,
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| 76 | IDX_ParseThreeByteEsc5,
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| 77 | IDX_ParseImmAddrF,
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| 78 | IDX_ParseInvOpModRM,
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| 79 | IDX_ParseVex2b,
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| 80 | IDX_ParseVex3b,
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| 81 | IDX_ParseVexDest,
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| 82 | IDX_ParseMax
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| 83 | };
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| 84 | /** @} */
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| 85 |
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| 86 |
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| 87 | /** @name Opcode maps.
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| 88 | * @{ */
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| 89 | extern const DISOPCODE g_InvalidOpcode[1];
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| 90 |
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| 91 | extern const DISOPCODE g_aOneByteMapX86[256];
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| 92 | extern const DISOPCODE g_aOneByteMapX64[256];
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| 93 | extern const DISOPCODE g_aTwoByteMapX86[256];
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| 94 |
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| 95 | /** Two byte opcode map with prefix 0x66 */
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| 96 | extern const DISOPCODE g_aTwoByteMapX86_PF66[256];
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| 97 |
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| 98 | /** Two byte opcode map with prefix 0xF2 */
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| 99 | extern const DISOPCODE g_aTwoByteMapX86_PFF2[256];
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| 100 |
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| 101 | /** Two byte opcode map with prefix 0xF3 */
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| 102 | extern const DISOPCODE g_aTwoByteMapX86_PFF3[256];
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| 103 |
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| 104 | /** Three byte opcode map (0xF 0x38) */
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| 105 | extern PCDISOPCODE const g_apThreeByteMapX86_0F38[16];
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| 106 |
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| 107 | /** Three byte opcode map with prefix 0x66 (0xF 0x38) */
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| 108 | extern PCDISOPCODE const g_apThreeByteMapX86_660F38[16];
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| 109 |
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| 110 | /** Three byte opcode map with prefix 0xF2 (0xF 0x38) */
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| 111 | extern PCDISOPCODE const g_apThreeByteMapX86_F20F38[16];
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| 112 |
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| 113 | /** Three byte opcode map with prefix 0xF3 (0xF 0x38) */
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| 114 | extern PCDISOPCODE const g_apThreeByteMapX86_F30F38[16];
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| 115 |
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| 116 | extern PCDISOPCODE const g_apThreeByteMapX86_0F3A[16];
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| 117 |
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| 118 | /** Three byte opcode map with prefix 0x66 (0xF 0x3A) */
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| 119 | extern PCDISOPCODE const g_apThreeByteMapX86_660F3A[16];
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| 120 |
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| 121 | /** Three byte opcode map with prefixes 0x66 0xF2 (0xF 0x38) */
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| 122 | extern PCDISOPCODE const g_apThreeByteMapX86_66F20F38[16];
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| 123 |
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| 124 | /** VEX opcodes table defined by [VEX.m-mmmm - 1].
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| 125 | * 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 00b */
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| 126 | extern PCDISOPCODE const g_aVexOpcodesMap[3];
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| 127 |
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| 128 | /** VEX opcodes table defined by [VEX.m-mmmm - 1].
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| 129 | * 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 01b (66h) */
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| 130 | extern PCDISOPCODE const g_aVexOpcodesMap_66H[3];
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| 131 |
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| 132 | /** 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 10b (F3h) */
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| 133 | extern PCDISOPCODE const g_aVexOpcodesMap_F3H[3];
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| 134 |
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| 135 | /** 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 11b (F2h) */
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| 136 | extern PCDISOPCODE const g_aVexOpcodesMap_F2H[3];
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| 137 | /** @} */
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| 138 |
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| 139 | /** @name Opcode extensions (Group tables)
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| 140 | * @{ */
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| 141 | extern const DISOPCODE g_aMapX86_Group1[8*4];
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| 142 | extern const DISOPCODE g_aMapX86_Group2[8*6];
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| 143 | extern const DISOPCODE g_aMapX86_Group3[8*2];
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| 144 | extern const DISOPCODE g_aMapX86_Group4[8];
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| 145 | extern const DISOPCODE g_aMapX86_Group5[8];
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| 146 | extern const DISOPCODE g_aMapX86_Group6[8];
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| 147 | extern const DISOPCODE g_aMapX86_Group7_mem[8];
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| 148 | extern const DISOPCODE g_aMapX86_Group7_mod11_rm000[8];
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| 149 | extern const DISOPCODE g_aMapX86_Group7_mod11_rm001[8];
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| 150 | extern const DISOPCODE g_aMapX86_Group8[8];
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| 151 | extern const DISOPCODE g_aMapX86_Group9[8];
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| 152 | extern const DISOPCODE g_aMapX86_Group10[8];
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| 153 | extern const DISOPCODE g_aMapX86_Group11[8*2];
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| 154 | extern const DISOPCODE g_aMapX86_Group12[8*2];
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| 155 | extern const DISOPCODE g_aMapX86_Group13[8*2];
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| 156 | extern const DISOPCODE g_aMapX86_Group14[8*2];
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| 157 | extern const DISOPCODE g_aMapX86_Group15_mem[8];
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| 158 | extern const DISOPCODE g_aMapX86_Group15_mod11_rm000[8];
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| 159 | extern const DISOPCODE g_aMapX86_Group16[8];
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| 160 | extern const DISOPCODE g_aMapX86_NopPause[2];
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| 161 | /** @} */
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| 162 |
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| 163 | /** 3DNow! map (0x0F 0x0F prefix) */
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| 164 | extern const DISOPCODE g_aTwoByteMapX86_3DNow[256];
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| 165 |
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| 166 | /** Floating point opcodes starting with escape byte 0xDF
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| 167 | * @{ */
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| 168 | extern const DISOPCODE g_aMapX86_EscF0_Low[8];
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| 169 | extern const DISOPCODE g_aMapX86_EscF0_High[16*4];
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| 170 | extern const DISOPCODE g_aMapX86_EscF1_Low[8];
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| 171 | extern const DISOPCODE g_aMapX86_EscF1_High[16*4];
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| 172 | extern const DISOPCODE g_aMapX86_EscF2_Low[8];
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| 173 | extern const DISOPCODE g_aMapX86_EscF2_High[16*4];
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| 174 | extern const DISOPCODE g_aMapX86_EscF3_Low[8];
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| 175 | extern const DISOPCODE g_aMapX86_EscF3_High[16*4];
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| 176 | extern const DISOPCODE g_aMapX86_EscF4_Low[8];
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| 177 | extern const DISOPCODE g_aMapX86_EscF4_High[16*4];
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| 178 | extern const DISOPCODE g_aMapX86_EscF5_Low[8];
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| 179 | extern const DISOPCODE g_aMapX86_EscF5_High[16*4];
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| 180 | extern const DISOPCODE g_aMapX86_EscF6_Low[8];
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| 181 | extern const DISOPCODE g_aMapX86_EscF6_High[16*4];
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| 182 | extern const DISOPCODE g_aMapX86_EscF7_Low[8];
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| 183 | extern const DISOPCODE g_aMapX86_EscF7_High[16*4];
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| 184 |
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| 185 | extern const PCDISOPCODE g_apMapX86_FP_Low[8];
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| 186 | extern const PCDISOPCODE g_apMapX86_FP_High[8];
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| 187 | /** @} */
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| 188 |
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| 189 | /** @def OP
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| 190 | * Wrapper which initializes an DISOPCODE.
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| 191 | * We must use this so that we can exclude unused fields in order
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| 192 | * to save precious bytes in the GC version.
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| 193 | *
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| 194 | * @internal
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| 195 | */
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| 196 | #ifndef DIS_CORE_ONLY
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| 197 | # define OP(pszOpcode, idxParse1, idxParse2, idxParse3, opcode, param1, param2, param3, optype) \
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| 198 | { pszOpcode, idxParse1, idxParse2, idxParse3, 0, opcode, param1, param2, param3, 0, 0, optype }
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| 199 | # define OPVEX(pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, optype) \
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| 200 | { pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, 0, optype | DISOPTYPE_SSE }
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| 201 | #else
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| 202 | # define OP(pszOpcode, idxParse1, idxParse2, idxParse3, opcode, param1, param2, param3, optype) \
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| 203 | { idxParse1, idxParse2, idxParse3, 0, opcode, param1, param2, param3, 0, 0, optype }
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| 204 | # define OPVEX(pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, optype) \
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| 205 | { idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, 0, optype | DISOPTYPE_SSE}
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| 206 | #endif
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| 207 |
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| 208 |
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| 209 | size_t disFormatBytes(PCDISSTATE pDis, char *pszDst, size_t cchDst, uint32_t fFlags);
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| 210 |
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| 211 | /** @} */
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| 212 | #endif /* !VBOX_INCLUDED_SRC_DisasmInternal_h */
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| 213 |
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