/* $Id: DisasmInternal.h $ */ /** @file * VBox disassembler - Internal header. */ /* * Copyright (C) 2006-2020 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ #ifndef VBOX_INCLUDED_SRC_DisasmInternal_h #define VBOX_INCLUDED_SRC_DisasmInternal_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include /** @defgroup grp_dis_int Internals. * @ingroup grp_dis * @{ */ /** @name Index into g_apfnCalcSize and g_apfnFullDisasm. * @{ */ enum IDX_Parse { IDX_ParseNop = 0, IDX_ParseModRM, IDX_UseModRM, IDX_ParseImmByte, IDX_ParseImmBRel, IDX_ParseImmUshort, IDX_ParseImmV, IDX_ParseImmVRel, IDX_ParseImmAddr, IDX_ParseFixedReg, IDX_ParseImmUlong, IDX_ParseImmQword, IDX_ParseTwoByteEsc, IDX_ParseGrp1, IDX_ParseShiftGrp2, IDX_ParseGrp3, IDX_ParseGrp4, IDX_ParseGrp5, IDX_Parse3DNow, IDX_ParseGrp6, IDX_ParseGrp7, IDX_ParseGrp8, IDX_ParseGrp9, IDX_ParseGrp10, IDX_ParseGrp12, IDX_ParseGrp13, IDX_ParseGrp14, IDX_ParseGrp15, IDX_ParseGrp16, IDX_ParseModFence, IDX_ParseYv, IDX_ParseYb, IDX_ParseXv, IDX_ParseXb, IDX_ParseEscFP, IDX_ParseNopPause, IDX_ParseImmByteSX, IDX_ParseImmZ, IDX_ParseThreeByteEsc4, IDX_ParseThreeByteEsc5, IDX_ParseImmAddrF, IDX_ParseInvOpModRM, IDX_ParseVex2b, IDX_ParseVex3b, IDX_ParseVexDest, IDX_ParseMax }; /** @} */ /** @name Opcode maps. * @{ */ extern const DISOPCODE g_InvalidOpcode[1]; extern const DISOPCODE g_aOneByteMapX86[256]; extern const DISOPCODE g_aOneByteMapX64[256]; extern const DISOPCODE g_aTwoByteMapX86[256]; /** Two byte opcode map with prefix 0x66 */ extern const DISOPCODE g_aTwoByteMapX86_PF66[256]; /** Two byte opcode map with prefix 0xF2 */ extern const DISOPCODE g_aTwoByteMapX86_PFF2[256]; /** Two byte opcode map with prefix 0xF3 */ extern const DISOPCODE g_aTwoByteMapX86_PFF3[256]; /** Three byte opcode map (0xF 0x38) */ extern PCDISOPCODE const g_apThreeByteMapX86_0F38[16]; /** Three byte opcode map with prefix 0x66 (0xF 0x38) */ extern PCDISOPCODE const g_apThreeByteMapX86_660F38[16]; /** Three byte opcode map with prefix 0xF2 (0xF 0x38) */ extern PCDISOPCODE const g_apThreeByteMapX86_F20F38[16]; /** Three byte opcode map with prefix 0xF3 (0xF 0x38) */ extern PCDISOPCODE const g_apThreeByteMapX86_F30F38[16]; extern PCDISOPCODE const g_apThreeByteMapX86_0F3A[16]; /** Three byte opcode map with prefix 0x66 (0xF 0x3A) */ extern PCDISOPCODE const g_apThreeByteMapX86_660F3A[16]; /** Three byte opcode map with prefixes 0x66 0xF2 (0xF 0x38) */ extern PCDISOPCODE const g_apThreeByteMapX86_66F20F38[16]; /** VEX opcodes table defined by [VEX.m-mmmm - 1]. * 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 00b */ extern PCDISOPCODE const g_aVexOpcodesMap[3]; /** VEX opcodes table defined by [VEX.m-mmmm - 1]. * 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 01b (66h) */ extern PCDISOPCODE const g_aVexOpcodesMap_66H[3]; /** 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 10b (F3h) */ extern PCDISOPCODE const g_aVexOpcodesMap_F3H[3]; /** 0Fh, 0F38h, 0F3Ah correspondingly, VEX.pp = 11b (F2h) */ extern PCDISOPCODE const g_aVexOpcodesMap_F2H[3]; /** @} */ /** @name Opcode extensions (Group tables) * @{ */ extern const DISOPCODE g_aMapX86_Group1[8*4]; extern const DISOPCODE g_aMapX86_Group2[8*6]; extern const DISOPCODE g_aMapX86_Group3[8*2]; extern const DISOPCODE g_aMapX86_Group4[8]; extern const DISOPCODE g_aMapX86_Group5[8]; extern const DISOPCODE g_aMapX86_Group6[8]; extern const DISOPCODE g_aMapX86_Group7_mem[8]; extern const DISOPCODE g_aMapX86_Group7_mod11_rm000[8]; extern const DISOPCODE g_aMapX86_Group7_mod11_rm001[8]; extern const DISOPCODE g_aMapX86_Group8[8]; extern const DISOPCODE g_aMapX86_Group9[8]; extern const DISOPCODE g_aMapX86_Group10[8]; extern const DISOPCODE g_aMapX86_Group11[8*2]; extern const DISOPCODE g_aMapX86_Group12[8*2]; extern const DISOPCODE g_aMapX86_Group13[8*2]; extern const DISOPCODE g_aMapX86_Group14[8*2]; extern const DISOPCODE g_aMapX86_Group15_mem[8]; extern const DISOPCODE g_aMapX86_Group15_mod11_rm000[8]; extern const DISOPCODE g_aMapX86_Group16[8]; extern const DISOPCODE g_aMapX86_NopPause[2]; /** @} */ /** 3DNow! map (0x0F 0x0F prefix) */ extern const DISOPCODE g_aTwoByteMapX86_3DNow[256]; /** Floating point opcodes starting with escape byte 0xDF * @{ */ extern const DISOPCODE g_aMapX86_EscF0_Low[8]; extern const DISOPCODE g_aMapX86_EscF0_High[16*4]; extern const DISOPCODE g_aMapX86_EscF1_Low[8]; extern const DISOPCODE g_aMapX86_EscF1_High[16*4]; extern const DISOPCODE g_aMapX86_EscF2_Low[8]; extern const DISOPCODE g_aMapX86_EscF2_High[16*4]; extern const DISOPCODE g_aMapX86_EscF3_Low[8]; extern const DISOPCODE g_aMapX86_EscF3_High[16*4]; extern const DISOPCODE g_aMapX86_EscF4_Low[8]; extern const DISOPCODE g_aMapX86_EscF4_High[16*4]; extern const DISOPCODE g_aMapX86_EscF5_Low[8]; extern const DISOPCODE g_aMapX86_EscF5_High[16*4]; extern const DISOPCODE g_aMapX86_EscF6_Low[8]; extern const DISOPCODE g_aMapX86_EscF6_High[16*4]; extern const DISOPCODE g_aMapX86_EscF7_Low[8]; extern const DISOPCODE g_aMapX86_EscF7_High[16*4]; extern const PCDISOPCODE g_apMapX86_FP_Low[8]; extern const PCDISOPCODE g_apMapX86_FP_High[8]; /** @} */ /** @def OP * Wrapper which initializes an DISOPCODE. * We must use this so that we can exclude unused fields in order * to save precious bytes in the GC version. * * @internal */ #ifndef DIS_CORE_ONLY # define OP(pszOpcode, idxParse1, idxParse2, idxParse3, opcode, param1, param2, param3, optype) \ { pszOpcode, idxParse1, idxParse2, idxParse3, 0, opcode, param1, param2, param3, 0, 0, optype } # define OPVEX(pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, optype) \ { pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, 0, optype | DISOPTYPE_SSE } #else # define OP(pszOpcode, idxParse1, idxParse2, idxParse3, opcode, param1, param2, param3, optype) \ { idxParse1, idxParse2, idxParse3, 0, opcode, param1, param2, param3, 0, 0, optype } # define OPVEX(pszOpcode, idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, optype) \ { idxParse1, idxParse2, idxParse3, idxParse4, opcode, param1, param2, param3, param4, 0, optype | DISOPTYPE_SSE} #endif size_t disFormatBytes(PCDISSTATE pDis, char *pszDst, size_t cchDst, uint32_t fFlags); /** @} */ #endif /* !VBOX_INCLUDED_SRC_DisasmInternal_h */