1894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/*===- X86DisassemblerDecoderCommon.h - Disassembler decoder -------*- C -*-==* 2894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 3894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * The LLVM Compiler Infrastructure 4894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 5894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * This file is distributed under the University of Illinois Open Source 6894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * License. See LICENSE.TXT for details. 7894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 8894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman *===----------------------------------------------------------------------===* 9894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 10894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * This file is part of the X86 Disassembler. 11894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * It contains common definitions used by both the disassembler and the table 12894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * generator. 13894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Documentation for the disassembler can be found in X86Disassembler.h. 14894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 15894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman *===----------------------------------------------------------------------===*/ 16894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 17894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 18894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * This header file provides those definitions that need to be shared between 19894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * the decoder and the table generator in a C-friendly manner. 20894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 21894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 22894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#ifndef X86DISASSEMBLERDECODERCOMMON_H 23894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define X86DISASSEMBLERDECODERCOMMON_H 24894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 2519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "llvm/Support/DataTypes.h" 26894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 27894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define INSTRUCTIONS_SYM x86DisassemblerInstrSpecifiers 28894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define CONTEXTS_SYM x86DisassemblerContexts 29894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ONEBYTE_SYM x86DisassemblerOneByteOpcodes 30894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define TWOBYTE_SYM x86DisassemblerTwoByteOpcodes 31894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define THREEBYTE38_SYM x86DisassemblerThreeByte38Opcodes 32894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define THREEBYTE3A_SYM x86DisassemblerThreeByte3AOpcodes 3319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#define THREEBYTEA6_SYM x86DisassemblerThreeByteA6Opcodes 3419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#define THREEBYTEA7_SYM x86DisassemblerThreeByteA7Opcodes 35894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 36894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define INSTRUCTIONS_STR "x86DisassemblerInstrSpecifiers" 37894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define CONTEXTS_STR "x86DisassemblerContexts" 38894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ONEBYTE_STR "x86DisassemblerOneByteOpcodes" 39894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define TWOBYTE_STR "x86DisassemblerTwoByteOpcodes" 40894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define THREEBYTE38_STR "x86DisassemblerThreeByte38Opcodes" 41894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define THREEBYTE3A_STR "x86DisassemblerThreeByte3AOpcodes" 4219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#define THREEBYTEA6_STR "x86DisassemblerThreeByteA6Opcodes" 4319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#define THREEBYTEA7_STR "x86DisassemblerThreeByteA7Opcodes" 44894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 45894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 46894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Attributes of an instruction that must be known before the opcode can be 47894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * processed correctly. Most of these indicate the presence of particular 48894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * prefixes, but ATTR_64BIT is simply an attribute of the decoding context. 49894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 50894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ATTRIBUTE_BITS \ 51894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ATTR_NONE, 0x00) \ 52894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ATTR_64BIT, 0x01) \ 53894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ATTR_XS, 0x02) \ 54894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ATTR_XD, 0x04) \ 55894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ATTR_REXW, 0x08) \ 5619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(ATTR_OPSIZE, 0x10) \ 5719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(ATTR_VEX, 0x20) \ 5819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(ATTR_VEXL, 0x40) 59894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 60894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n, v) n = v, 61894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanenum attributeBits { 62894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ATTRIBUTE_BITS 63894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ATTR_max 64894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 65894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 66894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 67894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 68894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Combinations of the above attributes that are relevant to instruction 69894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * decode. Although other combinations are possible, they can be reduced to 70894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * these without affecting the ultimately decoded instruction. 71894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 72894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 73894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* Class name Rank Rationale for rank assignment */ 74894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define INSTRUCTION_CONTEXTS \ 75894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC, 0, "says nothing about the instruction") \ 76894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT, 1, "says the instruction applies in " \ 77894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "64-bit mode but no more") \ 78894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_OPSIZE, 3, "requires an OPSIZE prefix, so " \ 79894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "operands change width") \ 80894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_XD, 2, "may say something about the opcode " \ 81894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "but not the operands") \ 82894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_XS, 2, "may say something about the opcode " \ 83894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "but not the operands") \ 8419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_XD_OPSIZE, 3, "requires an OPSIZE prefix, so " \ 8519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman "operands change width") \ 8619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_XS_OPSIZE, 3, "requires an OPSIZE prefix, so " \ 8719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman "operands change width") \ 88894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_REXW, 4, "requires a REX.W prefix, so operands "\ 89894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "change width; overrides IC_OPSIZE") \ 90894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_OPSIZE, 3, "Just as meaningful as IC_OPSIZE") \ 91894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_XD, 5, "XD instructions are SSE; REX.W is " \ 92894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "secondary") \ 93894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_XS, 5, "Just as meaningful as IC_64BIT_XD") \ 9419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_64BIT_XD_OPSIZE, 3, "Just as meaningful as IC_XD_OPSIZE") \ 9519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_64BIT_XS_OPSIZE, 3, "Just as meaningful as IC_XS_OPSIZE") \ 96894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_REXW_XS, 6, "OPSIZE could mean a different " \ 97894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "opcode") \ 98894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_REXW_XD, 6, "Just as meaningful as " \ 99894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "IC_64BIT_REXW_XS") \ 100894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(IC_64BIT_REXW_OPSIZE, 7, "The Dynamic Duo! Prefer over all " \ 101894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "else because this changes most " \ 10219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman "operands' meaning") \ 10319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX, 1, "requires a VEX prefix") \ 10419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_XS, 2, "requires VEX and the XS prefix") \ 10519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_XD, 2, "requires VEX and the XD prefix") \ 10619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_OPSIZE, 2, "requires VEX and the OpSize prefix") \ 10719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_W, 3, "requires VEX and the W prefix") \ 10819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_W_XS, 4, "requires VEX, W, and XS prefix") \ 10919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_W_XD, 4, "requires VEX, W, and XD prefix") \ 11019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_W_OPSIZE, 4, "requires VEX, W, and OpSize") \ 11119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_L, 3, "requires VEX and the L prefix") \ 11219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_L_XS, 4, "requires VEX and the L and XS prefix")\ 11319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_L_XD, 4, "requires VEX and the L and XD prefix")\ 11419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(IC_VEX_L_OPSIZE, 4, "requires VEX, L, and OpSize") 11519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 116894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 117894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n, r, d) n, 118894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 119894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman INSTRUCTION_CONTEXTS 120894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman IC_max 121894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} InstructionContext; 122894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 123894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 124894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 125894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Opcode types, which determine which decode table to use, both in the Intel 126894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * manual and also for the decoder. 127894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 128894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 129894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ONEBYTE = 0, 130894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TWOBYTE = 1, 131894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman THREEBYTE_38 = 2, 13219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman THREEBYTE_3A = 3, 13319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman THREEBYTE_A6 = 4, 13419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman THREEBYTE_A7 = 5 135894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} OpcodeType; 136894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 137894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 138894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * The following structs are used for the hierarchical decode table. After 139894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * determining the instruction's class (i.e., which IC_* constant applies to 140894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * it), the decoder reads the opcode. Some instructions require specific 141894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * values of the ModR/M byte, so the ModR/M byte indexes into the final table. 142894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 143894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * If a ModR/M byte is not required, "required" is left unset, and the values 144894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * for each instructionID are identical. 145894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 146894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 147894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef uint16_t InstrUID; 148894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 149894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 150894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * ModRMDecisionType - describes the type of ModR/M decision, allowing the 151894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * consumer to determine the number of entries in it. 152894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * 153894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * MODRM_ONEENTRY - No matter what the value of the ModR/M byte is, the decoded 154894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * instruction is the same. 155894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * MODRM_SPLITRM - If the ModR/M byte is between 0x00 and 0xbf, the opcode 156894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * corresponds to one instruction; otherwise, it corresponds to 157894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * a different instruction. 158894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * MODRM_FULL - Potentially, each value of the ModR/M byte could correspond 159894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * to a different instruction. 160894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 161894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 162894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define MODRMTYPES \ 163894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODRM_ONEENTRY) \ 164894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODRM_SPLITRM) \ 165894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODRM_FULL) 166894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 167894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n) n, 168894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 169894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODRMTYPES 170894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODRM_max 171894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} ModRMDecisionType; 172894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 173894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 174894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 175894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * ModRMDecision - Specifies whether a ModR/M byte is needed and (if so) which 176894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * instruction each possible value of the ModR/M byte corresponds to. Once 177894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * this information is known, we have narrowed down to a single instruction. 178894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 179894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanstruct ModRMDecision { 180894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman uint8_t modrm_type; 181894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 182894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /* The macro below must be defined wherever this file is included. */ 183894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman INSTRUCTION_IDS 184894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 185894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 186894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 187894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * OpcodeDecision - Specifies which set of ModR/M->instruction tables to look at 188894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * given a particular opcode. 189894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 190894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanstruct OpcodeDecision { 191894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman struct ModRMDecision modRMDecisions[256]; 192894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 193894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 194894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 195894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * ContextDecision - Specifies which opcode->instruction tables to look at given 196894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * a particular context (set of attributes). Since there are many possible 197894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * contexts, the decoder first uses CONTEXTS_SYM to determine which context 198894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * applies given a specific set of attributes. Hence there are only IC_max 199894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * entries in this table, rather than 2^(ATTR_max). 200894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 201894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanstruct ContextDecision { 202894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman struct OpcodeDecision opcodeDecisions[IC_max]; 203894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 204894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 205894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 206894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Physical encodings of instruction operands. 207894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 208894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 209894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENCODINGS \ 210894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_NONE, "") \ 211894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_REG, "Register operand in ModR/M byte.") \ 212894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_RM, "R/M operand in ModR/M byte.") \ 21319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(ENCODING_VVVV, "Register operand in VEX.vvvv byte.") \ 214894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CB, "1-byte code offset (possible new CS value)") \ 215894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CW, "2-byte") \ 216894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CD, "4-byte") \ 217894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CP, "6-byte") \ 218894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CO, "8-byte") \ 219894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_CT, "10-byte") \ 220894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_IB, "1-byte immediate") \ 221894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_IW, "2-byte") \ 222894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_ID, "4-byte") \ 223894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_IO, "8-byte") \ 224894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_RB, "(AL..DIL, R8L..R15L) Register code added to " \ 225894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "the opcode byte") \ 226894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_RW, "(AX..DI, R8W..R15W)") \ 227894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_RD, "(EAX..EDI, R8D..R15D)") \ 228894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_RO, "(RAX..RDI, R8..R15)") \ 229894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_I, "Position on floating-point stack added to the " \ 230894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "opcode byte") \ 231894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman \ 232894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_Iv, "Immediate of operand size") \ 233894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_Ia, "Immediate of address size") \ 234894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_Rv, "Register code of operand size added to the " \ 235894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "opcode byte") \ 236894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(ENCODING_DUP, "Duplicate of another operand; ID is encoded " \ 237894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "in type") 238894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 239894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n, d) n, 240894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman typedef enum { 241894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENCODINGS 242894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENCODING_max 243894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman } OperandEncoding; 244894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 245894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 246894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 247894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Semantic interpretations of instruction operands. 248894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 249894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 250894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define TYPES \ 251894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_NONE, "") \ 252894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_REL8, "1-byte immediate address") \ 253894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_REL16, "2-byte") \ 254894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_REL32, "4-byte") \ 255894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_REL64, "8-byte") \ 256894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_PTR1616, "2+2-byte segment+offset address") \ 257894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_PTR1632, "2+4-byte") \ 258894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_PTR1664, "2+8-byte") \ 259894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_R8, "1-byte register operand") \ 260894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_R16, "2-byte") \ 261894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_R32, "4-byte") \ 262894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_R64, "8-byte") \ 263894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMM8, "1-byte immediate operand") \ 264894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMM16, "2-byte") \ 265894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMM32, "4-byte") \ 266894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMM64, "8-byte") \ 267894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMM3, "1-byte immediate operand between 0 and 7") \ 268894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_RM8, "1-byte register or memory operand") \ 269894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_RM16, "2-byte") \ 270894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_RM32, "4-byte") \ 271894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_RM64, "8-byte") \ 272894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M, "Memory operand") \ 273894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M8, "1-byte") \ 274894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M16, "2-byte") \ 275894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M32, "4-byte") \ 276894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M64, "8-byte") \ 277894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_LEA, "Effective address") \ 278894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M128, "16-byte (SSE/SSE2)") \ 27919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(TYPE_M256, "256-byte (AVX)") \ 280894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M1616, "2+2-byte segment+offset address") \ 281894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M1632, "2+4-byte") \ 282894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M1664, "2+8-byte") \ 283894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M16_32, "2+4-byte two-part memory operand (LIDT, LGDT)") \ 284894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M16_16, "2+2-byte (BOUND)") \ 285894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M32_32, "4+4-byte (BOUND)") \ 286894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M16_64, "2+8-byte (LIDT, LGDT)") \ 287894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MOFFS8, "1-byte memory offset (relative to segment " \ 288894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "base)") \ 289894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MOFFS16, "2-byte") \ 290894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MOFFS32, "4-byte") \ 291894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MOFFS64, "8-byte") \ 292894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_SREG, "Byte with single bit set: 0 = ES, 1 = CS, " \ 293894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "2 = SS, 3 = DS, 4 = FS, 5 = GS") \ 294894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M32FP, "32-bit IEE754 memory floating-point operand") \ 295894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M64FP, "64-bit") \ 296894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M80FP, "80-bit extended") \ 297894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M16INT, "2-byte memory integer operand for use in " \ 298894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman "floating-point instructions") \ 299894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M32INT, "4-byte") \ 300894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M64INT, "8-byte") \ 301894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_ST, "Position on the floating-point stack") \ 302894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MM, "MMX register operand") \ 303894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MM32, "4-byte MMX register or memory operand") \ 304894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_MM64, "8-byte") \ 305894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_XMM, "XMM register operand") \ 306894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_XMM32, "4-byte XMM register or memory operand") \ 307894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_XMM64, "8-byte") \ 308894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_XMM128, "16-byte") \ 30919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ENUM_ENTRY(TYPE_XMM256, "32-byte") \ 310894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_XMM0, "Implicit use of XMM0") \ 311894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_SEGMENTREG, "Segment register operand") \ 312894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DEBUGREG, "Debug register operand") \ 313894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_CONTROLREG, "Control register operand") \ 314894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman \ 315894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_Mv, "Memory operand of operand size") \ 316894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_Rv, "Register operand of operand size") \ 317894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_IMMv, "Immediate operand of operand size") \ 318894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_RELv, "Immediate address of operand size") \ 319894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DUP0, "Duplicate of operand 0") \ 320894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DUP1, "operand 1") \ 321894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DUP2, "operand 2") \ 322894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DUP3, "operand 3") \ 323894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_DUP4, "operand 4") \ 324894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(TYPE_M512, "512-bit FPU/MMX/XMM/MXCSR state") 325894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 326894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n, d) n, 327894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 328894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TYPES 329894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TYPE_max 330894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} OperandType; 331894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 332894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 333894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 334894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * OperandSpecifier - The specification for how to extract and interpret one 335894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * operand. 336894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 337894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanstruct OperandSpecifier { 338894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman OperandEncoding encoding; 339894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman OperandType type; 340894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 341894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 342894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 343894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Indicates where the opcode modifier (if any) is to be found. Extended 344894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * opcodes with AddRegFrm have the opcode modifier in the ModR/M byte. 345894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 346894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 347894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define MODIFIER_TYPES \ 348894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODIFIER_NONE) \ 349894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODIFIER_OPCODE) \ 350894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ENUM_ENTRY(MODIFIER_MODRM) 351894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 352894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define ENUM_ENTRY(n) n, 353894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 354894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODIFIER_TYPES 355894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODIFIER_max 356894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} ModifierType; 357894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#undef ENUM_ENTRY 358894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 359894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define X86_MAX_OPERANDS 5 360894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 361894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 362894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * The specification for how to extract and interpret a full instruction and 363894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * its operands. 364894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 365894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumanstruct InstructionSpecifier { 366894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ModifierType modifierType; 367894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman uint8_t modifierBase; 368894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman struct OperandSpecifier operands[X86_MAX_OPERANDS]; 369894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 370894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /* The macro below must be defined wherever this file is included. */ 371894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman INSTRUCTION_SPECIFIER_FIELDS 372894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman}; 373894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 374894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman/* 375894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * Decoding mode for the Intel disassembler. 16-bit, 32-bit, and 64-bit mode 376894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * are supported, and represent real mode, IA-32e, and IA-32e in 64-bit mode, 377894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman * respectively. 378894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman */ 379894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumantypedef enum { 380894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODE_16BIT, 381894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODE_32BIT, 382894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MODE_64BIT 383894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} DisassemblerMode; 384894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 385894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#endif 386