1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #include "dis_tables.h" 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate /* BEGIN CSTYLED */ 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate /* 38*7c478bd9Sstevel@tonic-gate * Disassembly begins in dis_distable, which is equivalent to the One-byte 39*7c478bd9Sstevel@tonic-gate * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy). The 40*7c478bd9Sstevel@tonic-gate * decoding loops then traverse out through the other tables as necessary to 41*7c478bd9Sstevel@tonic-gate * decode a given instruction. 42*7c478bd9Sstevel@tonic-gate * 43*7c478bd9Sstevel@tonic-gate * The behavior of this file can be controlled by one of the following flags: 44*7c478bd9Sstevel@tonic-gate * 45*7c478bd9Sstevel@tonic-gate * DIS_TEXT Include text for disassembly 46*7c478bd9Sstevel@tonic-gate * DIS_MEM Include memory-size calculations 47*7c478bd9Sstevel@tonic-gate * 48*7c478bd9Sstevel@tonic-gate * Either or both of these can be defined. 49*7c478bd9Sstevel@tonic-gate * 50*7c478bd9Sstevel@tonic-gate * This file is not, and will never be, cstyled. If anything, the tables should 51*7c478bd9Sstevel@tonic-gate * be taken out another tab stop or two so nothing overlaps. 52*7c478bd9Sstevel@tonic-gate */ 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate /* 55*7c478bd9Sstevel@tonic-gate * These functions must be provided for the consumer to do disassembly. 56*7c478bd9Sstevel@tonic-gate */ 57*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 58*7c478bd9Sstevel@tonic-gate extern char *strncpy(char *, const char *, size_t); 59*7c478bd9Sstevel@tonic-gate extern size_t strlen(const char *); 60*7c478bd9Sstevel@tonic-gate extern int strcmp(const char *, const char *); 61*7c478bd9Sstevel@tonic-gate extern int strncmp(const char *, const char *, size_t); 62*7c478bd9Sstevel@tonic-gate extern size_t strlcat(char *, const char *, size_t); 63*7c478bd9Sstevel@tonic-gate #endif 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate #define TERM 0 /* used to indicate that the 'indirect' */ 67*7c478bd9Sstevel@tonic-gate /* field terminates - no pointer. */ 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate /* Used to decode instructions. */ 70*7c478bd9Sstevel@tonic-gate typedef struct instable { 71*7c478bd9Sstevel@tonic-gate struct instable *it_indirect; /* for decode op codes */ 72*7c478bd9Sstevel@tonic-gate uchar_t it_adrmode; 73*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 74*7c478bd9Sstevel@tonic-gate char it_name[NCPS]; 75*7c478bd9Sstevel@tonic-gate uint_t it_suffix:1; /* mneu + "w", "l", or "d" */ 76*7c478bd9Sstevel@tonic-gate #endif 77*7c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 78*7c478bd9Sstevel@tonic-gate uint_t it_size:16; 79*7c478bd9Sstevel@tonic-gate #endif 80*7c478bd9Sstevel@tonic-gate uint_t it_invalid64:1; /* opcode invalid in amd64 */ 81*7c478bd9Sstevel@tonic-gate uint_t it_always64:1; /* 64 bit when in 64 bit mode */ 82*7c478bd9Sstevel@tonic-gate uint_t it_invalid32:1; /* invalid in IA32 */ 83*7c478bd9Sstevel@tonic-gate uint_t it_stackop:1; /* push/pop stack operation */ 84*7c478bd9Sstevel@tonic-gate } instable_t; 85*7c478bd9Sstevel@tonic-gate 86*7c478bd9Sstevel@tonic-gate /* 87*7c478bd9Sstevel@tonic-gate * Instruction formats. 88*7c478bd9Sstevel@tonic-gate */ 89*7c478bd9Sstevel@tonic-gate enum { 90*7c478bd9Sstevel@tonic-gate UNKNOWN, 91*7c478bd9Sstevel@tonic-gate MRw, 92*7c478bd9Sstevel@tonic-gate IMlw, 93*7c478bd9Sstevel@tonic-gate IMw, 94*7c478bd9Sstevel@tonic-gate IR, 95*7c478bd9Sstevel@tonic-gate OA, 96*7c478bd9Sstevel@tonic-gate AO, 97*7c478bd9Sstevel@tonic-gate MS, 98*7c478bd9Sstevel@tonic-gate SM, 99*7c478bd9Sstevel@tonic-gate Mv, 100*7c478bd9Sstevel@tonic-gate Mw, 101*7c478bd9Sstevel@tonic-gate M, /* register or memory */ 102*7c478bd9Sstevel@tonic-gate Mb, /* register or memory, always byte sized */ 103*7c478bd9Sstevel@tonic-gate MO, /* memory only (no registers) */ 104*7c478bd9Sstevel@tonic-gate PREF, 105*7c478bd9Sstevel@tonic-gate SWAPGS, 106*7c478bd9Sstevel@tonic-gate R, 107*7c478bd9Sstevel@tonic-gate RA, 108*7c478bd9Sstevel@tonic-gate SEG, 109*7c478bd9Sstevel@tonic-gate MR, 110*7c478bd9Sstevel@tonic-gate RM, 111*7c478bd9Sstevel@tonic-gate IA, 112*7c478bd9Sstevel@tonic-gate MA, 113*7c478bd9Sstevel@tonic-gate SD, 114*7c478bd9Sstevel@tonic-gate AD, 115*7c478bd9Sstevel@tonic-gate SA, 116*7c478bd9Sstevel@tonic-gate D, 117*7c478bd9Sstevel@tonic-gate INM, 118*7c478bd9Sstevel@tonic-gate SO, 119*7c478bd9Sstevel@tonic-gate BD, 120*7c478bd9Sstevel@tonic-gate I, 121*7c478bd9Sstevel@tonic-gate P, 122*7c478bd9Sstevel@tonic-gate V, 123*7c478bd9Sstevel@tonic-gate DSHIFT, /* for double shift that has an 8-bit immediate */ 124*7c478bd9Sstevel@tonic-gate U, 125*7c478bd9Sstevel@tonic-gate OVERRIDE, 126*7c478bd9Sstevel@tonic-gate NORM, /* instructions w/o ModR/M byte, no memory access */ 127*7c478bd9Sstevel@tonic-gate IMPLMEM, /* instructions w/o ModR/M byte, implicit mem access */ 128*7c478bd9Sstevel@tonic-gate O, /* for call */ 129*7c478bd9Sstevel@tonic-gate JTAB, /* jump table */ 130*7c478bd9Sstevel@tonic-gate IMUL, /* for 186 iimul instr */ 131*7c478bd9Sstevel@tonic-gate CBW, /* so data16 can be evaluated for cbw and variants */ 132*7c478bd9Sstevel@tonic-gate MvI, /* for 186 logicals */ 133*7c478bd9Sstevel@tonic-gate ENTER, /* for 186 enter instr */ 134*7c478bd9Sstevel@tonic-gate RMw, /* for 286 arpl instr */ 135*7c478bd9Sstevel@tonic-gate Ib, /* for push immediate byte */ 136*7c478bd9Sstevel@tonic-gate F, /* for 287 instructions */ 137*7c478bd9Sstevel@tonic-gate FF, /* for 287 instructions */ 138*7c478bd9Sstevel@tonic-gate FFC, /* for 287 instructions */ 139*7c478bd9Sstevel@tonic-gate DM, /* 16-bit data */ 140*7c478bd9Sstevel@tonic-gate AM, /* 16-bit addr */ 141*7c478bd9Sstevel@tonic-gate LSEG, /* for 3-bit seg reg encoding */ 142*7c478bd9Sstevel@tonic-gate MIb, /* for 386 logicals */ 143*7c478bd9Sstevel@tonic-gate SREG, /* for 386 special registers */ 144*7c478bd9Sstevel@tonic-gate PREFIX, /* a REP instruction prefix */ 145*7c478bd9Sstevel@tonic-gate LOCK, /* a LOCK instruction prefix */ 146*7c478bd9Sstevel@tonic-gate INT3, /* The int 3 instruction, which has a fake operand */ 147*7c478bd9Sstevel@tonic-gate INTx, /* The normal int instruction, with explicit int num */ 148*7c478bd9Sstevel@tonic-gate DSHIFTcl, /* for double shift that implicitly uses %cl */ 149*7c478bd9Sstevel@tonic-gate CWD, /* so data16 can be evaluated for cwd and variants */ 150*7c478bd9Sstevel@tonic-gate RET, /* single immediate 16-bit operand */ 151*7c478bd9Sstevel@tonic-gate MOVZ, /* for movs and movz, with different size operands */ 152*7c478bd9Sstevel@tonic-gate XADDB, /* for xaddb */ 153*7c478bd9Sstevel@tonic-gate MOVSXZ, /* AMD64 mov sign extend 32 to 64 bit instruction */ 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate /* 156*7c478bd9Sstevel@tonic-gate * MMX/SIMD addressing modes. 157*7c478bd9Sstevel@tonic-gate */ 158*7c478bd9Sstevel@tonic-gate 159*7c478bd9Sstevel@tonic-gate MMO, /* Prefixable MMX/SIMD-Int mm/mem -> mm */ 160*7c478bd9Sstevel@tonic-gate MMOIMPL, /* Prefixable MMX/SIMD-Int mm -> mm (mem) */ 161*7c478bd9Sstevel@tonic-gate MMO3P, /* Prefixable MMX/SIMD-Int mm -> r32,imm8 */ 162*7c478bd9Sstevel@tonic-gate MMOM3, /* Prefixable MMX/SIMD-Int mm -> r32 */ 163*7c478bd9Sstevel@tonic-gate MMOS, /* Prefixable MMX/SIMD-Int mm -> mm/mem */ 164*7c478bd9Sstevel@tonic-gate MMOMS, /* Prefixable MMX/SIMD-Int mm -> mem */ 165*7c478bd9Sstevel@tonic-gate MMOPM, /* MMX/SIMD-Int mm/mem -> mm,imm8 */ 166*7c478bd9Sstevel@tonic-gate MMOPRM, /* Prefixable MMX/SIMD-Int r32/mem -> mm,imm8 */ 167*7c478bd9Sstevel@tonic-gate MMOSH, /* Prefixable MMX mm,imm8 */ 168*7c478bd9Sstevel@tonic-gate MM, /* MMX/SIMD-Int mm/mem -> mm */ 169*7c478bd9Sstevel@tonic-gate MMS, /* MMX/SIMD-Int mm -> mm/mem */ 170*7c478bd9Sstevel@tonic-gate MMSH, /* MMX mm,imm8 */ 171*7c478bd9Sstevel@tonic-gate XMMO, /* Prefixable SIMD xmm/mem -> xmm */ 172*7c478bd9Sstevel@tonic-gate XMMOS, /* Prefixable SIMD xmm -> xmm/mem */ 173*7c478bd9Sstevel@tonic-gate XMMOPM, /* Prefixable SIMD xmm/mem w/to xmm,imm8 */ 174*7c478bd9Sstevel@tonic-gate XMMOMX, /* Prefixable SIMD mm/mem -> xmm */ 175*7c478bd9Sstevel@tonic-gate XMMOX3, /* Prefixable SIMD xmm -> r32 */ 176*7c478bd9Sstevel@tonic-gate XMMOXMM, /* Prefixable SIMD xmm/mem -> mm */ 177*7c478bd9Sstevel@tonic-gate XMMOM, /* Prefixable SIMD xmm -> mem */ 178*7c478bd9Sstevel@tonic-gate XMMOMS, /* Prefixable SIMD mem -> xmm */ 179*7c478bd9Sstevel@tonic-gate XMM, /* SIMD xmm/mem -> xmm */ 180*7c478bd9Sstevel@tonic-gate XMMXIMPL, /* SIMD xmm -> xmm (mem) */ 181*7c478bd9Sstevel@tonic-gate XMM3P, /* SIMD xmm -> r32,imm8 */ 182*7c478bd9Sstevel@tonic-gate XMMP, /* SIMD xmm/mem w/to xmm,imm8 */ 183*7c478bd9Sstevel@tonic-gate XMMPRM, /* SIMD r32/mem -> xmm,imm8 */ 184*7c478bd9Sstevel@tonic-gate XMMS, /* SIMD xmm -> xmm/mem */ 185*7c478bd9Sstevel@tonic-gate XMMM, /* SIMD mem -> xmm */ 186*7c478bd9Sstevel@tonic-gate XMMMS, /* SIMD xmm -> mem */ 187*7c478bd9Sstevel@tonic-gate XMM3MX, /* SIMD r32/mem -> xmm */ 188*7c478bd9Sstevel@tonic-gate XMM3MXS, /* SIMD xmm -> r32/mem */ 189*7c478bd9Sstevel@tonic-gate XMMSH, /* SIMD xmm,imm8 */ 190*7c478bd9Sstevel@tonic-gate XMMXM3, /* SIMD xmm/mem -> r32 */ 191*7c478bd9Sstevel@tonic-gate XMMX3, /* SIMD xmm -> r32 */ 192*7c478bd9Sstevel@tonic-gate XMMXMM, /* SIMD xmm/mem -> mm */ 193*7c478bd9Sstevel@tonic-gate XMMMX, /* SIMD mm -> xmm */ 194*7c478bd9Sstevel@tonic-gate XMMXM, /* SIMD xmm -> mm */ 195*7c478bd9Sstevel@tonic-gate XMMFENCE, /* SIMD lfence or mfence */ 196*7c478bd9Sstevel@tonic-gate XMMSFNC /* SIMD sfence (none or mem) */ 197*7c478bd9Sstevel@tonic-gate }; 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate #define FILL 0x90 /* Fill byte used for alignment (nop) */ 200*7c478bd9Sstevel@tonic-gate 201*7c478bd9Sstevel@tonic-gate /* 202*7c478bd9Sstevel@tonic-gate ** Register numbers for the i386 203*7c478bd9Sstevel@tonic-gate */ 204*7c478bd9Sstevel@tonic-gate #define EAX_REGNO 0 205*7c478bd9Sstevel@tonic-gate #define ECX_REGNO 1 206*7c478bd9Sstevel@tonic-gate #define EDX_REGNO 2 207*7c478bd9Sstevel@tonic-gate #define EBX_REGNO 3 208*7c478bd9Sstevel@tonic-gate #define ESP_REGNO 4 209*7c478bd9Sstevel@tonic-gate #define EBP_REGNO 5 210*7c478bd9Sstevel@tonic-gate #define ESI_REGNO 6 211*7c478bd9Sstevel@tonic-gate #define EDI_REGNO 7 212*7c478bd9Sstevel@tonic-gate 213*7c478bd9Sstevel@tonic-gate /* 214*7c478bd9Sstevel@tonic-gate * modes for immediate values 215*7c478bd9Sstevel@tonic-gate */ 216*7c478bd9Sstevel@tonic-gate #define MODE_NONE 0 217*7c478bd9Sstevel@tonic-gate #define MODE_IPREL 1 /* signed IP relative value */ 218*7c478bd9Sstevel@tonic-gate #define MODE_SIGNED 2 /* sign extended immediate */ 219*7c478bd9Sstevel@tonic-gate #define MODE_IMPLIED 3 /* constant value implied from opcode */ 220*7c478bd9Sstevel@tonic-gate #define MODE_OFFSET 4 /* offset part of an address */ 221*7c478bd9Sstevel@tonic-gate 222*7c478bd9Sstevel@tonic-gate /* 223*7c478bd9Sstevel@tonic-gate * The letters used in these macros are: 224*7c478bd9Sstevel@tonic-gate * IND - indirect to another to another table 225*7c478bd9Sstevel@tonic-gate * "T" - means to Terminate indirections (this is the final opcode) 226*7c478bd9Sstevel@tonic-gate * "S" - means "operand length suffix required" 227*7c478bd9Sstevel@tonic-gate * "NS" - means "no suffix" which is the operand length suffix of the opcode 228*7c478bd9Sstevel@tonic-gate * "Z" - means instruction size arg required 229*7c478bd9Sstevel@tonic-gate * "u" - means the opcode is invalid in IA32 but valid in amd64 230*7c478bd9Sstevel@tonic-gate * "x" - means the opcode is invalid in amd64, but not IA32 231*7c478bd9Sstevel@tonic-gate * "y" - means the operand size is always 64 bits in 64 bit mode 232*7c478bd9Sstevel@tonic-gate * "p" - means push/pop stack operation 233*7c478bd9Sstevel@tonic-gate */ 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate #if defined(DIS_TEXT) && defined(DIS_MEM) 236*7c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0} 237*7c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0} 238*7c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0, 0} 239*7c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 0, 1, 0} 240*7c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0, 0} 241*7c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 0} 242*7c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 1} 243*7c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0} 244*7c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, sz, 0, 1, 0, 0} 245*7c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 0} 246*7c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0, 0} 247*7c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 0, 1, 0, 0} 248*7c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 1} 249*7c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0} 250*7c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, sz, 1, 0, 0, 0} 251*7c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, sz, 0, 1, 0, 0} 252*7c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 253*7c478bd9Sstevel@tonic-gate #elif defined(DIS_TEXT) 254*7c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0} 255*7c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 1, 0, 0, 0} 256*7c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0} 257*7c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0} 258*7c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 1, 0, 0, 0} 259*7c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0} 260*7c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 1, 0, 1} 261*7c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0} 262*7c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, 0, 1, 0, 0} 263*7c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0} 264*7c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 1, 0, 0, 0} 265*7c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0} 266*7c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 1} 267*7c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0} 268*7c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, 1, 0, 0, 0} 269*7c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, 0, 1, 0, 0} 270*7c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 271*7c478bd9Sstevel@tonic-gate #elif defined(DIS_MEM) 272*7c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0, 0} 273*7c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 0, 1, 0, 0, 0} 274*7c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 275*7c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 0, 1, 0} 276*7c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 277*7c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 0, 1, 0, 1} 278*7c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 279*7c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 280*7c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 281*7c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 282*7c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 283*7c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 284*7c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 0, 1} 285*7c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 286*7c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, sz, 1, 0, 0, 0} 287*7c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 288*7c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0, 0} 289*7c478bd9Sstevel@tonic-gate #else 290*7c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0} 291*7c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 1, 0, 0, 0} 292*7c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0} 293*7c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 1, 0} 294*7c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 1, 0, 0} 295*7c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 1, 0, 1} 296*7c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 1, 0, 0, 0} 297*7c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 298*7c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 299*7c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0} 300*7c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 1, 0, 0, 0} 301*7c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 1, 0, 0} 302*7c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 1} 303*7c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 304*7c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, 1, 0, 0, 0} 305*7c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 306*7c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0} 307*7c478bd9Sstevel@tonic-gate #endif 308*7c478bd9Sstevel@tonic-gate 309*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 310*7c478bd9Sstevel@tonic-gate /* 311*7c478bd9Sstevel@tonic-gate * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode 312*7c478bd9Sstevel@tonic-gate */ 313*7c478bd9Sstevel@tonic-gate const char *const dis_addr16[3][8] = { 314*7c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "", 315*7c478bd9Sstevel@tonic-gate "(%bx)", 316*7c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)", 317*7c478bd9Sstevel@tonic-gate "(%bx)", 318*7c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)", 319*7c478bd9Sstevel@tonic-gate "(%bx)", 320*7c478bd9Sstevel@tonic-gate }; 321*7c478bd9Sstevel@tonic-gate 322*7c478bd9Sstevel@tonic-gate 323*7c478bd9Sstevel@tonic-gate /* 324*7c478bd9Sstevel@tonic-gate * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2 325*7c478bd9Sstevel@tonic-gate */ 326*7c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode0[16] = { 327*7c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "", "(%esi)", "(%edi)", 328*7c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "", "(%r14d)", "(%r15d)" 329*7c478bd9Sstevel@tonic-gate }; 330*7c478bd9Sstevel@tonic-gate 331*7c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode12[16] = { 332*7c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "(%ebp)", "(%esi)", "(%edi)", 333*7c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)" 334*7c478bd9Sstevel@tonic-gate }; 335*7c478bd9Sstevel@tonic-gate 336*7c478bd9Sstevel@tonic-gate /* 337*7c478bd9Sstevel@tonic-gate * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2 338*7c478bd9Sstevel@tonic-gate */ 339*7c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode0[16] = { 340*7c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rip)", "(%rsi)", "(%rdi)", 341*7c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)" 342*7c478bd9Sstevel@tonic-gate }; 343*7c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode12[16] = { 344*7c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rbp)", "(%rsi)", "(%rdi)", 345*7c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)" 346*7c478bd9Sstevel@tonic-gate }; 347*7c478bd9Sstevel@tonic-gate 348*7c478bd9Sstevel@tonic-gate /* 349*7c478bd9Sstevel@tonic-gate * decode for scale from SIB byte 350*7c478bd9Sstevel@tonic-gate */ 351*7c478bd9Sstevel@tonic-gate const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" }; 352*7c478bd9Sstevel@tonic-gate 353*7c478bd9Sstevel@tonic-gate /* 354*7c478bd9Sstevel@tonic-gate * register decoding for normal references to registers (ie. not addressing) 355*7c478bd9Sstevel@tonic-gate */ 356*7c478bd9Sstevel@tonic-gate const char *const dis_REG8[16] = { 357*7c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 358*7c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 359*7c478bd9Sstevel@tonic-gate }; 360*7c478bd9Sstevel@tonic-gate 361*7c478bd9Sstevel@tonic-gate const char *const dis_REG8_REX[16] = { 362*7c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 363*7c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 364*7c478bd9Sstevel@tonic-gate }; 365*7c478bd9Sstevel@tonic-gate 366*7c478bd9Sstevel@tonic-gate const char *const dis_REG16[16] = { 367*7c478bd9Sstevel@tonic-gate "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 368*7c478bd9Sstevel@tonic-gate "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" 369*7c478bd9Sstevel@tonic-gate }; 370*7c478bd9Sstevel@tonic-gate 371*7c478bd9Sstevel@tonic-gate const char *const dis_REG32[16] = { 372*7c478bd9Sstevel@tonic-gate "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 373*7c478bd9Sstevel@tonic-gate "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" 374*7c478bd9Sstevel@tonic-gate }; 375*7c478bd9Sstevel@tonic-gate 376*7c478bd9Sstevel@tonic-gate const char *const dis_REG64[16] = { 377*7c478bd9Sstevel@tonic-gate "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 378*7c478bd9Sstevel@tonic-gate "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" 379*7c478bd9Sstevel@tonic-gate }; 380*7c478bd9Sstevel@tonic-gate 381*7c478bd9Sstevel@tonic-gate const char *const dis_DEBUGREG[16] = { 382*7c478bd9Sstevel@tonic-gate "%db0", "%db1", "%db2", "%db3", "%db4", "%db5", "%db6", "%db7", 383*7c478bd9Sstevel@tonic-gate "%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15" 384*7c478bd9Sstevel@tonic-gate }; 385*7c478bd9Sstevel@tonic-gate 386*7c478bd9Sstevel@tonic-gate const char *const dis_CONTROLREG[16] = { 387*7c478bd9Sstevel@tonic-gate "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?", 388*7c478bd9Sstevel@tonic-gate "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?" 389*7c478bd9Sstevel@tonic-gate }; 390*7c478bd9Sstevel@tonic-gate 391*7c478bd9Sstevel@tonic-gate const char *const dis_TESTREG[16] = { 392*7c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7", 393*7c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7" 394*7c478bd9Sstevel@tonic-gate }; 395*7c478bd9Sstevel@tonic-gate 396*7c478bd9Sstevel@tonic-gate const char *const dis_MMREG[16] = { 397*7c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7", 398*7c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7" 399*7c478bd9Sstevel@tonic-gate }; 400*7c478bd9Sstevel@tonic-gate 401*7c478bd9Sstevel@tonic-gate const char *const dis_XMMREG[16] = { 402*7c478bd9Sstevel@tonic-gate "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", 403*7c478bd9Sstevel@tonic-gate "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15" 404*7c478bd9Sstevel@tonic-gate }; 405*7c478bd9Sstevel@tonic-gate 406*7c478bd9Sstevel@tonic-gate const char *const dis_SEGREG[16] = { 407*7c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>", 408*7c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>" 409*7c478bd9Sstevel@tonic-gate }; 410*7c478bd9Sstevel@tonic-gate 411*7c478bd9Sstevel@tonic-gate /* 412*7c478bd9Sstevel@tonic-gate * SIMD predicate suffixes 413*7c478bd9Sstevel@tonic-gate */ 414*7c478bd9Sstevel@tonic-gate const char *const dis_PREDSUFFIX[8] = { 415*7c478bd9Sstevel@tonic-gate "eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord" 416*7c478bd9Sstevel@tonic-gate }; 417*7c478bd9Sstevel@tonic-gate 418*7c478bd9Sstevel@tonic-gate 419*7c478bd9Sstevel@tonic-gate 420*7c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 421*7c478bd9Sstevel@tonic-gate 422*7c478bd9Sstevel@tonic-gate 423*7c478bd9Sstevel@tonic-gate 424*7c478bd9Sstevel@tonic-gate 425*7c478bd9Sstevel@tonic-gate /* 426*7c478bd9Sstevel@tonic-gate * "decode table" for 64 bit mode MOVSXD instruction (opcode 0x63) 427*7c478bd9Sstevel@tonic-gate */ 428*7c478bd9Sstevel@tonic-gate const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ); 429*7c478bd9Sstevel@tonic-gate 430*7c478bd9Sstevel@tonic-gate /* 431*7c478bd9Sstevel@tonic-gate * "decode table" for pause and clflush instructions 432*7c478bd9Sstevel@tonic-gate */ 433*7c478bd9Sstevel@tonic-gate const instable_t dis_opPause = TNS("pause", NORM); 434*7c478bd9Sstevel@tonic-gate 435*7c478bd9Sstevel@tonic-gate /* 436*7c478bd9Sstevel@tonic-gate * Decode table for 0x0F00 opcodes 437*7c478bd9Sstevel@tonic-gate */ 438*7c478bd9Sstevel@tonic-gate const instable_t dis_op0F00[8] = { 439*7c478bd9Sstevel@tonic-gate 440*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("sldt",M), TNS("str",M), TNSy("lldt",M), TNSy("ltr",M), 441*7c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("verr",M,2), TNSZ("verw",M,2), INVALID, INVALID, 442*7c478bd9Sstevel@tonic-gate }; 443*7c478bd9Sstevel@tonic-gate 444*7c478bd9Sstevel@tonic-gate 445*7c478bd9Sstevel@tonic-gate /* 446*7c478bd9Sstevel@tonic-gate * Decode table for 0x0F01 opcodes 447*7c478bd9Sstevel@tonic-gate */ 448*7c478bd9Sstevel@tonic-gate const instable_t dis_op0F01[8] = { 449*7c478bd9Sstevel@tonic-gate 450*7c478bd9Sstevel@tonic-gate /* [0] */ TNSZ("sgdt",MO,6), TNSZ("sidt",MO,6), TNSZ("lgdt",MO,6), TNSZ("lidt",MO,6), 451*7c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("smsw",M,2), INVALID, TNSZ("lmsw",M,2), TNS("invlpg",SWAPGS), 452*7c478bd9Sstevel@tonic-gate }; 453*7c478bd9Sstevel@tonic-gate 454*7c478bd9Sstevel@tonic-gate /* 455*7c478bd9Sstevel@tonic-gate * Decode table for 0x0F18 opcodes -- SIMD prefetch 456*7c478bd9Sstevel@tonic-gate */ 457*7c478bd9Sstevel@tonic-gate const instable_t dis_op0F18[8] = { 458*7c478bd9Sstevel@tonic-gate 459*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("prefetchnta",PREF),TNS("prefetcht0",PREF), TNS("prefetcht1",PREF), TNS("prefetcht2",PREF), 460*7c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 461*7c478bd9Sstevel@tonic-gate }; 462*7c478bd9Sstevel@tonic-gate 463*7c478bd9Sstevel@tonic-gate /* 464*7c478bd9Sstevel@tonic-gate * Decode table for 0x0FAE opcodes -- SIMD state save/restore 465*7c478bd9Sstevel@tonic-gate */ 466*7c478bd9Sstevel@tonic-gate const instable_t dis_op0FAE[8] = { 467*7c478bd9Sstevel@tonic-gate /* [0] */ TNSZ("fxsave",M,512), TNSZ("fxrstor",M,512), TNS("ldmxcsr",M), TNS("stmxcsr",M), 468*7c478bd9Sstevel@tonic-gate /* [4] */ INVALID, TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE), TNS("sfence",XMMSFNC), 469*7c478bd9Sstevel@tonic-gate }; 470*7c478bd9Sstevel@tonic-gate 471*7c478bd9Sstevel@tonic-gate /* 472*7c478bd9Sstevel@tonic-gate * Decode table for 0x0FBA opcodes 473*7c478bd9Sstevel@tonic-gate */ 474*7c478bd9Sstevel@tonic-gate 475*7c478bd9Sstevel@tonic-gate const instable_t dis_op0FBA[8] = { 476*7c478bd9Sstevel@tonic-gate 477*7c478bd9Sstevel@tonic-gate /* [0] */ INVALID, INVALID, INVALID, INVALID, 478*7c478bd9Sstevel@tonic-gate /* [4] */ TS("bt",MIb), TS("bts",MIb), TS("btr",MIb), TS("btc",MIb), 479*7c478bd9Sstevel@tonic-gate }; 480*7c478bd9Sstevel@tonic-gate 481*7c478bd9Sstevel@tonic-gate /* 482*7c478bd9Sstevel@tonic-gate * Decode table for 0x0FC7 opcode 483*7c478bd9Sstevel@tonic-gate */ 484*7c478bd9Sstevel@tonic-gate 485*7c478bd9Sstevel@tonic-gate const instable_t dis_op0FC7[8] = { 486*7c478bd9Sstevel@tonic-gate 487*7c478bd9Sstevel@tonic-gate /* [0] */ INVALID, TNS("cmpxchg8b",M), INVALID, INVALID, 488*7c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 489*7c478bd9Sstevel@tonic-gate }; 490*7c478bd9Sstevel@tonic-gate 491*7c478bd9Sstevel@tonic-gate 492*7c478bd9Sstevel@tonic-gate /* 493*7c478bd9Sstevel@tonic-gate * Decode table for 0x0FC8 opcode -- 486 bswap instruction 494*7c478bd9Sstevel@tonic-gate * 495*7c478bd9Sstevel@tonic-gate *bit pattern: 0000 1111 1100 1reg 496*7c478bd9Sstevel@tonic-gate */ 497*7c478bd9Sstevel@tonic-gate const instable_t dis_op0FC8[4] = { 498*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("bswap",R), INVALID, INVALID, INVALID, 499*7c478bd9Sstevel@tonic-gate }; 500*7c478bd9Sstevel@tonic-gate 501*7c478bd9Sstevel@tonic-gate /* 502*7c478bd9Sstevel@tonic-gate * Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions 503*7c478bd9Sstevel@tonic-gate */ 504*7c478bd9Sstevel@tonic-gate const instable_t dis_op0F7123[4][8] = { 505*7c478bd9Sstevel@tonic-gate { 506*7c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 507*7c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 508*7c478bd9Sstevel@tonic-gate }, { 509*7c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",MMOSH), INVALID, 510*7c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",MMOSH), INVALID, TNS("psllw",MMOSH), INVALID, 511*7c478bd9Sstevel@tonic-gate }, { 512*7c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",MMOSH), INVALID, 513*7c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",MMOSH), INVALID, TNS("pslld",MMOSH), INVALID, 514*7c478bd9Sstevel@tonic-gate }, { 515*7c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",MMOSH), TNS("INVALID",MMOSH), 516*7c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",MMOSH), TNS("INVALID",MMOSH), 517*7c478bd9Sstevel@tonic-gate } }; 518*7c478bd9Sstevel@tonic-gate 519*7c478bd9Sstevel@tonic-gate /* 520*7c478bd9Sstevel@tonic-gate * Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes. 521*7c478bd9Sstevel@tonic-gate */ 522*7c478bd9Sstevel@tonic-gate const instable_t dis_opSIMD7123[32] = { 523*7c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 524*7c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 525*7c478bd9Sstevel@tonic-gate 526*7c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",XMMSH), INVALID, 527*7c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",XMMSH), INVALID, TNS("psllw",XMMSH), INVALID, 528*7c478bd9Sstevel@tonic-gate 529*7c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",XMMSH), INVALID, 530*7c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",XMMSH), INVALID, TNS("pslld",XMMSH), INVALID, 531*7c478bd9Sstevel@tonic-gate 532*7c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",XMMSH), TNS("psrldq",XMMSH), 533*7c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",XMMSH), TNS("pslldq",XMMSH), 534*7c478bd9Sstevel@tonic-gate }; 535*7c478bd9Sstevel@tonic-gate 536*7c478bd9Sstevel@tonic-gate /* 537*7c478bd9Sstevel@tonic-gate * SIMD instructions have been wedged into the existing IA32 instruction 538*7c478bd9Sstevel@tonic-gate * set through the use of prefixes. That is, while 0xf0 0x58 may be 539*7c478bd9Sstevel@tonic-gate * addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different 540*7c478bd9Sstevel@tonic-gate * instruction - addss. At present, three prefixes have been coopted in 541*7c478bd9Sstevel@tonic-gate * this manner - address size (0x66), repnz (0xf2) and repz (0xf3). The 542*7c478bd9Sstevel@tonic-gate * following tables are used to provide the prefixed instruction names. 543*7c478bd9Sstevel@tonic-gate * The arrays are sparse, but they're fast. 544*7c478bd9Sstevel@tonic-gate */ 545*7c478bd9Sstevel@tonic-gate 546*7c478bd9Sstevel@tonic-gate /* 547*7c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the address size (0x66) prefix. 548*7c478bd9Sstevel@tonic-gate */ 549*7c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDdata16[256] = { 550*7c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 551*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 552*7c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 553*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 554*7c478bd9Sstevel@tonic-gate 555*7c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movupd",XMM,16), TNSZ("movupd",XMMS,16), TNSZ("movlpd",XMMM,8), TNSZ("movlpd",XMMMS,8), 556*7c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8), TNSZ("movhpd",XMMMS,8), 557*7c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 558*7c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 559*7c478bd9Sstevel@tonic-gate 560*7c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 561*7c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 562*7c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movapd",XMM,16), TNSZ("movapd",XMMS,16), TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16), 563*7c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8), 564*7c478bd9Sstevel@tonic-gate 565*7c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 566*7c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 567*7c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 568*7c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 569*7c478bd9Sstevel@tonic-gate 570*7c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 571*7c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 572*7c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 573*7c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 574*7c478bd9Sstevel@tonic-gate 575*7c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskpd",XMMOX3), TNSZ("sqrtpd",XMM,16), INVALID, INVALID, 576*7c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andpd",XMM,16), TNSZ("andnpd",XMM,16), TNSZ("orpd",XMM,16), TNSZ("xorpd",XMM,16), 577*7c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addpd",XMM,16), TNSZ("mulpd",XMM,16), TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16), 578*7c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subpd",XMM,16), TNSZ("minpd",XMM,16), TNSZ("divpd",XMM,16), TNSZ("maxpd",XMM,16), 579*7c478bd9Sstevel@tonic-gate 580*7c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16), 581*7c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",XMM,16), TNSZ("pcmpgtw",XMM,16), TNSZ("pcmpgtd",XMM,16), TNSZ("packuswb",XMM,16), 582*7c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16), 583*7c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16), 584*7c478bd9Sstevel@tonic-gate 585*7c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufd",XMMP,16), INVALID, INVALID, INVALID, 586*7c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",XMM,16), TNSZ("pcmpeqw",XMM,16), TNSZ("pcmpeqd",XMM,16), INVALID, 587*7c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 588*7c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",XMM3MXS,4), TNSZ("movdqa",XMMS,16), 589*7c478bd9Sstevel@tonic-gate 590*7c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 591*7c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 592*7c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 593*7c478bd9Sstevel@tonic-gate /* [8C] */ INVALID, INVALID, INVALID, INVALID, 594*7c478bd9Sstevel@tonic-gate 595*7c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 596*7c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 597*7c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 598*7c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 599*7c478bd9Sstevel@tonic-gate 600*7c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 601*7c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 602*7c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 603*7c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 604*7c478bd9Sstevel@tonic-gate 605*7c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 606*7c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 607*7c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 608*7c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 609*7c478bd9Sstevel@tonic-gate 610*7c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmppd",XMMP,16), INVALID, 611*7c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P), TNSZ("shufpd",XMMP,16), INVALID, 612*7c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 613*7c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 614*7c478bd9Sstevel@tonic-gate 615*7c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",XMM,16), TNSZ("psrld",XMM,16), TNSZ("psrlq",XMM,16), 616*7c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",XMM,16), TNSZ("pmullw",XMM,16), TNSZ("movq",XMMS,8), TNS("pmovmskb",XMMX3), 617*7c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",XMM,16), TNSZ("psubusw",XMM,16), TNSZ("pminub",XMM,16), TNSZ("pand",XMM,16), 618*7c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",XMM,16), TNSZ("paddusw",XMM,16), TNSZ("pmaxub",XMM,16), TNSZ("pandn",XMM,16), 619*7c478bd9Sstevel@tonic-gate 620*7c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",XMM,16), TNSZ("psraw",XMM,16), TNSZ("psrad",XMM,16), TNSZ("pavgw",XMM,16), 621*7c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",XMM,16), TNSZ("pmulhw",XMM,16), TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16), 622*7c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",XMM,16), TNSZ("psubsw",XMM,16), TNSZ("pminsw",XMM,16), TNSZ("por",XMM,16), 623*7c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",XMM,16), TNSZ("paddsw",XMM,16), TNSZ("pmaxsw",XMM,16), TNSZ("pxor",XMM,16), 624*7c478bd9Sstevel@tonic-gate 625*7c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",XMM,16), TNSZ("pslld",XMM,16), TNSZ("psllq",XMM,16), 626*7c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",XMM,16), TNSZ("pmaddwd",XMM,16), TNSZ("psadbw",XMM,16), TNSZ("maskmovdqu", XMMXIMPL,16), 627*7c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",XMM,16), TNSZ("psubw",XMM,16), TNSZ("psubd",XMM,16), TNSZ("psubq",XMM,16), 628*7c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",XMM,16), TNSZ("paddw",XMM,16), TNSZ("paddd",XMM,16), INVALID, 629*7c478bd9Sstevel@tonic-gate }; 630*7c478bd9Sstevel@tonic-gate 631*7c478bd9Sstevel@tonic-gate /* 632*7c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repnz (0xf2) prefix. 633*7c478bd9Sstevel@tonic-gate */ 634*7c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepnz[256] = { 635*7c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 636*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 637*7c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 638*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 639*7c478bd9Sstevel@tonic-gate 640*7c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movsd",XMM,8), TNSZ("movsd",XMMS,8), INVALID, INVALID, 641*7c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 642*7c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 643*7c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 644*7c478bd9Sstevel@tonic-gate 645*7c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 646*7c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 647*7c478bd9Sstevel@tonic-gate /* [28] */ INVALID, INVALID, TNSZ("cvtsi2sd",XMM3MX,4),INVALID, 648*7c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID, INVALID, 649*7c478bd9Sstevel@tonic-gate 650*7c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 651*7c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 652*7c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 653*7c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 654*7c478bd9Sstevel@tonic-gate 655*7c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 656*7c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 657*7c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 658*7c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 659*7c478bd9Sstevel@tonic-gate 660*7c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtsd",XMM,8), INVALID, INVALID, 661*7c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 662*7c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addsd",XMM,8), TNSZ("mulsd",XMM,8), TNSZ("cvtsd2ss",XMM,8), INVALID, 663*7c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subsd",XMM,8), TNSZ("minsd",XMM,8), TNSZ("divsd",XMM,8), TNSZ("maxsd",XMM,8), 664*7c478bd9Sstevel@tonic-gate 665*7c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 666*7c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 667*7c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 668*7c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, INVALID, 669*7c478bd9Sstevel@tonic-gate 670*7c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshuflw",XMMP,16),INVALID, INVALID, INVALID, 671*7c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 672*7c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 673*7c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, INVALID, INVALID, 674*7c478bd9Sstevel@tonic-gate 675*7c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 676*7c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 677*7c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 678*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 679*7c478bd9Sstevel@tonic-gate 680*7c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 681*7c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 682*7c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 683*7c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 684*7c478bd9Sstevel@tonic-gate 685*7c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 686*7c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 687*7c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 688*7c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 689*7c478bd9Sstevel@tonic-gate 690*7c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 691*7c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 692*7c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 693*7c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 694*7c478bd9Sstevel@tonic-gate 695*7c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpsd",XMMP,8), INVALID, 696*7c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 697*7c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 698*7c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 699*7c478bd9Sstevel@tonic-gate 700*7c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 701*7c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movdq2q",XMMXM), INVALID, 702*7c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 703*7c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 704*7c478bd9Sstevel@tonic-gate 705*7c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 706*7c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtpd2dq",XMM,16),INVALID, 707*7c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 708*7c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 709*7c478bd9Sstevel@tonic-gate 710*7c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 711*7c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 712*7c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 713*7c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 714*7c478bd9Sstevel@tonic-gate }; 715*7c478bd9Sstevel@tonic-gate 716*7c478bd9Sstevel@tonic-gate /* 717*7c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repz (0xf3) prefix. 718*7c478bd9Sstevel@tonic-gate */ 719*7c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepz[256] = { 720*7c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 721*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 722*7c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 723*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 724*7c478bd9Sstevel@tonic-gate 725*7c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movss",XMM,4), TNSZ("movss",XMMS,4), INVALID, INVALID, 726*7c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 727*7c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 728*7c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 729*7c478bd9Sstevel@tonic-gate 730*7c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 731*7c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 732*7c478bd9Sstevel@tonic-gate /* [28] */ INVALID, INVALID, TNSZ("cvtsi2ss",XMM3MX,4),INVALID, 733*7c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID, INVALID, 734*7c478bd9Sstevel@tonic-gate 735*7c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 736*7c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 737*7c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 738*7c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 739*7c478bd9Sstevel@tonic-gate 740*7c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 741*7c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 742*7c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 743*7c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 744*7c478bd9Sstevel@tonic-gate 745*7c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtss",XMM,4), TNSZ("rsqrtss",XMM,4), TNSZ("rcpss",XMM,4), 746*7c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 747*7c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addss",XMM,4), TNSZ("mulss",XMM,4), TNSZ("cvtss2sd",XMM,4), TNSZ("cvttps2dq",XMM,16), 748*7c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subss",XMM,4), TNSZ("minss",XMM,4), TNSZ("divss",XMM,4), TNSZ("maxss",XMM,4), 749*7c478bd9Sstevel@tonic-gate 750*7c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 751*7c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 752*7c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 753*7c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, TNSZ("movdqu",XMM,16), 754*7c478bd9Sstevel@tonic-gate 755*7c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufhw",XMMP,16),INVALID, INVALID, INVALID, 756*7c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 757*7c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 758*7c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movq",XMM,8), TNSZ("movdqu",XMMS,16), 759*7c478bd9Sstevel@tonic-gate 760*7c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 761*7c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 762*7c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 763*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 764*7c478bd9Sstevel@tonic-gate 765*7c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 766*7c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 767*7c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 768*7c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 769*7c478bd9Sstevel@tonic-gate 770*7c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 771*7c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 772*7c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 773*7c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 774*7c478bd9Sstevel@tonic-gate 775*7c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 776*7c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 777*7c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 778*7c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 779*7c478bd9Sstevel@tonic-gate 780*7c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpss",XMMP,4), INVALID, 781*7c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 782*7c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 783*7c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 784*7c478bd9Sstevel@tonic-gate 785*7c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 786*7c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movq2dq",XMMMX), INVALID, 787*7c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 788*7c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 789*7c478bd9Sstevel@tonic-gate 790*7c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 791*7c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtdq2pd",XMM,8), INVALID, 792*7c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 793*7c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 794*7c478bd9Sstevel@tonic-gate 795*7c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 796*7c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 797*7c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 798*7c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 799*7c478bd9Sstevel@tonic-gate }; 800*7c478bd9Sstevel@tonic-gate 801*7c478bd9Sstevel@tonic-gate /* 802*7c478bd9Sstevel@tonic-gate * Decode table for 0x0F opcodes 803*7c478bd9Sstevel@tonic-gate */ 804*7c478bd9Sstevel@tonic-gate 805*7c478bd9Sstevel@tonic-gate const instable_t dis_op0F[16][16] = { 806*7c478bd9Sstevel@tonic-gate { 807*7c478bd9Sstevel@tonic-gate /* [00] */ IND(dis_op0F00), IND(dis_op0F01), TNS("lar",MR), TNS("lsl",MR), 808*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("syscall",NORM), TNS("clts",NORM), TNS("sysret",NORM), 809*7c478bd9Sstevel@tonic-gate /* [08] */ TNS("invd",NORM), TNS("wbinvd",NORM), INVALID, TNS("ud2",NORM), 810*7c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 811*7c478bd9Sstevel@tonic-gate }, { 812*7c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movups",XMMO,16), TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8), TNSZ("movlps",XMMOS,8), 813*7c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8), 814*7c478bd9Sstevel@tonic-gate /* [18] */ IND(dis_op0F18), INVALID, INVALID, INVALID, 815*7c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 816*7c478bd9Sstevel@tonic-gate }, { 817*7c478bd9Sstevel@tonic-gate /* [20] */ TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), 818*7c478bd9Sstevel@tonic-gate /* [24] */ TSx("mov",SREG), INVALID, TSx("mov",SREG), INVALID, 819*7c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movaps",XMMO,16), TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16), 820*7c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4), 821*7c478bd9Sstevel@tonic-gate }, { 822*7c478bd9Sstevel@tonic-gate /* [30] */ TNS("wrmsr",NORM), TNS("rdtsc",NORM), TNS("rdmsr",NORM), TNS("rdpmc",NORM), 823*7c478bd9Sstevel@tonic-gate /* [34] */ TNSx("sysenter",NORM), TNSx("sysexit",NORM), INVALID, INVALID, 824*7c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 825*7c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 826*7c478bd9Sstevel@tonic-gate }, { 827*7c478bd9Sstevel@tonic-gate /* [40] */ TS("cmovx.o",MR), TS("cmovx.no",MR), TS("cmovx.b",MR), TS("cmovx.ae",MR), 828*7c478bd9Sstevel@tonic-gate /* [44] */ TS("cmovx.e",MR), TS("cmovx.ne",MR), TS("cmovx.be",MR), TS("cmovx.a",MR), 829*7c478bd9Sstevel@tonic-gate /* [48] */ TS("cmovx.s",MR), TS("cmovx.ns",MR), TS("cmovx.pe",MR), TS("cmovx.po",MR), 830*7c478bd9Sstevel@tonic-gate /* [4C] */ TS("cmovx.l",MR), TS("cmovx.ge",MR), TS("cmovx.le",MR), TS("cmovx.g",MR), 831*7c478bd9Sstevel@tonic-gate }, { 832*7c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskps",XMMOX3), TNSZ("sqrtps",XMMO,16), TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16), 833*7c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andps",XMMO,16), TNSZ("andnps",XMMO,16), TNSZ("orps",XMMO,16), TNSZ("xorps",XMMO,16), 834*7c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addps",XMMO,16), TNSZ("mulps",XMMO,16), TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16), 835*7c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subps",XMMO,16), TNSZ("minps",XMMO,16), TNSZ("divps",XMMO,16), TNSZ("maxps",XMMO,16), 836*7c478bd9Sstevel@tonic-gate }, { 837*7c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8), 838*7c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",MMO,8), TNSZ("pcmpgtw",MMO,8), TNSZ("pcmpgtd",MMO,8), TNSZ("packuswb",MMO,8), 839*7c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8), 840*7c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("INVALID",MMO,0), TNSZ("INVALID",MMO,0), TNSZ("movd",MMO,4), TNSZ("movq",MMO,8), 841*7c478bd9Sstevel@tonic-gate }, { 842*7c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufw",MMOPM,8), TNS("psrXXX",MR), TNS("psrXXX",MR), TNS("psrXXX",MR), 843*7c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",MMO,8), TNSZ("pcmpeqw",MMO,8), TNSZ("pcmpeqd",MMO,8), TNS("emms",NORM), 844*7c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 845*7c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",MMOS,4), TNSZ("movq",MMOS,8), 846*7c478bd9Sstevel@tonic-gate }, { 847*7c478bd9Sstevel@tonic-gate /* [80] */ TNS("jo",D), TNS("jno",D), TNS("jb",D), TNS("jae",D), 848*7c478bd9Sstevel@tonic-gate /* [84] */ TNS("je",D), TNS("jne",D), TNS("jbe",D), TNS("ja",D), 849*7c478bd9Sstevel@tonic-gate /* [88] */ TNS("js",D), TNS("jns",D), TNS("jp",D), TNS("jnp",D), 850*7c478bd9Sstevel@tonic-gate /* [8C] */ TNS("jl",D), TNS("jge",D), TNS("jle",D), TNS("jg",D), 851*7c478bd9Sstevel@tonic-gate }, { 852*7c478bd9Sstevel@tonic-gate /* [90] */ TNS("seto",Mb), TNS("setno",Mb), TNS("setb",Mb), TNS("setae",Mb), 853*7c478bd9Sstevel@tonic-gate /* [94] */ TNS("sete",Mb), TNS("setne",Mb), TNS("setbe",Mb), TNS("seta",Mb), 854*7c478bd9Sstevel@tonic-gate /* [98] */ TNS("sets",Mb), TNS("setns",Mb), TNS("setp",Mb), TNS("setnp",Mb), 855*7c478bd9Sstevel@tonic-gate /* [9C] */ TNS("setl",Mb), TNS("setge",Mb), TNS("setle",Mb), TNS("setg",Mb), 856*7c478bd9Sstevel@tonic-gate }, { 857*7c478bd9Sstevel@tonic-gate /* [A0] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("cpuid",NORM), TS("bt",RMw), 858*7c478bd9Sstevel@tonic-gate /* [A4] */ TS("shld",DSHIFT), TS("shld",DSHIFTcl), INVALID, INVALID, 859*7c478bd9Sstevel@tonic-gate /* [A8] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("rsm",NORM), TS("bts",RMw), 860*7c478bd9Sstevel@tonic-gate /* [AC] */ TS("shrd",DSHIFT), TS("shrd",DSHIFTcl), IND(dis_op0FAE), TS("imul",MRw), 861*7c478bd9Sstevel@tonic-gate }, { 862*7c478bd9Sstevel@tonic-gate /* [B0] */ TNS("cmpxchgb",RMw), TS("cmpxchg",RMw), TS("lss",MR), TS("btr",RMw), 863*7c478bd9Sstevel@tonic-gate /* [B4] */ TS("lfs",MR), TS("lgs",MR), TS("movzb",MOVZ), TNS("movzwl",MOVZ), 864*7c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, IND(dis_op0FBA), TS("btc",RMw), 865*7c478bd9Sstevel@tonic-gate /* [BC] */ TS("bsf",MRw), TS("bsr",MRw), TS("movsb",MOVZ), TNS("movswl",MOVZ), 866*7c478bd9Sstevel@tonic-gate }, { 867*7c478bd9Sstevel@tonic-gate /* [C0] */ TNS("xaddb",XADDB), TS("xadd",RMw), TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM), 868*7c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7), 869*7c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 870*7c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 871*7c478bd9Sstevel@tonic-gate }, { 872*7c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",MMO,8), TNSZ("psrld",MMO,8), TNSZ("psrlq",MMO,8), 873*7c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",MMO,8), TNSZ("pmullw",MMO,8), TNSZ("INVALID",MMO,0), TNS("pmovmskb",MMOM3), 874*7c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",MMO,8), TNSZ("psubusw",MMO,8), TNSZ("pminub",MMO,8), TNSZ("pand",MMO,8), 875*7c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",MMO,8), TNSZ("paddusw",MMO,8), TNSZ("pmaxub",MMO,8), TNSZ("pandn",MMO,8), 876*7c478bd9Sstevel@tonic-gate }, { 877*7c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",MMO,8), TNSZ("psraw",MMO,8), TNSZ("psrad",MMO,8), TNSZ("pavgw",MMO,8), 878*7c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",MMO,8), TNSZ("pmulhw",MMO,8), TNS("INVALID",XMMO), TNSZ("movntq",MMOMS,8), 879*7c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",MMO,8), TNSZ("psubsw",MMO,8), TNSZ("pminsw",MMO,8), TNSZ("por",MMO,8), 880*7c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",MMO,8), TNSZ("paddsw",MMO,8), TNSZ("pmaxsw",MMO,8), TNSZ("pxor",MMO,8), 881*7c478bd9Sstevel@tonic-gate }, { 882*7c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",MMO,8), TNSZ("pslld",MMO,8), TNSZ("psllq",MMO,8), 883*7c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",MMO,8), TNSZ("pmaddwd",MMO,8), TNSZ("psadbw",MMO,8), TNSZ("maskmovq",MMOIMPL,8), 884*7c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",MMO,8), TNSZ("psubw",MMO,8), TNSZ("psubd",MMO,8), TNSZ("psubq",MMO,8), 885*7c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",MMO,8), TNSZ("paddw",MMO,8), TNSZ("paddd",MMO,8), INVALID, 886*7c478bd9Sstevel@tonic-gate } }; 887*7c478bd9Sstevel@tonic-gate 888*7c478bd9Sstevel@tonic-gate 889*7c478bd9Sstevel@tonic-gate /* 890*7c478bd9Sstevel@tonic-gate * Decode table for 0x80 opcodes 891*7c478bd9Sstevel@tonic-gate */ 892*7c478bd9Sstevel@tonic-gate 893*7c478bd9Sstevel@tonic-gate const instable_t dis_op80[8] = { 894*7c478bd9Sstevel@tonic-gate 895*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("addb",IMlw), TNS("orb",IMw), TNS("adcb",IMlw), TNS("sbbb",IMlw), 896*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("andb",IMw), TNS("subb",IMlw), TNS("xorb",IMw), TNS("cmpb",IMlw), 897*7c478bd9Sstevel@tonic-gate }; 898*7c478bd9Sstevel@tonic-gate 899*7c478bd9Sstevel@tonic-gate 900*7c478bd9Sstevel@tonic-gate /* 901*7c478bd9Sstevel@tonic-gate * Decode table for 0x81 opcodes. 902*7c478bd9Sstevel@tonic-gate */ 903*7c478bd9Sstevel@tonic-gate 904*7c478bd9Sstevel@tonic-gate const instable_t dis_op81[8] = { 905*7c478bd9Sstevel@tonic-gate 906*7c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMw), TS("adc",IMlw), TS("sbb",IMlw), 907*7c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMw), TS("sub",IMlw), TS("xor",IMw), TS("cmp",IMlw), 908*7c478bd9Sstevel@tonic-gate }; 909*7c478bd9Sstevel@tonic-gate 910*7c478bd9Sstevel@tonic-gate 911*7c478bd9Sstevel@tonic-gate /* 912*7c478bd9Sstevel@tonic-gate * Decode table for 0x82 opcodes. 913*7c478bd9Sstevel@tonic-gate */ 914*7c478bd9Sstevel@tonic-gate 915*7c478bd9Sstevel@tonic-gate const instable_t dis_op82[8] = { 916*7c478bd9Sstevel@tonic-gate 917*7c478bd9Sstevel@tonic-gate /* [0] */ TNSx("addb",IMlw), TNSx("orb",IMlw), TNSx("adcb",IMlw), TNSx("sbbb",IMlw), 918*7c478bd9Sstevel@tonic-gate /* [4] */ TNSx("andb",IMlw), TNSx("subb",IMlw), TNSx("xorb",IMlw), TNSx("cmpb",IMlw), 919*7c478bd9Sstevel@tonic-gate }; 920*7c478bd9Sstevel@tonic-gate /* 921*7c478bd9Sstevel@tonic-gate * Decode table for 0x83 opcodes. 922*7c478bd9Sstevel@tonic-gate */ 923*7c478bd9Sstevel@tonic-gate 924*7c478bd9Sstevel@tonic-gate const instable_t dis_op83[8] = { 925*7c478bd9Sstevel@tonic-gate 926*7c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMlw), TS("adc",IMlw), TS("sbb",IMlw), 927*7c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMlw), TS("sub",IMlw), TS("xor",IMlw), TS("cmp",IMlw), 928*7c478bd9Sstevel@tonic-gate }; 929*7c478bd9Sstevel@tonic-gate 930*7c478bd9Sstevel@tonic-gate /* 931*7c478bd9Sstevel@tonic-gate * Decode table for 0xC0 opcodes. 932*7c478bd9Sstevel@tonic-gate */ 933*7c478bd9Sstevel@tonic-gate 934*7c478bd9Sstevel@tonic-gate const instable_t dis_opC0[8] = { 935*7c478bd9Sstevel@tonic-gate 936*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",MvI), TNS("rorb",MvI), TNS("rclb",MvI), TNS("rcrb",MvI), 937*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",MvI), TNS("shrb",MvI), INVALID, TNS("sarb",MvI), 938*7c478bd9Sstevel@tonic-gate }; 939*7c478bd9Sstevel@tonic-gate 940*7c478bd9Sstevel@tonic-gate /* 941*7c478bd9Sstevel@tonic-gate * Decode table for 0xD0 opcodes. 942*7c478bd9Sstevel@tonic-gate */ 943*7c478bd9Sstevel@tonic-gate 944*7c478bd9Sstevel@tonic-gate const instable_t dis_opD0[8] = { 945*7c478bd9Sstevel@tonic-gate 946*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 947*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 948*7c478bd9Sstevel@tonic-gate }; 949*7c478bd9Sstevel@tonic-gate 950*7c478bd9Sstevel@tonic-gate /* 951*7c478bd9Sstevel@tonic-gate * Decode table for 0xC1 opcodes. 952*7c478bd9Sstevel@tonic-gate * 186 instruction set 953*7c478bd9Sstevel@tonic-gate */ 954*7c478bd9Sstevel@tonic-gate 955*7c478bd9Sstevel@tonic-gate const instable_t dis_opC1[8] = { 956*7c478bd9Sstevel@tonic-gate 957*7c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",MvI), TS("ror",MvI), TS("rcl",MvI), TS("rcr",MvI), 958*7c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",MvI), TS("shr",MvI), TS("sal",MvI), TS("sar",MvI), 959*7c478bd9Sstevel@tonic-gate }; 960*7c478bd9Sstevel@tonic-gate 961*7c478bd9Sstevel@tonic-gate /* 962*7c478bd9Sstevel@tonic-gate * Decode table for 0xD1 opcodes. 963*7c478bd9Sstevel@tonic-gate */ 964*7c478bd9Sstevel@tonic-gate 965*7c478bd9Sstevel@tonic-gate const instable_t dis_opD1[8] = { 966*7c478bd9Sstevel@tonic-gate 967*7c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 968*7c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("sal",Mv), TS("sar",Mv), 969*7c478bd9Sstevel@tonic-gate }; 970*7c478bd9Sstevel@tonic-gate 971*7c478bd9Sstevel@tonic-gate 972*7c478bd9Sstevel@tonic-gate /* 973*7c478bd9Sstevel@tonic-gate * Decode table for 0xD2 opcodes. 974*7c478bd9Sstevel@tonic-gate */ 975*7c478bd9Sstevel@tonic-gate 976*7c478bd9Sstevel@tonic-gate const instable_t dis_opD2[8] = { 977*7c478bd9Sstevel@tonic-gate 978*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 979*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 980*7c478bd9Sstevel@tonic-gate }; 981*7c478bd9Sstevel@tonic-gate /* 982*7c478bd9Sstevel@tonic-gate * Decode table for 0xD3 opcodes. 983*7c478bd9Sstevel@tonic-gate */ 984*7c478bd9Sstevel@tonic-gate 985*7c478bd9Sstevel@tonic-gate const instable_t dis_opD3[8] = { 986*7c478bd9Sstevel@tonic-gate 987*7c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 988*7c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("salb",Mv), TS("sar",Mv), 989*7c478bd9Sstevel@tonic-gate }; 990*7c478bd9Sstevel@tonic-gate 991*7c478bd9Sstevel@tonic-gate 992*7c478bd9Sstevel@tonic-gate /* 993*7c478bd9Sstevel@tonic-gate * Decode table for 0xF6 opcodes. 994*7c478bd9Sstevel@tonic-gate */ 995*7c478bd9Sstevel@tonic-gate 996*7c478bd9Sstevel@tonic-gate const instable_t dis_opF6[8] = { 997*7c478bd9Sstevel@tonic-gate 998*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("testb",IMw), TNS("testb",IMw), TNS("notb",Mw), TNS("negb",Mw), 999*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("mulb",MA), TNS("imulb",MA), TNS("divb",MA), TNS("idivb",MA), 1000*7c478bd9Sstevel@tonic-gate }; 1001*7c478bd9Sstevel@tonic-gate 1002*7c478bd9Sstevel@tonic-gate 1003*7c478bd9Sstevel@tonic-gate /* 1004*7c478bd9Sstevel@tonic-gate * Decode table for 0xF7 opcodes. 1005*7c478bd9Sstevel@tonic-gate */ 1006*7c478bd9Sstevel@tonic-gate 1007*7c478bd9Sstevel@tonic-gate const instable_t dis_opF7[8] = { 1008*7c478bd9Sstevel@tonic-gate 1009*7c478bd9Sstevel@tonic-gate /* [0] */ TS("test",IMw), TS("test",IMw), TS("not",Mw), TS("neg",Mw), 1010*7c478bd9Sstevel@tonic-gate /* [4] */ TS("mul",MA), TS("imul",MA), TS("div",MA), TS("idiv",MA), 1011*7c478bd9Sstevel@tonic-gate }; 1012*7c478bd9Sstevel@tonic-gate 1013*7c478bd9Sstevel@tonic-gate 1014*7c478bd9Sstevel@tonic-gate /* 1015*7c478bd9Sstevel@tonic-gate * Decode table for 0xFE opcodes. 1016*7c478bd9Sstevel@tonic-gate */ 1017*7c478bd9Sstevel@tonic-gate 1018*7c478bd9Sstevel@tonic-gate const instable_t dis_opFE[8] = { 1019*7c478bd9Sstevel@tonic-gate 1020*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("incb",Mw), TNS("decb",Mw), INVALID, INVALID, 1021*7c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 1022*7c478bd9Sstevel@tonic-gate }; 1023*7c478bd9Sstevel@tonic-gate /* 1024*7c478bd9Sstevel@tonic-gate * Decode table for 0xFF opcodes. 1025*7c478bd9Sstevel@tonic-gate */ 1026*7c478bd9Sstevel@tonic-gate 1027*7c478bd9Sstevel@tonic-gate const instable_t dis_opFF[8] = { 1028*7c478bd9Sstevel@tonic-gate 1029*7c478bd9Sstevel@tonic-gate /* [0] */ TS("inc",Mw), TS("dec",Mw), TNSyp("call",INM), TNS("lcall",INM), 1030*7c478bd9Sstevel@tonic-gate /* [4] */ TNSy("jmp",INM), TNS("ljmp",INM), TSp("push",M), INVALID, 1031*7c478bd9Sstevel@tonic-gate }; 1032*7c478bd9Sstevel@tonic-gate 1033*7c478bd9Sstevel@tonic-gate /* for 287 instructions, which are a mess to decode */ 1034*7c478bd9Sstevel@tonic-gate 1035*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP1n2[8][8] = { 1036*7c478bd9Sstevel@tonic-gate { 1037*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx MODxx xR/M */ 1038*7c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadds",M), TNS("fmuls",M), TNS("fcoms",M), TNS("fcomps",M), 1039*7c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsubs",M), TNS("fsubrs",M), TNS("fdivs",M), TNS("fdivrs",M), 1040*7c478bd9Sstevel@tonic-gate }, { 1041*7c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("flds",M), INVALID, TNS("fsts",M), TNS("fstps",M), 1042*7c478bd9Sstevel@tonic-gate /* [1,4] */ TNSZ("fldenv",M,28), TNSZ("fldcw",M,2), TNSZ("fnstenv",M,28), TNSZ("fnstcw",M,2), 1043*7c478bd9Sstevel@tonic-gate }, { 1044*7c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("fiaddl",M), TNS("fimull",M), TNS("ficoml",M), TNS("ficompl",M), 1045*7c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fisubl",M), TNS("fisubrl",M), TNS("fidivl",M), TNS("fidivrl",M), 1046*7c478bd9Sstevel@tonic-gate }, { 1047*7c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fildl",M), INVALID, TNS("fistl",M), TNS("fistpl",M), 1048*7c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, TNSZ("fldt",M,10), INVALID, TNSZ("fstpt",M,10), 1049*7c478bd9Sstevel@tonic-gate }, { 1050*7c478bd9Sstevel@tonic-gate /* [4,0] */ TNSZ("faddl",M,8), TNSZ("fmull",M,8), TNSZ("fcoml",M,8), TNSZ("fcompl",M,8), 1051*7c478bd9Sstevel@tonic-gate /* [4,1] */ TNSZ("fsubl",M,8), TNSZ("fsubrl",M,8), TNSZ("fdivl",M,8), TNSZ("fdivrl",M,8), 1052*7c478bd9Sstevel@tonic-gate }, { 1053*7c478bd9Sstevel@tonic-gate /* [5,0] */ TNSZ("fldl",M,8), INVALID, TNSZ("fstl",M,8), TNSZ("fstpl",M,8), 1054*7c478bd9Sstevel@tonic-gate /* [5,4] */ TNSZ("frstor",M,108), INVALID, TNSZ("fnsave",M,108), TNSZ("fnstsw",M,2), 1055*7c478bd9Sstevel@tonic-gate }, { 1056*7c478bd9Sstevel@tonic-gate /* [6,0] */ TNSZ("fiadd",M,2), TNSZ("fimul",M,2), TNSZ("ficom",M,2), TNSZ("ficomp",M,2), 1057*7c478bd9Sstevel@tonic-gate /* [6,4] */ TNSZ("fisub",M,2), TNSZ("fisubr",M,2), TNSZ("fidiv",M,2), TNSZ("fidivr",M,2), 1058*7c478bd9Sstevel@tonic-gate }, { 1059*7c478bd9Sstevel@tonic-gate /* [7,0] */ TNSZ("fild",M,2), INVALID, TNSZ("fist",M,2), TNSZ("fistp",M,2), 1060*7c478bd9Sstevel@tonic-gate /* [7,4] */ TNSZ("fbld",M,10), TNSZ("fildll",M,8), TNSZ("fbstp",M,10), TNSZ("fistpll",M,8), 1061*7c478bd9Sstevel@tonic-gate } }; 1062*7c478bd9Sstevel@tonic-gate 1063*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP3[8][8] = { 1064*7c478bd9Sstevel@tonic-gate { 1065*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx 11xx xREG */ 1066*7c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 1067*7c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 1068*7c478bd9Sstevel@tonic-gate }, { 1069*7c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld",F), TNS("fxch",F), TNS("fnop",NORM), TNS("fstp",F), 1070*7c478bd9Sstevel@tonic-gate /* [1,4] */ INVALID, INVALID, INVALID, INVALID, 1071*7c478bd9Sstevel@tonic-gate }, { 1072*7c478bd9Sstevel@tonic-gate /* [2,0] */ INVALID, INVALID, INVALID, INVALID, 1073*7c478bd9Sstevel@tonic-gate /* [2,4] */ INVALID, TNS("fucompp",NORM), INVALID, INVALID, 1074*7c478bd9Sstevel@tonic-gate }, { 1075*7c478bd9Sstevel@tonic-gate /* [3,0] */ INVALID, INVALID, INVALID, INVALID, 1076*7c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, INVALID, INVALID, INVALID, 1077*7c478bd9Sstevel@tonic-gate }, { 1078*7c478bd9Sstevel@tonic-gate /* [4,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 1079*7c478bd9Sstevel@tonic-gate /* [4,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 1080*7c478bd9Sstevel@tonic-gate }, { 1081*7c478bd9Sstevel@tonic-gate /* [5,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fst",F), TNS("fstp",F), 1082*7c478bd9Sstevel@tonic-gate /* [5,4] */ TNS("fucom",F), TNS("fucomp",F), INVALID, INVALID, 1083*7c478bd9Sstevel@tonic-gate }, { 1084*7c478bd9Sstevel@tonic-gate /* [6,0] */ TNS("faddp",FF), TNS("fmulp",FF), TNS("fcomp",F), TNS("fcompp",NORM), 1085*7c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("fsubp",FF), TNS("fsubrp",FF), TNS("fdivp",FF), TNS("fdivrp",FF), 1086*7c478bd9Sstevel@tonic-gate }, { 1087*7c478bd9Sstevel@tonic-gate /* [7,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fstp",F), TNS("fstp",F), 1088*7c478bd9Sstevel@tonic-gate /* [7,4] */ TNS("fnstsw",M), TNS("fucomip",FFC), TNS("fcomip",FFC), INVALID, 1089*7c478bd9Sstevel@tonic-gate } }; 1090*7c478bd9Sstevel@tonic-gate 1091*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP4[4][8] = { 1092*7c478bd9Sstevel@tonic-gate { 1093*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1001 111x xxxx */ 1094*7c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fchs",NORM), TNS("fabs",NORM), INVALID, INVALID, 1095*7c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("ftst",NORM), TNS("fxam",NORM), TNS("ftstp",NORM), INVALID, 1096*7c478bd9Sstevel@tonic-gate }, { 1097*7c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld1",NORM), TNS("fldl2t",NORM), TNS("fldl2e",NORM), TNS("fldpi",NORM), 1098*7c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("fldlg2",NORM), TNS("fldln2",NORM), TNS("fldz",NORM), INVALID, 1099*7c478bd9Sstevel@tonic-gate }, { 1100*7c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("f2xm1",NORM), TNS("fyl2x",NORM), TNS("fptan",NORM), TNS("fpatan",NORM), 1101*7c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fxtract",NORM), TNS("fprem1",NORM), TNS("fdecstp",NORM), TNS("fincstp",NORM), 1102*7c478bd9Sstevel@tonic-gate }, { 1103*7c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fprem",NORM), TNS("fyl2xp1",NORM), TNS("fsqrt",NORM), TNS("fsincos",NORM), 1104*7c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("frndint",NORM), TNS("fscale",NORM), TNS("fsin",NORM), TNS("fcos",NORM), 1105*7c478bd9Sstevel@tonic-gate } }; 1106*7c478bd9Sstevel@tonic-gate 1107*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP5[8] = { 1108*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 111x xxxx */ 1109*7c478bd9Sstevel@tonic-gate /* [0] */ TNS("feni",NORM), TNS("fdisi",NORM), TNS("fnclex",NORM), TNS("fninit",NORM), 1110*7c478bd9Sstevel@tonic-gate /* [4] */ TNS("fsetpm",NORM), TNS("frstpm",NORM), INVALID, INVALID, 1111*7c478bd9Sstevel@tonic-gate }; 1112*7c478bd9Sstevel@tonic-gate 1113*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP6[8] = { 1114*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 11yy yxxx */ 1115*7c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.nb",FF), TNS("fcmov.ne",FF), TNS("fcmov.nbe",FF), TNS("fcmov.nu",FF), 1116*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("fucomi",F), TNS("fcomi",F), INVALID, 1117*7c478bd9Sstevel@tonic-gate }; 1118*7c478bd9Sstevel@tonic-gate 1119*7c478bd9Sstevel@tonic-gate const instable_t dis_opFP7[8] = { 1120*7c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1010 11yy yxxx */ 1121*7c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.b",FF), TNS("fcmov.e",FF), TNS("fcmov.be",FF), TNS("fcmov.u",FF), 1122*7c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 1123*7c478bd9Sstevel@tonic-gate }; 1124*7c478bd9Sstevel@tonic-gate 1125*7c478bd9Sstevel@tonic-gate /* 1126*7c478bd9Sstevel@tonic-gate * Main decode table for the op codes. The first two nibbles 1127*7c478bd9Sstevel@tonic-gate * will be used as an index into the table. If there is a 1128*7c478bd9Sstevel@tonic-gate * a need to further decode an instruction, the array to be 1129*7c478bd9Sstevel@tonic-gate * referenced is indicated with the other two entries being 1130*7c478bd9Sstevel@tonic-gate * empty. 1131*7c478bd9Sstevel@tonic-gate */ 1132*7c478bd9Sstevel@tonic-gate 1133*7c478bd9Sstevel@tonic-gate const instable_t dis_distable[16][16] = { 1134*7c478bd9Sstevel@tonic-gate { 1135*7c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("addb",RMw), TS("add",RMw), TNS("addb",MRw), TS("add",MRw), 1136*7c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("addb",IA), TS("add",IA), TSx("push",SEG), TSx("pop",SEG), 1137*7c478bd9Sstevel@tonic-gate /* [0,8] */ TNS("orb",RMw), TS("or",RMw), TNS("orb",MRw), TS("or",MRw), 1138*7c478bd9Sstevel@tonic-gate /* [0,C] */ TNS("orb",IA), TS("or",IA), TSx("push",SEG), IND(dis_op0F), 1139*7c478bd9Sstevel@tonic-gate }, { 1140*7c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("adcb",RMw), TS("adc",RMw), TNS("adcb",MRw), TS("adc",MRw), 1141*7c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("adcb",IA), TS("adc",IA), TSx("push",SEG), TSx("pop",SEG), 1142*7c478bd9Sstevel@tonic-gate /* [1,8] */ TNS("sbbb",RMw), TS("sbb",RMw), TNS("sbbb",MRw), TS("sbb",MRw), 1143*7c478bd9Sstevel@tonic-gate /* [1,C] */ TNS("sbbb",IA), TS("sbb",IA), TSx("push",SEG), TSx("pop",SEG), 1144*7c478bd9Sstevel@tonic-gate }, { 1145*7c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("andb",RMw), TS("and",RMw), TNS("andb",MRw), TS("and",MRw), 1146*7c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("andb",IA), TS("and",IA), TNSx("%es:",OVERRIDE), TNSx("daa",NORM), 1147*7c478bd9Sstevel@tonic-gate /* [2,8] */ TNS("subb",RMw), TS("sub",RMw), TNS("subb",MRw), TS("sub",MRw), 1148*7c478bd9Sstevel@tonic-gate /* [2,C] */ TNS("subb",IA), TS("sub",IA), TNSx("%cs:",OVERRIDE), TNSx("das",NORM), 1149*7c478bd9Sstevel@tonic-gate }, { 1150*7c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("xorb",RMw), TS("xor",RMw), TNS("xorb",MRw), TS("xor",MRw), 1151*7c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("xorb",IA), TS("xor",IA), TNSx("%ss:",OVERRIDE), TNSx("aaa",NORM), 1152*7c478bd9Sstevel@tonic-gate /* [3,8] */ TNS("cmpb",RMw), TS("cmp",RMw), TNS("cmpb",MRw), TS("cmp",MRw), 1153*7c478bd9Sstevel@tonic-gate /* [3,C] */ TNS("cmpb",IA), TS("cmp",IA), TNSx("%ds:",OVERRIDE), TNSx("aas",NORM), 1154*7c478bd9Sstevel@tonic-gate }, { 1155*7c478bd9Sstevel@tonic-gate /* [4,0] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 1156*7c478bd9Sstevel@tonic-gate /* [4,4] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 1157*7c478bd9Sstevel@tonic-gate /* [4,8] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 1158*7c478bd9Sstevel@tonic-gate /* [4,C] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 1159*7c478bd9Sstevel@tonic-gate }, { 1160*7c478bd9Sstevel@tonic-gate /* [5,0] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 1161*7c478bd9Sstevel@tonic-gate /* [5,4] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 1162*7c478bd9Sstevel@tonic-gate /* [5,8] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 1163*7c478bd9Sstevel@tonic-gate /* [5,C] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 1164*7c478bd9Sstevel@tonic-gate }, { 1165*7c478bd9Sstevel@tonic-gate /* [6,0] */ TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR), TNS("arpl",RMw), 1166*7c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("%fs:",OVERRIDE), TNS("%gs:",OVERRIDE), TNS("data16",DM), TNS("addr16",AM), 1167*7c478bd9Sstevel@tonic-gate /* [6,8] */ TSp("push",I), TS("imul",IMUL), TSp("push",Ib), TS("imul",IMUL), 1168*7c478bd9Sstevel@tonic-gate /* [6,C] */ TNSZ("insb",IMPLMEM,1), TSZ("ins",IMPLMEM,4), TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4), 1169*7c478bd9Sstevel@tonic-gate }, { 1170*7c478bd9Sstevel@tonic-gate /* [7,0] */ TNSy("jo",BD), TNSy("jno",BD), TNSy("jb",BD), TNSy("jae",BD), 1171*7c478bd9Sstevel@tonic-gate /* [7,4] */ TNSy("je",BD), TNSy("jne",BD), TNSy("jbe",BD), TNSy("ja",BD), 1172*7c478bd9Sstevel@tonic-gate /* [7,8] */ TNSy("js",BD), TNSy("jns",BD), TNSy("jp",BD), TNSy("jnp",BD), 1173*7c478bd9Sstevel@tonic-gate /* [7,C] */ TNSy("jl",BD), TNSy("jge",BD), TNSy("jle",BD), TNSy("jg",BD), 1174*7c478bd9Sstevel@tonic-gate }, { 1175*7c478bd9Sstevel@tonic-gate /* [8,0] */ IND(dis_op80), IND(dis_op81), INDx(dis_op82), IND(dis_op83), 1176*7c478bd9Sstevel@tonic-gate /* [8,4] */ TNS("testb",RMw), TS("test",RMw), TNS("xchgb",RMw), TS("xchg",RMw), 1177*7c478bd9Sstevel@tonic-gate /* [8,8] */ TNS("movb",RMw), TS("mov",RMw), TNS("movb",MRw), TS("mov",MRw), 1178*7c478bd9Sstevel@tonic-gate /* [8,C] */ TNS("movw",SM), TS("lea",MR), TNS("movw",MS), TSp("pop",M), 1179*7c478bd9Sstevel@tonic-gate }, { 1180*7c478bd9Sstevel@tonic-gate /* [9,0] */ TNS("nop",NORM), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 1181*7c478bd9Sstevel@tonic-gate /* [9,4] */ TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 1182*7c478bd9Sstevel@tonic-gate /* [9,8] */ TNS("cXtX",CBW), TNS("cXtX",CWD), TNSx("lcall",SO), TNS("fwait",NORM), 1183*7c478bd9Sstevel@tonic-gate /* [9,C] */ TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4), TNSx("sahf",NORM), TNSx("lahf",NORM), 1184*7c478bd9Sstevel@tonic-gate }, { 1185*7c478bd9Sstevel@tonic-gate /* [A,0] */ TNS("movb",OA), TS("mov",OA), TNS("movb",AO), TS("mov",AO), 1186*7c478bd9Sstevel@tonic-gate /* [A,4] */ TNSZ("movsb",SD,1), TS("movs",SD), TNSZ("cmpsb",SD,1), TS("cmps",SD), 1187*7c478bd9Sstevel@tonic-gate /* [A,8] */ TNS("testb",IA), TS("test",IA), TNS("stosb",AD), TS("stos",AD), 1188*7c478bd9Sstevel@tonic-gate /* [A,C] */ TNS("lodsb",SA), TS("lods",SA), TNS("scasb",AD), TS("scas",AD), 1189*7c478bd9Sstevel@tonic-gate }, { 1190*7c478bd9Sstevel@tonic-gate /* [B,0] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 1191*7c478bd9Sstevel@tonic-gate /* [B,4] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 1192*7c478bd9Sstevel@tonic-gate /* [B,8] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 1193*7c478bd9Sstevel@tonic-gate /* [B,C] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 1194*7c478bd9Sstevel@tonic-gate }, { 1195*7c478bd9Sstevel@tonic-gate /* [C,0] */ IND(dis_opC0), IND(dis_opC1), TNSyp("ret",RET), TNSyp("ret",NORM), 1196*7c478bd9Sstevel@tonic-gate /* [C,4] */ TNSx("les",MR), TNSx("lds",MR), TNS("movb",IMw), TS("mov",IMw), 1197*7c478bd9Sstevel@tonic-gate /* [C,8] */ TNSyp("enter",ENTER), TNSyp("leave",NORM), TNS("lret",RET), TNS("lret",NORM), 1198*7c478bd9Sstevel@tonic-gate /* [C,C] */ TNS("int",INT3), TNS("int",INTx), TNSx("into",NORM), TNS("iret",NORM), 1199*7c478bd9Sstevel@tonic-gate }, { 1200*7c478bd9Sstevel@tonic-gate /* [D,0] */ IND(dis_opD0), IND(dis_opD1), IND(dis_opD2), IND(dis_opD3), 1201*7c478bd9Sstevel@tonic-gate /* [D,4] */ TNSx("aam",U), TNSx("aad",U), TNSx("falc",NORM), TNSZ("xlat",IMPLMEM,1), 1202*7c478bd9Sstevel@tonic-gate 1203*7c478bd9Sstevel@tonic-gate /* 287 instructions. Note that although the indirect field */ 1204*7c478bd9Sstevel@tonic-gate /* indicates opFP1n2 for further decoding, this is not necessarily */ 1205*7c478bd9Sstevel@tonic-gate /* the case since the opFP arrays are not partitioned according to key1 */ 1206*7c478bd9Sstevel@tonic-gate /* and key2. opFP1n2 is given only to indicate that we haven't */ 1207*7c478bd9Sstevel@tonic-gate /* finished decoding the instruction. */ 1208*7c478bd9Sstevel@tonic-gate /* [D,8] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 1209*7c478bd9Sstevel@tonic-gate /* [D,C] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 1210*7c478bd9Sstevel@tonic-gate }, { 1211*7c478bd9Sstevel@tonic-gate /* [E,0] */ TNSy("loopnz",BD), TNSy("loopz",BD), TNSy("loop",BD), TNSy("jcxz",BD), 1212*7c478bd9Sstevel@tonic-gate /* [E,4] */ TNS("inb",P), TS("in",P), TNS("outb",P), TS("out",P), 1213*7c478bd9Sstevel@tonic-gate /* [E,8] */ TNSyp("call",D), TNSy("jmp",D), TNSx("ljmp",SO), TNSy("jmp",BD), 1214*7c478bd9Sstevel@tonic-gate /* [E,C] */ TNS("inb",V), TS("in",V), TNS("outb",V), TS("out",V), 1215*7c478bd9Sstevel@tonic-gate }, { 1216*7c478bd9Sstevel@tonic-gate /* [F,0] */ TNS("lock",LOCK), TNS("icebp", NORM), TNS("repnz",PREFIX), TNS("repz",PREFIX), 1217*7c478bd9Sstevel@tonic-gate /* [F,4] */ TNS("hlt",NORM), TNS("cmc",NORM), IND(dis_opF6), IND(dis_opF7), 1218*7c478bd9Sstevel@tonic-gate /* [F,8] */ TNS("clc",NORM), TNS("stc",NORM), TNS("cli",NORM), TNS("sti",NORM), 1219*7c478bd9Sstevel@tonic-gate /* [F,C] */ TNS("cld",NORM), TNS("std",NORM), IND(dis_opFE), IND(dis_opFF), 1220*7c478bd9Sstevel@tonic-gate } }; 1221*7c478bd9Sstevel@tonic-gate 1222*7c478bd9Sstevel@tonic-gate /* END CSTYLED */ 1223*7c478bd9Sstevel@tonic-gate 1224*7c478bd9Sstevel@tonic-gate /* 1225*7c478bd9Sstevel@tonic-gate * common functions to decode and disassemble an x86 or amd64 instruction 1226*7c478bd9Sstevel@tonic-gate */ 1227*7c478bd9Sstevel@tonic-gate 1228*7c478bd9Sstevel@tonic-gate /* 1229*7c478bd9Sstevel@tonic-gate * These are the individual fields of a REX prefix. Note that a REX 1230*7c478bd9Sstevel@tonic-gate * prefix with none of these set is still needed to: 1231*7c478bd9Sstevel@tonic-gate * - use the MOVSXD (sign extend 32 to 64 bits) instruction 1232*7c478bd9Sstevel@tonic-gate * - access the %sil, %dil, %bpl, %spl registers 1233*7c478bd9Sstevel@tonic-gate */ 1234*7c478bd9Sstevel@tonic-gate #define REX_W 0x08 /* 64 bit operand size when set */ 1235*7c478bd9Sstevel@tonic-gate #define REX_R 0x04 /* high order bit extension of ModRM reg field */ 1236*7c478bd9Sstevel@tonic-gate #define REX_X 0x02 /* high order bit extension of SIB index field */ 1237*7c478bd9Sstevel@tonic-gate #define REX_B 0x01 /* extends ModRM r_m, SIB base, or opcode reg */ 1238*7c478bd9Sstevel@tonic-gate 1239*7c478bd9Sstevel@tonic-gate static uint_t opnd_size; /* SIZE16, SIZE32 or SIZE64 */ 1240*7c478bd9Sstevel@tonic-gate static uint_t addr_size; /* SIZE16, SIZE32 or SIZE64 */ 1241*7c478bd9Sstevel@tonic-gate 1242*7c478bd9Sstevel@tonic-gate /* 1243*7c478bd9Sstevel@tonic-gate * Even in 64 bit mode, usually only 4 byte immediate operands are supported. 1244*7c478bd9Sstevel@tonic-gate */ 1245*7c478bd9Sstevel@tonic-gate static int isize[] = {1, 2, 4, 4}; 1246*7c478bd9Sstevel@tonic-gate static int isize64[] = {1, 2, 4, 8}; 1247*7c478bd9Sstevel@tonic-gate 1248*7c478bd9Sstevel@tonic-gate /* 1249*7c478bd9Sstevel@tonic-gate * Just a bunch of useful macros. 1250*7c478bd9Sstevel@tonic-gate */ 1251*7c478bd9Sstevel@tonic-gate #define WBIT(x) (x & 0x1) /* to get w bit */ 1252*7c478bd9Sstevel@tonic-gate #define REGNO(x) (x & 0x7) /* to get 3 bit register */ 1253*7c478bd9Sstevel@tonic-gate #define VBIT(x) ((x)>>1 & 0x1) /* to get 'v' bit */ 1254*7c478bd9Sstevel@tonic-gate #define OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1) 1255*7c478bd9Sstevel@tonic-gate #define OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1) 1256*7c478bd9Sstevel@tonic-gate 1257*7c478bd9Sstevel@tonic-gate #define REG_ONLY 3 /* mode to indicate a register operand (not memory) */ 1258*7c478bd9Sstevel@tonic-gate 1259*7c478bd9Sstevel@tonic-gate #define BYTE_OPND 0 /* w-bit value indicating byte register */ 1260*7c478bd9Sstevel@tonic-gate #define LONG_OPND 1 /* w-bit value indicating opnd_size register */ 1261*7c478bd9Sstevel@tonic-gate #define MM_OPND 2 /* "value" used to indicate a mmx reg */ 1262*7c478bd9Sstevel@tonic-gate #define XMM_OPND 3 /* "value" used to indicate a xmm reg */ 1263*7c478bd9Sstevel@tonic-gate #define SEG_OPND 4 /* "value" used to indicate a segment reg */ 1264*7c478bd9Sstevel@tonic-gate #define CONTROL_OPND 5 /* "value" used to indicate a control reg */ 1265*7c478bd9Sstevel@tonic-gate #define DEBUG_OPND 6 /* "value" used to indicate a debug reg */ 1266*7c478bd9Sstevel@tonic-gate #define TEST_OPND 7 /* "value" used to indicate a test reg */ 1267*7c478bd9Sstevel@tonic-gate #define WORD_OPND 8 /* w-bit value indicating word size reg */ 1268*7c478bd9Sstevel@tonic-gate 1269*7c478bd9Sstevel@tonic-gate /* 1270*7c478bd9Sstevel@tonic-gate * Get the next byte and separate the op code into the high and low nibbles. 1271*7c478bd9Sstevel@tonic-gate */ 1272*7c478bd9Sstevel@tonic-gate static int 1273*7c478bd9Sstevel@tonic-gate dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low) 1274*7c478bd9Sstevel@tonic-gate { 1275*7c478bd9Sstevel@tonic-gate int byte; 1276*7c478bd9Sstevel@tonic-gate 1277*7c478bd9Sstevel@tonic-gate /* 1278*7c478bd9Sstevel@tonic-gate * x86 instructions have a maximum length of 15 bytes. Bail out if 1279*7c478bd9Sstevel@tonic-gate * we try to read more. 1280*7c478bd9Sstevel@tonic-gate */ 1281*7c478bd9Sstevel@tonic-gate if (x->d86_len >= 15) 1282*7c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 1283*7c478bd9Sstevel@tonic-gate 1284*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1285*7c478bd9Sstevel@tonic-gate return (1); 1286*7c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 1287*7c478bd9Sstevel@tonic-gate if (byte < 0) 1288*7c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 1289*7c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 1290*7c478bd9Sstevel@tonic-gate *low = byte & 0xf; /* ----xxxx low 4 bits */ 1291*7c478bd9Sstevel@tonic-gate *high = byte >> 4 & 0xf; /* xxxx---- bits 7 to 4 */ 1292*7c478bd9Sstevel@tonic-gate return (0); 1293*7c478bd9Sstevel@tonic-gate } 1294*7c478bd9Sstevel@tonic-gate 1295*7c478bd9Sstevel@tonic-gate /* 1296*7c478bd9Sstevel@tonic-gate * Get and decode an SIB (scaled index base) byte 1297*7c478bd9Sstevel@tonic-gate */ 1298*7c478bd9Sstevel@tonic-gate static void 1299*7c478bd9Sstevel@tonic-gate dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base) 1300*7c478bd9Sstevel@tonic-gate { 1301*7c478bd9Sstevel@tonic-gate int byte; 1302*7c478bd9Sstevel@tonic-gate 1303*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1304*7c478bd9Sstevel@tonic-gate return; 1305*7c478bd9Sstevel@tonic-gate 1306*7c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 1307*7c478bd9Sstevel@tonic-gate if (byte < 0) { 1308*7c478bd9Sstevel@tonic-gate x->d86_error = 1; 1309*7c478bd9Sstevel@tonic-gate return; 1310*7c478bd9Sstevel@tonic-gate } 1311*7c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 1312*7c478bd9Sstevel@tonic-gate 1313*7c478bd9Sstevel@tonic-gate *base = byte & 0x7; 1314*7c478bd9Sstevel@tonic-gate *index = (byte >> 3) & 0x7; 1315*7c478bd9Sstevel@tonic-gate *ss = (byte >> 6) & 0x3; 1316*7c478bd9Sstevel@tonic-gate } 1317*7c478bd9Sstevel@tonic-gate 1318*7c478bd9Sstevel@tonic-gate /* 1319*7c478bd9Sstevel@tonic-gate * Get the byte following the op code and separate it into the 1320*7c478bd9Sstevel@tonic-gate * mode, register, and r/m fields. 1321*7c478bd9Sstevel@tonic-gate */ 1322*7c478bd9Sstevel@tonic-gate static void 1323*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m) 1324*7c478bd9Sstevel@tonic-gate { 1325*7c478bd9Sstevel@tonic-gate if (x->d86_got_modrm == 0) { 1326*7c478bd9Sstevel@tonic-gate if (x->d86_rmindex == -1) 1327*7c478bd9Sstevel@tonic-gate x->d86_rmindex = x->d86_len; 1328*7c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, mode, reg, r_m); 1329*7c478bd9Sstevel@tonic-gate x->d86_got_modrm = 1; 1330*7c478bd9Sstevel@tonic-gate } 1331*7c478bd9Sstevel@tonic-gate } 1332*7c478bd9Sstevel@tonic-gate 1333*7c478bd9Sstevel@tonic-gate /* 1334*7c478bd9Sstevel@tonic-gate * Adjust register selection based on any REX prefix bits present. 1335*7c478bd9Sstevel@tonic-gate */ 1336*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1337*7c478bd9Sstevel@tonic-gate static void 1338*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m) 1339*7c478bd9Sstevel@tonic-gate { 1340*7c478bd9Sstevel@tonic-gate if (reg != NULL && r_m == NULL) { 1341*7c478bd9Sstevel@tonic-gate if (rex_prefix & REX_B) 1342*7c478bd9Sstevel@tonic-gate *reg += 8; 1343*7c478bd9Sstevel@tonic-gate } else { 1344*7c478bd9Sstevel@tonic-gate if (reg != NULL && (REX_R & rex_prefix) != 0) 1345*7c478bd9Sstevel@tonic-gate *reg += 8; 1346*7c478bd9Sstevel@tonic-gate if (r_m != NULL && (REX_B & rex_prefix) != 0) 1347*7c478bd9Sstevel@tonic-gate *r_m += 8; 1348*7c478bd9Sstevel@tonic-gate } 1349*7c478bd9Sstevel@tonic-gate } 1350*7c478bd9Sstevel@tonic-gate 1351*7c478bd9Sstevel@tonic-gate /* 1352*7c478bd9Sstevel@tonic-gate * Get an immediate operand of the given size, with sign extension. 1353*7c478bd9Sstevel@tonic-gate */ 1354*7c478bd9Sstevel@tonic-gate static void 1355*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex) 1356*7c478bd9Sstevel@tonic-gate { 1357*7c478bd9Sstevel@tonic-gate int i; 1358*7c478bd9Sstevel@tonic-gate int byte; 1359*7c478bd9Sstevel@tonic-gate int valsize; 1360*7c478bd9Sstevel@tonic-gate 1361*7c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 1362*7c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 1363*7c478bd9Sstevel@tonic-gate 1364*7c478bd9Sstevel@tonic-gate switch (wbit) { 1365*7c478bd9Sstevel@tonic-gate case BYTE_OPND: 1366*7c478bd9Sstevel@tonic-gate valsize = 1; 1367*7c478bd9Sstevel@tonic-gate break; 1368*7c478bd9Sstevel@tonic-gate case LONG_OPND: 1369*7c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 1370*7c478bd9Sstevel@tonic-gate valsize = 2; 1371*7c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 1372*7c478bd9Sstevel@tonic-gate valsize = 4; 1373*7c478bd9Sstevel@tonic-gate else 1374*7c478bd9Sstevel@tonic-gate valsize = 8; 1375*7c478bd9Sstevel@tonic-gate break; 1376*7c478bd9Sstevel@tonic-gate case MM_OPND: 1377*7c478bd9Sstevel@tonic-gate case XMM_OPND: 1378*7c478bd9Sstevel@tonic-gate case SEG_OPND: 1379*7c478bd9Sstevel@tonic-gate case CONTROL_OPND: 1380*7c478bd9Sstevel@tonic-gate case DEBUG_OPND: 1381*7c478bd9Sstevel@tonic-gate case TEST_OPND: 1382*7c478bd9Sstevel@tonic-gate valsize = size; 1383*7c478bd9Sstevel@tonic-gate break; 1384*7c478bd9Sstevel@tonic-gate case WORD_OPND: 1385*7c478bd9Sstevel@tonic-gate valsize = 2; 1386*7c478bd9Sstevel@tonic-gate break; 1387*7c478bd9Sstevel@tonic-gate } 1388*7c478bd9Sstevel@tonic-gate if (valsize < size) 1389*7c478bd9Sstevel@tonic-gate valsize = size; 1390*7c478bd9Sstevel@tonic-gate 1391*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1392*7c478bd9Sstevel@tonic-gate return; 1393*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value = 0; 1394*7c478bd9Sstevel@tonic-gate for (i = 0; i < size; ++i) { 1395*7c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 1396*7c478bd9Sstevel@tonic-gate if (byte < 0) { 1397*7c478bd9Sstevel@tonic-gate x->d86_error = 1; 1398*7c478bd9Sstevel@tonic-gate return; 1399*7c478bd9Sstevel@tonic-gate } 1400*7c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 1401*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8); 1402*7c478bd9Sstevel@tonic-gate } 1403*7c478bd9Sstevel@tonic-gate /* Do sign extension */ 1404*7c478bd9Sstevel@tonic-gate if (x->d86_bytes[x->d86_len - 1] & 0x80) { 1405*7c478bd9Sstevel@tonic-gate for (; i < valsize; i++) 1406*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= 1407*7c478bd9Sstevel@tonic-gate (uint64_t)0xff << (i* 8); 1408*7c478bd9Sstevel@tonic-gate } 1409*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1410*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 1411*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value_size = valsize; 1412*7c478bd9Sstevel@tonic-gate x->d86_imm_bytes += size; 1413*7c478bd9Sstevel@tonic-gate #endif 1414*7c478bd9Sstevel@tonic-gate } 1415*7c478bd9Sstevel@tonic-gate 1416*7c478bd9Sstevel@tonic-gate /* 1417*7c478bd9Sstevel@tonic-gate * Get an ip relative operand of the given size, with sign extension. 1418*7c478bd9Sstevel@tonic-gate */ 1419*7c478bd9Sstevel@tonic-gate static void 1420*7c478bd9Sstevel@tonic-gate dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex) 1421*7c478bd9Sstevel@tonic-gate { 1422*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, size, opindex); 1423*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1424*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_IPREL; 1425*7c478bd9Sstevel@tonic-gate #endif 1426*7c478bd9Sstevel@tonic-gate } 1427*7c478bd9Sstevel@tonic-gate 1428*7c478bd9Sstevel@tonic-gate /* 1429*7c478bd9Sstevel@tonic-gate * Check to see if there is a segment override prefix pending. 1430*7c478bd9Sstevel@tonic-gate * If so, print it in the current 'operand' location and set 1431*7c478bd9Sstevel@tonic-gate * the override flag back to false. 1432*7c478bd9Sstevel@tonic-gate */ 1433*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1434*7c478bd9Sstevel@tonic-gate static void 1435*7c478bd9Sstevel@tonic-gate dtrace_check_override(dis86_t *x, int opindex) 1436*7c478bd9Sstevel@tonic-gate { 1437*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1438*7c478bd9Sstevel@tonic-gate if (x->d86_seg_prefix) { 1439*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[opindex].d86_prefix, 1440*7c478bd9Sstevel@tonic-gate x->d86_seg_prefix, PFIXLEN); 1441*7c478bd9Sstevel@tonic-gate } 1442*7c478bd9Sstevel@tonic-gate #endif 1443*7c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 1444*7c478bd9Sstevel@tonic-gate } 1445*7c478bd9Sstevel@tonic-gate 1446*7c478bd9Sstevel@tonic-gate 1447*7c478bd9Sstevel@tonic-gate /* 1448*7c478bd9Sstevel@tonic-gate * Process a single instruction Register or Memory operand. 1449*7c478bd9Sstevel@tonic-gate * 1450*7c478bd9Sstevel@tonic-gate * mode = addressing mode from ModRM byte 1451*7c478bd9Sstevel@tonic-gate * r_m = r_m (or reg if mode == 3) field from ModRM byte 1452*7c478bd9Sstevel@tonic-gate * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use. 1453*7c478bd9Sstevel@tonic-gate * o = index of operand that we are processing (0, 1 or 2) 1454*7c478bd9Sstevel@tonic-gate * 1455*7c478bd9Sstevel@tonic-gate * the value of reg or r_m must have already been adjusted for any REX prefix. 1456*7c478bd9Sstevel@tonic-gate */ 1457*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1458*7c478bd9Sstevel@tonic-gate static void 1459*7c478bd9Sstevel@tonic-gate dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex) 1460*7c478bd9Sstevel@tonic-gate { 1461*7c478bd9Sstevel@tonic-gate int have_SIB = 0; /* flag presence of scale-index-byte */ 1462*7c478bd9Sstevel@tonic-gate uint_t ss; /* scale-factor from opcode */ 1463*7c478bd9Sstevel@tonic-gate uint_t index; /* index register number */ 1464*7c478bd9Sstevel@tonic-gate uint_t base; /* base register number */ 1465*7c478bd9Sstevel@tonic-gate int dispsize; /* size of displacement in bytes */ 1466*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1467*7c478bd9Sstevel@tonic-gate char *opnd = x->d86_opnd[opindex].d86_opnd; 1468*7c478bd9Sstevel@tonic-gate #endif 1469*7c478bd9Sstevel@tonic-gate 1470*7c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 1471*7c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 1472*7c478bd9Sstevel@tonic-gate 1473*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1474*7c478bd9Sstevel@tonic-gate return; 1475*7c478bd9Sstevel@tonic-gate 1476*7c478bd9Sstevel@tonic-gate /* 1477*7c478bd9Sstevel@tonic-gate * first handle a simple register 1478*7c478bd9Sstevel@tonic-gate */ 1479*7c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 1480*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1481*7c478bd9Sstevel@tonic-gate switch (wbit) { 1482*7c478bd9Sstevel@tonic-gate case MM_OPND: 1483*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_MMREG[r_m], OPLEN); 1484*7c478bd9Sstevel@tonic-gate break; 1485*7c478bd9Sstevel@tonic-gate case XMM_OPND: 1486*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_XMMREG[r_m], OPLEN); 1487*7c478bd9Sstevel@tonic-gate break; 1488*7c478bd9Sstevel@tonic-gate case SEG_OPND: 1489*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_SEGREG[r_m], OPLEN); 1490*7c478bd9Sstevel@tonic-gate break; 1491*7c478bd9Sstevel@tonic-gate case CONTROL_OPND: 1492*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_CONTROLREG[r_m], OPLEN); 1493*7c478bd9Sstevel@tonic-gate break; 1494*7c478bd9Sstevel@tonic-gate case DEBUG_OPND: 1495*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_DEBUGREG[r_m], OPLEN); 1496*7c478bd9Sstevel@tonic-gate break; 1497*7c478bd9Sstevel@tonic-gate case TEST_OPND: 1498*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_TESTREG[r_m], OPLEN); 1499*7c478bd9Sstevel@tonic-gate break; 1500*7c478bd9Sstevel@tonic-gate case BYTE_OPND: 1501*7c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix == 0) 1502*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG8[r_m], OPLEN); 1503*7c478bd9Sstevel@tonic-gate else 1504*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG8_REX[r_m], OPLEN); 1505*7c478bd9Sstevel@tonic-gate break; 1506*7c478bd9Sstevel@tonic-gate case WORD_OPND: 1507*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG16[r_m], OPLEN); 1508*7c478bd9Sstevel@tonic-gate break; 1509*7c478bd9Sstevel@tonic-gate case LONG_OPND: 1510*7c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 1511*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG16[r_m], OPLEN); 1512*7c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 1513*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG32[r_m], OPLEN); 1514*7c478bd9Sstevel@tonic-gate else 1515*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_REG64[r_m], OPLEN); 1516*7c478bd9Sstevel@tonic-gate break; 1517*7c478bd9Sstevel@tonic-gate } 1518*7c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 1519*7c478bd9Sstevel@tonic-gate return; 1520*7c478bd9Sstevel@tonic-gate } 1521*7c478bd9Sstevel@tonic-gate 1522*7c478bd9Sstevel@tonic-gate /* 1523*7c478bd9Sstevel@tonic-gate * if symbolic representation, skip override prefix, if any 1524*7c478bd9Sstevel@tonic-gate */ 1525*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, opindex); 1526*7c478bd9Sstevel@tonic-gate 1527*7c478bd9Sstevel@tonic-gate /* 1528*7c478bd9Sstevel@tonic-gate * Handle 16 bit memory references first, since they decode 1529*7c478bd9Sstevel@tonic-gate * the mode values more simply. 1530*7c478bd9Sstevel@tonic-gate * mode 1 is r_m + 8 bit displacement 1531*7c478bd9Sstevel@tonic-gate * mode 2 is r_m + 16 bit displacement 1532*7c478bd9Sstevel@tonic-gate * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp 1533*7c478bd9Sstevel@tonic-gate */ 1534*7c478bd9Sstevel@tonic-gate if (x->d86_addr_size == SIZE16) { 1535*7c478bd9Sstevel@tonic-gate if ((mode == 0 && r_m == 6) || mode == 2) 1536*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, WORD_OPND, 2, opindex); 1537*7c478bd9Sstevel@tonic-gate else if (mode == 1) 1538*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, opindex); 1539*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1540*7c478bd9Sstevel@tonic-gate if (mode == 0 && r_m == 6) 1541*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 1542*7c478bd9Sstevel@tonic-gate else if (mode == 0) 1543*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_NONE; 1544*7c478bd9Sstevel@tonic-gate else 1545*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 1546*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_addr16[mode][r_m], OPLEN); 1547*7c478bd9Sstevel@tonic-gate #endif 1548*7c478bd9Sstevel@tonic-gate return; 1549*7c478bd9Sstevel@tonic-gate } 1550*7c478bd9Sstevel@tonic-gate 1551*7c478bd9Sstevel@tonic-gate /* 1552*7c478bd9Sstevel@tonic-gate * 32 and 64 bit addressing modes are more complex since they 1553*7c478bd9Sstevel@tonic-gate * can involve an SIB (scaled index and base) byte to decode. 1554*7c478bd9Sstevel@tonic-gate */ 1555*7c478bd9Sstevel@tonic-gate if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) { 1556*7c478bd9Sstevel@tonic-gate have_SIB = 1; 1557*7c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, &ss, &index, &base); 1558*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1559*7c478bd9Sstevel@tonic-gate return; 1560*7c478bd9Sstevel@tonic-gate if (base != 5 || mode != 0) 1561*7c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_B) 1562*7c478bd9Sstevel@tonic-gate base += 8; 1563*7c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_X) 1564*7c478bd9Sstevel@tonic-gate index += 8; 1565*7c478bd9Sstevel@tonic-gate } else { 1566*7c478bd9Sstevel@tonic-gate base = r_m; 1567*7c478bd9Sstevel@tonic-gate } 1568*7c478bd9Sstevel@tonic-gate 1569*7c478bd9Sstevel@tonic-gate /* 1570*7c478bd9Sstevel@tonic-gate * Compute the displacement size and get its bytes 1571*7c478bd9Sstevel@tonic-gate */ 1572*7c478bd9Sstevel@tonic-gate dispsize = 0; 1573*7c478bd9Sstevel@tonic-gate 1574*7c478bd9Sstevel@tonic-gate if (mode == 1) 1575*7c478bd9Sstevel@tonic-gate dispsize = 1; 1576*7c478bd9Sstevel@tonic-gate else if (mode == 2) 1577*7c478bd9Sstevel@tonic-gate dispsize = 4; 1578*7c478bd9Sstevel@tonic-gate else if ((r_m & 7) == EBP_REGNO || 1579*7c478bd9Sstevel@tonic-gate (have_SIB && (base & 7) == EBP_REGNO)) 1580*7c478bd9Sstevel@tonic-gate dispsize = 4; 1581*7c478bd9Sstevel@tonic-gate 1582*7c478bd9Sstevel@tonic-gate if (dispsize > 0) { 1583*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND, 1584*7c478bd9Sstevel@tonic-gate dispsize, opindex); 1585*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1586*7c478bd9Sstevel@tonic-gate return; 1587*7c478bd9Sstevel@tonic-gate } 1588*7c478bd9Sstevel@tonic-gate 1589*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1590*7c478bd9Sstevel@tonic-gate if (dispsize > 0) 1591*7c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 1592*7c478bd9Sstevel@tonic-gate 1593*7c478bd9Sstevel@tonic-gate if (have_SIB == 0) { 1594*7c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) { 1595*7c478bd9Sstevel@tonic-gate if (mode == 0) 1596*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_addr32_mode0[r_m], 1597*7c478bd9Sstevel@tonic-gate OPLEN); 1598*7c478bd9Sstevel@tonic-gate else 1599*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_addr32_mode12[r_m], 1600*7c478bd9Sstevel@tonic-gate OPLEN); 1601*7c478bd9Sstevel@tonic-gate } else { 1602*7c478bd9Sstevel@tonic-gate if (mode == 0) 1603*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_addr64_mode0[r_m], 1604*7c478bd9Sstevel@tonic-gate OPLEN); 1605*7c478bd9Sstevel@tonic-gate else 1606*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_addr64_mode12[r_m], 1607*7c478bd9Sstevel@tonic-gate OPLEN); 1608*7c478bd9Sstevel@tonic-gate } 1609*7c478bd9Sstevel@tonic-gate } else { 1610*7c478bd9Sstevel@tonic-gate uint_t need_paren = 0; 1611*7c478bd9Sstevel@tonic-gate char **regs; 1612*7c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */ 1613*7c478bd9Sstevel@tonic-gate regs = (char **)dis_REG32; 1614*7c478bd9Sstevel@tonic-gate else 1615*7c478bd9Sstevel@tonic-gate regs = (char **)dis_REG64; 1616*7c478bd9Sstevel@tonic-gate 1617*7c478bd9Sstevel@tonic-gate /* 1618*7c478bd9Sstevel@tonic-gate * print the base (if any) 1619*7c478bd9Sstevel@tonic-gate */ 1620*7c478bd9Sstevel@tonic-gate if (base == EBP_REGNO && mode == 0) { 1621*7c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1622*7c478bd9Sstevel@tonic-gate strlcat(opnd, "(", OPLEN); 1623*7c478bd9Sstevel@tonic-gate need_paren = 1; 1624*7c478bd9Sstevel@tonic-gate } 1625*7c478bd9Sstevel@tonic-gate } else { 1626*7c478bd9Sstevel@tonic-gate strlcat(opnd, "(", OPLEN); 1627*7c478bd9Sstevel@tonic-gate strlcat(opnd, regs[base], OPLEN); 1628*7c478bd9Sstevel@tonic-gate need_paren = 1; 1629*7c478bd9Sstevel@tonic-gate } 1630*7c478bd9Sstevel@tonic-gate 1631*7c478bd9Sstevel@tonic-gate /* 1632*7c478bd9Sstevel@tonic-gate * print the index (if any) 1633*7c478bd9Sstevel@tonic-gate */ 1634*7c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1635*7c478bd9Sstevel@tonic-gate strlcat(opnd, ",", OPLEN); 1636*7c478bd9Sstevel@tonic-gate strlcat(opnd, regs[index], OPLEN); 1637*7c478bd9Sstevel@tonic-gate strlcat(opnd, dis_scale_factor[ss], OPLEN); 1638*7c478bd9Sstevel@tonic-gate } else 1639*7c478bd9Sstevel@tonic-gate if (need_paren) 1640*7c478bd9Sstevel@tonic-gate strlcat(opnd, ")", OPLEN); 1641*7c478bd9Sstevel@tonic-gate } 1642*7c478bd9Sstevel@tonic-gate #endif 1643*7c478bd9Sstevel@tonic-gate } 1644*7c478bd9Sstevel@tonic-gate 1645*7c478bd9Sstevel@tonic-gate /* 1646*7c478bd9Sstevel@tonic-gate * Operand sequence for standard instruction involving one register 1647*7c478bd9Sstevel@tonic-gate * and one register/memory operand. 1648*7c478bd9Sstevel@tonic-gate * wbit indicates a byte(0) or opnd_size(1) operation 1649*7c478bd9Sstevel@tonic-gate * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r") 1650*7c478bd9Sstevel@tonic-gate */ 1651*7c478bd9Sstevel@tonic-gate #define STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit) { \ 1652*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 1653*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 1654*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 1655*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit); \ 1656*7c478bd9Sstevel@tonic-gate } 1657*7c478bd9Sstevel@tonic-gate 1658*7c478bd9Sstevel@tonic-gate /* 1659*7c478bd9Sstevel@tonic-gate * Similar to above, but allows for the two operands to be of different 1660*7c478bd9Sstevel@tonic-gate * classes (ie. wbit). 1661*7c478bd9Sstevel@tonic-gate * wbit is for the r_m operand 1662*7c478bd9Sstevel@tonic-gate * w2 is for the reg operand 1663*7c478bd9Sstevel@tonic-gate */ 1664*7c478bd9Sstevel@tonic-gate #define MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit) { \ 1665*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 1666*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 1667*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 1668*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit); \ 1669*7c478bd9Sstevel@tonic-gate } 1670*7c478bd9Sstevel@tonic-gate 1671*7c478bd9Sstevel@tonic-gate /* 1672*7c478bd9Sstevel@tonic-gate * Similar, but for 2 operands plus an immediate. 1673*7c478bd9Sstevel@tonic-gate */ 1674*7c478bd9Sstevel@tonic-gate #define THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \ 1675*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 1676*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 1677*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); \ 1678*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 2); \ 1679*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, immsize, 0); \ 1680*7c478bd9Sstevel@tonic-gate } 1681*7c478bd9Sstevel@tonic-gate 1682*7c478bd9Sstevel@tonic-gate /* 1683*7c478bd9Sstevel@tonic-gate * Dissassemble a single x86 or amd64 instruction. 1684*7c478bd9Sstevel@tonic-gate * 1685*7c478bd9Sstevel@tonic-gate * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64) 1686*7c478bd9Sstevel@tonic-gate * for interpreting instructions. 1687*7c478bd9Sstevel@tonic-gate * 1688*7c478bd9Sstevel@tonic-gate * returns non-zero for bad opcode 1689*7c478bd9Sstevel@tonic-gate */ 1690*7c478bd9Sstevel@tonic-gate int 1691*7c478bd9Sstevel@tonic-gate dtrace_disx86(dis86_t *x, uint_t cpu_mode) 1692*7c478bd9Sstevel@tonic-gate { 1693*7c478bd9Sstevel@tonic-gate instable_t *dp; /* decode table being used */ 1694*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1695*7c478bd9Sstevel@tonic-gate uint_t i; 1696*7c478bd9Sstevel@tonic-gate #endif 1697*7c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 1698*7c478bd9Sstevel@tonic-gate uint_t nomem = 0; 1699*7c478bd9Sstevel@tonic-gate #define NOMEM (nomem = 1) 1700*7c478bd9Sstevel@tonic-gate #else 1701*7c478bd9Sstevel@tonic-gate #define NOMEM /* nothing */ 1702*7c478bd9Sstevel@tonic-gate #endif 1703*7c478bd9Sstevel@tonic-gate uint_t wbit; /* opcode wbit, 0 is 8 bit, !0 for opnd_size */ 1704*7c478bd9Sstevel@tonic-gate uint_t w2; /* wbit value for second operand */ 1705*7c478bd9Sstevel@tonic-gate uint_t vbit; 1706*7c478bd9Sstevel@tonic-gate uint_t mode = 0; /* mode value from ModRM byte */ 1707*7c478bd9Sstevel@tonic-gate uint_t reg; /* reg value from ModRM byte */ 1708*7c478bd9Sstevel@tonic-gate uint_t r_m; /* r_m value from ModRM byte */ 1709*7c478bd9Sstevel@tonic-gate 1710*7c478bd9Sstevel@tonic-gate uint_t opcode1; /* high nibble of 1st byte */ 1711*7c478bd9Sstevel@tonic-gate uint_t opcode2; /* low nibble of 1st byte */ 1712*7c478bd9Sstevel@tonic-gate uint_t opcode3; /* extra opcode bits usually from ModRM byte */ 1713*7c478bd9Sstevel@tonic-gate uint_t opcode4; /* high nibble of 2nd byte */ 1714*7c478bd9Sstevel@tonic-gate uint_t opcode5; /* low nibble of 2ne byte */ 1715*7c478bd9Sstevel@tonic-gate uint_t opcode6; /* high nibble of 3rd byte */ 1716*7c478bd9Sstevel@tonic-gate uint_t opcode7; /* low nibble of 3rd byte */ 1717*7c478bd9Sstevel@tonic-gate uint_t opcode_bytes = 1; 1718*7c478bd9Sstevel@tonic-gate 1719*7c478bd9Sstevel@tonic-gate /* 1720*7c478bd9Sstevel@tonic-gate * legacy prefixes come in 5 flavors, you should have only one of each 1721*7c478bd9Sstevel@tonic-gate */ 1722*7c478bd9Sstevel@tonic-gate uint_t opnd_size_prefix = 0; 1723*7c478bd9Sstevel@tonic-gate uint_t addr_size_prefix = 0; 1724*7c478bd9Sstevel@tonic-gate uint_t segment_prefix = 0; 1725*7c478bd9Sstevel@tonic-gate uint_t lock_prefix = 0; 1726*7c478bd9Sstevel@tonic-gate uint_t rep_prefix = 0; 1727*7c478bd9Sstevel@tonic-gate uint_t rex_prefix = 0; /* amd64 register extension prefix */ 1728*7c478bd9Sstevel@tonic-gate size_t off; 1729*7c478bd9Sstevel@tonic-gate 1730*7c478bd9Sstevel@tonic-gate x->d86_len = 0; 1731*7c478bd9Sstevel@tonic-gate x->d86_rmindex = -1; 1732*7c478bd9Sstevel@tonic-gate x->d86_error = 0; 1733*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1734*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 0; 1735*7c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 1736*7c478bd9Sstevel@tonic-gate x->d86_mneu[0] = 0; 1737*7c478bd9Sstevel@tonic-gate for (i = 0; i < 3; ++i) { 1738*7c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_opnd[0] = 0; 1739*7c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_prefix[0] = 0; 1740*7c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value_size = 0; 1741*7c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value = 0; 1742*7c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_mode = MODE_NONE; 1743*7c478bd9Sstevel@tonic-gate } 1744*7c478bd9Sstevel@tonic-gate #endif 1745*7c478bd9Sstevel@tonic-gate x->d86_error = 0; 1746*7c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 1747*7c478bd9Sstevel@tonic-gate 1748*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE16) { 1749*7c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 1750*7c478bd9Sstevel@tonic-gate addr_size = SIZE16; 1751*7c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 1752*7c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 1753*7c478bd9Sstevel@tonic-gate addr_size = SIZE32; 1754*7c478bd9Sstevel@tonic-gate } else { 1755*7c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 1756*7c478bd9Sstevel@tonic-gate addr_size = SIZE64; 1757*7c478bd9Sstevel@tonic-gate } 1758*7c478bd9Sstevel@tonic-gate 1759*7c478bd9Sstevel@tonic-gate /* 1760*7c478bd9Sstevel@tonic-gate * Get one opcode byte and check for zero padding that follows 1761*7c478bd9Sstevel@tonic-gate * jump tables. 1762*7c478bd9Sstevel@tonic-gate */ 1763*7c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 1764*7c478bd9Sstevel@tonic-gate goto error; 1765*7c478bd9Sstevel@tonic-gate 1766*7c478bd9Sstevel@tonic-gate if (opcode1 == 0 && opcode2 == 0 && 1767*7c478bd9Sstevel@tonic-gate x->d86_check_func != NULL && x->d86_check_func()) { 1768*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1769*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, ".byte\t0", OPLEN); 1770*7c478bd9Sstevel@tonic-gate #endif 1771*7c478bd9Sstevel@tonic-gate goto done; 1772*7c478bd9Sstevel@tonic-gate } 1773*7c478bd9Sstevel@tonic-gate 1774*7c478bd9Sstevel@tonic-gate /* 1775*7c478bd9Sstevel@tonic-gate * Gather up legacy x86 prefix bytes. 1776*7c478bd9Sstevel@tonic-gate */ 1777*7c478bd9Sstevel@tonic-gate for (;;) { 1778*7c478bd9Sstevel@tonic-gate uint_t *which_prefix = NULL; 1779*7c478bd9Sstevel@tonic-gate 1780*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 1781*7c478bd9Sstevel@tonic-gate 1782*7c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 1783*7c478bd9Sstevel@tonic-gate case PREFIX: 1784*7c478bd9Sstevel@tonic-gate which_prefix = &rep_prefix; 1785*7c478bd9Sstevel@tonic-gate break; 1786*7c478bd9Sstevel@tonic-gate case LOCK: 1787*7c478bd9Sstevel@tonic-gate which_prefix = &lock_prefix; 1788*7c478bd9Sstevel@tonic-gate break; 1789*7c478bd9Sstevel@tonic-gate case OVERRIDE: 1790*7c478bd9Sstevel@tonic-gate which_prefix = &segment_prefix; 1791*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1792*7c478bd9Sstevel@tonic-gate x->d86_seg_prefix = (char *)dp->it_name; 1793*7c478bd9Sstevel@tonic-gate #endif 1794*7c478bd9Sstevel@tonic-gate if (dp->it_invalid64 && cpu_mode == SIZE64) 1795*7c478bd9Sstevel@tonic-gate goto error; 1796*7c478bd9Sstevel@tonic-gate break; 1797*7c478bd9Sstevel@tonic-gate case AM: 1798*7c478bd9Sstevel@tonic-gate which_prefix = &addr_size_prefix; 1799*7c478bd9Sstevel@tonic-gate break; 1800*7c478bd9Sstevel@tonic-gate case DM: 1801*7c478bd9Sstevel@tonic-gate which_prefix = &opnd_size_prefix; 1802*7c478bd9Sstevel@tonic-gate break; 1803*7c478bd9Sstevel@tonic-gate } 1804*7c478bd9Sstevel@tonic-gate if (which_prefix == NULL) 1805*7c478bd9Sstevel@tonic-gate break; 1806*7c478bd9Sstevel@tonic-gate *which_prefix = (opcode1 << 4) | opcode2; 1807*7c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 1808*7c478bd9Sstevel@tonic-gate goto error; 1809*7c478bd9Sstevel@tonic-gate } 1810*7c478bd9Sstevel@tonic-gate 1811*7c478bd9Sstevel@tonic-gate /* 1812*7c478bd9Sstevel@tonic-gate * Handle amd64 mode PREFIX values. 1813*7c478bd9Sstevel@tonic-gate * Some of the segment prefixes are no-ops. (only FS/GS actually work) 1814*7c478bd9Sstevel@tonic-gate * We might have a REX prefix (opcodes 0x40-0x4f) 1815*7c478bd9Sstevel@tonic-gate */ 1816*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 1817*7c478bd9Sstevel@tonic-gate if (segment_prefix != 0x64 && segment_prefix != 0x65) 1818*7c478bd9Sstevel@tonic-gate segment_prefix = 0; 1819*7c478bd9Sstevel@tonic-gate 1820*7c478bd9Sstevel@tonic-gate if (opcode1 == 0x4) { 1821*7c478bd9Sstevel@tonic-gate rex_prefix = (opcode1 << 4) | opcode2; 1822*7c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 1823*7c478bd9Sstevel@tonic-gate goto error; 1824*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 1825*7c478bd9Sstevel@tonic-gate } 1826*7c478bd9Sstevel@tonic-gate } 1827*7c478bd9Sstevel@tonic-gate 1828*7c478bd9Sstevel@tonic-gate /* 1829*7c478bd9Sstevel@tonic-gate * Deal with selection of operand and address size now. 1830*7c478bd9Sstevel@tonic-gate * Note that the REX.W bit being set causes opnd_size_prefix to be 1831*7c478bd9Sstevel@tonic-gate * ignored. 1832*7c478bd9Sstevel@tonic-gate */ 1833*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 1834*7c478bd9Sstevel@tonic-gate if (rex_prefix & 0x08) 1835*7c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 1836*7c478bd9Sstevel@tonic-gate else if (opnd_size_prefix) 1837*7c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 1838*7c478bd9Sstevel@tonic-gate 1839*7c478bd9Sstevel@tonic-gate if (addr_size_prefix) 1840*7c478bd9Sstevel@tonic-gate addr_size = SIZE32; 1841*7c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 1842*7c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 1843*7c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 1844*7c478bd9Sstevel@tonic-gate if (addr_size_prefix) 1845*7c478bd9Sstevel@tonic-gate addr_size = SIZE16; 1846*7c478bd9Sstevel@tonic-gate } else { 1847*7c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 1848*7c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 1849*7c478bd9Sstevel@tonic-gate if (addr_size_prefix) 1850*7c478bd9Sstevel@tonic-gate addr_size = SIZE32; 1851*7c478bd9Sstevel@tonic-gate } 1852*7c478bd9Sstevel@tonic-gate 1853*7c478bd9Sstevel@tonic-gate /* 1854*7c478bd9Sstevel@tonic-gate * The pause instruction - a repz'd nop. This doesn't fit 1855*7c478bd9Sstevel@tonic-gate * with any of the other prefix goop added for SSE, so we'll 1856*7c478bd9Sstevel@tonic-gate * special-case it here. 1857*7c478bd9Sstevel@tonic-gate */ 1858*7c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) { 1859*7c478bd9Sstevel@tonic-gate rep_prefix = 0; 1860*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opPause; 1861*7c478bd9Sstevel@tonic-gate } 1862*7c478bd9Sstevel@tonic-gate 1863*7c478bd9Sstevel@tonic-gate /* 1864*7c478bd9Sstevel@tonic-gate * Some 386 instructions have 2 bytes of opcode before the mod_r/m 1865*7c478bd9Sstevel@tonic-gate * byte so we may need to perform a table indirection. 1866*7c478bd9Sstevel@tonic-gate */ 1867*7c478bd9Sstevel@tonic-gate if (dp->it_indirect == (instable_t *)dis_op0F) { 1868*7c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0) 1869*7c478bd9Sstevel@tonic-gate goto error; 1870*7c478bd9Sstevel@tonic-gate opcode_bytes = 2; 1871*7c478bd9Sstevel@tonic-gate if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) { 1872*7c478bd9Sstevel@tonic-gate uint_t subcode; 1873*7c478bd9Sstevel@tonic-gate 1874*7c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 1875*7c478bd9Sstevel@tonic-gate goto error; 1876*7c478bd9Sstevel@tonic-gate opcode_bytes = 3; 1877*7c478bd9Sstevel@tonic-gate subcode = ((opcode6 & 0x3) << 1) | 1878*7c478bd9Sstevel@tonic-gate ((opcode7 & 0x8) >> 3); 1879*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F7123[opcode5][subcode]; 1880*7c478bd9Sstevel@tonic-gate } else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) { 1881*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0FC8[0]; 1882*7c478bd9Sstevel@tonic-gate } else { 1883*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F[opcode4][opcode5]; 1884*7c478bd9Sstevel@tonic-gate } 1885*7c478bd9Sstevel@tonic-gate } 1886*7c478bd9Sstevel@tonic-gate 1887*7c478bd9Sstevel@tonic-gate /* 1888*7c478bd9Sstevel@tonic-gate * If still not at a TERM decode entry, then a ModRM byte 1889*7c478bd9Sstevel@tonic-gate * exists and its fields further decode the instruction. 1890*7c478bd9Sstevel@tonic-gate */ 1891*7c478bd9Sstevel@tonic-gate x->d86_got_modrm = 0; 1892*7c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) { 1893*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, &opcode3, &r_m); 1894*7c478bd9Sstevel@tonic-gate if (x->d86_error) 1895*7c478bd9Sstevel@tonic-gate goto error; 1896*7c478bd9Sstevel@tonic-gate reg = opcode3; 1897*7c478bd9Sstevel@tonic-gate 1898*7c478bd9Sstevel@tonic-gate /* 1899*7c478bd9Sstevel@tonic-gate * decode 287 instructions (D8-DF) from opcodeN 1900*7c478bd9Sstevel@tonic-gate */ 1901*7c478bd9Sstevel@tonic-gate if (opcode1 == 0xD && opcode2 >= 0x8) { 1902*7c478bd9Sstevel@tonic-gate if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4) 1903*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP5[r_m]; 1904*7c478bd9Sstevel@tonic-gate else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4) 1905*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP7[opcode3]; 1906*7c478bd9Sstevel@tonic-gate else if (opcode2 == 0xB && mode == 0x3) 1907*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP6[opcode3]; 1908*7c478bd9Sstevel@tonic-gate else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4) 1909*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m]; 1910*7c478bd9Sstevel@tonic-gate else if (mode == 0x3) 1911*7c478bd9Sstevel@tonic-gate dp = (instable_t *) 1912*7c478bd9Sstevel@tonic-gate &dis_opFP3[opcode2 - 8][opcode3]; 1913*7c478bd9Sstevel@tonic-gate else 1914*7c478bd9Sstevel@tonic-gate dp = (instable_t *) 1915*7c478bd9Sstevel@tonic-gate &dis_opFP1n2[opcode2 - 8][opcode3]; 1916*7c478bd9Sstevel@tonic-gate } else { 1917*7c478bd9Sstevel@tonic-gate dp = (instable_t *)dp->it_indirect + opcode3; 1918*7c478bd9Sstevel@tonic-gate } 1919*7c478bd9Sstevel@tonic-gate } 1920*7c478bd9Sstevel@tonic-gate 1921*7c478bd9Sstevel@tonic-gate /* 1922*7c478bd9Sstevel@tonic-gate * In amd64 bit mode, ARPL opcode is changed to MOVSXD 1923*7c478bd9Sstevel@tonic-gate * (sign extend 32bit to 64 bit) 1924*7c478bd9Sstevel@tonic-gate */ 1925*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && opcode1 == 0x6 && opcode2 == 0x3) 1926*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opMOVSLD; 1927*7c478bd9Sstevel@tonic-gate 1928*7c478bd9Sstevel@tonic-gate /* 1929*7c478bd9Sstevel@tonic-gate * at this point we should have a correct (or invalid) opcode 1930*7c478bd9Sstevel@tonic-gate */ 1931*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && dp->it_invalid64 || 1932*7c478bd9Sstevel@tonic-gate cpu_mode != SIZE64 && dp->it_invalid32) 1933*7c478bd9Sstevel@tonic-gate goto error; 1934*7c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) 1935*7c478bd9Sstevel@tonic-gate goto error; 1936*7c478bd9Sstevel@tonic-gate 1937*7c478bd9Sstevel@tonic-gate /* 1938*7c478bd9Sstevel@tonic-gate * deal with MMX/SSE opcodes which are changed by prefixes 1939*7c478bd9Sstevel@tonic-gate */ 1940*7c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 1941*7c478bd9Sstevel@tonic-gate case MMO: 1942*7c478bd9Sstevel@tonic-gate case MMOIMPL: 1943*7c478bd9Sstevel@tonic-gate case MMO3P: 1944*7c478bd9Sstevel@tonic-gate case MMOM3: 1945*7c478bd9Sstevel@tonic-gate case MMOMS: 1946*7c478bd9Sstevel@tonic-gate case MMOPM: 1947*7c478bd9Sstevel@tonic-gate case MMOPRM: 1948*7c478bd9Sstevel@tonic-gate case MMOS: 1949*7c478bd9Sstevel@tonic-gate case XMMO: 1950*7c478bd9Sstevel@tonic-gate case XMMOM: 1951*7c478bd9Sstevel@tonic-gate case XMMOMS: 1952*7c478bd9Sstevel@tonic-gate case XMMOPM: 1953*7c478bd9Sstevel@tonic-gate case XMMOS: 1954*7c478bd9Sstevel@tonic-gate case XMMOMX: 1955*7c478bd9Sstevel@tonic-gate case XMMOX3: 1956*7c478bd9Sstevel@tonic-gate case XMMOXMM: 1957*7c478bd9Sstevel@tonic-gate /* 1958*7c478bd9Sstevel@tonic-gate * This is horrible. Some SIMD instructions take the 1959*7c478bd9Sstevel@tonic-gate * form 0x0F 0x?? ..., which is easily decoded using the 1960*7c478bd9Sstevel@tonic-gate * existing tables. Other SIMD instructions use various 1961*7c478bd9Sstevel@tonic-gate * prefix bytes to overload existing instructions. For 1962*7c478bd9Sstevel@tonic-gate * Example, addps is F0, 58, whereas addss is F3 (repz), 1963*7c478bd9Sstevel@tonic-gate * F0, 58. Presumably someone got a raise for this. 1964*7c478bd9Sstevel@tonic-gate * 1965*7c478bd9Sstevel@tonic-gate * If we see one of the instructions which can be 1966*7c478bd9Sstevel@tonic-gate * modified in this way (if we've got one of the SIMDO* 1967*7c478bd9Sstevel@tonic-gate * address modes), we'll check to see if the last prefix 1968*7c478bd9Sstevel@tonic-gate * was a repz. If it was, we strip the prefix from the 1969*7c478bd9Sstevel@tonic-gate * mnemonic, and we indirect using the dis_opSIMDrepz 1970*7c478bd9Sstevel@tonic-gate * table. 1971*7c478bd9Sstevel@tonic-gate */ 1972*7c478bd9Sstevel@tonic-gate 1973*7c478bd9Sstevel@tonic-gate /* 1974*7c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F 1975*7c478bd9Sstevel@tonic-gate */ 1976*7c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F)) 1977*7c478bd9Sstevel@tonic-gate goto error; 1978*7c478bd9Sstevel@tonic-gate 1979*7c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 1980*7c478bd9Sstevel@tonic-gate sizeof (instable_t); 1981*7c478bd9Sstevel@tonic-gate 1982*7c478bd9Sstevel@tonic-gate /* 1983*7c478bd9Sstevel@tonic-gate * Rewrite if this instruction used one of the magic prefixes. 1984*7c478bd9Sstevel@tonic-gate */ 1985*7c478bd9Sstevel@tonic-gate if (rep_prefix) { 1986*7c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 1987*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepnz[off]; 1988*7c478bd9Sstevel@tonic-gate else 1989*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepz[off]; 1990*7c478bd9Sstevel@tonic-gate rep_prefix = 0; 1991*7c478bd9Sstevel@tonic-gate } else if (opnd_size_prefix) { 1992*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDdata16[off]; 1993*7c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 1994*7c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 1995*7c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 1996*7c478bd9Sstevel@tonic-gate } 1997*7c478bd9Sstevel@tonic-gate break; 1998*7c478bd9Sstevel@tonic-gate 1999*7c478bd9Sstevel@tonic-gate case MMOSH: 2000*7c478bd9Sstevel@tonic-gate /* 2001*7c478bd9Sstevel@tonic-gate * As with the "normal" SIMD instructions, the MMX 2002*7c478bd9Sstevel@tonic-gate * shuffle instructions are overloaded. These 2003*7c478bd9Sstevel@tonic-gate * instructions, however, are special in that they use 2004*7c478bd9Sstevel@tonic-gate * an extra byte, and thus an extra table. As of this 2005*7c478bd9Sstevel@tonic-gate * writing, they only use the opnd_size prefix. 2006*7c478bd9Sstevel@tonic-gate */ 2007*7c478bd9Sstevel@tonic-gate 2008*7c478bd9Sstevel@tonic-gate /* 2009*7c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F7123 2010*7c478bd9Sstevel@tonic-gate */ 2011*7c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 > 2012*7c478bd9Sstevel@tonic-gate sizeof (dis_op0F7123)) 2013*7c478bd9Sstevel@tonic-gate goto error; 2014*7c478bd9Sstevel@tonic-gate 2015*7c478bd9Sstevel@tonic-gate if (opnd_size_prefix) { 2016*7c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) / 2017*7c478bd9Sstevel@tonic-gate sizeof (instable_t); 2018*7c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMD7123[off]; 2019*7c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 2020*7c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 2021*7c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 2022*7c478bd9Sstevel@tonic-gate } 2023*7c478bd9Sstevel@tonic-gate break; 2024*7c478bd9Sstevel@tonic-gate } 2025*7c478bd9Sstevel@tonic-gate 2026*7c478bd9Sstevel@tonic-gate /* 2027*7c478bd9Sstevel@tonic-gate * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64. 2028*7c478bd9Sstevel@tonic-gate */ 2029*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) 2030*7c478bd9Sstevel@tonic-gate if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop)) 2031*7c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 2032*7c478bd9Sstevel@tonic-gate 2033*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2034*7c478bd9Sstevel@tonic-gate /* 2035*7c478bd9Sstevel@tonic-gate * At this point most instructions can format the opcode mnemonic 2036*7c478bd9Sstevel@tonic-gate * including the prefixes. 2037*7c478bd9Sstevel@tonic-gate */ 2038*7c478bd9Sstevel@tonic-gate if (lock_prefix) 2039*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "lock ", OPLEN); 2040*7c478bd9Sstevel@tonic-gate 2041*7c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 2042*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "repnz ", OPLEN); 2043*7c478bd9Sstevel@tonic-gate else if (rep_prefix == 0xf3) 2044*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "repz ", OPLEN); 2045*7c478bd9Sstevel@tonic-gate 2046*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && addr_size_prefix) 2047*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "addr32 ", OPLEN); 2048*7c478bd9Sstevel@tonic-gate 2049*7c478bd9Sstevel@tonic-gate if (dp->it_adrmode != CBW && 2050*7c478bd9Sstevel@tonic-gate dp->it_adrmode != CWD && 2051*7c478bd9Sstevel@tonic-gate dp->it_adrmode != XMMSFNC) { 2052*7c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "INVALID") == 0) 2053*7c478bd9Sstevel@tonic-gate goto error; 2054*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, dp->it_name, OPLEN); 2055*7c478bd9Sstevel@tonic-gate if (dp->it_suffix) { 2056*7c478bd9Sstevel@tonic-gate char *types[] = {"", "w", "l", "q"}; 2057*7c478bd9Sstevel@tonic-gate if (opcode_bytes == 2 && opcode4 == 4) { 2058*7c478bd9Sstevel@tonic-gate /* It's a cmovx.yy. Replace the suffix x */ 2059*7c478bd9Sstevel@tonic-gate for (i = 5; i < OPLEN; i++) { 2060*7c478bd9Sstevel@tonic-gate if (x->d86_mneu[i] == '.') 2061*7c478bd9Sstevel@tonic-gate break; 2062*7c478bd9Sstevel@tonic-gate } 2063*7c478bd9Sstevel@tonic-gate x->d86_mneu[i - 1] = *types[opnd_size]; 2064*7c478bd9Sstevel@tonic-gate } else 2065*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, types[opnd_size], OPLEN); 2066*7c478bd9Sstevel@tonic-gate } 2067*7c478bd9Sstevel@tonic-gate } 2068*7c478bd9Sstevel@tonic-gate #endif 2069*7c478bd9Sstevel@tonic-gate 2070*7c478bd9Sstevel@tonic-gate /* 2071*7c478bd9Sstevel@tonic-gate * Process operands based on the addressing modes. 2072*7c478bd9Sstevel@tonic-gate */ 2073*7c478bd9Sstevel@tonic-gate x->d86_mode = cpu_mode; 2074*7c478bd9Sstevel@tonic-gate x->d86_rex_prefix = rex_prefix; 2075*7c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size; 2076*7c478bd9Sstevel@tonic-gate x->d86_addr_size = addr_size; 2077*7c478bd9Sstevel@tonic-gate vbit = 0; /* initialize for mem/reg -> reg */ 2078*7c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 2079*7c478bd9Sstevel@tonic-gate /* 2080*7c478bd9Sstevel@tonic-gate * amd64 instruction to sign extend 32 bit reg/mem operands 2081*7c478bd9Sstevel@tonic-gate * into 64 bit register values 2082*7c478bd9Sstevel@tonic-gate */ 2083*7c478bd9Sstevel@tonic-gate case MOVSXZ: 2084*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2085*7c478bd9Sstevel@tonic-gate if (rex_prefix == 0) 2086*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "movzld", OPLEN); 2087*7c478bd9Sstevel@tonic-gate #endif 2088*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2089*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2090*7c478bd9Sstevel@tonic-gate x->d86_opnd_size = SIZE64; 2091*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 2092*7c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE32; 2093*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2094*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2095*7c478bd9Sstevel@tonic-gate break; 2096*7c478bd9Sstevel@tonic-gate 2097*7c478bd9Sstevel@tonic-gate /* 2098*7c478bd9Sstevel@tonic-gate * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF) 2099*7c478bd9Sstevel@tonic-gate * movzbl movzbw movzbq (0x0FB6) or mobzwl movzwq (0x0FB7) 2100*7c478bd9Sstevel@tonic-gate * wbit lives in 2nd byte, note that operands 2101*7c478bd9Sstevel@tonic-gate * are different sized 2102*7c478bd9Sstevel@tonic-gate */ 2103*7c478bd9Sstevel@tonic-gate case MOVZ: 2104*7c478bd9Sstevel@tonic-gate if (rex_prefix & REX_W) { 2105*7c478bd9Sstevel@tonic-gate /* target register size = 64 bit */ 2106*7c478bd9Sstevel@tonic-gate x->d86_mneu[5] = 'q'; 2107*7c478bd9Sstevel@tonic-gate } 2108*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2109*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2110*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 2111*7c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE16; 2112*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 2113*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2114*7c478bd9Sstevel@tonic-gate break; 2115*7c478bd9Sstevel@tonic-gate 2116*7c478bd9Sstevel@tonic-gate /* 2117*7c478bd9Sstevel@tonic-gate * imul instruction, with either 8-bit or longer immediate 2118*7c478bd9Sstevel@tonic-gate * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s) 2119*7c478bd9Sstevel@tonic-gate */ 2120*7c478bd9Sstevel@tonic-gate case IMUL: 2121*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2122*7c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 2123*7c478bd9Sstevel@tonic-gate OPSIZE(opnd_size, opcode2 == 0x9)); 2124*7c478bd9Sstevel@tonic-gate break; 2125*7c478bd9Sstevel@tonic-gate 2126*7c478bd9Sstevel@tonic-gate /* memory or register operand to register, with 'w' bit */ 2127*7c478bd9Sstevel@tonic-gate case MRw: 2128*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2129*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 2130*7c478bd9Sstevel@tonic-gate break; 2131*7c478bd9Sstevel@tonic-gate 2132*7c478bd9Sstevel@tonic-gate /* register to memory or register operand, with 'w' bit */ 2133*7c478bd9Sstevel@tonic-gate /* arpl happens to fit here also because it is odd */ 2134*7c478bd9Sstevel@tonic-gate case RMw: 2135*7c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 2136*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 2137*7c478bd9Sstevel@tonic-gate else 2138*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2139*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 2140*7c478bd9Sstevel@tonic-gate break; 2141*7c478bd9Sstevel@tonic-gate 2142*7c478bd9Sstevel@tonic-gate /* xaddb instruction */ 2143*7c478bd9Sstevel@tonic-gate case XADDB: 2144*7c478bd9Sstevel@tonic-gate wbit = 0; 2145*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 2146*7c478bd9Sstevel@tonic-gate break; 2147*7c478bd9Sstevel@tonic-gate 2148*7c478bd9Sstevel@tonic-gate /* MMX register to memory or register operand */ 2149*7c478bd9Sstevel@tonic-gate case MMS: 2150*7c478bd9Sstevel@tonic-gate case MMOS: 2151*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2152*7c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 2153*7c478bd9Sstevel@tonic-gate #else 2154*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2155*7c478bd9Sstevel@tonic-gate #endif 2156*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 2157*7c478bd9Sstevel@tonic-gate break; 2158*7c478bd9Sstevel@tonic-gate 2159*7c478bd9Sstevel@tonic-gate /* MMX register to memory */ 2160*7c478bd9Sstevel@tonic-gate case MMOMS: 2161*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2162*7c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) 2163*7c478bd9Sstevel@tonic-gate goto error; 2164*7c478bd9Sstevel@tonic-gate wbit = MM_OPND; 2165*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 2166*7c478bd9Sstevel@tonic-gate break; 2167*7c478bd9Sstevel@tonic-gate 2168*7c478bd9Sstevel@tonic-gate /* Double shift. Has immediate operand specifying the shift. */ 2169*7c478bd9Sstevel@tonic-gate case DSHIFT: 2170*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2171*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2172*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2173*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 2); 2174*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 2175*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 2176*7c478bd9Sstevel@tonic-gate break; 2177*7c478bd9Sstevel@tonic-gate 2178*7c478bd9Sstevel@tonic-gate /* 2179*7c478bd9Sstevel@tonic-gate * Double shift. With no immediate operand, specifies using %cl. 2180*7c478bd9Sstevel@tonic-gate */ 2181*7c478bd9Sstevel@tonic-gate case DSHIFTcl: 2182*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2183*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 2184*7c478bd9Sstevel@tonic-gate break; 2185*7c478bd9Sstevel@tonic-gate 2186*7c478bd9Sstevel@tonic-gate /* immediate to memory or register operand */ 2187*7c478bd9Sstevel@tonic-gate case IMlw: 2188*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2189*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2190*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 2191*7c478bd9Sstevel@tonic-gate /* 2192*7c478bd9Sstevel@tonic-gate * Have long immediate for opcode 0x81, but not 0x80 nor 0x83 2193*7c478bd9Sstevel@tonic-gate */ 2194*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0); 2195*7c478bd9Sstevel@tonic-gate break; 2196*7c478bd9Sstevel@tonic-gate 2197*7c478bd9Sstevel@tonic-gate /* immediate to memory or register operand with the */ 2198*7c478bd9Sstevel@tonic-gate /* 'w' bit present */ 2199*7c478bd9Sstevel@tonic-gate case IMw: 2200*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2201*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2202*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2203*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 2204*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 2205*7c478bd9Sstevel@tonic-gate break; 2206*7c478bd9Sstevel@tonic-gate 2207*7c478bd9Sstevel@tonic-gate /* immediate to register with register in low 3 bits */ 2208*7c478bd9Sstevel@tonic-gate /* of op code */ 2209*7c478bd9Sstevel@tonic-gate case IR: 2210*7c478bd9Sstevel@tonic-gate /* w-bit here (with regs) is bit 3 */ 2211*7c478bd9Sstevel@tonic-gate wbit = opcode2 >>3 & 0x1; 2212*7c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 2213*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 2214*7c478bd9Sstevel@tonic-gate mode = REG_ONLY; 2215*7c478bd9Sstevel@tonic-gate r_m = reg; 2216*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 2217*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0); 2218*7c478bd9Sstevel@tonic-gate break; 2219*7c478bd9Sstevel@tonic-gate 2220*7c478bd9Sstevel@tonic-gate /* MMX immediate shift of register */ 2221*7c478bd9Sstevel@tonic-gate case MMSH: 2222*7c478bd9Sstevel@tonic-gate case MMOSH: 2223*7c478bd9Sstevel@tonic-gate wbit = MM_OPND; 2224*7c478bd9Sstevel@tonic-gate goto mm_shift; /* in next case */ 2225*7c478bd9Sstevel@tonic-gate 2226*7c478bd9Sstevel@tonic-gate /* SIMD immediate shift of register */ 2227*7c478bd9Sstevel@tonic-gate case XMMSH: 2228*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2229*7c478bd9Sstevel@tonic-gate mm_shift: 2230*7c478bd9Sstevel@tonic-gate reg = REGNO(opcode7); 2231*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 2232*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 2233*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 2234*7c478bd9Sstevel@tonic-gate NOMEM; 2235*7c478bd9Sstevel@tonic-gate break; 2236*7c478bd9Sstevel@tonic-gate 2237*7c478bd9Sstevel@tonic-gate /* accumulator to memory operand */ 2238*7c478bd9Sstevel@tonic-gate case AO: 2239*7c478bd9Sstevel@tonic-gate vbit = 1; 2240*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2241*7c478bd9Sstevel@tonic-gate 2242*7c478bd9Sstevel@tonic-gate /* memory operand to accumulator */ 2243*7c478bd9Sstevel@tonic-gate case OA: 2244*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2245*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit); 2246*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit); 2247*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2248*7c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_mode = MODE_OFFSET; 2249*7c478bd9Sstevel@tonic-gate #endif 2250*7c478bd9Sstevel@tonic-gate break; 2251*7c478bd9Sstevel@tonic-gate 2252*7c478bd9Sstevel@tonic-gate 2253*7c478bd9Sstevel@tonic-gate /* segment register to memory or register operand */ 2254*7c478bd9Sstevel@tonic-gate case SM: 2255*7c478bd9Sstevel@tonic-gate vbit = 1; 2256*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2257*7c478bd9Sstevel@tonic-gate 2258*7c478bd9Sstevel@tonic-gate /* memory or register operand to segment register */ 2259*7c478bd9Sstevel@tonic-gate case MS: 2260*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2261*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2262*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit); 2263*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit); 2264*7c478bd9Sstevel@tonic-gate break; 2265*7c478bd9Sstevel@tonic-gate 2266*7c478bd9Sstevel@tonic-gate /* 2267*7c478bd9Sstevel@tonic-gate * rotate or shift instructions, which may shift by 1 or 2268*7c478bd9Sstevel@tonic-gate * consult the cl register, depending on the 'v' bit 2269*7c478bd9Sstevel@tonic-gate */ 2270*7c478bd9Sstevel@tonic-gate case Mv: 2271*7c478bd9Sstevel@tonic-gate vbit = VBIT(opcode2); 2272*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2273*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2274*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 2275*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2276*7c478bd9Sstevel@tonic-gate if (vbit) { 2277*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN); 2278*7c478bd9Sstevel@tonic-gate } else { 2279*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 2280*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 2281*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 1; 2282*7c478bd9Sstevel@tonic-gate } 2283*7c478bd9Sstevel@tonic-gate #endif 2284*7c478bd9Sstevel@tonic-gate break; 2285*7c478bd9Sstevel@tonic-gate /* 2286*7c478bd9Sstevel@tonic-gate * immediate rotate or shift instructions 2287*7c478bd9Sstevel@tonic-gate */ 2288*7c478bd9Sstevel@tonic-gate case MvI: 2289*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2290*7c478bd9Sstevel@tonic-gate normal_imm_mem: 2291*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2292*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 2293*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 2294*7c478bd9Sstevel@tonic-gate break; 2295*7c478bd9Sstevel@tonic-gate 2296*7c478bd9Sstevel@tonic-gate /* bit test instructions */ 2297*7c478bd9Sstevel@tonic-gate case MIb: 2298*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2299*7c478bd9Sstevel@tonic-gate goto normal_imm_mem; 2300*7c478bd9Sstevel@tonic-gate 2301*7c478bd9Sstevel@tonic-gate /* single memory or register operand with 'w' bit present */ 2302*7c478bd9Sstevel@tonic-gate case Mw: 2303*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2304*7c478bd9Sstevel@tonic-gate just_mem: 2305*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2306*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2307*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2308*7c478bd9Sstevel@tonic-gate break; 2309*7c478bd9Sstevel@tonic-gate 2310*7c478bd9Sstevel@tonic-gate case SWAPGS: 2311*7c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) { 2312*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2313*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "swapgs", OPLEN); 2314*7c478bd9Sstevel@tonic-gate #endif 2315*7c478bd9Sstevel@tonic-gate NOMEM; 2316*7c478bd9Sstevel@tonic-gate break; 2317*7c478bd9Sstevel@tonic-gate } 2318*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2319*7c478bd9Sstevel@tonic-gate 2320*7c478bd9Sstevel@tonic-gate /* prefetch instruction - memory operand, but no memory acess */ 2321*7c478bd9Sstevel@tonic-gate case PREF: 2322*7c478bd9Sstevel@tonic-gate NOMEM; 2323*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2324*7c478bd9Sstevel@tonic-gate 2325*7c478bd9Sstevel@tonic-gate /* single memory or register operand */ 2326*7c478bd9Sstevel@tonic-gate case M: 2327*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2328*7c478bd9Sstevel@tonic-gate goto just_mem; 2329*7c478bd9Sstevel@tonic-gate 2330*7c478bd9Sstevel@tonic-gate /* single memory or register byte operand */ 2331*7c478bd9Sstevel@tonic-gate case Mb: 2332*7c478bd9Sstevel@tonic-gate wbit = BYTE_OPND; 2333*7c478bd9Sstevel@tonic-gate goto just_mem; 2334*7c478bd9Sstevel@tonic-gate 2335*7c478bd9Sstevel@tonic-gate case MO: 2336*7c478bd9Sstevel@tonic-gate /* Similar to M, but only memory (no direct registers) */ 2337*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2338*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2339*7c478bd9Sstevel@tonic-gate if (mode == 3) 2340*7c478bd9Sstevel@tonic-gate goto error; 2341*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2342*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2343*7c478bd9Sstevel@tonic-gate break; 2344*7c478bd9Sstevel@tonic-gate 2345*7c478bd9Sstevel@tonic-gate /* move special register to register or reverse if vbit */ 2346*7c478bd9Sstevel@tonic-gate case SREG: 2347*7c478bd9Sstevel@tonic-gate switch (opcode5) { 2348*7c478bd9Sstevel@tonic-gate 2349*7c478bd9Sstevel@tonic-gate case 2: 2350*7c478bd9Sstevel@tonic-gate vbit = 1; 2351*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2352*7c478bd9Sstevel@tonic-gate case 0: 2353*7c478bd9Sstevel@tonic-gate wbit = CONTROL_OPND; 2354*7c478bd9Sstevel@tonic-gate break; 2355*7c478bd9Sstevel@tonic-gate 2356*7c478bd9Sstevel@tonic-gate case 3: 2357*7c478bd9Sstevel@tonic-gate vbit = 1; 2358*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2359*7c478bd9Sstevel@tonic-gate case 1: 2360*7c478bd9Sstevel@tonic-gate wbit = DEBUG_OPND; 2361*7c478bd9Sstevel@tonic-gate break; 2362*7c478bd9Sstevel@tonic-gate 2363*7c478bd9Sstevel@tonic-gate case 6: 2364*7c478bd9Sstevel@tonic-gate vbit = 1; 2365*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2366*7c478bd9Sstevel@tonic-gate case 4: 2367*7c478bd9Sstevel@tonic-gate wbit = TEST_OPND; 2368*7c478bd9Sstevel@tonic-gate break; 2369*7c478bd9Sstevel@tonic-gate 2370*7c478bd9Sstevel@tonic-gate } 2371*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2372*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2373*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit); 2374*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit); 2375*7c478bd9Sstevel@tonic-gate NOMEM; 2376*7c478bd9Sstevel@tonic-gate break; 2377*7c478bd9Sstevel@tonic-gate 2378*7c478bd9Sstevel@tonic-gate /* 2379*7c478bd9Sstevel@tonic-gate * single register operand with register in the low 3 2380*7c478bd9Sstevel@tonic-gate * bits of op code 2381*7c478bd9Sstevel@tonic-gate */ 2382*7c478bd9Sstevel@tonic-gate case R: 2383*7c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 2384*7c478bd9Sstevel@tonic-gate reg = REGNO(opcode5); 2385*7c478bd9Sstevel@tonic-gate else 2386*7c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 2387*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 2388*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 2389*7c478bd9Sstevel@tonic-gate NOMEM; 2390*7c478bd9Sstevel@tonic-gate break; 2391*7c478bd9Sstevel@tonic-gate 2392*7c478bd9Sstevel@tonic-gate /* 2393*7c478bd9Sstevel@tonic-gate * register to accumulator with register in the low 3 2394*7c478bd9Sstevel@tonic-gate * bits of op code, xchg instructions 2395*7c478bd9Sstevel@tonic-gate */ 2396*7c478bd9Sstevel@tonic-gate case RA: 2397*7c478bd9Sstevel@tonic-gate NOMEM; 2398*7c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 2399*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 2400*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 2401*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1); 2402*7c478bd9Sstevel@tonic-gate break; 2403*7c478bd9Sstevel@tonic-gate 2404*7c478bd9Sstevel@tonic-gate /* 2405*7c478bd9Sstevel@tonic-gate * single segment register operand, with register in 2406*7c478bd9Sstevel@tonic-gate * bits 3-4 of op code byte 2407*7c478bd9Sstevel@tonic-gate */ 2408*7c478bd9Sstevel@tonic-gate case SEG: 2409*7c478bd9Sstevel@tonic-gate NOMEM; 2410*7c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3; 2411*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 2412*7c478bd9Sstevel@tonic-gate break; 2413*7c478bd9Sstevel@tonic-gate 2414*7c478bd9Sstevel@tonic-gate /* 2415*7c478bd9Sstevel@tonic-gate * single segment register operand, with register in 2416*7c478bd9Sstevel@tonic-gate * bits 3-5 of op code 2417*7c478bd9Sstevel@tonic-gate */ 2418*7c478bd9Sstevel@tonic-gate case LSEG: 2419*7c478bd9Sstevel@tonic-gate NOMEM; 2420*7c478bd9Sstevel@tonic-gate /* long seg reg from opcode */ 2421*7c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7; 2422*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 2423*7c478bd9Sstevel@tonic-gate break; 2424*7c478bd9Sstevel@tonic-gate 2425*7c478bd9Sstevel@tonic-gate /* memory or register operand to register */ 2426*7c478bd9Sstevel@tonic-gate case MR: 2427*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2428*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 2429*7c478bd9Sstevel@tonic-gate break; 2430*7c478bd9Sstevel@tonic-gate 2431*7c478bd9Sstevel@tonic-gate case RM: 2432*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2433*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 2434*7c478bd9Sstevel@tonic-gate break; 2435*7c478bd9Sstevel@tonic-gate 2436*7c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int memory or mm reg to mm reg */ 2437*7c478bd9Sstevel@tonic-gate case MM: 2438*7c478bd9Sstevel@tonic-gate case MMO: 2439*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2440*7c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 2441*7c478bd9Sstevel@tonic-gate #else 2442*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2443*7c478bd9Sstevel@tonic-gate #endif 2444*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 2445*7c478bd9Sstevel@tonic-gate break; 2446*7c478bd9Sstevel@tonic-gate 2447*7c478bd9Sstevel@tonic-gate case MMOIMPL: 2448*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2449*7c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 2450*7c478bd9Sstevel@tonic-gate #else 2451*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2452*7c478bd9Sstevel@tonic-gate #endif 2453*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2454*7c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 2455*7c478bd9Sstevel@tonic-gate goto error; 2456*7c478bd9Sstevel@tonic-gate 2457*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2458*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2459*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1); 2460*7c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 2461*7c478bd9Sstevel@tonic-gate break; 2462*7c478bd9Sstevel@tonic-gate 2463*7c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */ 2464*7c478bd9Sstevel@tonic-gate case MMO3P: 2465*7c478bd9Sstevel@tonic-gate wbit = MM_OPND; 2466*7c478bd9Sstevel@tonic-gate goto xmm3p; 2467*7c478bd9Sstevel@tonic-gate case XMM3P: 2468*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2469*7c478bd9Sstevel@tonic-gate xmm3p: 2470*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2471*7c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 2472*7c478bd9Sstevel@tonic-gate goto error; 2473*7c478bd9Sstevel@tonic-gate 2474*7c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1); 2475*7c478bd9Sstevel@tonic-gate NOMEM; 2476*7c478bd9Sstevel@tonic-gate break; 2477*7c478bd9Sstevel@tonic-gate 2478*7c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated r32/mem to mm reg */ 2479*7c478bd9Sstevel@tonic-gate case MMOPRM: 2480*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2481*7c478bd9Sstevel@tonic-gate w2 = MM_OPND; 2482*7c478bd9Sstevel@tonic-gate goto xmmprm; 2483*7c478bd9Sstevel@tonic-gate case XMMPRM: 2484*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2485*7c478bd9Sstevel@tonic-gate w2 = XMM_OPND; 2486*7c478bd9Sstevel@tonic-gate xmmprm: 2487*7c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1); 2488*7c478bd9Sstevel@tonic-gate break; 2489*7c478bd9Sstevel@tonic-gate 2490*7c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated mm/mem to mm reg */ 2491*7c478bd9Sstevel@tonic-gate case MMOPM: 2492*7c478bd9Sstevel@tonic-gate wbit = w2 = MM_OPND; 2493*7c478bd9Sstevel@tonic-gate goto xmmprm; 2494*7c478bd9Sstevel@tonic-gate 2495*7c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int mm reg to r32 */ 2496*7c478bd9Sstevel@tonic-gate case MMOM3: 2497*7c478bd9Sstevel@tonic-gate NOMEM; 2498*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2499*7c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 2500*7c478bd9Sstevel@tonic-gate goto error; 2501*7c478bd9Sstevel@tonic-gate wbit = MM_OPND; 2502*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 2503*7c478bd9Sstevel@tonic-gate break; 2504*7c478bd9Sstevel@tonic-gate 2505*7c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg operand to xmm reg */ 2506*7c478bd9Sstevel@tonic-gate case XMM: 2507*7c478bd9Sstevel@tonic-gate case XMMO: 2508*7c478bd9Sstevel@tonic-gate case XMMXIMPL: 2509*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2510*7c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 2511*7c478bd9Sstevel@tonic-gate 2512*7c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY) 2513*7c478bd9Sstevel@tonic-gate goto error; 2514*7c478bd9Sstevel@tonic-gate 2515*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2516*7c478bd9Sstevel@tonic-gate /* 2517*7c478bd9Sstevel@tonic-gate * movlps and movhlps share opcodes. They differ in the 2518*7c478bd9Sstevel@tonic-gate * addressing modes allowed for their operands. 2519*7c478bd9Sstevel@tonic-gate * movhps and movlhps behave similarly. 2520*7c478bd9Sstevel@tonic-gate */ 2521*7c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 2522*7c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movlps") == 0) 2523*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "movhlps", OPLEN); 2524*7c478bd9Sstevel@tonic-gate else if (strcmp(dp->it_name, "movhps") == 0) 2525*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "movlhps", OPLEN); 2526*7c478bd9Sstevel@tonic-gate } 2527*7c478bd9Sstevel@tonic-gate #endif 2528*7c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL) 2529*7c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 2530*7c478bd9Sstevel@tonic-gate break; 2531*7c478bd9Sstevel@tonic-gate 2532*7c478bd9Sstevel@tonic-gate /* SIMD xmm reg to memory or xmm reg */ 2533*7c478bd9Sstevel@tonic-gate case XMMS: 2534*7c478bd9Sstevel@tonic-gate case XMMOS: 2535*7c478bd9Sstevel@tonic-gate case XMMMS: 2536*7c478bd9Sstevel@tonic-gate case XMMOMS: 2537*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2538*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2539*7c478bd9Sstevel@tonic-gate if ((strcmp(dp->it_name, "movlps") == 0 || 2540*7c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movhps") == 0 || 2541*7c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movntps") == 0) && 2542*7c478bd9Sstevel@tonic-gate mode == REG_ONLY) 2543*7c478bd9Sstevel@tonic-gate goto error; 2544*7c478bd9Sstevel@tonic-gate #endif 2545*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2546*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 2547*7c478bd9Sstevel@tonic-gate break; 2548*7c478bd9Sstevel@tonic-gate 2549*7c478bd9Sstevel@tonic-gate /* SIMD memory to xmm reg */ 2550*7c478bd9Sstevel@tonic-gate case XMMM: 2551*7c478bd9Sstevel@tonic-gate case XMMOM: 2552*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2553*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2554*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2555*7c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 2556*7c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movhps") == 0) 2557*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "movlhps", OPLEN); 2558*7c478bd9Sstevel@tonic-gate else 2559*7c478bd9Sstevel@tonic-gate goto error; 2560*7c478bd9Sstevel@tonic-gate } 2561*7c478bd9Sstevel@tonic-gate #endif 2562*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 2563*7c478bd9Sstevel@tonic-gate break; 2564*7c478bd9Sstevel@tonic-gate 2565*7c478bd9Sstevel@tonic-gate /* SIMD memory or r32 to xmm reg */ 2566*7c478bd9Sstevel@tonic-gate case XMM3MX: 2567*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2568*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 2569*7c478bd9Sstevel@tonic-gate break; 2570*7c478bd9Sstevel@tonic-gate 2571*7c478bd9Sstevel@tonic-gate case XMM3MXS: 2572*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2573*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 2574*7c478bd9Sstevel@tonic-gate break; 2575*7c478bd9Sstevel@tonic-gate 2576*7c478bd9Sstevel@tonic-gate /* SIMD memory or mm reg to xmm reg */ 2577*7c478bd9Sstevel@tonic-gate case XMMOMX: 2578*7c478bd9Sstevel@tonic-gate /* SIMD mm to xmm */ 2579*7c478bd9Sstevel@tonic-gate case XMMMX: 2580*7c478bd9Sstevel@tonic-gate wbit = MM_OPND; 2581*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 2582*7c478bd9Sstevel@tonic-gate break; 2583*7c478bd9Sstevel@tonic-gate 2584*7c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to mm reg */ 2585*7c478bd9Sstevel@tonic-gate case XMMXMM: 2586*7c478bd9Sstevel@tonic-gate case XMMOXMM: 2587*7c478bd9Sstevel@tonic-gate case XMMXM: 2588*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2589*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 2590*7c478bd9Sstevel@tonic-gate break; 2591*7c478bd9Sstevel@tonic-gate 2592*7c478bd9Sstevel@tonic-gate 2593*7c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to r32 */ 2594*7c478bd9Sstevel@tonic-gate case XMMXM3: 2595*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2596*7c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 2597*7c478bd9Sstevel@tonic-gate break; 2598*7c478bd9Sstevel@tonic-gate 2599*7c478bd9Sstevel@tonic-gate /* SIMD xmm to r32 */ 2600*7c478bd9Sstevel@tonic-gate case XMMX3: 2601*7c478bd9Sstevel@tonic-gate case XMMOX3: 2602*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2603*7c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 2604*7c478bd9Sstevel@tonic-gate goto error; 2605*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2606*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, XMM_OPND, 0); 2607*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 2608*7c478bd9Sstevel@tonic-gate NOMEM; 2609*7c478bd9Sstevel@tonic-gate break; 2610*7c478bd9Sstevel@tonic-gate 2611*7c478bd9Sstevel@tonic-gate /* SIMD predicated memory or xmm reg with/to xmm reg */ 2612*7c478bd9Sstevel@tonic-gate case XMMP: 2613*7c478bd9Sstevel@tonic-gate case XMMOPM: 2614*7c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 2615*7c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 2616*7c478bd9Sstevel@tonic-gate 2617*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2618*7c478bd9Sstevel@tonic-gate /* 2619*7c478bd9Sstevel@tonic-gate * cmpps and cmpss vary their instruction name based 2620*7c478bd9Sstevel@tonic-gate * on the value of imm8. Other XMMP instructions, 2621*7c478bd9Sstevel@tonic-gate * such as shufps, require explicit specification of 2622*7c478bd9Sstevel@tonic-gate * the predicate. 2623*7c478bd9Sstevel@tonic-gate */ 2624*7c478bd9Sstevel@tonic-gate if (dp->it_name[0] == 'c' && 2625*7c478bd9Sstevel@tonic-gate dp->it_name[1] == 'm' && 2626*7c478bd9Sstevel@tonic-gate dp->it_name[2] == 'p' && 2627*7c478bd9Sstevel@tonic-gate strlen(dp->it_name) == 5) { 2628*7c478bd9Sstevel@tonic-gate uchar_t pred = x->d86_opnd[0].d86_value & 0xff; 2629*7c478bd9Sstevel@tonic-gate 2630*7c478bd9Sstevel@tonic-gate if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *))) 2631*7c478bd9Sstevel@tonic-gate goto error; 2632*7c478bd9Sstevel@tonic-gate 2633*7c478bd9Sstevel@tonic-gate strncpy(x->d86_mneu, "cmp", OPLEN); 2634*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, dis_PREDSUFFIX[pred], 2635*7c478bd9Sstevel@tonic-gate OPLEN); 2636*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, 2637*7c478bd9Sstevel@tonic-gate dp->it_name + strlen(dp->it_name) - 2, 2638*7c478bd9Sstevel@tonic-gate OPLEN); 2639*7c478bd9Sstevel@tonic-gate x->d86_opnd[0] = x->d86_opnd[1]; 2640*7c478bd9Sstevel@tonic-gate x->d86_opnd[1] = x->d86_opnd[2]; 2641*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2642*7c478bd9Sstevel@tonic-gate } 2643*7c478bd9Sstevel@tonic-gate #endif 2644*7c478bd9Sstevel@tonic-gate break; 2645*7c478bd9Sstevel@tonic-gate 2646*7c478bd9Sstevel@tonic-gate /* immediate operand to accumulator */ 2647*7c478bd9Sstevel@tonic-gate case IA: 2648*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2649*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 2650*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 2651*7c478bd9Sstevel@tonic-gate NOMEM; 2652*7c478bd9Sstevel@tonic-gate break; 2653*7c478bd9Sstevel@tonic-gate 2654*7c478bd9Sstevel@tonic-gate /* memory or register operand to accumulator */ 2655*7c478bd9Sstevel@tonic-gate case MA: 2656*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2657*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2658*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 2659*7c478bd9Sstevel@tonic-gate break; 2660*7c478bd9Sstevel@tonic-gate 2661*7c478bd9Sstevel@tonic-gate /* si register to di register used to reference memory */ 2662*7c478bd9Sstevel@tonic-gate case SD: 2663*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2664*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 2665*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2666*7c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) { 2667*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 2668*7c478bd9Sstevel@tonic-gate OPLEN); 2669*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 2670*7c478bd9Sstevel@tonic-gate OPLEN); 2671*7c478bd9Sstevel@tonic-gate } else if (addr_size == SIZE32) { 2672*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 2673*7c478bd9Sstevel@tonic-gate OPLEN); 2674*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 2675*7c478bd9Sstevel@tonic-gate OPLEN); 2676*7c478bd9Sstevel@tonic-gate } else { 2677*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 2678*7c478bd9Sstevel@tonic-gate OPLEN); 2679*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 2680*7c478bd9Sstevel@tonic-gate OPLEN); 2681*7c478bd9Sstevel@tonic-gate } 2682*7c478bd9Sstevel@tonic-gate #endif 2683*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2684*7c478bd9Sstevel@tonic-gate break; 2685*7c478bd9Sstevel@tonic-gate 2686*7c478bd9Sstevel@tonic-gate /* accumulator to di register */ 2687*7c478bd9Sstevel@tonic-gate case AD: 2688*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2689*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2690*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 2691*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2692*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0); 2693*7c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 2694*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 2695*7c478bd9Sstevel@tonic-gate OPLEN); 2696*7c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 2697*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 2698*7c478bd9Sstevel@tonic-gate OPLEN); 2699*7c478bd9Sstevel@tonic-gate else 2700*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 2701*7c478bd9Sstevel@tonic-gate OPLEN); 2702*7c478bd9Sstevel@tonic-gate #endif 2703*7c478bd9Sstevel@tonic-gate break; 2704*7c478bd9Sstevel@tonic-gate 2705*7c478bd9Sstevel@tonic-gate /* si register to accumulator */ 2706*7c478bd9Sstevel@tonic-gate case SA: 2707*7c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 2708*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2709*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 2710*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2711*7c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 2712*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 2713*7c478bd9Sstevel@tonic-gate OPLEN); 2714*7c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 2715*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 2716*7c478bd9Sstevel@tonic-gate OPLEN); 2717*7c478bd9Sstevel@tonic-gate else 2718*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 2719*7c478bd9Sstevel@tonic-gate OPLEN); 2720*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 2721*7c478bd9Sstevel@tonic-gate #endif 2722*7c478bd9Sstevel@tonic-gate break; 2723*7c478bd9Sstevel@tonic-gate 2724*7c478bd9Sstevel@tonic-gate /* 2725*7c478bd9Sstevel@tonic-gate * single operand, a 16/32 bit displacement 2726*7c478bd9Sstevel@tonic-gate */ 2727*7c478bd9Sstevel@tonic-gate case D: 2728*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2729*7c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 2730*7c478bd9Sstevel@tonic-gate NOMEM; 2731*7c478bd9Sstevel@tonic-gate break; 2732*7c478bd9Sstevel@tonic-gate 2733*7c478bd9Sstevel@tonic-gate /* jmp/call indirect to memory or register operand */ 2734*7c478bd9Sstevel@tonic-gate case INM: 2735*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2736*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN); 2737*7c478bd9Sstevel@tonic-gate #endif 2738*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 2739*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 2740*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2741*7c478bd9Sstevel@tonic-gate break; 2742*7c478bd9Sstevel@tonic-gate 2743*7c478bd9Sstevel@tonic-gate /* 2744*7c478bd9Sstevel@tonic-gate * for long jumps and long calls -- a new code segment 2745*7c478bd9Sstevel@tonic-gate * register and an offset in IP -- stored in object 2746*7c478bd9Sstevel@tonic-gate * code in reverse order. Note - not valid in amd64 2747*7c478bd9Sstevel@tonic-gate */ 2748*7c478bd9Sstevel@tonic-gate case SO: 2749*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 2750*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2751*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1); 2752*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2753*7c478bd9Sstevel@tonic-gate x->d86_opnd[1].d86_mode = MODE_SIGNED; 2754*7c478bd9Sstevel@tonic-gate #endif 2755*7c478bd9Sstevel@tonic-gate /* will now get segment operand */ 2756*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 2757*7c478bd9Sstevel@tonic-gate break; 2758*7c478bd9Sstevel@tonic-gate 2759*7c478bd9Sstevel@tonic-gate /* 2760*7c478bd9Sstevel@tonic-gate * jmp/call. single operand, 8 bit displacement. 2761*7c478bd9Sstevel@tonic-gate * added to current EIP in 'compofff' 2762*7c478bd9Sstevel@tonic-gate */ 2763*7c478bd9Sstevel@tonic-gate case BD: 2764*7c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, BYTE_OPND, 1, 0); 2765*7c478bd9Sstevel@tonic-gate NOMEM; 2766*7c478bd9Sstevel@tonic-gate break; 2767*7c478bd9Sstevel@tonic-gate 2768*7c478bd9Sstevel@tonic-gate /* single 32/16 bit immediate operand */ 2769*7c478bd9Sstevel@tonic-gate case I: 2770*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2771*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 2772*7c478bd9Sstevel@tonic-gate break; 2773*7c478bd9Sstevel@tonic-gate 2774*7c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 2775*7c478bd9Sstevel@tonic-gate case Ib: 2776*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2777*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 2778*7c478bd9Sstevel@tonic-gate break; 2779*7c478bd9Sstevel@tonic-gate 2780*7c478bd9Sstevel@tonic-gate case ENTER: 2781*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2782*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 2783*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 1); 2784*7c478bd9Sstevel@tonic-gate switch (opnd_size) { 2785*7c478bd9Sstevel@tonic-gate case SIZE64: 2786*7c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8; 2787*7c478bd9Sstevel@tonic-gate break; 2788*7c478bd9Sstevel@tonic-gate case SIZE32: 2789*7c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4; 2790*7c478bd9Sstevel@tonic-gate break; 2791*7c478bd9Sstevel@tonic-gate case SIZE16: 2792*7c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2; 2793*7c478bd9Sstevel@tonic-gate break; 2794*7c478bd9Sstevel@tonic-gate } 2795*7c478bd9Sstevel@tonic-gate 2796*7c478bd9Sstevel@tonic-gate break; 2797*7c478bd9Sstevel@tonic-gate 2798*7c478bd9Sstevel@tonic-gate /* 16-bit immediate operand */ 2799*7c478bd9Sstevel@tonic-gate case RET: 2800*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2801*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 2802*7c478bd9Sstevel@tonic-gate break; 2803*7c478bd9Sstevel@tonic-gate 2804*7c478bd9Sstevel@tonic-gate /* single 8 bit port operand */ 2805*7c478bd9Sstevel@tonic-gate case P: 2806*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 2807*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 2808*7c478bd9Sstevel@tonic-gate NOMEM; 2809*7c478bd9Sstevel@tonic-gate break; 2810*7c478bd9Sstevel@tonic-gate 2811*7c478bd9Sstevel@tonic-gate /* single operand, dx register (variable port instruction) */ 2812*7c478bd9Sstevel@tonic-gate case V: 2813*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 2814*7c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 2815*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2816*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN); 2817*7c478bd9Sstevel@tonic-gate #endif 2818*7c478bd9Sstevel@tonic-gate NOMEM; 2819*7c478bd9Sstevel@tonic-gate break; 2820*7c478bd9Sstevel@tonic-gate 2821*7c478bd9Sstevel@tonic-gate /* 2822*7c478bd9Sstevel@tonic-gate * The int instruction, which has two forms: 2823*7c478bd9Sstevel@tonic-gate * int 3 (breakpoint) or 2824*7c478bd9Sstevel@tonic-gate * int n, where n is indicated in the subsequent 2825*7c478bd9Sstevel@tonic-gate * byte (format Ib). The int 3 instruction (opcode 0xCC), 2826*7c478bd9Sstevel@tonic-gate * where, although the 3 looks like an operand, 2827*7c478bd9Sstevel@tonic-gate * it is implied by the opcode. It must be converted 2828*7c478bd9Sstevel@tonic-gate * to the correct base and output. 2829*7c478bd9Sstevel@tonic-gate */ 2830*7c478bd9Sstevel@tonic-gate case INT3: 2831*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2832*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 2833*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 2834*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 2835*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 3; 2836*7c478bd9Sstevel@tonic-gate #endif 2837*7c478bd9Sstevel@tonic-gate NOMEM; 2838*7c478bd9Sstevel@tonic-gate break; 2839*7c478bd9Sstevel@tonic-gate 2840*7c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 2841*7c478bd9Sstevel@tonic-gate case INTx: 2842*7c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 2843*7c478bd9Sstevel@tonic-gate NOMEM; 2844*7c478bd9Sstevel@tonic-gate break; 2845*7c478bd9Sstevel@tonic-gate 2846*7c478bd9Sstevel@tonic-gate /* an unused byte must be discarded */ 2847*7c478bd9Sstevel@tonic-gate case U: 2848*7c478bd9Sstevel@tonic-gate if (x->d86_get_byte(x->d86_data) < 0) 2849*7c478bd9Sstevel@tonic-gate goto error; 2850*7c478bd9Sstevel@tonic-gate x->d86_len++; 2851*7c478bd9Sstevel@tonic-gate NOMEM; 2852*7c478bd9Sstevel@tonic-gate break; 2853*7c478bd9Sstevel@tonic-gate 2854*7c478bd9Sstevel@tonic-gate case CBW: 2855*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2856*7c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 2857*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cbtw", OPLEN); 2858*7c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 2859*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cwtl", OPLEN); 2860*7c478bd9Sstevel@tonic-gate else 2861*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cltq", OPLEN); 2862*7c478bd9Sstevel@tonic-gate #endif 2863*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2864*7c478bd9Sstevel@tonic-gate NOMEM; 2865*7c478bd9Sstevel@tonic-gate break; 2866*7c478bd9Sstevel@tonic-gate 2867*7c478bd9Sstevel@tonic-gate case CWD: 2868*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2869*7c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 2870*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cwtd", OPLEN); 2871*7c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 2872*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cltd", OPLEN); 2873*7c478bd9Sstevel@tonic-gate else 2874*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "cqtd", OPLEN); 2875*7c478bd9Sstevel@tonic-gate #endif 2876*7c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 2877*7c478bd9Sstevel@tonic-gate NOMEM; 2878*7c478bd9Sstevel@tonic-gate break; 2879*7c478bd9Sstevel@tonic-gate 2880*7c478bd9Sstevel@tonic-gate case XMMSFNC: 2881*7c478bd9Sstevel@tonic-gate /* 2882*7c478bd9Sstevel@tonic-gate * sfence is sfence if mode is REG_ONLY. If mode isn't 2883*7c478bd9Sstevel@tonic-gate * REG_ONLY, mnemonic should be 'clflush'. 2884*7c478bd9Sstevel@tonic-gate */ 2885*7c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 2886*7c478bd9Sstevel@tonic-gate 2887*7c478bd9Sstevel@tonic-gate /* sfence doesn't take operands */ 2888*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2889*7c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 2890*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "sfence", OPLEN); 2891*7c478bd9Sstevel@tonic-gate } else { 2892*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "clflush", OPLEN); 2893*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2894*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 2895*7c478bd9Sstevel@tonic-gate NOMEM; 2896*7c478bd9Sstevel@tonic-gate } 2897*7c478bd9Sstevel@tonic-gate #else 2898*7c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) { 2899*7c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2900*7c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 2901*7c478bd9Sstevel@tonic-gate NOMEM; 2902*7c478bd9Sstevel@tonic-gate } 2903*7c478bd9Sstevel@tonic-gate #endif 2904*7c478bd9Sstevel@tonic-gate break; 2905*7c478bd9Sstevel@tonic-gate 2906*7c478bd9Sstevel@tonic-gate /* 2907*7c478bd9Sstevel@tonic-gate * no disassembly, the mnemonic was all there was so go on 2908*7c478bd9Sstevel@tonic-gate */ 2909*7c478bd9Sstevel@tonic-gate case NORM: 2910*7c478bd9Sstevel@tonic-gate if (dp->it_invalid32 && cpu_mode != SIZE64) 2911*7c478bd9Sstevel@tonic-gate goto error; 2912*7c478bd9Sstevel@tonic-gate NOMEM; 2913*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2914*7c478bd9Sstevel@tonic-gate case IMPLMEM: 2915*7c478bd9Sstevel@tonic-gate break; 2916*7c478bd9Sstevel@tonic-gate 2917*7c478bd9Sstevel@tonic-gate case XMMFENCE: 2918*7c478bd9Sstevel@tonic-gate /* 2919*7c478bd9Sstevel@tonic-gate * Only the following exact byte sequences are allowed: 2920*7c478bd9Sstevel@tonic-gate * 2921*7c478bd9Sstevel@tonic-gate * 0f ae e8 lfence 2922*7c478bd9Sstevel@tonic-gate * 0f ae f0 mfence 2923*7c478bd9Sstevel@tonic-gate */ 2924*7c478bd9Sstevel@tonic-gate if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 && 2925*7c478bd9Sstevel@tonic-gate (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0) 2926*7c478bd9Sstevel@tonic-gate goto error; 2927*7c478bd9Sstevel@tonic-gate 2928*7c478bd9Sstevel@tonic-gate break; 2929*7c478bd9Sstevel@tonic-gate 2930*7c478bd9Sstevel@tonic-gate 2931*7c478bd9Sstevel@tonic-gate /* float reg */ 2932*7c478bd9Sstevel@tonic-gate case F: 2933*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2934*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 2935*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN); 2936*7c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_opnd[4] = r_m + '0'; 2937*7c478bd9Sstevel@tonic-gate #endif 2938*7c478bd9Sstevel@tonic-gate NOMEM; 2939*7c478bd9Sstevel@tonic-gate break; 2940*7c478bd9Sstevel@tonic-gate 2941*7c478bd9Sstevel@tonic-gate /* float reg to float reg, with ret bit present */ 2942*7c478bd9Sstevel@tonic-gate case FF: 2943*7c478bd9Sstevel@tonic-gate vbit = opcode2 >> 2 & 0x1; /* vbit = 1: st -> st(i) */ 2944*7c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 2945*7c478bd9Sstevel@tonic-gate case FFC: /* case for vbit always = 0 */ 2946*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2947*7c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2948*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN); 2949*7c478bd9Sstevel@tonic-gate strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN); 2950*7c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_opnd[4] = r_m + '0'; 2951*7c478bd9Sstevel@tonic-gate #endif 2952*7c478bd9Sstevel@tonic-gate NOMEM; 2953*7c478bd9Sstevel@tonic-gate break; 2954*7c478bd9Sstevel@tonic-gate 2955*7c478bd9Sstevel@tonic-gate /* an invalid op code */ 2956*7c478bd9Sstevel@tonic-gate case AM: 2957*7c478bd9Sstevel@tonic-gate case DM: 2958*7c478bd9Sstevel@tonic-gate case OVERRIDE: 2959*7c478bd9Sstevel@tonic-gate case PREFIX: 2960*7c478bd9Sstevel@tonic-gate case UNKNOWN: 2961*7c478bd9Sstevel@tonic-gate NOMEM; 2962*7c478bd9Sstevel@tonic-gate default: 2963*7c478bd9Sstevel@tonic-gate goto error; 2964*7c478bd9Sstevel@tonic-gate } /* end switch */ 2965*7c478bd9Sstevel@tonic-gate if (x->d86_error) 2966*7c478bd9Sstevel@tonic-gate goto error; 2967*7c478bd9Sstevel@tonic-gate 2968*7c478bd9Sstevel@tonic-gate done: 2969*7c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 2970*7c478bd9Sstevel@tonic-gate /* 2971*7c478bd9Sstevel@tonic-gate * compute the size of any memory accessed by the instruction 2972*7c478bd9Sstevel@tonic-gate */ 2973*7c478bd9Sstevel@tonic-gate if (x->d86_memsize != 0) { 2974*7c478bd9Sstevel@tonic-gate return (0); 2975*7c478bd9Sstevel@tonic-gate } else if (dp->it_stackop) { 2976*7c478bd9Sstevel@tonic-gate switch (opnd_size) { 2977*7c478bd9Sstevel@tonic-gate case SIZE16: 2978*7c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 2979*7c478bd9Sstevel@tonic-gate break; 2980*7c478bd9Sstevel@tonic-gate case SIZE32: 2981*7c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 2982*7c478bd9Sstevel@tonic-gate break; 2983*7c478bd9Sstevel@tonic-gate case SIZE64: 2984*7c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 2985*7c478bd9Sstevel@tonic-gate break; 2986*7c478bd9Sstevel@tonic-gate } 2987*7c478bd9Sstevel@tonic-gate } else if (nomem || mode == REG_ONLY) { 2988*7c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 2989*7c478bd9Sstevel@tonic-gate 2990*7c478bd9Sstevel@tonic-gate } else if (dp->it_size != 0) { 2991*7c478bd9Sstevel@tonic-gate /* 2992*7c478bd9Sstevel@tonic-gate * In 64 bit mode descriptor table entries 2993*7c478bd9Sstevel@tonic-gate * go up to 10 bytes and popf/pushf are always 8 bytes 2994*7c478bd9Sstevel@tonic-gate */ 2995*7c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE64 && dp->it_size == 6) 2996*7c478bd9Sstevel@tonic-gate x->d86_memsize = 10; 2997*7c478bd9Sstevel@tonic-gate else if (x->d86_mode == SIZE64 && opcode1 == 0x9 && 2998*7c478bd9Sstevel@tonic-gate (opcode2 == 0xc || opcode2 == 0xd)) 2999*7c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 3000*7c478bd9Sstevel@tonic-gate else 3001*7c478bd9Sstevel@tonic-gate x->d86_memsize = dp->it_size; 3002*7c478bd9Sstevel@tonic-gate 3003*7c478bd9Sstevel@tonic-gate } else if (wbit == 0) { 3004*7c478bd9Sstevel@tonic-gate x->d86_memsize = 1; 3005*7c478bd9Sstevel@tonic-gate 3006*7c478bd9Sstevel@tonic-gate } else if (wbit == LONG_OPND) { 3007*7c478bd9Sstevel@tonic-gate if (opnd_size == SIZE64) 3008*7c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 3009*7c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 3010*7c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 3011*7c478bd9Sstevel@tonic-gate else 3012*7c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 3013*7c478bd9Sstevel@tonic-gate 3014*7c478bd9Sstevel@tonic-gate } else if (wbit == SEG_OPND) { 3015*7c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 3016*7c478bd9Sstevel@tonic-gate 3017*7c478bd9Sstevel@tonic-gate } else { 3018*7c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 3019*7c478bd9Sstevel@tonic-gate } 3020*7c478bd9Sstevel@tonic-gate #endif 3021*7c478bd9Sstevel@tonic-gate return (0); 3022*7c478bd9Sstevel@tonic-gate 3023*7c478bd9Sstevel@tonic-gate error: 3024*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3025*7c478bd9Sstevel@tonic-gate strlcat(x->d86_mneu, "undef", OPLEN); 3026*7c478bd9Sstevel@tonic-gate #endif 3027*7c478bd9Sstevel@tonic-gate return (1); 3028*7c478bd9Sstevel@tonic-gate } 3029*7c478bd9Sstevel@tonic-gate 3030*7c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3031*7c478bd9Sstevel@tonic-gate 3032*7c478bd9Sstevel@tonic-gate /* 3033*7c478bd9Sstevel@tonic-gate * Some instructions should have immediate operands printed 3034*7c478bd9Sstevel@tonic-gate * as unsigned integers. We compare against this table. 3035*7c478bd9Sstevel@tonic-gate */ 3036*7c478bd9Sstevel@tonic-gate static char *unsigned_ops[] = { 3037*7c478bd9Sstevel@tonic-gate "or", "and", "xor", "test", "in", "out", "lcall", "ljmp", 3038*7c478bd9Sstevel@tonic-gate "rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl", 3039*7c478bd9Sstevel@tonic-gate 0 3040*7c478bd9Sstevel@tonic-gate }; 3041*7c478bd9Sstevel@tonic-gate 3042*7c478bd9Sstevel@tonic-gate static int 3043*7c478bd9Sstevel@tonic-gate isunsigned_op(char *opcode) 3044*7c478bd9Sstevel@tonic-gate { 3045*7c478bd9Sstevel@tonic-gate char *where; 3046*7c478bd9Sstevel@tonic-gate int i; 3047*7c478bd9Sstevel@tonic-gate int is_unsigned = 0; 3048*7c478bd9Sstevel@tonic-gate 3049*7c478bd9Sstevel@tonic-gate /* 3050*7c478bd9Sstevel@tonic-gate * Work back to start of last mnemonic, since we may have 3051*7c478bd9Sstevel@tonic-gate * prefixes on some opcodes. 3052*7c478bd9Sstevel@tonic-gate */ 3053*7c478bd9Sstevel@tonic-gate where = opcode + strlen(opcode) - 1; 3054*7c478bd9Sstevel@tonic-gate while (where > opcode && *where != ' ') 3055*7c478bd9Sstevel@tonic-gate --where; 3056*7c478bd9Sstevel@tonic-gate if (*where == ' ') 3057*7c478bd9Sstevel@tonic-gate ++where; 3058*7c478bd9Sstevel@tonic-gate 3059*7c478bd9Sstevel@tonic-gate for (i = 0; unsigned_ops[i]; ++i) { 3060*7c478bd9Sstevel@tonic-gate if (strncmp(where, unsigned_ops[i], 3061*7c478bd9Sstevel@tonic-gate strlen(unsigned_ops[i]))) 3062*7c478bd9Sstevel@tonic-gate continue; 3063*7c478bd9Sstevel@tonic-gate is_unsigned = 1; 3064*7c478bd9Sstevel@tonic-gate break; 3065*7c478bd9Sstevel@tonic-gate } 3066*7c478bd9Sstevel@tonic-gate return (is_unsigned); 3067*7c478bd9Sstevel@tonic-gate } 3068*7c478bd9Sstevel@tonic-gate 3069*7c478bd9Sstevel@tonic-gate /* ARGSUSED */ 3070*7c478bd9Sstevel@tonic-gate void 3071*7c478bd9Sstevel@tonic-gate dtrace_disx86_str(dis86_t *dis, uint_t mode, uintptr_t pc, char *buf, 3072*7c478bd9Sstevel@tonic-gate size_t buflen) 3073*7c478bd9Sstevel@tonic-gate { 3074*7c478bd9Sstevel@tonic-gate int i; 3075*7c478bd9Sstevel@tonic-gate 3076*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mneu); 3077*7c478bd9Sstevel@tonic-gate 3078*7c478bd9Sstevel@tonic-gate for (i = 0; i < dis->d86_numopnds; i++) { 3079*7c478bd9Sstevel@tonic-gate d86opnd_t *op = &dis->d86_opnd[i]; 3080*7c478bd9Sstevel@tonic-gate int64_t sv; 3081*7c478bd9Sstevel@tonic-gate uint64_t mask; 3082*7c478bd9Sstevel@tonic-gate 3083*7c478bd9Sstevel@tonic-gate if (i != 0) 3084*7c478bd9Sstevel@tonic-gate (void) strlcat(buf, ",", buflen); 3085*7c478bd9Sstevel@tonic-gate 3086*7c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_prefix, buflen); 3087*7c478bd9Sstevel@tonic-gate 3088*7c478bd9Sstevel@tonic-gate sv = op->d86_value; 3089*7c478bd9Sstevel@tonic-gate 3090*7c478bd9Sstevel@tonic-gate switch (op->d86_mode) { 3091*7c478bd9Sstevel@tonic-gate 3092*7c478bd9Sstevel@tonic-gate case MODE_NONE: 3093*7c478bd9Sstevel@tonic-gate 3094*7c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_opnd, buflen); 3095*7c478bd9Sstevel@tonic-gate break; 3096*7c478bd9Sstevel@tonic-gate 3097*7c478bd9Sstevel@tonic-gate case MODE_SIGNED: 3098*7c478bd9Sstevel@tonic-gate case MODE_IMPLIED: 3099*7c478bd9Sstevel@tonic-gate case MODE_OFFSET: 3100*7c478bd9Sstevel@tonic-gate 3101*7c478bd9Sstevel@tonic-gate if (dis->d86_seg_prefix) 3102*7c478bd9Sstevel@tonic-gate strlcat(buf, dis->d86_seg_prefix, buflen); 3103*7c478bd9Sstevel@tonic-gate 3104*7c478bd9Sstevel@tonic-gate switch (op->d86_value_size) { 3105*7c478bd9Sstevel@tonic-gate case 1: 3106*7c478bd9Sstevel@tonic-gate sv = (int8_t)sv; 3107*7c478bd9Sstevel@tonic-gate mask = 0xff; 3108*7c478bd9Sstevel@tonic-gate break; 3109*7c478bd9Sstevel@tonic-gate case 2: 3110*7c478bd9Sstevel@tonic-gate sv = (int16_t)sv; 3111*7c478bd9Sstevel@tonic-gate mask = 0xffff; 3112*7c478bd9Sstevel@tonic-gate break; 3113*7c478bd9Sstevel@tonic-gate case 4: 3114*7c478bd9Sstevel@tonic-gate sv = (int32_t)sv; 3115*7c478bd9Sstevel@tonic-gate mask = 0xffffffff; 3116*7c478bd9Sstevel@tonic-gate break; 3117*7c478bd9Sstevel@tonic-gate case 8: 3118*7c478bd9Sstevel@tonic-gate mask = 0xffffffffffffffff; 3119*7c478bd9Sstevel@tonic-gate break; 3120*7c478bd9Sstevel@tonic-gate } 3121*7c478bd9Sstevel@tonic-gate 3122*7c478bd9Sstevel@tonic-gate if (op->d86_mode == MODE_SIGNED || 3123*7c478bd9Sstevel@tonic-gate op->d86_mode == MODE_IMPLIED) 3124*7c478bd9Sstevel@tonic-gate strlcat(buf, "$", buflen); 3125*7c478bd9Sstevel@tonic-gate 3126*7c478bd9Sstevel@tonic-gate if (sv < 0 && sv > -0xffff && 3127*7c478bd9Sstevel@tonic-gate !isunsigned_op(dis->d86_mneu)) { 3128*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf + strlen(buf), 3129*7c478bd9Sstevel@tonic-gate buflen - strlen(buf), 3130*7c478bd9Sstevel@tonic-gate (dis->d86_flags & DIS_OP_OCTAL) ? 3131*7c478bd9Sstevel@tonic-gate "-0%llo" : "-0x%llx", -sv & mask); 3132*7c478bd9Sstevel@tonic-gate } else { 3133*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf + strlen(buf), 3134*7c478bd9Sstevel@tonic-gate buflen - strlen(buf), 3135*7c478bd9Sstevel@tonic-gate (dis->d86_flags & DIS_OP_OCTAL) ? 3136*7c478bd9Sstevel@tonic-gate "0%llo" : "0x%llx", sv & mask); 3137*7c478bd9Sstevel@tonic-gate } 3138*7c478bd9Sstevel@tonic-gate strlcat(buf, op->d86_opnd, buflen); 3139*7c478bd9Sstevel@tonic-gate break; 3140*7c478bd9Sstevel@tonic-gate 3141*7c478bd9Sstevel@tonic-gate case MODE_IPREL: 3142*7c478bd9Sstevel@tonic-gate 3143*7c478bd9Sstevel@tonic-gate switch (op->d86_value_size) { 3144*7c478bd9Sstevel@tonic-gate case 1: 3145*7c478bd9Sstevel@tonic-gate sv = (int8_t)sv; 3146*7c478bd9Sstevel@tonic-gate break; 3147*7c478bd9Sstevel@tonic-gate case 2: 3148*7c478bd9Sstevel@tonic-gate sv = (int16_t)sv; 3149*7c478bd9Sstevel@tonic-gate break; 3150*7c478bd9Sstevel@tonic-gate case 4: 3151*7c478bd9Sstevel@tonic-gate sv = (int32_t)sv; 3152*7c478bd9Sstevel@tonic-gate break; 3153*7c478bd9Sstevel@tonic-gate } 3154*7c478bd9Sstevel@tonic-gate 3155*7c478bd9Sstevel@tonic-gate if (sv < 0) 3156*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf + strlen(buf), 3157*7c478bd9Sstevel@tonic-gate buflen - strlen(buf), 3158*7c478bd9Sstevel@tonic-gate (dis->d86_flags & DIS_OP_OCTAL) ? 3159*7c478bd9Sstevel@tonic-gate "-0%llo" : "-0x%llx", -sv - dis->d86_len); 3160*7c478bd9Sstevel@tonic-gate else 3161*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf + strlen(buf), 3162*7c478bd9Sstevel@tonic-gate buflen - strlen(buf), 3163*7c478bd9Sstevel@tonic-gate (dis->d86_flags & DIS_OP_OCTAL) ? 3164*7c478bd9Sstevel@tonic-gate "+0%llo" : "+0x%llx", sv + dis->d86_len); 3165*7c478bd9Sstevel@tonic-gate 3166*7c478bd9Sstevel@tonic-gate strlcat(buf, "\t<", buflen); 3167*7c478bd9Sstevel@tonic-gate 3168*7c478bd9Sstevel@tonic-gate if (dis->d86_sym_lookup == NULL || 3169*7c478bd9Sstevel@tonic-gate dis->d86_sym_lookup(pc + sv, buf + strlen(buf), 3170*7c478bd9Sstevel@tonic-gate buflen - strlen(buf)) != 0) 3171*7c478bd9Sstevel@tonic-gate dis->d86_sprintf_func(buf + strlen(buf), 3172*7c478bd9Sstevel@tonic-gate buflen - strlen(buf), 3173*7c478bd9Sstevel@tonic-gate (dis->d86_flags & DIS_OP_OCTAL) ? 3174*7c478bd9Sstevel@tonic-gate "0%llo" : "0x%llx", pc + sv); 3175*7c478bd9Sstevel@tonic-gate 3176*7c478bd9Sstevel@tonic-gate strlcat(buf, ">", buflen); 3177*7c478bd9Sstevel@tonic-gate 3178*7c478bd9Sstevel@tonic-gate break; 3179*7c478bd9Sstevel@tonic-gate } 3180*7c478bd9Sstevel@tonic-gate } 3181*7c478bd9Sstevel@tonic-gate } 3182*7c478bd9Sstevel@tonic-gate 3183*7c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 3184