17c478bd9Sstevel@tonic-gate /* 2*d0f8ff6eSkk * 37c478bd9Sstevel@tonic-gate * CDDL HEADER START 47c478bd9Sstevel@tonic-gate * 57c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 6dc0093f4Seschrock * Common Development and Distribution License (the "License"). 7dc0093f4Seschrock * You may not use this file except in compliance with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23e0070315Sdmick * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include "dis_tables.h" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* BEGIN CSTYLED */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate /* 387c478bd9Sstevel@tonic-gate * Disassembly begins in dis_distable, which is equivalent to the One-byte 397c478bd9Sstevel@tonic-gate * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy). The 407c478bd9Sstevel@tonic-gate * decoding loops then traverse out through the other tables as necessary to 417c478bd9Sstevel@tonic-gate * decode a given instruction. 427c478bd9Sstevel@tonic-gate * 437c478bd9Sstevel@tonic-gate * The behavior of this file can be controlled by one of the following flags: 447c478bd9Sstevel@tonic-gate * 457c478bd9Sstevel@tonic-gate * DIS_TEXT Include text for disassembly 467c478bd9Sstevel@tonic-gate * DIS_MEM Include memory-size calculations 477c478bd9Sstevel@tonic-gate * 487c478bd9Sstevel@tonic-gate * Either or both of these can be defined. 497c478bd9Sstevel@tonic-gate * 507c478bd9Sstevel@tonic-gate * This file is not, and will never be, cstyled. If anything, the tables should 517c478bd9Sstevel@tonic-gate * be taken out another tab stop or two so nothing overlaps. 527c478bd9Sstevel@tonic-gate */ 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* 557c478bd9Sstevel@tonic-gate * These functions must be provided for the consumer to do disassembly. 567c478bd9Sstevel@tonic-gate */ 577c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 587c478bd9Sstevel@tonic-gate extern char *strncpy(char *, const char *, size_t); 597c478bd9Sstevel@tonic-gate extern size_t strlen(const char *); 607c478bd9Sstevel@tonic-gate extern int strcmp(const char *, const char *); 617c478bd9Sstevel@tonic-gate extern int strncmp(const char *, const char *, size_t); 627c478bd9Sstevel@tonic-gate extern size_t strlcat(char *, const char *, size_t); 637c478bd9Sstevel@tonic-gate #endif 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #define TERM 0 /* used to indicate that the 'indirect' */ 677c478bd9Sstevel@tonic-gate /* field terminates - no pointer. */ 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate /* Used to decode instructions. */ 707c478bd9Sstevel@tonic-gate typedef struct instable { 717c478bd9Sstevel@tonic-gate struct instable *it_indirect; /* for decode op codes */ 727c478bd9Sstevel@tonic-gate uchar_t it_adrmode; 737c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 747c478bd9Sstevel@tonic-gate char it_name[NCPS]; 75d267098bSdmick uint_t it_suffix:1; /* mnem + "w", "l", or "d" */ 767c478bd9Sstevel@tonic-gate #endif 777c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 787c478bd9Sstevel@tonic-gate uint_t it_size:16; 797c478bd9Sstevel@tonic-gate #endif 807c478bd9Sstevel@tonic-gate uint_t it_invalid64:1; /* opcode invalid in amd64 */ 817c478bd9Sstevel@tonic-gate uint_t it_always64:1; /* 64 bit when in 64 bit mode */ 827c478bd9Sstevel@tonic-gate uint_t it_invalid32:1; /* invalid in IA32 */ 837c478bd9Sstevel@tonic-gate uint_t it_stackop:1; /* push/pop stack operation */ 847c478bd9Sstevel@tonic-gate } instable_t; 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* 877c478bd9Sstevel@tonic-gate * Instruction formats. 887c478bd9Sstevel@tonic-gate */ 897c478bd9Sstevel@tonic-gate enum { 907c478bd9Sstevel@tonic-gate UNKNOWN, 917c478bd9Sstevel@tonic-gate MRw, 927c478bd9Sstevel@tonic-gate IMlw, 937c478bd9Sstevel@tonic-gate IMw, 947c478bd9Sstevel@tonic-gate IR, 957c478bd9Sstevel@tonic-gate OA, 967c478bd9Sstevel@tonic-gate AO, 977c478bd9Sstevel@tonic-gate MS, 987c478bd9Sstevel@tonic-gate SM, 997c478bd9Sstevel@tonic-gate Mv, 1007c478bd9Sstevel@tonic-gate Mw, 1017c478bd9Sstevel@tonic-gate M, /* register or memory */ 1027c478bd9Sstevel@tonic-gate Mb, /* register or memory, always byte sized */ 1037c478bd9Sstevel@tonic-gate MO, /* memory only (no registers) */ 1047c478bd9Sstevel@tonic-gate PREF, 1057c478bd9Sstevel@tonic-gate SWAPGS, 106f8801251Skk MONITOR_MWAIT, 1077c478bd9Sstevel@tonic-gate R, 1087c478bd9Sstevel@tonic-gate RA, 1097c478bd9Sstevel@tonic-gate SEG, 1107c478bd9Sstevel@tonic-gate MR, 1117c478bd9Sstevel@tonic-gate RM, 1127c478bd9Sstevel@tonic-gate IA, 1137c478bd9Sstevel@tonic-gate MA, 1147c478bd9Sstevel@tonic-gate SD, 1157c478bd9Sstevel@tonic-gate AD, 1167c478bd9Sstevel@tonic-gate SA, 1177c478bd9Sstevel@tonic-gate D, 1187c478bd9Sstevel@tonic-gate INM, 1197c478bd9Sstevel@tonic-gate SO, 1207c478bd9Sstevel@tonic-gate BD, 1217c478bd9Sstevel@tonic-gate I, 1227c478bd9Sstevel@tonic-gate P, 1237c478bd9Sstevel@tonic-gate V, 1247c478bd9Sstevel@tonic-gate DSHIFT, /* for double shift that has an 8-bit immediate */ 1257c478bd9Sstevel@tonic-gate U, 1267c478bd9Sstevel@tonic-gate OVERRIDE, 1277c478bd9Sstevel@tonic-gate NORM, /* instructions w/o ModR/M byte, no memory access */ 1287c478bd9Sstevel@tonic-gate IMPLMEM, /* instructions w/o ModR/M byte, implicit mem access */ 1297c478bd9Sstevel@tonic-gate O, /* for call */ 1307c478bd9Sstevel@tonic-gate JTAB, /* jump table */ 1317c478bd9Sstevel@tonic-gate IMUL, /* for 186 iimul instr */ 1327c478bd9Sstevel@tonic-gate CBW, /* so data16 can be evaluated for cbw and variants */ 1337c478bd9Sstevel@tonic-gate MvI, /* for 186 logicals */ 1347c478bd9Sstevel@tonic-gate ENTER, /* for 186 enter instr */ 1357c478bd9Sstevel@tonic-gate RMw, /* for 286 arpl instr */ 1367c478bd9Sstevel@tonic-gate Ib, /* for push immediate byte */ 1377c478bd9Sstevel@tonic-gate F, /* for 287 instructions */ 1387c478bd9Sstevel@tonic-gate FF, /* for 287 instructions */ 1397c478bd9Sstevel@tonic-gate FFC, /* for 287 instructions */ 1407c478bd9Sstevel@tonic-gate DM, /* 16-bit data */ 1417c478bd9Sstevel@tonic-gate AM, /* 16-bit addr */ 1427c478bd9Sstevel@tonic-gate LSEG, /* for 3-bit seg reg encoding */ 1437c478bd9Sstevel@tonic-gate MIb, /* for 386 logicals */ 1447c478bd9Sstevel@tonic-gate SREG, /* for 386 special registers */ 1457c478bd9Sstevel@tonic-gate PREFIX, /* a REP instruction prefix */ 1467c478bd9Sstevel@tonic-gate LOCK, /* a LOCK instruction prefix */ 1477c478bd9Sstevel@tonic-gate INT3, /* The int 3 instruction, which has a fake operand */ 1487c478bd9Sstevel@tonic-gate INTx, /* The normal int instruction, with explicit int num */ 1497c478bd9Sstevel@tonic-gate DSHIFTcl, /* for double shift that implicitly uses %cl */ 1507c478bd9Sstevel@tonic-gate CWD, /* so data16 can be evaluated for cwd and variants */ 1517c478bd9Sstevel@tonic-gate RET, /* single immediate 16-bit operand */ 1527c478bd9Sstevel@tonic-gate MOVZ, /* for movs and movz, with different size operands */ 153*d0f8ff6eSkk CRC32, /* for crc32, with different size operands */ 1547c478bd9Sstevel@tonic-gate XADDB, /* for xaddb */ 1557c478bd9Sstevel@tonic-gate MOVSXZ, /* AMD64 mov sign extend 32 to 64 bit instruction */ 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * MMX/SIMD addressing modes. 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate MMO, /* Prefixable MMX/SIMD-Int mm/mem -> mm */ 1627c478bd9Sstevel@tonic-gate MMOIMPL, /* Prefixable MMX/SIMD-Int mm -> mm (mem) */ 1637c478bd9Sstevel@tonic-gate MMO3P, /* Prefixable MMX/SIMD-Int mm -> r32,imm8 */ 1647c478bd9Sstevel@tonic-gate MMOM3, /* Prefixable MMX/SIMD-Int mm -> r32 */ 1657c478bd9Sstevel@tonic-gate MMOS, /* Prefixable MMX/SIMD-Int mm -> mm/mem */ 1667c478bd9Sstevel@tonic-gate MMOMS, /* Prefixable MMX/SIMD-Int mm -> mem */ 1677c478bd9Sstevel@tonic-gate MMOPM, /* MMX/SIMD-Int mm/mem -> mm,imm8 */ 168*d0f8ff6eSkk MMOPM_66o, /* MMX/SIMD-Int 0x66 optional mm/mem -> mm,imm8 */ 1697c478bd9Sstevel@tonic-gate MMOPRM, /* Prefixable MMX/SIMD-Int r32/mem -> mm,imm8 */ 1707c478bd9Sstevel@tonic-gate MMOSH, /* Prefixable MMX mm,imm8 */ 1717c478bd9Sstevel@tonic-gate MM, /* MMX/SIMD-Int mm/mem -> mm */ 1727c478bd9Sstevel@tonic-gate MMS, /* MMX/SIMD-Int mm -> mm/mem */ 1737c478bd9Sstevel@tonic-gate MMSH, /* MMX mm,imm8 */ 1747c478bd9Sstevel@tonic-gate XMMO, /* Prefixable SIMD xmm/mem -> xmm */ 1757c478bd9Sstevel@tonic-gate XMMOS, /* Prefixable SIMD xmm -> xmm/mem */ 1767c478bd9Sstevel@tonic-gate XMMOPM, /* Prefixable SIMD xmm/mem w/to xmm,imm8 */ 1777c478bd9Sstevel@tonic-gate XMMOMX, /* Prefixable SIMD mm/mem -> xmm */ 1787c478bd9Sstevel@tonic-gate XMMOX3, /* Prefixable SIMD xmm -> r32 */ 1797c478bd9Sstevel@tonic-gate XMMOXMM, /* Prefixable SIMD xmm/mem -> mm */ 1807c478bd9Sstevel@tonic-gate XMMOM, /* Prefixable SIMD xmm -> mem */ 1817c478bd9Sstevel@tonic-gate XMMOMS, /* Prefixable SIMD mem -> xmm */ 1827c478bd9Sstevel@tonic-gate XMM, /* SIMD xmm/mem -> xmm */ 183*d0f8ff6eSkk XMM_66r, /* SIMD 0x66 prefix required xmm/mem -> xmm */ 184*d0f8ff6eSkk XMM_66o, /* SIMD 0x66 prefix optional xmm/mem -> xmm */ 1857c478bd9Sstevel@tonic-gate XMMXIMPL, /* SIMD xmm -> xmm (mem) */ 1867c478bd9Sstevel@tonic-gate XMM3P, /* SIMD xmm -> r32,imm8 */ 187*d0f8ff6eSkk XMM3PM_66r, /* SIMD 0x66 prefix required xmm -> r32/mem,imm8 */ 1887c478bd9Sstevel@tonic-gate XMMP, /* SIMD xmm/mem w/to xmm,imm8 */ 189*d0f8ff6eSkk XMMP_66o, /* SIMD 0x66 prefix optional xmm/mem w/to xmm,imm8 */ 190*d0f8ff6eSkk XMMP_66r, /* SIMD 0x66 prefix required xmm/mem w/to xmm,imm8 */ 1917c478bd9Sstevel@tonic-gate XMMPRM, /* SIMD r32/mem -> xmm,imm8 */ 192*d0f8ff6eSkk XMMPRM_66r, /* SIMD 0x66 prefix required r32/mem -> xmm,imm8 */ 1937c478bd9Sstevel@tonic-gate XMMS, /* SIMD xmm -> xmm/mem */ 1947c478bd9Sstevel@tonic-gate XMMM, /* SIMD mem -> xmm */ 195*d0f8ff6eSkk XMMM_66r, /* SIMD 0x66 prefix required mem -> xmm */ 1967c478bd9Sstevel@tonic-gate XMMMS, /* SIMD xmm -> mem */ 1977c478bd9Sstevel@tonic-gate XMM3MX, /* SIMD r32/mem -> xmm */ 1987c478bd9Sstevel@tonic-gate XMM3MXS, /* SIMD xmm -> r32/mem */ 1997c478bd9Sstevel@tonic-gate XMMSH, /* SIMD xmm,imm8 */ 2007c478bd9Sstevel@tonic-gate XMMXM3, /* SIMD xmm/mem -> r32 */ 2017c478bd9Sstevel@tonic-gate XMMX3, /* SIMD xmm -> r32 */ 2027c478bd9Sstevel@tonic-gate XMMXMM, /* SIMD xmm/mem -> mm */ 2037c478bd9Sstevel@tonic-gate XMMMX, /* SIMD mm -> xmm */ 2047c478bd9Sstevel@tonic-gate XMMXM, /* SIMD xmm -> mm */ 205f8801251Skk XMMX2I, /* SIMD xmm -> xmm, imm, imm */ 206f8801251Skk XMM2I, /* SIMD xmm, imm, imm */ 2077c478bd9Sstevel@tonic-gate XMMFENCE, /* SIMD lfence or mfence */ 2087c478bd9Sstevel@tonic-gate XMMSFNC /* SIMD sfence (none or mem) */ 2097c478bd9Sstevel@tonic-gate }; 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate #define FILL 0x90 /* Fill byte used for alignment (nop) */ 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate /* 2147c478bd9Sstevel@tonic-gate ** Register numbers for the i386 2157c478bd9Sstevel@tonic-gate */ 2167c478bd9Sstevel@tonic-gate #define EAX_REGNO 0 2177c478bd9Sstevel@tonic-gate #define ECX_REGNO 1 2187c478bd9Sstevel@tonic-gate #define EDX_REGNO 2 2197c478bd9Sstevel@tonic-gate #define EBX_REGNO 3 2207c478bd9Sstevel@tonic-gate #define ESP_REGNO 4 2217c478bd9Sstevel@tonic-gate #define EBP_REGNO 5 2227c478bd9Sstevel@tonic-gate #define ESI_REGNO 6 2237c478bd9Sstevel@tonic-gate #define EDI_REGNO 7 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate /* 2267c478bd9Sstevel@tonic-gate * modes for immediate values 2277c478bd9Sstevel@tonic-gate */ 2287c478bd9Sstevel@tonic-gate #define MODE_NONE 0 2297c478bd9Sstevel@tonic-gate #define MODE_IPREL 1 /* signed IP relative value */ 2307c478bd9Sstevel@tonic-gate #define MODE_SIGNED 2 /* sign extended immediate */ 2317c478bd9Sstevel@tonic-gate #define MODE_IMPLIED 3 /* constant value implied from opcode */ 2327c478bd9Sstevel@tonic-gate #define MODE_OFFSET 4 /* offset part of an address */ 233d267098bSdmick #define MODE_RIPREL 5 /* like IPREL, but from %rip (amd64) */ 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * The letters used in these macros are: 2377c478bd9Sstevel@tonic-gate * IND - indirect to another to another table 2387c478bd9Sstevel@tonic-gate * "T" - means to Terminate indirections (this is the final opcode) 2397c478bd9Sstevel@tonic-gate * "S" - means "operand length suffix required" 2407c478bd9Sstevel@tonic-gate * "NS" - means "no suffix" which is the operand length suffix of the opcode 2417c478bd9Sstevel@tonic-gate * "Z" - means instruction size arg required 2427c478bd9Sstevel@tonic-gate * "u" - means the opcode is invalid in IA32 but valid in amd64 2437c478bd9Sstevel@tonic-gate * "x" - means the opcode is invalid in amd64, but not IA32 2447c478bd9Sstevel@tonic-gate * "y" - means the operand size is always 64 bits in 64 bit mode 2457c478bd9Sstevel@tonic-gate * "p" - means push/pop stack operation 2467c478bd9Sstevel@tonic-gate */ 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate #if defined(DIS_TEXT) && defined(DIS_MEM) 2497c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0} 2507c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0} 2517c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0, 0} 2527c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 0, 1, 0} 2537c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0, 0} 2547c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 0} 2557c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 1} 2567c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0} 2577c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, sz, 0, 1, 0, 0} 2587c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 0} 2597c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0, 0} 2607c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 0, 1, 0, 0} 2617c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 1} 2627c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0} 2637c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, sz, 1, 0, 0, 0} 2647c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, sz, 0, 1, 0, 0} 2657c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 2667c478bd9Sstevel@tonic-gate #elif defined(DIS_TEXT) 2677c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0} 2687c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 1, 0, 0, 0} 2697c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0} 2707c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0} 2717c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 1, 0, 0, 0} 2727c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0} 2737c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 1, 0, 1} 2747c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0} 2757c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, 0, 1, 0, 0} 2767c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0} 2777c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 1, 0, 0, 0} 2787c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0} 2797c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 1} 2807c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0} 2817c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, 1, 0, 0, 0} 2827c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, 0, 1, 0, 0} 2837c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 2847c478bd9Sstevel@tonic-gate #elif defined(DIS_MEM) 2857c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0, 0} 2867c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 0, 1, 0, 0, 0} 2877c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 2887c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 0, 1, 0} 2897c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 2907c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 0, 1, 0, 1} 2917c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 2927c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 2937c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 2947c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 2957c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 2967c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 2977c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 0, 1} 2987c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 2997c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, sz, 1, 0, 0, 0} 3007c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 3017c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0, 0} 3027c478bd9Sstevel@tonic-gate #else 3037c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0} 3047c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 1, 0, 0, 0} 3057c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0} 3067c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 1, 0} 3077c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 1, 0, 0} 3087c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 1, 0, 1} 3097c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 1, 0, 0, 0} 3107c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 3117c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 3127c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0} 3137c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 1, 0, 0, 0} 3147c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 1, 0, 0} 3157c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 1} 3167c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 3177c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, 1, 0, 0, 0} 3187c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 3197c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0} 3207c478bd9Sstevel@tonic-gate #endif 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3237c478bd9Sstevel@tonic-gate /* 3247c478bd9Sstevel@tonic-gate * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode 3257c478bd9Sstevel@tonic-gate */ 3267c478bd9Sstevel@tonic-gate const char *const dis_addr16[3][8] = { 3277c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "", 3287c478bd9Sstevel@tonic-gate "(%bx)", 3297c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)", 3307c478bd9Sstevel@tonic-gate "(%bx)", 3317c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)", 3327c478bd9Sstevel@tonic-gate "(%bx)", 3337c478bd9Sstevel@tonic-gate }; 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* 3377c478bd9Sstevel@tonic-gate * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode0[16] = { 3407c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "", "(%esi)", "(%edi)", 3417c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "", "(%r14d)", "(%r15d)" 3427c478bd9Sstevel@tonic-gate }; 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode12[16] = { 3457c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "(%ebp)", "(%esi)", "(%edi)", 3467c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)" 3477c478bd9Sstevel@tonic-gate }; 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate /* 3507c478bd9Sstevel@tonic-gate * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2 3517c478bd9Sstevel@tonic-gate */ 3527c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode0[16] = { 3537c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rip)", "(%rsi)", "(%rdi)", 3547c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)" 3557c478bd9Sstevel@tonic-gate }; 3567c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode12[16] = { 3577c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rbp)", "(%rsi)", "(%rdi)", 3587c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)" 3597c478bd9Sstevel@tonic-gate }; 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate /* 3627c478bd9Sstevel@tonic-gate * decode for scale from SIB byte 3637c478bd9Sstevel@tonic-gate */ 3647c478bd9Sstevel@tonic-gate const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" }; 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* 3677c478bd9Sstevel@tonic-gate * register decoding for normal references to registers (ie. not addressing) 3687c478bd9Sstevel@tonic-gate */ 3697c478bd9Sstevel@tonic-gate const char *const dis_REG8[16] = { 3707c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 3717c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 3727c478bd9Sstevel@tonic-gate }; 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate const char *const dis_REG8_REX[16] = { 3757c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 3767c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 3777c478bd9Sstevel@tonic-gate }; 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate const char *const dis_REG16[16] = { 3807c478bd9Sstevel@tonic-gate "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 3817c478bd9Sstevel@tonic-gate "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" 3827c478bd9Sstevel@tonic-gate }; 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate const char *const dis_REG32[16] = { 3857c478bd9Sstevel@tonic-gate "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 3867c478bd9Sstevel@tonic-gate "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" 3877c478bd9Sstevel@tonic-gate }; 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate const char *const dis_REG64[16] = { 3907c478bd9Sstevel@tonic-gate "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 3917c478bd9Sstevel@tonic-gate "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" 3927c478bd9Sstevel@tonic-gate }; 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate const char *const dis_DEBUGREG[16] = { 3957c478bd9Sstevel@tonic-gate "%db0", "%db1", "%db2", "%db3", "%db4", "%db5", "%db6", "%db7", 3967c478bd9Sstevel@tonic-gate "%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15" 3977c478bd9Sstevel@tonic-gate }; 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate const char *const dis_CONTROLREG[16] = { 4007c478bd9Sstevel@tonic-gate "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?", 4017c478bd9Sstevel@tonic-gate "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?" 4027c478bd9Sstevel@tonic-gate }; 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate const char *const dis_TESTREG[16] = { 4057c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7", 4067c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7" 4077c478bd9Sstevel@tonic-gate }; 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate const char *const dis_MMREG[16] = { 4107c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7", 4117c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7" 4127c478bd9Sstevel@tonic-gate }; 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate const char *const dis_XMMREG[16] = { 4157c478bd9Sstevel@tonic-gate "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", 4167c478bd9Sstevel@tonic-gate "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15" 4177c478bd9Sstevel@tonic-gate }; 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate const char *const dis_SEGREG[16] = { 4207c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>", 4217c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>" 4227c478bd9Sstevel@tonic-gate }; 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate /* 4257c478bd9Sstevel@tonic-gate * SIMD predicate suffixes 4267c478bd9Sstevel@tonic-gate */ 4277c478bd9Sstevel@tonic-gate const char *const dis_PREDSUFFIX[8] = { 4287c478bd9Sstevel@tonic-gate "eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord" 4297c478bd9Sstevel@tonic-gate }; 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate 4337c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate 4387c478bd9Sstevel@tonic-gate /* 4397c478bd9Sstevel@tonic-gate * "decode table" for 64 bit mode MOVSXD instruction (opcode 0x63) 4407c478bd9Sstevel@tonic-gate */ 4417c478bd9Sstevel@tonic-gate const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ); 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate /* 4447c478bd9Sstevel@tonic-gate * "decode table" for pause and clflush instructions 4457c478bd9Sstevel@tonic-gate */ 4467c478bd9Sstevel@tonic-gate const instable_t dis_opPause = TNS("pause", NORM); 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate /* 4497c478bd9Sstevel@tonic-gate * Decode table for 0x0F00 opcodes 4507c478bd9Sstevel@tonic-gate */ 4517c478bd9Sstevel@tonic-gate const instable_t dis_op0F00[8] = { 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate /* [0] */ TNS("sldt",M), TNS("str",M), TNSy("lldt",M), TNSy("ltr",M), 4547c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("verr",M,2), TNSZ("verw",M,2), INVALID, INVALID, 4557c478bd9Sstevel@tonic-gate }; 4567c478bd9Sstevel@tonic-gate 4577c478bd9Sstevel@tonic-gate 4587c478bd9Sstevel@tonic-gate /* 4597c478bd9Sstevel@tonic-gate * Decode table for 0x0F01 opcodes 4607c478bd9Sstevel@tonic-gate */ 4617c478bd9Sstevel@tonic-gate const instable_t dis_op0F01[8] = { 4627c478bd9Sstevel@tonic-gate 463f8801251Skk /* [0] */ TNSZ("sgdt",MO,6), TNSZ("sidt",MONITOR_MWAIT,6), TNSZ("lgdt",MO,6), TNSZ("lidt",MO,6), 4647c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("smsw",M,2), INVALID, TNSZ("lmsw",M,2), TNS("invlpg",SWAPGS), 4657c478bd9Sstevel@tonic-gate }; 4667c478bd9Sstevel@tonic-gate 4677c478bd9Sstevel@tonic-gate /* 4687c478bd9Sstevel@tonic-gate * Decode table for 0x0F18 opcodes -- SIMD prefetch 4697c478bd9Sstevel@tonic-gate */ 4707c478bd9Sstevel@tonic-gate const instable_t dis_op0F18[8] = { 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate /* [0] */ TNS("prefetchnta",PREF),TNS("prefetcht0",PREF), TNS("prefetcht1",PREF), TNS("prefetcht2",PREF), 4737c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 4747c478bd9Sstevel@tonic-gate }; 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate /* 4777c478bd9Sstevel@tonic-gate * Decode table for 0x0FAE opcodes -- SIMD state save/restore 4787c478bd9Sstevel@tonic-gate */ 4797c478bd9Sstevel@tonic-gate const instable_t dis_op0FAE[8] = { 4807c478bd9Sstevel@tonic-gate /* [0] */ TNSZ("fxsave",M,512), TNSZ("fxrstor",M,512), TNS("ldmxcsr",M), TNS("stmxcsr",M), 4817c478bd9Sstevel@tonic-gate /* [4] */ INVALID, TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE), TNS("sfence",XMMSFNC), 4827c478bd9Sstevel@tonic-gate }; 4837c478bd9Sstevel@tonic-gate 4847c478bd9Sstevel@tonic-gate /* 4857c478bd9Sstevel@tonic-gate * Decode table for 0x0FBA opcodes 4867c478bd9Sstevel@tonic-gate */ 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate const instable_t dis_op0FBA[8] = { 4897c478bd9Sstevel@tonic-gate 4907c478bd9Sstevel@tonic-gate /* [0] */ INVALID, INVALID, INVALID, INVALID, 4917c478bd9Sstevel@tonic-gate /* [4] */ TS("bt",MIb), TS("bts",MIb), TS("btr",MIb), TS("btc",MIb), 4927c478bd9Sstevel@tonic-gate }; 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate /* 4957c478bd9Sstevel@tonic-gate * Decode table for 0x0FC7 opcode 4967c478bd9Sstevel@tonic-gate */ 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate const instable_t dis_op0FC7[8] = { 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate /* [0] */ INVALID, TNS("cmpxchg8b",M), INVALID, INVALID, 5017c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 5027c478bd9Sstevel@tonic-gate }; 5037c478bd9Sstevel@tonic-gate 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate /* 5067c478bd9Sstevel@tonic-gate * Decode table for 0x0FC8 opcode -- 486 bswap instruction 5077c478bd9Sstevel@tonic-gate * 5087c478bd9Sstevel@tonic-gate *bit pattern: 0000 1111 1100 1reg 5097c478bd9Sstevel@tonic-gate */ 5107c478bd9Sstevel@tonic-gate const instable_t dis_op0FC8[4] = { 5117c478bd9Sstevel@tonic-gate /* [0] */ TNS("bswap",R), INVALID, INVALID, INVALID, 5127c478bd9Sstevel@tonic-gate }; 5137c478bd9Sstevel@tonic-gate 5147c478bd9Sstevel@tonic-gate /* 5157c478bd9Sstevel@tonic-gate * Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions 5167c478bd9Sstevel@tonic-gate */ 5177c478bd9Sstevel@tonic-gate const instable_t dis_op0F7123[4][8] = { 5187c478bd9Sstevel@tonic-gate { 5197c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 5207c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 5217c478bd9Sstevel@tonic-gate }, { 5227c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",MMOSH), INVALID, 5237c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",MMOSH), INVALID, TNS("psllw",MMOSH), INVALID, 5247c478bd9Sstevel@tonic-gate }, { 5257c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",MMOSH), INVALID, 5267c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",MMOSH), INVALID, TNS("pslld",MMOSH), INVALID, 5277c478bd9Sstevel@tonic-gate }, { 5287c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",MMOSH), TNS("INVALID",MMOSH), 5297c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",MMOSH), TNS("INVALID",MMOSH), 5307c478bd9Sstevel@tonic-gate } }; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate /* 5337c478bd9Sstevel@tonic-gate * Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes. 5347c478bd9Sstevel@tonic-gate */ 5357c478bd9Sstevel@tonic-gate const instable_t dis_opSIMD7123[32] = { 5367c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 5377c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",XMMSH), INVALID, 5407c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",XMMSH), INVALID, TNS("psllw",XMMSH), INVALID, 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",XMMSH), INVALID, 5437c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",XMMSH), INVALID, TNS("pslld",XMMSH), INVALID, 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",XMMSH), TNS("psrldq",XMMSH), 5467c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",XMMSH), TNS("pslldq",XMMSH), 5477c478bd9Sstevel@tonic-gate }; 5487c478bd9Sstevel@tonic-gate 5497c478bd9Sstevel@tonic-gate /* 5507c478bd9Sstevel@tonic-gate * SIMD instructions have been wedged into the existing IA32 instruction 5517c478bd9Sstevel@tonic-gate * set through the use of prefixes. That is, while 0xf0 0x58 may be 5527c478bd9Sstevel@tonic-gate * addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different 5537c478bd9Sstevel@tonic-gate * instruction - addss. At present, three prefixes have been coopted in 5547c478bd9Sstevel@tonic-gate * this manner - address size (0x66), repnz (0xf2) and repz (0xf3). The 5557c478bd9Sstevel@tonic-gate * following tables are used to provide the prefixed instruction names. 5567c478bd9Sstevel@tonic-gate * The arrays are sparse, but they're fast. 5577c478bd9Sstevel@tonic-gate */ 5587c478bd9Sstevel@tonic-gate 5597c478bd9Sstevel@tonic-gate /* 5607c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the address size (0x66) prefix. 5617c478bd9Sstevel@tonic-gate */ 5627c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDdata16[256] = { 5637c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 5647c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 5657c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 5667c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movupd",XMM,16), TNSZ("movupd",XMMS,16), TNSZ("movlpd",XMMM,8), TNSZ("movlpd",XMMMS,8), 5697c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8), TNSZ("movhpd",XMMMS,8), 5707c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 5717c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 5727c478bd9Sstevel@tonic-gate 5737c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 5747c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 5757c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movapd",XMM,16), TNSZ("movapd",XMMS,16), TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16), 5767c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8), 5777c478bd9Sstevel@tonic-gate 5787c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 5797c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 5807c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 5817c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 5827c478bd9Sstevel@tonic-gate 5837c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 5847c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 5857c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 5867c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 5877c478bd9Sstevel@tonic-gate 5887c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskpd",XMMOX3), TNSZ("sqrtpd",XMM,16), INVALID, INVALID, 5897c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andpd",XMM,16), TNSZ("andnpd",XMM,16), TNSZ("orpd",XMM,16), TNSZ("xorpd",XMM,16), 5907c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addpd",XMM,16), TNSZ("mulpd",XMM,16), TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16), 5917c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subpd",XMM,16), TNSZ("minpd",XMM,16), TNSZ("divpd",XMM,16), TNSZ("maxpd",XMM,16), 5927c478bd9Sstevel@tonic-gate 5937c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16), 5947c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",XMM,16), TNSZ("pcmpgtw",XMM,16), TNSZ("pcmpgtd",XMM,16), TNSZ("packuswb",XMM,16), 5957c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16), 5967c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16), 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufd",XMMP,16), INVALID, INVALID, INVALID, 5997c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",XMM,16), TNSZ("pcmpeqw",XMM,16), TNSZ("pcmpeqd",XMM,16), INVALID, 600f8801251Skk /* [78] */ TNSZ("extrq",XMM2I,16), TNSZ("extrq",XMM,16), INVALID, INVALID, 6017c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",XMM3MXS,4), TNSZ("movdqa",XMMS,16), 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 6047c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 6057c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 6067c478bd9Sstevel@tonic-gate /* [8C] */ INVALID, INVALID, INVALID, INVALID, 6077c478bd9Sstevel@tonic-gate 6087c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 6097c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 6107c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 6117c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 6147c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 6157c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 6167c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 6197c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 6207c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 6217c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 6227c478bd9Sstevel@tonic-gate 6237c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmppd",XMMP,16), INVALID, 6247c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P), TNSZ("shufpd",XMMP,16), INVALID, 6257c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 6267c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 6277c478bd9Sstevel@tonic-gate 6287c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",XMM,16), TNSZ("psrld",XMM,16), TNSZ("psrlq",XMM,16), 6297c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",XMM,16), TNSZ("pmullw",XMM,16), TNSZ("movq",XMMS,8), TNS("pmovmskb",XMMX3), 6307c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",XMM,16), TNSZ("psubusw",XMM,16), TNSZ("pminub",XMM,16), TNSZ("pand",XMM,16), 6317c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",XMM,16), TNSZ("paddusw",XMM,16), TNSZ("pmaxub",XMM,16), TNSZ("pandn",XMM,16), 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",XMM,16), TNSZ("psraw",XMM,16), TNSZ("psrad",XMM,16), TNSZ("pavgw",XMM,16), 6347c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",XMM,16), TNSZ("pmulhw",XMM,16), TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16), 6357c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",XMM,16), TNSZ("psubsw",XMM,16), TNSZ("pminsw",XMM,16), TNSZ("por",XMM,16), 6367c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",XMM,16), TNSZ("paddsw",XMM,16), TNSZ("pmaxsw",XMM,16), TNSZ("pxor",XMM,16), 6377c478bd9Sstevel@tonic-gate 6387c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",XMM,16), TNSZ("pslld",XMM,16), TNSZ("psllq",XMM,16), 6397c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",XMM,16), TNSZ("pmaddwd",XMM,16), TNSZ("psadbw",XMM,16), TNSZ("maskmovdqu", XMMXIMPL,16), 6407c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",XMM,16), TNSZ("psubw",XMM,16), TNSZ("psubd",XMM,16), TNSZ("psubq",XMM,16), 6417c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",XMM,16), TNSZ("paddw",XMM,16), TNSZ("paddd",XMM,16), INVALID, 6427c478bd9Sstevel@tonic-gate }; 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate /* 6457c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repnz (0xf2) prefix. 6467c478bd9Sstevel@tonic-gate */ 6477c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepnz[256] = { 6487c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 6497c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 6507c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 6517c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movsd",XMM,8), TNSZ("movsd",XMMS,8), INVALID, INVALID, 6547c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 6557c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 6567c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 6597c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 660f8801251Skk /* [28] */ INVALID, INVALID, TNSZ("cvtsi2sd",XMM3MX,4),TNSZ("movntsd",XMMMS,8), 6617c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID, INVALID, 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 6647c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 6657c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 6667c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 6697c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 6707c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 6717c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 6727c478bd9Sstevel@tonic-gate 6737c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtsd",XMM,8), INVALID, INVALID, 6747c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 6757c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addsd",XMM,8), TNSZ("mulsd",XMM,8), TNSZ("cvtsd2ss",XMM,8), INVALID, 6767c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subsd",XMM,8), TNSZ("minsd",XMM,8), TNSZ("divsd",XMM,8), TNSZ("maxsd",XMM,8), 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 6797c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 6807c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 6817c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, INVALID, 6827c478bd9Sstevel@tonic-gate 6837c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshuflw",XMMP,16),INVALID, INVALID, INVALID, 6847c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 685f8801251Skk /* [78] */ TNSZ("insertq",XMMX2I,16),TNSZ("insertq",XMM,8),INVALID, INVALID, 6867c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, INVALID, INVALID, 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 6897c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 6907c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 6917c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 6947c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 6957c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 6967c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 6997c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 7007c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 7017c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 7027c478bd9Sstevel@tonic-gate 7037c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 7047c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 7057c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 7067c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 7077c478bd9Sstevel@tonic-gate 7087c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpsd",XMMP,8), INVALID, 7097c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 7107c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 7117c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 7127c478bd9Sstevel@tonic-gate 7137c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 7147c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movdq2q",XMMXM), INVALID, 7157c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 7167c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 7197c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtpd2dq",XMM,16),INVALID, 7207c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 7217c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 7227c478bd9Sstevel@tonic-gate 7237c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 7247c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 7257c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 7267c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 7277c478bd9Sstevel@tonic-gate }; 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate /* 7307c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repz (0xf3) prefix. 7317c478bd9Sstevel@tonic-gate */ 7327c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepz[256] = { 7337c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 7347c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 7357c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 7367c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 7377c478bd9Sstevel@tonic-gate 7387c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movss",XMM,4), TNSZ("movss",XMMS,4), INVALID, INVALID, 7397c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 7407c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 7417c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 7447c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 745f8801251Skk /* [28] */ INVALID, INVALID, TNSZ("cvtsi2ss",XMM3MX,4),TNSZ("movntss",XMMMS,4), 7467c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID, INVALID, 7477c478bd9Sstevel@tonic-gate 7487c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 7497c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 7507c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 7517c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 7527c478bd9Sstevel@tonic-gate 7537c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 7547c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 7557c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 7567c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 7577c478bd9Sstevel@tonic-gate 7587c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtss",XMM,4), TNSZ("rsqrtss",XMM,4), TNSZ("rcpss",XMM,4), 7597c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 7607c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addss",XMM,4), TNSZ("mulss",XMM,4), TNSZ("cvtss2sd",XMM,4), TNSZ("cvttps2dq",XMM,16), 7617c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subss",XMM,4), TNSZ("minss",XMM,4), TNSZ("divss",XMM,4), TNSZ("maxss",XMM,4), 7627c478bd9Sstevel@tonic-gate 7637c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 7647c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 7657c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 7667c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, TNSZ("movdqu",XMM,16), 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufhw",XMMP,16),INVALID, INVALID, INVALID, 7697c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 7707c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 7717c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movq",XMM,8), TNSZ("movdqu",XMMS,16), 7727c478bd9Sstevel@tonic-gate 7737c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 7747c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 7757c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 7767c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 7797c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 7807c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 7817c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 7847c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 7857c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 7867c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 7897c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 790f8801251Skk /* [B8] */ TS("popcnt",MRw), INVALID, INVALID, INVALID, 791f8801251Skk /* [BC] */ INVALID, TS("lzcnt",MRw), INVALID, INVALID, 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpss",XMMP,4), INVALID, 7947c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 7957c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 7967c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 7977c478bd9Sstevel@tonic-gate 7987c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 7997c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movq2dq",XMMMX), INVALID, 8007c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 8017c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 8047c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtdq2pd",XMM,8), INVALID, 8057c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 8067c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 8097c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 8107c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 8117c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 8127c478bd9Sstevel@tonic-gate }; 8137c478bd9Sstevel@tonic-gate 814*d0f8ff6eSkk const instable_t dis_op0F38[256] = { 815*d0f8ff6eSkk /* [00] */ TNSZ("pshufb",XMM_66o,16),TNSZ("phaddw",XMM_66o,16),TNSZ("phaddd",XMM_66o,16),TNSZ("phaddsw",XMM_66o,16), 816*d0f8ff6eSkk /* [04] */ TNSZ("pmaddubsw",XMM_66o,16),TNSZ("phsubw",XMM_66o,16), TNSZ("phsubd",XMM_66o,16),TNSZ("phsubsw",XMM_66o,16), 817*d0f8ff6eSkk /* [08] */ TNSZ("psignb",XMM_66o,16),TNSZ("psignw",XMM_66o,16),TNSZ("psignd",XMM_66o,16),TNSZ("pmulhrsw",XMM_66o,16), 818*d0f8ff6eSkk /* [0C] */ INVALID, INVALID, INVALID, INVALID, 819*d0f8ff6eSkk 820*d0f8ff6eSkk /* [10] */ TNSZ("pblendvb",XMM_66r,16),INVALID, INVALID, INVALID, 821*d0f8ff6eSkk /* [14] */ TNSZ("blendvps",XMM_66r,16),TNSZ("blendvpd",XMM_66r,16),INVALID, TNSZ("ptest",XMM_66r,16), 822*d0f8ff6eSkk /* [18] */ INVALID, INVALID, INVALID, INVALID, 823*d0f8ff6eSkk /* [1C] */ TNSZ("pabsb",XMM_66o,16),TNSZ("pabsw",XMM_66o,16),TNSZ("pabsd",XMM_66o,16),INVALID, 824*d0f8ff6eSkk 825*d0f8ff6eSkk /* [20] */ TNSZ("pmovsxbw",XMM_66r,16),TNSZ("pmovsxbd",XMM_66r,16),TNSZ("pmovsxbq",XMM_66r,16),TNSZ("pmovsxwd",XMM_66r,16), 826*d0f8ff6eSkk /* [24] */ TNSZ("pmovsxwq",XMM_66r,16),TNSZ("pmovsxdq",XMM_66r,16),INVALID, INVALID, 827*d0f8ff6eSkk /* [28] */ TNSZ("pmuldq",XMM_66r,16),TNSZ("pcmpeqq",XMM_66r,16),TNSZ("movntdqa",XMMM_66r,16),TNSZ("packusdw",XMM_66r,16), 828*d0f8ff6eSkk /* [2C] */ INVALID, INVALID, INVALID, INVALID, 829*d0f8ff6eSkk 830*d0f8ff6eSkk /* [30] */ TNSZ("pmovzxbw",XMM_66r,16),TNSZ("pmovzxbd",XMM_66r,16),TNSZ("pmovzxbq",XMM_66r,16),TNSZ("pmovzxwd",XMM_66r,16), 831*d0f8ff6eSkk /* [34] */ TNSZ("pmovzxwq",XMM_66r,16),TNSZ("pmovzxdq",XMM_66r,16),INVALID, TNSZ("pcmpgtq",XMM_66r,16), 832*d0f8ff6eSkk /* [38] */ TNSZ("pminsb",XMM_66r,16),TNSZ("pminsd",XMM_66r,16),TNSZ("pminuw",XMM_66r,16),TNSZ("pminud",XMM_66r,16), 833*d0f8ff6eSkk /* [3C] */ TNSZ("pmaxsb",XMM_66r,16),TNSZ("pmaxsd",XMM_66r,16),TNSZ("pmaxuw",XMM_66r,16),TNSZ("pmaxud",XMM_66r,16), 834*d0f8ff6eSkk 835*d0f8ff6eSkk /* [40] */ TNSZ("pmulld",XMM_66r,16),TNSZ("phminposuw",XMM_66r,16),INVALID, INVALID, 836*d0f8ff6eSkk /* [44] */ INVALID, INVALID, INVALID, INVALID, 837*d0f8ff6eSkk /* [48] */ INVALID, INVALID, INVALID, INVALID, 838*d0f8ff6eSkk /* [4C] */ INVALID, INVALID, INVALID, INVALID, 839*d0f8ff6eSkk 840*d0f8ff6eSkk /* [50] */ INVALID, INVALID, INVALID, INVALID, 841*d0f8ff6eSkk /* [54] */ INVALID, INVALID, INVALID, INVALID, 842*d0f8ff6eSkk /* [58] */ INVALID, INVALID, INVALID, INVALID, 843*d0f8ff6eSkk /* [5C] */ INVALID, INVALID, INVALID, INVALID, 844*d0f8ff6eSkk 845*d0f8ff6eSkk /* [60] */ INVALID, INVALID, INVALID, INVALID, 846*d0f8ff6eSkk /* [64] */ INVALID, INVALID, INVALID, INVALID, 847*d0f8ff6eSkk /* [68] */ INVALID, INVALID, INVALID, INVALID, 848*d0f8ff6eSkk /* [6C] */ INVALID, INVALID, INVALID, INVALID, 849*d0f8ff6eSkk 850*d0f8ff6eSkk /* [70] */ INVALID, INVALID, INVALID, INVALID, 851*d0f8ff6eSkk /* [74] */ INVALID, INVALID, INVALID, INVALID, 852*d0f8ff6eSkk /* [78] */ INVALID, INVALID, INVALID, INVALID, 853*d0f8ff6eSkk /* [7C] */ INVALID, INVALID, INVALID, INVALID, 854*d0f8ff6eSkk 855*d0f8ff6eSkk /* [80] */ INVALID, INVALID, INVALID, INVALID, 856*d0f8ff6eSkk /* [84] */ INVALID, INVALID, INVALID, INVALID, 857*d0f8ff6eSkk /* [88] */ INVALID, INVALID, INVALID, INVALID, 858*d0f8ff6eSkk /* [8C] */ INVALID, INVALID, INVALID, INVALID, 859*d0f8ff6eSkk 860*d0f8ff6eSkk /* [90] */ INVALID, INVALID, INVALID, INVALID, 861*d0f8ff6eSkk /* [94] */ INVALID, INVALID, INVALID, INVALID, 862*d0f8ff6eSkk /* [98] */ INVALID, INVALID, INVALID, INVALID, 863*d0f8ff6eSkk /* [9C] */ INVALID, INVALID, INVALID, INVALID, 864*d0f8ff6eSkk 865*d0f8ff6eSkk /* [A0] */ INVALID, INVALID, INVALID, INVALID, 866*d0f8ff6eSkk /* [A4] */ INVALID, INVALID, INVALID, INVALID, 867*d0f8ff6eSkk /* [A8] */ INVALID, INVALID, INVALID, INVALID, 868*d0f8ff6eSkk /* [AC] */ INVALID, INVALID, INVALID, INVALID, 869*d0f8ff6eSkk 870*d0f8ff6eSkk /* [B0] */ INVALID, INVALID, INVALID, INVALID, 871*d0f8ff6eSkk /* [B4] */ INVALID, INVALID, INVALID, INVALID, 872*d0f8ff6eSkk /* [B8] */ INVALID, INVALID, INVALID, INVALID, 873*d0f8ff6eSkk /* [BC] */ INVALID, INVALID, INVALID, INVALID, 874*d0f8ff6eSkk 875*d0f8ff6eSkk /* [C0] */ INVALID, INVALID, INVALID, INVALID, 876*d0f8ff6eSkk /* [C4] */ INVALID, INVALID, INVALID, INVALID, 877*d0f8ff6eSkk /* [C8] */ INVALID, INVALID, INVALID, INVALID, 878*d0f8ff6eSkk /* [CC] */ INVALID, INVALID, INVALID, INVALID, 879*d0f8ff6eSkk 880*d0f8ff6eSkk /* [D0] */ INVALID, INVALID, INVALID, INVALID, 881*d0f8ff6eSkk /* [D4] */ INVALID, INVALID, INVALID, INVALID, 882*d0f8ff6eSkk /* [D8] */ INVALID, INVALID, INVALID, INVALID, 883*d0f8ff6eSkk /* [DC] */ INVALID, INVALID, INVALID, INVALID, 884*d0f8ff6eSkk 885*d0f8ff6eSkk /* [E0] */ INVALID, INVALID, INVALID, INVALID, 886*d0f8ff6eSkk /* [E4] */ INVALID, INVALID, INVALID, INVALID, 887*d0f8ff6eSkk /* [E8] */ INVALID, INVALID, INVALID, INVALID, 888*d0f8ff6eSkk /* [EC] */ INVALID, INVALID, INVALID, INVALID, 889*d0f8ff6eSkk 890*d0f8ff6eSkk /* [F0] */ TNS("crc32b",CRC32), TS("crc32",CRC32), INVALID, INVALID, 891*d0f8ff6eSkk /* [F4] */ INVALID, INVALID, INVALID, INVALID, 892*d0f8ff6eSkk /* [F8] */ INVALID, INVALID, INVALID, INVALID, 893*d0f8ff6eSkk /* [FC] */ INVALID, INVALID, INVALID, INVALID, 894*d0f8ff6eSkk }; 895*d0f8ff6eSkk 896*d0f8ff6eSkk const instable_t dis_op0F3A[256] = { 897*d0f8ff6eSkk /* [00] */ INVALID, INVALID, INVALID, INVALID, 898*d0f8ff6eSkk /* [04] */ INVALID, INVALID, INVALID, INVALID, 899*d0f8ff6eSkk /* [08] */ TNSZ("roundps",XMMP_66r,16),TNSZ("roundpd",XMMP_66r,16),TNSZ("roundss",XMMP_66r,16),TNSZ("roundsd",XMMP_66r,16), 900*d0f8ff6eSkk /* [0C] */ TNSZ("blendps",XMMP_66r,16),TNSZ("blendpd",XMMP_66r,16),TNSZ("pblendw",XMMP_66r,16),TNSZ("palignr",XMMP_66o,16), 901*d0f8ff6eSkk 902*d0f8ff6eSkk /* [10] */ INVALID, INVALID, INVALID, INVALID, 903*d0f8ff6eSkk /* [14] */ TNSZ("pextrb",XMM3PM_66r,8),TNSZ("pextrw",XMM3PM_66r,16),TSZ("pextr",XMM3PM_66r,16),TNSZ("extractps",XMM3PM_66r,16), 904*d0f8ff6eSkk /* [18] */ INVALID, INVALID, INVALID, INVALID, 905*d0f8ff6eSkk /* [1C] */ INVALID, INVALID, INVALID, INVALID, 906*d0f8ff6eSkk 907*d0f8ff6eSkk /* [20] */ TNSZ("pinsrb",XMMPRM_66r,8),TNSZ("insertps",XMMP_66r,16),TSZ("pinsr",XMMPRM_66r,16),INVALID, 908*d0f8ff6eSkk /* [24] */ INVALID, INVALID, INVALID, INVALID, 909*d0f8ff6eSkk /* [28] */ INVALID, INVALID, INVALID, INVALID, 910*d0f8ff6eSkk /* [2C] */ INVALID, INVALID, INVALID, INVALID, 911*d0f8ff6eSkk 912*d0f8ff6eSkk /* [30] */ INVALID, INVALID, INVALID, INVALID, 913*d0f8ff6eSkk /* [34] */ INVALID, INVALID, INVALID, INVALID, 914*d0f8ff6eSkk /* [38] */ INVALID, INVALID, INVALID, INVALID, 915*d0f8ff6eSkk /* [3C] */ INVALID, INVALID, INVALID, INVALID, 916*d0f8ff6eSkk 917*d0f8ff6eSkk /* [40] */ TNSZ("dpps",XMMP_66r,16),TNSZ("dppd",XMMP_66r,16),TNSZ("mpsadbw",XMMP_66r,16),INVALID, 918*d0f8ff6eSkk /* [44] */ INVALID, INVALID, INVALID, INVALID, 919*d0f8ff6eSkk /* [48] */ INVALID, INVALID, INVALID, INVALID, 920*d0f8ff6eSkk /* [4C] */ INVALID, INVALID, INVALID, INVALID, 921*d0f8ff6eSkk 922*d0f8ff6eSkk /* [50] */ INVALID, INVALID, INVALID, INVALID, 923*d0f8ff6eSkk /* [54] */ INVALID, INVALID, INVALID, INVALID, 924*d0f8ff6eSkk /* [58] */ INVALID, INVALID, INVALID, INVALID, 925*d0f8ff6eSkk /* [5C] */ INVALID, INVALID, INVALID, INVALID, 926*d0f8ff6eSkk 927*d0f8ff6eSkk /* [60] */ TNSZ("pcmpestrm",XMMP_66r,16),TNSZ("pcmpestri",XMMP_66r,16),TNSZ("pcmpistrm",XMMP_66r,16),TNSZ("pcmpistri",XMMP_66r,16), 928*d0f8ff6eSkk /* [64] */ INVALID, INVALID, INVALID, INVALID, 929*d0f8ff6eSkk /* [68] */ INVALID, INVALID, INVALID, INVALID, 930*d0f8ff6eSkk /* [6C] */ INVALID, INVALID, INVALID, INVALID, 931*d0f8ff6eSkk 932*d0f8ff6eSkk /* [70] */ INVALID, INVALID, INVALID, INVALID, 933*d0f8ff6eSkk /* [74] */ INVALID, INVALID, INVALID, INVALID, 934*d0f8ff6eSkk /* [78] */ INVALID, INVALID, INVALID, INVALID, 935*d0f8ff6eSkk /* [7C] */ INVALID, INVALID, INVALID, INVALID, 936*d0f8ff6eSkk 937*d0f8ff6eSkk /* [80] */ INVALID, INVALID, INVALID, INVALID, 938*d0f8ff6eSkk /* [84] */ INVALID, INVALID, INVALID, INVALID, 939*d0f8ff6eSkk /* [88] */ INVALID, INVALID, INVALID, INVALID, 940*d0f8ff6eSkk /* [8C] */ INVALID, INVALID, INVALID, INVALID, 941*d0f8ff6eSkk 942*d0f8ff6eSkk /* [90] */ INVALID, INVALID, INVALID, INVALID, 943*d0f8ff6eSkk /* [94] */ INVALID, INVALID, INVALID, INVALID, 944*d0f8ff6eSkk /* [98] */ INVALID, INVALID, INVALID, INVALID, 945*d0f8ff6eSkk /* [9C] */ INVALID, INVALID, INVALID, INVALID, 946*d0f8ff6eSkk 947*d0f8ff6eSkk /* [A0] */ INVALID, INVALID, INVALID, INVALID, 948*d0f8ff6eSkk /* [A4] */ INVALID, INVALID, INVALID, INVALID, 949*d0f8ff6eSkk /* [A8] */ INVALID, INVALID, INVALID, INVALID, 950*d0f8ff6eSkk /* [AC] */ INVALID, INVALID, INVALID, INVALID, 951*d0f8ff6eSkk 952*d0f8ff6eSkk /* [B0] */ INVALID, INVALID, INVALID, INVALID, 953*d0f8ff6eSkk /* [B4] */ INVALID, INVALID, INVALID, INVALID, 954*d0f8ff6eSkk /* [B8] */ INVALID, INVALID, INVALID, INVALID, 955*d0f8ff6eSkk /* [BC] */ INVALID, INVALID, INVALID, INVALID, 956*d0f8ff6eSkk 957*d0f8ff6eSkk /* [C0] */ INVALID, INVALID, INVALID, INVALID, 958*d0f8ff6eSkk /* [C4] */ INVALID, INVALID, INVALID, INVALID, 959*d0f8ff6eSkk /* [C8] */ INVALID, INVALID, INVALID, INVALID, 960*d0f8ff6eSkk /* [CC] */ INVALID, INVALID, INVALID, INVALID, 961*d0f8ff6eSkk 962*d0f8ff6eSkk /* [D0] */ INVALID, INVALID, INVALID, INVALID, 963*d0f8ff6eSkk /* [D4] */ INVALID, INVALID, INVALID, INVALID, 964*d0f8ff6eSkk /* [D8] */ INVALID, INVALID, INVALID, INVALID, 965*d0f8ff6eSkk /* [DC] */ INVALID, INVALID, INVALID, INVALID, 966*d0f8ff6eSkk 967*d0f8ff6eSkk /* [E0] */ INVALID, INVALID, INVALID, INVALID, 968*d0f8ff6eSkk /* [E4] */ INVALID, INVALID, INVALID, INVALID, 969*d0f8ff6eSkk /* [E8] */ INVALID, INVALID, INVALID, INVALID, 970*d0f8ff6eSkk /* [EC] */ INVALID, INVALID, INVALID, INVALID, 971*d0f8ff6eSkk 972*d0f8ff6eSkk /* [F0] */ INVALID, INVALID, INVALID, INVALID, 973*d0f8ff6eSkk /* [F4] */ INVALID, INVALID, INVALID, INVALID, 974*d0f8ff6eSkk /* [F8] */ INVALID, INVALID, INVALID, INVALID, 975*d0f8ff6eSkk /* [FC] */ INVALID, INVALID, INVALID, INVALID, 976*d0f8ff6eSkk }; 977*d0f8ff6eSkk 9787c478bd9Sstevel@tonic-gate /* 9797c478bd9Sstevel@tonic-gate * Decode table for 0x0F opcodes 9807c478bd9Sstevel@tonic-gate */ 9817c478bd9Sstevel@tonic-gate 9827c478bd9Sstevel@tonic-gate const instable_t dis_op0F[16][16] = { 9837c478bd9Sstevel@tonic-gate { 9847c478bd9Sstevel@tonic-gate /* [00] */ IND(dis_op0F00), IND(dis_op0F01), TNS("lar",MR), TNS("lsl",MR), 9857c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("syscall",NORM), TNS("clts",NORM), TNS("sysret",NORM), 9867c478bd9Sstevel@tonic-gate /* [08] */ TNS("invd",NORM), TNS("wbinvd",NORM), INVALID, TNS("ud2",NORM), 9877c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 9887c478bd9Sstevel@tonic-gate }, { 9897c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movups",XMMO,16), TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8), TNSZ("movlps",XMMOS,8), 9907c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8), 9917c478bd9Sstevel@tonic-gate /* [18] */ IND(dis_op0F18), INVALID, INVALID, INVALID, 9927c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 9937c478bd9Sstevel@tonic-gate }, { 9947c478bd9Sstevel@tonic-gate /* [20] */ TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), 9957c478bd9Sstevel@tonic-gate /* [24] */ TSx("mov",SREG), INVALID, TSx("mov",SREG), INVALID, 9967c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movaps",XMMO,16), TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16), 9977c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4), 9987c478bd9Sstevel@tonic-gate }, { 9997c478bd9Sstevel@tonic-gate /* [30] */ TNS("wrmsr",NORM), TNS("rdtsc",NORM), TNS("rdmsr",NORM), TNS("rdpmc",NORM), 10007c478bd9Sstevel@tonic-gate /* [34] */ TNSx("sysenter",NORM), TNSx("sysexit",NORM), INVALID, INVALID, 10017c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 10027c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 10037c478bd9Sstevel@tonic-gate }, { 10047c478bd9Sstevel@tonic-gate /* [40] */ TS("cmovx.o",MR), TS("cmovx.no",MR), TS("cmovx.b",MR), TS("cmovx.ae",MR), 10057c478bd9Sstevel@tonic-gate /* [44] */ TS("cmovx.e",MR), TS("cmovx.ne",MR), TS("cmovx.be",MR), TS("cmovx.a",MR), 10067c478bd9Sstevel@tonic-gate /* [48] */ TS("cmovx.s",MR), TS("cmovx.ns",MR), TS("cmovx.pe",MR), TS("cmovx.po",MR), 10077c478bd9Sstevel@tonic-gate /* [4C] */ TS("cmovx.l",MR), TS("cmovx.ge",MR), TS("cmovx.le",MR), TS("cmovx.g",MR), 10087c478bd9Sstevel@tonic-gate }, { 10097c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskps",XMMOX3), TNSZ("sqrtps",XMMO,16), TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16), 10107c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andps",XMMO,16), TNSZ("andnps",XMMO,16), TNSZ("orps",XMMO,16), TNSZ("xorps",XMMO,16), 10117c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addps",XMMO,16), TNSZ("mulps",XMMO,16), TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16), 10127c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subps",XMMO,16), TNSZ("minps",XMMO,16), TNSZ("divps",XMMO,16), TNSZ("maxps",XMMO,16), 10137c478bd9Sstevel@tonic-gate }, { 10147c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8), 10157c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",MMO,8), TNSZ("pcmpgtw",MMO,8), TNSZ("pcmpgtd",MMO,8), TNSZ("packuswb",MMO,8), 10167c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8), 10177c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("INVALID",MMO,0), TNSZ("INVALID",MMO,0), TNSZ("movd",MMO,4), TNSZ("movq",MMO,8), 10187c478bd9Sstevel@tonic-gate }, { 10197c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufw",MMOPM,8), TNS("psrXXX",MR), TNS("psrXXX",MR), TNS("psrXXX",MR), 10207c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",MMO,8), TNSZ("pcmpeqw",MMO,8), TNSZ("pcmpeqd",MMO,8), TNS("emms",NORM), 1021f8801251Skk /* [78] */ TNS("INVALID",XMMO), TNS("INVALID",XMMO), INVALID, INVALID, 10227c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",MMOS,4), TNSZ("movq",MMOS,8), 10237c478bd9Sstevel@tonic-gate }, { 10247c478bd9Sstevel@tonic-gate /* [80] */ TNS("jo",D), TNS("jno",D), TNS("jb",D), TNS("jae",D), 10257c478bd9Sstevel@tonic-gate /* [84] */ TNS("je",D), TNS("jne",D), TNS("jbe",D), TNS("ja",D), 10267c478bd9Sstevel@tonic-gate /* [88] */ TNS("js",D), TNS("jns",D), TNS("jp",D), TNS("jnp",D), 10277c478bd9Sstevel@tonic-gate /* [8C] */ TNS("jl",D), TNS("jge",D), TNS("jle",D), TNS("jg",D), 10287c478bd9Sstevel@tonic-gate }, { 10297c478bd9Sstevel@tonic-gate /* [90] */ TNS("seto",Mb), TNS("setno",Mb), TNS("setb",Mb), TNS("setae",Mb), 10307c478bd9Sstevel@tonic-gate /* [94] */ TNS("sete",Mb), TNS("setne",Mb), TNS("setbe",Mb), TNS("seta",Mb), 10317c478bd9Sstevel@tonic-gate /* [98] */ TNS("sets",Mb), TNS("setns",Mb), TNS("setp",Mb), TNS("setnp",Mb), 10327c478bd9Sstevel@tonic-gate /* [9C] */ TNS("setl",Mb), TNS("setge",Mb), TNS("setle",Mb), TNS("setg",Mb), 10337c478bd9Sstevel@tonic-gate }, { 10347c478bd9Sstevel@tonic-gate /* [A0] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("cpuid",NORM), TS("bt",RMw), 10357c478bd9Sstevel@tonic-gate /* [A4] */ TS("shld",DSHIFT), TS("shld",DSHIFTcl), INVALID, INVALID, 10367c478bd9Sstevel@tonic-gate /* [A8] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("rsm",NORM), TS("bts",RMw), 10377c478bd9Sstevel@tonic-gate /* [AC] */ TS("shrd",DSHIFT), TS("shrd",DSHIFTcl), IND(dis_op0FAE), TS("imul",MRw), 10387c478bd9Sstevel@tonic-gate }, { 10397c478bd9Sstevel@tonic-gate /* [B0] */ TNS("cmpxchgb",RMw), TS("cmpxchg",RMw), TS("lss",MR), TS("btr",RMw), 10407c478bd9Sstevel@tonic-gate /* [B4] */ TS("lfs",MR), TS("lgs",MR), TS("movzb",MOVZ), TNS("movzwl",MOVZ), 1041f8801251Skk /* [B8] */ TNS("INVALID",MRw), INVALID, IND(dis_op0FBA), TS("btc",RMw), 10427c478bd9Sstevel@tonic-gate /* [BC] */ TS("bsf",MRw), TS("bsr",MRw), TS("movsb",MOVZ), TNS("movswl",MOVZ), 10437c478bd9Sstevel@tonic-gate }, { 10447c478bd9Sstevel@tonic-gate /* [C0] */ TNS("xaddb",XADDB), TS("xadd",RMw), TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM), 10457c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7), 10467c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 10477c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 10487c478bd9Sstevel@tonic-gate }, { 10497c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",MMO,8), TNSZ("psrld",MMO,8), TNSZ("psrlq",MMO,8), 10507c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",MMO,8), TNSZ("pmullw",MMO,8), TNSZ("INVALID",MMO,0), TNS("pmovmskb",MMOM3), 10517c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",MMO,8), TNSZ("psubusw",MMO,8), TNSZ("pminub",MMO,8), TNSZ("pand",MMO,8), 10527c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",MMO,8), TNSZ("paddusw",MMO,8), TNSZ("pmaxub",MMO,8), TNSZ("pandn",MMO,8), 10537c478bd9Sstevel@tonic-gate }, { 10547c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",MMO,8), TNSZ("psraw",MMO,8), TNSZ("psrad",MMO,8), TNSZ("pavgw",MMO,8), 10557c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",MMO,8), TNSZ("pmulhw",MMO,8), TNS("INVALID",XMMO), TNSZ("movntq",MMOMS,8), 10567c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",MMO,8), TNSZ("psubsw",MMO,8), TNSZ("pminsw",MMO,8), TNSZ("por",MMO,8), 10577c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",MMO,8), TNSZ("paddsw",MMO,8), TNSZ("pmaxsw",MMO,8), TNSZ("pxor",MMO,8), 10587c478bd9Sstevel@tonic-gate }, { 10597c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",MMO,8), TNSZ("pslld",MMO,8), TNSZ("psllq",MMO,8), 10607c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",MMO,8), TNSZ("pmaddwd",MMO,8), TNSZ("psadbw",MMO,8), TNSZ("maskmovq",MMOIMPL,8), 10617c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",MMO,8), TNSZ("psubw",MMO,8), TNSZ("psubd",MMO,8), TNSZ("psubq",MMO,8), 10627c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",MMO,8), TNSZ("paddw",MMO,8), TNSZ("paddd",MMO,8), INVALID, 10637c478bd9Sstevel@tonic-gate } }; 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate /* 10677c478bd9Sstevel@tonic-gate * Decode table for 0x80 opcodes 10687c478bd9Sstevel@tonic-gate */ 10697c478bd9Sstevel@tonic-gate 10707c478bd9Sstevel@tonic-gate const instable_t dis_op80[8] = { 10717c478bd9Sstevel@tonic-gate 10727c478bd9Sstevel@tonic-gate /* [0] */ TNS("addb",IMlw), TNS("orb",IMw), TNS("adcb",IMlw), TNS("sbbb",IMlw), 10737c478bd9Sstevel@tonic-gate /* [4] */ TNS("andb",IMw), TNS("subb",IMlw), TNS("xorb",IMw), TNS("cmpb",IMlw), 10747c478bd9Sstevel@tonic-gate }; 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate /* 10787c478bd9Sstevel@tonic-gate * Decode table for 0x81 opcodes. 10797c478bd9Sstevel@tonic-gate */ 10807c478bd9Sstevel@tonic-gate 10817c478bd9Sstevel@tonic-gate const instable_t dis_op81[8] = { 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMw), TS("adc",IMlw), TS("sbb",IMlw), 10847c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMw), TS("sub",IMlw), TS("xor",IMw), TS("cmp",IMlw), 10857c478bd9Sstevel@tonic-gate }; 10867c478bd9Sstevel@tonic-gate 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate /* 10897c478bd9Sstevel@tonic-gate * Decode table for 0x82 opcodes. 10907c478bd9Sstevel@tonic-gate */ 10917c478bd9Sstevel@tonic-gate 10927c478bd9Sstevel@tonic-gate const instable_t dis_op82[8] = { 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate /* [0] */ TNSx("addb",IMlw), TNSx("orb",IMlw), TNSx("adcb",IMlw), TNSx("sbbb",IMlw), 10957c478bd9Sstevel@tonic-gate /* [4] */ TNSx("andb",IMlw), TNSx("subb",IMlw), TNSx("xorb",IMlw), TNSx("cmpb",IMlw), 10967c478bd9Sstevel@tonic-gate }; 10977c478bd9Sstevel@tonic-gate /* 10987c478bd9Sstevel@tonic-gate * Decode table for 0x83 opcodes. 10997c478bd9Sstevel@tonic-gate */ 11007c478bd9Sstevel@tonic-gate 11017c478bd9Sstevel@tonic-gate const instable_t dis_op83[8] = { 11027c478bd9Sstevel@tonic-gate 11037c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMlw), TS("adc",IMlw), TS("sbb",IMlw), 11047c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMlw), TS("sub",IMlw), TS("xor",IMlw), TS("cmp",IMlw), 11057c478bd9Sstevel@tonic-gate }; 11067c478bd9Sstevel@tonic-gate 11077c478bd9Sstevel@tonic-gate /* 11087c478bd9Sstevel@tonic-gate * Decode table for 0xC0 opcodes. 11097c478bd9Sstevel@tonic-gate */ 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate const instable_t dis_opC0[8] = { 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",MvI), TNS("rorb",MvI), TNS("rclb",MvI), TNS("rcrb",MvI), 11147c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",MvI), TNS("shrb",MvI), INVALID, TNS("sarb",MvI), 11157c478bd9Sstevel@tonic-gate }; 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate /* 11187c478bd9Sstevel@tonic-gate * Decode table for 0xD0 opcodes. 11197c478bd9Sstevel@tonic-gate */ 11207c478bd9Sstevel@tonic-gate 11217c478bd9Sstevel@tonic-gate const instable_t dis_opD0[8] = { 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 11247c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 11257c478bd9Sstevel@tonic-gate }; 11267c478bd9Sstevel@tonic-gate 11277c478bd9Sstevel@tonic-gate /* 11287c478bd9Sstevel@tonic-gate * Decode table for 0xC1 opcodes. 11297c478bd9Sstevel@tonic-gate * 186 instruction set 11307c478bd9Sstevel@tonic-gate */ 11317c478bd9Sstevel@tonic-gate 11327c478bd9Sstevel@tonic-gate const instable_t dis_opC1[8] = { 11337c478bd9Sstevel@tonic-gate 11347c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",MvI), TS("ror",MvI), TS("rcl",MvI), TS("rcr",MvI), 11357c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",MvI), TS("shr",MvI), TS("sal",MvI), TS("sar",MvI), 11367c478bd9Sstevel@tonic-gate }; 11377c478bd9Sstevel@tonic-gate 11387c478bd9Sstevel@tonic-gate /* 11397c478bd9Sstevel@tonic-gate * Decode table for 0xD1 opcodes. 11407c478bd9Sstevel@tonic-gate */ 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate const instable_t dis_opD1[8] = { 11437c478bd9Sstevel@tonic-gate 11447c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 11457c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("sal",Mv), TS("sar",Mv), 11467c478bd9Sstevel@tonic-gate }; 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate /* 11507c478bd9Sstevel@tonic-gate * Decode table for 0xD2 opcodes. 11517c478bd9Sstevel@tonic-gate */ 11527c478bd9Sstevel@tonic-gate 11537c478bd9Sstevel@tonic-gate const instable_t dis_opD2[8] = { 11547c478bd9Sstevel@tonic-gate 11557c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 11567c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 11577c478bd9Sstevel@tonic-gate }; 11587c478bd9Sstevel@tonic-gate /* 11597c478bd9Sstevel@tonic-gate * Decode table for 0xD3 opcodes. 11607c478bd9Sstevel@tonic-gate */ 11617c478bd9Sstevel@tonic-gate 11627c478bd9Sstevel@tonic-gate const instable_t dis_opD3[8] = { 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 11657c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("salb",Mv), TS("sar",Mv), 11667c478bd9Sstevel@tonic-gate }; 11677c478bd9Sstevel@tonic-gate 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate /* 11707c478bd9Sstevel@tonic-gate * Decode table for 0xF6 opcodes. 11717c478bd9Sstevel@tonic-gate */ 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate const instable_t dis_opF6[8] = { 11747c478bd9Sstevel@tonic-gate 11757c478bd9Sstevel@tonic-gate /* [0] */ TNS("testb",IMw), TNS("testb",IMw), TNS("notb",Mw), TNS("negb",Mw), 11767c478bd9Sstevel@tonic-gate /* [4] */ TNS("mulb",MA), TNS("imulb",MA), TNS("divb",MA), TNS("idivb",MA), 11777c478bd9Sstevel@tonic-gate }; 11787c478bd9Sstevel@tonic-gate 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate /* 11817c478bd9Sstevel@tonic-gate * Decode table for 0xF7 opcodes. 11827c478bd9Sstevel@tonic-gate */ 11837c478bd9Sstevel@tonic-gate 11847c478bd9Sstevel@tonic-gate const instable_t dis_opF7[8] = { 11857c478bd9Sstevel@tonic-gate 11867c478bd9Sstevel@tonic-gate /* [0] */ TS("test",IMw), TS("test",IMw), TS("not",Mw), TS("neg",Mw), 11877c478bd9Sstevel@tonic-gate /* [4] */ TS("mul",MA), TS("imul",MA), TS("div",MA), TS("idiv",MA), 11887c478bd9Sstevel@tonic-gate }; 11897c478bd9Sstevel@tonic-gate 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate /* 11927c478bd9Sstevel@tonic-gate * Decode table for 0xFE opcodes. 11937c478bd9Sstevel@tonic-gate */ 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate const instable_t dis_opFE[8] = { 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate /* [0] */ TNS("incb",Mw), TNS("decb",Mw), INVALID, INVALID, 11987c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 11997c478bd9Sstevel@tonic-gate }; 12007c478bd9Sstevel@tonic-gate /* 12017c478bd9Sstevel@tonic-gate * Decode table for 0xFF opcodes. 12027c478bd9Sstevel@tonic-gate */ 12037c478bd9Sstevel@tonic-gate 12047c478bd9Sstevel@tonic-gate const instable_t dis_opFF[8] = { 12057c478bd9Sstevel@tonic-gate 12067c478bd9Sstevel@tonic-gate /* [0] */ TS("inc",Mw), TS("dec",Mw), TNSyp("call",INM), TNS("lcall",INM), 12077c478bd9Sstevel@tonic-gate /* [4] */ TNSy("jmp",INM), TNS("ljmp",INM), TSp("push",M), INVALID, 12087c478bd9Sstevel@tonic-gate }; 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate /* for 287 instructions, which are a mess to decode */ 12117c478bd9Sstevel@tonic-gate 12127c478bd9Sstevel@tonic-gate const instable_t dis_opFP1n2[8][8] = { 12137c478bd9Sstevel@tonic-gate { 12147c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx MODxx xR/M */ 12157c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadds",M), TNS("fmuls",M), TNS("fcoms",M), TNS("fcomps",M), 12167c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsubs",M), TNS("fsubrs",M), TNS("fdivs",M), TNS("fdivrs",M), 12177c478bd9Sstevel@tonic-gate }, { 12187c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("flds",M), INVALID, TNS("fsts",M), TNS("fstps",M), 12197c478bd9Sstevel@tonic-gate /* [1,4] */ TNSZ("fldenv",M,28), TNSZ("fldcw",M,2), TNSZ("fnstenv",M,28), TNSZ("fnstcw",M,2), 12207c478bd9Sstevel@tonic-gate }, { 12217c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("fiaddl",M), TNS("fimull",M), TNS("ficoml",M), TNS("ficompl",M), 12227c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fisubl",M), TNS("fisubrl",M), TNS("fidivl",M), TNS("fidivrl",M), 12237c478bd9Sstevel@tonic-gate }, { 12247c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fildl",M), INVALID, TNS("fistl",M), TNS("fistpl",M), 12257c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, TNSZ("fldt",M,10), INVALID, TNSZ("fstpt",M,10), 12267c478bd9Sstevel@tonic-gate }, { 12277c478bd9Sstevel@tonic-gate /* [4,0] */ TNSZ("faddl",M,8), TNSZ("fmull",M,8), TNSZ("fcoml",M,8), TNSZ("fcompl",M,8), 12287c478bd9Sstevel@tonic-gate /* [4,1] */ TNSZ("fsubl",M,8), TNSZ("fsubrl",M,8), TNSZ("fdivl",M,8), TNSZ("fdivrl",M,8), 12297c478bd9Sstevel@tonic-gate }, { 12307c478bd9Sstevel@tonic-gate /* [5,0] */ TNSZ("fldl",M,8), INVALID, TNSZ("fstl",M,8), TNSZ("fstpl",M,8), 12317c478bd9Sstevel@tonic-gate /* [5,4] */ TNSZ("frstor",M,108), INVALID, TNSZ("fnsave",M,108), TNSZ("fnstsw",M,2), 12327c478bd9Sstevel@tonic-gate }, { 12337c478bd9Sstevel@tonic-gate /* [6,0] */ TNSZ("fiadd",M,2), TNSZ("fimul",M,2), TNSZ("ficom",M,2), TNSZ("ficomp",M,2), 12347c478bd9Sstevel@tonic-gate /* [6,4] */ TNSZ("fisub",M,2), TNSZ("fisubr",M,2), TNSZ("fidiv",M,2), TNSZ("fidivr",M,2), 12357c478bd9Sstevel@tonic-gate }, { 12367c478bd9Sstevel@tonic-gate /* [7,0] */ TNSZ("fild",M,2), INVALID, TNSZ("fist",M,2), TNSZ("fistp",M,2), 12377c478bd9Sstevel@tonic-gate /* [7,4] */ TNSZ("fbld",M,10), TNSZ("fildll",M,8), TNSZ("fbstp",M,10), TNSZ("fistpll",M,8), 12387c478bd9Sstevel@tonic-gate } }; 12397c478bd9Sstevel@tonic-gate 12407c478bd9Sstevel@tonic-gate const instable_t dis_opFP3[8][8] = { 12417c478bd9Sstevel@tonic-gate { 12427c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx 11xx xREG */ 12437c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 12447c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 12457c478bd9Sstevel@tonic-gate }, { 12467c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld",F), TNS("fxch",F), TNS("fnop",NORM), TNS("fstp",F), 12477c478bd9Sstevel@tonic-gate /* [1,4] */ INVALID, INVALID, INVALID, INVALID, 12487c478bd9Sstevel@tonic-gate }, { 12497c478bd9Sstevel@tonic-gate /* [2,0] */ INVALID, INVALID, INVALID, INVALID, 12507c478bd9Sstevel@tonic-gate /* [2,4] */ INVALID, TNS("fucompp",NORM), INVALID, INVALID, 12517c478bd9Sstevel@tonic-gate }, { 12527c478bd9Sstevel@tonic-gate /* [3,0] */ INVALID, INVALID, INVALID, INVALID, 12537c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, INVALID, INVALID, INVALID, 12547c478bd9Sstevel@tonic-gate }, { 12557c478bd9Sstevel@tonic-gate /* [4,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 12567c478bd9Sstevel@tonic-gate /* [4,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 12577c478bd9Sstevel@tonic-gate }, { 12587c478bd9Sstevel@tonic-gate /* [5,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fst",F), TNS("fstp",F), 12597c478bd9Sstevel@tonic-gate /* [5,4] */ TNS("fucom",F), TNS("fucomp",F), INVALID, INVALID, 12607c478bd9Sstevel@tonic-gate }, { 12617c478bd9Sstevel@tonic-gate /* [6,0] */ TNS("faddp",FF), TNS("fmulp",FF), TNS("fcomp",F), TNS("fcompp",NORM), 12627c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("fsubp",FF), TNS("fsubrp",FF), TNS("fdivp",FF), TNS("fdivrp",FF), 12637c478bd9Sstevel@tonic-gate }, { 12649902c40fSdmick /* [7,0] */ TNS("ffreep",F), TNS("fxch",F), TNS("fstp",F), TNS("fstp",F), 12657c478bd9Sstevel@tonic-gate /* [7,4] */ TNS("fnstsw",M), TNS("fucomip",FFC), TNS("fcomip",FFC), INVALID, 12667c478bd9Sstevel@tonic-gate } }; 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate const instable_t dis_opFP4[4][8] = { 12697c478bd9Sstevel@tonic-gate { 12707c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1001 111x xxxx */ 12717c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fchs",NORM), TNS("fabs",NORM), INVALID, INVALID, 12727c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("ftst",NORM), TNS("fxam",NORM), TNS("ftstp",NORM), INVALID, 12737c478bd9Sstevel@tonic-gate }, { 12747c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld1",NORM), TNS("fldl2t",NORM), TNS("fldl2e",NORM), TNS("fldpi",NORM), 12757c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("fldlg2",NORM), TNS("fldln2",NORM), TNS("fldz",NORM), INVALID, 12767c478bd9Sstevel@tonic-gate }, { 12777c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("f2xm1",NORM), TNS("fyl2x",NORM), TNS("fptan",NORM), TNS("fpatan",NORM), 12787c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fxtract",NORM), TNS("fprem1",NORM), TNS("fdecstp",NORM), TNS("fincstp",NORM), 12797c478bd9Sstevel@tonic-gate }, { 12807c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fprem",NORM), TNS("fyl2xp1",NORM), TNS("fsqrt",NORM), TNS("fsincos",NORM), 12817c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("frndint",NORM), TNS("fscale",NORM), TNS("fsin",NORM), TNS("fcos",NORM), 12827c478bd9Sstevel@tonic-gate } }; 12837c478bd9Sstevel@tonic-gate 12847c478bd9Sstevel@tonic-gate const instable_t dis_opFP5[8] = { 12857c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 111x xxxx */ 12867c478bd9Sstevel@tonic-gate /* [0] */ TNS("feni",NORM), TNS("fdisi",NORM), TNS("fnclex",NORM), TNS("fninit",NORM), 12877c478bd9Sstevel@tonic-gate /* [4] */ TNS("fsetpm",NORM), TNS("frstpm",NORM), INVALID, INVALID, 12887c478bd9Sstevel@tonic-gate }; 12897c478bd9Sstevel@tonic-gate 12907c478bd9Sstevel@tonic-gate const instable_t dis_opFP6[8] = { 12917c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 11yy yxxx */ 12927c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.nb",FF), TNS("fcmov.ne",FF), TNS("fcmov.nbe",FF), TNS("fcmov.nu",FF), 12937c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("fucomi",F), TNS("fcomi",F), INVALID, 12947c478bd9Sstevel@tonic-gate }; 12957c478bd9Sstevel@tonic-gate 12967c478bd9Sstevel@tonic-gate const instable_t dis_opFP7[8] = { 12977c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1010 11yy yxxx */ 12987c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.b",FF), TNS("fcmov.e",FF), TNS("fcmov.be",FF), TNS("fcmov.u",FF), 12997c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 13007c478bd9Sstevel@tonic-gate }; 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate /* 13037c478bd9Sstevel@tonic-gate * Main decode table for the op codes. The first two nibbles 13047c478bd9Sstevel@tonic-gate * will be used as an index into the table. If there is a 13057c478bd9Sstevel@tonic-gate * a need to further decode an instruction, the array to be 13067c478bd9Sstevel@tonic-gate * referenced is indicated with the other two entries being 13077c478bd9Sstevel@tonic-gate * empty. 13087c478bd9Sstevel@tonic-gate */ 13097c478bd9Sstevel@tonic-gate 13107c478bd9Sstevel@tonic-gate const instable_t dis_distable[16][16] = { 13117c478bd9Sstevel@tonic-gate { 13127c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("addb",RMw), TS("add",RMw), TNS("addb",MRw), TS("add",MRw), 13137c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("addb",IA), TS("add",IA), TSx("push",SEG), TSx("pop",SEG), 13147c478bd9Sstevel@tonic-gate /* [0,8] */ TNS("orb",RMw), TS("or",RMw), TNS("orb",MRw), TS("or",MRw), 13157c478bd9Sstevel@tonic-gate /* [0,C] */ TNS("orb",IA), TS("or",IA), TSx("push",SEG), IND(dis_op0F), 13167c478bd9Sstevel@tonic-gate }, { 13177c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("adcb",RMw), TS("adc",RMw), TNS("adcb",MRw), TS("adc",MRw), 13187c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("adcb",IA), TS("adc",IA), TSx("push",SEG), TSx("pop",SEG), 13197c478bd9Sstevel@tonic-gate /* [1,8] */ TNS("sbbb",RMw), TS("sbb",RMw), TNS("sbbb",MRw), TS("sbb",MRw), 13207c478bd9Sstevel@tonic-gate /* [1,C] */ TNS("sbbb",IA), TS("sbb",IA), TSx("push",SEG), TSx("pop",SEG), 13217c478bd9Sstevel@tonic-gate }, { 13227c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("andb",RMw), TS("and",RMw), TNS("andb",MRw), TS("and",MRw), 13237c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("andb",IA), TS("and",IA), TNSx("%es:",OVERRIDE), TNSx("daa",NORM), 13247c478bd9Sstevel@tonic-gate /* [2,8] */ TNS("subb",RMw), TS("sub",RMw), TNS("subb",MRw), TS("sub",MRw), 13257c478bd9Sstevel@tonic-gate /* [2,C] */ TNS("subb",IA), TS("sub",IA), TNSx("%cs:",OVERRIDE), TNSx("das",NORM), 13267c478bd9Sstevel@tonic-gate }, { 13277c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("xorb",RMw), TS("xor",RMw), TNS("xorb",MRw), TS("xor",MRw), 13287c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("xorb",IA), TS("xor",IA), TNSx("%ss:",OVERRIDE), TNSx("aaa",NORM), 13297c478bd9Sstevel@tonic-gate /* [3,8] */ TNS("cmpb",RMw), TS("cmp",RMw), TNS("cmpb",MRw), TS("cmp",MRw), 13307c478bd9Sstevel@tonic-gate /* [3,C] */ TNS("cmpb",IA), TS("cmp",IA), TNSx("%ds:",OVERRIDE), TNSx("aas",NORM), 13317c478bd9Sstevel@tonic-gate }, { 13327c478bd9Sstevel@tonic-gate /* [4,0] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 13337c478bd9Sstevel@tonic-gate /* [4,4] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 13347c478bd9Sstevel@tonic-gate /* [4,8] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 13357c478bd9Sstevel@tonic-gate /* [4,C] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 13367c478bd9Sstevel@tonic-gate }, { 13377c478bd9Sstevel@tonic-gate /* [5,0] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 13387c478bd9Sstevel@tonic-gate /* [5,4] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 13397c478bd9Sstevel@tonic-gate /* [5,8] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 13407c478bd9Sstevel@tonic-gate /* [5,C] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 13417c478bd9Sstevel@tonic-gate }, { 13427c478bd9Sstevel@tonic-gate /* [6,0] */ TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR), TNS("arpl",RMw), 13437c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("%fs:",OVERRIDE), TNS("%gs:",OVERRIDE), TNS("data16",DM), TNS("addr16",AM), 13447c478bd9Sstevel@tonic-gate /* [6,8] */ TSp("push",I), TS("imul",IMUL), TSp("push",Ib), TS("imul",IMUL), 13457c478bd9Sstevel@tonic-gate /* [6,C] */ TNSZ("insb",IMPLMEM,1), TSZ("ins",IMPLMEM,4), TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4), 13467c478bd9Sstevel@tonic-gate }, { 13477c478bd9Sstevel@tonic-gate /* [7,0] */ TNSy("jo",BD), TNSy("jno",BD), TNSy("jb",BD), TNSy("jae",BD), 13487c478bd9Sstevel@tonic-gate /* [7,4] */ TNSy("je",BD), TNSy("jne",BD), TNSy("jbe",BD), TNSy("ja",BD), 13497c478bd9Sstevel@tonic-gate /* [7,8] */ TNSy("js",BD), TNSy("jns",BD), TNSy("jp",BD), TNSy("jnp",BD), 13507c478bd9Sstevel@tonic-gate /* [7,C] */ TNSy("jl",BD), TNSy("jge",BD), TNSy("jle",BD), TNSy("jg",BD), 13517c478bd9Sstevel@tonic-gate }, { 13527c478bd9Sstevel@tonic-gate /* [8,0] */ IND(dis_op80), IND(dis_op81), INDx(dis_op82), IND(dis_op83), 13537c478bd9Sstevel@tonic-gate /* [8,4] */ TNS("testb",RMw), TS("test",RMw), TNS("xchgb",RMw), TS("xchg",RMw), 13547c478bd9Sstevel@tonic-gate /* [8,8] */ TNS("movb",RMw), TS("mov",RMw), TNS("movb",MRw), TS("mov",MRw), 13557c478bd9Sstevel@tonic-gate /* [8,C] */ TNS("movw",SM), TS("lea",MR), TNS("movw",MS), TSp("pop",M), 13567c478bd9Sstevel@tonic-gate }, { 13577c478bd9Sstevel@tonic-gate /* [9,0] */ TNS("nop",NORM), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 13587c478bd9Sstevel@tonic-gate /* [9,4] */ TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 13597c478bd9Sstevel@tonic-gate /* [9,8] */ TNS("cXtX",CBW), TNS("cXtX",CWD), TNSx("lcall",SO), TNS("fwait",NORM), 13607c478bd9Sstevel@tonic-gate /* [9,C] */ TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4), TNSx("sahf",NORM), TNSx("lahf",NORM), 13617c478bd9Sstevel@tonic-gate }, { 13627c478bd9Sstevel@tonic-gate /* [A,0] */ TNS("movb",OA), TS("mov",OA), TNS("movb",AO), TS("mov",AO), 13637c478bd9Sstevel@tonic-gate /* [A,4] */ TNSZ("movsb",SD,1), TS("movs",SD), TNSZ("cmpsb",SD,1), TS("cmps",SD), 13647c478bd9Sstevel@tonic-gate /* [A,8] */ TNS("testb",IA), TS("test",IA), TNS("stosb",AD), TS("stos",AD), 13657c478bd9Sstevel@tonic-gate /* [A,C] */ TNS("lodsb",SA), TS("lods",SA), TNS("scasb",AD), TS("scas",AD), 13667c478bd9Sstevel@tonic-gate }, { 13677c478bd9Sstevel@tonic-gate /* [B,0] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 13687c478bd9Sstevel@tonic-gate /* [B,4] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 13697c478bd9Sstevel@tonic-gate /* [B,8] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 13707c478bd9Sstevel@tonic-gate /* [B,C] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 13717c478bd9Sstevel@tonic-gate }, { 13727c478bd9Sstevel@tonic-gate /* [C,0] */ IND(dis_opC0), IND(dis_opC1), TNSyp("ret",RET), TNSyp("ret",NORM), 13737c478bd9Sstevel@tonic-gate /* [C,4] */ TNSx("les",MR), TNSx("lds",MR), TNS("movb",IMw), TS("mov",IMw), 13747c478bd9Sstevel@tonic-gate /* [C,8] */ TNSyp("enter",ENTER), TNSyp("leave",NORM), TNS("lret",RET), TNS("lret",NORM), 13757c478bd9Sstevel@tonic-gate /* [C,C] */ TNS("int",INT3), TNS("int",INTx), TNSx("into",NORM), TNS("iret",NORM), 13767c478bd9Sstevel@tonic-gate }, { 13777c478bd9Sstevel@tonic-gate /* [D,0] */ IND(dis_opD0), IND(dis_opD1), IND(dis_opD2), IND(dis_opD3), 13787c478bd9Sstevel@tonic-gate /* [D,4] */ TNSx("aam",U), TNSx("aad",U), TNSx("falc",NORM), TNSZ("xlat",IMPLMEM,1), 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 287 instructions. Note that although the indirect field */ 13817c478bd9Sstevel@tonic-gate /* indicates opFP1n2 for further decoding, this is not necessarily */ 13827c478bd9Sstevel@tonic-gate /* the case since the opFP arrays are not partitioned according to key1 */ 13837c478bd9Sstevel@tonic-gate /* and key2. opFP1n2 is given only to indicate that we haven't */ 13847c478bd9Sstevel@tonic-gate /* finished decoding the instruction. */ 13857c478bd9Sstevel@tonic-gate /* [D,8] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 13867c478bd9Sstevel@tonic-gate /* [D,C] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 13877c478bd9Sstevel@tonic-gate }, { 13887c478bd9Sstevel@tonic-gate /* [E,0] */ TNSy("loopnz",BD), TNSy("loopz",BD), TNSy("loop",BD), TNSy("jcxz",BD), 13897c478bd9Sstevel@tonic-gate /* [E,4] */ TNS("inb",P), TS("in",P), TNS("outb",P), TS("out",P), 13907c478bd9Sstevel@tonic-gate /* [E,8] */ TNSyp("call",D), TNSy("jmp",D), TNSx("ljmp",SO), TNSy("jmp",BD), 13917c478bd9Sstevel@tonic-gate /* [E,C] */ TNS("inb",V), TS("in",V), TNS("outb",V), TS("out",V), 13927c478bd9Sstevel@tonic-gate }, { 13937c478bd9Sstevel@tonic-gate /* [F,0] */ TNS("lock",LOCK), TNS("icebp", NORM), TNS("repnz",PREFIX), TNS("repz",PREFIX), 13947c478bd9Sstevel@tonic-gate /* [F,4] */ TNS("hlt",NORM), TNS("cmc",NORM), IND(dis_opF6), IND(dis_opF7), 13957c478bd9Sstevel@tonic-gate /* [F,8] */ TNS("clc",NORM), TNS("stc",NORM), TNS("cli",NORM), TNS("sti",NORM), 13967c478bd9Sstevel@tonic-gate /* [F,C] */ TNS("cld",NORM), TNS("std",NORM), IND(dis_opFE), IND(dis_opFF), 13977c478bd9Sstevel@tonic-gate } }; 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate /* END CSTYLED */ 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate /* 14027c478bd9Sstevel@tonic-gate * common functions to decode and disassemble an x86 or amd64 instruction 14037c478bd9Sstevel@tonic-gate */ 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate /* 14067c478bd9Sstevel@tonic-gate * These are the individual fields of a REX prefix. Note that a REX 14077c478bd9Sstevel@tonic-gate * prefix with none of these set is still needed to: 14087c478bd9Sstevel@tonic-gate * - use the MOVSXD (sign extend 32 to 64 bits) instruction 14097c478bd9Sstevel@tonic-gate * - access the %sil, %dil, %bpl, %spl registers 14107c478bd9Sstevel@tonic-gate */ 14117c478bd9Sstevel@tonic-gate #define REX_W 0x08 /* 64 bit operand size when set */ 14127c478bd9Sstevel@tonic-gate #define REX_R 0x04 /* high order bit extension of ModRM reg field */ 14137c478bd9Sstevel@tonic-gate #define REX_X 0x02 /* high order bit extension of SIB index field */ 14147c478bd9Sstevel@tonic-gate #define REX_B 0x01 /* extends ModRM r_m, SIB base, or opcode reg */ 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate static uint_t opnd_size; /* SIZE16, SIZE32 or SIZE64 */ 14177c478bd9Sstevel@tonic-gate static uint_t addr_size; /* SIZE16, SIZE32 or SIZE64 */ 14187c478bd9Sstevel@tonic-gate 14197c478bd9Sstevel@tonic-gate /* 14207c478bd9Sstevel@tonic-gate * Even in 64 bit mode, usually only 4 byte immediate operands are supported. 14217c478bd9Sstevel@tonic-gate */ 14227c478bd9Sstevel@tonic-gate static int isize[] = {1, 2, 4, 4}; 14237c478bd9Sstevel@tonic-gate static int isize64[] = {1, 2, 4, 8}; 14247c478bd9Sstevel@tonic-gate 14257c478bd9Sstevel@tonic-gate /* 14267c478bd9Sstevel@tonic-gate * Just a bunch of useful macros. 14277c478bd9Sstevel@tonic-gate */ 14287c478bd9Sstevel@tonic-gate #define WBIT(x) (x & 0x1) /* to get w bit */ 14297c478bd9Sstevel@tonic-gate #define REGNO(x) (x & 0x7) /* to get 3 bit register */ 14307c478bd9Sstevel@tonic-gate #define VBIT(x) ((x)>>1 & 0x1) /* to get 'v' bit */ 14317c478bd9Sstevel@tonic-gate #define OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1) 14327c478bd9Sstevel@tonic-gate #define OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1) 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate #define REG_ONLY 3 /* mode to indicate a register operand (not memory) */ 14357c478bd9Sstevel@tonic-gate 14367c478bd9Sstevel@tonic-gate #define BYTE_OPND 0 /* w-bit value indicating byte register */ 14377c478bd9Sstevel@tonic-gate #define LONG_OPND 1 /* w-bit value indicating opnd_size register */ 14387c478bd9Sstevel@tonic-gate #define MM_OPND 2 /* "value" used to indicate a mmx reg */ 14397c478bd9Sstevel@tonic-gate #define XMM_OPND 3 /* "value" used to indicate a xmm reg */ 14407c478bd9Sstevel@tonic-gate #define SEG_OPND 4 /* "value" used to indicate a segment reg */ 14417c478bd9Sstevel@tonic-gate #define CONTROL_OPND 5 /* "value" used to indicate a control reg */ 14427c478bd9Sstevel@tonic-gate #define DEBUG_OPND 6 /* "value" used to indicate a debug reg */ 14437c478bd9Sstevel@tonic-gate #define TEST_OPND 7 /* "value" used to indicate a test reg */ 14447c478bd9Sstevel@tonic-gate #define WORD_OPND 8 /* w-bit value indicating word size reg */ 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * Get the next byte and separate the op code into the high and low nibbles. 14487c478bd9Sstevel@tonic-gate */ 14497c478bd9Sstevel@tonic-gate static int 14507c478bd9Sstevel@tonic-gate dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low) 14517c478bd9Sstevel@tonic-gate { 14527c478bd9Sstevel@tonic-gate int byte; 14537c478bd9Sstevel@tonic-gate 14547c478bd9Sstevel@tonic-gate /* 14557c478bd9Sstevel@tonic-gate * x86 instructions have a maximum length of 15 bytes. Bail out if 14567c478bd9Sstevel@tonic-gate * we try to read more. 14577c478bd9Sstevel@tonic-gate */ 14587c478bd9Sstevel@tonic-gate if (x->d86_len >= 15) 14597c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate if (x->d86_error) 14627c478bd9Sstevel@tonic-gate return (1); 14637c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 14647c478bd9Sstevel@tonic-gate if (byte < 0) 14657c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 14667c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 14677c478bd9Sstevel@tonic-gate *low = byte & 0xf; /* ----xxxx low 4 bits */ 14687c478bd9Sstevel@tonic-gate *high = byte >> 4 & 0xf; /* xxxx---- bits 7 to 4 */ 14697c478bd9Sstevel@tonic-gate return (0); 14707c478bd9Sstevel@tonic-gate } 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate /* 14737c478bd9Sstevel@tonic-gate * Get and decode an SIB (scaled index base) byte 14747c478bd9Sstevel@tonic-gate */ 14757c478bd9Sstevel@tonic-gate static void 14767c478bd9Sstevel@tonic-gate dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base) 14777c478bd9Sstevel@tonic-gate { 14787c478bd9Sstevel@tonic-gate int byte; 14797c478bd9Sstevel@tonic-gate 14807c478bd9Sstevel@tonic-gate if (x->d86_error) 14817c478bd9Sstevel@tonic-gate return; 14827c478bd9Sstevel@tonic-gate 14837c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 14847c478bd9Sstevel@tonic-gate if (byte < 0) { 14857c478bd9Sstevel@tonic-gate x->d86_error = 1; 14867c478bd9Sstevel@tonic-gate return; 14877c478bd9Sstevel@tonic-gate } 14887c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 14897c478bd9Sstevel@tonic-gate 14907c478bd9Sstevel@tonic-gate *base = byte & 0x7; 14917c478bd9Sstevel@tonic-gate *index = (byte >> 3) & 0x7; 14927c478bd9Sstevel@tonic-gate *ss = (byte >> 6) & 0x3; 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate /* 14967c478bd9Sstevel@tonic-gate * Get the byte following the op code and separate it into the 14977c478bd9Sstevel@tonic-gate * mode, register, and r/m fields. 14987c478bd9Sstevel@tonic-gate */ 14997c478bd9Sstevel@tonic-gate static void 15007c478bd9Sstevel@tonic-gate dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m) 15017c478bd9Sstevel@tonic-gate { 15027c478bd9Sstevel@tonic-gate if (x->d86_got_modrm == 0) { 15037c478bd9Sstevel@tonic-gate if (x->d86_rmindex == -1) 15047c478bd9Sstevel@tonic-gate x->d86_rmindex = x->d86_len; 15057c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, mode, reg, r_m); 15067c478bd9Sstevel@tonic-gate x->d86_got_modrm = 1; 15077c478bd9Sstevel@tonic-gate } 15087c478bd9Sstevel@tonic-gate } 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate /* 15117c478bd9Sstevel@tonic-gate * Adjust register selection based on any REX prefix bits present. 15127c478bd9Sstevel@tonic-gate */ 15137c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 15147c478bd9Sstevel@tonic-gate static void 15157c478bd9Sstevel@tonic-gate dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m) 15167c478bd9Sstevel@tonic-gate { 15177c478bd9Sstevel@tonic-gate if (reg != NULL && r_m == NULL) { 15187c478bd9Sstevel@tonic-gate if (rex_prefix & REX_B) 15197c478bd9Sstevel@tonic-gate *reg += 8; 15207c478bd9Sstevel@tonic-gate } else { 15217c478bd9Sstevel@tonic-gate if (reg != NULL && (REX_R & rex_prefix) != 0) 15227c478bd9Sstevel@tonic-gate *reg += 8; 15237c478bd9Sstevel@tonic-gate if (r_m != NULL && (REX_B & rex_prefix) != 0) 15247c478bd9Sstevel@tonic-gate *r_m += 8; 15257c478bd9Sstevel@tonic-gate } 15267c478bd9Sstevel@tonic-gate } 15277c478bd9Sstevel@tonic-gate 15287c478bd9Sstevel@tonic-gate /* 15297c478bd9Sstevel@tonic-gate * Get an immediate operand of the given size, with sign extension. 15307c478bd9Sstevel@tonic-gate */ 15317c478bd9Sstevel@tonic-gate static void 15327c478bd9Sstevel@tonic-gate dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex) 15337c478bd9Sstevel@tonic-gate { 15347c478bd9Sstevel@tonic-gate int i; 15357c478bd9Sstevel@tonic-gate int byte; 15367c478bd9Sstevel@tonic-gate int valsize; 15377c478bd9Sstevel@tonic-gate 15387c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 15397c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate switch (wbit) { 15427c478bd9Sstevel@tonic-gate case BYTE_OPND: 15437c478bd9Sstevel@tonic-gate valsize = 1; 15447c478bd9Sstevel@tonic-gate break; 15457c478bd9Sstevel@tonic-gate case LONG_OPND: 15467c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 15477c478bd9Sstevel@tonic-gate valsize = 2; 15487c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 15497c478bd9Sstevel@tonic-gate valsize = 4; 15507c478bd9Sstevel@tonic-gate else 15517c478bd9Sstevel@tonic-gate valsize = 8; 15527c478bd9Sstevel@tonic-gate break; 15537c478bd9Sstevel@tonic-gate case MM_OPND: 15547c478bd9Sstevel@tonic-gate case XMM_OPND: 15557c478bd9Sstevel@tonic-gate case SEG_OPND: 15567c478bd9Sstevel@tonic-gate case CONTROL_OPND: 15577c478bd9Sstevel@tonic-gate case DEBUG_OPND: 15587c478bd9Sstevel@tonic-gate case TEST_OPND: 15597c478bd9Sstevel@tonic-gate valsize = size; 15607c478bd9Sstevel@tonic-gate break; 15617c478bd9Sstevel@tonic-gate case WORD_OPND: 15627c478bd9Sstevel@tonic-gate valsize = 2; 15637c478bd9Sstevel@tonic-gate break; 15647c478bd9Sstevel@tonic-gate } 15657c478bd9Sstevel@tonic-gate if (valsize < size) 15667c478bd9Sstevel@tonic-gate valsize = size; 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate if (x->d86_error) 15697c478bd9Sstevel@tonic-gate return; 15707c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value = 0; 15717c478bd9Sstevel@tonic-gate for (i = 0; i < size; ++i) { 15727c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 15737c478bd9Sstevel@tonic-gate if (byte < 0) { 15747c478bd9Sstevel@tonic-gate x->d86_error = 1; 15757c478bd9Sstevel@tonic-gate return; 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 15787c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8); 15797c478bd9Sstevel@tonic-gate } 15807c478bd9Sstevel@tonic-gate /* Do sign extension */ 15817c478bd9Sstevel@tonic-gate if (x->d86_bytes[x->d86_len - 1] & 0x80) { 1582d267098bSdmick for (; i < sizeof (uint64_t); i++) 15837c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= 1584d267098bSdmick (uint64_t)0xff << (i * 8); 15857c478bd9Sstevel@tonic-gate } 15867c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 15877c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 15887c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value_size = valsize; 15897c478bd9Sstevel@tonic-gate x->d86_imm_bytes += size; 15907c478bd9Sstevel@tonic-gate #endif 15917c478bd9Sstevel@tonic-gate } 15927c478bd9Sstevel@tonic-gate 15937c478bd9Sstevel@tonic-gate /* 15947c478bd9Sstevel@tonic-gate * Get an ip relative operand of the given size, with sign extension. 15957c478bd9Sstevel@tonic-gate */ 15967c478bd9Sstevel@tonic-gate static void 15977c478bd9Sstevel@tonic-gate dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex) 15987c478bd9Sstevel@tonic-gate { 15997c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, size, opindex); 16007c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 16017c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_IPREL; 16027c478bd9Sstevel@tonic-gate #endif 16037c478bd9Sstevel@tonic-gate } 16047c478bd9Sstevel@tonic-gate 16057c478bd9Sstevel@tonic-gate /* 16067c478bd9Sstevel@tonic-gate * Check to see if there is a segment override prefix pending. 16077c478bd9Sstevel@tonic-gate * If so, print it in the current 'operand' location and set 16087c478bd9Sstevel@tonic-gate * the override flag back to false. 16097c478bd9Sstevel@tonic-gate */ 16107c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 16117c478bd9Sstevel@tonic-gate static void 16127c478bd9Sstevel@tonic-gate dtrace_check_override(dis86_t *x, int opindex) 16137c478bd9Sstevel@tonic-gate { 16147c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 16157c478bd9Sstevel@tonic-gate if (x->d86_seg_prefix) { 1616dc0093f4Seschrock (void) strlcat(x->d86_opnd[opindex].d86_prefix, 16177c478bd9Sstevel@tonic-gate x->d86_seg_prefix, PFIXLEN); 16187c478bd9Sstevel@tonic-gate } 16197c478bd9Sstevel@tonic-gate #endif 16207c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 16217c478bd9Sstevel@tonic-gate } 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate /* 16257c478bd9Sstevel@tonic-gate * Process a single instruction Register or Memory operand. 16267c478bd9Sstevel@tonic-gate * 16277c478bd9Sstevel@tonic-gate * mode = addressing mode from ModRM byte 16287c478bd9Sstevel@tonic-gate * r_m = r_m (or reg if mode == 3) field from ModRM byte 16297c478bd9Sstevel@tonic-gate * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use. 16307c478bd9Sstevel@tonic-gate * o = index of operand that we are processing (0, 1 or 2) 16317c478bd9Sstevel@tonic-gate * 16327c478bd9Sstevel@tonic-gate * the value of reg or r_m must have already been adjusted for any REX prefix. 16337c478bd9Sstevel@tonic-gate */ 16347c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 16357c478bd9Sstevel@tonic-gate static void 16367c478bd9Sstevel@tonic-gate dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex) 16377c478bd9Sstevel@tonic-gate { 16387c478bd9Sstevel@tonic-gate int have_SIB = 0; /* flag presence of scale-index-byte */ 16397c478bd9Sstevel@tonic-gate uint_t ss; /* scale-factor from opcode */ 16407c478bd9Sstevel@tonic-gate uint_t index; /* index register number */ 16417c478bd9Sstevel@tonic-gate uint_t base; /* base register number */ 16427c478bd9Sstevel@tonic-gate int dispsize; /* size of displacement in bytes */ 16437c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 16447c478bd9Sstevel@tonic-gate char *opnd = x->d86_opnd[opindex].d86_opnd; 16457c478bd9Sstevel@tonic-gate #endif 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 16487c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 16497c478bd9Sstevel@tonic-gate 16507c478bd9Sstevel@tonic-gate if (x->d86_error) 16517c478bd9Sstevel@tonic-gate return; 16527c478bd9Sstevel@tonic-gate 16537c478bd9Sstevel@tonic-gate /* 16547c478bd9Sstevel@tonic-gate * first handle a simple register 16557c478bd9Sstevel@tonic-gate */ 16567c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 16577c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 16587c478bd9Sstevel@tonic-gate switch (wbit) { 16597c478bd9Sstevel@tonic-gate case MM_OPND: 1660dc0093f4Seschrock (void) strlcat(opnd, dis_MMREG[r_m], OPLEN); 16617c478bd9Sstevel@tonic-gate break; 16627c478bd9Sstevel@tonic-gate case XMM_OPND: 1663dc0093f4Seschrock (void) strlcat(opnd, dis_XMMREG[r_m], OPLEN); 16647c478bd9Sstevel@tonic-gate break; 16657c478bd9Sstevel@tonic-gate case SEG_OPND: 1666dc0093f4Seschrock (void) strlcat(opnd, dis_SEGREG[r_m], OPLEN); 16677c478bd9Sstevel@tonic-gate break; 16687c478bd9Sstevel@tonic-gate case CONTROL_OPND: 1669dc0093f4Seschrock (void) strlcat(opnd, dis_CONTROLREG[r_m], OPLEN); 16707c478bd9Sstevel@tonic-gate break; 16717c478bd9Sstevel@tonic-gate case DEBUG_OPND: 1672dc0093f4Seschrock (void) strlcat(opnd, dis_DEBUGREG[r_m], OPLEN); 16737c478bd9Sstevel@tonic-gate break; 16747c478bd9Sstevel@tonic-gate case TEST_OPND: 1675dc0093f4Seschrock (void) strlcat(opnd, dis_TESTREG[r_m], OPLEN); 16767c478bd9Sstevel@tonic-gate break; 16777c478bd9Sstevel@tonic-gate case BYTE_OPND: 16787c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix == 0) 1679dc0093f4Seschrock (void) strlcat(opnd, dis_REG8[r_m], OPLEN); 16807c478bd9Sstevel@tonic-gate else 1681dc0093f4Seschrock (void) strlcat(opnd, dis_REG8_REX[r_m], OPLEN); 16827c478bd9Sstevel@tonic-gate break; 16837c478bd9Sstevel@tonic-gate case WORD_OPND: 1684dc0093f4Seschrock (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 16857c478bd9Sstevel@tonic-gate break; 16867c478bd9Sstevel@tonic-gate case LONG_OPND: 16877c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 1688dc0093f4Seschrock (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 16897c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 1690dc0093f4Seschrock (void) strlcat(opnd, dis_REG32[r_m], OPLEN); 16917c478bd9Sstevel@tonic-gate else 1692dc0093f4Seschrock (void) strlcat(opnd, dis_REG64[r_m], OPLEN); 16937c478bd9Sstevel@tonic-gate break; 16947c478bd9Sstevel@tonic-gate } 16957c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 16967c478bd9Sstevel@tonic-gate return; 16977c478bd9Sstevel@tonic-gate } 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate /* 17007c478bd9Sstevel@tonic-gate * if symbolic representation, skip override prefix, if any 17017c478bd9Sstevel@tonic-gate */ 17027c478bd9Sstevel@tonic-gate dtrace_check_override(x, opindex); 17037c478bd9Sstevel@tonic-gate 17047c478bd9Sstevel@tonic-gate /* 17057c478bd9Sstevel@tonic-gate * Handle 16 bit memory references first, since they decode 17067c478bd9Sstevel@tonic-gate * the mode values more simply. 17077c478bd9Sstevel@tonic-gate * mode 1 is r_m + 8 bit displacement 17087c478bd9Sstevel@tonic-gate * mode 2 is r_m + 16 bit displacement 17097c478bd9Sstevel@tonic-gate * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp 17107c478bd9Sstevel@tonic-gate */ 17117c478bd9Sstevel@tonic-gate if (x->d86_addr_size == SIZE16) { 17127c478bd9Sstevel@tonic-gate if ((mode == 0 && r_m == 6) || mode == 2) 17137c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, WORD_OPND, 2, opindex); 17147c478bd9Sstevel@tonic-gate else if (mode == 1) 17157c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, opindex); 17167c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 17177c478bd9Sstevel@tonic-gate if (mode == 0 && r_m == 6) 17187c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 17197c478bd9Sstevel@tonic-gate else if (mode == 0) 17207c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_NONE; 17217c478bd9Sstevel@tonic-gate else 17227c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 1723dc0093f4Seschrock (void) strlcat(opnd, dis_addr16[mode][r_m], OPLEN); 17247c478bd9Sstevel@tonic-gate #endif 17257c478bd9Sstevel@tonic-gate return; 17267c478bd9Sstevel@tonic-gate } 17277c478bd9Sstevel@tonic-gate 17287c478bd9Sstevel@tonic-gate /* 17297c478bd9Sstevel@tonic-gate * 32 and 64 bit addressing modes are more complex since they 17307c478bd9Sstevel@tonic-gate * can involve an SIB (scaled index and base) byte to decode. 17317c478bd9Sstevel@tonic-gate */ 17327c478bd9Sstevel@tonic-gate if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) { 17337c478bd9Sstevel@tonic-gate have_SIB = 1; 17347c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, &ss, &index, &base); 17357c478bd9Sstevel@tonic-gate if (x->d86_error) 17367c478bd9Sstevel@tonic-gate return; 17377c478bd9Sstevel@tonic-gate if (base != 5 || mode != 0) 17387c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_B) 17397c478bd9Sstevel@tonic-gate base += 8; 17407c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_X) 17417c478bd9Sstevel@tonic-gate index += 8; 17427c478bd9Sstevel@tonic-gate } else { 17437c478bd9Sstevel@tonic-gate base = r_m; 17447c478bd9Sstevel@tonic-gate } 17457c478bd9Sstevel@tonic-gate 17467c478bd9Sstevel@tonic-gate /* 17477c478bd9Sstevel@tonic-gate * Compute the displacement size and get its bytes 17487c478bd9Sstevel@tonic-gate */ 17497c478bd9Sstevel@tonic-gate dispsize = 0; 17507c478bd9Sstevel@tonic-gate 17517c478bd9Sstevel@tonic-gate if (mode == 1) 17527c478bd9Sstevel@tonic-gate dispsize = 1; 17537c478bd9Sstevel@tonic-gate else if (mode == 2) 17547c478bd9Sstevel@tonic-gate dispsize = 4; 17557c478bd9Sstevel@tonic-gate else if ((r_m & 7) == EBP_REGNO || 17567c478bd9Sstevel@tonic-gate (have_SIB && (base & 7) == EBP_REGNO)) 17577c478bd9Sstevel@tonic-gate dispsize = 4; 17587c478bd9Sstevel@tonic-gate 17597c478bd9Sstevel@tonic-gate if (dispsize > 0) { 17607c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND, 17617c478bd9Sstevel@tonic-gate dispsize, opindex); 17627c478bd9Sstevel@tonic-gate if (x->d86_error) 17637c478bd9Sstevel@tonic-gate return; 17647c478bd9Sstevel@tonic-gate } 17657c478bd9Sstevel@tonic-gate 17667c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 17677c478bd9Sstevel@tonic-gate if (dispsize > 0) 17687c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 17697c478bd9Sstevel@tonic-gate 17707c478bd9Sstevel@tonic-gate if (have_SIB == 0) { 17717c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) { 17727c478bd9Sstevel@tonic-gate if (mode == 0) 1773dc0093f4Seschrock (void) strlcat(opnd, dis_addr32_mode0[r_m], 17747c478bd9Sstevel@tonic-gate OPLEN); 17757c478bd9Sstevel@tonic-gate else 1776dc0093f4Seschrock (void) strlcat(opnd, dis_addr32_mode12[r_m], 17777c478bd9Sstevel@tonic-gate OPLEN); 17787c478bd9Sstevel@tonic-gate } else { 1779d267098bSdmick if (mode == 0) { 1780dc0093f4Seschrock (void) strlcat(opnd, dis_addr64_mode0[r_m], 17817c478bd9Sstevel@tonic-gate OPLEN); 1782d267098bSdmick if (r_m == 5) { 1783d267098bSdmick x->d86_opnd[opindex].d86_mode = 1784d267098bSdmick MODE_RIPREL; 1785d267098bSdmick } 1786d267098bSdmick } else { 1787dc0093f4Seschrock (void) strlcat(opnd, dis_addr64_mode12[r_m], 17887c478bd9Sstevel@tonic-gate OPLEN); 1789d267098bSdmick } 17907c478bd9Sstevel@tonic-gate } 17917c478bd9Sstevel@tonic-gate } else { 17927c478bd9Sstevel@tonic-gate uint_t need_paren = 0; 17937c478bd9Sstevel@tonic-gate char **regs; 17947c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */ 17957c478bd9Sstevel@tonic-gate regs = (char **)dis_REG32; 17967c478bd9Sstevel@tonic-gate else 17977c478bd9Sstevel@tonic-gate regs = (char **)dis_REG64; 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate /* 18007c478bd9Sstevel@tonic-gate * print the base (if any) 18017c478bd9Sstevel@tonic-gate */ 18027c478bd9Sstevel@tonic-gate if (base == EBP_REGNO && mode == 0) { 18037c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1804dc0093f4Seschrock (void) strlcat(opnd, "(", OPLEN); 18057c478bd9Sstevel@tonic-gate need_paren = 1; 18067c478bd9Sstevel@tonic-gate } 18077c478bd9Sstevel@tonic-gate } else { 1808dc0093f4Seschrock (void) strlcat(opnd, "(", OPLEN); 1809dc0093f4Seschrock (void) strlcat(opnd, regs[base], OPLEN); 18107c478bd9Sstevel@tonic-gate need_paren = 1; 18117c478bd9Sstevel@tonic-gate } 18127c478bd9Sstevel@tonic-gate 18137c478bd9Sstevel@tonic-gate /* 18147c478bd9Sstevel@tonic-gate * print the index (if any) 18157c478bd9Sstevel@tonic-gate */ 18167c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1817dc0093f4Seschrock (void) strlcat(opnd, ",", OPLEN); 1818dc0093f4Seschrock (void) strlcat(opnd, regs[index], OPLEN); 1819dc0093f4Seschrock (void) strlcat(opnd, dis_scale_factor[ss], OPLEN); 18207c478bd9Sstevel@tonic-gate } else 18217c478bd9Sstevel@tonic-gate if (need_paren) 1822dc0093f4Seschrock (void) strlcat(opnd, ")", OPLEN); 18237c478bd9Sstevel@tonic-gate } 18247c478bd9Sstevel@tonic-gate #endif 18257c478bd9Sstevel@tonic-gate } 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate /* 18287c478bd9Sstevel@tonic-gate * Operand sequence for standard instruction involving one register 18297c478bd9Sstevel@tonic-gate * and one register/memory operand. 18307c478bd9Sstevel@tonic-gate * wbit indicates a byte(0) or opnd_size(1) operation 18317c478bd9Sstevel@tonic-gate * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r") 18327c478bd9Sstevel@tonic-gate */ 18337c478bd9Sstevel@tonic-gate #define STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit) { \ 18347c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 18357c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 18367c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 18377c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit); \ 18387c478bd9Sstevel@tonic-gate } 18397c478bd9Sstevel@tonic-gate 18407c478bd9Sstevel@tonic-gate /* 18417c478bd9Sstevel@tonic-gate * Similar to above, but allows for the two operands to be of different 18427c478bd9Sstevel@tonic-gate * classes (ie. wbit). 18437c478bd9Sstevel@tonic-gate * wbit is for the r_m operand 18447c478bd9Sstevel@tonic-gate * w2 is for the reg operand 18457c478bd9Sstevel@tonic-gate */ 18467c478bd9Sstevel@tonic-gate #define MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit) { \ 18477c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 18487c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 18497c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 18507c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit); \ 18517c478bd9Sstevel@tonic-gate } 18527c478bd9Sstevel@tonic-gate 18537c478bd9Sstevel@tonic-gate /* 18547c478bd9Sstevel@tonic-gate * Similar, but for 2 operands plus an immediate. 18557c478bd9Sstevel@tonic-gate */ 18567c478bd9Sstevel@tonic-gate #define THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \ 18577c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 18587c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 18597c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); \ 18607c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 2); \ 18617c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, immsize, 0); \ 18627c478bd9Sstevel@tonic-gate } 18637c478bd9Sstevel@tonic-gate 1864f8801251Skk /* 1865f8801251Skk * Similar, but for 2 operands plus two immediates. 1866f8801251Skk */ 1867f8801251Skk #define FOUROPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \ 1868f8801251Skk dtrace_get_modrm(x, &mode, ®, &r_m); \ 1869f8801251Skk dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 1870f8801251Skk dtrace_get_operand(x, mode, r_m, wbit, 2); \ 1871f8801251Skk dtrace_get_operand(x, REG_ONLY, reg, w2, 3); \ 1872f8801251Skk dtrace_imm_opnd(x, wbit, immsize, 1); \ 1873f8801251Skk dtrace_imm_opnd(x, wbit, immsize, 0); \ 1874f8801251Skk } 1875f8801251Skk 1876f8801251Skk /* 1877f8801251Skk * 1 operands plus two immediates. 1878f8801251Skk */ 1879f8801251Skk #define ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, wbit, immsize) { \ 1880f8801251Skk dtrace_get_modrm(x, &mode, ®, &r_m); \ 1881f8801251Skk dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 1882f8801251Skk dtrace_get_operand(x, mode, r_m, wbit, 2); \ 1883f8801251Skk dtrace_imm_opnd(x, wbit, immsize, 1); \ 1884f8801251Skk dtrace_imm_opnd(x, wbit, immsize, 0); \ 1885f8801251Skk } 1886f8801251Skk 18877c478bd9Sstevel@tonic-gate /* 18887c478bd9Sstevel@tonic-gate * Dissassemble a single x86 or amd64 instruction. 18897c478bd9Sstevel@tonic-gate * 18907c478bd9Sstevel@tonic-gate * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64) 18917c478bd9Sstevel@tonic-gate * for interpreting instructions. 18927c478bd9Sstevel@tonic-gate * 18937c478bd9Sstevel@tonic-gate * returns non-zero for bad opcode 18947c478bd9Sstevel@tonic-gate */ 18957c478bd9Sstevel@tonic-gate int 18967c478bd9Sstevel@tonic-gate dtrace_disx86(dis86_t *x, uint_t cpu_mode) 18977c478bd9Sstevel@tonic-gate { 18987c478bd9Sstevel@tonic-gate instable_t *dp; /* decode table being used */ 18997c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 19007c478bd9Sstevel@tonic-gate uint_t i; 19017c478bd9Sstevel@tonic-gate #endif 19027c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 19037c478bd9Sstevel@tonic-gate uint_t nomem = 0; 19047c478bd9Sstevel@tonic-gate #define NOMEM (nomem = 1) 19057c478bd9Sstevel@tonic-gate #else 19067c478bd9Sstevel@tonic-gate #define NOMEM /* nothing */ 19077c478bd9Sstevel@tonic-gate #endif 19087c478bd9Sstevel@tonic-gate uint_t wbit; /* opcode wbit, 0 is 8 bit, !0 for opnd_size */ 19097c478bd9Sstevel@tonic-gate uint_t w2; /* wbit value for second operand */ 19107c478bd9Sstevel@tonic-gate uint_t vbit; 19117c478bd9Sstevel@tonic-gate uint_t mode = 0; /* mode value from ModRM byte */ 19127c478bd9Sstevel@tonic-gate uint_t reg; /* reg value from ModRM byte */ 19137c478bd9Sstevel@tonic-gate uint_t r_m; /* r_m value from ModRM byte */ 19147c478bd9Sstevel@tonic-gate 19157c478bd9Sstevel@tonic-gate uint_t opcode1; /* high nibble of 1st byte */ 19167c478bd9Sstevel@tonic-gate uint_t opcode2; /* low nibble of 1st byte */ 19177c478bd9Sstevel@tonic-gate uint_t opcode3; /* extra opcode bits usually from ModRM byte */ 19187c478bd9Sstevel@tonic-gate uint_t opcode4; /* high nibble of 2nd byte */ 1919d267098bSdmick uint_t opcode5; /* low nibble of 2nd byte */ 19207c478bd9Sstevel@tonic-gate uint_t opcode6; /* high nibble of 3rd byte */ 19217c478bd9Sstevel@tonic-gate uint_t opcode7; /* low nibble of 3rd byte */ 19227c478bd9Sstevel@tonic-gate uint_t opcode_bytes = 1; 19237c478bd9Sstevel@tonic-gate 19247c478bd9Sstevel@tonic-gate /* 19257c478bd9Sstevel@tonic-gate * legacy prefixes come in 5 flavors, you should have only one of each 19267c478bd9Sstevel@tonic-gate */ 19277c478bd9Sstevel@tonic-gate uint_t opnd_size_prefix = 0; 19287c478bd9Sstevel@tonic-gate uint_t addr_size_prefix = 0; 19297c478bd9Sstevel@tonic-gate uint_t segment_prefix = 0; 19307c478bd9Sstevel@tonic-gate uint_t lock_prefix = 0; 19317c478bd9Sstevel@tonic-gate uint_t rep_prefix = 0; 19327c478bd9Sstevel@tonic-gate uint_t rex_prefix = 0; /* amd64 register extension prefix */ 19337c478bd9Sstevel@tonic-gate size_t off; 19347c478bd9Sstevel@tonic-gate 1935*d0f8ff6eSkk instable_t dp_mmx; 1936*d0f8ff6eSkk 19377c478bd9Sstevel@tonic-gate x->d86_len = 0; 19387c478bd9Sstevel@tonic-gate x->d86_rmindex = -1; 19397c478bd9Sstevel@tonic-gate x->d86_error = 0; 19407c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 19417c478bd9Sstevel@tonic-gate x->d86_numopnds = 0; 19427c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 1943d267098bSdmick x->d86_mnem[0] = 0; 1944f8801251Skk for (i = 0; i < 4; ++i) { 19457c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_opnd[0] = 0; 19467c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_prefix[0] = 0; 19477c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value_size = 0; 19487c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value = 0; 19497c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_mode = MODE_NONE; 19507c478bd9Sstevel@tonic-gate } 19517c478bd9Sstevel@tonic-gate #endif 19527c478bd9Sstevel@tonic-gate x->d86_error = 0; 19537c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 19547c478bd9Sstevel@tonic-gate 19557c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE16) { 19567c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 19577c478bd9Sstevel@tonic-gate addr_size = SIZE16; 19587c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 19597c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 19607c478bd9Sstevel@tonic-gate addr_size = SIZE32; 19617c478bd9Sstevel@tonic-gate } else { 19627c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 19637c478bd9Sstevel@tonic-gate addr_size = SIZE64; 19647c478bd9Sstevel@tonic-gate } 19657c478bd9Sstevel@tonic-gate 19667c478bd9Sstevel@tonic-gate /* 19677c478bd9Sstevel@tonic-gate * Get one opcode byte and check for zero padding that follows 19687c478bd9Sstevel@tonic-gate * jump tables. 19697c478bd9Sstevel@tonic-gate */ 19707c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 19717c478bd9Sstevel@tonic-gate goto error; 19727c478bd9Sstevel@tonic-gate 19737c478bd9Sstevel@tonic-gate if (opcode1 == 0 && opcode2 == 0 && 1974dc0093f4Seschrock x->d86_check_func != NULL && x->d86_check_func(x->d86_data)) { 19757c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1976d267098bSdmick (void) strncpy(x->d86_mnem, ".byte\t0", OPLEN); 19777c478bd9Sstevel@tonic-gate #endif 19787c478bd9Sstevel@tonic-gate goto done; 19797c478bd9Sstevel@tonic-gate } 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate /* 19827c478bd9Sstevel@tonic-gate * Gather up legacy x86 prefix bytes. 19837c478bd9Sstevel@tonic-gate */ 19847c478bd9Sstevel@tonic-gate for (;;) { 19857c478bd9Sstevel@tonic-gate uint_t *which_prefix = NULL; 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 19887c478bd9Sstevel@tonic-gate 19897c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 19907c478bd9Sstevel@tonic-gate case PREFIX: 19917c478bd9Sstevel@tonic-gate which_prefix = &rep_prefix; 19927c478bd9Sstevel@tonic-gate break; 19937c478bd9Sstevel@tonic-gate case LOCK: 19947c478bd9Sstevel@tonic-gate which_prefix = &lock_prefix; 19957c478bd9Sstevel@tonic-gate break; 19967c478bd9Sstevel@tonic-gate case OVERRIDE: 19977c478bd9Sstevel@tonic-gate which_prefix = &segment_prefix; 19987c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 19997c478bd9Sstevel@tonic-gate x->d86_seg_prefix = (char *)dp->it_name; 20007c478bd9Sstevel@tonic-gate #endif 20017c478bd9Sstevel@tonic-gate if (dp->it_invalid64 && cpu_mode == SIZE64) 20027c478bd9Sstevel@tonic-gate goto error; 20037c478bd9Sstevel@tonic-gate break; 20047c478bd9Sstevel@tonic-gate case AM: 20057c478bd9Sstevel@tonic-gate which_prefix = &addr_size_prefix; 20067c478bd9Sstevel@tonic-gate break; 20077c478bd9Sstevel@tonic-gate case DM: 20087c478bd9Sstevel@tonic-gate which_prefix = &opnd_size_prefix; 20097c478bd9Sstevel@tonic-gate break; 20107c478bd9Sstevel@tonic-gate } 20117c478bd9Sstevel@tonic-gate if (which_prefix == NULL) 20127c478bd9Sstevel@tonic-gate break; 20137c478bd9Sstevel@tonic-gate *which_prefix = (opcode1 << 4) | opcode2; 20147c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 20157c478bd9Sstevel@tonic-gate goto error; 20167c478bd9Sstevel@tonic-gate } 20177c478bd9Sstevel@tonic-gate 20187c478bd9Sstevel@tonic-gate /* 20197c478bd9Sstevel@tonic-gate * Handle amd64 mode PREFIX values. 20207c478bd9Sstevel@tonic-gate * Some of the segment prefixes are no-ops. (only FS/GS actually work) 20217c478bd9Sstevel@tonic-gate * We might have a REX prefix (opcodes 0x40-0x4f) 20227c478bd9Sstevel@tonic-gate */ 20237c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 20247c478bd9Sstevel@tonic-gate if (segment_prefix != 0x64 && segment_prefix != 0x65) 20257c478bd9Sstevel@tonic-gate segment_prefix = 0; 20267c478bd9Sstevel@tonic-gate 20277c478bd9Sstevel@tonic-gate if (opcode1 == 0x4) { 20287c478bd9Sstevel@tonic-gate rex_prefix = (opcode1 << 4) | opcode2; 20297c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 20307c478bd9Sstevel@tonic-gate goto error; 20317c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 20327c478bd9Sstevel@tonic-gate } 20337c478bd9Sstevel@tonic-gate } 20347c478bd9Sstevel@tonic-gate 20357c478bd9Sstevel@tonic-gate /* 20367c478bd9Sstevel@tonic-gate * Deal with selection of operand and address size now. 20377c478bd9Sstevel@tonic-gate * Note that the REX.W bit being set causes opnd_size_prefix to be 20387c478bd9Sstevel@tonic-gate * ignored. 20397c478bd9Sstevel@tonic-gate */ 20407c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 2041d267098bSdmick if (rex_prefix & REX_W) 20427c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 20437c478bd9Sstevel@tonic-gate else if (opnd_size_prefix) 20447c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate if (addr_size_prefix) 20477c478bd9Sstevel@tonic-gate addr_size = SIZE32; 20487c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 20497c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 20507c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 20517c478bd9Sstevel@tonic-gate if (addr_size_prefix) 20527c478bd9Sstevel@tonic-gate addr_size = SIZE16; 20537c478bd9Sstevel@tonic-gate } else { 20547c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 20557c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 20567c478bd9Sstevel@tonic-gate if (addr_size_prefix) 20577c478bd9Sstevel@tonic-gate addr_size = SIZE32; 20587c478bd9Sstevel@tonic-gate } 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate /* 20617c478bd9Sstevel@tonic-gate * The pause instruction - a repz'd nop. This doesn't fit 20627c478bd9Sstevel@tonic-gate * with any of the other prefix goop added for SSE, so we'll 20637c478bd9Sstevel@tonic-gate * special-case it here. 20647c478bd9Sstevel@tonic-gate */ 20657c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) { 20667c478bd9Sstevel@tonic-gate rep_prefix = 0; 20677c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opPause; 20687c478bd9Sstevel@tonic-gate } 20697c478bd9Sstevel@tonic-gate 20707c478bd9Sstevel@tonic-gate /* 20717c478bd9Sstevel@tonic-gate * Some 386 instructions have 2 bytes of opcode before the mod_r/m 20727c478bd9Sstevel@tonic-gate * byte so we may need to perform a table indirection. 20737c478bd9Sstevel@tonic-gate */ 20747c478bd9Sstevel@tonic-gate if (dp->it_indirect == (instable_t *)dis_op0F) { 20757c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0) 20767c478bd9Sstevel@tonic-gate goto error; 20777c478bd9Sstevel@tonic-gate opcode_bytes = 2; 20787c478bd9Sstevel@tonic-gate if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) { 20797c478bd9Sstevel@tonic-gate uint_t subcode; 20807c478bd9Sstevel@tonic-gate 20817c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 20827c478bd9Sstevel@tonic-gate goto error; 20837c478bd9Sstevel@tonic-gate opcode_bytes = 3; 20847c478bd9Sstevel@tonic-gate subcode = ((opcode6 & 0x3) << 1) | 20857c478bd9Sstevel@tonic-gate ((opcode7 & 0x8) >> 3); 20867c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F7123[opcode5][subcode]; 20877c478bd9Sstevel@tonic-gate } else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) { 20887c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0FC8[0]; 2089*d0f8ff6eSkk } else if ((opcode4 == 0x3) && (opcode5 == 0xA)) { 2090*d0f8ff6eSkk if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 2091*d0f8ff6eSkk goto error; 2092*d0f8ff6eSkk if (opnd_size == SIZE16) 2093*d0f8ff6eSkk opnd_size = SIZE32; 2094*d0f8ff6eSkk 2095*d0f8ff6eSkk dp = (instable_t *)&dis_op0F3A[(opcode6<<4)|opcode7]; 2096*d0f8ff6eSkk #ifdef DIS_TEXT 2097*d0f8ff6eSkk if (strcmp(dp->it_name, "INVALID") == 0) 2098*d0f8ff6eSkk goto error; 2099*d0f8ff6eSkk #endif 2100*d0f8ff6eSkk switch (dp->it_adrmode) { 2101*d0f8ff6eSkk case XMMP_66r: 2102*d0f8ff6eSkk case XMMPRM_66r: 2103*d0f8ff6eSkk case XMM3PM_66r: 2104*d0f8ff6eSkk if (opnd_size_prefix == 0) { 2105*d0f8ff6eSkk goto error; 2106*d0f8ff6eSkk } 2107*d0f8ff6eSkk break; 2108*d0f8ff6eSkk case XMMP_66o: 2109*d0f8ff6eSkk if (opnd_size_prefix == 0) { 2110*d0f8ff6eSkk /* SSSE3 MMX instructions */ 2111*d0f8ff6eSkk dp_mmx = *dp; 2112*d0f8ff6eSkk dp = &dp_mmx; 2113*d0f8ff6eSkk dp->it_adrmode = MMOPM_66o; 2114*d0f8ff6eSkk #ifdef DIS_MEM 2115*d0f8ff6eSkk dp->it_size = 8; 2116*d0f8ff6eSkk #endif 2117*d0f8ff6eSkk } 2118*d0f8ff6eSkk break; 2119*d0f8ff6eSkk default: 2120*d0f8ff6eSkk goto error; 2121*d0f8ff6eSkk } 2122*d0f8ff6eSkk } else if ((opcode4 == 0x3) && (opcode5 == 0x8)) { 2123*d0f8ff6eSkk if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 2124*d0f8ff6eSkk goto error; 2125*d0f8ff6eSkk dp = (instable_t *)&dis_op0F38[(opcode6<<4)|opcode7]; 2126*d0f8ff6eSkk #ifdef DIS_TEXT 2127*d0f8ff6eSkk if (strcmp(dp->it_name, "INVALID") == 0) 2128*d0f8ff6eSkk goto error; 2129*d0f8ff6eSkk #endif 2130*d0f8ff6eSkk switch (dp->it_adrmode) { 2131*d0f8ff6eSkk case XMM_66r: 2132*d0f8ff6eSkk case XMMM_66r: 2133*d0f8ff6eSkk if (opnd_size_prefix == 0) { 2134*d0f8ff6eSkk goto error; 2135*d0f8ff6eSkk } 2136*d0f8ff6eSkk break; 2137*d0f8ff6eSkk case XMM_66o: 2138*d0f8ff6eSkk if (opnd_size_prefix == 0) { 2139*d0f8ff6eSkk /* SSSE3 MMX instructions */ 2140*d0f8ff6eSkk dp_mmx = *dp; 2141*d0f8ff6eSkk dp = &dp_mmx; 2142*d0f8ff6eSkk dp->it_adrmode = MM; 2143*d0f8ff6eSkk #ifdef DIS_MEM 2144*d0f8ff6eSkk dp->it_size = 8; 2145*d0f8ff6eSkk #endif 2146*d0f8ff6eSkk } 2147*d0f8ff6eSkk break; 2148*d0f8ff6eSkk case CRC32: 2149*d0f8ff6eSkk if (rep_prefix != 0xF2) { 2150*d0f8ff6eSkk goto error; 2151*d0f8ff6eSkk } 2152*d0f8ff6eSkk rep_prefix = 0; 2153*d0f8ff6eSkk break; 2154*d0f8ff6eSkk default: 2155*d0f8ff6eSkk goto error; 2156*d0f8ff6eSkk } 21577c478bd9Sstevel@tonic-gate } else { 21587c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F[opcode4][opcode5]; 21597c478bd9Sstevel@tonic-gate } 21607c478bd9Sstevel@tonic-gate } 21617c478bd9Sstevel@tonic-gate 21627c478bd9Sstevel@tonic-gate /* 21637c478bd9Sstevel@tonic-gate * If still not at a TERM decode entry, then a ModRM byte 21647c478bd9Sstevel@tonic-gate * exists and its fields further decode the instruction. 21657c478bd9Sstevel@tonic-gate */ 21667c478bd9Sstevel@tonic-gate x->d86_got_modrm = 0; 21677c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) { 21687c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, &opcode3, &r_m); 21697c478bd9Sstevel@tonic-gate if (x->d86_error) 21707c478bd9Sstevel@tonic-gate goto error; 21717c478bd9Sstevel@tonic-gate reg = opcode3; 21727c478bd9Sstevel@tonic-gate 21737c478bd9Sstevel@tonic-gate /* 21747c478bd9Sstevel@tonic-gate * decode 287 instructions (D8-DF) from opcodeN 21757c478bd9Sstevel@tonic-gate */ 21767c478bd9Sstevel@tonic-gate if (opcode1 == 0xD && opcode2 >= 0x8) { 21777c478bd9Sstevel@tonic-gate if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4) 21787c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP5[r_m]; 21797c478bd9Sstevel@tonic-gate else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4) 21807c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP7[opcode3]; 21817c478bd9Sstevel@tonic-gate else if (opcode2 == 0xB && mode == 0x3) 21827c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP6[opcode3]; 21837c478bd9Sstevel@tonic-gate else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4) 21847c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m]; 21857c478bd9Sstevel@tonic-gate else if (mode == 0x3) 21867c478bd9Sstevel@tonic-gate dp = (instable_t *) 21877c478bd9Sstevel@tonic-gate &dis_opFP3[opcode2 - 8][opcode3]; 21887c478bd9Sstevel@tonic-gate else 21897c478bd9Sstevel@tonic-gate dp = (instable_t *) 21907c478bd9Sstevel@tonic-gate &dis_opFP1n2[opcode2 - 8][opcode3]; 21917c478bd9Sstevel@tonic-gate } else { 21927c478bd9Sstevel@tonic-gate dp = (instable_t *)dp->it_indirect + opcode3; 21937c478bd9Sstevel@tonic-gate } 21947c478bd9Sstevel@tonic-gate } 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate /* 21977c478bd9Sstevel@tonic-gate * In amd64 bit mode, ARPL opcode is changed to MOVSXD 21987c478bd9Sstevel@tonic-gate * (sign extend 32bit to 64 bit) 21997c478bd9Sstevel@tonic-gate */ 22007c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && opcode1 == 0x6 && opcode2 == 0x3) 22017c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opMOVSLD; 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate /* 22047c478bd9Sstevel@tonic-gate * at this point we should have a correct (or invalid) opcode 22057c478bd9Sstevel@tonic-gate */ 22067c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && dp->it_invalid64 || 22077c478bd9Sstevel@tonic-gate cpu_mode != SIZE64 && dp->it_invalid32) 22087c478bd9Sstevel@tonic-gate goto error; 22097c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) 22107c478bd9Sstevel@tonic-gate goto error; 22117c478bd9Sstevel@tonic-gate 22127c478bd9Sstevel@tonic-gate /* 22137c478bd9Sstevel@tonic-gate * deal with MMX/SSE opcodes which are changed by prefixes 22147c478bd9Sstevel@tonic-gate */ 22157c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 22167c478bd9Sstevel@tonic-gate case MMO: 22177c478bd9Sstevel@tonic-gate case MMOIMPL: 22187c478bd9Sstevel@tonic-gate case MMO3P: 22197c478bd9Sstevel@tonic-gate case MMOM3: 22207c478bd9Sstevel@tonic-gate case MMOMS: 22217c478bd9Sstevel@tonic-gate case MMOPM: 22227c478bd9Sstevel@tonic-gate case MMOPRM: 22237c478bd9Sstevel@tonic-gate case MMOS: 22247c478bd9Sstevel@tonic-gate case XMMO: 22257c478bd9Sstevel@tonic-gate case XMMOM: 22267c478bd9Sstevel@tonic-gate case XMMOMS: 22277c478bd9Sstevel@tonic-gate case XMMOPM: 22287c478bd9Sstevel@tonic-gate case XMMOS: 22297c478bd9Sstevel@tonic-gate case XMMOMX: 22307c478bd9Sstevel@tonic-gate case XMMOX3: 22317c478bd9Sstevel@tonic-gate case XMMOXMM: 22327c478bd9Sstevel@tonic-gate /* 22337c478bd9Sstevel@tonic-gate * This is horrible. Some SIMD instructions take the 22347c478bd9Sstevel@tonic-gate * form 0x0F 0x?? ..., which is easily decoded using the 22357c478bd9Sstevel@tonic-gate * existing tables. Other SIMD instructions use various 22367c478bd9Sstevel@tonic-gate * prefix bytes to overload existing instructions. For 22377c478bd9Sstevel@tonic-gate * Example, addps is F0, 58, whereas addss is F3 (repz), 22387c478bd9Sstevel@tonic-gate * F0, 58. Presumably someone got a raise for this. 22397c478bd9Sstevel@tonic-gate * 22407c478bd9Sstevel@tonic-gate * If we see one of the instructions which can be 22417c478bd9Sstevel@tonic-gate * modified in this way (if we've got one of the SIMDO* 22427c478bd9Sstevel@tonic-gate * address modes), we'll check to see if the last prefix 22437c478bd9Sstevel@tonic-gate * was a repz. If it was, we strip the prefix from the 22447c478bd9Sstevel@tonic-gate * mnemonic, and we indirect using the dis_opSIMDrepz 22457c478bd9Sstevel@tonic-gate * table. 22467c478bd9Sstevel@tonic-gate */ 22477c478bd9Sstevel@tonic-gate 22487c478bd9Sstevel@tonic-gate /* 22497c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F 22507c478bd9Sstevel@tonic-gate */ 22517c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F)) 22527c478bd9Sstevel@tonic-gate goto error; 22537c478bd9Sstevel@tonic-gate 22547c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 22557c478bd9Sstevel@tonic-gate sizeof (instable_t); 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate /* 22587c478bd9Sstevel@tonic-gate * Rewrite if this instruction used one of the magic prefixes. 22597c478bd9Sstevel@tonic-gate */ 22607c478bd9Sstevel@tonic-gate if (rep_prefix) { 22617c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 22627c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepnz[off]; 22637c478bd9Sstevel@tonic-gate else 22647c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepz[off]; 22657c478bd9Sstevel@tonic-gate rep_prefix = 0; 22667c478bd9Sstevel@tonic-gate } else if (opnd_size_prefix) { 22677c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDdata16[off]; 22687c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 22697c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 22707c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 22717c478bd9Sstevel@tonic-gate } 22727c478bd9Sstevel@tonic-gate break; 22737c478bd9Sstevel@tonic-gate 22747c478bd9Sstevel@tonic-gate case MMOSH: 22757c478bd9Sstevel@tonic-gate /* 22767c478bd9Sstevel@tonic-gate * As with the "normal" SIMD instructions, the MMX 22777c478bd9Sstevel@tonic-gate * shuffle instructions are overloaded. These 22787c478bd9Sstevel@tonic-gate * instructions, however, are special in that they use 22797c478bd9Sstevel@tonic-gate * an extra byte, and thus an extra table. As of this 22807c478bd9Sstevel@tonic-gate * writing, they only use the opnd_size prefix. 22817c478bd9Sstevel@tonic-gate */ 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate /* 22847c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F7123 22857c478bd9Sstevel@tonic-gate */ 22867c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 > 22877c478bd9Sstevel@tonic-gate sizeof (dis_op0F7123)) 22887c478bd9Sstevel@tonic-gate goto error; 22897c478bd9Sstevel@tonic-gate 22907c478bd9Sstevel@tonic-gate if (opnd_size_prefix) { 22917c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) / 22927c478bd9Sstevel@tonic-gate sizeof (instable_t); 22937c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMD7123[off]; 22947c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 22957c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 22967c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 22977c478bd9Sstevel@tonic-gate } 22987c478bd9Sstevel@tonic-gate break; 2299f8801251Skk case MRw: 2300f8801251Skk if (rep_prefix) { 2301f8801251Skk if (rep_prefix == 0xf3) { 2302f8801251Skk 2303f8801251Skk /* 2304f8801251Skk * Calculate our offset in dis_op0F 2305f8801251Skk */ 2306f8801251Skk if ((uintptr_t)dp - (uintptr_t)dis_op0F 2307f8801251Skk > sizeof (dis_op0F)) 2308f8801251Skk goto error; 2309f8801251Skk 2310f8801251Skk off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 2311f8801251Skk sizeof (instable_t); 2312f8801251Skk 2313f8801251Skk dp = (instable_t *)&dis_opSIMDrepz[off]; 2314f8801251Skk rep_prefix = 0; 2315f8801251Skk } else { 2316f8801251Skk goto error; 2317f8801251Skk } 2318f8801251Skk } 2319f8801251Skk break; 23207c478bd9Sstevel@tonic-gate } 23217c478bd9Sstevel@tonic-gate 23227c478bd9Sstevel@tonic-gate /* 23237c478bd9Sstevel@tonic-gate * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64. 23247c478bd9Sstevel@tonic-gate */ 23257c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) 23267c478bd9Sstevel@tonic-gate if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop)) 23277c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 23287c478bd9Sstevel@tonic-gate 23297c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 23307c478bd9Sstevel@tonic-gate /* 23317c478bd9Sstevel@tonic-gate * At this point most instructions can format the opcode mnemonic 23327c478bd9Sstevel@tonic-gate * including the prefixes. 23337c478bd9Sstevel@tonic-gate */ 23347c478bd9Sstevel@tonic-gate if (lock_prefix) 2335d267098bSdmick (void) strlcat(x->d86_mnem, "lock ", OPLEN); 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 2338d267098bSdmick (void) strlcat(x->d86_mnem, "repnz ", OPLEN); 23397c478bd9Sstevel@tonic-gate else if (rep_prefix == 0xf3) 2340d267098bSdmick (void) strlcat(x->d86_mnem, "repz ", OPLEN); 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && addr_size_prefix) 2343d267098bSdmick (void) strlcat(x->d86_mnem, "addr32 ", OPLEN); 23447c478bd9Sstevel@tonic-gate 23457c478bd9Sstevel@tonic-gate if (dp->it_adrmode != CBW && 23467c478bd9Sstevel@tonic-gate dp->it_adrmode != CWD && 23477c478bd9Sstevel@tonic-gate dp->it_adrmode != XMMSFNC) { 23487c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "INVALID") == 0) 23497c478bd9Sstevel@tonic-gate goto error; 2350d267098bSdmick (void) strlcat(x->d86_mnem, dp->it_name, OPLEN); 23517c478bd9Sstevel@tonic-gate if (dp->it_suffix) { 23527c478bd9Sstevel@tonic-gate char *types[] = {"", "w", "l", "q"}; 23537c478bd9Sstevel@tonic-gate if (opcode_bytes == 2 && opcode4 == 4) { 23547c478bd9Sstevel@tonic-gate /* It's a cmovx.yy. Replace the suffix x */ 23557c478bd9Sstevel@tonic-gate for (i = 5; i < OPLEN; i++) { 2356d267098bSdmick if (x->d86_mnem[i] == '.') 23577c478bd9Sstevel@tonic-gate break; 23587c478bd9Sstevel@tonic-gate } 2359d267098bSdmick x->d86_mnem[i - 1] = *types[opnd_size]; 2360dc0093f4Seschrock } else { 2361d267098bSdmick (void) strlcat(x->d86_mnem, types[opnd_size], 2362dc0093f4Seschrock OPLEN); 2363dc0093f4Seschrock } 23647c478bd9Sstevel@tonic-gate } 23657c478bd9Sstevel@tonic-gate } 23667c478bd9Sstevel@tonic-gate #endif 23677c478bd9Sstevel@tonic-gate 23687c478bd9Sstevel@tonic-gate /* 23697c478bd9Sstevel@tonic-gate * Process operands based on the addressing modes. 23707c478bd9Sstevel@tonic-gate */ 23717c478bd9Sstevel@tonic-gate x->d86_mode = cpu_mode; 23727c478bd9Sstevel@tonic-gate x->d86_rex_prefix = rex_prefix; 23737c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size; 23747c478bd9Sstevel@tonic-gate x->d86_addr_size = addr_size; 23757c478bd9Sstevel@tonic-gate vbit = 0; /* initialize for mem/reg -> reg */ 23767c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 23777c478bd9Sstevel@tonic-gate /* 23787c478bd9Sstevel@tonic-gate * amd64 instruction to sign extend 32 bit reg/mem operands 23797c478bd9Sstevel@tonic-gate * into 64 bit register values 23807c478bd9Sstevel@tonic-gate */ 23817c478bd9Sstevel@tonic-gate case MOVSXZ: 23827c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 23837c478bd9Sstevel@tonic-gate if (rex_prefix == 0) 2384d267098bSdmick (void) strncpy(x->d86_mnem, "movzld", OPLEN); 23857c478bd9Sstevel@tonic-gate #endif 23867c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 23877c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 23887c478bd9Sstevel@tonic-gate x->d86_opnd_size = SIZE64; 23897c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 23907c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE32; 23917c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 23927c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 23937c478bd9Sstevel@tonic-gate break; 23947c478bd9Sstevel@tonic-gate 23957c478bd9Sstevel@tonic-gate /* 23967c478bd9Sstevel@tonic-gate * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF) 2397d267098bSdmick * movzbl movzbw movzbq (0x0FB6) or movzwl movzwq (0x0FB7) 23987c478bd9Sstevel@tonic-gate * wbit lives in 2nd byte, note that operands 23997c478bd9Sstevel@tonic-gate * are different sized 24007c478bd9Sstevel@tonic-gate */ 24017c478bd9Sstevel@tonic-gate case MOVZ: 24027c478bd9Sstevel@tonic-gate if (rex_prefix & REX_W) { 24037c478bd9Sstevel@tonic-gate /* target register size = 64 bit */ 2404d267098bSdmick x->d86_mnem[5] = 'q'; 24057c478bd9Sstevel@tonic-gate } 24067c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 24077c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 24087c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 24097c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE16; 24107c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 24117c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 24127c478bd9Sstevel@tonic-gate break; 2413*d0f8ff6eSkk case CRC32: 2414*d0f8ff6eSkk opnd_size = SIZE32; 2415*d0f8ff6eSkk if (rex_prefix & REX_W) 2416*d0f8ff6eSkk opnd_size = SIZE64; 2417*d0f8ff6eSkk x->d86_opnd_size = opnd_size; 2418*d0f8ff6eSkk 2419*d0f8ff6eSkk dtrace_get_modrm(x, &mode, ®, &r_m); 2420*d0f8ff6eSkk dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 2421*d0f8ff6eSkk dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 2422*d0f8ff6eSkk wbit = WBIT(opcode7); 2423*d0f8ff6eSkk if (opnd_size_prefix) 2424*d0f8ff6eSkk x->d86_opnd_size = opnd_size = SIZE16; 2425*d0f8ff6eSkk dtrace_get_operand(x, mode, r_m, wbit, 0); 2426*d0f8ff6eSkk break; 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate /* 24297c478bd9Sstevel@tonic-gate * imul instruction, with either 8-bit or longer immediate 24307c478bd9Sstevel@tonic-gate * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s) 24317c478bd9Sstevel@tonic-gate */ 24327c478bd9Sstevel@tonic-gate case IMUL: 24337c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24347c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 24357c478bd9Sstevel@tonic-gate OPSIZE(opnd_size, opcode2 == 0x9)); 24367c478bd9Sstevel@tonic-gate break; 24377c478bd9Sstevel@tonic-gate 24387c478bd9Sstevel@tonic-gate /* memory or register operand to register, with 'w' bit */ 24397c478bd9Sstevel@tonic-gate case MRw: 24407c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 24417c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 24427c478bd9Sstevel@tonic-gate break; 24437c478bd9Sstevel@tonic-gate 24447c478bd9Sstevel@tonic-gate /* register to memory or register operand, with 'w' bit */ 24457c478bd9Sstevel@tonic-gate /* arpl happens to fit here also because it is odd */ 24467c478bd9Sstevel@tonic-gate case RMw: 24477c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 24487c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 24497c478bd9Sstevel@tonic-gate else 24507c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 24517c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 24527c478bd9Sstevel@tonic-gate break; 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate /* xaddb instruction */ 24557c478bd9Sstevel@tonic-gate case XADDB: 24567c478bd9Sstevel@tonic-gate wbit = 0; 24577c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 24587c478bd9Sstevel@tonic-gate break; 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* MMX register to memory or register operand */ 24617c478bd9Sstevel@tonic-gate case MMS: 24627c478bd9Sstevel@tonic-gate case MMOS: 24637c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 24647c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 24657c478bd9Sstevel@tonic-gate #else 24667c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24677c478bd9Sstevel@tonic-gate #endif 24687c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 24697c478bd9Sstevel@tonic-gate break; 24707c478bd9Sstevel@tonic-gate 24717c478bd9Sstevel@tonic-gate /* MMX register to memory */ 24727c478bd9Sstevel@tonic-gate case MMOMS: 24737c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 24747c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) 24757c478bd9Sstevel@tonic-gate goto error; 24767c478bd9Sstevel@tonic-gate wbit = MM_OPND; 24777c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 24787c478bd9Sstevel@tonic-gate break; 24797c478bd9Sstevel@tonic-gate 24807c478bd9Sstevel@tonic-gate /* Double shift. Has immediate operand specifying the shift. */ 24817c478bd9Sstevel@tonic-gate case DSHIFT: 24827c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24837c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 24847c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 24857c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 2); 24867c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 24877c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 24887c478bd9Sstevel@tonic-gate break; 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate /* 24917c478bd9Sstevel@tonic-gate * Double shift. With no immediate operand, specifies using %cl. 24927c478bd9Sstevel@tonic-gate */ 24937c478bd9Sstevel@tonic-gate case DSHIFTcl: 24947c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24957c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 24967c478bd9Sstevel@tonic-gate break; 24977c478bd9Sstevel@tonic-gate 24987c478bd9Sstevel@tonic-gate /* immediate to memory or register operand */ 24997c478bd9Sstevel@tonic-gate case IMlw: 25007c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 25017c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 25027c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 25037c478bd9Sstevel@tonic-gate /* 25047c478bd9Sstevel@tonic-gate * Have long immediate for opcode 0x81, but not 0x80 nor 0x83 25057c478bd9Sstevel@tonic-gate */ 25067c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0); 25077c478bd9Sstevel@tonic-gate break; 25087c478bd9Sstevel@tonic-gate 25097c478bd9Sstevel@tonic-gate /* immediate to memory or register operand with the */ 25107c478bd9Sstevel@tonic-gate /* 'w' bit present */ 25117c478bd9Sstevel@tonic-gate case IMw: 25127c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 25137c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 25147c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 25157c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 25167c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 25177c478bd9Sstevel@tonic-gate break; 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate /* immediate to register with register in low 3 bits */ 25207c478bd9Sstevel@tonic-gate /* of op code */ 25217c478bd9Sstevel@tonic-gate case IR: 25227c478bd9Sstevel@tonic-gate /* w-bit here (with regs) is bit 3 */ 25237c478bd9Sstevel@tonic-gate wbit = opcode2 >>3 & 0x1; 25247c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 25257c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 25267c478bd9Sstevel@tonic-gate mode = REG_ONLY; 25277c478bd9Sstevel@tonic-gate r_m = reg; 25287c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 25297c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0); 25307c478bd9Sstevel@tonic-gate break; 25317c478bd9Sstevel@tonic-gate 25327c478bd9Sstevel@tonic-gate /* MMX immediate shift of register */ 25337c478bd9Sstevel@tonic-gate case MMSH: 25347c478bd9Sstevel@tonic-gate case MMOSH: 25357c478bd9Sstevel@tonic-gate wbit = MM_OPND; 25367c478bd9Sstevel@tonic-gate goto mm_shift; /* in next case */ 25377c478bd9Sstevel@tonic-gate 25387c478bd9Sstevel@tonic-gate /* SIMD immediate shift of register */ 25397c478bd9Sstevel@tonic-gate case XMMSH: 25407c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 25417c478bd9Sstevel@tonic-gate mm_shift: 25427c478bd9Sstevel@tonic-gate reg = REGNO(opcode7); 25437c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 25447c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 25457c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 25467c478bd9Sstevel@tonic-gate NOMEM; 25477c478bd9Sstevel@tonic-gate break; 25487c478bd9Sstevel@tonic-gate 25497c478bd9Sstevel@tonic-gate /* accumulator to memory operand */ 25507c478bd9Sstevel@tonic-gate case AO: 25517c478bd9Sstevel@tonic-gate vbit = 1; 25527c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 25537c478bd9Sstevel@tonic-gate 25547c478bd9Sstevel@tonic-gate /* memory operand to accumulator */ 25557c478bd9Sstevel@tonic-gate case OA: 25567c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 25577c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit); 25587c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit); 25597c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 25607c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_mode = MODE_OFFSET; 25617c478bd9Sstevel@tonic-gate #endif 25627c478bd9Sstevel@tonic-gate break; 25637c478bd9Sstevel@tonic-gate 25647c478bd9Sstevel@tonic-gate 25657c478bd9Sstevel@tonic-gate /* segment register to memory or register operand */ 25667c478bd9Sstevel@tonic-gate case SM: 25677c478bd9Sstevel@tonic-gate vbit = 1; 25687c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 25697c478bd9Sstevel@tonic-gate 25707c478bd9Sstevel@tonic-gate /* memory or register operand to segment register */ 25717c478bd9Sstevel@tonic-gate case MS: 25727c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 25737c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 25747c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit); 25757c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit); 25767c478bd9Sstevel@tonic-gate break; 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate /* 25797c478bd9Sstevel@tonic-gate * rotate or shift instructions, which may shift by 1 or 25807c478bd9Sstevel@tonic-gate * consult the cl register, depending on the 'v' bit 25817c478bd9Sstevel@tonic-gate */ 25827c478bd9Sstevel@tonic-gate case Mv: 25837c478bd9Sstevel@tonic-gate vbit = VBIT(opcode2); 25847c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 25857c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 25867c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 25877c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 25887c478bd9Sstevel@tonic-gate if (vbit) { 2589dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN); 25907c478bd9Sstevel@tonic-gate } else { 25917c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 25927c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 25937c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 1; 25947c478bd9Sstevel@tonic-gate } 25957c478bd9Sstevel@tonic-gate #endif 25967c478bd9Sstevel@tonic-gate break; 25977c478bd9Sstevel@tonic-gate /* 25987c478bd9Sstevel@tonic-gate * immediate rotate or shift instructions 25997c478bd9Sstevel@tonic-gate */ 26007c478bd9Sstevel@tonic-gate case MvI: 26017c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 26027c478bd9Sstevel@tonic-gate normal_imm_mem: 26037c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 26047c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 26057c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 26067c478bd9Sstevel@tonic-gate break; 26077c478bd9Sstevel@tonic-gate 26087c478bd9Sstevel@tonic-gate /* bit test instructions */ 26097c478bd9Sstevel@tonic-gate case MIb: 26107c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 26117c478bd9Sstevel@tonic-gate goto normal_imm_mem; 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate /* single memory or register operand with 'w' bit present */ 26147c478bd9Sstevel@tonic-gate case Mw: 26157c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 26167c478bd9Sstevel@tonic-gate just_mem: 26177c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 26187c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 26197c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 26207c478bd9Sstevel@tonic-gate break; 26217c478bd9Sstevel@tonic-gate 26227c478bd9Sstevel@tonic-gate case SWAPGS: 26237c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) { 26247c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2625d267098bSdmick (void) strncpy(x->d86_mnem, "swapgs", OPLEN); 26267c478bd9Sstevel@tonic-gate #endif 26277c478bd9Sstevel@tonic-gate NOMEM; 26287c478bd9Sstevel@tonic-gate break; 26297c478bd9Sstevel@tonic-gate } 26307c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26317c478bd9Sstevel@tonic-gate 26327c478bd9Sstevel@tonic-gate /* prefetch instruction - memory operand, but no memory acess */ 26337c478bd9Sstevel@tonic-gate case PREF: 26347c478bd9Sstevel@tonic-gate NOMEM; 26357c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26367c478bd9Sstevel@tonic-gate 26377c478bd9Sstevel@tonic-gate /* single memory or register operand */ 26387c478bd9Sstevel@tonic-gate case M: 26397c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 26407c478bd9Sstevel@tonic-gate goto just_mem; 26417c478bd9Sstevel@tonic-gate 26427c478bd9Sstevel@tonic-gate /* single memory or register byte operand */ 26437c478bd9Sstevel@tonic-gate case Mb: 26447c478bd9Sstevel@tonic-gate wbit = BYTE_OPND; 26457c478bd9Sstevel@tonic-gate goto just_mem; 26467c478bd9Sstevel@tonic-gate 2647f8801251Skk case MONITOR_MWAIT: 2648f8801251Skk if (mode == 3) { 2649f8801251Skk if (r_m == 0) { 2650f8801251Skk #ifdef DIS_TEXT 2651f8801251Skk (void) strncpy(x->d86_mnem, "monitor", OPLEN); 2652f8801251Skk #endif 2653f8801251Skk NOMEM; 2654f8801251Skk break; 2655f8801251Skk } else if (r_m == 1) { 2656f8801251Skk #ifdef DIS_TEXT 2657f8801251Skk (void) strncpy(x->d86_mnem, "mwait", OPLEN); 2658f8801251Skk #endif 2659f8801251Skk NOMEM; 2660f8801251Skk break; 2661f8801251Skk } else { 2662f8801251Skk goto error; 2663f8801251Skk } 2664f8801251Skk } 2665f8801251Skk /*FALLTHROUGH*/ 2666f8801251Skk 26677c478bd9Sstevel@tonic-gate case MO: 26687c478bd9Sstevel@tonic-gate /* Similar to M, but only memory (no direct registers) */ 26697c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 26707c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 26717c478bd9Sstevel@tonic-gate if (mode == 3) 26727c478bd9Sstevel@tonic-gate goto error; 26737c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 26747c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 26757c478bd9Sstevel@tonic-gate break; 26767c478bd9Sstevel@tonic-gate 26777c478bd9Sstevel@tonic-gate /* move special register to register or reverse if vbit */ 26787c478bd9Sstevel@tonic-gate case SREG: 26797c478bd9Sstevel@tonic-gate switch (opcode5) { 26807c478bd9Sstevel@tonic-gate 26817c478bd9Sstevel@tonic-gate case 2: 26827c478bd9Sstevel@tonic-gate vbit = 1; 26837c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26847c478bd9Sstevel@tonic-gate case 0: 26857c478bd9Sstevel@tonic-gate wbit = CONTROL_OPND; 26867c478bd9Sstevel@tonic-gate break; 26877c478bd9Sstevel@tonic-gate 26887c478bd9Sstevel@tonic-gate case 3: 26897c478bd9Sstevel@tonic-gate vbit = 1; 26907c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26917c478bd9Sstevel@tonic-gate case 1: 26927c478bd9Sstevel@tonic-gate wbit = DEBUG_OPND; 26937c478bd9Sstevel@tonic-gate break; 26947c478bd9Sstevel@tonic-gate 26957c478bd9Sstevel@tonic-gate case 6: 26967c478bd9Sstevel@tonic-gate vbit = 1; 26977c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26987c478bd9Sstevel@tonic-gate case 4: 26997c478bd9Sstevel@tonic-gate wbit = TEST_OPND; 27007c478bd9Sstevel@tonic-gate break; 27017c478bd9Sstevel@tonic-gate 27027c478bd9Sstevel@tonic-gate } 27037c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 27047c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 27057c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit); 27067c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit); 27077c478bd9Sstevel@tonic-gate NOMEM; 27087c478bd9Sstevel@tonic-gate break; 27097c478bd9Sstevel@tonic-gate 27107c478bd9Sstevel@tonic-gate /* 27117c478bd9Sstevel@tonic-gate * single register operand with register in the low 3 27127c478bd9Sstevel@tonic-gate * bits of op code 27137c478bd9Sstevel@tonic-gate */ 27147c478bd9Sstevel@tonic-gate case R: 27157c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 27167c478bd9Sstevel@tonic-gate reg = REGNO(opcode5); 27177c478bd9Sstevel@tonic-gate else 27187c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 27197c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 27207c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 27217c478bd9Sstevel@tonic-gate NOMEM; 27227c478bd9Sstevel@tonic-gate break; 27237c478bd9Sstevel@tonic-gate 27247c478bd9Sstevel@tonic-gate /* 27257c478bd9Sstevel@tonic-gate * register to accumulator with register in the low 3 27267c478bd9Sstevel@tonic-gate * bits of op code, xchg instructions 27277c478bd9Sstevel@tonic-gate */ 27287c478bd9Sstevel@tonic-gate case RA: 27297c478bd9Sstevel@tonic-gate NOMEM; 27307c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 27317c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 27327c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 27337c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1); 27347c478bd9Sstevel@tonic-gate break; 27357c478bd9Sstevel@tonic-gate 27367c478bd9Sstevel@tonic-gate /* 27377c478bd9Sstevel@tonic-gate * single segment register operand, with register in 27387c478bd9Sstevel@tonic-gate * bits 3-4 of op code byte 27397c478bd9Sstevel@tonic-gate */ 27407c478bd9Sstevel@tonic-gate case SEG: 27417c478bd9Sstevel@tonic-gate NOMEM; 27427c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3; 27437c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 27447c478bd9Sstevel@tonic-gate break; 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate /* 27477c478bd9Sstevel@tonic-gate * single segment register operand, with register in 27487c478bd9Sstevel@tonic-gate * bits 3-5 of op code 27497c478bd9Sstevel@tonic-gate */ 27507c478bd9Sstevel@tonic-gate case LSEG: 27517c478bd9Sstevel@tonic-gate NOMEM; 27527c478bd9Sstevel@tonic-gate /* long seg reg from opcode */ 27537c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7; 27547c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 27557c478bd9Sstevel@tonic-gate break; 27567c478bd9Sstevel@tonic-gate 27577c478bd9Sstevel@tonic-gate /* memory or register operand to register */ 27587c478bd9Sstevel@tonic-gate case MR: 27597c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27607c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 27617c478bd9Sstevel@tonic-gate break; 27627c478bd9Sstevel@tonic-gate 27637c478bd9Sstevel@tonic-gate case RM: 27647c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27657c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 27667c478bd9Sstevel@tonic-gate break; 27677c478bd9Sstevel@tonic-gate 27687c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int memory or mm reg to mm reg */ 27697c478bd9Sstevel@tonic-gate case MM: 27707c478bd9Sstevel@tonic-gate case MMO: 27717c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 27727c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 27737c478bd9Sstevel@tonic-gate #else 27747c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27757c478bd9Sstevel@tonic-gate #endif 27767c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 27777c478bd9Sstevel@tonic-gate break; 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate case MMOIMPL: 27807c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 27817c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 27827c478bd9Sstevel@tonic-gate #else 27837c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27847c478bd9Sstevel@tonic-gate #endif 27857c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 27867c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 27877c478bd9Sstevel@tonic-gate goto error; 27887c478bd9Sstevel@tonic-gate 27897c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 27907c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 27917c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1); 27927c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 27937c478bd9Sstevel@tonic-gate break; 27947c478bd9Sstevel@tonic-gate 27957c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */ 27967c478bd9Sstevel@tonic-gate case MMO3P: 27977c478bd9Sstevel@tonic-gate wbit = MM_OPND; 27987c478bd9Sstevel@tonic-gate goto xmm3p; 27997c478bd9Sstevel@tonic-gate case XMM3P: 28007c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 28017c478bd9Sstevel@tonic-gate xmm3p: 28027c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 28037c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 28047c478bd9Sstevel@tonic-gate goto error; 28057c478bd9Sstevel@tonic-gate 28067c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1); 28077c478bd9Sstevel@tonic-gate NOMEM; 28087c478bd9Sstevel@tonic-gate break; 28097c478bd9Sstevel@tonic-gate 2810*d0f8ff6eSkk case XMM3PM_66r: 2811*d0f8ff6eSkk wbit = XMM_OPND; 2812*d0f8ff6eSkk dtrace_get_modrm(x, &mode, ®, &r_m); 2813*d0f8ff6eSkk THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1); 2814*d0f8ff6eSkk break; 2815*d0f8ff6eSkk 28167c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated r32/mem to mm reg */ 28177c478bd9Sstevel@tonic-gate case MMOPRM: 28187c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 28197c478bd9Sstevel@tonic-gate w2 = MM_OPND; 28207c478bd9Sstevel@tonic-gate goto xmmprm; 28217c478bd9Sstevel@tonic-gate case XMMPRM: 2822*d0f8ff6eSkk case XMMPRM_66r: 28237c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 28247c478bd9Sstevel@tonic-gate w2 = XMM_OPND; 28257c478bd9Sstevel@tonic-gate xmmprm: 28267c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1); 28277c478bd9Sstevel@tonic-gate break; 28287c478bd9Sstevel@tonic-gate 28297c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated mm/mem to mm reg */ 28307c478bd9Sstevel@tonic-gate case MMOPM: 2831*d0f8ff6eSkk case MMOPM_66o: 28327c478bd9Sstevel@tonic-gate wbit = w2 = MM_OPND; 28337c478bd9Sstevel@tonic-gate goto xmmprm; 28347c478bd9Sstevel@tonic-gate 28357c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int mm reg to r32 */ 28367c478bd9Sstevel@tonic-gate case MMOM3: 28377c478bd9Sstevel@tonic-gate NOMEM; 28387c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 28397c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 28407c478bd9Sstevel@tonic-gate goto error; 28417c478bd9Sstevel@tonic-gate wbit = MM_OPND; 28427c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 28437c478bd9Sstevel@tonic-gate break; 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg operand to xmm reg */ 28467c478bd9Sstevel@tonic-gate case XMM: 2847*d0f8ff6eSkk case XMM_66o: 2848*d0f8ff6eSkk case XMM_66r: 28497c478bd9Sstevel@tonic-gate case XMMO: 28507c478bd9Sstevel@tonic-gate case XMMXIMPL: 28517c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 28527c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 28537c478bd9Sstevel@tonic-gate 28547c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY) 28557c478bd9Sstevel@tonic-gate goto error; 28567c478bd9Sstevel@tonic-gate 28577c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28587c478bd9Sstevel@tonic-gate /* 28597c478bd9Sstevel@tonic-gate * movlps and movhlps share opcodes. They differ in the 28607c478bd9Sstevel@tonic-gate * addressing modes allowed for their operands. 28617c478bd9Sstevel@tonic-gate * movhps and movlhps behave similarly. 28627c478bd9Sstevel@tonic-gate */ 28637c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 28647c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movlps") == 0) 2865d267098bSdmick (void) strncpy(x->d86_mnem, "movhlps", OPLEN); 28667c478bd9Sstevel@tonic-gate else if (strcmp(dp->it_name, "movhps") == 0) 2867d267098bSdmick (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 28687c478bd9Sstevel@tonic-gate } 28697c478bd9Sstevel@tonic-gate #endif 28707c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL) 28717c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 28727c478bd9Sstevel@tonic-gate break; 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate /* SIMD xmm reg to memory or xmm reg */ 28757c478bd9Sstevel@tonic-gate case XMMS: 28767c478bd9Sstevel@tonic-gate case XMMOS: 28777c478bd9Sstevel@tonic-gate case XMMMS: 28787c478bd9Sstevel@tonic-gate case XMMOMS: 28797c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 28807c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28817c478bd9Sstevel@tonic-gate if ((strcmp(dp->it_name, "movlps") == 0 || 28827c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movhps") == 0 || 28837c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movntps") == 0) && 28847c478bd9Sstevel@tonic-gate mode == REG_ONLY) 28857c478bd9Sstevel@tonic-gate goto error; 28867c478bd9Sstevel@tonic-gate #endif 28877c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 28887c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 28897c478bd9Sstevel@tonic-gate break; 28907c478bd9Sstevel@tonic-gate 28917c478bd9Sstevel@tonic-gate /* SIMD memory to xmm reg */ 28927c478bd9Sstevel@tonic-gate case XMMM: 2893*d0f8ff6eSkk case XMMM_66r: 28947c478bd9Sstevel@tonic-gate case XMMOM: 28957c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 28967c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 28977c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28987c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 28997c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movhps") == 0) 2900d267098bSdmick (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 29017c478bd9Sstevel@tonic-gate else 29027c478bd9Sstevel@tonic-gate goto error; 29037c478bd9Sstevel@tonic-gate } 29047c478bd9Sstevel@tonic-gate #endif 29057c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 29067c478bd9Sstevel@tonic-gate break; 29077c478bd9Sstevel@tonic-gate 29087c478bd9Sstevel@tonic-gate /* SIMD memory or r32 to xmm reg */ 29097c478bd9Sstevel@tonic-gate case XMM3MX: 29107c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 29117c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 29127c478bd9Sstevel@tonic-gate break; 29137c478bd9Sstevel@tonic-gate 29147c478bd9Sstevel@tonic-gate case XMM3MXS: 29157c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 29167c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 29177c478bd9Sstevel@tonic-gate break; 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate /* SIMD memory or mm reg to xmm reg */ 29207c478bd9Sstevel@tonic-gate case XMMOMX: 29217c478bd9Sstevel@tonic-gate /* SIMD mm to xmm */ 29227c478bd9Sstevel@tonic-gate case XMMMX: 29237c478bd9Sstevel@tonic-gate wbit = MM_OPND; 29247c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 29257c478bd9Sstevel@tonic-gate break; 29267c478bd9Sstevel@tonic-gate 29277c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to mm reg */ 29287c478bd9Sstevel@tonic-gate case XMMXMM: 29297c478bd9Sstevel@tonic-gate case XMMOXMM: 29307c478bd9Sstevel@tonic-gate case XMMXM: 29317c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 29327c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 29337c478bd9Sstevel@tonic-gate break; 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate 29367c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to r32 */ 29377c478bd9Sstevel@tonic-gate case XMMXM3: 29387c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 29397c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 29407c478bd9Sstevel@tonic-gate break; 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate /* SIMD xmm to r32 */ 29437c478bd9Sstevel@tonic-gate case XMMX3: 29447c478bd9Sstevel@tonic-gate case XMMOX3: 29457c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 29467c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 29477c478bd9Sstevel@tonic-gate goto error; 29487c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 29497c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, XMM_OPND, 0); 29507c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 29517c478bd9Sstevel@tonic-gate NOMEM; 29527c478bd9Sstevel@tonic-gate break; 29537c478bd9Sstevel@tonic-gate 29547c478bd9Sstevel@tonic-gate /* SIMD predicated memory or xmm reg with/to xmm reg */ 29557c478bd9Sstevel@tonic-gate case XMMP: 2956*d0f8ff6eSkk case XMMP_66r: 2957*d0f8ff6eSkk case XMMP_66o: 29587c478bd9Sstevel@tonic-gate case XMMOPM: 29597c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 29607c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 29617c478bd9Sstevel@tonic-gate 29627c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 29637c478bd9Sstevel@tonic-gate /* 29647c478bd9Sstevel@tonic-gate * cmpps and cmpss vary their instruction name based 29657c478bd9Sstevel@tonic-gate * on the value of imm8. Other XMMP instructions, 29667c478bd9Sstevel@tonic-gate * such as shufps, require explicit specification of 29677c478bd9Sstevel@tonic-gate * the predicate. 29687c478bd9Sstevel@tonic-gate */ 29697c478bd9Sstevel@tonic-gate if (dp->it_name[0] == 'c' && 29707c478bd9Sstevel@tonic-gate dp->it_name[1] == 'm' && 29717c478bd9Sstevel@tonic-gate dp->it_name[2] == 'p' && 29727c478bd9Sstevel@tonic-gate strlen(dp->it_name) == 5) { 29737c478bd9Sstevel@tonic-gate uchar_t pred = x->d86_opnd[0].d86_value & 0xff; 29747c478bd9Sstevel@tonic-gate 29757c478bd9Sstevel@tonic-gate if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *))) 29767c478bd9Sstevel@tonic-gate goto error; 29777c478bd9Sstevel@tonic-gate 2978d267098bSdmick (void) strncpy(x->d86_mnem, "cmp", OPLEN); 2979d267098bSdmick (void) strlcat(x->d86_mnem, dis_PREDSUFFIX[pred], 29807c478bd9Sstevel@tonic-gate OPLEN); 2981d267098bSdmick (void) strlcat(x->d86_mnem, 29827c478bd9Sstevel@tonic-gate dp->it_name + strlen(dp->it_name) - 2, 29837c478bd9Sstevel@tonic-gate OPLEN); 29847c478bd9Sstevel@tonic-gate x->d86_opnd[0] = x->d86_opnd[1]; 29857c478bd9Sstevel@tonic-gate x->d86_opnd[1] = x->d86_opnd[2]; 29867c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 29877c478bd9Sstevel@tonic-gate } 29887c478bd9Sstevel@tonic-gate #endif 29897c478bd9Sstevel@tonic-gate break; 29907c478bd9Sstevel@tonic-gate 2991f8801251Skk case XMMX2I: 2992f8801251Skk FOUROPERAND(x, mode, reg, r_m, rex_prefix, XMM_OPND, XMM_OPND, 2993f8801251Skk 1); 2994f8801251Skk NOMEM; 2995f8801251Skk break; 2996f8801251Skk 2997f8801251Skk case XMM2I: 2998f8801251Skk ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, XMM_OPND, 1); 2999f8801251Skk NOMEM; 3000f8801251Skk break; 3001f8801251Skk 30027c478bd9Sstevel@tonic-gate /* immediate operand to accumulator */ 30037c478bd9Sstevel@tonic-gate case IA: 30047c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 30057c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 30067c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 30077c478bd9Sstevel@tonic-gate NOMEM; 30087c478bd9Sstevel@tonic-gate break; 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate /* memory or register operand to accumulator */ 30117c478bd9Sstevel@tonic-gate case MA: 30127c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 30137c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 30147c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 30157c478bd9Sstevel@tonic-gate break; 30167c478bd9Sstevel@tonic-gate 30177c478bd9Sstevel@tonic-gate /* si register to di register used to reference memory */ 30187c478bd9Sstevel@tonic-gate case SD: 30197c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 30207c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 30217c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 30227c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) { 3023dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 30247c478bd9Sstevel@tonic-gate OPLEN); 3025dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 30267c478bd9Sstevel@tonic-gate OPLEN); 30277c478bd9Sstevel@tonic-gate } else if (addr_size == SIZE32) { 3028dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 30297c478bd9Sstevel@tonic-gate OPLEN); 3030dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 30317c478bd9Sstevel@tonic-gate OPLEN); 30327c478bd9Sstevel@tonic-gate } else { 3033dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 30347c478bd9Sstevel@tonic-gate OPLEN); 3035dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 30367c478bd9Sstevel@tonic-gate OPLEN); 30377c478bd9Sstevel@tonic-gate } 30387c478bd9Sstevel@tonic-gate #endif 30397c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 30407c478bd9Sstevel@tonic-gate break; 30417c478bd9Sstevel@tonic-gate 30427c478bd9Sstevel@tonic-gate /* accumulator to di register */ 30437c478bd9Sstevel@tonic-gate case AD: 30447c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 30457c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 30467c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 30477c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 30487c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0); 30497c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 3050dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 30517c478bd9Sstevel@tonic-gate OPLEN); 30527c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 3053dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 30547c478bd9Sstevel@tonic-gate OPLEN); 30557c478bd9Sstevel@tonic-gate else 3056dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 30577c478bd9Sstevel@tonic-gate OPLEN); 30587c478bd9Sstevel@tonic-gate #endif 30597c478bd9Sstevel@tonic-gate break; 30607c478bd9Sstevel@tonic-gate 30617c478bd9Sstevel@tonic-gate /* si register to accumulator */ 30627c478bd9Sstevel@tonic-gate case SA: 30637c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 30647c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 30657c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 30667c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 30677c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 3068dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 30697c478bd9Sstevel@tonic-gate OPLEN); 30707c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 3071dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 30727c478bd9Sstevel@tonic-gate OPLEN); 30737c478bd9Sstevel@tonic-gate else 3074dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 30757c478bd9Sstevel@tonic-gate OPLEN); 30767c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 30777c478bd9Sstevel@tonic-gate #endif 30787c478bd9Sstevel@tonic-gate break; 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate /* 30817c478bd9Sstevel@tonic-gate * single operand, a 16/32 bit displacement 30827c478bd9Sstevel@tonic-gate */ 30837c478bd9Sstevel@tonic-gate case D: 30847c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 30857c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 30867c478bd9Sstevel@tonic-gate NOMEM; 30877c478bd9Sstevel@tonic-gate break; 30887c478bd9Sstevel@tonic-gate 30897c478bd9Sstevel@tonic-gate /* jmp/call indirect to memory or register operand */ 30907c478bd9Sstevel@tonic-gate case INM: 30917c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3092dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN); 30937c478bd9Sstevel@tonic-gate #endif 30947c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 30957c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 30967c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 30977c478bd9Sstevel@tonic-gate break; 30987c478bd9Sstevel@tonic-gate 30997c478bd9Sstevel@tonic-gate /* 31007c478bd9Sstevel@tonic-gate * for long jumps and long calls -- a new code segment 31017c478bd9Sstevel@tonic-gate * register and an offset in IP -- stored in object 31027c478bd9Sstevel@tonic-gate * code in reverse order. Note - not valid in amd64 31037c478bd9Sstevel@tonic-gate */ 31047c478bd9Sstevel@tonic-gate case SO: 31057c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 31067c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 31077c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1); 31087c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 31097c478bd9Sstevel@tonic-gate x->d86_opnd[1].d86_mode = MODE_SIGNED; 31107c478bd9Sstevel@tonic-gate #endif 31117c478bd9Sstevel@tonic-gate /* will now get segment operand */ 31127c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 31137c478bd9Sstevel@tonic-gate break; 31147c478bd9Sstevel@tonic-gate 31157c478bd9Sstevel@tonic-gate /* 31167c478bd9Sstevel@tonic-gate * jmp/call. single operand, 8 bit displacement. 31177c478bd9Sstevel@tonic-gate * added to current EIP in 'compofff' 31187c478bd9Sstevel@tonic-gate */ 31197c478bd9Sstevel@tonic-gate case BD: 31207c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, BYTE_OPND, 1, 0); 31217c478bd9Sstevel@tonic-gate NOMEM; 31227c478bd9Sstevel@tonic-gate break; 31237c478bd9Sstevel@tonic-gate 31247c478bd9Sstevel@tonic-gate /* single 32/16 bit immediate operand */ 31257c478bd9Sstevel@tonic-gate case I: 31267c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 31277c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 31287c478bd9Sstevel@tonic-gate break; 31297c478bd9Sstevel@tonic-gate 31307c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 31317c478bd9Sstevel@tonic-gate case Ib: 31327c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 31337c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 31347c478bd9Sstevel@tonic-gate break; 31357c478bd9Sstevel@tonic-gate 31367c478bd9Sstevel@tonic-gate case ENTER: 31377c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 31387c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 31397c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 1); 31407c478bd9Sstevel@tonic-gate switch (opnd_size) { 31417c478bd9Sstevel@tonic-gate case SIZE64: 31427c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8; 31437c478bd9Sstevel@tonic-gate break; 31447c478bd9Sstevel@tonic-gate case SIZE32: 31457c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4; 31467c478bd9Sstevel@tonic-gate break; 31477c478bd9Sstevel@tonic-gate case SIZE16: 31487c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2; 31497c478bd9Sstevel@tonic-gate break; 31507c478bd9Sstevel@tonic-gate } 31517c478bd9Sstevel@tonic-gate 31527c478bd9Sstevel@tonic-gate break; 31537c478bd9Sstevel@tonic-gate 31547c478bd9Sstevel@tonic-gate /* 16-bit immediate operand */ 31557c478bd9Sstevel@tonic-gate case RET: 31567c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 31577c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 31587c478bd9Sstevel@tonic-gate break; 31597c478bd9Sstevel@tonic-gate 31607c478bd9Sstevel@tonic-gate /* single 8 bit port operand */ 31617c478bd9Sstevel@tonic-gate case P: 31627c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 31637c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 31647c478bd9Sstevel@tonic-gate NOMEM; 31657c478bd9Sstevel@tonic-gate break; 31667c478bd9Sstevel@tonic-gate 31677c478bd9Sstevel@tonic-gate /* single operand, dx register (variable port instruction) */ 31687c478bd9Sstevel@tonic-gate case V: 31697c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 31707c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 31717c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3172dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN); 31737c478bd9Sstevel@tonic-gate #endif 31747c478bd9Sstevel@tonic-gate NOMEM; 31757c478bd9Sstevel@tonic-gate break; 31767c478bd9Sstevel@tonic-gate 31777c478bd9Sstevel@tonic-gate /* 31787c478bd9Sstevel@tonic-gate * The int instruction, which has two forms: 31797c478bd9Sstevel@tonic-gate * int 3 (breakpoint) or 31807c478bd9Sstevel@tonic-gate * int n, where n is indicated in the subsequent 31817c478bd9Sstevel@tonic-gate * byte (format Ib). The int 3 instruction (opcode 0xCC), 31827c478bd9Sstevel@tonic-gate * where, although the 3 looks like an operand, 31837c478bd9Sstevel@tonic-gate * it is implied by the opcode. It must be converted 31847c478bd9Sstevel@tonic-gate * to the correct base and output. 31857c478bd9Sstevel@tonic-gate */ 31867c478bd9Sstevel@tonic-gate case INT3: 31877c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 31887c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 31897c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 31907c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 31917c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 3; 31927c478bd9Sstevel@tonic-gate #endif 31937c478bd9Sstevel@tonic-gate NOMEM; 31947c478bd9Sstevel@tonic-gate break; 31957c478bd9Sstevel@tonic-gate 31967c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 31977c478bd9Sstevel@tonic-gate case INTx: 31987c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 31997c478bd9Sstevel@tonic-gate NOMEM; 32007c478bd9Sstevel@tonic-gate break; 32017c478bd9Sstevel@tonic-gate 32027c478bd9Sstevel@tonic-gate /* an unused byte must be discarded */ 32037c478bd9Sstevel@tonic-gate case U: 32047c478bd9Sstevel@tonic-gate if (x->d86_get_byte(x->d86_data) < 0) 32057c478bd9Sstevel@tonic-gate goto error; 32067c478bd9Sstevel@tonic-gate x->d86_len++; 32077c478bd9Sstevel@tonic-gate NOMEM; 32087c478bd9Sstevel@tonic-gate break; 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate case CBW: 32117c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 32127c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 3213d267098bSdmick (void) strlcat(x->d86_mnem, "cbtw", OPLEN); 32147c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 3215d267098bSdmick (void) strlcat(x->d86_mnem, "cwtl", OPLEN); 32167c478bd9Sstevel@tonic-gate else 3217d267098bSdmick (void) strlcat(x->d86_mnem, "cltq", OPLEN); 32187c478bd9Sstevel@tonic-gate #endif 32197c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 32207c478bd9Sstevel@tonic-gate NOMEM; 32217c478bd9Sstevel@tonic-gate break; 32227c478bd9Sstevel@tonic-gate 32237c478bd9Sstevel@tonic-gate case CWD: 32247c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 32257c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 3226d267098bSdmick (void) strlcat(x->d86_mnem, "cwtd", OPLEN); 32277c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 3228d267098bSdmick (void) strlcat(x->d86_mnem, "cltd", OPLEN); 32297c478bd9Sstevel@tonic-gate else 3230d267098bSdmick (void) strlcat(x->d86_mnem, "cqtd", OPLEN); 32317c478bd9Sstevel@tonic-gate #endif 32327c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 32337c478bd9Sstevel@tonic-gate NOMEM; 32347c478bd9Sstevel@tonic-gate break; 32357c478bd9Sstevel@tonic-gate 32367c478bd9Sstevel@tonic-gate case XMMSFNC: 32377c478bd9Sstevel@tonic-gate /* 32387c478bd9Sstevel@tonic-gate * sfence is sfence if mode is REG_ONLY. If mode isn't 32397c478bd9Sstevel@tonic-gate * REG_ONLY, mnemonic should be 'clflush'. 32407c478bd9Sstevel@tonic-gate */ 32417c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 32427c478bd9Sstevel@tonic-gate 32437c478bd9Sstevel@tonic-gate /* sfence doesn't take operands */ 32447c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 32457c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 3246d267098bSdmick (void) strlcat(x->d86_mnem, "sfence", OPLEN); 32477c478bd9Sstevel@tonic-gate } else { 3248d267098bSdmick (void) strlcat(x->d86_mnem, "clflush", OPLEN); 32497c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 32507c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 32517c478bd9Sstevel@tonic-gate NOMEM; 32527c478bd9Sstevel@tonic-gate } 32537c478bd9Sstevel@tonic-gate #else 32547c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) { 32557c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 32567c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 32577c478bd9Sstevel@tonic-gate NOMEM; 32587c478bd9Sstevel@tonic-gate } 32597c478bd9Sstevel@tonic-gate #endif 32607c478bd9Sstevel@tonic-gate break; 32617c478bd9Sstevel@tonic-gate 32627c478bd9Sstevel@tonic-gate /* 32637c478bd9Sstevel@tonic-gate * no disassembly, the mnemonic was all there was so go on 32647c478bd9Sstevel@tonic-gate */ 32657c478bd9Sstevel@tonic-gate case NORM: 32667c478bd9Sstevel@tonic-gate if (dp->it_invalid32 && cpu_mode != SIZE64) 32677c478bd9Sstevel@tonic-gate goto error; 32687c478bd9Sstevel@tonic-gate NOMEM; 32697c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 32707c478bd9Sstevel@tonic-gate case IMPLMEM: 32717c478bd9Sstevel@tonic-gate break; 32727c478bd9Sstevel@tonic-gate 32737c478bd9Sstevel@tonic-gate case XMMFENCE: 32747c478bd9Sstevel@tonic-gate /* 32757c478bd9Sstevel@tonic-gate * Only the following exact byte sequences are allowed: 32767c478bd9Sstevel@tonic-gate * 32777c478bd9Sstevel@tonic-gate * 0f ae e8 lfence 32787c478bd9Sstevel@tonic-gate * 0f ae f0 mfence 32797c478bd9Sstevel@tonic-gate */ 32807c478bd9Sstevel@tonic-gate if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 && 32817c478bd9Sstevel@tonic-gate (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0) 32827c478bd9Sstevel@tonic-gate goto error; 32837c478bd9Sstevel@tonic-gate 32847c478bd9Sstevel@tonic-gate break; 32857c478bd9Sstevel@tonic-gate 32867c478bd9Sstevel@tonic-gate 32877c478bd9Sstevel@tonic-gate /* float reg */ 32887c478bd9Sstevel@tonic-gate case F: 32897c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 32907c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 3291dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN); 32927c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_opnd[4] = r_m + '0'; 32937c478bd9Sstevel@tonic-gate #endif 32947c478bd9Sstevel@tonic-gate NOMEM; 32957c478bd9Sstevel@tonic-gate break; 32967c478bd9Sstevel@tonic-gate 32977c478bd9Sstevel@tonic-gate /* float reg to float reg, with ret bit present */ 32987c478bd9Sstevel@tonic-gate case FF: 32997c478bd9Sstevel@tonic-gate vbit = opcode2 >> 2 & 0x1; /* vbit = 1: st -> st(i) */ 33007c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 33017c478bd9Sstevel@tonic-gate case FFC: /* case for vbit always = 0 */ 33027c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 33037c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 3304dc0093f4Seschrock (void) strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN); 3305dc0093f4Seschrock (void) strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN); 33067c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_opnd[4] = r_m + '0'; 33077c478bd9Sstevel@tonic-gate #endif 33087c478bd9Sstevel@tonic-gate NOMEM; 33097c478bd9Sstevel@tonic-gate break; 33107c478bd9Sstevel@tonic-gate 33117c478bd9Sstevel@tonic-gate /* an invalid op code */ 33127c478bd9Sstevel@tonic-gate case AM: 33137c478bd9Sstevel@tonic-gate case DM: 33147c478bd9Sstevel@tonic-gate case OVERRIDE: 33157c478bd9Sstevel@tonic-gate case PREFIX: 33167c478bd9Sstevel@tonic-gate case UNKNOWN: 33177c478bd9Sstevel@tonic-gate NOMEM; 33187c478bd9Sstevel@tonic-gate default: 33197c478bd9Sstevel@tonic-gate goto error; 33207c478bd9Sstevel@tonic-gate } /* end switch */ 33217c478bd9Sstevel@tonic-gate if (x->d86_error) 33227c478bd9Sstevel@tonic-gate goto error; 33237c478bd9Sstevel@tonic-gate 33247c478bd9Sstevel@tonic-gate done: 33257c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 33267c478bd9Sstevel@tonic-gate /* 33277c478bd9Sstevel@tonic-gate * compute the size of any memory accessed by the instruction 33287c478bd9Sstevel@tonic-gate */ 33297c478bd9Sstevel@tonic-gate if (x->d86_memsize != 0) { 33307c478bd9Sstevel@tonic-gate return (0); 33317c478bd9Sstevel@tonic-gate } else if (dp->it_stackop) { 33327c478bd9Sstevel@tonic-gate switch (opnd_size) { 33337c478bd9Sstevel@tonic-gate case SIZE16: 33347c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 33357c478bd9Sstevel@tonic-gate break; 33367c478bd9Sstevel@tonic-gate case SIZE32: 33377c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 33387c478bd9Sstevel@tonic-gate break; 33397c478bd9Sstevel@tonic-gate case SIZE64: 33407c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 33417c478bd9Sstevel@tonic-gate break; 33427c478bd9Sstevel@tonic-gate } 33437c478bd9Sstevel@tonic-gate } else if (nomem || mode == REG_ONLY) { 33447c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 33457c478bd9Sstevel@tonic-gate 33467c478bd9Sstevel@tonic-gate } else if (dp->it_size != 0) { 33477c478bd9Sstevel@tonic-gate /* 33487c478bd9Sstevel@tonic-gate * In 64 bit mode descriptor table entries 33497c478bd9Sstevel@tonic-gate * go up to 10 bytes and popf/pushf are always 8 bytes 33507c478bd9Sstevel@tonic-gate */ 33517c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE64 && dp->it_size == 6) 33527c478bd9Sstevel@tonic-gate x->d86_memsize = 10; 33537c478bd9Sstevel@tonic-gate else if (x->d86_mode == SIZE64 && opcode1 == 0x9 && 33547c478bd9Sstevel@tonic-gate (opcode2 == 0xc || opcode2 == 0xd)) 33557c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 33567c478bd9Sstevel@tonic-gate else 33577c478bd9Sstevel@tonic-gate x->d86_memsize = dp->it_size; 33587c478bd9Sstevel@tonic-gate 33597c478bd9Sstevel@tonic-gate } else if (wbit == 0) { 33607c478bd9Sstevel@tonic-gate x->d86_memsize = 1; 33617c478bd9Sstevel@tonic-gate 33627c478bd9Sstevel@tonic-gate } else if (wbit == LONG_OPND) { 33637c478bd9Sstevel@tonic-gate if (opnd_size == SIZE64) 33647c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 33657c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 33667c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 33677c478bd9Sstevel@tonic-gate else 33687c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 33697c478bd9Sstevel@tonic-gate 33707c478bd9Sstevel@tonic-gate } else if (wbit == SEG_OPND) { 33717c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 33727c478bd9Sstevel@tonic-gate 33737c478bd9Sstevel@tonic-gate } else { 33747c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 33757c478bd9Sstevel@tonic-gate } 33767c478bd9Sstevel@tonic-gate #endif 33777c478bd9Sstevel@tonic-gate return (0); 33787c478bd9Sstevel@tonic-gate 33797c478bd9Sstevel@tonic-gate error: 33807c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3381d267098bSdmick (void) strlcat(x->d86_mnem, "undef", OPLEN); 33827c478bd9Sstevel@tonic-gate #endif 33837c478bd9Sstevel@tonic-gate return (1); 33847c478bd9Sstevel@tonic-gate } 33857c478bd9Sstevel@tonic-gate 33867c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 33877c478bd9Sstevel@tonic-gate 33887c478bd9Sstevel@tonic-gate /* 33897c478bd9Sstevel@tonic-gate * Some instructions should have immediate operands printed 33907c478bd9Sstevel@tonic-gate * as unsigned integers. We compare against this table. 33917c478bd9Sstevel@tonic-gate */ 33927c478bd9Sstevel@tonic-gate static char *unsigned_ops[] = { 33937c478bd9Sstevel@tonic-gate "or", "and", "xor", "test", "in", "out", "lcall", "ljmp", 33947c478bd9Sstevel@tonic-gate "rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl", 33957c478bd9Sstevel@tonic-gate 0 33967c478bd9Sstevel@tonic-gate }; 33977c478bd9Sstevel@tonic-gate 3398d267098bSdmick 33997c478bd9Sstevel@tonic-gate static int 34007c478bd9Sstevel@tonic-gate isunsigned_op(char *opcode) 34017c478bd9Sstevel@tonic-gate { 34027c478bd9Sstevel@tonic-gate char *where; 34037c478bd9Sstevel@tonic-gate int i; 34047c478bd9Sstevel@tonic-gate int is_unsigned = 0; 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate /* 34077c478bd9Sstevel@tonic-gate * Work back to start of last mnemonic, since we may have 34087c478bd9Sstevel@tonic-gate * prefixes on some opcodes. 34097c478bd9Sstevel@tonic-gate */ 34107c478bd9Sstevel@tonic-gate where = opcode + strlen(opcode) - 1; 34117c478bd9Sstevel@tonic-gate while (where > opcode && *where != ' ') 34127c478bd9Sstevel@tonic-gate --where; 34137c478bd9Sstevel@tonic-gate if (*where == ' ') 34147c478bd9Sstevel@tonic-gate ++where; 34157c478bd9Sstevel@tonic-gate 34167c478bd9Sstevel@tonic-gate for (i = 0; unsigned_ops[i]; ++i) { 34177c478bd9Sstevel@tonic-gate if (strncmp(where, unsigned_ops[i], 34187c478bd9Sstevel@tonic-gate strlen(unsigned_ops[i]))) 34197c478bd9Sstevel@tonic-gate continue; 34207c478bd9Sstevel@tonic-gate is_unsigned = 1; 34217c478bd9Sstevel@tonic-gate break; 34227c478bd9Sstevel@tonic-gate } 34237c478bd9Sstevel@tonic-gate return (is_unsigned); 34247c478bd9Sstevel@tonic-gate } 34257c478bd9Sstevel@tonic-gate 3426d267098bSdmick /* 3427d267098bSdmick * Print a numeric immediate into end of buf, maximum length buflen. 3428d267098bSdmick * The immediate may be an address or a displacement. Mask is set 3429d267098bSdmick * for address size. If the immediate is a "small negative", or 3430d267098bSdmick * if it's a negative displacement of any magnitude, print as -<absval>. 3431d267098bSdmick * Respect the "octal" flag. "Small negative" is defined as "in the 3432d267098bSdmick * interval [NEG_LIMIT, 0)". 3433d267098bSdmick * 3434d267098bSdmick * Also, "isunsigned_op()" instructions never print negatives. 3435d267098bSdmick * 3436d267098bSdmick * Return whether we decided to print a negative value or not. 3437d267098bSdmick */ 3438d267098bSdmick 3439d267098bSdmick #define NEG_LIMIT -255 3440d267098bSdmick enum {IMM, DISP}; 3441d267098bSdmick enum {POS, TRY_NEG}; 3442d267098bSdmick 3443d267098bSdmick static int 3444d267098bSdmick print_imm(dis86_t *dis, uint64_t usv, uint64_t mask, char *buf, 3445d267098bSdmick size_t buflen, int disp, int try_neg) 3446d267098bSdmick { 3447d267098bSdmick int curlen; 3448d267098bSdmick int64_t sv = (int64_t)usv; 3449d267098bSdmick int octal = dis->d86_flags & DIS_F_OCTAL; 3450d267098bSdmick 3451d267098bSdmick curlen = strlen(buf); 3452d267098bSdmick 3453d267098bSdmick if (try_neg == TRY_NEG && sv < 0 && 3454d267098bSdmick (disp || sv >= NEG_LIMIT) && 3455d267098bSdmick !isunsigned_op(dis->d86_mnem)) { 3456d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3457d267098bSdmick octal ? "-0%llo" : "-0x%llx", (-sv) & mask); 3458d267098bSdmick return (1); 3459d267098bSdmick } else { 3460d267098bSdmick if (disp == DISP) 3461d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3462d267098bSdmick octal ? "+0%llo" : "+0x%llx", usv & mask); 3463d267098bSdmick else 3464d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3465d267098bSdmick octal ? "0%llo" : "0x%llx", usv & mask); 3466d267098bSdmick return (0); 3467d267098bSdmick 3468d267098bSdmick } 3469d267098bSdmick } 3470d267098bSdmick 3471d267098bSdmick 3472d267098bSdmick static int 3473d267098bSdmick log2(int size) 3474d267098bSdmick { 3475d267098bSdmick switch (size) { 3476d267098bSdmick case 1: return (0); 3477d267098bSdmick case 2: return (1); 3478d267098bSdmick case 4: return (2); 3479d267098bSdmick case 8: return (3); 3480d267098bSdmick } 3481d267098bSdmick return (0); 3482d267098bSdmick } 3483d267098bSdmick 34847c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34857c478bd9Sstevel@tonic-gate void 3486d267098bSdmick dtrace_disx86_str(dis86_t *dis, uint_t mode, uint64_t pc, char *buf, 34877c478bd9Sstevel@tonic-gate size_t buflen) 34887c478bd9Sstevel@tonic-gate { 3489d267098bSdmick uint64_t reltgt = 0; 3490d267098bSdmick uint64_t tgt = 0; 3491d267098bSdmick int curlen; 3492d267098bSdmick int (*lookup)(void *, uint64_t, char *, size_t); 34937c478bd9Sstevel@tonic-gate int i; 3494d267098bSdmick int64_t sv; 3495d267098bSdmick uint64_t usv, mask, save_mask, save_usv; 3496d267098bSdmick static uint64_t masks[] = 3497d267098bSdmick {0xffU, 0xffffU, 0xffffffffU, 0xffffffffffffffffULL}; 3498d267098bSdmick save_usv = 0; 34997c478bd9Sstevel@tonic-gate 3500d267098bSdmick dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mnem); 35017c478bd9Sstevel@tonic-gate 3502dc0093f4Seschrock /* 3503dc0093f4Seschrock * For PC-relative jumps, the pc is really the next pc after executing 3504dc0093f4Seschrock * this instruction, so increment it appropriately. 3505dc0093f4Seschrock */ 3506dc0093f4Seschrock pc += dis->d86_len; 3507dc0093f4Seschrock 35087c478bd9Sstevel@tonic-gate for (i = 0; i < dis->d86_numopnds; i++) { 35097c478bd9Sstevel@tonic-gate d86opnd_t *op = &dis->d86_opnd[i]; 35107c478bd9Sstevel@tonic-gate 35117c478bd9Sstevel@tonic-gate if (i != 0) 35127c478bd9Sstevel@tonic-gate (void) strlcat(buf, ",", buflen); 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_prefix, buflen); 35157c478bd9Sstevel@tonic-gate 3516d267098bSdmick /* 3517d267098bSdmick * sv is for the signed, possibly-truncated immediate or 3518d267098bSdmick * displacement; usv retains the original size and 3519d267098bSdmick * unsignedness for symbol lookup. 3520d267098bSdmick */ 3521d267098bSdmick 3522d267098bSdmick sv = usv = op->d86_value; 3523d267098bSdmick 3524d267098bSdmick /* 3525d267098bSdmick * About masks: for immediates that represent 3526d267098bSdmick * addresses, the appropriate display size is 3527d267098bSdmick * the effective address size of the instruction. 3528d267098bSdmick * This includes MODE_OFFSET, MODE_IPREL, and 3529d267098bSdmick * MODE_RIPREL. Immediates that are simply 3530d267098bSdmick * immediate values should display in the operand's 3531d267098bSdmick * size, however, since they don't represent addresses. 3532d267098bSdmick */ 3533d267098bSdmick 3534d267098bSdmick /* d86_addr_size is SIZEnn, which is log2(real size) */ 3535d267098bSdmick mask = masks[dis->d86_addr_size]; 3536d267098bSdmick 3537d267098bSdmick /* d86_value_size and d86_imm_bytes are in bytes */ 3538d267098bSdmick if (op->d86_mode == MODE_SIGNED || 3539d267098bSdmick op->d86_mode == MODE_IMPLIED) 3540d267098bSdmick mask = masks[log2(op->d86_value_size)]; 35417c478bd9Sstevel@tonic-gate 35427c478bd9Sstevel@tonic-gate switch (op->d86_mode) { 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate case MODE_NONE: 35457c478bd9Sstevel@tonic-gate 35467c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_opnd, buflen); 35477c478bd9Sstevel@tonic-gate break; 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate case MODE_SIGNED: 35507c478bd9Sstevel@tonic-gate case MODE_IMPLIED: 35517c478bd9Sstevel@tonic-gate case MODE_OFFSET: 35527c478bd9Sstevel@tonic-gate 3553d267098bSdmick tgt = usv; 3554d267098bSdmick 35557c478bd9Sstevel@tonic-gate if (dis->d86_seg_prefix) 3556dc0093f4Seschrock (void) strlcat(buf, dis->d86_seg_prefix, 3557dc0093f4Seschrock buflen); 35587c478bd9Sstevel@tonic-gate 35597c478bd9Sstevel@tonic-gate if (op->d86_mode == MODE_SIGNED || 3560d267098bSdmick op->d86_mode == MODE_IMPLIED) { 3561dc0093f4Seschrock (void) strlcat(buf, "$", buflen); 3562d267098bSdmick } 35637c478bd9Sstevel@tonic-gate 3564d267098bSdmick if (print_imm(dis, usv, mask, buf, buflen, 3565d267098bSdmick IMM, TRY_NEG) && 3566d267098bSdmick (op->d86_mode == MODE_SIGNED || 3567d267098bSdmick op->d86_mode == MODE_IMPLIED)) { 3568d267098bSdmick 3569d267098bSdmick /* 3570d267098bSdmick * We printed a negative value for an 3571d267098bSdmick * immediate that wasn't a 3572d267098bSdmick * displacement. Note that fact so we can 3573d267098bSdmick * print the positive value as an 3574d267098bSdmick * annotation. 3575d267098bSdmick */ 3576d267098bSdmick 3577d267098bSdmick save_usv = usv; 3578d267098bSdmick save_mask = mask; 35797c478bd9Sstevel@tonic-gate } 3580dc0093f4Seschrock (void) strlcat(buf, op->d86_opnd, buflen); 3581d267098bSdmick 35827c478bd9Sstevel@tonic-gate break; 35837c478bd9Sstevel@tonic-gate 35847c478bd9Sstevel@tonic-gate case MODE_IPREL: 3585d267098bSdmick case MODE_RIPREL: 35867c478bd9Sstevel@tonic-gate 3587d267098bSdmick reltgt = pc + sv; 3588d267098bSdmick 3589d267098bSdmick switch (mode) { 3590d267098bSdmick case SIZE16: 3591d267098bSdmick reltgt = (uint16_t)reltgt; 35927c478bd9Sstevel@tonic-gate break; 3593d267098bSdmick case SIZE32: 3594d267098bSdmick reltgt = (uint32_t)reltgt; 35957c478bd9Sstevel@tonic-gate break; 35967c478bd9Sstevel@tonic-gate } 35977c478bd9Sstevel@tonic-gate 3598d267098bSdmick (void) print_imm(dis, usv, mask, buf, buflen, 3599d267098bSdmick DISP, TRY_NEG); 36007c478bd9Sstevel@tonic-gate 3601d267098bSdmick if (op->d86_mode == MODE_RIPREL) 3602d267098bSdmick (void) strlcat(buf, "(%rip)", buflen); 3603d267098bSdmick break; 3604d267098bSdmick } 3605d267098bSdmick } 36067c478bd9Sstevel@tonic-gate 3607d267098bSdmick /* 3608d267098bSdmick * The symbol lookups may result in false positives, 3609d267098bSdmick * particularly on object files, where small numbers may match 3610d267098bSdmick * the 0-relative non-relocated addresses of symbols. 3611d267098bSdmick */ 36127c478bd9Sstevel@tonic-gate 3613d267098bSdmick lookup = dis->d86_sym_lookup; 3614d267098bSdmick if (tgt != 0) { 3615e0070315Sdmick if ((dis->d86_flags & DIS_F_NOIMMSYM) == 0 && 3616e0070315Sdmick lookup(dis->d86_data, tgt, NULL, 0) == 0) { 3617d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3618d267098bSdmick curlen = strlen(buf); 3619d267098bSdmick lookup(dis->d86_data, tgt, buf + curlen, 3620d267098bSdmick buflen - curlen); 3621dc0093f4Seschrock (void) strlcat(buf, ">", buflen); 3622d267098bSdmick } 36237c478bd9Sstevel@tonic-gate 3624d267098bSdmick /* 3625d267098bSdmick * If we printed a negative immediate above, print the 3626d267098bSdmick * positive in case our heuristic was unhelpful 3627d267098bSdmick */ 3628d267098bSdmick if (save_usv) { 3629d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3630d267098bSdmick (void) print_imm(dis, save_usv, save_mask, buf, buflen, 3631d267098bSdmick IMM, POS); 3632d267098bSdmick (void) strlcat(buf, ">", buflen); 36337c478bd9Sstevel@tonic-gate } 36347c478bd9Sstevel@tonic-gate } 3635d267098bSdmick 3636d267098bSdmick if (reltgt != 0) { 3637d267098bSdmick /* Print symbol or effective address for reltgt */ 3638d267098bSdmick 3639d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3640d267098bSdmick curlen = strlen(buf); 3641d267098bSdmick lookup(dis->d86_data, reltgt, buf + curlen, 3642d267098bSdmick buflen - curlen); 3643d267098bSdmick (void) strlcat(buf, ">", buflen); 3644d267098bSdmick } 36457c478bd9Sstevel@tonic-gate } 36467c478bd9Sstevel@tonic-gate 36477c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 3648