17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5dc0093f4Seschrock * Common Development and Distribution License (the "License"). 6dc0093f4Seschrock * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22dc0093f4Seschrock * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 277c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include "dis_tables.h" 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate /* BEGIN CSTYLED */ 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate /* 377c478bd9Sstevel@tonic-gate * Disassembly begins in dis_distable, which is equivalent to the One-byte 387c478bd9Sstevel@tonic-gate * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy). The 397c478bd9Sstevel@tonic-gate * decoding loops then traverse out through the other tables as necessary to 407c478bd9Sstevel@tonic-gate * decode a given instruction. 417c478bd9Sstevel@tonic-gate * 427c478bd9Sstevel@tonic-gate * The behavior of this file can be controlled by one of the following flags: 437c478bd9Sstevel@tonic-gate * 447c478bd9Sstevel@tonic-gate * DIS_TEXT Include text for disassembly 457c478bd9Sstevel@tonic-gate * DIS_MEM Include memory-size calculations 467c478bd9Sstevel@tonic-gate * 477c478bd9Sstevel@tonic-gate * Either or both of these can be defined. 487c478bd9Sstevel@tonic-gate * 497c478bd9Sstevel@tonic-gate * This file is not, and will never be, cstyled. If anything, the tables should 507c478bd9Sstevel@tonic-gate * be taken out another tab stop or two so nothing overlaps. 517c478bd9Sstevel@tonic-gate */ 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* 547c478bd9Sstevel@tonic-gate * These functions must be provided for the consumer to do disassembly. 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 577c478bd9Sstevel@tonic-gate extern char *strncpy(char *, const char *, size_t); 587c478bd9Sstevel@tonic-gate extern size_t strlen(const char *); 597c478bd9Sstevel@tonic-gate extern int strcmp(const char *, const char *); 607c478bd9Sstevel@tonic-gate extern int strncmp(const char *, const char *, size_t); 617c478bd9Sstevel@tonic-gate extern size_t strlcat(char *, const char *, size_t); 627c478bd9Sstevel@tonic-gate #endif 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #define TERM 0 /* used to indicate that the 'indirect' */ 667c478bd9Sstevel@tonic-gate /* field terminates - no pointer. */ 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate /* Used to decode instructions. */ 697c478bd9Sstevel@tonic-gate typedef struct instable { 707c478bd9Sstevel@tonic-gate struct instable *it_indirect; /* for decode op codes */ 717c478bd9Sstevel@tonic-gate uchar_t it_adrmode; 727c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 737c478bd9Sstevel@tonic-gate char it_name[NCPS]; 74*d267098bSdmick uint_t it_suffix:1; /* mnem + "w", "l", or "d" */ 757c478bd9Sstevel@tonic-gate #endif 767c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 777c478bd9Sstevel@tonic-gate uint_t it_size:16; 787c478bd9Sstevel@tonic-gate #endif 797c478bd9Sstevel@tonic-gate uint_t it_invalid64:1; /* opcode invalid in amd64 */ 807c478bd9Sstevel@tonic-gate uint_t it_always64:1; /* 64 bit when in 64 bit mode */ 817c478bd9Sstevel@tonic-gate uint_t it_invalid32:1; /* invalid in IA32 */ 827c478bd9Sstevel@tonic-gate uint_t it_stackop:1; /* push/pop stack operation */ 837c478bd9Sstevel@tonic-gate } instable_t; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* 867c478bd9Sstevel@tonic-gate * Instruction formats. 877c478bd9Sstevel@tonic-gate */ 887c478bd9Sstevel@tonic-gate enum { 897c478bd9Sstevel@tonic-gate UNKNOWN, 907c478bd9Sstevel@tonic-gate MRw, 917c478bd9Sstevel@tonic-gate IMlw, 927c478bd9Sstevel@tonic-gate IMw, 937c478bd9Sstevel@tonic-gate IR, 947c478bd9Sstevel@tonic-gate OA, 957c478bd9Sstevel@tonic-gate AO, 967c478bd9Sstevel@tonic-gate MS, 977c478bd9Sstevel@tonic-gate SM, 987c478bd9Sstevel@tonic-gate Mv, 997c478bd9Sstevel@tonic-gate Mw, 1007c478bd9Sstevel@tonic-gate M, /* register or memory */ 1017c478bd9Sstevel@tonic-gate Mb, /* register or memory, always byte sized */ 1027c478bd9Sstevel@tonic-gate MO, /* memory only (no registers) */ 1037c478bd9Sstevel@tonic-gate PREF, 1047c478bd9Sstevel@tonic-gate SWAPGS, 1057c478bd9Sstevel@tonic-gate R, 1067c478bd9Sstevel@tonic-gate RA, 1077c478bd9Sstevel@tonic-gate SEG, 1087c478bd9Sstevel@tonic-gate MR, 1097c478bd9Sstevel@tonic-gate RM, 1107c478bd9Sstevel@tonic-gate IA, 1117c478bd9Sstevel@tonic-gate MA, 1127c478bd9Sstevel@tonic-gate SD, 1137c478bd9Sstevel@tonic-gate AD, 1147c478bd9Sstevel@tonic-gate SA, 1157c478bd9Sstevel@tonic-gate D, 1167c478bd9Sstevel@tonic-gate INM, 1177c478bd9Sstevel@tonic-gate SO, 1187c478bd9Sstevel@tonic-gate BD, 1197c478bd9Sstevel@tonic-gate I, 1207c478bd9Sstevel@tonic-gate P, 1217c478bd9Sstevel@tonic-gate V, 1227c478bd9Sstevel@tonic-gate DSHIFT, /* for double shift that has an 8-bit immediate */ 1237c478bd9Sstevel@tonic-gate U, 1247c478bd9Sstevel@tonic-gate OVERRIDE, 1257c478bd9Sstevel@tonic-gate NORM, /* instructions w/o ModR/M byte, no memory access */ 1267c478bd9Sstevel@tonic-gate IMPLMEM, /* instructions w/o ModR/M byte, implicit mem access */ 1277c478bd9Sstevel@tonic-gate O, /* for call */ 1287c478bd9Sstevel@tonic-gate JTAB, /* jump table */ 1297c478bd9Sstevel@tonic-gate IMUL, /* for 186 iimul instr */ 1307c478bd9Sstevel@tonic-gate CBW, /* so data16 can be evaluated for cbw and variants */ 1317c478bd9Sstevel@tonic-gate MvI, /* for 186 logicals */ 1327c478bd9Sstevel@tonic-gate ENTER, /* for 186 enter instr */ 1337c478bd9Sstevel@tonic-gate RMw, /* for 286 arpl instr */ 1347c478bd9Sstevel@tonic-gate Ib, /* for push immediate byte */ 1357c478bd9Sstevel@tonic-gate F, /* for 287 instructions */ 1367c478bd9Sstevel@tonic-gate FF, /* for 287 instructions */ 1377c478bd9Sstevel@tonic-gate FFC, /* for 287 instructions */ 1387c478bd9Sstevel@tonic-gate DM, /* 16-bit data */ 1397c478bd9Sstevel@tonic-gate AM, /* 16-bit addr */ 1407c478bd9Sstevel@tonic-gate LSEG, /* for 3-bit seg reg encoding */ 1417c478bd9Sstevel@tonic-gate MIb, /* for 386 logicals */ 1427c478bd9Sstevel@tonic-gate SREG, /* for 386 special registers */ 1437c478bd9Sstevel@tonic-gate PREFIX, /* a REP instruction prefix */ 1447c478bd9Sstevel@tonic-gate LOCK, /* a LOCK instruction prefix */ 1457c478bd9Sstevel@tonic-gate INT3, /* The int 3 instruction, which has a fake operand */ 1467c478bd9Sstevel@tonic-gate INTx, /* The normal int instruction, with explicit int num */ 1477c478bd9Sstevel@tonic-gate DSHIFTcl, /* for double shift that implicitly uses %cl */ 1487c478bd9Sstevel@tonic-gate CWD, /* so data16 can be evaluated for cwd and variants */ 1497c478bd9Sstevel@tonic-gate RET, /* single immediate 16-bit operand */ 1507c478bd9Sstevel@tonic-gate MOVZ, /* for movs and movz, with different size operands */ 1517c478bd9Sstevel@tonic-gate XADDB, /* for xaddb */ 1527c478bd9Sstevel@tonic-gate MOVSXZ, /* AMD64 mov sign extend 32 to 64 bit instruction */ 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate /* 1557c478bd9Sstevel@tonic-gate * MMX/SIMD addressing modes. 1567c478bd9Sstevel@tonic-gate */ 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate MMO, /* Prefixable MMX/SIMD-Int mm/mem -> mm */ 1597c478bd9Sstevel@tonic-gate MMOIMPL, /* Prefixable MMX/SIMD-Int mm -> mm (mem) */ 1607c478bd9Sstevel@tonic-gate MMO3P, /* Prefixable MMX/SIMD-Int mm -> r32,imm8 */ 1617c478bd9Sstevel@tonic-gate MMOM3, /* Prefixable MMX/SIMD-Int mm -> r32 */ 1627c478bd9Sstevel@tonic-gate MMOS, /* Prefixable MMX/SIMD-Int mm -> mm/mem */ 1637c478bd9Sstevel@tonic-gate MMOMS, /* Prefixable MMX/SIMD-Int mm -> mem */ 1647c478bd9Sstevel@tonic-gate MMOPM, /* MMX/SIMD-Int mm/mem -> mm,imm8 */ 1657c478bd9Sstevel@tonic-gate MMOPRM, /* Prefixable MMX/SIMD-Int r32/mem -> mm,imm8 */ 1667c478bd9Sstevel@tonic-gate MMOSH, /* Prefixable MMX mm,imm8 */ 1677c478bd9Sstevel@tonic-gate MM, /* MMX/SIMD-Int mm/mem -> mm */ 1687c478bd9Sstevel@tonic-gate MMS, /* MMX/SIMD-Int mm -> mm/mem */ 1697c478bd9Sstevel@tonic-gate MMSH, /* MMX mm,imm8 */ 1707c478bd9Sstevel@tonic-gate XMMO, /* Prefixable SIMD xmm/mem -> xmm */ 1717c478bd9Sstevel@tonic-gate XMMOS, /* Prefixable SIMD xmm -> xmm/mem */ 1727c478bd9Sstevel@tonic-gate XMMOPM, /* Prefixable SIMD xmm/mem w/to xmm,imm8 */ 1737c478bd9Sstevel@tonic-gate XMMOMX, /* Prefixable SIMD mm/mem -> xmm */ 1747c478bd9Sstevel@tonic-gate XMMOX3, /* Prefixable SIMD xmm -> r32 */ 1757c478bd9Sstevel@tonic-gate XMMOXMM, /* Prefixable SIMD xmm/mem -> mm */ 1767c478bd9Sstevel@tonic-gate XMMOM, /* Prefixable SIMD xmm -> mem */ 1777c478bd9Sstevel@tonic-gate XMMOMS, /* Prefixable SIMD mem -> xmm */ 1787c478bd9Sstevel@tonic-gate XMM, /* SIMD xmm/mem -> xmm */ 1797c478bd9Sstevel@tonic-gate XMMXIMPL, /* SIMD xmm -> xmm (mem) */ 1807c478bd9Sstevel@tonic-gate XMM3P, /* SIMD xmm -> r32,imm8 */ 1817c478bd9Sstevel@tonic-gate XMMP, /* SIMD xmm/mem w/to xmm,imm8 */ 1827c478bd9Sstevel@tonic-gate XMMPRM, /* SIMD r32/mem -> xmm,imm8 */ 1837c478bd9Sstevel@tonic-gate XMMS, /* SIMD xmm -> xmm/mem */ 1847c478bd9Sstevel@tonic-gate XMMM, /* SIMD mem -> xmm */ 1857c478bd9Sstevel@tonic-gate XMMMS, /* SIMD xmm -> mem */ 1867c478bd9Sstevel@tonic-gate XMM3MX, /* SIMD r32/mem -> xmm */ 1877c478bd9Sstevel@tonic-gate XMM3MXS, /* SIMD xmm -> r32/mem */ 1887c478bd9Sstevel@tonic-gate XMMSH, /* SIMD xmm,imm8 */ 1897c478bd9Sstevel@tonic-gate XMMXM3, /* SIMD xmm/mem -> r32 */ 1907c478bd9Sstevel@tonic-gate XMMX3, /* SIMD xmm -> r32 */ 1917c478bd9Sstevel@tonic-gate XMMXMM, /* SIMD xmm/mem -> mm */ 1927c478bd9Sstevel@tonic-gate XMMMX, /* SIMD mm -> xmm */ 1937c478bd9Sstevel@tonic-gate XMMXM, /* SIMD xmm -> mm */ 1947c478bd9Sstevel@tonic-gate XMMFENCE, /* SIMD lfence or mfence */ 1957c478bd9Sstevel@tonic-gate XMMSFNC /* SIMD sfence (none or mem) */ 1967c478bd9Sstevel@tonic-gate }; 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate #define FILL 0x90 /* Fill byte used for alignment (nop) */ 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate /* 2017c478bd9Sstevel@tonic-gate ** Register numbers for the i386 2027c478bd9Sstevel@tonic-gate */ 2037c478bd9Sstevel@tonic-gate #define EAX_REGNO 0 2047c478bd9Sstevel@tonic-gate #define ECX_REGNO 1 2057c478bd9Sstevel@tonic-gate #define EDX_REGNO 2 2067c478bd9Sstevel@tonic-gate #define EBX_REGNO 3 2077c478bd9Sstevel@tonic-gate #define ESP_REGNO 4 2087c478bd9Sstevel@tonic-gate #define EBP_REGNO 5 2097c478bd9Sstevel@tonic-gate #define ESI_REGNO 6 2107c478bd9Sstevel@tonic-gate #define EDI_REGNO 7 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate /* 2137c478bd9Sstevel@tonic-gate * modes for immediate values 2147c478bd9Sstevel@tonic-gate */ 2157c478bd9Sstevel@tonic-gate #define MODE_NONE 0 2167c478bd9Sstevel@tonic-gate #define MODE_IPREL 1 /* signed IP relative value */ 2177c478bd9Sstevel@tonic-gate #define MODE_SIGNED 2 /* sign extended immediate */ 2187c478bd9Sstevel@tonic-gate #define MODE_IMPLIED 3 /* constant value implied from opcode */ 2197c478bd9Sstevel@tonic-gate #define MODE_OFFSET 4 /* offset part of an address */ 220*d267098bSdmick #define MODE_RIPREL 5 /* like IPREL, but from %rip (amd64) */ 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate /* 2237c478bd9Sstevel@tonic-gate * The letters used in these macros are: 2247c478bd9Sstevel@tonic-gate * IND - indirect to another to another table 2257c478bd9Sstevel@tonic-gate * "T" - means to Terminate indirections (this is the final opcode) 2267c478bd9Sstevel@tonic-gate * "S" - means "operand length suffix required" 2277c478bd9Sstevel@tonic-gate * "NS" - means "no suffix" which is the operand length suffix of the opcode 2287c478bd9Sstevel@tonic-gate * "Z" - means instruction size arg required 2297c478bd9Sstevel@tonic-gate * "u" - means the opcode is invalid in IA32 but valid in amd64 2307c478bd9Sstevel@tonic-gate * "x" - means the opcode is invalid in amd64, but not IA32 2317c478bd9Sstevel@tonic-gate * "y" - means the operand size is always 64 bits in 64 bit mode 2327c478bd9Sstevel@tonic-gate * "p" - means push/pop stack operation 2337c478bd9Sstevel@tonic-gate */ 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate #if defined(DIS_TEXT) && defined(DIS_MEM) 2367c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0} 2377c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0} 2387c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0, 0} 2397c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 0, 1, 0} 2407c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0, 0} 2417c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 0} 2427c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 1} 2437c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0} 2447c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, sz, 0, 1, 0, 0} 2457c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 0} 2467c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0, 0} 2477c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 0, 1, 0, 0} 2487c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 1} 2497c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0} 2507c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, sz, 1, 0, 0, 0} 2517c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, sz, 0, 1, 0, 0} 2527c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 2537c478bd9Sstevel@tonic-gate #elif defined(DIS_TEXT) 2547c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0} 2557c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, "", 0, 1, 0, 0, 0} 2567c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0} 2577c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0} 2587c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, name, 0, 1, 0, 0, 0} 2597c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0} 2607c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 1, 0, 1} 2617c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0} 2627c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, name, 0, 0, 1, 0, 0} 2637c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0} 2647c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, name, 1, 1, 0, 0, 0} 2657c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0} 2667c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 1} 2677c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0} 2687c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, name, 1, 1, 0, 0, 0} 2697c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, name, 1, 0, 1, 0, 0} 2707c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 2717c478bd9Sstevel@tonic-gate #elif defined(DIS_MEM) 2727c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0, 0} 2737c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 0, 1, 0, 0, 0} 2747c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 2757c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 0, 1, 0} 2767c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 2777c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 0, 1, 0, 1} 2787c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 2797c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 2807c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 2817c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 2827c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 2837c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 2847c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 0, 1} 2857c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 2867c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, sz, 1, 0, 0, 0} 2877c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 2887c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0, 0} 2897c478bd9Sstevel@tonic-gate #else 2907c478bd9Sstevel@tonic-gate #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0} 2917c478bd9Sstevel@tonic-gate #define INDx(table) {(instable_t *)table, 0, 1, 0, 0, 0} 2927c478bd9Sstevel@tonic-gate #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0} 2937c478bd9Sstevel@tonic-gate #define TNSu(name, amode) {TERM, amode, 0, 0, 1, 0} 2947c478bd9Sstevel@tonic-gate #define TNSy(name, amode) {TERM, amode, 0, 1, 0, 0} 2957c478bd9Sstevel@tonic-gate #define TNSyp(name, amode) {TERM, amode, 0, 1, 0, 1} 2967c478bd9Sstevel@tonic-gate #define TNSx(name, amode) {TERM, amode, 1, 0, 0, 0} 2977c478bd9Sstevel@tonic-gate #define TNSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 2987c478bd9Sstevel@tonic-gate #define TNSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 2997c478bd9Sstevel@tonic-gate #define TS(name, amode) {TERM, amode, 0, 0, 0, 0} 3007c478bd9Sstevel@tonic-gate #define TSx(name, amode) {TERM, amode, 1, 0, 0, 0} 3017c478bd9Sstevel@tonic-gate #define TSy(name, amode) {TERM, amode, 0, 1, 0, 0} 3027c478bd9Sstevel@tonic-gate #define TSp(name, amode) {TERM, amode, 0, 0, 0, 1} 3037c478bd9Sstevel@tonic-gate #define TSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 3047c478bd9Sstevel@tonic-gate #define TSZx(name, amode, sz) {TERM, amode, 1, 0, 0, 0} 3057c478bd9Sstevel@tonic-gate #define TSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 3067c478bd9Sstevel@tonic-gate #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0} 3077c478bd9Sstevel@tonic-gate #endif 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3107c478bd9Sstevel@tonic-gate /* 3117c478bd9Sstevel@tonic-gate * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode 3127c478bd9Sstevel@tonic-gate */ 3137c478bd9Sstevel@tonic-gate const char *const dis_addr16[3][8] = { 3147c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "", 3157c478bd9Sstevel@tonic-gate "(%bx)", 3167c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)", 3177c478bd9Sstevel@tonic-gate "(%bx)", 3187c478bd9Sstevel@tonic-gate "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)", 3197c478bd9Sstevel@tonic-gate "(%bx)", 3207c478bd9Sstevel@tonic-gate }; 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* 3247c478bd9Sstevel@tonic-gate * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2 3257c478bd9Sstevel@tonic-gate */ 3267c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode0[16] = { 3277c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "", "(%esi)", "(%edi)", 3287c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "", "(%r14d)", "(%r15d)" 3297c478bd9Sstevel@tonic-gate }; 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate const char *const dis_addr32_mode12[16] = { 3327c478bd9Sstevel@tonic-gate "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "(%ebp)", "(%esi)", "(%edi)", 3337c478bd9Sstevel@tonic-gate "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)" 3347c478bd9Sstevel@tonic-gate }; 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* 3377c478bd9Sstevel@tonic-gate * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode0[16] = { 3407c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rip)", "(%rsi)", "(%rdi)", 3417c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)" 3427c478bd9Sstevel@tonic-gate }; 3437c478bd9Sstevel@tonic-gate const char *const dis_addr64_mode12[16] = { 3447c478bd9Sstevel@tonic-gate "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rbp)", "(%rsi)", "(%rdi)", 3457c478bd9Sstevel@tonic-gate "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)" 3467c478bd9Sstevel@tonic-gate }; 3477c478bd9Sstevel@tonic-gate 3487c478bd9Sstevel@tonic-gate /* 3497c478bd9Sstevel@tonic-gate * decode for scale from SIB byte 3507c478bd9Sstevel@tonic-gate */ 3517c478bd9Sstevel@tonic-gate const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" }; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate /* 3547c478bd9Sstevel@tonic-gate * register decoding for normal references to registers (ie. not addressing) 3557c478bd9Sstevel@tonic-gate */ 3567c478bd9Sstevel@tonic-gate const char *const dis_REG8[16] = { 3577c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 3587c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 3597c478bd9Sstevel@tonic-gate }; 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate const char *const dis_REG8_REX[16] = { 3627c478bd9Sstevel@tonic-gate "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 3637c478bd9Sstevel@tonic-gate "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 3647c478bd9Sstevel@tonic-gate }; 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate const char *const dis_REG16[16] = { 3677c478bd9Sstevel@tonic-gate "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 3687c478bd9Sstevel@tonic-gate "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" 3697c478bd9Sstevel@tonic-gate }; 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate const char *const dis_REG32[16] = { 3727c478bd9Sstevel@tonic-gate "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 3737c478bd9Sstevel@tonic-gate "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" 3747c478bd9Sstevel@tonic-gate }; 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate const char *const dis_REG64[16] = { 3777c478bd9Sstevel@tonic-gate "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 3787c478bd9Sstevel@tonic-gate "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" 3797c478bd9Sstevel@tonic-gate }; 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate const char *const dis_DEBUGREG[16] = { 3827c478bd9Sstevel@tonic-gate "%db0", "%db1", "%db2", "%db3", "%db4", "%db5", "%db6", "%db7", 3837c478bd9Sstevel@tonic-gate "%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15" 3847c478bd9Sstevel@tonic-gate }; 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate const char *const dis_CONTROLREG[16] = { 3877c478bd9Sstevel@tonic-gate "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?", 3887c478bd9Sstevel@tonic-gate "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?" 3897c478bd9Sstevel@tonic-gate }; 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate const char *const dis_TESTREG[16] = { 3927c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7", 3937c478bd9Sstevel@tonic-gate "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7" 3947c478bd9Sstevel@tonic-gate }; 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate const char *const dis_MMREG[16] = { 3977c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7", 3987c478bd9Sstevel@tonic-gate "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7" 3997c478bd9Sstevel@tonic-gate }; 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate const char *const dis_XMMREG[16] = { 4027c478bd9Sstevel@tonic-gate "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", 4037c478bd9Sstevel@tonic-gate "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15" 4047c478bd9Sstevel@tonic-gate }; 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate const char *const dis_SEGREG[16] = { 4077c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>", 4087c478bd9Sstevel@tonic-gate "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>" 4097c478bd9Sstevel@tonic-gate }; 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate /* 4127c478bd9Sstevel@tonic-gate * SIMD predicate suffixes 4137c478bd9Sstevel@tonic-gate */ 4147c478bd9Sstevel@tonic-gate const char *const dis_PREDSUFFIX[8] = { 4157c478bd9Sstevel@tonic-gate "eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord" 4167c478bd9Sstevel@tonic-gate }; 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate /* 4267c478bd9Sstevel@tonic-gate * "decode table" for 64 bit mode MOVSXD instruction (opcode 0x63) 4277c478bd9Sstevel@tonic-gate */ 4287c478bd9Sstevel@tonic-gate const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ); 4297c478bd9Sstevel@tonic-gate 4307c478bd9Sstevel@tonic-gate /* 4317c478bd9Sstevel@tonic-gate * "decode table" for pause and clflush instructions 4327c478bd9Sstevel@tonic-gate */ 4337c478bd9Sstevel@tonic-gate const instable_t dis_opPause = TNS("pause", NORM); 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate /* 4367c478bd9Sstevel@tonic-gate * Decode table for 0x0F00 opcodes 4377c478bd9Sstevel@tonic-gate */ 4387c478bd9Sstevel@tonic-gate const instable_t dis_op0F00[8] = { 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate /* [0] */ TNS("sldt",M), TNS("str",M), TNSy("lldt",M), TNSy("ltr",M), 4417c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("verr",M,2), TNSZ("verw",M,2), INVALID, INVALID, 4427c478bd9Sstevel@tonic-gate }; 4437c478bd9Sstevel@tonic-gate 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate /* 4467c478bd9Sstevel@tonic-gate * Decode table for 0x0F01 opcodes 4477c478bd9Sstevel@tonic-gate */ 4487c478bd9Sstevel@tonic-gate const instable_t dis_op0F01[8] = { 4497c478bd9Sstevel@tonic-gate 4507c478bd9Sstevel@tonic-gate /* [0] */ TNSZ("sgdt",MO,6), TNSZ("sidt",MO,6), TNSZ("lgdt",MO,6), TNSZ("lidt",MO,6), 4517c478bd9Sstevel@tonic-gate /* [4] */ TNSZ("smsw",M,2), INVALID, TNSZ("lmsw",M,2), TNS("invlpg",SWAPGS), 4527c478bd9Sstevel@tonic-gate }; 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate /* 4557c478bd9Sstevel@tonic-gate * Decode table for 0x0F18 opcodes -- SIMD prefetch 4567c478bd9Sstevel@tonic-gate */ 4577c478bd9Sstevel@tonic-gate const instable_t dis_op0F18[8] = { 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate /* [0] */ TNS("prefetchnta",PREF),TNS("prefetcht0",PREF), TNS("prefetcht1",PREF), TNS("prefetcht2",PREF), 4607c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 4617c478bd9Sstevel@tonic-gate }; 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate /* 4647c478bd9Sstevel@tonic-gate * Decode table for 0x0FAE opcodes -- SIMD state save/restore 4657c478bd9Sstevel@tonic-gate */ 4667c478bd9Sstevel@tonic-gate const instable_t dis_op0FAE[8] = { 4677c478bd9Sstevel@tonic-gate /* [0] */ TNSZ("fxsave",M,512), TNSZ("fxrstor",M,512), TNS("ldmxcsr",M), TNS("stmxcsr",M), 4687c478bd9Sstevel@tonic-gate /* [4] */ INVALID, TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE), TNS("sfence",XMMSFNC), 4697c478bd9Sstevel@tonic-gate }; 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate /* 4727c478bd9Sstevel@tonic-gate * Decode table for 0x0FBA opcodes 4737c478bd9Sstevel@tonic-gate */ 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate const instable_t dis_op0FBA[8] = { 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate /* [0] */ INVALID, INVALID, INVALID, INVALID, 4787c478bd9Sstevel@tonic-gate /* [4] */ TS("bt",MIb), TS("bts",MIb), TS("btr",MIb), TS("btc",MIb), 4797c478bd9Sstevel@tonic-gate }; 4807c478bd9Sstevel@tonic-gate 4817c478bd9Sstevel@tonic-gate /* 4827c478bd9Sstevel@tonic-gate * Decode table for 0x0FC7 opcode 4837c478bd9Sstevel@tonic-gate */ 4847c478bd9Sstevel@tonic-gate 4857c478bd9Sstevel@tonic-gate const instable_t dis_op0FC7[8] = { 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate /* [0] */ INVALID, TNS("cmpxchg8b",M), INVALID, INVALID, 4887c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 4897c478bd9Sstevel@tonic-gate }; 4907c478bd9Sstevel@tonic-gate 4917c478bd9Sstevel@tonic-gate 4927c478bd9Sstevel@tonic-gate /* 4937c478bd9Sstevel@tonic-gate * Decode table for 0x0FC8 opcode -- 486 bswap instruction 4947c478bd9Sstevel@tonic-gate * 4957c478bd9Sstevel@tonic-gate *bit pattern: 0000 1111 1100 1reg 4967c478bd9Sstevel@tonic-gate */ 4977c478bd9Sstevel@tonic-gate const instable_t dis_op0FC8[4] = { 4987c478bd9Sstevel@tonic-gate /* [0] */ TNS("bswap",R), INVALID, INVALID, INVALID, 4997c478bd9Sstevel@tonic-gate }; 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate /* 5027c478bd9Sstevel@tonic-gate * Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions 5037c478bd9Sstevel@tonic-gate */ 5047c478bd9Sstevel@tonic-gate const instable_t dis_op0F7123[4][8] = { 5057c478bd9Sstevel@tonic-gate { 5067c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 5077c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 5087c478bd9Sstevel@tonic-gate }, { 5097c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",MMOSH), INVALID, 5107c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",MMOSH), INVALID, TNS("psllw",MMOSH), INVALID, 5117c478bd9Sstevel@tonic-gate }, { 5127c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",MMOSH), INVALID, 5137c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",MMOSH), INVALID, TNS("pslld",MMOSH), INVALID, 5147c478bd9Sstevel@tonic-gate }, { 5157c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",MMOSH), TNS("INVALID",MMOSH), 5167c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",MMOSH), TNS("INVALID",MMOSH), 5177c478bd9Sstevel@tonic-gate } }; 5187c478bd9Sstevel@tonic-gate 5197c478bd9Sstevel@tonic-gate /* 5207c478bd9Sstevel@tonic-gate * Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes. 5217c478bd9Sstevel@tonic-gate */ 5227c478bd9Sstevel@tonic-gate const instable_t dis_opSIMD7123[32] = { 5237c478bd9Sstevel@tonic-gate /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 5247c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, INVALID, INVALID, 5257c478bd9Sstevel@tonic-gate 5267c478bd9Sstevel@tonic-gate /* [71].0 */ INVALID, INVALID, TNS("psrlw",XMMSH), INVALID, 5277c478bd9Sstevel@tonic-gate /* .4 */ TNS("psraw",XMMSH), INVALID, TNS("psllw",XMMSH), INVALID, 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate /* [72].0 */ INVALID, INVALID, TNS("psrld",XMMSH), INVALID, 5307c478bd9Sstevel@tonic-gate /* .4 */ TNS("psrad",XMMSH), INVALID, TNS("pslld",XMMSH), INVALID, 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate /* [73].0 */ INVALID, INVALID, TNS("psrlq",XMMSH), TNS("psrldq",XMMSH), 5337c478bd9Sstevel@tonic-gate /* .4 */ INVALID, INVALID, TNS("psllq",XMMSH), TNS("pslldq",XMMSH), 5347c478bd9Sstevel@tonic-gate }; 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate /* 5377c478bd9Sstevel@tonic-gate * SIMD instructions have been wedged into the existing IA32 instruction 5387c478bd9Sstevel@tonic-gate * set through the use of prefixes. That is, while 0xf0 0x58 may be 5397c478bd9Sstevel@tonic-gate * addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different 5407c478bd9Sstevel@tonic-gate * instruction - addss. At present, three prefixes have been coopted in 5417c478bd9Sstevel@tonic-gate * this manner - address size (0x66), repnz (0xf2) and repz (0xf3). The 5427c478bd9Sstevel@tonic-gate * following tables are used to provide the prefixed instruction names. 5437c478bd9Sstevel@tonic-gate * The arrays are sparse, but they're fast. 5447c478bd9Sstevel@tonic-gate */ 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the address size (0x66) prefix. 5487c478bd9Sstevel@tonic-gate */ 5497c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDdata16[256] = { 5507c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 5517c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 5527c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 5537c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movupd",XMM,16), TNSZ("movupd",XMMS,16), TNSZ("movlpd",XMMM,8), TNSZ("movlpd",XMMMS,8), 5567c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8), TNSZ("movhpd",XMMMS,8), 5577c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 5587c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 5617c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 5627c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movapd",XMM,16), TNSZ("movapd",XMMS,16), TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16), 5637c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8), 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 5667c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 5677c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 5687c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 5717c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 5727c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 5737c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskpd",XMMOX3), TNSZ("sqrtpd",XMM,16), INVALID, INVALID, 5767c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andpd",XMM,16), TNSZ("andnpd",XMM,16), TNSZ("orpd",XMM,16), TNSZ("xorpd",XMM,16), 5777c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addpd",XMM,16), TNSZ("mulpd",XMM,16), TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16), 5787c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subpd",XMM,16), TNSZ("minpd",XMM,16), TNSZ("divpd",XMM,16), TNSZ("maxpd",XMM,16), 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16), 5817c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",XMM,16), TNSZ("pcmpgtw",XMM,16), TNSZ("pcmpgtd",XMM,16), TNSZ("packuswb",XMM,16), 5827c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16), 5837c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16), 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufd",XMMP,16), INVALID, INVALID, INVALID, 5867c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",XMM,16), TNSZ("pcmpeqw",XMM,16), TNSZ("pcmpeqd",XMM,16), INVALID, 5877c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 5887c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",XMM3MXS,4), TNSZ("movdqa",XMMS,16), 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 5917c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 5927c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 5937c478bd9Sstevel@tonic-gate /* [8C] */ INVALID, INVALID, INVALID, INVALID, 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 5967c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 5977c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 5987c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 6017c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 6027c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 6037c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 6067c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 6077c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 6087c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmppd",XMMP,16), INVALID, 6117c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P), TNSZ("shufpd",XMMP,16), INVALID, 6127c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 6137c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 6147c478bd9Sstevel@tonic-gate 6157c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",XMM,16), TNSZ("psrld",XMM,16), TNSZ("psrlq",XMM,16), 6167c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",XMM,16), TNSZ("pmullw",XMM,16), TNSZ("movq",XMMS,8), TNS("pmovmskb",XMMX3), 6177c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",XMM,16), TNSZ("psubusw",XMM,16), TNSZ("pminub",XMM,16), TNSZ("pand",XMM,16), 6187c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",XMM,16), TNSZ("paddusw",XMM,16), TNSZ("pmaxub",XMM,16), TNSZ("pandn",XMM,16), 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",XMM,16), TNSZ("psraw",XMM,16), TNSZ("psrad",XMM,16), TNSZ("pavgw",XMM,16), 6217c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",XMM,16), TNSZ("pmulhw",XMM,16), TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16), 6227c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",XMM,16), TNSZ("psubsw",XMM,16), TNSZ("pminsw",XMM,16), TNSZ("por",XMM,16), 6237c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",XMM,16), TNSZ("paddsw",XMM,16), TNSZ("pmaxsw",XMM,16), TNSZ("pxor",XMM,16), 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",XMM,16), TNSZ("pslld",XMM,16), TNSZ("psllq",XMM,16), 6267c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",XMM,16), TNSZ("pmaddwd",XMM,16), TNSZ("psadbw",XMM,16), TNSZ("maskmovdqu", XMMXIMPL,16), 6277c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",XMM,16), TNSZ("psubw",XMM,16), TNSZ("psubd",XMM,16), TNSZ("psubq",XMM,16), 6287c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",XMM,16), TNSZ("paddw",XMM,16), TNSZ("paddd",XMM,16), INVALID, 6297c478bd9Sstevel@tonic-gate }; 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate /* 6327c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repnz (0xf2) prefix. 6337c478bd9Sstevel@tonic-gate */ 6347c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepnz[256] = { 6357c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 6367c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 6377c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 6387c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movsd",XMM,8), TNSZ("movsd",XMMS,8), INVALID, INVALID, 6417c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 6427c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 6437c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 6467c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 6477c478bd9Sstevel@tonic-gate /* [28] */ INVALID, INVALID, TNSZ("cvtsi2sd",XMM3MX,4),INVALID, 6487c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID, INVALID, 6497c478bd9Sstevel@tonic-gate 6507c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 6517c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 6527c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 6537c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 6547c478bd9Sstevel@tonic-gate 6557c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 6567c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 6577c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 6587c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 6597c478bd9Sstevel@tonic-gate 6607c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtsd",XMM,8), INVALID, INVALID, 6617c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 6627c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addsd",XMM,8), TNSZ("mulsd",XMM,8), TNSZ("cvtsd2ss",XMM,8), INVALID, 6637c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subsd",XMM,8), TNSZ("minsd",XMM,8), TNSZ("divsd",XMM,8), TNSZ("maxsd",XMM,8), 6647c478bd9Sstevel@tonic-gate 6657c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 6667c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 6677c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 6687c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, INVALID, 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshuflw",XMMP,16),INVALID, INVALID, INVALID, 6717c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 6727c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 6737c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, INVALID, INVALID, 6747c478bd9Sstevel@tonic-gate 6757c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 6767c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 6777c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 6787c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 6797c478bd9Sstevel@tonic-gate 6807c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 6817c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 6827c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 6837c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 6867c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 6877c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 6887c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 6897c478bd9Sstevel@tonic-gate 6907c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 6917c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 6927c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 6937c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 6947c478bd9Sstevel@tonic-gate 6957c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpsd",XMMP,8), INVALID, 6967c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 6977c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 6987c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 6997c478bd9Sstevel@tonic-gate 7007c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 7017c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movdq2q",XMMXM), INVALID, 7027c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 7037c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 7067c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtpd2dq",XMM,16),INVALID, 7077c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 7087c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 7097c478bd9Sstevel@tonic-gate 7107c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 7117c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 7127c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 7137c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 7147c478bd9Sstevel@tonic-gate }; 7157c478bd9Sstevel@tonic-gate 7167c478bd9Sstevel@tonic-gate /* 7177c478bd9Sstevel@tonic-gate * Decode table for SIMD instructions with the repz (0xf3) prefix. 7187c478bd9Sstevel@tonic-gate */ 7197c478bd9Sstevel@tonic-gate const instable_t dis_opSIMDrepz[256] = { 7207c478bd9Sstevel@tonic-gate /* [00] */ INVALID, INVALID, INVALID, INVALID, 7217c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 7227c478bd9Sstevel@tonic-gate /* [08] */ INVALID, INVALID, INVALID, INVALID, 7237c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movss",XMM,4), TNSZ("movss",XMMS,4), INVALID, INVALID, 7267c478bd9Sstevel@tonic-gate /* [14] */ INVALID, INVALID, INVALID, INVALID, 7277c478bd9Sstevel@tonic-gate /* [18] */ INVALID, INVALID, INVALID, INVALID, 7287c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate /* [20] */ INVALID, INVALID, INVALID, INVALID, 7317c478bd9Sstevel@tonic-gate /* [24] */ INVALID, INVALID, INVALID, INVALID, 7327c478bd9Sstevel@tonic-gate /* [28] */ INVALID, INVALID, TNSZ("cvtsi2ss",XMM3MX,4),INVALID, 7337c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID, INVALID, 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate /* [30] */ INVALID, INVALID, INVALID, INVALID, 7367c478bd9Sstevel@tonic-gate /* [34] */ INVALID, INVALID, INVALID, INVALID, 7377c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 7387c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 7397c478bd9Sstevel@tonic-gate 7407c478bd9Sstevel@tonic-gate /* [40] */ INVALID, INVALID, INVALID, INVALID, 7417c478bd9Sstevel@tonic-gate /* [44] */ INVALID, INVALID, INVALID, INVALID, 7427c478bd9Sstevel@tonic-gate /* [48] */ INVALID, INVALID, INVALID, INVALID, 7437c478bd9Sstevel@tonic-gate /* [4C] */ INVALID, INVALID, INVALID, INVALID, 7447c478bd9Sstevel@tonic-gate 7457c478bd9Sstevel@tonic-gate /* [50] */ INVALID, TNSZ("sqrtss",XMM,4), TNSZ("rsqrtss",XMM,4), TNSZ("rcpss",XMM,4), 7467c478bd9Sstevel@tonic-gate /* [54] */ INVALID, INVALID, INVALID, INVALID, 7477c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addss",XMM,4), TNSZ("mulss",XMM,4), TNSZ("cvtss2sd",XMM,4), TNSZ("cvttps2dq",XMM,16), 7487c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subss",XMM,4), TNSZ("minss",XMM,4), TNSZ("divss",XMM,4), TNSZ("maxss",XMM,4), 7497c478bd9Sstevel@tonic-gate 7507c478bd9Sstevel@tonic-gate /* [60] */ INVALID, INVALID, INVALID, INVALID, 7517c478bd9Sstevel@tonic-gate /* [64] */ INVALID, INVALID, INVALID, INVALID, 7527c478bd9Sstevel@tonic-gate /* [68] */ INVALID, INVALID, INVALID, INVALID, 7537c478bd9Sstevel@tonic-gate /* [6C] */ INVALID, INVALID, INVALID, TNSZ("movdqu",XMM,16), 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufhw",XMMP,16),INVALID, INVALID, INVALID, 7567c478bd9Sstevel@tonic-gate /* [74] */ INVALID, INVALID, INVALID, INVALID, 7577c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 7587c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movq",XMM,8), TNSZ("movdqu",XMMS,16), 7597c478bd9Sstevel@tonic-gate 7607c478bd9Sstevel@tonic-gate /* [80] */ INVALID, INVALID, INVALID, INVALID, 7617c478bd9Sstevel@tonic-gate /* [84] */ INVALID, INVALID, INVALID, INVALID, 7627c478bd9Sstevel@tonic-gate /* [88] */ INVALID, INVALID, INVALID, INVALID, 7637c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 7647c478bd9Sstevel@tonic-gate 7657c478bd9Sstevel@tonic-gate /* [90] */ INVALID, INVALID, INVALID, INVALID, 7667c478bd9Sstevel@tonic-gate /* [94] */ INVALID, INVALID, INVALID, INVALID, 7677c478bd9Sstevel@tonic-gate /* [98] */ INVALID, INVALID, INVALID, INVALID, 7687c478bd9Sstevel@tonic-gate /* [9C] */ INVALID, INVALID, INVALID, INVALID, 7697c478bd9Sstevel@tonic-gate 7707c478bd9Sstevel@tonic-gate /* [A0] */ INVALID, INVALID, INVALID, INVALID, 7717c478bd9Sstevel@tonic-gate /* [A4] */ INVALID, INVALID, INVALID, INVALID, 7727c478bd9Sstevel@tonic-gate /* [A8] */ INVALID, INVALID, INVALID, INVALID, 7737c478bd9Sstevel@tonic-gate /* [AC] */ INVALID, INVALID, INVALID, INVALID, 7747c478bd9Sstevel@tonic-gate 7757c478bd9Sstevel@tonic-gate /* [B0] */ INVALID, INVALID, INVALID, INVALID, 7767c478bd9Sstevel@tonic-gate /* [B4] */ INVALID, INVALID, INVALID, INVALID, 7777c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, INVALID, INVALID, 7787c478bd9Sstevel@tonic-gate /* [BC] */ INVALID, INVALID, INVALID, INVALID, 7797c478bd9Sstevel@tonic-gate 7807c478bd9Sstevel@tonic-gate /* [C0] */ INVALID, INVALID, TNSZ("cmpss",XMMP,4), INVALID, 7817c478bd9Sstevel@tonic-gate /* [C4] */ INVALID, INVALID, INVALID, INVALID, 7827c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 7837c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, INVALID, INVALID, INVALID, 7867c478bd9Sstevel@tonic-gate /* [D4] */ INVALID, INVALID, TNS("movq2dq",XMMMX), INVALID, 7877c478bd9Sstevel@tonic-gate /* [D8] */ INVALID, INVALID, INVALID, INVALID, 7887c478bd9Sstevel@tonic-gate /* [DC] */ INVALID, INVALID, INVALID, INVALID, 7897c478bd9Sstevel@tonic-gate 7907c478bd9Sstevel@tonic-gate /* [E0] */ INVALID, INVALID, INVALID, INVALID, 7917c478bd9Sstevel@tonic-gate /* [E4] */ INVALID, INVALID, TNSZ("cvtdq2pd",XMM,8), INVALID, 7927c478bd9Sstevel@tonic-gate /* [E8] */ INVALID, INVALID, INVALID, INVALID, 7937c478bd9Sstevel@tonic-gate /* [EC] */ INVALID, INVALID, INVALID, INVALID, 7947c478bd9Sstevel@tonic-gate 7957c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, INVALID, INVALID, INVALID, 7967c478bd9Sstevel@tonic-gate /* [F4] */ INVALID, INVALID, INVALID, INVALID, 7977c478bd9Sstevel@tonic-gate /* [F8] */ INVALID, INVALID, INVALID, INVALID, 7987c478bd9Sstevel@tonic-gate /* [FC] */ INVALID, INVALID, INVALID, INVALID, 7997c478bd9Sstevel@tonic-gate }; 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* 8027c478bd9Sstevel@tonic-gate * Decode table for 0x0F opcodes 8037c478bd9Sstevel@tonic-gate */ 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate const instable_t dis_op0F[16][16] = { 8067c478bd9Sstevel@tonic-gate { 8077c478bd9Sstevel@tonic-gate /* [00] */ IND(dis_op0F00), IND(dis_op0F01), TNS("lar",MR), TNS("lsl",MR), 8087c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("syscall",NORM), TNS("clts",NORM), TNS("sysret",NORM), 8097c478bd9Sstevel@tonic-gate /* [08] */ TNS("invd",NORM), TNS("wbinvd",NORM), INVALID, TNS("ud2",NORM), 8107c478bd9Sstevel@tonic-gate /* [0C] */ INVALID, INVALID, INVALID, INVALID, 8117c478bd9Sstevel@tonic-gate }, { 8127c478bd9Sstevel@tonic-gate /* [10] */ TNSZ("movups",XMMO,16), TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8), TNSZ("movlps",XMMOS,8), 8137c478bd9Sstevel@tonic-gate /* [14] */ TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8), 8147c478bd9Sstevel@tonic-gate /* [18] */ IND(dis_op0F18), INVALID, INVALID, INVALID, 8157c478bd9Sstevel@tonic-gate /* [1C] */ INVALID, INVALID, INVALID, INVALID, 8167c478bd9Sstevel@tonic-gate }, { 8177c478bd9Sstevel@tonic-gate /* [20] */ TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), 8187c478bd9Sstevel@tonic-gate /* [24] */ TSx("mov",SREG), INVALID, TSx("mov",SREG), INVALID, 8197c478bd9Sstevel@tonic-gate /* [28] */ TNSZ("movaps",XMMO,16), TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16), 8207c478bd9Sstevel@tonic-gate /* [2C] */ TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4), 8217c478bd9Sstevel@tonic-gate }, { 8227c478bd9Sstevel@tonic-gate /* [30] */ TNS("wrmsr",NORM), TNS("rdtsc",NORM), TNS("rdmsr",NORM), TNS("rdpmc",NORM), 8237c478bd9Sstevel@tonic-gate /* [34] */ TNSx("sysenter",NORM), TNSx("sysexit",NORM), INVALID, INVALID, 8247c478bd9Sstevel@tonic-gate /* [38] */ INVALID, INVALID, INVALID, INVALID, 8257c478bd9Sstevel@tonic-gate /* [3C] */ INVALID, INVALID, INVALID, INVALID, 8267c478bd9Sstevel@tonic-gate }, { 8277c478bd9Sstevel@tonic-gate /* [40] */ TS("cmovx.o",MR), TS("cmovx.no",MR), TS("cmovx.b",MR), TS("cmovx.ae",MR), 8287c478bd9Sstevel@tonic-gate /* [44] */ TS("cmovx.e",MR), TS("cmovx.ne",MR), TS("cmovx.be",MR), TS("cmovx.a",MR), 8297c478bd9Sstevel@tonic-gate /* [48] */ TS("cmovx.s",MR), TS("cmovx.ns",MR), TS("cmovx.pe",MR), TS("cmovx.po",MR), 8307c478bd9Sstevel@tonic-gate /* [4C] */ TS("cmovx.l",MR), TS("cmovx.ge",MR), TS("cmovx.le",MR), TS("cmovx.g",MR), 8317c478bd9Sstevel@tonic-gate }, { 8327c478bd9Sstevel@tonic-gate /* [50] */ TNS("movmskps",XMMOX3), TNSZ("sqrtps",XMMO,16), TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16), 8337c478bd9Sstevel@tonic-gate /* [54] */ TNSZ("andps",XMMO,16), TNSZ("andnps",XMMO,16), TNSZ("orps",XMMO,16), TNSZ("xorps",XMMO,16), 8347c478bd9Sstevel@tonic-gate /* [58] */ TNSZ("addps",XMMO,16), TNSZ("mulps",XMMO,16), TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16), 8357c478bd9Sstevel@tonic-gate /* [5C] */ TNSZ("subps",XMMO,16), TNSZ("minps",XMMO,16), TNSZ("divps",XMMO,16), TNSZ("maxps",XMMO,16), 8367c478bd9Sstevel@tonic-gate }, { 8377c478bd9Sstevel@tonic-gate /* [60] */ TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8), 8387c478bd9Sstevel@tonic-gate /* [64] */ TNSZ("pcmpgtb",MMO,8), TNSZ("pcmpgtw",MMO,8), TNSZ("pcmpgtd",MMO,8), TNSZ("packuswb",MMO,8), 8397c478bd9Sstevel@tonic-gate /* [68] */ TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8), 8407c478bd9Sstevel@tonic-gate /* [6C] */ TNSZ("INVALID",MMO,0), TNSZ("INVALID",MMO,0), TNSZ("movd",MMO,4), TNSZ("movq",MMO,8), 8417c478bd9Sstevel@tonic-gate }, { 8427c478bd9Sstevel@tonic-gate /* [70] */ TNSZ("pshufw",MMOPM,8), TNS("psrXXX",MR), TNS("psrXXX",MR), TNS("psrXXX",MR), 8437c478bd9Sstevel@tonic-gate /* [74] */ TNSZ("pcmpeqb",MMO,8), TNSZ("pcmpeqw",MMO,8), TNSZ("pcmpeqd",MMO,8), TNS("emms",NORM), 8447c478bd9Sstevel@tonic-gate /* [78] */ INVALID, INVALID, INVALID, INVALID, 8457c478bd9Sstevel@tonic-gate /* [7C] */ INVALID, INVALID, TNSZ("movd",MMOS,4), TNSZ("movq",MMOS,8), 8467c478bd9Sstevel@tonic-gate }, { 8477c478bd9Sstevel@tonic-gate /* [80] */ TNS("jo",D), TNS("jno",D), TNS("jb",D), TNS("jae",D), 8487c478bd9Sstevel@tonic-gate /* [84] */ TNS("je",D), TNS("jne",D), TNS("jbe",D), TNS("ja",D), 8497c478bd9Sstevel@tonic-gate /* [88] */ TNS("js",D), TNS("jns",D), TNS("jp",D), TNS("jnp",D), 8507c478bd9Sstevel@tonic-gate /* [8C] */ TNS("jl",D), TNS("jge",D), TNS("jle",D), TNS("jg",D), 8517c478bd9Sstevel@tonic-gate }, { 8527c478bd9Sstevel@tonic-gate /* [90] */ TNS("seto",Mb), TNS("setno",Mb), TNS("setb",Mb), TNS("setae",Mb), 8537c478bd9Sstevel@tonic-gate /* [94] */ TNS("sete",Mb), TNS("setne",Mb), TNS("setbe",Mb), TNS("seta",Mb), 8547c478bd9Sstevel@tonic-gate /* [98] */ TNS("sets",Mb), TNS("setns",Mb), TNS("setp",Mb), TNS("setnp",Mb), 8557c478bd9Sstevel@tonic-gate /* [9C] */ TNS("setl",Mb), TNS("setge",Mb), TNS("setle",Mb), TNS("setg",Mb), 8567c478bd9Sstevel@tonic-gate }, { 8577c478bd9Sstevel@tonic-gate /* [A0] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("cpuid",NORM), TS("bt",RMw), 8587c478bd9Sstevel@tonic-gate /* [A4] */ TS("shld",DSHIFT), TS("shld",DSHIFTcl), INVALID, INVALID, 8597c478bd9Sstevel@tonic-gate /* [A8] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("rsm",NORM), TS("bts",RMw), 8607c478bd9Sstevel@tonic-gate /* [AC] */ TS("shrd",DSHIFT), TS("shrd",DSHIFTcl), IND(dis_op0FAE), TS("imul",MRw), 8617c478bd9Sstevel@tonic-gate }, { 8627c478bd9Sstevel@tonic-gate /* [B0] */ TNS("cmpxchgb",RMw), TS("cmpxchg",RMw), TS("lss",MR), TS("btr",RMw), 8637c478bd9Sstevel@tonic-gate /* [B4] */ TS("lfs",MR), TS("lgs",MR), TS("movzb",MOVZ), TNS("movzwl",MOVZ), 8647c478bd9Sstevel@tonic-gate /* [B8] */ INVALID, INVALID, IND(dis_op0FBA), TS("btc",RMw), 8657c478bd9Sstevel@tonic-gate /* [BC] */ TS("bsf",MRw), TS("bsr",MRw), TS("movsb",MOVZ), TNS("movswl",MOVZ), 8667c478bd9Sstevel@tonic-gate }, { 8677c478bd9Sstevel@tonic-gate /* [C0] */ TNS("xaddb",XADDB), TS("xadd",RMw), TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM), 8687c478bd9Sstevel@tonic-gate /* [C4] */ TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7), 8697c478bd9Sstevel@tonic-gate /* [C8] */ INVALID, INVALID, INVALID, INVALID, 8707c478bd9Sstevel@tonic-gate /* [CC] */ INVALID, INVALID, INVALID, INVALID, 8717c478bd9Sstevel@tonic-gate }, { 8727c478bd9Sstevel@tonic-gate /* [D0] */ INVALID, TNSZ("psrlw",MMO,8), TNSZ("psrld",MMO,8), TNSZ("psrlq",MMO,8), 8737c478bd9Sstevel@tonic-gate /* [D4] */ TNSZ("paddq",MMO,8), TNSZ("pmullw",MMO,8), TNSZ("INVALID",MMO,0), TNS("pmovmskb",MMOM3), 8747c478bd9Sstevel@tonic-gate /* [D8] */ TNSZ("psubusb",MMO,8), TNSZ("psubusw",MMO,8), TNSZ("pminub",MMO,8), TNSZ("pand",MMO,8), 8757c478bd9Sstevel@tonic-gate /* [DC] */ TNSZ("paddusb",MMO,8), TNSZ("paddusw",MMO,8), TNSZ("pmaxub",MMO,8), TNSZ("pandn",MMO,8), 8767c478bd9Sstevel@tonic-gate }, { 8777c478bd9Sstevel@tonic-gate /* [E0] */ TNSZ("pavgb",MMO,8), TNSZ("psraw",MMO,8), TNSZ("psrad",MMO,8), TNSZ("pavgw",MMO,8), 8787c478bd9Sstevel@tonic-gate /* [E4] */ TNSZ("pmulhuw",MMO,8), TNSZ("pmulhw",MMO,8), TNS("INVALID",XMMO), TNSZ("movntq",MMOMS,8), 8797c478bd9Sstevel@tonic-gate /* [E8] */ TNSZ("psubsb",MMO,8), TNSZ("psubsw",MMO,8), TNSZ("pminsw",MMO,8), TNSZ("por",MMO,8), 8807c478bd9Sstevel@tonic-gate /* [EC] */ TNSZ("paddsb",MMO,8), TNSZ("paddsw",MMO,8), TNSZ("pmaxsw",MMO,8), TNSZ("pxor",MMO,8), 8817c478bd9Sstevel@tonic-gate }, { 8827c478bd9Sstevel@tonic-gate /* [F0] */ INVALID, TNSZ("psllw",MMO,8), TNSZ("pslld",MMO,8), TNSZ("psllq",MMO,8), 8837c478bd9Sstevel@tonic-gate /* [F4] */ TNSZ("pmuludq",MMO,8), TNSZ("pmaddwd",MMO,8), TNSZ("psadbw",MMO,8), TNSZ("maskmovq",MMOIMPL,8), 8847c478bd9Sstevel@tonic-gate /* [F8] */ TNSZ("psubb",MMO,8), TNSZ("psubw",MMO,8), TNSZ("psubd",MMO,8), TNSZ("psubq",MMO,8), 8857c478bd9Sstevel@tonic-gate /* [FC] */ TNSZ("paddb",MMO,8), TNSZ("paddw",MMO,8), TNSZ("paddd",MMO,8), INVALID, 8867c478bd9Sstevel@tonic-gate } }; 8877c478bd9Sstevel@tonic-gate 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * Decode table for 0x80 opcodes 8917c478bd9Sstevel@tonic-gate */ 8927c478bd9Sstevel@tonic-gate 8937c478bd9Sstevel@tonic-gate const instable_t dis_op80[8] = { 8947c478bd9Sstevel@tonic-gate 8957c478bd9Sstevel@tonic-gate /* [0] */ TNS("addb",IMlw), TNS("orb",IMw), TNS("adcb",IMlw), TNS("sbbb",IMlw), 8967c478bd9Sstevel@tonic-gate /* [4] */ TNS("andb",IMw), TNS("subb",IMlw), TNS("xorb",IMw), TNS("cmpb",IMlw), 8977c478bd9Sstevel@tonic-gate }; 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate 9007c478bd9Sstevel@tonic-gate /* 9017c478bd9Sstevel@tonic-gate * Decode table for 0x81 opcodes. 9027c478bd9Sstevel@tonic-gate */ 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate const instable_t dis_op81[8] = { 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMw), TS("adc",IMlw), TS("sbb",IMlw), 9077c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMw), TS("sub",IMlw), TS("xor",IMw), TS("cmp",IMlw), 9087c478bd9Sstevel@tonic-gate }; 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate /* 9127c478bd9Sstevel@tonic-gate * Decode table for 0x82 opcodes. 9137c478bd9Sstevel@tonic-gate */ 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate const instable_t dis_op82[8] = { 9167c478bd9Sstevel@tonic-gate 9177c478bd9Sstevel@tonic-gate /* [0] */ TNSx("addb",IMlw), TNSx("orb",IMlw), TNSx("adcb",IMlw), TNSx("sbbb",IMlw), 9187c478bd9Sstevel@tonic-gate /* [4] */ TNSx("andb",IMlw), TNSx("subb",IMlw), TNSx("xorb",IMlw), TNSx("cmpb",IMlw), 9197c478bd9Sstevel@tonic-gate }; 9207c478bd9Sstevel@tonic-gate /* 9217c478bd9Sstevel@tonic-gate * Decode table for 0x83 opcodes. 9227c478bd9Sstevel@tonic-gate */ 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate const instable_t dis_op83[8] = { 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate /* [0] */ TS("add",IMlw), TS("or",IMlw), TS("adc",IMlw), TS("sbb",IMlw), 9277c478bd9Sstevel@tonic-gate /* [4] */ TS("and",IMlw), TS("sub",IMlw), TS("xor",IMlw), TS("cmp",IMlw), 9287c478bd9Sstevel@tonic-gate }; 9297c478bd9Sstevel@tonic-gate 9307c478bd9Sstevel@tonic-gate /* 9317c478bd9Sstevel@tonic-gate * Decode table for 0xC0 opcodes. 9327c478bd9Sstevel@tonic-gate */ 9337c478bd9Sstevel@tonic-gate 9347c478bd9Sstevel@tonic-gate const instable_t dis_opC0[8] = { 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",MvI), TNS("rorb",MvI), TNS("rclb",MvI), TNS("rcrb",MvI), 9377c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",MvI), TNS("shrb",MvI), INVALID, TNS("sarb",MvI), 9387c478bd9Sstevel@tonic-gate }; 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate /* 9417c478bd9Sstevel@tonic-gate * Decode table for 0xD0 opcodes. 9427c478bd9Sstevel@tonic-gate */ 9437c478bd9Sstevel@tonic-gate 9447c478bd9Sstevel@tonic-gate const instable_t dis_opD0[8] = { 9457c478bd9Sstevel@tonic-gate 9467c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 9477c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 9487c478bd9Sstevel@tonic-gate }; 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate /* 9517c478bd9Sstevel@tonic-gate * Decode table for 0xC1 opcodes. 9527c478bd9Sstevel@tonic-gate * 186 instruction set 9537c478bd9Sstevel@tonic-gate */ 9547c478bd9Sstevel@tonic-gate 9557c478bd9Sstevel@tonic-gate const instable_t dis_opC1[8] = { 9567c478bd9Sstevel@tonic-gate 9577c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",MvI), TS("ror",MvI), TS("rcl",MvI), TS("rcr",MvI), 9587c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",MvI), TS("shr",MvI), TS("sal",MvI), TS("sar",MvI), 9597c478bd9Sstevel@tonic-gate }; 9607c478bd9Sstevel@tonic-gate 9617c478bd9Sstevel@tonic-gate /* 9627c478bd9Sstevel@tonic-gate * Decode table for 0xD1 opcodes. 9637c478bd9Sstevel@tonic-gate */ 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate const instable_t dis_opD1[8] = { 9667c478bd9Sstevel@tonic-gate 9677c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 9687c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("sal",Mv), TS("sar",Mv), 9697c478bd9Sstevel@tonic-gate }; 9707c478bd9Sstevel@tonic-gate 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate /* 9737c478bd9Sstevel@tonic-gate * Decode table for 0xD2 opcodes. 9747c478bd9Sstevel@tonic-gate */ 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate const instable_t dis_opD2[8] = { 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 9797c478bd9Sstevel@tonic-gate /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 9807c478bd9Sstevel@tonic-gate }; 9817c478bd9Sstevel@tonic-gate /* 9827c478bd9Sstevel@tonic-gate * Decode table for 0xD3 opcodes. 9837c478bd9Sstevel@tonic-gate */ 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate const instable_t dis_opD3[8] = { 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 9887c478bd9Sstevel@tonic-gate /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("salb",Mv), TS("sar",Mv), 9897c478bd9Sstevel@tonic-gate }; 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate /* 9937c478bd9Sstevel@tonic-gate * Decode table for 0xF6 opcodes. 9947c478bd9Sstevel@tonic-gate */ 9957c478bd9Sstevel@tonic-gate 9967c478bd9Sstevel@tonic-gate const instable_t dis_opF6[8] = { 9977c478bd9Sstevel@tonic-gate 9987c478bd9Sstevel@tonic-gate /* [0] */ TNS("testb",IMw), TNS("testb",IMw), TNS("notb",Mw), TNS("negb",Mw), 9997c478bd9Sstevel@tonic-gate /* [4] */ TNS("mulb",MA), TNS("imulb",MA), TNS("divb",MA), TNS("idivb",MA), 10007c478bd9Sstevel@tonic-gate }; 10017c478bd9Sstevel@tonic-gate 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate /* 10047c478bd9Sstevel@tonic-gate * Decode table for 0xF7 opcodes. 10057c478bd9Sstevel@tonic-gate */ 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate const instable_t dis_opF7[8] = { 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate /* [0] */ TS("test",IMw), TS("test",IMw), TS("not",Mw), TS("neg",Mw), 10107c478bd9Sstevel@tonic-gate /* [4] */ TS("mul",MA), TS("imul",MA), TS("div",MA), TS("idiv",MA), 10117c478bd9Sstevel@tonic-gate }; 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate /* 10157c478bd9Sstevel@tonic-gate * Decode table for 0xFE opcodes. 10167c478bd9Sstevel@tonic-gate */ 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate const instable_t dis_opFE[8] = { 10197c478bd9Sstevel@tonic-gate 10207c478bd9Sstevel@tonic-gate /* [0] */ TNS("incb",Mw), TNS("decb",Mw), INVALID, INVALID, 10217c478bd9Sstevel@tonic-gate /* [4] */ INVALID, INVALID, INVALID, INVALID, 10227c478bd9Sstevel@tonic-gate }; 10237c478bd9Sstevel@tonic-gate /* 10247c478bd9Sstevel@tonic-gate * Decode table for 0xFF opcodes. 10257c478bd9Sstevel@tonic-gate */ 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate const instable_t dis_opFF[8] = { 10287c478bd9Sstevel@tonic-gate 10297c478bd9Sstevel@tonic-gate /* [0] */ TS("inc",Mw), TS("dec",Mw), TNSyp("call",INM), TNS("lcall",INM), 10307c478bd9Sstevel@tonic-gate /* [4] */ TNSy("jmp",INM), TNS("ljmp",INM), TSp("push",M), INVALID, 10317c478bd9Sstevel@tonic-gate }; 10327c478bd9Sstevel@tonic-gate 10337c478bd9Sstevel@tonic-gate /* for 287 instructions, which are a mess to decode */ 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate const instable_t dis_opFP1n2[8][8] = { 10367c478bd9Sstevel@tonic-gate { 10377c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx MODxx xR/M */ 10387c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadds",M), TNS("fmuls",M), TNS("fcoms",M), TNS("fcomps",M), 10397c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsubs",M), TNS("fsubrs",M), TNS("fdivs",M), TNS("fdivrs",M), 10407c478bd9Sstevel@tonic-gate }, { 10417c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("flds",M), INVALID, TNS("fsts",M), TNS("fstps",M), 10427c478bd9Sstevel@tonic-gate /* [1,4] */ TNSZ("fldenv",M,28), TNSZ("fldcw",M,2), TNSZ("fnstenv",M,28), TNSZ("fnstcw",M,2), 10437c478bd9Sstevel@tonic-gate }, { 10447c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("fiaddl",M), TNS("fimull",M), TNS("ficoml",M), TNS("ficompl",M), 10457c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fisubl",M), TNS("fisubrl",M), TNS("fidivl",M), TNS("fidivrl",M), 10467c478bd9Sstevel@tonic-gate }, { 10477c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fildl",M), INVALID, TNS("fistl",M), TNS("fistpl",M), 10487c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, TNSZ("fldt",M,10), INVALID, TNSZ("fstpt",M,10), 10497c478bd9Sstevel@tonic-gate }, { 10507c478bd9Sstevel@tonic-gate /* [4,0] */ TNSZ("faddl",M,8), TNSZ("fmull",M,8), TNSZ("fcoml",M,8), TNSZ("fcompl",M,8), 10517c478bd9Sstevel@tonic-gate /* [4,1] */ TNSZ("fsubl",M,8), TNSZ("fsubrl",M,8), TNSZ("fdivl",M,8), TNSZ("fdivrl",M,8), 10527c478bd9Sstevel@tonic-gate }, { 10537c478bd9Sstevel@tonic-gate /* [5,0] */ TNSZ("fldl",M,8), INVALID, TNSZ("fstl",M,8), TNSZ("fstpl",M,8), 10547c478bd9Sstevel@tonic-gate /* [5,4] */ TNSZ("frstor",M,108), INVALID, TNSZ("fnsave",M,108), TNSZ("fnstsw",M,2), 10557c478bd9Sstevel@tonic-gate }, { 10567c478bd9Sstevel@tonic-gate /* [6,0] */ TNSZ("fiadd",M,2), TNSZ("fimul",M,2), TNSZ("ficom",M,2), TNSZ("ficomp",M,2), 10577c478bd9Sstevel@tonic-gate /* [6,4] */ TNSZ("fisub",M,2), TNSZ("fisubr",M,2), TNSZ("fidiv",M,2), TNSZ("fidivr",M,2), 10587c478bd9Sstevel@tonic-gate }, { 10597c478bd9Sstevel@tonic-gate /* [7,0] */ TNSZ("fild",M,2), INVALID, TNSZ("fist",M,2), TNSZ("fistp",M,2), 10607c478bd9Sstevel@tonic-gate /* [7,4] */ TNSZ("fbld",M,10), TNSZ("fildll",M,8), TNSZ("fbstp",M,10), TNSZ("fistpll",M,8), 10617c478bd9Sstevel@tonic-gate } }; 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate const instable_t dis_opFP3[8][8] = { 10647c478bd9Sstevel@tonic-gate { 10657c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1xxx 11xx xREG */ 10667c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 10677c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 10687c478bd9Sstevel@tonic-gate }, { 10697c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld",F), TNS("fxch",F), TNS("fnop",NORM), TNS("fstp",F), 10707c478bd9Sstevel@tonic-gate /* [1,4] */ INVALID, INVALID, INVALID, INVALID, 10717c478bd9Sstevel@tonic-gate }, { 10727c478bd9Sstevel@tonic-gate /* [2,0] */ INVALID, INVALID, INVALID, INVALID, 10737c478bd9Sstevel@tonic-gate /* [2,4] */ INVALID, TNS("fucompp",NORM), INVALID, INVALID, 10747c478bd9Sstevel@tonic-gate }, { 10757c478bd9Sstevel@tonic-gate /* [3,0] */ INVALID, INVALID, INVALID, INVALID, 10767c478bd9Sstevel@tonic-gate /* [3,4] */ INVALID, INVALID, INVALID, INVALID, 10777c478bd9Sstevel@tonic-gate }, { 10787c478bd9Sstevel@tonic-gate /* [4,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 10797c478bd9Sstevel@tonic-gate /* [4,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 10807c478bd9Sstevel@tonic-gate }, { 10817c478bd9Sstevel@tonic-gate /* [5,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fst",F), TNS("fstp",F), 10827c478bd9Sstevel@tonic-gate /* [5,4] */ TNS("fucom",F), TNS("fucomp",F), INVALID, INVALID, 10837c478bd9Sstevel@tonic-gate }, { 10847c478bd9Sstevel@tonic-gate /* [6,0] */ TNS("faddp",FF), TNS("fmulp",FF), TNS("fcomp",F), TNS("fcompp",NORM), 10857c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("fsubp",FF), TNS("fsubrp",FF), TNS("fdivp",FF), TNS("fdivrp",FF), 10867c478bd9Sstevel@tonic-gate }, { 10877c478bd9Sstevel@tonic-gate /* [7,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fstp",F), TNS("fstp",F), 10887c478bd9Sstevel@tonic-gate /* [7,4] */ TNS("fnstsw",M), TNS("fucomip",FFC), TNS("fcomip",FFC), INVALID, 10897c478bd9Sstevel@tonic-gate } }; 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate const instable_t dis_opFP4[4][8] = { 10927c478bd9Sstevel@tonic-gate { 10937c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1001 111x xxxx */ 10947c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("fchs",NORM), TNS("fabs",NORM), INVALID, INVALID, 10957c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("ftst",NORM), TNS("fxam",NORM), TNS("ftstp",NORM), INVALID, 10967c478bd9Sstevel@tonic-gate }, { 10977c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("fld1",NORM), TNS("fldl2t",NORM), TNS("fldl2e",NORM), TNS("fldpi",NORM), 10987c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("fldlg2",NORM), TNS("fldln2",NORM), TNS("fldz",NORM), INVALID, 10997c478bd9Sstevel@tonic-gate }, { 11007c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("f2xm1",NORM), TNS("fyl2x",NORM), TNS("fptan",NORM), TNS("fpatan",NORM), 11017c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("fxtract",NORM), TNS("fprem1",NORM), TNS("fdecstp",NORM), TNS("fincstp",NORM), 11027c478bd9Sstevel@tonic-gate }, { 11037c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("fprem",NORM), TNS("fyl2xp1",NORM), TNS("fsqrt",NORM), TNS("fsincos",NORM), 11047c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("frndint",NORM), TNS("fscale",NORM), TNS("fsin",NORM), TNS("fcos",NORM), 11057c478bd9Sstevel@tonic-gate } }; 11067c478bd9Sstevel@tonic-gate 11077c478bd9Sstevel@tonic-gate const instable_t dis_opFP5[8] = { 11087c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 111x xxxx */ 11097c478bd9Sstevel@tonic-gate /* [0] */ TNS("feni",NORM), TNS("fdisi",NORM), TNS("fnclex",NORM), TNS("fninit",NORM), 11107c478bd9Sstevel@tonic-gate /* [4] */ TNS("fsetpm",NORM), TNS("frstpm",NORM), INVALID, INVALID, 11117c478bd9Sstevel@tonic-gate }; 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate const instable_t dis_opFP6[8] = { 11147c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1011 11yy yxxx */ 11157c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.nb",FF), TNS("fcmov.ne",FF), TNS("fcmov.nbe",FF), TNS("fcmov.nu",FF), 11167c478bd9Sstevel@tonic-gate /* [04] */ INVALID, TNS("fucomi",F), TNS("fcomi",F), INVALID, 11177c478bd9Sstevel@tonic-gate }; 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate const instable_t dis_opFP7[8] = { 11207c478bd9Sstevel@tonic-gate /* bit pattern: 1101 1010 11yy yxxx */ 11217c478bd9Sstevel@tonic-gate /* [00] */ TNS("fcmov.b",FF), TNS("fcmov.e",FF), TNS("fcmov.be",FF), TNS("fcmov.u",FF), 11227c478bd9Sstevel@tonic-gate /* [04] */ INVALID, INVALID, INVALID, INVALID, 11237c478bd9Sstevel@tonic-gate }; 11247c478bd9Sstevel@tonic-gate 11257c478bd9Sstevel@tonic-gate /* 11267c478bd9Sstevel@tonic-gate * Main decode table for the op codes. The first two nibbles 11277c478bd9Sstevel@tonic-gate * will be used as an index into the table. If there is a 11287c478bd9Sstevel@tonic-gate * a need to further decode an instruction, the array to be 11297c478bd9Sstevel@tonic-gate * referenced is indicated with the other two entries being 11307c478bd9Sstevel@tonic-gate * empty. 11317c478bd9Sstevel@tonic-gate */ 11327c478bd9Sstevel@tonic-gate 11337c478bd9Sstevel@tonic-gate const instable_t dis_distable[16][16] = { 11347c478bd9Sstevel@tonic-gate { 11357c478bd9Sstevel@tonic-gate /* [0,0] */ TNS("addb",RMw), TS("add",RMw), TNS("addb",MRw), TS("add",MRw), 11367c478bd9Sstevel@tonic-gate /* [0,4] */ TNS("addb",IA), TS("add",IA), TSx("push",SEG), TSx("pop",SEG), 11377c478bd9Sstevel@tonic-gate /* [0,8] */ TNS("orb",RMw), TS("or",RMw), TNS("orb",MRw), TS("or",MRw), 11387c478bd9Sstevel@tonic-gate /* [0,C] */ TNS("orb",IA), TS("or",IA), TSx("push",SEG), IND(dis_op0F), 11397c478bd9Sstevel@tonic-gate }, { 11407c478bd9Sstevel@tonic-gate /* [1,0] */ TNS("adcb",RMw), TS("adc",RMw), TNS("adcb",MRw), TS("adc",MRw), 11417c478bd9Sstevel@tonic-gate /* [1,4] */ TNS("adcb",IA), TS("adc",IA), TSx("push",SEG), TSx("pop",SEG), 11427c478bd9Sstevel@tonic-gate /* [1,8] */ TNS("sbbb",RMw), TS("sbb",RMw), TNS("sbbb",MRw), TS("sbb",MRw), 11437c478bd9Sstevel@tonic-gate /* [1,C] */ TNS("sbbb",IA), TS("sbb",IA), TSx("push",SEG), TSx("pop",SEG), 11447c478bd9Sstevel@tonic-gate }, { 11457c478bd9Sstevel@tonic-gate /* [2,0] */ TNS("andb",RMw), TS("and",RMw), TNS("andb",MRw), TS("and",MRw), 11467c478bd9Sstevel@tonic-gate /* [2,4] */ TNS("andb",IA), TS("and",IA), TNSx("%es:",OVERRIDE), TNSx("daa",NORM), 11477c478bd9Sstevel@tonic-gate /* [2,8] */ TNS("subb",RMw), TS("sub",RMw), TNS("subb",MRw), TS("sub",MRw), 11487c478bd9Sstevel@tonic-gate /* [2,C] */ TNS("subb",IA), TS("sub",IA), TNSx("%cs:",OVERRIDE), TNSx("das",NORM), 11497c478bd9Sstevel@tonic-gate }, { 11507c478bd9Sstevel@tonic-gate /* [3,0] */ TNS("xorb",RMw), TS("xor",RMw), TNS("xorb",MRw), TS("xor",MRw), 11517c478bd9Sstevel@tonic-gate /* [3,4] */ TNS("xorb",IA), TS("xor",IA), TNSx("%ss:",OVERRIDE), TNSx("aaa",NORM), 11527c478bd9Sstevel@tonic-gate /* [3,8] */ TNS("cmpb",RMw), TS("cmp",RMw), TNS("cmpb",MRw), TS("cmp",MRw), 11537c478bd9Sstevel@tonic-gate /* [3,C] */ TNS("cmpb",IA), TS("cmp",IA), TNSx("%ds:",OVERRIDE), TNSx("aas",NORM), 11547c478bd9Sstevel@tonic-gate }, { 11557c478bd9Sstevel@tonic-gate /* [4,0] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 11567c478bd9Sstevel@tonic-gate /* [4,4] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 11577c478bd9Sstevel@tonic-gate /* [4,8] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 11587c478bd9Sstevel@tonic-gate /* [4,C] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 11597c478bd9Sstevel@tonic-gate }, { 11607c478bd9Sstevel@tonic-gate /* [5,0] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 11617c478bd9Sstevel@tonic-gate /* [5,4] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 11627c478bd9Sstevel@tonic-gate /* [5,8] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 11637c478bd9Sstevel@tonic-gate /* [5,C] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 11647c478bd9Sstevel@tonic-gate }, { 11657c478bd9Sstevel@tonic-gate /* [6,0] */ TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR), TNS("arpl",RMw), 11667c478bd9Sstevel@tonic-gate /* [6,4] */ TNS("%fs:",OVERRIDE), TNS("%gs:",OVERRIDE), TNS("data16",DM), TNS("addr16",AM), 11677c478bd9Sstevel@tonic-gate /* [6,8] */ TSp("push",I), TS("imul",IMUL), TSp("push",Ib), TS("imul",IMUL), 11687c478bd9Sstevel@tonic-gate /* [6,C] */ TNSZ("insb",IMPLMEM,1), TSZ("ins",IMPLMEM,4), TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4), 11697c478bd9Sstevel@tonic-gate }, { 11707c478bd9Sstevel@tonic-gate /* [7,0] */ TNSy("jo",BD), TNSy("jno",BD), TNSy("jb",BD), TNSy("jae",BD), 11717c478bd9Sstevel@tonic-gate /* [7,4] */ TNSy("je",BD), TNSy("jne",BD), TNSy("jbe",BD), TNSy("ja",BD), 11727c478bd9Sstevel@tonic-gate /* [7,8] */ TNSy("js",BD), TNSy("jns",BD), TNSy("jp",BD), TNSy("jnp",BD), 11737c478bd9Sstevel@tonic-gate /* [7,C] */ TNSy("jl",BD), TNSy("jge",BD), TNSy("jle",BD), TNSy("jg",BD), 11747c478bd9Sstevel@tonic-gate }, { 11757c478bd9Sstevel@tonic-gate /* [8,0] */ IND(dis_op80), IND(dis_op81), INDx(dis_op82), IND(dis_op83), 11767c478bd9Sstevel@tonic-gate /* [8,4] */ TNS("testb",RMw), TS("test",RMw), TNS("xchgb",RMw), TS("xchg",RMw), 11777c478bd9Sstevel@tonic-gate /* [8,8] */ TNS("movb",RMw), TS("mov",RMw), TNS("movb",MRw), TS("mov",MRw), 11787c478bd9Sstevel@tonic-gate /* [8,C] */ TNS("movw",SM), TS("lea",MR), TNS("movw",MS), TSp("pop",M), 11797c478bd9Sstevel@tonic-gate }, { 11807c478bd9Sstevel@tonic-gate /* [9,0] */ TNS("nop",NORM), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 11817c478bd9Sstevel@tonic-gate /* [9,4] */ TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 11827c478bd9Sstevel@tonic-gate /* [9,8] */ TNS("cXtX",CBW), TNS("cXtX",CWD), TNSx("lcall",SO), TNS("fwait",NORM), 11837c478bd9Sstevel@tonic-gate /* [9,C] */ TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4), TNSx("sahf",NORM), TNSx("lahf",NORM), 11847c478bd9Sstevel@tonic-gate }, { 11857c478bd9Sstevel@tonic-gate /* [A,0] */ TNS("movb",OA), TS("mov",OA), TNS("movb",AO), TS("mov",AO), 11867c478bd9Sstevel@tonic-gate /* [A,4] */ TNSZ("movsb",SD,1), TS("movs",SD), TNSZ("cmpsb",SD,1), TS("cmps",SD), 11877c478bd9Sstevel@tonic-gate /* [A,8] */ TNS("testb",IA), TS("test",IA), TNS("stosb",AD), TS("stos",AD), 11887c478bd9Sstevel@tonic-gate /* [A,C] */ TNS("lodsb",SA), TS("lods",SA), TNS("scasb",AD), TS("scas",AD), 11897c478bd9Sstevel@tonic-gate }, { 11907c478bd9Sstevel@tonic-gate /* [B,0] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 11917c478bd9Sstevel@tonic-gate /* [B,4] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 11927c478bd9Sstevel@tonic-gate /* [B,8] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 11937c478bd9Sstevel@tonic-gate /* [B,C] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 11947c478bd9Sstevel@tonic-gate }, { 11957c478bd9Sstevel@tonic-gate /* [C,0] */ IND(dis_opC0), IND(dis_opC1), TNSyp("ret",RET), TNSyp("ret",NORM), 11967c478bd9Sstevel@tonic-gate /* [C,4] */ TNSx("les",MR), TNSx("lds",MR), TNS("movb",IMw), TS("mov",IMw), 11977c478bd9Sstevel@tonic-gate /* [C,8] */ TNSyp("enter",ENTER), TNSyp("leave",NORM), TNS("lret",RET), TNS("lret",NORM), 11987c478bd9Sstevel@tonic-gate /* [C,C] */ TNS("int",INT3), TNS("int",INTx), TNSx("into",NORM), TNS("iret",NORM), 11997c478bd9Sstevel@tonic-gate }, { 12007c478bd9Sstevel@tonic-gate /* [D,0] */ IND(dis_opD0), IND(dis_opD1), IND(dis_opD2), IND(dis_opD3), 12017c478bd9Sstevel@tonic-gate /* [D,4] */ TNSx("aam",U), TNSx("aad",U), TNSx("falc",NORM), TNSZ("xlat",IMPLMEM,1), 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate /* 287 instructions. Note that although the indirect field */ 12047c478bd9Sstevel@tonic-gate /* indicates opFP1n2 for further decoding, this is not necessarily */ 12057c478bd9Sstevel@tonic-gate /* the case since the opFP arrays are not partitioned according to key1 */ 12067c478bd9Sstevel@tonic-gate /* and key2. opFP1n2 is given only to indicate that we haven't */ 12077c478bd9Sstevel@tonic-gate /* finished decoding the instruction. */ 12087c478bd9Sstevel@tonic-gate /* [D,8] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 12097c478bd9Sstevel@tonic-gate /* [D,C] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 12107c478bd9Sstevel@tonic-gate }, { 12117c478bd9Sstevel@tonic-gate /* [E,0] */ TNSy("loopnz",BD), TNSy("loopz",BD), TNSy("loop",BD), TNSy("jcxz",BD), 12127c478bd9Sstevel@tonic-gate /* [E,4] */ TNS("inb",P), TS("in",P), TNS("outb",P), TS("out",P), 12137c478bd9Sstevel@tonic-gate /* [E,8] */ TNSyp("call",D), TNSy("jmp",D), TNSx("ljmp",SO), TNSy("jmp",BD), 12147c478bd9Sstevel@tonic-gate /* [E,C] */ TNS("inb",V), TS("in",V), TNS("outb",V), TS("out",V), 12157c478bd9Sstevel@tonic-gate }, { 12167c478bd9Sstevel@tonic-gate /* [F,0] */ TNS("lock",LOCK), TNS("icebp", NORM), TNS("repnz",PREFIX), TNS("repz",PREFIX), 12177c478bd9Sstevel@tonic-gate /* [F,4] */ TNS("hlt",NORM), TNS("cmc",NORM), IND(dis_opF6), IND(dis_opF7), 12187c478bd9Sstevel@tonic-gate /* [F,8] */ TNS("clc",NORM), TNS("stc",NORM), TNS("cli",NORM), TNS("sti",NORM), 12197c478bd9Sstevel@tonic-gate /* [F,C] */ TNS("cld",NORM), TNS("std",NORM), IND(dis_opFE), IND(dis_opFF), 12207c478bd9Sstevel@tonic-gate } }; 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate /* END CSTYLED */ 12237c478bd9Sstevel@tonic-gate 12247c478bd9Sstevel@tonic-gate /* 12257c478bd9Sstevel@tonic-gate * common functions to decode and disassemble an x86 or amd64 instruction 12267c478bd9Sstevel@tonic-gate */ 12277c478bd9Sstevel@tonic-gate 12287c478bd9Sstevel@tonic-gate /* 12297c478bd9Sstevel@tonic-gate * These are the individual fields of a REX prefix. Note that a REX 12307c478bd9Sstevel@tonic-gate * prefix with none of these set is still needed to: 12317c478bd9Sstevel@tonic-gate * - use the MOVSXD (sign extend 32 to 64 bits) instruction 12327c478bd9Sstevel@tonic-gate * - access the %sil, %dil, %bpl, %spl registers 12337c478bd9Sstevel@tonic-gate */ 12347c478bd9Sstevel@tonic-gate #define REX_W 0x08 /* 64 bit operand size when set */ 12357c478bd9Sstevel@tonic-gate #define REX_R 0x04 /* high order bit extension of ModRM reg field */ 12367c478bd9Sstevel@tonic-gate #define REX_X 0x02 /* high order bit extension of SIB index field */ 12377c478bd9Sstevel@tonic-gate #define REX_B 0x01 /* extends ModRM r_m, SIB base, or opcode reg */ 12387c478bd9Sstevel@tonic-gate 12397c478bd9Sstevel@tonic-gate static uint_t opnd_size; /* SIZE16, SIZE32 or SIZE64 */ 12407c478bd9Sstevel@tonic-gate static uint_t addr_size; /* SIZE16, SIZE32 or SIZE64 */ 12417c478bd9Sstevel@tonic-gate 12427c478bd9Sstevel@tonic-gate /* 12437c478bd9Sstevel@tonic-gate * Even in 64 bit mode, usually only 4 byte immediate operands are supported. 12447c478bd9Sstevel@tonic-gate */ 12457c478bd9Sstevel@tonic-gate static int isize[] = {1, 2, 4, 4}; 12467c478bd9Sstevel@tonic-gate static int isize64[] = {1, 2, 4, 8}; 12477c478bd9Sstevel@tonic-gate 12487c478bd9Sstevel@tonic-gate /* 12497c478bd9Sstevel@tonic-gate * Just a bunch of useful macros. 12507c478bd9Sstevel@tonic-gate */ 12517c478bd9Sstevel@tonic-gate #define WBIT(x) (x & 0x1) /* to get w bit */ 12527c478bd9Sstevel@tonic-gate #define REGNO(x) (x & 0x7) /* to get 3 bit register */ 12537c478bd9Sstevel@tonic-gate #define VBIT(x) ((x)>>1 & 0x1) /* to get 'v' bit */ 12547c478bd9Sstevel@tonic-gate #define OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1) 12557c478bd9Sstevel@tonic-gate #define OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1) 12567c478bd9Sstevel@tonic-gate 12577c478bd9Sstevel@tonic-gate #define REG_ONLY 3 /* mode to indicate a register operand (not memory) */ 12587c478bd9Sstevel@tonic-gate 12597c478bd9Sstevel@tonic-gate #define BYTE_OPND 0 /* w-bit value indicating byte register */ 12607c478bd9Sstevel@tonic-gate #define LONG_OPND 1 /* w-bit value indicating opnd_size register */ 12617c478bd9Sstevel@tonic-gate #define MM_OPND 2 /* "value" used to indicate a mmx reg */ 12627c478bd9Sstevel@tonic-gate #define XMM_OPND 3 /* "value" used to indicate a xmm reg */ 12637c478bd9Sstevel@tonic-gate #define SEG_OPND 4 /* "value" used to indicate a segment reg */ 12647c478bd9Sstevel@tonic-gate #define CONTROL_OPND 5 /* "value" used to indicate a control reg */ 12657c478bd9Sstevel@tonic-gate #define DEBUG_OPND 6 /* "value" used to indicate a debug reg */ 12667c478bd9Sstevel@tonic-gate #define TEST_OPND 7 /* "value" used to indicate a test reg */ 12677c478bd9Sstevel@tonic-gate #define WORD_OPND 8 /* w-bit value indicating word size reg */ 12687c478bd9Sstevel@tonic-gate 12697c478bd9Sstevel@tonic-gate /* 12707c478bd9Sstevel@tonic-gate * Get the next byte and separate the op code into the high and low nibbles. 12717c478bd9Sstevel@tonic-gate */ 12727c478bd9Sstevel@tonic-gate static int 12737c478bd9Sstevel@tonic-gate dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low) 12747c478bd9Sstevel@tonic-gate { 12757c478bd9Sstevel@tonic-gate int byte; 12767c478bd9Sstevel@tonic-gate 12777c478bd9Sstevel@tonic-gate /* 12787c478bd9Sstevel@tonic-gate * x86 instructions have a maximum length of 15 bytes. Bail out if 12797c478bd9Sstevel@tonic-gate * we try to read more. 12807c478bd9Sstevel@tonic-gate */ 12817c478bd9Sstevel@tonic-gate if (x->d86_len >= 15) 12827c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 12837c478bd9Sstevel@tonic-gate 12847c478bd9Sstevel@tonic-gate if (x->d86_error) 12857c478bd9Sstevel@tonic-gate return (1); 12867c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 12877c478bd9Sstevel@tonic-gate if (byte < 0) 12887c478bd9Sstevel@tonic-gate return (x->d86_error = 1); 12897c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 12907c478bd9Sstevel@tonic-gate *low = byte & 0xf; /* ----xxxx low 4 bits */ 12917c478bd9Sstevel@tonic-gate *high = byte >> 4 & 0xf; /* xxxx---- bits 7 to 4 */ 12927c478bd9Sstevel@tonic-gate return (0); 12937c478bd9Sstevel@tonic-gate } 12947c478bd9Sstevel@tonic-gate 12957c478bd9Sstevel@tonic-gate /* 12967c478bd9Sstevel@tonic-gate * Get and decode an SIB (scaled index base) byte 12977c478bd9Sstevel@tonic-gate */ 12987c478bd9Sstevel@tonic-gate static void 12997c478bd9Sstevel@tonic-gate dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base) 13007c478bd9Sstevel@tonic-gate { 13017c478bd9Sstevel@tonic-gate int byte; 13027c478bd9Sstevel@tonic-gate 13037c478bd9Sstevel@tonic-gate if (x->d86_error) 13047c478bd9Sstevel@tonic-gate return; 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 13077c478bd9Sstevel@tonic-gate if (byte < 0) { 13087c478bd9Sstevel@tonic-gate x->d86_error = 1; 13097c478bd9Sstevel@tonic-gate return; 13107c478bd9Sstevel@tonic-gate } 13117c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate *base = byte & 0x7; 13147c478bd9Sstevel@tonic-gate *index = (byte >> 3) & 0x7; 13157c478bd9Sstevel@tonic-gate *ss = (byte >> 6) & 0x3; 13167c478bd9Sstevel@tonic-gate } 13177c478bd9Sstevel@tonic-gate 13187c478bd9Sstevel@tonic-gate /* 13197c478bd9Sstevel@tonic-gate * Get the byte following the op code and separate it into the 13207c478bd9Sstevel@tonic-gate * mode, register, and r/m fields. 13217c478bd9Sstevel@tonic-gate */ 13227c478bd9Sstevel@tonic-gate static void 13237c478bd9Sstevel@tonic-gate dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m) 13247c478bd9Sstevel@tonic-gate { 13257c478bd9Sstevel@tonic-gate if (x->d86_got_modrm == 0) { 13267c478bd9Sstevel@tonic-gate if (x->d86_rmindex == -1) 13277c478bd9Sstevel@tonic-gate x->d86_rmindex = x->d86_len; 13287c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, mode, reg, r_m); 13297c478bd9Sstevel@tonic-gate x->d86_got_modrm = 1; 13307c478bd9Sstevel@tonic-gate } 13317c478bd9Sstevel@tonic-gate } 13327c478bd9Sstevel@tonic-gate 13337c478bd9Sstevel@tonic-gate /* 13347c478bd9Sstevel@tonic-gate * Adjust register selection based on any REX prefix bits present. 13357c478bd9Sstevel@tonic-gate */ 13367c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 13377c478bd9Sstevel@tonic-gate static void 13387c478bd9Sstevel@tonic-gate dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m) 13397c478bd9Sstevel@tonic-gate { 13407c478bd9Sstevel@tonic-gate if (reg != NULL && r_m == NULL) { 13417c478bd9Sstevel@tonic-gate if (rex_prefix & REX_B) 13427c478bd9Sstevel@tonic-gate *reg += 8; 13437c478bd9Sstevel@tonic-gate } else { 13447c478bd9Sstevel@tonic-gate if (reg != NULL && (REX_R & rex_prefix) != 0) 13457c478bd9Sstevel@tonic-gate *reg += 8; 13467c478bd9Sstevel@tonic-gate if (r_m != NULL && (REX_B & rex_prefix) != 0) 13477c478bd9Sstevel@tonic-gate *r_m += 8; 13487c478bd9Sstevel@tonic-gate } 13497c478bd9Sstevel@tonic-gate } 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate /* 13527c478bd9Sstevel@tonic-gate * Get an immediate operand of the given size, with sign extension. 13537c478bd9Sstevel@tonic-gate */ 13547c478bd9Sstevel@tonic-gate static void 13557c478bd9Sstevel@tonic-gate dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex) 13567c478bd9Sstevel@tonic-gate { 13577c478bd9Sstevel@tonic-gate int i; 13587c478bd9Sstevel@tonic-gate int byte; 13597c478bd9Sstevel@tonic-gate int valsize; 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 13627c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 13637c478bd9Sstevel@tonic-gate 13647c478bd9Sstevel@tonic-gate switch (wbit) { 13657c478bd9Sstevel@tonic-gate case BYTE_OPND: 13667c478bd9Sstevel@tonic-gate valsize = 1; 13677c478bd9Sstevel@tonic-gate break; 13687c478bd9Sstevel@tonic-gate case LONG_OPND: 13697c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 13707c478bd9Sstevel@tonic-gate valsize = 2; 13717c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 13727c478bd9Sstevel@tonic-gate valsize = 4; 13737c478bd9Sstevel@tonic-gate else 13747c478bd9Sstevel@tonic-gate valsize = 8; 13757c478bd9Sstevel@tonic-gate break; 13767c478bd9Sstevel@tonic-gate case MM_OPND: 13777c478bd9Sstevel@tonic-gate case XMM_OPND: 13787c478bd9Sstevel@tonic-gate case SEG_OPND: 13797c478bd9Sstevel@tonic-gate case CONTROL_OPND: 13807c478bd9Sstevel@tonic-gate case DEBUG_OPND: 13817c478bd9Sstevel@tonic-gate case TEST_OPND: 13827c478bd9Sstevel@tonic-gate valsize = size; 13837c478bd9Sstevel@tonic-gate break; 13847c478bd9Sstevel@tonic-gate case WORD_OPND: 13857c478bd9Sstevel@tonic-gate valsize = 2; 13867c478bd9Sstevel@tonic-gate break; 13877c478bd9Sstevel@tonic-gate } 13887c478bd9Sstevel@tonic-gate if (valsize < size) 13897c478bd9Sstevel@tonic-gate valsize = size; 13907c478bd9Sstevel@tonic-gate 13917c478bd9Sstevel@tonic-gate if (x->d86_error) 13927c478bd9Sstevel@tonic-gate return; 13937c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value = 0; 13947c478bd9Sstevel@tonic-gate for (i = 0; i < size; ++i) { 13957c478bd9Sstevel@tonic-gate byte = x->d86_get_byte(x->d86_data); 13967c478bd9Sstevel@tonic-gate if (byte < 0) { 13977c478bd9Sstevel@tonic-gate x->d86_error = 1; 13987c478bd9Sstevel@tonic-gate return; 13997c478bd9Sstevel@tonic-gate } 14007c478bd9Sstevel@tonic-gate x->d86_bytes[x->d86_len++] = byte; 14017c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8); 14027c478bd9Sstevel@tonic-gate } 14037c478bd9Sstevel@tonic-gate /* Do sign extension */ 14047c478bd9Sstevel@tonic-gate if (x->d86_bytes[x->d86_len - 1] & 0x80) { 1405*d267098bSdmick for (; i < sizeof (uint64_t); i++) 14067c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value |= 1407*d267098bSdmick (uint64_t)0xff << (i * 8); 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 14107c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 14117c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_value_size = valsize; 14127c478bd9Sstevel@tonic-gate x->d86_imm_bytes += size; 14137c478bd9Sstevel@tonic-gate #endif 14147c478bd9Sstevel@tonic-gate } 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate /* 14177c478bd9Sstevel@tonic-gate * Get an ip relative operand of the given size, with sign extension. 14187c478bd9Sstevel@tonic-gate */ 14197c478bd9Sstevel@tonic-gate static void 14207c478bd9Sstevel@tonic-gate dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex) 14217c478bd9Sstevel@tonic-gate { 14227c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, size, opindex); 14237c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 14247c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_IPREL; 14257c478bd9Sstevel@tonic-gate #endif 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate /* 14297c478bd9Sstevel@tonic-gate * Check to see if there is a segment override prefix pending. 14307c478bd9Sstevel@tonic-gate * If so, print it in the current 'operand' location and set 14317c478bd9Sstevel@tonic-gate * the override flag back to false. 14327c478bd9Sstevel@tonic-gate */ 14337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 14347c478bd9Sstevel@tonic-gate static void 14357c478bd9Sstevel@tonic-gate dtrace_check_override(dis86_t *x, int opindex) 14367c478bd9Sstevel@tonic-gate { 14377c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 14387c478bd9Sstevel@tonic-gate if (x->d86_seg_prefix) { 1439dc0093f4Seschrock (void) strlcat(x->d86_opnd[opindex].d86_prefix, 14407c478bd9Sstevel@tonic-gate x->d86_seg_prefix, PFIXLEN); 14417c478bd9Sstevel@tonic-gate } 14427c478bd9Sstevel@tonic-gate #endif 14437c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate /* 14487c478bd9Sstevel@tonic-gate * Process a single instruction Register or Memory operand. 14497c478bd9Sstevel@tonic-gate * 14507c478bd9Sstevel@tonic-gate * mode = addressing mode from ModRM byte 14517c478bd9Sstevel@tonic-gate * r_m = r_m (or reg if mode == 3) field from ModRM byte 14527c478bd9Sstevel@tonic-gate * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use. 14537c478bd9Sstevel@tonic-gate * o = index of operand that we are processing (0, 1 or 2) 14547c478bd9Sstevel@tonic-gate * 14557c478bd9Sstevel@tonic-gate * the value of reg or r_m must have already been adjusted for any REX prefix. 14567c478bd9Sstevel@tonic-gate */ 14577c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 14587c478bd9Sstevel@tonic-gate static void 14597c478bd9Sstevel@tonic-gate dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex) 14607c478bd9Sstevel@tonic-gate { 14617c478bd9Sstevel@tonic-gate int have_SIB = 0; /* flag presence of scale-index-byte */ 14627c478bd9Sstevel@tonic-gate uint_t ss; /* scale-factor from opcode */ 14637c478bd9Sstevel@tonic-gate uint_t index; /* index register number */ 14647c478bd9Sstevel@tonic-gate uint_t base; /* base register number */ 14657c478bd9Sstevel@tonic-gate int dispsize; /* size of displacement in bytes */ 14667c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 14677c478bd9Sstevel@tonic-gate char *opnd = x->d86_opnd[opindex].d86_opnd; 14687c478bd9Sstevel@tonic-gate #endif 14697c478bd9Sstevel@tonic-gate 14707c478bd9Sstevel@tonic-gate if (x->d86_numopnds < opindex + 1) 14717c478bd9Sstevel@tonic-gate x->d86_numopnds = opindex + 1; 14727c478bd9Sstevel@tonic-gate 14737c478bd9Sstevel@tonic-gate if (x->d86_error) 14747c478bd9Sstevel@tonic-gate return; 14757c478bd9Sstevel@tonic-gate 14767c478bd9Sstevel@tonic-gate /* 14777c478bd9Sstevel@tonic-gate * first handle a simple register 14787c478bd9Sstevel@tonic-gate */ 14797c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 14807c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 14817c478bd9Sstevel@tonic-gate switch (wbit) { 14827c478bd9Sstevel@tonic-gate case MM_OPND: 1483dc0093f4Seschrock (void) strlcat(opnd, dis_MMREG[r_m], OPLEN); 14847c478bd9Sstevel@tonic-gate break; 14857c478bd9Sstevel@tonic-gate case XMM_OPND: 1486dc0093f4Seschrock (void) strlcat(opnd, dis_XMMREG[r_m], OPLEN); 14877c478bd9Sstevel@tonic-gate break; 14887c478bd9Sstevel@tonic-gate case SEG_OPND: 1489dc0093f4Seschrock (void) strlcat(opnd, dis_SEGREG[r_m], OPLEN); 14907c478bd9Sstevel@tonic-gate break; 14917c478bd9Sstevel@tonic-gate case CONTROL_OPND: 1492dc0093f4Seschrock (void) strlcat(opnd, dis_CONTROLREG[r_m], OPLEN); 14937c478bd9Sstevel@tonic-gate break; 14947c478bd9Sstevel@tonic-gate case DEBUG_OPND: 1495dc0093f4Seschrock (void) strlcat(opnd, dis_DEBUGREG[r_m], OPLEN); 14967c478bd9Sstevel@tonic-gate break; 14977c478bd9Sstevel@tonic-gate case TEST_OPND: 1498dc0093f4Seschrock (void) strlcat(opnd, dis_TESTREG[r_m], OPLEN); 14997c478bd9Sstevel@tonic-gate break; 15007c478bd9Sstevel@tonic-gate case BYTE_OPND: 15017c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix == 0) 1502dc0093f4Seschrock (void) strlcat(opnd, dis_REG8[r_m], OPLEN); 15037c478bd9Sstevel@tonic-gate else 1504dc0093f4Seschrock (void) strlcat(opnd, dis_REG8_REX[r_m], OPLEN); 15057c478bd9Sstevel@tonic-gate break; 15067c478bd9Sstevel@tonic-gate case WORD_OPND: 1507dc0093f4Seschrock (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 15087c478bd9Sstevel@tonic-gate break; 15097c478bd9Sstevel@tonic-gate case LONG_OPND: 15107c478bd9Sstevel@tonic-gate if (x->d86_opnd_size == SIZE16) 1511dc0093f4Seschrock (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 15127c478bd9Sstevel@tonic-gate else if (x->d86_opnd_size == SIZE32) 1513dc0093f4Seschrock (void) strlcat(opnd, dis_REG32[r_m], OPLEN); 15147c478bd9Sstevel@tonic-gate else 1515dc0093f4Seschrock (void) strlcat(opnd, dis_REG64[r_m], OPLEN); 15167c478bd9Sstevel@tonic-gate break; 15177c478bd9Sstevel@tonic-gate } 15187c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 15197c478bd9Sstevel@tonic-gate return; 15207c478bd9Sstevel@tonic-gate } 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate /* 15237c478bd9Sstevel@tonic-gate * if symbolic representation, skip override prefix, if any 15247c478bd9Sstevel@tonic-gate */ 15257c478bd9Sstevel@tonic-gate dtrace_check_override(x, opindex); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate /* 15287c478bd9Sstevel@tonic-gate * Handle 16 bit memory references first, since they decode 15297c478bd9Sstevel@tonic-gate * the mode values more simply. 15307c478bd9Sstevel@tonic-gate * mode 1 is r_m + 8 bit displacement 15317c478bd9Sstevel@tonic-gate * mode 2 is r_m + 16 bit displacement 15327c478bd9Sstevel@tonic-gate * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp 15337c478bd9Sstevel@tonic-gate */ 15347c478bd9Sstevel@tonic-gate if (x->d86_addr_size == SIZE16) { 15357c478bd9Sstevel@tonic-gate if ((mode == 0 && r_m == 6) || mode == 2) 15367c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, WORD_OPND, 2, opindex); 15377c478bd9Sstevel@tonic-gate else if (mode == 1) 15387c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, opindex); 15397c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 15407c478bd9Sstevel@tonic-gate if (mode == 0 && r_m == 6) 15417c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 15427c478bd9Sstevel@tonic-gate else if (mode == 0) 15437c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_NONE; 15447c478bd9Sstevel@tonic-gate else 15457c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 1546dc0093f4Seschrock (void) strlcat(opnd, dis_addr16[mode][r_m], OPLEN); 15477c478bd9Sstevel@tonic-gate #endif 15487c478bd9Sstevel@tonic-gate return; 15497c478bd9Sstevel@tonic-gate } 15507c478bd9Sstevel@tonic-gate 15517c478bd9Sstevel@tonic-gate /* 15527c478bd9Sstevel@tonic-gate * 32 and 64 bit addressing modes are more complex since they 15537c478bd9Sstevel@tonic-gate * can involve an SIB (scaled index and base) byte to decode. 15547c478bd9Sstevel@tonic-gate */ 15557c478bd9Sstevel@tonic-gate if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) { 15567c478bd9Sstevel@tonic-gate have_SIB = 1; 15577c478bd9Sstevel@tonic-gate dtrace_get_SIB(x, &ss, &index, &base); 15587c478bd9Sstevel@tonic-gate if (x->d86_error) 15597c478bd9Sstevel@tonic-gate return; 15607c478bd9Sstevel@tonic-gate if (base != 5 || mode != 0) 15617c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_B) 15627c478bd9Sstevel@tonic-gate base += 8; 15637c478bd9Sstevel@tonic-gate if (x->d86_rex_prefix & REX_X) 15647c478bd9Sstevel@tonic-gate index += 8; 15657c478bd9Sstevel@tonic-gate } else { 15667c478bd9Sstevel@tonic-gate base = r_m; 15677c478bd9Sstevel@tonic-gate } 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate /* 15707c478bd9Sstevel@tonic-gate * Compute the displacement size and get its bytes 15717c478bd9Sstevel@tonic-gate */ 15727c478bd9Sstevel@tonic-gate dispsize = 0; 15737c478bd9Sstevel@tonic-gate 15747c478bd9Sstevel@tonic-gate if (mode == 1) 15757c478bd9Sstevel@tonic-gate dispsize = 1; 15767c478bd9Sstevel@tonic-gate else if (mode == 2) 15777c478bd9Sstevel@tonic-gate dispsize = 4; 15787c478bd9Sstevel@tonic-gate else if ((r_m & 7) == EBP_REGNO || 15797c478bd9Sstevel@tonic-gate (have_SIB && (base & 7) == EBP_REGNO)) 15807c478bd9Sstevel@tonic-gate dispsize = 4; 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate if (dispsize > 0) { 15837c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND, 15847c478bd9Sstevel@tonic-gate dispsize, opindex); 15857c478bd9Sstevel@tonic-gate if (x->d86_error) 15867c478bd9Sstevel@tonic-gate return; 15877c478bd9Sstevel@tonic-gate } 15887c478bd9Sstevel@tonic-gate 15897c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 15907c478bd9Sstevel@tonic-gate if (dispsize > 0) 15917c478bd9Sstevel@tonic-gate x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 15927c478bd9Sstevel@tonic-gate 15937c478bd9Sstevel@tonic-gate if (have_SIB == 0) { 15947c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) { 15957c478bd9Sstevel@tonic-gate if (mode == 0) 1596dc0093f4Seschrock (void) strlcat(opnd, dis_addr32_mode0[r_m], 15977c478bd9Sstevel@tonic-gate OPLEN); 15987c478bd9Sstevel@tonic-gate else 1599dc0093f4Seschrock (void) strlcat(opnd, dis_addr32_mode12[r_m], 16007c478bd9Sstevel@tonic-gate OPLEN); 16017c478bd9Sstevel@tonic-gate } else { 1602*d267098bSdmick if (mode == 0) { 1603dc0093f4Seschrock (void) strlcat(opnd, dis_addr64_mode0[r_m], 16047c478bd9Sstevel@tonic-gate OPLEN); 1605*d267098bSdmick if (r_m == 5) { 1606*d267098bSdmick x->d86_opnd[opindex].d86_mode = 1607*d267098bSdmick MODE_RIPREL; 1608*d267098bSdmick } 1609*d267098bSdmick } else { 1610dc0093f4Seschrock (void) strlcat(opnd, dis_addr64_mode12[r_m], 16117c478bd9Sstevel@tonic-gate OPLEN); 1612*d267098bSdmick } 16137c478bd9Sstevel@tonic-gate } 16147c478bd9Sstevel@tonic-gate } else { 16157c478bd9Sstevel@tonic-gate uint_t need_paren = 0; 16167c478bd9Sstevel@tonic-gate char **regs; 16177c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */ 16187c478bd9Sstevel@tonic-gate regs = (char **)dis_REG32; 16197c478bd9Sstevel@tonic-gate else 16207c478bd9Sstevel@tonic-gate regs = (char **)dis_REG64; 16217c478bd9Sstevel@tonic-gate 16227c478bd9Sstevel@tonic-gate /* 16237c478bd9Sstevel@tonic-gate * print the base (if any) 16247c478bd9Sstevel@tonic-gate */ 16257c478bd9Sstevel@tonic-gate if (base == EBP_REGNO && mode == 0) { 16267c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1627dc0093f4Seschrock (void) strlcat(opnd, "(", OPLEN); 16287c478bd9Sstevel@tonic-gate need_paren = 1; 16297c478bd9Sstevel@tonic-gate } 16307c478bd9Sstevel@tonic-gate } else { 1631dc0093f4Seschrock (void) strlcat(opnd, "(", OPLEN); 1632dc0093f4Seschrock (void) strlcat(opnd, regs[base], OPLEN); 16337c478bd9Sstevel@tonic-gate need_paren = 1; 16347c478bd9Sstevel@tonic-gate } 16357c478bd9Sstevel@tonic-gate 16367c478bd9Sstevel@tonic-gate /* 16377c478bd9Sstevel@tonic-gate * print the index (if any) 16387c478bd9Sstevel@tonic-gate */ 16397c478bd9Sstevel@tonic-gate if (index != ESP_REGNO) { 1640dc0093f4Seschrock (void) strlcat(opnd, ",", OPLEN); 1641dc0093f4Seschrock (void) strlcat(opnd, regs[index], OPLEN); 1642dc0093f4Seschrock (void) strlcat(opnd, dis_scale_factor[ss], OPLEN); 16437c478bd9Sstevel@tonic-gate } else 16447c478bd9Sstevel@tonic-gate if (need_paren) 1645dc0093f4Seschrock (void) strlcat(opnd, ")", OPLEN); 16467c478bd9Sstevel@tonic-gate } 16477c478bd9Sstevel@tonic-gate #endif 16487c478bd9Sstevel@tonic-gate } 16497c478bd9Sstevel@tonic-gate 16507c478bd9Sstevel@tonic-gate /* 16517c478bd9Sstevel@tonic-gate * Operand sequence for standard instruction involving one register 16527c478bd9Sstevel@tonic-gate * and one register/memory operand. 16537c478bd9Sstevel@tonic-gate * wbit indicates a byte(0) or opnd_size(1) operation 16547c478bd9Sstevel@tonic-gate * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r") 16557c478bd9Sstevel@tonic-gate */ 16567c478bd9Sstevel@tonic-gate #define STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit) { \ 16577c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 16587c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 16597c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 16607c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit); \ 16617c478bd9Sstevel@tonic-gate } 16627c478bd9Sstevel@tonic-gate 16637c478bd9Sstevel@tonic-gate /* 16647c478bd9Sstevel@tonic-gate * Similar to above, but allows for the two operands to be of different 16657c478bd9Sstevel@tonic-gate * classes (ie. wbit). 16667c478bd9Sstevel@tonic-gate * wbit is for the r_m operand 16677c478bd9Sstevel@tonic-gate * w2 is for the reg operand 16687c478bd9Sstevel@tonic-gate */ 16697c478bd9Sstevel@tonic-gate #define MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit) { \ 16707c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 16717c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 16727c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 16737c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit); \ 16747c478bd9Sstevel@tonic-gate } 16757c478bd9Sstevel@tonic-gate 16767c478bd9Sstevel@tonic-gate /* 16777c478bd9Sstevel@tonic-gate * Similar, but for 2 operands plus an immediate. 16787c478bd9Sstevel@tonic-gate */ 16797c478bd9Sstevel@tonic-gate #define THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \ 16807c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); \ 16817c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 16827c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); \ 16837c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, w2, 2); \ 16847c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, immsize, 0); \ 16857c478bd9Sstevel@tonic-gate } 16867c478bd9Sstevel@tonic-gate 16877c478bd9Sstevel@tonic-gate /* 16887c478bd9Sstevel@tonic-gate * Dissassemble a single x86 or amd64 instruction. 16897c478bd9Sstevel@tonic-gate * 16907c478bd9Sstevel@tonic-gate * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64) 16917c478bd9Sstevel@tonic-gate * for interpreting instructions. 16927c478bd9Sstevel@tonic-gate * 16937c478bd9Sstevel@tonic-gate * returns non-zero for bad opcode 16947c478bd9Sstevel@tonic-gate */ 16957c478bd9Sstevel@tonic-gate int 16967c478bd9Sstevel@tonic-gate dtrace_disx86(dis86_t *x, uint_t cpu_mode) 16977c478bd9Sstevel@tonic-gate { 16987c478bd9Sstevel@tonic-gate instable_t *dp; /* decode table being used */ 16997c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 17007c478bd9Sstevel@tonic-gate uint_t i; 17017c478bd9Sstevel@tonic-gate #endif 17027c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 17037c478bd9Sstevel@tonic-gate uint_t nomem = 0; 17047c478bd9Sstevel@tonic-gate #define NOMEM (nomem = 1) 17057c478bd9Sstevel@tonic-gate #else 17067c478bd9Sstevel@tonic-gate #define NOMEM /* nothing */ 17077c478bd9Sstevel@tonic-gate #endif 17087c478bd9Sstevel@tonic-gate uint_t wbit; /* opcode wbit, 0 is 8 bit, !0 for opnd_size */ 17097c478bd9Sstevel@tonic-gate uint_t w2; /* wbit value for second operand */ 17107c478bd9Sstevel@tonic-gate uint_t vbit; 17117c478bd9Sstevel@tonic-gate uint_t mode = 0; /* mode value from ModRM byte */ 17127c478bd9Sstevel@tonic-gate uint_t reg; /* reg value from ModRM byte */ 17137c478bd9Sstevel@tonic-gate uint_t r_m; /* r_m value from ModRM byte */ 17147c478bd9Sstevel@tonic-gate 17157c478bd9Sstevel@tonic-gate uint_t opcode1; /* high nibble of 1st byte */ 17167c478bd9Sstevel@tonic-gate uint_t opcode2; /* low nibble of 1st byte */ 17177c478bd9Sstevel@tonic-gate uint_t opcode3; /* extra opcode bits usually from ModRM byte */ 17187c478bd9Sstevel@tonic-gate uint_t opcode4; /* high nibble of 2nd byte */ 1719*d267098bSdmick uint_t opcode5; /* low nibble of 2nd byte */ 17207c478bd9Sstevel@tonic-gate uint_t opcode6; /* high nibble of 3rd byte */ 17217c478bd9Sstevel@tonic-gate uint_t opcode7; /* low nibble of 3rd byte */ 17227c478bd9Sstevel@tonic-gate uint_t opcode_bytes = 1; 17237c478bd9Sstevel@tonic-gate 17247c478bd9Sstevel@tonic-gate /* 17257c478bd9Sstevel@tonic-gate * legacy prefixes come in 5 flavors, you should have only one of each 17267c478bd9Sstevel@tonic-gate */ 17277c478bd9Sstevel@tonic-gate uint_t opnd_size_prefix = 0; 17287c478bd9Sstevel@tonic-gate uint_t addr_size_prefix = 0; 17297c478bd9Sstevel@tonic-gate uint_t segment_prefix = 0; 17307c478bd9Sstevel@tonic-gate uint_t lock_prefix = 0; 17317c478bd9Sstevel@tonic-gate uint_t rep_prefix = 0; 17327c478bd9Sstevel@tonic-gate uint_t rex_prefix = 0; /* amd64 register extension prefix */ 17337c478bd9Sstevel@tonic-gate size_t off; 17347c478bd9Sstevel@tonic-gate 17357c478bd9Sstevel@tonic-gate x->d86_len = 0; 17367c478bd9Sstevel@tonic-gate x->d86_rmindex = -1; 17377c478bd9Sstevel@tonic-gate x->d86_error = 0; 17387c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 17397c478bd9Sstevel@tonic-gate x->d86_numopnds = 0; 17407c478bd9Sstevel@tonic-gate x->d86_seg_prefix = NULL; 1741*d267098bSdmick x->d86_mnem[0] = 0; 17427c478bd9Sstevel@tonic-gate for (i = 0; i < 3; ++i) { 17437c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_opnd[0] = 0; 17447c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_prefix[0] = 0; 17457c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value_size = 0; 17467c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_value = 0; 17477c478bd9Sstevel@tonic-gate x->d86_opnd[i].d86_mode = MODE_NONE; 17487c478bd9Sstevel@tonic-gate } 17497c478bd9Sstevel@tonic-gate #endif 17507c478bd9Sstevel@tonic-gate x->d86_error = 0; 17517c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE16) { 17547c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 17557c478bd9Sstevel@tonic-gate addr_size = SIZE16; 17567c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 17577c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 17587c478bd9Sstevel@tonic-gate addr_size = SIZE32; 17597c478bd9Sstevel@tonic-gate } else { 17607c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 17617c478bd9Sstevel@tonic-gate addr_size = SIZE64; 17627c478bd9Sstevel@tonic-gate } 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate /* 17657c478bd9Sstevel@tonic-gate * Get one opcode byte and check for zero padding that follows 17667c478bd9Sstevel@tonic-gate * jump tables. 17677c478bd9Sstevel@tonic-gate */ 17687c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 17697c478bd9Sstevel@tonic-gate goto error; 17707c478bd9Sstevel@tonic-gate 17717c478bd9Sstevel@tonic-gate if (opcode1 == 0 && opcode2 == 0 && 1772dc0093f4Seschrock x->d86_check_func != NULL && x->d86_check_func(x->d86_data)) { 17737c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 1774*d267098bSdmick (void) strncpy(x->d86_mnem, ".byte\t0", OPLEN); 17757c478bd9Sstevel@tonic-gate #endif 17767c478bd9Sstevel@tonic-gate goto done; 17777c478bd9Sstevel@tonic-gate } 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate /* 17807c478bd9Sstevel@tonic-gate * Gather up legacy x86 prefix bytes. 17817c478bd9Sstevel@tonic-gate */ 17827c478bd9Sstevel@tonic-gate for (;;) { 17837c478bd9Sstevel@tonic-gate uint_t *which_prefix = NULL; 17847c478bd9Sstevel@tonic-gate 17857c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 17887c478bd9Sstevel@tonic-gate case PREFIX: 17897c478bd9Sstevel@tonic-gate which_prefix = &rep_prefix; 17907c478bd9Sstevel@tonic-gate break; 17917c478bd9Sstevel@tonic-gate case LOCK: 17927c478bd9Sstevel@tonic-gate which_prefix = &lock_prefix; 17937c478bd9Sstevel@tonic-gate break; 17947c478bd9Sstevel@tonic-gate case OVERRIDE: 17957c478bd9Sstevel@tonic-gate which_prefix = &segment_prefix; 17967c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 17977c478bd9Sstevel@tonic-gate x->d86_seg_prefix = (char *)dp->it_name; 17987c478bd9Sstevel@tonic-gate #endif 17997c478bd9Sstevel@tonic-gate if (dp->it_invalid64 && cpu_mode == SIZE64) 18007c478bd9Sstevel@tonic-gate goto error; 18017c478bd9Sstevel@tonic-gate break; 18027c478bd9Sstevel@tonic-gate case AM: 18037c478bd9Sstevel@tonic-gate which_prefix = &addr_size_prefix; 18047c478bd9Sstevel@tonic-gate break; 18057c478bd9Sstevel@tonic-gate case DM: 18067c478bd9Sstevel@tonic-gate which_prefix = &opnd_size_prefix; 18077c478bd9Sstevel@tonic-gate break; 18087c478bd9Sstevel@tonic-gate } 18097c478bd9Sstevel@tonic-gate if (which_prefix == NULL) 18107c478bd9Sstevel@tonic-gate break; 18117c478bd9Sstevel@tonic-gate *which_prefix = (opcode1 << 4) | opcode2; 18127c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 18137c478bd9Sstevel@tonic-gate goto error; 18147c478bd9Sstevel@tonic-gate } 18157c478bd9Sstevel@tonic-gate 18167c478bd9Sstevel@tonic-gate /* 18177c478bd9Sstevel@tonic-gate * Handle amd64 mode PREFIX values. 18187c478bd9Sstevel@tonic-gate * Some of the segment prefixes are no-ops. (only FS/GS actually work) 18197c478bd9Sstevel@tonic-gate * We might have a REX prefix (opcodes 0x40-0x4f) 18207c478bd9Sstevel@tonic-gate */ 18217c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 18227c478bd9Sstevel@tonic-gate if (segment_prefix != 0x64 && segment_prefix != 0x65) 18237c478bd9Sstevel@tonic-gate segment_prefix = 0; 18247c478bd9Sstevel@tonic-gate 18257c478bd9Sstevel@tonic-gate if (opcode1 == 0x4) { 18267c478bd9Sstevel@tonic-gate rex_prefix = (opcode1 << 4) | opcode2; 18277c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 18287c478bd9Sstevel@tonic-gate goto error; 18297c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_distable[opcode1][opcode2]; 18307c478bd9Sstevel@tonic-gate } 18317c478bd9Sstevel@tonic-gate } 18327c478bd9Sstevel@tonic-gate 18337c478bd9Sstevel@tonic-gate /* 18347c478bd9Sstevel@tonic-gate * Deal with selection of operand and address size now. 18357c478bd9Sstevel@tonic-gate * Note that the REX.W bit being set causes opnd_size_prefix to be 18367c478bd9Sstevel@tonic-gate * ignored. 18377c478bd9Sstevel@tonic-gate */ 18387c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) { 1839*d267098bSdmick if (rex_prefix & REX_W) 18407c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 18417c478bd9Sstevel@tonic-gate else if (opnd_size_prefix) 18427c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate if (addr_size_prefix) 18457c478bd9Sstevel@tonic-gate addr_size = SIZE32; 18467c478bd9Sstevel@tonic-gate } else if (cpu_mode == SIZE32) { 18477c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 18487c478bd9Sstevel@tonic-gate opnd_size = SIZE16; 18497c478bd9Sstevel@tonic-gate if (addr_size_prefix) 18507c478bd9Sstevel@tonic-gate addr_size = SIZE16; 18517c478bd9Sstevel@tonic-gate } else { 18527c478bd9Sstevel@tonic-gate if (opnd_size_prefix) 18537c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 18547c478bd9Sstevel@tonic-gate if (addr_size_prefix) 18557c478bd9Sstevel@tonic-gate addr_size = SIZE32; 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate 18587c478bd9Sstevel@tonic-gate /* 18597c478bd9Sstevel@tonic-gate * The pause instruction - a repz'd nop. This doesn't fit 18607c478bd9Sstevel@tonic-gate * with any of the other prefix goop added for SSE, so we'll 18617c478bd9Sstevel@tonic-gate * special-case it here. 18627c478bd9Sstevel@tonic-gate */ 18637c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) { 18647c478bd9Sstevel@tonic-gate rep_prefix = 0; 18657c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opPause; 18667c478bd9Sstevel@tonic-gate } 18677c478bd9Sstevel@tonic-gate 18687c478bd9Sstevel@tonic-gate /* 18697c478bd9Sstevel@tonic-gate * Some 386 instructions have 2 bytes of opcode before the mod_r/m 18707c478bd9Sstevel@tonic-gate * byte so we may need to perform a table indirection. 18717c478bd9Sstevel@tonic-gate */ 18727c478bd9Sstevel@tonic-gate if (dp->it_indirect == (instable_t *)dis_op0F) { 18737c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0) 18747c478bd9Sstevel@tonic-gate goto error; 18757c478bd9Sstevel@tonic-gate opcode_bytes = 2; 18767c478bd9Sstevel@tonic-gate if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) { 18777c478bd9Sstevel@tonic-gate uint_t subcode; 18787c478bd9Sstevel@tonic-gate 18797c478bd9Sstevel@tonic-gate if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 18807c478bd9Sstevel@tonic-gate goto error; 18817c478bd9Sstevel@tonic-gate opcode_bytes = 3; 18827c478bd9Sstevel@tonic-gate subcode = ((opcode6 & 0x3) << 1) | 18837c478bd9Sstevel@tonic-gate ((opcode7 & 0x8) >> 3); 18847c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F7123[opcode5][subcode]; 18857c478bd9Sstevel@tonic-gate } else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) { 18867c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0FC8[0]; 18877c478bd9Sstevel@tonic-gate } else { 18887c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_op0F[opcode4][opcode5]; 18897c478bd9Sstevel@tonic-gate } 18907c478bd9Sstevel@tonic-gate } 18917c478bd9Sstevel@tonic-gate 18927c478bd9Sstevel@tonic-gate /* 18937c478bd9Sstevel@tonic-gate * If still not at a TERM decode entry, then a ModRM byte 18947c478bd9Sstevel@tonic-gate * exists and its fields further decode the instruction. 18957c478bd9Sstevel@tonic-gate */ 18967c478bd9Sstevel@tonic-gate x->d86_got_modrm = 0; 18977c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) { 18987c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, &opcode3, &r_m); 18997c478bd9Sstevel@tonic-gate if (x->d86_error) 19007c478bd9Sstevel@tonic-gate goto error; 19017c478bd9Sstevel@tonic-gate reg = opcode3; 19027c478bd9Sstevel@tonic-gate 19037c478bd9Sstevel@tonic-gate /* 19047c478bd9Sstevel@tonic-gate * decode 287 instructions (D8-DF) from opcodeN 19057c478bd9Sstevel@tonic-gate */ 19067c478bd9Sstevel@tonic-gate if (opcode1 == 0xD && opcode2 >= 0x8) { 19077c478bd9Sstevel@tonic-gate if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4) 19087c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP5[r_m]; 19097c478bd9Sstevel@tonic-gate else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4) 19107c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP7[opcode3]; 19117c478bd9Sstevel@tonic-gate else if (opcode2 == 0xB && mode == 0x3) 19127c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP6[opcode3]; 19137c478bd9Sstevel@tonic-gate else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4) 19147c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m]; 19157c478bd9Sstevel@tonic-gate else if (mode == 0x3) 19167c478bd9Sstevel@tonic-gate dp = (instable_t *) 19177c478bd9Sstevel@tonic-gate &dis_opFP3[opcode2 - 8][opcode3]; 19187c478bd9Sstevel@tonic-gate else 19197c478bd9Sstevel@tonic-gate dp = (instable_t *) 19207c478bd9Sstevel@tonic-gate &dis_opFP1n2[opcode2 - 8][opcode3]; 19217c478bd9Sstevel@tonic-gate } else { 19227c478bd9Sstevel@tonic-gate dp = (instable_t *)dp->it_indirect + opcode3; 19237c478bd9Sstevel@tonic-gate } 19247c478bd9Sstevel@tonic-gate } 19257c478bd9Sstevel@tonic-gate 19267c478bd9Sstevel@tonic-gate /* 19277c478bd9Sstevel@tonic-gate * In amd64 bit mode, ARPL opcode is changed to MOVSXD 19287c478bd9Sstevel@tonic-gate * (sign extend 32bit to 64 bit) 19297c478bd9Sstevel@tonic-gate */ 19307c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && opcode1 == 0x6 && opcode2 == 0x3) 19317c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opMOVSLD; 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate /* 19347c478bd9Sstevel@tonic-gate * at this point we should have a correct (or invalid) opcode 19357c478bd9Sstevel@tonic-gate */ 19367c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && dp->it_invalid64 || 19377c478bd9Sstevel@tonic-gate cpu_mode != SIZE64 && dp->it_invalid32) 19387c478bd9Sstevel@tonic-gate goto error; 19397c478bd9Sstevel@tonic-gate if (dp->it_indirect != TERM) 19407c478bd9Sstevel@tonic-gate goto error; 19417c478bd9Sstevel@tonic-gate 19427c478bd9Sstevel@tonic-gate /* 19437c478bd9Sstevel@tonic-gate * deal with MMX/SSE opcodes which are changed by prefixes 19447c478bd9Sstevel@tonic-gate */ 19457c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 19467c478bd9Sstevel@tonic-gate case MMO: 19477c478bd9Sstevel@tonic-gate case MMOIMPL: 19487c478bd9Sstevel@tonic-gate case MMO3P: 19497c478bd9Sstevel@tonic-gate case MMOM3: 19507c478bd9Sstevel@tonic-gate case MMOMS: 19517c478bd9Sstevel@tonic-gate case MMOPM: 19527c478bd9Sstevel@tonic-gate case MMOPRM: 19537c478bd9Sstevel@tonic-gate case MMOS: 19547c478bd9Sstevel@tonic-gate case XMMO: 19557c478bd9Sstevel@tonic-gate case XMMOM: 19567c478bd9Sstevel@tonic-gate case XMMOMS: 19577c478bd9Sstevel@tonic-gate case XMMOPM: 19587c478bd9Sstevel@tonic-gate case XMMOS: 19597c478bd9Sstevel@tonic-gate case XMMOMX: 19607c478bd9Sstevel@tonic-gate case XMMOX3: 19617c478bd9Sstevel@tonic-gate case XMMOXMM: 19627c478bd9Sstevel@tonic-gate /* 19637c478bd9Sstevel@tonic-gate * This is horrible. Some SIMD instructions take the 19647c478bd9Sstevel@tonic-gate * form 0x0F 0x?? ..., which is easily decoded using the 19657c478bd9Sstevel@tonic-gate * existing tables. Other SIMD instructions use various 19667c478bd9Sstevel@tonic-gate * prefix bytes to overload existing instructions. For 19677c478bd9Sstevel@tonic-gate * Example, addps is F0, 58, whereas addss is F3 (repz), 19687c478bd9Sstevel@tonic-gate * F0, 58. Presumably someone got a raise for this. 19697c478bd9Sstevel@tonic-gate * 19707c478bd9Sstevel@tonic-gate * If we see one of the instructions which can be 19717c478bd9Sstevel@tonic-gate * modified in this way (if we've got one of the SIMDO* 19727c478bd9Sstevel@tonic-gate * address modes), we'll check to see if the last prefix 19737c478bd9Sstevel@tonic-gate * was a repz. If it was, we strip the prefix from the 19747c478bd9Sstevel@tonic-gate * mnemonic, and we indirect using the dis_opSIMDrepz 19757c478bd9Sstevel@tonic-gate * table. 19767c478bd9Sstevel@tonic-gate */ 19777c478bd9Sstevel@tonic-gate 19787c478bd9Sstevel@tonic-gate /* 19797c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F 19807c478bd9Sstevel@tonic-gate */ 19817c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F)) 19827c478bd9Sstevel@tonic-gate goto error; 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 19857c478bd9Sstevel@tonic-gate sizeof (instable_t); 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate /* 19887c478bd9Sstevel@tonic-gate * Rewrite if this instruction used one of the magic prefixes. 19897c478bd9Sstevel@tonic-gate */ 19907c478bd9Sstevel@tonic-gate if (rep_prefix) { 19917c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 19927c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepnz[off]; 19937c478bd9Sstevel@tonic-gate else 19947c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDrepz[off]; 19957c478bd9Sstevel@tonic-gate rep_prefix = 0; 19967c478bd9Sstevel@tonic-gate } else if (opnd_size_prefix) { 19977c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMDdata16[off]; 19987c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 19997c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 20007c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 20017c478bd9Sstevel@tonic-gate } 20027c478bd9Sstevel@tonic-gate break; 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate case MMOSH: 20057c478bd9Sstevel@tonic-gate /* 20067c478bd9Sstevel@tonic-gate * As with the "normal" SIMD instructions, the MMX 20077c478bd9Sstevel@tonic-gate * shuffle instructions are overloaded. These 20087c478bd9Sstevel@tonic-gate * instructions, however, are special in that they use 20097c478bd9Sstevel@tonic-gate * an extra byte, and thus an extra table. As of this 20107c478bd9Sstevel@tonic-gate * writing, they only use the opnd_size prefix. 20117c478bd9Sstevel@tonic-gate */ 20127c478bd9Sstevel@tonic-gate 20137c478bd9Sstevel@tonic-gate /* 20147c478bd9Sstevel@tonic-gate * Calculate our offset in dis_op0F7123 20157c478bd9Sstevel@tonic-gate */ 20167c478bd9Sstevel@tonic-gate if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 > 20177c478bd9Sstevel@tonic-gate sizeof (dis_op0F7123)) 20187c478bd9Sstevel@tonic-gate goto error; 20197c478bd9Sstevel@tonic-gate 20207c478bd9Sstevel@tonic-gate if (opnd_size_prefix) { 20217c478bd9Sstevel@tonic-gate off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) / 20227c478bd9Sstevel@tonic-gate sizeof (instable_t); 20237c478bd9Sstevel@tonic-gate dp = (instable_t *)&dis_opSIMD7123[off]; 20247c478bd9Sstevel@tonic-gate opnd_size_prefix = 0; 20257c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 20267c478bd9Sstevel@tonic-gate opnd_size = SIZE32; 20277c478bd9Sstevel@tonic-gate } 20287c478bd9Sstevel@tonic-gate break; 20297c478bd9Sstevel@tonic-gate } 20307c478bd9Sstevel@tonic-gate 20317c478bd9Sstevel@tonic-gate /* 20327c478bd9Sstevel@tonic-gate * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64. 20337c478bd9Sstevel@tonic-gate */ 20347c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64) 20357c478bd9Sstevel@tonic-gate if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop)) 20367c478bd9Sstevel@tonic-gate opnd_size = SIZE64; 20377c478bd9Sstevel@tonic-gate 20387c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 20397c478bd9Sstevel@tonic-gate /* 20407c478bd9Sstevel@tonic-gate * At this point most instructions can format the opcode mnemonic 20417c478bd9Sstevel@tonic-gate * including the prefixes. 20427c478bd9Sstevel@tonic-gate */ 20437c478bd9Sstevel@tonic-gate if (lock_prefix) 2044*d267098bSdmick (void) strlcat(x->d86_mnem, "lock ", OPLEN); 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate if (rep_prefix == 0xf2) 2047*d267098bSdmick (void) strlcat(x->d86_mnem, "repnz ", OPLEN); 20487c478bd9Sstevel@tonic-gate else if (rep_prefix == 0xf3) 2049*d267098bSdmick (void) strlcat(x->d86_mnem, "repz ", OPLEN); 20507c478bd9Sstevel@tonic-gate 20517c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && addr_size_prefix) 2052*d267098bSdmick (void) strlcat(x->d86_mnem, "addr32 ", OPLEN); 20537c478bd9Sstevel@tonic-gate 20547c478bd9Sstevel@tonic-gate if (dp->it_adrmode != CBW && 20557c478bd9Sstevel@tonic-gate dp->it_adrmode != CWD && 20567c478bd9Sstevel@tonic-gate dp->it_adrmode != XMMSFNC) { 20577c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "INVALID") == 0) 20587c478bd9Sstevel@tonic-gate goto error; 2059*d267098bSdmick (void) strlcat(x->d86_mnem, dp->it_name, OPLEN); 20607c478bd9Sstevel@tonic-gate if (dp->it_suffix) { 20617c478bd9Sstevel@tonic-gate char *types[] = {"", "w", "l", "q"}; 20627c478bd9Sstevel@tonic-gate if (opcode_bytes == 2 && opcode4 == 4) { 20637c478bd9Sstevel@tonic-gate /* It's a cmovx.yy. Replace the suffix x */ 20647c478bd9Sstevel@tonic-gate for (i = 5; i < OPLEN; i++) { 2065*d267098bSdmick if (x->d86_mnem[i] == '.') 20667c478bd9Sstevel@tonic-gate break; 20677c478bd9Sstevel@tonic-gate } 2068*d267098bSdmick x->d86_mnem[i - 1] = *types[opnd_size]; 2069dc0093f4Seschrock } else { 2070*d267098bSdmick (void) strlcat(x->d86_mnem, types[opnd_size], 2071dc0093f4Seschrock OPLEN); 2072dc0093f4Seschrock } 20737c478bd9Sstevel@tonic-gate } 20747c478bd9Sstevel@tonic-gate } 20757c478bd9Sstevel@tonic-gate #endif 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate /* 20787c478bd9Sstevel@tonic-gate * Process operands based on the addressing modes. 20797c478bd9Sstevel@tonic-gate */ 20807c478bd9Sstevel@tonic-gate x->d86_mode = cpu_mode; 20817c478bd9Sstevel@tonic-gate x->d86_rex_prefix = rex_prefix; 20827c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size; 20837c478bd9Sstevel@tonic-gate x->d86_addr_size = addr_size; 20847c478bd9Sstevel@tonic-gate vbit = 0; /* initialize for mem/reg -> reg */ 20857c478bd9Sstevel@tonic-gate switch (dp->it_adrmode) { 20867c478bd9Sstevel@tonic-gate /* 20877c478bd9Sstevel@tonic-gate * amd64 instruction to sign extend 32 bit reg/mem operands 20887c478bd9Sstevel@tonic-gate * into 64 bit register values 20897c478bd9Sstevel@tonic-gate */ 20907c478bd9Sstevel@tonic-gate case MOVSXZ: 20917c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 20927c478bd9Sstevel@tonic-gate if (rex_prefix == 0) 2093*d267098bSdmick (void) strncpy(x->d86_mnem, "movzld", OPLEN); 20947c478bd9Sstevel@tonic-gate #endif 20957c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 20967c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 20977c478bd9Sstevel@tonic-gate x->d86_opnd_size = SIZE64; 20987c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 20997c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE32; 21007c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 21017c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 21027c478bd9Sstevel@tonic-gate break; 21037c478bd9Sstevel@tonic-gate 21047c478bd9Sstevel@tonic-gate /* 21057c478bd9Sstevel@tonic-gate * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF) 2106*d267098bSdmick * movzbl movzbw movzbq (0x0FB6) or movzwl movzwq (0x0FB7) 21077c478bd9Sstevel@tonic-gate * wbit lives in 2nd byte, note that operands 21087c478bd9Sstevel@tonic-gate * are different sized 21097c478bd9Sstevel@tonic-gate */ 21107c478bd9Sstevel@tonic-gate case MOVZ: 21117c478bd9Sstevel@tonic-gate if (rex_prefix & REX_W) { 21127c478bd9Sstevel@tonic-gate /* target register size = 64 bit */ 2113*d267098bSdmick x->d86_mnem[5] = 'q'; 21147c478bd9Sstevel@tonic-gate } 21157c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 21167c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 21177c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 21187c478bd9Sstevel@tonic-gate x->d86_opnd_size = opnd_size = SIZE16; 21197c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 21207c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 21217c478bd9Sstevel@tonic-gate break; 21227c478bd9Sstevel@tonic-gate 21237c478bd9Sstevel@tonic-gate /* 21247c478bd9Sstevel@tonic-gate * imul instruction, with either 8-bit or longer immediate 21257c478bd9Sstevel@tonic-gate * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s) 21267c478bd9Sstevel@tonic-gate */ 21277c478bd9Sstevel@tonic-gate case IMUL: 21287c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 21297c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 21307c478bd9Sstevel@tonic-gate OPSIZE(opnd_size, opcode2 == 0x9)); 21317c478bd9Sstevel@tonic-gate break; 21327c478bd9Sstevel@tonic-gate 21337c478bd9Sstevel@tonic-gate /* memory or register operand to register, with 'w' bit */ 21347c478bd9Sstevel@tonic-gate case MRw: 21357c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 21367c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 21377c478bd9Sstevel@tonic-gate break; 21387c478bd9Sstevel@tonic-gate 21397c478bd9Sstevel@tonic-gate /* register to memory or register operand, with 'w' bit */ 21407c478bd9Sstevel@tonic-gate /* arpl happens to fit here also because it is odd */ 21417c478bd9Sstevel@tonic-gate case RMw: 21427c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 21437c478bd9Sstevel@tonic-gate wbit = WBIT(opcode5); 21447c478bd9Sstevel@tonic-gate else 21457c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 21467c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 21477c478bd9Sstevel@tonic-gate break; 21487c478bd9Sstevel@tonic-gate 21497c478bd9Sstevel@tonic-gate /* xaddb instruction */ 21507c478bd9Sstevel@tonic-gate case XADDB: 21517c478bd9Sstevel@tonic-gate wbit = 0; 21527c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 21537c478bd9Sstevel@tonic-gate break; 21547c478bd9Sstevel@tonic-gate 21557c478bd9Sstevel@tonic-gate /* MMX register to memory or register operand */ 21567c478bd9Sstevel@tonic-gate case MMS: 21577c478bd9Sstevel@tonic-gate case MMOS: 21587c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 21597c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 21607c478bd9Sstevel@tonic-gate #else 21617c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 21627c478bd9Sstevel@tonic-gate #endif 21637c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 21647c478bd9Sstevel@tonic-gate break; 21657c478bd9Sstevel@tonic-gate 21667c478bd9Sstevel@tonic-gate /* MMX register to memory */ 21677c478bd9Sstevel@tonic-gate case MMOMS: 21687c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 21697c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) 21707c478bd9Sstevel@tonic-gate goto error; 21717c478bd9Sstevel@tonic-gate wbit = MM_OPND; 21727c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 21737c478bd9Sstevel@tonic-gate break; 21747c478bd9Sstevel@tonic-gate 21757c478bd9Sstevel@tonic-gate /* Double shift. Has immediate operand specifying the shift. */ 21767c478bd9Sstevel@tonic-gate case DSHIFT: 21777c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 21787c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 21797c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 21807c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 2); 21817c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 21827c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 21837c478bd9Sstevel@tonic-gate break; 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate /* 21867c478bd9Sstevel@tonic-gate * Double shift. With no immediate operand, specifies using %cl. 21877c478bd9Sstevel@tonic-gate */ 21887c478bd9Sstevel@tonic-gate case DSHIFTcl: 21897c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 21907c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 21917c478bd9Sstevel@tonic-gate break; 21927c478bd9Sstevel@tonic-gate 21937c478bd9Sstevel@tonic-gate /* immediate to memory or register operand */ 21947c478bd9Sstevel@tonic-gate case IMlw: 21957c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 21967c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 21977c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 21987c478bd9Sstevel@tonic-gate /* 21997c478bd9Sstevel@tonic-gate * Have long immediate for opcode 0x81, but not 0x80 nor 0x83 22007c478bd9Sstevel@tonic-gate */ 22017c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0); 22027c478bd9Sstevel@tonic-gate break; 22037c478bd9Sstevel@tonic-gate 22047c478bd9Sstevel@tonic-gate /* immediate to memory or register operand with the */ 22057c478bd9Sstevel@tonic-gate /* 'w' bit present */ 22067c478bd9Sstevel@tonic-gate case IMw: 22077c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 22087c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 22097c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 22107c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 22117c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 22127c478bd9Sstevel@tonic-gate break; 22137c478bd9Sstevel@tonic-gate 22147c478bd9Sstevel@tonic-gate /* immediate to register with register in low 3 bits */ 22157c478bd9Sstevel@tonic-gate /* of op code */ 22167c478bd9Sstevel@tonic-gate case IR: 22177c478bd9Sstevel@tonic-gate /* w-bit here (with regs) is bit 3 */ 22187c478bd9Sstevel@tonic-gate wbit = opcode2 >>3 & 0x1; 22197c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 22207c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 22217c478bd9Sstevel@tonic-gate mode = REG_ONLY; 22227c478bd9Sstevel@tonic-gate r_m = reg; 22237c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 22247c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0); 22257c478bd9Sstevel@tonic-gate break; 22267c478bd9Sstevel@tonic-gate 22277c478bd9Sstevel@tonic-gate /* MMX immediate shift of register */ 22287c478bd9Sstevel@tonic-gate case MMSH: 22297c478bd9Sstevel@tonic-gate case MMOSH: 22307c478bd9Sstevel@tonic-gate wbit = MM_OPND; 22317c478bd9Sstevel@tonic-gate goto mm_shift; /* in next case */ 22327c478bd9Sstevel@tonic-gate 22337c478bd9Sstevel@tonic-gate /* SIMD immediate shift of register */ 22347c478bd9Sstevel@tonic-gate case XMMSH: 22357c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 22367c478bd9Sstevel@tonic-gate mm_shift: 22377c478bd9Sstevel@tonic-gate reg = REGNO(opcode7); 22387c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 22397c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 22407c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 22417c478bd9Sstevel@tonic-gate NOMEM; 22427c478bd9Sstevel@tonic-gate break; 22437c478bd9Sstevel@tonic-gate 22447c478bd9Sstevel@tonic-gate /* accumulator to memory operand */ 22457c478bd9Sstevel@tonic-gate case AO: 22467c478bd9Sstevel@tonic-gate vbit = 1; 22477c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 22487c478bd9Sstevel@tonic-gate 22497c478bd9Sstevel@tonic-gate /* memory operand to accumulator */ 22507c478bd9Sstevel@tonic-gate case OA: 22517c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 22527c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit); 22537c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit); 22547c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 22557c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_mode = MODE_OFFSET; 22567c478bd9Sstevel@tonic-gate #endif 22577c478bd9Sstevel@tonic-gate break; 22587c478bd9Sstevel@tonic-gate 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate /* segment register to memory or register operand */ 22617c478bd9Sstevel@tonic-gate case SM: 22627c478bd9Sstevel@tonic-gate vbit = 1; 22637c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 22647c478bd9Sstevel@tonic-gate 22657c478bd9Sstevel@tonic-gate /* memory or register operand to segment register */ 22667c478bd9Sstevel@tonic-gate case MS: 22677c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 22687c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 22697c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit); 22707c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit); 22717c478bd9Sstevel@tonic-gate break; 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate /* 22747c478bd9Sstevel@tonic-gate * rotate or shift instructions, which may shift by 1 or 22757c478bd9Sstevel@tonic-gate * consult the cl register, depending on the 'v' bit 22767c478bd9Sstevel@tonic-gate */ 22777c478bd9Sstevel@tonic-gate case Mv: 22787c478bd9Sstevel@tonic-gate vbit = VBIT(opcode2); 22797c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 22807c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 22817c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 22827c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 22837c478bd9Sstevel@tonic-gate if (vbit) { 2284dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN); 22857c478bd9Sstevel@tonic-gate } else { 22867c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 22877c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 22887c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 1; 22897c478bd9Sstevel@tonic-gate } 22907c478bd9Sstevel@tonic-gate #endif 22917c478bd9Sstevel@tonic-gate break; 22927c478bd9Sstevel@tonic-gate /* 22937c478bd9Sstevel@tonic-gate * immediate rotate or shift instructions 22947c478bd9Sstevel@tonic-gate */ 22957c478bd9Sstevel@tonic-gate case MvI: 22967c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 22977c478bd9Sstevel@tonic-gate normal_imm_mem: 22987c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 22997c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 1); 23007c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 23017c478bd9Sstevel@tonic-gate break; 23027c478bd9Sstevel@tonic-gate 23037c478bd9Sstevel@tonic-gate /* bit test instructions */ 23047c478bd9Sstevel@tonic-gate case MIb: 23057c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 23067c478bd9Sstevel@tonic-gate goto normal_imm_mem; 23077c478bd9Sstevel@tonic-gate 23087c478bd9Sstevel@tonic-gate /* single memory or register operand with 'w' bit present */ 23097c478bd9Sstevel@tonic-gate case Mw: 23107c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 23117c478bd9Sstevel@tonic-gate just_mem: 23127c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 23137c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 23147c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 23157c478bd9Sstevel@tonic-gate break; 23167c478bd9Sstevel@tonic-gate 23177c478bd9Sstevel@tonic-gate case SWAPGS: 23187c478bd9Sstevel@tonic-gate if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) { 23197c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2320*d267098bSdmick (void) strncpy(x->d86_mnem, "swapgs", OPLEN); 23217c478bd9Sstevel@tonic-gate #endif 23227c478bd9Sstevel@tonic-gate NOMEM; 23237c478bd9Sstevel@tonic-gate break; 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 23267c478bd9Sstevel@tonic-gate 23277c478bd9Sstevel@tonic-gate /* prefetch instruction - memory operand, but no memory acess */ 23287c478bd9Sstevel@tonic-gate case PREF: 23297c478bd9Sstevel@tonic-gate NOMEM; 23307c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 23317c478bd9Sstevel@tonic-gate 23327c478bd9Sstevel@tonic-gate /* single memory or register operand */ 23337c478bd9Sstevel@tonic-gate case M: 23347c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 23357c478bd9Sstevel@tonic-gate goto just_mem; 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate /* single memory or register byte operand */ 23387c478bd9Sstevel@tonic-gate case Mb: 23397c478bd9Sstevel@tonic-gate wbit = BYTE_OPND; 23407c478bd9Sstevel@tonic-gate goto just_mem; 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate case MO: 23437c478bd9Sstevel@tonic-gate /* Similar to M, but only memory (no direct registers) */ 23447c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 23457c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 23467c478bd9Sstevel@tonic-gate if (mode == 3) 23477c478bd9Sstevel@tonic-gate goto error; 23487c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 23497c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 23507c478bd9Sstevel@tonic-gate break; 23517c478bd9Sstevel@tonic-gate 23527c478bd9Sstevel@tonic-gate /* move special register to register or reverse if vbit */ 23537c478bd9Sstevel@tonic-gate case SREG: 23547c478bd9Sstevel@tonic-gate switch (opcode5) { 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate case 2: 23577c478bd9Sstevel@tonic-gate vbit = 1; 23587c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 23597c478bd9Sstevel@tonic-gate case 0: 23607c478bd9Sstevel@tonic-gate wbit = CONTROL_OPND; 23617c478bd9Sstevel@tonic-gate break; 23627c478bd9Sstevel@tonic-gate 23637c478bd9Sstevel@tonic-gate case 3: 23647c478bd9Sstevel@tonic-gate vbit = 1; 23657c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 23667c478bd9Sstevel@tonic-gate case 1: 23677c478bd9Sstevel@tonic-gate wbit = DEBUG_OPND; 23687c478bd9Sstevel@tonic-gate break; 23697c478bd9Sstevel@tonic-gate 23707c478bd9Sstevel@tonic-gate case 6: 23717c478bd9Sstevel@tonic-gate vbit = 1; 23727c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 23737c478bd9Sstevel@tonic-gate case 4: 23747c478bd9Sstevel@tonic-gate wbit = TEST_OPND; 23757c478bd9Sstevel@tonic-gate break; 23767c478bd9Sstevel@tonic-gate 23777c478bd9Sstevel@tonic-gate } 23787c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 23797c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 23807c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit); 23817c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit); 23827c478bd9Sstevel@tonic-gate NOMEM; 23837c478bd9Sstevel@tonic-gate break; 23847c478bd9Sstevel@tonic-gate 23857c478bd9Sstevel@tonic-gate /* 23867c478bd9Sstevel@tonic-gate * single register operand with register in the low 3 23877c478bd9Sstevel@tonic-gate * bits of op code 23887c478bd9Sstevel@tonic-gate */ 23897c478bd9Sstevel@tonic-gate case R: 23907c478bd9Sstevel@tonic-gate if (opcode_bytes == 2) 23917c478bd9Sstevel@tonic-gate reg = REGNO(opcode5); 23927c478bd9Sstevel@tonic-gate else 23937c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 23947c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 23957c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 23967c478bd9Sstevel@tonic-gate NOMEM; 23977c478bd9Sstevel@tonic-gate break; 23987c478bd9Sstevel@tonic-gate 23997c478bd9Sstevel@tonic-gate /* 24007c478bd9Sstevel@tonic-gate * register to accumulator with register in the low 3 24017c478bd9Sstevel@tonic-gate * bits of op code, xchg instructions 24027c478bd9Sstevel@tonic-gate */ 24037c478bd9Sstevel@tonic-gate case RA: 24047c478bd9Sstevel@tonic-gate NOMEM; 24057c478bd9Sstevel@tonic-gate reg = REGNO(opcode2); 24067c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 24077c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 24087c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1); 24097c478bd9Sstevel@tonic-gate break; 24107c478bd9Sstevel@tonic-gate 24117c478bd9Sstevel@tonic-gate /* 24127c478bd9Sstevel@tonic-gate * single segment register operand, with register in 24137c478bd9Sstevel@tonic-gate * bits 3-4 of op code byte 24147c478bd9Sstevel@tonic-gate */ 24157c478bd9Sstevel@tonic-gate case SEG: 24167c478bd9Sstevel@tonic-gate NOMEM; 24177c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3; 24187c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 24197c478bd9Sstevel@tonic-gate break; 24207c478bd9Sstevel@tonic-gate 24217c478bd9Sstevel@tonic-gate /* 24227c478bd9Sstevel@tonic-gate * single segment register operand, with register in 24237c478bd9Sstevel@tonic-gate * bits 3-5 of op code 24247c478bd9Sstevel@tonic-gate */ 24257c478bd9Sstevel@tonic-gate case LSEG: 24267c478bd9Sstevel@tonic-gate NOMEM; 24277c478bd9Sstevel@tonic-gate /* long seg reg from opcode */ 24287c478bd9Sstevel@tonic-gate reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7; 24297c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 24307c478bd9Sstevel@tonic-gate break; 24317c478bd9Sstevel@tonic-gate 24327c478bd9Sstevel@tonic-gate /* memory or register operand to register */ 24337c478bd9Sstevel@tonic-gate case MR: 24347c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24357c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 24367c478bd9Sstevel@tonic-gate break; 24377c478bd9Sstevel@tonic-gate 24387c478bd9Sstevel@tonic-gate case RM: 24397c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24407c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 24417c478bd9Sstevel@tonic-gate break; 24427c478bd9Sstevel@tonic-gate 24437c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int memory or mm reg to mm reg */ 24447c478bd9Sstevel@tonic-gate case MM: 24457c478bd9Sstevel@tonic-gate case MMO: 24467c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 24477c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 24487c478bd9Sstevel@tonic-gate #else 24497c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24507c478bd9Sstevel@tonic-gate #endif 24517c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 24527c478bd9Sstevel@tonic-gate break; 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate case MMOIMPL: 24557c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 24567c478bd9Sstevel@tonic-gate wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 24577c478bd9Sstevel@tonic-gate #else 24587c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24597c478bd9Sstevel@tonic-gate #endif 24607c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 24617c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 24627c478bd9Sstevel@tonic-gate goto error; 24637c478bd9Sstevel@tonic-gate 24647c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 24657c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 24667c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1); 24677c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 24687c478bd9Sstevel@tonic-gate break; 24697c478bd9Sstevel@tonic-gate 24707c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */ 24717c478bd9Sstevel@tonic-gate case MMO3P: 24727c478bd9Sstevel@tonic-gate wbit = MM_OPND; 24737c478bd9Sstevel@tonic-gate goto xmm3p; 24747c478bd9Sstevel@tonic-gate case XMM3P: 24757c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 24767c478bd9Sstevel@tonic-gate xmm3p: 24777c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 24787c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 24797c478bd9Sstevel@tonic-gate goto error; 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1); 24827c478bd9Sstevel@tonic-gate NOMEM; 24837c478bd9Sstevel@tonic-gate break; 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated r32/mem to mm reg */ 24867c478bd9Sstevel@tonic-gate case MMOPRM: 24877c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24887c478bd9Sstevel@tonic-gate w2 = MM_OPND; 24897c478bd9Sstevel@tonic-gate goto xmmprm; 24907c478bd9Sstevel@tonic-gate case XMMPRM: 24917c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 24927c478bd9Sstevel@tonic-gate w2 = XMM_OPND; 24937c478bd9Sstevel@tonic-gate xmmprm: 24947c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1); 24957c478bd9Sstevel@tonic-gate break; 24967c478bd9Sstevel@tonic-gate 24977c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int predicated mm/mem to mm reg */ 24987c478bd9Sstevel@tonic-gate case MMOPM: 24997c478bd9Sstevel@tonic-gate wbit = w2 = MM_OPND; 25007c478bd9Sstevel@tonic-gate goto xmmprm; 25017c478bd9Sstevel@tonic-gate 25027c478bd9Sstevel@tonic-gate /* MMX/SIMD-Int mm reg to r32 */ 25037c478bd9Sstevel@tonic-gate case MMOM3: 25047c478bd9Sstevel@tonic-gate NOMEM; 25057c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 25067c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 25077c478bd9Sstevel@tonic-gate goto error; 25087c478bd9Sstevel@tonic-gate wbit = MM_OPND; 25097c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 25107c478bd9Sstevel@tonic-gate break; 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg operand to xmm reg */ 25137c478bd9Sstevel@tonic-gate case XMM: 25147c478bd9Sstevel@tonic-gate case XMMO: 25157c478bd9Sstevel@tonic-gate case XMMXIMPL: 25167c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 25177c478bd9Sstevel@tonic-gate STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY) 25207c478bd9Sstevel@tonic-gate goto error; 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 25237c478bd9Sstevel@tonic-gate /* 25247c478bd9Sstevel@tonic-gate * movlps and movhlps share opcodes. They differ in the 25257c478bd9Sstevel@tonic-gate * addressing modes allowed for their operands. 25267c478bd9Sstevel@tonic-gate * movhps and movlhps behave similarly. 25277c478bd9Sstevel@tonic-gate */ 25287c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 25297c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movlps") == 0) 2530*d267098bSdmick (void) strncpy(x->d86_mnem, "movhlps", OPLEN); 25317c478bd9Sstevel@tonic-gate else if (strcmp(dp->it_name, "movhps") == 0) 2532*d267098bSdmick (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 25337c478bd9Sstevel@tonic-gate } 25347c478bd9Sstevel@tonic-gate #endif 25357c478bd9Sstevel@tonic-gate if (dp->it_adrmode == XMMXIMPL) 25367c478bd9Sstevel@tonic-gate mode = 0; /* change for memory access size... */ 25377c478bd9Sstevel@tonic-gate break; 25387c478bd9Sstevel@tonic-gate 25397c478bd9Sstevel@tonic-gate /* SIMD xmm reg to memory or xmm reg */ 25407c478bd9Sstevel@tonic-gate case XMMS: 25417c478bd9Sstevel@tonic-gate case XMMOS: 25427c478bd9Sstevel@tonic-gate case XMMMS: 25437c478bd9Sstevel@tonic-gate case XMMOMS: 25447c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 25457c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 25467c478bd9Sstevel@tonic-gate if ((strcmp(dp->it_name, "movlps") == 0 || 25477c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movhps") == 0 || 25487c478bd9Sstevel@tonic-gate strcmp(dp->it_name, "movntps") == 0) && 25497c478bd9Sstevel@tonic-gate mode == REG_ONLY) 25507c478bd9Sstevel@tonic-gate goto error; 25517c478bd9Sstevel@tonic-gate #endif 25527c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 25537c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 25547c478bd9Sstevel@tonic-gate break; 25557c478bd9Sstevel@tonic-gate 25567c478bd9Sstevel@tonic-gate /* SIMD memory to xmm reg */ 25577c478bd9Sstevel@tonic-gate case XMMM: 25587c478bd9Sstevel@tonic-gate case XMMOM: 25597c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 25607c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 25617c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 25627c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 25637c478bd9Sstevel@tonic-gate if (strcmp(dp->it_name, "movhps") == 0) 2564*d267098bSdmick (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 25657c478bd9Sstevel@tonic-gate else 25667c478bd9Sstevel@tonic-gate goto error; 25677c478bd9Sstevel@tonic-gate } 25687c478bd9Sstevel@tonic-gate #endif 25697c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 25707c478bd9Sstevel@tonic-gate break; 25717c478bd9Sstevel@tonic-gate 25727c478bd9Sstevel@tonic-gate /* SIMD memory or r32 to xmm reg */ 25737c478bd9Sstevel@tonic-gate case XMM3MX: 25747c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 25757c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 25767c478bd9Sstevel@tonic-gate break; 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate case XMM3MXS: 25797c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 25807c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 25817c478bd9Sstevel@tonic-gate break; 25827c478bd9Sstevel@tonic-gate 25837c478bd9Sstevel@tonic-gate /* SIMD memory or mm reg to xmm reg */ 25847c478bd9Sstevel@tonic-gate case XMMOMX: 25857c478bd9Sstevel@tonic-gate /* SIMD mm to xmm */ 25867c478bd9Sstevel@tonic-gate case XMMMX: 25877c478bd9Sstevel@tonic-gate wbit = MM_OPND; 25887c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 25897c478bd9Sstevel@tonic-gate break; 25907c478bd9Sstevel@tonic-gate 25917c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to mm reg */ 25927c478bd9Sstevel@tonic-gate case XMMXMM: 25937c478bd9Sstevel@tonic-gate case XMMOXMM: 25947c478bd9Sstevel@tonic-gate case XMMXM: 25957c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 25967c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 25977c478bd9Sstevel@tonic-gate break; 25987c478bd9Sstevel@tonic-gate 25997c478bd9Sstevel@tonic-gate 26007c478bd9Sstevel@tonic-gate /* SIMD memory or xmm reg to r32 */ 26017c478bd9Sstevel@tonic-gate case XMMXM3: 26027c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 26037c478bd9Sstevel@tonic-gate MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 26047c478bd9Sstevel@tonic-gate break; 26057c478bd9Sstevel@tonic-gate 26067c478bd9Sstevel@tonic-gate /* SIMD xmm to r32 */ 26077c478bd9Sstevel@tonic-gate case XMMX3: 26087c478bd9Sstevel@tonic-gate case XMMOX3: 26097c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 26107c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) 26117c478bd9Sstevel@tonic-gate goto error; 26127c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 26137c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, XMM_OPND, 0); 26147c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 26157c478bd9Sstevel@tonic-gate NOMEM; 26167c478bd9Sstevel@tonic-gate break; 26177c478bd9Sstevel@tonic-gate 26187c478bd9Sstevel@tonic-gate /* SIMD predicated memory or xmm reg with/to xmm reg */ 26197c478bd9Sstevel@tonic-gate case XMMP: 26207c478bd9Sstevel@tonic-gate case XMMOPM: 26217c478bd9Sstevel@tonic-gate wbit = XMM_OPND; 26227c478bd9Sstevel@tonic-gate THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 26237c478bd9Sstevel@tonic-gate 26247c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 26257c478bd9Sstevel@tonic-gate /* 26267c478bd9Sstevel@tonic-gate * cmpps and cmpss vary their instruction name based 26277c478bd9Sstevel@tonic-gate * on the value of imm8. Other XMMP instructions, 26287c478bd9Sstevel@tonic-gate * such as shufps, require explicit specification of 26297c478bd9Sstevel@tonic-gate * the predicate. 26307c478bd9Sstevel@tonic-gate */ 26317c478bd9Sstevel@tonic-gate if (dp->it_name[0] == 'c' && 26327c478bd9Sstevel@tonic-gate dp->it_name[1] == 'm' && 26337c478bd9Sstevel@tonic-gate dp->it_name[2] == 'p' && 26347c478bd9Sstevel@tonic-gate strlen(dp->it_name) == 5) { 26357c478bd9Sstevel@tonic-gate uchar_t pred = x->d86_opnd[0].d86_value & 0xff; 26367c478bd9Sstevel@tonic-gate 26377c478bd9Sstevel@tonic-gate if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *))) 26387c478bd9Sstevel@tonic-gate goto error; 26397c478bd9Sstevel@tonic-gate 2640*d267098bSdmick (void) strncpy(x->d86_mnem, "cmp", OPLEN); 2641*d267098bSdmick (void) strlcat(x->d86_mnem, dis_PREDSUFFIX[pred], 26427c478bd9Sstevel@tonic-gate OPLEN); 2643*d267098bSdmick (void) strlcat(x->d86_mnem, 26447c478bd9Sstevel@tonic-gate dp->it_name + strlen(dp->it_name) - 2, 26457c478bd9Sstevel@tonic-gate OPLEN); 26467c478bd9Sstevel@tonic-gate x->d86_opnd[0] = x->d86_opnd[1]; 26477c478bd9Sstevel@tonic-gate x->d86_opnd[1] = x->d86_opnd[2]; 26487c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 26497c478bd9Sstevel@tonic-gate } 26507c478bd9Sstevel@tonic-gate #endif 26517c478bd9Sstevel@tonic-gate break; 26527c478bd9Sstevel@tonic-gate 26537c478bd9Sstevel@tonic-gate /* immediate operand to accumulator */ 26547c478bd9Sstevel@tonic-gate case IA: 26557c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 26567c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 26577c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 26587c478bd9Sstevel@tonic-gate NOMEM; 26597c478bd9Sstevel@tonic-gate break; 26607c478bd9Sstevel@tonic-gate 26617c478bd9Sstevel@tonic-gate /* memory or register operand to accumulator */ 26627c478bd9Sstevel@tonic-gate case MA: 26637c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 26647c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 26657c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, wbit, 0); 26667c478bd9Sstevel@tonic-gate break; 26677c478bd9Sstevel@tonic-gate 26687c478bd9Sstevel@tonic-gate /* si register to di register used to reference memory */ 26697c478bd9Sstevel@tonic-gate case SD: 26707c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 26717c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 26727c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 26737c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) { 2674dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 26757c478bd9Sstevel@tonic-gate OPLEN); 2676dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 26777c478bd9Sstevel@tonic-gate OPLEN); 26787c478bd9Sstevel@tonic-gate } else if (addr_size == SIZE32) { 2679dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 26807c478bd9Sstevel@tonic-gate OPLEN); 2681dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 26827c478bd9Sstevel@tonic-gate OPLEN); 26837c478bd9Sstevel@tonic-gate } else { 2684dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 26857c478bd9Sstevel@tonic-gate OPLEN); 2686dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 26877c478bd9Sstevel@tonic-gate OPLEN); 26887c478bd9Sstevel@tonic-gate } 26897c478bd9Sstevel@tonic-gate #endif 26907c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 26917c478bd9Sstevel@tonic-gate break; 26927c478bd9Sstevel@tonic-gate 26937c478bd9Sstevel@tonic-gate /* accumulator to di register */ 26947c478bd9Sstevel@tonic-gate case AD: 26957c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 26967c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 26977c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 26987c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 26997c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0); 27007c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 2701dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 27027c478bd9Sstevel@tonic-gate OPLEN); 27037c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 2704dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 27057c478bd9Sstevel@tonic-gate OPLEN); 27067c478bd9Sstevel@tonic-gate else 2707dc0093f4Seschrock (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 27087c478bd9Sstevel@tonic-gate OPLEN); 27097c478bd9Sstevel@tonic-gate #endif 27107c478bd9Sstevel@tonic-gate break; 27117c478bd9Sstevel@tonic-gate 27127c478bd9Sstevel@tonic-gate /* si register to accumulator */ 27137c478bd9Sstevel@tonic-gate case SA: 27147c478bd9Sstevel@tonic-gate wbit = WBIT(opcode2); 27157c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 27167c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 27177c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 27187c478bd9Sstevel@tonic-gate if (addr_size == SIZE64) 2719dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 27207c478bd9Sstevel@tonic-gate OPLEN); 27217c478bd9Sstevel@tonic-gate else if (addr_size == SIZE32) 2722dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 27237c478bd9Sstevel@tonic-gate OPLEN); 27247c478bd9Sstevel@tonic-gate else 2725dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 27267c478bd9Sstevel@tonic-gate OPLEN); 27277c478bd9Sstevel@tonic-gate dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 27287c478bd9Sstevel@tonic-gate #endif 27297c478bd9Sstevel@tonic-gate break; 27307c478bd9Sstevel@tonic-gate 27317c478bd9Sstevel@tonic-gate /* 27327c478bd9Sstevel@tonic-gate * single operand, a 16/32 bit displacement 27337c478bd9Sstevel@tonic-gate */ 27347c478bd9Sstevel@tonic-gate case D: 27357c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27367c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 27377c478bd9Sstevel@tonic-gate NOMEM; 27387c478bd9Sstevel@tonic-gate break; 27397c478bd9Sstevel@tonic-gate 27407c478bd9Sstevel@tonic-gate /* jmp/call indirect to memory or register operand */ 27417c478bd9Sstevel@tonic-gate case INM: 27427c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2743dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN); 27447c478bd9Sstevel@tonic-gate #endif 27457c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 27467c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 27477c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27487c478bd9Sstevel@tonic-gate break; 27497c478bd9Sstevel@tonic-gate 27507c478bd9Sstevel@tonic-gate /* 27517c478bd9Sstevel@tonic-gate * for long jumps and long calls -- a new code segment 27527c478bd9Sstevel@tonic-gate * register and an offset in IP -- stored in object 27537c478bd9Sstevel@tonic-gate * code in reverse order. Note - not valid in amd64 27547c478bd9Sstevel@tonic-gate */ 27557c478bd9Sstevel@tonic-gate case SO: 27567c478bd9Sstevel@tonic-gate dtrace_check_override(x, 1); 27577c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27587c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1); 27597c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 27607c478bd9Sstevel@tonic-gate x->d86_opnd[1].d86_mode = MODE_SIGNED; 27617c478bd9Sstevel@tonic-gate #endif 27627c478bd9Sstevel@tonic-gate /* will now get segment operand */ 27637c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 27647c478bd9Sstevel@tonic-gate break; 27657c478bd9Sstevel@tonic-gate 27667c478bd9Sstevel@tonic-gate /* 27677c478bd9Sstevel@tonic-gate * jmp/call. single operand, 8 bit displacement. 27687c478bd9Sstevel@tonic-gate * added to current EIP in 'compofff' 27697c478bd9Sstevel@tonic-gate */ 27707c478bd9Sstevel@tonic-gate case BD: 27717c478bd9Sstevel@tonic-gate dtrace_disp_opnd(x, BYTE_OPND, 1, 0); 27727c478bd9Sstevel@tonic-gate NOMEM; 27737c478bd9Sstevel@tonic-gate break; 27747c478bd9Sstevel@tonic-gate 27757c478bd9Sstevel@tonic-gate /* single 32/16 bit immediate operand */ 27767c478bd9Sstevel@tonic-gate case I: 27777c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27787c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 27797c478bd9Sstevel@tonic-gate break; 27807c478bd9Sstevel@tonic-gate 27817c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 27827c478bd9Sstevel@tonic-gate case Ib: 27837c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27847c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 0); 27857c478bd9Sstevel@tonic-gate break; 27867c478bd9Sstevel@tonic-gate 27877c478bd9Sstevel@tonic-gate case ENTER: 27887c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 27897c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 27907c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 1, 1); 27917c478bd9Sstevel@tonic-gate switch (opnd_size) { 27927c478bd9Sstevel@tonic-gate case SIZE64: 27937c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8; 27947c478bd9Sstevel@tonic-gate break; 27957c478bd9Sstevel@tonic-gate case SIZE32: 27967c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4; 27977c478bd9Sstevel@tonic-gate break; 27987c478bd9Sstevel@tonic-gate case SIZE16: 27997c478bd9Sstevel@tonic-gate x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2; 28007c478bd9Sstevel@tonic-gate break; 28017c478bd9Sstevel@tonic-gate } 28027c478bd9Sstevel@tonic-gate 28037c478bd9Sstevel@tonic-gate break; 28047c478bd9Sstevel@tonic-gate 28057c478bd9Sstevel@tonic-gate /* 16-bit immediate operand */ 28067c478bd9Sstevel@tonic-gate case RET: 28077c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 28087c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, wbit, 2, 0); 28097c478bd9Sstevel@tonic-gate break; 28107c478bd9Sstevel@tonic-gate 28117c478bd9Sstevel@tonic-gate /* single 8 bit port operand */ 28127c478bd9Sstevel@tonic-gate case P: 28137c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 28147c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 28157c478bd9Sstevel@tonic-gate NOMEM; 28167c478bd9Sstevel@tonic-gate break; 28177c478bd9Sstevel@tonic-gate 28187c478bd9Sstevel@tonic-gate /* single operand, dx register (variable port instruction) */ 28197c478bd9Sstevel@tonic-gate case V: 28207c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 28217c478bd9Sstevel@tonic-gate dtrace_check_override(x, 0); 28227c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 2823dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN); 28247c478bd9Sstevel@tonic-gate #endif 28257c478bd9Sstevel@tonic-gate NOMEM; 28267c478bd9Sstevel@tonic-gate break; 28277c478bd9Sstevel@tonic-gate 28287c478bd9Sstevel@tonic-gate /* 28297c478bd9Sstevel@tonic-gate * The int instruction, which has two forms: 28307c478bd9Sstevel@tonic-gate * int 3 (breakpoint) or 28317c478bd9Sstevel@tonic-gate * int n, where n is indicated in the subsequent 28327c478bd9Sstevel@tonic-gate * byte (format Ib). The int 3 instruction (opcode 0xCC), 28337c478bd9Sstevel@tonic-gate * where, although the 3 looks like an operand, 28347c478bd9Sstevel@tonic-gate * it is implied by the opcode. It must be converted 28357c478bd9Sstevel@tonic-gate * to the correct base and output. 28367c478bd9Sstevel@tonic-gate */ 28377c478bd9Sstevel@tonic-gate case INT3: 28387c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28397c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 28407c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_mode = MODE_SIGNED; 28417c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value_size = 1; 28427c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_value = 3; 28437c478bd9Sstevel@tonic-gate #endif 28447c478bd9Sstevel@tonic-gate NOMEM; 28457c478bd9Sstevel@tonic-gate break; 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate /* single 8 bit immediate operand */ 28487c478bd9Sstevel@tonic-gate case INTx: 28497c478bd9Sstevel@tonic-gate dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 28507c478bd9Sstevel@tonic-gate NOMEM; 28517c478bd9Sstevel@tonic-gate break; 28527c478bd9Sstevel@tonic-gate 28537c478bd9Sstevel@tonic-gate /* an unused byte must be discarded */ 28547c478bd9Sstevel@tonic-gate case U: 28557c478bd9Sstevel@tonic-gate if (x->d86_get_byte(x->d86_data) < 0) 28567c478bd9Sstevel@tonic-gate goto error; 28577c478bd9Sstevel@tonic-gate x->d86_len++; 28587c478bd9Sstevel@tonic-gate NOMEM; 28597c478bd9Sstevel@tonic-gate break; 28607c478bd9Sstevel@tonic-gate 28617c478bd9Sstevel@tonic-gate case CBW: 28627c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28637c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 2864*d267098bSdmick (void) strlcat(x->d86_mnem, "cbtw", OPLEN); 28657c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 2866*d267098bSdmick (void) strlcat(x->d86_mnem, "cwtl", OPLEN); 28677c478bd9Sstevel@tonic-gate else 2868*d267098bSdmick (void) strlcat(x->d86_mnem, "cltq", OPLEN); 28697c478bd9Sstevel@tonic-gate #endif 28707c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 28717c478bd9Sstevel@tonic-gate NOMEM; 28727c478bd9Sstevel@tonic-gate break; 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate case CWD: 28757c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28767c478bd9Sstevel@tonic-gate if (opnd_size == SIZE16) 2877*d267098bSdmick (void) strlcat(x->d86_mnem, "cwtd", OPLEN); 28787c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 2879*d267098bSdmick (void) strlcat(x->d86_mnem, "cltd", OPLEN); 28807c478bd9Sstevel@tonic-gate else 2881*d267098bSdmick (void) strlcat(x->d86_mnem, "cqtd", OPLEN); 28827c478bd9Sstevel@tonic-gate #endif 28837c478bd9Sstevel@tonic-gate wbit = LONG_OPND; 28847c478bd9Sstevel@tonic-gate NOMEM; 28857c478bd9Sstevel@tonic-gate break; 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate case XMMSFNC: 28887c478bd9Sstevel@tonic-gate /* 28897c478bd9Sstevel@tonic-gate * sfence is sfence if mode is REG_ONLY. If mode isn't 28907c478bd9Sstevel@tonic-gate * REG_ONLY, mnemonic should be 'clflush'. 28917c478bd9Sstevel@tonic-gate */ 28927c478bd9Sstevel@tonic-gate dtrace_get_modrm(x, &mode, ®, &r_m); 28937c478bd9Sstevel@tonic-gate 28947c478bd9Sstevel@tonic-gate /* sfence doesn't take operands */ 28957c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 28967c478bd9Sstevel@tonic-gate if (mode == REG_ONLY) { 2897*d267098bSdmick (void) strlcat(x->d86_mnem, "sfence", OPLEN); 28987c478bd9Sstevel@tonic-gate } else { 2899*d267098bSdmick (void) strlcat(x->d86_mnem, "clflush", OPLEN); 29007c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 29017c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 29027c478bd9Sstevel@tonic-gate NOMEM; 29037c478bd9Sstevel@tonic-gate } 29047c478bd9Sstevel@tonic-gate #else 29057c478bd9Sstevel@tonic-gate if (mode != REG_ONLY) { 29067c478bd9Sstevel@tonic-gate dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 29077c478bd9Sstevel@tonic-gate dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 29087c478bd9Sstevel@tonic-gate NOMEM; 29097c478bd9Sstevel@tonic-gate } 29107c478bd9Sstevel@tonic-gate #endif 29117c478bd9Sstevel@tonic-gate break; 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate /* 29147c478bd9Sstevel@tonic-gate * no disassembly, the mnemonic was all there was so go on 29157c478bd9Sstevel@tonic-gate */ 29167c478bd9Sstevel@tonic-gate case NORM: 29177c478bd9Sstevel@tonic-gate if (dp->it_invalid32 && cpu_mode != SIZE64) 29187c478bd9Sstevel@tonic-gate goto error; 29197c478bd9Sstevel@tonic-gate NOMEM; 29207c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 29217c478bd9Sstevel@tonic-gate case IMPLMEM: 29227c478bd9Sstevel@tonic-gate break; 29237c478bd9Sstevel@tonic-gate 29247c478bd9Sstevel@tonic-gate case XMMFENCE: 29257c478bd9Sstevel@tonic-gate /* 29267c478bd9Sstevel@tonic-gate * Only the following exact byte sequences are allowed: 29277c478bd9Sstevel@tonic-gate * 29287c478bd9Sstevel@tonic-gate * 0f ae e8 lfence 29297c478bd9Sstevel@tonic-gate * 0f ae f0 mfence 29307c478bd9Sstevel@tonic-gate */ 29317c478bd9Sstevel@tonic-gate if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 && 29327c478bd9Sstevel@tonic-gate (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0) 29337c478bd9Sstevel@tonic-gate goto error; 29347c478bd9Sstevel@tonic-gate 29357c478bd9Sstevel@tonic-gate break; 29367c478bd9Sstevel@tonic-gate 29377c478bd9Sstevel@tonic-gate 29387c478bd9Sstevel@tonic-gate /* float reg */ 29397c478bd9Sstevel@tonic-gate case F: 29407c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 29417c478bd9Sstevel@tonic-gate x->d86_numopnds = 1; 2942dc0093f4Seschrock (void) strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN); 29437c478bd9Sstevel@tonic-gate x->d86_opnd[0].d86_opnd[4] = r_m + '0'; 29447c478bd9Sstevel@tonic-gate #endif 29457c478bd9Sstevel@tonic-gate NOMEM; 29467c478bd9Sstevel@tonic-gate break; 29477c478bd9Sstevel@tonic-gate 29487c478bd9Sstevel@tonic-gate /* float reg to float reg, with ret bit present */ 29497c478bd9Sstevel@tonic-gate case FF: 29507c478bd9Sstevel@tonic-gate vbit = opcode2 >> 2 & 0x1; /* vbit = 1: st -> st(i) */ 29517c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 29527c478bd9Sstevel@tonic-gate case FFC: /* case for vbit always = 0 */ 29537c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 29547c478bd9Sstevel@tonic-gate x->d86_numopnds = 2; 2955dc0093f4Seschrock (void) strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN); 2956dc0093f4Seschrock (void) strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN); 29577c478bd9Sstevel@tonic-gate x->d86_opnd[vbit].d86_opnd[4] = r_m + '0'; 29587c478bd9Sstevel@tonic-gate #endif 29597c478bd9Sstevel@tonic-gate NOMEM; 29607c478bd9Sstevel@tonic-gate break; 29617c478bd9Sstevel@tonic-gate 29627c478bd9Sstevel@tonic-gate /* an invalid op code */ 29637c478bd9Sstevel@tonic-gate case AM: 29647c478bd9Sstevel@tonic-gate case DM: 29657c478bd9Sstevel@tonic-gate case OVERRIDE: 29667c478bd9Sstevel@tonic-gate case PREFIX: 29677c478bd9Sstevel@tonic-gate case UNKNOWN: 29687c478bd9Sstevel@tonic-gate NOMEM; 29697c478bd9Sstevel@tonic-gate default: 29707c478bd9Sstevel@tonic-gate goto error; 29717c478bd9Sstevel@tonic-gate } /* end switch */ 29727c478bd9Sstevel@tonic-gate if (x->d86_error) 29737c478bd9Sstevel@tonic-gate goto error; 29747c478bd9Sstevel@tonic-gate 29757c478bd9Sstevel@tonic-gate done: 29767c478bd9Sstevel@tonic-gate #ifdef DIS_MEM 29777c478bd9Sstevel@tonic-gate /* 29787c478bd9Sstevel@tonic-gate * compute the size of any memory accessed by the instruction 29797c478bd9Sstevel@tonic-gate */ 29807c478bd9Sstevel@tonic-gate if (x->d86_memsize != 0) { 29817c478bd9Sstevel@tonic-gate return (0); 29827c478bd9Sstevel@tonic-gate } else if (dp->it_stackop) { 29837c478bd9Sstevel@tonic-gate switch (opnd_size) { 29847c478bd9Sstevel@tonic-gate case SIZE16: 29857c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 29867c478bd9Sstevel@tonic-gate break; 29877c478bd9Sstevel@tonic-gate case SIZE32: 29887c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 29897c478bd9Sstevel@tonic-gate break; 29907c478bd9Sstevel@tonic-gate case SIZE64: 29917c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 29927c478bd9Sstevel@tonic-gate break; 29937c478bd9Sstevel@tonic-gate } 29947c478bd9Sstevel@tonic-gate } else if (nomem || mode == REG_ONLY) { 29957c478bd9Sstevel@tonic-gate x->d86_memsize = 0; 29967c478bd9Sstevel@tonic-gate 29977c478bd9Sstevel@tonic-gate } else if (dp->it_size != 0) { 29987c478bd9Sstevel@tonic-gate /* 29997c478bd9Sstevel@tonic-gate * In 64 bit mode descriptor table entries 30007c478bd9Sstevel@tonic-gate * go up to 10 bytes and popf/pushf are always 8 bytes 30017c478bd9Sstevel@tonic-gate */ 30027c478bd9Sstevel@tonic-gate if (x->d86_mode == SIZE64 && dp->it_size == 6) 30037c478bd9Sstevel@tonic-gate x->d86_memsize = 10; 30047c478bd9Sstevel@tonic-gate else if (x->d86_mode == SIZE64 && opcode1 == 0x9 && 30057c478bd9Sstevel@tonic-gate (opcode2 == 0xc || opcode2 == 0xd)) 30067c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 30077c478bd9Sstevel@tonic-gate else 30087c478bd9Sstevel@tonic-gate x->d86_memsize = dp->it_size; 30097c478bd9Sstevel@tonic-gate 30107c478bd9Sstevel@tonic-gate } else if (wbit == 0) { 30117c478bd9Sstevel@tonic-gate x->d86_memsize = 1; 30127c478bd9Sstevel@tonic-gate 30137c478bd9Sstevel@tonic-gate } else if (wbit == LONG_OPND) { 30147c478bd9Sstevel@tonic-gate if (opnd_size == SIZE64) 30157c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 30167c478bd9Sstevel@tonic-gate else if (opnd_size == SIZE32) 30177c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 30187c478bd9Sstevel@tonic-gate else 30197c478bd9Sstevel@tonic-gate x->d86_memsize = 2; 30207c478bd9Sstevel@tonic-gate 30217c478bd9Sstevel@tonic-gate } else if (wbit == SEG_OPND) { 30227c478bd9Sstevel@tonic-gate x->d86_memsize = 4; 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate } else { 30257c478bd9Sstevel@tonic-gate x->d86_memsize = 8; 30267c478bd9Sstevel@tonic-gate } 30277c478bd9Sstevel@tonic-gate #endif 30287c478bd9Sstevel@tonic-gate return (0); 30297c478bd9Sstevel@tonic-gate 30307c478bd9Sstevel@tonic-gate error: 30317c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 3032*d267098bSdmick (void) strlcat(x->d86_mnem, "undef", OPLEN); 30337c478bd9Sstevel@tonic-gate #endif 30347c478bd9Sstevel@tonic-gate return (1); 30357c478bd9Sstevel@tonic-gate } 30367c478bd9Sstevel@tonic-gate 30377c478bd9Sstevel@tonic-gate #ifdef DIS_TEXT 30387c478bd9Sstevel@tonic-gate 30397c478bd9Sstevel@tonic-gate /* 30407c478bd9Sstevel@tonic-gate * Some instructions should have immediate operands printed 30417c478bd9Sstevel@tonic-gate * as unsigned integers. We compare against this table. 30427c478bd9Sstevel@tonic-gate */ 30437c478bd9Sstevel@tonic-gate static char *unsigned_ops[] = { 30447c478bd9Sstevel@tonic-gate "or", "and", "xor", "test", "in", "out", "lcall", "ljmp", 30457c478bd9Sstevel@tonic-gate "rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl", 30467c478bd9Sstevel@tonic-gate 0 30477c478bd9Sstevel@tonic-gate }; 30487c478bd9Sstevel@tonic-gate 3049*d267098bSdmick 30507c478bd9Sstevel@tonic-gate static int 30517c478bd9Sstevel@tonic-gate isunsigned_op(char *opcode) 30527c478bd9Sstevel@tonic-gate { 30537c478bd9Sstevel@tonic-gate char *where; 30547c478bd9Sstevel@tonic-gate int i; 30557c478bd9Sstevel@tonic-gate int is_unsigned = 0; 30567c478bd9Sstevel@tonic-gate 30577c478bd9Sstevel@tonic-gate /* 30587c478bd9Sstevel@tonic-gate * Work back to start of last mnemonic, since we may have 30597c478bd9Sstevel@tonic-gate * prefixes on some opcodes. 30607c478bd9Sstevel@tonic-gate */ 30617c478bd9Sstevel@tonic-gate where = opcode + strlen(opcode) - 1; 30627c478bd9Sstevel@tonic-gate while (where > opcode && *where != ' ') 30637c478bd9Sstevel@tonic-gate --where; 30647c478bd9Sstevel@tonic-gate if (*where == ' ') 30657c478bd9Sstevel@tonic-gate ++where; 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate for (i = 0; unsigned_ops[i]; ++i) { 30687c478bd9Sstevel@tonic-gate if (strncmp(where, unsigned_ops[i], 30697c478bd9Sstevel@tonic-gate strlen(unsigned_ops[i]))) 30707c478bd9Sstevel@tonic-gate continue; 30717c478bd9Sstevel@tonic-gate is_unsigned = 1; 30727c478bd9Sstevel@tonic-gate break; 30737c478bd9Sstevel@tonic-gate } 30747c478bd9Sstevel@tonic-gate return (is_unsigned); 30757c478bd9Sstevel@tonic-gate } 30767c478bd9Sstevel@tonic-gate 3077*d267098bSdmick /* 3078*d267098bSdmick * Print a numeric immediate into end of buf, maximum length buflen. 3079*d267098bSdmick * The immediate may be an address or a displacement. Mask is set 3080*d267098bSdmick * for address size. If the immediate is a "small negative", or 3081*d267098bSdmick * if it's a negative displacement of any magnitude, print as -<absval>. 3082*d267098bSdmick * Respect the "octal" flag. "Small negative" is defined as "in the 3083*d267098bSdmick * interval [NEG_LIMIT, 0)". 3084*d267098bSdmick * 3085*d267098bSdmick * Also, "isunsigned_op()" instructions never print negatives. 3086*d267098bSdmick * 3087*d267098bSdmick * Return whether we decided to print a negative value or not. 3088*d267098bSdmick */ 3089*d267098bSdmick 3090*d267098bSdmick #define NEG_LIMIT -255 3091*d267098bSdmick enum {IMM, DISP}; 3092*d267098bSdmick enum {POS, TRY_NEG}; 3093*d267098bSdmick 3094*d267098bSdmick static int 3095*d267098bSdmick print_imm(dis86_t *dis, uint64_t usv, uint64_t mask, char *buf, 3096*d267098bSdmick size_t buflen, int disp, int try_neg) 3097*d267098bSdmick { 3098*d267098bSdmick int curlen; 3099*d267098bSdmick int64_t sv = (int64_t)usv; 3100*d267098bSdmick int octal = dis->d86_flags & DIS_F_OCTAL; 3101*d267098bSdmick 3102*d267098bSdmick curlen = strlen(buf); 3103*d267098bSdmick 3104*d267098bSdmick if (try_neg == TRY_NEG && sv < 0 && 3105*d267098bSdmick (disp || sv >= NEG_LIMIT) && 3106*d267098bSdmick !isunsigned_op(dis->d86_mnem)) { 3107*d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3108*d267098bSdmick octal ? "-0%llo" : "-0x%llx", (-sv) & mask); 3109*d267098bSdmick return (1); 3110*d267098bSdmick } else { 3111*d267098bSdmick if (disp == DISP) 3112*d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3113*d267098bSdmick octal ? "+0%llo" : "+0x%llx", usv & mask); 3114*d267098bSdmick else 3115*d267098bSdmick dis->d86_sprintf_func(buf + curlen, buflen - curlen, 3116*d267098bSdmick octal ? "0%llo" : "0x%llx", usv & mask); 3117*d267098bSdmick return (0); 3118*d267098bSdmick 3119*d267098bSdmick } 3120*d267098bSdmick } 3121*d267098bSdmick 3122*d267098bSdmick 3123*d267098bSdmick static int 3124*d267098bSdmick log2(int size) 3125*d267098bSdmick { 3126*d267098bSdmick switch (size) { 3127*d267098bSdmick case 1: return (0); 3128*d267098bSdmick case 2: return (1); 3129*d267098bSdmick case 4: return (2); 3130*d267098bSdmick case 8: return (3); 3131*d267098bSdmick } 3132*d267098bSdmick return (0); 3133*d267098bSdmick } 3134*d267098bSdmick 31357c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31367c478bd9Sstevel@tonic-gate void 3137*d267098bSdmick dtrace_disx86_str(dis86_t *dis, uint_t mode, uint64_t pc, char *buf, 31387c478bd9Sstevel@tonic-gate size_t buflen) 31397c478bd9Sstevel@tonic-gate { 3140*d267098bSdmick uint64_t reltgt = 0; 3141*d267098bSdmick uint64_t tgt = 0; 3142*d267098bSdmick int curlen; 3143*d267098bSdmick int (*lookup)(void *, uint64_t, char *, size_t); 31447c478bd9Sstevel@tonic-gate int i; 3145*d267098bSdmick int64_t sv; 3146*d267098bSdmick uint64_t usv, mask, save_mask, save_usv; 3147*d267098bSdmick static uint64_t masks[] = 3148*d267098bSdmick {0xffU, 0xffffU, 0xffffffffU, 0xffffffffffffffffULL}; 3149*d267098bSdmick save_usv = 0; 31507c478bd9Sstevel@tonic-gate 3151*d267098bSdmick dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mnem); 31527c478bd9Sstevel@tonic-gate 3153dc0093f4Seschrock /* 3154dc0093f4Seschrock * For PC-relative jumps, the pc is really the next pc after executing 3155dc0093f4Seschrock * this instruction, so increment it appropriately. 3156dc0093f4Seschrock */ 3157dc0093f4Seschrock pc += dis->d86_len; 3158dc0093f4Seschrock 31597c478bd9Sstevel@tonic-gate for (i = 0; i < dis->d86_numopnds; i++) { 31607c478bd9Sstevel@tonic-gate d86opnd_t *op = &dis->d86_opnd[i]; 31617c478bd9Sstevel@tonic-gate 31627c478bd9Sstevel@tonic-gate if (i != 0) 31637c478bd9Sstevel@tonic-gate (void) strlcat(buf, ",", buflen); 31647c478bd9Sstevel@tonic-gate 31657c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_prefix, buflen); 31667c478bd9Sstevel@tonic-gate 3167*d267098bSdmick /* 3168*d267098bSdmick * sv is for the signed, possibly-truncated immediate or 3169*d267098bSdmick * displacement; usv retains the original size and 3170*d267098bSdmick * unsignedness for symbol lookup. 3171*d267098bSdmick */ 3172*d267098bSdmick 3173*d267098bSdmick sv = usv = op->d86_value; 3174*d267098bSdmick 3175*d267098bSdmick /* 3176*d267098bSdmick * About masks: for immediates that represent 3177*d267098bSdmick * addresses, the appropriate display size is 3178*d267098bSdmick * the effective address size of the instruction. 3179*d267098bSdmick * This includes MODE_OFFSET, MODE_IPREL, and 3180*d267098bSdmick * MODE_RIPREL. Immediates that are simply 3181*d267098bSdmick * immediate values should display in the operand's 3182*d267098bSdmick * size, however, since they don't represent addresses. 3183*d267098bSdmick */ 3184*d267098bSdmick 3185*d267098bSdmick /* d86_addr_size is SIZEnn, which is log2(real size) */ 3186*d267098bSdmick mask = masks[dis->d86_addr_size]; 3187*d267098bSdmick 3188*d267098bSdmick /* d86_value_size and d86_imm_bytes are in bytes */ 3189*d267098bSdmick if (op->d86_mode == MODE_SIGNED || 3190*d267098bSdmick op->d86_mode == MODE_IMPLIED) 3191*d267098bSdmick mask = masks[log2(op->d86_value_size)]; 31927c478bd9Sstevel@tonic-gate 31937c478bd9Sstevel@tonic-gate switch (op->d86_mode) { 31947c478bd9Sstevel@tonic-gate 31957c478bd9Sstevel@tonic-gate case MODE_NONE: 31967c478bd9Sstevel@tonic-gate 31977c478bd9Sstevel@tonic-gate (void) strlcat(buf, op->d86_opnd, buflen); 31987c478bd9Sstevel@tonic-gate break; 31997c478bd9Sstevel@tonic-gate 32007c478bd9Sstevel@tonic-gate case MODE_SIGNED: 32017c478bd9Sstevel@tonic-gate case MODE_IMPLIED: 32027c478bd9Sstevel@tonic-gate case MODE_OFFSET: 32037c478bd9Sstevel@tonic-gate 3204*d267098bSdmick tgt = usv; 3205*d267098bSdmick 32067c478bd9Sstevel@tonic-gate if (dis->d86_seg_prefix) 3207dc0093f4Seschrock (void) strlcat(buf, dis->d86_seg_prefix, 3208dc0093f4Seschrock buflen); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate if (op->d86_mode == MODE_SIGNED || 3211*d267098bSdmick op->d86_mode == MODE_IMPLIED) { 3212dc0093f4Seschrock (void) strlcat(buf, "$", buflen); 3213*d267098bSdmick } 32147c478bd9Sstevel@tonic-gate 3215*d267098bSdmick if (print_imm(dis, usv, mask, buf, buflen, 3216*d267098bSdmick IMM, TRY_NEG) && 3217*d267098bSdmick (op->d86_mode == MODE_SIGNED || 3218*d267098bSdmick op->d86_mode == MODE_IMPLIED)) { 3219*d267098bSdmick 3220*d267098bSdmick /* 3221*d267098bSdmick * We printed a negative value for an 3222*d267098bSdmick * immediate that wasn't a 3223*d267098bSdmick * displacement. Note that fact so we can 3224*d267098bSdmick * print the positive value as an 3225*d267098bSdmick * annotation. 3226*d267098bSdmick */ 3227*d267098bSdmick 3228*d267098bSdmick save_usv = usv; 3229*d267098bSdmick save_mask = mask; 32307c478bd9Sstevel@tonic-gate } 3231dc0093f4Seschrock (void) strlcat(buf, op->d86_opnd, buflen); 3232*d267098bSdmick 32337c478bd9Sstevel@tonic-gate break; 32347c478bd9Sstevel@tonic-gate 32357c478bd9Sstevel@tonic-gate case MODE_IPREL: 3236*d267098bSdmick case MODE_RIPREL: 32377c478bd9Sstevel@tonic-gate 3238*d267098bSdmick reltgt = pc + sv; 3239*d267098bSdmick 3240*d267098bSdmick switch (mode) { 3241*d267098bSdmick case SIZE16: 3242*d267098bSdmick reltgt = (uint16_t)reltgt; 32437c478bd9Sstevel@tonic-gate break; 3244*d267098bSdmick case SIZE32: 3245*d267098bSdmick reltgt = (uint32_t)reltgt; 32467c478bd9Sstevel@tonic-gate break; 32477c478bd9Sstevel@tonic-gate } 32487c478bd9Sstevel@tonic-gate 3249*d267098bSdmick (void) print_imm(dis, usv, mask, buf, buflen, 3250*d267098bSdmick DISP, TRY_NEG); 32517c478bd9Sstevel@tonic-gate 3252*d267098bSdmick if (op->d86_mode == MODE_RIPREL) 3253*d267098bSdmick (void) strlcat(buf, "(%rip)", buflen); 3254*d267098bSdmick break; 3255*d267098bSdmick } 3256*d267098bSdmick } 32577c478bd9Sstevel@tonic-gate 3258*d267098bSdmick /* 3259*d267098bSdmick * The symbol lookups may result in false positives, 3260*d267098bSdmick * particularly on object files, where small numbers may match 3261*d267098bSdmick * the 0-relative non-relocated addresses of symbols. 3262*d267098bSdmick */ 32637c478bd9Sstevel@tonic-gate 3264*d267098bSdmick lookup = dis->d86_sym_lookup; 3265*d267098bSdmick if (tgt != 0) { 3266*d267098bSdmick /* Print symbol, if found, for tgt */ 3267*d267098bSdmick if (lookup(dis->d86_data, tgt, NULL, 0) == 0) { 3268*d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3269*d267098bSdmick curlen = strlen(buf); 3270*d267098bSdmick lookup(dis->d86_data, tgt, buf + curlen, 3271*d267098bSdmick buflen - curlen); 3272dc0093f4Seschrock (void) strlcat(buf, ">", buflen); 3273*d267098bSdmick } 32747c478bd9Sstevel@tonic-gate 3275*d267098bSdmick /* 3276*d267098bSdmick * If we printed a negative immediate above, print the 3277*d267098bSdmick * positive in case our heuristic was unhelpful 3278*d267098bSdmick */ 3279*d267098bSdmick if (save_usv) { 3280*d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3281*d267098bSdmick (void) print_imm(dis, save_usv, save_mask, buf, buflen, 3282*d267098bSdmick IMM, POS); 3283*d267098bSdmick (void) strlcat(buf, ">", buflen); 32847c478bd9Sstevel@tonic-gate } 32857c478bd9Sstevel@tonic-gate } 3286*d267098bSdmick 3287*d267098bSdmick if (reltgt != 0) { 3288*d267098bSdmick /* Print symbol or effective address for reltgt */ 3289*d267098bSdmick 3290*d267098bSdmick (void) strlcat(buf, "\t<", buflen); 3291*d267098bSdmick curlen = strlen(buf); 3292*d267098bSdmick lookup(dis->d86_data, reltgt, buf + curlen, 3293*d267098bSdmick buflen - curlen); 3294*d267098bSdmick (void) strlcat(buf, ">", buflen); 3295*d267098bSdmick } 32967c478bd9Sstevel@tonic-gate } 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate #endif /* DIS_TEXT */ 3299