1 /* 2 * 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2016 Joyent, Inc. 25 */ 26 27 /* 28 * Copyright (c) 2010, Intel Corporation. 29 * All rights reserved. 30 */ 31 32 /* Copyright (c) 1988 AT&T */ 33 /* All Rights Reserved */ 34 35 /* 36 * $FreeBSD: head/sys/cddl/dev/dtrace/x86/dis_tables.c 313133 2017-02-03 03:22:47Z markj $ 37 */ 38 39 #include "dis_tables.h" 40 41 /* BEGIN CSTYLED */ 42 43 /* 44 * Disassembly begins in dis_distable, which is equivalent to the One-byte 45 * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy). The 46 * decoding loops then traverse out through the other tables as necessary to 47 * decode a given instruction. 48 * 49 * The behavior of this file can be controlled by one of the following flags: 50 * 51 * DIS_TEXT Include text for disassembly 52 * DIS_MEM Include memory-size calculations 53 * 54 * Either or both of these can be defined. 55 * 56 * This file is not, and will never be, cstyled. If anything, the tables should 57 * be taken out another tab stop or two so nothing overlaps. 58 */ 59 60 /* 61 * These functions must be provided for the consumer to do disassembly. 62 */ 63 #ifdef DIS_TEXT 64 extern char *strncpy(char *, const char *, size_t); 65 extern size_t strlen(const char *); 66 extern int strcmp(const char *, const char *); 67 extern int strncmp(const char *, const char *, size_t); 68 extern size_t strlcat(char *, const char *, size_t); 69 #endif 70 71 72 #define TERM 0 /* used to indicate that the 'indirect' */ 73 /* field terminates - no pointer. */ 74 75 /* Used to decode instructions. */ 76 typedef struct instable { 77 struct instable *it_indirect; /* for decode op codes */ 78 uchar_t it_adrmode; 79 #ifdef DIS_TEXT 80 char it_name[NCPS]; 81 uint_t it_suffix:1; /* mnem + "w", "l", or "d" */ 82 #endif 83 #ifdef DIS_MEM 84 uint_t it_size:16; 85 #endif 86 uint_t it_invalid64:1; /* opcode invalid in amd64 */ 87 uint_t it_always64:1; /* 64 bit when in 64 bit mode */ 88 uint_t it_invalid32:1; /* invalid in IA32 */ 89 uint_t it_stackop:1; /* push/pop stack operation */ 90 uint_t it_vexwoxmm:1; /* VEX instructions that don't use XMM/YMM */ 91 uint_t it_avxsuf:1; /* AVX suffix required */ 92 } instable_t; 93 94 /* 95 * Instruction formats. 96 */ 97 enum { 98 UNKNOWN, 99 MRw, 100 IMlw, 101 IMw, 102 IR, 103 OA, 104 AO, 105 MS, 106 SM, 107 Mv, 108 Mw, 109 M, /* register or memory */ 110 MG9, /* register or memory in group 9 (prefix optional) */ 111 Mb, /* register or memory, always byte sized */ 112 MO, /* memory only (no registers) */ 113 PREF, 114 SWAPGS_RDTSCP, 115 MONITOR_MWAIT, 116 R, 117 RA, 118 SEG, 119 MR, 120 RM, 121 RM_66r, /* RM, but with a required 0x66 prefix */ 122 IA, 123 MA, 124 SD, 125 AD, 126 SA, 127 D, 128 INM, 129 SO, 130 BD, 131 I, 132 P, 133 V, 134 DSHIFT, /* for double shift that has an 8-bit immediate */ 135 U, 136 OVERRIDE, 137 NORM, /* instructions w/o ModR/M byte, no memory access */ 138 IMPLMEM, /* instructions w/o ModR/M byte, implicit mem access */ 139 O, /* for call */ 140 JTAB, /* jump table */ 141 IMUL, /* for 186 iimul instr */ 142 CBW, /* so data16 can be evaluated for cbw and variants */ 143 MvI, /* for 186 logicals */ 144 ENTER, /* for 186 enter instr */ 145 RMw, /* for 286 arpl instr */ 146 Ib, /* for push immediate byte */ 147 F, /* for 287 instructions */ 148 FF, /* for 287 instructions */ 149 FFC, /* for 287 instructions */ 150 DM, /* 16-bit data */ 151 AM, /* 16-bit addr */ 152 LSEG, /* for 3-bit seg reg encoding */ 153 MIb, /* for 386 logicals */ 154 SREG, /* for 386 special registers */ 155 PREFIX, /* a REP instruction prefix */ 156 LOCK, /* a LOCK instruction prefix */ 157 INT3, /* The int 3 instruction, which has a fake operand */ 158 INTx, /* The normal int instruction, with explicit int num */ 159 DSHIFTcl, /* for double shift that implicitly uses %cl */ 160 CWD, /* so data16 can be evaluated for cwd and variants */ 161 RET, /* single immediate 16-bit operand */ 162 MOVZ, /* for movs and movz, with different size operands */ 163 CRC32, /* for crc32, with different size operands */ 164 XADDB, /* for xaddb */ 165 MOVSXZ, /* AMD64 mov sign extend 32 to 64 bit instruction */ 166 MOVBE, /* movbe instruction */ 167 168 /* 169 * MMX/SIMD addressing modes. 170 */ 171 172 MMO, /* Prefixable MMX/SIMD-Int mm/mem -> mm */ 173 MMOIMPL, /* Prefixable MMX/SIMD-Int mm -> mm (mem) */ 174 MMO3P, /* Prefixable MMX/SIMD-Int mm -> r32,imm8 */ 175 MMOM3, /* Prefixable MMX/SIMD-Int mm -> r32 */ 176 MMOS, /* Prefixable MMX/SIMD-Int mm -> mm/mem */ 177 MMOMS, /* Prefixable MMX/SIMD-Int mm -> mem */ 178 MMOPM, /* MMX/SIMD-Int mm/mem -> mm,imm8 */ 179 MMOPM_66o, /* MMX/SIMD-Int 0x66 optional mm/mem -> mm,imm8 */ 180 MMOPRM, /* Prefixable MMX/SIMD-Int r32/mem -> mm,imm8 */ 181 MMOSH, /* Prefixable MMX mm,imm8 */ 182 MM, /* MMX/SIMD-Int mm/mem -> mm */ 183 MMS, /* MMX/SIMD-Int mm -> mm/mem */ 184 MMSH, /* MMX mm,imm8 */ 185 XMMO, /* Prefixable SIMD xmm/mem -> xmm */ 186 XMMOS, /* Prefixable SIMD xmm -> xmm/mem */ 187 XMMOPM, /* Prefixable SIMD xmm/mem w/to xmm,imm8 */ 188 XMMOMX, /* Prefixable SIMD mm/mem -> xmm */ 189 XMMOX3, /* Prefixable SIMD xmm -> r32 */ 190 XMMOXMM, /* Prefixable SIMD xmm/mem -> mm */ 191 XMMOM, /* Prefixable SIMD xmm -> mem */ 192 XMMOMS, /* Prefixable SIMD mem -> xmm */ 193 XMM, /* SIMD xmm/mem -> xmm */ 194 XMM_66r, /* SIMD 0x66 prefix required xmm/mem -> xmm */ 195 XMM_66o, /* SIMD 0x66 prefix optional xmm/mem -> xmm */ 196 XMMXIMPL, /* SIMD xmm -> xmm (mem) */ 197 XMM3P, /* SIMD xmm -> r32,imm8 */ 198 XMM3PM_66r, /* SIMD 0x66 prefix required xmm -> r32/mem,imm8 */ 199 XMMP, /* SIMD xmm/mem w/to xmm,imm8 */ 200 XMMP_66o, /* SIMD 0x66 prefix optional xmm/mem w/to xmm,imm8 */ 201 XMMP_66r, /* SIMD 0x66 prefix required xmm/mem w/to xmm,imm8 */ 202 XMMPRM, /* SIMD r32/mem -> xmm,imm8 */ 203 XMMPRM_66r, /* SIMD 0x66 prefix required r32/mem -> xmm,imm8 */ 204 XMMS, /* SIMD xmm -> xmm/mem */ 205 XMMM, /* SIMD mem -> xmm */ 206 XMMM_66r, /* SIMD 0x66 prefix required mem -> xmm */ 207 XMMMS, /* SIMD xmm -> mem */ 208 XMM3MX, /* SIMD r32/mem -> xmm */ 209 XMM3MXS, /* SIMD xmm -> r32/mem */ 210 XMMSH, /* SIMD xmm,imm8 */ 211 XMMXM3, /* SIMD xmm/mem -> r32 */ 212 XMMX3, /* SIMD xmm -> r32 */ 213 XMMXMM, /* SIMD xmm/mem -> mm */ 214 XMMMX, /* SIMD mm -> xmm */ 215 XMMXM, /* SIMD xmm -> mm */ 216 XMMX2I, /* SIMD xmm -> xmm, imm, imm */ 217 XMM2I, /* SIMD xmm, imm, imm */ 218 XMMFENCE, /* SIMD lfence or mfence */ 219 XMMSFNC, /* SIMD sfence (none or mem) */ 220 XGETBV_XSETBV, 221 VEX_NONE, /* VEX no operand */ 222 VEX_MO, /* VEX mod_rm -> implicit reg */ 223 VEX_RMrX, /* VEX VEX.vvvv, mod_rm -> mod_reg */ 224 VEX_VRMrX, /* VEX mod_rm, VEX.vvvv -> mod_rm */ 225 VEX_RRX, /* VEX VEX.vvvv, mod_reg -> mod_rm */ 226 VEX_RMRX, /* VEX VEX.vvvv, mod_rm, imm8[7:4] -> mod_reg */ 227 VEX_MX, /* VEX mod_rm -> mod_reg */ 228 VEX_MXI, /* VEX mod_rm, imm8 -> mod_reg */ 229 VEX_XXI, /* VEX mod_rm, imm8 -> VEX.vvvv */ 230 VEX_MR, /* VEX mod_rm -> mod_reg */ 231 VEX_RRI, /* VEX mod_reg, mod_rm -> implicit(eflags/r32) */ 232 VEX_RX, /* VEX mod_reg -> mod_rm */ 233 VEX_RR, /* VEX mod_rm -> mod_reg */ 234 VEX_RRi, /* VEX mod_rm, imm8 -> mod_reg */ 235 VEX_RM, /* VEX mod_reg -> mod_rm */ 236 VEX_RIM, /* VEX mod_reg, imm8 -> mod_rm */ 237 VEX_RRM, /* VEX VEX.vvvv, mod_reg -> mod_rm */ 238 VEX_RMX, /* VEX VEX.vvvv, mod_rm -> mod_reg */ 239 VEX_SbVM, /* VEX SIB, VEX.vvvv -> mod_rm */ 240 VMx, /* vmcall/vmlaunch/vmresume/vmxoff */ 241 VMxo, /* VMx instruction with optional prefix */ 242 SVM, /* AMD SVM instructions */ 243 BLS, /* BLSR, BLSMSK, BLSI */ 244 FMA, /* FMA instructions, all VEX_RMrX */ 245 ADX /* ADX instructions, support REX.w, mod_rm->mod_reg */ 246 }; 247 248 /* 249 * VEX prefixes 250 */ 251 #define VEX_2bytes 0xC5 /* the first byte of two-byte form */ 252 #define VEX_3bytes 0xC4 /* the first byte of three-byte form */ 253 254 #define FILL 0x90 /* Fill byte used for alignment (nop) */ 255 256 /* 257 ** Register numbers for the i386 258 */ 259 #define EAX_REGNO 0 260 #define ECX_REGNO 1 261 #define EDX_REGNO 2 262 #define EBX_REGNO 3 263 #define ESP_REGNO 4 264 #define EBP_REGNO 5 265 #define ESI_REGNO 6 266 #define EDI_REGNO 7 267 268 /* 269 * modes for immediate values 270 */ 271 #define MODE_NONE 0 272 #define MODE_IPREL 1 /* signed IP relative value */ 273 #define MODE_SIGNED 2 /* sign extended immediate */ 274 #define MODE_IMPLIED 3 /* constant value implied from opcode */ 275 #define MODE_OFFSET 4 /* offset part of an address */ 276 #define MODE_RIPREL 5 /* like IPREL, but from %rip (amd64) */ 277 278 /* 279 * The letters used in these macros are: 280 * IND - indirect to another to another table 281 * "T" - means to Terminate indirections (this is the final opcode) 282 * "S" - means "operand length suffix required" 283 * "Sa" - means AVX2 suffix (d/q) required 284 * "NS" - means "no suffix" which is the operand length suffix of the opcode 285 * "Z" - means instruction size arg required 286 * "u" - means the opcode is invalid in IA32 but valid in amd64 287 * "x" - means the opcode is invalid in amd64, but not IA32 288 * "y" - means the operand size is always 64 bits in 64 bit mode 289 * "p" - means push/pop stack operation 290 * "vr" - means VEX instruction that operates on normal registers, not fpu 291 */ 292 293 #if defined(DIS_TEXT) && defined(DIS_MEM) 294 #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0} 295 #define INDx(table) {(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0} 296 #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0, 0} 297 #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 0, 1, 0} 298 #define TNSx(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0, 0} 299 #define TNSy(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 0} 300 #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 1} 301 #define TNSZ(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0} 302 #define TNSZy(name, amode, sz) {TERM, amode, name, 0, sz, 0, 1, 0, 0} 303 #define TNSZvr(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0, 1} 304 #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 0} 305 #define TSx(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0, 0} 306 #define TSy(name, amode) {TERM, amode, name, 1, 0, 0, 1, 0, 0} 307 #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 1} 308 #define TSZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0} 309 #define TSaZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0, 0, 1} 310 #define TSZx(name, amode, sz) {TERM, amode, name, 1, sz, 1, 0, 0, 0} 311 #define TSZy(name, amode, sz) {TERM, amode, name, 1, sz, 0, 1, 0, 0} 312 #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 313 #elif defined(DIS_TEXT) 314 #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0} 315 #define INDx(table) {(instable_t *)table, 0, "", 0, 1, 0, 0, 0} 316 #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0} 317 #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0} 318 #define TNSx(name, amode) {TERM, amode, name, 0, 1, 0, 0, 0} 319 #define TNSy(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0} 320 #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 1, 0, 1} 321 #define TNSZ(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0} 322 #define TNSZy(name, amode, sz) {TERM, amode, name, 0, 0, 1, 0, 0} 323 #define TNSZvr(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0, 1} 324 #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0} 325 #define TSx(name, amode) {TERM, amode, name, 1, 1, 0, 0, 0} 326 #define TSy(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0} 327 #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 1} 328 #define TSZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0} 329 #define TSaZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0, 0, 1} 330 #define TSZx(name, amode, sz) {TERM, amode, name, 1, 1, 0, 0, 0} 331 #define TSZy(name, amode, sz) {TERM, amode, name, 1, 0, 1, 0, 0} 332 #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0} 333 #elif defined(DIS_MEM) 334 #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0, 0} 335 #define INDx(table) {(instable_t *)table, 0, 0, 1, 0, 0, 0} 336 #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 337 #define TNSu(name, amode) {TERM, amode, 0, 0, 0, 1, 0} 338 #define TNSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 339 #define TNSyp(name, amode) {TERM, amode, 0, 0, 1, 0, 1} 340 #define TNSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 341 #define TNSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 342 #define TNSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 343 #define TNSZvr(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0, 1} 344 #define TS(name, amode) {TERM, amode, 0, 0, 0, 0, 0} 345 #define TSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0} 346 #define TSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0} 347 #define TSp(name, amode) {TERM, amode, 0, 0, 0, 0, 1} 348 #define TSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0} 349 #define TSaZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0, 0, 1} 350 #define TSZx(name, amode, sz) {TERM, amode, sz, 1, 0, 0, 0} 351 #define TSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0} 352 #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0, 0} 353 #else 354 #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0} 355 #define INDx(table) {(instable_t *)table, 0, 1, 0, 0, 0} 356 #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0} 357 #define TNSu(name, amode) {TERM, amode, 0, 0, 1, 0} 358 #define TNSy(name, amode) {TERM, amode, 0, 1, 0, 0} 359 #define TNSyp(name, amode) {TERM, amode, 0, 1, 0, 1} 360 #define TNSx(name, amode) {TERM, amode, 1, 0, 0, 0} 361 #define TNSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 362 #define TNSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 363 #define TNSZvr(name, amode, sz) {TERM, amode, 0, 0, 0, 0, 1} 364 #define TS(name, amode) {TERM, amode, 0, 0, 0, 0} 365 #define TSx(name, amode) {TERM, amode, 1, 0, 0, 0} 366 #define TSy(name, amode) {TERM, amode, 0, 1, 0, 0} 367 #define TSp(name, amode) {TERM, amode, 0, 0, 0, 1} 368 #define TSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0} 369 #define TSaZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0, 0, 1} 370 #define TSZx(name, amode, sz) {TERM, amode, 1, 0, 0, 0} 371 #define TSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0} 372 #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0} 373 #endif 374 375 #ifdef DIS_TEXT 376 /* 377 * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode 378 */ 379 const char *const dis_addr16[3][8] = { 380 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "", 381 "(%bx)", 382 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)", 383 "(%bx)", 384 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)", 385 "(%bx)", 386 }; 387 388 389 /* 390 * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2 391 */ 392 const char *const dis_addr32_mode0[16] = { 393 "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "", "(%esi)", "(%edi)", 394 "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "", "(%r14d)", "(%r15d)" 395 }; 396 397 const char *const dis_addr32_mode12[16] = { 398 "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "(%ebp)", "(%esi)", "(%edi)", 399 "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)" 400 }; 401 402 /* 403 * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2 404 */ 405 const char *const dis_addr64_mode0[16] = { 406 "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rip)", "(%rsi)", "(%rdi)", 407 "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)" 408 }; 409 const char *const dis_addr64_mode12[16] = { 410 "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rbp)", "(%rsi)", "(%rdi)", 411 "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)" 412 }; 413 414 /* 415 * decode for scale from SIB byte 416 */ 417 const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" }; 418 419 /* 420 * decode for scale from VSIB byte, note that we always include the scale factor 421 * to match gas. 422 */ 423 const char *const dis_vscale_factor[4] = { ",1)", ",2)", ",4)", ",8)" }; 424 425 /* 426 * register decoding for normal references to registers (ie. not addressing) 427 */ 428 const char *const dis_REG8[16] = { 429 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", 430 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 431 }; 432 433 const char *const dis_REG8_REX[16] = { 434 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", 435 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" 436 }; 437 438 const char *const dis_REG16[16] = { 439 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", 440 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" 441 }; 442 443 const char *const dis_REG32[16] = { 444 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", 445 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" 446 }; 447 448 const char *const dis_REG64[16] = { 449 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", 450 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" 451 }; 452 453 const char *const dis_DEBUGREG[16] = { 454 "%db0", "%db1", "%db2", "%db3", "%db4", "%db5", "%db6", "%db7", 455 "%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15" 456 }; 457 458 const char *const dis_CONTROLREG[16] = { 459 "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?", 460 "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?" 461 }; 462 463 const char *const dis_TESTREG[16] = { 464 "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7", 465 "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7" 466 }; 467 468 const char *const dis_MMREG[16] = { 469 "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7", 470 "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7" 471 }; 472 473 const char *const dis_XMMREG[16] = { 474 "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", 475 "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15" 476 }; 477 478 const char *const dis_YMMREG[16] = { 479 "%ymm0", "%ymm1", "%ymm2", "%ymm3", "%ymm4", "%ymm5", "%ymm6", "%ymm7", 480 "%ymm8", "%ymm9", "%ymm10", "%ymm11", "%ymm12", "%ymm13", "%ymm14", "%ymm15" 481 }; 482 483 const char *const dis_SEGREG[16] = { 484 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>", 485 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>" 486 }; 487 488 /* 489 * SIMD predicate suffixes 490 */ 491 const char *const dis_PREDSUFFIX[8] = { 492 "eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord" 493 }; 494 495 const char *const dis_AVXvgrp7[3][8] = { 496 /*0 1 2 3 4 5 6 7*/ 497 /*71*/ {"", "", "vpsrlw", "", "vpsraw", "", "vpsllw", ""}, 498 /*72*/ {"", "", "vpsrld", "", "vpsrad", "", "vpslld", ""}, 499 /*73*/ {"", "", "vpsrlq", "vpsrldq", "", "", "vpsllq", "vpslldq"} 500 }; 501 502 #endif /* DIS_TEXT */ 503 504 /* 505 * "decode table" for 64 bit mode MOVSXD instruction (opcode 0x63) 506 */ 507 const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ); 508 509 /* 510 * "decode table" for pause and clflush instructions 511 */ 512 const instable_t dis_opPause = TNS("pause", NORM); 513 514 /* 515 * Decode table for 0x0F00 opcodes 516 */ 517 const instable_t dis_op0F00[8] = { 518 519 /* [0] */ TNS("sldt",M), TNS("str",M), TNSy("lldt",M), TNSy("ltr",M), 520 /* [4] */ TNSZ("verr",M,2), TNSZ("verw",M,2), INVALID, INVALID, 521 }; 522 523 524 /* 525 * Decode table for 0x0F01 opcodes 526 */ 527 const instable_t dis_op0F01[8] = { 528 529 /* [0] */ TNSZ("sgdt",VMx,6), TNSZ("sidt",MONITOR_MWAIT,6), TNSZ("lgdt",XGETBV_XSETBV,6), TNSZ("lidt",SVM,6), 530 /* [4] */ TNSZ("smsw",M,2), INVALID, TNSZ("lmsw",M,2), TNS("invlpg",SWAPGS_RDTSCP), 531 }; 532 533 /* 534 * Decode table for 0x0F18 opcodes -- SIMD prefetch 535 */ 536 const instable_t dis_op0F18[8] = { 537 538 /* [0] */ TNS("prefetchnta",PREF),TNS("prefetcht0",PREF), TNS("prefetcht1",PREF), TNS("prefetcht2",PREF), 539 /* [4] */ INVALID, INVALID, INVALID, INVALID, 540 }; 541 542 /* 543 * Decode table for 0x0FAE opcodes -- SIMD state save/restore 544 */ 545 const instable_t dis_op0FAE[8] = { 546 /* [0] */ TNSZ("fxsave",M,512), TNSZ("fxrstor",M,512), TNS("ldmxcsr",M), TNS("stmxcsr",M), 547 /* [4] */ TNSZ("xsave",M,512), TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE), TNS("sfence",XMMSFNC), 548 }; 549 550 /* 551 * Decode table for 0x0FBA opcodes 552 */ 553 554 const instable_t dis_op0FBA[8] = { 555 556 /* [0] */ INVALID, INVALID, INVALID, INVALID, 557 /* [4] */ TS("bt",MIb), TS("bts",MIb), TS("btr",MIb), TS("btc",MIb), 558 }; 559 560 /* 561 * Decode table for 0x0FC7 opcode (group 9) 562 */ 563 564 const instable_t dis_op0FC7[8] = { 565 566 /* [0] */ INVALID, TNS("cmpxchg8b",M), INVALID, INVALID, 567 /* [4] */ INVALID, INVALID, TNS("vmptrld",MG9), TNS("vmptrst",MG9), 568 }; 569 570 /* 571 * Decode table for 0x0FC7 opcode (group 9) mode 3 572 */ 573 574 const instable_t dis_op0FC7m3[8] = { 575 576 /* [0] */ INVALID, INVALID, INVALID, INVALID, 577 /* [4] */ INVALID, INVALID, TNS("rdrand",MG9), TNS("rdseed", MG9), 578 }; 579 580 /* 581 * Decode table for 0x0FC7 opcode with 0x66 prefix 582 */ 583 584 const instable_t dis_op660FC7[8] = { 585 586 /* [0] */ INVALID, INVALID, INVALID, INVALID, 587 /* [4] */ INVALID, INVALID, TNS("vmclear",M), INVALID, 588 }; 589 590 /* 591 * Decode table for 0x0FC7 opcode with 0xF3 prefix 592 */ 593 594 const instable_t dis_opF30FC7[8] = { 595 596 /* [0] */ INVALID, INVALID, INVALID, INVALID, 597 /* [4] */ INVALID, INVALID, TNS("vmxon",M), INVALID, 598 }; 599 600 /* 601 * Decode table for 0x0FC8 opcode -- 486 bswap instruction 602 * 603 *bit pattern: 0000 1111 1100 1reg 604 */ 605 const instable_t dis_op0FC8[4] = { 606 /* [0] */ TNS("bswap",R), INVALID, INVALID, INVALID, 607 }; 608 609 /* 610 * Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions 611 */ 612 const instable_t dis_op0F7123[4][8] = { 613 { 614 /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 615 /* .4 */ INVALID, INVALID, INVALID, INVALID, 616 }, { 617 /* [71].0 */ INVALID, INVALID, TNS("psrlw",MMOSH), INVALID, 618 /* .4 */ TNS("psraw",MMOSH), INVALID, TNS("psllw",MMOSH), INVALID, 619 }, { 620 /* [72].0 */ INVALID, INVALID, TNS("psrld",MMOSH), INVALID, 621 /* .4 */ TNS("psrad",MMOSH), INVALID, TNS("pslld",MMOSH), INVALID, 622 }, { 623 /* [73].0 */ INVALID, INVALID, TNS("psrlq",MMOSH), TNS("INVALID",MMOSH), 624 /* .4 */ INVALID, INVALID, TNS("psllq",MMOSH), TNS("INVALID",MMOSH), 625 } }; 626 627 /* 628 * Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes. 629 */ 630 const instable_t dis_opSIMD7123[32] = { 631 /* [70].0 */ INVALID, INVALID, INVALID, INVALID, 632 /* .4 */ INVALID, INVALID, INVALID, INVALID, 633 634 /* [71].0 */ INVALID, INVALID, TNS("psrlw",XMMSH), INVALID, 635 /* .4 */ TNS("psraw",XMMSH), INVALID, TNS("psllw",XMMSH), INVALID, 636 637 /* [72].0 */ INVALID, INVALID, TNS("psrld",XMMSH), INVALID, 638 /* .4 */ TNS("psrad",XMMSH), INVALID, TNS("pslld",XMMSH), INVALID, 639 640 /* [73].0 */ INVALID, INVALID, TNS("psrlq",XMMSH), TNS("psrldq",XMMSH), 641 /* .4 */ INVALID, INVALID, TNS("psllq",XMMSH), TNS("pslldq",XMMSH), 642 }; 643 644 /* 645 * SIMD instructions have been wedged into the existing IA32 instruction 646 * set through the use of prefixes. That is, while 0xf0 0x58 may be 647 * addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different 648 * instruction - addss. At present, three prefixes have been coopted in 649 * this manner - address size (0x66), repnz (0xf2) and repz (0xf3). The 650 * following tables are used to provide the prefixed instruction names. 651 * The arrays are sparse, but they're fast. 652 */ 653 654 /* 655 * Decode table for SIMD instructions with the address size (0x66) prefix. 656 */ 657 const instable_t dis_opSIMDdata16[256] = { 658 /* [00] */ INVALID, INVALID, INVALID, INVALID, 659 /* [04] */ INVALID, INVALID, INVALID, INVALID, 660 /* [08] */ INVALID, INVALID, INVALID, INVALID, 661 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 662 663 /* [10] */ TNSZ("movupd",XMM,16), TNSZ("movupd",XMMS,16), TNSZ("movlpd",XMMM,8), TNSZ("movlpd",XMMMS,8), 664 /* [14] */ TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8), TNSZ("movhpd",XMMMS,8), 665 /* [18] */ INVALID, INVALID, INVALID, INVALID, 666 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 667 668 /* [20] */ INVALID, INVALID, INVALID, INVALID, 669 /* [24] */ INVALID, INVALID, INVALID, INVALID, 670 /* [28] */ TNSZ("movapd",XMM,16), TNSZ("movapd",XMMS,16), TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16), 671 /* [2C] */ TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8), 672 673 /* [30] */ INVALID, INVALID, INVALID, INVALID, 674 /* [34] */ INVALID, INVALID, INVALID, INVALID, 675 /* [38] */ INVALID, INVALID, INVALID, INVALID, 676 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 677 678 /* [40] */ INVALID, INVALID, INVALID, INVALID, 679 /* [44] */ INVALID, INVALID, INVALID, INVALID, 680 /* [48] */ INVALID, INVALID, INVALID, INVALID, 681 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 682 683 /* [50] */ TNS("movmskpd",XMMOX3), TNSZ("sqrtpd",XMM,16), INVALID, INVALID, 684 /* [54] */ TNSZ("andpd",XMM,16), TNSZ("andnpd",XMM,16), TNSZ("orpd",XMM,16), TNSZ("xorpd",XMM,16), 685 /* [58] */ TNSZ("addpd",XMM,16), TNSZ("mulpd",XMM,16), TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16), 686 /* [5C] */ TNSZ("subpd",XMM,16), TNSZ("minpd",XMM,16), TNSZ("divpd",XMM,16), TNSZ("maxpd",XMM,16), 687 688 /* [60] */ TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16), 689 /* [64] */ TNSZ("pcmpgtb",XMM,16), TNSZ("pcmpgtw",XMM,16), TNSZ("pcmpgtd",XMM,16), TNSZ("packuswb",XMM,16), 690 /* [68] */ TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16), 691 /* [6C] */ TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16), 692 693 /* [70] */ TNSZ("pshufd",XMMP,16), INVALID, INVALID, INVALID, 694 /* [74] */ TNSZ("pcmpeqb",XMM,16), TNSZ("pcmpeqw",XMM,16), TNSZ("pcmpeqd",XMM,16), INVALID, 695 /* [78] */ TNSZ("extrq",XMM2I,16), TNSZ("extrq",XMM,16), INVALID, INVALID, 696 /* [7C] */ TNSZ("haddpd",XMM,16), TNSZ("hsubpd",XMM,16), TNSZ("movd",XMM3MXS,4), TNSZ("movdqa",XMMS,16), 697 698 /* [80] */ INVALID, INVALID, INVALID, INVALID, 699 /* [84] */ INVALID, INVALID, INVALID, INVALID, 700 /* [88] */ INVALID, INVALID, INVALID, INVALID, 701 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 702 703 /* [90] */ INVALID, INVALID, INVALID, INVALID, 704 /* [94] */ INVALID, INVALID, INVALID, INVALID, 705 /* [98] */ INVALID, INVALID, INVALID, INVALID, 706 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 707 708 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 709 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 710 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 711 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 712 713 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 714 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 715 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 716 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 717 718 /* [C0] */ INVALID, INVALID, TNSZ("cmppd",XMMP,16), INVALID, 719 /* [C4] */ TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P), TNSZ("shufpd",XMMP,16), INVALID, 720 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 721 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 722 723 /* [D0] */ TNSZ("addsubpd",XMM,16),TNSZ("psrlw",XMM,16), TNSZ("psrld",XMM,16), TNSZ("psrlq",XMM,16), 724 /* [D4] */ TNSZ("paddq",XMM,16), TNSZ("pmullw",XMM,16), TNSZ("movq",XMMS,8), TNS("pmovmskb",XMMX3), 725 /* [D8] */ TNSZ("psubusb",XMM,16), TNSZ("psubusw",XMM,16), TNSZ("pminub",XMM,16), TNSZ("pand",XMM,16), 726 /* [DC] */ TNSZ("paddusb",XMM,16), TNSZ("paddusw",XMM,16), TNSZ("pmaxub",XMM,16), TNSZ("pandn",XMM,16), 727 728 /* [E0] */ TNSZ("pavgb",XMM,16), TNSZ("psraw",XMM,16), TNSZ("psrad",XMM,16), TNSZ("pavgw",XMM,16), 729 /* [E4] */ TNSZ("pmulhuw",XMM,16), TNSZ("pmulhw",XMM,16), TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16), 730 /* [E8] */ TNSZ("psubsb",XMM,16), TNSZ("psubsw",XMM,16), TNSZ("pminsw",XMM,16), TNSZ("por",XMM,16), 731 /* [EC] */ TNSZ("paddsb",XMM,16), TNSZ("paddsw",XMM,16), TNSZ("pmaxsw",XMM,16), TNSZ("pxor",XMM,16), 732 733 /* [F0] */ INVALID, TNSZ("psllw",XMM,16), TNSZ("pslld",XMM,16), TNSZ("psllq",XMM,16), 734 /* [F4] */ TNSZ("pmuludq",XMM,16), TNSZ("pmaddwd",XMM,16), TNSZ("psadbw",XMM,16), TNSZ("maskmovdqu", XMMXIMPL,16), 735 /* [F8] */ TNSZ("psubb",XMM,16), TNSZ("psubw",XMM,16), TNSZ("psubd",XMM,16), TNSZ("psubq",XMM,16), 736 /* [FC] */ TNSZ("paddb",XMM,16), TNSZ("paddw",XMM,16), TNSZ("paddd",XMM,16), INVALID, 737 }; 738 739 const instable_t dis_opAVX660F[256] = { 740 /* [00] */ INVALID, INVALID, INVALID, INVALID, 741 /* [04] */ INVALID, INVALID, INVALID, INVALID, 742 /* [08] */ INVALID, INVALID, INVALID, INVALID, 743 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 744 745 /* [10] */ TNSZ("vmovupd",VEX_MX,16), TNSZ("vmovupd",VEX_RX,16), TNSZ("vmovlpd",VEX_RMrX,8), TNSZ("vmovlpd",VEX_RM,8), 746 /* [14] */ TNSZ("vunpcklpd",VEX_RMrX,16),TNSZ("vunpckhpd",VEX_RMrX,16),TNSZ("vmovhpd",VEX_RMrX,8), TNSZ("vmovhpd",VEX_RM,8), 747 /* [18] */ INVALID, INVALID, INVALID, INVALID, 748 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 749 750 /* [20] */ INVALID, INVALID, INVALID, INVALID, 751 /* [24] */ INVALID, INVALID, INVALID, INVALID, 752 /* [28] */ TNSZ("vmovapd",VEX_MX,16), TNSZ("vmovapd",VEX_RX,16), INVALID, TNSZ("vmovntpd",VEX_RM,16), 753 /* [2C] */ INVALID, INVALID, TNSZ("vucomisd",VEX_MX,8),TNSZ("vcomisd",VEX_MX,8), 754 755 /* [30] */ INVALID, INVALID, INVALID, INVALID, 756 /* [34] */ INVALID, INVALID, INVALID, INVALID, 757 /* [38] */ INVALID, INVALID, INVALID, INVALID, 758 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 759 760 /* [40] */ INVALID, INVALID, INVALID, INVALID, 761 /* [44] */ INVALID, INVALID, INVALID, INVALID, 762 /* [48] */ INVALID, INVALID, INVALID, INVALID, 763 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 764 765 /* [50] */ TNS("vmovmskpd",VEX_MR), TNSZ("vsqrtpd",VEX_MX,16), INVALID, INVALID, 766 /* [54] */ TNSZ("vandpd",VEX_RMrX,16), TNSZ("vandnpd",VEX_RMrX,16), TNSZ("vorpd",VEX_RMrX,16), TNSZ("vxorpd",VEX_RMrX,16), 767 /* [58] */ TNSZ("vaddpd",VEX_RMrX,16), TNSZ("vmulpd",VEX_RMrX,16), TNSZ("vcvtpd2ps",VEX_MX,16),TNSZ("vcvtps2dq",VEX_MX,16), 768 /* [5C] */ TNSZ("vsubpd",VEX_RMrX,16), TNSZ("vminpd",VEX_RMrX,16), TNSZ("vdivpd",VEX_RMrX,16), TNSZ("vmaxpd",VEX_RMrX,16), 769 770 /* [60] */ TNSZ("vpunpcklbw",VEX_RMrX,16),TNSZ("vpunpcklwd",VEX_RMrX,16),TNSZ("vpunpckldq",VEX_RMrX,16),TNSZ("vpacksswb",VEX_RMrX,16), 771 /* [64] */ TNSZ("vpcmpgtb",VEX_RMrX,16), TNSZ("vpcmpgtw",VEX_RMrX,16), TNSZ("vpcmpgtd",VEX_RMrX,16), TNSZ("vpackuswb",VEX_RMrX,16), 772 /* [68] */ TNSZ("vpunpckhbw",VEX_RMrX,16),TNSZ("vpunpckhwd",VEX_RMrX,16),TNSZ("vpunpckhdq",VEX_RMrX,16),TNSZ("vpackssdw",VEX_RMrX,16), 773 /* [6C] */ TNSZ("vpunpcklqdq",VEX_RMrX,16),TNSZ("vpunpckhqdq",VEX_RMrX,16),TNSZ("vmovd",VEX_MX,4),TNSZ("vmovdqa",VEX_MX,16), 774 775 /* [70] */ TNSZ("vpshufd",VEX_MXI,16), TNSZ("vgrp71",VEX_XXI,16), TNSZ("vgrp72",VEX_XXI,16), TNSZ("vgrp73",VEX_XXI,16), 776 /* [74] */ TNSZ("vpcmpeqb",VEX_RMrX,16), TNSZ("vpcmpeqw",VEX_RMrX,16), TNSZ("vpcmpeqd",VEX_RMrX,16), INVALID, 777 /* [78] */ INVALID, INVALID, INVALID, INVALID, 778 /* [7C] */ TNSZ("vhaddpd",VEX_RMrX,16), TNSZ("vhsubpd",VEX_RMrX,16), TNSZ("vmovd",VEX_RR,4), TNSZ("vmovdqa",VEX_RX,16), 779 780 /* [80] */ INVALID, INVALID, INVALID, INVALID, 781 /* [84] */ INVALID, INVALID, INVALID, INVALID, 782 /* [88] */ INVALID, INVALID, INVALID, INVALID, 783 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 784 785 /* [90] */ INVALID, INVALID, INVALID, INVALID, 786 /* [94] */ INVALID, INVALID, INVALID, INVALID, 787 /* [98] */ INVALID, INVALID, INVALID, INVALID, 788 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 789 790 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 791 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 792 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 793 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 794 795 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 796 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 797 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 798 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 799 800 /* [C0] */ INVALID, INVALID, TNSZ("vcmppd",VEX_RMRX,16), INVALID, 801 /* [C4] */ TNSZ("vpinsrw",VEX_RMRX,2),TNS("vpextrw",VEX_MR), TNSZ("vshufpd",VEX_RMRX,16), INVALID, 802 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 803 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 804 805 /* [D0] */ TNSZ("vaddsubpd",VEX_RMrX,16),TNSZ("vpsrlw",VEX_RMrX,16), TNSZ("vpsrld",VEX_RMrX,16), TNSZ("vpsrlq",VEX_RMrX,16), 806 /* [D4] */ TNSZ("vpaddq",VEX_RMrX,16), TNSZ("vpmullw",VEX_RMrX,16), TNSZ("vmovq",VEX_RX,8), TNS("vpmovmskb",VEX_MR), 807 /* [D8] */ TNSZ("vpsubusb",VEX_RMrX,16), TNSZ("vpsubusw",VEX_RMrX,16), TNSZ("vpminub",VEX_RMrX,16), TNSZ("vpand",VEX_RMrX,16), 808 /* [DC] */ TNSZ("vpaddusb",VEX_RMrX,16), TNSZ("vpaddusw",VEX_RMrX,16), TNSZ("vpmaxub",VEX_RMrX,16), TNSZ("vpandn",VEX_RMrX,16), 809 810 /* [E0] */ TNSZ("vpavgb",VEX_RMrX,16), TNSZ("vpsraw",VEX_RMrX,16), TNSZ("vpsrad",VEX_RMrX,16), TNSZ("vpavgw",VEX_RMrX,16), 811 /* [E4] */ TNSZ("vpmulhuw",VEX_RMrX,16), TNSZ("vpmulhw",VEX_RMrX,16), TNSZ("vcvttpd2dq",VEX_MX,16),TNSZ("vmovntdq",VEX_RM,16), 812 /* [E8] */ TNSZ("vpsubsb",VEX_RMrX,16), TNSZ("vpsubsw",VEX_RMrX,16), TNSZ("vpminsw",VEX_RMrX,16), TNSZ("vpor",VEX_RMrX,16), 813 /* [EC] */ TNSZ("vpaddsb",VEX_RMrX,16), TNSZ("vpaddsw",VEX_RMrX,16), TNSZ("vpmaxsw",VEX_RMrX,16), TNSZ("vpxor",VEX_RMrX,16), 814 815 /* [F0] */ INVALID, TNSZ("vpsllw",VEX_RMrX,16), TNSZ("vpslld",VEX_RMrX,16), TNSZ("vpsllq",VEX_RMrX,16), 816 /* [F4] */ TNSZ("vpmuludq",VEX_RMrX,16), TNSZ("vpmaddwd",VEX_RMrX,16), TNSZ("vpsadbw",VEX_RMrX,16), TNS("vmaskmovdqu",VEX_MX), 817 /* [F8] */ TNSZ("vpsubb",VEX_RMrX,16), TNSZ("vpsubw",VEX_RMrX,16), TNSZ("vpsubd",VEX_RMrX,16), TNSZ("vpsubq",VEX_RMrX,16), 818 /* [FC] */ TNSZ("vpaddb",VEX_RMrX,16), TNSZ("vpaddw",VEX_RMrX,16), TNSZ("vpaddd",VEX_RMrX,16), INVALID, 819 }; 820 821 /* 822 * Decode table for SIMD instructions with the repnz (0xf2) prefix. 823 */ 824 const instable_t dis_opSIMDrepnz[256] = { 825 /* [00] */ INVALID, INVALID, INVALID, INVALID, 826 /* [04] */ INVALID, INVALID, INVALID, INVALID, 827 /* [08] */ INVALID, INVALID, INVALID, INVALID, 828 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 829 830 /* [10] */ TNSZ("movsd",XMM,8), TNSZ("movsd",XMMS,8), TNSZ("movddup",XMM,8), INVALID, 831 /* [14] */ INVALID, INVALID, INVALID, INVALID, 832 /* [18] */ INVALID, INVALID, INVALID, INVALID, 833 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 834 835 /* [20] */ INVALID, INVALID, INVALID, INVALID, 836 /* [24] */ INVALID, INVALID, INVALID, INVALID, 837 /* [28] */ INVALID, INVALID, TNSZ("cvtsi2sd",XMM3MX,4),TNSZ("movntsd",XMMMS,8), 838 /* [2C] */ TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID, INVALID, 839 840 /* [30] */ INVALID, INVALID, INVALID, INVALID, 841 /* [34] */ INVALID, INVALID, INVALID, INVALID, 842 /* [38] */ INVALID, INVALID, INVALID, INVALID, 843 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 844 845 /* [40] */ INVALID, INVALID, INVALID, INVALID, 846 /* [44] */ INVALID, INVALID, INVALID, INVALID, 847 /* [48] */ INVALID, INVALID, INVALID, INVALID, 848 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 849 850 /* [50] */ INVALID, TNSZ("sqrtsd",XMM,8), INVALID, INVALID, 851 /* [54] */ INVALID, INVALID, INVALID, INVALID, 852 /* [58] */ TNSZ("addsd",XMM,8), TNSZ("mulsd",XMM,8), TNSZ("cvtsd2ss",XMM,8), INVALID, 853 /* [5C] */ TNSZ("subsd",XMM,8), TNSZ("minsd",XMM,8), TNSZ("divsd",XMM,8), TNSZ("maxsd",XMM,8), 854 855 /* [60] */ INVALID, INVALID, INVALID, INVALID, 856 /* [64] */ INVALID, INVALID, INVALID, INVALID, 857 /* [68] */ INVALID, INVALID, INVALID, INVALID, 858 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 859 860 /* [70] */ TNSZ("pshuflw",XMMP,16),INVALID, INVALID, INVALID, 861 /* [74] */ INVALID, INVALID, INVALID, INVALID, 862 /* [78] */ TNSZ("insertq",XMMX2I,16),TNSZ("insertq",XMM,8),INVALID, INVALID, 863 /* [7C] */ TNSZ("haddps",XMM,16), TNSZ("hsubps",XMM,16), INVALID, INVALID, 864 865 /* [80] */ INVALID, INVALID, INVALID, INVALID, 866 /* [84] */ INVALID, INVALID, INVALID, INVALID, 867 /* [88] */ INVALID, INVALID, INVALID, INVALID, 868 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 869 870 /* [90] */ INVALID, INVALID, INVALID, INVALID, 871 /* [94] */ INVALID, INVALID, INVALID, INVALID, 872 /* [98] */ INVALID, INVALID, INVALID, INVALID, 873 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 874 875 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 876 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 877 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 878 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 879 880 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 881 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 882 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 883 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 884 885 /* [C0] */ INVALID, INVALID, TNSZ("cmpsd",XMMP,8), INVALID, 886 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 887 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 888 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 889 890 /* [D0] */ TNSZ("addsubps",XMM,16),INVALID, INVALID, INVALID, 891 /* [D4] */ INVALID, INVALID, TNS("movdq2q",XMMXM), INVALID, 892 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 893 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 894 895 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 896 /* [E4] */ INVALID, INVALID, TNSZ("cvtpd2dq",XMM,16),INVALID, 897 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 898 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 899 900 /* [F0] */ TNS("lddqu",XMMM), INVALID, INVALID, INVALID, 901 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 902 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 903 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 904 }; 905 906 const instable_t dis_opAVXF20F[256] = { 907 /* [00] */ INVALID, INVALID, INVALID, INVALID, 908 /* [04] */ INVALID, INVALID, INVALID, INVALID, 909 /* [08] */ INVALID, INVALID, INVALID, INVALID, 910 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 911 912 /* [10] */ TNSZ("vmovsd",VEX_RMrX,8), TNSZ("vmovsd",VEX_RRX,8), TNSZ("vmovddup",VEX_MX,8), INVALID, 913 /* [14] */ INVALID, INVALID, INVALID, INVALID, 914 /* [18] */ INVALID, INVALID, INVALID, INVALID, 915 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 916 917 /* [20] */ INVALID, INVALID, INVALID, INVALID, 918 /* [24] */ INVALID, INVALID, INVALID, INVALID, 919 /* [28] */ INVALID, INVALID, TNSZ("vcvtsi2sd",VEX_RMrX,4),INVALID, 920 /* [2C] */ TNSZ("vcvttsd2si",VEX_MR,8),TNSZ("vcvtsd2si",VEX_MR,8),INVALID, INVALID, 921 922 /* [30] */ INVALID, INVALID, INVALID, INVALID, 923 /* [34] */ INVALID, INVALID, INVALID, INVALID, 924 /* [38] */ INVALID, INVALID, INVALID, INVALID, 925 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 926 927 /* [40] */ INVALID, INVALID, INVALID, INVALID, 928 /* [44] */ INVALID, INVALID, INVALID, INVALID, 929 /* [48] */ INVALID, INVALID, INVALID, INVALID, 930 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 931 932 /* [50] */ INVALID, TNSZ("vsqrtsd",VEX_RMrX,8), INVALID, INVALID, 933 /* [54] */ INVALID, INVALID, INVALID, INVALID, 934 /* [58] */ TNSZ("vaddsd",VEX_RMrX,8), TNSZ("vmulsd",VEX_RMrX,8), TNSZ("vcvtsd2ss",VEX_RMrX,8), INVALID, 935 /* [5C] */ TNSZ("vsubsd",VEX_RMrX,8), TNSZ("vminsd",VEX_RMrX,8), TNSZ("vdivsd",VEX_RMrX,8), TNSZ("vmaxsd",VEX_RMrX,8), 936 937 /* [60] */ INVALID, INVALID, INVALID, INVALID, 938 /* [64] */ INVALID, INVALID, INVALID, INVALID, 939 /* [68] */ INVALID, INVALID, INVALID, INVALID, 940 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 941 942 /* [70] */ TNSZ("vpshuflw",VEX_MXI,16),INVALID, INVALID, INVALID, 943 /* [74] */ INVALID, INVALID, INVALID, INVALID, 944 /* [78] */ INVALID, INVALID, INVALID, INVALID, 945 /* [7C] */ TNSZ("vhaddps",VEX_RMrX,8), TNSZ("vhsubps",VEX_RMrX,8), INVALID, INVALID, 946 947 /* [80] */ INVALID, INVALID, INVALID, INVALID, 948 /* [84] */ INVALID, INVALID, INVALID, INVALID, 949 /* [88] */ INVALID, INVALID, INVALID, INVALID, 950 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 951 952 /* [90] */ INVALID, INVALID, INVALID, INVALID, 953 /* [94] */ INVALID, INVALID, INVALID, INVALID, 954 /* [98] */ INVALID, INVALID, INVALID, INVALID, 955 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 956 957 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 958 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 959 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 960 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 961 962 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 963 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 964 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 965 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 966 967 /* [C0] */ INVALID, INVALID, TNSZ("vcmpsd",VEX_RMRX,8), INVALID, 968 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 969 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 970 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 971 972 /* [D0] */ TNSZ("vaddsubps",VEX_RMrX,8), INVALID, INVALID, INVALID, 973 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 974 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 975 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 976 977 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 978 /* [E4] */ INVALID, INVALID, TNSZ("vcvtpd2dq",VEX_MX,16),INVALID, 979 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 980 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 981 982 /* [F0] */ TNSZ("vlddqu",VEX_MX,16), INVALID, INVALID, INVALID, 983 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 984 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 985 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 986 }; 987 988 const instable_t dis_opAVXF20F3A[256] = { 989 /* [00] */ INVALID, INVALID, INVALID, INVALID, 990 /* [04] */ INVALID, INVALID, INVALID, INVALID, 991 /* [08] */ INVALID, INVALID, INVALID, INVALID, 992 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 993 994 /* [10] */ INVALID, INVALID, INVALID, INVALID, 995 /* [14] */ INVALID, INVALID, INVALID, INVALID, 996 /* [18] */ INVALID, INVALID, INVALID, INVALID, 997 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 998 999 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1000 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1001 /* [28] */ INVALID, INVALID, INVALID, INVALID, 1002 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1003 1004 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1005 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1006 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1007 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1008 1009 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1010 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1011 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1012 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1013 1014 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1015 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1016 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1017 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1018 1019 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1020 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1021 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1022 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1023 1024 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1025 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1026 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1027 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1028 1029 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1030 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1031 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1032 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1033 1034 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1035 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1036 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1037 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1038 1039 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1040 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1041 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1042 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1043 1044 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1045 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1046 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1047 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1048 1049 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1050 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1051 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1052 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1053 1054 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1055 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1056 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1057 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1058 1059 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1060 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1061 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1062 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1063 1064 /* [F0] */ TNSZvr("rorx",VEX_MXI,6),INVALID, INVALID, INVALID, 1065 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 1066 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1067 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1068 }; 1069 1070 const instable_t dis_opAVXF20F38[256] = { 1071 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1072 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1073 /* [08] */ INVALID, INVALID, INVALID, INVALID, 1074 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1075 1076 /* [10] */ INVALID, INVALID, INVALID, INVALID, 1077 /* [14] */ INVALID, INVALID, INVALID, INVALID, 1078 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1079 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1080 1081 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1082 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1083 /* [28] */ INVALID, INVALID, INVALID, INVALID, 1084 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1085 1086 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1087 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1088 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1089 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1090 1091 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1092 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1093 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1094 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1095 1096 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1097 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1098 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1099 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1100 1101 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1102 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1103 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1104 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1105 1106 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1107 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1108 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1109 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1110 1111 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1112 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1113 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1114 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1115 1116 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1117 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1118 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1119 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1120 1121 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1122 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1123 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1124 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1125 1126 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1127 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1128 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1129 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1130 1131 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1132 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1133 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1134 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1135 1136 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1137 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1138 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1139 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1140 1141 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1142 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1143 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1144 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1145 1146 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1147 /* [F4] */ INVALID, TNSZvr("pdep",VEX_RMrX,5),TNSZvr("mulx",VEX_RMrX,5),TNSZvr("shrx",VEX_VRMrX,5), 1148 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1149 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1150 }; 1151 1152 const instable_t dis_opAVXF30F38[256] = { 1153 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1154 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1155 /* [08] */ INVALID, INVALID, INVALID, INVALID, 1156 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1157 1158 /* [10] */ INVALID, INVALID, INVALID, INVALID, 1159 /* [14] */ INVALID, INVALID, INVALID, INVALID, 1160 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1161 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1162 1163 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1164 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1165 /* [28] */ INVALID, INVALID, INVALID, INVALID, 1166 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1167 1168 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1169 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1170 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1171 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1172 1173 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1174 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1175 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1176 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1177 1178 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1179 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1180 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1181 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1182 1183 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1184 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1185 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1186 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1187 1188 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1189 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1190 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1191 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1192 1193 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1194 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1195 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1196 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1197 1198 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1199 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1200 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1201 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1202 1203 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1204 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1205 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1206 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1207 1208 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1209 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1210 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1211 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1212 1213 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1214 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1215 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1216 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1217 1218 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1219 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1220 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1221 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1222 1223 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1224 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1225 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1226 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1227 1228 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1229 /* [F4] */ INVALID, TNSZvr("pext",VEX_RMrX,5),INVALID, TNSZvr("sarx",VEX_VRMrX,5), 1230 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1231 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1232 }; 1233 /* 1234 * Decode table for SIMD instructions with the repz (0xf3) prefix. 1235 */ 1236 const instable_t dis_opSIMDrepz[256] = { 1237 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1238 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1239 /* [08] */ INVALID, INVALID, INVALID, INVALID, 1240 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1241 1242 /* [10] */ TNSZ("movss",XMM,4), TNSZ("movss",XMMS,4), TNSZ("movsldup",XMM,16),INVALID, 1243 /* [14] */ INVALID, INVALID, TNSZ("movshdup",XMM,16),INVALID, 1244 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1245 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1246 1247 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1248 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1249 /* [28] */ INVALID, INVALID, TNSZ("cvtsi2ss",XMM3MX,4),TNSZ("movntss",XMMMS,4), 1250 /* [2C] */ TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID, INVALID, 1251 1252 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1253 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1254 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1255 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1256 1257 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1258 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1259 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1260 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1261 1262 /* [50] */ INVALID, TNSZ("sqrtss",XMM,4), TNSZ("rsqrtss",XMM,4), TNSZ("rcpss",XMM,4), 1263 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1264 /* [58] */ TNSZ("addss",XMM,4), TNSZ("mulss",XMM,4), TNSZ("cvtss2sd",XMM,4), TNSZ("cvttps2dq",XMM,16), 1265 /* [5C] */ TNSZ("subss",XMM,4), TNSZ("minss",XMM,4), TNSZ("divss",XMM,4), TNSZ("maxss",XMM,4), 1266 1267 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1268 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1269 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1270 /* [6C] */ INVALID, INVALID, INVALID, TNSZ("movdqu",XMM,16), 1271 1272 /* [70] */ TNSZ("pshufhw",XMMP,16),INVALID, INVALID, INVALID, 1273 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1274 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1275 /* [7C] */ INVALID, INVALID, TNSZ("movq",XMM,8), TNSZ("movdqu",XMMS,16), 1276 1277 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1278 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1279 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1280 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1281 1282 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1283 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1284 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1285 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1286 1287 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1288 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1289 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1290 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1291 1292 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1293 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1294 /* [B8] */ TS("popcnt",MRw), INVALID, INVALID, INVALID, 1295 /* [BC] */ TNSZ("tzcnt",MRw,5), TS("lzcnt",MRw), INVALID, INVALID, 1296 1297 /* [C0] */ INVALID, INVALID, TNSZ("cmpss",XMMP,4), INVALID, 1298 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1299 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1300 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1301 1302 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1303 /* [D4] */ INVALID, INVALID, TNS("movq2dq",XMMMX), INVALID, 1304 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1305 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1306 1307 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1308 /* [E4] */ INVALID, INVALID, TNSZ("cvtdq2pd",XMM,8), INVALID, 1309 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1310 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1311 1312 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1313 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 1314 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1315 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1316 }; 1317 1318 const instable_t dis_opAVXF30F[256] = { 1319 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1320 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1321 /* [08] */ INVALID, INVALID, INVALID, INVALID, 1322 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1323 1324 /* [10] */ TNSZ("vmovss",VEX_RMrX,4), TNSZ("vmovss",VEX_RRX,4), TNSZ("vmovsldup",VEX_MX,4), INVALID, 1325 /* [14] */ INVALID, INVALID, TNSZ("vmovshdup",VEX_MX,4), INVALID, 1326 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1327 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1328 1329 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1330 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1331 /* [28] */ INVALID, INVALID, TNSZ("vcvtsi2ss",VEX_RMrX,4),INVALID, 1332 /* [2C] */ TNSZ("vcvttss2si",VEX_MR,4),TNSZ("vcvtss2si",VEX_MR,4),INVALID, INVALID, 1333 1334 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1335 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1336 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1337 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1338 1339 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1340 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1341 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1342 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1343 1344 /* [50] */ INVALID, TNSZ("vsqrtss",VEX_RMrX,4), TNSZ("vrsqrtss",VEX_RMrX,4), TNSZ("vrcpss",VEX_RMrX,4), 1345 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1346 /* [58] */ TNSZ("vaddss",VEX_RMrX,4), TNSZ("vmulss",VEX_RMrX,4), TNSZ("vcvtss2sd",VEX_RMrX,4), TNSZ("vcvttps2dq",VEX_MX,16), 1347 /* [5C] */ TNSZ("vsubss",VEX_RMrX,4), TNSZ("vminss",VEX_RMrX,4), TNSZ("vdivss",VEX_RMrX,4), TNSZ("vmaxss",VEX_RMrX,4), 1348 1349 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1350 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1351 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1352 /* [6C] */ INVALID, INVALID, INVALID, TNSZ("vmovdqu",VEX_MX,16), 1353 1354 /* [70] */ TNSZ("vpshufhw",VEX_MXI,16),INVALID, INVALID, INVALID, 1355 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1356 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1357 /* [7C] */ INVALID, INVALID, TNSZ("vmovq",VEX_MX,8), TNSZ("vmovdqu",VEX_RX,16), 1358 1359 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1360 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1361 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1362 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1363 1364 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1365 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1366 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1367 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1368 1369 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1370 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1371 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1372 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1373 1374 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1375 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1376 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1377 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1378 1379 /* [C0] */ INVALID, INVALID, TNSZ("vcmpss",VEX_RMRX,4), INVALID, 1380 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1381 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1382 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1383 1384 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1385 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1386 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1387 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1388 1389 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1390 /* [E4] */ INVALID, INVALID, TNSZ("vcvtdq2pd",VEX_MX,8), INVALID, 1391 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1392 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1393 1394 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1395 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 1396 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1397 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1398 }; 1399 /* 1400 * The following two tables are used to encode crc32 and movbe 1401 * since they share the same opcodes. 1402 */ 1403 const instable_t dis_op0F38F0[2] = { 1404 /* [00] */ TNS("crc32b",CRC32), 1405 TS("movbe",MOVBE), 1406 }; 1407 1408 const instable_t dis_op0F38F1[2] = { 1409 /* [00] */ TS("crc32",CRC32), 1410 TS("movbe",MOVBE), 1411 }; 1412 1413 /* 1414 * The following table is used to distinguish between adox and adcx which share 1415 * the same opcodes. 1416 */ 1417 const instable_t dis_op0F38F6[2] = { 1418 /* [00] */ TNS("adcx",ADX), 1419 TNS("adox",ADX), 1420 }; 1421 1422 const instable_t dis_op0F38[256] = { 1423 /* [00] */ TNSZ("pshufb",XMM_66o,16),TNSZ("phaddw",XMM_66o,16),TNSZ("phaddd",XMM_66o,16),TNSZ("phaddsw",XMM_66o,16), 1424 /* [04] */ TNSZ("pmaddubsw",XMM_66o,16),TNSZ("phsubw",XMM_66o,16), TNSZ("phsubd",XMM_66o,16),TNSZ("phsubsw",XMM_66o,16), 1425 /* [08] */ TNSZ("psignb",XMM_66o,16),TNSZ("psignw",XMM_66o,16),TNSZ("psignd",XMM_66o,16),TNSZ("pmulhrsw",XMM_66o,16), 1426 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1427 1428 /* [10] */ TNSZ("pblendvb",XMM_66r,16),INVALID, INVALID, INVALID, 1429 /* [14] */ TNSZ("blendvps",XMM_66r,16),TNSZ("blendvpd",XMM_66r,16),INVALID, TNSZ("ptest",XMM_66r,16), 1430 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1431 /* [1C] */ TNSZ("pabsb",XMM_66o,16),TNSZ("pabsw",XMM_66o,16),TNSZ("pabsd",XMM_66o,16),INVALID, 1432 1433 /* [20] */ TNSZ("pmovsxbw",XMM_66r,16),TNSZ("pmovsxbd",XMM_66r,16),TNSZ("pmovsxbq",XMM_66r,16),TNSZ("pmovsxwd",XMM_66r,16), 1434 /* [24] */ TNSZ("pmovsxwq",XMM_66r,16),TNSZ("pmovsxdq",XMM_66r,16),INVALID, INVALID, 1435 /* [28] */ TNSZ("pmuldq",XMM_66r,16),TNSZ("pcmpeqq",XMM_66r,16),TNSZ("movntdqa",XMMM_66r,16),TNSZ("packusdw",XMM_66r,16), 1436 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1437 1438 /* [30] */ TNSZ("pmovzxbw",XMM_66r,16),TNSZ("pmovzxbd",XMM_66r,16),TNSZ("pmovzxbq",XMM_66r,16),TNSZ("pmovzxwd",XMM_66r,16), 1439 /* [34] */ TNSZ("pmovzxwq",XMM_66r,16),TNSZ("pmovzxdq",XMM_66r,16),INVALID, TNSZ("pcmpgtq",XMM_66r,16), 1440 /* [38] */ TNSZ("pminsb",XMM_66r,16),TNSZ("pminsd",XMM_66r,16),TNSZ("pminuw",XMM_66r,16),TNSZ("pminud",XMM_66r,16), 1441 /* [3C] */ TNSZ("pmaxsb",XMM_66r,16),TNSZ("pmaxsd",XMM_66r,16),TNSZ("pmaxuw",XMM_66r,16),TNSZ("pmaxud",XMM_66r,16), 1442 1443 /* [40] */ TNSZ("pmulld",XMM_66r,16),TNSZ("phminposuw",XMM_66r,16),INVALID, INVALID, 1444 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1445 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1446 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1447 1448 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1449 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1450 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1451 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1452 1453 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1454 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1455 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1456 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1457 1458 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1459 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1460 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1461 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1462 1463 /* [80] */ TNSy("invept", RM_66r), TNSy("invvpid", RM_66r),TNSy("invpcid", RM_66r),INVALID, 1464 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1465 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1466 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 1467 1468 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1469 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1470 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1471 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1472 1473 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1474 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1475 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1476 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1477 1478 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1479 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1480 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1481 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1482 1483 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1484 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1485 /* [C8] */ TNSZ("sha1nexte",XMM,16),TNSZ("sha1msg1",XMM,16),TNSZ("sha1msg2",XMM,16),TNSZ("sha256rnds2",XMM,16), 1486 /* [CC] */ TNSZ("sha256msg1",XMM,16),TNSZ("sha256msg2",XMM,16),INVALID, INVALID, 1487 1488 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1489 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1490 /* [D8] */ INVALID, INVALID, INVALID, TNSZ("aesimc",XMM_66r,16), 1491 /* [DC] */ TNSZ("aesenc",XMM_66r,16),TNSZ("aesenclast",XMM_66r,16),TNSZ("aesdec",XMM_66r,16),TNSZ("aesdeclast",XMM_66r,16), 1492 1493 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1494 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1495 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1496 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1497 /* [F0] */ IND(dis_op0F38F0), IND(dis_op0F38F1), INVALID, INVALID, 1498 /* [F4] */ INVALID, INVALID, IND(dis_op0F38F6), INVALID, 1499 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1500 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1501 }; 1502 1503 const instable_t dis_opAVX660F38[256] = { 1504 /* [00] */ TNSZ("vpshufb",VEX_RMrX,16),TNSZ("vphaddw",VEX_RMrX,16),TNSZ("vphaddd",VEX_RMrX,16),TNSZ("vphaddsw",VEX_RMrX,16), 1505 /* [04] */ TNSZ("vpmaddubsw",VEX_RMrX,16),TNSZ("vphsubw",VEX_RMrX,16), TNSZ("vphsubd",VEX_RMrX,16),TNSZ("vphsubsw",VEX_RMrX,16), 1506 /* [08] */ TNSZ("vpsignb",VEX_RMrX,16),TNSZ("vpsignw",VEX_RMrX,16),TNSZ("vpsignd",VEX_RMrX,16),TNSZ("vpmulhrsw",VEX_RMrX,16), 1507 /* [0C] */ TNSZ("vpermilps",VEX_RMrX,8),TNSZ("vpermilpd",VEX_RMrX,16),TNSZ("vtestps",VEX_RRI,8), TNSZ("vtestpd",VEX_RRI,16), 1508 1509 /* [10] */ INVALID, INVALID, INVALID, TNSZ("vcvtph2ps",VEX_MX,16), 1510 /* [14] */ INVALID, INVALID, TNSZ("vpermps",VEX_RMrX,16),TNSZ("vptest",VEX_RRI,16), 1511 /* [18] */ TNSZ("vbroadcastss",VEX_MX,4),TNSZ("vbroadcastsd",VEX_MX,8),TNSZ("vbroadcastf128",VEX_MX,16),INVALID, 1512 /* [1C] */ TNSZ("vpabsb",VEX_MX,16),TNSZ("vpabsw",VEX_MX,16),TNSZ("vpabsd",VEX_MX,16),INVALID, 1513 1514 /* [20] */ TNSZ("vpmovsxbw",VEX_MX,16),TNSZ("vpmovsxbd",VEX_MX,16),TNSZ("vpmovsxbq",VEX_MX,16),TNSZ("vpmovsxwd",VEX_MX,16), 1515 /* [24] */ TNSZ("vpmovsxwq",VEX_MX,16),TNSZ("vpmovsxdq",VEX_MX,16),INVALID, INVALID, 1516 /* [28] */ TNSZ("vpmuldq",VEX_RMrX,16),TNSZ("vpcmpeqq",VEX_RMrX,16),TNSZ("vmovntdqa",VEX_MX,16),TNSZ("vpackusdw",VEX_RMrX,16), 1517 /* [2C] */ TNSZ("vmaskmovps",VEX_RMrX,8),TNSZ("vmaskmovpd",VEX_RMrX,16),TNSZ("vmaskmovps",VEX_RRM,8),TNSZ("vmaskmovpd",VEX_RRM,16), 1518 1519 /* [30] */ TNSZ("vpmovzxbw",VEX_MX,16),TNSZ("vpmovzxbd",VEX_MX,16),TNSZ("vpmovzxbq",VEX_MX,16),TNSZ("vpmovzxwd",VEX_MX,16), 1520 /* [34] */ TNSZ("vpmovzxwq",VEX_MX,16),TNSZ("vpmovzxdq",VEX_MX,16),TNSZ("vpermd",VEX_RMrX,16),TNSZ("vpcmpgtq",VEX_RMrX,16), 1521 /* [38] */ TNSZ("vpminsb",VEX_RMrX,16),TNSZ("vpminsd",VEX_RMrX,16),TNSZ("vpminuw",VEX_RMrX,16),TNSZ("vpminud",VEX_RMrX,16), 1522 /* [3C] */ TNSZ("vpmaxsb",VEX_RMrX,16),TNSZ("vpmaxsd",VEX_RMrX,16),TNSZ("vpmaxuw",VEX_RMrX,16),TNSZ("vpmaxud",VEX_RMrX,16), 1523 1524 /* [40] */ TNSZ("vpmulld",VEX_RMrX,16),TNSZ("vphminposuw",VEX_MX,16),INVALID, INVALID, 1525 /* [44] */ INVALID, TSaZ("vpsrlv",VEX_RMrX,16),TNSZ("vpsravd",VEX_RMrX,16),TSaZ("vpsllv",VEX_RMrX,16), 1526 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1527 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1528 1529 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1530 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1531 /* [58] */ TNSZ("vpbroadcastd",VEX_MX,16),TNSZ("vpbroadcastq",VEX_MX,16),TNSZ("vbroadcasti128",VEX_MX,16),INVALID, 1532 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1533 1534 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1535 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1536 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1537 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1538 1539 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1540 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1541 /* [78] */ TNSZ("vpbroadcastb",VEX_MX,16),TNSZ("vpbroadcastw",VEX_MX,16),INVALID, INVALID, 1542 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1543 1544 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1545 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1546 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1547 /* [8C] */ TSaZ("vpmaskmov",VEX_RMrX,16),INVALID, TSaZ("vpmaskmov",VEX_RRM,16),INVALID, 1548 1549 /* [90] */ TNSZ("vpgatherd",VEX_SbVM,16),TNSZ("vpgatherq",VEX_SbVM,16),TNSZ("vgatherdp",VEX_SbVM,16),TNSZ("vgatherqp",VEX_SbVM,16), 1550 /* [94] */ INVALID, INVALID, TNSZ("vfmaddsub132p",FMA,16),TNSZ("vfmsubadd132p",FMA,16), 1551 /* [98] */ TNSZ("vfmadd132p",FMA,16),TNSZ("vfmadd132s",FMA,16),TNSZ("vfmsub132p",FMA,16),TNSZ("vfmsub132s",FMA,16), 1552 /* [9C] */ TNSZ("vfnmadd132p",FMA,16),TNSZ("vfnmadd132s",FMA,16),TNSZ("vfnmsub132p",FMA,16),TNSZ("vfnmsub132s",FMA,16), 1553 1554 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1555 /* [A4] */ INVALID, INVALID, TNSZ("vfmaddsub213p",FMA,16),TNSZ("vfmsubadd213p",FMA,16), 1556 /* [A8] */ TNSZ("vfmadd213p",FMA,16),TNSZ("vfmadd213s",FMA,16),TNSZ("vfmsub213p",FMA,16),TNSZ("vfmsub213s",FMA,16), 1557 /* [AC] */ TNSZ("vfnmadd213p",FMA,16),TNSZ("vfnmadd213s",FMA,16),TNSZ("vfnmsub213p",FMA,16),TNSZ("vfnmsub213s",FMA,16), 1558 1559 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1560 /* [B4] */ INVALID, INVALID, TNSZ("vfmaddsub231p",FMA,16),TNSZ("vfmsubadd231p",FMA,16), 1561 /* [B8] */ TNSZ("vfmadd231p",FMA,16),TNSZ("vfmadd231s",FMA,16),TNSZ("vfmsub231p",FMA,16),TNSZ("vfmsub231s",FMA,16), 1562 /* [BC] */ TNSZ("vfnmadd231p",FMA,16),TNSZ("vfnmadd231s",FMA,16),TNSZ("vfnmsub231p",FMA,16),TNSZ("vfnmsub231s",FMA,16), 1563 1564 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1565 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1566 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1567 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1568 1569 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1570 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1571 /* [D8] */ INVALID, INVALID, INVALID, TNSZ("vaesimc",VEX_MX,16), 1572 /* [DC] */ TNSZ("vaesenc",VEX_RMrX,16),TNSZ("vaesenclast",VEX_RMrX,16),TNSZ("vaesdec",VEX_RMrX,16),TNSZ("vaesdeclast",VEX_RMrX,16), 1573 1574 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1575 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1576 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1577 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1578 /* [F0] */ IND(dis_op0F38F0), IND(dis_op0F38F1), INVALID, INVALID, 1579 /* [F4] */ INVALID, INVALID, INVALID, TNSZvr("shlx",VEX_VRMrX,5), 1580 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1581 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1582 }; 1583 1584 const instable_t dis_op0F3A[256] = { 1585 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1586 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1587 /* [08] */ TNSZ("roundps",XMMP_66r,16),TNSZ("roundpd",XMMP_66r,16),TNSZ("roundss",XMMP_66r,16),TNSZ("roundsd",XMMP_66r,16), 1588 /* [0C] */ TNSZ("blendps",XMMP_66r,16),TNSZ("blendpd",XMMP_66r,16),TNSZ("pblendw",XMMP_66r,16),TNSZ("palignr",XMMP_66o,16), 1589 1590 /* [10] */ INVALID, INVALID, INVALID, INVALID, 1591 /* [14] */ TNSZ("pextrb",XMM3PM_66r,8),TNSZ("pextrw",XMM3PM_66r,16),TSZ("pextr",XMM3PM_66r,16),TNSZ("extractps",XMM3PM_66r,16), 1592 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1593 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1594 1595 /* [20] */ TNSZ("pinsrb",XMMPRM_66r,8),TNSZ("insertps",XMMP_66r,16),TSZ("pinsr",XMMPRM_66r,16),INVALID, 1596 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1597 /* [28] */ INVALID, INVALID, INVALID, INVALID, 1598 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1599 1600 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1601 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1602 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1603 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1604 1605 /* [40] */ TNSZ("dpps",XMMP_66r,16),TNSZ("dppd",XMMP_66r,16),TNSZ("mpsadbw",XMMP_66r,16),INVALID, 1606 /* [44] */ TNSZ("pclmulqdq",XMMP_66r,16),INVALID, INVALID, INVALID, 1607 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1608 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1609 1610 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1611 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1612 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1613 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1614 1615 /* [60] */ TNSZ("pcmpestrm",XMMP_66r,16),TNSZ("pcmpestri",XMMP_66r,16),TNSZ("pcmpistrm",XMMP_66r,16),TNSZ("pcmpistri",XMMP_66r,16), 1616 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1617 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1618 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1619 1620 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1621 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1622 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1623 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1624 1625 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1626 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1627 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1628 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 1629 1630 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1631 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1632 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1633 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1634 1635 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1636 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1637 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1638 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1639 1640 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1641 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1642 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1643 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1644 1645 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1646 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1647 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1648 /* [CC] */ TNSZ("sha1rnds4",XMMP,16),INVALID, INVALID, INVALID, 1649 1650 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1651 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1652 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1653 /* [DC] */ INVALID, INVALID, INVALID, TNSZ("aeskeygenassist",XMMP_66r,16), 1654 1655 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1656 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1657 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1658 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1659 1660 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1661 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 1662 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1663 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1664 }; 1665 1666 const instable_t dis_opAVX660F3A[256] = { 1667 /* [00] */ TNSZ("vpermq",VEX_MXI,16),TNSZ("vpermpd",VEX_MXI,16),TNSZ("vpblendd",VEX_RMRX,16),INVALID, 1668 /* [04] */ TNSZ("vpermilps",VEX_MXI,8),TNSZ("vpermilpd",VEX_MXI,16),TNSZ("vperm2f128",VEX_RMRX,16),INVALID, 1669 /* [08] */ TNSZ("vroundps",VEX_MXI,16),TNSZ("vroundpd",VEX_MXI,16),TNSZ("vroundss",VEX_RMRX,16),TNSZ("vroundsd",VEX_RMRX,16), 1670 /* [0C] */ TNSZ("vblendps",VEX_RMRX,16),TNSZ("vblendpd",VEX_RMRX,16),TNSZ("vpblendw",VEX_RMRX,16),TNSZ("vpalignr",VEX_RMRX,16), 1671 1672 /* [10] */ INVALID, INVALID, INVALID, INVALID, 1673 /* [14] */ TNSZ("vpextrb",VEX_RRi,8),TNSZ("vpextrw",VEX_RRi,16),TNSZ("vpextrd",VEX_RRi,16),TNSZ("vextractps",VEX_RM,16), 1674 /* [18] */ TNSZ("vinsertf128",VEX_RMRX,16),TNSZ("vextractf128",VEX_RX,16),INVALID, INVALID, 1675 /* [1C] */ INVALID, TNSZ("vcvtps2ph",VEX_RX,16), INVALID, INVALID, 1676 1677 /* [20] */ TNSZ("vpinsrb",VEX_RMRX,8),TNSZ("vinsertps",VEX_RMRX,16),TNSZ("vpinsrd",VEX_RMRX,16),INVALID, 1678 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1679 /* [28] */ INVALID, INVALID, INVALID, INVALID, 1680 /* [2C] */ INVALID, INVALID, INVALID, INVALID, 1681 1682 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1683 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1684 /* [38] */ TNSZ("vinserti128",VEX_RMRX,16),TNSZ("vextracti128",VEX_RIM,16),INVALID, INVALID, 1685 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1686 1687 /* [40] */ TNSZ("vdpps",VEX_RMRX,16),TNSZ("vdppd",VEX_RMRX,16),TNSZ("vmpsadbw",VEX_RMRX,16),INVALID, 1688 /* [44] */ TNSZ("vpclmulqdq",VEX_RMRX,16),INVALID, TNSZ("vperm2i128",VEX_RMRX,16),INVALID, 1689 /* [48] */ INVALID, INVALID, TNSZ("vblendvps",VEX_RMRX,8), TNSZ("vblendvpd",VEX_RMRX,16), 1690 /* [4C] */ TNSZ("vpblendvb",VEX_RMRX,16),INVALID, INVALID, INVALID, 1691 1692 /* [50] */ INVALID, INVALID, INVALID, INVALID, 1693 /* [54] */ INVALID, INVALID, INVALID, INVALID, 1694 /* [58] */ INVALID, INVALID, INVALID, INVALID, 1695 /* [5C] */ INVALID, INVALID, INVALID, INVALID, 1696 1697 /* [60] */ TNSZ("vpcmpestrm",VEX_MXI,16),TNSZ("vpcmpestri",VEX_MXI,16),TNSZ("vpcmpistrm",VEX_MXI,16),TNSZ("vpcmpistri",VEX_MXI,16), 1698 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1699 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1700 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1701 1702 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1703 /* [74] */ INVALID, INVALID, INVALID, INVALID, 1704 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1705 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1706 1707 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1708 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1709 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1710 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 1711 1712 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1713 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1714 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1715 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1716 1717 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1718 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1719 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1720 /* [AC] */ INVALID, INVALID, INVALID, INVALID, 1721 1722 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1723 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1724 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1725 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1726 1727 /* [C0] */ INVALID, INVALID, INVALID, INVALID, 1728 /* [C4] */ INVALID, INVALID, INVALID, INVALID, 1729 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1730 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1731 1732 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1733 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1734 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1735 /* [DC] */ INVALID, INVALID, INVALID, TNSZ("vaeskeygenassist",VEX_MXI,16), 1736 1737 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1738 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1739 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1740 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1741 1742 /* [F0] */ INVALID, INVALID, INVALID, INVALID, 1743 /* [F4] */ INVALID, INVALID, INVALID, INVALID, 1744 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1745 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1746 }; 1747 1748 /* 1749 * Decode table for 0x0F0D which uses the first byte of the mod_rm to 1750 * indicate a sub-code. 1751 */ 1752 const instable_t dis_op0F0D[8] = { 1753 /* [00] */ INVALID, TNS("prefetchw",PREF), TNS("prefetchwt1",PREF),INVALID, 1754 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1755 }; 1756 1757 /* 1758 * Decode table for 0x0F opcodes 1759 */ 1760 1761 const instable_t dis_op0F[16][16] = { 1762 { 1763 /* [00] */ IND(dis_op0F00), IND(dis_op0F01), TNS("lar",MR), TNS("lsl",MR), 1764 /* [04] */ INVALID, TNS("syscall",NORM), TNS("clts",NORM), TNS("sysret",NORM), 1765 /* [08] */ TNS("invd",NORM), TNS("wbinvd",NORM), INVALID, TNS("ud2",NORM), 1766 /* [0C] */ INVALID, IND(dis_op0F0D), INVALID, INVALID, 1767 }, { 1768 /* [10] */ TNSZ("movups",XMMO,16), TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8), TNSZ("movlps",XMMOS,8), 1769 /* [14] */ TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8), 1770 /* [18] */ IND(dis_op0F18), INVALID, INVALID, INVALID, 1771 /* [1C] */ INVALID, INVALID, INVALID, TS("nop",Mw), 1772 }, { 1773 /* [20] */ TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), 1774 /* [24] */ TSx("mov",SREG), INVALID, TSx("mov",SREG), INVALID, 1775 /* [28] */ TNSZ("movaps",XMMO,16), TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16), 1776 /* [2C] */ TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4), 1777 }, { 1778 /* [30] */ TNS("wrmsr",NORM), TNS("rdtsc",NORM), TNS("rdmsr",NORM), TNS("rdpmc",NORM), 1779 /* [34] */ TNSx("sysenter",NORM), TNSx("sysexit",NORM), INVALID, INVALID, 1780 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1781 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1782 }, { 1783 /* [40] */ TS("cmovx.o",MR), TS("cmovx.no",MR), TS("cmovx.b",MR), TS("cmovx.ae",MR), 1784 /* [44] */ TS("cmovx.e",MR), TS("cmovx.ne",MR), TS("cmovx.be",MR), TS("cmovx.a",MR), 1785 /* [48] */ TS("cmovx.s",MR), TS("cmovx.ns",MR), TS("cmovx.pe",MR), TS("cmovx.po",MR), 1786 /* [4C] */ TS("cmovx.l",MR), TS("cmovx.ge",MR), TS("cmovx.le",MR), TS("cmovx.g",MR), 1787 }, { 1788 /* [50] */ TNS("movmskps",XMMOX3), TNSZ("sqrtps",XMMO,16), TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16), 1789 /* [54] */ TNSZ("andps",XMMO,16), TNSZ("andnps",XMMO,16), TNSZ("orps",XMMO,16), TNSZ("xorps",XMMO,16), 1790 /* [58] */ TNSZ("addps",XMMO,16), TNSZ("mulps",XMMO,16), TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16), 1791 /* [5C] */ TNSZ("subps",XMMO,16), TNSZ("minps",XMMO,16), TNSZ("divps",XMMO,16), TNSZ("maxps",XMMO,16), 1792 }, { 1793 /* [60] */ TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8), 1794 /* [64] */ TNSZ("pcmpgtb",MMO,8), TNSZ("pcmpgtw",MMO,8), TNSZ("pcmpgtd",MMO,8), TNSZ("packuswb",MMO,8), 1795 /* [68] */ TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8), 1796 /* [6C] */ TNSZ("INVALID",MMO,0), TNSZ("INVALID",MMO,0), TNSZ("movd",MMO,4), TNSZ("movq",MMO,8), 1797 }, { 1798 /* [70] */ TNSZ("pshufw",MMOPM,8), TNS("psrXXX",MR), TNS("psrXXX",MR), TNS("psrXXX",MR), 1799 /* [74] */ TNSZ("pcmpeqb",MMO,8), TNSZ("pcmpeqw",MMO,8), TNSZ("pcmpeqd",MMO,8), TNS("emms",NORM), 1800 /* [78] */ TNSy("vmread",RM), TNSy("vmwrite",MR), INVALID, INVALID, 1801 /* [7C] */ INVALID, INVALID, TNSZ("movd",MMOS,4), TNSZ("movq",MMOS,8), 1802 }, { 1803 /* [80] */ TNS("jo",D), TNS("jno",D), TNS("jb",D), TNS("jae",D), 1804 /* [84] */ TNS("je",D), TNS("jne",D), TNS("jbe",D), TNS("ja",D), 1805 /* [88] */ TNS("js",D), TNS("jns",D), TNS("jp",D), TNS("jnp",D), 1806 /* [8C] */ TNS("jl",D), TNS("jge",D), TNS("jle",D), TNS("jg",D), 1807 }, { 1808 /* [90] */ TNS("seto",Mb), TNS("setno",Mb), TNS("setb",Mb), TNS("setae",Mb), 1809 /* [94] */ TNS("sete",Mb), TNS("setne",Mb), TNS("setbe",Mb), TNS("seta",Mb), 1810 /* [98] */ TNS("sets",Mb), TNS("setns",Mb), TNS("setp",Mb), TNS("setnp",Mb), 1811 /* [9C] */ TNS("setl",Mb), TNS("setge",Mb), TNS("setle",Mb), TNS("setg",Mb), 1812 }, { 1813 /* [A0] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("cpuid",NORM), TS("bt",RMw), 1814 /* [A4] */ TS("shld",DSHIFT), TS("shld",DSHIFTcl), INVALID, INVALID, 1815 /* [A8] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("rsm",NORM), TS("bts",RMw), 1816 /* [AC] */ TS("shrd",DSHIFT), TS("shrd",DSHIFTcl), IND(dis_op0FAE), TS("imul",MRw), 1817 }, { 1818 /* [B0] */ TNS("cmpxchgb",RMw), TS("cmpxchg",RMw), TS("lss",MR), TS("btr",RMw), 1819 /* [B4] */ TS("lfs",MR), TS("lgs",MR), TS("movzb",MOVZ), TNS("movzwl",MOVZ), 1820 /* [B8] */ TNS("INVALID",MRw), INVALID, IND(dis_op0FBA), TS("btc",RMw), 1821 /* [BC] */ TS("bsf",MRw), TS("bsr",MRw), TS("movsb",MOVZ), TNS("movswl",MOVZ), 1822 }, { 1823 /* [C0] */ TNS("xaddb",XADDB), TS("xadd",RMw), TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM), 1824 /* [C4] */ TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7), 1825 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1826 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1827 }, { 1828 /* [D0] */ INVALID, TNSZ("psrlw",MMO,8), TNSZ("psrld",MMO,8), TNSZ("psrlq",MMO,8), 1829 /* [D4] */ TNSZ("paddq",MMO,8), TNSZ("pmullw",MMO,8), TNSZ("INVALID",MMO,0), TNS("pmovmskb",MMOM3), 1830 /* [D8] */ TNSZ("psubusb",MMO,8), TNSZ("psubusw",MMO,8), TNSZ("pminub",MMO,8), TNSZ("pand",MMO,8), 1831 /* [DC] */ TNSZ("paddusb",MMO,8), TNSZ("paddusw",MMO,8), TNSZ("pmaxub",MMO,8), TNSZ("pandn",MMO,8), 1832 }, { 1833 /* [E0] */ TNSZ("pavgb",MMO,8), TNSZ("psraw",MMO,8), TNSZ("psrad",MMO,8), TNSZ("pavgw",MMO,8), 1834 /* [E4] */ TNSZ("pmulhuw",MMO,8), TNSZ("pmulhw",MMO,8), TNS("INVALID",XMMO), TNSZ("movntq",MMOMS,8), 1835 /* [E8] */ TNSZ("psubsb",MMO,8), TNSZ("psubsw",MMO,8), TNSZ("pminsw",MMO,8), TNSZ("por",MMO,8), 1836 /* [EC] */ TNSZ("paddsb",MMO,8), TNSZ("paddsw",MMO,8), TNSZ("pmaxsw",MMO,8), TNSZ("pxor",MMO,8), 1837 }, { 1838 /* [F0] */ INVALID, TNSZ("psllw",MMO,8), TNSZ("pslld",MMO,8), TNSZ("psllq",MMO,8), 1839 /* [F4] */ TNSZ("pmuludq",MMO,8), TNSZ("pmaddwd",MMO,8), TNSZ("psadbw",MMO,8), TNSZ("maskmovq",MMOIMPL,8), 1840 /* [F8] */ TNSZ("psubb",MMO,8), TNSZ("psubw",MMO,8), TNSZ("psubd",MMO,8), TNSZ("psubq",MMO,8), 1841 /* [FC] */ TNSZ("paddb",MMO,8), TNSZ("paddw",MMO,8), TNSZ("paddd",MMO,8), INVALID, 1842 } }; 1843 1844 const instable_t dis_opAVX0F[16][16] = { 1845 { 1846 /* [00] */ INVALID, INVALID, INVALID, INVALID, 1847 /* [04] */ INVALID, INVALID, INVALID, INVALID, 1848 /* [08] */ INVALID, INVALID, INVALID, INVALID, 1849 /* [0C] */ INVALID, INVALID, INVALID, INVALID, 1850 }, { 1851 /* [10] */ TNSZ("vmovups",VEX_MX,16), TNSZ("vmovups",VEX_RM,16),TNSZ("vmovlps",VEX_RMrX,8), TNSZ("vmovlps",VEX_RM,8), 1852 /* [14] */ TNSZ("vunpcklps",VEX_RMrX,16),TNSZ("vunpckhps",VEX_RMrX,16),TNSZ("vmovhps",VEX_RMrX,8),TNSZ("vmovhps",VEX_RM,8), 1853 /* [18] */ INVALID, INVALID, INVALID, INVALID, 1854 /* [1C] */ INVALID, INVALID, INVALID, INVALID, 1855 }, { 1856 /* [20] */ INVALID, INVALID, INVALID, INVALID, 1857 /* [24] */ INVALID, INVALID, INVALID, INVALID, 1858 /* [28] */ TNSZ("vmovaps",VEX_MX,16), TNSZ("vmovaps",VEX_RX,16),INVALID, TNSZ("vmovntps",VEX_RM,16), 1859 /* [2C] */ INVALID, INVALID, TNSZ("vucomiss",VEX_MX,4),TNSZ("vcomiss",VEX_MX,4), 1860 }, { 1861 /* [30] */ INVALID, INVALID, INVALID, INVALID, 1862 /* [34] */ INVALID, INVALID, INVALID, INVALID, 1863 /* [38] */ INVALID, INVALID, INVALID, INVALID, 1864 /* [3C] */ INVALID, INVALID, INVALID, INVALID, 1865 }, { 1866 /* [40] */ INVALID, INVALID, INVALID, INVALID, 1867 /* [44] */ INVALID, INVALID, INVALID, INVALID, 1868 /* [48] */ INVALID, INVALID, INVALID, INVALID, 1869 /* [4C] */ INVALID, INVALID, INVALID, INVALID, 1870 }, { 1871 /* [50] */ TNS("vmovmskps",VEX_MR), TNSZ("vsqrtps",VEX_MX,16), TNSZ("vrsqrtps",VEX_MX,16),TNSZ("vrcpps",VEX_MX,16), 1872 /* [54] */ TNSZ("vandps",VEX_RMrX,16), TNSZ("vandnps",VEX_RMrX,16), TNSZ("vorps",VEX_RMrX,16), TNSZ("vxorps",VEX_RMrX,16), 1873 /* [58] */ TNSZ("vaddps",VEX_RMrX,16), TNSZ("vmulps",VEX_RMrX,16), TNSZ("vcvtps2pd",VEX_MX,8),TNSZ("vcvtdq2ps",VEX_MX,16), 1874 /* [5C] */ TNSZ("vsubps",VEX_RMrX,16), TNSZ("vminps",VEX_RMrX,16), TNSZ("vdivps",VEX_RMrX,16), TNSZ("vmaxps",VEX_RMrX,16), 1875 }, { 1876 /* [60] */ INVALID, INVALID, INVALID, INVALID, 1877 /* [64] */ INVALID, INVALID, INVALID, INVALID, 1878 /* [68] */ INVALID, INVALID, INVALID, INVALID, 1879 /* [6C] */ INVALID, INVALID, INVALID, INVALID, 1880 }, { 1881 /* [70] */ INVALID, INVALID, INVALID, INVALID, 1882 /* [74] */ INVALID, INVALID, INVALID, TNS("vzeroupper", VEX_NONE), 1883 /* [78] */ INVALID, INVALID, INVALID, INVALID, 1884 /* [7C] */ INVALID, INVALID, INVALID, INVALID, 1885 }, { 1886 /* [80] */ INVALID, INVALID, INVALID, INVALID, 1887 /* [84] */ INVALID, INVALID, INVALID, INVALID, 1888 /* [88] */ INVALID, INVALID, INVALID, INVALID, 1889 /* [8C] */ INVALID, INVALID, INVALID, INVALID, 1890 }, { 1891 /* [90] */ INVALID, INVALID, INVALID, INVALID, 1892 /* [94] */ INVALID, INVALID, INVALID, INVALID, 1893 /* [98] */ INVALID, INVALID, INVALID, INVALID, 1894 /* [9C] */ INVALID, INVALID, INVALID, INVALID, 1895 }, { 1896 /* [A0] */ INVALID, INVALID, INVALID, INVALID, 1897 /* [A4] */ INVALID, INVALID, INVALID, INVALID, 1898 /* [A8] */ INVALID, INVALID, INVALID, INVALID, 1899 /* [AC] */ INVALID, INVALID, TNSZ("vldmxcsr",VEX_MO,2), INVALID, 1900 }, { 1901 /* [B0] */ INVALID, INVALID, INVALID, INVALID, 1902 /* [B4] */ INVALID, INVALID, INVALID, INVALID, 1903 /* [B8] */ INVALID, INVALID, INVALID, INVALID, 1904 /* [BC] */ INVALID, INVALID, INVALID, INVALID, 1905 }, { 1906 /* [C0] */ INVALID, INVALID, TNSZ("vcmpps",VEX_RMRX,16),INVALID, 1907 /* [C4] */ INVALID, INVALID, TNSZ("vshufps",VEX_RMRX,16),INVALID, 1908 /* [C8] */ INVALID, INVALID, INVALID, INVALID, 1909 /* [CC] */ INVALID, INVALID, INVALID, INVALID, 1910 }, { 1911 /* [D0] */ INVALID, INVALID, INVALID, INVALID, 1912 /* [D4] */ INVALID, INVALID, INVALID, INVALID, 1913 /* [D8] */ INVALID, INVALID, INVALID, INVALID, 1914 /* [DC] */ INVALID, INVALID, INVALID, INVALID, 1915 }, { 1916 /* [E0] */ INVALID, INVALID, INVALID, INVALID, 1917 /* [E4] */ INVALID, INVALID, INVALID, INVALID, 1918 /* [E8] */ INVALID, INVALID, INVALID, INVALID, 1919 /* [EC] */ INVALID, INVALID, INVALID, INVALID, 1920 }, { 1921 /* [F0] */ INVALID, INVALID, TNSZvr("andn",VEX_RMrX,5),TNSZvr("bls",BLS,5), 1922 /* [F4] */ INVALID, TNSZvr("bzhi",VEX_VRMrX,5),INVALID, TNSZvr("bextr",VEX_VRMrX,5), 1923 /* [F8] */ INVALID, INVALID, INVALID, INVALID, 1924 /* [FC] */ INVALID, INVALID, INVALID, INVALID, 1925 } }; 1926 1927 /* 1928 * Decode table for 0x80 opcodes 1929 */ 1930 1931 const instable_t dis_op80[8] = { 1932 1933 /* [0] */ TNS("addb",IMlw), TNS("orb",IMw), TNS("adcb",IMlw), TNS("sbbb",IMlw), 1934 /* [4] */ TNS("andb",IMw), TNS("subb",IMlw), TNS("xorb",IMw), TNS("cmpb",IMlw), 1935 }; 1936 1937 1938 /* 1939 * Decode table for 0x81 opcodes. 1940 */ 1941 1942 const instable_t dis_op81[8] = { 1943 1944 /* [0] */ TS("add",IMlw), TS("or",IMw), TS("adc",IMlw), TS("sbb",IMlw), 1945 /* [4] */ TS("and",IMw), TS("sub",IMlw), TS("xor",IMw), TS("cmp",IMlw), 1946 }; 1947 1948 1949 /* 1950 * Decode table for 0x82 opcodes. 1951 */ 1952 1953 const instable_t dis_op82[8] = { 1954 1955 /* [0] */ TNSx("addb",IMlw), TNSx("orb",IMlw), TNSx("adcb",IMlw), TNSx("sbbb",IMlw), 1956 /* [4] */ TNSx("andb",IMlw), TNSx("subb",IMlw), TNSx("xorb",IMlw), TNSx("cmpb",IMlw), 1957 }; 1958 /* 1959 * Decode table for 0x83 opcodes. 1960 */ 1961 1962 const instable_t dis_op83[8] = { 1963 1964 /* [0] */ TS("add",IMlw), TS("or",IMlw), TS("adc",IMlw), TS("sbb",IMlw), 1965 /* [4] */ TS("and",IMlw), TS("sub",IMlw), TS("xor",IMlw), TS("cmp",IMlw), 1966 }; 1967 1968 /* 1969 * Decode table for 0xC0 opcodes. 1970 */ 1971 1972 const instable_t dis_opC0[8] = { 1973 1974 /* [0] */ TNS("rolb",MvI), TNS("rorb",MvI), TNS("rclb",MvI), TNS("rcrb",MvI), 1975 /* [4] */ TNS("shlb",MvI), TNS("shrb",MvI), INVALID, TNS("sarb",MvI), 1976 }; 1977 1978 /* 1979 * Decode table for 0xD0 opcodes. 1980 */ 1981 1982 const instable_t dis_opD0[8] = { 1983 1984 /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 1985 /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 1986 }; 1987 1988 /* 1989 * Decode table for 0xC1 opcodes. 1990 * 186 instruction set 1991 */ 1992 1993 const instable_t dis_opC1[8] = { 1994 1995 /* [0] */ TS("rol",MvI), TS("ror",MvI), TS("rcl",MvI), TS("rcr",MvI), 1996 /* [4] */ TS("shl",MvI), TS("shr",MvI), TS("sal",MvI), TS("sar",MvI), 1997 }; 1998 1999 /* 2000 * Decode table for 0xD1 opcodes. 2001 */ 2002 2003 const instable_t dis_opD1[8] = { 2004 2005 /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 2006 /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("sal",Mv), TS("sar",Mv), 2007 }; 2008 2009 2010 /* 2011 * Decode table for 0xD2 opcodes. 2012 */ 2013 2014 const instable_t dis_opD2[8] = { 2015 2016 /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv), 2017 /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv), 2018 }; 2019 /* 2020 * Decode table for 0xD3 opcodes. 2021 */ 2022 2023 const instable_t dis_opD3[8] = { 2024 2025 /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv), 2026 /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("salb",Mv), TS("sar",Mv), 2027 }; 2028 2029 2030 /* 2031 * Decode table for 0xF6 opcodes. 2032 */ 2033 2034 const instable_t dis_opF6[8] = { 2035 2036 /* [0] */ TNS("testb",IMw), TNS("testb",IMw), TNS("notb",Mw), TNS("negb",Mw), 2037 /* [4] */ TNS("mulb",MA), TNS("imulb",MA), TNS("divb",MA), TNS("idivb",MA), 2038 }; 2039 2040 2041 /* 2042 * Decode table for 0xF7 opcodes. 2043 */ 2044 2045 const instable_t dis_opF7[8] = { 2046 2047 /* [0] */ TS("test",IMw), TS("test",IMw), TS("not",Mw), TS("neg",Mw), 2048 /* [4] */ TS("mul",MA), TS("imul",MA), TS("div",MA), TS("idiv",MA), 2049 }; 2050 2051 2052 /* 2053 * Decode table for 0xFE opcodes. 2054 */ 2055 2056 const instable_t dis_opFE[8] = { 2057 2058 /* [0] */ TNS("incb",Mw), TNS("decb",Mw), INVALID, INVALID, 2059 /* [4] */ INVALID, INVALID, INVALID, INVALID, 2060 }; 2061 /* 2062 * Decode table for 0xFF opcodes. 2063 */ 2064 2065 const instable_t dis_opFF[8] = { 2066 2067 /* [0] */ TS("inc",Mw), TS("dec",Mw), TNSyp("call",INM), TNS("lcall",INM), 2068 /* [4] */ TNSy("jmp",INM), TNS("ljmp",INM), TSp("push",M), INVALID, 2069 }; 2070 2071 /* for 287 instructions, which are a mess to decode */ 2072 2073 const instable_t dis_opFP1n2[8][8] = { 2074 { 2075 /* bit pattern: 1101 1xxx MODxx xR/M */ 2076 /* [0,0] */ TNS("fadds",M), TNS("fmuls",M), TNS("fcoms",M), TNS("fcomps",M), 2077 /* [0,4] */ TNS("fsubs",M), TNS("fsubrs",M), TNS("fdivs",M), TNS("fdivrs",M), 2078 }, { 2079 /* [1,0] */ TNS("flds",M), INVALID, TNS("fsts",M), TNS("fstps",M), 2080 /* [1,4] */ TNSZ("fldenv",M,28), TNSZ("fldcw",M,2), TNSZ("fnstenv",M,28), TNSZ("fnstcw",M,2), 2081 }, { 2082 /* [2,0] */ TNS("fiaddl",M), TNS("fimull",M), TNS("ficoml",M), TNS("ficompl",M), 2083 /* [2,4] */ TNS("fisubl",M), TNS("fisubrl",M), TNS("fidivl",M), TNS("fidivrl",M), 2084 }, { 2085 /* [3,0] */ TNS("fildl",M), TNSZ("tisttpl",M,4), TNS("fistl",M), TNS("fistpl",M), 2086 /* [3,4] */ INVALID, TNSZ("fldt",M,10), INVALID, TNSZ("fstpt",M,10), 2087 }, { 2088 /* [4,0] */ TNSZ("faddl",M,8), TNSZ("fmull",M,8), TNSZ("fcoml",M,8), TNSZ("fcompl",M,8), 2089 /* [4,1] */ TNSZ("fsubl",M,8), TNSZ("fsubrl",M,8), TNSZ("fdivl",M,8), TNSZ("fdivrl",M,8), 2090 }, { 2091 /* [5,0] */ TNSZ("fldl",M,8), TNSZ("fisttpll",M,8), TNSZ("fstl",M,8), TNSZ("fstpl",M,8), 2092 /* [5,4] */ TNSZ("frstor",M,108), INVALID, TNSZ("fnsave",M,108), TNSZ("fnstsw",M,2), 2093 }, { 2094 /* [6,0] */ TNSZ("fiadd",M,2), TNSZ("fimul",M,2), TNSZ("ficom",M,2), TNSZ("ficomp",M,2), 2095 /* [6,4] */ TNSZ("fisub",M,2), TNSZ("fisubr",M,2), TNSZ("fidiv",M,2), TNSZ("fidivr",M,2), 2096 }, { 2097 /* [7,0] */ TNSZ("fild",M,2), TNSZ("fisttp",M,2), TNSZ("fist",M,2), TNSZ("fistp",M,2), 2098 /* [7,4] */ TNSZ("fbld",M,10), TNSZ("fildll",M,8), TNSZ("fbstp",M,10), TNSZ("fistpll",M,8), 2099 } }; 2100 2101 const instable_t dis_opFP3[8][8] = { 2102 { 2103 /* bit pattern: 1101 1xxx 11xx xREG */ 2104 /* [0,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 2105 /* [0,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 2106 }, { 2107 /* [1,0] */ TNS("fld",F), TNS("fxch",F), TNS("fnop",NORM), TNS("fstp",F), 2108 /* [1,4] */ INVALID, INVALID, INVALID, INVALID, 2109 }, { 2110 /* [2,0] */ INVALID, INVALID, INVALID, INVALID, 2111 /* [2,4] */ INVALID, TNS("fucompp",NORM), INVALID, INVALID, 2112 }, { 2113 /* [3,0] */ INVALID, INVALID, INVALID, INVALID, 2114 /* [3,4] */ INVALID, INVALID, INVALID, INVALID, 2115 }, { 2116 /* [4,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F), 2117 /* [4,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF), 2118 }, { 2119 /* [5,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fst",F), TNS("fstp",F), 2120 /* [5,4] */ TNS("fucom",F), TNS("fucomp",F), INVALID, INVALID, 2121 }, { 2122 /* [6,0] */ TNS("faddp",FF), TNS("fmulp",FF), TNS("fcomp",F), TNS("fcompp",NORM), 2123 /* [6,4] */ TNS("fsubp",FF), TNS("fsubrp",FF), TNS("fdivp",FF), TNS("fdivrp",FF), 2124 }, { 2125 /* [7,0] */ TNS("ffreep",F), TNS("fxch",F), TNS("fstp",F), TNS("fstp",F), 2126 /* [7,4] */ TNS("fnstsw",M), TNS("fucomip",FFC), TNS("fcomip",FFC), INVALID, 2127 } }; 2128 2129 const instable_t dis_opFP4[4][8] = { 2130 { 2131 /* bit pattern: 1101 1001 111x xxxx */ 2132 /* [0,0] */ TNS("fchs",NORM), TNS("fabs",NORM), INVALID, INVALID, 2133 /* [0,4] */ TNS("ftst",NORM), TNS("fxam",NORM), TNS("ftstp",NORM), INVALID, 2134 }, { 2135 /* [1,0] */ TNS("fld1",NORM), TNS("fldl2t",NORM), TNS("fldl2e",NORM), TNS("fldpi",NORM), 2136 /* [1,4] */ TNS("fldlg2",NORM), TNS("fldln2",NORM), TNS("fldz",NORM), INVALID, 2137 }, { 2138 /* [2,0] */ TNS("f2xm1",NORM), TNS("fyl2x",NORM), TNS("fptan",NORM), TNS("fpatan",NORM), 2139 /* [2,4] */ TNS("fxtract",NORM), TNS("fprem1",NORM), TNS("fdecstp",NORM), TNS("fincstp",NORM), 2140 }, { 2141 /* [3,0] */ TNS("fprem",NORM), TNS("fyl2xp1",NORM), TNS("fsqrt",NORM), TNS("fsincos",NORM), 2142 /* [3,4] */ TNS("frndint",NORM), TNS("fscale",NORM), TNS("fsin",NORM), TNS("fcos",NORM), 2143 } }; 2144 2145 const instable_t dis_opFP5[8] = { 2146 /* bit pattern: 1101 1011 111x xxxx */ 2147 /* [0] */ TNS("feni",NORM), TNS("fdisi",NORM), TNS("fnclex",NORM), TNS("fninit",NORM), 2148 /* [4] */ TNS("fsetpm",NORM), TNS("frstpm",NORM), INVALID, INVALID, 2149 }; 2150 2151 const instable_t dis_opFP6[8] = { 2152 /* bit pattern: 1101 1011 11yy yxxx */ 2153 /* [00] */ TNS("fcmov.nb",FF), TNS("fcmov.ne",FF), TNS("fcmov.nbe",FF), TNS("fcmov.nu",FF), 2154 /* [04] */ INVALID, TNS("fucomi",F), TNS("fcomi",F), INVALID, 2155 }; 2156 2157 const instable_t dis_opFP7[8] = { 2158 /* bit pattern: 1101 1010 11yy yxxx */ 2159 /* [00] */ TNS("fcmov.b",FF), TNS("fcmov.e",FF), TNS("fcmov.be",FF), TNS("fcmov.u",FF), 2160 /* [04] */ INVALID, INVALID, INVALID, INVALID, 2161 }; 2162 2163 /* 2164 * Main decode table for the op codes. The first two nibbles 2165 * will be used as an index into the table. If there is a 2166 * a need to further decode an instruction, the array to be 2167 * referenced is indicated with the other two entries being 2168 * empty. 2169 */ 2170 2171 const instable_t dis_distable[16][16] = { 2172 { 2173 /* [0,0] */ TNS("addb",RMw), TS("add",RMw), TNS("addb",MRw), TS("add",MRw), 2174 /* [0,4] */ TNS("addb",IA), TS("add",IA), TSx("push",SEG), TSx("pop",SEG), 2175 /* [0,8] */ TNS("orb",RMw), TS("or",RMw), TNS("orb",MRw), TS("or",MRw), 2176 /* [0,C] */ TNS("orb",IA), TS("or",IA), TSx("push",SEG), IND(dis_op0F), 2177 }, { 2178 /* [1,0] */ TNS("adcb",RMw), TS("adc",RMw), TNS("adcb",MRw), TS("adc",MRw), 2179 /* [1,4] */ TNS("adcb",IA), TS("adc",IA), TSx("push",SEG), TSx("pop",SEG), 2180 /* [1,8] */ TNS("sbbb",RMw), TS("sbb",RMw), TNS("sbbb",MRw), TS("sbb",MRw), 2181 /* [1,C] */ TNS("sbbb",IA), TS("sbb",IA), TSx("push",SEG), TSx("pop",SEG), 2182 }, { 2183 /* [2,0] */ TNS("andb",RMw), TS("and",RMw), TNS("andb",MRw), TS("and",MRw), 2184 /* [2,4] */ TNS("andb",IA), TS("and",IA), TNSx("%es:",OVERRIDE), TNSx("daa",NORM), 2185 /* [2,8] */ TNS("subb",RMw), TS("sub",RMw), TNS("subb",MRw), TS("sub",MRw), 2186 /* [2,C] */ TNS("subb",IA), TS("sub",IA), TNS("%cs:",OVERRIDE), TNSx("das",NORM), 2187 }, { 2188 /* [3,0] */ TNS("xorb",RMw), TS("xor",RMw), TNS("xorb",MRw), TS("xor",MRw), 2189 /* [3,4] */ TNS("xorb",IA), TS("xor",IA), TNSx("%ss:",OVERRIDE), TNSx("aaa",NORM), 2190 /* [3,8] */ TNS("cmpb",RMw), TS("cmp",RMw), TNS("cmpb",MRw), TS("cmp",MRw), 2191 /* [3,C] */ TNS("cmpb",IA), TS("cmp",IA), TNSx("%ds:",OVERRIDE), TNSx("aas",NORM), 2192 }, { 2193 /* [4,0] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 2194 /* [4,4] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R), 2195 /* [4,8] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 2196 /* [4,C] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R), 2197 }, { 2198 /* [5,0] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 2199 /* [5,4] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R), 2200 /* [5,8] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 2201 /* [5,C] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R), 2202 }, { 2203 /* [6,0] */ TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR), TNS("arpl",RMw), 2204 /* [6,4] */ TNS("%fs:",OVERRIDE), TNS("%gs:",OVERRIDE), TNS("data16",DM), TNS("addr16",AM), 2205 /* [6,8] */ TSp("push",I), TS("imul",IMUL), TSp("push",Ib), TS("imul",IMUL), 2206 /* [6,C] */ TNSZ("insb",IMPLMEM,1), TSZ("ins",IMPLMEM,4), TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4), 2207 }, { 2208 /* [7,0] */ TNSy("jo",BD), TNSy("jno",BD), TNSy("jb",BD), TNSy("jae",BD), 2209 /* [7,4] */ TNSy("je",BD), TNSy("jne",BD), TNSy("jbe",BD), TNSy("ja",BD), 2210 /* [7,8] */ TNSy("js",BD), TNSy("jns",BD), TNSy("jp",BD), TNSy("jnp",BD), 2211 /* [7,C] */ TNSy("jl",BD), TNSy("jge",BD), TNSy("jle",BD), TNSy("jg",BD), 2212 }, { 2213 /* [8,0] */ IND(dis_op80), IND(dis_op81), INDx(dis_op82), IND(dis_op83), 2214 /* [8,4] */ TNS("testb",RMw), TS("test",RMw), TNS("xchgb",RMw), TS("xchg",RMw), 2215 /* [8,8] */ TNS("movb",RMw), TS("mov",RMw), TNS("movb",MRw), TS("mov",MRw), 2216 /* [8,C] */ TNS("movw",SM), TS("lea",MR), TNS("movw",MS), TSp("pop",M), 2217 }, { 2218 /* [9,0] */ TNS("nop",NORM), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 2219 /* [9,4] */ TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), 2220 /* [9,8] */ TNS("cXtX",CBW), TNS("cXtX",CWD), TNSx("lcall",SO), TNS("fwait",NORM), 2221 /* [9,C] */ TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4), TNS("sahf",NORM), TNS("lahf",NORM), 2222 }, { 2223 /* [A,0] */ TNS("movb",OA), TS("mov",OA), TNS("movb",AO), TS("mov",AO), 2224 /* [A,4] */ TNSZ("movsb",SD,1), TS("movs",SD), TNSZ("cmpsb",SD,1), TS("cmps",SD), 2225 /* [A,8] */ TNS("testb",IA), TS("test",IA), TNS("stosb",AD), TS("stos",AD), 2226 /* [A,C] */ TNS("lodsb",SA), TS("lods",SA), TNS("scasb",AD), TS("scas",AD), 2227 }, { 2228 /* [B,0] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 2229 /* [B,4] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), 2230 /* [B,8] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 2231 /* [B,C] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR), 2232 }, { 2233 /* [C,0] */ IND(dis_opC0), IND(dis_opC1), TNSyp("ret",RET), TNSyp("ret",NORM), 2234 /* [C,4] */ TNSx("les",MR), TNSx("lds",MR), TNS("movb",IMw), TS("mov",IMw), 2235 /* [C,8] */ TNSyp("enter",ENTER), TNSyp("leave",NORM), TNS("lret",RET), TNS("lret",NORM), 2236 /* [C,C] */ TNS("int",INT3), TNS("int",INTx), TNSx("into",NORM), TNS("iret",NORM), 2237 }, { 2238 /* [D,0] */ IND(dis_opD0), IND(dis_opD1), IND(dis_opD2), IND(dis_opD3), 2239 /* [D,4] */ TNSx("aam",U), TNSx("aad",U), TNSx("falc",NORM), TNSZ("xlat",IMPLMEM,1), 2240 2241 /* 287 instructions. Note that although the indirect field */ 2242 /* indicates opFP1n2 for further decoding, this is not necessarily */ 2243 /* the case since the opFP arrays are not partitioned according to key1 */ 2244 /* and key2. opFP1n2 is given only to indicate that we haven't */ 2245 /* finished decoding the instruction. */ 2246 /* [D,8] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 2247 /* [D,C] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), 2248 }, { 2249 /* [E,0] */ TNSy("loopnz",BD), TNSy("loopz",BD), TNSy("loop",BD), TNSy("jcxz",BD), 2250 /* [E,4] */ TNS("inb",P), TS("in",P), TNS("outb",P), TS("out",P), 2251 /* [E,8] */ TNSyp("call",D), TNSy("jmp",D), TNSx("ljmp",SO), TNSy("jmp",BD), 2252 /* [E,C] */ TNS("inb",V), TS("in",V), TNS("outb",V), TS("out",V), 2253 }, { 2254 /* [F,0] */ TNS("lock",LOCK), TNS("icebp", NORM), TNS("repnz",PREFIX), TNS("repz",PREFIX), 2255 /* [F,4] */ TNS("hlt",NORM), TNS("cmc",NORM), IND(dis_opF6), IND(dis_opF7), 2256 /* [F,8] */ TNS("clc",NORM), TNS("stc",NORM), TNS("cli",NORM), TNS("sti",NORM), 2257 /* [F,C] */ TNS("cld",NORM), TNS("std",NORM), IND(dis_opFE), IND(dis_opFF), 2258 } }; 2259 2260 /* END CSTYLED */ 2261 2262 /* 2263 * common functions to decode and disassemble an x86 or amd64 instruction 2264 */ 2265 2266 /* 2267 * These are the individual fields of a REX prefix. Note that a REX 2268 * prefix with none of these set is still needed to: 2269 * - use the MOVSXD (sign extend 32 to 64 bits) instruction 2270 * - access the %sil, %dil, %bpl, %spl registers 2271 */ 2272 #define REX_W 0x08 /* 64 bit operand size when set */ 2273 #define REX_R 0x04 /* high order bit extension of ModRM reg field */ 2274 #define REX_X 0x02 /* high order bit extension of SIB index field */ 2275 #define REX_B 0x01 /* extends ModRM r_m, SIB base, or opcode reg */ 2276 2277 /* 2278 * These are the individual fields of a VEX prefix. 2279 */ 2280 #define VEX_R 0x08 /* REX.R in 1's complement form */ 2281 #define VEX_X 0x04 /* REX.X in 1's complement form */ 2282 #define VEX_B 0x02 /* REX.B in 1's complement form */ 2283 /* Vector Length, 0: scalar or 128-bit vector, 1: 256-bit vector */ 2284 #define VEX_L 0x04 2285 #define VEX_W 0x08 /* opcode specific, use like REX.W */ 2286 #define VEX_m 0x1F /* VEX m-mmmm field */ 2287 #define VEX_v 0x78 /* VEX register specifier */ 2288 #define VEX_p 0x03 /* VEX pp field, opcode extension */ 2289 2290 /* VEX m-mmmm field, only used by three bytes prefix */ 2291 #define VEX_m_0F 0x01 /* implied 0F leading opcode byte */ 2292 #define VEX_m_0F38 0x02 /* implied 0F 38 leading opcode byte */ 2293 #define VEX_m_0F3A 0x03 /* implied 0F 3A leading opcode byte */ 2294 2295 /* VEX pp field, providing equivalent functionality of a SIMD prefix */ 2296 #define VEX_p_66 0x01 2297 #define VEX_p_F3 0x02 2298 #define VEX_p_F2 0x03 2299 2300 /* 2301 * Even in 64 bit mode, usually only 4 byte immediate operands are supported. 2302 */ 2303 static int isize[] = {1, 2, 4, 4}; 2304 static int isize64[] = {1, 2, 4, 8}; 2305 2306 /* 2307 * Just a bunch of useful macros. 2308 */ 2309 #define WBIT(x) (x & 0x1) /* to get w bit */ 2310 #define REGNO(x) (x & 0x7) /* to get 3 bit register */ 2311 #define VBIT(x) ((x)>>1 & 0x1) /* to get 'v' bit */ 2312 #define OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1) 2313 #define OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1) 2314 2315 #define REG_ONLY 3 /* mode to indicate a register operand (not memory) */ 2316 2317 #define BYTE_OPND 0 /* w-bit value indicating byte register */ 2318 #define LONG_OPND 1 /* w-bit value indicating opnd_size register */ 2319 #define MM_OPND 2 /* "value" used to indicate a mmx reg */ 2320 #define XMM_OPND 3 /* "value" used to indicate a xmm reg */ 2321 #define SEG_OPND 4 /* "value" used to indicate a segment reg */ 2322 #define CONTROL_OPND 5 /* "value" used to indicate a control reg */ 2323 #define DEBUG_OPND 6 /* "value" used to indicate a debug reg */ 2324 #define TEST_OPND 7 /* "value" used to indicate a test reg */ 2325 #define WORD_OPND 8 /* w-bit value indicating word size reg */ 2326 #define YMM_OPND 9 /* "value" used to indicate a ymm reg */ 2327 2328 /* 2329 * The AVX2 gather instructions are a bit of a mess. While there's a pattern, 2330 * there's not really a consistent scheme that we can use to know what the mode 2331 * is supposed to be for a given type. Various instructions, like VPGATHERDD, 2332 * always match the value of VEX_L. Other instructions like VPGATHERDQ, have 2333 * some registers match VEX_L, but the VSIB is always XMM. 2334 * 2335 * The simplest way to deal with this is to just define a table based on the 2336 * instruction opcodes, which are 0x90-0x93, so we subtract 0x90 to index into 2337 * them. 2338 * 2339 * We further have to subdivide this based on the value of VEX_W and the value 2340 * of VEX_L. The array is constructed to be indexed as: 2341 * [opcode - 0x90][VEX_W][VEX_L]. 2342 */ 2343 /* w = 0, 0x90 */ 2344 typedef struct dis_gather_regs { 2345 uint_t dgr_arg0; /* src reg */ 2346 uint_t dgr_arg1; /* vsib reg */ 2347 uint_t dgr_arg2; /* dst reg */ 2348 char *dgr_suffix; /* suffix to append */ 2349 } dis_gather_regs_t; 2350 2351 static dis_gather_regs_t dis_vgather[4][2][2] = { 2352 { 2353 /* op 0x90, W.0 */ 2354 { 2355 { XMM_OPND, XMM_OPND, XMM_OPND, "d" }, 2356 { YMM_OPND, YMM_OPND, YMM_OPND, "d" } 2357 }, 2358 /* op 0x90, W.1 */ 2359 { 2360 { XMM_OPND, XMM_OPND, XMM_OPND, "q" }, 2361 { YMM_OPND, XMM_OPND, YMM_OPND, "q" } 2362 } 2363 }, 2364 { 2365 /* op 0x91, W.0 */ 2366 { 2367 { XMM_OPND, XMM_OPND, XMM_OPND, "d" }, 2368 { XMM_OPND, YMM_OPND, XMM_OPND, "d" }, 2369 }, 2370 /* op 0x91, W.1 */ 2371 { 2372 { XMM_OPND, XMM_OPND, XMM_OPND, "q" }, 2373 { YMM_OPND, YMM_OPND, YMM_OPND, "q" }, 2374 } 2375 }, 2376 { 2377 /* op 0x92, W.0 */ 2378 { 2379 { XMM_OPND, XMM_OPND, XMM_OPND, "s" }, 2380 { YMM_OPND, YMM_OPND, YMM_OPND, "s" } 2381 }, 2382 /* op 0x92, W.1 */ 2383 { 2384 { XMM_OPND, XMM_OPND, XMM_OPND, "d" }, 2385 { YMM_OPND, XMM_OPND, YMM_OPND, "d" } 2386 } 2387 }, 2388 { 2389 /* op 0x93, W.0 */ 2390 { 2391 { XMM_OPND, XMM_OPND, XMM_OPND, "s" }, 2392 { XMM_OPND, YMM_OPND, XMM_OPND, "s" } 2393 }, 2394 /* op 0x93, W.1 */ 2395 { 2396 { XMM_OPND, XMM_OPND, XMM_OPND, "d" }, 2397 { YMM_OPND, YMM_OPND, YMM_OPND, "d" } 2398 } 2399 } 2400 }; 2401 2402 /* 2403 * Get the next byte and separate the op code into the high and low nibbles. 2404 */ 2405 static int 2406 dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low) 2407 { 2408 int byte; 2409 2410 /* 2411 * x86 instructions have a maximum length of 15 bytes. Bail out if 2412 * we try to read more. 2413 */ 2414 if (x->d86_len >= 15) 2415 return (x->d86_error = 1); 2416 2417 if (x->d86_error) 2418 return (1); 2419 byte = x->d86_get_byte(x->d86_data); 2420 if (byte < 0) 2421 return (x->d86_error = 1); 2422 x->d86_bytes[x->d86_len++] = byte; 2423 *low = byte & 0xf; /* ----xxxx low 4 bits */ 2424 *high = byte >> 4 & 0xf; /* xxxx---- bits 7 to 4 */ 2425 return (0); 2426 } 2427 2428 /* 2429 * Get and decode an SIB (scaled index base) byte 2430 */ 2431 static void 2432 dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base) 2433 { 2434 int byte; 2435 2436 if (x->d86_error) 2437 return; 2438 2439 byte = x->d86_get_byte(x->d86_data); 2440 if (byte < 0) { 2441 x->d86_error = 1; 2442 return; 2443 } 2444 x->d86_bytes[x->d86_len++] = byte; 2445 2446 *base = byte & 0x7; 2447 *index = (byte >> 3) & 0x7; 2448 *ss = (byte >> 6) & 0x3; 2449 } 2450 2451 /* 2452 * Get the byte following the op code and separate it into the 2453 * mode, register, and r/m fields. 2454 */ 2455 static void 2456 dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m) 2457 { 2458 if (x->d86_got_modrm == 0) { 2459 if (x->d86_rmindex == -1) 2460 x->d86_rmindex = x->d86_len; 2461 dtrace_get_SIB(x, mode, reg, r_m); 2462 x->d86_got_modrm = 1; 2463 } 2464 } 2465 2466 /* 2467 * Adjust register selection based on any REX prefix bits present. 2468 */ 2469 /*ARGSUSED*/ 2470 static void 2471 dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m) 2472 { 2473 if (reg != NULL && r_m == NULL) { 2474 if (rex_prefix & REX_B) 2475 *reg += 8; 2476 } else { 2477 if (reg != NULL && (REX_R & rex_prefix) != 0) 2478 *reg += 8; 2479 if (r_m != NULL && (REX_B & rex_prefix) != 0) 2480 *r_m += 8; 2481 } 2482 } 2483 2484 /* 2485 * Adjust register selection based on any VEX prefix bits present. 2486 * Notes: VEX.R, VEX.X and VEX.B use the inverted form compared with REX prefix 2487 */ 2488 /*ARGSUSED*/ 2489 static void 2490 dtrace_vex_adjust(uint_t vex_byte1, uint_t mode, uint_t *reg, uint_t *r_m) 2491 { 2492 if (reg != NULL && r_m == NULL) { 2493 if (!(vex_byte1 & VEX_B)) 2494 *reg += 8; 2495 } else { 2496 if (reg != NULL && ((VEX_R & vex_byte1) == 0)) 2497 *reg += 8; 2498 if (r_m != NULL && ((VEX_B & vex_byte1) == 0)) 2499 *r_m += 8; 2500 } 2501 } 2502 2503 /* 2504 * Get an immediate operand of the given size, with sign extension. 2505 */ 2506 static void 2507 dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex) 2508 { 2509 int i; 2510 int byte; 2511 int valsize; 2512 2513 if (x->d86_numopnds < opindex + 1) 2514 x->d86_numopnds = opindex + 1; 2515 2516 switch (wbit) { 2517 case BYTE_OPND: 2518 valsize = 1; 2519 break; 2520 case LONG_OPND: 2521 if (x->d86_opnd_size == SIZE16) 2522 valsize = 2; 2523 else if (x->d86_opnd_size == SIZE32) 2524 valsize = 4; 2525 else 2526 valsize = 8; 2527 break; 2528 case MM_OPND: 2529 case XMM_OPND: 2530 case YMM_OPND: 2531 case SEG_OPND: 2532 case CONTROL_OPND: 2533 case DEBUG_OPND: 2534 case TEST_OPND: 2535 valsize = size; 2536 break; 2537 case WORD_OPND: 2538 valsize = 2; 2539 break; 2540 } 2541 if (valsize < size) 2542 valsize = size; 2543 2544 if (x->d86_error) 2545 return; 2546 x->d86_opnd[opindex].d86_value = 0; 2547 for (i = 0; i < size; ++i) { 2548 byte = x->d86_get_byte(x->d86_data); 2549 if (byte < 0) { 2550 x->d86_error = 1; 2551 return; 2552 } 2553 x->d86_bytes[x->d86_len++] = byte; 2554 x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8); 2555 } 2556 /* Do sign extension */ 2557 if (x->d86_bytes[x->d86_len - 1] & 0x80) { 2558 for (; i < sizeof (uint64_t); i++) 2559 x->d86_opnd[opindex].d86_value |= 2560 (uint64_t)0xff << (i * 8); 2561 } 2562 #ifdef DIS_TEXT 2563 x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 2564 x->d86_opnd[opindex].d86_value_size = valsize; 2565 x->d86_imm_bytes += size; 2566 #endif 2567 } 2568 2569 /* 2570 * Get an ip relative operand of the given size, with sign extension. 2571 */ 2572 static void 2573 dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex) 2574 { 2575 dtrace_imm_opnd(x, wbit, size, opindex); 2576 #ifdef DIS_TEXT 2577 x->d86_opnd[opindex].d86_mode = MODE_IPREL; 2578 #endif 2579 } 2580 2581 /* 2582 * Check to see if there is a segment override prefix pending. 2583 * If so, print it in the current 'operand' location and set 2584 * the override flag back to false. 2585 */ 2586 /*ARGSUSED*/ 2587 static void 2588 dtrace_check_override(dis86_t *x, int opindex) 2589 { 2590 #ifdef DIS_TEXT 2591 if (x->d86_seg_prefix) { 2592 (void) strlcat(x->d86_opnd[opindex].d86_prefix, 2593 x->d86_seg_prefix, PFIXLEN); 2594 } 2595 #endif 2596 x->d86_seg_prefix = NULL; 2597 } 2598 2599 2600 /* 2601 * Process a single instruction Register or Memory operand. 2602 * 2603 * mode = addressing mode from ModRM byte 2604 * r_m = r_m (or reg if mode == 3) field from ModRM byte 2605 * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use. 2606 * o = index of operand that we are processing (0, 1 or 2) 2607 * 2608 * the value of reg or r_m must have already been adjusted for any REX prefix. 2609 */ 2610 /*ARGSUSED*/ 2611 static void 2612 dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex) 2613 { 2614 int have_SIB = 0; /* flag presence of scale-index-byte */ 2615 uint_t ss; /* scale-factor from opcode */ 2616 uint_t index; /* index register number */ 2617 uint_t base; /* base register number */ 2618 int dispsize; /* size of displacement in bytes */ 2619 #ifdef DIS_TEXT 2620 char *opnd = x->d86_opnd[opindex].d86_opnd; 2621 #endif 2622 2623 if (x->d86_numopnds < opindex + 1) 2624 x->d86_numopnds = opindex + 1; 2625 2626 if (x->d86_error) 2627 return; 2628 2629 /* 2630 * first handle a simple register 2631 */ 2632 if (mode == REG_ONLY) { 2633 #ifdef DIS_TEXT 2634 switch (wbit) { 2635 case MM_OPND: 2636 (void) strlcat(opnd, dis_MMREG[r_m], OPLEN); 2637 break; 2638 case XMM_OPND: 2639 (void) strlcat(opnd, dis_XMMREG[r_m], OPLEN); 2640 break; 2641 case YMM_OPND: 2642 (void) strlcat(opnd, dis_YMMREG[r_m], OPLEN); 2643 break; 2644 case SEG_OPND: 2645 (void) strlcat(opnd, dis_SEGREG[r_m], OPLEN); 2646 break; 2647 case CONTROL_OPND: 2648 (void) strlcat(opnd, dis_CONTROLREG[r_m], OPLEN); 2649 break; 2650 case DEBUG_OPND: 2651 (void) strlcat(opnd, dis_DEBUGREG[r_m], OPLEN); 2652 break; 2653 case TEST_OPND: 2654 (void) strlcat(opnd, dis_TESTREG[r_m], OPLEN); 2655 break; 2656 case BYTE_OPND: 2657 if (x->d86_rex_prefix == 0) 2658 (void) strlcat(opnd, dis_REG8[r_m], OPLEN); 2659 else 2660 (void) strlcat(opnd, dis_REG8_REX[r_m], OPLEN); 2661 break; 2662 case WORD_OPND: 2663 (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 2664 break; 2665 case LONG_OPND: 2666 if (x->d86_opnd_size == SIZE16) 2667 (void) strlcat(opnd, dis_REG16[r_m], OPLEN); 2668 else if (x->d86_opnd_size == SIZE32) 2669 (void) strlcat(opnd, dis_REG32[r_m], OPLEN); 2670 else 2671 (void) strlcat(opnd, dis_REG64[r_m], OPLEN); 2672 break; 2673 } 2674 #endif /* DIS_TEXT */ 2675 return; 2676 } 2677 2678 /* 2679 * if symbolic representation, skip override prefix, if any 2680 */ 2681 dtrace_check_override(x, opindex); 2682 2683 /* 2684 * Handle 16 bit memory references first, since they decode 2685 * the mode values more simply. 2686 * mode 1 is r_m + 8 bit displacement 2687 * mode 2 is r_m + 16 bit displacement 2688 * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp 2689 */ 2690 if (x->d86_addr_size == SIZE16) { 2691 if ((mode == 0 && r_m == 6) || mode == 2) 2692 dtrace_imm_opnd(x, WORD_OPND, 2, opindex); 2693 else if (mode == 1) 2694 dtrace_imm_opnd(x, BYTE_OPND, 1, opindex); 2695 #ifdef DIS_TEXT 2696 if (mode == 0 && r_m == 6) 2697 x->d86_opnd[opindex].d86_mode = MODE_SIGNED; 2698 else if (mode == 0) 2699 x->d86_opnd[opindex].d86_mode = MODE_NONE; 2700 else 2701 x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 2702 (void) strlcat(opnd, dis_addr16[mode][r_m], OPLEN); 2703 #endif 2704 return; 2705 } 2706 2707 /* 2708 * 32 and 64 bit addressing modes are more complex since they 2709 * can involve an SIB (scaled index and base) byte to decode. 2710 */ 2711 if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) { 2712 have_SIB = 1; 2713 dtrace_get_SIB(x, &ss, &index, &base); 2714 if (x->d86_error) 2715 return; 2716 if (base != 5 || mode != 0) 2717 if (x->d86_rex_prefix & REX_B) 2718 base += 8; 2719 if (x->d86_rex_prefix & REX_X) 2720 index += 8; 2721 } else { 2722 base = r_m; 2723 } 2724 2725 /* 2726 * Compute the displacement size and get its bytes 2727 */ 2728 dispsize = 0; 2729 2730 if (mode == 1) 2731 dispsize = 1; 2732 else if (mode == 2) 2733 dispsize = 4; 2734 else if ((r_m & 7) == EBP_REGNO || 2735 (have_SIB && (base & 7) == EBP_REGNO)) 2736 dispsize = 4; 2737 2738 if (dispsize > 0) { 2739 dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND, 2740 dispsize, opindex); 2741 if (x->d86_error) 2742 return; 2743 } 2744 2745 #ifdef DIS_TEXT 2746 if (dispsize > 0) 2747 x->d86_opnd[opindex].d86_mode = MODE_OFFSET; 2748 2749 if (have_SIB == 0) { 2750 if (x->d86_mode == SIZE32) { 2751 if (mode == 0) 2752 (void) strlcat(opnd, dis_addr32_mode0[r_m], 2753 OPLEN); 2754 else 2755 (void) strlcat(opnd, dis_addr32_mode12[r_m], 2756 OPLEN); 2757 } else { 2758 if (mode == 0) { 2759 (void) strlcat(opnd, dis_addr64_mode0[r_m], 2760 OPLEN); 2761 if (r_m == 5) { 2762 x->d86_opnd[opindex].d86_mode = 2763 MODE_RIPREL; 2764 } 2765 } else { 2766 (void) strlcat(opnd, dis_addr64_mode12[r_m], 2767 OPLEN); 2768 } 2769 } 2770 } else { 2771 uint_t need_paren = 0; 2772 char **regs; 2773 char **bregs; 2774 const char *const *sf; 2775 if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */ 2776 regs = (char **)dis_REG32; 2777 else 2778 regs = (char **)dis_REG64; 2779 2780 if (x->d86_vsib != 0) { 2781 if (wbit == YMM_OPND) /* NOTE this is not addr_size! */ 2782 bregs = (char **)dis_YMMREG; 2783 else 2784 bregs = (char **)dis_XMMREG; 2785 sf = dis_vscale_factor; 2786 } else { 2787 bregs = regs; 2788 sf = dis_scale_factor; 2789 } 2790 2791 /* 2792 * print the base (if any) 2793 */ 2794 if (base == EBP_REGNO && mode == 0) { 2795 if (index != ESP_REGNO || x->d86_vsib != 0) { 2796 (void) strlcat(opnd, "(", OPLEN); 2797 need_paren = 1; 2798 } 2799 } else { 2800 (void) strlcat(opnd, "(", OPLEN); 2801 (void) strlcat(opnd, regs[base], OPLEN); 2802 need_paren = 1; 2803 } 2804 2805 /* 2806 * print the index (if any) 2807 */ 2808 if (index != ESP_REGNO || x->d86_vsib) { 2809 (void) strlcat(opnd, ",", OPLEN); 2810 (void) strlcat(opnd, bregs[index], OPLEN); 2811 (void) strlcat(opnd, sf[ss], OPLEN); 2812 } else 2813 if (need_paren) 2814 (void) strlcat(opnd, ")", OPLEN); 2815 } 2816 #endif 2817 } 2818 2819 /* 2820 * Operand sequence for standard instruction involving one register 2821 * and one register/memory operand. 2822 * wbit indicates a byte(0) or opnd_size(1) operation 2823 * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r") 2824 */ 2825 #define STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit) { \ 2826 dtrace_get_modrm(x, &mode, ®, &r_m); \ 2827 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 2828 dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 2829 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit); \ 2830 } 2831 2832 /* 2833 * Similar to above, but allows for the two operands to be of different 2834 * classes (ie. wbit). 2835 * wbit is for the r_m operand 2836 * w2 is for the reg operand 2837 */ 2838 #define MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit) { \ 2839 dtrace_get_modrm(x, &mode, ®, &r_m); \ 2840 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 2841 dtrace_get_operand(x, mode, r_m, wbit, vbit); \ 2842 dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit); \ 2843 } 2844 2845 /* 2846 * Similar, but for 2 operands plus an immediate. 2847 * vbit indicates direction 2848 * 0 for "opcode imm, r, r_m" or 2849 * 1 for "opcode imm, r_m, r" 2850 */ 2851 #define THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize, vbit) { \ 2852 dtrace_get_modrm(x, &mode, ®, &r_m); \ 2853 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 2854 dtrace_get_operand(x, mode, r_m, wbit, 2-vbit); \ 2855 dtrace_get_operand(x, REG_ONLY, reg, w2, 1+vbit); \ 2856 dtrace_imm_opnd(x, wbit, immsize, 0); \ 2857 } 2858 2859 /* 2860 * Similar, but for 2 operands plus two immediates. 2861 */ 2862 #define FOUROPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \ 2863 dtrace_get_modrm(x, &mode, ®, &r_m); \ 2864 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 2865 dtrace_get_operand(x, mode, r_m, wbit, 2); \ 2866 dtrace_get_operand(x, REG_ONLY, reg, w2, 3); \ 2867 dtrace_imm_opnd(x, wbit, immsize, 1); \ 2868 dtrace_imm_opnd(x, wbit, immsize, 0); \ 2869 } 2870 2871 /* 2872 * 1 operands plus two immediates. 2873 */ 2874 #define ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, wbit, immsize) { \ 2875 dtrace_get_modrm(x, &mode, ®, &r_m); \ 2876 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \ 2877 dtrace_get_operand(x, mode, r_m, wbit, 2); \ 2878 dtrace_imm_opnd(x, wbit, immsize, 1); \ 2879 dtrace_imm_opnd(x, wbit, immsize, 0); \ 2880 } 2881 2882 /* 2883 * Dissassemble a single x86 or amd64 instruction. 2884 * 2885 * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64) 2886 * for interpreting instructions. 2887 * 2888 * returns non-zero for bad opcode 2889 */ 2890 int 2891 dtrace_disx86(dis86_t *x, uint_t cpu_mode) 2892 { 2893 instable_t *dp; /* decode table being used */ 2894 #ifdef DIS_TEXT 2895 uint_t i; 2896 #endif 2897 #ifdef DIS_MEM 2898 uint_t nomem = 0; 2899 #define NOMEM (nomem = 1) 2900 #else 2901 #define NOMEM /* nothing */ 2902 #endif 2903 uint_t opnd_size; /* SIZE16, SIZE32 or SIZE64 */ 2904 uint_t addr_size; /* SIZE16, SIZE32 or SIZE64 */ 2905 uint_t wbit; /* opcode wbit, 0 is 8 bit, !0 for opnd_size */ 2906 uint_t w2; /* wbit value for second operand */ 2907 uint_t vbit; 2908 uint_t mode = 0; /* mode value from ModRM byte */ 2909 uint_t reg; /* reg value from ModRM byte */ 2910 uint_t r_m; /* r_m value from ModRM byte */ 2911 2912 uint_t opcode1; /* high nibble of 1st byte */ 2913 uint_t opcode2; /* low nibble of 1st byte */ 2914 uint_t opcode3; /* extra opcode bits usually from ModRM byte */ 2915 uint_t opcode4; /* high nibble of 2nd byte */ 2916 uint_t opcode5; /* low nibble of 2nd byte */ 2917 uint_t opcode6; /* high nibble of 3rd byte */ 2918 uint_t opcode7; /* low nibble of 3rd byte */ 2919 uint_t opcode_bytes = 1; 2920 2921 /* 2922 * legacy prefixes come in 5 flavors, you should have only one of each 2923 */ 2924 uint_t opnd_size_prefix = 0; 2925 uint_t addr_size_prefix = 0; 2926 uint_t segment_prefix = 0; 2927 uint_t lock_prefix = 0; 2928 uint_t rep_prefix = 0; 2929 uint_t rex_prefix = 0; /* amd64 register extension prefix */ 2930 2931 /* 2932 * Intel VEX instruction encoding prefix and fields 2933 */ 2934 2935 /* 0xC4 means 3 bytes prefix, 0xC5 means 2 bytes prefix */ 2936 uint_t vex_prefix = 0; 2937 2938 /* 2939 * VEX prefix byte 1, includes vex.r, vex.x and vex.b 2940 * (for 3 bytes prefix) 2941 */ 2942 uint_t vex_byte1 = 0; 2943 2944 /* 2945 * For 32-bit mode, it should prefetch the next byte to 2946 * distinguish between AVX and les/lds 2947 */ 2948 uint_t vex_prefetch = 0; 2949 2950 uint_t vex_m = 0; 2951 uint_t vex_v = 0; 2952 uint_t vex_p = 0; 2953 uint_t vex_R = 1; 2954 uint_t vex_X = 1; 2955 uint_t vex_B = 1; 2956 uint_t vex_W = 0; 2957 uint_t vex_L; 2958 dis_gather_regs_t *vreg; 2959 2960 #ifdef DIS_TEXT 2961 /* Instruction name for BLS* family of instructions */ 2962 char *blsinstr; 2963 #endif 2964 2965 size_t off; 2966 2967 instable_t dp_mmx; 2968 2969 x->d86_len = 0; 2970 x->d86_rmindex = -1; 2971 x->d86_error = 0; 2972 #ifdef DIS_TEXT 2973 x->d86_numopnds = 0; 2974 x->d86_seg_prefix = NULL; 2975 x->d86_mnem[0] = 0; 2976 for (i = 0; i < 4; ++i) { 2977 x->d86_opnd[i].d86_opnd[0] = 0; 2978 x->d86_opnd[i].d86_prefix[0] = 0; 2979 x->d86_opnd[i].d86_value_size = 0; 2980 x->d86_opnd[i].d86_value = 0; 2981 x->d86_opnd[i].d86_mode = MODE_NONE; 2982 } 2983 #endif 2984 x->d86_rex_prefix = 0; 2985 x->d86_got_modrm = 0; 2986 x->d86_memsize = 0; 2987 x->d86_vsib = 0; 2988 2989 if (cpu_mode == SIZE16) { 2990 opnd_size = SIZE16; 2991 addr_size = SIZE16; 2992 } else if (cpu_mode == SIZE32) { 2993 opnd_size = SIZE32; 2994 addr_size = SIZE32; 2995 } else { 2996 opnd_size = SIZE32; 2997 addr_size = SIZE64; 2998 } 2999 3000 /* 3001 * Get one opcode byte and check for zero padding that follows 3002 * jump tables. 3003 */ 3004 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 3005 goto error; 3006 3007 if (opcode1 == 0 && opcode2 == 0 && 3008 x->d86_check_func != NULL && x->d86_check_func(x->d86_data)) { 3009 #ifdef DIS_TEXT 3010 (void) strncpy(x->d86_mnem, ".byte\t0", OPLEN); 3011 #endif 3012 goto done; 3013 } 3014 3015 /* 3016 * Gather up legacy x86 prefix bytes. 3017 */ 3018 for (;;) { 3019 uint_t *which_prefix = NULL; 3020 3021 dp = (instable_t *)&dis_distable[opcode1][opcode2]; 3022 3023 switch (dp->it_adrmode) { 3024 case PREFIX: 3025 which_prefix = &rep_prefix; 3026 break; 3027 case LOCK: 3028 which_prefix = &lock_prefix; 3029 break; 3030 case OVERRIDE: 3031 which_prefix = &segment_prefix; 3032 #ifdef DIS_TEXT 3033 x->d86_seg_prefix = (char *)dp->it_name; 3034 #endif 3035 if (dp->it_invalid64 && cpu_mode == SIZE64) 3036 goto error; 3037 break; 3038 case AM: 3039 which_prefix = &addr_size_prefix; 3040 break; 3041 case DM: 3042 which_prefix = &opnd_size_prefix; 3043 break; 3044 } 3045 if (which_prefix == NULL) 3046 break; 3047 *which_prefix = (opcode1 << 4) | opcode2; 3048 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 3049 goto error; 3050 } 3051 3052 /* 3053 * Handle amd64 mode PREFIX values. 3054 * Some of the segment prefixes are no-ops. (only FS/GS actually work) 3055 * We might have a REX prefix (opcodes 0x40-0x4f) 3056 */ 3057 if (cpu_mode == SIZE64) { 3058 if (segment_prefix != 0x64 && segment_prefix != 0x65) 3059 segment_prefix = 0; 3060 3061 if (opcode1 == 0x4) { 3062 rex_prefix = (opcode1 << 4) | opcode2; 3063 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 3064 goto error; 3065 dp = (instable_t *)&dis_distable[opcode1][opcode2]; 3066 } else if (opcode1 == 0xC && 3067 (opcode2 == 0x4 || opcode2 == 0x5)) { 3068 /* AVX instructions */ 3069 vex_prefix = (opcode1 << 4) | opcode2; 3070 x->d86_rex_prefix = 0x40; 3071 } 3072 } else if (opcode1 == 0xC && (opcode2 == 0x4 || opcode2 == 0x5)) { 3073 /* LDS, LES or AVX */ 3074 dtrace_get_modrm(x, &mode, ®, &r_m); 3075 vex_prefetch = 1; 3076 3077 if (mode == REG_ONLY) { 3078 /* AVX */ 3079 vex_prefix = (opcode1 << 4) | opcode2; 3080 x->d86_rex_prefix = 0x40; 3081 opcode3 = (((mode << 3) | reg)>>1) & 0x0F; 3082 opcode4 = ((reg << 3) | r_m) & 0x0F; 3083 } 3084 } 3085 3086 if (vex_prefix == VEX_2bytes) { 3087 if (!vex_prefetch) { 3088 if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0) 3089 goto error; 3090 } 3091 vex_R = ((opcode3 & VEX_R) & 0x0F) >> 3; 3092 vex_L = ((opcode4 & VEX_L) & 0x0F) >> 2; 3093 vex_v = (((opcode3 << 4) | opcode4) & VEX_v) >> 3; 3094 vex_p = opcode4 & VEX_p; 3095 /* 3096 * The vex.x and vex.b bits are not defined in two bytes 3097 * mode vex prefix, their default values are 1 3098 */ 3099 vex_byte1 = (opcode3 & VEX_R) | VEX_X | VEX_B; 3100 3101 if (vex_R == 0) 3102 x->d86_rex_prefix |= REX_R; 3103 3104 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 3105 goto error; 3106 3107 switch (vex_p) { 3108 case VEX_p_66: 3109 dp = (instable_t *) 3110 &dis_opAVX660F[(opcode1 << 4) | opcode2]; 3111 break; 3112 case VEX_p_F3: 3113 dp = (instable_t *) 3114 &dis_opAVXF30F[(opcode1 << 4) | opcode2]; 3115 break; 3116 case VEX_p_F2: 3117 dp = (instable_t *) 3118 &dis_opAVXF20F [(opcode1 << 4) | opcode2]; 3119 break; 3120 default: 3121 dp = (instable_t *) 3122 &dis_opAVX0F[opcode1][opcode2]; 3123 3124 } 3125 3126 } else if (vex_prefix == VEX_3bytes) { 3127 if (!vex_prefetch) { 3128 if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0) 3129 goto error; 3130 } 3131 vex_R = (opcode3 & VEX_R) >> 3; 3132 vex_X = (opcode3 & VEX_X) >> 2; 3133 vex_B = (opcode3 & VEX_B) >> 1; 3134 vex_m = (((opcode3 << 4) | opcode4) & VEX_m); 3135 vex_byte1 = opcode3 & (VEX_R | VEX_X | VEX_B); 3136 3137 if (vex_R == 0) 3138 x->d86_rex_prefix |= REX_R; 3139 if (vex_X == 0) 3140 x->d86_rex_prefix |= REX_X; 3141 if (vex_B == 0) 3142 x->d86_rex_prefix |= REX_B; 3143 3144 if (dtrace_get_opcode(x, &opcode5, &opcode6) != 0) 3145 goto error; 3146 vex_W = (opcode5 & VEX_W) >> 3; 3147 vex_L = (opcode6 & VEX_L) >> 2; 3148 vex_v = (((opcode5 << 4) | opcode6) & VEX_v) >> 3; 3149 vex_p = opcode6 & VEX_p; 3150 3151 if (vex_W) 3152 x->d86_rex_prefix |= REX_W; 3153 3154 /* Only these three vex_m values valid; others are reserved */ 3155 if ((vex_m != VEX_m_0F) && (vex_m != VEX_m_0F38) && 3156 (vex_m != VEX_m_0F3A)) 3157 goto error; 3158 3159 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0) 3160 goto error; 3161 3162 switch (vex_p) { 3163 case VEX_p_66: 3164 if (vex_m == VEX_m_0F) { 3165 dp = (instable_t *) 3166 &dis_opAVX660F 3167 [(opcode1 << 4) | opcode2]; 3168 } else if (vex_m == VEX_m_0F38) { 3169 dp = (instable_t *) 3170 &dis_opAVX660F38 3171 [(opcode1 << 4) | opcode2]; 3172 } else if (vex_m == VEX_m_0F3A) { 3173 dp = (instable_t *) 3174 &dis_opAVX660F3A 3175 [(opcode1 << 4) | opcode2]; 3176 } else { 3177 goto error; 3178 } 3179 break; 3180 case VEX_p_F3: 3181 if (vex_m == VEX_m_0F) { 3182 dp = (instable_t *) 3183 &dis_opAVXF30F 3184 [(opcode1 << 4) | opcode2]; 3185 } else if (vex_m == VEX_m_0F38) { 3186 dp = (instable_t *) 3187 &dis_opAVXF30F38 3188 [(opcode1 << 4) | opcode2]; 3189 } else { 3190 goto error; 3191 } 3192 break; 3193 case VEX_p_F2: 3194 if (vex_m == VEX_m_0F) { 3195 dp = (instable_t *) 3196 &dis_opAVXF20F 3197 [(opcode1 << 4) | opcode2]; 3198 } else if (vex_m == VEX_m_0F3A) { 3199 dp = (instable_t *) 3200 &dis_opAVXF20F3A 3201 [(opcode1 << 4) | opcode2]; 3202 } else if (vex_m == VEX_m_0F38) { 3203 dp = (instable_t *) 3204 &dis_opAVXF20F38 3205 [(opcode1 << 4) | opcode2]; 3206 } else { 3207 goto error; 3208 } 3209 break; 3210 default: 3211 dp = (instable_t *) 3212 &dis_opAVX0F[opcode1][opcode2]; 3213 3214 } 3215 } 3216 if (vex_prefix) { 3217 if (dp->it_vexwoxmm) { 3218 wbit = LONG_OPND; 3219 } else { 3220 if (vex_L) 3221 wbit = YMM_OPND; 3222 else 3223 wbit = XMM_OPND; 3224 } 3225 } 3226 3227 /* 3228 * Deal with selection of operand and address size now. 3229 * Note that the REX.W bit being set causes opnd_size_prefix to be 3230 * ignored. 3231 */ 3232 if (cpu_mode == SIZE64) { 3233 if ((rex_prefix & REX_W) || vex_W) 3234 opnd_size = SIZE64; 3235 else if (opnd_size_prefix) 3236 opnd_size = SIZE16; 3237 3238 if (addr_size_prefix) 3239 addr_size = SIZE32; 3240 } else if (cpu_mode == SIZE32) { 3241 if (opnd_size_prefix) 3242 opnd_size = SIZE16; 3243 if (addr_size_prefix) 3244 addr_size = SIZE16; 3245 } else { 3246 if (opnd_size_prefix) 3247 opnd_size = SIZE32; 3248 if (addr_size_prefix) 3249 addr_size = SIZE32; 3250 } 3251 /* 3252 * The pause instruction - a repz'd nop. This doesn't fit 3253 * with any of the other prefix goop added for SSE, so we'll 3254 * special-case it here. 3255 */ 3256 if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) { 3257 rep_prefix = 0; 3258 dp = (instable_t *)&dis_opPause; 3259 } 3260 3261 /* 3262 * Some 386 instructions have 2 bytes of opcode before the mod_r/m 3263 * byte so we may need to perform a table indirection. 3264 */ 3265 if (dp->it_indirect == (instable_t *)dis_op0F) { 3266 if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0) 3267 goto error; 3268 opcode_bytes = 2; 3269 if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) { 3270 uint_t subcode; 3271 3272 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 3273 goto error; 3274 opcode_bytes = 3; 3275 subcode = ((opcode6 & 0x3) << 1) | 3276 ((opcode7 & 0x8) >> 3); 3277 dp = (instable_t *)&dis_op0F7123[opcode5][subcode]; 3278 } else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) { 3279 dp = (instable_t *)&dis_op0FC8[0]; 3280 } else if ((opcode4 == 0x3) && (opcode5 == 0xA)) { 3281 opcode_bytes = 3; 3282 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 3283 goto error; 3284 if (opnd_size == SIZE16) 3285 opnd_size = SIZE32; 3286 3287 dp = (instable_t *)&dis_op0F3A[(opcode6<<4)|opcode7]; 3288 #ifdef DIS_TEXT 3289 if (strcmp(dp->it_name, "INVALID") == 0) 3290 goto error; 3291 #endif 3292 switch (dp->it_adrmode) { 3293 case XMMP: 3294 break; 3295 case XMMP_66r: 3296 case XMMPRM_66r: 3297 case XMM3PM_66r: 3298 if (opnd_size_prefix == 0) { 3299 goto error; 3300 } 3301 break; 3302 case XMMP_66o: 3303 if (opnd_size_prefix == 0) { 3304 /* SSSE3 MMX instructions */ 3305 dp_mmx = *dp; 3306 dp = &dp_mmx; 3307 dp->it_adrmode = MMOPM_66o; 3308 #ifdef DIS_MEM 3309 dp->it_size = 8; 3310 #endif 3311 } 3312 break; 3313 default: 3314 goto error; 3315 } 3316 } else if ((opcode4 == 0x3) && (opcode5 == 0x8)) { 3317 opcode_bytes = 3; 3318 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0) 3319 goto error; 3320 dp = (instable_t *)&dis_op0F38[(opcode6<<4)|opcode7]; 3321 3322 /* 3323 * Both crc32 and movbe have the same 3rd opcode 3324 * byte of either 0xF0 or 0xF1, so we use another 3325 * indirection to distinguish between the two. 3326 */ 3327 if (dp->it_indirect == (instable_t *)dis_op0F38F0 || 3328 dp->it_indirect == (instable_t *)dis_op0F38F1) { 3329 3330 dp = dp->it_indirect; 3331 if (rep_prefix != 0xF2) { 3332 /* It is movbe */ 3333 dp++; 3334 } 3335 } 3336 3337 /* 3338 * The adx family of instructions (adcx and adox) 3339 * continue the classic Intel tradition of abusing 3340 * arbitrary prefixes without actually meaning the 3341 * prefix bit. Therefore, if we find either the 3342 * opnd_size_prefix or rep_prefix we end up zeroing it 3343 * out after making our determination so as to ensure 3344 * that we don't get confused and accidentally print 3345 * repz prefixes and the like on these instructions. 3346 * 3347 * In addition, these instructions are actually much 3348 * closer to AVX instructions in semantics. Importantly, 3349 * they always default to having 32-bit operands. 3350 * However, if the CPU is in 64-bit mode, then and only 3351 * then, does it use REX.w promotes things to 64-bits 3352 * and REX.r allows 64-bit mode to use register r8-r15. 3353 */ 3354 if (dp->it_indirect == (instable_t *)dis_op0F38F6) { 3355 dp = dp->it_indirect; 3356 if (opnd_size_prefix == 0 && 3357 rep_prefix == 0xf3) { 3358 /* It is adox */ 3359 dp++; 3360 } else if (opnd_size_prefix != 0x66 && 3361 rep_prefix != 0) { 3362 /* It isn't adcx */ 3363 goto error; 3364 } 3365 opnd_size_prefix = 0; 3366 rep_prefix = 0; 3367 opnd_size = SIZE32; 3368 if (rex_prefix & REX_W) 3369 opnd_size = SIZE64; 3370 } 3371 3372 #ifdef DIS_TEXT 3373 if (strcmp(dp->it_name, "INVALID") == 0) 3374 goto error; 3375 #endif 3376 switch (dp->it_adrmode) { 3377 case ADX: 3378 case XMM: 3379 break; 3380 case RM_66r: 3381 case XMM_66r: 3382 case XMMM_66r: 3383 if (opnd_size_prefix == 0) { 3384 goto error; 3385 } 3386 break; 3387 case XMM_66o: 3388 if (opnd_size_prefix == 0) { 3389 /* SSSE3 MMX instructions */ 3390 dp_mmx = *dp; 3391 dp = &dp_mmx; 3392 dp->it_adrmode = MM; 3393 #ifdef DIS_MEM 3394 dp->it_size = 8; 3395 #endif 3396 } 3397 break; 3398 case CRC32: 3399 if (rep_prefix != 0xF2) { 3400 goto error; 3401 } 3402 rep_prefix = 0; 3403 break; 3404 case MOVBE: 3405 if (rep_prefix != 0x0) { 3406 goto error; 3407 } 3408 break; 3409 default: 3410 goto error; 3411 } 3412 } else { 3413 dp = (instable_t *)&dis_op0F[opcode4][opcode5]; 3414 } 3415 } 3416 3417 /* 3418 * If still not at a TERM decode entry, then a ModRM byte 3419 * exists and its fields further decode the instruction. 3420 */ 3421 x->d86_got_modrm = 0; 3422 if (dp->it_indirect != TERM) { 3423 dtrace_get_modrm(x, &mode, &opcode3, &r_m); 3424 if (x->d86_error) 3425 goto error; 3426 reg = opcode3; 3427 3428 /* 3429 * decode 287 instructions (D8-DF) from opcodeN 3430 */ 3431 if (opcode1 == 0xD && opcode2 >= 0x8) { 3432 if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4) 3433 dp = (instable_t *)&dis_opFP5[r_m]; 3434 else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4) 3435 dp = (instable_t *)&dis_opFP7[opcode3]; 3436 else if (opcode2 == 0xB && mode == 0x3) 3437 dp = (instable_t *)&dis_opFP6[opcode3]; 3438 else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4) 3439 dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m]; 3440 else if (mode == 0x3) 3441 dp = (instable_t *) 3442 &dis_opFP3[opcode2 - 8][opcode3]; 3443 else 3444 dp = (instable_t *) 3445 &dis_opFP1n2[opcode2 - 8][opcode3]; 3446 } else { 3447 dp = (instable_t *)dp->it_indirect + opcode3; 3448 } 3449 } 3450 3451 /* 3452 * In amd64 bit mode, ARPL opcode is changed to MOVSXD 3453 * (sign extend 32bit to 64 bit) 3454 */ 3455 if ((vex_prefix == 0) && cpu_mode == SIZE64 && 3456 opcode1 == 0x6 && opcode2 == 0x3) 3457 dp = (instable_t *)&dis_opMOVSLD; 3458 3459 /* 3460 * at this point we should have a correct (or invalid) opcode 3461 */ 3462 if (cpu_mode == SIZE64 && dp->it_invalid64 || 3463 cpu_mode != SIZE64 && dp->it_invalid32) 3464 goto error; 3465 if (dp->it_indirect != TERM) 3466 goto error; 3467 3468 /* 3469 * Deal with MMX/SSE opcodes which are changed by prefixes. Note, we do 3470 * need to include UNKNOWN below, as we may have instructions that 3471 * actually have a prefix, but don't exist in any other form. 3472 */ 3473 switch (dp->it_adrmode) { 3474 case UNKNOWN: 3475 case MMO: 3476 case MMOIMPL: 3477 case MMO3P: 3478 case MMOM3: 3479 case MMOMS: 3480 case MMOPM: 3481 case MMOPRM: 3482 case MMOS: 3483 case XMMO: 3484 case XMMOM: 3485 case XMMOMS: 3486 case XMMOPM: 3487 case XMMOS: 3488 case XMMOMX: 3489 case XMMOX3: 3490 case XMMOXMM: 3491 /* 3492 * This is horrible. Some SIMD instructions take the 3493 * form 0x0F 0x?? ..., which is easily decoded using the 3494 * existing tables. Other SIMD instructions use various 3495 * prefix bytes to overload existing instructions. For 3496 * Example, addps is F0, 58, whereas addss is F3 (repz), 3497 * F0, 58. Presumably someone got a raise for this. 3498 * 3499 * If we see one of the instructions which can be 3500 * modified in this way (if we've got one of the SIMDO* 3501 * address modes), we'll check to see if the last prefix 3502 * was a repz. If it was, we strip the prefix from the 3503 * mnemonic, and we indirect using the dis_opSIMDrepz 3504 * table. 3505 */ 3506 3507 /* 3508 * Calculate our offset in dis_op0F 3509 */ 3510 if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F)) 3511 goto error; 3512 3513 off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 3514 sizeof (instable_t); 3515 3516 /* 3517 * Rewrite if this instruction used one of the magic prefixes. 3518 */ 3519 if (rep_prefix) { 3520 if (rep_prefix == 0xf2) 3521 dp = (instable_t *)&dis_opSIMDrepnz[off]; 3522 else 3523 dp = (instable_t *)&dis_opSIMDrepz[off]; 3524 rep_prefix = 0; 3525 } else if (opnd_size_prefix) { 3526 dp = (instable_t *)&dis_opSIMDdata16[off]; 3527 opnd_size_prefix = 0; 3528 if (opnd_size == SIZE16) 3529 opnd_size = SIZE32; 3530 } 3531 break; 3532 3533 case MG9: 3534 /* 3535 * More horribleness: the group 9 (0xF0 0xC7) instructions are 3536 * allowed an optional prefix of 0x66 or 0xF3. This is similar 3537 * to the SIMD business described above, but with a different 3538 * addressing mode (and an indirect table), so we deal with it 3539 * separately (if similarly). 3540 * 3541 * Intel further complicated this with the release of Ivy Bridge 3542 * where they overloaded these instructions based on the ModR/M 3543 * bytes. The VMX instructions have a mode of 0 since they are 3544 * memory instructions but rdrand instructions have a mode of 3545 * 0b11 (REG_ONLY) because they only operate on registers. While 3546 * there are different prefix formats, for now it is sufficient 3547 * to use a single different table. 3548 */ 3549 3550 /* 3551 * Calculate our offset in dis_op0FC7 (the group 9 table) 3552 */ 3553 if ((uintptr_t)dp - (uintptr_t)dis_op0FC7 > sizeof (dis_op0FC7)) 3554 goto error; 3555 3556 off = ((uintptr_t)dp - (uintptr_t)dis_op0FC7) / 3557 sizeof (instable_t); 3558 3559 /* 3560 * If we have a mode of 0b11 then we have to rewrite this. 3561 */ 3562 dtrace_get_modrm(x, &mode, ®, &r_m); 3563 if (mode == REG_ONLY) { 3564 dp = (instable_t *)&dis_op0FC7m3[off]; 3565 break; 3566 } 3567 3568 /* 3569 * Rewrite if this instruction used one of the magic prefixes. 3570 */ 3571 if (rep_prefix) { 3572 if (rep_prefix == 0xf3) 3573 dp = (instable_t *)&dis_opF30FC7[off]; 3574 else 3575 goto error; 3576 rep_prefix = 0; 3577 } else if (opnd_size_prefix) { 3578 dp = (instable_t *)&dis_op660FC7[off]; 3579 opnd_size_prefix = 0; 3580 if (opnd_size == SIZE16) 3581 opnd_size = SIZE32; 3582 } 3583 break; 3584 3585 3586 case MMOSH: 3587 /* 3588 * As with the "normal" SIMD instructions, the MMX 3589 * shuffle instructions are overloaded. These 3590 * instructions, however, are special in that they use 3591 * an extra byte, and thus an extra table. As of this 3592 * writing, they only use the opnd_size prefix. 3593 */ 3594 3595 /* 3596 * Calculate our offset in dis_op0F7123 3597 */ 3598 if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 > 3599 sizeof (dis_op0F7123)) 3600 goto error; 3601 3602 if (opnd_size_prefix) { 3603 off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) / 3604 sizeof (instable_t); 3605 dp = (instable_t *)&dis_opSIMD7123[off]; 3606 opnd_size_prefix = 0; 3607 if (opnd_size == SIZE16) 3608 opnd_size = SIZE32; 3609 } 3610 break; 3611 case MRw: 3612 if (rep_prefix) { 3613 if (rep_prefix == 0xf3) { 3614 3615 /* 3616 * Calculate our offset in dis_op0F 3617 */ 3618 if ((uintptr_t)dp - (uintptr_t)dis_op0F 3619 > sizeof (dis_op0F)) 3620 goto error; 3621 3622 off = ((uintptr_t)dp - (uintptr_t)dis_op0F) / 3623 sizeof (instable_t); 3624 3625 dp = (instable_t *)&dis_opSIMDrepz[off]; 3626 rep_prefix = 0; 3627 } else { 3628 goto error; 3629 } 3630 } 3631 break; 3632 } 3633 3634 /* 3635 * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64. 3636 */ 3637 if (cpu_mode == SIZE64) 3638 if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop)) 3639 opnd_size = SIZE64; 3640 3641 #ifdef DIS_TEXT 3642 /* 3643 * At this point most instructions can format the opcode mnemonic 3644 * including the prefixes. 3645 */ 3646 if (lock_prefix) 3647 (void) strlcat(x->d86_mnem, "lock ", OPLEN); 3648 3649 if (rep_prefix == 0xf2) 3650 (void) strlcat(x->d86_mnem, "repnz ", OPLEN); 3651 else if (rep_prefix == 0xf3) 3652 (void) strlcat(x->d86_mnem, "repz ", OPLEN); 3653 3654 if (cpu_mode == SIZE64 && addr_size_prefix) 3655 (void) strlcat(x->d86_mnem, "addr32 ", OPLEN); 3656 3657 if (dp->it_adrmode != CBW && 3658 dp->it_adrmode != CWD && 3659 dp->it_adrmode != XMMSFNC) { 3660 if (strcmp(dp->it_name, "INVALID") == 0) 3661 goto error; 3662 (void) strlcat(x->d86_mnem, dp->it_name, OPLEN); 3663 if (dp->it_avxsuf && dp->it_suffix) { 3664 (void) strlcat(x->d86_mnem, vex_W != 0 ? "q" : "d", 3665 OPLEN); 3666 } else if (dp->it_suffix) { 3667 char *types[] = {"", "w", "l", "q"}; 3668 if (opcode_bytes == 2 && opcode4 == 4) { 3669 /* It's a cmovx.yy. Replace the suffix x */ 3670 for (i = 5; i < OPLEN; i++) { 3671 if (x->d86_mnem[i] == '.') 3672 break; 3673 } 3674 x->d86_mnem[i - 1] = *types[opnd_size]; 3675 } else if ((opnd_size == 2) && (opcode_bytes == 3) && 3676 ((opcode6 == 1 && opcode7 == 6) || 3677 (opcode6 == 2 && opcode7 == 2))) { 3678 /* 3679 * To handle PINSRD and PEXTRD 3680 */ 3681 (void) strlcat(x->d86_mnem, "d", OPLEN); 3682 } else { 3683 (void) strlcat(x->d86_mnem, types[opnd_size], 3684 OPLEN); 3685 } 3686 } 3687 } 3688 #endif 3689 3690 /* 3691 * Process operands based on the addressing modes. 3692 */ 3693 x->d86_mode = cpu_mode; 3694 /* 3695 * In vex mode the rex_prefix has no meaning 3696 */ 3697 if (!vex_prefix) 3698 x->d86_rex_prefix = rex_prefix; 3699 x->d86_opnd_size = opnd_size; 3700 x->d86_addr_size = addr_size; 3701 vbit = 0; /* initialize for mem/reg -> reg */ 3702 switch (dp->it_adrmode) { 3703 /* 3704 * amd64 instruction to sign extend 32 bit reg/mem operands 3705 * into 64 bit register values 3706 */ 3707 case MOVSXZ: 3708 #ifdef DIS_TEXT 3709 if (rex_prefix == 0) 3710 (void) strncpy(x->d86_mnem, "movzld", OPLEN); 3711 #endif 3712 dtrace_get_modrm(x, &mode, ®, &r_m); 3713 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 3714 x->d86_opnd_size = SIZE64; 3715 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 3716 x->d86_opnd_size = opnd_size = SIZE32; 3717 wbit = LONG_OPND; 3718 dtrace_get_operand(x, mode, r_m, wbit, 0); 3719 break; 3720 3721 /* 3722 * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF) 3723 * movzbl movzbw movzbq (0x0FB6) or movzwl movzwq (0x0FB7) 3724 * wbit lives in 2nd byte, note that operands 3725 * are different sized 3726 */ 3727 case MOVZ: 3728 if (rex_prefix & REX_W) { 3729 /* target register size = 64 bit */ 3730 x->d86_mnem[5] = 'q'; 3731 } 3732 dtrace_get_modrm(x, &mode, ®, &r_m); 3733 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 3734 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 3735 x->d86_opnd_size = opnd_size = SIZE16; 3736 wbit = WBIT(opcode5); 3737 dtrace_get_operand(x, mode, r_m, wbit, 0); 3738 break; 3739 case CRC32: 3740 opnd_size = SIZE32; 3741 if (rex_prefix & REX_W) 3742 opnd_size = SIZE64; 3743 x->d86_opnd_size = opnd_size; 3744 3745 dtrace_get_modrm(x, &mode, ®, &r_m); 3746 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 3747 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 3748 wbit = WBIT(opcode7); 3749 if (opnd_size_prefix) 3750 x->d86_opnd_size = opnd_size = SIZE16; 3751 dtrace_get_operand(x, mode, r_m, wbit, 0); 3752 break; 3753 case MOVBE: 3754 opnd_size = SIZE32; 3755 if (rex_prefix & REX_W) 3756 opnd_size = SIZE64; 3757 x->d86_opnd_size = opnd_size; 3758 3759 dtrace_get_modrm(x, &mode, ®, &r_m); 3760 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 3761 wbit = WBIT(opcode7); 3762 if (opnd_size_prefix) 3763 x->d86_opnd_size = opnd_size = SIZE16; 3764 if (wbit) { 3765 /* reg -> mem */ 3766 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 3767 dtrace_get_operand(x, mode, r_m, wbit, 1); 3768 } else { 3769 /* mem -> reg */ 3770 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 3771 dtrace_get_operand(x, mode, r_m, wbit, 0); 3772 } 3773 break; 3774 3775 /* 3776 * imul instruction, with either 8-bit or longer immediate 3777 * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s) 3778 */ 3779 case IMUL: 3780 wbit = LONG_OPND; 3781 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 3782 OPSIZE(opnd_size, opcode2 == 0x9), 1); 3783 break; 3784 3785 /* memory or register operand to register, with 'w' bit */ 3786 case MRw: 3787 case ADX: 3788 wbit = WBIT(opcode2); 3789 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 3790 break; 3791 3792 /* register to memory or register operand, with 'w' bit */ 3793 /* arpl happens to fit here also because it is odd */ 3794 case RMw: 3795 if (opcode_bytes == 2) 3796 wbit = WBIT(opcode5); 3797 else 3798 wbit = WBIT(opcode2); 3799 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 3800 break; 3801 3802 /* xaddb instruction */ 3803 case XADDB: 3804 wbit = 0; 3805 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 3806 break; 3807 3808 /* MMX register to memory or register operand */ 3809 case MMS: 3810 case MMOS: 3811 #ifdef DIS_TEXT 3812 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 3813 #else 3814 wbit = LONG_OPND; 3815 #endif 3816 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 3817 break; 3818 3819 /* MMX register to memory */ 3820 case MMOMS: 3821 dtrace_get_modrm(x, &mode, ®, &r_m); 3822 if (mode == REG_ONLY) 3823 goto error; 3824 wbit = MM_OPND; 3825 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1); 3826 break; 3827 3828 /* Double shift. Has immediate operand specifying the shift. */ 3829 case DSHIFT: 3830 wbit = LONG_OPND; 3831 dtrace_get_modrm(x, &mode, ®, &r_m); 3832 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 3833 dtrace_get_operand(x, mode, r_m, wbit, 2); 3834 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 3835 dtrace_imm_opnd(x, wbit, 1, 0); 3836 break; 3837 3838 /* 3839 * Double shift. With no immediate operand, specifies using %cl. 3840 */ 3841 case DSHIFTcl: 3842 wbit = LONG_OPND; 3843 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 3844 break; 3845 3846 /* immediate to memory or register operand */ 3847 case IMlw: 3848 wbit = WBIT(opcode2); 3849 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3850 dtrace_get_operand(x, mode, r_m, wbit, 1); 3851 /* 3852 * Have long immediate for opcode 0x81, but not 0x80 nor 0x83 3853 */ 3854 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0); 3855 break; 3856 3857 /* immediate to memory or register operand with the */ 3858 /* 'w' bit present */ 3859 case IMw: 3860 wbit = WBIT(opcode2); 3861 dtrace_get_modrm(x, &mode, ®, &r_m); 3862 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3863 dtrace_get_operand(x, mode, r_m, wbit, 1); 3864 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 3865 break; 3866 3867 /* immediate to register with register in low 3 bits */ 3868 /* of op code */ 3869 case IR: 3870 /* w-bit here (with regs) is bit 3 */ 3871 wbit = opcode2 >>3 & 0x1; 3872 reg = REGNO(opcode2); 3873 dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 3874 mode = REG_ONLY; 3875 r_m = reg; 3876 dtrace_get_operand(x, mode, r_m, wbit, 1); 3877 dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0); 3878 break; 3879 3880 /* MMX immediate shift of register */ 3881 case MMSH: 3882 case MMOSH: 3883 wbit = MM_OPND; 3884 goto mm_shift; /* in next case */ 3885 3886 /* SIMD immediate shift of register */ 3887 case XMMSH: 3888 wbit = XMM_OPND; 3889 mm_shift: 3890 reg = REGNO(opcode7); 3891 dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 3892 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 3893 dtrace_imm_opnd(x, wbit, 1, 0); 3894 NOMEM; 3895 break; 3896 3897 /* accumulator to memory operand */ 3898 case AO: 3899 vbit = 1; 3900 /*FALLTHROUGH*/ 3901 3902 /* memory operand to accumulator */ 3903 case OA: 3904 wbit = WBIT(opcode2); 3905 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit); 3906 dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit); 3907 #ifdef DIS_TEXT 3908 x->d86_opnd[vbit].d86_mode = MODE_OFFSET; 3909 #endif 3910 break; 3911 3912 3913 /* segment register to memory or register operand */ 3914 case SM: 3915 vbit = 1; 3916 /*FALLTHROUGH*/ 3917 3918 /* memory or register operand to segment register */ 3919 case MS: 3920 dtrace_get_modrm(x, &mode, ®, &r_m); 3921 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3922 dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit); 3923 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit); 3924 break; 3925 3926 /* 3927 * rotate or shift instructions, which may shift by 1 or 3928 * consult the cl register, depending on the 'v' bit 3929 */ 3930 case Mv: 3931 vbit = VBIT(opcode2); 3932 wbit = WBIT(opcode2); 3933 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3934 dtrace_get_operand(x, mode, r_m, wbit, 1); 3935 #ifdef DIS_TEXT 3936 if (vbit) { 3937 (void) strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN); 3938 } else { 3939 x->d86_opnd[0].d86_mode = MODE_SIGNED; 3940 x->d86_opnd[0].d86_value_size = 1; 3941 x->d86_opnd[0].d86_value = 1; 3942 } 3943 #endif 3944 break; 3945 /* 3946 * immediate rotate or shift instructions 3947 */ 3948 case MvI: 3949 wbit = WBIT(opcode2); 3950 normal_imm_mem: 3951 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3952 dtrace_get_operand(x, mode, r_m, wbit, 1); 3953 dtrace_imm_opnd(x, wbit, 1, 0); 3954 break; 3955 3956 /* bit test instructions */ 3957 case MIb: 3958 wbit = LONG_OPND; 3959 goto normal_imm_mem; 3960 3961 /* single memory or register operand with 'w' bit present */ 3962 case Mw: 3963 wbit = WBIT(opcode2); 3964 just_mem: 3965 dtrace_get_modrm(x, &mode, ®, &r_m); 3966 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 3967 dtrace_get_operand(x, mode, r_m, wbit, 0); 3968 break; 3969 3970 case SWAPGS_RDTSCP: 3971 if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) { 3972 #ifdef DIS_TEXT 3973 (void) strncpy(x->d86_mnem, "swapgs", OPLEN); 3974 #endif 3975 NOMEM; 3976 break; 3977 } else if (mode == 3 && r_m == 1) { 3978 #ifdef DIS_TEXT 3979 (void) strncpy(x->d86_mnem, "rdtscp", OPLEN); 3980 #endif 3981 NOMEM; 3982 break; 3983 } 3984 3985 /*FALLTHROUGH*/ 3986 3987 /* prefetch instruction - memory operand, but no memory acess */ 3988 case PREF: 3989 NOMEM; 3990 /*FALLTHROUGH*/ 3991 3992 /* single memory or register operand */ 3993 case M: 3994 case MG9: 3995 wbit = LONG_OPND; 3996 goto just_mem; 3997 3998 /* single memory or register byte operand */ 3999 case Mb: 4000 wbit = BYTE_OPND; 4001 goto just_mem; 4002 4003 case VMx: 4004 if (mode == 3) { 4005 #ifdef DIS_TEXT 4006 char *vminstr; 4007 4008 switch (r_m) { 4009 case 1: 4010 vminstr = "vmcall"; 4011 break; 4012 case 2: 4013 vminstr = "vmlaunch"; 4014 break; 4015 case 3: 4016 vminstr = "vmresume"; 4017 break; 4018 case 4: 4019 vminstr = "vmxoff"; 4020 break; 4021 default: 4022 goto error; 4023 } 4024 4025 (void) strncpy(x->d86_mnem, vminstr, OPLEN); 4026 #else 4027 if (r_m < 1 || r_m > 4) 4028 goto error; 4029 #endif 4030 4031 NOMEM; 4032 break; 4033 } 4034 /*FALLTHROUGH*/ 4035 case SVM: 4036 if (mode == 3) { 4037 #ifdef DIS_TEXT 4038 char *vinstr; 4039 4040 switch (r_m) { 4041 case 0: 4042 vinstr = "vmrun"; 4043 break; 4044 case 1: 4045 vinstr = "vmmcall"; 4046 break; 4047 case 2: 4048 vinstr = "vmload"; 4049 break; 4050 case 3: 4051 vinstr = "vmsave"; 4052 break; 4053 case 4: 4054 vinstr = "stgi"; 4055 break; 4056 case 5: 4057 vinstr = "clgi"; 4058 break; 4059 case 6: 4060 vinstr = "skinit"; 4061 break; 4062 case 7: 4063 vinstr = "invlpga"; 4064 break; 4065 } 4066 4067 (void) strncpy(x->d86_mnem, vinstr, OPLEN); 4068 #endif 4069 NOMEM; 4070 break; 4071 } 4072 /*FALLTHROUGH*/ 4073 case MONITOR_MWAIT: 4074 if (mode == 3) { 4075 if (r_m == 0) { 4076 #ifdef DIS_TEXT 4077 (void) strncpy(x->d86_mnem, "monitor", OPLEN); 4078 #endif 4079 NOMEM; 4080 break; 4081 } else if (r_m == 1) { 4082 #ifdef DIS_TEXT 4083 (void) strncpy(x->d86_mnem, "mwait", OPLEN); 4084 #endif 4085 NOMEM; 4086 break; 4087 } else if (r_m == 2) { 4088 #ifdef DIS_TEXT 4089 (void) strncpy(x->d86_mnem, "clac", OPLEN); 4090 #endif 4091 NOMEM; 4092 break; 4093 } else if (r_m == 3) { 4094 #ifdef DIS_TEXT 4095 (void) strncpy(x->d86_mnem, "stac", OPLEN); 4096 #endif 4097 NOMEM; 4098 break; 4099 } else { 4100 goto error; 4101 } 4102 } 4103 /*FALLTHROUGH*/ 4104 case XGETBV_XSETBV: 4105 if (mode == 3) { 4106 if (r_m == 0) { 4107 #ifdef DIS_TEXT 4108 (void) strncpy(x->d86_mnem, "xgetbv", OPLEN); 4109 #endif 4110 NOMEM; 4111 break; 4112 } else if (r_m == 1) { 4113 #ifdef DIS_TEXT 4114 (void) strncpy(x->d86_mnem, "xsetbv", OPLEN); 4115 #endif 4116 NOMEM; 4117 break; 4118 } else { 4119 goto error; 4120 } 4121 4122 } 4123 /*FALLTHROUGH*/ 4124 case MO: 4125 /* Similar to M, but only memory (no direct registers) */ 4126 wbit = LONG_OPND; 4127 dtrace_get_modrm(x, &mode, ®, &r_m); 4128 if (mode == 3) 4129 goto error; 4130 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 4131 dtrace_get_operand(x, mode, r_m, wbit, 0); 4132 break; 4133 4134 /* move special register to register or reverse if vbit */ 4135 case SREG: 4136 switch (opcode5) { 4137 4138 case 2: 4139 vbit = 1; 4140 /*FALLTHROUGH*/ 4141 case 0: 4142 wbit = CONTROL_OPND; 4143 break; 4144 4145 case 3: 4146 vbit = 1; 4147 /*FALLTHROUGH*/ 4148 case 1: 4149 wbit = DEBUG_OPND; 4150 break; 4151 4152 case 6: 4153 vbit = 1; 4154 /*FALLTHROUGH*/ 4155 case 4: 4156 wbit = TEST_OPND; 4157 break; 4158 4159 } 4160 dtrace_get_modrm(x, &mode, ®, &r_m); 4161 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4162 dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit); 4163 dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit); 4164 NOMEM; 4165 break; 4166 4167 /* 4168 * single register operand with register in the low 3 4169 * bits of op code 4170 */ 4171 case R: 4172 if (opcode_bytes == 2) 4173 reg = REGNO(opcode5); 4174 else 4175 reg = REGNO(opcode2); 4176 dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 4177 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 4178 NOMEM; 4179 break; 4180 4181 /* 4182 * register to accumulator with register in the low 3 4183 * bits of op code, xchg instructions 4184 */ 4185 case RA: 4186 NOMEM; 4187 reg = REGNO(opcode2); 4188 dtrace_rex_adjust(rex_prefix, mode, ®, NULL); 4189 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0); 4190 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1); 4191 break; 4192 4193 /* 4194 * single segment register operand, with register in 4195 * bits 3-4 of op code byte 4196 */ 4197 case SEG: 4198 NOMEM; 4199 reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3; 4200 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 4201 break; 4202 4203 /* 4204 * single segment register operand, with register in 4205 * bits 3-5 of op code 4206 */ 4207 case LSEG: 4208 NOMEM; 4209 /* long seg reg from opcode */ 4210 reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7; 4211 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0); 4212 break; 4213 4214 /* memory or register operand to register */ 4215 case MR: 4216 if (vex_prefetch) 4217 x->d86_got_modrm = 1; 4218 wbit = LONG_OPND; 4219 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 4220 break; 4221 4222 case RM: 4223 case RM_66r: 4224 wbit = LONG_OPND; 4225 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1); 4226 break; 4227 4228 /* MMX/SIMD-Int memory or mm reg to mm reg */ 4229 case MM: 4230 case MMO: 4231 #ifdef DIS_TEXT 4232 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 4233 #else 4234 wbit = LONG_OPND; 4235 #endif 4236 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 4237 break; 4238 4239 case MMOIMPL: 4240 #ifdef DIS_TEXT 4241 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND; 4242 #else 4243 wbit = LONG_OPND; 4244 #endif 4245 dtrace_get_modrm(x, &mode, ®, &r_m); 4246 if (mode != REG_ONLY) 4247 goto error; 4248 4249 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4250 dtrace_get_operand(x, mode, r_m, wbit, 0); 4251 dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1); 4252 mode = 0; /* change for memory access size... */ 4253 break; 4254 4255 /* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */ 4256 case MMO3P: 4257 wbit = MM_OPND; 4258 goto xmm3p; 4259 case XMM3P: 4260 wbit = XMM_OPND; 4261 xmm3p: 4262 dtrace_get_modrm(x, &mode, ®, &r_m); 4263 if (mode != REG_ONLY) 4264 goto error; 4265 4266 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1, 4267 1); 4268 NOMEM; 4269 break; 4270 4271 case XMM3PM_66r: 4272 THREEOPERAND(x, mode, reg, r_m, rex_prefix, LONG_OPND, XMM_OPND, 4273 1, 0); 4274 break; 4275 4276 /* MMX/SIMD-Int predicated r32/mem to mm reg */ 4277 case MMOPRM: 4278 wbit = LONG_OPND; 4279 w2 = MM_OPND; 4280 goto xmmprm; 4281 case XMMPRM: 4282 case XMMPRM_66r: 4283 wbit = LONG_OPND; 4284 w2 = XMM_OPND; 4285 xmmprm: 4286 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1, 1); 4287 break; 4288 4289 /* MMX/SIMD-Int predicated mm/mem to mm reg */ 4290 case MMOPM: 4291 case MMOPM_66o: 4292 wbit = w2 = MM_OPND; 4293 goto xmmprm; 4294 4295 /* MMX/SIMD-Int mm reg to r32 */ 4296 case MMOM3: 4297 NOMEM; 4298 dtrace_get_modrm(x, &mode, ®, &r_m); 4299 if (mode != REG_ONLY) 4300 goto error; 4301 wbit = MM_OPND; 4302 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 4303 break; 4304 4305 /* SIMD memory or xmm reg operand to xmm reg */ 4306 case XMM: 4307 case XMM_66o: 4308 case XMM_66r: 4309 case XMMO: 4310 case XMMXIMPL: 4311 wbit = XMM_OPND; 4312 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0); 4313 4314 if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY) 4315 goto error; 4316 4317 #ifdef DIS_TEXT 4318 /* 4319 * movlps and movhlps share opcodes. They differ in the 4320 * addressing modes allowed for their operands. 4321 * movhps and movlhps behave similarly. 4322 */ 4323 if (mode == REG_ONLY) { 4324 if (strcmp(dp->it_name, "movlps") == 0) 4325 (void) strncpy(x->d86_mnem, "movhlps", OPLEN); 4326 else if (strcmp(dp->it_name, "movhps") == 0) 4327 (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 4328 } 4329 #endif 4330 if (dp->it_adrmode == XMMXIMPL) 4331 mode = 0; /* change for memory access size... */ 4332 break; 4333 4334 /* SIMD xmm reg to memory or xmm reg */ 4335 case XMMS: 4336 case XMMOS: 4337 case XMMMS: 4338 case XMMOMS: 4339 dtrace_get_modrm(x, &mode, ®, &r_m); 4340 #ifdef DIS_TEXT 4341 if ((strcmp(dp->it_name, "movlps") == 0 || 4342 strcmp(dp->it_name, "movhps") == 0 || 4343 strcmp(dp->it_name, "movntps") == 0) && 4344 mode == REG_ONLY) 4345 goto error; 4346 #endif 4347 wbit = XMM_OPND; 4348 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 4349 break; 4350 4351 /* SIMD memory to xmm reg */ 4352 case XMMM: 4353 case XMMM_66r: 4354 case XMMOM: 4355 wbit = XMM_OPND; 4356 dtrace_get_modrm(x, &mode, ®, &r_m); 4357 #ifdef DIS_TEXT 4358 if (mode == REG_ONLY) { 4359 if (strcmp(dp->it_name, "movhps") == 0) 4360 (void) strncpy(x->d86_mnem, "movlhps", OPLEN); 4361 else 4362 goto error; 4363 } 4364 #endif 4365 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 4366 break; 4367 4368 /* SIMD memory or r32 to xmm reg */ 4369 case XMM3MX: 4370 wbit = LONG_OPND; 4371 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 4372 break; 4373 4374 case XMM3MXS: 4375 wbit = LONG_OPND; 4376 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1); 4377 break; 4378 4379 /* SIMD memory or mm reg to xmm reg */ 4380 case XMMOMX: 4381 /* SIMD mm to xmm */ 4382 case XMMMX: 4383 wbit = MM_OPND; 4384 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0); 4385 break; 4386 4387 /* SIMD memory or xmm reg to mm reg */ 4388 case XMMXMM: 4389 case XMMOXMM: 4390 case XMMXM: 4391 wbit = XMM_OPND; 4392 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0); 4393 break; 4394 4395 4396 /* SIMD memory or xmm reg to r32 */ 4397 case XMMXM3: 4398 wbit = XMM_OPND; 4399 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0); 4400 break; 4401 4402 /* SIMD xmm to r32 */ 4403 case XMMX3: 4404 case XMMOX3: 4405 dtrace_get_modrm(x, &mode, ®, &r_m); 4406 if (mode != REG_ONLY) 4407 goto error; 4408 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4409 dtrace_get_operand(x, mode, r_m, XMM_OPND, 0); 4410 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1); 4411 NOMEM; 4412 break; 4413 4414 /* SIMD predicated memory or xmm reg with/to xmm reg */ 4415 case XMMP: 4416 case XMMP_66r: 4417 case XMMP_66o: 4418 case XMMOPM: 4419 wbit = XMM_OPND; 4420 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1, 4421 1); 4422 4423 #ifdef DIS_TEXT 4424 /* 4425 * cmpps and cmpss vary their instruction name based 4426 * on the value of imm8. Other XMMP instructions, 4427 * such as shufps, require explicit specification of 4428 * the predicate. 4429 */ 4430 if (dp->it_name[0] == 'c' && 4431 dp->it_name[1] == 'm' && 4432 dp->it_name[2] == 'p' && 4433 strlen(dp->it_name) == 5) { 4434 uchar_t pred = x->d86_opnd[0].d86_value & 0xff; 4435 4436 if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *))) 4437 goto error; 4438 4439 (void) strncpy(x->d86_mnem, "cmp", OPLEN); 4440 (void) strlcat(x->d86_mnem, dis_PREDSUFFIX[pred], 4441 OPLEN); 4442 (void) strlcat(x->d86_mnem, 4443 dp->it_name + strlen(dp->it_name) - 2, 4444 OPLEN); 4445 x->d86_opnd[0] = x->d86_opnd[1]; 4446 x->d86_opnd[1] = x->d86_opnd[2]; 4447 x->d86_numopnds = 2; 4448 } 4449 #endif 4450 break; 4451 4452 case XMMX2I: 4453 FOUROPERAND(x, mode, reg, r_m, rex_prefix, XMM_OPND, XMM_OPND, 4454 1); 4455 NOMEM; 4456 break; 4457 4458 case XMM2I: 4459 ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, XMM_OPND, 1); 4460 NOMEM; 4461 break; 4462 4463 /* immediate operand to accumulator */ 4464 case IA: 4465 wbit = WBIT(opcode2); 4466 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 4467 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0); 4468 NOMEM; 4469 break; 4470 4471 /* memory or register operand to accumulator */ 4472 case MA: 4473 wbit = WBIT(opcode2); 4474 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 4475 dtrace_get_operand(x, mode, r_m, wbit, 0); 4476 break; 4477 4478 /* si register to di register used to reference memory */ 4479 case SD: 4480 #ifdef DIS_TEXT 4481 dtrace_check_override(x, 0); 4482 x->d86_numopnds = 2; 4483 if (addr_size == SIZE64) { 4484 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 4485 OPLEN); 4486 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 4487 OPLEN); 4488 } else if (addr_size == SIZE32) { 4489 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 4490 OPLEN); 4491 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 4492 OPLEN); 4493 } else { 4494 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 4495 OPLEN); 4496 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 4497 OPLEN); 4498 } 4499 #endif 4500 wbit = LONG_OPND; 4501 break; 4502 4503 /* accumulator to di register */ 4504 case AD: 4505 wbit = WBIT(opcode2); 4506 #ifdef DIS_TEXT 4507 dtrace_check_override(x, 1); 4508 x->d86_numopnds = 2; 4509 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0); 4510 if (addr_size == SIZE64) 4511 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)", 4512 OPLEN); 4513 else if (addr_size == SIZE32) 4514 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)", 4515 OPLEN); 4516 else 4517 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)", 4518 OPLEN); 4519 #endif 4520 break; 4521 4522 /* si register to accumulator */ 4523 case SA: 4524 wbit = WBIT(opcode2); 4525 #ifdef DIS_TEXT 4526 dtrace_check_override(x, 0); 4527 x->d86_numopnds = 2; 4528 if (addr_size == SIZE64) 4529 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)", 4530 OPLEN); 4531 else if (addr_size == SIZE32) 4532 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)", 4533 OPLEN); 4534 else 4535 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)", 4536 OPLEN); 4537 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1); 4538 #endif 4539 break; 4540 4541 /* 4542 * single operand, a 16/32 bit displacement 4543 */ 4544 case D: 4545 wbit = LONG_OPND; 4546 dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 4547 NOMEM; 4548 break; 4549 4550 /* jmp/call indirect to memory or register operand */ 4551 case INM: 4552 #ifdef DIS_TEXT 4553 (void) strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN); 4554 #endif 4555 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m); 4556 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 4557 wbit = LONG_OPND; 4558 break; 4559 4560 /* 4561 * for long jumps and long calls -- a new code segment 4562 * register and an offset in IP -- stored in object 4563 * code in reverse order. Note - not valid in amd64 4564 */ 4565 case SO: 4566 dtrace_check_override(x, 1); 4567 wbit = LONG_OPND; 4568 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1); 4569 #ifdef DIS_TEXT 4570 x->d86_opnd[1].d86_mode = MODE_SIGNED; 4571 #endif 4572 /* will now get segment operand */ 4573 dtrace_imm_opnd(x, wbit, 2, 0); 4574 break; 4575 4576 /* 4577 * jmp/call. single operand, 8 bit displacement. 4578 * added to current EIP in 'compofff' 4579 */ 4580 case BD: 4581 dtrace_disp_opnd(x, BYTE_OPND, 1, 0); 4582 NOMEM; 4583 break; 4584 4585 /* single 32/16 bit immediate operand */ 4586 case I: 4587 wbit = LONG_OPND; 4588 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0); 4589 break; 4590 4591 /* single 8 bit immediate operand */ 4592 case Ib: 4593 wbit = LONG_OPND; 4594 dtrace_imm_opnd(x, wbit, 1, 0); 4595 break; 4596 4597 case ENTER: 4598 wbit = LONG_OPND; 4599 dtrace_imm_opnd(x, wbit, 2, 0); 4600 dtrace_imm_opnd(x, wbit, 1, 1); 4601 switch (opnd_size) { 4602 case SIZE64: 4603 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8; 4604 break; 4605 case SIZE32: 4606 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4; 4607 break; 4608 case SIZE16: 4609 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2; 4610 break; 4611 } 4612 4613 break; 4614 4615 /* 16-bit immediate operand */ 4616 case RET: 4617 wbit = LONG_OPND; 4618 dtrace_imm_opnd(x, wbit, 2, 0); 4619 break; 4620 4621 /* single 8 bit port operand */ 4622 case P: 4623 dtrace_check_override(x, 0); 4624 dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 4625 NOMEM; 4626 break; 4627 4628 /* single operand, dx register (variable port instruction) */ 4629 case V: 4630 x->d86_numopnds = 1; 4631 dtrace_check_override(x, 0); 4632 #ifdef DIS_TEXT 4633 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN); 4634 #endif 4635 NOMEM; 4636 break; 4637 4638 /* 4639 * The int instruction, which has two forms: 4640 * int 3 (breakpoint) or 4641 * int n, where n is indicated in the subsequent 4642 * byte (format Ib). The int 3 instruction (opcode 0xCC), 4643 * where, although the 3 looks like an operand, 4644 * it is implied by the opcode. It must be converted 4645 * to the correct base and output. 4646 */ 4647 case INT3: 4648 #ifdef DIS_TEXT 4649 x->d86_numopnds = 1; 4650 x->d86_opnd[0].d86_mode = MODE_SIGNED; 4651 x->d86_opnd[0].d86_value_size = 1; 4652 x->d86_opnd[0].d86_value = 3; 4653 #endif 4654 NOMEM; 4655 break; 4656 4657 /* single 8 bit immediate operand */ 4658 case INTx: 4659 dtrace_imm_opnd(x, BYTE_OPND, 1, 0); 4660 NOMEM; 4661 break; 4662 4663 /* an unused byte must be discarded */ 4664 case U: 4665 if (x->d86_get_byte(x->d86_data) < 0) 4666 goto error; 4667 x->d86_len++; 4668 NOMEM; 4669 break; 4670 4671 case CBW: 4672 #ifdef DIS_TEXT 4673 if (opnd_size == SIZE16) 4674 (void) strlcat(x->d86_mnem, "cbtw", OPLEN); 4675 else if (opnd_size == SIZE32) 4676 (void) strlcat(x->d86_mnem, "cwtl", OPLEN); 4677 else 4678 (void) strlcat(x->d86_mnem, "cltq", OPLEN); 4679 #endif 4680 wbit = LONG_OPND; 4681 NOMEM; 4682 break; 4683 4684 case CWD: 4685 #ifdef DIS_TEXT 4686 if (opnd_size == SIZE16) 4687 (void) strlcat(x->d86_mnem, "cwtd", OPLEN); 4688 else if (opnd_size == SIZE32) 4689 (void) strlcat(x->d86_mnem, "cltd", OPLEN); 4690 else 4691 (void) strlcat(x->d86_mnem, "cqtd", OPLEN); 4692 #endif 4693 wbit = LONG_OPND; 4694 NOMEM; 4695 break; 4696 4697 case XMMSFNC: 4698 /* 4699 * sfence is sfence if mode is REG_ONLY. If mode isn't 4700 * REG_ONLY, mnemonic should be 'clflush'. 4701 */ 4702 dtrace_get_modrm(x, &mode, ®, &r_m); 4703 4704 /* sfence doesn't take operands */ 4705 #ifdef DIS_TEXT 4706 if (mode == REG_ONLY) { 4707 (void) strlcat(x->d86_mnem, "sfence", OPLEN); 4708 } else { 4709 (void) strlcat(x->d86_mnem, "clflush", OPLEN); 4710 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4711 dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 4712 NOMEM; 4713 } 4714 #else 4715 if (mode != REG_ONLY) { 4716 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4717 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 4718 NOMEM; 4719 } 4720 #endif 4721 break; 4722 4723 /* 4724 * no disassembly, the mnemonic was all there was so go on 4725 */ 4726 case NORM: 4727 if (dp->it_invalid32 && cpu_mode != SIZE64) 4728 goto error; 4729 NOMEM; 4730 /*FALLTHROUGH*/ 4731 case IMPLMEM: 4732 break; 4733 4734 case XMMFENCE: 4735 /* 4736 * XRSTOR and LFENCE share the same opcode but differ in mode 4737 */ 4738 dtrace_get_modrm(x, &mode, ®, &r_m); 4739 4740 if (mode == REG_ONLY) { 4741 /* 4742 * Only the following exact byte sequences are allowed: 4743 * 4744 * 0f ae e8 lfence 4745 * 0f ae f0 mfence 4746 */ 4747 if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 && 4748 (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0) 4749 goto error; 4750 } else { 4751 #ifdef DIS_TEXT 4752 (void) strncpy(x->d86_mnem, "xrstor", OPLEN); 4753 #endif 4754 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); 4755 dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0); 4756 } 4757 break; 4758 4759 /* float reg */ 4760 case F: 4761 #ifdef DIS_TEXT 4762 x->d86_numopnds = 1; 4763 (void) strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN); 4764 x->d86_opnd[0].d86_opnd[4] = r_m + '0'; 4765 #endif 4766 NOMEM; 4767 break; 4768 4769 /* float reg to float reg, with ret bit present */ 4770 case FF: 4771 vbit = opcode2 >> 2 & 0x1; /* vbit = 1: st -> st(i) */ 4772 /*FALLTHROUGH*/ 4773 case FFC: /* case for vbit always = 0 */ 4774 #ifdef DIS_TEXT 4775 x->d86_numopnds = 2; 4776 (void) strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN); 4777 (void) strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN); 4778 x->d86_opnd[vbit].d86_opnd[4] = r_m + '0'; 4779 #endif 4780 NOMEM; 4781 break; 4782 4783 /* AVX instructions */ 4784 case VEX_MO: 4785 /* op(ModR/M.r/m) */ 4786 x->d86_numopnds = 1; 4787 dtrace_get_modrm(x, &mode, ®, &r_m); 4788 #ifdef DIS_TEXT 4789 if ((dp == &dis_opAVX0F[0xA][0xE]) && (reg == 3)) 4790 (void) strncpy(x->d86_mnem, "vstmxcsr", OPLEN); 4791 #endif 4792 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4793 dtrace_get_operand(x, mode, r_m, wbit, 0); 4794 break; 4795 case VEX_RMrX: 4796 case FMA: 4797 /* ModR/M.reg := op(VEX.vvvv, ModR/M.r/m) */ 4798 x->d86_numopnds = 3; 4799 dtrace_get_modrm(x, &mode, ®, &r_m); 4800 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4801 4802 /* 4803 * In classic Intel fashion, the opcodes for all of the FMA 4804 * instructions all have two possible mnemonics which vary by 4805 * one letter, which is selected based on the value of the wbit. 4806 * When wbit is one, they have the 'd' suffix and when 'wbit' is 4807 * 0, they have the 's' suffix. Otherwise, the FMA instructions 4808 * are all a standard VEX_RMrX. 4809 */ 4810 #ifdef DIS_TEXT 4811 if (dp->it_adrmode == FMA) { 4812 size_t len = strlen(dp->it_name); 4813 (void) strncpy(x->d86_mnem, dp->it_name, OPLEN); 4814 if (len + 1 < OPLEN) { 4815 (void) strncpy(x->d86_mnem + len, 4816 vex_W != 0 ? "d" : "s", OPLEN - len); 4817 } 4818 } 4819 #endif 4820 4821 if (mode != REG_ONLY) { 4822 if ((dp == &dis_opAVXF20F[0x10]) || 4823 (dp == &dis_opAVXF30F[0x10])) { 4824 /* vmovsd <m64>, <xmm> */ 4825 /* or vmovss <m64>, <xmm> */ 4826 x->d86_numopnds = 2; 4827 goto L_VEX_MX; 4828 } 4829 } 4830 4831 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2); 4832 /* 4833 * VEX prefix uses the 1's complement form to encode the 4834 * XMM/YMM regs 4835 */ 4836 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1); 4837 4838 if ((dp == &dis_opAVXF20F[0x2A]) || 4839 (dp == &dis_opAVXF30F[0x2A])) { 4840 /* 4841 * vcvtsi2si </r,m>, <xmm>, <xmm> or vcvtsi2ss </r,m>, 4842 * <xmm>, <xmm> 4843 */ 4844 wbit = LONG_OPND; 4845 } 4846 #ifdef DIS_TEXT 4847 else if ((mode == REG_ONLY) && 4848 (dp == &dis_opAVX0F[0x1][0x6])) { /* vmovlhps */ 4849 (void) strncpy(x->d86_mnem, "vmovlhps", OPLEN); 4850 } else if ((mode == REG_ONLY) && 4851 (dp == &dis_opAVX0F[0x1][0x2])) { /* vmovhlps */ 4852 (void) strncpy(x->d86_mnem, "vmovhlps", OPLEN); 4853 } 4854 #endif 4855 dtrace_get_operand(x, mode, r_m, wbit, 0); 4856 4857 break; 4858 4859 case VEX_VRMrX: 4860 /* ModR/M.reg := op(MODR/M.r/m, VEX.vvvv) */ 4861 x->d86_numopnds = 3; 4862 dtrace_get_modrm(x, &mode, ®, &r_m); 4863 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4864 4865 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2); 4866 /* 4867 * VEX prefix uses the 1's complement form to encode the 4868 * XMM/YMM regs 4869 */ 4870 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 0); 4871 4872 dtrace_get_operand(x, mode, r_m, wbit, 1); 4873 break; 4874 4875 case VEX_SbVM: 4876 /* ModR/M.reg := op(MODR/M.r/m, VSIB, VEX.vvvv) */ 4877 x->d86_numopnds = 3; 4878 x->d86_vsib = 1; 4879 4880 /* 4881 * All instructions that use VSIB are currently a mess. See the 4882 * comment around the dis_gather_regs_t structure definition. 4883 */ 4884 4885 vreg = &dis_vgather[opcode2][vex_W][vex_L]; 4886 4887 #ifdef DIS_TEXT 4888 (void) strncpy(x->d86_mnem, dp->it_name, OPLEN); 4889 (void) strlcat(x->d86_mnem + strlen(dp->it_name), 4890 vreg->dgr_suffix, OPLEN - strlen(dp->it_name)); 4891 #endif 4892 4893 dtrace_get_modrm(x, &mode, ®, &r_m); 4894 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4895 4896 dtrace_get_operand(x, REG_ONLY, reg, vreg->dgr_arg2, 2); 4897 /* 4898 * VEX prefix uses the 1's complement form to encode the 4899 * XMM/YMM regs 4900 */ 4901 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), vreg->dgr_arg0, 4902 0); 4903 dtrace_get_operand(x, mode, r_m, vreg->dgr_arg1, 1); 4904 break; 4905 4906 case VEX_RRX: 4907 /* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */ 4908 x->d86_numopnds = 3; 4909 4910 dtrace_get_modrm(x, &mode, ®, &r_m); 4911 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4912 4913 if (mode != REG_ONLY) { 4914 if ((dp == &dis_opAVXF20F[0x11]) || 4915 (dp == &dis_opAVXF30F[0x11])) { 4916 /* vmovsd <xmm>, <m64> */ 4917 /* or vmovss <xmm>, <m64> */ 4918 x->d86_numopnds = 2; 4919 goto L_VEX_RM; 4920 } 4921 } 4922 4923 dtrace_get_operand(x, mode, r_m, wbit, 2); 4924 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1); 4925 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0); 4926 break; 4927 4928 case VEX_RMRX: 4929 /* ModR/M.reg := op(VEX.vvvv, ModR/M.r_m, imm8[7:4]) */ 4930 x->d86_numopnds = 4; 4931 4932 dtrace_get_modrm(x, &mode, ®, &r_m); 4933 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4934 dtrace_get_operand(x, REG_ONLY, reg, wbit, 3); 4935 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2); 4936 if (dp == &dis_opAVX660F3A[0x18]) { 4937 /* vinsertf128 <imm8>, <xmm>, <ymm>, <ymm> */ 4938 dtrace_get_operand(x, mode, r_m, XMM_OPND, 1); 4939 } else if ((dp == &dis_opAVX660F3A[0x20]) || 4940 (dp == & dis_opAVX660F[0xC4])) { 4941 /* vpinsrb <imm8>, <reg/mm>, <xmm>, <xmm> */ 4942 /* or vpinsrw <imm8>, <reg/mm>, <xmm>, <xmm> */ 4943 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1); 4944 } else if (dp == &dis_opAVX660F3A[0x22]) { 4945 /* vpinsrd/q <imm8>, <reg/mm>, <xmm>, <xmm> */ 4946 #ifdef DIS_TEXT 4947 if (vex_W) 4948 x->d86_mnem[6] = 'q'; 4949 #endif 4950 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1); 4951 } else { 4952 dtrace_get_operand(x, mode, r_m, wbit, 1); 4953 } 4954 4955 /* one byte immediate number */ 4956 dtrace_imm_opnd(x, wbit, 1, 0); 4957 4958 /* vblendvpd, vblendvps, vblendvb use the imm encode the regs */ 4959 if ((dp == &dis_opAVX660F3A[0x4A]) || 4960 (dp == &dis_opAVX660F3A[0x4B]) || 4961 (dp == &dis_opAVX660F3A[0x4C])) { 4962 #ifdef DIS_TEXT 4963 int regnum = (x->d86_opnd[0].d86_value & 0xF0) >> 4; 4964 #endif 4965 x->d86_opnd[0].d86_mode = MODE_NONE; 4966 #ifdef DIS_TEXT 4967 if (vex_L) 4968 (void) strncpy(x->d86_opnd[0].d86_opnd, 4969 dis_YMMREG[regnum], OPLEN); 4970 else 4971 (void) strncpy(x->d86_opnd[0].d86_opnd, 4972 dis_XMMREG[regnum], OPLEN); 4973 #endif 4974 } 4975 break; 4976 4977 case VEX_MX: 4978 /* ModR/M.reg := op(ModR/M.rm) */ 4979 x->d86_numopnds = 2; 4980 4981 dtrace_get_modrm(x, &mode, ®, &r_m); 4982 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 4983 L_VEX_MX: 4984 4985 if ((dp == &dis_opAVXF20F[0xE6]) || 4986 (dp == &dis_opAVX660F[0x5A]) || 4987 (dp == &dis_opAVX660F[0xE6])) { 4988 /* vcvtpd2dq <ymm>, <xmm> */ 4989 /* or vcvtpd2ps <ymm>, <xmm> */ 4990 /* or vcvttpd2dq <ymm>, <xmm> */ 4991 dtrace_get_operand(x, REG_ONLY, reg, XMM_OPND, 1); 4992 dtrace_get_operand(x, mode, r_m, wbit, 0); 4993 } else if ((dp == &dis_opAVXF30F[0xE6]) || 4994 (dp == &dis_opAVX0F[0x5][0xA]) || 4995 (dp == &dis_opAVX660F38[0x13]) || 4996 (dp == &dis_opAVX660F38[0x18]) || 4997 (dp == &dis_opAVX660F38[0x19]) || 4998 (dp == &dis_opAVX660F38[0x58]) || 4999 (dp == &dis_opAVX660F38[0x78]) || 5000 (dp == &dis_opAVX660F38[0x79]) || 5001 (dp == &dis_opAVX660F38[0x59])) { 5002 /* vcvtdq2pd <xmm>, <ymm> */ 5003 /* or vcvtps2pd <xmm>, <ymm> */ 5004 /* or vcvtph2ps <xmm>, <ymm> */ 5005 /* or vbroadcasts* <xmm>, <ymm> */ 5006 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5007 dtrace_get_operand(x, mode, r_m, XMM_OPND, 0); 5008 } else if (dp == &dis_opAVX660F[0x6E]) { 5009 /* vmovd/q <reg/mem 32/64>, <xmm> */ 5010 #ifdef DIS_TEXT 5011 if (vex_W) 5012 x->d86_mnem[4] = 'q'; 5013 #endif 5014 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5015 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0); 5016 } else { 5017 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5018 dtrace_get_operand(x, mode, r_m, wbit, 0); 5019 } 5020 5021 break; 5022 5023 case VEX_MXI: 5024 /* ModR/M.reg := op(ModR/M.rm, imm8) */ 5025 x->d86_numopnds = 3; 5026 5027 dtrace_get_modrm(x, &mode, ®, &r_m); 5028 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5029 5030 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2); 5031 dtrace_get_operand(x, mode, r_m, wbit, 1); 5032 5033 /* one byte immediate number */ 5034 dtrace_imm_opnd(x, wbit, 1, 0); 5035 break; 5036 5037 case VEX_XXI: 5038 /* VEX.vvvv := op(ModR/M.rm, imm8) */ 5039 x->d86_numopnds = 3; 5040 5041 dtrace_get_modrm(x, &mode, ®, &r_m); 5042 #ifdef DIS_TEXT 5043 (void) strncpy(x->d86_mnem, dis_AVXvgrp7[opcode2 - 1][reg], 5044 OPLEN); 5045 #endif 5046 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5047 5048 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2); 5049 dtrace_get_operand(x, REG_ONLY, r_m, wbit, 1); 5050 5051 /* one byte immediate number */ 5052 dtrace_imm_opnd(x, wbit, 1, 0); 5053 break; 5054 5055 case VEX_MR: 5056 /* ModR/M.reg (reg32/64) := op(ModR/M.rm) */ 5057 if (dp == &dis_opAVX660F[0xC5]) { 5058 /* vpextrw <imm8>, <xmm>, <reg> */ 5059 x->d86_numopnds = 2; 5060 vbit = 2; 5061 } else { 5062 x->d86_numopnds = 2; 5063 vbit = 1; 5064 } 5065 5066 dtrace_get_modrm(x, &mode, ®, &r_m); 5067 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5068 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, vbit); 5069 dtrace_get_operand(x, mode, r_m, wbit, vbit - 1); 5070 5071 if (vbit == 2) 5072 dtrace_imm_opnd(x, wbit, 1, 0); 5073 5074 break; 5075 5076 case VEX_RRI: 5077 /* implicit(eflags/r32) := op(ModR/M.reg, ModR/M.rm) */ 5078 x->d86_numopnds = 2; 5079 5080 dtrace_get_modrm(x, &mode, ®, &r_m); 5081 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5082 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5083 dtrace_get_operand(x, mode, r_m, wbit, 0); 5084 break; 5085 5086 case VEX_RX: 5087 /* ModR/M.rm := op(ModR/M.reg) */ 5088 /* vextractf128 || vcvtps2ph */ 5089 if (dp == &dis_opAVX660F3A[0x19] || 5090 dp == &dis_opAVX660F3A[0x1d]) { 5091 x->d86_numopnds = 3; 5092 5093 dtrace_get_modrm(x, &mode, ®, &r_m); 5094 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5095 5096 dtrace_get_operand(x, mode, r_m, XMM_OPND, 2); 5097 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5098 5099 /* one byte immediate number */ 5100 dtrace_imm_opnd(x, wbit, 1, 0); 5101 break; 5102 } 5103 5104 x->d86_numopnds = 2; 5105 5106 dtrace_get_modrm(x, &mode, ®, &r_m); 5107 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5108 dtrace_get_operand(x, mode, r_m, wbit, 1); 5109 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0); 5110 break; 5111 5112 case VEX_RR: 5113 /* ModR/M.rm := op(ModR/M.reg) */ 5114 x->d86_numopnds = 2; 5115 5116 dtrace_get_modrm(x, &mode, ®, &r_m); 5117 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5118 5119 if (dp == &dis_opAVX660F[0x7E]) { 5120 /* vmovd/q <reg/mem 32/64>, <xmm> */ 5121 #ifdef DIS_TEXT 5122 if (vex_W) 5123 x->d86_mnem[4] = 'q'; 5124 #endif 5125 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1); 5126 } else 5127 dtrace_get_operand(x, mode, r_m, wbit, 1); 5128 5129 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0); 5130 break; 5131 5132 case VEX_RRi: 5133 /* ModR/M.rm := op(ModR/M.reg, imm) */ 5134 x->d86_numopnds = 3; 5135 5136 dtrace_get_modrm(x, &mode, ®, &r_m); 5137 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5138 5139 #ifdef DIS_TEXT 5140 if (dp == &dis_opAVX660F3A[0x16]) { 5141 /* vpextrd/q <imm>, <xmm>, <reg/mem 32/64> */ 5142 if (vex_W) 5143 x->d86_mnem[6] = 'q'; 5144 } 5145 #endif 5146 dtrace_get_operand(x, mode, r_m, LONG_OPND, 2); 5147 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5148 5149 /* one byte immediate number */ 5150 dtrace_imm_opnd(x, wbit, 1, 0); 5151 break; 5152 case VEX_RIM: 5153 /* ModR/M.rm := op(ModR/M.reg, imm) */ 5154 x->d86_numopnds = 3; 5155 5156 dtrace_get_modrm(x, &mode, ®, &r_m); 5157 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5158 5159 dtrace_get_operand(x, mode, r_m, XMM_OPND, 2); 5160 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5161 /* one byte immediate number */ 5162 dtrace_imm_opnd(x, wbit, 1, 0); 5163 break; 5164 5165 case VEX_RM: 5166 /* ModR/M.rm := op(ModR/M.reg) */ 5167 if (dp == &dis_opAVX660F3A[0x17]) { /* vextractps */ 5168 x->d86_numopnds = 3; 5169 5170 dtrace_get_modrm(x, &mode, ®, &r_m); 5171 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5172 5173 dtrace_get_operand(x, mode, r_m, LONG_OPND, 2); 5174 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1); 5175 /* one byte immediate number */ 5176 dtrace_imm_opnd(x, wbit, 1, 0); 5177 break; 5178 } 5179 x->d86_numopnds = 2; 5180 5181 dtrace_get_modrm(x, &mode, ®, &r_m); 5182 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5183 L_VEX_RM: 5184 vbit = 1; 5185 dtrace_get_operand(x, mode, r_m, wbit, vbit); 5186 dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit - 1); 5187 5188 break; 5189 5190 case VEX_RRM: 5191 /* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */ 5192 x->d86_numopnds = 3; 5193 5194 dtrace_get_modrm(x, &mode, ®, &r_m); 5195 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5196 dtrace_get_operand(x, mode, r_m, wbit, 2); 5197 /* VEX use the 1's complement form encode the XMM/YMM regs */ 5198 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1); 5199 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0); 5200 break; 5201 5202 case VEX_RMX: 5203 /* ModR/M.reg := op(VEX.vvvv, ModR/M.rm) */ 5204 x->d86_numopnds = 3; 5205 5206 dtrace_get_modrm(x, &mode, ®, &r_m); 5207 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5208 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2); 5209 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1); 5210 dtrace_get_operand(x, REG_ONLY, r_m, wbit, 0); 5211 break; 5212 5213 case VEX_NONE: 5214 #ifdef DIS_TEXT 5215 if (vex_L) 5216 (void) strncpy(x->d86_mnem, "vzeroall", OPLEN); 5217 #endif 5218 break; 5219 case BLS: { 5220 5221 /* 5222 * The BLS instructions are VEX instructions that are based on 5223 * VEX.0F38.F3; however, they are considered special group 17 5224 * and like everything else, they use the bits in 3-5 of the 5225 * MOD R/M to determine the sub instruction. Unlike many others 5226 * like the VMX instructions, these are valid both for memory 5227 * and register forms. 5228 */ 5229 5230 dtrace_get_modrm(x, &mode, ®, &r_m); 5231 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m); 5232 5233 switch (reg) { 5234 case 1: 5235 #ifdef DIS_TEXT 5236 blsinstr = "blsr"; 5237 #endif 5238 break; 5239 case 2: 5240 #ifdef DIS_TEXT 5241 blsinstr = "blsmsk"; 5242 #endif 5243 break; 5244 case 3: 5245 #ifdef DIS_TEXT 5246 blsinstr = "blsi"; 5247 #endif 5248 break; 5249 default: 5250 goto error; 5251 } 5252 5253 x->d86_numopnds = 2; 5254 #ifdef DIS_TEXT 5255 (void) strncpy(x->d86_mnem, blsinstr, OPLEN); 5256 #endif 5257 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1); 5258 dtrace_get_operand(x, mode, r_m, wbit, 0); 5259 break; 5260 } 5261 /* an invalid op code */ 5262 case AM: 5263 case DM: 5264 case OVERRIDE: 5265 case PREFIX: 5266 case UNKNOWN: 5267 NOMEM; 5268 default: 5269 goto error; 5270 } /* end switch */ 5271 if (x->d86_error) 5272 goto error; 5273 5274 done: 5275 #ifdef DIS_MEM 5276 /* 5277 * compute the size of any memory accessed by the instruction 5278 */ 5279 if (x->d86_memsize != 0) { 5280 return (0); 5281 } else if (dp->it_stackop) { 5282 switch (opnd_size) { 5283 case SIZE16: 5284 x->d86_memsize = 2; 5285 break; 5286 case SIZE32: 5287 x->d86_memsize = 4; 5288 break; 5289 case SIZE64: 5290 x->d86_memsize = 8; 5291 break; 5292 } 5293 } else if (nomem || mode == REG_ONLY) { 5294 x->d86_memsize = 0; 5295 5296 } else if (dp->it_size != 0) { 5297 /* 5298 * In 64 bit mode descriptor table entries 5299 * go up to 10 bytes and popf/pushf are always 8 bytes 5300 */ 5301 if (x->d86_mode == SIZE64 && dp->it_size == 6) 5302 x->d86_memsize = 10; 5303 else if (x->d86_mode == SIZE64 && opcode1 == 0x9 && 5304 (opcode2 == 0xc || opcode2 == 0xd)) 5305 x->d86_memsize = 8; 5306 else 5307 x->d86_memsize = dp->it_size; 5308 5309 } else if (wbit == 0) { 5310 x->d86_memsize = 1; 5311 5312 } else if (wbit == LONG_OPND) { 5313 if (opnd_size == SIZE64) 5314 x->d86_memsize = 8; 5315 else if (opnd_size == SIZE32) 5316 x->d86_memsize = 4; 5317 else 5318 x->d86_memsize = 2; 5319 5320 } else if (wbit == SEG_OPND) { 5321 x->d86_memsize = 4; 5322 5323 } else { 5324 x->d86_memsize = 8; 5325 } 5326 #endif 5327 return (0); 5328 5329 error: 5330 #ifdef DIS_TEXT 5331 (void) strlcat(x->d86_mnem, "undef", OPLEN); 5332 #endif 5333 return (1); 5334 } 5335 5336 #ifdef DIS_TEXT 5337 5338 /* 5339 * Some instructions should have immediate operands printed 5340 * as unsigned integers. We compare against this table. 5341 */ 5342 static char *unsigned_ops[] = { 5343 "or", "and", "xor", "test", "in", "out", "lcall", "ljmp", 5344 "rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl", 5345 0 5346 }; 5347 5348 5349 static int 5350 isunsigned_op(char *opcode) 5351 { 5352 char *where; 5353 int i; 5354 int is_unsigned = 0; 5355 5356 /* 5357 * Work back to start of last mnemonic, since we may have 5358 * prefixes on some opcodes. 5359 */ 5360 where = opcode + strlen(opcode) - 1; 5361 while (where > opcode && *where != ' ') 5362 --where; 5363 if (*where == ' ') 5364 ++where; 5365 5366 for (i = 0; unsigned_ops[i]; ++i) { 5367 if (strncmp(where, unsigned_ops[i], 5368 strlen(unsigned_ops[i]))) 5369 continue; 5370 is_unsigned = 1; 5371 break; 5372 } 5373 return (is_unsigned); 5374 } 5375 5376 /* 5377 * Print a numeric immediate into end of buf, maximum length buflen. 5378 * The immediate may be an address or a displacement. Mask is set 5379 * for address size. If the immediate is a "small negative", or 5380 * if it's a negative displacement of any magnitude, print as -<absval>. 5381 * Respect the "octal" flag. "Small negative" is defined as "in the 5382 * interval [NEG_LIMIT, 0)". 5383 * 5384 * Also, "isunsigned_op()" instructions never print negatives. 5385 * 5386 * Return whether we decided to print a negative value or not. 5387 */ 5388 5389 #define NEG_LIMIT -255 5390 enum {IMM, DISP}; 5391 enum {POS, TRY_NEG}; 5392 5393 static int 5394 print_imm(dis86_t *dis, uint64_t usv, uint64_t mask, char *buf, 5395 size_t buflen, int disp, int try_neg) 5396 { 5397 int curlen; 5398 int64_t sv = (int64_t)usv; 5399 int octal = dis->d86_flags & DIS_F_OCTAL; 5400 5401 curlen = strlen(buf); 5402 5403 if (try_neg == TRY_NEG && sv < 0 && 5404 (disp || sv >= NEG_LIMIT) && 5405 !isunsigned_op(dis->d86_mnem)) { 5406 dis->d86_sprintf_func(buf + curlen, buflen - curlen, 5407 octal ? "-0%llo" : "-0x%llx", (-sv) & mask); 5408 return (1); 5409 } else { 5410 if (disp == DISP) 5411 dis->d86_sprintf_func(buf + curlen, buflen - curlen, 5412 octal ? "+0%llo" : "+0x%llx", usv & mask); 5413 else 5414 dis->d86_sprintf_func(buf + curlen, buflen - curlen, 5415 octal ? "0%llo" : "0x%llx", usv & mask); 5416 return (0); 5417 5418 } 5419 } 5420 5421 5422 static int 5423 log2(int size) 5424 { 5425 switch (size) { 5426 case 1: return (0); 5427 case 2: return (1); 5428 case 4: return (2); 5429 case 8: return (3); 5430 } 5431 return (0); 5432 } 5433 5434 /* ARGSUSED */ 5435 void 5436 dtrace_disx86_str(dis86_t *dis, uint_t mode, uint64_t pc, char *buf, 5437 size_t buflen) 5438 { 5439 uint64_t reltgt = 0; 5440 uint64_t tgt = 0; 5441 int curlen; 5442 int (*lookup)(void *, uint64_t, char *, size_t); 5443 int i; 5444 int64_t sv; 5445 uint64_t usv, mask, save_mask, save_usv; 5446 static uint64_t masks[] = 5447 {0xffU, 0xffffU, 0xffffffffU, 0xffffffffffffffffULL}; 5448 save_usv = 0; 5449 5450 dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mnem); 5451 5452 /* 5453 * For PC-relative jumps, the pc is really the next pc after executing 5454 * this instruction, so increment it appropriately. 5455 */ 5456 pc += dis->d86_len; 5457 5458 for (i = 0; i < dis->d86_numopnds; i++) { 5459 d86opnd_t *op = &dis->d86_opnd[i]; 5460 5461 if (i != 0) 5462 (void) strlcat(buf, ",", buflen); 5463 5464 (void) strlcat(buf, op->d86_prefix, buflen); 5465 5466 /* 5467 * sv is for the signed, possibly-truncated immediate or 5468 * displacement; usv retains the original size and 5469 * unsignedness for symbol lookup. 5470 */ 5471 5472 sv = usv = op->d86_value; 5473 5474 /* 5475 * About masks: for immediates that represent 5476 * addresses, the appropriate display size is 5477 * the effective address size of the instruction. 5478 * This includes MODE_OFFSET, MODE_IPREL, and 5479 * MODE_RIPREL. Immediates that are simply 5480 * immediate values should display in the operand's 5481 * size, however, since they don't represent addresses. 5482 */ 5483 5484 /* d86_addr_size is SIZEnn, which is log2(real size) */ 5485 mask = masks[dis->d86_addr_size]; 5486 5487 /* d86_value_size and d86_imm_bytes are in bytes */ 5488 if (op->d86_mode == MODE_SIGNED || 5489 op->d86_mode == MODE_IMPLIED) 5490 mask = masks[log2(op->d86_value_size)]; 5491 5492 switch (op->d86_mode) { 5493 5494 case MODE_NONE: 5495 5496 (void) strlcat(buf, op->d86_opnd, buflen); 5497 break; 5498 5499 case MODE_SIGNED: 5500 case MODE_IMPLIED: 5501 case MODE_OFFSET: 5502 5503 tgt = usv; 5504 5505 if (dis->d86_seg_prefix) 5506 (void) strlcat(buf, dis->d86_seg_prefix, 5507 buflen); 5508 5509 if (op->d86_mode == MODE_SIGNED || 5510 op->d86_mode == MODE_IMPLIED) { 5511 (void) strlcat(buf, "$", buflen); 5512 } 5513 5514 if (print_imm(dis, usv, mask, buf, buflen, 5515 IMM, TRY_NEG) && 5516 (op->d86_mode == MODE_SIGNED || 5517 op->d86_mode == MODE_IMPLIED)) { 5518 5519 /* 5520 * We printed a negative value for an 5521 * immediate that wasn't a 5522 * displacement. Note that fact so we can 5523 * print the positive value as an 5524 * annotation. 5525 */ 5526 5527 save_usv = usv; 5528 save_mask = mask; 5529 } 5530 (void) strlcat(buf, op->d86_opnd, buflen); 5531 5532 break; 5533 5534 case MODE_IPREL: 5535 case MODE_RIPREL: 5536 5537 reltgt = pc + sv; 5538 5539 switch (mode) { 5540 case SIZE16: 5541 reltgt = (uint16_t)reltgt; 5542 break; 5543 case SIZE32: 5544 reltgt = (uint32_t)reltgt; 5545 break; 5546 } 5547 5548 (void) print_imm(dis, usv, mask, buf, buflen, 5549 DISP, TRY_NEG); 5550 5551 if (op->d86_mode == MODE_RIPREL) 5552 (void) strlcat(buf, "(%rip)", buflen); 5553 break; 5554 } 5555 } 5556 5557 /* 5558 * The symbol lookups may result in false positives, 5559 * particularly on object files, where small numbers may match 5560 * the 0-relative non-relocated addresses of symbols. 5561 */ 5562 5563 lookup = dis->d86_sym_lookup; 5564 if (tgt != 0) { 5565 if ((dis->d86_flags & DIS_F_NOIMMSYM) == 0 && 5566 lookup(dis->d86_data, tgt, NULL, 0) == 0) { 5567 (void) strlcat(buf, "\t<", buflen); 5568 curlen = strlen(buf); 5569 lookup(dis->d86_data, tgt, buf + curlen, 5570 buflen - curlen); 5571 (void) strlcat(buf, ">", buflen); 5572 } 5573 5574 /* 5575 * If we printed a negative immediate above, print the 5576 * positive in case our heuristic was unhelpful 5577 */ 5578 if (save_usv) { 5579 (void) strlcat(buf, "\t<", buflen); 5580 (void) print_imm(dis, save_usv, save_mask, buf, buflen, 5581 IMM, POS); 5582 (void) strlcat(buf, ">", buflen); 5583 } 5584 } 5585 5586 if (reltgt != 0) { 5587 /* Print symbol or effective address for reltgt */ 5588 5589 (void) strlcat(buf, "\t<", buflen); 5590 curlen = strlen(buf); 5591 lookup(dis->d86_data, reltgt, buf + curlen, 5592 buflen - curlen); 5593 (void) strlcat(buf, ">", buflen); 5594 } 5595 } 5596 5597 #endif /* DIS_TEXT */ 5598
Indexes created Sun Sep 27 00:26:35 UTC 2026