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