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