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