i386-opc.h revision 1.9
1/* Declarations for Intel 80386 opcode table 2 Copyright (C) 2007-2020 Free Software Foundation, Inc. 3 4 This file is part of the GNU opcodes library. 5 6 This library is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 It is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GAS; see the file COPYING. If not, write to the Free 18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 19 02110-1301, USA. */ 20 21#include "opcode/i386.h" 22#ifdef HAVE_LIMITS_H 23#include <limits.h> 24#endif 25 26#ifndef CHAR_BIT 27#define CHAR_BIT 8 28#endif 29 30/* Position of cpu flags bitfiled. */ 31 32enum 33{ 34 /* i186 or better required */ 35 Cpu186 = 0, 36 /* i286 or better required */ 37 Cpu286, 38 /* i386 or better required */ 39 Cpu386, 40 /* i486 or better required */ 41 Cpu486, 42 /* i585 or better required */ 43 Cpu586, 44 /* i686 or better required */ 45 Cpu686, 46 /* CMOV Instruction support required */ 47 CpuCMOV, 48 /* FXSR Instruction support required */ 49 CpuFXSR, 50 /* CLFLUSH Instruction support required */ 51 CpuClflush, 52 /* NOP Instruction support required */ 53 CpuNop, 54 /* SYSCALL Instructions support required */ 55 CpuSYSCALL, 56 /* Floating point support required */ 57 Cpu8087, 58 /* i287 support required */ 59 Cpu287, 60 /* i387 support required */ 61 Cpu387, 62 /* i686 and floating point support required */ 63 Cpu687, 64 /* SSE3 and floating point support required */ 65 CpuFISTTP, 66 /* MMX support required */ 67 CpuMMX, 68 /* SSE support required */ 69 CpuSSE, 70 /* SSE2 support required */ 71 CpuSSE2, 72 /* 3dnow! support required */ 73 Cpu3dnow, 74 /* 3dnow! Extensions support required */ 75 Cpu3dnowA, 76 /* SSE3 support required */ 77 CpuSSE3, 78 /* VIA PadLock required */ 79 CpuPadLock, 80 /* AMD Secure Virtual Machine Ext-s required */ 81 CpuSVME, 82 /* VMX Instructions required */ 83 CpuVMX, 84 /* SMX Instructions required */ 85 CpuSMX, 86 /* SSSE3 support required */ 87 CpuSSSE3, 88 /* SSE4a support required */ 89 CpuSSE4a, 90 /* LZCNT support required */ 91 CpuLZCNT, 92 /* POPCNT support required */ 93 CpuPOPCNT, 94 /* SSE4.1 support required */ 95 CpuSSE4_1, 96 /* SSE4.2 support required */ 97 CpuSSE4_2, 98 /* AVX support required */ 99 CpuAVX, 100 /* AVX2 support required */ 101 CpuAVX2, 102 /* Intel AVX-512 Foundation Instructions support required */ 103 CpuAVX512F, 104 /* Intel AVX-512 Conflict Detection Instructions support required */ 105 CpuAVX512CD, 106 /* Intel AVX-512 Exponential and Reciprocal Instructions support 107 required */ 108 CpuAVX512ER, 109 /* Intel AVX-512 Prefetch Instructions support required */ 110 CpuAVX512PF, 111 /* Intel AVX-512 VL Instructions support required. */ 112 CpuAVX512VL, 113 /* Intel AVX-512 DQ Instructions support required. */ 114 CpuAVX512DQ, 115 /* Intel AVX-512 BW Instructions support required. */ 116 CpuAVX512BW, 117 /* Intel L1OM support required */ 118 CpuL1OM, 119 /* Intel K1OM support required */ 120 CpuK1OM, 121 /* Intel IAMCU support required */ 122 CpuIAMCU, 123 /* Xsave/xrstor New Instructions support required */ 124 CpuXsave, 125 /* Xsaveopt New Instructions support required */ 126 CpuXsaveopt, 127 /* AES support required */ 128 CpuAES, 129 /* PCLMUL support required */ 130 CpuPCLMUL, 131 /* FMA support required */ 132 CpuFMA, 133 /* FMA4 support required */ 134 CpuFMA4, 135 /* XOP support required */ 136 CpuXOP, 137 /* LWP support required */ 138 CpuLWP, 139 /* BMI support required */ 140 CpuBMI, 141 /* TBM support required */ 142 CpuTBM, 143 /* MOVBE Instruction support required */ 144 CpuMovbe, 145 /* CMPXCHG16B instruction support required. */ 146 CpuCX16, 147 /* EPT Instructions required */ 148 CpuEPT, 149 /* RDTSCP Instruction support required */ 150 CpuRdtscp, 151 /* FSGSBASE Instructions required */ 152 CpuFSGSBase, 153 /* RDRND Instructions required */ 154 CpuRdRnd, 155 /* F16C Instructions required */ 156 CpuF16C, 157 /* Intel BMI2 support required */ 158 CpuBMI2, 159 /* HLE support required */ 160 CpuHLE, 161 /* RTM support required */ 162 CpuRTM, 163 /* INVPCID Instructions required */ 164 CpuINVPCID, 165 /* VMFUNC Instruction required */ 166 CpuVMFUNC, 167 /* Intel MPX Instructions required */ 168 CpuMPX, 169 /* 64bit support available, used by -march= in assembler. */ 170 CpuLM, 171 /* RDRSEED instruction required. */ 172 CpuRDSEED, 173 /* Multi-presisionn add-carry instructions are required. */ 174 CpuADX, 175 /* Supports prefetchw and prefetch instructions. */ 176 CpuPRFCHW, 177 /* SMAP instructions required. */ 178 CpuSMAP, 179 /* SHA instructions required. */ 180 CpuSHA, 181 /* CLFLUSHOPT instruction required */ 182 CpuClflushOpt, 183 /* XSAVES/XRSTORS instruction required */ 184 CpuXSAVES, 185 /* XSAVEC instruction required */ 186 CpuXSAVEC, 187 /* PREFETCHWT1 instruction required */ 188 CpuPREFETCHWT1, 189 /* SE1 instruction required */ 190 CpuSE1, 191 /* CLWB instruction required */ 192 CpuCLWB, 193 /* Intel AVX-512 IFMA Instructions support required. */ 194 CpuAVX512IFMA, 195 /* Intel AVX-512 VBMI Instructions support required. */ 196 CpuAVX512VBMI, 197 /* Intel AVX-512 4FMAPS Instructions support required. */ 198 CpuAVX512_4FMAPS, 199 /* Intel AVX-512 4VNNIW Instructions support required. */ 200 CpuAVX512_4VNNIW, 201 /* Intel AVX-512 VPOPCNTDQ Instructions support required. */ 202 CpuAVX512_VPOPCNTDQ, 203 /* Intel AVX-512 VBMI2 Instructions support required. */ 204 CpuAVX512_VBMI2, 205 /* Intel AVX-512 VNNI Instructions support required. */ 206 CpuAVX512_VNNI, 207 /* Intel AVX-512 BITALG Instructions support required. */ 208 CpuAVX512_BITALG, 209 /* Intel AVX-512 BF16 Instructions support required. */ 210 CpuAVX512_BF16, 211 /* Intel AVX-512 VP2INTERSECT Instructions support required. */ 212 CpuAVX512_VP2INTERSECT, 213 /* mwaitx instruction required */ 214 CpuMWAITX, 215 /* Clzero instruction required */ 216 CpuCLZERO, 217 /* OSPKE instruction required */ 218 CpuOSPKE, 219 /* RDPID instruction required */ 220 CpuRDPID, 221 /* PTWRITE instruction required */ 222 CpuPTWRITE, 223 /* CET instructions support required */ 224 CpuIBT, 225 CpuSHSTK, 226 /* AMX-INT8 instructions required */ 227 CpuAMX_INT8, 228 /* AMX-BF16 instructions required */ 229 CpuAMX_BF16, 230 /* AMX-TILE instructions required */ 231 CpuAMX_TILE, 232 /* GFNI instructions required */ 233 CpuGFNI, 234 /* VAES instructions required */ 235 CpuVAES, 236 /* VPCLMULQDQ instructions required */ 237 CpuVPCLMULQDQ, 238 /* WBNOINVD instructions required */ 239 CpuWBNOINVD, 240 /* PCONFIG instructions required */ 241 CpuPCONFIG, 242 /* WAITPKG instructions required */ 243 CpuWAITPKG, 244 /* CLDEMOTE instruction required */ 245 CpuCLDEMOTE, 246 /* MOVDIRI instruction support required */ 247 CpuMOVDIRI, 248 /* MOVDIRR64B instruction required */ 249 CpuMOVDIR64B, 250 /* ENQCMD instruction required */ 251 CpuENQCMD, 252 /* SERIALIZE instruction required */ 253 CpuSERIALIZE, 254 /* RDPRU instruction required */ 255 CpuRDPRU, 256 /* MCOMMIT instruction required */ 257 CpuMCOMMIT, 258 /* SEV-ES instruction(s) required */ 259 CpuSEV_ES, 260 /* TSXLDTRK instruction required */ 261 CpuTSXLDTRK, 262 /* 64bit support required */ 263 Cpu64, 264 /* Not supported in the 64bit mode */ 265 CpuNo64, 266 /* The last bitfield in i386_cpu_flags. */ 267 CpuMax = CpuNo64 268}; 269 270#define CpuNumOfUints \ 271 (CpuMax / sizeof (unsigned int) / CHAR_BIT + 1) 272#define CpuNumOfBits \ 273 (CpuNumOfUints * sizeof (unsigned int) * CHAR_BIT) 274 275/* If you get a compiler error for zero width of the unused field, 276 comment it out. */ 277#define CpuUnused (CpuMax + 1) 278 279/* We can check if an instruction is available with array instead 280 of bitfield. */ 281typedef union i386_cpu_flags 282{ 283 struct 284 { 285 unsigned int cpui186:1; 286 unsigned int cpui286:1; 287 unsigned int cpui386:1; 288 unsigned int cpui486:1; 289 unsigned int cpui586:1; 290 unsigned int cpui686:1; 291 unsigned int cpucmov:1; 292 unsigned int cpufxsr:1; 293 unsigned int cpuclflush:1; 294 unsigned int cpunop:1; 295 unsigned int cpusyscall:1; 296 unsigned int cpu8087:1; 297 unsigned int cpu287:1; 298 unsigned int cpu387:1; 299 unsigned int cpu687:1; 300 unsigned int cpufisttp:1; 301 unsigned int cpummx:1; 302 unsigned int cpusse:1; 303 unsigned int cpusse2:1; 304 unsigned int cpua3dnow:1; 305 unsigned int cpua3dnowa:1; 306 unsigned int cpusse3:1; 307 unsigned int cpupadlock:1; 308 unsigned int cpusvme:1; 309 unsigned int cpuvmx:1; 310 unsigned int cpusmx:1; 311 unsigned int cpussse3:1; 312 unsigned int cpusse4a:1; 313 unsigned int cpulzcnt:1; 314 unsigned int cpupopcnt:1; 315 unsigned int cpusse4_1:1; 316 unsigned int cpusse4_2:1; 317 unsigned int cpuavx:1; 318 unsigned int cpuavx2:1; 319 unsigned int cpuavx512f:1; 320 unsigned int cpuavx512cd:1; 321 unsigned int cpuavx512er:1; 322 unsigned int cpuavx512pf:1; 323 unsigned int cpuavx512vl:1; 324 unsigned int cpuavx512dq:1; 325 unsigned int cpuavx512bw:1; 326 unsigned int cpul1om:1; 327 unsigned int cpuk1om:1; 328 unsigned int cpuiamcu:1; 329 unsigned int cpuxsave:1; 330 unsigned int cpuxsaveopt:1; 331 unsigned int cpuaes:1; 332 unsigned int cpupclmul:1; 333 unsigned int cpufma:1; 334 unsigned int cpufma4:1; 335 unsigned int cpuxop:1; 336 unsigned int cpulwp:1; 337 unsigned int cpubmi:1; 338 unsigned int cputbm:1; 339 unsigned int cpumovbe:1; 340 unsigned int cpucx16:1; 341 unsigned int cpuept:1; 342 unsigned int cpurdtscp:1; 343 unsigned int cpufsgsbase:1; 344 unsigned int cpurdrnd:1; 345 unsigned int cpuf16c:1; 346 unsigned int cpubmi2:1; 347 unsigned int cpuhle:1; 348 unsigned int cpurtm:1; 349 unsigned int cpuinvpcid:1; 350 unsigned int cpuvmfunc:1; 351 unsigned int cpumpx:1; 352 unsigned int cpulm:1; 353 unsigned int cpurdseed:1; 354 unsigned int cpuadx:1; 355 unsigned int cpuprfchw:1; 356 unsigned int cpusmap:1; 357 unsigned int cpusha:1; 358 unsigned int cpuclflushopt:1; 359 unsigned int cpuxsaves:1; 360 unsigned int cpuxsavec:1; 361 unsigned int cpuprefetchwt1:1; 362 unsigned int cpuse1:1; 363 unsigned int cpuclwb:1; 364 unsigned int cpuavx512ifma:1; 365 unsigned int cpuavx512vbmi:1; 366 unsigned int cpuavx512_4fmaps:1; 367 unsigned int cpuavx512_4vnniw:1; 368 unsigned int cpuavx512_vpopcntdq:1; 369 unsigned int cpuavx512_vbmi2:1; 370 unsigned int cpuavx512_vnni:1; 371 unsigned int cpuavx512_bitalg:1; 372 unsigned int cpuavx512_bf16:1; 373 unsigned int cpuavx512_vp2intersect:1; 374 unsigned int cpumwaitx:1; 375 unsigned int cpuclzero:1; 376 unsigned int cpuospke:1; 377 unsigned int cpurdpid:1; 378 unsigned int cpuptwrite:1; 379 unsigned int cpuibt:1; 380 unsigned int cpushstk:1; 381 unsigned int cpuamx_int8:1; 382 unsigned int cpuamx_bf16:1; 383 unsigned int cpuamx_tile:1; 384 unsigned int cpugfni:1; 385 unsigned int cpuvaes:1; 386 unsigned int cpuvpclmulqdq:1; 387 unsigned int cpuwbnoinvd:1; 388 unsigned int cpupconfig:1; 389 unsigned int cpuwaitpkg:1; 390 unsigned int cpucldemote:1; 391 unsigned int cpumovdiri:1; 392 unsigned int cpumovdir64b:1; 393 unsigned int cpuenqcmd:1; 394 unsigned int cpuserialize:1; 395 unsigned int cpurdpru:1; 396 unsigned int cpumcommit:1; 397 unsigned int cpusev_es:1; 398 unsigned int cputsxldtrk:1; 399 unsigned int cpu64:1; 400 unsigned int cpuno64:1; 401#ifdef CpuUnused 402 unsigned int unused:(CpuNumOfBits - CpuUnused); 403#endif 404 } bitfield; 405 unsigned int array[CpuNumOfUints]; 406} i386_cpu_flags; 407 408/* Position of opcode_modifier bits. */ 409 410enum 411{ 412 /* has direction bit. */ 413 D = 0, 414 /* set if operands can be both bytes and words/dwords/qwords, encoded the 415 canonical way; the base_opcode field should hold the encoding for byte 416 operands */ 417 W, 418 /* load form instruction. Must be placed before store form. */ 419 Load, 420 /* insn has a modrm byte. */ 421 Modrm, 422 /* special case for jump insns; value has to be 1 */ 423#define JUMP 1 424 /* call and jump */ 425#define JUMP_DWORD 2 426 /* loop and jecxz */ 427#define JUMP_BYTE 3 428 /* special case for intersegment leaps/calls */ 429#define JUMP_INTERSEGMENT 4 430 /* absolute address for jump */ 431#define JUMP_ABSOLUTE 5 432 Jump, 433 /* FP insn memory format bit, sized by 0x4 */ 434 FloatMF, 435 /* src/dest swap for floats. */ 436 FloatR, 437 /* needs size prefix if in 32-bit mode */ 438#define SIZE16 1 439 /* needs size prefix if in 16-bit mode */ 440#define SIZE32 2 441 /* needs size prefix if in 64-bit mode */ 442#define SIZE64 3 443 Size, 444 /* check register size. */ 445 CheckRegSize, 446 /* instruction ignores operand size prefix and in Intel mode ignores 447 mnemonic size suffix check. */ 448#define IGNORESIZE 1 449 /* default insn size depends on mode */ 450#define DEFAULTSIZE 2 451 MnemonicSize, 452 /* any memory size */ 453 Anysize, 454 /* b suffix on instruction illegal */ 455 No_bSuf, 456 /* w suffix on instruction illegal */ 457 No_wSuf, 458 /* l suffix on instruction illegal */ 459 No_lSuf, 460 /* s suffix on instruction illegal */ 461 No_sSuf, 462 /* q suffix on instruction illegal */ 463 No_qSuf, 464 /* long double suffix on instruction illegal */ 465 No_ldSuf, 466 /* instruction needs FWAIT */ 467 FWait, 468 /* IsString provides for a quick test for string instructions, and 469 its actual value also indicates which of the operands (if any) 470 requires use of the %es segment. */ 471#define IS_STRING_ES_OP0 2 472#define IS_STRING_ES_OP1 3 473 IsString, 474 /* RegMem is for instructions with a modrm byte where the register 475 destination operand should be encoded in the mod and regmem fields. 476 Normally, it will be encoded in the reg field. We add a RegMem 477 flag to indicate that it should be encoded in the regmem field. */ 478 RegMem, 479 /* quick test if branch instruction is MPX supported */ 480 BNDPrefixOk, 481 /* quick test if NOTRACK prefix is supported */ 482 NoTrackPrefixOk, 483 /* quick test for lockable instructions */ 484 IsLockable, 485 /* fake an extra reg operand for clr, imul and special register 486 processing for some instructions. */ 487 RegKludge, 488 /* An implicit xmm0 as the first operand */ 489 Implicit1stXmm0, 490 /* The HLE prefix is OK: 491 1. With a LOCK prefix. 492 2. With or without a LOCK prefix. 493 3. With a RELEASE (0xf3) prefix. 494 */ 495#define HLEPrefixNone 0 496#define HLEPrefixLock 1 497#define HLEPrefixAny 2 498#define HLEPrefixRelease 3 499 HLEPrefixOk, 500 /* An instruction on which a "rep" prefix is acceptable. */ 501 RepPrefixOk, 502 /* Convert to DWORD */ 503 ToDword, 504 /* Convert to QWORD */ 505 ToQword, 506 /* Address prefix changes register operand */ 507 AddrPrefixOpReg, 508 /* opcode is a prefix */ 509 IsPrefix, 510 /* instruction has extension in 8 bit imm */ 511 ImmExt, 512 /* instruction don't need Rex64 prefix. */ 513 NoRex64, 514 /* deprecated fp insn, gets a warning */ 515 Ugh, 516 /* insn has VEX prefix: 517 1: 128bit VEX prefix (or operand dependent). 518 2: 256bit VEX prefix. 519 3: Scalar VEX prefix. 520 */ 521#define VEX128 1 522#define VEX256 2 523#define VEXScalar 3 524 Vex, 525 /* How to encode VEX.vvvv: 526 0: VEX.vvvv must be 1111b. 527 1: VEX.NDS. Register-only source is encoded in VEX.vvvv where 528 the content of source registers will be preserved. 529 VEX.DDS. The second register operand is encoded in VEX.vvvv 530 where the content of first source register will be overwritten 531 by the result. 532 VEX.NDD2. The second destination register operand is encoded in 533 VEX.vvvv for instructions with 2 destination register operands. 534 For assembler, there are no difference between VEX.NDS, VEX.DDS 535 and VEX.NDD2. 536 2. VEX.NDD. Register destination is encoded in VEX.vvvv for 537 instructions with 1 destination register operand. 538 3. VEX.LWP. Register destination is encoded in VEX.vvvv and one 539 of the operands can access a memory location. 540 */ 541#define VEXXDS 1 542#define VEXNDD 2 543#define VEXLWP 3 544 VexVVVV, 545 /* How the VEX.W bit is used: 546 0: Set by the REX.W bit. 547 1: VEX.W0. Should always be 0. 548 2: VEX.W1. Should always be 1. 549 3: VEX.WIG. The VEX.W bit is ignored. 550 */ 551#define VEXW0 1 552#define VEXW1 2 553#define VEXWIG 3 554 VexW, 555 /* VEX opcode prefix: 556 0: VEX 0x0F opcode prefix. 557 1: VEX 0x0F38 opcode prefix. 558 2: VEX 0x0F3A opcode prefix 559 3: XOP 0x08 opcode prefix. 560 4: XOP 0x09 opcode prefix 561 5: XOP 0x0A opcode prefix. 562 */ 563#define VEX0F 0 564#define VEX0F38 1 565#define VEX0F3A 2 566#define XOP08 3 567#define XOP09 4 568#define XOP0A 5 569 VexOpcode, 570 /* number of VEX source operands: 571 0: <= 2 source operands. 572 1: 2 XOP source operands. 573 2: 3 source operands. 574 */ 575#define XOP2SOURCES 1 576#define VEX3SOURCES 2 577 VexSources, 578 /* Instruction with a mandatory SIB byte: 579 1: 128bit vector register. 580 2: 256bit vector register. 581 3: 512bit vector register. 582 */ 583#define VECSIB128 1 584#define VECSIB256 2 585#define VECSIB512 3 586#define SIBMEM 4 587 SIB, 588 589 /* SSE to AVX support required */ 590 SSE2AVX, 591 /* No AVX equivalent */ 592 NoAVX, 593 594 /* insn has EVEX prefix: 595 1: 512bit EVEX prefix. 596 2: 128bit EVEX prefix. 597 3: 256bit EVEX prefix. 598 4: Length-ignored (LIG) EVEX prefix. 599 5: Length determined from actual operands. 600 */ 601#define EVEX512 1 602#define EVEX128 2 603#define EVEX256 3 604#define EVEXLIG 4 605#define EVEXDYN 5 606 EVex, 607 608 /* AVX512 masking support: 609 1: Zeroing or merging masking depending on operands. 610 2: Merging-masking. 611 3: Both zeroing and merging masking. 612 */ 613#define DYNAMIC_MASKING 1 614#define MERGING_MASKING 2 615#define BOTH_MASKING 3 616 Masking, 617 618 /* AVX512 broadcast support. The number of bytes to broadcast is 619 1 << (Broadcast - 1): 620 1: Byte broadcast. 621 2: Word broadcast. 622 3: Dword broadcast. 623 4: Qword broadcast. 624 */ 625#define BYTE_BROADCAST 1 626#define WORD_BROADCAST 2 627#define DWORD_BROADCAST 3 628#define QWORD_BROADCAST 4 629 Broadcast, 630 631 /* Static rounding control is supported. */ 632 StaticRounding, 633 634 /* Supress All Exceptions is supported. */ 635 SAE, 636 637 /* Compressed Disp8*N attribute. */ 638#define DISP8_SHIFT_VL 7 639 Disp8MemShift, 640 641 /* Default mask isn't allowed. */ 642 NoDefMask, 643 644 /* The second operand must be a vector register, {x,y,z}mmN, where N is a multiple of 4. 645 It implicitly denotes the register group of {x,y,z}mmN - {x,y,z}mm(N + 3). 646 */ 647 ImplicitQuadGroup, 648 649 /* Two source operands are swapped. */ 650 SwapSources, 651 652 /* Support encoding optimization. */ 653 Optimize, 654 655 /* AT&T mnemonic. */ 656 ATTMnemonic, 657 /* AT&T syntax. */ 658 ATTSyntax, 659 /* Intel syntax. */ 660 IntelSyntax, 661 /* ISA64: Don't change the order without other code adjustments. 662 0: Common to AMD64 and Intel64. 663 1: AMD64. 664 2: Intel64. 665 3: Only in Intel64. 666 */ 667#define AMD64 1 668#define INTEL64 2 669#define INTEL64ONLY 3 670 ISA64, 671 /* The last bitfield in i386_opcode_modifier. */ 672 Opcode_Modifier_Num 673}; 674 675typedef struct i386_opcode_modifier 676{ 677 unsigned int d:1; 678 unsigned int w:1; 679 unsigned int load:1; 680 unsigned int modrm:1; 681 unsigned int jump:3; 682 unsigned int floatmf:1; 683 unsigned int floatr:1; 684 unsigned int size:2; 685 unsigned int checkregsize:1; 686 unsigned int mnemonicsize:2; 687 unsigned int anysize:1; 688 unsigned int no_bsuf:1; 689 unsigned int no_wsuf:1; 690 unsigned int no_lsuf:1; 691 unsigned int no_ssuf:1; 692 unsigned int no_qsuf:1; 693 unsigned int no_ldsuf:1; 694 unsigned int fwait:1; 695 unsigned int isstring:2; 696 unsigned int regmem:1; 697 unsigned int bndprefixok:1; 698 unsigned int notrackprefixok:1; 699 unsigned int islockable:1; 700 unsigned int regkludge:1; 701 unsigned int implicit1stxmm0:1; 702 unsigned int hleprefixok:2; 703 unsigned int repprefixok:1; 704 unsigned int todword:1; 705 unsigned int toqword:1; 706 unsigned int addrprefixopreg:1; 707 unsigned int isprefix:1; 708 unsigned int immext:1; 709 unsigned int norex64:1; 710 unsigned int ugh:1; 711 unsigned int vex:2; 712 unsigned int vexvvvv:2; 713 unsigned int vexw:2; 714 unsigned int vexopcode:3; 715 unsigned int vexsources:2; 716 unsigned int sib:3; 717 unsigned int sse2avx:1; 718 unsigned int noavx:1; 719 unsigned int evex:3; 720 unsigned int masking:2; 721 unsigned int broadcast:3; 722 unsigned int staticrounding:1; 723 unsigned int sae:1; 724 unsigned int disp8memshift:3; 725 unsigned int nodefmask:1; 726 unsigned int implicitquadgroup:1; 727 unsigned int swapsources:1; 728 unsigned int optimize:1; 729 unsigned int attmnemonic:1; 730 unsigned int attsyntax:1; 731 unsigned int intelsyntax:1; 732 unsigned int isa64:2; 733} i386_opcode_modifier; 734 735/* Operand classes. */ 736 737#define CLASS_WIDTH 4 738enum operand_class 739{ 740 ClassNone, 741 Reg, /* GPRs and FP regs, distinguished by operand size */ 742 SReg, /* Segment register */ 743 RegCR, /* Control register */ 744 RegDR, /* Debug register */ 745 RegTR, /* Test register */ 746 RegMMX, /* MMX register */ 747 RegSIMD, /* XMM/YMM/ZMM registers, distinguished by operand size */ 748 RegMask, /* Vector Mask register */ 749 RegBND, /* Bound register */ 750}; 751 752/* Special operand instances. */ 753 754#define INSTANCE_WIDTH 3 755enum operand_instance 756{ 757 InstanceNone, 758 Accum, /* Accumulator %al/%ax/%eax/%rax/%st(0)/%xmm0 */ 759 RegC, /* %cl / %cx / %ecx / %rcx, e.g. register to hold shift count */ 760 RegD, /* %dl / %dx / %edx / %rdx, e.g. register to hold I/O port addr */ 761 RegB, /* %bl / %bx / %ebx / %rbx */ 762}; 763 764/* Position of operand_type bits. */ 765 766enum 767{ 768 /* Class and Instance */ 769 ClassInstance = CLASS_WIDTH + INSTANCE_WIDTH - 1, 770 /* 1 bit immediate */ 771 Imm1, 772 /* 8 bit immediate */ 773 Imm8, 774 /* 8 bit immediate sign extended */ 775 Imm8S, 776 /* 16 bit immediate */ 777 Imm16, 778 /* 32 bit immediate */ 779 Imm32, 780 /* 32 bit immediate sign extended */ 781 Imm32S, 782 /* 64 bit immediate */ 783 Imm64, 784 /* 8bit/16bit/32bit displacements are used in different ways, 785 depending on the instruction. For jumps, they specify the 786 size of the PC relative displacement, for instructions with 787 memory operand, they specify the size of the offset relative 788 to the base register, and for instructions with memory offset 789 such as `mov 1234,%al' they specify the size of the offset 790 relative to the segment base. */ 791 /* 8 bit displacement */ 792 Disp8, 793 /* 16 bit displacement */ 794 Disp16, 795 /* 32 bit displacement */ 796 Disp32, 797 /* 32 bit signed displacement */ 798 Disp32S, 799 /* 64 bit displacement */ 800 Disp64, 801 /* Register which can be used for base or index in memory operand. */ 802 BaseIndex, 803 /* BYTE size. */ 804 Byte, 805 /* WORD size. 2 byte */ 806 Word, 807 /* DWORD size. 4 byte */ 808 Dword, 809 /* FWORD size. 6 byte */ 810 Fword, 811 /* QWORD size. 8 byte */ 812 Qword, 813 /* TBYTE size. 10 byte */ 814 Tbyte, 815 /* XMMWORD size. */ 816 Xmmword, 817 /* YMMWORD size. */ 818 Ymmword, 819 /* ZMMWORD size. */ 820 Zmmword, 821 /* TMMWORD size. */ 822 Tmmword, 823 /* Unspecified memory size. */ 824 Unspecified, 825 826 /* The number of bits in i386_operand_type. */ 827 OTNum 828}; 829 830#define OTNumOfUints \ 831 ((OTNum - 1) / sizeof (unsigned int) / CHAR_BIT + 1) 832#define OTNumOfBits \ 833 (OTNumOfUints * sizeof (unsigned int) * CHAR_BIT) 834 835/* If you get a compiler error for zero width of the unused field, 836 comment it out. */ 837#define OTUnused OTNum 838 839typedef union i386_operand_type 840{ 841 struct 842 { 843 unsigned int class:CLASS_WIDTH; 844 unsigned int instance:INSTANCE_WIDTH; 845 unsigned int imm1:1; 846 unsigned int imm8:1; 847 unsigned int imm8s:1; 848 unsigned int imm16:1; 849 unsigned int imm32:1; 850 unsigned int imm32s:1; 851 unsigned int imm64:1; 852 unsigned int disp8:1; 853 unsigned int disp16:1; 854 unsigned int disp32:1; 855 unsigned int disp32s:1; 856 unsigned int disp64:1; 857 unsigned int baseindex:1; 858 unsigned int byte:1; 859 unsigned int word:1; 860 unsigned int dword:1; 861 unsigned int fword:1; 862 unsigned int qword:1; 863 unsigned int tbyte:1; 864 unsigned int xmmword:1; 865 unsigned int ymmword:1; 866 unsigned int zmmword:1; 867 unsigned int tmmword:1; 868 unsigned int unspecified:1; 869#ifdef OTUnused 870 unsigned int unused:(OTNumOfBits - OTUnused); 871#endif 872 } bitfield; 873 unsigned int array[OTNumOfUints]; 874} i386_operand_type; 875 876typedef struct insn_template 877{ 878 /* instruction name sans width suffix ("mov" for movl insns) */ 879 char *name; 880 881 /* base_opcode is the fundamental opcode byte without optional 882 prefix(es). */ 883 unsigned int base_opcode; 884#define Opcode_D 0x2 /* Direction bit: 885 set if Reg --> Regmem; 886 unset if Regmem --> Reg. */ 887#define Opcode_FloatR 0x8 /* Bit to swap src/dest for float insns. */ 888#define Opcode_FloatD 0x400 /* Direction bit for float insns. */ 889#define Opcode_SIMD_FloatD 0x1 /* Direction bit for SIMD fp insns. */ 890#define Opcode_SIMD_IntD 0x10 /* Direction bit for SIMD int insns. */ 891 892/* Pseudo prefixes. */ 893#define Prefix_Disp8 0 /* {disp8} */ 894#define Prefix_Disp16 1 /* {disp16} */ 895#define Prefix_Disp32 2 /* {disp32} */ 896#define Prefix_Load 3 /* {load} */ 897#define Prefix_Store 4 /* {store} */ 898#define Prefix_VEX 5 /* {vex} */ 899#define Prefix_VEX3 6 /* {vex3} */ 900#define Prefix_EVEX 7 /* {evex} */ 901#define Prefix_REX 8 /* {rex} */ 902#define Prefix_NoOptimize 9 /* {nooptimize} */ 903 904 /* extension_opcode is the 3 bit extension for group <n> insns. 905 This field is also used to store the 8-bit opcode suffix for the 906 AMD 3DNow! instructions. 907 If this template has no extension opcode (the usual case) use None 908 Instructions */ 909 unsigned short extension_opcode; 910#define None 0xffff /* If no extension_opcode is possible. */ 911 912 /* Opcode length. */ 913 unsigned char opcode_length; 914 915 /* how many operands */ 916 unsigned char operands; 917 918 /* cpu feature flags */ 919 i386_cpu_flags cpu_flags; 920 921 /* the bits in opcode_modifier are used to generate the final opcode from 922 the base_opcode. These bits also are used to detect alternate forms of 923 the same instruction */ 924 i386_opcode_modifier opcode_modifier; 925 926 /* operand_types[i] describes the type of operand i. This is made 927 by OR'ing together all of the possible type masks. (e.g. 928 'operand_types[i] = Reg|Imm' specifies that operand i can be 929 either a register or an immediate operand. */ 930 i386_operand_type operand_types[MAX_OPERANDS]; 931} 932insn_template; 933 934extern const insn_template i386_optab[]; 935 936/* these are for register name --> number & type hash lookup */ 937typedef struct 938{ 939 const char *reg_name; 940 i386_operand_type reg_type; 941 unsigned char reg_flags; 942#define RegRex 0x1 /* Extended register. */ 943#define RegRex64 0x2 /* Extended 8 bit register. */ 944#define RegVRex 0x4 /* Extended vector register. */ 945 unsigned char reg_num; 946#define RegIP ((unsigned char ) ~0) 947/* EIZ and RIZ are fake index registers. */ 948#define RegIZ (RegIP - 1) 949/* FLAT is a fake segment register (Intel mode). */ 950#define RegFlat ((unsigned char) ~0) 951 signed char dw2_regnum[2]; 952#define Dw2Inval (-1) 953} 954reg_entry; 955 956/* Entries in i386_regtab. */ 957#define REGNAM_AL 1 958#define REGNAM_AX 25 959#define REGNAM_EAX 41 960 961extern const reg_entry i386_regtab[]; 962extern const unsigned int i386_regtab_size; 963 964typedef struct 965{ 966 char *seg_name; 967 unsigned int seg_prefix; 968} 969seg_entry; 970 971extern const seg_entry cs; 972extern const seg_entry ds; 973extern const seg_entry ss; 974extern const seg_entry es; 975extern const seg_entry fs; 976extern const seg_entry gs; 977