1 2 /*---------------------------------------------------------------*/ 3 /*--- begin host_x86_defs.h ---*/ 4 /*---------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2004-2017 OpenWorks LLP 11 info (at) open-works.net 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 26 02110-1301, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 30 Neither the names of the U.S. Department of Energy nor the 31 University of California nor the names of its contributors may be 32 used to endorse or promote products derived from this software 33 without prior written permission. 34 */ 35 36 #ifndef __VEX_HOST_X86_DEFS_H 37 #define __VEX_HOST_X86_DEFS_H 38 39 #include "libvex_basictypes.h" 40 #include "libvex.h" // VexArch 41 #include "host_generic_regs.h" // HReg 42 43 /* --------- Registers. --------- */ 44 45 /* The usual HReg abstraction. There are 8 real int regs, 46 6 real float regs, and 8 real vector regs. 47 */ 48 49 #define ST_IN static inline 50 ST_IN HReg hregX86_EAX ( void ) { return mkHReg(False, HRcInt32, 0, 0); } 51 ST_IN HReg hregX86_EBX ( void ) { return mkHReg(False, HRcInt32, 3, 1); } 52 ST_IN HReg hregX86_ECX ( void ) { return mkHReg(False, HRcInt32, 1, 2); } 53 ST_IN HReg hregX86_EDX ( void ) { return mkHReg(False, HRcInt32, 2, 3); } 54 ST_IN HReg hregX86_ESI ( void ) { return mkHReg(False, HRcInt32, 6, 4); } 55 ST_IN HReg hregX86_EDI ( void ) { return mkHReg(False, HRcInt32, 7, 5); } 56 57 ST_IN HReg hregX86_FAKE0 ( void ) { return mkHReg(False, HRcFlt64, 0, 6); } 58 ST_IN HReg hregX86_FAKE1 ( void ) { return mkHReg(False, HRcFlt64, 1, 7); } 59 ST_IN HReg hregX86_FAKE2 ( void ) { return mkHReg(False, HRcFlt64, 2, 8); } 60 ST_IN HReg hregX86_FAKE3 ( void ) { return mkHReg(False, HRcFlt64, 3, 9); } 61 ST_IN HReg hregX86_FAKE4 ( void ) { return mkHReg(False, HRcFlt64, 4, 10); } 62 ST_IN HReg hregX86_FAKE5 ( void ) { return mkHReg(False, HRcFlt64, 5, 11); } 63 64 ST_IN HReg hregX86_XMM0 ( void ) { return mkHReg(False, HRcVec128, 0, 12); } 65 ST_IN HReg hregX86_XMM1 ( void ) { return mkHReg(False, HRcVec128, 1, 13); } 66 ST_IN HReg hregX86_XMM2 ( void ) { return mkHReg(False, HRcVec128, 2, 14); } 67 ST_IN HReg hregX86_XMM3 ( void ) { return mkHReg(False, HRcVec128, 3, 15); } 68 ST_IN HReg hregX86_XMM4 ( void ) { return mkHReg(False, HRcVec128, 4, 16); } 69 ST_IN HReg hregX86_XMM5 ( void ) { return mkHReg(False, HRcVec128, 5, 17); } 70 ST_IN HReg hregX86_XMM6 ( void ) { return mkHReg(False, HRcVec128, 6, 18); } 71 ST_IN HReg hregX86_XMM7 ( void ) { return mkHReg(False, HRcVec128, 7, 19); } 72 73 ST_IN HReg hregX86_ESP ( void ) { return mkHReg(False, HRcInt32, 4, 20); } 74 ST_IN HReg hregX86_EBP ( void ) { return mkHReg(False, HRcInt32, 5, 21); } 75 #undef ST_IN 76 77 extern void ppHRegX86 ( HReg ); 78 79 80 /* --------- Condition codes, Intel encoding. --------- */ 81 82 typedef 83 enum { 84 Xcc_O = 0, /* overflow */ 85 Xcc_NO = 1, /* no overflow */ 86 87 Xcc_B = 2, /* below */ 88 Xcc_NB = 3, /* not below */ 89 90 Xcc_Z = 4, /* zero */ 91 Xcc_NZ = 5, /* not zero */ 92 93 Xcc_BE = 6, /* below or equal */ 94 Xcc_NBE = 7, /* not below or equal */ 95 96 Xcc_S = 8, /* negative */ 97 Xcc_NS = 9, /* not negative */ 98 99 Xcc_P = 10, /* parity even */ 100 Xcc_NP = 11, /* not parity even */ 101 102 Xcc_L = 12, /* jump less */ 103 Xcc_NL = 13, /* not less */ 104 105 Xcc_LE = 14, /* less or equal */ 106 Xcc_NLE = 15, /* not less or equal */ 107 108 Xcc_ALWAYS = 16 /* the usual hack */ 109 } 110 X86CondCode; 111 112 extern const HChar* showX86CondCode ( X86CondCode ); 113 114 115 /* --------- Memory address expressions (amodes). --------- */ 116 117 typedef 118 enum { 119 Xam_IR, /* Immediate + Reg */ 120 Xam_IRRS /* Immediate + Reg1 + (Reg2 << Shift) */ 121 } 122 X86AModeTag; 123 124 typedef 125 struct { 126 X86AModeTag tag; 127 union { 128 struct { 129 UInt imm; 130 HReg reg; 131 } IR; 132 struct { 133 UInt imm; 134 HReg base; 135 HReg index; 136 Int shift; /* 0, 1, 2 or 3 only */ 137 } IRRS; 138 } Xam; 139 } 140 X86AMode; 141 142 extern X86AMode* X86AMode_IR ( UInt, HReg ); 143 extern X86AMode* X86AMode_IRRS ( UInt, HReg, HReg, Int ); 144 145 extern X86AMode* dopyX86AMode ( X86AMode* ); 146 147 extern void ppX86AMode ( X86AMode* ); 148 149 150 /* --------- Operand, which can be reg, immediate or memory. --------- */ 151 152 typedef 153 enum { 154 Xrmi_Imm, 155 Xrmi_Reg, 156 Xrmi_Mem 157 } 158 X86RMITag; 159 160 typedef 161 struct { 162 X86RMITag tag; 163 union { 164 struct { 165 UInt imm32; 166 } Imm; 167 struct { 168 HReg reg; 169 } Reg; 170 struct { 171 X86AMode* am; 172 } Mem; 173 } 174 Xrmi; 175 } 176 X86RMI; 177 178 extern X86RMI* X86RMI_Imm ( UInt ); 179 extern X86RMI* X86RMI_Reg ( HReg ); 180 extern X86RMI* X86RMI_Mem ( X86AMode* ); 181 182 extern void ppX86RMI ( X86RMI* ); 183 184 185 /* --------- Operand, which can be reg or immediate only. --------- */ 186 187 typedef 188 enum { 189 Xri_Imm, 190 Xri_Reg 191 } 192 X86RITag; 193 194 typedef 195 struct { 196 X86RITag tag; 197 union { 198 struct { 199 UInt imm32; 200 } Imm; 201 struct { 202 HReg reg; 203 } Reg; 204 } 205 Xri; 206 } 207 X86RI; 208 209 extern X86RI* X86RI_Imm ( UInt ); 210 extern X86RI* X86RI_Reg ( HReg ); 211 212 extern void ppX86RI ( X86RI* ); 213 214 215 /* --------- Operand, which can be reg or memory only. --------- */ 216 217 typedef 218 enum { 219 Xrm_Reg, 220 Xrm_Mem 221 } 222 X86RMTag; 223 224 typedef 225 struct { 226 X86RMTag tag; 227 union { 228 struct { 229 HReg reg; 230 } Reg; 231 struct { 232 X86AMode* am; 233 } Mem; 234 } 235 Xrm; 236 } 237 X86RM; 238 239 extern X86RM* X86RM_Reg ( HReg ); 240 extern X86RM* X86RM_Mem ( X86AMode* ); 241 242 extern void ppX86RM ( X86RM* ); 243 244 245 /* --------- Instructions. --------- */ 246 247 /* --------- */ 248 typedef 249 enum { 250 Xun_NEG, 251 Xun_NOT 252 } 253 X86UnaryOp; 254 255 extern const HChar* showX86UnaryOp ( X86UnaryOp ); 256 257 258 /* --------- */ 259 typedef 260 enum { 261 Xalu_INVALID, 262 Xalu_MOV, 263 Xalu_CMP, 264 Xalu_ADD, Xalu_SUB, Xalu_ADC, Xalu_SBB, 265 Xalu_AND, Xalu_OR, Xalu_XOR, 266 Xalu_MUL 267 } 268 X86AluOp; 269 270 extern const HChar* showX86AluOp ( X86AluOp ); 271 272 273 /* --------- */ 274 typedef 275 enum { 276 Xsh_INVALID, 277 Xsh_SHL, Xsh_SHR, Xsh_SAR 278 } 279 X86ShiftOp; 280 281 extern const HChar* showX86ShiftOp ( X86ShiftOp ); 282 283 284 /* --------- */ 285 typedef 286 enum { 287 Xfp_INVALID, 288 /* Binary */ 289 Xfp_ADD, Xfp_SUB, Xfp_MUL, Xfp_DIV, 290 Xfp_SCALE, Xfp_ATAN, Xfp_YL2X, Xfp_YL2XP1, Xfp_PREM, Xfp_PREM1, 291 /* Unary */ 292 Xfp_SQRT, Xfp_ABS, Xfp_NEG, Xfp_MOV, Xfp_SIN, Xfp_COS, Xfp_TAN, 293 Xfp_ROUND, Xfp_2XM1 294 } 295 X86FpOp; 296 297 extern const HChar* showX86FpOp ( X86FpOp ); 298 299 300 /* --------- */ 301 typedef 302 enum { 303 Xsse_INVALID, 304 /* mov */ 305 Xsse_MOV, 306 /* Floating point binary */ 307 Xsse_ADDF, Xsse_SUBF, Xsse_MULF, Xsse_DIVF, 308 Xsse_MAXF, Xsse_MINF, 309 Xsse_CMPEQF, Xsse_CMPLTF, Xsse_CMPLEF, Xsse_CMPUNF, 310 /* Floating point unary */ 311 Xsse_RCPF, Xsse_RSQRTF, Xsse_SQRTF, 312 /* Bitwise */ 313 Xsse_AND, Xsse_OR, Xsse_XOR, Xsse_ANDN, 314 /* Integer binary */ 315 Xsse_ADD8, Xsse_ADD16, Xsse_ADD32, Xsse_ADD64, 316 Xsse_QADD8U, Xsse_QADD16U, 317 Xsse_QADD8S, Xsse_QADD16S, 318 Xsse_SUB8, Xsse_SUB16, Xsse_SUB32, Xsse_SUB64, 319 Xsse_QSUB8U, Xsse_QSUB16U, 320 Xsse_QSUB8S, Xsse_QSUB16S, 321 Xsse_MUL16, 322 Xsse_MULHI16U, 323 Xsse_MULHI16S, 324 Xsse_AVG8U, Xsse_AVG16U, 325 Xsse_MAX16S, 326 Xsse_MAX8U, 327 Xsse_MIN16S, 328 Xsse_MIN8U, 329 Xsse_CMPEQ8, Xsse_CMPEQ16, Xsse_CMPEQ32, 330 Xsse_CMPGT8S, Xsse_CMPGT16S, Xsse_CMPGT32S, 331 Xsse_SHL16, Xsse_SHL32, Xsse_SHL64, 332 Xsse_SHR16, Xsse_SHR32, Xsse_SHR64, 333 Xsse_SAR16, Xsse_SAR32, 334 Xsse_PACKSSD, Xsse_PACKSSW, Xsse_PACKUSW, 335 Xsse_UNPCKHB, Xsse_UNPCKHW, Xsse_UNPCKHD, Xsse_UNPCKHQ, 336 Xsse_UNPCKLB, Xsse_UNPCKLW, Xsse_UNPCKLD, Xsse_UNPCKLQ 337 } 338 X86SseOp; 339 340 extern const HChar* showX86SseOp ( X86SseOp ); 341 342 343 /* --------- */ 344 typedef 345 enum { 346 Xin_Alu32R, /* 32-bit mov/arith/logical, dst=REG */ 347 Xin_Alu32M, /* 32-bit mov/arith/logical, dst=MEM */ 348 Xin_Sh32, /* 32-bit shift/rotate, dst=REG */ 349 Xin_Test32, /* 32-bit test of REG or MEM against imm32 (AND, set 350 flags, discard result) */ 351 Xin_Unary32, /* 32-bit not and neg */ 352 Xin_Lea32, /* 32-bit compute EA into a reg */ 353 Xin_MulL, /* 32 x 32 -> 64 multiply */ 354 Xin_Div, /* 64/32 -> (32,32) div and mod */ 355 Xin_Sh3232, /* shldl or shrdl */ 356 Xin_Push, /* push (32-bit?) value on stack */ 357 Xin_Call, /* call to address in register */ 358 Xin_XDirect, /* direct transfer to GA */ 359 Xin_XIndir, /* indirect transfer to GA */ 360 Xin_XAssisted, /* assisted transfer to GA */ 361 Xin_CMov32, /* conditional move */ 362 Xin_LoadEX, /* mov{s,z}{b,w}l from mem to reg */ 363 Xin_Store, /* store 16/8 bit value in memory */ 364 Xin_Set32, /* convert condition code to 32-bit value */ 365 Xin_Bsfr32, /* 32-bit bsf/bsr */ 366 Xin_MFence, /* mem fence (not just sse2, but sse0 and 1/mmxext too) */ 367 Xin_ACAS, /* 8/16/32-bit lock;cmpxchg */ 368 Xin_DACAS, /* lock;cmpxchg8b (doubleword ACAS, 2 x 32-bit only) */ 369 370 Xin_FpUnary, /* FP fake unary op */ 371 Xin_FpBinary, /* FP fake binary op */ 372 Xin_FpLdSt, /* FP fake load/store */ 373 Xin_FpLdStI, /* FP fake load/store, converting to/from Int */ 374 Xin_Fp64to32, /* FP round IEEE754 double to IEEE754 single */ 375 Xin_FpCMov, /* FP fake floating point conditional move */ 376 Xin_FpLdCW, /* fldcw */ 377 Xin_FpStSW_AX, /* fstsw %ax */ 378 Xin_FpCmp, /* FP compare, generating a C320 value into int reg */ 379 380 Xin_SseConst, /* Generate restricted SSE literal */ 381 Xin_SseLdSt, /* SSE load/store, no alignment constraints */ 382 Xin_SseLdzLO, /* SSE load low 32/64 bits, zero remainder of reg */ 383 Xin_Sse32Fx4, /* SSE binary, 32Fx4 */ 384 Xin_Sse32FLo, /* SSE binary, 32F in lowest lane only */ 385 Xin_Sse64Fx2, /* SSE binary, 64Fx2 */ 386 Xin_Sse64FLo, /* SSE binary, 64F in lowest lane only */ 387 Xin_SseReRg, /* SSE binary general reg-reg, Re, Rg */ 388 Xin_SseCMov, /* SSE conditional move */ 389 Xin_SseShuf, /* SSE2 shuffle (pshufd) */ 390 Xin_EvCheck, /* Event check */ 391 Xin_ProfInc /* 64-bit profile counter increment */ 392 } 393 X86InstrTag; 394 395 /* Destinations are on the RIGHT (second operand) */ 396 397 typedef 398 struct { 399 X86InstrTag tag; 400 union { 401 struct { 402 X86AluOp op; 403 X86RMI* src; 404 HReg dst; 405 } Alu32R; 406 struct { 407 X86AluOp op; 408 X86RI* src; 409 X86AMode* dst; 410 } Alu32M; 411 struct { 412 X86ShiftOp op; 413 UInt src; /* shift amount, or 0 means %cl */ 414 HReg dst; 415 } Sh32; 416 struct { 417 UInt imm32; 418 X86RM* dst; /* not written, only read */ 419 } Test32; 420 /* Not and Neg */ 421 struct { 422 X86UnaryOp op; 423 HReg dst; 424 } Unary32; 425 /* 32-bit compute EA into a reg */ 426 struct { 427 X86AMode* am; 428 HReg dst; 429 } Lea32; 430 /* EDX:EAX = EAX *s/u r/m32 */ 431 struct { 432 Bool syned; 433 X86RM* src; 434 } MulL; 435 /* x86 div/idiv instruction. Modifies EDX and EAX and reads src. */ 436 struct { 437 Bool syned; 438 X86RM* src; 439 } Div; 440 /* shld/shrd. op may only be Xsh_SHL or Xsh_SHR */ 441 struct { 442 X86ShiftOp op; 443 UInt amt; /* shift amount, or 0 means %cl */ 444 HReg src; 445 HReg dst; 446 } Sh3232; 447 struct { 448 X86RMI* src; 449 } Push; 450 /* Pseudo-insn. Call target (an absolute address), on given 451 condition (which could be Xcc_ALWAYS). */ 452 struct { 453 X86CondCode cond; 454 Addr32 target; 455 Int regparms; /* 0 .. 3 */ 456 RetLoc rloc; /* where the return value will be */ 457 } Call; 458 /* Update the guest EIP value, then exit requesting to chain 459 to it. May be conditional. Urr, use of Addr32 implicitly 460 assumes that wordsize(guest) == wordsize(host). */ 461 struct { 462 Addr32 dstGA; /* next guest address */ 463 X86AMode* amEIP; /* amode in guest state for EIP */ 464 X86CondCode cond; /* can be Xcc_ALWAYS */ 465 Bool toFastEP; /* chain to the slow or fast point? */ 466 } XDirect; 467 /* Boring transfer to a guest address not known at JIT time. 468 Not chainable. May be conditional. */ 469 struct { 470 HReg dstGA; 471 X86AMode* amEIP; 472 X86CondCode cond; /* can be Xcc_ALWAYS */ 473 } XIndir; 474 /* Assisted transfer to a guest address, most general case. 475 Not chainable. May be conditional. */ 476 struct { 477 HReg dstGA; 478 X86AMode* amEIP; 479 X86CondCode cond; /* can be Xcc_ALWAYS */ 480 IRJumpKind jk; 481 } XAssisted; 482 /* Mov src to dst on the given condition, which may not 483 be the bogus Xcc_ALWAYS. */ 484 struct { 485 X86CondCode cond; 486 X86RM* src; 487 HReg dst; 488 } CMov32; 489 /* Sign/Zero extending loads. Dst size is always 32 bits. */ 490 struct { 491 UChar szSmall; 492 Bool syned; 493 X86AMode* src; 494 HReg dst; 495 } LoadEX; 496 /* 16/8 bit stores, which are troublesome (particularly 497 8-bit) */ 498 struct { 499 UChar sz; /* only 1 or 2 */ 500 HReg src; 501 X86AMode* dst; 502 } Store; 503 /* Convert a x86 condition code to a 32-bit value (0 or 1). */ 504 struct { 505 X86CondCode cond; 506 HReg dst; 507 } Set32; 508 /* 32-bit bsf or bsr. */ 509 struct { 510 Bool isFwds; 511 HReg src; 512 HReg dst; 513 } Bsfr32; 514 /* Mem fence (not just sse2, but sse0 and sse1/mmxext too). 515 In short, an insn which flushes all preceding loads and 516 stores as much as possible before continuing. On SSE2 517 we emit a real "mfence", on SSE1 or the MMXEXT subset 518 "sfence ; lock addl $0,0(%esp)" and on SSE0 519 "lock addl $0,0(%esp)". This insn therefore carries the 520 host's hwcaps so the assembler knows what to emit. */ 521 struct { 522 UInt hwcaps; 523 } MFence; 524 /* "lock;cmpxchg": mem address in .addr, 525 expected value in %eax, new value in %ebx */ 526 struct { 527 X86AMode* addr; 528 UChar sz; /* 1, 2 or 4 */ 529 } ACAS; 530 /* "lock;cmpxchg8b": mem address in .addr, expected value in 531 %edx:%eax, new value in %ecx:%ebx */ 532 struct { 533 X86AMode* addr; 534 } DACAS; 535 536 /* X86 Floating point (fake 3-operand, "flat reg file" insns) */ 537 struct { 538 X86FpOp op; 539 HReg src; 540 HReg dst; 541 } FpUnary; 542 struct { 543 X86FpOp op; 544 HReg srcL; 545 HReg srcR; 546 HReg dst; 547 } FpBinary; 548 struct { 549 Bool isLoad; 550 UChar sz; /* only 4 (IEEE single) or 8 (IEEE double) */ 551 HReg reg; 552 X86AMode* addr; 553 } FpLdSt; 554 /* Move 64-bit float to/from memory, converting to/from 555 signed int on the way. Note the conversions will observe 556 the host FPU rounding mode currently in force. */ 557 struct { 558 Bool isLoad; 559 UChar sz; /* only 2, 4 or 8 */ 560 HReg reg; 561 X86AMode* addr; 562 } FpLdStI; 563 /* By observing the current FPU rounding mode, round (etc) 564 src into dst given that dst should be interpreted as an 565 IEEE754 32-bit (float) type. */ 566 struct { 567 HReg src; 568 HReg dst; 569 } Fp64to32; 570 /* Mov src to dst on the given condition, which may not 571 be the bogus Xcc_ALWAYS. */ 572 struct { 573 X86CondCode cond; 574 HReg src; 575 HReg dst; 576 } FpCMov; 577 /* Load the FPU's 16-bit control word (fldcw) */ 578 struct { 579 X86AMode* addr; 580 } 581 FpLdCW; 582 /* fstsw %ax */ 583 struct { 584 /* no fields */ 585 } 586 FpStSW_AX; 587 /* Do a compare, generating the C320 bits into the dst. */ 588 struct { 589 HReg srcL; 590 HReg srcR; 591 HReg dst; 592 } FpCmp; 593 594 /* Simplistic SSE[123] */ 595 struct { 596 UShort con; 597 HReg dst; 598 } SseConst; 599 struct { 600 Bool isLoad; 601 HReg reg; 602 X86AMode* addr; 603 } SseLdSt; 604 struct { 605 UChar sz; /* 4 or 8 only */ 606 HReg reg; 607 X86AMode* addr; 608 } SseLdzLO; 609 struct { 610 X86SseOp op; 611 HReg src; 612 HReg dst; 613 } Sse32Fx4; 614 struct { 615 X86SseOp op; 616 HReg src; 617 HReg dst; 618 } Sse32FLo; 619 struct { 620 X86SseOp op; 621 HReg src; 622 HReg dst; 623 } Sse64Fx2; 624 struct { 625 X86SseOp op; 626 HReg src; 627 HReg dst; 628 } Sse64FLo; 629 struct { 630 X86SseOp op; 631 HReg src; 632 HReg dst; 633 } SseReRg; 634 /* Mov src to dst on the given condition, which may not 635 be the bogus Xcc_ALWAYS. */ 636 struct { 637 X86CondCode cond; 638 HReg src; 639 HReg dst; 640 } SseCMov; 641 struct { 642 Int order; /* 0 <= order <= 0xFF */ 643 HReg src; 644 HReg dst; 645 } SseShuf; 646 struct { 647 X86AMode* amCounter; 648 X86AMode* amFailAddr; 649 } EvCheck; 650 struct { 651 /* No fields. The address of the counter to inc is 652 installed later, post-translation, by patching it in, 653 as it is not known at translation time. */ 654 } ProfInc; 655 656 } Xin; 657 } 658 X86Instr; 659 660 extern X86Instr* X86Instr_Alu32R ( X86AluOp, X86RMI*, HReg ); 661 extern X86Instr* X86Instr_Alu32M ( X86AluOp, X86RI*, X86AMode* ); 662 extern X86Instr* X86Instr_Unary32 ( X86UnaryOp op, HReg dst ); 663 extern X86Instr* X86Instr_Lea32 ( X86AMode* am, HReg dst ); 664 665 extern X86Instr* X86Instr_Sh32 ( X86ShiftOp, UInt, HReg ); 666 extern X86Instr* X86Instr_Test32 ( UInt imm32, X86RM* dst ); 667 extern X86Instr* X86Instr_MulL ( Bool syned, X86RM* ); 668 extern X86Instr* X86Instr_Div ( Bool syned, X86RM* ); 669 extern X86Instr* X86Instr_Sh3232 ( X86ShiftOp, UInt amt, HReg src, HReg dst ); 670 extern X86Instr* X86Instr_Push ( X86RMI* ); 671 extern X86Instr* X86Instr_Call ( X86CondCode, Addr32, Int, RetLoc ); 672 extern X86Instr* X86Instr_XDirect ( Addr32 dstGA, X86AMode* amEIP, 673 X86CondCode cond, Bool toFastEP ); 674 extern X86Instr* X86Instr_XIndir ( HReg dstGA, X86AMode* amEIP, 675 X86CondCode cond ); 676 extern X86Instr* X86Instr_XAssisted ( HReg dstGA, X86AMode* amEIP, 677 X86CondCode cond, IRJumpKind jk ); 678 extern X86Instr* X86Instr_CMov32 ( X86CondCode, X86RM* src, HReg dst ); 679 extern X86Instr* X86Instr_LoadEX ( UChar szSmall, Bool syned, 680 X86AMode* src, HReg dst ); 681 extern X86Instr* X86Instr_Store ( UChar sz, HReg src, X86AMode* dst ); 682 extern X86Instr* X86Instr_Set32 ( X86CondCode cond, HReg dst ); 683 extern X86Instr* X86Instr_Bsfr32 ( Bool isFwds, HReg src, HReg dst ); 684 extern X86Instr* X86Instr_MFence ( UInt hwcaps ); 685 extern X86Instr* X86Instr_ACAS ( X86AMode* addr, UChar sz ); 686 extern X86Instr* X86Instr_DACAS ( X86AMode* addr ); 687 688 extern X86Instr* X86Instr_FpUnary ( X86FpOp op, HReg src, HReg dst ); 689 extern X86Instr* X86Instr_FpBinary ( X86FpOp op, HReg srcL, HReg srcR, HReg dst ); 690 extern X86Instr* X86Instr_FpLdSt ( Bool isLoad, UChar sz, HReg reg, X86AMode* ); 691 extern X86Instr* X86Instr_FpLdStI ( Bool isLoad, UChar sz, HReg reg, X86AMode* ); 692 extern X86Instr* X86Instr_Fp64to32 ( HReg src, HReg dst ); 693 extern X86Instr* X86Instr_FpCMov ( X86CondCode, HReg src, HReg dst ); 694 extern X86Instr* X86Instr_FpLdCW ( X86AMode* ); 695 extern X86Instr* X86Instr_FpStSW_AX ( void ); 696 extern X86Instr* X86Instr_FpCmp ( HReg srcL, HReg srcR, HReg dst ); 697 698 extern X86Instr* X86Instr_SseConst ( UShort con, HReg dst ); 699 extern X86Instr* X86Instr_SseLdSt ( Bool isLoad, HReg, X86AMode* ); 700 extern X86Instr* X86Instr_SseLdzLO ( Int sz, HReg, X86AMode* ); 701 extern X86Instr* X86Instr_Sse32Fx4 ( X86SseOp, HReg, HReg ); 702 extern X86Instr* X86Instr_Sse32FLo ( X86SseOp, HReg, HReg ); 703 extern X86Instr* X86Instr_Sse64Fx2 ( X86SseOp, HReg, HReg ); 704 extern X86Instr* X86Instr_Sse64FLo ( X86SseOp, HReg, HReg ); 705 extern X86Instr* X86Instr_SseReRg ( X86SseOp, HReg, HReg ); 706 extern X86Instr* X86Instr_SseCMov ( X86CondCode, HReg src, HReg dst ); 707 extern X86Instr* X86Instr_SseShuf ( Int order, HReg src, HReg dst ); 708 extern X86Instr* X86Instr_EvCheck ( X86AMode* amCounter, 709 X86AMode* amFailAddr ); 710 extern X86Instr* X86Instr_ProfInc ( void ); 711 712 713 extern void ppX86Instr ( const X86Instr*, Bool ); 714 715 /* Some functions that insulate the register allocator from details 716 of the underlying instruction set. */ 717 extern void getRegUsage_X86Instr ( HRegUsage*, const X86Instr*, Bool ); 718 extern void mapRegs_X86Instr ( HRegRemap*, X86Instr*, Bool ); 719 extern Bool isMove_X86Instr ( const X86Instr*, HReg*, HReg* ); 720 extern Int emit_X86Instr ( /*MB_MOD*/Bool* is_profInc, 721 UChar* buf, Int nbuf, const X86Instr* i, 722 Bool mode64, 723 VexEndness endness_host, 724 const void* disp_cp_chain_me_to_slowEP, 725 const void* disp_cp_chain_me_to_fastEP, 726 const void* disp_cp_xindir, 727 const void* disp_cp_xassisted ); 728 729 extern void genSpill_X86 ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, 730 HReg rreg, Int offset, Bool ); 731 extern void genReload_X86 ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, 732 HReg rreg, Int offset, Bool ); 733 734 extern X86Instr* directReload_X86 ( X86Instr* i, HReg vreg, Short spill_off ); 735 736 extern const RRegUniverse* getRRegUniverse_X86 ( void ); 737 738 extern HInstrArray* iselSB_X86 ( const IRSB*, 739 VexArch, 740 const VexArchInfo*, 741 const VexAbiInfo*, 742 Int offs_Host_EvC_Counter, 743 Int offs_Host_EvC_FailAddr, 744 Bool chainingAllowed, 745 Bool addProfInc, 746 Addr max_ga ); 747 748 /* How big is an event check? This is kind of a kludge because it 749 depends on the offsets of host_EvC_FAILADDR and host_EvC_COUNTER, 750 and so assumes that they are both <= 128, and so can use the short 751 offset encoding. This is all checked with assertions, so in the 752 worst case we will merely assert at startup. */ 753 extern Int evCheckSzB_X86 (void); 754 755 /* Perform a chaining and unchaining of an XDirect jump. */ 756 extern VexInvalRange chainXDirect_X86 ( VexEndness endness_host, 757 void* place_to_chain, 758 const void* disp_cp_chain_me_EXPECTED, 759 const void* place_to_jump_to ); 760 761 extern VexInvalRange unchainXDirect_X86 ( VexEndness endness_host, 762 void* place_to_unchain, 763 const void* place_to_jump_to_EXPECTED, 764 const void* disp_cp_chain_me ); 765 766 /* Patch the counter location into an existing ProfInc point. */ 767 extern VexInvalRange patchProfInc_X86 ( VexEndness endness_host, 768 void* place_to_patch, 769 const ULong* location_of_counter ); 770 771 772 #endif /* ndef __VEX_HOST_X86_DEFS_H */ 773 774 /*---------------------------------------------------------------*/ 775 /*--- end host_x86_defs.h ---*/ 776 /*---------------------------------------------------------------*/ 777
