1 pub mod encode { 2 use crate::{CodeSink, inst}; 3 4 /// `NOP` 5 pub fn nop_1b(_: &inst::nop_1b, buf: &mut impl CodeSink) { 6 buf.put1(0x90); 7 } 8 9 /// `66 NOP` 10 pub fn nop_2b(_: &inst::nop_2b, buf: &mut impl CodeSink) { 11 buf.put1(0x66); 12 buf.put1(0x90); 13 } 14 15 /// `NOP DWORD ptr [EAX]` 16 pub fn nop_3b(_: &inst::nop_3b, buf: &mut impl CodeSink) { 17 buf.put1(0x0F); 18 buf.put1(0x1F); 19 buf.put1(0x00); 20 } 21 22 /// `NOP DWORD ptr [EAX + 00H]` 23 pub fn nop_4b(_: &inst::nop_4b, buf: &mut impl CodeSink) { 24 buf.put1(0x0F); 25 buf.put1(0x1F); 26 buf.put1(0x40); 27 buf.put1(0x00); 28 } 29 30 /// `NOP DWORD ptr [EAX + EAX*1 + 00H]` 31 pub fn nop_5b(_: &inst::nop_5b, buf: &mut impl CodeSink) { 32 buf.put1(0x0F); 33 buf.put1(0x1F); 34 buf.put1(0x44); 35 buf.put2(0x00_00); 36 } 37 38 /// `66 NOP DWORD ptr [EAX + EAX*1 + 00H]` 39 pub fn nop_6b(_: &inst::nop_6b, buf: &mut impl CodeSink) { 40 buf.put1(0x66); 41 buf.put1(0x0F); 42 buf.put1(0x1F); 43 buf.put1(0x44); 44 buf.put2(0x00_00); 45 } 46 47 /// `NOP DWORD ptr [EAX + 00000000H]` 48 pub fn nop_7b(_: &inst::nop_7b, buf: &mut impl CodeSink) { 49 buf.put1(0x0F); 50 buf.put1(0x1F); 51 buf.put1(0x80); 52 buf.put4(0x00_00_00_00); 53 } 54 55 /// `NOP DWORD ptr [EAX + EAX*1 + 00000000H]` 56 pub fn nop_8b(_: &inst::nop_8b, buf: &mut impl CodeSink) { 57 buf.put1(0x0F); 58 buf.put1(0x1F); 59 buf.put1(0x84); 60 buf.put1(0x00); 61 buf.put4(0x00_00_00_00); 62 } 63 64 /// `66 NOP DWORD ptr [EAX + EAX*1 + 00000000H]` 65 pub fn nop_9b(_: &inst::nop_9b, buf: &mut impl CodeSink) { 66 buf.put1(0x66); 67 buf.put1(0x0F); 68 buf.put1(0x1F); 69 buf.put1(0x84); 70 buf.put1(0x00); 71 buf.put4(0x00_00_00_00); 72 } 73 } 74 75 pub mod mnemonic { 76 use crate::inst; 77 use crate::{Registers, XmmMem}; 78 use std::borrow::Cow; 79 80 macro_rules! lock { 81 ($name:tt => $mnemonic:expr) => { 82 pub fn $name<R: Registers>(_: &inst::$name<R>) -> Cow<'static, str> { 83 Cow::Borrowed(concat!("lock ", $mnemonic)) 84 } 85 }; 86 } 87 88 lock!(lock_addb_mi => "addb"); 89 lock!(lock_addw_mi => "addw"); 90 lock!(lock_addl_mi => "addl"); 91 lock!(lock_addq_mi_sxl => "addq"); 92 lock!(lock_addl_mi_sxb => "addl"); 93 lock!(lock_addq_mi_sxb => "addq"); 94 lock!(lock_addb_mr => "addb"); 95 lock!(lock_addw_mr => "addw"); 96 lock!(lock_addl_mr => "addl"); 97 lock!(lock_addq_mr => "addq"); 98 99 lock!(lock_adcb_mi => "adcb"); 100 lock!(lock_adcw_mi => "adcw"); 101 lock!(lock_adcl_mi => "adcl"); 102 lock!(lock_adcq_mi_sxl => "adcq"); 103 lock!(lock_adcl_mi_sxb => "adcl"); 104 lock!(lock_adcq_mi_sxb => "adcq"); 105 lock!(lock_adcb_mr => "adcb"); 106 lock!(lock_adcw_mr => "adcw"); 107 lock!(lock_adcl_mr => "adcl"); 108 lock!(lock_adcq_mr => "adcq"); 109 110 lock!(lock_subb_mi => "subb"); 111 lock!(lock_subw_mi => "subw"); 112 lock!(lock_subl_mi => "subl"); 113 lock!(lock_subq_mi_sxl => "subq"); 114 lock!(lock_subl_mi_sxb => "subl"); 115 lock!(lock_subq_mi_sxb => "subq"); 116 lock!(lock_subb_mr => "subb"); 117 lock!(lock_subw_mr => "subw"); 118 lock!(lock_subl_mr => "subl"); 119 lock!(lock_subq_mr => "subq"); 120 121 lock!(lock_sbbb_mi => "sbbb"); 122 lock!(lock_sbbw_mi => "sbbw"); 123 lock!(lock_sbbl_mi => "sbbl"); 124 lock!(lock_sbbq_mi_sxl => "sbbq"); 125 lock!(lock_sbbl_mi_sxb => "sbbl"); 126 lock!(lock_sbbq_mi_sxb => "sbbq"); 127 lock!(lock_sbbb_mr => "sbbb"); 128 lock!(lock_sbbw_mr => "sbbw"); 129 lock!(lock_sbbl_mr => "sbbl"); 130 lock!(lock_sbbq_mr => "sbbq"); 131 132 lock!(lock_andb_mi => "andb"); 133 lock!(lock_andw_mi => "andw"); 134 lock!(lock_andl_mi => "andl"); 135 lock!(lock_andq_mi_sxl => "andq"); 136 lock!(lock_andl_mi_sxb => "andl"); 137 lock!(lock_andq_mi_sxb => "andq"); 138 lock!(lock_andb_mr => "andb"); 139 lock!(lock_andw_mr => "andw"); 140 lock!(lock_andl_mr => "andl"); 141 lock!(lock_andq_mr => "andq"); 142 143 lock!(lock_orb_mi => "orb"); 144 lock!(lock_orw_mi => "orw"); 145 lock!(lock_orl_mi => "orl"); 146 lock!(lock_orq_mi_sxl => "orq"); 147 lock!(lock_orl_mi_sxb => "orl"); 148 lock!(lock_orq_mi_sxb => "orq"); 149 lock!(lock_orb_mr => "orb"); 150 lock!(lock_orw_mr => "orw"); 151 lock!(lock_orl_mr => "orl"); 152 lock!(lock_orq_mr => "orq"); 153 154 lock!(lock_xorb_mi => "xorb"); 155 lock!(lock_xorw_mi => "xorw"); 156 lock!(lock_xorl_mi => "xorl"); 157 lock!(lock_xorq_mi_sxl => "xorq"); 158 lock!(lock_xorl_mi_sxb => "xorl"); 159 lock!(lock_xorq_mi_sxb => "xorq"); 160 lock!(lock_xorb_mr => "xorb"); 161 lock!(lock_xorw_mr => "xorw"); 162 lock!(lock_xorl_mr => "xorl"); 163 lock!(lock_xorq_mr => "xorq"); 164 165 lock!(lock_xaddb_mr => "xaddb"); 166 lock!(lock_xaddw_mr => "xaddw"); 167 lock!(lock_xaddl_mr => "xaddl"); 168 lock!(lock_xaddq_mr => "xaddq"); 169 170 lock!(lock_cmpxchgb_mr => "cmpxchgb"); 171 lock!(lock_cmpxchgw_mr => "cmpxchgw"); 172 lock!(lock_cmpxchgl_mr => "cmpxchgl"); 173 lock!(lock_cmpxchgq_mr => "cmpxchgq"); 174 lock!(lock_cmpxchg16b_m => "cmpxchg16b"); 175 176 pub fn vcvtpd2ps_a<R: Registers>(inst: &inst::vcvtpd2ps_a<R>) -> Cow<'static, str> { 177 match inst.xmm_m128 { 178 XmmMem::Xmm(_) => "vcvtpd2ps".into(), 179 XmmMem::Mem(_) => "vcvtpd2psx".into(), 180 } 181 } 182 183 pub fn vcvttpd2dq_a<R: Registers>(inst: &inst::vcvttpd2dq_a<R>) -> Cow<'static, str> { 184 match inst.xmm_m128 { 185 XmmMem::Xmm(_) => "vcvttpd2dq".into(), 186 XmmMem::Mem(_) => "vcvttpd2dqx".into(), 187 } 188 } 189 } 190 191 pub mod display { 192 use crate::inst; 193 use crate::{Amode, Gpr, GprMem, Registers, Size}; 194 use std::fmt; 195 196 pub fn callq_d(f: &mut fmt::Formatter, inst: &inst::callq_d) -> fmt::Result { 197 let inst::callq_d { imm32 } = inst; 198 let displacement = i64::from(imm32.value()) + 5; 199 if displacement >= 0 && displacement < 10 { 200 write!(f, "callq {displacement:}") 201 } else { 202 write!(f, "callq {displacement:#x}") 203 } 204 } 205 206 pub fn callq_m<R: Registers>(f: &mut fmt::Formatter, inst: &inst::callq_m<R>) -> fmt::Result { 207 let inst::callq_m { rm64 } = inst; 208 let op = rm64.to_string(Size::Quadword); 209 write!(f, "callq *{op}") 210 } 211 212 /// Return the predicate string used for the immediate of a `cmp*` 213 /// instruction. 214 fn pred_as_str(imm: u8) -> &'static str { 215 match imm { 216 0 => "eq", 217 1 => "lt", 218 2 => "le", 219 3 => "unord", 220 4 => "neq", 221 5 => "nlt", 222 6 => "nle", 223 7 => "ord", 224 _ => panic!("not a valid predicate for `cmp*`"), 225 } 226 } 227 228 pub fn cmpss_a<R: Registers>(f: &mut fmt::Formatter, inst: &inst::cmpss_a<R>) -> fmt::Result { 229 let xmm1 = inst.xmm1.to_string(); 230 let xmm_m32 = inst.xmm_m32.to_string(); 231 let pred = inst.imm8.value(); 232 if pred > 7 { 233 let imm8 = inst.imm8.to_string(); 234 write!(f, "cmpss {imm8}, {xmm_m32}, {xmm1}") 235 } else { 236 write!(f, "cmp{}ss {xmm_m32}, {xmm1}", pred_as_str(pred)) 237 } 238 } 239 240 pub fn cmpsd_a<R: Registers>(f: &mut fmt::Formatter, inst: &inst::cmpsd_a<R>) -> fmt::Result { 241 let xmm1 = inst.xmm1.to_string(); 242 let xmm_m64 = inst.xmm_m64.to_string(); 243 let pred = inst.imm8.value(); 244 if pred > 7 { 245 let imm8 = inst.imm8.to_string(); 246 write!(f, "cmpsd {imm8}, {xmm_m64}, {xmm1}") 247 } else { 248 write!(f, "cmp{}sd {xmm_m64}, {xmm1}", pred_as_str(pred)) 249 } 250 } 251 252 pub fn cmpps_a<R: Registers>(f: &mut fmt::Formatter, inst: &inst::cmpps_a<R>) -> fmt::Result { 253 let xmm1 = inst.xmm1.to_string(); 254 let xmm_m128 = inst.xmm_m128.to_string(); 255 let pred = inst.imm8.value(); 256 if pred > 7 { 257 let imm8 = inst.imm8.to_string(); 258 write!(f, "cmpps {imm8}, {xmm_m128}, {xmm1}") 259 } else { 260 write!(f, "cmp{}ps {xmm_m128}, {xmm1}", pred_as_str(pred)) 261 } 262 } 263 264 pub fn cmppd_a<R: Registers>(f: &mut fmt::Formatter, inst: &inst::cmppd_a<R>) -> fmt::Result { 265 let xmm1 = inst.xmm1.to_string(); 266 let xmm_m128 = inst.xmm_m128.to_string(); 267 let pred = inst.imm8.value(); 268 if pred > 7 { 269 let imm8 = inst.imm8.to_string(); 270 write!(f, "cmppd {imm8}, {xmm_m128}, {xmm1}") 271 } else { 272 write!(f, "cmp{}pd {xmm_m128}, {xmm1}", pred_as_str(pred)) 273 } 274 } 275 276 /// Return the predicate string used for the immediate of a `vcmp*` 277 /// instruction; this is a more complex version of `pred_as_str`. 278 fn vex_pred_as_str(imm: u8) -> &'static str { 279 match imm { 280 0x0 => "eq", 281 0x1 => "lt", 282 0x2 => "le", 283 0x3 => "unord", 284 0x4 => "neq", 285 0x5 => "nlt", 286 0x6 => "nle", 287 0x7 => "ord", 288 0x8 => "eq_uq", 289 0x9 => "nge", 290 0xa => "ngt", 291 0xb => "false", 292 0xc => "neq_oq", 293 0xd => "ge", 294 0xe => "gt", 295 0xf => "true", 296 0x10 => "eq_os", 297 0x11 => "lt_oq", 298 0x12 => "le_oq", 299 0x13 => "unord_s", 300 0x14 => "neq_us", 301 0x15 => "nlt_uq", 302 0x16 => "nle_uq", 303 0x17 => "ord_s", 304 0x18 => "eq_us", 305 0x19 => "nge_uq", 306 0x1a => "ngt_uq", 307 0x1b => "false_os", 308 0x1c => "neq_os", 309 0x1d => "ge_oq", 310 0x1e => "gt_oq", 311 0x1f => "true_us", 312 _ => panic!("not a valid predicate for `cmp*`"), 313 } 314 } 315 316 pub fn vcmpss_b<R: Registers>(f: &mut fmt::Formatter, inst: &inst::vcmpss_b<R>) -> fmt::Result { 317 let xmm1 = inst.xmm1.to_string(); 318 let xmm2 = inst.xmm2.to_string(); 319 let xmm_m32 = inst.xmm_m32.to_string(); 320 let pred = inst.imm8.value(); 321 if pred > 0x1f { 322 let imm8 = inst.imm8.to_string(); 323 write!(f, "vcmpss {imm8}, {xmm_m32}, {xmm2}, {xmm1}") 324 } else { 325 write!( 326 f, 327 "vcmp{}ss {xmm_m32}, {xmm2}, {xmm1}", 328 vex_pred_as_str(pred) 329 ) 330 } 331 } 332 333 pub fn vcmpsd_b<R: Registers>(f: &mut fmt::Formatter, inst: &inst::vcmpsd_b<R>) -> fmt::Result { 334 let xmm1 = inst.xmm1.to_string(); 335 let xmm2 = inst.xmm2.to_string(); 336 let xmm_m64 = inst.xmm_m64.to_string(); 337 let pred = inst.imm8.value(); 338 if pred > 0x1f { 339 let imm8 = inst.imm8.to_string(); 340 write!(f, "vcmpsd {imm8}, {xmm_m64}, {xmm2}, {xmm1}") 341 } else { 342 write!( 343 f, 344 "vcmp{}sd {xmm_m64}, {xmm2}, {xmm1}", 345 vex_pred_as_str(pred) 346 ) 347 } 348 } 349 350 pub fn vcmpps_b<R: Registers>(f: &mut fmt::Formatter, inst: &inst::vcmpps_b<R>) -> fmt::Result { 351 let xmm1 = inst.xmm1.to_string(); 352 let xmm2 = inst.xmm2.to_string(); 353 let xmm_m128 = inst.xmm_m128.to_string(); 354 let pred = inst.imm8.value(); 355 if pred > 0x1f { 356 let imm8 = inst.imm8.to_string(); 357 write!(f, "vcmpps {imm8}, {xmm_m128}, {xmm2}, {xmm1}") 358 } else { 359 write!( 360 f, 361 "vcmp{}ps {xmm_m128}, {xmm2}, {xmm1}", 362 vex_pred_as_str(pred) 363 ) 364 } 365 } 366 367 pub fn vcmppd_b<R: Registers>(f: &mut fmt::Formatter, inst: &inst::vcmppd_b<R>) -> fmt::Result { 368 let xmm1 = inst.xmm1.to_string(); 369 let xmm2 = inst.xmm2.to_string(); 370 let xmm_m128 = inst.xmm_m128.to_string(); 371 let pred = inst.imm8.value(); 372 if pred > 0x1f { 373 let imm8 = inst.imm8.to_string(); 374 write!(f, "vcmppd {imm8}, {xmm_m128}, {xmm2}, {xmm1}") 375 } else { 376 write!( 377 f, 378 "vcmp{}pd {xmm_m128}, {xmm2}, {xmm1}", 379 vex_pred_as_str(pred) 380 ) 381 } 382 } 383 384 pub fn nop_1b(f: &mut fmt::Formatter, _: &inst::nop_1b) -> fmt::Result { 385 write!(f, "nop") 386 } 387 388 pub fn nop_2b(f: &mut fmt::Formatter, _: &inst::nop_2b) -> fmt::Result { 389 write!(f, "nop") 390 } 391 392 pub fn nop_3b(f: &mut fmt::Formatter, _: &inst::nop_3b) -> fmt::Result { 393 write!(f, "nopl (%rax)") 394 } 395 396 pub fn nop_4b(f: &mut fmt::Formatter, _: &inst::nop_4b) -> fmt::Result { 397 write!(f, "nopl (%rax)") 398 } 399 400 pub fn nop_5b(f: &mut fmt::Formatter, _: &inst::nop_5b) -> fmt::Result { 401 write!(f, "nopl (%rax, %rax)") 402 } 403 404 pub fn nop_6b(f: &mut fmt::Formatter, _: &inst::nop_6b) -> fmt::Result { 405 write!(f, "nopw (%rax, %rax)") 406 } 407 408 pub fn nop_7b(f: &mut fmt::Formatter, _: &inst::nop_7b) -> fmt::Result { 409 write!(f, "nopl (%rax)") 410 } 411 412 pub fn nop_8b(f: &mut fmt::Formatter, _: &inst::nop_8b) -> fmt::Result { 413 write!(f, "nopl (%rax, %rax)") 414 } 415 416 pub fn nop_9b(f: &mut fmt::Formatter, _: &inst::nop_9b) -> fmt::Result { 417 write!(f, "nopw (%rax, %rax)") 418 } 419 420 pub fn xchgb_rm<R: Registers>( 421 f: &mut fmt::Formatter<'_>, 422 inst: &inst::xchgb_rm<R>, 423 ) -> fmt::Result { 424 let inst::xchgb_rm { r8, m8 } = inst; 425 xchg_rm::<R>(f, r8, m8, Size::Byte) 426 } 427 428 pub fn xchgw_rm<R: Registers>( 429 f: &mut fmt::Formatter<'_>, 430 inst: &inst::xchgw_rm<R>, 431 ) -> fmt::Result { 432 let inst::xchgw_rm { r16, m16 } = inst; 433 xchg_rm::<R>(f, r16, m16, Size::Word) 434 } 435 436 pub fn xchgl_rm<R: Registers>( 437 f: &mut fmt::Formatter<'_>, 438 inst: &inst::xchgl_rm<R>, 439 ) -> fmt::Result { 440 let inst::xchgl_rm { r32, m32 } = inst; 441 xchg_rm::<R>(f, r32, m32, Size::Doubleword) 442 } 443 444 pub fn xchgq_rm<R: Registers>( 445 f: &mut fmt::Formatter<'_>, 446 inst: &inst::xchgq_rm<R>, 447 ) -> fmt::Result { 448 let inst::xchgq_rm { r64, m64 } = inst; 449 xchg_rm::<R>(f, r64, m64, Size::Quadword) 450 } 451 452 /// Swap the order of printing (register first) to match Capstone. 453 fn xchg_rm<R: Registers>( 454 f: &mut fmt::Formatter<'_>, 455 reg: &Gpr<R::ReadWriteGpr>, 456 mem: &Amode<R::ReadGpr>, 457 size: Size, 458 ) -> fmt::Result { 459 let reg = reg.to_string(size); 460 let mem = mem.to_string(); 461 let suffix = match size { 462 Size::Byte => "b", 463 Size::Word => "w", 464 Size::Doubleword => "l", 465 Size::Quadword => "q", 466 }; 467 write!(f, "xchg{suffix} {reg}, {mem}") 468 } 469 470 pub fn sarb_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::sarb_m1<R>) -> fmt::Result { 471 let inst::sarb_m1 { rm8 } = inst; 472 shift_m1::<R>(f, "sarb", rm8, Size::Byte) 473 } 474 475 pub fn sarw_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::sarw_m1<R>) -> fmt::Result { 476 let inst::sarw_m1 { rm16 } = inst; 477 shift_m1::<R>(f, "sarw", rm16, Size::Word) 478 } 479 480 pub fn sarl_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::sarl_m1<R>) -> fmt::Result { 481 let inst::sarl_m1 { rm32 } = inst; 482 shift_m1::<R>(f, "sarl", rm32, Size::Doubleword) 483 } 484 485 pub fn sarq_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::sarq_m1<R>) -> fmt::Result { 486 let inst::sarq_m1 { rm64 } = inst; 487 shift_m1::<R>(f, "sarq", rm64, Size::Quadword) 488 } 489 490 pub fn shlb_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shlb_m1<R>) -> fmt::Result { 491 let inst::shlb_m1 { rm8 } = inst; 492 shift_m1::<R>(f, "shlb", rm8, Size::Byte) 493 } 494 495 pub fn shlw_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shlw_m1<R>) -> fmt::Result { 496 let inst::shlw_m1 { rm16 } = inst; 497 shift_m1::<R>(f, "shlw", rm16, Size::Word) 498 } 499 500 pub fn shll_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shll_m1<R>) -> fmt::Result { 501 let inst::shll_m1 { rm32 } = inst; 502 shift_m1::<R>(f, "shll", rm32, Size::Doubleword) 503 } 504 505 pub fn shlq_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shlq_m1<R>) -> fmt::Result { 506 let inst::shlq_m1 { rm64 } = inst; 507 shift_m1::<R>(f, "shlq", rm64, Size::Quadword) 508 } 509 510 pub fn shrb_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shrb_m1<R>) -> fmt::Result { 511 let inst::shrb_m1 { rm8 } = inst; 512 shift_m1::<R>(f, "shrb", rm8, Size::Byte) 513 } 514 515 pub fn shrw_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shrw_m1<R>) -> fmt::Result { 516 let inst::shrw_m1 { rm16 } = inst; 517 shift_m1::<R>(f, "shrw", rm16, Size::Word) 518 } 519 520 pub fn shrl_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shrl_m1<R>) -> fmt::Result { 521 let inst::shrl_m1 { rm32 } = inst; 522 shift_m1::<R>(f, "shrl", rm32, Size::Doubleword) 523 } 524 525 pub fn shrq_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::shrq_m1<R>) -> fmt::Result { 526 let inst::shrq_m1 { rm64 } = inst; 527 shift_m1::<R>(f, "shrq", rm64, Size::Quadword) 528 } 529 530 pub fn rorb_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rorb_m1<R>) -> fmt::Result { 531 let inst::rorb_m1 { rm8 } = inst; 532 shift_m1::<R>(f, "rorb", rm8, Size::Byte) 533 } 534 535 pub fn rorw_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rorw_m1<R>) -> fmt::Result { 536 let inst::rorw_m1 { rm16 } = inst; 537 shift_m1::<R>(f, "rorw", rm16, Size::Word) 538 } 539 540 pub fn rorl_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rorl_m1<R>) -> fmt::Result { 541 let inst::rorl_m1 { rm32 } = inst; 542 shift_m1::<R>(f, "rorl", rm32, Size::Doubleword) 543 } 544 545 pub fn rorq_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rorq_m1<R>) -> fmt::Result { 546 let inst::rorq_m1 { rm64 } = inst; 547 shift_m1::<R>(f, "rorq", rm64, Size::Quadword) 548 } 549 550 pub fn rolb_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rolb_m1<R>) -> fmt::Result { 551 let inst::rolb_m1 { rm8 } = inst; 552 shift_m1::<R>(f, "rolb", rm8, Size::Byte) 553 } 554 555 pub fn rolw_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rolw_m1<R>) -> fmt::Result { 556 let inst::rolw_m1 { rm16 } = inst; 557 shift_m1::<R>(f, "rolw", rm16, Size::Word) 558 } 559 560 pub fn roll_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::roll_m1<R>) -> fmt::Result { 561 let inst::roll_m1 { rm32 } = inst; 562 shift_m1::<R>(f, "roll", rm32, Size::Doubleword) 563 } 564 565 pub fn rolq_m1<R: Registers>(f: &mut fmt::Formatter, inst: &inst::rolq_m1<R>) -> fmt::Result { 566 let inst::rolq_m1 { rm64 } = inst; 567 shift_m1::<R>(f, "rolq", rm64, Size::Quadword) 568 } 569 570 fn shift_m1<R: Registers>( 571 f: &mut fmt::Formatter<'_>, 572 mnemonic: &str, 573 rm: &GprMem<R::ReadWriteGpr, R::ReadGpr>, 574 size: Size, 575 ) -> fmt::Result { 576 let reg = rm.to_string(size); 577 match rm { 578 GprMem::Gpr(_) => write!(f, "{mnemonic} $1, {reg}"), 579 GprMem::Mem(_) => write!(f, "{mnemonic} {reg}"), 580 } 581 } 582 583 pub fn jmpq_m<R: Registers>(f: &mut fmt::Formatter<'_>, jmp: &inst::jmpq_m<R>) -> fmt::Result { 584 let inst::jmpq_m { rm64 } = jmp; 585 let rm64 = rm64.to_string(Size::Quadword); 586 write!(f, "jmpq *{rm64}") 587 } 588 } 589 590 pub mod visit { 591 use crate::inst::*; 592 use crate::{Amode, Fixed, Gpr, GprMem, RegisterVisitor, Registers, gpr}; 593 594 pub fn mulxl_rvm<R: Registers>(mulx: &mut mulxl_rvm<R>, visitor: &mut impl RegisterVisitor<R>) { 595 visit_mulx( 596 &mut mulx.r32a, 597 &mut mulx.r32b, 598 &mut mulx.rm32, 599 &mut mulx.edx, 600 visitor, 601 ) 602 } 603 604 pub fn mulxq_rvm<R: Registers>(mulx: &mut mulxq_rvm<R>, visitor: &mut impl RegisterVisitor<R>) { 605 visit_mulx( 606 &mut mulx.r64a, 607 &mut mulx.r64b, 608 &mut mulx.rm64, 609 &mut mulx.rdx, 610 visitor, 611 ) 612 } 613 614 /// Both mulxl and mulxq have custom register allocator behavior where if the 615 /// two writable registers are the same then only one is flagged as writable. 616 /// That represents how when they're both the same only one register is written, 617 /// not both. 618 fn visit_mulx<R: Registers>( 619 ra: &mut Gpr<R::WriteGpr>, 620 rb: &mut Gpr<R::WriteGpr>, 621 src1: &mut GprMem<R::ReadGpr, R::ReadGpr>, 622 src2: &mut Fixed<R::ReadGpr, { gpr::enc::RDX }>, 623 visitor: &mut impl RegisterVisitor<R>, 624 ) { 625 if ra == rb { 626 visitor.write_gpr(ra.as_mut()); 627 *rb = *ra; 628 } else { 629 visitor.write_gpr(ra.as_mut()); 630 visitor.write_gpr(rb.as_mut()); 631 } 632 visitor.read_gpr_mem(src1); 633 let enc = src2.expected_enc(); 634 visitor.fixed_read_gpr(&mut src2.0, enc); 635 } 636 637 pub fn lock_xaddb_mr<R: Registers>( 638 lock_xadd: &mut lock_xaddb_mr<R>, 639 visitor: &mut impl RegisterVisitor<R>, 640 ) { 641 let lock_xaddb_mr { r8, m8 } = lock_xadd; 642 lock_xadd_mr(r8, m8, visitor) 643 } 644 645 pub fn lock_xaddw_mr<R: Registers>( 646 lock_xadd: &mut lock_xaddw_mr<R>, 647 visitor: &mut impl RegisterVisitor<R>, 648 ) { 649 let lock_xaddw_mr { r16, m16 } = lock_xadd; 650 lock_xadd_mr(r16, m16, visitor) 651 } 652 653 pub fn lock_xaddl_mr<R: Registers>( 654 lock_xadd: &mut lock_xaddl_mr<R>, 655 visitor: &mut impl RegisterVisitor<R>, 656 ) { 657 let lock_xaddl_mr { r32, m32 } = lock_xadd; 658 lock_xadd_mr(r32, m32, visitor) 659 } 660 661 pub fn lock_xaddq_mr<R: Registers>( 662 lock_xadd: &mut lock_xaddq_mr<R>, 663 visitor: &mut impl RegisterVisitor<R>, 664 ) { 665 let lock_xaddq_mr { r64, m64 } = lock_xadd; 666 lock_xadd_mr(r64, m64, visitor) 667 } 668 669 /// Intel says the memory operand comes first, but regalloc requires the 670 /// register operand comes first, so the custom visit implementation here 671 /// resolves that. 672 fn lock_xadd_mr<R: Registers>( 673 reg: &mut Gpr<R::ReadWriteGpr>, 674 mem: &mut Amode<R::ReadGpr>, 675 visitor: &mut impl RegisterVisitor<R>, 676 ) { 677 visitor.read_write_gpr(reg.as_mut()); 678 visitor.read_amode(mem); 679 } 680 } 681