1// Based on cmd/internal/obj/ppc64/a.out.go. 2// 3// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. 4// Portions Copyright © 1995-1997 C H Forsyth ([email protected]) 5// Portions Copyright © 1997-1999 Vita Nuova Limited 6// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) 7// Portions Copyright © 2004,2006 Bruce Ellis 8// Portions Copyright © 2005-2007 C H Forsyth ([email protected]) 9// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others 10// Portions Copyright © 2009 The Go Authors. All rights reserved. 11// 12// Permission is hereby granted, free of charge, to any person obtaining a copy 13// of this software and associated documentation files (the "Software"), to deal 14// in the Software without restriction, including without limitation the rights 15// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 16// copies of the Software, and to permit persons to whom the Software is 17// furnished to do so, subject to the following conditions: 18// 19// The above copyright notice and this permission notice shall be included in 20// all copies or substantial portions of the Software. 21// 22// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 27// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 28// THE SOFTWARE. 29 30package s390x 31 32import "cmd/internal/obj" 33 34//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p s390x 35 36const ( 37 NSNAME = 8 38 NSYM = 50 39 NREG = 16 // number of general purpose registers 40 NFREG = 16 // number of floating point registers 41) 42 43const ( 44 // General purpose registers (GPRs). 45 REG_R0 = obj.RBaseS390X + iota 46 REG_R1 47 REG_R2 48 REG_R3 49 REG_R4 50 REG_R5 51 REG_R6 52 REG_R7 53 REG_R8 54 REG_R9 55 REG_R10 56 REG_R11 57 REG_R12 58 REG_R13 59 REG_R14 60 REG_R15 61 62 // Floating point registers (FPRs). 63 REG_F0 64 REG_F1 65 REG_F2 66 REG_F3 67 REG_F4 68 REG_F5 69 REG_F6 70 REG_F7 71 REG_F8 72 REG_F9 73 REG_F10 74 REG_F11 75 REG_F12 76 REG_F13 77 REG_F14 78 REG_F15 79 80 // Vector registers (VRs) - only available when the vector 81 // facility is installed. 82 // V0-V15 are aliases for F0-F15. 83 // We keep them in a separate space to make printing etc. easier 84 // If the code generator ever emits vector instructions it will 85 // need to take into account the aliasing. 86 REG_V0 87 REG_V1 88 REG_V2 89 REG_V3 90 REG_V4 91 REG_V5 92 REG_V6 93 REG_V7 94 REG_V8 95 REG_V9 96 REG_V10 97 REG_V11 98 REG_V12 99 REG_V13 100 REG_V14 101 REG_V15 102 REG_V16 103 REG_V17 104 REG_V18 105 REG_V19 106 REG_V20 107 REG_V21 108 REG_V22 109 REG_V23 110 REG_V24 111 REG_V25 112 REG_V26 113 REG_V27 114 REG_V28 115 REG_V29 116 REG_V30 117 REG_V31 118 119 // Access registers (ARs). 120 // The thread pointer is typically stored in the register pair 121 // AR0 and AR1. 122 REG_AR0 123 REG_AR1 124 REG_AR2 125 REG_AR3 126 REG_AR4 127 REG_AR5 128 REG_AR6 129 REG_AR7 130 REG_AR8 131 REG_AR9 132 REG_AR10 133 REG_AR11 134 REG_AR12 135 REG_AR13 136 REG_AR14 137 REG_AR15 138 139 REG_RESERVED // end of allocated registers 140 141 REGARG = -1 // -1 disables passing the first argument in register 142 REGRT1 = REG_R3 // used during zeroing of the stack - not reserved 143 REGRT2 = REG_R4 // used during zeroing of the stack - not reserved 144 REGTMP = REG_R10 // scratch register used in the assembler and linker 145 REGTMP2 = REG_R11 // scratch register used in the assembler and linker 146 REGCTXT = REG_R12 // context for closures 147 REGG = REG_R13 // G 148 REG_LR = REG_R14 // link register 149 REGSP = REG_R15 // stack pointer 150) 151 152// LINUX for zSeries ELF Application Binary Interface Supplement 153// https://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_zSeries/x1472.html 154var S390XDWARFRegisters = map[int16]int16{} 155 156func init() { 157 // f assigns dwarfregisters[from:to by step] = (base):((to-from)/step+base) 158 f := func(from, step, to, base int16) { 159 for r := int16(from); r <= to; r += step { 160 S390XDWARFRegisters[r] = (r-from)/step + base 161 } 162 } 163 f(REG_R0, 1, REG_R15, 0) 164 165 f(REG_F0, 2, REG_F6, 16) 166 f(REG_F1, 2, REG_F7, 20) 167 f(REG_F8, 2, REG_F14, 24) 168 f(REG_F9, 2, REG_F15, 28) 169 170 f(REG_V0, 2, REG_V6, 16) // V0:15 aliased to F0:15 171 f(REG_V1, 2, REG_V7, 20) // TODO what about V16:31? 172 f(REG_V8, 2, REG_V14, 24) 173 f(REG_V9, 2, REG_V15, 28) 174 175 f(REG_AR0, 1, REG_AR15, 48) 176} 177 178const ( 179 BIG = 32768 - 8 180 DISP12 = 4096 181 DISP16 = 65536 182 DISP20 = 1048576 183) 184 185const ( 186 // mark flags 187 LEAF = 1 << iota 188 BRANCH 189 USETMP // generated code of this Prog uses REGTMP 190) 191 192const ( // comments from func aclass in asmz.go 193 C_NONE = iota 194 C_REG // general-purpose register (64-bit) 195 C_FREG // floating-point register (64-bit) 196 C_VREG // vector register (128-bit) 197 C_AREG // access register (32-bit) 198 C_ZCON // constant == 0 199 C_SCON // 0 <= constant <= 0x7fff (positive int16) 200 C_UCON // constant & 0xffff == 0 (int16 or uint16) 201 C_ADDCON // 0 > constant >= -0x8000 (negative int16) 202 C_ANDCON // constant <= 0xffff 203 C_LCON // constant (int32 or uint32) 204 C_DCON // constant (int64 or uint64) 205 C_SACON // computed address, 16-bit displacement, possibly SP-relative 206 C_LACON // computed address, 32-bit displacement, possibly SP-relative 207 C_DACON // computed address, 64-bit displacement? 208 C_SBRA // short branch 209 C_LBRA // long branch 210 C_SAUTO // short auto 211 C_LAUTO // long auto 212 C_ZOREG // heap address, register-based, displacement == 0 213 C_SOREG // heap address, register-based, int16 displacement 214 C_LOREG // heap address, register-based, int32 displacement 215 C_TLS_LE // TLS - local exec model (for executables) 216 C_TLS_IE // TLS - initial exec model (for shared libraries loaded at program startup) 217 C_GOK // general address 218 C_ADDR // relocation for extern or static symbols (loads and stores) 219 C_SYMADDR // relocation for extern or static symbols (address taking) 220 C_GOTADDR // GOT slot for a symbol in -dynlink mode 221 C_TEXTSIZE // text size 222 C_ANY 223 C_NCLASS // must be the last 224) 225 226const ( 227 // integer arithmetic 228 AADD = obj.ABaseS390X + obj.A_ARCHSPECIFIC + iota 229 AADDC 230 AADDE 231 AADDW 232 ADIVW 233 ADIVWU 234 ADIVD 235 ADIVDU 236 AMODW 237 AMODWU 238 AMODD 239 AMODDU 240 AMULLW 241 AMULLD 242 AMULHD 243 AMULHDU 244 AMLGR 245 ASUB 246 ASUBC 247 ASUBV 248 ASUBE 249 ASUBW 250 ANEG 251 ANEGW 252 253 // integer moves 254 AMOVWBR 255 AMOVB 256 AMOVBZ 257 AMOVH 258 AMOVHBR 259 AMOVHZ 260 AMOVW 261 AMOVWZ 262 AMOVD 263 AMOVDBR 264 265 // conditional moves 266 AMOVDEQ 267 AMOVDGE 268 AMOVDGT 269 AMOVDLE 270 AMOVDLT 271 AMOVDNE 272 ALOCR 273 ALOCGR 274 275 // find leftmost one 276 AFLOGR 277 278 // population count 279 APOPCNT 280 281 // integer bitwise 282 AAND 283 AANDW 284 AOR 285 AORW 286 AXOR 287 AXORW 288 ASLW 289 ASLD 290 ASRW 291 ASRAW 292 ASRD 293 ASRAD 294 ARLL 295 ARLLG 296 ARNSBG 297 ARXSBG 298 AROSBG 299 ARNSBGT 300 ARXSBGT 301 AROSBGT 302 ARISBG 303 ARISBGN 304 ARISBGZ 305 ARISBGNZ 306 ARISBHG 307 ARISBLG 308 ARISBHGZ 309 ARISBLGZ 310 311 // floating point 312 AFABS 313 AFADD 314 AFADDS 315 AFCMPO 316 AFCMPU 317 ACEBR 318 AFDIV 319 AFDIVS 320 AFMADD 321 AFMADDS 322 AFMOVD 323 AFMOVS 324 AFMSUB 325 AFMSUBS 326 AFMUL 327 AFMULS 328 AFNABS 329 AFNEG 330 AFNEGS 331 ALEDBR 332 ALDEBR 333 ALPDFR 334 ALNDFR 335 AFSUB 336 AFSUBS 337 AFSQRT 338 AFSQRTS 339 AFIEBR 340 AFIDBR 341 ACPSDR 342 ALTEBR 343 ALTDBR 344 ATCEB 345 ATCDB 346 347 // move from GPR to FPR and vice versa 348 ALDGR 349 ALGDR 350 351 // convert from int32/int64 to float/float64 352 ACEFBRA 353 ACDFBRA 354 ACEGBRA 355 ACDGBRA 356 357 // convert from float/float64 to int32/int64 358 ACFEBRA 359 ACFDBRA 360 ACGEBRA 361 ACGDBRA 362 363 // convert from uint32/uint64 to float/float64 364 ACELFBR 365 ACDLFBR 366 ACELGBR 367 ACDLGBR 368 369 // convert from float/float64 to uint32/uint64 370 ACLFEBR 371 ACLFDBR 372 ACLGEBR 373 ACLGDBR 374 375 // compare 376 ACMP 377 ACMPU 378 ACMPW 379 ACMPWU 380 381 // test under mask 382 ATMHH 383 ATMHL 384 ATMLH 385 ATMLL 386 387 // insert program mask 388 AIPM 389 390 // set program mask 391 ASPM 392 393 // compare and swap 394 ACS 395 ACSG 396 397 // serialize 398 ASYNC 399 400 // branch 401 ABC 402 ABCL 403 ABRC 404 ABEQ 405 ABGE 406 ABGT 407 ABLE 408 ABLT 409 ABLEU 410 ABLTU 411 ABNE 412 ABVC 413 ABVS 414 ASYSCALL 415 416 // branch on count 417 ABRCT 418 ABRCTG 419 420 // compare and branch 421 ACRJ 422 ACGRJ 423 ACLRJ 424 ACLGRJ 425 ACIJ 426 ACGIJ 427 ACLIJ 428 ACLGIJ 429 ACMPBEQ 430 ACMPBGE 431 ACMPBGT 432 ACMPBLE 433 ACMPBLT 434 ACMPBNE 435 ACMPUBEQ 436 ACMPUBGE 437 ACMPUBGT 438 ACMPUBLE 439 ACMPUBLT 440 ACMPUBNE 441 442 // storage-and-storage 443 AMVC 444 AMVCIN 445 ACLC 446 AXC 447 AOC 448 ANC 449 450 // load 451 AEXRL 452 ALARL 453 ALA 454 ALAY 455 456 // interlocked load and op 457 ALAA 458 ALAAG 459 ALAAL 460 ALAALG 461 ALAN 462 ALANG 463 ALAX 464 ALAXG 465 ALAO 466 ALAOG 467 468 // load/store multiple 469 ALMY 470 ALMG 471 ASTMY 472 ASTMG 473 474 // store clock 475 ASTCK 476 ASTCKC 477 ASTCKE 478 ASTCKF 479 480 // macros 481 ACLEAR 482 483 // crypto 484 AKM 485 AKMC 486 AKLMD 487 AKIMD 488 AKDSA 489 AKMA 490 AKMCTR 491 492 // vector 493 AVA 494 AVAB 495 AVAH 496 AVAF 497 AVAG 498 AVAQ 499 AVACC 500 AVACCB 501 AVACCH 502 AVACCF 503 AVACCG 504 AVACCQ 505 AVAC 506 AVACQ 507 AVACCC 508 AVACCCQ 509 AVN 510 AVNC 511 AVAVG 512 AVAVGB 513 AVAVGH 514 AVAVGF 515 AVAVGG 516 AVAVGL 517 AVAVGLB 518 AVAVGLH 519 AVAVGLF 520 AVAVGLG 521 AVCKSM 522 AVCEQ 523 AVCEQB 524 AVCEQH 525 AVCEQF 526 AVCEQG 527 AVCEQBS 528 AVCEQHS 529 AVCEQFS 530 AVCEQGS 531 AVCH 532 AVCHB 533 AVCHH 534 AVCHF 535 AVCHG 536 AVCHBS 537 AVCHHS 538 AVCHFS 539 AVCHGS 540 AVCHL 541 AVCHLB 542 AVCHLH 543 AVCHLF 544 AVCHLG 545 AVCHLBS 546 AVCHLHS 547 AVCHLFS 548 AVCHLGS 549 AVCLZ 550 AVCLZB 551 AVCLZH 552 AVCLZF 553 AVCLZG 554 AVCTZ 555 AVCTZB 556 AVCTZH 557 AVCTZF 558 AVCTZG 559 AVEC 560 AVECB 561 AVECH 562 AVECF 563 AVECG 564 AVECL 565 AVECLB 566 AVECLH 567 AVECLF 568 AVECLG 569 AVERIM 570 AVERIMB 571 AVERIMH 572 AVERIMF 573 AVERIMG 574 AVERLL 575 AVERLLB 576 AVERLLH 577 AVERLLF 578 AVERLLG 579 AVERLLV 580 AVERLLVB 581 AVERLLVH 582 AVERLLVF 583 AVERLLVG 584 AVESLV 585 AVESLVB 586 AVESLVH 587 AVESLVF 588 AVESLVG 589 AVESL 590 AVESLB 591 AVESLH 592 AVESLF 593 AVESLG 594 AVESRA 595 AVESRAB 596 AVESRAH 597 AVESRAF 598 AVESRAG 599 AVESRAV 600 AVESRAVB 601 AVESRAVH 602 AVESRAVF 603 AVESRAVG 604 AVESRL 605 AVESRLB 606 AVESRLH 607 AVESRLF 608 AVESRLG 609 AVESRLV 610 AVESRLVB 611 AVESRLVH 612 AVESRLVF 613 AVESRLVG 614 AVX 615 AVFAE 616 AVFAEB 617 AVFAEH 618 AVFAEF 619 AVFAEBS 620 AVFAEHS 621 AVFAEFS 622 AVFAEZB 623 AVFAEZH 624 AVFAEZF 625 AVFAEZBS 626 AVFAEZHS 627 AVFAEZFS 628 AVFEE 629 AVFEEB 630 AVFEEH 631 AVFEEF 632 AVFEEBS 633 AVFEEHS 634 AVFEEFS 635 AVFEEZB 636 AVFEEZH 637 AVFEEZF 638 AVFEEZBS 639 AVFEEZHS 640 AVFEEZFS 641 AVFENE 642 AVFENEB 643 AVFENEH 644 AVFENEF 645 AVFENEBS 646 AVFENEHS 647 AVFENEFS 648 AVFENEZB 649 AVFENEZH 650 AVFENEZF 651 AVFENEZBS 652 AVFENEZHS 653 AVFENEZFS 654 AVFA 655 AVFADB 656 AWFADB 657 AWFK 658 AWFKDB 659 AVFCE 660 AVFCEDB 661 AVFCEDBS 662 AWFCEDB 663 AWFCEDBS 664 AVFCH 665 AVFCHDB 666 AVFCHDBS 667 AWFCHDB 668 AWFCHDBS 669 AVFCHE 670 AVFCHEDB 671 AVFCHEDBS 672 AWFCHEDB 673 AWFCHEDBS 674 AWFC 675 AWFCDB 676 AVCDG 677 AVCDGB 678 AWCDGB 679 AVCDLG 680 AVCDLGB 681 AWCDLGB 682 AVCGD 683 AVCGDB 684 AWCGDB 685 AVCLGD 686 AVCLGDB 687 AWCLGDB 688 AVFD 689 AVFDDB 690 AWFDDB 691 AVLDE 692 AVLDEB 693 AWLDEB 694 AVLED 695 AVLEDB 696 AWLEDB 697 AVFM 698 AVFMDB 699 AWFMDB 700 AVFMA 701 AVFMADB 702 AWFMADB 703 AVFMS 704 AVFMSDB 705 AWFMSDB 706 AVFPSO 707 AVFPSODB 708 AWFPSODB 709 AVFLCDB 710 AWFLCDB 711 AVFLNDB 712 AWFLNDB 713 AVFLPDB 714 AWFLPDB 715 AVFSQ 716 AVFSQDB 717 AWFSQDB 718 AVFS 719 AVFSDB 720 AWFSDB 721 AVFTCI 722 AVFTCIDB 723 AWFTCIDB 724 AVGFM 725 AVGFMB 726 AVGFMH 727 AVGFMF 728 AVGFMG 729 AVGFMA 730 AVGFMAB 731 AVGFMAH 732 AVGFMAF 733 AVGFMAG 734 AVGEF 735 AVGEG 736 AVGBM 737 AVZERO 738 AVONE 739 AVGM 740 AVGMB 741 AVGMH 742 AVGMF 743 AVGMG 744 AVISTR 745 AVISTRB 746 AVISTRH 747 AVISTRF 748 AVISTRBS 749 AVISTRHS 750 AVISTRFS 751 AVL 752 AVLR 753 AVLREP 754 AVLREPB 755 AVLREPH 756 AVLREPF 757 AVLREPG 758 AVLC 759 AVLCB 760 AVLCH 761 AVLCF 762 AVLCG 763 AVLEH 764 AVLEF 765 AVLEG 766 AVLEB 767 AVLEIH 768 AVLEIF 769 AVLEIG 770 AVLEIB 771 AVFI 772 AVFIDB 773 AWFIDB 774 AVLGV 775 AVLGVB 776 AVLGVH 777 AVLGVF 778 AVLGVG 779 AVLLEZ 780 AVLLEZB 781 AVLLEZH 782 AVLLEZF 783 AVLLEZG 784 AVLM 785 AVLP 786 AVLPB 787 AVLPH 788 AVLPF 789 AVLPG 790 AVLBB 791 AVLVG 792 AVLVGB 793 AVLVGH 794 AVLVGF 795 AVLVGG 796 AVLVGP 797 AVLL 798 AVMX 799 AVMXB 800 AVMXH 801 AVMXF 802 AVMXG 803 AVMXL 804 AVMXLB 805 AVMXLH 806 AVMXLF 807 AVMXLG 808 AVMRH 809 AVMRHB 810 AVMRHH 811 AVMRHF 812 AVMRHG 813 AVMRL 814 AVMRLB 815 AVMRLH 816 AVMRLF 817 AVMRLG 818 AVMN 819 AVMNB 820 AVMNH 821 AVMNF 822 AVMNG 823 AVMNL 824 AVMNLB 825 AVMNLH 826 AVMNLF 827 AVMNLG 828 AVMAE 829 AVMAEB 830 AVMAEH 831 AVMAEF 832 AVMAH 833 AVMAHB 834 AVMAHH 835 AVMAHF 836 AVMALE 837 AVMALEB 838 AVMALEH 839 AVMALEF 840 AVMALH 841 AVMALHB 842 AVMALHH 843 AVMALHF 844 AVMALO 845 AVMALOB 846 AVMALOH 847 AVMALOF 848 AVMAL 849 AVMALB 850 AVMALHW 851 AVMALF 852 AVMAO 853 AVMAOB 854 AVMAOH 855 AVMAOF 856 AVME 857 AVMEB 858 AVMEH 859 AVMEF 860 AVMH 861 AVMHB 862 AVMHH 863 AVMHF 864 AVMLE 865 AVMLEB 866 AVMLEH 867 AVMLEF 868 AVMLH 869 AVMLHB 870 AVMLHH 871 AVMLHF 872 AVMLO 873 AVMLOB 874 AVMLOH 875 AVMLOF 876 AVML 877 AVMLB 878 AVMLHW 879 AVMLF 880 AVMO 881 AVMOB 882 AVMOH 883 AVMOF 884 AVNO 885 AVNOT 886 AVO 887 AVPK 888 AVPKH 889 AVPKF 890 AVPKG 891 AVPKLS 892 AVPKLSH 893 AVPKLSF 894 AVPKLSG 895 AVPKLSHS 896 AVPKLSFS 897 AVPKLSGS 898 AVPKS 899 AVPKSH 900 AVPKSF 901 AVPKSG 902 AVPKSHS 903 AVPKSFS 904 AVPKSGS 905 AVPERM 906 AVPDI 907 AVPOPCT 908 AVREP 909 AVREPB 910 AVREPH 911 AVREPF 912 AVREPG 913 AVREPI 914 AVREPIB 915 AVREPIH 916 AVREPIF 917 AVREPIG 918 AVSCEF 919 AVSCEG 920 AVSEL 921 AVSL 922 AVSLB 923 AVSLDB 924 AVSRA 925 AVSRAB 926 AVSRL 927 AVSRLB 928 AVSEG 929 AVSEGB 930 AVSEGH 931 AVSEGF 932 AVST 933 AVSTEH 934 AVSTEF 935 AVSTEG 936 AVSTEB 937 AVSTM 938 AVSTL 939 AVSTRC 940 AVSTRCB 941 AVSTRCH 942 AVSTRCF 943 AVSTRCBS 944 AVSTRCHS 945 AVSTRCFS 946 AVSTRCZB 947 AVSTRCZH 948 AVSTRCZF 949 AVSTRCZBS 950 AVSTRCZHS 951 AVSTRCZFS 952 AVS 953 AVSB 954 AVSH 955 AVSF 956 AVSG 957 AVSQ 958 AVSCBI 959 AVSCBIB 960 AVSCBIH 961 AVSCBIF 962 AVSCBIG 963 AVSCBIQ 964 AVSBCBI 965 AVSBCBIQ 966 AVSBI 967 AVSBIQ 968 AVSUMG 969 AVSUMGH 970 AVSUMGF 971 AVSUMQ 972 AVSUMQF 973 AVSUMQG 974 AVSUM 975 AVSUMB 976 AVSUMH 977 AVTM 978 AVUPH 979 AVUPHB 980 AVUPHH 981 AVUPHF 982 AVUPLH 983 AVUPLHB 984 AVUPLHH 985 AVUPLHF 986 AVUPLL 987 AVUPLLB 988 AVUPLLH 989 AVUPLLF 990 AVUPL 991 AVUPLB 992 AVUPLHW 993 AVUPLF 994 AVMSLG 995 AVMSLEG 996 AVMSLOG 997 AVMSLEOG 998 999 ANOPH // NOP 1000 1001 // binary 1002 ABYTE 1003 AWORD 1004 ADWORD 1005 1006 // Breakpoint 1007 ABRRK 1008 1009 // end marker 1010 ALAST 1011 1012 // aliases 1013 ABR = obj.AJMP 1014 ABL = obj.ACALL 1015) 1016