ext/ByteLoader/byterun.c

   1 /*
   2  *      Copyright (c) 1996-1999 Malcolm Beattie
   3  *
   4  *      You may distribute under the terms of either the GNU General Public
   5  *      License or the Artistic License, as specified in the README file.
   6  *
   7  */
   8 /*
   9  * This file is autogenerated from bytecode.pl. Changes made here will be lost.
  10  */
  11
  12 #define PERL_NO_GET_CONTEXT
  13 #include "EXTERN.h"
  14 #include "perl.h"
  15 #define NO_XSLOCKS
  16 #include "XSUB.h"
  17
  18 #ifdef PERL_OBJECT
  19 #undef CALL_FPTR
  20 #define CALL_FPTR(fptr) (pPerl->*fptr)
  21 #undef PL_ppaddr
  22 #define PL_ppaddr (*get_ppaddr())
  23 #endif
  24
  25 #include "byterun.h"
  26 #include "bytecode.h"
  27
  28
  29 static int optype_size[] = {
  30     sizeof(OP),
  31     sizeof(UNOP),
  32     sizeof(BINOP),
  33     sizeof(LOGOP),
  34     sizeof(LISTOP),
  35     sizeof(PMOP),
  36     sizeof(SVOP),
  37     sizeof(GVOP),
  38     sizeof(PVOP),
  39     sizeof(LOOP),
  40     sizeof(COP)
  41 };
  42
  43 static SV *specialsv_list[4];
  44
  45 static int bytecode_iv_overflows = 0;
  46 static SV *bytecode_sv;
  47 static XPV bytecode_pv;
  48 static void **bytecode_obj_list;
  49 static I32 bytecode_obj_list_fill = -1;
  50
  51 void *
  52 bset_obj_store(pTHXo_ void *obj, I32 ix)
  53 {
  54     if (ix > bytecode_obj_list_fill) {
  55         if (bytecode_obj_list_fill == -1)
  56             New(666, bytecode_obj_list, ix + 1, void*);
  57         else
  58             Renew(bytecode_obj_list, ix + 1, void*);
  59         bytecode_obj_list_fill = ix;
  60     }
  61     bytecode_obj_list[ix] = obj;
  62     return obj;
  63 }
  64
  65 void
  66 byterun(pTHXo_ struct bytestream bs)
  67 {
  68     dTHR;
  69     int insn;
  70
  71     specialsv_list[0] = Nullsv;
  72     specialsv_list[1] = &PL_sv_undef;
  73     specialsv_list[2] = &PL_sv_yes;
  74     specialsv_list[3] = &PL_sv_no;
  75
  76     while ((insn = BGET_FGETC()) != EOF) {
  77         switch (insn) {
  78           case INSN_COMMENT:            /* 35 */
  79             {
  80                 comment_t arg;
  81                 BGET_comment_t(arg);
  82                 arg = arg;
  83                 break;
  84             }
  85           case INSN_NOP:                /* 10 */
  86             {
  87                 break;
  88             }
  89           case INSN_RET:                /* 0 */
  90             {
  91                 BSET_ret(none);
  92                 break;
  93             }
  94           case INSN_LDSV:               /* 1 */
  95             {
  96                 svindex arg;
  97                 BGET_svindex(arg);
  98                 bytecode_sv = arg;
  99                 break;
 100             }
 101           case INSN_LDOP:               /* 2 */
 102             {
 103                 opindex arg;
 104                 BGET_opindex(arg);
 105                 PL_op = arg;
 106                 break;
 107             }
 108           case INSN_STSV:               /* 3 */
 109             {
 110                 U32 arg;
 111                 BGET_U32(arg);
 112                 BSET_OBJ_STORE(bytecode_sv, arg);
 113                 break;
 114             }
 115           case INSN_STOP:               /* 4 */
 116             {
 117                 U32 arg;
 118                 BGET_U32(arg);
 119                 BSET_OBJ_STORE(PL_op, arg);
 120                 break;
 121             }
 122           case INSN_LDSPECSV:           /* 5 */
 123             {
 124                 U8 arg;
 125                 BGET_U8(arg);
 126                 BSET_ldspecsv(bytecode_sv, arg);
 127                 break;
 128             }
 129           case INSN_NEWSV:              /* 6 */
 130             {
 131                 U8 arg;
 132                 BGET_U8(arg);
 133                 BSET_newsv(bytecode_sv, arg);
 134                 break;
 135             }
 136           case INSN_NEWOP:              /* 7 */
 137             {
 138                 U8 arg;
 139                 BGET_U8(arg);
 140                 BSET_newop(PL_op, arg);
 141                 break;
 142             }
 143           case INSN_NEWOPN:             /* 8 */
 144             {
 145                 U8 arg;
 146                 BGET_U8(arg);
 147                 BSET_newopn(PL_op, arg);
 148                 break;
 149             }
 150           case INSN_NEWPV:              /* 9 */
 151             {
 152                 PV arg;
 153                 BGET_PV(arg);
 154                 break;
 155             }
 156           case INSN_PV_CUR:             /* 11 */
 157             {
 158                 STRLEN arg;
 159                 BGET_U32(arg);
 160                 bytecode_pv.xpv_cur = arg;
 161                 break;
 162             }
 163           case INSN_PV_FREE:            /* 12 */
 164             {
 165                 BSET_pv_free(bytecode_pv);
 166                 break;
 167             }
 168           case INSN_SV_UPGRADE:         /* 13 */
 169             {
 170                 char arg;
 171                 BGET_U8(arg);
 172                 BSET_sv_upgrade(bytecode_sv, arg);
 173                 break;
 174             }
 175           case INSN_SV_REFCNT:          /* 14 */
 176             {
 177                 U32 arg;
 178                 BGET_U32(arg);
 179                 SvREFCNT(bytecode_sv) = arg;
 180                 break;
 181             }
 182           case INSN_SV_REFCNT_ADD:              /* 15 */
 183             {
 184                 I32 arg;
 185                 BGET_I32(arg);
 186                 BSET_sv_refcnt_add(SvREFCNT(bytecode_sv), arg);
 187                 break;
 188             }
 189           case INSN_SV_FLAGS:           /* 16 */
 190             {
 191                 U32 arg;
 192                 BGET_U32(arg);
 193                 SvFLAGS(bytecode_sv) = arg;
 194                 break;
 195             }
 196           case INSN_XRV:                /* 17 */
 197             {
 198                 svindex arg;
 199                 BGET_svindex(arg);
 200                 SvRV(bytecode_sv) = arg;
 201                 break;
 202             }
 203           case INSN_XPV:                /* 18 */
 204             {
 205                 BSET_xpv(bytecode_sv);
 206                 break;
 207             }
 208           case INSN_XIV32:              /* 19 */
 209             {
 210                 I32 arg;
 211                 BGET_I32(arg);
 212                 SvIVX(bytecode_sv) = arg;
 213                 break;
 214             }
 215           case INSN_XIV64:              /* 20 */
 216             {
 217                 IV64 arg;
 218                 BGET_IV64(arg);
 219                 SvIVX(bytecode_sv) = arg;
 220                 break;
 221             }
 222           case INSN_XNV:                /* 21 */
 223             {
 224                 NV arg;
 225                 BGET_NV(arg);
 226                 SvNVX(bytecode_sv) = arg;
 227                 break;
 228             }
 229           case INSN_XLV_TARGOFF:                /* 22 */
 230             {
 231                 STRLEN arg;
 232                 BGET_U32(arg);
 233                 LvTARGOFF(bytecode_sv) = arg;
 234                 break;
 235             }
 236           case INSN_XLV_TARGLEN:                /* 23 */
 237             {
 238                 STRLEN arg;
 239                 BGET_U32(arg);
 240                 LvTARGLEN(bytecode_sv) = arg;
 241                 break;
 242             }
 243           case INSN_XLV_TARG:           /* 24 */
 244             {
 245                 svindex arg;
 246                 BGET_svindex(arg);
 247                 LvTARG(bytecode_sv) = arg;
 248                 break;
 249             }
 250           case INSN_XLV_TYPE:           /* 25 */
 251             {
 252                 char arg;
 253                 BGET_U8(arg);
 254                 LvTYPE(bytecode_sv) = arg;
 255                 break;
 256             }
 257           case INSN_XBM_USEFUL:         /* 26 */
 258             {
 259                 I32 arg;
 260                 BGET_I32(arg);
 261                 BmUSEFUL(bytecode_sv) = arg;
 262                 break;
 263             }
 264           case INSN_XBM_PREVIOUS:               /* 27 */
 265             {
 266                 U16 arg;
 267                 BGET_U16(arg);
 268                 BmPREVIOUS(bytecode_sv) = arg;
 269                 break;
 270             }
 271           case INSN_XBM_RARE:           /* 28 */
 272             {
 273                 U8 arg;
 274                 BGET_U8(arg);
 275                 BmRARE(bytecode_sv) = arg;
 276                 break;
 277             }
 278           case INSN_XFM_LINES:          /* 29 */
 279             {
 280                 I32 arg;
 281                 BGET_I32(arg);
 282                 FmLINES(bytecode_sv) = arg;
 283                 break;
 284             }
 285           case INSN_XIO_LINES:          /* 30 */
 286             {
 287                 long arg;
 288                 BGET_I32(arg);
 289                 IoLINES(bytecode_sv) = arg;
 290                 break;
 291             }
 292           case INSN_XIO_PAGE:           /* 31 */
 293             {
 294                 long arg;
 295                 BGET_I32(arg);
 296                 IoPAGE(bytecode_sv) = arg;
 297                 break;
 298             }
 299           case INSN_XIO_PAGE_LEN:               /* 32 */
 300             {
 301                 long arg;
 302                 BGET_I32(arg);
 303                 IoPAGE_LEN(bytecode_sv) = arg;
 304                 break;
 305             }
 306           case INSN_XIO_LINES_LEFT:             /* 33 */
 307             {
 308                 long arg;
 309                 BGET_I32(arg);
 310                 IoLINES_LEFT(bytecode_sv) = arg;
 311                 break;
 312             }
 313           case INSN_XIO_TOP_NAME:               /* 34 */
 314             {
 315                 pvcontents arg;
 316                 BGET_pvcontents(arg);
 317                 IoTOP_NAME(bytecode_sv) = arg;
 318                 break;
 319             }
 320           case INSN_XIO_TOP_GV:         /* 36 */
 321             {
 322                 svindex arg;
 323                 BGET_svindex(arg);
 324                 *(SV**)&IoTOP_GV(bytecode_sv) = arg;
 325                 break;
 326             }
 327           case INSN_XIO_FMT_NAME:               /* 37 */
 328             {
 329                 pvcontents arg;
 330                 BGET_pvcontents(arg);
 331                 IoFMT_NAME(bytecode_sv) = arg;
 332                 break;
 333             }
 334           case INSN_XIO_FMT_GV:         /* 38 */
 335             {
 336                 svindex arg;
 337                 BGET_svindex(arg);
 338                 *(SV**)&IoFMT_GV(bytecode_sv) = arg;
 339                 break;
 340             }
 341           case INSN_XIO_BOTTOM_NAME:            /* 39 */
 342             {
 343                 pvcontents arg;
 344                 BGET_pvcontents(arg);
 345                 IoBOTTOM_NAME(bytecode_sv) = arg;
 346                 break;
 347             }
 348           case INSN_XIO_BOTTOM_GV:              /* 40 */
 349             {
 350                 svindex arg;
 351                 BGET_svindex(arg);
 352                 *(SV**)&IoBOTTOM_GV(bytecode_sv) = arg;
 353                 break;
 354             }
 355           case INSN_XIO_SUBPROCESS:             /* 41 */
 356             {
 357                 short arg;
 358                 BGET_U16(arg);
 359                 IoSUBPROCESS(bytecode_sv) = arg;
 360                 break;
 361             }
 362           case INSN_XIO_TYPE:           /* 42 */
 363             {
 364                 char arg;
 365                 BGET_U8(arg);
 366                 IoTYPE(bytecode_sv) = arg;
 367                 break;
 368             }
 369           case INSN_XIO_FLAGS:          /* 43 */
 370             {
 371                 char arg;
 372                 BGET_U8(arg);
 373                 IoFLAGS(bytecode_sv) = arg;
 374                 break;
 375             }
 376           case INSN_XCV_STASH:          /* 44 */
 377             {
 378                 svindex arg;
 379                 BGET_svindex(arg);
 380                 *(SV**)&CvSTASH(bytecode_sv) = arg;
 381                 break;
 382             }
 383           case INSN_XCV_START:          /* 45 */
 384             {
 385                 opindex arg;
 386                 BGET_opindex(arg);
 387                 CvSTART(bytecode_sv) = arg;
 388                 break;
 389             }
 390           case INSN_XCV_ROOT:           /* 46 */
 391             {
 392                 opindex arg;
 393                 BGET_opindex(arg);
 394                 CvROOT(bytecode_sv) = arg;
 395                 break;
 396             }
 397           case INSN_XCV_GV:             /* 47 */
 398             {
 399                 svindex arg;
 400                 BGET_svindex(arg);
 401                 *(SV**)&CvGV(bytecode_sv) = arg;
 402                 break;
 403             }
 404           case INSN_XCV_FILEGV:         /* 48 */
 405             {
 406                 svindex arg;
 407                 BGET_svindex(arg);
 408                 *(SV**)&CvFILEGV(bytecode_sv) = arg;
 409                 break;
 410             }
 411           case INSN_XCV_DEPTH:          /* 49 */
 412             {
 413                 long arg;
 414                 BGET_I32(arg);
 415                 CvDEPTH(bytecode_sv) = arg;
 416                 break;
 417             }
 418           case INSN_XCV_PADLIST:                /* 50 */
 419             {
 420                 svindex arg;
 421                 BGET_svindex(arg);
 422                 *(SV**)&CvPADLIST(bytecode_sv) = arg;
 423                 break;
 424             }
 425           case INSN_XCV_OUTSIDE:                /* 51 */
 426             {
 427                 svindex arg;
 428                 BGET_svindex(arg);
 429                 *(SV**)&CvOUTSIDE(bytecode_sv) = arg;
 430                 break;
 431             }
 432           case INSN_XCV_FLAGS:          /* 52 */
 433             {
 434                 U8 arg;
 435                 BGET_U8(arg);
 436                 CvFLAGS(bytecode_sv) = arg;
 437                 break;
 438             }
 439           case INSN_AV_EXTEND:          /* 53 */
 440             {
 441                 SSize_t arg;
 442                 BGET_I32(arg);
 443                 BSET_av_extend(bytecode_sv, arg);
 444                 break;
 445             }
 446           case INSN_AV_PUSH:            /* 54 */
 447             {
 448                 svindex arg;
 449                 BGET_svindex(arg);
 450                 BSET_av_push(bytecode_sv, arg);
 451                 break;
 452             }
 453           case INSN_XAV_FILL:           /* 55 */
 454             {
 455                 SSize_t arg;
 456                 BGET_I32(arg);
 457                 AvFILLp(bytecode_sv) = arg;
 458                 break;
 459             }
 460           case INSN_XAV_MAX:            /* 56 */
 461             {
 462                 SSize_t arg;
 463                 BGET_I32(arg);
 464                 AvMAX(bytecode_sv) = arg;
 465                 break;
 466             }
 467           case INSN_XAV_FLAGS:          /* 57 */
 468             {
 469                 U8 arg;
 470                 BGET_U8(arg);
 471                 AvFLAGS(bytecode_sv) = arg;
 472                 break;
 473             }
 474           case INSN_XHV_RITER:          /* 58 */
 475             {
 476                 I32 arg;
 477                 BGET_I32(arg);
 478                 HvRITER(bytecode_sv) = arg;
 479                 break;
 480             }
 481           case INSN_XHV_NAME:           /* 59 */
 482             {
 483                 pvcontents arg;
 484                 BGET_pvcontents(arg);
 485                 HvNAME(bytecode_sv) = arg;
 486                 break;
 487             }
 488           case INSN_HV_STORE:           /* 60 */
 489             {
 490                 svindex arg;
 491                 BGET_svindex(arg);
 492                 BSET_hv_store(bytecode_sv, arg);
 493                 break;
 494             }
 495           case INSN_SV_MAGIC:           /* 61 */
 496             {
 497                 char arg;
 498                 BGET_U8(arg);
 499                 BSET_sv_magic(bytecode_sv, arg);
 500                 break;
 501             }
 502           case INSN_MG_OBJ:             /* 62 */
 503             {
 504                 svindex arg;
 505                 BGET_svindex(arg);
 506                 SvMAGIC(bytecode_sv)->mg_obj = arg;
 507                 break;
 508             }
 509           case INSN_MG_PRIVATE:         /* 63 */
 510             {
 511                 U16 arg;
 512                 BGET_U16(arg);
 513                 SvMAGIC(bytecode_sv)->mg_private = arg;
 514                 break;
 515             }
 516           case INSN_MG_FLAGS:           /* 64 */
 517             {
 518                 U8 arg;
 519                 BGET_U8(arg);
 520                 SvMAGIC(bytecode_sv)->mg_flags = arg;
 521                 break;
 522             }
 523           case INSN_MG_PV:              /* 65 */
 524             {
 525                 pvcontents arg;
 526                 BGET_pvcontents(arg);
 527                 BSET_mg_pv(SvMAGIC(bytecode_sv), arg);
 528                 break;
 529             }
 530           case INSN_XMG_STASH:          /* 66 */
 531             {
 532                 svindex arg;
 533                 BGET_svindex(arg);
 534                 *(SV**)&SvSTASH(bytecode_sv) = arg;
 535                 break;
 536             }
 537           case INSN_GV_FETCHPV:         /* 67 */
 538             {
 539                 strconst arg;
 540                 BGET_strconst(arg);
 541                 BSET_gv_fetchpv(bytecode_sv, arg);
 542                 break;
 543             }
 544           case INSN_GV_STASHPV:         /* 68 */
 545             {
 546                 strconst arg;
 547                 BGET_strconst(arg);
 548                 BSET_gv_stashpv(bytecode_sv, arg);
 549                 break;
 550             }
 551           case INSN_GP_SV:              /* 69 */
 552             {
 553                 svindex arg;
 554                 BGET_svindex(arg);
 555                 GvSV(bytecode_sv) = arg;
 556                 break;
 557             }
 558           case INSN_GP_REFCNT:          /* 70 */
 559             {
 560                 U32 arg;
 561                 BGET_U32(arg);
 562                 GvREFCNT(bytecode_sv) = arg;
 563                 break;
 564             }
 565           case INSN_GP_REFCNT_ADD:              /* 71 */
 566             {
 567                 I32 arg;
 568                 BGET_I32(arg);
 569                 BSET_gp_refcnt_add(GvREFCNT(bytecode_sv), arg);
 570                 break;
 571             }
 572           case INSN_GP_AV:              /* 72 */
 573             {
 574                 svindex arg;
 575                 BGET_svindex(arg);
 576                 *(SV**)&GvAV(bytecode_sv) = arg;
 577                 break;
 578             }
 579           case INSN_GP_HV:              /* 73 */
 580             {
 581                 svindex arg;
 582                 BGET_svindex(arg);
 583                 *(SV**)&GvHV(bytecode_sv) = arg;
 584                 break;
 585             }
 586           case INSN_GP_CV:              /* 74 */
 587             {
 588                 svindex arg;
 589                 BGET_svindex(arg);
 590                 *(SV**)&GvCV(bytecode_sv) = arg;
 591                 break;
 592             }
 593           case INSN_GP_FILEGV:          /* 75 */
 594             {
 595                 svindex arg;
 596                 BGET_svindex(arg);
 597                 *(SV**)&GvFILEGV(bytecode_sv) = arg;
 598                 break;
 599             }
 600           case INSN_GP_IO:              /* 76 */
 601             {
 602                 svindex arg;
 603                 BGET_svindex(arg);
 604                 *(SV**)&GvIOp(bytecode_sv) = arg;
 605                 break;
 606             }
 607           case INSN_GP_FORM:            /* 77 */
 608             {
 609                 svindex arg;
 610                 BGET_svindex(arg);
 611                 *(SV**)&GvFORM(bytecode_sv) = arg;
 612                 break;
 613             }
 614           case INSN_GP_CVGEN:           /* 78 */
 615             {
 616                 U32 arg;
 617                 BGET_U32(arg);
 618                 GvCVGEN(bytecode_sv) = arg;
 619                 break;
 620             }
 621           case INSN_GP_LINE:            /* 79 */
 622             {
 623                 line_t arg;
 624                 BGET_U16(arg);
 625                 GvLINE(bytecode_sv) = arg;
 626                 break;
 627             }
 628           case INSN_GP_SHARE:           /* 80 */
 629             {
 630                 svindex arg;
 631                 BGET_svindex(arg);
 632                 BSET_gp_share(bytecode_sv, arg);
 633                 break;
 634             }
 635           case INSN_XGV_FLAGS:          /* 81 */
 636             {
 637                 U8 arg;
 638                 BGET_U8(arg);
 639                 GvFLAGS(bytecode_sv) = arg;
 640                 break;
 641             }
 642           case INSN_OP_NEXT:            /* 82 */
 643             {
 644                 opindex arg;
 645                 BGET_opindex(arg);
 646                 PL_op->op_next = arg;
 647                 break;
 648             }
 649           case INSN_OP_SIBLING:         /* 83 */
 650             {
 651                 opindex arg;
 652                 BGET_opindex(arg);
 653                 PL_op->op_sibling = arg;
 654                 break;
 655             }
 656           case INSN_OP_PPADDR:          /* 84 */
 657             {
 658                 strconst arg;
 659                 BGET_strconst(arg);
 660                 BSET_op_ppaddr(PL_op->op_ppaddr, arg);
 661                 break;
 662             }
 663           case INSN_OP_TARG:            /* 85 */
 664             {
 665                 PADOFFSET arg;
 666                 BGET_U32(arg);
 667                 PL_op->op_targ = arg;
 668                 break;
 669             }
 670           case INSN_OP_TYPE:            /* 86 */
 671             {
 672                 OPCODE arg;
 673                 BGET_U16(arg);
 674                 BSET_op_type(PL_op, arg);
 675                 break;
 676             }
 677           case INSN_OP_SEQ:             /* 87 */
 678             {
 679                 U16 arg;
 680                 BGET_U16(arg);
 681                 PL_op->op_seq = arg;
 682                 break;
 683             }
 684           case INSN_OP_FLAGS:           /* 88 */
 685             {
 686                 U8 arg;
 687                 BGET_U8(arg);
 688                 PL_op->op_flags = arg;
 689                 break;
 690             }
 691           case INSN_OP_PRIVATE:         /* 89 */
 692             {
 693                 U8 arg;
 694                 BGET_U8(arg);
 695                 PL_op->op_private = arg;
 696                 break;
 697             }
 698           case INSN_OP_FIRST:           /* 90 */
 699             {
 700                 opindex arg;
 701                 BGET_opindex(arg);
 702                 cUNOP->op_first = arg;
 703                 break;
 704             }
 705           case INSN_OP_LAST:            /* 91 */
 706             {
 707                 opindex arg;
 708                 BGET_opindex(arg);
 709                 cBINOP->op_last = arg;
 710                 break;
 711             }
 712           case INSN_OP_OTHER:           /* 92 */
 713             {
 714                 opindex arg;
 715                 BGET_opindex(arg);
 716                 cLOGOP->op_other = arg;
 717                 break;
 718             }
 719           case INSN_OP_CHILDREN:                /* 93 */
 720             {
 721                 U32 arg;
 722                 BGET_U32(arg);
 723                 cLISTOP->op_children = arg;
 724                 break;
 725             }
 726           case INSN_OP_PMREPLROOT:              /* 94 */
 727             {
 728                 opindex arg;
 729                 BGET_opindex(arg);
 730                 cPMOP->op_pmreplroot = arg;
 731                 break;
 732             }
 733           case INSN_OP_PMREPLROOTGV:            /* 95 */
 734             {
 735                 svindex arg;
 736                 BGET_svindex(arg);
 737                 *(SV**)&cPMOP->op_pmreplroot = arg;
 738                 break;
 739             }
 740           case INSN_OP_PMREPLSTART:             /* 96 */
 741             {
 742                 opindex arg;
 743                 BGET_opindex(arg);
 744                 cPMOP->op_pmreplstart = arg;
 745                 break;
 746             }
 747           case INSN_OP_PMNEXT:          /* 97 */
 748             {
 749                 opindex arg;
 750                 BGET_opindex(arg);
 751                 *(OP**)&cPMOP->op_pmnext = arg;
 752                 break;
 753             }
 754           case INSN_PREGCOMP:           /* 98 */
 755             {
 756                 pvcontents arg;
 757                 BGET_pvcontents(arg);
 758                 BSET_pregcomp(PL_op, arg);
 759                 break;
 760             }
 761           case INSN_OP_PMFLAGS:         /* 99 */
 762             {
 763                 U16 arg;
 764                 BGET_U16(arg);
 765                 cPMOP->op_pmflags = arg;
 766                 break;
 767             }
 768           case INSN_OP_PMPERMFLAGS:             /* 100 */
 769             {
 770                 U16 arg;
 771                 BGET_U16(arg);
 772                 cPMOP->op_pmpermflags = arg;
 773                 break;
 774             }
 775           case INSN_OP_SV:              /* 101 */
 776             {
 777                 svindex arg;
 778                 BGET_svindex(arg);
 779                 cSVOP->op_sv = arg;
 780                 break;
 781             }
 782           case INSN_OP_GV:              /* 102 */
 783             {
 784                 svindex arg;
 785                 BGET_svindex(arg);
 786                 *(SV**)&cGVOP->op_gv = arg;
 787                 break;
 788             }
 789           case INSN_OP_PV:              /* 103 */
 790             {
 791                 pvcontents arg;
 792                 BGET_pvcontents(arg);
 793                 cPVOP->op_pv = arg;
 794                 break;
 795             }
 796           case INSN_OP_PV_TR:           /* 104 */
 797             {
 798                 op_tr_array arg;
 799                 BGET_op_tr_array(arg);
 800                 cPVOP->op_pv = arg;
 801                 break;
 802             }
 803           case INSN_OP_REDOOP:          /* 105 */
 804             {
 805                 opindex arg;
 806                 BGET_opindex(arg);
 807                 cLOOP->op_redoop = arg;
 808                 break;
 809             }
 810           case INSN_OP_NEXTOP:          /* 106 */
 811             {
 812                 opindex arg;
 813                 BGET_opindex(arg);
 814                 cLOOP->op_nextop = arg;
 815                 break;
 816             }
 817           case INSN_OP_LASTOP:          /* 107 */
 818             {
 819                 opindex arg;
 820                 BGET_opindex(arg);
 821                 cLOOP->op_lastop = arg;
 822                 break;
 823             }
 824           case INSN_COP_LABEL:          /* 108 */
 825             {
 826                 pvcontents arg;
 827                 BGET_pvcontents(arg);
 828                 cCOP->cop_label = arg;
 829                 break;
 830             }
 831           case INSN_COP_STASH:          /* 109 */
 832             {
 833                 svindex arg;
 834                 BGET_svindex(arg);
 835                 *(SV**)&cCOP->cop_stash = arg;
 836                 break;
 837             }
 838           case INSN_COP_FILEGV:         /* 110 */
 839             {
 840                 svindex arg;
 841                 BGET_svindex(arg);
 842                 *(SV**)&cCOP->cop_filegv = arg;
 843                 break;
 844             }
 845           case INSN_COP_SEQ:            /* 111 */
 846             {
 847                 U32 arg;
 848                 BGET_U32(arg);
 849                 cCOP->cop_seq = arg;
 850                 break;
 851             }
 852           case INSN_COP_ARYBASE:                /* 112 */
 853             {
 854                 I32 arg;
 855                 BGET_I32(arg);
 856                 cCOP->cop_arybase = arg;
 857                 break;
 858             }
 859           case INSN_COP_LINE:           /* 113 */
 860             {
 861                 line_t arg;
 862                 BGET_U16(arg);
 863                 cCOP->cop_line = arg;
 864                 break;
 865             }
 866           case INSN_COP_WARNINGS:               /* 114 */
 867             {
 868                 svindex arg;
 869                 BGET_svindex(arg);
 870                 cCOP->cop_warnings = arg;
 871                 break;
 872             }
 873           case INSN_MAIN_START:         /* 115 */
 874             {
 875                 opindex arg;
 876                 BGET_opindex(arg);
 877                 PL_main_start = arg;
 878                 break;
 879             }
 880           case INSN_MAIN_ROOT:          /* 116 */
 881             {
 882                 opindex arg;
 883                 BGET_opindex(arg);
 884                 PL_main_root = arg;
 885                 break;
 886             }
 887           case INSN_CURPAD:             /* 117 */
 888             {
 889                 svindex arg;
 890                 BGET_svindex(arg);
 891                 BSET_curpad(PL_curpad, arg);
 892                 break;
 893             }
 894           default:
 895             Perl_croak(aTHX_ "Illegal bytecode instruction %d\n", insn);
 896             /* NOTREACHED */
 897         }
 898     }
 899 }