prvm_execprogram.h

   1
   2 // This code isn't #ifdef/#define protectable, don't try.
   3
   4                 while (1)
   5                 {
   6                         st++;
   7                         if (++profile > 10000000) // LordHavoc: increased runaway loop limit 100x
   8                         {
   9                                 // LordHavoc: update profile counter for debugging reasons
  10                                 // (identifying erroneous loops and recursion patterns)
  11                                 prog->xfunction->profile += profile - startprofile;
  12                                 startprofile = profile;
  13                                 // update the statement number before we error out
  14                                 prog->xstatement = st - prog->statements;
  15                                 PRVM_ERROR("runaway loop counter hit limit of %d opcodes\ntip: if having trouble identifying the problem, try typing profile now in %s", profile, PRVM_NAME);
  16                         }
  17
  18 #if PRVMTRACE
  19                         prog->xfunction->profile += profile - startprofile;
  20                         startprofile = profile;
  21                         prog->xstatement = st - prog->statements;
  22                         PRVM_PrintStatement(st);
  23 #endif
  24
  25                         switch (st->op)
  26                         {
  27                         case OP_ADD_F:
  28                                 OPC->_float = OPA->_float + OPB->_float;
  29                                 break;
  30                         case OP_ADD_V:
  31                                 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
  32                                 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
  33                                 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
  34                                 break;
  35                         case OP_SUB_F:
  36                                 OPC->_float = OPA->_float - OPB->_float;
  37                                 break;
  38                         case OP_SUB_V:
  39                                 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
  40                                 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
  41                                 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
  42                                 break;
  43                         case OP_MUL_F:
  44                                 OPC->_float = OPA->_float * OPB->_float;
  45                                 break;
  46                         case OP_MUL_V:
  47                                 OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
  48                                 break;
  49                         case OP_MUL_FV:
  50                                 OPC->vector[0] = OPA->_float * OPB->vector[0];
  51                                 OPC->vector[1] = OPA->_float * OPB->vector[1];
  52                                 OPC->vector[2] = OPA->_float * OPB->vector[2];
  53                                 break;
  54                         case OP_MUL_VF:
  55                                 OPC->vector[0] = OPB->_float * OPA->vector[0];
  56                                 OPC->vector[1] = OPB->_float * OPA->vector[1];
  57                                 OPC->vector[2] = OPB->_float * OPA->vector[2];
  58                                 break;
  59                         case OP_DIV_F:
  60                                 OPC->_float = OPA->_float / OPB->_float;
  61                                 break;
  62                         case OP_BITAND:
  63                                 OPC->_float = (int)OPA->_float & (int)OPB->_float;
  64                                 break;
  65                         case OP_BITOR:
  66                                 OPC->_float = (int)OPA->_float | (int)OPB->_float;
  67                                 break;
  68                         case OP_GE:
  69                                 OPC->_float = OPA->_float >= OPB->_float;
  70                                 break;
  71                         case OP_LE:
  72                                 OPC->_float = OPA->_float <= OPB->_float;
  73                                 break;
  74                         case OP_GT:
  75                                 OPC->_float = OPA->_float > OPB->_float;
  76                                 break;
  77                         case OP_LT:
  78                                 OPC->_float = OPA->_float < OPB->_float;
  79                                 break;
  80                         case OP_AND:
  81                                 OPC->_float = OPA->_float && OPB->_float;
  82                                 break;
  83                         case OP_OR:
  84                                 OPC->_float = OPA->_float || OPB->_float;
  85                                 break;
  86                         case OP_NOT_F:
  87                                 OPC->_float = !OPA->_float;
  88                                 break;
  89                         case OP_NOT_V:
  90                                 OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
  91                                 break;
  92                         case OP_NOT_S:
  93                                 OPC->_float = !OPA->string || !*PRVM_GetString(OPA->string);
  94                                 break;
  95                         case OP_NOT_FNC:
  96                                 OPC->_float = !OPA->function;
  97                                 break;
  98                         case OP_NOT_ENT:
  99                                 OPC->_float = (OPA->edict == 0);
 100                                 break;
 101                         case OP_EQ_F:
 102                                 OPC->_float = OPA->_float == OPB->_float;
 103                                 break;
 104                         case OP_EQ_V:
 105                                 OPC->_float = (OPA->vector[0] == OPB->vector[0]) && (OPA->vector[1] == OPB->vector[1]) && (OPA->vector[2] == OPB->vector[2]);
 106                                 break;
 107                         case OP_EQ_S:
 108                                 OPC->_float = !strcmp(PRVM_GetString(OPA->string),PRVM_GetString(OPB->string));
 109                                 break;
 110                         case OP_EQ_E:
 111                                 OPC->_float = OPA->_int == OPB->_int;
 112                                 break;
 113                         case OP_EQ_FNC:
 114                                 OPC->_float = OPA->function == OPB->function;
 115                                 break;
 116                         case OP_NE_F:
 117                                 OPC->_float = OPA->_float != OPB->_float;
 118                                 break;
 119                         case OP_NE_V:
 120                                 OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
 121                                 break;
 122                         case OP_NE_S:
 123                                 OPC->_float = strcmp(PRVM_GetString(OPA->string),PRVM_GetString(OPB->string));
 124                                 break;
 125                         case OP_NE_E:
 126                                 OPC->_float = OPA->_int != OPB->_int;
 127                                 break;
 128                         case OP_NE_FNC:
 129                                 OPC->_float = OPA->function != OPB->function;
 130                                 break;
 131
 132                 //==================
 133                         case OP_STORE_F:
 134                         case OP_STORE_ENT:
 135                         case OP_STORE_FLD:              // integers
 136                         case OP_STORE_S:
 137                         case OP_STORE_FNC:              // pointers
 138                                 OPB->_int = OPA->_int;
 139                                 break;
 140                         case OP_STORE_V:
 141                                 OPB->ivector[0] = OPA->ivector[0];
 142                                 OPB->ivector[1] = OPA->ivector[1];
 143                                 OPB->ivector[2] = OPA->ivector[2];
 144                                 break;
 145
 146                         case OP_STOREP_F:
 147                         case OP_STOREP_ENT:
 148                         case OP_STOREP_FLD:             // integers
 149                         case OP_STOREP_S:
 150                         case OP_STOREP_FNC:             // pointers
 151 #if PRVMBOUNDSCHECK
 152                                 if (OPB->_int < 0 || OPB->_int + 4 > prog->edictareasize)
 153                                 {
 154                                         prog->xfunction->profile += profile - startprofile;
 155                                         startprofile = profile;
 156                                         prog->xstatement = st - prog->statements;
 157                                         PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)\n", PRVM_NAME, OPB->_int);
 158                                         return;
 159                                 }
 160 #endif
 161                                 ptr = (prvm_eval_t *)((qbyte *)prog->edictsfields + OPB->_int);
 162                                 ptr->_int = OPA->_int;
 163                                 break;
 164                         case OP_STOREP_V:
 165 #if PRVMBOUNDSCHECK
 166                                 if (OPB->_int < 0 || OPB->_int + 12 > prog->edictareasize)
 167                                 {
 168                                         prog->xfunction->profile += profile - startprofile;
 169                                         startprofile = profile;
 170                                         prog->xstatement = st - prog->statements;
 171                                         PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)\n", PRVM_NAME, OPB->_int);
 172                                         return;
 173                                 }
 174 #endif
 175                                 ptr = (prvm_eval_t *)((qbyte *)prog->edictsfields + OPB->_int);
 176                                 ptr->vector[0] = OPA->vector[0];
 177                                 ptr->vector[1] = OPA->vector[1];
 178                                 ptr->vector[2] = OPA->vector[2];
 179                                 break;
 180
 181                         case OP_ADDRESS:
 182 #if PRVMBOUNDSCHECK
 183                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->progs->entityfields))
 184                                 {
 185                                         prog->xfunction->profile += profile - startprofile;
 186                                         startprofile = profile;
 187                                         prog->xstatement = st - prog->statements;
 188                                         PRVM_ERROR("%s attempted to address an invalid field (%i) in an edict\n", PRVM_NAME, OPB->_int);
 189                                         return;
 190                                 }
 191 #endif
 192                                 if (OPA->edict == 0 && !prog->allowworldwrites)
 193                                 {
 194                                         prog->xfunction->profile += profile - startprofile;
 195                                         startprofile = profile;
 196                                         prog->xstatement = st - prog->statements;
 197                                         PRVM_ERROR("forbidden assignment to null/world entity in %s", PRVM_NAME);
 198                                         return;
 199                                 }
 200                                 ed = PRVM_PROG_TO_EDICT(OPA->edict);
 201                                 OPC->_int = (qbyte *)((int *)ed->fields.vp + OPB->_int) - (qbyte *)prog->edictsfields;
 202                                 break;
 203
 204                         case OP_LOAD_F:
 205                         case OP_LOAD_FLD:
 206                         case OP_LOAD_ENT:
 207                         case OP_LOAD_S:
 208                         case OP_LOAD_FNC:
 209 #if PRVMBOUNDSCHECK
 210                                 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->progs->entityfields))
 211                                 {
 212                                         prog->xfunction->profile += profile - startprofile;
 213                                         startprofile = profile;
 214                                         prog->xstatement = st - prog->statements;
 215                                         PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)\n", PRVM_NAME, OPB->_int);
 216                                         return;
 217                                 }
 218 #endif
 219                                 ed = PRVM_PROG_TO_EDICT(OPA->edict);
 220                                 OPC->_int = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->_int;
 221                                 break;
 222
 223                         case OP_LOAD_V:
 224 #if PRVMBOUNDSCHECK
 225                                 if (OPB->_int < 0 || OPB->_int + 2 >= prog->progs->entityfields)
 226                                 {
 227                                         prog->xfunction->profile += profile - startprofile;
 228                                         startprofile = profile;
 229                                         prog->xstatement = st - prog->statements;
 230                                         PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)\n", PRVM_NAME, OPB->_int);
 231                                         return;
 232                                 }
 233 #endif
 234                                 ed = PRVM_PROG_TO_EDICT(OPA->edict);
 235                                 OPC->vector[0] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->vector[0];
 236                                 OPC->vector[1] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->vector[1];
 237                                 OPC->vector[2] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->vector[2];
 238                                 break;
 239
 240                 //==================
 241
 242                         case OP_IFNOT:
 243                                 if (!OPA->_int)
 244                                         st += st->b - 1;        // offset the s++
 245                                 break;
 246
 247                         case OP_IF:
 248                                 if (OPA->_int)
 249                                         st += st->b - 1;        // offset the s++
 250                                 break;
 251
 252                         case OP_GOTO:
 253                                 st += st->a - 1;        // offset the s++
 254                                 break;
 255
 256                         case OP_CALL0:
 257                         case OP_CALL1:
 258                         case OP_CALL2:
 259                         case OP_CALL3:
 260                         case OP_CALL4:
 261                         case OP_CALL5:
 262                         case OP_CALL6:
 263                         case OP_CALL7:
 264                         case OP_CALL8:
 265                                 prog->xfunction->profile += profile - startprofile;
 266                                 startprofile = profile;
 267                                 prog->xstatement = st - prog->statements;
 268                                 prog->argc = st->op - OP_CALL0;
 269                                 if (!OPA->function)
 270                                         PRVM_ERROR("NULL function in %s", PRVM_NAME);
 271
 272                                 newf = &prog->functions[OPA->function];
 273                                 newf->callcount++;
 274
 275                                 if (newf->first_statement < 0)
 276                                 {
 277                                         // negative statements are built in functions
 278                                         int builtinnumber = -newf->first_statement;
 279                                         prog->xfunction->builtinsprofile++;
 280                                         if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
 281                                                 prog->builtins[builtinnumber]();
 282                                         else
 283                                                 PRVM_ERROR("No such builtin #%i in %s", builtinnumber, PRVM_NAME);
 284                                 }
 285                                 else
 286                                         st = prog->statements + PRVM_EnterFunction(newf);
 287                                 break;
 288
 289                         case OP_DONE:
 290                         case OP_RETURN:
 291                                 prog->xfunction->profile += profile - startprofile;
 292                                 startprofile = profile;
 293                                 prog->xstatement = st - prog->statements;
 294
 295                                 prog->globals.generic[OFS_RETURN] = prog->globals.generic[(unsigned short) st->a];
 296                                 prog->globals.generic[OFS_RETURN+1] = prog->globals.generic[(unsigned short) st->a+1];
 297                                 prog->globals.generic[OFS_RETURN+2] = prog->globals.generic[(unsigned short) st->a+2];
 298
 299                                 st = prog->statements + PRVM_LeaveFunction();
 300                                 if (prog->depth <= exitdepth)
 301                                         return;         // all done
 302                                 if (prog->trace != cachedpr_trace)
 303                                         goto chooseexecprogram;
 304                                 break;
 305
 306                         case OP_STATE:
 307                                 if(prog->flag & PRVM_OP_STATE)
 308                                 {
 309                                         prog->xfunction->profile += profile - startprofile;
 310                                         startprofile = profile;
 311                                         prog->xstatement = st - prog->statements;
 312                                         ed = PRVM_PROG_TO_EDICT(PRVM_G_INT(prog->self->ofs));
 313                                         PRVM_E_FLOAT(ed,PRVM_ED_FindField ("nextthink")->ofs) = *prog->time + 0.1;
 314                                         PRVM_E_FLOAT(ed,PRVM_ED_FindField ("frame")->ofs) = OPA->_float;
 315                                         *(func_t *)((float*)ed->fields.vp + PRVM_ED_FindField ("think")->ofs) = OPB->function;
 316                                 }
 317                                 else
 318                                         PRVM_ERROR("OP_STATE not supported by %s\n", PRVM_NAME);
 319                                 break;
 320
 321 // LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized
 322 /*
 323                         case OP_ADD_I:
 324                                 OPC->_int = OPA->_int + OPB->_int;
 325                                 break;
 326                         case OP_ADD_IF:
 327                                 OPC->_int = OPA->_int + (int) OPB->_float;
 328                                 break;
 329                         case OP_ADD_FI:
 330                                 OPC->_float = OPA->_float + (float) OPB->_int;
 331                                 break;
 332                         case OP_SUB_I:
 333                                 OPC->_int = OPA->_int - OPB->_int;
 334                                 break;
 335                         case OP_SUB_IF:
 336                                 OPC->_int = OPA->_int - (int) OPB->_float;
 337                                 break;
 338                         case OP_SUB_FI:
 339                                 OPC->_float = OPA->_float - (float) OPB->_int;
 340                                 break;
 341                         case OP_MUL_I:
 342                                 OPC->_int = OPA->_int * OPB->_int;
 343                                 break;
 344                         case OP_MUL_IF:
 345                                 OPC->_int = OPA->_int * (int) OPB->_float;
 346                                 break;
 347                         case OP_MUL_FI:
 348                                 OPC->_float = OPA->_float * (float) OPB->_int;
 349                                 break;
 350                         case OP_MUL_VI:
 351                                 OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
 352                                 OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
 353                                 OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
 354                                 break;
 355                         case OP_DIV_VF:
 356                                 {
 357                                         float temp = 1.0f / OPB->_float;
 358                                         OPC->vector[0] = temp * OPA->vector[0];
 359                                         OPC->vector[1] = temp * OPA->vector[1];
 360                                         OPC->vector[2] = temp * OPA->vector[2];
 361                                 }
 362                                 break;
 363                         case OP_DIV_I:
 364                                 OPC->_int = OPA->_int / OPB->_int;
 365                                 break;
 366                         case OP_DIV_IF:
 367                                 OPC->_int = OPA->_int / (int) OPB->_float;
 368                                 break;
 369                         case OP_DIV_FI:
 370                                 OPC->_float = OPA->_float / (float) OPB->_int;
 371                                 break;
 372                         case OP_CONV_IF:
 373                                 OPC->_float = OPA->_int;
 374                                 break;
 375                         case OP_CONV_FI:
 376                                 OPC->_int = OPA->_float;
 377                                 break;
 378                         case OP_BITAND_I:
 379                                 OPC->_int = OPA->_int & OPB->_int;
 380                                 break;
 381                         case OP_BITOR_I:
 382                                 OPC->_int = OPA->_int | OPB->_int;
 383                                 break;
 384                         case OP_BITAND_IF:
 385                                 OPC->_int = OPA->_int & (int)OPB->_float;
 386                                 break;
 387                         case OP_BITOR_IF:
 388                                 OPC->_int = OPA->_int | (int)OPB->_float;
 389                                 break;
 390                         case OP_BITAND_FI:
 391                                 OPC->_float = (int)OPA->_float & OPB->_int;
 392                                 break;
 393                         case OP_BITOR_FI:
 394                                 OPC->_float = (int)OPA->_float | OPB->_int;
 395                                 break;
 396                         case OP_GE_I:
 397                                 OPC->_float = OPA->_int >= OPB->_int;
 398                                 break;
 399                         case OP_LE_I:
 400                                 OPC->_float = OPA->_int <= OPB->_int;
 401                                 break;
 402                         case OP_GT_I:
 403                                 OPC->_float = OPA->_int > OPB->_int;
 404                                 break;
 405                         case OP_LT_I:
 406                                 OPC->_float = OPA->_int < OPB->_int;
 407                                 break;
 408                         case OP_AND_I:
 409                                 OPC->_float = OPA->_int && OPB->_int;
 410                                 break;
 411                         case OP_OR_I:
 412                                 OPC->_float = OPA->_int || OPB->_int;
 413                                 break;
 414                         case OP_GE_IF:
 415                                 OPC->_float = (float)OPA->_int >= OPB->_float;
 416                                 break;
 417                         case OP_LE_IF:
 418                                 OPC->_float = (float)OPA->_int <= OPB->_float;
 419                                 break;
 420                         case OP_GT_IF:
 421                                 OPC->_float = (float)OPA->_int > OPB->_float;
 422                                 break;
 423                         case OP_LT_IF:
 424                                 OPC->_float = (float)OPA->_int < OPB->_float;
 425                                 break;
 426                         case OP_AND_IF:
 427                                 OPC->_float = (float)OPA->_int && OPB->_float;
 428                                 break;
 429                         case OP_OR_IF:
 430                                 OPC->_float = (float)OPA->_int || OPB->_float;
 431                                 break;
 432                         case OP_GE_FI:
 433                                 OPC->_float = OPA->_float >= (float)OPB->_int;
 434                                 break;
 435                         case OP_LE_FI:
 436                                 OPC->_float = OPA->_float <= (float)OPB->_int;
 437                                 break;
 438                         case OP_GT_FI:
 439                                 OPC->_float = OPA->_float > (float)OPB->_int;
 440                                 break;
 441                         case OP_LT_FI:
 442                                 OPC->_float = OPA->_float < (float)OPB->_int;
 443                                 break;
 444                         case OP_AND_FI:
 445                                 OPC->_float = OPA->_float && (float)OPB->_int;
 446                                 break;
 447                         case OP_OR_FI:
 448                                 OPC->_float = OPA->_float || (float)OPB->_int;
 449                                 break;
 450                         case OP_NOT_I:
 451                                 OPC->_float = !OPA->_int;
 452                                 break;
 453                         case OP_EQ_I:
 454                                 OPC->_float = OPA->_int == OPB->_int;
 455                                 break;
 456                         case OP_EQ_IF:
 457                                 OPC->_float = (float)OPA->_int == OPB->_float;
 458                                 break;
 459                         case OP_EQ_FI:
 460                                 OPC->_float = OPA->_float == (float)OPB->_int;
 461                                 break;
 462                         case OP_NE_I:
 463                                 OPC->_float = OPA->_int != OPB->_int;
 464                                 break;
 465                         case OP_NE_IF:
 466                                 OPC->_float = (float)OPA->_int != OPB->_float;
 467                                 break;
 468                         case OP_NE_FI:
 469                                 OPC->_float = OPA->_float != (float)OPB->_int;
 470                                 break;
 471                         case OP_STORE_I:
 472                                 OPB->_int = OPA->_int;
 473                                 break;
 474                         case OP_STOREP_I:
 475 #if PRBOUNDSCHECK
 476                                 if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
 477                                 {
 478                                         pr_xfunction->profile += profile - startprofile;
 479                                         startprofile = profile;
 480                                         pr_xstatement = st - pr_statements;
 481                                         Host_Error("Progs attempted to write to an out of bounds edict\n");
 482                                         return;
 483                                 }
 484 #endif
 485                                 ptr = (prvm_eval_t *)((qbyte *)prog->edictsfields + OPB->_int);
 486                                 ptr->_int = OPA->_int;
 487                                 break;
 488                         case OP_LOAD_I:
 489 #if PRBOUNDSCHECK
 490                                 if (OPA->edict < 0 || OPA->edict >= pr_edictareasize)
 491                                 {
 492                                         pr_xfunction->profile += profile - startprofile;
 493                                         startprofile = profile;
 494                                         pr_xstatement = st - pr_statements;
 495                                         Host_Error("Progs attempted to read an out of bounds edict number\n");
 496                                         return;
 497                                 }
 498                                 if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
 499                                 {
 500                                         pr_xfunction->profile += profile - startprofile;
 501                                         startprofile = profile;
 502                                         pr_xstatement = st - pr_statements;
 503                                         Host_Error("Progs attempted to read an invalid field in an edict\n");
 504                                         return;
 505                                 }
 506 #endif
 507                                 ed = PRVM_PROG_TO_EDICT(OPA->edict);
 508                                 OPC->_int = ((prvm_eval_t *)((int *)ed->v + OPB->_int))->_int;
 509                                 break;
 510
 511                         case OP_GSTOREP_I:
 512                         case OP_GSTOREP_F:
 513                         case OP_GSTOREP_ENT:
 514                         case OP_GSTOREP_FLD:            // integers
 515                         case OP_GSTOREP_S:
 516                         case OP_GSTOREP_FNC:            // pointers
 517 #if PRBOUNDSCHECK
 518                                 if (OPB->_int < 0 || OPB->_int >= pr_globaldefs)
 519                                 {
 520                                         pr_xfunction->profile += profile - startprofile;
 521                                         startprofile = profile;
 522                                         pr_xstatement = st - pr_statements;
 523                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 524                                         return;
 525                                 }
 526 #endif
 527                                 pr_globals[OPB->_int] = OPA->_float;
 528                                 break;
 529                         case OP_GSTOREP_V:
 530 #if PRBOUNDSCHECK
 531                                 if (OPB->_int < 0 || OPB->_int + 2 >= pr_globaldefs)
 532                                 {
 533                                         pr_xfunction->profile += profile - startprofile;
 534                                         startprofile = profile;
 535                                         pr_xstatement = st - pr_statements;
 536                                         Host_Error("Progs attempted to write to an invalid indexed global\n");
 537                                         return;
 538                                 }
 539 #endif
 540                                 pr_globals[OPB->_int  ] = OPA->vector[0];
 541                                 pr_globals[OPB->_int+1] = OPA->vector[1];
 542                                 pr_globals[OPB->_int+2] = OPA->vector[2];
 543                                 break;
 544
 545                         case OP_GADDRESS:
 546                                 i = OPA->_int + (int) OPB->_float;
 547 #if PRBOUNDSCHECK
 548                                 if (i < 0 || i >= pr_globaldefs)
 549                                 {
 550                                         pr_xfunction->profile += profile - startprofile;
 551                                         startprofile = profile;
 552                                         pr_xstatement = st - pr_statements;
 553                                         Host_Error("Progs attempted to address an out of bounds global\n");
 554                                         return;
 555                                 }
 556 #endif
 557                                 OPC->_float = pr_globals[i];
 558                                 break;
 559
 560                         case OP_GLOAD_I:
 561                         case OP_GLOAD_F:
 562                         case OP_GLOAD_FLD:
 563                         case OP_GLOAD_ENT:
 564                         case OP_GLOAD_S:
 565                         case OP_GLOAD_FNC:
 566 #if PRBOUNDSCHECK
 567                                 if (OPA->_int < 0 || OPA->_int >= pr_globaldefs)
 568                                 {
 569                                         pr_xfunction->profile += profile - startprofile;
 570                                         startprofile = profile;
 571                                         pr_xstatement = st - pr_statements;
 572                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 573                                         return;
 574                                 }
 575 #endif
 576                                 OPC->_float = pr_globals[OPA->_int];
 577                                 break;
 578
 579                         case OP_GLOAD_V:
 580 #if PRBOUNDSCHECK
 581                                 if (OPA->_int < 0 || OPA->_int + 2 >= pr_globaldefs)
 582                                 {
 583                                         pr_xfunction->profile += profile - startprofile;
 584                                         startprofile = profile;
 585                                         pr_xstatement = st - pr_statements;
 586                                         Host_Error("Progs attempted to read an invalid indexed global\n");
 587                                         return;
 588                                 }
 589 #endif
 590                                 OPC->vector[0] = pr_globals[OPA->_int  ];
 591                                 OPC->vector[1] = pr_globals[OPA->_int+1];
 592                                 OPC->vector[2] = pr_globals[OPA->_int+2];
 593                                 break;
 594
 595                         case OP_BOUNDCHECK:
 596                                 if (OPA->_int < 0 || OPA->_int >= st->b)
 597                                 {
 598                                         pr_xfunction->profile += profile - startprofile;
 599                                         startprofile = profile;
 600                                         pr_xstatement = st - pr_statements;
 601                                         Host_Error("Progs boundcheck failed at line number %d, value is < 0 or >= %d\n", st->b, st->c);
 602                                         return;
 603                                 }
 604                                 break;
 605
 606 */
 607
 608                         default:
 609                                 prog->xfunction->profile += profile - startprofile;
 610                                 startprofile = profile;
 611                                 prog->xstatement = st - prog->statements;
 612                                 PRVM_ERROR ("Bad opcode %i in %s", st->op, PRVM_NAME);
 613                         }
 614                 }
 615