prvm_exec.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "progsvm.h"
  23
  24 const char *prvm_opnames[] =
  25 {
  26 "^5DONE",
  27
  28 "MUL_F",
  29 "MUL_V",
  30 "MUL_FV",
  31 "MUL_VF",
  32
  33 "DIV",
  34
  35 "ADD_F",
  36 "ADD_V",
  37
  38 "SUB_F",
  39 "SUB_V",
  40
  41 "^2EQ_F",
  42 "^2EQ_V",
  43 "^2EQ_S",
  44 "^2EQ_E",
  45 "^2EQ_FNC",
  46
  47 "^2NE_F",
  48 "^2NE_V",
  49 "^2NE_S",
  50 "^2NE_E",
  51 "^2NE_FNC",
  52
  53 "^2LE",
  54 "^2GE",
  55 "^2LT",
  56 "^2GT",
  57
  58 "^6FIELD_F",
  59 "^6FIELD_V",
  60 "^6FIELD_S",
  61 "^6FIELD_ENT",
  62 "^6FIELD_FLD",
  63 "^6FIELD_FNC",
  64
  65 "^1ADDRESS",
  66
  67 "STORE_F",
  68 "STORE_V",
  69 "STORE_S",
  70 "STORE_ENT",
  71 "STORE_FLD",
  72 "STORE_FNC",
  73
  74 "^1STOREP_F",
  75 "^1STOREP_V",
  76 "^1STOREP_S",
  77 "^1STOREP_ENT",
  78 "^1STOREP_FLD",
  79 "^1STOREP_FNC",
  80
  81 "^5RETURN",
  82
  83 "^2NOT_F",
  84 "^2NOT_V",
  85 "^2NOT_S",
  86 "^2NOT_ENT",
  87 "^2NOT_FNC",
  88
  89 "^5IF",
  90 "^5IFNOT",
  91
  92 "^3CALL0",
  93 "^3CALL1",
  94 "^3CALL2",
  95 "^3CALL3",
  96 "^3CALL4",
  97 "^3CALL5",
  98 "^3CALL6",
  99 "^3CALL7",
 100 "^3CALL8",
 101
 102 "^1STATE",
 103
 104 "^5GOTO",
 105
 106 "^2AND",
 107 "^2OR",
 108
 109 "BITAND",
 110 "BITOR"
 111 };
 112
 113
 114
 115 //=============================================================================
 116
 117 /*
 118 =================
 119 PRVM_PrintStatement
 120 =================
 121 */
 122 extern cvar_t prvm_statementprofiling;
 123 extern cvar_t prvm_timeprofiling;
 124 static void PRVM_PrintStatement(prvm_prog_t *prog, mstatement_t *s)
 125 {
 126         size_t i;
 127         int opnum = (int)(s - prog->statements);
 128         char valuebuf[MAX_INPUTLINE];
 129
 130         Con_Printf("s%i: ", opnum);
 131         if( prog->statement_linenums )
 132                 Con_Printf( "%s:%i: ", PRVM_GetString( prog, prog->xfunction->s_file ), prog->statement_linenums[ opnum ] );
 133
 134         if (prvm_statementprofiling.integer)
 135                 Con_Printf("%7.0f ", prog->statement_profile[s - prog->statements]);
 136
 137         if ( (unsigned)s->op < sizeof(prvm_opnames)/sizeof(prvm_opnames[0]))
 138         {
 139                 Con_Printf("%s ",  prvm_opnames[s->op]);
 140                 i = strlen(prvm_opnames[s->op]);
 141                 // don't count a preceding color tag when padding the name
 142                 if (prvm_opnames[s->op][0] == STRING_COLOR_TAG)
 143                         i -= 2;
 144                 for ( ; i<10 ; i++)
 145                         Con_Print(" ");
 146         }
 147         if (s->operand[0] >= 0) Con_Printf(  "%s", PRVM_GlobalString(prog, s->operand[0], valuebuf, sizeof(valuebuf)));
 148         if (s->operand[1] >= 0) Con_Printf(", %s", PRVM_GlobalString(prog, s->operand[1], valuebuf, sizeof(valuebuf)));
 149         if (s->operand[2] >= 0) Con_Printf(", %s", PRVM_GlobalString(prog, s->operand[2], valuebuf, sizeof(valuebuf)));
 150         if (s->jumpabsolute >= 0) Con_Printf(", statement %i", s->jumpabsolute);
 151         Con_Print("\n");
 152 }
 153
 154 void PRVM_PrintFunctionStatements (prvm_prog_t *prog, const char *name)
 155 {
 156         int i, firststatement, endstatement;
 157         mfunction_t *func;
 158         func = PRVM_ED_FindFunction (prog, name);
 159         if (!func)
 160         {
 161                 Con_Printf("%s progs: no function named %s\n", prog->name, name);
 162                 return;
 163         }
 164         firststatement = func->first_statement;
 165         if (firststatement < 0)
 166         {
 167                 Con_Printf("%s progs: function %s is builtin #%i\n", prog->name, name, -firststatement);
 168                 return;
 169         }
 170
 171         // find the end statement
 172         endstatement = prog->numstatements;
 173         for (i = 0;i < prog->numfunctions;i++)
 174                 if (endstatement > prog->functions[i].first_statement && firststatement < prog->functions[i].first_statement)
 175                         endstatement = prog->functions[i].first_statement;
 176
 177         // now print the range of statements
 178         Con_Printf("%s progs: disassembly of function %s (statements %i-%i, locals %i-%i):\n", prog->name, name, firststatement, endstatement, func->parm_start, func->parm_start + func->locals - 1);
 179         prog->xfunction = func;
 180         for (i = firststatement;i < endstatement;i++)
 181         {
 182                 PRVM_PrintStatement(prog, prog->statements + i);
 183                 prog->statement_profile[i] = 0;
 184         }
 185 }
 186
 187 /*
 188 ============
 189 PRVM_PrintFunction_f
 190
 191 ============
 192 */
 193 void PRVM_PrintFunction_f (void)
 194 {
 195         prvm_prog_t *prog;
 196         if (Cmd_Argc() != 3)
 197         {
 198                 Con_Printf("usage: prvm_printfunction <program name> <function name>\n");
 199                 return;
 200         }
 201
 202         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 203                 return;
 204
 205         PRVM_PrintFunctionStatements(prog, Cmd_Argv(2));
 206 }
 207
 208 /*
 209 ============
 210 PRVM_StackTrace
 211 ============
 212 */
 213 void PRVM_StackTrace (prvm_prog_t *prog)
 214 {
 215         mfunction_t     *f;
 216         int                     i;
 217
 218         prog->stack[prog->depth].s = prog->xstatement;
 219         prog->stack[prog->depth].f = prog->xfunction;
 220         for (i = prog->depth;i > 0;i--)
 221         {
 222                 f = prog->stack[i].f;
 223
 224                 if (!f)
 225                         Con_Print("<NULL FUNCTION>\n");
 226                 else
 227                         Con_Printf("%12s : %s : statement %i\n", PRVM_GetString(prog, f->s_file), PRVM_GetString(prog, f->s_name), prog->stack[i].s - f->first_statement);
 228         }
 229 }
 230
 231 void PRVM_ShortStackTrace(prvm_prog_t *prog, char *buf, size_t bufsize)
 232 {
 233         mfunction_t     *f;
 234         int                     i;
 235         char vabuf[1024];
 236
 237         if(prog)
 238         {
 239                 dpsnprintf(buf, bufsize, "(%s) ", prog->name);
 240         }
 241         else
 242         {
 243                 strlcpy(buf, "<NO PROG>", bufsize);
 244                 return;
 245         }
 246
 247         prog->stack[prog->depth].s = prog->xstatement;
 248         prog->stack[prog->depth].f = prog->xfunction;
 249         for (i = prog->depth;i > 0;i--)
 250         {
 251                 f = prog->stack[i].f;
 252
 253                 if(strlcat(buf,
 254                         f
 255                                 ? va(vabuf, sizeof(vabuf), "%s:%s(%i) ", PRVM_GetString(prog, f->s_file), PRVM_GetString(prog, f->s_name), prog->stack[i].s - f->first_statement)
 256                                 : "<NULL> ",
 257                         bufsize
 258                 ) >= bufsize)
 259                         break;
 260         }
 261 }
 262
 263
 264 static void PRVM_CallProfile (prvm_prog_t *prog)
 265 {
 266         mfunction_t *f, *best;
 267         int i;
 268         double max;
 269         double sum;
 270         double newprofiletime;
 271
 272         Con_Printf( "%s Call Profile:\n", prog->name );
 273
 274         sum = 0;
 275         do
 276         {
 277                 max = 0;
 278                 best = NULL;
 279                 for (i=0 ; i<prog->numfunctions ; i++)
 280                 {
 281                         f = &prog->functions[i];
 282                         if (max < f->totaltime)
 283                         {
 284                                 max = f->totaltime;
 285                                 best = f;
 286                         }
 287                 }
 288                 if (best)
 289                 {
 290                         sum += best->totaltime;
 291                         Con_Printf("%9.4f %s\n", best->totaltime, PRVM_GetString(prog, best->s_name));
 292                         best->totaltime = 0;
 293                 }
 294         } while (best);
 295
 296         newprofiletime = Sys_DirtyTime();
 297         Con_Printf("Total time since last profile reset: %9.4f\n", newprofiletime - prog->profiletime);
 298         Con_Printf("       - used by QC code of this VM: %9.4f\n", sum);
 299
 300         prog->profiletime = newprofiletime;
 301 }
 302
 303 void PRVM_Profile (prvm_prog_t *prog, int maxfunctions, double mintime, int sortby)
 304 {
 305         mfunction_t *f, *best;
 306         int i, num;
 307         double max;
 308
 309         if(!prvm_timeprofiling.integer)
 310                 mintime *= 10000000; // count each statement as about 0.1µs
 311
 312         if(prvm_timeprofiling.integer)
 313                 Con_Printf( "%s Profile:\n[CallCount]      [Time] [BuiltinTm] [Statement] [BuiltinCt] [TimeTotal] [StmtTotal] [BltnTotal] [self]\n", prog->name );
 314                 //                        12345678901 12345678901 12345678901 12345678901 12345678901 12345678901 12345678901 123.45%
 315         else
 316                 Con_Printf( "%s Profile:\n[CallCount] [Statement] [BuiltinCt] [StmtTotal] [BltnTotal] [self]\n", prog->name );
 317                 //                        12345678901 12345678901 12345678901 12345678901 12345678901 123.45%
 318
 319         num = 0;
 320         do
 321         {
 322                 max = 0;
 323                 best = NULL;
 324                 for (i=0 ; i<prog->numfunctions ; i++)
 325                 {
 326                         f = &prog->functions[i];
 327                         if(prvm_timeprofiling.integer)
 328                         {
 329                                 if(sortby)
 330                                 {
 331                                         if(f->first_statement < 0)
 332                                         {
 333                                                 if (max < f->tprofile)
 334                                                 {
 335                                                         max = f->tprofile;
 336                                                         best = f;
 337                                                 }
 338                                         }
 339                                         else
 340                                         {
 341                                                 if (max < f->tprofile_total)
 342                                                 {
 343                                                         max = f->tprofile_total;
 344                                                         best = f;
 345                                                 }
 346                                         }
 347                                 }
 348                                 else
 349                                 {
 350                                         if (max < f->tprofile + f->tbprofile)
 351                                         {
 352                                                 max = f->tprofile + f->tbprofile;
 353                                                 best = f;
 354                                         }
 355                                 }
 356                         }
 357                         else
 358                         {
 359                                 if(sortby)
 360                                 {
 361                                         if (max < f->profile_total + f->builtinsprofile_total + f->callcount)
 362                                         {
 363                                                 max = f->profile_total + f->builtinsprofile_total + f->callcount;
 364                                                 best = f;
 365                                         }
 366                                 }
 367                                 else
 368                                 {
 369                                         if (max < f->profile + f->builtinsprofile + f->callcount)
 370                                         {
 371                                                 max = f->profile + f->builtinsprofile + f->callcount;
 372                                                 best = f;
 373                                         }
 374                                 }
 375                         }
 376                 }
 377                 if (best)
 378                 {
 379                         if (num < maxfunctions && max > mintime)
 380                         {
 381                                 if(prvm_timeprofiling.integer)
 382                                 {
 383                                         if (best->first_statement < 0)
 384                                                 Con_Printf("%11.0f %11.6f ------------- builtin ------------- %11.6f ----------- builtin ----------- %s\n", best->callcount, best->tprofile, best->tprofile, PRVM_GetString(prog, best->s_name));
 385                                         //                 %11.6f 12345678901 12345678901 12345678901 %11.6f 12345678901 12345678901 123.45%
 386                                         else
 387                                                 Con_Printf("%11.0f %11.6f %11.6f %11.0f %11.0f %11.6f %11.0f %11.0f %6.2f%% %s\n", best->callcount, best->tprofile, best->tbprofile, best->profile, best->builtinsprofile, best->tprofile_total, best->profile_total, best->builtinsprofile_total, (best->tprofile_total > 0) ? ((best->tprofile) * 100.0 / (best->tprofile_total)) : -99.99, PRVM_GetString(prog, best->s_name));
 388                                 }
 389                                 else
 390                                 {
 391                                         if (best->first_statement < 0)
 392                                                 Con_Printf("%11.0f ----------------------- builtin ----------------------- %s\n", best->callcount, PRVM_GetString(prog, best->s_name));
 393                                         //                 12345678901 12345678901 12345678901 12345678901 123.45%
 394                                         else
 395                                                 Con_Printf("%11.0f %11.0f %11.0f %11.0f %11.0f %6.2f%% %s\n", best->callcount, best->profile, best->builtinsprofile, best->profile_total, best->builtinsprofile_total, (best->profile + best->builtinsprofile) * 100.0 / (best->profile_total + best->builtinsprofile_total), PRVM_GetString(prog, best->s_name));
 396                                 }
 397                         }
 398                         num++;
 399                         best->profile = 0;
 400                         best->tprofile = 0;
 401                         best->tbprofile = 0;
 402                         best->builtinsprofile = 0;
 403                         best->profile_total = 0;
 404                         best->tprofile_total = 0;
 405                         best->builtinsprofile_total = 0;
 406                         best->callcount = 0;
 407                 }
 408         } while (best);
 409 }
 410
 411 /*
 412 ============
 413 PRVM_CallProfile_f
 414
 415 ============
 416 */
 417 void PRVM_CallProfile_f (void)
 418 {
 419         prvm_prog_t *prog;
 420         if (Cmd_Argc() != 2)
 421         {
 422                 Con_Print("prvm_callprofile <program name>\n");
 423                 return;
 424         }
 425
 426         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 427                 return;
 428
 429         PRVM_CallProfile(prog);
 430 }
 431
 432 /*
 433 ============
 434 PRVM_Profile_f
 435
 436 ============
 437 */
 438 void PRVM_Profile_f (void)
 439 {
 440         prvm_prog_t *prog;
 441         int howmany;
 442
 443         howmany = 1<<30;
 444         if (Cmd_Argc() == 3)
 445                 howmany = atoi(Cmd_Argv(2));
 446         else if (Cmd_Argc() != 2)
 447         {
 448                 Con_Print("prvm_profile <program name>\n");
 449                 return;
 450         }
 451
 452         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 453                 return;
 454
 455         PRVM_Profile(prog, howmany, 0, 0);
 456 }
 457
 458 void PRVM_ChildProfile_f (void)
 459 {
 460         prvm_prog_t *prog;
 461         int howmany;
 462
 463         howmany = 1<<30;
 464         if (Cmd_Argc() == 3)
 465                 howmany = atoi(Cmd_Argv(2));
 466         else if (Cmd_Argc() != 2)
 467         {
 468                 Con_Print("prvm_childprofile <program name>\n");
 469                 return;
 470         }
 471
 472         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 473                 return;
 474
 475         PRVM_Profile(prog, howmany, 0, 1);
 476 }
 477
 478 void PRVM_PrintState(prvm_prog_t *prog)
 479 {
 480         int i;
 481         if (prog->statestring)
 482         {
 483                 Con_Printf("Caller-provided information: %s\n", prog->statestring);
 484         }
 485         if (prog->xfunction)
 486         {
 487                 for (i = -7; i <= 0;i++)
 488                         if (prog->xstatement + i >= prog->xfunction->first_statement)
 489                                 PRVM_PrintStatement(prog, prog->statements + prog->xstatement + i);
 490         }
 491         else
 492                 Con_Print("null function executing??\n");
 493         PRVM_StackTrace(prog);
 494 }
 495
 496 extern cvar_t prvm_errordump;
 497 void PRVM_Crash(prvm_prog_t *prog)
 498 {
 499         char vabuf[1024];
 500         if (prog == NULL)
 501                 return;
 502         if (!prog->loaded)
 503                 return;
 504
 505         PRVM_serverfunction(SV_Shutdown) = 0; // don't call SV_Shutdown on crash
 506
 507         if( prog->depth > 0 )
 508         {
 509                 Con_Printf("QuakeC crash report for %s:\n", prog->name);
 510                 PRVM_PrintState(prog);
 511         }
 512
 513         if(prvm_errordump.integer)
 514         {
 515                 // make a savegame
 516                 Host_Savegame_to(prog, va(vabuf, sizeof(vabuf), "crash-%s.dmp", prog->name));
 517         }
 518
 519         // dump the stack so host_error can shutdown functions
 520         prog->depth = 0;
 521         prog->localstack_used = 0;
 522
 523         // delete all tempstrings (FIXME: is this safe in VM->engine->VM recursion?)
 524         prog->tempstringsbuf.cursize = 0;
 525
 526         // reset the prog pointer
 527         prog = NULL;
 528 }
 529
 530 /*
 531 ============================================================================
 532 PRVM_ExecuteProgram
 533
 534 The interpretation main loop
 535 ============================================================================
 536 */
 537
 538 /*
 539 ====================
 540 PRVM_EnterFunction
 541
 542 Returns the new program statement counter
 543 ====================
 544 */
 545 static int PRVM_EnterFunction (prvm_prog_t *prog, mfunction_t *f)
 546 {
 547         int             i, j, c, o;
 548
 549         if (!f)
 550                 prog->error_cmd("PRVM_EnterFunction: NULL function in %s", prog->name);
 551
 552         prog->stack[prog->depth].s = prog->xstatement;
 553         prog->stack[prog->depth].f = prog->xfunction;
 554         prog->stack[prog->depth].profile_acc = -f->profile;
 555         prog->stack[prog->depth].tprofile_acc = -f->tprofile + -f->tbprofile;
 556         prog->stack[prog->depth].builtinsprofile_acc = -f->builtinsprofile;
 557         prog->depth++;
 558         if (prog->depth >=PRVM_MAX_STACK_DEPTH)
 559                 prog->error_cmd("stack overflow");
 560
 561 // save off any locals that the new function steps on
 562         c = f->locals;
 563         if (prog->localstack_used + c > PRVM_LOCALSTACK_SIZE)
 564                 prog->error_cmd("PRVM_ExecuteProgram: locals stack overflow in %s", prog->name);
 565
 566         for (i=0 ; i < c ; i++)
 567                 prog->localstack[prog->localstack_used+i] = ((int *)prog->globals.generic)[f->parm_start + i];
 568         prog->localstack_used += c;
 569
 570 // copy parameters
 571         o = f->parm_start;
 572         for (i=0 ; i<f->numparms ; i++)
 573         {
 574                 for (j=0 ; j<f->parm_size[i] ; j++)
 575                 {
 576                         ((int *)prog->globals.generic)[o] = ((int *)prog->globals.generic)[OFS_PARM0+i*3+j];
 577                         o++;
 578                 }
 579         }
 580
 581         ++f->recursion;
 582         prog->xfunction = f;
 583         return f->first_statement - 1;  // offset the s++
 584 }
 585
 586 /*
 587 ====================
 588 PRVM_LeaveFunction
 589 ====================
 590 */
 591 static int PRVM_LeaveFunction (prvm_prog_t *prog)
 592 {
 593         int             i, c;
 594         mfunction_t *f;
 595
 596         if (prog->depth <= 0)
 597                 prog->error_cmd("prog stack underflow in %s", prog->name);
 598
 599         if (!prog->xfunction)
 600                 prog->error_cmd("PR_LeaveFunction: NULL function in %s", prog->name);
 601 // restore locals from the stack
 602         c = prog->xfunction->locals;
 603         prog->localstack_used -= c;
 604         if (prog->localstack_used < 0)
 605                 prog->error_cmd("PRVM_ExecuteProgram: locals stack underflow in %s", prog->name);
 606
 607         for (i=0 ; i < c ; i++)
 608                 ((int *)prog->globals.generic)[prog->xfunction->parm_start + i] = prog->localstack[prog->localstack_used+i];
 609
 610 // up stack
 611         prog->depth--;
 612         f = prog->xfunction;
 613         --f->recursion;
 614         prog->xfunction = prog->stack[prog->depth].f;
 615         prog->stack[prog->depth].profile_acc += f->profile;
 616         prog->stack[prog->depth].tprofile_acc += f->tprofile + f->tbprofile;
 617         prog->stack[prog->depth].builtinsprofile_acc += f->builtinsprofile;
 618         if(prog->depth > 0)
 619         {
 620                 prog->stack[prog->depth-1].profile_acc += prog->stack[prog->depth].profile_acc;
 621                 prog->stack[prog->depth-1].tprofile_acc += prog->stack[prog->depth].tprofile_acc;
 622                 prog->stack[prog->depth-1].builtinsprofile_acc += prog->stack[prog->depth].builtinsprofile_acc;
 623         }
 624         if(!f->recursion)
 625         {
 626                 // if f is already on the call stack...
 627                 // we cannot add this profile data to it now
 628                 // or we would add it more than once
 629                 // so, let's only add to the function's profile if it is the outermost call
 630                 f->profile_total += prog->stack[prog->depth].profile_acc;
 631                 f->tprofile_total += prog->stack[prog->depth].tprofile_acc;
 632                 f->builtinsprofile_total += prog->stack[prog->depth].builtinsprofile_acc;
 633         }
 634
 635         return prog->stack[prog->depth].s;
 636 }
 637
 638 void PRVM_Init_Exec(prvm_prog_t *prog)
 639 {
 640         // dump the stack
 641         prog->depth = 0;
 642         prog->localstack_used = 0;
 643         // reset the string table
 644         // nothing here yet
 645 }
 646
 647 #define OPA ((prvm_eval_t *)&prog->globals.generic[st->operand[0]])
 648 #define OPB ((prvm_eval_t *)&prog->globals.generic[st->operand[1]])
 649 #define OPC ((prvm_eval_t *)&prog->globals.generic[st->operand[2]])
 650 extern cvar_t prvm_traceqc;
 651 extern cvar_t prvm_statementprofiling;
 652 extern qboolean prvm_runawaycheck;
 653
 654 #ifdef PROFILING
 655 /*
 656 ====================
 657 MVM_ExecuteProgram
 658 ====================
 659 */
 660 void MVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 661 {
 662         mstatement_t    *st, *startst;
 663         mfunction_t     *f, *newf;
 664         prvm_edict_t    *ed;
 665         prvm_eval_t     *ptr;
 666         int             jumpcount, cachedpr_trace, exitdepth;
 667         int             restorevm_tempstringsbuf_cursize;
 668         double  calltime;
 669         double tm, starttm;
 670
 671         calltime = Sys_DirtyTime();
 672
 673         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 674         {
 675                 if (PRVM_allglobaledict(self))
 676                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 677                 prog->error_cmd("MVM_ExecuteProgram: %s", errormessage);
 678         }
 679
 680         f = &prog->functions[fnum];
 681
 682         // after executing this function, delete all tempstrings it created
 683         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 684
 685         prog->trace = prvm_traceqc.integer;
 686
 687         // we know we're done when pr_depth drops to this
 688         exitdepth = prog->depth;
 689
 690 // make a stack frame
 691         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 692         // save the starting statement pointer for profiling
 693         // (when the function exits or jumps, the (st - startst) integer value is
 694         // added to the function's profile counter)
 695         startst = st;
 696         starttm = calltime;
 697         // instead of counting instructions, we count jumps
 698         jumpcount = 0;
 699         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 700         prog->xfunction->callcount++;
 701
 702 chooseexecprogram:
 703         cachedpr_trace = prog->trace;
 704         if (prvm_statementprofiling.integer || prog->trace)
 705         {
 706 #define PRVMSLOWINTERPRETER 1
 707                 if (prvm_timeprofiling.integer)
 708                 {
 709 #define PRVMTIMEPROFILING 1
 710 #include "prvm_execprogram.h"
 711 #undef PRVMTIMEPROFILING
 712                 }
 713                 else
 714                 {
 715 #include "prvm_execprogram.h"
 716                 }
 717 #undef PRVMSLOWINTERPRETER
 718         }
 719         else
 720         {
 721                 if (prvm_timeprofiling.integer)
 722                 {
 723 #define PRVMTIMEPROFILING 1
 724 #include "prvm_execprogram.h"
 725 #undef PRVMTIMEPROFILING
 726                 }
 727                 else
 728                 {
 729 #include "prvm_execprogram.h"
 730                 }
 731         }
 732
 733 cleanup:
 734         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 735                 Con_DPrintf("MVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog, prog->functions[fnum].s_name), prog->tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 736         // delete tempstrings created by this function
 737         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 738
 739         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 740         f->totaltime += tm;
 741
 742         if (prog == SVVM_prog)
 743                 SV_FlushBroadcastMessages();
 744 }
 745
 746 /*
 747 ====================
 748 CLVM_ExecuteProgram
 749 ====================
 750 */
 751 void CLVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 752 {
 753         mstatement_t    *st, *startst;
 754         mfunction_t     *f, *newf;
 755         prvm_edict_t    *ed;
 756         prvm_eval_t     *ptr;
 757         int             jumpcount, cachedpr_trace, exitdepth;
 758         int             restorevm_tempstringsbuf_cursize;
 759         double  calltime;
 760         double tm, starttm;
 761
 762         calltime = Sys_DirtyTime();
 763
 764         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 765         {
 766                 if (PRVM_allglobaledict(self))
 767                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 768                 prog->error_cmd("CLVM_ExecuteProgram: %s", errormessage);
 769         }
 770
 771         f = &prog->functions[fnum];
 772
 773         // after executing this function, delete all tempstrings it created
 774         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 775
 776         prog->trace = prvm_traceqc.integer;
 777
 778         // we know we're done when pr_depth drops to this
 779         exitdepth = prog->depth;
 780
 781 // make a stack frame
 782         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 783         // save the starting statement pointer for profiling
 784         // (when the function exits or jumps, the (st - startst) integer value is
 785         // added to the function's profile counter)
 786         startst = st;
 787         starttm = calltime;
 788         // instead of counting instructions, we count jumps
 789         jumpcount = 0;
 790         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 791         prog->xfunction->callcount++;
 792
 793 chooseexecprogram:
 794         cachedpr_trace = prog->trace;
 795         if (prvm_statementprofiling.integer || prog->trace)
 796         {
 797 #define PRVMSLOWINTERPRETER 1
 798                 if (prvm_timeprofiling.integer)
 799                 {
 800 #define PRVMTIMEPROFILING 1
 801 #include "prvm_execprogram.h"
 802 #undef PRVMTIMEPROFILING
 803                 }
 804                 else
 805                 {
 806 #include "prvm_execprogram.h"
 807                 }
 808 #undef PRVMSLOWINTERPRETER
 809         }
 810         else
 811         {
 812                 if (prvm_timeprofiling.integer)
 813                 {
 814 #define PRVMTIMEPROFILING 1
 815 #include "prvm_execprogram.h"
 816 #undef PRVMTIMEPROFILING
 817                 }
 818                 else
 819                 {
 820 #include "prvm_execprogram.h"
 821                 }
 822         }
 823
 824 cleanup:
 825         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 826                 Con_DPrintf("CLVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog, prog->functions[fnum].s_name), prog->tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 827         // delete tempstrings created by this function
 828         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 829
 830         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 831         f->totaltime += tm;
 832
 833         if (prog == SVVM_prog)
 834                 SV_FlushBroadcastMessages();
 835 }
 836 #endif
 837
 838 /*
 839 ====================
 840 SVVM_ExecuteProgram
 841 ====================
 842 */
 843 #ifdef PROFILING
 844 void SVVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 845 #else
 846 void PRVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 847 #endif
 848 {
 849         mstatement_t    *st, *startst;
 850         mfunction_t     *f, *newf;
 851         prvm_edict_t    *ed;
 852         prvm_eval_t     *ptr;
 853         int             jumpcount, cachedpr_trace, exitdepth;
 854         int             restorevm_tempstringsbuf_cursize;
 855         double  calltime;
 856         double tm, starttm;
 857
 858         calltime = Sys_DirtyTime();
 859
 860         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 861         {
 862                 if (PRVM_allglobaledict(self))
 863                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 864                 prog->error_cmd("SVVM_ExecuteProgram: %s", errormessage);
 865         }
 866
 867         f = &prog->functions[fnum];
 868
 869         // after executing this function, delete all tempstrings it created
 870         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 871
 872         prog->trace = prvm_traceqc.integer;
 873
 874         // we know we're done when pr_depth drops to this
 875         exitdepth = prog->depth;
 876
 877 // make a stack frame
 878         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 879         // save the starting statement pointer for profiling
 880         // (when the function exits or jumps, the (st - startst) integer value is
 881         // added to the function's profile counter)
 882         startst = st;
 883         starttm = calltime;
 884         // instead of counting instructions, we count jumps
 885         jumpcount = 0;
 886         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 887         prog->xfunction->callcount++;
 888
 889 chooseexecprogram:
 890         cachedpr_trace = prog->trace;
 891         if (prvm_statementprofiling.integer || prog->trace)
 892         {
 893 #define PRVMSLOWINTERPRETER 1
 894                 if (prvm_timeprofiling.integer)
 895                 {
 896 #define PRVMTIMEPROFILING 1
 897 #include "prvm_execprogram.h"
 898 #undef PRVMTIMEPROFILING
 899                 }
 900                 else
 901                 {
 902 #include "prvm_execprogram.h"
 903                 }
 904 #undef PRVMSLOWINTERPRETER
 905         }
 906         else
 907         {
 908                 if (prvm_timeprofiling.integer)
 909                 {
 910 #define PRVMTIMEPROFILING 1
 911 #include "prvm_execprogram.h"
 912 #undef PRVMTIMEPROFILING
 913                 }
 914                 else
 915                 {
 916 #include "prvm_execprogram.h"
 917                 }
 918         }
 919
 920 cleanup:
 921         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 922                 Con_DPrintf("SVVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog, prog->functions[fnum].s_name), prog->tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 923         // delete tempstrings created by this function
 924         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 925
 926         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 927         f->totaltime += tm;
 928
 929         if (prog == SVVM_prog)
 930                 SV_FlushBroadcastMessages();
 931 }