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 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 char *PRVM_GlobalString (int ofs);
 114 char *PRVM_GlobalStringNoContents (int ofs);
 115 extern ddef_t *PRVM_ED_FieldAtOfs(int ofs);
 116
 117
 118 //=============================================================================
 119
 120 /*
 121 =================
 122 PRVM_PrintStatement
 123 =================
 124 */
 125 extern cvar_t prvm_statementprofiling;
 126 void PRVM_PrintStatement (dstatement_t *s)
 127 {
 128         size_t i;
 129         int opnum = (int)(s - prog->statements);
 130
 131         Con_Printf("s%i: ", opnum);
 132         if( prog->statement_linenums )
 133                 Con_Printf( "%s:%i: ", PRVM_GetString( prog->xfunction->s_file ), prog->statement_linenums[ opnum ] );
 134
 135         if (prvm_statementprofiling.integer)
 136                 Con_Printf("%7.0f ", prog->statement_profile[s - prog->statements]);
 137
 138         if ( (unsigned)s->op < sizeof(prvm_opnames)/sizeof(prvm_opnames[0]))
 139         {
 140                 Con_Printf("%s ",  prvm_opnames[s->op]);
 141                 i = strlen(prvm_opnames[s->op]);
 142                 // don't count a preceding color tag when padding the name
 143                 if (prvm_opnames[s->op][0] == STRING_COLOR_TAG)
 144                         i -= 2;
 145                 for ( ; i<10 ; i++)
 146                         Con_Print(" ");
 147         }
 148         if (s->op == OP_IF || s->op == OP_IFNOT)
 149                 Con_Printf("%s, s%i",PRVM_GlobalString((unsigned short) s->a),(signed short)s->b + opnum);
 150         else if (s->op == OP_GOTO)
 151                 Con_Printf("s%i",(signed short)s->a + opnum);
 152         else if ( (unsigned)(s->op - OP_STORE_F) < 6)
 153         {
 154                 Con_Print(PRVM_GlobalString((unsigned short) s->a));
 155                 Con_Print(", ");
 156                 Con_Print(PRVM_GlobalStringNoContents((unsigned short) s->b));
 157         }
 158         else if (s->op == OP_ADDRESS || (unsigned)(s->op - OP_LOAD_F) < 6)
 159         {
 160                 if (s->a)
 161                         Con_Print(PRVM_GlobalString((unsigned short) s->a));
 162                 if (s->b)
 163                 {
 164                         Con_Print(", ");
 165                         Con_Print(PRVM_GlobalStringNoContents((unsigned short) s->b));
 166                 }
 167                 if (s->c)
 168                 {
 169                         Con_Print(", ");
 170                         Con_Print(PRVM_GlobalStringNoContents((unsigned short) s->c));
 171                 }
 172         }
 173         else
 174         {
 175                 if (s->a)
 176                         Con_Print(PRVM_GlobalString((unsigned short) s->a));
 177                 if (s->b)
 178                 {
 179                         Con_Print(", ");
 180                         Con_Print(PRVM_GlobalString((unsigned short) s->b));
 181                 }
 182                 if (s->c)
 183                 {
 184                         Con_Print(", ");
 185                         Con_Print(PRVM_GlobalStringNoContents((unsigned short) s->c));
 186                 }
 187         }
 188         Con_Print("\n");
 189 }
 190
 191 void PRVM_PrintFunctionStatements (const char *name)
 192 {
 193         int i, firststatement, endstatement;
 194         mfunction_t *func;
 195         func = PRVM_ED_FindFunction (name);
 196         if (!func)
 197         {
 198                 Con_Printf("%s progs: no function named %s\n", PRVM_NAME, name);
 199                 return;
 200         }
 201         firststatement = func->first_statement;
 202         if (firststatement < 0)
 203         {
 204                 Con_Printf("%s progs: function %s is builtin #%i\n", PRVM_NAME, name, -firststatement);
 205                 return;
 206         }
 207
 208         // find the end statement
 209         endstatement = prog->progs->numstatements;
 210         for (i = 0;i < prog->progs->numfunctions;i++)
 211                 if (endstatement > prog->functions[i].first_statement && firststatement < prog->functions[i].first_statement)
 212                         endstatement = prog->functions[i].first_statement;
 213
 214         // now print the range of statements
 215         Con_Printf("%s progs: disassembly of function %s (statements %i-%i, locals %i-%i):\n", PRVM_NAME, name, firststatement, endstatement, func->parm_start, func->parm_start + func->locals - 1);
 216         for (i = firststatement;i < endstatement;i++)
 217         {
 218                 PRVM_PrintStatement(prog->statements + i);
 219                 prog->statement_profile[i] = 0;
 220         }
 221 }
 222
 223 /*
 224 ============
 225 PRVM_PrintFunction_f
 226
 227 ============
 228 */
 229 void PRVM_PrintFunction_f (void)
 230 {
 231         if (Cmd_Argc() != 3)
 232         {
 233                 Con_Printf("usage: prvm_printfunction <program name> <function name>\n");
 234                 return;
 235         }
 236
 237         PRVM_Begin;
 238         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 239                 return;
 240
 241         PRVM_PrintFunctionStatements(Cmd_Argv(2));
 242
 243         PRVM_End;
 244 }
 245
 246 /*
 247 ============
 248 PRVM_StackTrace
 249 ============
 250 */
 251 void PRVM_StackTrace (void)
 252 {
 253         mfunction_t     *f;
 254         int                     i;
 255
 256         prog->stack[prog->depth].s = prog->xstatement;
 257         prog->stack[prog->depth].f = prog->xfunction;
 258         for (i = prog->depth;i > 0;i--)
 259         {
 260                 f = prog->stack[i].f;
 261
 262                 if (!f)
 263                         Con_Print("<NULL FUNCTION>\n");
 264                 else
 265                         Con_Printf("%12s : %s : statement %i\n", PRVM_GetString(f->s_file), PRVM_GetString(f->s_name), prog->stack[i].s - f->first_statement);
 266         }
 267 }
 268
 269 void PRVM_ShortStackTrace(char *buf, size_t bufsize)
 270 {
 271         mfunction_t     *f;
 272         int                     i;
 273
 274         if(prog)
 275         {
 276                 dpsnprintf(buf, bufsize, "(%s) ", prog->name);
 277         }
 278         else
 279         {
 280                 strlcpy(buf, "<NO PROG>", bufsize);
 281                 return;
 282         }
 283
 284         prog->stack[prog->depth].s = prog->xstatement;
 285         prog->stack[prog->depth].f = prog->xfunction;
 286         for (i = prog->depth;i > 0;i--)
 287         {
 288                 f = prog->stack[i].f;
 289
 290                 if(strlcat(buf,
 291                         f
 292                                 ? va("%s:%s(%i) ", PRVM_GetString(f->s_file), PRVM_GetString(f->s_name), prog->stack[i].s - f->first_statement)
 293                                 : "<NULL> ",
 294                         bufsize
 295                 ) >= bufsize)
 296                         break;
 297         }
 298 }
 299
 300
 301 void PRVM_CallProfile (void)
 302 {
 303         mfunction_t *f, *best;
 304         int i;
 305         double max;
 306         double sum;
 307
 308         Con_Printf( "%s Call Profile:\n", PRVM_NAME );
 309
 310         sum = 0;
 311         do
 312         {
 313                 max = 0;
 314                 best = NULL;
 315                 for (i=0 ; i<prog->progs->numfunctions ; i++)
 316                 {
 317                         f = &prog->functions[i];
 318                         if (max < f->totaltime)
 319                         {
 320                                 max = f->totaltime;
 321                                 best = f;
 322                         }
 323                 }
 324                 if (best)
 325                 {
 326                         sum += best->totaltime;
 327                         Con_Printf("%9.4f %s\n", best->totaltime, PRVM_GetString(best->s_name));
 328                         best->totaltime = 0;
 329                 }
 330         } while (best);
 331
 332         Con_Printf("Total time since last profile reset: %9.4f\n", Sys_DoubleTime() - prog->starttime);
 333         Con_Printf("       - used by QC code of this VM: %9.4f\n", sum);
 334
 335         prog->starttime = Sys_DoubleTime();
 336 }
 337
 338 void PRVM_Profile (int maxfunctions, int mininstructions, int sortby)
 339 {
 340         mfunction_t *f, *best;
 341         int i, num;
 342         double max;
 343
 344         Con_Printf( "%s Profile:\n[CallCount] [Statement] [BuiltinCt] [StmtTotal] [BltnTotal] [self]\n", PRVM_NAME );
 345         //                        12345678901 12345678901 12345678901 12345678901 12345678901 123.45%
 346
 347         num = 0;
 348         do
 349         {
 350                 max = 0;
 351                 best = NULL;
 352                 for (i=0 ; i<prog->progs->numfunctions ; i++)
 353                 {
 354                         f = &prog->functions[i];
 355                         if(sortby)
 356                         {
 357                                 if (max < f->profile_total + f->builtinsprofile_total + f->callcount)
 358                                 {
 359                                         max = f->profile_total + f->builtinsprofile_total + f->callcount;
 360                                         best = f;
 361                                 }
 362                         }
 363                         else
 364                         {
 365                                 if (max < f->profile + f->builtinsprofile + f->callcount)
 366                                 {
 367                                         max = f->profile + f->builtinsprofile + f->callcount;
 368                                         best = f;
 369                                 }
 370                         }
 371                 }
 372                 if (best)
 373                 {
 374                         if (num < maxfunctions && max >= mininstructions)
 375                         {
 376                                 if (best->first_statement < 0)
 377                                         Con_Printf("%11.0f ----------------------- builtin ----------------------- %s\n", best->callcount, PRVM_GetString(best->s_name));
 378                                         //                 12345678901 12345678901 12345678901 12345678901 123.45%
 379                                 else
 380                                         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(best->s_name));
 381                         }
 382                         num++;
 383                         best->profile = 0;
 384                         best->builtinsprofile = 0;
 385                         best->profile_total = 0;
 386                         best->builtinsprofile_total = 0;
 387                         best->callcount = 0;
 388                 }
 389         } while (best);
 390 }
 391
 392 /*
 393 ============
 394 PRVM_CallProfile_f
 395
 396 ============
 397 */
 398 void PRVM_CallProfile_f (void)
 399 {
 400         if (Cmd_Argc() != 2)
 401         {
 402                 Con_Print("prvm_callprofile <program name>\n");
 403                 return;
 404         }
 405
 406         PRVM_Begin;
 407         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 408                 return;
 409
 410         PRVM_CallProfile();
 411
 412         PRVM_End;
 413 }
 414
 415 /*
 416 ============
 417 PRVM_Profile_f
 418
 419 ============
 420 */
 421 void PRVM_Profile_f (void)
 422 {
 423         int howmany;
 424
 425         howmany = 1<<30;
 426         if (Cmd_Argc() == 3)
 427                 howmany = atoi(Cmd_Argv(2));
 428         else if (Cmd_Argc() != 2)
 429         {
 430                 Con_Print("prvm_profile <program name>\n");
 431                 return;
 432         }
 433
 434         PRVM_Begin;
 435         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 436                 return;
 437
 438         PRVM_Profile(howmany, 1, 0);
 439
 440         PRVM_End;
 441 }
 442
 443 void PRVM_ChildProfile_f (void)
 444 {
 445         int howmany;
 446
 447         howmany = 1<<30;
 448         if (Cmd_Argc() == 3)
 449                 howmany = atoi(Cmd_Argv(2));
 450         else if (Cmd_Argc() != 2)
 451         {
 452                 Con_Print("prvm_childprofile <program name>\n");
 453                 return;
 454         }
 455
 456         PRVM_Begin;
 457         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 458                 return;
 459
 460         PRVM_Profile(howmany, 1, 1);
 461
 462         PRVM_End;
 463 }
 464
 465 void PRVM_CrashAll(void)
 466 {
 467         int i;
 468         prvm_prog_t *oldprog = prog;
 469
 470         for(i = 0; i < PRVM_MAXPROGS; i++)
 471         {
 472                 if(!PRVM_ProgLoaded(i))
 473                         continue;
 474                 PRVM_SetProg(i);
 475                 PRVM_Crash();
 476         }
 477
 478         prog = oldprog;
 479 }
 480
 481 void PRVM_PrintState(void)
 482 {
 483         int i;
 484         if(prog->statestring)
 485         {
 486                 Con_Printf("Caller-provided information: %s\n", prog->statestring);
 487         }
 488         if (prog->xfunction)
 489         {
 490                 for (i = -7; i <= 0;i++)
 491                         if (prog->xstatement + i >= prog->xfunction->first_statement)
 492                                 PRVM_PrintStatement (prog->statements + prog->xstatement + i);
 493         }
 494         else
 495                 Con_Print("null function executing??\n");
 496         PRVM_StackTrace ();
 497 }
 498
 499 extern sizebuf_t vm_tempstringsbuf;
 500 extern cvar_t prvm_errordump;
 501 void Host_Savegame_to (const char *name);
 502 void PRVM_Crash(void)
 503 {
 504         if (prog == NULL)
 505                 return;
 506
 507         prog->funcoffsets.SV_Shutdown = 0; // don't call SV_Shutdown on crash
 508
 509         if( prog->depth > 0 )
 510         {
 511                 Con_Printf("QuakeC crash report for %s:\n", PRVM_NAME);
 512                 PRVM_PrintState();
 513         }
 514
 515         if(prvm_errordump.integer)
 516         {
 517                 // make a savegame
 518                 Host_Savegame_to(va("crash-%s.dmp", PRVM_NAME));
 519         }
 520
 521         // dump the stack so host_error can shutdown functions
 522         prog->depth = 0;
 523         prog->localstack_used = 0;
 524
 525         // delete all tempstrings (FIXME: is this safe in VM->engine->VM recursion?)
 526         vm_tempstringsbuf.cursize = 0;
 527
 528         // reset the prog pointer
 529         prog = NULL;
 530 }
 531
 532 /*
 533 ============================================================================
 534 PRVM_ExecuteProgram
 535
 536 The interpretation main loop
 537 ============================================================================
 538 */
 539
 540 /*
 541 ====================
 542 PRVM_EnterFunction
 543
 544 Returns the new program statement counter
 545 ====================
 546 */
 547 int PRVM_EnterFunction (mfunction_t *f)
 548 {
 549         int             i, j, c, o;
 550
 551         if (!f)
 552                 PRVM_ERROR ("PRVM_EnterFunction: NULL function in %s", PRVM_NAME);
 553
 554         prog->stack[prog->depth].s = prog->xstatement;
 555         prog->stack[prog->depth].f = prog->xfunction;
 556         prog->stack[prog->depth].profile_acc = -f->profile;
 557         prog->stack[prog->depth].builtinsprofile_acc = -f->builtinsprofile;
 558         prog->depth++;
 559         if (prog->depth >=PRVM_MAX_STACK_DEPTH)
 560                 PRVM_ERROR ("stack overflow");
 561
 562 // save off any locals that the new function steps on
 563         c = f->locals;
 564         if (prog->localstack_used + c > PRVM_LOCALSTACK_SIZE)
 565                 PRVM_ERROR ("PRVM_ExecuteProgram: locals stack overflow in %s", PRVM_NAME);
 566
 567         for (i=0 ; i < c ; i++)
 568                 prog->localstack[prog->localstack_used+i] = ((int *)prog->globals.generic)[f->parm_start + i];
 569         prog->localstack_used += c;
 570
 571 // copy parameters
 572         o = f->parm_start;
 573         for (i=0 ; i<f->numparms ; i++)
 574         {
 575                 for (j=0 ; j<f->parm_size[i] ; j++)
 576                 {
 577                         ((int *)prog->globals.generic)[o] = ((int *)prog->globals.generic)[OFS_PARM0+i*3+j];
 578                         o++;
 579                 }
 580         }
 581
 582         ++f->recursion;
 583         prog->xfunction = f;
 584         return f->first_statement - 1;  // offset the s++
 585 }
 586
 587 /*
 588 ====================
 589 PRVM_LeaveFunction
 590 ====================
 591 */
 592 int PRVM_LeaveFunction (void)
 593 {
 594         int             i, c;
 595         mfunction_t *f;
 596
 597         if (prog->depth <= 0)
 598                 PRVM_ERROR ("prog stack underflow in %s", PRVM_NAME);
 599
 600         if (!prog->xfunction)
 601                 PRVM_ERROR ("PR_LeaveFunction: NULL function in %s", PRVM_NAME);
 602 // restore locals from the stack
 603         c = prog->xfunction->locals;
 604         prog->localstack_used -= c;
 605         if (prog->localstack_used < 0)
 606                 PRVM_ERROR ("PRVM_ExecuteProgram: locals stack underflow in %s", PRVM_NAME);
 607
 608         for (i=0 ; i < c ; i++)
 609                 ((int *)prog->globals.generic)[prog->xfunction->parm_start + i] = prog->localstack[prog->localstack_used+i];
 610
 611 // up stack
 612         prog->depth--;
 613         f = prog->xfunction;
 614         --f->recursion;
 615         prog->xfunction = prog->stack[prog->depth].f;
 616         prog->stack[prog->depth].profile_acc += f->profile;
 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].builtinsprofile_acc += prog->stack[prog->depth].builtinsprofile_acc;
 622         }
 623         if(!f->recursion)
 624         {
 625                 // if f is already on the call stack...
 626                 // we cannot add this profile data to it now
 627                 // or we would add it more than once
 628                 // so, let's only add to the function's profile if it is the outermost call
 629                 f->profile_total += prog->stack[prog->depth].profile_acc;
 630                 f->builtinsprofile_total += prog->stack[prog->depth].builtinsprofile_acc;
 631         }
 632
 633         return prog->stack[prog->depth].s;
 634 }
 635
 636 void PRVM_Init_Exec(void)
 637 {
 638         // dump the stack
 639         prog->depth = 0;
 640         prog->localstack_used = 0;
 641         // reset the string table
 642         // nothing here yet
 643 }
 644
 645 #define OPA ((prvm_eval_t *)&prog->globals.generic[(unsigned short) st->a])
 646 #define OPB ((prvm_eval_t *)&prog->globals.generic[(unsigned short) st->b])
 647 #define OPC ((prvm_eval_t *)&prog->globals.generic[(unsigned short) st->c])
 648 extern cvar_t prvm_traceqc;
 649 extern cvar_t prvm_statementprofiling;
 650 extern sizebuf_t vm_tempstringsbuf;
 651 extern qboolean prvm_runawaycheck;
 652
 653 #ifdef PROFILING
 654 /*
 655 ====================
 656 MVM_ExecuteProgram
 657 ====================
 658 */
 659 void MVM_ExecuteProgram (func_t fnum, const char *errormessage)
 660 {
 661         dstatement_t    *st, *startst;
 662         mfunction_t     *f, *newf;
 663         prvm_edict_t    *ed;
 664         prvm_eval_t     *ptr;
 665         int             jumpcount, cachedpr_trace, exitdepth;
 666         int             restorevm_tempstringsbuf_cursize;
 667         double  calltime;
 668
 669         calltime = Sys_DoubleTime();
 670
 671         if (!fnum || fnum >= (unsigned int)prog->progs->numfunctions)
 672         {
 673                 if (prog->globaloffsets.self >= 0 && PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict)
 674                         PRVM_ED_Print(PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict), NULL);
 675                 PRVM_ERROR ("MVM_ExecuteProgram: %s", errormessage);
 676         }
 677
 678         f = &prog->functions[fnum];
 679
 680         // after executing this function, delete all tempstrings it created
 681         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 682
 683         prog->trace = prvm_traceqc.integer;
 684
 685         // we know we're done when pr_depth drops to this
 686         exitdepth = prog->depth;
 687
 688 // make a stack frame
 689         st = &prog->statements[PRVM_EnterFunction (f)];
 690         // save the starting statement pointer for profiling
 691         // (when the function exits or jumps, the (st - startst) integer value is
 692         // added to the function's profile counter)
 693         startst = st;
 694         // instead of counting instructions, we count jumps
 695         jumpcount = 0;
 696         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 697         prog->xfunction->callcount++;
 698
 699 chooseexecprogram:
 700         cachedpr_trace = prog->trace;
 701         if (prvm_statementprofiling.integer || prog->trace)
 702         {
 703 #define PRVMSLOWINTERPRETER 1
 704 #include "prvm_execprogram.h"
 705 #undef PRVMSLOWINTERPRETER
 706         }
 707         else
 708         {
 709 #include "prvm_execprogram.h"
 710         }
 711
 712 cleanup:
 713         if (developer_insane.integer && vm_tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 714                 Con_DPrintf("MVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog->functions[fnum].s_name), vm_tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 715         // delete tempstrings created by this function
 716         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 717
 718         f->totaltime += (Sys_DoubleTime() - calltime);
 719
 720         SV_FlushBroadcastMessages();
 721 }
 722
 723 /*
 724 ====================
 725 CLVM_ExecuteProgram
 726 ====================
 727 */
 728 void CLVM_ExecuteProgram (func_t fnum, const char *errormessage)
 729 {
 730         dstatement_t    *st, *startst;
 731         mfunction_t     *f, *newf;
 732         prvm_edict_t    *ed;
 733         prvm_eval_t     *ptr;
 734         int             jumpcount, cachedpr_trace, exitdepth;
 735         int             restorevm_tempstringsbuf_cursize;
 736         double  calltime;
 737
 738         calltime = Sys_DoubleTime();
 739
 740         if (!fnum || fnum >= (unsigned int)prog->progs->numfunctions)
 741         {
 742                 if (prog->globaloffsets.self >= 0 && PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict)
 743                         PRVM_ED_Print(PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict), NULL);
 744                 PRVM_ERROR ("CLVM_ExecuteProgram: %s", errormessage);
 745         }
 746
 747         f = &prog->functions[fnum];
 748
 749         // after executing this function, delete all tempstrings it created
 750         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 751
 752         prog->trace = prvm_traceqc.integer;
 753
 754         // we know we're done when pr_depth drops to this
 755         exitdepth = prog->depth;
 756
 757 // make a stack frame
 758         st = &prog->statements[PRVM_EnterFunction (f)];
 759         // save the starting statement pointer for profiling
 760         // (when the function exits or jumps, the (st - startst) integer value is
 761         // added to the function's profile counter)
 762         startst = st;
 763         // instead of counting instructions, we count jumps
 764         jumpcount = 0;
 765         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 766         prog->xfunction->callcount++;
 767
 768 chooseexecprogram:
 769         cachedpr_trace = prog->trace;
 770         if (prvm_statementprofiling.integer || prog->trace)
 771         {
 772 #define PRVMSLOWINTERPRETER 1
 773 #include "prvm_execprogram.h"
 774 #undef PRVMSLOWINTERPRETER
 775         }
 776         else
 777         {
 778 #include "prvm_execprogram.h"
 779         }
 780
 781 cleanup:
 782         if (developer_insane.integer && vm_tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 783                 Con_DPrintf("CLVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog->functions[fnum].s_name), vm_tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 784         // delete tempstrings created by this function
 785         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 786
 787         f->totaltime += (Sys_DoubleTime() - calltime);
 788
 789         SV_FlushBroadcastMessages();
 790 }
 791 #endif
 792
 793 /*
 794 ====================
 795 SVVM_ExecuteProgram
 796 ====================
 797 */
 798 void SVVM_ExecuteProgram (func_t fnum, const char *errormessage)
 799 {
 800         dstatement_t    *st, *startst;
 801         mfunction_t     *f, *newf;
 802         prvm_edict_t    *ed;
 803         prvm_eval_t     *ptr;
 804         int             jumpcount, cachedpr_trace, exitdepth;
 805         int             restorevm_tempstringsbuf_cursize;
 806         double  calltime;
 807
 808         calltime = Sys_DoubleTime();
 809
 810         if (!fnum || fnum >= (unsigned int)prog->progs->numfunctions)
 811         {
 812                 if (prog->globaloffsets.self >= 0 && PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict)
 813                         PRVM_ED_Print(PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict), NULL);
 814                 PRVM_ERROR ("SVVM_ExecuteProgram: %s", errormessage);
 815         }
 816
 817         f = &prog->functions[fnum];
 818
 819         // after executing this function, delete all tempstrings it created
 820         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 821
 822         prog->trace = prvm_traceqc.integer;
 823
 824         // we know we're done when pr_depth drops to this
 825         exitdepth = prog->depth;
 826
 827 // make a stack frame
 828         st = &prog->statements[PRVM_EnterFunction (f)];
 829         // save the starting statement pointer for profiling
 830         // (when the function exits or jumps, the (st - startst) integer value is
 831         // added to the function's profile counter)
 832         startst = st;
 833         // instead of counting instructions, we count jumps
 834         jumpcount = 0;
 835         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 836         prog->xfunction->callcount++;
 837
 838 chooseexecprogram:
 839         cachedpr_trace = prog->trace;
 840         if (prvm_statementprofiling.integer || prog->trace)
 841         {
 842 #define PRVMSLOWINTERPRETER 1
 843 #include "prvm_execprogram.h"
 844 #undef PRVMSLOWINTERPRETER
 845         }
 846         else
 847         {
 848 #include "prvm_execprogram.h"
 849         }
 850
 851 cleanup:
 852         if (developer_insane.integer && vm_tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 853                 Con_DPrintf("SVVM_ExecuteProgram: %s used %i bytes of tempstrings\n", PRVM_GetString(prog->functions[fnum].s_name), vm_tempstringsbuf.cursize - restorevm_tempstringsbuf_cursize);
 854         // delete tempstrings created by this function
 855         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 856
 857         f->totaltime += (Sys_DoubleTime() - calltime);
 858
 859         SV_FlushBroadcastMessages();
 860 }