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                 {
 228                         if (prog->statement_linenums)
 229                                 Con_Printf("%12s:%i : %s : statement %i\n", PRVM_GetString(prog, f->s_file), prog->statement_linenums[prog->stack[i].s], PRVM_GetString(prog, f->s_name), prog->stack[i].s - f->first_statement);
 230                         else
 231                                 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);
 232                 }
 233         }
 234 }
 235
 236 void PRVM_ShortStackTrace(prvm_prog_t *prog, char *buf, size_t bufsize)
 237 {
 238         mfunction_t     *f;
 239         int                     i;
 240         char vabuf[1024];
 241
 242         if(prog)
 243         {
 244                 dpsnprintf(buf, bufsize, "(%s) ", prog->name);
 245         }
 246         else
 247         {
 248                 strlcpy(buf, "<NO PROG>", bufsize);
 249                 return;
 250         }
 251
 252         prog->stack[prog->depth].s = prog->xstatement;
 253         prog->stack[prog->depth].f = prog->xfunction;
 254         for (i = prog->depth;i > 0;i--)
 255         {
 256                 f = prog->stack[i].f;
 257
 258                 if(strlcat(buf,
 259                         f
 260                                 ? 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)
 261                                 : "<NULL> ",
 262                         bufsize
 263                 ) >= bufsize)
 264                         break;
 265         }
 266 }
 267
 268
 269 static void PRVM_CallProfile (prvm_prog_t *prog)
 270 {
 271         mfunction_t *f, *best;
 272         int i;
 273         double max;
 274         double sum;
 275         double newprofiletime;
 276
 277         Con_Printf( "%s Call Profile:\n", prog->name );
 278
 279         sum = 0;
 280         do
 281         {
 282                 max = 0;
 283                 best = NULL;
 284                 for (i=0 ; i<prog->numfunctions ; i++)
 285                 {
 286                         f = &prog->functions[i];
 287                         if (max < f->totaltime)
 288                         {
 289                                 max = f->totaltime;
 290                                 best = f;
 291                         }
 292                 }
 293                 if (best)
 294                 {
 295                         sum += best->totaltime;
 296                         Con_Printf("%9.4f %s\n", best->totaltime, PRVM_GetString(prog, best->s_name));
 297                         best->totaltime = 0;
 298                 }
 299         } while (best);
 300
 301         newprofiletime = Sys_DirtyTime();
 302         Con_Printf("Total time since last profile reset: %9.4f\n", newprofiletime - prog->profiletime);
 303         Con_Printf("       - used by QC code of this VM: %9.4f\n", sum);
 304
 305         prog->profiletime = newprofiletime;
 306 }
 307
 308 void PRVM_Profile (prvm_prog_t *prog, int maxfunctions, double mintime, int sortby)
 309 {
 310         mfunction_t *f, *best;
 311         int i, num;
 312         double max;
 313
 314         if(!prvm_timeprofiling.integer)
 315                 mintime *= 10000000; // count each statement as about 0.1µs
 316
 317         if(prvm_timeprofiling.integer)
 318                 Con_Printf( "%s Profile:\n[CallCount]      [Time] [BuiltinTm] [Statement] [BuiltinCt] [TimeTotal] [StmtTotal] [BltnTotal] [self]\n", prog->name );
 319                 //                        12345678901 12345678901 12345678901 12345678901 12345678901 12345678901 12345678901 123.45%
 320         else
 321                 Con_Printf( "%s Profile:\n[CallCount] [Statement] [BuiltinCt] [StmtTotal] [BltnTotal] [self]\n", prog->name );
 322                 //                        12345678901 12345678901 12345678901 12345678901 12345678901 123.45%
 323
 324         num = 0;
 325         do
 326         {
 327                 max = 0;
 328                 best = NULL;
 329                 for (i=0 ; i<prog->numfunctions ; i++)
 330                 {
 331                         f = &prog->functions[i];
 332                         if(prvm_timeprofiling.integer)
 333                         {
 334                                 if(sortby)
 335                                 {
 336                                         if(f->first_statement < 0)
 337                                         {
 338                                                 if (max < f->tprofile)
 339                                                 {
 340                                                         max = f->tprofile;
 341                                                         best = f;
 342                                                 }
 343                                         }
 344                                         else
 345                                         {
 346                                                 if (max < f->tprofile_total)
 347                                                 {
 348                                                         max = f->tprofile_total;
 349                                                         best = f;
 350                                                 }
 351                                         }
 352                                 }
 353                                 else
 354                                 {
 355                                         if (max < f->tprofile + f->tbprofile)
 356                                         {
 357                                                 max = f->tprofile + f->tbprofile;
 358                                                 best = f;
 359                                         }
 360                                 }
 361                         }
 362                         else
 363                         {
 364                                 if(sortby)
 365                                 {
 366                                         if (max < f->profile_total + f->builtinsprofile_total + f->callcount)
 367                                         {
 368                                                 max = f->profile_total + f->builtinsprofile_total + f->callcount;
 369                                                 best = f;
 370                                         }
 371                                 }
 372                                 else
 373                                 {
 374                                         if (max < f->profile + f->builtinsprofile + f->callcount)
 375                                         {
 376                                                 max = f->profile + f->builtinsprofile + f->callcount;
 377                                                 best = f;
 378                                         }
 379                                 }
 380                         }
 381                 }
 382                 if (best)
 383                 {
 384                         if (num < maxfunctions && max > mintime)
 385                         {
 386                                 if(prvm_timeprofiling.integer)
 387                                 {
 388                                         if (best->first_statement < 0)
 389                                                 Con_Printf("%11.0f %11.6f ------------- builtin ------------- %11.6f ----------- builtin ----------- %s\n", best->callcount, best->tprofile, best->tprofile, PRVM_GetString(prog, best->s_name));
 390                                         //                 %11.6f 12345678901 12345678901 12345678901 %11.6f 12345678901 12345678901 123.45%
 391                                         else
 392                                                 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));
 393                                 }
 394                                 else
 395                                 {
 396                                         if (best->first_statement < 0)
 397                                                 Con_Printf("%11.0f ----------------------- builtin ----------------------- %s\n", best->callcount, PRVM_GetString(prog, best->s_name));
 398                                         //                 12345678901 12345678901 12345678901 12345678901 123.45%
 399                                         else
 400                                                 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));
 401                                 }
 402                         }
 403                         num++;
 404                         best->profile = 0;
 405                         best->tprofile = 0;
 406                         best->tbprofile = 0;
 407                         best->builtinsprofile = 0;
 408                         best->profile_total = 0;
 409                         best->tprofile_total = 0;
 410                         best->builtinsprofile_total = 0;
 411                         best->callcount = 0;
 412                 }
 413         } while (best);
 414 }
 415
 416 /*
 417 ============
 418 PRVM_CallProfile_f
 419
 420 ============
 421 */
 422 void PRVM_CallProfile_f (void)
 423 {
 424         prvm_prog_t *prog;
 425         if (Cmd_Argc() != 2)
 426         {
 427                 Con_Print("prvm_callprofile <program name>\n");
 428                 return;
 429         }
 430
 431         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 432                 return;
 433
 434         PRVM_CallProfile(prog);
 435 }
 436
 437 /*
 438 ============
 439 PRVM_Profile_f
 440
 441 ============
 442 */
 443 void PRVM_Profile_f (void)
 444 {
 445         prvm_prog_t *prog;
 446         int howmany;
 447
 448         howmany = 1<<30;
 449         if (Cmd_Argc() == 3)
 450                 howmany = atoi(Cmd_Argv(2));
 451         else if (Cmd_Argc() != 2)
 452         {
 453                 Con_Print("prvm_profile <program name>\n");
 454                 return;
 455         }
 456
 457         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 458                 return;
 459
 460         PRVM_Profile(prog, howmany, 0, 0);
 461 }
 462
 463 void PRVM_ChildProfile_f (void)
 464 {
 465         prvm_prog_t *prog;
 466         int howmany;
 467
 468         howmany = 1<<30;
 469         if (Cmd_Argc() == 3)
 470                 howmany = atoi(Cmd_Argv(2));
 471         else if (Cmd_Argc() != 2)
 472         {
 473                 Con_Print("prvm_childprofile <program name>\n");
 474                 return;
 475         }
 476
 477         if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
 478                 return;
 479
 480         PRVM_Profile(prog, howmany, 0, 1);
 481 }
 482
 483 void PRVM_PrintState(prvm_prog_t *prog)
 484 {
 485         int i;
 486         if (prog->statestring)
 487         {
 488                 Con_Printf("Caller-provided information: %s\n", prog->statestring);
 489         }
 490         if (prog->xfunction)
 491         {
 492                 for (i = -7; i <= 0;i++)
 493                         if (prog->xstatement + i >= prog->xfunction->first_statement)
 494                                 PRVM_PrintStatement(prog, prog->statements + prog->xstatement + i);
 495         }
 496         else
 497                 Con_Print("null function executing??\n");
 498         PRVM_StackTrace(prog);
 499 }
 500
 501 extern cvar_t prvm_errordump;
 502 void PRVM_Crash(prvm_prog_t *prog)
 503 {
 504         char vabuf[1024];
 505         if (prog == NULL)
 506                 return;
 507         if (!prog->loaded)
 508                 return;
 509
 510         PRVM_serverfunction(SV_Shutdown) = 0; // don't call SV_Shutdown on crash
 511
 512         if( prog->depth > 0 )
 513         {
 514                 Con_Printf("QuakeC crash report for %s:\n", prog->name);
 515                 PRVM_PrintState(prog);
 516         }
 517
 518         if(prvm_errordump.integer)
 519         {
 520                 // make a savegame
 521                 Host_Savegame_to(prog, va(vabuf, sizeof(vabuf), "crash-%s.dmp", prog->name));
 522         }
 523
 524         // dump the stack so host_error can shutdown functions
 525         prog->depth = 0;
 526         prog->localstack_used = 0;
 527
 528         // delete all tempstrings (FIXME: is this safe in VM->engine->VM recursion?)
 529         prog->tempstringsbuf.cursize = 0;
 530
 531         // reset the prog pointer
 532         prog = NULL;
 533 }
 534
 535 /*
 536 ============================================================================
 537 PRVM_ExecuteProgram
 538
 539 The interpretation main loop
 540 ============================================================================
 541 */
 542
 543 /*
 544 ====================
 545 PRVM_EnterFunction
 546
 547 Returns the new program statement counter
 548 ====================
 549 */
 550 static int PRVM_EnterFunction (prvm_prog_t *prog, mfunction_t *f)
 551 {
 552         int             i, j, c, o;
 553
 554         if (!f)
 555                 prog->error_cmd("PRVM_EnterFunction: NULL function in %s", prog->name);
 556
 557         prog->stack[prog->depth].s = prog->xstatement;
 558         prog->stack[prog->depth].f = prog->xfunction;
 559         prog->stack[prog->depth].profile_acc = -f->profile;
 560         prog->stack[prog->depth].tprofile_acc = -f->tprofile + -f->tbprofile;
 561         prog->stack[prog->depth].builtinsprofile_acc = -f->builtinsprofile;
 562         prog->depth++;
 563         if (prog->depth >=PRVM_MAX_STACK_DEPTH)
 564                 prog->error_cmd("stack overflow");
 565
 566 // save off any locals that the new function steps on
 567         c = f->locals;
 568         if (prog->localstack_used + c > PRVM_LOCALSTACK_SIZE)
 569                 prog->error_cmd("PRVM_ExecuteProgram: locals stack overflow in %s", prog->name);
 570
 571         for (i=0 ; i < c ; i++)
 572                 prog->localstack[prog->localstack_used+i] = prog->globals.ip[f->parm_start + i];
 573         prog->localstack_used += c;
 574
 575 // copy parameters
 576         o = f->parm_start;
 577         for (i=0 ; i<f->numparms ; i++)
 578         {
 579                 for (j=0 ; j<f->parm_size[i] ; j++)
 580                 {
 581                         prog->globals.ip[o] = prog->globals.ip[OFS_PARM0+i*3+j];
 582                         o++;
 583                 }
 584         }
 585
 586         ++f->recursion;
 587         prog->xfunction = f;
 588         return f->first_statement - 1;  // offset the s++
 589 }
 590
 591 /*
 592 ====================
 593 PRVM_LeaveFunction
 594 ====================
 595 */
 596 static int PRVM_LeaveFunction (prvm_prog_t *prog)
 597 {
 598         int             i, c;
 599         mfunction_t *f;
 600
 601         if (prog->depth <= 0)
 602                 prog->error_cmd("prog stack underflow in %s", prog->name);
 603
 604         if (!prog->xfunction)
 605                 prog->error_cmd("PR_LeaveFunction: NULL function in %s", prog->name);
 606 // restore locals from the stack
 607         c = prog->xfunction->locals;
 608         prog->localstack_used -= c;
 609         if (prog->localstack_used < 0)
 610                 prog->error_cmd("PRVM_ExecuteProgram: locals stack underflow in %s", prog->name);
 611
 612         for (i=0 ; i < c ; i++)
 613                 prog->globals.ip[prog->xfunction->parm_start + i] = prog->localstack[prog->localstack_used+i];
 614
 615 // up stack
 616         prog->depth--;
 617         f = prog->xfunction;
 618         --f->recursion;
 619         prog->xfunction = prog->stack[prog->depth].f;
 620         prog->stack[prog->depth].profile_acc += f->profile;
 621         prog->stack[prog->depth].tprofile_acc += f->tprofile + f->tbprofile;
 622         prog->stack[prog->depth].builtinsprofile_acc += f->builtinsprofile;
 623         if(prog->depth > 0)
 624         {
 625                 prog->stack[prog->depth-1].profile_acc += prog->stack[prog->depth].profile_acc;
 626                 prog->stack[prog->depth-1].tprofile_acc += prog->stack[prog->depth].tprofile_acc;
 627                 prog->stack[prog->depth-1].builtinsprofile_acc += prog->stack[prog->depth].builtinsprofile_acc;
 628         }
 629         if(!f->recursion)
 630         {
 631                 // if f is already on the call stack...
 632                 // we cannot add this profile data to it now
 633                 // or we would add it more than once
 634                 // so, let's only add to the function's profile if it is the outermost call
 635                 f->profile_total += prog->stack[prog->depth].profile_acc;
 636                 f->tprofile_total += prog->stack[prog->depth].tprofile_acc;
 637                 f->builtinsprofile_total += prog->stack[prog->depth].builtinsprofile_acc;
 638         }
 639
 640         return prog->stack[prog->depth].s;
 641 }
 642
 643 void PRVM_Init_Exec(prvm_prog_t *prog)
 644 {
 645         // dump the stack
 646         prog->depth = 0;
 647         prog->localstack_used = 0;
 648         // reset the string table
 649         // nothing here yet
 650 }
 651
 652 #define OPA ((prvm_eval_t *)&prog->globals.fp[st->operand[0]])
 653 #define OPB ((prvm_eval_t *)&prog->globals.fp[st->operand[1]])
 654 #define OPC ((prvm_eval_t *)&prog->globals.fp[st->operand[2]])
 655 extern cvar_t prvm_traceqc;
 656 extern cvar_t prvm_statementprofiling;
 657 extern qboolean prvm_runawaycheck;
 658
 659 #ifdef PROFILING
 660 /*
 661 ====================
 662 MVM_ExecuteProgram
 663 ====================
 664 */
 665 void MVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 666 {
 667         mstatement_t    *st, *startst;
 668         mfunction_t     *f, *newf;
 669         prvm_edict_t    *ed;
 670         prvm_eval_t     *ptr;
 671         int             jumpcount, cachedpr_trace, exitdepth;
 672         int             restorevm_tempstringsbuf_cursize;
 673         double  calltime;
 674         double tm, starttm;
 675
 676         calltime = Sys_DirtyTime();
 677
 678         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 679         {
 680                 if (PRVM_allglobaledict(self))
 681                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 682                 prog->error_cmd("MVM_ExecuteProgram: %s", errormessage);
 683         }
 684
 685         f = &prog->functions[fnum];
 686
 687         // after executing this function, delete all tempstrings it created
 688         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 689
 690         prog->trace = prvm_traceqc.integer;
 691
 692         // we know we're done when pr_depth drops to this
 693         exitdepth = prog->depth;
 694
 695 // make a stack frame
 696         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 697         // save the starting statement pointer for profiling
 698         // (when the function exits or jumps, the (st - startst) integer value is
 699         // added to the function's profile counter)
 700         startst = st;
 701         starttm = calltime;
 702         // instead of counting instructions, we count jumps
 703         jumpcount = 0;
 704         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 705         prog->xfunction->callcount++;
 706
 707 chooseexecprogram:
 708         cachedpr_trace = prog->trace;
 709         if (prvm_statementprofiling.integer || prog->trace)
 710         {
 711 #define PRVMSLOWINTERPRETER 1
 712                 if (prvm_timeprofiling.integer)
 713                 {
 714 #define PRVMTIMEPROFILING 1
 715 #include "prvm_execprogram.h"
 716 #undef PRVMTIMEPROFILING
 717                 }
 718                 else
 719                 {
 720 #include "prvm_execprogram.h"
 721                 }
 722 #undef PRVMSLOWINTERPRETER
 723         }
 724         else
 725         {
 726                 if (prvm_timeprofiling.integer)
 727                 {
 728 #define PRVMTIMEPROFILING 1
 729 #include "prvm_execprogram.h"
 730 #undef PRVMTIMEPROFILING
 731                 }
 732                 else
 733                 {
 734 #include "prvm_execprogram.h"
 735                 }
 736         }
 737
 738 cleanup:
 739         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 740                 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);
 741         // delete tempstrings created by this function
 742         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 743
 744         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 745         f->totaltime += tm;
 746
 747         if (prog == SVVM_prog)
 748                 SV_FlushBroadcastMessages();
 749 }
 750
 751 /*
 752 ====================
 753 CLVM_ExecuteProgram
 754 ====================
 755 */
 756 void CLVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 757 {
 758         mstatement_t    *st, *startst;
 759         mfunction_t     *f, *newf;
 760         prvm_edict_t    *ed;
 761         prvm_eval_t     *ptr;
 762         int             jumpcount, cachedpr_trace, exitdepth;
 763         int             restorevm_tempstringsbuf_cursize;
 764         double  calltime;
 765         double tm, starttm;
 766
 767         calltime = Sys_DirtyTime();
 768
 769         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 770         {
 771                 if (PRVM_allglobaledict(self))
 772                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 773                 prog->error_cmd("CLVM_ExecuteProgram: %s", errormessage);
 774         }
 775
 776         f = &prog->functions[fnum];
 777
 778         // after executing this function, delete all tempstrings it created
 779         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 780
 781         prog->trace = prvm_traceqc.integer;
 782
 783         // we know we're done when pr_depth drops to this
 784         exitdepth = prog->depth;
 785
 786 // make a stack frame
 787         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 788         // save the starting statement pointer for profiling
 789         // (when the function exits or jumps, the (st - startst) integer value is
 790         // added to the function's profile counter)
 791         startst = st;
 792         starttm = calltime;
 793         // instead of counting instructions, we count jumps
 794         jumpcount = 0;
 795         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 796         prog->xfunction->callcount++;
 797
 798 chooseexecprogram:
 799         cachedpr_trace = prog->trace;
 800         if (prvm_statementprofiling.integer || prog->trace)
 801         {
 802 #define PRVMSLOWINTERPRETER 1
 803                 if (prvm_timeprofiling.integer)
 804                 {
 805 #define PRVMTIMEPROFILING 1
 806 #include "prvm_execprogram.h"
 807 #undef PRVMTIMEPROFILING
 808                 }
 809                 else
 810                 {
 811 #include "prvm_execprogram.h"
 812                 }
 813 #undef PRVMSLOWINTERPRETER
 814         }
 815         else
 816         {
 817                 if (prvm_timeprofiling.integer)
 818                 {
 819 #define PRVMTIMEPROFILING 1
 820 #include "prvm_execprogram.h"
 821 #undef PRVMTIMEPROFILING
 822                 }
 823                 else
 824                 {
 825 #include "prvm_execprogram.h"
 826                 }
 827         }
 828
 829 cleanup:
 830         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 831                 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);
 832         // delete tempstrings created by this function
 833         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 834
 835         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 836         f->totaltime += tm;
 837
 838         if (prog == SVVM_prog)
 839                 SV_FlushBroadcastMessages();
 840 }
 841 #endif
 842
 843 /*
 844 ====================
 845 SVVM_ExecuteProgram
 846 ====================
 847 */
 848 #ifdef PROFILING
 849 void SVVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 850 #else
 851 void PRVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 852 #endif
 853 {
 854         mstatement_t    *st, *startst;
 855         mfunction_t     *f, *newf;
 856         prvm_edict_t    *ed;
 857         prvm_eval_t     *ptr;
 858         int             jumpcount, cachedpr_trace, exitdepth;
 859         int             restorevm_tempstringsbuf_cursize;
 860         double  calltime;
 861         double tm, starttm;
 862
 863         calltime = Sys_DirtyTime();
 864
 865         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 866         {
 867                 if (PRVM_allglobaledict(self))
 868                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 869                 prog->error_cmd("SVVM_ExecuteProgram: %s", errormessage);
 870         }
 871
 872         f = &prog->functions[fnum];
 873
 874         // after executing this function, delete all tempstrings it created
 875         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 876
 877         prog->trace = prvm_traceqc.integer;
 878
 879         // we know we're done when pr_depth drops to this
 880         exitdepth = prog->depth;
 881
 882 // make a stack frame
 883         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 884         // save the starting statement pointer for profiling
 885         // (when the function exits or jumps, the (st - startst) integer value is
 886         // added to the function's profile counter)
 887         startst = st;
 888         starttm = calltime;
 889         // instead of counting instructions, we count jumps
 890         jumpcount = 0;
 891         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 892         prog->xfunction->callcount++;
 893
 894 chooseexecprogram:
 895         cachedpr_trace = prog->trace;
 896         if (prvm_statementprofiling.integer || prog->trace)
 897         {
 898 #define PRVMSLOWINTERPRETER 1
 899                 if (prvm_timeprofiling.integer)
 900                 {
 901 #define PRVMTIMEPROFILING 1
 902 #include "prvm_execprogram.h"
 903 #undef PRVMTIMEPROFILING
 904                 }
 905                 else
 906                 {
 907 #include "prvm_execprogram.h"
 908                 }
 909 #undef PRVMSLOWINTERPRETER
 910         }
 911         else
 912         {
 913                 if (prvm_timeprofiling.integer)
 914                 {
 915 #define PRVMTIMEPROFILING 1
 916 #include "prvm_execprogram.h"
 917 #undef PRVMTIMEPROFILING
 918                 }
 919                 else
 920                 {
 921 #include "prvm_execprogram.h"
 922                 }
 923         }
 924
 925 cleanup:
 926         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 927                 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);
 928         // delete tempstrings created by this function
 929         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 930
 931         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 932         f->totaltime += tm;
 933
 934         if (prog == SVVM_prog)
 935                 SV_FlushBroadcastMessages();
 936 }