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, int stack_index)
 484 {
 485         int i;
 486         mfunction_t *func = prog->xfunction;
 487         int st = prog->xstatement;
 488         if (stack_index > 0 && stack_index <= prog->depth)
 489         {
 490                 func = prog->stack[prog->depth - stack_index].f;
 491                 st = prog->stack[prog->depth - stack_index].s;
 492         }
 493         if (prog->statestring)
 494         {
 495                 Con_Printf("Caller-provided information: %s\n", prog->statestring);
 496         }
 497         if (func)
 498         {
 499                 for (i = -7; i <= 0;i++)
 500                         if (st + i >= func->first_statement)
 501                                 PRVM_PrintStatement(prog, prog->statements + st + i);
 502         }
 503         PRVM_StackTrace(prog);
 504 }
 505
 506 extern cvar_t prvm_errordump;
 507 void PRVM_Crash(prvm_prog_t *prog)
 508 {
 509         char vabuf[1024];
 510         if (prog == NULL)
 511                 return;
 512         if (!prog->loaded)
 513                 return;
 514
 515         PRVM_serverfunction(SV_Shutdown) = 0; // don't call SV_Shutdown on crash
 516
 517         if( prog->depth > 0 )
 518         {
 519                 Con_Printf("QuakeC crash report for %s:\n", prog->name);
 520                 PRVM_PrintState(prog, 0);
 521         }
 522
 523         if(prvm_errordump.integer)
 524         {
 525                 // make a savegame
 526                 Host_Savegame_to(prog, va(vabuf, sizeof(vabuf), "crash-%s.dmp", prog->name));
 527         }
 528
 529         // dump the stack so host_error can shutdown functions
 530         prog->depth = 0;
 531         prog->localstack_used = 0;
 532
 533         // delete all tempstrings (FIXME: is this safe in VM->engine->VM recursion?)
 534         prog->tempstringsbuf.cursize = 0;
 535
 536         // reset the prog pointer
 537         prog = NULL;
 538 }
 539
 540 /*
 541 ============================================================================
 542 PRVM_ExecuteProgram
 543
 544 The interpretation main loop
 545 ============================================================================
 546 */
 547
 548 /*
 549 ====================
 550 PRVM_EnterFunction
 551
 552 Returns the new program statement counter
 553 ====================
 554 */
 555 static int PRVM_EnterFunction (prvm_prog_t *prog, mfunction_t *f)
 556 {
 557         int             i, j, c, o;
 558
 559         if (!f)
 560                 prog->error_cmd("PRVM_EnterFunction: NULL function in %s", prog->name);
 561
 562         prog->stack[prog->depth].s = prog->xstatement;
 563         prog->stack[prog->depth].f = prog->xfunction;
 564         prog->stack[prog->depth].profile_acc = -f->profile;
 565         prog->stack[prog->depth].tprofile_acc = -f->tprofile + -f->tbprofile;
 566         prog->stack[prog->depth].builtinsprofile_acc = -f->builtinsprofile;
 567         prog->depth++;
 568         if (prog->depth >=PRVM_MAX_STACK_DEPTH)
 569                 prog->error_cmd("stack overflow");
 570
 571 // save off any locals that the new function steps on
 572         c = f->locals;
 573         if (prog->localstack_used + c > PRVM_LOCALSTACK_SIZE)
 574                 prog->error_cmd("PRVM_ExecuteProgram: locals stack overflow in %s", prog->name);
 575
 576         for (i=0 ; i < c ; i++)
 577                 prog->localstack[prog->localstack_used+i] = prog->globals.ip[f->parm_start + i];
 578         prog->localstack_used += c;
 579
 580 // copy parameters
 581         o = f->parm_start;
 582         for (i=0 ; i<f->numparms ; i++)
 583         {
 584                 for (j=0 ; j<f->parm_size[i] ; j++)
 585                 {
 586                         prog->globals.ip[o] = prog->globals.ip[OFS_PARM0+i*3+j];
 587                         o++;
 588                 }
 589         }
 590
 591         ++f->recursion;
 592         prog->xfunction = f;
 593         return f->first_statement - 1;  // offset the s++
 594 }
 595
 596 /*
 597 ====================
 598 PRVM_LeaveFunction
 599 ====================
 600 */
 601 static int PRVM_LeaveFunction (prvm_prog_t *prog)
 602 {
 603         int             i, c;
 604         mfunction_t *f;
 605
 606         if (prog->depth <= 0)
 607                 prog->error_cmd("prog stack underflow in %s", prog->name);
 608
 609         if (!prog->xfunction)
 610                 prog->error_cmd("PR_LeaveFunction: NULL function in %s", prog->name);
 611 // restore locals from the stack
 612         c = prog->xfunction->locals;
 613         prog->localstack_used -= c;
 614         if (prog->localstack_used < 0)
 615                 prog->error_cmd("PRVM_ExecuteProgram: locals stack underflow in %s", prog->name);
 616
 617         for (i=0 ; i < c ; i++)
 618                 prog->globals.ip[prog->xfunction->parm_start + i] = prog->localstack[prog->localstack_used+i];
 619
 620 // up stack
 621         prog->depth--;
 622         f = prog->xfunction;
 623         --f->recursion;
 624         prog->xfunction = prog->stack[prog->depth].f;
 625         prog->stack[prog->depth].profile_acc += f->profile;
 626         prog->stack[prog->depth].tprofile_acc += f->tprofile + f->tbprofile;
 627         prog->stack[prog->depth].builtinsprofile_acc += f->builtinsprofile;
 628         if(prog->depth > 0)
 629         {
 630                 prog->stack[prog->depth-1].profile_acc += prog->stack[prog->depth].profile_acc;
 631                 prog->stack[prog->depth-1].tprofile_acc += prog->stack[prog->depth].tprofile_acc;
 632                 prog->stack[prog->depth-1].builtinsprofile_acc += prog->stack[prog->depth].builtinsprofile_acc;
 633         }
 634         if(!f->recursion)
 635         {
 636                 // if f is already on the call stack...
 637                 // we cannot add this profile data to it now
 638                 // or we would add it more than once
 639                 // so, let's only add to the function's profile if it is the outermost call
 640                 f->profile_total += prog->stack[prog->depth].profile_acc;
 641                 f->tprofile_total += prog->stack[prog->depth].tprofile_acc;
 642                 f->builtinsprofile_total += prog->stack[prog->depth].builtinsprofile_acc;
 643         }
 644
 645         return prog->stack[prog->depth].s;
 646 }
 647
 648 void PRVM_Init_Exec(prvm_prog_t *prog)
 649 {
 650         // dump the stack
 651         prog->depth = 0;
 652         prog->localstack_used = 0;
 653         // reset the string table
 654         // nothing here yet
 655 }
 656
 657 #define OPA ((prvm_eval_t *)&prog->globals.fp[st->operand[0]])
 658 #define OPB ((prvm_eval_t *)&prog->globals.fp[st->operand[1]])
 659 #define OPC ((prvm_eval_t *)&prog->globals.fp[st->operand[2]])
 660 extern cvar_t prvm_traceqc;
 661 extern cvar_t prvm_statementprofiling;
 662 extern qboolean prvm_runawaycheck;
 663
 664 #ifdef PROFILING
 665 /*
 666 ====================
 667 MVM_ExecuteProgram
 668 ====================
 669 */
 670 void MVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 671 {
 672         mstatement_t    *st, *startst;
 673         mfunction_t     *f, *newf;
 674         prvm_edict_t    *ed;
 675         prvm_eval_t     *ptr;
 676         int             jumpcount, cachedpr_trace, exitdepth;
 677         int             restorevm_tempstringsbuf_cursize;
 678         double  calltime;
 679         double tm, starttm;
 680         prvm_vec_t tempfloat;
 681
 682         calltime = Sys_DirtyTime();
 683
 684         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 685         {
 686                 if (PRVM_allglobaledict(self))
 687                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 688                 prog->error_cmd("MVM_ExecuteProgram: %s", errormessage);
 689         }
 690
 691         f = &prog->functions[fnum];
 692
 693         // after executing this function, delete all tempstrings it created
 694         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 695
 696         prog->trace = prvm_traceqc.integer;
 697
 698         // we know we're done when pr_depth drops to this
 699         exitdepth = prog->depth;
 700
 701 // make a stack frame
 702         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 703         // save the starting statement pointer for profiling
 704         // (when the function exits or jumps, the (st - startst) integer value is
 705         // added to the function's profile counter)
 706         startst = st;
 707         starttm = calltime;
 708         // instead of counting instructions, we count jumps
 709         jumpcount = 0;
 710         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 711         prog->xfunction->callcount++;
 712
 713 chooseexecprogram:
 714         cachedpr_trace = prog->trace;
 715         if (prvm_statementprofiling.integer || prog->trace || prog->watch_global >= 0 || prog->watch_edict >= 0 || prog->break_statement >= 0)
 716         {
 717 #define PRVMSLOWINTERPRETER 1
 718                 if (prvm_timeprofiling.integer)
 719                 {
 720 #define PRVMTIMEPROFILING 1
 721 #include "prvm_execprogram.h"
 722 #undef PRVMTIMEPROFILING
 723                 }
 724                 else
 725                 {
 726 #include "prvm_execprogram.h"
 727                 }
 728 #undef PRVMSLOWINTERPRETER
 729         }
 730         else
 731         {
 732                 if (prvm_timeprofiling.integer)
 733                 {
 734 #define PRVMTIMEPROFILING 1
 735 #include "prvm_execprogram.h"
 736 #undef PRVMTIMEPROFILING
 737                 }
 738                 else
 739                 {
 740 #include "prvm_execprogram.h"
 741                 }
 742         }
 743
 744 cleanup:
 745         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 746                 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);
 747         // delete tempstrings created by this function
 748         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 749
 750         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 751         f->totaltime += tm;
 752
 753         if (prog == SVVM_prog)
 754                 SV_FlushBroadcastMessages();
 755 }
 756
 757 /*
 758 ====================
 759 CLVM_ExecuteProgram
 760 ====================
 761 */
 762 void CLVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 763 {
 764         mstatement_t    *st, *startst;
 765         mfunction_t     *f, *newf;
 766         prvm_edict_t    *ed;
 767         prvm_eval_t     *ptr;
 768         int             jumpcount, cachedpr_trace, exitdepth;
 769         int             restorevm_tempstringsbuf_cursize;
 770         double  calltime;
 771         double tm, starttm;
 772         prvm_vec_t tempfloat;
 773
 774         calltime = Sys_DirtyTime();
 775
 776         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 777         {
 778                 if (PRVM_allglobaledict(self))
 779                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 780                 prog->error_cmd("CLVM_ExecuteProgram: %s", errormessage);
 781         }
 782
 783         f = &prog->functions[fnum];
 784
 785         // after executing this function, delete all tempstrings it created
 786         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 787
 788         prog->trace = prvm_traceqc.integer;
 789
 790         // we know we're done when pr_depth drops to this
 791         exitdepth = prog->depth;
 792
 793 // make a stack frame
 794         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 795         // save the starting statement pointer for profiling
 796         // (when the function exits or jumps, the (st - startst) integer value is
 797         // added to the function's profile counter)
 798         startst = st;
 799         starttm = calltime;
 800         // instead of counting instructions, we count jumps
 801         jumpcount = 0;
 802         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 803         prog->xfunction->callcount++;
 804
 805 chooseexecprogram:
 806         cachedpr_trace = prog->trace;
 807         if (prvm_statementprofiling.integer || prog->trace || prog->watch_global >= 0 || prog->watch_edict >= 0 || prog->break_statement >= 0)
 808         {
 809 #define PRVMSLOWINTERPRETER 1
 810                 if (prvm_timeprofiling.integer)
 811                 {
 812 #define PRVMTIMEPROFILING 1
 813 #include "prvm_execprogram.h"
 814 #undef PRVMTIMEPROFILING
 815                 }
 816                 else
 817                 {
 818 #include "prvm_execprogram.h"
 819                 }
 820 #undef PRVMSLOWINTERPRETER
 821         }
 822         else
 823         {
 824                 if (prvm_timeprofiling.integer)
 825                 {
 826 #define PRVMTIMEPROFILING 1
 827 #include "prvm_execprogram.h"
 828 #undef PRVMTIMEPROFILING
 829                 }
 830                 else
 831                 {
 832 #include "prvm_execprogram.h"
 833                 }
 834         }
 835
 836 cleanup:
 837         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 838                 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);
 839         // delete tempstrings created by this function
 840         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 841
 842         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 843         f->totaltime += tm;
 844
 845         if (prog == SVVM_prog)
 846                 SV_FlushBroadcastMessages();
 847 }
 848 #endif
 849
 850 /*
 851 ====================
 852 SVVM_ExecuteProgram
 853 ====================
 854 */
 855 #ifdef PROFILING
 856 void SVVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 857 #else
 858 void PRVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage)
 859 #endif
 860 {
 861         mstatement_t    *st, *startst;
 862         mfunction_t     *f, *newf;
 863         prvm_edict_t    *ed;
 864         prvm_eval_t     *ptr;
 865         int             jumpcount, cachedpr_trace, exitdepth;
 866         int             restorevm_tempstringsbuf_cursize;
 867         double  calltime;
 868         double tm, starttm;
 869         prvm_vec_t tempfloat;
 870
 871         calltime = Sys_DirtyTime();
 872
 873         if (!fnum || fnum >= (unsigned int)prog->numfunctions)
 874         {
 875                 if (PRVM_allglobaledict(self))
 876                         PRVM_ED_Print(prog, PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self)), NULL);
 877                 prog->error_cmd("SVVM_ExecuteProgram: %s", errormessage);
 878         }
 879
 880         f = &prog->functions[fnum];
 881
 882         // after executing this function, delete all tempstrings it created
 883         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 884
 885         prog->trace = prvm_traceqc.integer;
 886
 887         // we know we're done when pr_depth drops to this
 888         exitdepth = prog->depth;
 889
 890 // make a stack frame
 891         st = &prog->statements[PRVM_EnterFunction(prog, f)];
 892         // save the starting statement pointer for profiling
 893         // (when the function exits or jumps, the (st - startst) integer value is
 894         // added to the function's profile counter)
 895         startst = st;
 896         starttm = calltime;
 897         // instead of counting instructions, we count jumps
 898         jumpcount = 0;
 899         // add one to the callcount of this function because otherwise engine-called functions aren't counted
 900         prog->xfunction->callcount++;
 901
 902 chooseexecprogram:
 903         cachedpr_trace = prog->trace;
 904         if (prvm_statementprofiling.integer || prog->trace || prog->watch_global >= 0 || prog->watch_edict >= 0 || prog->break_statement >= 0)
 905         {
 906 #define PRVMSLOWINTERPRETER 1
 907                 if (prvm_timeprofiling.integer)
 908                 {
 909 #define PRVMTIMEPROFILING 1
 910 #include "prvm_execprogram.h"
 911 #undef PRVMTIMEPROFILING
 912                 }
 913                 else
 914                 {
 915 #include "prvm_execprogram.h"
 916                 }
 917 #undef PRVMSLOWINTERPRETER
 918         }
 919         else
 920         {
 921                 if (prvm_timeprofiling.integer)
 922                 {
 923 #define PRVMTIMEPROFILING 1
 924 #include "prvm_execprogram.h"
 925 #undef PRVMTIMEPROFILING
 926                 }
 927                 else
 928                 {
 929 #include "prvm_execprogram.h"
 930                 }
 931         }
 932
 933 cleanup:
 934         if (developer_insane.integer && prog->tempstringsbuf.cursize > restorevm_tempstringsbuf_cursize)
 935                 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);
 936         // delete tempstrings created by this function
 937         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 938
 939         tm = Sys_DirtyTime() - calltime;if (tm < 0 || tm >= 1800) tm = 0;
 940         f->totaltime += tm;
 941
 942         if (prog == SVVM_prog)
 943                 SV_FlushBroadcastMessages();
 944 }