main.c

   1 /* main.c **********************************************************************
   2
   3         Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
   4
   5         See file COPYRIGHT for information on usage and disclaimer of warranties
   6
   7         Enthaelt die Funktion main() und die Variablen fuer die
   8         globalen Optionen.
   9         Dieser Modul erledigt folgende Aufgaben:
  10            - Bearbeiten der command-line-options
  11            - Aufrufen aller Initialisierungsroutinen
  12            - Aufrufen des Classloaders
  13            - Starten der main - Methode
  14
  15         Authors: Reinhard Grafl      EMAIL: cacao@complang.tuwien.ac.at
  16         Changes: Andi Krall          EMAIL: cacao@complang.tuwien.ac.at
  17                  Mark Probst         EMAIL: cacao@complang.tuwien.ac.at
  18                          Philipp Tomsich     EMAIL: cacao@complang.tuwien.ac.at
  19
  20         Last Change: $Id: main.c 132 1999-09-27 15:54:42Z chris $
  21
  22 *******************************************************************************/
  23
  24 #include "global.h"
  25
  26 #include "tables.h"
  27 #include "loader.h"
  28 #include "jit.h"
  29 #ifdef OLD_COMPILER
  30 #include "compiler.h"
  31 #endif
  32
  33 #include "asmpart.h"
  34 #include "builtin.h"
  35 #include "native.h"
  36
  37 #include "threads/thread.h"
  38
  39 bool compileall = false;
  40 int  newcompiler = true;
  41 bool verbose =  false;
  42 #ifdef NEW_GC
  43 bool new_gc = false;
  44 #endif
  45
  46 static bool showmethods = false;
  47 static bool showconstantpool = false;
  48 static bool showunicode = false;
  49 static classinfo *topclass;
  50
  51 #ifndef USE_THREADS
  52 void **stackbottom = 0;
  53 #endif
  54
  55
  56 /* internal function: get_opt *************************************************
  57
  58         decodes the next command line option
  59
  60 ******************************************************************************/
  61
  62 #define OPT_DONE  -1
  63 #define OPT_ERROR  0
  64 #define OPT_IGNORE 1
  65
  66 #define OPT_CLASSPATH   2
  67 #define OPT_D           3
  68 #define OPT_MS          4
  69 #define OPT_MX          5
  70 #define OPT_VERBOSE1    6
  71 #define OPT_VERBOSE     7
  72 #define OPT_VERBOSEGC   8
  73 #define OPT_VERBOSECALL 9
  74 #define OPT_IEEE        10
  75 #define OPT_SOFTNULL    11
  76 #define OPT_TIME        12
  77 #define OPT_STAT        13
  78 #define OPT_LOG         14
  79 #define OPT_CHECK       15
  80 #define OPT_LOAD        16
  81 #define OPT_METHOD      17
  82 #define OPT_SIGNATURE   18
  83 #define OPT_SHOW        19
  84 #define OPT_ALL         20
  85 #ifdef OLD_COMPILER
  86 #define OPT_OLD         21
  87 #endif
  88 #ifdef NEW_GC
  89 #define OPT_GC1         22
  90 #define OPT_GC2         23
  91 #endif
  92 #define OPT_OLOOP       24
  93
  94 struct {char *name; bool arg; int value;} opts[] = {
  95         {"classpath",   true,   OPT_CLASSPATH},
  96         {"D",           true,   OPT_D},
  97         {"ms",          true,   OPT_MS},
  98         {"mx",          true,   OPT_MX},
  99         {"noasyncgc",   false,  OPT_IGNORE},
 100         {"noverify",    false,  OPT_IGNORE},
 101         {"oss",         true,   OPT_IGNORE},
 102         {"ss",          true,   OPT_IGNORE},
 103         {"v",           false,  OPT_VERBOSE1},
 104         {"verbose",     false,  OPT_VERBOSE},
 105         {"verbosegc",   false,  OPT_VERBOSEGC},
 106         {"verbosecall", false,  OPT_VERBOSECALL},
 107         {"ieee",        false,  OPT_IEEE},
 108         {"softnull",    false,  OPT_SOFTNULL},
 109         {"time",        false,  OPT_TIME},
 110         {"stat",        false,  OPT_STAT},
 111         {"log",         true,   OPT_LOG},
 112         {"c",           true,   OPT_CHECK},
 113         {"l",           false,  OPT_LOAD},
 114         {"m",           true,   OPT_METHOD},
 115         {"sig",         true,   OPT_SIGNATURE},
 116         {"s",           true,   OPT_SHOW},
 117         {"all",         false,  OPT_ALL},
 118 #ifdef OLD_COMPILER
 119         {"old",         false,  OPT_OLD},
 120 #endif
 121 #ifdef NEW_GC
 122         {"gc1",         false,  OPT_GC1},
 123         {"gc2",         false,  OPT_GC2},
 124 #endif
 125         {"oloop",       false,  OPT_OLOOP},
 126         {NULL,  false, 0}
 127 };
 128
 129 static int opt_ind = 1;
 130 static char *opt_arg;
 131
 132 static int get_opt (int argc, char **argv)
 133 {
 134         char *a;
 135         int i;
 136
 137         if (opt_ind >= argc) return OPT_DONE;
 138
 139         a = argv[opt_ind];
 140         if (a[0] != '-') return OPT_DONE;
 141
 142         for (i=0; opts[i].name; i++) {
 143                 if (! opts[i].arg) {
 144                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 145                                 opt_ind++;
 146                                 return opts[i].value;
 147                         }
 148                 }
 149                 else {
 150                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 151                                 opt_ind++;
 152                                 if (opt_ind < argc) {
 153                                         opt_arg = argv[opt_ind];
 154                                         opt_ind++;
 155                                         return opts[i].value;
 156                                 }
 157                                 return OPT_ERROR;
 158                         }
 159                         else {
 160                                 size_t l = strlen(opts[i].name);
 161                                 if (strlen(a+1) > l) {
 162                                         if (memcmp (a+1, opts[i].name, l)==0) {
 163                                                 opt_ind++;
 164                                                 opt_arg = a+1+l;
 165                                                 return opts[i].value;
 166                                         }
 167                                 }
 168                         }
 169                 }
 170         } /* end for */
 171
 172         return OPT_ERROR;
 173 }
 174
 175
 176
 177
 178 /******************** interne Funktion: print_usage ************************
 179
 180 Gibt die richtige Aufrufsyntax des JavaVM-Compilers auf stdout aus.
 181
 182 ***************************************************************************/
 183
 184 static void print_usage()
 185 {
 186         printf ("USAGE: cacao [options] classname [program arguments\n");
 187         printf ("Options:\n");
 188         printf ("          -classpath path ...... specify a path to look for classes\n");
 189         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 190         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 191         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 192         printf ("          -v ................... write state-information\n");
 193         printf ("          -verbose ............. write more information\n");
 194         printf ("          -verbosegc ........... write message for each GC\n");
 195         printf ("          -verbosecall ......... write message for each call\n");
 196         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 197         printf ("          -softnull ............ use software nullpointer check\n");
 198         printf ("          -time ................ measure the runtime\n");
 199         printf ("          -stat ................ detailed compiler statistics\n");
 200         printf ("          -log logfile ......... specify a name for the logfile\n");
 201         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 202         printf ("                  s(ync) ....... don't check for synchronization\n");
 203         printf ("          -oloop ............... optimize array accesses in loops\n");
 204         printf ("          -l ................... don't start the class after loading\n");
 205         printf ("          -all ................. compile all methods, no execution\n");
 206 #ifdef OLD_COMPILER
 207         printf ("          -old ................. use old JIT compiler\n");
 208 #endif
 209 #if 0
 210         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 211         printf ("          -gc2 ................. use the new garbage collector\n");
 212 #endif
 213         printf ("          -m ................... compile only a specific method\n");
 214         printf ("          -sig ................. specify signature for a specific method\n");
 215         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 216         printf ("                 c(onstants) ... show the constant pool\n");
 217         printf ("                 d(atasegment).. show data segment listing\n");
 218         printf ("                 i(ntermediate). show intermediate representation\n");
 219         printf ("                 m(ethods)...... show class fields and methods\n");
 220 #ifdef OLD_COMPILER
 221         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 222 #endif
 223         printf ("                 u(nicode) ..... show the unicode - hash\n");
 224 }
 225
 226
 227
 228 /***************************** Funktion: print_times *********************
 229
 230         gibt eine Aufstellung der verwendeten CPU-Zeit aus
 231
 232 **************************************************************************/
 233
 234 static void print_times()
 235 {
 236         long int totaltime = getcputime();
 237         long int runtime = totaltime - loadingtime - compilingtime;
 238
 239         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 240              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 241         dolog();
 242         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 243              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 244         dolog();
 245         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 246              runtime / 1000000, (runtime % 1000000) / 1000);
 247         dolog();
 248         sprintf (logtext, "Total time: %ld secs, %ld millis",
 249              totaltime / 1000000, (totaltime % 1000000) / 1000);
 250         dolog();
 251 }
 252
 253
 254
 255
 256
 257
 258 /***************************** Funktion: print_stats *********************
 259
 260         outputs detailed compiler statistics
 261
 262 **************************************************************************/
 263
 264 static void print_stats()
 265 {
 266         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 267         dolog();
 268         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 269         dolog();
 270         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 271         dolog();
 272         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 273         dolog();
 274         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 275         dolog();
 276         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 277         dolog();
 278         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 279                                                       count_javacodesize - count_methods * 18);
 280         dolog();
 281         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 282         dolog();
 283         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 284         dolog();
 285         sprintf (logtext, "Number of Alpha-Instructions: %d", count_code_len >> 2);
 286         dolog();
 287         sprintf (logtext, "Number of Spills: %d", count_spills);
 288         dolog();
 289         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 290         dolog();
 291         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 292         dolog();
 293         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 294         dolog();
 295         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 296         dolog();
 297         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 298         dolog();
 299         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 300         dolog();
 301         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 302         dolog();
 303         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 304         dolog();
 305         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 306         dolog();
 307         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 308         dolog();
 309         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 310         dolog();
 311         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 312                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 313         dolog();
 314         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 315         dolog();
 316         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 317                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 318         dolog();
 319         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 320         dolog();
 321         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 322         dolog();
 323         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 324         dolog();
 325         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 326         dolog();
 327         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 328         dolog();
 329         sprintf (logtext, "Distribution of stack sizes at block boundary");
 330         dolog();
 331         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 332         dolog();
 333         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 334                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 335                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 336                 count_block_stack[9],count_block_stack[10]);
 337         dolog();
 338         sprintf (logtext, "Distribution of store stack depth");
 339         dolog();
 340         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 341         dolog();
 342         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 343                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 344                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 345                 count_store_depth[9],count_store_depth[10]);
 346         dolog();
 347         sprintf (logtext, "Distribution of store creator chains first part");
 348         dolog();
 349         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 350         dolog();
 351         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 352                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 353                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 354                 count_store_length[9]);
 355         dolog();
 356         sprintf (logtext, "Distribution of store creator chains second part");
 357         dolog();
 358         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 359         dolog();
 360         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 361                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 362                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 363                 count_store_length[19],count_store_length[20]);
 364         dolog();
 365         sprintf (logtext, "Distribution of analysis iterations");
 366         dolog();
 367         sprintf (logtext, "    1    2    3    4    >=5");
 368         dolog();
 369         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 370                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 371         dolog();
 372         sprintf (logtext, "Distribution of basic blocks per method");
 373         dolog();
 374         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 375         dolog();
 376         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 377                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 378                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 379                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 380         dolog();
 381         sprintf (logtext, "Distribution of basic block sizes");
 382         dolog();
 383         sprintf (logtext,
 384         "  1    2    3    4   5   6   7   8   9  10 <13 <15 <17 <19 <21 <26 <31 >30");
 385         dolog();
 386         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 387                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 388                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 389                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 390                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 391                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 392                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 393         dolog();
 394         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 395         dolog();
 396         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 397         dolog();
 398         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 399         dolog();
 400         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_unicode_len) / 1024);
 401         dolog();
 402         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 403         dolog();
 404         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 405         dolog();
 406         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 407         dolog();
 408         sprintf (logtext, "Size of Unicode (Kb):    %10.3f", (float) count_unicode_len / 1024);
 409         dolog();
 410         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 411                                                       count_vmcode_len - 18 * count_all_methods);
 412         dolog();
 413         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 414         dolog();
 415         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 416         dolog();
 417 }
 418
 419
 420 /********** Funktion: class_compile_methods   (nur f"ur Debug-Zwecke) ********/
 421
 422 void class_compile_methods ()
 423 {
 424         int        i;
 425         classinfo  *c;
 426         methodinfo *m;
 427
 428         c = list_first (&linkedclasses);
 429         while (c) {
 430                 for (i = 0; i < c -> methodscount; i++) {
 431                         m = &(c->methods[i]);
 432                         if (m->jcode) {
 433 #ifdef OLD_COMPILER
 434                                 if (newcompiler)
 435 #endif
 436                                         (void) jit_compile(m);
 437 #ifdef OLD_COMPILER
 438                                 else
 439                                         (void) compiler_compile(m);
 440 #endif
 441                                 }
 442                         }
 443                 c = list_next (&linkedclasses, c);
 444                 }
 445 }
 446
 447 /*
 448  * void exit_handler(void)
 449  * -----------------------
 450  * The exit_handler function is called upon program termination to shutdown
 451  * the various subsystems and release the resources allocated to the VM.
 452  */
 453
 454 void exit_handler(void)
 455 {
 456         /********************* Debug-Tabellen ausgeben ************************/
 457
 458         if (showmethods) class_showmethods (topclass);
 459         if (showconstantpool)  class_showconstantpool (topclass);
 460         if (showunicode)       unicode_show ();
 461
 462 #ifdef USE_THREADS
 463         clear_thread_flags();           /* restores standard file descriptor
 464                                                                    flags */
 465 #endif
 466
 467         /************************ Freigeben aller Resourcen *******************/
 468
 469         heap_close ();                          /* must be called before compiler_close and
 470                                                                    loader_close because finalization occurs
 471                                                                    here */
 472
 473 #ifdef OLD_COMPILER
 474         compiler_close ();
 475 #endif
 476         loader_close ();
 477         unicode_close ( literalstring_free );
 478
 479         if (verbose || getcompilingtime || statistics) {
 480                 log_text ("CACAO terminated");
 481                 if (statistics)
 482                         print_stats ();
 483                 if (getcompilingtime)
 484                         print_times ();
 485                 mem_usagelog(1);
 486         }
 487 }
 488
 489 /************************** Funktion: main *******************************
 490
 491    Das Hauptprogramm.
 492    Wird vom System zu Programstart aufgerufen (eh klar).
 493
 494 **************************************************************************/
 495
 496 int main(int argc, char **argv)
 497 {
 498         s4 i,j;
 499         char *cp;
 500         java_objectheader *exceptionptr;
 501         void *dummy;
 502
 503         /********** interne (nur fuer main relevante Optionen) **************/
 504
 505         char logfilename[200] = "";
 506         u4 heapsize = 16000000;
 507         u4 heapstartsize = 200000;
 508         char classpath[500] = ".:/usr/local/lib/java/classes";
 509         bool startit = true;
 510         char *specificmethodname = NULL;
 511         char *specificsignature = NULL;
 512
 513 #ifndef USE_THREADS
 514         stackbottom = &dummy;
 515 #endif
 516
 517         if (0 != atexit(exit_handler))
 518                 panic("unable to register exit_handler");
 519
 520         /************ Infos aus der Environment lesen ************************/
 521
 522         cp = getenv ("CLASSPATH");
 523         if (cp) {
 524                 strcpy (classpath, cp);
 525         }
 526
 527         /***************** Interpretieren der Kommandozeile *****************/
 528
 529         checknull = false;
 530         checkfloats = false;
 531
 532         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 533
 534                 switch (i) {
 535                 case OPT_IGNORE: break;
 536
 537                 case OPT_CLASSPATH:
 538                         strcpy (classpath + strlen(classpath), ":");
 539                         strcpy (classpath + strlen(classpath), opt_arg);
 540                         break;
 541
 542                 case OPT_D:
 543                         {
 544                                 int n,l=strlen(opt_arg);
 545                                 for (n=0; n<l; n++) {
 546                                         if (opt_arg[n]=='=') {
 547                                                 opt_arg[n] = '\0';
 548                                                 attach_property (opt_arg, opt_arg+n+1);
 549                                                 goto didit;
 550                                         }
 551                                 }
 552                                 print_usage();
 553                                 exit(10);
 554
 555                         didit: ;
 556                         }
 557                 break;
 558
 559                 case OPT_MS:
 560                 case OPT_MX:
 561                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 562                                 j = 1024 * atoi(opt_arg);
 563                         }
 564                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 565                                 j = 1024 * 1024 * atoi(opt_arg);
 566                         }
 567                         else j = atoi(opt_arg);
 568
 569                         if (i==OPT_MX) heapsize = j;
 570                         else heapstartsize = j;
 571                         break;
 572
 573                 case OPT_VERBOSE1:
 574                         verbose = true;
 575                         break;
 576
 577                 case OPT_VERBOSE:
 578                         verbose = true;
 579                         loadverbose = true;
 580                         initverbose = true;
 581                         compileverbose = true;
 582                         break;
 583
 584                 case OPT_VERBOSEGC:
 585                         collectverbose = true;
 586                         break;
 587
 588                 case OPT_VERBOSECALL:
 589                         runverbose = true;
 590                         break;
 591
 592                 case OPT_IEEE:
 593                         checkfloats = true;
 594                         break;
 595
 596                 case OPT_SOFTNULL:
 597                         checknull = true;
 598                         break;
 599
 600                 case OPT_TIME:
 601                         getcompilingtime = true;
 602                         getloadingtime = true;
 603                         break;
 604
 605                 case OPT_STAT:
 606                         statistics = true;
 607                         break;
 608
 609                 case OPT_LOG:
 610                         strcpy (logfilename, opt_arg);
 611                         break;
 612
 613
 614                 case OPT_CHECK:
 615                         for (j=0; j<strlen(opt_arg); j++) {
 616                                 switch (opt_arg[j]) {
 617                                 case 'b': checkbounds=false; break;
 618                                 case 's': checksync=false; break;
 619                                 default:  print_usage();
 620                                         exit(10);
 621                                 }
 622                         }
 623                         break;
 624
 625                 case OPT_LOAD:
 626                         startit = false;
 627                         makeinitializations = false;
 628                         break;
 629
 630                 case OPT_METHOD:
 631                         startit = false;
 632                         specificmethodname = opt_arg;
 633                         makeinitializations = false;
 634                         break;
 635
 636                 case OPT_SIGNATURE:
 637                         specificsignature = opt_arg;
 638                         break;
 639
 640                 case OPT_ALL:
 641                         compileall = true;
 642                         startit = false;
 643                         makeinitializations = false;
 644                         break;
 645
 646 #ifdef OLD_COMPILER
 647                 case OPT_OLD:
 648                         newcompiler = false;
 649                         checknull = true;
 650                         break;
 651 #endif
 652
 653 #ifdef NEW_GC
 654                 case OPT_GC2:
 655                         new_gc = true;
 656                         break;
 657
 658                 case OPT_GC1:
 659                         new_gc = false;
 660                         break;
 661 #endif
 662
 663                 case OPT_SHOW:       /* Anzeigeoptionen */
 664                         for (j=0; j<strlen(opt_arg); j++) {
 665                                 switch (opt_arg[j]) {
 666                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 667                                 case 'c':  showconstantpool=true; break;
 668                                 case 'd':  showddatasegment=true; break;
 669                                 case 'i':  showintermediate=true; compileverbose=true; break;
 670                                 case 'm':  showmethods=true; break;
 671 #ifdef OLD_COMPILER
 672                                 case 's':  showstack=true; compileverbose=true; break;
 673 #endif
 674                                 case 'u':  showunicode=true; break;
 675                                 default:   print_usage();
 676                                         exit(10);
 677                                 }
 678                         }
 679                         break;
 680
 681                 case OPT_OLOOP:
 682                         opt_loops = true;
 683                         break;
 684
 685                 default:
 686                         print_usage();
 687                         exit(10);
 688                 }
 689
 690
 691         }
 692
 693
 694         if (opt_ind >= argc) {
 695                 print_usage ();
 696                 exit(10);
 697         }
 698
 699
 700         /**************************** Programmstart *****************************/
 701
 702         log_init (logfilename);
 703         if (verbose) {
 704                 log_text (
 705                                   "CACAO started -------------------------------------------------------");
 706         }
 707
 708         suck_init (classpath);
 709         native_setclasspath (classpath);
 710
 711         unicode_init();
 712         heap_init(heapsize, heapstartsize, &dummy);
 713         loader_init();
 714 #ifdef OLD_COMPILER
 715         compiler_init();
 716 #endif
 717         jit_init();
 718
 719         native_loadclasses ();
 720
 721
 722         /*********************** JAVA-Klassen laden  ***************************/
 723
 724         cp = argv[opt_ind++];
 725         for (i=strlen(cp)-1; i>=0; i--) {     /* Punkte im Klassennamen */
 726                 if (cp[i]=='.') cp[i]='/';        /* auf slashes umbauen */
 727         }
 728
 729         topclass = loader_load ( unicode_new_char (cp) );
 730
 731         loader_compute_subclasses();
 732
 733         gc_init();
 734
 735 #ifdef USE_THREADS
 736         initThreads((u1*)&dummy);                   /* schani */
 737 #endif
 738
 739         /************************* Arbeitsroutinen starten ********************/
 740
 741         if (startit) {
 742                 methodinfo *mainmethod;
 743                 java_objectarray *a;
 744
 745                 heap_addreference((void**) &a);
 746
 747                 mainmethod = class_findmethod (
 748                                                                            topclass,
 749                                                                            unicode_new_char ("main"),
 750                                                                            unicode_new_char ("([Ljava/lang/String;)V")
 751                                                                            );
 752                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 753                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 754
 755                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 756                 for (i=opt_ind; i<argc; i++) {
 757                         a->data[i-opt_ind] = javastring_new (unicode_new_char (argv[i]) );
 758                 }
 759                 exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 760
 761                 if (exceptionptr) {
 762                         printf ("#### Program has thrown: ");
 763                         unicode_display (exceptionptr->vftbl->class->name);
 764                         printf ("\n");
 765                 }
 766
 767 #ifdef USE_THREADS
 768                 killThread(currentThread);
 769 #endif
 770                 fprintf(stderr, "still here\n");
 771         }
 772
 773         /************* Auf Wunsch alle Methode "ubersetzen ********************/
 774
 775         if (compileall) {
 776                 class_compile_methods();
 777         }
 778
 779
 780         /******** Auf Wunsch eine spezielle Methode "ubersetzen ***************/
 781
 782         if (specificmethodname) {
 783                 methodinfo *m;
 784                 if (specificsignature)
 785                         m = class_findmethod(topclass,
 786                                                                  unicode_new_char(specificmethodname),
 787                                                                  unicode_new_char(specificsignature));
 788                 else
 789                         m = class_findmethod(topclass,
 790                                                                  unicode_new_char(specificmethodname), NULL);
 791                 if (!m) panic ("Specific method not found");
 792 #ifdef OLD_COMPILER
 793                 if (newcompiler)
 794 #endif
 795                         (void) jit_compile(m);
 796 #ifdef OLD_COMPILER
 797                 else
 798                         (void) compiler_compile(m);
 799 #endif
 800         }
 801
 802         exit(0);
 803 }
 804
 805
 806
 807 /************************************ SHUTDOWN-Funktion *********************************
 808
 809         Terminiert das System augenblicklich, ohne den Speicher
 810         explizit freizugeben (eigentlich nur f"ur abnorme
 811         Programmterminierung)
 812
 813 *****************************************************************************************/
 814
 815 void cacao_shutdown(s4 status)
 816 {
 817         if (verbose || getcompilingtime || statistics) {
 818                 log_text ("CACAO terminated by shutdown");
 819                 if (statistics)
 820                         print_stats ();
 821                 if (getcompilingtime)
 822                         print_times ();
 823                 mem_usagelog(0);
 824                 sprintf (logtext, "Exit status: %d\n", (int) status);
 825                 dolog();
 826                 }
 827
 828         exit(status);
 829 }
 830
 831
 832 /*
 833  * These are local overrides for various environment variables in Emacs.
 834  * Please do not remove this and leave it at the end of the file, where
 835  * Emacs will automagically detect them.
 836  * ---------------------------------------------------------------------
 837  * Local variables:
 838  * mode: c
 839  * indent-tabs-mode: t
 840  * c-basic-offset: 4
 841  * tab-width: 4
 842  * End:
 843  */