src/cacao/cacao.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: cacao.c 123 1999-01-28 19:48:49Z phil $
  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
  93 struct {char *name; bool arg; int value;} opts[] = {
  94         {"classpath",   true,   OPT_CLASSPATH},
  95         {"D",           true,   OPT_D},
  96         {"ms",          true,   OPT_MS},
  97         {"mx",          true,   OPT_MX},
  98         {"noasyncgc",   false,  OPT_IGNORE},
  99         {"noverify",    false,  OPT_IGNORE},
 100         {"oss",         true,   OPT_IGNORE},
 101         {"ss",          true,   OPT_IGNORE},
 102         {"v",           false,  OPT_VERBOSE1},
 103         {"verbose",     false,  OPT_VERBOSE},
 104         {"verbosegc",   false,  OPT_VERBOSEGC},
 105         {"verbosecall", false,  OPT_VERBOSECALL},
 106         {"ieee",        false,  OPT_IEEE},
 107         {"softnull",    false,  OPT_SOFTNULL},
 108         {"time",        false,  OPT_TIME},
 109         {"stat",        false,  OPT_STAT},
 110         {"log",         true,   OPT_LOG},
 111         {"c",           true,   OPT_CHECK},
 112         {"l",           false,  OPT_LOAD},
 113         {"m",           true,   OPT_METHOD},
 114         {"sig",         true,   OPT_SIGNATURE},
 115         {"s",           true,   OPT_SHOW},
 116         {"all",         false,  OPT_ALL},
 117 #ifdef OLD_COMPILER
 118         {"old",         false,  OPT_OLD},
 119 #endif
 120 #ifdef NEW_GC
 121         {"gc1",         false,  OPT_GC1},
 122         {"gc2",         false,  OPT_GC2},
 123 #endif
 124         {NULL,  false, 0}
 125 };
 126
 127 static int opt_ind = 1;
 128 static char *opt_arg;
 129
 130 static int get_opt (int argc, char **argv)
 131 {
 132         char *a;
 133         int i;
 134
 135         if (opt_ind >= argc) return OPT_DONE;
 136
 137         a = argv[opt_ind];
 138         if (a[0] != '-') return OPT_DONE;
 139
 140         for (i=0; opts[i].name; i++) {
 141                 if (! opts[i].arg) {
 142                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 143                                 opt_ind++;
 144                                 return opts[i].value;
 145                         }
 146                 }
 147                 else {
 148                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 149                                 opt_ind++;
 150                                 if (opt_ind < argc) {
 151                                         opt_arg = argv[opt_ind];
 152                                         opt_ind++;
 153                                         return opts[i].value;
 154                                 }
 155                                 return OPT_ERROR;
 156                         }
 157                         else {
 158                                 size_t l = strlen(opts[i].name);
 159                                 if (strlen(a+1) > l) {
 160                                         if (memcmp (a+1, opts[i].name, l)==0) {
 161                                                 opt_ind++;
 162                                                 opt_arg = a+1+l;
 163                                                 return opts[i].value;
 164                                         }
 165                                 }
 166                         }
 167                 }
 168         } /* end for */
 169
 170         return OPT_ERROR;
 171 }
 172
 173
 174
 175
 176 /******************** interne Funktion: print_usage ************************
 177
 178 Gibt die richtige Aufrufsyntax des JavaVM-Compilers auf stdout aus.
 179
 180 ***************************************************************************/
 181
 182 static void print_usage()
 183 {
 184         printf ("USAGE: cacao [options] classname [program arguments\n");
 185         printf ("Options:\n");
 186         printf ("          -classpath path ...... specify a path to look for classes\n");
 187         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 188         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 189         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 190         printf ("          -v ................... write state-information\n");
 191         printf ("          -verbose ............. write more information\n");
 192         printf ("          -verbosegc ........... write message for each GC\n");
 193         printf ("          -verbosecall ......... write message for each call\n");
 194         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 195         printf ("          -softnull ............ use software nullpointer check\n");
 196         printf ("          -time ................ measure the runtime\n");
 197         printf ("          -stat ................ detailed compiler statistics\n");
 198         printf ("          -log logfile ......... specify a name for the logfile\n");
 199         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 200         printf ("                  s(ync) ....... don't check for synchronization\n");
 201         printf ("          -l ................... don't start the class after loading\n");
 202         printf ("          -all ................. compile all methods, no execution\n");
 203 #ifdef OLD_COMPILER
 204         printf ("          -old ................. use old JIT compiler\n");
 205 #endif
 206 #if 0
 207         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 208         printf ("          -gc2 ................. use the new garbage collector\n");
 209 #endif
 210         printf ("          -m ................... compile only a specific method\n");
 211         printf ("          -sig ................. specify signature for a specific method\n");
 212         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 213         printf ("                 c(onstants) ... show the constant pool\n");
 214         printf ("                 d(atasegment).. show data segment listing\n");
 215         printf ("                 i(ntermediate). show intermediate representation\n");
 216         printf ("                 m(ethods)...... show class fields and methods\n");
 217 #ifdef OLD_COMPILER
 218         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 219 #endif
 220         printf ("                 u(nicode) ..... show the unicode - hash\n");
 221 }
 222
 223
 224
 225 /***************************** Funktion: print_times *********************
 226
 227         gibt eine Aufstellung der verwendeten CPU-Zeit aus
 228
 229 **************************************************************************/
 230
 231 static void print_times()
 232 {
 233         long int totaltime = getcputime();
 234         long int runtime = totaltime - loadingtime - compilingtime;
 235
 236         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 237              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 238         dolog();
 239         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 240              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 241         dolog();
 242         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 243              runtime / 1000000, (runtime % 1000000) / 1000);
 244         dolog();
 245         sprintf (logtext, "Total time: %ld secs, %ld millis",
 246              totaltime / 1000000, (totaltime % 1000000) / 1000);
 247         dolog();
 248 }
 249
 250
 251
 252
 253
 254
 255 /***************************** Funktion: print_stats *********************
 256
 257         outputs detailed compiler statistics
 258
 259 **************************************************************************/
 260
 261 static void print_stats()
 262 {
 263         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 264         dolog();
 265         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 266         dolog();
 267         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 268         dolog();
 269         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 270         dolog();
 271         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 272         dolog();
 273         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 274         dolog();
 275         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 276                                                       count_javacodesize - count_methods * 18);
 277         dolog();
 278         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 279         dolog();
 280         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 281         dolog();
 282         sprintf (logtext, "Number of Alpha-Instructions: %d", count_code_len >> 2);
 283         dolog();
 284         sprintf (logtext, "Number of Spills: %d", count_spills);
 285         dolog();
 286         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 287         dolog();
 288         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 289         dolog();
 290         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 291         dolog();
 292         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 293         dolog();
 294         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 295         dolog();
 296         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 297         dolog();
 298         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 299         dolog();
 300         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 301         dolog();
 302         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 303         dolog();
 304         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 305         dolog();
 306         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 307         dolog();
 308         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 309                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 310         dolog();
 311         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 312         dolog();
 313         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 314                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 315         dolog();
 316         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 317         dolog();
 318         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 319         dolog();
 320         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 321         dolog();
 322         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 323         dolog();
 324         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 325         dolog();
 326         sprintf (logtext, "Distribution of stack sizes at block boundary");
 327         dolog();
 328         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 329         dolog();
 330         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 331                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 332                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 333                 count_block_stack[9],count_block_stack[10]);
 334         dolog();
 335         sprintf (logtext, "Distribution of store stack depth");
 336         dolog();
 337         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 338         dolog();
 339         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 340                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 341                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 342                 count_store_depth[9],count_store_depth[10]);
 343         dolog();
 344         sprintf (logtext, "Distribution of store creator chains first part");
 345         dolog();
 346         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 347         dolog();
 348         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 349                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 350                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 351                 count_store_length[9]);
 352         dolog();
 353         sprintf (logtext, "Distribution of store creator chains second part");
 354         dolog();
 355         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 356         dolog();
 357         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 358                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 359                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 360                 count_store_length[19],count_store_length[20]);
 361         dolog();
 362         sprintf (logtext, "Distribution of analysis iterations");
 363         dolog();
 364         sprintf (logtext, "    1    2    3    4    >=5");
 365         dolog();
 366         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 367                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 368         dolog();
 369         sprintf (logtext, "Distribution of basic blocks per method");
 370         dolog();
 371         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 372         dolog();
 373         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 374                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 375                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 376                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 377         dolog();
 378         sprintf (logtext, "Distribution of basic block sizes");
 379         dolog();
 380         sprintf (logtext,
 381         "  1    2    3    4   5   6   7   8   9  10 <13 <15 <17 <19 <21 <26 <31 >30");
 382         dolog();
 383         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 384                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 385                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 386                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 387                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 388                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 389                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 390         dolog();
 391         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 392         dolog();
 393         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 394         dolog();
 395         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 396         dolog();
 397         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_unicode_len) / 1024);
 398         dolog();
 399         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 400         dolog();
 401         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 402         dolog();
 403         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 404         dolog();
 405         sprintf (logtext, "Size of Unicode (Kb):    %10.3f", (float) count_unicode_len / 1024);
 406         dolog();
 407         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 408                                                       count_vmcode_len - 18 * count_all_methods);
 409         dolog();
 410         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 411         dolog();
 412         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 413         dolog();
 414 }
 415
 416
 417 /********** Funktion: class_compile_methods   (nur f"ur Debug-Zwecke) ********/
 418
 419 void class_compile_methods ()
 420 {
 421         int        i;
 422         classinfo  *c;
 423         methodinfo *m;
 424
 425         c = list_first (&linkedclasses);
 426         while (c) {
 427                 for (i = 0; i < c -> methodscount; i++) {
 428                         m = &(c->methods[i]);
 429                         if (m->jcode) {
 430 #ifdef OLD_COMPILER
 431                                 if (newcompiler)
 432 #endif
 433                                         (void) jit_compile(m);
 434 #ifdef OLD_COMPILER
 435                                 else
 436                                         (void) compiler_compile(m);
 437 #endif
 438                                 }
 439                         }
 440                 c = list_next (&linkedclasses, c);
 441                 }
 442 }
 443
 444 /*
 445  * void exit_handler(void)
 446  * -----------------------
 447  * The exit_handler function is called upon program termination to shutdown
 448  * the various subsystems and release the resources allocated to the VM.
 449  */
 450
 451 void exit_handler(void)
 452 {
 453         /********************* Debug-Tabellen ausgeben ************************/
 454
 455         if (showmethods) class_showmethods (topclass);
 456         if (showconstantpool)  class_showconstantpool (topclass);
 457         if (showunicode)       unicode_show ();
 458
 459 #ifdef USE_THREADS
 460         clear_thread_flags();           /* restores standard file descriptor
 461                                                                    flags */
 462 #endif
 463
 464         /************************ Freigeben aller Resourcen *******************/
 465
 466         heap_close ();                          /* must be called before compiler_close and
 467                                                                    loader_close because finalization occurs
 468                                                                    here */
 469
 470 #ifdef OLD_COMPILER
 471         compiler_close ();
 472 #endif
 473         loader_close ();
 474         unicode_close ( literalstring_free );
 475
 476         if (verbose || getcompilingtime || statistics) {
 477                 log_text ("CACAO terminated");
 478                 if (statistics)
 479                         print_stats ();
 480                 if (getcompilingtime)
 481                         print_times ();
 482                 mem_usagelog(1);
 483         }
 484 }
 485
 486 /************************** Funktion: main *******************************
 487
 488    Das Hauptprogramm.
 489    Wird vom System zu Programstart aufgerufen (eh klar).
 490
 491 **************************************************************************/
 492
 493 int main(int argc, char **argv)
 494 {
 495         s4 i,j;
 496         char *cp;
 497         java_objectheader *exceptionptr;
 498         void *dummy;
 499
 500         /********** interne (nur fuer main relevante Optionen) **************/
 501
 502         char logfilename[200] = "";
 503         u4 heapsize = 16000000;
 504         u4 heapstartsize = 200000;
 505         char classpath[500] = ".:/usr/local/lib/java/classes";
 506         bool startit = true;
 507         char *specificmethodname = NULL;
 508         char *specificsignature = NULL;
 509
 510 #ifndef USE_THREADS
 511         stackbottom = &dummy;
 512 #endif
 513
 514         if (0 != atexit(exit_handler))
 515                 panic("unable to register exit_handler");
 516
 517         /************ Infos aus der Environment lesen ************************/
 518
 519         cp = getenv ("CLASSPATH");
 520         if (cp) {
 521                 strcpy (classpath, cp);
 522         }
 523
 524         /***************** Interpretieren der Kommandozeile *****************/
 525
 526         checknull = false;
 527         checkfloats = false;
 528
 529         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 530
 531                 switch (i) {
 532                 case OPT_IGNORE: break;
 533
 534                 case OPT_CLASSPATH:
 535                         strcpy (classpath + strlen(classpath), ":");
 536                         strcpy (classpath + strlen(classpath), opt_arg);
 537                         break;
 538
 539                 case OPT_D:
 540                         {
 541                                 int n,l=strlen(opt_arg);
 542                                 for (n=0; n<l; n++) {
 543                                         if (opt_arg[n]=='=') {
 544                                                 opt_arg[n] = '\0';
 545                                                 attach_property (opt_arg, opt_arg+n+1);
 546                                                 goto didit;
 547                                         }
 548                                 }
 549                                 print_usage();
 550                                 exit(10);
 551
 552                         didit: ;
 553                         }
 554                 break;
 555
 556                 case OPT_MS:
 557                 case OPT_MX:
 558                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 559                                 j = 1024 * atoi(opt_arg);
 560                         }
 561                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 562                                 j = 1024 * 1024 * atoi(opt_arg);
 563                         }
 564                         else j = atoi(opt_arg);
 565
 566                         if (i==OPT_MX) heapsize = j;
 567                         else heapstartsize = j;
 568                         break;
 569
 570                 case OPT_VERBOSE1:
 571                         verbose = true;
 572                         break;
 573
 574                 case OPT_VERBOSE:
 575                         verbose = true;
 576                         loadverbose = true;
 577                         initverbose = true;
 578                         compileverbose = true;
 579                         break;
 580
 581                 case OPT_VERBOSEGC:
 582                         collectverbose = true;
 583                         break;
 584
 585                 case OPT_VERBOSECALL:
 586                         runverbose = true;
 587                         break;
 588
 589                 case OPT_IEEE:
 590                         checkfloats = true;
 591                         break;
 592
 593                 case OPT_SOFTNULL:
 594                         checknull = true;
 595                         break;
 596
 597                 case OPT_TIME:
 598                         getcompilingtime = true;
 599                         getloadingtime = true;
 600                         break;
 601
 602                 case OPT_STAT:
 603                         statistics = true;
 604                         break;
 605
 606                 case OPT_LOG:
 607                         strcpy (logfilename, opt_arg);
 608                         break;
 609
 610
 611                 case OPT_CHECK:
 612                         for (j=0; j<strlen(opt_arg); j++) {
 613                                 switch (opt_arg[j]) {
 614                                 case 'b': checkbounds=false; break;
 615                                 case 's': checksync=false; break;
 616                                 default:  print_usage();
 617                                         exit(10);
 618                                 }
 619                         }
 620                         break;
 621
 622                 case OPT_LOAD:
 623                         startit = false;
 624                         makeinitializations = false;
 625                         break;
 626
 627                 case OPT_METHOD:
 628                         startit = false;
 629                         specificmethodname = opt_arg;
 630                         makeinitializations = false;
 631                         break;
 632
 633                 case OPT_SIGNATURE:
 634                         specificsignature = opt_arg;
 635                         break;
 636
 637                 case OPT_ALL:
 638                         compileall = true;
 639                         startit = false;
 640                         makeinitializations = false;
 641                         break;
 642
 643 #ifdef OLD_COMPILER
 644                 case OPT_OLD:
 645                         newcompiler = false;
 646                         checknull = true;
 647                         break;
 648 #endif
 649
 650 #ifdef NEW_GC
 651                 case OPT_GC2:
 652                         new_gc = true;
 653                         break;
 654
 655                 case OPT_GC1:
 656                         new_gc = false;
 657                         break;
 658 #endif
 659
 660                 case OPT_SHOW:       /* Anzeigeoptionen */
 661                         for (j=0; j<strlen(opt_arg); j++) {
 662                                 switch (opt_arg[j]) {
 663                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 664                                 case 'c':  showconstantpool=true; break;
 665                                 case 'd':  showddatasegment=true; break;
 666                                 case 'i':  showintermediate=true; compileverbose=true; break;
 667                                 case 'm':  showmethods=true; break;
 668 #ifdef OLD_COMPILER
 669                                 case 's':  showstack=true; compileverbose=true; break;
 670 #endif
 671                                 case 'u':  showunicode=true; break;
 672                                 default:   print_usage();
 673                                         exit(10);
 674                                 }
 675                         }
 676                         break;
 677
 678                 default:
 679                         print_usage();
 680                         exit(10);
 681                 }
 682
 683
 684         }
 685
 686
 687         if (opt_ind >= argc) {
 688                 print_usage ();
 689                 exit(10);
 690         }
 691
 692
 693         /**************************** Programmstart *****************************/
 694
 695         log_init (logfilename);
 696         if (verbose) {
 697                 log_text (
 698                                   "CACAO started -------------------------------------------------------");
 699         }
 700
 701         suck_init (classpath);
 702         native_setclasspath (classpath);
 703
 704         unicode_init();
 705         heap_init(heapsize, heapstartsize, &dummy);
 706         loader_init();
 707 #ifdef OLD_COMPILER
 708         compiler_init();
 709 #endif
 710         jit_init();
 711
 712         native_loadclasses ();
 713
 714
 715         /*********************** JAVA-Klassen laden  ***************************/
 716
 717         cp = argv[opt_ind++];
 718         for (i=strlen(cp)-1; i>=0; i--) {     /* Punkte im Klassennamen */
 719                 if (cp[i]=='.') cp[i]='/';        /* auf slashes umbauen */
 720         }
 721
 722         topclass = loader_load ( unicode_new_char (cp) );
 723
 724         loader_compute_subclasses();
 725
 726         gc_init();
 727
 728 #ifdef USE_THREADS
 729         initThreads((u1*)&dummy);                   /* schani */
 730 #endif
 731
 732         /************************* Arbeitsroutinen starten ********************/
 733
 734         if (startit) {
 735                 methodinfo *mainmethod;
 736                 java_objectarray *a;
 737
 738                 heap_addreference((void**) &a);
 739
 740                 mainmethod = class_findmethod (
 741                                                                            topclass,
 742                                                                            unicode_new_char ("main"),
 743                                                                            unicode_new_char ("([Ljava/lang/String;)V")
 744                                                                            );
 745                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 746                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 747
 748                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 749                 for (i=opt_ind; i<argc; i++) {
 750                         a->data[i-opt_ind] = javastring_new (unicode_new_char (argv[i]) );
 751                 }
 752                 exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 753
 754                 if (exceptionptr) {
 755                         printf ("#### Program has thrown: ");
 756                         unicode_display (exceptionptr->vftbl->class->name);
 757                         printf ("\n");
 758                 }
 759
 760 #ifdef USE_THREADS
 761                 killThread(currentThread);
 762 #endif
 763                 fprintf(stderr, "still here\n");
 764         }
 765
 766         /************* Auf Wunsch alle Methode "ubersetzen ********************/
 767
 768         if (compileall) {
 769                 class_compile_methods();
 770         }
 771
 772
 773         /******** Auf Wunsch eine spezielle Methode "ubersetzen ***************/
 774
 775         if (specificmethodname) {
 776                 methodinfo *m;
 777                 if (specificsignature)
 778                         m = class_findmethod(topclass,
 779                                                                  unicode_new_char(specificmethodname),
 780                                                                  unicode_new_char(specificsignature));
 781                 else
 782                         m = class_findmethod(topclass,
 783                                                                  unicode_new_char(specificmethodname), NULL);
 784                 if (!m) panic ("Specific method not found");
 785 #ifdef OLD_COMPILER
 786                 if (newcompiler)
 787 #endif
 788                         (void) jit_compile(m);
 789 #ifdef OLD_COMPILER
 790                 else
 791                         (void) compiler_compile(m);
 792 #endif
 793         }
 794
 795         exit(0);
 796 }
 797
 798
 799
 800 /************************************ SHUTDOWN-Funktion *********************************
 801
 802         Terminiert das System augenblicklich, ohne den Speicher
 803         explizit freizugeben (eigentlich nur f"ur abnorme
 804         Programmterminierung)
 805
 806 *****************************************************************************************/
 807
 808 void cacao_shutdown(s4 status)
 809 {
 810         if (verbose || getcompilingtime || statistics) {
 811                 log_text ("CACAO terminated by shutdown");
 812                 if (statistics)
 813                         print_stats ();
 814                 if (getcompilingtime)
 815                         print_times ();
 816                 mem_usagelog(0);
 817                 sprintf (logtext, "Exit status: %d\n", (int) status);
 818                 dolog();
 819                 }
 820
 821         exit(status);
 822 }
 823
 824
 825 /*
 826  * These are local overrides for various environment variables in Emacs.
 827  * Please do not remove this and leave it at the end of the file, where
 828  * Emacs will automagically detect them.
 829  * ---------------------------------------------------------------------
 830  * Local variables:
 831  * mode: c
 832  * indent-tabs-mode: t
 833  * c-basic-offset: 4
 834  * tab-width: 4
 835  * End:
 836  */