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