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