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         Contains main() and variables for the global options.
   8         This module does the following tasks:
   9            - Command line option handling
  10            - Calling initialization routines
  11            - Calling the class loader
  12            - Running the main method
  13
  14         Authors: Reinhard Grafl      EMAIL: cacao@complang.tuwien.ac.at
  15         Changes: Andi Krall          EMAIL: cacao@complang.tuwien.ac.at
  16                  Mark Probst         EMAIL: cacao@complang.tuwien.ac.at
  17                          Philipp Tomsich     EMAIL: cacao@complang.tuwien.ac.at
  18
  19         Last Change: $Id: main.c 200 2003-01-21 12:37:13Z stefan $
  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 showutf = 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 #define OPT_OLOOP       24
  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         {"oloop",       false,  OPT_OLOOP},
 125         {NULL,  false, 0}
 126 };
 127
 128 static int opt_ind = 1;
 129 static char *opt_arg;
 130
 131 static int get_opt (int argc, char **argv)
 132 {
 133         char *a;
 134         int i;
 135
 136         if (opt_ind >= argc) return OPT_DONE;
 137
 138         a = argv[opt_ind];
 139         if (a[0] != '-') return OPT_DONE;
 140
 141         for (i=0; opts[i].name; i++) {
 142                 if (! opts[i].arg) {
 143                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 144                                 opt_ind++;
 145                                 return opts[i].value;
 146                         }
 147                 }
 148                 else {
 149                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 150                                 opt_ind++;
 151                                 if (opt_ind < argc) {
 152                                         opt_arg = argv[opt_ind];
 153                                         opt_ind++;
 154                                         return opts[i].value;
 155                                 }
 156                                 return OPT_ERROR;
 157                         }
 158                         else {
 159                                 size_t l = strlen(opts[i].name);
 160                                 if (strlen(a+1) > l) {
 161                                         if (memcmp (a+1, opts[i].name, l)==0) {
 162                                                 opt_ind++;
 163                                                 opt_arg = a+1+l;
 164                                                 return opts[i].value;
 165                                         }
 166                                 }
 167                         }
 168                 }
 169         } /* end for */
 170
 171         return OPT_ERROR;
 172 }
 173
 174
 175
 176
 177 /******************** interne Function: print_usage ************************
 178
 179 Prints the correct usage syntax to stdout.
 180
 181 ***************************************************************************/
 182
 183 static void print_usage()
 184 {
 185         printf ("USAGE: cacao [options] classname [program arguments\n");
 186         printf ("Options:\n");
 187         printf ("          -classpath path ...... specify a path to look for classes\n");
 188         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 189         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 190         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 191         printf ("          -v ................... write state-information\n");
 192         printf ("          -verbose ............. write more information\n");
 193         printf ("          -verbosegc ........... write message for each GC\n");
 194         printf ("          -verbosecall ......... write message for each call\n");
 195         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 196         printf ("          -softnull ............ use software nullpointer check\n");
 197         printf ("          -time ................ measure the runtime\n");
 198         printf ("          -stat ................ detailed compiler statistics\n");
 199         printf ("          -log logfile ......... specify a name for the logfile\n");
 200         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 201         printf ("                  s(ync) ....... don't check for synchronization\n");
 202         printf ("          -oloop ............... optimize array accesses in loops\n");
 203         printf ("          -l ................... don't start the class after loading\n");
 204         printf ("          -all ................. compile all methods, no execution\n");
 205 #ifdef OLD_COMPILER
 206         printf ("          -old ................. use old JIT compiler\n");
 207 #endif
 208 #ifdef NEW_GC
 209         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 210         printf ("          -gc2 ................. use the new garbage collector\n");
 211 #endif
 212         printf ("          -m ................... compile only a specific method\n");
 213         printf ("          -sig ................. specify signature for a specific method\n");
 214         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 215         printf ("                 c(onstants) ... show the constant pool\n");
 216         printf ("                 d(atasegment).. show data segment listing\n");
 217         printf ("                 i(ntermediate). show intermediate representation\n");
 218         printf ("                 m(ethods)...... show class fields and methods\n");
 219 #ifdef OLD_COMPILER
 220         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 221 #endif
 222         printf ("                 u(tf) ......... show the utf - hash\n");
 223 }
 224
 225
 226
 227 /***************************** Function: print_times *********************
 228
 229         Prints a summary of CPU time usage.
 230
 231 **************************************************************************/
 232
 233 static void print_times()
 234 {
 235         long int totaltime = getcputime();
 236         long int runtime = totaltime - loadingtime - compilingtime;
 237
 238         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 239              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 240         dolog();
 241         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 242              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 243         dolog();
 244         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 245              runtime / 1000000, (runtime % 1000000) / 1000);
 246         dolog();
 247         sprintf (logtext, "Total time: %ld secs, %ld millis",
 248              totaltime / 1000000, (totaltime % 1000000) / 1000);
 249         dolog();
 250 }
 251
 252
 253
 254
 255
 256
 257 /***************************** Function: print_stats *********************
 258
 259         outputs detailed compiler statistics
 260
 261 **************************************************************************/
 262
 263 static void print_stats()
 264 {
 265         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 266         dolog();
 267         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 268         dolog();
 269         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 270         dolog();
 271         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 272         dolog();
 273         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 274         dolog();
 275         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 276         dolog();
 277         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 278                                                       count_javacodesize - count_methods * 18);
 279         dolog();
 280         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 281         dolog();
 282         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 283         dolog();
 284         sprintf (logtext, "Number of Alpha-Instructions: %d", count_code_len >> 2);
 285         dolog();
 286         sprintf (logtext, "Number of Spills: %d", count_spills);
 287         dolog();
 288         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 289         dolog();
 290         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 291         dolog();
 292         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 293         dolog();
 294         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 295         dolog();
 296         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 297         dolog();
 298         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 299         dolog();
 300         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 301         dolog();
 302         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 303         dolog();
 304         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 305         dolog();
 306         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 307         dolog();
 308         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 309         dolog();
 310         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 311                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 312         dolog();
 313         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 314         dolog();
 315         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 316                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 317         dolog();
 318         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 319         dolog();
 320         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 321         dolog();
 322         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 323         dolog();
 324         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 325         dolog();
 326         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 327         dolog();
 328         sprintf (logtext, "Distribution of stack sizes at block boundary");
 329         dolog();
 330         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 331         dolog();
 332         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 333                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 334                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 335                 count_block_stack[9],count_block_stack[10]);
 336         dolog();
 337         sprintf (logtext, "Distribution of store stack depth");
 338         dolog();
 339         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 340         dolog();
 341         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 342                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 343                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 344                 count_store_depth[9],count_store_depth[10]);
 345         dolog();
 346         sprintf (logtext, "Distribution of store creator chains first part");
 347         dolog();
 348         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 349         dolog();
 350         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 351                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 352                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 353                 count_store_length[9]);
 354         dolog();
 355         sprintf (logtext, "Distribution of store creator chains second part");
 356         dolog();
 357         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 358         dolog();
 359         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 360                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 361                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 362                 count_store_length[19],count_store_length[20]);
 363         dolog();
 364         sprintf (logtext, "Distribution of analysis iterations");
 365         dolog();
 366         sprintf (logtext, "    1    2    3    4    >=5");
 367         dolog();
 368         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 369                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 370         dolog();
 371         sprintf (logtext, "Distribution of basic blocks per method");
 372         dolog();
 373         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 374         dolog();
 375         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 376                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 377                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 378                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 379         dolog();
 380         sprintf (logtext, "Distribution of basic block sizes");
 381         dolog();
 382         sprintf (logtext,
 383         "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 384         dolog();
 385         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 386                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 387                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 388                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 389                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 390                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 391                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 392         dolog();
 393         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 394         dolog();
 395         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 396         dolog();
 397         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 398         dolog();
 399         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 400         dolog();
 401         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 402         dolog();
 403         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 404         dolog();
 405         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 406         dolog();
 407         sprintf (logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 408         dolog();
 409         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 410                                                       count_vmcode_len - 18 * count_all_methods);
 411         dolog();
 412         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 413         dolog();
 414         sprintf (logtext, "Number of class loads:   %d", count_class_loads);
 415         dolog();
 416         sprintf (logtext, "Number of class inits:   %d", count_class_inits);
 417         dolog();
 418         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 419         dolog();
 420
 421         sprintf (logtext, "Calls of utf_new: %22d", count_utf_new);
 422         dolog();
 423         sprintf (logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 424         dolog();
 425 }
 426
 427
 428 /********** Function: class_compile_methods   (debugging only) ********/
 429
 430 void class_compile_methods ()
 431 {
 432         int        i;
 433         classinfo  *c;
 434         methodinfo *m;
 435
 436         c = list_first (&linkedclasses);
 437         while (c) {
 438                 for (i = 0; i < c -> methodscount; i++) {
 439                         m = &(c->methods[i]);
 440                         if (m->jcode) {
 441 #ifdef OLD_COMPILER
 442                                 if (newcompiler)
 443 #endif
 444                                         (void) jit_compile(m);
 445 #ifdef OLD_COMPILER
 446                                 else
 447                                         (void) compiler_compile(m);
 448 #endif
 449                                 }
 450                         }
 451                 c = list_next (&linkedclasses, c);
 452                 }
 453 }
 454
 455 /*
 456  * void exit_handler(void)
 457  * -----------------------
 458  * The exit_handler function is called upon program termination to shutdown
 459  * the various subsystems and release the resources allocated to the VM.
 460  */
 461
 462 void exit_handler(void)
 463 {
 464         /********************* Print debug tables ************************/
 465
 466         if (showmethods) class_showmethods (topclass);
 467         if (showconstantpool)  class_showconstantpool (topclass);
 468         if (showutf)           utf_show ();
 469
 470 #ifdef USE_THREADS
 471         clear_thread_flags();           /* restores standard file descriptor
 472                                                                    flags */
 473 #endif
 474
 475         /************************ Free all resources *******************/
 476
 477         heap_close ();                          /* must be called before compiler_close and
 478                                                                    loader_close because finalization occurs
 479                                                                    here */
 480
 481 #ifdef OLD_COMPILER
 482         compiler_close ();
 483 #endif
 484         loader_close ();
 485         tables_close ( literalstring_free );
 486
 487         if (verbose || getcompilingtime || statistics) {
 488                 log_text ("CACAO terminated");
 489                 if (statistics)
 490                         print_stats ();
 491                 if (getcompilingtime)
 492                         print_times ();
 493                 mem_usagelog(1);
 494         }
 495 }
 496
 497 /************************** Function: main *******************************
 498
 499    The main program.
 500
 501 **************************************************************************/
 502
 503 int main(int argc, char **argv)
 504 {
 505         s4 i,j;
 506         char *cp;
 507         java_objectheader *local_exceptionptr = 0;
 508         void *dummy;
 509
 510         /********** interne (nur fuer main relevante Optionen) **************/
 511
 512         char logfilename[200] = "";
 513         u4 heapsize = 64000000;
 514         u4 heapstartsize = 200000;
 515         char classpath[500] = ".:/usr/local/lib/java/classes";
 516         bool startit = true;
 517         char *specificmethodname = NULL;
 518         char *specificsignature = NULL;
 519
 520 #ifndef USE_THREADS
 521         stackbottom = &dummy;
 522 #endif
 523
 524         if (0 != atexit(exit_handler))
 525                 panic("unable to register exit_handler");
 526
 527         /************ Collect info from the environment ************************/
 528
 529         cp = getenv ("CLASSPATH");
 530         if (cp) {
 531                 strcpy (classpath, cp);
 532         }
 533
 534         /***************** Interpret the command line *****************/
 535
 536         checknull = false;
 537         checkfloats = false;
 538
 539         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 540
 541                 switch (i) {
 542                 case OPT_IGNORE: break;
 543
 544                 case OPT_CLASSPATH:
 545                         strcpy (classpath + strlen(classpath), ":");
 546                         strcpy (classpath + strlen(classpath), opt_arg);
 547                         break;
 548
 549                 case OPT_D:
 550                         {
 551                                 int n,l=strlen(opt_arg);
 552                                 for (n=0; n<l; n++) {
 553                                         if (opt_arg[n]=='=') {
 554                                                 opt_arg[n] = '\0';
 555                                                 attach_property (opt_arg, opt_arg+n+1);
 556                                                 goto didit;
 557                                         }
 558                                 }
 559                                 print_usage();
 560                                 exit(10);
 561
 562                         didit: ;
 563                         }
 564                 break;
 565
 566                 case OPT_MS:
 567                 case OPT_MX:
 568                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 569                                 j = 1024 * atoi(opt_arg);
 570                         }
 571                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 572                                 j = 1024 * 1024 * atoi(opt_arg);
 573                         }
 574                         else j = atoi(opt_arg);
 575
 576                         if (i==OPT_MX) heapsize = j;
 577                         else heapstartsize = j;
 578                         break;
 579
 580                 case OPT_VERBOSE1:
 581                         verbose = true;
 582                         break;
 583
 584                 case OPT_VERBOSE:
 585                         verbose = true;
 586                         loadverbose = true;
 587                         initverbose = true;
 588                         compileverbose = true;
 589                         break;
 590
 591                 case OPT_VERBOSEGC:
 592                         collectverbose = true;
 593                         break;
 594
 595                 case OPT_VERBOSECALL:
 596                         runverbose = true;
 597                         break;
 598
 599                 case OPT_IEEE:
 600                         checkfloats = true;
 601                         break;
 602
 603                 case OPT_SOFTNULL:
 604                         checknull = true;
 605                         break;
 606
 607                 case OPT_TIME:
 608                         getcompilingtime = true;
 609                         getloadingtime = true;
 610                         break;
 611
 612                 case OPT_STAT:
 613                         statistics = true;
 614                         break;
 615
 616                 case OPT_LOG:
 617                         strcpy (logfilename, opt_arg);
 618                         break;
 619
 620
 621                 case OPT_CHECK:
 622                         for (j=0; j<strlen(opt_arg); j++) {
 623                                 switch (opt_arg[j]) {
 624                                 case 'b': checkbounds=false; break;
 625                                 case 's': checksync=false; break;
 626                                 default:  print_usage();
 627                                         exit(10);
 628                                 }
 629                         }
 630                         break;
 631
 632                 case OPT_LOAD:
 633                         startit = false;
 634                         makeinitializations = false;
 635                         break;
 636
 637                 case OPT_METHOD:
 638                         startit = false;
 639                         specificmethodname = opt_arg;
 640                         makeinitializations = false;
 641                         break;
 642
 643                 case OPT_SIGNATURE:
 644                         specificsignature = opt_arg;
 645                         break;
 646
 647                 case OPT_ALL:
 648                         compileall = true;
 649                         startit = false;
 650                         makeinitializations = false;
 651                         break;
 652
 653 #ifdef OLD_COMPILER
 654                 case OPT_OLD:
 655                         newcompiler = false;
 656                         checknull = true;
 657                         break;
 658 #endif
 659
 660 #ifdef NEW_GC
 661                 case OPT_GC2:
 662                         new_gc = true;
 663                         break;
 664
 665                 case OPT_GC1:
 666                         new_gc = false;
 667                         break;
 668 #endif
 669
 670                 case OPT_SHOW:       /* Display options */
 671                         for (j=0; j<strlen(opt_arg); j++) {
 672                                 switch (opt_arg[j]) {
 673                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 674                                 case 'c':  showconstantpool=true; break;
 675                                 case 'd':  showddatasegment=true; break;
 676                                 case 'i':  showintermediate=true; compileverbose=true; break;
 677                                 case 'm':  showmethods=true; break;
 678 #ifdef OLD_COMPILER
 679                                 case 's':  showstack=true; compileverbose=true; break;
 680 #endif
 681                                 case 'u':  showutf=true; break;
 682                                 default:   print_usage();
 683                                         exit(10);
 684                                 }
 685                         }
 686                         break;
 687
 688                 case OPT_OLOOP:
 689                         opt_loops = true;
 690                         break;
 691
 692                 default:
 693                         print_usage();
 694                         exit(10);
 695                 }
 696
 697
 698         }
 699
 700
 701         if (opt_ind >= argc) {
 702                 print_usage ();
 703                 exit(10);
 704         }
 705
 706
 707         /**************************** Program start *****************************/
 708
 709         log_init (logfilename);
 710         if (verbose) {
 711                 log_text (
 712                                   "CACAO started -------------------------------------------------------");
 713         }
 714
 715         suck_init (classpath);
 716         native_setclasspath (classpath);
 717
 718         tables_init();
 719         heap_init(heapsize, heapstartsize, &dummy);
 720 #ifdef OLD_COMPILER
 721         compiler_init();
 722 #endif
 723         jit_init();
 724         loader_init();
 725
 726         native_loadclasses ();
 727
 728
 729         /*********************** Load JAVA classes  ***************************/
 730
 731         cp = argv[opt_ind++];
 732         for (i=strlen(cp)-1; i>=0; i--) {     /* Transform dots into slashes */
 733                 if (cp[i]=='.') cp[i]='/';        /* in the class name */
 734         }
 735
 736         topclass = loader_load ( utf_new_char (cp) );
 737
 738         if (exceptionptr != 0)
 739         {
 740                 printf ("#### Class loader has thrown: ");
 741                 utf_display (exceptionptr->vftbl->class->name);
 742                 printf ("\n");
 743
 744                 exceptionptr = 0;
 745         }
 746
 747         if (topclass == 0)
 748         {
 749                 printf("#### Could not find top class - exiting\n");
 750                 exit(1);
 751         }
 752
 753         gc_init();
 754
 755 #ifdef USE_THREADS
 756         initThreads((u1*)&dummy);                   /* schani */
 757 #endif
 758
 759         /************************* Start worker routines ********************/
 760
 761         if (startit) {
 762                 methodinfo *mainmethod;
 763                 java_objectarray *a;
 764
 765                 heap_addreference((void**) &a);
 766
 767                 mainmethod = class_findmethod (
 768                                                                            topclass,
 769                                                                            utf_new_char ("main"),
 770                                                                            utf_new_char ("([Ljava/lang/String;)V")
 771                                                                            );
 772                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 773                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 774
 775                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 776                 for (i=opt_ind; i<argc; i++) {
 777                         a->data[i-opt_ind] = javastring_new (utf_new_char (argv[i]) );
 778                 }
 779                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 780
 781                 if (local_exceptionptr) {
 782                         printf ("#### Program has thrown: ");
 783                         utf_display (local_exceptionptr->vftbl->class->name);
 784                         printf ("\n");
 785                 }
 786
 787 #ifdef USE_THREADS
 788                 killThread(currentThread);
 789 #endif
 790                 fprintf(stderr, "still here\n");
 791         }
 792
 793         /************* If requested, compile all methods ********************/
 794
 795         if (compileall) {
 796                 class_compile_methods();
 797         }
 798
 799
 800         /******** If requested, compile a specific method ***************/
 801
 802         if (specificmethodname) {
 803                 methodinfo *m;
 804                 if (specificsignature)
 805                         m = class_findmethod(topclass,
 806                                                                  utf_new_char(specificmethodname),
 807                                                                  utf_new_char(specificsignature));
 808                 else
 809                         m = class_findmethod(topclass,
 810                                                                  utf_new_char(specificmethodname), NULL);
 811                 if (!m) panic ("Specific method not found");
 812 #ifdef OLD_COMPILER
 813                 if (newcompiler)
 814 #endif
 815                         (void) jit_compile(m);
 816 #ifdef OLD_COMPILER
 817                 else
 818                         (void) compiler_compile(m);
 819 #endif
 820         }
 821
 822         exit(0);
 823 }
 824
 825
 826
 827 /************************************ Shutdown function *********************************
 828
 829         Terminates the system immediately without freeing memory explicitly (to be
 830         used only for abnormal termination)
 831
 832 *****************************************************************************************/
 833
 834 void cacao_shutdown(s4 status)
 835 {
 836         if (verbose || getcompilingtime || statistics) {
 837                 log_text ("CACAO terminated by shutdown");
 838                 if (statistics)
 839                         print_stats ();
 840                 if (getcompilingtime)
 841                         print_times ();
 842                 mem_usagelog(0);
 843                 sprintf (logtext, "Exit status: %d\n", (int) status);
 844                 dolog();
 845                 }
 846
 847         exit(status);
 848 }
 849
 850
 851 /*
 852  * These are local overrides for various environment variables in Emacs.
 853  * Please do not remove this and leave it at the end of the file, where
 854  * Emacs will automagically detect them.
 855  * ---------------------------------------------------------------------
 856  * Local variables:
 857  * mode: c
 858  * indent-tabs-mode: t
 859  * c-basic-offset: 4
 860  * tab-width: 4
 861  * End:
 862  */