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 483 2003-10-14 17:08:38Z twisti $
  20
  21 *******************************************************************************/
  22
  23 #include "global.h"
  24
  25 #include "tables.h"
  26 #include "loader.h"
  27 #include "jit.h"
  28
  29 #include "asmpart.h"
  30 #include "builtin.h"
  31 #include "native.h"
  32
  33 #include "threads/thread.h"
  34
  35 bool compileall = false;
  36 bool verbose =  false;
  37 #ifdef NEW_GC
  38 bool new_gc = false;
  39 #endif
  40
  41 static bool showmethods = false;
  42 static bool showconstantpool = false;
  43 static bool showutf = false;
  44 static classinfo *topclass;
  45
  46 #ifndef USE_THREADS
  47 void **stackbottom = 0;
  48 #endif
  49
  50
  51 /* internal function: get_opt *************************************************
  52
  53         decodes the next command line option
  54
  55 ******************************************************************************/
  56
  57 #define OPT_DONE  -1
  58 #define OPT_ERROR  0
  59 #define OPT_IGNORE 1
  60
  61 #define OPT_CLASSPATH   2
  62 #define OPT_D           3
  63 #define OPT_MS          4
  64 #define OPT_MX          5
  65 #define OPT_VERBOSE1    6
  66 #define OPT_VERBOSE     7
  67 #define OPT_VERBOSEGC   8
  68 #define OPT_VERBOSECALL 9
  69 #define OPT_IEEE        10
  70 #define OPT_SOFTNULL    11
  71 #define OPT_TIME        12
  72 #define OPT_STAT        13
  73 #define OPT_LOG         14
  74 #define OPT_CHECK       15
  75 #define OPT_LOAD        16
  76 #define OPT_METHOD      17
  77 #define OPT_SIGNATURE   18
  78 #define OPT_SHOW        19
  79 #define OPT_ALL         20
  80 #ifdef NEW_GC
  81 #define OPT_GC1         22
  82 #define OPT_GC2         23
  83 #endif
  84 #define OPT_OLOOP       24
  85 #define OPT_INLINING    25
  86 #define OPT_RT          26
  87 #define OPT_XTA         27
  88 #define OPT_VTA         28
  89
  90
  91 struct {char *name; bool arg; int value;} opts[] = {
  92         {"classpath",   true,   OPT_CLASSPATH},
  93         {"D",           true,   OPT_D},
  94         {"ms",          true,   OPT_MS},
  95         {"mx",          true,   OPT_MX},
  96         {"noasyncgc",   false,  OPT_IGNORE},
  97         {"noverify",    false,  OPT_IGNORE},
  98         {"oss",         true,   OPT_IGNORE},
  99         {"ss",          true,   OPT_IGNORE},
 100         {"v",           false,  OPT_VERBOSE1},
 101         {"verbose",     false,  OPT_VERBOSE},
 102         {"verbosegc",   false,  OPT_VERBOSEGC},
 103         {"verbosecall", false,  OPT_VERBOSECALL},
 104         {"ieee",        false,  OPT_IEEE},
 105         {"softnull",    false,  OPT_SOFTNULL},
 106         {"time",        false,  OPT_TIME},
 107         {"stat",        false,  OPT_STAT},
 108         {"log",         true,   OPT_LOG},
 109         {"c",           true,   OPT_CHECK},
 110         {"l",           false,  OPT_LOAD},
 111         {"m",           true,   OPT_METHOD},
 112         {"sig",         true,   OPT_SIGNATURE},
 113         {"s",           true,   OPT_SHOW},
 114         {"all",         false,  OPT_ALL},
 115 #ifdef NEW_GC
 116         {"gc1",         false,  OPT_GC1},
 117         {"gc2",         false,  OPT_GC2},
 118 #endif
 119         {"oloop",       false,  OPT_OLOOP},
 120         {"i",               true,  OPT_INLINING},
 121         {"rt",          false,  OPT_RT},
 122         {"xta",         false,  OPT_XTA},
 123         {"vta",         false,  OPT_VTA},
 124         {NULL,  false, 0}
 125 };
 126
 127 static int opt_ind = 1;
 128 static char *opt_arg;
 129
 130 static int get_opt (int argc, char **argv)
 131 {
 132         char *a;
 133         int i;
 134
 135         if (opt_ind >= argc) return OPT_DONE;
 136
 137         a = argv[opt_ind];
 138         if (a[0] != '-') return OPT_DONE;
 139
 140         for (i=0; opts[i].name; i++) {
 141                 if (! opts[i].arg) {
 142                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 143                                 opt_ind++;
 144                                 return opts[i].value;
 145                         }
 146                 }
 147                 else {
 148                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 149                                 opt_ind++;
 150                                 if (opt_ind < argc) {
 151                                         opt_arg = argv[opt_ind];
 152                                         opt_ind++;
 153                                         return opts[i].value;
 154                                 }
 155                                 return OPT_ERROR;
 156                         }
 157                         else {
 158                                 size_t l = strlen(opts[i].name);
 159                                 if (strlen(a+1) > l) {
 160                                         if (memcmp (a+1, opts[i].name, l)==0) {
 161                                                 opt_ind++;
 162                                                 opt_arg = a+1+l;
 163                                                 return opts[i].value;
 164                                         }
 165                                 }
 166                         }
 167                 }
 168         } /* end for */
 169
 170         return OPT_ERROR;
 171 }
 172
 173
 174
 175
 176 /******************** interne Function: print_usage ************************
 177
 178 Prints the correct usage syntax to stdout.
 179
 180 ***************************************************************************/
 181
 182 static void print_usage()
 183 {
 184         printf ("USAGE: cacao [options] classname [program arguments]\n");
 185         printf ("Options:\n");
 186         printf ("          -classpath path ...... specify a path to look for classes\n");
 187         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 188         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 189         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 190         printf ("          -v ................... write state-information\n");
 191         printf ("          -verbose ............. write more information\n");
 192         printf ("          -verbosegc ........... write message for each GC\n");
 193         printf ("          -verbosecall ......... write message for each call\n");
 194         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 195         printf ("          -softnull ............ use software nullpointer check\n");
 196         printf ("          -time ................ measure the runtime\n");
 197         printf ("          -stat ................ detailed compiler statistics\n");
 198         printf ("          -log logfile ......... specify a name for the logfile\n");
 199         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 200         printf ("                  s(ync) ....... don't check for synchronization\n");
 201         printf ("          -oloop ............... optimize array accesses in loops\n");
 202         printf ("          -l ................... don't start the class after loading\n");
 203         printf ("          -all ................. compile all methods, no execution\n");
 204 #ifdef NEW_GC
 205         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 206         printf ("          -gc2 ................. use the new garbage collector\n");
 207 #endif
 208         printf ("          -m ................... compile only a specific method\n");
 209         printf ("          -sig ................. specify signature for a specific method\n");
 210         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 211         printf ("                 c(onstants) ... show the constant pool\n");
 212         printf ("                 d(atasegment).. show data segment listing\n");
 213         printf ("                 i(ntermediate). show intermediate representation\n");
 214         printf ("                 m(ethods)...... show class fields and methods\n");
 215         printf ("                 u(tf) ......... show the utf - hash\n");
 216         printf ("          -i     n ............. activate inlining\n");
 217         printf ("                 v ............. inline virtual methods\n");
 218         printf ("                 e ............. inline methods with exceptions\n");
 219         printf ("                 p ............. optimize argument renaming\n");
 220         printf ("                 o ............. inline methods of foreign classes\n");
 221         printf ("          -rt .................. use rapid type analysis\n");
 222         printf ("          -xta ................. use x type analysis\n");
 223         printf ("          -vta ................. use variable type analysis\n");
 224 }
 225
 226
 227
 228 /***************************** Function: print_times *********************
 229
 230         Prints a summary of CPU time usage.
 231
 232 **************************************************************************/
 233
 234 static void print_times()
 235 {
 236         long int totaltime = getcputime();
 237         long int runtime = totaltime - loadingtime - compilingtime;
 238
 239         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 240              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 241         dolog();
 242         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 243              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 244         dolog();
 245         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 246              runtime / 1000000, (runtime % 1000000) / 1000);
 247         dolog();
 248         sprintf (logtext, "Total time: %ld secs, %ld millis",
 249              totaltime / 1000000, (totaltime % 1000000) / 1000);
 250         dolog();
 251 }
 252
 253
 254
 255
 256
 257
 258 /***************************** Function: print_stats *********************
 259
 260         outputs detailed compiler statistics
 261
 262 **************************************************************************/
 263
 264 static void print_stats()
 265 {
 266         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 267         dolog();
 268         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 269         dolog();
 270         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 271         dolog();
 272         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 273         dolog();
 274         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 275         dolog();
 276         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 277         dolog();
 278         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 279                                                       count_javacodesize - count_methods * 18);
 280         dolog();
 281         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 282         dolog();
 283         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 284         dolog();
 285         sprintf (logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 286         dolog();
 287         sprintf (logtext, "Number of Spills: %d", count_spills);
 288         dolog();
 289         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 290         dolog();
 291         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 292         dolog();
 293         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 294         dolog();
 295         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 296         dolog();
 297         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 298         dolog();
 299         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 300         dolog();
 301         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 302         dolog();
 303         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 304         dolog();
 305         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 306         dolog();
 307         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 308         dolog();
 309         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 310         dolog();
 311         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 312                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 313         dolog();
 314         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 315         dolog();
 316         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 317                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 318         dolog();
 319         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 320         dolog();
 321         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 322         dolog();
 323         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 324         dolog();
 325         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 326         dolog();
 327         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 328         dolog();
 329         sprintf (logtext, "Distribution of stack sizes at block boundary");
 330         dolog();
 331         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 332         dolog();
 333         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 334                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 335                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 336                 count_block_stack[9],count_block_stack[10]);
 337         dolog();
 338         sprintf (logtext, "Distribution of store stack depth");
 339         dolog();
 340         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 341         dolog();
 342         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 343                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 344                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 345                 count_store_depth[9],count_store_depth[10]);
 346         dolog();
 347         sprintf (logtext, "Distribution of store creator chains first part");
 348         dolog();
 349         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 350         dolog();
 351         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 352                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 353                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 354                 count_store_length[9]);
 355         dolog();
 356         sprintf (logtext, "Distribution of store creator chains second part");
 357         dolog();
 358         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 359         dolog();
 360         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 361                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 362                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 363                 count_store_length[19],count_store_length[20]);
 364         dolog();
 365         sprintf (logtext, "Distribution of analysis iterations");
 366         dolog();
 367         sprintf (logtext, "    1    2    3    4    >=5");
 368         dolog();
 369         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 370                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 371         dolog();
 372         sprintf (logtext, "Distribution of basic blocks per method");
 373         dolog();
 374         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 375         dolog();
 376         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 377                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 378                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 379                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 380         dolog();
 381         sprintf (logtext, "Distribution of basic block sizes");
 382         dolog();
 383         sprintf (logtext,
 384         "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 385         dolog();
 386         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 387                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 388                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 389                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 390                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 391                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 392                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 393         dolog();
 394         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 395         dolog();
 396         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 397         dolog();
 398         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 399         dolog();
 400         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 401         dolog();
 402         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 403         dolog();
 404         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 405         dolog();
 406         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 407         dolog();
 408         sprintf (logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 409         dolog();
 410         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 411                                                       count_vmcode_len - 18 * count_all_methods);
 412         dolog();
 413         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 414         dolog();
 415         sprintf (logtext, "Number of class loads:   %d", count_class_loads);
 416         dolog();
 417         sprintf (logtext, "Number of class inits:   %d", count_class_inits);
 418         dolog();
 419         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 420         dolog();
 421
 422         sprintf (logtext, "Calls of utf_new: %22d", count_utf_new);
 423         dolog();
 424         sprintf (logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 425         dolog();
 426 }
 427
 428
 429 /********** Function: class_compile_methods   (debugging only) ********/
 430
 431 void class_compile_methods ()
 432 {
 433         int        i;
 434         classinfo  *c;
 435         methodinfo *m;
 436
 437         c = list_first (&linkedclasses);
 438         while (c) {
 439                 for (i = 0; i < c -> methodscount; i++) {
 440                         m = &(c->methods[i]);
 441                         if (m->jcode) {
 442                                 (void) jit_compile(m);
 443                                 }
 444                         }
 445                 c = list_next (&linkedclasses, c);
 446                 }
 447 }
 448
 449 /*
 450  * void exit_handler(void)
 451  * -----------------------
 452  * The exit_handler function is called upon program termination to shutdown
 453  * the various subsystems and release the resources allocated to the VM.
 454  */
 455
 456 void exit_handler(void)
 457 {
 458         /********************* Print debug tables ************************/
 459
 460         if (showmethods) class_showmethods (topclass);
 461         if (showconstantpool)  class_showconstantpool (topclass);
 462         if (showutf)           utf_show ();
 463
 464 #ifdef USE_THREADS
 465         clear_thread_flags();           /* restores standard file descriptor
 466                                                                    flags */
 467 #endif
 468
 469         /************************ Free all resources *******************/
 470
 471         heap_close ();                          /* must be called before compiler_close and
 472                                                                    loader_close because finalization occurs
 473                                                                    here */
 474
 475         loader_close ();
 476         tables_close ( literalstring_free );
 477
 478         if (verbose || getcompilingtime || statistics) {
 479                 log_text ("CACAO terminated");
 480                 if (statistics)
 481                         print_stats ();
 482                 if (getcompilingtime)
 483                         print_times ();
 484                 mem_usagelog(1);
 485         }
 486 }
 487
 488 /************************** Function: main *******************************
 489
 490    The main program.
 491
 492 **************************************************************************/
 493
 494 int main(int argc, char **argv)
 495 {
 496         s4 i,j;
 497         char *cp;
 498         java_objectheader *local_exceptionptr = 0;
 499         void *dummy;
 500
 501         /********** interne (nur fuer main relevante Optionen) **************/
 502
 503         char logfilename[200] = "";
 504         u4 heapsize = 64000000;
 505         u4 heapstartsize = 200000;
 506         char classpath[500] = ".:/usr/local/lib/java/classes";
 507         bool startit = true;
 508         char *specificmethodname = NULL;
 509         char *specificsignature = NULL;
 510
 511 #ifndef USE_THREADS
 512         stackbottom = &dummy;
 513 #endif
 514
 515         if (0 != atexit(exit_handler))
 516                 panic("unable to register exit_handler");
 517
 518         /************ Collect info from the environment ************************/
 519
 520         cp = getenv ("CLASSPATH");
 521         if (cp) {
 522                 strcpy (classpath, cp);
 523         }
 524
 525         /***************** Interpret the command line *****************/
 526
 527         checknull = false;
 528         checkfloats = false;
 529
 530         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 531
 532                 switch (i) {
 533                 case OPT_IGNORE: break;
 534
 535                 case OPT_CLASSPATH:
 536                         strcpy (classpath + strlen(classpath), ":");
 537                         strcpy (classpath + strlen(classpath), opt_arg);
 538                         break;
 539
 540                 case OPT_D:
 541                         {
 542                                 int n,l=strlen(opt_arg);
 543                                 for (n=0; n<l; n++) {
 544                                         if (opt_arg[n]=='=') {
 545                                                 opt_arg[n] = '\0';
 546                                                 attach_property (opt_arg, opt_arg+n+1);
 547                                                 goto didit;
 548                                         }
 549                                 }
 550                                 print_usage();
 551                                 exit(10);
 552
 553                         didit: ;
 554                         }
 555                 break;
 556
 557                 case OPT_MS:
 558                 case OPT_MX:
 559                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 560                                 j = 1024 * atoi(opt_arg);
 561                         }
 562                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 563                                 j = 1024 * 1024 * atoi(opt_arg);
 564                         }
 565                         else j = atoi(opt_arg);
 566
 567                         if (i==OPT_MX) heapsize = j;
 568                         else heapstartsize = j;
 569                         break;
 570
 571                 case OPT_VERBOSE1:
 572                         verbose = true;
 573                         break;
 574
 575                 case OPT_VERBOSE:
 576                         verbose = true;
 577                         loadverbose = true;
 578                         initverbose = true;
 579                         compileverbose = true;
 580                         break;
 581
 582                 case OPT_VERBOSEGC:
 583                         collectverbose = true;
 584                         break;
 585
 586                 case OPT_VERBOSECALL:
 587                         runverbose = true;
 588                         break;
 589
 590                 case OPT_IEEE:
 591                         checkfloats = true;
 592                         break;
 593
 594                 case OPT_SOFTNULL:
 595                         checknull = true;
 596                         break;
 597
 598                 case OPT_TIME:
 599                         getcompilingtime = true;
 600                         getloadingtime = true;
 601                         break;
 602
 603                 case OPT_STAT:
 604                         statistics = true;
 605                         break;
 606
 607                 case OPT_LOG:
 608                         strcpy (logfilename, opt_arg);
 609                         break;
 610
 611
 612                 case OPT_CHECK:
 613                         for (j=0; j<strlen(opt_arg); j++) {
 614                                 switch (opt_arg[j]) {
 615                                 case 'b': checkbounds=false; break;
 616                                 case 's': checksync=false; break;
 617                                 default:  print_usage();
 618                                         exit(10);
 619                                 }
 620                         }
 621                         break;
 622
 623                 case OPT_LOAD:
 624                         startit = false;
 625                         makeinitializations = false;
 626                         break;
 627
 628                 case OPT_METHOD:
 629                         startit = false;
 630                         specificmethodname = opt_arg;
 631                         makeinitializations = false;
 632                         break;
 633
 634                 case OPT_SIGNATURE:
 635                         specificsignature = opt_arg;
 636                         break;
 637
 638                 case OPT_ALL:
 639                         compileall = true;
 640                         startit = false;
 641                         makeinitializations = false;
 642                         break;
 643
 644 #ifdef NEW_GC
 645                 case OPT_GC2:
 646                         new_gc = true;
 647                         break;
 648
 649                 case OPT_GC1:
 650                         new_gc = false;
 651                         break;
 652 #endif
 653
 654                 case OPT_SHOW:       /* Display options */
 655                         for (j=0; j<strlen(opt_arg); j++) {
 656                                 switch (opt_arg[j]) {
 657                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 658                                 case 'c':  showconstantpool=true; break;
 659                                 case 'd':  showddatasegment=true; break;
 660                                 case 'i':  showintermediate=true; compileverbose=true; break;
 661                                 case 'm':  showmethods=true; break;
 662                                 case 'u':  showutf=true; break;
 663                                 default:   print_usage();
 664                                         exit(10);
 665                                 }
 666                         }
 667                         break;
 668
 669                 case OPT_OLOOP:
 670                         opt_loops = true;
 671                         break;
 672
 673
 674                 case OPT_INLINING:
 675                         for (j=0; j<strlen(opt_arg); j++) {
 676                                 switch (opt_arg[j]) {
 677                                 case 'n':  useinlining = true; break;
 678                                 case 'v':  inlinevirtuals = true; break;
 679                                 case 'e':  inlineexceptions = true; break;
 680                                 case 'p':  inlineparamopt = true; break;
 681                                 case 'o':  inlineoutsiders = true; break;
 682                                 default:   print_usage();
 683                                         exit(10);
 684                                 }
 685                         }
 686                         break;
 687
 688
 689                case OPT_RT:
 690                         opt_rt = true;
 691                         break;
 692
 693                case OPT_XTA:
 694                         /***opt_xta = true; not yet **/
 695                         break;
 696
 697                case OPT_VTA:
 698                         /***opt_vta = true; not yet **/
 699                         break;
 700
 701                 default:
 702                         print_usage();
 703                         exit(10);
 704                 }
 705
 706
 707         }
 708
 709
 710         if (opt_ind >= argc) {
 711                 print_usage ();
 712                 exit(10);
 713         }
 714
 715
 716         /**************************** Program start *****************************/
 717
 718         log_init (logfilename);
 719         if (verbose) {
 720                 log_text (
 721                                   "CACAO started -------------------------------------------------------");
 722         }
 723
 724         suck_init (classpath);
 725         native_setclasspath (classpath);
 726
 727         tables_init();
 728         heap_init(heapsize, heapstartsize, &dummy);
 729         jit_init();
 730         loader_init();
 731
 732         native_loadclasses ();
 733
 734
 735         /*********************** Load JAVA classes  ***************************/
 736
 737         cp = argv[opt_ind++];
 738         for (i=strlen(cp)-1; i>=0; i--) {     /* Transform dots into slashes */
 739                 if (cp[i]=='.') cp[i]='/';        /* in the class name */
 740         }
 741
 742         topclass = loader_load ( utf_new_char (cp) );
 743
 744         if (exceptionptr != 0)
 745         {
 746                 printf ("#### Class loader has thrown: ");
 747                 utf_display (exceptionptr->vftbl->class->name);
 748                 printf ("\n");
 749
 750                 exceptionptr = 0;
 751         }
 752
 753         if (topclass == 0)
 754         {
 755                 printf("#### Could not find top class - exiting\n");
 756                 exit(1);
 757         }
 758
 759         gc_init();
 760
 761 #ifdef USE_THREADS
 762         initThreads((u1*)&dummy);                   /* schani */
 763 #endif
 764
 765         /************************* Start worker routines ********************/
 766
 767         if (startit) {
 768                 methodinfo *mainmethod;
 769                 java_objectarray *a;
 770
 771                 heap_addreference((void**) &a);
 772
 773                 mainmethod = class_findmethod (
 774                                                                            topclass,
 775                                                                            utf_new_char ("main"),
 776                                                                            utf_new_char ("([Ljava/lang/String;)V")
 777                                                                            );
 778                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 779                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 780
 781                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 782                 for (i=opt_ind; i<argc; i++) {
 783                         a->data[i-opt_ind] = javastring_new (utf_new_char (argv[i]) );
 784                 }
 785                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 786
 787                 if (local_exceptionptr) {
 788                         printf ("#### Program has thrown: ");
 789                         utf_display (local_exceptionptr->vftbl->class->name);
 790                         printf ("\n");
 791                 }
 792                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 793                                         /*RTAprint*/    printCallgraph (); }
 794
 795                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 796                                         /*RTprint*/     printf("Last RTA Info -");
 797                                         /*RTprint*/     printRThierarchyInfo(mainmethod);
 798                                         /*RTprint*/     }
 799                                         /*RTprint*/     printObjectClassHeirarchy1( );
 800
 801
 802 #ifdef USE_THREADS
 803                 killThread(currentThread);
 804 #endif
 805                 fprintf(stderr, "still here\n");
 806         }
 807
 808         /************* If requested, compile all methods ********************/
 809
 810         if (compileall) {
 811                 class_compile_methods();
 812         }
 813
 814
 815         /******** If requested, compile a specific method ***************/
 816
 817         if (specificmethodname) {
 818                 methodinfo *m;
 819                 if (specificsignature)
 820                         m = class_findmethod(topclass,
 821                                                                  utf_new_char(specificmethodname),
 822                                                                  utf_new_char(specificsignature));
 823                 else
 824                         m = class_findmethod(topclass,
 825                                                                  utf_new_char(specificmethodname), NULL);
 826                 if (!m) panic ("Specific method not found");
 827                         (void) jit_compile(m);
 828         }
 829
 830         exit(0);
 831 }
 832
 833
 834
 835 /************************************ Shutdown function *********************************
 836
 837         Terminates the system immediately without freeing memory explicitly (to be
 838         used only for abnormal termination)
 839
 840 *****************************************************************************************/
 841
 842 void cacao_shutdown(s4 status)
 843 {
 844                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 845                                         /*RTAprint*/    printCallgraph (NULL); }
 846
 847                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 848                                         /*RTprint*/     printf("RTA Information -");
 849                                         /*RTprint*/     printRThierarchyInfo(NULL); }
 850
 851         if (verbose || getcompilingtime || statistics) {
 852                 log_text ("CACAO terminated by shutdown");
 853                 if (statistics)
 854                         print_stats ();
 855                 if (getcompilingtime)
 856                         print_times ();
 857                 mem_usagelog(0);
 858                 sprintf (logtext, "Exit status: %d\n", (int) status);
 859                 dolog();
 860                 }
 861
 862         exit(status);
 863 }
 864
 865
 866 /*
 867  * These are local overrides for various environment variables in Emacs.
 868  * Please do not remove this and leave it at the end of the file, where
 869  * Emacs will automagically detect them.
 870  * ---------------------------------------------------------------------
 871  * Local variables:
 872  * mode: c
 873  * indent-tabs-mode: t
 874  * c-basic-offset: 4
 875  * tab-width: 4
 876  * End:
 877  */