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 467 2003-09-26 01:55:25Z didi $
  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 #define OPT_INLINING    25
  93 #define OPT_RT          26
  94 #define OPT_XTA         27
  95
  96
  97 struct {char *name; bool arg; int value;} opts[] = {
  98         {"classpath",   true,   OPT_CLASSPATH},
  99         {"D",           true,   OPT_D},
 100         {"ms",          true,   OPT_MS},
 101         {"mx",          true,   OPT_MX},
 102         {"noasyncgc",   false,  OPT_IGNORE},
 103         {"noverify",    false,  OPT_IGNORE},
 104         {"oss",         true,   OPT_IGNORE},
 105         {"ss",          true,   OPT_IGNORE},
 106         {"v",           false,  OPT_VERBOSE1},
 107         {"verbose",     false,  OPT_VERBOSE},
 108         {"verbosegc",   false,  OPT_VERBOSEGC},
 109         {"verbosecall", false,  OPT_VERBOSECALL},
 110         {"ieee",        false,  OPT_IEEE},
 111         {"softnull",    false,  OPT_SOFTNULL},
 112         {"time",        false,  OPT_TIME},
 113         {"stat",        false,  OPT_STAT},
 114         {"log",         true,   OPT_LOG},
 115         {"c",           true,   OPT_CHECK},
 116         {"l",           false,  OPT_LOAD},
 117         {"m",           true,   OPT_METHOD},
 118         {"sig",         true,   OPT_SIGNATURE},
 119         {"s",           true,   OPT_SHOW},
 120         {"all",         false,  OPT_ALL},
 121 #ifdef OLD_COMPILER
 122         {"old",         false,  OPT_OLD},
 123 #endif
 124 #ifdef NEW_GC
 125         {"gc1",         false,  OPT_GC1},
 126         {"gc2",         false,  OPT_GC2},
 127 #endif
 128         {"oloop",       false,  OPT_OLOOP},
 129         {"i",               true,  OPT_INLINING},
 130         {"rt",          false,  OPT_RT},
 131         {"xta",         false,  OPT_XTA},
 132         {NULL,  false, 0}
 133 };
 134
 135 static int opt_ind = 1;
 136 static char *opt_arg;
 137
 138 static int get_opt (int argc, char **argv)
 139 {
 140         char *a;
 141         int i;
 142
 143         if (opt_ind >= argc) return OPT_DONE;
 144
 145         a = argv[opt_ind];
 146         if (a[0] != '-') return OPT_DONE;
 147
 148         for (i=0; opts[i].name; i++) {
 149                 if (! opts[i].arg) {
 150                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 151                                 opt_ind++;
 152                                 return opts[i].value;
 153                         }
 154                 }
 155                 else {
 156                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 157                                 opt_ind++;
 158                                 if (opt_ind < argc) {
 159                                         opt_arg = argv[opt_ind];
 160                                         opt_ind++;
 161                                         return opts[i].value;
 162                                 }
 163                                 return OPT_ERROR;
 164                         }
 165                         else {
 166                                 size_t l = strlen(opts[i].name);
 167                                 if (strlen(a+1) > l) {
 168                                         if (memcmp (a+1, opts[i].name, l)==0) {
 169                                                 opt_ind++;
 170                                                 opt_arg = a+1+l;
 171                                                 return opts[i].value;
 172                                         }
 173                                 }
 174                         }
 175                 }
 176         } /* end for */
 177
 178         return OPT_ERROR;
 179 }
 180
 181
 182
 183
 184 /******************** interne Function: print_usage ************************
 185
 186 Prints the correct usage syntax to stdout.
 187
 188 ***************************************************************************/
 189
 190 static void print_usage()
 191 {
 192         printf ("USAGE: cacao [options] classname [program arguments]\n");
 193         printf ("Options:\n");
 194         printf ("          -classpath path ...... specify a path to look for classes\n");
 195         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 196         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 197         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 198         printf ("          -v ................... write state-information\n");
 199         printf ("          -verbose ............. write more information\n");
 200         printf ("          -verbosegc ........... write message for each GC\n");
 201         printf ("          -verbosecall ......... write message for each call\n");
 202         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 203         printf ("          -softnull ............ use software nullpointer check\n");
 204         printf ("          -time ................ measure the runtime\n");
 205         printf ("          -stat ................ detailed compiler statistics\n");
 206         printf ("          -log logfile ......... specify a name for the logfile\n");
 207         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 208         printf ("                  s(ync) ....... don't check for synchronization\n");
 209         printf ("          -oloop ............... optimize array accesses in loops\n");
 210         printf ("          -l ................... don't start the class after loading\n");
 211         printf ("          -all ................. compile all methods, no execution\n");
 212 #ifdef OLD_COMPILER
 213         printf ("          -old ................. use old JIT compiler\n");
 214 #endif
 215 #ifdef NEW_GC
 216         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 217         printf ("          -gc2 ................. use the new garbage collector\n");
 218 #endif
 219         printf ("          -m ................... compile only a specific method\n");
 220         printf ("          -sig ................. specify signature for a specific method\n");
 221         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 222         printf ("                 c(onstants) ... show the constant pool\n");
 223         printf ("                 d(atasegment).. show data segment listing\n");
 224         printf ("                 i(ntermediate). show intermediate representation\n");
 225         printf ("                 m(ethods)...... show class fields and methods\n");
 226 #ifdef OLD_COMPILER
 227         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 228 #endif
 229         printf ("                 u(tf) ......... show the utf - hash\n");
 230         printf ("          -i     n ............. activate inlining\n");
 231         printf ("                 v ............. inline virtual methods\n");
 232         printf ("                 e ............. inline methods with exceptions\n");
 233         printf ("                 p ............. optimize argument renaming\n");
 234         printf ("                 o ............. inline methods of foreign classes\n");
 235         printf ("          -rt .................. use rapid type analysis\n");
 236         printf ("          -xta ................. use xta\n");
 237 }
 238
 239
 240
 241 /***************************** Function: print_times *********************
 242
 243         Prints a summary of CPU time usage.
 244
 245 **************************************************************************/
 246
 247 static void print_times()
 248 {
 249         long int totaltime = getcputime();
 250         long int runtime = totaltime - loadingtime - compilingtime;
 251
 252         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 253              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 254         dolog();
 255         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 256              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 257         dolog();
 258         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 259              runtime / 1000000, (runtime % 1000000) / 1000);
 260         dolog();
 261         sprintf (logtext, "Total time: %ld secs, %ld millis",
 262              totaltime / 1000000, (totaltime % 1000000) / 1000);
 263         dolog();
 264 }
 265
 266
 267
 268
 269
 270
 271 /***************************** Function: print_stats *********************
 272
 273         outputs detailed compiler statistics
 274
 275 **************************************************************************/
 276
 277 static void print_stats()
 278 {
 279         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 280         dolog();
 281         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 282         dolog();
 283         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 284         dolog();
 285         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 286         dolog();
 287         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 288         dolog();
 289         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 290         dolog();
 291         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 292                                                       count_javacodesize - count_methods * 18);
 293         dolog();
 294         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 295         dolog();
 296         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 297         dolog();
 298         sprintf (logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 299         dolog();
 300         sprintf (logtext, "Number of Spills: %d", count_spills);
 301         dolog();
 302         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 303         dolog();
 304         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 305         dolog();
 306         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 307         dolog();
 308         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 309         dolog();
 310         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 311         dolog();
 312         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 313         dolog();
 314         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 315         dolog();
 316         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 317         dolog();
 318         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 319         dolog();
 320         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 321         dolog();
 322         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 323         dolog();
 324         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 325                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 326         dolog();
 327         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 328         dolog();
 329         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 330                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 331         dolog();
 332         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 333         dolog();
 334         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 335         dolog();
 336         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 337         dolog();
 338         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 339         dolog();
 340         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 341         dolog();
 342         sprintf (logtext, "Distribution of stack sizes at block boundary");
 343         dolog();
 344         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 345         dolog();
 346         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 347                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 348                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 349                 count_block_stack[9],count_block_stack[10]);
 350         dolog();
 351         sprintf (logtext, "Distribution of store stack depth");
 352         dolog();
 353         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 354         dolog();
 355         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 356                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 357                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 358                 count_store_depth[9],count_store_depth[10]);
 359         dolog();
 360         sprintf (logtext, "Distribution of store creator chains first part");
 361         dolog();
 362         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 363         dolog();
 364         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 365                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 366                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 367                 count_store_length[9]);
 368         dolog();
 369         sprintf (logtext, "Distribution of store creator chains second part");
 370         dolog();
 371         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 372         dolog();
 373         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 374                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 375                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 376                 count_store_length[19],count_store_length[20]);
 377         dolog();
 378         sprintf (logtext, "Distribution of analysis iterations");
 379         dolog();
 380         sprintf (logtext, "    1    2    3    4    >=5");
 381         dolog();
 382         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 383                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 384         dolog();
 385         sprintf (logtext, "Distribution of basic blocks per method");
 386         dolog();
 387         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 388         dolog();
 389         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 390                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 391                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 392                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 393         dolog();
 394         sprintf (logtext, "Distribution of basic block sizes");
 395         dolog();
 396         sprintf (logtext,
 397         "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 398         dolog();
 399         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 400                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 401                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 402                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 403                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 404                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 405                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 406         dolog();
 407         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 408         dolog();
 409         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 410         dolog();
 411         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 412         dolog();
 413         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 414         dolog();
 415         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 416         dolog();
 417         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 418         dolog();
 419         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 420         dolog();
 421         sprintf (logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 422         dolog();
 423         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 424                                                       count_vmcode_len - 18 * count_all_methods);
 425         dolog();
 426         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 427         dolog();
 428         sprintf (logtext, "Number of class loads:   %d", count_class_loads);
 429         dolog();
 430         sprintf (logtext, "Number of class inits:   %d", count_class_inits);
 431         dolog();
 432         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 433         dolog();
 434
 435         sprintf (logtext, "Calls of utf_new: %22d", count_utf_new);
 436         dolog();
 437         sprintf (logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 438         dolog();
 439 }
 440
 441
 442 /********** Function: class_compile_methods   (debugging only) ********/
 443
 444 void class_compile_methods ()
 445 {
 446         int        i;
 447         classinfo  *c;
 448         methodinfo *m;
 449
 450         c = list_first (&linkedclasses);
 451         while (c) {
 452                 for (i = 0; i < c -> methodscount; i++) {
 453                         m = &(c->methods[i]);
 454                         if (m->jcode) {
 455 #ifdef OLD_COMPILER
 456                                 if (newcompiler)
 457 #endif
 458                                         (void) jit_compile(m);
 459 #ifdef OLD_COMPILER
 460                                 else
 461                                         (void) compiler_compile(m);
 462 #endif
 463                                 }
 464                         }
 465                 c = list_next (&linkedclasses, c);
 466                 }
 467 }
 468
 469 /*
 470  * void exit_handler(void)
 471  * -----------------------
 472  * The exit_handler function is called upon program termination to shutdown
 473  * the various subsystems and release the resources allocated to the VM.
 474  */
 475
 476 void exit_handler(void)
 477 {
 478         /********************* Print debug tables ************************/
 479
 480         if (showmethods) class_showmethods (topclass);
 481         if (showconstantpool)  class_showconstantpool (topclass);
 482         if (showutf)           utf_show ();
 483
 484 #ifdef USE_THREADS
 485         clear_thread_flags();           /* restores standard file descriptor
 486                                                                    flags */
 487 #endif
 488
 489         /************************ Free all resources *******************/
 490
 491         heap_close ();                          /* must be called before compiler_close and
 492                                                                    loader_close because finalization occurs
 493                                                                    here */
 494
 495 #ifdef OLD_COMPILER
 496         compiler_close ();
 497 #endif
 498         loader_close ();
 499         tables_close ( literalstring_free );
 500
 501         if (verbose || getcompilingtime || statistics) {
 502                 log_text ("CACAO terminated");
 503                 if (statistics)
 504                         print_stats ();
 505                 if (getcompilingtime)
 506                         print_times ();
 507                 mem_usagelog(1);
 508         }
 509 }
 510
 511 /************************** Function: main *******************************
 512
 513    The main program.
 514
 515 **************************************************************************/
 516
 517 int main(int argc, char **argv)
 518 {
 519         s4 i,j;
 520         char *cp;
 521         java_objectheader *local_exceptionptr = 0;
 522         void *dummy;
 523
 524         /********** interne (nur fuer main relevante Optionen) **************/
 525
 526         char logfilename[200] = "";
 527         u4 heapsize = 64000000;
 528         u4 heapstartsize = 200000;
 529         char classpath[500] = ".:/usr/local/lib/java/classes";
 530         bool startit = true;
 531         char *specificmethodname = NULL;
 532         char *specificsignature = NULL;
 533
 534 #ifndef USE_THREADS
 535         stackbottom = &dummy;
 536 #endif
 537
 538         if (0 != atexit(exit_handler))
 539                 panic("unable to register exit_handler");
 540
 541         /************ Collect info from the environment ************************/
 542
 543         cp = getenv ("CLASSPATH");
 544         if (cp) {
 545                 strcpy (classpath, cp);
 546         }
 547
 548         /***************** Interpret the command line *****************/
 549
 550         checknull = false;
 551         checkfloats = false;
 552
 553         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 554
 555                 switch (i) {
 556                 case OPT_IGNORE: break;
 557
 558                 case OPT_CLASSPATH:
 559                         strcpy (classpath + strlen(classpath), ":");
 560                         strcpy (classpath + strlen(classpath), opt_arg);
 561                         break;
 562
 563                 case OPT_D:
 564                         {
 565                                 int n,l=strlen(opt_arg);
 566                                 for (n=0; n<l; n++) {
 567                                         if (opt_arg[n]=='=') {
 568                                                 opt_arg[n] = '\0';
 569                                                 attach_property (opt_arg, opt_arg+n+1);
 570                                                 goto didit;
 571                                         }
 572                                 }
 573                                 print_usage();
 574                                 exit(10);
 575
 576                         didit: ;
 577                         }
 578                 break;
 579
 580                 case OPT_MS:
 581                 case OPT_MX:
 582                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 583                                 j = 1024 * atoi(opt_arg);
 584                         }
 585                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 586                                 j = 1024 * 1024 * atoi(opt_arg);
 587                         }
 588                         else j = atoi(opt_arg);
 589
 590                         if (i==OPT_MX) heapsize = j;
 591                         else heapstartsize = j;
 592                         break;
 593
 594                 case OPT_VERBOSE1:
 595                         verbose = true;
 596                         break;
 597
 598                 case OPT_VERBOSE:
 599                         verbose = true;
 600                         loadverbose = true;
 601                         initverbose = true;
 602                         compileverbose = true;
 603                         break;
 604
 605                 case OPT_VERBOSEGC:
 606                         collectverbose = true;
 607                         break;
 608
 609                 case OPT_VERBOSECALL:
 610                         runverbose = true;
 611                         break;
 612
 613                 case OPT_IEEE:
 614                         checkfloats = true;
 615                         break;
 616
 617                 case OPT_SOFTNULL:
 618                         checknull = true;
 619                         break;
 620
 621                 case OPT_TIME:
 622                         getcompilingtime = true;
 623                         getloadingtime = true;
 624                         break;
 625
 626                 case OPT_STAT:
 627                         statistics = true;
 628                         break;
 629
 630                 case OPT_LOG:
 631                         strcpy (logfilename, opt_arg);
 632                         break;
 633
 634
 635                 case OPT_CHECK:
 636                         for (j=0; j<strlen(opt_arg); j++) {
 637                                 switch (opt_arg[j]) {
 638                                 case 'b': checkbounds=false; break;
 639                                 case 's': checksync=false; break;
 640                                 default:  print_usage();
 641                                         exit(10);
 642                                 }
 643                         }
 644                         break;
 645
 646                 case OPT_LOAD:
 647                         startit = false;
 648                         makeinitializations = false;
 649                         break;
 650
 651                 case OPT_METHOD:
 652                         startit = false;
 653                         specificmethodname = opt_arg;
 654                         makeinitializations = false;
 655                         break;
 656
 657                 case OPT_SIGNATURE:
 658                         specificsignature = opt_arg;
 659                         break;
 660
 661                 case OPT_ALL:
 662                         compileall = true;
 663                         startit = false;
 664                         makeinitializations = false;
 665                         break;
 666
 667 #ifdef OLD_COMPILER
 668                 case OPT_OLD:
 669                         newcompiler = false;
 670                         checknull = true;
 671                         break;
 672 #endif
 673
 674 #ifdef NEW_GC
 675                 case OPT_GC2:
 676                         new_gc = true;
 677                         break;
 678
 679                 case OPT_GC1:
 680                         new_gc = false;
 681                         break;
 682 #endif
 683
 684                 case OPT_SHOW:       /* Display options */
 685                         for (j=0; j<strlen(opt_arg); j++) {
 686                                 switch (opt_arg[j]) {
 687                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 688                                 case 'c':  showconstantpool=true; break;
 689                                 case 'd':  showddatasegment=true; break;
 690                                 case 'i':  showintermediate=true; compileverbose=true; break;
 691                                 case 'm':  showmethods=true; break;
 692 #ifdef OLD_COMPILER
 693                                 case 's':  showstack=true; compileverbose=true; break;
 694 #endif
 695                                 case 'u':  showutf=true; break;
 696                                 default:   print_usage();
 697                                         exit(10);
 698                                 }
 699                         }
 700                         break;
 701
 702                 case OPT_OLOOP:
 703                         opt_loops = true;
 704                         break;
 705
 706
 707                 case OPT_INLINING:
 708                         for (j=0; j<strlen(opt_arg); j++) {
 709                                 switch (opt_arg[j]) {
 710                                 case 'n':  useinlining = true; break;
 711                                 case 'v':  inlinevirtuals = true; break;
 712                                 case 'e':  inlineexceptions = true; break;
 713                                 case 'p':  inlineparamopt = true; break;
 714                                 case 'o':  inlineoutsiders = true; break;
 715                                 default:   print_usage();
 716                                         exit(10);
 717                                 }
 718                         }
 719                         break;
 720
 721
 722                case OPT_RT:
 723                         opt_rt = true;
 724                         break;
 725
 726                case OPT_XTA:
 727                         opt_xta = true;
 728                         break;
 729
 730                 default:
 731                         print_usage();
 732                         exit(10);
 733                 }
 734
 735
 736         }
 737
 738
 739         if (opt_ind >= argc) {
 740                 print_usage ();
 741                 exit(10);
 742         }
 743
 744
 745         /**************************** Program start *****************************/
 746
 747         log_init (logfilename);
 748         if (verbose) {
 749                 log_text (
 750                                   "CACAO started -------------------------------------------------------");
 751         }
 752
 753         suck_init (classpath);
 754         native_setclasspath (classpath);
 755
 756         tables_init();
 757         heap_init(heapsize, heapstartsize, &dummy);
 758 #ifdef OLD_COMPILER
 759         compiler_init();
 760 #endif
 761         jit_init();
 762         loader_init();
 763
 764         native_loadclasses ();
 765
 766
 767         /*********************** Load JAVA classes  ***************************/
 768
 769         cp = argv[opt_ind++];
 770         for (i=strlen(cp)-1; i>=0; i--) {     /* Transform dots into slashes */
 771                 if (cp[i]=='.') cp[i]='/';        /* in the class name */
 772         }
 773
 774         topclass = loader_load ( utf_new_char (cp) );
 775
 776         if (exceptionptr != 0)
 777         {
 778                 printf ("#### Class loader has thrown: ");
 779                 utf_display (exceptionptr->vftbl->class->name);
 780                 printf ("\n");
 781
 782                 exceptionptr = 0;
 783         }
 784
 785         if (topclass == 0)
 786         {
 787                 printf("#### Could not find top class - exiting\n");
 788                 exit(1);
 789         }
 790
 791         gc_init();
 792
 793 #ifdef USE_THREADS
 794         initThreads((u1*)&dummy);                   /* schani */
 795 #endif
 796
 797         /************************* Start worker routines ********************/
 798
 799         if (startit) {
 800                 methodinfo *mainmethod;
 801                 java_objectarray *a;
 802
 803                 heap_addreference((void**) &a);
 804
 805                 mainmethod = class_findmethod (
 806                                                                            topclass,
 807                                                                            utf_new_char ("main"),
 808                                                                            utf_new_char ("([Ljava/lang/String;)V")
 809                                                                            );
 810                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 811                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 812
 813                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 814                 for (i=opt_ind; i<argc; i++) {
 815                         a->data[i-opt_ind] = javastring_new (utf_new_char (argv[i]) );
 816                 }
 817                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 818
 819                 if (local_exceptionptr) {
 820                         printf ("#### Program has thrown: ");
 821                         utf_display (local_exceptionptr->vftbl->class->name);
 822                         printf ("\n");
 823                 }
 824                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 825                                         /*RTAprint*/    printCallgraph (); }
 826
 827                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 828                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 829                                         /*RTprint*/     printRThierarchyInfo(mainmethod);
 830                                         /*RTprint*/     }
 831                                         /*RTprint*/     printObjectClassHeirarchy1( );
 832
 833
 834 #ifdef USE_THREADS
 835                 killThread(currentThread);
 836 #endif
 837                 fprintf(stderr, "still here\n");
 838         }
 839
 840         /************* If requested, compile all methods ********************/
 841
 842         if (compileall) {
 843                 class_compile_methods();
 844         }
 845
 846
 847         /******** If requested, compile a specific method ***************/
 848
 849         if (specificmethodname) {
 850                 methodinfo *m;
 851                 if (specificsignature)
 852                         m = class_findmethod(topclass,
 853                                                                  utf_new_char(specificmethodname),
 854                                                                  utf_new_char(specificsignature));
 855                 else
 856                         m = class_findmethod(topclass,
 857                                                                  utf_new_char(specificmethodname), NULL);
 858                 if (!m) panic ("Specific method not found");
 859 #ifdef OLD_COMPILER
 860                 if (newcompiler)
 861 #endif
 862                         (void) jit_compile(m);
 863 #ifdef OLD_COMPILER
 864                 else
 865                         (void) compiler_compile(m);
 866 #endif
 867         }
 868
 869         exit(0);
 870 }
 871
 872
 873
 874 /************************************ Shutdown function *********************************
 875
 876         Terminates the system immediately without freeing memory explicitly (to be
 877         used only for abnormal termination)
 878
 879 *****************************************************************************************/
 880
 881 void cacao_shutdown(s4 status)
 882 {
 883                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 884                                         /*RTAprint*/    printCallgraph (NULL); }
 885
 886                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 887                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 888                                         /*RTprint*/     printRThierarchyInfo(NULL); }
 889
 890         if (verbose || getcompilingtime || statistics) {
 891                 log_text ("CACAO terminated by shutdown");
 892                 if (statistics)
 893                         print_stats ();
 894                 if (getcompilingtime)
 895                         print_times ();
 896                 mem_usagelog(0);
 897                 sprintf (logtext, "Exit status: %d\n", (int) status);
 898                 dolog();
 899                 }
 900
 901         exit(status);
 902 }
 903
 904
 905 /*
 906  * These are local overrides for various environment variables in Emacs.
 907  * Please do not remove this and leave it at the end of the file, where
 908  * Emacs will automagically detect them.
 909  * ---------------------------------------------------------------------
 910  * Local variables:
 911  * mode: c
 912  * indent-tabs-mode: t
 913  * c-basic-offset: 4
 914  * tab-width: 4
 915  * End:
 916  */