src/cacao/cacao.c

   1 /* main.c **********************************************************************
   2
   3         Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
   4
   5         See file COPYRIGHT for information on usage and disclaimer of warranties
   6
   7         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: cacao.c 274 2003-05-09 13:39:39Z carolyn $
  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_RT          25
  93
  94 struct {char *name; bool arg; int value;} opts[] = {
  95         {"classpath",   true,   OPT_CLASSPATH},
  96         {"D",           true,   OPT_D},
  97         {"ms",          true,   OPT_MS},
  98         {"mx",          true,   OPT_MX},
  99         {"noasyncgc",   false,  OPT_IGNORE},
 100         {"noverify",    false,  OPT_IGNORE},
 101         {"oss",         true,   OPT_IGNORE},
 102         {"ss",          true,   OPT_IGNORE},
 103         {"v",           false,  OPT_VERBOSE1},
 104         {"verbose",     false,  OPT_VERBOSE},
 105         {"verbosegc",   false,  OPT_VERBOSEGC},
 106         {"verbosecall", false,  OPT_VERBOSECALL},
 107         {"ieee",        false,  OPT_IEEE},
 108         {"softnull",    false,  OPT_SOFTNULL},
 109         {"time",        false,  OPT_TIME},
 110         {"stat",        false,  OPT_STAT},
 111         {"log",         true,   OPT_LOG},
 112         {"c",           true,   OPT_CHECK},
 113         {"l",           false,  OPT_LOAD},
 114         {"m",           true,   OPT_METHOD},
 115         {"sig",         true,   OPT_SIGNATURE},
 116         {"s",           true,   OPT_SHOW},
 117         {"all",         false,  OPT_ALL},
 118 #ifdef OLD_COMPILER
 119         {"old",         false,  OPT_OLD},
 120 #endif
 121 #ifdef NEW_GC
 122         {"gc1",         false,  OPT_GC1},
 123         {"gc2",         false,  OPT_GC2},
 124 #endif
 125         {"oloop",       false,  OPT_OLOOP},
 126         {"rt",          false,  OPT_RT},
 127         {NULL,  false, 0}
 128 };
 129
 130 static int opt_ind = 1;
 131 static char *opt_arg;
 132
 133 static int get_opt (int argc, char **argv)
 134 {
 135         char *a;
 136         int i;
 137
 138         if (opt_ind >= argc) return OPT_DONE;
 139
 140         a = argv[opt_ind];
 141         if (a[0] != '-') return OPT_DONE;
 142
 143         for (i=0; opts[i].name; i++) {
 144                 if (! opts[i].arg) {
 145                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 146                                 opt_ind++;
 147                                 return opts[i].value;
 148                         }
 149                 }
 150                 else {
 151                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 152                                 opt_ind++;
 153                                 if (opt_ind < argc) {
 154                                         opt_arg = argv[opt_ind];
 155                                         opt_ind++;
 156                                         return opts[i].value;
 157                                 }
 158                                 return OPT_ERROR;
 159                         }
 160                         else {
 161                                 size_t l = strlen(opts[i].name);
 162                                 if (strlen(a+1) > l) {
 163                                         if (memcmp (a+1, opts[i].name, l)==0) {
 164                                                 opt_ind++;
 165                                                 opt_arg = a+1+l;
 166                                                 return opts[i].value;
 167                                         }
 168                                 }
 169                         }
 170                 }
 171         } /* end for */
 172
 173         return OPT_ERROR;
 174 }
 175
 176
 177
 178
 179 /******************** interne Function: print_usage ************************
 180
 181 Prints the correct usage syntax to stdout.
 182
 183 ***************************************************************************/
 184
 185 static void print_usage()
 186 {
 187         printf ("USAGE: cacao [options] classname [program arguments\n");
 188         printf ("Options:\n");
 189         printf ("          -classpath path ...... specify a path to look for classes\n");
 190         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 191         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 192         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 193         printf ("          -v ................... write state-information\n");
 194         printf ("          -verbose ............. write more information\n");
 195         printf ("          -verbosegc ........... write message for each GC\n");
 196         printf ("          -verbosecall ......... write message for each call\n");
 197         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 198         printf ("          -softnull ............ use software nullpointer check\n");
 199         printf ("          -time ................ measure the runtime\n");
 200         printf ("          -stat ................ detailed compiler statistics\n");
 201         printf ("          -log logfile ......... specify a name for the logfile\n");
 202         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 203         printf ("                  s(ync) ....... don't check for synchronization\n");
 204         printf ("          -oloop ............... optimize array accesses in loops\n");
 205         printf ("          -l ................... don't start the class after loading\n");
 206         printf ("          -all ................. compile all methods, no execution\n");
 207 #ifdef OLD_COMPILER
 208         printf ("          -old ................. use old JIT compiler\n");
 209 #endif
 210 #ifdef NEW_GC
 211         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 212         printf ("          -gc2 ................. use the new garbage collector\n");
 213 #endif
 214         printf ("          -m ................... compile only a specific method\n");
 215         printf ("          -sig ................. specify signature for a specific method\n");
 216         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 217         printf ("                 c(onstants) ... show the constant pool\n");
 218         printf ("                 d(atasegment).. show data segment listing\n");
 219         printf ("                 i(ntermediate). show intermediate representation\n");
 220         printf ("                 m(ethods)...... show class fields and methods\n");
 221 #ifdef OLD_COMPILER
 222         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 223 #endif
 224         printf ("                 u(tf) ......... show the utf - hash\n");
 225         printf ("          -rt .................. use rapid type analysis\n");
 226 }
 227
 228
 229
 230 /***************************** Function: print_times *********************
 231
 232         Prints a summary of CPU time usage.
 233
 234 **************************************************************************/
 235
 236 static void print_times()
 237 {
 238         long int totaltime = getcputime();
 239         long int runtime = totaltime - loadingtime - compilingtime;
 240
 241         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 242              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 243         dolog();
 244         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 245              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 246         dolog();
 247         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 248              runtime / 1000000, (runtime % 1000000) / 1000);
 249         dolog();
 250         sprintf (logtext, "Total time: %ld secs, %ld millis",
 251              totaltime / 1000000, (totaltime % 1000000) / 1000);
 252         dolog();
 253 }
 254
 255
 256
 257
 258
 259
 260 /***************************** Function: print_stats *********************
 261
 262         outputs detailed compiler statistics
 263
 264 **************************************************************************/
 265
 266 static void print_stats()
 267 {
 268         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 269         dolog();
 270         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 271         dolog();
 272         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 273         dolog();
 274         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 275         dolog();
 276         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 277         dolog();
 278         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 279         dolog();
 280         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 281                                                       count_javacodesize - count_methods * 18);
 282         dolog();
 283         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 284         dolog();
 285         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 286         dolog();
 287         sprintf (logtext, "Number of Alpha-Instructions: %d", count_code_len >> 2);
 288         dolog();
 289         sprintf (logtext, "Number of Spills: %d", count_spills);
 290         dolog();
 291         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 292         dolog();
 293         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 294         dolog();
 295         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 296         dolog();
 297         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 298         dolog();
 299         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 300         dolog();
 301         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 302         dolog();
 303         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 304         dolog();
 305         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 306         dolog();
 307         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 308         dolog();
 309         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 310         dolog();
 311         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 312         dolog();
 313         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 314                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 315         dolog();
 316         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 317         dolog();
 318         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 319                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 320         dolog();
 321         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 322         dolog();
 323         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 324         dolog();
 325         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 326         dolog();
 327         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 328         dolog();
 329         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 330         dolog();
 331         sprintf (logtext, "Distribution of stack sizes at block boundary");
 332         dolog();
 333         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 334         dolog();
 335         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 336                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 337                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 338                 count_block_stack[9],count_block_stack[10]);
 339         dolog();
 340         sprintf (logtext, "Distribution of store stack depth");
 341         dolog();
 342         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 343         dolog();
 344         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 345                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 346                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 347                 count_store_depth[9],count_store_depth[10]);
 348         dolog();
 349         sprintf (logtext, "Distribution of store creator chains first part");
 350         dolog();
 351         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 352         dolog();
 353         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 354                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 355                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 356                 count_store_length[9]);
 357         dolog();
 358         sprintf (logtext, "Distribution of store creator chains second part");
 359         dolog();
 360         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 361         dolog();
 362         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 363                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 364                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 365                 count_store_length[19],count_store_length[20]);
 366         dolog();
 367         sprintf (logtext, "Distribution of analysis iterations");
 368         dolog();
 369         sprintf (logtext, "    1    2    3    4    >=5");
 370         dolog();
 371         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 372                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 373         dolog();
 374         sprintf (logtext, "Distribution of basic blocks per method");
 375         dolog();
 376         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 377         dolog();
 378         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 379                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 380                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 381                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 382         dolog();
 383         sprintf (logtext, "Distribution of basic block sizes");
 384         dolog();
 385         sprintf (logtext,
 386         "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 387         dolog();
 388         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 389                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 390                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 391                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 392                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 393                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 394                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 395         dolog();
 396         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 397         dolog();
 398         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 399         dolog();
 400         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 401         dolog();
 402         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 403         dolog();
 404         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 405         dolog();
 406         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 407         dolog();
 408         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 409         dolog();
 410         sprintf (logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 411         dolog();
 412         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 413                                                       count_vmcode_len - 18 * count_all_methods);
 414         dolog();
 415         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 416         dolog();
 417         sprintf (logtext, "Number of class loads:   %d", count_class_loads);
 418         dolog();
 419         sprintf (logtext, "Number of class inits:   %d", count_class_inits);
 420         dolog();
 421         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 422         dolog();
 423
 424         sprintf (logtext, "Calls of utf_new: %22d", count_utf_new);
 425         dolog();
 426         sprintf (logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 427         dolog();
 428 }
 429
 430
 431 /********** Function: class_compile_methods   (debugging only) ********/
 432
 433 void class_compile_methods ()
 434 {
 435         int        i;
 436         classinfo  *c;
 437         methodinfo *m;
 438
 439         c = list_first (&linkedclasses);
 440         while (c) {
 441                 for (i = 0; i < c -> methodscount; i++) {
 442                         m = &(c->methods[i]);
 443                         if (m->jcode) {
 444 #ifdef OLD_COMPILER
 445                                 if (newcompiler)
 446 #endif
 447                                         (void) jit_compile(m);
 448 #ifdef OLD_COMPILER
 449                                 else
 450                                         (void) compiler_compile(m);
 451 #endif
 452                                 }
 453                         }
 454                 c = list_next (&linkedclasses, c);
 455                 }
 456 }
 457
 458 /*
 459  * void exit_handler(void)
 460  * -----------------------
 461  * The exit_handler function is called upon program termination to shutdown
 462  * the various subsystems and release the resources allocated to the VM.
 463  */
 464
 465 void exit_handler(void)
 466 {
 467         /********************* Print debug tables ************************/
 468
 469         if (showmethods) class_showmethods (topclass);
 470         if (showconstantpool)  class_showconstantpool (topclass);
 471         if (showutf)           utf_show ();
 472
 473 #ifdef USE_THREADS
 474         clear_thread_flags();           /* restores standard file descriptor
 475                                                                    flags */
 476 #endif
 477
 478         /************************ Free all resources *******************/
 479
 480         heap_close ();                          /* must be called before compiler_close and
 481                                                                    loader_close because finalization occurs
 482                                                                    here */
 483
 484 #ifdef OLD_COMPILER
 485         compiler_close ();
 486 #endif
 487         loader_close ();
 488         tables_close ( literalstring_free );
 489
 490         if (verbose || getcompilingtime || statistics) {
 491                 log_text ("CACAO terminated");
 492                 if (statistics)
 493                         print_stats ();
 494                 if (getcompilingtime)
 495                         print_times ();
 496                 mem_usagelog(1);
 497         }
 498 }
 499
 500 /************************** Function: main *******************************
 501
 502    The main program.
 503
 504 **************************************************************************/
 505
 506 int main(int argc, char **argv)
 507 {
 508         s4 i,j;
 509         char *cp;
 510         java_objectheader *local_exceptionptr = 0;
 511         void *dummy;
 512
 513         /********** interne (nur fuer main relevante Optionen) **************/
 514
 515         char logfilename[200] = "";
 516         u4 heapsize = 64000000;
 517         u4 heapstartsize = 200000;
 518         char classpath[500] = ".:/usr/local/lib/java/classes";
 519         bool startit = true;
 520         char *specificmethodname = NULL;
 521         char *specificsignature = NULL;
 522
 523 #ifndef USE_THREADS
 524         stackbottom = &dummy;
 525 #endif
 526
 527         if (0 != atexit(exit_handler))
 528                 panic("unable to register exit_handler");
 529
 530         /************ Collect info from the environment ************************/
 531
 532         cp = getenv ("CLASSPATH");
 533         if (cp) {
 534                 strcpy (classpath, cp);
 535         }
 536
 537         /***************** Interpret the command line *****************/
 538
 539         checknull = false;
 540         checkfloats = false;
 541
 542         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 543
 544                 switch (i) {
 545                 case OPT_IGNORE: break;
 546
 547                 case OPT_CLASSPATH:
 548                         strcpy (classpath + strlen(classpath), ":");
 549                         strcpy (classpath + strlen(classpath), opt_arg);
 550                         break;
 551
 552                 case OPT_D:
 553                         {
 554                                 int n,l=strlen(opt_arg);
 555                                 for (n=0; n<l; n++) {
 556                                         if (opt_arg[n]=='=') {
 557                                                 opt_arg[n] = '\0';
 558                                                 attach_property (opt_arg, opt_arg+n+1);
 559                                                 goto didit;
 560                                         }
 561                                 }
 562                                 print_usage();
 563                                 exit(10);
 564
 565                         didit: ;
 566                         }
 567                 break;
 568
 569                 case OPT_MS:
 570                 case OPT_MX:
 571                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 572                                 j = 1024 * atoi(opt_arg);
 573                         }
 574                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 575                                 j = 1024 * 1024 * atoi(opt_arg);
 576                         }
 577                         else j = atoi(opt_arg);
 578
 579                         if (i==OPT_MX) heapsize = j;
 580                         else heapstartsize = j;
 581                         break;
 582
 583                 case OPT_VERBOSE1:
 584                         verbose = true;
 585                         break;
 586
 587                 case OPT_VERBOSE:
 588                         verbose = true;
 589                         loadverbose = true;
 590                         initverbose = true;
 591                         compileverbose = true;
 592                         break;
 593
 594                 case OPT_VERBOSEGC:
 595                         collectverbose = true;
 596                         break;
 597
 598                 case OPT_VERBOSECALL:
 599                         runverbose = true;
 600                         break;
 601
 602                 case OPT_IEEE:
 603                         checkfloats = true;
 604                         break;
 605
 606                 case OPT_SOFTNULL:
 607                         checknull = true;
 608                         break;
 609
 610                 case OPT_TIME:
 611                         getcompilingtime = true;
 612                         getloadingtime = true;
 613                         break;
 614
 615                 case OPT_STAT:
 616                         statistics = true;
 617                         break;
 618
 619                 case OPT_LOG:
 620                         strcpy (logfilename, opt_arg);
 621                         break;
 622
 623
 624                 case OPT_CHECK:
 625                         for (j=0; j<strlen(opt_arg); j++) {
 626                                 switch (opt_arg[j]) {
 627                                 case 'b': checkbounds=false; break;
 628                                 case 's': checksync=false; break;
 629                                 default:  print_usage();
 630                                         exit(10);
 631                                 }
 632                         }
 633                         break;
 634
 635                 case OPT_LOAD:
 636                         startit = false;
 637                         makeinitializations = false;
 638                         break;
 639
 640                 case OPT_METHOD:
 641                         startit = false;
 642                         specificmethodname = opt_arg;
 643                         makeinitializations = false;
 644                         break;
 645
 646                 case OPT_SIGNATURE:
 647                         specificsignature = opt_arg;
 648                         break;
 649
 650                 case OPT_ALL:
 651                         compileall = true;
 652                         startit = false;
 653                         makeinitializations = false;
 654                         break;
 655
 656 #ifdef OLD_COMPILER
 657                 case OPT_OLD:
 658                         newcompiler = false;
 659                         checknull = true;
 660                         break;
 661 #endif
 662
 663 #ifdef NEW_GC
 664                 case OPT_GC2:
 665                         new_gc = true;
 666                         break;
 667
 668                 case OPT_GC1:
 669                         new_gc = false;
 670                         break;
 671 #endif
 672
 673                 case OPT_SHOW:       /* Display options */
 674                         for (j=0; j<strlen(opt_arg); j++) {
 675                                 switch (opt_arg[j]) {
 676                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 677                                 case 'c':  showconstantpool=true; break;
 678                                 case 'd':  showddatasegment=true; break;
 679                                 case 'i':  showintermediate=true; compileverbose=true; break;
 680                                 case 'm':  showmethods=true; break;
 681 #ifdef OLD_COMPILER
 682                                 case 's':  showstack=true; compileverbose=true; break;
 683 #endif
 684                                 case 'u':  showutf=true; break;
 685                                 default:   print_usage();
 686                                         exit(10);
 687                                 }
 688                         }
 689                         break;
 690
 691                 case OPT_OLOOP:
 692                         opt_loops = true;
 693                         break;
 694
 695                case OPT_RT:
 696                         opt_rt = true;
 697                         break;
 698
 699                 default:
 700                         print_usage();
 701                         exit(10);
 702                 }
 703
 704
 705         }
 706
 707
 708         if (opt_ind >= argc) {
 709                 print_usage ();
 710                 exit(10);
 711         }
 712
 713
 714         /**************************** Program start *****************************/
 715
 716         log_init (logfilename);
 717         if (verbose) {
 718                 log_text (
 719                                   "CACAO started -------------------------------------------------------");
 720         }
 721
 722         suck_init (classpath);
 723         native_setclasspath (classpath);
 724
 725         tables_init();
 726         heap_init(heapsize, heapstartsize, &dummy);
 727 #ifdef OLD_COMPILER
 728         compiler_init();
 729 #endif
 730         jit_init();
 731         loader_init();
 732
 733         native_loadclasses ();
 734
 735
 736         /*********************** Load JAVA classes  ***************************/
 737
 738         cp = argv[opt_ind++];
 739         for (i=strlen(cp)-1; i>=0; i--) {     /* Transform dots into slashes */
 740                 if (cp[i]=='.') cp[i]='/';        /* in the class name */
 741         }
 742
 743         topclass = loader_load ( utf_new_char (cp) );
 744
 745         if (exceptionptr != 0)
 746         {
 747                 printf ("#### Class loader has thrown: ");
 748                 utf_display (exceptionptr->vftbl->class->name);
 749                 printf ("\n");
 750
 751                 exceptionptr = 0;
 752         }
 753
 754         if (topclass == 0)
 755         {
 756                 printf("#### Could not find top class - exiting\n");
 757                 exit(1);
 758         }
 759
 760         gc_init();
 761
 762 #ifdef USE_THREADS
 763         initThreads((u1*)&dummy);                   /* schani */
 764 #endif
 765
 766         /************************* Start worker routines ********************/
 767
 768         if (startit) {
 769                 methodinfo *mainmethod;
 770                 java_objectarray *a;
 771
 772                 heap_addreference((void**) &a);
 773
 774                 mainmethod = class_findmethod (
 775                                                                            topclass,
 776                                                                            utf_new_char ("main"),
 777                                                                            utf_new_char ("([Ljava/lang/String;)V")
 778                                                                            );
 779                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 780                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 781
 782                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 783                 for (i=opt_ind; i<argc; i++) {
 784                         a->data[i-opt_ind] = javastring_new (utf_new_char (argv[i]) );
 785                 }
 786                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 787
 788                 if (local_exceptionptr) {
 789                         printf ("#### Program has thrown: ");
 790                         utf_display (local_exceptionptr->vftbl->class->name);
 791                         printf ("\n");
 792                 }
 793                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 794                                         /*RTAprint*/    printCallgraph (); }
 795
 796                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 797                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 798                                         /*RTprint*/     printRThierarchyInfo(mainmethod); }
 799
 800 #ifdef USE_THREADS
 801                 killThread(currentThread);
 802 #endif
 803                 fprintf(stderr, "still here\n");
 804         }
 805
 806         /************* If requested, compile all methods ********************/
 807
 808         if (compileall) {
 809                 class_compile_methods();
 810         }
 811
 812
 813         /******** If requested, compile a specific method ***************/
 814
 815         if (specificmethodname) {
 816                 methodinfo *m;
 817                 if (specificsignature)
 818                         m = class_findmethod(topclass,
 819                                                                  utf_new_char(specificmethodname),
 820                                                                  utf_new_char(specificsignature));
 821                 else
 822                         m = class_findmethod(topclass,
 823                                                                  utf_new_char(specificmethodname), NULL);
 824                 if (!m) panic ("Specific method not found");
 825 #ifdef OLD_COMPILER
 826                 if (newcompiler)
 827 #endif
 828                         (void) jit_compile(m);
 829 #ifdef OLD_COMPILER
 830                 else
 831                         (void) compiler_compile(m);
 832 #endif
 833         }
 834
 835         exit(0);
 836 }
 837
 838
 839
 840 /************************************ Shutdown function *********************************
 841
 842         Terminates the system immediately without freeing memory explicitly (to be
 843         used only for abnormal termination)
 844
 845 *****************************************************************************************/
 846
 847 void cacao_shutdown(s4 status)
 848 {
 849                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 850                                         /*RTAprint*/    printCallgraph (NULL); }
 851
 852                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 853                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 854                                         /*RTprint*/     printRThierarchyInfo(NULL); }
 855
 856         if (verbose || getcompilingtime || statistics) {
 857                 log_text ("CACAO terminated by shutdown");
 858                 if (statistics)
 859                         print_stats ();
 860                 if (getcompilingtime)
 861                         print_times ();
 862                 mem_usagelog(0);
 863                 sprintf (logtext, "Exit status: %d\n", (int) status);
 864                 dolog();
 865                 }
 866
 867         exit(status);
 868 }
 869
 870
 871 /*
 872  * These are local overrides for various environment variables in Emacs.
 873  * Please do not remove this and leave it at the end of the file, where
 874  * Emacs will automagically detect them.
 875  * ---------------------------------------------------------------------
 876  * Local variables:
 877  * mode: c
 878  * indent-tabs-mode: t
 879  * c-basic-offset: 4
 880  * tab-width: 4
 881  * End:
 882  */