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 285 2003-05-12 20:05:38Z 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 #define OPT_XTA         26
  94
  95 struct {char *name; bool arg; int value;} opts[] = {
  96         {"classpath",   true,   OPT_CLASSPATH},
  97         {"D",           true,   OPT_D},
  98         {"ms",          true,   OPT_MS},
  99         {"mx",          true,   OPT_MX},
 100         {"noasyncgc",   false,  OPT_IGNORE},
 101         {"noverify",    false,  OPT_IGNORE},
 102         {"oss",         true,   OPT_IGNORE},
 103         {"ss",          true,   OPT_IGNORE},
 104         {"v",           false,  OPT_VERBOSE1},
 105         {"verbose",     false,  OPT_VERBOSE},
 106         {"verbosegc",   false,  OPT_VERBOSEGC},
 107         {"verbosecall", false,  OPT_VERBOSECALL},
 108         {"ieee",        false,  OPT_IEEE},
 109         {"softnull",    false,  OPT_SOFTNULL},
 110         {"time",        false,  OPT_TIME},
 111         {"stat",        false,  OPT_STAT},
 112         {"log",         true,   OPT_LOG},
 113         {"c",           true,   OPT_CHECK},
 114         {"l",           false,  OPT_LOAD},
 115         {"m",           true,   OPT_METHOD},
 116         {"sig",         true,   OPT_SIGNATURE},
 117         {"s",           true,   OPT_SHOW},
 118         {"all",         false,  OPT_ALL},
 119 #ifdef OLD_COMPILER
 120         {"old",         false,  OPT_OLD},
 121 #endif
 122 #ifdef NEW_GC
 123         {"gc1",         false,  OPT_GC1},
 124         {"gc2",         false,  OPT_GC2},
 125 #endif
 126         {"oloop",       false,  OPT_OLOOP},
 127         {"rt",          false,  OPT_RT},
 128         {"xta",         false,  OPT_XTA},
 129         {NULL,  false, 0}
 130 };
 131
 132 static int opt_ind = 1;
 133 static char *opt_arg;
 134
 135 static int get_opt (int argc, char **argv)
 136 {
 137         char *a;
 138         int i;
 139
 140         if (opt_ind >= argc) return OPT_DONE;
 141
 142         a = argv[opt_ind];
 143         if (a[0] != '-') return OPT_DONE;
 144
 145         for (i=0; opts[i].name; i++) {
 146                 if (! opts[i].arg) {
 147                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 148                                 opt_ind++;
 149                                 return opts[i].value;
 150                         }
 151                 }
 152                 else {
 153                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 154                                 opt_ind++;
 155                                 if (opt_ind < argc) {
 156                                         opt_arg = argv[opt_ind];
 157                                         opt_ind++;
 158                                         return opts[i].value;
 159                                 }
 160                                 return OPT_ERROR;
 161                         }
 162                         else {
 163                                 size_t l = strlen(opts[i].name);
 164                                 if (strlen(a+1) > l) {
 165                                         if (memcmp (a+1, opts[i].name, l)==0) {
 166                                                 opt_ind++;
 167                                                 opt_arg = a+1+l;
 168                                                 return opts[i].value;
 169                                         }
 170                                 }
 171                         }
 172                 }
 173         } /* end for */
 174
 175         return OPT_ERROR;
 176 }
 177
 178
 179
 180
 181 /******************** interne Function: print_usage ************************
 182
 183 Prints the correct usage syntax to stdout.
 184
 185 ***************************************************************************/
 186
 187 static void print_usage()
 188 {
 189         printf ("USAGE: cacao [options] classname [program arguments\n");
 190         printf ("Options:\n");
 191         printf ("          -classpath path ...... specify a path to look for classes\n");
 192         printf ("          -Dpropertyname=value . add an entry to the property list\n");
 193         printf ("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 194         printf ("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 195         printf ("          -v ................... write state-information\n");
 196         printf ("          -verbose ............. write more information\n");
 197         printf ("          -verbosegc ........... write message for each GC\n");
 198         printf ("          -verbosecall ......... write message for each call\n");
 199         printf ("          -ieee ................ use ieee compliant arithmetic\n");
 200         printf ("          -softnull ............ use software nullpointer check\n");
 201         printf ("          -time ................ measure the runtime\n");
 202         printf ("          -stat ................ detailed compiler statistics\n");
 203         printf ("          -log logfile ......... specify a name for the logfile\n");
 204         printf ("          -c(heck)b(ounds) ..... don't check array bounds\n");
 205         printf ("                  s(ync) ....... don't check for synchronization\n");
 206         printf ("          -oloop ............... optimize array accesses in loops\n");
 207         printf ("          -l ................... don't start the class after loading\n");
 208         printf ("          -all ................. compile all methods, no execution\n");
 209 #ifdef OLD_COMPILER
 210         printf ("          -old ................. use old JIT compiler\n");
 211 #endif
 212 #ifdef NEW_GC
 213         printf ("          -gc1 ................. use the old garbage collector (default)\n");
 214         printf ("          -gc2 ................. use the new garbage collector\n");
 215 #endif
 216         printf ("          -m ................... compile only a specific method\n");
 217         printf ("          -sig ................. specify signature for a specific method\n");
 218         printf ("          -s(how)a(ssembler) ... show disassembled listing\n");
 219         printf ("                 c(onstants) ... show the constant pool\n");
 220         printf ("                 d(atasegment).. show data segment listing\n");
 221         printf ("                 i(ntermediate). show intermediate representation\n");
 222         printf ("                 m(ethods)...... show class fields and methods\n");
 223 #ifdef OLD_COMPILER
 224         printf ("                 s(tack) ....... show stack for every javaVM-command\n");
 225 #endif
 226         printf ("                 u(tf) ......... show the utf - hash\n");
 227         printf ("          -rt .................. use rapid type analysis\n");
 228         printf ("          -xta ................. use xta\n");
 229 }
 230
 231
 232
 233 /***************************** Function: print_times *********************
 234
 235         Prints a summary of CPU time usage.
 236
 237 **************************************************************************/
 238
 239 static void print_times()
 240 {
 241         long int totaltime = getcputime();
 242         long int runtime = totaltime - loadingtime - compilingtime;
 243
 244         sprintf (logtext, "Time for loading classes: %ld secs, %ld millis",
 245              loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 246         dolog();
 247         sprintf (logtext, "Time for compiling code:  %ld secs, %ld millis",
 248              compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 249         dolog();
 250         sprintf (logtext, "Time for running program: %ld secs, %ld millis",
 251              runtime / 1000000, (runtime % 1000000) / 1000);
 252         dolog();
 253         sprintf (logtext, "Total time: %ld secs, %ld millis",
 254              totaltime / 1000000, (totaltime % 1000000) / 1000);
 255         dolog();
 256 }
 257
 258
 259
 260
 261
 262
 263 /***************************** Function: print_stats *********************
 264
 265         outputs detailed compiler statistics
 266
 267 **************************************************************************/
 268
 269 static void print_stats()
 270 {
 271         sprintf (logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 272         dolog();
 273         sprintf (logtext, "Number of compiled Methods: %d", count_methods);
 274         dolog();
 275         sprintf (logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 276         dolog();
 277         sprintf (logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 278         dolog();
 279         sprintf (logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 280         dolog();
 281         sprintf (logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 282         dolog();
 283         sprintf (logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 284                                                       count_javacodesize - count_methods * 18);
 285         dolog();
 286         sprintf (logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 287         dolog();
 288         sprintf (logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 289         dolog();
 290         sprintf (logtext, "Number of Alpha-Instructions: %d", count_code_len >> 2);
 291         dolog();
 292         sprintf (logtext, "Number of Spills: %d", count_spills);
 293         dolog();
 294         sprintf (logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 295         dolog();
 296         sprintf (logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 297         dolog();
 298         sprintf (logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 299         dolog();
 300         sprintf (logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 301         dolog();
 302         sprintf (logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 303         dolog();
 304         sprintf (logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 305         dolog();
 306         sprintf (logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 307         dolog();
 308         sprintf (logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 309         dolog();
 310         sprintf (logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 311         dolog();
 312         sprintf (logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 313         dolog();
 314         sprintf (logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 315         dolog();
 316         sprintf (logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 317                           count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 318         dolog();
 319         sprintf (logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 320         dolog();
 321         sprintf (logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 322                  count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 323         dolog();
 324         sprintf (logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 325         dolog();
 326         sprintf (logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 327         dolog();
 328         sprintf (logtext, "Number of Try-Blocks: %d", count_tryblocks);
 329         dolog();
 330         sprintf (logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 331         dolog();
 332         sprintf (logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 333         dolog();
 334         sprintf (logtext, "Distribution of stack sizes at block boundary");
 335         dolog();
 336         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 337         dolog();
 338         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 339                 count_block_stack[1],count_block_stack[2],count_block_stack[3],count_block_stack[4],
 340                 count_block_stack[5],count_block_stack[6],count_block_stack[7],count_block_stack[8],
 341                 count_block_stack[9],count_block_stack[10]);
 342         dolog();
 343         sprintf (logtext, "Distribution of store stack depth");
 344         dolog();
 345         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 346         dolog();
 347         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 348                 count_store_depth[1],count_store_depth[2],count_store_depth[3],count_store_depth[4],
 349                 count_store_depth[5],count_store_depth[6],count_store_depth[7],count_store_depth[8],
 350                 count_store_depth[9],count_store_depth[10]);
 351         dolog();
 352         sprintf (logtext, "Distribution of store creator chains first part");
 353         dolog();
 354         sprintf (logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 355         dolog();
 356         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 357                 count_store_length[1],count_store_length[2],count_store_length[3],count_store_length[4],
 358                 count_store_length[5],count_store_length[6],count_store_length[7],count_store_length[8],
 359                 count_store_length[9]);
 360         dolog();
 361         sprintf (logtext, "Distribution of store creator chains second part");
 362         dolog();
 363         sprintf (logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 364         dolog();
 365         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 366                 count_store_length[11],count_store_length[12],count_store_length[13],count_store_length[14],
 367                 count_store_length[15],count_store_length[16],count_store_length[17],count_store_length[18],
 368                 count_store_length[19],count_store_length[20]);
 369         dolog();
 370         sprintf (logtext, "Distribution of analysis iterations");
 371         dolog();
 372         sprintf (logtext, "    1    2    3    4    >=5");
 373         dolog();
 374         sprintf (logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0],count_analyse_iterations[1],
 375                 count_analyse_iterations[2],count_analyse_iterations[3],count_analyse_iterations[4]);
 376         dolog();
 377         sprintf (logtext, "Distribution of basic blocks per method");
 378         dolog();
 379         sprintf (logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 380         dolog();
 381         sprintf (logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 382                 count_method_bb_distribution[1],count_method_bb_distribution[2],count_method_bb_distribution[3],
 383                 count_method_bb_distribution[4],count_method_bb_distribution[5],count_method_bb_distribution[6],
 384                 count_method_bb_distribution[7],count_method_bb_distribution[8]);
 385         dolog();
 386         sprintf (logtext, "Distribution of basic block sizes");
 387         dolog();
 388         sprintf (logtext,
 389         "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 390         dolog();
 391         sprintf (logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 392                 count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 393                 count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 394                 count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 395                 count_block_size_distribution[9], count_block_size_distribution[10],count_block_size_distribution[11],
 396                 count_block_size_distribution[12],count_block_size_distribution[13],count_block_size_distribution[14],
 397                 count_block_size_distribution[15],count_block_size_distribution[16],count_block_size_distribution[17]);
 398         dolog();
 399         sprintf (logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 400         dolog();
 401         sprintf (logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 402         dolog();
 403         sprintf (logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 404         dolog();
 405         sprintf (logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 406         dolog();
 407         sprintf (logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 408         dolog();
 409         sprintf (logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 410         dolog();
 411         sprintf (logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 412         dolog();
 413         sprintf (logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 414         dolog();
 415         sprintf (logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 416                                                       count_vmcode_len - 18 * count_all_methods);
 417         dolog();
 418         sprintf (logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 419         dolog();
 420         sprintf (logtext, "Number of class loads:   %d", count_class_loads);
 421         dolog();
 422         sprintf (logtext, "Number of class inits:   %d", count_class_inits);
 423         dolog();
 424         sprintf (logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 425         dolog();
 426
 427         sprintf (logtext, "Calls of utf_new: %22d", count_utf_new);
 428         dolog();
 429         sprintf (logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 430         dolog();
 431 }
 432
 433
 434 /********** Function: class_compile_methods   (debugging only) ********/
 435
 436 void class_compile_methods ()
 437 {
 438         int        i;
 439         classinfo  *c;
 440         methodinfo *m;
 441
 442         c = list_first (&linkedclasses);
 443         while (c) {
 444                 for (i = 0; i < c -> methodscount; i++) {
 445                         m = &(c->methods[i]);
 446                         if (m->jcode) {
 447 #ifdef OLD_COMPILER
 448                                 if (newcompiler)
 449 #endif
 450                                         (void) jit_compile(m);
 451 #ifdef OLD_COMPILER
 452                                 else
 453                                         (void) compiler_compile(m);
 454 #endif
 455                                 }
 456                         }
 457                 c = list_next (&linkedclasses, c);
 458                 }
 459 }
 460
 461 /*
 462  * void exit_handler(void)
 463  * -----------------------
 464  * The exit_handler function is called upon program termination to shutdown
 465  * the various subsystems and release the resources allocated to the VM.
 466  */
 467
 468 void exit_handler(void)
 469 {
 470         /********************* Print debug tables ************************/
 471
 472         if (showmethods) class_showmethods (topclass);
 473         if (showconstantpool)  class_showconstantpool (topclass);
 474         if (showutf)           utf_show ();
 475
 476 #ifdef USE_THREADS
 477         clear_thread_flags();           /* restores standard file descriptor
 478                                                                    flags */
 479 #endif
 480
 481         /************************ Free all resources *******************/
 482
 483         heap_close ();                          /* must be called before compiler_close and
 484                                                                    loader_close because finalization occurs
 485                                                                    here */
 486
 487 #ifdef OLD_COMPILER
 488         compiler_close ();
 489 #endif
 490         loader_close ();
 491         tables_close ( literalstring_free );
 492
 493         if (verbose || getcompilingtime || statistics) {
 494                 log_text ("CACAO terminated");
 495                 if (statistics)
 496                         print_stats ();
 497                 if (getcompilingtime)
 498                         print_times ();
 499                 mem_usagelog(1);
 500         }
 501 }
 502
 503 /************************** Function: main *******************************
 504
 505    The main program.
 506
 507 **************************************************************************/
 508
 509 int main(int argc, char **argv)
 510 {
 511         s4 i,j;
 512         char *cp;
 513         java_objectheader *local_exceptionptr = 0;
 514         void *dummy;
 515
 516         /********** interne (nur fuer main relevante Optionen) **************/
 517
 518         char logfilename[200] = "";
 519         u4 heapsize = 64000000;
 520         u4 heapstartsize = 200000;
 521         char classpath[500] = ".:/usr/local/lib/java/classes";
 522         bool startit = true;
 523         char *specificmethodname = NULL;
 524         char *specificsignature = NULL;
 525
 526 #ifndef USE_THREADS
 527         stackbottom = &dummy;
 528 #endif
 529
 530         if (0 != atexit(exit_handler))
 531                 panic("unable to register exit_handler");
 532
 533         /************ Collect info from the environment ************************/
 534
 535         cp = getenv ("CLASSPATH");
 536         if (cp) {
 537                 strcpy (classpath, cp);
 538         }
 539
 540         /***************** Interpret the command line *****************/
 541
 542         checknull = false;
 543         checkfloats = false;
 544
 545         while ( (i = get_opt(argc,argv)) != OPT_DONE) {
 546
 547                 switch (i) {
 548                 case OPT_IGNORE: break;
 549
 550                 case OPT_CLASSPATH:
 551                         strcpy (classpath + strlen(classpath), ":");
 552                         strcpy (classpath + strlen(classpath), opt_arg);
 553                         break;
 554
 555                 case OPT_D:
 556                         {
 557                                 int n,l=strlen(opt_arg);
 558                                 for (n=0; n<l; n++) {
 559                                         if (opt_arg[n]=='=') {
 560                                                 opt_arg[n] = '\0';
 561                                                 attach_property (opt_arg, opt_arg+n+1);
 562                                                 goto didit;
 563                                         }
 564                                 }
 565                                 print_usage();
 566                                 exit(10);
 567
 568                         didit: ;
 569                         }
 570                 break;
 571
 572                 case OPT_MS:
 573                 case OPT_MX:
 574                         if (opt_arg[strlen(opt_arg)-1] == 'k') {
 575                                 j = 1024 * atoi(opt_arg);
 576                         }
 577                         else if (opt_arg[strlen(opt_arg)-1] == 'm') {
 578                                 j = 1024 * 1024 * atoi(opt_arg);
 579                         }
 580                         else j = atoi(opt_arg);
 581
 582                         if (i==OPT_MX) heapsize = j;
 583                         else heapstartsize = j;
 584                         break;
 585
 586                 case OPT_VERBOSE1:
 587                         verbose = true;
 588                         break;
 589
 590                 case OPT_VERBOSE:
 591                         verbose = true;
 592                         loadverbose = true;
 593                         initverbose = true;
 594                         compileverbose = true;
 595                         break;
 596
 597                 case OPT_VERBOSEGC:
 598                         collectverbose = true;
 599                         break;
 600
 601                 case OPT_VERBOSECALL:
 602                         runverbose = true;
 603                         break;
 604
 605                 case OPT_IEEE:
 606                         checkfloats = true;
 607                         break;
 608
 609                 case OPT_SOFTNULL:
 610                         checknull = true;
 611                         break;
 612
 613                 case OPT_TIME:
 614                         getcompilingtime = true;
 615                         getloadingtime = true;
 616                         break;
 617
 618                 case OPT_STAT:
 619                         statistics = true;
 620                         break;
 621
 622                 case OPT_LOG:
 623                         strcpy (logfilename, opt_arg);
 624                         break;
 625
 626
 627                 case OPT_CHECK:
 628                         for (j=0; j<strlen(opt_arg); j++) {
 629                                 switch (opt_arg[j]) {
 630                                 case 'b': checkbounds=false; break;
 631                                 case 's': checksync=false; break;
 632                                 default:  print_usage();
 633                                         exit(10);
 634                                 }
 635                         }
 636                         break;
 637
 638                 case OPT_LOAD:
 639                         startit = false;
 640                         makeinitializations = false;
 641                         break;
 642
 643                 case OPT_METHOD:
 644                         startit = false;
 645                         specificmethodname = opt_arg;
 646                         makeinitializations = false;
 647                         break;
 648
 649                 case OPT_SIGNATURE:
 650                         specificsignature = opt_arg;
 651                         break;
 652
 653                 case OPT_ALL:
 654                         compileall = true;
 655                         startit = false;
 656                         makeinitializations = false;
 657                         break;
 658
 659 #ifdef OLD_COMPILER
 660                 case OPT_OLD:
 661                         newcompiler = false;
 662                         checknull = true;
 663                         break;
 664 #endif
 665
 666 #ifdef NEW_GC
 667                 case OPT_GC2:
 668                         new_gc = true;
 669                         break;
 670
 671                 case OPT_GC1:
 672                         new_gc = false;
 673                         break;
 674 #endif
 675
 676                 case OPT_SHOW:       /* Display options */
 677                         for (j=0; j<strlen(opt_arg); j++) {
 678                                 switch (opt_arg[j]) {
 679                                 case 'a':  showdisassemble=true; compileverbose=true; break;
 680                                 case 'c':  showconstantpool=true; break;
 681                                 case 'd':  showddatasegment=true; break;
 682                                 case 'i':  showintermediate=true; compileverbose=true; break;
 683                                 case 'm':  showmethods=true; break;
 684 #ifdef OLD_COMPILER
 685                                 case 's':  showstack=true; compileverbose=true; break;
 686 #endif
 687                                 case 'u':  showutf=true; break;
 688                                 default:   print_usage();
 689                                         exit(10);
 690                                 }
 691                         }
 692                         break;
 693
 694                 case OPT_OLOOP:
 695                         opt_loops = true;
 696                         break;
 697
 698                case OPT_RT:
 699                         opt_rt = true;
 700                         break;
 701
 702                case OPT_XTA:
 703                         opt_xta = true;
 704                         break;
 705
 706                 default:
 707                         print_usage();
 708                         exit(10);
 709                 }
 710
 711
 712         }
 713
 714
 715         if (opt_ind >= argc) {
 716                 print_usage ();
 717                 exit(10);
 718         }
 719
 720
 721         /**************************** Program start *****************************/
 722
 723         log_init (logfilename);
 724         if (verbose) {
 725                 log_text (
 726                                   "CACAO started -------------------------------------------------------");
 727         }
 728
 729         suck_init (classpath);
 730         native_setclasspath (classpath);
 731
 732         tables_init();
 733         heap_init(heapsize, heapstartsize, &dummy);
 734 #ifdef OLD_COMPILER
 735         compiler_init();
 736 #endif
 737         jit_init();
 738         loader_init();
 739
 740         native_loadclasses ();
 741
 742
 743         /*********************** Load JAVA classes  ***************************/
 744
 745         cp = argv[opt_ind++];
 746         for (i=strlen(cp)-1; i>=0; i--) {     /* Transform dots into slashes */
 747                 if (cp[i]=='.') cp[i]='/';        /* in the class name */
 748         }
 749
 750         topclass = loader_load ( utf_new_char (cp) );
 751
 752         if (exceptionptr != 0)
 753         {
 754                 printf ("#### Class loader has thrown: ");
 755                 utf_display (exceptionptr->vftbl->class->name);
 756                 printf ("\n");
 757
 758                 exceptionptr = 0;
 759         }
 760
 761         if (topclass == 0)
 762         {
 763                 printf("#### Could not find top class - exiting\n");
 764                 exit(1);
 765         }
 766
 767         gc_init();
 768
 769 #ifdef USE_THREADS
 770         initThreads((u1*)&dummy);                   /* schani */
 771 #endif
 772
 773         /************************* Start worker routines ********************/
 774
 775         if (startit) {
 776                 methodinfo *mainmethod;
 777                 java_objectarray *a;
 778
 779                 heap_addreference((void**) &a);
 780
 781                 mainmethod = class_findmethod (
 782                                                                            topclass,
 783                                                                            utf_new_char ("main"),
 784                                                                            utf_new_char ("([Ljava/lang/String;)V")
 785                                                                            );
 786                 if (!mainmethod) panic ("Can not find method 'void main(String[])'");
 787                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic ("main is not static!");
 788
 789                 a = builtin_anewarray (argc - opt_ind, class_java_lang_String);
 790                 for (i=opt_ind; i<argc; i++) {
 791                         a->data[i-opt_ind] = javastring_new (utf_new_char (argv[i]) );
 792                 }
 793                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL,NULL,NULL );
 794
 795                 if (local_exceptionptr) {
 796                         printf ("#### Program has thrown: ");
 797                         utf_display (local_exceptionptr->vftbl->class->name);
 798                         printf ("\n");
 799                 }
 800                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 801                                         /*RTAprint*/    printCallgraph (); }
 802
 803                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 804                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 805                                         /*RTprint*/     printRThierarchyInfo(mainmethod); }
 806
 807 #ifdef USE_THREADS
 808                 killThread(currentThread);
 809 #endif
 810                 fprintf(stderr, "still here\n");
 811         }
 812
 813         /************* If requested, compile all methods ********************/
 814
 815         if (compileall) {
 816                 class_compile_methods();
 817         }
 818
 819
 820         /******** If requested, compile a specific method ***************/
 821
 822         if (specificmethodname) {
 823                 methodinfo *m;
 824                 if (specificsignature)
 825                         m = class_findmethod(topclass,
 826                                                                  utf_new_char(specificmethodname),
 827                                                                  utf_new_char(specificsignature));
 828                 else
 829                         m = class_findmethod(topclass,
 830                                                                  utf_new_char(specificmethodname), NULL);
 831                 if (!m) panic ("Specific method not found");
 832 #ifdef OLD_COMPILER
 833                 if (newcompiler)
 834 #endif
 835                         (void) jit_compile(m);
 836 #ifdef OLD_COMPILER
 837                 else
 838                         (void) compiler_compile(m);
 839 #endif
 840         }
 841
 842         exit(0);
 843 }
 844
 845
 846
 847 /************************************ Shutdown function *********************************
 848
 849         Terminates the system immediately without freeing memory explicitly (to be
 850         used only for abnormal termination)
 851
 852 *****************************************************************************************/
 853
 854 void cacao_shutdown(s4 status)
 855 {
 856                                         /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 857                                         /*RTAprint*/    printCallgraph (NULL); }
 858
 859                                         /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 860                                         /*RTprint*/     printf("Last RTA Class Heirarchy -");
 861                                         /*RTprint*/     printRThierarchyInfo(NULL); }
 862
 863         if (verbose || getcompilingtime || statistics) {
 864                 log_text ("CACAO terminated by shutdown");
 865                 if (statistics)
 866                         print_stats ();
 867                 if (getcompilingtime)
 868                         print_times ();
 869                 mem_usagelog(0);
 870                 sprintf (logtext, "Exit status: %d\n", (int) status);
 871                 dolog();
 872                 }
 873
 874         exit(status);
 875 }
 876
 877
 878 /*
 879  * These are local overrides for various environment variables in Emacs.
 880  * Please do not remove this and leave it at the end of the file, where
 881  * Emacs will automagically detect them.
 882  * ---------------------------------------------------------------------
 883  * Local variables:
 884  * mode: c
 885  * indent-tabs-mode: t
 886  * c-basic-offset: 4
 887  * tab-width: 4
 888  * End:
 889  */