src/cacao/cacao.c

   1 /* main.c - contains main() and variables for the global options
   2
   3    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4    Institut f. Computersprachen, TU Wien
   5    R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser, M. Probst,
   6    S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich,
   7    J. Wenninger
   8
   9    This file is part of CACAO.
  10
  11    This program is free software; you can redistribute it and/or
  12    modify it under the terms of the GNU General Public License as
  13    published by the Free Software Foundation; either version 2, or (at
  14    your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful, but
  17    WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  24    02111-1307, USA.
  25
  26    Contact: cacao@complang.tuwien.ac.at
  27
  28    Authors: Reinhard Grafl
  29
  30    Changes: Andi Krall
  31             Mark Probst
  32             Philipp Tomsich
  33
  34    This module does the following tasks:
  35      - Command line option handling
  36      - Calling initialization routines
  37      - Calling the class loader
  38      - Running the main method
  39
  40    $Id: cacao.c 657 2003-11-20 15:18:33Z carolyn $
  41
  42 */
  43
  44
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include "main.h"
  48 #include "global.h"
  49 #include "tables.h"
  50 #include "loader.h"
  51 #include "jit.h"
  52 #include "asmpart.h"
  53 #include "builtin.h"
  54 #include "native.h"
  55 #include "mm/boehm.h"
  56 #include "threads/thread.h"
  57 #include "toolbox/loging.h"
  58 #include "toolbox/memory.h"
  59 #include "parseRTstats.h"
  60
  61
  62 bool compileall = false;
  63 bool verbose =  false;
  64 bool runverbose = false;
  65 bool collectverbose = false;
  66
  67
  68 static bool showmethods = false;
  69 static bool showconstantpool = false;
  70 static bool showutf = false;
  71 static classinfo *topclass;
  72
  73 #ifndef USE_THREADS
  74 void **stackbottom = 0;
  75 #endif
  76
  77
  78 /* internal function: get_opt *************************************************
  79
  80         decodes the next command line option
  81
  82 ******************************************************************************/
  83
  84 #define OPT_DONE       -1
  85 #define OPT_ERROR       0
  86 #define OPT_IGNORE      1
  87
  88 #define OPT_CLASSPATH   2
  89 #define OPT_D           3
  90 #define OPT_MS          4
  91 #define OPT_MX          5
  92 #define OPT_VERBOSE1    6
  93 #define OPT_VERBOSE     7
  94 #define OPT_VERBOSEGC   8
  95 #define OPT_VERBOSECALL 9
  96 #define OPT_NOIEEE      10
  97 #define OPT_SOFTNULL    11
  98 #define OPT_TIME        12
  99 #define OPT_STAT        13
 100 #define OPT_LOG         14
 101 #define OPT_CHECK       15
 102 #define OPT_LOAD        16
 103 #define OPT_METHOD      17
 104 #define OPT_SIGNATURE   18
 105 #define OPT_SHOW        19
 106 #define OPT_ALL         20
 107 #define OPT_OLOOP       24
 108 #define OPT_INLINING    25
 109 #define OPT_RT          26
 110 #define OPT_XTA         27
 111 #define OPT_VTA         28
 112
 113
 114 struct {char *name; bool arg; int value;} opts[] = {
 115         {"classpath",   true,   OPT_CLASSPATH},
 116         {"D",           true,   OPT_D},
 117         {"ms",          true,   OPT_MS},
 118         {"mx",          true,   OPT_MX},
 119         {"noasyncgc",   false,  OPT_IGNORE},
 120         {"noverify",    false,  OPT_IGNORE},
 121         {"oss",         true,   OPT_IGNORE},
 122         {"ss",          true,   OPT_IGNORE},
 123         {"v",           false,  OPT_VERBOSE1},
 124         {"verbose",     false,  OPT_VERBOSE},
 125         {"verbosegc",   false,  OPT_VERBOSEGC},
 126         {"verbosecall", false,  OPT_VERBOSECALL},
 127 #if defined(__ALPHA__)
 128         {"noieee",      false,  OPT_NOIEEE},
 129 #endif
 130         {"softnull",    false,  OPT_SOFTNULL},
 131         {"time",        false,  OPT_TIME},
 132         {"stat",        false,  OPT_STAT},
 133         {"log",         true,   OPT_LOG},
 134         {"c",           true,   OPT_CHECK},
 135         {"l",           false,  OPT_LOAD},
 136         {"m",           true,   OPT_METHOD},
 137         {"sig",         true,   OPT_SIGNATURE},
 138         {"s",           true,   OPT_SHOW},
 139         {"all",         false,  OPT_ALL},
 140         {"oloop",       false,  OPT_OLOOP},
 141         {"i",               true,   OPT_INLINING},
 142         {"rt",          false,  OPT_RT},
 143         {"xta",         false,  OPT_XTA},
 144         {"vta",         false,  OPT_VTA},
 145         {NULL,  false, 0}
 146 };
 147
 148 static int opt_ind = 1;
 149 static char *opt_arg;
 150
 151
 152 static int get_opt(int argc, char **argv)
 153 {
 154         char *a;
 155         int i;
 156
 157         if (opt_ind >= argc) return OPT_DONE;
 158
 159         a = argv[opt_ind];
 160         if (a[0] != '-') return OPT_DONE;
 161
 162         for (i = 0; opts[i].name; i++) {
 163                 if (!opts[i].arg) {
 164                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 165                                 opt_ind++;
 166                                 return opts[i].value;
 167                         }
 168
 169                 } else {
 170                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 171                                 opt_ind++;
 172                                 if (opt_ind < argc) {
 173                                         opt_arg = argv[opt_ind];
 174                                         opt_ind++;
 175                                         return opts[i].value;
 176                                 }
 177                                 return OPT_ERROR;
 178
 179                         } else {
 180                                 size_t l = strlen(opts[i].name);
 181                                 if (strlen(a + 1) > l) {
 182                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 183                                                 opt_ind++;
 184                                                 opt_arg = a + 1 + l;
 185                                                 return opts[i].value;
 186                                         }
 187                                 }
 188                         }
 189                 }
 190         } /* end for */
 191
 192         return OPT_ERROR;
 193 }
 194
 195
 196
 197
 198 /******************** interne Function: print_usage ************************
 199
 200 Prints the correct usage syntax to stdout.
 201
 202 ***************************************************************************/
 203
 204 static void print_usage()
 205 {
 206         printf("USAGE: cacao [options] classname [program arguments]\n");
 207         printf("Options:\n");
 208         printf("          -classpath path ...... specify a path to look for classes\n");
 209         printf("          -Dpropertyname=value . add an entry to the property list\n");
 210         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 211         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 212         printf("          -v ................... write state-information\n");
 213         printf("          -verbose ............. write more information\n");
 214         printf("          -verbosegc ........... write message for each GC\n");
 215         printf("          -verbosecall ......... write message for each call\n");
 216 #if defined(__ALPHA__)
 217         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 218 #endif
 219         printf("          -softnull ............ use software nullpointer check\n");
 220         printf("          -time ................ measure the runtime\n");
 221         printf("          -stat ................ detailed compiler statistics\n");
 222         printf("          -log logfile ......... specify a name for the logfile\n");
 223         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 224         printf("                  s(ync) ....... don't check for synchronization\n");
 225         printf("          -oloop ............... optimize array accesses in loops\n");
 226         printf("          -l ................... don't start the class after loading\n");
 227         printf("          -all ................. compile all methods, no execution\n");
 228         printf("          -m ................... compile only a specific method\n");
 229         printf("          -sig ................. specify signature for a specific method\n");
 230         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 231         printf("                 c(onstants) ... show the constant pool\n");
 232         printf("                 d(atasegment).. show data segment listing\n");
 233         printf("                 i(ntermediate). show intermediate representation\n");
 234         printf("                 m(ethods)...... show class fields and methods\n");
 235         printf("                 u(tf) ......... show the utf - hash\n");
 236         printf("          -i     n ............. activate inlining\n");
 237         printf("                 v ............. inline virtual methods\n");
 238         printf("                 e ............. inline methods with exceptions\n");
 239         printf("                 p ............. optimize argument renaming\n");
 240         printf("                 o ............. inline methods of foreign classes\n");
 241         printf("          -rt .................. use rapid type analysis\n");
 242         printf("          -xta ................. use x type analysis\n");
 243         printf("          -vta ................. use variable type analysis\n");
 244 }
 245
 246
 247
 248 /***************************** Function: print_times *********************
 249
 250         Prints a summary of CPU time usage.
 251
 252 **************************************************************************/
 253
 254 static void print_times()
 255 {
 256         long int totaltime = getcputime();
 257         long int runtime = totaltime - loadingtime - compilingtime;
 258
 259         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 260                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 261         dolog();
 262         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 263                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 264         dolog();
 265         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 266                         runtime / 1000000, (runtime % 1000000) / 1000);
 267         dolog();
 268         sprintf(logtext, "Total time: %ld secs, %ld millis",
 269                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 270         dolog();
 271 }
 272
 273
 274
 275
 276
 277
 278 /***************************** Function: print_stats *********************
 279
 280         outputs detailed compiler statistics
 281
 282 **************************************************************************/
 283
 284 static void print_stats()
 285 {
 286         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 287         dolog();
 288         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 289         dolog();
 290         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 291         dolog();
 292         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 293         dolog();
 294         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 295         dolog();
 296         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 297         dolog();
 298         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 299                         count_javacodesize - count_methods * 18);
 300         dolog();
 301         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 302         dolog();
 303         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 304         dolog();
 305         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 306         dolog();
 307         sprintf(logtext, "Number of Spills: %d", count_spills);
 308         dolog();
 309         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 310         dolog();
 311         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 312         dolog();
 313         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 314         dolog();
 315         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 316         dolog();
 317         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 318         dolog();
 319         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 320         dolog();
 321         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 322         dolog();
 323         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 324         dolog();
 325         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 326         dolog();
 327         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 328         dolog();
 329         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 330         dolog();
 331         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 332                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 333         dolog();
 334         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 335         dolog();
 336         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 337                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 338         dolog();
 339         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 340         dolog();
 341         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 342         dolog();
 343         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 344         dolog();
 345         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 346         dolog();
 347         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 348         dolog();
 349         sprintf(logtext, "Distribution of stack sizes at block boundary");
 350         dolog();
 351         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 352         dolog();
 353         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 354                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 355                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 356                         count_block_stack[9], count_block_stack[10]);
 357         dolog();
 358         sprintf(logtext, "Distribution of store stack depth");
 359         dolog();
 360         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 361         dolog();
 362         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 363                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 364                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 365                         count_store_depth[9], count_store_depth[10]);
 366         dolog();
 367         sprintf(logtext, "Distribution of store creator chains first part");
 368         dolog();
 369         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 370         dolog();
 371         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 372                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 373                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 374                         count_store_length[9]);
 375         dolog();
 376         sprintf(logtext, "Distribution of store creator chains second part");
 377         dolog();
 378         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 379         dolog();
 380         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 381                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 382                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 383                         count_store_length[19], count_store_length[20]);
 384         dolog();
 385         sprintf(logtext, "Distribution of analysis iterations");
 386         dolog();
 387         sprintf(logtext, "    1    2    3    4    >=5");
 388         dolog();
 389         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 390                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 391         dolog();
 392         sprintf(logtext, "Distribution of basic blocks per method");
 393         dolog();
 394         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 395         dolog();
 396         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 397                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 398                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 399                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 400         dolog();
 401         sprintf(logtext, "Distribution of basic block sizes");
 402         dolog();
 403         sprintf(logtext,
 404                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 405         dolog();
 406         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 407                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 408                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 409                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 410                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 411                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 412                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 413         dolog();
 414         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 415         dolog();
 416         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 417         dolog();
 418         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 419         dolog();
 420         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 421         dolog();
 422         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 423         dolog();
 424         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 425         dolog();
 426         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 427         dolog();
 428         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 429         dolog();
 430         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 431                         count_vmcode_len - 18 * count_all_methods);
 432         dolog();
 433         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 434         dolog();
 435         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 436         dolog();
 437         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 438         dolog();
 439         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 440         dolog();
 441
 442         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 443         dolog();
 444         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 445         dolog();
 446 }
 447
 448
 449
 450 /********** Function: class_compile_methods   (debugging only) ********/
 451
 452 void class_compile_methods ()
 453 {
 454         int        i;
 455         classinfo  *c;
 456         methodinfo *m;
 457
 458         c = list_first (&linkedclasses);
 459         while (c) {
 460                 for (i = 0; i < c -> methodscount; i++) {
 461                         m = &(c->methods[i]);
 462                         if (m->jcode) {
 463                                 (void) jit_compile(m);
 464                         }
 465                 }
 466                 c = list_next (&linkedclasses, c);
 467         }
 468 }
 469
 470
 471
 472 /*
 473  * void exit_handler(void)
 474  * -----------------------
 475  * The exit_handler function is called upon program termination to shutdown
 476  * the various subsystems and release the resources allocated to the VM.
 477  */
 478 void exit_handler(void)
 479 {
 480         /********************* Print debug tables ************************/
 481
 482         if (showmethods) class_showmethods(topclass);
 483         if (showconstantpool)  class_showconstantpool(topclass);
 484         if (showutf)           utf_show();
 485
 486 #ifdef USE_THREADS
 487         clear_thread_flags();           /* restores standard file descriptor
 488                                        flags */
 489 #endif
 490
 491         /************************ Free all resources *******************/
 492
 493         heap_close();               /* must be called before compiler_close and
 494                                        loader_close because finalization occurs
 495                                        here */
 496
 497         loader_close();
 498         tables_close(literalstring_free);
 499
 500         if (verbose || getcompilingtime || statistics) {
 501                 log_text ("CACAO terminated");
 502                 if (statistics)
 503                         print_stats();
 504                 if (getcompilingtime)
 505                         print_times();
 506                 mem_usagelog(1);
 507         }
 508 }
 509
 510
 511
 512 /************************** Function: main *******************************
 513
 514    The main program.
 515
 516 **************************************************************************/
 517
 518 int main(int argc, char **argv)
 519 {
 520         s4 i,j;
 521         char *cp;
 522         java_objectheader *local_exceptionptr = 0;
 523         void *dummy;
 524
 525         /********** interne (nur fuer main relevante Optionen) **************/
 526
 527         char logfilename[200] = "";
 528         u4 heapsize = 64000000;
 529         u4 heapstartsize = 200000;
 530         char classpath[500] = ".:/usr/local/lib/java/classes";
 531         bool startit = true;
 532         char *specificmethodname = NULL;
 533         char *specificsignature = NULL;
 534
 535 #ifndef USE_THREADS
 536         stackbottom = &dummy;
 537 #endif
 538
 539         if (0 != atexit(exit_handler))
 540                 panic("unable to register exit_handler");
 541
 542         /************ Collect info from the environment ************************/
 543
 544         cp = getenv("CLASSPATH");
 545         if (cp) {
 546                 strcpy(classpath, cp);
 547         }
 548
 549         /***************** Interpret the command line *****************/
 550
 551         checknull = false;
 552         opt_noieee = false;
 553
 554         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 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;
 566                                 int l = strlen(opt_arg);
 567                                 for (n = 0; n < l; n++) {
 568                                         if (opt_arg[n]=='=') {
 569                                                 opt_arg[n] = '\0';
 570                                                 attach_property(opt_arg, opt_arg + n + 1);
 571                                                 goto didit;
 572                                         }
 573                                 }
 574                                 print_usage();
 575                                 exit(10);
 576
 577                         didit: ;
 578                         }
 579                         break;
 580
 581                 case OPT_MS:
 582                 case OPT_MX:
 583                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 584                                 j = 1024 * atoi(opt_arg);
 585                         }
 586                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 587                                 j = 1024 * 1024 * atoi(opt_arg);
 588                         }
 589                         else j = atoi(opt_arg);
 590
 591                         if (i == OPT_MX) heapsize = j;
 592                         else heapstartsize = j;
 593                         break;
 594
 595                 case OPT_VERBOSE1:
 596                         verbose = true;
 597                         break;
 598
 599                 case OPT_VERBOSE:
 600                         verbose = true;
 601                         loadverbose = true;
 602                         initverbose = true;
 603                         compileverbose = true;
 604                         break;
 605
 606                 case OPT_VERBOSEGC:
 607                         collectverbose = true;
 608                         break;
 609
 610                 case OPT_VERBOSECALL:
 611                         runverbose = true;
 612                         break;
 613
 614                 case OPT_NOIEEE:
 615                         opt_noieee = true;
 616                         break;
 617
 618                 case OPT_SOFTNULL:
 619                         checknull = true;
 620                         break;
 621
 622                 case OPT_TIME:
 623                         getcompilingtime = true;
 624                         getloadingtime = true;
 625                         break;
 626
 627                 case OPT_STAT:
 628                         statistics = true;
 629                         break;
 630
 631                 case OPT_LOG:
 632                         strcpy(logfilename, opt_arg);
 633                         break;
 634
 635                 case OPT_CHECK:
 636                         for (j = 0; j < strlen(opt_arg); j++) {
 637                                 switch (opt_arg[j]) {
 638                                 case 'b':
 639                                         checkbounds = false;
 640                                         break;
 641                                 case 's':
 642                                         checksync = false;
 643                                         break;
 644                                 default:
 645                                         print_usage();
 646                                         exit(10);
 647                                 }
 648                         }
 649                         break;
 650
 651                 case OPT_LOAD:
 652                         startit = false;
 653                         makeinitializations = false;
 654                         break;
 655
 656                 case OPT_METHOD:
 657                         startit = false;
 658                         specificmethodname = opt_arg;
 659                         makeinitializations = false;
 660                         break;
 661
 662                 case OPT_SIGNATURE:
 663                         specificsignature = opt_arg;
 664                         break;
 665
 666                 case OPT_ALL:
 667                         compileall = true;
 668                         startit = false;
 669                         makeinitializations = false;
 670                         break;
 671
 672                 case OPT_SHOW:       /* Display options */
 673                         for (j = 0; j < strlen(opt_arg); j++) {
 674                                 switch (opt_arg[j]) {
 675                                 case 'a':
 676                                         showdisassemble = true;
 677                                         compileverbose=true;
 678                                         break;
 679                                 case 'c':
 680                                         showconstantpool = true;
 681                                         break;
 682                                 case 'd':
 683                                         showddatasegment = true;
 684                                         break;
 685                                 case 'i':
 686                                         showintermediate = true;
 687                                         compileverbose = true;
 688                                         break;
 689                                 case 'm':
 690                                         showmethods = true;
 691                                         break;
 692                                 case 'u':
 693                                         showutf = true;
 694                                         break;
 695                                 default:
 696                                         print_usage();
 697                                         exit(10);
 698                                 }
 699                         }
 700                         break;
 701
 702                 case OPT_OLOOP:
 703                         opt_loops = true;
 704                         break;
 705
 706                 case OPT_INLINING:
 707                         for (j = 0; j < strlen(opt_arg); j++) {
 708                                 switch (opt_arg[j]) {
 709                                 case 'n':
 710                                         useinlining = true;
 711                                         break;
 712                                 case 'v':
 713                                         inlinevirtuals = true;
 714                                         break;
 715                                 case 'e':
 716                                         inlineexceptions = true;
 717                                         break;
 718                                 case 'p':
 719                                         inlineparamopt = true;
 720                                         break;
 721                                 case 'o':
 722                                         inlineoutsiders = true;
 723                                         break;
 724                                 default:
 725                                         print_usage();
 726                                         exit(10);
 727                                 }
 728                         }
 729                         break;
 730
 731                 case OPT_RT:
 732                         opt_rt = true;
 733                         break;
 734
 735                 case OPT_XTA:
 736                         opt_xta = false; /**not yet **/
 737                         break;
 738
 739                 case OPT_VTA:
 740                         /***opt_vta = true; not yet **/
 741                         break;
 742
 743                 default:
 744                         print_usage();
 745                         exit(10);
 746                 }
 747         }
 748
 749
 750         if (opt_ind >= argc) {
 751                 print_usage();
 752                 exit(10);
 753         }
 754
 755
 756         /**************************** Program start *****************************/
 757
 758         log_init(logfilename);
 759         if (verbose) {
 760                 log_text("CACAO started -------------------------------------------------------");
 761         }
 762
 763         suck_init(classpath);
 764         native_setclasspath(classpath);
 765
 766         tables_init();
 767         heap_init(heapsize, heapstartsize, &dummy);
 768         jit_init();
 769         loader_init();
 770
 771         native_loadclasses();
 772
 773
 774         /*********************** Load JAVA classes  ***************************/
 775
 776         cp = argv[opt_ind++];
 777         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 778                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 779         }
 780
 781         topclass = loader_load(utf_new_char(cp));
 782
 783         if (exceptionptr != 0) {
 784                 printf("#### Class loader has thrown: ");
 785                 utf_display(exceptionptr->vftbl->class->name);
 786                 printf("\n");
 787
 788                 exceptionptr = 0;
 789         }
 790
 791         if (topclass == 0) {
 792                 printf("#### Could not find top class - exiting\n");
 793                 exit(1);
 794         }
 795
 796         gc_init();
 797
 798 #ifdef USE_THREADS
 799         initThreads((u1*) &dummy);                   /* schani */
 800 #endif
 801
 802         /************************* Start worker routines ********************/
 803
 804         if (startit) {
 805                 methodinfo *mainmethod;
 806                 java_objectarray *a;
 807
 808                 heap_addreference((void**) &a);
 809
 810                 mainmethod = class_findmethod (
 811                                                                            topclass,
 812                                                                            utf_new_char ("main"),
 813                                                                            utf_new_char ("([Ljava/lang/String;)V")
 814                                                                            );
 815                 if (!mainmethod) panic("Can not find method 'void main(String[])'");
 816                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic("main is not static!");
 817
 818                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 819                 for (i = opt_ind; i < argc; i++) {
 820                         a->data[i - opt_ind] = javastring_new(utf_new_char(argv[i]));
 821                 }
 822                 local_exceptionptr = asm_calljavamethod(mainmethod, a, NULL, NULL, NULL);
 823
 824                 if (local_exceptionptr) {
 825                         printf("Exception in thread \"main\" ");
 826                         utf_display(local_exceptionptr->vftbl->class->name);
 827                         printf("\n");
 828                 }
 829                 /*---RTAprint---*/
 830
 831 #ifdef USE_THREADS
 832                 killThread(currentThread);
 833 #endif
 834                 fprintf(stderr, "still here\n");
 835         }
 836
 837         /************* If requested, compile all methods ********************/
 838
 839         if (compileall) {
 840                 class_compile_methods();
 841         }
 842
 843
 844         /******** If requested, compile a specific method ***************/
 845
 846         if (specificmethodname) {
 847                 methodinfo *m;
 848                 if (specificsignature)
 849                         m = class_findmethod(topclass,
 850                                                                  utf_new_char(specificmethodname),
 851                                                                  utf_new_char(specificsignature));
 852                 else
 853                         m = class_findmethod(topclass,
 854                                                                  utf_new_char(specificmethodname), NULL);
 855                 if (!m) panic ("Specific method not found");
 856                 (void) jit_compile(m);
 857         }
 858
 859         exit(0);
 860 }
 861
 862
 863
 864 /************************************ Shutdown function *********************************
 865
 866         Terminates the system immediately without freeing memory explicitly (to be
 867         used only for abnormal termination)
 868
 869 *****************************************************************************************/
 870
 871 void cacao_shutdown(s4 status)
 872 {
 873         /**** RTAprint ***/
 874
 875         if (verbose || getcompilingtime || statistics) {
 876                 log_text ("CACAO terminated by shutdown");
 877                 if (statistics)
 878                         print_stats();
 879                 if (getcompilingtime)
 880                         print_times();
 881                 mem_usagelog(0);
 882                 sprintf(logtext, "Exit status: %d\n", (int) status);
 883                 dolog();
 884         }
 885
 886         exit(status);
 887 }
 888
 889
 890 /*
 891  * These are local overrides for various environment variables in Emacs.
 892  * Please do not remove this and leave it at the end of the file, where
 893  * Emacs will automagically detect them.
 894  * ---------------------------------------------------------------------
 895  * Local variables:
 896  * mode: c
 897  * indent-tabs-mode: t
 898  * c-basic-offset: 4
 899  * tab-width: 4
 900  * End:
 901  */