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 557 2003-11-02 22:51:59Z twisti $
  41
  42 */
  43
  44
  45 #include <stdlib.h>
  46 #include "global.h"
  47 #include "tables.h"
  48 #include "loader.h"
  49 #include "jit.h"
  50 #include "asmpart.h"
  51 #include "builtin.h"
  52 #include "native.h"
  53 #include "threads/thread.h"
  54 #include "toolbox/loging.h"
  55 #include "parseRTstats.h"
  56
  57
  58 bool compileall = false;
  59 bool verbose =  false;
  60
  61 static bool showmethods = false;
  62 static bool showconstantpool = false;
  63 static bool showutf = false;
  64 static classinfo *topclass;
  65
  66 #ifndef USE_THREADS
  67 void **stackbottom = 0;
  68 #endif
  69
  70
  71 /* internal function: get_opt *************************************************
  72
  73         decodes the next command line option
  74
  75 ******************************************************************************/
  76
  77 #define OPT_DONE       -1
  78 #define OPT_ERROR       0
  79 #define OPT_IGNORE      1
  80
  81 #define OPT_CLASSPATH   2
  82 #define OPT_D           3
  83 #define OPT_MS          4
  84 #define OPT_MX          5
  85 #define OPT_VERBOSE1    6
  86 #define OPT_VERBOSE     7
  87 #define OPT_VERBOSEGC   8
  88 #define OPT_VERBOSECALL 9
  89 #define OPT_NOIEEE      10
  90 #define OPT_SOFTNULL    11
  91 #define OPT_TIME        12
  92 #define OPT_STAT        13
  93 #define OPT_LOG         14
  94 #define OPT_CHECK       15
  95 #define OPT_LOAD        16
  96 #define OPT_METHOD      17
  97 #define OPT_SIGNATURE   18
  98 #define OPT_SHOW        19
  99 #define OPT_ALL         20
 100 #define OPT_OLOOP       24
 101 #define OPT_INLINING    25
 102 #define OPT_RT          26
 103 #define OPT_XTA         27
 104 #define OPT_VTA         28
 105
 106
 107 struct {char *name; bool arg; int value;} opts[] = {
 108         {"classpath",   true,   OPT_CLASSPATH},
 109         {"D",           true,   OPT_D},
 110         {"ms",          true,   OPT_MS},
 111         {"mx",          true,   OPT_MX},
 112         {"noasyncgc",   false,  OPT_IGNORE},
 113         {"noverify",    false,  OPT_IGNORE},
 114         {"oss",         true,   OPT_IGNORE},
 115         {"ss",          true,   OPT_IGNORE},
 116         {"v",           false,  OPT_VERBOSE1},
 117         {"verbose",     false,  OPT_VERBOSE},
 118         {"verbosegc",   false,  OPT_VERBOSEGC},
 119         {"verbosecall", false,  OPT_VERBOSECALL},
 120         {"noieee",      false,  OPT_NOIEEE},
 121         {"softnull",    false,  OPT_SOFTNULL},
 122         {"time",        false,  OPT_TIME},
 123         {"stat",        false,  OPT_STAT},
 124         {"log",         true,   OPT_LOG},
 125         {"c",           true,   OPT_CHECK},
 126         {"l",           false,  OPT_LOAD},
 127         {"m",           true,   OPT_METHOD},
 128         {"sig",         true,   OPT_SIGNATURE},
 129         {"s",           true,   OPT_SHOW},
 130         {"all",         false,  OPT_ALL},
 131         {"oloop",       false,  OPT_OLOOP},
 132         {"i",               true,   OPT_INLINING},
 133         {"rt",          false,  OPT_RT},
 134         {"xta",         false,  OPT_XTA},
 135         {"vta",         false,  OPT_VTA},
 136         {NULL,  false, 0}
 137 };
 138
 139 static int opt_ind = 1;
 140 static char *opt_arg;
 141
 142 static int get_opt (int argc, char **argv)
 143 {
 144         char *a;
 145         int i;
 146
 147         if (opt_ind >= argc) return OPT_DONE;
 148
 149         a = argv[opt_ind];
 150         if (a[0] != '-') return OPT_DONE;
 151
 152         for (i=0; opts[i].name; i++) {
 153                 if (! opts[i].arg) {
 154                         if (strcmp(a+1, opts[i].name) == 0) {  /* boolean option found */
 155                                 opt_ind++;
 156                                 return opts[i].value;
 157                         }
 158                 }
 159                 else {
 160                         if (strcmp(a+1, opts[i].name) == 0) { /* parameter option found */
 161                                 opt_ind++;
 162                                 if (opt_ind < argc) {
 163                                         opt_arg = argv[opt_ind];
 164                                         opt_ind++;
 165                                         return opts[i].value;
 166                                 }
 167                                 return OPT_ERROR;
 168                         }
 169                         else {
 170                                 size_t l = strlen(opts[i].name);
 171                                 if (strlen(a+1) > l) {
 172                                         if (memcmp (a+1, opts[i].name, l)==0) {
 173                                                 opt_ind++;
 174                                                 opt_arg = a+1+l;
 175                                                 return opts[i].value;
 176                                         }
 177                                 }
 178                         }
 179                 }
 180         } /* end for */
 181
 182         return OPT_ERROR;
 183 }
 184
 185
 186
 187
 188 /******************** interne Function: print_usage ************************
 189
 190 Prints the correct usage syntax to stdout.
 191
 192 ***************************************************************************/
 193
 194 static void print_usage()
 195 {
 196         printf("USAGE: cacao [options] classname [program arguments]\n");
 197         printf("Options:\n");
 198         printf("          -classpath path ...... specify a path to look for classes\n");
 199         printf("          -Dpropertyname=value . add an entry to the property list\n");
 200         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 201         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 202         printf("          -v ................... write state-information\n");
 203         printf("          -verbose ............. write more information\n");
 204         printf("          -verbosegc ........... write message for each GC\n");
 205         printf("          -verbosecall ......... write message for each call\n");
 206 #if defined(__ALPHA__)
 207         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 208 #endif
 209         printf("          -softnull ............ use software nullpointer check\n");
 210         printf("          -time ................ measure the runtime\n");
 211         printf("          -stat ................ detailed compiler statistics\n");
 212         printf("          -log logfile ......... specify a name for the logfile\n");
 213         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 214         printf("                  s(ync) ....... don't check for synchronization\n");
 215         printf("          -oloop ............... optimize array accesses in loops\n");
 216         printf("          -l ................... don't start the class after loading\n");
 217         printf("          -all ................. compile all methods, no execution\n");
 218         printf("          -m ................... compile only a specific method\n");
 219         printf("          -sig ................. specify signature for a specific method\n");
 220         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 221         printf("                 c(onstants) ... show the constant pool\n");
 222         printf("                 d(atasegment).. show data segment listing\n");
 223         printf("                 i(ntermediate). show intermediate representation\n");
 224         printf("                 m(ethods)...... show class fields and methods\n");
 225         printf("                 u(tf) ......... show the utf - hash\n");
 226         printf("          -i     n ............. activate inlining\n");
 227         printf("                 v ............. inline virtual methods\n");
 228         printf("                 e ............. inline methods with exceptions\n");
 229         printf("                 p ............. optimize argument renaming\n");
 230         printf("                 o ............. inline methods of foreign classes\n");
 231         printf("          -rt .................. use rapid type analysis\n");
 232         printf("          -xta ................. use x type analysis\n");
 233         printf("          -vta ................. use variable type analysis\n");
 234 }
 235
 236
 237
 238 /***************************** Function: print_times *********************
 239
 240         Prints a summary of CPU time usage.
 241
 242 **************************************************************************/
 243
 244 static void print_times()
 245 {
 246         long int totaltime = getcputime();
 247         long int runtime = totaltime - loadingtime - compilingtime;
 248
 249         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 250                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 251         dolog();
 252         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 253                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 254         dolog();
 255         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 256                         runtime / 1000000, (runtime % 1000000) / 1000);
 257         dolog();
 258         sprintf(logtext, "Total time: %ld secs, %ld millis",
 259                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 260         dolog();
 261 }
 262
 263
 264
 265
 266
 267
 268 /***************************** Function: print_stats *********************
 269
 270         outputs detailed compiler statistics
 271
 272 **************************************************************************/
 273
 274 static void print_stats()
 275 {
 276         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 277         dolog();
 278         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 279         dolog();
 280         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 281         dolog();
 282         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 283         dolog();
 284         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 285         dolog();
 286         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 287         dolog();
 288         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 289                         count_javacodesize - count_methods * 18);
 290         dolog();
 291         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 292         dolog();
 293         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 294         dolog();
 295         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 296         dolog();
 297         sprintf(logtext, "Number of Spills: %d", count_spills);
 298         dolog();
 299         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 300         dolog();
 301         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 302         dolog();
 303         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 304         dolog();
 305         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 306         dolog();
 307         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 308         dolog();
 309         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 310         dolog();
 311         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 312         dolog();
 313         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 314         dolog();
 315         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 316         dolog();
 317         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 318         dolog();
 319         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 320         dolog();
 321         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 322                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 323         dolog();
 324         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 325         dolog();
 326         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 327                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 328         dolog();
 329         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 330         dolog();
 331         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 332         dolog();
 333         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 334         dolog();
 335         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 336         dolog();
 337         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 338         dolog();
 339         sprintf(logtext, "Distribution of stack sizes at block boundary");
 340         dolog();
 341         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 342         dolog();
 343         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 344                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 345                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 346                         count_block_stack[9], count_block_stack[10]);
 347         dolog();
 348         sprintf(logtext, "Distribution of store stack depth");
 349         dolog();
 350         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 351         dolog();
 352         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 353                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 354                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 355                         count_store_depth[9], count_store_depth[10]);
 356         dolog();
 357         sprintf(logtext, "Distribution of store creator chains first part");
 358         dolog();
 359         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 360         dolog();
 361         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 362                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 363                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 364                         count_store_length[9]);
 365         dolog();
 366         sprintf(logtext, "Distribution of store creator chains second part");
 367         dolog();
 368         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 369         dolog();
 370         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 371                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 372                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 373                         count_store_length[19], count_store_length[20]);
 374         dolog();
 375         sprintf(logtext, "Distribution of analysis iterations");
 376         dolog();
 377         sprintf(logtext, "    1    2    3    4    >=5");
 378         dolog();
 379         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 380                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 381         dolog();
 382         sprintf(logtext, "Distribution of basic blocks per method");
 383         dolog();
 384         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 385         dolog();
 386         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 387                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 388                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 389                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 390         dolog();
 391         sprintf(logtext, "Distribution of basic block sizes");
 392         dolog();
 393         sprintf(logtext,
 394                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 395         dolog();
 396         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 397                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 398                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 399                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 400                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 401                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 402                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 403         dolog();
 404         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 405         dolog();
 406         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 407         dolog();
 408         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 409         dolog();
 410         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 411         dolog();
 412         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 413         dolog();
 414         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 415         dolog();
 416         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 417         dolog();
 418         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 419         dolog();
 420         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 421                         count_vmcode_len - 18 * count_all_methods);
 422         dolog();
 423         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 424         dolog();
 425         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 426         dolog();
 427         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 428         dolog();
 429         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 430         dolog();
 431
 432         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 433         dolog();
 434         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 435         dolog();
 436 }
 437
 438
 439
 440 /********** Function: class_compile_methods   (debugging only) ********/
 441
 442 void class_compile_methods ()
 443 {
 444         int        i;
 445         classinfo  *c;
 446         methodinfo *m;
 447
 448         c = list_first (&linkedclasses);
 449         while (c) {
 450                 for (i = 0; i < c -> methodscount; i++) {
 451                         m = &(c->methods[i]);
 452                         if (m->jcode) {
 453                                 (void) jit_compile(m);
 454                         }
 455                 }
 456                 c = list_next (&linkedclasses, c);
 457         }
 458 }
 459
 460
 461
 462 /*
 463  * void exit_handler(void)
 464  * -----------------------
 465  * The exit_handler function is called upon program termination to shutdown
 466  * the various subsystems and release the resources allocated to the VM.
 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         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
 501
 502 /************************** Function: main *******************************
 503
 504    The main program.
 505
 506 **************************************************************************/
 507
 508 int main(int argc, char **argv)
 509 {
 510         s4 i,j;
 511         char *cp;
 512         java_objectheader *local_exceptionptr = 0;
 513         void *dummy;
 514
 515         /********** interne (nur fuer main relevante Optionen) **************/
 516
 517         char logfilename[200] = "";
 518         u4 heapsize = 64000000;
 519         u4 heapstartsize = 200000;
 520         char classpath[500] = ".:/usr/local/lib/java/classes";
 521         bool startit = true;
 522         char *specificmethodname = NULL;
 523         char *specificsignature = NULL;
 524
 525 #ifndef USE_THREADS
 526         stackbottom = &dummy;
 527 #endif
 528
 529         if (0 != atexit(exit_handler))
 530                 panic("unable to register exit_handler");
 531
 532         /************ Collect info from the environment ************************/
 533
 534         cp = getenv("CLASSPATH");
 535         if (cp) {
 536                 strcpy(classpath, cp);
 537         }
 538
 539         /***************** Interpret the command line *****************/
 540
 541         checknull = false;
 542         opt_noieee = false;
 543
 544         while ((i = get_opt(argc,argv)) != OPT_DONE) {
 545                 switch (i) {
 546                 case OPT_IGNORE: break;
 547
 548                 case OPT_CLASSPATH:
 549                         strcpy (classpath + strlen(classpath), ":");
 550                         strcpy (classpath + strlen(classpath), opt_arg);
 551                         break;
 552
 553                 case OPT_D:
 554                         {
 555                                 int n;
 556                                 int l = strlen(opt_arg);
 557                                 for (n = 0; n < l; n++) {
 558                                         if (opt_arg[n]=='=') {
 559                                                 opt_arg[n] = '\0';
 560                                                 attach_property(opt_arg, opt_arg + n + 1);
 561                                                 goto didit;
 562                                         }
 563                                 }
 564                                 print_usage();
 565                                 exit(10);
 566
 567                         didit: ;
 568                         }
 569                         break;
 570
 571                 case OPT_MS:
 572                 case OPT_MX:
 573                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 574                                 j = 1024 * atoi(opt_arg);
 575                         }
 576                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 577                                 j = 1024 * 1024 * atoi(opt_arg);
 578                         }
 579                         else j = atoi(opt_arg);
 580
 581                         if (i == OPT_MX) heapsize = j;
 582                         else heapstartsize = j;
 583                         break;
 584
 585                 case OPT_VERBOSE1:
 586                         verbose = true;
 587                         break;
 588
 589                 case OPT_VERBOSE:
 590                         verbose = true;
 591                         loadverbose = true;
 592                         initverbose = true;
 593                         compileverbose = true;
 594                         break;
 595
 596                 case OPT_VERBOSEGC:
 597                         collectverbose = true;
 598                         break;
 599
 600                 case OPT_VERBOSECALL:
 601                         runverbose = true;
 602                         break;
 603
 604                 case OPT_NOIEEE:
 605                         opt_noieee = true;
 606                         break;
 607
 608                 case OPT_SOFTNULL:
 609                         checknull = true;
 610                         break;
 611
 612                 case OPT_TIME:
 613                         getcompilingtime = true;
 614                         getloadingtime = true;
 615                         break;
 616
 617                 case OPT_STAT:
 618                         statistics = true;
 619                         break;
 620
 621                 case OPT_LOG:
 622                         strcpy(logfilename, opt_arg);
 623                         break;
 624
 625                 case OPT_CHECK:
 626                         for (j = 0; j < strlen(opt_arg); j++) {
 627                                 switch (opt_arg[j]) {
 628                                 case 'b':
 629                                         checkbounds = false;
 630                                         break;
 631                                 case 's':
 632                                         checksync = false;
 633                                         break;
 634                                 default:
 635                                         print_usage();
 636                                         exit(10);
 637                                 }
 638                         }
 639                         break;
 640
 641                 case OPT_LOAD:
 642                         startit = false;
 643                         makeinitializations = false;
 644                         break;
 645
 646                 case OPT_METHOD:
 647                         startit = false;
 648                         specificmethodname = opt_arg;
 649                         makeinitializations = false;
 650                         break;
 651
 652                 case OPT_SIGNATURE:
 653                         specificsignature = opt_arg;
 654                         break;
 655
 656                 case OPT_ALL:
 657                         compileall = true;
 658                         startit = false;
 659                         makeinitializations = false;
 660                         break;
 661
 662                 case OPT_SHOW:       /* Display options */
 663                         for (j = 0; j < strlen(opt_arg); j++) {
 664                                 switch (opt_arg[j]) {
 665                                 case 'a':
 666                                         showdisassemble = true;
 667                                         compileverbose=true;
 668                                         break;
 669                                 case 'c':
 670                                         showconstantpool = true;
 671                                         break;
 672                                 case 'd':
 673                                         showddatasegment = true;
 674                                         break;
 675                                 case 'i':
 676                                         showintermediate = true;
 677                                         compileverbose = true;
 678                                         break;
 679                                 case 'm':
 680                                         showmethods = true;
 681                                         break;
 682                                 case 'u':
 683                                         showutf = true;
 684                                         break;
 685                                 default:
 686                                         print_usage();
 687                                         exit(10);
 688                                 }
 689                         }
 690                         break;
 691
 692                 case OPT_OLOOP:
 693                         opt_loops = true;
 694                         break;
 695
 696                 case OPT_INLINING:
 697                         for (j = 0; j < strlen(opt_arg); j++) {
 698                                 switch (opt_arg[j]) {
 699                                 case 'n':
 700                                         useinlining = true;
 701                                         break;
 702                                 case 'v':
 703                                         inlinevirtuals = true;
 704                                         break;
 705                                 case 'e':
 706                                         inlineexceptions = true;
 707                                         break;
 708                                 case 'p':
 709                                         inlineparamopt = true;
 710                                         break;
 711                                 case 'o':
 712                                         inlineoutsiders = true;
 713                                         break;
 714                                 default:
 715                                         print_usage();
 716                                         exit(10);
 717                                 }
 718                         }
 719                         break;
 720
 721                 case OPT_RT:
 722                         opt_rt = true;
 723                         break;
 724
 725                 case OPT_XTA:
 726                         /***opt_xta = true; not yet **/
 727                         break;
 728
 729                 case OPT_VTA:
 730                         /***opt_vta = true; not yet **/
 731                         break;
 732
 733                 default:
 734                         print_usage();
 735                         exit(10);
 736                 }
 737         }
 738
 739
 740         if (opt_ind >= argc) {
 741                 print_usage();
 742                 exit(10);
 743         }
 744
 745
 746         /**************************** Program start *****************************/
 747
 748         log_init(logfilename);
 749         if (verbose) {
 750                 log_text("CACAO started -------------------------------------------------------");
 751         }
 752
 753         suck_init(classpath);
 754         native_setclasspath(classpath);
 755
 756         tables_init();
 757         heap_init(heapsize, heapstartsize, &dummy);
 758         jit_init();
 759         loader_init();
 760
 761         native_loadclasses();
 762
 763
 764         /*********************** Load JAVA classes  ***************************/
 765
 766         cp = argv[opt_ind++];
 767         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 768                 if (cp[i] == '.') cp[i] = '/';        /* in the class name */
 769         }
 770
 771         topclass = loader_load( utf_new_char (cp) );
 772
 773         if (exceptionptr != 0) {
 774                 printf("#### Class loader has thrown: ");
 775                 utf_display(exceptionptr->vftbl->class->name);
 776                 printf("\n");
 777
 778                 exceptionptr = 0;
 779         }
 780
 781         if (topclass == 0) {
 782                 printf("#### Could not find top class - exiting\n");
 783                 exit(1);
 784         }
 785
 786         gc_init();
 787
 788 #ifdef USE_THREADS
 789         initThreads((u1*) &dummy);                   /* schani */
 790 #endif
 791
 792         /************************* Start worker routines ********************/
 793
 794         if (startit) {
 795                 methodinfo *mainmethod;
 796                 java_objectarray *a;
 797
 798                 heap_addreference((void**) &a);
 799
 800                 mainmethod = class_findmethod (
 801                                                                            topclass,
 802                                                                            utf_new_char ("main"),
 803                                                                            utf_new_char ("([Ljava/lang/String;)V")
 804                                                                            );
 805                 if (!mainmethod) panic("Can not find method 'void main(String[])'");
 806                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic("main is not static!");
 807
 808                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 809                 for (i = opt_ind; i < argc; i++) {
 810                         a->data[i - opt_ind] = javastring_new(utf_new_char(argv[i]));
 811                 }
 812                 local_exceptionptr = asm_calljavamethod(mainmethod, a, NULL, NULL, NULL);
 813
 814                 if (local_exceptionptr) {
 815                         printf("#### Program has thrown: ");
 816                         utf_display(local_exceptionptr->vftbl->class->name);
 817                         printf("\n");
 818                 }
 819                 /*RTAprint*/ if ((pCallgraph >= 1) && (opt_rt)) {
 820                         /*RTAprint*/    printCallgraph (); }
 821
 822                 /*RTprint*/ if ((pClassHeir >= 1) && (opt_rt)) {
 823                         /*RTprint*/     printf("Last RTA Info -");
 824                         /*RTprint*/     printRThierarchyInfo(mainmethod);
 825                         /*RTprint*/     }
 826                 /*RTprint*/     printObjectClassHeirarchy1( );
 827
 828
 829 #ifdef USE_THREADS
 830                 killThread(currentThread);
 831 #endif
 832                 fprintf(stderr, "still here\n");
 833         }
 834
 835         /************* If requested, compile all methods ********************/
 836
 837         if (compileall) {
 838                 class_compile_methods();
 839         }
 840
 841
 842         /******** If requested, compile a specific method ***************/
 843
 844         if (specificmethodname) {
 845                 methodinfo *m;
 846                 if (specificsignature)
 847                         m = class_findmethod(topclass,
 848                                                                  utf_new_char(specificmethodname),
 849                                                                  utf_new_char(specificsignature));
 850                 else
 851                         m = class_findmethod(topclass,
 852                                                                  utf_new_char(specificmethodname), NULL);
 853                 if (!m) panic ("Specific method not found");
 854                 (void) jit_compile(m);
 855         }
 856
 857         exit(0);
 858 }
 859
 860
 861
 862 /************************************ Shutdown function *********************************
 863
 864         Terminates the system immediately without freeing memory explicitly (to be
 865         used only for abnormal termination)
 866
 867 *****************************************************************************************/
 868
 869 void cacao_shutdown(s4 status)
 870 {
 871         if ((pCallgraph >= 1) && (opt_rt)) {
 872                 printCallgraph(NULL);
 873         }
 874
 875         if ((pClassHeir >= 1) && (opt_rt)) {
 876                 printf("RTA Information -");
 877                 printRThierarchyInfo(NULL);
 878         }
 879
 880         if (verbose || getcompilingtime || statistics) {
 881                 log_text ("CACAO terminated by shutdown");
 882                 if (statistics)
 883                         print_stats();
 884                 if (getcompilingtime)
 885                         print_times();
 886                 mem_usagelog(0);
 887                 sprintf(logtext, "Exit status: %d\n", (int) status);
 888                 dolog();
 889         }
 890
 891         exit(status);
 892 }
 893
 894
 895 /*
 896  * These are local overrides for various environment variables in Emacs.
 897  * Please do not remove this and leave it at the end of the file, where
 898  * Emacs will automagically detect them.
 899  * ---------------------------------------------------------------------
 900  * Local variables:
 901  * mode: c
 902  * indent-tabs-mode: t
 903  * c-basic-offset: 4
 904  * tab-width: 4
 905  * End:
 906  */