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 689 2003-12-05 18:03:47Z stefan $
  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 #include "typeinfo.h" /* XXX remove debug */
  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         char logtext[MAXLOGTEXT];
 259
 260         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 261                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 262         dolog(logtext);
 263         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 264                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 265         dolog(logtext);
 266         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 267                         runtime / 1000000, (runtime % 1000000) / 1000);
 268         dolog(logtext);
 269         sprintf(logtext, "Total time: %ld secs, %ld millis",
 270                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 271         dolog(logtext);
 272 }
 273
 274
 275
 276
 277
 278
 279 /***************************** Function: print_stats *********************
 280
 281         outputs detailed compiler statistics
 282
 283 **************************************************************************/
 284
 285 static void print_stats()
 286 {
 287         char logtext[MAXLOGTEXT];
 288
 289         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 290         dolog(logtext);
 291         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 292         dolog(logtext);
 293         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 294         dolog(logtext);
 295         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 296         dolog(logtext);
 297         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 298         dolog(logtext);
 299         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 300         dolog(logtext);
 301         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 302                         count_javacodesize - count_methods * 18);
 303         dolog(logtext);
 304         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 305         dolog(logtext);
 306         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 307         dolog(logtext);
 308         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 309         dolog(logtext);
 310         sprintf(logtext, "Number of Spills: %d", count_spills);
 311         dolog(logtext);
 312         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 313         dolog(logtext);
 314         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 315         dolog(logtext);
 316         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 317         dolog(logtext);
 318         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 319         dolog(logtext);
 320         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 321         dolog(logtext);
 322         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 323         dolog(logtext);
 324         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 325         dolog(logtext);
 326         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 327         dolog(logtext);
 328         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 329         dolog(logtext);
 330         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 331         dolog(logtext);
 332         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 333         dolog(logtext);
 334         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 335                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 336         dolog(logtext);
 337         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 338         dolog(logtext);
 339         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 340                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 341         dolog(logtext);
 342         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 343         dolog(logtext);
 344         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 345         dolog(logtext);
 346         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 347         dolog(logtext);
 348         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 349         dolog(logtext);
 350         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 351         dolog(logtext);
 352         sprintf(logtext, "Distribution of stack sizes at block boundary");
 353         dolog(logtext);
 354         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 355         dolog(logtext);
 356         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 357                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 358                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 359                         count_block_stack[9], count_block_stack[10]);
 360         dolog(logtext);
 361         sprintf(logtext, "Distribution of store stack depth");
 362         dolog(logtext);
 363         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 364         dolog(logtext);
 365         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 366                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 367                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 368                         count_store_depth[9], count_store_depth[10]);
 369         dolog(logtext);
 370         sprintf(logtext, "Distribution of store creator chains first part");
 371         dolog(logtext);
 372         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 373         dolog(logtext);
 374         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 375                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 376                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 377                         count_store_length[9]);
 378         dolog(logtext);
 379         sprintf(logtext, "Distribution of store creator chains second part");
 380         dolog(logtext);
 381         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 382         dolog(logtext);
 383         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 384                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 385                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 386                         count_store_length[19], count_store_length[20]);
 387         dolog(logtext);
 388         sprintf(logtext, "Distribution of analysis iterations");
 389         dolog(logtext);
 390         sprintf(logtext, "    1    2    3    4    >=5");
 391         dolog(logtext);
 392         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 393                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 394         dolog(logtext);
 395         sprintf(logtext, "Distribution of basic blocks per method");
 396         dolog(logtext);
 397         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 398         dolog(logtext);
 399         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 400                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 401                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 402                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 403         dolog(logtext);
 404         sprintf(logtext, "Distribution of basic block sizes");
 405         dolog(logtext);
 406         sprintf(logtext,
 407                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 408         dolog(logtext);
 409         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 410                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 411                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 412                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 413                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 414                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 415                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 416         dolog(logtext);
 417         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 418         dolog(logtext);
 419         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 420         dolog(logtext);
 421         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 422         dolog(logtext);
 423         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 424         dolog(logtext);
 425         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 426         dolog(logtext);
 427         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 428         dolog(logtext);
 429         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 430         dolog(logtext);
 431         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 432         dolog(logtext);
 433         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 434                         count_vmcode_len - 18 * count_all_methods);
 435         dolog(logtext);
 436         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 437         dolog(logtext);
 438         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 439         dolog(logtext);
 440         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 441         dolog(logtext);
 442         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 443         dolog(logtext);
 444
 445         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 446         dolog(logtext);
 447         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 448         dolog(logtext);
 449 }
 450
 451
 452
 453 /********** Function: class_compile_methods   (debugging only) ********/
 454
 455 void class_compile_methods ()
 456 {
 457         int        i;
 458         classinfo  *c;
 459         methodinfo *m;
 460
 461         c = list_first (&linkedclasses);
 462         while (c) {
 463                 for (i = 0; i < c -> methodscount; i++) {
 464                         m = &(c->methods[i]);
 465                         if (m->jcode) {
 466                                 (void) jit_compile(m);
 467                         }
 468                 }
 469                 c = list_next (&linkedclasses, c);
 470         }
 471 }
 472
 473
 474
 475 /*
 476  * void exit_handler(void)
 477  * -----------------------
 478  * The exit_handler function is called upon program termination to shutdown
 479  * the various subsystems and release the resources allocated to the VM.
 480  */
 481 void exit_handler(void)
 482 {
 483         /********************* Print debug tables ************************/
 484
 485         if (showmethods) class_showmethods(topclass);
 486         if (showconstantpool)  class_showconstantpool(topclass);
 487         if (showutf)           utf_show();
 488
 489 #ifdef USE_THREADS
 490         clear_thread_flags();           /* restores standard file descriptor
 491                                        flags */
 492 #endif
 493
 494         /************************ Free all resources *******************/
 495
 496         heap_close();               /* must be called before compiler_close and
 497                                        loader_close because finalization occurs
 498                                        here */
 499
 500         loader_close();
 501         tables_close(literalstring_free);
 502
 503         if (verbose || getcompilingtime || statistics) {
 504                 log_text ("CACAO terminated");
 505                 if (statistics)
 506                         print_stats();
 507                 if (getcompilingtime)
 508                         print_times();
 509                 mem_usagelog(1);
 510         }
 511 }
 512
 513
 514
 515 /************************** Function: main *******************************
 516
 517    The main program.
 518
 519 **************************************************************************/
 520
 521 int main(int argc, char **argv)
 522 {
 523         s4 i,j;
 524         char *cp;
 525         java_objectheader *local_exceptionptr = 0;
 526         void *dummy;
 527
 528         /********** interne (nur fuer main relevante Optionen) **************/
 529
 530         char logfilename[200] = "";
 531         u4 heapsize = 64000000;
 532         u4 heapstartsize = 200000;
 533         char classpath[500] = ".:/usr/local/lib/java/classes";
 534         bool startit = true;
 535         char *specificmethodname = NULL;
 536         char *specificsignature = NULL;
 537
 538 #ifndef USE_THREADS
 539         stackbottom = &dummy;
 540 #endif
 541
 542         if (0 != atexit(exit_handler))
 543                 panic("unable to register exit_handler");
 544
 545         /************ Collect info from the environment ************************/
 546
 547         cp = getenv("CLASSPATH");
 548         if (cp) {
 549                 strcpy(classpath, cp);
 550         }
 551
 552         /***************** Interpret the command line *****************/
 553
 554         checknull = false;
 555         opt_noieee = false;
 556
 557         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 558                 switch (i) {
 559                 case OPT_IGNORE: break;
 560
 561                 case OPT_CLASSPATH:
 562                         strcpy(classpath + strlen(classpath), ":");
 563                         strcpy(classpath + strlen(classpath), opt_arg);
 564                         break;
 565
 566                 case OPT_D:
 567                         {
 568                                 int n;
 569                                 int l = strlen(opt_arg);
 570                                 for (n = 0; n < l; n++) {
 571                                         if (opt_arg[n]=='=') {
 572                                                 opt_arg[n] = '\0';
 573                                                 attach_property(opt_arg, opt_arg + n + 1);
 574                                                 goto didit;
 575                                         }
 576                                 }
 577                                 print_usage();
 578                                 exit(10);
 579
 580                         didit: ;
 581                         }
 582                         break;
 583
 584                 case OPT_MS:
 585                 case OPT_MX:
 586                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 587                                 j = 1024 * atoi(opt_arg);
 588                         }
 589                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 590                                 j = 1024 * 1024 * atoi(opt_arg);
 591                         }
 592                         else j = atoi(opt_arg);
 593
 594                         if (i == OPT_MX) heapsize = j;
 595                         else heapstartsize = j;
 596                         break;
 597
 598                 case OPT_VERBOSE1:
 599                         verbose = true;
 600                         break;
 601
 602                 case OPT_VERBOSE:
 603                         verbose = true;
 604                         loadverbose = true;
 605                         initverbose = true;
 606                         compileverbose = true;
 607                         break;
 608
 609                 case OPT_VERBOSEGC:
 610                         collectverbose = true;
 611                         break;
 612
 613                 case OPT_VERBOSECALL:
 614                         runverbose = true;
 615                         break;
 616
 617                 case OPT_NOIEEE:
 618                         opt_noieee = true;
 619                         break;
 620
 621                 case OPT_SOFTNULL:
 622                         checknull = true;
 623                         break;
 624
 625                 case OPT_TIME:
 626                         getcompilingtime = true;
 627                         getloadingtime = true;
 628                         break;
 629
 630                 case OPT_STAT:
 631                         statistics = true;
 632                         break;
 633
 634                 case OPT_LOG:
 635                         strcpy(logfilename, opt_arg);
 636                         break;
 637
 638                 case OPT_CHECK:
 639                         for (j = 0; j < strlen(opt_arg); j++) {
 640                                 switch (opt_arg[j]) {
 641                                 case 'b':
 642                                         checkbounds = false;
 643                                         break;
 644                                 case 's':
 645                                         checksync = false;
 646                                         break;
 647                                 default:
 648                                         print_usage();
 649                                         exit(10);
 650                                 }
 651                         }
 652                         break;
 653
 654                 case OPT_LOAD:
 655                         startit = false;
 656                         makeinitializations = false;
 657                         break;
 658
 659                 case OPT_METHOD:
 660                         startit = false;
 661                         specificmethodname = opt_arg;
 662                         makeinitializations = false;
 663                         break;
 664
 665                 case OPT_SIGNATURE:
 666                         specificsignature = opt_arg;
 667                         break;
 668
 669                 case OPT_ALL:
 670                         compileall = true;
 671                         startit = false;
 672                         makeinitializations = false;
 673                         break;
 674
 675                 case OPT_SHOW:       /* Display options */
 676                         for (j = 0; j < strlen(opt_arg); j++) {
 677                                 switch (opt_arg[j]) {
 678                                 case 'a':
 679                                         showdisassemble = true;
 680                                         compileverbose=true;
 681                                         break;
 682                                 case 'c':
 683                                         showconstantpool = true;
 684                                         break;
 685                                 case 'd':
 686                                         showddatasegment = true;
 687                                         break;
 688                                 case 'i':
 689                                         showintermediate = true;
 690                                         compileverbose = true;
 691                                         break;
 692                                 case 'm':
 693                                         showmethods = true;
 694                                         break;
 695                                 case 'u':
 696                                         showutf = true;
 697                                         break;
 698                                 default:
 699                                         print_usage();
 700                                         exit(10);
 701                                 }
 702                         }
 703                         break;
 704
 705                 case OPT_OLOOP:
 706                         opt_loops = true;
 707                         break;
 708
 709                 case OPT_INLINING:
 710                         for (j = 0; j < strlen(opt_arg); j++) {
 711                                 switch (opt_arg[j]) {
 712                                 case 'n':
 713                                         useinlining = true;
 714                                         break;
 715                                 case 'v':
 716                                         inlinevirtuals = true;
 717                                         break;
 718                                 case 'e':
 719                                         inlineexceptions = true;
 720                                         break;
 721                                 case 'p':
 722                                         inlineparamopt = true;
 723                                         break;
 724                                 case 'o':
 725                                         inlineoutsiders = true;
 726                                         break;
 727                                 default:
 728                                         print_usage();
 729                                         exit(10);
 730                                 }
 731                         }
 732                         break;
 733
 734                 case OPT_RT:
 735                         opt_rt = true;
 736                         break;
 737
 738                 case OPT_XTA:
 739                         opt_xta = false; /**not yet **/
 740                         break;
 741
 742                 case OPT_VTA:
 743                         /***opt_vta = true; not yet **/
 744                         break;
 745
 746                 default:
 747                         print_usage();
 748                         exit(10);
 749                 }
 750         }
 751
 752
 753         if (opt_ind >= argc) {
 754                 print_usage();
 755                 exit(10);
 756         }
 757
 758
 759         /**************************** Program start *****************************/
 760
 761         log_init(logfilename);
 762         if (verbose) {
 763                 log_text("CACAO started -------------------------------------------------------");
 764         }
 765
 766         suck_init (classpath);
 767         native_setclasspath (classpath);
 768
 769         tables_init();
 770         heap_init(heapsize, heapstartsize, &dummy);
 771
 772
 773
 774         log_text("calling jit_init");
 775         jit_init();
 776
 777
 778
 779         log_text("calling loader_init");
 780
 781         loader_init((u1*)&dummy);
 782
 783         log_text("calling native_loadclasses");
 784         native_loadclasses ();
 785
 786
 787         /*********************** Load JAVA classes  ***************************/
 788
 789         cp = argv[opt_ind++];
 790         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 791                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 792         }
 793
 794         topclass = loader_load(utf_new_char(cp));
 795
 796         if (exceptionptr != 0) {
 797                 printf("#### Class loader has thrown: ");
 798                 utf_display(exceptionptr->vftbl->class->name);
 799                 printf("\n");
 800
 801                 exceptionptr = 0;
 802         }
 803
 804         if (topclass == 0) {
 805                 printf("#### Could not find top class - exiting\n");
 806                 exit(1);
 807         }
 808
 809
 810
 811         gc_init();
 812 #ifdef USE_THREADS
 813         initThreads((u1*) &dummy);                   /* schani */
 814 #endif
 815
 816
 817         /************************* Start worker routines ********************/
 818
 819         if (startit) {
 820                 methodinfo *mainmethod;
 821                 java_objectarray *a;
 822
 823                 heap_addreference((void**) &a);
 824
 825                 mainmethod = class_findmethod (
 826                                                                            topclass,
 827                                                                            utf_new_char ("main"),
 828                                                                            utf_new_char ("([Ljava/lang/String;)V")
 829                                                                            );
 830                 if (!mainmethod) panic("Can not find method 'void main(String[])'");
 831                 if ((mainmethod->flags & ACC_STATIC) != ACC_STATIC) panic("main is not static!");
 832
 833                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 834                 for (i = opt_ind; i < argc; i++) {
 835                         a->data[i - opt_ind] = javastring_new(utf_new_char(argv[i]));
 836                 }
 837
 838 #ifdef DEBUG_TYPES
 839                 typeinfo_test(); /* XXX remove debug */
 840 #endif
 841                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 842
 843                 local_exceptionptr = asm_calljavamethod (mainmethod, a, NULL, NULL, NULL );
 844
 845                 if (local_exceptionptr) {
 846                         printf("Exception in thread \"main\" ");
 847                         utf_display(local_exceptionptr->vftbl->class->name);
 848                         printf("\n");
 849                 }
 850                 /*---RTAprint---*/
 851
 852 #ifdef USE_THREADS
 853                 killThread(currentThread);
 854 #endif
 855                 fprintf(stderr, "still here\n");
 856         }
 857
 858         /************* If requested, compile all methods ********************/
 859
 860         if (compileall) {
 861                 class_compile_methods();
 862         }
 863
 864
 865         /******** If requested, compile a specific method ***************/
 866
 867         if (specificmethodname) {
 868                 methodinfo *m;
 869                 if (specificsignature)
 870                         m = class_findmethod(topclass,
 871                                                                  utf_new_char(specificmethodname),
 872                                                                  utf_new_char(specificsignature));
 873                 else
 874                         m = class_findmethod(topclass,
 875                                                                  utf_new_char(specificmethodname), NULL);
 876                 if (!m) panic ("Specific method not found");
 877                 (void) jit_compile(m);
 878         }
 879
 880         exit(0);
 881 }
 882
 883
 884
 885 /************************************ Shutdown function *********************************
 886
 887         Terminates the system immediately without freeing memory explicitly (to be
 888         used only for abnormal termination)
 889
 890 *****************************************************************************************/
 891
 892 void cacao_shutdown(s4 status)
 893 {
 894         /**** RTAprint ***/
 895
 896         if (verbose || getcompilingtime || statistics) {
 897                 log_text ("CACAO terminated by shutdown");
 898                 if (statistics)
 899                         print_stats();
 900                 if (getcompilingtime)
 901                         print_times();
 902                 mem_usagelog(0);
 903                 dolog("Exit status: %d\n", (int) status);
 904         }
 905
 906         exit(status);
 907 }
 908
 909
 910 /*
 911  * These are local overrides for various environment variables in Emacs.
 912  * Please do not remove this and leave it at the end of the file, where
 913  * Emacs will automagically detect them.
 914  * ---------------------------------------------------------------------
 915  * Local variables:
 916  * mode: c
 917  * indent-tabs-mode: t
 918  * c-basic-offset: 4
 919  * tab-width: 4
 920  * End:
 921  */