main.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: main.c 748 2003-12-13 22:13:59Z twisti $
  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 #include "nat/java_lang_Throwable.h"
  62
  63
  64 /* command line option */
  65
  66 bool verbose =  false;
  67 bool compileall = false;
  68 bool runverbose = false;
  69 bool collectverbose = false;
  70
  71 bool loadverbose = false;
  72 bool linkverbose = false;
  73 bool initverbose = false;
  74
  75 bool opt_rt = false;            /* true if RTA parse should be used     RT-CO */
  76 bool opt_xta = false;           /* true if XTA parse should be used    XTA-CO */
  77 bool opt_vta = false;           /* true if VTA parse should be used    VTA-CO */
  78
  79 bool showmethods = false;
  80 bool showconstantpool = false;
  81 bool showutf = false;
  82
  83 bool compileverbose =  false;
  84 bool showstack = false;
  85 bool showdisassemble = false;
  86 bool showddatasegment = false;
  87 bool showintermediate = false;
  88
  89 bool useinlining = false;
  90 bool inlinevirtuals = false;
  91 bool inlineexceptions = false;
  92 bool inlineparamopt = false;
  93 bool inlineoutsiders = false;
  94
  95 bool checkbounds = true;
  96 bool checknull = true;
  97 bool opt_noieee = false;
  98 bool checksync = true;
  99 bool opt_loops = false;
 100
 101 bool makeinitializations = true;
 102
 103 bool getloadingtime = false;   /* to measure the runtime                     */
 104 s8 loadingtime = 0;
 105
 106
 107 static classinfo *topclass;
 108
 109 #ifndef USE_THREADS
 110 void **stackbottom = 0;
 111 #endif
 112
 113
 114 /* internal function: get_opt *************************************************
 115
 116         decodes the next command line option
 117
 118 ******************************************************************************/
 119
 120 #define OPT_DONE       -1
 121 #define OPT_ERROR       0
 122 #define OPT_IGNORE      1
 123
 124 #define OPT_CLASSPATH   2
 125 #define OPT_D           3
 126 #define OPT_MS          4
 127 #define OPT_MX          5
 128 #define OPT_VERBOSE1    6
 129 #define OPT_VERBOSE     7
 130 #define OPT_VERBOSEGC   8
 131 #define OPT_VERBOSECALL 9
 132 #define OPT_NOIEEE      10
 133 #define OPT_SOFTNULL    11
 134 #define OPT_TIME        12
 135 #define OPT_STAT        13
 136 #define OPT_LOG         14
 137 #define OPT_CHECK       15
 138 #define OPT_LOAD        16
 139 #define OPT_METHOD      17
 140 #define OPT_SIGNATURE   18
 141 #define OPT_SHOW        19
 142 #define OPT_ALL         20
 143 #define OPT_OLOOP       24
 144 #define OPT_INLINING    25
 145 #define OPT_RT          26
 146 #define OPT_XTA         27
 147 #define OPT_VTA         28
 148 #define OPT_VERBOSETC   29
 149
 150
 151 struct {char *name; bool arg; int value;} opts[] = {
 152         {"classpath",   true,   OPT_CLASSPATH},
 153         {"D",           true,   OPT_D},
 154         {"ms",          true,   OPT_MS},
 155         {"mx",          true,   OPT_MX},
 156         {"noasyncgc",   false,  OPT_IGNORE},
 157         {"noverify",    false,  OPT_IGNORE},
 158         {"oss",         true,   OPT_IGNORE},
 159         {"ss",          true,   OPT_IGNORE},
 160         {"v",           false,  OPT_VERBOSE1},
 161         {"verbose",     false,  OPT_VERBOSE},
 162         {"verbosegc",   false,  OPT_VERBOSEGC},
 163         {"verbosecall", false,  OPT_VERBOSECALL},
 164 #ifdef TYPECHECK_VERBOSE
 165         {"verbosetc",   false,  OPT_VERBOSETC},
 166 #endif
 167 #if defined(__ALPHA__)
 168         {"noieee",      false,  OPT_NOIEEE},
 169 #endif
 170         {"softnull",    false,  OPT_SOFTNULL},
 171         {"time",        false,  OPT_TIME},
 172         {"stat",        false,  OPT_STAT},
 173         {"log",         true,   OPT_LOG},
 174         {"c",           true,   OPT_CHECK},
 175         {"l",           false,  OPT_LOAD},
 176         {"m",           true,   OPT_METHOD},
 177         {"sig",         true,   OPT_SIGNATURE},
 178         {"s",           true,   OPT_SHOW},
 179         {"all",         false,  OPT_ALL},
 180         {"oloop",       false,  OPT_OLOOP},
 181         {"i",               true,   OPT_INLINING},
 182         {"rt",          false,  OPT_RT},
 183         {"xta",         false,  OPT_XTA},
 184         {"vta",         false,  OPT_VTA},
 185         {NULL,  false, 0}
 186 };
 187
 188 static int opt_ind = 1;
 189 static char *opt_arg;
 190
 191
 192 static int get_opt(int argc, char **argv)
 193 {
 194         char *a;
 195         int i;
 196
 197         if (opt_ind >= argc) return OPT_DONE;
 198
 199         a = argv[opt_ind];
 200         if (a[0] != '-') return OPT_DONE;
 201
 202         for (i = 0; opts[i].name; i++) {
 203                 if (!opts[i].arg) {
 204                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 205                                 opt_ind++;
 206                                 return opts[i].value;
 207                         }
 208
 209                 } else {
 210                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 211                                 opt_ind++;
 212                                 if (opt_ind < argc) {
 213                                         opt_arg = argv[opt_ind];
 214                                         opt_ind++;
 215                                         return opts[i].value;
 216                                 }
 217                                 return OPT_ERROR;
 218
 219                         } else {
 220                                 size_t l = strlen(opts[i].name);
 221                                 if (strlen(a + 1) > l) {
 222                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 223                                                 opt_ind++;
 224                                                 opt_arg = a + 1 + l;
 225                                                 return opts[i].value;
 226                                         }
 227                                 }
 228                         }
 229                 }
 230         } /* end for */
 231
 232         return OPT_ERROR;
 233 }
 234
 235
 236
 237
 238 /******************** interne Function: print_usage ************************
 239
 240 Prints the correct usage syntax to stdout.
 241
 242 ***************************************************************************/
 243
 244 static void print_usage()
 245 {
 246         printf("USAGE: cacao [options] classname [program arguments]\n");
 247         printf("Options:\n");
 248         printf("          -classpath path ...... specify a path to look for classes\n");
 249         printf("          -Dpropertyname=value . add an entry to the property list\n");
 250         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 251         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 252         printf("          -v ................... write state-information\n");
 253         printf("          -verbose ............. write more information\n");
 254         printf("          -verbosegc ........... write message for each GC\n");
 255         printf("          -verbosecall ......... write message for each call\n");
 256 #ifdef TYPECHECK_VERBOSE
 257         printf("          -verbosetc ........... write debug messages while typechecking\n");
 258 #endif
 259 #if defined(__ALPHA__)
 260         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 261 #endif
 262         printf("          -softnull ............ use software nullpointer check\n");
 263         printf("          -time ................ measure the runtime\n");
 264         printf("          -stat ................ detailed compiler statistics\n");
 265         printf("          -log logfile ......... specify a name for the logfile\n");
 266         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 267         printf("                  s(ync) ....... don't check for synchronization\n");
 268         printf("          -oloop ............... optimize array accesses in loops\n");
 269         printf("          -l ................... don't start the class after loading\n");
 270         printf("          -all ................. compile all methods, no execution\n");
 271         printf("          -m ................... compile only a specific method\n");
 272         printf("          -sig ................. specify signature for a specific method\n");
 273         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 274         printf("                 c(onstants) ... show the constant pool\n");
 275         printf("                 d(atasegment).. show data segment listing\n");
 276         printf("                 i(ntermediate). show intermediate representation\n");
 277         printf("                 m(ethods)...... show class fields and methods\n");
 278         printf("                 u(tf) ......... show the utf - hash\n");
 279         printf("          -i     n ............. activate inlining\n");
 280         printf("                 v ............. inline virtual methods\n");
 281         printf("                 e ............. inline methods with exceptions\n");
 282         printf("                 p ............. optimize argument renaming\n");
 283         printf("                 o ............. inline methods of foreign classes\n");
 284         printf("          -rt .................. use rapid type analysis\n");
 285         printf("          -xta ................. use x type analysis\n");
 286         printf("          -vta ................. use variable type analysis\n");
 287 }
 288
 289
 290
 291 /***************************** Function: print_times *********************
 292
 293         Prints a summary of CPU time usage.
 294
 295 **************************************************************************/
 296
 297 static void print_times()
 298 {
 299         s8 totaltime = getcputime();
 300         s8 runtime = totaltime - loadingtime - compilingtime;
 301         char logtext[MAXLOGTEXT];
 302
 303         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 304                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 305         log_text(logtext);
 306         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 307                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 308         log_text(logtext);
 309         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 310                         runtime / 1000000, (runtime % 1000000) / 1000);
 311         log_text(logtext);
 312         sprintf(logtext, "Total time: %lld secs, %lld millis",
 313                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 314         log_text(logtext);
 315 }
 316
 317
 318
 319
 320
 321
 322 /***************************** Function: print_stats *********************
 323
 324         outputs detailed compiler statistics
 325
 326 **************************************************************************/
 327
 328 static void print_stats()
 329 {
 330         char logtext[MAXLOGTEXT];
 331
 332         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 333         log_text(logtext);
 334         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 335         log_text(logtext);
 336         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 337         log_text(logtext);
 338         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 339         log_text(logtext);
 340         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 341         log_text(logtext);
 342         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 343         log_text(logtext);
 344         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 345                         count_javacodesize - count_methods * 18);
 346         log_text(logtext);
 347         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 348         log_text(logtext);
 349         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 350         log_text(logtext);
 351         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 352         log_text(logtext);
 353         sprintf(logtext, "Number of Spills: %d", count_spills);
 354         log_text(logtext);
 355         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 356         log_text(logtext);
 357         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 358         log_text(logtext);
 359         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 360         log_text(logtext);
 361         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 362         log_text(logtext);
 363         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 364         log_text(logtext);
 365         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 366         log_text(logtext);
 367         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 368         log_text(logtext);
 369         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 370         log_text(logtext);
 371         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 372         log_text(logtext);
 373         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 374         log_text(logtext);
 375         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 376         log_text(logtext);
 377         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 378                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 379         log_text(logtext);
 380         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 381         log_text(logtext);
 382         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 383                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 384         log_text(logtext);
 385         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 386         log_text(logtext);
 387         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 388         log_text(logtext);
 389         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 390         log_text(logtext);
 391         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 392         log_text(logtext);
 393         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 394         log_text(logtext);
 395         sprintf(logtext, "Distribution of stack sizes at block boundary");
 396         log_text(logtext);
 397         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 398         log_text(logtext);
 399         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 400                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 401                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 402                         count_block_stack[9], count_block_stack[10]);
 403         log_text(logtext);
 404         sprintf(logtext, "Distribution of store stack depth");
 405         log_text(logtext);
 406         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 407         log_text(logtext);
 408         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 409                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 410                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 411                         count_store_depth[9], count_store_depth[10]);
 412         log_text(logtext);
 413         sprintf(logtext, "Distribution of store creator chains first part");
 414         log_text(logtext);
 415         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 416         log_text(logtext);
 417         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 418                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 419                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 420                         count_store_length[9]);
 421         log_text(logtext);
 422         sprintf(logtext, "Distribution of store creator chains second part");
 423         log_text(logtext);
 424         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 425         log_text(logtext);
 426         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 427                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 428                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 429                         count_store_length[19], count_store_length[20]);
 430         log_text(logtext);
 431         sprintf(logtext, "Distribution of analysis iterations");
 432         log_text(logtext);
 433         sprintf(logtext, "    1    2    3    4    >=5");
 434         log_text(logtext);
 435         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 436                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 437         log_text(logtext);
 438         sprintf(logtext, "Distribution of basic blocks per method");
 439         log_text(logtext);
 440         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 441         log_text(logtext);
 442         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 443                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 444                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 445                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 446         log_text(logtext);
 447         sprintf(logtext, "Distribution of basic block sizes");
 448         log_text(logtext);
 449         sprintf(logtext,
 450                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 451         log_text(logtext);
 452         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 453                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 454                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 455                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 456                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 457                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 458                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 459         log_text(logtext);
 460         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 461         log_text(logtext);
 462         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 463         log_text(logtext);
 464         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 465         log_text(logtext);
 466         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 467         log_text(logtext);
 468         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 469         log_text(logtext);
 470         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 471         log_text(logtext);
 472         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 473         log_text(logtext);
 474         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 475         log_text(logtext);
 476         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 477                         count_vmcode_len - 18 * count_all_methods);
 478         log_text(logtext);
 479         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 480         log_text(logtext);
 481         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 482         log_text(logtext);
 483         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 484         log_text(logtext);
 485         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 486         log_text(logtext);
 487
 488         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 489         log_text(logtext);
 490         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 491         log_text(logtext);
 492 }
 493
 494
 495
 496 /********** Function: class_compile_methods   (debugging only) ********/
 497
 498 void class_compile_methods ()
 499 {
 500         int        i;
 501         classinfo  *c;
 502         methodinfo *m;
 503
 504         c = list_first (&linkedclasses);
 505         while (c) {
 506                 for (i = 0; i < c -> methodscount; i++) {
 507                         m = &(c->methods[i]);
 508                         if (m->jcode) {
 509                                 (void) jit_compile(m);
 510                         }
 511                 }
 512                 c = list_next(&linkedclasses, c);
 513         }
 514 }
 515
 516
 517
 518 /*
 519  * void exit_handler(void)
 520  * -----------------------
 521  * The exit_handler function is called upon program termination to shutdown
 522  * the various subsystems and release the resources allocated to the VM.
 523  */
 524 void exit_handler(void)
 525 {
 526         /********************* Print debug tables ************************/
 527
 528         if (showmethods) class_showmethods(topclass);
 529         if (showconstantpool) class_showconstantpool(topclass);
 530         if (showutf) utf_show();
 531
 532 #ifdef USE_THREADS
 533         clear_thread_flags();           /* restores standard file descriptor
 534                                        flags */
 535 #endif
 536
 537         /************************ Free all resources *******************/
 538
 539         heap_close();               /* must be called before compiler_close and
 540                                        loader_close because finalization occurs
 541                                        here */
 542
 543         loader_close();
 544         tables_close(literalstring_free);
 545
 546         if (verbose || getcompilingtime || statistics) {
 547                 log_text("CACAO terminated");
 548                 if (statistics)
 549                         print_stats();
 550                 if (getcompilingtime)
 551                         print_times();
 552                 mem_usagelog(1);
 553         }
 554 }
 555
 556
 557 /************************** Function: main *******************************
 558
 559    The main program.
 560
 561 **************************************************************************/
 562
 563 int main(int argc, char **argv)
 564 {
 565         s4 i, j;
 566         char *cp;
 567         void *dummy;
 568
 569         /********** interne (nur fuer main relevante Optionen) **************/
 570
 571         char logfilename[200] = "";
 572         u4 heapsize = 64000000;
 573         u4 heapstartsize = 200000;
 574         char classpath[500] = ".:/usr/local/lib/java/classes";
 575         bool startit = true;
 576         char *specificmethodname = NULL;
 577         char *specificsignature = NULL;
 578
 579 #ifndef USE_THREADS
 580         stackbottom = &dummy;
 581 #endif
 582
 583         if (0 != atexit(exit_handler))
 584                 panic("unable to register exit_handler");
 585
 586         /************ Collect info from the environment ************************/
 587
 588         cp = getenv("CLASSPATH");
 589         if (cp) {
 590                 strcpy(classpath, cp);
 591         }
 592
 593         /***************** Interpret the command line *****************/
 594
 595         checknull = false;
 596         opt_noieee = false;
 597
 598         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 599                 switch (i) {
 600                 case OPT_IGNORE: break;
 601
 602                 case OPT_CLASSPATH:
 603                         strcpy(classpath + strlen(classpath), ":");
 604                         strcpy(classpath + strlen(classpath), opt_arg);
 605                         break;
 606
 607                 case OPT_D:
 608                         {
 609                                 int n;
 610                                 int l = strlen(opt_arg);
 611                                 for (n = 0; n < l; n++) {
 612                                         if (opt_arg[n] == '=') {
 613                                                 opt_arg[n] = '\0';
 614                                                 attach_property(opt_arg, opt_arg + n + 1);
 615                                                 goto didit;
 616                                         }
 617                                 }
 618                                 print_usage();
 619                                 exit(10);
 620
 621                         didit: ;
 622                         }
 623                         break;
 624
 625                 case OPT_MS:
 626                 case OPT_MX:
 627                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 628                                 j = 1024 * atoi(opt_arg);
 629                         }
 630                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 631                                 j = 1024 * 1024 * atoi(opt_arg);
 632                         }
 633                         else j = atoi(opt_arg);
 634
 635                         if (i == OPT_MX) heapsize = j;
 636                         else heapstartsize = j;
 637                         break;
 638
 639                 case OPT_VERBOSE1:
 640                         verbose = true;
 641                         break;
 642
 643                 case OPT_VERBOSE:
 644                         verbose = true;
 645                         loadverbose = true;
 646                         initverbose = true;
 647                         compileverbose = true;
 648                         break;
 649
 650                 case OPT_VERBOSEGC:
 651                         collectverbose = true;
 652                         break;
 653
 654 #ifdef TYPECHECK_VERBOSE
 655                 case OPT_VERBOSETC:
 656                         typecheckverbose = true;
 657                         break;
 658 #endif
 659
 660                 case OPT_VERBOSECALL:
 661                         runverbose = true;
 662                         break;
 663
 664                 case OPT_NOIEEE:
 665                         opt_noieee = true;
 666                         break;
 667
 668                 case OPT_SOFTNULL:
 669                         checknull = true;
 670                         break;
 671
 672                 case OPT_TIME:
 673                         getcompilingtime = true;
 674                         getloadingtime = true;
 675                         break;
 676
 677                 case OPT_STAT:
 678                         statistics = true;
 679                         break;
 680
 681                 case OPT_LOG:
 682                         strcpy(logfilename, opt_arg);
 683                         break;
 684
 685                 case OPT_CHECK:
 686                         for (j = 0; j < strlen(opt_arg); j++) {
 687                                 switch (opt_arg[j]) {
 688                                 case 'b':
 689                                         checkbounds = false;
 690                                         break;
 691                                 case 's':
 692                                         checksync = false;
 693                                         break;
 694                                 default:
 695                                         print_usage();
 696                                         exit(10);
 697                                 }
 698                         }
 699                         break;
 700
 701                 case OPT_LOAD:
 702                         startit = false;
 703                         makeinitializations = false;
 704                         break;
 705
 706                 case OPT_METHOD:
 707                         startit = false;
 708                         specificmethodname = opt_arg;
 709                         makeinitializations = false;
 710                         break;
 711
 712                 case OPT_SIGNATURE:
 713                         specificsignature = opt_arg;
 714                         break;
 715
 716                 case OPT_ALL:
 717                         compileall = true;
 718                         startit = false;
 719                         makeinitializations = false;
 720                         break;
 721
 722                 case OPT_SHOW:       /* Display options */
 723                         for (j = 0; j < strlen(opt_arg); j++) {
 724                                 switch (opt_arg[j]) {
 725                                 case 'a':
 726                                         showdisassemble = true;
 727                                         compileverbose=true;
 728                                         break;
 729                                 case 'c':
 730                                         showconstantpool = true;
 731                                         break;
 732                                 case 'd':
 733                                         showddatasegment = true;
 734                                         break;
 735                                 case 'i':
 736                                         showintermediate = true;
 737                                         compileverbose = true;
 738                                         break;
 739                                 case 'm':
 740                                         showmethods = true;
 741                                         break;
 742                                 case 'u':
 743                                         showutf = true;
 744                                         break;
 745                                 default:
 746                                         print_usage();
 747                                         exit(10);
 748                                 }
 749                         }
 750                         break;
 751
 752                 case OPT_OLOOP:
 753                         opt_loops = true;
 754                         break;
 755
 756                 case OPT_INLINING:
 757                         for (j = 0; j < strlen(opt_arg); j++) {
 758                                 switch (opt_arg[j]) {
 759                                 case 'n':
 760                                         useinlining = true;
 761                                         break;
 762                                 case 'v':
 763                                         inlinevirtuals = true;
 764                                         break;
 765                                 case 'e':
 766                                         inlineexceptions = true;
 767                                         break;
 768                                 case 'p':
 769                                         inlineparamopt = true;
 770                                         break;
 771                                 case 'o':
 772                                         inlineoutsiders = true;
 773                                         break;
 774                                 default:
 775                                         print_usage();
 776                                         exit(10);
 777                                 }
 778                         }
 779                         break;
 780
 781                 case OPT_RT:
 782                         opt_rt = true;
 783                         break;
 784
 785                 case OPT_XTA:
 786                         opt_xta = false; /**not yet **/
 787                         break;
 788
 789                 case OPT_VTA:
 790                         /***opt_vta = true; not yet **/
 791                         break;
 792
 793                 default:
 794                         print_usage();
 795                         exit(10);
 796                 }
 797         }
 798
 799
 800         if (opt_ind >= argc) {
 801                 print_usage();
 802                 exit(10);
 803         }
 804
 805
 806         /**************************** Program start *****************************/
 807
 808         log_init(logfilename);
 809         if (verbose) {
 810                 log_text("CACAO started -------------------------------------------------------");
 811         }
 812
 813         suck_init(classpath);
 814         native_setclasspath(classpath);
 815
 816         tables_init();
 817         heap_init(heapsize, heapstartsize, &dummy);
 818
 819         log_text("calling jit_init");
 820         jit_init();
 821
 822         log_text("calling loader_init");
 823         loader_init((u1 *) &dummy);
 824
 825         log_text("calling native_loadclasses");
 826         native_loadclasses();
 827
 828
 829         /*********************** Load JAVA classes  ***************************/
 830
 831         cp = argv[opt_ind++];
 832         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 833                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 834         }
 835
 836         topclass = loader_load(utf_new_char(cp));
 837
 838         if (exceptionptr != 0) {
 839                 printf("Exception in thread \"main\" ");
 840                 utf_display(exceptionptr->vftbl->class->name);
 841                 printf(": ");
 842                 utf_display(javastring_toutf(((java_lang_Throwable *) exceptionptr)->detailMessage, false));
 843                 printf("\n");
 844
 845                 exceptionptr = 0;
 846         }
 847
 848         if (topclass == 0) {
 849                 /* should we print out something? we already have the exception */
 850                 exit(1);
 851         }
 852
 853         /* initialize the garbage collector */
 854         gc_init();
 855
 856 #ifdef USE_THREADS
 857         initThreads((u1*) &dummy);
 858 #endif
 859
 860
 861         /************************* Start worker routines ********************/
 862
 863         if (startit) {
 864                 methodinfo *mainmethod;
 865                 java_objectarray *a;
 866                 java_objectheader *local_exceptionptr = 0;
 867
 868 /*              heap_addreference((void**) &a); */
 869
 870                 mainmethod = class_findmethod(topclass,
 871                                                                           utf_new_char("main"),
 872                                                                           utf_new_char("([Ljava/lang/String;)V")
 873                                                                           );
 874
 875                 /* there is no main method or it isn't static */
 876                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 877                         printf("Exception in thread \"main\" java.lang.NoSuchMethodError: main\n");
 878                         exit(1);
 879                 }
 880
 881                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 882                 for (i = opt_ind; i < argc; i++) {
 883                         a->data[i - opt_ind] = javastring_new(utf_new_char(argv[i]));
 884                 }
 885
 886 #ifdef TYPEINFO_DEBUG_TEST
 887                 /* test the typeinfo system */
 888                 typeinfo_test();
 889 #endif
 890                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 891
 892                 /* here we go... */
 893                 local_exceptionptr = asm_calljavamethod(mainmethod, a, NULL, NULL, NULL);
 894
 895                 if (local_exceptionptr) {
 896                         printf("Exception in thread \"main\" ");
 897                         utf_display(local_exceptionptr->vftbl->class->name);
 898
 899                         /* do we have a detail message? */
 900                         if (((java_lang_Throwable *) exceptionptr)->detailMessage) {
 901                                 printf(": ");
 902                                 utf_display(javastring_toutf(((java_lang_Throwable *) exceptionptr)->detailMessage, false));
 903                         }
 904                         printf("\n");
 905                 }
 906
 907 #ifdef USE_THREADS
 908                 killThread(currentThread);
 909 #endif
 910                 fprintf(stderr, "still here\n");
 911         }
 912
 913         /************* If requested, compile all methods ********************/
 914
 915         if (compileall) {
 916                 class_compile_methods();
 917         }
 918
 919
 920         /******** If requested, compile a specific method ***************/
 921
 922         if (specificmethodname) {
 923                 methodinfo *m;
 924                 if (specificsignature) {
 925                         m = class_findmethod(topclass,
 926                                                                  utf_new_char(specificmethodname),
 927                                                                  utf_new_char(specificsignature));
 928                 } else {
 929                         m = class_findmethod(topclass,
 930                                                                  utf_new_char(specificmethodname),
 931                                                                  NULL);
 932                 }
 933
 934                 if (!m)
 935                         panic("Specific method not found");
 936
 937                 jit_compile(m);
 938         }
 939
 940         exit(0);
 941 }
 942
 943
 944
 945 /************************************ Shutdown function *********************************
 946
 947         Terminates the system immediately without freeing memory explicitly (to be
 948         used only for abnormal termination)
 949
 950 *****************************************************************************************/
 951
 952 void cacao_shutdown(s4 status)
 953 {
 954         /**** RTAprint ***/
 955
 956         if (verbose || getcompilingtime || statistics) {
 957                 log_text ("CACAO terminated by shutdown");
 958                 if (statistics)
 959                         print_stats();
 960                 if (getcompilingtime)
 961                         print_times();
 962                 mem_usagelog(0);
 963                 dolog("Exit status: %d\n", (int) status);
 964         }
 965
 966         exit(status);
 967 }
 968
 969
 970 /*
 971  * These are local overrides for various environment variables in Emacs.
 972  * Please do not remove this and leave it at the end of the file, where
 973  * Emacs will automagically detect them.
 974  * ---------------------------------------------------------------------
 975  * Local variables:
 976  * mode: c
 977  * indent-tabs-mode: t
 978  * c-basic-offset: 4
 979  * tab-width: 4
 980  * End:
 981  */