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 806 2003-12-21 13:56:27Z 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 bool opt_verify = true;        /* true if classfiles should be verified      */
 107
 108
 109 static classinfo *topclass;
 110
 111 #ifndef USE_THREADS
 112 void **stackbottom = 0;
 113 #endif
 114
 115
 116 /* internal function: get_opt *************************************************
 117
 118         decodes the next command line option
 119
 120 ******************************************************************************/
 121
 122 #define OPT_DONE       -1
 123 #define OPT_ERROR       0
 124 #define OPT_IGNORE      1
 125
 126 #define OPT_CLASSPATH   2
 127 #define OPT_D           3
 128 #define OPT_MS          4
 129 #define OPT_MX          5
 130 #define OPT_VERBOSE1    6
 131 #define OPT_VERBOSE     7
 132 #define OPT_VERBOSEGC   8
 133 #define OPT_VERBOSECALL 9
 134 #define OPT_NOIEEE      10
 135 #define OPT_SOFTNULL    11
 136 #define OPT_TIME        12
 137 #define OPT_STAT        13
 138 #define OPT_LOG         14
 139 #define OPT_CHECK       15
 140 #define OPT_LOAD        16
 141 #define OPT_METHOD      17
 142 #define OPT_SIGNATURE   18
 143 #define OPT_SHOW        19
 144 #define OPT_ALL         20
 145 #define OPT_OLOOP       24
 146 #define OPT_INLINING    25
 147 #define OPT_RT          26
 148 #define OPT_XTA         27
 149 #define OPT_VTA         28
 150 #define OPT_VERBOSETC   29
 151 #define OPT_NOVERIFY    30
 152
 153
 154 struct {char *name; bool arg; int value;} opts[] = {
 155         {"classpath",   true,   OPT_CLASSPATH},
 156         {"D",           true,   OPT_D},
 157         {"ms",          true,   OPT_MS},
 158         {"mx",          true,   OPT_MX},
 159         {"noasyncgc",   false,  OPT_IGNORE},
 160         {"noverify",    false,  OPT_NOVERIFY},
 161         {"oss",         true,   OPT_IGNORE},
 162         {"ss",          true,   OPT_IGNORE},
 163         {"v",           false,  OPT_VERBOSE1},
 164         {"verbose",     false,  OPT_VERBOSE},
 165         {"verbosegc",   false,  OPT_VERBOSEGC},
 166         {"verbosecall", false,  OPT_VERBOSECALL},
 167 #ifdef TYPECHECK_VERBOSE
 168         {"verbosetc",   false,  OPT_VERBOSETC},
 169 #endif
 170 #if defined(__ALPHA__)
 171         {"noieee",      false,  OPT_NOIEEE},
 172 #endif
 173         {"softnull",    false,  OPT_SOFTNULL},
 174         {"time",        false,  OPT_TIME},
 175         {"stat",        false,  OPT_STAT},
 176         {"log",         true,   OPT_LOG},
 177         {"c",           true,   OPT_CHECK},
 178         {"l",           false,  OPT_LOAD},
 179         {"m",           true,   OPT_METHOD},
 180         {"sig",         true,   OPT_SIGNATURE},
 181         {"s",           true,   OPT_SHOW},
 182         {"all",         false,  OPT_ALL},
 183         {"oloop",       false,  OPT_OLOOP},
 184         {"i",               true,   OPT_INLINING},
 185         {"rt",          false,  OPT_RT},
 186         {"xta",         false,  OPT_XTA},
 187         {"vta",         false,  OPT_VTA},
 188         {NULL,  false, 0}
 189 };
 190
 191 static int opt_ind = 1;
 192 static char *opt_arg;
 193
 194
 195 static int get_opt(int argc, char **argv)
 196 {
 197         char *a;
 198         int i;
 199
 200         if (opt_ind >= argc) return OPT_DONE;
 201
 202         a = argv[opt_ind];
 203         if (a[0] != '-') return OPT_DONE;
 204
 205         for (i = 0; opts[i].name; i++) {
 206                 if (!opts[i].arg) {
 207                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 208                                 opt_ind++;
 209                                 return opts[i].value;
 210                         }
 211
 212                 } else {
 213                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 214                                 opt_ind++;
 215                                 if (opt_ind < argc) {
 216                                         opt_arg = argv[opt_ind];
 217                                         opt_ind++;
 218                                         return opts[i].value;
 219                                 }
 220                                 return OPT_ERROR;
 221
 222                         } else {
 223                                 size_t l = strlen(opts[i].name);
 224                                 if (strlen(a + 1) > l) {
 225                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 226                                                 opt_ind++;
 227                                                 opt_arg = a + 1 + l;
 228                                                 return opts[i].value;
 229                                         }
 230                                 }
 231                         }
 232                 }
 233         } /* end for */
 234
 235         return OPT_ERROR;
 236 }
 237
 238
 239
 240
 241 /******************** interne Function: print_usage ************************
 242
 243 Prints the correct usage syntax to stdout.
 244
 245 ***************************************************************************/
 246
 247 static void print_usage()
 248 {
 249         printf("USAGE: cacao [options] classname [program arguments]\n");
 250         printf("Options:\n");
 251         printf("          -classpath path ...... specify a path to look for classes\n");
 252         printf("          -Dpropertyname=value . add an entry to the property list\n");
 253         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 254         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 255         printf("          -v ................... write state-information\n");
 256         printf("          -verbose ............. write more information\n");
 257         printf("          -verbosegc ........... write message for each GC\n");
 258         printf("          -verbosecall ......... write message for each call\n");
 259 #ifdef TYPECHECK_VERBOSE
 260         printf("          -verbosetc ........... write debug messages while typechecking\n");
 261 #endif
 262 #if defined(__ALPHA__)
 263         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 264 #endif
 265         printf("          -noverify ............ don't verify classfiles\n");
 266         printf("          -softnull ............ use software nullpointer check\n");
 267         printf("          -time ................ measure the runtime\n");
 268         printf("          -stat ................ detailed compiler statistics\n");
 269         printf("          -log logfile ......... specify a name for the logfile\n");
 270         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 271         printf("                  s(ync) ....... don't check for synchronization\n");
 272         printf("          -oloop ............... optimize array accesses in loops\n");
 273         printf("          -l ................... don't start the class after loading\n");
 274         printf("          -all ................. compile all methods, no execution\n");
 275         printf("          -m ................... compile only a specific method\n");
 276         printf("          -sig ................. specify signature for a specific method\n");
 277         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 278         printf("                 c(onstants) ... show the constant pool\n");
 279         printf("                 d(atasegment).. show data segment listing\n");
 280         printf("                 i(ntermediate). show intermediate representation\n");
 281         printf("                 m(ethods)...... show class fields and methods\n");
 282         printf("                 u(tf) ......... show the utf - hash\n");
 283         printf("          -i     n ............. activate inlining\n");
 284         printf("                 v ............. inline virtual methods\n");
 285         printf("                 e ............. inline methods with exceptions\n");
 286         printf("                 p ............. optimize argument renaming\n");
 287         printf("                 o ............. inline methods of foreign classes\n");
 288         printf("          -rt .................. use rapid type analysis\n");
 289         printf("          -xta ................. use x type analysis\n");
 290         printf("          -vta ................. use variable type analysis\n");
 291 }
 292
 293
 294
 295 /***************************** Function: print_times *********************
 296
 297         Prints a summary of CPU time usage.
 298
 299 **************************************************************************/
 300
 301 static void print_times()
 302 {
 303         s8 totaltime = getcputime();
 304         s8 runtime = totaltime - loadingtime - compilingtime;
 305         char logtext[MAXLOGTEXT];
 306
 307 #if defined(__I386__)
 308         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 309 #else
 310         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 311 #endif
 312                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 313         log_text(logtext);
 314
 315 #if defined(__I386__)
 316         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 317 #else
 318         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 319 #endif
 320                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 321         log_text(logtext);
 322
 323 #if defined(__I386__)
 324         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 325 #else
 326         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 327 #endif
 328                         runtime / 1000000, (runtime % 1000000) / 1000);
 329         log_text(logtext);
 330
 331 #if defined(__I386__)
 332         sprintf(logtext, "Total time: %lld secs, %lld millis",
 333 #else
 334         sprintf(logtext, "Total time: %ld secs, %ld millis",
 335 #endif
 336                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 337         log_text(logtext);
 338 }
 339
 340
 341
 342
 343
 344
 345 /***************************** Function: print_stats *********************
 346
 347         outputs detailed compiler statistics
 348
 349 **************************************************************************/
 350
 351 static void print_stats()
 352 {
 353         char logtext[MAXLOGTEXT];
 354
 355         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 356         log_text(logtext);
 357         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 358         log_text(logtext);
 359         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 360         log_text(logtext);
 361         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 362         log_text(logtext);
 363         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 364         log_text(logtext);
 365         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 366         log_text(logtext);
 367         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 368                         count_javacodesize - count_methods * 18);
 369         log_text(logtext);
 370         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 371         log_text(logtext);
 372         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 373         log_text(logtext);
 374         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 375         log_text(logtext);
 376         sprintf(logtext, "Number of Spills: %d", count_spills);
 377         log_text(logtext);
 378         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 379         log_text(logtext);
 380         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 381         log_text(logtext);
 382         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 383         log_text(logtext);
 384         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 385         log_text(logtext);
 386         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 387         log_text(logtext);
 388         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 389         log_text(logtext);
 390         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 391         log_text(logtext);
 392         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 393         log_text(logtext);
 394         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 395         log_text(logtext);
 396         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 397         log_text(logtext);
 398         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 399         log_text(logtext);
 400         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 401                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 402         log_text(logtext);
 403         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 404         log_text(logtext);
 405         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 406                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 407         log_text(logtext);
 408         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 409         log_text(logtext);
 410         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 411         log_text(logtext);
 412         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 413         log_text(logtext);
 414         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 415         log_text(logtext);
 416         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 417         log_text(logtext);
 418         sprintf(logtext, "Distribution of stack sizes at block boundary");
 419         log_text(logtext);
 420         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 421         log_text(logtext);
 422         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 423                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 424                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 425                         count_block_stack[9], count_block_stack[10]);
 426         log_text(logtext);
 427         sprintf(logtext, "Distribution of store stack depth");
 428         log_text(logtext);
 429         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 430         log_text(logtext);
 431         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 432                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 433                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 434                         count_store_depth[9], count_store_depth[10]);
 435         log_text(logtext);
 436         sprintf(logtext, "Distribution of store creator chains first part");
 437         log_text(logtext);
 438         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 439         log_text(logtext);
 440         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 441                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 442                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 443                         count_store_length[9]);
 444         log_text(logtext);
 445         sprintf(logtext, "Distribution of store creator chains second part");
 446         log_text(logtext);
 447         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 448         log_text(logtext);
 449         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 450                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 451                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 452                         count_store_length[19], count_store_length[20]);
 453         log_text(logtext);
 454         sprintf(logtext, "Distribution of analysis iterations");
 455         log_text(logtext);
 456         sprintf(logtext, "    1    2    3    4    >=5");
 457         log_text(logtext);
 458         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 459                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 460         log_text(logtext);
 461         sprintf(logtext, "Distribution of basic blocks per method");
 462         log_text(logtext);
 463         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 464         log_text(logtext);
 465         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 466                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 467                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 468                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 469         log_text(logtext);
 470         sprintf(logtext, "Distribution of basic block sizes");
 471         log_text(logtext);
 472         sprintf(logtext,
 473                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 474         log_text(logtext);
 475         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 476                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 477                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 478                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 479                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 480                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 481                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 482         log_text(logtext);
 483         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 484         log_text(logtext);
 485         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 486         log_text(logtext);
 487         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 488         log_text(logtext);
 489         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 490         log_text(logtext);
 491         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 492         log_text(logtext);
 493         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 494         log_text(logtext);
 495         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 496         log_text(logtext);
 497         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 498         log_text(logtext);
 499         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 500                         count_vmcode_len - 18 * count_all_methods);
 501         log_text(logtext);
 502         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 503         log_text(logtext);
 504         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 505         log_text(logtext);
 506         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 507         log_text(logtext);
 508         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 509         log_text(logtext);
 510
 511         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 512         log_text(logtext);
 513         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 514         log_text(logtext);
 515 }
 516
 517
 518
 519 /********** Function: class_compile_methods   (debugging only) ********/
 520
 521 void class_compile_methods ()
 522 {
 523         int        i;
 524         classinfo  *c;
 525         methodinfo *m;
 526
 527         c = list_first (&linkedclasses);
 528         while (c) {
 529                 for (i = 0; i < c -> methodscount; i++) {
 530                         m = &(c->methods[i]);
 531                         if (m->jcode) {
 532                                 (void) jit_compile(m);
 533                         }
 534                 }
 535                 c = list_next(&linkedclasses, c);
 536         }
 537 }
 538
 539
 540
 541 /*
 542  * void exit_handler(void)
 543  * -----------------------
 544  * The exit_handler function is called upon program termination to shutdown
 545  * the various subsystems and release the resources allocated to the VM.
 546  */
 547 void exit_handler(void)
 548 {
 549         /********************* Print debug tables ************************/
 550
 551         if (showmethods) class_showmethods(topclass);
 552         if (showconstantpool) class_showconstantpool(topclass);
 553         if (showutf) utf_show();
 554
 555 #ifdef USE_THREADS
 556         clear_thread_flags();           /* restores standard file descriptor
 557                                        flags */
 558 #endif
 559
 560         /************************ Free all resources *******************/
 561
 562         heap_close();               /* must be called before compiler_close and
 563                                        loader_close because finalization occurs
 564                                        here */
 565
 566         loader_close();
 567         tables_close(literalstring_free);
 568
 569         if (verbose || getcompilingtime || statistics) {
 570                 log_text("CACAO terminated");
 571                 if (statistics)
 572                         print_stats();
 573                 if (getcompilingtime)
 574                         print_times();
 575                 mem_usagelog(1);
 576         }
 577 }
 578
 579
 580 /************************** Function: main *******************************
 581
 582    The main program.
 583
 584 **************************************************************************/
 585
 586 int main(int argc, char **argv)
 587 {
 588         s4 i, j;
 589         char *cp;
 590         void *dummy;
 591
 592         /********** interne (nur fuer main relevante Optionen) **************/
 593
 594         char logfilename[200] = "";
 595         u4 heapsize = 64000000;
 596         u4 heapstartsize = 200000;
 597         char classpath[500] = ".";
 598         bool startit = true;
 599         char *specificmethodname = NULL;
 600         char *specificsignature = NULL;
 601
 602 #ifndef USE_THREADS
 603         stackbottom = &dummy;
 604 #endif
 605
 606         if (0 != atexit(exit_handler))
 607                 panic("unable to register exit_handler");
 608
 609         /************ Collect info from the environment ************************/
 610
 611         cp = getenv("CLASSPATH");
 612         if (cp) {
 613                 strcpy(classpath, cp);
 614         }
 615
 616         /***************** Interpret the command line *****************/
 617
 618         checknull = false;
 619         opt_noieee = false;
 620
 621         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 622                 switch (i) {
 623                 case OPT_IGNORE: break;
 624
 625                 case OPT_CLASSPATH:
 626                         strcpy(classpath + strlen(classpath), ":");
 627                         strcpy(classpath + strlen(classpath), opt_arg);
 628                         break;
 629
 630                 case OPT_D:
 631                         {
 632                                 int n;
 633                                 int l = strlen(opt_arg);
 634                                 for (n = 0; n < l; n++) {
 635                                         if (opt_arg[n] == '=') {
 636                                                 opt_arg[n] = '\0';
 637                                                 attach_property(opt_arg, opt_arg + n + 1);
 638                                                 goto didit;
 639                                         }
 640                                 }
 641                                 print_usage();
 642                                 exit(10);
 643
 644                         didit: ;
 645                         }
 646                         break;
 647
 648                 case OPT_MS:
 649                 case OPT_MX:
 650                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 651                                 j = 1024 * atoi(opt_arg);
 652                         }
 653                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 654                                 j = 1024 * 1024 * atoi(opt_arg);
 655                         }
 656                         else j = atoi(opt_arg);
 657
 658                         if (i == OPT_MX) heapsize = j;
 659                         else heapstartsize = j;
 660                         break;
 661
 662                 case OPT_VERBOSE1:
 663                         verbose = true;
 664                         break;
 665
 666                 case OPT_VERBOSE:
 667                         verbose = true;
 668                         loadverbose = true;
 669                         initverbose = true;
 670                         compileverbose = true;
 671                         break;
 672
 673                 case OPT_VERBOSEGC:
 674                         collectverbose = true;
 675                         break;
 676
 677 #ifdef TYPECHECK_VERBOSE
 678                 case OPT_VERBOSETC:
 679                         typecheckverbose = true;
 680                         break;
 681 #endif
 682
 683                 case OPT_VERBOSECALL:
 684                         runverbose = true;
 685                         break;
 686
 687                 case OPT_NOIEEE:
 688                         opt_noieee = true;
 689                         break;
 690
 691                 case OPT_NOVERIFY:
 692                         opt_verify = false;
 693                         break;
 694
 695                 case OPT_SOFTNULL:
 696                         checknull = true;
 697                         break;
 698
 699                 case OPT_TIME:
 700                         getcompilingtime = true;
 701                         getloadingtime = true;
 702                         break;
 703
 704                 case OPT_STAT:
 705                         statistics = true;
 706                         break;
 707
 708                 case OPT_LOG:
 709                         strcpy(logfilename, opt_arg);
 710                         break;
 711
 712                 case OPT_CHECK:
 713                         for (j = 0; j < strlen(opt_arg); j++) {
 714                                 switch (opt_arg[j]) {
 715                                 case 'b':
 716                                         checkbounds = false;
 717                                         break;
 718                                 case 's':
 719                                         checksync = false;
 720                                         break;
 721                                 default:
 722                                         print_usage();
 723                                         exit(10);
 724                                 }
 725                         }
 726                         break;
 727
 728                 case OPT_LOAD:
 729                         startit = false;
 730                         makeinitializations = false;
 731                         break;
 732
 733                 case OPT_METHOD:
 734                         startit = false;
 735                         specificmethodname = opt_arg;
 736                         makeinitializations = false;
 737                         break;
 738
 739                 case OPT_SIGNATURE:
 740                         specificsignature = opt_arg;
 741                         break;
 742
 743                 case OPT_ALL:
 744                         compileall = true;
 745                         startit = false;
 746                         makeinitializations = false;
 747                         break;
 748
 749                 case OPT_SHOW:       /* Display options */
 750                         for (j = 0; j < strlen(opt_arg); j++) {
 751                                 switch (opt_arg[j]) {
 752                                 case 'a':
 753                                         showdisassemble = true;
 754                                         compileverbose=true;
 755                                         break;
 756                                 case 'c':
 757                                         showconstantpool = true;
 758                                         break;
 759                                 case 'd':
 760                                         showddatasegment = true;
 761                                         break;
 762                                 case 'i':
 763                                         showintermediate = true;
 764                                         compileverbose = true;
 765                                         break;
 766                                 case 'm':
 767                                         showmethods = true;
 768                                         break;
 769                                 case 'u':
 770                                         showutf = true;
 771                                         break;
 772                                 default:
 773                                         print_usage();
 774                                         exit(10);
 775                                 }
 776                         }
 777                         break;
 778
 779                 case OPT_OLOOP:
 780                         opt_loops = true;
 781                         break;
 782
 783                 case OPT_INLINING:
 784                         for (j = 0; j < strlen(opt_arg); j++) {
 785                                 switch (opt_arg[j]) {
 786                                 case 'n':
 787                                         useinlining = true;
 788                                         break;
 789                                 case 'v':
 790                                         inlinevirtuals = true;
 791                                         break;
 792                                 case 'e':
 793                                         inlineexceptions = true;
 794                                         break;
 795                                 case 'p':
 796                                         inlineparamopt = true;
 797                                         break;
 798                                 case 'o':
 799                                         inlineoutsiders = true;
 800                                         break;
 801                                 default:
 802                                         print_usage();
 803                                         exit(10);
 804                                 }
 805                         }
 806                         break;
 807
 808                 case OPT_RT:
 809                         opt_rt = true;
 810                         break;
 811
 812                 case OPT_XTA:
 813                         opt_xta = false; /**not yet **/
 814                         break;
 815
 816                 case OPT_VTA:
 817                         /***opt_vta = true; not yet **/
 818                         break;
 819
 820                 default:
 821                         print_usage();
 822                         exit(10);
 823                 }
 824         }
 825
 826
 827         if (opt_ind >= argc) {
 828                 print_usage();
 829                 exit(10);
 830         }
 831
 832
 833         /**************************** Program start *****************************/
 834
 835         log_init(logfilename);
 836         if (verbose) {
 837                 log_text("CACAO started -------------------------------------------------------");
 838         }
 839
 840         suck_init(classpath);
 841         native_setclasspath(classpath);
 842
 843         tables_init();
 844         heap_init(heapsize, heapstartsize, &dummy);
 845
 846         log_text("calling jit_init");
 847         jit_init();
 848
 849         log_text("calling loader_init");
 850         loader_init((u1 *) &dummy);
 851
 852         log_text("calling native_loadclasses");
 853         native_loadclasses();
 854
 855
 856         /*********************** Load JAVA classes  ***************************/
 857
 858         cp = argv[opt_ind++];
 859         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 860                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 861         }
 862
 863         topclass = loader_load(utf_new_char(cp));
 864
 865         if (exceptionptr != 0) {
 866                 printf("Exception in thread \"main\" ");
 867                 utf_display(exceptionptr->vftbl->class->name);
 868                 printf(": ");
 869                 utf_display(javastring_toutf(((java_lang_Throwable *) exceptionptr)->detailMessage, false));
 870                 printf("\n");
 871
 872                 exceptionptr = 0;
 873         }
 874
 875         if (topclass == 0) {
 876                 /* should we print out something? we already have the exception */
 877                 exit(1);
 878         }
 879
 880         /* initialize the garbage collector */
 881         gc_init();
 882
 883 #ifdef USE_THREADS
 884         initThreads((u1*) &dummy);
 885 #endif
 886
 887
 888         /************************* Start worker routines ********************/
 889
 890         if (startit) {
 891                 methodinfo *mainmethod;
 892                 java_objectarray *a;
 893
 894 /*              heap_addreference((void**) &a); */
 895
 896                 mainmethod = class_findmethod(topclass,
 897                                                                           utf_new_char("main"),
 898                                                                           utf_new_char("([Ljava/lang/String;)V")
 899                                                                           );
 900
 901                 /* there is no main method or it isn't static */
 902                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 903                         printf("Exception in thread \"main\" java.lang.NoSuchMethodError: main\n");
 904                         exit(1);
 905                 }
 906
 907                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 908                 for (i = opt_ind; i < argc; i++) {
 909                         a->data[i - opt_ind] =
 910                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 911                 }
 912
 913 #ifdef TYPEINFO_DEBUG_TEST
 914                 /* test the typeinfo system */
 915                 typeinfo_test();
 916 #endif
 917                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 918
 919                 /* here we go... */
 920                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 921
 922                 if (exceptionptr) {
 923                         printf("Exception in thread \"main\" ");
 924                         utf_display(exceptionptr->vftbl->class->name);
 925
 926                         /* do we have a detail message? */
 927                         if (((java_lang_Throwable *) exceptionptr)->detailMessage) {
 928                                 printf(": ");
 929                                 utf_display(javastring_toutf(((java_lang_Throwable *) exceptionptr)->detailMessage, false));
 930                         }
 931                         printf("\n");
 932                 }
 933
 934 #ifdef USE_THREADS
 935                 killThread(currentThread);
 936 #endif
 937                 fprintf(stderr, "still here\n");
 938         }
 939
 940         /************* If requested, compile all methods ********************/
 941
 942         if (compileall) {
 943                 class_compile_methods();
 944         }
 945
 946
 947         /******** If requested, compile a specific method ***************/
 948
 949         if (specificmethodname) {
 950                 methodinfo *m;
 951                 if (specificsignature) {
 952                         m = class_findmethod(topclass,
 953                                                                  utf_new_char(specificmethodname),
 954                                                                  utf_new_char(specificsignature));
 955                 } else {
 956                         m = class_findmethod(topclass,
 957                                                                  utf_new_char(specificmethodname),
 958                                                                  NULL);
 959                 }
 960
 961                 if (!m)
 962                         panic("Specific method not found");
 963
 964                 jit_compile(m);
 965         }
 966
 967         exit(0);
 968 }
 969
 970
 971
 972 /************************************ Shutdown function *********************************
 973
 974         Terminates the system immediately without freeing memory explicitly (to be
 975         used only for abnormal termination)
 976
 977 *****************************************************************************************/
 978
 979 void cacao_shutdown(s4 status)
 980 {
 981         /**** RTAprint ***/
 982
 983         if (verbose || getcompilingtime || statistics) {
 984                 log_text ("CACAO terminated by shutdown");
 985                 if (statistics)
 986                         print_stats();
 987                 if (getcompilingtime)
 988                         print_times();
 989                 mem_usagelog(0);
 990                 dolog("Exit status: %d\n", (int) status);
 991         }
 992
 993         exit(status);
 994 }
 995
 996
 997 /*
 998  * These are local overrides for various environment variables in Emacs.
 999  * Please do not remove this and leave it at the end of the file, where
1000  * Emacs will automagically detect them.
1001  * ---------------------------------------------------------------------
1002  * Local variables:
1003  * mode: c
1004  * indent-tabs-mode: t
1005  * c-basic-offset: 4
1006  * tab-width: 4
1007  * End:
1008  */