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 889 2004-01-19 12:18:14Z edwin $
  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 "nat/java_lang_Throwable.h"
  61
  62 #ifdef TYPEINFO_DEBUG_TEST
  63 #include "typeinfo.h"
  64 #endif
  65
  66 /* command line option */
  67
  68 bool verbose =  false;
  69 bool compileall = false;
  70 bool runverbose = false;       /* trace all method invocation                */
  71 bool collectverbose = false;
  72
  73 bool loadverbose = false;
  74 bool linkverbose = false;
  75 bool initverbose = false;
  76
  77 bool opt_rt = false;           /* true if RTA parse should be used     RT-CO */
  78 bool opt_xta = false;          /* true if XTA parse should be used    XTA-CO */
  79 bool opt_vta = false;          /* true if VTA parse should be used    VTA-CO */
  80
  81 bool showmethods = false;
  82 bool showconstantpool = false;
  83 bool showutf = false;
  84
  85 bool compileverbose =  false;  /* trace compiler actions                     */
  86 bool showstack = false;
  87 bool showdisassemble = false;  /* generate disassembler listing              */
  88 bool showddatasegment = false; /* generate data segment listing              */
  89 bool showintermediate = false; /* generate intermediate code listing         */
  90
  91 bool useinlining = false;      /* use method inlining                        */
  92 bool inlinevirtuals = false;   /* inline unique virtual methods              */
  93 bool inlineexceptions = false; /* inline methods, that contain excptions     */
  94 bool inlineparamopt = false;   /* optimize parameter passing to inlined methods */
  95 bool inlineoutsiders = false;  /* inline methods, that are not member of the invoker's class */
  96
  97 bool checkbounds = true;       /* check array bounds                         */
  98 bool checknull = true;         /* check null pointers                        */
  99 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
 100 bool checksync = true;         /* do synchronization                         */
 101 bool opt_loops = false;        /* optimize array accesses in loops           */
 102
 103 bool makeinitializations = true;
 104
 105 bool getloadingtime = false;   /* to measure the runtime                     */
 106 s8 loadingtime = 0;
 107
 108 bool getcompilingtime = false; /* compute compile time                       */
 109 s8 compilingtime = 0;          /* accumulated compile time                   */
 110
 111 int has_ext_instr_set = 0;     /* has instruction set extensions */
 112
 113 bool statistics = false;
 114
 115 bool opt_verify = true;        /* true if classfiles should be verified      */
 116
 117
 118 static classinfo *topclass;
 119
 120 #ifndef USE_THREADS
 121 void **stackbottom = 0;
 122 #endif
 123
 124
 125 /* internal function: get_opt *************************************************
 126
 127         decodes the next command line option
 128
 129 ******************************************************************************/
 130
 131 #define OPT_DONE       -1
 132 #define OPT_ERROR       0
 133 #define OPT_IGNORE      1
 134
 135 #define OPT_CLASSPATH   2
 136 #define OPT_D           3
 137 #define OPT_MS          4
 138 #define OPT_MX          5
 139 #define OPT_VERBOSE1    6
 140 #define OPT_VERBOSE     7
 141 #define OPT_VERBOSEGC   8
 142 #define OPT_VERBOSECALL 9
 143 #define OPT_NOIEEE      10
 144 #define OPT_SOFTNULL    11
 145 #define OPT_TIME        12
 146 #define OPT_STAT        13
 147 #define OPT_LOG         14
 148 #define OPT_CHECK       15
 149 #define OPT_LOAD        16
 150 #define OPT_METHOD      17
 151 #define OPT_SIGNATURE   18
 152 #define OPT_SHOW        19
 153 #define OPT_ALL         20
 154 #define OPT_OLOOP       24
 155 #define OPT_INLINING    25
 156 #define OPT_RT          26
 157 #define OPT_XTA         27
 158 #define OPT_VTA         28
 159 #define OPT_VERBOSETC   29
 160 #define OPT_NOVERIFY    30
 161
 162
 163 struct {char *name; bool arg; int value;} opts[] = {
 164         {"classpath",   true,   OPT_CLASSPATH},
 165         {"D",           true,   OPT_D},
 166         {"ms",          true,   OPT_MS},
 167         {"mx",          true,   OPT_MX},
 168         {"noasyncgc",   false,  OPT_IGNORE},
 169         {"noverify",    false,  OPT_NOVERIFY},
 170         {"oss",         true,   OPT_IGNORE},
 171         {"ss",          true,   OPT_IGNORE},
 172         {"v",           false,  OPT_VERBOSE1},
 173         {"verbose",     false,  OPT_VERBOSE},
 174         {"verbosegc",   false,  OPT_VERBOSEGC},
 175         {"verbosecall", false,  OPT_VERBOSECALL},
 176 #ifdef TYPECHECK_VERBOSE
 177         {"verbosetc",   false,  OPT_VERBOSETC},
 178 #endif
 179 #if defined(__ALPHA__)
 180         {"noieee",      false,  OPT_NOIEEE},
 181 #endif
 182         {"softnull",    false,  OPT_SOFTNULL},
 183         {"time",        false,  OPT_TIME},
 184         {"stat",        false,  OPT_STAT},
 185         {"log",         true,   OPT_LOG},
 186         {"c",           true,   OPT_CHECK},
 187         {"l",           false,  OPT_LOAD},
 188         {"m",           true,   OPT_METHOD},
 189         {"sig",         true,   OPT_SIGNATURE},
 190         {"s",           true,   OPT_SHOW},
 191         {"all",         false,  OPT_ALL},
 192         {"oloop",       false,  OPT_OLOOP},
 193         {"i",               true,   OPT_INLINING},
 194         {"rt",          false,  OPT_RT},
 195         {"xta",         false,  OPT_XTA},
 196         {"vta",         false,  OPT_VTA},
 197         {NULL,  false, 0}
 198 };
 199
 200 static int opt_ind = 1;
 201 static char *opt_arg;
 202
 203
 204 static int get_opt(int argc, char **argv)
 205 {
 206         char *a;
 207         int i;
 208
 209         if (opt_ind >= argc) return OPT_DONE;
 210
 211         a = argv[opt_ind];
 212         if (a[0] != '-') return OPT_DONE;
 213
 214         for (i = 0; opts[i].name; i++) {
 215                 if (!opts[i].arg) {
 216                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 217                                 opt_ind++;
 218                                 return opts[i].value;
 219                         }
 220
 221                 } else {
 222                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 223                                 opt_ind++;
 224                                 if (opt_ind < argc) {
 225                                         opt_arg = argv[opt_ind];
 226                                         opt_ind++;
 227                                         return opts[i].value;
 228                                 }
 229                                 return OPT_ERROR;
 230
 231                         } else {
 232                                 size_t l = strlen(opts[i].name);
 233                                 if (strlen(a + 1) > l) {
 234                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 235                                                 opt_ind++;
 236                                                 opt_arg = a + 1 + l;
 237                                                 return opts[i].value;
 238                                         }
 239                                 }
 240                         }
 241                 }
 242         } /* end for */
 243
 244         return OPT_ERROR;
 245 }
 246
 247
 248
 249
 250 /******************** interne Function: print_usage ************************
 251
 252 Prints the correct usage syntax to stdout.
 253
 254 ***************************************************************************/
 255
 256 static void print_usage()
 257 {
 258         printf("USAGE: cacao [options] classname [program arguments]\n");
 259         printf("Options:\n");
 260         printf("          -classpath path ...... specify a path to look for classes\n");
 261         printf("          -Dpropertyname=value . add an entry to the property list\n");
 262         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 263         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 264         printf("          -v ................... write state-information\n");
 265         printf("          -verbose ............. write more information\n");
 266         printf("          -verbosegc ........... write message for each GC\n");
 267         printf("          -verbosecall ......... write message for each call\n");
 268 #ifdef TYPECHECK_VERBOSE
 269         printf("          -verbosetc ........... write debug messages while typechecking\n");
 270 #endif
 271 #if defined(__ALPHA__)
 272         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 273 #endif
 274         printf("          -noverify ............ don't verify classfiles\n");
 275         printf("          -softnull ............ use software nullpointer check\n");
 276         printf("          -time ................ measure the runtime\n");
 277         printf("          -stat ................ detailed compiler statistics\n");
 278         printf("          -log logfile ......... specify a name for the logfile\n");
 279         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 280         printf("                  s(ync) ....... don't check for synchronization\n");
 281         printf("          -oloop ............... optimize array accesses in loops\n");
 282         printf("          -l ................... don't start the class after loading\n");
 283         printf("          -all ................. compile all methods, no execution\n");
 284         printf("          -m ................... compile only a specific method\n");
 285         printf("          -sig ................. specify signature for a specific method\n");
 286         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 287         printf("                 c(onstants) ... show the constant pool\n");
 288         printf("                 d(atasegment).. show data segment listing\n");
 289         printf("                 i(ntermediate). show intermediate representation\n");
 290         printf("                 m(ethods)...... show class fields and methods\n");
 291         printf("                 u(tf) ......... show the utf - hash\n");
 292         printf("          -i     n ............. activate inlining\n");
 293         printf("                 v ............. inline virtual methods\n");
 294         printf("                 e ............. inline methods with exceptions\n");
 295         printf("                 p ............. optimize argument renaming\n");
 296         printf("                 o ............. inline methods of foreign classes\n");
 297         printf("          -rt .................. use rapid type analysis\n");
 298         printf("          -xta ................. use x type analysis\n");
 299         printf("          -vta ................. use variable type analysis\n");
 300 }
 301
 302
 303
 304 /***************************** Function: print_times *********************
 305
 306         Prints a summary of CPU time usage.
 307
 308 **************************************************************************/
 309
 310 static void print_times()
 311 {
 312         s8 totaltime = getcputime();
 313         s8 runtime = totaltime - loadingtime - compilingtime;
 314         char logtext[MAXLOGTEXT];
 315
 316 #if defined(__I386__)
 317         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 318 #else
 319         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 320 #endif
 321                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 322         log_text(logtext);
 323
 324 #if defined(__I386__)
 325         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 326 #else
 327         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 328 #endif
 329                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 330         log_text(logtext);
 331
 332 #if defined(__I386__)
 333         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 334 #else
 335         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 336 #endif
 337                         runtime / 1000000, (runtime % 1000000) / 1000);
 338         log_text(logtext);
 339
 340 #if defined(__I386__)
 341         sprintf(logtext, "Total time: %lld secs, %lld millis",
 342 #else
 343         sprintf(logtext, "Total time: %ld secs, %ld millis",
 344 #endif
 345                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 346         log_text(logtext);
 347 }
 348
 349
 350
 351
 352
 353
 354 /***************************** Function: print_stats *********************
 355
 356         outputs detailed compiler statistics
 357
 358 **************************************************************************/
 359
 360 static void print_stats()
 361 {
 362         char logtext[MAXLOGTEXT];
 363
 364         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 365         log_text(logtext);
 366         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 367         log_text(logtext);
 368         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 369         log_text(logtext);
 370         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 371         log_text(logtext);
 372         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 373         log_text(logtext);
 374         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 375         log_text(logtext);
 376         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 377                         count_javacodesize - count_methods * 18);
 378         log_text(logtext);
 379         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 380         log_text(logtext);
 381         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 382         log_text(logtext);
 383         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 384         log_text(logtext);
 385         sprintf(logtext, "Number of Spills: %d", count_spills);
 386         log_text(logtext);
 387         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 388         log_text(logtext);
 389         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 390         log_text(logtext);
 391         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 392         log_text(logtext);
 393         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 394         log_text(logtext);
 395         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 396         log_text(logtext);
 397         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 398         log_text(logtext);
 399         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 400         log_text(logtext);
 401         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 402         log_text(logtext);
 403         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 404         log_text(logtext);
 405         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 406         log_text(logtext);
 407         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 408         log_text(logtext);
 409         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 410                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 411         log_text(logtext);
 412         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 413         log_text(logtext);
 414         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 415                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 416         log_text(logtext);
 417         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 418         log_text(logtext);
 419         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 420         log_text(logtext);
 421         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 422         log_text(logtext);
 423         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 424         log_text(logtext);
 425         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 426         log_text(logtext);
 427         sprintf(logtext, "Distribution of stack sizes at block boundary");
 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_block_stack[0],
 432                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 433                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 434                         count_block_stack[9], count_block_stack[10]);
 435         log_text(logtext);
 436         sprintf(logtext, "Distribution of store stack depth");
 437         log_text(logtext);
 438         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 439         log_text(logtext);
 440         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 441                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 442                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 443                         count_store_depth[9], count_store_depth[10]);
 444         log_text(logtext);
 445         sprintf(logtext, "Distribution of store creator chains first part");
 446         log_text(logtext);
 447         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 448         log_text(logtext);
 449         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 450                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 451                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 452                         count_store_length[9]);
 453         log_text(logtext);
 454         sprintf(logtext, "Distribution of store creator chains second part");
 455         log_text(logtext);
 456         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 457         log_text(logtext);
 458         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 459                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 460                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 461                         count_store_length[19], count_store_length[20]);
 462         log_text(logtext);
 463         sprintf(logtext, "Distribution of analysis iterations");
 464         log_text(logtext);
 465         sprintf(logtext, "    1    2    3    4    >=5");
 466         log_text(logtext);
 467         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 468                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 469         log_text(logtext);
 470         sprintf(logtext, "Distribution of basic blocks per method");
 471         log_text(logtext);
 472         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 473         log_text(logtext);
 474         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 475                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 476                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 477                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 478         log_text(logtext);
 479         sprintf(logtext, "Distribution of basic block sizes");
 480         log_text(logtext);
 481         sprintf(logtext,
 482                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 483         log_text(logtext);
 484         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 485                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 486                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 487                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 488                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 489                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 490                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 491         log_text(logtext);
 492         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 493         log_text(logtext);
 494         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 495         log_text(logtext);
 496         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 497         log_text(logtext);
 498         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 499         log_text(logtext);
 500         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 501         log_text(logtext);
 502         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 503         log_text(logtext);
 504         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 505         log_text(logtext);
 506         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 507         log_text(logtext);
 508         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 509                         count_vmcode_len - 18 * count_all_methods);
 510         log_text(logtext);
 511         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 512         log_text(logtext);
 513         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 514         log_text(logtext);
 515         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 516         log_text(logtext);
 517         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 518         log_text(logtext);
 519
 520         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 521         log_text(logtext);
 522         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 523         log_text(logtext);
 524 }
 525
 526
 527 /********** Function: class_compile_methods   (debugging only) ********/
 528
 529 void class_compile_methods()
 530 {
 531         int        i;
 532         classinfo  *c;
 533         methodinfo *m;
 534
 535         c = list_first(&linkedclasses);
 536         while (c) {
 537                 for (i = 0; i < c -> methodscount; i++) {
 538                         m = &(c->methods[i]);
 539                         if (m->jcode) {
 540                                 (void) jit_compile(m);
 541                         }
 542                 }
 543                 c = list_next(&linkedclasses, c);
 544         }
 545 }
 546
 547 #ifdef TYPECHECK_STATISTICS
 548 void typecheck_print_statistics(FILE *file);
 549 #endif
 550
 551 /*
 552  * void exit_handler(void)
 553  * -----------------------
 554  * The exit_handler function is called upon program termination to shutdown
 555  * the various subsystems and release the resources allocated to the VM.
 556  */
 557 void exit_handler(void)
 558 {
 559         /********************* Print debug tables ************************/
 560
 561         if (showmethods) class_showmethods(topclass);
 562         if (showconstantpool) class_showconstantpool(topclass);
 563         if (showutf) utf_show();
 564
 565 #ifdef USE_THREADS
 566         clear_thread_flags();           /* restores standard file descriptor
 567                                        flags */
 568 #endif
 569
 570         /************************ Free all resources *******************/
 571
 572         heap_close();               /* must be called before compiler_close and
 573                                        loader_close because finalization occurs
 574                                        here */
 575
 576         loader_close();
 577         tables_close(literalstring_free);
 578
 579         if (verbose || getcompilingtime || statistics) {
 580                 log_text("CACAO terminated");
 581                 if (statistics) {
 582                         print_stats();
 583 #ifdef TYPECHECK_STATISTICS
 584                         typecheck_print_statistics(get_logfile());
 585 #endif
 586                 }
 587                 if (getcompilingtime)
 588                         print_times();
 589                 mem_usagelog(1);
 590         }
 591 }
 592
 593
 594 /************************** Function: main *******************************
 595
 596    The main program.
 597
 598 **************************************************************************/
 599
 600 int main(int argc, char **argv)
 601 {
 602         s4 i, j;
 603         char *cp;
 604         void *dummy;
 605
 606         /********** interne (nur fuer main relevante Optionen) **************/
 607
 608         char logfilename[200] = "";
 609         u4 heapsize = 64000000;
 610         u4 heapstartsize = 200000;
 611         char classpath[500] = ".";
 612         bool startit = true;
 613         char *specificmethodname = NULL;
 614         char *specificsignature = NULL;
 615
 616 #ifndef USE_THREADS
 617         stackbottom = &dummy;
 618 #endif
 619
 620         if (0 != atexit(exit_handler))
 621                 panic("unable to register exit_handler");
 622
 623         /************ Collect info from the environment ************************/
 624
 625         cp = getenv("CLASSPATH");
 626         if (cp) {
 627                 strcpy(classpath, cp);
 628         }
 629
 630         /***************** Interpret the command line *****************/
 631
 632         checknull = false;
 633         opt_noieee = false;
 634
 635         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 636                 switch (i) {
 637                 case OPT_IGNORE: break;
 638
 639                 case OPT_CLASSPATH:
 640                         strcpy(classpath + strlen(classpath), ":");
 641                         strcpy(classpath + strlen(classpath), opt_arg);
 642                         break;
 643
 644                 case OPT_D:
 645                         {
 646                                 int n;
 647                                 int l = strlen(opt_arg);
 648                                 for (n = 0; n < l; n++) {
 649                                         if (opt_arg[n] == '=') {
 650                                                 opt_arg[n] = '\0';
 651                                                 attach_property(opt_arg, opt_arg + n + 1);
 652                                                 goto didit;
 653                                         }
 654                                 }
 655                                 print_usage();
 656                                 exit(10);
 657
 658                         didit: ;
 659                         }
 660                         break;
 661
 662                 case OPT_MS:
 663                 case OPT_MX:
 664                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 665                                 j = 1024 * atoi(opt_arg);
 666                         }
 667                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 668                                 j = 1024 * 1024 * atoi(opt_arg);
 669                         }
 670                         else j = atoi(opt_arg);
 671
 672                         if (i == OPT_MX) heapsize = j;
 673                         else heapstartsize = j;
 674                         break;
 675
 676                 case OPT_VERBOSE1:
 677                         verbose = true;
 678                         break;
 679
 680                 case OPT_VERBOSE:
 681                         verbose = true;
 682                         loadverbose = true;
 683                         initverbose = true;
 684                         compileverbose = true;
 685                         break;
 686
 687                 case OPT_VERBOSEGC:
 688                         collectverbose = true;
 689                         break;
 690
 691 #ifdef TYPECHECK_VERBOSE
 692                 case OPT_VERBOSETC:
 693                         typecheckverbose = true;
 694                         break;
 695 #endif
 696
 697                 case OPT_VERBOSECALL:
 698                         runverbose = true;
 699                         break;
 700
 701                 case OPT_NOIEEE:
 702                         opt_noieee = true;
 703                         break;
 704
 705                 case OPT_NOVERIFY:
 706                         opt_verify = false;
 707                         break;
 708
 709                 case OPT_SOFTNULL:
 710                         checknull = true;
 711                         break;
 712
 713                 case OPT_TIME:
 714                         getcompilingtime = true;
 715                         getloadingtime = true;
 716                         break;
 717
 718                 case OPT_STAT:
 719                         statistics = true;
 720                         break;
 721
 722                 case OPT_LOG:
 723                         strcpy(logfilename, opt_arg);
 724                         break;
 725
 726                 case OPT_CHECK:
 727                         for (j = 0; j < strlen(opt_arg); j++) {
 728                                 switch (opt_arg[j]) {
 729                                 case 'b':
 730                                         checkbounds = false;
 731                                         break;
 732                                 case 's':
 733                                         checksync = false;
 734                                         break;
 735                                 default:
 736                                         print_usage();
 737                                         exit(10);
 738                                 }
 739                         }
 740                         break;
 741
 742                 case OPT_LOAD:
 743                         startit = false;
 744                         makeinitializations = false;
 745                         break;
 746
 747                 case OPT_METHOD:
 748                         startit = false;
 749                         specificmethodname = opt_arg;
 750                         makeinitializations = false;
 751                         break;
 752
 753                 case OPT_SIGNATURE:
 754                         specificsignature = opt_arg;
 755                         break;
 756
 757                 case OPT_ALL:
 758                         compileall = true;
 759                         startit = false;
 760                         makeinitializations = false;
 761                         break;
 762
 763                 case OPT_SHOW:       /* Display options */
 764                         for (j = 0; j < strlen(opt_arg); j++) {
 765                                 switch (opt_arg[j]) {
 766                                 case 'a':
 767                                         showdisassemble = true;
 768                                         compileverbose=true;
 769                                         break;
 770                                 case 'c':
 771                                         showconstantpool = true;
 772                                         break;
 773                                 case 'd':
 774                                         showddatasegment = true;
 775                                         break;
 776                                 case 'i':
 777                                         showintermediate = true;
 778                                         compileverbose = true;
 779                                         break;
 780                                 case 'm':
 781                                         showmethods = true;
 782                                         break;
 783                                 case 'u':
 784                                         showutf = true;
 785                                         break;
 786                                 default:
 787                                         print_usage();
 788                                         exit(10);
 789                                 }
 790                         }
 791                         break;
 792
 793                 case OPT_OLOOP:
 794                         opt_loops = true;
 795                         break;
 796
 797                 case OPT_INLINING:
 798                         for (j = 0; j < strlen(opt_arg); j++) {
 799                                 switch (opt_arg[j]) {
 800                                 case 'n':
 801                                         useinlining = true;
 802                                         break;
 803                                 case 'v':
 804                                         inlinevirtuals = true;
 805                                         break;
 806                                 case 'e':
 807                                         inlineexceptions = true;
 808                                         break;
 809                                 case 'p':
 810                                         inlineparamopt = true;
 811                                         break;
 812                                 case 'o':
 813                                         inlineoutsiders = true;
 814                                         break;
 815                                 default:
 816                                         print_usage();
 817                                         exit(10);
 818                                 }
 819                         }
 820                         break;
 821
 822                 case OPT_RT:
 823                         opt_rt = true;
 824                         break;
 825
 826                 case OPT_XTA:
 827                         opt_xta = false; /**not yet **/
 828                         break;
 829
 830                 case OPT_VTA:
 831                         /***opt_vta = true; not yet **/
 832                         break;
 833
 834                 default:
 835                         print_usage();
 836                         exit(10);
 837                 }
 838         }
 839
 840
 841         if (opt_ind >= argc) {
 842                 print_usage();
 843                 exit(10);
 844         }
 845
 846
 847         /**************************** Program start *****************************/
 848
 849         log_init(logfilename);
 850         if (verbose) {
 851                 log_text("CACAO started -------------------------------------------------------");
 852         }
 853
 854         native_setclasspath(classpath);
 855
 856         tables_init();
 857         suck_init(classpath);
 858
 859         heap_init(heapsize, heapstartsize, &dummy);
 860
 861         jit_init();
 862
 863         loader_init((u1 *) &dummy);
 864
 865         native_loadclasses();
 866
 867
 868         /*********************** Load JAVA classes  ***************************/
 869
 870         cp = argv[opt_ind++];
 871         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 872                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 873         }
 874
 875         /*printf("-------------------->%s\n",cp);*/
 876         topclass = loader_load(utf_new_char(cp));
 877         /*class_showmethods(topclass);  */
 878
 879         if (*exceptionptr != 0) {
 880                 printf("Exception in thread \"main\" ");
 881                 utf_display((*exceptionptr)->vftbl->class->name);
 882                 printf(": ");
 883                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 884                 printf("\n");
 885
 886                 *exceptionptr = 0;
 887         }
 888
 889         if (topclass == 0) {
 890                 /* should we print out something? we already have the exception */
 891                 exit(1);
 892         }
 893
 894         /* initialize the garbage collector */
 895         gc_init();
 896
 897 #ifdef USE_THREADS
 898         initThreads((u1*) &dummy);
 899 #endif
 900
 901
 902         /************************* Start worker routines ********************/
 903
 904         if (startit) {
 905                 methodinfo *mainmethod;
 906                 java_objectarray *a;
 907
 908 /*              heap_addreference((void**) &a); */
 909
 910                 mainmethod = class_findmethod(topclass,
 911                                                                           utf_new_char("main"),
 912                                                                           utf_new_char("([Ljava/lang/String;)V")
 913                                                                           );
 914
 915                 /* there is no main method or it isn't static */
 916                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 917                         printf("Exception in thread \"main\" java.lang.NoSuchMethodError: main\n");
 918                         exit(1);
 919                 }
 920
 921                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 922                 for (i = opt_ind; i < argc; i++) {
 923                         a->data[i - opt_ind] =
 924                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 925                 }
 926
 927 #ifdef TYPEINFO_DEBUG_TEST
 928                 /* test the typeinfo system */
 929                 typeinfo_test();
 930 #endif
 931                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 932
 933                 /* here we go... */
 934                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 935
 936                 if (*exceptionptr) {
 937                         printf("Exception in thread \"main\" ");
 938                         utf_display((*exceptionptr)->vftbl->class->name);
 939
 940                         /* do we have a detail message? */
 941                         if (((java_lang_Throwable *) *exceptionptr)->detailMessage) {
 942                                 printf(": ");
 943                                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 944                         }
 945                         printf("\n");
 946                 }
 947
 948 #ifdef USE_THREADS
 949                 killThread(currentThread);
 950 #endif
 951                 fprintf(stderr, "still here\n");
 952         }
 953
 954         /************* If requested, compile all methods ********************/
 955
 956         if (compileall) {
 957                 class_compile_methods();
 958         }
 959
 960
 961         /******** If requested, compile a specific method ***************/
 962
 963         if (specificmethodname) {
 964                 methodinfo *m;
 965                 if (specificsignature) {
 966                         m = class_findmethod(topclass,
 967                                                                  utf_new_char(specificmethodname),
 968                                                                  utf_new_char(specificsignature));
 969                 } else {
 970                         m = class_findmethod(topclass,
 971                                                                  utf_new_char(specificmethodname),
 972                                                                  NULL);
 973                 }
 974
 975                 if (!m)
 976                         panic("Specific method not found");
 977
 978                 jit_compile(m);
 979         }
 980
 981         exit(0);
 982 }
 983
 984
 985
 986 /************************************ Shutdown function *********************************
 987
 988         Terminates the system immediately without freeing memory explicitly (to be
 989         used only for abnormal termination)
 990
 991 *****************************************************************************************/
 992
 993 void cacao_shutdown(s4 status)
 994 {
 995         /**** RTAprint ***/
 996
 997         if (verbose || getcompilingtime || statistics) {
 998                 log_text ("CACAO terminated by shutdown");
 999                 if (statistics)
1000                         print_stats();
1001                 if (getcompilingtime)
1002                         print_times();
1003                 mem_usagelog(0);
1004                 dolog("Exit status: %d\n", (int) status);
1005         }
1006
1007         exit(status);
1008 }
1009
1010
1011 /*
1012  * These are local overrides for various environment variables in Emacs.
1013  * Please do not remove this and leave it at the end of the file, where
1014  * Emacs will automagically detect them.
1015  * ---------------------------------------------------------------------
1016  * Local variables:
1017  * mode: c
1018  * indent-tabs-mode: t
1019  * c-basic-offset: 4
1020  * tab-width: 4
1021  * End:
1022  */