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 958 2004-03-14 21:02:49Z 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 "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 opt_liberalutf = false;   /* Don't check overlong UTF-8 sequences       */
  82
  83 bool showmethods = false;
  84 bool showconstantpool = false;
  85 bool showutf = false;
  86
  87 bool compileverbose =  false;  /* trace compiler actions                     */
  88 bool showstack = false;
  89 bool showdisassemble = false;  /* generate disassembler listing              */
  90 bool showddatasegment = false; /* generate data segment listing              */
  91 bool showintermediate = false; /* generate intermediate code listing         */
  92
  93 bool useinlining = false;      /* use method inlining                        */
  94 bool inlinevirtuals = false;   /* inline unique virtual methods              */
  95 bool inlineexceptions = false; /* inline methods, that contain excptions     */
  96 bool inlineparamopt = false;   /* optimize parameter passing to inlined methods */
  97 bool inlineoutsiders = false;  /* inline methods, that are not member of the invoker's class */
  98
  99 bool checkbounds = true;       /* check array bounds                         */
 100 bool checknull = true;         /* check null pointers                        */
 101 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
 102 bool checksync = true;         /* do synchronization                         */
 103 bool opt_loops = false;        /* optimize array accesses in loops           */
 104
 105 bool makeinitializations = true;
 106
 107 bool getloadingtime = false;   /* to measure the runtime                     */
 108 s8 loadingtime = 0;
 109
 110 bool getcompilingtime = false; /* compute compile time                       */
 111 s8 compilingtime = 0;          /* accumulated compile time                   */
 112
 113 int has_ext_instr_set = 0;     /* has instruction set extensions */
 114
 115 bool statistics = false;
 116
 117 bool opt_verify = true;        /* true if classfiles should be verified      */
 118
 119 char mainString[256];
 120 static classinfo *topclass;
 121
 122 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 123 void **stackbottom = 0;
 124 #endif
 125
 126
 127 /* internal function: get_opt *************************************************
 128
 129         decodes the next command line option
 130
 131 ******************************************************************************/
 132
 133 #define OPT_DONE       -1
 134 #define OPT_ERROR       0
 135 #define OPT_IGNORE      1
 136
 137 #define OPT_CLASSPATH   2
 138 #define OPT_D           3
 139 #define OPT_MS          4
 140 #define OPT_MX          5
 141 #define OPT_VERBOSE1    6
 142 #define OPT_VERBOSE     7
 143 #define OPT_VERBOSEGC   8
 144 #define OPT_VERBOSECALL 9
 145 #define OPT_NOIEEE      10
 146 #define OPT_SOFTNULL    11
 147 #define OPT_TIME        12
 148 #define OPT_STAT        13
 149 #define OPT_LOG         14
 150 #define OPT_CHECK       15
 151 #define OPT_LOAD        16
 152 #define OPT_METHOD      17
 153 #define OPT_SIGNATURE   18
 154 #define OPT_SHOW        19
 155 #define OPT_ALL         20
 156 #define OPT_OLOOP       24
 157 #define OPT_INLINING    25
 158 #define OPT_RT          26
 159 #define OPT_XTA         27
 160 #define OPT_VTA         28
 161 #define OPT_VERBOSETC   29
 162 #define OPT_NOVERIFY    30
 163 #define OPT_LIBERALUTF  31
 164
 165
 166 struct {char *name; bool arg; int value;} opts[] = {
 167         {"classpath",   true,   OPT_CLASSPATH},
 168         {"D",           true,   OPT_D},
 169         {"ms",          true,   OPT_MS},
 170         {"mx",          true,   OPT_MX},
 171         {"noasyncgc",   false,  OPT_IGNORE},
 172         {"noverify",    false,  OPT_NOVERIFY},
 173         {"liberalutf",  false,  OPT_LIBERALUTF},
 174         {"oss",         true,   OPT_IGNORE},
 175         {"ss",          true,   OPT_IGNORE},
 176         {"v",           false,  OPT_VERBOSE1},
 177         {"verbose",     false,  OPT_VERBOSE},
 178         {"verbosegc",   false,  OPT_VERBOSEGC},
 179         {"verbosecall", false,  OPT_VERBOSECALL},
 180 #ifdef TYPECHECK_VERBOSE
 181         {"verbosetc",   false,  OPT_VERBOSETC},
 182 #endif
 183 #if defined(__ALPHA__)
 184         {"noieee",      false,  OPT_NOIEEE},
 185 #endif
 186         {"softnull",    false,  OPT_SOFTNULL},
 187         {"time",        false,  OPT_TIME},
 188         {"stat",        false,  OPT_STAT},
 189         {"log",         true,   OPT_LOG},
 190         {"c",           true,   OPT_CHECK},
 191         {"l",           false,  OPT_LOAD},
 192         {"m",           true,   OPT_METHOD},
 193         {"sig",         true,   OPT_SIGNATURE},
 194         {"s",           true,   OPT_SHOW},
 195         {"all",         false,  OPT_ALL},
 196         {"oloop",       false,  OPT_OLOOP},
 197         {"i",               true,   OPT_INLINING},
 198         {"rt",          false,  OPT_RT},
 199         {"xta",         false,  OPT_XTA},
 200         {"vta",         false,  OPT_VTA},
 201         {NULL,  false, 0}
 202 };
 203
 204 static int opt_ind = 1;
 205 static char *opt_arg;
 206
 207
 208 static int get_opt(int argc, char **argv)
 209 {
 210         char *a;
 211         int i;
 212
 213         if (opt_ind >= argc) return OPT_DONE;
 214
 215         a = argv[opt_ind];
 216         if (a[0] != '-') return OPT_DONE;
 217
 218         for (i = 0; opts[i].name; i++) {
 219                 if (!opts[i].arg) {
 220                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 221                                 opt_ind++;
 222                                 return opts[i].value;
 223                         }
 224
 225                 } else {
 226                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 227                                 opt_ind++;
 228                                 if (opt_ind < argc) {
 229                                         opt_arg = argv[opt_ind];
 230                                         opt_ind++;
 231                                         return opts[i].value;
 232                                 }
 233                                 return OPT_ERROR;
 234
 235                         } else {
 236                                 size_t l = strlen(opts[i].name);
 237                                 if (strlen(a + 1) > l) {
 238                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 239                                                 opt_ind++;
 240                                                 opt_arg = a + 1 + l;
 241                                                 return opts[i].value;
 242                                         }
 243                                 }
 244                         }
 245                 }
 246         } /* end for */
 247
 248         return OPT_ERROR;
 249 }
 250
 251
 252
 253
 254 /******************** interne Function: print_usage ************************
 255
 256 Prints the correct usage syntax to stdout.
 257
 258 ***************************************************************************/
 259
 260 static void print_usage()
 261 {
 262         printf("USAGE: cacao [options] classname [program arguments]\n");
 263         printf("Options:\n");
 264         printf("          -classpath path ...... specify a path to look for classes\n");
 265         printf("          -Dpropertyname=value . add an entry to the property list\n");
 266         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 267         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 268         printf("          -v ................... write state-information\n");
 269         printf("          -verbose ............. write more information\n");
 270         printf("          -verbosegc ........... write message for each GC\n");
 271         printf("          -verbosecall ......... write message for each call\n");
 272 #ifdef TYPECHECK_VERBOSE
 273         printf("          -verbosetc ........... write debug messages while typechecking\n");
 274 #endif
 275 #if defined(__ALPHA__)
 276         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 277 #endif
 278         printf("          -noverify ............ don't verify classfiles\n");
 279         printf("          -liberalutf........... don't warn about overlong UTF-8 sequences\n");
 280         printf("          -softnull ............ use software nullpointer check\n");
 281         printf("          -time ................ measure the runtime\n");
 282         printf("          -stat ................ detailed compiler statistics\n");
 283         printf("          -log logfile ......... specify a name for the logfile\n");
 284         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 285         printf("                  s(ync) ....... don't check for synchronization\n");
 286         printf("          -oloop ............... optimize array accesses in loops\n");
 287         printf("          -l ................... don't start the class after loading\n");
 288         printf("          -all ................. compile all methods, no execution\n");
 289         printf("          -m ................... compile only a specific method\n");
 290         printf("          -sig ................. specify signature for a specific method\n");
 291         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 292         printf("                 c(onstants) ... show the constant pool\n");
 293         printf("                 d(atasegment).. show data segment listing\n");
 294         printf("                 i(ntermediate). show intermediate representation\n");
 295         printf("                 m(ethods)...... show class fields and methods\n");
 296         printf("                 u(tf) ......... show the utf - hash\n");
 297         printf("          -i     n ............. activate inlining\n");
 298         printf("                 v ............. inline virtual methods\n");
 299         printf("                 e ............. inline methods with exceptions\n");
 300         printf("                 p ............. optimize argument renaming\n");
 301         printf("                 o ............. inline methods of foreign classes\n");
 302         printf("          -rt .................. use rapid type analysis\n");
 303         printf("          -xta ................. use x type analysis\n");
 304         printf("          -vta ................. use variable type analysis\n");
 305 }
 306
 307
 308
 309 /***************************** Function: print_times *********************
 310
 311         Prints a summary of CPU time usage.
 312
 313 **************************************************************************/
 314
 315 static void print_times()
 316 {
 317         s8 totaltime = getcputime();
 318         s8 runtime = totaltime - loadingtime - compilingtime;
 319         char logtext[MAXLOGTEXT];
 320
 321 #if defined(__I386__) || defined(__POWERPC__)
 322         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 323 #else
 324         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 325 #endif
 326                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 327         log_text(logtext);
 328
 329 #if defined(__I386__) || defined(__POWERPC__)
 330         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 331 #else
 332         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 333 #endif
 334                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 335         log_text(logtext);
 336
 337 #if defined(__I386__) || defined(__POWERPC__)
 338         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 339 #else
 340         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 341 #endif
 342                         runtime / 1000000, (runtime % 1000000) / 1000);
 343         log_text(logtext);
 344
 345 #if defined(__I386__) || defined(__POWERPC__)
 346         sprintf(logtext, "Total time: %lld secs, %lld millis",
 347 #else
 348         sprintf(logtext, "Total time: %ld secs, %ld millis",
 349 #endif
 350                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 351         log_text(logtext);
 352 }
 353
 354
 355
 356
 357
 358
 359 /***************************** Function: print_stats *********************
 360
 361         outputs detailed compiler statistics
 362
 363 **************************************************************************/
 364
 365 static void print_stats()
 366 {
 367         char logtext[MAXLOGTEXT];
 368
 369         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 370         log_text(logtext);
 371         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 372         log_text(logtext);
 373         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 374         log_text(logtext);
 375         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 376         log_text(logtext);
 377         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 378         log_text(logtext);
 379         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 380         log_text(logtext);
 381         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 382                         count_javacodesize - count_methods * 18);
 383         log_text(logtext);
 384         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 385         log_text(logtext);
 386         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 387         log_text(logtext);
 388         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 389         log_text(logtext);
 390         sprintf(logtext, "Number of Spills: %d", count_spills);
 391         log_text(logtext);
 392         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 393         log_text(logtext);
 394         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 395         log_text(logtext);
 396         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 397         log_text(logtext);
 398         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 399         log_text(logtext);
 400         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 401         log_text(logtext);
 402         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 403         log_text(logtext);
 404         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 405         log_text(logtext);
 406         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 407         log_text(logtext);
 408         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 409         log_text(logtext);
 410         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 411         log_text(logtext);
 412         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 413         log_text(logtext);
 414         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 415                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 416         log_text(logtext);
 417         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 418         log_text(logtext);
 419         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 420                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 421         log_text(logtext);
 422         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 423         log_text(logtext);
 424         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 425         log_text(logtext);
 426         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 427         log_text(logtext);
 428         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 429         log_text(logtext);
 430         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 431         log_text(logtext);
 432         sprintf(logtext, "Distribution of stack sizes at block boundary");
 433         log_text(logtext);
 434         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 435         log_text(logtext);
 436         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 437                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 438                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 439                         count_block_stack[9], count_block_stack[10]);
 440         log_text(logtext);
 441         sprintf(logtext, "Distribution of store stack depth");
 442         log_text(logtext);
 443         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 444         log_text(logtext);
 445         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 446                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 447                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 448                         count_store_depth[9], count_store_depth[10]);
 449         log_text(logtext);
 450         sprintf(logtext, "Distribution of store creator chains first part");
 451         log_text(logtext);
 452         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 453         log_text(logtext);
 454         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 455                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 456                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 457                         count_store_length[9]);
 458         log_text(logtext);
 459         sprintf(logtext, "Distribution of store creator chains second part");
 460         log_text(logtext);
 461         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 462         log_text(logtext);
 463         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 464                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 465                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 466                         count_store_length[19], count_store_length[20]);
 467         log_text(logtext);
 468         sprintf(logtext, "Distribution of analysis iterations");
 469         log_text(logtext);
 470         sprintf(logtext, "    1    2    3    4    >=5");
 471         log_text(logtext);
 472         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 473                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 474         log_text(logtext);
 475         sprintf(logtext, "Distribution of basic blocks per method");
 476         log_text(logtext);
 477         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 478         log_text(logtext);
 479         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 480                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 481                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 482                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 483         log_text(logtext);
 484         sprintf(logtext, "Distribution of basic block sizes");
 485         log_text(logtext);
 486         sprintf(logtext,
 487                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 488         log_text(logtext);
 489         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 490                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 491                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 492                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 493                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 494                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 495                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 496         log_text(logtext);
 497         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 498         log_text(logtext);
 499         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 500         log_text(logtext);
 501         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 502         log_text(logtext);
 503         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 504         log_text(logtext);
 505         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 506         log_text(logtext);
 507         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 508         log_text(logtext);
 509         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 510         log_text(logtext);
 511         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 512         log_text(logtext);
 513         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 514                         count_vmcode_len - 18 * count_all_methods);
 515         log_text(logtext);
 516         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 517         log_text(logtext);
 518         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 519         log_text(logtext);
 520         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 521         log_text(logtext);
 522         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 523         log_text(logtext);
 524
 525         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 526         log_text(logtext);
 527         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 528         log_text(logtext);
 529 }
 530
 531
 532 /********** Function: class_compile_methods   (debugging only) ********/
 533
 534 void class_compile_methods()
 535 {
 536         int        i;
 537         classinfo  *c;
 538         methodinfo *m;
 539
 540         c = list_first(&linkedclasses);
 541         while (c) {
 542                 for (i = 0; i < c -> methodscount; i++) {
 543                         m = &(c->methods[i]);
 544                         if (m->jcode) {
 545                                 (void) jit_compile(m);
 546                         }
 547                 }
 548                 c = list_next(&linkedclasses, c);
 549         }
 550 }
 551
 552 #ifdef TYPECHECK_STATISTICS
 553 void typecheck_print_statistics(FILE *file);
 554 #endif
 555
 556 /*
 557  * void exit_handler(void)
 558  * -----------------------
 559  * The exit_handler function is called upon program termination to shutdown
 560  * the various subsystems and release the resources allocated to the VM.
 561  */
 562 void exit_handler(void)
 563 {
 564         /********************* Print debug tables ************************/
 565
 566         if (showmethods) class_showmethods(topclass);
 567         if (showconstantpool) class_showconstantpool(topclass);
 568         if (showutf) utf_show();
 569
 570 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 571         clear_thread_flags();           /* restores standard file descriptor
 572                                        flags */
 573 #endif
 574
 575         /************************ Free all resources *******************/
 576
 577         heap_close();               /* must be called before compiler_close and
 578                                        loader_close because finalization occurs
 579                                        here */
 580
 581         loader_close();
 582         tables_close(literalstring_free);
 583
 584         if (verbose || getcompilingtime || statistics) {
 585                 log_text("CACAO terminated");
 586                 if (statistics) {
 587                         print_stats();
 588 #ifdef TYPECHECK_STATISTICS
 589                         typecheck_print_statistics(get_logfile());
 590 #endif
 591                 }
 592                 if (getcompilingtime)
 593                         print_times();
 594                 mem_usagelog(1);
 595         }
 596 }
 597
 598
 599 /************************** Function: main *******************************
 600
 601    The main program.
 602
 603 **************************************************************************/
 604
 605 int main(int argc, char **argv)
 606 {
 607         s4 i, j;
 608         char *cp;
 609         void *dummy;
 610
 611         /********** interne (nur fuer main relevante Optionen) **************/
 612
 613         char logfilename[200] = "";
 614         u4 heapsize = 64000000;
 615         u4 heapstartsize = 200000;
 616         char classpath[500] = ".";
 617         bool startit = true;
 618         char *specificmethodname = NULL;
 619         char *specificsignature = NULL;
 620
 621 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 622         stackbottom = &dummy;
 623 #endif
 624
 625         if (0 != atexit(exit_handler))
 626                 panic("unable to register exit_handler");
 627
 628         /************ Collect info from the environment ************************/
 629
 630         cp = getenv("CLASSPATH");
 631         if (cp) {
 632                 strcpy(classpath, cp);
 633         }
 634
 635         /***************** Interpret the command line *****************/
 636
 637         checknull = false;
 638         opt_noieee = false;
 639
 640         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 641                 switch (i) {
 642                 case OPT_IGNORE: break;
 643
 644                 case OPT_CLASSPATH:
 645                         strcpy(classpath + strlen(classpath), ":");
 646                         strcpy(classpath + strlen(classpath), opt_arg);
 647                         break;
 648
 649                 case OPT_D:
 650                         {
 651                                 int n;
 652                                 int l = strlen(opt_arg);
 653                                 for (n = 0; n < l; n++) {
 654                                         if (opt_arg[n] == '=') {
 655                                                 opt_arg[n] = '\0';
 656                                                 attach_property(opt_arg, opt_arg + n + 1);
 657                                                 goto didit;
 658                                         }
 659                                 }
 660                                 print_usage();
 661                                 exit(10);
 662
 663                         didit: ;
 664                         }
 665                         break;
 666
 667                 case OPT_MS:
 668                 case OPT_MX:
 669                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 670                                 j = 1024 * atoi(opt_arg);
 671                         }
 672                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 673                                 j = 1024 * 1024 * atoi(opt_arg);
 674                         }
 675                         else j = atoi(opt_arg);
 676
 677                         if (i == OPT_MX) heapsize = j;
 678                         else heapstartsize = j;
 679                         break;
 680
 681                 case OPT_VERBOSE1:
 682                         verbose = true;
 683                         break;
 684
 685                 case OPT_VERBOSE:
 686                         verbose = true;
 687                         loadverbose = true;
 688                         initverbose = true;
 689                         compileverbose = true;
 690                         break;
 691
 692                 case OPT_VERBOSEGC:
 693                         collectverbose = true;
 694                         break;
 695
 696 #ifdef TYPECHECK_VERBOSE
 697                 case OPT_VERBOSETC:
 698                         typecheckverbose = true;
 699                         break;
 700 #endif
 701
 702                 case OPT_VERBOSECALL:
 703                         runverbose = true;
 704                         break;
 705
 706                 case OPT_NOIEEE:
 707                         opt_noieee = true;
 708                         break;
 709
 710                 case OPT_NOVERIFY:
 711                         opt_verify = false;
 712                         break;
 713
 714                 case OPT_LIBERALUTF:
 715                         opt_liberalutf = true;
 716                         break;
 717
 718                 case OPT_SOFTNULL:
 719                         checknull = true;
 720                         break;
 721
 722                 case OPT_TIME:
 723                         getcompilingtime = true;
 724                         getloadingtime = true;
 725                         break;
 726
 727                 case OPT_STAT:
 728                         statistics = true;
 729                         break;
 730
 731                 case OPT_LOG:
 732                         strcpy(logfilename, opt_arg);
 733                         break;
 734
 735                 case OPT_CHECK:
 736                         for (j = 0; j < strlen(opt_arg); j++) {
 737                                 switch (opt_arg[j]) {
 738                                 case 'b':
 739                                         checkbounds = false;
 740                                         break;
 741                                 case 's':
 742                                         checksync = false;
 743                                         break;
 744                                 default:
 745                                         print_usage();
 746                                         exit(10);
 747                                 }
 748                         }
 749                         break;
 750
 751                 case OPT_LOAD:
 752                         startit = false;
 753                         makeinitializations = false;
 754                         break;
 755
 756                 case OPT_METHOD:
 757                         startit = false;
 758                         specificmethodname = opt_arg;
 759                         makeinitializations = false;
 760                         break;
 761
 762                 case OPT_SIGNATURE:
 763                         specificsignature = opt_arg;
 764                         break;
 765
 766                 case OPT_ALL:
 767                         compileall = true;
 768                         startit = false;
 769                         makeinitializations = false;
 770                         break;
 771
 772                 case OPT_SHOW:       /* Display options */
 773                         for (j = 0; j < strlen(opt_arg); j++) {
 774                                 switch (opt_arg[j]) {
 775                                 case 'a':
 776                                         showdisassemble = true;
 777                                         compileverbose=true;
 778                                         break;
 779                                 case 'c':
 780                                         showconstantpool = true;
 781                                         break;
 782                                 case 'd':
 783                                         showddatasegment = true;
 784                                         break;
 785                                 case 'i':
 786                                         showintermediate = true;
 787                                         compileverbose = true;
 788                                         break;
 789                                 case 'm':
 790                                         showmethods = true;
 791                                         break;
 792                                 case 'u':
 793                                         showutf = true;
 794                                         break;
 795                                 default:
 796                                         print_usage();
 797                                         exit(10);
 798                                 }
 799                         }
 800                         break;
 801
 802                 case OPT_OLOOP:
 803                         opt_loops = true;
 804                         break;
 805
 806                 case OPT_INLINING:
 807                         for (j = 0; j < strlen(opt_arg); j++) {
 808                                 switch (opt_arg[j]) {
 809                                 case 'n':
 810                                         useinlining = true;
 811                                         break;
 812                                 case 'v':
 813                                         inlinevirtuals = true;
 814                                         break;
 815                                 case 'e':
 816                                         inlineexceptions = true;
 817                                         break;
 818                                 case 'p':
 819                                         inlineparamopt = true;
 820                                         break;
 821                                 case 'o':
 822                                         inlineoutsiders = true;
 823                                         break;
 824                                 default:
 825                                         print_usage();
 826                                         exit(10);
 827                                 }
 828                         }
 829                         break;
 830
 831                 case OPT_RT:
 832                         opt_rt = true;
 833                         break;
 834
 835                 case OPT_XTA:
 836                         opt_xta = false; /**not yet **/
 837                         break;
 838
 839                 case OPT_VTA:
 840                         /***opt_vta = true; not yet **/
 841                         break;
 842
 843                 default:
 844                         print_usage();
 845                         exit(10);
 846                 }
 847         }
 848
 849
 850         if (opt_ind >= argc) {
 851                 print_usage();
 852                 exit(10);
 853         }
 854
 855         cp = argv[opt_ind++];
 856         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 857                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 858         }
 859
 860         strcpy(mainString,cp);
 861
 862
 863         /**************************** Program start *****************************/
 864         log_init(logfilename);
 865         if (verbose) {
 866                 log_text("CACAO started -------------------------------------------------------");
 867         }
 868
 869         native_setclasspath(classpath);
 870
 871         tables_init();
 872         suck_init(classpath);
 873
 874         heap_init(heapsize, heapstartsize, &dummy);
 875
 876         jit_init();
 877
 878         loader_init((u1 *) &dummy);
 879
 880         native_loadclasses();
 881
 882
 883         /*********************** Load JAVA classes  ***************************/
 884
 885         /*printf("-------------------->%s\n",cp);*/
 886         topclass = loader_load(utf_new_char(cp));
 887         /*class_showmethods(topclass);  */
 888
 889         if (*exceptionptr) {
 890                 printf("Exception in thread \"main\" ");
 891                 utf_display_classname((*exceptionptr)->vftbl->class->name);
 892                 printf(": ");
 893                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 894                 printf("\n");
 895
 896                 *exceptionptr = NULL;
 897         }
 898
 899         if (topclass == 0) {
 900                 /* should we print something out? we already have the exception */
 901                 exit(1);
 902         }
 903
 904         /* initialize the garbage collector */
 905         gc_init();
 906
 907 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 908         initThreads((u1*) &dummy);
 909 #endif
 910
 911
 912         /************************* Start worker routines ********************/
 913
 914         if (startit) {
 915                 methodinfo *mainmethod;
 916                 java_objectarray *a;
 917
 918 /*              heap_addreference((void**) &a); */
 919
 920                 mainmethod = class_findmethod(topclass,
 921                                                                           utf_new_char("main"),
 922                                                                           utf_new_char("([Ljava/lang/String;)V")
 923                                                                           );
 924
 925                 /* there is no main method or it isn't static */
 926                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 927                         printf("Exception in thread \"main\" java.lang.NoSuchMethodError: main\n");
 928                         exit(1);
 929                 }
 930
 931                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 932                 for (i = opt_ind; i < argc; i++) {
 933                         a->data[i - opt_ind] =
 934                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 935                 }
 936
 937 #ifdef TYPEINFO_DEBUG_TEST
 938                 /* test the typeinfo system */
 939                 typeinfo_test();
 940 #endif
 941                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 942
 943                 *threadrootmethod=mainmethod;
 944                 /* here we go... */
 945                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 946
 947                 if (*exceptionptr) {
 948                         printf("Exception in thread \"main\" ");
 949                         utf_display_classname((*exceptionptr)->vftbl->class->name);
 950
 951                         /* do we have a detail message? */
 952                         if (((java_lang_Throwable *) *exceptionptr)->detailMessage) {
 953                                 printf(": ");
 954                                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 955                         }
 956                         printf("\n");
 957                 }
 958
 959 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 960                 killThread(currentThread);
 961 #endif
 962                 fprintf(stderr, "still here\n");
 963         }
 964
 965         /************* If requested, compile all methods ********************/
 966
 967         if (compileall) {
 968                 class_compile_methods();
 969         }
 970
 971
 972         /******** If requested, compile a specific method ***************/
 973
 974         if (specificmethodname) {
 975                 methodinfo *m;
 976                 if (specificsignature) {
 977                         m = class_findmethod(topclass,
 978                                                                  utf_new_char(specificmethodname),
 979                                                                  utf_new_char(specificsignature));
 980                 } else {
 981                         m = class_findmethod(topclass,
 982                                                                  utf_new_char(specificmethodname),
 983                                                                  NULL);
 984                 }
 985
 986                 if (!m)
 987                         panic("Specific method not found");
 988
 989                 jit_compile(m);
 990         }
 991
 992         exit(0);
 993 }
 994
 995
 996
 997 /************************************ Shutdown function *********************************
 998
 999         Terminates the system immediately without freeing memory explicitly (to be
1000         used only for abnormal termination)
1001
1002 *****************************************************************************************/
1003
1004 void cacao_shutdown(s4 status)
1005 {
1006         /**** RTAprint ***/
1007
1008         if (verbose || getcompilingtime || statistics) {
1009                 log_text ("CACAO terminated by shutdown");
1010                 if (statistics)
1011                         print_stats();
1012                 if (getcompilingtime)
1013                         print_times();
1014                 mem_usagelog(0);
1015                 dolog("Exit status: %d\n", (int) status);
1016         }
1017
1018         exit(status);
1019 }
1020
1021
1022 /*
1023  * These are local overrides for various environment variables in Emacs.
1024  * Please do not remove this and leave it at the end of the file, where
1025  * Emacs will automagically detect them.
1026  * ---------------------------------------------------------------------
1027  * Local variables:
1028  * mode: c
1029  * indent-tabs-mode: t
1030  * c-basic-offset: 4
1031  * tab-width: 4
1032  * End:
1033  */