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 862 2004-01-06 23:42:01Z stefan $
  41
  42 */
  43
  44
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include "main.h"
  48 #include "global.h"
  49 #include "tables.h"
  50 #include "loader.h"
  51 #include "jit.h"
  52 #include "asmpart.h"
  53 #include "builtin.h"
  54 #include "native.h"
  55 #include "mm/boehm.h"
  56 #include "threads/thread.h"
  57 #include "toolbox/loging.h"
  58 #include "toolbox/memory.h"
  59 #include "parseRTstats.h"
  60 #include "typeinfo.h" /* XXX remove debug */
  61 #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;       /* trace all method invocation                */
  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;  /* trace compiler actions                     */
  84 bool showstack = false;
  85 bool showdisassemble = false;  /* generate disassembler listing              */
  86 bool showddatasegment = false; /* generate data segment listing              */
  87 bool showintermediate = false; /* generate intermediate code listing         */
  88
  89 bool useinlining = false;      /* use method inlining                        */
  90 bool inlinevirtuals = false;   /* inline unique virtual methods              */
  91 bool inlineexceptions = false; /* inline methods, that contain excptions     */
  92 bool inlineparamopt = false;   /* optimize parameter passing to inlined methods */
  93 bool inlineoutsiders = false;  /* inline methods, that are not member of the invoker's class */
  94
  95 bool checkbounds = true;       /* check array bounds                         */
  96 bool checknull = true;         /* check null pointers                        */
  97 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
  98 bool checksync = true;         /* do synchronization                         */
  99 bool opt_loops = false;        /* optimize array accesses in loops           */
 100
 101 bool makeinitializations = true;
 102
 103 bool getloadingtime = false;   /* to measure the runtime                     */
 104 s8 loadingtime = 0;
 105
 106 bool getcompilingtime = false; /* compute compile time                       */
 107 s8 compilingtime = 0;          /* accumulated compile time                   */
 108
 109 int has_ext_instr_set = 0;     /* has instruction set extensions */
 110
 111 bool statistics = false;
 112
 113 bool opt_verify = true;        /* true if classfiles should be verified      */
 114
 115
 116 static classinfo *topclass;
 117
 118 #ifndef USE_THREADS
 119 void **stackbottom = 0;
 120 #endif
 121
 122
 123 /* internal function: get_opt *************************************************
 124
 125         decodes the next command line option
 126
 127 ******************************************************************************/
 128
 129 #define OPT_DONE       -1
 130 #define OPT_ERROR       0
 131 #define OPT_IGNORE      1
 132
 133 #define OPT_CLASSPATH   2
 134 #define OPT_D           3
 135 #define OPT_MS          4
 136 #define OPT_MX          5
 137 #define OPT_VERBOSE1    6
 138 #define OPT_VERBOSE     7
 139 #define OPT_VERBOSEGC   8
 140 #define OPT_VERBOSECALL 9
 141 #define OPT_NOIEEE      10
 142 #define OPT_SOFTNULL    11
 143 #define OPT_TIME        12
 144 #define OPT_STAT        13
 145 #define OPT_LOG         14
 146 #define OPT_CHECK       15
 147 #define OPT_LOAD        16
 148 #define OPT_METHOD      17
 149 #define OPT_SIGNATURE   18
 150 #define OPT_SHOW        19
 151 #define OPT_ALL         20
 152 #define OPT_OLOOP       24
 153 #define OPT_INLINING    25
 154 #define OPT_RT          26
 155 #define OPT_XTA         27
 156 #define OPT_VTA         28
 157 #define OPT_VERBOSETC   29
 158 #define OPT_NOVERIFY    30
 159
 160
 161 struct {char *name; bool arg; int value;} opts[] = {
 162         {"classpath",   true,   OPT_CLASSPATH},
 163         {"D",           true,   OPT_D},
 164         {"ms",          true,   OPT_MS},
 165         {"mx",          true,   OPT_MX},
 166         {"noasyncgc",   false,  OPT_IGNORE},
 167         {"noverify",    false,  OPT_NOVERIFY},
 168         {"oss",         true,   OPT_IGNORE},
 169         {"ss",          true,   OPT_IGNORE},
 170         {"v",           false,  OPT_VERBOSE1},
 171         {"verbose",     false,  OPT_VERBOSE},
 172         {"verbosegc",   false,  OPT_VERBOSEGC},
 173         {"verbosecall", false,  OPT_VERBOSECALL},
 174 #ifdef TYPECHECK_VERBOSE
 175         {"verbosetc",   false,  OPT_VERBOSETC},
 176 #endif
 177 #if defined(__ALPHA__)
 178         {"noieee",      false,  OPT_NOIEEE},
 179 #endif
 180         {"softnull",    false,  OPT_SOFTNULL},
 181         {"time",        false,  OPT_TIME},
 182         {"stat",        false,  OPT_STAT},
 183         {"log",         true,   OPT_LOG},
 184         {"c",           true,   OPT_CHECK},
 185         {"l",           false,  OPT_LOAD},
 186         {"m",           true,   OPT_METHOD},
 187         {"sig",         true,   OPT_SIGNATURE},
 188         {"s",           true,   OPT_SHOW},
 189         {"all",         false,  OPT_ALL},
 190         {"oloop",       false,  OPT_OLOOP},
 191         {"i",               true,   OPT_INLINING},
 192         {"rt",          false,  OPT_RT},
 193         {"xta",         false,  OPT_XTA},
 194         {"vta",         false,  OPT_VTA},
 195         {NULL,  false, 0}
 196 };
 197
 198 static int opt_ind = 1;
 199 static char *opt_arg;
 200
 201
 202 static int get_opt(int argc, char **argv)
 203 {
 204         char *a;
 205         int i;
 206
 207         if (opt_ind >= argc) return OPT_DONE;
 208
 209         a = argv[opt_ind];
 210         if (a[0] != '-') return OPT_DONE;
 211
 212         for (i = 0; opts[i].name; i++) {
 213                 if (!opts[i].arg) {
 214                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 215                                 opt_ind++;
 216                                 return opts[i].value;
 217                         }
 218
 219                 } else {
 220                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 221                                 opt_ind++;
 222                                 if (opt_ind < argc) {
 223                                         opt_arg = argv[opt_ind];
 224                                         opt_ind++;
 225                                         return opts[i].value;
 226                                 }
 227                                 return OPT_ERROR;
 228
 229                         } else {
 230                                 size_t l = strlen(opts[i].name);
 231                                 if (strlen(a + 1) > l) {
 232                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 233                                                 opt_ind++;
 234                                                 opt_arg = a + 1 + l;
 235                                                 return opts[i].value;
 236                                         }
 237                                 }
 238                         }
 239                 }
 240         } /* end for */
 241
 242         return OPT_ERROR;
 243 }
 244
 245
 246
 247
 248 /******************** interne Function: print_usage ************************
 249
 250 Prints the correct usage syntax to stdout.
 251
 252 ***************************************************************************/
 253
 254 static void print_usage()
 255 {
 256         printf("USAGE: cacao [options] classname [program arguments]\n");
 257         printf("Options:\n");
 258         printf("          -classpath path ...... specify a path to look for classes\n");
 259         printf("          -Dpropertyname=value . add an entry to the property list\n");
 260         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 261         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 262         printf("          -v ................... write state-information\n");
 263         printf("          -verbose ............. write more information\n");
 264         printf("          -verbosegc ........... write message for each GC\n");
 265         printf("          -verbosecall ......... write message for each call\n");
 266 #ifdef TYPECHECK_VERBOSE
 267         printf("          -verbosetc ........... write debug messages while typechecking\n");
 268 #endif
 269 #if defined(__ALPHA__)
 270         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 271 #endif
 272         printf("          -noverify ............ don't verify classfiles\n");
 273         printf("          -softnull ............ use software nullpointer check\n");
 274         printf("          -time ................ measure the runtime\n");
 275         printf("          -stat ................ detailed compiler statistics\n");
 276         printf("          -log logfile ......... specify a name for the logfile\n");
 277         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 278         printf("                  s(ync) ....... don't check for synchronization\n");
 279         printf("          -oloop ............... optimize array accesses in loops\n");
 280         printf("          -l ................... don't start the class after loading\n");
 281         printf("          -all ................. compile all methods, no execution\n");
 282         printf("          -m ................... compile only a specific method\n");
 283         printf("          -sig ................. specify signature for a specific method\n");
 284         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 285         printf("                 c(onstants) ... show the constant pool\n");
 286         printf("                 d(atasegment).. show data segment listing\n");
 287         printf("                 i(ntermediate). show intermediate representation\n");
 288         printf("                 m(ethods)...... show class fields and methods\n");
 289         printf("                 u(tf) ......... show the utf - hash\n");
 290         printf("          -i     n ............. activate inlining\n");
 291         printf("                 v ............. inline virtual methods\n");
 292         printf("                 e ............. inline methods with exceptions\n");
 293         printf("                 p ............. optimize argument renaming\n");
 294         printf("                 o ............. inline methods of foreign classes\n");
 295         printf("          -rt .................. use rapid type analysis\n");
 296         printf("          -xta ................. use x type analysis\n");
 297         printf("          -vta ................. use variable type analysis\n");
 298 }
 299
 300
 301
 302 /***************************** Function: print_times *********************
 303
 304         Prints a summary of CPU time usage.
 305
 306 **************************************************************************/
 307
 308 static void print_times()
 309 {
 310         s8 totaltime = getcputime();
 311         s8 runtime = totaltime - loadingtime - compilingtime;
 312         char logtext[MAXLOGTEXT];
 313
 314 #if defined(__I386__)
 315         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 316 #else
 317         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 318 #endif
 319                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 320         log_text(logtext);
 321
 322 #if defined(__I386__)
 323         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 324 #else
 325         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 326 #endif
 327                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 328         log_text(logtext);
 329
 330 #if defined(__I386__)
 331         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 332 #else
 333         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 334 #endif
 335                         runtime / 1000000, (runtime % 1000000) / 1000);
 336         log_text(logtext);
 337
 338 #if defined(__I386__)
 339         sprintf(logtext, "Total time: %lld secs, %lld millis",
 340 #else
 341         sprintf(logtext, "Total time: %ld secs, %ld millis",
 342 #endif
 343                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 344         log_text(logtext);
 345 }
 346
 347
 348
 349
 350
 351
 352 /***************************** Function: print_stats *********************
 353
 354         outputs detailed compiler statistics
 355
 356 **************************************************************************/
 357
 358 static void print_stats()
 359 {
 360         char logtext[MAXLOGTEXT];
 361
 362         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 363         log_text(logtext);
 364         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 365         log_text(logtext);
 366         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 367         log_text(logtext);
 368         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 369         log_text(logtext);
 370         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 371         log_text(logtext);
 372         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 373         log_text(logtext);
 374         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 375                         count_javacodesize - count_methods * 18);
 376         log_text(logtext);
 377         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 378         log_text(logtext);
 379         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 380         log_text(logtext);
 381         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 382         log_text(logtext);
 383         sprintf(logtext, "Number of Spills: %d", count_spills);
 384         log_text(logtext);
 385         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 386         log_text(logtext);
 387         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 388         log_text(logtext);
 389         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 390         log_text(logtext);
 391         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 392         log_text(logtext);
 393         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 394         log_text(logtext);
 395         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 396         log_text(logtext);
 397         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 398         log_text(logtext);
 399         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 400         log_text(logtext);
 401         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 402         log_text(logtext);
 403         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 404         log_text(logtext);
 405         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 406         log_text(logtext);
 407         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 408                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 409         log_text(logtext);
 410         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 411         log_text(logtext);
 412         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 413                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 414         log_text(logtext);
 415         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 416         log_text(logtext);
 417         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 418         log_text(logtext);
 419         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 420         log_text(logtext);
 421         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 422         log_text(logtext);
 423         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 424         log_text(logtext);
 425         sprintf(logtext, "Distribution of stack sizes at block boundary");
 426         log_text(logtext);
 427         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 428         log_text(logtext);
 429         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 430                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 431                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 432                         count_block_stack[9], count_block_stack[10]);
 433         log_text(logtext);
 434         sprintf(logtext, "Distribution of store stack depth");
 435         log_text(logtext);
 436         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 437         log_text(logtext);
 438         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 439                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 440                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 441                         count_store_depth[9], count_store_depth[10]);
 442         log_text(logtext);
 443         sprintf(logtext, "Distribution of store creator chains first part");
 444         log_text(logtext);
 445         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 446         log_text(logtext);
 447         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 448                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 449                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 450                         count_store_length[9]);
 451         log_text(logtext);
 452         sprintf(logtext, "Distribution of store creator chains second part");
 453         log_text(logtext);
 454         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 455         log_text(logtext);
 456         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 457                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 458                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 459                         count_store_length[19], count_store_length[20]);
 460         log_text(logtext);
 461         sprintf(logtext, "Distribution of analysis iterations");
 462         log_text(logtext);
 463         sprintf(logtext, "    1    2    3    4    >=5");
 464         log_text(logtext);
 465         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 466                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 467         log_text(logtext);
 468         sprintf(logtext, "Distribution of basic blocks per method");
 469         log_text(logtext);
 470         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 471         log_text(logtext);
 472         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 473                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 474                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 475                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 476         log_text(logtext);
 477         sprintf(logtext, "Distribution of basic block sizes");
 478         log_text(logtext);
 479         sprintf(logtext,
 480                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 481         log_text(logtext);
 482         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 483                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 484                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 485                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 486                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 487                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 488                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 489         log_text(logtext);
 490         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 491         log_text(logtext);
 492         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 493         log_text(logtext);
 494         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 495         log_text(logtext);
 496         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 497         log_text(logtext);
 498         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 499         log_text(logtext);
 500         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 501         log_text(logtext);
 502         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 503         log_text(logtext);
 504         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 505         log_text(logtext);
 506         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 507                         count_vmcode_len - 18 * count_all_methods);
 508         log_text(logtext);
 509         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 510         log_text(logtext);
 511         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 512         log_text(logtext);
 513         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 514         log_text(logtext);
 515         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 516         log_text(logtext);
 517
 518         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 519         log_text(logtext);
 520         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 521         log_text(logtext);
 522 }
 523
 524
 525 /********** Function: class_compile_methods   (debugging only) ********/
 526
 527 void class_compile_methods()
 528 {
 529         int        i;
 530         classinfo  *c;
 531         methodinfo *m;
 532
 533         c = list_first(&linkedclasses);
 534         while (c) {
 535                 for (i = 0; i < c -> methodscount; i++) {
 536                         m = &(c->methods[i]);
 537                         if (m->jcode) {
 538                                 (void) jit_compile(m);
 539                         }
 540                 }
 541                 c = list_next(&linkedclasses, c);
 542         }
 543 }
 544
 545
 546 /*
 547  * void exit_handler(void)
 548  * -----------------------
 549  * The exit_handler function is called upon program termination to shutdown
 550  * the various subsystems and release the resources allocated to the VM.
 551  */
 552 void exit_handler(void)
 553 {
 554         /********************* Print debug tables ************************/
 555
 556         if (showmethods) class_showmethods(topclass);
 557         if (showconstantpool) class_showconstantpool(topclass);
 558         if (showutf) utf_show();
 559
 560 #ifdef USE_THREADS
 561         clear_thread_flags();           /* restores standard file descriptor
 562                                        flags */
 563 #endif
 564
 565         /************************ Free all resources *******************/
 566
 567         heap_close();               /* must be called before compiler_close and
 568                                        loader_close because finalization occurs
 569                                        here */
 570
 571         loader_close();
 572         tables_close(literalstring_free);
 573
 574         if (verbose || getcompilingtime || statistics) {
 575                 log_text("CACAO terminated");
 576                 if (statistics)
 577                         print_stats();
 578                 if (getcompilingtime)
 579                         print_times();
 580                 mem_usagelog(1);
 581         }
 582 }
 583
 584
 585 /************************** Function: main *******************************
 586
 587    The main program.
 588
 589 **************************************************************************/
 590
 591 int main(int argc, char **argv)
 592 {
 593         s4 i, j;
 594         char *cp;
 595         void *dummy;
 596
 597         /********** interne (nur fuer main relevante Optionen) **************/
 598
 599         char logfilename[200] = "";
 600         u4 heapsize = 64000000;
 601         u4 heapstartsize = 200000;
 602         char classpath[500] = ".";
 603         bool startit = true;
 604         char *specificmethodname = NULL;
 605         char *specificsignature = NULL;
 606
 607 #ifndef USE_THREADS
 608         stackbottom = &dummy;
 609 #endif
 610
 611         if (0 != atexit(exit_handler))
 612                 panic("unable to register exit_handler");
 613
 614         /************ Collect info from the environment ************************/
 615
 616         cp = getenv("CLASSPATH");
 617         if (cp) {
 618                 strcpy(classpath, cp);
 619         }
 620
 621         /***************** Interpret the command line *****************/
 622
 623         checknull = false;
 624         opt_noieee = false;
 625
 626         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 627                 switch (i) {
 628                 case OPT_IGNORE: break;
 629
 630                 case OPT_CLASSPATH:
 631                         strcpy(classpath + strlen(classpath), ":");
 632                         strcpy(classpath + strlen(classpath), opt_arg);
 633                         break;
 634
 635                 case OPT_D:
 636                         {
 637                                 int n;
 638                                 int l = strlen(opt_arg);
 639                                 for (n = 0; n < l; n++) {
 640                                         if (opt_arg[n] == '=') {
 641                                                 opt_arg[n] = '\0';
 642                                                 attach_property(opt_arg, opt_arg + n + 1);
 643                                                 goto didit;
 644                                         }
 645                                 }
 646                                 print_usage();
 647                                 exit(10);
 648
 649                         didit: ;
 650                         }
 651                         break;
 652
 653                 case OPT_MS:
 654                 case OPT_MX:
 655                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 656                                 j = 1024 * atoi(opt_arg);
 657                         }
 658                         else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 659                                 j = 1024 * 1024 * atoi(opt_arg);
 660                         }
 661                         else j = atoi(opt_arg);
 662
 663                         if (i == OPT_MX) heapsize = j;
 664                         else heapstartsize = j;
 665                         break;
 666
 667                 case OPT_VERBOSE1:
 668                         verbose = true;
 669                         break;
 670
 671                 case OPT_VERBOSE:
 672                         verbose = true;
 673                         loadverbose = true;
 674                         initverbose = true;
 675                         compileverbose = true;
 676                         break;
 677
 678                 case OPT_VERBOSEGC:
 679                         collectverbose = true;
 680                         break;
 681
 682 #ifdef TYPECHECK_VERBOSE
 683                 case OPT_VERBOSETC:
 684                         typecheckverbose = true;
 685                         break;
 686 #endif
 687
 688                 case OPT_VERBOSECALL:
 689                         runverbose = true;
 690                         break;
 691
 692                 case OPT_NOIEEE:
 693                         opt_noieee = true;
 694                         break;
 695
 696                 case OPT_NOVERIFY:
 697                         opt_verify = false;
 698                         break;
 699
 700                 case OPT_SOFTNULL:
 701                         checknull = true;
 702                         break;
 703
 704                 case OPT_TIME:
 705                         getcompilingtime = true;
 706                         getloadingtime = true;
 707                         break;
 708
 709                 case OPT_STAT:
 710                         statistics = true;
 711                         break;
 712
 713                 case OPT_LOG:
 714                         strcpy(logfilename, opt_arg);
 715                         break;
 716
 717                 case OPT_CHECK:
 718                         for (j = 0; j < strlen(opt_arg); j++) {
 719                                 switch (opt_arg[j]) {
 720                                 case 'b':
 721                                         checkbounds = false;
 722                                         break;
 723                                 case 's':
 724                                         checksync = false;
 725                                         break;
 726                                 default:
 727                                         print_usage();
 728                                         exit(10);
 729                                 }
 730                         }
 731                         break;
 732
 733                 case OPT_LOAD:
 734                         startit = false;
 735                         makeinitializations = false;
 736                         break;
 737
 738                 case OPT_METHOD:
 739                         startit = false;
 740                         specificmethodname = opt_arg;
 741                         makeinitializations = false;
 742                         break;
 743
 744                 case OPT_SIGNATURE:
 745                         specificsignature = opt_arg;
 746                         break;
 747
 748                 case OPT_ALL:
 749                         compileall = true;
 750                         startit = false;
 751                         makeinitializations = false;
 752                         break;
 753
 754                 case OPT_SHOW:       /* Display options */
 755                         for (j = 0; j < strlen(opt_arg); j++) {
 756                                 switch (opt_arg[j]) {
 757                                 case 'a':
 758                                         showdisassemble = true;
 759                                         compileverbose=true;
 760                                         break;
 761                                 case 'c':
 762                                         showconstantpool = true;
 763                                         break;
 764                                 case 'd':
 765                                         showddatasegment = true;
 766                                         break;
 767                                 case 'i':
 768                                         showintermediate = true;
 769                                         compileverbose = true;
 770                                         break;
 771                                 case 'm':
 772                                         showmethods = true;
 773                                         break;
 774                                 case 'u':
 775                                         showutf = true;
 776                                         break;
 777                                 default:
 778                                         print_usage();
 779                                         exit(10);
 780                                 }
 781                         }
 782                         break;
 783
 784                 case OPT_OLOOP:
 785                         opt_loops = true;
 786                         break;
 787
 788                 case OPT_INLINING:
 789                         for (j = 0; j < strlen(opt_arg); j++) {
 790                                 switch (opt_arg[j]) {
 791                                 case 'n':
 792                                         useinlining = true;
 793                                         break;
 794                                 case 'v':
 795                                         inlinevirtuals = true;
 796                                         break;
 797                                 case 'e':
 798                                         inlineexceptions = true;
 799                                         break;
 800                                 case 'p':
 801                                         inlineparamopt = true;
 802                                         break;
 803                                 case 'o':
 804                                         inlineoutsiders = true;
 805                                         break;
 806                                 default:
 807                                         print_usage();
 808                                         exit(10);
 809                                 }
 810                         }
 811                         break;
 812
 813                 case OPT_RT:
 814                         opt_rt = true;
 815                         break;
 816
 817                 case OPT_XTA:
 818                         opt_xta = false; /**not yet **/
 819                         break;
 820
 821                 case OPT_VTA:
 822                         /***opt_vta = true; not yet **/
 823                         break;
 824
 825                 default:
 826                         print_usage();
 827                         exit(10);
 828                 }
 829         }
 830
 831
 832         if (opt_ind >= argc) {
 833                 print_usage();
 834                 exit(10);
 835         }
 836
 837
 838         /**************************** Program start *****************************/
 839
 840         log_init(logfilename);
 841         if (verbose) {
 842                 log_text("CACAO started -------------------------------------------------------");
 843         }
 844
 845         native_setclasspath(classpath);
 846
 847         tables_init();
 848         suck_init(classpath);
 849
 850         heap_init(heapsize, heapstartsize, &dummy);
 851
 852         jit_init();
 853
 854         loader_init((u1 *) &dummy);
 855
 856         native_loadclasses();
 857
 858
 859         /*********************** Load JAVA classes  ***************************/
 860
 861         cp = argv[opt_ind++];
 862         for (i = strlen(cp) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 863                 if (cp[i] == '.') cp[i] = '/';          /* in the class name */
 864         }
 865
 866         /*printf("-------------------->%s\n",cp);*/
 867         topclass = loader_load(utf_new_char(cp));
 868         /*class_showmethods(topclass);  */
 869
 870         if (*exceptionptr != 0) {
 871                 printf("Exception in thread \"main\" ");
 872                 utf_display((*exceptionptr)->vftbl->class->name);
 873                 printf(": ");
 874                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 875                 printf("\n");
 876
 877                 *exceptionptr = 0;
 878         }
 879
 880         if (topclass == 0) {
 881                 /* should we print out something? we already have the exception */
 882                 exit(1);
 883         }
 884
 885         /* initialize the garbage collector */
 886         gc_init();
 887
 888 #ifdef USE_THREADS
 889         initThreads((u1*) &dummy);
 890 #endif
 891
 892
 893         /************************* Start worker routines ********************/
 894
 895         if (startit) {
 896                 methodinfo *mainmethod;
 897                 java_objectarray *a;
 898
 899 /*              heap_addreference((void**) &a); */
 900
 901                 mainmethod = class_findmethod(topclass,
 902                                                                           utf_new_char("main"),
 903                                                                           utf_new_char("([Ljava/lang/String;)V")
 904                                                                           );
 905
 906                 /* there is no main method or it isn't static */
 907                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 908                         printf("Exception in thread \"main\" java.lang.NoSuchMethodError: main\n");
 909                         exit(1);
 910                 }
 911
 912                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 913                 for (i = opt_ind; i < argc; i++) {
 914                         a->data[i - opt_ind] =
 915                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 916                 }
 917
 918 #ifdef TYPEINFO_DEBUG_TEST
 919                 /* test the typeinfo system */
 920                 typeinfo_test();
 921 #endif
 922                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 923
 924                 /* here we go... */
 925                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 926
 927                 if (*exceptionptr) {
 928                         printf("Exception in thread \"main\" ");
 929                         utf_display((*exceptionptr)->vftbl->class->name);
 930
 931                         /* do we have a detail message? */
 932                         if (((java_lang_Throwable *) *exceptionptr)->detailMessage) {
 933                                 printf(": ");
 934                                 utf_display(javastring_toutf(((java_lang_Throwable *) *exceptionptr)->detailMessage, false));
 935                         }
 936                         printf("\n");
 937                 }
 938
 939 #ifdef USE_THREADS
 940                 killThread(currentThread);
 941 #endif
 942                 fprintf(stderr, "still here\n");
 943         }
 944
 945         /************* If requested, compile all methods ********************/
 946
 947         if (compileall) {
 948                 class_compile_methods();
 949         }
 950
 951
 952         /******** If requested, compile a specific method ***************/
 953
 954         if (specificmethodname) {
 955                 methodinfo *m;
 956                 if (specificsignature) {
 957                         m = class_findmethod(topclass,
 958                                                                  utf_new_char(specificmethodname),
 959                                                                  utf_new_char(specificsignature));
 960                 } else {
 961                         m = class_findmethod(topclass,
 962                                                                  utf_new_char(specificmethodname),
 963                                                                  NULL);
 964                 }
 965
 966                 if (!m)
 967                         panic("Specific method not found");
 968
 969                 jit_compile(m);
 970         }
 971
 972         exit(0);
 973 }
 974
 975
 976
 977 /************************************ Shutdown function *********************************
 978
 979         Terminates the system immediately without freeing memory explicitly (to be
 980         used only for abnormal termination)
 981
 982 *****************************************************************************************/
 983
 984 void cacao_shutdown(s4 status)
 985 {
 986         /**** RTAprint ***/
 987
 988         if (verbose || getcompilingtime || statistics) {
 989                 log_text ("CACAO terminated by shutdown");
 990                 if (statistics)
 991                         print_stats();
 992                 if (getcompilingtime)
 993                         print_times();
 994                 mem_usagelog(0);
 995                 dolog("Exit status: %d\n", (int) status);
 996         }
 997
 998         exit(status);
 999 }
1000
1001
1002 /*
1003  * These are local overrides for various environment variables in Emacs.
1004  * Please do not remove this and leave it at the end of the file, where
1005  * Emacs will automagically detect them.
1006  * ---------------------------------------------------------------------
1007  * Local variables:
1008  * mode: c
1009  * indent-tabs-mode: t
1010  * c-basic-offset: 4
1011  * tab-width: 4
1012  * End:
1013  */