src/cacao/cacao.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: cacao.c 1032 2004-04-26 16:09:10Z 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 verboseexception = false;
  72 bool collectverbose = false;
  73
  74 bool loadverbose = false;
  75 bool linkverbose = false;
  76 bool initverbose = false;
  77
  78 bool opt_rt = false;           /* true if RTA parse should be used     RT-CO */
  79 bool opt_xta = false;          /* true if XTA parse should be used    XTA-CO */
  80 bool opt_vta = false;          /* true if VTA parse should be used    VTA-CO */
  81
  82 bool opt_liberalutf = false;   /* Don't check overlong UTF-8 sequences       */
  83
  84 bool showmethods = false;
  85 bool showconstantpool = false;
  86 bool showutf = false;
  87
  88 bool compileverbose =  false;  /* trace compiler actions                     */
  89 bool showstack = false;
  90 bool showdisassemble = false;  /* generate disassembler listing              */
  91 bool showddatasegment = false; /* generate data segment listing              */
  92 bool showintermediate = false; /* generate intermediate code listing         */
  93
  94 bool useinlining = false;      /* use method inlining                        */
  95 bool inlinevirtuals = false;   /* inline unique virtual methods              */
  96 bool inlineexceptions = false; /* inline methods, that contain excptions     */
  97 bool inlineparamopt = false;   /* optimize parameter passing to inlined methods */
  98 bool inlineoutsiders = false;  /* inline methods, that are not member of the invoker's class */
  99
 100 bool checkbounds = true;       /* check array bounds                         */
 101 bool checknull = true;         /* check null pointers                        */
 102 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
 103 bool checksync = true;         /* do synchronization                         */
 104 bool opt_loops = false;        /* optimize array accesses in loops           */
 105
 106 bool makeinitializations = true;
 107
 108 bool getloadingtime = false;   /* to measure the runtime                     */
 109 s8 loadingtime = 0;
 110
 111 bool getcompilingtime = false; /* compute compile time                       */
 112 s8 compilingtime = 0;          /* accumulated compile time                   */
 113
 114 int has_ext_instr_set = 0;     /* has instruction set extensions */
 115
 116 bool statistics = false;
 117
 118 bool opt_verify = true;        /* true if classfiles should be verified      */
 119
 120 char *mainstring;
 121 static classinfo *mainclass;
 122
 123 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 124 void **stackbottom = 0;
 125 #endif
 126
 127
 128 /* internal function: get_opt *************************************************
 129
 130         decodes the next command line option
 131
 132 ******************************************************************************/
 133
 134 #define OPT_DONE       -1
 135 #define OPT_ERROR       0
 136 #define OPT_IGNORE      1
 137
 138 #define OPT_CLASSPATH   2
 139 #define OPT_D           3
 140 #define OPT_MS          4
 141 #define OPT_MX          5
 142 #define OPT_VERBOSE1    6
 143 #define OPT_VERBOSE     7
 144 #define OPT_VERBOSEGC   8
 145 #define OPT_VERBOSECALL 9
 146 #define OPT_NOIEEE      10
 147 #define OPT_SOFTNULL    11
 148 #define OPT_TIME        12
 149 #define OPT_STAT        13
 150 #define OPT_LOG         14
 151 #define OPT_CHECK       15
 152 #define OPT_LOAD        16
 153 #define OPT_METHOD      17
 154 #define OPT_SIGNATURE   18
 155 #define OPT_SHOW        19
 156 #define OPT_ALL         20
 157 #define OPT_OLOOP       24
 158 #define OPT_INLINING    25
 159 #define OPT_RT          26
 160 #define OPT_XTA         27
 161 #define OPT_VTA         28
 162 #define OPT_VERBOSETC   29
 163 #define OPT_NOVERIFY    30
 164 #define OPT_LIBERALUTF  31
 165 #define OPT_VERBOSEEXCEPTION 32
 166
 167 struct {char *name; bool arg; int value;} opts[] = {
 168         {"classpath",   true,   OPT_CLASSPATH},
 169         {"D",           true,   OPT_D},
 170         {"ms",          true,   OPT_MS},
 171         {"mx",          true,   OPT_MX},
 172         {"noasyncgc",   false,  OPT_IGNORE},
 173         {"noverify",    false,  OPT_NOVERIFY},
 174         {"liberalutf",  false,  OPT_LIBERALUTF},
 175         {"oss",         true,   OPT_IGNORE},
 176         {"ss",          true,   OPT_IGNORE},
 177         {"v",           false,  OPT_VERBOSE1},
 178         {"verbose",     false,  OPT_VERBOSE},
 179         {"verbosegc",   false,  OPT_VERBOSEGC},
 180         {"verbosecall", false,  OPT_VERBOSECALL},
 181         {"verboseexception", false, OPT_VERBOSEEXCEPTION},
 182 #ifdef TYPECHECK_VERBOSE
 183         {"verbosetc",   false,  OPT_VERBOSETC},
 184 #endif
 185 #if defined(__ALPHA__)
 186         {"noieee",      false,  OPT_NOIEEE},
 187 #endif
 188         {"softnull",    false,  OPT_SOFTNULL},
 189         {"time",        false,  OPT_TIME},
 190         {"stat",        false,  OPT_STAT},
 191         {"log",         true,   OPT_LOG},
 192         {"c",           true,   OPT_CHECK},
 193         {"l",           false,  OPT_LOAD},
 194         {"m",           true,   OPT_METHOD},
 195         {"sig",         true,   OPT_SIGNATURE},
 196         {"s",           true,   OPT_SHOW},
 197         {"all",         false,  OPT_ALL},
 198         {"oloop",       false,  OPT_OLOOP},
 199         {"i",               true,   OPT_INLINING},
 200         {"rt",          false,  OPT_RT},
 201         {"xta",         false,  OPT_XTA},
 202         {"vta",         false,  OPT_VTA},
 203         {NULL,  false, 0}
 204 };
 205
 206 static int opt_ind = 1;
 207 static char *opt_arg;
 208
 209
 210 static int get_opt(int argc, char **argv)
 211 {
 212         char *a;
 213         int i;
 214
 215         if (opt_ind >= argc) return OPT_DONE;
 216
 217         a = argv[opt_ind];
 218         if (a[0] != '-') return OPT_DONE;
 219
 220         for (i = 0; opts[i].name; i++) {
 221                 if (!opts[i].arg) {
 222                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 223                                 opt_ind++;
 224                                 return opts[i].value;
 225                         }
 226
 227                 } else {
 228                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 229                                 opt_ind++;
 230                                 if (opt_ind < argc) {
 231                                         opt_arg = argv[opt_ind];
 232                                         opt_ind++;
 233                                         return opts[i].value;
 234                                 }
 235                                 return OPT_ERROR;
 236
 237                         } else {
 238                                 size_t l = strlen(opts[i].name);
 239                                 if (strlen(a + 1) > l) {
 240                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 241                                                 opt_ind++;
 242                                                 opt_arg = a + 1 + l;
 243                                                 return opts[i].value;
 244                                         }
 245                                 }
 246                         }
 247                 }
 248         } /* end for */
 249
 250         return OPT_ERROR;
 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         printf("          -verboseexception .... write message for each step of stack unwinding\n");
 273 #ifdef TYPECHECK_VERBOSE
 274         printf("          -verbosetc ........... write debug messages while typechecking\n");
 275 #endif
 276 #if defined(__ALPHA__)
 277         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 278 #endif
 279         printf("          -noverify ............ don't verify classfiles\n");
 280         printf("          -liberalutf........... don't warn about overlong UTF-8 sequences\n");
 281         printf("          -softnull ............ use software nullpointer check\n");
 282         printf("          -time ................ measure the runtime\n");
 283         printf("          -stat ................ detailed compiler statistics\n");
 284         printf("          -log logfile ......... specify a name for the logfile\n");
 285         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 286         printf("                  s(ync) ....... don't check for synchronization\n");
 287         printf("          -oloop ............... optimize array accesses in loops\n");
 288         printf("          -l ................... don't start the class after loading\n");
 289         printf("          -all ................. compile all methods, no execution\n");
 290         printf("          -m ................... compile only a specific method\n");
 291         printf("          -sig ................. specify signature for a specific method\n");
 292         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 293         printf("                 c(onstants) ... show the constant pool\n");
 294         printf("                 d(atasegment).. show data segment listing\n");
 295         printf("                 i(ntermediate). show intermediate representation\n");
 296         printf("                 m(ethods)...... show class fields and methods\n");
 297         printf("                 u(tf) ......... show the utf - hash\n");
 298         printf("          -i     n ............. activate inlining\n");
 299         printf("                 v ............. inline virtual methods\n");
 300         printf("                 e ............. inline methods with exceptions\n");
 301         printf("                 p ............. optimize argument renaming\n");
 302         printf("                 o ............. inline methods of foreign classes\n");
 303         printf("          -rt .................. use rapid type analysis\n");
 304         printf("          -xta ................. use x type analysis\n");
 305         printf("          -vta ................. use variable type analysis\n");
 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 /***************************** Function: print_stats *********************
 356
 357         outputs detailed compiler statistics
 358
 359 **************************************************************************/
 360
 361 static void print_stats()
 362 {
 363         char logtext[MAXLOGTEXT];
 364
 365         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 366         log_text(logtext);
 367         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 368         log_text(logtext);
 369         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 370         log_text(logtext);
 371         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 372         log_text(logtext);
 373         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 374         log_text(logtext);
 375         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 376         log_text(logtext);
 377         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 378                         count_javacodesize - count_methods * 18);
 379         log_text(logtext);
 380         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 381         log_text(logtext);
 382         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 383         log_text(logtext);
 384         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 385         log_text(logtext);
 386         sprintf(logtext, "Number of Spills: %d", count_spills);
 387         log_text(logtext);
 388         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 389         log_text(logtext);
 390         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 391         log_text(logtext);
 392         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 393         log_text(logtext);
 394         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 395         log_text(logtext);
 396         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 397         log_text(logtext);
 398         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 399         log_text(logtext);
 400         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 401         log_text(logtext);
 402         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 403         log_text(logtext);
 404         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 405         log_text(logtext);
 406         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 407         log_text(logtext);
 408         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 409         log_text(logtext);
 410         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 411                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 412         log_text(logtext);
 413         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 414         log_text(logtext);
 415         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 416                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 417         log_text(logtext);
 418         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 419         log_text(logtext);
 420         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 421         log_text(logtext);
 422         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 423         log_text(logtext);
 424         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 425         log_text(logtext);
 426         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 427         log_text(logtext);
 428         sprintf(logtext, "Distribution of stack sizes at block boundary");
 429         log_text(logtext);
 430         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 431         log_text(logtext);
 432         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_block_stack[0],
 433                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 434                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 435                         count_block_stack[9], count_block_stack[10]);
 436         log_text(logtext);
 437         sprintf(logtext, "Distribution of store stack depth");
 438         log_text(logtext);
 439         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 440         log_text(logtext);
 441         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 442                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 443                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 444                         count_store_depth[9], count_store_depth[10]);
 445         log_text(logtext);
 446         sprintf(logtext, "Distribution of store creator chains first part");
 447         log_text(logtext);
 448         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 449         log_text(logtext);
 450         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 451                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 452                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 453                         count_store_length[9]);
 454         log_text(logtext);
 455         sprintf(logtext, "Distribution of store creator chains second part");
 456         log_text(logtext);
 457         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 458         log_text(logtext);
 459         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 460                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 461                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 462                         count_store_length[19], count_store_length[20]);
 463         log_text(logtext);
 464         sprintf(logtext, "Distribution of analysis iterations");
 465         log_text(logtext);
 466         sprintf(logtext, "    1    2    3    4    >=5");
 467         log_text(logtext);
 468         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 469                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 470         log_text(logtext);
 471         sprintf(logtext, "Distribution of basic blocks per method");
 472         log_text(logtext);
 473         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 474         log_text(logtext);
 475         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 476                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 477                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 478                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 479         log_text(logtext);
 480         sprintf(logtext, "Distribution of basic block sizes");
 481         log_text(logtext);
 482         sprintf(logtext,
 483                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 484         log_text(logtext);
 485         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 486                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 487                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 488                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 489                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 490                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 491                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 492         log_text(logtext);
 493         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 494         log_text(logtext);
 495         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 496         log_text(logtext);
 497         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 498         log_text(logtext);
 499         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 500         log_text(logtext);
 501         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 502         log_text(logtext);
 503         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 504         log_text(logtext);
 505         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 506         log_text(logtext);
 507         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 508         log_text(logtext);
 509         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 510                         count_vmcode_len - 18 * count_all_methods);
 511         log_text(logtext);
 512         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 513         log_text(logtext);
 514         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 515         log_text(logtext);
 516         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 517         log_text(logtext);
 518         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 519         log_text(logtext);
 520
 521         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 522         log_text(logtext);
 523         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 524         log_text(logtext);
 525 }
 526
 527
 528 #ifdef TYPECHECK_STATISTICS
 529 void typecheck_print_statistics(FILE *file);
 530 #endif
 531
 532
 533 /*
 534  * void exit_handler(void)
 535  * -----------------------
 536  * The exit_handler function is called upon program termination to shutdown
 537  * the various subsystems and release the resources allocated to the VM.
 538  */
 539 void exit_handler(void)
 540 {
 541         /********************* Print debug tables ************************/
 542
 543         if (showmethods) class_showmethods(mainclass);
 544         if (showconstantpool) class_showconstantpool(mainclass);
 545         if (showutf) utf_show();
 546
 547 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 548         clear_thread_flags();           /* restores standard file descriptor
 549                                        flags */
 550 #endif
 551
 552         /************************ Free all resources *******************/
 553
 554         /*heap_close();*/               /* must be called before compiler_close and
 555                                        loader_close because finalization occurs
 556                                        here */
 557
 558         loader_close();
 559         tables_close(literalstring_free);
 560
 561         if (verbose || getcompilingtime || statistics) {
 562                 log_text("CACAO terminated");
 563                 if (statistics) {
 564                         print_stats();
 565 #ifdef TYPECHECK_STATISTICS
 566                         typecheck_print_statistics(get_logfile());
 567 #endif
 568                 }
 569                 if (getcompilingtime)
 570                         print_times();
 571                 mem_usagelog(1);
 572         }
 573 }
 574
 575
 576 /************************** Function: main *******************************
 577
 578    The main program.
 579
 580 **************************************************************************/
 581
 582 int main(int argc, char **argv)
 583 {
 584         s4 i, j;
 585         void *dummy;
 586
 587         /********** interne (nur fuer main relevante Optionen) **************/
 588
 589         char logfilename[200] = "";
 590         u4 heapmaxsize = 64000000;
 591         u4 heapstartsize = 200000;
 592         char *cp;
 593         char classpath[500] = ".";
 594         bool startit = true;
 595         char *specificmethodname = NULL;
 596         char *specificsignature = NULL;
 597
 598 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 599         stackbottom = &dummy;
 600 #endif
 601
 602         if (0 != atexit(exit_handler))
 603                 panic("unable to register exit_handler");
 604
 605         /************ Collect info from the environment ************************/
 606
 607         cp = getenv("CLASSPATH");
 608         if (cp) {
 609                 strcpy(classpath, cp);
 610         }
 611
 612         /***************** Interpret the command line *****************/
 613
 614         checknull = false;
 615         opt_noieee = false;
 616
 617         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 618                 switch (i) {
 619                 case OPT_IGNORE: break;
 620
 621                 case OPT_CLASSPATH:
 622                         strcpy(classpath + strlen(classpath), ":");
 623                         strcpy(classpath + strlen(classpath), opt_arg);
 624                         break;
 625
 626                 case OPT_D:
 627                         {
 628                                 int n;
 629                                 int l = strlen(opt_arg);
 630                                 for (n = 0; n < l; n++) {
 631                                         if (opt_arg[n] == '=') {
 632                                                 opt_arg[n] = '\0';
 633                                                 attach_property(opt_arg, opt_arg + n + 1);
 634                                                 goto didit;
 635                                         }
 636                                 }
 637                                 print_usage();
 638                                 exit(10);
 639
 640                         didit: ;
 641                         }
 642                         break;
 643
 644                 case OPT_MS:
 645                 case OPT_MX:
 646                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 647                                 j = 1024 * atoi(opt_arg);
 648
 649                         } else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 650                                 j = 1024 * 1024 * atoi(opt_arg);
 651
 652                         } else j = atoi(opt_arg);
 653
 654                         if (i == OPT_MX) heapmaxsize = j;
 655                         else heapstartsize = j;
 656                         break;
 657
 658                 case OPT_VERBOSE1:
 659                         verbose = true;
 660                         break;
 661
 662                 case OPT_VERBOSE:
 663                         verbose = true;
 664                         loadverbose = true;
 665                         linkverbose = true;
 666                         initverbose = true;
 667                         compileverbose = true;
 668                         break;
 669
 670                 case OPT_VERBOSEEXCEPTION:
 671                         verboseexception = true;
 672                         break;
 673
 674                 case OPT_VERBOSEGC:
 675                         collectverbose = true;
 676                         break;
 677
 678 #ifdef TYPECHECK_VERBOSE
 679                 case OPT_VERBOSETC:
 680                         typecheckverbose = true;
 681                         break;
 682 #endif
 683
 684                 case OPT_VERBOSECALL:
 685                         runverbose = true;
 686                         break;
 687
 688                 case OPT_NOIEEE:
 689                         opt_noieee = true;
 690                         break;
 691
 692                 case OPT_NOVERIFY:
 693                         opt_verify = false;
 694                         break;
 695
 696                 case OPT_LIBERALUTF:
 697                         opt_liberalutf = true;
 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         mainstring = argv[opt_ind++];
 838         for (i = strlen(mainstring) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 839                 if (mainstring[i] == '.') mainstring[i] = '/';  /* in the class name */
 840         }
 841
 842
 843         /**************************** Program start *****************************/
 844         log_init(logfilename);
 845         if (verbose) {
 846                 log_text("CACAO started -------------------------------------------------------");
 847         }
 848
 849         /* initialize the garbage collector */
 850         gc_init(heapmaxsize, heapstartsize);
 851
 852         native_setclasspath(classpath);
 853
 854         tables_init();
 855         suck_init(classpath);
 856
 857         jit_init();
 858
 859 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
 860         initThreadsEarly();
 861 #endif
 862
 863         loader_init((u1 *) &dummy);
 864
 865         native_loadclasses();
 866
 867 #if defined(USE_THREADS)
 868         initThreads((u1*) &dummy);
 869 #endif
 870
 871
 872         /************************* Start worker routines ********************/
 873
 874         if (startit) {
 875                 methodinfo *mainmethod;
 876                 java_objectarray *a;
 877
 878                 /* create, load and link the main class */
 879                 mainclass = class_new(utf_new_char(mainstring));
 880                 class_load(mainclass);
 881
 882                 if (*exceptionptr)
 883                         throw_exception_exit();
 884
 885                 class_link(mainclass);
 886
 887                 if (*exceptionptr)
 888                         throw_exception_exit();
 889
 890                 mainmethod = class_resolveclassmethod(mainclass,
 891                                                                                           utf_new_char("main"),
 892                                                                                           utf_new_char("([Ljava/lang/String;)V"),
 893                                                                                           mainclass,
 894                                                                                           true);
 895
 896                 /* problems with main method? */
 897                 if (*exceptionptr)
 898                         throw_exception_exit();
 899
 900                 /* there is no main method or it isn't static */
 901                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 902                         *exceptionptr =
 903                                 new_exception_message(string_java_lang_NoSuchMethodError,
 904                                                                           "main");
 905                         throw_exception_exit();
 906                 }
 907
 908                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 909                 for (i = opt_ind; i < argc; i++) {
 910                         a->data[i - opt_ind] =
 911                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 912                 }
 913
 914 #ifdef TYPEINFO_DEBUG_TEST
 915                 /* test the typeinfo system */
 916                 typeinfo_test();
 917 #endif
 918                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 919
 920                 *threadrootmethod = mainmethod;
 921
 922                 /* here we go... */
 923                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 924
 925                 /* exception occurred? */
 926                 if (*exceptionptr)
 927                         throw_exception_exit();
 928
 929 #if defined(USE_THREADS)
 930 #if defined(NATIVE_THREADS)
 931                 joinAllThreads();
 932 #else
 933                 killThread(currentThread);
 934                 fprintf(stderr, "still here\n");
 935 #endif
 936 #endif
 937                 exit(0);
 938         }
 939
 940         /************* If requested, compile all methods ********************/
 941
 942         if (compileall) {
 943                 classinfo *c;
 944                 methodinfo *m;
 945                 u4 slot;
 946                 s4 i;
 947
 948                 /* create all classes found in the classpath */
 949                 /* XXX currently only works with zip/jar's */
 950                 create_all_classes();
 951
 952                 /* load and link all classes */
 953                 for (slot = 0; slot < class_hash.size; slot++) {
 954                         c = class_hash.ptr[slot];
 955
 956                         while (c) {
 957                                 if (!c->loaded)
 958                                         class_load(c);
 959
 960                                 if (!c->linked)
 961                                         class_link(c);
 962
 963                                 /* compile all class methods */
 964                                 for (i = 0; i < c->methodscount; i++) {
 965                                         m = &(c->methods[i]);
 966                                         if (m->jcode) {
 967                                                 (void) jit_compile(m);
 968                                         }
 969                                 }
 970
 971                                 c = c->hashlink;
 972                         }
 973                 }
 974         }
 975
 976
 977         /******** If requested, compile a specific method ***************/
 978
 979         if (specificmethodname) {
 980                 methodinfo *m;
 981
 982                 /* create, load and link the main class */
 983                 mainclass = class_new(utf_new_char(mainstring));
 984                 class_load(mainclass);
 985
 986                 if (*exceptionptr)
 987                         throw_exception_exit();
 988
 989                 class_link(mainclass);
 990
 991                 if (*exceptionptr)
 992                         throw_exception_exit();
 993
 994                 if (specificsignature) {
 995                         m = class_resolveclassmethod(mainclass,
 996                                                                                  utf_new_char(specificmethodname),
 997                                                                                  utf_new_char(specificsignature),
 998                                                                                  mainclass,
 999                                                                                  false);
1000                 } else {
1001                         m = class_resolveclassmethod(mainclass,
1002                                                                                  utf_new_char(specificmethodname),
1003                                                                                  NULL,
1004                                                                                  mainclass,
1005                                                                                  false);
1006                 }
1007
1008                 if (!m) {
1009                         char message[MAXLOGTEXT];
1010                         sprintf(message, "%s%s", specificmethodname,
1011                                         specificmethodname ? specificmethodname : "");
1012
1013                         *exceptionptr =
1014                                 new_exception_message(string_java_lang_NoSuchMethodException,
1015                                                                           message);
1016
1017                         throw_exception_exit();
1018                 }
1019
1020                 jit_compile(m);
1021         }
1022
1023         exit(0);
1024 }
1025
1026
1027
1028 /*************************** Shutdown function *********************************
1029
1030         Terminates the system immediately without freeing memory explicitly (to be
1031         used only for abnormal termination)
1032
1033 *******************************************************************************/
1034
1035 void cacao_shutdown(s4 status)
1036 {
1037         /**** RTAprint ***/
1038
1039         if (verbose || getcompilingtime || statistics) {
1040                 log_text ("CACAO terminated by shutdown");
1041                 if (statistics)
1042                         print_stats();
1043                 if (getcompilingtime)
1044                         print_times();
1045                 mem_usagelog(0);
1046                 dolog("Exit status: %d\n", (int) status);
1047         }
1048
1049         exit(status);
1050 }
1051
1052
1053 /*
1054  * These are local overrides for various environment variables in Emacs.
1055  * Please do not remove this and leave it at the end of the file, where
1056  * Emacs will automagically detect them.
1057  * ---------------------------------------------------------------------
1058  * Local variables:
1059  * mode: c
1060  * indent-tabs-mode: t
1061  * c-basic-offset: 4
1062  * tab-width: 4
1063  * End:
1064  */