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 1094 2004-05-27 15:52:27Z twisti $
  41
  42 */
  43
  44
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include "main.h"
  48 #include "global.h"
  49 #include "tables.h"
  50 #include "loader.h"
  51 #include "jit.h"
  52 #include "asmpart.h"
  53 #include "builtin.h"
  54 #include "native.h"
  55 #include "mm/boehm.h"
  56 #include "threads/thread.h"
  57 #include "toolbox/logging.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 opt_stat = false;
 117
 118 bool opt_verify = true;        /* true if classfiles should be verified      */
 119
 120 bool opt_eager = false;
 121
 122 char *mainstring;
 123 static classinfo *mainclass;
 124
 125 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 126 void **stackbottom = 0;
 127 #endif
 128
 129
 130 /* internal function: get_opt *************************************************
 131
 132         decodes the next command line option
 133
 134 ******************************************************************************/
 135
 136 #define OPT_DONE       -1
 137 #define OPT_ERROR       0
 138 #define OPT_IGNORE      1
 139
 140 #define OPT_CLASSPATH   2
 141 #define OPT_D           3
 142 #define OPT_MS          4
 143 #define OPT_MX          5
 144 #define OPT_VERBOSE1    6
 145 #define OPT_VERBOSE     7
 146 #define OPT_VERBOSEGC   8
 147 #define OPT_VERBOSECALL 9
 148 #define OPT_NOIEEE      10
 149 #define OPT_SOFTNULL    11
 150 #define OPT_TIME        12
 151 #define OPT_STAT        13
 152 #define OPT_LOG         14
 153 #define OPT_CHECK       15
 154 #define OPT_LOAD        16
 155 #define OPT_METHOD      17
 156 #define OPT_SIGNATURE   18
 157 #define OPT_SHOW        19
 158 #define OPT_ALL         20
 159 #define OPT_OLOOP       24
 160 #define OPT_INLINING    25
 161 #define OPT_RT          26
 162 #define OPT_XTA         27
 163 #define OPT_VTA         28
 164 #define OPT_VERBOSETC   29
 165 #define OPT_NOVERIFY    30
 166 #define OPT_LIBERALUTF  31
 167 #define OPT_VERBOSEEXCEPTION 32
 168 #define OPT_EAGER            33
 169
 170
 171 struct {char *name; bool arg; int value;} opts[] = {
 172         {"classpath",        true,   OPT_CLASSPATH},
 173         {"D",                true,   OPT_D},
 174         {"ms",               true,   OPT_MS},
 175         {"mx",               true,   OPT_MX},
 176         {"noasyncgc",        false,  OPT_IGNORE},
 177         {"noverify",         false,  OPT_NOVERIFY},
 178         {"liberalutf",       false,  OPT_LIBERALUTF},
 179         {"oss",              true,   OPT_IGNORE},
 180         {"ss",               true,   OPT_IGNORE},
 181         {"v",                false,  OPT_VERBOSE1},
 182         {"verbose",          false,  OPT_VERBOSE},
 183         {"verbosegc",        false,  OPT_VERBOSEGC},
 184         {"verbosecall",      false,  OPT_VERBOSECALL},
 185         {"verboseexception", false,  OPT_VERBOSEEXCEPTION},
 186 #ifdef TYPECHECK_VERBOSE
 187         {"verbosetc",        false,  OPT_VERBOSETC},
 188 #endif
 189 #if defined(__ALPHA__)
 190         {"noieee",           false,  OPT_NOIEEE},
 191 #endif
 192         {"softnull",         false,  OPT_SOFTNULL},
 193         {"time",             false,  OPT_TIME},
 194         {"stat",             false,  OPT_STAT},
 195         {"log",              true,   OPT_LOG},
 196         {"c",                true,   OPT_CHECK},
 197         {"l",                false,  OPT_LOAD},
 198     { "eager",            false,  OPT_EAGER },
 199         {"m",                true,   OPT_METHOD},
 200         {"sig",              true,   OPT_SIGNATURE},
 201         {"s",                true,   OPT_SHOW},
 202         {"all",              false,  OPT_ALL},
 203         {"oloop",            false,  OPT_OLOOP},
 204         {"i",                    true,   OPT_INLINING},
 205         {"rt",               false,  OPT_RT},
 206         {"xta",              false,  OPT_XTA},
 207         {"vta",              false,  OPT_VTA},
 208         {NULL,               false,  0}
 209 };
 210
 211 static int opt_ind = 1;
 212 static char *opt_arg;
 213
 214
 215 static int get_opt(int argc, char **argv)
 216 {
 217         char *a;
 218         int i;
 219
 220         if (opt_ind >= argc) return OPT_DONE;
 221
 222         a = argv[opt_ind];
 223         if (a[0] != '-') return OPT_DONE;
 224
 225         for (i = 0; opts[i].name; i++) {
 226                 if (!opts[i].arg) {
 227                         if (strcmp(a + 1, opts[i].name) == 0) { /* boolean option found */
 228                                 opt_ind++;
 229                                 return opts[i].value;
 230                         }
 231
 232                 } else {
 233                         if (strcmp(a + 1, opts[i].name) == 0) { /* parameter option found */
 234                                 opt_ind++;
 235                                 if (opt_ind < argc) {
 236                                         opt_arg = argv[opt_ind];
 237                                         opt_ind++;
 238                                         return opts[i].value;
 239                                 }
 240                                 return OPT_ERROR;
 241
 242                         } else {
 243                                 size_t l = strlen(opts[i].name);
 244                                 if (strlen(a + 1) > l) {
 245                                         if (memcmp(a + 1, opts[i].name, l) == 0) {
 246                                                 opt_ind++;
 247                                                 opt_arg = a + 1 + l;
 248                                                 return opts[i].value;
 249                                         }
 250                                 }
 251                         }
 252                 }
 253         } /* end for */
 254
 255         return OPT_ERROR;
 256 }
 257
 258
 259 /******************** interne Function: print_usage ************************
 260
 261 Prints the correct usage syntax to stdout.
 262
 263 ***************************************************************************/
 264
 265 static void print_usage()
 266 {
 267         printf("USAGE: cacao [options] classname [program arguments]\n");
 268         printf("Options:\n");
 269         printf("          -classpath path ...... specify a path to look for classes\n");
 270         printf("          -Dpropertyname=value . add an entry to the property list\n");
 271         printf("          -mx maxmem[k|m] ...... specify the size for the heap\n");
 272         printf("          -ms initmem[k|m] ..... specify the initial size for the heap\n");
 273         printf("          -v ................... write state-information\n");
 274         printf("          -verbose ............. write more information\n");
 275         printf("          -verbosegc ........... write message for each GC\n");
 276         printf("          -verbosecall ......... write message for each call\n");
 277         printf("          -verboseexception .... write message for each step of stack unwinding\n");
 278 #ifdef TYPECHECK_VERBOSE
 279         printf("          -verbosetc ........... write debug messages while typechecking\n");
 280 #endif
 281 #if defined(__ALPHA__)
 282         printf("          -noieee .............. don't use ieee compliant arithmetic\n");
 283 #endif
 284         printf("          -noverify ............ don't verify classfiles\n");
 285         printf("          -liberalutf........... don't warn about overlong UTF-8 sequences\n");
 286         printf("          -softnull ............ use software nullpointer check\n");
 287         printf("          -time ................ measure the runtime\n");
 288         printf("          -stat ................ detailed compiler statistics\n");
 289         printf("          -log logfile ......... specify a name for the logfile\n");
 290         printf("          -c(heck)b(ounds) ..... don't check array bounds\n");
 291         printf("                  s(ync) ....... don't check for synchronization\n");
 292         printf("          -oloop ............... optimize array accesses in loops\n");
 293         printf("          -l ................... don't start the class after loading\n");
 294         printf("          -eager                 perform eager class loading and linking\n");
 295         printf("          -all ................. compile all methods, no execution\n");
 296         printf("          -m ................... compile only a specific method\n");
 297         printf("          -sig ................. specify signature for a specific method\n");
 298         printf("          -s(how)a(ssembler) ... show disassembled listing\n");
 299         printf("                 c(onstants) ... show the constant pool\n");
 300         printf("                 d(atasegment).. show data segment listing\n");
 301         printf("                 i(ntermediate). show intermediate representation\n");
 302         printf("                 m(ethods)...... show class fields and methods\n");
 303         printf("                 u(tf) ......... show the utf - hash\n");
 304         printf("          -i     n ............. activate inlining\n");
 305         printf("                 v ............. inline virtual methods\n");
 306         printf("                 e ............. inline methods with exceptions\n");
 307         printf("                 p ............. optimize argument renaming\n");
 308         printf("                 o ............. inline methods of foreign classes\n");
 309         printf("          -rt .................. use rapid type analysis\n");
 310         printf("          -xta ................. use x type analysis\n");
 311         printf("          -vta ................. use variable type analysis\n");
 312 }
 313
 314
 315 /***************************** Function: print_times *********************
 316
 317         Prints a summary of CPU time usage.
 318
 319 **************************************************************************/
 320
 321 static void print_times()
 322 {
 323         s8 totaltime = getcputime();
 324         s8 runtime = totaltime - loadingtime - compilingtime;
 325         char logtext[MAXLOGTEXT];
 326
 327 #if defined(__I386__) || defined(__POWERPC__)
 328         sprintf(logtext, "Time for loading classes: %lld secs, %lld millis",
 329 #else
 330         sprintf(logtext, "Time for loading classes: %ld secs, %ld millis",
 331 #endif
 332                         loadingtime / 1000000, (loadingtime % 1000000) / 1000);
 333         log_text(logtext);
 334
 335 #if defined(__I386__) || defined(__POWERPC__)
 336         sprintf(logtext, "Time for compiling code:  %lld secs, %lld millis",
 337 #else
 338         sprintf(logtext, "Time for compiling code:  %ld secs, %ld millis",
 339 #endif
 340                         compilingtime / 1000000, (compilingtime % 1000000) / 1000);
 341         log_text(logtext);
 342
 343 #if defined(__I386__) || defined(__POWERPC__)
 344         sprintf(logtext, "Time for running program: %lld secs, %lld millis",
 345 #else
 346         sprintf(logtext, "Time for running program: %ld secs, %ld millis",
 347 #endif
 348                         runtime / 1000000, (runtime % 1000000) / 1000);
 349         log_text(logtext);
 350
 351 #if defined(__I386__) || defined(__POWERPC__)
 352         sprintf(logtext, "Total time: %lld secs, %lld millis",
 353 #else
 354         sprintf(logtext, "Total time: %ld secs, %ld millis",
 355 #endif
 356                         totaltime / 1000000, (totaltime % 1000000) / 1000);
 357         log_text(logtext);
 358 }
 359
 360
 361 /***************************** Function: print_stats *********************
 362
 363         outputs detailed compiler statistics
 364
 365 **************************************************************************/
 366
 367 static void print_stats()
 368 {
 369         char logtext[MAXLOGTEXT];
 370
 371         sprintf(logtext, "Number of JitCompiler Calls: %d", count_jit_calls);
 372         log_text(logtext);
 373         sprintf(logtext, "Number of compiled Methods: %d", count_methods);
 374         log_text(logtext);
 375         sprintf(logtext, "Number of max basic blocks per method: %d", count_max_basic_blocks);
 376         log_text(logtext);
 377         sprintf(logtext, "Number of compiled basic blocks: %d", count_basic_blocks);
 378         log_text(logtext);
 379         sprintf(logtext, "Number of max JavaVM-Instructions per method: %d", count_max_javainstr);
 380         log_text(logtext);
 381         sprintf(logtext, "Number of compiled JavaVM-Instructions: %d", count_javainstr);
 382         log_text(logtext);
 383         sprintf(logtext, "Size of compiled JavaVM-Instructions:   %d(%d)", count_javacodesize,
 384                         count_javacodesize - count_methods * 18);
 385         log_text(logtext);
 386         sprintf(logtext, "Size of compiled Exception Tables:      %d", count_javaexcsize);
 387         log_text(logtext);
 388         sprintf(logtext, "Value of extended instruction set var:  %d", has_ext_instr_set);
 389         log_text(logtext);
 390         sprintf(logtext, "Number of Machine-Instructions: %d", count_code_len >> 2);
 391         log_text(logtext);
 392         sprintf(logtext, "Number of Spills: %d", count_spills);
 393         log_text(logtext);
 394         sprintf(logtext, "Number of Activ    Pseudocommands: %5d", count_pcmd_activ);
 395         log_text(logtext);
 396         sprintf(logtext, "Number of Drop     Pseudocommands: %5d", count_pcmd_drop);
 397         log_text(logtext);
 398         sprintf(logtext, "Number of Const    Pseudocommands: %5d (zero:%5d)", count_pcmd_load, count_pcmd_zero);
 399         log_text(logtext);
 400         sprintf(logtext, "Number of ConstAlu Pseudocommands: %5d (cmp: %5d, store:%5d)", count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
 401         log_text(logtext);
 402         sprintf(logtext, "Number of Move     Pseudocommands: %5d", count_pcmd_move);
 403         log_text(logtext);
 404         sprintf(logtext, "Number of Load     Pseudocommands: %5d", count_load_instruction);
 405         log_text(logtext);
 406         sprintf(logtext, "Number of Store    Pseudocommands: %5d (combined: %5d)", count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
 407         log_text(logtext);
 408         sprintf(logtext, "Number of OP       Pseudocommands: %5d", count_pcmd_op);
 409         log_text(logtext);
 410         sprintf(logtext, "Number of DUP      Pseudocommands: %5d", count_dup_instruction);
 411         log_text(logtext);
 412         sprintf(logtext, "Number of Mem      Pseudocommands: %5d", count_pcmd_mem);
 413         log_text(logtext);
 414         sprintf(logtext, "Number of Method   Pseudocommands: %5d", count_pcmd_met);
 415         log_text(logtext);
 416         sprintf(logtext, "Number of Branch   Pseudocommands: %5d (rets:%5d, Xrets: %5d)",
 417                         count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
 418         log_text(logtext);
 419         sprintf(logtext, "Number of Table    Pseudocommands: %5d", count_pcmd_table);
 420         log_text(logtext);
 421         sprintf(logtext, "Number of Useful   Pseudocommands: %5d", count_pcmd_table +
 422                         count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
 423         log_text(logtext);
 424         sprintf(logtext, "Number of Null Pointer Checks:     %5d", count_check_null);
 425         log_text(logtext);
 426         sprintf(logtext, "Number of Array Bound Checks:      %5d", count_check_bound);
 427         log_text(logtext);
 428         sprintf(logtext, "Number of Try-Blocks: %d", count_tryblocks);
 429         log_text(logtext);
 430         sprintf(logtext, "Maximal count of stack elements:   %d", count_max_new_stack);
 431         log_text(logtext);
 432         sprintf(logtext, "Upper bound of max stack elements: %d", count_upper_bound_new_stack);
 433         log_text(logtext);
 434         sprintf(logtext, "Distribution of stack sizes at block boundary");
 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_block_stack[0],
 439                         count_block_stack[1], count_block_stack[2], count_block_stack[3], count_block_stack[4],
 440                         count_block_stack[5], count_block_stack[6], count_block_stack[7], count_block_stack[8],
 441                         count_block_stack[9], count_block_stack[10]);
 442         log_text(logtext);
 443         sprintf(logtext, "Distribution of store stack depth");
 444         log_text(logtext);
 445         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9    >=10");
 446         log_text(logtext);
 447         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_depth[0],
 448                         count_store_depth[1], count_store_depth[2], count_store_depth[3], count_store_depth[4],
 449                         count_store_depth[5], count_store_depth[6], count_store_depth[7], count_store_depth[8],
 450                         count_store_depth[9], count_store_depth[10]);
 451         log_text(logtext);
 452         sprintf(logtext, "Distribution of store creator chains first part");
 453         log_text(logtext);
 454         sprintf(logtext, "    0    1    2    3    4    5    6    7    8    9  ");
 455         log_text(logtext);
 456         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[0],
 457                         count_store_length[1], count_store_length[2], count_store_length[3], count_store_length[4],
 458                         count_store_length[5], count_store_length[6], count_store_length[7], count_store_length[8],
 459                         count_store_length[9]);
 460         log_text(logtext);
 461         sprintf(logtext, "Distribution of store creator chains second part");
 462         log_text(logtext);
 463         sprintf(logtext, "   10   11   12   13   14   15   16   17   18   19  >=20");
 464         log_text(logtext);
 465         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_store_length[10],
 466                         count_store_length[11], count_store_length[12], count_store_length[13], count_store_length[14],
 467                         count_store_length[15], count_store_length[16], count_store_length[17], count_store_length[18],
 468                         count_store_length[19], count_store_length[20]);
 469         log_text(logtext);
 470         sprintf(logtext, "Distribution of analysis iterations");
 471         log_text(logtext);
 472         sprintf(logtext, "    1    2    3    4    >=5");
 473         log_text(logtext);
 474         sprintf(logtext, "%5d%5d%5d%5d%5d", count_analyse_iterations[0], count_analyse_iterations[1],
 475                         count_analyse_iterations[2], count_analyse_iterations[3], count_analyse_iterations[4]);
 476         log_text(logtext);
 477         sprintf(logtext, "Distribution of basic blocks per method");
 478         log_text(logtext);
 479         sprintf(logtext, " <= 5 <=10 <=15 <=20 <=30 <=40 <=50 <=75  >75");
 480         log_text(logtext);
 481         sprintf(logtext, "%5d%5d%5d%5d%5d%5d%5d%5d%5d", count_method_bb_distribution[0],
 482                         count_method_bb_distribution[1], count_method_bb_distribution[2], count_method_bb_distribution[3],
 483                         count_method_bb_distribution[4], count_method_bb_distribution[5], count_method_bb_distribution[6],
 484                         count_method_bb_distribution[7], count_method_bb_distribution[8]);
 485         log_text(logtext);
 486         sprintf(logtext, "Distribution of basic block sizes");
 487         log_text(logtext);
 488         sprintf(logtext,
 489                          "  0    1    2    3    4   5   6   7   8   9 <13 <15 <17 <19 <21 <26 <31 >30");
 490         log_text(logtext);
 491         sprintf(logtext, "%3d%5d%5d%5d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d%4d",
 492                         count_block_size_distribution[0], count_block_size_distribution[1], count_block_size_distribution[2],
 493                         count_block_size_distribution[3], count_block_size_distribution[4], count_block_size_distribution[5],
 494                         count_block_size_distribution[6], count_block_size_distribution[7], count_block_size_distribution[8],
 495                         count_block_size_distribution[9], count_block_size_distribution[10], count_block_size_distribution[11],
 496                         count_block_size_distribution[12], count_block_size_distribution[13], count_block_size_distribution[14],
 497                         count_block_size_distribution[15], count_block_size_distribution[16], count_block_size_distribution[17]);
 498         log_text(logtext);
 499         sprintf(logtext, "Size of Code Area (Kb):  %10.3f", (float) count_code_len / 1024);
 500         log_text(logtext);
 501         sprintf(logtext, "Size of data Area (Kb):  %10.3f", (float) count_data_len / 1024);
 502         log_text(logtext);
 503         sprintf(logtext, "Size of Class Infos (Kb):%10.3f", (float) (count_class_infos) / 1024);
 504         log_text(logtext);
 505         sprintf(logtext, "Size of Const Pool (Kb): %10.3f", (float) (count_const_pool_len + count_utf_len) / 1024);
 506         log_text(logtext);
 507         sprintf(logtext, "Size of Vftbl (Kb):      %10.3f", (float) count_vftbl_len / 1024);
 508         log_text(logtext);
 509         sprintf(logtext, "Size of comp stub (Kb):  %10.3f", (float) count_cstub_len / 1024);
 510         log_text(logtext);
 511         sprintf(logtext, "Size of native stub (Kb):%10.3f", (float) count_nstub_len / 1024);
 512         log_text(logtext);
 513         sprintf(logtext, "Size of Utf (Kb):        %10.3f", (float) count_utf_len / 1024);
 514         log_text(logtext);
 515         sprintf(logtext, "Size of VMCode (Kb):     %10.3f(%d)", (float) count_vmcode_len / 1024,
 516                         count_vmcode_len - 18 * count_all_methods);
 517         log_text(logtext);
 518         sprintf(logtext, "Size of ExTable (Kb):    %10.3f", (float) count_extable_len / 1024);
 519         log_text(logtext);
 520         sprintf(logtext, "Number of class loads:   %d", count_class_loads);
 521         log_text(logtext);
 522         sprintf(logtext, "Number of class inits:   %d", count_class_inits);
 523         log_text(logtext);
 524         sprintf(logtext, "Number of loaded Methods: %d\n\n", count_all_methods);
 525         log_text(logtext);
 526
 527         sprintf(logtext, "Calls of utf_new: %22d", count_utf_new);
 528         log_text(logtext);
 529         sprintf(logtext, "Calls of utf_new (element found): %6d\n\n", count_utf_new_found);
 530         log_text(logtext);
 531 }
 532
 533
 534 #ifdef TYPECHECK_STATISTICS
 535 void typecheck_print_statistics(FILE *file);
 536 #endif
 537
 538
 539 /*
 540  * void exit_handler(void)
 541  * -----------------------
 542  * The exit_handler function is called upon program termination to shutdown
 543  * the various subsystems and release the resources allocated to the VM.
 544  */
 545 void exit_handler(void)
 546 {
 547         /********************* Print debug tables ************************/
 548
 549         if (showmethods) class_showmethods(mainclass);
 550         if (showconstantpool) class_showconstantpool(mainclass);
 551         if (showutf) utf_show();
 552
 553 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 554         clear_thread_flags();           /* restores standard file descriptor
 555                                        flags */
 556 #endif
 557
 558         /************************ Free all resources *******************/
 559
 560         /*heap_close();*/               /* must be called before compiler_close and
 561                                        loader_close because finalization occurs
 562                                        here */
 563
 564         loader_close();
 565         tables_close(literalstring_free);
 566
 567         if (verbose || getcompilingtime || opt_stat) {
 568                 log_text("CACAO terminated");
 569                 if (opt_stat) {
 570                         print_stats();
 571 #ifdef TYPECHECK_STATISTICS
 572                         typecheck_print_statistics(get_logfile());
 573 #endif
 574                 }
 575                 if (getcompilingtime)
 576                         print_times();
 577                 mem_usagelog(1);
 578         }
 579 }
 580
 581
 582 /************************** Function: main *******************************
 583
 584    The main program.
 585
 586 **************************************************************************/
 587
 588 int main(int argc, char **argv)
 589 {
 590         s4 i, j;
 591         void *dummy;
 592
 593         /********** interne (nur fuer main relevante Optionen) **************/
 594
 595         char logfilename[200] = "";
 596         u4 heapmaxsize = 64 * 1024 * 1024;
 597         u4 heapstartsize = 200 * 1024;
 598         char *cp;
 599         char classpath[500] = ".";
 600         bool startit = true;
 601         char *specificmethodname = NULL;
 602         char *specificsignature = NULL;
 603
 604 #if defined(USE_THREADS) && !defined(NATIVE_THREADS)
 605         stackbottom = &dummy;
 606 #endif
 607
 608         if (0 != atexit(exit_handler))
 609                 throw_cacao_exception_exit(string_java_lang_InternalError,
 610                                                                    "unable to register exit_handler");
 611
 612
 613         /************ Collect info from the environment ************************/
 614
 615         cp = getenv("CLASSPATH");
 616         if (cp) {
 617                 strcpy(classpath, cp);
 618         }
 619
 620         /***************** Interpret the command line *****************/
 621
 622         checknull = false;
 623         opt_noieee = false;
 624
 625         while ((i = get_opt(argc, argv)) != OPT_DONE) {
 626                 switch (i) {
 627                 case OPT_IGNORE: break;
 628
 629                 case OPT_CLASSPATH:
 630                         strcpy(classpath + strlen(classpath), ":");
 631                         strcpy(classpath + strlen(classpath), opt_arg);
 632                         break;
 633
 634                 case OPT_D:
 635                         {
 636                                 int n;
 637                                 int l = strlen(opt_arg);
 638                                 for (n = 0; n < l; n++) {
 639                                         if (opt_arg[n] == '=') {
 640                                                 opt_arg[n] = '\0';
 641                                                 attach_property(opt_arg, opt_arg + n + 1);
 642                                                 goto didit;
 643                                         }
 644                                 }
 645                                 print_usage();
 646                                 exit(10);
 647
 648                         didit: ;
 649                         }
 650                         break;
 651
 652                 case OPT_MS:
 653                 case OPT_MX:
 654                         if (opt_arg[strlen(opt_arg) - 1] == 'k') {
 655                                 j = 1024 * atoi(opt_arg);
 656
 657                         } else if (opt_arg[strlen(opt_arg) - 1] == 'm') {
 658                                 j = 1024 * 1024 * atoi(opt_arg);
 659
 660                         } else j = atoi(opt_arg);
 661
 662                         if (i == OPT_MX) heapmaxsize = j;
 663                         else heapstartsize = j;
 664                         break;
 665
 666                 case OPT_VERBOSE1:
 667                         verbose = true;
 668                         break;
 669
 670                 case OPT_VERBOSE:
 671                         verbose = true;
 672                         loadverbose = true;
 673                         linkverbose = true;
 674                         initverbose = true;
 675                         compileverbose = true;
 676                         break;
 677
 678                 case OPT_VERBOSEEXCEPTION:
 679                         verboseexception = true;
 680                         break;
 681
 682                 case OPT_VERBOSEGC:
 683                         collectverbose = true;
 684                         break;
 685
 686 #ifdef TYPECHECK_VERBOSE
 687                 case OPT_VERBOSETC:
 688                         typecheckverbose = true;
 689                         break;
 690 #endif
 691
 692                 case OPT_VERBOSECALL:
 693                         runverbose = true;
 694                         break;
 695
 696                 case OPT_NOIEEE:
 697                         opt_noieee = true;
 698                         break;
 699
 700                 case OPT_NOVERIFY:
 701                         opt_verify = false;
 702                         break;
 703
 704                 case OPT_LIBERALUTF:
 705                         opt_liberalutf = true;
 706                         break;
 707
 708                 case OPT_SOFTNULL:
 709                         checknull = true;
 710                         break;
 711
 712                 case OPT_TIME:
 713                         getcompilingtime = true;
 714                         getloadingtime = true;
 715                         break;
 716
 717                 case OPT_STAT:
 718                         opt_stat = true;
 719                         break;
 720
 721                 case OPT_LOG:
 722                         strcpy(logfilename, opt_arg);
 723                         break;
 724
 725                 case OPT_CHECK:
 726                         for (j = 0; j < strlen(opt_arg); j++) {
 727                                 switch (opt_arg[j]) {
 728                                 case 'b':
 729                                         checkbounds = false;
 730                                         break;
 731                                 case 's':
 732                                         checksync = false;
 733                                         break;
 734                                 default:
 735                                         print_usage();
 736                                         exit(10);
 737                                 }
 738                         }
 739                         break;
 740
 741                 case OPT_LOAD:
 742                         startit = false;
 743                         makeinitializations = false;
 744                         break;
 745
 746                 case OPT_EAGER:
 747                         opt_eager = true;
 748                         break;
 749
 750                 case OPT_METHOD:
 751                         startit = false;
 752                         specificmethodname = opt_arg;
 753                         makeinitializations = false;
 754                         break;
 755
 756                 case OPT_SIGNATURE:
 757                         specificsignature = opt_arg;
 758                         break;
 759
 760                 case OPT_ALL:
 761                         compileall = true;
 762                         startit = false;
 763                         makeinitializations = false;
 764                         break;
 765
 766                 case OPT_SHOW:       /* Display options */
 767                         for (j = 0; j < strlen(opt_arg); j++) {
 768                                 switch (opt_arg[j]) {
 769                                 case 'a':
 770                                         showdisassemble = true;
 771                                         compileverbose=true;
 772                                         break;
 773                                 case 'c':
 774                                         showconstantpool = true;
 775                                         break;
 776                                 case 'd':
 777                                         showddatasegment = true;
 778                                         break;
 779                                 case 'i':
 780                                         showintermediate = true;
 781                                         compileverbose = true;
 782                                         break;
 783                                 case 'm':
 784                                         showmethods = true;
 785                                         break;
 786                                 case 'u':
 787                                         showutf = true;
 788                                         break;
 789                                 default:
 790                                         print_usage();
 791                                         exit(10);
 792                                 }
 793                         }
 794                         break;
 795
 796                 case OPT_OLOOP:
 797                         opt_loops = true;
 798                         break;
 799
 800                 case OPT_INLINING:
 801                         for (j = 0; j < strlen(opt_arg); j++) {
 802                                 switch (opt_arg[j]) {
 803                                 case 'n':
 804                                         useinlining = true;
 805                                         break;
 806                                 case 'v':
 807                                         inlinevirtuals = true;
 808                                         break;
 809                                 case 'e':
 810                                         inlineexceptions = true;
 811                                         break;
 812                                 case 'p':
 813                                         inlineparamopt = true;
 814                                         break;
 815                                 case 'o':
 816                                         inlineoutsiders = true;
 817                                         break;
 818                                 default:
 819                                         print_usage();
 820                                         exit(10);
 821                                 }
 822                         }
 823                         break;
 824
 825                 case OPT_RT:
 826                         opt_rt = true;
 827                         break;
 828
 829                 case OPT_XTA:
 830                         opt_xta = false; /**not yet **/
 831                         break;
 832
 833                 case OPT_VTA:
 834                         /***opt_vta = true; not yet **/
 835                         break;
 836
 837                 default:
 838                         print_usage();
 839                         exit(10);
 840                 }
 841         }
 842
 843
 844         if (opt_ind >= argc) {
 845                 print_usage();
 846                 exit(10);
 847         }
 848
 849         mainstring = argv[opt_ind++];
 850         for (i = strlen(mainstring) - 1; i >= 0; i--) {     /* Transform dots into slashes */
 851                 if (mainstring[i] == '.') mainstring[i] = '/';  /* in the class name */
 852         }
 853
 854
 855         /**************************** Program start *****************************/
 856         log_init(logfilename);
 857         if (verbose) {
 858                 log_text("CACAO started -------------------------------------------------------");
 859         }
 860
 861         /* initialize the garbage collector */
 862         gc_init(heapmaxsize, heapstartsize);
 863
 864         native_setclasspath(classpath);
 865
 866         tables_init();
 867         suck_init(classpath);
 868
 869 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
 870         initThreadsEarly();
 871 #endif
 872
 873         loader_init((u1 *) &dummy);
 874
 875         native_loadclasses();
 876
 877         jit_init();
 878
 879 #if defined(USE_THREADS)
 880         initThreads((u1*) &dummy);
 881 #endif
 882
 883
 884         /************************* Start worker routines ********************/
 885
 886         if (startit) {
 887                 methodinfo *mainmethod;
 888                 java_objectarray *a;
 889
 890                 /* create, load and link the main class */
 891                 mainclass = class_new(utf_new_char(mainstring));
 892
 893                 if (!class_load(mainclass))
 894                         throw_exception_exit();
 895
 896                 if (!class_link(mainclass))
 897                         throw_exception_exit();
 898
 899                 mainmethod = class_resolveclassmethod(mainclass,
 900                                                                                           utf_new_char("main"),
 901                                                                                           utf_new_char("([Ljava/lang/String;)V"),
 902                                                                                           mainclass,
 903                                                                                           false);
 904
 905                 /* problems with main method? */
 906 /*              if (*exceptionptr) */
 907 /*                      throw_exception_exit(); */
 908
 909                 /* there is no main method or it isn't static */
 910                 if (!mainmethod || !(mainmethod->flags & ACC_STATIC)) {
 911                         *exceptionptr =
 912                                 new_exception_message(string_java_lang_NoSuchMethodError,
 913                                                                           "main");
 914                         throw_exception_exit();
 915                 }
 916
 917                 a = builtin_anewarray(argc - opt_ind, class_java_lang_String);
 918                 for (i = opt_ind; i < argc; i++) {
 919                         a->data[i - opt_ind] =
 920                                 (java_objectheader *) javastring_new(utf_new_char(argv[i]));
 921                 }
 922
 923 #ifdef TYPEINFO_DEBUG_TEST
 924                 /* test the typeinfo system */
 925                 typeinfo_test();
 926 #endif
 927                 /*class_showmethods(currentThread->group->header.vftbl->class); */
 928
 929                 *threadrootmethod = mainmethod;
 930
 931                 /* here we go... */
 932                 asm_calljavafunction(mainmethod, a, NULL, NULL, NULL);
 933
 934                 /* exception occurred? */
 935                 if (*exceptionptr)
 936                         throw_exception_exit();
 937
 938 #if defined(USE_THREADS)
 939 #if defined(NATIVE_THREADS)
 940                 joinAllThreads();
 941 #else
 942                 killThread(currentThread);
 943                 fprintf(stderr, "still here\n");
 944 #endif
 945 #endif
 946                 exit(0);
 947         }
 948
 949         /************* If requested, compile all methods ********************/
 950
 951         if (compileall) {
 952                 classinfo *c;
 953                 methodinfo *m;
 954                 u4 slot;
 955                 s4 i;
 956
 957                 /* create all classes found in the classpath */
 958                 /* XXX currently only works with zip/jar's */
 959                 create_all_classes();
 960
 961                 /* load and link all classes */
 962                 for (slot = 0; slot < class_hash.size; slot++) {
 963                         c = class_hash.ptr[slot];
 964
 965                         while (c) {
 966                                 if (!c->loaded)
 967                                         class_load(c);
 968
 969                                 if (!c->linked)
 970                                         class_link(c);
 971
 972                                 /* compile all class methods */
 973                                 for (i = 0; i < c->methodscount; i++) {
 974                                         m = &(c->methods[i]);
 975                                         if (m->jcode) {
 976                                                 (void) jit_compile(m);
 977                                         }
 978                                 }
 979
 980                                 c = c->hashlink;
 981                         }
 982                 }
 983         }
 984
 985
 986         /******** If requested, compile a specific method ***************/
 987
 988         if (specificmethodname) {
 989                 methodinfo *m;
 990
 991                 /* create, load and link the main class */
 992                 mainclass = class_new(utf_new_char(mainstring));
 993                 class_load(mainclass);
 994
 995                 if (*exceptionptr)
 996                         throw_exception_exit();
 997
 998                 class_link(mainclass);
 999
1000                 if (*exceptionptr)
1001                         throw_exception_exit();
1002
1003                 if (specificsignature) {
1004                         m = class_resolveclassmethod(mainclass,
1005                                                                                  utf_new_char(specificmethodname),
1006                                                                                  utf_new_char(specificsignature),
1007                                                                                  mainclass,
1008                                                                                  false);
1009                 } else {
1010                         m = class_resolveclassmethod(mainclass,
1011                                                                                  utf_new_char(specificmethodname),
1012                                                                                  NULL,
1013                                                                                  mainclass,
1014                                                                                  false);
1015                 }
1016
1017                 if (!m) {
1018                         char message[MAXLOGTEXT];
1019                         sprintf(message, "%s%s", specificmethodname,
1020                                         specificmethodname ? specificmethodname : "");
1021
1022                         *exceptionptr =
1023                                 new_exception_message(string_java_lang_NoSuchMethodException,
1024                                                                           message);
1025
1026                         throw_exception_exit();
1027                 }
1028
1029                 jit_compile(m);
1030         }
1031
1032         exit(0);
1033 }
1034
1035
1036
1037 /*************************** Shutdown function *********************************
1038
1039         Terminates the system immediately without freeing memory explicitly (to be
1040         used only for abnormal termination)
1041
1042 *******************************************************************************/
1043
1044 void cacao_shutdown(s4 status)
1045 {
1046         /**** RTAprint ***/
1047
1048         if (verbose || getcompilingtime || opt_stat) {
1049                 log_text ("CACAO terminated by shutdown");
1050                 if (opt_stat)
1051                         print_stats();
1052                 if (getcompilingtime)
1053                         print_times();
1054                 mem_usagelog(0);
1055                 dolog("Exit status: %d\n", (int) status);
1056         }
1057
1058         exit(status);
1059 }
1060
1061
1062 /*
1063  * These are local overrides for various environment variables in Emacs.
1064  * Please do not remove this and leave it at the end of the file, where
1065  * Emacs will automagically detect them.
1066  * ---------------------------------------------------------------------
1067  * Local variables:
1068  * mode: c
1069  * indent-tabs-mode: t
1070  * c-basic-offset: 4
1071  * tab-width: 4
1072  * End:
1073  */