src/vm/vm.c

   1 /* src/vm/vm.c - VM startup and shutdown functions
   2
   3    Copyright (C) 1996-2005, 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <assert.h>
  29 #include <errno.h>
  30 #include <stdint.h>
  31 #include <stdlib.h>
  32
  33 #include "vm/types.h"
  34
  35 #include "arch.h"
  36 #include "md-abi.h"
  37
  38 #include "vm/jit/abi-asm.h"
  39
  40 #include "mm/codememory.h"
  41 #include "mm/gc-common.h"
  42 #include "mm/memory.h"
  43
  44 #include "native/jni.h"
  45 #include "native/llni.h"
  46 #include "native/localref.h"
  47 #include "native/native.h"
  48
  49 #include "native/include/java_lang_Object.h"             /* required by j.l.C */
  50 #include "native/include/java_lang_String.h"             /* required by j.l.C */
  51
  52 #if defined(WITH_CLASSPATH_SUN)
  53 # include "native/include/java_nio_ByteBuffer.h"        /* required by j.l.CL */
  54 # include "native/include/java_lang_ClassLoader.h"       /* required by j.l.C */
  55 #endif
  56
  57 #include "native/include/java_lang_Class.h"
  58
  59 #include "native/vm/nativevm.h"
  60
  61 #include "threads/lock-common.h"
  62 #include "threads/mutex.h"
  63 #include "threads/threadlist.h"
  64 #include "threads/thread.h"
  65
  66 #include "toolbox/logging.h"
  67
  68 #include "vm/array.h"
  69
  70 #if defined(ENABLE_ASSERTION)
  71 #include "vm/assertion.h"
  72 #endif
  73
  74 #include "vm/builtin.h"
  75 #include "vm/exceptions.h"
  76 #include "vm/finalizer.h"
  77 #include "vm/global.h"
  78 #include "vm/initialize.h"
  79 #include "vm/package.h"
  80 #include "vm/primitive.h"
  81 #include "vm/properties.h"
  82 #include "vm/signallocal.h"
  83 #include "vm/stringlocal.h"
  84 #include "vm/vm.h"
  85
  86 #include "vm/jit/argument.h"
  87 #include "vm/jit/asmpart.h"
  88 #include "vm/jit/code.h"
  89
  90 #if defined(ENABLE_DISASSEMBLER)
  91 # include "vm/jit/disass.h"
  92 #endif
  93
  94 #include "vm/jit/jit.h"
  95 #include "vm/jit/methodtree.h"
  96
  97 #if defined(ENABLE_PROFILING)
  98 # include "vm/jit/optimizing/profile.h"
  99 #endif
 100
 101 #include "vm/jit/optimizing/recompile.h"
 102
 103 #if defined(ENABLE_PYTHON)
 104 # include "vm/jit/python.h"
 105 #endif
 106
 107 #include "vm/jit/trap.h"
 108
 109 #include "vmcore/classcache.h"
 110 #include "vmcore/options.h"
 111 #include "vmcore/statistics.h"
 112 #include "vmcore/suck.h"
 113 #include "vmcore/system.h"
 114
 115 #if defined(ENABLE_JVMTI)
 116 # include "native/jvmti/cacaodbg.h"
 117 #endif
 118
 119 #if defined(ENABLE_VMLOG)
 120 #include <vmlog_cacao.h>
 121 #endif
 122
 123
 124 /* Invocation API variables ***************************************************/
 125
 126 _Jv_JavaVM *_Jv_jvm;                    /* denotes a Java VM                  */
 127 _Jv_JNIEnv *_Jv_env;                    /* pointer to native method interface */
 128
 129
 130 /* global variables ***********************************************************/
 131
 132 s4 vms = 0;                             /* number of VMs created              */
 133
 134 bool vm_initializing = false;
 135 bool vm_created      = false;
 136 bool vm_exiting      = false;
 137
 138 static classinfo *mainclass = NULL;
 139
 140 #if defined(ENABLE_INTRP)
 141 u1 *intrp_main_stack = NULL;
 142 #endif
 143
 144
 145 /* define heap sizes **********************************************************/
 146
 147 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
 148 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
 149 #define STACK_SIZE               128 * 1024 /* default 64kB                   */
 150
 151
 152 /* define command line options ************************************************/
 153
 154 enum {
 155         OPT_FOO,
 156
 157         /* Java options */
 158
 159         OPT_JAR,
 160
 161         OPT_D32,
 162         OPT_D64,
 163
 164         OPT_CLASSPATH,
 165         OPT_D,
 166
 167         OPT_VERBOSE,
 168
 169         OPT_VERSION,
 170         OPT_SHOWVERSION,
 171         OPT_FULLVERSION,
 172
 173         OPT_HELP,
 174         OPT_X,
 175         OPT_XX,
 176
 177         OPT_EA,
 178         OPT_DA,
 179         OPT_EA_NOARG,
 180         OPT_DA_NOARG,
 181
 182
 183         OPT_ESA,
 184         OPT_DSA,
 185
 186         /* Java non-standard options */
 187
 188         OPT_JIT,
 189         OPT_INTRP,
 190
 191         OPT_BOOTCLASSPATH,
 192         OPT_BOOTCLASSPATH_A,
 193         OPT_BOOTCLASSPATH_P,
 194
 195         OPT_BOOTCLASSPATH_C,
 196
 197 #if defined(ENABLE_PROFILING)
 198         OPT_PROF,
 199         OPT_PROF_OPTION,
 200 #endif
 201
 202         OPT_MS,
 203         OPT_MX,
 204
 205         /* CACAO options */
 206
 207         OPT_VERBOSE1,
 208         OPT_NOIEEE,
 209
 210 #if defined(ENABLE_STATISTICS)
 211         OPT_TIME,
 212         OPT_STAT,
 213 #endif
 214
 215         OPT_LOG,
 216         OPT_CHECK,
 217         OPT_LOAD,
 218         OPT_SHOW,
 219         OPT_DEBUGCOLOR,
 220
 221 #if !defined(NDEBUG)
 222         OPT_ALL,
 223         OPT_METHOD,
 224         OPT_SIGNATURE,
 225 #endif
 226
 227 #if defined(ENABLE_VERIFIER)
 228         OPT_NOVERIFY,
 229 #if defined(TYPECHECK_VERBOSE)
 230         OPT_VERBOSETC,
 231 #endif
 232 #endif /* defined(ENABLE_VERIFIER) */
 233
 234         /* optimization options */
 235
 236 #if defined(ENABLE_LOOP)
 237         OPT_OLOOP,
 238 #endif
 239
 240 #if defined(ENABLE_IFCONV)
 241         OPT_IFCONV,
 242 #endif
 243
 244 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 245         OPT_LSRA,
 246 #endif
 247
 248 #if defined(ENABLE_INTRP)
 249         /* interpreter options */
 250
 251         OPT_NO_DYNAMIC,
 252         OPT_NO_REPLICATION,
 253         OPT_NO_QUICKSUPER,
 254         OPT_STATIC_SUPERS,
 255         OPT_TRACE,
 256 #endif
 257
 258         OPT_SS,
 259
 260 #ifdef ENABLE_JVMTI
 261         OPT_DEBUG,
 262         OPT_XRUNJDWP,
 263         OPT_NOAGENT,
 264         OPT_AGENTLIB,
 265         OPT_AGENTPATH,
 266 #endif
 267
 268 #if defined(ENABLE_DEBUG_FILTER)
 269         OPT_FILTER_VERBOSECALL_INCLUDE,
 270         OPT_FILTER_VERBOSECALL_EXCLUDE,
 271         OPT_FILTER_SHOW_METHOD,
 272 #endif
 273
 274         DUMMY
 275 };
 276
 277
 278 opt_struct opts[] = {
 279         { "foo",               false, OPT_FOO },
 280
 281         /* Java options */
 282
 283         { "jar",               false, OPT_JAR },
 284
 285         { "d32",               false, OPT_D32 },
 286         { "d64",               false, OPT_D64 },
 287         { "client",            false, OPT_IGNORE },
 288         { "server",            false, OPT_IGNORE },
 289         { "jvm",               false, OPT_IGNORE },
 290         { "hotspot",           false, OPT_IGNORE },
 291
 292         { "classpath",         true,  OPT_CLASSPATH },
 293         { "cp",                true,  OPT_CLASSPATH },
 294         { "D",                 true,  OPT_D },
 295         { "version",           false, OPT_VERSION },
 296         { "showversion",       false, OPT_SHOWVERSION },
 297         { "fullversion",       false, OPT_FULLVERSION },
 298         { "help",              false, OPT_HELP },
 299         { "?",                 false, OPT_HELP },
 300         { "X",                 false, OPT_X },
 301         { "XX:",               true,  OPT_XX },
 302
 303         { "ea:",               true,  OPT_EA },
 304         { "da:",               true,  OPT_DA },
 305         { "ea",                false, OPT_EA_NOARG },
 306         { "da",                false, OPT_DA_NOARG },
 307
 308         { "enableassertions:",  true,  OPT_EA },
 309         { "disableassertions:", true,  OPT_DA },
 310         { "enableassertions",   false, OPT_EA_NOARG },
 311         { "disableassertions",  false, OPT_DA_NOARG },
 312
 313         { "esa",                     false, OPT_ESA },
 314         { "enablesystemassertions",  false, OPT_ESA },
 315         { "dsa",                     false, OPT_DSA },
 316         { "disablesystemassertions", false, OPT_DSA },
 317
 318         { "noasyncgc",         false, OPT_IGNORE },
 319 #if defined(ENABLE_VERIFIER)
 320         { "noverify",          false, OPT_NOVERIFY },
 321         { "Xverify:none",      false, OPT_NOVERIFY },
 322 #endif
 323         { "v",                 false, OPT_VERBOSE1 },
 324         { "verbose:",          true,  OPT_VERBOSE },
 325
 326 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
 327         { "verbosetc",         false, OPT_VERBOSETC },
 328 #endif
 329 #if defined(__ALPHA__)
 330         { "noieee",            false, OPT_NOIEEE },
 331 #endif
 332 #if defined(ENABLE_STATISTICS)
 333         { "time",              false, OPT_TIME },
 334         { "stat",              false, OPT_STAT },
 335 #endif
 336         { "log",               true,  OPT_LOG },
 337         { "c",                 true,  OPT_CHECK },
 338         { "l",                 false, OPT_LOAD },
 339
 340 #if !defined(NDEBUG)
 341         { "all",               false, OPT_ALL },
 342         { "sig",               true,  OPT_SIGNATURE },
 343 #endif
 344
 345 #if defined(ENABLE_LOOP)
 346         { "oloop",             false, OPT_OLOOP },
 347 #endif
 348 #if defined(ENABLE_IFCONV)
 349         { "ifconv",            false, OPT_IFCONV },
 350 #endif
 351 #if defined(ENABLE_LSRA)
 352         { "lsra",              false, OPT_LSRA },
 353 #endif
 354 #if  defined(ENABLE_SSA)
 355         { "lsra",              true, OPT_LSRA },
 356 #endif
 357
 358 #if defined(ENABLE_INTRP)
 359         /* interpreter options */
 360
 361         { "trace",             false, OPT_TRACE },
 362         { "static-supers",     true,  OPT_STATIC_SUPERS },
 363         { "no-dynamic",        false, OPT_NO_DYNAMIC },
 364         { "no-replication",    false, OPT_NO_REPLICATION },
 365         { "no-quicksuper",     false, OPT_NO_QUICKSUPER },
 366 #endif
 367
 368         /* JVMTI Agent Command Line Options */
 369 #ifdef ENABLE_JVMTI
 370         { "agentlib:",         true,  OPT_AGENTLIB },
 371         { "agentpath:",        true,  OPT_AGENTPATH },
 372 #endif
 373
 374         /* Java non-standard options */
 375
 376         { "Xjit",              false, OPT_JIT },
 377         { "Xint",              false, OPT_INTRP },
 378         { "Xbootclasspath:",   true,  OPT_BOOTCLASSPATH },
 379         { "Xbootclasspath/a:", true,  OPT_BOOTCLASSPATH_A },
 380         { "Xbootclasspath/p:", true,  OPT_BOOTCLASSPATH_P },
 381         { "Xbootclasspath/c:", true,  OPT_BOOTCLASSPATH_C },
 382
 383 #ifdef ENABLE_JVMTI
 384         { "Xdebug",            false, OPT_DEBUG },
 385         { "Xnoagent",          false, OPT_NOAGENT },
 386         { "Xrunjdwp",          true,  OPT_XRUNJDWP },
 387 #endif
 388
 389         { "Xms",               true,  OPT_MS },
 390         { "ms",                true,  OPT_MS },
 391         { "Xmx",               true,  OPT_MX },
 392         { "mx",                true,  OPT_MX },
 393         { "Xss",               true,  OPT_SS },
 394         { "ss",                true,  OPT_SS },
 395
 396 #if defined(ENABLE_PROFILING)
 397         { "Xprof:",            true,  OPT_PROF_OPTION },
 398         { "Xprof",             false, OPT_PROF },
 399 #endif
 400
 401         /* keep these at the end of the list */
 402
 403 #if !defined(NDEBUG)
 404         { "m",                 true,  OPT_METHOD },
 405 #endif
 406
 407         { "s",                 true,  OPT_SHOW },
 408         { "debug-color",      false,  OPT_DEBUGCOLOR },
 409
 410 #if defined(ENABLE_DEBUG_FILTER)
 411         { "XXfi",              true,  OPT_FILTER_VERBOSECALL_INCLUDE },
 412         { "XXfx",              true,  OPT_FILTER_VERBOSECALL_EXCLUDE },
 413         { "XXfm",              true,  OPT_FILTER_SHOW_METHOD },
 414 #endif
 415
 416         { NULL,                false, 0 }
 417 };
 418
 419
 420 /* usage ***********************************************************************
 421
 422    Prints the correct usage syntax to stdout.
 423
 424 *******************************************************************************/
 425
 426 void usage(void)
 427 {
 428         puts("Usage: cacao [-options] classname [arguments]");
 429         puts("               (to run a class file)");
 430         puts("   or  cacao [-options] -jar jarfile [arguments]");
 431         puts("               (to run a standalone jar file)\n");
 432
 433         puts("where options include:");
 434         puts("    -d32                     use 32-bit data model if available");
 435         puts("    -d64                     use 64-bit data model if available");
 436         puts("    -client                  compatibility (currently ignored)");
 437         puts("    -server                  compatibility (currently ignored)");
 438         puts("    -jvm                     compatibility (currently ignored)");
 439         puts("    -hotspot                 compatibility (currently ignored)\n");
 440
 441         puts("    -cp <path>               specify a path to look for classes");
 442         puts("    -classpath <path>        specify a path to look for classes");
 443         puts("    -D<name>=<value>         add an entry to the property list");
 444         puts("    -verbose[:class|gc|jni]  enable specific verbose output");
 445         puts("    -version                 print product version and exit");
 446         puts("    -fullversion             print jpackage-compatible product version and exit");
 447         puts("    -showversion             print product version and continue");
 448         puts("    -help, -?                print this help message");
 449         puts("    -X                       print help on non-standard Java options");
 450         puts("    -XX                      print help on debugging options");
 451     puts("    -ea[:<packagename>...|:<classname>]");
 452     puts("    -enableassertions[:<packagename>...|:<classname>]");
 453         puts("                             enable assertions with specified granularity");
 454         puts("    -da[:<packagename>...|:<classname>]");
 455         puts("    -disableassertions[:<packagename>...|:<classname>]");
 456         puts("                             disable assertions with specified granularity");
 457         puts("    -esa | -enablesystemassertions");
 458         puts("                             enable system assertions");
 459         puts("    -dsa | -disablesystemassertions");
 460         puts("                             disable system assertions");
 461
 462 #ifdef ENABLE_JVMTI
 463         puts("    -agentlib:<agent-lib-name>=<options>  library to load containg JVMTI agent");
 464         puts ("                                         for jdwp help use: -agentlib:jdwp=help");
 465         puts("    -agentpath:<path-to-agent>=<options>  path to library containg JVMTI agent");
 466 #endif
 467
 468         /* exit with error code */
 469
 470         exit(1);
 471 }
 472
 473
 474 static void Xusage(void)
 475 {
 476 #if defined(ENABLE_JIT)
 477         puts("    -Xjit                    JIT mode execution (default)");
 478 #endif
 479 #if defined(ENABLE_INTRP)
 480         puts("    -Xint                    interpreter mode execution");
 481 #endif
 482         puts("    -Xbootclasspath:<zip/jar files and directories separated by :>");
 483     puts("                             value is set as bootstrap class path");
 484         puts("    -Xbootclasspath/a:<zip/jar files and directories separated by :>");
 485         puts("                             value is appended to the bootstrap class path");
 486         puts("    -Xbootclasspath/p:<zip/jar files and directories separated by :>");
 487         puts("                             value is prepended to the bootstrap class path");
 488         puts("    -Xbootclasspath/c:<zip/jar files and directories separated by :>");
 489         puts("                             value is used as Java core library, but the");
 490         puts("                             hardcoded VM interface classes are prepended");
 491         printf("    -Xms<size>               set the initial size of the heap (default: %dMB)\n", HEAP_STARTSIZE / 1024 / 1024);
 492         printf("    -Xmx<size>               set the maximum size of the heap (default: %dMB)\n", HEAP_MAXSIZE / 1024 / 1024);
 493         printf("    -Xss<size>               set the thread stack size (default: %dkB)\n", STACK_SIZE / 1024);
 494
 495 #if defined(ENABLE_PROFILING)
 496         puts("    -Xprof[:bb]              collect and print profiling data");
 497 #endif
 498
 499 #if defined(ENABLE_JVMTI)
 500     /* -Xdebug option depend on gnu classpath JDWP options. options:
 501          transport=dt_socket,address=<hostname:port>,server=(y|n),suspend(y|n) */
 502         puts("    -Xdebug                  enable remote debugging\n");
 503         puts("    -Xrunjdwp transport=[dt_socket|...],address=<hostname:port>,server=[y|n],suspend=[y|n]\n");
 504         puts("                             enable remote debugging\n");
 505 #endif
 506
 507         /* exit with error code */
 508
 509         exit(1);
 510 }
 511
 512
 513 #if 0
 514 static void XXusage(void)
 515 {
 516         puts("    -v                       write state-information");
 517 #if !defined(NDEBUG)
 518         puts("    -verbose:jit             enable specific verbose output");
 519         puts("    -debug-color             colored output for ANSI terms");
 520 #endif
 521 #ifdef TYPECHECK_VERBOSE
 522         puts("    -verbosetc               write debug messages while typechecking");
 523 #endif
 524 #if defined(__ALPHA__)
 525         puts("    -noieee                  don't use ieee compliant arithmetic");
 526 #endif
 527 #if defined(ENABLE_VERIFIER)
 528         puts("    -noverify                don't verify classfiles");
 529 #endif
 530 #if defined(ENABLE_STATISTICS)
 531         puts("    -time                    measure the runtime");
 532         puts("    -stat                    detailed compiler statistics");
 533 #endif
 534         puts("    -log logfile             specify a name for the logfile");
 535         puts("    -c(heck)b(ounds)         don't check array bounds");
 536         puts("            s(ync)           don't check for synchronization");
 537 #if defined(ENABLE_LOOP)
 538         puts("    -oloop                   optimize array accesses in loops");
 539 #endif
 540         puts("    -l                       don't start the class after loading");
 541 #if !defined(NDEBUG)
 542         puts("    -all                     compile all methods, no execution");
 543         puts("    -m                       compile only a specific method");
 544         puts("    -sig                     specify signature for a specific method");
 545 #endif
 546
 547         puts("    -s...                    show...");
 548         puts("      (c)onstants            the constant pool");
 549         puts("      (m)ethods              class fields and methods");
 550         puts("      (u)tf                  the utf - hash");
 551         puts("      (i)ntermediate         intermediate representation");
 552 #if defined(ENABLE_DISASSEMBLER)
 553         puts("      (a)ssembler            disassembled listing");
 554         puts("      n(o)ps                 show NOPs in disassembler output");
 555 #endif
 556         puts("      (d)atasegment          data segment listing");
 557
 558 #if defined(ENABLE_IFCONV)
 559         puts("    -ifconv                  use if-conversion");
 560 #endif
 561 #if defined(ENABLE_LSRA)
 562         puts("    -lsra                    use linear scan register allocation");
 563 #endif
 564 #if defined(ENABLE_SSA)
 565         puts("    -lsra:...                use linear scan register allocation (with SSA)");
 566         puts("       (d)ead code elimination");
 567         puts("       (c)opy propagation");
 568 #endif
 569 #if defined(ENABLE_DEBUG_FILTER)
 570         puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
 571         puts("    -XXfx <regex>            end of dynamic scope for verbosecall filter");
 572         puts("    -XXfm <regex>            filter for show options");
 573 #endif
 574         /* exit with error code */
 575
 576         exit(1);
 577 }
 578 #endif
 579
 580
 581 /* version *********************************************************************
 582
 583    Only prints cacao version information.
 584
 585 *******************************************************************************/
 586
 587 static void version(bool opt_exit)
 588 {
 589         puts("java version \""JAVA_VERSION"\"");
 590         puts("CACAO version "VERSION"\n");
 591
 592         puts("Copyright (C) 1996-2005, 2006, 2007, 2008");
 593         puts("CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO");
 594         puts("This is free software; see the source for copying conditions.  There is NO");
 595         puts("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.");
 596
 597         /* exit normally, if requested */
 598
 599         if (opt_exit)
 600                 exit(0);
 601 }
 602
 603
 604 /* fullversion *****************************************************************
 605
 606    Prints a Sun compatible version information (required e.g. by
 607    jpackage, www.jpackage.org).
 608
 609 *******************************************************************************/
 610
 611 static void fullversion(void)
 612 {
 613         puts("java full version \"cacao-"JAVA_VERSION"\"");
 614
 615         /* exit normally */
 616
 617         exit(0);
 618 }
 619
 620
 621 static void vm_printconfig(void)
 622 {
 623         puts("Configure/Build options:\n");
 624         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
 625 #if defined(__VERSION__)
 626         puts("  CC         : "VERSION_CC" ("__VERSION__")");
 627 #else
 628         puts("  CC         : "VERSION_CC"");
 629 #endif
 630         puts("  CFLAGS     : "VERSION_CFLAGS"\n");
 631
 632         puts("Default variables:\n");
 633         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
 634         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
 635         printf("  stack size                     : %d\n", STACK_SIZE);
 636
 637 #if defined(ENABLE_JRE_LAYOUT)
 638         /* When we're building with JRE-layout, the default paths are the
 639            same as the runtime paths. */
 640 #else
 641 # if defined(WITH_CLASSPATH_GNU)
 642         puts("  gnu.classpath.boot.library.path: "CLASSPATH_LIBDIR);
 643         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"CLASSPATH_CLASSES"");
 644 # elif defined(WITH_CLASSPATH_SUN)
 645         puts("  sun.boot.library.path          : "CLASSPATH_LIBDIR);
 646         puts("  java.boot.class.path           : "CLASSPATH_CLASSES);
 647 # endif
 648 #endif
 649
 650         puts("");
 651
 652         puts("Runtime variables:\n");
 653         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
 654         printf("  initial heap size              : %d\n", opt_heapstartsize);
 655         printf("  stack size                     : %d\n", opt_stacksize);
 656
 657 #if defined(WITH_CLASSPATH_GNU)
 658         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
 659 #elif defined(WITH_CLASSPATH_SUN)
 660         printf("  sun.boot.library.path          : %s\n", properties_get("sun.boot.library.path"));
 661 #endif
 662
 663         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
 664         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
 665 }
 666
 667
 668 /* forward declarations *******************************************************/
 669
 670 static char *vm_get_mainclass_from_jar(char *mainstring);
 671 #if !defined(NDEBUG)
 672 static void  vm_compile_all(void);
 673 static void  vm_compile_method(char* mainname);
 674 #endif
 675
 676
 677 /* vm_createjvm ****************************************************************
 678
 679    Implementation for JNI_CreateJavaVM.
 680
 681 *******************************************************************************/
 682
 683 bool vm_createjvm(JavaVM **p_vm, void **p_env, void *vm_args)
 684 {
 685         JavaVMInitArgs *_vm_args;
 686         _Jv_JNIEnv     *env;
 687         _Jv_JavaVM     *vm;
 688
 689         /* get the arguments for the new JVM */
 690
 691         _vm_args = (JavaVMInitArgs *) vm_args;
 692
 693         /* get the VM and Env tables (must be set before vm_create) */
 694
 695         env = NEW(_Jv_JNIEnv);
 696
 697 #if defined(ENABLE_JNI)
 698         env->env = &_Jv_JNINativeInterface;
 699 #endif
 700
 701         /* XXX Set the global variable.  Maybe we should do that differently. */
 702
 703         _Jv_env = env;
 704
 705         /* create and fill a JavaVM structure */
 706
 707         vm = NEW(_Jv_JavaVM);
 708
 709 #if defined(ENABLE_JNI)
 710         vm->functions = &_Jv_JNIInvokeInterface;
 711 #endif
 712
 713         /* XXX Set the global variable.  Maybe we should do that differently. */
 714         /* XXX JVMTI Agents needs a JavaVM  */
 715
 716         _Jv_jvm = vm;
 717
 718         /* actually create the JVM */
 719
 720         if (!vm_create(_vm_args))
 721                 goto error;
 722
 723         /* now return the values */
 724
 725         *p_vm  = (JavaVM *) vm;
 726         *p_env = (void *) env;
 727
 728         return true;
 729
 730  error:
 731         /* release allocated memory */
 732
 733         FREE(env, _Jv_JNIEnv);
 734         FREE(vm, _Jv_JavaVM);
 735
 736         return false;
 737 }
 738
 739
 740 /* vm_create *******************************************************************
 741
 742    Creates a JVM.  Called by vm_createjvm.
 743
 744 *******************************************************************************/
 745
 746 bool vm_create(JavaVMInitArgs *vm_args)
 747 {
 748         int   len;
 749         char *p;
 750         char *boot_class_path;
 751         char *class_path;
 752         int   opt;
 753         int   i, j;
 754         bool  opt_version;
 755         bool  opt_exit;
 756
 757 #if defined(ENABLE_JVMTI)
 758         lt_dlhandle  handle;
 759         char *libname, *agentarg;
 760         bool jdwp,agentbypath;
 761         jdwp = agentbypath = false;
 762 #endif
 763
 764 #if defined(ENABLE_JNI)
 765         /* Check the JNI version requested. */
 766
 767         if (!jni_version_check(vm_args->version))
 768                 return false;
 769 #endif
 770
 771         /* We only support 1 JVM instance. */
 772
 773         if (vms > 0)
 774                 return false;
 775
 776         /* Install the exit handler. */
 777
 778         if (atexit(vm_exit_handler))
 779                 vm_abort("atexit failed: %s\n", strerror(errno));
 780
 781         /* Set some options. */
 782
 783         opt_version       = false;
 784         opt_exit          = false;
 785
 786         opt_noieee        = false;
 787
 788         opt_heapmaxsize   = HEAP_MAXSIZE;
 789         opt_heapstartsize = HEAP_STARTSIZE;
 790         opt_stacksize     = STACK_SIZE;
 791
 792         /* Initialize the properties list before command-line handling.
 793            Otherwise -XX:+PrintConfig crashes. */
 794
 795         properties_init();
 796
 797         /* First of all, parse the -XX options. */
 798
 799 #if defined(ENABLE_VMLOG)
 800         vmlog_cacao_init_options();
 801 #endif
 802
 803         options_xx(vm_args);
 804
 805 #if defined(ENABLE_VMLOG)
 806         vmlog_cacao_init();
 807 #endif
 808
 809         /* We need to check if the actual size of a java.lang.Class object
 810            is smaller or equal than the assumption made in
 811            src/vmcore/class.h. */
 812
 813         if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
 814                 vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
 815
 816         /* set the VM starttime */
 817
 818         _Jv_jvm->starttime = builtin_currenttimemillis();
 819
 820 #if defined(ENABLE_JVMTI)
 821         /* initialize JVMTI related  **********************************************/
 822         jvmti = false;
 823 #endif
 824
 825         /* Fill the properties before command-line handling. */
 826
 827         properties_set();
 828
 829         /* iterate over all passed options */
 830
 831         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
 832                 switch (opt) {
 833                 case OPT_FOO:
 834                         opt_foo = true;
 835                         break;
 836
 837                 case OPT_IGNORE:
 838                         break;
 839
 840                 case OPT_JAR:
 841                         opt_jar = true;
 842                         break;
 843
 844                 case OPT_D32:
 845 #if SIZEOF_VOID_P == 8
 846                         puts("Running a 32-bit JVM is not supported on this platform.");
 847                         exit(1);
 848 #endif
 849                         break;
 850
 851                 case OPT_D64:
 852 #if SIZEOF_VOID_P == 4
 853                         puts("Running a 64-bit JVM is not supported on this platform.");
 854                         exit(1);
 855 #endif
 856                         break;
 857
 858                 case OPT_CLASSPATH:
 859                         /* Forget old classpath and set the argument as new
 860                            classpath. */
 861
 862                         class_path = properties_get("java.class.path");
 863
 864                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 865
 866                         strcpy(p, opt_arg);
 867
 868 #if defined(ENABLE_JAVASE)
 869                         properties_add("java.class.path", p);
 870 #endif
 871
 872                         MFREE(class_path, char, strlen(class_path));
 873                         break;
 874
 875                 case OPT_D:
 876                         for (i = 0; i < strlen(opt_arg); i++) {
 877                                 if (opt_arg[i] == '=') {
 878                                         opt_arg[i] = '\0';
 879                                         properties_add(opt_arg, opt_arg + i + 1);
 880                                         goto opt_d_done;
 881                                 }
 882                         }
 883
 884                         /* if no '=' is given, just create an empty property */
 885
 886                         properties_add(opt_arg, "");
 887
 888                 opt_d_done:
 889                         break;
 890
 891                 case OPT_BOOTCLASSPATH:
 892                         /* Forget default bootclasspath and set the argument as
 893                            new boot classpath. */
 894
 895                         boot_class_path = properties_get("sun.boot.class.path");
 896
 897                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 898
 899                         strcpy(p, opt_arg);
 900
 901                         properties_add("sun.boot.class.path", p);
 902                         properties_add("java.boot.class.path", p);
 903
 904                         MFREE(boot_class_path, char, strlen(boot_class_path));
 905                         break;
 906
 907                 case OPT_BOOTCLASSPATH_A:
 908                         /* Append to bootclasspath. */
 909
 910                         boot_class_path = properties_get("sun.boot.class.path");
 911
 912                         len = strlen(boot_class_path);
 913
 914                         p = MREALLOC(boot_class_path,
 915                                                  char,
 916                                                  len + strlen("0"),
 917                                                  len + strlen(":") +
 918                                                  strlen(opt_arg) + strlen("0"));
 919
 920                         strcat(p, ":");
 921                         strcat(p, opt_arg);
 922
 923                         properties_add("sun.boot.class.path", p);
 924                         properties_add("java.boot.class.path", p);
 925                         break;
 926
 927                 case OPT_BOOTCLASSPATH_P:
 928                         /* Prepend to bootclasspath. */
 929
 930                         boot_class_path = properties_get("sun.boot.class.path");
 931
 932                         len = strlen(boot_class_path);
 933
 934                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
 935
 936                         strcpy(p, opt_arg);
 937                         strcat(p, ":");
 938                         strcat(p, boot_class_path);
 939
 940                         properties_add("sun.boot.class.path", p);
 941                         properties_add("java.boot.class.path", p);
 942
 943                         MFREE(boot_class_path, char, len);
 944                         break;
 945
 946                 case OPT_BOOTCLASSPATH_C:
 947                         /* Use as Java core library, but prepend VM interface
 948                            classes. */
 949
 950                         boot_class_path = properties_get("sun.boot.class.path");
 951
 952                         len =
 953                                 strlen(CACAO_VM_ZIP) +
 954                                 strlen(":") +
 955                                 strlen(opt_arg) +
 956                                 strlen("0");
 957
 958                         p = MNEW(char, len);
 959
 960                         strcpy(p, CACAO_VM_ZIP);
 961                         strcat(p, ":");
 962                         strcat(p, opt_arg);
 963
 964                         properties_add("sun.boot.class.path", p);
 965                         properties_add("java.boot.class.path", p);
 966
 967                         MFREE(boot_class_path, char, strlen(boot_class_path));
 968                         break;
 969
 970 #if defined(ENABLE_JVMTI)
 971                 case OPT_DEBUG:
 972                         /* this option exists only for compatibility reasons */
 973                         break;
 974
 975                 case OPT_NOAGENT:
 976                         /* I don't know yet what Xnoagent should do. This is only for
 977                            compatiblity with eclipse - motse */
 978                         break;
 979
 980                 case OPT_XRUNJDWP:
 981                         agentbypath = true;
 982                         jvmti       = true;
 983                         jdwp        = true;
 984
 985                         len =
 986                                 strlen(CACAO_LIBDIR) +
 987                                 strlen("/libjdwp.so=") +
 988                                 strlen(opt_arg) +
 989                                 strlen("0");
 990
 991                         agentarg = MNEW(char, len);
 992
 993                         strcpy(agentarg, CACAO_LIBDIR);
 994                         strcat(agentarg, "/libjdwp.so=");
 995                         strcat(agentarg, &opt_arg[1]);
 996                         break;
 997
 998                 case OPT_AGENTPATH:
 999                         agentbypath = true;
1000
1001                 case OPT_AGENTLIB:
1002                         jvmti = true;
1003                         agentarg = opt_arg;
1004                         break;
1005 #endif
1006
1007                 case OPT_MX:
1008                 case OPT_MS:
1009                 case OPT_SS:
1010                         {
1011                                 char c;
1012                                 c = opt_arg[strlen(opt_arg) - 1];
1013
1014                                 if ((c == 'k') || (c == 'K')) {
1015                                         j = atoi(opt_arg) * 1024;
1016
1017                                 } else if ((c == 'm') || (c == 'M')) {
1018                                         j = atoi(opt_arg) * 1024 * 1024;
1019
1020                                 } else
1021                                         j = atoi(opt_arg);
1022
1023                                 if (opt == OPT_MX)
1024                                         opt_heapmaxsize = j;
1025                                 else if (opt == OPT_MS)
1026                                         opt_heapstartsize = j;
1027                                 else
1028                                         opt_stacksize = j;
1029                         }
1030                         break;
1031
1032                 case OPT_VERBOSE1:
1033                         opt_verbose = true;
1034                         break;
1035
1036                 case OPT_VERBOSE:
1037                         if (strcmp("class", opt_arg) == 0) {
1038                                 opt_verboseclass = true;
1039                         }
1040                         else if (strcmp("gc", opt_arg) == 0) {
1041                                 opt_verbosegc = true;
1042                         }
1043                         else if (strcmp("jni", opt_arg) == 0) {
1044                                 opt_verbosejni = true;
1045                         }
1046 #if !defined(NDEBUG)
1047                         else if (strcmp("jit", opt_arg) == 0) {
1048                                 opt_verbose = true;
1049                                 loadverbose = true;
1050                                 initverbose = true;
1051                                 compileverbose = true;
1052                         }
1053 #endif
1054                         else {
1055                                 printf("Unknown -verbose option: %s\n", opt_arg);
1056                                 usage();
1057                         }
1058                         break;
1059
1060                 case OPT_DEBUGCOLOR:
1061                         opt_debugcolor = true;
1062                         break;
1063
1064 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1065                 case OPT_VERBOSETC:
1066                         opt_typecheckverbose = true;
1067                         break;
1068 #endif
1069
1070                 case OPT_VERSION:
1071                         opt_version = true;
1072                         opt_exit    = true;
1073                         break;
1074
1075                 case OPT_FULLVERSION:
1076                         fullversion();
1077                         break;
1078
1079                 case OPT_SHOWVERSION:
1080                         opt_version = true;
1081                         break;
1082
1083                 case OPT_NOIEEE:
1084                         opt_noieee = true;
1085                         break;
1086
1087 #if defined(ENABLE_VERIFIER)
1088                 case OPT_NOVERIFY:
1089                         opt_verify = false;
1090                         break;
1091 #endif
1092
1093 #if defined(ENABLE_STATISTICS)
1094                 case OPT_TIME:
1095                         opt_getcompilingtime = true;
1096                         opt_getloadingtime = true;
1097                         break;
1098
1099                 case OPT_STAT:
1100                         opt_stat = true;
1101                         break;
1102 #endif
1103
1104                 case OPT_LOG:
1105                         log_init(opt_arg);
1106                         break;
1107
1108                 case OPT_CHECK:
1109                         for (i = 0; i < strlen(opt_arg); i++) {
1110                                 switch (opt_arg[i]) {
1111                                 case 'b':
1112                                         checkbounds = false;
1113                                         break;
1114                                 case 's':
1115                                         checksync = false;
1116                                         break;
1117                                 default:
1118                                         usage();
1119                                 }
1120                         }
1121                         break;
1122
1123                 case OPT_LOAD:
1124                         opt_run = false;
1125                         makeinitializations = false;
1126                         break;
1127
1128 #if !defined(NDEBUG)
1129                 case OPT_ALL:
1130                         compileall = true;
1131                         opt_run = false;
1132                         makeinitializations = false;
1133                         break;
1134
1135                 case OPT_METHOD:
1136                         opt_run = false;
1137                         opt_method = opt_arg;
1138                         makeinitializations = false;
1139                         break;
1140
1141                 case OPT_SIGNATURE:
1142                         opt_signature = opt_arg;
1143                         break;
1144 #endif
1145
1146                 case OPT_SHOW:       /* Display options */
1147                         for (i = 0; i < strlen(opt_arg); i++) {
1148                                 switch (opt_arg[i]) {
1149                                 case 'c':
1150                                         showconstantpool = true;
1151                                         break;
1152
1153                                 case 'u':
1154                                         showutf = true;
1155                                         break;
1156
1157                                 case 'm':
1158                                         showmethods = true;
1159                                         break;
1160
1161                                 case 'i':
1162                                         opt_showintermediate = true;
1163                                         compileverbose = true;
1164                                         break;
1165
1166 #if defined(ENABLE_DISASSEMBLER)
1167                                 case 'a':
1168                                         opt_showdisassemble = true;
1169                                         compileverbose = true;
1170                                         break;
1171
1172                                 case 'o':
1173                                         opt_shownops = true;
1174                                         break;
1175 #endif
1176
1177                                 case 'd':
1178                                         opt_showddatasegment = true;
1179                                         break;
1180
1181                                 default:
1182                                         usage();
1183                                 }
1184                         }
1185                         break;
1186
1187 #if defined(ENABLE_LOOP)
1188                 case OPT_OLOOP:
1189                         opt_loops = true;
1190                         break;
1191 #endif
1192
1193 #if defined(ENABLE_IFCONV)
1194                 case OPT_IFCONV:
1195                         opt_ifconv = true;
1196                         break;
1197 #endif
1198
1199 #if defined(ENABLE_LSRA)
1200                 case OPT_LSRA:
1201                         opt_lsra = true;
1202                         break;
1203 #endif
1204 #if  defined(ENABLE_SSA)
1205                 case OPT_LSRA:
1206                         opt_lsra = true;
1207                         for (i = 0; i < strlen(opt_arg); i++) {
1208                                 switch (opt_arg[i]) {
1209                                 case 'c':
1210                                         opt_ssa_cp = true;
1211                                         break;
1212
1213                                 case 'd':
1214                                         opt_ssa_dce = true;
1215                                         break;
1216
1217                                 case ':':
1218                                         break;
1219
1220                                 default:
1221                                         usage();
1222                                 }
1223                         }
1224                         break;
1225 #endif
1226
1227                 case OPT_HELP:
1228                         usage();
1229                         break;
1230
1231                 case OPT_X:
1232                         Xusage();
1233                         break;
1234
1235                 case OPT_XX:
1236                         /* Already parsed. */
1237                         break;
1238
1239                 case OPT_EA:
1240 #if defined(ENABLE_ASSERTION)
1241                         assertion_ea_da(opt_arg, true);
1242 #endif
1243                         break;
1244
1245                 case OPT_DA:
1246 #if defined(ENABLE_ASSERTION)
1247                         assertion_ea_da(opt_arg, false);
1248 #endif
1249                         break;
1250
1251                 case OPT_EA_NOARG:
1252 #if defined(ENABLE_ASSERTION)
1253                         assertion_user_enabled = true;
1254 #endif
1255                         break;
1256
1257                 case OPT_DA_NOARG:
1258 #if defined(ENABLE_ASSERTION)
1259                         assertion_user_enabled = false;
1260 #endif
1261                         break;
1262
1263                 case OPT_ESA:
1264 #if defined(ENABLE_ASSERTION)
1265                         assertion_system_enabled = true;
1266 #endif
1267                         break;
1268
1269                 case OPT_DSA:
1270 #if defined(ENABLE_ASSERTION)
1271                         assertion_system_enabled = false;
1272 #endif
1273                         break;
1274
1275 #if defined(ENABLE_PROFILING)
1276                 case OPT_PROF_OPTION:
1277                         /* use <= to get the last \0 too */
1278
1279                         for (i = 0, j = 0; i <= strlen(opt_arg); i++) {
1280                                 if (opt_arg[i] == ',')
1281                                         opt_arg[i] = '\0';
1282
1283                                 if (opt_arg[i] == '\0') {
1284                                         if (strcmp("bb", opt_arg + j) == 0)
1285                                                 opt_prof_bb = true;
1286
1287                                         else {
1288                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1289                                                 usage();
1290                                         }
1291
1292                                         /* set k to next char */
1293
1294                                         j = i + 1;
1295                                 }
1296                         }
1297                         /* fall through */
1298
1299                 case OPT_PROF:
1300                         opt_prof = true;
1301                         break;
1302 #endif
1303
1304                 case OPT_JIT:
1305 #if defined(ENABLE_JIT)
1306                         opt_jit = true;
1307 #else
1308                         printf("-Xjit option not enabled.\n");
1309                         exit(1);
1310 #endif
1311                         break;
1312
1313                 case OPT_INTRP:
1314 #if defined(ENABLE_INTRP)
1315                         opt_intrp = true;
1316 #else
1317                         printf("-Xint option not enabled.\n");
1318                         exit(1);
1319 #endif
1320                         break;
1321
1322 #if defined(ENABLE_INTRP)
1323                 case OPT_STATIC_SUPERS:
1324                         opt_static_supers = atoi(opt_arg);
1325                         break;
1326
1327                 case OPT_NO_DYNAMIC:
1328                         opt_no_dynamic = true;
1329                         break;
1330
1331                 case OPT_NO_REPLICATION:
1332                         opt_no_replication = true;
1333                         break;
1334
1335                 case OPT_NO_QUICKSUPER:
1336                         opt_no_quicksuper = true;
1337                         break;
1338
1339                 case OPT_TRACE:
1340                         vm_debug = true;
1341                         break;
1342 #endif
1343
1344 #if defined(ENABLE_DEBUG_FILTER)
1345                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1346                         opt_filter_verbosecall_include = opt_arg;
1347                         break;
1348
1349                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1350                         opt_filter_verbosecall_exclude = opt_arg;
1351                         break;
1352
1353                 case OPT_FILTER_SHOW_METHOD:
1354                         opt_filter_show_method = opt_arg;
1355                         break;
1356
1357 #endif
1358                 default:
1359                         printf("Unknown option: %s\n",
1360                                    vm_args->options[opt_index].optionString);
1361                         usage();
1362                 }
1363         }
1364
1365 #if defined(ENABLE_JVMTI)
1366         if (jvmti) {
1367                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1368                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1369
1370                 if (jdwp)
1371                         MFREE(agentarg, char, strlen(agentarg));
1372
1373                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1374         }
1375 #endif
1376
1377         /* initialize this JVM ****************************************************/
1378
1379         vm_initializing = true;
1380
1381         /* initialize the garbage collector */
1382
1383         gc_init(opt_heapmaxsize, opt_heapstartsize);
1384
1385 #if defined(ENABLE_THREADS)
1386         /* BEFORE: threads_preinit */
1387
1388         threadlist_init();
1389
1390         /* AFTER: gc_init (directly after, as this initializes the
1391            stopworldlock lock */
1392
1393         threads_preinit();
1394         lock_init();
1395         critical_init();
1396 #endif
1397
1398         /* install architecture dependent signal handlers */
1399
1400         if (!signal_init())
1401                 vm_abort("vm_create: signal_init failed");
1402
1403 #if defined(ENABLE_INTRP)
1404         /* Allocate main thread stack on the Java heap. */
1405
1406         if (opt_intrp) {
1407                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1408                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1409         }
1410 #endif
1411
1412         /* AFTER: threads_preinit */
1413
1414         if (!string_init())
1415                 vm_abort("vm_create: string_init failed");
1416
1417         /* AFTER: threads_preinit */
1418
1419         utf8_init();
1420
1421         /* AFTER: thread_preinit */
1422
1423         if (!suck_init())
1424                 vm_abort("vm_create: suck_init failed");
1425
1426         suck_add_from_property("java.endorsed.dirs");
1427
1428         /* Now we have all options handled and we can print the version
1429            information.
1430
1431            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1432
1433         if (opt_version)
1434                 version(opt_exit);
1435
1436         /* AFTER: utf8_init */
1437
1438         boot_class_path = properties_get("sun.boot.class.path");
1439         suck_add(boot_class_path);
1440
1441         /* initialize the classcache hashtable stuff: lock, hashtable
1442            (must be done _after_ threads_preinit) */
1443
1444         if (!classcache_init())
1445                 vm_abort("vm_create: classcache_init failed");
1446
1447         /* Initialize the code memory management. */
1448         /* AFTER: threads_preinit */
1449
1450         codememory_init();
1451
1452         /* initialize the finalizer stuff (must be done _after_
1453            threads_preinit) */
1454
1455         if (!finalizer_init())
1456                 vm_abort("vm_create: finalizer_init failed");
1457
1458         /* Initialize the JIT compiler. */
1459
1460         jit_init();
1461         code_init();
1462         methodtree_init();
1463
1464 #if defined(ENABLE_PYTHON)
1465         pythonpass_init();
1466 #endif
1467
1468         /* BEFORE: loader_preinit */
1469
1470         package_init();
1471
1472         /* AFTER: utf8_init, classcache_init */
1473
1474         loader_preinit();
1475         linker_preinit();
1476
1477         /* AFTER: loader_preinit, linker_preinit */
1478
1479         primitive_init();
1480
1481         loader_init();
1482         linker_init();
1483
1484         /* AFTER: loader_init, linker_init */
1485
1486         primitive_postinit();
1487         method_init();
1488
1489 #if defined(ENABLE_JIT)
1490         trap_init();
1491 #endif
1492
1493         if (!builtin_init())
1494                 vm_abort("vm_create: builtin_init failed");
1495
1496         /* Initialize the native subsystem. */
1497         /* BEFORE: threads_init */
1498
1499         if (!native_init())
1500                 vm_abort("vm_create: native_init failed");
1501
1502         /* Register the native methods implemented in the VM. */
1503         /* BEFORE: threads_init */
1504
1505         nativevm_preinit();
1506
1507 #if defined(ENABLE_JNI)
1508         /* Initialize the JNI subsystem (must be done _before_
1509            threads_init, as threads_init can call JNI methods
1510            (e.g. NewGlobalRef). */
1511
1512         if (!jni_init())
1513                 vm_abort("vm_create: jni_init failed");
1514 #endif
1515
1516 #if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
1517         /* Initialize the local reference table for the main thread. */
1518         /* BEFORE: threads_init */
1519
1520         if (!localref_table_init())
1521                 vm_abort("vm_create: localref_table_init failed");
1522 #endif
1523
1524         /* Iinitialize some important system classes. */
1525         /* BEFORE: threads_init */
1526
1527         initialize_init();
1528
1529 #if defined(ENABLE_THREADS)
1530         threads_init();
1531 #endif
1532
1533         /* Initialize the native VM subsystem. */
1534         /* AFTER: threads_init (at least for SUN's classes) */
1535
1536         nativevm_init();
1537
1538 #if defined(ENABLE_PROFILING)
1539         /* initialize profiling */
1540
1541         if (!profile_init())
1542                 vm_abort("vm_create: profile_init failed");
1543 #endif
1544
1545 #if defined(ENABLE_THREADS)
1546         /* initialize recompilation */
1547
1548         if (!recompile_init())
1549                 vm_abort("vm_create: recompile_init failed");
1550
1551         /* start the signal handler thread */
1552
1553 #if defined(__LINUX__)
1554         /* XXX Remove for exact-GC. */
1555         if (threads_pthreads_implementation_nptl)
1556 #endif
1557                 if (!signal_start_thread())
1558                         vm_abort("vm_create: signal_start_thread failed");
1559
1560         /* finally, start the finalizer thread */
1561
1562         if (!finalizer_start_thread())
1563                 vm_abort("vm_create: finalizer_start_thread failed");
1564
1565 # if !defined(NDEBUG)
1566         /* start the memory profiling thread */
1567
1568         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1569                 if (!memory_start_thread())
1570                         vm_abort("vm_create: memory_start_thread failed");
1571 # endif
1572
1573         /* start the recompilation thread (must be done before the
1574            profiling thread) */
1575
1576         if (!recompile_start_thread())
1577                 vm_abort("vm_create: recompile_start_thread failed");
1578
1579 # if defined(ENABLE_PROFILING)
1580         /* start the profile sampling thread */
1581
1582 /*      if (opt_prof) */
1583 /*              if (!profile_start_thread()) */
1584 /*                      vm_abort("vm_create: profile_start_thread failed"); */
1585 # endif
1586 #endif
1587
1588 #if defined(ENABLE_JVMTI)
1589 # if defined(ENABLE_GC_CACAO)
1590         /* XXX this will not work with the new indirection cells for classloaders!!! */
1591         assert(0);
1592 # endif
1593         if (jvmti) {
1594                 /* add agent library to native library hashtable */
1595                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1596         }
1597 #endif
1598
1599         /* Increment the number of VMs. */
1600
1601         vms++;
1602
1603         /* Initialization is done, VM is created.. */
1604
1605         vm_created      = true;
1606         vm_initializing = false;
1607
1608         /* Print the VM configuration after all stuff is set and the VM is
1609            initialized. */
1610
1611         if (opt_PrintConfig)
1612                 vm_printconfig();
1613
1614         /* everything's ok */
1615
1616         return true;
1617 }
1618
1619
1620 /* vm_run **********************************************************************
1621
1622    Runs the main-method of the passed class.
1623
1624 *******************************************************************************/
1625
1626 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1627 {
1628         char*                      option;
1629         char*                      mainname;
1630         char*                      p;
1631         utf                       *mainutf;
1632         classinfo                 *mainclass;
1633         java_handle_t             *e;
1634         methodinfo                *m;
1635         java_handle_objectarray_t *oa;
1636         s4                         oalength;
1637         utf                       *u;
1638         java_handle_t             *s;
1639         int                        status;
1640         int                        i;
1641
1642 #if defined(ENABLE_THREADS)
1643         threadobject              *t;
1644 #endif
1645
1646 #if !defined(NDEBUG)
1647         if (compileall) {
1648                 vm_compile_all();
1649                 return;
1650         }
1651 #endif
1652
1653         /* Get the main class plus it's arguments. */
1654
1655         mainname = NULL;
1656
1657         if (opt_index < vm_args->nOptions) {
1658                 /* Get main-class argument. */
1659
1660                 mainname = vm_args->options[opt_index].optionString;
1661
1662                 /* If the main class argument is a jar file, put it into the
1663                    classpath. */
1664
1665                 if (opt_jar == true) {
1666                         p = MNEW(char, strlen(mainname) + strlen("0"));
1667
1668                         strcpy(p, mainname);
1669
1670 #if defined(ENABLE_JAVASE)
1671                         properties_add("java.class.path", p);
1672 #endif
1673                 }
1674                 else {
1675                         /* Replace dots with slashes in the class name. */
1676
1677                         for (i = 0; i < strlen(mainname); i++)
1678                                 if (mainname[i] == '.')
1679                                         mainname[i] = '/';
1680                 }
1681
1682                 /* Build argument array.  Move index to first argument. */
1683
1684                 opt_index++;
1685
1686                 oalength = vm_args->nOptions - opt_index;
1687
1688                 oa = builtin_anewarray(oalength, class_java_lang_String);
1689
1690                 for (i = 0; i < oalength; i++) {
1691                         option = vm_args->options[opt_index + i].optionString;
1692
1693                         u = utf_new_char(option);
1694                         s = javastring_new(u);
1695
1696                         array_objectarray_element_set(oa, i, s);
1697                 }
1698         }
1699
1700         /* Do we have a main-class argument? */
1701
1702         if (mainname == NULL)
1703                 usage();
1704
1705 #if !defined(NDEBUG)
1706         if (opt_method != NULL) {
1707                 vm_compile_method(mainname);
1708                 return;
1709         }
1710 #endif
1711
1712         /* set return value to OK */
1713
1714         status = 0;
1715
1716         if (opt_jar == true) {
1717                 /* open jar file with java.util.jar.JarFile */
1718
1719                 mainname = vm_get_mainclass_from_jar(mainname);
1720
1721                 if (mainname == NULL)
1722                         vm_exit(1);
1723         }
1724
1725         /* load the main class */
1726
1727         mainutf = utf_new_char(mainname);
1728
1729 #if defined(ENABLE_JAVAME_CLDC1_1)
1730         mainclass = load_class_bootstrap(mainutf);
1731 #else
1732         mainclass = load_class_from_sysloader(mainutf);
1733 #endif
1734
1735         /* error loading class */
1736
1737         e = exceptions_get_and_clear_exception();
1738
1739         if ((e != NULL) || (mainclass == NULL)) {
1740                 exceptions_throw_noclassdeffounderror_cause(e);
1741                 exceptions_print_stacktrace();
1742                 vm_exit(1);
1743         }
1744
1745         if (!link_class(mainclass)) {
1746                 exceptions_print_stacktrace();
1747                 vm_exit(1);
1748         }
1749
1750         /* find the `main' method of the main class */
1751
1752         m = class_resolveclassmethod(mainclass,
1753                                                                  utf_new_char("main"),
1754                                                                  utf_new_char("([Ljava/lang/String;)V"),
1755                                                                  class_java_lang_Object,
1756                                                                  false);
1757
1758         if (exceptions_get_exception()) {
1759                 exceptions_print_stacktrace();
1760                 vm_exit(1);
1761         }
1762
1763         /* there is no main method or it isn't static */
1764
1765         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1766                 exceptions_clear_exception();
1767                 exceptions_throw_nosuchmethoderror(mainclass,
1768                                                                                    utf_new_char("main"),
1769                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1770
1771                 exceptions_print_stacktrace();
1772                 vm_exit(1);
1773         }
1774
1775 #ifdef TYPEINFO_DEBUG_TEST
1776         /* test the typeinfo system */
1777         typeinfo_test();
1778 #endif
1779
1780 #if defined(ENABLE_JVMTI)
1781         jvmti_set_phase(JVMTI_PHASE_LIVE);
1782 #endif
1783
1784         /* set ThreadMXBean variables */
1785
1786         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1787         _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1788
1789         if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1790                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1791                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1792                         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1793
1794         /* start the main thread */
1795
1796         (void) vm_call_method(m, NULL, oa);
1797
1798         /* exception occurred? */
1799
1800         if (exceptions_get_exception()) {
1801                 exceptions_print_stacktrace();
1802                 status = 1;
1803         }
1804
1805 #if defined(ENABLE_THREADS)
1806     /* Detach the main thread so that it appears to have ended when
1807            the application's main method exits. */
1808
1809         t = thread_get_current();
1810
1811         if (!threads_detach_thread(t))
1812                 vm_abort("vm_run: Could not detach main thread.");
1813 #endif
1814
1815         /* Destroy the JavaVM. */
1816
1817         (void) vm_destroy(vm);
1818
1819         /* And exit. */
1820
1821         vm_exit(status);
1822 }
1823
1824
1825 /* vm_destroy ******************************************************************
1826
1827    Unloads a Java VM and reclaims its resources.
1828
1829 *******************************************************************************/
1830
1831 int vm_destroy(JavaVM *vm)
1832 {
1833 #if defined(ENABLE_THREADS)
1834         /* Create a a trivial new Java waiter thread called
1835            "DestroyJavaVM". */
1836
1837         JavaVMAttachArgs args;
1838
1839         args.name  = "DestroyJavaVM";
1840         args.group = NULL;
1841
1842         if (!threads_attach_current_thread(&args, false))
1843                 return 1;
1844
1845         /* Wait until we are the last non-daemon thread. */
1846
1847         threads_join_all_threads();
1848 #endif
1849
1850         /* VM is gone. */
1851
1852         vm_created = false;
1853
1854         /* Everything is ok. */
1855
1856         return 0;
1857 }
1858
1859
1860 /* vm_exit *********************************************************************
1861
1862    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1863
1864 *******************************************************************************/
1865
1866 void vm_exit(s4 status)
1867 {
1868         methodinfo *m;
1869
1870         /* signal that we are exiting */
1871
1872         vm_exiting = true;
1873
1874         assert(class_java_lang_System);
1875         assert(class_java_lang_System->state & CLASS_LOADED);
1876
1877 #if defined(ENABLE_JVMTI)
1878         if (jvmti || (dbgcom!=NULL)) {
1879                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1880                 if (jvmti) jvmti_agentunload();
1881         }
1882 #endif
1883
1884         if (!link_class(class_java_lang_System)) {
1885                 exceptions_print_stacktrace();
1886                 exit(1);
1887         }
1888
1889         /* call java.lang.System.exit(I)V */
1890
1891         m = class_resolveclassmethod(class_java_lang_System,
1892                                                                  utf_new_char("exit"),
1893                                                                  utf_int__void,
1894                                                                  class_java_lang_Object,
1895                                                                  true);
1896
1897         if (m == NULL) {
1898                 exceptions_print_stacktrace();
1899                 exit(1);
1900         }
1901
1902         /* call the exit function with passed exit status */
1903
1904         (void) vm_call_method(m, NULL, status);
1905
1906         /* If we had an exception, just ignore the exception and exit with
1907            the proper code. */
1908
1909         vm_shutdown(status);
1910 }
1911
1912
1913 /* vm_shutdown *****************************************************************
1914
1915    Terminates the system immediately without freeing memory explicitly
1916    (to be used only for abnormal termination).
1917
1918 *******************************************************************************/
1919
1920 void vm_shutdown(s4 status)
1921 {
1922         if (opt_verbose
1923 #if defined(ENABLE_STATISTICS)
1924                 || opt_getcompilingtime || opt_stat
1925 #endif
1926            )
1927         {
1928                 log_text("CACAO terminated by shutdown");
1929                 dolog("Exit status: %d\n", (s4) status);
1930
1931         }
1932
1933 #if defined(ENABLE_JVMTI)
1934         /* terminate cacaodbgserver */
1935         if (dbgcom!=NULL) {
1936                 mutex_lock(&dbgcomlock);
1937                 dbgcom->running=1;
1938                 mutex_unlock(&dbgcomlock);
1939                 jvmti_cacaodbgserver_quit();
1940         }
1941 #endif
1942
1943         exit(status);
1944 }
1945
1946
1947 /* vm_exit_handler *************************************************************
1948
1949    The exit_handler function is called upon program termination.
1950
1951    ATTENTION: Don't free system resources here! Some threads may still
1952    be running as this is called from VMRuntime.exit(). The OS does the
1953    cleanup for us.
1954
1955 *******************************************************************************/
1956
1957 void vm_exit_handler(void)
1958 {
1959 #if !defined(NDEBUG)
1960         if (showmethods)
1961                 class_showmethods(mainclass);
1962
1963         if (showconstantpool)
1964                 class_showconstantpool(mainclass);
1965
1966         if (showutf)
1967                 utf_show();
1968
1969 # if defined(ENABLE_PROFILING)
1970         if (opt_prof)
1971                 profile_printstats();
1972 # endif
1973 #endif /* !defined(NDEBUG) */
1974
1975 #if defined(ENABLE_RT_TIMING)
1976         rt_timing_print_time_stats(stderr);
1977 #endif
1978
1979 #if defined(ENABLE_CYCLES_STATS)
1980         builtin_print_cycles_stats(stderr);
1981         stacktrace_print_cycles_stats(stderr);
1982 #endif
1983
1984         if (opt_verbose
1985 #if defined(ENABLE_STATISTICS)
1986                 || opt_getcompilingtime || opt_stat
1987 #endif
1988            )
1989         {
1990                 log_text("CACAO terminated");
1991
1992 #if defined(ENABLE_STATISTICS)
1993                 if (opt_stat) {
1994                         print_stats();
1995 #ifdef TYPECHECK_STATISTICS
1996                         typecheck_print_statistics(get_logfile());
1997 #endif
1998                 }
1999
2000                 if (opt_getcompilingtime)
2001                         print_times();
2002 #endif /* defined(ENABLE_STATISTICS) */
2003         }
2004         /* vm_print_profile(stderr);*/
2005 }
2006
2007
2008 /* vm_abort ********************************************************************
2009
2010    Prints an error message and aborts the VM.
2011
2012    IN:
2013        text ... error message to print
2014
2015 *******************************************************************************/
2016
2017 void vm_abort(const char *text, ...)
2018 {
2019         va_list ap;
2020
2021         /* Print the log message. */
2022
2023         log_start();
2024
2025         va_start(ap, text);
2026         log_vprint(text, ap);
2027         va_end(ap);
2028
2029         log_finish();
2030
2031         /* Now abort the VM. */
2032
2033         system_abort();
2034 }
2035
2036
2037 /* vm_abort_errnum *************************************************************
2038
2039    Prints an error message, appends ":" plus the strerror-message of
2040    errnum and aborts the VM.
2041
2042    IN:
2043        errnum ... error number
2044        text ..... error message to print
2045
2046 *******************************************************************************/
2047
2048 void vm_abort_errnum(int errnum, const char *text, ...)
2049 {
2050         va_list ap;
2051
2052         /* Print the log message. */
2053
2054         log_start();
2055
2056         va_start(ap, text);
2057         log_vprint(text, ap);
2058         va_end(ap);
2059
2060         /* Print the strerror-message of errnum. */
2061
2062         log_print(": %s", system_strerror(errnum));
2063
2064         log_finish();
2065
2066         /* Now abort the VM. */
2067
2068         system_abort();
2069 }
2070
2071
2072 /* vm_abort_errno **************************************************************
2073
2074    Equal to vm_abort_errnum, but uses errno to get the error number.
2075
2076    IN:
2077        text ... error message to print
2078
2079 *******************************************************************************/
2080
2081 void vm_abort_errno(const char *text, ...)
2082 {
2083         va_list ap;
2084
2085         va_start(ap, text);
2086         vm_abort_errnum(errno, text, ap);
2087         va_end(ap);
2088 }
2089
2090
2091 /* vm_abort_disassemble ********************************************************
2092
2093    Prints an error message, disassemble the given code range (if
2094    enabled) and aborts the VM.
2095
2096    IN:
2097        pc.......PC to disassemble
2098            count....number of instructions to disassemble
2099
2100 *******************************************************************************/
2101
2102 void vm_abort_disassemble(void *pc, int count, const char *text, ...)
2103 {
2104         va_list ap;
2105 #if defined(ENABLE_DISASSEMBLER)
2106         int     i;
2107 #endif
2108
2109         /* Print debug message. */
2110
2111         log_start();
2112
2113         va_start(ap, text);
2114         log_vprint(text, ap);
2115         va_end(ap);
2116
2117         log_finish();
2118
2119         /* Print the PC. */
2120
2121 #if SIZEOF_VOID_P == 8
2122         log_println("PC=0x%016lx", pc);
2123 #else
2124         log_println("PC=0x%08x", pc);
2125 #endif
2126
2127 #if defined(ENABLE_DISASSEMBLER)
2128         log_println("machine instructions at PC:");
2129
2130         /* Disassemble the given number of instructions. */
2131
2132         for (i = 0; i < count; i++)
2133                 pc = disassinstr(pc);
2134 #endif
2135
2136         vm_abort("Aborting...");
2137 }
2138
2139
2140 /* vm_get_mainclass_from_jar ***************************************************
2141
2142    Gets the name of the main class from a JAR's manifest file.
2143
2144 *******************************************************************************/
2145
2146 static char *vm_get_mainclass_from_jar(char *mainname)
2147 {
2148         classinfo     *c;
2149         java_handle_t *o;
2150         methodinfo    *m;
2151         java_handle_t *s;
2152
2153         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2154
2155         if (c == NULL) {
2156                 exceptions_print_stacktrace();
2157                 return NULL;
2158         }
2159
2160         /* create JarFile object */
2161
2162         o = builtin_new(c);
2163
2164         if (o == NULL) {
2165                 exceptions_print_stacktrace();
2166                 return NULL;
2167         }
2168
2169         m = class_resolveclassmethod(c,
2170                                                                  utf_init,
2171                                                                  utf_java_lang_String__void,
2172                                                                  class_java_lang_Object,
2173                                                                  true);
2174
2175         if (m == NULL) {
2176                 exceptions_print_stacktrace();
2177                 return NULL;
2178         }
2179
2180         s = javastring_new_from_ascii(mainname);
2181
2182         (void) vm_call_method(m, o, s);
2183
2184         if (exceptions_get_exception()) {
2185                 exceptions_print_stacktrace();
2186                 return NULL;
2187         }
2188
2189         /* get manifest object */
2190
2191         m = class_resolveclassmethod(c,
2192                                                                  utf_new_char("getManifest"),
2193                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2194                                                                  class_java_lang_Object,
2195                                                                  true);
2196
2197         if (m == NULL) {
2198                 exceptions_print_stacktrace();
2199                 return NULL;
2200         }
2201
2202         o = vm_call_method(m, o);
2203
2204         if (o == NULL) {
2205                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainname);
2206                 return NULL;
2207         }
2208
2209
2210         /* get Main Attributes */
2211
2212         LLNI_class_get(o, c);
2213
2214         m = class_resolveclassmethod(c,
2215                                                                  utf_new_char("getMainAttributes"),
2216                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2217                                                                  class_java_lang_Object,
2218                                                                  true);
2219
2220         if (m == NULL) {
2221                 exceptions_print_stacktrace();
2222                 return NULL;
2223         }
2224
2225         o = vm_call_method(m, o);
2226
2227         if (o == NULL) {
2228                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainname);
2229                 return NULL;
2230         }
2231
2232
2233         /* get property Main-Class */
2234
2235         LLNI_class_get(o, c);
2236
2237         m = class_resolveclassmethod(c,
2238                                                                  utf_new_char("getValue"),
2239                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2240                                                                  class_java_lang_Object,
2241                                                                  true);
2242
2243         if (m == NULL) {
2244                 exceptions_print_stacktrace();
2245                 return NULL;
2246         }
2247
2248         s = javastring_new_from_ascii("Main-Class");
2249
2250         o = vm_call_method(m, o, s);
2251
2252         if (o == NULL) {
2253                 fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
2254                 fprintf(stderr, "%s\n", mainname);
2255                 return NULL;
2256         }
2257
2258         return javastring_tochar(o);
2259 }
2260
2261
2262 /* vm_compile_all **************************************************************
2263
2264    Compile all methods found in the bootclasspath.
2265
2266 *******************************************************************************/
2267
2268 #if !defined(NDEBUG)
2269 static void vm_compile_all(void)
2270 {
2271         classinfo              *c;
2272         methodinfo             *m;
2273         u4                      slot;
2274         classcache_name_entry  *nmen;
2275         classcache_class_entry *clsen;
2276         s4                      i;
2277
2278         /* create all classes found in the bootclasspath */
2279         /* XXX currently only works with zip/jar's */
2280
2281         loader_load_all_classes();
2282
2283         /* link all classes */
2284
2285         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2286                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2287
2288                 for (; nmen; nmen = nmen->hashlink) {
2289                         /* iterate over all class entries */
2290
2291                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2292                                 c = clsen->classobj;
2293
2294                                 if (c == NULL)
2295                                         continue;
2296
2297                                 if (!(c->state & CLASS_LINKED)) {
2298                                         if (!link_class(c)) {
2299                                                 fprintf(stderr, "Error linking: ");
2300                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2301                                                 fprintf(stderr, "\n");
2302
2303                                                 /* print out exception and cause */
2304
2305                                                 exceptions_print_current_exception();
2306
2307                                                 /* goto next class */
2308
2309                                                 continue;
2310                                         }
2311                                 }
2312
2313                                 /* compile all class methods */
2314
2315                                 for (i = 0; i < c->methodscount; i++) {
2316                                         m = &(c->methods[i]);
2317
2318                                         if (m->jcode != NULL) {
2319                                                 if (!jit_compile(m)) {
2320                                                         fprintf(stderr, "Error compiling: ");
2321                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2322                                                         fprintf(stderr, ".");
2323                                                         utf_fprint_printable_ascii(stderr, m->name);
2324                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2325                                                         fprintf(stderr, "\n");
2326
2327                                                         /* print out exception and cause */
2328
2329                                                         exceptions_print_current_exception();
2330                                                 }
2331                                         }
2332                                 }
2333                         }
2334                 }
2335         }
2336 }
2337 #endif /* !defined(NDEBUG) */
2338
2339
2340 /* vm_compile_method ***********************************************************
2341
2342    Compile a specific method.
2343
2344 *******************************************************************************/
2345
2346 #if !defined(NDEBUG)
2347 static void vm_compile_method(char* mainname)
2348 {
2349         methodinfo *m;
2350
2351         /* create, load and link the main class */
2352
2353         mainclass = load_class_bootstrap(utf_new_char(mainname));
2354
2355         if (mainclass == NULL)
2356                 exceptions_print_stacktrace();
2357
2358         if (!link_class(mainclass))
2359                 exceptions_print_stacktrace();
2360
2361         if (opt_signature != NULL) {
2362                 m = class_resolveclassmethod(mainclass,
2363                                                                          utf_new_char(opt_method),
2364                                                                          utf_new_char(opt_signature),
2365                                                                          mainclass,
2366                                                                          false);
2367         }
2368         else {
2369                 m = class_resolveclassmethod(mainclass,
2370                                                                          utf_new_char(opt_method),
2371                                                                          NULL,
2372                                                                          mainclass,
2373                                                                          false);
2374         }
2375
2376         if (m == NULL)
2377                 vm_abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2378                                  opt_method, opt_signature ? opt_signature : "");
2379
2380         jit_compile(m);
2381 }
2382 #endif /* !defined(NDEBUG) */
2383
2384
2385 /* vm_call_array ***************************************************************
2386
2387    Calls a Java method with a variable number of arguments, passed via
2388    an argument array.
2389
2390    ATTENTION: This function has to be used outside the nativeworld.
2391
2392 *******************************************************************************/
2393
2394 #define VM_CALL_ARRAY(name, type)                                 \
2395 static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
2396 {                                                                 \
2397         methoddesc *md;                                               \
2398         void       *pv;                                               \
2399         type        value;                                            \
2400                                                                   \
2401         assert(m->code != NULL);                                      \
2402                                                                   \
2403         md = m->parseddesc;                                           \
2404         pv = m->code->entrypoint;                                     \
2405                                                                   \
2406         STATISTICS(count_calls_native_to_java++);                     \
2407                                                                   \
2408         value = asm_vm_call_method##name(pv, array, md->memuse);      \
2409                                                                   \
2410         return value;                                                 \
2411 }
2412
2413 static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
2414 {
2415         methoddesc    *md;
2416         void          *pv;
2417         java_object_t *o;
2418
2419         assert(m->code != NULL);
2420
2421         md = m->parseddesc;
2422         pv = m->code->entrypoint;
2423
2424         STATISTICS(count_calls_native_to_java++);
2425
2426         o = asm_vm_call_method(pv, array, md->memuse);
2427
2428         if (md->returntype.type == TYPE_VOID)
2429                 o = NULL;
2430
2431         return LLNI_WRAP(o);
2432 }
2433
2434 VM_CALL_ARRAY(_int,    int32_t)
2435 VM_CALL_ARRAY(_long,   int64_t)
2436 VM_CALL_ARRAY(_float,  float)
2437 VM_CALL_ARRAY(_double, double)
2438
2439
2440 /* vm_call_method **************************************************************
2441
2442    Calls a Java method with a variable number of arguments.
2443
2444 *******************************************************************************/
2445
2446 #define VM_CALL_METHOD(name, type)                                  \
2447 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2448 {                                                                   \
2449         va_list ap;                                                     \
2450         type    value;                                                  \
2451                                                                     \
2452         va_start(ap, o);                                                \
2453         value = vm_call_method##name##_valist(m, o, ap);                \
2454         va_end(ap);                                                     \
2455                                                                     \
2456         return value;                                                   \
2457 }
2458
2459 VM_CALL_METHOD(,        java_handle_t *)
2460 VM_CALL_METHOD(_int,    int32_t)
2461 VM_CALL_METHOD(_long,   int64_t)
2462 VM_CALL_METHOD(_float,  float)
2463 VM_CALL_METHOD(_double, double)
2464
2465
2466 /* vm_call_method_valist *******************************************************
2467
2468    Calls a Java method with a variable number of arguments, passed via
2469    a va_list.
2470
2471 *******************************************************************************/
2472
2473 #define VM_CALL_METHOD_VALIST(name, type)                               \
2474 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2475                                                                    va_list ap)                          \
2476 {                                                                       \
2477         uint64_t *array;                                                    \
2478         type      value;                                                    \
2479         int32_t   dumpmarker;                                               \
2480                                                                         \
2481         if (m->code == NULL)                                                \
2482                 if (!jit_compile(m))                                            \
2483                         return 0;                                                   \
2484                                                                         \
2485         THREAD_NATIVEWORLD_EXIT;                                            \
2486         DMARKER;                                                            \
2487                                                                         \
2488         array = argument_vmarray_from_valist(m, o, ap);                     \
2489         value = vm_call##name##_array(m, array);                            \
2490                                                                         \
2491         DRELEASE;                                                           \
2492         THREAD_NATIVEWORLD_ENTER;                                           \
2493                                                                         \
2494         return value;                                                       \
2495 }
2496
2497 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2498 VM_CALL_METHOD_VALIST(_int,    int32_t)
2499 VM_CALL_METHOD_VALIST(_long,   int64_t)
2500 VM_CALL_METHOD_VALIST(_float,  float)
2501 VM_CALL_METHOD_VALIST(_double, double)
2502
2503
2504 /* vm_call_method_jvalue *******************************************************
2505
2506    Calls a Java method with a variable number of arguments, passed via
2507    a jvalue array.
2508
2509 *******************************************************************************/
2510
2511 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2512 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2513                                                            const jvalue *args)                  \
2514 {                                                                       \
2515         uint64_t *array;                                                    \
2516         type      value;                                                    \
2517         int32_t   dumpmarker;                                               \
2518                                                                         \
2519         if (m->code == NULL)                                                \
2520                 if (!jit_compile(m))                                            \
2521                         return 0;                                                   \
2522                                                                         \
2523         THREAD_NATIVEWORLD_EXIT;                                            \
2524         DMARKER;                                                            \
2525                                                                         \
2526         array = argument_vmarray_from_jvalue(m, o, args);                   \
2527         value = vm_call##name##_array(m, array);                            \
2528                                                                         \
2529         DRELEASE;                                                           \
2530         THREAD_NATIVEWORLD_ENTER;                                           \
2531                                                                         \
2532         return value;                                                       \
2533 }
2534
2535 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2536 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2537 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2538 VM_CALL_METHOD_JVALUE(_float,  float)
2539 VM_CALL_METHOD_JVALUE(_double, double)
2540
2541
2542 /* vm_call_method_objectarray **************************************************
2543
2544    Calls a Java method with a variable number if arguments, passed via
2545    an objectarray of boxed values. Returns a boxed value.
2546
2547 *******************************************************************************/
2548
2549 java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
2550                                                                                   java_handle_objectarray_t *params)
2551 {
2552         uint64_t      *array;
2553         java_handle_t *xptr;
2554         java_handle_t *ro;
2555         imm_union      value;
2556         int32_t        dumpmarker;
2557
2558         /* Prevent compiler warnings. */
2559
2560         ro = NULL;
2561
2562         /* compile methods which are not yet compiled */
2563
2564         if (m->code == NULL)
2565                 if (!jit_compile(m))
2566                         return NULL;
2567
2568         /* leave the nativeworld */
2569
2570         THREAD_NATIVEWORLD_EXIT;
2571
2572         /* mark start of dump memory area */
2573
2574         DMARKER;
2575
2576         /* Fill the argument array from a object-array. */
2577
2578         array = argument_vmarray_from_objectarray(m, o, params);
2579
2580         if (array == NULL) {
2581                 /* release dump area */
2582
2583                 DRELEASE;
2584
2585                 /* enter the nativeworld again */
2586
2587                 THREAD_NATIVEWORLD_ENTER;
2588
2589                 exceptions_throw_illegalargumentexception();
2590
2591                 return NULL;
2592         }
2593
2594         switch (m->parseddesc->returntype.decltype) {
2595         case PRIMITIVETYPE_VOID:
2596                 value.a = vm_call_array(m, array);
2597                 break;
2598
2599         case PRIMITIVETYPE_BOOLEAN:
2600         case PRIMITIVETYPE_BYTE:
2601         case PRIMITIVETYPE_CHAR:
2602         case PRIMITIVETYPE_SHORT:
2603         case PRIMITIVETYPE_INT:
2604                 value.i = vm_call_int_array(m, array);
2605                 break;
2606
2607         case PRIMITIVETYPE_LONG:
2608                 value.l = vm_call_long_array(m, array);
2609                 break;
2610
2611         case PRIMITIVETYPE_FLOAT:
2612                 value.f = vm_call_float_array(m, array);
2613                 break;
2614
2615         case PRIMITIVETYPE_DOUBLE:
2616                 value.d = vm_call_double_array(m, array);
2617                 break;
2618
2619         case TYPE_ADR:
2620                 ro = vm_call_array(m, array);
2621                 break;
2622
2623         default:
2624                 vm_abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.decltype);
2625         }
2626
2627         /* release dump area */
2628
2629         DRELEASE;
2630
2631         /* enter the nativeworld again */
2632
2633         THREAD_NATIVEWORLD_ENTER;
2634
2635         /* box the return value if necesarry */
2636
2637         if (m->parseddesc->returntype.decltype != TYPE_ADR)
2638                 ro = primitive_box(m->parseddesc->returntype.decltype, value);
2639
2640         /* check for an exception */
2641
2642         xptr = exceptions_get_exception();
2643
2644         if (xptr != NULL) {
2645                 /* clear exception pointer, we are calling JIT code again */
2646
2647                 exceptions_clear_exception();
2648
2649                 exceptions_throw_invocationtargetexception(xptr);
2650         }
2651
2652         return ro;
2653 }
2654
2655
2656 /*
2657  * These are local overrides for various environment variables in Emacs.
2658  * Please do not remove this and leave it at the end of the file, where
2659  * Emacs will automagically detect them.
2660  * ---------------------------------------------------------------------
2661  * Local variables:
2662  * mode: c
2663  * indent-tabs-mode: t
2664  * c-basic-offset: 4
2665  * tab-width: 4
2666  * End:
2667  * vim:noexpandtab:sw=4:ts=4:
2668  */