src/vm/vm.cpp

   1 /* src/vm/vm.cpp - 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 <stdint.h>
  29
  30 #include <exception>
  31
  32 #include <assert.h>
  33 #include <errno.h>
  34 #include <stdlib.h>
  35
  36 #include "vm/types.h"
  37
  38 #include "arch.h"
  39 #include "md-abi.h"
  40
  41 #include "vm/jit/abi-asm.h"
  42
  43 #include "mm/codememory.h"
  44 #include "mm/dumpmemory.hpp"
  45 #include "mm/gc.hpp"
  46 #include "mm/memory.h"
  47
  48 #include "native/jni.hpp"
  49 #include "native/llni.h"
  50 #include "native/localref.h"
  51 #include "native/native.h"
  52
  53 #include "native/vm/nativevm.h"
  54
  55 #include "threads/lock-common.h"
  56 #include "threads/threadlist.h"
  57 #include "threads/thread.hpp"
  58
  59 #include "toolbox/logging.h"
  60
  61 #include "vm/array.h"
  62
  63 #if defined(ENABLE_ASSERTION)
  64 #include "vm/assertion.h"
  65 #endif
  66
  67 #include "vm/jit/builtin.hpp"
  68 #include "vm/classcache.h"
  69 #include "vm/exceptions.hpp"
  70 #include "vm/finalizer.h"
  71 #include "vm/global.h"
  72 #include "vm/globals.hpp"
  73 #include "vm/initialize.h"
  74 #include "vm/options.h"
  75 #include "vm/os.hpp"
  76 #include "vm/primitive.hpp"
  77 #include "vm/properties.h"
  78 #include "vm/signallocal.h"
  79 #include "vm/statistics.h"
  80 #include "vm/string.hpp"
  81 #include "vm/suck.h"
  82 #include "vm/vm.hpp"
  83
  84 #include "vm/jit/argument.h"
  85 #include "vm/jit/asmpart.h"
  86 #include "vm/jit/code.h"
  87
  88 #if defined(ENABLE_DISASSEMBLER)
  89 # include "vm/jit/disass.h"
  90 #endif
  91
  92 #include "vm/jit/jit.hpp"
  93 #include "vm/jit/methodtree.h"
  94
  95 #if defined(ENABLE_PROFILING)
  96 # include "vm/jit/optimizing/profile.h"
  97 #endif
  98
  99 #include "vm/jit/optimizing/recompile.h"
 100
 101 #if defined(ENABLE_PYTHON)
 102 # include "vm/jit/python.h"
 103 #endif
 104
 105 #include "vm/jit/trap.h"
 106
 107 #if defined(ENABLE_JVMTI)
 108 # include "native/jvmti/cacaodbg.h"
 109 #endif
 110
 111 #if defined(ENABLE_VMLOG)
 112 #include <vmlog_cacao.h>
 113 #endif
 114
 115
 116 /**
 117  * This is _the_ VM instance.
 118  */
 119 VM* VM::_vm = NULL;
 120
 121
 122 /* global variables ***********************************************************/
 123
 124 s4 vms = 0;                             /* number of VMs created              */
 125
 126 static classinfo *mainclass = NULL;
 127
 128 #if defined(ENABLE_INTRP)
 129 u1 *intrp_main_stack = NULL;
 130 #endif
 131
 132
 133 /* define heap sizes **********************************************************/
 134
 135 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
 136 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
 137 #define STACK_SIZE               128 * 1024 /* default 64kB                   */
 138
 139
 140 /* define command line options ************************************************/
 141
 142 enum {
 143         OPT_FOO,
 144
 145         /* Java options */
 146
 147         OPT_JAR,
 148
 149         OPT_D32,
 150         OPT_D64,
 151
 152         OPT_CLASSPATH,
 153         OPT_D,
 154
 155         OPT_VERBOSE,
 156
 157         OPT_VERSION,
 158         OPT_SHOWVERSION,
 159         OPT_FULLVERSION,
 160
 161         OPT_HELP,
 162         OPT_X,
 163         OPT_XX,
 164
 165         OPT_EA,
 166         OPT_DA,
 167         OPT_EA_NOARG,
 168         OPT_DA_NOARG,
 169
 170
 171         OPT_ESA,
 172         OPT_DSA,
 173
 174         /* Java non-standard options */
 175
 176         OPT_JIT,
 177         OPT_INTRP,
 178
 179         OPT_BOOTCLASSPATH,
 180         OPT_BOOTCLASSPATH_A,
 181         OPT_BOOTCLASSPATH_P,
 182
 183         OPT_BOOTCLASSPATH_C,
 184
 185 #if defined(ENABLE_PROFILING)
 186         OPT_PROF,
 187         OPT_PROF_OPTION,
 188 #endif
 189
 190         OPT_MS,
 191         OPT_MX,
 192
 193         /* CACAO options */
 194
 195         OPT_VERBOSE1,
 196         OPT_NOIEEE,
 197
 198 #if defined(ENABLE_STATISTICS)
 199         OPT_TIME,
 200         OPT_STAT,
 201 #endif
 202
 203         OPT_LOG,
 204         OPT_CHECK,
 205         OPT_LOAD,
 206         OPT_SHOW,
 207         OPT_DEBUGCOLOR,
 208
 209 #if !defined(NDEBUG)
 210         OPT_ALL,
 211         OPT_METHOD,
 212         OPT_SIGNATURE,
 213 #endif
 214
 215 #if defined(ENABLE_VERIFIER)
 216         OPT_NOVERIFY,
 217 #if defined(TYPECHECK_VERBOSE)
 218         OPT_VERBOSETC,
 219 #endif
 220 #endif /* defined(ENABLE_VERIFIER) */
 221
 222         /* optimization options */
 223
 224 #if defined(ENABLE_LOOP)
 225         OPT_OLOOP,
 226 #endif
 227
 228 #if defined(ENABLE_IFCONV)
 229         OPT_IFCONV,
 230 #endif
 231
 232 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 233         OPT_LSRA,
 234 #endif
 235
 236 #if defined(ENABLE_INTRP)
 237         /* interpreter options */
 238
 239         OPT_NO_DYNAMIC,
 240         OPT_NO_REPLICATION,
 241         OPT_NO_QUICKSUPER,
 242         OPT_STATIC_SUPERS,
 243         OPT_TRACE,
 244 #endif
 245
 246         OPT_SS,
 247
 248 #ifdef ENABLE_JVMTI
 249         OPT_DEBUG,
 250         OPT_XRUNJDWP,
 251         OPT_NOAGENT,
 252         OPT_AGENTLIB,
 253         OPT_AGENTPATH,
 254 #endif
 255
 256 #if defined(ENABLE_DEBUG_FILTER)
 257         OPT_FILTER_VERBOSECALL_INCLUDE,
 258         OPT_FILTER_VERBOSECALL_EXCLUDE,
 259         OPT_FILTER_SHOW_METHOD,
 260 #endif
 261
 262         DUMMY
 263 };
 264
 265
 266 opt_struct opts[] = {
 267         { "foo",               false, OPT_FOO },
 268
 269         /* Java options */
 270
 271         { "jar",               false, OPT_JAR },
 272
 273         { "d32",               false, OPT_D32 },
 274         { "d64",               false, OPT_D64 },
 275         { "client",            false, OPT_IGNORE },
 276         { "server",            false, OPT_IGNORE },
 277         { "jvm",               false, OPT_IGNORE },
 278         { "hotspot",           false, OPT_IGNORE },
 279
 280         { "classpath",         true,  OPT_CLASSPATH },
 281         { "cp",                true,  OPT_CLASSPATH },
 282         { "D",                 true,  OPT_D },
 283         { "version",           false, OPT_VERSION },
 284         { "showversion",       false, OPT_SHOWVERSION },
 285         { "fullversion",       false, OPT_FULLVERSION },
 286         { "help",              false, OPT_HELP },
 287         { "?",                 false, OPT_HELP },
 288         { "X",                 false, OPT_X },
 289         { "XX:",               true,  OPT_XX },
 290
 291         { "ea:",               true,  OPT_EA },
 292         { "da:",               true,  OPT_DA },
 293         { "ea",                false, OPT_EA_NOARG },
 294         { "da",                false, OPT_DA_NOARG },
 295
 296         { "enableassertions:",  true,  OPT_EA },
 297         { "disableassertions:", true,  OPT_DA },
 298         { "enableassertions",   false, OPT_EA_NOARG },
 299         { "disableassertions",  false, OPT_DA_NOARG },
 300
 301         { "esa",                     false, OPT_ESA },
 302         { "enablesystemassertions",  false, OPT_ESA },
 303         { "dsa",                     false, OPT_DSA },
 304         { "disablesystemassertions", false, OPT_DSA },
 305
 306         { "noasyncgc",         false, OPT_IGNORE },
 307 #if defined(ENABLE_VERIFIER)
 308         { "noverify",          false, OPT_NOVERIFY },
 309         { "Xverify:none",      false, OPT_NOVERIFY },
 310 #endif
 311         { "v",                 false, OPT_VERBOSE1 },
 312         { "verbose:",          true,  OPT_VERBOSE },
 313
 314 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
 315         { "verbosetc",         false, OPT_VERBOSETC },
 316 #endif
 317 #if defined(__ALPHA__)
 318         { "noieee",            false, OPT_NOIEEE },
 319 #endif
 320 #if defined(ENABLE_STATISTICS)
 321         { "time",              false, OPT_TIME },
 322         { "stat",              false, OPT_STAT },
 323 #endif
 324         { "log",               true,  OPT_LOG },
 325         { "c",                 true,  OPT_CHECK },
 326         { "l",                 false, OPT_LOAD },
 327
 328 #if !defined(NDEBUG)
 329         { "all",               false, OPT_ALL },
 330         { "sig",               true,  OPT_SIGNATURE },
 331 #endif
 332
 333 #if defined(ENABLE_LOOP)
 334         { "oloop",             false, OPT_OLOOP },
 335 #endif
 336 #if defined(ENABLE_IFCONV)
 337         { "ifconv",            false, OPT_IFCONV },
 338 #endif
 339 #if defined(ENABLE_LSRA)
 340         { "lsra",              false, OPT_LSRA },
 341 #endif
 342 #if  defined(ENABLE_SSA)
 343         { "lsra",              true, OPT_LSRA },
 344 #endif
 345
 346 #if defined(ENABLE_INTRP)
 347         /* interpreter options */
 348
 349         { "trace",             false, OPT_TRACE },
 350         { "static-supers",     true,  OPT_STATIC_SUPERS },
 351         { "no-dynamic",        false, OPT_NO_DYNAMIC },
 352         { "no-replication",    false, OPT_NO_REPLICATION },
 353         { "no-quicksuper",     false, OPT_NO_QUICKSUPER },
 354 #endif
 355
 356         /* JVMTI Agent Command Line Options */
 357 #ifdef ENABLE_JVMTI
 358         { "agentlib:",         true,  OPT_AGENTLIB },
 359         { "agentpath:",        true,  OPT_AGENTPATH },
 360 #endif
 361
 362         /* Java non-standard options */
 363
 364         { "Xjit",              false, OPT_JIT },
 365         { "Xint",              false, OPT_INTRP },
 366         { "Xbootclasspath:",   true,  OPT_BOOTCLASSPATH },
 367         { "Xbootclasspath/a:", true,  OPT_BOOTCLASSPATH_A },
 368         { "Xbootclasspath/p:", true,  OPT_BOOTCLASSPATH_P },
 369         { "Xbootclasspath/c:", true,  OPT_BOOTCLASSPATH_C },
 370
 371 #ifdef ENABLE_JVMTI
 372         { "Xdebug",            false, OPT_DEBUG },
 373         { "Xnoagent",          false, OPT_NOAGENT },
 374         { "Xrunjdwp",          true,  OPT_XRUNJDWP },
 375 #endif
 376
 377         { "Xms",               true,  OPT_MS },
 378         { "ms",                true,  OPT_MS },
 379         { "Xmx",               true,  OPT_MX },
 380         { "mx",                true,  OPT_MX },
 381         { "Xss",               true,  OPT_SS },
 382         { "ss",                true,  OPT_SS },
 383
 384 #if defined(ENABLE_PROFILING)
 385         { "Xprof:",            true,  OPT_PROF_OPTION },
 386         { "Xprof",             false, OPT_PROF },
 387 #endif
 388
 389         /* keep these at the end of the list */
 390
 391 #if !defined(NDEBUG)
 392         { "m",                 true,  OPT_METHOD },
 393 #endif
 394
 395         { "s",                 true,  OPT_SHOW },
 396         { "debug-color",      false,  OPT_DEBUGCOLOR },
 397
 398 #if defined(ENABLE_DEBUG_FILTER)
 399         { "XXfi",              true,  OPT_FILTER_VERBOSECALL_INCLUDE },
 400         { "XXfx",              true,  OPT_FILTER_VERBOSECALL_EXCLUDE },
 401         { "XXfm",              true,  OPT_FILTER_SHOW_METHOD },
 402 #endif
 403
 404         { NULL,                false, 0 }
 405 };
 406
 407
 408 /* usage ***********************************************************************
 409
 410    Prints the correct usage syntax to stdout.
 411
 412 *******************************************************************************/
 413
 414 void usage(void)
 415 {
 416         puts("Usage: cacao [-options] classname [arguments]");
 417         puts("               (to run a class file)");
 418         puts("   or  cacao [-options] -jar jarfile [arguments]");
 419         puts("               (to run a standalone jar file)\n");
 420
 421         puts("where options include:");
 422         puts("    -d32                     use 32-bit data model if available");
 423         puts("    -d64                     use 64-bit data model if available");
 424         puts("    -client                  compatibility (currently ignored)");
 425         puts("    -server                  compatibility (currently ignored)");
 426         puts("    -jvm                     compatibility (currently ignored)");
 427         puts("    -hotspot                 compatibility (currently ignored)\n");
 428
 429         puts("    -cp <path>               specify a path to look for classes");
 430         puts("    -classpath <path>        specify a path to look for classes");
 431         puts("    -D<name>=<value>         add an entry to the property list");
 432         puts("    -verbose[:class|gc|jni]  enable specific verbose output");
 433         puts("    -version                 print product version and exit");
 434         puts("    -fullversion             print jpackage-compatible product version and exit");
 435         puts("    -showversion             print product version and continue");
 436         puts("    -help, -?                print this help message");
 437         puts("    -X                       print help on non-standard Java options");
 438         puts("    -XX                      print help on debugging options");
 439     puts("    -ea[:<packagename>...|:<classname>]");
 440     puts("    -enableassertions[:<packagename>...|:<classname>]");
 441         puts("                             enable assertions with specified granularity");
 442         puts("    -da[:<packagename>...|:<classname>]");
 443         puts("    -disableassertions[:<packagename>...|:<classname>]");
 444         puts("                             disable assertions with specified granularity");
 445         puts("    -esa | -enablesystemassertions");
 446         puts("                             enable system assertions");
 447         puts("    -dsa | -disablesystemassertions");
 448         puts("                             disable system assertions");
 449
 450 #ifdef ENABLE_JVMTI
 451         puts("    -agentlib:<agent-lib-name>=<options>  library to load containg JVMTI agent");
 452         puts ("                                         for jdwp help use: -agentlib:jdwp=help");
 453         puts("    -agentpath:<path-to-agent>=<options>  path to library containg JVMTI agent");
 454 #endif
 455
 456         /* exit with error code */
 457
 458         exit(1);
 459 }
 460
 461
 462 static void Xusage(void)
 463 {
 464 #if defined(ENABLE_JIT)
 465         puts("    -Xjit                    JIT mode execution (default)");
 466 #endif
 467 #if defined(ENABLE_INTRP)
 468         puts("    -Xint                    interpreter mode execution");
 469 #endif
 470         puts("    -Xbootclasspath:<zip/jar files and directories separated by :>");
 471     puts("                             value is set as bootstrap class path");
 472         puts("    -Xbootclasspath/a:<zip/jar files and directories separated by :>");
 473         puts("                             value is appended to the bootstrap class path");
 474         puts("    -Xbootclasspath/p:<zip/jar files and directories separated by :>");
 475         puts("                             value is prepended to the bootstrap class path");
 476         puts("    -Xbootclasspath/c:<zip/jar files and directories separated by :>");
 477         puts("                             value is used as Java core library, but the");
 478         puts("                             hardcoded VM interface classes are prepended");
 479         printf("    -Xms<size>               set the initial size of the heap (default: %dMB)\n", HEAP_STARTSIZE / 1024 / 1024);
 480         printf("    -Xmx<size>               set the maximum size of the heap (default: %dMB)\n", HEAP_MAXSIZE / 1024 / 1024);
 481         printf("    -Xss<size>               set the thread stack size (default: %dkB)\n", STACK_SIZE / 1024);
 482
 483 #if defined(ENABLE_PROFILING)
 484         puts("    -Xprof[:bb]              collect and print profiling data");
 485 #endif
 486
 487 #if defined(ENABLE_JVMTI)
 488     /* -Xdebug option depend on gnu classpath JDWP options. options:
 489          transport=dt_socket,address=<hostname:port>,server=(y|n),suspend(y|n) */
 490         puts("    -Xdebug                  enable remote debugging\n");
 491         puts("    -Xrunjdwp transport=[dt_socket|...],address=<hostname:port>,server=[y|n],suspend=[y|n]\n");
 492         puts("                             enable remote debugging\n");
 493 #endif
 494
 495         /* exit with error code */
 496
 497         exit(1);
 498 }
 499
 500
 501 #if 0
 502 static void XXusage(void)
 503 {
 504         puts("    -v                       write state-information");
 505 #if !defined(NDEBUG)
 506         puts("    -verbose:jit             enable specific verbose output");
 507         puts("    -debug-color             colored output for ANSI terms");
 508 #endif
 509 #ifdef TYPECHECK_VERBOSE
 510         puts("    -verbosetc               write debug messages while typechecking");
 511 #endif
 512 #if defined(__ALPHA__)
 513         puts("    -noieee                  don't use ieee compliant arithmetic");
 514 #endif
 515 #if defined(ENABLE_VERIFIER)
 516         puts("    -noverify                don't verify classfiles");
 517 #endif
 518 #if defined(ENABLE_STATISTICS)
 519         puts("    -time                    measure the runtime");
 520         puts("    -stat                    detailed compiler statistics");
 521 #endif
 522         puts("    -log logfile             specify a name for the logfile");
 523         puts("    -c(heck)b(ounds)         don't check array bounds");
 524         puts("            s(ync)           don't check for synchronization");
 525 #if defined(ENABLE_LOOP)
 526         puts("    -oloop                   optimize array accesses in loops");
 527 #endif
 528         puts("    -l                       don't start the class after loading");
 529 #if !defined(NDEBUG)
 530         puts("    -all                     compile all methods, no execution");
 531         puts("    -m                       compile only a specific method");
 532         puts("    -sig                     specify signature for a specific method");
 533 #endif
 534
 535         puts("    -s...                    show...");
 536         puts("      (c)onstants            the constant pool");
 537         puts("      (m)ethods              class fields and methods");
 538         puts("      (u)tf                  the utf - hash");
 539         puts("      (i)ntermediate         intermediate representation");
 540 #if defined(ENABLE_DISASSEMBLER)
 541         puts("      (a)ssembler            disassembled listing");
 542         puts("      n(o)ps                 show NOPs in disassembler output");
 543 #endif
 544         puts("      (d)atasegment          data segment listing");
 545
 546 #if defined(ENABLE_IFCONV)
 547         puts("    -ifconv                  use if-conversion");
 548 #endif
 549 #if defined(ENABLE_LSRA)
 550         puts("    -lsra                    use linear scan register allocation");
 551 #endif
 552 #if defined(ENABLE_SSA)
 553         puts("    -lsra:...                use linear scan register allocation (with SSA)");
 554         puts("       (d)ead code elimination");
 555         puts("       (c)opy propagation");
 556 #endif
 557 #if defined(ENABLE_DEBUG_FILTER)
 558         puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
 559         puts("    -XXfx <regex>            end of dynamic scope for verbosecall filter");
 560         puts("    -XXfm <regex>            filter for show options");
 561 #endif
 562         /* exit with error code */
 563
 564         exit(1);
 565 }
 566 #endif
 567
 568
 569 /* version *********************************************************************
 570
 571    Only prints cacao version information.
 572
 573 *******************************************************************************/
 574
 575 static void version(bool opt_exit)
 576 {
 577         puts("java version \""JAVA_VERSION"\"");
 578         puts("CACAO version "VERSION"\n");
 579
 580         puts("Copyright (C) 1996-2005, 2006, 2007, 2008");
 581         puts("CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO");
 582         puts("This is free software; see the source for copying conditions.  There is NO");
 583         puts("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.");
 584
 585         /* exit normally, if requested */
 586
 587         if (opt_exit)
 588                 exit(0);
 589 }
 590
 591
 592 /* fullversion *****************************************************************
 593
 594    Prints a Sun compatible version information (required e.g. by
 595    jpackage, www.jpackage.org).
 596
 597 *******************************************************************************/
 598
 599 static void fullversion(void)
 600 {
 601         puts("java full version \"cacao-"JAVA_VERSION"\"");
 602
 603         /* exit normally */
 604
 605         exit(0);
 606 }
 607
 608
 609 /* forward declarations *******************************************************/
 610
 611 static char *vm_get_mainclass_from_jar(char *mainstring);
 612 #if !defined(NDEBUG)
 613 static void  vm_compile_all(void);
 614 static void  vm_compile_method(char* mainname);
 615 #endif
 616
 617
 618 /**
 619  * Implementation for JNI_CreateJavaVM.  This function creates a VM
 620  * object.
 621  *
 622  * @param p_vm
 623  * @param p_env
 624  * @param vm_args
 625  *
 626  * @return true on success, false otherwise.
 627  */
 628 bool VM::create(JavaVM** p_vm, void** p_env, void* vm_args)
 629 {
 630         JavaVMInitArgs* _vm_args;
 631
 632         // Get the arguments for the new JVM.
 633         _vm_args = (JavaVMInitArgs *) vm_args;
 634
 635         // Instantiate a new VM.
 636         try {
 637                 _vm = new VM(_vm_args);
 638         }
 639         catch (std::exception e) {
 640                 // FIXME How can we delete the resources allocated?
 641 //              /* release allocated memory */
 642 //              FREE(env, _Jv_JNIEnv);
 643 //              FREE(vm, _Jv_JavaVM);
 644
 645                 _vm = NULL;
 646
 647                 return false;
 648         }
 649
 650         // Return the values.
 651
 652         *p_vm  = _vm->get_javavm();
 653         *p_env = _vm->get_jnienv();
 654
 655         return true;
 656 }
 657
 658
 659 /**
 660  * C wrapper for VM::create.
 661  */
 662 extern "C" {
 663         bool VM_create(JavaVM** p_vm, void** p_env, void* vm_args)
 664         {
 665                 return VM::create(p_vm, p_env, vm_args);
 666         }
 667 }
 668
 669
 670 /**
 671  * VM constructor.
 672  */
 673 VM::VM(JavaVMInitArgs* vm_args)
 674 {
 675         // Very first thing to do: we are initializing.
 676         _initializing = true;
 677
 678         // Make ourself globally visible.
 679         // XXX Is this a good idea?
 680         _vm = this;
 681
 682         /* create and fill a JavaVM structure */
 683
 684         _javavm = new JavaVM();
 685
 686 #if defined(ENABLE_JNI)
 687         _javavm->functions = &_Jv_JNIInvokeInterface;
 688 #endif
 689
 690         /* get the VM and Env tables (must be set before vm_create) */
 691         /* XXX JVMTI Agents needs a JavaVM  */
 692
 693         _jnienv = new JNIEnv();
 694
 695 #if defined(ENABLE_JNI)
 696         _jnienv->functions = &_Jv_JNINativeInterface;
 697 #endif
 698
 699         /* actually create the JVM */
 700
 701         int   len;
 702         char *p;
 703         char *boot_class_path;
 704         char *class_path;
 705         int   opt;
 706         bool  opt_version;
 707         bool  opt_exit;
 708
 709 #if defined(ENABLE_JVMTI)
 710         lt_dlhandle  handle;
 711         char *libname, *agentarg;
 712         bool jdwp,agentbypath;
 713         jdwp = agentbypath = false;
 714 #endif
 715
 716 #if defined(ENABLE_JNI)
 717         /* Check the JNI version requested. */
 718
 719         if (!jni_version_check(vm_args->version))
 720                 throw std::exception();
 721 #endif
 722
 723         /* We only support 1 JVM instance. */
 724
 725         if (vms > 0)
 726                 throw std::exception();
 727
 728         /* Install the exit handler. */
 729
 730         if (atexit(vm_exit_handler))
 731                 VM::get_current()->abort("atexit failed: %s\n", strerror(errno));
 732
 733         /* Set some options. */
 734
 735         opt_version       = false;
 736         opt_exit          = false;
 737
 738         opt_noieee        = false;
 739
 740         opt_heapmaxsize   = HEAP_MAXSIZE;
 741         opt_heapstartsize = HEAP_STARTSIZE;
 742         opt_stacksize     = STACK_SIZE;
 743
 744         /* Initialize the properties list before command-line handling.
 745            Otherwise -XX:+PrintConfig crashes. */
 746
 747         properties_init();
 748
 749         // First of all, parse the -XX options.
 750
 751 #if defined(ENABLE_VMLOG)
 752         vmlog_cacao_init_options();
 753 #endif
 754
 755         options_xx(vm_args);
 756
 757         // After -XX options are parsed, print the build-time
 758         // configuration, if requested.
 759         if (opt_PrintConfig)
 760                 print_build_time_config();
 761
 762 #if defined(ENABLE_VMLOG)
 763         vmlog_cacao_init();
 764 #endif
 765
 766         /* We need to check if the actual size of a java.lang.Class object
 767            is smaller or equal than the assumption made in
 768            src/vm/class.h. */
 769
 770 #warning FIXME We need to check the size of java.lang.Class!!!
 771 //      if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
 772 //              vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
 773
 774         /* set the VM starttime */
 775
 776         _starttime = builtin_currenttimemillis();
 777
 778 #if defined(ENABLE_JVMTI)
 779         /* initialize JVMTI related  **********************************************/
 780         jvmti = false;
 781 #endif
 782
 783         /* Fill the properties before command-line handling. */
 784
 785         properties_set();
 786
 787         /* iterate over all passed options */
 788
 789         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
 790                 switch (opt) {
 791                 case OPT_FOO:
 792                         opt_foo = true;
 793                         break;
 794
 795                 case OPT_IGNORE:
 796                         break;
 797
 798                 case OPT_JAR:
 799                         opt_jar = true;
 800                         break;
 801
 802                 case OPT_D32:
 803 #if SIZEOF_VOID_P == 8
 804                         puts("Running a 32-bit JVM is not supported on this platform.");
 805                         exit(1);
 806 #endif
 807                         break;
 808
 809                 case OPT_D64:
 810 #if SIZEOF_VOID_P == 4
 811                         puts("Running a 64-bit JVM is not supported on this platform.");
 812                         exit(1);
 813 #endif
 814                         break;
 815
 816                 case OPT_CLASSPATH:
 817                         /* Forget old classpath and set the argument as new
 818                            classpath. */
 819
 820                         // FIXME Make class_path const char*.
 821                         class_path = (char*) properties_get("java.class.path");
 822
 823                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 824
 825                         strcpy(p, opt_arg);
 826
 827 #if defined(ENABLE_JAVASE)
 828                         properties_add("java.class.path", p);
 829 #endif
 830
 831                         MFREE(class_path, char, strlen(class_path));
 832                         break;
 833
 834                 case OPT_D:
 835                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
 836                                 if (opt_arg[i] == '=') {
 837                                         opt_arg[i] = '\0';
 838                                         properties_add(opt_arg, opt_arg + i + 1);
 839                                         goto opt_d_done;
 840                                 }
 841                         }
 842
 843                         /* if no '=' is given, just create an empty property */
 844
 845                         properties_add(opt_arg, "");
 846
 847                 opt_d_done:
 848                         break;
 849
 850                 case OPT_BOOTCLASSPATH:
 851                         /* Forget default bootclasspath and set the argument as
 852                            new boot classpath. */
 853
 854                         // FIXME Make boot_class_path const char*.
 855                         boot_class_path = (char*) properties_get("sun.boot.class.path");
 856
 857                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 858
 859                         strcpy(p, opt_arg);
 860
 861                         properties_add("sun.boot.class.path", p);
 862                         properties_add("java.boot.class.path", p);
 863
 864                         MFREE(boot_class_path, char, strlen(boot_class_path));
 865                         break;
 866
 867                 case OPT_BOOTCLASSPATH_A:
 868                         /* Append to bootclasspath. */
 869
 870                         // FIXME Make boot_class_path const char*.
 871                         boot_class_path = (char*) properties_get("sun.boot.class.path");
 872
 873                         len = strlen(boot_class_path);
 874
 875                         // XXX (char*) quick hack
 876                         p = (char*) MREALLOC(boot_class_path,
 877                                                  char,
 878                                                  len + strlen("0"),
 879                                                  len + strlen(":") +
 880                                                  strlen(opt_arg) + strlen("0"));
 881
 882                         strcat(p, ":");
 883                         strcat(p, opt_arg);
 884
 885                         properties_add("sun.boot.class.path", p);
 886                         properties_add("java.boot.class.path", p);
 887                         break;
 888
 889                 case OPT_BOOTCLASSPATH_P:
 890                         /* Prepend to bootclasspath. */
 891
 892                         // FIXME Make boot_class_path const char*.
 893                         boot_class_path = (char*) properties_get("sun.boot.class.path");
 894
 895                         len = strlen(boot_class_path);
 896
 897                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
 898
 899                         strcpy(p, opt_arg);
 900                         strcat(p, ":");
 901                         strcat(p, boot_class_path);
 902
 903                         properties_add("sun.boot.class.path", p);
 904                         properties_add("java.boot.class.path", p);
 905
 906                         MFREE(boot_class_path, char, len);
 907                         break;
 908
 909                 case OPT_BOOTCLASSPATH_C:
 910                         /* Use as Java core library, but prepend VM interface
 911                            classes. */
 912
 913                         // FIXME Make boot_class_path const char*.
 914                         boot_class_path = (char*) properties_get("sun.boot.class.path");
 915
 916                         len =
 917                                 strlen(CACAO_VM_ZIP) +
 918                                 strlen(":") +
 919                                 strlen(opt_arg) +
 920                                 strlen("0");
 921
 922                         p = MNEW(char, len);
 923
 924                         strcpy(p, CACAO_VM_ZIP);
 925                         strcat(p, ":");
 926                         strcat(p, opt_arg);
 927
 928                         properties_add("sun.boot.class.path", p);
 929                         properties_add("java.boot.class.path", p);
 930
 931                         MFREE(boot_class_path, char, strlen(boot_class_path));
 932                         break;
 933
 934 #if defined(ENABLE_JVMTI)
 935                 case OPT_DEBUG:
 936                         /* this option exists only for compatibility reasons */
 937                         break;
 938
 939                 case OPT_NOAGENT:
 940                         /* I don't know yet what Xnoagent should do. This is only for
 941                            compatiblity with eclipse - motse */
 942                         break;
 943
 944                 case OPT_XRUNJDWP:
 945                         agentbypath = true;
 946                         jvmti       = true;
 947                         jdwp        = true;
 948
 949                         len =
 950                                 strlen(CACAO_LIBDIR) +
 951                                 strlen("/libjdwp.so=") +
 952                                 strlen(opt_arg) +
 953                                 strlen("0");
 954
 955                         agentarg = MNEW(char, len);
 956
 957                         strcpy(agentarg, CACAO_LIBDIR);
 958                         strcat(agentarg, "/libjdwp.so=");
 959                         strcat(agentarg, &opt_arg[1]);
 960                         break;
 961
 962                 case OPT_AGENTPATH:
 963                         agentbypath = true;
 964
 965                 case OPT_AGENTLIB:
 966                         jvmti = true;
 967                         agentarg = opt_arg;
 968                         break;
 969 #endif
 970
 971                 case OPT_MX:
 972                 case OPT_MS:
 973                 case OPT_SS:
 974                         {
 975                                 char c;
 976                                 int j;
 977
 978                                 c = opt_arg[strlen(opt_arg) - 1];
 979
 980                                 if ((c == 'k') || (c == 'K')) {
 981                                         j = atoi(opt_arg) * 1024;
 982
 983                                 } else if ((c == 'm') || (c == 'M')) {
 984                                         j = atoi(opt_arg) * 1024 * 1024;
 985
 986                                 } else
 987                                         j = atoi(opt_arg);
 988
 989                                 if (opt == OPT_MX)
 990                                         opt_heapmaxsize = j;
 991                                 else if (opt == OPT_MS)
 992                                         opt_heapstartsize = j;
 993                                 else
 994                                         opt_stacksize = j;
 995                         }
 996                         break;
 997
 998                 case OPT_VERBOSE1:
 999                         opt_verbose = true;
1000                         break;
1001
1002                 case OPT_VERBOSE:
1003                         if (strcmp("class", opt_arg) == 0) {
1004                                 opt_verboseclass = true;
1005                         }
1006                         else if (strcmp("gc", opt_arg) == 0) {
1007                                 opt_verbosegc = true;
1008                         }
1009                         else if (strcmp("jni", opt_arg) == 0) {
1010                                 opt_verbosejni = true;
1011                         }
1012 #if !defined(NDEBUG)
1013                         else if (strcmp("jit", opt_arg) == 0) {
1014                                 opt_verbose = true;
1015                                 loadverbose = true;
1016                                 initverbose = true;
1017                                 compileverbose = true;
1018                         }
1019 #endif
1020                         else {
1021                                 printf("Unknown -verbose option: %s\n", opt_arg);
1022                                 usage();
1023                         }
1024                         break;
1025
1026                 case OPT_DEBUGCOLOR:
1027                         opt_debugcolor = true;
1028                         break;
1029
1030 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1031                 case OPT_VERBOSETC:
1032                         opt_typecheckverbose = true;
1033                         break;
1034 #endif
1035
1036                 case OPT_VERSION:
1037                         opt_version = true;
1038                         opt_exit    = true;
1039                         break;
1040
1041                 case OPT_FULLVERSION:
1042                         fullversion();
1043                         break;
1044
1045                 case OPT_SHOWVERSION:
1046                         opt_version = true;
1047                         break;
1048
1049                 case OPT_NOIEEE:
1050                         opt_noieee = true;
1051                         break;
1052
1053 #if defined(ENABLE_VERIFIER)
1054                 case OPT_NOVERIFY:
1055                         opt_verify = false;
1056                         break;
1057 #endif
1058
1059 #if defined(ENABLE_STATISTICS)
1060                 case OPT_TIME:
1061                         opt_getcompilingtime = true;
1062                         opt_getloadingtime = true;
1063                         break;
1064
1065                 case OPT_STAT:
1066                         opt_stat = true;
1067                         break;
1068 #endif
1069
1070                 case OPT_LOG:
1071                         log_init(opt_arg);
1072                         break;
1073
1074                 case OPT_CHECK:
1075                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
1076                                 switch (opt_arg[i]) {
1077                                 case 'b':
1078                                         checkbounds = false;
1079                                         break;
1080                                 case 's':
1081                                         checksync = false;
1082                                         break;
1083                                 default:
1084                                         usage();
1085                                 }
1086                         }
1087                         break;
1088
1089                 case OPT_LOAD:
1090                         opt_run = false;
1091                         makeinitializations = false;
1092                         break;
1093
1094 #if !defined(NDEBUG)
1095                 case OPT_ALL:
1096                         compileall = true;
1097                         opt_run = false;
1098                         makeinitializations = false;
1099                         break;
1100
1101                 case OPT_METHOD:
1102                         opt_run = false;
1103                         opt_method = opt_arg;
1104                         makeinitializations = false;
1105                         break;
1106
1107                 case OPT_SIGNATURE:
1108                         opt_signature = opt_arg;
1109                         break;
1110 #endif
1111
1112                 case OPT_SHOW:       /* Display options */
1113                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
1114                                 switch (opt_arg[i]) {
1115                                 case 'c':
1116                                         showconstantpool = true;
1117                                         break;
1118
1119                                 case 'u':
1120                                         showutf = true;
1121                                         break;
1122
1123                                 case 'm':
1124                                         showmethods = true;
1125                                         break;
1126
1127                                 case 'i':
1128                                         opt_showintermediate = true;
1129                                         compileverbose = true;
1130                                         break;
1131
1132 #if defined(ENABLE_DISASSEMBLER)
1133                                 case 'a':
1134                                         opt_showdisassemble = true;
1135                                         compileverbose = true;
1136                                         break;
1137 #endif
1138
1139                                 case 'd':
1140                                         opt_showddatasegment = true;
1141                                         break;
1142
1143                                 default:
1144                                         usage();
1145                                 }
1146                         }
1147                         break;
1148
1149 #if defined(ENABLE_LOOP)
1150                 case OPT_OLOOP:
1151                         opt_loops = true;
1152                         break;
1153 #endif
1154
1155 #if defined(ENABLE_IFCONV)
1156                 case OPT_IFCONV:
1157                         opt_ifconv = true;
1158                         break;
1159 #endif
1160
1161 #if defined(ENABLE_LSRA)
1162                 case OPT_LSRA:
1163                         opt_lsra = true;
1164                         break;
1165 #endif
1166 #if  defined(ENABLE_SSA)
1167                 case OPT_LSRA:
1168                         opt_lsra = true;
1169                         for (unsigned int i = 0; i < strlen(opt_arg); i++) {
1170                                 switch (opt_arg[i]) {
1171                                 case 'c':
1172                                         opt_ssa_cp = true;
1173                                         break;
1174
1175                                 case 'd':
1176                                         opt_ssa_dce = true;
1177                                         break;
1178
1179                                 case ':':
1180                                         break;
1181
1182                                 default:
1183                                         usage();
1184                                 }
1185                         }
1186                         break;
1187 #endif
1188
1189                 case OPT_HELP:
1190                         usage();
1191                         break;
1192
1193                 case OPT_X:
1194                         Xusage();
1195                         break;
1196
1197                 case OPT_XX:
1198                         /* Already parsed. */
1199                         break;
1200
1201                 case OPT_EA:
1202 #if defined(ENABLE_ASSERTION)
1203                         assertion_ea_da(opt_arg, true);
1204 #endif
1205                         break;
1206
1207                 case OPT_DA:
1208 #if defined(ENABLE_ASSERTION)
1209                         assertion_ea_da(opt_arg, false);
1210 #endif
1211                         break;
1212
1213                 case OPT_EA_NOARG:
1214 #if defined(ENABLE_ASSERTION)
1215                         assertion_user_enabled = true;
1216 #endif
1217                         break;
1218
1219                 case OPT_DA_NOARG:
1220 #if defined(ENABLE_ASSERTION)
1221                         assertion_user_enabled = false;
1222 #endif
1223                         break;
1224
1225                 case OPT_ESA:
1226 #if defined(ENABLE_ASSERTION)
1227                         assertion_system_enabled = true;
1228 #endif
1229                         break;
1230
1231                 case OPT_DSA:
1232 #if defined(ENABLE_ASSERTION)
1233                         assertion_system_enabled = false;
1234 #endif
1235                         break;
1236
1237 #if defined(ENABLE_PROFILING)
1238                 case OPT_PROF_OPTION:
1239                         /* use <= to get the last \0 too */
1240
1241                         for (unsigned int i = 0, j = 0; i <= strlen(opt_arg); i++) {
1242                                 if (opt_arg[i] == ',')
1243                                         opt_arg[i] = '\0';
1244
1245                                 if (opt_arg[i] == '\0') {
1246                                         if (strcmp("bb", opt_arg + j) == 0)
1247                                                 opt_prof_bb = true;
1248
1249                                         else {
1250                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1251                                                 usage();
1252                                         }
1253
1254                                         /* set k to next char */
1255
1256                                         j = i + 1;
1257                                 }
1258                         }
1259                         /* fall through */
1260
1261                 case OPT_PROF:
1262                         opt_prof = true;
1263                         break;
1264 #endif
1265
1266                 case OPT_JIT:
1267 #if defined(ENABLE_JIT)
1268                         opt_jit = true;
1269 #else
1270                         printf("-Xjit option not enabled.\n");
1271                         exit(1);
1272 #endif
1273                         break;
1274
1275                 case OPT_INTRP:
1276 #if defined(ENABLE_INTRP)
1277                         opt_intrp = true;
1278 #else
1279                         printf("-Xint option not enabled.\n");
1280                         exit(1);
1281 #endif
1282                         break;
1283
1284 #if defined(ENABLE_INTRP)
1285                 case OPT_STATIC_SUPERS:
1286                         opt_static_supers = atoi(opt_arg);
1287                         break;
1288
1289                 case OPT_NO_DYNAMIC:
1290                         opt_no_dynamic = true;
1291                         break;
1292
1293                 case OPT_NO_REPLICATION:
1294                         opt_no_replication = true;
1295                         break;
1296
1297                 case OPT_NO_QUICKSUPER:
1298                         opt_no_quicksuper = true;
1299                         break;
1300
1301                 case OPT_TRACE:
1302                         vm_debug = true;
1303                         break;
1304 #endif
1305
1306 #if defined(ENABLE_DEBUG_FILTER)
1307                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1308                         opt_filter_verbosecall_include = opt_arg;
1309                         break;
1310
1311                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1312                         opt_filter_verbosecall_exclude = opt_arg;
1313                         break;
1314
1315                 case OPT_FILTER_SHOW_METHOD:
1316                         opt_filter_show_method = opt_arg;
1317                         break;
1318
1319 #endif
1320                 default:
1321                         printf("Unknown option: %s\n",
1322                                    vm_args->options[opt_index].optionString);
1323                         usage();
1324                 }
1325         }
1326
1327         // Print the preliminary run-time VM configuration after options
1328         // are parsed.
1329         if (opt_PrintConfig)
1330                 print_run_time_config();
1331
1332 #if defined(ENABLE_JVMTI)
1333         if (jvmti) {
1334                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1335                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1336
1337                 if (jdwp)
1338                         MFREE(agentarg, char, strlen(agentarg));
1339
1340                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1341         }
1342 #endif
1343
1344         /* initialize the garbage collector */
1345
1346         gc_init(opt_heapmaxsize, opt_heapstartsize);
1347
1348 #if defined(ENABLE_THREADS)
1349         /* BEFORE: threads_preinit */
1350
1351         threadlist_init();
1352
1353         /* AFTER: gc_init */
1354
1355         threads_preinit();
1356         lock_init();
1357 #endif
1358
1359         /* install architecture dependent signal handlers */
1360
1361         if (!signal_init())
1362                 VM::get_current()->abort("vm_create: signal_init failed");
1363
1364 #if defined(ENABLE_INTRP)
1365         /* Allocate main thread stack on the Java heap. */
1366
1367         if (opt_intrp) {
1368                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1369                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1370         }
1371 #endif
1372
1373         /* AFTER: threads_preinit */
1374
1375         if (!string_init())
1376                 VM::get_current()->abort("vm_create: string_init failed");
1377
1378         /* AFTER: threads_preinit */
1379
1380         utf8_init();
1381
1382         /* AFTER: thread_preinit */
1383
1384         if (!suck_init())
1385                 VM::get_current()->abort("vm_create: suck_init failed");
1386
1387         suck_add_from_property("java.endorsed.dirs");
1388
1389         /* Now we have all options handled and we can print the version
1390            information.
1391
1392            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1393
1394         if (opt_version)
1395                 version(opt_exit);
1396
1397         /* AFTER: utf8_init */
1398
1399         // FIXME Make boot_class_path const char*.
1400         boot_class_path = (char*) properties_get("sun.boot.class.path");
1401         suck_add(boot_class_path);
1402
1403         /* initialize the classcache hashtable stuff: lock, hashtable
1404            (must be done _after_ threads_preinit) */
1405
1406         if (!classcache_init())
1407                 VM::get_current()->abort("vm_create: classcache_init failed");
1408
1409         /* Initialize the code memory management. */
1410         /* AFTER: threads_preinit */
1411
1412         codememory_init();
1413
1414         /* initialize the finalizer stuff (must be done _after_
1415            threads_preinit) */
1416
1417         if (!finalizer_init())
1418                 VM::get_current()->abort("vm_create: finalizer_init failed");
1419
1420         /* Initialize the JIT compiler. */
1421
1422         jit_init();
1423         code_init();
1424         methodtree_init();
1425
1426 #if defined(ENABLE_PYTHON)
1427         pythonpass_init();
1428 #endif
1429
1430         /* AFTER: utf8_init, classcache_init */
1431
1432         loader_preinit();
1433         linker_preinit();
1434
1435         // AFTER: loader_preinit, linker_preinit
1436         Primitive::initialize_table();
1437
1438         loader_init();
1439         linker_init();
1440
1441         // AFTER: loader_init, linker_init
1442         Primitive::post_initialize_table();
1443         method_init();
1444
1445 #if defined(ENABLE_JIT)
1446         trap_init();
1447 #endif
1448
1449         if (!builtin_init())
1450                 VM::get_current()->abort("vm_create: builtin_init failed");
1451
1452         /* Initialize the native subsystem. */
1453         /* BEFORE: threads_init */
1454
1455         if (!native_init())
1456                 VM::get_current()->abort("vm_create: native_init failed");
1457
1458         /* Register the native methods implemented in the VM. */
1459         /* BEFORE: threads_init */
1460
1461         nativevm_preinit();
1462
1463 #if defined(ENABLE_JNI)
1464         /* Initialize the JNI subsystem (must be done _before_
1465            threads_init, as threads_init can call JNI methods
1466            (e.g. NewGlobalRef). */
1467
1468         if (!jni_init())
1469                 VM::get_current()->abort("vm_create: jni_init failed");
1470 #endif
1471
1472 #if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
1473         /* Initialize the local reference table for the main thread. */
1474         /* BEFORE: threads_init */
1475
1476         if (!localref_table_init())
1477                 VM::get_current()->abort("vm_create: localref_table_init failed");
1478 #endif
1479
1480         /* Iinitialize some important system classes. */
1481         /* BEFORE: threads_init */
1482
1483         initialize_init();
1484
1485 #if defined(ENABLE_THREADS)
1486         threads_init();
1487 #endif
1488
1489         /* Initialize the native VM subsystem. */
1490         /* AFTER: threads_init (at least for SUN's classes) */
1491
1492         nativevm_init();
1493
1494 #if defined(ENABLE_PROFILING)
1495         /* initialize profiling */
1496
1497         if (!profile_init())
1498                 VM::get_current()->abort("vm_create: profile_init failed");
1499 #endif
1500
1501 #if defined(ENABLE_THREADS)
1502         /* initialize recompilation */
1503
1504         if (!recompile_init())
1505                 VM::get_current()->abort("vm_create: recompile_init failed");
1506
1507         /* start the signal handler thread */
1508
1509 #if defined(__LINUX__)
1510         /* XXX Remove for exact-GC. */
1511         if (threads_pthreads_implementation_nptl)
1512 #endif
1513                 if (!signal_start_thread())
1514                         VM::get_current()->abort("vm_create: signal_start_thread failed");
1515
1516         /* finally, start the finalizer thread */
1517
1518         if (!finalizer_start_thread())
1519                 VM::get_current()->abort("vm_create: finalizer_start_thread failed");
1520
1521 # if !defined(NDEBUG)
1522         /* start the memory profiling thread */
1523
1524         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1525                 if (!memory_start_thread())
1526                         VM::get_current()->abort("vm_create: memory_start_thread failed");
1527 # endif
1528
1529         /* start the recompilation thread (must be done before the
1530            profiling thread) */
1531
1532         if (!recompile_start_thread())
1533                 VM::get_current()->abort("vm_create: recompile_start_thread failed");
1534
1535 # if defined(ENABLE_PROFILING)
1536         /* start the profile sampling thread */
1537
1538 /*      if (opt_prof) */
1539 /*              if (!profile_start_thread()) */
1540 /*                      VM::get_current()->abort("vm_create: profile_start_thread failed"); */
1541 # endif
1542 #endif
1543
1544 #if defined(ENABLE_JVMTI)
1545 # if defined(ENABLE_GC_CACAO)
1546         /* XXX this will not work with the new indirection cells for classloaders!!! */
1547         assert(0);
1548 # endif
1549         if (jvmti) {
1550                 /* add agent library to native library hashtable */
1551                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1552         }
1553 #endif
1554
1555         /* Increment the number of VMs. */
1556
1557         vms++;
1558
1559         // Initialization is done, VM is created.
1560         _created      = true;
1561         _initializing = false;
1562
1563         // Print the run-time VM configuration after all stuff is set and
1564         // the VM is initialized.
1565         if (opt_PrintConfig)
1566                 print_run_time_config();
1567 }
1568
1569
1570 /**
1571  * Print build-time (default) VM configuration.
1572  */
1573 void VM::print_build_time_config(void)
1574 {
1575         puts("CACAO "VERSION" configure/build options:");
1576         puts("");
1577         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
1578 #if defined(__VERSION__)
1579         puts("  CC         : "VERSION_CC" ("__VERSION__")");
1580         puts("  CXX        : "VERSION_CXX" ("__VERSION__")");
1581 #else
1582         puts("  CC         : "VERSION_CC"");
1583         puts("  CXX        : "VERSION_CXX"");
1584 #endif
1585         puts("  CFLAGS     : "VERSION_CFLAGS"");
1586         puts("  CXXFLAGS   : "VERSION_CXXFLAGS"");
1587
1588         puts("");
1589
1590         puts("Build-time (default) variables:\n");
1591         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
1592         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
1593         printf("  stack size                     : %d\n", STACK_SIZE);
1594
1595 #if defined(ENABLE_JRE_LAYOUT)
1596         // When we're building with JRE-layout, the default paths are the
1597         // same as the runtime paths.
1598 #else
1599 # if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
1600         puts("  gnu.classpath.boot.library.path: "JAVA_RUNTIME_LIBRARY_LIBDIR);
1601         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"JAVA_RUNTIME_LIBRARY_CLASSES"");
1602 # elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
1603         puts("  sun.boot.library.path          : "JAVA_RUNTIME_LIBRARY_LIBDIR);
1604         puts("  java.boot.class.path           : "JAVA_RUNTIME_LIBRARY_CLASSES);
1605 # endif
1606 #endif
1607
1608         puts("");
1609 }
1610
1611
1612 /**
1613  * Print run-time VM configuration.
1614  */
1615 void VM::print_run_time_config(void)
1616 {
1617         puts("Run-time variables:\n");
1618         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
1619         printf("  initial heap size              : %d\n", opt_heapstartsize);
1620         printf("  stack size                     : %d\n", opt_stacksize);
1621
1622 #if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
1623         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
1624 #elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
1625         printf("  sun.boot.library.path          : %s\n", properties_get("sun.boot.library.path"));
1626 #endif
1627
1628         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
1629         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
1630
1631         puts("");
1632 }
1633
1634
1635 /* vm_run **********************************************************************
1636
1637    Runs the main-method of the passed class.
1638
1639 *******************************************************************************/
1640
1641 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1642 {
1643         char*                      option;
1644         char*                      mainname;
1645         char*                      p;
1646         utf                       *mainutf;
1647         classinfo                 *mainclass;
1648         java_handle_t             *e;
1649         methodinfo                *m;
1650         java_handle_objectarray_t *oa;
1651         s4                         oalength;
1652         utf                       *u;
1653         java_handle_t             *s;
1654         int                        status;
1655
1656         // Prevent compiler warnings.
1657         oa = NULL;
1658
1659 #if !defined(NDEBUG)
1660         if (compileall) {
1661                 vm_compile_all();
1662                 return;
1663         }
1664 #endif
1665
1666         /* Get the main class plus it's arguments. */
1667
1668         mainname = NULL;
1669
1670         if (opt_index < vm_args->nOptions) {
1671                 /* Get main-class argument. */
1672
1673                 mainname = vm_args->options[opt_index].optionString;
1674
1675                 /* If the main class argument is a jar file, put it into the
1676                    classpath. */
1677
1678                 if (opt_jar == true) {
1679                         p = MNEW(char, strlen(mainname) + strlen("0"));
1680
1681                         strcpy(p, mainname);
1682
1683 #if defined(ENABLE_JAVASE)
1684                         properties_add("java.class.path", p);
1685 #endif
1686                 }
1687                 else {
1688                         /* Replace dots with slashes in the class name. */
1689
1690                         for (unsigned int i = 0; i < strlen(mainname); i++)
1691                                 if (mainname[i] == '.')
1692                                         mainname[i] = '/';
1693                 }
1694
1695                 /* Build argument array.  Move index to first argument. */
1696
1697                 opt_index++;
1698
1699                 oalength = vm_args->nOptions - opt_index;
1700
1701                 oa = builtin_anewarray(oalength, class_java_lang_String);
1702
1703                 for (int i = 0; i < oalength; i++) {
1704                         option = vm_args->options[opt_index + i].optionString;
1705
1706                         u = utf_new_char(option);
1707                         s = javastring_new(u);
1708
1709                         array_objectarray_element_set(oa, i, s);
1710                 }
1711         }
1712
1713         /* Do we have a main-class argument? */
1714
1715         if (mainname == NULL)
1716                 usage();
1717
1718 #if !defined(NDEBUG)
1719         if (opt_method != NULL) {
1720                 vm_compile_method(mainname);
1721                 return;
1722         }
1723 #endif
1724
1725         /* set return value to OK */
1726
1727         status = 0;
1728
1729         if (opt_jar == true) {
1730                 /* open jar file with java.util.jar.JarFile */
1731
1732                 mainname = vm_get_mainclass_from_jar(mainname);
1733
1734                 if (mainname == NULL)
1735                         vm_exit(1);
1736         }
1737
1738         /* load the main class */
1739
1740         mainutf = utf_new_char(mainname);
1741
1742 #if defined(ENABLE_JAVAME_CLDC1_1)
1743         mainclass = load_class_bootstrap(mainutf);
1744 #else
1745         mainclass = load_class_from_sysloader(mainutf);
1746 #endif
1747
1748         /* error loading class */
1749
1750         e = exceptions_get_and_clear_exception();
1751
1752         if ((e != NULL) || (mainclass == NULL)) {
1753                 exceptions_throw_noclassdeffounderror_cause(e);
1754                 exceptions_print_stacktrace();
1755                 vm_exit(1);
1756         }
1757
1758         if (!link_class(mainclass)) {
1759                 exceptions_print_stacktrace();
1760                 vm_exit(1);
1761         }
1762
1763         /* find the `main' method of the main class */
1764
1765         m = class_resolveclassmethod(mainclass,
1766                                                                  utf_new_char("main"),
1767                                                                  utf_new_char("([Ljava/lang/String;)V"),
1768                                                                  class_java_lang_Object,
1769                                                                  false);
1770
1771         if (exceptions_get_exception()) {
1772                 exceptions_print_stacktrace();
1773                 vm_exit(1);
1774         }
1775
1776         /* there is no main method or it isn't static */
1777
1778         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1779                 exceptions_clear_exception();
1780                 exceptions_throw_nosuchmethoderror(mainclass,
1781                                                                                    utf_new_char("main"),
1782                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1783
1784                 exceptions_print_stacktrace();
1785                 vm_exit(1);
1786         }
1787
1788 #ifdef TYPEINFO_DEBUG_TEST
1789         /* test the typeinfo system */
1790         typeinfo_test();
1791 #endif
1792
1793 #if defined(ENABLE_JVMTI)
1794         jvmti_set_phase(JVMTI_PHASE_LIVE);
1795 #endif
1796
1797         /* set ThreadMXBean variables */
1798
1799 //      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1800 //      _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1801
1802 //      if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1803 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1804 //              _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1805 //                      _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1806 #warning Move to C++
1807
1808         /* start the main thread */
1809
1810         (void) vm_call_method(m, NULL, oa);
1811
1812         /* exception occurred? */
1813
1814         if (exceptions_get_exception()) {
1815                 exceptions_print_stacktrace();
1816                 status = 1;
1817         }
1818
1819 #if defined(ENABLE_THREADS)
1820     /* Detach the main thread so that it appears to have ended when
1821            the application's main method exits. */
1822
1823         if (!thread_detach_current_thread())
1824                 VM::get_current()->abort("vm_run: Could not detach main thread.");
1825 #endif
1826
1827         /* Destroy the JavaVM. */
1828
1829         (void) vm_destroy(vm);
1830
1831         /* And exit. */
1832
1833         vm_exit(status);
1834 }
1835
1836
1837 /* vm_destroy ******************************************************************
1838
1839    Unloads a Java VM and reclaims its resources.
1840
1841 *******************************************************************************/
1842
1843 int vm_destroy(JavaVM *vm)
1844 {
1845 #if defined(ENABLE_THREADS)
1846         /* Create a a trivial new Java waiter thread called
1847            "DestroyJavaVM". */
1848
1849         JavaVMAttachArgs args;
1850
1851         args.name  = (char*) "DestroyJavaVM";
1852         args.group = NULL;
1853
1854         if (!thread_attach_current_thread(&args, false))
1855                 return 1;
1856
1857         /* Wait until we are the last non-daemon thread. */
1858
1859         threads_join_all_threads();
1860 #endif
1861
1862         /* VM is gone. */
1863
1864 //      _created = false;
1865 #warning Move to C++
1866
1867         /* Everything is ok. */
1868
1869         return 0;
1870 }
1871
1872
1873 /* vm_exit *********************************************************************
1874
1875    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1876
1877 *******************************************************************************/
1878
1879 void vm_exit(s4 status)
1880 {
1881         methodinfo *m;
1882
1883         /* signal that we are exiting */
1884
1885 //      _exiting = true;
1886 #warning Move to C++
1887
1888         assert(class_java_lang_System);
1889         assert(class_java_lang_System->state & CLASS_LOADED);
1890
1891 #if defined(ENABLE_JVMTI)
1892         if (jvmti || (dbgcom!=NULL)) {
1893                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1894                 if (jvmti) jvmti_agentunload();
1895         }
1896 #endif
1897
1898         if (!link_class(class_java_lang_System)) {
1899                 exceptions_print_stacktrace();
1900                 exit(1);
1901         }
1902
1903         /* call java.lang.System.exit(I)V */
1904
1905         m = class_resolveclassmethod(class_java_lang_System,
1906                                                                  utf_new_char("exit"),
1907                                                                  utf_int__void,
1908                                                                  class_java_lang_Object,
1909                                                                  true);
1910
1911         if (m == NULL) {
1912                 exceptions_print_stacktrace();
1913                 exit(1);
1914         }
1915
1916         /* call the exit function with passed exit status */
1917
1918         (void) vm_call_method(m, NULL, status);
1919
1920         /* If we had an exception, just ignore the exception and exit with
1921            the proper code. */
1922
1923         vm_shutdown(status);
1924 }
1925
1926
1927 /* vm_shutdown *****************************************************************
1928
1929    Terminates the system immediately without freeing memory explicitly
1930    (to be used only for abnormal termination).
1931
1932 *******************************************************************************/
1933
1934 void vm_shutdown(s4 status)
1935 {
1936         if (opt_verbose
1937 #if defined(ENABLE_STATISTICS)
1938                 || opt_getcompilingtime || opt_stat
1939 #endif
1940            )
1941         {
1942                 log_text("CACAO terminated by shutdown");
1943                 dolog("Exit status: %d\n", (s4) status);
1944
1945         }
1946
1947 #if defined(ENABLE_JVMTI)
1948         /* terminate cacaodbgserver */
1949         if (dbgcom!=NULL) {
1950                 mutex_lock(&dbgcomlock);
1951                 dbgcom->running=1;
1952                 mutex_unlock(&dbgcomlock);
1953                 jvmti_cacaodbgserver_quit();
1954         }
1955 #endif
1956
1957         exit(status);
1958 }
1959
1960
1961 /* vm_exit_handler *************************************************************
1962
1963    The exit_handler function is called upon program termination.
1964
1965    ATTENTION: Don't free system resources here! Some threads may still
1966    be running as this is called from VMRuntime.exit(). The OS does the
1967    cleanup for us.
1968
1969 *******************************************************************************/
1970
1971 void vm_exit_handler(void)
1972 {
1973 #if !defined(NDEBUG)
1974         if (showmethods)
1975                 class_showmethods(mainclass);
1976
1977         if (showconstantpool)
1978                 class_showconstantpool(mainclass);
1979
1980         if (showutf)
1981                 utf_show();
1982
1983 # if defined(ENABLE_PROFILING)
1984         if (opt_prof)
1985                 profile_printstats();
1986 # endif
1987 #endif /* !defined(NDEBUG) */
1988
1989 #if defined(ENABLE_RT_TIMING)
1990         rt_timing_print_time_stats(stderr);
1991 #endif
1992
1993 #if defined(ENABLE_CYCLES_STATS)
1994         builtin_print_cycles_stats(stderr);
1995         stacktrace_print_cycles_stats(stderr);
1996 #endif
1997
1998         if (opt_verbose
1999 #if defined(ENABLE_STATISTICS)
2000                 || opt_getcompilingtime || opt_stat
2001 #endif
2002            )
2003         {
2004                 log_text("CACAO terminated");
2005
2006 #if defined(ENABLE_STATISTICS)
2007                 if (opt_stat) {
2008                         print_stats();
2009 #ifdef TYPECHECK_STATISTICS
2010                         typecheck_print_statistics(get_logfile());
2011 #endif
2012                 }
2013
2014                 if (opt_getcompilingtime)
2015                         print_times();
2016 #endif /* defined(ENABLE_STATISTICS) */
2017         }
2018         /* vm_print_profile(stderr);*/
2019 }
2020
2021
2022 /**
2023  * Prints an error message and aborts the VM.
2024  *
2025  * @param text Error message to print.
2026  */
2027 void VM::abort(const char* text, ...)
2028 {
2029         va_list ap;
2030
2031         // Print the log message.
2032         log_start();
2033
2034         va_start(ap, text);
2035         log_vprint(text, ap);
2036         va_end(ap);
2037
2038         log_finish();
2039
2040         // Print a backtrace.
2041         os::print_backtrace();
2042
2043         // Now abort the VM.
2044         os::abort();
2045 }
2046
2047
2048 /**
2049  * Prints an error message, appends ":" plus the strerror-message of
2050  * errnum and aborts the VM.
2051  *
2052  * @param errnum Error number.
2053  * @param text   Error message to print.
2054  */
2055 void VM::abort_errnum(int errnum, const char* text, ...)
2056 {
2057         va_list ap;
2058
2059         // Print the log message.
2060         log_start();
2061
2062         va_start(ap, text);
2063         log_vprint(text, ap);
2064         va_end(ap);
2065
2066         // Print the strerror-message of errnum.
2067         log_print(": %s", os::strerror(errnum));
2068
2069         log_finish();
2070
2071         // Print a backtrace.
2072         os::print_backtrace();
2073
2074         // Now abort the VM.
2075         os::abort();
2076 }
2077
2078
2079 /**
2080  * Equal to VM::abort_errnum, but uses errno to get the error number.
2081  *
2082  * @param text Error message to print.
2083  */
2084 void VM::abort_errno(const char* text, ...)
2085 {
2086         va_list ap;
2087
2088         va_start(ap, text);
2089         abort_errnum(errno, text, ap);
2090         va_end(ap);
2091 }
2092
2093
2094 /* vm_abort_disassemble ********************************************************
2095
2096    Prints an error message, disassemble the given code range (if
2097    enabled) and aborts the VM.
2098
2099    IN:
2100        pc.......PC to disassemble
2101            count....number of instructions to disassemble
2102
2103 *******************************************************************************/
2104
2105 void vm_abort_disassemble(void *pc, int count, const char *text, ...)
2106 {
2107         va_list ap;
2108 #if defined(ENABLE_DISASSEMBLER)
2109         int     i;
2110 #endif
2111
2112         /* Print debug message. */
2113
2114         log_start();
2115
2116         va_start(ap, text);
2117         log_vprint(text, ap);
2118         va_end(ap);
2119
2120         log_finish();
2121
2122         /* Print the PC. */
2123
2124 #if SIZEOF_VOID_P == 8
2125         log_println("PC=0x%016lx", pc);
2126 #else
2127         log_println("PC=0x%08x", pc);
2128 #endif
2129
2130 #if defined(ENABLE_DISASSEMBLER)
2131         log_println("machine instructions at PC:");
2132
2133         /* Disassemble the given number of instructions. */
2134
2135         for (i = 0; i < count; i++)
2136                 // FIXME disassinstr should use void*.
2137                 pc = disassinstr((u1*) pc);
2138 #endif
2139
2140         VM::get_current()->abort("Aborting...");
2141 }
2142
2143
2144 /* vm_get_mainclass_from_jar ***************************************************
2145
2146    Gets the name of the main class from a JAR's manifest file.
2147
2148 *******************************************************************************/
2149
2150 static char *vm_get_mainclass_from_jar(char *mainname)
2151 {
2152         classinfo     *c;
2153         java_handle_t *o;
2154         methodinfo    *m;
2155         java_handle_t *s;
2156
2157         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2158
2159         if (c == NULL) {
2160                 exceptions_print_stacktrace();
2161                 return NULL;
2162         }
2163
2164         /* create JarFile object */
2165
2166         o = builtin_new(c);
2167
2168         if (o == NULL) {
2169                 exceptions_print_stacktrace();
2170                 return NULL;
2171         }
2172
2173         m = class_resolveclassmethod(c,
2174                                                                  utf_init,
2175                                                                  utf_java_lang_String__void,
2176                                                                  class_java_lang_Object,
2177                                                                  true);
2178
2179         if (m == NULL) {
2180                 exceptions_print_stacktrace();
2181                 return NULL;
2182         }
2183
2184         s = javastring_new_from_ascii(mainname);
2185
2186         (void) vm_call_method(m, o, s);
2187
2188         if (exceptions_get_exception()) {
2189                 exceptions_print_stacktrace();
2190                 return NULL;
2191         }
2192
2193         /* get manifest object */
2194
2195         m = class_resolveclassmethod(c,
2196                                                                  utf_new_char("getManifest"),
2197                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2198                                                                  class_java_lang_Object,
2199                                                                  true);
2200
2201         if (m == NULL) {
2202                 exceptions_print_stacktrace();
2203                 return NULL;
2204         }
2205
2206         o = vm_call_method(m, o);
2207
2208         if (o == NULL) {
2209                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainname);
2210                 return NULL;
2211         }
2212
2213
2214         /* get Main Attributes */
2215
2216         LLNI_class_get(o, c);
2217
2218         m = class_resolveclassmethod(c,
2219                                                                  utf_new_char("getMainAttributes"),
2220                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2221                                                                  class_java_lang_Object,
2222                                                                  true);
2223
2224         if (m == NULL) {
2225                 exceptions_print_stacktrace();
2226                 return NULL;
2227         }
2228
2229         o = vm_call_method(m, o);
2230
2231         if (o == NULL) {
2232                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainname);
2233                 return NULL;
2234         }
2235
2236
2237         /* get property Main-Class */
2238
2239         LLNI_class_get(o, c);
2240
2241         m = class_resolveclassmethod(c,
2242                                                                  utf_new_char("getValue"),
2243                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2244                                                                  class_java_lang_Object,
2245                                                                  true);
2246
2247         if (m == NULL) {
2248                 exceptions_print_stacktrace();
2249                 return NULL;
2250         }
2251
2252         s = javastring_new_from_ascii("Main-Class");
2253
2254         o = vm_call_method(m, o, s);
2255
2256         if (o == NULL) {
2257                 fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
2258                 fprintf(stderr, "%s\n", mainname);
2259                 return NULL;
2260         }
2261
2262         return javastring_tochar(o);
2263 }
2264
2265
2266 /* vm_compile_all **************************************************************
2267
2268    Compile all methods found in the bootclasspath.
2269
2270 *******************************************************************************/
2271
2272 #if !defined(NDEBUG)
2273 static void vm_compile_all(void)
2274 {
2275         classinfo              *c;
2276         methodinfo             *m;
2277         u4                      slot;
2278         classcache_name_entry  *nmen;
2279         classcache_class_entry *clsen;
2280         s4                      i;
2281
2282         /* create all classes found in the bootclasspath */
2283         /* XXX currently only works with zip/jar's */
2284
2285         loader_load_all_classes();
2286
2287         /* link all classes */
2288
2289         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2290                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2291
2292                 for (; nmen; nmen = nmen->hashlink) {
2293                         /* iterate over all class entries */
2294
2295                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2296                                 c = clsen->classobj;
2297
2298                                 if (c == NULL)
2299                                         continue;
2300
2301                                 if (!(c->state & CLASS_LINKED)) {
2302                                         if (!link_class(c)) {
2303                                                 fprintf(stderr, "Error linking: ");
2304                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2305                                                 fprintf(stderr, "\n");
2306
2307                                                 /* print out exception and cause */
2308
2309                                                 exceptions_print_current_exception();
2310
2311                                                 /* goto next class */
2312
2313                                                 continue;
2314                                         }
2315                                 }
2316
2317                                 /* compile all class methods */
2318
2319                                 for (i = 0; i < c->methodscount; i++) {
2320                                         m = &(c->methods[i]);
2321
2322                                         if (m->jcode != NULL) {
2323                                                 if (!jit_compile(m)) {
2324                                                         fprintf(stderr, "Error compiling: ");
2325                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2326                                                         fprintf(stderr, ".");
2327                                                         utf_fprint_printable_ascii(stderr, m->name);
2328                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2329                                                         fprintf(stderr, "\n");
2330
2331                                                         /* print out exception and cause */
2332
2333                                                         exceptions_print_current_exception();
2334                                                 }
2335                                         }
2336                                 }
2337                         }
2338                 }
2339         }
2340 }
2341 #endif /* !defined(NDEBUG) */
2342
2343
2344 /* vm_compile_method ***********************************************************
2345
2346    Compile a specific method.
2347
2348 *******************************************************************************/
2349
2350 #if !defined(NDEBUG)
2351 static void vm_compile_method(char* mainname)
2352 {
2353         methodinfo *m;
2354
2355         /* create, load and link the main class */
2356
2357         mainclass = load_class_bootstrap(utf_new_char(mainname));
2358
2359         if (mainclass == NULL)
2360                 exceptions_print_stacktrace();
2361
2362         if (!link_class(mainclass))
2363                 exceptions_print_stacktrace();
2364
2365         if (opt_signature != NULL) {
2366                 m = class_resolveclassmethod(mainclass,
2367                                                                          utf_new_char(opt_method),
2368                                                                          utf_new_char(opt_signature),
2369                                                                          mainclass,
2370                                                                          false);
2371         }
2372         else {
2373                 m = class_resolveclassmethod(mainclass,
2374                                                                          utf_new_char(opt_method),
2375                                                                          NULL,
2376                                                                          mainclass,
2377                                                                          false);
2378         }
2379
2380         if (m == NULL)
2381                 VM::get_current()->abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2382                                  opt_method, opt_signature ? opt_signature : "");
2383
2384         jit_compile(m);
2385 }
2386 #endif /* !defined(NDEBUG) */
2387
2388
2389 /* vm_call_array ***************************************************************
2390
2391    Calls a Java method with a variable number of arguments, passed via
2392    an argument array.
2393
2394    ATTENTION: This function has to be used outside the nativeworld.
2395
2396 *******************************************************************************/
2397
2398 #define VM_CALL_ARRAY(name, type)                                 \
2399 static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
2400 {                                                                 \
2401         methoddesc *md;                                               \
2402         void       *pv;                                               \
2403         type        value;                                            \
2404                                                                   \
2405         assert(m->code != NULL);                                      \
2406                                                                   \
2407         md = m->parseddesc;                                           \
2408         pv = m->code->entrypoint;                                     \
2409                                                                   \
2410         STATISTICS(count_calls_native_to_java++);                     \
2411                                                                   \
2412         value = asm_vm_call_method##name(pv, array, md->memuse);      \
2413                                                                   \
2414         return value;                                                 \
2415 }
2416
2417 static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
2418 {
2419         methoddesc    *md;
2420         void          *pv;
2421         java_object_t *o;
2422
2423         assert(m->code != NULL);
2424
2425         md = m->parseddesc;
2426         pv = m->code->entrypoint;
2427
2428         STATISTICS(count_calls_native_to_java++);
2429
2430         o = asm_vm_call_method(pv, array, md->memuse);
2431
2432         if (md->returntype.type == TYPE_VOID)
2433                 o = NULL;
2434
2435         return LLNI_WRAP(o);
2436 }
2437
2438 VM_CALL_ARRAY(_int,    int32_t)
2439 VM_CALL_ARRAY(_long,   int64_t)
2440 VM_CALL_ARRAY(_float,  float)
2441 VM_CALL_ARRAY(_double, double)
2442
2443
2444 /* vm_call_method **************************************************************
2445
2446    Calls a Java method with a variable number of arguments.
2447
2448 *******************************************************************************/
2449
2450 #define VM_CALL_METHOD(name, type)                                  \
2451 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2452 {                                                                   \
2453         va_list ap;                                                     \
2454         type    value;                                                  \
2455                                                                     \
2456         va_start(ap, o);                                                \
2457         value = vm_call_method##name##_valist(m, o, ap);                \
2458         va_end(ap);                                                     \
2459                                                                     \
2460         return value;                                                   \
2461 }
2462
2463 VM_CALL_METHOD(,        java_handle_t *)
2464 VM_CALL_METHOD(_int,    int32_t)
2465 VM_CALL_METHOD(_long,   int64_t)
2466 VM_CALL_METHOD(_float,  float)
2467 VM_CALL_METHOD(_double, double)
2468
2469
2470 /* vm_call_method_valist *******************************************************
2471
2472    Calls a Java method with a variable number of arguments, passed via
2473    a va_list.
2474
2475 *******************************************************************************/
2476
2477 #define VM_CALL_METHOD_VALIST(name, type)                               \
2478 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2479                                                                    va_list ap)                          \
2480 {                                                                       \
2481         uint64_t *array;                                                    \
2482         type      value;                                                    \
2483                                                                         \
2484         if (m->code == NULL)                                                \
2485                 if (!jit_compile(m))                                            \
2486                         return 0;                                                   \
2487                                                                         \
2488         THREAD_NATIVEWORLD_EXIT;                                            \
2489                                                                                                                                                 \
2490         DumpMemoryArea dma;                                                                                                     \
2491                                                                         \
2492         array = argument_vmarray_from_valist(m, o, ap);                     \
2493         value = vm_call##name##_array(m, array);                            \
2494                                                                         \
2495         THREAD_NATIVEWORLD_ENTER;                                           \
2496                                                                         \
2497         return value;                                                       \
2498 }
2499
2500 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2501 VM_CALL_METHOD_VALIST(_int,    int32_t)
2502 VM_CALL_METHOD_VALIST(_long,   int64_t)
2503 VM_CALL_METHOD_VALIST(_float,  float)
2504 VM_CALL_METHOD_VALIST(_double, double)
2505
2506
2507 /* vm_call_method_jvalue *******************************************************
2508
2509    Calls a Java method with a variable number of arguments, passed via
2510    a jvalue array.
2511
2512 *******************************************************************************/
2513
2514 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2515 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2516                                                            const jvalue *args)                  \
2517 {                                                                       \
2518         uint64_t *array;                                                    \
2519         type      value;                                                    \
2520                                                                         \
2521         if (m->code == NULL)                                                \
2522                 if (!jit_compile(m))                                            \
2523                         return 0;                                                   \
2524                                                                         \
2525         THREAD_NATIVEWORLD_EXIT;                                            \
2526                                                                                                                                                 \
2527         DumpMemoryArea dma;                                                                                                     \
2528                                                                         \
2529         array = argument_vmarray_from_jvalue(m, o, args);                   \
2530         value = vm_call##name##_array(m, array);                            \
2531                                                                         \
2532         THREAD_NATIVEWORLD_ENTER;                                           \
2533                                                                         \
2534         return value;                                                       \
2535 }
2536
2537 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2538 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2539 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2540 VM_CALL_METHOD_JVALUE(_float,  float)
2541 VM_CALL_METHOD_JVALUE(_double, double)
2542
2543
2544 /* vm_call_method_objectarray **************************************************
2545
2546    Calls a Java method with a variable number if arguments, passed via
2547    an objectarray of boxed values. Returns a boxed value.
2548
2549 *******************************************************************************/
2550
2551 java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
2552                                                                                   java_handle_objectarray_t *params)
2553 {
2554         uint64_t      *array;
2555         java_handle_t *xptr;
2556         java_handle_t *ro;
2557         imm_union      value;
2558
2559         /* Prevent compiler warnings. */
2560
2561         ro = NULL;
2562
2563         /* compile methods which are not yet compiled */
2564
2565         if (m->code == NULL)
2566                 if (!jit_compile(m))
2567                         return NULL;
2568
2569         /* leave the nativeworld */
2570
2571         THREAD_NATIVEWORLD_EXIT;
2572
2573         // Create new dump memory area.
2574         DumpMemoryArea dma;
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                 /* enter the nativeworld again */
2582
2583                 THREAD_NATIVEWORLD_ENTER;
2584
2585                 exceptions_throw_illegalargumentexception();
2586
2587                 return NULL;
2588         }
2589
2590         switch (m->parseddesc->returntype.primitivetype) {
2591         case PRIMITIVETYPE_VOID:
2592                 value.a = vm_call_array(m, array);
2593                 break;
2594
2595         case PRIMITIVETYPE_BOOLEAN:
2596         case PRIMITIVETYPE_BYTE:
2597         case PRIMITIVETYPE_CHAR:
2598         case PRIMITIVETYPE_SHORT:
2599         case PRIMITIVETYPE_INT:
2600                 value.i = vm_call_int_array(m, array);
2601                 break;
2602
2603         case PRIMITIVETYPE_LONG:
2604                 value.l = vm_call_long_array(m, array);
2605                 break;
2606
2607         case PRIMITIVETYPE_FLOAT:
2608                 value.f = vm_call_float_array(m, array);
2609                 break;
2610
2611         case PRIMITIVETYPE_DOUBLE:
2612                 value.d = vm_call_double_array(m, array);
2613                 break;
2614
2615         case TYPE_ADR:
2616                 ro = vm_call_array(m, array);
2617                 break;
2618
2619         default:
2620                 VM::get_current()->abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.primitivetype);
2621         }
2622
2623         /* enter the nativeworld again */
2624
2625         THREAD_NATIVEWORLD_ENTER;
2626
2627         /* box the return value if necesarry */
2628
2629         if (m->parseddesc->returntype.primitivetype != TYPE_ADR)
2630                 ro = Primitive::box(m->parseddesc->returntype.primitivetype, value);
2631
2632         /* check for an exception */
2633
2634         xptr = exceptions_get_exception();
2635
2636         if (xptr != NULL) {
2637                 /* clear exception pointer, we are calling JIT code again */
2638
2639                 exceptions_clear_exception();
2640
2641                 exceptions_throw_invocationtargetexception(xptr);
2642         }
2643
2644         return ro;
2645 }
2646
2647
2648 /* Legacy C interface *********************************************************/
2649
2650 extern "C" {
2651
2652 JavaVM* VM_get_javavm()      { return VM::get_current()->get_javavm(); }
2653 JNIEnv* VM_get_jnienv()      { return VM::get_current()->get_jnienv(); }
2654 bool    VM_is_initializing() { return VM::get_current()->is_initializing(); }
2655 bool    VM_is_created()      { return VM::get_current()->is_created(); }
2656 int64_t VM_get_starttime()   { return VM::get_current()->get_starttime(); }
2657
2658 void vm_abort(const char* text, ...)
2659 {
2660         va_list ap;
2661
2662         va_start(ap, text);
2663         VM::get_current()->abort(text, ap);
2664         va_end(ap);
2665 }
2666
2667 void vm_abort_errnum(int errnum, const char* text, ...)
2668 {
2669         va_list ap;
2670
2671         va_start(ap, text);
2672         VM::get_current()->abort_errnum(errnum, text, ap);
2673         va_end(ap);
2674 }
2675
2676 void vm_abort_errno(const char* text, ...)
2677 {
2678         va_list ap;
2679
2680         va_start(ap, text);
2681         VM::get_current()->abort_errno(text, ap);
2682         va_end(ap);
2683 }
2684
2685 }
2686
2687
2688 /*
2689  * These are local overrides for various environment variables in Emacs.
2690  * Please do not remove this and leave it at the end of the file, where
2691  * Emacs will automagically detect them.
2692  * ---------------------------------------------------------------------
2693  * Local variables:
2694  * mode: c++
2695  * indent-tabs-mode: t
2696  * c-basic-offset: 4
2697  * tab-width: 4
2698  * End:
2699  * vim:noexpandtab:sw=4:ts=4:
2700  */