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