src/vm/vm.cpp

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