src/vm/vm.cpp

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