src/vm/vm.c

   1 /* src/vm/vm.c - VM startup and shutdown functions
   2
   3    Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25    $Id: vm.c 8401 2007-08-22 18:45:31Z twisti $
  26
  27 */
  28
  29
  30 #include "config.h"
  31
  32 #include <assert.h>
  33 #include <errno.h>
  34 #include <stdint.h>
  35 #include <stdlib.h>
  36
  37 #include "vm/types.h"
  38
  39 #include "arch.h"
  40 #include "md-abi.h"
  41
  42 #include "vm/jit/abi-asm.h"
  43
  44 #include "mm/gc-common.h"
  45 #include "mm/memory.h"
  46
  47 #include "native/jni.h"
  48 #include "native/llni.h"
  49 #include "native/native.h"
  50
  51 #include "native/include/java_lang_Object.h"             /* required by j.l.C */
  52 #include "native/include/java_lang_String.h"             /* required by j.l.C */
  53
  54 #if defined(WITH_CLASSPATH_SUN)
  55 # include "native/include/java_nio_ByteBuffer.h"        /* required by j.l.CL */
  56 # include "native/include/java_lang_ClassLoader.h"       /* required by j.l.C */
  57 #endif
  58
  59 #include "native/include/java_lang_Class.h"
  60
  61 #include "native/vm/nativevm.h"
  62
  63 #include "threads/threads-common.h"
  64
  65 #include "toolbox/logging.h"
  66
  67 #include "vm/builtin.h"
  68 #include "vm/exceptions.h"
  69 #include "vm/finalizer.h"
  70 #include "vm/global.h"
  71 #include "vm/initialize.h"
  72 #include "vm/primitive.h"
  73 #include "vm/properties.h"
  74 #include "vm/signallocal.h"
  75 #include "vm/stringlocal.h"
  76 #include "vm/vm.h"
  77
  78 #include "vm/jit/jit.h"
  79 #include "vm/jit/md.h"
  80 #include "vm/jit/asmpart.h"
  81
  82 #if defined(ENABLE_PROFILING)
  83 # include "vm/jit/optimizing/profile.h"
  84 #endif
  85
  86 #include "vm/jit/optimizing/recompile.h"
  87
  88 #include "vmcore/classcache.h"
  89 #include "vmcore/options.h"
  90 #include "vmcore/statistics.h"
  91 #include "vmcore/suck.h"
  92
  93 #if defined(ENABLE_JVMTI)
  94 # include "native/jvmti/cacaodbg.h"
  95 #endif
  96
  97 #if defined(ENABLE_VMLOG)
  98 #include <vmlog_cacao.h>
  99 #endif
 100
 101
 102 /* Invocation API variables ***************************************************/
 103
 104 _Jv_JavaVM *_Jv_jvm;                    /* denotes a Java VM                  */
 105 _Jv_JNIEnv *_Jv_env;                    /* pointer to native method interface */
 106
 107
 108 /* global variables ***********************************************************/
 109
 110 s4 vms = 0;                             /* number of VMs created              */
 111
 112 bool vm_initializing = false;
 113 bool vm_exiting = false;
 114
 115 char      *mainstring = NULL;
 116 classinfo *mainclass = NULL;
 117
 118 #if defined(ENABLE_INTRP)
 119 u1 *intrp_main_stack = NULL;
 120 #endif
 121
 122
 123 /* define heap sizes **********************************************************/
 124
 125 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
 126 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
 127 #define STACK_SIZE                64 * 1024 /* default 64kB                   */
 128
 129
 130 /* define command line options ************************************************/
 131
 132 enum {
 133         OPT_FOO,
 134
 135         /* Java options */
 136
 137         OPT_JAR,
 138
 139         OPT_D32,
 140         OPT_D64,
 141
 142         OPT_CLASSPATH,
 143         OPT_D,
 144
 145         OPT_VERBOSE,
 146
 147         OPT_VERSION,
 148         OPT_SHOWVERSION,
 149         OPT_FULLVERSION,
 150
 151         OPT_HELP,
 152         OPT_X,
 153         OPT_XX,
 154
 155         OPT_EA,
 156         OPT_DA,
 157
 158         OPT_ESA,
 159         OPT_DSA,
 160
 161         /* Java non-standard options */
 162
 163         OPT_JIT,
 164         OPT_INTRP,
 165
 166         OPT_BOOTCLASSPATH,
 167         OPT_BOOTCLASSPATH_A,
 168         OPT_BOOTCLASSPATH_P,
 169
 170         OPT_BOOTCLASSPATH_C,
 171
 172 #if defined(ENABLE_PROFILING)
 173         OPT_PROF,
 174         OPT_PROF_OPTION,
 175 #endif
 176
 177         OPT_MS,
 178         OPT_MX,
 179
 180         /* CACAO options */
 181
 182         OPT_VERBOSE1,
 183         OPT_NOIEEE,
 184
 185 #if defined(ENABLE_STATISTICS)
 186         OPT_TIME,
 187         OPT_STAT,
 188 #endif
 189
 190         OPT_LOG,
 191         OPT_CHECK,
 192         OPT_LOAD,
 193         OPT_SHOW,
 194         OPT_DEBUGCOLOR,
 195
 196 #if !defined(NDEBUG)
 197         OPT_ALL,
 198         OPT_METHOD,
 199         OPT_SIGNATURE,
 200 #endif
 201
 202 #if defined(ENABLE_VERIFIER)
 203         OPT_NOVERIFY,
 204 #if defined(TYPECHECK_VERBOSE)
 205         OPT_VERBOSETC,
 206 #endif
 207 #endif /* defined(ENABLE_VERIFIER) */
 208
 209         /* optimization options */
 210
 211 #if defined(ENABLE_LOOP)
 212         OPT_OLOOP,
 213 #endif
 214
 215 #if defined(ENABLE_IFCONV)
 216         OPT_IFCONV,
 217 #endif
 218
 219 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 220         OPT_LSRA,
 221 #endif
 222
 223 #if defined(ENABLE_INLINING)
 224         OPT_INLINING,
 225 #if !defined(NDEBUG)
 226         OPT_INLINE_LOG,
 227 #endif
 228 #if defined(ENABLE_INLINING_DEBUG)
 229         OPT_INLINE_DEBUG_ALL,
 230         OPT_INLINE_DEBUG_END,
 231         OPT_INLINE_DEBUG_MIN,
 232         OPT_INLINE_DEBUG_MAX,
 233 #endif /* defined(ENABLE_INLINING_DEBUG) */
 234 #endif /* defined(ENABLE_INLINING) */
 235
 236 #if defined(ENABLE_INTRP)
 237         /* interpreter options */
 238
 239         OPT_NO_DYNAMIC,
 240         OPT_NO_REPLICATION,
 241         OPT_NO_QUICKSUPER,
 242         OPT_STATIC_SUPERS,
 243         OPT_TRACE,
 244 #endif
 245
 246         OPT_SS,
 247
 248 #ifdef ENABLE_JVMTI
 249         OPT_DEBUG,
 250         OPT_XRUNJDWP,
 251         OPT_NOAGENT,
 252         OPT_AGENTLIB,
 253         OPT_AGENTPATH,
 254 #endif
 255
 256 #if defined(ENABLE_DEBUG_FILTER)
 257         OPT_FILTER_VERBOSECALL_INCLUDE,
 258         OPT_FILTER_VERBOSECALL_EXCLUDE,
 259         OPT_FILTER_SHOW_METHOD,
 260 #endif
 261
 262         DUMMY
 263 };
 264
 265
 266 opt_struct opts[] = {
 267         { "foo",               false, OPT_FOO },
 268
 269         /* Java options */
 270
 271         { "jar",               false, OPT_JAR },
 272
 273         { "d32",               false, OPT_D32 },
 274         { "d64",               false, OPT_D64 },
 275         { "client",            false, OPT_IGNORE },
 276         { "server",            false, OPT_IGNORE },
 277         { "jvm",               false, OPT_IGNORE },
 278         { "hotspot",           false, OPT_IGNORE },
 279
 280         { "classpath",         true,  OPT_CLASSPATH },
 281         { "cp",                true,  OPT_CLASSPATH },
 282         { "D",                 true,  OPT_D },
 283         { "version",           false, OPT_VERSION },
 284         { "showversion",       false, OPT_SHOWVERSION },
 285         { "fullversion",       false, OPT_FULLVERSION },
 286         { "help",              false, OPT_HELP },
 287         { "?",                 false, OPT_HELP },
 288         { "X",                 false, OPT_X },
 289         { "XX:",               true,  OPT_XX },
 290         { "XX",                false, OPT_XX },
 291
 292         { "ea:",               true,  OPT_EA },
 293         { "da:",               true,  OPT_DA },
 294         { "ea",                false, OPT_EA },
 295         { "da",                false, OPT_DA },
 296
 297         { "esa",                     false, OPT_ESA },
 298         { "enablesystemassertions",  false, OPT_ESA },
 299         { "dsa",                     false, OPT_DSA },
 300         { "disablesystemassertions", false, OPT_DSA },
 301
 302         { "noasyncgc",         false, OPT_IGNORE },
 303 #if defined(ENABLE_VERIFIER)
 304         { "noverify",          false, OPT_NOVERIFY },
 305         { "Xverify:none",      false, OPT_NOVERIFY },
 306 #endif
 307         { "v",                 false, OPT_VERBOSE1 },
 308         { "verbose:",          true,  OPT_VERBOSE },
 309
 310 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
 311         { "verbosetc",         false, OPT_VERBOSETC },
 312 #endif
 313 #if defined(__ALPHA__)
 314         { "noieee",            false, OPT_NOIEEE },
 315 #endif
 316 #if defined(ENABLE_STATISTICS)
 317         { "time",              false, OPT_TIME },
 318         { "stat",              false, OPT_STAT },
 319 #endif
 320         { "log",               true,  OPT_LOG },
 321         { "c",                 true,  OPT_CHECK },
 322         { "l",                 false, OPT_LOAD },
 323
 324 #if !defined(NDEBUG)
 325         { "all",               false, OPT_ALL },
 326         { "sig",               true,  OPT_SIGNATURE },
 327 #endif
 328
 329 #if defined(ENABLE_LOOP)
 330         { "oloop",             false, OPT_OLOOP },
 331 #endif
 332 #if defined(ENABLE_IFCONV)
 333         { "ifconv",            false, OPT_IFCONV },
 334 #endif
 335 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 336         { "lsra",              false, OPT_LSRA },
 337 #endif
 338
 339 #if defined(ENABLE_INTRP)
 340         /* interpreter options */
 341
 342         { "trace",             false, OPT_TRACE },
 343         { "static-supers",     true,  OPT_STATIC_SUPERS },
 344         { "no-dynamic",        false, OPT_NO_DYNAMIC },
 345         { "no-replication",    false, OPT_NO_REPLICATION },
 346         { "no-quicksuper",     false, OPT_NO_QUICKSUPER },
 347 #endif
 348
 349         /* JVMTI Agent Command Line Options */
 350 #ifdef ENABLE_JVMTI
 351         { "agentlib:",         true,  OPT_AGENTLIB },
 352         { "agentpath:",        true,  OPT_AGENTPATH },
 353 #endif
 354
 355         /* Java non-standard options */
 356
 357         { "Xjit",              false, OPT_JIT },
 358         { "Xint",              false, OPT_INTRP },
 359         { "Xbootclasspath:",   true,  OPT_BOOTCLASSPATH },
 360         { "Xbootclasspath/a:", true,  OPT_BOOTCLASSPATH_A },
 361         { "Xbootclasspath/p:", true,  OPT_BOOTCLASSPATH_P },
 362         { "Xbootclasspath/c:", true,  OPT_BOOTCLASSPATH_C },
 363
 364 #ifdef ENABLE_JVMTI
 365         { "Xdebug",            false, OPT_DEBUG },
 366         { "Xnoagent",          false, OPT_NOAGENT },
 367         { "Xrunjdwp",          true,  OPT_XRUNJDWP },
 368 #endif
 369
 370         { "Xms",               true,  OPT_MS },
 371         { "ms",                true,  OPT_MS },
 372         { "Xmx",               true,  OPT_MX },
 373         { "mx",                true,  OPT_MX },
 374         { "Xss",               true,  OPT_SS },
 375         { "ss",                true,  OPT_SS },
 376
 377 #if defined(ENABLE_PROFILING)
 378         { "Xprof:",            true,  OPT_PROF_OPTION },
 379         { "Xprof",             false, OPT_PROF },
 380 #endif
 381
 382         /* inlining options */
 383
 384 #if defined(ENABLE_INLINING)
 385 #if defined(ENABLE_INLINING_DEBUG)
 386         { "ia",                false, OPT_INLINE_DEBUG_ALL },
 387         { "ii",                true,  OPT_INLINE_DEBUG_MIN },
 388         { "im",                true,  OPT_INLINE_DEBUG_MAX },
 389         { "ie",                true,  OPT_INLINE_DEBUG_END },
 390 #endif /* defined(ENABLE_INLINING_DEBUG) */
 391 #if !defined(NDEBUG)
 392         { "il",                false, OPT_INLINE_LOG },
 393 #endif
 394         { "i",                 false, OPT_INLINING },
 395 #endif /* defined(ENABLE_INLINING) */
 396
 397         /* keep these at the end of the list */
 398
 399 #if !defined(NDEBUG)
 400         { "m",                 true,  OPT_METHOD },
 401 #endif
 402
 403         { "s",                 true,  OPT_SHOW },
 404         { "debug-color",      false,  OPT_DEBUGCOLOR },
 405
 406 #if defined(ENABLE_DEBUG_FILTER)
 407         { "XXfi",              true,  OPT_FILTER_VERBOSECALL_INCLUDE },
 408         { "XXfx",              true,  OPT_FILTER_VERBOSECALL_EXCLUDE },
 409         { "XXfm",              true,  OPT_FILTER_SHOW_METHOD },
 410 #endif
 411
 412         { NULL,                false, 0 }
 413 };
 414
 415
 416 /* usage ***********************************************************************
 417
 418    Prints the correct usage syntax to stdout.
 419
 420 *******************************************************************************/
 421
 422 void usage(void)
 423 {
 424         puts("Usage: cacao [-options] classname [arguments]");
 425         puts("               (to run a class file)");
 426         puts("   or  cacao [-options] -jar jarfile [arguments]");
 427         puts("               (to run a standalone jar file)\n");
 428
 429         puts("where options include:");
 430         puts("    -d32                     use 32-bit data model if available");
 431         puts("    -d64                     use 64-bit data model if available");
 432         puts("    -client                  compatibility (currently ignored)");
 433         puts("    -server                  compatibility (currently ignored)");
 434         puts("    -jvm                     compatibility (currently ignored)");
 435         puts("    -hotspot                 compatibility (currently ignored)\n");
 436
 437         puts("    -cp <path>               specify a path to look for classes");
 438         puts("    -classpath <path>        specify a path to look for classes");
 439         puts("    -D<name>=<value>         add an entry to the property list");
 440         puts("    -verbose[:class|gc|jni]  enable specific verbose output");
 441         puts("    -version                 print product version and exit");
 442         puts("    -fullversion             print jpackage-compatible product version and exit");
 443         puts("    -showversion             print product version and continue");
 444         puts("    -help, -?                print this help message");
 445         puts("    -X                       print help on non-standard Java options");
 446         puts("    -XX                      print help on debugging options");
 447     puts("    -ea[:<packagename>...|:<classname>]");
 448     puts("    -enableassertions[:<packagename>...|:<classname>]");
 449         puts("                             enable assertions with specified granularity");
 450         puts("    -da[:<packagename>...|:<classname>]");
 451         puts("    -disableassertions[:<packagename>...|:<classname>]");
 452         puts("                             disable assertions with specified granularity");
 453         puts("    -esa | -enablesystemassertions");
 454         puts("                             enable system assertions");
 455         puts("    -dsa | -disablesystemassertions");
 456         puts("                             disable system assertions");
 457
 458 #ifdef ENABLE_JVMTI
 459         puts("    -agentlib:<agent-lib-name>=<options>  library to load containg JVMTI agent");
 460         puts ("                                         for jdwp help use: -agentlib:jdwp=help");
 461         puts("    -agentpath:<path-to-agent>=<options>  path to library containg JVMTI agent");
 462 #endif
 463
 464         /* exit with error code */
 465
 466         exit(1);
 467 }
 468
 469
 470 static void Xusage(void)
 471 {
 472 #if defined(ENABLE_JIT)
 473         puts("    -Xjit                    JIT mode execution (default)");
 474 #endif
 475 #if defined(ENABLE_INTRP)
 476         puts("    -Xint                    interpreter mode execution");
 477 #endif
 478         puts("    -Xbootclasspath:<zip/jar files and directories separated by :>");
 479     puts("                             value is set as bootstrap class path");
 480         puts("    -Xbootclasspath/a:<zip/jar files and directories separated by :>");
 481         puts("                             value is appended to the bootstrap class path");
 482         puts("    -Xbootclasspath/p:<zip/jar files and directories separated by :>");
 483         puts("                             value is prepended to the bootstrap class path");
 484         puts("    -Xbootclasspath/c:<zip/jar files and directories separated by :>");
 485         puts("                             value is used as Java core library, but the");
 486         puts("                             hardcoded VM interface classes are prepended");
 487         printf("    -Xms<size>               set the initial size of the heap (default: %dMB)\n", HEAP_STARTSIZE / 1024 / 1024);
 488         printf("    -Xmx<size>               set the maximum size of the heap (default: %dMB)\n", HEAP_MAXSIZE / 1024 / 1024);
 489         printf("    -Xss<size>               set the thread stack size (default: %dkB)\n", STACK_SIZE / 1024);
 490
 491 #if defined(ENABLE_PROFILING)
 492         puts("    -Xprof[:bb]              collect and print profiling data");
 493 #endif
 494
 495 #if defined(ENABLE_JVMTI)
 496     /* -Xdebug option depend on gnu classpath JDWP options. options:
 497          transport=dt_socket,address=<hostname:port>,server=(y|n),suspend(y|n) */
 498         puts("    -Xdebug                  enable remote debugging\n");
 499         puts("    -Xrunjdwp transport=[dt_socket|...],address=<hostname:port>,server=[y|n],suspend=[y|n]\n");
 500         puts("                             enable remote debugging\n");
 501 #endif
 502
 503         /* exit with error code */
 504
 505         exit(1);
 506 }
 507
 508
 509 #if 0
 510 static void XXusage(void)
 511 {
 512         puts("    -v                       write state-information");
 513 #if !defined(NDEBUG)
 514         puts("    -verbose[:jit|threads]");
 515         puts("                             enable specific verbose output");
 516         puts("    -debug-color             colored output for ANSI terms");
 517 #endif
 518 #ifdef TYPECHECK_VERBOSE
 519         puts("    -verbosetc               write debug messages while typechecking");
 520 #endif
 521 #if defined(__ALPHA__)
 522         puts("    -noieee                  don't use ieee compliant arithmetic");
 523 #endif
 524 #if defined(ENABLE_VERIFIER)
 525         puts("    -noverify                don't verify classfiles");
 526 #endif
 527 #if defined(ENABLE_STATISTICS)
 528         puts("    -time                    measure the runtime");
 529         puts("    -stat                    detailed compiler statistics");
 530 #endif
 531         puts("    -log logfile             specify a name for the logfile");
 532         puts("    -c(heck)b(ounds)         don't check array bounds");
 533         puts("            s(ync)           don't check for synchronization");
 534 #if defined(ENABLE_LOOP)
 535         puts("    -oloop                   optimize array accesses in loops");
 536 #endif
 537         puts("    -l                       don't start the class after loading");
 538 #if !defined(NDEBUG)
 539         puts("    -all                     compile all methods, no execution");
 540         puts("    -m                       compile only a specific method");
 541         puts("    -sig                     specify signature for a specific method");
 542 #endif
 543
 544         puts("    -s...                    show...");
 545         puts("      (c)onstants            the constant pool");
 546         puts("      (m)ethods              class fields and methods");
 547         puts("      (u)tf                  the utf - hash");
 548         puts("      (i)ntermediate         intermediate representation");
 549 #if defined(ENABLE_DISASSEMBLER)
 550         puts("      (a)ssembler            disassembled listing");
 551         puts("      n(o)ps                 show NOPs in disassembler output");
 552         puts("      (e)xceptionstubs       disassembled exception stubs (only with -sa)");
 553         puts("      (n)ative               disassembled native stubs");
 554 #endif
 555         puts("      (d)atasegment          data segment listing");
 556
 557 #if defined(ENABLE_INLINING)
 558         puts("    -i                       activate inlining");
 559 #if !defined(NDEBUG)
 560         puts("    -il                      log inlining");
 561 #endif
 562 #if defined(ENABLE_INLINING_DEBUG)
 563         puts("    -ia                      use inlining for all methods");
 564         puts("    -ii <size>               set minimum size for inlined result");
 565         puts("    -im <size>               set maximum size for inlined result");
 566         puts("    -ie <number>             stop inlining after the given number of roots");
 567 #endif /* defined(ENABLE_INLINING_DEBUG) */
 568 #endif /* defined(ENABLE_INLINING) */
 569
 570 #if defined(ENABLE_IFCONV)
 571         puts("    -ifconv                  use if-conversion");
 572 #endif
 573 #if defined(ENABLE_LSRA)
 574         puts("    -lsra                    use linear scan register allocation");
 575 #endif
 576 #if defined(ENABLE_SSA)
 577         puts("    -lsra                    use linear scan register allocation (with SSA)");
 578 #endif
 579 #if defined(ENABLE_DEBUG_FILTER)
 580         puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
 581         puts("    -XXfx <regex>            end of dynamic scope for verbosecall filter");
 582         puts("    -XXfm <regex>            filter for show options");
 583 #endif
 584         /* exit with error code */
 585
 586         exit(1);
 587 }
 588 #endif
 589
 590
 591 /* version *********************************************************************
 592
 593    Only prints cacao version information.
 594
 595 *******************************************************************************/
 596
 597 static void version(bool opt_exit)
 598 {
 599         puts("java version \""JAVA_VERSION"\"");
 600         puts("CACAO version "VERSION"");
 601
 602         puts("Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,");
 603         puts("C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,");
 604         puts("E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,");
 605         puts("J. Wenninger, Institut f. Computersprachen - TU Wien\n");
 606
 607         puts("This program is free software; you can redistribute it and/or");
 608         puts("modify it under the terms of the GNU General Public License as");
 609         puts("published by the Free Software Foundation; either version 2, or (at");
 610         puts("your option) any later version.\n");
 611
 612         puts("This program is distributed in the hope that it will be useful, but");
 613         puts("WITHOUT ANY WARRANTY; without even the implied warranty of");
 614         puts("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU");
 615         puts("General Public License for more details.");
 616
 617         /* exit normally, if requested */
 618
 619         if (opt_exit)
 620                 exit(0);
 621 }
 622
 623
 624 /* fullversion *****************************************************************
 625
 626    Prints a Sun compatible version information (required e.g. by
 627    jpackage, www.jpackage.org).
 628
 629 *******************************************************************************/
 630
 631 static void fullversion(void)
 632 {
 633         puts("java full version \"cacao-"JAVA_VERSION"\"");
 634
 635         /* exit normally */
 636
 637         exit(0);
 638 }
 639
 640
 641 void vm_printconfig(void)
 642 {
 643         puts("Configure/Build options:\n");
 644         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
 645 #if defined(__VERSION__)
 646         puts("  CC         : "VERSION_CC" ("__VERSION__")");
 647 #else
 648         puts("  CC         : "VERSION_CC"");
 649 #endif
 650         puts("  CFLAGS     : "VERSION_CFLAGS"\n");
 651
 652         puts("Default variables:\n");
 653         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
 654         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
 655         printf("  stack size                     : %d\n", STACK_SIZE);
 656 #if defined(WITH_CLASSPATH_GNU)
 657         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"CLASSPATH_CLASSES"");
 658 #else
 659         puts("  java.boot.class.path           : "CLASSPATH_CLASSES"");
 660 #endif
 661         puts("  gnu.classpath.boot.library.path: "CLASSPATH_LIBDIR"/classpath\n");
 662
 663         puts("Runtime variables:\n");
 664         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
 665         printf("  initial heap size              : %d\n", opt_heapstartsize);
 666         printf("  stack size                     : %d\n", opt_stacksize);
 667         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
 668         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
 669
 670         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
 671 }
 672
 673
 674 /* forward declarations *******************************************************/
 675
 676 static char *vm_get_mainclass_from_jar(char *mainstring);
 677 #if !defined(NDEBUG)
 678 static void  vm_compile_all(void);
 679 static void  vm_compile_method(void);
 680 #endif
 681
 682
 683 /* vm_createjvm ****************************************************************
 684
 685    Implementation for JNI_CreateJavaVM.
 686
 687 *******************************************************************************/
 688
 689 bool vm_createjvm(JavaVM **p_vm, void **p_env, void *vm_args)
 690 {
 691         JavaVMInitArgs *_vm_args;
 692         _Jv_JNIEnv     *env;
 693         _Jv_JavaVM     *vm;
 694
 695         /* get the arguments for the new JVM */
 696
 697         _vm_args = (JavaVMInitArgs *) vm_args;
 698
 699         /* get the VM and Env tables (must be set before vm_create) */
 700
 701         env = NEW(_Jv_JNIEnv);
 702
 703 #if defined(ENABLE_JNI)
 704         env->env = &_Jv_JNINativeInterface;
 705 #endif
 706
 707         /* XXX Set the global variable.  Maybe we should do that differently. */
 708
 709         _Jv_env = env;
 710
 711         /* create and fill a JavaVM structure */
 712
 713         vm = NEW(_Jv_JavaVM);
 714
 715 #if defined(ENABLE_JNI)
 716         vm->functions = &_Jv_JNIInvokeInterface;
 717 #endif
 718
 719         /* XXX Set the global variable.  Maybe we should do that differently. */
 720         /* XXX JVMTI Agents needs a JavaVM  */
 721
 722         _Jv_jvm = vm;
 723
 724         /* actually create the JVM */
 725
 726         if (!vm_create(_vm_args))
 727                 goto error;
 728
 729 #if defined(ENABLE_JNI)
 730         /* setup the local ref table (must be created after vm_create) */
 731
 732         if (!localref_table_init())
 733                 goto error;
 734 #endif
 735
 736         /* now return the values */
 737
 738         *p_vm  = (JavaVM *) vm;
 739         *p_env = (void *) env;
 740
 741         return true;
 742
 743  error:
 744         /* release allocated memory */
 745
 746         FREE(env, _Jv_JNIEnv);
 747         FREE(vm, _Jv_JavaVM);
 748
 749         return false;
 750 }
 751
 752
 753 /* vm_create *******************************************************************
 754
 755    Creates a JVM.  Called by vm_createjvm.
 756
 757 *******************************************************************************/
 758
 759 bool vm_create(JavaVMInitArgs *vm_args)
 760 {
 761         int   len;
 762         char *p;
 763         char *boot_class_path;
 764         char *class_path;
 765         int   opt;
 766         int   i, j;
 767         bool  opt_version;
 768         bool  opt_exit;
 769
 770 #if defined(ENABLE_JVMTI)
 771         lt_dlhandle  handle;
 772         char *libname, *agentarg;
 773         bool jdwp,agentbypath;
 774         jdwp = agentbypath = false;
 775 #endif
 776
 777 #if defined(ENABLE_VMLOG)
 778         vmlog_cacao_init(vm_args);
 779 #endif
 780
 781         /* check the JNI version requested */
 782
 783         switch (vm_args->version) {
 784         case JNI_VERSION_1_1:
 785                 break;
 786         case JNI_VERSION_1_2:
 787         case JNI_VERSION_1_4:
 788                 break;
 789         default:
 790                 return false;
 791         }
 792
 793         /* we only support 1 JVM instance */
 794
 795         if (vms > 0)
 796                 return false;
 797
 798         if (atexit(vm_exit_handler))
 799                 vm_abort("atexit failed: %s\n", strerror(errno));
 800
 801         if (opt_verbose)
 802                 log_text("CACAO started -------------------------------------------------------");
 803
 804         /* We need to check if the actual size of a java.lang.Class object
 805            is smaller or equal than the assumption made in
 806            src/vmcore/class.h. */
 807
 808         if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
 809                 vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
 810
 811         /* set the VM starttime */
 812
 813         _Jv_jvm->starttime = builtin_currenttimemillis();
 814
 815         /* interpret the options **************************************************/
 816
 817         opt_version       = false;
 818         opt_exit          = false;
 819
 820         opt_noieee        = false;
 821
 822         opt_heapmaxsize   = HEAP_MAXSIZE;
 823         opt_heapstartsize = HEAP_STARTSIZE;
 824         opt_stacksize     = STACK_SIZE;
 825
 826
 827 #if defined(ENABLE_JVMTI)
 828         /* initialize JVMTI related  **********************************************/
 829         jvmti = false;
 830 #endif
 831
 832         /* Initialize and fill properties before command-line handling. */
 833
 834         properties_init();
 835         properties_set();
 836
 837         /* iterate over all passed options */
 838
 839         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
 840                 switch (opt) {
 841                 case OPT_FOO:
 842                         opt_foo = true;
 843                         break;
 844
 845                 case OPT_IGNORE:
 846                         break;
 847
 848                 case OPT_JAR:
 849                         opt_jar = true;
 850                         break;
 851
 852                 case OPT_D32:
 853 #if SIZEOF_VOID_P == 8
 854                         puts("Running a 32-bit JVM is not supported on this platform.");
 855                         exit(1);
 856 #endif
 857                         break;
 858
 859                 case OPT_D64:
 860 #if SIZEOF_VOID_P == 4
 861                         puts("Running a 64-bit JVM is not supported on this platform.");
 862                         exit(1);
 863 #endif
 864                         break;
 865
 866                 case OPT_CLASSPATH:
 867                         /* Forget old classpath and set the argument as new
 868                            classpath. */
 869
 870                         class_path = properties_get("java.class.path");
 871
 872                         MFREE(class_path, char, len);
 873
 874                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 875
 876                         strcpy(p, opt_arg);
 877
 878 #if defined(ENABLE_JAVASE)
 879                         properties_add("java.class.path", p);
 880 #endif
 881                         break;
 882
 883                 case OPT_D:
 884                         for (i = 0; i < strlen(opt_arg); i++) {
 885                                 if (opt_arg[i] == '=') {
 886                                         opt_arg[i] = '\0';
 887                                         properties_add(opt_arg, opt_arg + i + 1);
 888                                         goto opt_d_done;
 889                                 }
 890                         }
 891
 892                         /* if no '=' is given, just create an empty property */
 893
 894                         properties_add(opt_arg, "");
 895
 896                 opt_d_done:
 897                         break;
 898
 899                 case OPT_BOOTCLASSPATH:
 900                         /* Forget default bootclasspath and set the argument as
 901                            new boot classpath. */
 902
 903                         boot_class_path = properties_get("sun.boot.class.path");
 904
 905                         MFREE(boot_class_path, char, len);
 906
 907                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 908
 909                         strcpy(p, opt_arg);
 910
 911 #if defined(ENABLE_JAVASE)
 912                         properties_add("sun.boot.class.path", p);
 913                         properties_add("java.boot.class.path", p);
 914 #endif
 915                         break;
 916
 917                 case OPT_BOOTCLASSPATH_A:
 918                         /* Append to bootclasspath. */
 919
 920                         boot_class_path = properties_get("sun.boot.class.path");
 921
 922                         len = strlen(boot_class_path);
 923
 924                         p = MREALLOC(boot_class_path,
 925                                                  char,
 926                                                  len + strlen("0"),
 927                                                  len + strlen(":") +
 928                                                  strlen(opt_arg) + strlen("0"));
 929
 930                         strcat(p, ":");
 931                         strcat(p, opt_arg);
 932
 933 #if defined(ENABLE_JAVASE)
 934                         properties_add("sun.boot.class.path", p);
 935                         properties_add("java.boot.class.path", p);
 936 #endif
 937                         break;
 938
 939                 case OPT_BOOTCLASSPATH_P:
 940                         /* Prepend to bootclasspath. */
 941
 942                         boot_class_path = properties_get("sun.boot.class.path");
 943
 944                         len = strlen(boot_class_path);
 945
 946                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
 947
 948                         strcpy(p, opt_arg);
 949                         strcat(p, ":");
 950                         strcat(p, boot_class_path);
 951
 952                         MFREE(boot_class_path, char, len);
 953
 954 #if defined(ENABLE_JAVASE)
 955                         properties_add("sun.boot.class.path", p);
 956                         properties_add("java.boot.class.path", p);
 957 #endif
 958                         break;
 959
 960                 case OPT_BOOTCLASSPATH_C:
 961                         /* Use as Java core library, but prepend VM interface
 962                            classes. */
 963
 964                         boot_class_path = properties_get("sun.boot.class.path");
 965
 966                         MFREE(boot_class_path, char, strlen(boot_class_path));
 967
 968                         len =
 969                                 strlen(CACAO_VM_ZIP) +
 970                                 strlen(":") +
 971                                 strlen(opt_arg) +
 972                                 strlen("0");
 973
 974                         p = MNEW(char, len);
 975
 976                         strcpy(p, CACAO_VM_ZIP);
 977                         strcat(p, ":");
 978                         strcat(p, opt_arg);
 979
 980 #if defined(ENABLE_JAVASE)
 981                         properties_add("sun.boot.class.path", p);
 982                         properties_add("java.boot.class.path", p);
 983 #endif
 984                         break;
 985
 986 #if defined(ENABLE_JVMTI)
 987                 case OPT_DEBUG:
 988                         /* this option exists only for compatibility reasons */
 989                         break;
 990
 991                 case OPT_NOAGENT:
 992                         /* I don't know yet what Xnoagent should do. This is only for
 993                            compatiblity with eclipse - motse */
 994                         break;
 995
 996                 case OPT_XRUNJDWP:
 997                         agentbypath = true;
 998                         jvmti       = true;
 999                         jdwp        = true;
1000
1001                         len =
1002                                 strlen(CACAO_LIBDIR) +
1003                                 strlen("/libjdwp.so=") +
1004                                 strlen(opt_arg) +
1005                                 strlen("0");
1006
1007                         agentarg = MNEW(char, len);
1008
1009                         strcpy(agentarg, CACAO_LIBDIR);
1010                         strcat(agentarg, "/libjdwp.so=");
1011                         strcat(agentarg, &opt_arg[1]);
1012                         break;
1013
1014                 case OPT_AGENTPATH:
1015                         agentbypath = true;
1016
1017                 case OPT_AGENTLIB:
1018                         jvmti = true;
1019                         agentarg = opt_arg;
1020                         break;
1021 #endif
1022
1023                 case OPT_MX:
1024                 case OPT_MS:
1025                 case OPT_SS:
1026                         {
1027                                 char c;
1028                                 c = opt_arg[strlen(opt_arg) - 1];
1029
1030                                 if ((c == 'k') || (c == 'K')) {
1031                                         j = atoi(opt_arg) * 1024;
1032
1033                                 } else if ((c == 'm') || (c == 'M')) {
1034                                         j = atoi(opt_arg) * 1024 * 1024;
1035
1036                                 } else
1037                                         j = atoi(opt_arg);
1038
1039                                 if (opt == OPT_MX)
1040                                         opt_heapmaxsize = j;
1041                                 else if (opt == OPT_MS)
1042                                         opt_heapstartsize = j;
1043                                 else
1044                                         opt_stacksize = j;
1045                         }
1046                         break;
1047
1048                 case OPT_VERBOSE1:
1049                         opt_verbose = true;
1050                         break;
1051
1052                 case OPT_VERBOSE:
1053                         if (strcmp("class", opt_arg) == 0) {
1054                                 opt_verboseclass = true;
1055                         }
1056                         else if (strcmp("gc", opt_arg) == 0) {
1057                                 opt_verbosegc = true;
1058                         }
1059                         else if (strcmp("jni", opt_arg) == 0) {
1060                                 opt_verbosejni = true;
1061                         }
1062 #if !defined(NDEBUG)
1063                         else if (strcmp("jit", opt_arg) == 0) {
1064                                 opt_verbose = true;
1065                                 loadverbose = true;
1066                                 initverbose = true;
1067                                 compileverbose = true;
1068                         }
1069                         else if (strcmp("threads", opt_arg) == 0) {
1070                                 opt_verbosethreads = true;
1071                         }
1072 #endif
1073                         else {
1074                                 printf("Unknown -verbose option: %s\n", opt_arg);
1075                                 usage();
1076                         }
1077                         break;
1078
1079                 case OPT_DEBUGCOLOR:
1080                         opt_debugcolor = true;
1081                         break;
1082
1083 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1084                 case OPT_VERBOSETC:
1085                         opt_typecheckverbose = true;
1086                         break;
1087 #endif
1088
1089                 case OPT_VERSION:
1090                         opt_version = true;
1091                         opt_exit    = true;
1092                         break;
1093
1094                 case OPT_FULLVERSION:
1095                         fullversion();
1096                         break;
1097
1098                 case OPT_SHOWVERSION:
1099                         opt_version = true;
1100                         break;
1101
1102                 case OPT_NOIEEE:
1103                         opt_noieee = true;
1104                         break;
1105
1106 #if defined(ENABLE_VERIFIER)
1107                 case OPT_NOVERIFY:
1108                         opt_verify = false;
1109                         break;
1110 #endif
1111
1112 #if defined(ENABLE_STATISTICS)
1113                 case OPT_TIME:
1114                         opt_getcompilingtime = true;
1115                         opt_getloadingtime = true;
1116                         break;
1117
1118                 case OPT_STAT:
1119                         opt_stat = true;
1120                         break;
1121 #endif
1122
1123                 case OPT_LOG:
1124                         log_init(opt_arg);
1125                         break;
1126
1127                 case OPT_CHECK:
1128                         for (i = 0; i < strlen(opt_arg); i++) {
1129                                 switch (opt_arg[i]) {
1130                                 case 'b':
1131                                         checkbounds = false;
1132                                         break;
1133                                 case 's':
1134                                         checksync = false;
1135                                         break;
1136                                 default:
1137                                         usage();
1138                                 }
1139                         }
1140                         break;
1141
1142                 case OPT_LOAD:
1143                         opt_run = false;
1144                         makeinitializations = false;
1145                         break;
1146
1147 #if !defined(NDEBUG)
1148                 case OPT_ALL:
1149                         compileall = true;
1150                         opt_run = false;
1151                         makeinitializations = false;
1152                         break;
1153
1154                 case OPT_METHOD:
1155                         opt_run = false;
1156                         opt_method = opt_arg;
1157                         makeinitializations = false;
1158                         break;
1159
1160                 case OPT_SIGNATURE:
1161                         opt_signature = opt_arg;
1162                         break;
1163 #endif
1164
1165                 case OPT_SHOW:       /* Display options */
1166                         for (i = 0; i < strlen(opt_arg); i++) {
1167                                 switch (opt_arg[i]) {
1168                                 case 'c':
1169                                         showconstantpool = true;
1170                                         break;
1171
1172                                 case 'u':
1173                                         showutf = true;
1174                                         break;
1175
1176                                 case 'm':
1177                                         showmethods = true;
1178                                         break;
1179
1180                                 case 'i':
1181                                         opt_showintermediate = true;
1182                                         compileverbose = true;
1183                                         break;
1184
1185 #if defined(ENABLE_DISASSEMBLER)
1186                                 case 'a':
1187                                         opt_showdisassemble = true;
1188                                         compileverbose = true;
1189                                         break;
1190
1191                                 case 'o':
1192                                         opt_shownops = true;
1193                                         break;
1194
1195                                 case 'e':
1196                                         opt_showexceptionstubs = true;
1197                                         break;
1198
1199                                 case 'n':
1200                                         opt_shownativestub = true;
1201                                         break;
1202 #endif
1203
1204                                 case 'd':
1205                                         opt_showddatasegment = true;
1206                                         break;
1207
1208                                 default:
1209                                         usage();
1210                                 }
1211                         }
1212                         break;
1213
1214 #if defined(ENABLE_LOOP)
1215                 case OPT_OLOOP:
1216                         opt_loops = true;
1217                         break;
1218 #endif
1219
1220 #if defined(ENABLE_INLINING)
1221 #if defined(ENABLE_INLINING_DEBUG)
1222                 case OPT_INLINE_DEBUG_ALL:
1223                         opt_inline_debug_all = true;
1224                         break;
1225                 case OPT_INLINE_DEBUG_END:
1226                         opt_inline_debug_end_counter = atoi(opt_arg);
1227                         break;
1228                 case OPT_INLINE_DEBUG_MIN:
1229                         opt_inline_debug_min_size = atoi(opt_arg);
1230                         break;
1231                 case OPT_INLINE_DEBUG_MAX:
1232                         opt_inline_debug_max_size = atoi(opt_arg);
1233                         break;
1234 #endif /* defined(ENABLE_INLINING_DEBUG) */
1235 #if !defined(NDEBUG)
1236                 case OPT_INLINE_LOG:
1237                         opt_inline_debug_log = true;
1238                         break;
1239 #endif /* !defined(NDEBUG) */
1240
1241                 case OPT_INLINING:
1242                         opt_inlining = true;
1243                         break;
1244 #endif /* defined(ENABLE_INLINING) */
1245
1246 #if defined(ENABLE_IFCONV)
1247                 case OPT_IFCONV:
1248                         opt_ifconv = true;
1249                         break;
1250 #endif
1251
1252 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
1253                 case OPT_LSRA:
1254                         opt_lsra = true;
1255                         break;
1256 #endif
1257
1258                 case OPT_HELP:
1259                         usage();
1260                         break;
1261
1262                 case OPT_X:
1263                         Xusage();
1264                         break;
1265
1266                 case OPT_XX:
1267                         options_xx(opt_arg);
1268                         break;
1269
1270                 case OPT_EA:
1271                         /* currently ignored */
1272                         break;
1273
1274                 case OPT_DA:
1275                         /* currently ignored */
1276                         break;
1277
1278                 case OPT_ESA:
1279                         _Jv_jvm->Java_java_lang_VMClassLoader_defaultAssertionStatus = true;
1280                         break;
1281
1282                 case OPT_DSA:
1283                         _Jv_jvm->Java_java_lang_VMClassLoader_defaultAssertionStatus = false;
1284                         break;
1285
1286 #if defined(ENABLE_PROFILING)
1287                 case OPT_PROF_OPTION:
1288                         /* use <= to get the last \0 too */
1289
1290                         for (i = 0, j = 0; i <= strlen(opt_arg); i++) {
1291                                 if (opt_arg[i] == ',')
1292                                         opt_arg[i] = '\0';
1293
1294                                 if (opt_arg[i] == '\0') {
1295                                         if (strcmp("bb", opt_arg + j) == 0)
1296                                                 opt_prof_bb = true;
1297
1298                                         else {
1299                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1300                                                 usage();
1301                                         }
1302
1303                                         /* set k to next char */
1304
1305                                         j = i + 1;
1306                                 }
1307                         }
1308                         /* fall through */
1309
1310                 case OPT_PROF:
1311                         opt_prof = true;
1312                         break;
1313 #endif
1314
1315                 case OPT_JIT:
1316 #if defined(ENABLE_JIT)
1317                         opt_jit = true;
1318 #else
1319                         printf("-Xjit option not enabled.\n");
1320                         exit(1);
1321 #endif
1322                         break;
1323
1324                 case OPT_INTRP:
1325 #if defined(ENABLE_INTRP)
1326                         opt_intrp = true;
1327 #else
1328                         printf("-Xint option not enabled.\n");
1329                         exit(1);
1330 #endif
1331                         break;
1332
1333 #if defined(ENABLE_INTRP)
1334                 case OPT_STATIC_SUPERS:
1335                         opt_static_supers = atoi(opt_arg);
1336                         break;
1337
1338                 case OPT_NO_DYNAMIC:
1339                         opt_no_dynamic = true;
1340                         break;
1341
1342                 case OPT_NO_REPLICATION:
1343                         opt_no_replication = true;
1344                         break;
1345
1346                 case OPT_NO_QUICKSUPER:
1347                         opt_no_quicksuper = true;
1348                         break;
1349
1350                 case OPT_TRACE:
1351                         vm_debug = true;
1352                         break;
1353 #endif
1354
1355 #if defined(ENABLE_DEBUG_FILTER)
1356                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1357                         opt_filter_verbosecall_include = opt_arg;
1358                         break;
1359
1360                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1361                         opt_filter_verbosecall_exclude = opt_arg;
1362                         break;
1363
1364                 case OPT_FILTER_SHOW_METHOD:
1365                         opt_filter_show_method = opt_arg;
1366                         break;
1367
1368 #endif
1369                 default:
1370                         printf("Unknown option: %s\n",
1371                                    vm_args->options[opt_index].optionString);
1372                         usage();
1373                 }
1374         }
1375
1376         /* get the main class *****************************************************/
1377
1378         if (opt_index < vm_args->nOptions) {
1379                 mainstring = vm_args->options[opt_index++].optionString;
1380
1381                 /* Put the jar file into the classpath (if any). */
1382
1383                 if (opt_jar == true) {
1384                         /* free old classpath */
1385
1386 /*                      MFREE(_Jv_classpath, char, strlen(_Jv_classpath)); */
1387
1388                         /* put jarfile into classpath */
1389
1390                         p = MNEW(char, strlen(mainstring) + strlen("0"));
1391
1392                         strcpy(p, mainstring);
1393
1394 #if defined(ENABLE_JAVASE)
1395                         properties_add("java.class.path", p);
1396 #endif
1397                 }
1398                 else {
1399                         /* replace .'s with /'s in classname */
1400
1401                         for (i = strlen(mainstring) - 1; i >= 0; i--)
1402                                 if (mainstring[i] == '.')
1403                                         mainstring[i] = '/';
1404                 }
1405         }
1406
1407 #if defined(ENABLE_JVMTI)
1408         if (jvmti) {
1409                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1410                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1411
1412                 if (jdwp)
1413                         MFREE(agentarg, char, strlen(agentarg));
1414
1415                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1416         }
1417 #endif
1418
1419         /* initialize this JVM ****************************************************/
1420
1421         vm_initializing = true;
1422
1423         /* initialize the garbage collector */
1424
1425         gc_init(opt_heapmaxsize, opt_heapstartsize);
1426
1427 #if defined(ENABLE_THREADS)
1428         /* AFTER: gc_init (directly after, as this initializes the
1429            stopworldlock lock */
1430
1431         threads_preinit();
1432 #endif
1433
1434         /* install architecture dependent signal handlers */
1435
1436         if (!signal_init())
1437                 vm_abort("vm_create: signal_init failed");
1438
1439 #if defined(ENABLE_INTRP)
1440         /* Allocate main thread stack on the Java heap. */
1441
1442         if (opt_intrp) {
1443                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1444                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1445         }
1446 #endif
1447
1448         /* AFTER: threads_preinit */
1449
1450         if (!string_init())
1451                 vm_abort("vm_create: string_init failed");
1452
1453         /* AFTER: threads_preinit */
1454
1455         if (!utf8_init())
1456                 vm_abort("vm_create: utf8_init failed");
1457
1458         /* AFTER: thread_preinit */
1459
1460         if (!suck_init())
1461                 vm_abort("vm_create: suck_init failed");
1462
1463         suck_add_from_property("java.endorsed.dirs");
1464
1465         /* Now we have all options handled and we can print the version
1466            information.
1467
1468            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1469
1470         if (opt_version)
1471                 version(opt_exit);
1472
1473         /* AFTER: utf8_init */
1474
1475         boot_class_path = properties_get("sun.boot.class.path");
1476         suck_add(boot_class_path);
1477
1478         /* initialize the classcache hashtable stuff: lock, hashtable
1479            (must be done _after_ threads_preinit) */
1480
1481         if (!classcache_init())
1482                 vm_abort("vm_create: classcache_init failed");
1483
1484         /* initialize the memory subsystem (must be done _after_
1485            threads_preinit) */
1486
1487         if (!memory_init())
1488                 vm_abort("vm_create: memory_init failed");
1489
1490         /* initialize the finalizer stuff (must be done _after_
1491            threads_preinit) */
1492
1493         if (!finalizer_init())
1494                 vm_abort("vm_create: finalizer_init failed");
1495
1496         /* initialize the codegen subsystems */
1497
1498         codegen_init();
1499
1500         /* initializes jit compiler */
1501
1502         jit_init();
1503
1504         /* machine dependent initialization */
1505
1506 #if defined(ENABLE_JIT)
1507 # if defined(ENABLE_INTRP)
1508         if (opt_intrp)
1509                 intrp_md_init();
1510         else
1511 # endif
1512                 md_init();
1513 #else
1514         intrp_md_init();
1515 #endif
1516
1517         /* initialize the loader subsystems (must be done _after_
1518        classcache_init) */
1519
1520         if (!loader_init())
1521                 vm_abort("vm_create: loader_init failed");
1522
1523         /* Link some important VM classes. */
1524         /* AFTER: utf8_init */
1525
1526         if (!linker_init())
1527                 vm_abort("vm_create: linker_init failed");
1528
1529         if (!primitive_init())
1530                 vm_abort("vm_create: primitive_init failed");
1531
1532         if (!exceptions_init())
1533                 vm_abort("vm_create: exceptions_init failed");
1534
1535         if (!builtin_init())
1536                 vm_abort("vm_create: builtin_init failed");
1537
1538         /* Initialize the native subsystem. */
1539         /* BEFORE: threads_init */
1540
1541         if (!native_init())
1542                 vm_abort("vm_create: native_init failed");
1543
1544         /* Register the native methods implemented in the VM. */
1545         /* BEFORE: threads_init */
1546
1547         if (!nativevm_preinit())
1548                 vm_abort("vm_create: nativevm_preinit failed");
1549
1550 #if defined(ENABLE_JNI)
1551         /* Initialize the JNI subsystem (must be done _before_
1552            threads_init, as threads_init can call JNI methods
1553            (e.g. NewGlobalRef). */
1554
1555         if (!jni_init())
1556                 vm_abort("vm_create: jni_init failed");
1557 #endif
1558
1559 #if defined(ENABLE_THREADS)
1560         if (!threads_init())
1561                 vm_abort("vm_create: threads_init failed");
1562 #endif
1563
1564         /* Initialize the native VM subsystem. */
1565         /* AFTER: threads_init (at least for SUN's classes) */
1566
1567         if (!nativevm_init())
1568                 vm_abort("vm_create: nativevm_init failed");
1569
1570 #if defined(ENABLE_PROFILING)
1571         /* initialize profiling */
1572
1573         if (!profile_init())
1574                 vm_abort("vm_create: profile_init failed");
1575 #endif
1576
1577 #if defined(ENABLE_THREADS)
1578         /* initialize recompilation */
1579
1580         if (!recompile_init())
1581                 vm_abort("vm_create: recompile_init failed");
1582
1583         /* start the signal handler thread */
1584
1585 #if defined(__LINUX__)
1586         /* XXX Remove for exact-GC. */
1587         if (threads_pthreads_implementation_nptl)
1588 #endif
1589                 if (!signal_start_thread())
1590                         vm_abort("vm_create: signal_start_thread failed");
1591
1592         /* finally, start the finalizer thread */
1593
1594         if (!finalizer_start_thread())
1595                 vm_abort("vm_create: finalizer_start_thread failed");
1596
1597 # if !defined(NDEBUG)
1598         /* start the memory profiling thread */
1599
1600         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1601                 if (!memory_start_thread())
1602                         vm_abort("vm_create: memory_start_thread failed");
1603 # endif
1604
1605         /* start the recompilation thread (must be done before the
1606            profiling thread) */
1607
1608         if (!recompile_start_thread())
1609                 vm_abort("vm_create: recompile_start_thread failed");
1610
1611 # if defined(ENABLE_PROFILING)
1612         /* start the profile sampling thread */
1613
1614 /*      if (opt_prof) */
1615 /*              if (!profile_start_thread()) */
1616 /*                      vm_abort("vm_create: profile_start_thread failed"); */
1617 # endif
1618 #endif
1619
1620 #if defined(ENABLE_JVMTI)
1621         if (jvmti) {
1622                 /* add agent library to native library hashtable */
1623                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1624         }
1625 #endif
1626
1627         /* increment the number of VMs */
1628
1629         vms++;
1630
1631         /* initialization is done */
1632
1633         vm_initializing = false;
1634
1635         /* everything's ok */
1636
1637         return true;
1638 }
1639
1640
1641 /* vm_run **********************************************************************
1642
1643    Runs the main-method of the passed class.
1644
1645 *******************************************************************************/
1646
1647 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1648 {
1649         utf                       *mainutf;
1650         classinfo                 *mainclass;
1651         java_handle_t             *e;
1652         methodinfo                *m;
1653         java_handle_objectarray_t *oa;
1654         s4                         oalength;
1655         utf                       *u;
1656         java_handle_t             *s;
1657         s4                         status;
1658         s4                         i;
1659
1660 #if !defined(NDEBUG)
1661         if (compileall) {
1662                 vm_compile_all();
1663                 return;
1664         }
1665
1666         if (opt_method != NULL) {
1667                 vm_compile_method();
1668                 return;
1669         }
1670 #endif /* !defined(NDEBUG) */
1671
1672         /* should we run the main-method? */
1673
1674         if (mainstring == NULL)
1675                 usage();
1676
1677         /* set return value to OK */
1678
1679         status = 0;
1680
1681         if (opt_jar == true) {
1682                 /* open jar file with java.util.jar.JarFile */
1683
1684                 mainstring = vm_get_mainclass_from_jar(mainstring);
1685
1686                 if (mainstring == NULL)
1687                         vm_exit(1);
1688         }
1689
1690         /* load the main class */
1691
1692         mainutf = utf_new_char(mainstring);
1693
1694 #if defined(ENABLE_JAVAME_CLDC1_1)
1695         mainclass = load_class_bootstrap(mainutf);
1696 #else
1697         mainclass = load_class_from_sysloader(mainutf);
1698 #endif
1699
1700         /* error loading class */
1701
1702         e = exceptions_get_and_clear_exception();
1703
1704         if ((e != NULL) || (mainclass == NULL)) {
1705                 exceptions_throw_noclassdeffounderror_cause(e);
1706                 exceptions_print_stacktrace();
1707                 vm_exit(1);
1708         }
1709
1710         if (!link_class(mainclass)) {
1711                 exceptions_print_stacktrace();
1712                 vm_exit(1);
1713         }
1714
1715         /* find the `main' method of the main class */
1716
1717         m = class_resolveclassmethod(mainclass,
1718                                                                  utf_new_char("main"),
1719                                                                  utf_new_char("([Ljava/lang/String;)V"),
1720                                                                  class_java_lang_Object,
1721                                                                  false);
1722
1723         if (exceptions_get_exception()) {
1724                 exceptions_print_stacktrace();
1725                 vm_exit(1);
1726         }
1727
1728         /* there is no main method or it isn't static */
1729
1730         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1731                 exceptions_clear_exception();
1732                 exceptions_throw_nosuchmethoderror(mainclass,
1733                                                                                    utf_new_char("main"),
1734                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1735
1736                 exceptions_print_stacktrace();
1737                 vm_exit(1);
1738         }
1739
1740         /* build argument array */
1741
1742         oalength = vm_args->nOptions - opt_index;
1743
1744         oa = builtin_anewarray(oalength, class_java_lang_String);
1745
1746         for (i = 0; i < oalength; i++) {
1747                 u = utf_new_char(vm_args->options[opt_index + i].optionString);
1748                 s = javastring_new(u);
1749
1750                 LLNI_objectarray_element_set(oa, i, s);
1751         }
1752
1753 #ifdef TYPEINFO_DEBUG_TEST
1754         /* test the typeinfo system */
1755         typeinfo_test();
1756 #endif
1757         /*class_showmethods(currentThread->group->header.vftbl->class); */
1758
1759 #if defined(ENABLE_JVMTI)
1760         jvmti_set_phase(JVMTI_PHASE_LIVE);
1761 #endif
1762
1763         /* set ThreadMXBean variables */
1764
1765         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1766         _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1767
1768         if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1769                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1770                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1771                         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1772
1773         /* start the main thread */
1774
1775         (void) vm_call_method(m, NULL, oa);
1776
1777         /* exception occurred? */
1778
1779         if (exceptions_get_exception()) {
1780                 exceptions_print_stacktrace();
1781                 status = 1;
1782         }
1783
1784         /* unload the JavaVM */
1785
1786         (void) vm_destroy(vm);
1787
1788         /* and exit */
1789
1790         vm_exit(status);
1791 }
1792
1793
1794 /* vm_destroy ******************************************************************
1795
1796    Unloads a Java VM and reclaims its resources.
1797
1798 *******************************************************************************/
1799
1800 s4 vm_destroy(JavaVM *vm)
1801 {
1802 #if defined(ENABLE_THREADS)
1803         threads_join_all_threads();
1804 #endif
1805
1806         /* everything's ok */
1807
1808         return 0;
1809 }
1810
1811
1812 /* vm_exit *********************************************************************
1813
1814    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1815
1816 *******************************************************************************/
1817
1818 void vm_exit(s4 status)
1819 {
1820         methodinfo *m;
1821
1822         /* signal that we are exiting */
1823
1824         vm_exiting = true;
1825
1826         assert(class_java_lang_System);
1827         assert(class_java_lang_System->state & CLASS_LOADED);
1828
1829 #if defined(ENABLE_JVMTI)
1830         if (jvmti || (dbgcom!=NULL)) {
1831                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1832                 if (jvmti) jvmti_agentunload();
1833         }
1834 #endif
1835
1836         if (!link_class(class_java_lang_System)) {
1837                 exceptions_print_stacktrace();
1838                 exit(1);
1839         }
1840
1841         /* call java.lang.System.exit(I)V */
1842
1843         m = class_resolveclassmethod(class_java_lang_System,
1844                                                                  utf_new_char("exit"),
1845                                                                  utf_int__void,
1846                                                                  class_java_lang_Object,
1847                                                                  true);
1848
1849         if (m == NULL) {
1850                 exceptions_print_stacktrace();
1851                 exit(1);
1852         }
1853
1854         /* call the exit function with passed exit status */
1855
1856         (void) vm_call_method(m, NULL, status);
1857
1858         /* If we had an exception, just ignore the exception and exit with
1859            the proper code. */
1860
1861         vm_shutdown(status);
1862 }
1863
1864
1865 /* vm_shutdown *****************************************************************
1866
1867    Terminates the system immediately without freeing memory explicitly
1868    (to be used only for abnormal termination).
1869
1870 *******************************************************************************/
1871
1872 void vm_shutdown(s4 status)
1873 {
1874         if (opt_verbose
1875 #if defined(ENABLE_STATISTICS)
1876                 || opt_getcompilingtime || opt_stat
1877 #endif
1878            )
1879         {
1880                 log_text("CACAO terminated by shutdown");
1881                 dolog("Exit status: %d\n", (s4) status);
1882
1883         }
1884
1885 #if defined(ENABLE_JVMTI)
1886         /* terminate cacaodbgserver */
1887         if (dbgcom!=NULL) {
1888                 pthread_mutex_lock(&dbgcomlock);
1889                 dbgcom->running=1;
1890                 pthread_mutex_unlock(&dbgcomlock);
1891                 jvmti_cacaodbgserver_quit();
1892         }
1893 #endif
1894
1895         exit(status);
1896 }
1897
1898
1899 /* vm_exit_handler *************************************************************
1900
1901    The exit_handler function is called upon program termination.
1902
1903    ATTENTION: Don't free system resources here! Some threads may still
1904    be running as this is called from VMRuntime.exit(). The OS does the
1905    cleanup for us.
1906
1907 *******************************************************************************/
1908
1909 void vm_exit_handler(void)
1910 {
1911 #if !defined(NDEBUG)
1912         if (showmethods)
1913                 class_showmethods(mainclass);
1914
1915         if (showconstantpool)
1916                 class_showconstantpool(mainclass);
1917
1918         if (showutf)
1919                 utf_show();
1920
1921 # if defined(ENABLE_PROFILING)
1922         if (opt_prof)
1923                 profile_printstats();
1924 # endif
1925 #endif /* !defined(NDEBUG) */
1926
1927 #if defined(ENABLE_RT_TIMING)
1928         rt_timing_print_time_stats(stderr);
1929 #endif
1930
1931 #if defined(ENABLE_CYCLES_STATS)
1932         builtin_print_cycles_stats(stderr);
1933         stacktrace_print_cycles_stats(stderr);
1934 #endif
1935
1936         if (opt_verbose
1937 #if defined(ENABLE_STATISTICS)
1938                 || opt_getcompilingtime || opt_stat
1939 #endif
1940            )
1941         {
1942                 log_text("CACAO terminated");
1943
1944 #if defined(ENABLE_STATISTICS)
1945                 if (opt_stat) {
1946                         print_stats();
1947 #ifdef TYPECHECK_STATISTICS
1948                         typecheck_print_statistics(get_logfile());
1949 #endif
1950                 }
1951
1952                 if (opt_getcompilingtime)
1953                         print_times();
1954 #endif /* defined(ENABLE_STATISTICS) */
1955         }
1956         /* vm_print_profile(stderr);*/
1957 }
1958
1959
1960 /* vm_abort ********************************************************************
1961
1962    Prints an error message and aborts the VM.
1963
1964 *******************************************************************************/
1965
1966 void vm_abort(const char *text, ...)
1967 {
1968         va_list ap;
1969
1970         /* print the log message */
1971
1972         log_start();
1973
1974         va_start(ap, text);
1975         log_vprint(text, ap);
1976         va_end(ap);
1977
1978         log_finish();
1979
1980         /* now abort the VM */
1981
1982         abort();
1983 }
1984
1985
1986 /* vm_get_mainclass_from_jar ***************************************************
1987
1988    Gets the name of the main class from a JAR's manifest file.
1989
1990 *******************************************************************************/
1991
1992 static char *vm_get_mainclass_from_jar(char *mainstring)
1993 {
1994         classinfo     *c;
1995         java_handle_t *o;
1996         methodinfo    *m;
1997         java_handle_t *s;
1998
1999         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2000
2001         if (c == NULL) {
2002                 exceptions_print_stacktrace();
2003                 return NULL;
2004         }
2005
2006         /* create JarFile object */
2007
2008         o = builtin_new(c);
2009
2010         if (o == NULL) {
2011                 exceptions_print_stacktrace();
2012                 return NULL;
2013         }
2014
2015         m = class_resolveclassmethod(c,
2016                                                                  utf_init,
2017                                                                  utf_java_lang_String__void,
2018                                                                  class_java_lang_Object,
2019                                                                  true);
2020
2021         if (m == NULL) {
2022                 exceptions_print_stacktrace();
2023                 return NULL;
2024         }
2025
2026         s = javastring_new_from_ascii(mainstring);
2027
2028         (void) vm_call_method(m, o, s);
2029
2030         if (exceptions_get_exception()) {
2031                 exceptions_print_stacktrace();
2032                 return NULL;
2033         }
2034
2035         /* get manifest object */
2036
2037         m = class_resolveclassmethod(c,
2038                                                                  utf_new_char("getManifest"),
2039                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2040                                                                  class_java_lang_Object,
2041                                                                  true);
2042
2043         if (m == NULL) {
2044                 exceptions_print_stacktrace();
2045                 return NULL;
2046         }
2047
2048         o = vm_call_method(m, o);
2049
2050         if (o == NULL) {
2051                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainstring);
2052                 return NULL;
2053         }
2054
2055
2056         /* get Main Attributes */
2057
2058         m = class_resolveclassmethod(o->vftbl->class,
2059                                                                  utf_new_char("getMainAttributes"),
2060                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2061                                                                  class_java_lang_Object,
2062                                                                  true);
2063
2064         if (m == NULL) {
2065                 exceptions_print_stacktrace();
2066                 return NULL;
2067         }
2068
2069         o = vm_call_method(m, o);
2070
2071         if (o == NULL) {
2072                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainstring);
2073                 return NULL;
2074         }
2075
2076
2077         /* get property Main-Class */
2078
2079         m = class_resolveclassmethod(o->vftbl->class,
2080                                                                  utf_new_char("getValue"),
2081                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2082                                                                  class_java_lang_Object,
2083                                                                  true);
2084
2085         if (m == NULL) {
2086                 exceptions_print_stacktrace();
2087                 return NULL;
2088         }
2089
2090         s = javastring_new_from_ascii("Main-Class");
2091
2092         o = vm_call_method(m, o, s);
2093
2094         if (o == NULL) {
2095                 exceptions_print_stacktrace();
2096                 return NULL;
2097         }
2098
2099         return javastring_tochar(o);
2100 }
2101
2102
2103 /* vm_compile_all **************************************************************
2104
2105    Compile all methods found in the bootclasspath.
2106
2107 *******************************************************************************/
2108
2109 #if !defined(NDEBUG)
2110 static void vm_compile_all(void)
2111 {
2112         classinfo              *c;
2113         methodinfo             *m;
2114         u4                      slot;
2115         classcache_name_entry  *nmen;
2116         classcache_class_entry *clsen;
2117         s4                      i;
2118
2119         /* create all classes found in the bootclasspath */
2120         /* XXX currently only works with zip/jar's */
2121
2122         loader_load_all_classes();
2123
2124         /* link all classes */
2125
2126         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2127                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2128
2129                 for (; nmen; nmen = nmen->hashlink) {
2130                         /* iterate over all class entries */
2131
2132                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2133                                 c = clsen->classobj;
2134
2135                                 if (c == NULL)
2136                                         continue;
2137
2138                                 if (!(c->state & CLASS_LINKED)) {
2139                                         if (!link_class(c)) {
2140                                                 fprintf(stderr, "Error linking: ");
2141                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2142                                                 fprintf(stderr, "\n");
2143
2144                                                 /* print out exception and cause */
2145
2146                                                 exceptions_print_current_exception();
2147
2148                                                 /* goto next class */
2149
2150                                                 continue;
2151                                         }
2152                                 }
2153
2154                                 /* compile all class methods */
2155
2156                                 for (i = 0; i < c->methodscount; i++) {
2157                                         m = &(c->methods[i]);
2158
2159                                         if (m->jcode != NULL) {
2160                                                 if (!jit_compile(m)) {
2161                                                         fprintf(stderr, "Error compiling: ");
2162                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2163                                                         fprintf(stderr, ".");
2164                                                         utf_fprint_printable_ascii(stderr, m->name);
2165                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2166                                                         fprintf(stderr, "\n");
2167
2168                                                         /* print out exception and cause */
2169
2170                                                         exceptions_print_current_exception();
2171                                                 }
2172                                         }
2173                                 }
2174                         }
2175                 }
2176         }
2177 }
2178 #endif /* !defined(NDEBUG) */
2179
2180
2181 /* vm_compile_method ***********************************************************
2182
2183    Compile a specific method.
2184
2185 *******************************************************************************/
2186
2187 #if !defined(NDEBUG)
2188 static void vm_compile_method(void)
2189 {
2190         methodinfo *m;
2191
2192         /* create, load and link the main class */
2193
2194         mainclass = load_class_bootstrap(utf_new_char(mainstring));
2195
2196         if (mainclass == NULL)
2197                 exceptions_print_stacktrace();
2198
2199         if (!link_class(mainclass))
2200                 exceptions_print_stacktrace();
2201
2202         if (opt_signature != NULL) {
2203                 m = class_resolveclassmethod(mainclass,
2204                                                                          utf_new_char(opt_method),
2205                                                                          utf_new_char(opt_signature),
2206                                                                          mainclass,
2207                                                                          false);
2208         }
2209         else {
2210                 m = class_resolveclassmethod(mainclass,
2211                                                                          utf_new_char(opt_method),
2212                                                                          NULL,
2213                                                                          mainclass,
2214                                                                          false);
2215         }
2216
2217         if (m == NULL)
2218                 vm_abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2219                                  opt_method, opt_signature ? opt_signature : "");
2220
2221         jit_compile(m);
2222 }
2223 #endif /* !defined(NDEBUG) */
2224
2225
2226 /* vm_array_store_int **********************************************************
2227
2228    Helper function to store an integer into the argument array, taking
2229    care of architecture specific issues.
2230
2231 *******************************************************************************/
2232
2233 static void vm_array_store_int(uint64_t *array, paramdesc *pd, int32_t value)
2234 {
2235         int32_t index;
2236
2237         if (!pd->inmemory) {
2238                 index        = pd->index;
2239                 array[index] = (int64_t) value;
2240         }
2241         else {
2242                 index        = ARG_CNT + pd->index;
2243 #if SIZEOF_VOID_P == 8
2244                 array[index] = (int64_t) value;
2245 #else
2246 # if WORDS_BIGENDIAN == 1
2247                 array[index] = ((int64_t) value) << 32;
2248 # else
2249                 array[index] = (int64_t) value;
2250 # endif
2251 #endif
2252         }
2253 }
2254
2255
2256 /* vm_array_store_lng **********************************************************
2257
2258    Helper function to store a long into the argument array, taking
2259    care of architecture specific issues.
2260
2261 *******************************************************************************/
2262
2263 static void vm_array_store_lng(uint64_t *array, paramdesc *pd, int64_t value)
2264 {
2265         int32_t index;
2266
2267 #if SIZEOF_VOID_P == 8
2268         if (!pd->inmemory)
2269                 index = pd->index;
2270         else
2271                 index = ARG_CNT + pd->index;
2272
2273         array[index] = value;
2274 #else
2275         if (!pd->inmemory) {
2276                 /* move low and high 32-bits into it's own argument slot */
2277
2278                 index        = GET_LOW_REG(pd->index);
2279                 array[index] = value & 0x00000000ffffffff;
2280
2281                 index        = GET_HIGH_REG(pd->index);
2282                 array[index] = value >> 32;
2283         }
2284         else {
2285                 index        = ARG_CNT + pd->index;
2286                 array[index] = value;
2287         }
2288 #endif
2289 }
2290
2291
2292 /* vm_array_store_flt **********************************************************
2293
2294    Helper function to store a float into the argument array, taking
2295    care of architecture specific issues.
2296
2297 *******************************************************************************/
2298
2299 static void vm_array_store_flt(uint64_t *array, paramdesc *pd, uint64_t value)
2300 {
2301         int32_t index;
2302
2303         if (!pd->inmemory) {
2304 #if defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
2305                 index        = pd->index;
2306 #else
2307                 index        = INT_ARG_CNT + pd->index;
2308 #endif
2309 #if WORDS_BIGENDIAN == 1 && !defined(__POWERPC__) && !defined(__POWERPC64__) && !defined(__S390__)
2310                 array[index] = value >> 32;
2311 #else
2312                 array[index] = value;
2313 #endif
2314         }
2315         else {
2316                 index        = ARG_CNT + pd->index;
2317 #if defined(__SPARC_64__)
2318                 array[index] = value >> 32;
2319 #else
2320                 array[index] = value;
2321 #endif
2322         }
2323 }
2324
2325
2326 /* vm_array_store_dbl **********************************************************
2327
2328    Helper function to store a double into the argument array, taking
2329    care of architecture specific issues.
2330
2331 *******************************************************************************/
2332
2333 static void vm_array_store_dbl(uint64_t *array, paramdesc *pd, uint64_t value)
2334 {
2335         int32_t index;
2336
2337         if (!pd->inmemory) {
2338 #if SIZEOF_VOID_P != 8 && defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
2339                 index        = GET_LOW_REG(pd->index);
2340                 array[index] = value & 0x00000000ffffffff;
2341
2342                 index        = GET_HIGH_REG(pd->index);
2343                 array[index] = value >> 32;
2344 #else
2345                 index        = INT_ARG_CNT + pd->index;
2346                 array[index] = value;
2347 #endif
2348         }
2349         else {
2350                 index        = ARG_CNT + pd->index;
2351                 array[index] = value;
2352         }
2353 }
2354
2355
2356 /* vm_array_store_adr **********************************************************
2357
2358    Helper function to store an address into the argument array, taking
2359    care of architecture specific issues.
2360
2361 *******************************************************************************/
2362
2363 static void vm_array_store_adr(uint64_t *array, paramdesc *pd, void *value)
2364 {
2365         int32_t index;
2366
2367         if (!pd->inmemory) {
2368 #if defined(HAS_ADDRESS_REGISTER_FILE)
2369                 /* When the architecture has address registers, place them
2370                    after integer and float registers. */
2371
2372                 index        = INT_ARG_CNT + FLT_ARG_CNT + pd->index;
2373 #else
2374                 index        = pd->index;
2375 #endif
2376                 array[index] = (uint64_t) (intptr_t) value;
2377         }
2378         else {
2379                 index        = ARG_CNT + pd->index;
2380 #if SIZEOF_VOID_P == 8
2381                 array[index] = (uint64_t) (intptr_t) value;
2382 #else
2383 # if WORDS_BIGENDIAN == 1
2384                 array[index] = ((uint64_t) (intptr_t) value) << 32;
2385 # else
2386                 array[index] = (uint64_t) (intptr_t) value;
2387 # endif
2388 #endif
2389         }
2390 }
2391
2392
2393 /* vm_array_from_valist ********************************************************
2394
2395    XXX
2396
2397 *******************************************************************************/
2398
2399 uint64_t *vm_array_from_valist(methodinfo *m, java_object_t *o, va_list ap)
2400 {
2401         methoddesc *md;
2402         paramdesc  *pd;
2403         typedesc   *td;
2404         uint64_t   *array;
2405         int32_t     i;
2406         imm_union   value;
2407
2408         /* get the descriptors */
2409
2410         md = m->parseddesc;
2411         pd = md->params;
2412         td = md->paramtypes;
2413
2414         /* allocate argument array */
2415
2416         array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
2417
2418         /* if method is non-static fill first block and skip `this' pointer */
2419
2420         i = 0;
2421
2422         if (o != NULL) {
2423                 /* the `this' pointer */
2424                 vm_array_store_adr(array, pd, o);
2425
2426                 pd++;
2427                 td++;
2428                 i++;
2429         }
2430
2431         for (; i < md->paramcount; i++, pd++, td++) {
2432                 switch (td->type) {
2433                 case TYPE_INT:
2434                         value.i = va_arg(ap, int32_t);
2435                         vm_array_store_int(array, pd, value.i);
2436                         break;
2437
2438                 case TYPE_LNG:
2439                         value.l = va_arg(ap, int64_t);
2440                         vm_array_store_lng(array, pd, value.l);
2441                         break;
2442
2443                 case TYPE_FLT:
2444 #if defined(__ALPHA__) || defined(__POWERPC__) || defined(__POWERPC64__)
2445                         /* This is required to load the correct float value in
2446                            assembler code. */
2447
2448                         value.d = (double) va_arg(ap, double);
2449 #else
2450                         value.f = (float) va_arg(ap, double);
2451 #endif
2452                         vm_array_store_flt(array, pd, value.l);
2453                         break;
2454
2455                 case TYPE_DBL:
2456                         value.d = va_arg(ap, double);
2457                         vm_array_store_dbl(array, pd, value.l);
2458                         break;
2459
2460                 case TYPE_ADR:
2461                         value.a = va_arg(ap, void*);
2462                         vm_array_store_adr(array, pd, value.a);
2463                         break;
2464                 }
2465         }
2466
2467         return array;
2468 }
2469
2470
2471 /* vm_array_from_jvalue ********************************************************
2472
2473    XXX
2474
2475 *******************************************************************************/
2476
2477 static uint64_t *vm_array_from_jvalue(methodinfo *m, java_object_t *o,
2478                                                                           const jvalue *args)
2479 {
2480         methoddesc *md;
2481         paramdesc  *pd;
2482         typedesc   *td;
2483         uint64_t   *array;
2484         int32_t     i;
2485         int32_t     j;
2486
2487         /* get the descriptors */
2488
2489         md = m->parseddesc;
2490         pd = md->params;
2491         td = md->paramtypes;
2492
2493         /* allocate argument array */
2494
2495 #if defined(HAS_ADDRESS_REGISTER_FILE)
2496         array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + ADR_ARG_CNT + md->memuse);
2497 #else
2498         array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
2499 #endif
2500
2501         /* if method is non-static fill first block and skip `this' pointer */
2502
2503         i = 0;
2504
2505         if (o != NULL) {
2506                 /* the `this' pointer */
2507                 vm_array_store_adr(array, pd, o);
2508
2509                 pd++;
2510                 td++;
2511                 i++;
2512         }
2513
2514         for (j = 0; i < md->paramcount; i++, j++, pd++, td++) {
2515                 switch (td->decltype) {
2516                 case TYPE_INT:
2517                         vm_array_store_int(array, pd, args[j].i);
2518                         break;
2519
2520                 case TYPE_LNG:
2521                         vm_array_store_lng(array, pd, args[j].j);
2522                         break;
2523
2524                 case TYPE_FLT:
2525                         vm_array_store_flt(array, pd, args[j].j);
2526                         break;
2527
2528                 case TYPE_DBL:
2529                         vm_array_store_dbl(array, pd, args[j].j);
2530                         break;
2531
2532                 case TYPE_ADR:
2533                         vm_array_store_adr(array, pd, args[j].l);
2534                         break;
2535                 }
2536         }
2537
2538         return array;
2539 }
2540
2541
2542 /* vm_array_from_objectarray ***************************************************
2543
2544    XXX
2545
2546 *******************************************************************************/
2547
2548 uint64_t *vm_array_from_objectarray(methodinfo *m, java_object_t *o,
2549                                                                         java_handle_objectarray_t *params)
2550 {
2551         methoddesc    *md;
2552         paramdesc     *pd;
2553         typedesc      *td;
2554         uint64_t      *array;
2555         java_handle_t *param;
2556         classinfo     *c;
2557         int            type;
2558         int32_t        i;
2559         int32_t        j;
2560         imm_union      value;
2561
2562         /* get the descriptors */
2563
2564         md = m->parseddesc;
2565         pd = md->params;
2566         td = md->paramtypes;
2567
2568         /* allocate argument array */
2569
2570         array = DMNEW(uint64_t, INT_ARG_CNT + FLT_ARG_CNT + md->memuse);
2571
2572         /* if method is non-static fill first block and skip `this' pointer */
2573
2574         i = 0;
2575
2576         if (o != NULL) {
2577                 /* this pointer */
2578                 vm_array_store_adr(array, pd, o);
2579
2580                 pd++;
2581                 td++;
2582                 i++;
2583         }
2584
2585         for (j = 0; i < md->paramcount; i++, j++, pd++, td++) {
2586                 LLNI_objectarray_element_get(params, j, param);
2587
2588                 switch (td->type) {
2589                 case TYPE_INT:
2590                         if (param == NULL)
2591                                 goto illegal_arg;
2592
2593                         /* convert the value according to its declared type */
2594
2595                         c    = param->vftbl->class;
2596                         type = primitive_type_get_by_wrapperclass(c);
2597
2598                         switch (td->decltype) {
2599                         case PRIMITIVETYPE_BOOLEAN:
2600                                 switch (type) {
2601                                 case PRIMITIVETYPE_BOOLEAN:
2602                                         /* This type is OK. */
2603                                         break;
2604                                 default:
2605                                         goto illegal_arg;
2606                                 }
2607                                 break;
2608
2609                         case PRIMITIVETYPE_BYTE:
2610                                 switch (type) {
2611                                 case PRIMITIVETYPE_BYTE:
2612                                         /* This type is OK. */
2613                                         break;
2614                                 default:
2615                                         goto illegal_arg;
2616                                 }
2617                                 break;
2618
2619                         case PRIMITIVETYPE_CHAR:
2620                                 switch (type) {
2621                                 case PRIMITIVETYPE_CHAR:
2622                                         /* This type is OK. */
2623                                         break;
2624                                 default:
2625                                         goto illegal_arg;
2626                                 }
2627                                 break;
2628
2629                         case PRIMITIVETYPE_SHORT:
2630                                 switch (type) {
2631                                 case PRIMITIVETYPE_BYTE:
2632                                 case PRIMITIVETYPE_SHORT:
2633                                         /* These types are OK. */
2634                                         break;
2635                                 default:
2636                                         goto illegal_arg;
2637                                 }
2638                                 break;
2639
2640                         case PRIMITIVETYPE_INT:
2641                                 switch (type) {
2642                                 case PRIMITIVETYPE_BYTE:
2643                                 case PRIMITIVETYPE_SHORT:
2644                                 case PRIMITIVETYPE_INT:
2645                                         /* These types are OK. */
2646                                         break;
2647                                 default:
2648                                         goto illegal_arg;
2649                                 }
2650                                 break;
2651
2652                         default:
2653                                 vm_abort("vm_array_from_objectarray: invalid type %d",
2654                                                  td->decltype);
2655                         }
2656
2657                         value = primitive_unbox(param);
2658                         vm_array_store_int(array, pd, value.i);
2659                         break;
2660
2661                 case TYPE_LNG:
2662                         if (param == NULL)
2663                                 goto illegal_arg;
2664
2665                         c    = param->vftbl->class;
2666                         type = primitive_type_get_by_wrapperclass(c);
2667
2668                         assert(td->decltype == PRIMITIVETYPE_LONG);
2669
2670                         switch (type) {
2671                         case PRIMITIVETYPE_BYTE:
2672                         case PRIMITIVETYPE_SHORT:
2673                         case PRIMITIVETYPE_INT:
2674                         case PRIMITIVETYPE_LONG:
2675                                 /* These types are OK. */
2676                                 break;
2677                         default:
2678                                 goto illegal_arg;
2679                         }
2680
2681                         value = primitive_unbox(param);
2682                         vm_array_store_lng(array, pd, value.l);
2683                         break;
2684
2685                 case TYPE_FLT:
2686                         if (param == NULL)
2687                                 goto illegal_arg;
2688
2689                         c    = param->vftbl->class;
2690                         type = primitive_type_get_by_wrapperclass(c);
2691
2692                         assert(td->decltype == PRIMITIVETYPE_FLOAT);
2693
2694                         switch (type) {
2695                         case PRIMITIVETYPE_FLOAT:
2696                                 /* This type is OK. */
2697                                 break;
2698                         default:
2699                                 goto illegal_arg;
2700                         }
2701
2702                         value = primitive_unbox(param);
2703                         vm_array_store_flt(array, pd, value.l);
2704                         break;
2705
2706                 case TYPE_DBL:
2707                         if (param == NULL)
2708                                 goto illegal_arg;
2709
2710                         c    = param->vftbl->class;
2711                         type = primitive_type_get_by_wrapperclass(c);
2712
2713                         assert(td->decltype == PRIMITIVETYPE_DOUBLE);
2714
2715                         switch (type) {
2716                         case PRIMITIVETYPE_FLOAT:
2717                         case PRIMITIVETYPE_DOUBLE:
2718                                 /* These types are OK. */
2719                                 break;
2720                         default:
2721                                 goto illegal_arg;
2722                         }
2723
2724                         value = primitive_unbox(param);
2725                         vm_array_store_dbl(array, pd, value.l);
2726                         break;
2727
2728                 case TYPE_ADR:
2729                         if (!resolve_class_from_typedesc(td, true, true, &c))
2730                                 return false;
2731
2732                         if (param != NULL) {
2733                                 if (td->arraydim > 0) {
2734                                         if (!builtin_arrayinstanceof(param, c))
2735                                                 goto illegal_arg;
2736                                 }
2737                                 else {
2738                                         if (!builtin_instanceof(param, c))
2739                                                 goto illegal_arg;
2740                                 }
2741                         }
2742
2743                         vm_array_store_adr(array, pd, param);
2744                         break;
2745
2746                 default:
2747                         vm_abort("vm_array_from_objectarray: invalid type %d", td->type);
2748                 }
2749         }
2750
2751         return array;
2752
2753 illegal_arg:
2754         exceptions_throw_illegalargumentexception();
2755         return NULL;
2756 }
2757
2758
2759 /* vm_call_method **************************************************************
2760
2761    Calls a Java method with a variable number of arguments.
2762
2763 *******************************************************************************/
2764
2765 #define VM_CALL_METHOD(name, type)                                  \
2766 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2767 {                                                                   \
2768         va_list ap;                                                     \
2769         type    value;                                                  \
2770                                                                     \
2771         va_start(ap, o);                                                \
2772         value = vm_call_method##name##_valist(m, o, ap);                \
2773         va_end(ap);                                                     \
2774                                                                     \
2775         return value;                                                   \
2776 }
2777
2778 VM_CALL_METHOD(,        java_handle_t *)
2779 VM_CALL_METHOD(_int,    int32_t)
2780 VM_CALL_METHOD(_long,   int64_t)
2781 VM_CALL_METHOD(_float,  float)
2782 VM_CALL_METHOD(_double, double)
2783
2784
2785 /* vm_call_method_valist *******************************************************
2786
2787    Calls a Java method with a variable number of arguments, passed via
2788    a va_list.
2789
2790 *******************************************************************************/
2791
2792 #define VM_CALL_METHOD_VALIST(name, type)                               \
2793 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2794                                                                    va_list ap)                          \
2795 {                                                                       \
2796         int32_t   dumpsize;                                                 \
2797         uint64_t *array;                                                    \
2798         type      value;                                                    \
2799                                                                         \
2800         dumpsize = dump_size();                                             \
2801         array = vm_array_from_valist(m, o, ap);                             \
2802         value = vm_call##name##_array(m, array);                            \
2803         dump_release(dumpsize);                                             \
2804                                                                         \
2805         return value;                                                       \
2806 }
2807
2808 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2809 VM_CALL_METHOD_VALIST(_int,    int32_t)
2810 VM_CALL_METHOD_VALIST(_long,   int64_t)
2811 VM_CALL_METHOD_VALIST(_float,  float)
2812 VM_CALL_METHOD_VALIST(_double, double)
2813
2814
2815 /* vm_call_method_jvalue *******************************************************
2816
2817    Calls a Java method with a variable number of arguments, passed via
2818    a jvalue array.
2819
2820 *******************************************************************************/
2821
2822 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2823 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2824                                                            const jvalue *args)                  \
2825 {                                                                       \
2826         int32_t   dumpsize;                                                 \
2827         uint64_t *array;                                                    \
2828         type      value;                                                    \
2829                                                                         \
2830         dumpsize = dump_size();                                             \
2831         array = vm_array_from_jvalue(m, o, args);                           \
2832         value = vm_call##name##_array(m, array);                            \
2833         dump_release(dumpsize);                                             \
2834                                                                         \
2835         return value;                                                       \
2836 }
2837
2838 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2839 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2840 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2841 VM_CALL_METHOD_JVALUE(_float,  float)
2842 VM_CALL_METHOD_JVALUE(_double, double)
2843
2844
2845 /* vm_call_array ***************************************************************
2846
2847    Calls a Java method with a variable number of arguments, passed via
2848    an argument array.
2849
2850 *******************************************************************************/
2851
2852 #define VM_CALL_ARRAY(name, type)                            \
2853 type vm_call##name##_array(methodinfo *m, uint64_t *array)   \
2854 {                                                            \
2855         methoddesc *md;                                          \
2856         void       *pv;                                          \
2857         type        value;                                       \
2858                                                              \
2859         md = m->parseddesc;                                      \
2860                                                              \
2861         if (m->code == NULL)                                     \
2862                 if (!jit_compile(m))                                 \
2863                         return 0;                                        \
2864                                                              \
2865     pv = m->code->entrypoint;                                \
2866                                                              \
2867         STATISTICS(count_calls_native_to_java++);                \
2868                                                              \
2869         value = asm_vm_call_method##name(pv, array, md->memuse); \
2870                                                              \
2871         return value;                                            \
2872 }
2873
2874 VM_CALL_ARRAY(,        java_handle_t *)
2875 VM_CALL_ARRAY(_int,    int32_t)
2876 VM_CALL_ARRAY(_long,   int64_t)
2877 VM_CALL_ARRAY(_float,  float)
2878 VM_CALL_ARRAY(_double, double)
2879
2880
2881 /*
2882  * These are local overrides for various environment variables in Emacs.
2883  * Please do not remove this and leave it at the end of the file, where
2884  * Emacs will automagically detect them.
2885  * ---------------------------------------------------------------------
2886  * Local variables:
2887  * mode: c
2888  * indent-tabs-mode: t
2889  * c-basic-offset: 4
2890  * tab-width: 4
2891  * End:
2892  */