Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/java.cpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | fb1a39993f69 |
| children | 2a47bd84841f |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_java.cpp.incl" | |
| 27 | |
| 28 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); | |
| 29 | |
| 30 #ifndef PRODUCT | |
| 31 | |
| 32 // Statistics printing (method invocation histogram) | |
| 33 | |
| 34 GrowableArray<methodOop>* collected_invoked_methods; | |
| 35 | |
| 36 void collect_invoked_methods(methodOop m) { | |
| 37 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { | |
| 38 collected_invoked_methods->push(m); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 | |
| 43 GrowableArray<methodOop>* collected_profiled_methods; | |
| 44 | |
| 45 void collect_profiled_methods(methodOop m) { | |
| 46 methodHandle mh(Thread::current(), m); | |
| 47 if ((m->method_data() != NULL) && | |
| 48 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
| 49 collected_profiled_methods->push(m); | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 | |
| 54 int compare_methods(methodOop* a, methodOop* b) { | |
| 55 // %%% there can be 32-bit overflow here | |
| 56 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
| 57 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
| 58 } | |
| 59 | |
| 60 | |
| 61 void print_method_invocation_histogram() { | |
| 62 ResourceMark rm; | |
| 63 HandleMark hm; | |
| 64 collected_invoked_methods = new GrowableArray<methodOop>(1024); | |
| 65 SystemDictionary::methods_do(collect_invoked_methods); | |
| 66 collected_invoked_methods->sort(&compare_methods); | |
| 67 // | |
| 68 tty->cr(); | |
| 69 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
| 70 tty->cr(); | |
| 71 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
| 72 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
| 73 synch_total = 0, nativ_total = 0, acces_total = 0; | |
| 74 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
| 75 methodOop m = collected_invoked_methods->at(index); | |
| 76 int c = m->invocation_count() + m->compiled_invocation_count(); | |
| 77 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
| 78 int_total += m->invocation_count(); | |
| 79 comp_total += m->compiled_invocation_count(); | |
| 80 if (m->is_final()) final_total += c; | |
| 81 if (m->is_static()) static_total += c; | |
| 82 if (m->is_synchronized()) synch_total += c; | |
| 83 if (m->is_native()) nativ_total += c; | |
| 84 if (m->is_accessor()) acces_total += c; | |
| 85 } | |
| 86 tty->cr(); | |
| 87 total = int_total + comp_total; | |
| 88 tty->print_cr("Invocations summary:"); | |
| 89 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
| 90 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
| 91 tty->print_cr("\t%9d (100%%) total", total); | |
| 92 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
| 93 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
| 94 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
| 95 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
| 96 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
| 97 tty->cr(); | |
| 98 SharedRuntime::print_call_statistics(comp_total); | |
| 99 } | |
| 100 | |
| 101 void print_method_profiling_data() { | |
| 102 ResourceMark rm; | |
| 103 HandleMark hm; | |
| 104 collected_profiled_methods = new GrowableArray<methodOop>(1024); | |
| 105 SystemDictionary::methods_do(collect_profiled_methods); | |
| 106 collected_profiled_methods->sort(&compare_methods); | |
| 107 | |
| 108 int count = collected_profiled_methods->length(); | |
| 109 if (count > 0) { | |
| 110 for (int index = 0; index < count; index++) { | |
| 111 methodOop m = collected_profiled_methods->at(index); | |
| 112 ttyLocker ttyl; | |
| 113 tty->print_cr("------------------------------------------------------------------------"); | |
| 114 //m->print_name(tty); | |
| 115 m->print_invocation_count(); | |
| 116 tty->cr(); | |
| 117 m->print_codes(); | |
| 118 } | |
| 119 tty->print_cr("------------------------------------------------------------------------"); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 void print_bytecode_count() { | |
| 124 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
| 125 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 AllocStats alloc_stats; | |
| 130 | |
| 131 | |
| 132 | |
| 133 // General statistics printing (profiling ...) | |
| 134 | |
| 135 void print_statistics() { | |
| 136 | |
| 137 #ifdef ASSERT | |
| 138 | |
| 139 if (CountRuntimeCalls) { | |
| 140 extern Histogram *RuntimeHistogram; | |
| 141 RuntimeHistogram->print(); | |
| 142 } | |
| 143 | |
| 144 if (CountJNICalls) { | |
| 145 extern Histogram *JNIHistogram; | |
| 146 JNIHistogram->print(); | |
| 147 } | |
| 148 | |
| 149 if (CountJVMCalls) { | |
| 150 extern Histogram *JVMHistogram; | |
| 151 JVMHistogram->print(); | |
| 152 } | |
| 153 | |
| 154 #endif | |
| 155 | |
| 156 if (MemProfiling) { | |
| 157 MemProfiler::disengage(); | |
| 158 } | |
| 159 | |
| 160 if (CITime) { | |
| 161 CompileBroker::print_times(); | |
| 162 } | |
| 163 | |
| 164 #ifdef COMPILER1 | |
| 165 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
| 166 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
| 167 Runtime1::print_statistics(); | |
| 168 Deoptimization::print_statistics(); | |
| 169 nmethod::print_statistics(); | |
| 170 } | |
| 171 #endif /* COMPILER1 */ | |
| 172 | |
| 173 #ifdef COMPILER2 | |
| 174 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
| 175 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
| 176 Compile::print_statistics(); | |
| 177 #ifndef COMPILER1 | |
| 178 Deoptimization::print_statistics(); | |
| 179 nmethod::print_statistics(); | |
| 180 #endif //COMPILER1 | |
| 181 SharedRuntime::print_statistics(); | |
| 182 os::print_statistics(); | |
| 183 } | |
| 184 | |
| 185 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { | |
| 186 OptoRuntime::print_named_counters(); | |
| 187 } | |
| 188 | |
| 189 if (TimeLivenessAnalysis) { | |
| 190 MethodLiveness::print_times(); | |
| 191 } | |
| 192 #ifdef ASSERT | |
| 193 if (CollectIndexSetStatistics) { | |
| 194 IndexSet::print_statistics(); | |
| 195 } | |
| 196 #endif // ASSERT | |
| 197 #endif // COMPILER2 | |
| 198 if (CountCompiledCalls) { | |
| 199 print_method_invocation_histogram(); | |
| 200 } | |
| 201 if (ProfileInterpreter || Tier1UpdateMethodData) { | |
| 202 print_method_profiling_data(); | |
| 203 } | |
| 204 if (TimeCompiler) { | |
| 205 COMPILER2_PRESENT(Compile::print_timers();) | |
| 206 } | |
| 207 if (TimeCompilationPolicy) { | |
| 208 CompilationPolicy::policy()->print_time(); | |
| 209 } | |
| 210 if (TimeOopMap) { | |
| 211 GenerateOopMap::print_time(); | |
| 212 } | |
| 213 if (ProfilerCheckIntervals) { | |
| 214 PeriodicTask::print_intervals(); | |
| 215 } | |
| 216 if (PrintSymbolTableSizeHistogram) { | |
| 217 SymbolTable::print_histogram(); | |
| 218 } | |
| 219 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
| 220 BytecodeCounter::print(); | |
| 221 } | |
| 222 if (PrintBytecodePairHistogram) { | |
| 223 BytecodePairHistogram::print(); | |
| 224 } | |
| 225 | |
| 226 if (PrintCodeCache) { | |
| 227 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 228 CodeCache::print(); | |
| 229 } | |
| 230 | |
| 231 if (PrintCodeCache2) { | |
| 232 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 233 CodeCache::print_internals(); | |
| 234 } | |
| 235 | |
| 236 if (PrintClassStatistics) { | |
| 237 SystemDictionary::print_class_statistics(); | |
| 238 } | |
| 239 if (PrintMethodStatistics) { | |
| 240 SystemDictionary::print_method_statistics(); | |
| 241 } | |
| 242 | |
| 243 if (PrintVtableStats) { | |
| 244 klassVtable::print_statistics(); | |
| 245 klassItable::print_statistics(); | |
| 246 } | |
| 247 if (VerifyOops) { | |
| 248 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
| 249 } | |
| 250 | |
| 251 print_bytecode_count(); | |
| 252 if (WizardMode) { | |
| 253 tty->print("allocation stats: "); | |
| 254 alloc_stats.print(); | |
| 255 tty->cr(); | |
| 256 } | |
| 257 | |
| 258 if (PrintSystemDictionaryAtExit) { | |
| 259 SystemDictionary::print(); | |
| 260 } | |
| 261 | |
| 262 if (PrintBiasedLockingStatistics) { | |
| 263 BiasedLocking::print_counters(); | |
| 264 } | |
| 265 | |
| 266 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 267 #ifdef COMPILER2 | |
| 268 if (ZapDeadCompiledLocals) { | |
| 269 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
| 270 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
| 271 } | |
| 272 #endif // COMPILER2 | |
| 273 #endif // ENABLE_ZAP_DEAD_LOCALS | |
| 274 } | |
| 275 | |
| 276 #else // PRODUCT MODE STATISTICS | |
| 277 | |
| 278 void print_statistics() { | |
| 279 | |
| 280 if (CITime) { | |
| 281 CompileBroker::print_times(); | |
| 282 } | |
| 283 #ifdef COMPILER2 | |
| 284 if (PrintPreciseBiasedLockingStatistics) { | |
| 285 OptoRuntime::print_named_counters(); | |
| 286 } | |
| 287 #endif | |
| 288 if (PrintBiasedLockingStatistics) { | |
| 289 BiasedLocking::print_counters(); | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 #endif | |
| 294 | |
| 295 | |
| 296 // Helper class for registering on_exit calls through JVM_OnExit | |
| 297 | |
| 298 extern "C" { | |
| 299 typedef void (*__exit_proc)(void); | |
| 300 } | |
| 301 | |
| 302 class ExitProc : public CHeapObj { | |
| 303 private: | |
| 304 __exit_proc _proc; | |
| 305 // void (*_proc)(void); | |
| 306 ExitProc* _next; | |
| 307 public: | |
| 308 // ExitProc(void (*proc)(void)) { | |
| 309 ExitProc(__exit_proc proc) { | |
| 310 _proc = proc; | |
| 311 _next = NULL; | |
| 312 } | |
| 313 void evaluate() { _proc(); } | |
| 314 ExitProc* next() const { return _next; } | |
| 315 void set_next(ExitProc* next) { _next = next; } | |
| 316 }; | |
| 317 | |
| 318 | |
| 319 // Linked list of registered on_exit procedures | |
| 320 | |
| 321 static ExitProc* exit_procs = NULL; | |
| 322 | |
| 323 | |
| 324 extern "C" { | |
| 325 void register_on_exit_function(void (*func)(void)) { | |
| 326 ExitProc *entry = new ExitProc(func); | |
| 327 // Classic vm does not throw an exception in case the allocation failed, | |
| 328 if (entry != NULL) { | |
| 329 entry->set_next(exit_procs); | |
| 330 exit_procs = entry; | |
| 331 } | |
| 332 } | |
| 333 } | |
| 334 | |
| 335 // Note: before_exit() can be executed only once, if more than one threads | |
| 336 // are trying to shutdown the VM at the same time, only one thread | |
| 337 // can run before_exit() and all other threads must wait. | |
| 338 void before_exit(JavaThread * thread) { | |
| 339 #define BEFORE_EXIT_NOT_RUN 0 | |
| 340 #define BEFORE_EXIT_RUNNING 1 | |
| 341 #define BEFORE_EXIT_DONE 2 | |
| 342 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
| 343 | |
| 344 // Note: don't use a Mutex to guard the entire before_exit(), as | |
| 345 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
| 346 // A CAS or OSMutex would work just fine but then we need to manipulate | |
| 347 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
| 348 // for synchronization. | |
| 349 { MutexLocker ml(BeforeExit_lock); | |
| 350 switch (_before_exit_status) { | |
| 351 case BEFORE_EXIT_NOT_RUN: | |
| 352 _before_exit_status = BEFORE_EXIT_RUNNING; | |
| 353 break; | |
| 354 case BEFORE_EXIT_RUNNING: | |
| 355 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
| 356 BeforeExit_lock->wait(); | |
| 357 } | |
| 358 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
| 359 return; | |
| 360 case BEFORE_EXIT_DONE: | |
| 361 return; | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 // The only difference between this and Win32's _onexit procs is that | |
| 366 // this version is invoked before any threads get killed. | |
| 367 ExitProc* current = exit_procs; | |
| 368 while (current != NULL) { | |
| 369 ExitProc* next = current->next(); | |
| 370 current->evaluate(); | |
| 371 delete current; | |
| 372 current = next; | |
| 373 } | |
| 374 | |
| 375 // Hang forever on exit if we're reporting an error. | |
| 376 if (ShowMessageBoxOnError && is_error_reported()) { | |
| 377 os::infinite_sleep(); | |
| 378 } | |
| 379 | |
| 380 // Terminate watcher thread - must before disenrolling any periodic task | |
| 381 WatcherThread::stop(); | |
| 382 | |
| 383 // Print statistics gathered (profiling ...) | |
| 384 if (Arguments::has_profile()) { | |
| 385 FlatProfiler::disengage(); | |
| 386 FlatProfiler::print(10); | |
| 387 } | |
| 388 | |
| 389 // shut down the StatSampler task | |
| 390 StatSampler::disengage(); | |
| 391 StatSampler::destroy(); | |
| 392 | |
| 393 #ifndef SERIALGC | |
| 394 // stop CMS threads | |
| 395 if (UseConcMarkSweepGC) { | |
| 396 ConcurrentMarkSweepThread::stop(); | |
| 397 } | |
| 398 #endif // SERIALGC | |
| 399 | |
| 400 // Print GC/heap related information. | |
| 401 if (PrintGCDetails) { | |
| 402 Universe::print(); | |
| 403 AdaptiveSizePolicyOutput(0); | |
| 404 } | |
| 405 | |
| 406 | |
| 407 if (Arguments::has_alloc_profile()) { | |
| 408 HandleMark hm; | |
| 409 // Do one last collection to enumerate all the objects | |
| 410 // allocated since the last one. | |
| 411 Universe::heap()->collect(GCCause::_allocation_profiler); | |
| 412 AllocationProfiler::disengage(); | |
| 413 AllocationProfiler::print(0); | |
| 414 } | |
| 415 | |
| 416 if (PrintBytecodeHistogram) { | |
| 417 BytecodeHistogram::print(); | |
| 418 } | |
| 419 | |
| 420 if (JvmtiExport::should_post_thread_life()) { | |
| 421 JvmtiExport::post_thread_end(thread); | |
| 422 } | |
| 423 // Always call even when there are not JVMTI environments yet, since environments | |
| 424 // may be attached late and JVMTI must track phases of VM execution | |
| 425 JvmtiExport::post_vm_death(); | |
| 426 Threads::shutdown_vm_agents(); | |
| 427 | |
| 428 // Terminate the signal thread | |
| 429 // Note: we don't wait until it actually dies. | |
| 430 os::terminate_signal_thread(); | |
| 431 | |
| 432 print_statistics(); | |
| 433 Universe::heap()->print_tracing_info(); | |
| 434 | |
| 435 VTune::exit(); | |
| 436 | |
| 437 { MutexLocker ml(BeforeExit_lock); | |
| 438 _before_exit_status = BEFORE_EXIT_DONE; | |
| 439 BeforeExit_lock->notify_all(); | |
| 440 } | |
| 441 | |
| 442 #undef BEFORE_EXIT_NOT_RUN | |
| 443 #undef BEFORE_EXIT_RUNNING | |
| 444 #undef BEFORE_EXIT_DONE | |
| 445 } | |
| 446 | |
| 447 void vm_exit(int code) { | |
| 448 Thread* thread = ThreadLocalStorage::thread_index() == -1 ? NULL | |
| 449 : ThreadLocalStorage::get_thread_slow(); | |
| 450 if (thread == NULL) { | |
| 451 // we have serious problems -- just exit | |
| 452 vm_direct_exit(code); | |
| 453 } | |
| 454 | |
| 455 if (VMThread::vm_thread() != NULL) { | |
| 456 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
| 457 VM_Exit op(code); | |
| 458 if (thread->is_Java_thread()) | |
| 459 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
| 460 VMThread::execute(&op); | |
| 461 // should never reach here; but in case something wrong with VM Thread. | |
| 462 vm_direct_exit(code); | |
| 463 } else { | |
| 464 // VM thread is gone, just exit | |
| 465 vm_direct_exit(code); | |
| 466 } | |
| 467 ShouldNotReachHere(); | |
| 468 } | |
| 469 | |
| 470 void notify_vm_shutdown() { | |
| 471 // For now, just a dtrace probe. | |
| 472 HS_DTRACE_PROBE(hotspot, vm__shutdown); | |
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473 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
| 0 | 474 } |
| 475 | |
| 476 void vm_direct_exit(int code) { | |
| 477 notify_vm_shutdown(); | |
| 478 ::exit(code); | |
| 479 } | |
| 480 | |
| 481 void vm_perform_shutdown_actions() { | |
| 482 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
| 483 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
| 484 // kinds of assertions to trigger in debug mode. | |
| 485 if (is_init_completed()) { | |
| 486 Thread* thread = Thread::current(); | |
| 487 if (thread->is_Java_thread()) { | |
| 488 // We are leaving the VM, set state to native (in case any OS exit | |
| 489 // handlers call back to the VM) | |
| 490 JavaThread* jt = (JavaThread*)thread; | |
| 491 // Must always be walkable or have no last_Java_frame when in | |
| 492 // thread_in_native | |
| 493 jt->frame_anchor()->make_walkable(jt); | |
| 494 jt->set_thread_state(_thread_in_native); | |
| 495 } | |
| 496 } | |
| 497 notify_vm_shutdown(); | |
| 498 } | |
| 499 | |
| 500 void vm_shutdown() | |
| 501 { | |
| 502 vm_perform_shutdown_actions(); | |
| 503 os::shutdown(); | |
| 504 } | |
| 505 | |
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506 void vm_abort(bool dump_core) { |
| 0 | 507 vm_perform_shutdown_actions(); |
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508 os::abort(dump_core); |
| 0 | 509 ShouldNotReachHere(); |
| 510 } | |
| 511 | |
| 512 void vm_notify_during_shutdown(const char* error, const char* message) { | |
| 513 if (error != NULL) { | |
| 514 tty->print_cr("Error occurred during initialization of VM"); | |
| 515 tty->print("%s", error); | |
| 516 if (message != NULL) { | |
| 517 tty->print_cr(": %s", message); | |
| 518 } | |
| 519 else { | |
| 520 tty->cr(); | |
| 521 } | |
| 522 } | |
| 523 if (ShowMessageBoxOnError && WizardMode) { | |
| 524 fatal("Error occurred during initialization of VM"); | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 void vm_exit_during_initialization(Handle exception) { | |
| 529 tty->print_cr("Error occurred during initialization of VM"); | |
| 530 // If there are exceptions on this thread it must be cleared | |
| 531 // first and here. Any future calls to EXCEPTION_MARK requires | |
| 532 // that no pending exceptions exist. | |
| 533 Thread *THREAD = Thread::current(); | |
| 534 if (HAS_PENDING_EXCEPTION) { | |
| 535 CLEAR_PENDING_EXCEPTION; | |
| 536 } | |
| 537 java_lang_Throwable::print(exception, tty); | |
| 538 tty->cr(); | |
| 539 java_lang_Throwable::print_stack_trace(exception(), tty); | |
| 540 tty->cr(); | |
| 541 vm_notify_during_shutdown(NULL, NULL); | |
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542 |
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543 // Failure during initialization, we don't want to dump core |
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544 vm_abort(false); |
| 0 | 545 } |
| 546 | |
| 547 void vm_exit_during_initialization(symbolHandle ex, const char* message) { | |
| 548 ResourceMark rm; | |
| 549 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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550 |
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551 // Failure during initialization, we don't want to dump core |
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552 vm_abort(false); |
| 0 | 553 } |
| 554 | |
| 555 void vm_exit_during_initialization(const char* error, const char* message) { | |
| 556 vm_notify_during_shutdown(error, message); | |
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557 |
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558 // Failure during initialization, we don't want to dump core |
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559 vm_abort(false); |
| 0 | 560 } |
| 561 | |
| 562 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
| 563 vm_notify_during_shutdown(error, message); | |
| 564 vm_shutdown(); | |
| 565 } | |
| 566 | |
| 242 | 567 JDK_Version JDK_Version::_current; |
| 0 | 568 |
| 569 void JDK_Version::initialize() { | |
| 242 | 570 jdk_version_info info; |
| 571 assert(!_current.is_valid(), "Don't initialize twice"); | |
| 572 | |
| 0 | 573 void *lib_handle = os::native_java_library(); |
| 242 | 574 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
| 575 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
| 0 | 576 |
| 577 if (func == NULL) { | |
| 578 // JDK older than 1.6 | |
| 242 | 579 _current._partially_initialized = true; |
| 580 } else { | |
| 581 (*func)(&info, sizeof(info)); | |
| 0 | 582 |
| 242 | 583 int major = JDK_VERSION_MAJOR(info.jdk_version); |
| 584 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
| 585 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
| 586 int build = JDK_VERSION_BUILD(info.jdk_version); | |
| 587 if (major == 1 && minor > 4) { | |
| 588 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
| 589 major = minor; | |
| 590 minor = micro; | |
| 591 micro = 0; | |
| 592 } | |
| 593 _current = JDK_Version(major, minor, micro, info.update_version, | |
| 594 info.special_update_version, build, | |
| 595 info.thread_park_blocker == 1); | |
| 0 | 596 } |
| 242 | 597 } |
| 598 | |
| 599 void JDK_Version::fully_initialize( | |
| 600 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
| 601 // This is only called when current is less than 1.6 and we've gotten | |
| 602 // far enough in the initialization to determine the exact version. | |
| 603 assert(major < 6, "not needed for JDK version >= 6"); | |
| 604 assert(is_partially_initialized(), "must not initialize"); | |
| 605 if (major < 5) { | |
| 606 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
| 607 micro = minor; | |
| 608 minor = major; | |
| 609 major = 1; | |
| 0 | 610 } |
| 242 | 611 _current = JDK_Version(major, minor, micro, update); |
| 0 | 612 } |
| 613 | |
| 614 void JDK_Version_init() { | |
| 615 JDK_Version::initialize(); | |
| 616 } | |
| 242 | 617 |
| 618 static int64_t encode_jdk_version(const JDK_Version& v) { | |
| 619 return | |
| 620 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
| 621 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
| 622 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
| 623 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
| 624 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
| 625 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
| 626 } | |
| 627 | |
| 628 int JDK_Version::compare(const JDK_Version& other) const { | |
| 629 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
| 630 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
| 631 return -(other.compare(*this)); // flip the comparators | |
| 632 } | |
| 633 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
| 634 if (is_partially_initialized()) { | |
| 635 assert(other.major_version() >= 6, | |
| 636 "Invalid JDK version comparison during initialization"); | |
| 637 return -1; | |
| 638 } else { | |
| 639 uint64_t e = encode_jdk_version(*this); | |
| 640 uint64_t o = encode_jdk_version(other); | |
| 641 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
| 646 size_t index = 0; | |
| 647 if (!is_valid()) { | |
| 648 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
| 649 } else if (is_partially_initialized()) { | |
| 650 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
| 651 } else { | |
| 652 index += jio_snprintf( | |
| 653 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
| 654 if (_micro > 0) { | |
| 655 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
| 656 } | |
| 657 if (_update > 0) { | |
| 658 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
| 659 } | |
| 660 if (_special > 0) { | |
| 661 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
| 662 } | |
| 663 if (_build > 0) { | |
| 664 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
| 665 } | |
| 666 } | |
| 667 } |