Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/java.cpp @ 6231:7e5976e66c62
7182543: NMT ON: Aggregate a few NMT related bugs
Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn
author | zgu |
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date | Thu, 19 Jul 2012 09:05:42 -0400 |
parents | 24b9c7f4cae6 |
children | 957c266d8bc5 da91efe96a93 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, 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 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/classLoader.hpp" | |
27 #include "classfile/symbolTable.hpp" | |
28 #include "classfile/systemDictionary.hpp" | |
29 #include "code/codeCache.hpp" | |
30 #include "compiler/compileBroker.hpp" | |
31 #include "compiler/compilerOracle.hpp" | |
32 #include "interpreter/bytecodeHistogram.hpp" | |
33 #include "memory/genCollectedHeap.hpp" | |
34 #include "memory/oopFactory.hpp" | |
35 #include "memory/universe.hpp" | |
36 #include "oops/constantPoolOop.hpp" | |
37 #include "oops/generateOopMap.hpp" | |
38 #include "oops/instanceKlass.hpp" | |
39 #include "oops/instanceKlassKlass.hpp" | |
40 #include "oops/instanceOop.hpp" | |
41 #include "oops/methodOop.hpp" | |
42 #include "oops/objArrayOop.hpp" | |
43 #include "oops/oop.inline.hpp" | |
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44 #include "oops/symbol.hpp" |
1972 | 45 #include "prims/jvmtiExport.hpp" |
46 #include "runtime/aprofiler.hpp" | |
47 #include "runtime/arguments.hpp" | |
48 #include "runtime/biasedLocking.hpp" | |
49 #include "runtime/compilationPolicy.hpp" | |
50 #include "runtime/fprofiler.hpp" | |
51 #include "runtime/init.hpp" | |
52 #include "runtime/interfaceSupport.hpp" | |
53 #include "runtime/java.hpp" | |
54 #include "runtime/memprofiler.hpp" | |
55 #include "runtime/sharedRuntime.hpp" | |
56 #include "runtime/statSampler.hpp" | |
57 #include "runtime/task.hpp" | |
58 #include "runtime/timer.hpp" | |
59 #include "runtime/vm_operations.hpp" | |
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60 #include "trace/tracing.hpp" |
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61 #include "trace/traceEventTypes.hpp" |
1972 | 62 #include "utilities/dtrace.hpp" |
63 #include "utilities/globalDefinitions.hpp" | |
64 #include "utilities/histogram.hpp" | |
65 #include "utilities/vmError.hpp" | |
66 #ifdef TARGET_ARCH_x86 | |
67 # include "vm_version_x86.hpp" | |
68 #endif | |
69 #ifdef TARGET_ARCH_sparc | |
70 # include "vm_version_sparc.hpp" | |
71 #endif | |
72 #ifdef TARGET_ARCH_zero | |
73 # include "vm_version_zero.hpp" | |
74 #endif | |
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75 #ifdef TARGET_ARCH_arm |
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76 # include "vm_version_arm.hpp" |
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77 #endif |
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78 #ifdef TARGET_ARCH_ppc |
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79 # include "vm_version_ppc.hpp" |
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80 #endif |
1972 | 81 #ifdef TARGET_OS_FAMILY_linux |
82 # include "thread_linux.inline.hpp" | |
83 #endif | |
84 #ifdef TARGET_OS_FAMILY_solaris | |
85 # include "thread_solaris.inline.hpp" | |
86 #endif | |
87 #ifdef TARGET_OS_FAMILY_windows | |
88 # include "thread_windows.inline.hpp" | |
89 #endif | |
3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
91 # include "thread_bsd.inline.hpp" | |
92 #endif | |
1972 | 93 #ifndef SERIALGC |
94 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" | |
95 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
96 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
97 #endif | |
98 #ifdef COMPILER1 | |
99 #include "c1/c1_Compiler.hpp" | |
100 #include "c1/c1_Runtime1.hpp" | |
101 #endif | |
102 #ifdef COMPILER2 | |
103 #include "code/compiledIC.hpp" | |
104 #include "compiler/methodLiveness.hpp" | |
105 #include "opto/compile.hpp" | |
106 #include "opto/indexSet.hpp" | |
107 #include "opto/runtime.hpp" | |
108 #endif | |
0 | 109 |
4006 | 110 #ifndef USDT2 |
0 | 111 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); |
4006 | 112 #endif /* !USDT2 */ |
0 | 113 |
114 #ifndef PRODUCT | |
115 | |
116 // Statistics printing (method invocation histogram) | |
117 | |
118 GrowableArray<methodOop>* collected_invoked_methods; | |
119 | |
120 void collect_invoked_methods(methodOop m) { | |
121 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { | |
122 collected_invoked_methods->push(m); | |
123 } | |
124 } | |
125 | |
126 | |
127 GrowableArray<methodOop>* collected_profiled_methods; | |
128 | |
129 void collect_profiled_methods(methodOop m) { | |
130 methodHandle mh(Thread::current(), m); | |
131 if ((m->method_data() != NULL) && | |
132 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
133 collected_profiled_methods->push(m); | |
134 } | |
135 } | |
136 | |
137 | |
138 int compare_methods(methodOop* a, methodOop* b) { | |
139 // %%% there can be 32-bit overflow here | |
140 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
141 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
142 } | |
143 | |
144 | |
145 void print_method_invocation_histogram() { | |
146 ResourceMark rm; | |
147 HandleMark hm; | |
148 collected_invoked_methods = new GrowableArray<methodOop>(1024); | |
149 SystemDictionary::methods_do(collect_invoked_methods); | |
150 collected_invoked_methods->sort(&compare_methods); | |
151 // | |
152 tty->cr(); | |
153 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
154 tty->cr(); | |
155 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
156 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
157 synch_total = 0, nativ_total = 0, acces_total = 0; | |
158 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
159 methodOop m = collected_invoked_methods->at(index); | |
160 int c = m->invocation_count() + m->compiled_invocation_count(); | |
161 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
162 int_total += m->invocation_count(); | |
163 comp_total += m->compiled_invocation_count(); | |
164 if (m->is_final()) final_total += c; | |
165 if (m->is_static()) static_total += c; | |
166 if (m->is_synchronized()) synch_total += c; | |
167 if (m->is_native()) nativ_total += c; | |
168 if (m->is_accessor()) acces_total += c; | |
169 } | |
170 tty->cr(); | |
171 total = int_total + comp_total; | |
172 tty->print_cr("Invocations summary:"); | |
173 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
174 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
175 tty->print_cr("\t%9d (100%%) total", total); | |
176 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
177 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
178 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
179 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
180 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
181 tty->cr(); | |
182 SharedRuntime::print_call_statistics(comp_total); | |
183 } | |
184 | |
185 void print_method_profiling_data() { | |
186 ResourceMark rm; | |
187 HandleMark hm; | |
188 collected_profiled_methods = new GrowableArray<methodOop>(1024); | |
189 SystemDictionary::methods_do(collect_profiled_methods); | |
190 collected_profiled_methods->sort(&compare_methods); | |
191 | |
192 int count = collected_profiled_methods->length(); | |
193 if (count > 0) { | |
194 for (int index = 0; index < count; index++) { | |
195 methodOop m = collected_profiled_methods->at(index); | |
196 ttyLocker ttyl; | |
197 tty->print_cr("------------------------------------------------------------------------"); | |
198 //m->print_name(tty); | |
199 m->print_invocation_count(); | |
200 tty->cr(); | |
201 m->print_codes(); | |
202 } | |
203 tty->print_cr("------------------------------------------------------------------------"); | |
204 } | |
205 } | |
206 | |
207 void print_bytecode_count() { | |
208 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
209 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
210 } | |
211 } | |
212 | |
213 AllocStats alloc_stats; | |
214 | |
215 | |
216 | |
217 // General statistics printing (profiling ...) | |
218 | |
219 void print_statistics() { | |
220 | |
221 #ifdef ASSERT | |
222 | |
223 if (CountRuntimeCalls) { | |
224 extern Histogram *RuntimeHistogram; | |
225 RuntimeHistogram->print(); | |
226 } | |
227 | |
228 if (CountJNICalls) { | |
229 extern Histogram *JNIHistogram; | |
230 JNIHistogram->print(); | |
231 } | |
232 | |
233 if (CountJVMCalls) { | |
234 extern Histogram *JVMHistogram; | |
235 JVMHistogram->print(); | |
236 } | |
237 | |
238 #endif | |
239 | |
240 if (MemProfiling) { | |
241 MemProfiler::disengage(); | |
242 } | |
243 | |
244 if (CITime) { | |
245 CompileBroker::print_times(); | |
246 } | |
247 | |
248 #ifdef COMPILER1 | |
249 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
250 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
251 Runtime1::print_statistics(); | |
252 Deoptimization::print_statistics(); | |
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253 SharedRuntime::print_statistics(); |
0 | 254 nmethod::print_statistics(); |
255 } | |
256 #endif /* COMPILER1 */ | |
257 | |
258 #ifdef COMPILER2 | |
259 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
260 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
261 Compile::print_statistics(); | |
262 #ifndef COMPILER1 | |
263 Deoptimization::print_statistics(); | |
264 nmethod::print_statistics(); | |
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265 SharedRuntime::print_statistics(); |
0 | 266 #endif //COMPILER1 |
267 os::print_statistics(); | |
268 } | |
269 | |
270 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { | |
271 OptoRuntime::print_named_counters(); | |
272 } | |
273 | |
274 if (TimeLivenessAnalysis) { | |
275 MethodLiveness::print_times(); | |
276 } | |
277 #ifdef ASSERT | |
278 if (CollectIndexSetStatistics) { | |
279 IndexSet::print_statistics(); | |
280 } | |
281 #endif // ASSERT | |
282 #endif // COMPILER2 | |
283 if (CountCompiledCalls) { | |
284 print_method_invocation_histogram(); | |
285 } | |
1918 | 286 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
0 | 287 print_method_profiling_data(); |
288 } | |
289 if (TimeCompiler) { | |
290 COMPILER2_PRESENT(Compile::print_timers();) | |
291 } | |
292 if (TimeCompilationPolicy) { | |
293 CompilationPolicy::policy()->print_time(); | |
294 } | |
295 if (TimeOopMap) { | |
296 GenerateOopMap::print_time(); | |
297 } | |
298 if (ProfilerCheckIntervals) { | |
299 PeriodicTask::print_intervals(); | |
300 } | |
301 if (PrintSymbolTableSizeHistogram) { | |
302 SymbolTable::print_histogram(); | |
303 } | |
304 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
305 BytecodeCounter::print(); | |
306 } | |
307 if (PrintBytecodePairHistogram) { | |
308 BytecodePairHistogram::print(); | |
309 } | |
310 | |
311 if (PrintCodeCache) { | |
312 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
313 CodeCache::print(); | |
314 } | |
315 | |
316 if (PrintCodeCache2) { | |
317 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
318 CodeCache::print_internals(); | |
319 } | |
320 | |
321 if (PrintClassStatistics) { | |
322 SystemDictionary::print_class_statistics(); | |
323 } | |
324 if (PrintMethodStatistics) { | |
325 SystemDictionary::print_method_statistics(); | |
326 } | |
327 | |
328 if (PrintVtableStats) { | |
329 klassVtable::print_statistics(); | |
330 klassItable::print_statistics(); | |
331 } | |
332 if (VerifyOops) { | |
333 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
334 } | |
335 | |
336 print_bytecode_count(); | |
2250 | 337 if (PrintMallocStatistics) { |
0 | 338 tty->print("allocation stats: "); |
339 alloc_stats.print(); | |
340 tty->cr(); | |
341 } | |
342 | |
343 if (PrintSystemDictionaryAtExit) { | |
344 SystemDictionary::print(); | |
345 } | |
346 | |
347 if (PrintBiasedLockingStatistics) { | |
348 BiasedLocking::print_counters(); | |
349 } | |
350 | |
351 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
352 #ifdef COMPILER2 | |
353 if (ZapDeadCompiledLocals) { | |
354 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
355 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
356 } | |
357 #endif // COMPILER2 | |
358 #endif // ENABLE_ZAP_DEAD_LOCALS | |
359 } | |
360 | |
361 #else // PRODUCT MODE STATISTICS | |
362 | |
363 void print_statistics() { | |
364 | |
365 if (CITime) { | |
366 CompileBroker::print_times(); | |
367 } | |
368 #ifdef COMPILER2 | |
369 if (PrintPreciseBiasedLockingStatistics) { | |
370 OptoRuntime::print_named_counters(); | |
371 } | |
372 #endif | |
373 if (PrintBiasedLockingStatistics) { | |
374 BiasedLocking::print_counters(); | |
375 } | |
376 } | |
377 | |
378 #endif | |
379 | |
380 | |
381 // Helper class for registering on_exit calls through JVM_OnExit | |
382 | |
383 extern "C" { | |
384 typedef void (*__exit_proc)(void); | |
385 } | |
386 | |
6197 | 387 class ExitProc : public CHeapObj<mtInternal> { |
0 | 388 private: |
389 __exit_proc _proc; | |
390 // void (*_proc)(void); | |
391 ExitProc* _next; | |
392 public: | |
393 // ExitProc(void (*proc)(void)) { | |
394 ExitProc(__exit_proc proc) { | |
395 _proc = proc; | |
396 _next = NULL; | |
397 } | |
398 void evaluate() { _proc(); } | |
399 ExitProc* next() const { return _next; } | |
400 void set_next(ExitProc* next) { _next = next; } | |
401 }; | |
402 | |
403 | |
404 // Linked list of registered on_exit procedures | |
405 | |
406 static ExitProc* exit_procs = NULL; | |
407 | |
408 | |
409 extern "C" { | |
410 void register_on_exit_function(void (*func)(void)) { | |
411 ExitProc *entry = new ExitProc(func); | |
412 // Classic vm does not throw an exception in case the allocation failed, | |
413 if (entry != NULL) { | |
414 entry->set_next(exit_procs); | |
415 exit_procs = entry; | |
416 } | |
417 } | |
418 } | |
419 | |
420 // Note: before_exit() can be executed only once, if more than one threads | |
421 // are trying to shutdown the VM at the same time, only one thread | |
422 // can run before_exit() and all other threads must wait. | |
423 void before_exit(JavaThread * thread) { | |
424 #define BEFORE_EXIT_NOT_RUN 0 | |
425 #define BEFORE_EXIT_RUNNING 1 | |
426 #define BEFORE_EXIT_DONE 2 | |
427 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
428 | |
429 // Note: don't use a Mutex to guard the entire before_exit(), as | |
430 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
431 // A CAS or OSMutex would work just fine but then we need to manipulate | |
432 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
433 // for synchronization. | |
434 { MutexLocker ml(BeforeExit_lock); | |
435 switch (_before_exit_status) { | |
436 case BEFORE_EXIT_NOT_RUN: | |
437 _before_exit_status = BEFORE_EXIT_RUNNING; | |
438 break; | |
439 case BEFORE_EXIT_RUNNING: | |
440 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
441 BeforeExit_lock->wait(); | |
442 } | |
443 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
444 return; | |
445 case BEFORE_EXIT_DONE: | |
446 return; | |
447 } | |
448 } | |
449 | |
450 // The only difference between this and Win32's _onexit procs is that | |
451 // this version is invoked before any threads get killed. | |
452 ExitProc* current = exit_procs; | |
453 while (current != NULL) { | |
454 ExitProc* next = current->next(); | |
455 current->evaluate(); | |
456 delete current; | |
457 current = next; | |
458 } | |
459 | |
460 // Hang forever on exit if we're reporting an error. | |
461 if (ShowMessageBoxOnError && is_error_reported()) { | |
462 os::infinite_sleep(); | |
463 } | |
464 | |
465 // Terminate watcher thread - must before disenrolling any periodic task | |
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466 if (PeriodicTask::num_tasks() > 0) |
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467 WatcherThread::stop(); |
0 | 468 |
469 // Print statistics gathered (profiling ...) | |
470 if (Arguments::has_profile()) { | |
471 FlatProfiler::disengage(); | |
472 FlatProfiler::print(10); | |
473 } | |
474 | |
475 // shut down the StatSampler task | |
476 StatSampler::disengage(); | |
477 StatSampler::destroy(); | |
478 | |
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479 // We do not need to explicitly stop concurrent GC threads because the |
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480 // JVM will be taken down at a safepoint when such threads are inactive -- |
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481 // except for some concurrent G1 threads, see (comment in) |
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482 // Threads::destroy_vm(). |
0 | 483 |
484 // Print GC/heap related information. | |
485 if (PrintGCDetails) { | |
486 Universe::print(); | |
487 AdaptiveSizePolicyOutput(0); | |
488 } | |
489 | |
490 | |
491 if (Arguments::has_alloc_profile()) { | |
492 HandleMark hm; | |
493 // Do one last collection to enumerate all the objects | |
494 // allocated since the last one. | |
495 Universe::heap()->collect(GCCause::_allocation_profiler); | |
496 AllocationProfiler::disengage(); | |
497 AllocationProfiler::print(0); | |
498 } | |
499 | |
500 if (PrintBytecodeHistogram) { | |
501 BytecodeHistogram::print(); | |
502 } | |
503 | |
504 if (JvmtiExport::should_post_thread_life()) { | |
505 JvmtiExport::post_thread_end(thread); | |
506 } | |
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507 |
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508 EVENT_BEGIN(TraceEventThreadEnd, event); |
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509 EVENT_COMMIT(event, |
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510 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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511 |
0 | 512 // Always call even when there are not JVMTI environments yet, since environments |
513 // may be attached late and JVMTI must track phases of VM execution | |
514 JvmtiExport::post_vm_death(); | |
515 Threads::shutdown_vm_agents(); | |
516 | |
517 // Terminate the signal thread | |
518 // Note: we don't wait until it actually dies. | |
519 os::terminate_signal_thread(); | |
520 | |
521 print_statistics(); | |
522 Universe::heap()->print_tracing_info(); | |
523 | |
524 { MutexLocker ml(BeforeExit_lock); | |
525 _before_exit_status = BEFORE_EXIT_DONE; | |
526 BeforeExit_lock->notify_all(); | |
527 } | |
528 | |
529 #undef BEFORE_EXIT_NOT_RUN | |
530 #undef BEFORE_EXIT_RUNNING | |
531 #undef BEFORE_EXIT_DONE | |
532 } | |
533 | |
534 void vm_exit(int code) { | |
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535 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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536 ThreadLocalStorage::get_thread_slow() : NULL; |
0 | 537 if (thread == NULL) { |
538 // we have serious problems -- just exit | |
539 vm_direct_exit(code); | |
540 } | |
541 | |
542 if (VMThread::vm_thread() != NULL) { | |
543 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
544 VM_Exit op(code); | |
545 if (thread->is_Java_thread()) | |
546 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
547 VMThread::execute(&op); | |
548 // should never reach here; but in case something wrong with VM Thread. | |
549 vm_direct_exit(code); | |
550 } else { | |
551 // VM thread is gone, just exit | |
552 vm_direct_exit(code); | |
553 } | |
554 ShouldNotReachHere(); | |
555 } | |
556 | |
557 void notify_vm_shutdown() { | |
558 // For now, just a dtrace probe. | |
4006 | 559 #ifndef USDT2 |
0 | 560 HS_DTRACE_PROBE(hotspot, vm__shutdown); |
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561 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
4006 | 562 #else /* USDT2 */ |
563 HOTSPOT_VM_SHUTDOWN(); | |
564 #endif /* USDT2 */ | |
0 | 565 } |
566 | |
567 void vm_direct_exit(int code) { | |
568 notify_vm_shutdown(); | |
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569 os::wait_for_keypress_at_exit(); |
0 | 570 ::exit(code); |
571 } | |
572 | |
573 void vm_perform_shutdown_actions() { | |
574 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
575 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
576 // kinds of assertions to trigger in debug mode. | |
577 if (is_init_completed()) { | |
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578 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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579 ThreadLocalStorage::get_thread_slow() : NULL; |
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580 if (thread != NULL && thread->is_Java_thread()) { |
0 | 581 // We are leaving the VM, set state to native (in case any OS exit |
582 // handlers call back to the VM) | |
583 JavaThread* jt = (JavaThread*)thread; | |
584 // Must always be walkable or have no last_Java_frame when in | |
585 // thread_in_native | |
586 jt->frame_anchor()->make_walkable(jt); | |
587 jt->set_thread_state(_thread_in_native); | |
588 } | |
589 } | |
590 notify_vm_shutdown(); | |
591 } | |
592 | |
593 void vm_shutdown() | |
594 { | |
595 vm_perform_shutdown_actions(); | |
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596 os::wait_for_keypress_at_exit(); |
0 | 597 os::shutdown(); |
598 } | |
599 | |
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600 void vm_abort(bool dump_core) { |
0 | 601 vm_perform_shutdown_actions(); |
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602 os::wait_for_keypress_at_exit(); |
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603 os::abort(dump_core); |
0 | 604 ShouldNotReachHere(); |
605 } | |
606 | |
607 void vm_notify_during_shutdown(const char* error, const char* message) { | |
608 if (error != NULL) { | |
609 tty->print_cr("Error occurred during initialization of VM"); | |
610 tty->print("%s", error); | |
611 if (message != NULL) { | |
612 tty->print_cr(": %s", message); | |
613 } | |
614 else { | |
615 tty->cr(); | |
616 } | |
617 } | |
618 if (ShowMessageBoxOnError && WizardMode) { | |
619 fatal("Error occurred during initialization of VM"); | |
620 } | |
621 } | |
622 | |
623 void vm_exit_during_initialization(Handle exception) { | |
624 tty->print_cr("Error occurred during initialization of VM"); | |
625 // If there are exceptions on this thread it must be cleared | |
626 // first and here. Any future calls to EXCEPTION_MARK requires | |
627 // that no pending exceptions exist. | |
628 Thread *THREAD = Thread::current(); | |
629 if (HAS_PENDING_EXCEPTION) { | |
630 CLEAR_PENDING_EXCEPTION; | |
631 } | |
632 java_lang_Throwable::print(exception, tty); | |
633 tty->cr(); | |
634 java_lang_Throwable::print_stack_trace(exception(), tty); | |
635 tty->cr(); | |
636 vm_notify_during_shutdown(NULL, NULL); | |
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637 |
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638 // Failure during initialization, we don't want to dump core |
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639 vm_abort(false); |
0 | 640 } |
641 | |
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642 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
0 | 643 ResourceMark rm; |
644 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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645 |
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646 // Failure during initialization, we don't want to dump core |
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647 vm_abort(false); |
0 | 648 } |
649 | |
650 void vm_exit_during_initialization(const char* error, const char* message) { | |
651 vm_notify_during_shutdown(error, message); | |
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652 |
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653 // Failure during initialization, we don't want to dump core |
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654 vm_abort(false); |
0 | 655 } |
656 | |
657 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
658 vm_notify_during_shutdown(error, message); | |
659 vm_shutdown(); | |
660 } | |
661 | |
242 | 662 JDK_Version JDK_Version::_current; |
6181 | 663 const char* JDK_Version::_runtime_name; |
0 | 664 |
665 void JDK_Version::initialize() { | |
242 | 666 jdk_version_info info; |
667 assert(!_current.is_valid(), "Don't initialize twice"); | |
668 | |
0 | 669 void *lib_handle = os::native_java_library(); |
242 | 670 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
671 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
0 | 672 |
673 if (func == NULL) { | |
674 // JDK older than 1.6 | |
242 | 675 _current._partially_initialized = true; |
676 } else { | |
677 (*func)(&info, sizeof(info)); | |
0 | 678 |
242 | 679 int major = JDK_VERSION_MAJOR(info.jdk_version); |
680 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
681 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
682 int build = JDK_VERSION_BUILD(info.jdk_version); | |
683 if (major == 1 && minor > 4) { | |
684 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
685 major = minor; | |
686 minor = micro; | |
687 micro = 0; | |
688 } | |
689 _current = JDK_Version(major, minor, micro, info.update_version, | |
690 info.special_update_version, build, | |
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691 info.thread_park_blocker == 1, |
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692 info.post_vm_init_hook_enabled == 1, |
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693 info.pending_list_uses_discovered_field == 1); |
0 | 694 } |
242 | 695 } |
696 | |
697 void JDK_Version::fully_initialize( | |
698 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
699 // This is only called when current is less than 1.6 and we've gotten | |
700 // far enough in the initialization to determine the exact version. | |
701 assert(major < 6, "not needed for JDK version >= 6"); | |
702 assert(is_partially_initialized(), "must not initialize"); | |
703 if (major < 5) { | |
704 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
705 micro = minor; | |
706 minor = major; | |
707 major = 1; | |
0 | 708 } |
242 | 709 _current = JDK_Version(major, minor, micro, update); |
0 | 710 } |
711 | |
712 void JDK_Version_init() { | |
713 JDK_Version::initialize(); | |
714 } | |
242 | 715 |
716 static int64_t encode_jdk_version(const JDK_Version& v) { | |
717 return | |
718 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
719 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
720 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
721 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
722 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
723 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
724 } | |
725 | |
726 int JDK_Version::compare(const JDK_Version& other) const { | |
727 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
728 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
729 return -(other.compare(*this)); // flip the comparators | |
730 } | |
731 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
732 if (is_partially_initialized()) { | |
733 assert(other.major_version() >= 6, | |
734 "Invalid JDK version comparison during initialization"); | |
735 return -1; | |
736 } else { | |
737 uint64_t e = encode_jdk_version(*this); | |
738 uint64_t o = encode_jdk_version(other); | |
739 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
740 } | |
741 } | |
742 | |
743 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
744 size_t index = 0; | |
745 if (!is_valid()) { | |
746 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
747 } else if (is_partially_initialized()) { | |
748 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
749 } else { | |
750 index += jio_snprintf( | |
751 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
752 if (_micro > 0) { | |
753 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
754 } | |
755 if (_update > 0) { | |
756 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
757 } | |
758 if (_special > 0) { | |
759 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
760 } | |
761 if (_build > 0) { | |
762 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
763 } | |
764 } | |
765 } |