Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/java.cpp @ 3960:f08d439fab8c
7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
author | never |
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date | Sun, 25 Sep 2011 16:03:29 -0700 |
parents | eca1193ca245 |
children | 436b4a3231bf |
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" | |
60 #include "utilities/dtrace.hpp" | |
61 #include "utilities/globalDefinitions.hpp" | |
62 #include "utilities/histogram.hpp" | |
63 #include "utilities/vmError.hpp" | |
64 #ifdef TARGET_ARCH_x86 | |
65 # include "vm_version_x86.hpp" | |
66 #endif | |
67 #ifdef TARGET_ARCH_sparc | |
68 # include "vm_version_sparc.hpp" | |
69 #endif | |
70 #ifdef TARGET_ARCH_zero | |
71 # include "vm_version_zero.hpp" | |
72 #endif | |
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73 #ifdef TARGET_ARCH_arm |
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74 # include "vm_version_arm.hpp" |
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75 #endif |
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76 #ifdef TARGET_ARCH_ppc |
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77 # include "vm_version_ppc.hpp" |
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78 #endif |
1972 | 79 #ifdef TARGET_OS_FAMILY_linux |
80 # include "thread_linux.inline.hpp" | |
81 #endif | |
82 #ifdef TARGET_OS_FAMILY_solaris | |
83 # include "thread_solaris.inline.hpp" | |
84 #endif | |
85 #ifdef TARGET_OS_FAMILY_windows | |
86 # include "thread_windows.inline.hpp" | |
87 #endif | |
3960 | 88 #ifdef TARGET_OS_FAMILY_bsd |
89 # include "thread_bsd.inline.hpp" | |
90 #endif | |
1972 | 91 #ifndef SERIALGC |
92 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" | |
93 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
94 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
95 #endif | |
96 #ifdef COMPILER1 | |
97 #include "c1/c1_Compiler.hpp" | |
98 #include "c1/c1_Runtime1.hpp" | |
99 #endif | |
100 #ifdef COMPILER2 | |
101 #include "code/compiledIC.hpp" | |
102 #include "compiler/methodLiveness.hpp" | |
103 #include "opto/compile.hpp" | |
104 #include "opto/indexSet.hpp" | |
105 #include "opto/runtime.hpp" | |
106 #endif | |
0 | 107 |
108 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); | |
109 | |
110 #ifndef PRODUCT | |
111 | |
112 // Statistics printing (method invocation histogram) | |
113 | |
114 GrowableArray<methodOop>* collected_invoked_methods; | |
115 | |
116 void collect_invoked_methods(methodOop m) { | |
117 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { | |
118 collected_invoked_methods->push(m); | |
119 } | |
120 } | |
121 | |
122 | |
123 GrowableArray<methodOop>* collected_profiled_methods; | |
124 | |
125 void collect_profiled_methods(methodOop m) { | |
126 methodHandle mh(Thread::current(), m); | |
127 if ((m->method_data() != NULL) && | |
128 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
129 collected_profiled_methods->push(m); | |
130 } | |
131 } | |
132 | |
133 | |
134 int compare_methods(methodOop* a, methodOop* b) { | |
135 // %%% there can be 32-bit overflow here | |
136 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
137 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
138 } | |
139 | |
140 | |
141 void print_method_invocation_histogram() { | |
142 ResourceMark rm; | |
143 HandleMark hm; | |
144 collected_invoked_methods = new GrowableArray<methodOop>(1024); | |
145 SystemDictionary::methods_do(collect_invoked_methods); | |
146 collected_invoked_methods->sort(&compare_methods); | |
147 // | |
148 tty->cr(); | |
149 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
150 tty->cr(); | |
151 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
152 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
153 synch_total = 0, nativ_total = 0, acces_total = 0; | |
154 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
155 methodOop m = collected_invoked_methods->at(index); | |
156 int c = m->invocation_count() + m->compiled_invocation_count(); | |
157 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
158 int_total += m->invocation_count(); | |
159 comp_total += m->compiled_invocation_count(); | |
160 if (m->is_final()) final_total += c; | |
161 if (m->is_static()) static_total += c; | |
162 if (m->is_synchronized()) synch_total += c; | |
163 if (m->is_native()) nativ_total += c; | |
164 if (m->is_accessor()) acces_total += c; | |
165 } | |
166 tty->cr(); | |
167 total = int_total + comp_total; | |
168 tty->print_cr("Invocations summary:"); | |
169 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
170 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
171 tty->print_cr("\t%9d (100%%) total", total); | |
172 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
173 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
174 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
175 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
176 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
177 tty->cr(); | |
178 SharedRuntime::print_call_statistics(comp_total); | |
179 } | |
180 | |
181 void print_method_profiling_data() { | |
182 ResourceMark rm; | |
183 HandleMark hm; | |
184 collected_profiled_methods = new GrowableArray<methodOop>(1024); | |
185 SystemDictionary::methods_do(collect_profiled_methods); | |
186 collected_profiled_methods->sort(&compare_methods); | |
187 | |
188 int count = collected_profiled_methods->length(); | |
189 if (count > 0) { | |
190 for (int index = 0; index < count; index++) { | |
191 methodOop m = collected_profiled_methods->at(index); | |
192 ttyLocker ttyl; | |
193 tty->print_cr("------------------------------------------------------------------------"); | |
194 //m->print_name(tty); | |
195 m->print_invocation_count(); | |
196 tty->cr(); | |
197 m->print_codes(); | |
198 } | |
199 tty->print_cr("------------------------------------------------------------------------"); | |
200 } | |
201 } | |
202 | |
203 void print_bytecode_count() { | |
204 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
205 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
206 } | |
207 } | |
208 | |
209 AllocStats alloc_stats; | |
210 | |
211 | |
212 | |
213 // General statistics printing (profiling ...) | |
214 | |
215 void print_statistics() { | |
216 | |
217 #ifdef ASSERT | |
218 | |
219 if (CountRuntimeCalls) { | |
220 extern Histogram *RuntimeHistogram; | |
221 RuntimeHistogram->print(); | |
222 } | |
223 | |
224 if (CountJNICalls) { | |
225 extern Histogram *JNIHistogram; | |
226 JNIHistogram->print(); | |
227 } | |
228 | |
229 if (CountJVMCalls) { | |
230 extern Histogram *JVMHistogram; | |
231 JVMHistogram->print(); | |
232 } | |
233 | |
234 #endif | |
235 | |
236 if (MemProfiling) { | |
237 MemProfiler::disengage(); | |
238 } | |
239 | |
240 if (CITime) { | |
241 CompileBroker::print_times(); | |
242 } | |
243 | |
244 #ifdef COMPILER1 | |
245 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
246 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
247 Runtime1::print_statistics(); | |
248 Deoptimization::print_statistics(); | |
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249 SharedRuntime::print_statistics(); |
0 | 250 nmethod::print_statistics(); |
251 } | |
252 #endif /* COMPILER1 */ | |
253 | |
254 #ifdef COMPILER2 | |
255 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
256 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
257 Compile::print_statistics(); | |
258 #ifndef COMPILER1 | |
259 Deoptimization::print_statistics(); | |
260 nmethod::print_statistics(); | |
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261 SharedRuntime::print_statistics(); |
0 | 262 #endif //COMPILER1 |
263 os::print_statistics(); | |
264 } | |
265 | |
266 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { | |
267 OptoRuntime::print_named_counters(); | |
268 } | |
269 | |
270 if (TimeLivenessAnalysis) { | |
271 MethodLiveness::print_times(); | |
272 } | |
273 #ifdef ASSERT | |
274 if (CollectIndexSetStatistics) { | |
275 IndexSet::print_statistics(); | |
276 } | |
277 #endif // ASSERT | |
278 #endif // COMPILER2 | |
279 if (CountCompiledCalls) { | |
280 print_method_invocation_histogram(); | |
281 } | |
1918 | 282 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
0 | 283 print_method_profiling_data(); |
284 } | |
285 if (TimeCompiler) { | |
286 COMPILER2_PRESENT(Compile::print_timers();) | |
287 } | |
288 if (TimeCompilationPolicy) { | |
289 CompilationPolicy::policy()->print_time(); | |
290 } | |
291 if (TimeOopMap) { | |
292 GenerateOopMap::print_time(); | |
293 } | |
294 if (ProfilerCheckIntervals) { | |
295 PeriodicTask::print_intervals(); | |
296 } | |
297 if (PrintSymbolTableSizeHistogram) { | |
298 SymbolTable::print_histogram(); | |
299 } | |
300 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
301 BytecodeCounter::print(); | |
302 } | |
303 if (PrintBytecodePairHistogram) { | |
304 BytecodePairHistogram::print(); | |
305 } | |
306 | |
307 if (PrintCodeCache) { | |
308 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
309 CodeCache::print(); | |
310 } | |
311 | |
312 if (PrintCodeCache2) { | |
313 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
314 CodeCache::print_internals(); | |
315 } | |
316 | |
317 if (PrintClassStatistics) { | |
318 SystemDictionary::print_class_statistics(); | |
319 } | |
320 if (PrintMethodStatistics) { | |
321 SystemDictionary::print_method_statistics(); | |
322 } | |
323 | |
324 if (PrintVtableStats) { | |
325 klassVtable::print_statistics(); | |
326 klassItable::print_statistics(); | |
327 } | |
328 if (VerifyOops) { | |
329 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
330 } | |
331 | |
332 print_bytecode_count(); | |
2250 | 333 if (PrintMallocStatistics) { |
0 | 334 tty->print("allocation stats: "); |
335 alloc_stats.print(); | |
336 tty->cr(); | |
337 } | |
338 | |
339 if (PrintSystemDictionaryAtExit) { | |
340 SystemDictionary::print(); | |
341 } | |
342 | |
343 if (PrintBiasedLockingStatistics) { | |
344 BiasedLocking::print_counters(); | |
345 } | |
346 | |
347 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
348 #ifdef COMPILER2 | |
349 if (ZapDeadCompiledLocals) { | |
350 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
351 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
352 } | |
353 #endif // COMPILER2 | |
354 #endif // ENABLE_ZAP_DEAD_LOCALS | |
355 } | |
356 | |
357 #else // PRODUCT MODE STATISTICS | |
358 | |
359 void print_statistics() { | |
360 | |
361 if (CITime) { | |
362 CompileBroker::print_times(); | |
363 } | |
364 #ifdef COMPILER2 | |
365 if (PrintPreciseBiasedLockingStatistics) { | |
366 OptoRuntime::print_named_counters(); | |
367 } | |
368 #endif | |
369 if (PrintBiasedLockingStatistics) { | |
370 BiasedLocking::print_counters(); | |
371 } | |
372 } | |
373 | |
374 #endif | |
375 | |
376 | |
377 // Helper class for registering on_exit calls through JVM_OnExit | |
378 | |
379 extern "C" { | |
380 typedef void (*__exit_proc)(void); | |
381 } | |
382 | |
383 class ExitProc : public CHeapObj { | |
384 private: | |
385 __exit_proc _proc; | |
386 // void (*_proc)(void); | |
387 ExitProc* _next; | |
388 public: | |
389 // ExitProc(void (*proc)(void)) { | |
390 ExitProc(__exit_proc proc) { | |
391 _proc = proc; | |
392 _next = NULL; | |
393 } | |
394 void evaluate() { _proc(); } | |
395 ExitProc* next() const { return _next; } | |
396 void set_next(ExitProc* next) { _next = next; } | |
397 }; | |
398 | |
399 | |
400 // Linked list of registered on_exit procedures | |
401 | |
402 static ExitProc* exit_procs = NULL; | |
403 | |
404 | |
405 extern "C" { | |
406 void register_on_exit_function(void (*func)(void)) { | |
407 ExitProc *entry = new ExitProc(func); | |
408 // Classic vm does not throw an exception in case the allocation failed, | |
409 if (entry != NULL) { | |
410 entry->set_next(exit_procs); | |
411 exit_procs = entry; | |
412 } | |
413 } | |
414 } | |
415 | |
416 // Note: before_exit() can be executed only once, if more than one threads | |
417 // are trying to shutdown the VM at the same time, only one thread | |
418 // can run before_exit() and all other threads must wait. | |
419 void before_exit(JavaThread * thread) { | |
420 #define BEFORE_EXIT_NOT_RUN 0 | |
421 #define BEFORE_EXIT_RUNNING 1 | |
422 #define BEFORE_EXIT_DONE 2 | |
423 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
424 | |
425 // Note: don't use a Mutex to guard the entire before_exit(), as | |
426 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
427 // A CAS or OSMutex would work just fine but then we need to manipulate | |
428 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
429 // for synchronization. | |
430 { MutexLocker ml(BeforeExit_lock); | |
431 switch (_before_exit_status) { | |
432 case BEFORE_EXIT_NOT_RUN: | |
433 _before_exit_status = BEFORE_EXIT_RUNNING; | |
434 break; | |
435 case BEFORE_EXIT_RUNNING: | |
436 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
437 BeforeExit_lock->wait(); | |
438 } | |
439 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
440 return; | |
441 case BEFORE_EXIT_DONE: | |
442 return; | |
443 } | |
444 } | |
445 | |
446 // The only difference between this and Win32's _onexit procs is that | |
447 // this version is invoked before any threads get killed. | |
448 ExitProc* current = exit_procs; | |
449 while (current != NULL) { | |
450 ExitProc* next = current->next(); | |
451 current->evaluate(); | |
452 delete current; | |
453 current = next; | |
454 } | |
455 | |
456 // Hang forever on exit if we're reporting an error. | |
457 if (ShowMessageBoxOnError && is_error_reported()) { | |
458 os::infinite_sleep(); | |
459 } | |
460 | |
461 // Terminate watcher thread - must before disenrolling any periodic task | |
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462 if (PeriodicTask::num_tasks() > 0) |
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463 WatcherThread::stop(); |
0 | 464 |
465 // Print statistics gathered (profiling ...) | |
466 if (Arguments::has_profile()) { | |
467 FlatProfiler::disengage(); | |
468 FlatProfiler::print(10); | |
469 } | |
470 | |
471 // shut down the StatSampler task | |
472 StatSampler::disengage(); | |
473 StatSampler::destroy(); | |
474 | |
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475 // We do not need to explicitly stop concurrent GC threads because the |
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476 // JVM will be taken down at a safepoint when such threads are inactive -- |
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477 // except for some concurrent G1 threads, see (comment in) |
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478 // Threads::destroy_vm(). |
0 | 479 |
480 // Print GC/heap related information. | |
481 if (PrintGCDetails) { | |
482 Universe::print(); | |
483 AdaptiveSizePolicyOutput(0); | |
484 } | |
485 | |
486 | |
487 if (Arguments::has_alloc_profile()) { | |
488 HandleMark hm; | |
489 // Do one last collection to enumerate all the objects | |
490 // allocated since the last one. | |
491 Universe::heap()->collect(GCCause::_allocation_profiler); | |
492 AllocationProfiler::disengage(); | |
493 AllocationProfiler::print(0); | |
494 } | |
495 | |
496 if (PrintBytecodeHistogram) { | |
497 BytecodeHistogram::print(); | |
498 } | |
499 | |
500 if (JvmtiExport::should_post_thread_life()) { | |
501 JvmtiExport::post_thread_end(thread); | |
502 } | |
503 // Always call even when there are not JVMTI environments yet, since environments | |
504 // may be attached late and JVMTI must track phases of VM execution | |
505 JvmtiExport::post_vm_death(); | |
506 Threads::shutdown_vm_agents(); | |
507 | |
508 // Terminate the signal thread | |
509 // Note: we don't wait until it actually dies. | |
510 os::terminate_signal_thread(); | |
511 | |
512 print_statistics(); | |
513 Universe::heap()->print_tracing_info(); | |
514 | |
515 { MutexLocker ml(BeforeExit_lock); | |
516 _before_exit_status = BEFORE_EXIT_DONE; | |
517 BeforeExit_lock->notify_all(); | |
518 } | |
519 | |
520 #undef BEFORE_EXIT_NOT_RUN | |
521 #undef BEFORE_EXIT_RUNNING | |
522 #undef BEFORE_EXIT_DONE | |
523 } | |
524 | |
525 void vm_exit(int code) { | |
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526 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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527 ThreadLocalStorage::get_thread_slow() : NULL; |
0 | 528 if (thread == NULL) { |
529 // we have serious problems -- just exit | |
530 vm_direct_exit(code); | |
531 } | |
532 | |
533 if (VMThread::vm_thread() != NULL) { | |
534 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
535 VM_Exit op(code); | |
536 if (thread->is_Java_thread()) | |
537 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
538 VMThread::execute(&op); | |
539 // should never reach here; but in case something wrong with VM Thread. | |
540 vm_direct_exit(code); | |
541 } else { | |
542 // VM thread is gone, just exit | |
543 vm_direct_exit(code); | |
544 } | |
545 ShouldNotReachHere(); | |
546 } | |
547 | |
548 void notify_vm_shutdown() { | |
549 // For now, just a dtrace probe. | |
550 HS_DTRACE_PROBE(hotspot, vm__shutdown); | |
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551 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
0 | 552 } |
553 | |
554 void vm_direct_exit(int code) { | |
555 notify_vm_shutdown(); | |
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556 os::wait_for_keypress_at_exit(); |
0 | 557 ::exit(code); |
558 } | |
559 | |
560 void vm_perform_shutdown_actions() { | |
561 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
562 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
563 // kinds of assertions to trigger in debug mode. | |
564 if (is_init_completed()) { | |
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565 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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566 ThreadLocalStorage::get_thread_slow() : NULL; |
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567 if (thread != NULL && thread->is_Java_thread()) { |
0 | 568 // We are leaving the VM, set state to native (in case any OS exit |
569 // handlers call back to the VM) | |
570 JavaThread* jt = (JavaThread*)thread; | |
571 // Must always be walkable or have no last_Java_frame when in | |
572 // thread_in_native | |
573 jt->frame_anchor()->make_walkable(jt); | |
574 jt->set_thread_state(_thread_in_native); | |
575 } | |
576 } | |
577 notify_vm_shutdown(); | |
578 } | |
579 | |
580 void vm_shutdown() | |
581 { | |
582 vm_perform_shutdown_actions(); | |
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583 os::wait_for_keypress_at_exit(); |
0 | 584 os::shutdown(); |
585 } | |
586 | |
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587 void vm_abort(bool dump_core) { |
0 | 588 vm_perform_shutdown_actions(); |
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589 os::wait_for_keypress_at_exit(); |
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590 os::abort(dump_core); |
0 | 591 ShouldNotReachHere(); |
592 } | |
593 | |
594 void vm_notify_during_shutdown(const char* error, const char* message) { | |
595 if (error != NULL) { | |
596 tty->print_cr("Error occurred during initialization of VM"); | |
597 tty->print("%s", error); | |
598 if (message != NULL) { | |
599 tty->print_cr(": %s", message); | |
600 } | |
601 else { | |
602 tty->cr(); | |
603 } | |
604 } | |
605 if (ShowMessageBoxOnError && WizardMode) { | |
606 fatal("Error occurred during initialization of VM"); | |
607 } | |
608 } | |
609 | |
610 void vm_exit_during_initialization(Handle exception) { | |
611 tty->print_cr("Error occurred during initialization of VM"); | |
612 // If there are exceptions on this thread it must be cleared | |
613 // first and here. Any future calls to EXCEPTION_MARK requires | |
614 // that no pending exceptions exist. | |
615 Thread *THREAD = Thread::current(); | |
616 if (HAS_PENDING_EXCEPTION) { | |
617 CLEAR_PENDING_EXCEPTION; | |
618 } | |
619 java_lang_Throwable::print(exception, tty); | |
620 tty->cr(); | |
621 java_lang_Throwable::print_stack_trace(exception(), tty); | |
622 tty->cr(); | |
623 vm_notify_during_shutdown(NULL, NULL); | |
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624 |
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625 // Failure during initialization, we don't want to dump core |
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626 vm_abort(false); |
0 | 627 } |
628 | |
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629 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
0 | 630 ResourceMark rm; |
631 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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632 |
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633 // Failure during initialization, we don't want to dump core |
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634 vm_abort(false); |
0 | 635 } |
636 | |
637 void vm_exit_during_initialization(const char* error, const char* message) { | |
638 vm_notify_during_shutdown(error, message); | |
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639 |
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640 // Failure during initialization, we don't want to dump core |
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641 vm_abort(false); |
0 | 642 } |
643 | |
644 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
645 vm_notify_during_shutdown(error, message); | |
646 vm_shutdown(); | |
647 } | |
648 | |
242 | 649 JDK_Version JDK_Version::_current; |
0 | 650 |
651 void JDK_Version::initialize() { | |
242 | 652 jdk_version_info info; |
653 assert(!_current.is_valid(), "Don't initialize twice"); | |
654 | |
0 | 655 void *lib_handle = os::native_java_library(); |
242 | 656 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
657 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
0 | 658 |
659 if (func == NULL) { | |
660 // JDK older than 1.6 | |
242 | 661 _current._partially_initialized = true; |
662 } else { | |
663 (*func)(&info, sizeof(info)); | |
0 | 664 |
242 | 665 int major = JDK_VERSION_MAJOR(info.jdk_version); |
666 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
667 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
668 int build = JDK_VERSION_BUILD(info.jdk_version); | |
669 if (major == 1 && minor > 4) { | |
670 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
671 major = minor; | |
672 minor = micro; | |
673 micro = 0; | |
674 } | |
675 _current = JDK_Version(major, minor, micro, info.update_version, | |
676 info.special_update_version, build, | |
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677 info.thread_park_blocker == 1, |
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678 info.post_vm_init_hook_enabled == 1, |
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679 info.pending_list_uses_discovered_field == 1); |
0 | 680 } |
242 | 681 } |
682 | |
683 void JDK_Version::fully_initialize( | |
684 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
685 // This is only called when current is less than 1.6 and we've gotten | |
686 // far enough in the initialization to determine the exact version. | |
687 assert(major < 6, "not needed for JDK version >= 6"); | |
688 assert(is_partially_initialized(), "must not initialize"); | |
689 if (major < 5) { | |
690 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
691 micro = minor; | |
692 minor = major; | |
693 major = 1; | |
0 | 694 } |
242 | 695 _current = JDK_Version(major, minor, micro, update); |
0 | 696 } |
697 | |
698 void JDK_Version_init() { | |
699 JDK_Version::initialize(); | |
700 } | |
242 | 701 |
702 static int64_t encode_jdk_version(const JDK_Version& v) { | |
703 return | |
704 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
705 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
706 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
707 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
708 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
709 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
710 } | |
711 | |
712 int JDK_Version::compare(const JDK_Version& other) const { | |
713 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
714 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
715 return -(other.compare(*this)); // flip the comparators | |
716 } | |
717 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
718 if (is_partially_initialized()) { | |
719 assert(other.major_version() >= 6, | |
720 "Invalid JDK version comparison during initialization"); | |
721 return -1; | |
722 } else { | |
723 uint64_t e = encode_jdk_version(*this); | |
724 uint64_t o = encode_jdk_version(other); | |
725 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
726 } | |
727 } | |
728 | |
729 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
730 size_t index = 0; | |
731 if (!is_valid()) { | |
732 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
733 } else if (is_partially_initialized()) { | |
734 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
735 } else { | |
736 index += jio_snprintf( | |
737 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
738 if (_micro > 0) { | |
739 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
740 } | |
741 if (_update > 0) { | |
742 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
743 } | |
744 if (_special > 0) { | |
745 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
746 } | |
747 if (_build > 0) { | |
748 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
749 } | |
750 } | |
751 } |