Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/java.cpp @ 4006:436b4a3231bf
7098194: integrate macosx-port changes
Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.com>
| author | dcubed |
|---|---|
| date | Thu, 13 Oct 2011 09:35:42 -0700 |
| parents | f08d439fab8c |
| children | 04b9a2566eec 94ec88ca68e2 |
| rev | line source |
|---|---|
| 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 |
| 4006 | 108 #ifndef USDT2 |
| 0 | 109 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); |
| 4006 | 110 #endif /* !USDT2 */ |
| 0 | 111 |
| 112 #ifndef PRODUCT | |
| 113 | |
| 114 // Statistics printing (method invocation histogram) | |
| 115 | |
| 116 GrowableArray<methodOop>* collected_invoked_methods; | |
| 117 | |
| 118 void collect_invoked_methods(methodOop m) { | |
| 119 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { | |
| 120 collected_invoked_methods->push(m); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 | |
| 125 GrowableArray<methodOop>* collected_profiled_methods; | |
| 126 | |
| 127 void collect_profiled_methods(methodOop m) { | |
| 128 methodHandle mh(Thread::current(), m); | |
| 129 if ((m->method_data() != NULL) && | |
| 130 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
| 131 collected_profiled_methods->push(m); | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 | |
| 136 int compare_methods(methodOop* a, methodOop* b) { | |
| 137 // %%% there can be 32-bit overflow here | |
| 138 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
| 139 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
| 140 } | |
| 141 | |
| 142 | |
| 143 void print_method_invocation_histogram() { | |
| 144 ResourceMark rm; | |
| 145 HandleMark hm; | |
| 146 collected_invoked_methods = new GrowableArray<methodOop>(1024); | |
| 147 SystemDictionary::methods_do(collect_invoked_methods); | |
| 148 collected_invoked_methods->sort(&compare_methods); | |
| 149 // | |
| 150 tty->cr(); | |
| 151 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
| 152 tty->cr(); | |
| 153 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
| 154 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
| 155 synch_total = 0, nativ_total = 0, acces_total = 0; | |
| 156 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
| 157 methodOop m = collected_invoked_methods->at(index); | |
| 158 int c = m->invocation_count() + m->compiled_invocation_count(); | |
| 159 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
| 160 int_total += m->invocation_count(); | |
| 161 comp_total += m->compiled_invocation_count(); | |
| 162 if (m->is_final()) final_total += c; | |
| 163 if (m->is_static()) static_total += c; | |
| 164 if (m->is_synchronized()) synch_total += c; | |
| 165 if (m->is_native()) nativ_total += c; | |
| 166 if (m->is_accessor()) acces_total += c; | |
| 167 } | |
| 168 tty->cr(); | |
| 169 total = int_total + comp_total; | |
| 170 tty->print_cr("Invocations summary:"); | |
| 171 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
| 172 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
| 173 tty->print_cr("\t%9d (100%%) total", total); | |
| 174 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
| 175 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
| 176 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
| 177 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
| 178 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
| 179 tty->cr(); | |
| 180 SharedRuntime::print_call_statistics(comp_total); | |
| 181 } | |
| 182 | |
| 183 void print_method_profiling_data() { | |
| 184 ResourceMark rm; | |
| 185 HandleMark hm; | |
| 186 collected_profiled_methods = new GrowableArray<methodOop>(1024); | |
| 187 SystemDictionary::methods_do(collect_profiled_methods); | |
| 188 collected_profiled_methods->sort(&compare_methods); | |
| 189 | |
| 190 int count = collected_profiled_methods->length(); | |
| 191 if (count > 0) { | |
| 192 for (int index = 0; index < count; index++) { | |
| 193 methodOop m = collected_profiled_methods->at(index); | |
| 194 ttyLocker ttyl; | |
| 195 tty->print_cr("------------------------------------------------------------------------"); | |
| 196 //m->print_name(tty); | |
| 197 m->print_invocation_count(); | |
| 198 tty->cr(); | |
| 199 m->print_codes(); | |
| 200 } | |
| 201 tty->print_cr("------------------------------------------------------------------------"); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 void print_bytecode_count() { | |
| 206 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
| 207 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
| 208 } | |
| 209 } | |
| 210 | |
| 211 AllocStats alloc_stats; | |
| 212 | |
| 213 | |
| 214 | |
| 215 // General statistics printing (profiling ...) | |
| 216 | |
| 217 void print_statistics() { | |
| 218 | |
| 219 #ifdef ASSERT | |
| 220 | |
| 221 if (CountRuntimeCalls) { | |
| 222 extern Histogram *RuntimeHistogram; | |
| 223 RuntimeHistogram->print(); | |
| 224 } | |
| 225 | |
| 226 if (CountJNICalls) { | |
| 227 extern Histogram *JNIHistogram; | |
| 228 JNIHistogram->print(); | |
| 229 } | |
| 230 | |
| 231 if (CountJVMCalls) { | |
| 232 extern Histogram *JVMHistogram; | |
| 233 JVMHistogram->print(); | |
| 234 } | |
| 235 | |
| 236 #endif | |
| 237 | |
| 238 if (MemProfiling) { | |
| 239 MemProfiler::disengage(); | |
| 240 } | |
| 241 | |
| 242 if (CITime) { | |
| 243 CompileBroker::print_times(); | |
| 244 } | |
| 245 | |
| 246 #ifdef COMPILER1 | |
| 247 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
| 248 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
| 249 Runtime1::print_statistics(); | |
| 250 Deoptimization::print_statistics(); | |
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251 SharedRuntime::print_statistics(); |
| 0 | 252 nmethod::print_statistics(); |
| 253 } | |
| 254 #endif /* COMPILER1 */ | |
| 255 | |
| 256 #ifdef COMPILER2 | |
| 257 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
| 258 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
| 259 Compile::print_statistics(); | |
| 260 #ifndef COMPILER1 | |
| 261 Deoptimization::print_statistics(); | |
| 262 nmethod::print_statistics(); | |
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263 SharedRuntime::print_statistics(); |
| 0 | 264 #endif //COMPILER1 |
| 265 os::print_statistics(); | |
| 266 } | |
| 267 | |
| 268 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { | |
| 269 OptoRuntime::print_named_counters(); | |
| 270 } | |
| 271 | |
| 272 if (TimeLivenessAnalysis) { | |
| 273 MethodLiveness::print_times(); | |
| 274 } | |
| 275 #ifdef ASSERT | |
| 276 if (CollectIndexSetStatistics) { | |
| 277 IndexSet::print_statistics(); | |
| 278 } | |
| 279 #endif // ASSERT | |
| 280 #endif // COMPILER2 | |
| 281 if (CountCompiledCalls) { | |
| 282 print_method_invocation_histogram(); | |
| 283 } | |
| 1918 | 284 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
| 0 | 285 print_method_profiling_data(); |
| 286 } | |
| 287 if (TimeCompiler) { | |
| 288 COMPILER2_PRESENT(Compile::print_timers();) | |
| 289 } | |
| 290 if (TimeCompilationPolicy) { | |
| 291 CompilationPolicy::policy()->print_time(); | |
| 292 } | |
| 293 if (TimeOopMap) { | |
| 294 GenerateOopMap::print_time(); | |
| 295 } | |
| 296 if (ProfilerCheckIntervals) { | |
| 297 PeriodicTask::print_intervals(); | |
| 298 } | |
| 299 if (PrintSymbolTableSizeHistogram) { | |
| 300 SymbolTable::print_histogram(); | |
| 301 } | |
| 302 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
| 303 BytecodeCounter::print(); | |
| 304 } | |
| 305 if (PrintBytecodePairHistogram) { | |
| 306 BytecodePairHistogram::print(); | |
| 307 } | |
| 308 | |
| 309 if (PrintCodeCache) { | |
| 310 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 311 CodeCache::print(); | |
| 312 } | |
| 313 | |
| 314 if (PrintCodeCache2) { | |
| 315 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 316 CodeCache::print_internals(); | |
| 317 } | |
| 318 | |
| 319 if (PrintClassStatistics) { | |
| 320 SystemDictionary::print_class_statistics(); | |
| 321 } | |
| 322 if (PrintMethodStatistics) { | |
| 323 SystemDictionary::print_method_statistics(); | |
| 324 } | |
| 325 | |
| 326 if (PrintVtableStats) { | |
| 327 klassVtable::print_statistics(); | |
| 328 klassItable::print_statistics(); | |
| 329 } | |
| 330 if (VerifyOops) { | |
| 331 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
| 332 } | |
| 333 | |
| 334 print_bytecode_count(); | |
| 2250 | 335 if (PrintMallocStatistics) { |
| 0 | 336 tty->print("allocation stats: "); |
| 337 alloc_stats.print(); | |
| 338 tty->cr(); | |
| 339 } | |
| 340 | |
| 341 if (PrintSystemDictionaryAtExit) { | |
| 342 SystemDictionary::print(); | |
| 343 } | |
| 344 | |
| 345 if (PrintBiasedLockingStatistics) { | |
| 346 BiasedLocking::print_counters(); | |
| 347 } | |
| 348 | |
| 349 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
| 350 #ifdef COMPILER2 | |
| 351 if (ZapDeadCompiledLocals) { | |
| 352 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
| 353 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
| 354 } | |
| 355 #endif // COMPILER2 | |
| 356 #endif // ENABLE_ZAP_DEAD_LOCALS | |
| 357 } | |
| 358 | |
| 359 #else // PRODUCT MODE STATISTICS | |
| 360 | |
| 361 void print_statistics() { | |
| 362 | |
| 363 if (CITime) { | |
| 364 CompileBroker::print_times(); | |
| 365 } | |
| 366 #ifdef COMPILER2 | |
| 367 if (PrintPreciseBiasedLockingStatistics) { | |
| 368 OptoRuntime::print_named_counters(); | |
| 369 } | |
| 370 #endif | |
| 371 if (PrintBiasedLockingStatistics) { | |
| 372 BiasedLocking::print_counters(); | |
| 373 } | |
| 374 } | |
| 375 | |
| 376 #endif | |
| 377 | |
| 378 | |
| 379 // Helper class for registering on_exit calls through JVM_OnExit | |
| 380 | |
| 381 extern "C" { | |
| 382 typedef void (*__exit_proc)(void); | |
| 383 } | |
| 384 | |
| 385 class ExitProc : public CHeapObj { | |
| 386 private: | |
| 387 __exit_proc _proc; | |
| 388 // void (*_proc)(void); | |
| 389 ExitProc* _next; | |
| 390 public: | |
| 391 // ExitProc(void (*proc)(void)) { | |
| 392 ExitProc(__exit_proc proc) { | |
| 393 _proc = proc; | |
| 394 _next = NULL; | |
| 395 } | |
| 396 void evaluate() { _proc(); } | |
| 397 ExitProc* next() const { return _next; } | |
| 398 void set_next(ExitProc* next) { _next = next; } | |
| 399 }; | |
| 400 | |
| 401 | |
| 402 // Linked list of registered on_exit procedures | |
| 403 | |
| 404 static ExitProc* exit_procs = NULL; | |
| 405 | |
| 406 | |
| 407 extern "C" { | |
| 408 void register_on_exit_function(void (*func)(void)) { | |
| 409 ExitProc *entry = new ExitProc(func); | |
| 410 // Classic vm does not throw an exception in case the allocation failed, | |
| 411 if (entry != NULL) { | |
| 412 entry->set_next(exit_procs); | |
| 413 exit_procs = entry; | |
| 414 } | |
| 415 } | |
| 416 } | |
| 417 | |
| 418 // Note: before_exit() can be executed only once, if more than one threads | |
| 419 // are trying to shutdown the VM at the same time, only one thread | |
| 420 // can run before_exit() and all other threads must wait. | |
| 421 void before_exit(JavaThread * thread) { | |
| 422 #define BEFORE_EXIT_NOT_RUN 0 | |
| 423 #define BEFORE_EXIT_RUNNING 1 | |
| 424 #define BEFORE_EXIT_DONE 2 | |
| 425 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
| 426 | |
| 427 // Note: don't use a Mutex to guard the entire before_exit(), as | |
| 428 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
| 429 // A CAS or OSMutex would work just fine but then we need to manipulate | |
| 430 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
| 431 // for synchronization. | |
| 432 { MutexLocker ml(BeforeExit_lock); | |
| 433 switch (_before_exit_status) { | |
| 434 case BEFORE_EXIT_NOT_RUN: | |
| 435 _before_exit_status = BEFORE_EXIT_RUNNING; | |
| 436 break; | |
| 437 case BEFORE_EXIT_RUNNING: | |
| 438 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
| 439 BeforeExit_lock->wait(); | |
| 440 } | |
| 441 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
| 442 return; | |
| 443 case BEFORE_EXIT_DONE: | |
| 444 return; | |
| 445 } | |
| 446 } | |
| 447 | |
| 448 // The only difference between this and Win32's _onexit procs is that | |
| 449 // this version is invoked before any threads get killed. | |
| 450 ExitProc* current = exit_procs; | |
| 451 while (current != NULL) { | |
| 452 ExitProc* next = current->next(); | |
| 453 current->evaluate(); | |
| 454 delete current; | |
| 455 current = next; | |
| 456 } | |
| 457 | |
| 458 // Hang forever on exit if we're reporting an error. | |
| 459 if (ShowMessageBoxOnError && is_error_reported()) { | |
| 460 os::infinite_sleep(); | |
| 461 } | |
| 462 | |
| 463 // Terminate watcher thread - must before disenrolling any periodic task | |
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464 if (PeriodicTask::num_tasks() > 0) |
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465 WatcherThread::stop(); |
| 0 | 466 |
| 467 // Print statistics gathered (profiling ...) | |
| 468 if (Arguments::has_profile()) { | |
| 469 FlatProfiler::disengage(); | |
| 470 FlatProfiler::print(10); | |
| 471 } | |
| 472 | |
| 473 // shut down the StatSampler task | |
| 474 StatSampler::disengage(); | |
| 475 StatSampler::destroy(); | |
| 476 | |
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477 // We do not need to explicitly stop concurrent GC threads because the |
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478 // JVM will be taken down at a safepoint when such threads are inactive -- |
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479 // except for some concurrent G1 threads, see (comment in) |
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480 // Threads::destroy_vm(). |
| 0 | 481 |
| 482 // Print GC/heap related information. | |
| 483 if (PrintGCDetails) { | |
| 484 Universe::print(); | |
| 485 AdaptiveSizePolicyOutput(0); | |
| 486 } | |
| 487 | |
| 488 | |
| 489 if (Arguments::has_alloc_profile()) { | |
| 490 HandleMark hm; | |
| 491 // Do one last collection to enumerate all the objects | |
| 492 // allocated since the last one. | |
| 493 Universe::heap()->collect(GCCause::_allocation_profiler); | |
| 494 AllocationProfiler::disengage(); | |
| 495 AllocationProfiler::print(0); | |
| 496 } | |
| 497 | |
| 498 if (PrintBytecodeHistogram) { | |
| 499 BytecodeHistogram::print(); | |
| 500 } | |
| 501 | |
| 502 if (JvmtiExport::should_post_thread_life()) { | |
| 503 JvmtiExport::post_thread_end(thread); | |
| 504 } | |
| 505 // Always call even when there are not JVMTI environments yet, since environments | |
| 506 // may be attached late and JVMTI must track phases of VM execution | |
| 507 JvmtiExport::post_vm_death(); | |
| 508 Threads::shutdown_vm_agents(); | |
| 509 | |
| 510 // Terminate the signal thread | |
| 511 // Note: we don't wait until it actually dies. | |
| 512 os::terminate_signal_thread(); | |
| 513 | |
| 514 print_statistics(); | |
| 515 Universe::heap()->print_tracing_info(); | |
| 516 | |
| 517 { MutexLocker ml(BeforeExit_lock); | |
| 518 _before_exit_status = BEFORE_EXIT_DONE; | |
| 519 BeforeExit_lock->notify_all(); | |
| 520 } | |
| 521 | |
| 522 #undef BEFORE_EXIT_NOT_RUN | |
| 523 #undef BEFORE_EXIT_RUNNING | |
| 524 #undef BEFORE_EXIT_DONE | |
| 525 } | |
| 526 | |
| 527 void vm_exit(int code) { | |
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528 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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529 ThreadLocalStorage::get_thread_slow() : NULL; |
| 0 | 530 if (thread == NULL) { |
| 531 // we have serious problems -- just exit | |
| 532 vm_direct_exit(code); | |
| 533 } | |
| 534 | |
| 535 if (VMThread::vm_thread() != NULL) { | |
| 536 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
| 537 VM_Exit op(code); | |
| 538 if (thread->is_Java_thread()) | |
| 539 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
| 540 VMThread::execute(&op); | |
| 541 // should never reach here; but in case something wrong with VM Thread. | |
| 542 vm_direct_exit(code); | |
| 543 } else { | |
| 544 // VM thread is gone, just exit | |
| 545 vm_direct_exit(code); | |
| 546 } | |
| 547 ShouldNotReachHere(); | |
| 548 } | |
| 549 | |
| 550 void notify_vm_shutdown() { | |
| 551 // For now, just a dtrace probe. | |
| 4006 | 552 #ifndef USDT2 |
| 0 | 553 HS_DTRACE_PROBE(hotspot, vm__shutdown); |
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554 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
| 4006 | 555 #else /* USDT2 */ |
| 556 HOTSPOT_VM_SHUTDOWN(); | |
| 557 #endif /* USDT2 */ | |
| 0 | 558 } |
| 559 | |
| 560 void vm_direct_exit(int code) { | |
| 561 notify_vm_shutdown(); | |
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562 os::wait_for_keypress_at_exit(); |
| 0 | 563 ::exit(code); |
| 564 } | |
| 565 | |
| 566 void vm_perform_shutdown_actions() { | |
| 567 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
| 568 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
| 569 // kinds of assertions to trigger in debug mode. | |
| 570 if (is_init_completed()) { | |
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571 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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572 ThreadLocalStorage::get_thread_slow() : NULL; |
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573 if (thread != NULL && thread->is_Java_thread()) { |
| 0 | 574 // We are leaving the VM, set state to native (in case any OS exit |
| 575 // handlers call back to the VM) | |
| 576 JavaThread* jt = (JavaThread*)thread; | |
| 577 // Must always be walkable or have no last_Java_frame when in | |
| 578 // thread_in_native | |
| 579 jt->frame_anchor()->make_walkable(jt); | |
| 580 jt->set_thread_state(_thread_in_native); | |
| 581 } | |
| 582 } | |
| 583 notify_vm_shutdown(); | |
| 584 } | |
| 585 | |
| 586 void vm_shutdown() | |
| 587 { | |
| 588 vm_perform_shutdown_actions(); | |
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589 os::wait_for_keypress_at_exit(); |
| 0 | 590 os::shutdown(); |
| 591 } | |
| 592 | |
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593 void vm_abort(bool dump_core) { |
| 0 | 594 vm_perform_shutdown_actions(); |
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595 os::wait_for_keypress_at_exit(); |
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596 os::abort(dump_core); |
| 0 | 597 ShouldNotReachHere(); |
| 598 } | |
| 599 | |
| 600 void vm_notify_during_shutdown(const char* error, const char* message) { | |
| 601 if (error != NULL) { | |
| 602 tty->print_cr("Error occurred during initialization of VM"); | |
| 603 tty->print("%s", error); | |
| 604 if (message != NULL) { | |
| 605 tty->print_cr(": %s", message); | |
| 606 } | |
| 607 else { | |
| 608 tty->cr(); | |
| 609 } | |
| 610 } | |
| 611 if (ShowMessageBoxOnError && WizardMode) { | |
| 612 fatal("Error occurred during initialization of VM"); | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 void vm_exit_during_initialization(Handle exception) { | |
| 617 tty->print_cr("Error occurred during initialization of VM"); | |
| 618 // If there are exceptions on this thread it must be cleared | |
| 619 // first and here. Any future calls to EXCEPTION_MARK requires | |
| 620 // that no pending exceptions exist. | |
| 621 Thread *THREAD = Thread::current(); | |
| 622 if (HAS_PENDING_EXCEPTION) { | |
| 623 CLEAR_PENDING_EXCEPTION; | |
| 624 } | |
| 625 java_lang_Throwable::print(exception, tty); | |
| 626 tty->cr(); | |
| 627 java_lang_Throwable::print_stack_trace(exception(), tty); | |
| 628 tty->cr(); | |
| 629 vm_notify_during_shutdown(NULL, NULL); | |
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630 |
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631 // Failure during initialization, we don't want to dump core |
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632 vm_abort(false); |
| 0 | 633 } |
| 634 | |
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635 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
| 0 | 636 ResourceMark rm; |
| 637 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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638 |
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639 // Failure during initialization, we don't want to dump core |
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640 vm_abort(false); |
| 0 | 641 } |
| 642 | |
| 643 void vm_exit_during_initialization(const char* error, const char* message) { | |
| 644 vm_notify_during_shutdown(error, 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_shutdown_during_initialization(const char* error, const char* message) { | |
| 651 vm_notify_during_shutdown(error, message); | |
| 652 vm_shutdown(); | |
| 653 } | |
| 654 | |
| 242 | 655 JDK_Version JDK_Version::_current; |
| 0 | 656 |
| 657 void JDK_Version::initialize() { | |
| 242 | 658 jdk_version_info info; |
| 659 assert(!_current.is_valid(), "Don't initialize twice"); | |
| 660 | |
| 0 | 661 void *lib_handle = os::native_java_library(); |
| 242 | 662 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
| 663 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
| 0 | 664 |
| 665 if (func == NULL) { | |
| 666 // JDK older than 1.6 | |
| 242 | 667 _current._partially_initialized = true; |
| 668 } else { | |
| 669 (*func)(&info, sizeof(info)); | |
| 0 | 670 |
| 242 | 671 int major = JDK_VERSION_MAJOR(info.jdk_version); |
| 672 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
| 673 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
| 674 int build = JDK_VERSION_BUILD(info.jdk_version); | |
| 675 if (major == 1 && minor > 4) { | |
| 676 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
| 677 major = minor; | |
| 678 minor = micro; | |
| 679 micro = 0; | |
| 680 } | |
| 681 _current = JDK_Version(major, minor, micro, info.update_version, | |
| 682 info.special_update_version, build, | |
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683 info.thread_park_blocker == 1, |
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684 info.post_vm_init_hook_enabled == 1, |
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685 info.pending_list_uses_discovered_field == 1); |
| 0 | 686 } |
| 242 | 687 } |
| 688 | |
| 689 void JDK_Version::fully_initialize( | |
| 690 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
| 691 // This is only called when current is less than 1.6 and we've gotten | |
| 692 // far enough in the initialization to determine the exact version. | |
| 693 assert(major < 6, "not needed for JDK version >= 6"); | |
| 694 assert(is_partially_initialized(), "must not initialize"); | |
| 695 if (major < 5) { | |
| 696 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
| 697 micro = minor; | |
| 698 minor = major; | |
| 699 major = 1; | |
| 0 | 700 } |
| 242 | 701 _current = JDK_Version(major, minor, micro, update); |
| 0 | 702 } |
| 703 | |
| 704 void JDK_Version_init() { | |
| 705 JDK_Version::initialize(); | |
| 706 } | |
| 242 | 707 |
| 708 static int64_t encode_jdk_version(const JDK_Version& v) { | |
| 709 return | |
| 710 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
| 711 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
| 712 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
| 713 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
| 714 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
| 715 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
| 716 } | |
| 717 | |
| 718 int JDK_Version::compare(const JDK_Version& other) const { | |
| 719 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
| 720 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
| 721 return -(other.compare(*this)); // flip the comparators | |
| 722 } | |
| 723 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
| 724 if (is_partially_initialized()) { | |
| 725 assert(other.major_version() >= 6, | |
| 726 "Invalid JDK version comparison during initialization"); | |
| 727 return -1; | |
| 728 } else { | |
| 729 uint64_t e = encode_jdk_version(*this); | |
| 730 uint64_t o = encode_jdk_version(other); | |
| 731 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
| 732 } | |
| 733 } | |
| 734 | |
| 735 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
| 736 size_t index = 0; | |
| 737 if (!is_valid()) { | |
| 738 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
| 739 } else if (is_partially_initialized()) { | |
| 740 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
| 741 } else { | |
| 742 index += jio_snprintf( | |
| 743 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
| 744 if (_micro > 0) { | |
| 745 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
| 746 } | |
| 747 if (_update > 0) { | |
| 748 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
| 749 } | |
| 750 if (_special > 0) { | |
| 751 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
| 752 } | |
| 753 if (_build > 0) { | |
| 754 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
| 755 } | |
| 756 } | |
| 757 } |