Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/java.cpp @ 14692:8504393de66b
8037043: put Method flag bits in predictable positions
Reviewed-by: kvn, coleenp
author | twisti |
---|---|
date | Tue, 11 Mar 2014 14:54:47 -0700 |
parents | e6195383bcaf |
children | d8041d695d19 |
rev | line source |
---|---|
0 | 1 /* |
10405 | 2 * Copyright (c) 1997, 2013, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1547
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1547
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1547
diff
changeset
|
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" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
36 #include "oops/constantPool.hpp" |
1972 | 37 #include "oops/generateOopMap.hpp" |
38 #include "oops/instanceKlass.hpp" | |
39 #include "oops/instanceOop.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
40 #include "oops/method.hpp" |
1972 | 41 #include "oops/objArrayOop.hpp" |
42 #include "oops/oop.inline.hpp" | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2129
diff
changeset
|
43 #include "oops/symbol.hpp" |
1972 | 44 #include "prims/jvmtiExport.hpp" |
45 #include "runtime/arguments.hpp" | |
46 #include "runtime/biasedLocking.hpp" | |
47 #include "runtime/compilationPolicy.hpp" | |
48 #include "runtime/fprofiler.hpp" | |
49 #include "runtime/init.hpp" | |
50 #include "runtime/interfaceSupport.hpp" | |
51 #include "runtime/java.hpp" | |
52 #include "runtime/memprofiler.hpp" | |
53 #include "runtime/sharedRuntime.hpp" | |
54 #include "runtime/statSampler.hpp" | |
14199
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
55 #include "runtime/sweeper.hpp" |
1972 | 56 #include "runtime/task.hpp" |
7180
f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
stefank
parents:
6921
diff
changeset
|
57 #include "runtime/thread.inline.hpp" |
1972 | 58 #include "runtime/timer.hpp" |
59 #include "runtime/vm_operations.hpp" | |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
60 #include "services/memReporter.hpp" |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
61 #include "services/memTracker.hpp" |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4006
diff
changeset
|
62 #include "trace/tracing.hpp" |
1972 | 63 #include "utilities/dtrace.hpp" |
64 #include "utilities/globalDefinitions.hpp" | |
65 #include "utilities/histogram.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
66 #include "utilities/macros.hpp" |
1972 | 67 #include "utilities/vmError.hpp" |
68 #ifdef TARGET_ARCH_x86 | |
69 # include "vm_version_x86.hpp" | |
70 #endif | |
71 #ifdef TARGET_ARCH_sparc | |
72 # include "vm_version_sparc.hpp" | |
73 #endif | |
74 #ifdef TARGET_ARCH_zero | |
75 # include "vm_version_zero.hpp" | |
76 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
77 #ifdef TARGET_ARCH_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
78 # include "vm_version_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
79 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
80 #ifdef TARGET_ARCH_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
81 # include "vm_version_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
82 #endif |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
83 #if INCLUDE_ALL_GCS |
1972 | 84 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" |
85 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
86 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7596
diff
changeset
|
87 #endif // INCLUDE_ALL_GCS |
1972 | 88 #ifdef COMPILER1 |
89 #include "c1/c1_Compiler.hpp" | |
90 #include "c1/c1_Runtime1.hpp" | |
91 #endif | |
92 #ifdef COMPILER2 | |
93 #include "code/compiledIC.hpp" | |
94 #include "compiler/methodLiveness.hpp" | |
95 #include "opto/compile.hpp" | |
96 #include "opto/indexSet.hpp" | |
97 #include "opto/runtime.hpp" | |
98 #endif | |
0 | 99 |
100 | |
101 #ifndef PRODUCT | |
102 | |
103 // Statistics printing (method invocation histogram) | |
104 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
105 GrowableArray<Method*>* collected_invoked_methods; |
0 | 106 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
107 void collect_invoked_methods(Method* m) { |
0 | 108 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { |
109 collected_invoked_methods->push(m); | |
110 } | |
111 } | |
112 | |
113 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
114 GrowableArray<Method*>* collected_profiled_methods; |
0 | 115 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
116 void collect_profiled_methods(Method* m) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
117 Thread* thread = Thread::current(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
118 // This HandleMark prevents a huge amount of handles from being added |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
119 // to the metadata_handles() array on the thread. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
120 HandleMark hm(thread); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
121 methodHandle mh(thread, m); |
0 | 122 if ((m->method_data() != NULL) && |
123 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
124 collected_profiled_methods->push(m); | |
125 } | |
126 } | |
127 | |
128 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
129 int compare_methods(Method** a, Method** b) { |
0 | 130 // %%% there can be 32-bit overflow here |
131 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
132 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
133 } | |
134 | |
135 | |
136 void print_method_invocation_histogram() { | |
137 ResourceMark rm; | |
138 HandleMark hm; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
139 collected_invoked_methods = new GrowableArray<Method*>(1024); |
0 | 140 SystemDictionary::methods_do(collect_invoked_methods); |
141 collected_invoked_methods->sort(&compare_methods); | |
142 // | |
143 tty->cr(); | |
144 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
145 tty->cr(); | |
146 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
147 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
148 synch_total = 0, nativ_total = 0, acces_total = 0; | |
149 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
150 Method* m = collected_invoked_methods->at(index); |
0 | 151 int c = m->invocation_count() + m->compiled_invocation_count(); |
152 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
153 int_total += m->invocation_count(); | |
154 comp_total += m->compiled_invocation_count(); | |
155 if (m->is_final()) final_total += c; | |
156 if (m->is_static()) static_total += c; | |
157 if (m->is_synchronized()) synch_total += c; | |
158 if (m->is_native()) nativ_total += c; | |
159 if (m->is_accessor()) acces_total += c; | |
160 } | |
161 tty->cr(); | |
162 total = int_total + comp_total; | |
163 tty->print_cr("Invocations summary:"); | |
164 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
165 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
166 tty->print_cr("\t%9d (100%%) total", total); | |
167 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
168 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
169 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
170 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
171 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
172 tty->cr(); | |
173 SharedRuntime::print_call_statistics(comp_total); | |
174 } | |
175 | |
176 void print_method_profiling_data() { | |
177 ResourceMark rm; | |
178 HandleMark hm; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
179 collected_profiled_methods = new GrowableArray<Method*>(1024); |
0 | 180 SystemDictionary::methods_do(collect_profiled_methods); |
181 collected_profiled_methods->sort(&compare_methods); | |
182 | |
183 int count = collected_profiled_methods->length(); | |
12875
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
12275
diff
changeset
|
184 int total_size = 0; |
0 | 185 if (count > 0) { |
186 for (int index = 0; index < count; index++) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
187 Method* m = collected_profiled_methods->at(index); |
0 | 188 ttyLocker ttyl; |
189 tty->print_cr("------------------------------------------------------------------------"); | |
190 //m->print_name(tty); | |
191 m->print_invocation_count(); | |
12875
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
12275
diff
changeset
|
192 tty->print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes()); |
0 | 193 tty->cr(); |
12962
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12875
diff
changeset
|
194 // Dump data on parameters if any |
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12875
diff
changeset
|
195 if (m->method_data() != NULL && m->method_data()->parameters_type_data() != NULL) { |
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12875
diff
changeset
|
196 tty->fill_to(2); |
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12875
diff
changeset
|
197 m->method_data()->parameters_type_data()->print_data_on(tty); |
5ccbab1c69f3
8026251: New type profiling points: parameters to methods
roland
parents:
12875
diff
changeset
|
198 } |
0 | 199 m->print_codes(); |
12875
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
12275
diff
changeset
|
200 total_size += m->method_data()->size_in_bytes(); |
0 | 201 } |
202 tty->print_cr("------------------------------------------------------------------------"); | |
12875
d13d7aba8c12
8023657: New type profiling points: arguments to call
roland
parents:
12275
diff
changeset
|
203 tty->print_cr("Total MDO size: %d bytes", total_size); |
0 | 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 void print_statistics() { | |
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(); | |
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3769
diff
changeset
|
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(); | |
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3769
diff
changeset
|
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 | |
14199
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
314 if (PrintMethodFlushingStatistics) { |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
315 NMethodSweeper::print(); |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
316 } |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
317 |
0 | 318 if (PrintCodeCache2) { |
319 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
320 CodeCache::print_internals(); | |
321 } | |
322 | |
323 if (PrintClassStatistics) { | |
324 SystemDictionary::print_class_statistics(); | |
325 } | |
326 if (PrintMethodStatistics) { | |
327 SystemDictionary::print_method_statistics(); | |
328 } | |
329 | |
330 if (PrintVtableStats) { | |
331 klassVtable::print_statistics(); | |
332 klassItable::print_statistics(); | |
333 } | |
334 if (VerifyOops) { | |
335 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
336 } | |
337 | |
338 print_bytecode_count(); | |
2250 | 339 if (PrintMallocStatistics) { |
0 | 340 tty->print("allocation stats: "); |
341 alloc_stats.print(); | |
342 tty->cr(); | |
343 } | |
344 | |
345 if (PrintSystemDictionaryAtExit) { | |
346 SystemDictionary::print(); | |
347 } | |
348 | |
349 if (PrintBiasedLockingStatistics) { | |
350 BiasedLocking::print_counters(); | |
351 } | |
352 | |
353 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
354 #ifdef COMPILER2 | |
355 if (ZapDeadCompiledLocals) { | |
356 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
357 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
358 } | |
359 #endif // COMPILER2 | |
360 #endif // ENABLE_ZAP_DEAD_LOCALS | |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
361 // Native memory tracking data |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
362 if (PrintNMTStatistics) { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
363 if (MemTracker::is_on()) { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
364 BaselineTTYOutputer outputer(tty); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
365 MemTracker::print_memory_usage(outputer, K, false); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
366 } else { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
367 tty->print_cr(MemTracker::reason()); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
368 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
369 } |
0 | 370 } |
371 | |
372 #else // PRODUCT MODE STATISTICS | |
373 | |
374 void print_statistics() { | |
375 | |
376 if (CITime) { | |
377 CompileBroker::print_times(); | |
378 } | |
7595
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
379 |
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
380 if (PrintCodeCache) { |
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
381 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
382 CodeCache::print(); |
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
383 } |
9deda4d8e126
8005204: Code Cache Reduction: command line options implementation
vladidan
parents:
7180
diff
changeset
|
384 |
14199
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
385 if (PrintMethodFlushingStatistics) { |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
386 NMethodSweeper::print(); |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
387 } |
49a31fd8b93d
8025277: Add -XX: flag to print code cache sweeper statistics
anoll
parents:
12962
diff
changeset
|
388 |
0 | 389 #ifdef COMPILER2 |
390 if (PrintPreciseBiasedLockingStatistics) { | |
391 OptoRuntime::print_named_counters(); | |
392 } | |
393 #endif | |
394 if (PrintBiasedLockingStatistics) { | |
395 BiasedLocking::print_counters(); | |
396 } | |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
397 |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
398 // Native memory tracking data |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
399 if (PrintNMTStatistics) { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
400 if (MemTracker::is_on()) { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
401 BaselineTTYOutputer outputer(tty); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
402 MemTracker::print_memory_usage(outputer, K, false); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
403 } else { |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
404 tty->print_cr(MemTracker::reason()); |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
405 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6725
diff
changeset
|
406 } |
0 | 407 } |
408 | |
409 #endif | |
410 | |
411 | |
412 // Helper class for registering on_exit calls through JVM_OnExit | |
413 | |
414 extern "C" { | |
415 typedef void (*__exit_proc)(void); | |
416 } | |
417 | |
6197 | 418 class ExitProc : public CHeapObj<mtInternal> { |
0 | 419 private: |
420 __exit_proc _proc; | |
421 // void (*_proc)(void); | |
422 ExitProc* _next; | |
423 public: | |
424 // ExitProc(void (*proc)(void)) { | |
425 ExitProc(__exit_proc proc) { | |
426 _proc = proc; | |
427 _next = NULL; | |
428 } | |
429 void evaluate() { _proc(); } | |
430 ExitProc* next() const { return _next; } | |
431 void set_next(ExitProc* next) { _next = next; } | |
432 }; | |
433 | |
434 | |
435 // Linked list of registered on_exit procedures | |
436 | |
437 static ExitProc* exit_procs = NULL; | |
438 | |
439 | |
440 extern "C" { | |
441 void register_on_exit_function(void (*func)(void)) { | |
442 ExitProc *entry = new ExitProc(func); | |
443 // Classic vm does not throw an exception in case the allocation failed, | |
444 if (entry != NULL) { | |
445 entry->set_next(exit_procs); | |
446 exit_procs = entry; | |
447 } | |
448 } | |
449 } | |
450 | |
451 // Note: before_exit() can be executed only once, if more than one threads | |
452 // are trying to shutdown the VM at the same time, only one thread | |
453 // can run before_exit() and all other threads must wait. | |
454 void before_exit(JavaThread * thread) { | |
455 #define BEFORE_EXIT_NOT_RUN 0 | |
456 #define BEFORE_EXIT_RUNNING 1 | |
457 #define BEFORE_EXIT_DONE 2 | |
458 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
459 | |
460 // Note: don't use a Mutex to guard the entire before_exit(), as | |
461 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
462 // A CAS or OSMutex would work just fine but then we need to manipulate | |
463 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
464 // for synchronization. | |
465 { MutexLocker ml(BeforeExit_lock); | |
466 switch (_before_exit_status) { | |
467 case BEFORE_EXIT_NOT_RUN: | |
468 _before_exit_status = BEFORE_EXIT_RUNNING; | |
469 break; | |
470 case BEFORE_EXIT_RUNNING: | |
471 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
472 BeforeExit_lock->wait(); | |
473 } | |
474 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
475 return; | |
476 case BEFORE_EXIT_DONE: | |
477 return; | |
478 } | |
479 } | |
480 | |
481 // The only difference between this and Win32's _onexit procs is that | |
482 // this version is invoked before any threads get killed. | |
483 ExitProc* current = exit_procs; | |
484 while (current != NULL) { | |
485 ExitProc* next = current->next(); | |
486 current->evaluate(); | |
487 delete current; | |
488 current = next; | |
489 } | |
490 | |
491 // Hang forever on exit if we're reporting an error. | |
492 if (ShowMessageBoxOnError && is_error_reported()) { | |
493 os::infinite_sleep(); | |
494 } | |
495 | |
496 // Terminate watcher thread - must before disenrolling any periodic task | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
497 if (PeriodicTask::num_tasks() > 0) |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
498 WatcherThread::stop(); |
0 | 499 |
500 // Print statistics gathered (profiling ...) | |
501 if (Arguments::has_profile()) { | |
502 FlatProfiler::disengage(); | |
503 FlatProfiler::print(10); | |
504 } | |
505 | |
506 // shut down the StatSampler task | |
507 StatSampler::disengage(); | |
508 StatSampler::destroy(); | |
509 | |
3769
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
2304
diff
changeset
|
510 // We do not need to explicitly stop concurrent GC threads because the |
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
2304
diff
changeset
|
511 // JVM will be taken down at a safepoint when such threads are inactive -- |
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
2304
diff
changeset
|
512 // except for some concurrent G1 threads, see (comment in) |
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
2304
diff
changeset
|
513 // Threads::destroy_vm(). |
0 | 514 |
515 // Print GC/heap related information. | |
516 if (PrintGCDetails) { | |
517 Universe::print(); | |
518 AdaptiveSizePolicyOutput(0); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
519 if (Verbose) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
520 ClassLoaderDataGraph::dump_on(gclog_or_tty); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6198
diff
changeset
|
521 } |
0 | 522 } |
523 | |
524 if (PrintBytecodeHistogram) { | |
525 BytecodeHistogram::print(); | |
526 } | |
527 | |
528 if (JvmtiExport::should_post_thread_life()) { | |
529 JvmtiExport::post_thread_end(thread); | |
530 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4006
diff
changeset
|
531 |
10405 | 532 |
533 EventThreadEnd event; | |
534 if (event.should_commit()) { | |
535 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
536 event.commit(); | |
537 } | |
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4006
diff
changeset
|
538 |
0 | 539 // Always call even when there are not JVMTI environments yet, since environments |
540 // may be attached late and JVMTI must track phases of VM execution | |
541 JvmtiExport::post_vm_death(); | |
542 Threads::shutdown_vm_agents(); | |
543 | |
544 // Terminate the signal thread | |
545 // Note: we don't wait until it actually dies. | |
546 os::terminate_signal_thread(); | |
547 | |
548 print_statistics(); | |
549 Universe::heap()->print_tracing_info(); | |
550 | |
551 { MutexLocker ml(BeforeExit_lock); | |
552 _before_exit_status = BEFORE_EXIT_DONE; | |
553 BeforeExit_lock->notify_all(); | |
554 } | |
555 | |
7585
e0cf9af8978e
8005936: PrintNMTStatistics doesn't work for normal JVM exit
zgu
parents:
7180
diff
changeset
|
556 // Shutdown NMT before exit. Otherwise, |
e0cf9af8978e
8005936: PrintNMTStatistics doesn't work for normal JVM exit
zgu
parents:
7180
diff
changeset
|
557 // it will run into trouble when system destroys static variables. |
e0cf9af8978e
8005936: PrintNMTStatistics doesn't work for normal JVM exit
zgu
parents:
7180
diff
changeset
|
558 MemTracker::shutdown(MemTracker::NMT_normal); |
e0cf9af8978e
8005936: PrintNMTStatistics doesn't work for normal JVM exit
zgu
parents:
7180
diff
changeset
|
559 |
12275
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
560 if (VerifyStringTableAtExit) { |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
561 int fail_cnt = 0; |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
562 { |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
563 MutexLocker ml(StringTable_lock); |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
564 fail_cnt = StringTable::verify_and_compare_entries(); |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
565 } |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
566 |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
567 if (fail_cnt != 0) { |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
568 tty->print_cr("ERROR: fail_cnt=%d", fail_cnt); |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
569 guarantee(fail_cnt == 0, "unexpected StringTable verification failures"); |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
570 } |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
571 } |
63147986a428
8019835: Strings interned in different threads equal but does not ==
dcubed
parents:
11096
diff
changeset
|
572 |
0 | 573 #undef BEFORE_EXIT_NOT_RUN |
574 #undef BEFORE_EXIT_RUNNING | |
575 #undef BEFORE_EXIT_DONE | |
576 } | |
577 | |
578 void vm_exit(int code) { | |
2096
0eb90baf1b69
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
1972
diff
changeset
|
579 Thread* thread = ThreadLocalStorage::is_initialized() ? |
0eb90baf1b69
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
1972
diff
changeset
|
580 ThreadLocalStorage::get_thread_slow() : NULL; |
0 | 581 if (thread == NULL) { |
582 // we have serious problems -- just exit | |
583 vm_direct_exit(code); | |
584 } | |
585 | |
586 if (VMThread::vm_thread() != NULL) { | |
587 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
588 VM_Exit op(code); | |
589 if (thread->is_Java_thread()) | |
590 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
591 VMThread::execute(&op); | |
592 // should never reach here; but in case something wrong with VM Thread. | |
593 vm_direct_exit(code); | |
594 } else { | |
595 // VM thread is gone, just exit | |
596 vm_direct_exit(code); | |
597 } | |
598 ShouldNotReachHere(); | |
599 } | |
600 | |
601 void notify_vm_shutdown() { | |
602 // For now, just a dtrace probe. | |
4006 | 603 HOTSPOT_VM_SHUTDOWN(); |
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14199
diff
changeset
|
604 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
0 | 605 } |
606 | |
607 void vm_direct_exit(int code) { | |
608 notify_vm_shutdown(); | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2192
diff
changeset
|
609 os::wait_for_keypress_at_exit(); |
0 | 610 ::exit(code); |
611 } | |
612 | |
613 void vm_perform_shutdown_actions() { | |
614 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
615 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
616 // kinds of assertions to trigger in debug mode. | |
617 if (is_init_completed()) { | |
2096
0eb90baf1b69
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
1972
diff
changeset
|
618 Thread* thread = ThreadLocalStorage::is_initialized() ? |
0eb90baf1b69
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
1972
diff
changeset
|
619 ThreadLocalStorage::get_thread_slow() : NULL; |
0eb90baf1b69
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
1972
diff
changeset
|
620 if (thread != NULL && thread->is_Java_thread()) { |
0 | 621 // We are leaving the VM, set state to native (in case any OS exit |
622 // handlers call back to the VM) | |
623 JavaThread* jt = (JavaThread*)thread; | |
624 // Must always be walkable or have no last_Java_frame when in | |
625 // thread_in_native | |
626 jt->frame_anchor()->make_walkable(jt); | |
627 jt->set_thread_state(_thread_in_native); | |
628 } | |
629 } | |
630 notify_vm_shutdown(); | |
631 } | |
632 | |
633 void vm_shutdown() | |
634 { | |
635 vm_perform_shutdown_actions(); | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2192
diff
changeset
|
636 os::wait_for_keypress_at_exit(); |
0 | 637 os::shutdown(); |
638 } | |
639 | |
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
640 void vm_abort(bool dump_core) { |
0 | 641 vm_perform_shutdown_actions(); |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2192
diff
changeset
|
642 os::wait_for_keypress_at_exit(); |
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
643 os::abort(dump_core); |
0 | 644 ShouldNotReachHere(); |
645 } | |
646 | |
647 void vm_notify_during_shutdown(const char* error, const char* message) { | |
648 if (error != NULL) { | |
649 tty->print_cr("Error occurred during initialization of VM"); | |
650 tty->print("%s", error); | |
651 if (message != NULL) { | |
652 tty->print_cr(": %s", message); | |
653 } | |
654 else { | |
655 tty->cr(); | |
656 } | |
657 } | |
658 if (ShowMessageBoxOnError && WizardMode) { | |
659 fatal("Error occurred during initialization of VM"); | |
660 } | |
661 } | |
662 | |
663 void vm_exit_during_initialization(Handle exception) { | |
664 tty->print_cr("Error occurred during initialization of VM"); | |
665 // If there are exceptions on this thread it must be cleared | |
666 // first and here. Any future calls to EXCEPTION_MARK requires | |
667 // that no pending exceptions exist. | |
668 Thread *THREAD = Thread::current(); | |
669 if (HAS_PENDING_EXCEPTION) { | |
670 CLEAR_PENDING_EXCEPTION; | |
671 } | |
672 java_lang_Throwable::print(exception, tty); | |
673 tty->cr(); | |
674 java_lang_Throwable::print_stack_trace(exception(), tty); | |
675 tty->cr(); | |
676 vm_notify_during_shutdown(NULL, NULL); | |
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
677 |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
678 // Failure during initialization, we don't want to dump core |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
679 vm_abort(false); |
0 | 680 } |
681 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2129
diff
changeset
|
682 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
0 | 683 ResourceMark rm; |
684 vm_notify_during_shutdown(ex->as_C_string(), message); | |
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
685 |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
686 // Failure during initialization, we don't want to dump core |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
687 vm_abort(false); |
0 | 688 } |
689 | |
690 void vm_exit_during_initialization(const char* error, const char* message) { | |
691 vm_notify_during_shutdown(error, message); | |
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
692 |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
693 // Failure during initialization, we don't want to dump core |
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
61
diff
changeset
|
694 vm_abort(false); |
0 | 695 } |
696 | |
697 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
698 vm_notify_during_shutdown(error, message); | |
699 vm_shutdown(); | |
700 } | |
701 | |
242 | 702 JDK_Version JDK_Version::_current; |
6181 | 703 const char* JDK_Version::_runtime_name; |
6921
a1b8cf9cf970
8002078: hs_err_pid file should report full JDK version string
sla
parents:
6770
diff
changeset
|
704 const char* JDK_Version::_runtime_version; |
0 | 705 |
706 void JDK_Version::initialize() { | |
242 | 707 jdk_version_info info; |
708 assert(!_current.is_valid(), "Don't initialize twice"); | |
709 | |
0 | 710 void *lib_handle = os::native_java_library(); |
242 | 711 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
712 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
0 | 713 |
714 if (func == NULL) { | |
715 // JDK older than 1.6 | |
242 | 716 _current._partially_initialized = true; |
717 } else { | |
718 (*func)(&info, sizeof(info)); | |
0 | 719 |
242 | 720 int major = JDK_VERSION_MAJOR(info.jdk_version); |
721 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
722 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
723 int build = JDK_VERSION_BUILD(info.jdk_version); | |
724 if (major == 1 && minor > 4) { | |
725 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
726 major = minor; | |
727 minor = micro; | |
728 micro = 0; | |
729 } | |
730 _current = JDK_Version(major, minor, micro, info.update_version, | |
731 info.special_update_version, build, | |
2129
8f8dfba37802
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
2096
diff
changeset
|
732 info.thread_park_blocker == 1, |
3917
eca1193ca245
4965777: GC changes to support use of discovered field for pending references
ysr
parents:
3841
diff
changeset
|
733 info.post_vm_init_hook_enabled == 1, |
eca1193ca245
4965777: GC changes to support use of discovered field for pending references
ysr
parents:
3841
diff
changeset
|
734 info.pending_list_uses_discovered_field == 1); |
0 | 735 } |
242 | 736 } |
737 | |
738 void JDK_Version::fully_initialize( | |
739 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
740 // This is only called when current is less than 1.6 and we've gotten | |
741 // far enough in the initialization to determine the exact version. | |
742 assert(major < 6, "not needed for JDK version >= 6"); | |
743 assert(is_partially_initialized(), "must not initialize"); | |
744 if (major < 5) { | |
745 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
746 micro = minor; | |
747 minor = major; | |
748 major = 1; | |
0 | 749 } |
242 | 750 _current = JDK_Version(major, minor, micro, update); |
0 | 751 } |
752 | |
753 void JDK_Version_init() { | |
754 JDK_Version::initialize(); | |
755 } | |
242 | 756 |
757 static int64_t encode_jdk_version(const JDK_Version& v) { | |
758 return | |
759 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
760 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
761 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
762 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
763 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
764 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
765 } | |
766 | |
767 int JDK_Version::compare(const JDK_Version& other) const { | |
768 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
769 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
770 return -(other.compare(*this)); // flip the comparators | |
771 } | |
772 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
773 if (is_partially_initialized()) { | |
774 assert(other.major_version() >= 6, | |
775 "Invalid JDK version comparison during initialization"); | |
776 return -1; | |
777 } else { | |
778 uint64_t e = encode_jdk_version(*this); | |
779 uint64_t o = encode_jdk_version(other); | |
780 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
781 } | |
782 } | |
783 | |
784 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
785 size_t index = 0; | |
786 if (!is_valid()) { | |
787 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
788 } else if (is_partially_initialized()) { | |
789 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
790 } else { | |
791 index += jio_snprintf( | |
792 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
793 if (_micro > 0) { | |
794 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
795 } | |
796 if (_update > 0) { | |
797 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
798 } | |
799 if (_special > 0) { | |
800 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
801 } | |
802 if (_build > 0) { | |
803 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
804 } | |
805 } | |
806 } |