Mercurial > hg > truffle
annotate src/share/vm/runtime/java.cpp @ 18447:f933c2d7521b
FrameBuilder: add FrameMappingToolImpl.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 17 Nov 2014 18:28:51 +0100 |
parents | 3ad5d7a6adb5 |
children | 7848fc12602b |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, 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" | |
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33 #ifdef GRAAL |
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34 #include "graal/graalCompiler.hpp" |
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35 #include "graal/graalRuntime.hpp" |
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36 #endif |
1972 | 37 #include "memory/genCollectedHeap.hpp" |
38 #include "memory/oopFactory.hpp" | |
39 #include "memory/universe.hpp" | |
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40 #include "oops/constantPool.hpp" |
1972 | 41 #include "oops/generateOopMap.hpp" |
42 #include "oops/instanceKlass.hpp" | |
43 #include "oops/instanceOop.hpp" | |
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44 #include "oops/method.hpp" |
1972 | 45 #include "oops/objArrayOop.hpp" |
46 #include "oops/oop.inline.hpp" | |
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47 #include "oops/symbol.hpp" |
1972 | 48 #include "prims/jvmtiExport.hpp" |
49 #include "runtime/arguments.hpp" | |
50 #include "runtime/biasedLocking.hpp" | |
51 #include "runtime/compilationPolicy.hpp" | |
52 #include "runtime/fprofiler.hpp" | |
53 #include "runtime/init.hpp" | |
54 #include "runtime/interfaceSupport.hpp" | |
55 #include "runtime/java.hpp" | |
56 #include "runtime/memprofiler.hpp" | |
57 #include "runtime/sharedRuntime.hpp" | |
58 #include "runtime/statSampler.hpp" | |
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59 #include "runtime/sweeper.hpp" |
1972 | 60 #include "runtime/task.hpp" |
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61 #include "runtime/thread.inline.hpp" |
1972 | 62 #include "runtime/timer.hpp" |
63 #include "runtime/vm_operations.hpp" | |
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64 #include "services/memReporter.hpp" |
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65 #include "services/memTracker.hpp" |
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66 #include "trace/tracing.hpp" |
1972 | 67 #include "utilities/dtrace.hpp" |
68 #include "utilities/globalDefinitions.hpp" | |
69 #include "utilities/histogram.hpp" | |
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70 #include "utilities/macros.hpp" |
1972 | 71 #include "utilities/vmError.hpp" |
72 #ifdef TARGET_ARCH_x86 | |
73 # include "vm_version_x86.hpp" | |
74 #endif | |
75 #ifdef TARGET_ARCH_sparc | |
76 # include "vm_version_sparc.hpp" | |
77 #endif | |
78 #ifdef TARGET_ARCH_zero | |
79 # include "vm_version_zero.hpp" | |
80 #endif | |
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81 #ifdef TARGET_ARCH_arm |
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82 # include "vm_version_arm.hpp" |
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83 #endif |
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84 #ifdef TARGET_ARCH_ppc |
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85 # include "vm_version_ppc.hpp" |
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86 #endif |
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87 #if INCLUDE_ALL_GCS |
1972 | 88 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" |
89 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
90 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
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91 #endif // INCLUDE_ALL_GCS |
1972 | 92 #ifdef COMPILER1 |
93 #include "c1/c1_Compiler.hpp" | |
94 #include "c1/c1_Runtime1.hpp" | |
95 #endif | |
96 #ifdef COMPILER2 | |
97 #include "code/compiledIC.hpp" | |
98 #include "compiler/methodLiveness.hpp" | |
99 #include "opto/compile.hpp" | |
100 #include "opto/indexSet.hpp" | |
101 #include "opto/runtime.hpp" | |
102 #endif | |
0 | 103 |
4006 | 104 #ifndef USDT2 |
0 | 105 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); |
4006 | 106 #endif /* !USDT2 */ |
0 | 107 |
108 #ifndef PRODUCT | |
109 | |
110 // Statistics printing (method invocation histogram) | |
111 | |
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112 GrowableArray<Method*>* collected_invoked_methods; |
0 | 113 |
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114 void collect_invoked_methods(Method* m) { |
0 | 115 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { |
116 collected_invoked_methods->push(m); | |
117 } | |
118 } | |
119 | |
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120 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
0 | 121 |
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122 GrowableArray<Method*>* collected_profiled_methods; |
0 | 123 |
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124 void collect_profiled_methods(Method* m) { |
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125 Thread* thread = Thread::current(); |
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126 // This HandleMark prevents a huge amount of handles from being added |
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127 // to the metadata_handles() array on the thread. |
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128 HandleMark hm(thread); |
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129 methodHandle mh(thread, m); |
0 | 130 if ((m->method_data() != NULL) && |
131 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
132 collected_profiled_methods->push(m); | |
133 } | |
134 } | |
135 | |
136 | |
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137 int compare_methods(Method** a, Method** b) { |
0 | 138 // %%% there can be 32-bit overflow here |
139 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
140 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
141 } | |
142 | |
143 | |
144 void print_method_invocation_histogram() { | |
145 ResourceMark rm; | |
146 HandleMark hm; | |
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147 collected_invoked_methods = new GrowableArray<Method*>(1024); |
0 | 148 SystemDictionary::methods_do(collect_invoked_methods); |
149 collected_invoked_methods->sort(&compare_methods); | |
150 // | |
151 tty->cr(); | |
152 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
153 tty->cr(); | |
154 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
155 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
156 synch_total = 0, nativ_total = 0, acces_total = 0; | |
157 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
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158 Method* m = collected_invoked_methods->at(index); |
0 | 159 int c = m->invocation_count() + m->compiled_invocation_count(); |
160 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
161 int_total += m->invocation_count(); | |
162 comp_total += m->compiled_invocation_count(); | |
163 if (m->is_final()) final_total += c; | |
164 if (m->is_static()) static_total += c; | |
165 if (m->is_synchronized()) synch_total += c; | |
166 if (m->is_native()) nativ_total += c; | |
167 if (m->is_accessor()) acces_total += c; | |
168 } | |
169 tty->cr(); | |
170 total = int_total + comp_total; | |
171 tty->print_cr("Invocations summary:"); | |
172 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
173 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
174 tty->print_cr("\t%9d (100%%) total", total); | |
175 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
176 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
177 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
178 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
179 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
180 tty->cr(); | |
181 SharedRuntime::print_call_statistics(comp_total); | |
182 } | |
183 | |
184 void print_method_profiling_data() { | |
185 ResourceMark rm; | |
186 HandleMark hm; | |
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187 collected_profiled_methods = new GrowableArray<Method*>(1024); |
0 | 188 SystemDictionary::methods_do(collect_profiled_methods); |
189 collected_profiled_methods->sort(&compare_methods); | |
190 | |
191 int count = collected_profiled_methods->length(); | |
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192 int total_size = 0; |
0 | 193 if (count > 0) { |
194 for (int index = 0; index < count; index++) { | |
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195 Method* m = collected_profiled_methods->at(index); |
0 | 196 ttyLocker ttyl; |
197 tty->print_cr("------------------------------------------------------------------------"); | |
198 //m->print_name(tty); | |
199 m->print_invocation_count(); | |
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200 tty->print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes()); |
0 | 201 tty->cr(); |
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202 // Dump data on parameters if any |
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203 if (m->method_data() != NULL && m->method_data()->parameters_type_data() != NULL) { |
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204 tty->fill_to(2); |
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205 m->method_data()->parameters_type_data()->print_data_on(tty); |
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206 } |
0 | 207 m->print_codes(); |
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208 total_size += m->method_data()->size_in_bytes(); |
0 | 209 } |
210 tty->print_cr("------------------------------------------------------------------------"); | |
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211 tty->print_cr("Total MDO size: %d bytes", total_size); |
0 | 212 } |
213 } | |
214 | |
215 void print_bytecode_count() { | |
216 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
217 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
218 } | |
219 } | |
220 | |
221 AllocStats alloc_stats; | |
222 | |
223 | |
224 | |
225 // General statistics printing (profiling ...) | |
226 void print_statistics() { | |
227 #ifdef ASSERT | |
228 | |
229 if (CountRuntimeCalls) { | |
230 extern Histogram *RuntimeHistogram; | |
231 RuntimeHistogram->print(); | |
232 } | |
233 | |
234 if (CountJNICalls) { | |
235 extern Histogram *JNIHistogram; | |
236 JNIHistogram->print(); | |
237 } | |
238 | |
239 if (CountJVMCalls) { | |
240 extern Histogram *JVMHistogram; | |
241 JVMHistogram->print(); | |
242 } | |
243 | |
244 #endif | |
245 | |
246 if (MemProfiling) { | |
247 MemProfiler::disengage(); | |
248 } | |
249 | |
250 if (CITime) { | |
251 CompileBroker::print_times(); | |
252 } | |
253 | |
254 #ifdef COMPILER1 | |
255 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
256 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
257 Runtime1::print_statistics(); | |
258 Deoptimization::print_statistics(); | |
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259 SharedRuntime::print_statistics(); |
0 | 260 } |
261 #endif /* COMPILER1 */ | |
262 | |
263 #ifdef COMPILER2 | |
264 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
265 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
266 Compile::print_statistics(); | |
267 #ifndef COMPILER1 | |
268 Deoptimization::print_statistics(); | |
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269 SharedRuntime::print_statistics(); |
0 | 270 #endif //COMPILER1 |
271 os::print_statistics(); | |
272 } | |
273 | |
17780 | 274 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics || PrintPreciseRTMLockingStatistics) { |
0 | 275 OptoRuntime::print_named_counters(); |
276 } | |
277 | |
278 if (TimeLivenessAnalysis) { | |
279 MethodLiveness::print_times(); | |
280 } | |
281 #ifdef ASSERT | |
282 if (CollectIndexSetStatistics) { | |
283 IndexSet::print_statistics(); | |
284 } | |
285 #endif // ASSERT | |
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286 #else |
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287 #ifdef GRALL |
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288 #ifndef COMPILER1 |
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289 if ((TraceDeoptimization || LogVMOutput || LogCompilation) && UseCompiler) { |
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290 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && TraceDeoptimization); |
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291 Deoptimization::print_statistics(); |
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292 SharedRuntime::print_statistics(); |
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293 } |
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294 #endif |
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295 #endif |
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296 #endif |
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297 |
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298 if (PrintNMethodStatistics) { |
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299 nmethod::print_statistics(); |
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300 } |
0 | 301 if (CountCompiledCalls) { |
302 print_method_invocation_histogram(); | |
303 } | |
1918 | 304 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
0 | 305 print_method_profiling_data(); |
306 } | |
307 if (TimeCompiler) { | |
308 COMPILER2_PRESENT(Compile::print_timers();) | |
309 } | |
310 if (TimeCompilationPolicy) { | |
311 CompilationPolicy::policy()->print_time(); | |
312 } | |
313 if (TimeOopMap) { | |
314 GenerateOopMap::print_time(); | |
315 } | |
316 if (ProfilerCheckIntervals) { | |
317 PeriodicTask::print_intervals(); | |
318 } | |
319 if (PrintSymbolTableSizeHistogram) { | |
320 SymbolTable::print_histogram(); | |
321 } | |
322 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
323 BytecodeCounter::print(); | |
324 } | |
325 if (PrintBytecodePairHistogram) { | |
326 BytecodePairHistogram::print(); | |
327 } | |
328 | |
329 if (PrintCodeCache) { | |
330 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
331 CodeCache::print(); | |
332 } | |
333 | |
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334 if (PrintMethodFlushingStatistics) { |
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335 NMethodSweeper::print(); |
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336 } |
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337 |
0 | 338 if (PrintCodeCache2) { |
339 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
340 CodeCache::print_internals(); | |
341 } | |
342 | |
343 if (PrintClassStatistics) { | |
344 SystemDictionary::print_class_statistics(); | |
345 } | |
346 if (PrintMethodStatistics) { | |
347 SystemDictionary::print_method_statistics(); | |
348 } | |
349 | |
350 if (PrintVtableStats) { | |
351 klassVtable::print_statistics(); | |
352 klassItable::print_statistics(); | |
353 } | |
354 if (VerifyOops) { | |
355 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
356 } | |
357 | |
358 print_bytecode_count(); | |
2250 | 359 if (PrintMallocStatistics) { |
0 | 360 tty->print("allocation stats: "); |
361 alloc_stats.print(); | |
362 tty->cr(); | |
363 } | |
364 | |
365 if (PrintSystemDictionaryAtExit) { | |
366 SystemDictionary::print(); | |
367 } | |
368 | |
369 if (PrintBiasedLockingStatistics) { | |
370 BiasedLocking::print_counters(); | |
371 } | |
372 | |
373 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
374 #ifdef COMPILER2 | |
375 if (ZapDeadCompiledLocals) { | |
376 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
377 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
378 } | |
379 #endif // COMPILER2 | |
380 #endif // ENABLE_ZAP_DEAD_LOCALS | |
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381 // Native memory tracking data |
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382 if (PrintNMTStatistics) { |
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383 if (MemTracker::is_on()) { |
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384 BaselineTTYOutputer outputer(tty); |
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385 MemTracker::print_memory_usage(outputer, K, false); |
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386 } else { |
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387 tty->print_cr("%s", MemTracker::reason()); |
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388 } |
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389 } |
0 | 390 } |
391 | |
392 #else // PRODUCT MODE STATISTICS | |
393 | |
394 void print_statistics() { | |
395 | |
396 if (CITime) { | |
397 CompileBroker::print_times(); | |
398 } | |
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399 |
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400 if (PrintCodeCache) { |
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401 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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402 CodeCache::print(); |
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403 } |
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404 |
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405 if (PrintMethodFlushingStatistics) { |
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406 NMethodSweeper::print(); |
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407 } |
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408 |
0 | 409 #ifdef COMPILER2 |
17780 | 410 if (PrintPreciseBiasedLockingStatistics || PrintPreciseRTMLockingStatistics) { |
0 | 411 OptoRuntime::print_named_counters(); |
412 } | |
413 #endif | |
414 if (PrintBiasedLockingStatistics) { | |
415 BiasedLocking::print_counters(); | |
416 } | |
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417 if (PrintNMethodStatistics) { |
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418 nmethod::print_statistics(); |
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419 } |
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420 |
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421 // Native memory tracking data |
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422 if (PrintNMTStatistics) { |
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423 if (MemTracker::is_on()) { |
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424 BaselineTTYOutputer outputer(tty); |
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425 MemTracker::print_memory_usage(outputer, K, false); |
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426 } else { |
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427 tty->print_cr("%s", MemTracker::reason()); |
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428 } |
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429 } |
0 | 430 } |
431 | |
432 #endif | |
433 | |
434 | |
435 // Helper class for registering on_exit calls through JVM_OnExit | |
436 | |
437 extern "C" { | |
438 typedef void (*__exit_proc)(void); | |
439 } | |
440 | |
6197 | 441 class ExitProc : public CHeapObj<mtInternal> { |
0 | 442 private: |
443 __exit_proc _proc; | |
444 // void (*_proc)(void); | |
445 ExitProc* _next; | |
446 public: | |
447 // ExitProc(void (*proc)(void)) { | |
448 ExitProc(__exit_proc proc) { | |
449 _proc = proc; | |
450 _next = NULL; | |
451 } | |
452 void evaluate() { _proc(); } | |
453 ExitProc* next() const { return _next; } | |
454 void set_next(ExitProc* next) { _next = next; } | |
455 }; | |
456 | |
457 | |
458 // Linked list of registered on_exit procedures | |
459 | |
460 static ExitProc* exit_procs = NULL; | |
461 | |
462 | |
463 extern "C" { | |
464 void register_on_exit_function(void (*func)(void)) { | |
465 ExitProc *entry = new ExitProc(func); | |
466 // Classic vm does not throw an exception in case the allocation failed, | |
467 if (entry != NULL) { | |
468 entry->set_next(exit_procs); | |
469 exit_procs = entry; | |
470 } | |
471 } | |
472 } | |
473 | |
474 // Note: before_exit() can be executed only once, if more than one threads | |
475 // are trying to shutdown the VM at the same time, only one thread | |
476 // can run before_exit() and all other threads must wait. | |
477 void before_exit(JavaThread * thread) { | |
478 #define BEFORE_EXIT_NOT_RUN 0 | |
479 #define BEFORE_EXIT_RUNNING 1 | |
480 #define BEFORE_EXIT_DONE 2 | |
481 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
482 | |
483 // Note: don't use a Mutex to guard the entire before_exit(), as | |
484 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
485 // A CAS or OSMutex would work just fine but then we need to manipulate | |
486 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
487 // for synchronization. | |
488 { MutexLocker ml(BeforeExit_lock); | |
489 switch (_before_exit_status) { | |
490 case BEFORE_EXIT_NOT_RUN: | |
491 _before_exit_status = BEFORE_EXIT_RUNNING; | |
492 break; | |
493 case BEFORE_EXIT_RUNNING: | |
494 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
495 BeforeExit_lock->wait(); | |
496 } | |
497 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
498 return; | |
499 case BEFORE_EXIT_DONE: | |
500 return; | |
501 } | |
502 } | |
503 | |
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504 #ifdef GRAAL |
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505 GraalRuntime::shutdown(); |
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506 #endif |
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507 |
0 | 508 // The only difference between this and Win32's _onexit procs is that |
509 // this version is invoked before any threads get killed. | |
510 ExitProc* current = exit_procs; | |
511 while (current != NULL) { | |
512 ExitProc* next = current->next(); | |
513 current->evaluate(); | |
514 delete current; | |
515 current = next; | |
516 } | |
517 | |
518 // Hang forever on exit if we're reporting an error. | |
519 if (ShowMessageBoxOnError && is_error_reported()) { | |
520 os::infinite_sleep(); | |
521 } | |
522 | |
523 // Terminate watcher thread - must before disenrolling any periodic task | |
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524 if (PeriodicTask::num_tasks() > 0) |
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525 WatcherThread::stop(); |
0 | 526 |
527 // Print statistics gathered (profiling ...) | |
528 if (Arguments::has_profile()) { | |
529 FlatProfiler::disengage(); | |
530 FlatProfiler::print(10); | |
531 } | |
532 | |
533 // shut down the StatSampler task | |
534 StatSampler::disengage(); | |
535 StatSampler::destroy(); | |
536 | |
17992 | 537 // Stop concurrent GC threads |
538 Universe::heap()->stop(); | |
0 | 539 |
540 // Print GC/heap related information. | |
541 if (PrintGCDetails) { | |
542 Universe::print(); | |
543 AdaptiveSizePolicyOutput(0); | |
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544 if (Verbose) { |
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545 ClassLoaderDataGraph::dump_on(gclog_or_tty); |
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546 } |
0 | 547 } |
548 | |
549 if (PrintBytecodeHistogram) { | |
550 BytecodeHistogram::print(); | |
551 } | |
552 | |
553 if (JvmtiExport::should_post_thread_life()) { | |
554 JvmtiExport::post_thread_end(thread); | |
555 } | |
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556 |
10405 | 557 |
558 EventThreadEnd event; | |
559 if (event.should_commit()) { | |
560 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
561 event.commit(); | |
562 } | |
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563 |
0 | 564 // Always call even when there are not JVMTI environments yet, since environments |
565 // may be attached late and JVMTI must track phases of VM execution | |
566 JvmtiExport::post_vm_death(); | |
567 Threads::shutdown_vm_agents(); | |
568 | |
569 // Terminate the signal thread | |
570 // Note: we don't wait until it actually dies. | |
571 os::terminate_signal_thread(); | |
572 | |
573 print_statistics(); | |
574 Universe::heap()->print_tracing_info(); | |
575 | |
576 { MutexLocker ml(BeforeExit_lock); | |
577 _before_exit_status = BEFORE_EXIT_DONE; | |
578 BeforeExit_lock->notify_all(); | |
579 } | |
580 | |
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581 // Shutdown NMT before exit. Otherwise, |
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582 // it will run into trouble when system destroys static variables. |
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583 MemTracker::shutdown(MemTracker::NMT_normal); |
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584 |
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585 if (VerifyStringTableAtExit) { |
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586 int fail_cnt = 0; |
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587 { |
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588 MutexLocker ml(StringTable_lock); |
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589 fail_cnt = StringTable::verify_and_compare_entries(); |
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590 } |
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591 |
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592 if (fail_cnt != 0) { |
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593 tty->print_cr("ERROR: fail_cnt=%d", fail_cnt); |
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594 guarantee(fail_cnt == 0, "unexpected StringTable verification failures"); |
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595 } |
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596 } |
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597 |
0 | 598 #undef BEFORE_EXIT_NOT_RUN |
599 #undef BEFORE_EXIT_RUNNING | |
600 #undef BEFORE_EXIT_DONE | |
601 } | |
602 | |
603 void vm_exit(int code) { | |
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604 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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605 ThreadLocalStorage::get_thread_slow() : NULL; |
0 | 606 if (thread == NULL) { |
607 // we have serious problems -- just exit | |
608 vm_direct_exit(code); | |
609 } | |
610 | |
611 if (VMThread::vm_thread() != NULL) { | |
612 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
613 VM_Exit op(code); | |
614 if (thread->is_Java_thread()) | |
615 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
616 VMThread::execute(&op); | |
617 // should never reach here; but in case something wrong with VM Thread. | |
618 vm_direct_exit(code); | |
619 } else { | |
620 // VM thread is gone, just exit | |
621 vm_direct_exit(code); | |
622 } | |
623 ShouldNotReachHere(); | |
624 } | |
625 | |
626 void notify_vm_shutdown() { | |
627 // For now, just a dtrace probe. | |
4006 | 628 #ifndef USDT2 |
0 | 629 HS_DTRACE_PROBE(hotspot, vm__shutdown); |
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630 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
4006 | 631 #else /* USDT2 */ |
632 HOTSPOT_VM_SHUTDOWN(); | |
633 #endif /* USDT2 */ | |
0 | 634 } |
635 | |
636 void vm_direct_exit(int code) { | |
637 notify_vm_shutdown(); | |
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638 os::wait_for_keypress_at_exit(); |
0 | 639 ::exit(code); |
640 } | |
641 | |
642 void vm_perform_shutdown_actions() { | |
643 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
644 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
645 // kinds of assertions to trigger in debug mode. | |
646 if (is_init_completed()) { | |
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647 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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648 ThreadLocalStorage::get_thread_slow() : NULL; |
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649 if (thread != NULL && thread->is_Java_thread()) { |
0 | 650 // We are leaving the VM, set state to native (in case any OS exit |
651 // handlers call back to the VM) | |
652 JavaThread* jt = (JavaThread*)thread; | |
653 // Must always be walkable or have no last_Java_frame when in | |
654 // thread_in_native | |
655 jt->frame_anchor()->make_walkable(jt); | |
656 jt->set_thread_state(_thread_in_native); | |
657 } | |
658 } | |
659 notify_vm_shutdown(); | |
660 } | |
661 | |
662 void vm_shutdown() | |
663 { | |
664 vm_perform_shutdown_actions(); | |
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665 os::wait_for_keypress_at_exit(); |
0 | 666 os::shutdown(); |
667 } | |
668 | |
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669 void vm_abort(bool dump_core) { |
0 | 670 vm_perform_shutdown_actions(); |
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671 os::wait_for_keypress_at_exit(); |
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672 os::abort(dump_core); |
0 | 673 ShouldNotReachHere(); |
674 } | |
675 | |
676 void vm_notify_during_shutdown(const char* error, const char* message) { | |
677 if (error != NULL) { | |
678 tty->print_cr("Error occurred during initialization of VM"); | |
679 tty->print("%s", error); | |
680 if (message != NULL) { | |
681 tty->print_cr(": %s", message); | |
682 } | |
683 else { | |
684 tty->cr(); | |
685 } | |
686 } | |
687 if (ShowMessageBoxOnError && WizardMode) { | |
688 fatal("Error occurred during initialization of VM"); | |
689 } | |
690 } | |
691 | |
692 void vm_exit_during_initialization(Handle exception) { | |
693 tty->print_cr("Error occurred during initialization of VM"); | |
694 // If there are exceptions on this thread it must be cleared | |
695 // first and here. Any future calls to EXCEPTION_MARK requires | |
696 // that no pending exceptions exist. | |
697 Thread *THREAD = Thread::current(); | |
698 if (HAS_PENDING_EXCEPTION) { | |
699 CLEAR_PENDING_EXCEPTION; | |
700 } | |
701 java_lang_Throwable::print(exception, tty); | |
702 tty->cr(); | |
703 java_lang_Throwable::print_stack_trace(exception(), tty); | |
704 tty->cr(); | |
705 vm_notify_during_shutdown(NULL, NULL); | |
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706 |
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707 // Failure during initialization, we don't want to dump core |
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708 vm_abort(false); |
0 | 709 } |
710 | |
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711 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
0 | 712 ResourceMark rm; |
713 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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714 |
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715 // Failure during initialization, we don't want to dump core |
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716 vm_abort(false); |
0 | 717 } |
718 | |
719 void vm_exit_during_initialization(const char* error, const char* message) { | |
720 vm_notify_during_shutdown(error, message); | |
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721 |
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722 // Failure during initialization, we don't want to dump core |
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723 vm_abort(false); |
0 | 724 } |
725 | |
726 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
727 vm_notify_during_shutdown(error, message); | |
728 vm_shutdown(); | |
729 } | |
730 | |
242 | 731 JDK_Version JDK_Version::_current; |
6181 | 732 const char* JDK_Version::_runtime_name; |
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733 const char* JDK_Version::_runtime_version; |
0 | 734 |
735 void JDK_Version::initialize() { | |
242 | 736 jdk_version_info info; |
737 assert(!_current.is_valid(), "Don't initialize twice"); | |
738 | |
0 | 739 void *lib_handle = os::native_java_library(); |
242 | 740 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
741 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
0 | 742 |
743 if (func == NULL) { | |
744 // JDK older than 1.6 | |
242 | 745 _current._partially_initialized = true; |
746 } else { | |
747 (*func)(&info, sizeof(info)); | |
0 | 748 |
242 | 749 int major = JDK_VERSION_MAJOR(info.jdk_version); |
750 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
751 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
752 int build = JDK_VERSION_BUILD(info.jdk_version); | |
753 if (major == 1 && minor > 4) { | |
754 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
755 major = minor; | |
756 minor = micro; | |
757 micro = 0; | |
758 } | |
759 _current = JDK_Version(major, minor, micro, info.update_version, | |
760 info.special_update_version, build, | |
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761 info.thread_park_blocker == 1, |
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762 info.post_vm_init_hook_enabled == 1, |
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763 info.pending_list_uses_discovered_field == 1); |
0 | 764 } |
242 | 765 } |
766 | |
767 void JDK_Version::fully_initialize( | |
768 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
769 // This is only called when current is less than 1.6 and we've gotten | |
770 // far enough in the initialization to determine the exact version. | |
771 assert(major < 6, "not needed for JDK version >= 6"); | |
772 assert(is_partially_initialized(), "must not initialize"); | |
773 if (major < 5) { | |
774 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
775 micro = minor; | |
776 minor = major; | |
777 major = 1; | |
0 | 778 } |
242 | 779 _current = JDK_Version(major, minor, micro, update); |
0 | 780 } |
781 | |
782 void JDK_Version_init() { | |
783 JDK_Version::initialize(); | |
784 } | |
242 | 785 |
786 static int64_t encode_jdk_version(const JDK_Version& v) { | |
787 return | |
788 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
789 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
790 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
791 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
792 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
793 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
794 } | |
795 | |
796 int JDK_Version::compare(const JDK_Version& other) const { | |
797 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
798 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
799 return -(other.compare(*this)); // flip the comparators | |
800 } | |
801 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
802 if (is_partially_initialized()) { | |
803 assert(other.major_version() >= 6, | |
804 "Invalid JDK version comparison during initialization"); | |
805 return -1; | |
806 } else { | |
807 uint64_t e = encode_jdk_version(*this); | |
808 uint64_t o = encode_jdk_version(other); | |
809 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
810 } | |
811 } | |
812 | |
813 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
814 size_t index = 0; | |
815 if (!is_valid()) { | |
816 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
817 } else if (is_partially_initialized()) { | |
818 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
819 } else { | |
820 index += jio_snprintf( | |
821 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
822 if (_micro > 0) { | |
823 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
824 } | |
825 if (_update > 0) { | |
826 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
827 } | |
828 if (_special > 0) { | |
829 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
830 } | |
831 if (_build > 0) { | |
832 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
833 } | |
834 } | |
835 } |