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comparison src/share/vm/utilities/exceptions.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 93c71eb28866
children e522a00b91aa f34d701e952e
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
86 // Check for trying to throw stack overflow before initialization is complete 86 // Check for trying to throw stack overflow before initialization is complete
87 // to prevent infinite recursion trying to initialize stack overflow without 87 // to prevent infinite recursion trying to initialize stack overflow without
88 // adequate stack space. 88 // adequate stack space.
89 // This can happen with stress testing a large value of StackShadowPages 89 // This can happen with stress testing a large value of StackShadowPages
90 if (h_exception()->klass() == SystemDictionary::StackOverflowError_klass()) { 90 if (h_exception()->klass() == SystemDictionary::StackOverflowError_klass()) {
91 instanceKlass* ik = instanceKlass::cast(h_exception->klass()); 91 InstanceKlass* ik = InstanceKlass::cast(h_exception->klass());
92 assert(ik->is_initialized(), 92 assert(ik->is_initialized(),
93 "need to increase min_stack_allowed calculation"); 93 "need to increase min_stack_allowed calculation");
94 } 94 }
95 #endif // ASSERT 95 #endif // ASSERT
96 96
217 217
218 218
219 void Exceptions::throw_stack_overflow_exception(Thread* THREAD, const char* file, int line, methodHandle method) { 219 void Exceptions::throw_stack_overflow_exception(Thread* THREAD, const char* file, int line, methodHandle method) {
220 Handle exception; 220 Handle exception;
221 if (!THREAD->has_pending_exception()) { 221 if (!THREAD->has_pending_exception()) {
222 klassOop k = SystemDictionary::StackOverflowError_klass(); 222 Klass* k = SystemDictionary::StackOverflowError_klass();
223 oop e = instanceKlass::cast(k)->allocate_instance(CHECK); 223 oop e = InstanceKlass::cast(k)->allocate_instance(CHECK);
224 exception = Handle(THREAD, e); // fill_in_stack trace does gc 224 exception = Handle(THREAD, e); // fill_in_stack trace does gc
225 assert(instanceKlass::cast(k)->is_initialized(), "need to increase min_stack_allowed calculation"); 225 assert(InstanceKlass::cast(k)->is_initialized(), "need to increase min_stack_allowed calculation");
226 if (StackTraceInThrowable) { 226 if (StackTraceInThrowable) {
227 java_lang_Throwable::fill_in_stack_trace(exception, method()); 227 java_lang_Throwable::fill_in_stack_trace(exception, method());
228 } 228 }
229 } else { 229 } else {
230 // if prior exception, throw that one instead 230 // if prior exception, throw that one instead
255 assert(!thread->has_pending_exception(), "already has exception"); 255 assert(!thread->has_pending_exception(), "already has exception");
256 256
257 Handle h_exception; 257 Handle h_exception;
258 258
259 // Resolve exception klass 259 // Resolve exception klass
260 klassOop ik = SystemDictionary::resolve_or_fail(name, h_loader, h_protection_domain, true, thread); 260 Klass* ik = SystemDictionary::resolve_or_fail(name, h_loader, h_protection_domain, true, thread);
261 instanceKlassHandle klass(thread, ik); 261 instanceKlassHandle klass(thread, ik);
262 262
263 if (!thread->has_pending_exception()) { 263 if (!thread->has_pending_exception()) {
264 assert(klass.not_null(), "klass must exist"); 264 assert(klass.not_null(), "klass must exist");
265 // We are about to create an instance - so make sure that klass is initialized 265 // We are about to create an instance - so make sure that klass is initialized
449 oop msg = java_lang_Throwable::message(exception); 449 oop msg = java_lang_Throwable::message(exception);
450 if (msg != NULL) { 450 if (msg != NULL) {
451 message = java_lang_String::as_utf8_string(msg); 451 message = java_lang_String::as_utf8_string(msg);
452 } 452 }
453 } 453 }
454 debug_check_abort(instanceKlass::cast(exception()->klass())->external_name(), message); 454 debug_check_abort(InstanceKlass::cast(exception()->klass())->external_name(), message);
455 } 455 }
456 } 456 }
457 #endif 457 #endif