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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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10
hotspot/src/share/vm/services/gcNotifier.cpp
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@ -77,7 +77,7 @@ bool GCNotifier::has_event() {
static Handle getGcInfoBuilder(GCMemoryManager *gcManager,TRAPS) {
klassOop k = Management::sun_management_GarbageCollectorImpl_klass(CHECK_NH);
Klass* k = Management::sun_management_GarbageCollectorImpl_klass(CHECK_NH);
instanceKlassHandle gcMBeanKlass (THREAD, k);
instanceOop i = gcManager->get_memory_manager_instance(THREAD);
@ -100,7 +100,7 @@ static Handle createGcInfo(GCMemoryManager *gcManager, GCStatInfo *gcStatInfo,TR
// Fill the arrays of MemoryUsage objects with before and after GC
// per pool memory usage
klassOop mu_klass = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
Klass* mu_klass = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
instanceKlassHandle mu_kh(THREAD, mu_klass);
// The array allocations below should use a handle containing mu_klass
@ -133,7 +133,7 @@ static Handle createGcInfo(GCMemoryManager *gcManager, GCStatInfo *gcStatInfo,TR
// The type is 'I'
objArrayOop extra_args_array = oopFactory::new_objArray(SystemDictionary::Integer_klass(), 1, CHECK_NH);
objArrayHandle extra_array (THREAD, extra_args_array);
klassOop itKlass = SystemDictionary::Integer_klass();
Klass* itKlass = SystemDictionary::Integer_klass();
instanceKlassHandle intK(THREAD, itKlass);
instanceHandle extra_arg_val = intK->allocate_instance_handle(CHECK_NH);
@ -153,7 +153,7 @@ static Handle createGcInfo(GCMemoryManager *gcManager, GCStatInfo *gcStatInfo,TR
}
extra_array->obj_at_put(0,extra_arg_val());
klassOop gcInfoklass = Management::com_sun_management_GcInfo_klass(CHECK_NH);
Klass* gcInfoklass = Management::com_sun_management_GcInfo_klass(CHECK_NH);
instanceKlassHandle ik(THREAD, gcInfoklass);
Handle gcInfo_instance = ik->allocate_instance_handle(CHECK_NH);
@ -215,7 +215,7 @@ void GCNotifier::sendNotificationInternal(TRAPS) {
Handle objAction = java_lang_String::create_from_platform_dependent_str(request->gcAction, CHECK);
Handle objCause = java_lang_String::create_from_platform_dependent_str(request->gcCause, CHECK);
klassOop k = Management::sun_management_GarbageCollectorImpl_klass(CHECK);
Klass* k = Management::sun_management_GarbageCollectorImpl_klass(CHECK);
instanceKlassHandle gc_mbean_klass(THREAD, k);
instanceOop gc_mbean = request->gcManager->get_memory_manager_instance(THREAD);