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8248391: Unify handling of all OopStorage instances in weak root processing

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OopStorage instance now owned by subsystems, and generalize dead entry notification

Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Reviewed-by: coleenp, tschatzl
This commit is contained in:
Kim Barrett 2020-07-16 17:41:14 -04:00
parent 55af701cc3
commit a8d6a05ce8
42 changed files with 822 additions and 574 deletions
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4
src/hotspot/share/classfile/classLoaderData.cpp
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@ -488,7 +488,7 @@ void ClassLoaderData::add_class(Klass* k, bool publicize /* true */) {
void ClassLoaderData::initialize_holder(Handle loader_or_mirror) {
if (loader_or_mirror() != NULL) {
assert(_holder.is_null(), "never replace holders");
_holder = WeakHandle(OopStorageSet::vm_weak(), loader_or_mirror);
_holder = WeakHandle(Universe::vm_weak(), loader_or_mirror);
}
}
@ -655,7 +655,7 @@ ClassLoaderData::~ClassLoaderData() {
ClassLoaderDataGraph::dec_instance_classes(cl.instance_class_released());
// Release the WeakHandle
_holder.release(OopStorageSet::vm_weak());
_holder.release(Universe::vm_weak());
// Release C heap allocated hashtable for all the packages.
if (_packages != NULL) {