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8247879: Rework WeakHandle and OopHandle to dynamically support different OopStorages

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Reviewed-by: coleenp, eosterlund
This commit is contained in:
Stefan Karlsson 2020-06-23 09:38:21 +02:00
parent b7e944953e
commit 17f2250c5a
17 changed files with 84 additions and 112 deletions
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5
src/hotspot/share/classfile/classLoaderData.cpp
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@ -55,6 +55,7 @@
#include "classfile/packageEntry.hpp"
#include "classfile/symbolTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "gc/shared/oopStorageSet.hpp"
#include "logging/log.hpp"
#include "logging/logStream.hpp"
#include "memory/allocation.inline.hpp"
@ -487,7 +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<vm_weak_data>::create(loader_or_mirror);
_holder = WeakHandle(OopStorageSet::vm_weak(), loader_or_mirror);
}
}
@ -654,7 +655,7 @@ ClassLoaderData::~ClassLoaderData() {
ClassLoaderDataGraph::dec_instance_classes(cl.instance_class_released());
// Release the WeakHandle
_holder.release();
_holder.release(OopStorageSet::vm_weak());
// Release C heap allocated hashtable for all the packages.
if (_packages != NULL) {