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8186777: Make Klass::_java_mirror an OopHandle

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Add indirection for fetching mirror so that GC doesn't have to follow CLD::_klasses

Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Reviewed-by: hseigel, thartmann, eosterlund, stefank
This commit is contained in:
Coleen Phillimore 2017-10-03 16:42:04 -04:00
parent e31bc5637a
commit 73a801bc43
61 changed files with 383 additions and 477 deletions
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9
src/hotspot/share/gc/parallel/psCompactionManager.inline.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -98,15 +98,10 @@ inline void ParCompactionManager::FollowStackClosure::do_void() {
_compaction_manager->follow_marking_stacks();
}
inline void ParCompactionManager::FollowKlassClosure::do_klass(Klass* klass) {
klass->oops_do(_mark_and_push_closure);
}
inline void ParCompactionManager::follow_class_loader(ClassLoaderData* cld) {
MarkAndPushClosure mark_and_push_closure(this);
FollowKlassClosure follow_klass_closure(&mark_and_push_closure);
cld->oops_do(&mark_and_push_closure, &follow_klass_closure, true);
cld->oops_do(&mark_and_push_closure, true);
}
inline void ParCompactionManager::follow_contents(oop obj) {