a8d6a05ce8
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
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
/*
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* Copyright (c) 2019, 2020, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
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#include "memory/iterator.hpp"
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#include "oops/accessDecorators.hpp"
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#include "runtime/handshake.hpp"
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class ShenandoahHeap;
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class ShenandoahMarkingContext;
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class ShenandoahHeapRegionSet;
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class Thread;
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class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure {
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private:
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ShenandoahMarkingContext* const _mark_context;
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public:
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inline ShenandoahForwardedIsAliveClosure();
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inline bool do_object_b(oop obj);
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};
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class ShenandoahIsAliveClosure: public BoolObjectClosure {
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private:
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ShenandoahMarkingContext* const _mark_context;
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public:
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inline ShenandoahIsAliveClosure();
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inline bool do_object_b(oop obj);
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};
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class ShenandoahIsAliveSelector : public StackObj {
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private:
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ShenandoahIsAliveClosure _alive_cl;
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ShenandoahForwardedIsAliveClosure _fwd_alive_cl;
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public:
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inline BoolObjectClosure* is_alive_closure();
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};
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class ShenandoahUpdateRefsClosure: public OopClosure {
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private:
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ShenandoahHeap* _heap;
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public:
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inline ShenandoahUpdateRefsClosure();
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inline void do_oop(oop* p);
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inline void do_oop(narrowOop* p);
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private:
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template <class T>
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inline void do_oop_work(T* p);
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};
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template <DecoratorSet MO = MO_UNORDERED>
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class ShenandoahEvacuateUpdateRootsClosure: public BasicOopIterateClosure {
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private:
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ShenandoahHeap* _heap;
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Thread* _thread;
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public:
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inline ShenandoahEvacuateUpdateRootsClosure();
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inline void do_oop(oop* p);
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inline void do_oop(narrowOop* p);
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private:
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template <class T>
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inline void do_oop_work(T* p);
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};
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class ShenandoahEvacUpdateOopStorageRootsClosure : public BasicOopIterateClosure {
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private:
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ShenandoahHeap* _heap;
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Thread* _thread;
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public:
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inline ShenandoahEvacUpdateOopStorageRootsClosure();
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inline void do_oop(oop* p);
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inline void do_oop(narrowOop* p);
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};
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template <bool CONCURRENT, typename IsAlive, typename KeepAlive>
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class ShenandoahCleanUpdateWeakOopsClosure : public OopClosure {
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private:
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IsAlive* _is_alive;
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KeepAlive* _keep_alive;
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public:
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inline ShenandoahCleanUpdateWeakOopsClosure(IsAlive* is_alive, KeepAlive* keep_alive);
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inline void do_oop(oop* p);
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inline void do_oop(narrowOop* p);
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};
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class ShenandoahCodeBlobAndDisarmClosure: public CodeBlobToOopClosure {
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private:
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BarrierSetNMethod* const _bs;
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public:
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inline ShenandoahCodeBlobAndDisarmClosure(OopClosure* cl);
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inline void do_code_blob(CodeBlob* cb);
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};
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class ShenandoahRendezvousClosure : public HandshakeClosure {
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public:
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inline ShenandoahRendezvousClosure();
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inline void do_thread(Thread* thread);
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};
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#ifdef ASSERT
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class ShenandoahAssertNotForwardedClosure : public OopClosure {
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private:
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template <class T>
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inline void do_oop_work(T* p);
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public:
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inline void do_oop(narrowOop* p);
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inline void do_oop(oop* p);
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};
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#endif // ASSERT
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
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