| /* |
| * Copyright (c) 2019, Red Hat, Inc. All rights reserved. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP |
| #define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP |
| |
| #include "memory/iterator.hpp" |
| |
| class ShenandoahHeap; |
| class ShenandoahMarkingContext; |
| class Thread; |
| |
| class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure { |
| private: |
| ShenandoahMarkingContext* const _mark_context; |
| public: |
| inline ShenandoahForwardedIsAliveClosure(); |
| inline bool do_object_b(oop obj); |
| }; |
| |
| class ShenandoahIsAliveClosure: public BoolObjectClosure { |
| private: |
| ShenandoahMarkingContext* const _mark_context; |
| public: |
| inline ShenandoahIsAliveClosure(); |
| inline bool do_object_b(oop obj); |
| }; |
| |
| class ShenandoahIsAliveSelector : public StackObj { |
| private: |
| ShenandoahIsAliveClosure _alive_cl; |
| ShenandoahForwardedIsAliveClosure _fwd_alive_cl; |
| public: |
| inline BoolObjectClosure* is_alive_closure(); |
| }; |
| |
| class ShenandoahUpdateRefsClosure: public OopClosure { |
| private: |
| ShenandoahHeap* _heap; |
| public: |
| inline ShenandoahUpdateRefsClosure(); |
| inline void do_oop(oop* p); |
| inline void do_oop(narrowOop* p); |
| private: |
| template <class T> |
| inline void do_oop_work(T* p); |
| }; |
| |
| class ShenandoahEvacuateUpdateRootsClosure: public BasicOopIterateClosure { |
| private: |
| ShenandoahHeap* _heap; |
| Thread* _thread; |
| public: |
| inline ShenandoahEvacuateUpdateRootsClosure(); |
| inline void do_oop(oop* p); |
| inline void do_oop(narrowOop* p); |
| |
| private: |
| template <class T> |
| inline void do_oop_work(T* p); |
| }; |
| |
| #ifdef ASSERT |
| class ShenandoahAssertNotForwardedClosure : public OopClosure { |
| private: |
| template <class T> |
| inline void do_oop_work(T* p); |
| |
| public: |
| inline void do_oop(narrowOop* p); |
| inline void do_oop(oop* p); |
| }; |
| #endif // ASSERT |
| |
| #endif // SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP |