author | jcoomes |
Thu, 11 Dec 2008 12:05:08 -0800 | |
changeset 1668 | 8ec481b8f514 |
parent 360 | 21d113ecbf6a |
child 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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// Closures for ParNewGeneration |
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class ParScanThreadState; |
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class ParNewGeneration; |
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typedef OopTaskQueueSet ObjToScanQueueSet; |
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class ParallelTaskTerminator; |
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class ParScanClosure: public OopsInGenClosure { |
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protected: |
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ParScanThreadState* _par_scan_state; |
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ParNewGeneration* _g; |
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HeapWord* _boundary; |
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template <class T> void inline par_do_barrier(T* p); |
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template <class T> void inline do_oop_work(T* p, |
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bool gc_barrier, |
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bool root_scan); |
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public: |
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ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state); |
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}; |
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class ParScanWithBarrierClosure: public ParScanClosure { |
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public: |
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ParScanWithBarrierClosure(ParNewGeneration* g, |
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ParScanThreadState* par_scan_state) : |
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ParScanClosure(g, par_scan_state) {} |
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virtual void do_oop(oop* p); |
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virtual void do_oop(narrowOop* p); |
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inline void do_oop_nv(oop* p); |
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inline void do_oop_nv(narrowOop* p); |
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}; |
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class ParScanWithoutBarrierClosure: public ParScanClosure { |
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public: |
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ParScanWithoutBarrierClosure(ParNewGeneration* g, |
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ParScanThreadState* par_scan_state) : |
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ParScanClosure(g, par_scan_state) {} |
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virtual void do_oop(oop* p); |
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virtual void do_oop(narrowOop* p); |
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inline void do_oop_nv(oop* p); |
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inline void do_oop_nv(narrowOop* p); |
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}; |
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class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure { |
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public: |
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ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g, |
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ParScanThreadState* par_scan_state) : |
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ParScanClosure(g, par_scan_state) {} |
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virtual void do_oop(oop* p); |
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virtual void do_oop(narrowOop* p); |
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}; |
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class ParRootScanWithoutBarrierClosure: public ParScanClosure { |
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public: |
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ParRootScanWithoutBarrierClosure(ParNewGeneration* g, |
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ParScanThreadState* par_scan_state) : |
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ParScanClosure(g, par_scan_state) {} |
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virtual void do_oop(oop* p); |
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virtual void do_oop(narrowOop* p); |
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}; |
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class ParScanWeakRefClosure: public ScanWeakRefClosure { |
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protected: |
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ParScanThreadState* _par_scan_state; |
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template <class T> inline void do_oop_work(T* p); |
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public: |
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ParScanWeakRefClosure(ParNewGeneration* g, |
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ParScanThreadState* par_scan_state); |
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virtual void do_oop(oop* p); |
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virtual void do_oop(narrowOop* p); |
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inline void do_oop_nv(oop* p); |
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inline void do_oop_nv(narrowOop* p); |
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}; |
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class ParEvacuateFollowersClosure: public VoidClosure { |
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private: |
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ParScanThreadState* _par_scan_state; |
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ParScanThreadState* par_scan_state() { return _par_scan_state; } |
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// We want to preserve the specific types here (rather than "OopClosure") |
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// for later de-virtualization of do_oop calls. |
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ParScanWithoutBarrierClosure* _to_space_closure; |
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ParScanWithoutBarrierClosure* to_space_closure() { |
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return _to_space_closure; |
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} |
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ParRootScanWithoutBarrierClosure* _to_space_root_closure; |
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ParRootScanWithoutBarrierClosure* to_space_root_closure() { |
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return _to_space_root_closure; |
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} |
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ParScanWithBarrierClosure* _old_gen_closure; |
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ParScanWithBarrierClosure* old_gen_closure () { |
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return _old_gen_closure; |
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} |
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ParRootScanWithBarrierTwoGensClosure* _old_gen_root_closure; |
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ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure () { |
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return _old_gen_root_closure; |
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} |
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ParNewGeneration* _par_gen; |
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ParNewGeneration* par_gen() { return _par_gen; } |
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ObjToScanQueueSet* _task_queues; |
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ObjToScanQueueSet* task_queues() { return _task_queues; } |
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ParallelTaskTerminator* _terminator; |
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ParallelTaskTerminator* terminator() { return _terminator; } |
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public: |
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ParEvacuateFollowersClosure( |
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ParScanThreadState* par_scan_state_, |
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ParScanWithoutBarrierClosure* to_space_closure_, |
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ParScanWithBarrierClosure* old_gen_closure_, |
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ParRootScanWithoutBarrierClosure* to_space_root_closure_, |
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ParNewGeneration* par_gen_, |
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ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure_, |
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ObjToScanQueueSet* task_queues_, |
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ParallelTaskTerminator* terminator_); |
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virtual void do_void(); |
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}; |