Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/parNew/parOopClosures.hpp @ 542:9a25e0c45327
6792421: assert(_bitMap->isMarked(addr+size-1),inconsistent Printezis mark)
Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, tonyp
author | jmasa |
---|---|
date | Sat, 31 Jan 2009 00:15:00 -0800 |
parents | ba764ed4b6f2 |
children | c18cbe5936b8 |
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/* * Copyright (c) 2007 Sun Microsystems, Inc. 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 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // Closures for ParNewGeneration class ParScanThreadState; class ParNewGeneration; typedef OopTaskQueueSet ObjToScanQueueSet; class ParallelTaskTerminator; class ParScanClosure: public OopsInGenClosure { protected: ParScanThreadState* _par_scan_state; ParNewGeneration* _g; HeapWord* _boundary; template <class T> void inline par_do_barrier(T* p); template <class T> void inline do_oop_work(T* p, bool gc_barrier, bool root_scan); public: ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state); }; class ParScanWithBarrierClosure: public ParScanClosure { public: ParScanWithBarrierClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state) : ParScanClosure(g, par_scan_state) {} virtual void do_oop(oop* p); virtual void do_oop(narrowOop* p); inline void do_oop_nv(oop* p); inline void do_oop_nv(narrowOop* p); }; class ParScanWithoutBarrierClosure: public ParScanClosure { public: ParScanWithoutBarrierClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state) : ParScanClosure(g, par_scan_state) {} virtual void do_oop(oop* p); virtual void do_oop(narrowOop* p); inline void do_oop_nv(oop* p); inline void do_oop_nv(narrowOop* p); }; class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure { public: ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state) : ParScanClosure(g, par_scan_state) {} virtual void do_oop(oop* p); virtual void do_oop(narrowOop* p); }; class ParRootScanWithoutBarrierClosure: public ParScanClosure { public: ParRootScanWithoutBarrierClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state) : ParScanClosure(g, par_scan_state) {} virtual void do_oop(oop* p); virtual void do_oop(narrowOop* p); }; class ParScanWeakRefClosure: public ScanWeakRefClosure { protected: ParScanThreadState* _par_scan_state; template <class T> inline void do_oop_work(T* p); public: ParScanWeakRefClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state); virtual void do_oop(oop* p); virtual void do_oop(narrowOop* p); inline void do_oop_nv(oop* p); inline void do_oop_nv(narrowOop* p); }; class ParEvacuateFollowersClosure: public VoidClosure { private: ParScanThreadState* _par_scan_state; ParScanThreadState* par_scan_state() { return _par_scan_state; } // We want to preserve the specific types here (rather than "OopClosure") // for later de-virtualization of do_oop calls. ParScanWithoutBarrierClosure* _to_space_closure; ParScanWithoutBarrierClosure* to_space_closure() { return _to_space_closure; } ParRootScanWithoutBarrierClosure* _to_space_root_closure; ParRootScanWithoutBarrierClosure* to_space_root_closure() { return _to_space_root_closure; } ParScanWithBarrierClosure* _old_gen_closure; ParScanWithBarrierClosure* old_gen_closure () { return _old_gen_closure; } ParRootScanWithBarrierTwoGensClosure* _old_gen_root_closure; ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure () { return _old_gen_root_closure; } ParNewGeneration* _par_gen; ParNewGeneration* par_gen() { return _par_gen; } ObjToScanQueueSet* _task_queues; ObjToScanQueueSet* task_queues() { return _task_queues; } ParallelTaskTerminator* _terminator; ParallelTaskTerminator* terminator() { return _terminator; } public: ParEvacuateFollowersClosure( ParScanThreadState* par_scan_state_, ParScanWithoutBarrierClosure* to_space_closure_, ParScanWithBarrierClosure* old_gen_closure_, ParRootScanWithoutBarrierClosure* to_space_root_closure_, ParNewGeneration* par_gen_, ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure_, ObjToScanQueueSet* task_queues_, ParallelTaskTerminator* terminator_); virtual void do_void(); };