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comparison src/share/vm/gc_implementation/concurrentMarkSweep/promotionInfo.hpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents f69a5d43dc19
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
168 void stopTrackingPromotions(uint worker_id = 0); 168 void stopTrackingPromotions(uint worker_id = 0);
169 bool tracking() const { return _tracking; } 169 bool tracking() const { return _tracking; }
170 void track(PromotedObject* trackOop); // keep track of a promoted oop 170 void track(PromotedObject* trackOop); // keep track of a promoted oop
171 // The following variant must be used when trackOop is not fully 171 // The following variant must be used when trackOop is not fully
172 // initialized and has a NULL klass: 172 // initialized and has a NULL klass:
173 void track(PromotedObject* trackOop, klassOop klassOfOop); // keep track of a promoted oop 173 void track(PromotedObject* trackOop, Klass* klassOfOop); // keep track of a promoted oop
174 void setSpace(CompactibleFreeListSpace* sp) { _space = sp; } 174 void setSpace(CompactibleFreeListSpace* sp) { _space = sp; }
175 CompactibleFreeListSpace* space() const { return _space; } 175 CompactibleFreeListSpace* space() const { return _space; }
176 markOop nextDisplacedHeader(); // get next header & forward spool pointer 176 markOop nextDisplacedHeader(); // get next header & forward spool pointer
177 void saveDisplacedHeader(markOop hdr); 177 void saveDisplacedHeader(markOop hdr);
178 // save header and forward spool 178 // save header and forward spool