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comparison src/share/vm/gc_implementation/concurrentMarkSweep/promotionInfo.cpp @ 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 63a4eb8bcd23 78bbf4d43a14
comparison
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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.
116 116
117 void PromotionInfo::track(PromotedObject* trackOop) { 117 void PromotionInfo::track(PromotedObject* trackOop) {
118 track(trackOop, oop(trackOop)->klass()); 118 track(trackOop, oop(trackOop)->klass());
119 } 119 }
120 120
121 void PromotionInfo::track(PromotedObject* trackOop, klassOop klassOfOop) { 121 void PromotionInfo::track(PromotedObject* trackOop, Klass* klassOfOop) {
122 // make a copy of header as it may need to be spooled 122 // make a copy of header as it may need to be spooled
123 markOop mark = oop(trackOop)->mark(); 123 markOop mark = oop(trackOop)->mark();
124 trackOop->clear_next(); 124 trackOop->clear_next();
125 if (mark->must_be_preserved_for_cms_scavenge(klassOfOop)) { 125 if (mark->must_be_preserved_for_cms_scavenge(klassOfOop)) {
126 // save non-prototypical header, and mark oop 126 // save non-prototypical header, and mark oop