5c58d27aac
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com> Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
77 lines
3.0 KiB
C++
77 lines
3.0 KiB
C++
/*
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* Copyright (c) 2007, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
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#include "gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp"
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#include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
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#include "oops/oop.inline.hpp"
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// Trim our work_queue so its length is below max at return
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inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) {
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while (_work_queue->size() > max) {
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oop newOop;
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if (_work_queue->pop_local(newOop)) {
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assert(newOop->is_oop(), "Expected an oop");
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assert(_bit_map->isMarked((HeapWord*)newOop),
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"only grey objects on this stack");
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// iterate over the oops in this oop, marking and pushing
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// the ones in CMS heap (i.e. in _span).
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newOop->oop_iterate(&_par_pushAndMarkClosure);
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}
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}
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}
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// CMSOopClosure and CMSoopsInGenClosure are duplicated,
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// until we get rid of OopsInGenClosure.
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inline void CMSOopClosure::do_klass(Klass* k) { do_klass_nv(k); }
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inline void CMSOopsInGenClosure::do_klass(Klass* k) { do_klass_nv(k); }
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inline void CMSOopClosure::do_klass_nv(Klass* k) {
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ClassLoaderData* cld = k->class_loader_data();
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do_class_loader_data(cld);
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}
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inline void CMSOopsInGenClosure::do_klass_nv(Klass* k) {
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ClassLoaderData* cld = k->class_loader_data();
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do_class_loader_data(cld);
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}
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inline void CMSOopClosure::do_class_loader_data(ClassLoaderData* cld) {
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assert(_klass_closure._oop_closure == this, "Must be");
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bool claim = true; // Must claim the class loader data before processing.
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cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
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}
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inline void CMSOopsInGenClosure::do_class_loader_data(ClassLoaderData* cld) {
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assert(_klass_closure._oop_closure == this, "Must be");
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bool claim = true; // Must claim the class loader data before processing.
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cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
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}
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#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
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