65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/*
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* Copyright (c) 2014, 2015, 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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#include "precompiled.hpp"
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#include "gc/g1/g1CollectedHeap.inline.hpp"
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#include "gc/g1/g1OopClosures.inline.hpp"
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#include "gc/g1/g1ParScanThreadState.hpp"
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#include "gc/g1/g1_specialized_oop_closures.hpp"
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#include "memory/iterator.inline.hpp"
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#include "utilities/stack.inline.hpp"
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G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :
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_g1(g1),
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_par_scan_state(par_scan_state),
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_worker_id(par_scan_state->worker_id()),
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_scanned_klass(NULL),
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_cm(_g1->concurrent_mark())
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{ }
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G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :
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_g1(g1), _par_scan_state(par_scan_state)
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{ }
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void G1KlassScanClosure::do_klass(Klass* klass) {
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// If the klass has not been dirtied we know that there's
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// no references into the young gen and we can skip it.
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if (!_process_only_dirty || klass->has_modified_oops()) {
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// Clean the klass since we're going to scavenge all the metadata.
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klass->clear_modified_oops();
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// Tell the closure that this klass is the Klass to scavenge
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// and is the one to dirty if oops are left pointing into the young gen.
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_closure->set_scanned_klass(klass);
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klass->oops_do(_closure);
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_closure->set_scanned_klass(NULL);
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}
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_count++;
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}
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// Generate G1 specialized oop_oop_iterate functions.
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SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(ALL_KLASS_OOP_OOP_ITERATE_DEFN)
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