2007-12-01 00:00:00 +00:00
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/*
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2018-02-22 10:39:42 +01:00
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* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
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2007-12-01 00:00:00 +00:00
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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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2010-05-27 19:08:38 -07:00
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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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2007-12-01 00:00:00 +00:00
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*
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*/
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2010-11-23 13:22:55 -08:00
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#include "precompiled.hpp"
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2017-11-20 13:07:44 +01:00
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#include "oops/access.inline.hpp"
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2010-11-23 13:22:55 -08:00
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#include "oops/objArrayKlass.hpp"
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2018-02-22 10:39:42 +01:00
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#include "oops/objArrayOop.inline.hpp"
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2010-11-23 13:22:55 -08:00
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#include "oops/oop.inline.hpp"
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2007-12-01 00:00:00 +00:00
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2014-06-19 11:16:10 -04:00
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oop objArrayOopDesc::atomic_compare_exchange_oop(int index, oop exchange_value,
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oop compare_value) {
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2018-04-12 23:10:19 +02:00
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ptrdiff_t offs;
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2014-06-19 11:16:10 -04:00
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if (UseCompressedOops) {
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2018-04-12 23:10:19 +02:00
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offs = objArrayOopDesc::obj_at_offset<narrowOop>(index);
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2014-06-19 11:16:10 -04:00
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} else {
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2018-04-12 23:10:19 +02:00
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offs = objArrayOopDesc::obj_at_offset<oop>(index);
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2014-06-19 11:16:10 -04:00
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}
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2018-06-22 17:46:58 -04:00
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return HeapAccess<IS_ARRAY>::oop_atomic_cmpxchg_at(exchange_value, as_oop(), offs, compare_value);
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2017-11-20 13:07:44 +01:00
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}
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Klass* objArrayOopDesc::element_klass() {
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return ObjArrayKlass::cast(klass())->element_klass();
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2014-06-19 11:16:10 -04:00
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}
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