| /* |
| * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "oops/access.inline.hpp" |
| #include "oops/objArrayKlass.hpp" |
| #include "oops/objArrayOop.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| |
| oop objArrayOopDesc::atomic_compare_exchange_oop(int index, oop exchange_value, |
| oop compare_value) { |
| ptrdiff_t offs; |
| if (UseCompressedOops) { |
| offs = objArrayOopDesc::obj_at_offset<narrowOop>(index); |
| } else { |
| offs = objArrayOopDesc::obj_at_offset<oop>(index); |
| } |
| return HeapAccess<IS_ARRAY>::oop_atomic_cmpxchg_at(exchange_value, as_oop(), offs, compare_value); |
| } |
| |
| Klass* objArrayOopDesc::element_klass() { |
| return ObjArrayKlass::cast(klass())->element_klass(); |
| } |
