1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_WEAKHANDLE_INLINE_HPP
26 #define SHARE_VM_OOPS_WEAKHANDLE_INLINE_HPP
27
28 #include "oops/weakHandle.hpp"
29 #include "oops/access.inline.hpp"
30
31 template <WeakHandleType T>
resolve() const32 oop WeakHandle<T>::resolve() const {
33 assert(!is_null(), "Must be created");
34 return NativeAccess<ON_PHANTOM_OOP_REF>::oop_load(_obj);
35 }
36
37 template <WeakHandleType T>
peek() const38 oop WeakHandle<T>::peek() const {
39 assert(!is_null(), "Must be created");
40 return NativeAccess<ON_PHANTOM_OOP_REF | AS_NO_KEEPALIVE>::oop_load(_obj);
41 }
42
43 template <WeakHandleType T>
replace(oop with_obj)44 void WeakHandle<T>::replace(oop with_obj) {
45 NativeAccess<ON_PHANTOM_OOP_REF>::oop_store(_obj, with_obj);
46 }
47
48 #endif // SHARE_VM_OOPS_WEAKHANDLE_INLINE_HPP
49
50