1 /*
 2  * Copyright (c) 2024, 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
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24 
25 #ifndef SHARE_RUNTIME_BASICLOCK_INLINE_HPP
26 #define SHARE_RUNTIME_BASICLOCK_INLINE_HPP
27 
28 #include "runtime/basicLock.hpp"
29 
30 inline markWord BasicLock::displaced_header() const {
31   assert(LockingMode == LM_LEGACY, "must be");
32   return markWord(get_metadata());
33 }
34 
35 inline void BasicLock::set_displaced_header(markWord header) {
36   assert(LockingMode == LM_LEGACY, "must be");
37   Atomic::store(&_metadata, header.value());
38 }
39 
40 inline ObjectMonitor* BasicLock::object_monitor_cache() const {
41   assert(LockingMode == LM_LIGHTWEIGHT, "must be");
42   return reinterpret_cast<ObjectMonitor*>(get_metadata());
43 }
44 
45 inline void BasicLock::clear_object_monitor_cache() {
46   assert(LockingMode == LM_LIGHTWEIGHT, "must be");
47   set_metadata(0);
48 }
49 
50 inline void BasicLock::set_object_monitor_cache(ObjectMonitor* mon) {
51   assert(LockingMode == LM_LIGHTWEIGHT, "must be");
52   set_metadata(reinterpret_cast<uintptr_t>(mon));
53 }
54 
55 #endif // SHARE_RUNTIME_BASICLOCK_INLINE_HPP