1 /*
 2  * Copyright (c) 2015, 2021, Red Hat, Inc. All rights reserved.
 3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
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25 
26 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHOOPCLOSURES_INLINE_HPP
27 #define SHARE_GC_SHENANDOAH_SHENANDOAHOOPCLOSURES_INLINE_HPP
28 
29 #include "gc/shenandoah/shenandoahOopClosures.hpp"
30 
31 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
32 #include "gc/shenandoah/shenandoahMark.inline.hpp"
33 
34 template<class T, ShenandoahGenerationType GENERATION>
35 inline void ShenandoahMarkRefsSuperClosure::work(T* p) {
36   ShenandoahMark::mark_through_ref<T, GENERATION>(p, _queue, _old_queue, _mark_context, _weak);
37 }
38 
39 template<class T, ShenandoahGenerationType GENERATION>
40 inline void ShenandoahMarkUpdateRefsSuperClosure::work(T* p) {
41   // Update the location
42   _heap->update_with_forwarded(p);
43 
44   // ...then do the usual thing
45   ShenandoahMarkRefsSuperClosure::work<T, GENERATION>(p);
46 }
47 
48 template<class T>
49 inline void ShenandoahSTWUpdateRefsClosure::work(T* p) {
50   _heap->update_with_forwarded(p);
51 }
52 
53 template<class T>
54 inline void ShenandoahConcUpdateRefsClosure::work(T* p) {
55   _heap->conc_update_with_forwarded(p);
56 }
57 
58 template<class T>
59 inline void ShenandoahSetRememberedCardsToDirtyClosure::work(T* p) {
60   T o = RawAccess<>::oop_load(p);
61   if (!CompressedOops::is_null(o)) {
62     oop obj = CompressedOops::decode_not_null(o);
63     if (_heap->is_in_young(obj)) {
64       // Found interesting pointer.  Mark the containing card as dirty.
65       _scanner->mark_card_as_dirty((HeapWord*) p);
66     }
67   }
68 }
69 
70 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHOOPCLOSURES_INLINE_HPP