1/*
2 * Copyright (c) 2015, 2019, 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#ifndef SHARE_GC_Z_ZOOPCLOSURES_HPP
25#define SHARE_GC_Z_ZOOPCLOSURES_HPP
26
27#include "memory/iterator.hpp"
28#include "gc/z/zRootsIterator.hpp"
29
30class ZLoadBarrierOopClosure : public BasicOopIterateClosure {
31public:
32 virtual void do_oop(oop* p);
33 virtual void do_oop(narrowOop* p);
34
35#ifdef ASSERT
36 virtual bool should_verify_oops() {
37 return false;
38 }
39#endif
40};
41
42class ZNMethodOopClosure : public OopClosure {
43public:
44 virtual void do_oop(oop* p);
45 virtual void do_oop(narrowOop* p);
46};
47
48template <bool finalizable>
49class ZMarkBarrierOopClosure : public ClaimMetadataVisitingOopIterateClosure {
50public:
51 ZMarkBarrierOopClosure();
52
53 virtual void do_oop(oop* p);
54 virtual void do_oop(narrowOop* p);
55
56#ifdef ASSERT
57 virtual bool should_verify_oops() {
58 return false;
59 }
60#endif
61};
62
63class ZPhantomIsAliveObjectClosure : public BoolObjectClosure {
64public:
65 virtual bool do_object_b(oop o);
66};
67
68class ZPhantomKeepAliveOopClosure : public ZRootsIteratorClosure {
69public:
70 virtual void do_oop(oop* p);
71 virtual void do_oop(narrowOop* p);
72};
73
74class ZPhantomCleanOopClosure : public ZRootsIteratorClosure {
75public:
76 virtual void do_oop(oop* p);
77 virtual void do_oop(narrowOop* p);
78};
79
80#endif // SHARE_GC_Z_ZOOPCLOSURES_HPP
81