1 /*
2 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
24 #define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
25
26 #include "memory/iterator.hpp"
27
28 class ShenandoahHeap;
29 class ShenandoahMarkingContext;
30 class ShenandoahHeapRegionSet;
31 class Thread;
32
33 class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure {
34 private:
35 ShenandoahMarkingContext* const _mark_context;
36 public:
37 inline ShenandoahForwardedIsAliveClosure();
38 inline bool do_object_b(oop obj);
39 };
40
41 class ShenandoahIsAliveClosure: public BoolObjectClosure {
42 private:
43 ShenandoahMarkingContext* const _mark_context;
44 public:
45 inline ShenandoahIsAliveClosure();
46 inline bool do_object_b(oop obj);
47 };
48
49 class ShenandoahIsAliveSelector : public StackObj {
50 private:
51 ShenandoahIsAliveClosure _alive_cl;
52 ShenandoahForwardedIsAliveClosure _fwd_alive_cl;
53 public:
54 inline BoolObjectClosure* is_alive_closure();
55 };
56
57 class ShenandoahUpdateRefsClosure: public OopClosure {
58 private:
59 ShenandoahHeap* _heap;
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1 /*
2 * Copyright (c) 2019, 2020, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
24 #define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
25
26 #include "memory/iterator.hpp"
27
28 class ShenandoahHeap;
29 class ShenandoahMarkingContext;
30 class ShenandoahHeapRegionSet;
31 class Thread;
32
33 class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure {
34 private:
35 ShenandoahHeap* const _heap;
36 ShenandoahMarkingContext* const _mark_context;
37 public:
38 inline ShenandoahForwardedIsAliveClosure();
39 inline bool do_object_b(oop obj);
40 };
41
42 class ShenandoahForwardedIsAliveNoCSetCheckClosure: public BoolObjectClosure {
43 private:
44 ShenandoahMarkingContext* const _mark_context;
45 public:
46 inline ShenandoahForwardedIsAliveNoCSetCheckClosure();
47 inline bool do_object_b(oop obj);
48 };
49
50
51 class ShenandoahIsAliveClosure: public BoolObjectClosure {
52 private:
53 ShenandoahMarkingContext* const _mark_context;
54 public:
55 inline ShenandoahIsAliveClosure();
56 inline bool do_object_b(oop obj);
57 };
58
59 class ShenandoahIsAliveSelector : public StackObj {
60 private:
61 ShenandoahIsAliveClosure _alive_cl;
62 ShenandoahForwardedIsAliveClosure _fwd_alive_cl;
63 public:
64 inline BoolObjectClosure* is_alive_closure();
65 };
66
67 class ShenandoahUpdateRefsClosure: public OopClosure {
68 private:
69 ShenandoahHeap* _heap;
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