1 /*
2 * Copyright (c) 2017, 2022, 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_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
26 #define SHARE_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
27
28 #include "gc/g1/g1FullGCOopClosures.hpp"
29
30 #include "gc/g1/g1Allocator.inline.hpp"
31 #include "gc/g1/g1FullCollector.inline.hpp"
32 #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp"
33 #include "gc/g1/g1FullGCMarker.inline.hpp"
34 #include "gc/g1/heapRegionRemSet.inline.hpp"
35 #include "memory/iterator.inline.hpp"
36 #include "memory/universe.hpp"
37 #include "oops/access.inline.hpp"
38 #include "oops/compressedOops.inline.hpp"
39 #include "oops/oop.inline.hpp"
40
41 template <typename T>
42 inline void G1MarkAndPushClosure::do_oop_work(T* p) {
43 _marker->mark_and_push(p);
44 }
45
46 inline void G1MarkAndPushClosure::do_oop(oop* p) {
47 do_oop_work(p);
48 }
49
50 inline void G1MarkAndPushClosure::do_oop(narrowOop* p) {
51 do_oop_work(p);
52 }
53
54 template <class T> inline void G1AdjustClosure::adjust_pointer(T* p) {
55 T heap_oop = RawAccess<>::oop_load(p);
56 if (CompressedOops::is_null(heap_oop)) {
57 return;
58 }
59
60 oop obj = CompressedOops::decode_not_null(heap_oop);
61 assert(Universe::heap()->is_in(obj), "should be in heap");
62 if (!_collector->is_compacting(obj)) {
63 // We never forward objects in non-compacting regions so there is no need to
64 // process them further.
65 return;
66 }
67
68 if (obj->is_forwarded()) {
69 oop forwardee = obj->forwardee();
70 // Forwarded, just update.
71 assert(G1CollectedHeap::heap()->is_in_reserved(forwardee), "should be in object space");
72 RawAccess<IS_NOT_NULL>::oop_store(p, forwardee);
73 }
74
75 }
76
77 inline void G1AdjustClosure::do_oop(oop* p) { do_oop_work(p); }
78 inline void G1AdjustClosure::do_oop(narrowOop* p) { do_oop_work(p); }
79
80 inline bool G1IsAliveClosure::do_object_b(oop p) {
81 return _bitmap->is_marked(p);
82 }
83
84 template<typename T>
85 inline void G1FullKeepAliveClosure::do_oop_work(T* p) {
86 _marker->mark_and_push(p);
87 }
88
89 #endif // SHARE_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
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1 /*
2 * Copyright (c) 2017, 2023, 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_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
26 #define SHARE_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
27
28 #include "gc/g1/g1FullGCOopClosures.hpp"
29
30 #include "gc/g1/g1Allocator.inline.hpp"
31 #include "gc/g1/g1FullCollector.inline.hpp"
32 #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp"
33 #include "gc/g1/g1FullGCMarker.inline.hpp"
34 #include "gc/g1/heapRegionRemSet.inline.hpp"
35 #include "gc/shared/slidingForwarding.inline.hpp"
36 #include "memory/iterator.inline.hpp"
37 #include "memory/universe.hpp"
38 #include "oops/access.inline.hpp"
39 #include "oops/compressedOops.inline.hpp"
40 #include "oops/oop.inline.hpp"
41
42 template <typename T>
43 inline void G1MarkAndPushClosure::do_oop_work(T* p) {
44 _marker->mark_and_push(p);
45 }
46
47 inline void G1MarkAndPushClosure::do_oop(oop* p) {
48 do_oop_work(p);
49 }
50
51 inline void G1MarkAndPushClosure::do_oop(narrowOop* p) {
52 do_oop_work(p);
53 }
54
55 template <bool ALT_FWD>
56 template <class T> inline void G1AdjustClosure<ALT_FWD>::adjust_pointer(T* p) {
57 T heap_oop = RawAccess<>::oop_load(p);
58 if (CompressedOops::is_null(heap_oop)) {
59 return;
60 }
61
62 oop obj = CompressedOops::decode_not_null(heap_oop);
63 assert(Universe::heap()->is_in(obj), "should be in heap");
64 if (!_collector->is_compacting(obj)) {
65 // We never forward objects in non-compacting regions so there is no need to
66 // process them further.
67 return;
68 }
69
70 if (SlidingForwarding::is_forwarded(obj)) {
71 oop forwardee = SlidingForwarding::forwardee<ALT_FWD>(obj);
72 // Forwarded, just update.
73 assert(G1CollectedHeap::heap()->is_in_reserved(forwardee), "should be in object space");
74 RawAccess<IS_NOT_NULL>::oop_store(p, forwardee);
75 }
76
77 }
78
79 template <bool ALT_FWD>
80 inline void G1AdjustClosure<ALT_FWD>::do_oop(oop* p) { do_oop_work(p); }
81 template <bool ALT_FWD>
82 inline void G1AdjustClosure<ALT_FWD>::do_oop(narrowOop* p) { do_oop_work(p); }
83
84 inline bool G1IsAliveClosure::do_object_b(oop p) {
85 return _bitmap->is_marked(p);
86 }
87
88 template<typename T>
89 inline void G1FullKeepAliveClosure::do_oop_work(T* p) {
90 _marker->mark_and_push(p);
91 }
92
93 #endif // SHARE_GC_G1_G1FULLGCOOPCLOSURES_INLINE_HPP
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