1 /*
2 * Copyright (c) 2016, 2017, 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 #include "precompiled.hpp"
26 #include "gc/shared/preservedMarks.inline.hpp"
27 #include "gc/shared/workgroup.hpp"
28 #include "memory/allocation.inline.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "utilities/macros.hpp"
31
32 void PreservedMarks::restore() {
33 while (!_stack.is_empty()) {
34 const OopAndMarkOop elem = _stack.pop();
35 elem.set_mark();
36 }
37 assert_empty();
38 }
39
40 void PreservedMarks::adjust_during_full_gc() {
41 StackIterator<OopAndMarkOop, mtGC> iter(_stack);
42 while (!iter.is_empty()) {
43 OopAndMarkOop* elem = iter.next_addr();
44
45 oop obj = elem->get_oop();
46 if (obj->is_forwarded()) {
47 elem->set_oop(obj->forwardee());
48 }
49 }
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1 /*
2 * Copyright (c) 2016, 2018, 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 #include "precompiled.hpp"
26 #include "gc/shared/preservedMarks.inline.hpp"
27 #include "gc/shared/workgroup.hpp"
28 #include "memory/allocation.inline.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "utilities/macros.hpp"
32
33 void PreservedMarks::restore() {
34 while (!_stack.is_empty()) {
35 const OopAndMarkOop elem = _stack.pop();
36 elem.set_mark();
37 }
38 assert_empty();
39 }
40
41 void PreservedMarks::adjust_during_full_gc() {
42 StackIterator<OopAndMarkOop, mtGC> iter(_stack);
43 while (!iter.is_empty()) {
44 OopAndMarkOop* elem = iter.next_addr();
45
46 oop obj = elem->get_oop();
47 if (obj->is_forwarded()) {
48 elem->set_oop(obj->forwardee());
49 }
50 }
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