1 /*
2 * Copyright (c) 2001, 2014, 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 "utilities/macros.hpp"
27 #if INCLUDE_ALL_GCS
28 #include "gc_implementation/shared/immutableSpace.hpp"
29 #include "memory/universe.hpp"
30 #include "oops/oop.inline.hpp"
31 #endif // INCLUDE_ALL_GCS
32
33 void ImmutableSpace::initialize(MemRegion mr) {
34 HeapWord* bottom = mr.start();
35 HeapWord* end = mr.end();
36
37 assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end),
38 "invalid space boundaries");
39
40 _bottom = bottom;
41 _end = end;
42 }
43
44 void ImmutableSpace::oop_iterate(ExtendedOopClosure* cl) {
45 HeapWord* obj_addr = bottom();
46 HeapWord* t = end();
47 // Could call objects iterate, but this is easier.
48 while (obj_addr < t) {
49 obj_addr += oop(obj_addr)->oop_iterate(cl);
50 }
51 }
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1 /*
2 * Copyright (c) 2001, 2015, 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/parallel/immutableSpace.hpp"
27 #include "memory/universe.hpp"
28 #include "oops/oop.inline.hpp"
29 #include "utilities/macros.hpp"
30
31 void ImmutableSpace::initialize(MemRegion mr) {
32 HeapWord* bottom = mr.start();
33 HeapWord* end = mr.end();
34
35 assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end),
36 "invalid space boundaries");
37
38 _bottom = bottom;
39 _end = end;
40 }
41
42 void ImmutableSpace::oop_iterate(ExtendedOopClosure* cl) {
43 HeapWord* obj_addr = bottom();
44 HeapWord* t = end();
45 // Could call objects iterate, but this is easier.
46 while (obj_addr < t) {
47 obj_addr += oop(obj_addr)->oop_iterate(cl);
48 }
49 }
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