1 /*
2 * Copyright (c) 2015, 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 #ifndef SHARE_GC_Z_ZFORWARDING_HPP
25 #define SHARE_GC_Z_ZFORWARDING_HPP
26
27 #include "gc/z/zForwardingTableEntry.hpp"
28 #include "memory/allocation.hpp"
29
30 typedef size_t ZForwardingTableCursor;
31
32 class ZForwardingTable VALUE_OBJ_CLASS_SPEC {
33 friend class ZForwardingTableTest;
34
35 private:
36 ZForwardingTableEntry* _table;
37 size_t _size;
38
39 ZForwardingTableEntry at(ZForwardingTableCursor* cursor) const;
40 ZForwardingTableEntry first(uintptr_t from_index, ZForwardingTableCursor* cursor) const;
41 ZForwardingTableEntry next(ZForwardingTableCursor* cursor) const;
42
43 public:
44 ZForwardingTable();
45 ~ZForwardingTable();
46
47 bool is_null() const;
48 void setup(size_t live_objects);
49 void reset();
50
51 ZForwardingTableEntry find(uintptr_t from_index) const;
52 ZForwardingTableEntry find(uintptr_t from_index, ZForwardingTableCursor* cursor) const;
|
1 /*
2 * Copyright (c) 2015, 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 #ifndef SHARE_GC_Z_ZFORWARDING_HPP
25 #define SHARE_GC_Z_ZFORWARDING_HPP
26
27 #include "gc/z/zForwardingTableEntry.hpp"
28 #include "memory/allocation.hpp"
29
30 typedef size_t ZForwardingTableCursor;
31
32 class ZForwardingTable VALUE_OBJ_CLASS_SPEC {
33 friend class VMStructs;
34 friend class ZForwardingTableTest;
35
36 private:
37 ZForwardingTableEntry* _table;
38 size_t _size;
39
40 ZForwardingTableEntry at(ZForwardingTableCursor* cursor) const;
41 ZForwardingTableEntry first(uintptr_t from_index, ZForwardingTableCursor* cursor) const;
42 ZForwardingTableEntry next(ZForwardingTableCursor* cursor) const;
43
44 public:
45 ZForwardingTable();
46 ~ZForwardingTable();
47
48 bool is_null() const;
49 void setup(size_t live_objects);
50 void reset();
51
52 ZForwardingTableEntry find(uintptr_t from_index) const;
53 ZForwardingTableEntry find(uintptr_t from_index, ZForwardingTableCursor* cursor) const;
|