1 /*
2 * Copyright (c) 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_ZADDRESSRANGEMAP_HPP
25 #define SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
26
27 #include "memory/allocation.hpp"
28
29 template<typename T, size_t AddressRangeShift>
30 class ZAddressRangeMapIterator;
31
32 template <typename T, size_t AddressRangeShift>
33 class ZAddressRangeMap VALUE_OBJ_CLASS_SPEC {
34 friend class ZAddressRangeMapIterator<T, AddressRangeShift>;
35
36 private:
37 T* const _map;
38
39 size_t index_for_addr(uintptr_t addr) const;
40
41 public:
42 ZAddressRangeMap();
43 ~ZAddressRangeMap();
44
45 T* addr() const;
46 size_t size() const;
47
48 T get(uintptr_t addr) const;
49 void put(uintptr_t addr, T value);
50 };
51
52 template <typename T, size_t AddressRangeShift>
53 class ZAddressRangeMapIterator : public StackObj {
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1 /*
2 * Copyright (c) 2017, 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_ZADDRESSRANGEMAP_HPP
25 #define SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
26
27 #include "memory/allocation.hpp"
28
29 template<typename T, size_t AddressRangeShift>
30 class ZAddressRangeMapIterator;
31
32 template <typename T, size_t AddressRangeShift>
33 class ZAddressRangeMap VALUE_OBJ_CLASS_SPEC {
34 friend class VMStructs;
35 friend class ZAddressRangeMapIterator<T, AddressRangeShift>;
36
37 private:
38 T* const _map;
39
40 size_t index_for_addr(uintptr_t addr) const;
41
42 public:
43 ZAddressRangeMap();
44 ~ZAddressRangeMap();
45
46 T* addr() const;
47 size_t size() const;
48
49 T get(uintptr_t addr) const;
50 void put(uintptr_t addr, T value);
51 };
52
53 template <typename T, size_t AddressRangeShift>
54 class ZAddressRangeMapIterator : public StackObj {
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