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_ZVIRTUALMEMORY_HPP
25 #define SHARE_GC_Z_ZVIRTUALMEMORY_HPP
26
27 #include "gc/z/zMemory.hpp"
28 #include "memory/allocation.hpp"
29
30 class ZVirtualMemory VALUE_OBJ_CLASS_SPEC {
31 private:
32 uintptr_t _start;
33 uintptr_t _end;
34
35 public:
36 ZVirtualMemory();
37 ZVirtualMemory(uintptr_t start, size_t size);
38
39 bool is_null() const;
40 uintptr_t start() const;
41 uintptr_t end() const;
42 size_t size() const;
43 ZVirtualMemory split(size_t size);
44 void clear();
45 };
46
47 class ZVirtualMemoryManager VALUE_OBJ_CLASS_SPEC {
48 private:
49 ZMemoryManager _manager;
50 bool _initialized;
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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_ZVIRTUALMEMORY_HPP
25 #define SHARE_GC_Z_ZVIRTUALMEMORY_HPP
26
27 #include "gc/z/zMemory.hpp"
28 #include "memory/allocation.hpp"
29
30 class ZVirtualMemory VALUE_OBJ_CLASS_SPEC {
31 friend class VMStructs;
32
33 private:
34 uintptr_t _start;
35 uintptr_t _end;
36
37 public:
38 ZVirtualMemory();
39 ZVirtualMemory(uintptr_t start, size_t size);
40
41 bool is_null() const;
42 uintptr_t start() const;
43 uintptr_t end() const;
44 size_t size() const;
45 ZVirtualMemory split(size_t size);
46 void clear();
47 };
48
49 class ZVirtualMemoryManager VALUE_OBJ_CLASS_SPEC {
50 private:
51 ZMemoryManager _manager;
52 bool _initialized;
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