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.
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23 */
24
25#ifndef SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
26#define SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
27
28#include "gc/shared/generation.hpp"
29
30// The specification of a generation.  This class also encapsulates
31// some generation-specific behavior.  This is done here rather than as a
32// virtual function of Generation because these methods are needed in
33// initialization of the Generations.
34class GenerationSpec : public CHeapObj<mtGC> {
35  friend class VMStructs;
36private:
37  Generation::Name _name;
38  size_t           _init_size;
39  size_t           _max_size;
40
41public:
42  GenerationSpec(Generation::Name name, size_t init_size, size_t max_size, size_t alignment) :
43    _name(name),
44    _init_size(align_size_up(init_size, alignment)),
45    _max_size(align_size_up(max_size, alignment))
46  { }
47
48  Generation* init(ReservedSpace rs, CardTableRS* remset);
49
50  // Accessors
51  Generation::Name name()        const { return _name; }
52  size_t init_size()             const { return _init_size; }
53  void set_init_size(size_t size)      { _init_size = size; }
54  size_t max_size()              const { return _max_size; }
55  void set_max_size(size_t size)       { _max_size = size; }
56};
57
58typedef GenerationSpec* GenerationSpecPtr;
59
60#endif // SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
61