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 #ifndef SHARE_VM_MEMORY_GENERATIONSPEC_HPP 26 #define SHARE_VM_MEMORY_GENERATIONSPEC_HPP 27 28 #include "memory/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. 34 class GenerationSpec : public CHeapObj<mtGC> { 35 friend class VMStructs; 36 private: 37 Generation::Name _name; 38 size_t _init_size; 39 size_t _max_size; 40 41 public: 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, GenRemSet* 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 58 typedef GenerationSpec* GenerationSpecPtr; 59 60 #endif // SHARE_VM_MEMORY_GENERATIONSPEC_HPP