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_GC_SHARED_GENERATIONSPEC_HPP 26 #define SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP 27 28 #include "gc/shared/generation.hpp" 29 #include "utilities/align.hpp" 30 31 // The specification of a generation. This class also encapsulates 32 // some generation-specific behavior. This is done here rather than as a 33 // virtual function of Generation because these methods are needed in 34 // initialization of the Generations. 35 class GenerationSpec : public CHeapObj<mtGC> { 36 friend class VMStructs; 37 private: 38 Generation::Name _name; 39 size_t _init_size; 40 size_t _max_size; 41 42 public: GenerationSpec(Generation::Name name,size_t init_size,size_t max_size,size_t alignment)43 GenerationSpec(Generation::Name name, size_t init_size, size_t max_size, size_t alignment) : 44 _name(name), 45 _init_size(align_up(init_size, alignment)), 46 _max_size(align_up(max_size, alignment)) 47 { } 48 49 Generation* init(ReservedSpace rs, CardTableRS* remset); 50 51 // Accessors name() const52 Generation::Name name() const { return _name; } init_size() const53 size_t init_size() const { return _init_size; } set_init_size(size_t size)54 void set_init_size(size_t size) { _init_size = size; } max_size() const55 size_t max_size() const { return _max_size; } set_max_size(size_t size)56 void set_max_size(size_t size) { _max_size = size; } 57 }; 58 59 typedef GenerationSpec* GenerationSpecPtr; 60 61 #endif // SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP 62