duke@435: /*
stefank@5706:  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP
stefank@2314: 
stefank@2314: #include "memory/collectorPolicy.hpp"
stefank@2314: 
duke@435: // There is a nice batch of tested generation sizing code in
duke@435: // TwoGenerationCollectorPolicy. Lets reuse it!
duke@435: 
duke@435: class GenerationSizer : public TwoGenerationCollectorPolicy {
jwilhelm@6085:  private:
duke@435: 
jwilhelm@6085:   void trace_gen_sizes(const char* const str);
duke@435: 
jwilhelm@6085:   // The alignment used for boundary between young gen and old gen
jwilhelm@6085:   static size_t default_gen_alignment() { return 64 * K * HeapWordSize; }
duke@435: 
jwilhelm@6085:  protected:
duke@435: 
jwilhelm@6085:   void initialize_alignments();
jwilhelm@6085:   void initialize_flags();
jwilhelm@6085:   void initialize_size_info();
duke@435: };
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP