duke@435: /*
mikael@6198:  * 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: #include "precompiled.hpp"
coleenp@4037: #include "memory/binaryTreeDictionary.hpp"
stefank@2314: #include "memory/defNewGeneration.hpp"
stefank@2314: #include "memory/filemap.hpp"
stefank@2314: #include "memory/genRemSet.hpp"
stefank@2314: #include "memory/generationSpec.hpp"
stefank@2314: #include "memory/tenuredGeneration.hpp"
stefank@2314: #include "runtime/java.hpp"
jprovino@4542: #include "utilities/macros.hpp"
jprovino@4542: #if INCLUDE_ALL_GCS
stefank@2314: #include "gc_implementation/parNew/asParNewGeneration.hpp"
coleenp@4037: #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
stefank@2314: #include "gc_implementation/parNew/parNewGeneration.hpp"
jprovino@4542: #endif // INCLUDE_ALL_GCS
duke@435: 
duke@435: Generation* GenerationSpec::init(ReservedSpace rs, int level,
duke@435:                                  GenRemSet* remset) {
duke@435:   switch (name()) {
duke@435:     case Generation::DefNew:
duke@435:       return new DefNewGeneration(rs, init_size(), level);
duke@435: 
duke@435:     case Generation::MarkSweepCompact:
duke@435:       return new TenuredGeneration(rs, init_size(), level, remset);
duke@435: 
jprovino@4542: #if INCLUDE_ALL_GCS
duke@435:     case Generation::ParNew:
duke@435:       return new ParNewGeneration(rs, init_size(), level);
duke@435: 
duke@435:     case Generation::ASParNew:
duke@435:       return new ASParNewGeneration(rs,
duke@435:                                     init_size(),
duke@435:                                     init_size() /* min size */,
duke@435:                                     level);
duke@435: 
duke@435:     case Generation::ConcurrentMarkSweep: {
duke@435:       assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
duke@435:       CardTableRS* ctrs = remset->as_CardTableRS();
duke@435:       if (ctrs == NULL) {
duke@435:         vm_exit_during_initialization("Rem set incompatibility.");
duke@435:       }
duke@435:       // Otherwise
duke@435:       // The constructor creates the CMSCollector if needed,
duke@435:       // else registers with an existing CMSCollector
duke@435: 
duke@435:       ConcurrentMarkSweepGeneration* g = NULL;
duke@435:       g = new ConcurrentMarkSweepGeneration(rs,
duke@435:                  init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
jmasa@3730:                  (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
duke@435: 
duke@435:       g->initialize_performance_counters();
duke@435: 
duke@435:       return g;
duke@435:     }
duke@435: 
duke@435:     case Generation::ASConcurrentMarkSweep: {
duke@435:       assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
duke@435:       CardTableRS* ctrs = remset->as_CardTableRS();
duke@435:       if (ctrs == NULL) {
duke@435:         vm_exit_during_initialization("Rem set incompatibility.");
duke@435:       }
duke@435:       // Otherwise
duke@435:       // The constructor creates the CMSCollector if needed,
duke@435:       // else registers with an existing CMSCollector
duke@435: 
duke@435:       ASConcurrentMarkSweepGeneration* g = NULL;
duke@435:       g = new ASConcurrentMarkSweepGeneration(rs,
duke@435:                  init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
jmasa@3730:                  (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
duke@435: 
duke@435:       g->initialize_performance_counters();
duke@435: 
duke@435:       return g;
duke@435:     }
jprovino@4542: #endif // INCLUDE_ALL_GCS
duke@435: 
duke@435:     default:
duke@435:       guarantee(false, "unrecognized GenerationName");
duke@435:       return NULL;
duke@435:   }
duke@435: }