aoqi@0: /*
aoqi@0:  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "memory/binaryTreeDictionary.hpp"
aoqi@0: #include "memory/defNewGeneration.hpp"
aoqi@0: #include "memory/filemap.hpp"
aoqi@0: #include "memory/genRemSet.hpp"
aoqi@0: #include "memory/generationSpec.hpp"
aoqi@0: #include "memory/tenuredGeneration.hpp"
aoqi@0: #include "runtime/java.hpp"
aoqi@0: #include "utilities/macros.hpp"
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: #include "gc_implementation/parNew/asParNewGeneration.hpp"
aoqi@0: #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
aoqi@0: #include "gc_implementation/parNew/parNewGeneration.hpp"
aoqi@0: #endif // INCLUDE_ALL_GCS
aoqi@0: 
aoqi@0: Generation* GenerationSpec::init(ReservedSpace rs, int level,
aoqi@0:                                  GenRemSet* remset) {
aoqi@0:   switch (name()) {
aoqi@0:     case Generation::DefNew:
aoqi@0:       return new DefNewGeneration(rs, init_size(), level);
aoqi@0: 
aoqi@0:     case Generation::MarkSweepCompact:
aoqi@0:       return new TenuredGeneration(rs, init_size(), level, remset);
aoqi@0: 
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0:     case Generation::ParNew:
aoqi@0:       return new ParNewGeneration(rs, init_size(), level);
aoqi@0: 
aoqi@0:     case Generation::ASParNew:
aoqi@0:       return new ASParNewGeneration(rs,
aoqi@0:                                     init_size(),
aoqi@0:                                     init_size() /* min size */,
aoqi@0:                                     level);
aoqi@0: 
aoqi@0:     case Generation::ConcurrentMarkSweep: {
aoqi@0:       assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
aoqi@0:       CardTableRS* ctrs = remset->as_CardTableRS();
aoqi@0:       if (ctrs == NULL) {
aoqi@0:         vm_exit_during_initialization("Rem set incompatibility.");
aoqi@0:       }
aoqi@0:       // Otherwise
aoqi@0:       // The constructor creates the CMSCollector if needed,
aoqi@0:       // else registers with an existing CMSCollector
aoqi@0: 
aoqi@0:       ConcurrentMarkSweepGeneration* g = NULL;
aoqi@0:       g = new ConcurrentMarkSweepGeneration(rs,
aoqi@0:                  init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
aoqi@0:                  (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
aoqi@0: 
aoqi@0:       g->initialize_performance_counters();
aoqi@0: 
aoqi@0:       return g;
aoqi@0:     }
aoqi@0: 
aoqi@0:     case Generation::ASConcurrentMarkSweep: {
aoqi@0:       assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
aoqi@0:       CardTableRS* ctrs = remset->as_CardTableRS();
aoqi@0:       if (ctrs == NULL) {
aoqi@0:         vm_exit_during_initialization("Rem set incompatibility.");
aoqi@0:       }
aoqi@0:       // Otherwise
aoqi@0:       // The constructor creates the CMSCollector if needed,
aoqi@0:       // else registers with an existing CMSCollector
aoqi@0: 
aoqi@0:       ASConcurrentMarkSweepGeneration* g = NULL;
aoqi@0:       g = new ASConcurrentMarkSweepGeneration(rs,
aoqi@0:                  init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
aoqi@0:                  (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
aoqi@0: 
aoqi@0:       g->initialize_performance_counters();
aoqi@0: 
aoqi@0:       return g;
aoqi@0:     }
aoqi@0: #endif // INCLUDE_ALL_GCS
aoqi@0: 
aoqi@0:     default:
aoqi@0:       guarantee(false, "unrecognized GenerationName");
aoqi@0:       return NULL;
aoqi@0:   }
aoqi@0: }