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