1 /*
   2  * Copyright (c) 2001, 2019, 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 #include "precompiled.hpp"
  26 #include "gc/shared/cardTableRS.hpp"
  27 #include "gc/shared/generationSpec.hpp"
  28 #include "memory/binaryTreeDictionary.hpp"
  29 #include "memory/filemap.hpp"
  30 #include "runtime/java.hpp"
  31 #include "utilities/macros.hpp"
  32 #if INCLUDE_SERIALGC
  33 #include "gc/serial/defNewGeneration.hpp"
  34 #include "gc/serial/tenuredGeneration.hpp"
  35 #endif
  36 
  37 Generation* GenerationSpec::init(ReservedSpace rs, CardTableRS* remset) {
  38   switch (name()) {
  39 #if INCLUDE_SERIALGC
  40     case Generation::DefNew:
  41       return new DefNewGeneration(rs, _init_size, _min_size, _max_size);
  42 
  43     case Generation::MarkSweepCompact:
  44       return new TenuredGeneration(rs, _init_size, _min_size, _max_size, remset);
  45 #endif
  46 
  47     default:
  48       guarantee(false, "unrecognized GenerationName");
  49       return NULL;
  50   }
  51 }