1 /*
 2  * Copyright (c) 2020, Red Hat, Inc. 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
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22  *
23  */
24 
25 #ifndef SHARE_GC_SHENANDOAH_MODE_SHENANDOAHGENERATIONALMODE_HPP
26 #define SHARE_GC_SHENANDOAH_MODE_SHENANDOAHGENERATIONALMODE_HPP
27 
28 #include "gc/shenandoah/mode/shenandoahMode.hpp"
29 #include "oops/oopsHierarchy.hpp"
30 
31 enum GenerationMode {
32   YOUNG,
33   OLD,
34   GLOBAL
35 };
36 
37 enum ShenandoahRegionAffiliation {
38   FREE,
39   YOUNG_GENERATION,
40   OLD_GENERATION
41 };
42 
43 const char* affiliation_name(oop ptr);
44 const char* affiliation_name(ShenandoahRegionAffiliation type);
45 
46 class ShenandoahGenerationalMode : public ShenandoahMode {
47 public:
48   virtual void initialize_flags() const;
49   virtual const char* name()     { return "Generational"; }
50   virtual bool is_diagnostic()   { return false; }
51   virtual bool is_experimental() { return false; }
52   virtual bool is_generational() { return true; }
53 };
54 
55 #endif // SHARE_GC_SHENANDOAH_MODE_SHENANDOAHGENERATIONALMODE_HPP