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
21  * questions.
22  *
23  */
24 
25 #include "precompiled.hpp"
26 #include "gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.hpp"
27 #include "gc/shenandoah/heuristics/shenandoahAggressiveHeuristics.hpp"
28 #include "gc/shenandoah/heuristics/shenandoahCompactHeuristics.hpp"
29 #include "gc/shenandoah/heuristics/shenandoahStaticHeuristics.hpp"
30 #include "gc/shenandoah/shenandoahGeneration.hpp"
31 #include "gc/shenandoah/mode/shenandoahMode.hpp"
32 
33 ShenandoahHeuristics* ShenandoahMode::initialize_heuristics(ShenandoahGeneration* generation) const {
34 
35   if (ShenandoahGCHeuristics != NULL) {
36     if (strcmp(ShenandoahGCHeuristics, "aggressive") == 0) {
37       return new ShenandoahAggressiveHeuristics(generation);
38     } else if (strcmp(ShenandoahGCHeuristics, "static") == 0) {
39       return new ShenandoahStaticHeuristics(generation);
40     } else if (strcmp(ShenandoahGCHeuristics, "adaptive") == 0) {
41       return new ShenandoahAdaptiveHeuristics(generation);
42     } else if (strcmp(ShenandoahGCHeuristics, "compact") == 0) {
43       return new ShenandoahCompactHeuristics(generation);
44     } else {
45       vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option");
46     }
47   }
48   ShouldNotReachHere();
49   return NULL;
50 }
51