1 /*
 2  * Copyright (c) 2023, 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
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23  */
24 
25 #ifndef SHARE_CDS_CDSENUMKLASS_HPP
26 #define SHARE_CDS_CDSENUMKLASS_HPP
27 
28 #include "memory/allStatic.hpp"
29 #include "oops/oop.hpp"
30 #include "utilities/exceptions.hpp"
31 #include "utilities/macros.hpp"
32 
33 class fieldDescriptor;
34 class InstanceKlass;
35 class JavaFieldStream;
36 class KlassSubGraphInfo;
37 
38 class CDSEnumKlass: AllStatic {
39 public:
40   static bool is_enum_obj(oop orig_obj);
41   static void handle_enum_obj(int level,
42                               KlassSubGraphInfo* subgraph_info,
43                               oop orig_obj);
44   static bool initialize_enum_klass(InstanceKlass* k, TRAPS) NOT_CDS_JAVA_HEAP_RETURN_(false);
45 
46 private:
47   static void archive_static_oop_field(int level, KlassSubGraphInfo* subgraph_info,
48                                        InstanceKlass* ik, oop mirror, fieldDescriptor& fd);
49   static void archive_static_primitive_field(int level, KlassSubGraphInfo* subgraph_info,
50                                              InstanceKlass* ik, oop mirror, fieldDescriptor& fd);
51   static bool can_archive_static_oop_field(InstanceKlass* enum_klass, oop obj);
52 };
53 
54 #endif // SHARE_CDS_CDSENUMKLASS_HPP