1/*
2 * Copyright (c) 2014, 2017, 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#ifndef SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP
26#define SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP
27
28#include "classfile/sharedPathsMiscInfo.hpp"
29#include "memory/filemap.hpp"
30
31class SharedClassUtil : AllStatic {
32public:
33
34  static SharedPathsMiscInfo* allocate_shared_paths_misc_info() {
35    return new SharedPathsMiscInfo();
36  }
37
38  static SharedPathsMiscInfo* allocate_shared_paths_misc_info(char* buf, int size) {
39    return new SharedPathsMiscInfo(buf, size);
40  }
41
42  static FileMapInfo::FileMapHeader* allocate_file_map_header() {
43    return new FileMapInfo::FileMapHeader();
44  }
45
46  static size_t file_map_header_size() {
47    return sizeof(FileMapInfo::FileMapHeader);
48  }
49
50  static size_t shared_class_path_entry_size() {
51    return sizeof(SharedClassPathEntry);
52  }
53
54  static void update_shared_classpath(ClassPathEntry *cpe,
55                                      SharedClassPathEntry* ent, TRAPS) {}
56  static void initialize(TRAPS) {}
57
58  inline static bool is_shared_boot_class(Klass* klass) {
59    return (klass->_shared_class_path_index >= 0);
60  }
61};
62
63#endif // SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP
64