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src/share/vm/classfile/sharedClassUtil.hpp@7ae4e26cb1e0 (annotated)
src/share/vm/classfile/sharedClassUtil.hpp
Thu, 12 Oct 2017 21:27:07 +0800
- author
- aoqi
- date
- Thu, 12 Oct 2017 21:27:07 +0800
- changeset 7535
- 7ae4e26cb1e0
- parent 7089
- 6e0cb14ce59b
- permissions
- -rw-r--r--
merge
| iklam@7089 | 1 | /* |
| iklam@7089 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| iklam@7089 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| iklam@7089 | 4 | * |
| iklam@7089 | 5 | * This code is free software; you can redistribute it and/or modify it |
| iklam@7089 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| iklam@7089 | 7 | * published by the Free Software Foundation. |
| iklam@7089 | 8 | * |
| iklam@7089 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| iklam@7089 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| iklam@7089 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| iklam@7089 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| iklam@7089 | 13 | * accompanied this code). |
| iklam@7089 | 14 | * |
| iklam@7089 | 15 | * You should have received a copy of the GNU General Public License version |
| iklam@7089 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| iklam@7089 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| iklam@7089 | 18 | * |
| iklam@7089 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| iklam@7089 | 20 | * or visit www.oracle.com if you need additional information or have any |
| iklam@7089 | 21 | * questions. |
| iklam@7089 | 22 | * |
| iklam@7089 | 23 | */ |
| iklam@7089 | 24 | |
| iklam@7089 | 25 | #ifndef SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP |
| iklam@7089 | 26 | #define SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP |
| iklam@7089 | 27 | |
| iklam@7089 | 28 | #include "classfile/sharedPathsMiscInfo.hpp" |
| iklam@7089 | 29 | #include "memory/filemap.hpp" |
| iklam@7089 | 30 | |
| iklam@7089 | 31 | class SharedClassUtil : AllStatic { |
| iklam@7089 | 32 | public: |
| iklam@7089 | 33 | |
| iklam@7089 | 34 | static SharedPathsMiscInfo* allocate_shared_paths_misc_info() { |
| iklam@7089 | 35 | return new SharedPathsMiscInfo(); |
| iklam@7089 | 36 | } |
| iklam@7089 | 37 | |
| iklam@7089 | 38 | static SharedPathsMiscInfo* allocate_shared_paths_misc_info(char* buf, int size) { |
| iklam@7089 | 39 | return new SharedPathsMiscInfo(buf, size); |
| iklam@7089 | 40 | } |
| iklam@7089 | 41 | |
| iklam@7089 | 42 | static FileMapInfo::FileMapHeader* allocate_file_map_header() { |
| iklam@7089 | 43 | return new FileMapInfo::FileMapHeader(); |
| iklam@7089 | 44 | } |
| iklam@7089 | 45 | |
| iklam@7089 | 46 | static size_t file_map_header_size() { |
| iklam@7089 | 47 | return sizeof(FileMapInfo::FileMapHeader); |
| iklam@7089 | 48 | } |
| iklam@7089 | 49 | |
| iklam@7089 | 50 | static size_t shared_class_path_entry_size() { |
| iklam@7089 | 51 | return sizeof(SharedClassPathEntry); |
| iklam@7089 | 52 | } |
| iklam@7089 | 53 | |
| iklam@7089 | 54 | static void update_shared_classpath(ClassPathEntry *cpe, |
| iklam@7089 | 55 | SharedClassPathEntry* ent, |
| iklam@7089 | 56 | time_t timestamp, |
| iklam@7089 | 57 | long filesize, TRAPS) { |
| iklam@7089 | 58 | ent->_timestamp = timestamp; |
| iklam@7089 | 59 | ent->_filesize = filesize; |
| iklam@7089 | 60 | } |
| iklam@7089 | 61 | |
| iklam@7089 | 62 | static void initialize(TRAPS) {} |
| iklam@7089 | 63 | |
| iklam@7089 | 64 | inline static bool is_shared_boot_class(Klass* klass) { |
| iklam@7089 | 65 | return (klass->_shared_class_path_index >= 0); |
| iklam@7089 | 66 | } |
| iklam@7089 | 67 | }; |
| iklam@7089 | 68 | |
| iklam@7089 | 69 | #endif // SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP |
