1 /* 2 * Copyright (c) 2014, 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 31 class SharedClassUtil : AllStatic { 32 public: 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, 56 time_t timestamp, 57 long filesize, TRAPS) { 58 ent->_timestamp = timestamp; 59 ent->_filesize = filesize; 60 } 61 62 static void initialize(TRAPS) {} 63 64 inline static bool is_shared_boot_class(Klass* klass) { 65 return (klass->_shared_class_path_index >= 0); 66 } 67 }; 68 69 #endif // SHARE_VM_CLASSFILE_SHAREDCLASSUTIL_HPP