1 /* 2 * Copyright (c) 2014, 2016, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package jdk.internal.jimage; 26 27 import java.nio.ByteBuffer; 28 29 /** 30 * @implNote This class needs to maintain JDK 8 source compatibility. 31 * 32 * It is used internally in the JDK to implement jimage/jrtfs access, 33 * but also compiled and delivered as part of the jrtfs.jar to support access 34 * to the jimage file provided by the shipped JDK by tools running on JDK 8. 35 */ 36 class NativeImageBuffer { 37 static { java.security.AccessController.doPrivileged( new java.security.PrivilegedAction<Void>() { public Void run() { System.loadLibrary(R); return null; } })38 java.security.AccessController.doPrivileged( 39 new java.security.PrivilegedAction<Void>() { 40 public Void run() { 41 System.loadLibrary("jimage"); 42 return null; 43 } 44 }); 45 } 46 getNativeMap(String imagePath)47 native static ByteBuffer getNativeMap(String imagePath); 48 } 49