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 {

    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 

    47     native static ByteBuffer getNativeMap(String imagePath);

    48 }