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annotate test/compiler/jsr292/methodHandleExceptions/ByteClassLoader.java @ 13232:f1f33d1ff3e2

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made instrumentation of OptimizedCallTarget.call() safe with respect to patching its verified entry point (GRAAL-605)
author Doug Simon <doug.simon@oracle.com>
date Tue, 03 Dec 2013 16:53:21 +0100
parents dc261f466b6d
children 9d15b81d5d1b
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
dc261f466b6d 8025260: Methodhandles/JSR292: NullPointerException (NPE) thrown instead of AbstractMethodError (AME)
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * A minimal classloader for loading bytecodes that could not result from
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27 * properly compiled Java.
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28 *
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29 * @author dr2chase
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30 */
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31 public class ByteClassLoader extends ClassLoader {
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32 /**
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33 * (pre)load class name using classData for the definition.
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34 *
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35 * @param name
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36 * @param classData
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37 * @return
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38 */
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39 public Class<?> loadBytes(String name, byte[] classData) {
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40 Class<?> clazz = defineClass(name, classData, 0, classData.length);
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41 resolveClass(clazz);
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42 return clazz;
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43 }
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44 }