Mercurial > hg > truffle

annotate test/serviceability/jvmti/GetObjectSizeOverflowAgent.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 997fd9660dd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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17946
997fd9660dd5 8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
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1 /*
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2 * Copyright (c) 2014, 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
997fd9660dd5 8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
997fd9660dd5 8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
997fd9660dd5 8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
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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 import java.lang.instrument.*;
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24
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25 public class GetObjectSizeOverflowAgent {
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26
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27 static Instrumentation instrumentation;
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28
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29 public static void premain(String agentArgs, Instrumentation instrumentation) {
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30 GetObjectSizeOverflowAgent.instrumentation = instrumentation;
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31 }
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32
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33 public static void main(String[] args) throws Exception {
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34 int[] a = new int[600_000_000];
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35 long size = instrumentation.getObjectSize(a);
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36
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37 if (size < 2_400_000_000L) {
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38 throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size);
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39 }
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40
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41 System.out.println("GetObjectSizeOverflow passed");
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42 }
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43 }