Mercurial > jdk8-mips64-public > hotspot / annotate
test/serviceability/jvmti/GetObjectSizeOverflowAgent.java@997fd9660dd5 (annotated)
test/serviceability/jvmti/GetObjectSizeOverflowAgent.java
Thu, 22 May 2014 09:12:29 +0200
- author
- allwin
- date
- Thu, 22 May 2014 09:12:29 +0200
- changeset 6689
- 997fd9660dd5
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
Reviewed-by: dholmes, sspitsyn
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | import java.lang.instrument.*; |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | public class GetObjectSizeOverflowAgent { |
| aoqi@0 | 26 | |
| aoqi@0 | 27 | static Instrumentation instrumentation; |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | public static void premain(String agentArgs, Instrumentation instrumentation) { |
| aoqi@0 | 30 | GetObjectSizeOverflowAgent.instrumentation = instrumentation; |
| aoqi@0 | 31 | } |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | public static void main(String[] args) throws Exception { |
| aoqi@0 | 34 | int[] a = new int[600_000_000]; |
| aoqi@0 | 35 | long size = instrumentation.getObjectSize(a); |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | if (size < 2_400_000_000L) { |
| aoqi@0 | 38 | throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size); |
| aoqi@0 | 39 | } |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | System.out.println("GetObjectSizeOverflow passed"); |
| aoqi@0 | 42 | } |
| aoqi@0 | 43 | } |
