Mercurial > hg > graal-compiler
view test/runtime/6294277/SourceDebugExtension.java @ 20410:232b50b20797 jdk8u40-b05
Added tag hs25.40-b09 for changeset c9635cad4a5d
author | amurillo |
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date | Fri, 05 Sep 2014 15:02:44 -0700 |
parents | d900d95bfdb0 |
children | 047ea31fb127 |
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/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 6294277 * @summary java -Xdebug crashes on SourceDebugExtension attribute larger than 64K * @run main/othervm -Xdebug -Xrunjdwp:transport=dt_socket,address=8888,server=y,suspend=n SourceDebugExtension */ import java.io.*; public class SourceDebugExtension extends ClassLoader { static final int attrSize = 68000; static byte[] header = { (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x32, (byte)0x00, (byte)0x1e, 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(byte)0x09, (byte)0x00, (byte)0x0b, (byte)0x00, (byte)0x0c, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x09, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x25, (byte)0x00, (byte)0x02, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x09, (byte)0xb2, (byte)0x00, (byte)0x02, (byte)0x12, (byte)0x03, (byte)0xb6, (byte)0x00, (byte)0x04, (byte)0xb1, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0a, (byte)0x00, (byte)0x02, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x03, (byte)0x00, (byte)0x08, (byte)0x00, (byte)0x04, (byte)0x00, (byte)0x02, (byte)0x00, (byte)0x0d, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x02, (byte)0x00, (byte)0x0e, (byte)0x00, (byte)0x1d, (byte)0x00, (byte)0x01, (byte)0x09, (byte)0xa0 }; public static void main(String[] args) throws Exception { try { SourceDebugExtension loader = new SourceDebugExtension(); /* The test program creates a class file from the header * stored above and adding the content of a SourceDebugExtension * attribute made of the character 0x02 repeated 68000 times. * This attribute doesn't follow the syntax specified in JSR 45 * but it's fine because this test just checks that the JVM is * able to load a class file with a SourceDebugExtension * attribute bigger than 64KB. The JVM doesn't try to * parse the content of the attribute, this work is performed * by the SA or external tools. */ byte[] buf = new byte[header.length + attrSize]; for(int i=0; i<header.length; i++) { buf[i] = header[i]; } for(int i=0; i<attrSize; i++) { buf[header.length+i] = (byte)0x02; } Class c = loader.defineClass("TestProg", buf, 0, buf.length); System.out.println("Test PASSES"); } catch(Exception e) { System.out.println("Test FAILS"); } } }