| /* |
| * 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,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, (byte)0x0a, (byte)0x00, (byte)0x06, (byte)0x00, |
| (byte)0x0f, (byte)0x09, (byte)0x00, (byte)0x10, (byte)0x00, (byte)0x11, (byte)0x08, |
| (byte)0x00, (byte)0x12, (byte)0x0a, (byte)0x00, (byte)0x13, (byte)0x00, (byte)0x14, |
| (byte)0x07, (byte)0x00, (byte)0x15, (byte)0x07, (byte)0x00, (byte)0x16, (byte)0x01, |
| (byte)0x00, (byte)0x06, (byte)0x3c, (byte)0x69, (byte)0x6e, (byte)0x69, (byte)0x74, |
| (byte)0x3e, (byte)0x01, (byte)0x00, (byte)0x03, (byte)0x28, (byte)0x29, (byte)0x56, |
| (byte)0x01, (byte)0x00, (byte)0x04, (byte)0x43, (byte)0x6f, (byte)0x64, (byte)0x65, |
| (byte)0x01, (byte)0x00, (byte)0x0f, (byte)0x4c, (byte)0x69, (byte)0x6e, (byte)0x65, |
| (byte)0x4e, (byte)0x75, (byte)0x6d, (byte)0x62, (byte)0x65, (byte)0x72, (byte)0x54, |
| (byte)0x61, (byte)0x62, (byte)0x6c, (byte)0x65, (byte)0x01, (byte)0x00, (byte)0x04, |
| (byte)0x6d, (byte)0x61, (byte)0x69, (byte)0x6e, (byte)0x01, (byte)0x00, (byte)0x16, |
| (byte)0x28, (byte)0x5b, (byte)0x4c, (byte)0x6a, (byte)0x61, (byte)0x76, (byte)0x61, |
| (byte)0x2f, (byte)0x6c, (byte)0x61, (byte)0x6e, (byte)0x67, (byte)0x2f, (byte)0x53, |
| (byte)0x74, (byte)0x72, (byte)0x69, (byte)0x6e, (byte)0x67, (byte)0x3b, (byte)0x29, |
| (byte)0x56, (byte)0x01, (byte)0x00, (byte)0x0a, (byte)0x53, (byte)0x6f, (byte)0x75, |
| (byte)0x72, (byte)0x63, (byte)0x65, (byte)0x46, (byte)0x69, (byte)0x6c, (byte)0x65, |
| (byte)0x01, (byte)0x00, (byte)0x0d, (byte)0x54, (byte)0x65, (byte)0x73, (byte)0x74, |
| (byte)0x50, (byte)0x72, (byte)0x6f, (byte)0x67, (byte)0x2e, (byte)0x6a, (byte)0x61, |
| (byte)0x76, (byte)0x61, (byte)0x0c, (byte)0x00, (byte)0x07, (byte)0x00, (byte)0x08, |
| (byte)0x07, (byte)0x00, (byte)0x17, (byte)0x0c, (byte)0x00, (byte)0x18, (byte)0x00, |
| (byte)0x19, (byte)0x01, (byte)0x00, (byte)0x34, (byte)0x54, (byte)0x65, (byte)0x73, |
| (byte)0x74, (byte)0x20, (byte)0x70, (byte)0x72, (byte)0x6f, (byte)0x67, (byte)0x72, |
| (byte)0x61, (byte)0x6d, (byte)0x20, (byte)0x66, (byte)0x6f, (byte)0x72, (byte)0x20, |
| (byte)0x62, (byte)0x69, (byte)0x67, (byte)0x20, (byte)0x53, (byte)0x6f, (byte)0x75, |
| (byte)0x72, (byte)0x63, (byte)0x65, (byte)0x44, (byte)0x65, (byte)0x62, (byte)0x75, |
| (byte)0x67, (byte)0x45, (byte)0x78, (byte)0x74, (byte)0x65, (byte)0x6e, (byte)0x73, |
| (byte)0x69, (byte)0x6f, (byte)0x6e, (byte)0x20, (byte)0x61, (byte)0x74, (byte)0x74, |
| (byte)0x72, (byte)0x69, (byte)0x62, (byte)0x75, (byte)0x74, (byte)0x65, (byte)0x73, |
| (byte)0x07, (byte)0x00, (byte)0x1a, (byte)0x0c, (byte)0x00, (byte)0x1b, (byte)0x00, |
| (byte)0x1c, (byte)0x01, (byte)0x00, (byte)0x08, (byte)0x54, (byte)0x65, (byte)0x73, |
| (byte)0x74, (byte)0x50, (byte)0x72, (byte)0x6f, (byte)0x67, (byte)0x01, (byte)0x00, |
| (byte)0x10, (byte)0x6a, (byte)0x61, (byte)0x76, (byte)0x61, (byte)0x2f, (byte)0x6c, |
| (byte)0x61, (byte)0x6e, (byte)0x67, (byte)0x2f, (byte)0x4f, (byte)0x62, (byte)0x6a, |
| (byte)0x65, (byte)0x63, (byte)0x74, (byte)0x01, (byte)0x00, (byte)0x10, (byte)0x6a, |
| (byte)0x61, (byte)0x76, (byte)0x61, (byte)0x2f, (byte)0x6c, (byte)0x61, (byte)0x6e, |
| (byte)0x67, (byte)0x2f, (byte)0x53, (byte)0x79, (byte)0x73, (byte)0x74, (byte)0x65, |
| (byte)0x6d, (byte)0x01, (byte)0x00, (byte)0x03, (byte)0x6f, (byte)0x75, (byte)0x74, |
| (byte)0x01, (byte)0x00, (byte)0x15, (byte)0x4c, (byte)0x6a, (byte)0x61, (byte)0x76, |
| (byte)0x61, (byte)0x2f, (byte)0x69, (byte)0x6f, (byte)0x2f, (byte)0x50, (byte)0x72, |
| (byte)0x69, (byte)0x6e, (byte)0x74, (byte)0x53, (byte)0x74, (byte)0x72, (byte)0x65, |
| (byte)0x61, (byte)0x6d, (byte)0x3b, (byte)0x01, (byte)0x00, (byte)0x13, (byte)0x6a, |
| (byte)0x61, (byte)0x76, (byte)0x61, (byte)0x2f, (byte)0x69, (byte)0x6f, (byte)0x2f, |
| (byte)0x50, (byte)0x72, (byte)0x69, (byte)0x6e, (byte)0x74, (byte)0x53, (byte)0x74, |
| (byte)0x72, (byte)0x65, (byte)0x61, (byte)0x6d, (byte)0x01, (byte)0x00, (byte)0x07, |
| (byte)0x70, (byte)0x72, (byte)0x69, (byte)0x6e, (byte)0x74, (byte)0x6c, (byte)0x6e, |
| (byte)0x01, (byte)0x00, (byte)0x15, (byte)0x28, (byte)0x4c, (byte)0x6a, (byte)0x61, |
| (byte)0x76, (byte)0x61, (byte)0x2f, (byte)0x6c, (byte)0x61, (byte)0x6e, (byte)0x67, |
| (byte)0x2f, (byte)0x53, (byte)0x74, (byte)0x72, (byte)0x69, (byte)0x6e, (byte)0x67, |
| (byte)0x3b, (byte)0x29, (byte)0x56, (byte)0x01, (byte)0x00, (byte)0x14, (byte)0x53, |
| (byte)0x6f, (byte)0x75, (byte)0x72, (byte)0x63, (byte)0x65, (byte)0x44, (byte)0x65, |
| (byte)0x62, (byte)0x75, (byte)0x67, (byte)0x45, (byte)0x78, (byte)0x74, (byte)0x65, |
| (byte)0x6e, (byte)0x73, (byte)0x69, (byte)0x6f, (byte)0x6e, (byte)0x00, (byte)0x21, |
| (byte)0x00, (byte)0x05, (byte)0x00, (byte)0x06, (byte)0x00, (byte)0x00, (byte)0x00, |
| (byte)0x00, (byte)0x00, (byte)0x02, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x07, |
| (byte)0x00, (byte)0x08, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x09, (byte)0x00, |
| (byte)0x00, (byte)0x00, (byte)0x1d, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x01, |
| (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x05, (byte)0x2a, (byte)0xb7, (byte)0x00, |
| (byte)0x01, (byte)0xb1, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, |
| (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x06, (byte)0x00, (byte)0x01, |
| (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (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"); |
| } |
| } |
| } |