/* * Copyright (c) 2002, 2022, 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 4628760 * @summary RedefineClasses gets assertion: "Should be a method entry in cpcache!" * @comment converted from test/jdk/com/sun/jdi/RedefineClasses.sh * * @library /test/lib * @run main/othervm RedefineClasses */ /* On windows, with b90, this gets this: * assert(u2_at_bcp >= 0 && u2_at_bcp < old_cache->length(), "Bad cpcache index!") * * Error happened during: VM_RedefineClasses * * Error ID: D:/jdk1.4/hotspot\src\share\vm\prims\jvmdi_hotswap.cpp, 331 * On solaris, and on windows with 4559100 fixed, this test fails with: * * HotSpot Virtual Machine Error, assertion failure * Please report this error at * http://java.sun.com/cgi-bin/bugreport.cgi * * Java VM: Java HotSpot(TM) Client VM (1.4-internal-debug mixed mode) * * assert(old_cache->entry_at(u2_at_bcp)->is_method_entry(), "Should be a method entry in cpcache!") * * Error happened during: VM_RedefineClasses * * Error ID: M:\ws\m\b2\service_hs_baseline\src\share\vm\prims\jvmdi_hotswap.cpp, 335 */ /* * With -Xcomp on solaris this passes, but takes 2 minutes. */ import jdk.test.lib.util.ClassTransformer; import lib.jdb.JdbCommand; import lib.jdb.JdbTest; import java.lang.Thread; import java.util.HashMap; import javax.swing.*; import java.util.*; class RedefineClassesTarg { int xxx = 20; //ThreadGroup k = new ThreadGroup("group"); int i; public RedefineClassesTarg() { } public void a1() { a2(); } public void a2() { a3(); } public void a3() { System.out.println("out from a3"); // @1 breakpoint //System.out.println("hello world"); // @ 1 delete this isn't even necesary } public void a4() { System.out.println("in a4"); int i = 2; int j = 3333; System.out.println("i + j = " + (i + j)); System.out.println("out from a4"); System.out.println("def"); a1(); } public void aa() { a4(); System.out.println("out from aa"); } public static void main(String[] args) { byte xyz[] = new byte[] { 'a', 'b', 'c' }; int x1 = 100; x1 = 101; x1 = 102; x1 = 103; String m1 = "def"; String m2 = "abc"; String m3 = "def"; int[] m = new int[] { 100, 200, 300 }; RedefineClassesTarg untitled31 = new RedefineClassesTarg(); untitled31.aa(); } } public class RedefineClasses extends JdbTest { public static void main(String argv[]) { new RedefineClasses().run(); } private RedefineClasses() { super(DEBUGGEE_CLASS, SOURCE_FILE); } private static final String DEBUGGEE_CLASS = RedefineClassesTarg.class.getName(); private static final String SOURCE_FILE = "RedefineClasses.java"; @Override protected void runCases() { setBreakpoints(1); jdb.command(JdbCommand.run()); String transformedClassFile = ClassTransformer.fromTestSource(SOURCE_FILE) .transform(1, DEBUGGEE_CLASS); jdb.command(JdbCommand.redefine(DEBUGGEE_CLASS, transformedClassFile)); jdb.command(JdbCommand.redefine(DEBUGGEE_CLASS, transformedClassFile)); jdb.command(JdbCommand.redefine(DEBUGGEE_CLASS, transformedClassFile)); } }