1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @summary When HelloA and HelloB are copied into the dynamic archive, the Symbols 28 * for their method's names will have a different sorting order. This requires 29 * that the dumped InstanceKlass to re-sort their "methods" array and re-layout the vtables/itables. 30 * A regression test for an earlier bug in DynamicArchiveBuilder::relocate_buffer_to_target(). 31 * @requires vm.cds 32 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes 33 * /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/test-classes 34 * @build MethodSortingApp 35 * @build sun.hotspot.WhiteBox 36 * @run driver ClassFileInstaller -jar method_sorting.jar 37 * MethodSortingApp 38 * MethodSortingApp$HelloA 39 * MethodSortingApp$HelloA1 40 * MethodSortingApp$HelloB 41 * MethodSortingApp$HelloB1 42 * MethodSortingApp$InterfaceA 43 * MethodSortingApp$InterfaceB 44 * MethodSortingApp$ImplementorA 45 * MethodSortingApp$ImplementorA1 46 * MethodSortingApp$ImplementorB 47 * MethodSortingApp$ImplementorB1 48 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 49 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. MethodSorting 50 */ 51 52 public class MethodSorting extends DynamicArchiveTestBase { 53 public static void main(String[] args) throws Exception { 54 runTest(MethodSorting::test); 55 } 56 57 static void test() throws Exception { 58 String topArchiveName = getNewArchiveName(); 59 String appJar = ClassFileInstaller.getJarPath("method_sorting.jar"); 60 String mainClass = "MethodSortingApp"; 61 62 dumpAndRun(topArchiveName, "-Xlog:cds+dynamic=debug", "-cp", appJar, mainClass); 63 } 64 }