1 /* 2 * Copyright (c) 2017, 2018, 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 Redefine shared class. GC should not cause crash with cached resolved_references. 28 * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes /test/hotspot/jtreg/runtime/appcds/jvmti 29 * @requires vm.cds.archived.java.heap 30 * @modules java.base/jdk.internal.misc 31 * jdk.jartool/sun.tools.jar 32 * java.management 33 * @build sun.hotspot.WhiteBox 34 * RedefineClassApp 35 * InstrumentationClassFileTransformer 36 * InstrumentationRegisterClassFileTransformer 37 * @run main/othervm RedefineClassTest 38 */ 39 40 import com.sun.tools.attach.VirtualMachine; 41 import com.sun.tools.attach.VirtualMachineDescriptor; 42 import java.io.File; 43 import java.util.List; 44 import jdk.test.lib.Asserts; 45 import jdk.test.lib.cds.CDSOptions; 46 import jdk.test.lib.process.OutputAnalyzer; 47 import jdk.test.lib.process.ProcessTools; 48 49 public class RedefineClassTest { 50 public static String bootClasses[] = { 51 "RedefineClassApp$Intf", 52 "RedefineClassApp$Bar", 53 "sun.hotspot.WhiteBox", 54 }; 55 public static String appClasses[] = { 56 "RedefineClassApp", 57 "RedefineClassApp$Foo", 58 }; 59 public static String sharedClasses[] = TestCommon.concat(bootClasses, appClasses); 60 61 public static String agentClasses[] = { 62 "InstrumentationClassFileTransformer", 63 "InstrumentationRegisterClassFileTransformer", 64 "Util", 65 }; 66 67 public static void main(String[] args) throws Throwable { 68 runTest(); 69 } 70 71 public static void runTest() throws Throwable { 72 String bootJar = 73 ClassFileInstaller.writeJar("RedefineClassBoot.jar", bootClasses); 74 String appJar = 75 ClassFileInstaller.writeJar("RedefineClassApp.jar", appClasses); 76 String agentJar = 77 ClassFileInstaller.writeJar("InstrumentationAgent.jar", 78 ClassFileInstaller.Manifest.fromSourceFile("InstrumentationAgent.mf"), 79 agentClasses); 80 81 String bootCP = "-Xbootclasspath/a:" + bootJar; 82 83 String agentCmdArg; 84 agentCmdArg = "-javaagent:" + agentJar; 85 86 TestCommon.testDump(appJar, sharedClasses, bootCP, "-Xlog:gc+region=trace"); 87 88 OutputAnalyzer out = TestCommon.execAuto("-cp", appJar, 89 bootCP, 90 "-XX:+UnlockDiagnosticVMOptions", 91 "-XX:+WhiteBoxAPI", 92 "-Xlog:gc+region=trace,cds=info", 93 agentCmdArg, 94 "RedefineClassApp", bootJar, appJar); 95 out.reportDiagnosticSummary(); 96 97 CDSOptions opts = (new CDSOptions()).setXShareMode("auto"); 98 TestCommon.checkExec(out, opts); 99 } 100 } 101