/* * Copyright (c) 2017, 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 * @summary Redefine shared class. GC should not cause crash with cached resolved_references. * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes /test/hotspot/jtreg/runtime/appcds/jvmti * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) * @requires vm.gc.G1 * @requires vm.flavor != "minimal" * @requires (sun.arch.data.model != "32") & (os.family != "windows") * @modules java.base/jdk.internal.misc * jdk.jartool/sun.tools.jar * java.management * @build sun.hotspot.WhiteBox * RedefineClassApp * InstrumentationClassFileTransformer * InstrumentationRegisterClassFileTransformer * @run main/othervm RedefineClassTest */ import com.sun.tools.attach.VirtualMachine; import com.sun.tools.attach.VirtualMachineDescriptor; import java.io.File; import java.util.List; import jdk.test.lib.Asserts; import jdk.test.lib.cds.CDSOptions; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; public class RedefineClassTest { public static String bootClasses[] = { "RedefineClassApp$Intf", "RedefineClassApp$Bar", "sun.hotspot.WhiteBox", }; public static String appClasses[] = { "RedefineClassApp", "RedefineClassApp$Foo", }; public static String sharedClasses[] = TestCommon.concat(bootClasses, appClasses); public static String agentClasses[] = { "InstrumentationClassFileTransformer", "InstrumentationRegisterClassFileTransformer", "Util", }; public static void main(String[] args) throws Throwable { runTest(); } public static void runTest() throws Throwable { String bootJar = ClassFileInstaller.writeJar("RedefineClassBoot.jar", bootClasses); String appJar = ClassFileInstaller.writeJar("RedefineClassApp.jar", appClasses); String agentJar = ClassFileInstaller.writeJar("InstrumentationAgent.jar", ClassFileInstaller.Manifest.fromSourceFile("InstrumentationAgent.mf"), agentClasses); String bootCP = "-Xbootclasspath/a:" + bootJar; String agentCmdArg; agentCmdArg = "-javaagent:" + agentJar; TestCommon.testDump(appJar, sharedClasses, bootCP, "-Xlog:gc+region=trace"); OutputAnalyzer out = TestCommon.execAuto("-cp", appJar, bootCP, "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "-Xlog:gc+region=trace,cds=info", agentCmdArg, "RedefineClassApp", bootJar, appJar); out.reportDiagnosticSummary(); CDSOptions opts = (new CDSOptions()).setXShareMode("auto"); TestCommon.checkExec(out, opts); } }