1/* 2 * Copyright (c) 2016, 2017, 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 24import java.util.ArrayList; 25import java.util.List; 26 27import sun.jvm.hotspot.HotSpotAgent; 28import sun.jvm.hotspot.utilities.SystemDictionaryHelper; 29import sun.jvm.hotspot.oops.InstanceKlass; 30import sun.jvm.hotspot.debugger.*; 31import sun.jvm.hotspot.oops.Method; 32import sun.jvm.hotspot.utilities.MethodArray; 33import sun.jvm.hotspot.ui.classbrowser.HTMLGenerator; 34 35import jdk.test.lib.apps.LingeredApp; 36import jdk.test.lib.JDKToolLauncher; 37import jdk.test.lib.JDKToolFinder; 38import jdk.test.lib.Platform; 39import jdk.test.lib.process.ProcessTools; 40import jdk.test.lib.process.OutputAnalyzer; 41import jdk.test.lib.Utils; 42import jdk.test.lib.Asserts; 43 44/* 45 * @test 46 * @library /test/lib 47 * @requires os.family != "mac" 48 * @modules java.base/jdk.internal.misc 49 * jdk.hotspot.agent/sun.jvm.hotspot 50 * jdk.hotspot.agent/sun.jvm.hotspot.utilities 51 * jdk.hotspot.agent/sun.jvm.hotspot.oops 52 * jdk.hotspot.agent/sun.jvm.hotspot.debugger 53 * jdk.hotspot.agent/sun.jvm.hotspot.ui.classbrowser 54 * @run main/othervm TestCpoolForInvokeDynamic 55 */ 56 57public class TestCpoolForInvokeDynamic { 58 59 private static LingeredAppWithInvokeDynamic theApp = null; 60 61 private static void printBytecodes(String pid, 62 String[] instanceKlassNames) { 63 HotSpotAgent agent = new HotSpotAgent(); 64 try { 65 agent.attach(Integer.parseInt(pid)); 66 } 67 catch (DebuggerException e) { 68 System.out.println(e.getMessage()); 69 System.err.println("Unable to connect to process ID: " + pid); 70 71 agent.detach(); 72 e.printStackTrace(); 73 } 74 75 for (String instanceKlassName : instanceKlassNames) { 76 InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass(instanceKlassName); 77 MethodArray methods = iKlass.getMethods(); 78 for (int i = 0; i < methods.length(); i++) { 79 Method m = methods.at(i); 80 System.out.println("Method: " + m.getName().asString() + 81 " in instance klass: " + instanceKlassName); 82 HTMLGenerator gen = new HTMLGenerator(false); 83 System.out.println(gen.genHTML(m)); 84 } 85 } 86 agent.detach(); 87 } 88 89 private static void createAnotherToAttach( 90 String[] instanceKlassNames, 91 long lingeredAppPid) throws Exception { 92 93 String[] toolArgs = { 94 "--add-modules=jdk.hotspot.agent", 95 "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED", 96 "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED", 97 "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED", 98 "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.debugger=ALL-UNNAMED", 99 "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.ui.classbrowser=ALL-UNNAMED", 100 "TestCpoolForInvokeDynamic", 101 Long.toString(lingeredAppPid) 102 }; 103 104 // Start a new process to attach to the lingered app 105 ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(toolArgs); 106 OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder); 107 SAOutput.shouldHaveExitValue(0); 108 System.out.println(SAOutput.getOutput()); 109 110 SAOutput.shouldContain("invokedynamic"); 111 SAOutput.shouldContain("Name and Type"); 112 SAOutput.shouldContain("run:()Ljava.lang.Runnable"); 113 SAOutput.shouldContain("compare:()LTestComparator"); 114 SAOutput.shouldNotContain("Corrupted constant pool"); 115 } 116 117 public static void main (String... args) throws Exception { 118 119 String[] instanceKlassNames = new String[] { 120 "LingeredAppWithInvokeDynamic" 121 }; 122 123 if (!Platform.shouldSAAttach()) { 124 System.out.println( 125 "SA attach not expected to work - test skipped."); 126 return; 127 } 128 129 if (args == null || args.length == 0) { 130 try { 131 List<String> vmArgs = new ArrayList<String>(); 132 vmArgs.add("-XX:+UsePerfData"); 133 vmArgs.addAll(Utils.getVmOptions()); 134 135 theApp = new LingeredAppWithInvokeDynamic(); 136 LingeredApp.startApp(vmArgs, theApp); 137 createAnotherToAttach(instanceKlassNames, 138 theApp.getPid()); 139 } finally { 140 LingeredApp.stopApp(theApp); 141 } 142 } else { 143 printBytecodes(args[0], instanceKlassNames); 144 } 145 } 146} 147