1 /* 2 * Copyright (c) 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 * @test 26 * @bug 8193801 8129348 27 * @summary Invokes static and instance methods when debugger trace 28 * mode is on. 29 * 30 * @library /test/lib 31 * @run build TestScaffold VMConnection TargetListener TargetAdapter 32 * @run compile -g MethodInvokeWithTraceOnTest.java 33 * @run driver MethodInvokeWithTraceOnTest 34 */ 35 36 import com.sun.jdi.*; 37 import com.sun.jdi.event.*; 38 39 import java.util.*; 40 41 import static lib.jdb.JdbTest.*; 42 43 /********** target program **********/ 44 45 class MethodInvokeWithTraceOnTestTarg { 46 public static void main(String[] args) { 47 new MethodInvokeWithTraceOnTestTarg().test(); 48 } 49 50 private void test() { 51 Thread thread = Thread.currentThread(); 52 print(thread); // @1 breakpoint 53 } 54 55 public void print(Object obj) { 56 System.out.println(obj); 57 } 58 } 59 60 61 /********** test program **********/ 62 63 public class MethodInvokeWithTraceOnTest extends TestScaffold { 64 65 MethodInvokeWithTraceOnTest(String args[]) { 66 super(args); 67 } 68 69 public static void main(String[] args) 70 throws Exception { 71 new MethodInvokeWithTraceOnTest(args).startTests(); 72 } 73 74 /********** test core **********/ 75 76 protected void runTests() 77 throws Exception { 78 BreakpointEvent be = init(); 79 testStaticMethod(be); 80 testInstanceMethod(be); 81 82 /* 83 * resume the target listening for events 84 */ 85 listenUntilVMDisconnect(); 86 } 87 88 private BreakpointEvent init() throws Exception{ 89 startToMain("MethodInvokeWithTraceOnTestTarg"); 90 vm().setDebugTraceMode(VirtualMachine.TRACE_ALL); 91 int bkpLine = parseBreakpoints(getTestSourcePath("MethodInvokeWithTraceOnTest.java"), 1).get(0); 92 System.out.println("Running to line: " + bkpLine); 93 return resumeTo("MethodInvokeWithTraceOnTestTarg", bkpLine); 94 } 95 96 private void testStaticMethod( BreakpointEvent be) throws Exception { 97 System.out.println("Testing static method..."); 98 ClassType classType = getClassType("java.lang.Class"); 99 Method forName = classType.methodsByName("forName", 100 "(Ljava/lang/String;)Ljava/lang/Class;").get(0); 101 StringReference classNameParam = vm().mirrorOf("java.lang.String"); 102 classType.invokeMethod(be.thread(), forName, Collections.singletonList(classNameParam), 0); 103 104 } 105 106 private void testInstanceMethod( BreakpointEvent be) throws Exception { 107 System.out.println("Testing instance method..."); 108 ThreadReference thread = be.thread(); 109 StackFrame frame = thread.frame(0); 110 ObjectReference thisObj = frame.thisObject(); 111 LocalVariable threadVar = frame.visibleVariableByName("thread"); 112 ThreadReference threadObj = (ThreadReference)frame.getValue(threadVar); 113 114 ClassType classType = (ClassType)thisObj.referenceType(); 115 for(Method m: classType.methods()){ 116 System.out.println(m.signature() + ":" + m.name()); 117 } 118 Method printMethod = classType.methodsByName("print", 119 "(Ljava/lang/Object;)V").get(0); 120 StringReference objectToPrint = vm().mirrorOf("test string"); 121 System.out.println("Passing StringReference to instance method..."); 122 thisObj.invokeMethod(thread, printMethod, Collections.singletonList(objectToPrint), 0); 123 System.out.println("Passing ThreadReference to instance method..."); 124 thisObj.invokeMethod(thread, printMethod, Collections.singletonList(threadObj), 0); 125 126 } 127 128 private ClassType getClassType(String className) throws Exception { 129 List classes = vm().classesByName(className); 130 return (ClassType) classes.get(0); 131 } 132 133 }