1 /* 2 * Copyright (c) 2013, 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 package vm.mlvm.indy.func.jvmti.mergeCP_none2indy_b; 25 26 import vm.mlvm.share.MlvmTest; 27 28 import java.lang.invoke.*; 29 30 public class INDIFY_Dummy0 { 31 private static MethodType MT_bootstrap() { 32 return MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class); 33 } 34 35 private static MethodHandle MH_bootstrap() throws NoSuchMethodException, IllegalAccessException { 36 return MethodHandles.lookup().findStatic( 37 INDIFY_Dummy0.class, 38 "bootstrap", 39 MT_bootstrap()); 40 } 41 42 public static CallSite bootstrap(MethodHandles.Lookup l, String name, MethodType mt) throws Throwable { 43 MlvmTest.getLog().display("Original bootstrap(): Lookup " + l + "; method name = " + name + "; method type = " + mt); 44 CallSite cs = new ConstantCallSite(l.findStatic(INDIFY_Dummy0.class, "target", mt)); 45 return cs; 46 } 47 48 public static Boolean target(Object o, String s, int i) { 49 redefineNow(); 50 throw new RuntimeException("Original target method was called instead of the redefined one. Test failed."); 51 } 52 53 public static void redefineNow() {} 54 55 private static MethodHandle INDY_call; 56 private static MethodHandle INDY_call() throws Throwable { 57 if (INDY_call != null) 58 return INDY_call; 59 60 CallSite cs = (CallSite) MH_bootstrap().invokeWithArguments( 61 MethodHandles.lookup(), 62 "greet", 63 MethodType.methodType(Boolean.class, Object.class, String.class, 64 int.class)); 65 66 return cs.dynamicInvoker(); 67 } 68 public static boolean invokeTarget() throws Throwable { 69 return invokeTarget0(); 70 } 71 72 private static boolean invokeTarget0() throws Throwable { 73 Object o = new Object(); 74 String s = "Original"; 75 int i = 456; 76 return target(o, s, i); 77 } 78 79 public static boolean isRedefinedClass() { 80 return false; 81 } 82 }