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_indy2manySame_b; 25 26 import java.lang.invoke.CallSite; 27 import java.lang.invoke.MethodHandle; 28 import java.lang.invoke.MethodHandles; 29 import java.lang.invoke.MethodType; 30 31 import vm.mlvm.share.MlvmTest; 32 33 public class INDIFY_Dummy0 { 34 35 private static MethodType MT_bootstrap() { 36 return MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class); 37 } 38 39 private static MethodHandle MH_bootstrap() throws NoSuchMethodException, IllegalAccessException { 40 return MethodHandles.lookup().findStatic( 41 INDIFY_Dummy0.class, 42 "bootstrap", 43 MT_bootstrap()); 44 } 45 46 public static CallSite bootstrap(MethodHandles.Lookup l, String name, MethodType mt) throws Throwable { 47 MlvmTest.getLog().display("Original bootstrap(): Lookup " + l + "; method name = " + name + "; method type = " + mt); 48 redefineNow(); 49 throw new RuntimeException("Bootstrap method has not been redefined. Test failed."); 50 } 51 52 public static Boolean target(Object o, String s, int i) { 53 throw new RuntimeException("Original target method was called. Test failed."); 54 } 55 56 public static void redefineNow() {} 57 58 private static MethodHandle INDY_call; 59 private static MethodHandle INDY_call() throws Throwable { 60 if (INDY_call != null) 61 return INDY_call; 62 63 CallSite cs = (CallSite) MH_bootstrap().invokeWithArguments( 64 MethodHandles.lookup(), 65 "greet", 66 MethodType.methodType(Boolean.class, Object.class, String.class, int.class)); 67 68 return cs.dynamicInvoker(); 69 } 70 71 public static boolean invokeTarget() throws Throwable { 72 return invokeTarget0(); 73 } 74 75 private static boolean invokeTarget0() throws Throwable { 76 Object o = new Object(); 77 String s = "Original"; 78 int i = 456; 79 return (Boolean) INDY_call().invokeExact(o, s, i); 80 } 81 82 public static boolean isRedefinedClass() { 83 return false; 84 } 85 }