| /* |
| * Copyright (c) 2010, 2018, 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. |
| */ |
| |
| package vm.mlvm.indy.func.jvmti.redefineClassInBootstrap; |
| |
| import java.lang.invoke.CallSite; |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| |
| import vm.mlvm.share.MlvmTest; |
| |
| public class INDIFY_Dummy0 { |
| |
| private static MethodType MT_bootstrap() { |
| return MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class); |
| } |
| |
| private static MethodHandle MH_bootstrap() throws NoSuchMethodException, IllegalAccessException { |
| return MethodHandles.lookup().findStatic( |
| INDIFY_Dummy0.class, |
| "bootstrap", |
| MT_bootstrap()); |
| } |
| |
| public static CallSite bootstrap(MethodHandles.Lookup l, String name, MethodType mt) throws Throwable { |
| MlvmTest.getLog().display("Original bootstrap(): Lookup " + l + "; method name = " + name + "; method type = " + mt); |
| redefineNow(); |
| throw new RuntimeException("Bootstrap method has not been redefined. Test failed."); |
| } |
| |
| public static Boolean target(Object o, String s, int i) { |
| MlvmTest.getLog().display("Original target called! Object = " + o + "; string = " + s + "; int = " + i); |
| MlvmTest.getLog().display("The rest of methods are from " + (isRedefinedClass() ? "redefined" : "original") + " class"); |
| return false; |
| } |
| |
| public static void redefineNow() {} |
| |
| private static MethodHandle INDY_call; |
| private static MethodHandle INDY_call() throws Throwable { |
| if (INDY_call != null) |
| return INDY_call; |
| |
| CallSite cs = (CallSite) MH_bootstrap().invokeWithArguments( |
| MethodHandles.lookup(), |
| "greet", |
| MethodType.methodType(Boolean.class, Object.class, String.class, int.class)); |
| |
| return cs.dynamicInvoker(); |
| } |
| |
| public static boolean invokeTarget() throws Throwable { |
| return invokeTarget0(); |
| } |
| |
| private static boolean invokeTarget0() throws Throwable { |
| //return (boolean) InvokeDynamic.greet(new Object(), "Redefined", 456); |
| Object o = new Object(); |
| String s = "Original"; |
| int i = 456; |
| return (Boolean) INDY_call().invokeExact(o, s, i); |
| } |
| |
| public static boolean isRedefinedClass() { |
| return false; |
| } |
| } |