--- /dev/null 2015-10-08 07:26:22.000000000 -1000 +++ new/test/compiler/jvmci/common/CTVMUtilities.java 2015-10-08 07:26:22.000000000 -1000 @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015, 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 compiler.jvmci.common; + +import java.lang.reflect.Field; +import java.lang.reflect.Executable; +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; +import jdk.vm.ci.hotspot.CompilerToVMHelper; +import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; + +public class CTVMUtilities { + /* + * A method to return HotSpotResolvedJavaMethod object using class object + * and method as input + */ + public static HotSpotResolvedJavaMethodImpl getResolvedMethod(Class cls, + Executable method) { + if (!(method instanceof Method || method instanceof Constructor)) { + throw new Error("wrong executable type " + method.getClass()); + } + Field slotField; + int slot; + try { + slotField = method.getClass().getDeclaredField("slot"); + boolean old = slotField.isAccessible(); + slotField.setAccessible(true); + slot = slotField.getInt(method); + slotField.setAccessible(old); + } catch (ReflectiveOperationException e) { + throw new Error("TEST BUG: Can't get slot field", e); + } + return CompilerToVMHelper.getResolvedJavaMethodAtSlot(cls, slot); + } + + public static HotSpotResolvedJavaMethodImpl getResolvedMethod( + Executable method) { + return getResolvedMethod(method.getDeclaringClass(), method); + } +}