| /* |
| * 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); |
| } |
| } |