1 /* 2 * Copyright (c) 2014, 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 25 package org.graalvm.compiler.hotspot.word; 26 27 import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.POINTER_EQ; 28 import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.POINTER_NE; 29 import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.TO_METHOD_POINTER; 30 31 import jdk.internal.vm.compiler.word.Pointer; 32 33 /** 34 * Marker type for a metaspace pointer to a method. 35 */ 36 public abstract class MethodPointer extends MetaspacePointer { 37 38 @HotSpotOperation(opcode = POINTER_EQ) equal(KlassPointer other)39 public abstract boolean equal(KlassPointer other); 40 41 @HotSpotOperation(opcode = POINTER_NE) notEqual(KlassPointer other)42 public abstract boolean notEqual(KlassPointer other); 43 44 @HotSpotOperation(opcode = TO_METHOD_POINTER) fromWord(Pointer pointer)45 public static native MethodPointer fromWord(Pointer pointer); 46 } 47