MethodPointer.java revision 13083:b9a173f12fe6 
1/*
2 * Copyright (c) 2014, 2014, 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 */
23package org.graalvm.compiler.hotspot.word;
24
25import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.POINTER_EQ;
26import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.POINTER_NE;
27import static org.graalvm.compiler.hotspot.word.HotSpotOperation.HotspotOpcode.TO_METHOD_POINTER;
28
29import org.graalvm.api.word.Pointer;
30
31/**
32 * Marker type for a metaspace pointer to a method.
33 */
34public abstract class MethodPointer extends MetaspacePointer {
35
36    @HotSpotOperation(opcode = POINTER_EQ)
37    public abstract boolean equal(KlassPointer other);
38
39    @HotSpotOperation(opcode = POINTER_NE)
40    public abstract boolean notEqual(KlassPointer other);
41
42    @HotSpotOperation(opcode = TO_METHOD_POINTER)
43    public static native MethodPointer fromWord(Pointer pointer);
44}
45