Mercurial > hg > truffle
comparison graal/com.oracle.nfi/src/com/oracle/nfi/api/NativeFunctionHandle.java @ 16691:dd8449afc086
GNFI: move GNFI interfaces to oracle.nfi - interface does not depend on graal
author | Matthias Grimmer <grimmer@ssw.jku.at> |
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date | Tue, 05 Aug 2014 15:58:11 +0200 |
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16690:7e8ecfe7d2e5 | 16691:dd8449afc086 |
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1 /* | |
2 * Copyright (c) 2013, 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 package com.oracle.nfi.api; | |
24 | |
25 /** | |
26 * A handle that can be used to {@linkplain #call(Object[]) call} a native function. | |
27 */ | |
28 public interface NativeFunctionHandle { | |
29 | |
30 /** | |
31 * Calls the native function. | |
32 * <p> | |
33 * The caller is responsible for ensuring {@code args} comply with the platform ABI (e.g. <a | |
34 * href="http://www.uclibc.org/docs/psABI-x86_64.pdf"> Unix AMD64 ABI</a>). If the library | |
35 * function has struct parameters, the fields of the struct must be passed as individual | |
36 * arguments. | |
37 * | |
38 * @param args the arguments that will be passed to the native function | |
39 * @return boxed return value of the function call | |
40 */ | |
41 Object call(Object... args); | |
42 | |
43 } |