Mercurial > hg > graal-compiler
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.nfi/src/com/oracle/nfi/api/NativeFunctionHandle.java Tue Aug 05 15:58:11 2014 +0200 @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2013, 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 com.oracle.nfi.api; + +/** + * A handle that can be used to {@linkplain #call(Object[]) call} a native function. + */ +public interface NativeFunctionHandle { + + /** + * Calls the native function. + * <p> + * The caller is responsible for ensuring {@code args} comply with the platform ABI (e.g. <a + * href="http://www.uclibc.org/docs/psABI-x86_64.pdf"> Unix AMD64 ABI</a>). If the library + * function has struct parameters, the fields of the struct must be passed as individual + * arguments. + * + * @param args the arguments that will be passed to the native function + * @return boxed return value of the function call + */ + Object call(Object... args); + +}