/*
 * Copyright (c) 2023, 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.
 */

#include <errno.h>

#ifdef _WIN64
#define EXPORT __declspec(dllexport)
#else
#define EXPORT
#endif

EXPORT void empty() {}

EXPORT int identity(int value) {
    return value;
}

// 128 bit struct returned in buffer on SysV
struct Big {
    long long x;
    long long y;
};

EXPORT struct Big with_return_buffer() {
    struct Big b;
    b.x = 10;
    b.y = 11;
    return b;
}

EXPORT void do_upcall(void(*f)(void)) {
    f();
}