compat.h revision 283927 
1275680Strasz/*-
2275680Strasz * Copyright (c) 2009 Hudson River Trading LLC
3275680Strasz * Written by: John H. Baldwin <jhb@FreeBSD.org>
4275680Strasz * All rights reserved.
5275680Strasz *
6275680Strasz * Redistribution and use in source and binary forms, with or without
7275680Strasz * modification, are permitted provided that the following conditions
8275680Strasz * are met:
9275680Strasz * 1. Redistributions of source code must retain the above copyright
10275680Strasz *    notice, this list of conditions and the following disclaimer.
11275680Strasz * 2. Redistributions in binary form must reproduce the above copyright
12275680Strasz *    notice, this list of conditions and the following disclaimer in the
13275680Strasz *    documentation and/or other materials provided with the distribution.
14275680Strasz *
15275680Strasz * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16275680Strasz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17275680Strasz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18275680Strasz * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19275680Strasz * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20275680Strasz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21275680Strasz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22275680Strasz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23275680Strasz * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24275680Strasz * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25275680Strasz * SUCH DAMAGE.
26275680Strasz *
27275680Strasz * $FreeBSD: stable/10/lib/libc/include/compat.h 283927 2015-06-02 19:20:39Z jhb $
28275680Strasz */
29275680Strasz
30275680Strasz/*
31275680Strasz * This file defines compatiblity symbol versions for old system calls.  It
32275680Strasz * is included in all generated system call files.
33275680Strasz */
34275680Strasz
35275680Strasz#ifndef __LIBC_COMPAT_H__
36275680Strasz#define	__LIBC_COMPAT_H__
37275680Strasz
38275680Strasz#define	__sym_compat(sym,impl,verid)	\
39284582Strasz	.symver impl, sym@verid
40275680Strasz
41275680Strasz__sym_compat(__semctl, freebsd7___semctl, FBSD_1.0);
42316470Strasz__sym_compat(msgctl, freebsd7_msgctl, FBSD_1.0);
43275680Strasz__sym_compat(shmctl, freebsd7_shmctl, FBSD_1.0);
44284589Sallanjude
45275680Strasz#undef __sym_compat
46275680Strasz
47275680Strasz#define	__weak_reference(sym,alias)	\
48284728Sallanjude	.weak	alias;.equ	alias,sym
49284589Sallanjude
50284589Sallanjude#ifndef SYSCALL_COMPAT
51275680Strasz__weak_reference(__sys_fcntl,__fcntl_compat)
52275680Strasz#endif
53
54#undef __weak_reference
55
56#endif	/* __LIBC_COMPAT_H__ */
57
58