xref: /freebsd/lib/libc/include/compat.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009 Hudson River Trading LLC
5  * Written by: John H. Baldwin <jhb@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  * This file defines compatibility symbol versions for old system calls.  It
32  * is included in all generated system call files.
33  */
34 
35 #ifndef __LIBC_COMPAT_H__
36 #define	__LIBC_COMPAT_H__
37 
38 #define	__sym_compat(sym, impl, verid)	\
39 	.symver impl, sym@verid
40 
41 #ifndef NO_COMPAT7
42 __sym_compat(__semctl, freebsd7___semctl, FBSD_1.0);
43 __sym_compat(msgctl, freebsd7_msgctl, FBSD_1.0);
44 __sym_compat(shmctl, freebsd7_shmctl, FBSD_1.0);
45 #endif
46 
47 __sym_compat(nfstat, freebsd11_nfstat, FBSD_1.0);
48 __sym_compat(nlstat, freebsd11_nlstat, FBSD_1.0);
49 __sym_compat(nstat, freebsd11_nstat, FBSD_1.0);
50 
51 __sym_compat(fhstat, freebsd11_fhstat, FBSD_1.0);
52 __sym_compat(fstat, freebsd11_fstat, FBSD_1.0);
53 __sym_compat(fstatat, freebsd11_fstatat, FBSD_1.1);
54 __sym_compat(lstat, freebsd11_lstat, FBSD_1.0);
55 __sym_compat(stat, freebsd11_stat, FBSD_1.0);
56 
57 __sym_compat(getdents, freebsd11_getdents, FBSD_1.0);
58 __sym_compat(getdirentries, freebsd11_getdirentries, FBSD_1.0);
59 
60 __sym_compat(getfsstat, freebsd11_getfsstat, FBSD_1.0);
61 __sym_compat(fhstatfs, freebsd11_fhstatfs, FBSD_1.0);
62 __sym_compat(fstatfs, freebsd11_fstatfs, FBSD_1.0);
63 __sym_compat(statfs, freebsd11_statfs, FBSD_1.0);
64 
65 __sym_compat(mknod, freebsd11_mknod, FBSD_1.0);
66 __sym_compat(mknodat, freebsd11_mknodat, FBSD_1.1);
67 
68 __sym_compat(kevent, freebsd11_kevent, FBSD_1.0);
69 
70 __sym_compat(swapoff, freebsd13_swapoff, FBSD_1.0);
71 
72 #undef __sym_compat
73 
74 #define	__weak_reference(sym,alias)	\
75 	.weak	alias;.equ	alias,sym
76 
77 __weak_reference(__sys_fcntl, __fcntl_compat)
78 
79 #undef __weak_reference
80 
81 #endif	/* __LIBC_COMPAT_H__ */
82 
83