1 /*
2 * Copyright (c) 2014 The FreeBSD Foundation.
3 *
4 * Portions of this software were developed by Konstantin Belousov
5 * under sponsorship from the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice(s), this list of conditions and the following disclaimer as
12 * the first lines of this file unmodified other than the possible
13 * addition of one or more copyright notices.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice(s), this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
26 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/types.h>
33 #include "libc_private.h"
34
35 #define SLOT(a, b) \
36 [INTERPOS_##a] = (interpos_func_t)b
37 static interpos_func_t __libsys_interposing[INTERPOS_MAX] = {
38 SLOT(accept, __sys_accept),
39 SLOT(accept4, __sys_accept4),
40 SLOT(aio_suspend, __sys_aio_suspend),
41 SLOT(close, __sys_close),
42 SLOT(connect, __sys_connect),
43 SLOT(fcntl, __sys_fcntl),
44 SLOT(fsync, __sys_fsync),
45 SLOT(fork, __sys_fork),
46 SLOT(msync, __sys_msync),
47 SLOT(nanosleep, __sys_nanosleep),
48 SLOT(openat, __sys_openat),
49 SLOT(poll, __sys_poll),
50 SLOT(pselect, __sys_pselect),
51 SLOT(read, __sys_read),
52 SLOT(readv, __sys_readv),
53 SLOT(recvfrom, __sys_recvfrom),
54 SLOT(recvmsg, __sys_recvmsg),
55 SLOT(select, __sys_select),
56 SLOT(sendmsg, __sys_sendmsg),
57 SLOT(sendto, __sys_sendto),
58 SLOT(setcontext, __sys_setcontext),
59 SLOT(sigaction, __sys_sigaction),
60 SLOT(sigprocmask, __sys_sigprocmask),
61 SLOT(sigsuspend, __sys_sigsuspend),
62 SLOT(sigwait, __libsys_sigwait),
63 SLOT(sigtimedwait, __sys_sigtimedwait),
64 SLOT(sigwaitinfo, __sys_sigwaitinfo),
65 SLOT(swapcontext, __sys_swapcontext),
66 SLOT(wait4, __sys_wait4),
67 SLOT(write, __sys_write),
68 SLOT(writev, __sys_writev),
69 SLOT(kevent, __sys_kevent),
70 SLOT(wait6, __sys_wait6),
71 SLOT(ppoll, __sys_ppoll),
72 SLOT(fdatasync, __sys_fdatasync),
73 SLOT(clock_nanosleep, __sys_clock_nanosleep),
74 SLOT(pdfork, __sys_pdfork),
75 };
76 #undef SLOT
77
78 interpos_func_t *
__libsys_interposing_slot(int interposno)79 __libsys_interposing_slot(int interposno)
80 {
81 return (&__libsys_interposing[interposno]);
82 }
83