1/*
2 * Copyright (c) 2014 The FreeBSD Foundation.
3 * All rights reserved.
4 *
5 * Portions of this software were developed by Konstantin Belousov
6 * under sponsorship from the FreeBSD Foundation.
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(s), this list of conditions and the following disclaimer as
13 *    the first lines of this file unmodified other than the possible
14 *    addition of one or more copyright notices.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice(s), this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
29 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD$");
35
36#include <sys/types.h>
37#include "libc_private.h"
38
39#define	SLOT(a, b) \
40	[INTERPOS_##a] = (interpos_func_t)b
41interpos_func_t __libc_interposing[INTERPOS_MAX] = {
42	// SLOT(accept, __sys_accept),
43	// SLOT(accept4, __sys_accept4),
44	// SLOT(aio_suspend, __sys_aio_suspend),
45	// SLOT(close, __sys_close),
46	// SLOT(connect, __sys_connect),
47	// SLOT(fcntl, __sys_fcntl),
48	// SLOT(fsync, __sys_fsync),
49	// SLOT(fork, __sys_fork),
50	// SLOT(msync, __sys_msync),
51	// SLOT(nanosleep, __sys_nanosleep),
52	// SLOT(openat, __sys_openat),
53	// SLOT(poll, __sys_poll),
54	// SLOT(pselect, __sys_pselect),
55	// SLOT(read, __sys_read),
56	// SLOT(readv, __sys_readv),
57	// SLOT(recvfrom, __sys_recvfrom),
58	// SLOT(recvmsg, __sys_recvmsg),
59	// SLOT(select, __sys_select),
60	// SLOT(sendmsg, __sys_sendmsg),
61	// SLOT(sendto, __sys_sendto),
62	// SLOT(setcontext, __sys_setcontext),
63	// SLOT(sigaction, __sys_sigaction),
64	// SLOT(sigprocmask, __sys_sigprocmask),
65	// SLOT(sigsuspend, __sys_sigsuspend),
66	// SLOT(sigwait, __libc_sigwait),
67	// SLOT(sigtimedwait, __sys_sigtimedwait),
68	// SLOT(sigwaitinfo, __sys_sigwaitinfo),
69	// SLOT(swapcontext, __sys_swapcontext),
70	// SLOT(system, __libc_system),
71	// SLOT(tcdrain, __libc_tcdrain),
72	// SLOT(wait4, __sys_wait4),
73	// SLOT(write, __sys_write),
74	// SLOT(writev, __sys_writev),
75	// SLOT(_pthread_mutex_init_calloc_cb, _pthread_mutex_init_calloc_cb_stub),
76	// SLOT(spinlock, __libc_spinlock_stub),
77	// SLOT(spinunlock, __libc_spinunlock_stub),
78	// SLOT(kevent, __sys_kevent),
79	// SLOT(wait6, __sys_wait6),
80	// SLOT(ppoll, __sys_ppoll),
81	// SLOT(map_stacks_exec, __libc_map_stacks_exec),
82	// SLOT(fdatasync, __sys_fdatasync),
83};
84#undef SLOT
85
86interpos_func_t *
87__libc_interposing_slot(int interposno)
88{
89
90	return (&__libc_interposing[interposno]);
91}
92