interposing_table.c revision 281454
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: stable/10/lib/libc/sys/interposing_table.c 281454 2015-04-12 06:52:43Z kib $"); 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, __fcntl_compat), 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}; 80#undef SLOT 81 82interpos_func_t * 83__libc_interposing_slot(int interposno) 84{ 85 86 return (&__libc_interposing[interposno]); 87} 88