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 41 interpos_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(creat, __libc_creat), 48 SLOT(fcntl, __fcntl_compat), 49 SLOT(fsync, __sys_fsync), 50 SLOT(fork, __sys_fork), 51 SLOT(msync, __sys_msync), 52 SLOT(nanosleep, __sys_nanosleep), 53 SLOT(open, __sys_open), 54 SLOT(openat, __sys_openat), 55 SLOT(poll, __sys_poll), 56 SLOT(pselect, __sys_pselect), 57 SLOT(raise, __libc_raise), 58 SLOT(read, __sys_read), 59 SLOT(readv, __sys_readv), 60 SLOT(recvfrom, __sys_recvfrom), 61 SLOT(recvmsg, __sys_recvmsg), 62 SLOT(select, __sys_select), 63 SLOT(sendmsg, __sys_sendmsg), 64 SLOT(sendto, __sys_sendto), 65 SLOT(setcontext, __sys_setcontext), 66 SLOT(sigaction, __sys_sigaction), 67 SLOT(sigprocmask, __sys_sigprocmask), 68 SLOT(sigsuspend, __sys_sigsuspend), 69 SLOT(sigwait, __libc_sigwait), 70 SLOT(sigtimedwait, __sys_sigtimedwait), 71 SLOT(sigwaitinfo, __sys_sigwaitinfo), 72 SLOT(swapcontext, __sys_swapcontext), 73 SLOT(system, __libc_system), 74 SLOT(sleep, __libc_sleep), 75 SLOT(tcdrain, __libc_tcdrain), 76 SLOT(usleep, __libc_usleep), 77 SLOT(pause, __libc_pause), 78 SLOT(wait, __libc_wait), 79 SLOT(wait3, __libc_wait3), 80 SLOT(wait4, __sys_wait4), 81 SLOT(waitpid, __libc_waitpid), 82 SLOT(write, __sys_write), 83 SLOT(writev, __sys_writev), 84 SLOT(_pthread_mutex_init_calloc_cb, _pthread_mutex_init_calloc_cb_stub), 85 }; 86 #undef SLOT 87 88 interpos_func_t * 89 __libc_interposing_slot(int interposno) 90 { 91 92 return (&__libc_interposing[interposno]); 93 } 94