1 /* LINTLIBRARY */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright 1996-1998 John D. Polstra. 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 ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <stdlib.h> 33 34 #include "libc_private.h" 35 #include "ignore_init.c" 36 37 #ifdef GCRT 38 extern void _mcleanup(void); 39 extern void monstartup(void *, void *); 40 extern int eprol; 41 extern int etext; 42 #endif 43 44 void _start(char **, void (*)(void)); 45 46 /* The entry function. */ 47 void 48 _start(char **ap, void (*cleanup)(void)) 49 { 50 int argc; 51 char **argv; 52 char **env; 53 54 argc = *(long *)(void *)ap; 55 argv = ap + 1; 56 env = ap + 2 + argc; 57 handle_argv(argc, argv, env); 58 59 if (&_DYNAMIC != NULL) { 60 atexit(cleanup); 61 } else { 62 process_irelocs(); 63 _init_tls(); 64 } 65 66 #ifdef GCRT 67 atexit(_mcleanup); 68 monstartup(&eprol, &etext); 69 __asm__("eprol:"); 70 #endif 71 72 handle_static_init(argc, argv, env); 73 exit(main(argc, argv, env)); 74 } 75