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 "crtbrand.c" 36#include "ignore_init.c" 37 38typedef void (*fptr)(void); 39 40#ifdef GCRT 41extern void _mcleanup(void); 42extern void monstartup(void *, void *); 43extern int eprol; 44extern int etext; 45#endif 46 47void _start(char **, void (*)(void)); 48 49/* The entry function. */ 50void 51_start(char **ap, void (*cleanup)(void)) 52{ 53 int argc; 54 char **argv; 55 char **env; 56 57 argc = *(long *)(void *)ap; 58 argv = ap + 1; 59 env = ap + 2 + argc; 60 handle_argv(argc, argv, env); 61 62 if (&_DYNAMIC != NULL) { 63 atexit(cleanup); 64 } else { 65 process_irelocs(); 66 _init_tls(); 67 } 68 69#ifdef GCRT 70 atexit(_mcleanup); 71 monstartup(&eprol, &etext); 72__asm__("eprol:"); 73#endif 74 75 handle_static_init(argc, argv, env); 76 exit(main(argc, argv, env)); 77} 78