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