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