1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright 1996-1998 John D. Polstra.
5 * All rights reserved.
6 * Copyright (c) 1995 Christopher G. Demetriou
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed by Christopher G. Demetriou
20 *    for the NetBSD Project.
21 * 4. The name of the author may not be used to endorse or promote products
22 *    derived from this software without specific prior written permission
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $FreeBSD$
36 */
37
38#include <sys/cdefs.h>
39__FBSDID("$FreeBSD$");
40
41#include <stdlib.h>
42#include "libc_private.h"
43#include "crtbrand.c"
44#include "ignore_init.c"
45
46struct Struct_Obj_Entry;
47struct ps_strings;
48
49#ifdef GCRT
50extern void _mcleanup(void);
51extern void monstartup(void *, void *);
52extern int eprol;
53extern int etext;
54#endif
55
56void __start(char **, void (*)(void), struct Struct_Obj_Entry *, struct ps_strings *);
57
58/* The entry function. */
59void
60__start(char **ap,
61	void (*cleanup)(void),			/* from shared loader */
62	struct Struct_Obj_Entry *obj __unused,	/* from shared loader */
63	struct ps_strings *ps_strings __unused)
64{
65	int argc;
66	char **argv;
67	char **env;
68
69	argc = * (long *) ap;
70	argv = ap + 1;
71	env  = ap + 2 + argc;
72	handle_argv(argc, argv, env);
73
74	if (&_DYNAMIC != NULL)
75		atexit(cleanup);
76	else
77		_init_tls();
78
79#ifdef GCRT
80	atexit(_mcleanup);
81	monstartup(&eprol, &etext);
82#endif
83
84	handle_static_init(argc, argv, env);
85	exit(main(argc, argv, env));
86}
87
88#ifdef GCRT
89__asm__(".text");
90__asm__("eprol:");
91__asm__(".previous");
92#endif
93