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