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#ifndef __GNUC__
40#error "GCC is needed to compile this file"
41#endif
42
43#include <stdlib.h>
44#include "libc_private.h"
45#include "crtbrand.c"
46#include "ignore_init.c"
47
48struct Struct_Obj_Entry;
49struct ps_strings;
50
51#ifdef GCRT
52extern void _mcleanup(void);
53extern void monstartup(void *, void *);
54extern int eprol;
55extern int etext;
56#endif
57
58void __start(char **, void (*)(void), struct Struct_Obj_Entry *, struct ps_strings *);
59
60/* The entry function. */
61void
62__start(char **ap,
63	void (*cleanup)(void),			/* from shared loader */
64	struct Struct_Obj_Entry *obj __unused,	/* from shared loader */
65	struct ps_strings *ps_strings __unused)
66{
67	int argc;
68	char **argv;
69	char **env;
70
71	argc = * (long *) ap;
72	argv = ap + 1;
73	env  = ap + 2 + argc;
74	handle_argv(argc, argv, env);
75
76	if (&_DYNAMIC != NULL)
77		atexit(cleanup);
78	else
79		_init_tls();
80
81#ifdef GCRT
82	atexit(_mcleanup);
83	monstartup(&eprol, &etext);
84#endif
85
86	handle_static_init(argc, argv, env);
87	exit(main(argc, argv, env));
88}
89
90#ifdef GCRT
91__asm__(".text");
92__asm__("eprol:");
93__asm__(".previous");
94#endif
95