1/* LINTLIBRARY */
2/*-
3 * Copyright 2001 David E. O'Brien.
4 * All rights reserved.
5 * Copyright 1996-1998 John D. Polstra.
6 * All rights reserved.
7 * Copyright (c) 1997 Jason R. Thorpe.
8 * Copyright (c) 1995 Christopher G. Demetriou
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *          This product includes software developed for the
22 *          FreeBSD Project.  See http://www.freebsd.org/ for
23 *          information about FreeBSD.
24 *          This product includes software developed for the
25 *          NetBSD Project.  See http://www.netbsd.org/ for
26 *          information about NetBSD.
27 * 4. The name of the author may not be used to endorse or promote products
28 *    derived from this software without specific prior written permission
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
33 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 */
41
42#include <sys/cdefs.h>
43__FBSDID("$FreeBSD$");
44
45#include <stdlib.h>
46
47#include "libc_private.h"
48#include "crtbrand.c"
49#include "ignore_init.c"
50
51struct Struct_Obj_Entry;
52struct ps_strings;
53
54#ifdef GCRT
55extern void _mcleanup(void);
56extern void monstartup(void *, void *);
57extern int eprol;
58extern int etext;
59#endif
60
61struct ps_strings *__ps_strings;
62
63void _start(int, char **, char **, const struct Struct_Obj_Entry *,
64    void (*)(void), struct ps_strings *);
65
66/* The entry function. */
67/*
68 * First 5 arguments are specified by the PowerPC SVR4 ABI.
69 * The last argument, ps_strings, is a BSD extension.
70 */
71/* ARGSUSED */
72void
73_start(int argc, char **argv, char **env,
74    const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void),
75    struct ps_strings *ps_strings)
76{
77
78
79	handle_argv(argc, argv, env);
80
81	if (ps_strings != (struct ps_strings *)0)
82		__ps_strings = ps_strings;
83
84	if (&_DYNAMIC != NULL)
85		atexit(cleanup);
86	else
87		_init_tls();
88
89#ifdef GCRT
90	atexit(_mcleanup);
91	monstartup(&eprol, &etext);
92#endif
93
94	handle_static_init(argc, argv, env);
95	exit(main(argc, argv, env));
96}
97
98#ifdef GCRT
99__asm__(".text");
100__asm__("eprol:");
101__asm__(".previous");
102#endif
103