1 /* $NetBSD: crt0.c,v 1.4 2011/03/07 05:09:10 joerg Exp $ */
4 * Copyright (c) 1997 Jason R. Thorpe.
5 * Copyright (c) 1995 Christopher G. Demetriou
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the
19 * NetBSD Project. See http://www.NetBSD.org/ for
20 * information about NetBSD.
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.
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.
35 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
41 * Small Data Area designators. If not defined, will show up as being
44 extern int _SDA_BASE_
[];
45 __weak_extern(_SDA_BASE_
);
46 extern int _SDA2_BASE_
[];
47 __weak_extern(_SDA2_BASE_
);
50 * First 5 arguments are specified by the PowerPC SVR4 ABI. The
51 * last argument, ps_strings, is a NetBSD extension.
53 void _start(int, char **, char **, const Obj_Entry
*,
54 void (*)(void), struct ps_strings
*);
57 _start(int argc
, char **argv
, char **envp
,
58 const Obj_Entry
*obj
, /* from shared loader */
59 void (*cleanup
)(void), /* from shared loader */
60 struct ps_strings
*ps_strings
) /* NetBSD extension */
64 if ((namep
= argv
[0]) != NULL
) { /* NULL ptr if argc = 0 */
65 if ((__progname
= _strrchr(namep
, '/')) == NULL
)
73 if (ps_strings
!= (struct ps_strings
*)0)
74 __ps_strings
= ps_strings
;
77 if (&rtld_DYNAMIC
!= NULL
)
78 _rtld_setup(cleanup
, obj
);
85 monstartup((u_long
)&_eprol
, (u_long
)&_etext
);
91 exit(main(argc
, argv
, environ
));
95 * NOTE: Leave the RCS ID _after_ __start(), in case it gets placed in .text.
97 #if defined(LIBC_SCCS) && !defined(lint)
98 __RCSID("$NetBSD: crt0.c,v 1.4 2011/03/07 05:09:10 joerg Exp $");
99 #endif /* LIBC_SCCS and not lint */