xref: /freebsd/lib/csu/aarch64/crt1_c.c (revision 4d846d26)
1 /* LINTLIBRARY */
2 /*-
3  * Copyright 1996-1998 John D. Polstra.
4  * Copyright 2014 Andrew Turner.
5  * Copyright 2014-2015 The FreeBSD Foundation.
6  * All rights reserved.
7  *
8  * Portions of this software were developed by Andrew Turner
9  * under sponsorship from the FreeBSD Foundation.
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  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34 
35 #include "libc_private.h"
36 #include "csu_common.h"
37 
38 void __start(int, char **, char **, void (*)(void)) __dead2;
39 
40 /* The entry function. */
41 void
42 __start(int argc, char *argv[], char *env[], void (*cleanup)(void))
43 {
44 #ifdef GCRT
45 	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
46 __asm__("eprol:");
47 #else
48 	__libc_start1(argc, argv, env, cleanup, main);
49 #endif
50 }
51