NetBSD/lib/csu/m68k_elf/crt0.c
cgd c39575e265 sweep of my licenses for consistency. (no functional changes) These
files have copyright held by people in addition to myself.  (I did the
original work, they copied it, enhanced it, and added their copyright
to the derivative work.)  Their approval has been given re: the license
change.
2000-06-15 16:48:28 +00:00

103 lines
3.2 KiB
C

/* $NetBSD: crt0.c,v 1.7 2000/06/15 16:48:28 cgd Exp $ */
/*
* Copyright (c) 1999 Klaus Klein
* Copyright (c) 1995 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the
* NetBSD Project. See http://www.netbsd.org/ for
* information about NetBSD.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
*/
#include "common.h"
void __start __P((int, char **, char **, void (*cleanup) __P((void)),
const Obj_Entry *, struct ps_strings *));
__asm("
.text
.align 4
.globl _start
_start:
movl (%sp),%d0
movl %a2,-(%sp) | ps_strings
movl %a0,-(%sp) | obj
movl %a1,-(%sp) | cleanup
pea (16+4)(%sp,%d0.l*4) | envp = &argv[argc + 1]
pea 20(%sp) | argv
movl %d0,-(%sp) | argc
jsr __start
");
void
__start(argc, argv, envp, cleanup, obj, ps_strings)
int argc;
char **argv;
char **envp;
void (*cleanup) __P((void)); /* from shared loader */
const Obj_Entry *obj; /* from shared loader */
struct ps_strings *ps_strings;
{
environ = envp;
if ((__progname = argv[0]) != NULL) { /* NULL ptr if argc = 0 */
if ((__progname = _strrchr(__progname, '/')) == NULL)
__progname = argv[0];
else
__progname++;
}
if (ps_strings != (struct ps_strings *)0)
__ps_strings = ps_strings;
#ifdef DYNAMIC
if (&_DYNAMIC != NULL)
_rtld_setup(cleanup, obj);
#endif
#ifdef MCRT0
atexit(_mcleanup);
monstartup((u_long)&_eprol, (u_long)&_etext);
#endif
atexit(_fini);
_init();
exit(main(argc, argv, environ));
}
/*
* NOTE: Leave the RCS ID _after_ __start(), in case it gets placed in .text.
*/
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: crt0.c,v 1.7 2000/06/15 16:48:28 cgd Exp $");
#endif /* LIBC_SCCS and not lint */
#include "common.c"