102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/* $NetBSD: crt0.c,v 1.10 2004/08/26 21:24:09 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999 Matt Thomas
|
|
* 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(int, char **, char **, void (*cleanup)(void),
|
|
const Obj_Entry *, struct ps_strings *);
|
|
|
|
__asm(" .text;"
|
|
" .align 2;"
|
|
" .globl _start;"
|
|
" .globl __start;"
|
|
"__start:;"
|
|
"_start:;"
|
|
" .word 0x0101;"
|
|
" pushl %r9;" /* ps_strings */
|
|
" pushl %r8;" /* obj */
|
|
" pushl %r7;" /* cleanup */
|
|
" movl (%r6),%r0;" /* argc */
|
|
" pushal 8(%r6)[%r0];" /* envp = &argv[argc + 1] */
|
|
" pushal 4(%r6);" /* argv */
|
|
" pushl %r0;" /* argc */
|
|
" calls $6,___start;"
|
|
);
|
|
|
|
void
|
|
___start(int argc, char **argv, char **envp,
|
|
void (*cleanup)(void), /* from shared loader */
|
|
const Obj_Entry *obj, /* from shared loader */
|
|
struct ps_strings *ps_strings)
|
|
{
|
|
environ = envp;
|
|
|
|
if ((__progname = argv[0]) != NULL) { /* NULL ptr if argc = 0 */
|
|
if ((__progname = _strrchr(__progname, '/')) == NULL)
|
|
__progname = argv[0];
|
|
else
|
|
__progname++;
|
|
}
|
|
|
|
if (ps_strings != (struct ps_strings *)0)
|
|
__ps_strings = ps_strings;
|
|
|
|
#ifdef DYNAMIC
|
|
if (&_DYNAMIC != NULL)
|
|
_rtld_setup(cleanup, obj);
|
|
#endif
|
|
|
|
#ifdef MCRT0
|
|
atexit(_mcleanup);
|
|
monstartup((u_long)&_eprol, (u_long)&_etext);
|
|
#endif
|
|
|
|
atexit(_fini);
|
|
_init();
|
|
|
|
exit(main(argc, argv, environ));
|
|
}
|
|
|
|
/*
|
|
* NOTE: Leave the RCS ID _after_ __start(), in case it gets placed in .text.
|
|
*/
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: crt0.c,v 1.10 2004/08/26 21:24:09 thorpej Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "common.c"
|