freebsd-dev/lib/csu/powerpc/crt1.c
Mark Murray 828191256b The main reason for this is to reduce diffs between all the crt1.c's.
Assembler macros are tidied up and made as similar as sanely possible.
The macros are translated into C (__inline static) functions for lint.

Declaration orders are made the same.
Declarations are all ISOfied and tidied up.

Comment contents have gratuitous diffs removed.

The net result is a bunch of crt1.c's that are 90% the same.
It may be possible to now encapsulate the differences in one
MD header, and have only one MI crt1.c file (although the macros
to do this may be ugly).

Helpful comments by:	obrien, bde
Alpha tested by:	des
i386-elf tested by:	markm
2002-07-16 12:28:50 +00:00

121 lines
3.6 KiB
C

/*-
* Copyright 2001 David E. O'Brien.
* All rights reserved.
* Copyright 1996-1998 John D. Polstra.
* All rights reserved.
* Copyright (c) 1997 Jason R. Thorpe.
* 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
* FreeBSD Project. See http://www.freebsd.org/ for
* information about FreeBSD.
* 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.
*/
#ifndef lint
#ifndef __GNUC__
#error "GCC is needed to compile this file"
#endif
#endif /* lint */
#include <stdlib.h>
#include "libc_private.h"
#include "crtbrand.c"
struct Struct_Obj_Entry;
struct ps_strings;
extern int _DYNAMIC;
#pragma weak _DYNAMIC
extern void _fini(void);
extern void _init(void);
extern int main(int, char **, char **);
extern void _start(int, char **, char **, const struct Struct_Obj_Entry *,
void (*)(void), struct ps_strings *);
#ifdef GCRT
extern void _mcleanup(void);
extern void monstartup(void *, void *);
extern int eprol;
extern int etext;
#endif
char **environ;
const char *__progname = "";
struct ps_strings *__ps_strings;
/* The entry function. */
/*
* First 5 arguments are specified by the PowerPC SVR4 ABI.
* The last argument, ps_strings, is a BSD extension.
*/
/* ARGSUSED */
void
_start(int argc, char **argv, char **env,
const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void),
struct ps_strings *ps_strings)
{
const char *s;
environ = env;
if (argc > 0 && argv[0] != NULL) {
__progname = argv[0];
for (s = __progname; *s != '\0'; s++)
if (*s == '/')
__progname = s + 1;
}
if (ps_strings != (struct ps_strings *)0)
__ps_strings = ps_strings;
if (&_DYNAMIC != NULL)
atexit(cleanup);
#ifdef GCRT
atexit(_mcleanup);
#endif
atexit(_fini);
#ifdef GCRT
monstartup(&eprol, &etext);
#endif
_init();
exit( main(argc, argv, env) );
}
#ifdef GCRT
__asm__(".text");
__asm__("eprol:");
__asm__(".previous");
#endif
__asm__(".ident\t\"$FreeBSD$\"");