NetBSD/lib/csu/common_elf/common.h

93 lines
3.1 KiB
C

/* $NetBSD: common.h,v 1.3 1999/08/19 20:52:36 kleink Exp $ */
/*
* 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 by Christopher G. Demetriou
* for the NetBSD Project.
* 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.
*/
#include <sys/types.h>
#include <sys/exec.h>
#include <sys/syscall.h>
#include <stdlib.h>
#ifdef DYNAMIC
#ifdef __weak_alias
#define dlopen _dlopen
#define dlclose _dlclose
#define dlsym _dlsym
#define dlerror _dlerror
#endif
#include <dlfcn.h>
#include "rtld.h"
#else
typedef void Obj_Entry;
#endif
extern int __syscall __P((int, ...));
#define _exit(v) __syscall(SYS_exit, (v))
#define write(fd, s, n) __syscall(SYS_write, (fd), (s), (n))
#define _FATAL(str) \
do { \
write(2, str, sizeof(str)); \
_exit(1); \
} while (0)
static char *_strrchr __P((char *, char));
char **environ;
char *__progname = "";
struct ps_strings *__ps_strings = 0;
extern void _init __P((void));
extern void _fini __P((void));
#ifdef DYNAMIC
void _rtld_setup __P((void (*)(void), const Obj_Entry *obj));
const Obj_Entry *__mainprog_obj;
/*
* Arrange for _DYNAMIC to be weak and undefined (and therefore to show up
* as being at address zero, unless something else defines it). That way,
* if we happen to be compiling without -static but with without any
* shared libs present, things will still work.
*/
extern int _DYNAMIC;
__weak_extern(_DYNAMIC);
#endif /* DYNAMIC */
#ifdef MCRT0
extern void monstartup __P((u_long, u_long));
extern void _mcleanup __P((void));
extern unsigned char _etext, _eprol;
#endif /* MCRT0 */
int main __P((int, char **, char **));