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/* $OpenBSD: common.h,v 1.2 1998/05/14 17:36:26 niklas Exp $ */
/* $NetBSD: common.h,v 1.3 1995/06/15 21:41:48 pk Exp $ */
/*
* Copyright (c) 1993,1995 Paul Kranenburg
* 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 Paul Kranenburg.
* 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 <string.h>
#ifdef DYNAMIC
#include <sys/syscall.h>
#include <a.out.h>
#ifndef N_GETMAGIC
#define N_GETMAGIC(x) ((x).a_magic)
#endif
#ifndef N_BSSADDR
#define N_BSSADDR(x) (N_DATADDR(x)+(x).a_data)
#endif
#include <sys/mman.h>
#ifdef sun
#define MAP_COPY MAP_PRIVATE
#define MAP_ANON 0
#endif
#include <link.h>
#include <dlfcn.h>
extern struct _dynamic _DYNAMIC;
static void __load_rtld __P((struct _dynamic *));
extern int __syscall __P((int, ...));
int _callmain __P((void));
static char *_strrchr __P((char *, char));
#ifdef DEBUG
static char *_getenv __P((char *));
static int _strncmp __P((char *, char *, int));
#endif
#ifdef sun
#define LDSO "/usr/lib/ld.so"
#endif
#ifdef BSD
#define LDSO "/usr/libexec/ld.so"
#endif
/*
* We need these system calls, but can't use library stubs
*/
#define _exit(v) __syscall(SYS_exit, (v))
#define open(name, f, m) __syscall(SYS_open, (name), (f), (m))
#define close(fd) __syscall(SYS_close, (fd))
#define read(fd, s, n) __syscall(SYS_read, (fd), (s), (n))
#define write(fd, s, n) __syscall(SYS_write, (fd), (s), (n))
#define dup(fd) __syscall(SYS_dup, (fd))
#define dup2(fd, fdnew) __syscall(SYS_dup2, (fd), (fdnew))
#ifdef sun
#define mmap(addr, len, prot, flags, fd, off) \
__syscall(SYS_mmap, (addr), (len), (prot), _MAP_NEW|(flags), (fd), (off))
#else
#define mmap(addr, len, prot, flags, fd, off) \
__syscall(SYS___syscall, (quad_t)SYS_mmap, (addr), (len), (prot), (flags), \
(fd), 0, (off_t)(off))
#endif
#define _FATAL(str) \
write(2, str, sizeof(str)), \
_exit(1);
#endif /* DYNAMIC */
extern int main __P((int, char **, char **));
#ifdef MCRT0
extern void monstartup __P((u_long, u_long));
extern void _mcleanup __P((void));
#endif
char **environ;
int errno;
static char empty[1];
char *__progname = empty;
#ifndef DYNAMIC
#define _strrchr strrchr
#endif
extern unsigned char etext;
extern unsigned char eprol asm ("eprol");
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