114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/* $NetBSD: common.h,v 1.4 1996/10/18 05:36:44 thorpej Exp $ */
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/*
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* Copyright (c) 1993,1995 Paul Kranenburg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#ifdef DYNAMIC
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#include <sys/syscall.h>
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#include <a.out.h>
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#ifndef N_GETMAGIC
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#define N_GETMAGIC(x) ((x).a_magic)
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#endif
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#ifndef N_BSSADDR
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#define N_BSSADDR(x) (N_DATADDR(x)+(x).a_data)
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#endif
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#include <sys/mman.h>
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#ifdef sun
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#define MAP_COPY MAP_PRIVATE
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#define MAP_ANON 0
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#endif
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#include <link.h>
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#include <dlfcn.h>
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extern struct _dynamic _DYNAMIC;
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static void __load_rtld __P((struct _dynamic *));
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extern int __syscall __P((int, ...));
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int _callmain __P((void));
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static char *_strrchr __P((char *, char));
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#ifdef DEBUG
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static char *_getenv __P((char *));
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static int _strncmp __P((char *, char *, int));
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#endif
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#ifdef sun
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#define LDSO "/usr/lib/ld.so"
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#endif
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#ifdef BSD
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#define LDSO "/usr/libexec/ld.so"
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#endif
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/*
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* We need these system calls, but can't use library stubs
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*/
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#define _exit(v) __syscall(SYS_exit, (v))
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#define open(name, f, m) __syscall(SYS_open, (name), (f), (m))
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#define close(fd) __syscall(SYS_close, (fd))
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#define read(fd, s, n) __syscall(SYS_read, (fd), (s), (n))
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#define write(fd, s, n) __syscall(SYS_write, (fd), (s), (n))
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#define dup(fd) __syscall(SYS_dup, (fd))
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#define dup2(fd, fdnew) __syscall(SYS_dup2, (fd), (fdnew))
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#ifdef sun
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#define mmap(addr, len, prot, flags, fd, off) \
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__syscall(SYS_mmap, (addr), (len), (prot), _MAP_NEW|(flags), (fd), (off))
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#else
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#define mmap(addr, len, prot, flags, fd, off) \
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__syscall(SYS___syscall, (quad_t)SYS_mmap, (addr), (len), (prot), (flags), \
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(fd), 0, (off_t)(off))
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#endif
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#define _FATAL(str) \
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write(2, str, sizeof(str)), \
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_exit(1);
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#endif /* DYNAMIC */
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extern int main __P((int, char **, char **));
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#ifdef MCRT0
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extern void monstartup __P((u_long, u_long));
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extern void _mcleanup __P((void));
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#endif
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char **environ;
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int errno;
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static char empty[1];
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char *__progname = empty;
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#ifndef DYNAMIC
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#define _strrchr strrchr
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#endif
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extern unsigned char etext;
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extern unsigned char eprol asm ("eprol");
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