/* $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");