1/* $NetBSD: common.h,v 1.14 2011/02/22 05:45:06 joerg Exp $ */
2
3/*
4 * Copyright (c) 1995 Christopher G. Demetriou
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *          This product includes software developed for the
18 *          NetBSD Project.  See http://www.NetBSD.org/ for
19 *          information about NetBSD.
20 * 4. The name of the author may not be used to endorse or promote products
21 *    derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
35 */
36
37#include <sys/types.h>
38#include <sys/exec.h>
39#include <sys/syscall.h>
40
41#include <stdlib.h>
42#ifdef DYNAMIC
43#ifdef __weak_alias
44#define dlopen	_dlopen
45#define dlclose	_dlclose
46#define dlsym	_dlsym
47#define dlerror	_dlerror
48#define dladdr	_dladdr
49#endif
50#include <dlfcn.h>
51#include "rtld.h"
52#else
53typedef void Obj_Entry;
54#endif
55
56extern quad_t	__syscall(quad_t, ...);
57#define	_exit(v)	__syscall(SYS_exit, (v))
58#define	write(fd, s, n)	__syscall(SYS_write, (fd), (s), (n))
59
60#define	_FATAL(str)				\
61do {						\
62	write(2, str, sizeof(str)-1);		\
63	_exit(1);				\
64} while (0)
65
66static char	*_strrchr(char *, int);
67
68char	**environ;
69char	*__progname = "";
70struct ps_strings *__ps_strings = 0;
71
72extern void	_init(void);
73extern void	_fini(void);
74extern void	_libc_init(void);
75
76#ifdef DYNAMIC
77void	_rtld_setup(void (*)(void), const Obj_Entry *obj);
78
79/*
80 * Arrange for _DYNAMIC to be weak and undefined (and therefore to show up
81 * as being at address zero, unless something else defines it).  That way,
82 * if we happen to be compiling without -static but with without any
83 * shared libs present, things will still work.
84 */
85__weakref_visible int rtld_DYNAMIC __weak_reference(_DYNAMIC);
86#endif /* DYNAMIC */
87
88#ifdef MCRT0
89extern void	monstartup(u_long, u_long);
90extern void	_mcleanup(void);
91extern unsigned char _etext, _eprol;
92#endif /* MCRT0 */
93
94int main(int, char **, char **);
95