dlfcn.h revision 50473
133236Sjdp/* 233236Sjdp * Copyright (c) 1994 333236Sjdp * The Regents of the University of California. All rights reserved. 433236Sjdp * 533236Sjdp * Redistribution and use in source and binary forms, with or without 633236Sjdp * modification, are permitted provided that the following conditions 733236Sjdp * are met: 833236Sjdp * 1. Redistributions of source code must retain the above copyright 933236Sjdp * notice, this list of conditions and the following disclaimer. 1033236Sjdp * 2. Redistributions in binary form must reproduce the above copyright 1133236Sjdp * notice, this list of conditions and the following disclaimer in the 1233236Sjdp * documentation and/or other materials provided with the distribution. 1333236Sjdp * 3. All advertising materials mentioning features or use of this software 1433236Sjdp * must display the following acknowledgement: 1533236Sjdp * This product includes software developed by the University of 1633236Sjdp * California, Berkeley and its contributors. 1733236Sjdp * 4. Neither the name of the University nor the names of its contributors 1833236Sjdp * may be used to endorse or promote products derived from this software 1933236Sjdp * without specific prior written permission. 2033236Sjdp * 2133236Sjdp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2233236Sjdp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2333236Sjdp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2433236Sjdp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2533236Sjdp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2633236Sjdp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2733236Sjdp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2833236Sjdp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2933236Sjdp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3033236Sjdp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3133236Sjdp * SUCH DAMAGE. 3233236Sjdp * 3350473Speter * $FreeBSD: head/include/dlfcn.h 50473 1999-08-27 23:45:13Z peter $ 3433236Sjdp */ 3533236Sjdp 3633236Sjdp#ifndef _DLFCN_H_ 3733236Sjdp#define _DLFCN_H_ 3833236Sjdp#include <sys/cdefs.h> 3933236Sjdp 4033236Sjdp/* 4133236Sjdp * Modes for dlopen(). 4233236Sjdp */ 4333236Sjdp#define RTLD_LAZY 1 /* Bind function calls lazily */ 4433236Sjdp#define RTLD_NOW 2 /* Bind function calls immediately */ 4533236Sjdp 4633236Sjdp/* 4733236Sjdp * Special handle argument for dlsym(). It causes the search for the 4833236Sjdp * symbol to begin in the next shared object after the one containing 4933236Sjdp * the caller. 5033236Sjdp */ 5133236Sjdp#define RTLD_NEXT ((void *) -1) 5233236Sjdp 5333236Sjdp/* 5433236Sjdp * Structure filled in by dladdr(). 5533236Sjdp */ 5633236Sjdptypedef struct dl_info { 5733236Sjdp const char *dli_fname; /* Pathname of shared object */ 5833236Sjdp void *dli_fbase; /* Base address of shared object */ 5933236Sjdp const char *dli_sname; /* Name of nearest symbol */ 6033236Sjdp void *dli_saddr; /* Address of nearest symbol */ 6133236Sjdp} Dl_info; 6233236Sjdp 6333236Sjdp__BEGIN_DECLS 6433236Sjdpint dladdr __P((const void *, Dl_info *)); 6533236Sjdpint dlclose __P((void *)); 6633236Sjdpconst char *dlerror __P((void)); 6733236Sjdpvoid *dlopen __P((const char *, int)); 6833236Sjdpvoid *dlsym __P((void *, const char *)); 6933236Sjdp__END_DECLS 7033236Sjdp 7133236Sjdp#endif /* !_DLFCN_H_ */ 72