NetBSD/lib/libc/dlfcn/dlfcn_stubs.c
minoura 78b105698a Move dl* function definitions to libc on ELF.
Based on the patch supplied by Takuya Shiozaki <tshiozak@astec.co.jp>.
See http://mail-index.netbsd.org/tech-userlevel/2000/02/23/0000.html.
2000-04-02 15:35:47 +00:00

100 lines
2.7 KiB
C

/* $NetBSD: dlfcn_stubs.c,v 1.1 2000/04/02 15:35:52 minoura Exp $ */
/*
* Copyright (c) 1995 Christopher G. Demetriou
* 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 Christopher G. Demetriou
* for the NetBSD Project.
* 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.
*/
/*
* NOT A STANDALONE FILE!
*/
void *
dlopen(name, mode)
const char *name;
int mode;
{
if (__mainprog_obj == NULL)
return NULL;
return (__mainprog_obj->dlopen)(name, mode);
}
int
dlclose(fd)
void *fd;
{
if (__mainprog_obj == NULL)
return -1;
return (__mainprog_obj->dlclose)(fd);
}
void *
dlsym(fd, name)
void *fd;
const char *name;
{
if (__mainprog_obj == NULL)
return NULL;
return (__mainprog_obj->dlsym)(fd, name);
}
#if 0 /* not supported for ELF shlibs, apparently */
int
dlctl(fd, cmd, arg)
void *fd, *arg;
int cmd;
{
if (__mainprog_obj == NULL)
return -1;
return (__mainprog_obj->dlctl)(fd, cmd, arg);
}
#endif
__aconst char *
dlerror()
{
if (__mainprog_obj == NULL)
return ("Dynamic linker interface not available");
return (__mainprog_obj->dlerror)();
}
int
dladdr(const void *addr, Dl_info *dli)
{
if (__mainprog_obj == NULL)
return -1;
return (__mainprog_obj->dladdr)(addr, dli);
}