77a275d732
new flag bit. Keep RTLD_GLOBAL as an actual flag bit so it won't be
re-used, or may be used for something later. Mask the dlopen() mode bits
in ld.elf_so so a comparison against RTLD_NOW works. (RTLD_{LOCAL,GLOBAL}
needs to be implemented for ld.elf_so.)
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/* $NetBSD: dlfcn.h,v 1.8 1998/07/14 22:18:36 tv Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 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 withough 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.
|
|
*/
|
|
|
|
#ifndef _DLFCN_H_
|
|
#define _DLFCN_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#if !defined(_XOPEN_SOURCE)
|
|
typedef struct _dl_info {
|
|
const char *dli_fname; /* File defining the symbol */
|
|
void *dli_fbase; /* Base address */
|
|
const char *dli_sname; /* Symbol name */
|
|
void *dli_saddr; /* Symbol address */
|
|
} Dl_info;
|
|
#endif /* !defined(_XOPEN_SOURCE) */
|
|
|
|
/*
|
|
* User interface to the run-time linker.
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern void *dlopen __P((const char *, int));
|
|
extern int dlclose __P((void *));
|
|
extern void *dlsym __P((void *, const char *));
|
|
#if !defined(_XOPEN_SOURCE)
|
|
extern int dladdr __P((void *, Dl_info *));
|
|
extern int dlctl __P((void *, int, void *));
|
|
#endif
|
|
extern char *dlerror __P((void));
|
|
__END_DECLS
|
|
|
|
/* Values for dlopen `mode'. */
|
|
#define RTLD_LAZY 1
|
|
#define RTLD_NOW 2
|
|
#define RTLD_GLOBAL 0x100 /* Allow global searches in object */
|
|
#define RTLD_LOCAL 0x200
|
|
#if !defined(_XOPEN_SOURCE)
|
|
#define DL_LAZY RTLD_LAZY /* Compat */
|
|
#endif
|
|
|
|
/*
|
|
* dlctl() commands
|
|
*/
|
|
#if !defined(_XOPEN_SOURCE)
|
|
#define DL_GETERRNO 1
|
|
#define DL_GETSYMBOL 2
|
|
#if 0
|
|
#define DL_SETSRCHPATH x
|
|
#define DL_GETLIST x
|
|
#define DL_GETREFCNT x
|
|
#define DL_GETLOADADDR x
|
|
#endif /* 0 */
|
|
#endif /* !defined(_XOPEN_SOURCE) */
|
|
|
|
#endif /* !defined(_DLFCN_H_) */
|