e254df14d5
* elf/Makefile (libdl-routines): Add dlopenold. * elf/Versions [libdl, GLIBC_2.1]: Add dlopen. * elf/dl-open.c (_dl_open): Check whether RTLD_LAZY or RTLD_GLOBAL is set and bounce otherwise. * elf/dlopen.c: Rename function to __dlopen_check and make version named dlopen. * elf/dlopenold.c: New file. 1998-11-02 Ulrich Drepper <drepper@cygnus.com>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* Load a shared object at run time.
|
|
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <dlfcn.h>
|
|
#include <stddef.h>
|
|
#include <elf/ldsodefs.h>
|
|
|
|
struct dlopen_args
|
|
{
|
|
/* The arguments for dlopen_doit. */
|
|
const char *file;
|
|
int mode;
|
|
/* The return value of dlopen_doit. */
|
|
struct link_map *new;
|
|
};
|
|
|
|
|
|
static void
|
|
dlopen_doit (void *a)
|
|
{
|
|
struct dlopen_args *args = (struct dlopen_args *) a;
|
|
|
|
args->new = _dl_open (args->file ?: "", args->mode);
|
|
}
|
|
|
|
|
|
void *
|
|
__dlopen_check (const char *file, int mode)
|
|
{
|
|
struct dlopen_args args;
|
|
args.file = file;
|
|
args.mode = mode;
|
|
|
|
return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
|
|
}
|
|
#if defined PIC && defined DO_VERSIONING
|
|
default_symbol_version (__dlopen_check, dlopen, GLIBC_2.1);
|
|
#else
|
|
weak_alias (__dlopen_check, dlopen)
|
|
#endif
|