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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.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <dlfcn.h>
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#include <stddef.h>
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#include <elf/ldsodefs.h>
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struct dlopen_args
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{
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/* The arguments for dlopen_doit. */
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const char *file;
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int mode;
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/* The return value of dlopen_doit. */
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struct link_map *new;
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};
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static void
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dlopen_doit (void *a)
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{
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struct dlopen_args *args = (struct dlopen_args *) a;
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args->new = _dl_open (args->file ?: "", args->mode);
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}
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void *
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__dlopen_check (const char *file, int mode)
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{
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struct dlopen_args args;
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args.file = file;
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args.mode = mode;
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return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
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}
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#if defined PIC && defined DO_VERSIONING
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default_symbol_version (__dlopen_check, dlopen, GLIBC_2.1);
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#else
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weak_alias (__dlopen_check, dlopen)
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#endif
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