/* Load a shared object at run time. Copyright (C) 1995, 1996, 1997, 1998, 1999 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> struct dlopen_args { /* The arguments for dlopen_doit. */ const char *file; int mode; /* The return value of dlopen_doit. */ void *new; /* Address of the caller. */ const void *caller; }; static void dlopen_doit (void *a) { struct dlopen_args *args = (struct dlopen_args *) a; args->new = _dl_open (args->file ?: "", args->mode, args->caller); } void * __dlopen_check (const char *file, int mode) { struct dlopen_args args; args.file = file; args.mode = mode; args.caller = __builtin_return_address (0); 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