1 files changed, 56 insertions, 0 deletions
diff --git a/dlfcn/dlopen.c b/dlfcn/dlopen.c
new file mode 100644
index 0000000000..cb49e6b142
--- /dev/null
+++ b/dlfcn/dlopen.c
@@ -0,0 +1,56 @@
+/* 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