Header with call site checker definitions.

include/caller.h

@@ -0,0 +1,32 @@
+/* Copyright (C) 2004 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _CALLER_H
+#define _CALLER_H 1
+
+#include <ldsodefs.h>
+
+/* _dl_check_caller only works in DSOs.  */
+#ifdef SHARED
+# define __check_caller(caller, mask) \
+  GLRO(dl_check_caller) (caller, mask)
+#else
+# define __check_caller(caller, mask) (0)
+#endif
+
+#endif /* caller.h */