Split sys/param.h out into common file and sysdeps bits/param.h file.

bits/param.h

@@ -0,0 +1,33 @@
+/* Old-style Unix parameters and limits.  Stub version.
+   Copyright (C) 1995-2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_PARAM_H
+# error "Never use <bits/param.h> directly; include <sys/param.h> instead."
+#endif
+
+/* This header is expected to define a few particular macros.
+
+   The traditional BSD macros that correspond directly to POSIX <limits.h>
+   macros don't need to be defined here if <bits/local_lim.h> defines the
+   POSIX limit macro, as the common <sys/param.h> code will define each
+   traditional name to its POSIX name if available.
+
+   This file should define at least:
+
+        EXEC_PAGESIZE
+*/