diff --git a/sysdeps/mach/alpha/sysdep.h b/sysdeps/mach/alpha/sysdep.h
new file mode 100644
index 0000000000..9c54850b5e
--- /dev/null
+++ b/sysdeps/mach/alpha/sysdep.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 1991, 1992, 1993, 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#define MOVE(x,y)	mov x, y
+
+#define LOSE asm volatile ("call_pal 0") /* halt */
+
+/* XXX SNARF_ARGS */
+
+#define CALL_WITH_SP(fn, sp) \
+  ({ register long int __fn = fn, __sp = (long int) sp; \
+     asm volatile ("mov %0,$30; jmp $31, %1; ldgp $29, 0(%1)" \
+		   : : "r" (__sp), "r" (__fn)); })
+
+#define STACK_GROWTH_DOWN
+
+#include_next <sysdep.h>