Index: /branches/arm/lib/arm-backtrace.lisp
===================================================================
--- /branches/arm/lib/arm-backtrace.lisp	(revision 13984)
+++ /branches/arm/lib/arm-backtrace.lisp	(revision 13985)
@@ -123,2 +123,6 @@
     (%fixnum-ref p arm::fake-stack-frame.vsp)
     (%%frame-savevsp p)))
+
+(defun arg-check-call-arguments (frame function)
+  (declare (ignore function))
+  (xp-argument-list (%fixnum-ref frame arm::fake-stack-frame.xp)))