(declare (type (alien (* os-context-t)) context))
(deref (context-register-addr context index)))
+(define-alien-routine ("os_context_lr_addr" context-lr-addr) (* unsigned-long)
+ (context (* os-context-t)))
+
+(defun context-lr (context)
+ (declare (type (alien (* os-context-t)) context))
+ (int-sap (deref (context-lr-addr context))))
+
(defun %set-context-register (context index new)
(declare (type (alien (* os-context-t)) context))
(setf (deref (context-register-addr context index))
;;; Given a signal context, return the floating point modes word in
;;; the same format as returned by FLOATING-POINT-MODES.
+;;;
+;;; FIXME: surely this must be accessible somewhere under Darwin?
+#!-darwin
(define-alien-routine ("os_context_fp_control" context-floating-point-modes)
(sb!alien:unsigned 32)
(context (* os-context-t)))