;;; Return the frame immediately below FRAME on the stack; or when
;;; FRAME is the bottom of the stack, return NIL.
(defun frame-down (frame)
;;; Return the frame immediately below FRAME on the stack; or when
;;; FRAME is the bottom of the stack, return NIL.
(defun frame-down (frame)
;; KLUDGE: Use the first non-foreign frame as the
;; *STACK-TOP-HINT*. Getting the frame from the signal
;; context as on x86 would be cleaner, but
;; KLUDGE: Use the first non-foreign frame as the
;; *STACK-TOP-HINT*. Getting the frame from the signal
;; context as on x86 would be cleaner, but