- (ecase (widetag-of fun)
- (#.sb!vm:closure-header-widetag
- (fun-debug-fun (%closure-fun fun)))
- (#.sb!vm:funcallable-instance-header-widetag
- (fun-debug-fun (funcallable-instance-fun fun)))
- (#.sb!vm:simple-fun-header-widetag
- (let* ((name (%simple-fun-name fun))
- (component (fun-code-header fun))
- (res (find-if
- (lambda (x)
- (and (sb!c::compiled-debug-fun-p x)
- (eq (sb!c::compiled-debug-fun-name x) name)
- (eq (sb!c::compiled-debug-fun-kind x) nil)))
- (sb!c::compiled-debug-info-fun-map
- (%code-debug-info component)))))
- (if res
- (make-compiled-debug-fun res component)
- ;; KLUDGE: comment from CMU CL:
- ;; This used to be the non-interpreted branch, but
- ;; William wrote it to return the debug-fun of fun's XEP
- ;; instead of fun's debug-fun. The above code does this
- ;; more correctly, but it doesn't get or eliminate all
- ;; appropriate cases. It mostly works, and probably
- ;; works for all named functions anyway.
- ;; -- WHN 20000120
- (debug-fun-from-pc component
- (* (- (fun-word-offset fun)
- (get-header-data component))
- sb!vm:n-word-bytes)))))))
+ (let ((simple-fun (%fun-fun fun)))
+ (let* ((name (%simple-fun-name simple-fun))
+ (component (fun-code-header simple-fun))
+ (res (find-if
+ (lambda (x)
+ (and (sb!c::compiled-debug-fun-p x)
+ (eq (sb!c::compiled-debug-fun-name x) name)
+ (eq (sb!c::compiled-debug-fun-kind x) nil)))
+ (sb!c::compiled-debug-info-fun-map
+ (%code-debug-info component)))))
+ (if res
+ (make-compiled-debug-fun res component)
+ ;; KLUDGE: comment from CMU CL:
+ ;; This used to be the non-interpreted branch, but
+ ;; William wrote it to return the debug-fun of fun's XEP
+ ;; instead of fun's debug-fun. The above code does this
+ ;; more correctly, but it doesn't get or eliminate all
+ ;; appropriate cases. It mostly works, and probably
+ ;; works for all named functions anyway.
+ ;; -- WHN 20000120
+ (debug-fun-from-pc component
+ (* (- (fun-word-offset simple-fun)
+ (get-header-data component))
+ sb!vm:n-word-bytes))))))