1.0.6.24: a more sophisticated UNWIND-TO-FRAME-AND-CALL for x86 and x86-64

[sbcl.git] / src / compiler / debug-dump.lisp

diff --git a/src/compiler/debug-dump.lisp b/src/compiler/debug-dump.lisp
index a286675..a2288b8 100644 (file)
--- a/src/compiler/debug-dump.lisp
+++ b/src/compiler/debug-dump.lisp
@@ -323,6 +323,16 @@
   (make-sc-offset (sc-number (tn-sc tn))
                   (tn-offset tn)))
 
+(defun lambda-ancestor-p (maybe-ancestor maybe-descendant)
+  (declare (type clambda maybe-ancestor)
+           (type (or clambda null) maybe-descendant))
+  (loop
+     (when (eq maybe-ancestor maybe-descendant)
+       (return t))
+     (setf maybe-descendant (lambda-parent maybe-descendant))
+     (when (null maybe-descendant)
+       (return nil))))
+
 ;;; Dump info to represent VAR's location being TN. ID is an integer
 ;;; that makes VAR's name unique in the function. BUFFER is the vector
 ;;; we stick the result in. If MINIMAL, we suppress name dumping, and
@@ -349,7 +359,7 @@
                         (null (basic-var-sets var))))
                (not (gethash tn (ir2-component-spilled-tns
                                  (component-info *component-being-compiled*))))
-               (eq (lambda-var-home var) fun))
+               (lambda-ancestor-p (lambda-var-home var) fun))
       (setq flags (logior flags compiled-debug-var-environment-live)))
     (when save-tn
       (setq flags (logior flags compiled-debug-var-save-loc-p)))
@@ -410,8 +420,8 @@
                 (t
                  (setq id 0  prev-name name)))
           (dump-1-var fun var (cdr x) id nil buffer)
-          (setf (gethash var var-locs) i))
-        (incf i))
+          (setf (gethash var var-locs) i)
+          (incf i)))
       (coerce buffer 'simple-vector))))
 
 ;;; Return a vector suitable for use as the DEBUG-FUN-VARS of