X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Fdebug-dump.lisp;h=a286675cb8328ff7beef7b5805a54f3437cdf4b0;hb=a0c5831b3a74118cf41a848300200a1acdb48dcf;hp=ff31524d85a1239db8f38334355604aad97b8b74;hpb=7a7a5268d45a213d425228e87c9ecc9f79bd7858;p=sbcl.git

diff --git a/src/compiler/debug-dump.lisp b/src/compiler/debug-dump.lisp
index ff31524..a286675 100644
--- a/src/compiler/debug-dump.lisp
+++ b/src/compiler/debug-dump.lisp
@@ -20,7 +20,8 @@
 
 (deftype location-kind ()
   '(member :unknown-return :known-return :internal-error :non-local-exit
-           :block-start :call-site :single-value-return :non-local-entry))
+           :block-start :call-site :single-value-return :non-local-entry
+           :step-before-vop))
 
 ;;; The LOCATION-INFO structure holds the information what we need
 ;;; about locations which code generation decided were "interesting".
@@ -89,7 +90,7 @@
 ;;; are spilled.
 (defun dump-1-location (node block kind tlf-num label live var-locs vop)
   (declare (type node node) (type ir2-block block)
-           (type local-tn-bit-vector live)
+           (type (or null local-tn-bit-vector) live)
            (type (or label index) label)
            (type location-kind kind) (type (or index null) tlf-num)
            (type hash-table var-locs) (type (or vop null) vop))
@@ -109,9 +110,19 @@
       (write-var-integer (source-path-tlf-number path) *byte-buffer*))
     (write-var-integer (source-path-form-number path) *byte-buffer*))
 
-  (write-packed-bit-vector (compute-live-vars live node block var-locs vop)
-                           *byte-buffer*)
-
+  (if live
+      (write-packed-bit-vector (compute-live-vars live node block var-locs vop)
+                               *byte-buffer*)
+      (write-packed-bit-vector
+       (make-array (logandc2 (+ (hash-table-count var-locs) 7) 7)
+                   :initial-element 0
+                   :element-type 'bit)
+       *byte-buffer*))
+
+  (write-var-string (or (and (typep node 'combination)
+                             (combination-step-info node))
+                        "")
+                    *byte-buffer*)
   (values))
 
 ;;; Extract context info from a Location-Info structure and use it to
@@ -331,7 +342,7 @@
     (declare (type index flags))
     (when minimal
       (setq flags (logior flags compiled-debug-var-minimal-p))
-      (unless tn
+      (unless (and tn (tn-offset tn))
         (setq flags (logior flags compiled-debug-var-deleted-p))))
     (when (and (or (eq kind :environment)
                    (and (eq kind :debug-environment)
@@ -349,7 +360,7 @@
       (vector-push-extend name buffer)
       (unless (zerop id)
         (vector-push-extend id buffer)))
-    (if tn
+    (if (and tn (tn-offset tn))
         (vector-push-extend (tn-sc-offset tn) buffer)
         (aver minimal))
     (when save-tn