--- gforth/backtrac.fs	2000/09/23 15:05:58	1.3
+++ gforth/backtrac.fs	2001/02/27 21:17:10	1.5
@@ -16,7 +16,7 @@
 
 \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software
-\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 
 
 \ growing buffers that need not be full
@@ -77,23 +77,31 @@ IS 'cold
     then ;
 IS store-backtrace
 
-: print-backtrace ( addr1 addr2 -- )
-    \G print a backtrace for the return stack addr1..addr2
-    cr ." Backtrace:"
-    swap u+do
-	cr
-	i @ dup hex. ( return-addr? )
-	cell - dup in-dictionary? over dup aligned = and
+: print-bt-entry ( return-stack-item -- )
+    cell - dup in-dictionary? over dup aligned = and
+    if
+	@ dup look
 	if
-	    @ look
+	    .name drop
+	else
+	    drop body> look \ !! check for "call" in cell before?
 	    if
 		.name
 	    else
 		drop
 	    then
-	else
-	    drop
 	then
+    else
+	drop
+    then ;
+
+: print-backtrace ( addr1 addr2 -- )
+    \G print a backtrace for the return stack addr1..addr2
+    cr ." Backtrace:"
+    swap u+do
+	cr
+	i @ dup hex. ( return-addr? )
+	print-bt-entry
 	cell +loop ;
 
 :noname ( -- )