isbc chen wrote:Output is call graph or Tree.
Many years ago I used Together 6 to reverse engineer a UML sequence diagram for a large(ish) project. A sequence diagram is a call sequence graph but be aware that it can be excessively verbose. Together 6 did allow some filtering but the result was usually too verbose to be any real use. Last I heard was that Together is now available as "Borland Together".
I bet Rational
Rose have a similar reverse engineering tool.