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ufgraph.py

README.md

ufgraph.py


ufgraph.py is a simple script which parses the output of the uf (un-assemble function) command in windbg and uses graphviz to generate a control flow graph as a PNG/SVG/PDF/GIF (see -of option) and displays it

Please note, that some additional options (eg: /c) to the uf command are not supported and will likely break the output parsing or graph rendering.

Requirements


Usage


From within windbg, simply run the script using the .shell command as follows:

.shell -ci "uf ntdll!rtlinsertentryhashtable" c:\python27\python.exe ufgraph.py

It is also possible to build a call graph at your current instruction pointer (EIP/RIP) and have ufgraph highlight the this basic block as follows:

.shell -ci "r $ip; uf $ip" c:\python27\python.exe ufgraph.py

It is also possible to output multiple call graphs for each frame in the call stack as follows:

.shell -ci "!for_each_frame \"r $scopeip; uf $scopeip\"" python.exe ufgraph.py -sh