% avrora -help cfg
Avrora [Beta 1.6.0] - (c) 2003-2005 UCLA Compilers Group
Usage: avrora [-action=action] [options] 
Usage: avrora -help [category]
ACTION OVERVIEW
 The "cfg" action builds and displays a control flow graph of the given
input program. This is useful for better program understanding and for
optimizations. The graph can be outputted in a textual format, or the format
supported by the "dot" graph tool.
OPTIONS
 Help for the specific options accepted by this action is below.
 -collapse-procedures: boolean = false
 This option is used when outputting in the "dot" output
 format. When this option is true, the control flow graph
 utility will attempt to discover procedures within the control
 flow graph and collapse whole procedures to a single node in
 the output.
 -color-procedures: boolean = true
 This option is used when outputting in the "dot" output
 format. When this option is true, the control flow graph
 utility will attempt to discover procedures and color them in
 the output.
 -file: string = 
 This option specifies the output file for the result of
 generating a"dot" format control flow graph. When this option
 is not set, a textual representation of the graph will be
 printed to the terminal.
 -group-procedures: boolean = true
 This option is used when outputting in the "dot" output
 format. When this option is true, the control flow graph
 utility will attempt to discover procedures and group them as
 subgraphs in the output.
 -output: string = 
 This option selects the output format for the control flow
 graph. When this option is set to "dot", then the control flow
 graph will be outputted in a format suitable for parsing by
 the dot graph rendering tool.
For more information, see the online documentation at 
http://compilers.cs.ucla.edu/avrora
To report bugs or seek help, consult the Avrora mailing list: 
http://lists.ucla.edu/cgi-bin/mailman/listinfo/avrora
Please include the version number [Beta 1.6.0] when posting to the list.