xdb
xdb is an interactive autoloaded compiled Lisp function in `gud.el
'.
(xdb COMMAND-LINE)
Run xdb on program FILE in buffer *gud-FILE*.
The directory containing FILE becomes the initial working directory
and source-file directory for your debugger.
You can set the variable `gud-xdb-directories' to a list of program source
directories if your program contains sources from more than one directory.