varargs in TUI defined functions ?

[Martin Oberhuber]

As a gdb commandline (text UI) user, I want to define a command that can take a variable number of arguments. I want to use this to create wrapper scripts for common operations. Example:

    # Simplified "run" convenience function
    define r
        if (0 == $argc)
            run -port default
        else
            run $arg*
        end
    end
 
This request is old, I found a reference in the mailing list archives from
2000: http://sourceware.org/ml/gdb/2000-q1/msg00019.html 
 
But at the moment there seems to be still no solution according to latest 
docs: http://sourceware.org/gdb/current/onlinedocs/gdb/Define.html#Define 
 
At the moment, there is $argc and $arg0 ... $arg9, but what I'm missing
is a builtin convenience variable that holds the entire list of arguments.
Syntax could be any of
   $argv    (like in C main())
   $args    (like in C va_args)
   $*       (like in Shellscripts)
   $arg*    (mixture of $arg and *)
 
I have been told that somewhere out in the wild there is a patch providing the "$*" and "$#" convenience variables as a gdb extension, but could not find this anywhere. Could anybody point me at places to look at, or provide any background information?

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