Re: [Qemu-devel] [PATCH V3 3/3] New option -gdb-opts

[Fabien Chouteau <chouteau@adacore.com>]

On 03/14/2013 09:44 AM, Markus Armbruster wrote:
> Fabien Chouteau <chouteau@adacore.com> writes:
>
>> We introduce a new command line option. It's a generic option to
>> customize the gdb server:
>>
>> -gdb-opts [attached=on|off]
>>
>> The only parameter for now is "attached".
>>
>> Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
>
> --gdb-opts complements existing --gdb.  You need to use both for full
> control.
>
> I figure you do this because you can't extend --gdb, as its argument is
> in legacy character device syntax, not QemuOpts.
>

That's right, maybe we can do some string manipulations to handle this case.

-gdb tcp::1234,attached=off

find ',attached={on|off}' and remove it from the string.

> We had similar cases before, and solved them differently: create a more
> general option, then make the old one sugar for the new one.
>
> For instance, --monitor and --qmp are sugar for --mon.  Desugaring code
> is in monitor_parse().
>

Something like:

-chardev socket,id=gdb1,host=localhost,port=1234,server,nowait,nodelay -gdb-remote chardev=gdb1,attached=off

You still need two options for full control.

Regards,

-- 
Fabien Chouteau