Re: Can gdbserver tunnel stdout/stdin to/from gdb ?

[Tom Tromey <tom@tromey.com>]

>> Can gdbserver tunnel stdout/stdin to/from gdb so as to debug an
>> application as if it was executing on the machine running gdb ?

Andrew> I don't believe gdbserver itself supports this feature.

I wish it did though :)

Andrew> Though I don't see why a
Andrew> bigger target couldn't make use of that extension - you'd just need a
Andrew> mechanism to intercept the syscalls at the remote end and have gdbserver
Andrew> forward them to gdb.

Would it work to redirect I/O when launching the inferior?

Andrew> The final thing that might be relevant to this topic, though clearly not
Andrew> what you're actually asking about, is the 'O' packet, which allows
Andrew> gdbserver to write messages to gdb's console.  As I understand it, this
Andrew> is often used to allow things like monitor commands to print diagnostic
Andrew> output, but in general I think this is more for gdbserver itself (not
Andrew> the thing running under gdbserver) to communicate with the gdb user.

Note also the 'O' packet doesn't work with non-stop.  GDB needs a bit of
protocol work in this area.

Tom