Re: [PATCH 0/6] Add vDefaultInferiorFd feature

[Tom Tromey <tom@tromey.com>]

>>>>> "Alexandra" == Alexandra Petlanova Hajkova <ahajkova@redhat.com> writes:

>  Another approach might be to have a different way to specify the
>  connection fd to the remote, like a command-line option naming the fd to
>  use for RSP traffic.

Alexandra> Are you imagining something like "target remote | gdbserver --once RSP_FD ...." ?
Alexandra> And GDB would replace RSP_FD with the actual file descriptor to use?

Yeah.

Alexandra> avoids adding a new packet and the whole FD switching business. But adding the new 
Alexandra> packet approach makes it easier for the users. It's possible to run GDB to then run
Alexandra>  Valgrind from inside by using simply

Alexandra> target extended-remote | vgdb --multi

Alexandra> I hope this command will be replaced with an even simpler " target valgrind" at
Alexandra> some point.

Part of the idea would be to hide the new file descriptor handling
behind the "target valgrind" facade.  That is, the implementation of
"target valgrind" would handle setting up the command line arguments to
vgdb.

Tom