On Tue, Jul 21, 2020 at 7:43 PM Tom Tromey <tro...@adacore.com> wrote: > > >>>>> "Rob" == Rob Savoye <r...@welcomehome.org> writes: > > Rob> On 7/20/20 9:11 PM, Kito Cheng wrote: > >>> Do I correctly infer that this patch works with the sim tool shipped with > >>> GDB? > >> Tested with GDB simulator and qemu, but we use a tricky way to test > >> with qemu, add a wrapper to qemu to made the interface same as gdb > >> simulator[1]. > > Rob> QEMU supports the gdbserver remote debugging protocol (-g), so is > Rob> different from the sim interface. Linaro also had a way of using QEMU. > Rob> but I tried to make something more generic. I'd be interested in your > Rob> wrapper, but I think using the gdbserver protocol works better. > > Me too. I would actually like to remove "target sim" from gdb and > switch the in-tree sims to using the remote protocol, though it's > unclear if I'll ever actually get around to this.
Remote protocols need a port which means it's harder to parallel testing in a single machine, but I guess it could add some mechanism to randomly pick a port to prevent that. So currently I prefer using simple qemu wrapper or gdb sim to run gcc testsuite :P
