[PATCH] riscv: add gdbserver support

[Andrew Burgess]

* Jim Wilson <jimw@sifive.com> [2020-01-21 22:15:30 -0800]:

> On Tue, Jan 21, 2020 at 4:11 PM Jim Wilson <jimw@sifive.com> wrote:
> > fix this.  It helps if you mention exactly which fedora image you are
> > using and exactly which qemu version you are using.
> 
> Using the 20191123 image and a top of tree qemu (4.2.50) binutils/gdb
> configure got stuck in gawk.  Looks like a bug with qemu.  I have a
> 3.1.92 qemu that got past configure and is now building which will
> probably take all night on my laptop.

Thank you!  That is exactly the issue I see too.

I'll try building 3.1.92 and see how that works for me - it would be
nice to have this working again.

Thanks,
Andrew