On 5/23/22 09:54, Peter Maydell wrote:
On Mon, 23 May 2022 at 16:46, Richard Henderson
<richard.hender...@linaro.org> wrote:
Also, I think I mentioned this in the v2 cover but not here, that having done
the errno
conversion here for arm semihosting, it worked less well for mips and xtensa,
which have a
rather better defined set of errnos.
My question from v2 was: should we in fact convert back from gdb's errno to
host errno in
gdbstub.c handle_file_io(), and then let each semihosting backend convert from
host to guest?
That sounds like it's probably a better idea (though I'm not sure
what host errno we use for the gdb "unknown errno" case)...
An excellent question. I note that both mips and xtensa use EINVAL when there is no exact
match for the guest. It does seem to be the least bad option.
r~
