> On Jan 19, 2019, at 8:55 AM, David Holland <dholland-t...@netbsd.org> wrote:
>
> That's equivalent to writing out zeros (but more efficient) -- I would
> say the page shouldn't appear in the dump at all on the grounds that
> it doesn't actually exist.
>
> Whether it's ok to have an empty segment, I dunno. See if gdb chokes
> on it :-)
Hm, then perhaps I'm misremembering how this is supposed to be represented in
the core. The issue is that there *is* a mapping at the virtual address, but
that fault can't be serviced. Making it appear as zeros or ZFOD gives the
wrong impression to the person doing the debugging.
-- thorpej
