Re: [Qemu-devel] [RFC] linux-user (mostly syscall.c)

[Thayne Harbaugh <thayne@c2.net>]

On Sat, 2007-11-03 at 20:13 +0100, Fabrice Bellard wrote:
> Thayne Harbaugh wrote:
> > On Sat, 2007-11-03 at 13:52 +0100, J. Mayer wrote:
> >> On Sat, 2007-11-03 at 01:21 +0000, Thiemo Seufer wrote:
> >> [...]
> >>  But it could be great to group the syscalls by
> >> categories, or so. For example, putting all POSIX compliant syscalls in
> >> a single file and using a syscall table could make quite easy to develop
> >> a BSD-user target (I did this in the past, not in Qemu though...). POSIX
> >> compliant interfaces can mostly be shared with Linux ones and a lot of
> >> other syscalls are common to the 3 BSD flavors (Net, Open and Free..).
> >> Being able to add a BSD target sharing the same code would be a proof
> >> the code is flexible and well organized; I guess large parts of the
> >> Darwin user target could also be merged with a FreeBSD user target...
> > 
> > That's a reasonable strategy as well.  I've looked through some of the
> > darwin code and have considered how common code could be merged.
> 
> I am strongly against such merges.
> 
> Different OS emulation must be handled in different directories (and
> maybe even in different projects) as they are likely to have subtle
> differences which makes impossible to test a modification made for one
> OS without testing all the other OSes.

Agreed.