COMPAT_43 users?

[Brooks Davis]

On Wed, Aug 01, 2018 at 08:21:58PM +0300, Konstantin Belousov wrote:
> On Wed, Aug 01, 2018 at 04:50:26PM +0000, Brooks Davis wrote:
> > It's absurd because there is no sensible, supported path to create new
> > a.out binaries targeting FreeBSD 12.  IMO it would be better to limit
> > a.out support to syscalls supported by releases where a.out was
> > supported.
> 
> It requires somewhat non-trivial effort to limit them, while providing
> the access is free.  We do not create new syscall table for each ABI
> addition.

My point was that (IMO) we should create a new syscall table to a.out to
let it subsume things like COMPAT_OLDSOCK.

-- Brooks
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