WINE vs. FreeBSD

Tijl Coosemans tijl at
Thu Jul 27 21:08:42 UTC 2006

On Thursday 27 July 2006 17:21, John Baldwin wrote:
> On Monday 24 July 2006 21:58, Tijl Coosemans wrote:
> > However, Wine/Windows uses %fs for TLS and it appears that the
> > FreeBSD kernel doesn't preserve it. It always ends up pointing to
> The kernel should preserve %fs across syscalls, traps, and faults. 
> Can you point to a specific case where %fs is not preserved?  It
> sounds like %fs is never set to a value in Wine.

Yes, it was a combination of compiler optimizations and an inline 
assembly block missing __volatile__.

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