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FS register and Wine



Win32 seems to use the FS register to point to the current thread information.
Wine, in its latest incarnation, is implementing this feature.

We don't save the FS register between context switches or on traps. This
trashes FS, with the obvious bad consequence of breaking Win32 support in Wine.

How significant a change would it be do add saving the FS register?

-Costa
csaputnz_(_at_)_mit_(_dot_)_edu