DESC
remap file pages protection support: use FAULT_SIGSEGV for protection checking, uml bits
EDESC
From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>

This adapts the changes to the i386 handler to the UML one. It isn't enough to
make UML work, however, because UML has some peculiarities. Subsequent patches
fix this.
