s/i386_show_dr/i386_dr_show/g
s/i386_\(length_and_rw_bits\|insert_aligned_watchpoint\|update_inferior_debug_regs\|remove_aligned_watchpoint\)/i386_dr_\1/g
Make a bunch of functions nonstatic
New (empty) files nat/i386-dregs.[ch] (and buildsystem changes)
Create i386-dregs.h