I386_WATCHPOINTS_IN_TARGET_VECTOR conditional. * config/i386/nm-cygwin.h: Remove I386_WATCHPOINTS_IN_TARGET_VECTOR macro. * config/i386/nm-cygwin64.h: Ditto. * config/i386/nm-fbsd.h: Ditto. * config/i386/nm-go32.h: Ditto. * config/i386/nm-linux.h: Ditto. * config/i386/nm-linux64.h: Ditto.
using hardware watchpoints. go32-nat.c (init_go32_ops): Call i386_use_watchpoints. i386fbsd-nat.c (_initialize_i386fbsd_nat): Ditto. windows-nat.c (init_windows_ops): Ditto. config/i386/nm-cygwin.h: Define I386_WATCHPOINTS_IN_TARGET_VECTOR. config/i386/nm-cygwin64.h: Ditto. config/i386/nm-fbsd.h: Ditto. config/i386/nm-go32.h: Ditto.
* config/i386/mingw64.mh, config/i386/nm-cygwin64.h: New files. * configure.host, configure.tgt: Add handling for x86_64/windows. * config/djgpp/fnchange.lst: Add entries for amd64-windows-nat.c and amd64-windows-tdep.c.