* hppa-hpux-nat.c (ss_mpsfu_high): Remove define.

* hppa-hpux-nat.c (ss_mpsfu_high): Remove define.
(hppa_hpux_save_state_offset): New function, replacing variable
with the same name.
(hppa_cannot_fetch_register, hppa_cannot_store_register): Remove
functions.
(hppa_hpux_fetch_register): Don't call hppa_cannot_fetch_register.
Use new hppa_hpux_save_state_offset function.  Add special
handling for handling 64-bit "flags" register.
(hppa_hpux_store_register): Likewise.
(hppa_hpux_child_can_run): Tweak comment.