(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.
* inf-ttrace.h: New file.
* hppa-hpux-nat.c [HAVE_TTRACE]: Include <sys/ttrace>.
Include "inf-ttrace.h".
(ss_mpsfu_high): Define to ss_tlsp if necessary.
(hppa_hpux_fetch_register, hppa_hpux_store_register): Use
ptid_get_pid instead of PIDGET. Modify to handle both ttrace and
ptrace systems.
(_initialize_hppa_hpux_nat) [HAVE_TTRACE]: Call inf_ttrace_traget
instead of inf_ptrace_target.
* config/pa/hpux.mh (NATDEPFILES): Add inf-ttrace.o.
* Makefile.in (inf_ttrace_h): New variable.
(hppa-hpux-nat.o): Update dependency.
(inf-ttrace.o): New dependency.
(ALLDEPFILES): Add inf-ptrace.c and inf-ttrace.c.
hpux-thread.c to suppress children from running.
(hppa_hpux_child_can_run): New function.
(_initialize_hppa_hpux_nat): Use hppa_hpux_child_can_run.
* hpux-thread.c: Include string.h and hppa-tdep.h.
(FLAGS_REGNUM, SP_REGNUM, PC_REGNUM): Rename to HPPA_FLAGS_REGNUM,
HPPA_SP_REGNUM and HPPA_PCOQ_HEAD_REGNUM, respectively.
(hpux_thread_store_registers): Replace deprecated_registers with
calls to regcache_raw_read.
* config/pa/hpux11.mh, config/pa/hpux11w.mh: Delete HOST_IPC.
