Various name changes to match those used by hp-symtab.h.
No longer sanitize away hpread changes. Merge ChangeLog.hpread into
ChangeLog and ChangeLog-93.
symbol special handling when INHIBIT_SUNSOLIB_TRANSFER_TABLE_HACK
is defined.
* infrun.c (IN_SOLIB_CALL_TRAMPOLINE): Renamed from
IN_SOLIB_TRAMPOLINE. All callers changed.
(IN_SOLIB_RETURN_TRAMPOLINE): Provide default definition.
(wait_for_inferior): Handle single stepping through trampolines on
return paths from shared libraries.
* config/pa/tm-hppa.h (IN_SOLIB_CALL_TRAMPOLINE): Use
in_solib_call_trampoline.
(IN_SOLIB_RETURN_TRAMPOLINE): Use in_solib_return_trampoline.
(INHIBIT_SUNSOLIB_TRANSFER_TABLE_HACK): Define.
* hppa-tdep.c (in_solib_call_trampoline): New function.
(in_solib_return_trampoline): New function.
reserved fields to hold a stub unwind entry type. Fix typo.
(stub_unwind_entry): New structure for raw stub unwind entries.
(stub_unwind_types): The types of stubs we may encounter.
(UNWIND_ENTRY_SIZE, STUB_UNWIND_ENTRY_SIZE): New defines.
* hppa-tdep.c (rp_saved): Use additional information provided
by linker stub unwind descriptors.
(frameless_function_invocation): Likewise.
(frame_chain_valid): Likewise.
* paread.c (compare_unwind_entries): New function for sorting
unwind table entries.
(read_unwind_info): Rewrite to remove dependency on host endianness.
Read in data from the $UNWIND_END$ subspace which contains linker
stub unwind descriptors. Merge that data into the basic unwind
table.
