(COMMON_OBS): Remove hpacc-abi.o.
(ALLDEPFILES): Remove hpread.c and $(HPREAD_SOURCE).
(hpacc-abi.o, hpread.o): Delete rules.
* somread.c: Delete extern declarations from hpread.c.
(som_symfile_read): Do not call do_pxdb or hpread_build_psymtabs.
(som_symfile_finish): Do not call hpread_symfile_finish.
(som_symfile_init): Do not call hpread_symfile_init.
* config/pa/hppa64.mt (TDEPFILES): Remove hpread.o.
* config/pa/hppahpux.mt (TDEPFILES): Likewise.
* hpacc-abi.c, hpread.c: Deleted.
* gdbint.texinfo (SOM): Correct location of the SOM reader.
* Makefile.in (pa64solib_h, somsolib_h): Delete.
(solib_pa64_h, solib_som_h): New.
(HFILES_NO_SRCDIR, ALLDEPFILES): Replace somsolib.h with solib-som.h.
(hppa-hpux-tdep.o, hpread.o): Update dependencies.
(pa64solib.o, somsolib.o): Delete.
(solib-pa64.o, solib-som.o): New.
* hppa-hpux-tdep.c: Include new solib interfaces.
(hppa_hpux_som_init_abi): Attach to SOM solib interface.
(hppa_hpux_elf_init_abi): Attach to PA64 ELF solib interface.
* hppa-tdep.c (internalize_unwinds): If solib_get_text_base method
is available, use it to determine the base of unwind records.
* hppa-tdep.h (gdbarch_tdep): Add new solib methods.
* hpread.c: Replace somsolib.h with solib-som.h.
(hpread_process_one_debug_symbol): Use target vector to get thread
start address.
* config/pa/hppa64.mt (TDEPFILES): Use new solib interface.
* config/pa/hppahpux.mt (TDEPFILES): Likewise.
* config/pa/hpux.mh (NATDEPFILES): Delete references to target objects.
* config/pa/tm-hppah.h: Use new solib interface.
* pa64solib.c (pa64_solib_thread_start_addr): Rename from
so_lib_thread_start_addr.
* pa64solib.h (so_list): Forward declare.
(pa64_solib_thread_start_addr): Prototype.
* somsolib.c (SHL_LOAD, SHL_UNLOAD): Define if not already defined.
(no_shared_libraries): Remove.
(som_solib_thread_start_addr): Rename from so_lib_thread_start_addr.
* somsolib.h (som_solib_thread_start_addr): Likewise; prototype.
* hpread.c (hpread_process_one_debug_symbol): Use either the som or
the elf solib handler to find the start address.
* config/pa/hppahpux.mh (NATDEPFILES): Move target-specific support
files to the target makefile.
* config/pa/hpux1020.mh (NATDEPFILES): Likewise.
* config/pa/hpux11.mh (NATDEPFILES): Likewise.
* config/pa/hpux11w.mh (NATDEPFILES): Likewise.
* config/pa/hppa64.mt (TDEPFILES): Put target-specific support
files for symbol reading and shared library handling here.
* config/pa/hppahpux.mt (TDEPFILES): Likewise.
(PA_SOM_ONLY): Define so we can build a 32-bit SOM only target
without bringing in 64-bit support.
