* ia64-tdep.c: Include "osabi.h".

	* ia64-tdep.c: Include "osabi.h".
	(native_find_global_pointer): Delete.
	(ia64_find_global_pointer): Renamed from
	generic_elf_find_global_pointer.
	(FIND_GLOBAL_POINTER): Delete.  Change all users to call
	ia64_find_global_pointer instead.
	(ia64_gdbarch_init): Call gdbarch_init_osabi.  Remove references
	to ia64_linux_sigcontext_register_address and
	ia64_linux_write_pc.  Don't set tdep->find_global_pointer.
	(_initialize_ia64_tdep): Call gdbarch_register instead of
	deprecated register_gdbarch_init.
	(struct gdbarch_tdep): Remove find_global_pointer field and move
	to ...
	* ia64-tdep.h (struct gdbarch_tdep): ... here.
	(ia64_linux_sigcontext_register_address): Remove declaration.
	(ia64_linux_getunwind_table): Likewise.
	(ia64_linux_write_pc): Likewise.
	* ia64-linux-tdep.c: Include "osabi.h".
	(ia64_linux_sigcontext_register_address): Make static.
	(ia64_linux_write_pc): Likewise.
	(ia64_linux_init_abi): New.
	(_initialize_ia64_linux_tdep): New.
	* Makefile.in (ia64-tdep.o, ia64-linux-tdep.o): Depend on
	$(osabi_h).