Changes to support core files and linux threads.

Changes to support core files and linux threads.

2000-04-20  Scott Bambrough <scottb@netwinder.org>

	* arm-linux-nat.c (PIDGET, TIDGET): New.
	(get_thread_id, GET_THREAD_ID): New.
	(fetch_nwfpe_register, store_nwfpe_register): New.
	(fetch_register, store_register): New.
	(fetch_fpregister, store_fpregister): New.
	(fill_gregset, supply_gregset): New.
	(fill_fpregset, supply_fpregset): New.
	(fetch_fpregs): Modified to use thread id's.
	(store_fpregs): Modified to use thread id's and
	fetch_nwfpe_register.
	(fetch_regs): Modified to use thread id's.
	(store_regs): Modified to use thread id's.
	(fetch_inferior_registers): Modified to handle single register
	fetches.
	(store_inferior_registers): Modified to handle single register
	stores.
	(arm_linux_register_u_addr): Removed.

	* configure.tgt: Added gdbserver to configdirs for arm*-*-linux*.

	* config/arm/linux.mh
	(NATDEPFILES): Removed core-aout.o.  Added core-regset.o.
	(LOADLIBES): Define.

	* config/arm/nm-linux.h: Include config/nm-linux.h.
	(ATTACH_DETACH): Removed.  Defined in config/nm-linux.h.
	(REGISTER_U_ADDR): Removed.
	(SVR4_SHARED_LIBS): Removed.  Defined in config/nm-linux.h.
	(#include "solib.h"): Removed.  Included via config/nm-linux.h.