2007-10-08 Markus Deuling <deuling@de.ibm.com>

2007-10-08  Markus Deuling  <deuling@de.ibm.com>

	* alpha-tdep.c (alpha_register_reggroup_p): Replace current_gdbarch by
	gdbarch.
	* alpha-linux-nat.c (alpha_linux_register_u_offset): Likewise.
	(alpha_sigtramp_frame_unwind_cache, alpha_sigtramp_frame_this_id)
	(alpha_sigtramp_frame_sniffer, alpha_next_pc): Use get_regcache_arch or
	get_frame_arch to get at the current architecture by regcache or by
	frame, respectively.
	* alpha-nat.c (fetch_osf_core_registers): Likewise.