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

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

	* amd64-tdep.c (amd64_frame_prev_register, amd64_sigtramp_frame_cache):
	Use get_regcache_arch or get_frame_arch to get at the current
	architecture by regcache or by frame, respectively.
	* amd64-linux-tdep.c (amd64_linux_sigcontext_addr): Likewise.
	* amd64-nat.c (amd64_supply_native_gregset)
	(amd64_collect_native_gregset): Replace current_gdbarch by gdbarch.