2007-11-12 Markus Deuling <deuling@de.ibm.com>

2007-11-12  Markus Deuling  <deuling@de.ibm.com>

	* xtensa-tdep.c (ARG_1ST): Replace ARGS_FIRST_REG by its expression.
	(ARGS_FIRST_REG): Remove.
	(areg_numer): New function.
	(xtensa_pseudo_register_read, xtensa_frame_prev_register)
	(xtensa_extract_return_value, xtensa_store_return_value)
	(xtensa_frame_cache): Replace AREG_NUMBER by areg_number.
	(AREG_NUMBER): Remove.
	(XTENSA_IS_ENTRY, ARG_NOF, ARG_1ST): Add gdbarch as parameter.
	(xtensa_frame_cache): Update use of XTENSA_IS_ENTRY.
	(xtensa_push_dummy_call): Update use of ARG_NOF.
	(extract_call_winsize): Add gdbarch as parameter. Replace
	current_gdbarch by gdbarch.
	(xtensa_extract_return_value, xtensa_store_return_value): Update call
	of extract_call_winsize.