2003-04-05 Andrew Cagney <cagney@redhat.com>

2003-04-05  Andrew Cagney  <cagney@redhat.com>

	* frame.c (frame_func_unwind, get_frame_func): New functions.
	* frame.h (get_frame_func, frame_func_unwind): Declare.
	(struct frame_info): Add field "prev_func" for caching the
	previous frame's function address.
	* arm-tdep.c (arm_frameless_function_invocation): Combine
	get_pc_function_start and get_frame_pc into get_frame_func.
	* sh-tdep.c (sh_nofp_frame_init_saved_regs): Ditto.
	(sh64_nofp_frame_init_saved_regs): Ditto.
	* s390-tdep.c (s390_function_start): Ditto.
	* rs6000-tdep.c (rs6000_pop_frame): Ditto.
	(rs6000_frameless_function_invocation): Ditto.
	(rs6000_frame_saved_pc): Ditto.
	* m68k-tdep.c (m68k_frame_init_saved_regs): Ditto.
	* ia64-tdep.c (ia64_frame_init_saved_regs): Ditto.
	* i386-tdep.c (i386_frameless_signal_p): Ditto.
	(i386_frame_init_saved_regs): Ditto.
	* hppa-tdep.c (hppa_frame_find_saved_regs): Ditto.
	* d10v-tdep.c (d10v_frame_unwind_cache): Combine
	get_pc_function_start and frame_pc_unwind into frame_func_unwind.
	* cris-tdep.c (cris_frame_init_saved_regs): Ditto.
	* blockframe.c (frameless_look_for_prologue): Ditto.