2003-01-09 Andrew Cagney <ac131313@redhat.com>

	* frame.h (frame_obstack_zalloc): Replace frame_obstack_alloc.
	Update comments.
	* frame.c (frame_obstack_zalloc): Replace frame_obstack_alloc.
	(frame_saved_regs_zalloc): Update.
	(frame_saved_regs_register_unwind): Update.
	(create_new_frame): Update.
	(get_prev_frame): Update.
	(frame_extra_info_zalloc): Update.
	(deprecated_get_frame_saved_regs): Update.
	* dwarf2cfi.c (cfi_init_extra_frame_info): Update.
	* cris-tdep.c: Update comment.