* Shared libaray/corefile changes from Peter Schauer:

	* Shared libaray/corefile changes from Peter Schauer:
	core.c (core_close): Call CLEAR_SOLIB.
	(core_open): Remove comment about "should deal with shared lib".
	(core_xfer_memory): If we can't xfer the usual way, try the
	shared libraries.
	solib.c (so_list): New fields so_bfd and so_sections{,_end}.
	(find_solib): Use solib_map_sections to get ld_text.
	(solib_map_sections, solib_xfer_memory): New functions.
	(clear_solib): Free so_sections and close so_bfd.
	tm-sunos.h: Add solib_xfer_memory, solib_add.