* Makefile.in (XMLFILES): Add library-list.dtd.

	(ALLDEPFILES): Add solib-target.o.
	(solib-target.o): New rule.
	* remote.c (PACKET_qXfer_libraries): New constant.
	(remote_protocol_features): Add qXfer:libraries:read.
	(remote_wait): Recognize library stop replies.
	(remote_async_wait): Likewise.  Fix typo.
	(remote_xfer_partial): Handle TARGET_OBJECT_LIBRARIES.
	(init_remote_async_ops): Fix typo.
	(_initialize_remote): Register "set remote library-info-packet".
	* solib-som.c (som_current_sos): Set addr_low and addr_high.
	* solib-target.c: New file.
	* solib.c (solib_map_sections): Use addr_low and addr_high instead
	of textsection.
	(info_sharedlibrary_command): Likewise.
	(solib_add_library, solib_remove_library): New.
	* solist.h (struct so_list): Replace textsection with addr_low and
	addr_high.
	* target.h (enum target_object): Add TARGET_OBJECT_LIBRARIES.
	* NEWS: Describe new qXfer:libraries:read and shared library
	event support.
	* features/library-list.dtd: New.

	* gdb.texinfo (Remote Configuration): Document library-info-packet.
	Add other missing entries.  Adjust the table size to fit.
	(Stop Reply Packets): Use @itemize instead of @enumerate.  Document
	stop reasons including the new "library" event.
	(General Query Packets): Adjust table widths for qSupported.  Mention
	qXfer:libraries:read reply to qSupported and document the new packet.
	(Library List Format): New section.