* somsolib.c: Add TODO list.

	* somsolib.c: Add TODO list.
	(som_solib_add): Immediately return if $SHLIB_INFO$ sections does
	not exist or has size zero.  Slightly simplify error handling.
	Keep an internal list of all the loaded shared libraries and
	various tidbits of information about the loaded shared libraries.
	Build section tables for each loaded shared library and add those
	tables to the core target if necessary.
	(som_solib_create_inferior_hook): Force re-reading of shared
	libraries at exec time.
	(som_sharedlibrary_info_command): New function for dumping
	information about the currently loaded shared libraries.
	(_initialize_som_solib): New function.