gdb/

	gdb/
	* solib-dsbt.c (bfd_lookup_symbol): Removed.
	(cmp_name): New.
	(enable_break2): Update caller.
	* solib-frv.c (bfd_lookup_symbol): Removed.
	(cmp_name): New.
	(enable_break2): Update caller.
	* solib-pa64.c (bfd_lookup_symbol): Removed.
	(cmp_name): New.
	* solib-svr4.c (bfd_lookup_symbol): Removed.
	(cmp_name_and_sec_flags): New.
	(enable_break): Update caller.
	* solib.c (gdb_bfd_lookup_symbol_from_symtab): New.
	(gdb_bfd_lookup_symbol_from_dyn_symtab): New.
	(gdb_bfd_lookup_symbol): New.
	* solib.h: Functions declarations.