* ecoff.c (ecoff_symbol_clone_hook): New function.

	* ecoff.c (ecoff_symbol_clone_hook): New function.
	* ecoff.h (ecoff_symbol_clone_hook): Declare.
	* obj.h (struct format_ops): Add symbol_clone_hook.
	* config/obj-aout.c (aout_format_ops): Init new field.
	* config/obj-coff.c (coff_format_ops): Likewise.
	* config/obj-ecoff.c (ecoff_format_ops): Likewise.
	* config/obj-elf.c (elf_format_ops): Likewise.
	* config/obj-ecoff.h (obj_symbol_clone_hook): Define.
	* config/obj-multi.h (obj_symbol_clone_hook): Define.