* objdump.c (prefix_addresses): New static variable.

	* objdump.c (prefix_addresses): New static variable.
	(long_options): Add "prefix-addresses".
	(compare_symbols): Sort BSF_FUNCTION symbols before other
	symbols.
	(find_symbol_for_address): New static function, broken out of
	objdump_print_address.
	(objdump_print_addr_with_sym): New static function, broken out of
	objdump_print_address.
	(objdump_print_address): Call new functions.
	(disassemble_bytes): New static function, broken out of
	disassemble_data.  Change disassembly format, unless
	prefix_addresses is set.
	(disassemble_data): Call disassemble_bytes.  Unless
	prefix_addresses is set, disassemble in chunks headed by a
	symbol.
	* binutils.texi, objdump.1: Document --prefix-addresses.