def get_symbols(bv):
    """Return all symbols in binary.

    Args:
        bv (BinaryView): top-level binary view handler. Lots of
                         interesting methods can be accessed.

    Returns:
        list: list of symbols in binary.
    """
    total_symbols = list()
    for s in bv.symbols.values():
        if isinstance(s, list):
            total_symbols.extend(s)
        else:
            total_symbols.append(s)
    return total_symbols