Disassemble a symbol from an ELF file.

def disasm_symbol_app(_parser, _, args):  # pragma: no cover
    """
    Disassemble a symbol from an ELF file.
    """

    parser = argparse.ArgumentParser(
        prog=_parser.prog,
        description=_parser.description,
    )
    parser.add_argument(
        '--syntax', '-s',
        choices=AsmSyntax.__members__.keys(),
        default=None,
    )
    parser.add_argument('file', help='ELF file to extract a symbol from')
    parser.add_argument('symbol', help='the symbol to disassemble')

    args = parser.parse_args(args)
    if args.syntax is not None:
        syntax = AsmSyntax.__members__[args.syntax]
    else:
        syntax = None
    elf = ELF(args.file)
    symbol = elf.get_symbol(args.symbol)
    print('\n'.join(disasm(symbol.content, symbol.value, syntax=syntax, target=elf)))