Very Good, tks

> -----Mensagem original-----
> De: IBM Mainframe Assembler List <[email protected]>
> Em nome de Steve Smith
> Enviada em: quinta-feira, 18 de agosto de 2022 11:03
> Para: [email protected]
> Assunto: Re: ASMA080E Statement is unresolvable
>
> Ha, I expected Jonathan Scott would explain the complications...
>
> I forgot to mention, there should also be a DS 0F just before the FTOECLR
> DS    0CL(FTOECLRL) to ensure it lands in the right place.
>
> sas
>
> On Thu, Aug 18, 2022 at 9:58 AM Jonathan Scott
> <[email protected]>
> wrote:
>
> > The DS 0CL cannot be resolved in the first pass, because the
> > length is a forward reference, and that creates a location
> > counter break at that point, so the alignment after it is
> > unknown and padding bytes might be needed at any point where a
> > more aligned field follows a weaker alignment.
> >
> > (In this case, as the duplication factor is zero, a person can
> > tell that this would not affect the location counter, but as the
> > whole DC gets deferred as "unresolved" this causes a break.  We
> > have investigated the possibility of an enhancement to allow a
> > DC statement to be "partially resolved" to improve handling of
> > similar cases, but this would be very difficult to implement.)
> >
> > This means that if the first field does not have the strongest
> > alignment, the length cannot be resolved until the alignment
> > before that field is known, but the DS 0CL cannot be resolved
> > until the length is known, so the statement cannot be resolved.
> >
> > João writes:
> > > 000020                            32923+FTOECLR  DS    0CL(FTOECLRL)
> > > ** ASMA080E Statement is unresolvable
> > ...
> > > When I put FTOAASCB (a fullword) in the front, it works fine.
> > >
> > > When I put FTOMTLN (a halfword) in the front, is doesn’t work.
> >
> > Jonathan Scott, HLASM
> > IBM Hursley, UK
> >


--
O software antivírus Avast realizou uma checagem de vírus neste e-mail.
www.avast.com

Reply via email to