On Wed, 26 Jun 2013 12:34:45 -0400, John Gilmore wrote: >Tom Marchant wrote: > ><begin extract> >That is one way to save the caller's registers, not the only >documented Linkage convention. ></end extract> > >and this is formally correct. There is, however, something of an >obligation to use a caller-/invoker-supplied save area when one is in >fact supplied.
No there isn't. Certainly the Linkage Conventions chapter in the Assembler Services Guide does not say that. It is perfectly legitimate, for example, to use BAKR to save your caller's registers. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
