[Info-vax] TCP/IP V5.6 ECO 4 caveat...

[Volker Halle]

On 5 Nov., 11:22, "R.A.Omond" <Roy.Om... at BlueBubble.UK.Com> wrote:
> Jur van der Burg wrote:
>
> > I have a hard time believing that. IOC$SEARCHDEV calls
> > IOC_STD$SEARCHDEV which calls IOC$SEARCH. The last routine
> > preserves R4, the first two don't use it. This is from the
> > Alpha V8.3 listings. Which version are we talking about?
>
> Jur,  isn't the point Brian is making that ECO 4 seems to
> have introduced "something untoward" ?  I've always found
> that one has to be careful that the source listings match
> what is actually there, given that the listings are often
> superseded by ECO kits.
>

A TCPIP ECO can not have changed routines, which live in an OpenVMS
execlet (like IOC$SEARCH in IO_ROUTINES.EXE). This IOC$SEARCH code has
most likely not been touched at all since 1996.

As the register value is being saved on the stack, this opens up
another way of corruption.

Volker.