[Info-vax] PostgreSQL (Re: open source OpenVMS (Re: Oracle-RDB seminar notes))

[Stephen Hoffman]

On 2013-04-04 23:21:21 +0000, David Froble said:

> As an example, transfer vectors for RTLs on VAX.  Made perfect sense to 
> me.  Used them in the RTLs I produced.
> 
> Now for Alpha.  No more transfer vectors.  Something done in the 
> linker.   I've had people tell me the Alpha method is much easier.  I 
> just don't "get it".  To this day, I need to hire help to do such 
> things.


With Alpha, the linker creates and manages and stores the entries in 
the symbol vector for you, and marks them as universal symbols, etc...

<http://h71000.www7.hp.com/doc/83final/4548/4548pro_021.html>

Examples of some experimentation with the pieces:

<https://groups.google.com/d/msg/comp.os.vms/Xs2LGCmTEiI/SbvjkOzmO2cJ>

An overview of what's involved and some DCL for creating transfer 
vectors / symbol vectors for VAX, Alpha and Itanium:

<http://labs.hoffmanlabs.com/node/163>


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