Re: S/360 addressing, not Honeywell 200

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#618463

From: John Levine
Date: Mon, 29 Jan 2018 22:29

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In article <2e84c3ac-e42b-402f...@googlegroups.com>,
 <hanc...@bbs.cpcn.com> wrote:
>> overoptimistic.  It's true, the code itself is position independent if
>> you follow some common conventions, but real programs all have
>> pointers stored in memory, which have to be relocated if the program
>> moves.
>
>IIRC my S/360-DOS days, our application programs were called
>"relocatable".  That meant, at execution time, they could be loaded
>anyway in the machine (but then, stayed static at that location for
>the duration of the job).   

Yup, there were (still as as far as I know on z/VSE) RLD records in
load modules that told the program fetcher what to relocate as it was
loading the program.  OS used (uses) the same object formats.  Read
all about it in my book.

-- 
Regards,
John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

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From: John Levine <jo...@taugh.com>
Newsgroups: alt.folklore.computers
Subject: Re: S/360 addressing, not Honeywell 200
Date: Mon, 29 Jan 2018 22:29:55 -0000 (UTC)
Organization: Taughannock Networks
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