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Article #2488

Re: Re: oops, corrupted memory again!

#2488
From: paul%unisoft
Date: Tue, 06 May 1986 00:52
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<oog>

	I too spent many happy years working on a system that ALWAYS verified
pointers and array bounds ... Burroughs large systems (B6700 et al), they
have such a crude memory management (to be fair they were designed in the late
60s early 70s, and have a stack architecture) that the system integrity depends
on the fact the NOONE can make machine code with out using a special trusted
program called a "compiler" (ie only a "compiler" can set a file's type to
code file). It takes the super-user to mark a code file as being a "compiler"
code file. Needless to say no-body really misses not being able to turn off
range checking, except for the Fortran types who get programs from elsewhere ...

		Paul Campbell
		..!ucbvax!unisoft!paul
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References: <231@ubc-cs>

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From: paul%unisoft@unisoft.UUCP
Newsgroups: net.arch
Subject: Re: Re: oops, corrupted memory again!
Message-ID: <57@unisoft>
Date: Mon, 5-May-86 20:52:00 EDT
Article-I.D.: unisoft.57
Posted: Mon May  5 20:52:00 1986
Date-Received: Sun, 11-May-86 15:47:48 EDT
References: <231@ubc-cs>
Lines: 14