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Mail Archives: djgpp/2000/01/05/22:25:20

Date: Thu, 6 Jan 2000 08:16:06 +0500 (MVT)
From: Prashant TR <prashant_tr AT yahoo DOT com>
To: Martin Str|mberg <ams AT ludd DOT luth DOT se>
cc: djgpp AT delorie DOT com
Subject: Re: The endless int31 hooking debugging continued
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On Wed, 5 Jan 2000, Martin Str|mberg wrote:

> One more thing: is the cs selector read-only? One of my crashes seems
> to imply that (general protection fault at the instruction "movw %ss,
> %cs:_i_ss").

Yes, it is read-only. You have three kinds of descriptors for code
segments. All of them are execute only or both execute and read-only.
DJGPP uses execute/read-only segment descriptors if I'm right.

Prashant
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