Date: Thu, 6 Jan 2000 08:16:06 +0500 (MVT) From: Prashant TR To: Martin Str|mberg cc: djgpp AT delorie DOT com Subject: Re: The endless int31 hooking debugging continued In-Reply-To: <00010607330900.00509@yahoo> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: dj-admin AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk 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 --------------------------------------------------- One pound of learning requires ten pounds of common sense to apply it.