From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eli Zaretskii <eliz@is.elta.co.il>
To: Andrew Zimmerman <andrew@zimmerman.net>
Cc: gdb@sources.redhat.com
Subject: Re: gdb questions
Date: Wed, 18 Jul 2001 23:27:00 -0000
Message-id: <Pine.SUN.3.91.1010719092848.28144E-100000@is>
References: <007b01c10fcd$6d1835a0$b42cc2d1@server>
X-SW-Source: 2001-07/msg00271.html

On Wed, 18 Jul 2001, Andrew Zimmerman wrote:

> > > 2. Does gdb have a way to examine the LDT (local descriptor table)? My
> > > application creates some additional selectors for segments that reside
> > > within the flat memory space allocated to the application.
> > 
> > Do you intend to port that code to Linux?  I don't know much about the
> > protection scheme employed by Linux, but from what I know, I'd doubt
> > very much that it will allow you to futz with the LDT.
> > 
> What is the purpose of the MODIFY_LDT system call?

I have no idea.  The main issue is: can an application issue that
system call without triggering a GPF?