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Re: gdb questions
- To: Andrew Zimmerman <andrew at zimmerman dot net>
- Subject: Re: gdb questions
- From: Eli Zaretskii <eliz at is dot elta dot co dot il>
- Date: Thu, 19 Jul 2001 09:29:14 +0300 (IDT)
- cc: gdb at sources dot redhat dot com
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?