gdb questions

[Eli Zaretskii]

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?