Re: How to tell gdb about dlls using remote protocol

Daniel Jacobowitz
2007-02-07T22:17:06Z

On Wed, Feb 07, 2007 at 11:14:27PM +0100, Mark Kettenis wrote:
> I think this diff makes sense. However, I'm pretty sure there are
> Linux systems out there where this will make things worse :(. In
> particular, on kernels with a vsyscall page buit without the stub
> shared library for that page, this change will systematically skip a
> frame. And that frame is quite crucial since it is the frame for the
> libc system call stub, so it will be hard for a user to find out in
> what system call the program is blocked on.
>
> I have no idea though how many people are still runing those kernels.
> That number might be very low enough for us not to care.

For what it's worth, I think it is. And, if it isn't, it would be
straightforward to add a custom frame sniffer to i386-linux-tdep.c
to recognize that case. I don't know what the affected versions
are, though.

--
Daniel Jacobowitz
CodeSourcery