gdb using Windows paths in dlopen()ed modules?

[Yaakov Selkowitz <yselkowitz at cygwin dot com>]

On 2016-04-12 10:20, Marco Atzeri wrote:
> On 22/02/2016 10:00, Yaakov Selkowitz wrote:
> > The following packages have been uploaded to the Cygwin distribution:
> >
> > * mesa-11.0.9-2
> > * dri-drivers-11.0.9-2
> > * libglapi0-11.0.9-2
> > * libGL1-11.0.9-2
> > * libGL-devel-11.0.9-2
> > * libOSMesa8-11.0.9-2
> > * libOSMesa-devel-11.0.9-2
> > * libEGL1-11.0.9-2
> > * libEGL-devel-11.0.9-2
> > * libGLESv2_2-11.0.9-2
> > * libGLESv2-devel-11.0.9-2
> > * windowsdriproto-11.0.9-2
> >
> > Mesa is an open-source implementation of the OpenGL specification, a
> > system
> > for rendering interactive 3D graphics.
> >
> > Complete documentation on OpenGL usage and configuration can be found
> > here:
> >
> > http://x.cygwin.com/docs/ug/using-glx.html
> >
> > This release has been rebuilt for LLVM 3.7.
> >
> > --
> > Yaakov
>
> Hi Yaakov,
> we found a case where the 32bit is segfaulting
> while dri-drivers-11.0.9-1
> works fine.
> For reference:
> https://cygwin.com/ml/cygwin/2016-04/msg00245.html
> https://cygwin.com/ml/cygwin/2016-04/msg00251.html
>
> To replicate with octave is enough :
> run from xterm
>    /usr/bin/octave-cli-4.0.1.exe
>
>   x=1:100;
>   plot(x,x)
>
> as dri-drivers seems absent from mesa-debuginfo
> I can not provide you a meaningful backtrace:
>
> #0  0xfc6d00a0 in ?? ()
> #1  0x43934357 in gallium_dri!__driDriverGetExtensions_swrast ()
>     from E:/cygwin/lib/dri/swrast_dri.so
[snip]
> #14 0x4fc1ae48 in glutJoystickGetCenter () from /usr/bin/cygglut-3.dll

Corinna,

I'm seeing this as well.  Any idea why gdb is using with dlopen()ed 
modules?  This is preventing it from finding the split debuginfo.

--
Yaakov

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