[Mesa-dev] Debugging into Mesa Driver

[roshan chaudhari]

Thanks for reply.

I have added "CFLAGS='-Og -ggdb3' CXXFLAGS='-Og -ggdb3'" into configure
file and ran
"./configure --enable-debug" ; make; make install

but still it did not step into driver.


On Wed, Jun 4, 2014 at 1:09 PM, Ian Romanick <idr at freedesktop.org> wrote:

> On 06/04/2014 11:14 AM, roshan chaudhari wrote:
> > Hello,
> >         I just cloned the mesa driver from git repository. I am trying
> > to debug the opengl application with mesa driver. I am not sure which
> > flag to enable for debugging and where, I built a driver with
> > -enable-debug in Makefile and added --DEBUG in CFLAGS in Makefile but
> > still when I try to step into driver code it does not allow me. I am
> > doing it with gdb in ubuntu.
>
> Modifying the CFLAGS in the Makefile is likely to cause problems.
> Instead, try
>
> CFLAGS='-Og -ggdb3' CXXFLAGS='-Og -ggdb3' ./configure --enable-debug <your
> other configure options>
>
> If your version of GCC is too old, you will need to use -O0 instead
> of -Og.
>
> That should be sufficient.  You can verify this by doing
>
>     gdb $(which glxgears)
>
> Then, at the gdb prompt,
>
>     break _mesa_Clear
>
> It will ask
>
>     Function "_mesa_Clear" not defined.
>     Make breakpoint pending on future shared library load? (y or [n])
>
> Answer 'y'.  Then,
>
>     run
>
> If it stops in _mesa_Clear, you're good to go.
>
> > Can anyone please help me with that?
> >
> > --
> >
> > Thanks,
> > Roshan
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
>
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