On Fri, 24 Sep 2004, Barry Scott wrote:
I'm trying to debug a problem with the Unichrome VIA
driver in XFree86 4.4.0.
How do you debug in the X server given that loadmod.c that
seems to be loading all the code is not using mechanisms
that allow gdb to know where the code is?
So far I've patched in a call to add messages to the XFree86 log
detailing the address that each module is loaded at.
Surely there is an easier way?
There have been several patches to add xfree86 module support to gdb,
and talk of these patches going back into the gdb code-base.
Googling XFree86 module gdb found me this patch
http://www.logix.cz/michal/devel/gdb-xfreemod/
and this reminder from
http://www.mail-archive.com/[EMAIL PROTECTED]/msg05907.html
With the special gdb you need to explicitly load the modules
in order to get a backtrace. Ie, before you get the backtrace enter
module /usr/X11R6/lib/modules
at the gdb prompt to indicate where to get the modules from.
--
Dr. Andrew C. Aitchison Computer Officer, DPMMS, Cambridge
[EMAIL PROTECTED] http://www.dpmms.cam.ac.uk/~werdna
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