Khem Raj escribió:
On Sat, Jan 9, 2010 at 9:15 AM, Joerg Eesmann <[email protected]> wrote:
Hi again,
sometimes one can`t see the obvious, but thanks for help.
I connected gdb remote. But I got following message:
warning: The current binary is a PIE (Position Independent Executable),
which
GDB does NOT currently support. Most debugger features will fail if
used
in this session.
Reading symbols
from
/home/joerg/prj/OpenMoko/shr/shr-build/shr-unstable/tmp/work/armv4t-oe-linux-gnueabi/bluez4-4.59-r5.0/bluez-4.59/src/.libs/bluetoothd...done.
(gdb) target remote 192.168.0.202:3333
Remote debugging using 192.168.0.202:3333
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.
and I cannot set breakpoints or whatever.
I thought, gdb 7.0 is supporting PIE.
Is there any possibility to compile bluez4 not as PIE, would it work?
you could add -nopie to ldflags
While googeling, I found some patches for gdb, which may help.
Any ideas?
they could if you send the pointers.
(by the way, is there a usable graphical frontend for gdb for this case:
remote-debugging wit cross gdb)?
I have used ddd its decent. You can also use eclipse CDT they are others too
http://sourceware.org/gdb/wiki/GDB%20Front%20Ends
I also used eclipse (galileo) with CDT extensions. It's a good idea, as
you can compile/debug the application with the same tool.
I only managed to get it running (until the message) textbased.
Thank you for supporting me,
best regards,
Joerg
On Fri, 2010-01-08 at 14:39 -0800, Khem Raj wrote:
On (08/01/10 22:37), Joerg Eesmann wrote:
Hi there,
I am trying to remote debug my Openmoko freerunner.
I already installed succesfully gdbserver, and can attach it to the
progem I am going to debug.
The question is, what to do on host side?
I bitbaked gdb-cross-sdk, I bitbaked my changed package (bluez4)
So I will install a debug version of the package, and attach to the
bluetoothd-demon.
On host side, I guessed I needed a gdb, that can handle ARM-processor,
therefore gdb-cross-sdk.
Now I should have everything... but a few questions left.
GDB ist only ipk-package, what to do with this?
you need gdb-cross once you build that you should be able to use it
from same place as cross gcc.
Where do I find the arm-compiler bluetoothd on my host (I guess in work,
but will this be the strippded version or not, because also stripped
package has been made).
Am I on the right way? Is there any howto or something like that
availlable, where you could point me?
if you build it then the non stripped version should be there in
your workdir (where the package was built)
-Khem
thank you for your help in advance,
best regards,
Joerg
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