[maemo-developers] Debugging the browser

[From: Akos Putz]

Hi,

I'm currently experimenting with npapi-compatible browser plugin
programming on the N800. My problem is, that debugging the browser
triggers some interesting gdb error message, see below:

~ $ gdb maemo-summoner
GNU gdb 6.4
Copyright 2005 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "arm-linux-gnueabi"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) r /usr/bin/browser.launch
Starting program: /usr/bin/maemo-summoner /usr/bin/browser.launch
(no debugging symbols found)
(no debugging symbols found)
BFD: /usr/lib/debug/lib/libc-2.3.6.so: warning: sh_link not set for
section `.ARM.exidx'
(no debugging symbols found)
(no debugging symbols found)
BFD: /usr/lib/debug/lib/ld-2.3.6.so: warning: sh_link not set for
section `.ARM.exidx'
(no debugging symbols found)
(no debugging symbols found)
maemo-summoner: summoning '/usr/bin/browser.launch'
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 2618)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
BFD: /usr/lib/debug/lib/librt-2.3.6.so: warning: sh_link not set for
section `.ARM.exidx'

Libosso WARNING: yet another handler registered for:
 service: com.nokia.osso_browser
 obj. path: /com/nokia/osso_browser
 interface: com.nokia.osso_browser
WARNING: osso_application_set_exit_cb() is obsolete and a no-op.
[New Thread 32769 (LWP 2621)]
[New Thread 16386 (LWP 2622)]
[Thread 16386 (LWP 2622) exited]
Cannot find thread 16386: invalid thread handle
(gdb) q
The program is running.  Exit anyway? (y or n) y

...and at this point, gdb freezes.

Note: using the opera8 backend (the microB seems to work almost fine,
btw), and my plugin is not yet installed, so it cannot be the cause.

Any thoughts?

Thanks in advance,
-- 
Akos