[olsr-dev] using gdb on the plugins

[Andreas Tønnesen]

(gdb) set environment LD_PRELOAD /usr/lib/olsrd_dyn_gw.so.0.2
(gdb) break check_gw
Function "check_gw" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Breakpoint 1 (check_gw) pending.

- Andreas

Jens Nachtigall wrote:
> Hi,
> 
> using the gdb on olsrd works fine. However, I cannot
> get the gdb properly working on the plugins, i.e. 
> step into the plugins, i.e. shared library:
> 
> (gdb) break check_gw
> [...]
> Breakpoint 2, 0x40018f18 in check_gw () from /home/jens/software/olsrd-current/lib/dyn_gw/olsrd_dyn_gw.so.0.2
> (gdb) step
> Single stepping until exit from function check_gw,
> which has no line number information.
> olsr_printf (loglevel=1, format=0x80540d0 "U\211�203�030@�006\b\213") at src/olsr.c:594
> 594       if(loglevel <= olsr_cnf->debug_level)
> (gdb)
> 
> So basically gdb seems to skip the plugins' code until a 
> function from olsrd is called. 
> 
> The mentioned check_gw function is a function in dyn_gw, but taking
> any other plugin function results in the same "skipping".
> 
> Do you have the same problem? Any hints on how to get debugging working?
> 
> I use the cvs version on an Intel.
> 
> Jens
>                                        
> 
> 
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-- 
Andreas Tønnesen
http://www.olsr.org