Re: gdb 5.3nb1 crashing when accessing elements in static libs

[Daniel Jacobowitz <drow@false.org>]

On Mon, Apr 04, 2005 at 11:53:39AM +0200, Stuart Brooks wrote:
> Hi,
> 
> I'm new to this list, so if this is not the right place to be posting
> please let me know....
> 
> I am experiencing problems when interrogating a core file - as soon as I
> try to access a global variable in a statically linked library or view
> the internals of a class/struct declared in a static lib gdb either says
> <unknown type>, gives garbage or segmentation faults. Details of my
> system are:
> 
> OS: Netbsd 2.0
> gdb: 5.3nb1
> compiler: g++ 3.3
> 
> Using the same code, gdb works fine on [Netbsd 1.5.1,gdb 4.17,g++
> 2.91.66] and [Netbsd 1.6.2,gdb 5.0nb1,g++ 2.95.3] so it looks to me like
> a conflict between g++ and gdb. The libs are being compiled with -g and
> without optimizations. I'm really not too sure what to do from here. Any
> ideas/help would be much appreciated ...

You should try a more recent version of GDB.  The latest release is
6.3, and the CVS has an additional almost-year of development.

> Also when trying to print out the value of a global pointer I get this:
> 
> (gdb) p server
> $5 = 134692864

Probably server has no debug information in your object.

-- 
Daniel Jacobowitz
CodeSourcery, LLC