[PATCH] Export stack_used as __stack_used

[Florian Weimer]

On 06/20/2016 11:04 AM, Andreas Schwab wrote:
> Florian Weimer <fweimer@redhat.com> writes:
>
>> Could we export a single symbol which is a struct and contains all the
>> data we need?  Then the impact on dynamic symbol table size would be
>> minimal.
>
> That would raise the issue of compatibility. Probing each symbol
> separately is much easier than trying to extend the struct.  What
> exactly _is_ the impact of making the dynamic symtab a few entries
> bigger?

Does compatibility really matter?  I thought you need exactly matching 
libpthread and libthread_db versions anyway.  I suppose we could even 
compile the offsets into libthread_db.

I assume that for compatibility across multiple versions, we will need 
something like Infinity.

Thanks,
Florian