This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
Re: Any way to get number of symbols in GNU_HASH section ?
>> is [there] any easy way to get number of symbols in a
>> GNU_HASH section, like old HASH section ?
>> Because the symbols are in order, you can it by
>> walking the chain of the last bucket. You know that the last symbol in
>> the chain will be the last symbol overall, and you can calculate its
>> offset from the start of the symbols.
> *Please* do better than that. Scan the array of bucket heads (whose length
> is given in the first word in the section), pick the head which points to
> the chain with highest address, then scan that [linear] chain to its end.
> Nothing in the specification requires a monotonic mapping from
> the heads to the chains. Perhaps the _current_ ld and gold do so,
> but there are other processors that [re-]write HASH sections.
I spent my last weekend on, thanks to the source code of readelf I
found this way.
Indeed, the source code was the only one "documentation" that helped me.
Thanks for reply.
--
Regards,
kernel_error