On 7 Jan 2014, at 06:49, Rui Paulo <rpa...@freebsd.org> wrote:

> On 5 Jan 2014, at 05:00, Dimitry Andric <d...@freebsd.org> wrote:
> 
>> I need some assistance with this, from somebody who knows exactly how
>> CTF and DTrace work together.  Our CTF tools use libdwarf in base, which
>> is also quite old, and seems to be largely unmaintained.  It does not
>> seem to support anything beyond DWARF2.  I think it would be worthwhile
>> to upgrade this library from upstream ASAP.
> 
> Our libdwarf was a from scratch implementation and we never used the LGPL 
> libdwarf.  I don't know if it's worth investing time upgrading our BSD 
> licenced libdwarf or importing the LGPL libdwarf.  Given the push to keep the 
> tree mostly BSD licenced, I would say the former.

LLVM now has fairly complete DRAWF4 parsing support.  What interfaces do the 
ctf tools need, and are they the only consumers of libdwarf?

David

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