netdev - Re: [PATCH net-next v2 3/3] tools: bpftool: add documentation

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Message-ID: <20171003042906.24mnbsfbs3bkp2wy@ast-mbp>
Date:   Mon, 2 Oct 2017 21:29:08 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     netdev@...r.kernel.org, daniel@...earbox.net,
        oss-drivers@...ronome.com,
        David Beckett <david.beckett@...ronome.com>
Subject: Re: [PATCH net-next v2 3/3] tools: bpftool: add documentation

On Mon, Oct 02, 2017 at 06:35:09PM -0700, Jakub Kicinski wrote:
> > will pretty print them as verifier output as well?
> 
> We tried to use LLVM as a library for this but the interface is
> painfully unstable and it's a heavy dependency.  The current thinking
> is to try to put the instruction printing code in some higher level
> library, but I would rather leave that as a follow up.

follow up, of course.
Not depending on llvm is must have for this tool.
I think we need tiny and simple tools first.
Since you're using gpl+bsd license for this tool I think
it would be fine to copy-paste verifier's pretty print code into it.