netdev - Re: [PATCH net-next 4/4] filter: add minimal BPF JIT emitted image disassembler

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Message-ID: <1363748314.31336.30.camel@deadeye.wl.decadent.org.uk>
Date:	Wed, 20 Mar 2013 02:58:34 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Daniel Borkmann <dborkman@...hat.com>
CC:	<netdev@...r.kernel.org>, <davem@...emloft.net>,
	<eric.dumazet@...il.com>, <jasowang@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 4/4] filter: add minimal BPF JIT emitted image
 disassembler

On Tue, 2013-03-19 at 14:28 +0100, Daniel Borkmann wrote:
> This is a minimal stand-alone user space helper, that allows for debugging or
> verification of emitted BPF JIT images. This is in particular useful for
> emitted opcode debugging, since minor bugs in the JIT compiler can be fatal.
> The disassembler is architecture generic and uses libopcodes and libbfd.
[...]
> ---
>  scripts/bpf_jit_disasm.c | 216 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 216 insertions(+)
>  create mode 100644 scripts/bpf_jit_disasm.c
[...]

This might belong in tools.  scripts is mostly for build scripts now.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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