linux-kernel - Re: [PATCH] tools/perf: Increase symbol KSYM_NAME

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Date:	Thu, 20 Oct 2011 12:14:51 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...e.hu,
	acme@...stprotocols.net, anton@...ba.org, daahern@...co.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/perf: Increase symbol KSYM_NAME_LEN size

On Thu, Oct 20, 2011 at 10:54:40AM +0300, Pekka Enberg wrote:
...
> 
> Is there some specified maximum length for symbols (e.g. in ELF spec)?
> I'm OK with the patch but I'd prefer we didn't bump up the number
> blindly there's something "official" number we can use.
> 
>                         Pekka

Elf restricts offsets in string table by 4 bytes, so probably the option
is to have complete .strtab being read somewhere and use indices when needed.
(note I didn't check where perf tool need those names).

	Cyrill
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