linux-kernel - Re: [PATCH] Extend core dump note section to contain file names of mapped files

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Message-Id: <201204011533.51628.vda.linux@googlemail.com>
Date:	Sun, 1 Apr 2012 15:33:51 +0200
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Jan Kratochvil <jan.kratochvil@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Extend core dump note section to contain file names of mapped files

On Sunday 01 April 2012 05:13, Andi Kleen wrote:
> > I propose to save this information in core dump, as a new note
> > in note segment.
> 
> Seems like a good idea but rather than write complicated code i would just reuse
> the /proc/*/maps code and dump it in that format?

I looked at this code (it's in fs/proc/task_mmu.c).

It uses seq_printf(). It will need refactoring if we would
want to use it for purposes other than /proc pseudo-file
generation.

-- 
vda
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