linux-kernel - Re: Compat 32-bit syscall entry from 64-bit task!?

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Message-ID: <CAK1hOcNXLO+TdFstZDX9bQyEMga=5A+4G4Sk6Te=PWe3+Q=+2Q@mail.gmail.com>
Date:	Thu, 26 Jan 2012 15:05:10 +0100
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	Jamie Lokier <jamie@...reable.org>
Cc:	Indan Zupancic <indan@....nu>, Oleg Nesterov <oleg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Lutomirski <luto@....edu>,
	Will Drewry <wad@...omium.org>, linux-kernel@...r.kernel.org,
	keescook@...omium.org, john.johansen@...onical.com,
	serge.hallyn@...onical.com, coreyb@...ux.vnet.ibm.com,
	pmoore@...hat.com, eparis@...hat.com, djm@...drot.org,
	segoon@...nwall.com, rostedt@...dmis.org, jmorris@...ei.org,
	scarybeasts@...il.com, avi@...hat.com, penberg@...helsinki.fi,
	viro@...iv.linux.org.uk, mingo@...e.hu, akpm@...ux-foundation.org,
	khilman@...com, borislav.petkov@....com, amwang@...hat.com,
	ak@...ux.intel.com, eric.dumazet@...il.com, gregkh@...e.de,
	dhowells@...hat.com, daniel.lezcano@...e.fr,
	linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, olofj@...omium.org,
	mhalcrow@...gle.com, dlaor@...hat.com,
	Roland McGrath <mcgrathr@...omium.org>
Subject: Re: Compat 32-bit syscall entry from 64-bit task!?

On Thu, Jan 26, 2012 at 12:47 PM, Jamie Lokier <jamie@...reable.org> wrote:
> Indan Zupancic wrote:
> Denys, would you be interested in further refactoring strace to use a
> "libsystrace" sort of thing which abstracts the detail of archs,
> tracing (and maybe syscall argument layout) away from the printing and
> user-interface, for strace's use and other users?  I would be happy to
> help with that and keep strace's non-Linux support as well (if there's
> any way to test the latter...)  I seem to be going in the direction of
> a library like that anyway for another project.

It might make sense to do this.
Design of this library would depend on the needs
of those other projects. Where can I see their code?

-- 
vda
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