linux-kernel - Re: [Libunwind-devel] [RFC PATCH 0/3] Add support for dwarf compat mode unwinding

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Message-ID: <CAN7rbOudSDZFwqeJg5=yYdCkCxWyxp1ZGyi1epQ=MpoXyLPaDQ@mail.gmail.com>
Date:	Mon, 3 Feb 2014 07:50:43 -0800
From:	Arun Sharma <arun@...rma-home.net>
To:	Jean Pihet <jean.pihet@...aro.org>
Cc:	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	libunwind-devel <libunwind-devel@...gnu.org>
Subject: Re: [Libunwind-devel] [RFC PATCH 0/3] Add support for dwarf compat
 mode unwinding

On Mon, Feb 3, 2014 at 7:28 AM, Jean Pihet <jean.pihet@...aro.org> wrote:

>> Something like ./configure --target=arm on aarch64.
>
> Thanks for the link and info.
>
> Is there a concrete example of cross-unwinding with multiple targets,
> for example on x86_64 using native and x86_32 libunwind libraries
> simultaneously?
> I am trying to assess the impact of multiple unwinding libs in the perf code.

Might want to check with folks who worked on Frysk. There was some
criticism that it was non-trivial, but it's been done.

http://lists.nongnu.org/archive/html/libunwind-devel/2007-05/msg00006.html

 -Arun
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