linux-kernel - Re: [PATCH 3/3] perf: parse the .debug_frame section in case .eh

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Message-ID: <20130912123847.GB15187@krava.brq.redhat.com>
Date:	Thu, 12 Sep 2013 14:38:47 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Jean Pihet <jean.pihet@...aro.org>
Cc:	Will Deacon <will.deacon@....com>, linux-kernel@...r.kernel.org,
	linaro-kernel@...ts.linaro.org,
	linux-arm-kernel@...ts.infradead.org, patches@...aro.org
Subject: Re: [PATCH 3/3] perf: parse the .debug_frame section in case
 .eh_frame is not present

On Mon, Sep 09, 2013 at 12:00:15PM +0200, Jean Pihet wrote:
> On ARM the debug info is not present in the .eh_frame sections but
> in .debug_frame instead, in the dwarf format.
> Use libunwind to load and parse the debug info.
> 
> Dependencies:
>  . if present, libunwind >= 1.1 is needed to prevent a segfault when
>    parsing the dwarf info,
>  . libunwind needs to be configured with --enable-debug-frame
>    to prevent a linkage error. Note: --enable-debug-frame is automatically
>    selected on ARM).
> 
> Signed-off-by: Jean Pihet <jean.pihet@...aro.org>

I tested the .eh_frame code is still functional, but
haven't tested the .debug_frame functionality itself

otherwise it looks ok:
Rewieved-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka
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