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Re: [Libunwind-devel] In the Linaro environment ...

From: Myke Smith
Subject: Re: [Libunwind-devel] In the Linaro environment ...
Date: Tue, 11 Oct 2011 10:17:05 -0700

Thanks, I am on vacation at the moment, I will work on this when I return..

I do not explicitly call out -funwind-tables but when I run you variant of 
debuggerd I do get everything to correctly backtrace even with stripped 
binaries which implies to me that the unwind-tables were being generated.

Thanks for your work on this and I will dig back in on my return.


On Oct 11, 2011, at 7:24 AM, Ken Werner wrote:

> On 09/26/2011 05:53 PM, Myke Smith (Palm GBU) wrote:
>> Ken,
>> When running the libunwind test suite on ARM I am getting a large number of 
>> failures. What is  the expectation and what do you see in your environment? 
>> Before I start digging in with GDB I want to see if this is expected or not.
> Hello Myke,
> Sorry for the delay - I've been on vacation.
> Ubuntu on ARM comes with a compiler that doesn't generate the ARM 
> specific unwind tables by default. I suspect you ran the libunwind 
> testsuite against binaries that don't have any unwind infos (DWARF or 
> ARM exidx). You may try to compile and run the testsuite like this:
> make check CFLAGS="-funwind-tables"
> There are still a lot of fails on ARM Linux and any help to get things 
> further is greatly appreciated. The Linaro wiki has a page that focuses 
> on libunwind on ARM and also shows some testsuite results at the end:
> Regards
> Ken

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