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Re: [Libunwind-devel] libunwind ARM port

From: Daniel Jacobowitz
Subject: Re: [Libunwind-devel] libunwind ARM port
Date: Thu, 3 Jan 2008 09:37:31 -0500
User-agent: Mutt/1.5.17 (2007-12-11)

On Thu, Jan 03, 2008 at 09:42:36AM -0400, Anderson Lizardo wrote:
> I tested your patch on ARM for both local and remote unwinding. It
> worked fine for local, but not for remote. After some investigation, I
> noticed that remote unwiding using dwarf_step() does not work for x86
> either (at least on libunwind 0.98.5), but in case of x86 it falls
> back to frame-chain unwinding. ARM, on the other hand, simply returns
> 0 when dwarf_step() fails.
> Is that behaviour expected for libuwind or is that a bug? I'll test
> latest git version on x86 to check the behaviour.

I expected remote unwinding on the same system to work - but I haven't
tried it, so my opinion may not be the most useful.

Daniel Jacobowitz

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