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Re: [Libunwind-devel] vdso and libunwind


From: Lassi Tuura
Subject: Re: [Libunwind-devel] vdso and libunwind
Date: Wed, 21 Apr 2010 20:08:33 +0200

Hi,

> Did you look at the ia64 version of libunwind?  It does handle VDSO.  
> Frankly, I don't remember the details off hand, but if it doesn't make sense 
> to you, let me know and I'll refresh my memory.

I didn't before, but did now. It's a good example - except that it uses 
getunwind() which appears to be ia64-only syscall. The man page points me to 
look at AT_SYSINFO_EHDR, so assuming I can lay my hands somehow on the auxv, it 
should be possible grab this. Will investigate. Thanks, this was useful!

Regards,
Lassi



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