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[Bug binutils/18025] dwarf2 debug info after rebasing DLLs unusable


From: jon.turney at dronecode dot org.uk
Subject: [Bug binutils/18025] dwarf2 debug info after rebasing DLLs unusable
Date: Tue, 28 Mar 2017 17:31:47 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=18025

--- Comment #16 from Jon Turney <jon.turney at dronecode dot org.uk> ---
(In reply to Nick Clifton from comment #14)
>   The problem, I believe, is not the line number lookup code, but rather the
>   bias computation code.  This is performing a linear scan of the symbol table
>   for every functional unit.

Yes.

>   Please could you try out the uploaded patch.  I found that with this applied
>   the "nm -l" scan of the cygstdc++6.dll took just 15 seconds, which I hope is
>   fast enough.

Thanks very much for looking at this.

This seems to work and is at least 10,000 times faster! Awesome :)

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