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[Bug binutils/27128] nm -P portable output format regression


From: josh at joshtriplett dot org
Subject: [Bug binutils/27128] nm -P portable output format regression
Date: Wed, 06 Jan 2021 23:31:29 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=27128

Josh Triplett <josh at joshtriplett dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #5 from Josh Triplett <josh at joshtriplett dot org> ---
This fix made the output much better, but there's still an issue with it.

Example:

$ nm -DP /usr/lib/x86_64-linux-gnu/libavutil.so.56 | grep av_calloc
av_calloc@@LIBAVUTIL_56 T 3cf90 79
$ nm -DP /usr/bin/ffmpeg | grep av_calloc
av_calloc@LIBAVUTIL_56 U         

The defined symbol has an @@, while the undefined symbol has an @, which
prevents tools from matching up the two.

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