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From: Peng Yu <pengyu.ut@gmail.com>
Date: Thu, 8 Apr 2021 19:12:39 -0500
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Subject: Is there a way to distinguish binary files compiled with
 -D_FORTIFY_SOURCE=1 and -D_FORTIFY_SOURCE=2?
To: libc-help <libc-help@sourceware.org>
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https://gcc.gnu.org/legacy-ml/gcc-patches/2004-09/msg02055.html

When I compile a .c file with -D_FORTIFY_SOURCE=1 and
-D_FORTIFY_SOURCE=2, the binary files both contain symbols like
..._chk@...

So I can not tell whether _FORTIFY_SOURCE is 1 or 2 just by whether
symbols have ..._chk@....

Is there a way to tell the difference only from the binary file?

-- 
Regards,
Peng