[Bug libc/18822] Internal functions are called via PLT

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18822

--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to H.J. Lu from comment #2)
> (In reply to joseph@codesourcery.com from comment #1)
> > Could you post your tools for identifying such calls?  I agree we should 
> 
> On x86:
> 
> readelf -rw libc_pic.a | grep "  __" | grep R_386_PLT32 | grep -v __GI | awk
> '{ print $5 }' | sort | uniq

Please use “readelf -rwW”, it avoids truncating the symbols.

Do these instances not show up in libc.so.6 because the linker optimizes them
to direct calls due to their symbol visibility?

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