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[Bug gas/22791] PLT32 should be used for 32-bit PC-relative branches


From: rafael.espindola at gmail dot com
Subject: [Bug gas/22791] PLT32 should be used for 32-bit PC-relative branches
Date: Wed, 07 Feb 2018 21:42:43 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=22791

--- Comment #16 from Rafael Ávila de Espíndola <rafael.espindola at gmail dot 
com> ---
> > If your argument is that you can always treat PC32 relocations on branches
> > as if they were PLT32 relocations, why not just have the compiler emit PLT32
> > relocations in the first place?
> 
> Yes, this patch does that:
> 
> https://sourceware.org/ml/binutils/2018-02/msg00074.html

If I understand it correctly, the idea is to generate a R_X86_64_PLT32 for
"call foo" but a R_86_64_PC32 for ".long foo - .". If that is indeed what the
patch is doing, I love it :-)

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