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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19178] ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA
 confuses prelink
Date: Wed, 27 Jan 2021 14:40:06 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D19178

--- Comment #23 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot g=
nu.org> ---
The master branch has been updated by Matheus Castanho
<mscastanho@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D01cdcf783a666481133=
d4975b1980624b0ef4799

commit 01cdcf783a666481133d4975b1980624b0ef4799
Author: Matheus Castanho <msc@linux.ibm.com>
Date:   Tue Dec 15 15:35:41 2020 -0300

    elf: Limit tst-prelink-cmp target archs

    elf/tst-prelink-cmp was initially added for x86 (commit fe534fe898) to
validate
    the fix for Bug 19178, and later applied to all architectures that use
GLOB_DAT
    relocations (commit 89569c8bb6).  However, that bug only affected targe=
ts
that
    handle GLOB_DAT relocations as ELF_TYPE_CLASS_EXTERN_PROTECTED_DATA, so=
 the
test
    should only apply to targets defining DL_EXTERN_PROTECTED_DATA, which g=
ates
the
    usage of the elf type class above.  For all other targets not meeting t=
hat
    criteria, the test now returns with UNSUPPORTED status.

    Fixes the test on POWER10 processors, which started using R_PPC64_GLOB_=
DAT.

    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

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