[Bug ld/18841] Data relocations with IFUNC symbols can lead to segfault

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18841

--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_40-branch branch has been updated by Christophe Lyon
<clyon@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5d546b26ceca0e10c51c04b895d83b1460ea38c6

commit 5d546b26ceca0e10c51c04b895d83b1460ea38c6
Author: Christophe Lyon <christophe.lyon@arm.com>
Date:   Mon Jan 2 15:46:31 2023 +0000

    Fix PR18841 ifunc relocation ordering

    In order to get the ifunc relocs properly sorted the correct class
    needs to be returned.  The code mimics what has been done for AArch64.

    Fixes:
    FAIL: Run pr18841 with libpr18841b.so
    FAIL: Run pr18841 with libpr18841c.so
    FAIL: Run pr18841 with libpr18841bn.so (-z now)
    FAIL: Run pr18841 with libpr18841cn.so (-z now)

            bfd/
            PR ld/18841
            * elf32-arm.c (elf32_arm_reloc_type_class): Return
            reloc_class_ifunc for ifunc symbols.

            ld/testsuite/
            * ld-arm/ifunc-12.rd: Update relocations order.
            * ld-arm/ifunc-3.rd: Likewise.
            * ld-arm/ifunc-4.rd: Likewise.

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