[Bug ld/22764] [2.30 Regression] ld fails to link 4.13 and 4.15 kernels on aarch64-linux-gnu

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=22764

--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Renlin Li <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=279b2f94168ee91e02ccd070d27c983fc001fe12

commit 279b2f94168ee91e02ccd070d27c983fc001fe12
Author: Renlin Li <address@hidden>
Date:   Sat Feb 3 13:18:17 2018 +0000

    [PR22764][LD][AARCH64]Allow R_AARCH64_ABS16 and R_AARCH64_ABS32 against
absolution symbol or undefine symbol in shared object.

    The assumption that R_AARCH64_ABS16 and R_AARCH64_ABS32 relocation in LP64
abi
    will be used to generate an address does not hold for absolute symbol.
    In this case, it is a value fixed at static linking time.

    The condition to check the relocations is relax to allow absolute symbol
and
    undefined symbol case.

    bfd/

    2018-02-05  Renlin Li  <address@hidden>

        PR ld/22764
        * elfnn-aarch64.c (elfNN_aarch64_check_relocs): Relax the
        R_AARCH64_ABS32 and R_AARCH64_ABS16 for absolute symbol. Apply the
        check for writeable section as well.

    ld/

    2018-02-05  Renlin Li  <address@hidden>

        PR ld/22764
        * testsuite/ld-aarch64/emit-relocs-258.s: Define symbol as an address.
        * testsuite/ld-aarch64/emit-relocs-259.s: Likewise.
        * testsuite/ld-aarch64/aarch64-elf.exp: Run new test.
        * testsuite/ld-aarch64/pr22764.s: New.
        * testsuite/ld-aarch64/pr22764.d: New.

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