[Bug ld/27624] OpenRisc BFD (GNU Binutils) 2.36.1 assertion fail elf32-or1k.c:2377

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27624

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The or1k-large-fixes branch has been updated by Stafford Horne
<shorne@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a76ef689b60405e494cb99e198acf3c82f467f7d

commit a76ef689b60405e494cb99e198acf3c82f467f7d
Author: Stafford Horne <shorne@gmail.com>
Date:   Thu May 6 20:51:24 2021 +0900

    or1k: Fix issue with plt link failure for local calls

    When building protobuf we were seeing the assert failure:

       
/home/giuliobenetti/git/upstream/or1k-binutils-2.36.1/host/lib/gcc/or1k-buildroot-linux-uclibc/9.3.0/../../../../or1k-buildroot-linux-uclibc/bin/ld:
        BFD (GNU Binutils) 2.36.1 assertion fail elf32-or1k.c:2377
       
/home/giuliobenetti/git/upstream/or1k-binutils-2.36.1/host/lib/gcc/or1k-buildroot-linux-uclibc/9.3.0/../../../../or1k-buildroot-linux-uclibc/bin/ld:
        BFD (GNU Binutils) 2.36.1 assertion fail elf32-or1k.c:2377
       
/home/giuliobenetti/git/upstream/or1k-binutils-2.36.1/host/lib/gcc/or1k-buildroot-linux-uclibc/9.3.0/../../../../or1k-buildroot-linux-uclibc/bin/ld:
        BFD (GNU Binutils) 2.36.1 assertion fail elf32-or1k.c:2377
        collect2: error: ld returned 1 exit status

    This failure happens while writing out PLT entries, there is a check
    "BFD_ASSERT (h->dynindx != -1)" to confirm all plt entries have dynamic
    symbol attributes.  This was failing for symbols that were
    "forced_local" in previous linking code.

    The fix adds logic to or1k_elf_adjust_dynamic_symbol to identify
    "forced_local" symbols and exclude them from the the PLT.

    bfd/ChangeLog:

            PR 27624
            * elf32-or1k.c (or1k_elf_adjust_dynamic_symbol): Change
            condition used to cleanup plt entries to cleanup forced local
            entries.

    Cc: Giulio Benetti <giulio.benetti@benettiengineering.com>

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