[Bug ld/20828] GC-ed DSO symbols make corresponding symbols defined by a linker script local

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20828

--- Comment #41 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Maciej W. Rozycki <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=12f09816cecc4e4ee7574a86846b3a17adbf7904

commit 12f09816cecc4e4ee7574a86846b3a17adbf7904
Author: Maciej W. Rozycki <address@hidden>
Date:   Mon Jul 2 23:57:22 2018 +0100

    MIPS/BFD: Make section GC work with `ict_irix5' targets

    Prevent runtime procedure table symbols, produced with `ict_irix5' MIPS
    targets, from being swept in section GC, fixing linker errors like:

    ./ld-new: tmpdir/dump: protected symbol `_procedure_table_size' isn't
defined
    ./ld-new: final link failed: bad value

    triggered whenever section GC is enabled with those targets and
    consequently removing the following test suite failures:

    FAIL: Build pr22649-2a.so
    FAIL: Build pr22649-2c.so
    FAIL: PR ld/20828 dynamic symbols with section GC (auxiliary shared
library)
    FAIL: PR ld/20828 dynamic symbols with section GC (plain)
    FAIL: PR ld/20828 dynamic symbols with section GC (version script)
    FAIL: PR ld/20828 dynamic symbols with section GC (versioned shared
library)
    FAIL: PR ld/20828 dynamic symbols with section GC (versioned)
    FAIL: --gc-sections with .text._init
    FAIL: pr20022

    observed with `mips-elf', `tx39-elf', `mipsisa32-elf', `mipsisa64-elf',
    `mipsel-elf', `mipsisa32el-elf', `mipsisa64el-elf', `mips64vr-elf',
    `mips64vrel-elf', `mips64vr4300-elf', `mips64vr4300el-elf',
    `mips-sgi-irix5' and `mips-rtems' targets, among others.  This fix makes
    section GC usable with the affected targets.

        bfd/
        * elfxx-mips.c (_bfd_mips_elf_create_dynamic_sections): Set
        `mark' for symbols created from `mips_elf_dynsym_rtproc_names'
        list.

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