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

From: cvs-commit at gcc dot gnu.org
Subject: [Bug ld/20828] GC-ed DSO symbols make corresponding symbols defined by a linker script local
Date: Mon, 23 Jan 2017 11:29:43 +0000


--- Comment #22 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>:


commit fda46c417ff8324960ca305141df5fc6c2f580af
Author: Maciej W. Rozycki <address@hidden>
Date:   Mon Jan 23 11:19:46 2017 +0000

    PR ld/20828: Remove leading `_' from symbols used in tests

    Complement commit 81ff47b3a546 ("PR ld/20828: Fix linker script symbols
    wrongly forced local with section GC") and remove the leading underscore
    from `_fdata' and `_edata' symbols used in tests, fixing a:

    FAIL: PR ld/20828 dynamic symbols with section GC (version script)

    failure with targets such as: `bfin-elf', `bfin-uclinux', `metag-elf',
    `metag-linux' `mn10300-elf', `sh-elf', `sh64-elf', and possibly other
    ones, that have `_' set (with `elf_symbol_leading_char') as the leading
    character for symbols.  As from commit 93252b1cf41a ("bfd/ld: handle ABI
    prefixes in version scripts") these targets strip the leading underscore
    before applying version script rules, because the (default) syntax for
    symbol names is that of the C language rather than their low-level
    symbol table encoding.

        PR ld/20828
        * testsuite/ld-elf/pr20828.ld: Rename `_fdata' and `_edata' to
        `fdata' and `edata' respectively.
        * testsuite/ld-elf/pr20828.ver: Adjust accordingly.
        * testsuite/ld-elf/pr20828-a.sd: Likewise.
        * testsuite/ld-elf/pr20828-b.sd: Likewise.
        * testsuite/ld-elf/pr20828-c.sd: Likewise.

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