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From: "tuliom at ascii dot art.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/26173] powerpc64*: Add @notoc to calls to functions that
 do not preserve r2
Date: Fri, 10 Jul 2020 23:11:43 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26173

Tulio Magno Quites Machado Filho <tuliom at ascii dot art.br> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |2.32

--- Comment #2 from Tulio Magno Quites Machado Filho <tuliom at ascii dot a=
rt.br> ---
Fixed in 2.32 with:

commit 7c7bcf3634e44cf7e001aaa302138c1ee0e58f8c
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date:   Fri Jul 10 19:41:06 2020 -0300

    powerpc64: Fix calls when r2 is not used [BZ #26173]

    Teach the linker that __mcount_internal, __sigjmp_save_symbol,
    __syscall_error and __GI_exit do not use r2, so that it does not need to
    recover r2 after the call.

    Test at configure time if the assembler supports @notoc and define
    USE_PPC64_NOTOC.

--=20
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