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From: "tuliom at ascii dot art.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/26173] New: powerpc64*: Add @notoc to calls to functions
 that do not preserve r2
Date: Thu, 25 Jun 2020 19:55:36 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26173

            Bug ID: 26173
           Summary: powerpc64*: Add @notoc to calls to functions that do
                    not preserve r2
           Product: glibc
           Version: 2.32
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: tuliom at ascii dot art.br
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

The latest linker version started to report calls from functions that are
expected to preserve r2 to functions that do not preserve r2, causing build
failures in glibc, e.g.:

sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S:163:(.text+0xfc): c=
all
to `__GI_exit' lacks nop, can't restore toc; (toc save/adjust stub)

More details are available in Binutils bug #26164.

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