[Bug libc/22719] Backtrace tests fail on hppa

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=22719

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1eeddc5854b9fdf5b909821fa53e08fbb9bbfc0a

commit 1eeddc5854b9fdf5b909821fa53e08fbb9bbfc0a
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Jan 17 13:31:47 2018 +0000

    Fix backtrace for hppa (bug 22719).

    The only architecture in glibc that uses the generic debug/backtrace.c
    is hppa.  The debug/tst-backtrace* tests fail for hppa, so in fact the
    generic debug/backtrace.c is not functional anywhere.  Instead, the
    x86_64 version is a reasonably generic version that uses
    _Unwind_Backtrace from libgcc to backtrace using unwind info, and is
    used by several architectures.  This patch adds hppa to the
    architectures using it (leaving open the possibility of a subsequent
    cleanup for 2.28 of moving the x86_64 version to debug/backtrace.c,
    and removing all the frame.h files that are now unused).

    Reported by Adhemerval in
    <https://sourceware.org/ml/libc-alpha/2018-01/msg00564.html> that this
    does fix the backtrace test failures for hppa.

        [BZ #22719]
        * sysdeps/hppa/backtrace.c: New file.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                             |    5 +++++
 sysdeps/{aarch64 => hppa}/backtrace.c |    0
 2 files changed, 5 insertions(+), 0 deletions(-)
 copy sysdeps/{aarch64 => hppa}/backtrace.c (100%)

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