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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/17016] XFAIL: gdb.threads/dlopen-libpthread.exp: info
 probes all rtld rtld_map_complete
Date: Fri, 30 Dec 2022 15:53:55 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D17016

--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dcb2a1d0aca41=
6235aed885e4796eeb70fbcd3b95

commit cb2a1d0aca416235aed885e4796eeb70fbcd3b95
Author: Tom de Vries <tdevries@suse.de>
Date:   Fri Dec 30 16:53:51 2022 +0100

    [gdb/testsuite] Fix gdb.threads/dlopen-libpthread.exp for upstream glibc

    On ubuntu 22.04.1 x86_64, I run into:
    ...
    (gdb) info probes all rtld rtld_map_complete^M
    No probes matched.^M
    (gdb) XFAIL: gdb.threads/dlopen-libpthread.exp: info probes all rtld
rtld_map_complete
    UNTESTED: gdb.threads/dlopen-libpthread.exp: no matching probes
    ...
    This has been filed as PR testsuite/17016.

    The problem is that the name rtld_map_complete is used, which was only
    available in Fedora 17, and upstream the name map_complete was used.

    In the email thread discussing a proposed patch (
    https://sourceware.org/legacy-ml/gdb-patches/2014-09/msg00712.html ) it=
 was
    suggested to make the test-case handle both names.

    So, handle both names: map_complete and rtld_map_complete.

    This exposes the following FAIL:
    ...
    (gdb) info sharedlibrary^M
    From To    Syms Read Shared Object Library^M
    $hex $hex  Yes       /lib64/ld-linux-x86-64.so.2^M
    $hex $hex  Yes (*)   /lib/x86_64-linux-gnu/libgtk3-nocsd.so.0^M
    $hex $hex  Yes       /lib/x86_64-linux-gnu/libc.so.6^M
    $hex $hex  Yes       /lib/x86_64-linux-gnu/libdl.so.2^M
    $hex $hex  Yes       /lib/x86_64-linux-gnu/libpthread.so.0^M
    (*): Shared library is missing debugging information.^M
    (gdb) FAIL: gdb.threads/dlopen-libpthread.exp: libpthread.so not found
    ...
    due to using a glibc (v2.35) that has libpthread integrated into libc.

    Fix this by changing the FAIL into UNSUPPORTED.

    Tested on x86_64-linux.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D17016

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