[Bug nptl/27744] Support different libpthread/ld.so load orders in libthread_db

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27744

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Florian Weimer <fw@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a64afc225240b2b27129ccfb0516d7c958b98040

commit a64afc225240b2b27129ccfb0516d7c958b98040
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Apr 21 11:50:43 2021 +0200

    nptl_db: Support different libpthread/ld.so load orders (bug 27744)

    libthread_db is loaded once GDB encounters libpthread, and at this
    point, ld.so may not have been processed by GDB yet. As a result,
    _rtld_global cannot be accessed by regular means from libthread_db.
    To make this work until GDB can be fixed, acess _rtld_global through
    a pointer stored in libpthread.

    The new test does not reproduce bug 27744 with
    --disable-hardcoded-path-in-tests, but is still a valid smoke test.
    With --enable-hardcoded-path-in-tests, it is necessary to avoid
    add-symbol-file because this can tickle a GDB bug.

    Fixes commit 1daccf403b1bd86370eb94edca794dc106d02039 ("nptl: Move
    stack list variables into _rtld_global").

    Tested-by: Emil Velikov <emil.velikov@collabora.com>

-- 
You are receiving this mail because:
You are on the CC list for the bug.