From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24427 invoked by alias); 8 Nov 2016 23:56:49 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 24413 invoked by uid 89); 8 Nov 2016 23:56:48 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=wilbur, Wilbur, selfcontained, self-contained X-HELO: mail-wm0-f67.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version; bh=kDP3QrjbWSxvZQMpfNX7uEUv3iQa5FS/9KremonP6R8=; b=ikANRtf7SoV3TR4/OYaCwGKJ2NjmQgeH2o0Wwz/kFppR6fETuDTNqFzXWb62BR694J UOFf5yWXzHD76WbwmvSJ/iZ8nFPlSl6GKj81MzuiW9CNCU7XCl6Xu5ydijNM7OX/4xdK c8yGy2oGLSAa7UAP267zHanxkzi6ZG2y8lZObwCf0LJynw3nenKsoQvP12KO/MvjMEo0 lXApPJ9iNhmJRLGc70Hl8zPZ04TW8OGmJAL9zawt7yIwFQ4RGPNFzHIalZiO9pFz5HMl GwNz6EOTwS7/tEtN6TgGVzuJfMu1QRNhip5j8/BO2fB5zOQiQZwyJT8zSiVJzhV1oXIK sK3A== X-Gm-Message-State: ABUngvdHQwvdWDBhEhotzkcdXQQCm0zf6C6L+7vsabvf5bCvCAYz5iBPcsDwJD0wwi1KWg== X-Received: by 10.194.113.234 with SMTP id jb10mr12154108wjb.19.1478649396401; Tue, 08 Nov 2016 15:56:36 -0800 (PST) Date: Tue, 08 Nov 2016 23:56:00 -0000 From: Sergei Trofimovich To: Andreas Schwab Cc: libc-alpha@sourceware.org, Sergei Trofimovich , Roland McGrath Subject: Re: [PATCH] m68k: restore handling of R_68K_NONE in elf_machine_lazy_rel() Message-ID: <20161108235630.6357db5f@sf> In-Reply-To: <87shrem71g.fsf@linux-m68k.org> References: <20161029134801.15082-1-slyich@gmail.com> <87pomjnp3v.fsf@linux-m68k.org> <20161029171527.423b573e@sf> <87lgx7nkr2.fsf@linux-m68k.org> <20161030101318.6971a5f5@sf> <87shrem71g.fsf@linux-m68k.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/3HdIueuC1k2oBHPiQlMy4cN"; protocol="application/pgp-signature" X-SW-Source: 2016-11/txt/msg00311.txt.bz2 --Sig_/3HdIueuC1k2oBHPiQlMy4cN Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Content-length: 904 On Sun, 30 Oct 2016 12:04:59 +0100 Andreas Schwab wrote: > On Okt 30 2016, Sergei Trofimovich wrote: >=20 > > Is there a reason to allow R_68K_NONE for non-lazy relocations > > in elf_machine_rela() > > > > + case R_68K_NONE: /* Alright, Wilbur. */ > > + break; > > > > but forbid R_68K_NONE for lazy relocations > > in elf_machine_lazy_rel()=20=20 >=20 > Because the latter must never happen. Please file a binutils bug with a > self-contained test case. Finally extracted one. Filed as: https://sourceware.org/bugzilla/show_bug.cgi?id=3D20796 It is triggered by a mix of -Wl,--gc-sections, -u buggy_symbol and a shared library where 'buggy_symbol' comes from. And while at it filed minor bug about R_68K_NONE relocations to be present in final binaries: https://sourceware.org/bugzilla/show_bug.cgi?id=3D20797 --=20 Sergei --Sig_/3HdIueuC1k2oBHPiQlMy4cN Content-Type: application/pgp-signature Content-Description: Цифровая подпись OpenPGP Content-length: 163 -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAlgiZi4ACgkQcaHudmEf86p8KACdGAcqAZIq6kL2cbcT0JLLyatJ SZMAn1mJd6yjA9ydmSRizmxisnm75++q =x1a5 -----END PGP SIGNATURE----- --Sig_/3HdIueuC1k2oBHPiQlMy4cN--