From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by sourceware.org (Postfix) with ESMTPS id 04F6B3858CDA for ; Mon, 10 Jul 2023 15:04:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 04F6B3858CDA Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pj1-x102b.google.com with SMTP id 98e67ed59e1d1-263121cd04eso2219665a91.2 for ; Mon, 10 Jul 2023 08:04:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689001461; x=1691593461; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=0xdgOQ0oUiV3LE2+TsrBXDgEjtNZG5YHxvxkHC0YG+s=; b=XWS1UtA3bnwASiQ4iwzK6K8RV+kmwQ1w5OBqZSJTOunbAAiNtslodhDLEYo4MWSjCi JRr+UjPQtCFt28HIU2IwSdNzqyR6bLyTjws0qt8tcEx/fzs878D3iY9gTqRUzQm8WlwP 8JU2JMiW0GVw3GOGEltEgRCGlIVaKW921NmEqzOvrXSNlWJZLd2hba7lHaw/rysaCQ7z uRqe6JVsR/EdlSxIl9sPM6UpYp5kMnp8awlg2YeQFy7mfNauSIMovzAowIpVhi96a2zB 90kKM7jy/l3FgQl+e/9PNueW8g7IS8I62V0AehEUhYQq0GYjRD/Dknx8lBoC+dRYOJsp g0Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689001461; x=1691593461; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=0xdgOQ0oUiV3LE2+TsrBXDgEjtNZG5YHxvxkHC0YG+s=; b=SAXKWvOrHKhMzhVg+oCp50E/qSJGdgtUI3M0CfulXms/4AAPiUfn8hUt/wt8jb5LIP GF5l7w0G1IEmCbYxvFzHcIuuo4v82Ed4vJTYncLq2nn7JIg17Q/IpG+jY/sZV03V1wHl XSfWK5POKkvtYWjKjLxQTiHbHSKrtYOZNltFTjQ4MgQzCGCA1ywiqxFPDq7j6inrNOv7 rFSlmONnDD5asjEwXKbSRZNd+wLgQOyfdIVgQ+Ni1OoTUJy+ca+5Feneddk1rWgfCTT9 5kwiUxMDuUxGvyhuvgrm1Rp9WEdn+qhrO+5Axkz596OjCAq+Q34WSfMYZ3QovQu5O/i1 k1Jg== X-Gm-Message-State: ABy/qLYFCgPP6fP8elHT3r8CkALrvel/9G/SnM2v1j2I8ug8geQwMpqe GT69/VVJXlaCGCV9fvpTo50= X-Google-Smtp-Source: APBJJlGXe1calgTCwaKE11UYypMeVXaKbxnpd15w7u4mFlAH5DRP7IS/5hfyeYQhTwkpV3Wo8cd3xA== X-Received: by 2002:a17:90b:e10:b0:263:16f3:f04a with SMTP id ge16-20020a17090b0e1000b0026316f3f04amr10973894pjb.1.1689001460989; Mon, 10 Jul 2023 08:04:20 -0700 (PDT) Received: from squeak.grove.modra.org ([2406:3400:51d:8cc0:1e19:26f8:45b5:14e6]) by smtp.gmail.com with ESMTPSA id qe4-20020a17090b4f8400b0025c2c398d33sm45175pjb.39.2023.07.10.08.04.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jul 2023 08:04:20 -0700 (PDT) Received: by squeak.grove.modra.org (Postfix, from userid 1000) id 234BF114079D; Tue, 11 Jul 2023 00:34:18 +0930 (ACST) Date: Tue, 11 Jul 2023 00:34:18 +0930 From: Alan Modra To: Aditya Kamath1 Cc: Ulrich Weigand , Aditya Kamath1 via Gdb-patches , Alan Modra , Sangamesh Mallayya Subject: Re: [Patch] Fix AIX shared library load broken during fork (). Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-3026.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Mon, Jul 10, 2023 at 02:29:46PM +0000, Aditya Kamath1 wrote: > Hi Alan, Ulrich and community, > > Thank you for the reply. > > >As the comment in add_range says, you should be able to read the same > >element more than once due to _bfd_get_elf_at_filepos calling > >_bfd_look_for_bfd_in_cache, which caches elements by file position. > > >So why isn't that working? > > >Oh, I think I see the bug. no_element_cache is set when reading the > >first element of an archive to figure out the proper target. If > >no_element_cache is set then we can't call add_range. > > >Can you try this patch? > > So actually it does not work. Yes, I'm not surprised. It isn't the effect of no_element_cache. We just can't rely on the element cache. I'll look into fixing the bfd problem tomorrow, I need some sleep. -- Alan Modra Australia Development Lab, IBM