From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from emagii.se (www.emagii.com [185.133.207.17]) by sourceware.org (Postfix) with ESMTPS id D4F3C3858C78 for ; Fri, 17 Feb 2023 07:53:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org D4F3C3858C78 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=emagii.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=emagii.com Received: from [10.175.196.145] (84-55-68-216.customers.ownit.se [84.55.68.216]) by emagii.se (Postfix) with ESMTPSA id D66A61207E0; Fri, 17 Feb 2023 08:53:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=emagii.com; s=default; t=1676620384; bh=iMz8ND+TwVpzSAgdWG5a3b0DK2Gtvlwcgh13m/w/8ds=; h=Subject:To:From; b=tUue50AedyZ+oCme7V69sotSSTV15/vTg+fmOk0bnn5LlCoWjM5RNopfOyfg3VY1A ewouO5LItyOmzUk+m98P1/8KKq5K1MykC8KlE+0kBsrcXgbt/B41lxFD1AE/b5ErcO bMIxyPLcTASt8Co+7ppBdFZvl2r2nbKvmdKg51Uw= Authentication-Results: emagii.beebytevps.io; spf=pass (sender IP is 84.55.68.216) smtp.mailfrom=binutils@emagii.com smtp.helo=[10.175.196.145] Received-SPF: pass (emagii.beebytevps.io: connection is authenticated) Content-Type: multipart/alternative; boundary="------------dCVutOzDBzpl1xph1xKjkuaD" Message-ID: <1a9ce7de-4006-9ebc-7012-5e11c42a7559@emagii.com> Date: Fri, 17 Feb 2023 08:53:01 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [RFC v0 0/1] Add support for CRC64 generation in linker Content-Language: sv-FI To: binutils@sourceware.org Cc: nickc@redhat.com References: <20230216204006.1977-1-binutils@emagii.com> From: Ulf Samuelsson In-Reply-To: <20230216204006.1977-1-binutils@emagii.com> X-PPP-Message-ID: <167662038447.4002571.14837781411138485829@localhost.localdomain> X-PPP-Vhost: emagii.com X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HTML_MESSAGE,NICE_REPLY_A,SPF_HELO_FAIL,SPF_PASS,TXREP 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: This is a multi-part message in MIME format. --------------dCVutOzDBzpl1xph1xKjkuaD Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Den 2023-02-16 kl. 21:40, skrev Ulf Samuelsson via Binutils: > Cleaned up attempt to generate CRC64. > > > Added code in lang_end() to calculate the CRC. > So far, I can retrieve the location of the CRC > and the start and end for the area. > I can fetch the .text segment as an asection but > > if ( bfd_get_section_contents (link_info.output_bfd, > ts, > text_section, > 0, > ts->size)) > > fails... > > The patchset should contain the LICENSE and the testsuite > but git-send-email does not like if I send 8 patches. > Sending 6 patches is OK for some reason... > > [PATCH v0 1/6] CRC64 header > [PATCH v0 2/6] ldlang.h: CRC64 > [PATCH v0 3/6] ldlex.l: CRC64 > [PATCH v0 4/6] ldgram.y: CRC64 > [PATCH v0 5/6] ldlang.c: CRC64 > [PATCH v0 6/6] ldlang.c: Try to get the .text section for checking > gcc -c crc.s ../bin/bin/ld -T crc.t -o crc crc.o Adding Syndrome: 0x42f0e1eba9ea3693 Adding Syndrome: 0xd800000000000000 ../bin/bin/ld:crc.t:18: warning: CRC polynome declared twice (ignored) .text: [0x00001100 .. 0x00002810] bfd_malloc_and_get_section succeeded Before CRC: 0x00001100: 0xefbeadde45444f43 0x0000000000000000 0x0000000000000000 0x0000000000001118 *CRC [0xc79d3a1ef51fb737] update at 0x00001110 succeeded* After CRC: 0x00001100: 0xefbeadde45444f43 0x0000000000000000 0xc79d3a1ef51fb737 0x0000000000001118 Full Section After CRC: 0x00001100: 0xefbeadde45444f43 0x0000000000000000 0xc79d3a1ef51fb737 0x0000000000001118 0x00001140: 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff 0x00001180: 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff 0x000011c0: 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff 0xffffffffffffffff :-) Best Regards Ulf Samuelsson --------------dCVutOzDBzpl1xph1xKjkuaD--