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Mon, 22 Jun 2026 12:12:08 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 65MCC4cn28049748 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 22 Jun 2026 12:12:04 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 82AE420043; Mon, 22 Jun 2026 12:12:04 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3370320040; Mon, 22 Jun 2026 12:12:03 +0000 (GMT) Received: from [9.111.130.70] (unknown [9.111.130.70]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 22 Jun 2026 12:12:03 +0000 (GMT) Message-ID: <120f8ebe-8052-45b2-80df-92bbeb148e34@linux.ibm.com> Date: Mon, 22 Jun 2026 14:12:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/1] s390: Deprecate s390 32-bit target "s390-*" To: Andreas Krebbel , Andreas Arnez Cc: binutils@sourceware.org, gdb-patches@sourceware.org, Nick Clifton , Ian Lance Taylor , Jeff Law , Jim Wilson , DJ Delorie , Alan Modra , Michael Meissner , Richard Sandiford , Jan Beulich , Ilya Leoshkevich , Stefan Liebler References: <20260423120006.3740571-1-jremus@linux.ibm.com> Content-Language: en-US From: Jens Remus Organization: IBM Deutschland Research & Development GmbH In-Reply-To: <20260423120006.3740571-1-jremus@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIyMDExNyBTYWx0ZWRfXwBKKP2gh1eDP /AC5tVWIQvT7Ii+793ek/WZ5HHj91p3LuuEVLVGV2YzhAVw/+p8+yN6bgAF0Sj2KnPCR3KhEj0U O3eHZvVjErJokFzMICG+TPEIAPU3maU= X-Proofpoint-ORIG-GUID: BiNrbkRncELTMcXTUnMQ2h8wHLzhfvJo X-Authority-Analysis: v=2.4 cv=Oph/DS/t c=1 sm=1 tr=0 ts=6a39269a cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=CCpqsmhAAAAA:8 a=VnNF1IyMAAAA:8 a=mDV3o1hIAAAA:8 a=4nMvDBoHSSYJ26_ilmMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=ul9cdbp4aOFLsgKbc677:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIyMDExNyBTYWx0ZWRfXyyQrXOKFWYY9 bVkdR4Mx9c69q7sWPubxWLEOqeLDisXvWkdg8MsP9ole49zLSW1JleKmyMB1tu1eczf+9Zn4yt/ mBX/VTfNmkPkX0/ng7gMCFvIzKYFtajuuVzpCOpdFQ3TPlwFayxYuPkiJqRl4hv6mswj1vnQgo0 zdQYSSBn6m7Brr+V8iVSKLh5nylZfcivbtTktmCcDHQI8wXxykgmJ6boIK4DIXwq4QCErELRCbs f5167PyGXsRb8rRBt6hGqPk8y9VM4B0vqy2HEf6+Mwmnk0/WbaH3Xo4U9R5lC1gePIFWjJzp7l5 gAbL0BZN5z2m+aoN7jCk5/dyvianhzybDO9rpOGb/rr9FlmBjI6gKT+oGXsgxw8aSyULbOOfaQB j5rjAjNb2YogBfkcefN3nB5cg6iuPhHMqlQn9QNY2ReiBNKcWn7jjB2ZByfTjVp5H7UvUdnPqv5 GyNeqqKzmwumpOblm8g== X-Proofpoint-GUID: gVAsK3Pcw3y-igunumXZzUhbAOp-5jor X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-22_02,2026-06-18_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 priorityscore=1501 clxscore=1011 impostorscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606220117 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 4/23/2026 2:00 PM, Jens Remus wrote: > Linux Kernel 6.19 removed s390 32-bit compatibility support. [1] > Glibc 2.43 deprecated s390 32-bit [2] and will remove it with > Glibc 2.44 [3]. GCC 16 will deprecate s390 32-bit (compiler option > -m31) with the intent to remove it in a future release. [4] > > This deprecates s390 32-bit (target "s390-*" and format "elf32-s390") > in the upcoming Binutils and GDB release with the intent to remove it > in a future release. The Binutils 2.47 release is approaching, with the following planned schedule: Create the branch: Sat 11 July Create the release: Sat 25 July Andreas K., could you please approve for the Binutils s390 targets? Andreas A. could then subsequently approve for the GDB s390 targets. > > s390 32-bit deprecation/removal overview: > - Linux Kernel 6.19 (February 2026) removed s390 32-bit compat > - Glibc 2.43 (January 2026) deprecated s390 32-bit > - GCC 16 (expected April 2026) will deprecate s390 32-bit > - Glibc 2.44 (expected August 2026) will remove s390 32-bit > - Binutils 2.47 (expected August 2026) would deprecate s390 32-bit > - Binutils 2.48 (expected February 2027) would remove s390 32-bit > - GCC 17 (expected April 2027) would remove s390 32-bit > > Removal of s390 32-bit support in Binutils could also be deferred to > Binutils 2.49 (expected August 2027) if that would be preferable, so > that Binutils removes it after GCC. > > Note that the error is actually not issued during a toplevel configure, > as configure in bfd/ is actually deferred to make. Should this be > improved, for instance by replicating commit 91fb2a9d47c5 ("Add code to > catch obsolete configurations ...") to configure.ac? > > Changes in v2: > - Add likewise gdb/NEWS entry, as the deprecation/removal in also > affects GDB. > > Feedback is much appreciated! > > [1]: Linux kernel 6.19 commit 8e0b986c59c6 ("s390: Remove compat support"), > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8e0b986c59c6 > [2]: Glibc 2.43 commit 638d437dbf9c ("Deprecate s390-linux-gnu (31bit)"), > https://sourceware.org/git/glibc.git?a=commitdiff;h=638d437dbf9c > [3]: Glibc 2.44 patch series "[PATCH 0/5] Remove s390-linux-gnu (31bit)", > https://inbox.sourceware.org/libc-alpha/20260409085102.3475867-1-stli@linux.ibm.com/ > [4]: GCC 16 commit 5886bb453a6a ("s390: Deprecate -m31"), > https://gcc.gnu.org/git/gcc.git?h=5886bb453a6a Thanks and regards, Jens -- Jens Remus Linux on Z Development (D3303) jremus@de.ibm.com / jremus@linux.ibm.com IBM Deutschland Research & Development GmbH; Vorsitzender des Aufsichtsrats: Wolfgang Wendt; Geschäftsführung: David Faller; Sitz der Gesellschaft: Ehningen; Registergericht: Amtsgericht Stuttgart, HRB 243294 IBM Data Privacy Statement: https://www.ibm.com/privacy/