From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id C8T5MkjoCmnfOiIAWB0awg (envelope-from ) for ; Wed, 05 Nov 2025 01:01:44 -0500 Authentication-Results: simark.ca; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=Eht3QWKW; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id C34F31E057; Wed, 05 Nov 2025 01:01:44 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=ARC_SIGNED,ARC_VALID,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED autolearn=ham autolearn_force=no version=4.0.1 Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 29CA31E057 for ; Wed, 05 Nov 2025 01:01:44 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 94BF1385B53A for ; Wed, 5 Nov 2025 06:01:43 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 94BF1385B53A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1762322503; bh=fv6apRwz+Yu3QCh8f7tnlgAxpqBX9sYyPlZ0zE117Wc=; h=Date:Subject:To:Cc:References:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=Eht3QWKWCqfwES77o791bJ7WDYgCwPkNTdMH3aO2fd5rgROf2EfD7V8yRU3QaLQxm 6qHLrw/Iu+rkPyMZQmjDsEZHYhCOeaobTjgMmt1XLIu9LCZAnMIkA+r3TJlQja/ip+ c6FRMYk0xddW8h2op+7GpgEhyyZVcsad1DMjNPcQ= Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id 075AE3858D2A; Wed, 5 Nov 2025 06:00:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 075AE3858D2A ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 075AE3858D2A ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1762322453; cv=none; b=J/GXN2eR080ZLunqON+LH34rNjdSq7Ys0YlnwE4y0Ivzrt/wYnVYsOAcbUxgPY0szwGP5NOI81v2nwuCH73QR6S+sWLhfvLH5jl4f577BiYhZ+emvw5h+3gRhzKj1MxEp9xHtfUaClM+FHEhgNBowzIxK0TCUoEmsQWxKM5te7w= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1762322453; c=relaxed/simple; bh=VS8HKjICHbOy2U2izh8p5xapvnaKFdcnSgs72erfYBI=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=b44R5hKd54gSMjBQvxnqm9DRhlW4W9UwzOQ4dr+ITw+ROJsk1OfQ1iuBViAal+L8czEzO6HlokpB5/z72piCVgxw/1Oyh+H+WPlQ7rFbMYH5jRvxKGB1xdLdsMCku8gZAB8/N0Rh9PXzITcNq52jWY1AyBzh36CYsHnaBbsWEQc= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 075AE3858D2A Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5A54kIr3004542; Wed, 5 Nov 2025 06:00:49 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4a59xbym6r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Nov 2025 06:00:48 +0000 (GMT) Received: from m0356517.ppops.net (m0356517.ppops.net [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.0.8) with ESMTP id 5A55vdZL010452; Wed, 5 Nov 2025 06:00:48 GMT Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4a59xbym6p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Nov 2025 06:00:48 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 5A52Qjg6025557; Wed, 5 Nov 2025 06:00:47 GMT Received: from smtprelay07.dal12v.mail.ibm.com ([172.16.1.9]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4a5vhspvfc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Nov 2025 06:00:47 +0000 Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay07.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 5A560kWu27066886 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Nov 2025 06:00:46 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9134358055; Wed, 5 Nov 2025 06:00:46 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 62D9A58043; Wed, 5 Nov 2025 06:00:43 +0000 (GMT) Received: from [9.79.194.106] (unknown [9.79.194.106]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 5 Nov 2025 06:00:43 +0000 (GMT) Message-ID: <077e417f-f82f-46ad-9cae-3cd10d6dbf13@linux.ibm.com> Date: Wed, 5 Nov 2025 11:30:41 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [EXT] Re: gdb does not stop at printf for ppc Content-Language: en-GB To: Sachin Monga , Peter Bergner Cc: Michael Meissner , "libc-alpha@sourceware.org" , Segher Boessenkool , Adhemerval Zanella Netto via Gdb , libc-help@sourceware.org, Tom Tromey , Surya Kumari Jangala , Carl Love References: <0535055f-7a42-4390-b134-34b8e3ee657e@linaro.org> <87wm5b6a9w.fsf@tromey.com> <7b3847ee-3348-4eec-9f1c-4bad527f2a5f@linaro.org> <6a0596af-bef7-48fe-9212-8ff83b99d475@tenstorrent.com> In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAxMDAyMSBTYWx0ZWRfXyXONtZzhS3a1 vRN1lAdtAS6rcP1xTVrZPibAzCnTpCcuwj5mgcWPTagSOjILX5nCbCCmQcGaTi3tQ8M8f7GIdWz hV+gZavtyoTCHiqlH8I88y3ElHdRweaOiZsvy7sODDYUyRKYSzcyaeL2uOMzCCPFQ81TaH5jDE1 Lriy60eg1rJQHdRTF3YdG5Z2UAW82bfk5EgoUTDlM+o0s7tsEuhYdp/HFU7P6OTLIxNe2IabTML MGQ932tl5Rxw6qiu9WlqpWdfk6CU3P+R5XlPe9fAUE7Ht8Ue5a2pXGyIdX5Q2UKkRb4wJjyvmkk NBQF3ScylQA2B8StYnU2BRPaKEjHRnmaRFrJwNft9FmNmhX4VgwAjpM8S4jruIq1YcL+jKvT6IR ujXkEJHTdSKJTW82pHH0g4tG4fXDdQ== X-Proofpoint-GUID: qTh0fkQ7qEqD4c6BGAugXuhgthvOocyi X-Authority-Analysis: v=2.4 cv=OdCVzxTY c=1 sm=1 tr=0 ts=690ae811 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=r77TgQKjGQsHNAKrUKIA:9 a=tyQv8JEVajOGDYkc7KsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=pGLkceISAAAA:8 a=oqLKI4CFholpEUt8oacA:9 a=4YWnILg0r7CigW8M:21 a=_W_S_7VecoQA:10 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-ORIG-GUID: 1wFPEyaSwAbUXkOvcDj7MApG6OXEYptW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-05_02,2025-11-03_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 spamscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1011 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511010021 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.30 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Sachin Monga via Gdb Reply-To: Sachin Monga Errors-To: gdb-bounces~public-inbox=simark.ca@sourceware.org Sender: "Gdb" Hi Peter/All >diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c >index 7b1640ceac..d567d98c68 100644 >--- a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c >+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-printf.c >@@ -33,3 +33,6 @@ ___ieee128_printf (const char *format, ...)  >  return done;  >}  >strong_alias (___ieee128_printf, __printfieee128) >+ >+asm (".local printf\n" >+     ".set printf, __printfieee128"); > ZjQcmQRYFpfptBannerEnd > Thanks Adhemerval/Peter > > Ok, I can try for the printf and test it. I've tested the solution provided by Adhmerval and it worked well. No regressions found on test-suite also. Also, it rules out the ieee ABI machine logic since "-mabi=ieeelongdouble" does not seem to have impact over the reported issue. Next, my question to the community is that do I need to create aliasing for all the symbols as in the list prepared by Carl as discussed in the thread ? For now, I need urgent solution for printf specifically. So, Is it ok to proceed and share this change for printf only ? Regards: Sachin.