From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id A84A13858D28 for ; Wed, 21 Jun 2023 22:13:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A84A13858D28 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linux.ibm.com Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 35LLd4n1020437; Wed, 21 Jun 2023 22:13:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=V7C+UmI4Zhgo5Q3EEWXSuioWAHejW76MMCY2LBXtZXo=; b=ZjVZ4oS/4dz55fmJkZ7BKbMDpl6rx8yCbBm3n2ciFbpcJH8x/imkwE5Ew6+Dr9rdHWU1 Qbxc30SHIfDzp7cy83UmFH3vAy15Iuvh26UD2FHuTno4cR+g0MWsOXLbLjYL0BPb6mrw ++qdseWqEIiT5GRtIfc3f86zBUWlWQV0/UIKeyOX6N0ie6PWYGgE5w42kpxndKjlqjbR 3cwtA/PMi87uygMsB2EEgkg3MkT/lt5UAe+12qvJfWQWeGdwcFZbUY+wLdPKfXP9Ix8v U8GFd2NGPuY9W0JIDstKDi9DMcXg8nMqQ5GdJq3xTIHEw/goVUyWXofwUVVQhYtbmByX Yg== Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rc919h1wk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Jun 2023 22:13:33 +0000 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 35L876uT032655; Wed, 21 Jun 2023 22:13:30 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma06fra.de.ibm.com (PPS) with ESMTPS id 3r943e2bvp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Jun 2023 22:13:30 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 35LMDQGD28050136 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Jun 2023 22:13:26 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C1F8D2004F; Wed, 21 Jun 2023 22:13:26 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 69A122004E; Wed, 21 Jun 2023 22:13:26 +0000 (GMT) Received: from [9.179.1.208] (unknown [9.179.1.208]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 21 Jun 2023 22:13:26 +0000 (GMT) Message-ID: Subject: [PING] [PATCH] gdb: Fix derive_heap_segment for PIE From: Ilya Leoshkevich To: Tom Tromey Cc: gdb-patches@sourceware.org, Andreas Arnez Date: Thu, 22 Jun 2023 00:13:26 +0200 In-Reply-To: <20230509112401.1043723-1-iii@linux.ibm.com> References: <20230509112401.1043723-1-iii@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: MBJa1RtH11oCWoz5mJ8afefo-sjgSBUH X-Proofpoint-ORIG-GUID: MBJa1RtH11oCWoz5mJ8afefo-sjgSBUH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-21_12,2023-06-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 mlxscore=0 adultscore=0 malwarescore=0 clxscore=1011 phishscore=0 priorityscore=1501 mlxlogscore=858 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306210186 X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,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 Tue, 2023-05-09 at 13:24 +0200, Ilya Leoshkevich wrote: > Using gcore with qemu-user gdbstub produces huge core dumps: >=20 > =C2=A0=C2=A0=C2=A0 $ qemu-s390x-static -g 1234 /bin/true > =C2=A0=C2=A0=C2=A0 $ gdb -ex 'target remote :1234' /bin/true > =C2=A0=C2=A0=C2=A0 (gdb) generate-core-file > =C2=A0=C2=A0=C2=A0 Saved corefile core.1 > =C2=A0=C2=A0=C2=A0 $ wc -c =C2=A0=C2=A0=C2=A0 274878128632 >=20 > The reason is that derive_heap_segment thinks that heap starts quite > close to 0, because it works with bfd objects, which are not aware of > actual PIE load addresses. >=20 > Fix by using objfiles instead. > --- > =C2=A0gdb/gcore.c | 31 ++++++++++++++----------------- > =C2=A01 file changed, 14 insertions(+), 17 deletions(-) Ping.