From nobody Thu May 2 03:55:11 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1522838187720676.3688103741986; Wed, 4 Apr 2018 03:36:27 -0700 (PDT) Received: from localhost ([::1]:47115 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3fmA-0001Dt-RZ for importer@patchew.org; Wed, 04 Apr 2018 06:36:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48950) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3fkl-0000Tu-7n for qemu-devel@nongnu.org; Wed, 04 Apr 2018 06:34:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f3fki-00063X-3V for qemu-devel@nongnu.org; Wed, 04 Apr 2018 06:34:55 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41076 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f3fkh-00063Q-VS for qemu-devel@nongnu.org; Wed, 04 Apr 2018 06:34:52 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F18E440201A4; Wed, 4 Apr 2018 10:34:47 +0000 (UTC) Received: from localhost (unknown [10.36.118.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1672F6352B; Wed, 4 Apr 2018 10:34:40 +0000 (UTC) From: Stefan Hajnoczi To: Date: Wed, 4 Apr 2018 11:34:40 +0100 Message-Id: <20180404103440.19546-1-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 04 Apr 2018 10:34:48 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 04 Apr 2018 10:34:48 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'stefanha@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH] scripts/qemugdb: support coroutine backtrace in coredumps X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vladimir Sementsov-Ogievskiy , Stefan Hajnoczi Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Use the 'select-frame' GDB command to switch stacks instead of manually setting the debugged thread's registers (this only works when debugging a live process, not in a coredump). Cc: Vladimir Sementsov-Ogievskiy Signed-off-by: Stefan Hajnoczi --- Vladimir: Does this work for you? scripts/qemugdb/coroutine.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index ab699794ab..ed96434aee 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -77,13 +77,11 @@ def bt_jmpbuf(jmpbuf): for i in regs: old[i] =3D gdb.parse_and_eval('(uint64_t)$%s' % i) =20 - for i in regs: - gdb.execute('set $%s =3D %s' % (i, regs[i])) + gdb.execute('select-frame %s %s' % (regs['rsp'], regs['rip'])) =20 gdb.execute('bt') =20 - for i in regs: - gdb.execute('set $%s =3D %s' % (i, old[i])) + gdb.execute('select-frame %s %s' % (old['rsp'], old['rip'])) =20 def coroutine_to_jmpbuf(co): coroutine_pointer =3D co.cast(gdb.lookup_type('CoroutineUContext').poi= nter()) --=20 2.14.3