From nobody Sat Nov 8 03:36:01 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 154946614542760.54986832914585; Wed, 6 Feb 2019 07:15:45 -0800 (PST) Received: from localhost ([127.0.0.1]:52481 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1grOvP-0004y6-SF for importer@patchew.org; Wed, 06 Feb 2019 10:15:43 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53418) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1grOuX-0004dM-Pc for qemu-devel@nongnu.org; Wed, 06 Feb 2019 10:14:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1grOuV-0007Dx-JJ for qemu-devel@nongnu.org; Wed, 06 Feb 2019 10:14:49 -0500 Received: from relay.sw.ru ([185.231.240.75]:33920) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1grOuP-00077G-Rw for qemu-devel@nongnu.org; Wed, 06 Feb 2019 10:14:44 -0500 Received: from [10.28.8.145] (helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1grOu9-0001j8-Mz; Wed, 06 Feb 2019 18:14:25 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Date: Wed, 6 Feb 2019 18:14:25 +0300 Message-Id: <20190206151425.105871-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH] qemugdb/coroutine: fix arch_prctl has unknown return type 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: vsementsov@virtuozzo.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" qemu coroutine command results in following error output: Python Exception 'arch_prctl' has unknown return type; cast the call to its declared return type: Error occurred in Python command: 'arch_prctl' has unknown return type; cast the call to its declared return type Fix it by giving it what it wants: arch_prctl return type. Information on the topic: https://sourceware.org/gdb/onlinedocs/gdb/Calling.html Signed-off-by: Vladimir Sementsov-Ogievskiy --- scripts/qemugdb/coroutine.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index ab699794ab..81f811ac00 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -22,7 +22,7 @@ def get_fs_base(): pthread_self().''' # %rsp - 120 is scratch space according to the SystemV ABI old =3D gdb.parse_and_eval('*(uint64_t*)($rsp - 120)') - gdb.execute('call arch_prctl(0x1003, $rsp - 120)', False, True) + gdb.execute('call (int)arch_prctl(0x1003, $rsp - 120)', False, True) fs_base =3D gdb.parse_and_eval('*(uint64_t*)($rsp - 120)') gdb.execute('set *(uint64_t*)($rsp - 120) =3D %s' % old, False, True) return fs_base --=20 2.18.0