From nobody Fri May 2 08:18:47 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=redhat.com
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by
mx.zohomail.com
with SMTPS id 1549864384539326.0051581618302;
Sun, 10 Feb 2019 21:53:04 -0800 (PST)
Received: from localhost ([127.0.0.1]:44918 helo=lists.gnu.org)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <qemu-devel-bounces+importer=patchew.org@nongnu.org>)
id 1gt4WS-0002qj-Ua
for importer@patchew.org; Mon, 11 Feb 2019 00:52:53 -0500
Received: from eggs.gnu.org ([209.51.188.92]:49681)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <stefanha@redhat.com>) id 1gt4Ui-0001ut-O4
for qemu-devel@nongnu.org; Mon, 11 Feb 2019 00:51:05 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
(envelope-from <stefanha@redhat.com>) id 1gt4Uh-0002TJ-MH
for qemu-devel@nongnu.org; Mon, 11 Feb 2019 00:51:04 -0500
Received: from mx1.redhat.com ([209.132.183.28]:51488)
by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
(Exim 4.71) (envelope-from <stefanha@redhat.com>) id 1gt4Uh-0002SM-Gw
for qemu-devel@nongnu.org; Mon, 11 Feb 2019 00:51:03 -0500
Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com
[10.5.11.14])
(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
(No client certificate requested)
by mx1.redhat.com (Postfix) with ESMTPS id 45B5F81DEC;
Mon, 11 Feb 2019 05:51:01 +0000 (UTC)
Received: from localhost (unknown [10.64.242.44])
by smtp.corp.redhat.com (Postfix) with ESMTP id AB56B5DE6E;
Mon, 11 Feb 2019 05:50:55 +0000 (UTC)
From: Stefan Hajnoczi <stefanha@redhat.com>
To: qemu-devel@nongnu.org
Date: Mon, 11 Feb 2019 13:50:33 +0800
Message-Id: <20190211055040.13528-3-stefanha@redhat.com>
In-Reply-To: <20190211055040.13528-1-stefanha@redhat.com>
References: <20190211055040.13528-1-stefanha@redhat.com>
MIME-Version: 1.0
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16
(mx1.redhat.com [10.5.110.25]);
Mon, 11 Feb 2019 05:51:01 +0000 (UTC)
Content-Transfer-Encoding: quoted-printable
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
X-Received-From: 209.132.183.28
Subject: [Qemu-devel] [PULL 2/9] 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: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Cc: Laurent Vivier <lvivier@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>, Thomas Huth <thuth@redhat.com>,
Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>,
Max Reitz <mreitz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>, Kevin Wolf <kwolf@redhat.com>,
Eduardo Habkost <ehabkost@redhat.com>
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Content-Type: text/plain; charset="utf-8"
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
qemu coroutine command results in following error output:
Python Exception <class 'gdb.error'> '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 <vsementsov@virtuozzo.com>
Message-id: 20190206151425.105871-1-vsementsov@virtuozzo.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
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
2.20.1