From nobody Tue Feb 10 05:41:40 2026 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; dkim=fail; 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=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1564866554; cv=none; d=zoho.com; s=zohoarc; b=Zh4qnQD9rkm0F1RC6/OeGorvQLsBY/i8h8ge7hDIrbESv/LmqLXQbdqHvmMln3ypQUmpJAUe0jE3zp10DX89VwXcrvHc/Kz24NT7NRwlgbb1HlfLsd8nNmrAJhbfyKDPYPN8bU/RoVd9YP/p+mUvuFdornLfiVhzvAsYTXUnULU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564866554; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=+x0WGSWw36fXqg8sJBr/e/px4PQ5p89CEe43iMHBL7I=; b=nnCB/cA+zJVoREUjSkmemOZZIywlY6Gkd8dbWWMEYDcsU3lfnKxc9ht8oGnapRpNVDsP9LlgNNaJKivpk2bgIA2jG5ZACsF4xhb99UjReCtXrps1qW4rSWfFICMK/Fic0PPuNpQENMTGdpXV4V1NCpcL6XLrgZLKQnXZE6f1jF8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; 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 header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1564866554162457.8791362053322; Sat, 3 Aug 2019 14:09:14 -0700 (PDT) Received: from localhost ([::1]:42000 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hu1Gz-0002cG-DE for importer@patchew.org; Sat, 03 Aug 2019 17:09:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51917) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hu1GC-0000xW-9Y for qemu-devel@nongnu.org; Sat, 03 Aug 2019 17:08:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hu1G6-0005Mk-5H for qemu-devel@nongnu.org; Sat, 03 Aug 2019 17:08:12 -0400 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:45611) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hu1G5-0005Ly-J7 for qemu-devel@nongnu.org; Sat, 03 Aug 2019 17:08:10 -0400 Received: by mail-pf1-x443.google.com with SMTP id r1so37694468pfq.12 for ; Sat, 03 Aug 2019 14:08:09 -0700 (PDT) Received: from localhost.localdomain (97-113-7-119.tukw.qwest.net. [97.113.7.119]) by smtp.gmail.com with ESMTPSA id x25sm110129644pfa.90.2019.08.03.14.08.07 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sat, 03 Aug 2019 14:08:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+x0WGSWw36fXqg8sJBr/e/px4PQ5p89CEe43iMHBL7I=; b=Cwcnxi5Ll9OoC5PykIu9TfQLHldwMsAvoEc5GYdHrv0oEpkGdUvSWDZOHssZzXVhSA ZwhC9Gh7AdPJde9++OK0GnIhE3yzaWgrAI7Z/Re9IIvsMm8PwOIpoO9qBU8sSy4S0nMS 4jPbOD05A/lQ116UAkRA1qAe042pCBEOa9ey7y8RWftADpaZ+XcVZqCVXeKbsIEcfUib lsZv8Itprsc/qgMfYyBtYJmWuS9G9zMCLYm+f5GdXhfnNlRFsYX50Ok+lxHfjdZaL2Yg GvvXTJ+6V3nBSG29NGko2nj08Yn7bI6B7mGob9evEDVkRrrHMkUCEsNRR7JaB9ESvqNL CSwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+x0WGSWw36fXqg8sJBr/e/px4PQ5p89CEe43iMHBL7I=; b=b5k+UQBZt3ZlFMkyN5ROThO7Hqia2fzRDDkpx64yBHhIT35S9Medb85Zfc/rfQE12J qmSBX9vhvB4F2NV3VGeCWvKhyR8E0l4fe4s+f7Vc94DxLaN4QiBkkIVRT5/S/DEhBu2k S9LtZe4HxLWc5+uMbKstYD11/WoY29rji7u/3vdLR2TplNC4Ez8GUxspbEUqP/HL+q23 kI6zZIbgkDacBrlgWu73vFpY83YNn8SIOWidq00irTVQDd7JbXMVTPA8UWX7WYjFtB4c chGH7ahme/yXKd/G7HTneSDZvx+h9l5pCaku6x/mMuH3fAZAddbi+wQAhIj0t3/RkBbq 2ZNQ== X-Gm-Message-State: APjAAAVm1ARYbmRStOUaWIAq2FeBgrWNuwVB4gD8jkOmcNajN81tXHfd bmwpNM74kk5G79EGS2rqYTSWF/MDdqA= X-Google-Smtp-Source: APXvYqxWqqWPuBOLdRQc/hJXfPoBdGtaq4fiuoS0mDfuRQj9NKrBc2K0oy/9Xr5Ai6Lkek3SZ7VJxw== X-Received: by 2002:a17:90a:5884:: with SMTP id j4mr11266253pji.142.1564866488176; Sat, 03 Aug 2019 14:08:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sat, 3 Aug 2019 14:07:58 -0700 Message-Id: <20190803210803.5701-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190803210803.5701-1-richard.henderson@linaro.org> References: <20190803210803.5701-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::443 Subject: [Qemu-devel] [PATCH v7 1/6] linux-user/aarch64: Reset btype for signals X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org, Dave.Martin@arm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The kernel sets btype for the signal handler as if for a call. Signed-off-by: Richard Henderson --- linux-user/aarch64/signal.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index cd521ee42d..2c596a7088 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -506,10 +506,16 @@ static void target_setup_frame(int usig, struct targe= t_sigaction *ka, + offsetof(struct target_rt_frame_record, tramp); } env->xregs[0] =3D usig; - env->xregs[31] =3D frame_addr; env->xregs[29] =3D frame_addr + fr_ofs; - env->pc =3D ka->_sa_handler; env->xregs[30] =3D return_addr; + env->xregs[31] =3D frame_addr; + env->pc =3D ka->_sa_handler; + + /* Invoke the signal handler as if by indirect call. */ + if (cpu_isar_feature(aa64_bti, env_archcpu(env))) { + env->btype =3D 2; + } + if (info) { tswap_siginfo(&frame->info, info); env->xregs[1] =3D frame_addr + offsetof(struct target_rt_sigframe,= info); --=20 2.17.1