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[187.189.51.144]) by smtp.gmail.com with ESMTPSA id k10sm684268ots.60.2020.10.02.14.59.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Oct 2020 14:59:58 -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 :mime-version:content-transfer-encoding; bh=zVLgn+OX/nTD/oUAFauTpXTtA86xiUG6+rSs26rONZM=; b=mZf3ei3K0SiIqpW+c5uWCNbm2ueVTT5/vAmHbsu2rR/KjUJHZrOXhkwRax/5I7x3oP 2Dl9Sq4f1iRROEp8QgfSJRu/U4uv8opg6mRo3zyQEmOhbwMDys6EQ8Ev28eQ/uxCBu0x mRjvNGcUgDhRh3e9Fs7J8NaS49+rPfrnWw5DKG19+vLajb+4aOX5SVOLjXLOhbJI++kJ V8G6AlBwsILhn3kLOe8ozGtt/3WYwcsjvtleVvnGiKiLNp3nRNcx4V9teyKyHPu/AHhO egLqObZdC0c1DJU+oQVQa59HqvYOisS2HkT2AvOb1zjZRHQvPliP57PLHkAF1gZTK0R8 maZA== 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:mime-version:content-transfer-encoding; bh=zVLgn+OX/nTD/oUAFauTpXTtA86xiUG6+rSs26rONZM=; b=ORwW6NKJtkcvNRg75osZkFJLGKn244V6xVOH9BtTN8h9wCv/vcjTFiJVP4V4KRBFxE gd+BI6qcfyYA4rFQaI7IZ5PQxsafGq3BHNWdPRH/qufnCfk73iHAhM7aR2BORwvwhRYx TjAPaeZ8iJY4RGm/pKhrcg+jhS6OTJn7ggCZfz2QCuBKxBAVqg6vXTrq+eFNGBagDB/f 12RUDau5SsVnWvA4uO/+adZyIe/2t1W15ZxwWKH+w4wREbl6/moRxPg+tuPGpyaMIZlx sPHpL5bDnRy4KvOBH9Lo5CwKzjYvdVWvZHasHkr7hydyU6ndDyRb/DOfoTazNcHYBlT3 N5ow== X-Gm-Message-State: AOAM5324g8F9zii25jXUW1A0Bozii/wi5PV9weSFe1M0st2cTF6s3tt1 quBEPIoXqaWf7CvXz3uZOi7OSmx5xjy49cUk X-Google-Smtp-Source: ABdhPJxJAFr0JUaS6cov/1LQ671Bk+7vDG2Ga/BMZ0JmrVqdOhTUGXlMYCYdV/jZkdtiFba6kZf34Q== X-Received: by 2002:a4a:b40a:: with SMTP id y10mr3402836oon.71.1601675999237; Fri, 02 Oct 2020 14:59:59 -0700 (PDT) From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Subject: [PATCH v10 1/8] linux-user/aarch64: Reset btype for signals Date: Fri, 2 Oct 2020 16:59:48 -0500 Message-Id: <20201002215955.254866-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201002215955.254866-1-richard.henderson@linaro.org> References: <20201002215955.254866-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=2607:f8b0:4864:20::c41; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc41.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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: <https://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: peter.maydell@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org> X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The kernel sets btype for the signal handler as if for a call. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- 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 d50c1ae583..b591790c22 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 2.25.1