From patchwork Tue May 18 05:31:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 441161 Delivered-To: patch@linaro.org Received: by 2002:a02:7a1b:0:0:0:0:0 with SMTP id a27csp1808825jac; Mon, 17 May 2021 23:30:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzDrgfdbIoOtA0/ibhB2tVGYdypHgxTJm7fos9uIv3eq410jh3E/D2sqczORKNa8pRtbzXQ X-Received: by 2002:ab0:4042:: with SMTP id h60mr4787395uad.133.1621319410249; Mon, 17 May 2021 23:30:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621319410; cv=none; d=google.com; s=arc-20160816; b=L+UkAa/xgyNg40711OK7GCNBrcrDt1Gi59fTNyyluA3L2n2A4JIRHUb6k8h9R4mwX5 lgk12E9E+PVSIWsAM7YwdSSubVRJejK/c1mJlI/RY9C5x5hYruldzyQlNtsHkEG42hMd FSdlUKp9IWXCsgSIr3DUdAlTGanconuuTEl2yTHZMnHVLn/vwqXGGUQ3OvG8gNggu08K OQS8xhkM4GQWY/qb5g7lCIBO5LZnzfYKqtOV/w4AtS1MoEQf8B3AKkNILng6bbi/ftkA PK9AtIXlM6ecyhJ+TlpqajyhNwPouieT4TTtL2iJ5ce29XrZgQwztw635eG5Bmf8TcoD J/IQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from; bh=jraTE8C2Cn0DILXp2S88ngHuefL7C3T2GBEF4dSHFQs=; b=fIXYUvHcP5dd3iWkq2thG1YtieyYCpy+aWRys+9NWWxXt4FebLQ0NnnUg9pIAxZ8gz 6BpIrKSrXoo1nV2VloOpyECvDSLSD9hlJxZ+x76AM910IXdThQ4NPpp4bmgIBgz7jaJM VihnK3q3Nm0PbEtZPFvc4j7dAKPtVoJpg5yb5fbxvG/hsSLVEJdQNDgNqBVxRJRBAsZD Y+2K2XKsxPySP07sA7ClIRk6c8w6LhYldaZcWe1miyVDEyiLQppPgEiphldDiBlizc9e DCQVizZOutKQfw/WZSMSmrGTe75UnC7S0gcr6pFRClgZMqSlviSkTmvnzPdj0A5K6YHu VA+g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org" Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id a12si1015252uaf.188.2021.05.17.23.30.10 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 17 May 2021 23:30:10 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org" Received: from localhost ([::1]:60714 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1litF3-0006JT-MX for patch@linaro.org; Tue, 18 May 2021 02:30:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38928) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKx-00088Z-17 for qemu-devel@nongnu.org; Tue, 18 May 2021 01:32:11 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:42591) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKp-0007Ce-SJ for qemu-devel@nongnu.org; Tue, 18 May 2021 01:32:10 -0400 Received: from quad ([82.142.31.78]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MEUaQ-1lg9aF3Vik-00G0FI; Tue, 18 May 2021 07:32:02 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 56/59] linux-user/alpha: Share code for TARGET_NR_sigaction Date: Tue, 18 May 2021 07:31:28 +0200 Message-Id: <20210518053131.87212-57-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210518053131.87212-1-laurent@vivier.eu> References: <20210518053131.87212-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:uIe5Oi1LqiCOTOhl/5aXtZNXe6NL5mR8sAovxAghsJO/Bonhbum rqsQs8HghicY3ynqZIgJ8sLTlnCA32dseuKPR7nUW5edQN3tDWI6pL7W23ZVkRlN6hRBFRy vZbRU/9O5b198BWw87Af05K9y9H8lwyQr1ONzH7hOsRtrdDXmOsWoJiRIzF1keUFsVA6+aS bsPh5NUuNDwfeaA64J1MQ== X-UI-Out-Filterresults: notjunk:1; V03:K0:VnsybytxsFY=:YEJm3fSrnSzrPwvj7ZNnUL +gUXa/K1PvsEp+5XhQvuaE7d1PgDRL96e0Znpua/6iPHIalCNs7tVSWjuXDeQu362Y+JwtjFP dSSI2ZjjbMYDn/p0CuNFA/6G+wGIe+gitVOVaimxmn3LTpPu+PQe6svseY6+CkE5Qygwn67oL yDxEYeP44vK/Xo1Tn8m4yQCTHsj0zuZApL0EeaGAvtHtpqv4cvLZaczr1mGmdwBWjPdaOgzoC O5HBbRGjSd2AhoVkrGXl3Kqm90epkHfHfAAgaZh1s6VKhoTnmBou9Ua0HnD6b8VmXU3MjIv4N Gm0UsIaK6ks6jgoQ2q2tdyQ7Tx4NlUXoxwOU8CrOtFrd6dIFiSpc9vFAQR0zg33H3ZRsTv4wY iXPqo5EEtyBJMC54Pwvke0WdEUh7419yYZ4rx3bk+9WRcgxLAXvqDBen1Yy443M0py5lnQKx9 JCHemb3HLe0HKZukehouDoqrr+bQqDsy3xK+MOKd+2aiDBrKWMiN4qDs3jAImzJfTJ10M9gQV QZA6ItAe7EiEsSm7/LMP8A= Received-SPF: none client-ip=212.227.126.134; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson There's no longer a difference between the alpha code and the generic code. There is a type difference in target_old_sigaction.sa_flags, which can be resolved with a very much smaller ifdef, which allows us to finish sharing the target_sigaction definition. Signed-off-by: Richard Henderson Reviewed-by: Alex Bennée Message-Id: <20210422230227.314751-7-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/syscall.c | 23 +---------------------- linux-user/syscall_defs.h | 21 ++++++--------------- 2 files changed, 7 insertions(+), 37 deletions(-) -- 2.31.1 diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 048056ba2bf2..8d7ac1ebcffa 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8980,28 +8980,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_sigaction case TARGET_NR_sigaction: { -#if defined(TARGET_ALPHA) - struct target_sigaction act, oact, *pact = 0; - struct target_old_sigaction *old_act; - if (arg2) { - if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - return -TARGET_EFAULT; - act._sa_handler = old_act->_sa_handler; - target_siginitset(&act.sa_mask, old_act->sa_mask); - act.sa_flags = old_act->sa_flags; - unlock_user_struct(old_act, arg2, 0); - pact = &act; - } - ret = get_errno(do_sigaction(arg1, pact, &oact, 0)); - if (!is_error(ret) && arg3) { - if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - return -TARGET_EFAULT; - old_act->_sa_handler = oact._sa_handler; - old_act->sa_mask = oact.sa_mask.sig[0]; - old_act->sa_flags = oact.sa_flags; - unlock_user_struct(old_act, arg3, 1); - } -#elif defined(TARGET_MIPS) +#if defined(TARGET_MIPS) struct target_sigaction act, oact, *pact, *old_act; if (arg2) { diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 7a1d3b239c02..18b031a2f6a8 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -501,21 +501,12 @@ int do_sigaction(int sig, const struct target_sigaction *act, #endif #if defined(TARGET_ALPHA) -struct target_old_sigaction { - abi_ulong _sa_handler; - abi_ulong sa_mask; - int32_t sa_flags; -}; +typedef int32_t target_old_sa_flags; +#else +typedef abi_ulong target_old_sa_flags; +#endif -/* This is the struct used inside the kernel. The ka_restorer - field comes from the 5th argument to sys_rt_sigaction. */ -struct target_sigaction { - abi_ulong _sa_handler; - abi_ulong sa_flags; - target_sigset_t sa_mask; - abi_ulong ka_restorer; -}; -#elif defined(TARGET_MIPS) +#if defined(TARGET_MIPS) struct target_sigaction { uint32_t sa_flags; #if defined(TARGET_ABI_MIPSN32) @@ -533,7 +524,7 @@ struct target_sigaction { struct target_old_sigaction { abi_ulong _sa_handler; abi_ulong sa_mask; - abi_ulong sa_flags; + target_old_sa_flags sa_flags; #ifdef TARGET_ARCH_HAS_SA_RESTORER abi_ulong sa_restorer; #endif