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[121.45.127.8]) by smtp.gmail.com with ESMTPSA id b12sm13908088pfm.154.2022.02.07.23.12.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:12:43 -0800 (PST) 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=Uh058XUts6HPkXe97baHsy8/Ac7JrSk6cgbCWbIo3VY=; b=znbDpHVWPdPeOFwQq63atb1VJMFLiq6Njizswlg8axXVYQLQiNuF2D6I33hRhZm0u4 AgWLKR0vHpq+HS3oqcakBvnl8ig4aThIjkhUetzqKKeKR7JWejK27LE3Oj8BR8B6woAD B77OfgJuYEG8Xkh9DEW80tQvxsYpajsdbLqKALNXXFBuqyl3WJMxxVaI5XqnlJh9acap EcjNKDrhUZr7OaSGCxwKPsi2Vg0Ug+a6Jeow10tCJZH6GWl9ySF2bTCaGru6WNtOvYSH 91TA5EM7IMA22WEcufSNsT/bd5yR+rv1r4DW68S5MjUvSPEU7qlCRic7TXPrUuHFINed Gowg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Uh058XUts6HPkXe97baHsy8/Ac7JrSk6cgbCWbIo3VY=; b=6qihhCiUBVNBuC0Q314KPZJGqSRRb5Q5UWGMSMzCkz0ryGzinXRT+dVh8N0p9BC+3K dIIHpGoriCkCb5BnnGXHBH0Mw3Yv4cRLvRFK1bGVqzW5kv8nIz10jING/QfcHqv8aMOq GSZy0wsdCA8JGbeP5CNYFWnN89iKR2F7V7UsRF3OEn/vkfABulCWzpOkWvOHE4oDMNOn q+PE8qRmGaItjCZBMckOngSiWiknGMIBommnJuUUAk+AebHsQE4EpVk1ofTD1ZegKlqE BRhcOVcxxCLBaocaLlwGrDEpvQYL3YvySBKO9R4F+A8yDMHOHlOKWXA4f4DeqAHj+jBq TWew== X-Gm-Message-State: AOAM530e8A108vffGHnzkKVYDG3GOpvERHXJnTSnG+BR6JHxyyy1bPEw TvVR5vuWht2Ejs0LmHqbOKF6axLLwz4gEA== X-Google-Smtp-Source: ABdhPJwx36SQLKVTQZj2Nt+PwJH0Dm/NcAoIucrm1/IZro3A/SiONRSL++9lKYZ/XEgUM6QJRTSSJQ== X-Received: by 2002:a17:90a:d343:: with SMTP id i3mr2961862pjx.104.1644304364242; Mon, 07 Feb 2022 23:12:44 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/5] common-user/host/sparc64: Fix safe_syscall_base Date: Tue, 8 Feb 2022 18:12:33 +1100 Message-Id: <20220208071237.319844-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208071237.319844-1-richard.henderson@linaro.org> References: <20220208071237.319844-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::102b (failed) 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::102b; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102b.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1644310321152100001 Content-Type: text/plain; charset="utf-8" Use the "retl" instead of "ret" instruction alias, since we do not allocate a register window in this function. Fix the offset to the first stacked parameter, which lies beyond the register window save area. Fixes: 95c021dac835 ("linux-user/host/sparc64: Add safe-syscall.inc.S") Signed-off-by: Richard Henderson --- common-user/host/sparc64/safe-syscall.inc.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/common-user/host/sparc64/safe-syscall.inc.S b/common-user/host= /sparc64/safe-syscall.inc.S index a2f2b9c967..c7be8f2d25 100644 --- a/common-user/host/sparc64/safe-syscall.inc.S +++ b/common-user/host/sparc64/safe-syscall.inc.S @@ -24,7 +24,8 @@ .type safe_syscall_end, @function =20 #define STACK_BIAS 2047 -#define PARAM(N) STACK_BIAS + N*8 +#define WINDOW_SIZE 16 * 8 +#define PARAM(N) STACK_BIAS + WINDOW_SIZE + N * 8 =20 /* * This is the entry point for making a system call. The calling @@ -74,7 +75,7 @@ safe_syscall_end: /* code path for having successfully executed the syscall */ bcs,pn %xcc, 1f nop - ret + retl nop =20 /* code path when we didn't execute the syscall */ --=20 2.25.1 From nobody Mon Feb 9 01:07:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1644307178; cv=none; d=zohomail.com; s=zohoarc; b=M4hEIIZ+VpqYrggoZGyWRynUpu0A5waI5SekR9Xyzg5y0XZi4h5wbvZYSMizletDxBJJnX9voX1j0HxAXZJRYAl6CCiGsAjvHn7f51IAG9YEC0EhVbwPEg1N/UDL7F3dQvUzBFIx+dXyTt7H8Z2OP9qm5fFG1DwB7ZsBqu8uEzM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1644307178; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=3v2O+lFaW0GAttdgH6e1He7KUEe11OJUzhNwIeGxPJg=; b=mRZq4Y6PWuUCJrDQRHP8GGo2rCdhkCd0zUotE/OJrvtl2PzqNPfCfvcHrHzft5jNyC97NZ13KwfWt/PYntziEFgwIYG6uqxkP4vi5iXV9Rcmz7BfN/SLx8XpIAK2yi5j72qS/2g7uyZxq5mkRaUz0CQaPWpUyO4GfCy7rDm21xQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1644307178464227.24079158767438; Mon, 7 Feb 2022 23:59:38 -0800 (PST) Received: from localhost ([::1]:43728 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHLPU-0001ku-A8 for importer@patchew.org; Tue, 08 Feb 2022 02:59:36 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52048) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHKgE-0007AV-40 for qemu-devel@nongnu.org; Tue, 08 Feb 2022 02:12:50 -0500 Received: from [2607:f8b0:4864:20::429] (port=35406 helo=mail-pf1-x429.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nHKgB-0000Rh-KY for qemu-devel@nongnu.org; Tue, 08 Feb 2022 02:12:49 -0500 Received: by mail-pf1-x429.google.com with SMTP id z35so295757pfw.2 for ; Mon, 07 Feb 2022 23:12:47 -0800 (PST) Received: from localhost.localdomain (121-45-127-8.tpgi.com.au. [121.45.127.8]) by smtp.gmail.com with ESMTPSA id b12sm13908088pfm.154.2022.02.07.23.12.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:12:45 -0800 (PST) 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=3v2O+lFaW0GAttdgH6e1He7KUEe11OJUzhNwIeGxPJg=; b=rbmLE1DeEt4/VhnOv4yh0k9zCl4sPHTTJoWYS4++PPtQSiG5rBH18I/ofn++ZR7Buc 7IpnU30g6mM74vaOwBh8KV4I8ES9peH0d4d08SCFL206SGhcdzsjNWOfaqfuOhsjHj0q SgQ0G/Iu+TQeZj3VNv5IsCSZrKxgsoNfkXKZu/tFKCZqkT+MbvKvAWRApuLWXJPF8hsW NHwWloXLNZ8BOoFv3K3iGwDqm2dV/Xo5rM8gwrnomFcRg8K8EQW1QOa+ZuFqFCAgyt+P drYqQ0FceJeoj+sAPHyc/cGyTUHZnpDBYUksQdaEosr2TQRFVlwYS0LFPhIVmP2aOOWg 3RBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3v2O+lFaW0GAttdgH6e1He7KUEe11OJUzhNwIeGxPJg=; b=l3fyCqIiiVNZvTAKXs39WeLmzRPKjgacvm/tME/kDNJrerxk5SxtypH6rQqlNBTb02 RCeQ7kfmOqL+lNS90ed14yeB9uTPQhW1tCnWGkiDZcu2ZFEHxme41Fm8WlSSgJaA252y YQlNXI5pDOiWwIWdc6UgrYSSW+N3TmFWaPDR6/lUBOKkR9xRKVoxCuqTb5bPnVaPMdeA FSQ/jMQpUnhlfykVpcd29DvEzsNrujHIZPPdzzNmF7IP742xVD5ZQtIwzzkLO4F2lRPT 1X4ZJVf7DQCViRriai9IsmbH92W9KMjg3eJMboM2qE3hhfDGYMalHFCY4OTSkNrIFUFF 10UA== X-Gm-Message-State: AOAM533iSVRfSdysyWRcGqW6aYEKK6AQDkZ/8RkEQY+zU90qLCeKCwIM 7HKdIuN66hxIt6yRoVVCzfxtwdGHRPynkA== X-Google-Smtp-Source: ABdhPJzSRzvPBqgUSf48O/KvCzB3aa+SKIAPTswdL5EuE3RcIP4aSGmFtovlTCCTM2h/OWMrMn1DsA== X-Received: by 2002:a63:dd0f:: with SMTP id t15mr2474894pgg.12.1644304366206; Mon, 07 Feb 2022 23:12:46 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 2/5] linux-user: Introduce host_signal_mask Date: Tue, 8 Feb 2022 18:12:34 +1100 Message-Id: <20220208071237.319844-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208071237.319844-1-richard.henderson@linaro.org> References: <20220208071237.319844-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::429 (failed) 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::429; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x429.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1644307179202100001 Content-Type: text/plain; charset="utf-8" Do not directly access the uc_sigmask member. This is preparation for a sparc64 fix. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- linux-user/include/host/aarch64/host-signal.h | 5 +++++ linux-user/include/host/alpha/host-signal.h | 5 +++++ linux-user/include/host/arm/host-signal.h | 5 +++++ linux-user/include/host/i386/host-signal.h | 5 +++++ .../include/host/loongarch64/host-signal.h | 5 +++++ linux-user/include/host/mips/host-signal.h | 5 +++++ linux-user/include/host/ppc/host-signal.h | 5 +++++ linux-user/include/host/riscv/host-signal.h | 5 +++++ linux-user/include/host/s390/host-signal.h | 5 +++++ linux-user/include/host/sparc/host-signal.h | 5 +++++ linux-user/include/host/x86_64/host-signal.h | 5 +++++ linux-user/signal.c | 18 ++++++++---------- 12 files changed, 63 insertions(+), 10 deletions(-) diff --git a/linux-user/include/host/aarch64/host-signal.h b/linux-user/inc= lude/host/aarch64/host-signal.h index 9770b36dc1..76ab078069 100644 --- a/linux-user/include/host/aarch64/host-signal.h +++ b/linux-user/include/host/aarch64/host-signal.h @@ -40,6 +40,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.pc =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { struct _aarch64_ctx *hdr; diff --git a/linux-user/include/host/alpha/host-signal.h b/linux-user/inclu= de/host/alpha/host-signal.h index f4c942948a..a44d670f2b 100644 --- a/linux-user/include/host/alpha/host-signal.h +++ b/linux-user/include/host/alpha/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.sc_pc =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { uint32_t *pc =3D (uint32_t *)host_signal_pc(uc); diff --git a/linux-user/include/host/arm/host-signal.h b/linux-user/include= /host/arm/host-signal.h index 6c095773c0..bbeb4ffefb 100644 --- a/linux-user/include/host/arm/host-signal.h +++ b/linux-user/include/host/arm/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.arm_pc =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { /* diff --git a/linux-user/include/host/i386/host-signal.h b/linux-user/includ= e/host/i386/host-signal.h index abe1ece5c9..fd36f06bda 100644 --- a/linux-user/include/host/i386/host-signal.h +++ b/linux-user/include/host/i386/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.gregs[REG_EIP] =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { return uc->uc_mcontext.gregs[REG_TRAPNO] =3D=3D 0xe diff --git a/linux-user/include/host/loongarch64/host-signal.h b/linux-user= /include/host/loongarch64/host-signal.h index 7effa24251..a9dfe0c688 100644 --- a/linux-user/include/host/loongarch64/host-signal.h +++ b/linux-user/include/host/loongarch64/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.__pc =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { const uint32_t *pinsn =3D (const uint32_t *)host_signal_pc(uc); diff --git a/linux-user/include/host/mips/host-signal.h b/linux-user/includ= e/host/mips/host-signal.h index c666ed8c3f..ff840dd491 100644 --- a/linux-user/include/host/mips/host-signal.h +++ b/linux-user/include/host/mips/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.pc =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + #if defined(__misp16) || defined(__mips_micromips) #error "Unsupported encoding" #endif diff --git a/linux-user/include/host/ppc/host-signal.h b/linux-user/include= /host/ppc/host-signal.h index 1d8e658ff7..730a321d98 100644 --- a/linux-user/include/host/ppc/host-signal.h +++ b/linux-user/include/host/ppc/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.regs->nip =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { return uc->uc_mcontext.regs->trap !=3D 0x400 diff --git a/linux-user/include/host/riscv/host-signal.h b/linux-user/inclu= de/host/riscv/host-signal.h index a4f170efb0..aceae544f2 100644 --- a/linux-user/include/host/riscv/host-signal.h +++ b/linux-user/include/host/riscv/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.__gregs[REG_PC] =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { /* diff --git a/linux-user/include/host/s390/host-signal.h b/linux-user/includ= e/host/s390/host-signal.h index a524f2ab00..e454cea54a 100644 --- a/linux-user/include/host/s390/host-signal.h +++ b/linux-user/include/host/s390/host-signal.h @@ -21,6 +21,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.psw.addr =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { uint16_t *pinsn =3D (uint16_t *)host_signal_pc(uc); diff --git a/linux-user/include/host/sparc/host-signal.h b/linux-user/inclu= de/host/sparc/host-signal.h index 7342936071..158918f2ec 100644 --- a/linux-user/include/host/sparc/host-signal.h +++ b/linux-user/include/host/sparc/host-signal.h @@ -29,6 +29,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) #endif } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { uint32_t insn =3D *(uint32_t *)host_signal_pc(uc); diff --git a/linux-user/include/host/x86_64/host-signal.h b/linux-user/incl= ude/host/x86_64/host-signal.h index c71d597eb2..d64d076625 100644 --- a/linux-user/include/host/x86_64/host-signal.h +++ b/linux-user/include/host/x86_64/host-signal.h @@ -20,6 +20,11 @@ static inline void host_signal_set_pc(ucontext_t *uc, ui= ntptr_t pc) uc->uc_mcontext.gregs[REG_RIP] =3D pc; } =20 +static inline void *host_signal_mask(ucontext_t *uc) +{ + return &uc->uc_sigmask; +} + static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) { return uc->uc_mcontext.gregs[REG_TRAPNO] =3D=3D 0xe diff --git a/linux-user/signal.c b/linux-user/signal.c index 32854bb375..0c61459d4a 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -820,6 +820,7 @@ static void host_signal_handler(int host_sig, siginfo_t= *info, void *puc) int guest_sig; uintptr_t pc =3D 0; bool sync_sig =3D false; + void *sigmask =3D host_signal_mask(uc); =20 /* * Non-spoofed SIGSEGV and SIGBUS are synchronous, and need special @@ -849,8 +850,7 @@ static void host_signal_handler(int host_sig, siginfo_t= *info, void *puc) if (info->si_code =3D=3D SEGV_ACCERR && h2g_valid(host_addr)) { /* If this was a write to a TB protected page, restart. */ if (is_write && - handle_sigsegv_accerr_write(cpu, &uc->uc_sigmask, - pc, guest_addr)) { + handle_sigsegv_accerr_write(cpu, sigmask, pc, guest_ad= dr)) { return; } =20 @@ -865,10 +865,10 @@ static void host_signal_handler(int host_sig, siginfo= _t *info, void *puc) } } =20 - sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); + sigprocmask(SIG_SETMASK, sigmask, NULL); cpu_loop_exit_sigsegv(cpu, guest_addr, access_type, maperr, pc= ); } else { - sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); + sigprocmask(SIG_SETMASK, sigmask, NULL); if (info->si_code =3D=3D BUS_ADRALN) { cpu_loop_exit_sigbus(cpu, guest_addr, access_type, pc); } @@ -909,17 +909,15 @@ static void host_signal_handler(int host_sig, siginfo= _t *info, void *puc) * now and it getting out to the main loop. Signals will be * unblocked again in process_pending_signals(). * - * WARNING: we cannot use sigfillset() here because the uc_sigmask + * WARNING: we cannot use sigfillset() here because the sigmask * field is a kernel sigset_t, which is much smaller than the * libc sigset_t which sigfillset() operates on. Using sigfillset() * would write 0xff bytes off the end of the structure and trash * data on the struct. - * We can't use sizeof(uc->uc_sigmask) either, because the libc - * headers define the struct field with the wrong (too large) type. */ - memset(&uc->uc_sigmask, 0xff, SIGSET_T_SIZE); - sigdelset(&uc->uc_sigmask, SIGSEGV); - sigdelset(&uc->uc_sigmask, SIGBUS); + memset(sigmask, 0xff, SIGSET_T_SIZE); + sigdelset(sigmask, SIGSEGV); + sigdelset(sigmask, SIGBUS); =20 /* interrupt the virtual CPU as soon as possible */ cpu_exit(thread_cpu); --=20 2.25.1 From nobody Mon Feb 9 01:07:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1644310560; cv=none; d=zohomail.com; s=zohoarc; b=NN53BkOpBnrGwyNTCCjtoUdh+gBbYtuMlKSRa+hoHoicdPmZH+6u2aYogPMJgPzqS7ZSxh1PInTV/cA1Ku5Sf6qe5VBrCll5rcboJwYbT9gMf+Gh64MNp4nH/ItP1sncIZO0Y8UK2SNg4eBAtAQZbdtoZJpGDE5MB8kuJRUghWY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1644310560; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=oHQ1OXiOIcQWGDrerT0s2CKiSSZ/T9A2Et8ZkjaMCfg=; b=Ssu75RkPhNnWFAsliLGdAS/Z7/QmXr1HCge8K4+XhuHfSLgAM5X3iteMQD5RPhG+PEjA3iUk6oexjxfLgyGYHA2BqoOJhLCkErrDZrVVA2wA1fRtqJkXUqbNmbvhteZMbvDdPrOUdluf2fXuJN28HPHN5M7bKxDhkK8RcAu4c6A= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 164431056065674.87119469569075; Tue, 8 Feb 2022 00:56:00 -0800 (PST) Received: from localhost ([::1]:35290 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHMI2-0004F9-Nb for importer@patchew.org; Tue, 08 Feb 2022 03:55:58 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52072) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHKgG-0007C0-EV for qemu-devel@nongnu.org; Tue, 08 Feb 2022 02:12:53 -0500 Received: from [2607:f8b0:4864:20::42a] (port=44837 helo=mail-pf1-x42a.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nHKgD-0000S4-RG for qemu-devel@nongnu.org; Tue, 08 Feb 2022 02:12:52 -0500 Received: by mail-pf1-x42a.google.com with SMTP id n32so17342247pfv.11 for ; Mon, 07 Feb 2022 23:12:49 -0800 (PST) Received: from localhost.localdomain (121-45-127-8.tpgi.com.au. [121.45.127.8]) by smtp.gmail.com with ESMTPSA id b12sm13908088pfm.154.2022.02.07.23.12.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:12:48 -0800 (PST) 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=oHQ1OXiOIcQWGDrerT0s2CKiSSZ/T9A2Et8ZkjaMCfg=; b=JBRzzfceKggQRZZCvfVQQ8rPbFK6LtMzL5voC6MBWOxdkTerigxmPYQ0Vk4y07YH53 BeKYSrPbcgj32ni+Ulgdf9tMbm1XBFFOCgFYqiF62iKVg8JjjMNxL+mRwPqRH53DGKsu MThlVWC6Oon/eHsXkU0fMbdIV3m0F2/h3k8F99FxA6caid0OVOooREteHCxbR8JPoiKT W5gZ8ZZD3jen4w9HreAmvcZqbJsyQdOT9kK4NIgZ+G1MA92hOb9XS3rFi/bhkuLUq8c6 E6xbcI/h3rK8ga0elbXzt3fIpOaoB92qa7QqlwVtVlNZZl7Wwx/hJcsGKDg4/bNevS+D xvxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=oHQ1OXiOIcQWGDrerT0s2CKiSSZ/T9A2Et8ZkjaMCfg=; b=G8gSF8hy+GPuJGt4Lny258igYNaAS+/30Ryhf7hSBhGllXBt9o7jl3Mz3mt3jDUPVu IRnDnZLM/ORXETDFCmSVyqLAd4B9FcUUP0xYsXmChDk1q6tW3lzqSN5lz/NhfNjsNzO6 hQBiu1jynKJHMk0nK76UC+Y0QX786mhu6gj91k2lVwosz9z3M0frj0MCONrJI0usBBf7 vIg0EkzFJkze5AfXSr9Rl6YukMkfbBYKRIcUV18TMSq0w6deS8ILAcVC8wuu14WB/NiC Q/M3xThhJMRhSwCg83njcfOW9NQUHmkN30Odzr3ly6wNXaZ5qe1TA4gY+S2mtU3Wx4li fxBw== X-Gm-Message-State: AOAM532RK/OVOtWdwVqWsKvy8/CwjAePpCtNhNTTGKzaIT66OX7PW0un UZuOa22DkqMI8phvJTKKHMkqLM9lB77I+Q== X-Google-Smtp-Source: ABdhPJy5uHdcHefX5Wu6lro/CN9z4Cp+C0z4AMvN8pjt1Pr8kbxR1xRCMDA529vxQt3GLGqoFGfJMA== X-Received: by 2002:a63:4408:: with SMTP id r8mr1166970pga.101.1644304368460; Mon, 07 Feb 2022 23:12:48 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 3/5] linux-user: Introduce host_sigcontext Date: Tue, 8 Feb 2022 18:12:35 +1100 Message-Id: <20220208071237.319844-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208071237.319844-1-richard.henderson@linaro.org> References: <20220208071237.319844-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::42a (failed) 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::42a; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42a.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1644310562129100001 Content-Type: text/plain; charset="utf-8" Do not directly access ucontext_t as the third signal parameter. This is preparation for a sparc64 fix. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- linux-user/include/host/aarch64/host-signal.h | 13 ++++++++----- linux-user/include/host/alpha/host-signal.h | 11 +++++++---- linux-user/include/host/arm/host-signal.h | 11 +++++++---- linux-user/include/host/i386/host-signal.h | 11 +++++++---- linux-user/include/host/loongarch64/host-signal.h | 11 +++++++---- linux-user/include/host/mips/host-signal.h | 11 +++++++---- linux-user/include/host/ppc/host-signal.h | 11 +++++++---- linux-user/include/host/riscv/host-signal.h | 11 +++++++---- linux-user/include/host/s390/host-signal.h | 11 +++++++---- linux-user/include/host/sparc/host-signal.h | 11 +++++++---- linux-user/include/host/x86_64/host-signal.h | 11 +++++++---- linux-user/signal.c | 4 ++-- 12 files changed, 80 insertions(+), 47 deletions(-) diff --git a/linux-user/include/host/aarch64/host-signal.h b/linux-user/inc= lude/host/aarch64/host-signal.h index 76ab078069..be079684a2 100644 --- a/linux-user/include/host/aarch64/host-signal.h +++ b/linux-user/include/host/aarch64/host-signal.h @@ -11,6 +11,9 @@ #ifndef AARCH64_HOST_SIGNAL_H #define AARCH64_HOST_SIGNAL_H =20 +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + /* Pre-3.16 kernel headers don't have these, so provide fallback definitio= ns */ #ifndef ESR_MAGIC #define ESR_MAGIC 0x45535201 @@ -20,7 +23,7 @@ struct esr_context { }; #endif =20 -static inline struct _aarch64_ctx *first_ctx(ucontext_t *uc) +static inline struct _aarch64_ctx *first_ctx(host_sigcontext *uc) { return (struct _aarch64_ctx *)&uc->uc_mcontext.__reserved; } @@ -30,22 +33,22 @@ static inline struct _aarch64_ctx *next_ctx(struct _aar= ch64_ctx *hdr) return (struct _aarch64_ctx *)((char *)hdr + hdr->size); } =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.pc; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.pc =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { struct _aarch64_ctx *hdr; uint32_t insn; diff --git a/linux-user/include/host/alpha/host-signal.h b/linux-user/inclu= de/host/alpha/host-signal.h index a44d670f2b..4f9e2abc4b 100644 --- a/linux-user/include/host/alpha/host-signal.h +++ b/linux-user/include/host/alpha/host-signal.h @@ -11,22 +11,25 @@ #ifndef ALPHA_HOST_SIGNAL_H #define ALPHA_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.sc_pc; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.sc_pc =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { uint32_t *pc =3D (uint32_t *)host_signal_pc(uc); uint32_t insn =3D *pc; diff --git a/linux-user/include/host/arm/host-signal.h b/linux-user/include= /host/arm/host-signal.h index bbeb4ffefb..faba496d24 100644 --- a/linux-user/include/host/arm/host-signal.h +++ b/linux-user/include/host/arm/host-signal.h @@ -11,22 +11,25 @@ #ifndef ARM_HOST_SIGNAL_H #define ARM_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.arm_pc; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.arm_pc =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { /* * In the FSR, bit 11 is WnR, assuming a v6 or diff --git a/linux-user/include/host/i386/host-signal.h b/linux-user/includ= e/host/i386/host-signal.h index fd36f06bda..e2b64f077f 100644 --- a/linux-user/include/host/i386/host-signal.h +++ b/linux-user/include/host/i386/host-signal.h @@ -11,22 +11,25 @@ #ifndef I386_HOST_SIGNAL_H #define I386_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.gregs[REG_EIP]; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.gregs[REG_EIP] =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { return uc->uc_mcontext.gregs[REG_TRAPNO] =3D=3D 0xe && (uc->uc_mcontext.gregs[REG_ERR] & 0x2); diff --git a/linux-user/include/host/loongarch64/host-signal.h b/linux-user= /include/host/loongarch64/host-signal.h index a9dfe0c688..d33c3fc03e 100644 --- a/linux-user/include/host/loongarch64/host-signal.h +++ b/linux-user/include/host/loongarch64/host-signal.h @@ -11,22 +11,25 @@ #ifndef LOONGARCH64_HOST_SIGNAL_H #define LOONGARCH64_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.__pc; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.__pc =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { const uint32_t *pinsn =3D (const uint32_t *)host_signal_pc(uc); uint32_t insn =3D pinsn[0]; diff --git a/linux-user/include/host/mips/host-signal.h b/linux-user/includ= e/host/mips/host-signal.h index ff840dd491..0dbc5cecfd 100644 --- a/linux-user/include/host/mips/host-signal.h +++ b/linux-user/include/host/mips/host-signal.h @@ -11,17 +11,20 @@ #ifndef MIPS_HOST_SIGNAL_H #define MIPS_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.pc; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.pc =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } @@ -30,7 +33,7 @@ static inline void *host_signal_mask(ucontext_t *uc) #error "Unsupported encoding" #endif =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { uint32_t insn =3D *(uint32_t *)host_signal_pc(uc); =20 diff --git a/linux-user/include/host/ppc/host-signal.h b/linux-user/include= /host/ppc/host-signal.h index 730a321d98..b80384d135 100644 --- a/linux-user/include/host/ppc/host-signal.h +++ b/linux-user/include/host/ppc/host-signal.h @@ -11,22 +11,25 @@ #ifndef PPC_HOST_SIGNAL_H #define PPC_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.regs->nip; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.regs->nip =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { return uc->uc_mcontext.regs->trap !=3D 0x400 && (uc->uc_mcontext.regs->dsisr & 0x02000000); diff --git a/linux-user/include/host/riscv/host-signal.h b/linux-user/inclu= de/host/riscv/host-signal.h index aceae544f2..decacb2325 100644 --- a/linux-user/include/host/riscv/host-signal.h +++ b/linux-user/include/host/riscv/host-signal.h @@ -11,22 +11,25 @@ #ifndef RISCV_HOST_SIGNAL_H #define RISCV_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.__gregs[REG_PC]; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.__gregs[REG_PC] =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { /* * Detect store by reading the instruction at the program counter. diff --git a/linux-user/include/host/s390/host-signal.h b/linux-user/includ= e/host/s390/host-signal.h index e454cea54a..6f191e64d7 100644 --- a/linux-user/include/host/s390/host-signal.h +++ b/linux-user/include/host/s390/host-signal.h @@ -11,22 +11,25 @@ #ifndef S390_HOST_SIGNAL_H #define S390_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.psw.addr; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.psw.addr =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { uint16_t *pinsn =3D (uint16_t *)host_signal_pc(uc); =20 diff --git a/linux-user/include/host/sparc/host-signal.h b/linux-user/inclu= de/host/sparc/host-signal.h index 158918f2ec..871b6bb269 100644 --- a/linux-user/include/host/sparc/host-signal.h +++ b/linux-user/include/host/sparc/host-signal.h @@ -11,7 +11,10 @@ #ifndef SPARC_HOST_SIGNAL_H #define SPARC_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. = */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { #ifdef __arch64__ return uc->uc_mcontext.mc_gregs[MC_PC]; @@ -20,7 +23,7 @@ static inline uintptr_t host_signal_pc(ucontext_t *uc) #endif } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { #ifdef __arch64__ uc->uc_mcontext.mc_gregs[MC_PC] =3D pc; @@ -29,12 +32,12 @@ static inline void host_signal_set_pc(ucontext_t *uc, u= intptr_t pc) #endif } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { uint32_t insn =3D *(uint32_t *)host_signal_pc(uc); =20 diff --git a/linux-user/include/host/x86_64/host-signal.h b/linux-user/incl= ude/host/x86_64/host-signal.h index d64d076625..5a7627fedc 100644 --- a/linux-user/include/host/x86_64/host-signal.h +++ b/linux-user/include/host/x86_64/host-signal.h @@ -10,22 +10,25 @@ #ifndef X86_64_HOST_SIGNAL_H #define X86_64_HOST_SIGNAL_H =20 -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.gregs[REG_RIP]; } =20 -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.gregs[REG_RIP] =3D pc; } =20 -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } =20 -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { return uc->uc_mcontext.gregs[REG_TRAPNO] =3D=3D 0xe && (uc->uc_mcontext.gregs[REG_ERR] & 0x2); diff --git a/linux-user/signal.c b/linux-user/signal.c index 0c61459d4a..27a0ff30e9 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -800,7 +800,7 @@ void queue_signal(CPUArchState *env, int sig, int si_ty= pe, /* Adjust the signal context to rewind out of safe-syscall if we're in it = */ static inline void rewind_if_in_safe_syscall(void *puc) { - ucontext_t *uc =3D (ucontext_t *)puc; 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[121.45.127.8]) by smtp.gmail.com with ESMTPSA id b12sm13908088pfm.154.2022.02.07.23.12.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:12:50 -0800 (PST) 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=FJuLwgpIKS69h636IRXxH6OktXJuo/SfsuMoxMe201g=; b=o/HokwXXisnt0GaK7ZBW1ZOX/tBQtAq9JGlorXjLjJUYTHNmT00tsgH2Y0jhfZtNHR 6henEikK3JHnsbkwGCNUNJxqVSiqj1SEvLYRld0peYz3YliUcDy3vxOKiuyZus7i5gqS zU4tI04Jb75YsHmDbe8CI++hlIyDcWSlp3S9ZEi5oAVH6To4nmF93hXd3ElfenZmjA+/ KC6tHt1ZhW51TSBBoYE79pwm/DW4Oai8zpRbYDS/IfU7n7JrBuW6aH8WJdEHeFLX40DN ct+P14c2wBTYqaOFu8M4fjwt/CGRxdSCnpl7/DuEkx6NIjarpyWVz1B05Qjto6EpvGTW 0+Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FJuLwgpIKS69h636IRXxH6OktXJuo/SfsuMoxMe201g=; b=bHb/t6YU395DfThckp0W8hTbTs8offmzfd7aE2/XoVB347tLG0Sr9nh+bYDy/sDrM4 eoeDBxX4t5ulww2LJQXBy7wNd/DDvYprfWlHyBnNfpIrBx3r2P+LjhqTOGSwqpz7qsJD KIxrEEHrBGVEr1SrI9UC/dCcjO70DcFDt4V/2QyPzwF82CCzQgXC8+/6IRGZF2GLk8TS 0jgZb0kndIGR1qJ6J4nGLifO+p554SvSbizdr+/F1UYozbz4DF9qiCP2dWvmbhcWl6sY dbRZoT5b2cxawxvbE56zhK6ZZRRTFlm0bbXvTgq2sTslkiz/3jmbh8IjJo2tKgqF8W/B gGJg== X-Gm-Message-State: AOAM532TuDqTFyG3ApoPfKTO8YlW1TSZbXaFCwXBuvw9PqRC0O3wWGZb SOe1gbzPvhhJ0rk1GcEZG+URXGOSiKHB/A== X-Google-Smtp-Source: ABdhPJwnIOe32GsQcx+5fCThTua/OSSnk5tX67biI3c+OsSHhLNJmYKkqiSx6c01BKxojSBWbor/nw== X-Received: by 2002:a63:8ac8:: with SMTP id y191mr1506425pgd.29.1644304370676; Mon, 07 Feb 2022 23:12:50 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 4/5] linux-user: Move sparc/host-signal.h to sparc64/host-signal.h Date: Tue, 8 Feb 2022 18:12:36 +1100 Message-Id: <20220208071237.319844-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208071237.319844-1-richard.henderson@linaro.org> References: <20220208071237.319844-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::435 (failed) 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::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1644308094067100001 Content-Type: text/plain; charset="utf-8" We do not support sparc32 as a host, so there's no point in sparc64 redirecting to sparc. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- linux-user/include/host/sparc/host-signal.h | 71 ------------------- linux-user/include/host/sparc64/host-signal.h | 64 ++++++++++++++++- 2 files changed, 63 insertions(+), 72 deletions(-) delete mode 100644 linux-user/include/host/sparc/host-signal.h diff --git a/linux-user/include/host/sparc/host-signal.h b/linux-user/inclu= de/host/sparc/host-signal.h deleted file mode 100644 index 871b6bb269..0000000000 --- a/linux-user/include/host/sparc/host-signal.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * host-signal.h: signal info dependent on the host architecture - * - * Copyright (c) 2003-2005 Fabrice Bellard - * Copyright (c) 2021 Linaro Limited - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or l= ater. - * See the COPYING file in the top-level directory. - */ - -#ifndef SPARC_HOST_SIGNAL_H -#define SPARC_HOST_SIGNAL_H - -/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. = */ -typedef ucontext_t host_sigcontext; - -static inline uintptr_t host_signal_pc(host_sigcontext *uc) -{ -#ifdef __arch64__ - return uc->uc_mcontext.mc_gregs[MC_PC]; -#else - return uc->uc_mcontext.gregs[REG_PC]; -#endif -} - -static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) -{ -#ifdef __arch64__ - uc->uc_mcontext.mc_gregs[MC_PC] =3D pc; -#else - uc->uc_mcontext.gregs[REG_PC] =3D pc; -#endif -} - -static inline void *host_signal_mask(host_sigcontext *uc) -{ - return &uc->uc_sigmask; -} - -static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) -{ - uint32_t insn =3D *(uint32_t *)host_signal_pc(uc); - - if ((insn >> 30) =3D=3D 3) { - switch ((insn >> 19) & 0x3f) { - case 0x05: /* stb */ - case 0x15: /* stba */ - case 0x06: /* sth */ - case 0x16: /* stha */ - case 0x04: /* st */ - case 0x14: /* sta */ - case 0x07: /* std */ - case 0x17: /* stda */ - case 0x0e: /* stx */ - case 0x1e: /* stxa */ - case 0x24: /* stf */ - case 0x34: /* stfa */ - case 0x27: /* stdf */ - case 0x37: /* stdfa */ - case 0x26: /* stqf */ - case 0x36: /* stqfa */ - case 0x25: /* stfsr */ - case 0x3c: /* casa */ - case 0x3e: /* casxa */ - return true; - } - } - return false; -} - -#endif diff --git a/linux-user/include/host/sparc64/host-signal.h b/linux-user/inc= lude/host/sparc64/host-signal.h index 1191fe2d40..f8a8a4908d 100644 --- a/linux-user/include/host/sparc64/host-signal.h +++ b/linux-user/include/host/sparc64/host-signal.h @@ -1 +1,63 @@ -#include "../sparc/host-signal.h" +/* + * host-signal.h: signal info dependent on the host architecture + * + * Copyright (c) 2003-2005 Fabrice Bellard + * Copyright (c) 2021 Linaro Limited + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or l= ater. + * See the COPYING file in the top-level directory. + */ + +#ifndef SPARC64_HOST_SIGNAL_H +#define SPARC64_HOST_SIGNAL_H + +/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. = */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) +{ + return uc->uc_mcontext.mc_gregs[MC_PC]; +} + +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) +{ + uc->uc_mcontext.mc_gregs[MC_PC] =3D pc; +} + +static inline void *host_signal_mask(host_sigcontext *uc) +{ + return &uc->uc_sigmask; +} + +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) +{ + uint32_t insn =3D *(uint32_t *)host_signal_pc(uc); + + if ((insn >> 30) =3D=3D 3) { + switch ((insn >> 19) & 0x3f) { + case 0x05: /* stb */ + case 0x15: /* stba */ + case 0x06: /* sth */ + case 0x16: /* stha */ + case 0x04: /* st */ + case 0x14: /* sta */ + case 0x07: /* std */ + case 0x17: /* stda */ + case 0x0e: /* stx */ + case 0x1e: /* stxa */ + case 0x24: /* stf */ + case 0x34: /* stfa */ + case 0x27: /* stdf */ + case 0x37: /* stdfa */ + case 0x26: /* stqf */ + case 0x36: /* stqfa */ + case 0x25: /* stfsr */ + case 0x3c: /* casa */ + case 0x3e: /* casxa */ + return true; + } + } + return false; +} + +#endif --=20 2.25.1 From nobody Mon Feb 9 01:07:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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[121.45.127.8]) by smtp.gmail.com with ESMTPSA id b12sm13908088pfm.154.2022.02.07.23.12.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:12:52 -0800 (PST) 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=xkQSSfw7Pzh/MwPufzIC/bP8BbJT214j9m8GQ4wb+68=; b=a7VmFXtfLaVD2u83SHaHUP5olYh09h1HNgHMuQ8rcR+CnzgGbwevYKk0RTL/ulOf50 F5pj54fGV9ZCHBA5R6RT2sM6qteK4A7Vpl2i9/RqYyPWC3AWIzm3fo4Deqt4y38RM1SJ MXz9Hk/+RWz7JYM3bu60yP38Pfsc1cZrPyvly3Cr4ngAhVYRvTs2nIkuLv8n0H8DKfNc d4B4FsDN+KjEFPsEkr/uZLG6aZ2oYAmsKqtcI+yIcurk6u55cxp+nw1GTsjjk/4DA99g UzM6gj/Tp3fQncONjwedntKdVBPbSvDLV/8m+E77KoGxbzdHZ2M7KDsTpPkfeHorYwpu Bjow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xkQSSfw7Pzh/MwPufzIC/bP8BbJT214j9m8GQ4wb+68=; b=DzySnvi9Q985P0CQecw3Pk/C/pf6OPNhSL+zFUYh0CA909tYnhJ37VPu0lBHyy8KUS aQKsjofKziU98cYPCU5QUUJFGF/FubgHoi4fqWbAZoqTt0WaAQS1EE1X7C8upgOuuHXX QylVrRfys6UqhkQD+RUBf7LdmQM+8SlWcyqJLZsIkXdjYnc/DaAAvk0wmyBgAaYJoMGZ uOFF9HRDfJWj/WuDxUFDjIiDA6Px3NoYOwP137x+2Me4KnOI8lJyTgM87mHaRm4+2HKj MbbIsRvv0+A4XcEA4uK5PAd8IrjnW8YYyMLdopc9ZJPuWzs3QOVv7dRQLVjos5bkbrZ1 AV3A== X-Gm-Message-State: AOAM531clnVgvv0f3Cy0vekqxU3CVzUbDzdfNgShQnv9zVc1VzE0VDxP 4/leNI3ExcTwo820zq0UOTHruov4uD/Ueg== X-Google-Smtp-Source: ABdhPJwHUDtjOkAEwiF/8V/FMoY6vjRkGg7w/vdM02Ot/pcDifUjcwJGeKa7opSNZitaWdED9j8vqA== X-Received: by 2002:a17:902:6903:: with SMTP id j3mr3202041plk.23.1644304372837; Mon, 07 Feb 2022 23:12:52 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 5/5] linux-user/include/host/sparc64: Fix host_sigcontext Date: Tue, 8 Feb 2022 18:12:37 +1100 Message-Id: <20220208071237.319844-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208071237.319844-1-richard.henderson@linaro.org> References: <20220208071237.319844-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::636 (failed) 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::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1644306115199100003 Content-Type: text/plain; charset="utf-8" Sparc64 is unique on linux in *not* passing ucontext_t as the third argument to a SA_SIGINFO handler. It passes the old struct sigcontext instead.t log Fixes: 8b5bd461935b ("linux-user/host/sparc: Populate host_signal.h") Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/include/host/sparc64/host-signal.h | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/linux-user/include/host/sparc64/host-signal.h b/linux-user/inc= lude/host/sparc64/host-signal.h index f8a8a4908d..64957c2bca 100644 --- a/linux-user/include/host/sparc64/host-signal.h +++ b/linux-user/include/host/sparc64/host-signal.h @@ -11,22 +11,23 @@ #ifndef SPARC64_HOST_SIGNAL_H #define SPARC64_HOST_SIGNAL_H =20 -/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. = */ -typedef ucontext_t host_sigcontext; +/* The third argument to a SA_SIGINFO handler is struct sigcontext. */ +typedef struct sigcontext host_sigcontext; =20 -static inline uintptr_t host_signal_pc(host_sigcontext *uc) +static inline uintptr_t host_signal_pc(host_sigcontext *sc) { - return uc->uc_mcontext.mc_gregs[MC_PC]; + return sc->sigc_regs.tpc; } =20 -static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *sc, uintptr_t pc) { - uc->uc_mcontext.mc_gregs[MC_PC] =3D pc; + sc->sigc_regs.tpc =3D pc; + sc->sigc_regs.tnpc =3D pc + 4; } =20 -static inline void *host_signal_mask(host_sigcontext *uc) +static inline void *host_signal_mask(host_sigcontext *sc) { - return &uc->uc_sigmask; + return &sc->sigc_mask; } =20 static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) --=20 2.25.1