From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07981C433F5 for ; Sat, 18 Sep 2021 19:04:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A0537610A6 for ; Sat, 18 Sep 2021 19:04:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A0537610A6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:54718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRfdV-00036v-Qt for qemu-devel@archiver.kernel.org; Sat, 18 Sep 2021 15:04:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54618) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRfLm-0005Ia-Dh for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:46:10 -0400 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]:47089) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRfLb-0006ww-5H for qemu-devel@nongnu.org; Sat, 18 Sep 2021 14:46:10 -0400 Received: by mail-pg1-x52c.google.com with SMTP id m21so3884870pgu.13 for ; Sat, 18 Sep 2021 11:45:56 -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=MPeEJcgZH7TojaDG8K8aivb2xJIScpaxZoFZXE7a5sY=; b=S4JY2mStgSg8363Sq0kvbXKwnb2NR5+QabwRXj+5WKssNRzbI6i67hkzp6rDgWwvvc nzLXluddeGG+Y341TyCdea0z7DrY67mMI+ALF15VTgoYmb6az90n0u5GYoDC0lNMGH07 mbm7Cq4kp2Z82bCxfbVx2cjO9hoKyHdSSZPckA0CCuBZAQN+zh8MNFNdAhHPbHwJ42Uw 8RAB4POzXDyJvTpyt5uVD/yPzLwqxQn9rzTwfTIJc+F4S+Jv2T8HCvqR56++wj7i0gej T5a89iD8FvkqnQ69n9o+zUz5Vrb88fpaVb2qZbx5C+P4UkWZgHBHJ9Yn994NBGIrjtqf H0Dw== 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=MPeEJcgZH7TojaDG8K8aivb2xJIScpaxZoFZXE7a5sY=; b=RGQ+Skg5mmfJwN3mDCMyJROUSym8FGKHALObH7vrrTVunq2K1/JHBZi4q+CzK+Nvqk xetaohYe7AAroKGvyDcnNts0ToEo87kCTt6DvZ94wc+aqDYj90n9JKFrf08CvG3Qvayu wVphmljKU/+vaZaHt3GsEZDf/17boUR7X7lexBD/mtEMuqR28Vhc2W8y6oSJOgcaK53w DLb9LYgmFC31LChyJjb0lm/zFi4a+f+052I2aWbA2WCNP9SyRZC422SrrwgqTZ6TAlxc lA5pXZ20NE4xvLBByujqnYZjaCQma3jswfDv2lyvjNG3L1ny9/ptetilDKdeV4UfdVq7 XKNw== X-Gm-Message-State: AOAM533kixa2dr1bhzKefqTbASNBLqayH294eyaC4lLJiDRj9GysuIsh zuIf9B/SgVXiSfBRv+f7+EF8WY6vcmjZvA== X-Google-Smtp-Source: ABdhPJxKsWTtR0gusFON6WRH5WFBeYNaSKlXmionCB1ZmU18kypAiLV/N50LiGJ7swrvrNlTf1tQ6Q== X-Received: by 2002:a63:4d20:: with SMTP id a32mr15733094pgb.247.1631990755291; Sat, 18 Sep 2021 11:45:55 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id y26sm9555858pfe.69.2021.09.18.11.45.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Sep 2021 11:45:54 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 32/41] linux-user/openrisc: Adjust signal for EXCP_RANGE, EXCP_FPE Date: Sat, 18 Sep 2021 11:45:18 -0700 Message-Id: <20210918184527.408540-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918184527.408540-1-richard.henderson@linaro.org> References: <20210918184527.408540-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::52c; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52c.google.com 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=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: laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The kernel vectors both of these through unhandled_exception, which results in force_sig(SIGSEGV). This isn't very useful for userland when enabling overflow traps or fpu traps, but c'est la vie. Signed-off-by: Richard Henderson --- linux-user/openrisc/cpu_loop.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/linux-user/openrisc/cpu_loop.c b/linux-user/openrisc/cpu_loop.c index b33fa77718..314e7fba1e 100644 --- a/linux-user/openrisc/cpu_loop.c +++ b/linux-user/openrisc/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUOpenRISCState *env) { @@ -54,13 +55,17 @@ void cpu_loop(CPUOpenRISCState *env) break; case EXCP_DPF: case EXCP_IPF: - case EXCP_RANGE: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_MAPERR; info._sifields._sigfault._addr = env->pc; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; + case EXCP_RANGE: + case EXCP_FPE: + /* ??? The kernel vectors both of these to unhandled_exception. */ + force_sig(TARGET_SIGSEGV); + break; case EXCP_ALIGN: info.si_signo = TARGET_SIGBUS; info.si_errno = 0; @@ -75,13 +80,6 @@ void cpu_loop(CPUOpenRISCState *env) info._sifields._sigfault._addr = env->pc; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; - case EXCP_FPE: - info.si_signo = TARGET_SIGFPE; - info.si_errno = 0; - info.si_code = 0; - info._sifields._sigfault._addr = env->pc; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; case EXCP_INTERRUPT: /* We processed the pending cpu work above. */ break; -- 2.25.1