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[209.51.188.17]) by mx.google.com with ESMTPS id n192si2982197ybf.436.2021.10.14.21.35.45 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 14 Oct 2021 21:35:45 -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; dkim=fail header.i=@linaro.org header.s=google header.b="C0pn/RJf"; 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"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:45942 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbEwa-0001Nq-Pb for patch@linaro.org; Fri, 15 Oct 2021 00:35:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39116) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbEZ8-0007Sd-8x for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:11:30 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]:44001) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mbEZ1-0000Pf-2r for qemu-devel@nongnu.org; Fri, 15 Oct 2021 00:11:26 -0400 Received: by mail-pl1-x62f.google.com with SMTP id y1so5586572plk.10 for ; Thu, 14 Oct 2021 21:11:22 -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=jv32Frh7rweOdu9XSPHyzH/l4ZHzlE4pw5zka9V4K8I=; b=C0pn/RJfXeJosErKpF0THofxdQkU9lnKZFfdZP0/LmJtrOTLRh2sja8+LvDAnxBE9E 7Q28onp9VrZBy0b0b5/0RuRGBEN0TlqBfawR+vX7twnStRdy9AdA0Yu91tlZdVa+o0LN q2RExSMrS2L9YnLzlR/4nNXBLMgw4Cy88VJ3Uqw96ZtpODPJRidRFEmHJoHUICLmf+f0 egXvyDWA21g+kyjL+FZY018SYymKDJLpN4nU88izN9feal5O2I3FiCRexUezox0gv9rt qg4DTQqMv9r8evGzhZdiZf9lLhh0w/4m3iSsCX/brdNj0uXNLxvPNG1gvHbNf9J8cJDH vTcw== 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=jv32Frh7rweOdu9XSPHyzH/l4ZHzlE4pw5zka9V4K8I=; b=nAvd7QMY/l1Ddx1RzrbS7WxkqZpVtsu2fz7IhE4binpnOs/U0T30FVKpRizfL6DH2t vHbWYTUFVRphLstSskz+6Mo9FxiJ2LCCulrVnVEDjrVztAYm/4unIM3KyZ7k70rQvOE3 vyz/4MYoOgUKD8aeJFYzEGk0u3YbsoyXNNn+jb6GfFp7E9hWACw5YB7yKoBw+Ciob40R bFJYhQl3B9ccv3N7NXfz2y5caqTtACijHucXrFB9+0DQkAP0JoqIEhs7/O27H2uKmtZ/ ewnjqsFDW21DPeooeWqsV2TC+OV0HK4X8dLo0LpUCKBEg4tWTD5GpjLjLmRA19Q/qb3x J0Qw== X-Gm-Message-State: AOAM533H6KwnjmMKq4h60xEt0IhHFjt0Y6CYkzk+ZUDjfznNAkvgW17w 9ISqz4ivg1/wUgUieiTPOG4PLx7Txz6Xig== X-Received: by 2002:a17:90b:34a:: with SMTP id fh10mr25171713pjb.51.1634271081301; Thu, 14 Oct 2021 21:11:21 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id me12sm5718006pjb.27.2021.10.14.21.11.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 21:11:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 32/67] linux-user/openrisc: Adjust signal for EXCP_RANGE, EXCP_FPE Date: Thu, 14 Oct 2021 21:10:18 -0700 Message-Id: <20211015041053.2769193-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211015041053.2769193-1-richard.henderson@linaro.org> References: <20211015041053.2769193-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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: Stafford Horne , alex.bennee@linaro.org, laurent@vivier.eu, imp@bsdimp.com Errors-To: qemu-devel-bounces+patch=linaro.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. Reviewed-by: Stafford Horne Signed-off-by: Richard Henderson --- linux-user/openrisc/cpu_loop.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) -- 2.25.1 diff --git a/linux-user/openrisc/cpu_loop.c b/linux-user/openrisc/cpu_loop.c index f6360db47c..de5417a262 100644 --- a/linux-user/openrisc/cpu_loop.c +++ b/linux-user/openrisc/cpu_loop.c @@ -56,13 +56,17 @@ 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; @@ -77,13 +81,6 @@ 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;