From nobody Tue Feb 10 11:34:27 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16335427045042.832811960216304; Wed, 6 Oct 2021 10:51:44 -0700 (PDT) Received: from localhost ([::1]:46166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mYB4w-0008Ax-1N for importer@patchew.org; Wed, 06 Oct 2021 13:51:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48696) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mYAdm-0007Ur-5B for qemu-devel@nongnu.org; Wed, 06 Oct 2021 13:23:38 -0400 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]:42784) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mYAdk-0008Hr-Hj for qemu-devel@nongnu.org; Wed, 06 Oct 2021 13:23:37 -0400 Received: by mail-pg1-x532.google.com with SMTP id 66so3069843pgc.9 for ; Wed, 06 Oct 2021 10:23:36 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id w7sm21606929pfj.189.2021.10.06.10.23.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 10:23:34 -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=cVCx2jHCPvPujkZ/wrXYdO47hYaVZq7kiqP/WMFmGDE=; b=W7tcHNyrdfnN9SsetmWZx+/z6bPsCiJL79kF4uQ494VMkAcKt5k39GeN2jEONUOn5w Z2FHR264L5HtDofC5fs8Q3M6OkXBEdZKrrQJECrvyRVdE0vroZToFG83V607KoSAL9Er a4TcUmbKAMZ1KPNhiZOdM0h3u5/pHErdb68viiHwW9DM0w7fH8OLwL5L3Bc2ZugpKfeo LoA2jZLcenuBb7HyfukAJTmmqNxkGXxCZhvnKCzv0NHWhwluIy4FmbgTdNBtPoobTQK1 /kjc+LsCaH3BPxsG8l+c5rRblHWqhsHoupzGoRd08DI2pUH47xWxagQH/d1FTqFxO4GP PXYQ== 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=cVCx2jHCPvPujkZ/wrXYdO47hYaVZq7kiqP/WMFmGDE=; b=y8+bz3d4TQ8SrsS6k8Kp8YeVQSa9wsv7eOniSPfP+NFbgZa9FVfGRtAGSmkHyjGXr3 nIbsLXjtJUyntqkyJGLCuZkGJq2gf8nK6eXTb0kh3xXF5pCRYL6nwkIoR9khAGnesUuj Q9xrwQAbX0dWEY8tNVv416zR2TWWYBWOVwHdxw52vNcKZhidB/72D0/07nSYXPXR2+vS J+2HifRXpOZ3iObK+m0dyF985YHOych3cWRIa0hBrNdiYE9zCQdve2tzSaz+6awhVKqs MrASnX/1LjOhKnogzM2clw2220T59e4DxnyiGuqinnvuNA7zAdUaXZQQxJtvYPHoDPl5 x3fA== X-Gm-Message-State: AOAM533fwbRkXk6V7WuIL96I/+NjxEQUH3WdN/QJ+3Yk8OswK08zvlBr sqTsL3ekyWgVIoPreSNlLxQsKLtcFsyjOw== X-Google-Smtp-Source: ABdhPJwZqFNRdHejDhRf4+aMvIxcNUHYgzHn0e3V9wHRThSyJSNzY38QwgAZwvVqSdAdIiaT3zahHQ== X-Received: by 2002:a63:1e60:: with SMTP id p32mr21306643pgm.234.1633541015088; Wed, 06 Oct 2021 10:23:35 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 32/41] linux-user/openrisc: Adjust signal for EXCP_RANGE, EXCP_FPE Date: Wed, 6 Oct 2021 10:22:58 -0700 Message-Id: <20211006172307.780893-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211006172307.780893-1-richard.henderson@linaro.org> References: <20211006172307.780893-1-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::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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 Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1633542705149100001 Content-Type: text/plain; charset="utf-8" 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. Cc: Stafford Horne Signed-off-by: Richard Henderson Reviewed-by: Stafford Horne --- linux-user/openrisc/cpu_loop.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) 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 =3D TARGET_SIGSEGV; info.si_errno =3D 0; info.si_code =3D TARGET_SEGV_MAPERR; info._sifields._sigfault._addr =3D 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 =3D TARGET_SIGBUS; info.si_errno =3D 0; @@ -77,13 +81,6 @@ void cpu_loop(CPUOpenRISCState *env) info._sifields._sigfault._addr =3D env->pc; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; - case EXCP_FPE: - info.si_signo =3D TARGET_SIGFPE; - info.si_errno =3D 0; - info.si_code =3D 0; - info._sifields._sigfault._addr =3D env->pc; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; case EXCP_INTERRUPT: /* We processed the pending cpu work above. */ break; --=20 2.25.1