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[67.174.166.185]) by smtp.gmail.com with ESMTPSA id y15sm3557250qko.78.2021.10.01.10.12.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Oct 2021 10:12:20 -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=Aew/8u6YB1iOZFN9N26/Kz5Qxnb6h66J9LkqbKIXer9tEZW+3Q01jRo5cXWzwKyMfQ 3Lf93TBnKIdNWC0wRE2m/yimQvIHzW1b4Z1dwBu5ufPHeNkuqu0zwwAGNVrtiHOm4RFO BBXaW5hcC6ZAL5tYKg7QrTJHzTXlrcTHEt8pM6sgpomtlPQ4qqocotVzoUg5rzKr+xhY OUIzsIcPVxv82juVuzpDm3uEGQzhZapKcJ5wbhyHthYxo22z33TLe5prSoix2YtGhV58 ZfRXbUG8UnaGVQOnunMBYicOD/er8mw1wEWE7OedRumxVomIczYs8xN5reksKeuh+QuF CIFQ== 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=ZY6oSXgQxHY+hJOMAX25q2wET7NU2ELp6rg7/52Md8+q1huhsKwSvr5uf9iaOwkOj+ XbsstFZaKLy41HmER5fMT4cTgqzIEcrgBVea1TK3gWHbrprLIMVtBw2BTu74iwpvkbE3 UsFnmOPJ561iwx3/gJA8lm2VRoqOCKGffickGYhrA7hyqlmg/MsyJZnbjtoTsggAcsgF wfRKqTQHvcvpIryX6Jwb5NDYpXDm7fhF3eEoBs/x6euzxFStlTsRZp8lGEzRg+Ns2ajF zAXqjDJHF8iSwM08dIqmLaP5KMWkkXMHkTrGN7msz3dyHjzLWCEJRDaWRn7i0wq6tia9 vupQ== X-Gm-Message-State: AOAM533kgcozzgsDdvFtUUrFQgFcrssLLOSlFjhYikWHrJgQp0mUxExP WZgiFzVgFjqPmQ4n+y5aQjM+KSlkOG6ymQ== X-Google-Smtp-Source: ABdhPJzyWKY2LfvmqiOqyVMaSgPHdMqpVwOpBaOqEvzriY/ZXypnB7p1bjB53mTuKQ3Gwwnh1hSpYg== X-Received: by 2002:a05:6214:5b1:: with SMTP id by17mr8179346qvb.18.1633108341355; Fri, 01 Oct 2021 10:12:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 32/41] linux-user/openrisc: Adjust signal for EXCP_RANGE, EXCP_FPE Date: Fri, 1 Oct 2021 13:11:42 -0400 Message-Id: <20211001171151.1739472-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211001171151.1739472-1-richard.henderson@linaro.org> References: <20211001171151.1739472-1-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::f2c; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2c.google.com X-Spam_score_int: -1 X-Spam_score: -0.2 X-Spam_bar: / X-Spam_report: (-0.2 / 5.0 requ) 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: 1633109697255100001 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 --- 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