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[98.147.55.211]) by smtp.gmail.com with ESMTPSA id k15-20020a170902ba8f00b001dc91b4081dsm9033935pls.271.2024.03.04.14.51.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Mar 2024 14:51:58 -0800 (PST) Message-ID: Date: Mon, 4 Mar 2024 12:51:55 -1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] tests/tcg: Add multiarch test for Xfer:siginfo:read stub Content-Language: en-US To: Gustavo Romero , qemu-devel@nongnu.org, alex.bennee@linaro.org Cc: peter.maydell@linaro.org References: <20240303192610.498490-1-gustavo.romero@linaro.org> <20240303192610.498490-2-gustavo.romero@linaro.org> From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 3/4/24 10:59, Gustavo Romero wrote: >> Perhaps just abort for SIGABRT instead? > > Although this can make a simpler test, the test can't control > the si_addr value easily, which I think is interesting to be tested. > > Why do you prefer SIGABRT? I missed that you were testing si_addr -- in which case SIGSEGV is a good match. >> A test using setitimer to raise SIGALRM would test the async path. > > SIGLARM doesn't generate any interesting siginfo? It should at minimum have si_sig = SIGALRM. > > gromero@arm64:~$ gdb -q ./sigalrm > Reading symbols from ./sigalrm... > (gdb) run > Starting program: /home/gromero/sigalrm > > Program terminated with signal SIGALRM, Alarm clock. > The program no longer exists. > (gdb) p $_siginfo > $1 = void Well that's because the program died. Do you need to have gdb handle the signal? r~