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bh=x8Z3Gm4sWvglPvdNuDjGL5hR4bfdQQKbvGc2ng94mUo=; h=Subject:From:To:Message-ID:Date:MIME-Version; b=SKCmjsm5lcLuc74sqEpuaqllZgL+PMmG68tn9wyZIw4nG79w0AoFU0A8pQsfiWAF7lNfVRYMYLTFDUZb4FiVSteFYBguX/bxtg0omczna19wT8iLc6knDKWuvpEvqh++ogW9B7MabMBuJdkkb92rnjEhG2A1VmgqQj3WVxOjsUo= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 90A873858CD9 Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8Bxnr+CnvhojjwZAA--.52805S3; Wed, 22 Oct 2025 17:06:10 +0800 (CST) Received: from [10.130.10.66] (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowJCxdOR9nvhoGnL_AA--.38048S3; Wed, 22 Oct 2025 17:06:05 +0800 (CST) Subject: Re: [PATCH] fix: support LoongArch64 in my-syscalls.S to resolve step-over-thread-exit-while-stop-all-threads.exp build failure From: Tiezhu Yang To: Coder_Y , gdb-patches@sourceware.org References: Message-ID: <65c71082-d906-4a11-2f6c-45b15e9151df@loongson.cn> Date: Wed, 22 Oct 2025 17:06:04 +0800 User-Agent: Mozilla/5.0 (X11; Linux loongarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-CM-TRANSID: qMiowJCxdOR9nvhoGnL_AA--.38048S3 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj93XoW7AFy3XryrJFyUtFW3Jw17XFc_yoW8Gry5pF 1qva1qyFZ5XFy0ywn7K3yjv348AFZIqF90qry3tr1Ykws0krWSvFWftay8AasrX34SgrW0 vrW8t345uFyDZFXCm3ZEXasCq-sJn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUvjb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r106r15M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27wAqx4 xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v2 6r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwCYjI0SjxkI62AI1cAE67 vIY487MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAF wI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUXVWUAwCIc4 0Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AK xVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr 1lIxAIcVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjxU25EfUUUU U X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 2025/10/22 下午4:48, Tiezhu Yang wrote: > On 2025/10/22 上午3:30, Coder_Y wrote: >> This patch adds syscall wrappers for LoongArch64 to >> gdb/testsuite/lib/my-syscalls.S. > > It is better to change the patch title to: > gdb/testsuite: Add LoongArch case in my-syscalls.S > >> - Implements the missing `__loongarch64` section >> - Uses `lu12i.w` + `ori` to load the syscall number into `$a7` > > Why not using the instruction "li.w" directly? > >> - Triggers system calls via `syscall 0` >> - Returns to caller using `jr $ra` > > You can use the instruction "ret" to make it more readable. > please see opcodes/loongarch-opc.c file to get more info. > >> This change fixes build failures in LoongArch64 when running: >>    gdb.threads/step-over-thread-exit-while-stop-all-threads.exp >> >> Tested on: loongarch64-unknown-linux-gnu >> Result: expected testcases passed > > Did you meet any real problems when debugging? > If yes, please describe it in the commit message. > >> Signed-off-by: Nick Young > > Please use your real name here and make it consistent with 'From' > instead of abbreviation. Forgot to say, it should use your company email if you are an employee of Loongson company (we have signed the FSF copyright assignment), then I can push the updated patch for you. Thanks, Tiezhu