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Thu, 31 Oct 2024 10:02:50 +0000 Date: Thu, 31 Oct 2024 11:02:46 +0100 From: Cyril Hrubis To: Petr Vorel Message-ID: References: <20241031-generate_syscalls-v6-0-1ad86a33ce2d@suse.com> <20241031095609.GC995052@pevik> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20241031095609.GC995052@pevik> X-Rspamd-Queue-Id: 322C321D1A X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; ASN(0.00)[asn:25478, ipnet:::/0, country:RU]; MISSING_XM_UA(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.cz:dkim,suse.cz:email]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.cz:+] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Virus-Scanned: clamav-milter 1.0.3 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v6 0/3] Automatically generate syscalls.h X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > > The problem we have at the moment is that all syscalls input files must > > be changed by hand each time we need to test a new syscall. The idea is > > to simplify this process, providing a script that is able to read from > > kernel sources and to generate all syscalls files we need. > > > This patch set adds a new command inside the syscalls folder and > > it refactors the previous regen.sh code. > > The new way we have to generate the syscalls.h file is the following: > > > include/lapi/syscalls/generate_arch.sh path/to/kernel/source > > include/lapi/syscalls/generate_syscalls.sh path/to/syscalls.h > > > Scripts are independent and they can be run separately. > > generate_syscalls.sh is the equivalent of regen.sh, but its code has > > been cleaned up. > > it would be nice to have this documented (as a separate effort, not blocking > to merge this). Specially the new generate_arch.sh, which is not part of > ./configure run. We need something as: The generate_arch.sh is supposed to be run when you start writing new test and find out that the syscall number definitions you need are not available in the LTP fallback header include/syscalls.h. You need to point the script to a recent Linux kernel sources and it will pull an update for the LTP syscall number tables. The tables then needs to be updated in a separate git commit. You also need to re-run configure to get the header updated from the tables. To be put into the "how to write a test" documentation. -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp