From owner-freebsd-hackers@freebsd.org Wed Jun 19 13:49:44 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3494E15B9499 for ; Wed, 19 Jun 2019 13:49:44 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward101o.mail.yandex.net (forward101o.mail.yandex.net [37.140.190.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 934038DC9F for ; Wed, 19 Jun 2019 13:49:41 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback4j.mail.yandex.net (mxback4j.mail.yandex.net [IPv6:2a02:6b8:0:1619::10d]) by forward101o.mail.yandex.net (Yandex) with ESMTP id 49C393C031A9; Wed, 19 Jun 2019 16:49:38 +0300 (MSK) Received: from smtp4o.mail.yandex.net (smtp4o.mail.yandex.net [2a02:6b8:0:1a2d::28]) by mxback4j.mail.yandex.net (nwsmtp/Yandex) with ESMTP id r66coy1TqL-nc6mepVK; Wed, 19 Jun 2019 16:49:38 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1560952178; bh=pHflWoqaTQBJfiljj1KvjRKoGEkrA6hlObdKeIJHU94=; h=In-Reply-To:From:Date:References:To:Subject:Message-ID; b=M1OTD22XTs0djWOzv00T3Dtees7yLfratYVzL3NcwkVLHbCGU7tRNeGtLk63udWDD ID96GOTMW6EbKQrR4lLB/9KcZYJQZd1d45zXmOnGSnopklgMt0vSf5eAKMMHinGw1W QgExfnp52sXwJV3Y8Ow2yMU2/XjtBFIMtE6ab9WU= Received: by smtp4o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id eedpiZXMx3-nbwaOIP0; Wed, 19 Jun 2019 16:49:37 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: FreeBSD kernel system call To: Alexandru Goia , freebsd-hackers@freebsd.org References: From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= mQENBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAG0JUFuZHJleSBWLiBFbHN1a292IDxidTdjaGVyQHlhbmRleC5ydT6JATgEEwECACIFAkwB F1kCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEAHF6gQQyKF6qmYIAI6ekfm1VA4T vqankI1ISE6ku4jV7UlpIQlEbE7/8n3Zd6teJ+pGOQhN5qk8QE7utdPdbktAzi+x7LIJVzUw 4TywZLXGrkP7VKYkfg6oyCGyzITghefQeJtr2TN4hYCkzPWpylkue8MtmqfZv/6royqwTbN+ +E09FQNvTgRUYJYTeQ1qOsxNRycwvw3dr2rOfuxShbzaHBB1pBIjGrMg8fC5pd65ACH5zuFV A0CoTNGMDrEZSfBkTW604UUHFFXeCoC3dwDZRKOWJ3GmMXns65Ai5YkA63BSHEE1Qle3VBhd cG1w0CB5FBV3pB27UVnf0jEbysrDqW4qN7XMRFSWNAy5AQ0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAYkBHwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: <5432302a-9b55-d9b2-6001-539dbc02300d@yandex.ru> Date: Wed, 19 Jun 2019 16:47:27 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="kx6RvZhHQnm6v5PAgLy7J4e2AkLYkDPkS" X-Rspamd-Queue-Id: 934038DC9F X-Spamd-Bar: -------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=M1OTD22X; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 37.140.190.181 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-8.90 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[yandex.ru]; R_SPF_ALLOW(-0.20)[+ip4:37.140.128.0/18]; HAS_ATTACHMENT(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yandex.ru:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; MX_GOOD(-0.01)[cached: mx.yandex.ru]; SIGNED_PGP(-2.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:+]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; ASN(0.00)[asn:13238, ipnet:37.140.128.0/18, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[181.190.140.37.list.dnswl.org : 127.0.5.1]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-0.996,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; DWL_DNSWL_LOW(-1.00)[yandex.ru.dwl.dnswl.org : 127.0.5.1]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-1.70)[ipnet: 37.140.128.0/18(-4.74), asn: 13238(-3.76), country: RU(0.01)] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jun 2019 13:49:44 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --kx6RvZhHQnm6v5PAgLy7J4e2AkLYkDPkS Content-Type: multipart/mixed; boundary="SruJ1dp2x9OWApVrYab68pUnuJBhDUGuM"; protected-headers="v1" From: "Andrey V. Elsukov" To: Alexandru Goia , freebsd-hackers@freebsd.org Message-ID: <5432302a-9b55-d9b2-6001-539dbc02300d@yandex.ru> Subject: Re: FreeBSD kernel system call References: In-Reply-To: --SruJ1dp2x9OWApVrYab68pUnuJBhDUGuM Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 19.06.2019 16:23, Alexandru Goia wrote: > Greetings ! >=20 > I am trying to write the code to a Unix system call, on the > FreeBSD 12.0 system. I managed to do that on Linux : >=20 > http://romania-acknowledges-stars.blogspot.com/2018/10/angel-call-in-ke= rnel.html >=20 > but I find hard, without proper documentation, to implement it > on FreeBSD. >=20 > I am in trouble understanding the presence of SYSCALL_MODULE(9), and > its meaning and usage. Using SYSCALL_MODULE() you can create kernel module with new syscall, then load this module in run-time and use this syscall in your application. You can find examples for both kernel module and test program in referred by manual page location. --=20 WBR, Andrey V. Elsukov --SruJ1dp2x9OWApVrYab68pUnuJBhDUGuM-- --kx6RvZhHQnm6v5PAgLy7J4e2AkLYkDPkS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAl0KPO8ACgkQAcXqBBDI oXqORgf/cpDQfh8G92MGMzufZWPKnu2BDXc1lJJCLajRWlR63nQHPcxNIGbqgWcM tU0RHYdQnzulyKhuRtR0QhQHnoUdi5QsDgDEIIRVK28SOVfV7UvVMsITIae3BhO9 cDAv2/I+rNSFRrROEodEwCBlEPtZdIOMcpJzjrmC7dAOrysSAjQt4/1/zI4yNSTz sKonRiOgs4QdpeOS1hQjyhnx40rYDAyQS8qqNoA+bt/6iZ29OKU4+EcHcqcs+ZLQ CUR81RLnE2QlXjHq91NLV80XaJtD1gU02BzP4ncsOVpsDb5/4uabRWc2gx88V07O HyYvywX0qmMY48KcwtlzLvXe9Hr0oA== =k+5x -----END PGP SIGNATURE----- --kx6RvZhHQnm6v5PAgLy7J4e2AkLYkDPkS--