Date: Tue, 27 May 2003 08:52:09 +0200 From: Stijn Hoop <stijn@win.tue.nl> To: Anurag Chaudhary <chaudharyanurag@hotmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: undefined symbols in kld Message-ID: <20030527065208.GA5269@pcwin002.win.tue.nl> In-Reply-To: <Law9-F92fPefLJGWSa10004f3eb@hotmail.com> References: <Law9-F92fPefLJGWSa10004f3eb@hotmail.com>
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--nFreZHaLTZJo0R7j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 27, 2003 at 12:13:01PM +0530, Anurag Chaudhary wrote: > I hav made a kld. but it is not loading saying no such file or directory. > I traced down the problem and found that symbols usleep, memset, memcpy= =20 > etc. which are part of libc and also declared in /usr/src/include directo= ry. > someone please tell me how to link in these functions. urgent help is=20 > required Well you can't just use libc functions in kernel space -- this is a basic premise of kernel programming. Some of the standard libc functions are 'emulated' as you will in the kernel internal static library, sources of which are found in /usr/src/sys/libkern. Might I suggest you read up on kernel programming a bit, for example by reading Kirk McKusick's 4.4BSD Internals book? --Stijn --=20 Remember, kids: "Q" is always followed by "U". You can learn more on the Internet in the Spelling FAQU. -- James "Kibo" Parry --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE+0wsYY3r/tLQmfWcRAsgDAKCZ5xNVUxankrE7iPfa2PYZ/1LtkACeLWzD 0vHqaX71sgyOZk0SHuqlYsk= =U6d9 -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j--
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