Date: Wed, 29 Mar 2006 11:01:23 -0800 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: stanley jobson <stanley.jobson@gmx.ch> Cc: current@freebsd.org Subject: Re: KLD technical docs Message-ID: <20060329190123.GQ7001@funkthat.com> In-Reply-To: <20060329100346.95aa1e6a.stanley.jobson@gmx.ch> References: <24143.1143531014@www098.gmx.net> <9531.1143531289@www098.gmx.net> <20060329061135.GP7001@funkthat.com> <20060329100346.95aa1e6a.stanley.jobson@gmx.ch>
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stanley jobson wrote this message on Wed, Mar 29, 2006 at 10:03 +0200: > > > for my master thesis i am looking for technical docs about > > > dynamic linking esp. about the kernel dynamic linker facility. > > > > > > i found some good docs about dynamic linking in general but > > > nothing about KLD/LKM. > > > > > > are there any technical docs on KLD? I read the short chapter > > > in the arch handbook but thats not much info. > > > > > > i am interested in docs answering the following questions: > > > - how does the dynamic loading and linking work for KLDs/LKMs? > > > - does this anything has to do with libbfd, libdl or rtld? > > > - how are dependencies handled? > > > > > > technical info to LKM and dynamic linking facility of the other > > > BSDs would be also interesting :) > > > > The best technical doc is src/sys/kern/kern_linker.c... :) That > > handles all the magic of SYSINIT's, sysctl's and the other magic of > > kernel modules... > > sure ;-) ... but kinda low level ... so am i right that there is no > higher level doc available ? Besides docs on how to write kld drivers, not really... A couple links I found on writing kld's: http://ezine.daemonnews.org/200010/blueprints.html http://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/driverbasics-kld.html -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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