From owner-freebsd-bugs  Wed Sep 30 07:37:32 1998
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Date: Wed, 30 Sep 1998 07:37:12 -0700 (PDT)
From: Jin Guojun (FTG staff) <jin@george.lbl.gov>
Message-Id: <199809301437.HAA03587@george.lbl.gov>
To: bugs@FreeBSD.ORG, eivind@yes.no, jin@eubie.lbl.gov
Subject: Re: what is changed in 3.0 for "ld" making lkm module
Sender: owner-freebsd-bugs@FreeBSD.ORG
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} > This is the command to make lkm module before 3.0-BETA
} > 
} >       ld -r -o /lkm/znatmdrv.o zatm_mod.o lib/znatm.Dro
} > 
} > # file /lkm/znatmdrv.o
} > /lkm/znatmdrv.o:    FreeBSD/i386 object not stripped
} > 
} > under 3.0-BETA
} > 
} > # file /lkm/null_mod.o        # looks the same
} > /lkm/null_mod.o: FreeBSD/i386 object not stripped
} > 
} > but
} > 
} > # file /lkm/znatmdrv.o
} > /lkm/znatmdrv.o: ELF 32-bit LSB relocatable, Intel 80386, version 1 (FreeBSD),
}  not stripped
} > # modload -ezatm_mod /lkm/znatmdrv.o
} > /usr/libexec/aout/ld: /lkm/znatmdrv.o: malformed input file (not rel or archiv
} e) modload: /usr/bin/ld: return code 1
} > 
} > Would someone please tell me what has been changed in "ld" command
} > to make LKM module?
} 
} It need an -aout switch at the very least.

It looks the "cc" also needs a "-aout" switch for compiling, because
"ld -r -aout" will complain the objects that compiled without "-aout"
*.o: malformed input file (not rel or archive)

Do you happen to know what is -aout directive doing? It was not used
in FreeBSD before.

} I think you'd find it convenient to use bsd.kmod.mk to create LKMs -
} it abstract the actions for building the LKM, thus avoiding such
} distruption.  Look the the cvs log for it for exact details of what
} has changed WRT building LKMs.

Do you know if there is any example for using bsd.kmod.mk to build LKMs?

Thanks,

	-Jin


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