Date: Tue, 21 Dec 1999 15:26:04 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: David Quattlebaum <David.Quattlebaum@sas.com> Cc: FreeBSD Hackers <freebsd-hackers@FreeBSD.org> Subject: RE: modifying an object file Message-ID: <199912212026.PAA58860@server.baldwin.cx> In-Reply-To: <5FA575D78630D3118B2E0090276DC89F01B59270@merc08.us.sas.com>
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On 21-Dec-99 David Quattlebaum wrote:
> Anyone,
>
> I have an object file: foo.o
>
> In foo.o I have a call to bar().
>
> Now, I want foo.o to actually call yo() instead of bar() and say I don't have
> the source
> for foo.c (so recompiling is out of the question). I want to change the
> object file
> foo.o to call yo() instead of bar().
>
> Has anyone accomplished this without having to dissect the ELF object, change
> it
> and reconstruct the pieces?
void bar(void) {
yo();
}
perhaps?
> Thanks.
--
John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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