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Date: Sun, 23 Dec 2001 10:53:03 -0000
From: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>
Reply-To: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>
To: Keith Owens <kaos@ocs.com.au>, linux-kernel@vger.kernel.org
Cc: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>
Subject: Re: How to fix false positives on references to discarded
 text/data?
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--On Sunday, 23 December, 2001 8:17 PM +1100 Keith Owens <kaos@ocs.com.au> 
wrote:

> (5) Post process the objects before ld sees them, remove the dangling
>     references in safe sections.
>
>     Will probably mess up timestamps on objects, as well as requiring
>     yet another program for kernel build.  Cross compiling would be
>     "interesting".
>

1+5) (seeing as you seem to have already written some perl); would it
     be possible to run our own perl code to check for whichever dangling
     references we are concerned about (and not those we aren't), then do

> (1) Drop the ld check for discarded sections.
>
>     I don't want to lose the ld check, it has already found several
>     bits of buggy code.  For example, usb_uhci.c calls the exit routine
>     from the init code on error, but the exit code has been discarded
>     in vmlinux - oops.  New binutils flagged that bug and others.

This would seem to have the advantage of better readability of errors
too.

--
Alex Bligh
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