Date: Fri, 6 Aug 2010 09:29:31 +0200 (CEST) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-stable@FreeBSD.ORG, doconnor@gsoft.com.au Subject: Re: Kernel symbol file alternate location Message-ID: <201008060729.o767TVFZ023996@lurza.secnetix.de> In-Reply-To: <50BEF58B-A155-4C46-B512-C94E0FD95D3E@gsoft.com.au>
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Daniel O'Connor wrote: > On 06/08/2010, at 2:38, Oliver Fromme wrote: > > > I think this is the main reason / has had to grow - the actual kernel > > > is relatively small so even a 256Mb / could hold several, but with > > > the symbol files it is not possible. > > > > I think a very simple solution would be to install the symbol > > files elsewhere (probably configurable via make.conf), and > > install symlinks in the kernel directory. If you do this, > > tools using the symbol files won't have to be changed. > > > > This would probably be a fairly trivial change to the install- > > kernel target, I guess. I don't have patches, though. > > Yeah, I don't think it's hard to move them, however I'm worried what > it will break :) > > The only thing I can see that would have to change would be kgdb so > it tells gdb where to find the symbols. That's why I suggested to place symlinks in the kernel directory. No change to kgdb necessary. It might even be possible to not install the symbol files at all, but keep them under /usr/obj, so the installkernel target would have to do nothing more than create symlinks. This could be controlled by a make.conf variable, like SYMLINK_SYMBOLS=YES ("NO" would be the existing behaviour of installing the actual symbol files in /boot/kernel). Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "UNIX was not designed to stop you from doing stupid things, because that would also stop you from doing clever things." -- Doug Gwyn
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