Messages in this thread | | | Date | Tue, 19 Mar 2002 22:19:30 -0800 | From | Jason Li <> | Subject | Re: EXPORT_SYMBOL doesn't work |
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Tom Rini wrote: > > On Mon, Mar 18, 2002 at 11:43:20AM -0800, Jason Li wrote: > > Tom Rini wrote: > > > > > > On Mon, Mar 18, 2002 at 11:11:46AM -0800, Jason Li wrote: > > > > Keith Owens wrote: > > > > > > > > > > On Sun, 17 Mar 2002 22:25:16 -0800, > > > > > Jason Li <jli@extremenetworks.com> wrote: > > > > > >int (*fdbIoSwitchHook)( > > > > > > unsigned long arg0, > > > > > > unsigned long arg1, > > > > > > unsigned long arg2)=NULL; > > > > > >EXPORT_SYMBOL(fdbIoSwitchHook); > > > > > >gcc -D__KERNEL__ -I/home/jli/cvs2/exos/linux/include -Wall > > > > > >-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer > > > > > >-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 > > > > > >-march=i686 -c -o br_ioctl.o br_ioctl.c > > > > > >br_ioctl.c:26: warning: type defaults to `int' in declaration of > > > > > >`EXPORT_SYMBOL' > > > > > > > > > > #include <linux/module.h> > > > > > > > > > > Also add br_ioctl.o to export-objs in Makefile. > > > > > > > > Thanks alot. It works. > > > > > > > > Now another problem with versioning. It seems even after I have the > > > > following in my module c file the symbol generated is not versioned: > > > > > > Backup your .config, run 'distclean' or 'mrproper' and try again. > > > > > > -- > > > Tom Rini (TR1265) > > > http://gate.crashing.org/~trini/ > > > > Just did a distclean. Now the inluce/linux/modules/netsym.ver has the > > fdbIoSwitchHook version info. > > > > Recompiled the module. Did a nm on the module, and saw the version info > > for the symbol. But when I dod insmod, it still complained about > > unresolved symbol fdbIoSwitchHook. > > > > It seems now the version is different between the kernel and the module. > > Should I wait for the bzImage compilation to complete and install the > > new kernel? > > There are annoying depenancies with modversions. Basically the safe way > is that if you change any export (add/remove), you should do a > 'distclean', recompile everything and switch to that. > > -- > Tom Rini (TR1265) > http://gate.crashing.org/~trini/
In case I haven't concluded this thread yet, all the info worked for me.
After the distclean everything is in place and it works nicely now.
Will try more when I get a little bit more time.
Huge thanks to Tom and Keith for their input.
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