Hi, Try in the complie option with the following path -I /usr/src/linux-2.4.22/include Rgds Anand > -----Original Message----- > From: kernelnewbies-bounce@nl.linux.org > [mailto:kernelnewbies-bounce@nl.linux.org]On Behalf Of Karthik M > Sent: Wednesday, May 05, 2004 10:26 PM > To: kernelnewbies@nl.linux.org > Subject: Unresolved symbol during insmod > > > Hi everyone, > > this has been discussed many times on the list, and i > went through most of them and could'nt find an answer > to my problem. > > I am trying to call 2 system call functions from my > modules program. The system calls are sys_mount and > sys_rename. > > I have exported both these function using > EXPORT_SYMBOL() and both of these symbols appear both > in System.map as well as /proc/ksyms. I am > implementing the module on a 2.4.22 kernel. > > > ----snip----- > # grep sys_mount /boot/System.map-2.4.22 > c015ed10 T sys_mount > c03426f7 R __kstrtab_sys_mount > c034fd30 R __ksymtab_sys_mount > # grep sys_rename /boot/System.map-2.4.22 > c01518b0 T sys_rename > c03426c2 R __kstrtab_sys_rename > c034fd20 R __ksymtab_sys_rename > # > # cat /proc/ksyms | grep sys_mount > c015ed10 sys_mount_R__ver_sys_mount > # cat /proc/ksyms | grep sys_rename > c01518b0 sys_rename_R__ver_sys_rename > # > ----snap----- > > When i try to insert the module, i get the following > error message: > > > ----snip----- > # insmod mod.o > mod.o: unresolved symbol sys_rename > mod.o: unresolved symbol sys_mount > mod.o: > Hint: You are trying to load a module without a GPL > compatible license > and it has unresolved symbols. Contact the > module supplier for > assistance, only they can help you. > > # > ----snap----- > > > The nm output of the module shows that the symbols are > undefined. > > ----snip---- > # nm mod.o > ... > ... > U sys_mount > U sys_rename > # > ----snap---- > > The command that i used to compile the module was: > > ---snip--- > gcc -Wall -DMODULE -D__KERNEL__ -DLINUX -c mod.c > -I/lib/modules/`uname -r`/build/include/ > ---snap--- > > I am not able to get this module working due to this > error. I am not able to understand why the symbols are > still undefined ?? do i need to add it to any special > header files ?? any suggestions would be really > helpful > > > Karthik > > > > > __________________________________ > Do you Yahoo!? > Win a $20,000 Career Makeover at Yahoo! HotJobs > http://hotjobs.sweepstakes.yahoo.com/careermakeover > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
