Do you see shm.o in ipc directory after compiling the kernel?
Regards
Mohanlal
----- Original Message -----
From: "Saifuddin" <saif@odysseytec.com>
To: <kernelnewbies@nl.linux.org>
Sent: Monday, April 26, 2004 12:52 PM
Subject: how to export a symbol from kernel to be accessible in module.
>
> Hello everyone,
>
> Linux kernel version 2.4.24
>
> ipc/shm.c
>
> static struct ipc_ids shm_ids;
>
> I want to access this variable in other kernel modules.
> for this a macro is defined in ipc/shm.c
>
> #define shm_get(id) ((struct shmid_kernel *)ipc_get(&shm_ids,id));
>
>
> for this I have written a function in ipc/shm.c as below: -
>
> void *sys_getshmhandler(int id){
> return (void *)shm_get(id);
> }
>
> EXPORT_SYMBOL(sys_getshmhandler);
>
> ipc/Makefile
>
> export-objs := shm.o.
>
> The kernel compiles successfully, but when I boot the fresh kernel, I do
not get the exported symbol in /proc/ksysm.
>
> What am I missing?
> Can anybody figure out?
>
> Thanks in advance.
>
> --
> Regards,
> Saifuddin,
> saif@odysseytec.com.
> saifuddin_it@yahoo.co.in.
>
> --
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>
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