Re: Getting kernel symbols in kernel module (dynamically)

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Hello Guo,

I'm talking about kernel space. I want to get kernel space symbols when
running a kernel module... Or maybe the linker can link agains the kernel
(so the addresses of the symbols are statically inserted into my module,
also), but that wouldn't be as good as getting the symbols dynamically. 

greets,
Ole

On Wed, 25 Feb 2009 18:20:21 +0800, "Guo Hongruan" <camelguo@xxxxxxxxx>
wrote:
> Too dangrous!!
> 
> In kernel space or userspace? If in userspace, you can only call  
> clock_gettime.
> 
> 在 Wed, 25 Feb 2009 18:08:55 +0800,Ole Loots <ole@xxxxxxxxxxxxx>
写道:
> 
>> Hello,
>>
>> I want to call the kernel function sys_clock_gettime, but when I just  
>> try to call it, the linker complains about the unknown symbol/function  
>> sys_clock_gettime, so i have hard coded a function pointer in my  
>> module...:
>>
>> long (*p_sys_clock_gettime)(clockid_t, struct timespec *tp) =
0xc004373c;
>>
>> That works fine for my system, but I know thats not the way to do it.  
>> How is it done properly?
>>
>> Regards,
>> Ole
>>
>>
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