Getting address of a symbol from kernel's symbol table.
arif@khost:~/src/linux$ global -x ip_rcv_finish ip_rcv_finish 319 net/ipv4/ip_input.c static int ip_rcv_finish(struct sk_buff *skb) Now if i want to use this function i need to initialize a pointer to this function. To be able to do that i need the address of the function. I've seen that from user space i can read /proc/kallsyms to get an address of a symbol. Is their any similar mechanism exist where i can read the symbol table to extract a symbol's address from kernel space?
Hi... On Sun, Dec 2, 2012 at 5:43 PM, arif <aftnix@gmail.com> wrote:
To be able to do that i need the address of the function.
I've seen that from user space i can read /proc/kallsyms to get an address of a symbol. Is their any similar mechanism exist where i can read the symbol table to extract a symbol's address from kernel space?
check http://lxr.linux.no/#linux+v3.6.8/include/linux/kallsyms.h I have a good guess, what you need is kallsyms_on_each_symbol() -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com
On 12/02/2012 09:49 PM, Mulyadi Santosa wrote:
Hi...
On Sun, Dec 2, 2012 at 5:43 PM, arif <aftnix@gmail.com> wrote:
To be able to do that i need the address of the function.
I've seen that from user space i can read /proc/kallsyms to get an address of a symbol. Is their any similar mechanism exist where i can read the symbol table to extract a symbol's address from kernel space?
check http://lxr.linux.no/#linux+v3.6.8/include/linux/kallsyms.h
I have a good guess, what you need is kallsyms_on_each_symbol()
Thanks for the pointer. I'm testing what can be done. -- Cheers arif
On Mon, Dec 3, 2012 at 7:50 PM, Arif Hossain <aftnix@gmail.com> wrote:
Thanks for the pointer. I'm testing what can be done.
you welcome.... you can share back what you have found in the kernelnewbies :) -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com
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Arif Hossain
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Mulyadi Santosa