unable to find function definition

nizam haider nizamhaider786 at gmail.com
Tue Apr 26 23:10:53 EDT 2016


Thank you all for replies.
sure these are helping a lot.

On Wed 27 Apr, 2016 8:35 am Jay Aurabind, <jay.aurabind at gmail.com> wrote:

> On 27 April 2016 at 07:05, John de la Garza <john at jjdev.com> wrote:
> > On Tue, Apr 26, 2016 at 02:00:02PM +0530, Jay Aurabind wrote:
> >> On 20 April 2016 at 12:56, Cihangir Akturk <cakturk at gmail.com> wrote:
> >> > On Wed, Apr 20, 2016 at 06:17:38AM +0000, Nijam Haider wrote:
> >> >> i was going through the code leds-gpio.c.
> >> >> i found a function "platform_gpio_blink_set" declared under private
> data of
> >> >> "gpio_led_data",and was trying to get through this function. But
> hardly i can
> >> >> find any link to definition for the same anywhere.
> >> >
> >> > Hi,
> >> >
> >> > That is a function pointer, so you should search assignments to
> >> > that pointer. That way you can find the real function you are
> >> > looking for.
> >>
> >> I've spotted such usages in a lot of places, outside the kernel as
> >> well. Just wanted know if there is a smarted way of finding the
> >> assignments, like some tools or any other tips which people could use
> >> to make life easier ?
> >
> > I've been able to print the address of the functions (once it has
> > been assigned), then check the System.map for the function name.
>
> Thank you all for the smart answers!
>
> --
>
> Thanks and Regards,
> Aurabindo J
>
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