Re: [arm-gnu] passing variables to main()

[Charles Manning <manningc2@xxxxxxxxxxxxx>]

On Thursday 05 November 2009 08:34:47 JJ wrote:
> Hi,
>
> I need to pass values to main() when I invoke it from my _start
> assembly function. I can set the values I want to pass to main in the
> registers r1, r2, r3 etc. But I cannot create a main() with that takes
> custom parameters:
>
> The compiler does not like:
> int main(unsigned long long val1, unsigned long long val2, ...)
>
> It requires the default main that takes argv, argc:
> int main(int argc, char *argv)
>
> Any suggestions on a better way to pass the values in?

Don't use main() :-)

I use something like MyMain(...) which I can set up to be anything I want.

If the code is portable (ie might also get built as a Linux or PC application) 
then I will set up a main() that then calls MyMain()