[U-Boot-Users] [PATCH] Add call command on PPC

[Kumar Gala]

On Feb 15, 2008, at 1:21 AM, Haavard Skinnemoen wrote:

> On Fri, 15 Feb 2008 02:08:23 -0500
> Mike Frysinger <vapier at gentoo.org> wrote:
>
>>> if someone can tell me what the number of args are for each arch we
>>> can see about providing this everywhere.
>>
>> are you sure you actually need to worry about such things ?  i'm  
>> pretty sure
>> any relevant architecture says that the first X arguments go via  
>> registers
>> and the rest go on the stack.  let the compiler worry about the  
>> exact value
>> for X.
>
> I guess the real question is whether it's acceptable to pass arguments
> on the stack to such subprograms. If the answer is yes, why not simply
> use varargs?

for my purposes the answer is no.
>
> If the answer is no: avr32 can pass up to 5 arguments through  
> registers.

thanks

- k