Is there anyway to make the function get parmters from registers not stack during more than 4 parameters on arm port?
Richard Earnshaw (lists)
Mon Mar 2 10:39:00 GMT 2020
On 01/03/2020 10:31, tugouxp wrote:
> HI guys:
> i have a function with prototype more than 4 parameters which invoke form syscall.
> int foobar(int a, int b, int c, int d, int e, int f)
> on arm port, a,b, c, d could get from r0-r3 according arm AACPS ABI,
> but e, and f would get from stack.
> but how to deal with if i want all of th 6 paramters get from registers not stack?
> thank you!
Sorry, no that can't be done. At least, not without developing a new ABI.
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