How much Stack size needed

Im using uVision3 3.60 with LPC2366. How can I get the maximum stack usage?

I tried like this (see below) but the result is: Maximum Stack Usage = 0 bytes + Unknown(Cycles, Untraceable Function Pointers)

to find out how much stack you need, you can compile with all options selected on the linker listing section in the listing tab, then it produces an HTML file listing the functions and there callers / callees and required stack size ( static call graph ), this lists the maximum stack size that it can determine.

thanks for help

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