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How do I trace recursive functions like these that calls itself recursively two times? I wanted to create a tree of the calls. When I stumbled into this, how do I know which of the methods that currently are being executed? CountWays(numStairs-1) or CountWays(numStairs-2)
GDB answer?
If you see near the bottom-right of your screenshot there are 3 buttons in a group and the left-most button has been selected. Press either the center or the far-right button to open the debug console. In there you may type ‘bt’ and it will print your back-trace.
GUI answer?
You need to trigger a backtrace upon your breakpoint (or exception breakpoint), instructions for this can be found here:
http://www.oramind.com/index.php/articles/182-ios-5-xcode-backtrace