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+Stack Overflow Detection
+
+	Mono supports converting a stack overflow into a
+	StackOverflowException that the user can use to 
+	pinpoint problems in his software.
+
+	The detection works by:
+
+	      * Setting up a number of guard pages below a certain
+	      point in the thread stack and unprotect them if we get a
+	      segv there.
+
+	      * If a segv is caught on those pages, control is
+                transfered to the standard exception handling code.
+
+	      * During the unwinding, the stack pages are protected
+	        again.