backtrace
Prints a summary of how your program reached the current state.
Syntax
backtrace
bt
Usage
The backtrace command prints a summary of your program's entire stack, one line per frame. Each line in the output shows the frame number and function name.
Example
(fgldb) bt
#1 addcount() at mymodule.4gl:6
#2 main() at mymodule.4gl:2
(fgldb)