|Copyright||(c) The University of Glasgow 2013-2015|
|Portability||non-portable (GHC Extensions)|
This is a module for efficient stack traces. This stack trace implementation is considered low overhead. Basic usage looks like this:
import GHC.ExecutionStack myFunction :: IO () myFunction = do putStrLn =<< showStackTrace
Your GHC must have been built with
libdw support for this to work.
user@host:~$ ghc --info | grep libdw ,("RTS expects libdw",YES)
Location information about an addresss from a backtrace.
A location in the original program source.
Get a trace of the current execution stack state.
Nothing if stack trace support isn't available on host machine.