unloadObj, -- :: String -> IO ()
insertSymbol, -- :: String -> String -> Ptr a -> IO ()
lookupSymbol, -- :: String -> IO (Maybe (Ptr a))
- resolveObjs, -- :: IO SuccessFlag
- lookupDataCon -- :: Ptr a -> IO (Maybe String)
+ resolveObjs -- :: IO SuccessFlag
) where
-import ByteCodeItbls ( StgInfoTable )
-import Panic ( panic )
+import Panic
import BasicTypes ( SuccessFlag, successIf )
import Config ( cLeadingUnderscore )
-import Outputable
import Control.Monad ( when )
import Foreign.C
import Foreign ( nullPtr )
import GHC.Exts ( Ptr(..), unsafeCoerce# )
-import Constants ( wORD_SIZE )
-import Foreign ( plusPtr )
-- ---------------------------------------------------------------------------
then return Nothing
else return (Just addr)
--- | Expects a Ptr to an info table, not to a closure
-lookupDataCon :: Ptr StgInfoTable -> IO (Maybe String)
-lookupDataCon ptr = do
- name <- c_lookupDataCon (ptr `plusPtr` (wORD_SIZE*2))
- if name == nullPtr
- then return Nothing
- else peekCString name >>= return . Just
-
prefixUnderscore :: String -> String
prefixUnderscore
| cLeadingUnderscore == "YES" = ('_':)
return (successIf (r /= 0))
-- ---------------------------------------------------------------------------
--- Foreign declaractions to RTS entry points which does the real work;
+-- Foreign declarations to RTS entry points which does the real work;
-- ---------------------------------------------------------------------------
foreign import ccall unsafe "addDLL" c_addDLL :: CString -> IO CString
foreign import ccall unsafe "loadObj" c_loadObj :: CString -> IO Int
foreign import ccall unsafe "unloadObj" c_unloadObj :: CString -> IO Int
foreign import ccall unsafe "resolveObjs" c_resolveObjs :: IO Int
-foreign import ccall unsafe "lookupDataCon" c_lookupDataCon :: Ptr a -> IO CString
-
\end{code}