loadDLL, -- :: String -> IO (Maybe String)
loadObj, -- :: String -> IO ()
unloadObj, -- :: String -> IO ()
+ insertSymbol, -- :: String -> String -> Ptr a -> IO ()
+ insertStableSymbol, -- :: String -> String -> a -> IO ()
lookupSymbol, -- :: String -> IO (Maybe (Ptr a))
resolveObjs -- :: IO SuccessFlag
) where
import Monad ( when )
import Foreign.C
-import Foreign ( Ptr, nullPtr )
+import Foreign ( nullPtr )
import Panic ( panic )
import BasicTypes ( SuccessFlag, successIf )
import Config ( cLeadingUnderscore )
import Outputable
+import GHC.Exts ( Ptr(..), unsafeCoerce# )
+
-- ---------------------------------------------------------------------------
-- RTS Linker Interface
-- ---------------------------------------------------------------------------
+insertSymbol :: String -> String -> Ptr a -> IO ()
+insertSymbol obj_name key symbol
+ = let str = prefixUnderscore key
+ in withCString obj_name $ \c_obj_name ->
+ withCString str $ \c_str ->
+ c_insertSymbol c_obj_name c_str symbol
+
+insertStableSymbol :: String -> String -> a -> IO ()
+insertStableSymbol obj_name key symbol
+ = let str = prefixUnderscore key
+ in withCString obj_name $ \c_obj_name ->
+ withCString str $ \c_str ->
+ c_insertStableSymbol c_obj_name c_str (Ptr (unsafeCoerce# symbol))
+
lookupSymbol :: String -> IO (Maybe (Ptr a))
lookupSymbol str_in = do
let str = prefixUnderscore str_in
#if __GLASGOW_HASKELL__ >= 504
foreign import ccall unsafe "addDLL" c_addDLL :: CString -> IO CString
foreign import ccall unsafe "initLinker" initObjLinker :: IO ()
+foreign import ccall unsafe "insertSymbol" c_insertSymbol :: CString -> CString -> Ptr a -> IO ()
+foreign import ccall unsafe "insertStableSymbol" c_insertStableSymbol
+ :: CString -> CString -> Ptr a -> IO ()
foreign import ccall unsafe "lookupSymbol" c_lookupSymbol :: CString -> IO (Ptr a)
foreign import ccall unsafe "loadObj" c_loadObj :: CString -> IO Int
foreign import ccall unsafe "unloadObj" c_unloadObj :: CString -> IO Int
#else
foreign import "addDLL" unsafe c_addDLL :: CString -> IO CString
foreign import "initLinker" unsafe initLinker :: IO ()
+foreign import "insertSymbol" unsafe c_insertSymbol :: CString -> CString -> Ptr a -> IO ()
+foreign import "insertStableSymbol" unsafe c_insertStableSymbol
+ :: CString -> CString -> Ptr a -> IO ()
foreign import "lookupSymbol" unsafe c_lookupSymbol :: CString -> IO (Ptr a)
foreign import "loadObj" unsafe c_loadObj :: CString -> IO Int
foreign import "unloadObj" unsafe c_unloadObj :: CString -> IO Int