X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fghci%2FObjLink.lhs;h=48deb46783a9c9d210455b83c0ac12e76ac0510b;hp=f46532fbad029a956f48e09ce322d010f09348d1;hb=6ef2fc2ebf11755a54386f8e317d83cb19913be1;hpb=ab22f4e6456820c1b5169d75f5975a94e61f54ce diff --git a/compiler/ghci/ObjLink.lhs b/compiler/ghci/ObjLink.lhs index f46532f..48deb46 100644 --- a/compiler/ghci/ObjLink.lhs +++ b/compiler/ghci/ObjLink.lhs @@ -17,7 +17,8 @@ module ObjLink ( loadObj, -- :: String -> IO () unloadObj, -- :: String -> IO () insertSymbol, -- :: String -> String -> Ptr a -> IO () - insertStableSymbol, -- :: String -> String -> a -> IO () +-- Suspicious; see defn +-- insertStableSymbol, -- :: String -> String -> a -> IO () lookupSymbol, -- :: String -> IO (Maybe (Ptr a)) resolveObjs -- :: IO SuccessFlag ) where @@ -43,12 +44,14 @@ insertSymbol obj_name key symbol withCString str $ \c_str -> c_insertSymbol c_obj_name c_str symbol +{- Deeply suspicious use of unsafeCoerce#; should use makeStablePtr# 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 @@ -95,26 +98,15 @@ resolveObjs = do -- Foreign declaractions to RTS entry points which does the real work; -- --------------------------------------------------------------------------- -#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 () +-- Suspicious: should take a stable pointer +-- 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 foreign import ccall unsafe "resolveObjs" c_resolveObjs :: 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 -foreign import "resolveObjs" unsafe c_resolveObjs :: IO Int -#endif \end{code}