X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fghci%2FObjLink.lhs;h=cd593f7b45027acd4c167bec8a67ae2bb76c1b97;hp=7981c8208c906ad797fc354e2360a8ee57b77393;hb=b2bd63f99d643f6b3eb30bb72bb9ae26d4183252;hpb=d436c70d43fb905c63220040168295e473f4b90a diff --git a/compiler/ghci/ObjLink.lhs b/compiler/ghci/ObjLink.lhs index 7981c82..cd593f7 100644 --- a/compiler/ghci/ObjLink.lhs +++ b/compiler/ghci/ObjLink.lhs @@ -9,11 +9,10 @@ Primarily, this module consists of an interface to the C-land dynamic linker. \begin{code} -{-# OPTIONS -#include "Linker.h" #-} - module ObjLink ( initObjLinker, -- :: IO () loadDLL, -- :: String -> IO (Maybe String) + loadArchive, -- :: String -> IO () loadObj, -- :: String -> IO () unloadObj, -- :: String -> IO () insertSymbol, -- :: String -> String -> Ptr a -> IO () @@ -29,6 +28,8 @@ import Control.Monad ( when ) import Foreign.C import Foreign ( nullPtr ) import GHC.Exts ( Ptr(..) ) +import GHC.IO.Encoding ( fileSystemEncoding ) +import qualified GHC.Foreign as GHC @@ -36,17 +37,21 @@ import GHC.Exts ( Ptr(..) ) -- RTS Linker Interface -- --------------------------------------------------------------------------- +-- UNICODE FIXME: Unicode object/archive/DLL file names on Windows will only work in the right code page +withFileCString :: FilePath -> (CString -> IO a) -> IO a +withFileCString = GHC.withCString fileSystemEncoding + 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 -> + in withFileCString obj_name $ \c_obj_name -> + withCAString str $ \c_str -> c_insertSymbol c_obj_name c_str symbol lookupSymbol :: String -> IO (Maybe (Ptr a)) lookupSymbol str_in = do let str = prefixUnderscore str_in - withCString str $ \c_str -> do + withCAString str $ \c_str -> do addr <- c_lookupSymbol c_str if addr == nullPtr then return Nothing @@ -61,23 +66,29 @@ loadDLL :: String -> IO (Maybe String) -- Nothing => success -- Just err_msg => failure loadDLL str = do - maybe_errmsg <- withCString str $ \dll -> c_addDLL dll + maybe_errmsg <- withFileCString str $ \dll -> c_addDLL dll if maybe_errmsg == nullPtr then return Nothing else do str <- peekCString maybe_errmsg return (Just str) +loadArchive :: String -> IO () +loadArchive str = do + withFileCString str $ \c_str -> do + r <- c_loadArchive c_str + when (r == 0) (panic ("loadArchive " ++ show str ++ ": failed")) + loadObj :: String -> IO () loadObj str = do - withCString str $ \c_str -> do + withFileCString str $ \c_str -> do r <- c_loadObj c_str - when (r == 0) (panic "loadObj: failed") + when (r == 0) (panic ("loadObj " ++ show str ++ ": failed")) unloadObj :: String -> IO () unloadObj str = - withCString str $ \c_str -> do + withFileCString str $ \c_str -> do r <- c_unloadObj c_str - when (r == 0) (panic "unloadObj: failed") + when (r == 0) (panic ("unloadObj " ++ show str ++ ": failed")) resolveObjs :: IO SuccessFlag resolveObjs = do @@ -92,6 +103,7 @@ 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 "lookupSymbol" c_lookupSymbol :: CString -> IO (Ptr a) +foreign import ccall unsafe "loadArchive" c_loadArchive :: CString -> IO Int 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