cmmTopCodeGen no longer takes DynFlags as an argument

[ghc-hetmet.git] / compiler / ghci / ObjLink.lhs

diff --git a/compiler/ghci/ObjLink.lhs b/compiler/ghci/ObjLink.lhs
index 36a9d8b..cd593f7 100644 (file)
--- a/compiler/ghci/ObjLink.lhs
+++ b/compiler/ghci/ObjLink.lhs
@@ -9,18 +9,10 @@
 Primarily, this module consists of an interface to the C-land dynamic linker.
 
 \begin{code}
-{-# OPTIONS -#include "Linker.h" #-}
-
-{-# OPTIONS_GHC -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
---     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
--- for details
-
 module ObjLink ( 
    initObjLinker,       -- :: IO ()
    loadDLL,             -- :: String -> IO (Maybe String)
+   loadArchive,         -- :: String -> IO ()
    loadObj,             -- :: String -> IO ()
    unloadObj,           -- :: String -> IO ()
    insertSymbol,         -- :: String -> String -> Ptr a -> IO ()
@@ -28,15 +20,16 @@ module ObjLink (
    resolveObjs          -- :: IO SuccessFlag
   )  where
 
-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 GHC.Exts         ( Ptr(..) )
+import GHC.IO.Encoding  ( fileSystemEncoding )
+import qualified GHC.Foreign as GHC
 
 
 
@@ -44,17 +37,21 @@ import GHC.Exts         ( Ptr(..), unsafeCoerce# )
 -- 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
@@ -69,23 +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
@@ -100,6 +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