\begin{code}
{-# OPTIONS -optc-DNON_POSIX_SOURCE -#include "Linker.h" #-}
+{-# OPTIONS -fno-cse #-}
+-- -fno-cse is needed for GLOBAL_VAR's to behave properly
+
module Linker ( HValue, getHValue, showLinkerState,
linkExpr, unload, withExtendedLinkEnv,
extendLinkEnv, deleteFromLinkEnv,
import Distribution.Package hiding (depends)
-import Control.Exception
+import Exception
import Data.Maybe
\end{code}
getHValue hsc_env name = do
when (isExternalName name) $ do
ok <- linkDependencies hsc_env noSrcSpan [nameModule name]
- when (failed ok) $ throwDyn (ProgramError "")
+ when (failed ok) $ ghcError (ProgramError "")
pls <- readIORef v_PersistentLinkerState
lookupName (closure_env pls) name
; ok <- resolveObjs
; if succeeded ok then maybePutStrLn dflags "done"
- else throwDyn (InstallationError "linking extra libraries/objects failed")
+ else ghcError (InstallationError "linking extra libraries/objects failed")
}}
classifyLdInput :: FilePath -> IO (Maybe LibrarySpec)
if not b then return False
else loadObj name >> return True
- give_up = throwDyn $
+ give_up = ghcError $
CmdLineError "user specified .o/.so/.DLL could not be loaded."
\end{code}
-- Link the packages and modules required
; ok <- linkDependencies hsc_env span needed_mods
; if failed ok then
- throwDyn (ProgramError "")
+ ghcError (ProgramError "")
else do {
-- Link the expression itself
-- by default, so we can safely ignore them here.
dieWith :: SrcSpan -> Message -> IO a
-dieWith span msg = throwDyn (ProgramError (showSDoc (mkLocMessage span msg)))
+dieWith span msg = ghcError (ProgramError (showSDoc (mkLocMessage span msg)))
checkNonStdWay :: DynFlags -> SrcSpan -> IO (Maybe String)
link_boot_mod_error mod =
- throwDyn (ProgramError (showSDoc (
+ ghcError (ProgramError (showSDoc (
text "module" <+> ppr mod <+>
text "cannot be linked; it is only available as a boot module")))
; return (new_pkg : pkgs') }
| otherwise
- = throwDyn (CmdLineError ("unknown package: " ++ packageIdString new_pkg))
+ = ghcError (CmdLineError ("unknown package: " ++ packageIdString new_pkg))
linkPackage :: DynFlags -> PackageConfig -> IO ()
maybePutStr dflags "linking ... "
ok <- resolveObjs
if succeeded ok then maybePutStrLn dflags "done."
- else throwDyn (InstallationError ("unable to load package `" ++ display (package pkg) ++ "'"))
+ else ghcError (InstallationError ("unable to load package `" ++ display (package pkg) ++ "'"))
load_dyn :: [FilePath] -> FilePath -> IO ()
load_dyn dirs dll = do r <- loadDynamic dirs dll
case r of
Nothing -> return ()
- Just err -> throwDyn (CmdLineError ("can't load .so/.DLL for: "
+ Just err -> ghcError (CmdLineError ("can't load .so/.DLL for: "
++ dll ++ " (" ++ err ++ ")" ))
loadFrameworks :: InstalledPackageInfo_ ModuleName -> IO ()
load fw = do r <- loadFramework fw_dirs fw
case r of
Nothing -> return ()
- Just err -> throwDyn (CmdLineError ("can't load framework: "
+ Just err -> ghcError (CmdLineError ("can't load framework: "
++ fw ++ " (" ++ err ++ ")" ))
-- Try to find an object file for a given library in the given paths.
Nothing ->
do { mb_lib_path <- findFile mk_dyn_lib_path dirs
; case mb_lib_path of
- Just _ -> return (DLL (lib ++ "-ghc" ++ cProjectVersion))
+ Just _ -> return (DLL dyn_lib_name)
Nothing -> return (DLL lib) }} -- We assume
| otherwise
-- When the GHC package was compiled as dynamic library (=__PIC__ set),
Nothing -> return (DLL lib) }} -- We assume
where
mk_obj_path dir = dir </> (lib <.> "o")
- mk_dyn_lib_path dir = dir </> mkSOName (lib ++ "-ghc" ++ cProjectVersion)
+ dyn_lib_name = lib ++ "-ghc" ++ cProjectVersion
+ mk_dyn_lib_path dir = dir </> mkSOName dyn_lib_name
-- ----------------------------------------------------------------------------
-- Loading a dyanmic library (dlopen()-ish on Unix, LoadLibrary-ish on Win32)
-- name. They are searched for in different paths than normal libraries.
loadFramework :: [FilePath] -> FilePath -> IO (Maybe String)
loadFramework extraPaths rootname
- = do { either_dir <- Control.Exception.try getHomeDirectory
+ = do { either_dir <- tryIO getHomeDirectory
; let homeFrameworkPath = case either_dir of
Left _ -> []
Right dir -> [dir ++ "/Library/Frameworks"]