+{-# OPTIONS -fno-cse #-}
+-- -fno-cse is needed for GLOBAL_VAR's to behave properly
+
-----------------------------------------------------------------------------
--
-- GHC Driver
-- Interfaces for the compilation manager (interpreted/batch-mode)
preprocess,
- compile, CompResult(..),
+ compile, compile',
link,
) where
import HscTypes
import Outputable
import Module
-import UniqFM ( eltsUFM )
+import LazyUniqFM ( eltsUFM )
import ErrUtils
import DynFlags
-import StaticFlags ( v_Ld_inputs, opt_Static, opt_HardwireLibPaths, WayName(..) )
+import StaticFlags ( v_Ld_inputs, opt_Static, WayName(..) )
import Config
import Panic
import Util
import BasicTypes ( SuccessFlag(..) )
import Maybes ( expectJust )
import ParserCoreUtils ( getCoreModuleName )
-import SrcLoc ( unLoc )
-import SrcLoc ( Located(..) )
-
-import Control.Exception as Exception
-import Data.IORef ( readIORef, writeIORef, IORef )
-import GHC.Exts ( Int(..) )
+import SrcLoc
+import FastString
+-- import MonadUtils
+
+-- import Data.Either
+import Exception
+import Data.IORef ( readIORef )
+-- import GHC.Exts ( Int(..) )
import System.Directory
+import System.FilePath
import System.IO
-import SYSTEM_IO_ERROR as IO
+import System.IO.Error as IO
import Control.Monad
import Data.List ( isSuffixOf )
import Data.Maybe
-import System.Exit
import System.Environment
-- ---------------------------------------------------------------------------
-- Pre-process
--- Just preprocess a file, put the result in a temp. file (used by the
+-- | Just preprocess a file, put the result in a temp. file (used by the
-- compilation manager during the summary phase).
--
-- We return the augmented DynFlags, because they contain the result
-- of slurping in the OPTIONS pragmas
-preprocess :: DynFlags -> (FilePath, Maybe Phase) -> IO (DynFlags, FilePath)
-preprocess dflags (filename, mb_phase) =
+preprocess :: GhcMonad m =>
+ HscEnv
+ -> (FilePath, Maybe Phase) -- ^ filename and starting phase
+ -> m (DynFlags, FilePath)
+preprocess hsc_env (filename, mb_phase) =
ASSERT2(isJust mb_phase || isHaskellSrcFilename filename, text filename)
- runPipeline anyHsc dflags (filename, mb_phase)
+ runPipeline anyHsc hsc_env (filename, mb_phase)
Nothing Temporary Nothing{-no ModLocation-}
-- ---------------------------------------------------------------------------
--- Compile
+-- | Compile
+--
-- Compile a single module, under the control of the compilation manager.
--
-- This is the interface between the compilation manager and the
-- compiler proper (hsc), where we deal with tedious details like
-- reading the OPTIONS pragma from the source file, and passing the
-- output of hsc through the C compiler.
-
+--
-- NB. No old interface can also mean that the source has changed.
-compile :: HscEnv
- -> ModSummary
- -> Maybe Linkable -- Just linkable <=> source unchanged
- -> Maybe ModIface -- Old interface, if available
- -> Int -> Int
- -> IO CompResult
-
-data CompResult
- = CompOK ModDetails -- New details
- ModIface -- New iface
- (Maybe Linkable) -- a Maybe, for the same reasons as hm_linkable
-
- | CompErrs
-
-
-compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do
-
- let dflags0 = ms_hspp_opts mod_summary
- this_mod = ms_mod mod_summary
- src_flavour = ms_hsc_src mod_summary
-
- have_object
- | Just l <- maybe_old_linkable, isObjectLinkable l = True
- | otherwise = False
-
- -- FIXME: We need to know whether or not we're recompiling the file. Move this to HscMain?
- --showPass dflags0 ("Compiling " ++ showModMsg have_object mod_summary)
-
- let location = ms_location mod_summary
- let input_fn = expectJust "compile:hs" (ml_hs_file location)
- let input_fnpp = ms_hspp_file mod_summary
-
- debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
-
- let (basename, _) = splitFilename input_fn
+compile :: GhcMonad m =>
+ HscEnv
+ -> ModSummary -- ^ summary for module being compiled
+ -> Int -- ^ module N ...
+ -> Int -- ^ ... of M
+ -> Maybe ModIface -- ^ old interface, if we have one
+ -> Maybe Linkable -- ^ old linkable, if we have one
+ -> m HomeModInfo -- ^ the complete HomeModInfo, if successful
+
+compile = compile' (hscCompileNothing, hscCompileInteractive, hscCompileBatch)
+
+type Compiler m a = HscEnv -> ModSummary -> Bool
+ -> Maybe ModIface -> Maybe (Int, Int)
+ -> m a
+
+compile' :: GhcMonad m =>
+ (Compiler m (HscStatus, ModIface, ModDetails),
+ Compiler m (InteractiveStatus, ModIface, ModDetails),
+ Compiler m (HscStatus, ModIface, ModDetails))
+ -> HscEnv
+ -> ModSummary -- ^ summary for module being compiled
+ -> Int -- ^ module N ...
+ -> Int -- ^ ... of M
+ -> Maybe ModIface -- ^ old interface, if we have one
+ -> Maybe Linkable -- ^ old linkable, if we have one
+ -> m HomeModInfo -- ^ the complete HomeModInfo, if successful
+
+compile' (nothingCompiler, interactiveCompiler, batchCompiler)
+ hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
+ = do
+ let dflags0 = ms_hspp_opts summary
+ this_mod = ms_mod summary
+ src_flavour = ms_hsc_src summary
+ location = ms_location summary
+ input_fn = expectJust "compile:hs" (ml_hs_file location)
+ input_fnpp = ms_hspp_file summary
+
+ liftIO $ debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
+
+ let basename = dropExtension input_fn
-- We add the directory in which the .hs files resides) to the import path.
-- This is needed when we try to compile the .hc file later, if it
-- imports a _stub.h file that we created here.
- let current_dir = directoryOf basename
+ let current_dir = case takeDirectory basename of
+ "" -> "." -- XXX Hack
+ d -> d
old_paths = includePaths dflags0
dflags = dflags0 { includePaths = current_dir : old_paths }
+ hsc_env = hsc_env0 {hsc_dflags = dflags}
-- Figure out what lang we're generating
let hsc_lang = hscMaybeAdjustTarget dflags StopLn src_flavour (hscTarget dflags)
-- ... and what the next phase should be
let next_phase = hscNextPhase dflags src_flavour hsc_lang
-- ... and what file to generate the output into
- output_fn <- getOutputFilename next_phase
+ output_fn <- liftIO $ getOutputFilename next_phase
Temporary basename dflags next_phase (Just location)
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
extCoreName = basename ++ ".hcr" }
+ let hsc_env' = hsc_env { hsc_dflags = dflags' }
- -- -no-recomp should also work with --make
+ -- -fforce-recomp should also work with --make
let force_recomp = dopt Opt_ForceRecomp dflags
source_unchanged = isJust maybe_old_linkable && not force_recomp
- hsc_env' = hsc_env { hsc_dflags = dflags' }
object_filename = ml_obj_file location
let getStubLinkable False = return []
getStubLinkable True
- = do stub_o <- compileStub dflags' this_mod location
+ = do stub_o <- compileStub hsc_env' this_mod location
return [ DotO stub_o ]
- handleBatch (HscNoRecomp, iface, details)
+ handleBatch HscNoRecomp
= ASSERT (isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
- handleBatch (HscRecomp hasStub, iface, details)
+ return maybe_old_linkable
+
+ handleBatch (HscRecomp hasStub _)
| isHsBoot src_flavour
- = do SysTools.touch dflags' "Touching object file"
+ = do when (isObjectTarget hsc_lang) $ -- interpreted reaches here too
+ liftIO $ SysTools.touch dflags' "Touching object file"
object_filename
- return (CompOK details iface Nothing)
+ return maybe_old_linkable
+
| otherwise
= do stub_unlinked <- getStubLinkable hasStub
(hs_unlinked, unlinked_time) <-
case hsc_lang of
HscNothing
- -> return ([], ms_hs_date mod_summary)
+ -> return ([], ms_hs_date summary)
-- We're in --make mode: finish the compilation pipeline.
_other
- -> do runPipeline StopLn dflags (output_fn,Nothing)
+ -> do _ <- runPipeline StopLn hsc_env' (output_fn,Nothing)
(Just basename)
Persistent
(Just location)
-- The object filename comes from the ModLocation
- o_time <- getModificationTime object_filename
+ o_time <- liftIO $ getModificationTime object_filename
return ([DotO object_filename], o_time)
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
- return (CompOK details iface (Just linkable))
+ return (Just linkable)
- handleInterpreted (InteractiveNoRecomp, iface, details)
+ handleInterpreted HscNoRecomp
= ASSERT (isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
- handleInterpreted (InteractiveRecomp hasStub comp_bc, iface, details)
+ return maybe_old_linkable
+ handleInterpreted (HscRecomp _hasStub Nothing)
+ = ASSERT (isHsBoot src_flavour)
+ return maybe_old_linkable
+ handleInterpreted (HscRecomp hasStub (Just (comp_bc, modBreaks)))
= do stub_unlinked <- getStubLinkable hasStub
- let hs_unlinked = [BCOs comp_bc]
- unlinked_time = ms_hs_date mod_summary
+ let hs_unlinked = [BCOs comp_bc modBreaks]
+ unlinked_time = ms_hs_date summary
-- Why do we use the timestamp of the source file here,
-- rather than the current time? This works better in
-- the case where the local clock is out of sync
-- be out of date.
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
- return (CompOK details iface (Just linkable))
-
- let runCompiler compiler handle
- = do mbResult <- compiler hsc_env' mod_summary
- source_unchanged old_iface
- (Just (mod_index, nmods))
- case mbResult of
- Nothing -> return CompErrs
- Just result -> handle result
+ return (Just linkable)
+
+ let -- runCompiler :: Compiler result -> (result -> Maybe Linkable)
+ -- -> m HomeModInfo
+ runCompiler compiler handle
+ = do (result, iface, details)
+ <- compiler hsc_env' summary source_unchanged mb_old_iface
+ (Just (mod_index, nmods))
+ linkable <- handle result
+ return (HomeModInfo{ hm_details = details,
+ hm_iface = iface,
+ hm_linkable = linkable })
-- run the compiler
case hsc_lang of
- HscInterpreted | not (isHsBoot src_flavour) -- We can't compile boot files to
- -- bytecode so don't even try.
- -> runCompiler hscCompileInteractive handleInterpreted
- HscNothing
- -> runCompiler hscCompileNothing handleBatch
- _other
- -> runCompiler hscCompileBatch handleBatch
+ HscInterpreted ->
+ runCompiler interactiveCompiler handleInterpreted
+ HscNothing ->
+ runCompiler nothingCompiler handleBatch
+ _other ->
+ runCompiler batchCompiler handleBatch
+
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
-- -odir obj, we would get obj/src/A_stub.o, which is wrong; we want
-- obj/A_stub.o.
-compileStub :: DynFlags -> Module -> ModLocation -> IO FilePath
-compileStub dflags mod location = do
- let (o_base, o_ext) = splitFilename (ml_obj_file location)
- stub_o = o_base ++ "_stub" `joinFileExt` o_ext
-
+compileStub :: GhcMonad m => HscEnv -> Module -> ModLocation
+ -> m FilePath
+compileStub hsc_env mod location = do
-- compile the _stub.c file w/ gcc
- let (stub_c,_) = mkStubPaths dflags (moduleName mod) location
- runPipeline StopLn dflags (stub_c,Nothing) Nothing
+ let (stub_c,_,stub_o) = mkStubPaths (hsc_dflags hsc_env)
+ (moduleName mod) location
+
+ _ <- runPipeline StopLn hsc_env (stub_c,Nothing) Nothing
(SpecificFile stub_o) Nothing{-no ModLocation-}
return stub_o
-- ---------------------------------------------------------------------------
-- Link
-link :: GhcLink -- interactive or batch
- -> DynFlags -- dynamic flags
- -> Bool -- attempt linking in batch mode?
- -> HomePackageTable -- what to link
+link :: GhcLink -- interactive or batch
+ -> DynFlags -- dynamic flags
+ -> Bool -- attempt linking in batch mode?
+ -> HomePackageTable -- what to link
-> IO SuccessFlag
-- For the moment, in the batch linker, we don't bother to tell doLink
-- will succeed.
#ifdef GHCI
-link LinkInMemory dflags batch_attempt_linking hpt
+link LinkInMemory _ _ _
= do -- Not Linking...(demand linker will do the job)
- return Succeeded
+ return Succeeded
#endif
-link NoLink dflags batch_attempt_linking hpt
+link NoLink _ _ _
= return Succeeded
link LinkBinary dflags batch_attempt_linking hpt
+ = link' dflags batch_attempt_linking hpt
+
+link LinkDynLib dflags batch_attempt_linking hpt
+ = link' dflags batch_attempt_linking hpt
+
+#ifndef GHCI
+-- warning suppression
+link other _ _ _ = panicBadLink other
+#endif
+
+panicBadLink :: GhcLink -> a
+panicBadLink other = panic ("link: GHC not built to link this way: " ++
+ show other)
+
+link' :: DynFlags -- dynamic flags
+ -> Bool -- attempt linking in batch mode?
+ -> HomePackageTable -- what to link
+ -> IO SuccessFlag
+
+link' dflags batch_attempt_linking hpt
| batch_attempt_linking
- = do
- let
- home_mod_infos = eltsUFM hpt
+ = do
+ let
+ home_mod_infos = eltsUFM hpt
- -- the packages we depend on
- pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos
+ -- the packages we depend on
+ pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos
- -- the linkables to link
- linkables = map (expectJust "link".hm_linkable) home_mod_infos
+ -- the linkables to link
+ linkables = map (expectJust "link".hm_linkable) home_mod_infos
debugTraceMsg dflags 3 (text "link: linkables are ..." $$ vcat (map ppr linkables))
- -- check for the -no-link flag
- if isNoLink (ghcLink dflags)
- then do debugTraceMsg dflags 3 (text "link(batch): linking omitted (-c flag given).")
- return Succeeded
- else do
+ -- check for the -no-link flag
+ if isNoLink (ghcLink dflags)
+ then do debugTraceMsg dflags 3 (text "link(batch): linking omitted (-c flag given).")
+ return Succeeded
+ else do
- let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
- obj_files = concatMap getOfiles linkables
+ let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
+ obj_files = concatMap getOfiles linkables
- exe_file = exeFileName dflags
+ exe_file = exeFileName dflags
- -- if the modification time on the executable is later than the
- -- modification times on all of the objects, then omit linking
- -- (unless the -no-recomp flag was given).
- e_exe_time <- IO.try $ getModificationTime exe_file
- let linking_needed
- | Left _ <- e_exe_time = True
- | Right t <- e_exe_time =
- any (t <) (map linkableTime linkables)
+ linking_needed <- linkingNeeded dflags linkables pkg_deps
- if not (dopt Opt_ForceRecomp dflags) && not linking_needed
- then do debugTraceMsg dflags 2 (text exe_file <+> ptext SLIT("is up to date, linking not required."))
- return Succeeded
- else do
+ if not (dopt Opt_ForceRecomp dflags) && not linking_needed
+ then do debugTraceMsg dflags 2 (text exe_file <+> ptext (sLit "is up to date, linking not required."))
+ return Succeeded
+ else do
- debugTraceMsg dflags 1 (ptext SLIT("Linking") <+> text exe_file
- <+> text "...")
+ debugTraceMsg dflags 1 (ptext (sLit "Linking") <+> text exe_file
+ <+> text "...")
- -- Don't showPass in Batch mode; doLink will do that for us.
- let link = case ghcLink dflags of
- LinkBinary -> linkBinary
- LinkDynLib -> linkDynLib
- link dflags obj_files pkg_deps
+ -- Don't showPass in Batch mode; doLink will do that for us.
+ let link = case ghcLink dflags of
+ LinkBinary -> linkBinary
+ LinkDynLib -> linkDynLib
+ other -> panicBadLink other
+ link dflags obj_files pkg_deps
debugTraceMsg dflags 3 (text "link: done")
- -- linkBinary only returns if it succeeds
+ -- linkBinary only returns if it succeeds
return Succeeded
| otherwise
= do debugTraceMsg dflags 3 (text "link(batch): upsweep (partially) failed OR" $$
text " Main.main not exported; not linking.")
return Succeeded
-
+
+
+linkingNeeded :: DynFlags -> [Linkable] -> [PackageId] -> IO Bool
+linkingNeeded dflags linkables pkg_deps = do
+ -- if the modification time on the executable is later than the
+ -- modification times on all of the objects and libraries, then omit
+ -- linking (unless the -fforce-recomp flag was given).
+ let exe_file = exeFileName dflags
+ e_exe_time <- IO.try $ getModificationTime exe_file
+ case e_exe_time of
+ Left _ -> return True
+ Right t -> do
+ -- first check object files and extra_ld_inputs
+ extra_ld_inputs <- readIORef v_Ld_inputs
+ e_extra_times <- mapM (IO.try . getModificationTime) extra_ld_inputs
+ let (errs,extra_times) = splitEithers e_extra_times
+ let obj_times = map linkableTime linkables ++ extra_times
+ if not (null errs) || any (t <) obj_times
+ then return True
+ else do
+
+ -- next, check libraries. XXX this only checks Haskell libraries,
+ -- not extra_libraries or -l things from the command line.
+ let pkg_map = pkgIdMap (pkgState dflags)
+ pkg_hslibs = [ (libraryDirs c, lib)
+ | Just c <- map (lookupPackage pkg_map) pkg_deps,
+ lib <- packageHsLibs dflags c ]
+
+ pkg_libfiles <- mapM (uncurry findHSLib) pkg_hslibs
+ if any isNothing pkg_libfiles then return True else do
+ e_lib_times <- mapM (IO.try . getModificationTime)
+ (catMaybes pkg_libfiles)
+ let (lib_errs,lib_times) = splitEithers e_lib_times
+ if not (null lib_errs) || any (t <) lib_times
+ then return True
+ else return False
+
+findHSLib :: [String] -> String -> IO (Maybe FilePath)
+findHSLib dirs lib = do
+ let batch_lib_file = "lib" ++ lib <.> "a"
+ found <- filterM doesFileExist (map (</> batch_lib_file) dirs)
+ case found of
+ [] -> return Nothing
+ (x:_) -> return (Just x)
-- -----------------------------------------------------------------------------
-- Compile files in one-shot mode.
-oneShot :: DynFlags -> Phase -> [(String, Maybe Phase)] -> IO ()
-oneShot dflags stop_phase srcs = do
- o_files <- mapM (compileFile dflags stop_phase) srcs
- doLink dflags stop_phase o_files
+oneShot :: GhcMonad m =>
+ HscEnv -> Phase -> [(String, Maybe Phase)] -> m ()
+oneShot hsc_env stop_phase srcs = do
+ o_files <- mapM (compileFile hsc_env stop_phase) srcs
+ liftIO $ doLink (hsc_dflags hsc_env) stop_phase o_files
-compileFile :: DynFlags -> Phase -> (FilePath, Maybe Phase) -> IO FilePath
-compileFile dflags stop_phase (src, mb_phase) = do
- exists <- doesFileExist src
+compileFile :: GhcMonad m =>
+ HscEnv -> Phase -> (FilePath, Maybe Phase) -> m FilePath
+compileFile hsc_env stop_phase (src, mb_phase) = do
+ exists <- liftIO $ doesFileExist src
when (not exists) $
- throwDyn (CmdLineError ("does not exist: " ++ src))
+ ghcError (CmdLineError ("does not exist: " ++ src))
let
+ dflags = hsc_dflags hsc_env
split = dopt Opt_SplitObjs dflags
mb_o_file = outputFile dflags
ghc_link = ghcLink dflags -- Set by -c or -no-link
stop_phase' = case stop_phase of
As | split -> SplitAs
- other -> stop_phase
+ _ -> stop_phase
- (_, out_file) <- runPipeline stop_phase' dflags
- (src, mb_phase) Nothing output
- Nothing{-no ModLocation-}
+ ( _, out_file) <- runPipeline stop_phase' hsc_env
+ (src, mb_phase) Nothing output
+ Nothing{-no ModLocation-}
return out_file
NoLink -> return ()
LinkBinary -> linkBinary dflags o_files link_pkgs
LinkDynLib -> linkDynLib dflags o_files []
+ other -> panicBadLink other
where
-- Always link in the haskell98 package for static linking. Other
-- packages have to be specified via the -package flag.
- link_pkgs = [haskell98PackageId]
+ link_pkgs
+ | dopt Opt_AutoLinkPackages dflags = [haskell98PackageId]
+ | otherwise = []
-- ---------------------------------------------------------------------------
--- Run a compilation pipeline, consisting of multiple phases.
-
--- This is the interface to the compilation pipeline, which runs
--- a series of compilation steps on a single source file, specifying
--- at which stage to stop.
-
--- The DynFlags can be modified by phases in the pipeline (eg. by
--- GHC_OPTIONS pragmas), and the changes affect later phases in the
--- pipeline.
data PipelineOutput
= Temporary
- -- output should be to a temporary file: we're going to
- -- run more compilation steps on this output later
+ -- ^ Output should be to a temporary file: we're going to
+ -- run more compilation steps on this output later.
| Persistent
- -- we want a persistent file, i.e. a file in the current directory
+ -- ^ We want a persistent file, i.e. a file in the current directory
-- derived from the input filename, but with the appropriate extension.
-- eg. in "ghc -c Foo.hs" the output goes into ./Foo.o.
| SpecificFile FilePath
- -- the output must go into the specified file.
+ -- ^ The output must go into the specified file.
+-- | Run a compilation pipeline, consisting of multiple phases.
+--
+-- This is the interface to the compilation pipeline, which runs
+-- a series of compilation steps on a single source file, specifying
+-- at which stage to stop.
+--
+-- The DynFlags can be modified by phases in the pipeline (eg. by
+-- OPTIONS_GHC pragmas), and the changes affect later phases in the
+-- pipeline.
runPipeline
- :: Phase -- When to stop
- -> DynFlags -- Dynamic flags
- -> (FilePath,Maybe Phase) -- Input filename (and maybe -x suffix)
- -> Maybe FilePath -- original basename (if different from ^^^)
- -> PipelineOutput -- Output filename
- -> Maybe ModLocation -- A ModLocation, if this is a Haskell module
- -> IO (DynFlags, FilePath) -- (final flags, output filename)
-
-runPipeline stop_phase dflags (input_fn, mb_phase) mb_basename output maybe_loc
+ :: GhcMonad m =>
+ Phase -- ^ When to stop
+ -> HscEnv -- ^ Compilation environment
+ -> (FilePath,Maybe Phase) -- ^ Input filename (and maybe -x suffix)
+ -> Maybe FilePath -- ^ original basename (if different from ^^^)
+ -> PipelineOutput -- ^ Output filename
+ -> Maybe ModLocation -- ^ A ModLocation, if this is a Haskell module
+ -> m (DynFlags, FilePath) -- ^ (final flags, output filename)
+
+runPipeline stop_phase hsc_env0 (input_fn, mb_phase) mb_basename output maybe_loc
= do
- let (input_basename, suffix) = splitFilename input_fn
+ let dflags0 = hsc_dflags hsc_env0
+ (input_basename, suffix) = splitExtension input_fn
+ suffix' = drop 1 suffix -- strip off the .
basename | Just b <- mb_basename = b
| otherwise = input_basename
+ -- Decide where dump files should go based on the pipeline output
+ dflags = dflags0 { dumpPrefix = Just (basename ++ ".") }
+ hsc_env = hsc_env0 {hsc_dflags = dflags}
+
-- If we were given a -x flag, then use that phase to start from
- start_phase = fromMaybe (startPhase suffix) mb_phase
+ start_phase = fromMaybe (startPhase suffix') mb_phase
-- We want to catch cases of "you can't get there from here" before
-- we start the pipeline, because otherwise it will just run off the
-- before B in a normal compilation pipeline.
when (not (start_phase `happensBefore` stop_phase)) $
- throwDyn (UsageError
+ ghcError (UsageError
("cannot compile this file to desired target: "
++ input_fn))
-- Execute the pipeline...
(dflags', output_fn, maybe_loc) <-
- pipeLoop dflags start_phase stop_phase input_fn
- basename suffix get_output_fn maybe_loc
+ pipeLoop hsc_env start_phase stop_phase input_fn
+ basename suffix' get_output_fn maybe_loc
-- Sometimes, a compilation phase doesn't actually generate any output
-- (eg. the CPP phase when -fcpp is not turned on). If we end on this
case output of
Temporary ->
return (dflags', output_fn)
- _other ->
+ _other -> liftIO $
do final_fn <- get_output_fn dflags' stop_phase maybe_loc
when (final_fn /= output_fn) $ do
let msg = ("Copying `" ++ output_fn ++"' to `" ++ final_fn ++ "'")
-pipeLoop :: DynFlags -> Phase -> Phase
+pipeLoop :: GhcMonad m =>
+ HscEnv -> Phase -> Phase
-> FilePath -> String -> Suffix
-> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
-> Maybe ModLocation
- -> IO (DynFlags, FilePath, Maybe ModLocation)
+ -> m (DynFlags, FilePath, Maybe ModLocation)
-pipeLoop dflags phase stop_phase
+pipeLoop hsc_env phase stop_phase
input_fn orig_basename orig_suff
orig_get_output_fn maybe_loc
| phase `eqPhase` stop_phase -- All done
- = return (dflags, input_fn, maybe_loc)
+ = return (hsc_dflags hsc_env, input_fn, maybe_loc)
| not (phase `happensBefore` stop_phase)
-- Something has gone wrong. We'll try to cover all the cases when
" but I wanted to stop at phase " ++ show stop_phase)
| otherwise
- = do { (next_phase, dflags', maybe_loc, output_fn)
- <- runPhase phase stop_phase dflags orig_basename
- orig_suff input_fn orig_get_output_fn maybe_loc
- ; pipeLoop dflags' next_phase stop_phase output_fn
- orig_basename orig_suff orig_get_output_fn maybe_loc }
+ = do (next_phase, dflags', maybe_loc, output_fn)
+ <- runPhase phase stop_phase hsc_env orig_basename
+ orig_suff input_fn orig_get_output_fn maybe_loc
+ let hsc_env' = hsc_env {hsc_dflags = dflags'}
+ pipeLoop hsc_env' next_phase stop_phase output_fn
+ orig_basename orig_suff orig_get_output_fn maybe_loc
getOutputFilename
:: Phase -> PipelineOutput -> String
| StopLn <- next_phase = return odir_persistent
| otherwise = return persistent
- persistent = basename `joinFileExt` suffix
+ persistent = basename <.> suffix
odir_persistent
| Just loc <- maybe_location = ml_obj_file loc
- | Just d <- odir = d `joinFileName` persistent
+ | Just d <- odir = d </> persistent
| otherwise = persistent
-- -----------------------------------------------------------------------------
--- Each phase in the pipeline returns the next phase to execute, and the
+-- | Each phase in the pipeline returns the next phase to execute, and the
-- name of the file in which the output was placed.
--
-- We must do things dynamically this way, because we often don't know
-- compilation: for example, an {-# OPTIONS -fasm #-} at the beginning
-- of a source file can change the latter stages of the pipeline from
-- taking the via-C route to using the native code generator.
-
-runPhase :: Phase -- Do this phase first
- -> Phase -- Stop just before this phase
- -> DynFlags
- -> String -- basename of original input source
- -> String -- its extension
- -> FilePath -- name of file which contains the input to this phase.
+--
+runPhase :: GhcMonad m =>
+ Phase -- ^ Do this phase first
+ -> Phase -- ^ Stop just before this phase
+ -> HscEnv
+ -> String -- ^ basename of original input source
+ -> String -- ^ its extension
+ -> FilePath -- ^ name of file which contains the input to this phase.
-> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
- -- how to calculate the output filename
- -> Maybe ModLocation -- the ModLocation, if we have one
- -> IO (Phase, -- next phase
- DynFlags, -- new dynamic flags
- Maybe ModLocation, -- the ModLocation, if we have one
- FilePath) -- output filename
+ -- ^ how to calculate the output filename
+ -> Maybe ModLocation -- ^ the ModLocation, if we have one
+ -> m (Phase, -- next phase
+ DynFlags, -- new dynamic flags
+ Maybe ModLocation, -- the ModLocation, if we have one
+ FilePath) -- output filename
-- Invariant: the output filename always contains the output
-- Interesting case: Hsc when there is no recompilation to do
-------------------------------------------------------------------------------
-- Unlit phase
-runPhase (Unlit sf) _stop dflags _basename _suff input_fn get_output_fn maybe_loc
- = do let unlit_flags = getOpts dflags opt_L
- -- The -h option passes the file name for unlit to put in a #line directive
- output_fn <- get_output_fn dflags (Cpp sf) maybe_loc
-
- SysTools.runUnlit dflags
- (map SysTools.Option unlit_flags ++
- [ SysTools.Option "-h"
- , SysTools.Option input_fn
- , SysTools.FileOption "" input_fn
- , SysTools.FileOption "" output_fn
- ])
+runPhase (Unlit sf) _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = do
+ let dflags = hsc_dflags hsc_env
+ output_fn <- liftIO $ get_output_fn dflags (Cpp sf) maybe_loc
+
+ let unlit_flags = getOpts dflags opt_L
+ flags = map SysTools.Option unlit_flags ++
+ [ -- The -h option passes the file name for unlit to
+ -- put in a #line directive
+ SysTools.Option "-h"
+ -- cpp interprets \b etc as escape sequences,
+ -- so we use / for filenames in pragmas
+ , SysTools.Option $ reslash Forwards $ normalise input_fn
+ , SysTools.FileOption "" input_fn
+ , SysTools.FileOption "" output_fn
+ ]
+
+ liftIO $ SysTools.runUnlit dflags flags
return (Cpp sf, dflags, maybe_loc, output_fn)
-- Cpp phase : (a) gets OPTIONS out of file
-- (b) runs cpp if necessary
-runPhase (Cpp sf) _stop dflags0 basename suff input_fn get_output_fn maybe_loc
- = do src_opts <- getOptionsFromFile input_fn
- (dflags,unhandled_flags) <- parseDynamicFlags dflags0 (map unLoc src_opts)
- checkProcessArgsResult unhandled_flags (basename `joinFileExt` suff)
+runPhase (Cpp sf) _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = do let dflags0 = hsc_dflags hsc_env
+ src_opts <- liftIO $ getOptionsFromFile dflags0 input_fn
+ (dflags, unhandled_flags, warns)
+ <- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
+ handleFlagWarnings dflags warns
+ checkProcessArgsResult unhandled_flags
if not (dopt Opt_Cpp dflags) then
-- no need to preprocess CPP, just pass input file along
-- to the next phase of the pipeline.
return (HsPp sf, dflags, maybe_loc, input_fn)
else do
- output_fn <- get_output_fn dflags (HsPp sf) maybe_loc
- doCpp dflags True{-raw-} False{-no CC opts-} input_fn output_fn
+ output_fn <- liftIO $ get_output_fn dflags (HsPp sf) maybe_loc
+ liftIO $ doCpp dflags True{-raw-} False{-no CC opts-} input_fn output_fn
return (HsPp sf, dflags, maybe_loc, output_fn)
-------------------------------------------------------------------------------
-- HsPp phase
-runPhase (HsPp sf) _stop dflags basename suff input_fn get_output_fn maybe_loc
- = do if not (dopt Opt_Pp dflags) then
+runPhase (HsPp sf) _stop hsc_env basename suff input_fn get_output_fn maybe_loc
+ = do let dflags = hsc_dflags hsc_env
+ if not (dopt Opt_Pp dflags) then
-- no need to preprocess, just pass input file along
-- to the next phase of the pipeline.
return (Hsc sf, dflags, maybe_loc, input_fn)
else do
let hspp_opts = getOpts dflags opt_F
- let orig_fn = basename `joinFileExt` suff
- output_fn <- get_output_fn dflags (Hsc sf) maybe_loc
- SysTools.runPp dflags
+ let orig_fn = basename <.> suff
+ output_fn <- liftIO $ get_output_fn dflags (Hsc sf) maybe_loc
+ liftIO $ SysTools.runPp dflags
( [ SysTools.Option orig_fn
, SysTools.Option input_fn
, SysTools.FileOption "" output_fn
-- Compilation of a single module, in "legacy" mode (_not_ under
-- the direction of the compilation manager).
-runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _maybe_loc
+runPhase (Hsc src_flavour) stop hsc_env basename suff input_fn get_output_fn _maybe_loc
= do -- normal Hsc mode, not mkdependHS
+ let dflags0 = hsc_dflags hsc_env
-- we add the current directory (i.e. the directory in which
- -- the .hs files resides) to the import path, since this is
+ -- the .hs files resides) to the include path, since this is
-- what gcc does, and it's probably what you want.
- let current_dir = directoryOf basename
+ let current_dir = case takeDirectory basename of
+ "" -> "." -- XXX Hack
+ d -> d
paths = includePaths dflags0
dflags = dflags0 { includePaths = current_dir : paths }
-- gather the imports and module name
(hspp_buf,mod_name,imps,src_imps) <-
case src_flavour of
- ExtCoreFile -> do { -- no explicit imports in ExtCore input.
- ; m <- getCoreModuleName input_fn
- ; return (Nothing, mkModuleName m, [], []) }
+ ExtCoreFile -> do -- no explicit imports in ExtCore input.
+ m <- liftIO $ getCoreModuleName input_fn
+ return (Nothing, mkModuleName m, [], [])
- other -> do { buf <- hGetStringBuffer input_fn
- ; (src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn
- ; return (Just buf, mod_name, imps, src_imps) }
+ _ -> do
+ buf <- liftIO $ hGetStringBuffer input_fn
+ (src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn (basename <.> suff)
+ return (Just buf, mod_name, imps, src_imps)
-- Build a ModLocation to pass to hscMain.
-- The source filename is rather irrelevant by now, but it's used
-- the .hi and .o filenames, and this is as good a way
-- as any to generate them, and better than most. (e.g. takes
-- into accout the -osuf flags)
- location1 <- mkHomeModLocation2 dflags mod_name basename suff
+ location1 <- liftIO $ mkHomeModLocation2 dflags mod_name basename suff
-- Boot-ify it if necessary
let location2 | isHsBoot src_flavour = addBootSuffixLocn location1
-- changed (which the compiler itself figures out).
-- Setting source_unchanged to False tells the compiler that M.o is out of
-- date wrt M.hs (or M.o doesn't exist) so we must recompile regardless.
- src_timestamp <- getModificationTime (basename `joinFileExt` suff)
+ src_timestamp <- liftIO $ getModificationTime (basename <.> suff)
let force_recomp = dopt Opt_ForceRecomp dflags
- source_unchanged <-
+ source_unchanged <-
if force_recomp || not (isStopLn stop)
-- Set source_unchanged to False unconditionally if
-- (a) recompilation checker is off, or
-- (b) we aren't going all the way to .o file (e.g. ghc -S)
then return False
-- Otherwise look at file modification dates
- else do o_file_exists <- doesFileExist o_file
+ else do o_file_exists <- liftIO $ doesFileExist o_file
if not o_file_exists
then return False -- Need to recompile
- else do t2 <- getModificationTime o_file
+ else do t2 <- liftIO $ getModificationTime o_file
if t2 > src_timestamp
then return True
else return False
-- get the DynFlags
let hsc_lang = hscMaybeAdjustTarget dflags stop src_flavour (hscTarget dflags)
let next_phase = hscNextPhase dflags src_flavour hsc_lang
- output_fn <- get_output_fn dflags next_phase (Just location4)
+ output_fn <- liftIO $ get_output_fn dflags next_phase (Just location4)
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
extCoreName = basename ++ ".hcr" }
- hsc_env <- newHscEnv dflags'
+ let hsc_env' = hsc_env {hsc_dflags = dflags'}
-- Tell the finder cache about this module
- mod <- addHomeModuleToFinder hsc_env mod_name location4
+ mod <- liftIO $ addHomeModuleToFinder hsc_env' mod_name location4
-- Make the ModSummary to hand to hscMain
let
- unused_field = panic "runPhase:ModSummary field"
- -- Some fields are not looked at by hscMain
mod_summary = ModSummary { ms_mod = mod,
ms_hsc_src = src_flavour,
ms_hspp_file = input_fn,
ms_srcimps = src_imps }
-- run the compiler!
- mbResult <- hscCompileOneShot hsc_env
+ result <- hscCompileOneShot hsc_env'
mod_summary source_unchanged
Nothing -- No iface
Nothing -- No "module i of n" progress info
- case mbResult of
- Nothing -> throwDyn (PhaseFailed "hsc" (ExitFailure 1))
- Just HscNoRecomp
- -> do SysTools.touch dflags' "Touching object file" o_file
+ case result of
+ HscNoRecomp
+ -> do liftIO $ SysTools.touch dflags' "Touching object file" o_file
-- The .o file must have a later modification date
-- than the source file (else we wouldn't be in HscNoRecomp)
-- but we touch it anyway, to keep 'make' happy (we think).
return (StopLn, dflags', Just location4, o_file)
- Just (HscRecomp hasStub)
+ (HscRecomp hasStub _)
-> do when hasStub $
- do stub_o <- compileStub dflags' mod location4
- consIORef v_Ld_inputs stub_o
+ do stub_o <- compileStub hsc_env' mod location4
+ liftIO $ consIORef v_Ld_inputs stub_o
-- In the case of hs-boot files, generate a dummy .o-boot
-- stamp file for the benefit of Make
when (isHsBoot src_flavour) $
- SysTools.touch dflags' "Touching object file" o_file
+ liftIO $ SysTools.touch dflags' "Touching object file" o_file
return (next_phase, dflags', Just location4, output_fn)
-----------------------------------------------------------------------------
-- Cmm phase
-runPhase CmmCpp stop dflags basename suff input_fn get_output_fn maybe_loc
+runPhase CmmCpp _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
= do
- output_fn <- get_output_fn dflags Cmm maybe_loc
- doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
+ let dflags = hsc_dflags hsc_env
+ output_fn <- liftIO $ get_output_fn dflags Cmm maybe_loc
+ liftIO $ doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
return (Cmm, dflags, maybe_loc, output_fn)
-runPhase Cmm stop dflags basename suff input_fn get_output_fn maybe_loc
+runPhase Cmm stop hsc_env basename _ input_fn get_output_fn maybe_loc
= do
+ let dflags = hsc_dflags hsc_env
let hsc_lang = hscMaybeAdjustTarget dflags stop HsSrcFile (hscTarget dflags)
let next_phase = hscNextPhase dflags HsSrcFile hsc_lang
- output_fn <- get_output_fn dflags next_phase maybe_loc
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
extCoreName = basename ++ ".hcr" }
+ let hsc_env' = hsc_env {hsc_dflags = dflags'}
- ok <- hscCmmFile dflags' input_fn
+ hscCmmFile hsc_env' input_fn
- when (not ok) $ throwDyn (PhaseFailed "cmm" (ExitFailure 1))
+ -- XXX: catch errors above and convert them into ghcError? Original
+ -- code was:
+ --
+ --when (not ok) $ ghcError (PhaseFailed "cmm" (ExitFailure 1))
return (next_phase, dflags, maybe_loc, output_fn)
-- we don't support preprocessing .c files (with -E) now. Doing so introduces
-- way too many hacks, and I can't say I've ever used it anyway.
-runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc
+runPhase cc_phase _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
| cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc
- = do let cc_opts = getOpts dflags opt_c
+ = do let dflags = hsc_dflags hsc_env
+ let cc_opts = getOpts dflags opt_c
hcc = cc_phase `eqPhase` HCc
let cmdline_include_paths = includePaths dflags
-- HC files have the dependent packages stamped into them
- pkgs <- if hcc then getHCFilePackages input_fn else return []
+ pkgs <- if hcc then liftIO (getHCFilePackages input_fn) else return []
-- add package include paths even if we're just compiling .c
-- files; this is the Value Add(TM) that using ghc instead of
-- gcc gives you :)
- pkg_include_dirs <- getPackageIncludePath dflags pkgs
+ pkg_include_dirs <- liftIO $ getPackageIncludePath dflags pkgs
let include_paths = foldr (\ x xs -> "-I" : x : xs) []
(cmdline_include_paths ++ pkg_include_dirs)
let (md_c_flags, md_regd_c_flags) = machdepCCOpts dflags
- gcc_extra_viac_flags <- getExtraViaCOpts dflags
+ gcc_extra_viac_flags <- liftIO $ getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
let verb = getVerbFlag dflags
- pkg_extra_cc_opts <- getPackageExtraCcOpts dflags pkgs
+ -- cc-options are not passed when compiling .hc files. Our
+ -- hc code doesn't not #include any header files anyway, so these
+ -- options aren't necessary.
+ pkg_extra_cc_opts <-
+ if cc_phase `eqPhase` HCc
+ then return []
+ else liftIO $ getPackageExtraCcOpts dflags pkgs
+
+#ifdef darwin_TARGET_OS
+ pkg_framework_paths <- liftIO $ getPackageFrameworkPath dflags pkgs
+ let cmdline_framework_paths = frameworkPaths dflags
+ let framework_paths = map ("-F"++)
+ (cmdline_framework_paths ++ pkg_framework_paths)
+#endif
let split_objs = dopt Opt_SplitObjs dflags
split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ]
| otherwise = [ ]
- let excessPrecision = dopt Opt_ExcessPrecision dflags
-
let cc_opt | optLevel dflags >= 2 = "-O2"
| otherwise = "-O"
next_phase
| hcc && mangle = Mangle
| otherwise = As
- output_fn <- get_output_fn dflags next_phase maybe_loc
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
let
more_hcc_opts =
-- than a double, which leads to unpredictable results.
-- By default, we turn this off with -ffloat-store unless
-- the user specified -fexcess-precision.
- (if excessPrecision then [] else [ "-ffloat-store" ]) ++
+ (if dopt Opt_ExcessPrecision dflags
+ then []
+ else [ "-ffloat-store" ]) ++
#endif
-- gcc's -fstrict-aliasing allows two accesses to memory
-- to be considered non-aliasing if they have different types.
- SysTools.runCc dflags (
+ liftIO $ SysTools.runCc dflags (
-- force the C compiler to interpret this file as C when
-- compiling .hc files, by adding the -x c option.
-- Also useful for plain .c files, just in case GHC saw a
-- This is a temporary hack.
++ ["-mcpu=v9"]
#endif
+#if defined(darwin_TARGET_OS) && defined(i386_TARGET_ARCH)
+ -- By default, gcc on OS X will generate SSE
+ -- instructions, which need things 16-byte aligned,
+ -- but we don't 16-byte align things. Thus drop
+ -- back to generic i686 compatibility. Trac #2983.
+ ++ ["-march=i686"]
+#endif
++ (if hcc && mangle
then md_regd_c_flags
else [])
else [])
++ [ verb, "-S", "-Wimplicit", cc_opt ]
++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
+#ifdef darwin_TARGET_OS
+ ++ framework_paths
+#endif
++ cc_opts
++ split_opt
++ include_paths
-----------------------------------------------------------------------------
-- Mangle phase
-runPhase Mangle stop dflags _basename _suff input_fn get_output_fn maybe_loc
- = do let mangler_opts = getOpts dflags opt_m
+runPhase Mangle _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = do let dflags = hsc_dflags hsc_env
+ let mangler_opts = getOpts dflags opt_m
#if i386_TARGET_ARCH
machdep_opts <- return [ show (stolen_x86_regs dflags) ]
next_phase
| split = SplitMangle
| otherwise = As
- output_fn <- get_output_fn dflags next_phase maybe_loc
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
- SysTools.runMangle dflags (map SysTools.Option mangler_opts
+ liftIO $ SysTools.runMangle dflags (map SysTools.Option mangler_opts
++ [ SysTools.FileOption "" input_fn
, SysTools.FileOption "" output_fn
]
-----------------------------------------------------------------------------
-- Splitting phase
-runPhase SplitMangle stop dflags _basename _suff input_fn get_output_fn maybe_loc
- = do -- tmp_pfx is the prefix used for the split .s files
+runPhase SplitMangle _stop hsc_env _basename _suff input_fn _get_output_fn maybe_loc
+ = liftIO $
+ do -- tmp_pfx is the prefix used for the split .s files
-- We also use it as the file to contain the no. of split .s files (sigh)
+ let dflags = hsc_dflags hsc_env
split_s_prefix <- SysTools.newTempName dflags "split"
let n_files_fn = split_s_prefix
-- Save the number of split files for future references
s <- readFile n_files_fn
let n_files = read s :: Int
- writeIORef v_Split_info (split_s_prefix, n_files)
+ dflags' = dflags { splitInfo = Just (split_s_prefix, n_files) }
-- Remember to delete all these files
- addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s"
- | n <- [1..n_files]]
+ addFilesToClean dflags' [ split_s_prefix ++ "__" ++ show n ++ ".s"
+ | n <- [1..n_files]]
- return (SplitAs, dflags, maybe_loc, "**splitmangle**")
+ return (SplitAs, dflags', maybe_loc, "**splitmangle**")
-- we don't use the filename
-----------------------------------------------------------------------------
-- As phase
-runPhase As stop dflags _basename _suff input_fn get_output_fn maybe_loc
- = do let as_opts = getOpts dflags opt_a
+runPhase As _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = liftIO $
+ do let dflags = hsc_dflags hsc_env
+ let as_opts = getOpts dflags opt_a
let cmdline_include_paths = includePaths dflags
output_fn <- get_output_fn dflags StopLn maybe_loc
-- we create directories for the object file, because it
-- might be a hierarchical module.
- createDirectoryHierarchy (directoryOf output_fn)
+ createDirectoryHierarchy (takeDirectory output_fn)
+ let (md_c_flags, _) = machdepCCOpts dflags
SysTools.runAs dflags
(map SysTools.Option as_opts
++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ]
, SysTools.FileOption "" input_fn
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
- ])
+ ]
+ ++ map SysTools.Option md_c_flags)
return (StopLn, dflags, maybe_loc, output_fn)
-runPhase SplitAs stop dflags basename _suff _input_fn get_output_fn maybe_loc
- = do
- output_fn <- get_output_fn dflags StopLn maybe_loc
+runPhase SplitAs _stop hsc_env _basename _suff _input_fn get_output_fn maybe_loc
+ = liftIO $ do
+ let dflags = hsc_dflags hsc_env
+ output_fn <- get_output_fn dflags StopLn maybe_loc
- let (base_o, _) = splitFilename output_fn
- split_odir = base_o ++ "_split"
- osuf = objectSuf dflags
+ let base_o = dropExtension output_fn
+ split_odir = base_o ++ "_split"
+ osuf = objectSuf dflags
- createDirectoryHierarchy split_odir
+ createDirectoryHierarchy split_odir
- -- remove M_split/ *.o, because we're going to archive M_split/ *.o
- -- later and we don't want to pick up any old objects.
- fs <- getDirectoryContents split_odir
- mapM_ removeFile $ map (split_odir `joinFileName`)
- $ filter (osuf `isSuffixOf`) fs
+ -- remove M_split/ *.o, because we're going to archive M_split/ *.o
+ -- later and we don't want to pick up any old objects.
+ fs <- getDirectoryContents split_odir
+ mapM_ removeFile $ map (split_odir </>) $ filter (osuf `isSuffixOf`) fs
- let as_opts = getOpts dflags opt_a
+ let as_opts = getOpts dflags opt_a
- (split_s_prefix, n) <- readIORef v_Split_info
+ let (split_s_prefix, n) = case splitInfo dflags of
+ Nothing -> panic "No split info"
+ Just x -> x
- let split_s n = split_s_prefix ++ "__" ++ show n `joinFileExt` "s"
- split_obj n = split_odir `joinFileName`
- filenameOf base_o ++ "__" ++ show n
- `joinFileExt` osuf
+ let split_s n = split_s_prefix ++ "__" ++ show n <.> "s"
+ split_obj n = split_odir </>
+ takeFileName base_o ++ "__" ++ show n <.> osuf
- let assemble_file n
- = SysTools.runAs dflags
- (map SysTools.Option as_opts ++
- [ SysTools.Option "-c"
- , SysTools.Option "-o"
- , SysTools.FileOption "" (split_obj n)
- , SysTools.FileOption "" (split_s n)
- ])
-
- mapM_ assemble_file [1..n]
-
- -- and join the split objects into a single object file:
- let ld_r args = SysTools.runLink dflags ([
- SysTools.Option "-nostdlib",
- SysTools.Option "-nodefaultlibs",
- SysTools.Option "-Wl,-r",
- SysTools.Option ld_x_flag,
- SysTools.Option "-o",
- SysTools.FileOption "" output_fn ] ++ args)
+ let (md_c_flags, _) = machdepCCOpts dflags
+ let assemble_file n
+ = SysTools.runAs dflags
+ (map SysTools.Option as_opts ++
+#ifdef sparc_TARGET_ARCH
+ -- We only support SparcV9 and better because V8 lacks an atomic CAS
+ -- instruction so we have to make sure that the assembler accepts the
+ -- instruction set. Note that the user can still override this
+ -- (e.g., -mcpu=ultrasparc). GCC picks the "best" -mcpu flag
+ -- regardless of the ordering.
+ --
+ -- This is a temporary hack.
+ [ SysTools.Option "-mcpu=v9" ] ++
+#endif
+ [ SysTools.Option "-c"
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" (split_obj n)
+ , SysTools.FileOption "" (split_s n)
+ ]
+ ++ map SysTools.Option md_c_flags)
+
+ mapM_ assemble_file [1..n]
+
+ -- and join the split objects into a single object file:
+ let ld_r args = SysTools.runLink dflags ([
+ SysTools.Option "-nostdlib",
+ SysTools.Option "-nodefaultlibs",
+ SysTools.Option "-Wl,-r",
+ SysTools.Option ld_x_flag,
+ SysTools.Option "-o",
+ SysTools.FileOption "" output_fn ]
+ ++ map SysTools.Option md_c_flags
+ ++ args)
ld_x_flag | null cLD_X = ""
- | otherwise = "-Wl,-x"
-
- if cLdIsGNULd == "YES"
- then do
- let script = split_odir `joinFileName` "ld.script"
- writeFile script $
- "INPUT(" ++ unwords (map split_obj [1..n]) ++ ")"
- ld_r [SysTools.FileOption "" script]
- else do
- ld_r (map (SysTools.FileOption "" . split_obj) [1..n])
-
- return (StopLn, dflags, maybe_loc, output_fn)
-
-
+ | otherwise = "-Wl,-x"
+
+ if cLdIsGNULd == "YES"
+ then do
+ let script = split_odir </> "ld.script"
+ writeFile script $
+ "INPUT(" ++ unwords (map split_obj [1..n]) ++ ")"
+ ld_r [SysTools.FileOption "" script]
+ else do
+ ld_r (map (SysTools.FileOption "" . split_obj) [1..n])
+
+ return (StopLn, dflags, maybe_loc, output_fn)
+
+-- warning suppression
+runPhase other _stop _dflags _basename _suff _input_fn _get_output_fn _maybe_loc =
+ panic ("runPhase: don't know how to run phase " ++ show other)
-----------------------------------------------------------------------------
-- MoveBinary sort-of-phase
-- After having produced a binary, move it somewhere else and generate a
-- we don't need the generality of a phase (MoveBinary is always
-- done after linking and makes only sense in a parallel setup) -- HWL
-runPhase_MoveBinary dflags input_fn
- = do
+runPhase_MoveBinary :: DynFlags -> FilePath -> [PackageId] -> IO Bool
+runPhase_MoveBinary dflags input_fn dep_packages
+ | WayPar `elem` (wayNames dflags) && not opt_Static =
+ panic ("Don't know how to combine PVM wrapper and dynamic wrapper")
+ | WayPar `elem` (wayNames dflags) = do
let sysMan = pgm_sysman dflags
pvm_root <- getEnv "PVM_ROOT"
pvm_arch <- getEnv "PVM_ARCH"
- let
+ let
pvm_executable_base = "=" ++ input_fn
pvm_executable = pvm_root ++ "/bin/" ++ pvm_arch ++ "/" ++ pvm_executable_base
-- nuke old binary; maybe use configur'ed names for cp and rm?
- Panic.try (removeFile pvm_executable)
+ _ <- tryIO (removeFile pvm_executable)
-- move the newly created binary into PVM land
copy dflags "copying PVM executable" input_fn pvm_executable
-- generate a wrapper script for running a parallel prg under PVM
writeFile input_fn (mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan)
return True
+ | not opt_Static =
+ case (dynLibLoader dflags) of
+ Wrapped wrapmode ->
+ do
+ let (o_base, o_ext) = splitExtension input_fn
+ let wrapped_executable | o_ext == "exe" = (o_base ++ ".dyn") <.> o_ext
+ | otherwise = input_fn ++ ".dyn"
+ behaviour <- wrapper_behaviour dflags wrapmode dep_packages
+
+ -- THINKME isn't this possible to do a bit nicer?
+ let behaviour' = concatMap (\x -> if x=='\\' then "\\\\" else [x]) behaviour
+ renameFile input_fn wrapped_executable
+ let rtsDetails = (getPackageDetails (pkgState dflags) rtsPackageId);
+ SysTools.runCc dflags
+ ([ SysTools.FileOption "" ((head (libraryDirs rtsDetails)) ++ "/dyn-wrapper.c")
+ , SysTools.Option ("-DBEHAVIOUR=\"" ++ behaviour' ++ "\"")
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" input_fn
+ ] ++ map (SysTools.FileOption "-I") (includeDirs rtsDetails))
+ return True
+ _ -> return True
+ | otherwise = return True
+
+wrapper_behaviour :: DynFlags -> Maybe [Char] -> [PackageId] -> IO [Char]
+wrapper_behaviour dflags mode dep_packages =
+ let seperateBySemiColon strs = tail $ concatMap (';':) strs
+ in case mode of
+ Nothing -> do
+ pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
+ return ('H' : (seperateBySemiColon pkg_lib_paths))
+ Just s -> do
+ allpkg <- getPreloadPackagesAnd dflags dep_packages
+ putStrLn (unwords (map (packageIdString . packageConfigId) allpkg))
+ return $ 'F':s ++ ';':(seperateBySemiColon (map (packageIdString . packageConfigId) allpkg))
-- generates a Perl skript starting a parallel prg under PVM
mk_pvm_wrapper_script :: String -> String -> String -> String
]
-----------------------------------------------------------------------------
--- Complain about non-dynamic flags in OPTIONS pragmas
-
-checkProcessArgsResult flags filename
- = do when (notNull flags) (throwDyn (ProgramError (
- showSDoc (hang (text filename <> char ':')
- 4 (text "unknown flags in {-# OPTIONS #-} pragma:" <+>
- hsep (map text flags)))
- )))
-
------------------------------------------------------------------------------
-- Look for the /* GHC_PACKAGES ... */ comment at the top of a .hc file
getHCFilePackages :: FilePath -> IO [PackageId]
pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
let pkg_lib_path_opts = concat (map get_pkg_lib_path_opts pkg_lib_paths)
- get_pkg_lib_path_opts l | opt_HardwireLibPaths && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
- | otherwise = ["-L" ++ l]
+#ifdef linux_TARGET_OS
+ get_pkg_lib_path_opts l | (dynLibLoader dflags)==SystemDependent && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
+ | otherwise = ["-L" ++ l]
+#else
+ get_pkg_lib_path_opts l = ["-L" ++ l]
+#endif
let lib_paths = libraryPaths dflags
let lib_path_opts = map ("-L"++) lib_paths
+ -- The C "main" function is not in the rts but in a separate static
+ -- library libHSrtsmain.a that sits next to the rts lib files. Assuming
+ -- we're using a Haskell main function then we need to link it in.
+ let no_hs_main = dopt Opt_NoHsMain dflags
+ let main_lib | no_hs_main = []
+ | otherwise = [ "-lHSrtsmain" ]
+
pkg_link_opts <- getPackageLinkOpts dflags dep_packages
#ifdef darwin_TARGET_OS
framework_opts = concat [ ["-framework", fw] | fw <- reverse frameworks ]
-- reverse because they're added in reverse order from the cmd line
#endif
-
-- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
]
| otherwise = []
+ rc_objs <- maybeCreateManifest dflags output_fn
+
let (md_c_flags, _) = machdepCCOpts dflags
SysTools.runLink dflags (
[ SysTools.Option verb
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
+ ++ rc_objs
#ifdef darwin_TARGET_OS
++ framework_path_opts
++ framework_opts
#endif
++ pkg_lib_path_opts
+ ++ main_lib
++ pkg_link_opts
#ifdef darwin_TARGET_OS
++ pkg_framework_path_opts
))
-- parallel only: move binary to another dir -- HWL
- when (WayPar `elem` ways)
- (do success <- runPhase_MoveBinary dflags output_fn
- if success then return ()
- else throwDyn (InstallationError ("cannot move binary to PVM dir")))
+ success <- runPhase_MoveBinary dflags output_fn dep_packages
+ if success then return ()
+ else ghcError (InstallationError ("cannot move binary"))
exeFileName :: DynFlags -> FilePath
exeFileName dflags
- | Just s <- outputFile dflags =
+ | Just s <- outputFile dflags =
#if defined(mingw32_HOST_OS)
- if null (suffixOf s)
- then s `joinFileExt` "exe"
+ if null (takeExtension s)
+ then s <.> "exe"
else s
#else
s
"a.out"
#endif
+maybeCreateManifest
+ :: DynFlags
+ -> FilePath -- filename of executable
+ -> IO [FilePath] -- extra objects to embed, maybe
+#ifndef mingw32_TARGET_OS
+maybeCreateManifest _ _ = do
+ return []
+#else
+maybeCreateManifest dflags exe_filename = do
+ if not (dopt Opt_GenManifest dflags) then return [] else do
+
+ let manifest_filename = exe_filename <.> "manifest"
+
+ writeFile manifest_filename $
+ "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"++
+ " <assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\" manifestVersion=\"1.0\">\n"++
+ " <assemblyIdentity version=\"1.0.0.0\"\n"++
+ " processorArchitecture=\"X86\"\n"++
+ " name=\"" ++ dropExtension exe_filename ++ "\"\n"++
+ " type=\"win32\"/>\n\n"++
+ " <trustInfo xmlns=\"urn:schemas-microsoft-com:asm.v3\">\n"++
+ " <security>\n"++
+ " <requestedPrivileges>\n"++
+ " <requestedExecutionLevel level=\"asInvoker\" uiAccess=\"false\"/>\n"++
+ " </requestedPrivileges>\n"++
+ " </security>\n"++
+ " </trustInfo>\n"++
+ "</assembly>\n"
+
+ -- Windows will find the manifest file if it is named foo.exe.manifest.
+ -- However, for extra robustness, and so that we can move the binary around,
+ -- we can embed the manifest in the binary itself using windres:
+ if not (dopt Opt_EmbedManifest dflags) then return [] else do
+
+ rc_filename <- newTempName dflags "rc"
+ rc_obj_filename <- newTempName dflags (objectSuf dflags)
+
+ writeFile rc_filename $
+ "1 24 MOVEABLE PURE " ++ show manifest_filename ++ "\n"
+ -- magic numbers :-)
+ -- show is a bit hackish above, but we need to escape the
+ -- backslashes in the path.
+
+ let wr_opts = getOpts dflags opt_windres
+ runWindres dflags $ map SysTools.Option $
+ ["--input="++rc_filename,
+ "--output="++rc_obj_filename,
+ "--output-format=coff"]
+ ++ wr_opts
+ -- no FileOptions here: windres doesn't like seeing
+ -- backslashes, apparently
+
+ removeFile manifest_filename
+
+ return [rc_obj_filename]
+#endif
+
+
linkDynLib :: DynFlags -> [String] -> [PackageId] -> IO ()
linkDynLib dflags o_files dep_packages = do
let verb = getVerbFlag dflags
- let static = opt_Static
- let no_hs_main = dopt Opt_NoHsMain dflags
let o_file = outputFile dflags
- pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
- let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
+ -- We don't want to link our dynamic libs against the RTS package,
+ -- because the RTS lib comes in several flavours and we want to be
+ -- able to pick the flavour when a binary is linked.
+ pkgs <- getPreloadPackagesAnd dflags dep_packages
+
+ -- On Windows we need to link the RTS import lib as Windows does
+ -- not allow undefined symbols.
+#if !defined(mingw32_HOST_OS)
+ let pkgs_no_rts = filter ((/= rtsPackageId) . packageConfigId) pkgs
+#else
+ let pkgs_no_rts = pkgs
+#endif
+ let pkg_lib_paths = collectLibraryPaths pkgs_no_rts
+ let pkg_lib_path_opts = concatMap get_pkg_lib_path_opts pkg_lib_paths
+#ifdef linux_TARGET_OS
+ get_pkg_lib_path_opts l | (dynLibLoader dflags)==SystemDependent && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
+ | otherwise = ["-L" ++ l]
+#else
+ get_pkg_lib_path_opts l = ["-L" ++ l]
+#endif
let lib_paths = libraryPaths dflags
let lib_path_opts = map ("-L"++) lib_paths
- pkg_link_opts <- getPackageLinkOpts dflags dep_packages
+ let pkg_link_opts = collectLinkOpts dflags pkgs_no_rts
-- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
, SysTools.Option "-shared"
- , SysTools.Option "-Wl,--export-all-symbols"
, SysTools.FileOption "-Wl,--out-implib=" (output_fn ++ ".a")
]
++ map (SysTools.FileOption "") o_files
++ map SysTools.Option (
md_c_flags
++ o_files
- ++ [ "-undefined", "dynamic_lookup", "-single_module", "-Wl,-macosx_version_min","-Wl,10.3", "-install_name " ++ (pwd `joinFileName` output_fn) ]
+ ++ [ "-undefined", "dynamic_lookup", "-single_module", "-Wl,-macosx_version_min","-Wl,10.3", "-install_name " ++ (pwd </> output_fn) ]
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
md_c_flags
++ o_files
++ [ "-shared", "-Wl,-Bsymbolic" ] -- we need symbolic linking to resolve non-PIC intra-package-relocations
+ ++ [ "-Wl,-soname," ++ takeFileName output_fn ] -- set the library soname
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
, SysTools.FileOption "" output_fn
])
+cHaskell1Version :: String
cHaskell1Version = "5" -- i.e., Haskell 98
+hsSourceCppOpts :: [String]
-- Default CPP defines in Haskell source
hsSourceCppOpts =
[ "-D__HASKELL1__="++cHaskell1Version
-- Misc.
hscNextPhase :: DynFlags -> HscSource -> HscTarget -> Phase
-hscNextPhase dflags HsBootFile hsc_lang = StopLn
-hscNextPhase dflags other hsc_lang =
+hscNextPhase _ HsBootFile _ = StopLn
+hscNextPhase dflags _ hsc_lang =
case hsc_lang of
HscC -> HCc
HscAsm | dopt Opt_SplitObjs dflags -> SplitMangle
hscMaybeAdjustTarget :: DynFlags -> Phase -> HscSource -> HscTarget -> HscTarget
-hscMaybeAdjustTarget dflags stop other current_hsc_lang
+hscMaybeAdjustTarget dflags stop _ current_hsc_lang
= hsc_lang
where
keep_hc = dopt Opt_KeepHcFiles dflags
-- otherwise, stick to the plan
| otherwise = current_hsc_lang
-GLOBAL_VAR(v_Split_info, ("",0), (String,Int))
- -- The split prefix and number of files
projects / ghc-hetmet.git / blobdiff