X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fmain%2FDriverPipeline.hs;h=1849c6b91e09b5dccdf068215a2dd418d6c42efb;hp=cf6bff18eef2321a61a693a8ff6bf19fdca2dc68;hb=d436c70d43fb905c63220040168295e473f4b90a;hpb=2ebe8addfaae2bc65e6b87ad369928b02053014f diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs index cf6bff1..1849c6b 100644 --- a/compiler/main/DriverPipeline.hs +++ b/compiler/main/DriverPipeline.hs @@ -1,3 +1,6 @@ +{-# OPTIONS -fno-cse #-} +-- -fno-cse is needed for GLOBAL_VAR's to behave properly + ----------------------------------------------------------------------------- -- -- GHC Driver @@ -16,7 +19,7 @@ module DriverPipeline ( -- Interfaces for the compilation manager (interpreted/batch-mode) preprocess, - compile, CompResult(..), + compile, compile', link, ) where @@ -32,10 +35,10 @@ import Finder 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 @@ -43,148 +46,168 @@ import StringBuffer ( hGetStringBuffer ) 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 @@ -193,24 +216,27 @@ compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do -- 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) @@ -231,14 +257,14 @@ compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do -- -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 @@ -247,10 +273,10 @@ compileStub dflags mod location = do -- --------------------------------------------------------------------------- -- 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 @@ -261,88 +287,148 @@ link :: GhcLink -- interactive or batch -- 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 @@ -358,11 +444,11 @@ compileFile dflags stop_phase (src, mb_phase) = do 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 @@ -376,51 +462,61 @@ doLink dflags stop_phase o_files 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 @@ -430,7 +526,7 @@ runPipeline stop_phase dflags (input_fn, mb_phase) mb_basename output maybe_loc -- 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)) @@ -440,8 +536,8 @@ runPipeline stop_phase dflags (input_fn, mb_phase) mb_basename output maybe_loc -- 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 @@ -451,7 +547,7 @@ runPipeline stop_phase dflags (input_fn, mb_phase) mb_basename output maybe_loc 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 ++ "'") @@ -461,18 +557,19 @@ runPipeline stop_phase dflags (input_fn, mb_phase) mb_basename output maybe_loc -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 @@ -483,11 +580,12 @@ pipeLoop dflags phase stop_phase " 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 @@ -530,16 +628,16 @@ getOutputFilename stop_phase output basename | 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 @@ -547,20 +645,21 @@ getOutputFilename stop_phase output basename -- 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 @@ -569,18 +668,24 @@ runPhase :: Phase -- Do this phase first ------------------------------------------------------------------------------- -- 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) @@ -588,33 +693,37 @@ runPhase (Unlit sf) _stop dflags _basename _suff input_fn get_output_fn maybe_lo -- 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 @@ -628,13 +737,16 @@ runPhase (HsPp sf) _stop dflags basename suff input_fn get_output_fn maybe_loc -- 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 } @@ -642,13 +754,14 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma -- 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 @@ -656,7 +769,7 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma -- 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 @@ -691,20 +804,20 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma -- 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 @@ -712,21 +825,19 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma -- 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, @@ -739,51 +850,56 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma 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) @@ -793,37 +909,49 @@ runPhase Cmm stop dflags basename suff input_fn get_output_fn maybe_loc -- 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" @@ -833,7 +961,7 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc 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 = @@ -842,7 +970,9 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc -- 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. @@ -852,7 +982,7 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc - 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 @@ -875,6 +1005,13 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc -- 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 []) @@ -890,6 +1027,9 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc else []) ++ [ verb, "-S", "-Wimplicit", cc_opt ] ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] +#ifdef darwin_TARGET_OS + ++ framework_paths +#endif ++ cc_opts ++ split_opt ++ include_paths @@ -903,8 +1043,9 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc ----------------------------------------------------------------------------- -- 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) ] @@ -916,9 +1057,9 @@ runPhase Mangle stop dflags _basename _suff input_fn get_output_fn maybe_loc 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 ] @@ -929,9 +1070,11 @@ runPhase Mangle stop dflags _basename _suff input_fn get_output_fn maybe_loc ----------------------------------------------------------------------------- -- 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 @@ -944,28 +1087,31 @@ runPhase SplitMangle stop dflags _basename _suff input_fn get_output_fn maybe_lo -- 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 ] @@ -983,70 +1129,88 @@ runPhase As stop dflags _basename _suff input_fn get_output_fn maybe_loc , 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 @@ -1058,21 +1222,58 @@ runPhase SplitAs stop dflags basename _suff _input_fn get_output_fn maybe_loc -- 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 @@ -1132,16 +1333,6 @@ mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $ ] ----------------------------------------------------------------------------- --- 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] @@ -1178,12 +1369,23 @@ linkBinary dflags o_files dep_packages = do 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 @@ -1200,7 +1402,6 @@ linkBinary dflags o_files dep_packages = do 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 @@ -1231,6 +1432,8 @@ linkBinary dflags o_files dep_packages = do ] | otherwise = [] + rc_objs <- maybeCreateManifest dflags output_fn + let (md_c_flags, _) = machdepCCOpts dflags SysTools.runLink dflags ( [ SysTools.Option verb @@ -1243,11 +1446,13 @@ linkBinary dflags o_files dep_packages = do ++ 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 @@ -1258,18 +1463,17 @@ linkBinary dflags o_files dep_packages = do )) -- 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 @@ -1281,20 +1485,94 @@ exeFileName dflags "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 $ + "\n"++ + " \n"++ + " \n\n"++ + " \n"++ + " \n"++ + " \n"++ + " \n"++ + " \n"++ + " \n"++ + " \n"++ + "\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 @@ -1312,7 +1590,6 @@ linkDynLib dflags o_files dep_packages = do , 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 @@ -1367,7 +1644,7 @@ linkDynLib dflags o_files dep_packages = do ++ 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 @@ -1390,6 +1667,7 @@ linkDynLib dflags o_files dep_packages = do 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 @@ -1450,8 +1728,10 @@ doCpp dflags raw include_cc_opts input_fn output_fn = do , SysTools.FileOption "" output_fn ]) +cHaskell1Version :: String cHaskell1Version = "5" -- i.e., Haskell 98 +hsSourceCppOpts :: [String] -- Default CPP defines in Haskell source hsSourceCppOpts = [ "-D__HASKELL1__="++cHaskell1Version @@ -1465,8 +1745,8 @@ hsSourceCppOpts = -- 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 @@ -1477,7 +1757,7 @@ hscNextPhase dflags other hsc_lang = 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 @@ -1491,5 +1771,3 @@ hscMaybeAdjustTarget dflags stop other current_hsc_lang -- otherwise, stick to the plan | otherwise = current_hsc_lang -GLOBAL_VAR(v_Split_info, ("",0), (String,Int)) - -- The split prefix and number of files