import SrcLoc
import FastString
import LlvmCodeGen ( llvmFixupAsm )
--- import MonadUtils
+import MonadUtils
-- import Data.Either
import Exception
-- We return the augmented DynFlags, because they contain the result
-- of slurping in the OPTIONS pragmas
-preprocess :: GhcMonad m =>
- HscEnv
+preprocess :: HscEnv
-> (FilePath, Maybe Phase) -- ^ filename and starting phase
- -> m (DynFlags, FilePath)
+ -> IO (DynFlags, FilePath)
preprocess hsc_env (filename, mb_phase) =
ASSERT2(isJust mb_phase || isHaskellSrcFilename filename, text filename)
runPipeline anyHsc hsc_env (filename, mb_phase)
--
-- 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.
+-- reading the OPTIONS pragma from the source file, converting the
+-- C or assembly that GHC produces into an object file, and compiling
+-- FFI stub files.
--
-- NB. No old interface can also mean that the source has changed.
-compile :: GhcMonad m =>
- HscEnv
+compile :: 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
+ -> IO 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))
+compile' ::
+ (Compiler (HscStatus, ModIface, ModDetails),
+ Compiler (InteractiveStatus, ModIface, ModDetails),
+ Compiler (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
+ -> IO HomeModInfo -- ^ the complete HomeModInfo, if successful
compile' (nothingCompiler, interactiveCompiler, batchCompiler)
hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
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)
+ debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
let basename = dropExtension input_fn
-- ... 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 <- liftIO $ getOutputFilename next_phase
+ output_fn <- getOutputFilename next_phase
Temporary basename dflags next_phase (Just location)
let dflags' = dflags { hscTarget = hsc_lang,
Persistent
(Just location)
-- The object filename comes from the ModLocation
- o_time <- liftIO $ getModificationTime object_filename
+ o_time <- getModificationTime object_filename
return ([DotO object_filename], o_time)
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
hm_linkable = linkable })
-- run the compiler
case hsc_lang of
- HscInterpreted ->
- runCompiler interactiveCompiler handleInterpreted
- HscNothing ->
- runCompiler nothingCompiler handleBatch
- _other ->
- runCompiler batchCompiler 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 :: GhcMonad m => HscEnv -> Module -> ModLocation
- -> m FilePath
+compileStub :: HscEnv -> Module -> ModLocation -> IO FilePath
compileStub hsc_env mod location = do
-- compile the _stub.c file w/ gcc
let (stub_c,_,stub_o) = mkStubPaths (hsc_dflags hsc_env)
-- -----------------------------------------------------------------------------
-- Compile files in one-shot mode.
-oneShot :: GhcMonad m =>
- HscEnv -> Phase -> [(String, Maybe Phase)] -> m ()
+oneShot :: HscEnv -> Phase -> [(String, Maybe Phase)] -> IO ()
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
+ doLink (hsc_dflags hsc_env) stop_phase o_files
-compileFile :: GhcMonad m =>
- HscEnv -> Phase -> (FilePath, Maybe Phase) -> m FilePath
+compileFile :: HscEnv -> Phase -> (FilePath, Maybe Phase) -> IO FilePath
compileFile hsc_env stop_phase (src, mb_phase) = do
- exists <- liftIO $ doesFileExist src
+ exists <- doesFileExist src
when (not exists) $
ghcError (CmdLineError ("does not exist: " ++ src))
-- OPTIONS_GHC pragmas), and the changes affect later phases in the
-- pipeline.
runPipeline
- :: GhcMonad m =>
- Phase -- ^ When to stop
+ :: 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)
+ -> IO (DynFlags, FilePath) -- ^ (final flags, output filename)
runPipeline stop_phase hsc_env0 (input_fn, mb_phase) mb_basename output maybe_loc
= do
case output of
Temporary ->
return (dflags', output_fn)
- _other -> liftIO $
+ _other ->
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 :: GhcMonad m =>
- HscEnv -> Phase -> Phase
+pipeLoop :: HscEnv -> Phase -> Phase
-> FilePath -> String -> Suffix
-> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
-> Maybe ModLocation
- -> m (DynFlags, FilePath, Maybe ModLocation)
+ -> IO (DynFlags, FilePath, Maybe ModLocation)
pipeLoop hsc_env phase stop_phase
input_fn orig_basename orig_suff
" but I wanted to stop at phase " ++ show stop_phase)
| otherwise
- = do liftIO $ debugTraceMsg (hsc_dflags hsc_env) 4
- (ptext (sLit "Running phase") <+> ppr phase)
+ = do debugTraceMsg (hsc_dflags hsc_env) 4
+ (ptext (sLit "Running phase") <+> ppr phase)
(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
-- 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 :: GhcMonad m =>
- Phase -- ^ Do this phase first
+runPhase :: Phase -- ^ Do this phase first
-> Phase -- ^ Stop just before this phase
-> HscEnv
-> String -- ^ basename of original input source
-> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
-- ^ 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
+ -> IO (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
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
+ output_fn <- get_output_fn dflags (Cpp sf) maybe_loc
let unlit_flags = getOpts dflags opt_L
flags = map SysTools.Option unlit_flags ++
, SysTools.FileOption "" output_fn
]
- liftIO $ SysTools.runUnlit dflags flags
+ SysTools.runUnlit dflags flags
return (Cpp sf, dflags, maybe_loc, output_fn)
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
+ src_opts <- getOptionsFromFile dflags0 input_fn
(dflags1, unhandled_flags, warns)
- <- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
+ <- parseDynamicNoPackageFlags dflags0 src_opts
checkProcessArgsResult unhandled_flags
if not (xopt Opt_Cpp dflags1) then do
-- to the next phase of the pipeline.
return (HsPp sf, dflags1, maybe_loc, input_fn)
else do
- output_fn <- liftIO $ get_output_fn dflags1 (HsPp sf) maybe_loc
- liftIO $ doCpp dflags1 True{-raw-} False{-no CC opts-} input_fn output_fn
+ output_fn <- get_output_fn dflags1 (HsPp sf) maybe_loc
+ doCpp dflags1 True{-raw-} False{-no CC opts-} input_fn output_fn
-- re-read the pragmas now that we've preprocessed the file
-- See #2464,#3457
- src_opts <- liftIO $ getOptionsFromFile dflags0 output_fn
+ src_opts <- getOptionsFromFile dflags0 output_fn
(dflags2, unhandled_flags, warns)
- <- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
+ <- parseDynamicNoPackageFlags dflags0 src_opts
unless (dopt Opt_Pp dflags2) $ handleFlagWarnings dflags2 warns
-- the HsPp pass below will emit warnings
checkProcessArgsResult unhandled_flags
else do
let hspp_opts = getOpts dflags opt_F
let orig_fn = basename <.> suff
- output_fn <- liftIO $ get_output_fn dflags (Hsc sf) maybe_loc
- liftIO $ SysTools.runPp dflags
+ output_fn <- get_output_fn dflags (Hsc sf) maybe_loc
+ SysTools.runPp dflags
( [ SysTools.Option orig_fn
, SysTools.Option input_fn
, SysTools.FileOption "" output_fn
)
-- re-read pragmas now that we've parsed the file (see #3674)
- src_opts <- liftIO $ getOptionsFromFile dflags output_fn
+ src_opts <- getOptionsFromFile dflags output_fn
(dflags1, unhandled_flags, warns)
- <- liftIO $ parseDynamicNoPackageFlags dflags src_opts
+ <- parseDynamicNoPackageFlags dflags src_opts
handleFlagWarnings dflags1 warns
checkProcessArgsResult unhandled_flags
(hspp_buf,mod_name,imps,src_imps) <-
case src_flavour of
ExtCoreFile -> do -- no explicit imports in ExtCore input.
- m <- liftIO $ getCoreModuleName input_fn
+ m <- getCoreModuleName input_fn
return (Nothing, mkModuleName m, [], [])
_ -> do
- buf <- liftIO $ hGetStringBuffer input_fn
+ buf <- hGetStringBuffer input_fn
(src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn (basename <.> suff)
return (Just buf, mod_name, imps, src_imps)
-- 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 <- liftIO $ mkHomeModLocation2 dflags mod_name basename suff
+ location1 <- 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 <- liftIO $ getModificationTime (basename <.> suff)
+ src_timestamp <- getModificationTime (basename <.> suff)
let force_recomp = dopt Opt_ForceRecomp dflags
hsc_lang = hscMaybeAdjustTarget dflags stop src_flavour (hscTarget dflags)
-- (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 <- liftIO $ doesFileExist o_file
+ else do o_file_exists <- doesFileExist o_file
if not o_file_exists
then return False -- Need to recompile
- else do t2 <- liftIO $ getModificationTime o_file
+ else do t2 <- getModificationTime o_file
if t2 > src_timestamp
then return True
else return False
-- get the DynFlags
let next_phase = hscNextPhase dflags src_flavour hsc_lang
- output_fn <- liftIO $ get_output_fn dflags next_phase (Just location4)
+ output_fn <- get_output_fn dflags next_phase (Just location4)
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
let hsc_env' = hsc_env {hsc_dflags = dflags'}
-- Tell the finder cache about this module
- mod <- liftIO $ addHomeModuleToFinder hsc_env' mod_name location4
+ mod <- addHomeModuleToFinder hsc_env' mod_name location4
-- Make the ModSummary to hand to hscMain
let
case result of
HscNoRecomp
- -> do liftIO $ SysTools.touch dflags' "Touching object file" o_file
+ -> do 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).
-- In the case of hs-boot files, generate a dummy .o-boot
-- stamp file for the benefit of Make
when (isHsBoot src_flavour) $
- liftIO $ SysTools.touch dflags' "Touching object file" o_file
+ SysTools.touch dflags' "Touching object file" o_file
return (next_phase, dflags', Just location4, output_fn)
-----------------------------------------------------------------------------
runPhase CmmCpp _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 Cmm maybe_loc
- liftIO $ doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
+ output_fn <- get_output_fn dflags Cmm maybe_loc
+ doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
return (Cmm, dflags, maybe_loc, output_fn)
runPhase Cmm stop hsc_env basename _ input_fn get_output_fn maybe_loc
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 <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ output_fn <- 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'}
- hscCmmFile hsc_env' input_fn
+ hscCompileCmmFile hsc_env' input_fn
-- XXX: catch errors above and convert them into ghcError? Original
-- code was:
let cmdline_include_paths = includePaths dflags
-- HC files have the dependent packages stamped into them
- pkgs <- if hcc then liftIO (getHCFilePackages input_fn) else return []
+ pkgs <- if hcc then 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 <- liftIO $ getPackageIncludePath dflags pkgs
+ pkg_include_dirs <- 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 <- liftIO $ getExtraViaCOpts dflags
+ gcc_extra_viac_flags <- getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
let verb = getVerbFlag dflags
pkg_extra_cc_opts <-
if cc_phase `eqPhase` HCc
then return []
- else liftIO $ getPackageExtraCcOpts dflags pkgs
+ else getPackageExtraCcOpts dflags pkgs
#ifdef darwin_TARGET_OS
- pkg_framework_paths <- liftIO $ getPackageFrameworkPath dflags pkgs
+ pkg_framework_paths <- getPackageFrameworkPath dflags pkgs
let cmdline_framework_paths = frameworkPaths dflags
let framework_paths = map ("-F"++)
(cmdline_framework_paths ++ pkg_framework_paths)
next_phase
| hcc && mangle = Mangle
| otherwise = As
- output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ output_fn <- get_output_fn dflags next_phase maybe_loc
let
more_hcc_opts =
-- very weakly typed, being derived from C--.
["-fno-strict-aliasing"]
- liftIO $ SysTools.runCc dflags (
+ 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
next_phase
| split = SplitMangle
| otherwise = As
- output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ output_fn <- get_output_fn dflags next_phase maybe_loc
- liftIO $ SysTools.runMangle dflags (map SysTools.Option mangler_opts
+ SysTools.runMangle dflags (map SysTools.Option mangler_opts
++ [ SysTools.FileOption "" input_fn
, SysTools.FileOption "" output_fn
]
-- Splitting phase
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
+ = 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"
-- As phase
runPhase As _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
- = liftIO $
- do let dflags = hsc_dflags hsc_env
+ = do let dflags = hsc_dflags hsc_env
let as_opts = getOpts dflags opt_a
let cmdline_include_paths = includePaths dflags
runPhase SplitAs _stop hsc_env _basename _suff _input_fn get_output_fn maybe_loc
- = liftIO $ do
+ = do
let dflags = hsc_dflags hsc_env
output_fn <- get_output_fn dflags StopLn maybe_loc
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 </> "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])
+ -- join them into a single .o file
+ joinObjectFiles dflags (map split_obj [1..n]) output_fn
return (StopLn, dflags, maybe_loc, output_fn)
-
-----------------------------------------------------------------------------
-- LlvmOpt phase
runPhase LlvmOpt _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
- = liftIO $ do
+ = do
let dflags = hsc_dflags hsc_env
let lo_opts = getOpts dflags opt_lo
let opt_lvl = max 0 (min 2 $ optLevel dflags)
-- LlvmLlc phase
runPhase LlvmLlc _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
- = liftIO $ do
+ = do
let dflags = hsc_dflags hsc_env
let lc_opts = getOpts dflags opt_lc
let opt_lvl = max 0 (min 2 $ optLevel dflags)
-- LlvmMangle phase
runPhase LlvmMangle _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
- = liftIO $ do
+ = do
let dflags = hsc_dflags hsc_env
output_fn <- get_output_fn dflags As maybe_loc
llvmFixupAsm input_fn output_fn
hsSourceCppOpts =
[ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
+-- ---------------------------------------------------------------------------
+-- join object files into a single relocatable object file, using ld -r
+
+joinObjectFiles :: DynFlags -> [FilePath] -> FilePath -> IO ()
+joinObjectFiles dflags o_files output_fn = do
+ 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"
+
+ (md_c_flags, _) = machdepCCOpts dflags
+
+ if cLdIsGNULd == "YES"
+ then do
+ script <- newTempName dflags "ldscript"
+ writeFile script $ "INPUT(" ++ unwords o_files ++ ")"
+ ld_r [SysTools.FileOption "" script]
+ else do
+ ld_r (map (SysTools.FileOption "") o_files)
-- -----------------------------------------------------------------------------
-- Misc.
projects / ghc-hetmet.git / blobdiff