-- Interfaces for the compilation manager (interpreted/batch-mode)
preprocess,
- compile,
+ compile, compile',
link,
) where
import Data.Either
import Exception
-import Data.IORef ( readIORef, writeIORef, IORef )
+import Data.IORef ( readIORef )
import GHC.Exts ( Int(..) )
import System.Directory
import System.FilePath
-> Maybe Linkable -- ^ old linkable, if we have one
-> m HomeModInfo -- ^ the complete HomeModInfo, if successful
-compile hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
+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
= ASSERT (isJust maybe_old_linkable)
return maybe_old_linkable
- handleBatch (HscRecomp hasStub)
+ handleBatch (HscRecomp hasStub _)
| isHsBoot src_flavour
= do when (isObjectTarget hsc_lang) $ -- interpreted reaches here too
liftIO $ SysTools.touch dflags' "Touching object file"
(hs_unlinked ++ stub_unlinked)
return (Just linkable)
- handleInterpreted InteractiveNoRecomp
+ handleInterpreted HscNoRecomp
= ASSERT (isJust maybe_old_linkable)
return maybe_old_linkable
- handleInterpreted (InteractiveRecomp hasStub comp_bc modBreaks)
+ 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 modBreaks]
unlinked_time = ms_hs_date summary
hm_linkable = linkable })
-- run the compiler
case hsc_lang of
- HscInterpreted
- | isHsBoot src_flavour ->
- runCompiler hscCompileNothing handleBatch
- | otherwise ->
- runCompiler hscCompileInteractive handleInterpreted
+ HscInterpreted ->
+ runCompiler interactiveCompiler handleInterpreted
HscNothing ->
- runCompiler hscCompileNothing handleBatch
+ runCompiler nothingCompiler handleBatch
_other ->
- runCompiler hscCompileBatch handleBatch
+ runCompiler batchCompiler handleBatch
+
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
compileStub :: GhcMonad m => HscEnv -> Module -> ModLocation
-> m FilePath
compileStub hsc_env mod location = do
- let (o_base, o_ext) = splitExtension (ml_obj_file location)
- stub_o = (o_base ++ "_stub") <.> o_ext
-
-- compile the _stub.c file w/ gcc
- let (stub_c,_,_) = mkStubPaths (hsc_dflags hsc_env) (moduleName mod) location
+ 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 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
text " Main.main not exported; not linking.")
return Succeeded
--- warning suppression
-link other _ _ _ = panicBadLink other
-
-panicBadLink :: GhcLink -> a
-panicBadLink other = panic ("link: GHC not built to link this way: " ++
- show other)
-
linkingNeeded :: DynFlags -> [Linkable] -> [PackageId] -> IO Bool
linkingNeeded dflags linkables pkg_deps = do
src_opts <- liftIO $ getOptionsFromFile dflags0 input_fn
(dflags, unhandled_flags, warns)
<- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
- liftIO $ handleFlagWarnings dflags warns -- XXX: may exit the program
- liftIO $ checkProcessArgsResult unhandled_flags -- XXX: may throw program error
+ handleFlagWarnings dflags warns
+ checkProcessArgsResult unhandled_flags
if not (dopt Opt_Cpp dflags) then
-- no need to preprocess CPP, just pass input file along
m <- liftIO $ getCoreModuleName input_fn
return (Nothing, mkModuleName m, [], [])
- _ -> liftIO $ do
- buf <- hGetStringBuffer input_fn
+ _ -> 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)
-- 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)
- (HscRecomp hasStub)
+ (HscRecomp hasStub _)
-> do when hasStub $
do stub_o <- compileStub hsc_env' mod location4
liftIO $ consIORef v_Ld_inputs stub_o
-- 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 [])
-- 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
-----------------------------------------------------------------------------
-- might be a hierarchical module.
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)
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 <.> "s"
split_obj n = split_odir </>
takeFileName base_o ++ "__" ++ show n <.> osuf
+ 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]
SysTools.Option "-Wl,-r",
SysTools.Option ld_x_flag,
SysTools.Option "-o",
- SysTools.FileOption "" output_fn ] ++ args)
+ SysTools.FileOption "" output_fn ]
+ ++ map SysTools.Option md_c_flags
+ ++ args)
ld_x_flag | null cLD_X = ""
| otherwise = "-Wl,-x"
Wrapped wrapmode ->
do
let (o_base, o_ext) = splitExtension input_fn
- let wrapped_executable | o_ext == "exe" = (o_base ++ "_real") <.> o_ext
- | otherwise = input_fn ++ "_real"
+ 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 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
-#ifdef mingw32_TARGET_OS
- let dynMain = if not opt_Static then
- (head (libraryDirs (getPackageDetails (pkgState dflags) rtsPackageId))) ++ "/Main.dyn_o"
- else
- ""
-#endif
-- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
++ map SysTools.Option (
md_c_flags
++ o_files
-#ifdef mingw32_TARGET_OS
- ++ [dynMain]
-#endif
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
++ framework_opts
#endif
++ pkg_lib_path_opts
+ ++ main_lib
++ pkg_link_opts
#ifdef darwin_TARGET_OS
++ pkg_framework_path_opts
-- no FileOptions here: windres doesn't like seeing
-- backslashes, apparently
+ removeFile manifest_filename
+
return [rc_obj_filename]
#endif
-- 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
- let pkgs_no_rts = filter ((/= rtsPackageId) . packageConfigId) pkgs
+ -- 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 = map ("-L"++) pkg_lib_paths
+ 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
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
-- otherwise, stick to the plan
| otherwise = current_hsc_lang
-GLOBAL_VAR(v_Split_info, ("",0), (String,Int))
- -- The split prefix and number of files
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