+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
-----------------------------------------------------------------------------
--
-- GHC Driver
-- Interfaces for the compilation manager (interpreted/batch-mode)
preprocess,
- compile, CompResult(..),
+ compile,
link,
) where
import UniqFM ( eltsUFM )
import ErrUtils
import DynFlags
-import StaticFlags ( v_Ld_inputs, opt_Static, WayName(..) )
+import StaticFlags ( v_Ld_inputs, opt_Static, opt_HardwireLibPaths, WayName(..) )
import Config
import Panic
import Util
-- 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
+ -> ModSummary -- summary for module being compiled
+ -> Int -> Int -- module N of M
+ -> Maybe ModIface -- old interface, if we have one
+ -> Maybe Linkable -- old linkable, if we have one
+ -> IO (Maybe HomeModInfo) -- the complete HomeModInfo, if successful
+
+compile hsc_env 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
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 location = ms_location summary
let input_fn = expectJust "compile:hs" (ml_hs_file location)
- let input_fnpp = ms_hspp_file mod_summary
+ let input_fnpp = ms_hspp_file summary
debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
= do stub_o <- compileStub dflags' 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
+ 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)
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 InteractiveNoRecomp
= ASSERT (isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
- handleInterpreted (InteractiveRecomp hasStub comp_bc, iface, details)
+ return maybe_old_linkable
+ handleInterpreted (InteractiveRecomp hasStub comp_bc modBreaks)
= do stub_unlinked <- getStubLinkable hasStub
- let hs_unlinked = [BCOs comp_bc]
- unlinked_time = ms_hs_date mod_summary
+ let hs_unlinked = [BCOs comp_bc modBreaks]
+ unlinked_time = ms_hs_date summary
-- Why do we use the timestamp of the source file here,
-- rather than the current time? This works better in
-- the case where the local clock is out of sync
-- be out of date.
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
- return (CompOK details iface (Just linkable))
+ return (Just linkable)
- let runCompiler compiler handle
- = do mbResult <- compiler hsc_env' mod_summary
- source_unchanged old_iface
+ let -- runCompiler :: Compiler result -> (result -> Maybe Linkable)
+ -- -> IO (Maybe HomeModInfo)
+ runCompiler compiler handle
+ = do mbResult <- compiler hsc_env' summary source_unchanged mb_old_iface
(Just (mod_index, nmods))
case mbResult of
- Nothing -> return CompErrs
- Just result -> handle result
+ Nothing -> return Nothing
+ Just (result, iface, details) -> do
+ linkable <- handle result
+ return (Just 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
+ | isHsBoot src_flavour ->
+ runCompiler hscCompileNothing handleBatch
+ | otherwise ->
+ runCompiler hscCompileInteractive handleInterpreted
+ HscNothing ->
+ runCompiler hscCompileNothing handleBatch
+ _other ->
+ runCompiler hscCompileBatch handleBatch
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
-- ---------------------------------------------------------------------------
-- 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
#ifdef GHCI
link LinkInMemory dflags batch_attempt_linking hpt
= do -- Not Linking...(demand linker will do the job)
- return Succeeded
+ return Succeeded
#endif
link NoLink dflags batch_attempt_linking hpt
link LinkBinary 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
-
- let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
- obj_files = concatMap getOfiles linkables
-
- 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)
-
- 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 "...")
-
- -- 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
+ -- 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
+
+ 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
+ extra_ld_inputs <- readIORef v_Ld_inputs
+ extra_times <- mapM (IO.try . getModificationTime) extra_ld_inputs
+ let other_times = map linkableTime linkables
+ ++ [ t' | Right t' <- extra_times ]
+ linking_needed
+ | Left _ <- e_exe_time = True
+ | Right t <- e_exe_time = any (t <) other_times
+
+ 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 "...")
+
+ -- 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
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
-
-- -----------------------------------------------------------------------------
-- Compile files in one-shot mode.
-> 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
+runPipeline stop_phase dflags0 (input_fn, mb_phase) mb_basename output maybe_loc
= do
- let (input_basename, suffix) = splitFilename input_fn
+ let
+ (input_basename, suffix) = splitFilename input_fn
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 ++ ".") }
+
-- If we were given a -x flag, then use that phase to start from
start_phase = fromMaybe (startPhase suffix) mb_phase
dflags = dflags0 { includePaths = current_dir : paths }
-- gather the imports and module name
- (hspp_buf,mod_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) }
+ ; return (Nothing, mkModuleName m, [], []) }
other -> do { buf <- hGetStringBuffer input_fn
- ; (_,_,L _ mod_name) <- getImports dflags buf input_fn
- ; return (Just buf, mod_name) }
+ ; (src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn (basename `joinFileExt` 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
ms_location = location4,
ms_hs_date = src_timestamp,
ms_obj_date = Nothing,
- ms_imps = unused_field,
- ms_srcimps = unused_field }
+ ms_imps = imps,
+ ms_srcimps = src_imps }
-- run the compiler!
mbResult <- hscCompileOneShot hsc_env
(cmdline_include_paths ++ pkg_include_dirs)
let (md_c_flags, md_regd_c_flags) = machdepCCOpts dflags
+ gcc_extra_viac_flags <- getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
let verb = getVerbFlag dflags
++ (if hcc && mangle
then md_regd_c_flags
else [])
+ ++ (if hcc
+ then if mangle
+ then gcc_extra_viac_flags
+ else filter (=="-fwrapv")
+ gcc_extra_viac_flags
+ -- still want -fwrapv even for unreg'd
+ else [])
++ (if hcc
then more_hcc_opts
else [])
++ split_opt
++ include_paths
++ pkg_extra_cc_opts
-#ifdef HAVE_GCC_HAS_WRAPV
- -- We need consistent integer overflow (trac #952)
- ++ ["-fwrapv"]
-#endif
))
return (next_phase, dflags, maybe_loc, output_fn)
-- dependencies, and eliminating duplicates.
pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
- let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
+ 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]
let lib_paths = libraryPaths dflags
let lib_path_opts = map ("-L"++) lib_paths
]
| otherwise = []
+ rc_objs <- maybeCreateManifest dflags output_fn
+
let (md_c_flags, _) = machdepCCOpts dflags
SysTools.runLink dflags (
[ SysTools.Option verb
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
+ ++ rc_objs
#ifdef darwin_TARGET_OS
++ framework_path_opts
++ framework_opts
"a.out"
#endif
+maybeCreateManifest
+ :: DynFlags
+ -> FilePath -- filename of executable
+ -> IO [FilePath] -- extra objects to embed, maybe
+maybeCreateManifest dflags exe_filename = do
+#ifndef mingw32_TARGET_OS
+ return []
+#else
+ if not (dopt Opt_GenManifest dflags) then return [] else do
+
+ let manifest_filename = exe_filename `joinFileExt` "manifest"
+
+ writeFile manifest_filename $
+ "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"++
+ " <assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\" manifestVersion=\"1.0\">\n"++
+ " <assemblyIdentity version=\"1.0.0.0\"\n"++
+ " processorArchitecture=\"X86\"\n"++
+ " name=\"" ++ basenameOf exe_filename ++ "\"\n"++
+ " type=\"win32\"/>\n\n"++
+ " <trustInfo xmlns=\"urn:schemas-microsoft-com:asm.v3\">\n"++
+ " <security>\n"++
+ " <requestedPrivileges>\n"++
+ " <requestedExecutionLevel level=\"asInvoker\" uiAccess=\"false\"/>\n"++
+ " </requestedPrivileges>\n"++
+ " </security>\n"++
+ " </trustInfo>\n"++
+ "</assembly>\n"
+
+ -- Windows will fine 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 esacpe 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
+
+ return [rc_obj_filename]
+#endif
+
+
linkDynLib :: DynFlags -> [String] -> [PackageId] -> IO ()
linkDynLib dflags o_files dep_packages = do
let verb = getVerbFlag dflags
extra_ld_inputs <- readIORef v_Ld_inputs
let (md_c_flags, _) = machdepCCOpts dflags
+ let extra_ld_opts = getOpts dflags opt_l
#if defined(mingw32_HOST_OS)
-----------------------------------------------------------------------------
-- Making a DLL
-----------------------------------------------------------------------------
-
let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; }
- -- opts from -optdll-<blah>
- let extra_ld_opts = getOpts dflags opt_dll
+ SysTools.runLink dflags
+ ([ SysTools.Option verb
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ , SysTools.Option "-shared"
+ , SysTools.FileOption "-Wl,--out-implib=" (output_fn ++ ".a")
+ ]
+ ++ map (SysTools.FileOption "") o_files
+ ++ map SysTools.Option (
+ md_c_flags
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
+ ++ pkg_lib_path_opts
+ ++ pkg_link_opts
+ ))
+#elif defined(darwin_TARGET_OS)
+ -----------------------------------------------------------------------------
+ -- Making a darwin dylib
+ -----------------------------------------------------------------------------
+ -- About the options used for Darwin:
+ -- -dynamiclib
+ -- Apple's way of saying -shared
+ -- -undefined dynamic_lookup:
+ -- Without these options, we'd have to specify the correct dependencies
+ -- for each of the dylibs. Note that we could (and should) do without this
+ -- for all libraries except the RTS; all we need to do is to pass the
+ -- correct HSfoo_dyn.dylib files to the link command.
+ -- This feature requires Mac OS X 10.3 or later; there is a similar feature,
+ -- -flat_namespace -undefined suppress, which works on earlier versions,
+ -- but it has other disadvantages.
+ -- -single_module
+ -- Build the dynamic library as a single "module", i.e. no dynamic binding
+ -- nonsense when referring to symbols from within the library. The NCG
+ -- assumes that this option is specified (on i386, at least).
+ -- -Wl,-macosx_version_min -Wl,10.3
+ -- Tell the linker its safe to assume that the library will run on 10.3 or
+ -- later, so that it will not complain about the use of the option
+ -- -undefined dynamic_lookup above.
+ -- -install_name
+ -- Causes the dynamic linker to ignore the DYLD_LIBRARY_PATH when loading
+ -- this lib and instead look for it at its absolute path.
+ -- When installing the .dylibs (see target.mk), we'll change that path to
+ -- point to the place they are installed. Therefore, we won't have to set
+ -- up DYLD_LIBRARY_PATH specifically for ghc.
+ -----------------------------------------------------------------------------
- let pstate = pkgState dflags
- rts_pkg = getPackageDetails pstate rtsPackageId
- base_pkg = getPackageDetails pstate basePackageId
+ let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
- let extra_os = if static || no_hs_main
- then []
- else [ head (libraryDirs rts_pkg) ++ "/Main.dll_o",
- head (libraryDirs base_pkg) ++ "/PrelMain.dll_o" ]
- SysTools.runMkDLL dflags
+ pwd <- getCurrentDirectory
+ SysTools.runLink dflags
([ SysTools.Option verb
+ , SysTools.Option "-dynamiclib"
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
]
++ map SysTools.Option (
md_c_flags
++ o_files
- ++ extra_os
- ++ [ "--target=i386-mingw32" ]
+ ++ [ "-undefined", "dynamic_lookup", "-single_module", "-Wl,-macosx_version_min","-Wl,10.3", "-install_name " ++ (pwd `joinFileName` output_fn) ]
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
++ pkg_lib_path_opts
++ pkg_link_opts
- ++ (if "--def" `elem` (concatMap words extra_ld_opts)
- then [ "" ]
- else [ "--export-all" ])
))
#else
-----------------------------------------------------------------------------
-- Making a DSO
-----------------------------------------------------------------------------
- -- opts from -optl-<blah>
- let extra_ld_opts = getOpts dflags opt_l
+
let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
SysTools.runLink dflags