X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=72e326f5f7d203d6df019f048f48a19cfeb646d2;hb=61de6a58cf88fec88d20e8ee7250a4a519ef6bd9;hp=2542e102cc62690b9964378d843064e13f98ad84;hpb=d4e2c3a1d02169cdbd71577a3189d94a158e806b;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 2542e10..72e326f 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,98 +1,336 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.18 2000/11/09 12:54:08 simonmar Exp $ -- -- GHC Driver -- --- (c) Simon Marlow 2000 +-- (c) The University of Glasgow 2002 -- ----------------------------------------------------------------------------- +#include "../includes/config.h" + module DriverPipeline ( - -- interfaces for the batch-mode driver - GhcMode(..), getGhcMode, v_GhcMode, - genPipeline, runPipeline, + -- Interfaces for the batch-mode driver + genPipeline, runPipeline, pipeLoop, staticLink, - -- interfaces for the compilation manager (interpreted/batch-mode) - preprocess, compile, CompResult(..), + -- Interfaces for the compilation manager (interpreted/batch-mode) + preprocess, + compile, CompResult(..), + link, - -- batch-mode linking interface - doLink + -- DLL building + doMkDLL ) where #include "HsVersions.h" -import CmSummarise -import CmLink +import Packages +import GetImports import DriverState import DriverUtil import DriverMkDepend import DriverPhases import DriverFlags +import SysTools ( newTempName, addFilesToClean, getSysMan, copy ) +import qualified SysTools import HscMain -import TmpFiles +import Finder import HscTypes import Outputable import Module +import ErrUtils import CmdLineOpts import Config +import Panic import Util +import BasicTypes ( SuccessFlag(..) ) +import Maybes ( expectJust ) + +import ParserCoreUtils ( getCoreModuleName ) +import EXCEPTION +import DATA_IOREF ( readIORef, writeIORef ) + +#ifdef GHCI +import Time ( getClockTime ) +#endif import Directory import System -import IOExts -import Exception - import IO import Monad import Maybe + +----------------------------------------------------------------------------- +-- Pre process +----------------------------------------------------------------------------- + +-- Just preprocess a file, put the result in a temp. file (used by the +-- compilation manager during the summary phase). + +preprocess :: FilePath -> IO FilePath +preprocess filename = + ASSERT(haskellish_src_file filename) + do restoreDynFlags -- Restore to state of last save + let fInfo = (filename, getFileSuffix filename) + pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False + defaultHscLang fInfo + (fn,_) <- runPipeline pipeline fInfo + False{-no linking-} False{-no -o flag-} + return fn + +----------------------------------------------------------------------------- +-- 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. + +-- The driver sits between 'compile' and 'hscMain', translating calls +-- to the former into calls to the latter, and results from the latter +-- into results from the former. It does things like preprocessing +-- the .hs file if necessary, and compiling up the .stub_c files to +-- generate Linkables. + +-- NB. No old interface can also mean that the source has changed. + +compile :: GhciMode -- distinguish batch from interactive + -> Module + -> ModLocation + -> Bool -- True <=> source unchanged + -> Bool -- True <=> have object + -> Maybe ModIface -- old interface, if available + -> HomePackageTable -- For home-module stuff + -> PersistentCompilerState -- persistent compiler state + -> IO CompResult + +data CompResult + = CompOK PersistentCompilerState -- Updated PCS + ModDetails -- New details + ModIface -- New iface + (Maybe Linkable) -- New code; Nothing => compilation was not reqd + -- (old code is still valid) + + | CompErrs PersistentCompilerState -- Updated PCS + + +compile ghci_mode this_mod location + source_unchanged have_object + old_iface hpt pcs = do + + dyn_flags <- restoreDynFlags -- Restore to the state of the last save + + + showPass dyn_flags + (showSDoc (text "Compiling" <+> ppr this_mod)) + + let verb = verbosity dyn_flags + let input_fn = expectJust "compile:hs" (ml_hs_file location) + let input_fnpp = expectJust "compile:hspp" (ml_hspp_file location) + let mod_name = moduleName this_mod + + when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) + + opts <- getOptionsFromSource input_fnpp + processArgs dynamic_flags opts [] + dyn_flags <- getDynFlags + + let hsc_lang = hscLang dyn_flags + (basename, _) = splitFilename input_fn + + keep_hc <- readIORef v_Keep_hc_files +#ifdef ILX + keep_il <- readIORef v_Keep_il_files +#endif + keep_s <- readIORef v_Keep_s_files + + output_fn <- + case hsc_lang of + HscAsm | keep_s -> return (basename ++ '.':phaseInputExt As) + | otherwise -> newTempName (phaseInputExt As) + HscC | keep_hc -> return (basename ++ '.':phaseInputExt HCc) + | otherwise -> newTempName (phaseInputExt HCc) + HscJava -> newTempName "java" -- ToDo +#ifdef ILX + HscILX | keep_il -> return (basename ++ '.':phaseInputExt Ilasm) + | otherwise -> newTempName (phaseInputExt Ilx2Il) +#endif + HscInterpreted -> return (error "no output file") + HscNothing -> return (error "no output file") + + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h", + extCoreName = basename ++ ".hcr" } + + -- figure out which header files to #include in a generated .hc file + c_includes <- getPackageCIncludes + cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options + + let cc_injects = unlines (map mk_include + (c_includes ++ reverse cmdline_includes)) + mk_include h_file = + case h_file of + '"':_{-"-} -> "#include "++h_file + '<':_ -> "#include "++h_file + _ -> "#include \""++h_file++"\"" + + writeIORef v_HCHeader cc_injects + + -- -no-recomp should also work with --make + do_recomp <- readIORef v_Recomp + let source_unchanged' = source_unchanged && do_recomp + hsc_env = HscEnv { hsc_mode = ghci_mode, + hsc_dflags = dyn_flags', + hsc_HPT = hpt } + + -- run the compiler + hsc_result <- hscMain hsc_env pcs this_mod location + source_unchanged' have_object old_iface + + case hsc_result of + HscFail pcs -> return (CompErrs pcs) + + HscNoRecomp pcs details iface -> return (CompOK pcs details iface Nothing) + + HscRecomp pcs details iface + stub_h_exists stub_c_exists maybe_interpreted_code -> do + let + maybe_stub_o <- compileStub dyn_flags' stub_c_exists + let stub_unlinked = case maybe_stub_o of + Nothing -> [] + Just stub_o -> [ DotO stub_o ] + + (hs_unlinked, unlinked_time) <- + case hsc_lang of + + -- in interpreted mode, just return the compiled code + -- as our "unlinked" object. + HscInterpreted -> + case maybe_interpreted_code of +#ifdef GHCI + Just comp_bc -> do tm <- getClockTime + return ([BCOs comp_bc], tm) +#endif + Nothing -> panic "compile: no interpreted code" + + -- we're in batch mode: finish the compilation pipeline. + _other -> do pipe <- genPipeline (StopBefore Ln) "" True + hsc_lang (output_fn, getFileSuffix output_fn) + -- runPipeline takes input_fn so it can split off + -- the base name and use it as the base of + -- the output object file. + let (basename, suffix) = splitFilename input_fn + (o_file,_) <- + pipeLoop pipe (output_fn, getFileSuffix output_fn) + False False + basename suffix + o_time <- getModificationTime o_file + return ([DotO o_file], o_time) + + let linkable = LM unlinked_time mod_name + (hs_unlinked ++ stub_unlinked) + + return (CompOK pcs details iface (Just linkable)) + ----------------------------------------------------------------------------- --- GHC modes of operation - -data GhcMode - = DoMkDependHS -- ghc -M - | DoMkDLL -- ghc -mk-dll - | StopBefore Phase -- ghc -E | -C | -S | -c - | DoMake -- ghc --make - | DoInteractive -- ghc --interactive - | DoLink -- [ the default ] - deriving (Eq) - -GLOBAL_VAR(v_GhcMode, error "todo", GhcMode) - -modeFlag :: String -> Maybe GhcMode -modeFlag "-M" = Just $ DoMkDependHS -modeFlag "-E" = Just $ StopBefore Hsc -modeFlag "-C" = Just $ StopBefore HCc -modeFlag "-S" = Just $ StopBefore As -modeFlag "-c" = Just $ StopBefore Ln -modeFlag "--make" = Just $ DoMake -modeFlag "--interactive" = Just $ DoInteractive -modeFlag _ = Nothing - -getGhcMode :: [String] - -> IO ( [String] -- rest of command line - , GhcMode - , String -- "GhcMode" flag - ) -getGhcMode flags - = case my_partition modeFlag flags of - ([] , rest) -> return (rest, DoLink, "") -- default is to do linking - ([(flag,one)], rest) -> return (rest, one, flag) - (_ , _ ) -> - throwDyn (OtherError - "only one of the flags -M, -E, -C, -S, -c, --make, --interactive is allowed") +-- stub .h and .c files (for foreign export support) + +compileStub dflags stub_c_exists + | not stub_c_exists = return Nothing + | stub_c_exists = do + -- compile the _stub.c file w/ gcc + let stub_c = hscStubCOutName dflags + pipeline <- genPipeline (StopBefore Ln) "" True defaultHscLang (stub_c,"c") + (stub_o,_) <- runPipeline pipeline (stub_c,"c") False{-no linking-} + False{-no -o option-} + return (Just stub_o) + +----------------------------------------------------------------------------- +-- Link ----------------------------------------------------------------------------- --- genPipeline + +link :: GhciMode -- interactive or batch + -> DynFlags -- dynamic flags + -> Bool -- attempt linking in batch mode? + -> [Linkable] + -> IO SuccessFlag + +-- For the moment, in the batch linker, we don't bother to tell doLink +-- which packages to link -- it just tries all that are available. +-- batch_attempt_linking should only be *looked at* in batch mode. It +-- should only be True if the upsweep was successful and someone +-- exports main, i.e., we have good reason to believe that linking +-- will succeed. + +-- There will be (ToDo: are) two lists passed to link. These +-- correspond to -- +-- 1. The list of all linkables in the current home package. This is +-- used by the batch linker to link the program, and by the interactive +-- linker to decide which modules from the previous link it can +-- throw away. +-- 2. The list of modules on which we just called "compile". This list +-- is used by the interactive linker to decide which modules need +-- to be actually linked this time around (or unlinked and re-linked +-- if the module was recompiled). + +link mode dflags batch_attempt_linking linkables + = do let verb = verbosity dflags + when (verb >= 3) $ do + hPutStrLn stderr "link: linkables are ..." + hPutStrLn stderr (showSDoc (vcat (map ppr linkables))) + + res <- link' mode dflags batch_attempt_linking linkables + + when (verb >= 3) (hPutStrLn stderr "link: done") + + return res + +#ifdef GHCI +link' Interactive dflags batch_attempt_linking linkables + = do showPass dflags "Not Linking...(demand linker will do the job)" + -- linkModules dflags linkables + return Succeeded +#endif + +link' Batch dflags batch_attempt_linking linkables + | batch_attempt_linking + = do when (verb >= 1) $ + hPutStrLn stderr "ghc: linking ..." + + -- Don't showPass in Batch mode; doLink will do that for us. + staticLink (concatMap getOfiles linkables) + + -- staticLink only returns if it succeeds + return Succeeded + + | otherwise + = do when (verb >= 3) $ do + hPutStrLn stderr "link(batch): upsweep (partially) failed OR" + hPutStrLn stderr " Main.main not exported; not linking." + return Succeeded + where + verb = verbosity dflags + getOfiles (LM _ _ us) = map nameOfObject (filter isObject us) + + + +----------------------------------------------------------------------------- +-- genPipeline: Pipeline construction +----------------------------------------------------------------------------- + -- Herein is all the magic about which phases to run in which order, whether --- the intermediate files should be in /tmp or in the current directory, +-- the intermediate files should be in TMPDIR or in the current directory, -- what the suffix of the intermediate files should be, etc. -- The following compilation pipeline algorithm is fairly hacky. A --- better way to do this would be to express the whole comilation as a +-- better way to do this would be to express the whole compilation as a -- data flow DAG, where the nodes are the intermediate files and the -- edges are the compilation phases. This framework would also work -- nicely if a haskell dependency generator was included in the @@ -108,97 +346,124 @@ getGhcMode flags -- concurrently, automatically taking advantage of extra processors on -- the host machine. For example, when compiling two Haskell files -- where one depends on the other, the data flow graph would determine --- that the C compiler from the first comilation can be overlapped --- with the hsc comilation for the second file. +-- that the C compiler from the first compilation can be overlapped +-- with the hsc compilation for the second file. data IntermediateFileType = Temporary | Persistent - deriving (Eq) + deriving (Eq, Show) genPipeline - :: GhcMode -- when to stop - -> String -- "stop after" flag (for error messages) - -> String -- original filename + :: GhcMode -- when to stop + -> String -- "stop after" flag (for error messages) + -> Bool -- True => output is persistent + -> HscLang -- preferred output language for hsc + -> (FilePath, String) -- original filename & its suffix -> IO [ -- list of phases to run for this file (Phase, IntermediateFileType, -- keep the output from this phase? String) -- output file suffix ] -genPipeline todo stop_flag filename +genPipeline todo stop_flag persistent_output lang (filename,suffix) = do split <- readIORef v_Split_object_files mangle <- readIORef v_Do_asm_mangling - lang <- readIORef v_Hsc_Lang keep_hc <- readIORef v_Keep_hc_files +#ifdef ILX + keep_il <- readIORef v_Keep_il_files + keep_ilx <- readIORef v_Keep_ilx_files +#endif keep_raw_s <- readIORef v_Keep_raw_s_files keep_s <- readIORef v_Keep_s_files osuf <- readIORef v_Object_suf + hcsuf <- readIORef v_HC_suf let ----------- ----- ---- --- -- -- - - - - (_basename, suffix) = splitFilename filename + start = startPhase suffix - start_phase = startPhase suffix + -- special case for mkdependHS: .hspp files go through MkDependHS + start_phase | todo == DoMkDependHS && start == Hsc = MkDependHS + | otherwise = start haskellish = haskellish_suffix suffix cish = cish_suffix suffix - -- for a .hc file, or if the -C flag is given, we need to force lang to HscC - real_lang | suffix == "hc" = HscC - | otherwise = lang + -- for a .hc file we need to force lang to HscC + real_lang | start_phase == HCc || start_phase == Mangle = HscC + | otherwise = lang let ----------- ----- ---- --- -- -- - - - - pipeline - | todo == DoMkDependHS = [ Unlit, Cpp, MkDependHS ] + pipeline = preprocess ++ compile + + preprocess + | haskellish = [ Unlit, Cpp, HsPp ] + | otherwise = [ ] + + compile + | todo == DoMkDependHS = [ MkDependHS ] + + | cish = [ Cc, As ] | haskellish = case real_lang of - HscC | split && mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, - SplitMangle, SplitAs ] - | mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, As ] + HscC | split && mangle -> [ Hsc, HCc, Mangle, SplitMangle, SplitAs ] + | mangle -> [ Hsc, HCc, Mangle, As ] | split -> not_valid - | otherwise -> [ Unlit, Cpp, Hsc, HCc, As ] + | otherwise -> [ Hsc, HCc, As ] - HscAsm | split -> [ Unlit, Cpp, Hsc, SplitMangle, SplitAs ] - | otherwise -> [ Unlit, Cpp, Hsc, As ] + HscAsm | split -> [ Hsc, SplitMangle, SplitAs ] + | otherwise -> [ Hsc, As ] HscJava | split -> not_valid | otherwise -> error "not implemented: compiling via Java" - - | cish = [ Cc, As ] +#ifdef ILX + HscILX | split -> not_valid + | otherwise -> [ Hsc, Ilx2Il, Ilasm ] +#endif + HscNothing -> [ Hsc, HCc ] -- HCc is a dummy stop phase | otherwise = [ ] -- just pass this file through to the linker -- ToDo: this is somewhat cryptic - not_valid = throwDyn (OtherError ("invalid option combination")) + not_valid = throwDyn (UsageError ("invalid option combination")) + + stop_phase = case todo of + StopBefore As | split -> SplitAs +#ifdef ILX + | real_lang == HscILX -> Ilasm +#endif + StopBefore phase -> phase + DoMkDependHS -> Ln + DoLink -> Ln + DoMkDLL -> Ln ----------- ----- ---- --- -- -- - - - -- this shouldn't happen. - if start_phase /= Ln && start_phase `notElem` pipeline - then throwDyn (OtherError ("can't find starting phase for " - ++ filename)) - else do - + when (start_phase /= Ln && start_phase `notElem` pipeline) + (throwDyn (CmdLineError ("can't find starting phase for " + ++ filename))) -- if we can't find the phase we're supposed to stop before, - -- something has gone wrong. - case todo of - StopBefore phase -> - when (phase /= Ln - && phase `notElem` pipeline - && not (phase == As && SplitAs `elem` pipeline)) $ - throwDyn (OtherError - ("flag " ++ stop_flag - ++ " is incompatible with source file `" ++ filename ++ "'")) - _ -> return () - + -- something has gone wrong. This test carefully avoids the + -- case where we aren't supposed to do any compilation, because the file + -- is already in linkable form (for example). +-- hPutStrLn stderr (show ((start_phase `elem` pipeline,stop_phase /= Ln,stop_phase `notElem` pipeline), start_phase, stop_phase, pipeline,todo)) +-- hFlush stderr + when (start_phase `elem` pipeline && + (stop_phase /= Ln && stop_phase `notElem` pipeline)) + (do + throwDyn (UsageError + ("flag `" ++ stop_flag + ++ "' is incompatible with source file `" + ++ filename ++ "'" ++ show pipeline ++ show stop_phase))) let - ----------- ----- ---- --- -- -- - - - - myPhaseInputExt Ln = case osuf of Nothing -> phaseInputExt Ln - Just s -> s - myPhaseInputExt other = phaseInputExt other + -- .o and .hc suffixes can be overriden by command-line options: + myPhaseInputExt Ln | Just s <- osuf = s + myPhaseInputExt HCc | Just s <- hcsuf = s + myPhaseInputExt other = phaseInputExt other annotatePipeline :: [Phase] -- raw pipeline @@ -211,72 +476,108 @@ genPipeline todo stop_flag filename : annotatePipeline (next_phase:ps) stop where keep_this_output - | next_phase == stop = Persistent - | otherwise = - case next_phase of + | next_phase == stop + = if persistent_output then Persistent else Temporary + | otherwise + = case next_phase of Ln -> Persistent Mangle | keep_raw_s -> Persistent As | keep_s -> Persistent HCc | keep_hc -> Persistent +#ifdef ILX + Ilx2Il | keep_ilx -> Persistent + Ilasm | keep_il -> Persistent +#endif _other -> Temporary -- add information about output files to the pipeline -- the suffix on an output file is determined by the next phase -- in the pipeline, so we add linking to the end of the pipeline -- to force the output from the final phase to be a .o file. - stop_phase = case todo of StopBefore phase -> phase - DoMkDependHS -> Ln - DoLink -> Ln - annotated_pipeline = annotatePipeline (pipeline ++ [ Ln ]) stop_phase + + annotated_pipeline = annotatePipeline (pipeline ++ [Ln]) stop_phase phase_ne p (p1,_,_) = (p1 /= p) ----------- ----- ---- --- -- -- - - - - return $ - dropWhile (phase_ne start_phase) . - foldr (\p ps -> if phase_ne stop_phase p then p:ps else []) [] - $ annotated_pipeline + return ( + takeWhile (phase_ne stop_phase ) $ + dropWhile (phase_ne start_phase) $ + annotated_pipeline + ) runPipeline :: [ (Phase, IntermediateFileType, String) ] -- phases to run - -> String -- input file + -> (String,String) -- input file -> Bool -- doing linking afterward? -> Bool -- take into account -o when generating output? - -> IO String -- return final filename + -> IO (String, String) -- return final filename -runPipeline pipeline input_fn do_linking use_ofile - = pipeLoop pipeline input_fn do_linking use_ofile basename suffix - where (basename, suffix) = splitFilename input_fn +runPipeline pipeline (input_fn,suffix) do_linking use_ofile + = pipeLoop pipeline (input_fn,suffix) do_linking use_ofile basename suffix + where (basename, _) = splitFilename input_fn pipeLoop [] input_fn _ _ _ _ = return input_fn -pipeLoop ((phase, keep, o_suffix):phases) - input_fn do_linking use_ofile orig_basename orig_suffix +pipeLoop (all_phases@((phase, keep, o_suffix):phases)) + (input_fn,real_suff) do_linking use_ofile orig_basename orig_suffix = do output_fn <- outputFileName (null phases) keep o_suffix - carry_on <- run_phase phase orig_basename orig_suffix input_fn output_fn + mbCarryOn <- run_phase phase orig_basename orig_suffix + input_fn output_fn -- sometimes we bail out early, eg. when the compiler's recompilation -- checker has determined that recompilation isn't necessary. - if not carry_on - then do let (_,keep,final_suffix) = last phases - ofile <- outputFileName True keep final_suffix - return ofile - else do -- carry on ... - - -- sadly, ghc -E is supposed to write the file to stdout. We - -- generate .cpp, so we also have to cat the file here. - when (null phases && phase == Cpp) $ - run_something "Dump pre-processed file to stdout" - ("cat " ++ output_fn) - - pipeLoop phases output_fn do_linking use_ofile orig_basename orig_suffix - + case mbCarryOn of + Nothing -> do + let (_,keep,final_suffix) = last all_phases + ofile <- outputFileName True keep final_suffix + return (ofile, final_suffix) + -- carry on ... + Just fn -> do + {- + Check to see whether we've reached the end of the + pipeline, but did so with an ineffective last stage. + (i.e., it returned the input_fn as the output filename). + + If we did and the output is persistent, copy the contents + of input_fn into the file where the pipeline's output is + expected to end up. + -} + atEnd <- finalStage (null phases) + when (atEnd && fn == input_fn) + (copy "Saving away compilation pipeline's output" + input_fn + output_fn) + {- + Notice that in order to keep the invariant that we can + determine a compilation pipeline's 'start phase' just + by looking at the input filename, the input filename + to the next stage/phase is associated here with the suffix + of the output file, *even* if it does not have that + suffix in reality. + + Why is this important? Because we may run a compilation + pipeline in stages (cf. Main.main.compileFile's two stages), + so when generating the next stage we need to be precise + about what kind of file (=> suffix) is given as input. + + [Not having to generate a pipeline in stages seems like + the right way to go, but I've punted on this for now --sof] + + -} + pipeLoop phases (fn, o_suffix) do_linking use_ofile + orig_basename orig_suffix where + finalStage lastPhase = do + o_file <- readIORef v_Output_file + return (lastPhase && not do_linking && use_ofile && isJust o_file) + outputFileName last_phase keep suffix = do o_file <- readIORef v_Output_file - if last_phase && not do_linking && use_ofile && isJust o_file + atEnd <- finalStage last_phase + if atEnd then case o_file of Just s -> return s Nothing -> error "outputFileName" @@ -284,16 +585,28 @@ pipeLoop ((phase, keep, o_suffix):phases) then odir_ify (orig_basename ++ '.':suffix) else newTempName suffix +run_phase :: Phase + -> String -- basename of original input source + -> String -- its extension + -> FilePath -- name of file which contains the input to this phase. + -> FilePath -- where to stick the result. + -> IO (Maybe FilePath) + -- Nothing => stop the compilation pipeline + -- Just fn => the result of this phase can be found in 'fn' + -- (this can either be 'input_fn' or 'output_fn'). ------------------------------------------------------------------------------- -- Unlit phase run_phase Unlit _basename _suff input_fn output_fn - = do unlit <- readIORef v_Pgm_L - unlit_flags <- getOpts opt_L - run_something "Literate pre-processor" - ("echo '# 1 \"" ++input_fn++"\"' > "++output_fn++" && " - ++ unlit ++ ' ':input_fn ++ " - >> " ++ output_fn) - return True + = do unlit_flags <- getOpts opt_L + -- The -h option passes the file name for unlit to put in a #line directive + SysTools.runUnlit (map SysTools.Option unlit_flags ++ + [ SysTools.Option "-h" + , SysTools.Option input_fn + , SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) ------------------------------------------------------------------------------- -- Cpp phase @@ -301,80 +614,110 @@ run_phase Unlit _basename _suff input_fn output_fn run_phase Cpp basename suff input_fn output_fn = do src_opts <- getOptionsFromSource input_fn unhandled_flags <- processArgs dynamic_flags src_opts [] + checkProcessArgsResult unhandled_flags basename suff - when (not (null unhandled_flags)) - (throwDyn (OtherError ( - basename ++ "." ++ suff - ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" - ++ unwords unhandled_flags)) (ExitFailure 1)) - - do_cpp <- readState cpp_flag - if do_cpp - then do - cpp <- readIORef v_Pgm_P - hscpp_opts <- getOpts opt_P + do_cpp <- dynFlag cppFlag + if not do_cpp then + -- no need to preprocess CPP, just pass input file along + -- to the next phase of the pipeline. + return (Just input_fn) + else do + hscpp_opts <- getOpts opt_P hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts cmdline_include_paths <- readIORef v_Include_paths pkg_include_dirs <- getPackageIncludePath - let include_paths = map (\p -> "-I"++p) (cmdline_include_paths - ++ pkg_include_dirs) - - verb <- is_verbose - run_something "C pre-processor" - (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}'", ">", output_fn, "&&", - cpp, verb] - ++ include_paths - ++ hs_src_cpp_opts - ++ hscpp_opts - ++ [ "-x", "c", input_fn, ">>", output_fn ] - )) - else do - run_something "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}' > " - ++ output_fn ++ " && cat " ++ input_fn - ++ " >> " ++ output_fn) - return True + let include_paths = foldr (\ x xs -> "-I" : x : xs) [] + (cmdline_include_paths ++ pkg_include_dirs) + + verb <- getVerbFlag + (md_c_flags, _) <- machdepCCOpts + + SysTools.runCpp ([SysTools.Option verb] + ++ map SysTools.Option include_paths + ++ map SysTools.Option hs_src_cpp_opts + ++ map SysTools.Option hscpp_opts + ++ map SysTools.Option md_c_flags + ++ [ SysTools.Option "-x" + , SysTools.Option "c" + , SysTools.Option input_fn + -- We hackily use Option instead of FileOption here, so that the file + -- name is not back-slashed on Windows. cpp is capable of + -- dealing with / in filenames, so it works fine. Furthermore + -- if we put in backslashes, cpp outputs #line directives + -- with *double* backslashes. And that in turn means that + -- our error messages get double backslashes in them. + -- In due course we should arrange that the lexer deals + -- with these \\ escapes properly. + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) + +------------------------------------------------------------------------------- +-- HsPp phase + +run_phase HsPp basename suff input_fn output_fn + = do let orig_fn = basename ++ '.':suff + do_pp <- dynFlag ppFlag + if not do_pp then + -- no need to preprocess, just pass input file along + -- to the next phase of the pipeline. + return (Just input_fn) + else do + hspp_opts <- getOpts opt_F + hs_src_pp_opts <- readIORef v_Hs_source_pp_opts + SysTools.runPp ( [ SysTools.Option orig_fn + , SysTools.Option input_fn + , SysTools.FileOption "" output_fn + ] ++ + map SysTools.Option hs_src_pp_opts ++ + map SysTools.Option hspp_opts + ) + return (Just output_fn) ----------------------------------------------------------------------------- -- MkDependHS phase -run_phase MkDependHS basename suff input_fn _output_fn = do - src <- readFile input_fn - let imports = getImports src +run_phase MkDependHS basename suff input_fn output_fn + = do src <- readFile input_fn + let (import_sources, import_normals, _) = getImports src + let orig_fn = basename ++ '.':suff + deps_sources <- mapM (findDependency True orig_fn) import_sources + deps_normals <- mapM (findDependency False orig_fn) import_normals + let deps = deps_sources ++ deps_normals - deps <- mapM (findDependency basename) imports + osuf_opt <- readIORef v_Object_suf + let osuf = case osuf_opt of + Nothing -> phaseInputExt Ln + Just s -> s - osuf_opt <- readIORef v_Object_suf - let osuf = case osuf_opt of - Nothing -> phaseInputExt Ln - Just s -> s + extra_suffixes <- readIORef v_Dep_suffixes + let suffixes = osuf : map (++ ('_':osuf)) extra_suffixes + ofiles = map (\suf -> basename ++ '.':suf) suffixes - extra_suffixes <- readIORef v_Dep_suffixes - let suffixes = osuf : map (++ ('_':osuf)) extra_suffixes - ofiles = map (\suf -> basename ++ '.':suf) suffixes - - objs <- mapM odir_ify ofiles - - hdl <- readIORef v_Dep_tmp_hdl + objs <- mapM odir_ify ofiles + + -- Handle for file that accumulates dependencies + hdl <- readIORef v_Dep_tmp_hdl -- std dependency of the object(s) on the source file - hPutStrLn hdl (unwords objs ++ " : " ++ basename ++ '.':suff) - - let genDep (dep, False {- not an hi file -}) = - hPutStrLn hdl (unwords objs ++ " : " ++ dep) - genDep (dep, True {- is an hi file -}) = do - hisuf <- readIORef v_Hi_suf - let dep_base = remove_suffix '.' dep - deps = (dep_base ++ hisuf) - : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes + hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++ + escapeSpaces (basename ++ '.':suff)) + + let genDep (dep, False {- not an hi file -}) = + hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++ + escapeSpaces dep) + genDep (dep, True {- is an hi file -}) = do + hisuf <- readIORef v_Hi_suf + let dep_base = remove_suffix '.' dep + deps = (dep_base ++ hisuf) + : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes -- length objs should be == length deps - sequence_ (zipWith (\o d -> hPutStrLn hdl (o ++ " : " ++ d)) objs deps) - - mapM genDep [ d | Just d <- deps ] + sequence_ (zipWith (\o d -> hPutStrLn hdl (escapeSpaces o ++ " : " ++ escapeSpaces d)) objs deps) - return True + sequence_ (map genDep [ d | Just d <- deps ]) + return (Just output_fn) -- add the lines to dep_makefile: -- always: @@ -394,6 +737,7 @@ run_phase MkDependHS basename suff input_fn _output_fn = do -- (where .o is $osuf, and the other suffixes come from -- the cmdline -s options). + ----------------------------------------------------------------------------- -- Hsc phase @@ -410,13 +754,38 @@ run_phase Hsc basename suff input_fn output_fn paths <- readIORef v_Include_paths writeIORef v_Include_paths (current_dir : paths) - -- figure out where to put the .hi file - ohi <- readIORef v_Output_hi - hisuf <- readIORef v_Hi_suf - let hifile = case ohi of - Nothing -> current_dir ++ "/" ++ basename - ++ "." ++ hisuf - Just fn -> fn + -- figure out which header files to #include in a generated .hc file + c_includes <- getPackageCIncludes + cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options + + let cc_injects = unlines (map mk_include + (c_includes ++ reverse cmdline_includes)) + mk_include h_file = + case h_file of + '"':_{-"-} -> "#include "++h_file + '<':_ -> "#include "++h_file + _ -> "#include \""++h_file++"\"" + + writeIORef v_HCHeader cc_injects + + -- gather the imports and module name + (srcimps,imps,mod_name) <- + if extcoreish_suffix suff + then do + -- no explicit imports in ExtCore input. + m <- getCoreModuleName input_fn + return ([], [], mkModuleName m) + else + getImportsFromFile input_fn + + -- build a ModLocation to pass to hscMain. + (mod, location') + <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff) + + -- take -ohi into account if present + ohi <- readIORef v_Output_hi + let location | Just fn <- ohi = location'{ ml_hi_file = fn } + | otherwise = location' -- figure out if the source has changed, for recompilation avoidance. -- only do this if we're eventually going to generate a .o file. @@ -427,9 +796,16 @@ run_phase Hsc basename suff input_fn output_fn -- 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. - do_recomp <- readIORef v_Recomp - todo <- readIORef v_GhcMode - o_file <- odir_ify (basename ++ '.':phaseInputExt Ln) + do_recomp <- readIORef v_Recomp + todo <- readIORef v_GhcMode + expl_o_file <- readIORef v_Output_file + + let o_file -- if the -o option is given and IT IS THE OBJECT FILE FOR + -- THIS COMPILATION, then use that to determine if the + -- source is unchanged. + | Just x <- expl_o_file, todo == StopBefore Ln = x + | otherwise = expectJust "source_unchanged" (ml_obj_file location) + source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) then return False @@ -442,42 +818,44 @@ run_phase Hsc basename suff input_fn output_fn then return True else return False - -- build a ModuleLocation to pass to hscMain. - let location = ModuleLocation { - ml_hs_file = Nothing, - ml_hspp_file = Just input_fn, - ml_hi_file = Just hifile, - ml_obj_file = Just o_file - } - -- get the DynFlags - dyn_flags <- readIORef v_DynFlags + dyn_flags <- getDynFlags + + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h", + extCoreName = basename ++ ".hcr" } + hsc_env = HscEnv { hsc_mode = OneShot, + hsc_dflags = dyn_flags', + hsc_HPT = emptyHomePackageTable } + -- run the compiler! pcs <- initPersistentCompilerState - result <- hscMain dyn_flags{ hscOutName = output_fn } + result <- hscMain hsc_env pcs mod + location{ ml_hspp_file=Just input_fn } source_unchanged - location + False Nothing -- no iface - emptyModuleEnv -- HomeSymbolTable - emptyModuleEnv -- HomeIfaceTable - pcs case result of { HscFail pcs -> throwDyn (PhaseFailed "hsc" (ExitFailure 1)); - HscOK details maybe_iface maybe_stub_h maybe_stub_c - _maybe_interpreted_code pcs -> do + HscNoRecomp pcs details iface -> do { SysTools.touch "Touching object file" o_file + ; return Nothing } ; - -- deal with stubs - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c - case maybe_stub_o of - Nothing -> return () - Just stub_o -> add v_Ld_inputs stub_o + HscRecomp pcs details iface stub_h_exists stub_c_exists + _maybe_interpreted_code -> do - let keep_going = case maybe_iface of Just _ -> True; Nothing -> False - return keep_going + -- deal with stubs + maybe_stub_o <- compileStub dyn_flags' stub_c_exists + case maybe_stub_o of + Nothing -> return () + Just stub_o -> add v_Ld_inputs stub_o + case hscLang dyn_flags of + HscNothing -> return Nothing + _ -> return (Just output_fn) } ----------------------------------------------------------------------------- @@ -486,11 +864,10 @@ run_phase Hsc basename suff input_fn output_fn -- we don't support preprocessing .c files (with -E) now. Doing so introduces -- way too many hacks, and I can't say I've ever used it anyway. -run_phase cc_phase _basename _suff input_fn output_fn +run_phase cc_phase basename suff input_fn output_fn | cc_phase == Cc || cc_phase == HCc - = do cc <- readIORef v_Pgm_c - cc_opts <- (getOpts opt_c) - cmdline_include_dirs <- readIORef v_Include_paths + = do cc_opts <- getOpts opt_c + cmdline_include_paths <- readIORef v_Include_paths let hcc = cc_phase == HCc @@ -498,33 +875,13 @@ run_phase cc_phase _basename _suff input_fn output_fn -- .c files; this is the Value Add(TM) that using -- ghc instead of gcc gives you :) pkg_include_dirs <- getPackageIncludePath - let include_paths = map (\p -> "-I"++p) (cmdline_include_dirs - ++ pkg_include_dirs) - - c_includes <- getPackageCIncludes - cmdline_includes <- readState cmdline_hc_includes -- -#include options - - let cc_injects | hcc = unlines (map mk_include - (c_includes ++ reverse cmdline_includes)) - | otherwise = "" - mk_include h_file = - case h_file of - '"':_{-"-} -> "#include "++h_file - '<':_ -> "#include "++h_file - _ -> "#include \""++h_file++"\"" - - cc_help <- newTempName "c" - h <- openFile cc_help WriteMode - hPutStr h cc_injects - hPutStrLn h ("#include \"" ++ input_fn ++ "\"\n") - hClose h - - ccout <- newTempName "ccout" + let include_paths = foldr (\ x xs -> "-I" : x : xs) [] + (cmdline_include_paths ++ pkg_include_dirs) mangle <- readIORef v_Do_asm_mangling (md_c_flags, md_regd_c_flags) <- machdepCCOpts - verb <- is_verbose + verb <- getVerbFlag o2 <- readIORef v_minus_o2_for_C let opt_flag | o2 = "-O2" @@ -538,25 +895,31 @@ run_phase cc_phase _basename _suff input_fn output_fn excessPrecision <- readIORef v_Excess_precision - run_something "C Compiler" - (unwords ([ cc, "-x", "c", cc_help, "-o", output_fn ] - ++ md_c_flags - ++ (if cc_phase == HCc && mangle - then md_regd_c_flags - else []) - ++ [ verb, "-S", "-Wimplicit", opt_flag ] - ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] - ++ cc_opts - ++ split_opt -#ifdef mingw32_TARGET_OS - ++ [" -mno-cygwin"] -#endif - ++ (if excessPrecision then [] else [ "-ffloat-store" ]) - ++ include_paths - ++ pkg_extra_cc_opts --- ++ [">", ccout] - )) - return True + -- force the C compiler to interpret this file as C when + -- compiling .hc files, by adding the -x c option. + let langopt + | cc_phase == HCc = [ SysTools.Option "-x", SysTools.Option "c"] + | otherwise = [ ] + + SysTools.runCc (langopt ++ + [ SysTools.FileOption "" input_fn + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags + ++ (if cc_phase == HCc && mangle + then md_regd_c_flags + else []) + ++ [ verb, "-S", "-Wimplicit", opt_flag ] + ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] + ++ cc_opts + ++ split_opt + ++ (if excessPrecision then [] else [ "-ffloat-store" ]) + ++ include_paths + ++ pkg_extra_cc_opts + )) + return (Just output_fn) -- ToDo: postprocess the output from gcc @@ -564,100 +927,215 @@ run_phase cc_phase _basename _suff input_fn output_fn -- Mangle phase run_phase Mangle _basename _suff input_fn output_fn - = do mangler <- readIORef v_Pgm_m - mangler_opts <- getOpts opt_m - machdep_opts <- - if (prefixMatch "i386" cTARGETPLATFORM) - then do n_regs <- readState stolen_x86_regs - return [ show n_regs ] - else return [] - run_something "Assembly Mangler" - (unwords (mangler : - mangler_opts - ++ [ input_fn, output_fn ] - ++ machdep_opts - )) - return True + = do mangler_opts <- getOpts opt_m + machdep_opts <- if (prefixMatch "i386" cTARGETPLATFORM) + then do n_regs <- dynFlag stolen_x86_regs + return [ show n_regs ] + else return [] + + SysTools.runMangle (map SysTools.Option mangler_opts + ++ [ SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option machdep_opts) + return (Just output_fn) ----------------------------------------------------------------------------- -- Splitting phase -run_phase SplitMangle _basename _suff input_fn _output_fn - = do splitter <- readIORef v_Pgm_s - - -- this is the prefix used for the split .s files - tmp_pfx <- readIORef v_TmpDir - x <- myGetProcessID - let split_s_prefix = tmp_pfx ++ "/ghc" ++ show x - writeIORef v_Split_prefix split_s_prefix - addFilesToClean [split_s_prefix ++ "__*"] -- d:-) - - -- allocate a tmp file to put the no. of split .s files in (sigh) - n_files <- newTempName "n_files" - - run_something "Split Assembly File" - (unwords [ splitter - , input_fn - , split_s_prefix - , n_files ] - ) - - -- save the number of split files for future references - s <- readFile n_files - let n = read s :: Int - writeIORef v_N_split_files n - return True +run_phase SplitMangle _basename _suff input_fn output_fn + = 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) + split_s_prefix <- SysTools.newTempName "split" + let n_files_fn = split_s_prefix + + SysTools.runSplit [ SysTools.FileOption "" input_fn + , SysTools.FileOption "" split_s_prefix + , SysTools.FileOption "" n_files_fn + ] + + -- 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) + + -- Remember to delete all these files + addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s" + | n <- [1..n_files]] + + return (Just output_fn) ----------------------------------------------------------------------------- -- As phase run_phase As _basename _suff input_fn output_fn - = do as <- readIORef v_Pgm_a - as_opts <- getOpts opt_a - + = do as_opts <- getOpts opt_a cmdline_include_paths <- readIORef v_Include_paths - let cmdline_include_flags = map (\p -> "-I"++p) cmdline_include_paths - run_something "Assembler" - (unwords (as : as_opts - ++ cmdline_include_flags - ++ [ "-c", input_fn, "-o", output_fn ] - )) - return True -run_phase SplitAs basename _suff _input_fn _output_fn - = do as <- readIORef v_Pgm_a - as_opts <- getOpts opt_a + SysTools.runAs (map SysTools.Option as_opts + ++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ] + ++ [ SysTools.Option "-c" + , SysTools.FileOption "" input_fn + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) - split_s_prefix <- readIORef v_Split_prefix - n <- readIORef v_N_split_files +run_phase SplitAs basename _suff _input_fn output_fn + = do as_opts <- getOpts opt_a + + (split_s_prefix, n) <- readIORef v_Split_info odir <- readIORef v_Output_dir let real_odir = case odir of - Nothing -> basename + Nothing -> basename ++ "_split" Just d -> d - let assemble_file n = do - let input_s = split_s_prefix ++ "__" ++ show n ++ ".s" + let assemble_file n + = do let input_s = split_s_prefix ++ "__" ++ show n ++ ".s" let output_o = newdir real_odir (basename ++ "__" ++ show n ++ ".o") real_o <- osuf_ify output_o - run_something "Assembler" - (unwords (as : as_opts - ++ [ "-c", "-o", real_o, input_s ] - )) + SysTools.runAs (map SysTools.Option as_opts ++ + [ SysTools.Option "-c" + , SysTools.Option "-o" + , SysTools.FileOption "" real_o + , SysTools.FileOption "" input_s + ]) mapM_ assemble_file [1..n] + return (Just output_fn) + +#ifdef ILX +----------------------------------------------------------------------------- +-- Ilx2Il phase +-- Run ilx2il over the ILX output, getting an IL file + +run_phase Ilx2Il _basename _suff input_fn output_fn + = do ilx2il_opts <- getOpts opt_I + SysTools.runIlx2il (map SysTools.Option ilx2il_opts + ++ [ SysTools.Option "--no-add-suffix-to-assembly", + SysTools.Option "mscorlib", + SysTools.Option "-o", + SysTools.FileOption "" output_fn, + SysTools.FileOption "" input_fn ]) + return (Just output_fn) + +----------------------------------------------------------------------------- +-- Ilasm phase +-- Run ilasm over the IL, getting a DLL + +run_phase Ilasm _basename _suff input_fn output_fn + = do ilasm_opts <- getOpts opt_i + SysTools.runIlasm (map SysTools.Option ilasm_opts + ++ [ SysTools.Option "/QUIET", + SysTools.Option "/DLL", + SysTools.FileOption "/OUT=" output_fn, + SysTools.FileOption "" input_fn ]) + return (Just output_fn) + +#endif -- ILX + +----------------------------------------------------------------------------- +-- MoveBinary sort-of-phase +-- After having produced a binary, move it somewhere else and generate a +-- wrapper script calling the binary. Currently, we need this only in +-- a parallel way (i.e. in GUM), because PVM expects the binary in a +-- central directory. +-- This is called from staticLink below, after linking. I haven't made it +-- a separate phase to minimise interfering with other modules, and +-- we don't need the generality of a phase (MoveBinary is always +-- done after linking and makes only sense in a parallel setup) -- HWL + +run_phase_MoveBinary input_fn + = do + sysMan <- getSysMan + pvm_root <- getEnv "PVM_ROOT" + pvm_arch <- getEnv "PVM_ARCH" + 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? + system ("rm -f " ++ pvm_executable) + -- move the newly created binary into PVM land + system ("cp -p " ++ 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 +-- generates a Perl skript starting a parallel prg under PVM +mk_pvm_wrapper_script :: String -> String -> String -> String +mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $ + [ + "eval 'exec perl -S $0 ${1+\"$@\"}'", + " if $running_under_some_shell;", + "# =!=!=!=!=!=!=!=!=!=!=!", + "# This script is automatically generated: DO NOT EDIT!!!", + "# Generated by Glasgow Haskell Compiler", + "# ngoqvam choHbogh vaj' vIHoHnISbej !!!!", + "#", + "$pvm_executable = '" ++ pvm_executable ++ "';", + "$pvm_executable_base = '" ++ pvm_executable_base ++ "';", + "$SysMan = '" ++ sysMan ++ "';", + "", + {- ToDo: add the magical shortcuts again iff we actually use them -- HWL + "# first, some magical shortcuts to run "commands" on the binary", + "# (which is hidden)", + "if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {", + " local($cmd) = $1;", + " system("$cmd $pvm_executable");", + " exit(0); # all done", + "}", -} + "", + "# Now, run the real binary; process the args first", + "$ENV{'PE'} = $pvm_executable_base;", -- ++ pvm_executable_base, + "$debug = '';", + "$nprocessors = 0; # the default: as many PEs as machines in PVM config", + "@nonPVM_args = ();", + "$in_RTS_args = 0;", + "", + "args: while ($a = shift(@ARGV)) {", + " if ( $a eq '+RTS' ) {", + " $in_RTS_args = 1;", + " } elsif ( $a eq '-RTS' ) {", + " $in_RTS_args = 0;", + " }", + " if ( $a eq '-d' && $in_RTS_args ) {", + " $debug = '-';", + " } elsif ( $a =~ /^-qN(\\d+)/ && $in_RTS_args ) {", + " $nprocessors = $1;", + " } elsif ( $a =~ /^-qp(\\d+)/ && $in_RTS_args ) {", + " $nprocessors = $1;", + " } else {", + " push(@nonPVM_args, $a);", + " }", + "}", + "", + "local($return_val) = 0;", + "# Start the parallel execution by calling SysMan", + "system(\"$SysMan $debug $pvm_executable $nprocessors @nonPVM_args\");", + "$return_val = $?;", + "# ToDo: fix race condition moving files and flushing them!!", + "system(\"cp $ENV{'HOME'}/$pvm_executable_base.???.gr .\") if -f \"$ENV{'HOME'}/$pvm_executable_base.002.gr\";", + "exit($return_val);" + ] + ----------------------------------------------------------------------------- --- Linking +-- Complain about non-dynamic flags in OPTIONS pragmas -doLink :: [String] -> IO () -doLink o_files = do - ln <- readIORef v_Pgm_l - verb <- is_verbose - static <- readIORef v_Static - let imp = if static then "" else "_imp" +checkProcessArgsResult flags basename suff + = do when (notNull flags) (throwDyn (ProgramError ( + basename ++ "." ++ suff + ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" + ++ unwords flags)) (ExitFailure 1)) + +----------------------------------------------------------------------------- +-- Static linking, of .o files + +staticLink :: [String] -> IO () +staticLink o_files = do + verb <- getVerbFlag + static <- readIORef v_Static no_hs_main <- readIORef v_NoHsMain o_file <- readIORef v_Output_file @@ -670,12 +1148,28 @@ doLink o_files = do let lib_path_opts = map ("-L"++) lib_paths pkg_libs <- getPackageLibraries - let pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs + let imp = if static then "" else "_imp" + pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs libs <- readIORef v_Cmdline_libraries let lib_opts = map ("-l"++) (reverse libs) -- reverse because they're added in reverse order from the cmd line +#ifdef darwin_TARGET_OS + pkg_framework_paths <- getPackageFrameworkPath + let pkg_framework_path_opts = map ("-F"++) pkg_framework_paths + + framework_paths <- readIORef v_Framework_paths + let framework_path_opts = map ("-F"++) framework_paths + + pkg_frameworks <- getPackageFrameworks + let pkg_framework_opts = map ("-framework " ++) pkg_frameworks + + frameworks <- readIORef v_Cmdline_frameworks + let framework_opts = map ("-framework "++) (reverse frameworks) + -- reverse because they're added in reverse order from the cmd line +#endif + pkg_extra_ld_opts <- getPackageExtraLdOpts -- probably _stub.o files @@ -684,181 +1178,108 @@ doLink o_files = do -- opts from -optl- extra_ld_opts <- getStaticOpts v_Opt_l - rts_pkg <- getPackageDetails ["rts"] - std_pkg <- getPackageDetails ["std"] -#ifdef mingw32_TARGET_OS + [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, preludePackage] + let extra_os = if static || no_hs_main then [] - else [ head (library_dirs (head rts_pkg)) ++ "/Main.dll_o", - head (library_dirs (head std_pkg)) ++ "/PrelMain.dll_o" ] -#endif + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] + (md_c_flags, _) <- machdepCCOpts - run_something "Linker" - (unwords - ([ ln, verb, "-o", output_fn ] - ++ md_c_flags - ++ o_files -#ifdef mingw32_TARGET_OS - ++ extra_os + SysTools.runLink ( [ SysTools.Option verb + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags + ++ o_files + ++ extra_os + ++ extra_ld_inputs + ++ lib_path_opts + ++ lib_opts +#ifdef darwin_TARGET_OS + ++ framework_path_opts + ++ framework_opts #endif - ++ extra_ld_inputs - ++ lib_path_opts - ++ lib_opts - ++ pkg_lib_path_opts - ++ pkg_lib_opts - ++ pkg_extra_ld_opts - ++ extra_ld_opts -#ifdef mingw32_TARGET_OS - ++ if static then [ "-u _PrelMain_mainIO_closure" , "-u ___init_PrelMain"] else [] -#else - ++ [ "-u PrelMain_mainIO_closure" , "-u __init_PrelMain"] + ++ pkg_lib_path_opts + ++ pkg_lib_opts +#ifdef darwin_TARGET_OS + ++ pkg_framework_path_opts + ++ pkg_framework_opts #endif - ) - ) + ++ pkg_extra_ld_opts + ++ extra_ld_opts + ++ if static && not no_hs_main then + [ "-u", prefixUnderscore "Main_zdmain_closure"] + else [])) + + -- parallel only: move binary to another dir -- HWL + ways_ <- readIORef v_Ways + when (WayPar `elem` ways_) + (do success <- run_phase_MoveBinary output_fn + if success then return () + else throwDyn (InstallationError ("cannot move binary to PVM dir"))) ----------------------------------------------------------------------------- --- Just preprocess a file, put the result in a temp. file (used by the --- compilation manager during the summary phase). - -preprocess :: FilePath -> IO FilePath -preprocess filename = - ASSERT(haskellish_file filename) - do pipeline <- genPipeline (StopBefore Hsc) ("preprocess") filename - runPipeline pipeline filename False{-no linking-} False{-no -o flag-} - - ------------------------------------------------------------------------------ --- 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. - --- The driver sits between 'compile' and 'hscMain', translating calls --- to the former into calls to the latter, and results from the latter --- into results from the former. It does things like preprocessing --- the .hs file if necessary, and compiling up the .stub_c files to --- generate Linkables. - -compile :: ModSummary -- summary, including source - -> Maybe ModIface -- old interface, if available - -> HomeSymbolTable -- for home module ModDetails - -> HomeIfaceTable -- for home module Ifaces - -> PersistentCompilerState -- persistent compiler state - -> IO CompResult - -data CompResult - = CompOK ModDetails -- new details (HST additions) - (Maybe (ModIface, Linkable)) - -- summary and code; Nothing => compilation not reqd - -- (old summary and code are still valid) - PersistentCompilerState -- updated PCS +-- Making a DLL (only for Win32) - | CompErrs PersistentCompilerState -- updated PCS - - -compile summary old_iface hst hit pcs = do - verb <- readIORef v_Verbose - when verb (hPutStrLn stderr - (showSDoc (text "compile: compiling" - <+> ppr (name_of_summary summary)))) - - init_dyn_flags <- readIORef v_InitDynFlags - writeIORef v_DynFlags init_dyn_flags - - let location = ms_location summary - let input_fn = unJust (ml_hs_file location) "compile:hs" - - when verb (hPutStrLn stderr ("compile: input file " ++ input_fn)) - - opts <- getOptionsFromSource input_fn - processArgs dynamic_flags opts [] - dyn_flags <- readIORef v_DynFlags +doMkDLL :: [String] -> IO () +doMkDLL o_files = do + verb <- getVerbFlag + static <- readIORef v_Static + no_hs_main <- readIORef v_NoHsMain - hsc_lang <- readIORef v_Hsc_Lang - output_fn <- case hsc_lang of - HscAsm -> newTempName (phaseInputExt As) - HscC -> newTempName (phaseInputExt HCc) - HscJava -> newTempName "java" -- ToDo - HscInterpreted -> return (error "no output file") + o_file <- readIORef v_Output_file + let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; } - -- run the compiler - hsc_result <- hscMain dyn_flags{ hscOutName = output_fn } - (panic "compile:source_unchanged") - location old_iface hst hit pcs - - case hsc_result of { - HscFail pcs -> return (CompErrs pcs); - - HscOK details maybe_iface - maybe_stub_h maybe_stub_c maybe_interpreted_code pcs -> do - - -- if no compilation happened, bail out early - case maybe_iface of { - Nothing -> return (CompOK details Nothing pcs); - Just iface -> do - - let (basename, _) = splitFilename input_fn - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c - let stub_unlinked = case maybe_stub_o of - Nothing -> [] - Just stub_o -> [ DotO stub_o ] + pkg_lib_paths <- getPackageLibraryPath + let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths - hs_unlinked <- - case hsc_lang of + lib_paths <- readIORef v_Library_paths + let lib_path_opts = map ("-L"++) lib_paths - -- in interpreted mode, just return the compiled code - -- as our "unlinked" object. - HscInterpreted -> - case maybe_interpreted_code of - Just (code,itbl_env) -> return [Trees code itbl_env] - Nothing -> panic "compile: no interpreted code" + pkg_libs <- getPackageLibraries + let imp = if static then "" else "_imp" + pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs - -- we're in batch mode: finish the compilation pipeline. - _other -> do pipe <- genPipeline (StopBefore Ln) "" output_fn - o_file <- runPipeline pipe output_fn False False - return [ DotO o_file ] + libs <- readIORef v_Cmdline_libraries + let lib_opts = map ("-l"++) (reverse libs) + -- reverse because they're added in reverse order from the cmd line - let linkable = LM (moduleName (ms_mod summary)) - (hs_unlinked ++ stub_unlinked) + pkg_extra_ld_opts <- getPackageExtraLdOpts - return (CompOK details (Just (iface, linkable)) pcs) - } - } + -- probably _stub.o files + extra_ld_inputs <- readIORef v_Ld_inputs ------------------------------------------------------------------------------ --- stub .h and .c files (for foreign export support) + -- opts from -optdll- + extra_ld_opts <- getStaticOpts v_Opt_dll -dealWithStubs basename maybe_stub_h maybe_stub_c + [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, stdPackage] - = do let stub_h = basename ++ "_stub.h" - let stub_c = basename ++ "_stub.c" + let extra_os = if static || no_hs_main + then [] + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] - -- copy the .stub_h file into the current dir if necessary - case maybe_stub_h of - Nothing -> return () - Just tmp_stub_h -> do - run_something "Copy stub .h file" - ("cp " ++ tmp_stub_h ++ ' ':stub_h) - - -- #include <..._stub.h> in .hc file - addCmdlineHCInclude tmp_stub_h -- hack - - -- copy the .stub_c file into the current dir, and compile it, if necessary - case maybe_stub_c of - Nothing -> return Nothing - Just tmp_stub_c -> do -- copy the _stub.c file into the current dir - run_something "Copy stub .c file" - (unwords [ - "rm -f", stub_c, "&&", - "echo \'#include \""++stub_h++"\"\' >"++stub_c, " &&", - "cat", tmp_stub_c, ">> ", stub_c - ]) - - -- compile the _stub.c file w/ gcc - pipeline <- genPipeline (StopBefore Ln) "" stub_c - stub_o <- runPipeline pipeline stub_c False{-no linking-} - False{-no -o option-} - - return (Just stub_o) + (md_c_flags, _) <- machdepCCOpts + SysTools.runMkDLL + ([ SysTools.Option verb + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags + ++ o_files + ++ extra_os + ++ [ "--target=i386-mingw32" ] + ++ extra_ld_inputs + ++ lib_path_opts + ++ lib_opts + ++ pkg_lib_path_opts + ++ pkg_lib_opts + ++ pkg_extra_ld_opts + ++ (if "--def" `elem` (concatMap words extra_ld_opts) + then [ "" ] + else [ "--export-all" ]) + ++ extra_ld_opts + ))