X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=48ae181670621881b71fb7c12b31aed3251c3ad0;hb=e0a941b95506cef196e7a8ad1e002920d181f302;hp=555afc5164bbb88e8d9be286ea6fa0e6a6e1a0f7;hpb=12467fbf505554bb20d0a3502dc162d605373da5;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 555afc5..48ae181 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,5 +1,5 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.14 2000/10/31 13:01:46 sewardj Exp $ +-- $Id: DriverPipeline.hs,v 1.73 2001/05/31 11:32:25 simonmar Exp $ -- -- GHC Driver -- @@ -7,23 +7,28 @@ -- ----------------------------------------------------------------------------- +#include "../includes/config.h" + module DriverPipeline ( -- interfaces for the batch-mode driver GhcMode(..), getGhcMode, v_GhcMode, - genPipeline, runPipeline, + genPipeline, runPipeline, pipeLoop, -- interfaces for the compilation manager (interpreted/batch-mode) - preprocess, compile, + preprocess, compile, CompResult(..), -- batch-mode linking interface doLink, + -- DLL building + doMkDLL ) where #include "HsVersions.h" -import CmSummarise -import CmLink +import CmStaticInfo +import CmTypes +import GetImports import DriverState import DriverUtil import DriverMkDepend @@ -31,13 +36,17 @@ import DriverPhases import DriverFlags import HscMain import TmpFiles +import Finder import HscTypes import Outputable import Module +import ErrUtils import CmdLineOpts import Config +import Panic import Util +import Time ( getClockTime ) import Directory import System import IOExts @@ -47,12 +56,15 @@ import IO import Monad import Maybe +import PackedString +import MatchPS + ----------------------------------------------------------------------------- -- GHC modes of operation data GhcMode = DoMkDependHS -- ghc -M - | DoMkDLL -- ghc -mk-dll + | DoMkDLL -- ghc --mk-dll | StopBefore Phase -- ghc -E | -C | -S | -c | DoMake -- ghc --make | DoInteractive -- ghc --interactive @@ -63,6 +75,7 @@ GLOBAL_VAR(v_GhcMode, error "todo", GhcMode) modeFlag :: String -> Maybe GhcMode modeFlag "-M" = Just $ DoMkDependHS +modeFlag "--mk-dll" = Just $ DoMkDLL modeFlag "-E" = Just $ StopBefore Hsc modeFlag "-C" = Just $ StopBefore HCc modeFlag "-S" = Just $ StopBefore As @@ -81,18 +94,18 @@ getGhcMode flags ([] , 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") + throwDyn (UsageError + "only one of the flags -M, -E, -C, -S, -c, --make, --interactive, -mk-dll is allowed") ----------------------------------------------------------------------------- -- genPipeline -- -- 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 @@ -108,17 +121,19 @@ 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) + -> Bool -- True => output is persistent + -> HscLang -- preferred output language for hsc -> String -- original filename -> IO [ -- list of phases to run for this file (Phase, @@ -126,27 +141,32 @@ genPipeline String) -- output file suffix ] -genPipeline todo stop_flag filename +genPipeline todo stop_flag persistent_output lang filename = 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 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_phase = startPhase suffix + start = 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 ----------- ----- ---- --- -- -- - - - @@ -166,35 +186,30 @@ genPipeline todo stop_flag filename HscJava | split -> not_valid | otherwise -> error "not implemented: compiling via Java" + HscILX | split -> not_valid + | otherwise -> [ Unlit, Cpp, Hsc ] | cish = [ Cc, As ] | 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")) ----------- ----- ---- --- -- -- - - - -- this shouldn't happen. if start_phase /= Ln && start_phase `notElem` pipeline - then throwDyn (OtherError ("can't find starting phase for " - ++ filename)) + then throwDyn (CmdLineError ("can't find starting phase for " + ++ filename)) else do - -- 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 () - let - ----------- ----- ---- --- -- -- - - - + -- .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 -> Phase -- phase to stop before @@ -202,13 +217,14 @@ genPipeline todo stop_flag filename annotatePipeline [] _ = [] annotatePipeline (Ln:_) _ = [] annotatePipeline (phase:next_phase:ps) stop = - (phase, keep_this_output, phaseInputExt next_phase) + (phase, keep_this_output, myPhaseInputExt next_phase) : 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 @@ -219,18 +235,33 @@ genPipeline todo stop_flag filename -- 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 + stop_phase = case todo of + StopBefore As | split -> SplitAs + StopBefore phase -> phase + DoMkDependHS -> Ln + DoLink -> Ln + + 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 + -- if we can't find the phase we're supposed to stop before, + -- 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). + if start_phase `elem` pipeline && + (stop_phase /= Ln && stop_phase `notElem` pipeline) + then throwDyn (UsageError + ("flag " ++ stop_flag + ++ " is incompatible with source file `" ++ filename ++ "'")) + else do + + return ( + takeWhile (phase_ne stop_phase ) $ + dropWhile (phase_ne start_phase) $ + annotated_pipeline + ) runPipeline @@ -260,12 +291,6 @@ pipeLoop ((phase, keep, o_suffix):phases) 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 where @@ -276,8 +301,7 @@ pipeLoop ((phase, keep, o_suffix):phases) Just s -> return s Nothing -> error "outputFileName" else if keep == Persistent - then do f <- odir_ify (orig_basename ++ '.':suffix) - osuf_ify f + then odir_ify (orig_basename ++ '.':suffix) else newTempName suffix ------------------------------------------------------------------------------- @@ -286,9 +310,11 @@ pipeLoop ((phase, keep, o_suffix):phases) 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) + runSomething "Literate pre-processor" + (unlit ++ unwords unlit_flags ++ + " -h " ++ input_fn ++ + ' ':input_fn ++ + ' ':output_fn) return True ------------------------------------------------------------------------------- @@ -297,17 +323,12 @@ 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 + do_cpp <- dynFlag cppFlag if do_cpp then do - cpp <- readIORef v_Pgm_P + cpp <- readIORef v_Pgm_P >>= prependToolDir hscpp_opts <- getOpts opt_P hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts @@ -316,21 +337,36 @@ run_phase Cpp basename suff input_fn output_fn let include_paths = map (\p -> "-I"++p) (cmdline_include_paths ++ pkg_include_dirs) - verb <- is_verbose - run_something "C pre-processor" + verb <- getVerbFlag + (md_c_flags, _) <- machdepCCOpts + + runSomething "C pre-processor" (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}'", ">", output_fn, "&&", - cpp, verb] + ([cpp, verb] ++ include_paths ++ hs_src_cpp_opts ++ hscpp_opts - ++ [ "-x", "c", input_fn, ">>", output_fn ] + ++ md_c_flags + ++ [ "-x", "c", input_fn, "-o", output_fn ] )) + -- ToDo: switch away from using 'echo' alltogether (but need + -- a faster alternative than what's done below). +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + else (do + h <- openFile output_fn WriteMode + hPutStrLn h ("{-# LINE 1 \"" ++ input_fn ++ "\" #-}") + ls <- readFile input_fn -- inefficient, but it'll do for now. + -- ToDo: speed up via slurping. + hPutStrLn h ls + hClose h) `catchAllIO` + (\_ -> throwDyn (PhaseFailed "Ineffective C pre-processor" (ExitFailure 1))) +#else else do - run_something "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}' > " + runSomething "Ineffective C pre-processor" + ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " ++ output_fn ++ " && cat " ++ input_fn ++ " >> " ++ output_fn) +#endif return True ----------------------------------------------------------------------------- @@ -338,13 +374,16 @@ run_phase Cpp basename suff input_fn output_fn run_phase MkDependHS basename suff input_fn _output_fn = do src <- readFile input_fn - let imports = getImports src + let (import_sources, import_normals, module_name) = getImports src - deps <- mapM (findDependency basename) imports + 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 - osuf_opt <- readIORef v_Output_suf + osuf_opt <- readIORef v_Object_suf let osuf = case osuf_opt of - Nothing -> "o" + Nothing -> phaseInputExt Ln Just s -> s extra_suffixes <- readIORef v_Dep_suffixes @@ -406,13 +445,31 @@ 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) <- getImportsFromFile input_fn + + -- build a ModuleLocation to pass to hscMain. + Just (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. @@ -425,7 +482,7 @@ run_phase Hsc basename suff input_fn output_fn -- 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) + let o_file = unJust "source_unchanged" (ml_obj_file location) source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) then return False @@ -438,22 +495,20 @@ 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 + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h" } + -- run the compiler! pcs <- initPersistentCompilerState - result <- hscMain dyn_flags{ hscOutName = output_fn } + result <- hscMain OneShot + dyn_flags' mod + location{ ml_hspp_file=Just input_fn } source_unchanged - location + False Nothing -- no iface emptyModuleEnv -- HomeSymbolTable emptyModuleEnv -- HomeIfaceTable @@ -463,17 +518,27 @@ run_phase Hsc basename suff input_fn output_fn 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 { +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + touch <- readIORef v_Pgm_T; + runSomething "Touching object file" (unwords [dosifyPath touch, dosifyPath o_file]); +#else + runSomething "Touching object file" (unwords [cTOUCH, o_file]); +#endif + return False; + }; + + HscRecomp pcs details iface stub_h_exists stub_c_exists + _maybe_interpreted_code -> do -- deal with stubs - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c + 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 - let keep_going = case maybe_iface of Just _ -> True; Nothing -> False - return keep_going + return True } ----------------------------------------------------------------------------- @@ -482,9 +547,9 @@ 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 + = do cc <- readIORef v_Pgm_c >>= prependToolDir >>= appendInstallDir cc_opts <- (getOpts opt_c) cmdline_include_dirs <- readIORef v_Include_paths @@ -497,30 +562,10 @@ run_phase cc_phase _basename _suff input_fn output_fn 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" - 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" @@ -528,10 +573,13 @@ run_phase cc_phase _basename _suff input_fn output_fn pkg_extra_cc_opts <- getPackageExtraCcOpts - excessPrecision <- readIORef v_Excess_precision + split_objs <- readIORef v_Split_object_files + let split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ] + | otherwise = [ ] - run_something "C Compiler" - (unwords ([ cc, "-x", "c", cc_help, "-o", output_fn ] + excessPrecision <- readIORef v_Excess_precision + runSomething "C Compiler" + (unwords ([ cc, "-x", "c", input_fn, "-o", output_fn ] ++ md_c_flags ++ (if cc_phase == HCc && mangle then md_regd_c_flags @@ -539,13 +587,10 @@ run_phase cc_phase _basename _suff input_fn output_fn ++ [ verb, "-S", "-Wimplicit", opt_flag ] ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] ++ cc_opts -#ifdef mingw32_TARGET_OS - ++ [" -mno-cygwin"] -#endif + ++ split_opt ++ (if excessPrecision then [] else [ "-ffloat-store" ]) ++ include_paths ++ pkg_extra_cc_opts --- ++ [">", ccout] )) return True @@ -559,12 +604,17 @@ run_phase Mangle _basename _suff input_fn output_fn mangler_opts <- getOpts opt_m machdep_opts <- if (prefixMatch "i386" cTARGETPLATFORM) - then do n_regs <- readState stolen_x86_regs + then do n_regs <- dynFlag stolen_x86_regs return [ show n_regs ] else return [] - run_something "Assembly Mangler" - (unwords (mangler : - mangler_opts +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + perl_path <- prependToolDir ("perl") + let real_mangler = unwords [perl_path, mangler] +#else + let real_mangler = mangler +#endif + runSomething "Assembly Mangler" + (unwords (real_mangler : mangler_opts ++ [ input_fn, output_fn ] ++ machdep_opts )) @@ -575,7 +625,6 @@ run_phase Mangle _basename _suff input_fn output_fn 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 @@ -586,8 +635,14 @@ run_phase SplitMangle _basename _suff input_fn _output_fn -- 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 +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + perl_path <- prependToolDir ("perl") + let real_splitter = unwords [perl_path, splitter] +#else + let real_splitter = splitter +#endif + runSomething "Split Assembly File" + (unwords [ real_splitter , input_fn , split_s_prefix , n_files ] @@ -603,12 +658,12 @@ run_phase SplitMangle _basename _suff input_fn _output_fn -- As phase run_phase As _basename _suff input_fn output_fn - = do as <- readIORef v_Pgm_a + = do as <- readIORef v_Pgm_a >>= prependToolDir >>= appendInstallDir 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" + runSomething "Assembler" (unwords (as : as_opts ++ cmdline_include_flags ++ [ "-c", input_fn, "-o", output_fn ] @@ -632,7 +687,7 @@ run_phase SplitAs basename _suff _input_fn _output_fn let output_o = newdir real_odir (basename ++ "__" ++ show n ++ ".o") real_o <- osuf_ify output_o - run_something "Assembler" + runSomething "Assembler" (unwords (as : as_opts ++ [ "-c", "-o", real_o, input_s ] )) @@ -641,12 +696,110 @@ run_phase SplitAs basename _suff _input_fn _output_fn return True ----------------------------------------------------------------------------- +-- 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 doLink 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 + top_dir <- readIORef v_TopDir + 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 + sysMan = top_dir ++ "/ghc/rts/parallel/SysMan"; + -- 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);" + ] + +----------------------------------------------------------------------------- +-- Complain about non-dynamic flags in OPTIONS pragmas + +checkProcessArgsResult flags basename suff + = do when (not (null flags)) (throwDyn (ProgramError ( + basename ++ "." ++ suff + ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" + ++ unwords flags)) (ExitFailure 1)) + +----------------------------------------------------------------------------- -- Linking doLink :: [String] -> IO () doLink o_files = do - ln <- readIORef v_Pgm_l - verb <- is_verbose + ln <- readIORef v_Pgm_l >>= prependToolDir >>= appendInstallDir + verb <- getVerbFlag + static <- readIORef v_Static + let imp = if static then "" else "_imp" + no_hs_main <- readIORef v_NoHsMain + o_file <- readIORef v_Output_file let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; } @@ -657,7 +810,7 @@ doLink o_files = do let lib_path_opts = map ("-L"++) lib_paths pkg_libs <- getPackageLibraries - let pkg_lib_opts = map (\lib -> "-l"++lib) pkg_libs + let pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs libs <- readIORef v_Cmdline_libraries let lib_opts = map ("-l"++) (reverse libs) @@ -671,10 +824,23 @@ doLink o_files = do -- opts from -optl- extra_ld_opts <- getStaticOpts v_Opt_l - run_something "Linker" - (unwords + rts_pkg <- getPackageDetails ["rts"] + std_pkg <- getPackageDetails ["std"] +#ifdef mingw32_TARGET_OS + 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 + (md_c_flags, _) <- machdepCCOpts + runSomething "Linker" + (unwords ([ ln, verb, "-o", output_fn ] + ++ md_c_flags ++ o_files +#ifdef mingw32_TARGET_OS + ++ extra_os +#endif ++ extra_ld_inputs ++ lib_path_opts ++ lib_opts @@ -682,6 +848,85 @@ doLink o_files = do ++ 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"] +#endif + ) + ) + -- 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"))) + +----------------------------------------------------------------------------- +-- Making a DLL + +-- only for Win32, but bits that are #ifdefed in doLn are still #ifdefed here +-- in a vain attempt to aid future portability +doMkDLL :: [String] -> IO () +doMkDLL o_files = do + ln <- readIORef v_Pgm_dll >>= prependToolDir >>= appendInstallDir + verb <- getVerbFlag + static <- readIORef v_Static + let imp = if static then "" else "_imp" + no_hs_main <- readIORef v_NoHsMain + + o_file <- readIORef v_Output_file + let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; } + + pkg_lib_paths <- getPackageLibraryPath + let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths + + lib_paths <- readIORef v_Library_paths + let lib_path_opts = map ("-L"++) lib_paths + + pkg_libs <- getPackageLibraries + let 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 + + pkg_extra_ld_opts <- getPackageExtraLdOpts + + -- probably _stub.o files + extra_ld_inputs <- readIORef v_Ld_inputs + + -- opts from -optdll- + extra_ld_opts <- getStaticOpts v_Opt_dll + + rts_pkg <- getPackageDetails ["rts"] + std_pkg <- getPackageDetails ["std"] +#ifdef mingw32_TARGET_OS + 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 + (md_c_flags, _) <- machdepCCOpts + runSomething "DLL creator" + (unwords + ([ ln, verb, "-o", output_fn ] + ++ md_c_flags + ++ o_files +#ifdef mingw32_TARGET_OS + ++ extra_os + ++ [ "--target=i386-mingw32" ] +#endif + ++ extra_ld_inputs + ++ lib_path_opts + ++ lib_opts + ++ pkg_lib_path_opts + ++ pkg_lib_opts + ++ pkg_extra_ld_opts + ++ (case findPS (packString (concat extra_ld_opts)) (packString "--def") of + Nothing -> [ "--export-all" ] + Just _ -> [ "" ]) + ++ extra_ld_opts ) ) @@ -691,11 +936,13 @@ doLink o_files = do preprocess :: FilePath -> IO FilePath preprocess filename = - ASSERT(haskellish_file filename) - do pipeline <- genPipeline (StopBefore Hsc) ("preprocess") filename + ASSERT(haskellish_src_file filename) + do init_dyn_flags <- readIORef v_InitDynFlags + writeIORef v_DynFlags init_dyn_flags + pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False + defaultHscLang filename runPipeline pipeline filename False{-no linking-} False{-no -o flag-} - ----------------------------------------------------------------------------- -- Compile a single module, under the control of the compilation manager. -- @@ -710,7 +957,12 @@ preprocess filename = -- the .hs file if necessary, and compiling up the .stub_c files to -- generate Linkables. -compile :: ModSummary -- summary, including source +-- NB. No old interface can also mean that the source has changed. + +compile :: GhciMode -- distinguish batch from interactive + -> ModSummary -- summary, including source + -> Bool -- True <=> source unchanged + -> Bool -- True <=> have object -> Maybe ModIface -- old interface, if available -> HomeSymbolTable -- for home module ModDetails -> HomeIfaceTable -- for home module Ifaces @@ -718,116 +970,121 @@ compile :: ModSummary -- summary, including source -> 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 + = CompOK PersistentCompilerState -- updated PCS + ModDetails -- new details (HST additions) + ModIface -- new iface (HIT additions) + (Maybe Linkable) + -- new code; Nothing => compilation was not reqd + -- (old code is still valid) | 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)))) - +compile ghci_mode summary source_unchanged have_object + old_iface hst hit pcs = do 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" + showPass init_dyn_flags + (showSDoc (text "Compiling" <+> ppr (name_of_summary summary))) - when verb (hPutStrLn stderr ("compile: input file " ++ input_fn)) + let verb = verbosity init_dyn_flags + let location = ms_location summary + let input_fn = unJust "compile:hs" (ml_hs_file location) + let input_fnpp = unJust "compile:hspp" (ml_hspp_file location) - opts <- getOptionsFromSource input_fn + when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) + + opts <- getOptionsFromSource input_fnpp processArgs dynamic_flags opts [] dyn_flags <- readIORef v_DynFlags - hsc_lang <- readIORef v_Hsc_Lang + let hsc_lang = hscLang dyn_flags + (basename, _) = splitFilename input_fn + output_fn <- case hsc_lang of HscAsm -> newTempName (phaseInputExt As) HscC -> newTempName (phaseInputExt HCc) HscJava -> newTempName "java" -- ToDo + HscILX -> return (basename ++ ".ilx") -- newTempName "ilx" -- ToDo HscInterpreted -> return (error "no output file") + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h" } + + -- 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 + -- run the compiler - hsc_result <- hscMain dyn_flags{ hscOutName = output_fn } - (panic "compile:source_unchanged") - location old_iface hst hit pcs + hsc_result <- hscMain ghci_mode dyn_flags' + (ms_mod summary) location + source_unchanged have_object old_iface hst hit pcs - case hsc_result of { - HscFail pcs -> return (CompErrs 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 + HscNoRecomp pcs details iface -> return (CompOK pcs details iface Nothing) - let (basename, _) = splitFilename input_fn - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c + 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 <- + (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 - Just (code,itbl_env) -> return [Trees code itbl_env] - Nothing -> panic "compile: no interpreted code" + Just (bcos,itbl_env) -> do tm <- getClockTime + return ([BCOs bcos itbl_env], tm) + Nothing -> panic "compile: no interpreted code" -- 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 ] + _other -> do pipe <- genPipeline (StopBefore Ln) "" True + hsc_lang 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 False False + basename suffix + o_time <- getModificationTime o_file + return ([DotO o_file], o_time) - let linkable = LM (moduleName (ms_mod summary)) - (hs_unlinked ++ stub_unlinked) + let linkable = LM unlinked_time (moduleName (ms_mod summary)) + (hs_unlinked ++ stub_unlinked) + + return (CompOK pcs details iface (Just linkable)) - return (CompOK details (Just (iface, linkable)) pcs) - } - } ----------------------------------------------------------------------------- -- stub .h and .c files (for foreign export support) -dealWithStubs basename maybe_stub_h maybe_stub_c - - = do let stub_h = basename ++ "_stub.h" - let stub_c = basename ++ "_stub.c" +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 + stub_o <- runPipeline pipeline stub_c False{-no linking-} + False{-no -o option-} - -- 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) + return (Just stub_o)