X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=289285ddd549cd6cbf60a1907df287162219ccbf;hb=5d090a3148fd99c318b1e4b33c5f3c705e0a58c6;hp=facd9ca259a61f14b8ec6037a877912ca11202b6;hpb=c7955cf7e34273b5ec624dae0015cec677624c6c;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index facd9ca..289285d 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,5 +1,5 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.31 2000/11/20 11:39:57 sewardj Exp $ +-- $Id: DriverPipeline.hs,v 1.86 2001/07/03 16:46:21 rrt Exp $ -- -- GHC Driver -- @@ -7,22 +7,26 @@ -- ----------------------------------------------------------------------------- +#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, CompResult(..), -- batch-mode linking interface - doLink + doLink, + -- DLL building + doMkDLL ) where #include "HsVersions.h" -import CmStaticInfo ( GhciMode(..) ) +import Packages import CmTypes import GetImports import DriverState @@ -30,15 +34,20 @@ import DriverUtil import DriverMkDepend import DriverPhases import DriverFlags +import SysTools ( newTempName, addFilesToClean, getSysMan ) +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 Time ( getClockTime ) import Directory import System import IOExts @@ -48,22 +57,15 @@ import IO import Monad import Maybe +import PackedString +import MatchPS + ----------------------------------------------------------------------------- -- 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 "--mk-dll" = Just $ DoMkDLL modeFlag "-E" = Just $ StopBefore Hsc modeFlag "-C" = Just $ StopBefore HCc modeFlag "-S" = Just $ StopBefore As @@ -82,18 +84,18 @@ 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 @@ -109,8 +111,8 @@ 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 @@ -137,19 +139,24 @@ genPipeline todo stop_flag persistent_output lang filename 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 we need to force lang to HscC - real_lang | start_phase == HCc = 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 ----------- ----- ---- --- -- -- - - - @@ -169,38 +176,45 @@ genPipeline todo stop_flag persistent_output lang 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")) + + stop_phase = case todo of + StopBefore As | split -> SplitAs + StopBefore phase -> phase + DoMkDependHS -> Ln + DoLink -> Ln ----------- ----- ---- --- -- -- - - - -- 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 + -- 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 ++ "'")) - _ -> return () + else do 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 @@ -227,18 +241,17 @@ genPipeline todo stop_flag persistent_output lang 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 + + 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 @@ -285,11 +298,8 @@ pipeLoop ((phase, keep, o_suffix):phases) -- 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) + = do unlit_flags <- getOpts opt_L + SysTools.runUnlit (unlit_flags ++ ["-h", input_fn, input_fn, output_fn]) return True ------------------------------------------------------------------------------- @@ -298,18 +308,12 @@ 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 - hscpp_opts <- getOpts opt_P + hscpp_opts <- getOpts opt_P hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts cmdline_include_paths <- readIORef v_Include_paths @@ -317,21 +321,33 @@ 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" - (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}'", ">", output_fn, "&&", - cpp, verb] - ++ include_paths - ++ hs_src_cpp_opts - ++ hscpp_opts - ++ [ "-x", "c", input_fn, ">>", output_fn ] - )) + verb <- getVerbFlag + (md_c_flags, _) <- machdepCCOpts + + SysTools.runCpp ([verb] + ++ include_paths + ++ hs_src_cpp_opts + ++ hscpp_opts + ++ md_c_flags + ++ [ "-x", "c", input_fn, "-o", output_fn ]) + + -- ToDo: switch away from using 'echo' altogether (but need + -- a faster alternative than what's done below). +#if defined(mingw32_TARGET_OS) else do - run_something "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}' > " + 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 +#else + else do + SysTools.runSomething "Ineffective C pre-processor" + ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " ++ output_fn ++ " && cat " ++ input_fn - ++ " >> " ++ output_fn) + ++ " >> " ++ output_fn) [] +#endif return True ----------------------------------------------------------------------------- @@ -339,10 +355,11 @@ run_phase Cpp basename suff input_fn output_fn run_phase MkDependHS basename suff input_fn _output_fn = do src <- readFile input_fn - let (import_sources, import_normals, module_name) = getImports src + let (import_sources, import_normals, _) = getImports src - deps_sources <- mapM (findDependency True basename) import_sources - deps_normals <- mapM (findDependency False basename) import_normals + 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_Object_suf @@ -356,6 +373,7 @@ run_phase MkDependHS basename suff input_fn _output_fn = do 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 @@ -409,12 +427,31 @@ 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 -> 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 (Just (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. @@ -425,9 +462,13 @@ 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 = + case expl_o_file of + Nothing -> unJust "source_unchanged" (ml_obj_file location) + Just x -> x source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) then return False @@ -440,23 +481,21 @@ 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 ++ ".core" } -- run the compiler! pcs <- initPersistentCompilerState result <- hscMain OneShot - dyn_flags{ hscOutName = output_fn } + dyn_flags' mod + location{ ml_hspp_file=Just input_fn } source_unchanged - location + False Nothing -- no iface emptyModuleEnv -- HomeSymbolTable emptyModuleEnv -- HomeIfaceTable @@ -466,17 +505,19 @@ 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 { SysTools.touch "Touching object file" o_file + ; 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 } ----------------------------------------------------------------------------- @@ -485,10 +526,9 @@ 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 - cc_opts <- (getOpts opt_c) + = do cc_opts <- getOpts opt_c cmdline_include_dirs <- readIORef v_Include_paths let hcc = cc_phase == HCc @@ -500,30 +540,10 @@ 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" @@ -536,25 +556,19 @@ run_phase cc_phase _basename _suff input_fn output_fn | otherwise = [ ] 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] - )) + SysTools.runCc ([ "-x", "c", input_fn, "-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 + ++ (if excessPrecision then [] else [ "-ffloat-store" ]) + ++ include_paths + ++ pkg_extra_cc_opts + ) return True -- ToDo: postprocess the output from gcc @@ -563,100 +577,171 @@ 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 - )) + = 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 (mangler_opts + ++ [ input_fn, output_fn ] + ++ machdep_opts) return True ----------------------------------------------------------------------------- -- 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 + = 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 [input_fn, split_s_prefix, 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 True ----------------------------------------------------------------------------- -- 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 ] - )) + + SysTools.runAs (as_opts + ++ [ "-I" ++ p | p <- cmdline_include_paths ] + ++ [ "-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 + = do as_opts <- getOpts opt_a - split_s_prefix <- readIORef v_Split_prefix - n <- readIORef v_N_split_files + (split_s_prefix, n) <- readIORef v_Split_info odir <- readIORef v_Output_dir let real_odir = case odir of Nothing -> basename 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 (as_opts ++ ["-c", "-o", real_o, input_s]) mapM_ assemble_file [1..n] 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 + 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);" + ] + +----------------------------------------------------------------------------- +-- 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 - static <- readIORef v_Static - let imp = if static then "" else "_imp" + verb <- getVerbFlag + static <- readIORef v_Static no_hs_main <- readIORef v_NoHsMain o_file <- readIORef v_Output_file @@ -669,7 +754,8 @@ 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) @@ -685,36 +771,100 @@ doLink o_files = do rts_pkg <- getPackageDetails ["rts"] std_pkg <- getPackageDetails ["std"] -#ifdef mingw32_TARGET_OS let extra_os = if static || no_hs_main then [] --- else [ head (lib_paths (head rts_pkg)) ++ "/Main.dll_o", --- head (lib_paths (head std_pkg)) ++ "/PrelMain.dll_o" ] - else [] + else [ head (library_dirs (head rts_pkg)) ++ "/Main.dll_o", + head (library_dirs (head std_pkg)) ++ "/PrelMain.dll_o" ] + + (md_c_flags, _) <- machdepCCOpts + SysTools.runLink ( [verb, "-o", output_fn] + ++ md_c_flags + ++ o_files + ++ extra_os + ++ extra_ld_inputs + ++ lib_path_opts + ++ lib_opts + ++ pkg_lib_path_opts + ++ pkg_lib_opts + ++ pkg_extra_ld_opts + ++ extra_ld_opts + ++ if static && not no_hs_main then +#ifdef LEADING_UNDERSCORE + [ "-u _PrelMain_mainIO_closure" , + "-u ___init_PrelMain"] +#else + [ "-u PrelMain_mainIO_closure" , + "-u __init_PrelMain"] #endif + 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"))) + +----------------------------------------------------------------------------- +-- Making a DLL (only for Win32) + +doMkDLL :: [String] -> IO () +doMkDLL o_files = do + verb <- getVerbFlag + static <- readIORef v_Static + 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 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 + + 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"] + + 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" ] + (md_c_flags, _) <- machdepCCOpts - run_something "Linker" - (unwords - ([ ln, verb, "-o", output_fn ] + SysTools.runMkDLL + ([ verb, "-o", output_fn ] ++ md_c_flags ++ o_files -#ifdef mingw32_TARGET_OS ++ extra_os -#endif + ++ [ "--target=i386-mingw32" ] ++ 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 -#ifdef mingw32_TARGET_OS - ++ if static then [ "-u _PrelMain_mainIO_closure" , "-u ___init_PrelMain"] else [] -#else - ++ [ "-u PrelMain_mainIO_closure" , "-u __init_PrelMain"] -#endif ) - ) ----------------------------------------------------------------------------- -- Just preprocess a file, put the result in a temp. file (used by the @@ -722,15 +872,12 @@ doLink o_files = do preprocess :: FilePath -> IO FilePath preprocess filename = - ASSERT(haskellish_file filename) - do init_driver_state <- readIORef v_InitDriverState - writeIORef v_Driver_state init_driver_state - + ASSERT(haskellish_src_file filename) + do restoreDynFlags -- Restore to state of last save pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False - defaultHscLang filename + defaultHscLang filename runPipeline pipeline filename False{-no linking-} False{-no -o flag-} - ----------------------------------------------------------------------------- -- Compile a single module, under the control of the compilation manager. -- @@ -749,7 +896,8 @@ preprocess filename = compile :: GhciMode -- distinguish batch from interactive -> ModSummary -- summary, including source - -> Bool -- source unchanged? + -> Bool -- True <=> source unchanged + -> Bool -- True <=> have object -> Maybe ModIface -- old interface, if available -> HomeSymbolTable -- for home module ModDetails -> HomeIfaceTable -- for home module Ifaces @@ -757,74 +905,93 @@ compile :: GhciMode -- distinguish batch from interactive -> 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 ghci_mode summary source_unchanged 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 + dyn_flags <- restoreDynFlags -- Restore to the state of the last save + - init_dyn_flags <- readIORef v_InitDynFlags - writeIORef v_DynFlags init_dyn_flags - init_driver_state <- readIORef v_InitDriverState - writeIORef v_Driver_state init_driver_state + showPass dyn_flags + (showSDoc (text "Compiling" <+> ppr (name_of_summary summary))) - let location = ms_location summary + let verb = verbosity 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) - when verb (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) + when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) opts <- getOptionsFromSource input_fnpp processArgs dynamic_flags opts [] - dyn_flags <- readIORef v_DynFlags + dyn_flags <- getDynFlags - let hsc_lang = hscLang dyn_flags + 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", + extCoreName = basename ++ ".core" } + + -- 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 ghci_mode dyn_flags{ hscOutName = output_fn } - 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) "" True @@ -833,49 +1000,27 @@ compile ghci_mode summary source_unchanged old_iface hst hit pcs = do -- 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 - return [ DotO o_file ] + 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) "" True - defaultHscLang stub_c - stub_o <- runPipeline pipeline stub_c False{-no linking-} - False{-no -o option-} - - return (Just stub_o) + return (Just stub_o)