X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=c81294c69259769cd848d19bedc6351c5f37b747;hb=50027272414438955dbc41696541cbd25da55883;hp=5c32153f6238350ef84b5d6ae3204ab28243e934;hpb=2c63b3b61a8e9f7b78ec179a46234c771dae4c78;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 5c32153..c81294c 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,5 +1,5 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.38 2000/12/05 12:19:49 rrt Exp $ +-- $Id: DriverPipeline.hs,v 1.57 2001/03/23 16:36:20 simonmar 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 CmStaticInfo import CmTypes import GetImports import DriverState @@ -32,12 +36,14 @@ 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 ) @@ -50,12 +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 @@ -66,6 +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 @@ -85,13 +95,13 @@ getGhcMode flags ([(flag,one)], rest) -> return (rest, one, flag) (_ , _ ) -> throwDyn (OtherError - "only one of the flags -M, -E, -C, -S, -c, --make, --interactive is allowed") + "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 @@ -144,12 +154,16 @@ genPipeline todo stop_flag persistent_output lang filename ----------- ----- ---- --- -- -- - - - (_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 + -- for a .hc file we need to force lang to HscC real_lang | start_phase == HCc = HscC | otherwise = lang @@ -171,12 +185,17 @@ genPipeline todo stop_flag persistent_output lang filename HscJava | split -> not_valid | otherwise -> error "not implemented: compiling via Java" +#ifdef ILX + HscILX | split -> not_valid + | otherwise -> [ Unlit, Cpp, Hsc ] +#endif | cish = [ Cc, As ] | otherwise = [ ] -- just pass this file through to the linker -- ToDo: this is somewhat cryptic + not_valid = throwDyn (OtherError ("invalid option combination")) ----------- ----- ---- --- -- -- - - - @@ -186,18 +205,6 @@ genPipeline todo stop_flag persistent_output lang filename ++ 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 ----------- ----- ---- --- -- -- - - - myPhaseInputExt Ln = case osuf of Nothing -> phaseInputExt Ln @@ -229,18 +236,33 @@ 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 + 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 (OtherError + ("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 @@ -300,14 +322,9 @@ 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 @@ -320,19 +337,21 @@ run_phase Cpp basename suff input_fn output_fn ++ pkg_include_dirs) verb <- getVerbFlag + (md_c_flags, _) <- machdepCCOpts runSomething "C pre-processor" (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}'", ">", output_fn, "&&", + (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}'", ">", output_fn, "&&", cpp, verb] ++ include_paths ++ hs_src_cpp_opts ++ hscpp_opts + ++ md_c_flags ++ [ "-x", "c", input_fn, ">>", output_fn ] )) else do runSomething "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}' > " + ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " ++ output_fn ++ " && cat " ++ input_fn ++ " >> " ++ output_fn) return True @@ -419,6 +438,20 @@ run_phase Hsc basename suff input_fn output_fn 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 + -- figure out if the source has changed, for recompilation avoidance. -- only do this if we're eventually going to generate a .o file. -- (ToDo: do when generating .hc files too?) @@ -430,7 +463,7 @@ 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 ++ '.':phase_input_ext Ln) + o_file' <- odir_ify (basename ++ '.':phaseInputExt Ln) o_file <- osuf_ify o_file' source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) @@ -444,13 +477,12 @@ 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 - } + -- build a ModuleLocation to pass to hscMain. + modsrc <- readFile input_fn + let (srcimps,imps,mod_name) = getImports modsrc + + Just (mod, location) + <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff) -- get the DynFlags dyn_flags <- readIORef v_DynFlags @@ -459,8 +491,10 @@ run_phase Hsc basename suff input_fn output_fn pcs <- initPersistentCompilerState result <- hscMain OneShot dyn_flags{ hscOutName = output_fn } + mod + location{ ml_hspp_file=Just input_fn } source_unchanged - location + False Nothing -- no iface emptyModuleEnv -- HomeSymbolTable emptyModuleEnv -- HomeIfaceTable @@ -470,7 +504,11 @@ run_phase Hsc basename suff input_fn output_fn HscFail pcs -> throwDyn (PhaseFailed "hsc" (ExitFailure 1)); - HscNoRecomp pcs details iface -> return False; + HscNoRecomp pcs details iface -> + do { + runSomething "Touching object file" ("touch " ++ o_file); + return False; + }; HscRecomp pcs details iface maybe_stub_h maybe_stub_c _maybe_interpreted_code -> do @@ -490,7 +528,7 @@ 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) @@ -505,26 +543,6 @@ 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 @@ -543,7 +561,7 @@ run_phase cc_phase _basename _suff input_fn output_fn excessPrecision <- readIORef v_Excess_precision runSomething "C Compiler" - (unwords ([ cc, "-x", "c", cc_help, "-o", output_fn ] + (unwords ([ cc, "-x", "c", input_fn, "-o", output_fn ] ++ md_c_flags ++ (if cc_phase == HCc && mangle then md_regd_c_flags @@ -555,7 +573,6 @@ run_phase cc_phase _basename _suff input_fn output_fn ++ (if excessPrecision then [] else [ "-ffloat-store" ]) ++ include_paths ++ pkg_extra_cc_opts --- ++ [">", ccout] )) return True @@ -569,7 +586,7 @@ 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 [] runSomething "Assembly Mangler" @@ -651,6 +668,100 @@ 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 (OtherError ( + basename ++ "." ++ suff + ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" + ++ unwords flags)) (ExitFailure 1)) + +----------------------------------------------------------------------------- -- Linking doLink :: [String] -> IO () @@ -690,9 +801,8 @@ doLink o_files = do #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" ] #endif (md_c_flags, _) <- machdepCCOpts runSomething "Linker" @@ -717,6 +827,80 @@ doLink o_files = do #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 (OtherError ("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 + 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 + ) + ) ----------------------------------------------------------------------------- -- Just preprocess a file, put the result in a temp. file (used by the @@ -725,14 +909,12 @@ 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 - + 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. -- @@ -751,7 +933,8 @@ 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 @@ -769,11 +952,10 @@ data CompResult | CompErrs PersistentCompilerState -- updated PCS -compile ghci_mode summary source_unchanged old_iface hst hit pcs = do +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 - init_driver_state <- readIORef v_InitDriverState - writeIORef v_Driver_state init_driver_state showPass init_dyn_flags (showSDoc (text "Compiling" <+> ppr (name_of_summary summary))) @@ -794,12 +976,15 @@ compile ghci_mode summary source_unchanged old_iface hst hit pcs = do HscAsm -> newTempName (phaseInputExt As) HscC -> newTempName (phaseInputExt HCc) HscJava -> newTempName "java" -- ToDo +#ifdef ILX + HscILX -> newTempName "ilx" -- ToDo +#endif HscInterpreted -> return (error "no output file") -- run the compiler hsc_result <- hscMain ghci_mode dyn_flags{ hscOutName = output_fn } - source_unchanged - location old_iface hst hit pcs + (ms_mod summary) location + source_unchanged have_object old_iface hst hit pcs case hsc_result of HscFail pcs -> return (CompErrs pcs) @@ -822,8 +1007,8 @@ compile ghci_mode summary source_unchanged old_iface hst hit pcs = do -- as our "unlinked" object. HscInterpreted -> case maybe_interpreted_code of - Just (code,itbl_env) -> do tm <- getClockTime - return ([Trees code itbl_env], tm) + 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.