X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverFlags.hs;h=50692f096e7a4dc2027c713954069ad6b886adcd;hb=ea47b6e651e0e8d441fa934965217954b33643ee;hp=f474f6c8eedb30c7d77f322d02f7538f8972454d;hpb=2c63b3b61a8e9f7b78ec179a46234c771dae4c78;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs index f474f6c..50692f0 100644 --- a/ghc/compiler/main/DriverFlags.hs +++ b/ghc/compiler/main/DriverFlags.hs @@ -1,5 +1,7 @@ +{-# OPTIONS -#include "hschooks.h" #-} + ----------------------------------------------------------------------------- --- $Id: DriverFlags.hs,v 1.26 2000/12/05 12:19:49 rrt Exp $ +-- $Id: DriverFlags.hs,v 1.57 2001/06/13 15:50:25 rrt Exp $ -- -- Driver flags -- @@ -7,22 +9,30 @@ -- ----------------------------------------------------------------------------- -module DriverFlags where +module DriverFlags ( + processArgs, OptKind(..), static_flags, dynamic_flags, + v_InitDynFlags, v_DynFlags, getDynFlags, dynFlag, + getOpts, getVerbFlag, addCmdlineHCInclude, + buildStaticHscOpts, + runSomething, + machdepCCOpts + ) where #include "HsVersions.h" -import PackageMaintenance import DriverState import DriverUtil import TmpFiles ( v_TmpDir ) import CmdLineOpts import Config import Util -import TmpFiles ( newTempName ) -import Directory ( removeFile ) +import Panic + import Exception import IOExts + import IO +import Maybe import Monad import System import Char @@ -34,7 +44,7 @@ import Char -- -- * parse the initial list of flags and remove any flags understood -- by the driver only. Determine whether we're in multi-compilation --- or single-compilation mode. +-- or single-compilation mode (done in Main.main). -- -- * gather the list of "static" hsc flags, and assign them to the global -- static hsc flags variable. @@ -176,10 +186,6 @@ static_flags = , ( "dppr-user-length", AnySuffix (add v_Opt_C) ) -- rest of the debugging flags are dynamic - ------- Interface files --------------------------------------------- - , ( "hi" , NoArg (writeIORef v_ProduceHi True) ) - , ( "nohi" , NoArg (writeIORef v_ProduceHi False) ) - --------- Profiling -------------------------------------------------- , ( "auto-dicts" , NoArg (add v_Opt_C "-fauto-sccs-on-dicts") ) , ( "auto-all" , NoArg (add v_Opt_C "-fauto-sccs-on-all-toplevs") ) @@ -194,17 +200,18 @@ static_flags = ------- Miscellaneous ----------------------------------------------- , ( "no-link-chk" , NoArg (return ()) ) -- ignored for backwards compat - , ( "no-hs-main" , NoArg (writeIORef v_noHsMain True) ) + , ( "no-hs-main" , NoArg (writeIORef v_NoHsMain True) ) ------- Output Redirection ------------------------------------------ , ( "odir" , HasArg (writeIORef v_Output_dir . Just) ) , ( "o" , SepArg (writeIORef v_Output_file . Just) ) , ( "osuf" , HasArg (writeIORef v_Object_suf . Just) ) + , ( "hcsuf" , HasArg (writeIORef v_HC_suf . Just) ) , ( "hisuf" , HasArg (writeIORef v_Hi_suf) ) + , ( "hidir" , HasArg (writeIORef v_Hi_dir . Just) ) + , ( "buildtag" , HasArg (writeIORef v_Build_tag) ) , ( "tmpdir" , HasArg (writeIORef v_TmpDir . (++ "/")) ) - , ( "ohi" , HasArg (\s -> case s of - "-" -> writeIORef v_Hi_on_stdout True - _ -> writeIORef v_Output_hi (Just s)) ) + , ( "ohi" , HasArg (writeIORef v_Output_hi . Just) ) -- -odump? , ( "keep-hc-file" , AnySuffix (\_ -> writeIORef v_Keep_hc_files True) ) @@ -234,10 +241,6 @@ static_flags = , ( "package" , HasArg (addPackage) ) , ( "syslib" , HasArg (addPackage) ) -- for compatibility w/ old vsns - , ( "-list-packages" , NoArg (listPackages) ) - , ( "-add-package" , NoArg (newPackage) ) - , ( "-delete-package" , SepArg (deletePackage) ) - ------- Specific phases -------------------------------------------- , ( "pgmL" , HasArg (writeIORef v_Pgm_L) ) , ( "pgmP" , HasArg (writeIORef v_Pgm_P) ) @@ -251,20 +254,14 @@ static_flags = , ( "optl" , HasArg (add v_Opt_l) ) , ( "optdll" , HasArg (add v_Opt_dll) ) - ------ Warning opts ------------------------------------------------- - , ( "W" , NoArg (writeIORef v_Warning_opt W_) ) - , ( "Wall" , NoArg (writeIORef v_Warning_opt W_all) ) - , ( "Wnot" , NoArg (writeIORef v_Warning_opt W_not) ) - , ( "w" , NoArg (writeIORef v_Warning_opt W_not) ) - ----- Linker -------------------------------------------------------- , ( "static" , NoArg (writeIORef v_Static True) ) + , ( "dynamic" , NoArg (writeIORef v_Static False) ) , ( "rdynamic" , NoArg (return ()) ) -- ignored for compat w/ gcc ----- RTS opts ------------------------------------------------------ -#ifdef not_yet , ( "H" , HasArg (setHeapSize . fromIntegral . decodeSize) ) -#endif + , ( "Rghc-timing" , NoArg (enableTimingStats) ) ------ Compiler flags ----------------------------------------------- , ( "O2-for-C" , NoArg (writeIORef v_minus_o2_for_C True) ) @@ -281,11 +278,12 @@ static_flags = , ( "fexcess-precision" , NoArg (do writeIORef v_Excess_precision True add v_Opt_C "-fexcess-precision")) - -- flags that are "active negatives" - , ( "fno-implicit-prelude" , PassFlag (add v_Opt_C) ) - , ( "fno-prune-tydecls" , PassFlag (add v_Opt_C) ) - , ( "fno-prune-instdecls" , PassFlag (add v_Opt_C) ) - , ( "fno-pre-inlining" , PassFlag (add v_Opt_C) ) + -- Optimisation flags are treated specially, so the normal + -- -fno-* pattern below doesn't work. We therefore allow + -- certain optimisation passes to be turned off explicitly: + , ( "fno-strictness" , NoArg (writeIORef v_Strictness False) ) + , ( "fno-cpr" , NoArg (writeIORef v_CPR False) ) + , ( "fno-cse" , NoArg (writeIORef v_CSE False) ) -- All other "-fno-" options cancel out "-f" on the hsc cmdline , ( "fno-", PrefixPred (\s -> isStaticHscFlag ("f"++s)) @@ -300,7 +298,8 @@ static_flags = -- v_InitDynFlags -- is the "baseline" dynamic flags, initialised from --- the defaults and command line options. +-- the defaults and command line options, and updated by the +-- ':s' command in GHCi. -- -- v_DynFlags -- is the dynamic flags for the current compilation. It is reset @@ -320,16 +319,31 @@ getDynFlags = readIORef v_DynFlags dynFlag :: (DynFlags -> a) -> IO a dynFlag f = do dflags <- readIORef v_DynFlags; return (f dflags) -setDynFlag f = updDynFlags (\dfs -> dfs{ flags = f : flags dfs }) -unSetDynFlag f = updDynFlags (\dfs -> dfs{ flags = filter (/= f) (flags dfs) }) +setDynFlag f = updDynFlags (\dfs -> dopt_set dfs f) +unSetDynFlag f = updDynFlags (\dfs -> dopt_unset dfs f) + +addOpt_L a = updDynFlags (\s -> s{opt_L = a : opt_L s}) +addOpt_P a = updDynFlags (\s -> s{opt_P = a : opt_P s}) +addOpt_c a = updDynFlags (\s -> s{opt_c = a : opt_c s}) +addOpt_a a = updDynFlags (\s -> s{opt_a = a : opt_a s}) +addOpt_m a = updDynFlags (\s -> s{opt_m = a : opt_m s}) + +addCmdlineHCInclude a = + updDynFlags (\s -> s{cmdlineHcIncludes = a : cmdlineHcIncludes s}) + + -- we add to the options from the front, so we need to reverse the list +getOpts :: (DynFlags -> [a]) -> IO [a] +getOpts opts = dynFlag opts >>= return . reverse -- we can only change HscC to HscAsm and vice-versa with dynamic flags -- (-fvia-C and -fasm). +-- NB: we can also set the new lang to ILX, via -filx. I hope this is right setLang l = do dfs <- readIORef v_DynFlags case hscLang dfs of HscC -> writeIORef v_DynFlags dfs{ hscLang = l } HscAsm -> writeIORef v_DynFlags dfs{ hscLang = l } + HscILX -> writeIORef v_DynFlags dfs{ hscLang = l } _ -> return () setVerbosityAtLeast n = @@ -337,10 +351,10 @@ setVerbosityAtLeast n = then dfs{ verbosity = n } else dfs) -setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 2 }) +setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 3 }) setVerbosity n | all isDigit n = updDynFlags (\dfs -> dfs{ verbosity = read n }) - | otherwise = throwDyn (OtherError "can't parse verbosity flag (-v)") + | otherwise = throwDyn (UsageError "can't parse verbosity flag (-v)") getVerbFlag = do verb <- dynFlag verbosity @@ -348,7 +362,7 @@ getVerbFlag = do dynamic_flags = [ - ( "cpp", NoArg (updateState (\s -> s{ cpp_flag = True })) ) + ( "cpp", NoArg (updDynFlags (\s -> s{ cppFlag = True })) ) , ( "#include", HasArg (addCmdlineHCInclude) ) , ( "v", OptPrefix (setVerbosity) ) @@ -381,6 +395,7 @@ dynamic_flags = [ , ( "ddump-simpl", NoArg (setDynFlag Opt_D_dump_simpl) ) , ( "ddump-simpl-iterations", NoArg (setDynFlag Opt_D_dump_simpl_iterations) ) , ( "ddump-spec", NoArg (setDynFlag Opt_D_dump_spec) ) + , ( "ddump-sat", NoArg (setDynFlag Opt_D_dump_sat) ) , ( "ddump-stg", NoArg (setDynFlag Opt_D_dump_stg) ) , ( "ddump-stranal", NoArg (setDynFlag Opt_D_dump_stranal) ) , ( "ddump-tc", NoArg (setDynFlag Opt_D_dump_tc) ) @@ -391,10 +406,11 @@ dynamic_flags = [ , ( "ddump-worker-wrapper", NoArg (setDynFlag Opt_D_dump_worker_wrapper) ) , ( "dshow-passes", NoArg (setVerbosity "2") ) , ( "ddump-rn-trace", NoArg (setDynFlag Opt_D_dump_rn_trace) ) + , ( "ddump-tc-trace", NoArg (setDynFlag Opt_D_dump_tc_trace) ) , ( "ddump-rn-stats", NoArg (setDynFlag Opt_D_dump_rn_stats) ) , ( "ddump-stix", NoArg (setDynFlag Opt_D_dump_stix) ) , ( "ddump-simpl-stats", NoArg (setDynFlag Opt_D_dump_simpl_stats) ) - , ( "ddump-interpsyn", NoArg (setDynFlag Opt_D_dump_InterpSyn) ) + , ( "ddump-bcos", NoArg (setDynFlag Opt_D_dump_BCOs) ) , ( "dsource-stats", NoArg (setDynFlag Opt_D_source_stats) ) , ( "dverbose-core2core", NoArg (setDynFlag Opt_D_verbose_core2core) ) , ( "dverbose-stg2stg", NoArg (setDynFlag Opt_D_verbose_stg2stg) ) @@ -405,49 +421,58 @@ dynamic_flags = [ , ( "dstg-lint", NoArg (setDynFlag Opt_DoStgLinting) ) , ( "dusagesp-lint", NoArg (setDynFlag Opt_DoUSPLinting) ) - ------ Warnings ---------------------------------------------------- - - , ( "fwarn-duplicate-exports", NoArg (setDynFlag Opt_WarnDuplicateExports) ) - , ( "fwarn-hi-shadowing", NoArg (setDynFlag Opt_WarnHiShadows) ) - , ( "fwarn-incomplete-patterns", NoArg (setDynFlag Opt_WarnIncompletePatterns) ) - , ( "fwarn-missing-fields", NoArg (setDynFlag Opt_WarnMissingFields) ) - , ( "fwarn-missing-methods", NoArg (setDynFlag Opt_WarnMissingMethods)) - , ( "fwarn-missing-signatures", NoArg (setDynFlag Opt_WarnMissingSigs) ) - , ( "fwarn-name-shadowing", NoArg (setDynFlag Opt_WarnNameShadowing) ) - , ( "fwarn-overlapping-patterns", NoArg (setDynFlag Opt_WarnOverlappingPatterns ) ) - , ( "fwarn-simple-patterns", NoArg (setDynFlag Opt_WarnSimplePatterns)) - , ( "fwarn-type-defaults", NoArg (setDynFlag Opt_WarnTypeDefaults) ) - , ( "fwarn-unused-binds", NoArg (setDynFlag Opt_WarnUnusedBinds) ) - , ( "fwarn-unused-imports", NoArg (setDynFlag Opt_WarnUnusedImports) ) - , ( "fwarn-unused-matches", NoArg (setDynFlag Opt_WarnUnusedMatches) ) - , ( "fwarn-deprecations", NoArg (setDynFlag Opt_WarnDeprecations) ) - ------ Machine dependant (-m) stuff --------------------------- - , ( "monly-2-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 2}) )) - , ( "monly-3-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 3}) )) - , ( "monly-4-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 4}) )) + , ( "monly-2-regs", NoArg (updDynFlags (\s -> s{stolen_x86_regs = 2}) )) + , ( "monly-3-regs", NoArg (updDynFlags (\s -> s{stolen_x86_regs = 3}) )) + , ( "monly-4-regs", NoArg (updDynFlags (\s -> s{stolen_x86_regs = 4}) )) - ------ Compiler flags ----------------------------------------------- + ------ Warning opts ------------------------------------------------- + , ( "W" , NoArg (mapM_ setDynFlag minusWOpts) ) + , ( "Wall" , NoArg (mapM_ setDynFlag minusWallOpts) ) + , ( "Wnot" , NoArg (mapM_ unSetDynFlag minusWallOpts) ) /* DEPREC */ + , ( "w" , NoArg (mapM_ unSetDynFlag minusWallOpts) ) - , ( "fasm" , AnySuffix (\_ -> setLang HscAsm) ) + ------ Compiler flags ----------------------------------------------- - , ( "fvia-c" , NoArg (setLang HscC) ) - , ( "fvia-C" , NoArg (setLang HscC) ) + , ( "fasm", AnySuffix (\_ -> setLang HscAsm) ) + , ( "fvia-c", NoArg (setLang HscC) ) + , ( "fvia-C", NoArg (setLang HscC) ) + , ( "filx", NoArg (setLang HscILX) ) - , ( "fglasgow-exts", NoArg (setDynFlag Opt_GlasgowExts) ) - , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) + -- "active negatives" + , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) - , ( "fallow-overlapping-instances", - NoArg (setDynFlag Opt_AllowOverlappingInstances) ) + -- the rest of the -f* and -fno-* flags + , ( "fno-", PrefixPred (\f -> isFFlag f) (\f -> unSetDynFlag (getFFlag f)) ) + , ( "f", PrefixPred (\f -> isFFlag f) (\f -> setDynFlag (getFFlag f)) ) + ] - , ( "fallow-undecidable-instances", - NoArg (setDynFlag Opt_AllowUndecidableInstances) ) +-- these -f flags can all be reversed with -fno- + +fFlags = [ + ( "warn-duplicate-exports", Opt_WarnDuplicateExports ), + ( "warn-hi-shadowing", Opt_WarnHiShadows ), + ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns ), + ( "warn-missing-fields", Opt_WarnMissingFields ), + ( "warn-missing-methods", Opt_WarnMissingMethods ), + ( "warn-missing-signatures", Opt_WarnMissingSigs ), + ( "warn-name-shadowing", Opt_WarnNameShadowing ), + ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns ), + ( "warn-simple-patterns", Opt_WarnSimplePatterns ), + ( "warn-type-defaults", Opt_WarnTypeDefaults ), + ( "warn-unused-binds", Opt_WarnUnusedBinds ), + ( "warn-unused-imports", Opt_WarnUnusedImports ), + ( "warn-unused-matches", Opt_WarnUnusedMatches ), + ( "warn-deprecations", Opt_WarnDeprecations ), + ( "glasgow-exts", Opt_GlasgowExts ), + ( "allow-overlapping-instances", Opt_AllowOverlappingInstances ), + ( "allow-undecidable-instances", Opt_AllowUndecidableInstances ), + ( "generics", Opt_Generics ) + ] - , ( "fgenerics", NoArg (setDynFlag Opt_Generics) ) - - , ( "freport-compile", NoArg (setDynFlag Opt_ReportCompile) ) - ] +isFFlag f = f `elem` (map fst fFlags) +getFFlag f = fromJust (lookup f fFlags) ----------------------------------------------------------------------------- -- convert sizes like "3.5M" into integers @@ -458,18 +483,19 @@ decodeSize str | c == "K" || c == "k" = truncate (n * 1000) | c == "M" || c == "m" = truncate (n * 1000 * 1000) | c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000) - | otherwise = throwDyn (OtherError ("can't decode size: " ++ str)) + | otherwise = throwDyn (CmdLineError ("can't decode size: " ++ str)) where (m, c) = span pred str n = read m :: Double pred c = isDigit c || c == '.' floatOpt :: IORef Double -> String -> IO () -floatOpt ref str - = writeIORef ref (read str :: Double) +floatOpt ref str = writeIORef ref (read str :: Double) + +----------------------------------------------------------------------------- +-- RTS Hooks -#ifdef not_yet -foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO () -#endif +foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO () +foreign import "enableTimingStats" unsafe enableTimingStats :: IO () ----------------------------------------------------------------------------- -- Build the Hsc static command line opts @@ -489,13 +515,10 @@ buildStaticHscOpts = do _ -> error "unknown opt level" -- ToDo: -Ofile - let stg_opts = [ "-flet-no-escape" ] - -- let-no-escape always on for now - -- take into account -fno-* flags by removing the equivalent -f* -- flag from our list. anti_flags <- getStaticOpts v_Anti_opt_C - let basic_opts = opt_C_ ++ optimisation_opts ++ stg_opts + let basic_opts = opt_C_ ++ optimisation_opts filtered_opts = filter (`notElem` anti_flags) basic_opts static <- (do s <- readIORef v_Static; if s then return "-static" @@ -511,30 +534,68 @@ buildStaticHscOpts = do runSomething phase_name cmd = do verb <- dynFlag verbosity - when (verb >= 2) $ putStrLn ("*** " ++ phase_name) - when (verb >= 3) $ putStrLn cmd - hFlush stdout + when (verb >= 2) $ hPutStrLn stderr ("*** " ++ phase_name) + when (verb >= 3) $ hPutStrLn stderr cmd + hFlush stderr -- test for -n flag n <- readIORef v_Dry_run unless n $ do -- and run it! -#ifndef mingw32_TARGET_OS - exit_code <- system cmd `catchAllIO` - (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1))) -#else - tmp <- newTempName "sh" - h <- openFile tmp WriteMode - hPutStrLn h cmd - hClose h - exit_code <- system ("sh - " ++ tmp) `catchAllIO` - (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1))) - removeFile tmp -#endif + exit_code <- system cmd if exit_code /= ExitSuccess then throwDyn (PhaseFailed phase_name exit_code) - else do when (verb >= 3) (putStr "\n") + else do when (verb >= 3) (hPutStr stderr "\n") return () +----------------------------------------------------------------------------- +-- Via-C compilation stuff + +-- flags returned are: ( all C compilations +-- , registerised HC compilations +-- ) + +machdepCCOpts + | prefixMatch "alpha" cTARGETPLATFORM + = return ( ["-static"], [] ) + + | prefixMatch "hppa" cTARGETPLATFORM + -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi! + -- (very nice, but too bad the HP /usr/include files don't agree.) + = return ( ["-static", "-D_HPUX_SOURCE"], [] ) + + | prefixMatch "m68k" cTARGETPLATFORM + -- -fno-defer-pop : for the .hc files, we want all the pushing/ + -- popping of args to routines to be explicit; if we let things + -- be deferred 'til after an STGJUMP, imminent death is certain! + -- + -- -fomit-frame-pointer : *don't* + -- It's better to have a6 completely tied up being a frame pointer + -- rather than let GCC pick random things to do with it. + -- (If we want to steal a6, then we would try to do things + -- as on iX86, where we *do* steal the frame pointer [%ebp].) + = return ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] ) + + | prefixMatch "i386" cTARGETPLATFORM + -- -fno-defer-pop : basically the same game as for m68k + -- + -- -fomit-frame-pointer : *must* in .hc files; because we're stealing + -- the fp (%ebp) for our register maps. + = do n_regs <- dynFlag stolen_x86_regs + sta <- readIORef v_Static + return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "", + if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else "" ], + [ "-fno-defer-pop", "-fomit-frame-pointer", + "-DSTOLEN_X86_REGS="++show n_regs ] + ) + + | prefixMatch "mips" cTARGETPLATFORM + = return ( ["static"], [] ) + + | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM + = return ( ["static"], ["-finhibit-size-directive"] ) + + | otherwise + = return ( [], [] )