X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=ghc%2Fcompiler%2Fmain%2FDriverFlags.hs;h=fa1fa4719ba47bade742698a9070b3568d1058d9;hb=67b9ddc822964b29ea177bde3c735702afcda667;hp=aca47d8cca335665f9c07b98709f53322d446758;hpb=36cef271e7d6e6425ad3fe9a6ea71f96fbfb9631;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs index aca47d8..fa1fa47 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 1.16 2000/11/08 16:24:34 simonmar Exp $ +-- $Id: DriverFlags.hs,v 1.40 2001/01/19 15:26:37 simonmar Exp $ -- -- Driver flags -- @@ -18,11 +20,14 @@ import TmpFiles ( v_TmpDir ) import CmdLineOpts import Config import Util -import CmdLineOpts +import Panic import Exception import IOExts + import IO +import Maybe +import Monad import System import Char @@ -129,8 +134,8 @@ arg_ok (Prefix _) rest arg = not (null rest) arg_ok (PrefixPred p _) rest arg = not (null rest) && p rest arg_ok (OptPrefix _) rest arg = True arg_ok (PassFlag _) rest arg = null rest -arg_ok (AnySuffix _) rest arg = not (null rest) -arg_ok (AnySuffixPred p _) rest arg = not (null rest) && p arg +arg_ok (AnySuffix _) rest arg = True +arg_ok (AnySuffixPred p _) rest arg = p arg ----------------------------------------------------------------------------- -- Static flags @@ -147,13 +152,12 @@ static_flags = ------- version ---------------------------------------------------- , ( "-version" , NoArg (do hPutStrLn stdout (cProjectName - ++ ", version " ++ version_str) + ++ ", version " ++ cProjectVersion) exitWith ExitSuccess)) - , ( "-numeric-version", NoArg (do hPutStrLn stdout version_str + , ( "-numeric-version", NoArg (do hPutStrLn stdout cProjectVersion exitWith ExitSuccess)) ------- verbosity ---------------------------------------------------- - , ( "v" , NoArg (writeIORef v_Verbose True) ) , ( "n" , NoArg (writeIORef v_Dry_run True) ) ------- recompilation checker -------------------------------------- @@ -163,7 +167,6 @@ static_flags = ------- ways -------------------------------------------------------- , ( "prof" , NoArg (addNoDups v_Ways WayProf) ) , ( "unreg" , NoArg (addNoDups v_Ways WayUnreg) ) - , ( "dll" , NoArg (addNoDups v_Ways WayDll) ) , ( "ticky" , NoArg (addNoDups v_Ways WayTicky) ) , ( "parallel" , NoArg (addNoDups v_Ways WayPar) ) , ( "gransim" , NoArg (addNoDups v_Ways WayGran) ) @@ -195,6 +198,7 @@ static_flags = ------- Miscellaneous ----------------------------------------------- , ( "no-link-chk" , NoArg (return ()) ) -- ignored for backwards compat + , ( "no-hs-main" , NoArg (writeIORef v_NoHsMain True) ) ------- Output Redirection ------------------------------------------ , ( "odir" , HasArg (writeIORef v_Output_dir . Just) ) @@ -219,7 +223,7 @@ static_flags = "warning: don't know how to split \ \object files on this architecture" ) ) - + ------- Include/Import Paths ---------------------------------------- , ( "i" , OptPrefix (addToDirList v_Import_paths) ) , ( "I" , Prefix (addToDirList v_Include_paths) ) @@ -259,16 +263,17 @@ static_flags = ----- Linker -------------------------------------------------------- , ( "static" , NoArg (writeIORef v_Static True) ) + , ( "dynamic" , NoArg (writeIORef v_Static False) ) + , ( "rdynamic" , NoArg (return ()) ) -- ignored for compat w/ gcc + + ----- RTS opts ------------------------------------------------------ + , ( "H" , HasArg (setHeapSize . fromIntegral . decodeSize) ) + , ( "Rghc-timing" , NoArg (enableTimingStats) ) ------ Compiler flags ----------------------------------------------- , ( "O2-for-C" , NoArg (writeIORef v_minus_o2_for_C True) ) , ( "O" , OptPrefix (setOptLevel) ) - , ( "fasm" , OptPrefix (\_ -> writeIORef v_Hsc_Lang HscAsm) ) - - , ( "fvia-c" , NoArg (writeIORef v_Hsc_Lang HscC) ) - , ( "fvia-C" , NoArg (writeIORef v_Hsc_Lang HscC) ) - , ( "fno-asm-mangling" , NoArg (writeIORef v_Do_asm_mangling False) ) , ( "fmax-simplifier-iterations", @@ -280,8 +285,14 @@ static_flags = , ( "fexcess-precision" , NoArg (do writeIORef v_Excess_precision True add v_Opt_C "-fexcess-precision")) + -- 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) ) + -- 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) ) @@ -297,22 +308,75 @@ static_flags = ----------------------------------------------------------------------------- -- parse the dynamic arguments -GLOBAL_VAR(v_InitDynFlags, error "no InitDynFlags", DynFlags) -GLOBAL_VAR(v_DynFlags, error "no DynFlags", DynFlags) +-- v_InitDynFlags +-- is the "baseline" dynamic flags, initialised from +-- 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 +-- to the value of v_InitDynFlags before each compilation, then +-- updated by reading any OPTIONS pragma in the current module. + +GLOBAL_VAR(v_InitDynFlags, defaultDynFlags, DynFlags) +GLOBAL_VAR(v_DynFlags, defaultDynFlags, DynFlags) -setDynFlag f = do +updDynFlags f = do dfs <- readIORef v_DynFlags - writeIORef v_DynFlags dfs{ flags = f : flags dfs } + writeIORef v_DynFlags (f dfs) + +getDynFlags :: IO DynFlags +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) }) + +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}) -unSetDynFlag f = do +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). +setLang l = do dfs <- readIORef v_DynFlags - writeIORef v_DynFlags dfs{ flags = filter (/= f) (flags dfs) } + case hscLang dfs of + HscC -> writeIORef v_DynFlags dfs{ hscLang = l } + HscAsm -> writeIORef v_DynFlags dfs{ hscLang = l } + _ -> return () + +setVerbosityAtLeast n = + updDynFlags (\dfs -> if verbosity dfs < n + then dfs{ verbosity = n } + else dfs) + +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)") + +getVerbFlag = do + verb <- dynFlag verbosity + if verb >= 3 then return "-v" else return "" dynamic_flags = [ - ( "cpp", NoArg (updateState (\s -> s{ cpp_flag = True })) ) + ( "cpp", NoArg (updDynFlags (\s -> s{ cppFlag = True })) ) , ( "#include", HasArg (addCmdlineHCInclude) ) + , ( "v", OptPrefix (setVerbosity) ) + , ( "optL", HasArg (addOpt_L) ) , ( "optP", HasArg (addOpt_P) ) , ( "optc", HasArg (addOpt_c) ) @@ -326,8 +390,6 @@ dynamic_flags = [ ------ Debugging ---------------------------------------------------- , ( "dstg-stats", NoArg (writeIORef v_StgStats True) ) - , ( "ddump-all", NoArg (setDynFlag Opt_D_dump_all) ) - , ( "ddump-most", NoArg (setDynFlag Opt_D_dump_most) ) , ( "ddump-absC", NoArg (setDynFlag Opt_D_dump_absC) ) , ( "ddump-asm", NoArg (setDynFlag Opt_D_dump_asm) ) , ( "ddump-cpranal", NoArg (setDynFlag Opt_D_dump_cpranal) ) @@ -343,6 +405,7 @@ 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) ) @@ -351,58 +414,68 @@ dynamic_flags = [ , ( "ddump-usagesp", NoArg (setDynFlag Opt_D_dump_usagesp) ) , ( "ddump-cse", NoArg (setDynFlag Opt_D_dump_cse) ) , ( "ddump-worker-wrapper", NoArg (setDynFlag Opt_D_dump_worker_wrapper) ) - , ( "dshow-passes", NoArg (setDynFlag Opt_D_show_passes) ) + , ( "dshow-passes", NoArg (setVerbosity "2") ) , ( "ddump-rn-trace", NoArg (setDynFlag Opt_D_dump_rn_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-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) ) , ( "ddump-hi-diffs", NoArg (setDynFlag Opt_D_dump_hi_diffs) ) + , ( "ddump-hi", NoArg (setDynFlag Opt_D_dump_hi) ) , ( "ddump-minimal-imports", NoArg (setDynFlag Opt_D_dump_minimal_imports) ) , ( "dcore-lint", NoArg (setDynFlag Opt_DoCoreLinting) ) , ( "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 ----------------------------------------------- - , ( "fglasgow-exts", NoArg (setDynFlag Opt_GlasgowExts) ) - , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) + , ( "fasm", AnySuffix (\_ -> setLang HscAsm) ) + , ( "fvia-c", NoArg (setLang HscC) ) + , ( "fvia-C", NoArg (setLang HscC) ) - , ( "fallow-overlapping-instances", - NoArg (setDynFlag Opt_AllowOverlappingInstances) ) + -- "active negatives" + , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) - , ( "fallow-undecidable-instances", - NoArg (setDynFlag Opt_AllowUndecidableInstances) ) + -- 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)) ) + ] - , ( "fgenerics", NoArg (setDynFlag Opt_Generics) ) +-- 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 ), + ( "fgenerics", Opt_Generics ), + ( "report-compile", Opt_ReportCompile ) + ] - , ( "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 @@ -419,8 +492,13 @@ decodeSize str 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 + +foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO () +foreign import "enableTimingStats" unsafe enableTimingStats :: IO () ----------------------------------------------------------------------------- -- Build the Hsc static command line opts @@ -428,7 +506,7 @@ floatOpt ref str buildStaticHscOpts :: IO [String] buildStaticHscOpts = do - opt_C_ <- getStaticOpts v_Opt_C -- misc hsc opts + opt_C_ <- getStaticOpts v_Opt_C -- misc hsc opts from the command line -- optimisation minus_o <- readIORef v_OptLevel @@ -440,19 +518,87 @@ 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 - verb <- is_verbose - let hi_vers = "-fhi-version="++cProjectVersionInt - static <- (do s <- readIORef v_Static; if s then return "-static" else return "") - return ( filtered_opts ++ [ hi_vers, static, verb ] ) + return ( static : filtered_opts ) + +----------------------------------------------------------------------------- +-- Running an external program + +-- sigh, here because both DriverMkDepend & DriverPipeline need it. + +runSomething phase_name cmd + = do + verb <- dynFlag verbosity + 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! + exit_code <- kludgedSystem cmd phase_name + + if exit_code /= ExitSuccess + then throwDyn (PhaseFailed phase_name exit_code) + 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 ( [], [] )