X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FDynFlags.hs;h=eb9a182997f567d7975a929a4813e778db720586;hb=b04a210e26ca57242fd052f2aa91011a80b76299;hp=62acd558f7aca61b26c9cf77ae858612d8639ee1;hpb=176fa33f17dd78355cc572e006d2ab26898e2c69;p=ghc-hetmet.git diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs index 62acd55..eb9a182 100644 --- a/compiler/main/DynFlags.hs +++ b/compiler/main/DynFlags.hs @@ -35,6 +35,7 @@ module DynFlags ( updOptLevel, setTmpDir, setPackageName, + doingTickyProfiling, -- ** Parsing DynFlags parseDynamicFlags, @@ -63,6 +64,7 @@ module DynFlags ( #include "HsVersions.h" +import Platform import Module import PackageConfig import PrelNames ( mAIN, main_RDR_Unqual ) @@ -84,10 +86,11 @@ import Util import Maybes ( orElse ) import SrcLoc import FastString +import FiniteMap import Outputable import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage ) -import Data.IORef ( readIORef ) +import Data.IORef import Control.Monad ( when ) import Data.Char @@ -218,6 +221,7 @@ data DynFlag | Opt_RelaxedPolyRec | Opt_StandaloneDeriving | Opt_DeriveDataTypeable + | Opt_DeriveFunctor | Opt_TypeSynonymInstances | Opt_FlexibleContexts | Opt_FlexibleInstances @@ -268,6 +272,11 @@ data DynFlag | Opt_RegsGraph -- do graph coloring register allocation | Opt_RegsIterative -- do iterative coalescing graph coloring register allocation + -- profiling opts + | Opt_AutoSccsOnAllToplevs + | Opt_AutoSccsOnExportedToplevs + | Opt_AutoSccsOnIndividualCafs + -- misc opts | Opt_Cpp | Opt_Pp @@ -331,6 +340,7 @@ data DynFlags = DynFlags { specConstrCount :: Maybe Int, -- ^ Max number of specialisations for any one function liberateCaseThreshold :: Maybe Int, -- ^ Threshold for LiberateCase + targetPlatform :: Platform, -- ^ The platform we're compiling for. Used by the NCG. stolen_x86_regs :: Int, cmdlineHcIncludes :: [String], -- ^ @\-\#includes@ importPaths :: [FilePath], @@ -347,6 +357,9 @@ data DynFlags = DynFlags { buildTag :: String, -- ^ The global \"way\" (e.g. \"p\" for prof) rtsBuildTag :: String, -- ^ The RTS \"way\" + -- For object splitting + splitInfo :: Maybe (String,Int), + -- paths etc. objectDir :: Maybe String, hiDir :: Maybe String, @@ -408,7 +421,6 @@ data DynFlags = DynFlags { depIncludePkgDeps :: Bool, depExcludeMods :: [ModuleName], depSuffixes :: [String], - depWarnings :: Bool, -- Package flags extraPkgConfs :: [FilePath], @@ -426,6 +438,12 @@ data DynFlags = DynFlags { pkgDatabase :: Maybe (UniqFM PackageConfig), pkgState :: PackageState, + -- Temporary files + -- These have to be IORefs, because the defaultCleanupHandler needs to + -- know what to clean when an exception happens + filesToClean :: IORef [FilePath], + dirsToClean :: IORef (FiniteMap FilePath FilePath), + -- hsc dynamic flags flags :: [DynFlag], @@ -437,23 +455,30 @@ data DynFlags = DynFlags { -- | The target code type of the compilation (if any). -- +-- Whenever you change the target, also make sure to set 'ghcLink' to +-- something sensible. +-- -- 'HscNothing' can be used to avoid generating any output, however, note -- that: -- -- * This will not run the desugaring step, thus no warnings generated in --- this step will be output. In particular, this includes warnings --- related to pattern matching. +-- this step will be output. In particular, this includes warnings related +-- to pattern matching. You can run the desugarer manually using +-- 'GHC.desugarModule'. -- --- * At the moment switching from 'HscNothing' to 'HscInterpreted' without --- unloading first is not safe. To unload use --- @GHC.setTargets [] >> GHC.load LoadAllTargets@. +-- * If a program uses Template Haskell the typechecker may try to run code +-- from an imported module. This will fail if no code has been generated +-- for this module. You can use 'GHC.needsTemplateHaskell' to detect +-- whether this might be the case and choose to either switch to a +-- different target or avoid typechecking such modules. (The latter may +-- preferable for security reasons.) -- data HscTarget - = HscC - | HscAsm - | HscJava - | HscInterpreted - | HscNothing + = HscC -- ^ Generate C code. + | HscAsm -- ^ Generate assembly using the native code generator. + | HscJava -- ^ Generate Java bytecode. + | HscInterpreted -- ^ Generate bytecode. (Requires 'LinkInMemory') + | HscNothing -- ^ Don't generate any code. See notes above. deriving (Eq, Show) -- | Will this target result in an object file on the disk? @@ -487,7 +512,8 @@ isOneShot _other = False data GhcLink = NoLink -- ^ Don't link at all | LinkBinary -- ^ Link object code into a binary - | LinkInMemory -- ^ Use the in-memory dynamic linker + | LinkInMemory -- ^ Use the in-memory dynamic linker (works for both + -- bytecode and object code). | LinkDynLib -- ^ Link objects into a dynamic lib (DLL on Windows, DSO on ELF platforms) deriving (Eq, Show) @@ -495,6 +521,11 @@ isNoLink :: GhcLink -> Bool isNoLink NoLink = True isNoLink _ = False +-- Is it worth evaluating this Bool and caching it in the DynFlags value +-- during initDynFlags? +doingTickyProfiling :: DynFlags -> Bool +doingTickyProfiling dflags = WayTicky `elem` wayNames dflags + data PackageFlag = ExposePackage String | HidePackage String @@ -524,10 +555,14 @@ initDynFlags dflags = do ways <- readIORef v_Ways build_tag <- readIORef v_Build_tag rts_build_tag <- readIORef v_RTS_Build_tag + refFilesToClean <- newIORef [] + refDirsToClean <- newIORef emptyFM return dflags{ wayNames = ways, buildTag = build_tag, - rtsBuildTag = rts_build_tag + rtsBuildTag = rts_build_tag, + filesToClean = refFilesToClean, + dirsToClean = refDirsToClean } -- | The normal 'DynFlags'. Note that they is not suitable for use in this form @@ -551,6 +586,7 @@ defaultDynFlags = specConstrThreshold = Just 200, specConstrCount = Just 3, liberateCaseThreshold = Just 200, + targetPlatform = defaultTargetPlatform, stolen_x86_regs = 4, cmdlineHcIncludes = [], importPaths = ["."], @@ -601,6 +637,7 @@ defaultDynFlags = wayNames = panic "defaultDynFlags: No wayNames", buildTag = panic "defaultDynFlags: No buildTag", rtsBuildTag = panic "defaultDynFlags: No rtsBuildTag", + splitInfo = Nothing, -- initSysTools fills all these in ghcUsagePath = panic "defaultDynFlags: No ghciUsagePath", ghciUsagePath = panic "defaultDynFlags: No ghciUsagePath", @@ -624,8 +661,9 @@ defaultDynFlags = depIncludePkgDeps = False, depExcludeMods = [], depSuffixes = [], - depWarnings = True, -- end of ghc -M values + filesToClean = panic "defaultDynFlags: No filesToClean", + dirsToClean = panic "defaultDynFlags: No dirsToClean", haddockOptions = Nothing, flags = [ Opt_AutoLinkPackages, @@ -770,9 +808,6 @@ addDepExcludeMod m d addDepSuffix :: FilePath -> DynFlags -> DynFlags addDepSuffix s d = d { depSuffixes = deOptDep s : depSuffixes d } -setDepWarnings :: Bool -> DynFlags -> DynFlags -setDepWarnings b d = d { depWarnings = b } - -- XXX Legacy code: -- We used to use "-optdep-flag -optdeparg", so for legacy applications -- we need to strip the "-optdep" off of the arg @@ -1203,7 +1238,7 @@ dynamic_flags = [ , Flag "dep-makefile" (HasArg (upd . setDepMakefile)) Supported , Flag "optdep-f" (HasArg (upd . setDepMakefile)) (Deprecated "Use -dep-makefile instead") - , Flag "optdep-w" (NoArg (upd (setDepWarnings False))) + , Flag "optdep-w" (NoArg (return ())) (Deprecated "-optdep-w doesn't do anything") , Flag "include-pkg-deps" (NoArg (upd (setDepIncludePkgDeps True))) Supported , Flag "optdep--include-prelude" (NoArg (upd (setDepIncludePkgDeps True))) @@ -1477,6 +1512,38 @@ dynamic_flags = [ (IntSuffix $ \n -> upd $ \dfs -> dfs{ ctxtStkDepth = n }) Supported + ------ Profiling ---------------------------------------------------- + + -- XXX Should the -f* flags be deprecated? + -- They don't seem to be documented + , Flag "fauto-sccs-on-all-toplevs" + (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs)) + Supported + , Flag "auto-all" + (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs)) + Supported + , Flag "no-auto-all" + (NoArg (unSetDynFlag Opt_AutoSccsOnAllToplevs)) + Supported + , Flag "fauto-sccs-on-exported-toplevs" + (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs)) + Supported + , Flag "auto" + (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs)) + Supported + , Flag "no-auto" + (NoArg (unSetDynFlag Opt_AutoSccsOnExportedToplevs)) + Supported + , Flag "fauto-sccs-on-individual-cafs" + (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs)) + Supported + , Flag "caf-all" + (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs)) + Supported + , Flag "no-caf-all" + (NoArg (unSetDynFlag Opt_AutoSccsOnIndividualCafs)) + Supported + ------ DPH flags ---------------------------------------------------- , Flag "fdph-seq" @@ -1708,6 +1775,7 @@ xFlags = [ ( "UnboxedTuples", Opt_UnboxedTuples, const Supported ), ( "StandaloneDeriving", Opt_StandaloneDeriving, const Supported ), ( "DeriveDataTypeable", Opt_DeriveDataTypeable, const Supported ), + ( "DeriveFunctor", Opt_DeriveFunctor, const Supported ), ( "TypeSynonymInstances", Opt_TypeSynonymInstances, const Supported ), ( "FlexibleContexts", Opt_FlexibleContexts, const Supported ), ( "FlexibleInstances", Opt_FlexibleInstances, const Supported ), @@ -1727,8 +1795,11 @@ impliedFlags = [ (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to -- be completely rigid for GADTs + , (Opt_TypeFamilies, Opt_RelaxedPolyRec) -- Trac #2944 gives a nice example + , (Opt_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see -- Note [Scoped tyvars] in TcBinds + , (Opt_ImpredicativeTypes, Opt_RankNTypes) ] glasgowExtsFlags :: [DynFlag] @@ -1743,6 +1814,7 @@ glasgowExtsFlags = [ , Opt_TypeSynonymInstances , Opt_StandaloneDeriving , Opt_DeriveDataTypeable + , Opt_DeriveFunctor , Opt_FlexibleContexts , Opt_FlexibleInstances , Opt_ConstrainedClassMethods @@ -1756,7 +1828,6 @@ glasgowExtsFlags = [ , Opt_PatternGuards , Opt_LiberalTypeSynonyms , Opt_RankNTypes - , Opt_ImpredicativeTypes , Opt_TypeOperators , Opt_RecursiveDo , Opt_ParallelListComp