X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FDynFlags.hs;h=3f975cd9842000eca150b78ff87f9fecd7cf26aa;hb=fd12b167cd246087858d50ab66840274ef609f79;hp=62acd558f7aca61b26c9cf77ae858612d8639ee1;hpb=176fa33f17dd78355cc572e006d2ab26898e2c69;p=ghc-hetmet.git diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs index 62acd55..3f975cd 100644 --- a/compiler/main/DynFlags.hs +++ b/compiler/main/DynFlags.hs @@ -35,6 +35,7 @@ module DynFlags ( updOptLevel, setTmpDir, setPackageName, + doingTickyProfiling, -- ** Parsing DynFlags parseDynamicFlags, @@ -84,10 +85,11 @@ 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 @@ -268,6 +270,11 @@ 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 @@ -347,6 +354,9 @@ 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 +418,6 @@ data DynFlags = DynFlags { depIncludePkgDeps :: Bool, depExcludeMods :: [ModuleName], depSuffixes :: [String], - depWarnings :: Bool, -- Package flags extraPkgConfs :: [FilePath], @@ -426,6 +435,12 @@ 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 +452,30 @@ 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 +509,8 @@ 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 +518,11 @@ 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 +552,14 @@ 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 @@ -601,6 +633,7 @@ 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 +657,9 @@ 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 +804,6 @@ 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 +1234,7 @@ 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 +1508,38 @@ 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"