ghc-7.2.1: The GHC API

ClosureInfo

Documentation

data ClosureInfo Source

Constructors

ClosureInfo
Fields closureName :: !Name closureLFInfo :: !LambdaFormInfo closureSMRep :: !SMRep closureSRT :: !C_SRT closureType :: !Type closureDescr :: !String closureInfLcl :: Bool
ConInfo
Fields closureCon :: !DataCon closureSMRep :: !SMRep

data LambdaFormInfo Source

Constructors

LFReEntrant TopLevelFlag !Int !Bool ArgDescr
LFCon DataCon
LFThunk TopLevelFlag !Bool !Bool StandardFormInfo !Bool
LFUnknown !Bool
LFLetNoEscape !Int
LFBlackHole

data StandardFormInfo Source

Constructors

NonStandardThunk
SelectorThunk WordOff
ApThunk Int

data SMRep Source

data ArgDescr Source

Constructors

ArgSpec !StgHalfWord
ArgGen Liveness

data Liveness Source

Constructors

SmallLiveness StgWord
BigLiveness CLabel

data C_SRT Source

Constructors

NoC_SRT
C_SRT !CLabel !WordOff !StgHalfWord

Instances

Eq C_SRT
Outputable C_SRT

needsSRT :: C_SRT -> Bool Source

mkLFThunk :: Type -> TopLevelFlag -> [Var] -> UpdateFlag -> LambdaFormInfo Source

mkLFReEntrant :: TopLevelFlag -> [Id] -> [Id] -> ArgDescr -> LambdaFormInfo Source

mkConLFInfo :: DataCon -> LambdaFormInfo Source

mkSelectorLFInfo :: Id -> WordOff -> Bool -> LambdaFormInfo Source

mkApLFInfo :: Id -> UpdateFlag -> Int -> LambdaFormInfo Source

mkLFImported :: Id -> LambdaFormInfo Source

mkLFArgument :: Id -> LambdaFormInfo Source

mkLFLetNoEscape :: Int -> LambdaFormInfo Source

mkClosureInfo :: Bool -> Id -> LambdaFormInfo -> Int -> Int -> C_SRT -> String -> ClosureInfo Source

mkConInfo :: Bool -> DataCon -> Int -> Int -> ClosureInfo Source

maybeIsLFCon :: LambdaFormInfo -> Maybe DataCon Source

closureSize :: ClosureInfo -> WordOff Source

closureNonHdrSize :: ClosureInfo -> WordOff Source

closureGoodStuffSize :: ClosureInfo -> WordOff Source

closurePtrsSize :: ClosureInfo -> WordOff Source

slopSize :: ClosureInfo -> WordOff Source

infoTableLabelFromCI :: ClosureInfo -> CLabel Source

entryLabelFromCI :: ClosureInfo -> CLabel Source

closureLabelFromCI :: ClosureInfo -> CLabel Source

isLFThunk :: LambdaFormInfo -> Bool Source

closureUpdReqd :: ClosureInfo -> Bool Source

closureNeedsUpdSpace :: ClosureInfo -> Bool Source

closureIsThunk :: ClosureInfo -> Bool Source

closureSingleEntry :: ClosureInfo -> Bool Source

closureReEntrant :: ClosureInfo -> Bool Source

isConstrClosure_maybe :: ClosureInfo -> Maybe DataCon Source

closureFunInfo :: ClosureInfo -> Maybe (Int, ArgDescr)Source

isStandardFormThunk :: LambdaFormInfo -> Bool Source

isKnownFun :: LambdaFormInfo -> Bool Source

funTag :: ClosureInfo -> Int Source

funTagLFInfo :: LambdaFormInfo -> Int Source

tagForArity :: Int -> Maybe Int Source

clHasCafRefs :: ClosureInfo -> CafInfo Source

enterIdLabel :: Name -> CafInfo -> CLabel Source

enterLocalIdLabel :: Name -> CafInfo -> CLabel Source

enterReturnPtLabel :: Unique -> CLabel Source

nodeMustPointToIt :: LambdaFormInfo -> Bool Source

data CallMethod Source

Constructors

EnterIt
JumpToIt CLabel
ReturnIt
ReturnCon DataCon
SlowCall
DirectEntry CLabel Int

getCallMethod :: DynFlags -> Name -> CafInfo -> LambdaFormInfo -> Int -> CallMethod Source

blackHoleOnEntry :: DynFlags -> ClosureInfo -> Bool Source

staticClosureRequired :: Name -> StgBinderInfo -> LambdaFormInfo -> Bool Source

getClosureType :: Bool -> WordOff -> LambdaFormInfo -> ClosureType Source

isToplevClosure :: ClosureInfo -> Bool Source

closureValDescr, closureTypeDescr :: ClosureInfo -> String Source

isStaticClosure :: ClosureInfo -> Bool Source

cafBlackHoleClosureInfo :: ClosureInfo -> ClosureInfo Source

staticClosureNeedsLink :: ClosureInfo -> Bool Source