Safe Haskell	Safe-Inferred
Language	Haskell2010

GHC.Exts.Heap.InfoTable.Types

Synopsis

data StgInfoTable = StgInfoTable {
- entry :: Maybe EntryFunPtr
- ptrs :: HalfWord
- nptrs :: HalfWord
- tipe :: ClosureType
- srtlen :: HalfWord
- code :: Maybe ItblCodes
}
type EntryFunPtr = FunPtr (Ptr () -> IO (Ptr ()))
type HalfWord = Word32
type ItblCodes = Either [Word8] [Word32]

Documentation

data StgInfoTable Source #

This is a somewhat faithful representation of an info table. See https://gitlab.haskell.org/ghc/ghc/blob/master/rts/include/rts/storage/InfoTables.h for more details on this data structure.

Constructors

StgInfoTable
Fields entry :: Maybe EntryFunPtr ptrs :: HalfWord nptrs :: HalfWord tipe :: ClosureType srtlen :: HalfWord code :: Maybe ItblCodes

Instances

Instances details

Generic StgInfoTable Source #
Instance details Defined in GHC.Exts.Heap.InfoTable.Types Associated Types type Rep StgInfoTable :: Type -> Type # Methods from :: StgInfoTable -> Rep StgInfoTable x # to :: Rep StgInfoTable x -> StgInfoTable #
Show StgInfoTable Source #
Instance details Defined in GHC.Exts.Heap.InfoTable.Types Methods showsPrec :: Int -> StgInfoTable -> ShowS # show :: StgInfoTable -> String # showList :: [StgInfoTable] -> ShowS #
Binary StgInfoTable Source #
Instance details Defined in GHCi.Message Methods put :: StgInfoTable -> Put # get :: Get StgInfoTable # putList :: [StgInfoTable] -> Put #
type Rep StgInfoTable Source #
Instance details Defined in GHC.Exts.Heap.InfoTable.Types type Rep StgInfoTable = D1 ('MetaData "StgInfoTable" "GHC.Exts.Heap.InfoTable.Types" "ghc-lib-parser-9.6.2.20230523-71LAxQKBNbw8ebo0dFJz0z" 'False) (C1 ('MetaCons "StgInfoTable" 'PrefixI 'True) ((S1 ('MetaSel ('Just "entry") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Maybe EntryFunPtr)) :: (S1 ('MetaSel ('Just "ptrs") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 HalfWord) :: S1 ('MetaSel ('Just "nptrs") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 HalfWord))) :: (S1 ('MetaSel ('Just "tipe") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 ClosureType) :: (S1 ('MetaSel ('Just "srtlen") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 HalfWord) :*: S1 ('MetaSel ('Just "code") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Maybe ItblCodes))))))

type EntryFunPtr = FunPtr (Ptr () -> IO (Ptr ())) Source #

type HalfWord = Word32 Source #

type ItblCodes = Either [Word8] [Word32] Source #