GHC.Exts.Heap.InfoTable.Types

Documentation

data StgInfoTable

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

Generic StgInfoTable

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

Defined in GHC.Exts.Heap.InfoTable.Types

Methods

showsPrec :: Int -> StgInfoTable -> ShowS

show :: StgInfoTable -> String

showList :: [StgInfoTable] -> ShowS

type Rep StgInfoTable

Defined in GHC.Exts.Heap.InfoTable.Types

type Rep StgInfoTable = D1 ('MetaData "StgInfoTable" "GHC.Exts.Heap.InfoTable.Types" "ghc-heap-9.6.0.20230111" '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 ()))

type HalfWord = Word32

type ItblCodes = Either [Word8] [Word32]