dist-install/build/GHC/RTS/Flags.hs

    {-# LINE 1 "libraries/base/GHC/RTS/Flags.hsc" #-}
    {-# LANGUAGE NoImplicitPrelude #-}
    {-# LINE 2 "libraries/base/GHC/RTS/Flags.hsc" #-}
    {-# LANGUAGE RecordWildCards   #-}

    -- | Accessors to GHC RTS flags.
    -- Descriptions of flags can be seen in
    -- <https://www.haskell.org/ghc/docs/latest/html/users_guide/runtime-control.html GHC User's Guide>,
    -- or by running RTS help message using @+RTS --help@.
    --
    -- @since 4.8.0.0
    --
    module GHC.RTS.Flags
      ( RTSFlags (..)
      , GCFlags (..)
      , ConcFlags (..)
      , MiscFlags (..)
      , DebugFlags (..)
      , CCFlags (..)
      , ProfFlags (..)
      , TraceFlags (..)
      , TickyFlags (..)
      , getRTSFlags
      , getGCFlags
      , getConcFlags
      , getMiscFlags
      , getDebugFlags
      , getCCFlags
      , getProfFlags
      , getTraceFlags
      , getTickyFlags
      ) where

    {-# LINE 33 "libraries/base/GHC/RTS/Flags.hsc" #-}

    {-# LINE 34 "libraries/base/GHC/RTS/Flags.hsc" #-}

    import Control.Applicative
    import Control.Monad

    import Foreign.C.String    (peekCString)
    import Foreign.C.Types     (CChar, CInt)
    import Foreign.Ptr         (Ptr, nullPtr)
    import Foreign.Storable    (peekByteOff)

    import GHC.Base
    import GHC.Enum
    import GHC.IO
    import GHC.Real
    import GHC.Show
    import GHC.Word

    -- | @'Time'@ is defined as a @'StgWord64'@ in @stg/Types.h@
    type Time = Word64

    -- | @'nat'@ defined in @rts/Types.h@
    type Nat = Word32
    {-# LINE 55 "libraries/base/GHC/RTS/Flags.hsc" #-}

    data GiveGCStats
        = NoGCStats
        | CollectGCStats
        | OneLineGCStats
        | SummaryGCStats
        | VerboseGCStats
        deriving (Show)

    instance Enum GiveGCStats where
        fromEnum NoGCStats      = 0
    {-# LINE 66 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CollectGCStats = 1
    {-# LINE 67 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum OneLineGCStats = 2
    {-# LINE 68 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum SummaryGCStats = 3
    {-# LINE 69 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum VerboseGCStats = 4
    {-# LINE 70 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0      = NoGCStats
    {-# LINE 72 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = CollectGCStats
    {-# LINE 73 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2 = OneLineGCStats
    {-# LINE 74 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 3 = SummaryGCStats
    {-# LINE 75 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4 = VerboseGCStats
    {-# LINE 76 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = error ("invalid enum for GiveGCStats: " ++ show e)

    data GCFlags = GCFlags
        { statsFile             :: Maybe FilePath
        , giveStats             :: GiveGCStats
        , maxStkSize            :: Nat
        , initialStkSize        :: Nat
        , stkChunkSize          :: Nat
        , stkChunkBufferSize    :: Nat
        , maxHeapSize           :: Nat
        , minAllocAreaSize      :: Nat
        , minOldGenSize         :: Nat
        , heapSizeSuggestion    :: Nat
        , heapSizeSuggestionAuto :: Bool
        , oldGenFactor          :: Double
        , pcFreeHeap            :: Double
        , generations           :: Nat
        , steps                 :: Nat
        , squeezeUpdFrames      :: Bool
        , compact               :: Bool -- ^ True <=> "compact all the time"
        , compactThreshold      :: Double
        , sweep                 :: Bool
          -- ^ use "mostly mark-sweep" instead of copying for the oldest generation
        , ringBell              :: Bool
        , frontpanel            :: Bool
        , idleGCDelayTime       :: Time
        , doIdleGC              :: Bool
        , heapBase              :: Word -- ^ address to ask the OS for memory
        , allocLimitGrace       :: Word
        } deriving (Show)

    data ConcFlags = ConcFlags
        { ctxtSwitchTime  :: Time
        , ctxtSwitchTicks :: Int
        } deriving (Show)

    data MiscFlags = MiscFlags
        { tickInterval          :: Time
        , installSignalHandlers :: Bool
        , machineReadable       :: Bool
        , linkerMemBase         :: Word
          -- ^ address to ask the OS for memory for the linker, 0 ==> off
        } deriving (Show)

    -- | Flags to control debugging output & extra checking in various
    -- subsystems.
    data DebugFlags = DebugFlags
        { scheduler   :: Bool -- ^ 's'
        , interpreter :: Bool -- ^ 'i'
        , weak        :: Bool -- ^ 'w'
        , gccafs      :: Bool -- ^ 'G'
        , gc          :: Bool -- ^ 'g'
        , block_alloc :: Bool -- ^ 'b'
        , sanity      :: Bool -- ^ 'S'
        , stable      :: Bool -- ^ 't'
        , prof        :: Bool -- ^ 'p'
        , linker      :: Bool -- ^ 'l' the object linker
        , apply       :: Bool -- ^ 'a'
        , stm         :: Bool -- ^ 'm'
        , squeeze     :: Bool -- ^ 'z' stack squeezing & lazy blackholing
        , hpc         :: Bool -- ^ 'c' coverage
        , sparks      :: Bool -- ^ 'r'
        } deriving (Show)

    data DoCostCentres
        = CostCentresNone
        | CostCentresSummary
        | CostCentresVerbose
        | CostCentresAll
        | CostCentresXML
        deriving (Show)

    instance Enum DoCostCentres where
        fromEnum CostCentresNone    = 0
    {-# LINE 150 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresSummary = 1
    {-# LINE 151 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresVerbose = 2
    {-# LINE 152 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresAll     = 3
    {-# LINE 153 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresXML     = 4
    {-# LINE 154 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0    = CostCentresNone
    {-# LINE 156 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = CostCentresSummary
    {-# LINE 157 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2 = CostCentresVerbose
    {-# LINE 158 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 3     = CostCentresAll
    {-# LINE 159 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4     = CostCentresXML
    {-# LINE 160 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = error ("invalid enum for DoCostCentres: " ++ show e)

    data CCFlags = CCFlags
        { doCostCentres :: DoCostCentres
        , profilerTicks :: Int
        , msecsPerTick  :: Int
        } deriving (Show)

    data DoHeapProfile
        = NoHeapProfiling
        | HeapByCCS
        | HeapByMod
        | HeapByDescr
        | HeapByType
        | HeapByRetainer
        | HeapByLDV
        | HeapByClosureType
        deriving (Show)

    instance Enum DoHeapProfile where
        fromEnum NoHeapProfiling   = 0
    {-# LINE 181 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByCCS         = 1
    {-# LINE 182 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByMod         = 2
    {-# LINE 183 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByDescr       = 4
    {-# LINE 184 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByType        = 5
    {-# LINE 185 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByRetainer    = 6
    {-# LINE 186 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByLDV         = 7
    {-# LINE 187 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByClosureType = 8
    {-# LINE 188 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0    = NoHeapProfiling
    {-# LINE 190 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1          = HeapByCCS
    {-# LINE 191 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2          = HeapByMod
    {-# LINE 192 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4        = HeapByDescr
    {-# LINE 193 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 5         = HeapByType
    {-# LINE 194 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 6     = HeapByRetainer
    {-# LINE 195 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 7          = HeapByLDV
    {-# LINE 196 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 8 = HeapByClosureType
    {-# LINE 197 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = error ("invalid enum for DoHeapProfile: " ++ show e)

    data ProfFlags = ProfFlags
        { doHeapProfile            :: DoHeapProfile
        , heapProfileInterval      :: Time -- ^ time between samples
        , heapProfileIntervalTicks :: Word -- ^ ticks between samples (derived)
        , includeTSOs              :: Bool
        , showCCSOnException       :: Bool
        , maxRetainerSetSize       :: Word
        , ccsLength                :: Word
        , modSelector              :: Maybe String
        , descrSelector            :: Maybe String
        , typeSelector             :: Maybe String
        , ccSelector               :: Maybe String
        , ccsSelector              :: Maybe String
        , retainerSelector         :: Maybe String
        , bioSelector              :: Maybe String
        } deriving (Show)

    data DoTrace
        = TraceNone
        | TraceEventLog
        | TraceStderr
        deriving (Show)

    instance Enum DoTrace where
        fromEnum TraceNone     = 0
    {-# LINE 224 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum TraceEventLog = 1
    {-# LINE 225 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum TraceStderr   = 2
    {-# LINE 226 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0     = TraceNone
    {-# LINE 228 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = TraceEventLog
    {-# LINE 229 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2   = TraceStderr
    {-# LINE 230 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = error ("invalid enum for DoTrace: " ++ show e)

    data TraceFlags = TraceFlags
        { tracing        :: DoTrace
        , timestamp      :: Bool -- ^ show timestamp in stderr output
        , traceScheduler :: Bool -- ^ trace scheduler events
        , traceGc        :: Bool -- ^ trace GC events
        , sparksSampled  :: Bool -- ^ trace spark events by a sampled method
        , sparksFull     :: Bool -- ^ trace spark events 100% accurately
        , user           :: Bool -- ^ trace user events (emitted from Haskell code)
        } deriving (Show)

    data TickyFlags = TickyFlags
        { showTickyStats :: Bool
        , tickyFile      :: Maybe FilePath
        } deriving (Show)

    data RTSFlags = RTSFlags
        { gcFlags         :: GCFlags
        , concurrentFlags :: ConcFlags
        , miscFlags       :: MiscFlags
        , debugFlags      :: DebugFlags
        , costCentreFlags :: CCFlags
        , profilingFlags  :: ProfFlags
        , traceFlags      :: TraceFlags
        , tickyFlags      :: TickyFlags
        } deriving (Show)

    foreign import ccall safe "getGcFlags"
      getGcFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getConcFlags"
      getConcFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getMiscFlags"
      getMiscFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getDebugFlags"
      getDebugFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getCcFlags"
      getCcFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getProfFlags" getProfFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getTraceFlags"
      getTraceFlagsPtr :: IO (Ptr ())

    foreign import ccall safe "getTickyFlags"
      getTickyFlagsPtr :: IO (Ptr ())

    getRTSFlags :: IO RTSFlags
    getRTSFlags = do
      RTSFlags <$> getGCFlags
               <*> getConcFlags
               <*> getMiscFlags
               <*> getDebugFlags
               <*> getCCFlags
               <*> getProfFlags
               <*> getTraceFlags
               <*> getTickyFlags

    peekFilePath :: Ptr () -> IO (Maybe FilePath)
    peekFilePath ptr
      | ptr == nullPtr = return Nothing
      | otherwise      = return (Just "<filepath>")

    -- | Read a NUL terminated string. Return Nothing in case of a NULL pointer.
    peekCStringOpt :: Ptr CChar -> IO (Maybe String)
    peekCStringOpt ptr
      | ptr == nullPtr = return Nothing
      | otherwise      = Just <$> peekCString ptr

    getGCFlags :: IO GCFlags
    getGCFlags = do
      ptr <- getGcFlagsPtr
      GCFlags <$> (peekFilePath =<< (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr)
    {-# LINE 307 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (toEnum . fromIntegral <$>
                    ((\hsc_ptr -> peekByteOff hsc_ptr 8) ptr :: IO Nat))
    {-# LINE 309 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 310 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 311 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 312 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 313 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 314 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr
    {-# LINE 315 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 40) ptr
    {-# LINE 316 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 44) ptr
    {-# LINE 317 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 48) ptr
    {-# LINE 318 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 56) ptr
    {-# LINE 319 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 64) ptr
    {-# LINE 320 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 72) ptr
    {-# LINE 321 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 76) ptr
    {-# LINE 322 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 80) ptr
    {-# LINE 323 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 84) ptr
    {-# LINE 324 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 88) ptr
    {-# LINE 325 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 96) ptr
    {-# LINE 326 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 100) ptr
    {-# LINE 327 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 104) ptr
    {-# LINE 328 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 112) ptr
    {-# LINE 329 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 120) ptr
    {-# LINE 330 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 128) ptr
    {-# LINE 331 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 136) ptr
    {-# LINE 332 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getConcFlags :: IO ConcFlags
    getConcFlags = do
      ptr <- getConcFlagsPtr
      ConcFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 337 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 338 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getMiscFlags :: IO MiscFlags
    getMiscFlags = do
      ptr <- getMiscFlagsPtr
      MiscFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 343 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 344 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 345 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 346 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getDebugFlags :: IO DebugFlags
    getDebugFlags = do
      ptr <- getDebugFlagsPtr
      DebugFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 351 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 352 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 353 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 354 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 355 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 356 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 357 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 358 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr
    {-# LINE 359 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 36) ptr
    {-# LINE 360 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 40) ptr
    {-# LINE 361 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 44) ptr
    {-# LINE 362 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 48) ptr
    {-# LINE 363 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 52) ptr
    {-# LINE 364 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 56) ptr
    {-# LINE 365 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getCCFlags :: IO CCFlags
    getCCFlags = do
      ptr <- getCcFlagsPtr
      CCFlags <$> (toEnum . fromIntegral
                    <$> ((\hsc_ptr -> peekByteOff hsc_ptr 0) ptr :: IO Nat))
    {-# LINE 371 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 372 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 373 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getProfFlags :: IO ProfFlags
    getProfFlags = do
      ptr <- getProfFlagsPtr
      ProfFlags <$> (toEnum <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr)
    {-# LINE 378 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 379 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 380 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 381 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 382 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 383 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr
    {-# LINE 384 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 40) ptr)
    {-# LINE 385 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 48) ptr)
    {-# LINE 386 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 56) ptr)
    {-# LINE 387 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 64) ptr)
    {-# LINE 388 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 72) ptr)
    {-# LINE 389 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 80) ptr)
    {-# LINE 390 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 88) ptr)
    {-# LINE 391 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getTraceFlags :: IO TraceFlags
    getTraceFlags = do
      ptr <- getTraceFlagsPtr
      TraceFlags <$> (toEnum . fromIntegral
                       <$> ((\hsc_ptr -> peekByteOff hsc_ptr 0) ptr :: IO CInt))
    {-# LINE 397 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 398 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 399 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 400 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 401 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 402 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 403 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getTickyFlags :: IO TickyFlags
    getTickyFlags = do
      ptr <- getTickyFlagsPtr
      TickyFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 408 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (peekFilePath =<< (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr)
    {-# LINE 409 "libraries/base/GHC/RTS/Flags.hsc" #-}