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

    {-# LINE 1 "libraries/base/GHC/RTS/Flags.hsc" #-}
    {-# LANGUAGE NoImplicitPrelude #-}
    {-# 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
      ( RtsTime
      , RTSFlags (..)
      , GiveGCStats (..)
      , GCFlags (..)
      , ConcFlags (..)
      , MiscFlags (..)
      , DebugFlags (..)
      , DoCostCentres (..)
      , CCFlags (..)
      , DoHeapProfile (..)
      , ProfFlags (..)
      , DoTrace (..)
      , TraceFlags (..)
      , TickyFlags (..)
      , ParFlags (..)
      , getRTSFlags
      , getGCFlags
      , getConcFlags
      , getMiscFlags
      , getDebugFlags
      , getCCFlags
      , getProfFlags
      , getTraceFlags
      , getTickyFlags
      , getParFlags
      ) where

    import Control.Applicative
    import Control.Monad

    import Foreign
    import Foreign.C

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

    -- | @'Time'@ is defined as a @'StgWord64'@ in @stg/Types.h@
    --
    -- @since 4.8.2.0
    type RtsTime = Word64

    -- | Should we produce a summary of the garbage collector statistics after the
    -- program has exited?
    --
    -- @since 4.8.2.0
    data GiveGCStats
        = NoGCStats
        | CollectGCStats
        | OneLineGCStats
        | SummaryGCStats
        | VerboseGCStats
        deriving (Show)

    -- | @since 4.8.0.0
    instance Enum GiveGCStats where
        fromEnum NoGCStats      = 0
    {-# LINE 74 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CollectGCStats = 1
    {-# LINE 75 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum OneLineGCStats = 2
    {-# LINE 76 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum SummaryGCStats = 3
    {-# LINE 77 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum VerboseGCStats = 4
    {-# LINE 78 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0      = NoGCStats
    {-# LINE 80 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = CollectGCStats
    {-# LINE 81 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2 = OneLineGCStats
    {-# LINE 82 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 3 = SummaryGCStats
    {-# LINE 83 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4 = VerboseGCStats
    {-# LINE 84 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = errorWithoutStackTrace ("invalid enum for GiveGCStats: " ++ show e)

    -- | Parameters of the garbage collector.
    --
    -- @since 4.8.0.0
    data GCFlags = GCFlags
        { statsFile             :: Maybe FilePath
        , giveStats             :: GiveGCStats
        , maxStkSize            :: Word32
        , initialStkSize        :: Word32
        , stkChunkSize          :: Word32
        , stkChunkBufferSize    :: Word32
        , maxHeapSize           :: Word32
        , minAllocAreaSize      :: Word32
        , largeAllocLim         :: Word32
        , nurseryChunkSize      :: Word32
        , minOldGenSize         :: Word32
        , heapSizeSuggestion    :: Word32
        , heapSizeSuggestionAuto :: Bool
        , oldGenFactor          :: Double
        , pcFreeHeap            :: Double
        , generations           :: Word32
        , 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
        , idleGCDelayTime       :: RtsTime
        , doIdleGC              :: Bool
        , heapBase              :: Word -- ^ address to ask the OS for memory
        , allocLimitGrace       :: Word
        , numa                  :: Bool
        , numaMask              :: Word
        } deriving (Show)

    -- | Parameters concerning context switching
    --
    -- @since 4.8.0.0
    data ConcFlags = ConcFlags
        { ctxtSwitchTime  :: RtsTime
        , ctxtSwitchTicks :: Int
        } deriving (Show)

    -- | Miscellaneous parameters
    --
    -- @since 4.8.0.0
    data MiscFlags = MiscFlags
        { tickInterval          :: RtsTime
        , 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.
    --
    -- @since 4.8.0.0
    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)

    -- | Should the RTS produce a cost-center summary?
    --
    -- @since 4.8.2.0
    data DoCostCentres
        = CostCentresNone
        | CostCentresSummary
        | CostCentresVerbose
        | CostCentresAll
        | CostCentresJSON
        deriving (Show)

    -- | @since 4.8.0.0
    instance Enum DoCostCentres where
        fromEnum CostCentresNone    = 0
    {-# LINE 175 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresSummary = 1
    {-# LINE 176 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresVerbose = 2
    {-# LINE 177 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresAll     = 3
    {-# LINE 178 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum CostCentresJSON    = 4
    {-# LINE 179 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0    = CostCentresNone
    {-# LINE 181 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = CostCentresSummary
    {-# LINE 182 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2 = CostCentresVerbose
    {-# LINE 183 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 3     = CostCentresAll
    {-# LINE 184 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4    = CostCentresJSON
    {-# LINE 185 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = errorWithoutStackTrace ("invalid enum for DoCostCentres: " ++ show e)

    -- | Parameters pertaining to the cost-center profiler.
    --
    -- @since 4.8.0.0
    data CCFlags = CCFlags
        { doCostCentres :: DoCostCentres
        , profilerTicks :: Int
        , msecsPerTick  :: Int
        } deriving (Show)

    -- | What sort of heap profile are we collecting?
    --
    -- @since 4.8.2.0
    data DoHeapProfile
        = NoHeapProfiling
        | HeapByCCS
        | HeapByMod
        | HeapByDescr
        | HeapByType
        | HeapByRetainer
        | HeapByLDV
        | HeapByClosureType
        deriving (Show)

    -- | @since 4.8.0.0
    instance Enum DoHeapProfile where
        fromEnum NoHeapProfiling   = 0
    {-# LINE 213 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByCCS         = 1
    {-# LINE 214 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByMod         = 2
    {-# LINE 215 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByDescr       = 4
    {-# LINE 216 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByType        = 5
    {-# LINE 217 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByRetainer    = 6
    {-# LINE 218 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByLDV         = 7
    {-# LINE 219 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum HeapByClosureType = 8
    {-# LINE 220 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0    = NoHeapProfiling
    {-# LINE 222 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1          = HeapByCCS
    {-# LINE 223 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2          = HeapByMod
    {-# LINE 224 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 4        = HeapByDescr
    {-# LINE 225 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 5         = HeapByType
    {-# LINE 226 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 6     = HeapByRetainer
    {-# LINE 227 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 7          = HeapByLDV
    {-# LINE 228 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 8 = HeapByClosureType
    {-# LINE 229 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = errorWithoutStackTrace ("invalid enum for DoHeapProfile: " ++ show e)

    -- | Parameters of the cost-center profiler
    --
    -- @since 4.8.0.0
    data ProfFlags = ProfFlags
        { doHeapProfile            :: DoHeapProfile
        , heapProfileInterval      :: RtsTime -- ^ 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)

    -- | Is event tracing enabled?
    --
    -- @since 4.8.2.0
    data DoTrace
        = TraceNone      -- ^ no tracing
        | TraceEventLog  -- ^ send tracing events to the event log
        | TraceStderr    -- ^ send tracing events to @stderr@
        deriving (Show)

    -- | @since 4.8.0.0
    instance Enum DoTrace where
        fromEnum TraceNone     = 0
    {-# LINE 263 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum TraceEventLog = 1
    {-# LINE 264 "libraries/base/GHC/RTS/Flags.hsc" #-}
        fromEnum TraceStderr   = 2
    {-# LINE 265 "libraries/base/GHC/RTS/Flags.hsc" #-}

        toEnum 0     = TraceNone
    {-# LINE 267 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 1 = TraceEventLog
    {-# LINE 268 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum 2   = TraceStderr
    {-# LINE 269 "libraries/base/GHC/RTS/Flags.hsc" #-}
        toEnum e = errorWithoutStackTrace ("invalid enum for DoTrace: " ++ show e)

    -- | Parameters pertaining to event tracing
    --
    -- @since 4.8.0.0
    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)

    -- | Parameters pertaining to ticky-ticky profiler
    --
    -- @since 4.8.0.0
    data TickyFlags = TickyFlags
        { showTickyStats :: Bool
        , tickyFile      :: Maybe FilePath
        } deriving (Show)

    -- | Parameters pertaining to parallelism
    --
    -- @since 4.8.0.0
    data ParFlags = ParFlags
        { nCapabilities :: Word32
        , migrate :: Bool
        , maxLocalSparks :: Word32
        , parGcEnabled :: Bool
        , parGcGen :: Word32
        , parGcLoadBalancingEnabled :: Bool
        , parGcLoadBalancingGen :: Word32
        , parGcNoSyncWithIdle :: Word32
        , parGcThreads :: Word32
        , setAffinity :: Bool
        }
        deriving (Show)

    -- | Parameters of the runtime system
    --
    -- @since 4.8.0.0
    data RTSFlags = RTSFlags
        { gcFlags         :: GCFlags
        , concurrentFlags :: ConcFlags
        , miscFlags       :: MiscFlags
        , debugFlags      :: DebugFlags
        , costCentreFlags :: CCFlags
        , profilingFlags  :: ProfFlags
        , traceFlags      :: TraceFlags
        , tickyFlags      :: TickyFlags
        , parFlags        :: ParFlags
        } deriving (Show)

    foreign import ccall "&RtsFlags" rtsFlagsPtr :: Ptr RTSFlags

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

    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
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 0)) rtsFlagsPtr
    {-# LINE 352 "libraries/base/GHC/RTS/Flags.hsc" #-}
      GCFlags <$> (peekFilePath =<< (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr)
    {-# LINE 353 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (toEnum . fromIntegral <$>
                    ((\hsc_ptr -> peekByteOff hsc_ptr 8) ptr :: IO Word32))
    {-# LINE 355 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 356 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 357 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 358 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 359 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 360 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr
    {-# LINE 361 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 36) ptr
    {-# LINE 362 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 40) ptr
    {-# LINE 363 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 44) ptr
    {-# LINE 364 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 48) ptr
    {-# LINE 365 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 52) ptr
    {-# LINE 366 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 56) ptr
    {-# LINE 367 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 64) ptr
    {-# LINE 368 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 72) ptr
    {-# LINE 369 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 76) ptr
    {-# LINE 370 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 77) ptr
    {-# LINE 371 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 80) ptr
    {-# LINE 372 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 88) ptr
    {-# LINE 373 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 89) ptr
    {-# LINE 374 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 96) ptr
    {-# LINE 375 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 104) ptr
    {-# LINE 376 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 112) ptr
    {-# LINE 377 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 120) ptr
    {-# LINE 378 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 136) ptr
    {-# LINE 379 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 144) ptr
    {-# LINE 380 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getParFlags :: IO ParFlags
    getParFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 360)) rtsFlagsPtr
    {-# LINE 384 "libraries/base/GHC/RTS/Flags.hsc" #-}
      ParFlags
        <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 386 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 387 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 388 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 389 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 390 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 391 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 392 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 393 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr
    {-# LINE 394 "libraries/base/GHC/RTS/Flags.hsc" #-}
        <*> (\hsc_ptr -> peekByteOff hsc_ptr 36) ptr
    {-# LINE 395 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getConcFlags :: IO ConcFlags
    getConcFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 152)) rtsFlagsPtr
    {-# LINE 399 "libraries/base/GHC/RTS/Flags.hsc" #-}
      ConcFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 400 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 401 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getMiscFlags :: IO MiscFlags
    getMiscFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 168)) rtsFlagsPtr
    {-# LINE 405 "libraries/base/GHC/RTS/Flags.hsc" #-}
      MiscFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 406 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 407 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 9) ptr
    {-# LINE 408 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 409 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getDebugFlags :: IO DebugFlags
    getDebugFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 192)) rtsFlagsPtr
    {-# LINE 413 "libraries/base/GHC/RTS/Flags.hsc" #-}
      DebugFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 414 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 1) ptr
    {-# LINE 415 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 2) ptr
    {-# LINE 416 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 3) ptr
    {-# LINE 417 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 418 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 5) ptr
    {-# LINE 419 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 6) ptr
    {-# LINE 420 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 7) ptr
    {-# LINE 421 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 422 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 9) ptr
    {-# LINE 423 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 10) ptr
    {-# LINE 424 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 11) ptr
    {-# LINE 425 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 12) ptr
    {-# LINE 426 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 13) ptr
    {-# LINE 427 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 14) ptr
    {-# LINE 428 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getCCFlags :: IO CCFlags
    getCCFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 0)) rtsFlagsPtr
    {-# LINE 432 "libraries/base/GHC/RTS/Flags.hsc" #-}
      CCFlags <$> (toEnum . fromIntegral
                    <$> ((\hsc_ptr -> peekByteOff hsc_ptr 0) ptr :: IO Word32))
    {-# LINE 434 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 435 "libraries/base/GHC/RTS/Flags.hsc" #-}
              <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 436 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getProfFlags :: IO ProfFlags
    getProfFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 240)) rtsFlagsPtr
    {-# LINE 440 "libraries/base/GHC/RTS/Flags.hsc" #-}
      ProfFlags <$> (toEnum <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr)
    {-# LINE 441 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 442 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 16) ptr
    {-# LINE 443 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 20) ptr
    {-# LINE 444 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 21) ptr
    {-# LINE 445 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 24) ptr
    {-# LINE 446 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (\hsc_ptr -> peekByteOff hsc_ptr 28) ptr
    {-# LINE 447 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 32) ptr)
    {-# LINE 448 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 40) ptr)
    {-# LINE 449 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 48) ptr)
    {-# LINE 450 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 56) ptr)
    {-# LINE 451 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 64) ptr)
    {-# LINE 452 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 72) ptr)
    {-# LINE 453 "libraries/base/GHC/RTS/Flags.hsc" #-}
                <*> (peekCStringOpt =<< (\hsc_ptr -> peekByteOff hsc_ptr 80) ptr)
    {-# LINE 454 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getTraceFlags :: IO TraceFlags
    getTraceFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 328)) rtsFlagsPtr
    {-# LINE 458 "libraries/base/GHC/RTS/Flags.hsc" #-}
      TraceFlags <$> (toEnum . fromIntegral
                       <$> ((\hsc_ptr -> peekByteOff hsc_ptr 0) ptr :: IO CInt))
    {-# LINE 460 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 4) ptr
    {-# LINE 461 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 5) ptr
    {-# LINE 462 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 6) ptr
    {-# LINE 463 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 7) ptr
    {-# LINE 464 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr
    {-# LINE 465 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (\hsc_ptr -> peekByteOff hsc_ptr 9) ptr
    {-# LINE 466 "libraries/base/GHC/RTS/Flags.hsc" #-}

    getTickyFlags :: IO TickyFlags
    getTickyFlags = do
      let ptr = ((\hsc_ptr -> hsc_ptr `plusPtr` 344)) rtsFlagsPtr
    {-# LINE 470 "libraries/base/GHC/RTS/Flags.hsc" #-}
      TickyFlags <$> (\hsc_ptr -> peekByteOff hsc_ptr 0) ptr
    {-# LINE 471 "libraries/base/GHC/RTS/Flags.hsc" #-}
                 <*> (peekFilePath =<< (\hsc_ptr -> peekByteOff hsc_ptr 8) ptr)
    {-# LINE 472 "libraries/base/GHC/RTS/Flags.hsc" #-}