import Data.Array.ST ( castSTUArray )
import Foreign
import Data.Char ( ord )
+import Data.List
import GHC.Base ( ByteArray#, MutableByteArray#, RealWorld )
instance Outputable UnlinkedBCO where
ppr (UnlinkedBCO nm _arity _insns _bitmap lits ptrs)
= sep [text "BCO", ppr nm, text "with",
- int (sizeSS lits), text "lits",
- int (sizeSS ptrs), text "ptrs" ]
+ ppr (sizeSS lits), text "lits",
+ ppr (sizeSS ptrs), text "ptrs" ]
-- -----------------------------------------------------------------------------
-- The bytecode assembler
= case i of LABEL n -> addToFM env n i_offset ; _ -> env
in mkLabelEnv new_env (i_offset + instrSize16s i) is
+ findLabel :: Word16 -> Word16
findLabel lab
= case lookupFM label_env lab of
Just bco_offset -> bco_offset
- Nothing -> pprPanic "assembleBCO.findLabel" (int lab)
+ Nothing -> pprPanic "assembleBCO.findLabel" (ppr lab)
in
do -- pass 2: generate the instruction, ptr and nonptr bits
insns <- return emptySS :: IO (SizedSeq Word16)
-- zonk ptr = do -- putStrLn ("freeing malloc'd block at " ++ show (A# a#))
-- free ptr
-mkBitmapArray :: Int -> [StgWord] -> UArray Int StgWord
+mkBitmapArray :: Word16 -> [StgWord] -> UArray Int StgWord
mkBitmapArray bsize bitmap
= listArray (0, length bitmap) (fromIntegral bsize : bitmap)
-mkInstrArray :: Int -> [Word16] -> UArray Int Word16
+mkInstrArray :: Word16 -> [Word16] -> UArray Word16 Word16
mkInstrArray n_insns asm_insns
= listArray (0, n_insns) (fromIntegral n_insns : asm_insns)
SizedSeq BCONPtr,
SizedSeq BCOPtr)
-data SizedSeq a = SizedSeq !Int [a]
+data SizedSeq a = SizedSeq !Word16 [a]
emptySS :: SizedSeq a
emptySS = SizedSeq 0 []
addToSS (SizedSeq n r_xs) x = return (SizedSeq (n+1) (x:r_xs))
addListToSS :: SizedSeq a -> [a] -> IO (SizedSeq a)
addListToSS (SizedSeq n r_xs) xs
- = return (SizedSeq (n + length xs) (reverse xs ++ r_xs))
+ = return (SizedSeq (n + genericLength xs) (reverse xs ++ r_xs))
ssElts :: SizedSeq a -> [a]
ssElts (SizedSeq _ r_xs) = reverse r_xs
-sizeSS :: SizedSeq a -> Int
+sizeSS :: SizedSeq a -> Word16
sizeSS (SizedSeq n _) = n
-- Bring in all the bci_ bytecode constants.
#include "Bytecodes.h"
-largeArgInstr :: Int -> Int
+largeArgInstr :: Word16 -> Word16
largeArgInstr bci = bci_FLAG_LARGE_ARGS .|. bci
-largeArg :: Int -> [Int]
-largeArg i
+largeArg :: Word -> [Word16]
+largeArg w
| wORD_SIZE_IN_BITS == 64
- = [(i .&. 0xFFFF000000000000) `shiftR` 48,
- (i .&. 0x0000FFFF00000000) `shiftR` 32,
- (i .&. 0x00000000FFFF0000) `shiftR` 16,
- (i .&. 0x000000000000FFFF)]
+ = [fromIntegral (w `shiftR` 48),
+ fromIntegral (w `shiftR` 32),
+ fromIntegral (w `shiftR` 16),
+ fromIntegral w]
| wORD_SIZE_IN_BITS == 32
- = [(i .&. 0xFFFF0000) `shiftR` 16,
- (i .&. 0x0000FFFF)]
+ = [fromIntegral (w `shiftR` 16),
+ fromIntegral w]
| otherwise = error "wORD_SIZE_IN_BITS not 32 or 64?"
-- This is where all the action is (pass 2 of the assembler)
-mkBits :: (Int -> Int) -- label finder
+mkBits :: (Word16 -> Word16) -- label finder
-> AsmState
-> [BCInstr] -- instructions (in)
-> IO AsmState
STKCHECK n
| n > 65535 ->
instrn st (largeArgInstr bci_STKCHECK : largeArg n)
- | otherwise -> instr2 st bci_STKCHECK n
+ | otherwise -> instr2 st bci_STKCHECK (fromIntegral n)
PUSH_L o1 -> instr2 st bci_PUSH_L o1
PUSH_LL o1 o2 -> instr3 st bci_PUSH_LL o1 o2
PUSH_LLL o1 o2 o3 -> instr4 st bci_PUSH_LLL o1 o2 o3
(p2, st3) <- ptr st2 (BCOPtrBreakInfo info)
instr4 st3 bci_BRK_FUN p1 index p2
- i2s :: Int -> Word16
- i2s = fromIntegral
-
- instrn :: AsmState -> [Int] -> IO AsmState
+ instrn :: AsmState -> [Word16] -> IO AsmState
instrn st [] = return st
instrn (st_i, st_l, st_p) (i:is)
- = do st_i' <- addToSS st_i (i2s i)
+ = do st_i' <- addToSS st_i i
instrn (st_i', st_l, st_p) is
instr1 (st_i0,st_l0,st_p0) i1
= do st_i1 <- addToSS st_i0 i1
return (st_i1,st_l0,st_p0)
- instr2 (st_i0,st_l0,st_p0) i1 i2
- = do st_i1 <- addToSS st_i0 (i2s i1)
- st_i2 <- addToSS st_i1 (i2s i2)
+ instr2 (st_i0,st_l0,st_p0) w1 w2
+ = do st_i1 <- addToSS st_i0 w1
+ st_i2 <- addToSS st_i1 w2
return (st_i2,st_l0,st_p0)
- instr3 (st_i0,st_l0,st_p0) i1 i2 i3
- = do st_i1 <- addToSS st_i0 (i2s i1)
- st_i2 <- addToSS st_i1 (i2s i2)
- st_i3 <- addToSS st_i2 (i2s i3)
+ instr3 (st_i0,st_l0,st_p0) w1 w2 w3
+ = do st_i1 <- addToSS st_i0 w1
+ st_i2 <- addToSS st_i1 w2
+ st_i3 <- addToSS st_i2 w3
return (st_i3,st_l0,st_p0)
- instr4 (st_i0,st_l0,st_p0) i1 i2 i3 i4
- = do st_i1 <- addToSS st_i0 (i2s i1)
- st_i2 <- addToSS st_i1 (i2s i2)
- st_i3 <- addToSS st_i2 (i2s i3)
- st_i4 <- addToSS st_i3 (i2s i4)
+ instr4 (st_i0,st_l0,st_p0) w1 w2 w3 w4
+ = do st_i1 <- addToSS st_i0 w1
+ st_i2 <- addToSS st_i1 w2
+ st_i3 <- addToSS st_i2 w3
+ st_i4 <- addToSS st_i3 w4
return (st_i4,st_l0,st_p0)
float (st_i0,st_l0,st_p0) f
literal _ other = pprPanic "ByteCodeAsm.literal" (ppr other)
-push_alts :: CgRep -> Int
+push_alts :: CgRep -> Word16
push_alts NonPtrArg = bci_PUSH_ALTS_N
push_alts FloatArg = bci_PUSH_ALTS_F
push_alts DoubleArg = bci_PUSH_ALTS_D
-- The size in 16-bit entities of an instruction.
-instrSize16s :: BCInstr -> Int
+instrSize16s :: BCInstr -> Word16
instrSize16s instr
= case instr of
STKCHECK{} -> 2
projects / ghc-hetmet.git / blobdiff