module Mate.MethodPool where
import Data.Binary
+import Data.String.Utils
import qualified Data.Map as M
-import qualified Data.ByteString.Lazy as B
+import qualified Data.Set as S
+import System.Plugins
import Text.Printf
import Foreign.Ptr
import Foreign.C.Types
-import Foreign.StablePtr
+import Foreign.C.String
import JVM.ClassFile
-import JVM.Converter
import Harpy
import Harpy.X86Disassembler
import Mate.BasicBlocks
import Mate.Types
import Mate.X86CodeGen
+import Mate.Utilities
+import Mate.ClassPool
-foreign import ccall "get_mmap"
- get_mmap :: IO (Ptr ())
+foreign import ccall "dynamic"
+ code_void :: FunPtr (IO ()) -> (IO ())
-foreign import ccall "set_mmap"
- set_mmap :: Ptr () -> IO ()
foreign export ccall getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
-getMethodEntry signal_from ptr_mmap ptr_cmap = do
+getMethodEntry signal_from ptr_mmap ptr_tmap = do
mmap <- ptr2mmap ptr_mmap
- cmap <- ptr2cmap ptr_cmap
+ tmap <- ptr2tmap ptr_tmap
let w32_from = fromIntegral signal_from
- let mi@(MethodInfo method cm _ cpidx) = cmap M.! w32_from
- -- TODO(bernhard): replace parsing with some kind of classpool
- cls <- parseClassFile $ toString $ cm `B.append` ".class"
- case M.lookup mi mmap of
- Nothing -> do
- printf "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi)
- -- TODO(bernhard): maybe we have to load the class first?
- -- (Or better in X86CodeGen?)
- let (CMethod _ nt) = (constsPool cls) M.! cpidx
- hmap <- parseMethod cls (ntName nt)
- printMapBB hmap
- case hmap of
- Just hmap' -> do
- entry <- compileBB hmap' mi
- return $ fromIntegral $ ((fromIntegral $ ptrToIntPtr entry) :: Word32)
- Nothing -> error $ (show method) ++ " not found. abort"
- Just w32 -> return (fromIntegral w32)
+ let mi = tmap M.! w32_from
+ case mi of
+ (MI mi'@(MethodInfo method cm sig)) -> do
+ case M.lookup mi' mmap of
+ Nothing -> do
+ cls <- getClassFile cm
+ printf "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi')
+ let mm = lookupMethod method cls
+ case mm of
+ Just mm' -> do
+ let flags = methodAccessFlags mm'
+ case S.member ACC_NATIVE flags of
+ False -> do
+ hmap <- parseMethod cls method
+ printMapBB hmap
+ case hmap of
+ Just hmap' -> do
+ entry <- compileBB hmap' mi'
+ return $ fromIntegral $ ((fromIntegral $ ptrToIntPtr entry) :: Word32)
+ Nothing -> error $ (show method) ++ " not found. abort"
+ True -> do
+ let symbol = (replace "/" "_" $ toString cm) ++ "__" ++ (toString method) ++ "__" ++ (replace "(" "_" (replace ")" "_" $ toString $ encode sig))
+ printf "native-call: symbol: %s\n" symbol
+ nf <- loadNativeFunction symbol
+ let w32_nf = fromIntegral nf
+ let mmap' = M.insert mi' w32_nf mmap
+ mmap2ptr mmap' >>= set_methodmap
+ return nf
+ Nothing -> error $ (show method) ++ " not found. abort"
+ Just w32 -> return (fromIntegral w32)
+ _ -> error $ "getMethodEntry: no trapInfo. abort"
+
+-- TODO(bernhard): UBERHAX. ghc patch?
+foreign import ccall safe "lookupSymbol"
+ c_lookupSymbol :: CString -> IO (Ptr a)
+
+loadNativeFunction :: String -> IO (CUInt)
+loadNativeFunction sym = do
+ _ <- loadRawObject "ffi/native.o"
+ -- TODO(bernhard): WTF
+ resolveObjs (return ())
+ ptr <- withCString sym c_lookupSymbol
+ if (ptr == nullPtr)
+ then error $ "dyn. loading of \"" ++ sym ++ "\" failed."
+ else return $ fromIntegral $ ptrToIntPtr ptr
-- t_01 :: IO ()
-- t_01 = do
initMethodPool :: IO ()
initMethodPool = do
- mmap2ptr M.empty >>= set_mmap
- cmap2ptr M.empty >>= set_cmap
+ mmap2ptr M.empty >>= set_methodmap
+ tmap2ptr M.empty >>= set_trapmap
+ classmap2ptr M.empty >>= set_classmap
compileBB :: MapBB -> MethodInfo -> IO (Ptr Word8)
compileBB hmap methodinfo = do
- mmap <- get_mmap >>= ptr2mmap
- cmap <- get_cmap >>= ptr2cmap
+ mmap <- get_methodmap >>= ptr2mmap
+ tmap <- get_trapmap >>= ptr2tmap
-- TODO(bernhard): replace parsing with some kind of classpool
- cls <- parseClassFile $ toString $ (cName methodinfo) `B.append` ".class"
+ cls <- getClassFile (cName methodinfo)
let ebb = emitFromBB cls hmap
- (_, Right ((entry, _, _, new_cmap), disasm)) <- runCodeGen ebb () ()
+ (_, Right ((entry, _, _, new_tmap), disasm)) <- runCodeGen ebb () ()
let w32_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
let mmap' = M.insert methodinfo w32_entry mmap
- let cmap' = M.union cmap new_cmap -- prefers elements in cmap
- mmap2ptr mmap' >>= set_mmap
- cmap2ptr cmap' >>= set_cmap
+ let tmap' = M.union tmap new_tmap -- prefers elements in cmap
+ mmap2ptr mmap' >>= set_methodmap
+ tmap2ptr tmap' >>= set_trapmap
printf "disasm:\n"
mapM_ (putStrLn . showAtt) disasm
return entry
-foreign import ccall "dynamic"
- code_void :: FunPtr (IO ()) -> (IO ())
-
executeFuncPtr :: Ptr Word8 -> IO ()
executeFuncPtr entry = code_void $ ((castPtrToFunPtr entry) :: FunPtr (IO ()))
-
--- TODO(bernhard): make some typeclass magic 'n stuff
-mmap2ptr :: MMap -> IO (Ptr ())
-mmap2ptr mmap = do
- ptr_mmap <- newStablePtr mmap
- return $ castStablePtrToPtr ptr_mmap
-
-ptr2mmap :: Ptr () -> IO MMap
-ptr2mmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr MMap)
-
-cmap2ptr :: CMap -> IO (Ptr ())
-cmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
-
-ptr2cmap :: Ptr () -> IO CMap
-ptr2cmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
projects / mate.git / blobdiff