import Data.String.Utils
import qualified Data.Map as M
import qualified Data.Set as S
+import qualified Data.ByteString.Lazy as B
import System.Plugins
import Text.Printf
code_void :: FunPtr (IO ()) -> (IO ())
-foreign export ccall getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
-getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
-getMethodEntry signal_from ptr_mmap ptr_tmap = do
- mmap <- ptr2mmap ptr_mmap
- tmap <- ptr2tmap ptr_tmap
+foreign export ccall getMethodEntry :: CUInt -> CUInt -> IO CUInt
+getMethodEntry :: CUInt -> CUInt -> IO CUInt
+getMethodEntry signal_from methodtable = do
+ mmap <- get_methodmap >>= ptr2mmap
+ tmap <- get_trapmap >>= ptr2tmap
+ vmap <- get_virtualmap >>= ptr2virtualmap
let w32_from = fromIntegral signal_from
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"
+ let mi'@(MethodInfo method cm sig) =
+ case mi of
+ (MI x) -> x
+ (VI (MethodInfo methname _ msig)) ->
+ (MethodInfo methname (vmap M.! (fromIntegral methodtable)) msig)
+ _ -> error $ "getMethodEntry: no trapInfo. abort."
+ 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')
+ mm <- lookupMethodRecursive method [] cls
+ case mm of
+ Just (mm', clsnames, cls') -> 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' (MethodInfo method (thisClass cls') sig)
+ addMethodRef entry mi' clsnames
+ return $ fromIntegral entry
+ 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)
+
+lookupMethodRecursive :: B.ByteString -> [B.ByteString] -> Class Resolved
+ -> IO (Maybe ((Method Resolved, [B.ByteString], Class Resolved)))
+lookupMethodRecursive name clsnames cls = do
+ case res of
+ Just x -> return $ Just (x, nextclsn, cls)
+ Nothing -> if thisname == "java/lang/Object"
+ then return $ Nothing
+ else do
+ supercl <- getClassFile (superClass cls)
+ lookupMethodRecursive name nextclsn supercl
+ where
+ res = lookupMethod name cls
+ thisname = thisClass cls
+ nextclsn :: [B.ByteString]
+ nextclsn = thisname:clsnames
-- TODO(bernhard): UBERHAX. ghc patch?
foreign import ccall safe "lookupSymbol"
mmap2ptr M.empty >>= set_methodmap
tmap2ptr M.empty >>= set_trapmap
classmap2ptr M.empty >>= set_classmap
+ virtualmap2ptr M.empty >>= set_virtualmap
-compileBB :: MapBB -> MethodInfo -> IO (Ptr Word8)
-compileBB hmap methodinfo = do
+
+addMethodRef :: Word32 -> MethodInfo -> [B.ByteString] -> IO ()
+addMethodRef entry (MethodInfo mmname _ msig) clsnames = do
mmap <- get_methodmap >>= ptr2mmap
+ let newmap = M.fromList $ map (\x -> ((MethodInfo mmname x msig), entry)) clsnames
+ mmap2ptr (mmap `M.union` newmap) >>= set_methodmap
+
+
+compileBB :: MapBB -> MethodInfo -> IO Word32
+compileBB hmap methodinfo = do
tmap <- get_trapmap >>= ptr2tmap
- -- TODO(bernhard): replace parsing with some kind of classpool
cls <- getClassFile (cName methodinfo)
let ebb = emitFromBB (methName methodinfo) cls hmap
(_, Right ((entry, _, _, new_tmap), disasm)) <- runCodeGen ebb () ()
- let w32_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
- let mmap' = M.insert methodinfo w32_entry mmap
let tmap' = M.union tmap new_tmap -- prefers elements in cmap
- mmap2ptr mmap' >>= set_methodmap
tmap2ptr tmap' >>= set_trapmap
printf "disasm:\n"
-- (2) on getLine, press ctrl+c
-- (3) `br *0x<addr>'; obtain the address from the disasm above
-- (4) `cont' and press enter
- return entry
+ return $ fromIntegral $ ptrToIntPtr entry
-executeFuncPtr :: Ptr Word8 -> IO ()
-executeFuncPtr entry = code_void $ ((castPtrToFunPtr entry) :: FunPtr (IO ()))
+executeFuncPtr :: Word32 -> IO ()
+executeFuncPtr entry =
+ code_void $ ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))
projects / mate.git / blobdiff