+#endif
+
+#ifdef DEBUG
+import Text.Printf
+#endif
+
+import Mate.BasicBlocks
+import Mate.Types
+import Mate.NativeMachine
+import Mate.ClassPool
+import Mate.Debug
+import Mate.Utilities
+import Mate.Rts()
+
+foreign import ccall "dynamic"
+ code_void :: FunPtr (IO ()) -> IO ()
+
+foreign import ccall "&demoInterfaceCall"
+ demoInterfaceCallAddr :: FunPtr (CUInt -> IO ())
+
+foreign import ccall "&printMemoryUsage"
+ printMemoryUsageAddr :: FunPtr (IO ())
+
+foreign import ccall "&loadLibrary"
+ loadLibraryAddr :: FunPtr (IO ())
+
+getMethodEntry :: CPtrdiff -> CPtrdiff -> IO CPtrdiff
+getMethodEntry signal_from methodtable = do
+ mmap <- getMethodMap
+ tmap <- getTrapMap
+ vmap <- getVirtualMap
+
+ let w32_from = fromIntegral signal_from
+ let mi = tmap M.! w32_from
+ let mi'@(MethodInfo method cm sig) =
+ case mi of
+ (StaticMethod x) -> x
+ (VirtualCall _ (MethodInfo methname _ msig) _) -> newMi methname msig
+ _ -> error "getMethodEntry: no TrapCause found. abort."
+ where newMi mn = MethodInfo mn (vmap M.! fromIntegral methodtable)
+ -- bernhard (TODO): doesn't work with gnu classpath at some point. didn't
+ -- figured out the problem yet :/ therefore, I have no
+ -- testcase for replaying the situation.
+ -- setTrapMap $ M.delete w32_from tmap
+ entryaddr <- case M.lookup mi' mmap of
+ Nothing -> do
+ cls <- getClassFile cm
+ printfMp "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi')
+ mm <- lookupMethodRecursive method sig [] cls
+ case mm of
+ Just (mm', clsnames, cls') -> do
+ let flags = methodAccessFlags mm'
+ if S.member ACC_NATIVE flags
+ then do
+ let scm = toString cm; smethod = toString method
+ if scm == "jmate/lang/MateRuntime" then do
+ case smethod of
+ "loadLibrary" ->
+ return . funPtrToAddr $ loadLibraryAddr
+ "demoInterfaceCall" ->
+ return . funPtrToAddr $ demoInterfaceCallAddr
+ "printMemoryUsage" ->
+ return . funPtrToAddr $ printMemoryUsageAddr
+ _ ->
+ error $ "native-call: " ++ smethod ++ " not found."
+ else do
+ -- TODO(bernhard): cleaner please... *do'h*
+ let sym1 = replace "/" "_" scm
+ parenth = replace "(" "_" $ replace ")" "_" $ toString $ encode sig
+ sym2 = replace ";" "_" $ replace "/" "_" parenth
+ symbol = sym1 ++ "__" ++ smethod ++ "__" ++ sym2
+ printfMp "native-call: symbol: %s\n" symbol
+ nf <- loadNativeFunction symbol
+ setMethodMap $ M.insert mi' nf mmap
+ return nf
+ else do
+ rawmethod <- parseMethod cls' method sig
+ entry <- compileBB rawmethod (MethodInfo method (thisClass cls') sig)
+ addMethodRef entry mi' clsnames
+ return $ fromIntegral entry
+ Nothing -> error $ show method ++ " not found. abort"
+ Just w32 -> return w32
+ return $ fromIntegral entryaddr
+
+funPtrToAddr :: Num b => FunPtr a -> b
+funPtrToAddr = fromIntegral . ptrToIntPtr . castFunPtrToPtr
+
+lookupMethodRecursive :: B.ByteString -> MethodSignature -> [B.ByteString] -> Class Direct
+ -> IO (Maybe (Method Direct, [B.ByteString], Class Direct))
+lookupMethodRecursive name sig clsnames cls =
+ 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 sig nextclsn supercl
+ where
+ res = lookupMethodSig name sig cls
+ thisname = thisClass cls
+ nextclsn :: [B.ByteString]
+ nextclsn = thisname:clsnames
+
+-- TODO(bernhard): UBERHAX. ghc patch?
+foreign import ccall safe "lookupSymbol"
+ c_lookupSymbol :: CString -> IO (Ptr a)
+
+loadNativeFunction :: String -> IO NativeWord
+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