- Just w32 -> return $ (+4) w32
- Nothing -> error $ "getInterfaceMethodOffset: no offset set"
-
-
-loadClass :: B.ByteString -> IO ClassInfo
-loadClass path = do
- let rpath = toString $ path `B.append` ".class"
- cfile <- parseClassFile rpath
-#ifdef DBG_CLASS
- dumpClass cfile
-#endif
- -- load all interfaces, which are implemented by this class
- sequence_ [ loadInterface i | i <- interfaces cfile ]
- superclass <- case (path /= "java/lang/Object") of
- True -> do
- sc <- loadClass $ superClass cfile
- return $ Just $ sc
- False -> return $ Nothing
-
- (staticmap, fieldmap) <- calculateFields cfile superclass
- (methodmap, mbase) <- calculateMethodMap cfile superclass
- immap <- get_interfacemethodmap >>= ptr2interfacemethodmap
-
- -- allocate interface offset table for this class
- -- TODO(bernhard): we have some duplicates in immap (i.e. some
- -- entries have the same offset), so we could
- -- save some memory here.
- iftable <- mallocClassData ((4*) $ M.size immap)
- let w32_iftable = fromIntegral $ ptrToIntPtr iftable :: Word32
- -- store interface-table at offset 0 in method-table
- pokeElemOff (intPtrToPtr $ fromIntegral mbase) 0 w32_iftable
- printf_cp "staticmap: %s @ %s\n" (show staticmap) (toString path)
- printf_cp "fieldmap: %s @ %s\n" (show fieldmap) (toString path)
- printf_cp "methodmap: %s @ %s\n" (show methodmap) (toString path)
- printf_cp "mbase: 0x%08x\n" mbase
- printf_cp "interfacemethod: %s @ %s\n" (show immap) (toString path)
- printf_cp "iftable: 0x%08x\n" w32_iftable
- virtual_map <- get_virtualmap >>= ptr2virtualmap
- let virtual_map' = M.insert mbase path virtual_map
- virtualmap2ptr virtual_map' >>= set_virtualmap
-
- class_map <- get_classmap >>= ptr2classmap
- let new_ci = ClassInfo path cfile staticmap fieldmap methodmap mbase False
- let class_map' = M.insert path new_ci class_map
- classmap2ptr class_map' >>= set_classmap
- return new_ci
+ Just w32 -> return $ w32 + 4
+ Nothing -> error "getInterfaceMethodOffset: no offset set"
+
+
+readClass :: B.ByteString -> IO ClassInfo
+readClass path = do
+ class_map' <- getClassMap
+ case M.lookup path class_map' of
+ Just cm -> return cm
+ Nothing -> do
+ cfile <- readClassFile $ toString path
+ -- TODO(bernhard): hDumpClass
+ -- dumpClass cfile
+ -- load all interfaces, which are implemented by this class
+ sequence_ [ loadInterface i | i <- interfaces cfile ]
+ superclass <- if path /= "java/lang/Object"
+ then do
+ sc <- readClass $ superClass cfile
+ return $ Just sc
+ else return Nothing
+
+ (staticmap, fieldmap) <- calculateFields cfile superclass
+ (methodmap, mbase) <- calculateMethodMap cfile superclass
+ immap <- getInterfaceMethodMap
+
+ -- allocate interface offset table for this class
+ -- TODO(bernhard): we have some duplicates in immap (i.e. some
+ -- entries have the same offset), so we could
+ -- save some memory here.
+ iftable <- mallocClassData ((ptrSize*) $ M.size immap)
+ let wn_iftable = fromIntegral $ ptrToIntPtr iftable :: NativeWord
+ -- store interface-table at offset 0 in method-table
+ pokeElemOff (intPtrToPtr $ fromIntegral mbase) 0 wn_iftable
+ let hexDumpMap :: Integral v => String -> M.Map B.ByteString v -> IO ()
+ hexDumpMap header mmap = do
+ let printValue :: B.ByteString -> IO ()
+ printValue key = printfCp $ printf "\t%-70s: 0x%08x\n" (toString key) val
+ where val = fromIntegral (mmap M.! key) :: NativeWord
+ printfCp $ printf "%s\n" header
+ mapM_ printValue (M.keys mmap)
+ when mateDEBUG $ do
+ let strpath = toString path
+ hexDumpMap ("staticmap @ " ++ strpath) staticmap
+ hexDumpMap ("fieldmap @ " ++ strpath) fieldmap
+ hexDumpMap ("methodmap @ " ++ strpath) methodmap
+ hexDumpMap ("interfacemap @ " ++ strpath) immap
+ printfCp $ printf "mbase: 0x%08x\n" mbase
+ printfCp $ printf "iftable: 0x%08x\n" wn_iftable
+ virtual_map <- getVirtualMap
+ setVirtualMap $ M.insert mbase path virtual_map
+
+ class_map <- getClassMap
+ let new_ci = ClassInfo path cfile staticmap fieldmap methodmap mbase False
+ setClassMap $ M.insert path new_ci class_map
+
+ -- add Class to Hierarchy
+ super_mtable <- case superclass of
+ Nothing -> return 0
+ Just x -> getMethodTable $ ciName x
+ addClassEntry mbase super_mtable (interfaces cfile)
+
+ return new_ci