type BlockID = Int
-- Represents a CFG node
data BasicBlock = BasicBlock {
- code :: [Instruction],
- successor :: BBEnd }
+ code :: [Instruction],
+ successor :: BBEnd }
-- describes (leaving) edges of a CFG node
data BBEnd = Return | FallThrough BlockID | OneTarget BlockID | TwoTarget BlockID BlockID deriving Show
type MapBB = M.Map BlockID BasicBlock
+
-- Word32 = point of method call in generated code
-- MethodInfo = relevant information about callee
-type TMap = M.Map Word32 TrapInfo
+type TrapMap = M.Map Word32 TrapInfo
-data TrapInfo = MI MethodInfo | SFI StaticFieldInfo
+data TrapInfo =
+ MI MethodInfo | -- for static calls
+ VI MethodInfo | -- for virtual calls
+ II MethodInfo | -- for interface calls
+ SFI StaticFieldInfo deriving Show
data StaticFieldInfo = StaticFieldInfo {
sfiClassName :: B.ByteString,
- sfiFieldName :: B.ByteString }
+ sfiFieldName :: B.ByteString } deriving Show
--- B.ByteString = name of method
--- Word32 = entrypoint of method
-type MMap = M.Map MethodInfo Word32
-type ClassMap = M.Map B.ByteString ClassInfo
-type FieldMap = M.Map B.ByteString Int32
-
-data ClassInfo = ClassInfo {
- clName :: B.ByteString,
- clFile :: Class Resolved,
- clStaticMap :: FieldMap,
- clFieldMap :: FieldMap,
- clInitDone :: Bool }
+-- B.ByteString = name of method
+-- Word32 = entrypoint of method
+type MethodMap = M.Map MethodInfo Word32
data MethodInfo = MethodInfo {
methName :: B.ByteString,
- cName :: B.ByteString,
- mSignature :: MethodSignature}
-
-instance Eq MethodInfo where
- (MethodInfo m_a c_a s_a) == (MethodInfo m_b c_b s_b) =
- (m_a == m_b) && (c_a == c_b) && (s_a == s_b)
+ methClassName :: B.ByteString,
+ methSignature :: MethodSignature
+ } deriving (Eq, Ord)
-- TODO(bernhard): not really efficient. also, outsource that to hs-java
+-- deriving should be enough?
instance Ord MethodSignature where
compare (MethodSignature args_a ret_a) (MethodSignature args_b ret_b)
| cmp_args /= EQ = cmp_args
- | otherwise = (show ret_a) `compare` (show ret_b)
- where
- cmp_args = (show args_a) `compare` (show args_b)
-
-instance Ord MethodInfo where
- compare (MethodInfo m_a c_a s_a) (MethodInfo m_b c_b s_b)
- | cmp_m /= EQ = cmp_m
- | cmp_c /= EQ = cmp_c
- | otherwise = s_a `compare` s_b
- where
- cmp_m = m_a `compare` m_b
- cmp_c = c_a `compare` c_b
+ | otherwise = show ret_a `compare` show ret_b
+ where cmp_args = show args_a `compare` show args_b
instance Show MethodInfo where
show (MethodInfo method c sig) =
- (toString c) ++ "." ++ (toString method) ++ "." ++ (show sig)
+ toString c ++ "." ++ toString method ++ "." ++ show sig
+
+
+
+-- store information of loaded classes
+type ClassMap = M.Map B.ByteString ClassInfo
+
+data ClassInfo = ClassInfo {
+ ciName :: B.ByteString,
+ ciFile :: Class Resolved,
+ ciStaticMap :: FieldMap,
+ ciFieldMap :: FieldMap,
+ ciMethodMap :: FieldMap,
+ ciMethodBase :: Word32,
+ ciInitDone :: Bool }
+
+
+-- store field offsets in a map
+type FieldMap = M.Map B.ByteString Int32
+
+
+-- java strings are allocated only once, therefore we
+-- use a hashmap to store the address for a String
+type StringsMap = M.Map B.ByteString Word32
+
+
+-- map "methodtable addr" to "classname"
+-- we need that to identify the actual type
+-- on the invokevirtual insn
+type VirtualMap = M.Map Word32 B.ByteString
+
+
+-- store each parsed Interface upon first loading
+type InterfacesMap = M.Map B.ByteString (Class Resolved)
+
+-- store offset for each <Interface><Method><Signature> pair
+type InterfaceMethodMap = M.Map B.ByteString Word32
toString :: B.ByteString -> String
toString bstr = decodeString $ map (chr . fromIntegral) $ B.unpack bstr
--- global map hax
+-- those functions are for the "global map hax"
+-- TODO(bernhard): other solution please
foreign import ccall "get_trapmap"
get_trapmap :: IO (Ptr ())
foreign import ccall "set_classmap"
set_classmap :: Ptr () -> IO ()
+foreign import ccall "get_virtualmap"
+ get_virtualmap :: IO (Ptr ())
+
+foreign import ccall "set_virtualmap"
+ set_virtualmap :: Ptr () -> IO ()
+
+foreign import ccall "get_stringsmap"
+ get_stringsmap :: IO (Ptr ())
+
+foreign import ccall "set_stringsmap"
+ set_stringsmap :: Ptr () -> IO ()
+
+foreign import ccall "get_interfacesmap"
+ get_interfacesmap :: IO (Ptr ())
+
+foreign import ccall "set_interfacesmap"
+ set_interfacesmap :: Ptr () -> IO ()
+
+foreign import ccall "get_interfacemethodmap"
+ get_interfacemethodmap :: IO (Ptr ())
+
+foreign import ccall "set_interfacemethodmap"
+ set_interfacemethodmap :: Ptr () -> IO ()
+
-- TODO(bernhard): make some typeclass magic 'n stuff
-mmap2ptr :: MMap -> IO (Ptr ())
-mmap2ptr mmap = do
- ptr_mmap <- newStablePtr mmap
- return $ castStablePtrToPtr ptr_mmap
+-- or remove that sh**
+methodmap2ptr :: MethodMap -> IO (Ptr ())
+methodmap2ptr methodmap = do
+ ptr_methodmap <- newStablePtr methodmap
+ return $ castStablePtrToPtr ptr_methodmap
-ptr2mmap :: Ptr () -> IO MMap
-ptr2mmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr MMap)
+ptr2methodmap :: Ptr () -> IO MethodMap
+ptr2methodmap methodmap = deRefStablePtr (castPtrToStablePtr methodmap :: StablePtr MethodMap)
-tmap2ptr :: TMap -> IO (Ptr ())
-tmap2ptr tmap = do
- ptr_tmap <- newStablePtr tmap
- return $ castStablePtrToPtr ptr_tmap
+trapmap2ptr :: TrapMap -> IO (Ptr ())
+trapmap2ptr trapmap = do
+ ptr_trapmap <- newStablePtr trapmap
+ return $ castStablePtrToPtr ptr_trapmap
-ptr2tmap :: Ptr () -> IO TMap
-ptr2tmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr tmap)
+ptr2trapmap :: Ptr () -> IO TrapMap
+ptr2trapmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr trapmap)
classmap2ptr :: ClassMap -> IO (Ptr ())
classmap2ptr cmap = do
return $ castStablePtrToPtr ptr_cmap
ptr2classmap :: Ptr () -> IO ClassMap
-ptr2classmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+ptr2classmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr cmap)
+
+virtualmap2ptr :: VirtualMap -> IO (Ptr ())
+virtualmap2ptr cmap = do
+ ptr_cmap <- newStablePtr cmap
+ return $ castStablePtrToPtr ptr_cmap
+
+ptr2virtualmap :: Ptr () -> IO VirtualMap
+ptr2virtualmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr cmap)
+
+
+stringsmap2ptr :: StringsMap -> IO (Ptr ())
+stringsmap2ptr cmap = do
+ ptr_cmap <- newStablePtr cmap
+ return $ castStablePtrToPtr ptr_cmap
+
+ptr2stringsmap :: Ptr () -> IO StringsMap
+ptr2stringsmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr cmap)
+
+
+interfacesmap2ptr :: InterfacesMap -> IO (Ptr ())
+interfacesmap2ptr cmap = do
+ ptr_cmap <- newStablePtr cmap
+ return $ castStablePtrToPtr ptr_cmap
+
+ptr2interfacesmap :: Ptr () -> IO InterfacesMap
+ptr2interfacesmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr cmap)
+
+
+interfacemethodmap2ptr :: InterfaceMethodMap -> IO (Ptr ())
+interfacemethodmap2ptr cmap = do
+ ptr_cmap <- newStablePtr cmap
+ return $ castStablePtrToPtr ptr_cmap
+
+ptr2interfacemethodmap :: Ptr () -> IO InterfaceMethodMap
+ptr2interfacemethodmap vmap = deRefStablePtr (castPtrToStablePtr vmap :: StablePtr cmap)
projects / mate.git / blobdiff