import qualified Data.ByteString.Lazy as B
import Codec.Binary.UTF8.String hiding (encode,decode)
-import Foreign.Ptr
-import Foreign.StablePtr
+import Data.IORef
+import System.IO.Unsafe
import JVM.ClassFile
import JVM.Assembler
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)
+ | 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
-- 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
+type StringMap = M.Map B.ByteString Word32
-- map "methodtable addr" to "classname"
-- store each parsed Interface upon first loading
-type InterfacesMap = M.Map B.ByteString (Class Resolved)
+type InterfaceMap = M.Map B.ByteString (Class Resolved)
-- store offset for each <Interface><Method><Signature> pair
type InterfaceMethodMap = M.Map B.ByteString Word32
toString bstr = decodeString $ map (chr . fromIntegral) $ B.unpack bstr
--- those functions are for the "global map hax"
--- TODO(bernhard): other solution please
-foreign import ccall "get_trapmap"
- get_trapmap :: IO (Ptr ())
+data MateCtx = MateCtx {
+ ctxMethodMap :: MethodMap,
+ ctxTrapMap :: TrapMap,
+ ctxClassMap :: ClassMap,
+ ctxVirtualMap :: VirtualMap,
+ ctxStringMap :: StringMap,
+ ctxInterfaceMap :: InterfaceMap,
+ ctxInterfaceMethodMap :: InterfaceMethodMap }
-foreign import ccall "set_trapmap"
- set_trapmap :: Ptr () -> IO ()
+emptyMateCtx :: MateCtx
+emptyMateCtx = MateCtx M.empty M.empty M.empty M.empty M.empty M.empty M.empty
-foreign import ccall "get_methodmap"
- get_methodmap :: IO (Ptr ())
+mateCtx :: IORef MateCtx
+{-# NOINLINE mateCtx #-}
+mateCtx = unsafePerformIO $ newIORef emptyMateCtx
-foreign import ccall "set_methodmap"
- set_methodmap :: Ptr () -> IO ()
-foreign import ccall "get_classmap"
- get_classmap :: IO (Ptr ())
+setMethodMap :: MethodMap -> IO ()
+setMethodMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxMethodMap = m }
-foreign import ccall "set_classmap"
- set_classmap :: Ptr () -> IO ()
+getMethodMap :: IO MethodMap
+getMethodMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxMethodMap ctx
-foreign import ccall "get_virtualmap"
- get_virtualmap :: IO (Ptr ())
-foreign import ccall "set_virtualmap"
- set_virtualmap :: Ptr () -> IO ()
+setTrapMap :: TrapMap -> IO ()
+setTrapMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxTrapMap = m }
-foreign import ccall "get_stringsmap"
- get_stringsmap :: IO (Ptr ())
+getTrapMap :: IO TrapMap
+getTrapMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxTrapMap ctx
-foreign import ccall "set_stringsmap"
- set_stringsmap :: Ptr () -> IO ()
-foreign import ccall "get_interfacesmap"
- get_interfacesmap :: IO (Ptr ())
+setClassMap :: ClassMap -> IO ()
+setClassMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxClassMap = m }
-foreign import ccall "set_interfacesmap"
- set_interfacesmap :: Ptr () -> IO ()
+getClassMap :: IO ClassMap
+getClassMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxClassMap ctx
-foreign import ccall "get_interfacemethodmap"
- get_interfacemethodmap :: IO (Ptr ())
-foreign import ccall "set_interfacemethodmap"
- set_interfacemethodmap :: Ptr () -> IO ()
+setVirtualMap :: VirtualMap -> IO ()
+setVirtualMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxVirtualMap = m }
--- TODO(bernhard): make some typeclass magic 'n stuff
--- or remove that sh**
-methodmap2ptr :: MethodMap -> IO (Ptr ())
-methodmap2ptr methodmap = do
- ptr_methodmap <- newStablePtr methodmap
- return $ castStablePtrToPtr ptr_methodmap
+getVirtualMap :: IO VirtualMap
+getVirtualMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxVirtualMap ctx
-ptr2methodmap :: Ptr () -> IO MethodMap
-ptr2methodmap methodmap = deRefStablePtr $ ((castPtrToStablePtr methodmap) :: StablePtr MethodMap)
-trapmap2ptr :: TrapMap -> IO (Ptr ())
-trapmap2ptr trapmap = do
- ptr_trapmap <- newStablePtr trapmap
- return $ castStablePtrToPtr ptr_trapmap
+setStringMap :: StringMap -> IO ()
+setStringMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxStringMap = m }
-ptr2trapmap :: Ptr () -> IO TrapMap
-ptr2trapmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr trapmap)
+getStringMap :: IO StringMap
+getStringMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxStringMap ctx
-classmap2ptr :: ClassMap -> IO (Ptr ())
-classmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
-ptr2classmap :: Ptr () -> IO ClassMap
-ptr2classmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+setInterfaceMap :: InterfaceMap -> IO ()
+setInterfaceMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxInterfaceMap = m }
-virtualmap2ptr :: VirtualMap -> IO (Ptr ())
-virtualmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+getInterfaceMap :: IO InterfaceMap
+getInterfaceMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxInterfaceMap ctx
-ptr2virtualmap :: Ptr () -> IO VirtualMap
-ptr2virtualmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+setInterfaceMethodMap :: InterfaceMethodMap -> IO ()
+setInterfaceMethodMap m = do
+ ctx <- readIORef mateCtx
+ writeIORef mateCtx $ ctx { ctxInterfaceMethodMap = m }
-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)
+getInterfaceMethodMap :: IO InterfaceMethodMap
+getInterfaceMethodMap = do
+ ctx <- readIORef mateCtx
+ return $ ctxInterfaceMethodMap ctx
projects / mate.git / blobdiff