{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE ForeignFunctionInterface #-}
-module Mate.Types where
+module Mate.Types
+ ( BlockID
+ , BasicBlock(..)
+ , BBEnd(..)
+ , MapBB
+ , RawMethod(..)
+ , TrapMap, MethodMap, ClassMap, FieldMap
+ , StringMap, VirtualMap, InterfaceMap
+ , InterfaceMethodMap
+ , TrapCause(..)
+ , StaticFieldInfo(..)
+ , MethodInfo(..)
+ , ClassInfo(..)
+ , setTrapMap, getTrapMap
+ , setMethodMap, getMethodMap
+ , setClassMap, getClassMap
+ , setStringMap, getStringMap
+ , setVirtualMap, getVirtualMap
+ , setInterfaceMap, getInterfaceMap
+ , setInterfaceMethodMap, getInterfaceMethodMap
+ ) where
-import Data.Char
-import Data.Word
import Data.Int
+import Data.Functor
import qualified Data.Map as M
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 Harpy
+import Foreign.C.Types
import JVM.ClassFile
import JVM.Assembler
+import Mate.NativeSizes
+
type BlockID = Int
-- Represents a CFG node
successor :: BBEnd }
-- describes (leaving) edges of a CFG node
-data BBEnd = Return | FallThrough BlockID | OneTarget BlockID | TwoTarget BlockID BlockID deriving Show
+data BBEnd
+ = Return
+ | FallThrough BlockID
+ | OneTarget BlockID
+ | TwoTarget BlockID BlockID
+ deriving Show
type MapBB = M.Map BlockID BasicBlock
+data RawMethod = RawMethod {
+ rawMapBB :: MapBB,
+ rawLocals :: Int,
+ rawStackSize :: Int,
+ rawArgCount :: NativeWord,
+ rawCodeLength :: NativeWord }
--- Word32 = point of method call in generated code
+-- NativeWord = point of method call in generated code
-- MethodInfo = relevant information about callee
-type TrapMap = M.Map Word32 TrapInfo
+type TrapMap = M.Map NativeWord TrapCause
+
+type TrapPatcher = CPtrdiff -> CodeGen () () CPtrdiff
+type TrapPatcherEax = CPtrdiff -> CPtrdiff -> CodeGen () () CPtrdiff
-data TrapInfo =
- MI MethodInfo | -- for static calls
- VI MethodInfo | -- for virtual calls
- II MethodInfo | -- for interface calls
- SFI StaticFieldInfo deriving Show
+data TrapCause
+ = StaticMethod TrapPatcher -- for static calls
+ | VirtualCall Bool MethodInfo (IO NativeWord) -- for invoke{interface,virtual}
+ | InstanceOf TrapPatcherEax
+ | NewObject TrapPatcher
+ | StaticField StaticFieldInfo
+ | ObjectField TrapPatcher
data StaticFieldInfo = StaticFieldInfo {
sfiClassName :: B.ByteString,
-- B.ByteString = name of method
--- Word32 = entrypoint of method
-type MethodMap = M.Map MethodInfo Word32
+-- NativeWord = entrypoint of method
+type MethodMap = M.Map MethodInfo NativeWord
data MethodInfo = MethodInfo {
methName :: 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 Show MethodInfo where
show (MethodInfo method c sig) =
- (toString c) ++ "." ++ (toString method) ++ "." ++ (show sig)
+ toString c ++ "." ++ toString method ++ "." ++ show sig
data ClassInfo = ClassInfo {
ciName :: B.ByteString,
- ciFile :: Class Resolved,
+ ciFile :: Class Direct,
ciStaticMap :: FieldMap,
ciFieldMap :: FieldMap,
ciMethodMap :: FieldMap,
- ciMethodBase :: Word32,
+ ciMethodBase :: NativeWord,
ciInitDone :: Bool }
-- 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 NativeWord
-- map "methodtable addr" to "classname"
-- we need that to identify the actual type
-- on the invokevirtual insn
-type VirtualMap = M.Map Word32 B.ByteString
+type VirtualMap = M.Map NativeWord B.ByteString
-- store each parsed Interface upon first loading
-type InterfacesMap = M.Map B.ByteString (Class Resolved)
+type InterfaceMap = M.Map B.ByteString (Class Direct)
-- store offset for each <Interface><Method><Signature> pair
-type InterfaceMethodMap = M.Map B.ByteString Word32
+type InterfaceMethodMap = M.Map B.ByteString NativeWord
+{-
toString :: B.ByteString -> String
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 ())
-
-foreign import ccall "set_trapmap"
- set_trapmap :: Ptr () -> IO ()
-
-foreign import ccall "get_methodmap"
- get_methodmap :: IO (Ptr ())
-
-foreign import ccall "set_methodmap"
- set_methodmap :: Ptr () -> IO ()
-
-foreign import ccall "get_classmap"
- get_classmap :: 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 ()
+data MateCtx = MateCtx {
+ ctxMethodMap :: MethodMap,
+ ctxTrapMap :: TrapMap,
+ ctxClassMap :: ClassMap,
+ ctxVirtualMap :: VirtualMap,
+ ctxStringMap :: StringMap,
+ ctxInterfaceMap :: InterfaceMap,
+ ctxInterfaceMethodMap :: InterfaceMethodMap }
--- 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
+emptyMateCtx :: MateCtx
+emptyMateCtx = MateCtx M.empty M.empty M.empty M.empty M.empty M.empty M.empty
-ptr2methodmap :: Ptr () -> IO MethodMap
-ptr2methodmap methodmap = deRefStablePtr $ ((castPtrToStablePtr methodmap) :: StablePtr MethodMap)
+mateCtx :: IORef MateCtx
+{-# NOINLINE mateCtx #-}
+mateCtx = unsafePerformIO $ newIORef emptyMateCtx
-trapmap2ptr :: TrapMap -> IO (Ptr ())
-trapmap2ptr trapmap = do
- ptr_trapmap <- newStablePtr trapmap
- return $ castStablePtrToPtr ptr_trapmap
+setMap :: (MateCtx -> MateCtx) -> IO ()
+setMap recordupdate = recordupdate <$> readIORef mateCtx >>= writeIORef mateCtx
-ptr2trapmap :: Ptr () -> IO TrapMap
-ptr2trapmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr trapmap)
+setMethodMap :: MethodMap -> IO ()
+setMethodMap m = setMap (\x -> x {ctxMethodMap = m})
-classmap2ptr :: ClassMap -> IO (Ptr ())
-classmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+getMethodMap :: IO MethodMap
+getMethodMap = ctxMethodMap <$> readIORef mateCtx
-ptr2classmap :: Ptr () -> IO ClassMap
-ptr2classmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+setTrapMap :: TrapMap -> IO ()
+setTrapMap m = setMap (\x -> x {ctxTrapMap = m})
-virtualmap2ptr :: VirtualMap -> IO (Ptr ())
-virtualmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+getTrapMap :: IO TrapMap
+getTrapMap = ctxTrapMap <$> readIORef mateCtx
-ptr2virtualmap :: Ptr () -> IO VirtualMap
-ptr2virtualmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+setClassMap :: ClassMap -> IO ()
+setClassMap m = setMap (\x -> x {ctxClassMap = m})
+getClassMap :: IO ClassMap
+getClassMap = ctxClassMap <$> readIORef mateCtx
-stringsmap2ptr :: StringsMap -> IO (Ptr ())
-stringsmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+setVirtualMap :: VirtualMap -> IO ()
+setVirtualMap m = setMap (\x -> x {ctxVirtualMap = m})
-ptr2stringsmap :: Ptr () -> IO StringsMap
-ptr2stringsmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+getVirtualMap :: IO VirtualMap
+getVirtualMap = ctxVirtualMap <$> readIORef mateCtx
+setStringMap :: StringMap -> IO ()
+setStringMap m = setMap (\x -> x {ctxStringMap = m})
-interfacesmap2ptr :: InterfacesMap -> IO (Ptr ())
-interfacesmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+getStringMap :: IO StringMap
+getStringMap = ctxStringMap <$> readIORef mateCtx
-ptr2interfacesmap :: Ptr () -> IO InterfacesMap
-ptr2interfacesmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+setInterfaceMap :: InterfaceMap -> IO ()
+setInterfaceMap m = setMap (\x -> x {ctxInterfaceMap = m})
+getInterfaceMap :: IO InterfaceMap
+getInterfaceMap = ctxInterfaceMap <$> readIORef mateCtx
-interfacemethodmap2ptr :: InterfaceMethodMap -> IO (Ptr ())
-interfacemethodmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
+setInterfaceMethodMap :: InterfaceMethodMap -> IO ()
+setInterfaceMethodMap m = setMap (\x -> x {ctxInterfaceMethodMap = m})
-ptr2interfacemethodmap :: Ptr () -> IO InterfaceMethodMap
-ptr2interfacemethodmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+getInterfaceMethodMap :: IO InterfaceMethodMap
+getInterfaceMethodMap = ctxInterfaceMethodMap <$> readIORef mateCtx
projects / mate.git / blobdiff