{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE ForeignFunctionInterface #-}
+{-# LANGUAGE CPP #-}
module Mate.Types where
-import Data.Word
import Data.Int
import qualified Data.Map as M
import qualified Data.ByteString.Lazy as B
import JVM.ClassFile
import JVM.Assembler
+import Mate.NativeSizes
+
type BlockID = Int
-- Represents a CFG node
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
-data TrapInfo =
- MI MethodInfo | -- for static calls
- VI Bool MethodInfo | -- for virtual calls
- II Bool MethodInfo | -- for interface calls
- SFI StaticFieldInfo deriving Show
+data TrapCause =
+ StaticMethod MethodInfo | -- for static calls
+ VirtualCall Bool MethodInfo (IO NativeWord) | -- for invoke{interface,virtual}
+ InstanceOf B.ByteString | -- class name
+ NewObject B.ByteString | -- class name
+ StaticField StaticFieldInfo
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
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 StringMap = 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 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 bstr = decodeString $ map (chr . fromIntegral) $ B.unpack bstr
-}
+-- better solutions for a global map hack are welcome! (typeclasses, TH, ...?)
data MateCtx = MateCtx {
ctxMethodMap :: MethodMap,
{-# NOINLINE mateCtx #-}
mateCtx = unsafePerformIO $ newIORef emptyMateCtx
+-- TODO(bernhard): if we ever have thread support, don't forget MVars
+#define SETMAP(name) set##name :: name -> IO (); \
+ set##name m = do ctx <- readIORef mateCtx; \
+ writeIORef mateCtx $ ctx { ctx##name = m };
-setMethodMap :: MethodMap -> IO ()
-setMethodMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxMethodMap = m }
-
-getMethodMap :: IO MethodMap
-getMethodMap = do
- ctx <- readIORef mateCtx
- return $ ctxMethodMap ctx
-
-
-setTrapMap :: TrapMap -> IO ()
-setTrapMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxTrapMap = m }
-
-getTrapMap :: IO TrapMap
-getTrapMap = do
- ctx <- readIORef mateCtx
- return $ ctxTrapMap ctx
-
-
-setClassMap :: ClassMap -> IO ()
-setClassMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxClassMap = m }
-
-getClassMap :: IO ClassMap
-getClassMap = do
- ctx <- readIORef mateCtx
- return $ ctxClassMap ctx
-
-
-setVirtualMap :: VirtualMap -> IO ()
-setVirtualMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxVirtualMap = m }
-
-getVirtualMap :: IO VirtualMap
-getVirtualMap = do
- ctx <- readIORef mateCtx
- return $ ctxVirtualMap ctx
-
-
-setStringMap :: StringMap -> IO ()
-setStringMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxStringMap = m }
+#define GETMAP(name) get##name :: IO name ; \
+ get##name = do ctx <- readIORef mateCtx; \
+ return $ ctx##name ctx;
-getStringMap :: IO StringMap
-getStringMap = do
- ctx <- readIORef mateCtx
- return $ ctxStringMap ctx
+SETMAP(MethodMap);
+GETMAP(MethodMap)
+SETMAP(TrapMap)
+GETMAP(TrapMap)
-setInterfaceMap :: InterfaceMap -> IO ()
-setInterfaceMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxInterfaceMap = m }
+SETMAP(ClassMap)
+GETMAP(ClassMap)
-getInterfaceMap :: IO InterfaceMap
-getInterfaceMap = do
- ctx <- readIORef mateCtx
- return $ ctxInterfaceMap ctx
+SETMAP(VirtualMap)
+GETMAP(VirtualMap)
+SETMAP(StringMap)
+GETMAP(StringMap)
-setInterfaceMethodMap :: InterfaceMethodMap -> IO ()
-setInterfaceMethodMap m = do
- ctx <- readIORef mateCtx
- writeIORef mateCtx $ ctx { ctxInterfaceMethodMap = m }
+SETMAP(InterfaceMap)
+GETMAP(InterfaceMap)
-getInterfaceMethodMap :: IO InterfaceMethodMap
-getInterfaceMethodMap = do
- ctx <- readIORef mateCtx
- return $ ctxInterfaceMethodMap ctx
+SETMAP(InterfaceMethodMap)
+GETMAP(InterfaceMethodMap)