{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE CPP #-}
-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.Word
import Data.Int
+import Data.Functor
import qualified Data.Map as M
import qualified Data.ByteString.Lazy as B
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 }
+ 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 TrapCause
+type TrapMap = M.Map NativeWord TrapCause
+
+type TrapPatcher = CPtrdiff -> CodeGen () () CPtrdiff
+type TrapPatcherEax = CPtrdiff -> CPtrdiff -> CodeGen () () CPtrdiff
-data TrapCause =
- StaticMethod MethodInfo | -- for static calls
- VirtualMethod Bool MethodInfo | -- for virtual calls
- InterfaceMethod Bool MethodInfo | -- for interface calls
- StaticField 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,
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 };
+setMap :: (MateCtx -> MateCtx) -> IO ()
+setMap recordupdate = recordupdate <$> readIORef mateCtx >>= writeIORef mateCtx
+
+setMethodMap :: MethodMap -> IO ()
+setMethodMap m = setMap (\x -> x {ctxMethodMap = m})
+
+getMethodMap :: IO MethodMap
+getMethodMap = ctxMethodMap <$> readIORef mateCtx
+
+setTrapMap :: TrapMap -> IO ()
+setTrapMap m = setMap (\x -> x {ctxTrapMap = m})
+
+getTrapMap :: IO TrapMap
+getTrapMap = ctxTrapMap <$> readIORef mateCtx
+
+setClassMap :: ClassMap -> IO ()
+setClassMap m = setMap (\x -> x {ctxClassMap = m})
+
+getClassMap :: IO ClassMap
+getClassMap = ctxClassMap <$> readIORef mateCtx
-#define GETMAP(name) get##name :: IO name ; \
- get##name = do ctx <- readIORef mateCtx; \
- return $ ctx##name ctx;
+setVirtualMap :: VirtualMap -> IO ()
+setVirtualMap m = setMap (\x -> x {ctxVirtualMap = m})
-SETMAP(MethodMap);
-GETMAP(MethodMap)
+getVirtualMap :: IO VirtualMap
+getVirtualMap = ctxVirtualMap <$> readIORef mateCtx
-SETMAP(TrapMap)
-GETMAP(TrapMap)
+setStringMap :: StringMap -> IO ()
+setStringMap m = setMap (\x -> x {ctxStringMap = m})
-SETMAP(ClassMap)
-GETMAP(ClassMap)
+getStringMap :: IO StringMap
+getStringMap = ctxStringMap <$> readIORef mateCtx
-SETMAP(VirtualMap)
-GETMAP(VirtualMap)
+setInterfaceMap :: InterfaceMap -> IO ()
+setInterfaceMap m = setMap (\x -> x {ctxInterfaceMap = m})
-SETMAP(StringMap)
-GETMAP(StringMap)
+getInterfaceMap :: IO InterfaceMap
+getInterfaceMap = ctxInterfaceMap <$> readIORef mateCtx
-SETMAP(InterfaceMap)
-GETMAP(InterfaceMap)
+setInterfaceMethodMap :: InterfaceMethodMap -> IO ()
+setInterfaceMethodMap m = setMap (\x -> x {ctxInterfaceMethodMap = m})
-SETMAP(InterfaceMethodMap)
-GETMAP(InterfaceMethodMap)
+getInterfaceMethodMap :: IO InterfaceMethodMap
+getInterfaceMethodMap = ctxInterfaceMethodMap <$> readIORef mateCtx
projects / mate.git / blobdiff