import Mate.BasicBlocks
import Mate.Types
import Mate.X86CodeGen
-import Mate.Utilities
import Mate.ClassPool
import Mate.Debug
+import Mate.Utilities
foreign import ccall "dynamic"
code_void :: FunPtr (IO ()) -> IO ()
-foreign export ccall getTrapType :: CUInt -> CUInt -> IO CUInt
-getTrapType :: CUInt -> CUInt -> IO CUInt
-getTrapType signal_from from2 = do
- tmap <- getTrapMap
- case M.lookup (fromIntegral signal_from) tmap of
- (Just (MI _)) -> return 0
- (Just (VI _)) -> return 1
- (Just (SFI _)) -> return 2
- (Just (II _)) -> return 4
- -- maybe we've a hit on the second `from' value
- Nothing -> case M.lookup (fromIntegral from2) tmap of
- (Just (VI _)) -> return 1
- (Just (II _)) -> return 4
- (Just _) -> error "getTrapType: abort #1 :-("
- Nothing -> error "getTrapType: abort #2 :-("
-
-foreign export ccall getMethodEntry :: CUInt -> CUInt -> IO CUInt
+
getMethodEntry :: CUInt -> CUInt -> IO CUInt
getMethodEntry signal_from methodtable = do
mmap <- getMethodMap
let mi = tmap M.! w32_from
let mi'@(MethodInfo method cm sig) =
case mi of
- (MI x) -> x
- (VI (MethodInfo methname _ msig)) ->
- MethodInfo methname (vmap M.! fromIntegral methodtable) msig
- (II (MethodInfo methname _ msig)) ->
- MethodInfo methname (vmap M.! fromIntegral methodtable) msig
- _ -> error "getMethodEntry: no trapInfo. abort."
- case M.lookup mi' mmap of
+ (StaticMethod x) -> x
+ (VirtualMethod _ (MethodInfo methname _ msig)) -> newMi methname msig
+ (InterfaceMethod _ (MethodInfo methname _ msig)) -> newMi methname msig
+ _ -> error "getMethodEntry: no TrapCause found. abort."
+ where newMi mn = MethodInfo mn (vmap M.! fromIntegral methodtable)
+ -- bernhard (TODO): doesn't work with gnu classpath at some point. didn't
+ -- figured out the problem yet :/ therefore, I have no
+ -- testcase for replaying the situation.
+ -- setTrapMap $ M.delete w32_from tmap
+ entryaddr <- case M.lookup mi' mmap of
Nothing -> do
cls <- getClassFile cm
printfMp "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi')
- mm <- lookupMethodRecursive method [] cls
+ mm <- lookupMethodRecursive method sig [] cls
case mm of
Just (mm', clsnames, cls') -> do
let flags = methodAccessFlags mm'
symbol = sym1 ++ "__" ++ toString method ++ "__" ++ sym2
printfMp "native-call: symbol: %s\n" symbol
nf <- loadNativeFunction symbol
- let w32_nf = fromIntegral nf
- setMethodMap $ M.insert mi' w32_nf mmap
+ setMethodMap $ M.insert mi' nf mmap
return nf
else do
- hmap <- parseMethod cls' method
+ hmap <- parseMethod cls' method sig
case hmap of
Just hmap' -> do
entry <- compileBB hmap' (MethodInfo method (thisClass cls') sig)
return $ fromIntegral entry
Nothing -> error $ show method ++ " not found. abort"
Nothing -> error $ show method ++ " not found. abort"
- Just w32 -> return (fromIntegral w32)
+ Just w32 -> return w32
+ return $ fromIntegral entryaddr
-lookupMethodRecursive :: B.ByteString -> [B.ByteString] -> Class Resolved
- -> IO (Maybe (Method Resolved, [B.ByteString], Class Resolved))
-lookupMethodRecursive name clsnames cls =
+lookupMethodRecursive :: B.ByteString -> MethodSignature -> [B.ByteString] -> Class Direct
+ -> IO (Maybe (Method Direct, [B.ByteString], Class Direct))
+lookupMethodRecursive name sig clsnames cls =
case res of
Just x -> return $ Just (x, nextclsn, cls)
Nothing -> if thisname == "java/lang/Object"
then return Nothing
else do
supercl <- getClassFile (superClass cls)
- lookupMethodRecursive name nextclsn supercl
+ lookupMethodRecursive name sig nextclsn supercl
where
- res = lookupMethod name cls
+ res = lookupMethodSig name sig cls
thisname = thisClass cls
nextclsn :: [B.ByteString]
nextclsn = thisname:clsnames
foreign import ccall safe "lookupSymbol"
c_lookupSymbol :: CString -> IO (Ptr a)
-loadNativeFunction :: String -> IO CUInt
+loadNativeFunction :: String -> IO Word32
loadNativeFunction sym = do
_ <- loadRawObject "ffi/native.o"
-- TODO(bernhard): WTF
addMethodRef :: Word32 -> MethodInfo -> [B.ByteString] -> IO ()
addMethodRef entry (MethodInfo mmname _ msig) clsnames = do
mmap <- getMethodMap
- let newmap = M.fromList $ map (\x -> (MethodInfo mmname x msig, entry)) clsnames
+ let newmap = foldr (\i -> M.insert (MethodInfo mmname i msig) entry) M.empty clsnames
setMethodMap $ mmap `M.union` newmap
-compileBB :: MapBB -> MethodInfo -> IO Word32
-compileBB hmap methodinfo = do
+compileBB :: RawMethod -> MethodInfo -> IO Word32
+compileBB rawmethod methodinfo = do
tmap <- getTrapMap
cls <- getClassFile (methClassName methodinfo)
- let ebb = emitFromBB (methName methodinfo) cls hmap
+ let ebb = emitFromBB (methName methodinfo) (methSignature methodinfo) cls rawmethod
(_, Right right) <- runCodeGen ebb () ()
let ((entry, _, _, new_tmap), _) = right
setTrapMap $ tmap `M.union` new_tmap -- prefers elements in tmap
- printfJit "generated code of \"%s\":\n" (toString $ methName methodinfo)
+ printfJit "generated code of \"%s\" from \"%s\":\n" (toString $ methName methodinfo) (toString $ methClassName methodinfo)
+ printfJit "\tstacksize: 0x%04x, locals: 0x%04x\n" (rawStackSize rawmethod) (rawLocals rawmethod)
mapM_ (printfJit "%s\n" . showAtt) (snd right)
printfJit "\n\n"
- -- UNCOMMENT NEXT LINE FOR GDB FUN
- -- _ <- getLine
- -- (1) start it with `gdb ./mate' and then `run <classfile>'
- -- (2) on getLine, press ctrl+c
+ -- UNCOMMENT NEXT LINES FOR GDB FUN
+ -- if (toString $ methName methodinfo) == "thejavamethodIwant2debug"
+ -- then putStrLn "press CTRL+C now for setting a breakpoint. then `c' and ENTER for continue" >> getLine
+ -- else return "foo"
+ -- (1) build a debug build (see HACKING) and execute `make tests/Fib.gdb'
+ -- for example, where the suffix is important
+ -- (2) on getLine, press CTRL+C
-- (3) `br *0x<addr>'; obtain the address from the disasm above
-- (4) `cont' and press enter
return $ fromIntegral $ ptrToIntPtr entry