import JVM.ClassFile
import Harpy
+#ifdef DBG_JIT
import Harpy.X86Disassembler
+#endif
#ifdef DEBUG
import Text.Printf
import Mate.BasicBlocks
import Mate.Types
-import Mate.X86CodeGen
+import Mate.NativeMachine
import Mate.ClassPool
import Mate.Debug
+import Mate.Utilities
foreign import ccall "dynamic"
code_void :: FunPtr (IO ()) -> IO ()
-getMethodEntry :: CUInt -> CUInt -> IO CUInt
+getMethodEntry :: CPtrdiff -> CPtrdiff -> IO CPtrdiff
getMethodEntry signal_from methodtable = do
mmap <- getMethodMap
tmap <- getTrapMap
let w32_from = fromIntegral signal_from
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
+ case mi of
+ (StaticMethod x) -> x
+ (VirtualCall _ (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
- case hmap of
- Just hmap' -> do
- entry <- compileBB hmap' (MethodInfo method (thisClass cls') sig)
- addMethodRef entry mi' clsnames
- return $ fromIntegral entry
- Nothing -> error $ show method ++ " not found. abort"
+ rawmethod <- parseMethod cls' method sig
+ entry <- compileBB rawmethod (MethodInfo method (thisClass cls') sig)
+ addMethodRef entry mi' clsnames
+ return $ fromIntegral entry
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 Direct
+lookupMethodRecursive :: B.ByteString -> MethodSignature -> [B.ByteString] -> Class Direct
-> IO (Maybe (Method Direct, [B.ByteString], Class Direct))
-lookupMethodRecursive name clsnames cls =
+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
- thisname = thisClass cls
- nextclsn :: [B.ByteString]
- nextclsn = thisname:clsnames
+ res = lookupMethodSig name sig cls
+ thisname = thisClass cls
+ nextclsn :: [B.ByteString]
+ nextclsn = thisname:clsnames
-- TODO(bernhard): UBERHAX. ghc patch?
foreign import ccall safe "lookupSymbol"
c_lookupSymbol :: CString -> IO (Ptr a)
-loadNativeFunction :: String -> IO CUInt
+loadNativeFunction :: String -> IO NativeWord
loadNativeFunction sym = do
- _ <- loadRawObject "ffi/native.o"
- -- TODO(bernhard): WTF
- resolveObjs (return ())
- ptr <- withCString sym c_lookupSymbol
- if ptr == nullPtr
- then error $ "dyn. loading of \"" ++ sym ++ "\" failed."
- else return $ fromIntegral $ ptrToIntPtr ptr
+ _ <- loadRawObject "ffi/native.o"
+ -- TODO(bernhard): WTF
+ resolveObjs (return ())
+ ptr <- withCString sym c_lookupSymbol
+ if ptr == nullPtr
+ then error $ "dyn. loading of \"" ++ sym ++ "\" failed."
+ else return $ fromIntegral $ ptrToIntPtr ptr
-- t_01 :: IO ()
-- t_01 = do
-- (entry, _) <- testCase "./tests/Fib.class" "fib"
--- let int_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
+-- let int_entry = ((fromIntegral $ ptrToIntPtr entry) :: NativeWord)
-- let mmap = M.insert ("fib" :: String) int_entry M.empty
-- mapM_ (\(x,y) -> printf "%s at 0x%08x\n" x y) $ M.toList mmap
-- mmap2ptr mmap >>= set_mmap
-- demo_mmap -- access Data.Map from C
-addMethodRef :: Word32 -> MethodInfo -> [B.ByteString] -> IO ()
+addMethodRef :: NativeWord -> 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 NativeWord
+compileBB rawmethod methodinfo = do
tmap <- getTrapMap
cls <- getClassFile (methClassName methodinfo)
- let ebb = emitFromBB (methName methodinfo) cls hmap
- (_, Right right) <- runCodeGen ebb () ()
+ let ebb = emitFromBB cls rawmethod
+ let cgconfig = defaultCodeGenConfig { codeBufferSize = fromIntegral $ (rawCodeLength rawmethod) * 32 }
+ (_, Right right) <- runCodeGenWithConfig ebb () () cgconfig
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)
+#ifdef DBG_JIT
mapM_ (printfJit "%s\n" . showAtt) (snd right)
+#endif
printfJit "\n\n"
-- UNCOMMENT NEXT LINES FOR GDB FUN
- --if (toString $ methName methodinfo) == "thejavamethodIwant2debug"
- -- then getLine
- -- else return "foo"
- -- (1) start it with `gdb ./mate' and then `run <classfile>'
- -- (2) on getLine, press ctrl+c
+ -- 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
-executeFuncPtr :: Word32 -> IO ()
+executeFuncPtr :: NativeWord -> IO ()
executeFuncPtr entry =
code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))
projects / mate.git / blobdiff