module Mate.MethodPool where
import Data.Binary
+import Data.String.Utils
import qualified Data.Map as M
+import qualified Data.Bimap as BI
+import qualified Data.Set as S
import qualified Data.ByteString.Lazy as B
-
-import Text.Printf
+import System.Plugins
+import Control.Monad
import Foreign.Ptr
import Foreign.C.Types
-import Foreign.StablePtr
+import Foreign.C.String
import JVM.ClassFile
import Harpy.X86Disassembler
import Mate.BasicBlocks
-import Mate.X86CodeGen
-
-
-foreign import ccall "get_mmap"
- get_mmap :: IO (Ptr ())
+import Mate.Types
+import Mate.NativeMachine
+import Mate.ClassPool
+import Mate.Debug
+import Mate.Utilities
+import Mate.Rts()
-foreign import ccall "set_mmap"
- set_mmap :: Ptr () -> IO ()
+foreign import ccall "dynamic"
+ code_void :: FunPtr (IO ()) -> IO ()
+foreign import ccall "&printMemoryUsage"
+ printMemoryUsageAddr :: FunPtr (IO ())
+
+foreign import ccall "&loadLibrary"
+ loadLibraryAddr :: FunPtr (IO ())
--- B.ByteString = name of method
--- Word32 = entrypoint of method
-type MMap = M.Map B.ByteString Word32
+foreign import ccall "&printGCStats"
+ printGCStatsAddr :: FunPtr (IO ())
-foreign export ccall getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
-getMethodEntry :: CUInt -> Ptr () -> Ptr () -> IO CUInt
-getMethodEntry signal_from ptr_mmap ptr_cmap = do
- mmap <- ptr2mmap ptr_mmap
- cmap <- ptr2cmap ptr_cmap
+getMethodEntry :: MethodInfo -> IO (CPtrdiff, JpcNpcMap)
+getMethodEntry mi@(MethodInfo method cm sig) = do
+ mmap <- getMethodMap
- let w32_from = fromIntegral signal_from
- let (method, cls, cpidx) = cmap M.! w32_from
- case M.lookup method mmap of
+ (entryaddr, jnmap) <- case M.lookup mi mmap of
Nothing -> do
- printf "getMethodEntry(from 0x%08x): no method found. compile it\n" w32_from
- -- TODO(bernhard): maybe we have to load the class first?
- -- (Or better in X86CodeGen?)
- let (CMethod _ nt) = (constsPool cls) M.! cpidx
- hmap <- parseMethod cls (ntName nt)
- case hmap of
- Just hmap' -> do
- entry <- compileBB hmap' cls method
- return $ fromIntegral $ ((fromIntegral $ ptrToIntPtr entry) :: Word32)
- Nothing -> error $ (show method) ++ " not found. abort"
- Just w32 -> return (fromIntegral w32)
+ cls <- getClassFile cm
+ printfMp $ printf "getMethodEntry: no method \"%s\" found. compile it\n" (show mi)
+ mm <- lookupMethodRecursive method sig [] cls
+ case mm of
+ Just (mm', clsnames, cls') -> do
+ let flags = methodAccessFlags mm'
+ if S.member ACC_NATIVE flags
+ then do
+ let scm = toString cm; smethod = toString method
+ if scm == "jmate/lang/MateRuntime" then
+ case smethod of
+ "loadLibrary" ->
+ return (funPtrToAddr loadLibraryAddr, BI.empty)
+ "printGCStats" ->
+ return (funPtrToAddr printGCStatsAddr, BI.empty)
+ "printMemoryUsage" ->
+ return (funPtrToAddr printMemoryUsageAddr, BI.empty)
+ _ ->
+ error $ "native-call: " ++ smethod ++ " not found."
+ else do
+ -- TODO(bernhard): cleaner please... *do'h*
+ let sym1 = replace "/" "_" scm
+ parenth = replace "(" "_" $ replace ")" "_" $ toString $ encode sig
+ sym2 = replace ";" "_" $ replace "/" "_" parenth
+ symbol = sym1 ++ "__" ++ smethod ++ "__" ++ sym2
+ printfMp $ printf "native-call: symbol: %s\n" symbol
+ nf <- loadNativeFunction symbol
+ let nf' = (nf, BI.empty)
+ setMethodMap $ M.insert mi nf' mmap
+ return nf'
+ else do
+ rawmethod <- parseMethod cls' method sig
+ entry <- compileBB mi rawmethod (MethodInfo method (thisClass cls') sig)
+ addMethodRef entry mi clsnames
+ return entry
+ Nothing -> error $ show method ++ " not found. abort"
+ Just w32 -> return w32
+ return (fromIntegral entryaddr, jnmap)
+
+funPtrToAddr :: Num b => FunPtr a -> b
+funPtrToAddr = fromIntegral . ptrToIntPtr . castFunPtrToPtr
+
+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 sig nextclsn supercl
+ where
+ 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 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
-- 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
-initMethodPool :: IO ()
-initMethodPool = do
- mmap2ptr M.empty >>= set_mmap
- cmap2ptr M.empty >>= set_cmap
-
-compileBB :: MapBB -> Class Resolved -> B.ByteString -> IO (Ptr Word8)
-compileBB hmap cls name = do
- mmap <- get_mmap >>= ptr2mmap
- cmap <- get_cmap >>= ptr2cmap
-
- let ebb = emitFromBB cls hmap
- (_, Right ((entry, _, _, new_cmap), disasm)) <- runCodeGen ebb () ()
- let w32_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
-
- let mmap' = M.insert name w32_entry mmap
- let cmap' = M.union cmap new_cmap -- prefers elements in cmap
- mmap2ptr mmap' >>= set_mmap
- cmap2ptr cmap' >>= set_cmap
-
- printf "disasm:\n"
- mapM_ (putStrLn . showAtt) disasm
- -- UNCOMMENT NEXT LINE FOR GDB FUN
- -- _ <- getLine
- -- (1) start it with `gdb ./mate' and then `run <classfile>'
- -- (2) on getLine, press ctrl+c
+addMethodRef :: (NativeWord, JpcNpcMap) -> MethodInfo -> [B.ByteString] -> IO ()
+addMethodRef entry (MethodInfo mmname _ msig) clsnames = do
+ mmap <- getMethodMap
+ let newmap = foldr (\i -> M.insert (MethodInfo mmname i msig) entry) M.empty clsnames
+ setMethodMap $ mmap `M.union` newmap
+
+
+compileBB :: MethodInfo -> RawMethod -> MethodInfo -> IO (NativeWord, JpcNpcMap)
+compileBB mi rawmethod methodinfo = do
+ tmap <- getTrapMap
+
+ cls <- getClassFile (methClassName methodinfo)
+ printfJit $ printf "emit code of \"%s\" from \"%s\":\n" (toString $ methName methodinfo) (toString $ methClassName methodinfo)
+ let ebb = emitFromBB cls mi rawmethod
+ let cgconfig = defaultCodeGenConfig { codeBufferSize = fromIntegral $ rawCodeLength rawmethod * 32 }
+ (jnmap, Right right) <- runCodeGenWithConfig ebb () BI.empty cgconfig
+
+ let ((entry, _, new_tmap), _) = right
+ setTrapMap $ tmap `M.union` new_tmap -- prefers elements in tmap
+
+ printfJit $ printf "generated code of \"%s\" from \"%s\":\n" (toString $ methName methodinfo) (toString $ methClassName methodinfo)
+ printfJit $ printf "\tstacksize: 0x%04x, locals: 0x%04x\n" (rawStackSize rawmethod) (rawLocals rawmethod)
+ when mateDEBUG $ mapM_ (printfJit . printf "%s\n" . showIntel) (snd right)
+ printfJit $ printf "\n\n"
+ -- 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 entry
-
-
-foreign import ccall "dynamic"
- code_void :: FunPtr (IO ()) -> (IO ())
-
-executeFuncPtr :: Ptr Word8 -> IO ()
-executeFuncPtr entry = code_void $ ((castPtrToFunPtr entry) :: FunPtr (IO ()))
-
--- TODO(bernhard): make some typeclass magic 'n stuff
-mmap2ptr :: MMap -> IO (Ptr ())
-mmap2ptr mmap = do
- ptr_mmap <- newStablePtr mmap
- return $ castStablePtrToPtr ptr_mmap
-
-ptr2mmap :: Ptr () -> IO MMap
-ptr2mmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr MMap)
+ return (fromIntegral $ ptrToIntPtr entry, jnmap)
-cmap2ptr :: CMap -> IO (Ptr ())
-cmap2ptr cmap = do
- ptr_cmap <- newStablePtr cmap
- return $ castStablePtrToPtr ptr_cmap
-ptr2cmap :: Ptr () -> IO CMap
-ptr2cmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr cmap)
+executeFuncPtr :: NativeWord -> IO ()
+executeFuncPtr entry =
+ code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))
projects / mate.git / blobdiff