+{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ForeignFunctionInterface #-}
+#include "debug.h"
module Mate.MethodPool where
import Data.Binary
import qualified Data.ByteString.Lazy as B
import System.Plugins
-import Text.Printf
-
import Foreign.Ptr
import Foreign.C.Types
import Foreign.C.String
-import Foreign.StablePtr
import JVM.ClassFile
-import JVM.Converter
import Harpy
import Harpy.X86Disassembler
+#ifdef DEBUG
+import Text.Printf
+#endif
+
import Mate.BasicBlocks
import Mate.Types
import Mate.X86CodeGen
import Mate.Utilities
-
-
-foreign import ccall "get_mmap"
- get_mmap :: IO (Ptr ())
-
-foreign import ccall "set_mmap"
- set_mmap :: Ptr () -> IO ()
+import Mate.ClassPool
+import Mate.Debug
foreign import ccall "dynamic"
- code_void :: FunPtr (IO ()) -> (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
+ 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
+ tmap <- getTrapMap
+ vmap <- getVirtualMap
let w32_from = fromIntegral signal_from
- let mi@(MethodInfo method cm sig) = cmap M.! w32_from
- -- TODO(bernhard): replace parsing with some kind of classpool
- cls <- parseClassFile $ toString $ cm `B.append` ".class"
- case M.lookup mi mmap of
+ 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
Nothing -> do
- printf "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi)
- let mm = lookupMethod method cls
+ cls <- getClassFile cm
+ printfMp "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi')
+ mm <- lookupMethodRecursive method [] cls
case mm of
- Just mm' -> do
+ Just (mm', clsnames, cls') -> do
let flags = methodAccessFlags mm'
- case S.member ACC_NATIVE flags of
- False -> do
- hmap <- parseMethod cls method
- printMapBB hmap
- case hmap of
- Just hmap' -> do
- entry <- compileBB hmap' mi
- return $ fromIntegral $ ((fromIntegral $ ptrToIntPtr entry) :: Word32)
- Nothing -> error $ (show method) ++ " not found. abort"
- True -> do
- let symbol = (replace "/" "_" $ toString cm) ++ "__" ++ (toString method) ++ "__" ++ (replace "(" "_" (replace ")" "_" $ toString $ encode sig))
- printf "native-call: symbol: %s\n" symbol
+ if S.member ACC_NATIVE flags
+ then do
+ -- TODO(bernhard): cleaner please... *do'h*
+ let sym1 = replace "/" "_" $ toString cm
+ parenth = replace "(" "_" $ replace ")" "_" $ toString $ encode sig
+ sym2 = replace ";" "_" $ replace "/" "_" parenth
+ symbol = sym1 ++ "__" ++ toString method ++ "__" ++ sym2
+ printfMp "native-call: symbol: %s\n" symbol
nf <- loadNativeFunction symbol
let w32_nf = fromIntegral nf
- let mmap' = M.insert mi w32_nf mmap
- mmap2ptr mmap' >>= set_mmap
+ setMethodMap $ M.insert mi' w32_nf mmap
return nf
- Nothing -> error $ (show method) ++ " not found. abort"
+ 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"
+ Nothing -> error $ show method ++ " not found. abort"
Just w32 -> return (fromIntegral w32)
+lookupMethodRecursive :: B.ByteString -> [B.ByteString] -> Class Resolved
+ -> IO (Maybe (Method Resolved, [B.ByteString], Class Resolved))
+lookupMethodRecursive name 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
+ where
+ res = lookupMethod name 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 CUInt
loadNativeFunction sym = do
_ <- loadRawObject "ffi/native.o"
-- TODO(bernhard): WTF
resolveObjs (return ())
ptr <- withCString sym c_lookupSymbol
- if (ptr == nullPtr)
+ if ptr == nullPtr
then error $ "dyn. loading of \"" ++ sym ++ "\" failed."
- else return $ fromIntegral $ minusPtr ptr nullPtr
+ else return $ fromIntegral $ ptrToIntPtr ptr
-- t_01 :: IO ()
-- t_01 = do
-- 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
+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
+ setMethodMap $ mmap `M.union` newmap
-compileBB :: MapBB -> MethodInfo -> IO (Ptr Word8)
+
+compileBB :: MapBB -> MethodInfo -> IO Word32
compileBB hmap methodinfo = do
- mmap <- get_mmap >>= ptr2mmap
- cmap <- get_cmap >>= ptr2cmap
-
- -- TODO(bernhard): replace parsing with some kind of classpool
- cls <- parseClassFile $ toString $ (cName methodinfo) `B.append` ".class"
- let ebb = emitFromBB cls hmap
- (_, Right ((entry, _, _, new_cmap), disasm)) <- runCodeGen ebb () ()
- let w32_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
-
- let mmap' = M.insert methodinfo 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
+ tmap <- getTrapMap
+
+ cls <- getClassFile (methClassName methodinfo)
+ let ebb = emitFromBB (methName methodinfo) cls hmap
+ (_, 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)
+ 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
-- (3) `br *0x<addr>'; obtain the address from the disasm above
-- (4) `cont' and press enter
- return entry
-
-
-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
-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 :: Word32 -> IO ()
+executeFuncPtr entry =
+ code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))