module Mate.MethodPool where
import Data.Binary
-import Data.Int
-import Data.List
-import Data.Maybe
+import Data.String.Utils
import qualified Data.Map as M
+import qualified Data.Set as S
import qualified Data.ByteString.Lazy as B
+import System.Plugins
+
+import Text.Printf
-import Foreign
import Foreign.Ptr
-import Foreign.StablePtr
import Foreign.C.Types
import Foreign.C.String
+import Foreign.StablePtr
-import Text.Printf
-
-import qualified JVM.Assembler as J
-import JVM.Assembler hiding (Instruction)
+import JVM.ClassFile
+import JVM.Converter
import Harpy
import Harpy.X86Disassembler
+import Mate.BasicBlocks
+import Mate.Types
import Mate.X86CodeGen
+import Mate.Utilities
foreign import ccall "get_mmap"
foreign import ccall "set_mmap"
set_mmap :: Ptr () -> IO ()
-foreign import ccall "demo_mmap"
- demo_mmap :: IO ()
+foreign import ccall "dynamic"
+ code_void :: FunPtr (IO ()) -> (IO ())
-type MMap = M.Map String Word32
+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
-foreign export ccall getMethodEntry :: Ptr () -> CString -> IO CUInt
-getMethodEntry :: Ptr () -> CString -> IO CUInt
-getMethodEntry ptr_mmap cstr = do
- mmap <- deRefStablePtr $ ((castPtrToStablePtr ptr_mmap) :: StablePtr MMap)
- k <- peekCString cstr
- case M.lookup k mmap of
- Nothing -> return 0
+ 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
+ Nothing -> do
+ printf "getMethodEntry(from 0x%08x): no method \"%s\" found. compile it\n" w32_from (show mi)
+ let mm = lookupMethod method cls
+ case mm of
+ Just mm' -> 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
+ nf <- loadNativeFunction symbol
+ let w32_nf = fromIntegral nf
+ let mmap' = M.insert mi w32_nf mmap
+ mmap2ptr mmap' >>= set_mmap
+ return nf
+ Nothing -> error $ (show method) ++ " not found. abort"
Just w32 -> return (fromIntegral w32)
-t_01 = do
- (entry, end) <- testCase "./tests/Fib.class" "fib"
- let int_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
- let mmap = M.insert ("fib" :: String) int_entry M.empty
- mapM_ (\(x,y) -> printf "%s at 0x%08x\n" x y) $ M.toList mmap
+-- TODO(bernhard): UBERHAX. ghc patch?
+foreign import ccall safe "lookupSymbol"
+ c_lookupSymbol :: CString -> IO (Ptr a)
+
+loadNativeFunction :: String -> IO (CUInt)
+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 $ minusPtr ptr nullPtr
+
+-- t_01 :: IO ()
+-- t_01 = do
+-- (entry, _) <- testCase "./tests/Fib.class" "fib"
+-- let int_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
+-- 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 -> MethodInfo -> IO (Ptr Word8)
+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
+ -- 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
- set_mmap $ castStablePtrToPtr ptr_mmap
- demo_mmap -- access Data.Map from C
+ return $ castStablePtrToPtr ptr_mmap
+
+ptr2mmap :: Ptr () -> IO MMap
+ptr2mmap vmap = deRefStablePtr $ ((castPtrToStablePtr vmap) :: StablePtr MMap)
+
+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)
projects / mate.git / blobdiff