+{-# 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
+#ifdef DBG_JIT
import Harpy.X86Disassembler
+#endif
+
+#ifdef DEBUG
+import Text.Printf
+#endif
import Mate.BasicBlocks
import Mate.Types
-import Mate.X86CodeGen
-import Mate.Utilities
+import Mate.NativeMachine
import Mate.ClassPool
-
+import Mate.Debug
+import Mate.Utilities
foreign import ccall "dynamic"
- code_void :: FunPtr (IO ()) -> (IO ())
+ 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_tmap = do
- mmap <- ptr2mmap ptr_mmap
- tmap <- ptr2tmap ptr_tmap
+getMethodEntry :: CPtrdiff -> CPtrdiff -> IO CPtrdiff
+getMethodEntry signal_from methodtable = do
+ mmap <- getMethodMap
+ tmap <- getTrapMap
+ vmap <- getVirtualMap
let w32_from = fromIntegral signal_from
let mi = tmap M.! w32_from
- case mi of
- (MI mi'@(MethodInfo method cm sig)) -> do
- case M.lookup mi' mmap of
- Nothing -> do
- cls <- getClassFile cm
- 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_methodmap
- return nf
- Nothing -> error $ (show method) ++ " not found. abort"
- Just w32 -> return (fromIntegral w32)
- _ -> error $ "getMethodEntry: no trapInfo. abort"
+ let mi'@(MethodInfo method cm sig) =
+ 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 sig [] cls
+ case mm of
+ Just (mm', clsnames, cls') -> do
+ let flags = methodAccessFlags mm'
+ 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
+ setMethodMap $ M.insert mi' nf mmap
+ return nf
+ else do
+ 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 w32
+ return $ fromIntegral entryaddr
+
+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 (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 $ minusPtr ptr nullPtr
+ _ <- 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_methodmap
- tmap2ptr M.empty >>= set_trapmap
- classmap2ptr M.empty >>= set_classmap
-
-compileBB :: MapBB -> MethodInfo -> IO (Ptr Word8)
-compileBB hmap methodinfo = do
- mmap <- get_methodmap >>= ptr2mmap
- tmap <- get_trapmap >>= ptr2tmap
-
- -- TODO(bernhard): replace parsing with some kind of classpool
- cls <- getClassFile (cName methodinfo)
- let ebb = emitFromBB cls hmap
- (_, Right ((entry, _, _, new_tmap), disasm)) <- runCodeGen ebb () ()
- let w32_entry = ((fromIntegral $ ptrToIntPtr entry) :: Word32)
-
- let mmap' = M.insert methodinfo w32_entry mmap
- let tmap' = M.union tmap new_tmap -- prefers elements in cmap
- mmap2ptr mmap' >>= set_methodmap
- tmap2ptr tmap' >>= set_trapmap
-
- 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 -> 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 :: RawMethod -> MethodInfo -> IO NativeWord
+compileBB rawmethod methodinfo = do
+ tmap <- getTrapMap
+
+ cls <- getClassFile (methClassName methodinfo)
+ 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\" 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 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
+ return $ fromIntegral $ ptrToIntPtr entry
-executeFuncPtr :: Ptr Word8 -> IO ()
-executeFuncPtr entry = code_void $ ((castPtrToFunPtr entry) :: FunPtr (IO ()))
+executeFuncPtr :: NativeWord -> IO ()
+executeFuncPtr entry =
+ code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))
projects / mate.git / blobdiff