X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=Mate%2FMethodPool.hs;h=5f787a25afad127167897d51381da0350dab4e39;hb=03ddf0056a8ebae7ce10d694bbf906c276677a33;hp=aff4dfede03cec0038df0bf51b03de6cd3c361bd;hpb=ac25b64148468f9268f99e35c0e99a1cf59dd6d2;p=mate.git diff --git a/Mate/MethodPool.hs b/Mate/MethodPool.hs index aff4dfe..5f787a2 100644 --- a/Mate/MethodPool.hs +++ b/Mate/MethodPool.hs @@ -1,15 +1,16 @@ +{-# LANGUAGE CPP #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE ForeignFunctionInterface #-} +#include "debug.h" module Mate.MethodPool where import Data.Binary 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.Ptr import Foreign.C.Types import Foreign.C.String @@ -19,69 +20,97 @@ import JVM.ClassFile import Harpy import Harpy.X86Disassembler +#ifdef DEBUG +import Text.Printf +#endif + import Mate.BasicBlocks import Mate.Types import Mate.X86CodeGen -import Mate.Utilities 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 :: CUInt -> CUInt -> IO CUInt +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 + (VirtualMethod _ (MethodInfo methname _ msig)) -> newMi methname msig + (InterfaceMethod _ (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 Word32 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 @@ -92,38 +121,40 @@ loadNativeFunction sym = do -- 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 ' - -- (2) on getLine, press ctrl+c +addMethodRef :: Word32 -> 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 Word32 +compileBB rawmethod methodinfo = do + tmap <- getTrapMap + + cls <- getClassFile (methClassName methodinfo) + let ebb = emitFromBB cls rawmethod + (_, Right right) <- runCodeGen ebb () () + + 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) + mapM_ (printfJit "%s\n" . showAtt) (snd right) + 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'; 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 :: Word32 -> IO () +executeFuncPtr entry = + code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))