codegen: handle exceptions of a method

[mate.git] / Mate / MethodPool.hs

diff --git a/Mate/MethodPool.hs b/Mate/MethodPool.hs
index e04b709a77f868b7912576130fc4a631692d7a42..d1df9cf1bb27fe95354b4a2a2daa72c7eab8081c 100644 (file)
--- a/Mate/MethodPool.hs
+++ b/Mate/MethodPool.hs
@@ -5,9 +5,11 @@ 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 System.Plugins
+import Control.Monad
 
 import Foreign.Ptr
 import Foreign.C.Types
@@ -38,11 +40,11 @@ foreign import ccall "&loadLibrary"
 foreign import ccall "&printGCStats"
   printGCStatsAddr :: FunPtr (IO ())
 
-getMethodEntry :: MethodInfo -> IO CPtrdiff
+getMethodEntry :: MethodInfo -> IO (CPtrdiff, JpcNpcMap)
 getMethodEntry mi@(MethodInfo method cm sig) = do
   mmap <- getMethodMap
 
-  entryaddr <- case M.lookup mi mmap of
+  (entryaddr, jnmap) <- case M.lookup mi mmap of
     Nothing -> do
       cls <- getClassFile cm
       printfMp $ printf "getMethodEntry: no method \"%s\" found. compile it\n" (show mi)
@@ -53,14 +55,14 @@ getMethodEntry mi@(MethodInfo method cm sig) = do
             if S.member ACC_NATIVE flags
               then do
                 let scm = toString cm; smethod = toString method
-                if scm == "jmate/lang/MateRuntime" then do
+                if scm == "jmate/lang/MateRuntime" then
                   case smethod of
                     "loadLibrary" ->
-                       return . funPtrToAddr $ loadLibraryAddr
+                       return (funPtrToAddr loadLibraryAddr, BI.empty)
                     "printGCStats" ->
-                       return . funPtrToAddr $ printGCStatsAddr
+                       return (funPtrToAddr printGCStatsAddr, BI.empty)
                     "printMemoryUsage" ->
-                       return . funPtrToAddr $ printMemoryUsageAddr
+                       return (funPtrToAddr printMemoryUsageAddr, BI.empty)
                     _ ->
                        error $ "native-call: " ++ smethod ++ " not found."
                 else do
@@ -71,16 +73,17 @@ getMethodEntry mi@(MethodInfo method cm sig) = do
                       symbol = sym1 ++ "__" ++ smethod ++ "__" ++ sym2
                   printfMp $ printf "native-call: symbol: %s\n" symbol
                   nf <- loadNativeFunction symbol
-                  setMethodMap $ M.insert mi nf mmap
-                  return nf
+                  let nf' = (nf, BI.empty)
+                  setMethodMap $ M.insert mi nf' mmap
+                  return nf'
               else do
                 rawmethod <- parseMethod cls' method sig
-                entry <- compileBB rawmethod (MethodInfo method (thisClass cls') sig)
+                entry <- compileBB mi rawmethod (MethodInfo method (thisClass cls') sig)
                 addMethodRef entry mi clsnames
-                return $ fromIntegral entry
+                return entry
         Nothing -> error $ show method ++ " not found. abort"
     Just w32 -> return w32
-  return $ fromIntegral entryaddr
+  return (fromIntegral entryaddr, jnmap)
 
 funPtrToAddr :: Num b => FunPtr a -> b
 funPtrToAddr = fromIntegral . ptrToIntPtr . castFunPtrToPtr
@@ -124,30 +127,29 @@ loadNativeFunction sym = do
 --   mmap2ptr mmap >>= set_mmap
 --   demo_mmap -- access Data.Map from C
 
-addMethodRef :: NativeWord -> MethodInfo -> [B.ByteString] -> IO ()
+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 :: RawMethod -> MethodInfo -> IO NativeWord
-compileBB rawmethod methodinfo = do
+compileBB :: MethodInfo -> RawMethod -> MethodInfo -> IO (NativeWord, JpcNpcMap)
+compileBB mi 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
+  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
+  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)
-  if mateDEBUG
-    then mapM_ (printfJit . printf "%s\n" . showAtt) (snd right)
-    else return ()
+  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"
@@ -158,7 +160,7 @@ compileBB rawmethod methodinfo = do
   -- (2) on getLine, press CTRL+C
   -- (3) `br *0x<addr>'; obtain the address from the disasm above
   -- (4) `cont' and press enter
-  return $ fromIntegral $ ptrToIntPtr entry
+  return (fromIntegral $ ptrToIntPtr entry, jnmap)
 
 
 executeFuncPtr :: NativeWord -> IO ()