-{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ForeignFunctionInterface #-}
-#include "debug.h"
module Mate.MethodPool where
import Data.Binary
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
import Harpy
import Harpy.X86Disassembler
-#ifdef DEBUG
-import Text.Printf
-#endif
-
import Mate.BasicBlocks
import Mate.Types
-import Mate.X86CodeGen
+import Mate.NativeMachine
import Mate.ClassPool
import Mate.Debug
+import Mate.Utilities
+import Mate.Rts()
foreign import ccall "dynamic"
code_void :: FunPtr (IO ()) -> IO ()
+foreign import ccall "&printMemoryUsage"
+ printMemoryUsageAddr :: FunPtr (IO ())
+
+foreign import ccall "&loadLibrary"
+ loadLibraryAddr :: FunPtr (IO ())
+
+foreign import ccall "&printGCStats"
+ printGCStatsAddr :: FunPtr (IO ())
-getMethodEntry :: CUInt -> CUInt -> IO CUInt
-getMethodEntry signal_from methodtable = do
+getMethodEntry :: MethodInfo -> IO CPtrdiff
+getMethodEntry mi@(MethodInfo method cm sig) = do
mmap <- getMethodMap
- tmap <- getTrapMap
- vmap <- getVirtualMap
-
- let w32_from = fromIntegral signal_from
- 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
+
+ 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 [] cls
+ printfMp $ printf "getMethodEntry: no method \"%s\" found. compile it\n" (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
- let w32_nf = fromIntegral nf
- setMethodMap $ M.insert mi' w32_nf mmap
- return nf
+ let scm = toString cm; smethod = toString method
+ if scm == "jmate/lang/MateRuntime" then
+ case smethod of
+ "loadLibrary" ->
+ return . funPtrToAddr $ loadLibraryAddr
+ "printGCStats" ->
+ return . funPtrToAddr $ printGCStatsAddr
+ "printMemoryUsage" ->
+ return . funPtrToAddr $ printMemoryUsageAddr
+ _ ->
+ error $ "native-call: " ++ smethod ++ " not found."
+ else do
+ -- TODO(bernhard): cleaner please... *do'h*
+ let sym1 = replace "/" "_" scm
+ parenth = replace "(" "_" $ replace ")" "_" $ toString $ encode sig
+ sym2 = replace ";" "_" $ replace "/" "_" parenth
+ symbol = sym1 ++ "__" ++ smethod ++ "__" ++ sym2
+ printfMp $ printf "native-call: symbol: %s\n" symbol
+ nf <- loadNativeFunction symbol
+ setMethodMap $ M.insert mi nf mmap
+ return nf
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"
+ 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 (fromIntegral w32)
+ Just w32 -> return w32
+ return $ fromIntegral entryaddr
+
+funPtrToAddr :: Num b => FunPtr a -> b
+funPtrToAddr = fromIntegral . ptrToIntPtr . castFunPtrToPtr
-lookupMethodRecursive :: B.ByteString -> [B.ByteString] -> Class Direct
+lookupMethodRecursive :: B.ByteString -> MethodSignature -> [B.ByteString] -> Class Direct
-> IO (Maybe (Method Direct, [B.ByteString], Class Direct))
-lookupMethodRecursive name clsnames cls =
+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 nextclsn supercl
+ lookupMethodRecursive name sig nextclsn supercl
where
- res = lookupMethod name cls
- thisname = thisClass cls
- nextclsn :: [B.ByteString]
- nextclsn = thisname:clsnames
+ 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 $ 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
-- (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
-addMethodRef :: Word32 -> MethodInfo -> [B.ByteString] -> IO ()
+addMethodRef :: NativeWord -> 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
+ let newmap = foldr (\i -> M.insert (MethodInfo mmname i msig) entry) M.empty clsnames
setMethodMap $ mmap `M.union` newmap
-compileBB :: MapBB -> MethodInfo -> IO Word32
-compileBB hmap methodinfo = do
+compileBB :: RawMethod -> MethodInfo -> IO NativeWord
+compileBB rawmethod methodinfo = do
tmap <- getTrapMap
cls <- getClassFile (methClassName methodinfo)
- let ebb = emitFromBB (methName methodinfo) cls hmap
- (_, Right right) <- runCodeGen ebb () ()
+ 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\":\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
+ 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)
+ when mateDEBUG $ mapM_ (printfJit . printf "%s\n" . showAtt) (snd right)
+ printfJit $ printf "\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 $ fromIntegral $ ptrToIntPtr entry
-executeFuncPtr :: Word32 -> IO ()
+executeFuncPtr :: NativeWord -> IO ()
executeFuncPtr entry =
code_void ((castPtrToFunPtr $ intPtrToPtr $ fromIntegral entry) :: FunPtr (IO ()))