-- as for deep thoughts ISA
-----------------------------------------------------------------------------
-
-
-import DT
+import DT hiding (not)
import DTFormat
+import Expr_eval
import Control.Applicative hiding ((<|>),many)
import Text.Parsec.Combinator
import qualified Data.Map as M
import Data.List
+import Data.Char
import Data.Word
+import Data.Bits
import qualified Data.ByteString.Lazy as BL
import Control.Monad
args <- getArgs
content <- getContents
let src = (filter (((/=) "") . snd) $ (zip [1..] (lines content)))
- let (dict,formatedsrc) = convertDTF src NoState 0x00 0x00 []
- printf "\nlabels:\n"
- sequence_ [printf "%10s @ 0x%08x\n" l a | (l,a) <- (reverse dict)]
- printf "\nparsed asm:\n"
- sequence_ [printf "%s" (show x) | x <- formatedsrc]
+ let (dict,formatedsrc) = convertDTF src NoState 0x00 0x00 [("start_",0x00)]
+ if (not $ null args) && ("-d" `elem` args)
+ then do
+ printf "\nlabels:\n"
+ sequence_ [printf "%20s @ 0x%08x\n" l a | (l,a) <- (reverse dict)]
+ printf "\nparsed asm:\n"
+ sequence_ [printf "%s" (show x) | x <- formatedsrc]
+ printf "\nafter parsing the instructions:\n"
+ else do
+ printf ""
+ let base = if "-b" `elem` args then 2 else 16
let parsed = parseInstr dict formatedsrc
- printf "\nafter parsing the instructions:\n"
- sequence_ [printf "%s" (show x) | x <- parsed]
+ sequence_ [printf "%s" (showsDTFBase x base "") | x <- parsed]
parseInstr :: [DictElem] -> [DTF] -> [DTF]
actlist (DTF_Org _) = next
actlist (DTF_State _) = next
actlist (DTF_Define _ _ _) = next
+ actlist (DTF_Fill rep val code l c) = if state == InData then
+ (DTF_Data datacnt val code l c):[(DTF_Data dc val "" "" "") | i<-[2..repi], let dc = [(datacnt+0x4),(datacnt+0x8)..]!!(i-2)] ++ next
+ else
+ (DTF_Instr instrcnt val code l c):[(DTF_Instr ic val "" "" "") | i<-[2..repi], let ic = [(instrcnt+0x4),(instrcnt+0x8)..]!!(i-2)] ++ next
+ where
+ repi :: Int
+ repi = fromInteger (toInteger rep)
+ actlist (DTF_Ascii str lab code comment) =
+ (DTF_Data datacnt (strval!!0) code lab comment):
+ [(DTF_Data ic (strval!!i) code lab comment)
+ | i<-[1..len]
+ , let ic = [datacnt,(datacnt+0x4)..]!!i
+ ]
+ ++ next
+ where
+ len = ((length str)`div`4)
+ strval :: [Word32]
+ strval = pf $ map (\x -> fromIntegral $ ord x :: Word8) str
+ pf :: [Word8] -> [Word32]
+ pf [] = []
+ pf xs@(_:[]) = pf (xs ++ [0,0,0])
+ pf xs@(_:_:[]) = pf (xs ++ [0,0])
+ pf xs@(_:_:_:[]) = pf (xs ++ [0])
+ pf (a:b:c:d:xs) = (foldl' accum 0 [d,c,b,a]):(pf xs)
+ where
+ accum x o = (x `shiftL` 8) .|. fromIntegral o
actlist y = y:next
(newdict,next) = convertDTF xs (nstate newdtf) (ndatacnt newdtf) (ninstrcnt newdtf) (ndict newdtf)
ndatacnt (DTF_Org adr)
| state == InData = adr
| otherwise = datacnt
+ ndatacnt (DTF_Fill rep _ _ _ _)
+ | state == InData = datacnt + (4*rep)
+ | otherwise = datacnt
+ ndatacnt (DTF_Ascii str _ _ _)
+ | state == InData = datacnt + (4*len)
+ where len = fromIntegral $ ((length str)`div`4)+1
ndatacnt (DTF_Data _ _ _ _ _) = inc datacnt
ndatacnt _ = datacnt
ninstrcnt (DTF_Org adr)
| state == InText = adr
| otherwise = instrcnt
+ ninstrcnt (DTF_Fill rep _ _ _ _)
+ | state == InText = instrcnt + (4*rep)
+ | otherwise = instrcnt
ninstrcnt (DTF_Instr _ _ _ _ _) = inc instrcnt
ninstrcnt (DTF_InstrToParse _ _ _ _ _) = inc instrcnt
ninstrcnt _ = instrcnt
ndict (DTF_Data a _ _ l _) = dict `add_elem` (l,a)
ndict (DTF_Instr a _ _ l _) = dict `add_elem` (l,a)
ndict (DTF_Define l v _) = dict `add_elem` (l,v)
+ ndict (DTF_Fill _ _ _ l _)
+ | state == InText = dict `add_elem` (l,instrcnt)
+ | state == InData = dict `add_elem` (l,datacnt)
+ ndict (DTF_Ascii _ l c _)
+ | state == InData = dict `add_elem` (l,datacnt)
+ | otherwise = error $ "don't use .ascii in .text here: " ++ c
ndict _ = dict
- newdtf = case (parse parseDTFLine "" (str++"\n")) of
+ newdtf = case (parse (parseDTFLine dict) "" (str++"\n")) of
Left err -> error ("couldn't parse line " ++ (show lno) ++ ": " ++ (show err))
Right (DTF_SectionToDet _ v c l s) ->
case state of
NoState -> error "missing .data or .text"
InData -> (DTF_Label l c datacnt)
InText -> (DTF_Label l c instrcnt)
- Right z -> z -- DTF_Comment, DTF_State, DTF_Define
-
-
+ Right z -> z -- DTF_Comment, DTF_State, DTF_Define, DTF_Fill, DTF_Ascii
testDTF :: String -> IO ()
testDTF input =
- case (parse parseDTFLine "" (input++"\n")) of
+ case (parse (parseDTFLine dict) "" (input++"\n")) of
Left err -> do { putStr "failz ;(\n"; print err}
Right x -> do { print x }
+ where
+ dict = [("lolz", 0x1337), ("rofl", 0xaaaa)]
-parseDTFLine :: Parser DTF
-parseDTFLine = foldl1 (<|>) (fmap try lineFormats) <* char '\n'
+parseDTFLine :: [DictElem] -> Parser DTF
+parseDTFLine dict = foldl1 (<|>) (fmap (\x -> try (x dict)) lineFormats) <* char '\n'
-lineFormats = [lf_define, lf_sdata, lf_stext, lf_org, lf_data, lf_comment, lf_toparse, lf_label]
+lineFormats = [lf_define, lf_sdata, lf_stext, lf_org, lf_data, lf_ifill, lf_ascii, lf_comment, lf_toparse, lf_label]
-- helper
parseIdent :: Parser String
comment <- many $ noneOf "\n"
return $ comment
-parseConst :: Parser Word32
-parseConst = do
- skipMany space
- -- TODO: only decimal and hex (since this is supported by read)
- -- TODO: howto check too big values? atm they get truncated
- str <- try(do pref <- string "0x"; z <- many1 hexDigit; return $ (pref ++ z)) <|> (many1 digit)
- let val = read str
- return $ val
+parseConst :: [DictElem] -> Parser Word32
+parseConst d = expr d
-- teh pars0rs
-lf_data = do
+lf_data d = do
l <- try (parseLabel) <|> string ""
skipMany space
fill <- string ".fill "
+ repeat <- try (do {size <- many1 $ noneOf "\n;,"; char ','; return $ size}) <|> return "1"
-- TODO: atm 32bit imm only
code <- many1 $ noneOf "\n;"
- -- TODO: this is quite ugly here :/
- let (Right val) = parse parseConst "" code
+ let val = case parse (parseConst d) "" code of
+ Right v -> v
+ Left err -> error $ show err
+ let r = case parse (parseConst d) "" repeat of
+ Right v -> v
+ Left err -> error $ show err
+ comment <- try(parseComment) <|> parseMySpaces
+ return $ DTF_Fill r val (fill ++ (if repeat == "1" then "" else repeat) ++ code) l comment
+
+lf_ifill d = do
+ l <- try (parseLabel) <|> string ""
+ skipMany space
+ fill <- string ".ifill "
+ code <- many1 $ noneOf "\n;"
+ let val = case parse (instruction (0,d)) "" (code++"\n") of
+ Right v -> v
+ Left err -> error $ show err
+ comment <- try(parseComment) <|> parseMySpaces
+ return $ DTF_Fill 1 val (fill ++ code) l comment
+
+lf_ascii _ = do
+ l <- try (parseLabel) <|> string ""
+ skipMany space
+ ascii <- string ".ascii "
+ char '"'
+ str <- many1 $ noneOf "\"";
+ char '"'
comment <- try(parseComment) <|> parseMySpaces
- return $ DTF_SectionToDet 0 val (fill ++ code) l comment
+ return $ DTF_Ascii str (ascii ++ "\"" ++ str ++ "\"") l comment
-lf_comment = do
+lf_comment _ = do
comment <- parseComment
return $ DTF_Comment comment
-lf_label = do
+lf_label _ = do
l <- parseLabel
comment <- try(parseComment) <|> parseMySpaces
return $ DTF_Label l comment 0
-lf_toparse = do
+lf_toparse _ = do
l <- try(parseLabel) <|> string ""
skipMany space
code <- many1 $ noneOf "\n;"
comment <- try(parseComment) <|> parseMySpaces
return $ DTF_InstrToParse 0 code code l comment
-lf_org = do
+lf_org d = do
skipMany space
string ".org"
- val <- parseConst
+ val <- parseConst d
parseMySpaces
return $ DTF_Org val
-lf_sdata = do
+lf_sdata _ = do
skipMany space
string ".data"
parseMySpaces
return $ DTF_State InData
-lf_stext = do
+lf_stext _ = do
skipMany space
string ".text"
parseMySpaces
return $ DTF_State InText
-lf_define = do
+lf_define d = do
skipMany space
string ".define"
parseMySpaces
id <- parseIdent
- parseMySpaces; char ','; parseMySpaces
- ret <- parseConst
+ char ','
+ -- TODO: expressions with (expr) do not work ;(
+ ret <- parseConst d
comment <- try(parseComment) <|> parseMySpaces
return $ DTF_Define id ret comment
projects / calu.git / blobdiff