-----------------------------------------------------------------------------
\begin{code}
+{-# OPTIONS -fno-warn-unused-do-bind #-}
module SysTools (
-- Initialisation
initSysTools,
-- Interface to system tools
runUnlit, runCpp, runCc, -- [Option] -> IO ()
runPp, -- [Option] -> IO ()
- runMangle, runSplit, -- [Option] -> IO ()
+ runSplit, -- [Option] -> IO ()
runAs, runLink, -- [Option] -> IO ()
runMkDLL,
runWindres,
runLlvmOpt,
runLlvmLlc,
+ readElfSection,
touch, -- String -> String -> IO ()
copy,
import Panic
import Util
import DynFlags
-
import Exception
+
import Data.IORef
import Control.Monad
import System.Exit
import Data.Char
import Data.List
import qualified Data.Map as Map
+import Text.ParserCombinators.ReadP hiding (char)
+import qualified Text.ParserCombinators.ReadP as R
#ifndef mingw32_HOST_OS
import qualified System.Posix.Internals
import Foreign.C.String
#endif
-import System.Process ( runInteractiveProcess, getProcessExitCode )
+import System.Process
import Control.Concurrent
import FastString
import SrcLoc ( SrcLoc, mkSrcLoc, noSrcSpan, mkSrcSpan )
-- architecture-specific stuff is done when building Config.hs
unlit_path = installed cGHC_UNLIT_PGM
- -- split and mangle are Perl scripts
+ -- split is a Perl script
split_script = installed cGHC_SPLIT_PGM
- mangle_script = installed cGHC_MANGLER_PGM
windres_path = installed_mingw_bin "windres"
| isWindowsHost = installed cGHC_TOUCHY_PGM
| otherwise = "touch"
-- On Win32 we don't want to rely on #!/bin/perl, so we prepend
- -- a call to Perl to get the invocation of split and mangle.
+ -- a call to Perl to get the invocation of split.
-- On Unix, scripts are invoked using the '#!' method. Binary
-- installations of GHC on Unix place the correct line on the
-- front of the script at installation time, so we don't want
(split_prog, split_args)
| isWindowsHost = (perl_path, [Option split_script])
| otherwise = (split_script, [])
- (mangle_prog, mangle_args)
- | isWindowsHost = (perl_path, [Option mangle_script])
- | otherwise = (mangle_script, [])
(mkdll_prog, mkdll_args)
| not isWindowsHost
= panic "Can't build DLLs on a non-Win32 system"
pgm_P = cpp_path,
pgm_F = "",
pgm_c = (gcc_prog,[]),
- pgm_m = (mangle_prog,mangle_args),
pgm_s = (split_prog,split_args),
pgm_a = (as_prog,[]),
pgm_l = (ld_prog,[]),
= (path, '\"' : head b_dirs ++ "\";" ++ paths)
mangle_path other = other
-runMangle :: DynFlags -> [Option] -> IO ()
-runMangle dflags args = do
- let (p,args0) = pgm_m dflags
- runSomething dflags "Mangler" p (args0++args)
-
runSplit :: DynFlags -> [Option] -> IO ()
runSplit dflags args = do
let (p,args0) = pgm_s dflags
getExtraViaCOpts dflags = do
f <- readFile (topDir dflags </> "extra-gcc-opts")
return (words f)
+
+-- | read the contents of the named section in an ELF object as a
+-- String.
+readElfSection :: DynFlags -> String -> FilePath -> IO (Maybe String)
+readElfSection _dflags section exe = do
+ let
+ prog = "readelf"
+ args = [Option "-p", Option section, FileOption "" exe]
+ --
+ r <- readProcessWithExitCode prog (filter notNull (map showOpt args)) ""
+ case r of
+ (ExitSuccess, out, _err) -> return (doFilter (lines out))
+ _ -> return Nothing
+ where
+ doFilter [] = Nothing
+ doFilter (s:r) = case readP_to_S parse s of
+ [(p,"")] -> Just p
+ _r -> doFilter r
+ where parse = do
+ skipSpaces; R.char '['; skipSpaces; string "0]"; skipSpaces;
+ munch (const True)
\end{code}
%************************************************************************
writeIORef ref mapping'
debugTraceMsg dflags 2 (ptext (sLit "Created temporary directory:") <+> text dirname)
return dirname
- `IO.catch` \e ->
+ `catchIO` \e ->
if isAlreadyExistsError e
then mkTempDir (x+1)
else ioError e
(non_deletees, deletees) = partition isHaskellUserSrcFilename fs
removeWith :: DynFlags -> (FilePath -> IO ()) -> FilePath -> IO ()
-removeWith dflags remover f = remover f `IO.catch`
+removeWith dflags remover f = remover f `catchIO`
(\e ->
let msg = if isDoesNotExistError e
then ptext (sLit "Warning: deleting non-existent") <+> text f
runSomethingFiltered dflags filter_fn phase_name pgm args mb_env = do
let real_args = filter notNull (map showOpt args)
- traceCmd dflags phase_name (unwords (pgm:real_args)) $ do
+#if __GLASGOW_HASKELL__ >= 701
+ cmdLine = showCommandForUser pgm real_args
+#else
+ cmdLine = unwords (pgm:real_args)
+#endif
+ traceCmd dflags phase_name cmdLine $ do
(exit_code, doesn'tExist) <-
- IO.catch (do
+ catchIO (do
rc <- builderMainLoop dflags filter_fn pgm real_args mb_env
case rc of
ExitSuccess{} -> return (rc, False)
; unless (dopt Opt_DryRun dflags) $ do {
-- And run it!
- ; action `IO.catch` handle_exn verb
+ ; action `catchIO` handle_exn verb
}}
where
handle_exn _verb exn = do { debugTraceMsg dflags 2 (char '\n')