X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FSysTools.lhs;h=06850ef4d3aee4974698d4b605a499ff481aba14;hb=980f56ed05fe6665e73d130cc99de6390095c2d7;hp=127612d1847dc04943c385838d84837959a60aea;hpb=911a9fad0e04c6df6e895bab8e169a90766dc483;p=ghc-hetmet.git diff --git a/ghc/compiler/main/SysTools.lhs b/ghc/compiler/main/SysTools.lhs index 127612d..06850ef 100644 --- a/ghc/compiler/main/SysTools.lhs +++ b/ghc/compiler/main/SysTools.lhs @@ -19,6 +19,7 @@ module SysTools ( setPgms, setPgma, setPgml, + setPgmDLL, #ifdef ILX setPgmI, setPgmi, @@ -68,7 +69,7 @@ import DriverPhases ( isHaskellUserSrcFilename ) import Config import Outputable import Panic ( GhcException(..) ) -import Util ( global, notNull, toArgs ) +import Util ( global, notNull ) import CmdLineOpts ( dynFlag, verbosity ) import EXCEPTION ( throwDyn ) @@ -83,7 +84,7 @@ import IO ( try, catch, import Directory ( doesFileExist, removeFile ) import List ( partition ) -#include "../includes/config.h" +#include "../includes/ghcconfig.h" -- GHC <= 4.08 didn't have rawSystem, and runs into problems with long command -- lines on mingw32, so we disallow it now. @@ -104,9 +105,9 @@ import Foreign import CString ( CString, peekCString ) #endif -#if __GLASGOW_HASKELL__ < 601 -import Foreign ( withMany, withArray0, nullPtr, Ptr ) -import CForeign ( CString, withCString, throwErrnoIfMinus1 ) +#if __GLASGOW_HASKELL__ < 603 +-- rawSystem comes from libghccompat.a in stage1 +import Compat.RawSystem ( rawSystem ) #else import System.Cmd ( rawSystem ) #endif @@ -188,16 +189,16 @@ All these pathnames are maintained IN THE NATIVE FORMAT OF THE HOST MACHINE. GLOBAL_VAR(v_Pgm_L, error "pgm_L", String) -- unlit GLOBAL_VAR(v_Pgm_P, error "pgm_P", (String,[Option])) -- cpp GLOBAL_VAR(v_Pgm_F, error "pgm_F", String) -- pp -GLOBAL_VAR(v_Pgm_c, error "pgm_c", String) -- gcc -GLOBAL_VAR(v_Pgm_m, error "pgm_m", String) -- asm code mangler -GLOBAL_VAR(v_Pgm_s, error "pgm_s", String) -- asm code splitter -GLOBAL_VAR(v_Pgm_a, error "pgm_a", String) -- as +GLOBAL_VAR(v_Pgm_c, error "pgm_c", (String,[Option])) -- gcc +GLOBAL_VAR(v_Pgm_m, error "pgm_m", (String,[Option])) -- asm code mangler +GLOBAL_VAR(v_Pgm_s, error "pgm_s", (String,[Option])) -- asm code splitter +GLOBAL_VAR(v_Pgm_a, error "pgm_a", (String,[Option])) -- as #ifdef ILX GLOBAL_VAR(v_Pgm_I, error "pgm_I", String) -- ilx2il GLOBAL_VAR(v_Pgm_i, error "pgm_i", String) -- ilasm #endif -GLOBAL_VAR(v_Pgm_l, error "pgm_l", String) -- ld -GLOBAL_VAR(v_Pgm_MkDLL, error "pgm_dll", String) -- mkdll +GLOBAL_VAR(v_Pgm_l, error "pgm_l", (String,[Option])) -- ld +GLOBAL_VAR(v_Pgm_MkDLL, error "pgm_dll", (String,[Option])) -- mkdll GLOBAL_VAR(v_Pgm_T, error "pgm_T", String) -- touch GLOBAL_VAR(v_Pgm_CP, error "pgm_CP", String) -- cp @@ -319,16 +320,20 @@ initSysTools minusB_args -- pick up whatever happens to be lying around in the path, -- possibly including those from a cygwin install on the target, -- which is exactly what we're trying to avoid. - ; let gcc_path | am_installed = installed_bin ("gcc -B\"" ++ installed "gcc-lib/\"") - | otherwise = cGCC + ; let gcc_b_arg = Option ("-B" ++ installed "gcc-lib/") + (gcc_prog,gcc_args) + | am_installed = (installed_bin "gcc", [gcc_b_arg]) + | otherwise = (cGCC, []) -- The trailing "/" is absolutely essential; gcc seems - -- to construct file names simply by concatenating to this - -- -B path with no extra slash - -- We use "/" rather than "\\" because otherwise "\\\" is mangled - -- later on; although gcc_path is in NATIVE format, gcc can cope + -- to construct file names simply by concatenating to + -- this -B path with no extra slash We use "/" rather + -- than "\\" because otherwise "\\\" is mangled + -- later on; although gcc_args are in NATIVE format, + -- gcc can cope -- (see comments with declarations of global variables) -- - -- The quotes round the -B argument are in case TopDir has spaces in it + -- The quotes round the -B argument are in case TopDir + -- has spaces in it perl_path | am_installed = installed_bin cGHC_PERL | otherwise = cGHC_PERL @@ -339,43 +344,49 @@ initSysTools minusB_args -- 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 - ; let split_path = perl_path ++ " \"" ++ split_script ++ "\"" - mangle_path = perl_path ++ " \"" ++ mangle_script ++ "\"" - - ; let mkdll_path - | am_installed = pgmPath (installed "gcc-lib/") cMKDLL ++ - " --dlltool-name " ++ pgmPath (installed "gcc-lib/") "dlltool" ++ - " --driver-name " ++ gcc_path - | otherwise = cMKDLL + ; let (split_prog, split_args) = (perl_path, [Option split_script]) + (mangle_prog, mangle_args) = (perl_path, [Option mangle_script]) + + ; let (mkdll_prog, mkdll_args) + | am_installed = + (pgmPath (installed "gcc-lib/") cMKDLL, + [ Option "--dlltool-name", + Option (pgmPath (installed "gcc-lib/") "dlltool"), + Option "--driver-name", + Option gcc_prog, gcc_b_arg ]) + | otherwise = (cMKDLL, []) #else -- UNIX-SPECIFIC STUFF -- On Unix, the "standard" tools are assumed to be -- in the same place whether we are running "in-place" or "installed" -- That place is wherever the build-time configure script found them. - ; let gcc_path = cGCC + ; let gcc_prog = cGCC + gcc_args = [] touch_path = "touch" - mkdll_path = panic "Can't build DLLs on a non-Win32 system" + mkdll_prog = panic "Can't build DLLs on a non-Win32 system" + mkdll_args = [] -- 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 to wire-in -- our knowledge of $(PERL) on the host system here. - ; let split_path = split_script - mangle_path = mangle_script + ; let (split_prog, split_args) = (split_script, []) + (mangle_prog, mangle_args) = (mangle_script, []) #endif -- cpp is derived from gcc on all platforms -- HACK, see setPgmP below. We keep 'words' here to remember to fix -- Config.hs one day. - ; let cpp_path = (gcc_path, (Option "-E"):(map Option (words cRAWCPP_FLAGS))) + ; let cpp_path = (gcc_prog, gcc_args ++ + (Option "-E"):(map Option (words cRAWCPP_FLAGS))) -- For all systems, copy and remove are provided by the host -- system; architecture-specific stuff is done when building Config.hs ; let cp_path = cGHC_CP -- Other things being equal, as and ld are simply gcc - ; let as_path = gcc_path - ld_path = gcc_path + ; let (as_prog,as_args) = (gcc_prog,gcc_args) + (ld_prog,ld_args) = (gcc_prog,gcc_args) #ifdef ILX -- ilx2il and ilasm are specified in Config.hs @@ -395,16 +406,16 @@ initSysTools minusB_args ; writeIORef v_Pgm_L unlit_path ; writeIORef v_Pgm_P cpp_path ; writeIORef v_Pgm_F "" - ; writeIORef v_Pgm_c gcc_path - ; writeIORef v_Pgm_m mangle_path - ; writeIORef v_Pgm_s split_path - ; writeIORef v_Pgm_a as_path + ; writeIORef v_Pgm_c (gcc_prog,gcc_args) + ; writeIORef v_Pgm_m (mangle_prog,mangle_args) + ; writeIORef v_Pgm_s (split_prog,split_args) + ; writeIORef v_Pgm_a (as_prog,as_args) #ifdef ILX ; writeIORef v_Pgm_I ilx2il_path ; writeIORef v_Pgm_i ilasm_path #endif - ; writeIORef v_Pgm_l ld_path - ; writeIORef v_Pgm_MkDLL mkdll_path + ; writeIORef v_Pgm_l (ld_prog,ld_args) + ; writeIORef v_Pgm_MkDLL (mkdll_prog,mkdll_args) ; writeIORef v_Pgm_T touch_path ; writeIORef v_Pgm_CP cp_path @@ -412,7 +423,7 @@ initSysTools minusB_args } #if defined(mingw32_HOST_OS) -foreign import stdcall "GetTempPathA" unsafe getTempPath :: Int -> CString -> IO Int32 +foreign import stdcall unsafe "GetTempPathA" getTempPath :: Int -> CString -> IO Int32 #endif \end{code} @@ -429,11 +440,12 @@ setPgmL = writeIORef v_Pgm_L -- Config.hs should really use Option. setPgmP arg = let (pgm:args) = words arg in writeIORef v_Pgm_P (pgm,map Option args) setPgmF = writeIORef v_Pgm_F -setPgmc = writeIORef v_Pgm_c -setPgmm = writeIORef v_Pgm_m -setPgms = writeIORef v_Pgm_s -setPgma = writeIORef v_Pgm_a -setPgml = writeIORef v_Pgm_l +setPgmc prog = writeIORef v_Pgm_c (prog,[]) +setPgmm prog = writeIORef v_Pgm_m (prog,[]) +setPgms prog = writeIORef v_Pgm_s (prog,[]) +setPgma prog = writeIORef v_Pgm_a (prog,[]) +setPgml prog = writeIORef v_Pgm_l (prog,[]) +setPgmDLL prog = writeIORef v_Pgm_MkDLL (prog,[]) #ifdef ILX setPgmI = writeIORef v_Pgm_I setPgmi = writeIORef v_Pgm_i @@ -535,24 +547,24 @@ runPp args = do p <- readIORef v_Pgm_F runSomething "Haskell pre-processor" p args runCc :: [Option] -> IO () -runCc args = do p <- readIORef v_Pgm_c - runSomething "C Compiler" p args +runCc args = do (p,args0) <- readIORef v_Pgm_c + runSomething "C Compiler" p (args0++args) runMangle :: [Option] -> IO () -runMangle args = do p <- readIORef v_Pgm_m - runSomething "Mangler" p args +runMangle args = do (p,args0) <- readIORef v_Pgm_m + runSomething "Mangler" p (args0++args) runSplit :: [Option] -> IO () -runSplit args = do p <- readIORef v_Pgm_s - runSomething "Splitter" p args +runSplit args = do (p,args0) <- readIORef v_Pgm_s + runSomething "Splitter" p (args0++args) runAs :: [Option] -> IO () -runAs args = do p <- readIORef v_Pgm_a - runSomething "Assembler" p args +runAs args = do (p,args0) <- readIORef v_Pgm_a + runSomething "Assembler" p (args0++args) runLink :: [Option] -> IO () -runLink args = do p <- readIORef v_Pgm_l - runSomething "Linker" p args +runLink args = do (p,args0) <- readIORef v_Pgm_l + runSomething "Linker" p (args0++args) #ifdef ILX runIlx2il :: [Option] -> IO () @@ -565,8 +577,8 @@ runIlasm args = do p <- readIORef v_Pgm_i #endif runMkDLL :: [Option] -> IO () -runMkDLL args = do p <- readIORef v_Pgm_MkDLL - runSomething "Make DLL" p args +runMkDLL args = do (p,args0) <- readIORef v_Pgm_MkDLL + runSomething "Make DLL" p (args0++args) touch :: String -> String -> IO () touch purpose arg = do p <- readIORef v_Pgm_T @@ -727,17 +739,20 @@ runSomething :: String -- For -v message runSomething phase_name pgm args = do let real_args = filter notNull (map showOpt args) - -- Don't assume that 'pgm' contains the program path only, - -- but split it up and shift any arguments over to the arg vector. - let (real_pgm, argv) = - case toArgs pgm of - [] -> (pgm, real_args) -- let rawSystem be the bearer of bad news.. - (x:xs) -> (x, xs ++ real_args) traceCmd phase_name (unwords (pgm:real_args)) $ do - exit_code <- rawSystem real_pgm argv - if (exit_code /= ExitSuccess) - then throwDyn (PhaseFailed phase_name exit_code) - else return () + exit_code <- rawSystem pgm real_args + case exit_code of + ExitSuccess -> + return () + -- rawSystem returns (ExitFailure 127) if the exec failed for any + -- reason (eg. the program doesn't exist). This is the only clue + -- we have, but we need to report something to the user because in + -- the case of a missing program there will otherwise be no output + -- at all. + ExitFailure 127 -> + throwDyn (InstallationError ("could not execute: " ++ pgm)) + ExitFailure _other -> + throwDyn (PhaseFailed phase_name exit_code) traceCmd :: String -> String -> IO () -> IO () -- a) trace the command (at two levels of verbosity) @@ -759,57 +774,6 @@ traceCmd phase_name cmd_line action handle_exn verb exn = do { when (verb >= 2) (hPutStr stderr "\n") ; when (verb >= 3) (hPutStrLn stderr ("Failed: " ++ cmd_line ++ (show exn))) ; throwDyn (PhaseFailed phase_name (ExitFailure 1)) } - --- ----------------------------------------------------------------------------- --- rawSystem: run an external command - -#if __GLASGOW_HASKELL__ < 601 - --- This code is copied from System.Cmd on GHC 6.1. - -rawSystem :: FilePath -> [String] -> IO ExitCode - -#ifndef mingw32_TARGET_OS - -rawSystem cmd args = - withCString cmd $ \pcmd -> - withMany withCString (cmd:args) $ \cstrs -> - withArray0 nullPtr cstrs $ \arr -> do - status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmd arr) - case status of - 0 -> return ExitSuccess - n -> return (ExitFailure n) - -foreign import ccall "rawSystem" unsafe - c_rawSystem :: CString -> Ptr CString -> IO Int - -#else - --- On Windows, the command line is passed to the operating system as --- a single string. Command-line parsing is done by the executable --- itself. -rawSystem cmd args = do - -- NOTE: 'cmd' is assumed to contain the application to run _only_, - -- as it'll be quoted surrounded in quotes here. - let cmdline = translate cmd ++ concat (map ((' ':) . translate) args) - withCString cmdline $ \pcmdline -> do - status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmdline) - case status of - 0 -> return ExitSuccess - n -> return (ExitFailure n) - -translate :: String -> String -translate str@('"':_) = str -- already escaped. -translate str = '"' : foldr escape "\"" str - where escape '"' str = '\\' : '"' : str - escape '\\' str = '\\' : '\\' : str - escape c str = c : str - -foreign import ccall "rawSystem" unsafe - c_rawSystem :: CString -> IO Int - -#endif -#endif \end{code} @@ -893,14 +857,14 @@ getBaseDir = do let len = (2048::Int) -- plenty, PATH_MAX is 512 under Win32. where rootDir s = reverse (dropList "/bin/ghc.exe" (reverse (normalisePath s))) -foreign import stdcall "GetModuleFileNameA" unsafe +foreign import stdcall unsafe "GetModuleFileNameA" getModuleFileName :: Ptr () -> CString -> Int -> IO Int32 #else getBaseDir :: IO (Maybe String) = do return Nothing #endif #ifdef mingw32_HOST_OS -foreign import ccall "_getpid" unsafe getProcessID :: IO Int -- relies on Int == Int32 on Windows +foreign import ccall unsafe "_getpid" getProcessID :: IO Int -- relies on Int == Int32 on Windows #elif __GLASGOW_HASKELL__ > 504 getProcessID :: IO Int getProcessID = System.Posix.Internals.c_getpid >>= return . fromIntegral