module StaticFlags (
parseStaticFlags,
staticFlags,
+ initStaticOpts,
-- Ways
- WayName(..), v_Ways, v_Build_tag, v_RTS_Build_tag,
+ WayName(..), v_Ways, v_Build_tag, v_RTS_Build_tag, isRTSWay,
-- Output style options
opt_PprUserLength,
+ opt_SuppressUniques,
opt_PprStyle_Debug,
-- profiling opts
opt_SccProfilingOn,
opt_DoTickyProfiling,
+ -- Hpc opts
+ opt_Hpc,
+
-- language opts
opt_DictsStrict,
opt_IrrefutableTuples,
opt_Parallel,
opt_RuntimeTypes,
- opt_Flatten,
-- optimisation opts
opt_NoMethodSharing,
opt_NoStateHack,
- opt_LiberateCaseThreshold,
+ opt_SpecInlineJoinPoints,
opt_CprOff,
- opt_RulesOff,
opt_SimplNoPreInlining,
opt_SimplExcessPrecision,
opt_MaxWorkerArgs,
opt_UF_UseThreshold,
opt_UF_FunAppDiscount,
opt_UF_KeenessFactor,
- opt_UF_UpdateInPlace,
opt_UF_DearOp,
+ -- Related to linking
+ opt_PIC,
+ opt_Static,
+
-- misc opts
opt_IgnoreDotGhci,
opt_ErrorSpans,
opt_HiVersion,
opt_HistorySize,
opt_OmitBlackHoling,
- opt_Static,
opt_Unregisterised,
opt_EmitExternalCore,
- opt_PIC,
v_Ld_inputs,
+ tablesNextToCode
) where
#include "HsVersions.h"
import CmdLineParser
-import Config ( cProjectVersionInt, cProjectPatchLevel,
- cGhcUnregisterised )
-import FastString ( FastString, mkFastString )
+import Config
+import FastString
import Util
import Maybes ( firstJust )
-import Panic ( GhcException(..), ghcError )
+import Panic
-import EXCEPTION ( throwDyn )
-import DATA_IOREF
-import UNSAFE_IO ( unsafePerformIO )
-import Monad ( when )
-import Char ( isDigit )
-import Data.List ( sort, intersperse, nub )
+import Control.Exception ( throwDyn )
+import Data.IORef
+import System.IO.Unsafe ( unsafePerformIO )
+import Control.Monad ( when )
+import Data.Char ( isDigit )
+import Data.List
-----------------------------------------------------------------------------
-- Static flags
parseStaticFlags :: [String] -> IO [String]
parseStaticFlags args = do
+ ready <- readIORef v_opt_C_ready
+ when ready $ throwDyn (ProgramError "Too late for parseStaticFlags: call it before newSession")
+
(leftover, errs) <- processArgs static_flags args
when (not (null errs)) $ throwDyn (UsageError (unlines errs))
-- deal with the way flags: the way (eg. prof) gives rise to
- -- futher flags, some of which might be static.
+ -- further flags, some of which might be static.
way_flags <- findBuildTag
-- if we're unregisterised, add some more flags
| otherwise = []
(more_leftover, errs) <- processArgs static_flags (unreg_flags ++ way_flags)
+
+ -- see sanity code in staticOpts
+ writeIORef v_opt_C_ready True
+
+ -- TABLES_NEXT_TO_CODE affects the info table layout.
+ -- Be careful to do this *after* all processArgs,
+ -- because evaluating tablesNextToCode involves looking at the global
+ -- static flags. Those pesky global variables...
+ let cg_flags | tablesNextToCode = ["-optc-DTABLES_NEXT_TO_CODE"]
+ | otherwise = []
+
+ -- HACK: -fexcess-precision is both a static and a dynamic flag. If
+ -- the static flag parser has slurped it, we must return it as a
+ -- leftover too. ToDo: make -fexcess-precision dynamic only.
+ let excess_prec | opt_SimplExcessPrecision = ["-fexcess-precision"]
+ | otherwise = []
+
when (not (null errs)) $ ghcError (UsageError (unlines errs))
- return (more_leftover++leftover)
+ return (excess_prec++cg_flags++more_leftover++leftover)
+
+initStaticOpts :: IO ()
+initStaticOpts = writeIORef v_opt_C_ready True
+static_flags :: [(String, OptKind IO)]
+-- All the static flags should appear in this list. It describes how each
+-- static flag should be processed. Two main purposes:
+-- (a) if a command-line flag doesn't appear in the list, GHC can complain
+-- (b) a command-line flag may remove, or add, other flags; e.g. the "-fno-X" things
+--
+-- The common (PassFlag addOpt) action puts the static flag into the bunch of
+-- things that are searched up by the top-level definitions like
+-- opt_foo = lookUp FSLIT("-dfoo")
--- note that ordering is important in the following list: any flag which
+-- Note that ordering is important in the following list: any flag which
-- is a prefix flag (i.e. HasArg, Prefix, OptPrefix, AnySuffix) will override
-- flags further down the list with the same prefix.
-static_flags :: [(String, OptKind IO)]
static_flags = [
------- GHCi -------------------------------------------------------
( "ignore-dot-ghci", PassFlag addOpt )
------- ways --------------------------------------------------------
, ( "prof" , NoArg (addWay WayProf) )
- , ( "unreg" , NoArg (addWay WayUnreg) )
, ( "ticky" , NoArg (addWay WayTicky) )
, ( "parallel" , NoArg (addWay WayPar) )
, ( "gransim" , NoArg (addWay WayGran) )
-- ToDo: user ways
------ Debugging ----------------------------------------------------
- , ( "dppr-noprags", PassFlag addOpt )
- , ( "dppr-debug", PassFlag addOpt )
- , ( "dppr-user-length", AnySuffix addOpt )
+ , ( "dppr-debug", PassFlag addOpt )
+ , ( "dsuppress-uniques", PassFlag addOpt )
+ , ( "dppr-user-length", AnySuffix addOpt )
-- rest of the debugging flags are dynamic
--------- Profiling --------------------------------------------------
, ( "f", AnySuffixPred (isStaticFlag) addOpt )
]
+addOpt :: String -> IO ()
addOpt = consIORef v_opt_C
+addWay :: WayName -> IO ()
addWay = consIORef v_Ways
+removeOpt :: String -> IO ()
removeOpt f = do
fs <- readIORef v_opt_C
writeIORef v_opt_C $! filter (/= f) fs
-- holds the static opts while they're being collected, before
-- being unsafely read by unpacked_static_opts below.
GLOBAL_VAR(v_opt_C, defaultStaticOpts, [String])
-staticFlags = unsafePerformIO (readIORef v_opt_C)
+GLOBAL_VAR(v_opt_C_ready, False, Bool)
+
+staticFlags :: [String]
+staticFlags = unsafePerformIO $ do
+ ready <- readIORef v_opt_C_ready
+ if (not ready)
+ then panic "Static flags have not been initialised!\n Please call GHC.newSession or GHC.parseStaticFlags early enough."
+ else readIORef v_opt_C
-- -static is the default
+defaultStaticOpts :: [String]
defaultStaticOpts = ["-static"]
+packed_static_opts :: [FastString]
packed_static_opts = map mkFastString staticFlags
lookUp sw = sw `elem` packed_static_opts
expandAts l = [l]
-}
-
+opt_IgnoreDotGhci :: Bool
opt_IgnoreDotGhci = lookUp FSLIT("-ignore-dot-ghci")
-- debugging opts
+opt_SuppressUniques :: Bool
+opt_SuppressUniques = lookUp FSLIT("-dsuppress-uniques")
+opt_PprStyle_Debug :: Bool
opt_PprStyle_Debug = lookUp FSLIT("-dppr-debug")
+opt_PprUserLength :: Int
opt_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name
-- profiling opts
+opt_AutoSccsOnAllToplevs :: Bool
opt_AutoSccsOnAllToplevs = lookUp FSLIT("-fauto-sccs-on-all-toplevs")
+opt_AutoSccsOnExportedToplevs :: Bool
opt_AutoSccsOnExportedToplevs = lookUp FSLIT("-fauto-sccs-on-exported-toplevs")
+opt_AutoSccsOnIndividualCafs :: Bool
opt_AutoSccsOnIndividualCafs = lookUp FSLIT("-fauto-sccs-on-individual-cafs")
+opt_SccProfilingOn :: Bool
opt_SccProfilingOn = lookUp FSLIT("-fscc-profiling")
-opt_DoTickyProfiling = lookUp FSLIT("-fticky-ticky")
+opt_DoTickyProfiling :: Bool
+opt_DoTickyProfiling = WayTicky `elem` (unsafePerformIO $ readIORef v_Ways)
+
+-- Hpc opts
+opt_Hpc :: Bool
+opt_Hpc = lookUp FSLIT("-fhpc")
-- language opts
+opt_DictsStrict :: Bool
opt_DictsStrict = lookUp FSLIT("-fdicts-strict")
+opt_IrrefutableTuples :: Bool
opt_IrrefutableTuples = lookUp FSLIT("-firrefutable-tuples")
+opt_Parallel :: Bool
opt_Parallel = lookUp FSLIT("-fparallel")
-opt_Flatten = lookUp FSLIT("-fflatten")
-- optimisation opts
+opt_SpecInlineJoinPoints :: Bool
+opt_SpecInlineJoinPoints = lookUp FSLIT("-fspec-inline-join-points")
+opt_NoStateHack :: Bool
opt_NoStateHack = lookUp FSLIT("-fno-state-hack")
+opt_NoMethodSharing :: Bool
opt_NoMethodSharing = lookUp FSLIT("-fno-method-sharing")
+opt_CprOff :: Bool
opt_CprOff = lookUp FSLIT("-fcpr-off")
-opt_RulesOff = lookUp FSLIT("-frules-off")
-- Switch off CPR analysis in the new demand analyser
-opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int)
+opt_MaxWorkerArgs :: Int
opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int)
+opt_GranMacros :: Bool
opt_GranMacros = lookUp FSLIT("-fgransim")
-opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Int
+opt_HiVersion :: Integer
+opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Integer
+opt_HistorySize :: Int
opt_HistorySize = lookup_def_int "-fhistory-size" 20
+opt_OmitBlackHoling :: Bool
opt_OmitBlackHoling = lookUp FSLIT("-dno-black-holing")
+opt_RuntimeTypes :: Bool
opt_RuntimeTypes = lookUp FSLIT("-fruntime-types")
-- Simplifier switches
+opt_SimplNoPreInlining :: Bool
opt_SimplNoPreInlining = lookUp FSLIT("-fno-pre-inlining")
-- NoPreInlining is there just to see how bad things
-- get if you don't do it!
+opt_SimplExcessPrecision :: Bool
opt_SimplExcessPrecision = lookUp FSLIT("-fexcess-precision")
-- Unfolding control
+opt_UF_CreationThreshold :: Int
opt_UF_CreationThreshold = lookup_def_int "-funfolding-creation-threshold" (45::Int)
+opt_UF_UseThreshold :: Int
opt_UF_UseThreshold = lookup_def_int "-funfolding-use-threshold" (8::Int) -- Discounts can be big
+opt_UF_FunAppDiscount :: Int
opt_UF_FunAppDiscount = lookup_def_int "-funfolding-fun-discount" (6::Int) -- It's great to inline a fn
+opt_UF_KeenessFactor :: Float
opt_UF_KeenessFactor = lookup_def_float "-funfolding-keeness-factor" (1.5::Float)
-opt_UF_UpdateInPlace = lookUp FSLIT("-funfolding-update-in-place")
+opt_UF_DearOp :: Int
opt_UF_DearOp = ( 4 :: Int)
-
+
+opt_PIC :: Bool
+#if darwin_TARGET_OS && x86_64_TARGET_ARCH
+opt_PIC = True
+#else
+opt_PIC = lookUp FSLIT("-fPIC")
+#endif
+opt_Static :: Bool
opt_Static = lookUp FSLIT("-static")
+opt_Unregisterised :: Bool
opt_Unregisterised = lookUp FSLIT("-funregisterised")
+
+-- Derived, not a real option. Determines whether we will be compiling
+-- info tables that reside just before the entry code, or with an
+-- indirection to the entry code. See TABLES_NEXT_TO_CODE in
+-- includes/InfoTables.h.
+tablesNextToCode :: Bool
+tablesNextToCode = not opt_Unregisterised
+ && cGhcEnableTablesNextToCode == "YES"
+
+opt_EmitExternalCore :: Bool
opt_EmitExternalCore = lookUp FSLIT("-fext-core")
-- Include full span info in error messages, instead of just the start position.
+opt_ErrorSpans :: Bool
opt_ErrorSpans = lookUp FSLIT("-ferror-spans")
-opt_PIC = lookUp FSLIT("-fPIC")
-- object files and libraries to be linked in are collected here.
-- ToDo: perhaps this could be done without a global, it wasn't obvious
-- how to do it though --SDM.
GLOBAL_VAR(v_Ld_inputs, [], [String])
+isStaticFlag :: String -> Bool
isStaticFlag f =
f `elem` [
"fauto-sccs-on-all-toplevs",
"fauto-sccs-on-exported-toplevs",
"fauto-sccs-on-individual-cafs",
"fscc-profiling",
- "fticky-ticky",
"fdicts-strict",
+ "fspec-inline-join-points",
"firrefutable-tuples",
"fparallel",
- "fflatten",
"fgransim",
"fno-hi-version-check",
"dno-black-holing",
"fruntime-types",
"fno-pre-inlining",
"fexcess-precision",
- "funfolding-update-in-place",
"static",
+ "fhardwire-lib-paths",
"funregisterised",
"fext-core",
- "frules-off",
"fcpr-off",
"ferror-spans",
- "fPIC"
+ "fPIC",
+ "fhpc"
]
- || any (flip prefixMatch f) [
+ || any (`isPrefixOf` f) [
"fliberate-case-threshold",
"fmax-worker-args",
"fhistory-size",
| c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000)
| otherwise = throwDyn (CmdLineError ("can't decode size: " ++ str))
where (m, c) = span pred str
- n = read m :: Double
+ n = readRational m
pred c = isDigit c || c == '.'
-----------------------------------------------------------------------------
-- RTS Hooks
-#if __GLASGOW_HASKELL__ >= 504
foreign import ccall unsafe "setHeapSize" setHeapSize :: Int -> IO ()
foreign import ccall unsafe "enableTimingStats" enableTimingStats :: IO ()
-#else
-foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO ()
-foreign import "enableTimingStats" unsafe enableTimingStats :: IO ()
-#endif
-----------------------------------------------------------------------------
-- Ways
= WayThreaded
| WayDebug
| WayProf
- | WayUnreg
| WayTicky
| WayPar
| WayGran
GLOBAL_VAR(v_Ways, [] ,[WayName])
+allowed_combination :: [WayName] -> Bool
allowed_combination way = and [ x `allowedWith` y
| x <- way, y <- way, x < y ]
where
_ `allowedWith` WayDebug = True
WayDebug `allowedWith` _ = True
- WayProf `allowedWith` WayUnreg = True
WayProf `allowedWith` WayNDP = True
+ WayThreaded `allowedWith` WayProf = True
_ `allowedWith` _ = False
findBuildTag = do
way_names <- readIORef v_Ways
let ws = sort (nub way_names)
+
if not (allowed_combination ws)
then throwDyn (CmdLineError $
"combination not supported: " ++
writeIORef v_RTS_Build_tag rts_tag
return (concat flags)
+
+
mkBuildTag :: [Way] -> String
mkBuildTag ways = concat (intersperse "_" (map wayTag ways))
+lkupWay :: WayName -> Way
lkupWay w =
case lookup w way_details of
Nothing -> error "findBuildTag"
Just details -> details
+isRTSWay :: WayName -> Bool
+isRTSWay = wayRTSOnly . lkupWay
+
data Way = Way {
wayTag :: String,
wayRTSOnly :: Bool,
, "-DPROFILING"
, "-optc-DPROFILING" ]),
- (WayTicky, Way "t" False "Ticky-ticky Profiling"
- [ "-fticky-ticky"
- , "-DTICKY_TICKY"
+ (WayTicky, Way "t" True "Ticky-ticky Profiling"
+ [ "-DTICKY_TICKY"
, "-optc-DTICKY_TICKY" ]),
- (WayUnreg, Way "u" False "Unregisterised"
- unregFlags ),
-
-- optl's below to tell linker where to find the PVM library -- HWL
(WayPar, Way "mp" False "Parallel"
[ "-fparallel"
(WayNDP, Way "ndp" False "Nested data parallelism"
[ "-fparr"
- , "-fflatten"]),
+ , "-fvectorise"]),
(WayUser_a, Way "a" False "User way 'a'" ["$WAY_a_REAL_OPTS"]),
(WayUser_b, Way "b" False "User way 'b'" ["$WAY_b_REAL_OPTS"]),
(WayUser_B, Way "B" False "User way 'B'" ["$WAY_B_REAL_OPTS"])
]
+unregFlags :: [String]
unregFlags =
[ "-optc-DNO_REGS"
, "-optc-DUSE_MINIINTERPRETER"
projects / ghc-hetmet.git / blobdiff