-- misc opts
opt_IgnoreDotGhci,
opt_ErrorSpans,
- opt_EmitCExternDecls,
opt_GranMacros,
opt_HiVersion,
opt_HistorySize,
opt_EmitExternalCore,
opt_PIC,
v_Ld_inputs,
+ tablesNextToCode
) where
#include "HsVersions.h"
-import Util ( consIORef )
import CmdLineParser
-import Config ( cProjectVersionInt, cProjectPatchLevel,
- cGhcUnregisterised )
+import Config
import FastString ( FastString, mkFastString )
import Util
import Maybes ( firstJust )
import Panic ( GhcException(..), ghcError )
-import EXCEPTION ( throwDyn )
-import DATA_IOREF
-import UNSAFE_IO ( unsafePerformIO )
-import Monad ( when )
-import Char ( isDigit )
+import Control.Exception ( throwDyn )
+import Data.IORef
+import System.IO.Unsafe ( unsafePerformIO )
+import Control.Monad ( when )
+import Data.Char ( isDigit )
import Data.List ( sort, intersperse, nub )
-----------------------------------------------------------------------------
| otherwise = []
(more_leftover, errs) <- processArgs static_flags (unreg_flags ++ way_flags)
+
+ -- 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 = []
+
when (not (null errs)) $ ghcError (UsageError (unlines errs))
- return (more_leftover++leftover)
+ return (cg_flags++more_leftover++leftover)
-- note that ordering is important in the following list: any flag which
opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int)
opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int)
-opt_EmitCExternDecls = lookUp FSLIT("-femit-extern-decls")
opt_GranMacros = lookUp FSLIT("-fgransim")
opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Int
opt_HistorySize = lookup_def_int "-fhistory-size" 20
opt_Static = lookUp FSLIT("-static")
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 = not opt_Unregisterised
+ && cGhcEnableTablesNextToCode == "YES"
+
opt_EmitExternalCore = lookUp FSLIT("-fext-core")
-- Include full span info in error messages, instead of just the start position.
"firrefutable-tuples",
"fparallel",
"fflatten",
- "femit-extern-decls",
"fgransim",
"fno-hi-version-check",
"dno-black-holing",