X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcodeGen%2FCgForeignCall.hs;h=ac8e99eafebf7711307d839541816e01243f8ac9;hb=e4db45612e3efa59251239e1e0b8a0440783b966;hp=2086eb239cbfe8452926da6bb1f57169ef87c0db;hpb=ad94d40948668032189ad22a0ad741ac1f645f50;p=ghc-hetmet.git

diff --git a/compiler/codeGen/CgForeignCall.hs b/compiler/codeGen/CgForeignCall.hs
index 2086eb2..ac8e99e 100644
--- a/compiler/codeGen/CgForeignCall.hs
+++ b/compiler/codeGen/CgForeignCall.hs
@@ -1,3 +1,10 @@
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 -----------------------------------------------------------------------------
 --
 -- Code generation for foreign calls.
@@ -6,13 +13,6 @@
 --
 -----------------------------------------------------------------------------
 
-{-# OPTIONS -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
---     http://hackage.haskell.org/trac/ghc/wiki/CodingStyle#Warnings
--- for details
-
 module CgForeignCall (
   cgForeignCall,
   emitForeignCall,
@@ -24,8 +24,6 @@ module CgForeignCall (
   emitOpenNursery,
  ) where
 
-#include "HsVersions.h"
-
 import StgSyn
 import CgProf
 import CgBindery
@@ -43,6 +41,7 @@ import ClosureInfo
 import Constants
 import StaticFlags
 import Outputable
+import FastString
 
 import Control.Monad
 
@@ -50,7 +49,7 @@ import Control.Monad
 -- Code generation for Foreign Calls
 
 cgForeignCall
-	:: CmmHintFormals	-- where to put the results
+	:: CmmFormals	-- where to put the results
 	-> ForeignCall		-- the op
 	-> [StgArg]		-- arguments
 	-> StgLiveVars	-- live vars, in case we need to save them
@@ -64,15 +63,16 @@ cgForeignCall results fcall stg_args live
 	  	    | (stg_arg, (rep,expr)) <- stg_args `zip` reps_n_amodes, 
 	               nonVoidArg rep]
 
-	arg_hints = zip arg_exprs (map (typeHint.stgArgType) stg_args)
+	arg_hints = zipWith CmmHinted
+                      arg_exprs (map (typeHint.stgArgType) stg_args)
   -- in
   emitForeignCall results fcall arg_hints live
 
 
 emitForeignCall
-	:: CmmHintFormals	-- where to put the results
+	:: CmmFormals	-- where to put the results
 	-> ForeignCall		-- the op
-	-> [(CmmExpr,MachHint)] -- arguments
+	-> [CmmHinted CmmExpr] -- arguments
 	-> StgLiveVars	-- live vars, in case we need to save them
 	-> Code
 
@@ -86,14 +86,14 @@ emitForeignCall results (CCall (CCallSpec target cconv safety)) args live
 	= case target of
 	   StaticTarget lbl -> (args, CmmLit (CmmLabel 
 					(mkForeignLabel lbl call_size False)))
-	   DynamicTarget    ->  case args of (fn,_):rest -> (rest, fn)
+	   DynamicTarget    ->  case args of (CmmHinted fn _):rest -> (rest, fn)
 
 	-- in the stdcall calling convention, the symbol needs @size appended
 	-- to it, where size is the total number of bytes of arguments.  We
 	-- attach this info to the CLabel here, and the CLabel pretty printer
 	-- will generate the suffix when the label is printed.
       call_size
-	| StdCallConv <- cconv = Just (sum (map (arg_size.cmmExprRep.fst) args))
+	| StdCallConv <- cconv = Just (sum (map (arg_size.cmmExprRep.hintlessCmm) args))
 	| otherwise            = Nothing
 
 	-- ToDo: this might not be correct for 64-bit API
@@ -106,9 +106,9 @@ emitForeignCall _ (DNCall _) _ _
 -- alternative entry point, used by CmmParse
 emitForeignCall'
 	:: Safety
-	-> CmmHintFormals	-- where to put the results
+	-> CmmFormals	-- where to put the results
 	-> CmmCallTarget	-- the op
-	-> [(CmmExpr,MachHint)] -- arguments
+	-> [CmmHinted CmmExpr] -- arguments
 	-> Maybe [GlobalReg]	-- live vars, in case we need to save them
         -> C_SRT                -- the SRT of the calls continuation
         -> CmmReturnInfo
@@ -122,7 +122,7 @@ emitForeignCall' safety results target args vols srt ret
     stmtsC caller_load
 
   | otherwise = do
-    -- Both 'id' and 'new_base' are KindNonPtr because they're
+    -- Both 'id' and 'new_base' are GCKindNonPtr because they're
     -- RTS only objects and are not subject to garbage collection
     id <- newNonPtrTemp wordRep
     new_base <- newNonPtrTemp (cmmRegRep (CmmGlobal BaseReg))
@@ -137,13 +137,13 @@ emitForeignCall' safety results target args vols srt ret
     -- and the CPS will will be the one to convert that
     -- to this sequence of three CmmUnsafe calls.
     stmtC (CmmCall (CmmCallee suspendThread CCallConv) 
-			[ (id,PtrHint) ]
-			[ (CmmReg (CmmGlobal BaseReg), PtrHint) ] 
+			[ CmmHinted id PtrHint ]
+			[ CmmHinted (CmmReg (CmmGlobal BaseReg)) PtrHint ] 
 			CmmUnsafe ret)
     stmtC (CmmCall temp_target results temp_args CmmUnsafe ret)
     stmtC (CmmCall (CmmCallee resumeThread CCallConv) 
-			[ (new_base, PtrHint) ]
-			[ (CmmReg (CmmLocal id), PtrHint) ]
+			[ CmmHinted new_base PtrHint ]
+			[ CmmHinted (CmmReg (CmmLocal id)) PtrHint ]
 			CmmUnsafe ret)
     -- Assign the result to BaseReg: we
     -- might now have a different Capability!
@@ -151,8 +151,8 @@ emitForeignCall' safety results target args vols srt ret
     stmtsC caller_load
     emitLoadThreadState
 
-suspendThread = CmmLit (CmmLabel (mkRtsCodeLabel SLIT("suspendThread")))
-resumeThread  = CmmLit (CmmLabel (mkRtsCodeLabel SLIT("resumeThread")))
+suspendThread = CmmLit (CmmLabel (mkRtsCodeLabel (sLit "suspendThread")))
+resumeThread  = CmmLit (CmmLabel (mkRtsCodeLabel (sLit "resumeThread")))
 
 
 -- we might need to load arguments into temporaries before
@@ -163,9 +163,9 @@ resumeThread  = CmmLit (CmmLabel (mkRtsCodeLabel SLIT("resumeThread")))
 -- This is a HACK; really it should be done in the back end, but
 -- it's easier to generate the temporaries here.
 load_args_into_temps = mapM arg_assign_temp
-  where arg_assign_temp (e,hint) = do
+  where arg_assign_temp (CmmHinted e hint) = do
 	   tmp <- maybe_assign_temp e
-	   return (tmp,hint)
+	   return (CmmHinted tmp hint)
 	
 load_target_into_temp (CmmCallee expr conv) = do 
   tmp <- maybe_assign_temp expr