where -- The calling conventions (CgCallConv.hs) are complicated, to say the least
regs = if isCall then
case (reps, conv) of
- (_, Native) -> getRegsWithoutNode
+ (_, NativeCall) -> getRegsWithoutNode
(_, GC ) -> getRegsWithNode
- (_, PrimOp) -> allRegs
+ (_, PrimOpCall) -> allRegs
(_, Slow ) -> noRegs
- (_, _ ) -> getRegsWithoutNode
+ _ -> panic "Unknown calling convention"
else
case (reps, conv) of
([_], _) -> allRegs
- (_, Native) -> getRegsWithNode
+ (_, NativeCall) -> getRegsWithNode
+ (_, NativeReturn) -> getRegsWithNode
(_, GC ) -> getRegsWithNode
- (_, PrimOp) -> getRegsWithNode
+ (_, PrimOpCall) -> getRegsWithNode
+ (_, PrimOpReturn) -> getRegsWithNode
(_, Slow ) -> noRegs
- (_, _ ) -> getRegsWithNode
+ _ -> pprPanic "Unknown calling convention" (ppr conv)
(sizes, assignments) = unzip $ assignArguments' reps (sum sizes) regs
assignArguments' [] _ _ = []
assignArguments' (r:rs) offset avails =
do g <- lgraphOfAGraph emptyAGraph
return ((0, Nothing), g)
toZgraph fun_name args g@(ListGraph (BasicBlock id ss : other_blocks)) =
- let (offset, entry) = mkEntry id Native args in
+ let (offset, entry) = mkEntry id NativeCall args in
do g <- labelAGraph id $
entry <*> mkStmts ss <*> foldr addBlock emptyAGraph other_blocks
return ((offset, Nothing), g)
get_hints _other_conv _vd = repeat NoHint
get_conv :: MidCallTarget -> Convention
-get_conv (PrimTarget _) = Native
+get_conv (PrimTarget _) = NativeCall
get_conv (ForeignTarget _ fc) = Foreign fc
cmm_target :: MidCallTarget -> CmmCallTarget
toCall e cont updfr_off res_space arg_space =
LastCall e cont arg_space res_space (Just updfr_off)
mkJump e actuals updfr_off =
- lastWithArgs Jump old Native actuals updfr_off $ toCall e Nothing updfr_off 0
+ lastWithArgs Jump old NativeCall actuals updfr_off $ toCall e Nothing updfr_off 0
mkJumpGC e actuals updfr_off =
lastWithArgs Jump old GC actuals updfr_off $ toCall e Nothing updfr_off 0
mkForeignJump conv e actuals updfr_off =
lastWithArgs Jump old conv actuals updfr_off $ toCall e Nothing updfr_off 0
mkReturn e actuals updfr_off =
- lastWithArgs Ret old Native actuals updfr_off $ toCall e Nothing updfr_off 0
+ lastWithArgs Ret old NativeReturn actuals updfr_off $ toCall e Nothing updfr_off 0
-- where e = CmmLoad (CmmStackSlot (CallArea Old) updfr_off) gcWord
mkReturnSimple actuals updfr_off =
- lastWithArgs Ret old Native actuals updfr_off $ toCall e Nothing updfr_off 0
+ lastWithArgs Ret old NativeReturn actuals updfr_off $ toCall e Nothing updfr_off 0
where e = CmmLoad (CmmStackSlot (CallArea Old) updfr_off) gcWord
mkFinalCall f _ actuals updfr_off =
- lastWithArgs Call old Native actuals updfr_off $ toCall f Nothing updfr_off 0
+ lastWithArgs Call old NativeCall actuals updfr_off $ toCall f Nothing updfr_off 0
-mkCmmCall f results actuals = mkCall f Native results actuals
+mkCmmCall f results actuals = mkCall f NativeCall results actuals
-- I'm dropping the SRT, but that should be okay: we plan to reconstruct it later.
mkCall f conv results actuals updfr_off =
deriving Eq
data Convention
- = Native -- Native C-- call/return
+ = NativeCall -- Native C-- call
+
+ | NativeReturn -- Native C-- return
| Slow -- Slow entry points: all args pushed on the stack
| GC -- Entry to the garbage collector: uses the node reg!
- | PrimOp -- Calling prim ops
+ | PrimOpCall -- Calling prim ops
+
+ | PrimOpReturn -- Returning from prim ops
| Foreign -- Foreign call/return
ForeignConvention
]
pprConvention :: Convention -> SDoc
-pprConvention (Native {}) = text "<native-convention>"
-pprConvention Slow = text "<slow-convention>"
-pprConvention GC = text "<gc-convention>"
-pprConvention PrimOp = text "<primop-convention>"
-pprConvention (Foreign c) = ppr c
-pprConvention (Private {}) = text "<private-convention>"
+pprConvention (NativeCall {}) = text "<native-call-convention>"
+pprConvention (NativeReturn {}) = text "<native-ret-convention>"
+pprConvention Slow = text "<slow-convention>"
+pprConvention GC = text "<gc-convention>"
+pprConvention PrimOpCall = text "<primop-call-convention>"
+pprConvention PrimOpReturn = text "<primop-ret-convention>"
+pprConvention (Foreign c) = ppr c
+pprConvention (Private {}) = text "<private-convention>"
pprForeignConvention :: ForeignConvention -> SDoc
pprForeignConvention (ForeignConvention c as rs) = ppr c <> ppr as <> ppr rs
; [ret,call] <- forkAlts [
getCode $ emitReturn [fun], -- Is tagged; no need to untag
getCode $ do emit (mkAssign nodeReg fun)
- emitCall Native (entryCode fun') []] -- Not tagged
+ emitCall NativeCall (entryCode fun') []] -- Not tagged
; emit (mkCmmIfThenElse (cmmIsTagged fun) ret call) }
SlowCall -> do -- A slow function call via the RTS apply routines
<+> ppr args <+> ppr reps )
| null rest_reps -- Precisely the right number of arguments
- = emitCall Native target args
+ = emitCall NativeCall target args
| otherwise -- Over-saturated call
= ASSERT( arity == length initial_reps )
do { pap_id <- newTemp gcWord
; withSequel (AssignTo [pap_id] True)
- (emitCall Native target fast_args)
+ (emitCall NativeCall target fast_args)
; slow_call (CmmReg (CmmLocal pap_id))
rest_args rest_reps }
where
; setState $ state { cgs_tops = cgs_tops state `snocOL` proc_block } }
emitProc :: CmmInfo -> CLabel -> CmmFormals -> CmmAGraph -> FCode ()
-emitProc = emitProcWithConvention Native
+emitProc = emitProcWithConvention NativeCall
emitSimpleProc :: CLabel -> CmmAGraph -> FCode ()
emitSimpleProc lbl code =
| primOpOutOfLine primop
= do { cmm_args <- getNonVoidArgAmodes args
; let fun = CmmLit (CmmLabel (mkRtsPrimOpLabel primop))
- ; emitCall PrimOp fun cmm_args }
+ ; emitCall PrimOpCall fun cmm_args }
| ReturnsPrim VoidRep <- result_info
= do cgPrimOp [] primop args
where
call updfr_off =
if safe then
- mkCall fun_expr Native res' args' updfr_off
+ mkCall fun_expr NativeCall res' args' updfr_off
else
mkUnsafeCall (ForeignTarget fun_expr
(ForeignConvention CCallConv arg_hints res_hints)) res' args'