Generate in the @size suffix for a stdcall symbol properly.
(call_args, cmm_target)
= case target of
StaticTarget lbl -> (args, CmmLit (CmmLabel
(call_args, cmm_target)
= case target of
StaticTarget lbl -> (args, CmmLit (CmmLabel
- (mkForeignLabel lbl Nothing False)))
- -- ToDo: what about the size here?
- -- it is currently tacked on by the NCG.
+ (mkForeignLabel lbl call_size False)))
DynamicTarget -> case args of (fn,_):rest -> (rest, fn)
the_call vols = CmmCall (CmmForeignCall cmm_target cconv)
results call_args (Just vols)
DynamicTarget -> case args of (fn,_):rest -> (rest, fn)
the_call vols = CmmCall (CmmForeignCall cmm_target cconv)
results call_args (Just vols)
+ -- 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))
+ | otherwise = Nothing
+
+ -- ToDo: this might not be correct for 64-bit API
+ arg_size rep = max (machRepByteWidth rep) wORD_SIZE
+
emitForeignCall results (DNCall _) args live
= panic "emitForeignCall: DNCall"
emitForeignCall results (DNCall _) args live
= panic "emitForeignCall: DNCall"