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|
-----------------------------------------------------------------------------
--
-- Code generation for coverage
--
-- (c) Galois Connections, Inc. 2006
--
-----------------------------------------------------------------------------
module CgHpc (cgTickBox, initHpc, hpcTable) where
import OldCmm
import CLabel
import Module
import OldCmmUtils
import CgUtils
import CgMonad
import CgForeignCall
import ForeignCall
import ClosureInfo
import FastString
import HscTypes
import Panic
import BasicTypes
import Data.Char
import Data.Word
cgTickBox :: Module -> Int -> Code
cgTickBox mod n = do
let tick_box = (cmmIndex W64
(CmmLit $ CmmLabel $ mkHpcTicksLabel $ mod)
n
)
stmtsC [ CmmStore tick_box
(CmmMachOp (MO_Add W64)
[ CmmLoad tick_box b64
, CmmLit (CmmInt 1 W64)
])
]
hpcTable :: Module -> HpcInfo -> Code
hpcTable this_mod (HpcInfo hpc_tickCount _) = do
emitData ReadOnlyData
[ CmmDataLabel mkHpcModuleNameLabel
, CmmString $ map (fromIntegral . ord)
(full_name_str)
++ [0]
]
emitData Data $ [ CmmDataLabel (mkHpcTicksLabel this_mod)
] ++
[ CmmStaticLit (CmmInt 0 W64)
| _ <- take hpc_tickCount [0::Int ..]
]
where
module_name_str = moduleNameString (Module.moduleName this_mod)
full_name_str = if modulePackageId this_mod == mainPackageId
then module_name_str
else packageIdString (modulePackageId this_mod) ++ "/" ++
module_name_str
hpcTable _ (NoHpcInfo {}) = error "TODO: impossible"
initHpc :: Module -> HpcInfo -> Code
initHpc this_mod (HpcInfo tickCount hashNo)
= do { id <- newTemp bWord
; emitForeignCall'
PlayRisky
[CmmHinted id NoHint]
(CmmCallee
(CmmLit $ CmmLabel $ mkForeignLabel mod_alloc Nothing ForeignLabelInThisPackage IsFunction)
CCallConv
)
[ CmmHinted (mkLblExpr mkHpcModuleNameLabel) AddrHint
, CmmHinted (word32 tickCount) NoHint
, CmmHinted (word32 hashNo) NoHint
, CmmHinted (CmmLit $ CmmLabel $ mkHpcTicksLabel $ this_mod) AddrHint
]
(Just [])
NoC_SRT -- No SRT b/c we PlayRisky
CmmMayReturn
}
where
word32 i = CmmLit (CmmInt (fromIntegral (fromIntegral i :: Word32)) W32)
mod_alloc = mkFastString "hs_hpc_module"
initHpc _ (NoHpcInfo {}) = panic "initHpc: NoHpcInfo"
|
