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symbolic: Further split up simulateFunction

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This commit is contained in:
Langston Barrett 2024-09-04 16:02:23 -04:00
parent 2372f699da
commit 2033a7d20a
1 changed files with 34 additions and 6 deletions
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40
symbolic/src/Data/Macaw/Symbolic/Testing.hs
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@ -617,18 +617,46 @@ simulateFunction :: forall arch sym bak w solver scope st fs ext blocks
, CS.ExecResult (MS.MacawLazySimulatorState sym w) sym ext (CS.RegEntry sym (MS.ArchRegStruct arch)) , CS.ExecResult (MS.MacawLazySimulatorState sym w) sym ext (CS.RegEntry sym (MS.ArchRegStruct arch))
) )
simulateFunction bak execFeatures archVals halloc iMem g = do simulateFunction bak execFeatures archVals halloc iMem g = do
InitialMem initMem mmConf <- pure iMem
let ?ptrWidth = WI.knownRepr
(regs, sp, mem) <- defaultRegs bak archVals initMem
(memVar, res) <- simMacawCfg bak execFeatures archVals halloc mmConf mem regs g
pure (memVar, sp, res)
-- | Simulate a Macaw CFG, given initial registers and memory
simMacawCfg ::
( ext ~ MS.MacawExt arch
, CCE.IsSyntaxExtension ext
, CB.IsSymBackend sym bak
, CLM.HasLLVMAnn sym
, MS.SymArchConstraints arch
, w ~ MC.ArchAddrWidth arch
, 16 <= w
, sym ~ WE.ExprBuilder scope st fs
, bak ~ CBO.OnlineBackend solver scope st fs
, WPO.OnlineSolver solver
, ?memOpts :: CLM.MemOptions
) =>
bak ->
[CS.GenericExecutionFeature sym] ->
MS.ArchVals arch ->
CFH.HandleAllocator ->
MS.MemModelConfig (MS.MacawLazySimulatorState sym w) sym arch CLM.Mem ->
CLM.MemImpl sym ->
CS.RegEntry sym (MS.ArchRegStruct arch) ->
CCC.CFG ext blocks (Ctx.EmptyCtx Ctx.::> MS.ArchRegStruct arch) (MS.ArchRegStruct arch) ->
IO ( CS.GlobalVar CLM.Mem
, CS.ExecResult (MS.MacawLazySimulatorState sym w) sym ext (CS.RegEntry sym (MS.ArchRegStruct arch))
)
simMacawCfg bak execFeatures archVals halloc mmConf mem regs g = do
let sym = CB.backendGetSym bak let sym = CB.backendGetSym bak
let symArchFns = MS.archFunctions archVals let symArchFns = MS.archFunctions archVals
let crucRegTypes = MS.crucArchRegTypes symArchFns let crucRegTypes = MS.crucArchRegTypes symArchFns
let regsRepr = CT.StructRepr crucRegTypes let regsRepr = CT.StructRepr crucRegTypes
InitialMem initMem mmConf <- pure iMem
let ?ptrWidth = WI.knownRepr
(regs, sp, mem1) <- defaultRegs bak archVals initMem
memVar <- CLM.mkMemVar "macaw-symbolic:test-harness:llvm_memory" halloc memVar <- CLM.mkMemVar "macaw-symbolic:test-harness:llvm_memory" halloc
let lazySimSt = MS.emptyMacawLazySimulatorState let lazySimSt = MS.emptyMacawLazySimulatorState
let initGlobals = CSG.insertGlobal memVar mem1 CS.emptyGlobals let initGlobals = CSG.insertGlobal memVar mem CS.emptyGlobals
let arguments = CS.RegMap (Ctx.singleton regs) let arguments = CS.RegMap (Ctx.singleton regs)
let simAction = CS.runOverrideSim regsRepr (CS.regValue <$> CS.callCFG g arguments) let simAction = CS.runOverrideSim regsRepr (CS.regValue <$> CS.callCFG g arguments)
@ -638,7 +666,7 @@ simulateFunction bak execFeatures archVals halloc iMem g = do
let ctx = CS.initSimContext bak CLI.llvmIntrinsicTypes halloc IO.stdout (CS.FnBindings fnBindings) extImpl lazySimSt let ctx = CS.initSimContext bak CLI.llvmIntrinsicTypes halloc IO.stdout (CS.FnBindings fnBindings) extImpl lazySimSt
let s0 = CS.InitialState ctx initGlobals CS.defaultAbortHandler regsRepr simAction let s0 = CS.InitialState ctx initGlobals CS.defaultAbortHandler regsRepr simAction
res <- CS.executeCrucible (fmap CS.genericToExecutionFeature execFeatures) s0 res <- CS.executeCrucible (fmap CS.genericToExecutionFeature execFeatures) s0
return (memVar, sp, res) return (memVar, res)
-- | A wrapper around the symbolic backend that allows us to recover the online -- | A wrapper around the symbolic backend that allows us to recover the online
-- constraints when they are available -- constraints when they are available