Lines Matching defs:FunctionStackPoisoner

835 struct FunctionStackPoisoner : public InstVisitor<FunctionStackPoisoner> {  struct
836   Function &F;
837   AddressSanitizer &ASan;
838   DIBuilder DIB;
839   LLVMContext *C;
840   Type *IntptrTy;
841   Type *IntptrPtrTy;
842   ShadowMapping Mapping;
844   SmallVector<AllocaInst *, 16> AllocaVec;
845   SmallVector<AllocaInst *, 16> StaticAllocasToMoveUp;
846   SmallVector<Instruction *, 8> RetVec;
847   unsigned StackAlignment;
849   Function *AsanStackMallocFunc[kMaxAsanStackMallocSizeClass + 1],
850       *AsanStackFreeFunc[kMaxAsanStackMallocSizeClass + 1];
851   Function *AsanSetShadowFunc[0x100] = {};
852   Function *AsanPoisonStackMemoryFunc, *AsanUnpoisonStackMemoryFunc;
853   Function *AsanAllocaPoisonFunc, *AsanAllocasUnpoisonFunc;
856   struct AllocaPoisonCall {
862   SmallVector<AllocaPoisonCall, 8> DynamicAllocaPoisonCallVec;
863   SmallVector<AllocaPoisonCall, 8> StaticAllocaPoisonCallVec;
865   SmallVector<AllocaInst *, 1> DynamicAllocaVec;
866   SmallVector<IntrinsicInst *, 1> StackRestoreVec;
867   AllocaInst *DynamicAllocaLayout = nullptr;
868   IntrinsicInst *LocalEscapeCall = nullptr;
871   using AllocaForValueMapTy = DenseMap<Value *, AllocaInst *>;
872   AllocaForValueMapTy AllocaForValue;
874   bool HasNonEmptyInlineAsm = false;
875   bool HasReturnsTwiceCall = false;
876   std::unique_ptr<CallInst> EmptyInlineAsm;
878   FunctionStackPoisoner(Function &F, AddressSanitizer &ASan)  in FunctionStackPoisoner()  function
889   bool runOnFunction() {  in runOnFunction()
926   void visitReturnInst(ReturnInst &RI) { RetVec.push_back(&RI); }  in visitReturnInst()
929   void visitResumeInst(ResumeInst &RI) { RetVec.push_back(&RI); }  in visitResumeInst()
932   void visitCleanupReturnInst(CleanupReturnInst &CRI) { RetVec.push_back(&CRI); }  in visitCleanupReturnInst()
934   void unpoisonDynamicAllocasBeforeInst(Instruction *InstBefore,  in unpoisonDynamicAllocasBeforeInst()
958   void unpoisonDynamicAllocas() {  in unpoisonDynamicAllocas()
980   void visitAllocaInst(AllocaInst &AI) {  in visitAllocaInst()
1002   void visitIntrinsicInst(IntrinsicInst &II) {  in visitIntrinsicInst()
1032   void visitCallSite(CallSite CS) {  in visitCallSite()
1045   bool doesDominateAllExits(const Instruction *I) const {  in doesDominateAllExits()