Add SpecialCaseList::createOrDie() factory and use it in sanitizer passes
authorAlexey Samsonov <samsonov@google.com>
Mon, 12 Aug 2013 11:46:09 +0000 (11:46 +0000)
committerAlexey Samsonov <samsonov@google.com>
Mon, 12 Aug 2013 11:46:09 +0000 (11:46 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188169 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Utils/SpecialCaseList.h
lib/Transforms/Instrumentation/AddressSanitizer.cpp
lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
lib/Transforms/Instrumentation/MemorySanitizer.cpp
lib/Transforms/Instrumentation/ThreadSanitizer.cpp
lib/Transforms/Utils/SpecialCaseList.cpp

index 36ee604a1a61693fb3019235347b0581bf6523b2..34396fd34b4aa4002bc93ff189a41509fb0707c3 100644 (file)
@@ -68,6 +68,9 @@ class SpecialCaseList {
   /// Parses the special case list from a memory buffer. On failure, returns
   /// 0 and writes an error message to string.
   static SpecialCaseList *create(const MemoryBuffer *MB, std::string &Error);
+  /// Parses the special case list from a file. On failure, reports a fatal
+  /// error.
+  static SpecialCaseList *createOrDie(const StringRef Path);
 
   ~SpecialCaseList();
 
index 755652201775c471c4126d22bf1d0454fe5923d5..2ee3e010373e877d0b93232ee61b420bb4ab7b33 100644 (file)
@@ -883,7 +883,7 @@ bool AddressSanitizerModule::runOnModule(Module &M) {
   TD = getAnalysisIfAvailable<DataLayout>();
   if (!TD)
     return false;
-  BL.reset(new SpecialCaseList(BlacklistFile));
+  BL.reset(SpecialCaseList::createOrDie(BlacklistFile));
   if (BL->isIn(M)) return false;
   C = &(M.getContext());
   int LongSize = TD->getPointerSizeInBits();
@@ -1076,7 +1076,7 @@ bool AddressSanitizer::doInitialization(Module &M) {
 
   if (!TD)
     return false;
-  BL.reset(new SpecialCaseList(BlacklistFile));
+  BL.reset(SpecialCaseList::createOrDie(BlacklistFile));
   DynamicallyInitializedGlobals.Init(M);
 
   C = &(M.getContext());
index 0bbbfefe9aed93a1654202ee373cd3812aefce51..f5531e00676ccd43fd304b3993eb5d7a062979fe 100644 (file)
@@ -129,7 +129,7 @@ class DataFlowSanitizer : public ModulePass {
   Constant *DFSanUnionFn;
   Constant *DFSanUnionLoadFn;
   MDNode *ColdCallWeights;
-  SpecialCaseList Greylist;
+  OwningPtr<SpecialCaseList> Greylist;
   DenseMap<Value *, Function *> UnwrappedFnMap;
 
   Value *getShadowAddress(Value *Addr, Instruction *Pos);
@@ -211,7 +211,7 @@ ModulePass *llvm::createDataFlowSanitizerPass(void *(*getArgTLS)(),
 DataFlowSanitizer::DataFlowSanitizer(void *(*getArgTLS)(),
                                      void *(*getRetValTLS)())
     : ModulePass(ID), GetArgTLSPtr(getArgTLS), GetRetvalTLSPtr(getRetValTLS),
-      Greylist(ClGreylistFile) {}
+      Greylist(SpecialCaseList::createOrDie(ClGreylistFile)) {}
 
 FunctionType *DataFlowSanitizer::getInstrumentedFunctionType(FunctionType *T) {
   llvm::SmallVector<Type *, 4> ArgTypes;
@@ -269,7 +269,7 @@ bool DataFlowSanitizer::doInitialization(Module &M) {
 
 DataFlowSanitizer::InstrumentedABI
 DataFlowSanitizer::getInstrumentedABI(Function *F) {
-  if (Greylist.isIn(*F))
+  if (Greylist->isIn(*F))
     return IA_MemOnly;
   else
     return getDefaultInstrumentedABI();
index 0251f16af4eadc47b0bb923f70215b2114cd12f7..a78213de7b3bf5198c4a2cc571ac6e4f3dc880b6 100644 (file)
@@ -338,7 +338,7 @@ bool MemorySanitizer::doInitialization(Module &M) {
   TD = getAnalysisIfAvailable<DataLayout>();
   if (!TD)
     return false;
-  BL.reset(new SpecialCaseList(BlacklistFile));
+  BL.reset(SpecialCaseList::createOrDie(BlacklistFile));
   C = &(M.getContext());
   unsigned PtrSize = TD->getPointerSizeInBits(/* AddressSpace */0);
   switch (PtrSize) {
index cc971a38b20dd1746b45b68891b79eee3b31351b..e19ceba4d1669963e9af84fd53204e3be7d1e624 100644 (file)
@@ -227,7 +227,7 @@ bool ThreadSanitizer::doInitialization(Module &M) {
   TD = getAnalysisIfAvailable<DataLayout>();
   if (!TD)
     return false;
-  BL.reset(new SpecialCaseList(BlacklistFile));
+  BL.reset(SpecialCaseList::createOrDie(BlacklistFile));
 
   // Always insert a call to __tsan_init into the module's CTORs.
   IRBuilder<> IRB(M.getContext());
index 5a3b192bf6ad3f5c3b3943bfccd9dcc541be6788..5ddaabafc23dd36a99cd0b0a52ace2f67a384096 100644 (file)
@@ -91,6 +91,13 @@ SpecialCaseList *SpecialCaseList::create(
   return SCL.take();
 }
 
+SpecialCaseList *SpecialCaseList::createOrDie(const StringRef Path) {
+  std::string Error;
+  if (SpecialCaseList *SCL = create(Path, Error))
+    return SCL;
+  report_fatal_error(Error);
+}
+
 bool SpecialCaseList::parse(const MemoryBuffer *MB, std::string &Error) {
   // Iterate through each line in the blacklist file.
   SmallVector<StringRef, 16> Lines;