CFI: Introduce -fsanitize=cfi-icall flag.
This flag causes the compiler to emit bit set entries for functions as well
as runtime bitset checks at indirect call sites. Depends on the new function
bitset mechanism.
Differential Revision: http://reviews.llvm.org/D11857
llvm-svn: 247238
diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index dc65b14..56787e5 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -2473,12 +2473,9 @@
SanitizerScope SanScope(this);
- std::string OutName;
- llvm::raw_string_ostream Out(OutName);
- CGM.getCXXABI().getMangleContext().mangleCXXVTableBitSet(RD, Out);
-
llvm::Value *BitSetName = llvm::MetadataAsValue::get(
- getLLVMContext(), llvm::MDString::get(getLLVMContext(), Out.str()));
+ getLLVMContext(),
+ CGM.CreateMetadataIdentifierForType(QualType(RD->getTypeForDecl(), 0)));
llvm::Value *CastedVTable = Builder.CreateBitCast(VTable, Int8PtrTy);
llvm::Value *BitSetTest =