1 files changed, 14 insertions, 1 deletions
diff --git a/lib/Driver/ToolChains/Darwin.h b/lib/Driver/ToolChains/Darwin.h
index 87d553bd7e0b2..eee6e966718b5 100644
--- a/lib/Driver/ToolChains/Darwin.h
+++ b/lib/Driver/ToolChains/Darwin.h
@@ -130,6 +130,9 @@ protected:
   Tool *buildLinker() const override;
   Tool *getTool(Action::ActionClass AC) const override;
 
+  /// \return Directory to find the runtime library in.
+  SmallString<128> runtimeLibDir(bool IsEmbedded=false) const;
+
 private:
   mutable std::unique_ptr<tools::darwin::Lipo> Lipo;
   mutable std::unique_ptr<tools::darwin::Dsymutil> Dsymutil;
@@ -251,7 +254,6 @@ public:
   GetExceptionModel(const llvm::opt::ArgList &Args) const override {
     return llvm::ExceptionHandling::None;
   }
-
   /// }
 };
 
@@ -420,6 +422,11 @@ protected:
   StringRef getPlatformFamily() const;
   StringRef getOSLibraryNameSuffix() const;
 
+  /// \return Relative path to the filename for the library
+  /// containing the sanitizer {@code SanitizerName}.
+  std::string getFileNameForSanitizerLib(StringRef SanitizerName,
+                                         bool Shared = true) const;
+
 public:
   static StringRef getSDKName(StringRef isysroot);
 
@@ -473,6 +480,12 @@ public:
   SanitizerMask getSupportedSanitizers() const override;
 
   void printVerboseInfo(raw_ostream &OS) const override;
+
+private:
+  /// \return Whether the runtime corresponding to the given
+  /// sanitizer exists in the toolchain.
+  bool sanitizerRuntimeExists(StringRef SanitizerName,
+                              bool Shared = true) const;
 };
 
 /// DarwinClang - The Darwin toolchain used by Clang.