diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFDebugFrame.h
@@ -16,6 +16,7 @@
 #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
 #include "llvm/DebugInfo/DWARF/DWARFExpression.h"
 #include "llvm/Support/Error.h"
+#include <functional>
 #include <map>
 #include <memory>
 #include <vector>
@@ -686,9 +687,20 @@
   void dump(raw_ostream &OS, DIDumpOptions DumpOpts, const MCRegisterInfo *MRI,
             Optional<uint64_t> Offset) const;
 
+  using RefHandlerType =
+    std::function<void(uint64_t, uint64_t, uint64_t)>;
+
   /// Parse the section from raw data. \p Data is assumed to contain the whole
   /// frame section contents to be parsed.
-  Error parse(DWARFDataExtractor Data);
+  /// If non-null RefHandler is passed, call it for every encountered external
+  /// reference in frame data. The expected signature is:
+  ///
+  ///   void RefHandler(uint64_t Value, uint64_t Offset, uint64_t Type);
+  ///
+  /// where Value is a value of the reference, Offset - is an offset into the
+  /// frame data at which the reference occured, and Type is a DWARF encoding
+  /// type of the reference.
+  Error parse(DWARFDataExtractor Data, RefHandlerType RefHandler= nullptr);
 
   /// Return whether the section has any entries.
   bool empty() const { return Entries.empty(); }
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
--- a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
@@ -1032,7 +1032,8 @@
   errs() << "\n";
 }
 
-Error DWARFDebugFrame::parse(DWARFDataExtractor Data) {
+Error DWARFDebugFrame::parse(DWARFDataExtractor Data,
+                             RefHandlerType RefHandler) {
   uint64_t Offset = 0;
   DenseMap<uint64_t, CIE *> CIEs;
 
@@ -1114,6 +1115,8 @@
             Personality = Data.getEncodedPointer(
                 &Offset, *PersonalityEncoding,
                 EHFrameAddress ? EHFrameAddress + Offset : 0);
+            if (RefHandler)
+              RefHandler(*Personality, Offset, *PersonalityEncoding);
             break;
           }
           case 'R':
@@ -1179,6 +1182,8 @@
                                        EHFrameAddress + Offset)) {
           InitialLocation = *Val;
         }
+        if (RefHandler)
+          RefHandler(InitialLocation, Offset, Cie->getFDEPointerEncoding());
         if (auto Val = Data.getEncodedPointer(
                 &Offset, Cie->getFDEPointerEncoding(), 0)) {
           AddressRange = *Val;
@@ -1196,6 +1201,8 @@
             LSDAAddress = Data.getEncodedPointer(
                 &Offset, Cie->getLSDAPointerEncoding(),
                 EHFrameAddress ? Offset + EHFrameAddress : 0);
+            if (RefHandler)
+              RefHandler(*LSDAAddress, Offset, Cie->getLSDAPointerEncoding());
           }
 
           if (Offset != EndAugmentationOffset)