3 files changed, 16 insertions, 7 deletions
diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index 3deeb8dfe5b..045f4dfc636 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -954,6 +954,14 @@ void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
 }
 
 template <class ELFT>
+static const char *getDynamicString(const ELFFile<ELFT> &O, uint64_t Value) {
+  const char *Ret = O.getDynamicString(Value);
+  if (!Ret)
+    reportError("Invalid dynamic string table reference");
+  return Ret;
+}
+
+template <class ELFT>
 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
                        bool Is64, raw_ostream &OS) {
   switch (Type) {
@@ -1011,14 +1019,14 @@ static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
     OS << Value << " (bytes)";
     break;
   case DT_NEEDED:
-    OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
+    OS << "SharedLibrary (" << getDynamicString(*O, Value) << ")";
     break;
   case DT_SONAME:
-    OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
+    OS << "LibrarySoname (" << getDynamicString(*O, Value) << ")";
     break;
   case DT_RPATH:
   case DT_RUNPATH:
-    OS << O->getDynamicString(Value);
+    OS << getDynamicString(*O, Value);
     break;
   case DT_MIPS_FLAGS:
     printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
@@ -1088,7 +1096,7 @@ void ELFDumper<ELFT>::printNeededLibraries() {
 
   for (const auto &Entry : Obj->dynamic_table())
     if (Entry.d_tag == ELF::DT_NEEDED)
-      Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
+      Libs.push_back(getDynamicString(*Obj, Entry.d_un.d_val));
 
   std::stable_sort(Libs.begin(), Libs.end());
 
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index b525ce10004..3f03618bb22 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -188,14 +188,14 @@ namespace opts {
 
 } // namespace opts
 
-static void reportError(Twine Msg) {
+namespace llvm {
+
+void reportError(Twine Msg) {
   outs() << Msg << "\n";
   outs().flush();
   exit(1);
 }
 
-namespace llvm {
-
 void error(std::error_code EC) {
   if (!EC)
     return;
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.h b/llvm/tools/llvm-readobj/llvm-readobj.h
index 8872fc21a39..58c50f58d75 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.h
+++ b/llvm/tools/llvm-readobj/llvm-readobj.h
@@ -19,6 +19,7 @@ namespace llvm {
   }
 
   // Various helper functions.
+  void reportError(Twine Msg);
   void error(std::error_code ec);
   bool relocAddressLess(object::RelocationRef A,
                         object::RelocationRef B);