diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -305,6 +305,8 @@
   };
   mutable SmallVector<Optional<VersionEntry>, 16> VersionMap;
 
+  std::unordered_set<std::string> Warnings;
+
 public:
   Elf_Dyn_Range dynamic_table() const {
     // A valid .dynamic section contains an array of entries terminated
@@ -367,6 +369,9 @@
 
   Expected<std::pair<const Elf_Sym *, std::string>>
   getRelocationTarget(const Elf_Shdr *SymTab, const Elf_Rela &R) const;
+
+  std::function<Error(const Twine &Msg)> WarningHandler;
+  void reportUniqueWarning(Error Err) const;
 };
 
 template <class ELFT>
@@ -459,12 +464,12 @@
   Expected<std::pair<ArrayRef<Elf_Sym>, StringRef>> SymTabOrErr =
       getLinkAsSymtab(Obj, Sec, SecNdx, SHT_DYNSYM);
   if (!SymTabOrErr) {
-    ELFDumperStyle->reportUniqueWarning(SymTabOrErr.takeError());
+    reportUniqueWarning(SymTabOrErr.takeError());
     return *VersionsOrErr;
   }
 
   if (SymTabOrErr->first.size() != VersionsOrErr->size())
-    ELFDumperStyle->reportUniqueWarning(
+    reportUniqueWarning(
         createError("SHT_GNU_versym section with index " + Twine(SecNdx) +
                     ": the number of entries (" + Twine(VersionsOrErr->size()) +
                     ") does not match the number of symbols (" +
@@ -578,7 +583,7 @@
   StringRef StrTab;
   Expected<StringRef> StrTabOrErr = getLinkAsStrtab(Obj, Sec, SecNdx);
   if (!StrTabOrErr)
-    ELFDumperStyle->reportUniqueWarning(StrTabOrErr.takeError());
+    reportUniqueWarning(StrTabOrErr.takeError());
   else
     StrTab = *StrTabOrErr;
 
@@ -707,14 +712,6 @@
 
   DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {
     FileName = this->Dumper->getElfObject()->getFileName();
-
-    // Dumper reports all non-critical errors as warnings.
-    // It does not print the same warning more than once.
-    WarningHandler = [this](const Twine &Msg) {
-      if (Warnings.insert(Msg.str()).second)
-        reportWarning(createError(Msg), FileName);
-      return Error::success();
-    };
   }
 
   virtual ~DumpStyle() = default;
@@ -767,14 +764,11 @@
   virtual void printMipsABIFlags(const ELFObjectFile<ELFT> *Obj) = 0;
   const ELFDumper<ELFT> *dumper() const { return Dumper; }
 
-  void reportUniqueWarning(Error Err) const;
-
 protected:
-  std::function<Error(const Twine &Msg)> WarningHandler;
+  void reportUniqueWarning(Error Err) const;
   StringRef FileName;
 
 private:
-  std::unordered_set<std::string> Warnings;
   const ELFDumper<ELFT> *Dumper;
 };
 
@@ -898,13 +892,18 @@
 };
 
 template <class ELFT>
-void DumpStyle<ELFT>::reportUniqueWarning(Error Err) const {
+void ELFDumper<ELFT>::reportUniqueWarning(Error Err) const {
   handleAllErrors(std::move(Err), [&](const ErrorInfoBase &EI) {
     cantFail(WarningHandler(EI.message()),
              "WarningHandler should always return ErrorSuccess");
   });
 }
 
+template <class ELFT>
+void DumpStyle<ELFT>::reportUniqueWarning(Error Err) const {
+  this->dumper()->reportUniqueWarning(std::move(Err));
+}
+
 template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
 public:
   TYPEDEF_ELF_TYPES(ELFT)
@@ -1156,12 +1155,12 @@
     Expected<unsigned> SectionIndex =
         getSymbolSectionIndex(Symbol, Syms.begin());
     if (!SectionIndex) {
-      ELFDumperStyle->reportUniqueWarning(SectionIndex.takeError());
+      reportUniqueWarning(SectionIndex.takeError());
       return "<?>";
     }
     Expected<StringRef> NameOrErr = getSymbolSectionName(Symbol, *SectionIndex);
     if (!NameOrErr) {
-      ELFDumperStyle->reportUniqueWarning(NameOrErr.takeError());
+      reportUniqueWarning(NameOrErr.takeError());
       return ("<section " + Twine(*SectionIndex) + ">").str();
     }
     return std::string(*NameOrErr);
@@ -1173,7 +1172,7 @@
   bool IsDefault;
   Expected<StringRef> VersionOrErr = getSymbolVersion(&*Symbol, IsDefault);
   if (!VersionOrErr) {
-    ELFDumperStyle->reportUniqueWarning(VersionOrErr.takeError());
+    reportUniqueWarning(VersionOrErr.takeError());
     return SymbolName + "@<corrupt>";
   }
 
@@ -1984,6 +1983,14 @@
     : ObjDumper(Writer), ObjF(ObjF), DynRelRegion(ObjF->getFileName()),
       DynRelaRegion(ObjF->getFileName()), DynRelrRegion(ObjF->getFileName()),
       DynPLTRelRegion(ObjF->getFileName()), DynamicTable(ObjF->getFileName()) {
+  // Dumper reports all non-critical errors as warnings.
+  // It does not print the same warning more than once.
+  WarningHandler = [this](const Twine &Msg) {
+    if (Warnings.insert(Msg.str()).second)
+      reportWarning(createError(Msg), this->ObjF->getFileName());
+    return Error::success();
+  };
+
   if (opts::Output == opts::GNU)
     ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
   else
@@ -2174,7 +2181,7 @@
     // locate .dynsym at runtime. The location we find in the section header
     // and the location we find here should match.
     if (DynSymFromTable && DynSymFromTable->Addr != DynSymRegion->Addr)
-      ELFDumperStyle->reportUniqueWarning(
+      reportUniqueWarning(
           createError("SHT_DYNSYM section header and DT_SYMTAB disagree about "
                       "the location of the dynamic symbol table"));
 
@@ -2184,7 +2191,7 @@
     // according to the section header.
     if (HashTable &&
         HashTable->nchain != DynSymRegion->Size / DynSymRegion->EntSize)
-      ELFDumperStyle->reportUniqueWarning(createError(
+      reportUniqueWarning(createError(
           "hash table nchain (" + Twine(HashTable->nchain) +
           ") differs from symbol count derived from SHT_DYNSYM section "
           "header (" +
@@ -3677,7 +3684,7 @@
   const ELFObjectFile<ELFT> *ElfObj = this->dumper()->getElfObject();
   StringRef SecStrTable = unwrapOrError<StringRef>(
       ElfObj->getFileName(),
-      Obj->getSectionStringTable(Sections, this->WarningHandler));
+      Obj->getSectionStringTable(Sections, this->dumper()->WarningHandler));
   size_t SectionIndex = 0;
   for (const Elf_Shdr &Sec : Sections) {
     Fields[0].Str = to_string(SectionIndex);
@@ -5845,7 +5852,7 @@
   for (const Elf_Shdr &Sec : Sections) {
     StringRef Name = "<?>";
     if (Expected<StringRef> SecNameOrErr =
-            Obj->getSectionName(&Sec, this->WarningHandler))
+            Obj->getSectionName(&Sec, this->dumper()->WarningHandler))
       Name = *SecNameOrErr;
     else
       this->reportUniqueWarning(SecNameOrErr.takeError());