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diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
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+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -0,0 +1,144 @@
+//===-- ObjDumper.h ---------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
+#define LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
+
+#include <memory>
+#include <system_error>
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/CommandLine.h"
+
+namespace llvm {
+namespace object {
+class COFFImportFile;
+class ObjectFile;
+}
+namespace codeview {
+class GlobalTypeTableBuilder;
+class MergingTypeTableBuilder;
+} // namespace codeview
+
+class ScopedPrinter;
+
+class ObjDumper {
+public:
+  ObjDumper(ScopedPrinter &Writer);
+  virtual ~ObjDumper();
+
+  virtual void printFileHeaders() = 0;
+  virtual void printSectionHeaders() = 0;
+  virtual void printRelocations() = 0;
+  virtual void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) {
+    if (PrintSymbols)
+      printSymbols();
+    if (PrintDynamicSymbols)
+      printDynamicSymbols();
+  }
+  virtual void printProgramHeaders(bool PrintProgramHeaders,
+                                   cl::boolOrDefault PrintSectionMapping) {
+    if (PrintProgramHeaders)
+      printProgramHeaders();
+    if (PrintSectionMapping == cl::BOU_TRUE)
+      printSectionMapping();
+  }
+
+  virtual void printUnwindInfo() = 0;
+
+  // Only implemented for ELF at this time.
+  virtual void printDynamicRelocations() { }
+  virtual void printDynamicTable() { }
+  virtual void printNeededLibraries() { }
+  virtual void printSectionAsHex(StringRef SectionName) {}
+  virtual void printHashTable() { }
+  virtual void printGnuHashTable() { }
+  virtual void printHashSymbols() {}
+  virtual void printLoadName() {}
+  virtual void printVersionInfo() {}
+  virtual void printGroupSections() {}
+  virtual void printHashHistogram() {}
+  virtual void printCGProfile() {}
+  virtual void printAddrsig() {}
+  virtual void printNotes() {}
+  virtual void printELFLinkerOptions() {}
+  virtual void printStackSizes() {}
+  virtual void printArchSpecificInfo() { }
+
+  // Only implemented for PE/COFF.
+  virtual void printCOFFImports() { }
+  virtual void printCOFFExports() { }
+  virtual void printCOFFDirectives() { }
+  virtual void printCOFFBaseReloc() { }
+  virtual void printCOFFDebugDirectory() { }
+  virtual void printCOFFResources() {}
+  virtual void printCOFFLoadConfig() { }
+  virtual void printCodeViewDebugInfo() { }
+  virtual void
+  mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
+                     llvm::codeview::MergingTypeTableBuilder &CVTypes,
+                     llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs,
+                     llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes,
+                     bool GHash) {}
+
+  // Only implemented for MachO.
+  virtual void printMachODataInCode() { }
+  virtual void printMachOVersionMin() { }
+  virtual void printMachODysymtab() { }
+  virtual void printMachOSegment() { }
+  virtual void printMachOIndirectSymbols() { }
+  virtual void printMachOLinkerOptions() { }
+
+  virtual void printStackMap() const = 0;
+
+  void printSectionsAsString(const object::ObjectFile *Obj,
+                             ArrayRef<std::string> Sections);
+  void printSectionsAsHex(const object::ObjectFile *Obj,
+                          ArrayRef<std::string> Sections);
+
+protected:
+  ScopedPrinter &W;
+
+private:
+  virtual void printSymbols() {}
+  virtual void printDynamicSymbols() {}
+  virtual void printProgramHeaders() {}
+  virtual void printSectionMapping() {}
+};
+
+std::error_code createCOFFDumper(const object::ObjectFile *Obj,
+                                 ScopedPrinter &Writer,
+                                 std::unique_ptr<ObjDumper> &Result);
+
+std::error_code createELFDumper(const object::ObjectFile *Obj,
+                                ScopedPrinter &Writer,
+                                std::unique_ptr<ObjDumper> &Result);
+
+std::error_code createMachODumper(const object::ObjectFile *Obj,
+                                  ScopedPrinter &Writer,
+                                  std::unique_ptr<ObjDumper> &Result);
+
+std::error_code createWasmDumper(const object::ObjectFile *Obj,
+                                 ScopedPrinter &Writer,
+                                 std::unique_ptr<ObjDumper> &Result);
+
+std::error_code createXCOFFDumper(const object::ObjectFile *Obj,
+                                  ScopedPrinter &Writer,
+                                  std::unique_ptr<ObjDumper> &Result);
+
+void dumpCOFFImportFile(const object::COFFImportFile *File,
+                        ScopedPrinter &Writer);
+
+void dumpCodeViewMergedTypes(ScopedPrinter &Writer,
+                             ArrayRef<ArrayRef<uint8_t>> IpiRecords,
+                             ArrayRef<ArrayRef<uint8_t>> TpiRecords);
+
+} // namespace llvm
+
+#endif