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diff --git a/gold/dynobj.h b/gold/dynobj.h
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+// dynobj.h -- dynamic object support for gold   -*- C++ -*-
+
+#ifndef GOLD_DYNOBJ_H
+#define GOLD_DYNOBJ_H
+
+#include "object.h"
+
+namespace gold
+{
+
+// A dynamic object (ET_DYN).  This is an abstract base class itself.
+// The implementations is the template class Sized_dynobj.
+
+class Dynobj : public Object
+{
+ public:
+  Dynobj(const std::string& name, Input_file* input_file, off_t offset = 0)
+    : Object(name, input_file, true, offset)
+  { }
+};
+
+// A dynamic object, size and endian specific version.
+
+template<int size, bool big_endian>
+class Sized_dynobj : public Dynobj
+{
+ public:
+  Sized_dynobj(const std::string& name, Input_file* input_file, off_t offset,
+	       const typename elfcpp::Ehdr<size, big_endian>&);
+
+  // Read the symbols.
+  void
+  do_read_symbols(Read_symbols_data*);
+
+  // Lay out the input sections.
+  void
+  do_layout(const General_options&, Symbol_table*, Layout*,
+	    Read_symbols_data*);
+
+  // Add the symbols to the symbol table.
+  void
+  do_add_symbols(Symbol_table*, Read_symbols_data*);
+
+  // Return a view of the contents of a section.  Set *PLEN to the
+  // size.
+  const unsigned char*
+  do_section_contents(unsigned int shnum, off_t* plen) = 0;
+
+  // Get the name of a section.
+  std::string
+  do_section_name(unsigned int shnum);
+};
+
+} // End namespace gold.
+
+#endif // !defined(GOLD_DYNOBJ_H)