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// cref.h -- cross reference reports for gold   -*- C++ -*-
 
// Copyright 2008 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
 
// This file is part of gold.
 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
 
#ifndef GOLD_CREF_H
#define GOLD_CREF_H
 
namespace gold
{
 
class Object;
class Archive;
class Cref_inputs;
 
// This class collects data for cross reference and other reporting.
 
class Cref
{
 public:
  Cref()
    : inputs_(NULL)
  { }
 
  // Record an input object file.  This is called for each object file
  // in the order in which it is processed.
  void
  add_object(Object*);
 
  // Start recording an input archive.  This is called for each
  // archive in the order in which it appears on the command line.  A
  // call to add_archive_start precedes calls to add_object for each
  // object included from the archive.
  void
  add_archive_start(Archive*);
 
  // Finish recording an input archive.  This is called after
  // add_object has been called for each object included from the
  // archive.
  void
  add_archive_stop(Archive*);
 
  // Print symbol counts.
  void
  print_symbol_counts(const Symbol_table*) const;
 
 private:
  void
  need_inputs();
 
  Cref_inputs* inputs_;
};
 
} // End namespace gold.
 
#endif // !defined(GOLD_CREF_H)