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// mapfile.h -- map file generation for gold   -*- C++ -*-

// Copyright 2008, 2010 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_MAP_H

#define GOLD_MAP_H

#include <cstdio>

#include <string>

namespace gold

{

class Archive;

class Symbol;

class Relobj;

template<int size, bool big_endian>

class Sized_relobj_file;

class Output_section;

class Output_data;

// This class manages map file output.

class Mapfile

{

 public:

  Mapfile();

  ~Mapfile();

  // Open the map file.  Return whether the open succeed.

  bool

  open(const char* map_filename);

  // Close the map file.

  void

  close();

  // Return the underlying file.

  FILE*

  file()

  { return this->map_file_; }

  // Report that we are including a member from an archive.  This is

  // called by the archive reading code.

  void

  report_include_archive_member(const std::string& member_name,

                                const Symbol* sym, const char* why);

  // Report allocating a common symbol.

  void

  report_allocate_common(const Symbol*, uint64_t symsize);

  // Print discarded input sections.

  void

  print_discarded_sections(const Input_objects*);

  // Print an output section.

  void

  print_output_section(const Output_section*);

  // Print an input section.

  void

  print_input_section(Relobj*, unsigned int shndx);

  // Print an Output_data.

  void

  print_output_data(const Output_data*, const char* name);

 private:

  // The space we allow for a section name.

  static const size_t section_name_map_length;

  // Advance to a column.

  void

  advance_to_column(size_t from, size_t to);

  // Print the memory map header.

  void

  print_memory_map_header();

  // Print symbols for an input section.

  template<int size, bool big_endian>

  void

  print_input_section_symbols(const Sized_relobj_file<size, big_endian>*,

                              unsigned int shndx);

  // Map file to write to.

  FILE* map_file_;

  // Whether we have printed the archive member header.

  bool printed_archive_header_;

  // Whether we have printed the allocated common header.

  bool printed_common_header_;

  // Whether we have printed the memory map header.

  bool printed_memory_map_header_;

};

} // End namespace gold.

#endif // !defined(GOLD_MAP_H)