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// common.h -- handle common symbols for gold   -*- C++ -*-
 
// Copyright 2006, 2007, 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_COMMON_H
#define GOLD_COMMON_H
 
#include "workqueue.h"
 
namespace gold
{
 
class Symbol_table;
 
// This task is used to allocate the common symbols.
 
class Allocate_commons_task : public Task
{
 public:
  Allocate_commons_task(Symbol_table* symtab, Layout* layout, Mapfile* mapfile,
			Task_token* symtab_lock, Task_token* blocker)
    : symtab_(symtab), layout_(layout), mapfile_(mapfile),
      symtab_lock_(symtab_lock), blocker_(blocker)
  { }
 
  // The standard Task methods.
 
  Task_token*
  is_runnable();
 
  void
  locks(Task_locker*);
 
  void
  run(Workqueue*);
 
  std::string
  get_name() const
  { return "Allocate_commons_task"; }
 
 private:
  Symbol_table* symtab_;
  Layout* layout_;
  Mapfile* mapfile_;
  Task_token* symtab_lock_;
  Task_token* blocker_;
};
 
} // End namespace gold.
 
#endif // !defined(GOLD_COMMON_H)