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// -*- C++ -*-

// Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010

// Free Software Foundation, Inc.

// This library 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, or (at

// your option) any later version.

// This library 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 library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// Benjamin Kosnik  <bkoz@redhat.com>

#include <string>

#include <stdexcept>

#include <vector>

#include <locale>

#include <tr1/unordered_map>

#include <cxxabi.h>

// Encapsulates symbol characteristics.

struct symbol

{

  enum category { function, object, tls, uncategorized };

  enum designation { existing, added, subtracted, undesignated };

  enum version { none, compatible, incompatible, unversioned };

  enum compatibility

    {

      compat_type = 1,

      compat_name = 2,

      compat_size = 4,

      compat_version = 8

    };

  category      type;

  std::string   name;

  std::string   raw_name; // Name with versioning info still attached.

  std::string   demangled_name;

  int           size;

  std::string   version_name;

  version       version_status;

  designation   status;

  symbol()

  : type(uncategorized), size(0), version_status(unversioned),

    status(undesignated) { }

  symbol(const symbol& other)

  : type(other.type), name(other.name), demangled_name(other.demangled_name),

    size(other.size), version_name(other.version_name),

    version_status(other.version_status), status(other.status) { }

  void

  print() const;

  void

  init(std::string& data);

};

// Map type between symbol names and full symbol info.

typedef std::tr1::unordered_map<std::string, symbol>    symbols;

// Check.

bool

check_version(symbol& test, bool added = false);

bool

check_compatible(symbol& lhs, symbol& rhs, bool verbose = false);

// Examine.

bool

has_symbol(const std::string& mangled, const symbols& list) throw();

const symbol&

get_symbol(const std::string& mangled, const symbols& list);

extern "C" void

examine_symbol(const char* name, const char* file);

extern "C" int

compare_symbols(const char* baseline_file, const char* test_file, bool verb);

// Util.

symbols

create_symbols(const char* file);

const char*

demangle(const std::string& mangled);