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// -*- C++ -*-
// Copyright (C) 2004 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 2, 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
// 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 COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free
// software library without restriction. Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License. This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.
// Benjamin Kosnik <>
#include <string>
#include <stdexcept>
#include <deque>
#include <ext/hash_map>
#include <cxxabi.h>
// Encapsulates symbol characteristics.
struct symbol
enum category { none, function, object, error };
enum designation { unknown, added, subtracted, compatible, incompatible };
enum compatibility
compat_type = 1,
compat_name = 2,
compat_size = 4,
compat_version = 8
category type;
std::string name;
std::string demangled_name;
int size;
std::string version_name;
designation status;
symbol() : type(none), size(0), status(unknown) { }
symbol(const symbol& other)
: type(other.type), name(, demangled_name(other.demangled_name),
size(other.size), version_name(other.version_name),
status(other.status) { }
print() const;
init(std::string& data);
struct symbol_error : public std::logic_error
explicit symbol_error(const std::string& s) : std::logic_error(s) { }
typedef __gnu_cxx::hash_map<std::string, symbol> symbol_objects;
typedef std::deque<std::string> symbol_names;
typedef std::pair<symbol_names, symbol_objects> symbols;
// Check.
check_version(const symbol& test, bool added = false);
check_compatible(const symbol& lhs, const symbol& rhs, bool verbose = false);
// Examine.
has_symbol(const std::string& mangled, const symbols& list) throw();
get_symbol(const std::string& mangled, const symbols& list);
extern "C" void
examine_symbol(const char* name, const char* file);
extern "C" void
compare_symbols(const char* baseline_file, const char* test_file, bool verb);
// Util.
create_symbols(const char* file);
const char*
demangle(const std::string& mangled);
// Specialization.
namespace __gnu_cxx
using namespace std;
struct hash<string>
size_t operator()(const string& s) const
const collate<char>& c = use_facet<collate<char> >(locale::classic());
return c.hash(s.c_str(), s.c_str() + s.size());