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// -*- C++ -*-
// Copyright (C) 2004-2022 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>
#if __cplusplus >= 201103L
# include <unordered_map>
# ifdef _GLIBCXX_DEBUG
namespace unord = std::_GLIBCXX_STD_C;
# else
namespace unord = std;
# endif
#else
# include <tr1/unordered_map>
namespace unord = std::tr1;
#endif
#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 unord::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);
std::string
demangle(const std::string& mangled);