gnu/dist/gcc4/libstdc++-v3/testsuite/testsuite_abi.h

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   4
   5 // This library is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License as
   7 // published by the Free Software Foundation; either version 2, or (at
   8 // your option) any later version.
   9
  10 // This library is distributed in the hope that it will be useful, but
  11 // WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 // General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this library; see the file COPYING.  If not, write to
  17 // the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  18 // MA 02110-1301, USA.
  19
  20 // As a special exception, you may use this file as part of a free
  21 // software library without restriction.  Specifically, if other files
  22 // instantiate templates or use macros or inline functions from this
  23 // file, or you compile this file and link it with other files to
  24 // produce an executable, this file does not by itself cause the
  25 // resulting executable to be covered by the GNU General Public
  26 // License.  This exception does not however invalidate any other
  27 // reasons why the executable file might be covered by the GNU General
  28 // Public License.
  29
  30 // Benjamin Kosnik  <bkoz@redhat.com>
  31
  32 #include <string>
  33 #include <stdexcept>
  34 #include <deque>
  35 #include <ext/hash_map>
  36 #include <cxxabi.h>
  37
  38 // Encapsulates symbol characteristics.
  39 struct symbol
  40 {
  41   enum category { function, object, uncategorized };
  42   enum designation { existing, added, subtracted, undesignated };
  43   enum version { none, compatible, incompatible, unversioned };
  44   enum compatibility
  45     {
  46       compat_type = 1,
  47       compat_name = 2,
  48       compat_size = 4,
  49       compat_version = 8
  50     };
  51
  52   category      type;
  53   std::string   name;
  54   std::string   raw_name; // Name with versioning info still attached.
  55   std::string   demangled_name;
  56   int           size;
  57   std::string   version_name;
  58   version       version_status;
  59   designation   status;
  60
  61   symbol()
  62   : type(uncategorized), size(0), version_status(unversioned),
  63     status(undesignated) { }
  64
  65   symbol(const symbol& other)
  66   : type(other.type), name(other.name), demangled_name(other.demangled_name),
  67     size(other.size), version_name(other.version_name),
  68     version_status(other.version_status), status(other.status) { }
  69
  70   void
  71   print() const;
  72
  73   void
  74   init(std::string& data);
  75 };
  76
  77 typedef __gnu_cxx::hash_map<std::string, symbol>        symbol_objects;
  78
  79 typedef std::deque<std::string>                         symbol_names;
  80
  81 typedef std::pair<symbol_names, symbol_objects>         symbols;
  82
  83
  84 // Check.
  85 bool
  86 check_version(symbol& test, bool added = false);
  87
  88 bool
  89 check_compatible(symbol& lhs, symbol& rhs, bool verbose = false);
  90
  91
  92 // Examine.
  93 bool
  94 has_symbol(const std::string& mangled, const symbols& list) throw();
  95
  96 symbol&
  97 get_symbol(const std::string& mangled, const symbols& list);
  98
  99 extern "C" void
 100 examine_symbol(const char* name, const char* file);
 101
 102 extern "C" int
 103 compare_symbols(const char* baseline_file, const char* test_file, bool verb);
 104
 105
 106 // Util.
 107 symbols
 108 create_symbols(const char* file);
 109
 110 const char*
 111 demangle(const std::string& mangled);
 112
 113
 114 // Specialization.
 115 namespace __gnu_cxx
 116 {
 117   using namespace std;
 118
 119   template<>
 120     struct hash<string>
 121     {
 122       size_t operator()(const string& s) const
 123       {
 124         const collate<char>& c = use_facet<collate<char> >(locale::classic());
 125         return c.hash(s.c_str(), s.c_str() + s.size());
 126       }
 127     };
 128 }