libstdc++-v3/testsuite/util/testsuite_abi.h

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2004-2017 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 3, 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 COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 // Benjamin Kosnik  <bkoz@redhat.com>
  20
  21 #include <string>
  22 #include <stdexcept>
  23 #include <vector>
  24 #include <locale>
  25 #include <tr1/unordered_map>
  26 #include <cxxabi.h>
  27
  28 // Encapsulates symbol characteristics.
  29 struct symbol
  30 {
  31   enum category { function, object, tls, uncategorized };
  32   enum designation { existing, added, subtracted, undesignated };
  33   enum version { none, compatible, incompatible, unversioned };
  34   enum compatibility
  35     {
  36       compat_type = 1,
  37       compat_name = 2,
  38       compat_size = 4,
  39       compat_version = 8
  40     };
  41
  42   category      type;
  43   std::string   name;
  44   std::string   raw_name; // Name with versioning info still attached.
  45   std::string   demangled_name;
  46   int           size;
  47   std::string   version_name;
  48   version       version_status;
  49   designation   status;
  50
  51   symbol()
  52   : type(uncategorized), size(0), version_status(unversioned),
  53     status(undesignated) { }
  54
  55   symbol(const symbol& other)
  56   : type(other.type), name(other.name), demangled_name(other.demangled_name),
  57     size(other.size), version_name(other.version_name),
  58     version_status(other.version_status), status(other.status) { }
  59
  60   void
  61   print() const;
  62
  63   void
  64   init(std::string& data);
  65 };
  66
  67 // Map type between symbol names and full symbol info.
  68 typedef std::tr1::unordered_map<std::string, symbol>    symbols;
  69
  70
  71 // Check.
  72 bool
  73 check_version(symbol& test, bool added = false);
  74
  75 bool
  76 check_compatible(symbol& lhs, symbol& rhs, bool verbose = false);
  77
  78
  79 // Examine.
  80 bool
  81 has_symbol(const std::string& mangled, const symbols& list) throw();
  82
  83 const symbol&
  84 get_symbol(const std::string& mangled, const symbols& list);
  85
  86 extern "C" void
  87 examine_symbol(const char* name, const char* file);
  88
  89 extern "C" int
  90 compare_symbols(const char* baseline_file, const char* test_file, bool verb);
  91
  92
  93 // Util.
  94 symbols
  95 create_symbols(const char* file);
  96
  97 const char*
  98 demangle(const std::string& mangled);