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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2004-2020 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 #if __cplusplus >= 201103L
  26 # include <unordered_map>
  27 namespace unord = std;
  28 #else
  29 # include <tr1/unordered_map>
  30 namespace unord = std::tr1;
  31 #endif
  32 #include <cxxabi.h>
  33
  34 // Encapsulates symbol characteristics.
  35 struct symbol
  36 {
  37   enum category { function, object, tls, uncategorized };
  38   enum designation { existing, added, subtracted, undesignated };
  39   enum version { none, compatible, incompatible, unversioned };
  40   enum compatibility
  41     {
  42       compat_type = 1,
  43       compat_name = 2,
  44       compat_size = 4,
  45       compat_version = 8
  46     };
  47
  48   category      type;
  49   std::string   name;
  50   std::string   raw_name; // Name with versioning info still attached.
  51   std::string   demangled_name;
  52   int           size;
  53   std::string   version_name;
  54   version       version_status;
  55   designation   status;
  56
  57   symbol()
  58   : type(uncategorized), size(0), version_status(unversioned),
  59     status(undesignated) { }
  60
  61   symbol(const symbol& other)
  62   : type(other.type), name(other.name), demangled_name(other.demangled_name),
  63     size(other.size), version_name(other.version_name),
  64     version_status(other.version_status), status(other.status) { }
  65
  66   void
  67   print() const;
  68
  69   void
  70   init(std::string& data);
  71 };
  72
  73 // Map type between symbol names and full symbol info.
  74 typedef unord::unordered_map<std::string, symbol>       symbols;
  75
  76
  77 // Check.
  78 bool
  79 check_version(symbol& test, bool added = false);
  80
  81 bool
  82 check_compatible(symbol& lhs, symbol& rhs, bool verbose = false);
  83
  84
  85 // Examine.
  86 bool
  87 has_symbol(const std::string& mangled, const symbols& list) throw();
  88
  89 const symbol&
  90 get_symbol(const std::string& mangled, const symbols& list);
  91
  92 extern "C" void
  93 examine_symbol(const char* name, const char* file);
  94
  95 extern "C" int
  96 compare_symbols(const char* baseline_file, const char* test_file, bool verb);
  97
  98
  99 // Util.
 100 symbols
 101 create_symbols(const char* file);
 102
 103 std::string
 104 demangle(const std::string& mangled);