1 // -*- C++ -*- 2 3 // Copyright (C) 2004-2018 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 symbolsymbol51 symbol() 52 : type(uncategorized), size(0), version_status(unversioned), 53 status(undesignated) { } 54 symbolsymbol55 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 std::string 98 demangle(const std::string& mangled); 99