1 // -*- C++ -*- 2 3 // Copyright (C) 2004-2021 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 symbolsymbol57 symbol() 58 : type(uncategorized), size(0), version_status(unversioned), 59 status(undesignated) { } 60 symbolsymbol61 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); 105