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