]>
Commit | Line | Data |
---|---|---|
74a3070f JM |
1 | // Verbose terminate_handler -*- C++ -*- |
2 | ||
a945c346 | 3 | // Copyright (C) 2001-2024 Free Software Foundation, Inc. |
74a3070f | 4 | // |
38cca750 BK |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
74a3070f | 9 | // any later version. |
38cca750 BK |
10 | |
11 | // This library is distributed in the hope that it will be useful, | |
74a3070f JM |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
38cca750 | 15 | |
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
74a3070f | 24 | |
fb705416 | 25 | #include <bits/c++config.h> |
3cbc7af0 | 26 | |
4c24b21a | 27 | #if _GLIBCXX_HOSTED |
74a3070f | 28 | #include <cstdlib> |
2ca08953 | 29 | #include <exception> |
7c3e9502 | 30 | #include <bits/exception_defines.h> |
74a3070f | 31 | #include <cxxabi.h> |
fb705416 | 32 | # include <cstdio> |
fb705416 | 33 | |
74a3070f JM |
34 | using namespace std; |
35 | using namespace abi; | |
36 | ||
12ffa228 BK |
37 | namespace __gnu_cxx |
38 | { | |
39 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 40 | |
6f94dea7 BK |
41 | // A replacement for the standard terminate_handler which prints |
42 | // more information about the terminating exception (if any) on | |
43 | // stderr. | |
2ca08953 BK |
44 | void __verbose_terminate_handler() |
45 | { | |
afc3bb58 | 46 | static bool terminating; |
afc3bb58 MM |
47 | if (terminating) |
48 | { | |
6f94dea7 | 49 | fputs("terminate called recursively\n", stderr); |
afc3bb58 MM |
50 | abort (); |
51 | } | |
6f94dea7 | 52 | terminating = true; |
afc3bb58 | 53 | |
2ca08953 BK |
54 | // Make sure there was an exception; terminate is also called for an |
55 | // attempt to rethrow when there is no suitable exception. | |
56 | type_info *t = __cxa_current_exception_type(); | |
57 | if (t) | |
74a3070f | 58 | { |
2ca08953 | 59 | // Note that "name" is the mangled name. |
6f94dea7 | 60 | char const *name = t->name(); |
2ca08953 BK |
61 | { |
62 | int status = -1; | |
63 | char *dem = 0; | |
64 | ||
2ca08953 | 65 | dem = __cxa_demangle(name, 0, 0, &status); |
74a3070f | 66 | |
6f94dea7 | 67 | fputs("terminate called after throwing an instance of '", stderr); |
fb705416 | 68 | if (status == 0) |
6f94dea7 | 69 | fputs(dem, stderr); |
fb705416 | 70 | else |
6f94dea7 BK |
71 | fputs(name, stderr); |
72 | fputs("'\n", stderr); | |
74a3070f | 73 | |
2ca08953 BK |
74 | if (status == 0) |
75 | free(dem); | |
76 | } | |
74a3070f | 77 | |
6f94dea7 BK |
78 | // If the exception is derived from std::exception, we can |
79 | // give more information. | |
bbcfe54a | 80 | __try { __throw_exception_again; } |
0f3d27f0 | 81 | #if __cpp_exceptions |
bbcfe54a | 82 | __catch(const exception& exc) |
fb705416 PE |
83 | { |
84 | char const *w = exc.what(); | |
6f94dea7 BK |
85 | fputs(" what(): ", stderr); |
86 | fputs(w, stderr); | |
87 | fputs("\n", stderr); | |
fb705416 | 88 | } |
2ca08953 | 89 | #endif |
bbcfe54a | 90 | __catch(...) { } |
2ca08953 BK |
91 | } |
92 | else | |
6f94dea7 | 93 | fputs("terminate called without an active exception\n", stderr); |
2ca08953 BK |
94 | |
95 | abort(); | |
96 | } | |
3cbc7af0 | 97 | |
12ffa228 BK |
98 | _GLIBCXX_END_NAMESPACE_VERSION |
99 | } // namespace | |
3cbc7af0 | 100 | |
4c24b21a | 101 | #endif |