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1 | // -*- C++ -*- |
2 | ||
405feeb8 | 3 | // Copyright (C) 2004-2013 Free Software Foundation, Inc. |
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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 | |
748086b7 | 7 | // published by the Free Software Foundation; either version 3, or (at |
4b260c20 BK |
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 | |
748086b7 JJ |
16 | // along with this library; see the file COPYING3. If not see |
17 | // <http://www.gnu.org/licenses/>. | |
4b260c20 | 18 | |
4b260c20 BK |
19 | |
20 | // Benjamin Kosnik <bkoz@redhat.com> | |
21 | ||
22 | #include "testsuite_abi.h" | |
0c3de900 | 23 | #include <cstdlib> |
4b260c20 BK |
24 | #include <sstream> |
25 | #include <fstream> | |
26 | #include <iostream> | |
0c3de900 | 27 | #include <vector> |
4f39bf5c | 28 | #include <algorithm> |
4b260c20 BK |
29 | |
30 | using namespace std; | |
31 | ||
c9fd7c7b | 32 | void |
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33 | symbol::init(string& data) |
34 | { | |
35 | const char delim = ':'; | |
36 | const char version_delim = '@'; | |
37 | const string::size_type npos = string::npos; | |
38 | string::size_type n = 0; | |
39 | ||
40 | // Set the type. | |
41 | if (data.find("FUNC") == 0) | |
42 | type = symbol::function; | |
43 | else if (data.find("OBJECT") == 0) | |
44 | type = symbol::object; | |
bf718682 BK |
45 | else if (data.find("TLS") == 0) |
46 | type = symbol::tls; | |
bb2b2a24 | 47 | |
4b260c20 BK |
48 | n = data.find_first_of(delim); |
49 | if (n != npos) | |
50 | data.erase(data.begin(), data.begin() + n + 1); | |
51 | ||
bf718682 BK |
52 | // Iff object or TLS, get size info. |
53 | if (type == symbol::object || type == symbol::tls) | |
4b260c20 BK |
54 | { |
55 | n = data.find_first_of(delim); | |
56 | if (n != npos) | |
57 | { | |
69240fc2 SW |
58 | string objectsize(data.begin(), data.begin() + n); |
59 | istringstream iss(objectsize); | |
4b260c20 BK |
60 | int x; |
61 | iss >> x; | |
62 | if (!iss.fail()) | |
63 | size = x; | |
64 | data.erase(data.begin(), data.begin() + n + 1); | |
65 | } | |
66 | } | |
67 | ||
bb2b2a24 BK |
68 | // Set the name and raw_name. |
69 | raw_name = string(data.begin(), data.end()); | |
4b260c20 BK |
70 | n = data.find_first_of(version_delim); |
71 | if (n != npos) | |
72 | { | |
73 | // Found version string. | |
74 | name = string(data.begin(), data.begin() + n); | |
75 | n = data.find_last_of(version_delim); | |
76 | data.erase(data.begin(), data.begin() + n + 1); | |
77 | ||
78 | // Set version name. | |
79 | version_name = data; | |
80 | } | |
81 | else | |
82 | { | |
83 | // No versioning info. | |
84 | name = string(data.begin(), data.end()); | |
bb2b2a24 | 85 | version_status = symbol::none; |
4b260c20 BK |
86 | } |
87 | ||
88 | // Set the demangled name. | |
89 | demangled_name = demangle(name); | |
90 | } | |
91 | ||
92 | void | |
93 | symbol::print() const | |
94 | { | |
95 | const char tab = '\t'; | |
bb2b2a24 | 96 | cout << name << endl; |
4b260c20 | 97 | |
bb2b2a24 BK |
98 | if (demangled_name != name) |
99 | cout << demangled_name << endl; | |
100 | ||
101 | string vers; | |
102 | switch (version_status) | |
4b260c20 BK |
103 | { |
104 | case none: | |
bb2b2a24 BK |
105 | vers = "none"; |
106 | break; | |
107 | case compatible: | |
108 | vers = "compatible"; | |
109 | break; | |
110 | case incompatible: | |
111 | vers = "incompatible"; | |
112 | break; | |
113 | case unversioned: | |
114 | vers = "unversioned"; | |
4b260c20 | 115 | break; |
bb2b2a24 BK |
116 | default: |
117 | vers = "<default>"; | |
118 | } | |
119 | cout << "version status: " << vers << endl; | |
120 | ||
c9fd7c7b | 121 | if (version_name.size() |
bb2b2a24 | 122 | && (version_status == compatible || version_status == incompatible)) |
c9fd7c7b | 123 | cout << version_name << endl; |
bb2b2a24 BK |
124 | |
125 | string type_string; | |
126 | switch (type) | |
127 | { | |
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128 | case function: |
129 | type_string = "function"; | |
130 | break; | |
131 | case object: | |
132 | type_string = "object"; | |
133 | break; | |
bf718682 BK |
134 | case tls: |
135 | type_string = "tls"; | |
136 | break; | |
bb2b2a24 BK |
137 | case uncategorized: |
138 | type_string = "uncategorized"; | |
4b260c20 BK |
139 | break; |
140 | default: | |
141 | type_string = "<default>"; | |
142 | } | |
bb2b2a24 | 143 | cout << "type: " << type_string << endl; |
c9fd7c7b | 144 | |
bf718682 | 145 | if (type == object || type == tls) |
bb2b2a24 | 146 | cout << "type size: " << size << endl; |
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147 | |
148 | string status_string; | |
149 | switch (status) | |
150 | { | |
4b260c20 BK |
151 | case added: |
152 | status_string = "added"; | |
153 | break; | |
154 | case subtracted: | |
155 | status_string = "subtracted"; | |
156 | break; | |
bb2b2a24 BK |
157 | case undesignated: |
158 | status_string = "undesignated"; | |
4b260c20 BK |
159 | break; |
160 | default: | |
161 | status_string = "<default>"; | |
162 | } | |
bb2b2a24 BK |
163 | cout << "status: " << status_string << endl; |
164 | ||
165 | cout << endl; | |
4b260c20 BK |
166 | } |
167 | ||
168 | ||
169 | bool | |
bb2b2a24 | 170 | check_version(symbol& test, bool added) |
4b260c20 | 171 | { |
bb2b2a24 | 172 | // Construct list of compatible versions. |
4b260c20 BK |
173 | typedef std::vector<std::string> compat_list; |
174 | static compat_list known_versions; | |
175 | if (known_versions.empty()) | |
176 | { | |
bb2b2a24 BK |
177 | // NB: First version here must be the default version for this |
178 | // version of DT_SONAME. | |
4b260c20 | 179 | known_versions.push_back("GLIBCXX_3.4"); |
7c9fee34 | 180 | known_versions.push_back("GLIBCXX_3.4.1"); |
9e802114 | 181 | known_versions.push_back("GLIBCXX_3.4.2"); |
0e98ac62 | 182 | known_versions.push_back("GLIBCXX_3.4.3"); |
c9fd7c7b | 183 | known_versions.push_back("GLIBCXX_3.4.4"); |
36b72d8d | 184 | known_versions.push_back("GLIBCXX_3.4.5"); |
bb2b2a24 | 185 | known_versions.push_back("GLIBCXX_3.4.6"); |
18c75543 | 186 | known_versions.push_back("GLIBCXX_3.4.7"); |
45f388bb | 187 | known_versions.push_back("GLIBCXX_3.4.8"); |
0efaed01 | 188 | known_versions.push_back("GLIBCXX_3.4.9"); |
5dddb7e5 | 189 | known_versions.push_back("GLIBCXX_3.4.10"); |
31908b79 | 190 | known_versions.push_back("GLIBCXX_3.4.11"); |
efdb7347 | 191 | known_versions.push_back("GLIBCXX_3.4.12"); |
95bfca5e | 192 | known_versions.push_back("GLIBCXX_3.4.13"); |
41bc3c4a | 193 | known_versions.push_back("GLIBCXX_3.4.14"); |
1e2c0906 | 194 | known_versions.push_back("GLIBCXX_3.4.15"); |
07703a37 | 195 | known_versions.push_back("GLIBCXX_3.4.16"); |
43653c33 | 196 | known_versions.push_back("GLIBCXX_3.4.17"); |
90a75549 | 197 | known_versions.push_back("GLIBCXX_3.4.18"); |
6defecc2 JJ |
198 | known_versions.push_back("GLIBCXX_LDBL_3.4"); |
199 | known_versions.push_back("GLIBCXX_LDBL_3.4.7"); | |
7371aff8 | 200 | known_versions.push_back("GLIBCXX_LDBL_3.4.10"); |
4b260c20 | 201 | known_versions.push_back("CXXABI_1.3"); |
44dd2da2 | 202 | known_versions.push_back("CXXABI_1.3.1"); |
9b4fc32c | 203 | known_versions.push_back("CXXABI_1.3.2"); |
c466b2cd | 204 | known_versions.push_back("CXXABI_1.3.3"); |
fae927d3 | 205 | known_versions.push_back("CXXABI_1.3.4"); |
67275575 | 206 | known_versions.push_back("CXXABI_1.3.5"); |
50da34bb | 207 | known_versions.push_back("CXXABI_1.3.6"); |
f5220359 | 208 | known_versions.push_back("CXXABI_1.3.7"); |
6defecc2 | 209 | known_versions.push_back("CXXABI_LDBL_1.3"); |
c9fd7c7b | 210 | known_versions.push_back("CXXABI_TM_1"); |
4b260c20 BK |
211 | } |
212 | compat_list::iterator begin = known_versions.begin(); | |
213 | compat_list::iterator end = known_versions.end(); | |
214 | ||
bb2b2a24 BK |
215 | // Check for compatible version. |
216 | if (test.version_name.size()) | |
217 | { | |
218 | compat_list::iterator it1 = find(begin, end, test.version_name); | |
219 | compat_list::iterator it2 = find(begin, end, test.name); | |
220 | if (it1 != end) | |
221 | test.version_status = symbol::compatible; | |
222 | else | |
223 | test.version_status = symbol::incompatible; | |
c9fd7c7b BK |
224 | |
225 | // Check that added symbols are added in the latest pre-release version. | |
90a75549 | 226 | bool latestp = (test.version_name == "GLIBCXX_3.4.18" |
f5220359 | 227 | || test.version_name == "CXXABI_1.3.7" |
c9fd7c7b BK |
228 | || test.version_name == "CXXABI_TM_1"); |
229 | if (added && !latestp) | |
bb2b2a24 | 230 | test.version_status = symbol::incompatible; |
c75bd36b | 231 | |
0c312c2d BK |
232 | // Check that long double compatibility symbols demangled as |
233 | // __float128 are put into some _LDBL_ version name. | |
234 | if (added && test.demangled_name.find("__float128") != std::string::npos) | |
235 | { | |
236 | // Has to be in _LDBL_ version name. | |
237 | if (test.version_name.find("_LDBL_") == std::string::npos) | |
238 | test.version_status = symbol::incompatible; | |
239 | } | |
240 | ||
bb2b2a24 BK |
241 | // Check for weak label. |
242 | if (it1 == end && it2 == end) | |
243 | test.version_status = symbol::incompatible; | |
c9fd7c7b BK |
244 | |
245 | // Check that | |
bb2b2a24 BK |
246 | // GLIBCXX_3.4 |
247 | // GLIBCXX_3.4.5 | |
248 | // version as compatible | |
249 | // XXX | |
250 | } | |
251 | else | |
252 | { | |
253 | if (added) | |
254 | { | |
255 | // New version labels are ok. The rest are not. | |
256 | compat_list::iterator it2 = find(begin, end, test.name); | |
257 | if (it2 != end) | |
6defecc2 | 258 | test.version_status = symbol::compatible; |
bb2b2a24 BK |
259 | else |
260 | test.version_status = symbol::incompatible; | |
261 | } | |
262 | } | |
263 | return test.version_status == symbol::compatible; | |
4b260c20 BK |
264 | } |
265 | ||
c9fd7c7b | 266 | bool |
bb2b2a24 | 267 | check_compatible(symbol& lhs, symbol& rhs, bool verbose) |
4b260c20 BK |
268 | { |
269 | bool ret = true; | |
270 | const char tab = '\t'; | |
271 | ||
272 | // Check to see if symbol_objects are compatible. | |
273 | if (lhs.type != rhs.type) | |
274 | { | |
275 | ret = false; | |
276 | if (verbose) | |
277 | cout << tab << "incompatible types" << endl; | |
278 | } | |
c9fd7c7b | 279 | |
4b260c20 BK |
280 | if (lhs.name != rhs.name) |
281 | { | |
282 | ret = false; | |
283 | if (verbose) | |
284 | cout << tab << "incompatible names" << endl; | |
285 | } | |
286 | ||
287 | if (lhs.size != rhs.size) | |
288 | { | |
289 | ret = false; | |
290 | if (verbose) | |
291 | { | |
292 | cout << tab << "incompatible sizes" << endl; | |
293 | cout << tab << lhs.size << endl; | |
294 | cout << tab << rhs.size << endl; | |
295 | } | |
296 | } | |
297 | ||
c9fd7c7b | 298 | if (lhs.version_name != rhs.version_name |
4b260c20 BK |
299 | && !check_version(lhs) && !check_version(rhs)) |
300 | { | |
301 | ret = false; | |
302 | if (verbose) | |
303 | { | |
304 | cout << tab << "incompatible versions" << endl; | |
305 | cout << tab << lhs.version_name << endl; | |
306 | cout << tab << rhs.version_name << endl; | |
307 | } | |
308 | } | |
309 | ||
310 | if (verbose) | |
311 | cout << endl; | |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
316 | ||
0c312c2d BK |
317 | inline bool |
318 | has_symbol(const string& name, const symbols& s) throw() | |
319 | { return s.find(name) != s.end(); } | |
4b260c20 | 320 | |
0c312c2d BK |
321 | const symbol& |
322 | get_symbol(const string& name, const symbols& s) | |
4b260c20 | 323 | { |
0c312c2d BK |
324 | symbols::const_iterator i = s.find(name); |
325 | if (i != s.end()) | |
4b260c20 | 326 | { |
0c312c2d | 327 | return i->second; |
4b260c20 BK |
328 | } |
329 | else | |
330 | { | |
331 | ostringstream os; | |
0c312c2d | 332 | os << "get_symbol failed for symbol " << name; |
56ffd9b3 | 333 | __throw_logic_error(os.str().c_str()); |
4b260c20 BK |
334 | } |
335 | } | |
336 | ||
c9fd7c7b | 337 | void |
4b260c20 BK |
338 | examine_symbol(const char* name, const char* file) |
339 | { | |
340 | try | |
341 | { | |
342 | symbols s = create_symbols(file); | |
0c312c2d | 343 | const symbol& sym = get_symbol(name, s); |
4b260c20 BK |
344 | sym.print(); |
345 | } | |
346 | catch(...) | |
d98fd134 | 347 | { __throw_exception_again; } |
4b260c20 BK |
348 | } |
349 | ||
fdbba6bc | 350 | int |
c9fd7c7b | 351 | compare_symbols(const char* baseline_file, const char* test_file, |
4b260c20 BK |
352 | bool verbose) |
353 | { | |
354 | // Input both lists of symbols into container. | |
355 | symbols baseline = create_symbols(baseline_file); | |
356 | symbols test = create_symbols(test_file); | |
4b260c20 BK |
357 | |
358 | // Sanity check results. | |
0c312c2d | 359 | if (!baseline.size() || !test.size()) |
4b260c20 BK |
360 | { |
361 | cerr << "Problems parsing the list of exported symbols." << endl; | |
362 | exit(2); | |
363 | } | |
364 | ||
4a49c70b BK |
365 | // Check to see if any long double compatibility symbols are produced. |
366 | bool ld_version_found(false); | |
0c312c2d BK |
367 | symbols::iterator li(test.begin()); |
368 | while (!ld_version_found && li != test.end()) | |
4a49c70b | 369 | { |
0c312c2d | 370 | if (li->second.version_name.find("_LDBL_") != std::string::npos) |
4a49c70b BK |
371 | ld_version_found = true; |
372 | ++li; | |
373 | } | |
374 | ||
4b260c20 | 375 | // Sort out names. |
0c312c2d BK |
376 | // Assuming all baseline names and test names are both unique w/ no |
377 | // duplicates. | |
4b260c20 | 378 | // |
0c312c2d | 379 | // The names added to missing_names are baseline names not found in |
c9fd7c7b | 380 | // test names |
4b260c20 BK |
381 | // -> symbols that have been deleted. |
382 | // | |
0c312c2d BK |
383 | // The names added to added_names are test names not in |
384 | // baseline names | |
4b260c20 | 385 | // -> symbols that have been added. |
0c312c2d | 386 | typedef std::vector<std::string> symbol_names; |
4b260c20 BK |
387 | symbol_names shared_names; |
388 | symbol_names missing_names; | |
0c312c2d BK |
389 | symbol_names added_names; |
390 | for (li = test.begin(); li != test.end(); ++li) | |
391 | added_names.push_back(li->first); | |
392 | ||
393 | for (symbols::iterator i = baseline.begin(); i != baseline.end(); ++i) | |
4b260c20 | 394 | { |
0c312c2d | 395 | string name(i->first); |
4b260c20 | 396 | symbol_names::iterator end = added_names.end(); |
0c312c2d | 397 | symbol_names::iterator it = find(added_names.begin(), end, name); |
4b260c20 BK |
398 | if (it != end) |
399 | { | |
400 | // Found. | |
0c312c2d | 401 | shared_names.push_back(name); |
4b260c20 BK |
402 | added_names.erase(it); |
403 | } | |
0c312c2d BK |
404 | else |
405 | { | |
406 | // Iff no test long double compatibility symbols at all and the symbol | |
407 | // missing is a baseline long double compatibility symbol, skip. | |
408 | string version_name(i->second.version_name); | |
409 | bool base_ld(version_name.find("_LDBL_") != std::string::npos); | |
410 | if (!base_ld || base_ld && ld_version_found) | |
411 | missing_names.push_back(name); | |
412 | } | |
4b260c20 BK |
413 | } |
414 | ||
0c312c2d | 415 | // Fill out list of incompatible symbols. |
4b260c20 BK |
416 | typedef pair<symbol, symbol> symbol_pair; |
417 | vector<symbol_pair> incompatible; | |
0c312c2d | 418 | |
c9fd7c7b BK |
419 | // Fill out list of undesignated symbols. |
420 | vector<symbol> undesignated; | |
421 | ||
0c312c2d BK |
422 | // Check missing names for compatibility. |
423 | for (size_t j = 0; j < missing_names.size(); ++j) | |
4b260c20 | 424 | { |
0c312c2d BK |
425 | symbol& sbase = baseline[missing_names[j]]; |
426 | sbase.status = symbol::subtracted; | |
427 | incompatible.push_back(symbol_pair(sbase, sbase)); | |
4b260c20 BK |
428 | } |
429 | ||
430 | // Check shared names for compatibility. | |
6defecc2 JJ |
431 | const symbol_names::size_type shared_size = shared_names.size(); |
432 | for (size_t k = 0; k < shared_size; ++k) | |
4b260c20 | 433 | { |
0c312c2d BK |
434 | symbol& sbase = baseline[shared_names[k]]; |
435 | symbol& stest = test[shared_names[k]]; | |
436 | stest.status = symbol::existing; | |
437 | if (!check_compatible(sbase, stest)) | |
438 | incompatible.push_back(symbol_pair(sbase, stest)); | |
4b260c20 BK |
439 | } |
440 | ||
441 | // Check added names for compatibility. | |
6defecc2 JJ |
442 | const symbol_names::size_type added_size = added_names.size(); |
443 | for (size_t l = 0; l < added_size; ++l) | |
4b260c20 | 444 | { |
0c312c2d | 445 | symbol& stest = test[added_names[l]]; |
c9fd7c7b BK |
446 | |
447 | // Mark TLS as undesignated, remove from added. | |
448 | if (stest.type == symbol::tls) | |
449 | { | |
450 | stest.status = symbol::undesignated; | |
451 | if (!check_version(stest, false)) | |
452 | incompatible.push_back(symbol_pair(stest, stest)); | |
453 | else | |
454 | undesignated.push_back(stest); | |
455 | } | |
456 | else | |
457 | { | |
458 | stest.status = symbol::added; | |
459 | if (!check_version(stest, true)) | |
460 | incompatible.push_back(symbol_pair(stest, stest)); | |
461 | } | |
4b260c20 BK |
462 | } |
463 | ||
c9fd7c7b BK |
464 | // Normalize added names and undesignated names. |
465 | const size_t undesignated_size = undesignated.size(); | |
466 | for (size_t l = 0; l < undesignated_size; ++l) | |
467 | { | |
468 | symbol& sundes = undesignated[l]; | |
469 | symbol_names::iterator end = added_names.end(); | |
470 | symbol_names::iterator it = find(added_names.begin(), end, sundes.name); | |
471 | if (it != end) | |
472 | { | |
473 | // Found. | |
474 | added_names.erase(it); | |
475 | } | |
476 | else | |
477 | __throw_runtime_error(sundes.name.c_str()); | |
478 | } | |
479 | ||
480 | ||
4b260c20 BK |
481 | // Report results. |
482 | if (verbose && added_names.size()) | |
483 | { | |
bb2b2a24 | 484 | cout << endl << added_names.size() << " added symbols " << endl; |
4b260c20 | 485 | for (size_t j = 0; j < added_names.size() ; ++j) |
bb2b2a24 BK |
486 | { |
487 | cout << j << endl; | |
0c312c2d | 488 | test[added_names[j]].print(); |
bb2b2a24 | 489 | } |
4b260c20 | 490 | } |
c9fd7c7b | 491 | |
4b260c20 BK |
492 | if (verbose && missing_names.size()) |
493 | { | |
bb2b2a24 | 494 | cout << endl << missing_names.size() << " missing symbols " << endl; |
4b260c20 | 495 | for (size_t j = 0; j < missing_names.size() ; ++j) |
bb2b2a24 BK |
496 | { |
497 | cout << j << endl; | |
0c312c2d | 498 | baseline[missing_names[j]].print(); |
bb2b2a24 | 499 | } |
4b260c20 | 500 | } |
c9fd7c7b BK |
501 | |
502 | if (verbose && undesignated.size()) | |
503 | { | |
504 | cout << endl << undesignated.size() << " undesignated symbols " << endl; | |
505 | for (size_t j = 0; j < undesignated.size() ; ++j) | |
506 | { | |
507 | // First, print index. | |
508 | cout << j << endl; | |
509 | ||
510 | // Second, report name. | |
511 | symbol& s = undesignated[j]; | |
512 | s.print(); | |
513 | } | |
514 | } | |
515 | ||
4b260c20 BK |
516 | if (verbose && incompatible.size()) |
517 | { | |
bb2b2a24 | 518 | cout << endl << incompatible.size() << " incompatible symbols " << endl; |
4b260c20 BK |
519 | for (size_t j = 0; j < incompatible.size() ; ++j) |
520 | { | |
bb2b2a24 BK |
521 | // First, print index. |
522 | cout << j << endl; | |
523 | ||
524 | // Second, report name. | |
0c312c2d BK |
525 | symbol& sbase = incompatible[j].first; |
526 | symbol& stest = incompatible[j].second; | |
527 | stest.print(); | |
c9fd7c7b BK |
528 | |
529 | // Third, report reason or reasons incompatible. | |
0c312c2d | 530 | check_compatible(sbase, stest, true); |
4b260c20 BK |
531 | } |
532 | } | |
c9fd7c7b | 533 | |
332781bb | 534 | cout << "\n\t\t==== libstdc++-v3 check-abi Summary ====" << endl; |
4b260c20 BK |
535 | cout << endl; |
536 | cout << "# of added symbols:\t\t " << added_names.size() << endl; | |
537 | cout << "# of missing symbols:\t\t " << missing_names.size() << endl; | |
c9fd7c7b | 538 | cout << "# of undesignated symbols:\t " << undesignated.size() << endl; |
4b260c20 BK |
539 | cout << "# of incompatible symbols:\t " << incompatible.size() << endl; |
540 | cout << endl; | |
541 | cout << "using: " << baseline_file << endl; | |
fdbba6bc MM |
542 | |
543 | return !(missing_names.size() || incompatible.size()); | |
4b260c20 BK |
544 | } |
545 | ||
546 | ||
547 | symbols | |
548 | create_symbols(const char* file) | |
549 | { | |
550 | symbols s; | |
551 | ifstream ifs(file); | |
552 | if (ifs.is_open()) | |
553 | { | |
0c312c2d BK |
554 | // Organize file data into an associated container (symbols) of symbol |
555 | // objects mapped to mangled names without versioning | |
556 | // information. | |
4b260c20 BK |
557 | const string empty; |
558 | string line = empty; | |
559 | while (getline(ifs, line).good()) | |
560 | { | |
561 | symbol tmp; | |
562 | tmp.init(line); | |
0c312c2d | 563 | s[tmp.name] = tmp; |
4b260c20 BK |
564 | line = empty; |
565 | } | |
566 | } | |
567 | else | |
568 | { | |
569 | ostringstream os; | |
570 | os << "create_symbols failed for file " << file; | |
56ffd9b3 | 571 | __throw_runtime_error(os.str().c_str()); |
4b260c20 BK |
572 | } |
573 | return s; | |
574 | } | |
575 | ||
576 | ||
577 | const char* | |
578 | demangle(const std::string& mangled) | |
579 | { | |
580 | const char* name; | |
581 | if (mangled[0] != '_' || mangled[1] != 'Z') | |
582 | { | |
583 | // This is not a mangled symbol, thus has "C" linkage. | |
584 | name = mangled.c_str(); | |
585 | } | |
586 | else | |
587 | { | |
588 | // Use __cxa_demangle to demangle. | |
589 | int status = 0; | |
590 | name = abi::__cxa_demangle(mangled.c_str(), 0, 0, &status); | |
591 | if (!name) | |
592 | { | |
593 | switch (status) | |
594 | { | |
595 | case 0: | |
596 | name = "error code = 0: success"; | |
597 | break; | |
598 | case -1: | |
599 | name = "error code = -1: memory allocation failure"; | |
600 | break; | |
601 | case -2: | |
602 | name = "error code = -2: invalid mangled name"; | |
603 | break; | |
604 | case -3: | |
605 | name = "error code = -3: invalid arguments"; | |
606 | break; | |
607 | default: | |
608 | name = "error code unknown - who knows what happened"; | |
609 | } | |
610 | } | |
611 | } | |
612 | return name; | |
613 | } |