1 // Compatibility symbols for previous versions -*- C++ -*-
2
3 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
4 //
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
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
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.
15
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/>.
24
25 #define _GLIBCXX_USE_CXX11_ABI 0
26 #include <bits/c++config.h>
27
28 #if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
29 && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE)\
30 && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
31 #define istreambuf_iterator istreambuf_iteratorXX
32 #define basic_fstream basic_fstreamXX
33 #define basic_ifstream basic_ifstreamXX
34 #define basic_ofstream basic_ofstreamXX
35 #define _M_copy(a, b, c) _M_copyXX(a, b, c)
36 #define _M_move(a, b, c) _M_moveXX(a, b, c)
37 #define _M_assign(a, b, c) _M_assignXX(a, b, c)
38 #define _M_disjunct(a) _M_disjunctXX(a)
39 #define _M_check_length(a, b, c) _M_check_lengthXX(a, b, c)
40 #define _M_set_length_and_sharable(a) _M_set_length_and_sharableXX(a)
41 #define ignore ignoreXX
42 #define eq eqXX
43 #define _List_node_base _List_node_baseXX
44 #endif
45
46 #include <string>
47 #include <istream>
48 #include <fstream>
49 #include <sstream>
50 #include <cmath>
51 #include <ext/numeric_traits.h>
52
53 namespace std _GLIBCXX_VISIBILITY(default)
54 {
55 _GLIBCXX_BEGIN_NAMESPACE_VERSION
56
57 // std::istream ignore explicit specializations.
58 template<>
59 basic_istream<char>&
60 basic_istream<char>::
ignore(streamsize __n)61 ignore(streamsize __n)
62 {
63 if (__n == 1)
64 return ignore();
65
66 _M_gcount = 0;
67 sentry __cerb(*this, true);
68 if ( __n > 0 && __cerb)
69 {
70 ios_base::iostate __err = ios_base::goodbit;
71 __try
72 {
73 const int_type __eof = traits_type::eof();
74 __streambuf_type* __sb = this->rdbuf();
75 int_type __c = __sb->sgetc();
76
77 // See comment in istream.tcc.
78 bool __large_ignore = false;
79 while (true)
80 {
81 while (_M_gcount < __n
82 && !traits_type::eq_int_type(__c, __eof))
83 {
84 streamsize __size = std::min(streamsize(__sb->egptr()
85 - __sb->gptr()),
86 streamsize(__n - _M_gcount));
87 if (__size > 1)
88 {
89 __sb->__safe_gbump(__size);
90 _M_gcount += __size;
91 __c = __sb->sgetc();
92 }
93 else
94 {
95 ++_M_gcount;
96 __c = __sb->snextc();
97 }
98 }
99 if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
100 && !traits_type::eq_int_type(__c, __eof))
101 {
102 _M_gcount =
103 __gnu_cxx::__numeric_traits<streamsize>::__min;
104 __large_ignore = true;
105 }
106 else
107 break;
108 }
109
110 if (__large_ignore)
111 _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
112
113 if (traits_type::eq_int_type(__c, __eof))
114 __err |= ios_base::eofbit;
115 }
116 __catch(__cxxabiv1::__forced_unwind&)
117 {
118 this->_M_setstate(ios_base::badbit);
119 __throw_exception_again;
120 }
121 __catch(...)
122 { this->_M_setstate(ios_base::badbit); }
123 if (__err)
124 this->setstate(__err);
125 }
126 return *this;
127 }
128
129 #ifdef _GLIBCXX_USE_WCHAR_T
130 template<>
131 basic_istream<wchar_t>&
132 basic_istream<wchar_t>::
ignore(streamsize __n)133 ignore(streamsize __n)
134 {
135 if (__n == 1)
136 return ignore();
137
138 _M_gcount = 0;
139 sentry __cerb(*this, true);
140 if (__n > 0 && __cerb)
141 {
142 ios_base::iostate __err = ios_base::goodbit;
143 __try
144 {
145 const int_type __eof = traits_type::eof();
146 __streambuf_type* __sb = this->rdbuf();
147 int_type __c = __sb->sgetc();
148
149 bool __large_ignore = false;
150 while (true)
151 {
152 while (_M_gcount < __n
153 && !traits_type::eq_int_type(__c, __eof))
154 {
155 streamsize __size = std::min(streamsize(__sb->egptr()
156 - __sb->gptr()),
157 streamsize(__n - _M_gcount));
158 if (__size > 1)
159 {
160 __sb->__safe_gbump(__size);
161 _M_gcount += __size;
162 __c = __sb->sgetc();
163 }
164 else
165 {
166 ++_M_gcount;
167 __c = __sb->snextc();
168 }
169 }
170 if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
171 && !traits_type::eq_int_type(__c, __eof))
172 {
173 _M_gcount =
174 __gnu_cxx::__numeric_traits<streamsize>::__min;
175 __large_ignore = true;
176 }
177 else
178 break;
179 }
180
181 if (__large_ignore)
182 _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
183
184 if (traits_type::eq_int_type(__c, __eof))
185 __err |= ios_base::eofbit;
186 }
187 __catch(__cxxabiv1::__forced_unwind&)
188 {
189 this->_M_setstate(ios_base::badbit);
190 __throw_exception_again;
191 }
192 __catch(...)
193 { this->_M_setstate(ios_base::badbit); }
194 if (__err)
195 this->setstate(__err);
196 }
197 return *this;
198 }
199 #endif
200
201 _GLIBCXX_END_NAMESPACE_VERSION
202 } // namespace std
203
204
205 // NB: These symbols renames should go into the shared library only,
206 // and only those shared libraries that support versioning.
207 #if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
208 && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \
209 && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
210
211 /* gcc-3.4.4
212 _ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEppEv
213 _ZNSt19istreambuf_iteratorIwSt11char_traitsIwEEppEv
214 */
215
216 namespace std _GLIBCXX_VISIBILITY(default)
217 {
218 _GLIBCXX_BEGIN_NAMESPACE_VERSION
219
220 template
221 istreambuf_iterator<char>&
222 istreambuf_iterator<char>::operator++();
223
224 #ifdef _GLIBCXX_USE_WCHAR_T
225 template
226 istreambuf_iterator<wchar_t>&
227 istreambuf_iterator<wchar_t>::operator++();
228 #endif
229
230 _GLIBCXX_END_NAMESPACE_VERSION
231 } // namespace std
232
233
234 /* gcc-4.0.0
235 _ZNSs4_Rep26_M_set_length_and_sharableEj
236 _ZNSs7_M_copyEPcPKcj
237 _ZNSs7_M_moveEPcPKcj
238 _ZNSs9_M_assignEPcjc
239 _ZNKSs11_M_disjunctEPKc
240 _ZNKSs15_M_check_lengthEjjPKc
241 _ZNSbIwSt11char_traitsIwESaIwEE4_Rep26_M_set_length_and_sharableEj
242 _ZNSbIwSt11char_traitsIwESaIwEE7_M_copyEPwPKwj
243 _ZNSbIwSt11char_traitsIwESaIwEE7_M_moveEPwPKwj
244 _ZNSbIwSt11char_traitsIwESaIwEE9_M_assignEPwjw
245 _ZNKSbIwSt11char_traitsIwESaIwEE11_M_disjunctEPKw
246 _ZNKSbIwSt11char_traitsIwESaIwEE15_M_check_lengthEjjPKc
247
248 _ZNKSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv
249 _ZNKSt13basic_fstreamIwSt11char_traitsIwEE7is_openEv
250 _ZNKSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv
251 _ZNKSt14basic_ifstreamIwSt11char_traitsIwEE7is_openEv
252 _ZNKSt14basic_ofstreamIcSt11char_traitsIcEE7is_openEv
253 _ZNKSt14basic_ofstreamIwSt11char_traitsIwEE7is_openEv
254
255 _ZNSi6ignoreEi
256 _ZNSi6ignoreEv
257 _ZNSt13basic_istreamIwSt11char_traitsIwEE6ignoreEi
258 _ZNSt13basic_istreamIwSt11char_traitsIwEE6ignoreEv
259
260 _ZNSt11char_traitsIcE2eqERKcS2_
261 _ZNSt11char_traitsIwE2eqERKwS2_
262 */
263 namespace std _GLIBCXX_VISIBILITY(default)
264 {
265 _GLIBCXX_BEGIN_NAMESPACE_VERSION
266
267 // std::char_traits is explicitly specialized
268 bool (* __p1)(const char&, const char&) = &char_traits<char>::eq;
269
270 // std::string
271 template
272 void
273 basic_string<char>::_M_copy(char*, const char*, size_t);
274
275 template
276 void
277 basic_string<char>::_M_move(char*, const char*, size_t);
278
279 template
280 void
281 basic_string<char>::_M_assign(char*, size_t, char);
282
283 template
284 bool
285 basic_string<char>::_M_disjunct(const char*) const;
286
287 template
288 void
289 basic_string<char>::_M_check_length(size_t, size_t, const char*) const;
290
291 template
292 void
293 basic_string<char>::_Rep::_M_set_length_and_sharable(size_t);
294
295
296 // std::istream
297 template
298 basic_istream<char>&
299 basic_istream<char>::ignore();
300
301 template
302 bool
303 basic_fstream<char>::is_open() const;
304
305 template
306 bool
307 basic_ifstream<char>::is_open() const;
308
309 template
310 bool
311 basic_ofstream<char>::is_open() const;
312
313 #ifdef _GLIBCXX_USE_WCHAR_T
314 bool (* __p2)(const wchar_t&, const wchar_t&) = &char_traits<wchar_t>::eq;
315
316 // std::wstring
317 template
318 void
319 basic_string<wchar_t>::_M_copy(wchar_t*, const wchar_t*, size_t);
320
321 template
322 void
323 basic_string<wchar_t>::_M_move(wchar_t*, const wchar_t*, size_t);
324
325 template
326 void
327 basic_string<wchar_t>::_M_assign(wchar_t*, size_t, wchar_t);
328
329 template
330 bool
331 basic_string<wchar_t>::_M_disjunct(const wchar_t*) const;
332
333 template
334 void
335 basic_string<wchar_t>::_M_check_length(size_t, size_t,
336 const char*) const;
337
338 template
339 void
340 basic_string<wchar_t>::_Rep::_M_set_length_and_sharable(size_t);
341
342 template
343 basic_istream<wchar_t>&
344 basic_istream<wchar_t>::ignore();
345
346 template
347 bool
348 basic_fstream<wchar_t>::is_open() const;
349
350 template
351 bool
352 basic_ifstream<wchar_t>::is_open() const;
353
354 template
355 bool
356 basic_ofstream<wchar_t>::is_open() const;
357 #endif
358
359 _GLIBCXX_END_NAMESPACE_VERSION
360 } // namespace std
361
362 // The rename syntax for default exported names is
363 // asm (".symver name1,exportedname@GLIBCXX_3.4")
364 // asm (".symver name2,exportedname@@GLIBCXX_3.4.5")
365 // In the future, GLIBCXX_ABI > 6 should remove all uses of
366 // _GLIBCXX_*_SYMVER macros in this file.
367
368 #ifdef _GLIBCXX_COMPAT_
369 #define _GLIBCXX_3_4_SYMVER(XXname, name) \
370 extern "C" void \
371 _X##name(...) \
372 __attribute__ ((alias(#XXname))); \
373 asm (".symver " "_X" #name "," #name "@GLIBCXX_3.4");
374
375 #define _GLIBCXX_3_4_5_SYMVER(XXname, name) \
376 extern "C" void \
377 _Y##name(...) \
378 __attribute__ ((alias(#XXname))); \
379 asm (".symver " "_Y" #name "," #name "@@GLIBCXX_3.4.5");
380
381 #define _GLIBCXX_ASM_SYMVER(cur, old, version) \
382 asm (".symver " #cur "," #old "@@" #version);
383 #else
384 #define _GLIBCXX_3_4_SYMVER(XXname, name)
385 #define _GLIBCXX_3_4_5_SYMVER(XXname, name)
386 #define _GLIBCXX_ASM_SYMVER(cur, old, version)
387 #endif
388
389 #define _GLIBCXX_APPLY_SYMVER _GLIBCXX_3_4_SYMVER
390 #include <abi/compatibility.h>
391 #undef _GLIBCXX_APPLY_SYMVER
392
393 #define _GLIBCXX_APPLY_SYMVER _GLIBCXX_3_4_5_SYMVER
394 #include <abi/compatibility.h>
395 #undef _GLIBCXX_APPLY_SYMVER
396
397
398 /* gcc-3.4.0
399 _ZN10__gnu_norm15_List_node_base4hookEPS0_;
400 _ZN10__gnu_norm15_List_node_base4swapERS0_S1_;
401 _ZN10__gnu_norm15_List_node_base6unhookEv;
402 _ZN10__gnu_norm15_List_node_base7reverseEv;
403 _ZN10__gnu_norm15_List_node_base8transferEPS0_S1_;
404 */
405 #include "list.cc"
406 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX7_M_hookEPS0_, \
407 _ZN10__gnu_norm15_List_node_base4hookEPS0_, \
408 GLIBCXX_3.4)
409
410 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX4swapERS0_S1_, \
411 _ZN10__gnu_norm15_List_node_base4swapERS0_S1_, \
412 GLIBCXX_3.4)
413
414 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX9_M_unhookEv, \
415 _ZN10__gnu_norm15_List_node_base6unhookEv, \
416 GLIBCXX_3.4)
417
418 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX10_M_reverseEv, \
419 _ZN10__gnu_norm15_List_node_base7reverseEv, \
420 GLIBCXX_3.4)
421
422 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX11_M_transferEPS0_S1_, \
423 _ZN10__gnu_norm15_List_node_base8transferEPS0_S1_, \
424 GLIBCXX_3.4)
425 #undef _List_node_base
426
427 // gcc-4.1.0
428 // Long double versions of "C" math functions.
429 #if defined (_GLIBCXX_LONG_DOUBLE_COMPAT) \
430 || (defined (__arm__) && defined (__linux__) && defined (__ARM_EABI__)) \
431 || (defined (__hppa__) && defined (__linux__)) \
432 || (defined (__m68k__) && defined (__mcoldfire__) && defined (__linux__)) \
433 || (defined (__mips__) && defined (_ABIO32) && defined (__linux__)) \
434 || (defined (__sh__) && defined (__linux__) && __SIZEOF_SIZE_T__ == 4) \
435
436 #define _GLIBCXX_MATHL_WRAPPER(name, argdecl, args, ver) \
437 extern "C" double \
438 __ ## name ## l_wrapper argdecl \
439 { \
440 return name args; \
441 } \
442 asm (".symver __" #name "l_wrapper, " #name "l@" #ver)
443
444 #define _GLIBCXX_MATHL_WRAPPER1(name, ver) \
445 _GLIBCXX_MATHL_WRAPPER (name, (double x), (x), ver)
446
447 #define _GLIBCXX_MATHL_WRAPPER2(name, ver) \
448 _GLIBCXX_MATHL_WRAPPER (name, (double x, double y), (x, y), ver)
449
450 #ifdef _GLIBCXX_HAVE_ACOSL
451 _GLIBCXX_MATHL_WRAPPER1 (acos, GLIBCXX_3.4.3);
452 #endif
453 #ifdef _GLIBCXX_HAVE_ASINL
454 _GLIBCXX_MATHL_WRAPPER1 (asin, GLIBCXX_3.4.3);
455 #endif
456 #ifdef _GLIBCXX_HAVE_ATAN2L
457 _GLIBCXX_MATHL_WRAPPER2 (atan2, GLIBCXX_3.4);
458 #endif
459 #ifdef _GLIBCXX_HAVE_ATANL
460 _GLIBCXX_MATHL_WRAPPER1 (atan, GLIBCXX_3.4.3);
461 #endif
462 #ifdef _GLIBCXX_HAVE_CEILL
463 _GLIBCXX_MATHL_WRAPPER1 (ceil, GLIBCXX_3.4.3);
464 #endif
465 #ifdef _GLIBCXX_HAVE_COSHL
466 _GLIBCXX_MATHL_WRAPPER1 (cosh, GLIBCXX_3.4);
467 #endif
468 #ifdef _GLIBCXX_HAVE_COSL
469 _GLIBCXX_MATHL_WRAPPER1 (cos, GLIBCXX_3.4);
470 #endif
471 #ifdef _GLIBCXX_HAVE_EXPL
472 _GLIBCXX_MATHL_WRAPPER1 (exp, GLIBCXX_3.4);
473 #endif
474 #ifdef _GLIBCXX_HAVE_FLOORL
475 _GLIBCXX_MATHL_WRAPPER1 (floor, GLIBCXX_3.4.3);
476 #endif
477 #ifdef _GLIBCXX_HAVE_FMODL
478 _GLIBCXX_MATHL_WRAPPER2 (fmod, GLIBCXX_3.4.3);
479 #endif
480 #ifdef _GLIBCXX_HAVE_FREXPL
481 _GLIBCXX_MATHL_WRAPPER (frexp, (double x, int *y), (x, y), GLIBCXX_3.4.3);
482 #endif
483 #ifdef _GLIBCXX_HAVE_HYPOTL
484 _GLIBCXX_MATHL_WRAPPER2 (hypot, GLIBCXX_3.4);
485 #endif
486 #ifdef _GLIBCXX_HAVE_LDEXPL
487 _GLIBCXX_MATHL_WRAPPER (ldexp, (double x, int y), (x, y), GLIBCXX_3.4.3);
488 #endif
489 #ifdef _GLIBCXX_HAVE_LOG10L
490 _GLIBCXX_MATHL_WRAPPER1 (log10, GLIBCXX_3.4);
491 #endif
492 #ifdef _GLIBCXX_HAVE_LOGL
493 _GLIBCXX_MATHL_WRAPPER1 (log, GLIBCXX_3.4);
494 #endif
495 #ifdef _GLIBCXX_HAVE_MODFL
496 _GLIBCXX_MATHL_WRAPPER (modf, (double x, double *y), (x, y), GLIBCXX_3.4.3);
497 #endif
498 #ifdef _GLIBCXX_HAVE_POWL
499 _GLIBCXX_MATHL_WRAPPER2 (pow, GLIBCXX_3.4);
500 #endif
501 #ifdef _GLIBCXX_HAVE_SINHL
502 _GLIBCXX_MATHL_WRAPPER1 (sinh, GLIBCXX_3.4);
503 #endif
504 #ifdef _GLIBCXX_HAVE_SINL
505 _GLIBCXX_MATHL_WRAPPER1 (sin, GLIBCXX_3.4);
506 #endif
507 #ifdef _GLIBCXX_HAVE_SQRTL
508 _GLIBCXX_MATHL_WRAPPER1 (sqrt, GLIBCXX_3.4);
509 #endif
510 #ifdef _GLIBCXX_HAVE_TANHL
511 _GLIBCXX_MATHL_WRAPPER1 (tanh, GLIBCXX_3.4);
512 #endif
513 #ifdef _GLIBCXX_HAVE_TANL
514 _GLIBCXX_MATHL_WRAPPER1 (tan, GLIBCXX_3.4);
515 #endif
516 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT
517
518 #endif
519
520 #ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
521 extern void *_ZTVN10__cxxabiv123__fundamental_type_infoE[];
522 extern void *_ZTVN10__cxxabiv119__pointer_type_infoE[];
523 extern __attribute__((used, weak)) const char _ZTSe[2] = "e";
524 extern __attribute__((used, weak)) const char _ZTSPe[3] = "Pe";
525 extern __attribute__((used, weak)) const char _ZTSPKe[4] = "PKe";
526 extern __attribute__((used, weak)) const void * const _ZTIe[2]
527 = { reinterpret_cast<const void *>
528 (&_ZTVN10__cxxabiv123__fundamental_type_infoE[2]),
529 reinterpret_cast<const void *>(_ZTSe) };
530 extern __attribute__((used, weak)) const void * const _ZTIPe[4]
531 = { reinterpret_cast<const void *>
532 (&_ZTVN10__cxxabiv119__pointer_type_infoE[2]),
533 reinterpret_cast<const void *>(_ZTSPe),
534 reinterpret_cast<const void *>(0L),
535 reinterpret_cast<const void *>(_ZTIe) };
536 extern __attribute__((used, weak)) const void * const _ZTIPKe[4]
537 = { reinterpret_cast<const void *>
538 (&_ZTVN10__cxxabiv119__pointer_type_infoE[2]),
539 reinterpret_cast<const void *>(_ZTSPKe),
540 reinterpret_cast<const void *>(1L),
541 reinterpret_cast<const void *>(_ZTIe) };
542 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT
543
544 #ifdef _GLIBCXX_SYMVER_DARWIN
545 #if (defined(__ppc__) || defined(__ppc64__)) && defined(_GLIBCXX_SHARED)
546 /* __eprintf shouldn't have been made visible from libstdc++, or
547 anywhere, but on Mac OS X 10.4 it was defined in
548 libstdc++.6.0.3.dylib; so on that platform we have to keep defining
549 it to keep binary compatibility. We can't just put the libgcc
550 version in the export list, because that doesn't work; once a
551 symbol is marked as hidden, it stays that way. */
552
553 #include <cstdio>
554 #include <cstdlib>
555
556 using namespace std;
557
558 extern "C" void
__eprintf(const char * string,const char * expression,unsigned int line,const char * filename)559 __eprintf(const char *string, const char *expression,
560 unsigned int line, const char *filename)
561 {
562 fprintf(stderr, string, expression, line, filename);
563 fflush(stderr);
564 abort();
565 }
566 #endif
567 #endif
568