1 // Compatibility symbols for previous versions -*- C++ -*-
2 
3 // Copyright (C) 2005-2014 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 #include <bits/c++config.h>
26 
27 #if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
28     && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE)\
29     && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
30 #define istreambuf_iterator istreambuf_iteratorXX
31 #define basic_fstream basic_fstreamXX
32 #define basic_ifstream basic_ifstreamXX
33 #define basic_ofstream basic_ofstreamXX
34 #define _M_copy(a, b, c) _M_copyXX(a, b, c)
35 #define _M_move(a, b, c) _M_moveXX(a, b, c)
36 #define _M_assign(a, b, c) _M_assignXX(a, b, c)
37 #define _M_disjunct(a) _M_disjunctXX(a)
38 #define _M_check_length(a, b, c) _M_check_lengthXX(a, b, c)
39 #define _M_set_length_and_sharable(a) _M_set_length_and_sharableXX(a)
40 #define ignore ignoreXX
41 #define eq eqXX
42 #define _List_node_base _List_node_baseXX
43 #endif
44 
45 #include <string>
46 #include <istream>
47 #include <fstream>
48 #include <sstream>
49 #include <cmath>
50 #include <ext/numeric_traits.h>
51 
52 namespace std _GLIBCXX_VISIBILITY(default)
53 {
54 _GLIBCXX_BEGIN_NAMESPACE_VERSION
55 
56   // std::istream ignore explicit specializations.
57   template<>
58     basic_istream<char>&
59     basic_istream<char>::
ignore(streamsize __n)60     ignore(streamsize __n)
61     {
62       if (__n == 1)
63 	return ignore();
64 
65       _M_gcount = 0;
66       sentry __cerb(*this, true);
67       if ( __n > 0 && __cerb)
68 	{
69 	  ios_base::iostate __err = ios_base::goodbit;
70 	  __try
71 	    {
72 	      const int_type __eof = traits_type::eof();
73 	      __streambuf_type* __sb = this->rdbuf();
74 	      int_type __c = __sb->sgetc();
75 
76 	      // See comment in istream.tcc.
77 	      bool __large_ignore = false;
78 	      while (true)
79 		{
80 		  while (_M_gcount < __n
81 			 && !traits_type::eq_int_type(__c, __eof))
82 		    {
83 		      streamsize __size = std::min(streamsize(__sb->egptr()
84 							      - __sb->gptr()),
85 					          streamsize(__n - _M_gcount));
86 		      if (__size > 1)
87 			{
88 			  __sb->__safe_gbump(__size);
89 			  _M_gcount += __size;
90 			  __c = __sb->sgetc();
91 			}
92 		      else
93 			{
94 			  ++_M_gcount;
95 			  __c = __sb->snextc();
96 			}
97 		    }
98 		  if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
99 		      && !traits_type::eq_int_type(__c, __eof))
100 		    {
101 		      _M_gcount =
102 			__gnu_cxx::__numeric_traits<streamsize>::__min;
103 		      __large_ignore = true;
104 		    }
105 		  else
106 		    break;
107 		}
108 
109 	      if (__large_ignore)
110 		_M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
111 
112 	      if (traits_type::eq_int_type(__c, __eof))
113 		__err |= ios_base::eofbit;
114 	    }
115 	  __catch(__cxxabiv1::__forced_unwind&)
116 	    {
117 	      this->_M_setstate(ios_base::badbit);
118 	      __throw_exception_again;
119 	    }
120 	  __catch(...)
121 	    { this->_M_setstate(ios_base::badbit); }
122 	  if (__err)
123 	    this->setstate(__err);
124 	}
125       return *this;
126     }
127 
128 #ifdef _GLIBCXX_USE_WCHAR_T
129   template<>
130     basic_istream<wchar_t>&
131     basic_istream<wchar_t>::
ignore(streamsize __n)132     ignore(streamsize __n)
133     {
134       if (__n == 1)
135 	return ignore();
136 
137       _M_gcount = 0;
138       sentry __cerb(*this, true);
139       if (__n > 0 && __cerb)
140 	{
141 	  ios_base::iostate __err = ios_base::goodbit;
142 	  __try
143 	    {
144 	      const int_type __eof = traits_type::eof();
145 	      __streambuf_type* __sb = this->rdbuf();
146 	      int_type __c = __sb->sgetc();
147 
148 	      bool __large_ignore = false;
149 	      while (true)
150 		{
151 		  while (_M_gcount < __n
152 			 && !traits_type::eq_int_type(__c, __eof))
153 		    {
154 		      streamsize __size = std::min(streamsize(__sb->egptr()
155 							      - __sb->gptr()),
156 						  streamsize(__n - _M_gcount));
157 		      if (__size > 1)
158 			{
159 			  __sb->__safe_gbump(__size);
160 			  _M_gcount += __size;
161 			  __c = __sb->sgetc();
162 			}
163 		      else
164 			{
165 			  ++_M_gcount;
166 			  __c = __sb->snextc();
167 			}
168 		    }
169 		  if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
170 		      && !traits_type::eq_int_type(__c, __eof))
171 		    {
172 		      _M_gcount =
173 			__gnu_cxx::__numeric_traits<streamsize>::__min;
174 		      __large_ignore = true;
175 		    }
176 		  else
177 		    break;
178 		}
179 
180 	      if (__large_ignore)
181 		_M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
182 
183 	      if (traits_type::eq_int_type(__c, __eof))
184 		__err |= ios_base::eofbit;
185 	    }
186 	  __catch(__cxxabiv1::__forced_unwind&)
187 	    {
188 	      this->_M_setstate(ios_base::badbit);
189 	      __throw_exception_again;
190 	    }
191 	  __catch(...)
192 	    { this->_M_setstate(ios_base::badbit); }
193 	  if (__err)
194 	    this->setstate(__err);
195 	}
196       return *this;
197     }
198 #endif
199 
200 _GLIBCXX_END_NAMESPACE_VERSION
201 } // namespace std
202 
203 
204 // NB: These symbols renames should go into the shared library only,
205 // and only those shared libraries that support versioning.
206 #if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
207     && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \
208     && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
209 
210 /* gcc-3.4.4
211 _ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEppEv
212 _ZNSt19istreambuf_iteratorIwSt11char_traitsIwEEppEv
213  */
214 
215 namespace std _GLIBCXX_VISIBILITY(default)
216 {
217 _GLIBCXX_BEGIN_NAMESPACE_VERSION
218 
219   template
220     istreambuf_iterator<char>&
221     istreambuf_iterator<char>::operator++();
222 
223 #ifdef _GLIBCXX_USE_WCHAR_T
224   template
225     istreambuf_iterator<wchar_t>&
226     istreambuf_iterator<wchar_t>::operator++();
227 #endif
228 
229 _GLIBCXX_END_NAMESPACE_VERSION
230 } // namespace std
231 
232 
233 /* gcc-4.0.0
234 _ZNSs4_Rep26_M_set_length_and_sharableEj
235 _ZNSs7_M_copyEPcPKcj
236 _ZNSs7_M_moveEPcPKcj
237 _ZNSs9_M_assignEPcjc
238 _ZNKSs11_M_disjunctEPKc
239 _ZNKSs15_M_check_lengthEjjPKc
240 _ZNSbIwSt11char_traitsIwESaIwEE4_Rep26_M_set_length_and_sharableEj
241 _ZNSbIwSt11char_traitsIwESaIwEE7_M_copyEPwPKwj
242 _ZNSbIwSt11char_traitsIwESaIwEE7_M_moveEPwPKwj
243 _ZNSbIwSt11char_traitsIwESaIwEE9_M_assignEPwjw
244 _ZNKSbIwSt11char_traitsIwESaIwEE11_M_disjunctEPKw
245 _ZNKSbIwSt11char_traitsIwESaIwEE15_M_check_lengthEjjPKc
246 
247 _ZNKSt13basic_fstreamIcSt11char_traitsIcEE7is_openEv
248 _ZNKSt13basic_fstreamIwSt11char_traitsIwEE7is_openEv
249 _ZNKSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv
250 _ZNKSt14basic_ifstreamIwSt11char_traitsIwEE7is_openEv
251 _ZNKSt14basic_ofstreamIcSt11char_traitsIcEE7is_openEv
252 _ZNKSt14basic_ofstreamIwSt11char_traitsIwEE7is_openEv
253 
254 _ZNSi6ignoreEi
255 _ZNSi6ignoreEv
256 _ZNSt13basic_istreamIwSt11char_traitsIwEE6ignoreEi
257 _ZNSt13basic_istreamIwSt11char_traitsIwEE6ignoreEv
258 
259 _ZNSt11char_traitsIcE2eqERKcS2_
260 _ZNSt11char_traitsIwE2eqERKwS2_
261  */
262 namespace std _GLIBCXX_VISIBILITY(default)
263 {
264 _GLIBCXX_BEGIN_NAMESPACE_VERSION
265 
266   // std::char_traits is explicitly specialized
267   bool (* __p1)(const char&, const char&) = &char_traits<char>::eq;
268 
269   // std::string
270   template
271     void
272     basic_string<char>::_M_copy(char*, const char*, size_t);
273 
274   template
275     void
276     basic_string<char>::_M_move(char*, const char*, size_t);
277 
278   template
279     void
280     basic_string<char>::_M_assign(char*, size_t, char);
281 
282   template
283     bool
284     basic_string<char>::_M_disjunct(const char*) const;
285 
286   template
287     void
288     basic_string<char>::_M_check_length(size_t, size_t, const char*) const;
289 
290   template
291     void
292     basic_string<char>::_Rep::_M_set_length_and_sharable(size_t);
293 
294 
295   // std::istream
296   template
297     basic_istream<char>&
298     basic_istream<char>::ignore();
299 
300   template
301     bool
302     basic_fstream<char>::is_open() const;
303 
304   template
305     bool
306     basic_ifstream<char>::is_open() const;
307 
308   template
309     bool
310     basic_ofstream<char>::is_open() const;
311 
312 #ifdef _GLIBCXX_USE_WCHAR_T
313   bool (* __p2)(const wchar_t&, const wchar_t&) = &char_traits<wchar_t>::eq;
314 
315   // std::wstring
316   template
317     void
318     basic_string<wchar_t>::_M_copy(wchar_t*, const wchar_t*, size_t);
319 
320   template
321     void
322     basic_string<wchar_t>::_M_move(wchar_t*, const wchar_t*, size_t);
323 
324   template
325     void
326     basic_string<wchar_t>::_M_assign(wchar_t*, size_t, wchar_t);
327 
328   template
329     bool
330     basic_string<wchar_t>::_M_disjunct(const wchar_t*) const;
331 
332   template
333     void
334     basic_string<wchar_t>::_M_check_length(size_t, size_t,
335 					   const char*) const;
336 
337   template
338     void
339     basic_string<wchar_t>::_Rep::_M_set_length_and_sharable(size_t);
340 
341   template
342     basic_istream<wchar_t>&
343     basic_istream<wchar_t>::ignore();
344 
345   template
346     bool
347     basic_fstream<wchar_t>::is_open() const;
348 
349   template
350     bool
351     basic_ifstream<wchar_t>::is_open() const;
352 
353   template
354     bool
355     basic_ofstream<wchar_t>::is_open() const;
356 #endif
357 
358 _GLIBCXX_END_NAMESPACE_VERSION
359 } // namespace std
360 
361 // The rename syntax for default exported names is
362 //   asm (".symver name1,exportedname@GLIBCXX_3.4")
363 //   asm (".symver name2,exportedname@@GLIBCXX_3.4.5")
364 // In the future, GLIBCXX_ABI > 6 should remove all uses of
365 // _GLIBCXX_*_SYMVER macros in this file.
366 
367 #define _GLIBCXX_3_4_SYMVER(XXname, name) \
368    extern "C" void \
369    _X##name() \
370    __attribute__ ((alias(#XXname))); \
371    asm (".symver " "_X" #name "," #name "@GLIBCXX_3.4");
372 
373 #define _GLIBCXX_3_4_5_SYMVER(XXname, name) \
374    extern "C" void \
375    _Y##name() \
376    __attribute__ ((alias(#XXname))); \
377    asm (".symver " "_Y" #name  "," #name "@@GLIBCXX_3.4.5");
378 
379 #define _GLIBCXX_ASM_SYMVER(cur, old, version) \
380    asm (".symver " #cur "," #old "@@" #version);
381 
382 #define _GLIBCXX_APPLY_SYMVER _GLIBCXX_3_4_SYMVER
383 #include <bits/compatibility.h>
384 #undef _GLIBCXX_APPLY_SYMVER
385 
386 #define _GLIBCXX_APPLY_SYMVER _GLIBCXX_3_4_5_SYMVER
387 #include <bits/compatibility.h>
388 #undef _GLIBCXX_APPLY_SYMVER
389 
390 
391 /* gcc-3.4.0
392 _ZN10__gnu_norm15_List_node_base4hookEPS0_;
393 _ZN10__gnu_norm15_List_node_base4swapERS0_S1_;
394 _ZN10__gnu_norm15_List_node_base6unhookEv;
395 _ZN10__gnu_norm15_List_node_base7reverseEv;
396 _ZN10__gnu_norm15_List_node_base8transferEPS0_S1_;
397 */
398 #include "list.cc"
399 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX7_M_hookEPS0_, \
400 _ZN10__gnu_norm15_List_node_base4hookEPS0_, \
401 GLIBCXX_3.4)
402 
403 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX4swapERS0_S1_, \
404 _ZN10__gnu_norm15_List_node_base4swapERS0_S1_, \
405 GLIBCXX_3.4)
406 
407 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX9_M_unhookEv, \
408 _ZN10__gnu_norm15_List_node_base6unhookEv, \
409 GLIBCXX_3.4)
410 
411 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX10_M_reverseEv, \
412 _ZN10__gnu_norm15_List_node_base7reverseEv, \
413 GLIBCXX_3.4)
414 
415 _GLIBCXX_ASM_SYMVER(_ZNSt8__detail17_List_node_baseXX11_M_transferEPS0_S1_, \
416 _ZN10__gnu_norm15_List_node_base8transferEPS0_S1_, \
417 GLIBCXX_3.4)
418 #undef _List_node_base
419 
420 // gcc-4.1.0
421 // Long double versions of "C" math functions.
422 #if defined (_GLIBCXX_LONG_DOUBLE_COMPAT) \
423     || (defined (__arm__) && defined (__linux__) && defined (__ARM_EABI__)) \
424     || (defined (__hppa__) && defined (__linux__)) \
425     || (defined (__m68k__) && defined (__mcoldfire__) && defined (__linux__)) \
426     || (defined (__mips__) && defined (_ABIO32) && defined (__linux__)) \
427     || (defined (__sh__) && defined (__linux__) && __SIZEOF_SIZE_T__ == 4) \
428 
429 #define _GLIBCXX_MATHL_WRAPPER(name, argdecl, args, ver) \
430 extern "C" double						\
431 __ ## name ## l_wrapper argdecl					\
432 {								\
433   return name args;						\
434 }								\
435 asm (".symver __" #name "l_wrapper, " #name "l@" #ver)
436 
437 #define _GLIBCXX_MATHL_WRAPPER1(name, ver) \
438   _GLIBCXX_MATHL_WRAPPER (name, (double x), (x), ver)
439 
440 #define _GLIBCXX_MATHL_WRAPPER2(name, ver) \
441   _GLIBCXX_MATHL_WRAPPER (name, (double x, double y), (x, y), ver)
442 
443 #ifdef _GLIBCXX_HAVE_ACOSL
444 _GLIBCXX_MATHL_WRAPPER1 (acos, GLIBCXX_3.4.3);
445 #endif
446 #ifdef _GLIBCXX_HAVE_ASINL
447 _GLIBCXX_MATHL_WRAPPER1 (asin, GLIBCXX_3.4.3);
448 #endif
449 #ifdef _GLIBCXX_HAVE_ATAN2L
450 _GLIBCXX_MATHL_WRAPPER2 (atan2, GLIBCXX_3.4);
451 #endif
452 #ifdef _GLIBCXX_HAVE_ATANL
453 _GLIBCXX_MATHL_WRAPPER1 (atan, GLIBCXX_3.4.3);
454 #endif
455 #ifdef _GLIBCXX_HAVE_CEILL
456 _GLIBCXX_MATHL_WRAPPER1 (ceil, GLIBCXX_3.4.3);
457 #endif
458 #ifdef _GLIBCXX_HAVE_COSHL
459 _GLIBCXX_MATHL_WRAPPER1 (cosh, GLIBCXX_3.4);
460 #endif
461 #ifdef _GLIBCXX_HAVE_COSL
462 _GLIBCXX_MATHL_WRAPPER1 (cos, GLIBCXX_3.4);
463 #endif
464 #ifdef _GLIBCXX_HAVE_EXPL
465 _GLIBCXX_MATHL_WRAPPER1 (exp, GLIBCXX_3.4);
466 #endif
467 #ifdef _GLIBCXX_HAVE_FLOORL
468 _GLIBCXX_MATHL_WRAPPER1 (floor, GLIBCXX_3.4.3);
469 #endif
470 #ifdef _GLIBCXX_HAVE_FMODL
471 _GLIBCXX_MATHL_WRAPPER2 (fmod, GLIBCXX_3.4.3);
472 #endif
473 #ifdef _GLIBCXX_HAVE_FREXPL
474 _GLIBCXX_MATHL_WRAPPER (frexp, (double x, int *y), (x, y), GLIBCXX_3.4.3);
475 #endif
476 #ifdef _GLIBCXX_HAVE_HYPOTL
477 _GLIBCXX_MATHL_WRAPPER2 (hypot, GLIBCXX_3.4);
478 #endif
479 #ifdef _GLIBCXX_HAVE_LDEXPL
480 _GLIBCXX_MATHL_WRAPPER (ldexp, (double x, int y), (x, y), GLIBCXX_3.4.3);
481 #endif
482 #ifdef _GLIBCXX_HAVE_LOG10L
483 _GLIBCXX_MATHL_WRAPPER1 (log10, GLIBCXX_3.4);
484 #endif
485 #ifdef _GLIBCXX_HAVE_LOGL
486 _GLIBCXX_MATHL_WRAPPER1 (log, GLIBCXX_3.4);
487 #endif
488 #ifdef _GLIBCXX_HAVE_MODFL
489 _GLIBCXX_MATHL_WRAPPER (modf, (double x, double *y), (x, y), GLIBCXX_3.4.3);
490 #endif
491 #ifdef _GLIBCXX_HAVE_POWL
492 _GLIBCXX_MATHL_WRAPPER2 (pow, GLIBCXX_3.4);
493 #endif
494 #ifdef _GLIBCXX_HAVE_SINHL
495 _GLIBCXX_MATHL_WRAPPER1 (sinh, GLIBCXX_3.4);
496 #endif
497 #ifdef _GLIBCXX_HAVE_SINL
498 _GLIBCXX_MATHL_WRAPPER1 (sin, GLIBCXX_3.4);
499 #endif
500 #ifdef _GLIBCXX_HAVE_SQRTL
501 _GLIBCXX_MATHL_WRAPPER1 (sqrt, GLIBCXX_3.4);
502 #endif
503 #ifdef _GLIBCXX_HAVE_TANHL
504 _GLIBCXX_MATHL_WRAPPER1 (tanh, GLIBCXX_3.4);
505 #endif
506 #ifdef _GLIBCXX_HAVE_TANL
507 _GLIBCXX_MATHL_WRAPPER1 (tan, GLIBCXX_3.4);
508 #endif
509 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT
510 
511 #endif
512 
513 #ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
514 extern void *_ZTVN10__cxxabiv123__fundamental_type_infoE[];
515 extern void *_ZTVN10__cxxabiv119__pointer_type_infoE[];
516 extern __attribute__((used, weak)) const char _ZTSe[2] = "e";
517 extern __attribute__((used, weak)) const char _ZTSPe[3] = "Pe";
518 extern __attribute__((used, weak)) const char _ZTSPKe[4] = "PKe";
519 extern __attribute__((used, weak)) const void * const _ZTIe[2]
520   = { reinterpret_cast<const void *>
521       (&_ZTVN10__cxxabiv123__fundamental_type_infoE[2]),
522       reinterpret_cast<const void *>(_ZTSe) };
523 extern __attribute__((used, weak)) const void * const _ZTIPe[4]
524   = { reinterpret_cast<const void *>
525       (&_ZTVN10__cxxabiv119__pointer_type_infoE[2]),
526       reinterpret_cast<const void *>(_ZTSPe),
527       reinterpret_cast<const void *>(0L),
528       reinterpret_cast<const void *>(_ZTIe) };
529 extern __attribute__((used, weak)) const void * const _ZTIPKe[4]
530   = { reinterpret_cast<const void *>
531       (&_ZTVN10__cxxabiv119__pointer_type_infoE[2]),
532       reinterpret_cast<const void *>(_ZTSPKe),
533       reinterpret_cast<const void *>(1L),
534       reinterpret_cast<const void *>(_ZTIe) };
535 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT
536 
537 #ifdef _GLIBCXX_SYMVER_DARWIN
538 #if (defined(__ppc__) || defined(__ppc64__)) && defined(_GLIBCXX_SHARED)
539 /* __eprintf shouldn't have been made visible from libstdc++, or
540    anywhere, but on Mac OS X 10.4 it was defined in
541    libstdc++.6.0.3.dylib; so on that platform we have to keep defining
542    it to keep binary compatibility.  We can't just put the libgcc
543    version in the export list, because that doesn't work; once a
544    symbol is marked as hidden, it stays that way.  */
545 
546 #include <cstdio>
547 #include <cstdlib>
548 
549 using namespace std;
550 
551 extern "C" void
__eprintf(const char * string,const char * expression,unsigned int line,const char * filename)552 __eprintf(const char *string, const char *expression,
553 	  unsigned int line, const char *filename)
554 {
555   fprintf(stderr, string, expression, line, filename);
556   fflush(stderr);
557   abort();
558 }
559 #endif
560 #endif
561