1 // Copyright (C) 2001, 2002 Free Software Foundation, Inc. 2 // 3 // This file is part of the GNU ISO C++ Library. This library is free 4 // software; you can redistribute it and/or modify it under the 5 // terms of the GNU General Public License as published by the 6 // Free Software Foundation; either version 2, or (at your option) 7 // any later version. 8 9 // This library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 14 // You should have received a copy of the GNU General Public License along 15 // with this library; see the file COPYING. If not, write to the Free 16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 17 // USA. 18 19 // As a special exception, you may use this file as part of a free software 20 // library without restriction. Specifically, if other files instantiate 21 // templates or use macros or inline functions from this file, or you compile 22 // this file and link it with other files to produce an executable, this 23 // file does not by itself cause the resulting executable to be covered by 24 // the GNU General Public License. This exception does not however 25 // invalidate any other reasons why the executable file might be covered by 26 // the GNU General Public License. 27 28 #include "bits/c++config.h" 29 #include "bits/gthr.h" 30 #include <fstream> 31 #include <istream> 32 #include <ostream> 33 #include <locale> 34 #include <ext/stdio_filebuf.h> 35 36 // On AIX, and perhaps other systems, library initialization order is 37 // not guaranteed. For example, the static initializers for the main 38 // program might run before the static initializers for this library. 39 // That means that we cannot rely on static initialization in the 40 // library; there is no guarantee that things will get initialized in 41 // time. This file contains definitions of all global variables that 42 // require initialization as arrays of characters. 43 44 // Because <iostream> declares the standard streams to be [io]stream 45 // types instead of say [io]fstream types, it is also necessary to 46 // allocate the actual file buffers in this file. 47 namespace __gnu_cxx 48 { 49 using namespace std; 50 51 typedef char fake_facet_name[sizeof(char*)] 52 __attribute__ ((aligned(__alignof__(char*)))); 53 fake_facet_name facet_name[6 + _GLIBCPP_NUM_CATEGORIES]; 54 55 typedef char fake_locale_Impl[sizeof(locale::_Impl)] 56 __attribute__ ((aligned(__alignof__(locale::_Impl)))); 57 fake_locale_Impl c_locale_impl; 58 59 60 // NB: The asm directives renames these non-exported, namespace 61 // __gnu_cxx symbols into the mistakenly exported, namespace std 62 // symbols in GLIBCPP_3.2. 63 // The rename syntax is 64 // asm (".symver currentname,oldname@@GLIBCPP_3.2") 65 // At the same time, these new __gnu_cxx symbols are not exported. 66 // In the future, GLIBCXX_ABI > 5 should remove all uses of 67 // _GLIBCPP_ASM_SYMVER in this file. 68 typedef char fake_locale[sizeof(locale)] 69 __attribute__ ((aligned(__alignof__(locale)))); 70 fake_locale c_locale; 71 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8c_localeE, _ZSt8c_locale, GLIBCPP_3.2) 72 73 // GLIBCXX_ABI > 5 will not need this symbol at all. 74 // It's here just as a placeholder, as the size of this exported 75 // object changed. The new symbol is not exported. 76 const int o = sizeof(locale::_Impl) - sizeof(char*[_GLIBCPP_NUM_CATEGORIES]); 77 typedef char fake_locale_Impl_compat[o] 78 __attribute__ ((aligned(__alignof__(o)))); 79 fake_locale_Impl_compat c_locale_impl_compat; 80 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx20c_locale_impl_compatE, _ZSt13c_locale_impl, GLIBCPP_3.2) 81 82 typedef char fake_facet_vec[sizeof(locale::facet*)] 83 __attribute__ ((aligned(__alignof__(locale::facet*)))); 84 fake_facet_vec facet_vec[_GLIBCPP_NUM_FACETS]; 85 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9facet_vecE, _ZSt9facet_vec, GLIBCPP_3.2) 86 87 // To support combined facets and caches in facet array 88 typedef char fake_facet_cache_vec[sizeof(locale::facet*)] 89 __attribute__ ((aligned(__alignof__(locale::facet*)))); 90 fake_facet_cache_vec facet_cache_vec[2 * _GLIBCPP_NUM_FACETS]; 91 92 typedef char fake_ctype_c[sizeof(std::ctype<char>)] 93 __attribute__ ((aligned(__alignof__(std::ctype<char>)))); 94 fake_ctype_c ctype_c; 95 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7ctype_cE, _ZSt7ctype_c, GLIBCPP_3.2) 96 97 typedef char fake_collate_c[sizeof(std::collate<char>)] 98 __attribute__ ((aligned(__alignof__(std::collate<char>)))); 99 fake_collate_c collate_c; 100 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9collate_cE, _ZSt9collate_c, GLIBCPP_3.2) 101 102 typedef char fake_numpunct_c[sizeof(numpunct<char>)] 103 __attribute__ ((aligned(__alignof__(numpunct<char>)))); 104 fake_numpunct_c numpunct_c; 105 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10numpunct_cE, _ZSt10numpunct_c, GLIBCPP_3.2) 106 107 typedef char fake_num_get_c[sizeof(num_get<char>)] 108 __attribute__ ((aligned(__alignof__(num_get<char>)))); 109 fake_num_get_c num_get_c; 110 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_get_cE, _ZSt9num_get_c, GLIBCPP_3.2) 111 112 typedef char fake_num_put_c[sizeof(num_put<char>)] 113 __attribute__ ((aligned(__alignof__(num_put<char>)))); 114 fake_num_put_c num_put_c; 115 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_put_cE, _ZSt9num_put_c, GLIBCPP_3.2) 116 117 typedef char fake_codecvt_c[sizeof(codecvt<char, char, mbstate_t>)] 118 __attribute__ ((aligned(__alignof__(codecvt<char, char, mbstate_t>)))); 119 fake_codecvt_c codecvt_c; 120 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9codecvt_cE, _ZSt9codecvt_c, GLIBCPP_3.2) 121 122 typedef char fake_moneypunct_c[sizeof(moneypunct<char, true>)] 123 __attribute__ ((aligned(__alignof__(moneypunct<char, true>)))); 124 fake_moneypunct_c moneypunct_tc; 125 fake_moneypunct_c moneypunct_fc; 126 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_tcE,\ 127 _ZSt13moneypunct_tc, GLIBCPP_3.2) 128 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_fcE,\ 129 _ZSt13moneypunct_fc, GLIBCPP_3.2) 130 131 typedef char fake_money_get_c[sizeof(money_get<char>)] 132 __attribute__ ((aligned(__alignof__(money_get<char>)))); 133 fake_money_get_c money_get_c; 134 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_get_cE, _ZSt11money_get_c, GLIBCPP_3.2) 135 136 typedef char fake_money_put_c[sizeof(money_put<char>)] 137 __attribute__ ((aligned(__alignof__(money_put<char>)))); 138 fake_money_put_c money_put_c; 139 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_put_cE, _ZSt11money_put_c, GLIBCPP_3.2) 140 141 typedef char fake_timepunct_c[sizeof(__timepunct<char>)] 142 __attribute__ ((aligned(__alignof__(__timepunct<char>)))); 143 fake_timepunct_c timepunct_c; 144 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11timepunct_cE, _ZSt11timepunct_c, GLIBCPP_3.2) 145 146 typedef char fake_time_get_c[sizeof(time_get<char>)] 147 __attribute__ ((aligned(__alignof__(time_get<char>)))); 148 fake_time_get_c time_get_c; 149 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_get_cE, _ZSt10time_get_c, GLIBCPP_3.2) 150 151 typedef char fake_time_put_c[sizeof(time_put<char>)] 152 __attribute__ ((aligned(__alignof__(time_put<char>)))); 153 fake_time_put_c time_put_c; 154 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_put_cE, _ZSt10time_put_c, GLIBCPP_3.2) 155 156 typedef char fake_messages_c[sizeof(messages<char>)] 157 __attribute__ ((aligned(__alignof__(messages<char>)))); 158 fake_messages_c messages_c; 159 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10messages_cE, _ZSt10messages_c, GLIBCPP_3.2) 160 161 #if defined(_GLIBCPP_USE_WCHAR_T) || defined(_GLIBCPP_USE_TYPE_WCHAR_T) 162 typedef char fake_wtype_w[sizeof(std::ctype<wchar_t>)] 163 __attribute__ ((aligned(__alignof__(std::ctype<wchar_t>)))); 164 fake_wtype_w ctype_w; 165 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7ctype_wE, _ZSt7ctype_w, GLIBCPP_3.2) 166 167 typedef char fake_wollate_w[sizeof(std::collate<wchar_t>)] 168 __attribute__ ((aligned(__alignof__(std::collate<wchar_t>)))); 169 fake_wollate_w collate_w; 170 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9collate_wE, _ZSt9collate_w, GLIBCPP_3.2) 171 172 typedef char fake_numpunct_w[sizeof(numpunct<wchar_t>)] 173 __attribute__ ((aligned(__alignof__(numpunct<wchar_t>)))); 174 fake_numpunct_w numpunct_w; 175 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10numpunct_wE, _ZSt10numpunct_w, GLIBCPP_3.2) 176 177 typedef char fake_num_get_w[sizeof(num_get<wchar_t>)] 178 __attribute__ ((aligned(__alignof__(num_get<wchar_t>)))); 179 fake_num_get_w num_get_w; 180 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_get_wE, _ZSt9num_get_w, GLIBCPP_3.2) 181 182 typedef char fake_num_put_w[sizeof(num_put<wchar_t>)] 183 __attribute__ ((aligned(__alignof__(num_put<wchar_t>)))); 184 fake_num_put_w num_put_w; 185 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_put_wE, _ZSt9num_put_w, GLIBCPP_3.2) 186 187 typedef char fake_wodecvt_w[sizeof(codecvt<wchar_t, char, mbstate_t>)] 188 __attribute__ ((aligned(__alignof__(codecvt<wchar_t, char, mbstate_t>)))); 189 fake_wodecvt_w codecvt_w; 190 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9codecvt_wE, _ZSt9codecvt_w, GLIBCPP_3.2) 191 192 typedef char fake_moneypunct_w[sizeof(moneypunct<wchar_t, true>)] 193 __attribute__ ((aligned(__alignof__(moneypunct<wchar_t, true>)))); 194 fake_moneypunct_w moneypunct_tw; 195 fake_moneypunct_w moneypunct_fw; 196 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_twE,\ 197 _ZSt13moneypunct_tw, GLIBCPP_3.2) 198 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_fwE,\ 199 _ZSt13moneypunct_fw, GLIBCPP_3.2) 200 201 typedef char fake_money_get_w[sizeof(money_get<wchar_t>)] 202 __attribute__ ((aligned(__alignof__(money_get<wchar_t>)))); 203 fake_money_get_w money_get_w; 204 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_get_wE, _ZSt11money_get_w, GLIBCPP_3.2) 205 206 typedef char fake_money_put_w[sizeof(money_put<wchar_t>)] 207 __attribute__ ((aligned(__alignof__(money_put<wchar_t>)))); 208 fake_money_put_w money_put_w; 209 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_put_wE, _ZSt11money_put_w, GLIBCPP_3.2) 210 211 typedef char fake_timepunct_w[sizeof(__timepunct<wchar_t>)] 212 __attribute__ ((aligned(__alignof__(__timepunct<wchar_t>)))); 213 fake_timepunct_w timepunct_w; 214 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11timepunct_wE, _ZSt11timepunct_w, GLIBCPP_3.2) 215 216 typedef char fake_time_get_w[sizeof(time_get<wchar_t>)] 217 __attribute__ ((aligned(__alignof__(time_get<wchar_t>)))); 218 fake_time_get_w time_get_w; 219 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_get_wE, _ZSt10time_get_w, GLIBCPP_3.2) 220 221 typedef char fake_time_put_w[sizeof(time_put<wchar_t>)] 222 __attribute__ ((aligned(__alignof__(time_put<wchar_t>)))); 223 fake_time_put_w time_put_w; 224 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_put_wE, _ZSt10time_put_w, GLIBCPP_3.2) 225 226 typedef char fake_messages_w[sizeof(messages<wchar_t>)] 227 __attribute__ ((aligned(__alignof__(messages<wchar_t>)))); 228 fake_messages_w messages_w; 229 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10messages_wE, _ZSt10messages_w, GLIBCPP_3.2) 230 #endif 231 232 // Storage for static C locale caches 233 typedef char fake_locale_cache_np_c[sizeof(std::__locale_cache<numpunct<char> >)] 234 __attribute__ ((aligned(__alignof__(std::__locale_cache<numpunct<char> >)))); 235 fake_locale_cache_np_c locale_cache_np_c; 236 237 #if defined(_GLIBCPP_USE_WCHAR_T) || defined(_GLIBCPP_USE_TYPE_WCHAR_T) 238 typedef char fake_locale_cache_np_w[sizeof(std::__locale_cache<numpunct<wchar_t> >)] 239 __attribute__ ((aligned(__alignof__(std::__locale_cache<numpunct<wchar_t> >)))); 240 fake_locale_cache_np_w locale_cache_np_w; 241 #endif 242 243 typedef char fake_filebuf[sizeof(stdio_filebuf<char>)] 244 __attribute__ ((aligned(__alignof__(stdio_filebuf<char>)))); 245 fake_filebuf buf_cout; 246 fake_filebuf buf_cin; 247 fake_filebuf buf_cerr; 248 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_coutE, _ZSt8buf_cout, GLIBCPP_3.2) 249 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7buf_cinE, _ZSt7buf_cin, GLIBCPP_3.2) 250 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_cerrE, _ZSt8buf_cerr, GLIBCPP_3.2) 251 252 #if defined(_GLIBCPP_USE_WCHAR_T) || defined(_GLIBCPP_USE_TYPE_WCHAR_T) 253 typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)] 254 __attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>)))); 255 fake_wfilebuf buf_wcout; 256 fake_wfilebuf buf_wcin; 257 fake_wfilebuf buf_wcerr; 258 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9buf_wcoutE, _ZSt9buf_wcout, GLIBCPP_3.2) 259 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_wcinE, _ZSt8buf_wcin, GLIBCPP_3.2) 260 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9buf_wcerrE, _ZSt9buf_wcerr, GLIBCPP_3.2) 261 #endif 262 263 // Globals for once-only runtime initialization of mutex objects. This 264 // allows static initialization of these objects on systems that need a 265 // function call to initialize a mutex. For example, see stl_threads.h. 266 #ifdef __GTHREAD_MUTEX_INIT 267 // Need to provide explicit instantiations of static data for 268 // systems with broken weak linkage support. 269 template __gthread_mutex_t _Swap_lock_struct<0>::_S_swap_lock; 270 #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION) 271 __gthread_once_t _GLIBCPP_once = __GTHREAD_ONCE_INIT; 272 __gthread_mutex_t _GLIBCPP_mutex; 273 __gthread_mutex_t *_GLIBCPP_mutex_address; 274 275 // Once-only initializer function for _GLIBCPP_mutex. 276 void 277 _GLIBCPP_mutex_init () 278 { __GTHREAD_MUTEX_INIT_FUNCTION (&_GLIBCPP_mutex); } 279 280 // Once-only initializer function for _GLIBCPP_mutex_address. 281 void 282 _GLIBCPP_mutex_address_init () 283 { __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCPP_mutex_address); } 284 #endif 285 286 // GLIBCXX_ABI. 287 struct __compat 288 { 289 static const char _S_atoms[]; 290 }; 291 const char __compat::_S_atoms[] = "0123456789eEabcdfABCDF"; 292 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8__compat8_S_atomsE, _ZNSt10__num_base8_S_atomsE, GLIBCPP_3.2) 293 } // namespace __gnu_cxx 294 295 namespace std 296 { 297 // Standard stream objects. 298 typedef char fake_istream[sizeof(istream)] 299 __attribute__ ((aligned(__alignof__(istream)))); 300 typedef char fake_ostream[sizeof(ostream)] 301 __attribute__ ((aligned(__alignof__(ostream)))); 302 fake_istream cin; 303 fake_ostream cout; 304 fake_ostream cerr; 305 fake_ostream clog; 306 307 #if defined(_GLIBCPP_USE_WCHAR_T) || defined(_GLIBCPP_USE_TYPE_WCHAR_T) 308 typedef char fake_wistream[sizeof(wistream)] 309 __attribute__ ((aligned(__alignof__(wistream)))); 310 typedef char fake_wostream[sizeof(wostream)] 311 __attribute__ ((aligned(__alignof__(wostream)))); 312 fake_wistream wcin; 313 fake_wostream wcout; 314 fake_wostream wcerr; 315 fake_wostream wclog; 316 #endif 317 } // namespace std 318