globals.cc

00001 // Copyright (C) 2001, 2002 Free Software Foundation, Inc. 00002 // 00003 // This file is part of the GNU ISO C++ Library. This library is free 00004 // software; you can redistribute it and/or modify it under the 00005 // terms of the GNU General Public License as published by the 00006 // Free Software Foundation; either version 2, or (at your option) 00007 // any later version. 00008 00009 // This library is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 00014 // You should have received a copy of the GNU General Public License along 00015 // with this library; see the file COPYING. If not, write to the Free 00016 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00017 // USA. 00018 00019 // As a special exception, you may use this file as part of a free software 00020 // library without restriction. Specifically, if other files instantiate 00021 // templates or use macros or inline functions from this file, or you compile 00022 // this file and link it with other files to produce an executable, this 00023 // file does not by itself cause the resulting executable to be covered by 00024 // the GNU General Public License. This exception does not however 00025 // invalidate any other reasons why the executable file might be covered by 00026 // the GNU General Public License. 00027 00028 #include "bits/c++config.h" 00029 #include "bits/gthr.h" 00030 #include <fstream> 00031 #include <istream> 00032 #include <ostream> 00033 #include <locale> 00034 #include <ext/stdio_filebuf.h> 00035 00036 // On AIX, and perhaps other systems, library initialization order is 00037 // not guaranteed. For example, the static initializers for the main 00038 // program might run before the static initializers for this library. 00039 // That means that we cannot rely on static initialization in the 00040 // library; there is no guarantee that things will get initialized in 00041 // time. This file contains definitions of all global variables that 00042 // require initialization as arrays of characters. 00043 00044 // Because <iostream> declares the standard streams to be [io]stream 00045 // types instead of say [io]fstream types, it is also necessary to 00046 // allocate the actual file buffers in this file. 00047 namespace __gnu_cxx 00048 { 00049 using namespace std; 00050 00051 typedef char fake_facet_name[sizeof(char*)] 00052 __attribute__ ((aligned(__alignof__(char*)))); 00053 fake_facet_name facet_name[6 + _GLIBCPP_NUM_CATEGORIES]; 00054 00055 typedef char fake_locale_Impl[sizeof(locale::_Impl)] 00056 __attribute__ ((aligned(__alignof__(locale::_Impl)))); 00057 fake_locale_Impl c_locale_impl; 00058 00059 00060 // NB: The asm directives renames these non-exported, namespace 00061 // __gnu_cxx symbols into the mistakenly exported, namespace std 00062 // symbols in GLIBCPP_3.2. 00063 // The rename syntax is 00064 // asm (".symver currentname,oldname@@GLIBCPP_3.2") 00065 // At the same time, these new __gnu_cxx symbols are not exported. 00066 // In the future, GLIBCXX_ABI > 5 should remove all uses of 00067 // _GLIBCPP_ASM_SYMVER in this file. 00068 typedef char fake_locale[sizeof(locale)] 00069 __attribute__ ((aligned(__alignof__(locale)))); 00070 fake_locale c_locale; 00071 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8c_localeE, _ZSt8c_locale, GLIBCPP_3.2) 00072 00073 // GLIBCXX_ABI > 5 will not need this symbol at all. 00074 // It's here just as a placeholder, as the size of this exported 00075 // object changed. The new symbol is not exported. 00076 const int o = sizeof(locale::_Impl) - sizeof(char*[_GLIBCPP_NUM_CATEGORIES]); 00077 typedef char fake_locale_Impl_compat[o] 00078 __attribute__ ((aligned(__alignof__(o)))); 00079 fake_locale_Impl_compat c_locale_impl_compat; 00080 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx20c_locale_impl_compatE, _ZSt13c_locale_impl, GLIBCPP_3.2) 00081 00082 typedef char fake_facet_vec[sizeof(locale::facet*)] 00083 __attribute__ ((aligned(__alignof__(locale::facet*)))); 00084 fake_facet_vec facet_vec[_GLIBCPP_NUM_FACETS]; 00085 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9facet_vecE, _ZSt9facet_vec, GLIBCPP_3.2) 00086 00087 // To support combined facets and caches in facet array 00088 typedef char fake_facet_cache_vec[sizeof(locale::facet*)] 00089 __attribute__ ((aligned(__alignof__(locale::facet*)))); 00090 fake_facet_cache_vec facet_cache_vec[2 * _GLIBCPP_NUM_FACETS]; 00091 00092 typedef char fake_ctype_c[sizeof(std::ctype<char>)] 00093 __attribute__ ((aligned(__alignof__(std::ctype<char>)))); 00094 fake_ctype_c ctype_c; 00095 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7ctype_cE, _ZSt7ctype_c, GLIBCPP_3.2) 00096 00097 typedef char fake_collate_c[sizeof(std::collate<char>)] 00098 __attribute__ ((aligned(__alignof__(std::collate<char>)))); 00099 fake_collate_c collate_c; 00100 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9collate_cE, _ZSt9collate_c, GLIBCPP_3.2) 00101 00102 typedef char fake_numpunct_c[sizeof(numpunct<char>)] 00103 __attribute__ ((aligned(__alignof__(numpunct<char>)))); 00104 fake_numpunct_c numpunct_c; 00105 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10numpunct_cE, _ZSt10numpunct_c, GLIBCPP_3.2) 00106 00107 typedef char fake_num_get_c[sizeof(num_get<char>)] 00108 __attribute__ ((aligned(__alignof__(num_get<char>)))); 00109 fake_num_get_c num_get_c; 00110 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_get_cE, _ZSt9num_get_c, GLIBCPP_3.2) 00111 00112 typedef char fake_num_put_c[sizeof(num_put<char>)] 00113 __attribute__ ((aligned(__alignof__(num_put<char>)))); 00114 fake_num_put_c num_put_c; 00115 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_put_cE, _ZSt9num_put_c, GLIBCPP_3.2) 00116 00117 typedef char fake_codecvt_c[sizeof(codecvt<char, char, mbstate_t>)] 00118 __attribute__ ((aligned(__alignof__(codecvt<char, char, mbstate_t>)))); 00119 fake_codecvt_c codecvt_c; 00120 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9codecvt_cE, _ZSt9codecvt_c, GLIBCPP_3.2) 00121 00122 typedef char fake_moneypunct_c[sizeof(moneypunct<char, true>)] 00123 __attribute__ ((aligned(__alignof__(moneypunct<char, true>)))); 00124 fake_moneypunct_c moneypunct_tc; 00125 fake_moneypunct_c moneypunct_fc; 00126 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_tcE,\ 00127 _ZSt13moneypunct_tc, GLIBCPP_3.2) 00128 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_fcE,\ 00129 _ZSt13moneypunct_fc, GLIBCPP_3.2) 00130 00131 typedef char fake_money_get_c[sizeof(money_get<char>)] 00132 __attribute__ ((aligned(__alignof__(money_get<char>)))); 00133 fake_money_get_c money_get_c; 00134 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_get_cE, _ZSt11money_get_c, GLIBCPP_3.2) 00135 00136 typedef char fake_money_put_c[sizeof(money_put<char>)] 00137 __attribute__ ((aligned(__alignof__(money_put<char>)))); 00138 fake_money_put_c money_put_c; 00139 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_put_cE, _ZSt11money_put_c, GLIBCPP_3.2) 00140 00141 typedef char fake_timepunct_c[sizeof(__timepunct<char>)] 00142 __attribute__ ((aligned(__alignof__(__timepunct<char>)))); 00143 fake_timepunct_c timepunct_c; 00144 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11timepunct_cE, _ZSt11timepunct_c, GLIBCPP_3.2) 00145 00146 typedef char fake_time_get_c[sizeof(time_get<char>)] 00147 __attribute__ ((aligned(__alignof__(time_get<char>)))); 00148 fake_time_get_c time_get_c; 00149 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_get_cE, _ZSt10time_get_c, GLIBCPP_3.2) 00150 00151 typedef char fake_time_put_c[sizeof(time_put<char>)] 00152 __attribute__ ((aligned(__alignof__(time_put<char>)))); 00153 fake_time_put_c time_put_c; 00154 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_put_cE, _ZSt10time_put_c, GLIBCPP_3.2) 00155 00156 typedef char fake_messages_c[sizeof(messages<char>)] 00157 __attribute__ ((aligned(__alignof__(messages<char>)))); 00158 fake_messages_c messages_c; 00159 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10messages_cE, _ZSt10messages_c, GLIBCPP_3.2) 00160 00161 #ifdef _GLIBCPP_USE_WCHAR_T 00162 typedef char fake_wtype_w[sizeof(std::ctype<wchar_t>)] 00163 __attribute__ ((aligned(__alignof__(std::ctype<wchar_t>)))); 00164 fake_wtype_w ctype_w; 00165 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7ctype_wE, _ZSt7ctype_w, GLIBCPP_3.2) 00166 00167 typedef char fake_wollate_w[sizeof(std::collate<wchar_t>)] 00168 __attribute__ ((aligned(__alignof__(std::collate<wchar_t>)))); 00169 fake_wollate_w collate_w; 00170 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9collate_wE, _ZSt9collate_w, GLIBCPP_3.2) 00171 00172 typedef char fake_numpunct_w[sizeof(numpunct<wchar_t>)] 00173 __attribute__ ((aligned(__alignof__(numpunct<wchar_t>)))); 00174 fake_numpunct_w numpunct_w; 00175 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10numpunct_wE, _ZSt10numpunct_w, GLIBCPP_3.2) 00176 00177 typedef char fake_num_get_w[sizeof(num_get<wchar_t>)] 00178 __attribute__ ((aligned(__alignof__(num_get<wchar_t>)))); 00179 fake_num_get_w num_get_w; 00180 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_get_wE, _ZSt9num_get_w, GLIBCPP_3.2) 00181 00182 typedef char fake_num_put_w[sizeof(num_put<wchar_t>)] 00183 __attribute__ ((aligned(__alignof__(num_put<wchar_t>)))); 00184 fake_num_put_w num_put_w; 00185 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9num_put_wE, _ZSt9num_put_w, GLIBCPP_3.2) 00186 00187 typedef char fake_wodecvt_w[sizeof(codecvt<wchar_t, char, mbstate_t>)] 00188 __attribute__ ((aligned(__alignof__(codecvt<wchar_t, char, mbstate_t>)))); 00189 fake_wodecvt_w codecvt_w; 00190 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9codecvt_wE, _ZSt9codecvt_w, GLIBCPP_3.2) 00191 00192 typedef char fake_moneypunct_w[sizeof(moneypunct<wchar_t, true>)] 00193 __attribute__ ((aligned(__alignof__(moneypunct<wchar_t, true>)))); 00194 fake_moneypunct_w moneypunct_tw; 00195 fake_moneypunct_w moneypunct_fw; 00196 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_twE,\ 00197 _ZSt13moneypunct_tw, GLIBCPP_3.2) 00198 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx13moneypunct_fwE,\ 00199 _ZSt13moneypunct_fw, GLIBCPP_3.2) 00200 00201 typedef char fake_money_get_w[sizeof(money_get<wchar_t>)] 00202 __attribute__ ((aligned(__alignof__(money_get<wchar_t>)))); 00203 fake_money_get_w money_get_w; 00204 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_get_wE, _ZSt11money_get_w, GLIBCPP_3.2) 00205 00206 typedef char fake_money_put_w[sizeof(money_put<wchar_t>)] 00207 __attribute__ ((aligned(__alignof__(money_put<wchar_t>)))); 00208 fake_money_put_w money_put_w; 00209 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11money_put_wE, _ZSt11money_put_w, GLIBCPP_3.2) 00210 00211 typedef char fake_timepunct_w[sizeof(__timepunct<wchar_t>)] 00212 __attribute__ ((aligned(__alignof__(__timepunct<wchar_t>)))); 00213 fake_timepunct_w timepunct_w; 00214 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx11timepunct_wE, _ZSt11timepunct_w, GLIBCPP_3.2) 00215 00216 typedef char fake_time_get_w[sizeof(time_get<wchar_t>)] 00217 __attribute__ ((aligned(__alignof__(time_get<wchar_t>)))); 00218 fake_time_get_w time_get_w; 00219 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_get_wE, _ZSt10time_get_w, GLIBCPP_3.2) 00220 00221 typedef char fake_time_put_w[sizeof(time_put<wchar_t>)] 00222 __attribute__ ((aligned(__alignof__(time_put<wchar_t>)))); 00223 fake_time_put_w time_put_w; 00224 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10time_put_wE, _ZSt10time_put_w, GLIBCPP_3.2) 00225 00226 typedef char fake_messages_w[sizeof(messages<wchar_t>)] 00227 __attribute__ ((aligned(__alignof__(messages<wchar_t>)))); 00228 fake_messages_w messages_w; 00229 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx10messages_wE, _ZSt10messages_w, GLIBCPP_3.2) 00230 #endif 00231 00232 // Storage for static C locale caches 00233 typedef char fake_locale_cache_np_c[sizeof(std::__locale_cache<numpunct<char> >)] 00234 __attribute__ ((aligned(__alignof__(std::__locale_cache<numpunct<char> >)))); 00235 fake_locale_cache_np_c locale_cache_np_c; 00236 00237 #ifdef _GLIBCPP_USE_WCHAR_T 00238 typedef char fake_locale_cache_np_w[sizeof(std::__locale_cache<numpunct<wchar_t> >)] 00239 __attribute__ ((aligned(__alignof__(std::__locale_cache<numpunct<wchar_t> >)))); 00240 fake_locale_cache_np_w locale_cache_np_w; 00241 #endif 00242 00243 typedef char fake_filebuf[sizeof(stdio_filebuf<char>)] 00244 __attribute__ ((aligned(__alignof__(stdio_filebuf<char>)))); 00245 fake_filebuf buf_cout; 00246 fake_filebuf buf_cin; 00247 fake_filebuf buf_cerr; 00248 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_coutE, _ZSt8buf_cout, GLIBCPP_3.2) 00249 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx7buf_cinE, _ZSt7buf_cin, GLIBCPP_3.2) 00250 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_cerrE, _ZSt8buf_cerr, GLIBCPP_3.2) 00251 00252 #ifdef _GLIBCPP_USE_WCHAR_T 00253 typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)] 00254 __attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>)))); 00255 fake_wfilebuf buf_wcout; 00256 fake_wfilebuf buf_wcin; 00257 fake_wfilebuf buf_wcerr; 00258 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9buf_wcoutE, _ZSt9buf_wcout, GLIBCPP_3.2) 00259 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8buf_wcinE, _ZSt8buf_wcin, GLIBCPP_3.2) 00260 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx9buf_wcerrE, _ZSt9buf_wcerr, GLIBCPP_3.2) 00261 #endif 00262 00263 // Globals for once-only runtime initialization of mutex objects. This 00264 // allows static initialization of these objects on systems that need a 00265 // function call to initialize a mutex. For example, see stl_threads.h. 00266 #ifdef __GTHREAD_MUTEX_INIT 00267 // Need to provide explicit instantiations of static data for 00268 // systems with broken weak linkage support. 00269 template __gthread_mutex_t _Swap_lock_struct<0>::_S_swap_lock; 00270 #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION) 00271 __gthread_once_t _GLIBCPP_once = __GTHREAD_ONCE_INIT; 00272 __gthread_mutex_t _GLIBCPP_mutex; 00273 __gthread_mutex_t *_GLIBCPP_mutex_address; 00274 00275 // Once-only initializer function for _GLIBCPP_mutex. 00276 void 00277 _GLIBCPP_mutex_init () 00278 { __GTHREAD_MUTEX_INIT_FUNCTION (&_GLIBCPP_mutex); } 00279 00280 // Once-only initializer function for _GLIBCPP_mutex_address. 00281 void 00282 _GLIBCPP_mutex_address_init () 00283 { __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCPP_mutex_address); } 00284 #endif 00285 00286 // GLIBCXX_ABI. 00287 struct __compat 00288 { 00289 static const char _S_atoms[]; 00290 }; 00291 const char __compat::_S_atoms[] = "0123456789eEabcdfABCDF"; 00292 _GLIBCPP_ASM_SYMVER(_ZN9__gnu_cxx8__compat8_S_atomsE, _ZNSt10__num_base8_S_atomsE, GLIBCPP_3.2) 00293 } // namespace __gnu_cxx 00294 00295 namespace std 00296 { 00297 // Standard stream objects. 00298 typedef char fake_istream[sizeof(istream)] 00299 __attribute__ ((aligned(__alignof__(istream)))); 00300 typedef char fake_ostream[sizeof(ostream)] 00301 __attribute__ ((aligned(__alignof__(ostream)))); 00302 fake_istream cin; 00303 fake_ostream cout; 00304 fake_ostream cerr; 00305 fake_ostream clog; 00306 00307 #ifdef _GLIBCPP_USE_WCHAR_T 00308 typedef char fake_wistream[sizeof(wistream)] 00309 __attribute__ ((aligned(__alignof__(wistream)))); 00310 typedef char fake_wostream[sizeof(wostream)] 00311 __attribute__ ((aligned(__alignof__(wostream)))); 00312 fake_wistream wcin; 00313 fake_wostream wcout; 00314 fake_wostream wcerr; 00315 fake_wostream wclog; 00316 #endif 00317 } // namespace std

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