1 // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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)
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.
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,
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.
28 #include "bits/c++config.h"
29 #include "bits/gthr.h"
34 #include <ext/stdio_filebuf.h>
35 #include <ext/stdio_sync_filebuf.h>
37 // On AIX, and perhaps other systems, library initialization order is
38 // not guaranteed. For example, the static initializers for the main
39 // program might run before the static initializers for this library.
40 // That means that we cannot rely on static initialization in the
41 // library; there is no guarantee that things will get initialized in
42 // time. This file contains definitions of all global variables that
43 // require initialization as arrays of characters.
45 // NB: asm directives can rename these non-exported, namespace
46 // __gnu_cxx symbols into exported, namespace std symbols with the
47 // appropriate symbol version name.
48 // The rename syntax is
49 // asm (".symver currentname,oldname@@GLIBCXX_3.2")
51 // _GLIBCXX_ASM_SYMVER(currentname, oldname, GLIBCXX_3.2)
55 // Standard stream objects.
56 // NB: Iff <iostream> is included, these definitions become wonky.
57 typedef char fake_istream
[sizeof(istream
)]
58 __attribute__ ((aligned(__alignof__(istream
))));
59 typedef char fake_ostream
[sizeof(ostream
)]
60 __attribute__ ((aligned(__alignof__(ostream
))));
66 #ifdef _GLIBCXX_USE_WCHAR_T
67 typedef char fake_wistream
[sizeof(wistream
)]
68 __attribute__ ((aligned(__alignof__(wistream
))));
69 typedef char fake_wostream
[sizeof(wostream
)]
70 __attribute__ ((aligned(__alignof__(wostream
))));
82 // We use different stream buffer types depending on whether
83 // ios_base::sync_with_stdio(false) has been called.
84 typedef char fake_stdiobuf
[sizeof(stdio_sync_filebuf
<char>)]
85 __attribute__ ((aligned(__alignof__(stdio_sync_filebuf
<char>))));
86 fake_stdiobuf buf_cout_sync
;
87 fake_stdiobuf buf_cin_sync
;
88 fake_stdiobuf buf_cerr_sync
;
90 typedef char fake_filebuf
[sizeof(stdio_filebuf
<char>)]
91 __attribute__ ((aligned(__alignof__(stdio_filebuf
<char>))));
92 fake_filebuf buf_cout
;
94 fake_filebuf buf_cerr
;
96 #ifdef _GLIBCXX_USE_WCHAR_T
97 typedef char fake_wstdiobuf
[sizeof(stdio_sync_filebuf
<wchar_t>)]
98 __attribute__ ((aligned(__alignof__(stdio_sync_filebuf
<wchar_t>))));
99 fake_wstdiobuf buf_wcout_sync
;
100 fake_wstdiobuf buf_wcin_sync
;
101 fake_wstdiobuf buf_wcerr_sync
;
103 typedef char fake_wfilebuf
[sizeof(stdio_filebuf
<wchar_t>)]
104 __attribute__ ((aligned(__alignof__(stdio_filebuf
<wchar_t>))));
105 fake_wfilebuf buf_wcout
;
106 fake_wfilebuf buf_wcin
;
107 fake_wfilebuf buf_wcerr
;
110 typedef char fake_locale_Impl
[sizeof(locale::_Impl
)]
111 __attribute__ ((aligned(__alignof__(locale::_Impl
))));
112 fake_locale_Impl c_locale_impl
;
114 typedef char fake_locale
[sizeof(locale
)]
115 __attribute__ ((aligned(__alignof__(locale
))));
116 fake_locale c_locale
;
118 typedef char fake_name_vec
[sizeof(char*)]
119 __attribute__ ((aligned(__alignof__(char*))));
120 fake_name_vec name_vec
[6 + _GLIBCXX_NUM_CATEGORIES
];
122 typedef char fake_names
[sizeof(char[2])]
123 __attribute__ ((aligned(__alignof__(char[2]))));
124 fake_names name_c
[6 + _GLIBCXX_NUM_CATEGORIES
];
126 typedef char fake_facet_vec
[sizeof(locale::facet
*)]
127 __attribute__ ((aligned(__alignof__(locale::facet
*))));
128 fake_facet_vec facet_vec
[_GLIBCXX_NUM_FACETS
];
130 typedef char fake_cache_vec
[sizeof(locale::facet
*)]
131 __attribute__ ((aligned(__alignof__(locale::facet
*))));
132 fake_cache_vec cache_vec
[_GLIBCXX_NUM_FACETS
];
134 typedef char fake_ctype_c
[sizeof(std::ctype
<char>)]
135 __attribute__ ((aligned(__alignof__(std::ctype
<char>))));
136 fake_ctype_c ctype_c
;
138 typedef char fake_collate_c
[sizeof(std::collate
<char>)]
139 __attribute__ ((aligned(__alignof__(std::collate
<char>))));
140 fake_collate_c collate_c
;
142 typedef char fake_numpunct_c
[sizeof(numpunct
<char>)]
143 __attribute__ ((aligned(__alignof__(numpunct
<char>))));
144 fake_numpunct_c numpunct_c
;
146 typedef char fake_num_get_c
[sizeof(num_get
<char>)]
147 __attribute__ ((aligned(__alignof__(num_get
<char>))));
148 fake_num_get_c num_get_c
;
150 typedef char fake_num_put_c
[sizeof(num_put
<char>)]
151 __attribute__ ((aligned(__alignof__(num_put
<char>))));
152 fake_num_put_c num_put_c
;
154 typedef char fake_codecvt_c
[sizeof(codecvt
<char, char, mbstate_t>)]
155 __attribute__ ((aligned(__alignof__(codecvt
<char, char, mbstate_t>))));
156 fake_codecvt_c codecvt_c
;
158 typedef char fake_moneypunct_c
[sizeof(moneypunct
<char, true>)]
159 __attribute__ ((aligned(__alignof__(moneypunct
<char, true>))));
160 fake_moneypunct_c moneypunct_ct
;
161 fake_moneypunct_c moneypunct_cf
;
163 typedef char fake_money_get_c
[sizeof(money_get
<char>)]
164 __attribute__ ((aligned(__alignof__(money_get
<char>))));
165 fake_money_get_c money_get_c
;
167 typedef char fake_money_put_c
[sizeof(money_put
<char>)]
168 __attribute__ ((aligned(__alignof__(money_put
<char>))));
169 fake_money_put_c money_put_c
;
171 typedef char fake_timepunct_c
[sizeof(__timepunct
<char>)]
172 __attribute__ ((aligned(__alignof__(__timepunct
<char>))));
173 fake_timepunct_c timepunct_c
;
175 typedef char fake_time_get_c
[sizeof(time_get
<char>)]
176 __attribute__ ((aligned(__alignof__(time_get
<char>))));
177 fake_time_get_c time_get_c
;
179 typedef char fake_time_put_c
[sizeof(time_put
<char>)]
180 __attribute__ ((aligned(__alignof__(time_put
<char>))));
181 fake_time_put_c time_put_c
;
183 typedef char fake_messages_c
[sizeof(messages
<char>)]
184 __attribute__ ((aligned(__alignof__(messages
<char>))));
185 fake_messages_c messages_c
;
187 #ifdef _GLIBCXX_USE_WCHAR_T
188 typedef char fake_wtype_w
[sizeof(std::ctype
<wchar_t>)]
189 __attribute__ ((aligned(__alignof__(std::ctype
<wchar_t>))));
190 fake_wtype_w ctype_w
;
192 typedef char fake_wollate_w
[sizeof(std::collate
<wchar_t>)]
193 __attribute__ ((aligned(__alignof__(std::collate
<wchar_t>))));
194 fake_wollate_w collate_w
;
196 typedef char fake_numpunct_w
[sizeof(numpunct
<wchar_t>)]
197 __attribute__ ((aligned(__alignof__(numpunct
<wchar_t>))));
198 fake_numpunct_w numpunct_w
;
200 typedef char fake_num_get_w
[sizeof(num_get
<wchar_t>)]
201 __attribute__ ((aligned(__alignof__(num_get
<wchar_t>))));
202 fake_num_get_w num_get_w
;
204 typedef char fake_num_put_w
[sizeof(num_put
<wchar_t>)]
205 __attribute__ ((aligned(__alignof__(num_put
<wchar_t>))));
206 fake_num_put_w num_put_w
;
208 typedef char fake_wodecvt_w
[sizeof(codecvt
<wchar_t, char, mbstate_t>)]
209 __attribute__ ((aligned(__alignof__(codecvt
<wchar_t, char, mbstate_t>))));
210 fake_wodecvt_w codecvt_w
;
212 typedef char fake_moneypunct_w
[sizeof(moneypunct
<wchar_t, true>)]
213 __attribute__ ((aligned(__alignof__(moneypunct
<wchar_t, true>))));
214 fake_moneypunct_w moneypunct_wt
;
215 fake_moneypunct_w moneypunct_wf
;
217 typedef char fake_money_get_w
[sizeof(money_get
<wchar_t>)]
218 __attribute__ ((aligned(__alignof__(money_get
<wchar_t>))));
219 fake_money_get_w money_get_w
;
221 typedef char fake_money_put_w
[sizeof(money_put
<wchar_t>)]
222 __attribute__ ((aligned(__alignof__(money_put
<wchar_t>))));
223 fake_money_put_w money_put_w
;
225 typedef char fake_timepunct_w
[sizeof(__timepunct
<wchar_t>)]
226 __attribute__ ((aligned(__alignof__(__timepunct
<wchar_t>))));
227 fake_timepunct_w timepunct_w
;
229 typedef char fake_time_get_w
[sizeof(time_get
<wchar_t>)]
230 __attribute__ ((aligned(__alignof__(time_get
<wchar_t>))));
231 fake_time_get_w time_get_w
;
233 typedef char fake_time_put_w
[sizeof(time_put
<wchar_t>)]
234 __attribute__ ((aligned(__alignof__(time_put
<wchar_t>))));
235 fake_time_put_w time_put_w
;
237 typedef char fake_messages_w
[sizeof(messages
<wchar_t>)]
238 __attribute__ ((aligned(__alignof__(messages
<wchar_t>))));
239 fake_messages_w messages_w
;
242 // Storage for "C" locale caches.
243 typedef char fake_num_cache_c
[sizeof(std::__numpunct_cache
<char>)]
244 __attribute__ ((aligned(__alignof__(std::__numpunct_cache
<char>))));
245 fake_num_cache_c numpunct_cache_c
;
247 typedef char fake_money_cache_c
[sizeof(std::__moneypunct_cache
<char>)]
248 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache
<char>))));
249 fake_money_cache_c moneypunct_cache_ct
;
250 fake_money_cache_c moneypunct_cache_cf
;
252 typedef char fake_time_cache_c
[sizeof(std::__timepunct_cache
<char>)]
253 __attribute__ ((aligned(__alignof__(std::__timepunct_cache
<char>))));
254 fake_time_cache_c timepunct_cache_c
;
256 #ifdef _GLIBCXX_USE_WCHAR_T
257 typedef char fake_num_cache_w
[sizeof(std::__numpunct_cache
<wchar_t>)]
258 __attribute__ ((aligned(__alignof__(std::__numpunct_cache
<wchar_t>))));
259 fake_num_cache_w numpunct_cache_w
;
261 typedef char fake_money_cache_w
[sizeof(std::__moneypunct_cache
<wchar_t>)]
262 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache
<wchar_t>))));
263 fake_money_cache_w moneypunct_cache_wt
;
264 fake_money_cache_w moneypunct_cache_wf
;
266 typedef char fake_time_cache_w
[sizeof(std::__timepunct_cache
<wchar_t>)]
267 __attribute__ ((aligned(__alignof__(std::__timepunct_cache
<wchar_t>))));
268 fake_time_cache_w timepunct_cache_w
;
271 // Globals for once-only runtime initialization of mutex objects. This
272 // allows static initialization of these objects on systems that need a
273 // function call to initialize a mutex. For example, see stl_threads.h.
274 #ifdef __GTHREAD_MUTEX_INIT
275 #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
276 __gthread_once_t _GLIBCXX_once
= __GTHREAD_ONCE_INIT
;
277 __gthread_mutex_t _GLIBCXX_mutex
;
278 __gthread_mutex_t
*_GLIBCXX_mutex_address
;
280 // Once-only initializer function for _GLIBCXX_mutex.
282 _GLIBCXX_mutex_init ()
283 { __GTHREAD_MUTEX_INIT_FUNCTION (&_GLIBCXX_mutex
); }
285 // Once-only initializer function for _GLIBCXX_mutex_address.
287 _GLIBCXX_mutex_address_init ()
288 { __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCXX_mutex_address
); }
290 } // namespace __gnu_cxx