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<a href="a00023.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// ABI Support -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2000-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of GCC.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// GCC is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// the Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">//</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// GCC is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">//</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Written by Nathan Sidwell, Codesourcery LLC, <nathan@codesourcery.com></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/* This file declares the new abi entry points into the runtime. It is not</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> normally necessary for user programs to include this header, or use the</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> entry points directly. However, this header is available should that be</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> needed.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> Some of the entry points are intended for both C and C++, thus this header</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> is includable from both C and C++. Though the C++ specific parts are not</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> available in C, naturally enough. */</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/** @file cxxabi.h</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * The header provides an interface to the C++ ABI.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#ifndef _CXXABI_H</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define _CXXABI_H 1</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#pragma GCC system_header</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#pragma GCC visibility push(default)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="code" href="a00656.html">bits/c++config.h</a>></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <<a class="code" href="a00680.html">bits/cxxabi_tweaks.h</a>></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <<a class="code" href="a00314.html">bits/cxxabi_forced.h</a>></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <<a class="code" href="a00317.html">bits/cxxabi_init_exception.h</a>></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">namespace </span>__cxxabiv1</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">typedef</span> __cxa_cdtor_return_type (*__cxa_cdtor_type)(<span class="keywordtype">void</span> *);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Allocate array.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  __cxa_vec_new(<span class="keywordtype">size_t</span> __element_count, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __constructor,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  __cxa_cdtor_type __destructor);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  __cxa_vec_new2(<span class="keywordtype">size_t</span> __element_count, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __constructor,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  __cxa_cdtor_type __destructor, <span class="keywordtype">void</span> *(*__alloc) (<span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">void</span> (*__dealloc) (<span class="keywordtype">void</span>*));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  __cxa_vec_new3(<span class="keywordtype">size_t</span> __element_count, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __constructor,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  __cxa_cdtor_type __destructor, <span class="keywordtype">void</span> *(*__alloc) (<span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> (*__dealloc) (<span class="keywordtype">void</span>*, <span class="keywordtype">size_t</span>));</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Construct array.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  __cxa_vec_ctor_return_type</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  __cxa_vec_ctor(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_count,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">size_t</span> __element_size, __cxa_cdtor_type __constructor,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  __cxa_cdtor_type __destructor);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  __cxa_vec_ctor_return_type</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  __cxa_vec_cctor(<span class="keywordtype">void</span>* __dest_array, <span class="keywordtype">void</span>* __src_array,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">size_t</span> __element_count, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  __cxa_cdtor_return_type (*__constructor) (<span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*),</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  __cxa_cdtor_type __destructor);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// Destruct array.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  __cxa_vec_dtor(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_count,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">size_t</span> __element_size, __cxa_cdtor_type __destructor);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  __cxa_vec_cleanup(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_count, <span class="keywordtype">size_t</span> __s,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  __cxa_cdtor_type __destructor) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// Destruct and release array.</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  __cxa_vec_delete(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __destructor);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  __cxa_vec_delete2(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __destructor,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> (*__dealloc) (<span class="keywordtype">void</span>*));</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  __cxa_vec_delete3(<span class="keywordtype">void</span>* __array_address, <span class="keywordtype">size_t</span> __element_size,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">size_t</span> __padding_size, __cxa_cdtor_type __destructor,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span> (*__dealloc) (<span class="keywordtype">void</span>*, <span class="keywordtype">size_t</span>));</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  __cxa_guard_acquire(__guard*);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  __cxa_guard_release(__guard*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  __cxa_guard_abort(__guard*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// DSO destruction.</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  __cxa_atexit(<span class="keywordtype">void</span> (*)(<span class="keywordtype">void</span>*), <span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  __cxa_finalize(<span class="keywordtype">void</span>*);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// TLS destruction.</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  __cxa_thread_atexit(<span class="keywordtype">void</span> (*)(<span class="keywordtype">void</span>*), <span class="keywordtype">void</span>*, <span class="keywordtype">void</span> *) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Pure virtual functions.</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  __cxa_pure_virtual(<span class="keywordtype">void</span>) __attribute__ ((__noreturn__));</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  __cxa_deleted_virtual(<span class="keywordtype">void</span>) __attribute__ ((__noreturn__));</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Exception handling auxiliary.</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  __cxa_bad_cast() __attribute__((__noreturn__));</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  __cxa_bad_typeid() __attribute__((__noreturn__));</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  __cxa_throw_bad_array_new_length() __attribute__((__noreturn__));</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"></span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> /**</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> * @brief Demangling routine.</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * ABI-mandated entry point in the C++ runtime library for demangling.</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> *</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * @param __mangled_name A NUL-terminated character string</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * containing the name to be demangled.</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> *</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * @param __output_buffer A region of memory, allocated with</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> * malloc, of @a *__length bytes, into which the demangled name is</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * stored. If @a __output_buffer is not long enough, it is</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * expanded using realloc. @a __output_buffer may instead be NULL;</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * in that case, the demangled name is placed in a region of memory</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * allocated with malloc.</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> *</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * @param __length If @a __length is non-NULL, the length of the</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * buffer containing the demangled name is placed in @a *__length.</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> *</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * @param __status @a *__status is set to one of the following values:</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * 0: The demangling operation succeeded.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * -1: A memory allocation failure occurred.</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * -2: @a mangled_name is not a valid name under the C++ ABI mangling rules.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * -3: One of the arguments is invalid.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> *</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * @return A pointer to the start of the NUL-terminated demangled</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> * name, or NULL if the demangling fails. The caller is</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * responsible for deallocating this memory using @c free.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> *</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * The demangling is performed using the C++ ABI mangling rules,</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * with GNU extensions. For example, this function is used in</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * __gnu_cxx::__verbose_terminate_handler.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> *</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * See https://gcc.gnu.org/onlinedocs/libstdc++/manual/ext_demangling.html</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> * for other examples of use.</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> *</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> * @note The same demangling functionality is available via</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * libiberty (@c <libiberty/demangle.h> and @c libiberty.a) in GCC</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * 3.1 and later, but that requires explicit installation (@c</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * --enable-install-libiberty) and uses a different API, although</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> * the ABI is unchanged.</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> */</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">char</span>*</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  __cxa_demangle(const <span class="keywordtype">char</span>* __mangled_name, <span class="keywordtype">char</span>* __output_buffer,</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">size_t</span>* __length, <span class="keywordtype">int</span>* __status);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> } <span class="comment">// namespace __cxxabiv1</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#include <<a class="code" href="a00035.html">typeinfo</a>></span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">namespace </span>__cxxabiv1</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// Type information for int, float etc.</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">class </span>__fundamental_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  __fundamental_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n) : <a class="code" href="a01541.html">std</a>::type_info(__n) { }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  ~__fundamental_type_info();</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  };</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Type information for array objects.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">class </span>__array_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  __array_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n) : <a class="code" href="a01541.html">std</a>::type_info(__n) { }</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  ~__array_type_info();</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  };</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// Type information for functions (both member and non-member).</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">class </span>__function_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  __function_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n) : <a class="code" href="a01541.html">std</a>::type_info(__n) { }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  ~__function_type_info();</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// Implementation defined member function.</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  __is_function_p() <span class="keyword">const</span>;</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  };</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">// Type information for enumerations.</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">class </span>__enum_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  __enum_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n) : <a class="code" href="a01541.html">std</a>::type_info(__n) { }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  ~__enum_type_info();</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  };</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Common type information for simple pointers and pointers to member.</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">class </span>__pbase_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __flags; <span class="comment">// Qualification of the target object.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> <a class="code" href="a01671.html">std::type_info</a>* __pointee; <span class="comment">// Type of pointed to object.</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  __pbase_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n, <span class="keywordtype">int</span> __quals,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> <a class="code" href="a01671.html">std::type_info</a>* __type)</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  : <a class="code" href="a01541.html">std</a>::type_info(__n), __flags(__quals), __pointee(__type)</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  { }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  ~__pbase_type_info();</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// Implementation defined type.</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">enum</span> __masks</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  __const_mask = 0x1,</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  __volatile_mask = 0x2,</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  __restrict_mask = 0x4,</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  __incomplete_mask = 0x8,</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  __incomplete_class_mask = 0x10,</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  __transaction_safe_mask = 0x20,</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  __noexcept_mask = 0x40</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  };</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  __pbase_type_info(<span class="keyword">const</span> __pbase_type_info&);</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  __pbase_type_info&</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  operator=(<span class="keyword">const</span> __pbase_type_info&);</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  __do_catch(<span class="keyword">const</span> <a class="code" href="a01671.html">std::type_info</a>* __thr_type, <span class="keywordtype">void</span>** __thr_obj,</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __outer) <span class="keyword">const</span>;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">inline</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  __pointer_catch(<span class="keyword">const</span> __pbase_type_info* __thr_type, <span class="keywordtype">void</span>** __thr_obj,</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordtype">unsigned</span> __outer) <span class="keyword">const</span>;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  };</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> __pbase_type_info::</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  __pointer_catch (<span class="keyword">const</span> __pbase_type_info *thrown_type,</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">void</span> **thr_obj,</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordtype">unsigned</span> outer)<span class="keyword"> const</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> __pointee->__do_catch (thrown_type->__pointee, thr_obj, outer + 2);</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// Type information for simple pointers.</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">class </span>__pointer_type_info : <span class="keyword">public</span> __pbase_type_info</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  {</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  __pointer_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n, <span class="keywordtype">int</span> __quals,</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">const</span> <a class="code" href="a01671.html">std::type_info</a>* __type)</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  : __pbase_type_info (__n, __quals, __type) { }</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  ~__pointer_type_info();</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  __is_pointer_p() <span class="keyword">const</span>;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  __pointer_catch(<span class="keyword">const</span> __pbase_type_info* __thr_type, <span class="keywordtype">void</span>** __thr_obj,</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordtype">unsigned</span> __outer) <span class="keyword">const</span>;</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  };</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keyword">class </span>__class_type_info;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">// Type information for a pointer to member variable.</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">class </span>__pointer_to_member_type_info : <span class="keyword">public</span> __pbase_type_info</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  __class_type_info* __context; <span class="comment">// Class of the member.</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  __pointer_to_member_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n, <span class="keywordtype">int</span> __quals,</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">const</span> <a class="code" href="a01671.html">std::type_info</a>* __type,</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  __class_type_info* __klass)</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  : __pbase_type_info(__n, __quals, __type), __context(__klass) { }</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  ~__pointer_to_member_type_info();</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  __pointer_to_member_type_info(<span class="keyword">const</span> __pointer_to_member_type_info&);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  __pointer_to_member_type_info&</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  operator=(<span class="keyword">const</span> __pointer_to_member_type_info&);</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// Implementation defined member function.</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  __pointer_catch(<span class="keyword">const</span> __pbase_type_info* __thr_type, <span class="keywordtype">void</span>** __thr_obj,</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">unsigned</span> __outer) <span class="keyword">const</span>;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  };</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// Helper class for __vmi_class_type.</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keyword">class </span>__base_class_type_info</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  {</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keyword">const</span> __class_type_info* __base_type; <span class="comment">// Base class type.</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="preprocessor">#ifdef _GLIBCXX_LLP64</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> __offset_flags; <span class="comment">// Offset and info.</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordtype">long</span> __offset_flags; <span class="comment">// Offset and info.</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">enum</span> __offset_flags_masks</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  __virtual_mask = 0x1,</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  __public_mask = 0x2,</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  __hwm_bit = 2,</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  __offset_shift = 8 <span class="comment">// Bits to shift offset.</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  };</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  __is_virtual_p()<span class="keyword"> const</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> __offset_flags & __virtual_mask; }</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  __is_public_p()<span class="keyword"> const</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> __offset_flags & __public_mask; }</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  ptrdiff_t</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  __offset()<span class="keyword"> const</span></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// This shift, being of a signed type, is implementation</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">// defined. GCC implements such shifts as arithmetic, which is</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// what we want.</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> static_cast<ptrdiff_t>(__offset_flags) >> __offset_shift;</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  };</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="comment">// Type information for a class.</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">class </span>__class_type_info : <span class="keyword">public</span> <a class="code" href="a01671.html">std::type_info</a></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  __class_type_info (<span class="keyword">const</span> <span class="keywordtype">char</span> *__n) : type_info(__n) { }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  ~__class_type_info ();</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// Implementation defined types.</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">// The type sub_kind tells us about how a base object is contained</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="comment">// within a derived object. We often do this lazily, hence the</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// UNKNOWN value. At other times we may use NOT_CONTAINED to mean</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">// not publicly contained.</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">enum</span> __sub_kind</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  {</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// We have no idea.</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  __unknown = 0,</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// Not contained within us (in some circumstances this might</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// mean not contained publicly)</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  __not_contained,</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// Contained ambiguously.</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  __contained_ambig,</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">// Via a virtual path.</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  __contained_virtual_mask = __base_class_type_info::__virtual_mask,</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// Via a public path.</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  __contained_public_mask = __base_class_type_info::__public_mask,</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// Contained within us.</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  __contained_mask = 1 << __base_class_type_info::__hwm_bit,</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  __contained_private = __contained_mask,</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  __contained_public = __contained_mask | __contained_public_mask</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  };</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keyword">struct </span>__upcast_result;</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">struct </span>__dyncast_result;</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  __do_upcast(<span class="keyword">const</span> __class_type_info* __dst_type, <span class="keywordtype">void</span>**__obj_ptr) <span class="keyword">const</span>;</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  __do_catch(<span class="keyword">const</span> type_info* __thr_type, <span class="keywordtype">void</span>** __thr_obj,</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordtype">unsigned</span> __outer) <span class="keyword">const</span>;</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="comment">// Helper for upcast. See if DST is us, or one of our bases.</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="comment">// Return false if not found, true if found.</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  __do_upcast(<span class="keyword">const</span> __class_type_info* __dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj,</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  __upcast_result& __restrict __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="comment">// Indicate whether SRC_PTR of type SRC_TYPE is contained publicly</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">// within OBJ_PTR. OBJ_PTR points to a base object of our type,</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="comment">// which is the destination type. SRC2DST indicates how SRC</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="comment">// objects might be contained within this type. If SRC_PTR is one</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// of our SRC_TYPE bases, indicate the virtuality. Returns</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// not_contained for non containment or private containment.</span></div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">inline</span> __sub_kind</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  __find_public_src(ptrdiff_t __src2dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keyword">const</span> __class_type_info* __src_type,</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr) <span class="keyword">const</span>;</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// Helper for dynamic cast. ACCESS_PATH gives the access from the</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// most derived object to this base. DST_TYPE indicates the</span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="comment">// desired type we want. OBJ_PTR points to a base of our type</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="comment">// within the complete object. SRC_TYPE indicates the static type</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">// started from and SRC_PTR points to that base within the most</span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// derived object. Fill in RESULT with what we find. Return true</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// if we have located an ambiguous match.</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keyword">const</span> __class_type_info* __dst_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keyword">const</span> __class_type_info* __src_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr,</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  __dyncast_result& __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">// Helper for find_public_subobj. SRC2DST indicates how SRC_TYPE</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="comment">// bases are inherited by the type started from -- which is not</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">// necessarily the current type. The current type will be a base</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// of the destination type. OBJ_PTR points to the current base.</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyword">virtual</span> __sub_kind</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  __do_find_public_src(ptrdiff_t __src2dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keyword">const</span> __class_type_info* __src_type,</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr) <span class="keyword">const</span>;</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  };</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">// Type information for a class with a single non-virtual base.</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">class </span>__si_class_type_info : <span class="keyword">public</span> __class_type_info</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  {</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keyword">const</span> __class_type_info* __base_type;</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  __si_class_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span> *__n, <span class="keyword">const</span> __class_type_info *__base)</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  : __class_type_info(__n), __base_type(__base) { }</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> </div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  ~__si_class_type_info();</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  __si_class_type_info(<span class="keyword">const</span> __si_class_type_info&);</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  __si_class_type_info&</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  operator=(<span class="keyword">const</span> __si_class_type_info&);</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">const</span> __class_type_info* __dst_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">const</span> __class_type_info* __src_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr,</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  __dyncast_result& __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keyword">virtual</span> __sub_kind</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  __do_find_public_src(ptrdiff_t __src2dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keyword">const</span> __class_type_info* __src_type,</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keyword">const</span> <span class="keywordtype">void</span>* __sub_ptr) <span class="keyword">const</span>;</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  __do_upcast(<span class="keyword">const</span> __class_type_info*__dst, <span class="keyword">const</span> <span class="keywordtype">void</span>*__obj,</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  __upcast_result& __restrict __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  };</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> </div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">// Type information for a class with multiple and/or virtual bases.</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keyword">class </span>__vmi_class_type_info : <span class="keyword">public</span> __class_type_info</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  {</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __flags; <span class="comment">// Details about the class hierarchy.</span></div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> __base_count; <span class="comment">// Number of direct bases.</span></div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> </div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="comment">// The array of bases uses the trailing array struct hack so this</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">// class is not constructable with a normal constructor. It is</span></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="comment">// internally generated by the compiler.</span></div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  __base_class_type_info __base_info[1]; <span class="comment">// Array of bases.</span></div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  __vmi_class_type_info(<span class="keyword">const</span> <span class="keywordtype">char</span>* __n, <span class="keywordtype">int</span> ___flags)</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  : __class_type_info(__n), __flags(___flags), __base_count(0) { }</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> </div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  ~__vmi_class_type_info();</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span> </div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="comment">// Implementation defined types.</span></div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keyword">enum</span> __flags_masks</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  {</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  __non_diamond_repeat_mask = 0x1, <span class="comment">// Distinct instance of repeated base.</span></div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  __diamond_shaped_mask = 0x2, <span class="comment">// Diamond shaped multiple inheritance.</span></div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  __flags_unknown_mask = 0x10</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  };</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// Implementation defined member functions.</span></div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keyword">const</span> __class_type_info* __dst_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">const</span> __class_type_info* __src_type, <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr,</div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  __dyncast_result& __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keyword">virtual</span> __sub_kind</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  __do_find_public_src(ptrdiff_t __src2dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj_ptr,</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keyword">const</span> __class_type_info* __src_type,</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr) <span class="keyword">const</span>;</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span> </div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  __do_upcast(<span class="keyword">const</span> __class_type_info* __dst, <span class="keyword">const</span> <span class="keywordtype">void</span>* __obj,</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  __upcast_result& __restrict __result) <span class="keyword">const</span>;</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  };</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span> </div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="comment">// Exception handling forward declarations.</span></div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">struct </span>__cxa_exception;</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keyword">struct </span>__cxa_refcounted_exception;</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keyword">struct </span>__cxa_dependent_exception;</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keyword">struct </span>__cxa_eh_globals;</div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span> </div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span></div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  {</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="comment">// Dynamic cast runtime.</span></div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="comment">// src2dst has the following possible values</span></div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="comment">// >-1: src_type is a unique public non-virtual base of dst_type</span></div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="comment">// dst_ptr + src2dst == src_ptr</span></div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// -1: unspecified relationship</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// -2: src_type is not a public base of dst_type</span></div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="comment">// -3: src_type is a multiple public non-virtual base of dst_type</span></div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  __dynamic_cast(<span class="keyword">const</span> <span class="keywordtype">void</span>* __src_ptr, <span class="comment">// Starting object.</span></div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keyword">const</span> __class_type_info* __src_type, <span class="comment">// Static type of object.</span></div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keyword">const</span> __class_type_info* __dst_type, <span class="comment">// Desired target type.</span></div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  ptrdiff_t __src2dst); <span class="comment">// How src and dst are related.</span></div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="comment">// Exception handling runtime.</span></div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// The __cxa_eh_globals for the current thread can be obtained by using</span></div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="comment">// either of the following functions. The "fast" version assumes at least</span></div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="comment">// one prior call of __cxa_get_globals has been made from the current</span></div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="comment">// thread, so no initialization is necessary.</span></div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  __cxa_eh_globals*</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  __cxa_get_globals() _GLIBCXX_NOTHROW __attribute__ ((__const__));</div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> </div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  __cxa_eh_globals*</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  __cxa_get_globals_fast() _GLIBCXX_NOTHROW __attribute__ ((__const__));</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// Free the space allocated for the primary exception.</span></div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  __cxa_free_exception(<span class="keywordtype">void</span>*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span> </div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="comment">// Throw the exception.</span></div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  __cxa_throw(<span class="keywordtype">void</span>*, <a class="code" href="a01541.html">std</a>::type_info*, <span class="keywordtype">void</span> (_GLIBCXX_CDTOR_CALLABI *) (<span class="keywordtype">void</span> *))</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  __attribute__((__noreturn__));</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// Used to implement exception handlers.</span></div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  __cxa_get_exception_ptr(<span class="keywordtype">void</span>*) _GLIBCXX_NOTHROW __attribute__ ((__pure__));</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span> </div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordtype">void</span>*</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  __cxa_begin_catch(<span class="keywordtype">void</span>*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span> </div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  __cxa_end_catch();</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  __cxa_rethrow() __attribute__((__noreturn__));</div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span> </div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="comment">// Returns the type_info for the currently handled exception [15.3/8], or</span></div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// null if there is none.</span></div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <a class="code" href="a01541.html">std</a>::type_info*</div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  __cxa_current_exception_type() _GLIBCXX_NOTHROW __attribute__ ((__pure__));</div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="comment">// GNU Extensions.</span></div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">// Allocate memory for a dependent exception.</span></div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  __cxa_dependent_exception*</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  __cxa_allocate_dependent_exception() _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span> </div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="comment">// Free the space allocated for the dependent exception.</span></div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  __cxa_free_dependent_exception(__cxa_dependent_exception*) _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  } <span class="comment">// extern "C"</span></div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span> </div><div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="comment">// A magic placeholder class that can be caught by reference</span></div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="comment">// to recognize foreign exceptions.</span></div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  class __foreign_exception</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  {</div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">virtual</span> ~__foreign_exception() throw();</div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  virtual <span class="keywordtype">void</span> __pure_dummy() = 0; <span class="comment">// prevent catch by value</span></div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  };</div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span> </div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span> } <span class="comment">// namespace __cxxabiv1</span></div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span> <span class="comment"></span></div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span> <span class="comment">/** @namespace abi</span></div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="comment"> * @brief The cross-vendor C++ Application Binary Interface. A</span></div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="comment"> * namespace alias to __cxxabiv1, but user programs should use the</span></div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment"> * alias 'abi'.</span></div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="comment"> *</span></div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="comment"> * A brief overview of an ABI is given in the libstdc++ FAQ, question</span></div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="comment"> * 5.8 (you may have a copy of the FAQ locally, or you can view the online</span></div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="comment"> * version at http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#5_8 ).</span></div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="comment"> *</span></div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="comment"> * GCC subscribes to a cross-vendor ABI for C++, sometimes</span></div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="comment"> * called the IA64 ABI because it happens to be the native ABI for that</span></div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span> <span class="comment"> * platform. It is summarized at http://www.codesourcery.com/cxx-abi/</span></div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="comment"> * along with the current specification.</span></div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="comment"> *</span></div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="comment"> * For users of GCC greater than or equal to 3.x, entry points are</span></div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="comment"> * available in <cxxabi.h>, which notes, <em>'It is not normally</span></div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="comment"> * necessary for user programs to include this header, or use the</span></div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span> <span class="comment"> * entry points directly. However, this header is available should</span></div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span> <span class="comment"> * that be needed.'</em></span></div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span> <span class="comment">*/</span></div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span> namespace abi = __cxxabiv1;</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span> namespace <a class="code" href="a01547.html">__gnu_cxx</a></div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span> {<span class="comment"></span></div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="comment"> /**</span></div><div class="line"><a name="l00683"></a><span class="lineno"> 683</span> <span class="comment"> * @brief Exception thrown by __cxa_guard_acquire.</span></div><div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="comment"> * @ingroup exceptions</span></div><div class="line"><a name="l00685"></a><span class="lineno"> 685</span> <span class="comment"> *</span></div><div class="line"><a name="l00686"></a><span class="lineno"> 686</span> <span class="comment"> * C++ 2011 6.7 [stmt.dcl]/4: If control re-enters the declaration</span></div><div class="line"><a name="l00687"></a><span class="lineno"> 687</span> <span class="comment"> * recursively while the variable is being initialized, the behavior</span></div><div class="line"><a name="l00688"></a><span class="lineno"> 688</span> <span class="comment"> * is undefined.</span></div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="comment"> *</span></div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span> <span class="comment"> * Since we already have a library function to handle locking, we might</span></div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="comment"> * as well check for this situation and throw an exception.</span></div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="comment"> * We use the second byte of the guard variable to remember that we're</span></div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="comment"> * in the middle of an initialization.</span></div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="comment"> */</span></div><div class="line"><a name="l00695"></a><span class="lineno"><a class="line" href="a01647.html"> 695</a></span>  <span class="keyword">class </span><a class="code" href="a01647.html">recursive_init_error</a>: <span class="keyword">public</span> <a class="code" href="a05427.html">std::exception</a></div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  {</div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <a class="code" href="a01647.html">recursive_init_error</a>() _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keyword">virtual</span> ~<a class="code" href="a01647.html">recursive_init_error</a>() _GLIBCXX_NOTHROW;</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  };</div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span> }</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="preprocessor">#endif // __cplusplus</span></div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span> </div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="preprocessor">#pragma GCC visibility pop</span></div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="preprocessor">#endif // __CXXABI_H</span></div><div class="ttc" id="a00656_html"><div class="ttname"><a href="a00656.html">c++config.h</a></div></div>
<div class="ttc" id="a01671_html"><div class="ttname"><a href="a01671.html">std::type_info</a></div><div class="ttdoc">Part of RTTI.</div><div class="ttdef"><b>Definition:</b> <a href="a00035_source.html#l00088">typeinfo:88</a></div></div>
<div class="ttc" id="a00035_html"><div class="ttname"><a href="a00035.html">typeinfo</a></div></div>
<div class="ttc" id="a01647_html"><div class="ttname"><a href="a01647.html">__gnu_cxx::recursive_init_error</a></div><div class="ttdoc">Exception thrown by __cxa_guard_acquire.C++ 2011 6.7 [stmt.dcl]/4: If control re-enters the declarati...</div><div class="ttdef"><b>Definition:</b> <a href="a00023_source.html#l00695">cxxabi.h:695</a></div></div>
<div class="ttc" id="a01547_html"><div class="ttname"><a href="a01547.html">__gnu_cxx</a></div><div class="ttdoc">GNU extensions for public use.</div></div>
<div class="ttc" id="a00314_html"><div class="ttname"><a href="a00314.html">cxxabi_forced.h</a></div></div>
<div class="ttc" id="a01541_html"><div class="ttname"><a href="a01541.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a00317_html"><div class="ttname"><a href="a00317.html">cxxabi_init_exception.h</a></div></div>
<div class="ttc" id="a00680_html"><div class="ttname"><a href="a00680.html">cxxabi_tweaks.h</a></div></div>
<div class="ttc" id="a05427_html"><div class="ttname"><a href="a05427.html">std::exception</a></div><div class="ttdoc">Base class for all library exceptions.</div><div class="ttdef"><b>Definition:</b> <a href="a00326_source.html#l00060">exception.h:60</a></div></div>
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