libsupc++/initialize_lib.cpp

   1 /*
   2 lightOS supc++
   3 Copyright (C) 2006-2008 Jörg Pfähler
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  18 */
  19 #include <cstddef>
  20 #include "c++abi.hpp"
  21 using namespace std;
  22 using namespace __cxxabiv1;
  23
  24 /*! Beginning of the .ctors section */
  25 extern void (*__lib_ctors_start__)();
  26 /*! End of the .ctors section */
  27 extern void (*__lib_ctors_end__)();
  28
  29 // TODO: rework
  30 void __cxxabiv1::__cxa_initialize_lib()
  31 {
  32   void (**Constructor)() = &__lib_ctors_start__;
  33
  34   size_t i = (reinterpret_cast<size_t>(&__lib_ctors_end__) -
  35         reinterpret_cast<size_t>(&__lib_ctors_start__)) / sizeof(void *);
  36   for (;i > 0;i--)
  37   {
  38     (*Constructor)();
  39     ++Constructor;
  40   }
  41 }