libstdc++-v3/libsupc++/cxxabi_init_exception.h

   1 // ABI Support -*- C++ -*-
   2
   3 // Copyright (C) 2016-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of GCC.
   6 //
   7 // GCC is free software; you can redistribute it and/or modify
   8 // it under the terms of the GNU General Public License as published by
   9 // the Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // GCC is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // Under Section 7 of GPL version 3, you are granted additional
  18 // permissions described in the GCC Runtime Library Exception, version
  19 // 3.1, as published by the Free Software Foundation.
  20
  21 // You should have received a copy of the GNU General Public License and
  22 // a copy of the GCC Runtime Library Exception along with this program;
  23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 /** @file bits/cxxabi_init_exception.h
  27  *  This is an internal header file, included by other library headers.
  28  *  Do not attempt to use it directly.
  29  */
  30
  31 #ifndef _CXXABI_INIT_EXCEPTION_H
  32 #define _CXXABI_INIT_EXCEPTION_H 1
  33
  34 #pragma GCC system_header
  35
  36 #pragma GCC visibility push(default)
  37
  38 #include <stddef.h>
  39 #include <bits/c++config.h>
  40
  41 #ifndef _GLIBCXX_CDTOR_CALLABI
  42 #define _GLIBCXX_CDTOR_CALLABI
  43 #define _GLIBCXX_HAVE_CDTOR_CALLABI 0
  44 #else
  45 #define _GLIBCXX_HAVE_CDTOR_CALLABI 1
  46 #endif
  47
  48 #ifdef __cplusplus
  49
  50 namespace std
  51 {
  52   class type_info;
  53 }
  54
  55 namespace __cxxabiv1
  56 {
  57   struct __cxa_refcounted_exception;
  58
  59   extern "C"
  60     {
  61       // Allocate memory for the primary exception plus the thrown object.
  62       void*
  63       __cxa_allocate_exception(size_t) _GLIBCXX_NOTHROW;
  64
  65       void
  66       __cxa_free_exception(void*) _GLIBCXX_NOTHROW;
  67
  68       // Initialize exception (this is a GNU extension)
  69       __cxa_refcounted_exception*
  70       __cxa_init_primary_exception(void *object, std::type_info *tinfo,
  71                 void (_GLIBCXX_CDTOR_CALLABI *dest) (void *)) _GLIBCXX_NOTHROW;
  72
  73     }
  74 } // namespace __cxxabiv1
  75
  76 #endif
  77
  78 #pragma GCC visibility pop
  79
  80 #endif // _CXXABI_INIT_EXCEPTION_H