| 1 | /*␉Copyright (C) 2004 Garrett A. Kajmowicz␊ |
| 2 | ␊ |
| 3 | ␉This file is part of the uClibc++ Library. ␊ |
| 4 | ␊ |
| 5 | ␉This library is free software; you can redistribute it and/or␊ |
| 6 | ␉modify it under the terms of the GNU Lesser General Public␊ |
| 7 | ␉License as published by the Free Software Foundation; either␊ |
| 8 | ␉version 2.1 of the License, or (at your option) any later version.␊ |
| 9 | ␊ |
| 10 | ␉This library 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 GNU␊ |
| 13 | ␉Lesser General Public License for more details.␊ |
| 14 | ␊ |
| 15 | ␉You should have received a copy of the GNU Lesser General Public␊ |
| 16 | ␉License along with this library; if not, write to the Free Software␊ |
| 17 | ␉Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA␊ |
| 18 | */␊ |
| 19 | ␊ |
| 20 | #include <support>␊ |
| 21 | #ifdef __UCLIBCXX_EXCEPTION_SUPPORT__␊ |
| 22 | extern "C" void *__cxa_allocate_exception(size_t thrown_size)␊ |
| 23 | {␊ |
| 24 | ␉void * retval;␊ |
| 25 | ␊ |
| 26 | ␉/*The amount of data needed is the size of the object *PLUS*␊ |
| 27 | ␉the size of the header. The header is of struct __cxa_exception␊ |
| 28 | ␉The address needs to be adjusted because the pointer we return␊ |
| 29 | ␉should not point to the start of the memory, but to the point␊ |
| 30 | ␉where the object being thrown actually starts*/␊ |
| 31 | ␊ |
| 32 | ␉retval = malloc(thrown_size + sizeof(__cxa_exception));␊ |
| 33 | ␊ |
| 34 | //␉Check to see that we actuall allocated memory␊ |
| 35 | ␉if(retval == 0){␊ |
| 36 | ␉␉std::terminate();␊ |
| 37 | ␉}␊ |
| 38 | ␊ |
| 39 | ␉//Need to do a typecast to char* otherwize we are doing math with␊ |
| 40 | ␉//a void* which makes the compiler cranky (Like me)␊ |
| 41 | ␉return ((char *)retval + sizeof(__cxa_exception));␊ |
| 42 | }␊ |
| 43 | ␊ |
| 44 | extern "C" void __cxa_free_exception(void *thrown_exception){␊ |
| 45 | ␊ |
| 46 | ␊ |
| 47 | ␊ |
| 48 | }␊ |
| 49 | ␊ |
| 50 | extern "C" void __cxa_throw (void *thrown_exception, std::type_info *tinfo,void (*dest) (void *) ){␊ |
| 51 | ␊ |
| 52 | }␊ |
| 53 | #endif␊ |
| 54 | ␊ |
| 55 | |
