| /* Object size checking support macros. |
| Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| |
| #ifndef _SSP_H |
| #define _SSP_H 1 |
| |
| #if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 \ |
| && defined __GNUC__ \ |
| && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) \ |
| && !defined __cplusplus |
| # if _FORTIFY_SOURCE == 1 |
| # define __SSP_FORTIFY_LEVEL 1 |
| # elif _FORTIFY_SOURCE > 1 |
| # define __SSP_FORTIFY_LEVEL 2 |
| # endif |
| #endif |
| |
| #if __SSP_FORTIFY_LEVEL > 0 |
| # include <stddef.h> |
| # define __ssp_bos(ptr) __builtin_object_size (ptr, __SSP_FORTIFY_LEVEL > 1) |
| # define __ssp_bos0(ptr) __builtin_object_size (ptr, 0) |
| |
| # define __SSP_REDIRECT(name, proto, alias) \ |
| name proto __asm__ (__SSP_ASMNAME (#alias)) |
| # define __SSP_ASMNAME(cname) __SSP_ASMNAME2 (__USER_LABEL_PREFIX__, cname) |
| # define __SSP_ASMNAME2(prefix, cname) __SSP_ASMNAME3 (prefix) cname |
| # define __SSP_ASMNAME3(prefix) #prefix |
| |
| # undef __SSP_HAVE_VSNPRINTF |
| |
| extern void __chk_fail (void) __attribute__((__noreturn__)); |
| #endif |
| |
| #endif /* _SSP_H */ |
