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- /* 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
- # @ssp_have_usable_vsnprintf@ __SSP_HAVE_VSNPRINTF
- extern void __chk_fail (void) __attribute__((__noreturn__));
- #endif
- #endif /* _SSP_H */
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