| 1 |
/* Object size checking support macros. |
| 2 |
Copyright (C) 2004-2021 Free Software Foundation, Inc. |
| 3 |
|
| 4 |
This file is part of GCC. |
| 5 |
|
| 6 |
GCC is free software; you can redistribute it and/or modify it under |
| 7 |
the terms of the GNU General Public License as published by the Free |
| 8 |
Software Foundation; either version 3, or (at your option) any later |
| 9 |
version. |
| 10 |
|
| 11 |
In addition to the permissions in the GNU General Public License, the |
| 12 |
Free Software Foundation gives you unlimited permission to link the |
| 13 |
compiled version of this file into combinations with other programs, |
| 14 |
and to distribute those combinations without any restriction coming |
| 15 |
from the use of this file. (The General Public License restrictions |
| 16 |
do apply in other respects; for example, they cover modification of |
| 17 |
the file, and distribution when not linked into a combine |
| 18 |
executable.) |
| 19 |
|
| 20 |
GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 21 |
WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 22 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 23 |
for more details. |
| 24 |
|
| 25 |
Under Section 7 of GPL version 3, you are granted additional |
| 26 |
permissions described in the GCC Runtime Library Exception, version |
| 27 |
3.1, as published by the Free Software Foundation. |
| 28 |
|
| 29 |
You should have received a copy of the GNU General Public License and |
| 30 |
a copy of the GCC Runtime Library Exception along with this program; |
| 31 |
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 32 |
<http://www.gnu.org/licenses/>. */ |
| 33 |
|
| 34 |
|
| 35 |
#ifndef _SSP_H |
| 36 |
#define _SSP_H 1 |
| 37 |
|
| 38 |
#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 \ |
| 39 |
&& defined __GNUC__ \ |
| 40 |
&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) \ |
| 41 |
&& !defined __cplusplus |
| 42 |
# if _FORTIFY_SOURCE == 1 |
| 43 |
# define __SSP_FORTIFY_LEVEL 1 |
| 44 |
# elif _FORTIFY_SOURCE > 1 |
| 45 |
# define __SSP_FORTIFY_LEVEL 2 |
| 46 |
# endif |
| 47 |
#endif |
| 48 |
|
| 49 |
#if __SSP_FORTIFY_LEVEL > 0 |
| 50 |
# include <stddef.h> |
| 51 |
# define __ssp_bos(ptr) __builtin_object_size (ptr, __SSP_FORTIFY_LEVEL > 1) |
| 52 |
# define __ssp_bos0(ptr) __builtin_object_size (ptr, 0) |
| 53 |
|
| 54 |
# define __SSP_REDIRECT(name, proto, alias) \ |
| 55 |
name proto __asm__ (__SSP_ASMNAME (#alias)) |
| 56 |
# define __SSP_ASMNAME(cname) __SSP_ASMNAME2 (__USER_LABEL_PREFIX__, cname) |
| 57 |
# define __SSP_ASMNAME2(prefix, cname) __SSP_ASMNAME3 (prefix) cname |
| 58 |
# define __SSP_ASMNAME3(prefix) #prefix |
| 59 |
|
| 60 |
# define __SSP_HAVE_VSNPRINTF |
| 61 |
|
| 62 |
extern void __chk_fail (void) __attribute__((__noreturn__)); |
| 63 |
#endif |
| 64 |
|
| 65 |
#endif /* _SSP_H */ |
