ssp.h revision 1.2.2.2
1 1.2.2.2 liamjfoy /* $NetBSD: ssp.h,v 1.2.2.2 2007/07/22 18:44:39 liamjfoy Exp $ */ 2 1.2.2.2 liamjfoy 3 1.2.2.2 liamjfoy /*- 4 1.2.2.2 liamjfoy * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 1.2.2.2 liamjfoy * All rights reserved. 6 1.2.2.2 liamjfoy * 7 1.2.2.2 liamjfoy * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 liamjfoy * by Christos Zoulas. 9 1.2.2.2 liamjfoy * 10 1.2.2.2 liamjfoy * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 liamjfoy * modification, are permitted provided that the following conditions 12 1.2.2.2 liamjfoy * are met: 13 1.2.2.2 liamjfoy * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 liamjfoy * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 liamjfoy * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 liamjfoy * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 liamjfoy * documentation and/or other materials provided with the distribution. 18 1.2.2.2 liamjfoy * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 liamjfoy * must display the following acknowledgement: 20 1.2.2.2 liamjfoy * This product includes software developed by the NetBSD 21 1.2.2.2 liamjfoy * Foundation, Inc. and its contributors. 22 1.2.2.2 liamjfoy * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 liamjfoy * contributors may be used to endorse or promote products derived 24 1.2.2.2 liamjfoy * from this software without specific prior written permission. 25 1.2.2.2 liamjfoy * 26 1.2.2.2 liamjfoy * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 liamjfoy * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 liamjfoy * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 liamjfoy * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 liamjfoy * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 liamjfoy * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 liamjfoy * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 liamjfoy * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 liamjfoy * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 liamjfoy * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 liamjfoy * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 liamjfoy */ 38 1.2.2.2 liamjfoy #ifndef _SSP_SSP_H_ 39 1.2.2.2 liamjfoy #define _SSP_SSP_H_ 40 1.2.2.2 liamjfoy 41 1.2.2.2 liamjfoy #include <sys/cdefs.h> 42 1.2.2.2 liamjfoy 43 1.2.2.2 liamjfoy #if !defined(__cplusplus) 44 1.2.2.2 liamjfoy # if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __GNUC_PREREQ__(4, 1) 45 1.2.2.2 liamjfoy # if _FORTIFY_SOURCE > 1 46 1.2.2.2 liamjfoy # define __SSP_FORTIFY_LEVEL 2 47 1.2.2.2 liamjfoy # else 48 1.2.2.2 liamjfoy # define __SSP_FORTIFY_LEVEL 1 49 1.2.2.2 liamjfoy # endif 50 1.2.2.2 liamjfoy # endif 51 1.2.2.2 liamjfoy #endif 52 1.2.2.2 liamjfoy 53 1.2.2.2 liamjfoy #define __ssp_alias_name(fun) __ ## fun ## _alias 54 1.2.2.2 liamjfoy #ifdef _NAMESPACE_H_ 55 1.2.2.2 liamjfoy #define __ssp_alias_func(fun, args) ___ ## fun ## _alias args 56 1.2.2.2 liamjfoy #else 57 1.2.2.2 liamjfoy #define __ssp_alias_func(fun, args) __ssp_alias_name(fun) args 58 1.2.2.2 liamjfoy #endif 59 1.2.2.2 liamjfoy #define __ssp_inline static __inline __attribute__((__always_inline__)) 60 1.2.2.2 liamjfoy #define __ssp_bos(ptr) __builtin_object_size(ptr, __SSP_FORTIFY_LEVEL > 1) 61 1.2.2.2 liamjfoy #define __ssp_bos0(ptr) __builtin_object_size(ptr, 0) 62 1.2.2.2 liamjfoy #define __ssp_redirect_raw(rtype, fun, args, call, bos) \ 63 1.2.2.2 liamjfoy __ssp_inline rtype __ssp_alias_name(fun) args; \ 64 1.2.2.2 liamjfoy __ssp_inline rtype __ssp_alias_name(fun) args { \ 65 1.2.2.2 liamjfoy if (bos(__buf) != (size_t)-1 && __len > bos(__buf)) \ 66 1.2.2.2 liamjfoy __chk_fail(); \ 67 1.2.2.2 liamjfoy return fun call; \ 68 1.2.2.2 liamjfoy } 69 1.2.2.2 liamjfoy 70 1.2.2.2 liamjfoy #define __ssp_redirect(rtype, fun, args, call) \ 71 1.2.2.2 liamjfoy __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos) 72 1.2.2.2 liamjfoy #define __ssp_redirect0(rtype, fun, args, call) \ 73 1.2.2.2 liamjfoy __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos0) 74 1.2.2.2 liamjfoy 75 1.2.2.2 liamjfoy __BEGIN_DECLS 76 1.2.2.2 liamjfoy void __stack_chk_fail(void) __attribute__((__noreturn__)); 77 1.2.2.2 liamjfoy void __chk_fail(void) __attribute__((__noreturn__)); 78 1.2.2.2 liamjfoy __END_DECLS 79 1.2.2.2 liamjfoy 80 1.2.2.2 liamjfoy #endif /* _SSP_SSP_H_ */ 81
Indexes created Sat Nov 01 05:10:12 GMT 2025