ssp.h revision 1.3.10.2
1 1.3.10.2 martin /* $NetBSD: ssp.h,v 1.3.10.2 2008/04/28 20:22:55 martin Exp $ */ 2 1.3.10.2 martin 3 1.3.10.2 martin /*- 4 1.3.10.2 martin * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 1.3.10.2 martin * All rights reserved. 6 1.3.10.2 martin * 7 1.3.10.2 martin * This code is derived from software contributed to The NetBSD Foundation 8 1.3.10.2 martin * by Christos Zoulas. 9 1.3.10.2 martin * 10 1.3.10.2 martin * Redistribution and use in source and binary forms, with or without 11 1.3.10.2 martin * modification, are permitted provided that the following conditions 12 1.3.10.2 martin * are met: 13 1.3.10.2 martin * 1. Redistributions of source code must retain the above copyright 14 1.3.10.2 martin * notice, this list of conditions and the following disclaimer. 15 1.3.10.2 martin * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.10.2 martin * notice, this list of conditions and the following disclaimer in the 17 1.3.10.2 martin * documentation and/or other materials provided with the distribution. 18 1.3.10.2 martin * 19 1.3.10.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3.10.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3.10.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3.10.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3.10.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3.10.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3.10.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3.10.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3.10.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3.10.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.10.2 martin * POSSIBILITY OF SUCH DAMAGE. 30 1.3.10.2 martin */ 31 1.3.10.2 martin #ifndef _SSP_SSP_H_ 32 1.3.10.2 martin #define _SSP_SSP_H_ 33 1.3.10.2 martin 34 1.3.10.2 martin #include <sys/cdefs.h> 35 1.3.10.2 martin 36 1.3.10.2 martin #if !defined(__cplusplus) 37 1.3.10.2 martin # if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __GNUC_PREREQ__(4, 1) 38 1.3.10.2 martin # if _FORTIFY_SOURCE > 1 39 1.3.10.2 martin # define __SSP_FORTIFY_LEVEL 2 40 1.3.10.2 martin # else 41 1.3.10.2 martin # define __SSP_FORTIFY_LEVEL 1 42 1.3.10.2 martin # endif 43 1.3.10.2 martin # endif 44 1.3.10.2 martin #endif 45 1.3.10.2 martin 46 1.3.10.2 martin #define __ssp_alias_name(fun) __ ## fun ## _alias 47 1.3.10.2 martin #ifdef _NAMESPACE_H_ 48 1.3.10.2 martin #define __ssp_alias_func(fun, args) ___ ## fun ## _alias args 49 1.3.10.2 martin #else 50 1.3.10.2 martin #define __ssp_alias_func(fun, args) __ssp_alias_name(fun) args 51 1.3.10.2 martin #endif 52 1.3.10.2 martin #define __ssp_inline static __inline __attribute__((__always_inline__)) 53 1.3.10.2 martin #define __ssp_bos(ptr) __builtin_object_size(ptr, __SSP_FORTIFY_LEVEL > 1) 54 1.3.10.2 martin #define __ssp_bos0(ptr) __builtin_object_size(ptr, 0) 55 1.3.10.2 martin #define __ssp_redirect_raw(rtype, fun, args, call, bos) \ 56 1.3.10.2 martin __ssp_inline rtype __ssp_alias_name(fun) args; \ 57 1.3.10.2 martin __ssp_inline rtype __ssp_alias_name(fun) args { \ 58 1.3.10.2 martin if (bos(__buf) != (size_t)-1 && __len > bos(__buf)) \ 59 1.3.10.2 martin __chk_fail(); \ 60 1.3.10.2 martin return fun call; \ 61 1.3.10.2 martin } 62 1.3.10.2 martin 63 1.3.10.2 martin #define __ssp_redirect(rtype, fun, args, call) \ 64 1.3.10.2 martin __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos) 65 1.3.10.2 martin #define __ssp_redirect0(rtype, fun, args, call) \ 66 1.3.10.2 martin __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos0) 67 1.3.10.2 martin 68 1.3.10.2 martin __BEGIN_DECLS 69 1.3.10.2 martin void __stack_chk_fail(void) __attribute__((__noreturn__)); 70 1.3.10.2 martin void __chk_fail(void) __attribute__((__noreturn__)); 71 1.3.10.2 martin __END_DECLS 72 1.3.10.2 martin 73 1.3.10.2 martin #endif /* _SSP_SSP_H_ */ 74
Indexes created Wed Oct 29 20:09:47 GMT 2025