ssp.h revision 1.2.8.2
1 1.2.8.2 wrstuden /* $NetBSD: ssp.h,v 1.2.8.2 2007/09/03 07:01:09 wrstuden Exp $ */ 2 1.2.8.2 wrstuden 3 1.2.8.2 wrstuden /*- 4 1.2.8.2 wrstuden * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 1.2.8.2 wrstuden * All rights reserved. 6 1.2.8.2 wrstuden * 7 1.2.8.2 wrstuden * This code is derived from software contributed to The NetBSD Foundation 8 1.2.8.2 wrstuden * by Christos Zoulas. 9 1.2.8.2 wrstuden * 10 1.2.8.2 wrstuden * Redistribution and use in source and binary forms, with or without 11 1.2.8.2 wrstuden * modification, are permitted provided that the following conditions 12 1.2.8.2 wrstuden * are met: 13 1.2.8.2 wrstuden * 1. Redistributions of source code must retain the above copyright 14 1.2.8.2 wrstuden * notice, this list of conditions and the following disclaimer. 15 1.2.8.2 wrstuden * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.8.2 wrstuden * notice, this list of conditions and the following disclaimer in the 17 1.2.8.2 wrstuden * documentation and/or other materials provided with the distribution. 18 1.2.8.2 wrstuden * 3. All advertising materials mentioning features or use of this software 19 1.2.8.2 wrstuden * must display the following acknowledgement: 20 1.2.8.2 wrstuden * This product includes software developed by the NetBSD 21 1.2.8.2 wrstuden * Foundation, Inc. and its contributors. 22 1.2.8.2 wrstuden * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.8.2 wrstuden * contributors may be used to endorse or promote products derived 24 1.2.8.2 wrstuden * from this software without specific prior written permission. 25 1.2.8.2 wrstuden * 26 1.2.8.2 wrstuden * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.8.2 wrstuden * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.8.2 wrstuden * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.8.2 wrstuden * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.8.2 wrstuden * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.8.2 wrstuden * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.8.2 wrstuden * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.8.2 wrstuden * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.8.2 wrstuden * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.8.2 wrstuden * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.8.2 wrstuden * POSSIBILITY OF SUCH DAMAGE. 37 1.2.8.2 wrstuden */ 38 1.2.8.2 wrstuden #ifndef _SSP_SSP_H_ 39 1.2.8.2 wrstuden #define _SSP_SSP_H_ 40 1.2.8.2 wrstuden 41 1.2.8.2 wrstuden #include <sys/cdefs.h> 42 1.2.8.2 wrstuden 43 1.2.8.2 wrstuden #if !defined(__cplusplus) 44 1.2.8.2 wrstuden # if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __GNUC_PREREQ__(4, 1) 45 1.2.8.2 wrstuden # if _FORTIFY_SOURCE > 1 46 1.2.8.2 wrstuden # define __SSP_FORTIFY_LEVEL 2 47 1.2.8.2 wrstuden # else 48 1.2.8.2 wrstuden # define __SSP_FORTIFY_LEVEL 1 49 1.2.8.2 wrstuden # endif 50 1.2.8.2 wrstuden # endif 51 1.2.8.2 wrstuden #endif 52 1.2.8.2 wrstuden 53 1.2.8.2 wrstuden #define __ssp_alias_name(fun) __ ## fun ## _alias 54 1.2.8.2 wrstuden #ifdef _NAMESPACE_H_ 55 1.2.8.2 wrstuden #define __ssp_alias_func(fun, args) ___ ## fun ## _alias args 56 1.2.8.2 wrstuden #else 57 1.2.8.2 wrstuden #define __ssp_alias_func(fun, args) __ssp_alias_name(fun) args 58 1.2.8.2 wrstuden #endif 59 1.2.8.2 wrstuden #define __ssp_inline static __inline __attribute__((__always_inline__)) 60 1.2.8.2 wrstuden #define __ssp_bos(ptr) __builtin_object_size(ptr, __SSP_FORTIFY_LEVEL > 1) 61 1.2.8.2 wrstuden #define __ssp_bos0(ptr) __builtin_object_size(ptr, 0) 62 1.2.8.2 wrstuden #define __ssp_redirect_raw(rtype, fun, args, call, bos) \ 63 1.2.8.2 wrstuden __ssp_inline rtype __ssp_alias_name(fun) args; \ 64 1.2.8.2 wrstuden __ssp_inline rtype __ssp_alias_name(fun) args { \ 65 1.2.8.2 wrstuden if (bos(__buf) != (size_t)-1 && __len > bos(__buf)) \ 66 1.2.8.2 wrstuden __chk_fail(); \ 67 1.2.8.2 wrstuden return fun call; \ 68 1.2.8.2 wrstuden } 69 1.2.8.2 wrstuden 70 1.2.8.2 wrstuden #define __ssp_redirect(rtype, fun, args, call) \ 71 1.2.8.2 wrstuden __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos) 72 1.2.8.2 wrstuden #define __ssp_redirect0(rtype, fun, args, call) \ 73 1.2.8.2 wrstuden __ssp_redirect_raw(rtype, fun, args, call, __ssp_bos0) 74 1.2.8.2 wrstuden 75 1.2.8.2 wrstuden __BEGIN_DECLS 76 1.2.8.2 wrstuden void __stack_chk_fail(void) __attribute__((__noreturn__)); 77 1.2.8.2 wrstuden void __chk_fail(void) __attribute__((__noreturn__)); 78 1.2.8.2 wrstuden __END_DECLS 79 1.2.8.2 wrstuden 80 1.2.8.2 wrstuden #endif /* _SSP_SSP_H_ */ 81
Indexes created Wed Oct 29 20:09:47 GMT 2025