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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/* Object size checking support macros.
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Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SSP_H
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#define _SSP_H 1
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#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 \
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&& defined __GNUC__ \
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&& (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) \
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&& !defined __cplusplus
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# if _FORTIFY_SOURCE == 1
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# define __SSP_FORTIFY_LEVEL 1
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# elif _FORTIFY_SOURCE > 1
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# define __SSP_FORTIFY_LEVEL 2
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# endif
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#endif
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#if __SSP_FORTIFY_LEVEL > 0
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# include <stddef.h>
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# define __ssp_bos(ptr) __builtin_object_size (ptr, __SSP_FORTIFY_LEVEL > 1)
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# define __ssp_bos0(ptr) __builtin_object_size (ptr, 0)
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# define __SSP_REDIRECT(name, proto, alias) \
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name proto __asm__ (__SSP_ASMNAME (#alias))
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# define __SSP_ASMNAME(cname) __SSP_ASMNAME2 (__USER_LABEL_PREFIX__, cname)
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# define __SSP_ASMNAME2(prefix, cname) __SSP_ASMNAME3 (prefix) cname
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# define __SSP_ASMNAME3(prefix) #prefix
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# @ssp_have_usable_vsnprintf@ __SSP_HAVE_VSNPRINTF
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extern void __chk_fail (void) __attribute__((__noreturn__));
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#endif
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#endif /* _SSP_H */
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