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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [include/] [sys/] [cdefs.h] - Rev 859
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/* libc/sys/linux/sys/cdefs.h - Helper macros for K&R vs. ANSI C compat. */ /* Written 2000 by Werner Almesberger */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Berkeley Software Design, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 * $FreeBSD: src/sys/sys/cdefs.h,v 1.54 2002/05/11 03:58:24 alfred Exp $ */ #ifndef _SYS_CDEFS_H #define _SYS_CDEFS_H #define __FBSDID(x) /* nothing */ /* * Note: the goal here is not compatibility to K&R C. Since we know that we * have GCC which understands ANSI C perfectly well, we make use of this. */ #define __P(args) args #define __PMT(args) args #define __const const #define __signed signed #define __volatile volatile #define __DOTS , ... #define __THROW #define __ptr_t void * #define __long_double_t long double #define __attribute_malloc__ #define __attribute_pure__ #define __attribute_format_strfmon__(a,b) #define __flexarr [0] #ifdef __cplusplus # define __BEGIN_DECLS extern "C" { # define __END_DECLS } #else # define __BEGIN_DECLS # define __END_DECLS #endif #ifndef __BOUNDED_POINTERS__ # define __bounded /* nothing */ # define __unbounded /* nothing */ # define __ptrvalue /* nothing */ #endif #ifdef __GNUC__ #define __strong_reference(sym,aliassym) \ extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))); #ifdef __ELF__ #ifdef __STDC__ #define __weak_reference(sym,alias) \ __asm__(".weak " #alias); \ __asm__(".equ " #alias ", " #sym) #define __warn_references(sym,msg) \ __asm__(".section .gnu.warning." #sym); \ __asm__(".asciz \"" msg "\""); \ __asm__(".previous") #else #define __weak_reference(sym,alias) \ __asm__(".weak alias"); \ __asm__(".equ alias, sym") #define __warn_references(sym,msg) \ __asm__(".section .gnu.warning.sym"); \ __asm__(".asciz \"msg\""); \ __asm__(".previous") #endif /* __STDC__ */ #else /* !__ELF__ */ #ifdef __STDC__ #define __weak_reference(sym,alias) \ __asm__(".stabs \"_" #alias "\",11,0,0,0"); \ __asm__(".stabs \"_" #sym "\",1,0,0,0") #define __warn_references(sym,msg) \ __asm__(".stabs \"" msg "\",30,0,0,0"); \ __asm__(".stabs \"_" #sym "\",1,0,0,0") #else #define __weak_reference(sym,alias) \ __asm__(".stabs \"_/**/alias\",11,0,0,0"); \ __asm__(".stabs \"_/**/sym\",1,0,0,0") #define __warn_references(sym,msg) \ __asm__(".stabs msg,30,0,0,0"); \ __asm__(".stabs \"_/**/sym\",1,0,0,0") #endif /* __STDC__ */ #endif /* __ELF__ */ #endif /* __GNUC__ */ #endif /* _SYS_CDEFS_H */
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