FreeBSD/Linux Kernel Cross Reference
sys/cddl/contrib/opensolaris/uts/common/sys/ccompile.h

     /*
      * CDDL HEADER START
      *
      * The contents of this file are subject to the terms of the
      * Common Development and Distribution License, Version 1.0 only
      * (the "License").  You may not use this file except in compliance
      * with the License.
      *
      * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     * or http://www.opensolaris.org/os/licensing.
     * See the License for the specific language governing permissions
     * and limitations under the License.
     *
     * When distributing Covered Code, include this CDDL HEADER in each
     * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     * If applicable, add the following below this CDDL HEADER, with the
     * fields enclosed by brackets "[]" replaced with your own identifying
     * information: Portions Copyright [yyyy] [name of copyright owner]
     *
     * CDDL HEADER END
     */
    /*
     * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     * Use is subject to license terms.
     */
    
    #ifndef _SYS_CCOMPILE_H
    #define _SYS_CCOMPILE_H
    
    #pragma ident   "%Z%%M% %I%     %E% SMI"
    
    /*
     * This file contains definitions designed to enable different compilers
     * to be used harmoniously on Solaris systems.
     */
    
    #ifdef  __cplusplus
    extern "C" {
    #endif
    
    /*
     * Allow for version tests for compiler bugs and features.
     */
    #if defined(__GNUC__)
    #define __GNUC_VERSION  \
            (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
    #else
    #define __GNUC_VERSION  0
    #endif
    
    #if defined(__ATTRIBUTE_IMPLEMENTED) || defined(__GNUC__)
    
    /*
     * analogous to lint's PRINTFLIKEn
     */
    #define __sun_attr___PRINTFLIKE__(__n)  \
                    __attribute__((__format__(printf, __n, (__n)+1)))
    #define __sun_attr___VPRINTFLIKE__(__n) \
                    __attribute__((__format__(printf, __n, 0)))
    
    /*
     * Handle the kernel printf routines that can take '%b' too
     */
    #if __GNUC_VERSION < 30402
    /*
     * XX64 at least this doesn't work correctly yet with 3.4.1 anyway!
     */
    #define __sun_attr___KPRINTFLIKE__      __sun_attr___PRINTFLIKE__
    #define __sun_attr___KVPRINTFLIKE__     __sun_attr___VPRINTFLIKE__
    #else
    #define __sun_attr___KPRINTFLIKE__(__n) \
                    __attribute__((__format__(cmn_err, __n, (__n)+1)))
    #define __sun_attr___KVPRINTFLIKE__(__n) \
                    __attribute__((__format__(cmn_err, __n, 0)))
    #endif
    
    /*
     * This one's pretty obvious -- the function never returns
     */
    #define __sun_attr___noreturn__ __attribute__((__noreturn__))
    
    
    /*
     * This is an appropriate label for functions that do not
     * modify their arguments, e.g. strlen()
     */
    #define __sun_attr___pure__     __attribute__((__pure__))
    
    /*
     * This is a stronger form of __pure__. Can be used for functions
     * that do not modify their arguments and don't depend on global
     * memory.
     */
    #define __sun_attr___const__    __attribute__((__const__))
    
    /*
     * structure packing like #pragma pack(1)
     */
    #define __sun_attr___packed__   __attribute__((__packed__))
   
   #define ___sun_attr_inner(__a)  __sun_attr_##__a
   #define __sun_attr__(__a)       ___sun_attr_inner __a
   
   #else   /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */
   
   #define __sun_attr__(__a)
   
   #endif  /* __ATTRIBUTE_IMPLEMENTED || __GNUC__ */
   
   /*
    * Shorthand versions for readability
    */
   
   #define __PRINTFLIKE(__n)       __sun_attr__((__PRINTFLIKE__(__n)))
   #define __VPRINTFLIKE(__n)      __sun_attr__((__VPRINTFLIKE__(__n)))
   #define __KPRINTFLIKE(__n)      __sun_attr__((__KPRINTFLIKE__(__n)))
   #define __KVPRINTFLIKE(__n)     __sun_attr__((__KVPRINTFLIKE__(__n)))
   #define __CONST                 __sun_attr__((__const__))
   #define __PURE                  __sun_attr__((__pure__))
   
   
   #ifdef  __cplusplus
   }
   #endif
   
   #endif  /* _SYS_CCOMPILE_H */

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