source: mainline/kernel/generic/include/verify.h@ a74d0ad

/*
 * Copyright (c) 2010 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup genericverify
 * @{
 */
/** @file
 */

#ifndef KERN_VERIFY_H_
#define KERN_VERIFY_H_


#ifdef CONFIG_VERIFY_VCC

#define ATOMIC         __specification_attr("atomic_inline", "")

#define READS(ptr)     __specification(reads(ptr))
#define WRITES(ptr)    __specification(writes(ptr))
#define REQUIRES(...)  __specification(requires __VA_ARGS__)

#define EXTENT(ptr)              \extent(ptr)
#define ARRAY_RANGE(ptr, nmemb)  \array_range(ptr, nmemb)

#define REQUIRES_EXTENT_MUTABLE(ptr) \
        REQUIRES(\extent_mutable(ptr))

#define REQUIRES_ARRAY_MUTABLE(ptr, nmemb) \
        REQUIRES(\mutable_array(ptr, nmemb))

#else /* CONFIG_VERIFY_VCC */

#define ATOMIC

#define READS(ptr)
#define WRITES(ptr)
#define REQUIRES(...)

#define EXTENT(ptr)
#define ARRAY_RANGE(ptr, nmemb)

#define REQUIRES_EXTENT_MUTABLE(ptr)
#define REQUIRES_ARRAY_MUTABLE(ptr, nmemb)

#endif /* CONFIG_VERIFY_VCC */


#endif

/** @}
 */