/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2010 Isilon Systems, Inc.
 * Copyright (c) 2010 iX Systems, Inc.
 * Copyright (c) 2010 Panasas, Inc.
 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
 * Copyright (c) 2015 François Tigeot
 * All rights reserved.
 */

#ifndef _LINUXKPI_LINUX_COMPILER_TYPES_H_
#define _LINUXKPI_LINUX_COMPILER_TYPES_H_

#include <sys/cdefs.h>

#include <compat/linuxkpi/common/include/linux/compiler_attributes.h>

#define __kernel
#define __user
#define __iomem
#define __percpu
#define __rcu
#define __chk_user_ptr(x)               ((void)0)
#define __chk_io_ptr(x)                 ((void)0)
#define __acquires(x)
#define __releases(x)
#define __acquire(x)                    do { } while (0)
#define __release(x)                    do { } while (0)
#define __cond_lock(x,c)                (c)
#define __force
#define __nocast
#define __safe
#define __builtin_warning(x, y...)      (1)

#define ___PASTE(a,b) a##b
#define __PASTE(a,b) ___PASTE(a,b)

#define __diag_push()
#define __diag_pop()
#define __diag_ignore_all(...)

#define __same_type(a, b)       __builtin_types_compatible_p(typeof(a), typeof(b))

/*
 * __builtin_counted_by_ref was introduced to
 * - gcc in e7380688fa59 with a first release tag of gcc-15.1.0,
 * - llvm in 7475156d49406 with a first release tag of llvmorg-20.1.0-rc1
 *   but cannot be used before 23 (22.x.y possibly) (see 09a3d830a888).
 */
#if (__has_builtin(__builtin_counted_by_ref)) && \
    (!defined(__clang__) || (__clang_major__ >= 23))
#define __flex_counter(_field)          __builtin_counted_by_ref(_field)
#else
#define __flex_counter(_field)          ((void *)NULL)
#endif

#endif