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--- xnu/xnu-12377.101.15/bsd/sys/bitstring.h
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-/*-
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Paul Vixie.
- *
- * 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.
- * 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.
- */
-
-#ifndef _SYS_BITSTRING_H_
-#define _SYS_BITSTRING_H_
-
-#ifdef XNU_KERNEL_PRIVATE
-#include <sys/mcache.h>
-
-typedef uint8_t bitstr_t;
-
-/* internal macros */
-/* byte of the bitstring bit is in */
-#define _bitstr_byte(bit) \
- ((bit) >> 3)
-
-/* mask for the bit within its byte */
-#define _bitstr_mask(bit) \
- (1 << ((bit) & 0x7))
-
-/* external macros */
-/* bytes in a bitstring of nbits bits */
-#define bitstr_size(nbits) \
- (((nbits) + 7) >> 3)
-
-/* allocate a bitstring on the stack */
-#define bit_decl(name, nbits) \
- ((name)[bitstr_size(nbits)])
-
-/* is bit N of bitstring name set? */
-#define bitstr_test(name, bit) \
- ((name)[_bitstr_byte(bit)] & _bitstr_mask(bit))
-
-/* set bit N of bitstring name */
-#define bitstr_set(name, bit) \
- ((name)[_bitstr_byte(bit)] |= _bitstr_mask(bit))
-
-/* set bit N of bitstring name (atomic) */
-#define bitstr_set_atomic(name, bit) \
- (void)os_atomic_or(&((name)[_bitstr_byte(bit)]), _bitstr_mask(bit), relaxed)
-
-/* clear bit N of bitstring name */
-#define bitstr_clear(name, bit) \
- ((name)[_bitstr_byte(bit)] &= ~_bitstr_mask(bit))
-
-/* clear bit N of bitstring name (atomic) */
-#define bitstr_clear_atomic(name, bit) \
- (void)os_atomic_andnot(&((name)[_bitstr_byte(bit)]), _bitstr_mask(bit), relaxed)
-
-/* clear bits start ... stop in bitstring */
-#define bitstr_nclear(name, start, stop) do { \
- bitstr_t *_name = (name); \
- int _start = (start), _stop = (stop); \
- int _startbyte = _bitstr_byte(_start); \
- int _stopbyte = _bitstr_byte(_stop); \
- if (_startbyte == _stopbyte) { \
- _name[_startbyte] &= ((0xff >> (8 - (_start & 0x7))) | \
- (0xff << ((_stop & 0x7) + 1))); \
- } else { \
- _name[_startbyte] &= 0xff >> (8 - (_start & 0x7)); \
- while (++_startbyte < _stopbyte) \
- _name[_startbyte] = 0; \
- _name[_stopbyte] &= 0xff << ((_stop & 0x7) + 1); \
- } \
-} while (0)
-
-/* set bits start ... stop in bitstring */
-#define bitstr_nset(name, start, stop) do { \
- bitstr_t *_name = (name); \
- int _start = (start), _stop = (stop); \
- int _startbyte = _bitstr_byte(_start); \
- int _stopbyte = _bitstr_byte(_stop); \
- if (_startbyte == _stopbyte) { \
- _name[_startbyte] |= ((0xff << (_start & 0x7)) & \
- (0xff >> (7 - (_stop & 0x7)))); \
- } else { \
- _name[_startbyte] |= 0xff << ((_start) & 0x7); \
- while (++_startbyte < _stopbyte) \
- _name[_startbyte] = 0xff; \
- _name[_stopbyte] |= 0xff >> (7 - (_stop & 0x7)); \
- } \
-} while (0)
-
-/* find first bit clear in name */
-#define bitstr_ffc(name, nbits, value) do { \
- bitstr_t *_name = (name); \
- int _byte, _nbits = (nbits); \
- int _stopbyte = _bitstr_byte(_nbits - 1), _value = -1; \
- if (_nbits > 0) \
- for (_byte = 0; _byte <= _stopbyte; ++_byte) \
- if (_name[_byte] != 0xff) { \
- bitstr_t _lb; \
- _value = _byte << 3; \
- for (_lb = _name[_byte]; (_lb & 0x1); \
- ++_value, _lb >>= 1); \
- break; \
- } \
- if (_value >= nbits) \
- _value = -1; \
- *(value) = _value; \
-} while (0)
-
-/* find first bit set in name */
-#define bitstr_ffs(name, nbits, value) do { \
- bitstr_t *_name = (name); \
- int _byte, _nbits = (nbits); \
- int _stopbyte = _bitstr_byte(_nbits - 1), _value = -1; \
- if (_nbits > 0) \
- for (_byte = 0; _byte <= _stopbyte; ++_byte) \
- if (_name[_byte]) { \
- bitstr_t _lb; \
- _value = _byte << 3; \
- for (_lb = _name[_byte]; !(_lb & 0x1); \
- ++_value, _lb >>= 1); \
- break; \
- } \
- if (_value >= nbits) \
- _value = -1; \
- *(value) = _value; \
-} while (0)
-
-#endif /* XNU_KERNEL_PRIVATE */
-#endif /* !_SYS_BITSTRING_H_ */