[dragonfly.git] / sys / cpu / x86_64 / include / int_limits.h

/*-
 * Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
 * Copyright (c) 2001 The NetBSD Foundation, Inc.  All rights reserved.
 * Copyright (c) 1990, 1993 The Regents of the University of California. 
 *		All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Klaus Klein.
 *
 * 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 NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _CPU_INT_LIMITS_H_
#define _CPU_INT_LIMITS_H_

/*
 * ISO/IEC 9899:1999
 * 7.18.2.1 Limits of exact-width integer types
 */
/* Minimum values of exact-width signed integer types. */
#define	INT8_MIN	(-0x7f-1)
#define	INT16_MIN	(-0x7fff-1)
#define	INT32_MIN	(-0x7fffffff-1)
#define	INT64_MIN	(-0x7fffffffffffffffLL-1)

/* Maximum values of exact-width signed integer types. */
#define	INT8_MAX	0x7f
#define	INT16_MAX	0x7fff
#define	INT32_MAX	0x7fffffff
#define	INT64_MAX	0x7fffffffffffffffLL

/* Maximum values of exact-width unsigned integer types. */
#define	UINT8_MAX	0xff
#define	UINT16_MAX	0xffff
#define	UINT32_MAX	0xffffffffU
#define	UINT64_MAX	0xffffffffffffffffULL

/*
 * ISO/IEC 9899:1999
 * 7.18.2.4  Limits of integer types capable of holding object pointers
 */
#define	INTPTR_MIN	INT64_MIN
#define	INTPTR_MAX	INT64_MAX
#define	UINTPTR_MAX	UINT64_MAX

/*
 * ISO/IEC 9899:1999
 * 7.18.2.5  Limits of greatest-width integer types
 */
#define	INTMAX_MIN	INT64_MIN
#define	INTMAX_MAX	INT64_MAX
#define	UINTMAX_MAX	UINT64_MAX

/*
 * ISO/IEC 9899:1999
 * 7.18.3  Limits of other integer types
 */
/* Limits of ptrdiff_t. */
#define	PTRDIFF_MIN	INT64_MIN	
#define	PTRDIFF_MAX	INT64_MAX

/* Limits of sig_atomic_t. */
#define	SIG_ATOMIC_MIN	INT32_MIN
#define	SIG_ATOMIC_MAX	INT32_MAX

/* Limit of size_t. */
#define	SIZE_MAX	UINT64_MAX

/* XXX possibly should be removed from here */
/* Also possibly defined in <wchar.h> */
/* Limits of wchar_t. */
#ifndef WCHAR_MIN
#define	WCHAR_MIN	INT32_MIN
#endif
#ifndef WCHAR_MAX
#define	WCHAR_MAX	INT32_MAX
#endif

/* Limits of wint_t. */
#ifndef WINT_MIN
#define	WINT_MIN	INT32_MIN
#endif
#ifndef WINT_MAX
#define	WINT_MAX	INT32_MAX
#endif

/*
 * ISO/IEC 9899:1999
 * 7.18.2.2  Limits of minimum-width integer types
 */
/* Minimum values of minimum-width signed integer types. */
#define	INT_LEAST8_MIN		INT8_MIN
#define	INT_LEAST16_MIN		INT16_MIN
#define	INT_LEAST32_MIN		INT32_MIN
#define	INT_LEAST64_MIN		INT64_MIN

/* Maximum values of minimum-width signed integer types. */
#define	INT_LEAST8_MAX		INT8_MAX
#define	INT_LEAST16_MAX		INT16_MAX
#define	INT_LEAST32_MAX		INT32_MAX
#define	INT_LEAST64_MAX		INT64_MAX

/* Maximum values of minimum-width unsigned integer types. */
#define	UINT_LEAST8_MAX		UINT8_MAX
#define	UINT_LEAST16_MAX	UINT16_MAX
#define	UINT_LEAST32_MAX	UINT32_MAX
#define	UINT_LEAST64_MAX	UINT64_MAX

/*
 * ISO/IEC 9899:1999
 * 7.18.2.3  Limits of fastest minimum-width integer types
 */
/* Minimum values of fastest minimum-width signed integer types. */
#define	INT_FAST8_MIN		INT32_MIN
#define	INT_FAST16_MIN		INT32_MIN
#define	INT_FAST32_MIN		INT32_MIN
#define	INT_FAST64_MIN		INT64_MIN

/* Maximum values of fastest minimum-width signed integer types. */
#define	INT_FAST8_MAX		INT32_MAX
#define	INT_FAST16_MAX		INT32_MAX
#define	INT_FAST32_MAX		INT32_MAX
#define	INT_FAST64_MAX		INT64_MAX

/* Maximum values of fastest minimum-width unsigned integer types. */
#define	UINT_FAST8_MAX		UINT32_MAX
#define	UINT_FAST16_MAX		UINT32_MAX
#define	UINT_FAST32_MAX		UINT32_MAX
#define	UINT_FAST64_MAX		UINT64_MAX

#endif
Commit	Line	Data
0d2a1dea SS	1	/*-
	2	* Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
	3	* Copyright (c) 2001 The NetBSD Foundation, Inc. All rights reserved.
	4	* Copyright (c) 1990, 1993 The Regents of the University of California.
	5	* All rights reserved.
	6	*
	7	* This code is derived from software contributed to The NetBSD Foundation
	8	* by Klaus Klein.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 3. All advertising materials mentioning features or use of this software
	19	* must display the following acknowledgement:
	20	* This product includes software developed by the NetBSD
	21	* Foundation, Inc. and its contributors.
	22	* 4. Neither the name of The NetBSD Foundation nor the names of its
	23	* contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
	27	* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	28	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	29	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
	30	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	31	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	32	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	33	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	34	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	35	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	36	* POSSIBILITY OF SUCH DAMAGE.
	37	*/
	38
	39	#ifndef _CPU_INT_LIMITS_H_
	40	#define _CPU_INT_LIMITS_H_
	41
	42	/*
	43	* ISO/IEC 9899:1999
	44	* 7.18.2.1 Limits of exact-width integer types
	45	*/
	46	/* Minimum values of exact-width signed integer types. */
	47	#define INT8_MIN (-0x7f-1)
	48	#define INT16_MIN (-0x7fff-1)
	49	#define INT32_MIN (-0x7fffffff-1)
	50	#define INT64_MIN (-0x7fffffffffffffffLL-1)
	51
	52	/* Maximum values of exact-width signed integer types. */
	53	#define INT8_MAX 0x7f
	54	#define INT16_MAX 0x7fff
	55	#define INT32_MAX 0x7fffffff
	56	#define INT64_MAX 0x7fffffffffffffffLL
	57
	58	/* Maximum values of exact-width unsigned integer types. */
	59	#define UINT8_MAX 0xff
	60	#define UINT16_MAX 0xffff
	61	#define UINT32_MAX 0xffffffffU
	62	#define UINT64_MAX 0xffffffffffffffffULL
	63
	64	/*
65	* ISO/IEC 9899:1999
66	* 7.18.2.4 Limits of integer types capable of holding object pointers
67	*/
68	#define INTPTR_MIN INT64_MIN
69	#define INTPTR_MAX INT64_MAX
70	#define UINTPTR_MAX UINT64_MAX
71
72	/*
73	* ISO/IEC 9899:1999
74	* 7.18.2.5 Limits of greatest-width integer types
75	*/
76	#define INTMAX_MIN INT64_MIN
77	#define INTMAX_MAX INT64_MAX
78	#define UINTMAX_MAX UINT64_MAX
79
80	/*
81	* ISO/IEC 9899:1999
82	* 7.18.3 Limits of other integer types
83	*/
84	/* Limits of ptrdiff_t. */
85	#define PTRDIFF_MIN INT64_MIN
86	#define PTRDIFF_MAX INT64_MAX
87
88	/* Limits of sig_atomic_t. */
89	#define SIG_ATOMIC_MIN INT32_MIN
90	#define SIG_ATOMIC_MAX INT32_MAX
91
92	/* Limit of size_t. */
93	#define SIZE_MAX UINT64_MAX
94
37845db3 JG	95	/* XXX possibly should be removed from here */
	96	/* Also possibly defined in <wchar.h> */
	97	/* Limits of wchar_t. */
	98	#ifndef WCHAR_MIN
	99	#define WCHAR_MIN INT32_MIN
	100	#endif
	101	#ifndef WCHAR_MAX
	102	#define WCHAR_MAX INT32_MAX
	103	#endif
	104
	105	/* Limits of wint_t. */
	106	#ifndef WINT_MIN
	107	#define WINT_MIN INT32_MIN
	108	#endif
	109	#ifndef WINT_MAX
	110	#define WINT_MAX INT32_MAX
	111	#endif
0d2a1dea SS	112
	113	/*
	114	* ISO/IEC 9899:1999
	115	* 7.18.2.2 Limits of minimum-width integer types
	116	*/
	117	/* Minimum values of minimum-width signed integer types. */
	118	#define INT_LEAST8_MIN INT8_MIN
	119	#define INT_LEAST16_MIN INT16_MIN
	120	#define INT_LEAST32_MIN INT32_MIN
	121	#define INT_LEAST64_MIN INT64_MIN
	122
	123	/* Maximum values of minimum-width signed integer types. */
	124	#define INT_LEAST8_MAX INT8_MAX
	125	#define INT_LEAST16_MAX INT16_MAX
	126	#define INT_LEAST32_MAX INT32_MAX
	127	#define INT_LEAST64_MAX INT64_MAX
	128
	129	/* Maximum values of minimum-width unsigned integer types. */
	130	#define UINT_LEAST8_MAX UINT8_MAX
	131	#define UINT_LEAST16_MAX UINT16_MAX
	132	#define UINT_LEAST32_MAX UINT32_MAX
	133	#define UINT_LEAST64_MAX UINT64_MAX
	134
	135	/*
	136	* ISO/IEC 9899:1999
	137	* 7.18.2.3 Limits of fastest minimum-width integer types
	138	*/
	139	/* Minimum values of fastest minimum-width signed integer types. */
	140	#define INT_FAST8_MIN INT32_MIN
	141	#define INT_FAST16_MIN INT32_MIN
	142	#define INT_FAST32_MIN INT32_MIN
	143	#define INT_FAST64_MIN INT64_MIN
	144
	145	/* Maximum values of fastest minimum-width signed integer types. */
	146	#define INT_FAST8_MAX INT32_MAX
	147	#define INT_FAST16_MAX INT32_MAX
	148	#define INT_FAST32_MAX INT32_MAX
	149	#define INT_FAST64_MAX INT64_MAX
	150
	151	/* Maximum values of fastest minimum-width unsigned integer types. */
	152	#define UINT_FAST8_MAX UINT32_MAX
	153	#define UINT_FAST16_MAX UINT32_MAX
	154	#define UINT_FAST32_MAX UINT32_MAX
	155	#define UINT_FAST64_MAX UINT64_MAX
	156
	157	#endif