Home | History | Annotate | Line # | Download | only in include
      1 /*	$NetBSD: int_limits.h,v 1.10 2021/04/17 20:12:55 rillig Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _AMD64_INT_LIMITS_H_
     33 #define _AMD64_INT_LIMITS_H_
     34 
     35 #ifdef __SIG_ATOMIC_MAX__
     36 #include <sys/common_int_limits.h>
     37 #else
     38 
     39 #ifdef __x86_64__
     40 
     41 /*
     42  * 7.18.2 Limits of specified-width integer types
     43  */
     44 
     45 /* 7.18.2.1 Limits of exact-width integer types */
     46 
     47 /* minimum values of exact-width signed integer types */
     48 #define	INT8_MIN	(-0x7f-1)			/* int8_t	  */
     49 #define	INT16_MIN	(-0x7fff-1)			/* int16_t	  */
     50 #define	INT32_MIN	(-0x7fffffff-1)			/* int32_t	  */
     51 #define	INT64_MIN	(-0x7fffffffffffffffL-1)	/* int64_t	  */
     52 
     53 /* maximum values of exact-width signed integer types */
     54 #define	INT8_MAX	0x7f				/* int8_t	  */
     55 #define	INT16_MAX	0x7fff				/* int16_t	  */
     56 #define	INT32_MAX	0x7fffffff			/* int32_t	  */
     57 #define	INT64_MAX	0x7fffffffffffffffL		/* int64_t	  */
     58 
     59 /* maximum values of exact-width unsigned integer types */
     60 #define	UINT8_MAX	0xff				/* uint8_t	  */
     61 #define	UINT16_MAX	0xffff				/* uint16_t	  */
     62 #define	UINT32_MAX	0xffffffffU			/* uint32_t	  */
     63 #define	UINT64_MAX	0xffffffffffffffffUL		/* uint64_t	  */
     64 
     65 /* 7.18.2.2 Limits of minimum-width integer types */
     66 
     67 /* minimum values of minimum-width signed integer types */
     68 #define	INT_LEAST8_MIN	(-0x7f-1)			/* int_least8_t	  */
     69 #define	INT_LEAST16_MIN	(-0x7fff-1)			/* int_least16_t  */
     70 #define	INT_LEAST32_MIN	(-0x7fffffff-1)			/* int_least32_t  */
     71 #define	INT_LEAST64_MIN	(-0x7fffffffffffffffL-1)	/* int_least64_t  */
     72 
     73 /* maximum values of minimum-width signed integer types */
     74 #define	INT_LEAST8_MAX	0x7f				/* int_least8_t	  */
     75 #define	INT_LEAST16_MAX	0x7fff				/* int_least16_t  */
     76 #define	INT_LEAST32_MAX	0x7fffffff			/* int_least32_t  */
     77 #define	INT_LEAST64_MAX	0x7fffffffffffffffL		/* int_least64_t  */
     78 
     79 /* maximum values of minimum-width unsigned integer types */
     80 #define	UINT_LEAST8_MAX	 0xff				/* uint_least8_t  */
     81 #define	UINT_LEAST16_MAX 0xffff				/* uint_least16_t */
     82 #define	UINT_LEAST32_MAX 0xffffffffU			/* uint_least32_t */
     83 #define	UINT_LEAST64_MAX 0xffffffffffffffffUL		/* uint_least64_t */
     84 
     85 /* 7.18.2.3 Limits of fastest minimum-width integer types */
     86 
     87 /* minimum values of fastest minimum-width signed integer types */
     88 #define	INT_FAST8_MIN	(-0x7fffffff-1)			/* int_fast8_t	  */
     89 #define	INT_FAST16_MIN	(-0x7fffffff-1)			/* int_fast16_t	  */
     90 #define	INT_FAST32_MIN	(-0x7fffffff-1)			/* int_fast32_t	  */
     91 #define	INT_FAST64_MIN	(-0x7fffffffffffffffLL-1)	/* int_fast64_t	  */
     92 
     93 /* maximum values of fastest minimum-width signed integer types */
     94 #define	INT_FAST8_MAX	0x7fffffff			/* int_fast8_t	  */
     95 #define	INT_FAST16_MAX	0x7fffffff			/* int_fast16_t	  */
     96 #define	INT_FAST32_MAX	0x7fffffff			/* int_fast32_t	  */
     97 #define	INT_FAST64_MAX	0x7fffffffffffffffLL		/* int_fast64_t	  */
     98 
     99 /* maximum values of fastest minimum-width unsigned integer types */
    100 #define	UINT_FAST8_MAX	0xffffffffU			/* uint_fast8_t	  */
    101 #define	UINT_FAST16_MAX	0xffffffffU			/* uint_fast16_t  */
    102 #define	UINT_FAST32_MAX	0xffffffffU			/* uint_fast32_t  */
    103 #define	UINT_FAST64_MAX	0xffffffffffffffffULL		/* uint_fast64_t  */
    104 
    105 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
    106 
    107 #define	INTPTR_MIN	(-0x7fffffffffffffffL-1)	/* intptr_t	  */
    108 #define	INTPTR_MAX	0x7fffffffffffffffL		/* intptr_t	  */
    109 #define	UINTPTR_MAX	0xffffffffffffffffUL		/* uintptr_t	  */
    110 
    111 /* 7.18.2.5 Limits of greatest-width integer types */
    112 
    113 #define	INTMAX_MIN	(-0x7fffffffffffffffL-1)	/* intmax_t	  */
    114 #define	INTMAX_MAX	0x7fffffffffffffffL		/* intmax_t	  */
    115 #define	UINTMAX_MAX	0xffffffffffffffffUL		/* uintmax_t	  */
    116 
    117 
    118 /*
    119  * 7.18.3 Limits of other integer types
    120  */
    121 
    122 /* limits of ptrdiff_t */
    123 #define	PTRDIFF_MIN	(-0x7fffffffffffffffL-1)	/* ptrdiff_t	  */
    124 #define	PTRDIFF_MAX	0x7fffffffffffffffL		/* ptrdiff_t	  */
    125 
    126 /* limits of sig_atomic_t */
    127 #define	SIG_ATOMIC_MIN	(-0x7fffffff-1)			/* sig_atomic_t	  */
    128 #define	SIG_ATOMIC_MAX	0x7fffffff			/* sig_atomic_t	  */
    129 
    130 /* limit of size_t */
    131 #define	SIZE_MAX	0xffffffffffffffffUL		/* size_t	  */
    132 
    133 #else	/*	__x86_64__	*/
    134 
    135 #include <i386/int_limits.h>
    136 
    137 #endif	/*	__x86_64__	*/
    138 
    139 #endif
    140 
    141 #endif /* !_AMD64_INT_LIMITS_H_ */
    142