1 /*- 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * @(#)limits.h 8.3 (Berkeley) 1/4/94 27 * $FreeBSD$ 28 */ 29 30 /* 31 * Portions copyright (c) 2017, ARM Limited and Contributors. 32 * All rights reserved. 33 */ 34 35 #ifndef _MACHINE__LIMITS_H_ 36 #define _MACHINE__LIMITS_H_ 37 38 /* 39 * According to ANSI (section 2.2.4.2), the values below must be usable by 40 * #if preprocessing directives. Additionally, the expression must have the 41 * same type as would an expression that is an object of the corresponding 42 * type converted according to the integral promotions. The subtraction for 43 * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an 44 * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). 45 */ 46 47 #define __CHAR_BIT 8 /* number of bits in a char */ 48 49 #define __SCHAR_MAX 0x7f /* max value for a signed char */ 50 #define __SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 51 52 #define __UCHAR_MAX 0xff /* max value for an unsigned char */ 53 54 #define __USHRT_MAX 0xffff /* max value for an unsigned short */ 55 #define __SHRT_MAX 0x7fff /* max value for a short */ 56 #define __SHRT_MIN (-0x7fff-1) /* min value for a short */ 57 58 #define __UINT_MAX 0xffffffffU /* max value for an unsigned int */ 59 #define __INT_MAX 0x7fffffff /* max value for an int */ 60 #define __INT_MIN (-0x7fffffff-1) /* min value for an int */ 61 62 #ifdef AARCH32 63 #define __ULONG_MAX 0xffffffffUL /* max for an unsigned long */ 64 #define __LONG_MAX 0x7fffffffL /* max for a long */ 65 #define __LONG_MIN (-0x7fffffffL-1) /* min for a long */ 66 #else 67 #define __ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */ 68 #define __LONG_MAX 0x7fffffffffffffffL /* max for a long */ 69 #define __LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */ 70 #endif 71 72 #define __ULLONG_MAX 0xffffffffffffffffULL /* max for an unsigned long long */ 73 #define __LLONG_MAX 0x7fffffffffffffffLL /* max for a long long */ 74 #define __LLONG_MIN (-0x7fffffffffffffffLL-1) /* min for a long long */ 75 76 #define __SSIZE_MAX __LONG_MAX /* max value for a ssize_t */ 77 78 #define __SIZE_T_MAX __ULONG_MAX /* max value for a size_t */ 79 80 #define __OFF_MAX __LONG_MAX /* max value for an off_t */ 81 #define __OFF_MIN __LONG_MIN /* min value for an off_t */ 82 83 #ifdef AARCH32 84 /* Quads and long longs are the same size. Ensure they stay in sync. */ 85 #define __UQUAD_MAX (__ULLONG_MAX) /* max value for a uquad_t */ 86 #define __QUAD_MAX (__LLONG_MAX) /* max value for a quad_t */ 87 #define __QUAD_MIN (__LLONG_MIN) /* min value for a quad_t */ 88 #else 89 /* Quads and longs are the same size. Ensure they stay in sync. */ 90 #define __UQUAD_MAX (__ULONG_MAX) /* max value for a uquad_t */ 91 #define __QUAD_MAX (__LONG_MAX) /* max value for a quad_t */ 92 #define __QUAD_MIN (__LONG_MIN) /* min value for a quad_t */ 93 #endif 94 95 #ifdef AARCH32 96 #define __LONG_BIT 32 97 #else 98 #define __LONG_BIT 64 99 #endif 100 #define __WORD_BIT 32 101 102 /* Minimum signal stack size. */ 103 #define __MINSIGSTKSZ (1024 * 4) 104 105 #endif /* !_MACHINE__LIMITS_H_ */ 106