1/*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\ 2|* *| 3|* The LLVM Compiler Infrastructure *| 4|* *| 5|* This file is distributed under the University of Illinois Open Source *| 6|* License. See LICENSE.TXT for details. *| 7|* *| 8|*===----------------------------------------------------------------------===*| 9|* *| 10|* This file contains definitions to figure out the size of _HOST_ data types.*| 11|* This file is important because different host OS's define different macros,*| 12|* which makes portability tough. This file exports the following *| 13|* definitions: *| 14|* *| 15|* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*| 16|* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *| 17|* *| 18|* No library is required when using these functions. *| 19|* *| 20|*===----------------------------------------------------------------------===*/ 21 22/* Please leave this file C-compatible. */ 23 24/* Please keep this file in sync with DataTypes.h.in */ 25 26#ifndef SUPPORT_DATATYPES_H 27#define SUPPORT_DATATYPES_H 28 29#cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H} 30#cmakedefine HAVE_INTTYPES_H ${HAVE_INTTYPES_H} 31#cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H} 32#cmakedefine HAVE_UINT64_T ${HAVE_UINT64_T} 33#cmakedefine HAVE_U_INT64_T ${HAVE_U_INT64_T} 34 35#ifdef __cplusplus 36#include <cmath> 37#else 38#include <math.h> 39#endif 40 41#ifndef _MSC_VER 42 43/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS 44 being defined. We would define it here, but in order to prevent Bad Things 45 happening when system headers or C++ STL headers include stdint.h before we 46 define it here, we define it on the g++ command line (in Makefile.rules). */ 47#if !defined(__STDC_LIMIT_MACROS) 48# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 49#endif 50 51#if !defined(__STDC_CONSTANT_MACROS) 52# error "Must #define __STDC_CONSTANT_MACROS before " \ 53 "#including Support/DataTypes.h" 54#endif 55 56/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 57#ifdef HAVE_SYS_TYPES_H 58#include <sys/types.h> 59#endif 60 61#ifdef HAVE_INTTYPES_H 62#include <inttypes.h> 63#endif 64 65#ifdef HAVE_STDINT_H 66#include <stdint.h> 67#endif 68 69#ifdef _AIX 70#include "llvm/Support/AIXDataTypesFix.h" 71#endif 72 73/* Handle incorrect definition of uint64_t as u_int64_t */ 74#ifndef HAVE_UINT64_T 75#ifdef HAVE_U_INT64_T 76typedef u_int64_t uint64_t; 77#else 78# error "Don't have a definition for uint64_t on this platform" 79#endif 80#endif 81 82#ifdef _OpenBSD_ 83#define INT8_MAX 127 84#define INT8_MIN -128 85#define UINT8_MAX 255 86#define INT16_MAX 32767 87#define INT16_MIN -32768 88#define UINT16_MAX 65535 89#define INT32_MAX 2147483647 90#define INT32_MIN -2147483648 91#define UINT32_MAX 4294967295U 92#endif 93 94#else /* _MSC_VER */ 95/* Visual C++ doesn't provide standard integer headers, but it does provide 96 built-in data types. */ 97#include <stdlib.h> 98#include <stddef.h> 99#include <sys/types.h> 100#ifdef __cplusplus 101#include <cmath> 102#else 103#include <math.h> 104#endif 105typedef __int64 int64_t; 106typedef unsigned __int64 uint64_t; 107typedef signed int int32_t; 108typedef unsigned int uint32_t; 109typedef short int16_t; 110typedef unsigned short uint16_t; 111typedef signed char int8_t; 112typedef unsigned char uint8_t; 113typedef signed int ssize_t; 114#ifndef INT8_MAX 115# define INT8_MAX 127 116#endif 117#ifndef INT8_MIN 118# define INT8_MIN -128 119#endif 120#ifndef UINT8_MAX 121# define UINT8_MAX 255 122#endif 123#ifndef INT16_MAX 124# define INT16_MAX 32767 125#endif 126#ifndef INT16_MIN 127# define INT16_MIN -32768 128#endif 129#ifndef UINT16_MAX 130# define UINT16_MAX 65535 131#endif 132#ifndef INT32_MAX 133# define INT32_MAX 2147483647 134#endif 135#ifndef INT32_MIN 136/* MSC treats -2147483648 as -(2147483648U). */ 137# define INT32_MIN (-INT32_MAX - 1) 138#endif 139#ifndef UINT32_MAX 140# define UINT32_MAX 4294967295U 141#endif 142/* Certain compatibility updates to VC++ introduce the `cstdint' 143 * header, which defines the INT*_C macros. On default installs they 144 * are absent. */ 145#ifndef INT8_C 146# define INT8_C(C) C##i8 147#endif 148#ifndef UINT8_C 149# define UINT8_C(C) C##ui8 150#endif 151#ifndef INT16_C 152# define INT16_C(C) C##i16 153#endif 154#ifndef UINT16_C 155# define UINT16_C(C) C##ui16 156#endif 157#ifndef INT32_C 158# define INT32_C(C) C##i32 159#endif 160#ifndef UINT32_C 161# define UINT32_C(C) C##ui32 162#endif 163#ifndef INT64_C 164# define INT64_C(C) C##i64 165#endif 166#ifndef UINT64_C 167# define UINT64_C(C) C##ui64 168#endif 169 170#ifndef PRIx64 171# define PRIx64 "I64x" 172#endif 173 174#endif /* _MSC_VER */ 175 176/* Set defaults for constants which we cannot find. */ 177#if !defined(INT64_MAX) 178# define INT64_MAX 9223372036854775807LL 179#endif 180#if !defined(INT64_MIN) 181# define INT64_MIN ((-INT64_MAX)-1) 182#endif 183#if !defined(UINT64_MAX) 184# define UINT64_MAX 0xffffffffffffffffULL 185#endif 186 187#if __GNUC__ > 3 188#define END_WITH_NULL __attribute__((sentinel)) 189#else 190#define END_WITH_NULL 191#endif 192 193#ifndef HUGE_VALF 194#define HUGE_VALF (float)HUGE_VAL 195#endif 196 197#endif /* SUPPORT_DATATYPES_H */ 198