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.cmake */ 25 26#ifndef SUPPORT_DATATYPES_H 27#define SUPPORT_DATATYPES_H 28 29#undef HAVE_INTTYPES_H 30#undef HAVE_STDINT_H 31#undef HAVE_UINT64_T 32#undef HAVE_U_INT64_T 33 34#ifdef __cplusplus 35#include <cmath> 36#else 37#include <math.h> 38#endif 39 40#ifndef _MSC_VER 41 42/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS 43 being defined. We would define it here, but in order to prevent Bad Things 44 happening when system headers or C++ STL headers include stdint.h before we 45 define it here, we define it on the g++ command line (in Makefile.rules). */ 46#if !defined(__STDC_LIMIT_MACROS) 47# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 48#endif 49 50#if !defined(__STDC_CONSTANT_MACROS) 51# error "Must #define __STDC_CONSTANT_MACROS before " \ 52 "#including Support/DataTypes.h" 53#endif 54 55/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 56#include <sys/types.h> 57 58#ifdef HAVE_INTTYPES_H 59#include <inttypes.h> 60#endif 61 62#ifdef HAVE_STDINT_H 63#include <stdint.h> 64#endif 65 66#ifdef _AIX 67#include "llvm/Support/AIXDataTypesFix.h" 68#endif 69 70/* Handle incorrect definition of uint64_t as u_int64_t */ 71#ifndef HAVE_UINT64_T 72#ifdef HAVE_U_INT64_T 73typedef u_int64_t uint64_t; 74#else 75# error "Don't have a definition for uint64_t on this platform" 76#endif 77#endif 78 79#else /* _MSC_VER */ 80/* Visual C++ doesn't provide standard integer headers, but it does provide 81 built-in data types. */ 82#include <stdlib.h> 83#include <stddef.h> 84#include <sys/types.h> 85#ifdef __cplusplus 86#include <cmath> 87#else 88#include <math.h> 89#endif 90typedef __int64 int64_t; 91typedef unsigned __int64 uint64_t; 92typedef signed int int32_t; 93typedef unsigned int uint32_t; 94typedef short int16_t; 95typedef unsigned short uint16_t; 96typedef signed char int8_t; 97typedef unsigned char uint8_t; 98#if defined(_WIN64) 99 typedef signed __int64 ssize_t; 100#else 101 typedef signed int ssize_t; 102#endif 103 104#ifndef INT8_MAX 105# define INT8_MAX 127 106#endif 107#ifndef INT8_MIN 108# define INT8_MIN -128 109#endif 110#ifndef UINT8_MAX 111# define UINT8_MAX 255 112#endif 113#ifndef INT16_MAX 114# define INT16_MAX 32767 115#endif 116#ifndef INT16_MIN 117# define INT16_MIN -32768 118#endif 119#ifndef UINT16_MAX 120# define UINT16_MAX 65535 121#endif 122#ifndef INT32_MAX 123# define INT32_MAX 2147483647 124#endif 125#ifndef INT32_MIN 126/* MSC treats -2147483648 as -(2147483648U). */ 127# define INT32_MIN (-INT32_MAX - 1) 128#endif 129#ifndef UINT32_MAX 130# define UINT32_MAX 4294967295U 131#endif 132/* Certain compatibility updates to VC++ introduce the `cstdint' 133 * header, which defines the INT*_C macros. On default installs they 134 * are absent. */ 135#ifndef INT8_C 136# define INT8_C(C) C##i8 137#endif 138#ifndef UINT8_C 139# define UINT8_C(C) C##ui8 140#endif 141#ifndef INT16_C 142# define INT16_C(C) C##i16 143#endif 144#ifndef UINT16_C 145# define UINT16_C(C) C##ui16 146#endif 147#ifndef INT32_C 148# define INT32_C(C) C##i32 149#endif 150#ifndef UINT32_C 151# define UINT32_C(C) C##ui32 152#endif 153#ifndef INT64_C 154# define INT64_C(C) C##i64 155#endif 156#ifndef UINT64_C 157# define UINT64_C(C) C##ui64 158#endif 159 160#ifndef PRId64 161# define PRId64 "I64d" 162#endif 163#ifndef PRIi64 164# define PRIi64 "I64i" 165#endif 166#ifndef PRIo64 167# define PRIo64 "I64o" 168#endif 169#ifndef PRIu64 170# define PRIu64 "I64u" 171#endif 172#ifndef PRIx64 173# define PRIx64 "I64x" 174#endif 175#ifndef PRIX64 176# define PRIX64 "I64X" 177#endif 178 179#endif /* _MSC_VER */ 180 181/* Set defaults for constants which we cannot find. */ 182#if !defined(INT64_MAX) 183# define INT64_MAX 9223372036854775807LL 184#endif 185#if !defined(INT64_MIN) 186# define INT64_MIN ((-INT64_MAX)-1) 187#endif 188#if !defined(UINT64_MAX) 189# define UINT64_MAX 0xffffffffffffffffULL 190#endif 191 192#if __GNUC__ > 3 193#define END_WITH_NULL __attribute__((sentinel)) 194#else 195#define END_WITH_NULL 196#endif 197 198#ifndef HUGE_VALF 199#define HUGE_VALF (float)HUGE_VAL 200#endif 201 202#endif /* SUPPORT_DATATYPES_H */ 203