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_INTTYPES_H ${HAVE_INTTYPES_H} 30#cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H} 31#cmakedefine HAVE_UINT64_T ${HAVE_UINT64_T} 32#cmakedefine HAVE_U_INT64_T ${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#ifdef HAVE_STDINT_H 83#include <stdint.h> 84#endif 85#include <stdlib.h> 86#include <stddef.h> 87#include <sys/types.h> 88#ifdef __cplusplus 89#include <cmath> 90#else 91#include <math.h> 92#endif 93typedef __int64 int64_t; 94typedef unsigned __int64 uint64_t; 95typedef signed int int32_t; 96typedef unsigned int uint32_t; 97typedef short int16_t; 98typedef unsigned short uint16_t; 99typedef signed char int8_t; 100typedef unsigned char uint8_t; 101#if defined(_WIN64) 102 typedef signed __int64 ssize_t; 103#else 104 typedef signed int ssize_t; 105#endif 106#ifndef INT8_MAX 107# define INT8_MAX 127 108#endif 109#ifndef INT8_MIN 110# define INT8_MIN -128 111#endif 112#ifndef UINT8_MAX 113# define UINT8_MAX 255 114#endif 115#ifndef INT16_MAX 116# define INT16_MAX 32767 117#endif 118#ifndef INT16_MIN 119# define INT16_MIN -32768 120#endif 121#ifndef UINT16_MAX 122# define UINT16_MAX 65535 123#endif 124#ifndef INT32_MAX 125# define INT32_MAX 2147483647 126#endif 127#ifndef INT32_MIN 128/* MSC treats -2147483648 as -(2147483648U). */ 129# define INT32_MIN (-INT32_MAX - 1) 130#endif 131#ifndef UINT32_MAX 132# define UINT32_MAX 4294967295U 133#endif 134/* Certain compatibility updates to VC++ introduce the `cstdint' 135 * header, which defines the INT*_C macros. On default installs they 136 * are absent. */ 137#ifndef INT8_C 138# define INT8_C(C) C##i8 139#endif 140#ifndef UINT8_C 141# define UINT8_C(C) C##ui8 142#endif 143#ifndef INT16_C 144# define INT16_C(C) C##i16 145#endif 146#ifndef UINT16_C 147# define UINT16_C(C) C##ui16 148#endif 149#ifndef INT32_C 150# define INT32_C(C) C##i32 151#endif 152#ifndef UINT32_C 153# define UINT32_C(C) C##ui32 154#endif 155#ifndef INT64_C 156# define INT64_C(C) C##i64 157#endif 158#ifndef UINT64_C 159# define UINT64_C(C) C##ui64 160#endif 161 162#ifndef PRId64 163# define PRId64 "I64d" 164#endif 165#ifndef PRIi64 166# define PRIi64 "I64i" 167#endif 168#ifndef PRIo64 169# define PRIo64 "I64o" 170#endif 171#ifndef PRIu64 172# define PRIu64 "I64u" 173#endif 174#ifndef PRIx64 175# define PRIx64 "I64x" 176#endif 177#ifndef PRIX64 178# define PRIX64 "I64X" 179#endif 180 181#endif /* _MSC_VER */ 182 183/* Set defaults for constants which we cannot find. */ 184#if !defined(INT64_MAX) 185# define INT64_MAX 9223372036854775807LL 186#endif 187#if !defined(INT64_MIN) 188# define INT64_MIN ((-INT64_MAX)-1) 189#endif 190#if !defined(UINT64_MAX) 191# define UINT64_MAX 0xffffffffffffffffULL 192#endif 193 194#if __GNUC__ > 3 195#define END_WITH_NULL __attribute__((sentinel)) 196#else 197#define END_WITH_NULL 198#endif 199 200#ifndef HUGE_VALF 201#define HUGE_VALF (float)HUGE_VAL 202#endif 203 204#endif /* SUPPORT_DATATYPES_H */ 205