LLVM API Documentation
00001 /* include/llvm/Support/DataTypes.h. Generated from DataTypes.h.in by configure. */ 00002 /*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\ 00003 |* *| 00004 |* The LLVM Compiler Infrastructure *| 00005 |* *| 00006 |* This file is distributed under the University of Illinois Open Source *| 00007 |* License. See LICENSE.TXT for details. *| 00008 |* *| 00009 |*===----------------------------------------------------------------------===*| 00010 |* *| 00011 |* This file contains definitions to figure out the size of _HOST_ data types.*| 00012 |* This file is important because different host OS's define different macros,*| 00013 |* which makes portability tough. This file exports the following *| 00014 |* definitions: *| 00015 |* *| 00016 |* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*| 00017 |* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *| 00018 |* *| 00019 |* No library is required when using these functions. *| 00020 |* *| 00021 |*===----------------------------------------------------------------------===*/ 00022 00023 /* Please leave this file C-compatible. */ 00024 00025 /* Please keep this file in sync with DataTypes.h.cmake */ 00026 00027 #ifndef SUPPORT_DATATYPES_H 00028 #define SUPPORT_DATATYPES_H 00029 00030 #define HAVE_INTTYPES_H 1 00031 #define HAVE_STDINT_H 1 00032 #define HAVE_UINT64_T 1 00033 /* #undef HAVE_U_INT64_T */ 00034 00035 #ifdef __cplusplus 00036 #include <cmath> 00037 #else 00038 #include <math.h> 00039 #endif 00040 00041 #ifndef _MSC_VER 00042 00043 /* Note that this header's correct operation depends on __STDC_LIMIT_MACROS 00044 being defined. We would define it here, but in order to prevent Bad Things 00045 happening when system headers or C++ STL headers include stdint.h before we 00046 define it here, we define it on the g++ command line (in Makefile.rules). */ 00047 #if !defined(__STDC_LIMIT_MACROS) 00048 # error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 00049 #endif 00050 00051 #if !defined(__STDC_CONSTANT_MACROS) 00052 # error "Must #define __STDC_CONSTANT_MACROS before " \ 00053 "#including Support/DataTypes.h" 00054 #endif 00055 00056 /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 00057 #include <sys/types.h> 00058 00059 #ifdef HAVE_INTTYPES_H 00060 #include <inttypes.h> 00061 #endif 00062 00063 #ifdef HAVE_STDINT_H 00064 #include <stdint.h> 00065 #endif 00066 00067 #ifdef _AIX 00068 #include "llvm/Support/AIXDataTypesFix.h" 00069 #endif 00070 00071 /* Handle incorrect definition of uint64_t as u_int64_t */ 00072 #ifndef HAVE_UINT64_T 00073 #ifdef HAVE_U_INT64_T 00074 typedef u_int64_t uint64_t; 00075 #else 00076 # error "Don't have a definition for uint64_t on this platform" 00077 #endif 00078 #endif 00079 00080 #else /* _MSC_VER */ 00081 /* Visual C++ doesn't provide standard integer headers, but it does provide 00082 built-in data types. */ 00083 #include <stdlib.h> 00084 #include <stddef.h> 00085 #include <sys/types.h> 00086 #ifdef __cplusplus 00087 #include <cmath> 00088 #else 00089 #include <math.h> 00090 #endif 00091 typedef __int64 int64_t; 00092 typedef unsigned __int64 uint64_t; 00093 typedef signed int int32_t; 00094 typedef unsigned int uint32_t; 00095 typedef short int16_t; 00096 typedef unsigned short uint16_t; 00097 typedef signed char int8_t; 00098 typedef unsigned char uint8_t; 00099 #if defined(_WIN64) 00100 typedef signed __int64 ssize_t; 00101 #else 00102 typedef signed int ssize_t; 00103 #endif 00104 00105 #ifndef INT8_MAX 00106 # define INT8_MAX 127 00107 #endif 00108 #ifndef INT8_MIN 00109 # define INT8_MIN -128 00110 #endif 00111 #ifndef UINT8_MAX 00112 # define UINT8_MAX 255 00113 #endif 00114 #ifndef INT16_MAX 00115 # define INT16_MAX 32767 00116 #endif 00117 #ifndef INT16_MIN 00118 # define INT16_MIN -32768 00119 #endif 00120 #ifndef UINT16_MAX 00121 # define UINT16_MAX 65535 00122 #endif 00123 #ifndef INT32_MAX 00124 # define INT32_MAX 2147483647 00125 #endif 00126 #ifndef INT32_MIN 00127 /* MSC treats -2147483648 as -(2147483648U). */ 00128 # define INT32_MIN (-INT32_MAX - 1) 00129 #endif 00130 #ifndef UINT32_MAX 00131 # define UINT32_MAX 4294967295U 00132 #endif 00133 /* Certain compatibility updates to VC++ introduce the `cstdint' 00134 * header, which defines the INT*_C macros. On default installs they 00135 * are absent. */ 00136 #ifndef INT8_C 00137 # define INT8_C(C) C##i8 00138 #endif 00139 #ifndef UINT8_C 00140 # define UINT8_C(C) C##ui8 00141 #endif 00142 #ifndef INT16_C 00143 # define INT16_C(C) C##i16 00144 #endif 00145 #ifndef UINT16_C 00146 # define UINT16_C(C) C##ui16 00147 #endif 00148 #ifndef INT32_C 00149 # define INT32_C(C) C##i32 00150 #endif 00151 #ifndef UINT32_C 00152 # define UINT32_C(C) C##ui32 00153 #endif 00154 #ifndef INT64_C 00155 # define INT64_C(C) C##i64 00156 #endif 00157 #ifndef UINT64_C 00158 # define UINT64_C(C) C##ui64 00159 #endif 00160 00161 #ifndef PRId64 00162 # define PRId64 "I64d" 00163 #endif 00164 #ifndef PRIi64 00165 # define PRIi64 "I64i" 00166 #endif 00167 #ifndef PRIo64 00168 # define PRIo64 "I64o" 00169 #endif 00170 #ifndef PRIu64 00171 # define PRIu64 "I64u" 00172 #endif 00173 #ifndef PRIx64 00174 # define PRIx64 "I64x" 00175 #endif 00176 #ifndef PRIX64 00177 # define PRIX64 "I64X" 00178 #endif 00179 00180 #endif /* _MSC_VER */ 00181 00182 /* Set defaults for constants which we cannot find. */ 00183 #if !defined(INT64_MAX) 00184 # define INT64_MAX 9223372036854775807LL 00185 #endif 00186 #if !defined(INT64_MIN) 00187 # define INT64_MIN ((-INT64_MAX)-1) 00188 #endif 00189 #if !defined(UINT64_MAX) 00190 # define UINT64_MAX 0xffffffffffffffffULL 00191 #endif 00192 00193 #if __GNUC__ > 3 00194 #define END_WITH_NULL __attribute__((sentinel)) 00195 #else 00196 #define END_WITH_NULL 00197 #endif 00198 00199 #ifndef HUGE_VALF 00200 #define HUGE_VALF (float)HUGE_VAL 00201 #endif 00202 00203 #endif /* SUPPORT_DATATYPES_H */