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_SYS_TYPES_H 1 00031 #define HAVE_INTTYPES_H 1 00032 #define HAVE_STDINT_H 1 00033 #define HAVE_UINT64_T 1 00034 /* #undef HAVE_U_INT64_T */ 00035 00036 #ifdef __cplusplus 00037 #include <cmath> 00038 #else 00039 #include <math.h> 00040 #endif 00041 00042 #ifndef _MSC_VER 00043 00044 /* Note that this header's correct operation depends on __STDC_LIMIT_MACROS 00045 being defined. We would define it here, but in order to prevent Bad Things 00046 happening when system headers or C++ STL headers include stdint.h before we 00047 define it here, we define it on the g++ command line (in Makefile.rules). */ 00048 #if !defined(__STDC_LIMIT_MACROS) 00049 # error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 00050 #endif 00051 00052 #if !defined(__STDC_CONSTANT_MACROS) 00053 # error "Must #define __STDC_CONSTANT_MACROS before " \ 00054 "#including Support/DataTypes.h" 00055 #endif 00056 00057 /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 00058 #ifdef HAVE_SYS_TYPES_H 00059 #include <sys/types.h> 00060 #endif 00061 00062 #ifdef HAVE_INTTYPES_H 00063 #include <inttypes.h> 00064 #endif 00065 00066 #ifdef HAVE_STDINT_H 00067 #include <stdint.h> 00068 #endif 00069 00070 #ifdef _AIX 00071 #include "llvm/Support/AIXDataTypesFix.h" 00072 #endif 00073 00074 /* Handle incorrect definition of uint64_t as u_int64_t */ 00075 #ifndef HAVE_UINT64_T 00076 #ifdef HAVE_U_INT64_T 00077 typedef u_int64_t uint64_t; 00078 #else 00079 # error "Don't have a definition for uint64_t on this platform" 00080 #endif 00081 #endif 00082 00083 #else /* _MSC_VER */ 00084 /* Visual C++ doesn't provide standard integer headers, but it does provide 00085 built-in data types. */ 00086 #include <stdlib.h> 00087 #include <stddef.h> 00088 #include <sys/types.h> 00089 #ifdef __cplusplus 00090 #include <cmath> 00091 #else 00092 #include <math.h> 00093 #endif 00094 typedef __int64 int64_t; 00095 typedef unsigned __int64 uint64_t; 00096 typedef signed int int32_t; 00097 typedef unsigned int uint32_t; 00098 typedef short int16_t; 00099 typedef unsigned short uint16_t; 00100 typedef signed char int8_t; 00101 typedef unsigned char uint8_t; 00102 typedef signed int ssize_t; 00103 #ifndef INT8_MAX 00104 # define INT8_MAX 127 00105 #endif 00106 #ifndef INT8_MIN 00107 # define INT8_MIN -128 00108 #endif 00109 #ifndef UINT8_MAX 00110 # define UINT8_MAX 255 00111 #endif 00112 #ifndef INT16_MAX 00113 # define INT16_MAX 32767 00114 #endif 00115 #ifndef INT16_MIN 00116 # define INT16_MIN -32768 00117 #endif 00118 #ifndef UINT16_MAX 00119 # define UINT16_MAX 65535 00120 #endif 00121 #ifndef INT32_MAX 00122 # define INT32_MAX 2147483647 00123 #endif 00124 #ifndef INT32_MIN 00125 /* MSC treats -2147483648 as -(2147483648U). */ 00126 # define INT32_MIN (-INT32_MAX - 1) 00127 #endif 00128 #ifndef UINT32_MAX 00129 # define UINT32_MAX 4294967295U 00130 #endif 00131 /* Certain compatibility updates to VC++ introduce the `cstdint' 00132 * header, which defines the INT*_C macros. On default installs they 00133 * are absent. */ 00134 #ifndef INT8_C 00135 # define INT8_C(C) C##i8 00136 #endif 00137 #ifndef UINT8_C 00138 # define UINT8_C(C) C##ui8 00139 #endif 00140 #ifndef INT16_C 00141 # define INT16_C(C) C##i16 00142 #endif 00143 #ifndef UINT16_C 00144 # define UINT16_C(C) C##ui16 00145 #endif 00146 #ifndef INT32_C 00147 # define INT32_C(C) C##i32 00148 #endif 00149 #ifndef UINT32_C 00150 # define UINT32_C(C) C##ui32 00151 #endif 00152 #ifndef INT64_C 00153 # define INT64_C(C) C##i64 00154 #endif 00155 #ifndef UINT64_C 00156 # define UINT64_C(C) C##ui64 00157 #endif 00158 00159 #ifndef PRId64 00160 # define PRId64 "I64d" 00161 #endif 00162 #ifndef PRIi64 00163 # define PRIi64 "I64i" 00164 #endif 00165 #ifndef PRIo64 00166 # define PRIo64 "I64o" 00167 #endif 00168 #ifndef PRIu64 00169 # define PRIu64 "I64u" 00170 #endif 00171 #ifndef PRIx64 00172 # define PRIx64 "I64x" 00173 #endif 00174 #ifndef PRIX64 00175 # define PRIX64 "I64X" 00176 #endif 00177 00178 #endif /* _MSC_VER */ 00179 00180 /* Set defaults for constants which we cannot find. */ 00181 #if !defined(INT64_MAX) 00182 # define INT64_MAX 9223372036854775807LL 00183 #endif 00184 #if !defined(INT64_MIN) 00185 # define INT64_MIN ((-INT64_MAX)-1) 00186 #endif 00187 #if !defined(UINT64_MAX) 00188 # define UINT64_MAX 0xffffffffffffffffULL 00189 #endif 00190 00191 #if __GNUC__ > 3 00192 #define END_WITH_NULL __attribute__((sentinel)) 00193 #else 00194 #define END_WITH_NULL 00195 #endif 00196 00197 #ifndef HUGE_VALF 00198 #define HUGE_VALF (float)HUGE_VAL 00199 #endif 00200 00201 #endif /* SUPPORT_DATATYPES_H */