LLVM API Documentation
00001 /* include/llvm/Support/DataTypes.h. Generated by configure. */ 00002 //===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===// 00003 // 00004 // The LLVM Compiler Infrastructure 00005 // 00006 // This file was developed by the LLVM research group and is distributed under 00007 // the University of Illinois Open Source 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 definitions: 00014 // 00015 // [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types 00016 // [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. 00017 // 00018 // No library is required when using these functinons. 00019 // 00020 //===----------------------------------------------------------------------===// 00021 00022 #ifndef SUPPORT_DATATYPES_H 00023 #define SUPPORT_DATATYPES_H 00024 00025 #include "llvm/Config/config.h" 00026 00027 #define HAVE_SYS_TYPES_H 1 00028 #define HAVE_INTTYPES_H 1 00029 #define HAVE_STDINT_H 1 00030 00031 #ifndef _MSC_VER 00032 00033 // Note that this header's correct operation depends on __STDC_LIMIT_MACROS 00034 // being defined. We would define it here, but in order to prevent Bad Things 00035 // happening when system headers or C++ STL headers include stdint.h before 00036 // we define it here, we define it on the g++ command line (in Makefile.rules). 00037 #if !defined(__STDC_LIMIT_MACROS) 00038 # error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 00039 #endif 00040 00041 // Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. 00042 #ifdef HAVE_SYS_TYPES_H 00043 #include <sys/types.h> 00044 #endif 00045 00046 #ifdef HAVE_INTTYPES_H 00047 #include <inttypes.h> 00048 #endif 00049 00050 #ifdef HAVE_STDINT_H 00051 #include <stdint.h> 00052 #endif 00053 00054 #ifdef _AIX 00055 #include "llvm/Support/AIXDataTypesFix.h" 00056 #endif 00057 00058 // Handle incorrect definition of uint64_t as u_int64_t 00059 #ifndef HAVE_UINT64_T 00060 #ifdef HAVE_U_INT64_T 00061 typedef u_int64_t uint64_t; 00062 #else 00063 # error "Don't have a definition for uint64_t on this platform" 00064 #endif 00065 #endif 00066 00067 #else /* _MSC_VER */ 00068 // Visual C++ doesn't provide standard integer headers, but it does provide 00069 // built-in data types. 00070 typedef __int64 int64_t; 00071 typedef unsigned __int64 uint64_t; 00072 typedef signed int int32_t; 00073 typedef unsigned int uint32_t; 00074 typedef signed int ssize_t; 00075 #define INT8_MAX 127 00076 #define INT8_MIN -128 00077 #define UINT8_MAX 255 00078 #define INT16_MAX 32767 00079 #define INT16_MIN -32768 00080 #define UINT16_MAX 65535 00081 #define INT32_MAX 2147483647 00082 #define INT32_MIN -2147483648 00083 #define UINT32_MAX 4294967295U 00084 #endif /* _MSC_VER */ 00085 00086 /* Set defaults for constants which we cannot find. */ 00087 #if !defined(INT64_MAX) 00088 # define INT64_MAX 9223372036854775807LL 00089 #endif 00090 #if !defined(INT64_MIN) 00091 # define INT64_MIN ((-INT64_MAX)-1) 00092 #endif 00093 #if !defined(UINT64_MAX) 00094 # define UINT64_MAX 0xffffffffffffffffULL 00095 #endif 00096 00097 #endif /* SUPPORT_DATATYPES_H */