| //===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains definitions to figure out the size of _HOST_ data types. |
| // This file is important because different host OS's define different macros, |
| // which makes portability tough. This file exports the following definitions: |
| // |
| // ENDIAN_LITTLE : is #define'd if the host is little endian |
| // int64_t : is a typedef for the signed 64 bit system type |
| // uint64_t : is a typedef for the unsigned 64 bit system type |
| // INT64_MAX : is a #define specifying the max value for int64_t's |
| // |
| // No library is required when using these functinons. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUPPORT_DATATYPES_H |
| #define SUPPORT_DATATYPES_H |
| |
| #include "Config/config.h" |
| |
| #define __STDC_LIMIT_MACROS 1 |
| |
| #ifdef HAVE_INTTYPES_H |
| #include <inttypes.h> |
| #endif |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| |
| #if (defined(ENDIAN_LITTLE) && defined(ENDIAN_BIG)) |
| #error "Cannot define both ENDIAN_LITTLE and ENDIAN_BIG!" |
| #endif |
| |
| #if (!defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)) |
| #error "include/Support/DataTypes.h could not determine endianness!" |
| #endif |
| |
| #if !defined(INT64_MAX) |
| /* We couldn't determine INT64_MAX; default it. */ |
| #define INT64_MAX 9223372036854775807LL |
| #endif |
| #if !defined(UINT64_MAX) |
| #define UINT64_MAX 0xffffffffffffffffULL |
| #endif |
| |
| #endif /* SUPPORT_DATATYPES_H */ |
