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