VirtualBox

source: vbox/trunk/include/iprt/stdint.h@ 95897

Last change on this file since 95897 was 94546, checked in by vboxsync, 3 years ago

include/iprt/stdint.h: Supply [u]int_fast[xx]_t and [u]int_least[xx]_t types for SoftFloat ring-0 useage. bugref:9898
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File size: 10.9 KB
Line 
1/** @file
2 * IPRT - stdint.h wrapper (for backlevel compilers like MSC).
3 */
4
5/*
6 * Copyright (C) 2009-2022 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef IPRT_INCLUDED_stdint_h
27#define IPRT_INCLUDED_stdint_h
28#ifndef RT_WITHOUT_PRAGMA_ONCE
29# pragma once
30#endif
31
32#include <iprt/cdefs.h>
33
34
35/*
36 * Use the stdint.h on systems that have one.
37 */
38#if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \
39 && !(defined(RT_OS_FREEBSD) && defined(_KERNEL)) \
40 && !(defined(RT_OS_NETBSD) && defined(_KERNEL)) \
41 && RT_MSC_PREREQ_EX(RT_MSC_VER_VS2010, 1 /*non-msc*/) \
42 && !defined(__IBMC__) \
43 && !defined(__IBMCPP__) \
44 && !defined(IPRT_NO_CRT) \
45 && !defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \
46 && !defined(DOXYGEN_RUNNING)
47
48# ifndef __STDC_CONSTANT_MACROS
49# define __STDC_CONSTANT_MACROS
50# endif
51# ifndef __STDC_LIMIT_MACROS
52# define __STDC_LIMIT_MACROS
53# endif
54# ifdef _MSC_VER
55# pragma warning(push)
56# pragma warning(disable:4668)
57# endif
58# include <stdint.h>
59# ifdef _MSC_VER
60# pragma warning(pop)
61# endif
62
63# if defined(RT_OS_DARWIN) && defined(KERNEL) && defined(RT_ARCH_AMD64)
64 /*
65 * Kludge to fix the incorrect 32-bit constant macros in
66 * Kernel.framework/Headers/stdin.h. uint32_t and int32_t are
67 * int not long as these macros use, which is significant when
68 * targeting AMD64. (10a222)
69 */
70# undef INT32_C
71# define INT32_C(Value) (Value)
72# undef UINT32_C
73# define UINT32_C(Value) (Value ## U)
74# endif /* 64-bit darwin kludge. */
75
76#elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
77
78# ifndef __STDC_CONSTANT_MACROS
79# define __STDC_CONSTANT_MACROS
80# endif
81# ifndef __STDC_LIMIT_MACROS
82# define __STDC_LIMIT_MACROS
83# endif
84# include <sys/stdint.h>
85
86#elif defined(RT_OS_NETBSD) && defined(_KERNEL)
87
88# ifndef __STDC_CONSTANT_MACROS
89# define __STDC_CONSTANT_MACROS
90# endif
91# ifndef __STDC_LIMIT_MACROS
92# define __STDC_LIMIT_MACROS
93# endif
94# include <sys/stdint.h>
95
96#else /* No system stdint.h */
97
98/*
99 * Define the types we use.
100 * The linux kernel defines all these in linux/types.h, so skip it.
101 */
102# if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \
103 || defined(IPRT_NO_CRT) \
104 || defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \
105 || defined(DOXGEN_RUNNING)
106
107 /* Simplify the [u]int64_t type detection mess. */
108# undef IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
109# ifdef __IBMCPP__
110# if __IBMCPP__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__))
111# define IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
112# endif
113# endif
114# ifdef __IBMC__
115# if __IBMC__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__))
116# define IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
117# endif
118# endif
119
120 /* x-bit types */
121# if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) \
122 || defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64) \
123 || defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64)
124# if !defined(_INT8_T_DECLARED) && !defined(_INT8_T)
125typedef signed char int8_t;
126# endif
127# if !defined(_UINT8_T_DECLARED) && !defined(_UINT8_T)
128typedef unsigned char uint8_t;
129# endif
130# if !defined(_INT16_T_DECLARED) && !defined(_INT16_T)
131typedef signed short int16_t;
132# endif
133# if !defined(_UINT16_T_DECLARED) && !defined(_UINT16_T)
134typedef unsigned short uint16_t;
135# endif
136# if !defined(_INT32_T_DECLARED) && !defined(_INT32_T)
137# if ARCH_BITS != 16
138typedef signed int int32_t;
139# else
140typedef signed long int32_t;
141# endif
142# endif
143# if !defined(_UINT32_T_DECLARED) && !defined(_UINT32_T)
144# if ARCH_BITS != 16
145typedef unsigned int uint32_t;
146# else
147typedef unsigned long uint32_t;
148# endif
149# endif
150# if defined(_MSC_VER)
151# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
152typedef signed _int64 int64_t;
153# endif
154# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
155typedef unsigned _int64 uint64_t;
156# endif
157# elif defined(__WATCOMC__)
158# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
159typedef signed __int64 int64_t;
160# endif
161# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
162typedef unsigned __int64 uint64_t;
163# endif
164# elif defined(IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES)
165# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
166typedef struct { uint32_t lo; int32_t hi; } int64_t;
167# endif
168# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
169typedef struct { uint32_t lo; uint32_t hi; } uint64_t;
170# endif
171# else /* Use long long for 64-bit types */
172# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
173typedef signed long long int64_t;
174# endif
175# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
176typedef unsigned long long uint64_t;
177# endif
178# endif
179
180 /* max integer types */
181# if !defined(_INTMAX_T_DECLARED) && !defined(_INTMAX_T)
182typedef int64_t intmax_t;
183# endif
184# if !defined(_UINTMAX_T_DECLARED) && !defined(_UINTMAX_T)
185typedef uint64_t uintmax_t;
186# endif
187
188 /* smallest minimum-width integer types - assumes to be the same as above! */
189typedef int8_t int_least8_t;
190typedef uint8_t uint_least8_t;
191# define INT_LEAST8_MIN INT8_MIN
192# define INT_LEAST8_MAX INT8_MAX
193# define UINT_LEAST8_MAX UINT8_MAX
194typedef int16_t int_least16_t;
195typedef uint16_t uint_least16_t;
196# define INT_LEAST16_MIN INT16_MIN
197# define INT_LEAST16_MAX INT16_MAX
198# define UINT_LEAST16_MAX UINT16_MAX
199typedef int32_t int_least32_t;
200typedef uint32_t uint_least32_t;
201# define INT_LEAST32_MIN INT32_MIN
202# define INT_LEAST32_MAX INT32_MAX
203# define UINT_LEAST32_MAX UINT32_MAX
204typedef int64_t int_least64_t;
205typedef uint64_t uint_least64_t;
206# define INT_LEAST64_MIN INT64_MIN
207# define INT_LEAST64_MAX INT64_MAX
208# define UINT_LEAST64_MAX UINT64_MAX
209
210 /* fastest minimum-width integer types */
211typedef signed char int_fast8_t;
212typedef unsigned char uint_fast8_t;
213# define INT_FAST8_MIN INT8_MIN
214# define INT_FAST8_MAX INT8_MAX
215# define UINT_FAST8_MAX UINT8_MAX
216typedef signed int int_fast16_t;
217typedef unsigned int uint_fast16_t;
218# if ARCH_BITS == 16
219# define INT_FAST16_MIN INT16_MIN
220# define INT_FAST16_MAX INT16_MAX
221# define UINT_FAST16_MAX UINT16_MAX
222# else
223# define INT_FAST16_MIN INT32_MIN
224# define INT_FAST16_MAX INT32_MAX
225# define UINT_FAST16_MAX UINT32_MAX
226# endif
227typedef int32_t int_fast32_t;
228typedef uint32_t uint_fast32_t;
229# define INT_FAST32_MIN INT32_MIN
230# define INT_FAST32_MAX INT32_MAX
231# define UINT_FAST32_MAX UINT32_MAX
232typedef int64_t int_fast64_t;
233typedef uint64_t uint_fast64_t;
234# define INT_FAST64_MIN INT64_MIN
235# define INT_FAST64_MAX INT64_MAX
236# define UINT_FAST64_MAX UINT64_MAX
237
238# else
239# error "PORTME: Add architecture. Don't forget to check the [U]INTx_C() and [U]INTMAX_MIN/MAX macros."
240# endif
241
242# endif /* !linux kernel or stuff */
243
244 /* pointer <-> integer types */
245# if (!defined(_MSC_VER) && !defined(__WATCOMC__)) || defined(DOXYGEN_RUNNING)
246# if ARCH_BITS == 32 \
247 || defined(RT_OS_LINUX) \
248 || defined(RT_OS_FREEBSD)
249# if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T) && !defined(_INTPTR_T_DEFINED)
250typedef signed long intptr_t;
251# endif
252# if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T) && !defined(_UINTPTR_T_DEFINED)
253typedef unsigned long uintptr_t;
254# endif
255# else
256# if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T) && !defined(_INTPTR_T_DEFINED)
257typedef int64_t intptr_t;
258# endif
259# if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T) && !defined(_UINTPTR_T_DEFINED)
260typedef uint64_t uintptr_t;
261# endif
262# endif
263# endif /* !_MSC_VER */
264
265#endif /* no system stdint.h */
266
267
268/*
269 * Make sure the [U]INTx_C(c) macros are present.
270 * For In C++ source the system stdint.h may have skipped these if it was
271 * included before we managed to define __STDC_CONSTANT_MACROS. (Kludge alert!)
272 */
273#if !defined(INT8_C) \
274 || !defined(INT16_C) \
275 || !defined(INT32_C) \
276 || !defined(INT64_C) \
277 || !defined(INTMAX_C) \
278 || !defined(UINT8_C) \
279 || !defined(UINT16_C) \
280 || !defined(UINT32_C) \
281 || !defined(UINT64_C) \
282 || !defined(UINTMAX_C)
283# define INT8_C(Value) (Value)
284# define INT16_C(Value) (Value)
285# define UINT8_C(Value) (Value)
286# define UINT16_C(Value) (Value)
287# if ARCH_BITS != 16
288# define INT32_C(Value) (Value)
289# define UINT32_C(Value) (Value ## U)
290# define INT64_C(Value) (Value ## LL)
291# define UINT64_C(Value) (Value ## ULL)
292# else
293# define INT32_C(Value) (Value ## L)
294# define UINT32_C(Value) (Value ## UL)
295# define INT64_C(Value) (Value ## LL)
296# define UINT64_C(Value) (Value ## ULL)
297# endif
298# define INTMAX_C(Value) INT64_C(Value)
299# define UINTMAX_C(Value) UINT64_C(Value)
300#endif
301
302
303/*
304 * Make sure the INTx_MIN and [U]INTx_MAX macros are present.
305 * For In C++ source the system stdint.h may have skipped these if it was
306 * included before we managed to define __STDC_LIMIT_MACROS. (Kludge alert!)
307 */
308#if !defined(INT8_MIN) \
309 || !defined(INT16_MIN) \
310 || !defined(INT32_MIN) \
311 || !defined(INT64_MIN) \
312 || !defined(INT8_MAX) \
313 || !defined(INT16_MAX) \
314 || !defined(INT32_MAX) \
315 || !defined(INT64_MAX) \
316 || !defined(UINT8_MAX) \
317 || !defined(UINT16_MAX) \
318 || !defined(UINT32_MAX) \
319 || !defined(UINT64_MAX)
320# define INT8_MIN (INT8_C(-0x7f) - 1)
321# define INT16_MIN (INT16_C(-0x7fff) - 1)
322# define INT32_MIN (INT32_C(-0x7fffffff) - 1)
323# define INT64_MIN (INT64_C(-0x7fffffffffffffff) - 1)
324# define INT8_MAX INT8_C(0x7f)
325# define INT16_MAX INT16_C(0x7fff)
326# define INT32_MAX INT32_C(0x7fffffff)
327# define INT64_MAX INT64_C(0x7fffffffffffffff)
328# define UINT8_MAX UINT8_C(0xff)
329# define UINT16_MAX UINT16_C(0xffff)
330# define UINT32_MAX UINT32_C(0xffffffff)
331# define UINT64_MAX UINT64_C(0xffffffffffffffff)
332
333# define INTMAX_MIN INT64_MIN
334# define INTMAX_MAX INT64_MAX
335# define UINTMAX_MAX UINT64_MAX
336#endif
337
338#endif /* !IPRT_INCLUDED_stdint_h */
339
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