types.h@ 94676

Last change on this file since 94676 was 94676, checked in by vboxsync, 3 years ago
iprt/types.h: Added RTFLOAT80U_IS_XXXX_EX macro variants that works on component parts rather than PCRTFLOAT80U. bugref:9898
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1	/** @file
2	* IPRT - Types.
3	*/
4
5	/*
6	* Copyright (C) 2006-2022 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_types_h
27	#define IPRT_INCLUDED_types_h
28	#ifndef RT_WITHOUT_PRAGMA_ONCE
29	# pragma once
30	#endif
31
32	#include <iprt/cdefs.h>
33	#include <iprt/stdint.h>
34	#include <iprt/stdarg.h>
35
36	/*
37	* Include standard C types.
38	*/
39	#if !defined(IPRT_NO_CRT) && !defined(DOXYGEN_RUNNING)
40
41	# if defined(IN_XF86_MODULE) && !defined(NO_ANSIC)
42	/*
43	* Kludge for xfree86 modules: size_t and other types are redefined.
44	*/
45	RT_C_DECLS_BEGIN
46	# include "xf86_ansic.h"
47	# undef NULL
48	RT_C_DECLS_END
49
50	# elif defined(RT_OS_DARWIN) && defined(KERNEL)
51	/*
52	* Kludge for the darwin kernel:
53	* stddef.h is missing IIRC.
54	*/
55	# ifndef _PTRDIFF_T
56	# define _PTRDIFF_T
57	typedef __darwin_ptrdiff_t ptrdiff_t;
58	# endif
59	# include <sys/types.h>
60
61	# elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
62	# include <sys/param.h>
63	# undef PVM
64	# if __FreeBSD_version < 1200000
65	/*
66	* Kludge for the FreeBSD kernel:
67	* stddef.h and sys/types.h have slightly different offsetof definitions
68	* when compiling in kernel mode. This is just to make GCC shut up.
69	*/
70	# ifndef _STDDEF_H_
71	# undef offsetof
72	# endif
73	# include <sys/stddef.h>
74	# ifndef _SYS_TYPES_H_
75	# undef offsetof
76	# endif
77	# include <sys/types.h>
78	# ifndef offsetof
79	# error "offsetof is not defined!"
80	# endif
81	# else
82	# include <sys/stddef.h>
83	# include <sys/types.h>
84	# endif
85
86	# elif defined(RT_OS_FREEBSD) && HC_ARCH_BITS == 64 && defined(RT_ARCH_X86)
87	/*
88	* Kludge for compiling 32-bit code on a 64-bit FreeBSD:
89	* FreeBSD declares uint64_t and int64_t wrong (long unsigned and long int
90	* though they need to be long long unsigned and long long int). These
91	* defines conflict with our declaration in stdint.h. Adding the defines
92	* below omits the definitions in the system header.
93	*/
94	# include <stddef.h>
95	# define _UINT64_T_DECLARED
96	# define _INT64_T_DECLARED
97	# define _UINTPTR_T_DECLARED
98	# define _INTPTR_T_DECLARED
99	# include <sys/types.h>
100
101	# elif defined(RT_OS_NETBSD) && defined(_KERNEL)
102
103	# include <sys/types.h>
104
105	/*
106	* Kludge for NetBSD-6.x where the definition of bool in
107	* <sys/types.h> does not check for C++.
108	*/
109	# if defined(__cplusplus) && defined(bool)
110	# undef bool
111	# undef true
112	# undef false
113	# endif
114
115	/*
116	* Kludge for NetBSD-6.x where <sys/types.h> does not define
117	* ptrdiff_t for the kernel code. Note that we don't worry about
118	* redefinition in <stddef.h> since that header doesn't exist for
119	* _KERNEL code.
120	*/
121	# ifdef _BSD_PTRDIFF_T_
122	typedef _BSD_PTRDIFF_T_ ptrdiff_t;
123	# endif
124
125	# elif defined(RT_OS_LINUX) && defined(__KERNEL__)
126	/*
127	* Kludge for the linux kernel:
128	* 1. sys/types.h doesn't mix with the kernel.
129	* 2. Starting with 2.6.19, linux/types.h typedefs bool and linux/stddef.h
130	* declares false and true as enum values.
131	* 3. Starting with 2.6.24, linux/types.h typedefs uintptr_t.
132	* We work around these issues here and nowhere else.
133	*/
134	# if defined(__cplusplus)
135	typedef bool _Bool;
136	# endif
137	# define bool linux_bool
138	# define true linux_true
139	# define false linux_false
140	# define uintptr_t linux_uintptr_t
141	# include <linux/version.h>
142	# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)
143	# include <generated/autoconf.h>
144	# else
145	# ifndef AUTOCONF_INCLUDED
146	# include <linux/autoconf.h>
147	# endif
148	# endif
149	# include <linux/compiler.h>
150	# if defined(__cplusplus)
151	/*
152	* Starting with 3.3, <linux/compiler-gcc.h> appends 'notrace' (which
153	* expands to __attribute__((no_instrument_function))) to inline,
154	* __inline and __inline__. Revert that.
155	*/
156	# undef inline
157	# define inline inline
158	# undef __inline__
159	# define __inline__ __inline__
160	# undef __inline
161	# define __inline __inline
162	# endif
163	# include <linux/types.h>
164	# include <linux/stddef.h>
165	/*
166	* Starting with 3.4, <linux/stddef.h> defines NULL as '((void*)0)' which
167	* does not work for C++ code.
168	*/
169	# undef NULL
170	# undef uintptr_t
171	# ifdef __GNUC__
172	# if !RT_GNUC_PREREQ(4, 1)
173	/*
174	* <linux/compiler-gcc{3,4}.h> does
175	* #define __inline__ __inline__ __attribute__((always_inline))
176	* in some older Linux kernels. Forcing inlining will fail for some RTStrA*
177	* functions with gcc <= 4.0 due to passing variable argument lists.
178	*/
179	# undef __inline__
180	# define __inline__ __inline__
181	# endif
182	# endif
183	# undef false
184	# undef true
185	# undef bool
186
187	# elif !defined(DOXYGEN_RUNNING) && RT_MSC_PREREQ(RT_MSC_VER_VC140) && defined(RT_OS_AGNOSTIC)
188	/* Try avoid needing the UCRT just for stddef.h and sys/types.h. */
189	/** @todo refine the RT_OS_AGNOSTIC test? */
190	# include <vcruntime.h>
191
192	# else
193	# include <stddef.h>
194	# include <sys/types.h>
195	# endif
196
197
198	/* Define any types missing from sys/types.h on Windows and OS/2. */
199	# ifdef _MSC_VER
200	# undef ssize_t
201	typedef intptr_t ssize_t;
202	# endif
203	# if defined(RT_OS_OS2) && (defined(__IBMC__) \|\| defined(__IBMCPP__))
204	typedef signed long ssize_t;
205	# endif
206
207	#else /* no crt */
208	# include <iprt/nocrt/compiler/compiler.h>
209	#endif /* no crt */
210
211
212
213	/** @def NULL
214	* NULL pointer.
215	*/
216	#ifndef NULL
217	# ifdef __cplusplus
218	# define NULL 0
219	# else
220	# define NULL ((void*)0)
221	# endif
222	#endif
223
224
225
226	/** @defgroup grp_rt_types IPRT Base Types
227	* @{
228	*/
229
230	/* define wchar_t, we don't wanna include all the wcsstuff to get this. */
231	#ifdef _MSC_VER
232	# ifndef _WCHAR_T_DEFINED
233	typedef unsigned short wchar_t;
234	# define _WCHAR_T_DEFINED
235	# endif
236	#endif
237	#ifdef __GNUC__
238	/** @todo wchar_t on GNUC */
239	#endif
240
241	/*
242	* C doesn't have bool, nor does VisualAge for C++ v3.08.
243	*/
244	#if !defined(__cplusplus) \|\| (defined(__IBMCPP__) && defined(RT_OS_OS2))
245	# if defined(__GNUC__)
246	# if defined(RT_OS_LINUX) && __GNUC__ < 3
247	typedef uint8_t bool;
248	# elif defined(RT_OS_FREEBSD)
249	# ifndef __bool_true_false_are_defined
250	typedef _Bool bool;
251	# endif
252	# elif defined(RT_OS_NETBSD)
253	# if !defined(_KERNEL)
254	/*
255	* For the kernel code <stdbool.h> is not available, but bool is
256	* provided by <sys/types.h> included above.
257	*/
258	# include <stdbool.h>
259
260	/*
261	* ... but the story doesn't end here. The C standard says that
262	* <stdbool.h> defines preprocessor macro "bool" that expands to
263	* "_Bool", but adds that a program may undefine/redefine it
264	* (this is 7.16 in C99 and 7.18 in C11). We have to play this
265	* game here because X11 code uses "bool" as a struct member name
266	* - so undefine "bool" and provide it as a typedef instead. We
267	* still keep #include <stdbool.h> so that any code that might
268	* include it later doesn't mess things up.
269	*/
270	# undef bool
271	typedef _Bool bool;
272	# endif
273	# else
274	# undef bool /* see above netbsd explanation */
275	typedef _Bool bool;
276	# endif
277	# else
278	# if RT_MSC_PREREQ(RT_MSC_VER_VC120)
279	# include <stdbool.h>
280	# else
281	typedef unsigned char bool;
282	# endif
283	# endif
284	# ifndef true
285	# define true (1)
286	# endif
287	# ifndef false
288	# define false (0)
289	# endif
290	#endif
291
292
293	/**
294	* 128-bit unsigned integer.
295	*/
296	#ifdef RT_COMPILER_WITH_128BIT_INT_TYPES
297	typedef __uint128_t uint128_t;
298	#else
299	typedef struct uint128_s
300	{
301	# ifdef RT_BIG_ENDIAN
302	uint64_t Hi;
303	uint64_t Lo;
304	# else
305	uint64_t Lo;
306	uint64_t Hi;
307	# endif
308	} uint128_t;
309	#endif
310
311
312	/**
313	* 128-bit signed integer.
314	*/
315	#ifdef RT_COMPILER_WITH_128BIT_INT_TYPES
316	typedef __int128_t int128_t;
317	#else
318	typedef struct int128_s
319	{
320	# ifdef RT_BIG_ENDIAN
321	int64_t Hi;
322	uint64_t Lo;
323	# else
324	uint64_t Lo;
325	int64_t Hi;
326	# endif
327	} int128_t;
328	#endif
329
330
331	/**
332	* 16-bit unsigned integer union.
333	*/
334	typedef union RTUINT16U
335	{
336	/** natural view. */
337	uint16_t u;
338
339	/** 16-bit view. */
340	uint16_t au16[1];
341	/** 8-bit view. */
342	uint8_t au8[2];
343	/** 16-bit hi/lo view. */
344	struct
345	{
346	#ifdef RT_BIG_ENDIAN
347	uint8_t Hi;
348	uint8_t Lo;
349	#else
350	uint8_t Lo;
351	uint8_t Hi;
352	#endif
353	} s;
354	} RTUINT16U;
355	/** Pointer to a 16-bit unsigned integer union. */
356	typedef RTUINT16U RT_FAR *PRTUINT16U;
357	/** Pointer to a const 32-bit unsigned integer union. */
358	typedef const RTUINT16U RT_FAR *PCRTUINT16U;
359
360
361	/**
362	* 32-bit unsigned integer union.
363	*/
364	typedef union RTUINT32U
365	{
366	/** natural view. */
367	uint32_t u;
368	/** Hi/Low view. */
369	struct
370	{
371	#ifdef RT_BIG_ENDIAN
372	uint16_t Hi;
373	uint16_t Lo;
374	#else
375	uint16_t Lo;
376	uint16_t Hi;
377	#endif
378	} s;
379	/** Word view. */
380	struct
381	{
382	#ifdef RT_BIG_ENDIAN
383	uint16_t w1;
384	uint16_t w0;
385	#else
386	uint16_t w0;
387	uint16_t w1;
388	#endif
389	} Words;
390
391	/** 32-bit view. */
392	uint32_t au32[1];
393	/** 16-bit view. */
394	uint16_t au16[2];
395	/** 8-bit view. */
396	uint8_t au8[4];
397	} RTUINT32U;
398	/** Pointer to a 32-bit unsigned integer union. */
399	typedef RTUINT32U RT_FAR *PRTUINT32U;
400	/** Pointer to a const 32-bit unsigned integer union. */
401	typedef const RTUINT32U RT_FAR *PCRTUINT32U;
402
403
404	/**
405	* 64-bit unsigned integer union.
406	*/
407	typedef union RTUINT64U
408	{
409	/** Natural view. */
410	uint64_t u;
411	/** Hi/Low view. */
412	struct
413	{
414	#ifdef RT_BIG_ENDIAN
415	uint32_t Hi;
416	uint32_t Lo;
417	#else
418	uint32_t Lo;
419	uint32_t Hi;
420	#endif
421	} s;
422	/** Double-Word view. */
423	struct
424	{
425	#ifdef RT_BIG_ENDIAN
426	uint32_t dw1;
427	uint32_t dw0;
428	#else
429	uint32_t dw0;
430	uint32_t dw1;
431	#endif
432	} DWords;
433	/** Word view. */
434	struct
435	{
436	#ifdef RT_BIG_ENDIAN
437	uint16_t w3;
438	uint16_t w2;
439	uint16_t w1;
440	uint16_t w0;
441	#else
442	uint16_t w0;
443	uint16_t w1;
444	uint16_t w2;
445	uint16_t w3;
446	#endif
447	} Words;
448
449	/** 64-bit view. */
450	uint64_t au64[1];
451	/** 32-bit view. */
452	uint32_t au32[2];
453	/** 16-bit view. */
454	uint16_t au16[4];
455	/** 8-bit view. */
456	uint8_t au8[8];
457	} RTUINT64U;
458	/** Pointer to a 64-bit unsigned integer union. */
459	typedef RTUINT64U RT_FAR *PRTUINT64U;
460	/** Pointer to a const 64-bit unsigned integer union. */
461	typedef const RTUINT64U RT_FAR *PCRTUINT64U;
462
463
464	/**
465	* 128-bit unsigned integer union.
466	*/
467	#pragma pack(1)
468	typedef union RTUINT128U
469	{
470	/** Hi/Low view.
471	* @remarks We put this first so we can have portable initializers
472	* (RTUINT128_INIT) */
473	struct
474	{
475	#ifdef RT_BIG_ENDIAN
476	uint64_t Hi;
477	uint64_t Lo;
478	#else
479	uint64_t Lo;
480	uint64_t Hi;
481	#endif
482	} s;
483
484	/** Natural view.
485	* WARNING! This member depends on the compiler supporting 128-bit stuff. */
486	uint128_t u;
487
488	/** Quad-Word view. */
489	struct
490	{
491	#ifdef RT_BIG_ENDIAN
492	uint64_t qw1;
493	uint64_t qw0;
494	#else
495	uint64_t qw0;
496	uint64_t qw1;
497	#endif
498	} QWords;
499	/** Double-Word view. */
500	struct
501	{
502	#ifdef RT_BIG_ENDIAN
503	uint32_t dw3;
504	uint32_t dw2;
505	uint32_t dw1;
506	uint32_t dw0;
507	#else
508	uint32_t dw0;
509	uint32_t dw1;
510	uint32_t dw2;
511	uint32_t dw3;
512	#endif
513	} DWords;
514	/** Word view. */
515	struct
516	{
517	#ifdef RT_BIG_ENDIAN
518	uint16_t w7;
519	uint16_t w6;
520	uint16_t w5;
521	uint16_t w4;
522	uint16_t w3;
523	uint16_t w2;
524	uint16_t w1;
525	uint16_t w0;
526	#else
527	uint16_t w0;
528	uint16_t w1;
529	uint16_t w2;
530	uint16_t w3;
531	uint16_t w4;
532	uint16_t w5;
533	uint16_t w6;
534	uint16_t w7;
535	#endif
536	} Words;
537
538	/** 64-bit view. */
539	uint64_t au64[2];
540	/** 32-bit view. */
541	uint32_t au32[4];
542	/** 16-bit view. */
543	uint16_t au16[8];
544	/** 8-bit view. */
545	uint8_t au8[16];
546	} RTUINT128U;
547	#pragma pack()
548	/** Pointer to a 128-bit unsigned integer union. */
549	typedef RTUINT128U RT_FAR *PRTUINT128U;
550	/** Pointer to a const 128-bit unsigned integer union. */
551	typedef const RTUINT128U RT_FAR *PCRTUINT128U;
552
553	/** @def RTUINT128_INIT
554	* Portable RTUINT128U initializer. */
555	#ifdef RT_BIG_ENDIAN
556	# define RTUINT128_INIT(a_Hi, a_Lo) { { a_Hi, a_Lo } }
557	#else
558	# define RTUINT128_INIT(a_Hi, a_Lo) { { a_Lo, a_Hi } }
559	#endif
560
561	/** @def RTUINT128_INIT_C
562	* Portable RTUINT128U initializer for 64-bit constants. */
563	#ifdef RT_BIG_ENDIAN
564	# define RTUINT128_INIT_C(a_Hi, a_Lo) { { UINT64_C(a_Hi), UINT64_C(a_Lo) } }
565	#else
566	# define RTUINT128_INIT_C(a_Hi, a_Lo) { { UINT64_C(a_Lo), UINT64_C(a_Hi) } }
567	#endif
568
569
570	/**
571	* 256-bit unsigned integer union.
572	*/
573	#pragma pack(1)
574	typedef union RTUINT256U
575	{
576	/** Quad-Word view (first as it's used by RTUINT256_INIT). */
577	struct
578	{
579	#ifdef RT_BIG_ENDIAN
580	uint64_t qw3;
581	uint64_t qw2;
582	uint64_t qw1;
583	uint64_t qw0;
584	#else
585	uint64_t qw0;
586	uint64_t qw1;
587	uint64_t qw2;
588	uint64_t qw3;
589	#endif
590	} QWords;
591	/** Double-Word view. */
592	struct
593	{
594	#ifdef RT_BIG_ENDIAN
595	uint32_t dw7;
596	uint32_t dw6;
597	uint32_t dw5;
598	uint32_t dw4;
599	uint32_t dw3;
600	uint32_t dw2;
601	uint32_t dw1;
602	uint32_t dw0;
603	#else
604	uint32_t dw0;
605	uint32_t dw1;
606	uint32_t dw2;
607	uint32_t dw3;
608	uint32_t dw4;
609	uint32_t dw5;
610	uint32_t dw6;
611	uint32_t dw7;
612	#endif
613	} DWords;
614	/** Word view. */
615	struct
616	{
617	#ifdef RT_BIG_ENDIAN
618	uint16_t w15;
619	uint16_t w14;
620	uint16_t w13;
621	uint16_t w12;
622	uint16_t w11;
623	uint16_t w10;
624	uint16_t w9;
625	uint16_t w8;
626	uint16_t w7;
627	uint16_t w6;
628	uint16_t w5;
629	uint16_t w4;
630	uint16_t w3;
631	uint16_t w2;
632	uint16_t w1;
633	uint16_t w0;
634	#else
635	uint16_t w0;
636	uint16_t w1;
637	uint16_t w2;
638	uint16_t w3;
639	uint16_t w4;
640	uint16_t w5;
641	uint16_t w6;
642	uint16_t w7;
643	uint16_t w8;
644	uint16_t w9;
645	uint16_t w10;
646	uint16_t w11;
647	uint16_t w12;
648	uint16_t w13;
649	uint16_t w14;
650	uint16_t w15;
651	#endif
652	} Words;
653
654	/** Double-Quad-Word view. */
655	struct
656	{
657	#ifdef RT_BIG_ENDIAN
658	RTUINT128U dqw1;
659	RTUINT128U dqw0;
660	#else
661	RTUINT128U dqw0;
662	RTUINT128U dqw1;
663	#endif
664	} DQWords;
665
666	/** 128-bit view. */
667	RTUINT128U au128[2];
668	/** 64-bit view. */
669	uint64_t au64[4];
670	/** 32-bit view. */
671	uint32_t au32[8];
672	/** 16-bit view. */
673	uint16_t au16[16];
674	/** 8-bit view. */
675	uint8_t au8[32];
676	} RTUINT256U;
677	#pragma pack()
678	/** Pointer to a 256-bit unsigned integer union. */
679	typedef RTUINT256U RT_FAR *PRTUINT256U;
680	/** Pointer to a const 256-bit unsigned integer union. */
681	typedef const RTUINT256U RT_FAR *PCRTUINT256U;
682
683	/** @def RTUINT256_INIT
684	* Portable RTUINT256U initializer. */
685	#ifdef RT_BIG_ENDIAN
686	# define RTUINT256_INIT(a_Qw3, a_Qw2, a_Qw1, a_Qw0) { { a_Qw3, a_Qw2, a_Qw1, a_Qw0 } }
687	#else
688	# define RTUINT256_INIT(a_Qw3, a_Qw2, a_Qw1, a_Qw0) { { a_Qw0, a_Qw1, a_Qw2, a_Qw3 } }
689	#endif
690
691	/** @def RTUINT256_INIT_C
692	* Portable RTUINT256U initializer for 64-bit constants. */
693	#define RTUINT256_INIT_C(a_Qw3, a_Qw2, a_Qw1, a_Qw0) \
694	RTUINT256_INIT(UINT64_C(a_Qw3), UINT64_C(a_Qw2), UINT64_C(a_Qw1), UINT64_C(a_Qw0))
695
696
697	/**
698	* 512-bit unsigned integer union.
699	*/
700	#pragma pack(1)
701	typedef union RTUINT512U
702	{
703	/** Quad-Word view (first as it's used by RTUINT512_INIT). */
704	struct
705	{
706	#ifdef RT_BIG_ENDIAN
707	uint64_t qw7;
708	uint64_t qw6;
709	uint64_t qw5;
710	uint64_t qw4;
711	uint64_t qw3;
712	uint64_t qw2;
713	uint64_t qw1;
714	uint64_t qw0;
715	#else
716	uint64_t qw0;
717	uint64_t qw1;
718	uint64_t qw2;
719	uint64_t qw3;
720	uint64_t qw4;
721	uint64_t qw5;
722	uint64_t qw6;
723	uint64_t qw7;
724	#endif
725	} QWords;
726	/** Double-Word view. */
727	struct
728	{
729	#ifdef RT_BIG_ENDIAN
730	uint32_t dw15;
731	uint32_t dw14;
732	uint32_t dw13;
733	uint32_t dw12;
734	uint32_t dw11;
735	uint32_t dw10;
736	uint32_t dw9;
737	uint32_t dw8;
738	uint32_t dw7;
739	uint32_t dw6;
740	uint32_t dw5;
741	uint32_t dw4;
742	uint32_t dw3;
743	uint32_t dw2;
744	uint32_t dw1;
745	uint32_t dw0;
746	#else
747	uint32_t dw0;
748	uint32_t dw1;
749	uint32_t dw2;
750	uint32_t dw3;
751	uint32_t dw4;
752	uint32_t dw5;
753	uint32_t dw6;
754	uint32_t dw7;
755	uint32_t dw8;
756	uint32_t dw9;
757	uint32_t dw10;
758	uint32_t dw11;
759	uint32_t dw12;
760	uint32_t dw13;
761	uint32_t dw14;
762	uint32_t dw15;
763	#endif
764	} DWords;
765	/** Word view. */
766	struct
767	{
768	#ifdef RT_BIG_ENDIAN
769	uint16_t w31;
770	uint16_t w30;
771	uint16_t w29;
772	uint16_t w28;
773	uint16_t w27;
774	uint16_t w26;
775	uint16_t w25;
776	uint16_t w24;
777	uint16_t w23;
778	uint16_t w22;
779	uint16_t w21;
780	uint16_t w20;
781	uint16_t w19;
782	uint16_t w18;
783	uint16_t w17;
784	uint16_t w16;
785	uint16_t w15;
786	uint16_t w14;
787	uint16_t w13;
788	uint16_t w12;
789	uint16_t w11;
790	uint16_t w10;
791	uint16_t w9;
792	uint16_t w8;
793	uint16_t w7;
794	uint16_t w6;
795	uint16_t w5;
796	uint16_t w4;
797	uint16_t w3;
798	uint16_t w2;
799	uint16_t w1;
800	uint16_t w0;
801	#else
802	uint16_t w0;
803	uint16_t w1;
804	uint16_t w2;
805	uint16_t w3;
806	uint16_t w4;
807	uint16_t w5;
808	uint16_t w6;
809	uint16_t w7;
810	uint16_t w8;
811	uint16_t w9;
812	uint16_t w10;
813	uint16_t w11;
814	uint16_t w12;
815	uint16_t w13;
816	uint16_t w14;
817	uint16_t w15;
818	uint16_t w16;
819	uint16_t w17;
820	uint16_t w18;
821	uint16_t w19;
822	uint16_t w20;
823	uint16_t w21;
824	uint16_t w22;
825	uint16_t w23;
826	uint16_t w24;
827	uint16_t w25;
828	uint16_t w26;
829	uint16_t w27;
830	uint16_t w28;
831	uint16_t w29;
832	uint16_t w30;
833	uint16_t w31;
834	#endif
835	} Words;
836
837	/** Double-Quad-Word view. */
838	struct
839	{
840	#ifdef RT_BIG_ENDIAN
841	RTUINT128U dqw3;
842	RTUINT128U dqw2;
843	RTUINT128U dqw1;
844	RTUINT128U dqw0;
845	#else
846	RTUINT128U dqw0;
847	RTUINT128U dqw1;
848	RTUINT128U dqw2;
849	RTUINT128U dqw3;
850	#endif
851	} DQWords;
852
853	/** Octo-Word view. */
854	struct
855	{
856	#ifdef RT_BIG_ENDIAN
857	RTUINT256U ow3;
858	RTUINT256U ow2;
859	RTUINT256U ow1;
860	RTUINT256U ow0;
861	#else
862	RTUINT256U ow0;
863	RTUINT256U ow1;
864	RTUINT256U ow2;
865	RTUINT256U ow3;
866	#endif
867	} OWords;
868
869	/** 256-bit view. */
870	RTUINT256U au256[2];
871	/** 128-bit view. */
872	RTUINT128U au128[4];
873	/** 64-bit view. */
874	uint64_t au64[8];
875	/** 32-bit view. */
876	uint32_t au32[16];
877	/** 16-bit view. */
878	uint16_t au16[32];
879	/** 8-bit view. */
880	uint8_t au8[64];
881	} RTUINT512U;
882	#pragma pack()
883	/** Pointer to a 512-bit unsigned integer union. */
884	typedef RTUINT512U RT_FAR *PRTUINT512U;
885	/** Pointer to a const 512-bit unsigned integer union. */
886	typedef const RTUINT512U RT_FAR *PCRTUINT512U;
887
888	/** @def RTUINT512_INIT
889	* Portable RTUINT512U initializer. */
890	#ifdef RT_BIG_ENDIAN
891	# define RTUINT512_INIT(a_Qw7, a_Qw6, a_Qw5, a_Qw4, a_Qw3, a_Qw2, a_Qw1, a_Qw0) \
892	{ { a_Qw7, a_Qw6, a_Qw5, a_Qw4, a_Qw3, a_Qw2, a_Qw1, a_Qw0 } }
893	#else
894	# define RTUINT512_INIT(a_Qw7, a_Qw6, a_Qw5, a_Qw4, a_Qw3, a_Qw2, a_Qw1, a_Qw0) \
895	{ { a_Qw0, a_Qw1, a_Qw2, a_Qw3, a_Qw4, a_Qw5, a_Qw6, a_Qw7 } }
896	#endif
897
898	/** @def RTUINT512_INIT_C
899	* Portable RTUINT512U initializer for 64-bit constants. */
900	#define RTUINT512_INIT_C(a_Qw7, a_Qw6, a_Qw5, a_Qw4, a_Qw3, a_Qw2, a_Qw1, a_Qw0) \
901	RTUINT512_INIT(UINT64_C(a_Qw7), UINT64_C(a_Qw6), UINT64_C(a_Qw5), UINT64_C(a_Qw4), \
902	UINT64_C(a_Qw3), UINT64_C(a_Qw2), UINT64_C(a_Qw1), UINT64_C(a_Qw0))
903
904
905	/**
906	* Single precision floating point format (32-bit).
907	*/
908	typedef union RTFLOAT32U
909	{
910	/** Format using regular bitfields. */
911	struct
912	{
913	# ifdef RT_BIG_ENDIAN
914	/** The sign indicator. */
915	uint32_t fSign : 1;
916	/** The exponent (offseted by 127). */
917	uint32_t uExponent : 8;
918	/** The fraction. */
919	uint32_t uFraction : 23;
920	# else
921	/** The fraction. */
922	uint32_t uFraction : 23;
923	/** The exponent (offseted by 127). */
924	uint32_t uExponent : 8;
925	/** The sign indicator. */
926	uint32_t fSign : 1;
927	# endif
928	} s;
929
930	#if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86)
931	/** Double view. */
932	float r;
933	#endif
934	/** Unsigned integer view. */
935	uint32_t u;
936	/** 32-bit view. */
937	uint32_t au32[1];
938	/** 16-bit view. */
939	uint16_t au16[2];
940	/** 8-bit view. */
941	uint8_t au8[4];
942	} RTFLOAT32U;
943	/** Pointer to a single precision floating point format union. */
944	typedef RTFLOAT32U RT_FAR *PRTFLOAT32U;
945	/** Pointer to a const single precision floating point format union. */
946	typedef const RTFLOAT32U RT_FAR *PCRTFLOAT32U;
947	/** RTFLOAT32U initializer. */
948	#ifdef RT_BIG_ENDIAN
949	# define RTFLOAT32U_INIT(a_fSign, a_uFraction, a_uExponent) { { (a_fSign), (a_uExponent), (a_uFraction) } }
950	#else
951	# define RTFLOAT32U_INIT(a_fSign, a_uFraction, a_uExponent) { { (a_uFraction), (a_uExponent), (a_fSign) } }
952	#endif
953	#define RTFLOAT32U_INIT_C(a_fSign, a_uFraction, a_uExponent) RTFLOAT32U_INIT((a_fSign), UINT32_C(a_uFraction), (a_uExponent))
954	/** The exponent bias for the RTFLOAT32U format. */
955	#define RTFLOAT32U_EXP_BIAS (127)
956	/** The max exponent value for the RTFLOAT32U format. */
957	#define RTFLOAT32U_EXP_MAX (255)
958	/** The exponent bias overflow/underflow adjust for the RTFLOAT32U format.
959	* @note 754-1985 sec 7.3 & 7.4, not mentioned in later standard versions. */
960	#define RTFLOAT32U_EXP_BIAS_ADJUST (192)
961	/** Fraction width (in bits) for the RTFLOAT32U format. */
962	#define RTFLOAT32U_FRACTION_BITS (23)
963	/** Check if two 32-bit floating values are identical (memcmp, not
964	* numerically). */
965	#define RTFLOAT32U_ARE_IDENTICAL(a_pLeft, a_pRight) ((a_pLeft)->u == (a_pRight)->u)
966	/** @name RTFLOAT32U classification macros
967	* @{ */
968	#define RTFLOAT32U_IS_ZERO(a_pr32) (((a_pr32)->u & (RT_BIT_32(31) - 1)) == 0)
969	#define RTFLOAT32U_IS_SUBNORMAL(a_pr32) ((a_pr32)->s.uExponent == 0 && (a_pr32)->s.uFraction != 0)
970	#define RTFLOAT32U_IS_INF(a_pr32) ((a_pr32)->s.uExponent == 0xff && (a_pr32)->s.uFraction == 0)
971	#define RTFLOAT32U_IS_SIGNALLING_NAN(a_pr32) ((a_pr32)->s.uExponent == 0xff && !((a_pr32)->s.uFraction & RT_BIT_32(22)) \
972	&& (a_pr32)->s.uFraction != 0)
973	#define RTFLOAT32U_IS_QUIET_NAN(a_pr32) ((a_pr32)->s.uExponent == 0xff && ((a_pr32)->s.uFraction & RT_BIT_32(22)))
974	#define RTFLOAT32U_IS_NAN(a_pr32) ((a_pr32)->s.uExponent == 0xff && (a_pr32)->s.uFraction != 0)
975	#define RTFLOAT32U_IS_NORMAL(a_pr32) ((a_pr32)->s.uExponent > 0 && (a_pr32)->s.uExponent < 0xff)
976	/** @} */
977
978
979	/**
980	* Double precision floating point format (64-bit).
981	*/
982	typedef union RTFLOAT64U
983	{
984	/** Format using regular bitfields. */
985	struct
986	{
987	# ifdef RT_BIG_ENDIAN
988	/** The sign indicator. */
989	uint32_t fSign : 1;
990	/** The exponent (offseted by 1023). */
991	uint32_t uExponent : 11;
992	/** The fraction, bits 32 thru 51. */
993	uint32_t uFractionHigh : 20;
994	/** The fraction, bits 0 thru 31. */
995	uint32_t uFractionLow;
996	# else
997	/** The fraction, bits 0 thru 31. */
998	uint32_t uFractionLow;
999	/** The fraction, bits 32 thru 51. */
1000	uint32_t uFractionHigh : 20;
1001	/** The exponent (offseted by 1023). */
1002	uint32_t uExponent : 11;
1003	/** The sign indicator. */
1004	uint32_t fSign : 1;
1005	# endif
1006	} s;
1007
1008	#ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
1009	/** Format using 64-bit bitfields. */
1010	RT_GCC_EXTENSION struct
1011	{
1012	# ifdef RT_BIG_ENDIAN
1013	/** The sign indicator. */
1014	RT_GCC_EXTENSION uint64_t fSign : 1;
1015	/** The exponent (offseted by 1023). */
1016	RT_GCC_EXTENSION uint64_t uExponent : 11;
1017	/** The fraction. */
1018	RT_GCC_EXTENSION uint64_t uFraction : 52;
1019	# else
1020	/** The fraction. */
1021	RT_GCC_EXTENSION uint64_t uFraction : 52;
1022	/** The exponent (offseted by 1023). */
1023	RT_GCC_EXTENSION uint64_t uExponent : 11;
1024	/** The sign indicator. */
1025	RT_GCC_EXTENSION uint64_t fSign : 1;
1026	# endif
1027	} s64;
1028	#endif
1029
1030	#if defined(RT_ARCH_AMD64) \|\| defined(RT_ARCH_X86)
1031	/** Double view. */
1032	double rd;
1033	#endif
1034	/** Unsigned integer view. */
1035	uint64_t u;
1036	/** 64-bit view. */
1037	uint64_t au64[1];
1038	/** 32-bit view. */
1039	uint32_t au32[2];
1040	/** 16-bit view. */
1041	uint16_t au16[4];
1042	/** 8-bit view. */
1043	uint8_t au8[8];
1044	} RTFLOAT64U;
1045	/** Pointer to a double precision floating point format union. */
1046	typedef RTFLOAT64U RT_FAR *PRTFLOAT64U;
1047	/** Pointer to a const double precision floating point format union. */
1048	typedef const RTFLOAT64U RT_FAR *PCRTFLOAT64U;
1049	/** RTFLOAT64U initializer. */
1050	#ifdef RT_BIG_ENDIAN
1051	# define RTFLOAT64U_INIT(a_fSign, a_uFraction, a_uExponent) \
1052	{ { (a_fSign), (a_uExponent), (uint32_t)((a_uFraction) >> 32), (uint32_t)((a_uFraction) & UINT32_MAX) } }
1053	#else
1054	# define RTFLOAT64U_INIT(a_fSign, a_uFraction, a_uExponent) \
1055	{ { (uint32_t)((a_uFraction) & UINT32_MAX), (uint32_t)((a_uFraction) >> 32), (a_uExponent), (a_fSign) } }
1056	#endif
1057	#define RTFLOAT64U_INIT_C(a_fSign, a_uFraction, a_uExponent) RTFLOAT64U_INIT((a_fSign), UINT64_C(a_uFraction), (a_uExponent))
1058	/** The exponent bias for the RTFLOAT64U format. */
1059	#define RTFLOAT64U_EXP_BIAS (1023)
1060	/** The max exponent value for the RTFLOAT64U format. */
1061	#define RTFLOAT64U_EXP_MAX (2047)
1062	/** The exponent bias overflow/underflow adjust for the RTFLOAT64U format.
1063	* @note 754-1985 sec 7.3 & 7.4, not mentioned in later standard versions. */
1064	#define RTFLOAT64U_EXP_BIAS_ADJUST (1536)
1065	/** Fraction width (in bits) for the RTFLOAT64U format. */
1066	#define RTFLOAT64U_FRACTION_BITS (52)
1067	/** Check if two 64-bit floating values are identical (memcmp, not
1068	* numerically). */
1069	#define RTFLOAT64U_ARE_IDENTICAL(a_pLeft, a_pRight) ((a_pLeft)->u == (a_pRight)->u)
1070	/** @name RTFLOAT64U classification macros
1071	* @{ */
1072	#define RTFLOAT64U_IS_ZERO(a_pr64) (((a_pr64)->u & (RT_BIT_64(63) - 1)) == 0)
1073	#define RTFLOAT64U_IS_SUBNORMAL(a_pr64) ( (a_pr64)->s.uExponent == 0 \
1074	&& ((a_pr64)->s.uFractionLow != 0 \|\| (a_pr64)->s.uFractionHigh != 0) )
1075	#define RTFLOAT64U_IS_INF(a_pr64) ( (a_pr64)->s.uExponent == 0x7ff \
1076	&& (a_pr64)->s.uFractionLow == 0 && (a_pr64)->s.uFractionHigh == 0)
1077	#define RTFLOAT64U_IS_SIGNALLING_NAN(a_pr64) ( (a_pr64)->s.uExponent == 0x7ff \
1078	&& !((a_pr64)->s.uFractionHigh & RT_BIT_32(19)) \
1079	&& ((a_pr64)->s.uFractionHigh != 0 \|\| (a_pr64)->s.uFractionLow != 0) )
1080	#define RTFLOAT64U_IS_QUIET_NAN(a_pr64) ((a_pr64)->s.uExponent == 0x7ff && ((a_pr64)->s.uFractionHigh & RT_BIT_32(19)))
1081	#define RTFLOAT64U_IS_NAN(a_pr64) ( (a_pr64)->s.uExponent == 0x7ff \
1082	&& ((a_pr64)->s.uFractionHigh != 0 \|\| (a_pr64)->s.uFractionLow != 0) )
1083	#define RTFLOAT64U_IS_NORMAL(a_pr64) ((a_pr64)->s.uExponent > 0 && (a_pr64)->s.uExponent < 0x7ff)
1084	/** @} */
1085
1086
1087
1088	#if !defined(__IBMCPP__) && !defined(__IBMC__)
1089
1090	/**
1091	* Extended Double precision floating point format (80-bit).
1092	*/
1093	# pragma pack(1)
1094	typedef union RTFLOAT80U
1095	{
1096	/** Format using bitfields. */
1097	RT_GCC_EXTENSION struct
1098	{
1099	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1100	/** The sign indicator. */
1101	RT_GCC_EXTENSION uint16_t fSign : 1;
1102	/** The exponent (offseted by 16383). */
1103	RT_GCC_EXTENSION uint16_t uExponent : 15;
1104	/** The mantissa. */
1105	uint64_t uMantissa;
1106	# else
1107	/** The mantissa. */
1108	uint64_t uMantissa;
1109	/** The exponent (offseted by 16383). */
1110	RT_GCC_EXTENSION uint16_t uExponent : 15;
1111	/** The sign indicator. */
1112	RT_GCC_EXTENSION uint16_t fSign : 1;
1113	# endif
1114	} s;
1115
1116	/** Format for accessing it as two separate components. */
1117	RT_GCC_EXTENSION struct
1118	{
1119	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1120	/** The sign bit and exponent. */
1121	uint16_t uSignAndExponent;
1122	/** The mantissa. */
1123	uint64_t uMantissa;
1124	# else
1125	/** The mantissa. */
1126	uint64_t uMantissa;
1127	/** The sign bit and exponent. */
1128	uint16_t uSignAndExponent;
1129	# endif
1130	} s2;
1131
1132	# ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
1133	/** 64-bit bitfields exposing the J bit and the fraction. */
1134	RT_GCC_EXTENSION struct
1135	{
1136	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1137	/** The sign indicator. */
1138	RT_GCC_EXTENSION uint16_t fSign : 1;
1139	/** The exponent (offseted by 16383). */
1140	RT_GCC_EXTENSION uint16_t uExponent : 15;
1141	/** The J bit, aka the integer bit. */
1142	RT_GCC_EXTENSION uint64_t fInteger : 1;
1143	/** The fraction. */
1144	RT_GCC_EXTENSION uint64_t uFraction : 63;
1145	# else
1146	/** The fraction. */
1147	RT_GCC_EXTENSION uint64_t uFraction : 63;
1148	/** The J bit, aka the integer bit. */
1149	RT_GCC_EXTENSION uint64_t fInteger : 1;
1150	/** The exponent (offseted by 16383). */
1151	RT_GCC_EXTENSION uint16_t uExponent : 15;
1152	/** The sign indicator. */
1153	RT_GCC_EXTENSION uint16_t fSign : 1;
1154	# endif
1155	} sj64;
1156	# endif
1157
1158	/** 64-bit view. */
1159	uint64_t au64[1];
1160	/** 32-bit view. */
1161	uint32_t au32[2];
1162	/** 16-bit view. */
1163	uint16_t au16[5];
1164	/** 8-bit view. */
1165	uint8_t au8[10];
1166	} RTFLOAT80U;
1167	# pragma pack()
1168	/** Pointer to a extended precision floating point format union. */
1169	typedef RTFLOAT80U RT_FAR *PRTFLOAT80U;
1170	/** Pointer to a const extended precision floating point format union. */
1171	typedef const RTFLOAT80U RT_FAR *PCRTFLOAT80U;
1172	/** RTFLOAT80U initializer. */
1173	# ifdef RT_BIG_ENDIAN
1174	# define RTFLOAT80U_INIT(a_fSign, a_uMantissa, a_uExponent) { { (a_fSign), (a_uExponent), (a_uMantissa) } }
1175	# else
1176	# define RTFLOAT80U_INIT(a_fSign, a_uMantissa, a_uExponent) { { (a_uMantissa), (a_uExponent), (a_fSign) } }
1177	# endif
1178	# define RTFLOAT80U_INIT_C(a_fSign, a_uMantissa, a_uExponent) RTFLOAT80U_INIT((a_fSign), UINT64_C(a_uMantissa), (a_uExponent))
1179	# define RTFLOAT80U_INIT_ZERO(a_fSign) RTFLOAT80U_INIT((a_fSign), 0, 0)
1180	# define RTFLOAT80U_INIT_INF(a_fSign) RTFLOAT80U_INIT((a_fSign), RT_BIT_64(63), 0x7fff)
1181	# define RTFLOAT80U_INIT_SIGNALLING_NAN(a_fSign) RTFLOAT80U_INIT((a_fSign), RT_BIT_64(63) \| 1, 0x7fff)
1182	# define RTFLOAT80U_INIT_SNAN(a_fSign) RTFLOAT80U_INIT_SIGNALLING_NAN(a_fSign)
1183	# define RTFLOAT80U_INIT_QUIET_NAN(a_fSign) RTFLOAT80U_INIT((a_fSign), RT_BIT_64(63) \| RT_BIT_64(62) \| 1, 0x7fff)
1184	# define RTFLOAT80U_INIT_QNAN(a_fSign) RTFLOAT80U_INIT_QUIET_NAN(a_fSign)
1185	# define RTFLOAT80U_INIT_INDEFINITE(a_fSign) RTFLOAT80U_INIT((a_fSign), RT_BIT_64(63) \| RT_BIT_64(62), 0x7fff)
1186	# define RTFLOAT80U_INIT_IND(a_fSign) RTFLOAT80U_INIT_INDEFINITE(a_fSign)
1187	/** The exponent bias for the RTFLOAT80U format. */
1188	# define RTFLOAT80U_EXP_BIAS (16383)
1189	/** The max exponent value for the RTFLOAT80U format. */
1190	# define RTFLOAT80U_EXP_MAX (32767)
1191	/** The exponent bias overflow/underflow adjust for the RTFLOAT80U format.
1192	* @note 754-1985 sec 7.3 & 7.4, not mentioned in later standard versions. */
1193	# define RTFLOAT80U_EXP_BIAS_ADJUST (24576)
1194	/** Fraction width (in bits) for the RTFLOAT80U format. */
1195	# define RTFLOAT80U_FRACTION_BITS (63)
1196	/** Check if two 80-bit floating values are identical (memcmp, not
1197	* numberically). */
1198	# define RTFLOAT80U_ARE_IDENTICAL(a_pLeft, a_pRight) \
1199	( (a_pLeft)->au64[0] == (a_pRight)->au64[0] \
1200	&& (a_pLeft)->au16[4] == (a_pRight)->au16[4] )
1201	/** @name RTFLOAT80U classification macros
1202	* @{ */
1203	/** Is @a a_pr80 +0 or -0. */
1204	# define RTFLOAT80U_IS_ZERO(a_pr80) RTFLOAT80U_IS_ZERO_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1205	# define RTFLOAT80U_IS_ZERO_EX(a_uMantissa, a_uExponent) \
1206	((a_uExponent) == 0 && (a_uMantissa) == 0)
1207	/** Is @a a_pr80 a denormal (does not match psuedo-denormal). */
1208	# define RTFLOAT80U_IS_DENORMAL(a_pr80) RTFLOAT80U_IS_DENORMAL_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1209	# define RTFLOAT80U_IS_DENORMAL_EX(a_uMantissa, a_uExponent) \
1210	((a_uExponent) == 0 && (a_uMantissa) < RT_BIT_64(63) && (a_uMantissa) != 0)
1211	/** Is @a a_pr80 a pseudo-denormal. */
1212	# define RTFLOAT80U_IS_PSEUDO_DENORMAL(a_pr80) RTFLOAT80U_IS_PSEUDO_DENORMAL_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1213	# define RTFLOAT80U_IS_PSEUDO_DENORMAL_EX(a_uMantissa, a_uExponent) \
1214	((a_uExponent) == 0 && (a_uMantissa) >= RT_BIT_64(63))
1215	/** Is @a a_pr80 denormal or pseudo-denormal. */
1216	# define RTFLOAT80U_IS_DENORMAL_OR_PSEUDO_DENORMAL(a_pr80) \
1217	RTFLOAT80U_IS_DENORMAL_OR_PSEUDO_DENORMAL_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1218	# define RTFLOAT80U_IS_DENORMAL_OR_PSEUDO_DENORMAL_EX(a_uMantissa, a_uExponent) ((a_uExponent) == 0 && (a_uMantissa) != 0)
1219	/** Is @a a_pr80 +/-pseudo-infinity. */
1220	# define RTFLOAT80U_IS_PSEUDO_INF(a_pr80) RTFLOAT80U_IS_PSEUDO_INF_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1221	# define RTFLOAT80U_IS_PSEUDO_INF_EX(a_uMantissa, a_uExponent) ((a_uExponent) == 0x7fff && (a_uMantissa) == 0)
1222	/** Is @a a_pr80 pseudo-not-a-number. */
1223	# define RTFLOAT80U_IS_PSEUDO_NAN(a_pr80) RTFLOAT80U_IS_PSEUDO_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1224	# define RTFLOAT80U_IS_PSEUDO_NAN_EX(a_uMantissa, a_uExponent) ((a_uExponent) == 0x7fff && !((a_uMantissa) & RT_BIT_64(63)))
1225	/** Is @a a_pr80 infinity (does not match pseudo-infinity). */
1226	# define RTFLOAT80U_IS_INF(a_pr80) RTFLOAT80U_IS_INF_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1227	# define RTFLOAT80U_IS_INF_EX(a_uMantissa, a_uExponent) ((a_uExponent) == 0x7fff && (a_uMantissa) == RT_BIT_64(63))
1228	/** Is @a a_pr80 a signalling not-a-number value. */
1229	# define RTFLOAT80U_IS_SIGNALLING_NAN(a_pr80) RTFLOAT80U_IS_SIGNALLING_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1230	# define RTFLOAT80U_IS_SIGNALLING_NAN_EX(a_uMantissa, a_uExponent) \
1231	( (a_uExponent) == 0x7fff \
1232	&& ((a_uMantissa) & (RT_BIT_64(63) \| RT_BIT_64(62))) == RT_BIT_64(63) \
1233	&& ((a_uMantissa) & (RT_BIT_64(62) - 1)) != 0)
1234	/** Is @a a_pr80 a quiet not-a-number value. */
1235	# define RTFLOAT80U_IS_QUIET_NAN(a_pr80) RTFLOAT80U_IS_QUIET_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1236	# define RTFLOAT80U_IS_QUIET_NAN_EX(a_uMantissa, a_uExponent) \
1237	( (a_uExponent) == 0x7fff \
1238	&& ((a_uMantissa) & (RT_BIT_64(63) \| RT_BIT_64(62))) == (RT_BIT_64(63) \| RT_BIT_64(62)) \
1239	&& ((a_uMantissa) & (RT_BIT_64(62) - 1)) != 0)
1240	/** Is @a a_pr80 Signalling-, Quiet- or Pseudo-NaN. */
1241	# define RTFLOAT80U_IS_NAN(a_pr80) RTFLOAT80U_IS_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1242	# define RTFLOAT80U_IS_NAN_EX(a_uMantissa, a_uExponent) ((a_uExponent) == 0x7fff && ((a_uMantissa) & (RT_BIT_64(63) - 1)) != 0)
1243	/** Is @a a_pr80 Signalling- or Quiet-Nan, but not Pseudo-NaN. */
1244	# define RTFLOAT80U_IS_QUIET_OR_SIGNALLING_NAN(a_pr80) \
1245	RTFLOAT80U_IS_QUIET_OR_SIGNALLING_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1246	# define RTFLOAT80U_IS_QUIET_OR_SIGNALLING_NAN_EX(a_uMantissa, a_uExponent) \
1247	((a_uExponent) == 0x7fff && ((a_uMantissa) > RT_BIT_64(63)))
1248	/** Is @a a_pr80 indefinite (ignoring sign). */
1249	# define RTFLOAT80U_IS_INDEFINITE(a_pr80) RTFLOAT80U_IS_INDEFINITE_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1250	# define RTFLOAT80U_IS_INDEFINITE_EX(a_uMantissa, a_uExponent) \
1251	((a_uExponent) == 0x7fff && (a_uMantissa) == (RT_BIT_64(63) \| RT_BIT_64(62)))
1252	/** Is @a a_pr80 Indefinite, Signalling- or Quiet-Nan, but not Pseudo-NaN (nor Infinity). */
1253	# define RTFLOAT80U_IS_INDEFINITE_OR_QUIET_OR_SIGNALLING_NAN(a_pr80) \
1254	RTFLOAT80U_IS_INDEFINITE_OR_QUIET_OR_SIGNALLING_NAN_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1255	# define RTFLOAT80U_IS_INDEFINITE_OR_QUIET_OR_SIGNALLING_NAN_EX(a_uMantissa, a_uExponent) \
1256	((a_uExponent) == 0x7fff && (a_uMantissa) > RT_BIT_64(63))
1257	/** Is @a a_pr80 an unnormal value (invalid operand on 387+). */
1258	# define RTFLOAT80U_IS_UNNORMAL(a_pr80) RTFLOAT80U_IS_UNNORMAL_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1259	# define RTFLOAT80U_IS_UNNORMAL_EX(a_uMantissa, a_uExponent) \
1260	(!((a_uMantissa) & RT_BIT_64(63)) && (a_uExponent) > 0 && (a_uExponent) < 0x7fff) /* a_uExponent can be signed and up to 64-bit wide */
1261	/** Is @a a_pr80 a normal value (excludes zero). */
1262	# define RTFLOAT80U_IS_NORMAL(a_pr80) RTFLOAT80U_IS_NORMAL_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1263	# define RTFLOAT80U_IS_NORMAL_EX(a_uMantissa, a_uExponent) \
1264	(((a_uMantissa) & RT_BIT_64(63)) && (a_uExponent) > 0 && (a_uExponent) < 0x7fff) /* a_uExponent can be signed and up to 64-bit wide */
1265	/** Invalid 387 (and later) operands: Pseudo-Infinity, Psuedo-NaN, Unnormals. */
1266	#define RTFLOAT80U_IS_387_INVALID(a_pr80) RTFLOAT80U_IS_387_INVALID_EX((a_pr80)->s.uMantissa, (a_pr80)->s.uExponent)
1267	#define RTFLOAT80U_IS_387_INVALID_EX(a_uMantissa, a_uExponent) \
1268	(!((a_uMantissa) & RT_BIT_64(63)) && (a_uExponent) > 0)
1269	/** @} */
1270
1271
1272	/**
1273	* A variant of RTFLOAT80U that may be larger than 80-bits depending on how the
1274	* compiler implements long double.
1275	*
1276	* @note On AMD64 systems implementing the System V ABI, this will be 16 bytes!
1277	* The last 6 bytes are unused padding taken up by the long double view.
1278	*/
1279	# pragma pack(1)
1280	typedef union RTFLOAT80U2
1281	{
1282	/** Format using bitfields. */
1283	RT_GCC_EXTENSION struct
1284	{
1285	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1286	/** The sign indicator. */
1287	RT_GCC_EXTENSION uint16_t fSign : 1;
1288	/** The exponent (offseted by 16383). */
1289	RT_GCC_EXTENSION uint16_t uExponent : 15;
1290	/** The mantissa. */
1291	uint64_t uMantissa;
1292	# else
1293	/** The mantissa. */
1294	uint64_t uMantissa;
1295	/** The exponent (offseted by 16383). */
1296	RT_GCC_EXTENSION uint16_t uExponent : 15;
1297	/** The sign indicator. */
1298	RT_GCC_EXTENSION uint16_t fSign : 1;
1299	# endif
1300	} s;
1301
1302	/** Format for accessing it as two separate components. */
1303	RT_GCC_EXTENSION struct
1304	{
1305	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1306	/** The sign bit and exponent. */
1307	uint16_t uSignAndExponent;
1308	/** The mantissa. */
1309	uint64_t uMantissa;
1310	# else
1311	/** The mantissa. */
1312	uint64_t uMantissa;
1313	/** The sign bit and exponent. */
1314	uint16_t uSignAndExponent;
1315	# endif
1316	} s2;
1317
1318	/** Bitfield exposing the J bit and the fraction. */
1319	RT_GCC_EXTENSION struct
1320	{
1321	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1322	/** The sign indicator. */
1323	RT_GCC_EXTENSION uint16_t fSign : 1;
1324	/** The exponent (offseted by 16383). */
1325	RT_GCC_EXTENSION uint16_t uExponent : 15;
1326	/** The J bit, aka the integer bit. */
1327	uint32_t fInteger : 1;
1328	/** The fraction, bits 32 thru 62. */
1329	uint32_t uFractionHigh : 31;
1330	/** The fraction, bits 0 thru 31. */
1331	uint32_t uFractionLow : 32;
1332	# else
1333	/** The fraction, bits 0 thru 31. */
1334	uint32_t uFractionLow : 32;
1335	/** The fraction, bits 32 thru 62. */
1336	uint32_t uFractionHigh : 31;
1337	/** The J bit, aka the integer bit. */
1338	uint32_t fInteger : 1;
1339	/** The exponent (offseted by 16383). */
1340	RT_GCC_EXTENSION uint16_t uExponent : 15;
1341	/** The sign indicator. */
1342	RT_GCC_EXTENSION uint16_t fSign : 1;
1343	# endif
1344	} sj;
1345
1346	# ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
1347	/** 64-bit bitfields exposing the J bit and the fraction. */
1348	RT_GCC_EXTENSION struct
1349	{
1350	# ifdef RT_BIG_ENDIAN /** @todo big endian mapping is wrong. */
1351	/** The sign indicator. */
1352	RT_GCC_EXTENSION uint16_t fSign : 1;
1353	/** The exponent (offseted by 16383). */
1354	RT_GCC_EXTENSION uint16_t uExponent : 15;
1355	/** The J bit, aka the integer bit. */
1356	RT_GCC_EXTENSION uint64_t fInteger : 1;
1357	/** The fraction. */
1358	RT_GCC_EXTENSION uint64_t uFraction : 63;
1359	# else
1360	/** The fraction. */
1361	RT_GCC_EXTENSION uint64_t uFraction : 63;
1362	/** The J bit, aka the integer bit. */
1363	RT_GCC_EXTENSION uint64_t fInteger : 1;
1364	/** The exponent (offseted by 16383). */
1365	RT_GCC_EXTENSION uint16_t uExponent : 15;
1366	/** The sign indicator. */
1367	RT_GCC_EXTENSION uint16_t fSign : 1;
1368	# endif
1369	} sj64;
1370	# endif
1371
1372	# ifdef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
1373	/** Long double view. */
1374	long double lrd;
1375	# endif
1376	/** 64-bit view. */
1377	uint64_t au64[1];
1378	/** 32-bit view. */
1379	uint32_t au32[2];
1380	/** 16-bit view. */
1381	uint16_t au16[5];
1382	/** 8-bit view. */
1383	uint8_t au8[10];
1384	} RTFLOAT80U2;
1385	# pragma pack()
1386	/** Pointer to a extended precision floating point format union, 2nd
1387	* variant. */
1388	typedef RTFLOAT80U2 RT_FAR *PRTFLOAT80U2;
1389	/** Pointer to a const extended precision floating point format union, 2nd
1390	* variant. */
1391	typedef const RTFLOAT80U2 RT_FAR *PCRTFLOAT80U2;
1392
1393	#endif /* uint16_t bitfields doesn't work */
1394
1395
1396	/**
1397	* Quadruple precision floating point format (128-bit).
1398	*/
1399	typedef union RTFLOAT128U
1400	{
1401	/** Format using regular bitfields. */
1402	struct
1403	{
1404	# ifdef RT_BIG_ENDIAN
1405	/** The sign indicator. */
1406	uint32_t fSign : 1;
1407	/** The exponent (offseted by 16383). */
1408	uint32_t uExponent : 15;
1409	/** The fraction, bits 96 thru 111. */
1410	uint32_t uFractionHigh : 16;
1411	/** The fraction, bits 64 thru 95. */
1412	uint32_t uFractionMid;
1413	/** The fraction, bits 0 thru 63. */
1414	uint64_t uFractionLow;
1415	# else
1416	/** The fraction, bits 0 thru 63. */
1417	uint64_t uFractionLow;
1418	/** The fraction, bits 64 thru 95. */
1419	uint32_t uFractionMid;
1420	/** The fraction, bits 96 thru 111. */
1421	uint32_t uFractionHigh : 16;
1422	/** The exponent (offseted by 16383). */
1423	uint32_t uExponent : 15;
1424	/** The sign indicator. */
1425	uint32_t fSign : 1;
1426	# endif
1427	} s;
1428
1429	/** Format for accessing it as two separate components. */
1430	struct
1431	{
1432	# ifdef RT_BIG_ENDIAN
1433	/** The sign bit and exponent. */
1434	uint16_t uSignAndExponent;
1435	/** The fraction, bits 96 thru 111. */
1436	uint16_t uFractionHigh;
1437	/** The fraction, bits 64 thru 95. */
1438	uint32_t uFractionMid;
1439	/** The fraction, bits 0 thru 63. */
1440	uint64_t uFractionLow;
1441	# else
1442	/** The fraction, bits 0 thru 63. */
1443	uint64_t uFractionLow;
1444	/** The fraction, bits 64 thru 95. */
1445	uint32_t uFractionMid;
1446	/** The fraction, bits 96 thru 111. */
1447	uint16_t uFractionHigh;
1448	/** The sign bit and exponent. */
1449	uint16_t uSignAndExponent;
1450	# endif
1451	} s2;
1452
1453	#ifdef RT_COMPILER_GROKS_64BIT_BITFIELDS
1454	/** Format using 64-bit bitfields. */
1455	RT_GCC_EXTENSION struct
1456	{
1457	# ifdef RT_BIG_ENDIAN
1458	/** The sign indicator. */
1459	RT_GCC_EXTENSION uint64_t fSign : 1;
1460	/** The exponent (offseted by 16383). */
1461	RT_GCC_EXTENSION uint64_t uExponent : 15;
1462	/** The fraction, bits 64 thru 111. */
1463	RT_GCC_EXTENSION uint64_t uFractionHi : 48;
1464	/** The fraction, bits 0 thru 63. */
1465	uint64_t uFractionLo;
1466	# else
1467	/** The fraction, bits 0 thru 63. */
1468	uint64_t uFractionLo;
1469	/** The fraction, bits 64 thru 111. */
1470	RT_GCC_EXTENSION uint64_t uFractionHi : 48;
1471	/** The exponent (offseted by 16383). */
1472	RT_GCC_EXTENSION uint64_t uExponent : 15;
1473	/** The sign indicator. */
1474	RT_GCC_EXTENSION uint64_t fSign : 1;
1475	# endif
1476	} s64;
1477	#endif
1478
1479	#ifdef RT_COMPILER_WITH_128BIT_LONG_DOUBLE
1480	/** Long double view. */
1481	long double lrd;
1482	#endif
1483	/** 128-bit view. */
1484	RTUINT128U u128;
1485	/** 64-bit view. */
1486	uint64_t au64[2];
1487	/** 32-bit view. */
1488	uint32_t au32[4];
1489	/** 16-bit view. */
1490	uint16_t au16[8];
1491	/** 8-bit view. */
1492	uint8_t au8[16];
1493	} RTFLOAT128U;
1494	/** Pointer to a quadruple precision floating point format union. */
1495	typedef RTFLOAT128U RT_FAR *PRTFLOAT128U;
1496	/** Pointer to a const quadruple precision floating point format union. */
1497	typedef const RTFLOAT128U RT_FAR *PCRTFLOAT128U;
1498	/** RTFLOAT128U initializer. */
1499	#ifdef RT_BIG_ENDIAN
1500	# define RTFLOAT128U_INIT(a_fSign, a_uFractionHi, a_uFractionLo, a_uExponent) \
1501	{ { (a_fSign), (a_uExponent), (uint32_t)((a_uFractionHi) >> 32), (uint32_t)((a_uFractionHi) & UINT32_MAX), (a_uFractionLo) } }
1502	#else
1503	# define RTFLOAT128U_INIT(a_fSign, a_uFractionHi, a_uFractionLo, a_uExponent) \
1504	{ { (a_uFractionLo), (uint32_t)((a_uFractionHi) & UINT32_MAX), (uint32_t)((a_uFractionHi) >> 32), (a_uExponent), (a_fSign) } }
1505	#endif
1506	#define RTFLOAT128U_INIT_C(a_fSign, a_uFractionHi, a_uFractionLo, a_uExponent) \
1507	RTFLOAT128U_INIT((a_fSign), UINT64_C(a_uFractionHi), UINT64_C(a_uFractionLo), (a_uExponent))
1508	/** The exponent bias for the RTFLOAT128U format. */
1509	#define RTFLOAT128U_EXP_BIAS (16383)
1510	/** The max exponent value for the RTFLOAT128U format. */
1511	#define RTFLOAT128U_EXP_MAX (32767)
1512	/** The exponent bias overflow/underflow adjust for the RTFLOAT128U format.
1513	* @note This is stipulated based on RTFLOAT80U, it doesn't appear in any
1514	* standard text as far as we know. */
1515	#define RTFLOAT128U_EXP_BIAS_ADJUST (24576)
1516	/** Fraction width (in bits) for the RTFLOAT128U format. */
1517	#define RTFLOAT128U_FRACTION_BITS (112)
1518	/** Check if two 128-bit floating values are identical (memcmp, not
1519	* numerically). */
1520	#define RTFLOAT128U_ARE_IDENTICAL(a_pLeft, a_pRight) \
1521	( (a_pLeft)->au64[0] == (a_pRight)->au64[0] && (a_pLeft)->au64[1] == (a_pRight)->au64[1] )
1522	/** @name RTFLOAT128U classification macros
1523	* @{ */
1524	#define RTFLOAT128U_IS_ZERO(a_pr128) ( (a_pr128)->u128.s.Lo == 0 \
1525	&& ((a_pr128)->u128.s.Hi & (RT_BIT_64(63) - 1)) == 0)
1526	#define RTFLOAT128U_IS_SUBNORMAL(a_pr128) ( (a_pr128)->s.uExponent == 0 \
1527	&& ( (a_pr128)->s.uFractionLow != 0 \
1528	\|\| (a_pr128)->s.uFractionMid != 0 \
1529	\|\| (a_pr128)->s.uFractionHigh != 0 ) )
1530	#define RTFLOAT128U_IS_INF(a_pr128) ( (a_pr128)->s.uExponent == RTFLOAT128U_EXP_MAX \
1531	&& (a_pr128)->s.uFractionHigh == 0 \
1532	&& (a_pr128)->s.uFractionMid == 0 \
1533	&& (a_pr128)->s.uFractionLow == 0 )
1534	#define RTFLOAT128U_IS_SIGNALLING_NAN(a_pr128) ( (a_pr128)->s.uExponent == RTFLOAT128U_EXP_MAX \
1535	&& !((a_pr128)->s.uFractionHigh & RT_BIT_32(15)) \
1536	&& ( (a_pr128)->s.uFractionHigh != 0 \
1537	\|\| (a_pr128)->s.uFractionMid != 0 \
1538	\|\| (a_pr128)->s.uFractionLow != 0) )
1539	#define RTFLOAT128U_IS_QUIET_NAN(a_pr128) ( (a_pr128)->s.uExponent == RTFLOAT128U_EXP_MAX \
1540	&& ((a_pr128)->s.uFractionHigh & RT_BIT_32(15)))
1541	#define RTFLOAT128U_IS_NAN(a_pr128) ( (a_pr128)->s.uExponent == RTFLOAT128U_EXP_MAX \
1542	&& ( (a_pr128)->s.uFractionLow != 0 \
1543	\|\| (a_pr128)->s.uFractionMid != 0 \
1544	\|\| (a_pr128)->s.uFractionHigh != 0) )
1545	#define RTFLOAT128U_IS_NORMAL(a_pr128) ((a_pr128)->s.uExponent > 0 && (a_pr128)->s.uExponent < RTFLOAT128U_EXP_MAX)
1546	/** @} */
1547
1548
1549	/**
1550	* Packed BCD 18-digit signed integer format (80-bit).
1551	*/
1552	#pragma pack(1)
1553	typedef union RTPBCD80U
1554	{
1555	/** Format using bitfields. */
1556	RT_GCC_EXTENSION struct
1557	{
1558	/** 18 packed BCD digits, two to a byte. */
1559	uint8_t abPairs[9];
1560	/** Padding, non-zero if indefinite. */
1561	RT_GCC_EXTENSION uint8_t uPad : 7;
1562	/** The sign indicator. */
1563	RT_GCC_EXTENSION uint8_t fSign : 1;
1564	} s;
1565
1566	/** 64-bit view. */
1567	uint64_t au64[1];
1568	/** 32-bit view. */
1569	uint32_t au32[2];
1570	/** 16-bit view. */
1571	uint16_t au16[5];
1572	/** 8-bit view. */
1573	uint8_t au8[10];
1574	} RTPBCD80U;
1575	#pragma pack()
1576	/** Pointer to a packed BCD integer format union. */
1577	typedef RTPBCD80U RT_FAR *PRTPBCD80U;
1578	/** Pointer to a const packed BCD integer format union. */
1579	typedef const RTPBCD80U RT_FAR *PCRTPBCD80U;
1580	/** RTPBCD80U initializer. */
1581	#define RTPBCD80U_INIT_C(a_fSign, a_D17, a_D16, a_D15, a_D14, a_D13, a_D12, a_D11, a_D10, \
1582	a_D9, a_D8, a_D7, a_D6, a_D5, a_D4, a_D3, a_D2, a_D1, a_D0) \
1583	RTPBCD80U_INIT_EX_C(0, a_fSign, a_D17, a_D16, a_D15, a_D14, a_D13, a_D12, a_D11, a_D10, \
1584	a_D9, a_D8, a_D7, a_D6, a_D5, a_D4, a_D3, a_D2, a_D1, a_D0)
1585	/** Extended RTPBCD80U initializer. */
1586	#define RTPBCD80U_INIT_EX_C(a_uPad, a_fSign, a_D17, a_D16, a_D15, a_D14, a_D13, a_D12, a_D11, a_D10, \
1587	a_D9, a_D8, a_D7, a_D6, a_D5, a_D4, a_D3, a_D2, a_D1, a_D0) \
1588	{ { { RTPBCD80U_MAKE_PAIR(a_D1, a_D0), \
1589	RTPBCD80U_MAKE_PAIR(a_D3, a_D2), \
1590	RTPBCD80U_MAKE_PAIR(a_D5, a_D4), \
1591	RTPBCD80U_MAKE_PAIR(a_D7, a_D6), \
1592	RTPBCD80U_MAKE_PAIR(a_D9, a_D8), \
1593	RTPBCD80U_MAKE_PAIR(a_D11, a_D10), \
1594	RTPBCD80U_MAKE_PAIR(a_D13, a_D12), \
1595	RTPBCD80U_MAKE_PAIR(a_D15, a_D14), \
1596	RTPBCD80U_MAKE_PAIR(a_D17, a_D16), }, (a_uPad), (a_fSign) } }
1597	/** RTPBCD80U initializer for the zero value. */
1598	#define RTPBCD80U_INIT_ZERO(a_fSign) RTPBCD80U_INIT_C(a_fSign, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0)
1599	/** RTPBCD80U initializer for the indefinite value. */
1600	#define RTPBCD80U_INIT_INDEFINITE() RTPBCD80U_INIT_EX_C(0x7f,1, 0xf,0xf, 0xc,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0)
1601	/** RTPBCD80U initializer for the minimum value. */
1602	#define RTPBCD80U_INIT_MIN() RTPBCD80U_INIT_C(1, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9)
1603	/** RTPBCD80U initializer for the maximum value. */
1604	#define RTPBCD80U_INIT_MAX() RTPBCD80U_INIT_C(0, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9, 9,9)
1605	/** RTPBCD80U minimum value. */
1606	#define RTPBCD80U_MIN INT64_C(-999999999999999999)
1607	/** RTPBCD80U maximum value. */
1608	#define RTPBCD80U_MAX INT64_C(999999999999999999)
1609	/** Makes a packs a pair of BCD digits. */
1610	#define RTPBCD80U_MAKE_PAIR(a_D1, a_D0) ((a_D0) \| ((a_D1) << 4))
1611	/** Retrieves the lower digit of a BCD digit pair. */
1612	#define RTPBCD80U_LO_DIGIT(a_bPair) ((a_bPair) & 0xf)
1613	/** Retrieves the higher digit of a BCD digit pair. */
1614	#define RTPBCD80U_HI_DIGIT(a_bPair) ((a_bPair) >> 4)
1615	/** Checks if the packaged BCD number is representing indefinite. */
1616	#define RTPBCD80U_IS_INDEFINITE(a_pd80) \
1617	( (a_pd80)->s.uPad == 0x7f \
1618	&& (a_pd80)->s.fSign == 1 \
1619	&& (a_pd80)->s.abPairs[8] == 0xff \
1620	&& (a_pd80)->s.abPairs[7] == RTPBCD80U_MAKE_PAIR(0xc, 0) \
1621	&& (a_pd80)->s.abPairs[6] == 0 \
1622	&& (a_pd80)->s.abPairs[5] == 0 \
1623	&& (a_pd80)->s.abPairs[4] == 0 \
1624	&& (a_pd80)->s.abPairs[3] == 0 \
1625	&& (a_pd80)->s.abPairs[2] == 0 \
1626	&& (a_pd80)->s.abPairs[1] == 0 \
1627	&& (a_pd80)->s.abPairs[0] == 0)
1628	/** Check if @a a_pd80Left and @a a_pd80Right are exactly the same. */
1629	#define RTPBCD80U_ARE_IDENTICAL(a_pd80Left, a_pd80Right) \
1630	( (a_pd80Left)->au64[0] == (a_pd80Right)->au64[0] && (a_pd80Left)->au16[4] == (a_pd80Right)->au16[4] )
1631
1632
1633	/** Generic function type.
1634	* @see PFNRT
1635	*/
1636	typedef DECLCALLBACKTYPE(void, FNRT,(void));
1637
1638	/** Generic function pointer.
1639	* With -pedantic, gcc-4 complains when casting a function to a data object, for
1640	* example:
1641	*
1642	* @code
1643	* void foo(void)
1644	* {
1645	* }
1646	*
1647	* void bar = (void )foo;
1648	* @endcode
1649	*
1650	* The compiler would warn with "ISO C++ forbids casting between
1651	* pointer-to-function and pointer-to-object". The purpose of this warning is
1652	* not to bother the programmer but to point out that he is probably doing
1653	* something dangerous, assigning a pointer to executable code to a data object.
1654	*/
1655	typedef FNRT *PFNRT;
1656
1657	/** Variant on PFNRT that takes one pointer argument. */
1658	typedef DECLCALLBACKTYPE(void, FNRT1,(void *pvArg));
1659	/** Pointer to FNRT1. */
1660	typedef FNRT1 *PFNRT1;
1661
1662	/** Millisecond interval. */
1663	typedef uint32_t RTMSINTERVAL;
1664	/** Pointer to a millisecond interval. */
1665	typedef RTMSINTERVAL RT_FAR *PRTMSINTERVAL;
1666	/** Pointer to a const millisecond interval. */
1667	typedef const RTMSINTERVAL RT_FAR *PCRTMSINTERVAL;
1668
1669	/** Pointer to a time spec structure. */
1670	typedef struct RTTIMESPEC RT_FAR *PRTTIMESPEC;
1671	/** Pointer to a const time spec structure. */
1672	typedef const struct RTTIMESPEC RT_FAR *PCRTTIMESPEC;
1673
1674
1675
1676	/** @defgroup grp_rt_types_both Common Guest and Host Context Basic Types
1677	* @{
1678	*/
1679
1680	/** Signed integer which can contain both GC and HC pointers. */
1681	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32) \|\| (HC_ARCH_BITS == 16 \|\| GC_ARCH_BITS == 16)
1682	typedef int32_t RTINTPTR;
1683	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
1684	typedef int64_t RTINTPTR;
1685	#else
1686	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
1687	#endif
1688	/** Pointer to signed integer which can contain both GC and HC pointers. */
1689	typedef RTINTPTR RT_FAR *PRTINTPTR;
1690	/** Pointer const to signed integer which can contain both GC and HC pointers. */
1691	typedef const RTINTPTR RT_FAR *PCRTINTPTR;
1692	/** The maximum value the RTINTPTR type can hold. */
1693	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32) \|\| (HC_ARCH_BITS == 16 \|\| GC_ARCH_BITS == 16)
1694	# define RTINTPTR_MAX INT32_MAX
1695	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
1696	# define RTINTPTR_MAX INT64_MAX
1697	#else
1698	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
1699	#endif
1700	/** The minimum value the RTINTPTR type can hold. */
1701	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32) \|\| (HC_ARCH_BITS == 16 \|\| GC_ARCH_BITS == 16)
1702	# define RTINTPTR_MIN INT32_MIN
1703	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
1704	# define RTINTPTR_MIN INT64_MIN
1705	#else
1706	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
1707	#endif
1708
1709	/** Unsigned integer which can contain both GC and HC pointers. */
1710	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32) \|\| (HC_ARCH_BITS == 16 \|\| GC_ARCH_BITS == 16)
1711	typedef uint32_t RTUINTPTR;
1712	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
1713	typedef uint64_t RTUINTPTR;
1714	#else
1715	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
1716	#endif
1717	/** Pointer to unsigned integer which can contain both GC and HC pointers. */
1718	typedef RTUINTPTR RT_FAR *PRTUINTPTR;
1719	/** Pointer const to unsigned integer which can contain both GC and HC pointers. */
1720	typedef const RTUINTPTR RT_FAR *PCRTUINTPTR;
1721	/** The maximum value the RTUINTPTR type can hold. */
1722	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32) \|\| (HC_ARCH_BITS == 16 \|\| GC_ARCH_BITS == 16)
1723	# define RTUINTPTR_MAX UINT32_MAX
1724	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
1725	# define RTUINTPTR_MAX UINT64_MAX
1726	#else
1727	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
1728	#endif
1729
1730	/** Signed integer. */
1731	typedef int32_t RTINT;
1732	/** Pointer to signed integer. */
1733	typedef RTINT RT_FAR *PRTINT;
1734	/** Pointer to const signed integer. */
1735	typedef const RTINT RT_FAR *PCRTINT;
1736
1737	/** Unsigned integer. */
1738	typedef uint32_t RTUINT;
1739	/** Pointer to unsigned integer. */
1740	typedef RTUINT RT_FAR *PRTUINT;
1741	/** Pointer to const unsigned integer. */
1742	typedef const RTUINT RT_FAR *PCRTUINT;
1743
1744	/** A file offset / size (off_t). */
1745	typedef int64_t RTFOFF;
1746	/** Pointer to a file offset / size. */
1747	typedef RTFOFF RT_FAR *PRTFOFF;
1748	/** The max value for RTFOFF. */
1749	#define RTFOFF_MAX INT64_MAX
1750	/** The min value for RTFOFF. */
1751	#define RTFOFF_MIN INT64_MIN
1752
1753	/** File mode (see iprt/fs.h). */
1754	typedef uint32_t RTFMODE;
1755	/** Pointer to file mode. */
1756	typedef RTFMODE RT_FAR *PRTFMODE;
1757
1758	/** Device unix number. */
1759	typedef uint32_t RTDEV;
1760	/** Pointer to a device unix number. */
1761	typedef RTDEV RT_FAR *PRTDEV;
1762
1763	/** @name RTDEV Macros
1764	* @{ */
1765	/**
1766	* Our makedev macro.
1767	* @returns RTDEV
1768	* @param uMajor The major device number.
1769	* @param uMinor The minor device number.
1770	*/
1771	#define RTDEV_MAKE(uMajor, uMinor) ((RTDEV)( ((RTDEV)(uMajor) << 24) \| (uMinor & UINT32_C(0x00ffffff)) ))
1772	/**
1773	* Get the major device node number from an RTDEV type.
1774	* @returns The major device number of @a uDev
1775	* @param uDev The device number.
1776	*/
1777	#define RTDEV_MAJOR(uDev) ((uDev) >> 24)
1778	/**
1779	* Get the minor device node number from an RTDEV type.
1780	* @returns The minor device number of @a uDev
1781	* @param uDev The device number.
1782	*/
1783	#define RTDEV_MINOR(uDev) ((uDev) & UINT32_C(0x00ffffff))
1784	/** @} */
1785
1786	/** i-node number. */
1787	typedef uint64_t RTINODE;
1788	/** Pointer to a i-node number. */
1789	typedef RTINODE RT_FAR *PRTINODE;
1790
1791	/** User id. */
1792	typedef uint32_t RTUID;
1793	/** Pointer to a user id. */
1794	typedef RTUID RT_FAR *PRTUID;
1795	/** NIL user id.
1796	* @todo check this for portability! */
1797	#define NIL_RTUID (~(RTUID)0)
1798
1799	/** Group id. */
1800	typedef uint32_t RTGID;
1801	/** Pointer to a group id. */
1802	typedef RTGID RT_FAR *PRTGID;
1803	/** NIL group id.
1804	* @todo check this for portability! */
1805	#define NIL_RTGID (~(RTGID)0)
1806
1807	/** I/O Port. */
1808	typedef uint16_t RTIOPORT;
1809	/** Pointer to I/O Port. */
1810	typedef RTIOPORT RT_FAR *PRTIOPORT;
1811	/** Pointer to const I/O Port. */
1812	typedef const RTIOPORT RT_FAR *PCRTIOPORT;
1813
1814	/** Selector. */
1815	typedef uint16_t RTSEL;
1816	/** Pointer to selector. */
1817	typedef RTSEL RT_FAR *PRTSEL;
1818	/** Pointer to const selector. */
1819	typedef const RTSEL RT_FAR *PCRTSEL;
1820	/** Max selector value. */
1821	#define RTSEL_MAX UINT16_MAX
1822
1823	/** Far 16-bit pointer. */
1824	#pragma pack(1)
1825	typedef struct RTFAR16
1826	{
1827	uint16_t off;
1828	RTSEL sel;
1829	} RTFAR16;
1830	#pragma pack()
1831	/** Pointer to Far 16-bit pointer. */
1832	typedef RTFAR16 RT_FAR *PRTFAR16;
1833	/** Pointer to const Far 16-bit pointer. */
1834	typedef const RTFAR16 RT_FAR *PCRTFAR16;
1835
1836	/** Far 32-bit pointer. */
1837	#pragma pack(1)
1838	typedef struct RTFAR32
1839	{
1840	uint32_t off;
1841	RTSEL sel;
1842	} RTFAR32;
1843	#pragma pack()
1844	/** Pointer to Far 32-bit pointer. */
1845	typedef RTFAR32 RT_FAR *PRTFAR32;
1846	/** Pointer to const Far 32-bit pointer. */
1847	typedef const RTFAR32 RT_FAR *PCRTFAR32;
1848
1849	/** Far 64-bit pointer. */
1850	#pragma pack(1)
1851	typedef struct RTFAR64
1852	{
1853	uint64_t off;
1854	RTSEL sel;
1855	} RTFAR64;
1856	#pragma pack()
1857	/** Pointer to Far 64-bit pointer. */
1858	typedef RTFAR64 RT_FAR *PRTFAR64;
1859	/** Pointer to const Far 64-bit pointer. */
1860	typedef const RTFAR64 RT_FAR *PCRTFAR64;
1861
1862	/** @} */
1863
1864
1865	/** @defgroup grp_rt_types_hc Host Context Basic Types
1866	* @{
1867	*/
1868
1869	/** HC Natural signed integer.
1870	* @deprecated silly type. */
1871	typedef int32_t RTHCINT;
1872	/** Pointer to HC Natural signed integer.
1873	* @deprecated silly type. */
1874	typedef RTHCINT RT_FAR *PRTHCINT;
1875	/** Pointer to const HC Natural signed integer.
1876	* @deprecated silly type. */
1877	typedef const RTHCINT RT_FAR *PCRTHCINT;
1878
1879	/** HC Natural unsigned integer.
1880	* @deprecated silly type. */
1881	typedef uint32_t RTHCUINT;
1882	/** Pointer to HC Natural unsigned integer.
1883	* @deprecated silly type. */
1884	typedef RTHCUINT RT_FAR *PRTHCUINT;
1885	/** Pointer to const HC Natural unsigned integer.
1886	* @deprecated silly type. */
1887	typedef const RTHCUINT RT_FAR *PCRTHCUINT;
1888
1889
1890	/** Signed integer which can contain a HC pointer. */
1891	#if HC_ARCH_BITS == 32 \|\| HC_ARCH_BITS == 16
1892	typedef int32_t RTHCINTPTR;
1893	#elif HC_ARCH_BITS == 64
1894	typedef int64_t RTHCINTPTR;
1895	#else
1896	# error Unsupported HC_ARCH_BITS value.
1897	#endif
1898	/** Pointer to signed integer which can contain a HC pointer. */
1899	typedef RTHCINTPTR RT_FAR *PRTHCINTPTR;
1900	/** Pointer to const signed integer which can contain a HC pointer. */
1901	typedef const RTHCINTPTR RT_FAR *PCRTHCINTPTR;
1902	/** Max RTHCINTPTR value. */
1903	#if HC_ARCH_BITS == 32
1904	# define RTHCINTPTR_MAX INT32_MAX
1905	#elif HC_ARCH_BITS == 64
1906	# define RTHCINTPTR_MAX INT64_MAX
1907	#else
1908	# define RTHCINTPTR_MAX INT16_MAX
1909	#endif
1910	/** Min RTHCINTPTR value. */
1911	#if HC_ARCH_BITS == 32
1912	# define RTHCINTPTR_MIN INT32_MIN
1913	#elif HC_ARCH_BITS == 64
1914	# define RTHCINTPTR_MIN INT64_MIN
1915	#else
1916	# define RTHCINTPTR_MIN INT16_MIN
1917	#endif
1918
1919	/** Signed integer which can contain a HC ring-3 pointer. */
1920	#if R3_ARCH_BITS == 32 \|\| R3_ARCH_BITS == 16
1921	typedef int32_t RTR3INTPTR;
1922	#elif R3_ARCH_BITS == 64
1923	typedef int64_t RTR3INTPTR;
1924	#else
1925	# error Unsupported R3_ARCH_BITS value.
1926	#endif
1927	/** Pointer to signed integer which can contain a HC ring-3 pointer. */
1928	typedef RTR3INTPTR RT_FAR *PRTR3INTPTR;
1929	/** Pointer to const signed integer which can contain a HC ring-3 pointer. */
1930	typedef const RTR3INTPTR RT_FAR *PCRTR3INTPTR;
1931	/** Max RTR3INTPTR value. */
1932	#if R3_ARCH_BITS == 32 \|\| R3_ARCH_BITS == 16
1933	# define RTR3INTPTR_MAX INT32_MAX
1934	#else
1935	# define RTR3INTPTR_MAX INT64_MAX
1936	#endif
1937	/** Min RTR3INTPTR value. */
1938	#if R3_ARCH_BITS == 32 \|\| R3_ARCH_BITS == 16
1939	# define RTR3INTPTR_MIN INT32_MIN
1940	#else
1941	# define RTR3INTPTR_MIN INT64_MIN
1942	#endif
1943
1944	/** Signed integer which can contain a HC ring-0 pointer. */
1945	#if R0_ARCH_BITS == 32 \|\| R0_ARCH_BITS == 16
1946	typedef int32_t RTR0INTPTR;
1947	#elif R0_ARCH_BITS == 64
1948	typedef int64_t RTR0INTPTR;
1949	#else
1950	# error Unsupported R0_ARCH_BITS value.
1951	#endif
1952	/** Pointer to signed integer which can contain a HC ring-0 pointer. */
1953	typedef RTR0INTPTR RT_FAR *PRTR0INTPTR;
1954	/** Pointer to const signed integer which can contain a HC ring-0 pointer. */
1955	typedef const RTR0INTPTR RT_FAR *PCRTR0INTPTR;
1956	/** Max RTR0INTPTR value. */
1957	#if R0_ARCH_BITS == 32 \|\| R0_ARCH_BITS == 16
1958	# define RTR0INTPTR_MAX INT32_MAX
1959	#else
1960	# define RTR0INTPTR_MAX INT64_MAX
1961	#endif
1962	/** Min RTHCINTPTR value. */
1963	#if R0_ARCH_BITS == 32 \|\| R0_ARCH_BITS == 16
1964	# define RTR0INTPTR_MIN INT32_MIN
1965	#else
1966	# define RTR0INTPTR_MIN INT64_MIN
1967	#endif
1968
1969
1970	/** Unsigned integer which can contain a HC pointer. */
1971	#if HC_ARCH_BITS == 32 \|\| HC_ARCH_BITS == 16
1972	typedef uint32_t RTHCUINTPTR;
1973	#elif HC_ARCH_BITS == 64
1974	typedef uint64_t RTHCUINTPTR;
1975	#else
1976	# error Unsupported HC_ARCH_BITS value.
1977	#endif
1978	/** Pointer to unsigned integer which can contain a HC pointer. */
1979	typedef RTHCUINTPTR RT_FAR *PRTHCUINTPTR;
1980	/** Pointer to unsigned integer which can contain a HC pointer. */
1981	typedef const RTHCUINTPTR RT_FAR *PCRTHCUINTPTR;
1982	/** Max RTHCUINTTPR value. */
1983	#if HC_ARCH_BITS == 32 \|\| HC_ARCH_BITS == 16
1984	# define RTHCUINTPTR_MAX UINT32_MAX
1985	#else
1986	# define RTHCUINTPTR_MAX UINT64_MAX
1987	#endif
1988
1989	/** Unsigned integer which can contain a HC ring-3 pointer. */
1990	#if R3_ARCH_BITS == 32 \|\| R3_ARCH_BITS == 16
1991	typedef uint32_t RTR3UINTPTR;
1992	#elif R3_ARCH_BITS == 64
1993	typedef uint64_t RTR3UINTPTR;
1994	#else
1995	# error Unsupported R3_ARCH_BITS value.
1996	#endif
1997	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
1998	typedef RTR3UINTPTR RT_FAR *PRTR3UINTPTR;
1999	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
2000	typedef const RTR3UINTPTR RT_FAR *PCRTR3UINTPTR;
2001	/** Max RTHCUINTTPR value. */
2002	#if R3_ARCH_BITS == 32 \|\| R3_ARCH_BITS == 16
2003	# define RTR3UINTPTR_MAX UINT32_MAX
2004	#else
2005	# define RTR3UINTPTR_MAX UINT64_MAX
2006	#endif
2007
2008	/** Unsigned integer which can contain a HC ring-0 pointer. */
2009	#if R0_ARCH_BITS == 32 \|\| R0_ARCH_BITS == 16
2010	typedef uint32_t RTR0UINTPTR;
2011	#elif R0_ARCH_BITS == 64
2012	typedef uint64_t RTR0UINTPTR;
2013	#else
2014	# error Unsupported R0_ARCH_BITS value.
2015	#endif
2016	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
2017	typedef RTR0UINTPTR RT_FAR *PRTR0UINTPTR;
2018	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
2019	typedef const RTR0UINTPTR RT_FAR *PCRTR0UINTPTR;
2020	/** Max RTR0UINTTPR value. */
2021	#if R0_ARCH_BITS == 32 \|\| R0_ARCH_BITS == 16
2022	# define RTR0UINTPTR_MAX UINT32_MAX
2023	#else
2024	# define RTR0UINTPTR_MAX UINT64_MAX
2025	#endif
2026
2027
2028	/** Host Physical Memory Address. */
2029	typedef uint64_t RTHCPHYS;
2030	/** Pointer to Host Physical Memory Address. */
2031	typedef RTHCPHYS RT_FAR *PRTHCPHYS;
2032	/** Pointer to const Host Physical Memory Address. */
2033	typedef const RTHCPHYS RT_FAR *PCRTHCPHYS;
2034	/** @def NIL_RTHCPHYS
2035	* NIL HC Physical Address.
2036	* NIL_RTHCPHYS is used to signal an invalid physical address, similar
2037	* to the NULL pointer.
2038	*/
2039	#define NIL_RTHCPHYS (~(RTHCPHYS)0)
2040	/** Max RTHCPHYS value. */
2041	#define RTHCPHYS_MAX UINT64_MAX
2042
2043
2044	/** HC pointer. */
2045	#if !defined(IN_RC) \|\| defined(DOXYGEN_RUNNING)
2046	typedef void RT_FAR *RTHCPTR;
2047	#else
2048	typedef RTHCUINTPTR RTHCPTR;
2049	#endif
2050	/** Pointer to HC pointer. */
2051	typedef RTHCPTR RT_FAR *PRTHCPTR;
2052	/** Pointer to const HC pointer. */
2053	typedef const RTHCPTR *PCRTHCPTR;
2054	/** @def NIL_RTHCPTR
2055	* NIL HC pointer.
2056	*/
2057	#define NIL_RTHCPTR ((RTHCPTR)0)
2058	/** Max RTHCPTR value. */
2059	#define RTHCPTR_MAX ((RTHCPTR)RTHCUINTPTR_MAX)
2060
2061
2062	/** HC ring-3 pointer. */
2063	#ifdef IN_RING3
2064	typedef void RT_FAR *RTR3PTR;
2065	#else
2066	typedef RTR3UINTPTR RTR3PTR;
2067	#endif
2068	/** Pointer to HC ring-3 pointer. */
2069	typedef RTR3PTR RT_FAR *PRTR3PTR;
2070	/** Pointer to const HC ring-3 pointer. */
2071	typedef const RTR3PTR *PCRTR3PTR;
2072	/** @def NIL_RTR3PTR
2073	* NIL HC ring-3 pointer.
2074	*/
2075	#ifndef IN_RING3
2076	# define NIL_RTR3PTR ((RTR3PTR)0)
2077	#else
2078	# define NIL_RTR3PTR (NULL)
2079	#endif
2080	/** Max RTR3PTR value. */
2081	#define RTR3PTR_MAX ((RTR3PTR)RTR3UINTPTR_MAX)
2082
2083	/** HC ring-0 pointer. */
2084	#ifdef IN_RING0
2085	typedef void RT_FAR *RTR0PTR;
2086	#else
2087	typedef RTR0UINTPTR RTR0PTR;
2088	#endif
2089	/** Pointer to HC ring-0 pointer. */
2090	typedef RTR0PTR RT_FAR *PRTR0PTR;
2091	/** Pointer to const HC ring-0 pointer. */
2092	typedef const RTR0PTR *PCRTR0PTR;
2093	/** @def NIL_RTR0PTR
2094	* NIL HC ring-0 pointer.
2095	*/
2096	#ifndef IN_RING0
2097	# define NIL_RTR0PTR ((RTR0PTR)0)
2098	#else
2099	# define NIL_RTR0PTR (NULL)
2100	#endif
2101	/** Max RTR3PTR value. */
2102	#define RTR0PTR_MAX ((RTR0PTR)RTR0UINTPTR_MAX)
2103
2104
2105	/** Unsigned integer register in the host context. */
2106	#if HC_ARCH_BITS == 32
2107	typedef uint32_t RTHCUINTREG;
2108	#elif HC_ARCH_BITS == 64
2109	typedef uint64_t RTHCUINTREG;
2110	#elif HC_ARCH_BITS == 16
2111	typedef uint16_t RTHCUINTREG;
2112	#else
2113	# error "Unsupported HC_ARCH_BITS!"
2114	#endif
2115	/** Pointer to an unsigned integer register in the host context. */
2116	typedef RTHCUINTREG RT_FAR *PRTHCUINTREG;
2117	/** Pointer to a const unsigned integer register in the host context. */
2118	typedef const RTHCUINTREG RT_FAR *PCRTHCUINTREG;
2119
2120	/** Unsigned integer register in the host ring-3 context. */
2121	#if R3_ARCH_BITS == 32
2122	typedef uint32_t RTR3UINTREG;
2123	#elif R3_ARCH_BITS == 64
2124	typedef uint64_t RTR3UINTREG;
2125	#elif R3_ARCH_BITS == 16
2126	typedef uint16_t RTR3UINTREG;
2127	#else
2128	# error "Unsupported R3_ARCH_BITS!"
2129	#endif
2130	/** Pointer to an unsigned integer register in the host ring-3 context. */
2131	typedef RTR3UINTREG RT_FAR *PRTR3UINTREG;
2132	/** Pointer to a const unsigned integer register in the host ring-3 context. */
2133	typedef const RTR3UINTREG RT_FAR *PCRTR3UINTREG;
2134
2135	/** Unsigned integer register in the host ring-3 context. */
2136	#if R0_ARCH_BITS == 32
2137	typedef uint32_t RTR0UINTREG;
2138	#elif R0_ARCH_BITS == 64
2139	typedef uint64_t RTR0UINTREG;
2140	#elif R0_ARCH_BITS == 16
2141	typedef uint16_t RTR0UINTREG;
2142	#else
2143	# error "Unsupported R3_ARCH_BITS!"
2144	#endif
2145	/** Pointer to an unsigned integer register in the host ring-3 context. */
2146	typedef RTR0UINTREG RT_FAR *PRTR0UINTREG;
2147	/** Pointer to a const unsigned integer register in the host ring-3 context. */
2148	typedef const RTR0UINTREG RT_FAR *PCRTR0UINTREG;
2149
2150	/** @} */
2151
2152
2153	/** @defgroup grp_rt_types_gc Guest Context Basic Types
2154	* @{
2155	*/
2156
2157	/** Natural signed integer in the GC.
2158	* @deprecated silly type. */
2159	#if GC_ARCH_BITS == 32
2160	typedef int32_t RTGCINT;
2161	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCINT. */
2162	typedef int64_t RTGCINT;
2163	#endif
2164	/** Pointer to natural signed integer in GC.
2165	* @deprecated silly type. */
2166	typedef RTGCINT RT_FAR *PRTGCINT;
2167	/** Pointer to const natural signed integer in GC.
2168	* @deprecated silly type. */
2169	typedef const RTGCINT RT_FAR *PCRTGCINT;
2170
2171	/** Natural unsigned integer in the GC.
2172	* @deprecated silly type. */
2173	#if GC_ARCH_BITS == 32
2174	typedef uint32_t RTGCUINT;
2175	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCUINT. */
2176	typedef uint64_t RTGCUINT;
2177	#endif
2178	/** Pointer to natural unsigned integer in GC.
2179	* @deprecated silly type. */
2180	typedef RTGCUINT RT_FAR *PRTGCUINT;
2181	/** Pointer to const natural unsigned integer in GC.
2182	* @deprecated silly type. */
2183	typedef const RTGCUINT RT_FAR *PCRTGCUINT;
2184
2185	/** Signed integer which can contain a GC pointer. */
2186	#if GC_ARCH_BITS == 32
2187	typedef int32_t RTGCINTPTR;
2188	#elif GC_ARCH_BITS == 64
2189	typedef int64_t RTGCINTPTR;
2190	#endif
2191	/** Pointer to signed integer which can contain a GC pointer. */
2192	typedef RTGCINTPTR RT_FAR *PRTGCINTPTR;
2193	/** Pointer to const signed integer which can contain a GC pointer. */
2194	typedef const RTGCINTPTR RT_FAR *PCRTGCINTPTR;
2195
2196	/** Unsigned integer which can contain a GC pointer. */
2197	#if GC_ARCH_BITS == 32
2198	typedef uint32_t RTGCUINTPTR;
2199	#elif GC_ARCH_BITS == 64
2200	typedef uint64_t RTGCUINTPTR;
2201	#else
2202	# error Unsupported GC_ARCH_BITS value.
2203	#endif
2204	/** Pointer to unsigned integer which can contain a GC pointer. */
2205	typedef RTGCUINTPTR RT_FAR *PRTGCUINTPTR;
2206	/** Pointer to unsigned integer which can contain a GC pointer. */
2207	typedef const RTGCUINTPTR RT_FAR *PCRTGCUINTPTR;
2208
2209	/** Unsigned integer which can contain a 32 bits GC pointer. */
2210	typedef uint32_t RTGCUINTPTR32;
2211	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
2212	typedef RTGCUINTPTR32 RT_FAR *PRTGCUINTPTR32;
2213	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
2214	typedef const RTGCUINTPTR32 RT_FAR *PCRTGCUINTPTR32;
2215
2216	/** Unsigned integer which can contain a 64 bits GC pointer. */
2217	typedef uint64_t RTGCUINTPTR64;
2218	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
2219	typedef RTGCUINTPTR64 RT_FAR *PRTGCUINTPTR64;
2220	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
2221	typedef const RTGCUINTPTR64 RT_FAR *PCRTGCUINTPTR64;
2222
2223	/** Guest Physical Memory Address.*/
2224	typedef uint64_t RTGCPHYS;
2225	/** Pointer to Guest Physical Memory Address. */
2226	typedef RTGCPHYS RT_FAR *PRTGCPHYS;
2227	/** Pointer to const Guest Physical Memory Address. */
2228	typedef const RTGCPHYS RT_FAR *PCRTGCPHYS;
2229	/** @def NIL_RTGCPHYS
2230	* NIL GC Physical Address.
2231	* NIL_RTGCPHYS is used to signal an invalid physical address, similar
2232	* to the NULL pointer. Note that this value may actually be valid in
2233	* some contexts.
2234	*/
2235	#define NIL_RTGCPHYS (~(RTGCPHYS)0U)
2236	/** Max guest physical memory address value. */
2237	#define RTGCPHYS_MAX UINT64_MAX
2238
2239
2240	/** Guest Physical Memory Address; limited to 32 bits.*/
2241	typedef uint32_t RTGCPHYS32;
2242	/** Pointer to Guest Physical Memory Address. */
2243	typedef RTGCPHYS32 RT_FAR *PRTGCPHYS32;
2244	/** Pointer to const Guest Physical Memory Address. */
2245	typedef const RTGCPHYS32 RT_FAR *PCRTGCPHYS32;
2246	/** @def NIL_RTGCPHYS32
2247	* NIL GC Physical Address.
2248	* NIL_RTGCPHYS32 is used to signal an invalid physical address, similar
2249	* to the NULL pointer. Note that this value may actually be valid in
2250	* some contexts.
2251	*/
2252	#define NIL_RTGCPHYS32 (~(RTGCPHYS32)0)
2253
2254
2255	/** Guest Physical Memory Address; limited to 64 bits.*/
2256	typedef uint64_t RTGCPHYS64;
2257	/** Pointer to Guest Physical Memory Address. */
2258	typedef RTGCPHYS64 RT_FAR *PRTGCPHYS64;
2259	/** Pointer to const Guest Physical Memory Address. */
2260	typedef const RTGCPHYS64 RT_FAR *PCRTGCPHYS64;
2261	/** @def NIL_RTGCPHYS64
2262	* NIL GC Physical Address.
2263	* NIL_RTGCPHYS64 is used to signal an invalid physical address, similar
2264	* to the NULL pointer. Note that this value may actually be valid in
2265	* some contexts.
2266	*/
2267	#define NIL_RTGCPHYS64 (~(RTGCPHYS64)0)
2268
2269	/** Guest context pointer, 32 bits.
2270	* Keep in mind that this type is an unsigned integer in
2271	* HC and void pointer in GC.
2272	*/
2273	typedef RTGCUINTPTR32 RTGCPTR32;
2274	/** Pointer to a guest context pointer. */
2275	typedef RTGCPTR32 RT_FAR *PRTGCPTR32;
2276	/** Pointer to a const guest context pointer. */
2277	typedef const RTGCPTR32 RT_FAR *PCRTGCPTR32;
2278	/** @def NIL_RTGCPTR32
2279	* NIL GC pointer.
2280	*/
2281	#define NIL_RTGCPTR32 ((RTGCPTR32)0)
2282
2283	/** Guest context pointer, 64 bits.
2284	*/
2285	typedef RTGCUINTPTR64 RTGCPTR64;
2286	/** Pointer to a guest context pointer. */
2287	typedef RTGCPTR64 RT_FAR *PRTGCPTR64;
2288	/** Pointer to a const guest context pointer. */
2289	typedef const RTGCPTR64 RT_FAR *PCRTGCPTR64;
2290	/** @def NIL_RTGCPTR64
2291	* NIL GC pointer.
2292	*/
2293	#define NIL_RTGCPTR64 ((RTGCPTR64)0)
2294
2295	/** @typedef RTGCPTR
2296	* Guest context pointer.
2297	* Keep in mind that this type is an unsigned integer in HC and void pointer in GC. */
2298	/** @typedef PRTGCPTR
2299	* Pointer to a guest context pointer. */
2300	/** @typedef PCRTGCPTR
2301	* Pointer to a const guest context pointer. */
2302	/** @def NIL_RTGCPTR
2303	* NIL GC pointer. */
2304	/** @def RTGCPTR_MAX
2305	* Max RTGCPTR value. */
2306	#if GC_ARCH_BITS == 64 \|\| defined(DOXYGEN_RUNNING)
2307	typedef RTGCPTR64 RTGCPTR;
2308	typedef PRTGCPTR64 PRTGCPTR;
2309	typedef PCRTGCPTR64 PCRTGCPTR;
2310	# define NIL_RTGCPTR NIL_RTGCPTR64
2311	# define RTGCPTR_MAX UINT64_MAX
2312	#elif GC_ARCH_BITS == 32
2313	typedef RTGCPTR32 RTGCPTR;
2314	typedef PRTGCPTR32 PRTGCPTR;
2315	typedef PCRTGCPTR32 PCRTGCPTR;
2316	# define NIL_RTGCPTR NIL_RTGCPTR32
2317	# define RTGCPTR_MAX UINT32_MAX
2318	#else
2319	# error "Unsupported GC_ARCH_BITS!"
2320	#endif
2321
2322	/** Unsigned integer register in the guest context. */
2323	typedef uint32_t RTGCUINTREG32;
2324	/** Pointer to an unsigned integer register in the guest context. */
2325	typedef RTGCUINTREG32 RT_FAR *PRTGCUINTREG32;
2326	/** Pointer to a const unsigned integer register in the guest context. */
2327	typedef const RTGCUINTREG32 RT_FAR *PCRTGCUINTREG32;
2328
2329	typedef uint64_t RTGCUINTREG64;
2330	/** Pointer to an unsigned integer register in the guest context. */
2331	typedef RTGCUINTREG64 RT_FAR *PRTGCUINTREG64;
2332	/** Pointer to a const unsigned integer register in the guest context. */
2333	typedef const RTGCUINTREG64 RT_FAR *PCRTGCUINTREG64;
2334
2335	#if GC_ARCH_BITS == 64
2336	typedef RTGCUINTREG64 RTGCUINTREG;
2337	#elif GC_ARCH_BITS == 32
2338	typedef RTGCUINTREG32 RTGCUINTREG;
2339	#else
2340	# error "Unsupported GC_ARCH_BITS!"
2341	#endif
2342	/** Pointer to an unsigned integer register in the guest context. */
2343	typedef RTGCUINTREG RT_FAR *PRTGCUINTREG;
2344	/** Pointer to a const unsigned integer register in the guest context. */
2345	typedef const RTGCUINTREG RT_FAR *PCRTGCUINTREG;
2346
2347	/** @} */
2348
2349	/** @defgroup grp_rt_types_rc Raw mode Context Basic Types
2350	* @{
2351	*/
2352
2353	/** Raw mode context pointer; a 32 bits guest context pointer.
2354	* Keep in mind that this type is an unsigned integer in
2355	* HC and void pointer in RC.
2356	*/
2357	#ifdef IN_RC
2358	typedef void RT_FAR *RTRCPTR;
2359	#else
2360	typedef uint32_t RTRCPTR;
2361	#endif
2362	/** Pointer to a raw mode context pointer. */
2363	typedef RTRCPTR RT_FAR *PRTRCPTR;
2364	/** Pointer to a const raw mode context pointer. */
2365	typedef const RTRCPTR RT_FAR *PCRTRCPTR;
2366	/** @def NIL_RTRCPTR
2367	* NIL RC pointer. */
2368	#ifdef IN_RC
2369	# define NIL_RTRCPTR (NULL)
2370	#else
2371	# define NIL_RTRCPTR ((RTRCPTR)0)
2372	#endif
2373	/** @def RTRCPTR_MAX
2374	* The maximum value a RTRCPTR can have. Mostly used as INVALID value.
2375	*/
2376	#define RTRCPTR_MAX ((RTRCPTR)UINT32_MAX)
2377
2378	/** Raw mode context pointer, unsigned integer variant. */
2379	typedef int32_t RTRCINTPTR;
2380	/** @def RTRCUINTPTR_MAX
2381	* The maximum value a RTRCUINPTR can have.
2382	*/
2383	#define RTRCUINTPTR_MAX ((RTRCUINTPTR)UINT32_MAX)
2384
2385	/** Raw mode context pointer, signed integer variant. */
2386	typedef uint32_t RTRCUINTPTR;
2387	/** @def RTRCINTPTR_MIN
2388	* The minimum value a RTRCINPTR can have.
2389	*/
2390	#define RTRCINTPTR_MIN ((RTRCINTPTR)INT32_MIN)
2391	/** @def RTRCINTPTR_MAX
2392	* The maximum value a RTRCINPTR can have.
2393	*/
2394	#define RTRCINTPTR_MAX ((RTRCINTPTR)INT32_MAX)
2395
2396	/* The following are only temporarily while we clean up RTRCPTR usage: */
2397	#ifdef IN_RC
2398	typedef void RT_FAR *RTRGPTR;
2399	#else
2400	typedef uint64_t RTRGPTR;
2401	#endif
2402	typedef RTRGPTR RT_FAR *PRTRGPTR;
2403	typedef const RTRGPTR RT_FAR *PCRTRGPTR;
2404	#ifdef IN_RC
2405	# define NIL_RTRGPTR (NULL)
2406	#else
2407	# define NIL_RTRGPTR ((RTRGPTR)0)
2408	#endif
2409
2410	/** @} */
2411
2412
2413	/** @defgroup grp_rt_types_cc Current Context Basic Types
2414	* @{
2415	*/
2416
2417	/** Current Context Physical Memory Address.*/
2418	#ifdef IN_RC
2419	typedef RTGCPHYS RTCCPHYS;
2420	#else
2421	typedef RTHCPHYS RTCCPHYS;
2422	#endif
2423	/** Pointer to Current Context Physical Memory Address. */
2424	typedef RTCCPHYS RT_FAR *PRTCCPHYS;
2425	/** Pointer to const Current Context Physical Memory Address. */
2426	typedef const RTCCPHYS RT_FAR *PCRTCCPHYS;
2427	/** @def NIL_RTCCPHYS
2428	* NIL CC Physical Address.
2429	* NIL_RTCCPHYS is used to signal an invalid physical address, similar
2430	* to the NULL pointer.
2431	*/
2432	#ifdef IN_RC
2433	# define NIL_RTCCPHYS NIL_RTGCPHYS
2434	#else
2435	# define NIL_RTCCPHYS NIL_RTHCPHYS
2436	#endif
2437
2438	/** Unsigned integer register in the current context. */
2439	#if ARCH_BITS == 32
2440	typedef uint32_t RTCCUINTREG;
2441	#elif ARCH_BITS == 64
2442	typedef uint64_t RTCCUINTREG;
2443	#elif ARCH_BITS == 16
2444	typedef uint16_t RTCCUINTREG;
2445	#else
2446	# error "Unsupported ARCH_BITS!"
2447	#endif
2448	/** Pointer to an unsigned integer register in the current context. */
2449	typedef RTCCUINTREG RT_FAR *PRTCCUINTREG;
2450	/** Pointer to a const unsigned integer register in the current context. */
2451	typedef RTCCUINTREG const RT_FAR *PCRTCCUINTREG;
2452
2453	/** Signed integer register in the current context. */
2454	#if ARCH_BITS == 32
2455	typedef int32_t RTCCINTREG;
2456	#elif ARCH_BITS == 64
2457	typedef int64_t RTCCINTREG;
2458	#elif ARCH_BITS == 16
2459	typedef int16_t RTCCINTREG;
2460	#endif
2461	/** Pointer to a signed integer register in the current context. */
2462	typedef RTCCINTREG RT_FAR *PRTCCINTREG;
2463	/** Pointer to a const signed integer register in the current context. */
2464	typedef RTCCINTREG const RT_FAR *PCRTCCINTREG;
2465
2466	/** Unsigned integer register in the current context.
2467	* @remarks This is for dealing with EAX in 16-bit mode. */
2468	#if ARCH_BITS == 16 && defined(RT_ARCH_X86)
2469	typedef uint32_t RTCCUINTXREG;
2470	#else
2471	typedef RTCCUINTREG RTCCUINTXREG;
2472	#endif
2473	/** Pointer to an unsigned integer register in the current context. */
2474	typedef RTCCUINTREG RT_FAR *PRTCCUINTXREG;
2475	/** Pointer to a const unsigned integer register in the current context. */
2476	typedef RTCCUINTREG const RT_FAR *PCRTCCUINTXREG;
2477
2478	/** Signed integer extended register in the current context.
2479	* @remarks This is for dealing with EAX in 16-bit mode. */
2480	#if ARCH_BITS == 16 && defined(RT_ARCH_X86)
2481	typedef int32_t RTCCINTXREG;
2482	#else
2483	typedef RTCCINTREG RTCCINTXREG;
2484	#endif
2485	/** Pointer to a signed integer extended register in the current context. */
2486	typedef RTCCINTXREG RT_FAR *PRTCCINTXREG;
2487	/** Pointer to a const signed integer extended register in the current
2488	* context. */
2489	typedef RTCCINTXREG const RT_FAR *PCRTCCINTXREG;
2490
2491	/** @def RTCCUINTREG_C
2492	* Defines a constant of RTCCUINTREG type.
2493	* @param a_Value Constant value */
2494	/** @def RTCCUINTREG_MAX
2495	* Max value that RTCCUINTREG can hold. */
2496	/** @def RTCCUINTREG_FMT
2497	* Generic IPRT format specifier for RTCCUINTREG. */
2498	/** @def RTCCUINTREG_XFMT
2499	* Generic IPRT format specifier for RTCCUINTREG, hexadecimal. */
2500	/** @def RTCCINTREG_C
2501	* Defines a constant of RTCCINTREG type.
2502	* @param a_Value Constant value */
2503	/** @def RTCCINTREG_MAX
2504	* Max value that RTCCINTREG can hold. */
2505	/** @def RTCCINTREG_MIN
2506	* Min value that RTCCINTREG can hold. */
2507	/** @def RTCCINTREG_XFMT
2508	* Generic IPRT format specifier for RTCCINTREG, hexadecimal. */
2509	#if ARCH_BITS == 32
2510	# define RTCCUINTREG_C(a_Value) UINT32_C(a_Value)
2511	# define RTCCUINTREG_MAX UINT32_MAX
2512	# define RTCCUINTREG_FMT "RU32"
2513	# define RTCCUINTREG_XFMT "RX32"
2514	# define RTCCINTREG_C(a_Value) INT32_C(a_Value)
2515	# define RTCCINTREG_MAX INT32_MAX
2516	# define RTCCINTREG_MIN INT32_MIN
2517	# define RTCCINTREG_FMT "RI32"
2518	# define RTCCINTREG_XFMT "RX32"
2519	#elif ARCH_BITS == 64
2520	# define RTCCUINTREG_C(a_Value) UINT64_C(a_Value)
2521	# define RTCCUINTREG_MAX UINT64_MAX
2522	# define RTCCUINTREG_FMT "RU64"
2523	# define RTCCUINTREG_XFMT "RX64"
2524	# define RTCCINTREG_C(a_Value) INT64_C(a_Value)
2525	# define RTCCINTREG_MAX INT64_MAX
2526	# define RTCCINTREG_MIN INT64_MIN
2527	# define RTCCINTREG_FMT "RI64"
2528	# define RTCCINTREG_XFMT "RX64"
2529	#elif ARCH_BITS == 16
2530	# define RTCCUINTREG_C(a_Value) UINT16_C(a_Value)
2531	# define RTCCUINTREG_MAX UINT16_MAX
2532	# define RTCCUINTREG_FMT "RU16"
2533	# define RTCCUINTREG_XFMT "RX16"
2534	# define RTCCINTREG_C(a_Value) INT16_C(a_Value)
2535	# define RTCCINTREG_MAX INT16_MAX
2536	# define RTCCINTREG_MIN INT16_MIN
2537	# define RTCCINTREG_FMT "RI16"
2538	# define RTCCINTREG_XFMT "RX16"
2539	#else
2540	# error "Unsupported ARCH_BITS!"
2541	#endif
2542	/** @def RTCCUINTXREG_C
2543	* Defines a constant of RTCCUINTXREG type.
2544	* @param a_Value Constant value */
2545	/** @def RTCCUINTXREG_MAX
2546	* Max value that RTCCUINTXREG can hold. */
2547	/** @def RTCCUINTXREG_FMT
2548	* Generic IPRT format specifier for RTCCUINTXREG. */
2549	/** @def RTCCUINTXREG_XFMT
2550	* Generic IPRT format specifier for RTCCUINTXREG, hexadecimal. */
2551	/** @def RTCCINTXREG_C
2552	* Defines a constant of RTCCINTXREG type.
2553	* @param a_Value Constant value */
2554	/** @def RTCCINTXREG_MAX
2555	* Max value that RTCCINTXREG can hold. */
2556	/** @def RTCCINTXREG_MIN
2557	* Min value that RTCCINTXREG can hold. */
2558	/** @def RTCCINTXREG_FMT
2559	* Generic IPRT format specifier for RTCCINTXREG. */
2560	/** @def RTCCINTXREG_XFMT
2561	* Generic IPRT format specifier for RTCCINTXREG, hexadecimal. */
2562	#if ARCH_BITS == 16 && defined(RT_ARCH_X86)
2563	# define RTCCUINTXREG_C(a_Value) UINT32_C(a_Value)
2564	# define RTCCUINTXREG_MAX UINT32_MAX
2565	# define RTCCUINTXREG_FMT "RU32"
2566	# define RTCCUINTXREG_XFMT "RX32"
2567	# define RTCCINTXREG_C(a_Value) INT32_C(a_Value)
2568	# define RTCCINTXREG_MAX INT32_MAX
2569	# define RTCCINTXREG_MIN INT32_MIN
2570	# define RTCCINTXREG_FMT "RI32"
2571	# define RTCCINTXREG_XFMT "RX32"
2572	#else
2573	# define RTCCUINTXREG_C(a_Value) RTCCUINTREG_C(a_Value)
2574	# define RTCCUINTXREG_MAX RTCCUINTREG_MAX
2575	# define RTCCUINTXREG_FMT RTCCUINTREG_FMT
2576	# define RTCCUINTXREG_XFMT RTCCUINTREG_XFMT
2577	# define RTCCINTXREG_C(a_Value) RTCCINTREG_C(a_Value)
2578	# define RTCCINTXREG_MAX RTCCINTREG_MAX
2579	# define RTCCINTXREG_MIN RTCCINTREG_MIN
2580	# define RTCCINTXREG_FMT RTCCINTREG_FMT
2581	# define RTCCINTXREG_XFMT RTCCINTREG_XFMT
2582	#endif
2583	/** @} */
2584
2585
2586
2587	/** Pointer to a big integer number. */
2588	typedef struct RTBIGNUM RT_FAR *PRTBIGNUM;
2589	/** Pointer to a const big integer number. */
2590	typedef struct RTBIGNUM const RT_FAR *PCRTBIGNUM;
2591
2592
2593	/** Pointer to a critical section. */
2594	typedef struct RTCRITSECT RT_FAR *PRTCRITSECT;
2595	/** Pointer to a const critical section. */
2596	typedef const struct RTCRITSECT RT_FAR *PCRTCRITSECT;
2597
2598	/** Pointer to a read/write critical section. */
2599	typedef struct RTCRITSECTRW RT_FAR *PRTCRITSECTRW;
2600	/** Pointer to a const read/write critical section. */
2601	typedef const struct RTCRITSECTRW RT_FAR *PCRTCRITSECTRW;
2602
2603
2604	/** Condition variable handle. */
2605	typedef R3PTRTYPE(struct RTCONDVARINTERNAL RT_FAR *) RTCONDVAR;
2606	/** Pointer to a condition variable handle. */
2607	typedef RTCONDVAR RT_FAR *PRTCONDVAR;
2608	/** Nil condition variable handle. */
2609	#define NIL_RTCONDVAR 0
2610
2611	/** Cryptographic (certificate) store handle. */
2612	typedef R3R0PTRTYPE(struct RTCRSTOREINT RT_FAR *) RTCRSTORE;
2613	/** Pointer to a Cryptographic (certificate) store handle. */
2614	typedef RTCRSTORE RT_FAR *PRTCRSTORE;
2615	/** Nil Cryptographic (certificate) store handle. */
2616	#define NIL_RTCRSTORE 0
2617
2618	/** Pointer to a const (store) certificate context. */
2619	typedef struct RTCRCERTCTX const RT_FAR *PCRTCRCERTCTX;
2620
2621	/** Cryptographic message digest handle. */
2622	typedef R3R0PTRTYPE(struct RTCRDIGESTINT RT_FAR *) RTCRDIGEST;
2623	/** Pointer to a cryptographic message digest handle. */
2624	typedef RTCRDIGEST RT_FAR *PRTCRDIGEST;
2625	/** NIL cryptographic message digest handle. */
2626	#define NIL_RTCRDIGEST (0)
2627
2628	/** Cryptographic key handle. */
2629	typedef R3R0PTRTYPE(struct RTCRKEYINT RT_FAR *) RTCRKEY;
2630	/** Pointer to a cryptographic key handle. */
2631	typedef RTCRKEY RT_FAR *PRTCRKEY;
2632	/** Cryptographic key handle nil value. */
2633	#define NIL_RTCRKEY (0)
2634
2635	/** Public key encryption schema handle. */
2636	typedef R3R0PTRTYPE(struct RTCRPKIXENCRYPTIONINT RT_FAR *) RTCRPKIXENCRYPTION;
2637	/** Pointer to a public key encryption schema handle. */
2638	typedef RTCRPKIXENCRYPTION RT_FAR *PRTCRPKIXENCRYPTION;
2639	/** NIL public key encryption schema handle */
2640	#define NIL_RTCRPKIXENCRYPTION (0)
2641
2642	/** Public key signature schema handle. */
2643	typedef R3R0PTRTYPE(struct RTCRPKIXSIGNATUREINT RT_FAR *) RTCRPKIXSIGNATURE;
2644	/** Pointer to a public key signature schema handle. */
2645	typedef RTCRPKIXSIGNATURE RT_FAR *PRTCRPKIXSIGNATURE;
2646	/** NIL public key signature schema handle */
2647	#define NIL_RTCRPKIXSIGNATURE (0)
2648
2649	/** X.509 certificate paths builder & validator handle. */
2650	typedef R3R0PTRTYPE(struct RTCRX509CERTPATHSINT RT_FAR *) RTCRX509CERTPATHS;
2651	/** Pointer to a certificate paths builder & validator handle. */
2652	typedef RTCRX509CERTPATHS RT_FAR *PRTCRX509CERTPATHS;
2653	/** Nil certificate paths builder & validator handle. */
2654	#define NIL_RTCRX509CERTPATHS 0
2655
2656	/** Directory handle. */
2657	typedef struct RTDIRINTERNAL *RTDIR;
2658	/** Pointer to directory handle. */
2659	typedef RTDIR *PRTDIR;
2660	/** NIL directory handle. */
2661	#define NIL_RTDIR ((RTDIR)0)
2662
2663	/** File handle. */
2664	typedef R3R0PTRTYPE(struct RTFILEINT RT_FAR *) RTFILE;
2665	/** Pointer to file handle. */
2666	typedef RTFILE RT_FAR *PRTFILE;
2667	/** Nil file handle. */
2668	#define NIL_RTFILE ((RTFILE)~(RTHCINTPTR)0)
2669
2670	/** Async I/O request handle. */
2671	typedef R3PTRTYPE(struct RTFILEAIOREQINTERNAL RT_FAR *) RTFILEAIOREQ;
2672	/** Pointer to an async I/O request handle. */
2673	typedef RTFILEAIOREQ RT_FAR *PRTFILEAIOREQ;
2674	/** Nil request handle. */
2675	#define NIL_RTFILEAIOREQ 0
2676
2677	/** Async I/O completion context handle. */
2678	typedef R3PTRTYPE(struct RTFILEAIOCTXINTERNAL RT_FAR *) RTFILEAIOCTX;
2679	/** Pointer to an async I/O completion context handle. */
2680	typedef RTFILEAIOCTX RT_FAR *PRTFILEAIOCTX;
2681	/** Nil context handle. */
2682	#define NIL_RTFILEAIOCTX 0
2683
2684	/** ISO image maker handle. */
2685	typedef struct RTFSISOMAKERINT RT_FAR *RTFSISOMAKER;
2686	/** Pointer to an ISO image maker handle. */
2687	typedef RTFSISOMAKER RT_FAR *PRTFSISOMAKER;
2688	/** NIL ISO maker handle. */
2689	#define NIL_RTFSISOMAKER ((RTFSISOMAKER)0)
2690
2691	/** INI-file handle. */
2692	typedef struct RTINIFILEINT RT_FAR *RTINIFILE;
2693	/** Pointer to an INI-file handle. */
2694	typedef RTINIFILE RT_FAR *PRTINIFILE;
2695	/** NIL INI-file handle. */
2696	#define NIL_RTINIFILE ((RTINIFILE)0)
2697
2698	/** Loader module handle. */
2699	typedef R3R0PTRTYPE(struct RTLDRMODINTERNAL RT_FAR *) RTLDRMOD;
2700	/** Pointer to a loader module handle. */
2701	typedef RTLDRMOD RT_FAR *PRTLDRMOD;
2702	/** Nil loader module handle. */
2703	#define NIL_RTLDRMOD 0
2704
2705	/** Lock validator class handle. */
2706	typedef R3R0PTRTYPE(struct RTLOCKVALCLASSINT RT_FAR *) RTLOCKVALCLASS;
2707	/** Pointer to a lock validator class handle. */
2708	typedef RTLOCKVALCLASS RT_FAR *PRTLOCKVALCLASS;
2709	/** Nil lock validator class handle. */
2710	#define NIL_RTLOCKVALCLASS ((RTLOCKVALCLASS)0)
2711
2712	/** Ring-0 memory object handle. */
2713	typedef R0PTRTYPE(struct RTR0MEMOBJINTERNAL RT_FAR *) RTR0MEMOBJ;
2714	/** Pointer to a Ring-0 memory object handle. */
2715	typedef RTR0MEMOBJ RT_FAR *PRTR0MEMOBJ;
2716	/** Nil ring-0 memory object handle. */
2717	#define NIL_RTR0MEMOBJ 0
2718
2719	/** Native thread handle. */
2720	typedef RTHCUINTPTR RTNATIVETHREAD;
2721	/** Pointer to an native thread handle. */
2722	typedef RTNATIVETHREAD RT_FAR *PRTNATIVETHREAD;
2723	/** Nil native thread handle. */
2724	#define NIL_RTNATIVETHREAD (~(RTNATIVETHREAD)0)
2725
2726	/** Pipe handle. */
2727	typedef R3R0PTRTYPE(struct RTPIPEINTERNAL RT_FAR *) RTPIPE;
2728	/** Pointer to a pipe handle. */
2729	typedef RTPIPE RT_FAR *PRTPIPE;
2730	/** Nil pipe handle.
2731	* @remarks This is not 0 because of UNIX and OS/2 handle values. Take care! */
2732	#define NIL_RTPIPE ((RTPIPE)RTHCUINTPTR_MAX)
2733
2734	/** @typedef RTPOLLSET
2735	* Poll set handle. */
2736	typedef R3R0PTRTYPE(struct RTPOLLSETINTERNAL RT_FAR *) RTPOLLSET;
2737	/** Pointer to a poll set handle. */
2738	typedef RTPOLLSET RT_FAR *PRTPOLLSET;
2739	/** Nil poll set handle handle. */
2740	#define NIL_RTPOLLSET ((RTPOLLSET)0)
2741
2742	/** Process identifier. */
2743	typedef uint32_t RTPROCESS;
2744	/** Pointer to a process identifier. */
2745	typedef RTPROCESS RT_FAR *PRTPROCESS;
2746	/** Nil process identifier. */
2747	#define NIL_RTPROCESS (~(RTPROCESS)0)
2748
2749	/** Process ring-0 handle. */
2750	typedef RTR0UINTPTR RTR0PROCESS;
2751	/** Pointer to a ring-0 process handle. */
2752	typedef RTR0PROCESS RT_FAR *PRTR0PROCESS;
2753	/** Nil ring-0 process handle. */
2754	#define NIL_RTR0PROCESS (~(RTR0PROCESS)0)
2755
2756	/** @typedef RTSEMEVENT
2757	* Event Semaphore handle. */
2758	typedef R3R0PTRTYPE(struct RTSEMEVENTINTERNAL RT_FAR *) RTSEMEVENT;
2759	/** Pointer to an event semaphore handle. */
2760	typedef RTSEMEVENT RT_FAR *PRTSEMEVENT;
2761	/** Nil event semaphore handle. */
2762	#define NIL_RTSEMEVENT 0
2763
2764	/** @typedef RTSEMEVENTMULTI
2765	* Event Multiple Release Semaphore handle. */
2766	typedef R3R0PTRTYPE(struct RTSEMEVENTMULTIINTERNAL RT_FAR *) RTSEMEVENTMULTI;
2767	/** Pointer to an event multiple release semaphore handle. */
2768	typedef RTSEMEVENTMULTI RT_FAR *PRTSEMEVENTMULTI;
2769	/** Nil multiple release event semaphore handle. */
2770	#define NIL_RTSEMEVENTMULTI 0
2771
2772	/** @typedef RTSEMFASTMUTEX
2773	* Fast mutex Semaphore handle. */
2774	typedef R3R0PTRTYPE(struct RTSEMFASTMUTEXINTERNAL RT_FAR *) RTSEMFASTMUTEX;
2775	/** Pointer to a fast mutex semaphore handle. */
2776	typedef RTSEMFASTMUTEX RT_FAR *PRTSEMFASTMUTEX;
2777	/** Nil fast mutex semaphore handle. */
2778	#define NIL_RTSEMFASTMUTEX 0
2779
2780	/** @typedef RTSEMMUTEX
2781	* Mutex Semaphore handle. */
2782	typedef R3R0PTRTYPE(struct RTSEMMUTEXINTERNAL RT_FAR *) RTSEMMUTEX;
2783	/** Pointer to a mutex semaphore handle. */
2784	typedef RTSEMMUTEX RT_FAR *PRTSEMMUTEX;
2785	/** Nil mutex semaphore handle. */
2786	#define NIL_RTSEMMUTEX 0
2787
2788	/** @typedef RTSEMSPINMUTEX
2789	* Spinning mutex Semaphore handle. */
2790	typedef R3R0PTRTYPE(struct RTSEMSPINMUTEXINTERNAL RT_FAR *) RTSEMSPINMUTEX;
2791	/** Pointer to a spinning mutex semaphore handle. */
2792	typedef RTSEMSPINMUTEX RT_FAR *PRTSEMSPINMUTEX;
2793	/** Nil spinning mutex semaphore handle. */
2794	#define NIL_RTSEMSPINMUTEX 0
2795
2796	/** @typedef RTSEMRW
2797	* Read/Write Semaphore handle. */
2798	typedef R3R0PTRTYPE(struct RTSEMRWINTERNAL RT_FAR *) RTSEMRW;
2799	/** Pointer to a read/write semaphore handle. */
2800	typedef RTSEMRW RT_FAR *PRTSEMRW;
2801	/** Nil read/write semaphore handle. */
2802	#define NIL_RTSEMRW 0
2803
2804	/** @typedef RTSEMXROADS
2805	* Crossroads semaphore handle. */
2806	typedef R3R0PTRTYPE(struct RTSEMXROADSINTERNAL RT_FAR *) RTSEMXROADS;
2807	/** Pointer to a crossroads semaphore handle. */
2808	typedef RTSEMXROADS RT_FAR *PRTSEMXROADS;
2809	/** Nil crossroads semaphore handle. */
2810	#define NIL_RTSEMXROADS ((RTSEMXROADS)0)
2811
2812	/** Spinlock handle. */
2813	typedef R3R0PTRTYPE(struct RTSPINLOCKINTERNAL RT_FAR *) RTSPINLOCK;
2814	/** Pointer to a spinlock handle. */
2815	typedef RTSPINLOCK RT_FAR *PRTSPINLOCK;
2816	/** Nil spinlock handle. */
2817	#define NIL_RTSPINLOCK 0
2818
2819	/** Socket handle. */
2820	typedef R3R0PTRTYPE(struct RTSOCKETINT RT_FAR *) RTSOCKET;
2821	/** Pointer to socket handle. */
2822	typedef RTSOCKET RT_FAR *PRTSOCKET;
2823	/** Nil socket handle. */
2824	#define NIL_RTSOCKET ((RTSOCKET)0)
2825
2826	/** Pointer to a RTTCPSERVER handle. */
2827	typedef struct RTTCPSERVER RT_FAR *PRTTCPSERVER;
2828	/** Pointer to a RTTCPSERVER handle. */
2829	typedef PRTTCPSERVER RT_FAR *PPRTTCPSERVER;
2830	/** Nil RTTCPSERVER handle. */
2831	#define NIL_RTTCPSERVER ((PRTTCPSERVER)0)
2832
2833	/** Pointer to a RTUDPSERVER handle. */
2834	typedef struct RTUDPSERVER RT_FAR *PRTUDPSERVER;
2835	/** Pointer to a RTUDPSERVER handle. */
2836	typedef PRTUDPSERVER RT_FAR *PPRTUDPSERVER;
2837	/** Nil RTUDPSERVER handle. */
2838	#define NIL_RTUDPSERVER ((PRTUDPSERVER)0)
2839
2840	/** Thread handle.*/
2841	typedef R3R0PTRTYPE(struct RTTHREADINT RT_FAR *) RTTHREAD;
2842	/** Pointer to thread handle. */
2843	typedef RTTHREAD RT_FAR *PRTTHREAD;
2844	/** Nil thread handle. */
2845	#define NIL_RTTHREAD 0
2846
2847	/** Thread context switching hook handle. */
2848	typedef R0PTRTYPE(struct RTTHREADCTXHOOKINT RT_FAR *) RTTHREADCTXHOOK;
2849	/** Pointer to Thread context switching hook handle. */
2850	typedef RTTHREADCTXHOOK RT_FAR *PRTTHREADCTXHOOK;
2851	/** Nil Thread context switching hook handle. */
2852	#define NIL_RTTHREADCTXHOOK ((RTTHREADCTXHOOK)0)
2853
2854	/** A TLS index. */
2855	typedef RTHCINTPTR RTTLS;
2856	/** Pointer to a TLS index. */
2857	typedef RTTLS RT_FAR *PRTTLS;
2858	/** Pointer to a const TLS index. */
2859	typedef RTTLS const RT_FAR *PCRTTLS;
2860	/** NIL TLS index value. */
2861	#define NIL_RTTLS ((RTTLS)-1)
2862
2863	/** Trace buffer handle.
2864	* @remarks This is not a R3/R0 type like most other handles!
2865	*/
2866	typedef struct RTTRACEBUFINT RT_FAR *RTTRACEBUF;
2867	/** Pointer to a trace buffer handle. */
2868	typedef RTTRACEBUF RT_FAR *PRTTRACEBUF;
2869	/** Nil trace buffer handle. */
2870	#define NIL_RTTRACEBUF ((RTTRACEBUF)0)
2871	/** The handle of the default trace buffer.
2872	* This can be used with any of the RTTraceBufAdd APIs. */
2873	#define RTTRACEBUF_DEFAULT ((RTTRACEBUF)-2)
2874
2875	/** Handle to a simple heap. */
2876	typedef R3R0PTRTYPE(struct RTHEAPSIMPLEINTERNAL RT_FAR *) RTHEAPSIMPLE;
2877	/** Pointer to a handle to a simple heap. */
2878	typedef RTHEAPSIMPLE RT_FAR *PRTHEAPSIMPLE;
2879	/** NIL simple heap handle. */
2880	#define NIL_RTHEAPSIMPLE ((RTHEAPSIMPLE)0)
2881
2882	/** Handle to an offset based heap. */
2883	typedef R3R0PTRTYPE(struct RTHEAPOFFSETINTERNAL RT_FAR *) RTHEAPOFFSET;
2884	/** Pointer to a handle to an offset based heap. */
2885	typedef RTHEAPOFFSET RT_FAR *PRTHEAPOFFSET;
2886	/** NIL offset based heap handle. */
2887	#define NIL_RTHEAPOFFSET ((RTHEAPOFFSET)0)
2888
2889	/** Handle to an environment block. */
2890	typedef R3PTRTYPE(struct RTENVINTERNAL RT_FAR *) RTENV;
2891	/** Pointer to a handle to an environment block. */
2892	typedef RTENV RT_FAR *PRTENV;
2893	/** NIL simple heap handle. */
2894	#define NIL_RTENV ((RTENV)0)
2895
2896	/** A CPU identifier.
2897	* @remarks This doesn't have to correspond to the APIC ID (intel/amd). Nor
2898	* does it have to correspond to the bits in the affinity mask, at
2899	* least not until we've sorted out Windows NT. */
2900	typedef uint32_t RTCPUID;
2901	/** Pointer to a CPU identifier. */
2902	typedef RTCPUID RT_FAR *PRTCPUID;
2903	/** Pointer to a const CPU identifier. */
2904	typedef RTCPUID const RT_FAR *PCRTCPUID;
2905	/** Nil CPU Id. */
2906	#define NIL_RTCPUID ((RTCPUID)~0)
2907
2908	/** The maximum number of CPUs a set can contain and IPRT is able
2909	* to reference. (Should be max of support arch/platforms.)
2910	* @remarks Must be a power of two and multiple of 64 (see RTCPUSET). */
2911	#if defined(RT_ARCH_X86) \|\| defined(RT_ARCH_AMD64)
2912	# if defined(RT_OS_OS2)
2913	# define RTCPUSET_MAX_CPUS 64
2914	# elif defined(RT_OS_DARWIN) \|\| defined(RT_ARCH_X86)
2915	# define RTCPUSET_MAX_CPUS 256
2916	# else
2917	# define RTCPUSET_MAX_CPUS 1024
2918	# endif
2919	#elif defined(RT_ARCH_SPARC) \|\| defined(RT_ARCH_SPARC64)
2920	# define RTCPUSET_MAX_CPUS 1024
2921	#else
2922	# define RTCPUSET_MAX_CPUS 64
2923	#endif
2924	/** A CPU set.
2925	* @note Treat this as an opaque type and always use RTCpuSet* for
2926	* manipulating it. */
2927	typedef struct RTCPUSET
2928	{
2929	/** The bitmap. */
2930	uint64_t bmSet[RTCPUSET_MAX_CPUS / 64];
2931	} RTCPUSET;
2932	/** Pointer to a CPU set. */
2933	typedef RTCPUSET RT_FAR *PRTCPUSET;
2934	/** Pointer to a const CPU set. */
2935	typedef RTCPUSET const RT_FAR *PCRTCPUSET;
2936
2937	/** A handle table handle. */
2938	typedef R3R0PTRTYPE(struct RTHANDLETABLEINT RT_FAR *) RTHANDLETABLE;
2939	/** A pointer to a handle table handle. */
2940	typedef RTHANDLETABLE RT_FAR *PRTHANDLETABLE;
2941	/** @def NIL_RTHANDLETABLE
2942	* NIL handle table handle. */
2943	#define NIL_RTHANDLETABLE ((RTHANDLETABLE)0)
2944
2945	/** A handle to a low resolution timer. */
2946	typedef R3R0PTRTYPE(struct RTTIMERLRINT RT_FAR *) RTTIMERLR;
2947	/** A pointer to a low resolution timer handle. */
2948	typedef RTTIMERLR RT_FAR *PRTTIMERLR;
2949	/** @def NIL_RTTIMERLR
2950	* NIL low resolution timer handle value. */
2951	#define NIL_RTTIMERLR ((RTTIMERLR)0)
2952
2953	/** Handle to a random number generator. */
2954	typedef R3R0PTRTYPE(struct RTRANDINT RT_FAR *) RTRAND;
2955	/** Pointer to a random number generator handle. */
2956	typedef RTRAND RT_FAR *PRTRAND;
2957	/** NIL random number generator handle value. */
2958	#define NIL_RTRAND ((RTRAND)0)
2959
2960	/** Debug address space handle. */
2961	typedef R3R0PTRTYPE(struct RTDBGASINT RT_FAR *) RTDBGAS;
2962	/** Pointer to a debug address space handle. */
2963	typedef RTDBGAS RT_FAR *PRTDBGAS;
2964	/** NIL debug address space handle. */
2965	#define NIL_RTDBGAS ((RTDBGAS)0)
2966
2967	/** Debug module handle. */
2968	typedef R3R0PTRTYPE(struct RTDBGMODINT RT_FAR *) RTDBGMOD;
2969	/** Pointer to a debug module handle. */
2970	typedef RTDBGMOD RT_FAR *PRTDBGMOD;
2971	/** NIL debug module handle. */
2972	#define NIL_RTDBGMOD ((RTDBGMOD)0)
2973
2974	/** Pointer to an unwind machine state. */
2975	typedef struct RTDBGUNWINDSTATE RT_FAR *PRTDBGUNWINDSTATE;
2976	/** Pointer to a const unwind machine state. */
2977	typedef struct RTDBGUNWINDSTATE const RT_FAR *PCRTDBGUNWINDSTATE;
2978
2979	/** Manifest handle. */
2980	typedef struct RTMANIFESTINT RT_FAR *RTMANIFEST;
2981	/** Pointer to a manifest handle. */
2982	typedef RTMANIFEST RT_FAR *PRTMANIFEST;
2983	/** NIL manifest handle. */
2984	#define NIL_RTMANIFEST ((RTMANIFEST)~(uintptr_t)0)
2985
2986	/** Memory pool handle. */
2987	typedef R3R0PTRTYPE(struct RTMEMPOOLINT RT_FAR *) RTMEMPOOL;
2988	/** Pointer to a memory pool handle. */
2989	typedef RTMEMPOOL RT_FAR *PRTMEMPOOL;
2990	/** NIL memory pool handle. */
2991	#define NIL_RTMEMPOOL ((RTMEMPOOL)0)
2992	/** The default memory pool handle. */
2993	#define RTMEMPOOL_DEFAULT ((RTMEMPOOL)-2)
2994
2995	/** String cache handle. */
2996	typedef R3R0PTRTYPE(struct RTSTRCACHEINT RT_FAR *) RTSTRCACHE;
2997	/** Pointer to a string cache handle. */
2998	typedef RTSTRCACHE RT_FAR *PRTSTRCACHE;
2999	/** NIL string cache handle. */
3000	#define NIL_RTSTRCACHE ((RTSTRCACHE)0)
3001	/** The default string cache handle. */
3002	#define RTSTRCACHE_DEFAULT ((RTSTRCACHE)-2)
3003
3004
3005	/** Virtual Filesystem handle. */
3006	typedef struct RTVFSINTERNAL RT_FAR *RTVFS;
3007	/** Pointer to a VFS handle. */
3008	typedef RTVFS RT_FAR *PRTVFS;
3009	/** A NIL VFS handle. */
3010	#define NIL_RTVFS ((RTVFS)~(uintptr_t)0)
3011
3012	/** Virtual Filesystem base object handle. */
3013	typedef struct RTVFSOBJINTERNAL RT_FAR *RTVFSOBJ;
3014	/** Pointer to a VFS base object handle. */
3015	typedef RTVFSOBJ RT_FAR *PRTVFSOBJ;
3016	/** A NIL VFS base object handle. */
3017	#define NIL_RTVFSOBJ ((RTVFSOBJ)~(uintptr_t)0)
3018
3019	/** Virtual Filesystem directory handle. */
3020	typedef struct RTVFSDIRINTERNAL RT_FAR *RTVFSDIR;
3021	/** Pointer to a VFS directory handle. */
3022	typedef RTVFSDIR RT_FAR *PRTVFSDIR;
3023	/** A NIL VFS directory handle. */
3024	#define NIL_RTVFSDIR ((RTVFSDIR)~(uintptr_t)0)
3025
3026	/** Virtual Filesystem filesystem stream handle. */
3027	typedef struct RTVFSFSSTREAMINTERNAL RT_FAR *RTVFSFSSTREAM;
3028	/** Pointer to a VFS filesystem stream handle. */
3029	typedef RTVFSFSSTREAM RT_FAR *PRTVFSFSSTREAM;
3030	/** A NIL VFS filesystem stream handle. */
3031	#define NIL_RTVFSFSSTREAM ((RTVFSFSSTREAM)~(uintptr_t)0)
3032
3033	/** Virtual Filesystem I/O stream handle. */
3034	typedef struct RTVFSIOSTREAMINTERNAL RT_FAR *RTVFSIOSTREAM;
3035	/** Pointer to a VFS I/O stream handle. */
3036	typedef RTVFSIOSTREAM RT_FAR *PRTVFSIOSTREAM;
3037	/** A NIL VFS I/O stream handle. */
3038	#define NIL_RTVFSIOSTREAM ((RTVFSIOSTREAM)~(uintptr_t)0)
3039
3040	/** Virtual Filesystem file handle. */
3041	typedef struct RTVFSFILEINTERNAL RT_FAR *RTVFSFILE;
3042	/** Pointer to a VFS file handle. */
3043	typedef RTVFSFILE RT_FAR *PRTVFSFILE;
3044	/** A NIL VFS file handle. */
3045	#define NIL_RTVFSFILE ((RTVFSFILE)~(uintptr_t)0)
3046
3047	/** Virtual Filesystem symbolic link handle. */
3048	typedef struct RTVFSSYMLINKINTERNAL RT_FAR *RTVFSSYMLINK;
3049	/** Pointer to a VFS symbolic link handle. */
3050	typedef RTVFSSYMLINK RT_FAR *PRTVFSSYMLINK;
3051	/** A NIL VFS symbolic link handle. */
3052	#define NIL_RTVFSSYMLINK ((RTVFSSYMLINK)~(uintptr_t)0)
3053
3054	/** Async I/O manager handle. */
3055	typedef struct RTAIOMGRINT RT_FAR *RTAIOMGR;
3056	/** Pointer to a async I/O manager handle. */
3057	typedef RTAIOMGR RT_FAR *PRTAIOMGR;
3058	/** A NIL async I/O manager handle. */
3059	#define NIL_RTAIOMGR ((RTAIOMGR)~(uintptr_t)0)
3060
3061	/** Async I/O manager file handle. */
3062	typedef struct RTAIOMGRFILEINT RT_FAR *RTAIOMGRFILE;
3063	/** Pointer to a async I/O manager file handle. */
3064	typedef RTAIOMGRFILE RT_FAR *PRTAIOMGRFILE;
3065	/** A NIL async I/O manager file handle. */
3066	#define NIL_RTAIOMGRFILE ((RTAIOMGRFILE)~(uintptr_t)0)
3067
3068	/** Kernel module information record handle. */
3069	typedef struct RTKRNLMODINFOINT RT_FAR *RTKRNLMODINFO;
3070	/** Pointer to a kernel information record handle. */
3071	typedef RTKRNLMODINFO RT_FAR *PRTKRNLMODINFO;
3072	/** A NIL kernel module information record handle. */
3073	#define NIL_RTKRNLMODINFO ((RTKRNLMODINFO)~(uintptr_t)0);
3074
3075	/** Shared memory object handle. */
3076	typedef struct RTSHMEMINT RT_FAR *RTSHMEM;
3077	/** Pointer to a shared memory object handle. */
3078	typedef RTSHMEM RT_FAR *PRTSHMEM;
3079	/** A NIL shared memory object handle. */
3080	#define NIL_RTSHMEM ((RTSHMEM)~(uintptr_t)0)
3081
3082	/** EFI signature database handle. */
3083	typedef struct RTEFISIGDBINT RT_FAR *RTEFISIGDB;
3084	/** Pointer to a EFI signature database handle. */
3085	typedef RTEFISIGDB RT_FAR *PRTEFISIGDB;
3086	/** A NIL EFI signature database handle. */
3087	#define NIL_RTEFISIGDB ((RTEFISIGDB)~(uintptr_t)0)
3088
3089
3090	/**
3091	* Handle type.
3092	*
3093	* This is usually used together with RTHANDLEUNION.
3094	*/
3095	typedef enum RTHANDLETYPE
3096	{
3097	/** The invalid zero value. */
3098	RTHANDLETYPE_INVALID = 0,
3099	/** File handle. */
3100	RTHANDLETYPE_FILE,
3101	/** Pipe handle */
3102	RTHANDLETYPE_PIPE,
3103	/** Socket handle. */
3104	RTHANDLETYPE_SOCKET,
3105	/** Thread handle. */
3106	RTHANDLETYPE_THREAD,
3107	/** The end of the valid values. */
3108	RTHANDLETYPE_END,
3109	/** The 32-bit type blow up. */
3110	RTHANDLETYPE_32BIT_HACK = 0x7fffffff
3111	} RTHANDLETYPE;
3112	/** Pointer to a handle type. */
3113	typedef RTHANDLETYPE RT_FAR *PRTHANDLETYPE;
3114
3115	/**
3116	* Handle union.
3117	*
3118	* This is usually used together with RTHANDLETYPE or as RTHANDLE.
3119	*/
3120	typedef union RTHANDLEUNION
3121	{
3122	RTFILE hFile; /*< File handle. /
3123	RTPIPE hPipe; /*< Pipe handle. /
3124	RTSOCKET hSocket; /*< Socket handle. /
3125	RTTHREAD hThread; /*< Thread handle. /
3126	/** Generic integer handle value.
3127	* Note that RTFILE is not yet pointer sized, so accessing it via this member
3128	* isn't necessarily safe or fully portable. */
3129	RTHCUINTPTR uInt;
3130	} RTHANDLEUNION;
3131	/** Pointer to a handle union. */
3132	typedef RTHANDLEUNION RT_FAR *PRTHANDLEUNION;
3133	/** Pointer to a const handle union. */
3134	typedef RTHANDLEUNION const RT_FAR *PCRTHANDLEUNION;
3135
3136	/**
3137	* Generic handle.
3138	*/
3139	typedef struct RTHANDLE
3140	{
3141	/** The handle type. */
3142	RTHANDLETYPE enmType;
3143	/** The handle value. */
3144	RTHANDLEUNION u;
3145	} RTHANDLE;
3146	/** Pointer to a generic handle. */
3147	typedef RTHANDLE RT_FAR *PRTHANDLE;
3148	/** Pointer to a const generic handle. */
3149	typedef RTHANDLE const RT_FAR *PCRTHANDLE;
3150
3151
3152	/**
3153	* Standard handles.
3154	*
3155	* @remarks These have the correct file descriptor values for unixy systems and
3156	* can be used directly in code specific to those platforms.
3157	*/
3158	typedef enum RTHANDLESTD
3159	{
3160	/** Invalid standard handle. */
3161	RTHANDLESTD_INVALID = -1,
3162	/** The standard input handle. */
3163	RTHANDLESTD_INPUT = 0,
3164	/** The standard output handle. */
3165	RTHANDLESTD_OUTPUT,
3166	/** The standard error handle. */
3167	RTHANDLESTD_ERROR,
3168	/** The typical 32-bit type hack. */
3169	RTHANDLESTD_32BIT_HACK = 0x7fffffff
3170	} RTHANDLESTD;
3171
3172
3173	/**
3174	* Error info.
3175	*
3176	* See RTErrInfo*.
3177	*/
3178	typedef struct RTERRINFO
3179	{
3180	/** Flags, see RTERRINFO_FLAGS_XXX. */
3181	uint32_t fFlags;
3182	/** The status code. */
3183	int32_t rc;
3184	/** The size of the message */
3185	size_t cbMsg;
3186	/** The error buffer. */
3187	char *pszMsg;
3188	/** Reserved for future use. */
3189	void *apvReserved[2];
3190	} RTERRINFO;
3191	/** Pointer to an error info structure. */
3192	typedef RTERRINFO RT_FAR *PRTERRINFO;
3193	/** Pointer to a const error info structure. */
3194	typedef RTERRINFO const RT_FAR *PCRTERRINFO;
3195
3196	/**
3197	* Static error info structure, see RTErrInfoInitStatic.
3198	*/
3199	typedef struct RTERRINFOSTATIC
3200	{
3201	/** The core error info. */
3202	RTERRINFO Core;
3203	/** The static message buffer. */
3204	char szMsg[3072];
3205	} RTERRINFOSTATIC;
3206	/** Pointer to a error info buffer. */
3207	typedef RTERRINFOSTATIC RT_FAR *PRTERRINFOSTATIC;
3208	/** Pointer to a const static error info buffer. */
3209	typedef RTERRINFOSTATIC const RT_FAR *PCRTERRINFOSTATIC;
3210
3211
3212	/**
3213	* UUID data type.
3214	*
3215	* See RTUuid*.
3216	*
3217	* @remarks IPRT defines that the first three integers in the @c Gen struct
3218	* interpretation are in little endian representation. This is
3219	* different to many other UUID implementation, and requires
3220	* conversion if you need to achieve consistent results.
3221	*/
3222	typedef union RTUUID
3223	{
3224	/** 8-bit view. */
3225	uint8_t au8[16];
3226	/** 16-bit view. */
3227	uint16_t au16[8];
3228	/** 32-bit view. */
3229	uint32_t au32[4];
3230	/** 64-bit view. */
3231	uint64_t au64[2];
3232	/** The way the UUID is declared by the DCE specification. */
3233	struct
3234	{
3235	uint32_t u32TimeLow;
3236	uint16_t u16TimeMid;
3237	uint16_t u16TimeHiAndVersion;
3238	uint8_t u8ClockSeqHiAndReserved;
3239	uint8_t u8ClockSeqLow;
3240	uint8_t au8Node[6];
3241	} Gen;
3242	} RTUUID;
3243	/** Pointer to UUID data. */
3244	typedef RTUUID RT_FAR *PRTUUID;
3245	/** Pointer to readonly UUID data. */
3246	typedef const RTUUID RT_FAR *PCRTUUID;
3247
3248	/** Initializes a RTUUID structure with all zeros (RTUuidIsNull() true). */
3249	#define RTUUID_INITIALIZE_NULL { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
3250
3251	/** UUID string maximum length. */
3252	#define RTUUID_STR_LENGTH 37
3253
3254
3255	/** Compression handle. */
3256	typedef struct RTZIPCOMP RT_FAR *PRTZIPCOMP;
3257	/** Decompressor handle. */
3258	typedef struct RTZIPDECOMP RT_FAR *PRTZIPDECOMP;
3259
3260
3261	/**
3262	* Unicode Code Point.
3263	*/
3264	typedef uint32_t RTUNICP;
3265	/** Pointer to an Unicode Code Point. */
3266	typedef RTUNICP RT_FAR *PRTUNICP;
3267	/** Pointer to an Unicode Code Point. */
3268	typedef const RTUNICP RT_FAR *PCRTUNICP;
3269	/** Max value a RTUNICP type can hold. */
3270	#define RTUNICP_MAX ( ~(RTUNICP)0 )
3271	/** Invalid code point.
3272	* This is returned when encountered invalid encodings or invalid
3273	* unicode code points. */
3274	#define RTUNICP_INVALID ( UINT32_C(0xfffffffe) )
3275
3276
3277	/**
3278	* UTF-16 character.
3279	* @remark wchar_t is not usable since it's compiler defined.
3280	* @remark When we use the term character we're not talking about unicode code point, but
3281	* the basic unit of the string encoding. Thus cwc - count of wide chars - means
3282	* count of RTUTF16; cuc - count of unicode chars - means count of RTUNICP;
3283	* and cch means count of the typedef 'char', which is assumed to be an octet.
3284	*/
3285	typedef uint16_t RTUTF16;
3286	/** Pointer to a UTF-16 character. */
3287	typedef RTUTF16 RT_FAR *PRTUTF16;
3288	/** Pointer to a const UTF-16 character. */
3289	typedef const RTUTF16 RT_FAR *PCRTUTF16;
3290
3291
3292	/**
3293	* String tuple to go with the RT_STR_TUPLE macro.
3294	*/
3295	typedef struct RTSTRTUPLE
3296	{
3297	/** The string. */
3298	const char *psz;
3299	/** The string length. */
3300	size_t cch;
3301	} RTSTRTUPLE;
3302	/** Pointer to a string tuple. */
3303	typedef RTSTRTUPLE RT_FAR *PRTSTRTUPLE;
3304	/** Pointer to a const string tuple. */
3305	typedef RTSTRTUPLE const RT_FAR *PCRTSTRTUPLE;
3306
3307	/**
3308	* Wait for ever if we have to.
3309	*/
3310	#define RT_INDEFINITE_WAIT (~0U)
3311
3312
3313	/**
3314	* Generic process callback.
3315	*
3316	* @returns VBox status code. Failure will cancel the operation.
3317	* @param uPercentage The percentage of the operation which has been completed.
3318	* @param pvUser The user specified argument.
3319	*/
3320	typedef DECLCALLBACKTYPE(int, FNRTPROGRESS,(unsigned uPercentage, void *pvUser));
3321	/** Pointer to a generic progress callback function, FNRTPROCESS(). */
3322	typedef FNRTPROGRESS *PFNRTPROGRESS;
3323
3324	/**
3325	* Generic vprintf-like callback function for dumpers.
3326	*
3327	* @param pvUser User argument.
3328	* @param pszFormat The format string.
3329	* @param va Arguments for the format string.
3330	*/
3331	typedef DECLCALLBACKTYPE(void, FNRTDUMPPRINTFV,(void pvUser, const char pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(2, 0));
3332	/** Pointer to a generic printf-like function for dumping. */
3333	typedef FNRTDUMPPRINTFV *PFNRTDUMPPRINTFV;
3334
3335
3336	/**
3337	* A point in a two dimentional coordinate system.
3338	*/
3339	typedef struct RTPOINT
3340	{
3341	/** X coordinate. */
3342	int32_t x;
3343	/** Y coordinate. */
3344	int32_t y;
3345	} RTPOINT;
3346	/** Pointer to a point. */
3347	typedef RTPOINT RT_FAR *PRTPOINT;
3348	/** Pointer to a const point. */
3349	typedef const RTPOINT RT_FAR *PCRTPOINT;
3350
3351
3352	/**
3353	* Rectangle data type, double point.
3354	*/
3355	typedef struct RTRECT
3356	{
3357	/** left X coordinate. */
3358	int32_t xLeft;
3359	/** top Y coordinate. */
3360	int32_t yTop;
3361	/** right X coordinate. (exclusive) */
3362	int32_t xRight;
3363	/** bottom Y coordinate. (exclusive) */
3364	int32_t yBottom;
3365	} RTRECT;
3366	/** Pointer to a double point rectangle. */
3367	typedef RTRECT RT_FAR *PRTRECT;
3368	/** Pointer to a const double point rectangle. */
3369	typedef const RTRECT RT_FAR *PCRTRECT;
3370
3371
3372	/**
3373	* Rectangle data type, point + size.
3374	*/
3375	typedef struct RTRECT2
3376	{
3377	/** X coordinate.
3378	* Unless stated otherwise, this is the top left corner. */
3379	int32_t x;
3380	/** Y coordinate.
3381	* Unless stated otherwise, this is the top left corner. */
3382	int32_t y;
3383	/** The width.
3384	* Unless stated otherwise, this is to the right of (x,y) and will not
3385	* be a negative number. */
3386	int32_t cx;
3387	/** The height.
3388	* Unless stated otherwise, this is down from (x,y) and will not be a
3389	* negative number. */
3390	int32_t cy;
3391	} RTRECT2;
3392	/** Pointer to a point + size rectangle. */
3393	typedef RTRECT2 RT_FAR *PRTRECT2;
3394	/** Pointer to a const point + size rectangle. */
3395	typedef const RTRECT2 RT_FAR *PCRTRECT2;
3396
3397
3398	/**
3399	* The size of a rectangle.
3400	*/
3401	typedef struct RTRECTSIZE
3402	{
3403	/** The width (along the x-axis). */
3404	uint32_t cx;
3405	/** The height (along the y-axis). */
3406	uint32_t cy;
3407	} RTRECTSIZE;
3408	/** Pointer to a rectangle size. */
3409	typedef RTRECTSIZE RT_FAR *PRTRECTSIZE;
3410	/** Pointer to a const rectangle size. */
3411	typedef const RTRECTSIZE RT_FAR *PCRTRECTSIZE;
3412
3413
3414	/**
3415	* Ethernet MAC address.
3416	*
3417	* The first 24 bits make up the Organisationally Unique Identifier (OUI),
3418	* where the first bit (little endian) indicates multicast (set) / unicast,
3419	* and the second bit indicates locally (set) / global administered. If all
3420	* bits are set, it's a broadcast.
3421	*/
3422	typedef union RTMAC
3423	{
3424	/** @todo add a bitfield view of this stuff. */
3425	/** 8-bit view. */
3426	uint8_t au8[6];
3427	/** 16-bit view. */
3428	uint16_t au16[3];
3429	} RTMAC;
3430	/** Pointer to a MAC address. */
3431	typedef RTMAC RT_FAR *PRTMAC;
3432	/** Pointer to a readonly MAC address. */
3433	typedef const RTMAC RT_FAR *PCRTMAC;
3434
3435
3436	/** Pointer to a lock validator record.
3437	* The structure definition is found in iprt/lockvalidator.h. */
3438	typedef struct RTLOCKVALRECEXCL RT_FAR *PRTLOCKVALRECEXCL;
3439	/** Pointer to a record of one ownership share.
3440	* The structure definition is found in iprt/lockvalidator.h. */
3441	typedef struct RTLOCKVALRECSHRD RT_FAR *PRTLOCKVALRECSHRD;
3442	/** Pointer to a lock validator source position.
3443	* The structure definition is found in iprt/lockvalidator.h. */
3444	typedef struct RTLOCKVALSRCPOS RT_FAR *PRTLOCKVALSRCPOS;
3445	/** Pointer to a const lock validator source position.
3446	* The structure definition is found in iprt/lockvalidator.h. */
3447	typedef struct RTLOCKVALSRCPOS const RT_FAR *PCRTLOCKVALSRCPOS;
3448
3449	/** @name Special sub-class values.
3450	* The range 16..UINT32_MAX is available to the user, the range 0..15 is
3451	* reserved for the lock validator. In the user range the locks can only be
3452	* taking in ascending order.
3453	* @{ */
3454	/** Invalid value. */
3455	#define RTLOCKVAL_SUB_CLASS_INVALID UINT32_C(0)
3456	/** Not allowed to be taken with any other locks in the same class.
3457	* This is the recommended value. */
3458	#define RTLOCKVAL_SUB_CLASS_NONE UINT32_C(1)
3459	/** Any order is allowed within the class. */
3460	#define RTLOCKVAL_SUB_CLASS_ANY UINT32_C(2)
3461	/** The first user value. */
3462	#define RTLOCKVAL_SUB_CLASS_USER UINT32_C(16)
3463	/** @} */
3464
3465
3466	/**
3467	* Digest types.
3468	*/
3469	typedef enum RTDIGESTTYPE
3470	{
3471	/** Invalid digest value. */
3472	RTDIGESTTYPE_INVALID = 0,
3473	/** Unknown digest type. */
3474	RTDIGESTTYPE_UNKNOWN,
3475	/** CRC32 checksum. */
3476	RTDIGESTTYPE_CRC32,
3477	/** CRC64 checksum. */
3478	RTDIGESTTYPE_CRC64,
3479	/** MD2 checksum (unsafe!). */
3480	RTDIGESTTYPE_MD2,
3481	/** MD4 checksum (unsafe!!). */
3482	RTDIGESTTYPE_MD4,
3483	/** MD5 checksum (unsafe!). */
3484	RTDIGESTTYPE_MD5,
3485	/** SHA-1 checksum (unsafe!). */
3486	RTDIGESTTYPE_SHA1,
3487	/** SHA-224 checksum. */
3488	RTDIGESTTYPE_SHA224,
3489	/** SHA-256 checksum. */
3490	RTDIGESTTYPE_SHA256,
3491	/** SHA-384 checksum. */
3492	RTDIGESTTYPE_SHA384,
3493	/** SHA-512 checksum. */
3494	RTDIGESTTYPE_SHA512,
3495	/** SHA-512/224 checksum. */
3496	RTDIGESTTYPE_SHA512T224,
3497	/** SHA-512/256 checksum. */
3498	RTDIGESTTYPE_SHA512T256,
3499	/** SHA3-224 checksum. */
3500	RTDIGESTTYPE_SHA3_224,
3501	/** SHA3-256 checksum. */
3502	RTDIGESTTYPE_SHA3_256,
3503	/** SHA3-384 checksum. */
3504	RTDIGESTTYPE_SHA3_384,
3505	/** SHA3-512 checksum. */
3506	RTDIGESTTYPE_SHA3_512,
3507	#if 0
3508	/** SHAKE128 checksum. */
3509	RTDIGESTTYPE_SHAKE128,
3510	/** SHAKE256 checksum. */
3511	RTDIGESTTYPE_SHAKE256,
3512	#endif
3513	/** End of valid types. */
3514	RTDIGESTTYPE_END,
3515	/** Usual 32-bit type blowup. */
3516	RTDIGESTTYPE_32BIT_HACK = 0x7fffffff
3517	} RTDIGESTTYPE;
3518
3519	/**
3520	* Process exit codes.
3521	*/
3522	typedef enum RTEXITCODE
3523	{
3524	/** Success. */
3525	RTEXITCODE_SUCCESS = 0,
3526	/** General failure. */
3527	RTEXITCODE_FAILURE = 1,
3528	/** Invalid arguments. */
3529	RTEXITCODE_SYNTAX = 2,
3530	/** Initialization failure (usually IPRT, but could be used for other
3531	* components as well). */
3532	RTEXITCODE_INIT = 3,
3533	/** Test skipped. */
3534	RTEXITCODE_SKIPPED = 4,
3535	/** The end of valid exit codes. */
3536	RTEXITCODE_END,
3537	/** The usual 32-bit type hack. */
3538	RTEXITCODE_32BIT_HACK = 0x7fffffff
3539	} RTEXITCODE;
3540
3541	/**
3542	* Range descriptor.
3543	*/
3544	typedef struct RTRANGE
3545	{
3546	/** Start offset. */
3547	uint64_t offStart;
3548	/** Range size. */
3549	size_t cbRange;
3550	} RTRANGE;
3551	/** Pointer to a range descriptor. */
3552	typedef RTRANGE RT_FAR *PRTRANGE;
3553	/** Pointer to a readonly range descriptor. */
3554	typedef const RTRANGE RT_FAR *PCRTRANGE;
3555
3556
3557	/**
3558	* Generic pointer union.
3559	*/
3560	typedef union RTPTRUNION
3561	{
3562	/** Pointer into the void. */
3563	void RT_FAR *pv;
3564	/** As a signed integer. */
3565	intptr_t i;
3566	/** As an unsigned integer. */
3567	uintptr_t u;
3568	/** Pointer to char value. */
3569	char RT_FAR *pch;
3570	/** Pointer to char value. */
3571	unsigned char RT_FAR *puch;
3572	/** Pointer to a int value. */
3573	int RT_FAR *pi;
3574	/** Pointer to a unsigned int value. */
3575	unsigned int RT_FAR *pu;
3576	/** Pointer to a long value. */
3577	long RT_FAR *pl;
3578	/** Pointer to a long value. */
3579	unsigned long RT_FAR *pul;
3580	/** Pointer to a 8-bit unsigned value. */
3581	uint8_t RT_FAR *pu8;
3582	/** Pointer to a 16-bit unsigned value. */
3583	uint16_t RT_FAR *pu16;
3584	/** Pointer to a 32-bit unsigned value. */
3585	uint32_t RT_FAR *pu32;
3586	/** Pointer to a 64-bit unsigned value. */
3587	uint64_t RT_FAR *pu64;
3588	/** Pointer to a 8-bit signed value. */
3589	int8_t RT_FAR *pi8;
3590	/** Pointer to a 16-bit signed value. */
3591	int16_t RT_FAR *pi16;
3592	/** Pointer to a 32-bit signed value. */
3593	int32_t RT_FAR *pi32;
3594	/** Pointer to a 64-bit signed value. */
3595	int64_t RT_FAR *pi64;
3596	/** Pointer to a UTF-16 character. */
3597	PRTUTF16 pwc;
3598	/** Pointer to a UUID character. */
3599	PRTUUID pUuid;
3600	} RTPTRUNION;
3601	/** Pointer to a pointer union. */
3602	typedef RTPTRUNION RT_FAR *PRTPTRUNION;
3603
3604	/**
3605	* Generic const pointer union.
3606	*/
3607	typedef union RTCPTRUNION
3608	{
3609	/** Pointer into the void. */
3610	void const RT_FAR *pv;
3611	/** As a signed integer. */
3612	intptr_t i;
3613	/** As an unsigned integer. */
3614	uintptr_t u;
3615	/** Pointer to char value. */
3616	char const RT_FAR *pch;
3617	/** Pointer to char value. */
3618	unsigned char const RT_FAR *puch;
3619	/** Pointer to a int value. */
3620	int const RT_FAR *pi;
3621	/** Pointer to a unsigned int value. */
3622	unsigned int const RT_FAR *pu;
3623	/** Pointer to a long value. */
3624	long const RT_FAR *pl;
3625	/** Pointer to a long value. */
3626	unsigned long const RT_FAR *pul;
3627	/** Pointer to a 8-bit unsigned value. */
3628	uint8_t const RT_FAR *pu8;
3629	/** Pointer to a 16-bit unsigned value. */
3630	uint16_t const RT_FAR *pu16;
3631	/** Pointer to a 32-bit unsigned value. */
3632	uint32_t const RT_FAR *pu32;
3633	/** Pointer to a 64-bit unsigned value. */
3634	uint64_t const RT_FAR *pu64;
3635	/** Pointer to a 8-bit signed value. */
3636	int8_t const RT_FAR *pi8;
3637	/** Pointer to a 16-bit signed value. */
3638	int16_t const RT_FAR *pi16;
3639	/** Pointer to a 32-bit signed value. */
3640	int32_t const RT_FAR *pi32;
3641	/** Pointer to a 64-bit signed value. */
3642	int64_t const RT_FAR *pi64;
3643	/** Pointer to a UTF-16 character. */
3644	PCRTUTF16 pwc;
3645	/** Pointer to a UUID character. */
3646	PCRTUUID pUuid;
3647	} RTCPTRUNION;
3648	/** Pointer to a const pointer union. */
3649	typedef RTCPTRUNION RT_FAR *PRTCPTRUNION;
3650
3651	/**
3652	* Generic volatile pointer union.
3653	*/
3654	typedef union RTVPTRUNION
3655	{
3656	/** Pointer into the void. */
3657	void volatile RT_FAR *pv;
3658	/** As a signed integer. */
3659	intptr_t i;
3660	/** As an unsigned integer. */
3661	uintptr_t u;
3662	/** Pointer to char value. */
3663	char volatile RT_FAR *pch;
3664	/** Pointer to char value. */
3665	unsigned char volatile RT_FAR *puch;
3666	/** Pointer to a int value. */
3667	int volatile RT_FAR *pi;
3668	/** Pointer to a unsigned int value. */
3669	unsigned int volatile RT_FAR *pu;
3670	/** Pointer to a long value. */
3671	long volatile RT_FAR *pl;
3672	/** Pointer to a long value. */
3673	unsigned long volatile RT_FAR *pul;
3674	/** Pointer to a 8-bit unsigned value. */
3675	uint8_t volatile RT_FAR *pu8;
3676	/** Pointer to a 16-bit unsigned value. */
3677	uint16_t volatile RT_FAR *pu16;
3678	/** Pointer to a 32-bit unsigned value. */
3679	uint32_t volatile RT_FAR *pu32;
3680	/** Pointer to a 64-bit unsigned value. */
3681	uint64_t volatile RT_FAR *pu64;
3682	/** Pointer to a 8-bit signed value. */
3683	int8_t volatile RT_FAR *pi8;
3684	/** Pointer to a 16-bit signed value. */
3685	int16_t volatile RT_FAR *pi16;
3686	/** Pointer to a 32-bit signed value. */
3687	int32_t volatile RT_FAR *pi32;
3688	/** Pointer to a 64-bit signed value. */
3689	int64_t volatile RT_FAR *pi64;
3690	/** Pointer to a UTF-16 character. */
3691	RTUTF16 volatile RT_FAR *pwc;
3692	/** Pointer to a UUID character. */
3693	RTUUID volatile RT_FAR *pUuid;
3694	} RTVPTRUNION;
3695	/** Pointer to a const pointer union. */
3696	typedef RTVPTRUNION RT_FAR *PRTVPTRUNION;
3697
3698	/**
3699	* Generic const volatile pointer union.
3700	*/
3701	typedef union RTCVPTRUNION
3702	{
3703	/** Pointer into the void. */
3704	void const volatile RT_FAR *pv;
3705	/** As a signed integer. */
3706	intptr_t i;
3707	/** As an unsigned integer. */
3708	uintptr_t u;
3709	/** Pointer to char value. */
3710	char const volatile RT_FAR *pch;
3711	/** Pointer to char value. */
3712	unsigned char const volatile RT_FAR *puch;
3713	/** Pointer to a int value. */
3714	int const volatile RT_FAR *pi;
3715	/** Pointer to a unsigned int value. */
3716	unsigned int const volatile RT_FAR *pu;
3717	/** Pointer to a long value. */
3718	long const volatile RT_FAR *pl;
3719	/** Pointer to a long value. */
3720	unsigned long const volatile RT_FAR *pul;
3721	/** Pointer to a 8-bit unsigned value. */
3722	uint8_t const volatile RT_FAR *pu8;
3723	/** Pointer to a 16-bit unsigned value. */
3724	uint16_t const volatile RT_FAR *pu16;
3725	/** Pointer to a 32-bit unsigned value. */
3726	uint32_t const volatile RT_FAR *pu32;
3727	/** Pointer to a 64-bit unsigned value. */
3728	uint64_t const volatile RT_FAR *pu64;
3729	/** Pointer to a 8-bit signed value. */
3730	int8_t const volatile RT_FAR *pi8;
3731	/** Pointer to a 16-bit signed value. */
3732	int16_t const volatile RT_FAR *pi16;
3733	/** Pointer to a 32-bit signed value. */
3734	int32_t const volatile RT_FAR *pi32;
3735	/** Pointer to a 64-bit signed value. */
3736	int64_t const volatile RT_FAR *pi64;
3737	/** Pointer to a UTF-16 character. */
3738	RTUTF16 const volatile RT_FAR *pwc;
3739	/** Pointer to a UUID character. */
3740	RTUUID const volatile RT_FAR *pUuid;
3741	} RTCVPTRUNION;
3742	/** Pointer to a const pointer union. */
3743	typedef RTCVPTRUNION RT_FAR *PRTCVPTRUNION;
3744
3745
3746
3747	#ifdef __cplusplus
3748	/**
3749	* Strict type validation helper class.
3750	*
3751	* See RTErrStrictType and RT_SUCCESS_NP.
3752	*/
3753	class RTErrStrictType2
3754	{
3755	protected:
3756	/** The status code. */
3757	int32_t m_rc;
3758
3759	public:
3760	/**
3761	* Constructor.
3762	* @param rc IPRT style status code.
3763	*/
3764	RTErrStrictType2(int32_t rc) : m_rc(rc)
3765	{
3766	}
3767
3768	/**
3769	* Get the status code.
3770	* @returns IPRT style status code.
3771	*/
3772	int32_t getValue() const
3773	{
3774	return m_rc;
3775	}
3776	};
3777	#endif /* __cplusplus */
3778	/** @} */
3779
3780	#endif /* !IPRT_INCLUDED_types_h */
3781

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