types.h@ 8163

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1	/** @file
2	* Incredibly Portable Runtime - Types.
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26	* Clara, CA 95054 USA or visit http://www.sun.com if you need
27	* additional information or have any questions.
28	*/
29
30	#ifndef ___iprt_types_h
31	#define ___iprt_types_h
32
33	#include <iprt/cdefs.h>
34	#include <iprt/stdint.h>
35
36	/*
37	* Include standard C types.
38	*/
39	#ifndef IPRT_NO_CRT
40
41	# if defined(RT_OS_DARWIN) && defined(KERNEL)
42	/*
43	* Kludge for the darwin kernel:
44	* stddef.h is missing IIRC.
45	*/
46	# ifndef _PTRDIFF_T
47	# define _PTRDIFF_T
48	typedef __darwin_ptrdiff_t ptrdiff_t;
49	# endif
50	# include <sys/types.h>
51
52	# elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
53	/*
54	* Kludge for the FreeBSD kernel:
55	* stddef.h and sys/types.h has sligtly different offsetof definitions
56	* when compiling in kernel mode. This is just to make GCC keep shut.
57	*/
58	# ifndef _STDDEF_H_
59	# undef offsetof
60	# endif
61	# include <stddef.h>
62	# ifndef _SYS_TYPES_H_
63	# undef offsetof
64	# endif
65	# include <sys/types.h>
66	# ifndef offsetof
67	# error "offsetof is not defined..."
68	# endif
69
70	# elif defined(RT_OS_LINUX) && defined(__KERNEL__)
71	/*
72	* Kludge for the linux kernel:
73	* 1. sys/types.h doesn't mix with the kernel.
74	* 2. Starting with 2.6.19, linux/types.h typedefs bool and linux/stddef.h
75	* declares false and true as enum values.
76	* 3. Starting with 2.6.24, linux/types.h typedefs uintptr_t.
77	* We work around these issues here and nowhere else.
78	*/
79	# include <stddef.h>
80	# if defined(__cplusplus)
81	typedef bool _Bool;
82	# endif
83	# define bool linux_bool
84	# define true linux_true
85	# define false linux_false
86	# define uintptr_t linux_uintptr_t
87	# include <linux/autoconf.h>
88	# include <linux/types.h>
89	# include <linux/stddef.h>
90	# undef uintptr_t
91	# undef false
92	# undef true
93	# undef bool
94
95	# else
96	# include <stddef.h>
97	# include <sys/types.h>
98	# endif
99
100	/* Define any types missing from sys/types.h on windows. */
101	# ifdef _MSC_VER
102	# undef ssize_t
103	typedef intptr_t ssize_t;
104	# endif
105
106	#else /* no crt */
107	# include <iprt/nocrt/compiler/gcc.h>
108	#endif /* no crt */
109
110
111
112	/** @defgroup grp_rt_types Incredibly Portable Runtime Base Types
113	* @{
114	*/
115
116	/* define wchar_t, we don't wanna include all the wcsstuff to get this. */
117	#ifdef _MSC_VER
118	# ifndef _WCHAR_T_DEFINED
119	typedef unsigned short wchar_t;
120	# define _WCHAR_T_DEFINED
121	# endif
122	#endif
123	#ifdef __GNUC__
124	/** @todo wchar_t on GNUC */
125	#endif
126
127	/*
128	* C doesn't have bool.
129	*/
130	#ifndef __cplusplus
131	# if defined(__GNUC__)
132	# if defined(RT_OS_LINUX) && __GNUC__ < 3
133	typedef uint8_t bool;
134	# else
135	# if defined(RT_OS_DARWIN) && defined(_STDBOOL_H)
136	# undef bool
137	# endif
138	typedef _Bool bool;
139	# endif
140	# else
141	typedef unsigned char bool;
142	# endif
143	# ifndef true
144	# define true (1)
145	# endif
146	# ifndef false
147	# define false (0)
148	# endif
149	#endif
150
151	/**
152	* 128-bit unsigned integer.
153	*/
154	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
155	typedef __uint128_t uint128_t;
156	#else
157	typedef struct uint128_s
158	{
159	uint64_t Lo;
160	uint64_t Hi;
161	} uint128_t;
162	#endif
163
164
165	/**
166	* 128-bit signed integer.
167	*/
168	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
169	typedef __int128_t int128_t;
170	#else
171	typedef struct int128_s
172	{
173	uint64_t lo;
174	int64_t hi;
175	} int128_t;
176	#endif
177
178
179	/**
180	* 16-bit unsigned interger union.
181	*/
182	typedef union RTUINT16U
183	{
184	/** natural view. */
185	uint16_t u;
186
187	/** 16-bit view. */
188	uint16_t au16[1];
189	/** 8-bit view. */
190	uint8_t au8[4];
191	/** 16-bit hi/lo view. */
192	struct
193	{
194	uint16_t Lo;
195	uint16_t Hi;
196	} s;
197	} RTUINT16U;
198	/** Pointer to a 16-bit unsigned interger union. */
199	typedef RTUINT16U *PRTUINT16U;
200	/** Pointer to a const 32-bit unsigned interger union. */
201	typedef const RTUINT16U *PCRTUINT16U;
202
203
204	/**
205	* 32-bit unsigned interger union.
206	*/
207	typedef union RTUINT32U
208	{
209	/** natural view. */
210	uint32_t u;
211	/** Hi/Low view. */
212	struct
213	{
214	uint16_t Lo;
215	uint16_t Hi;
216	} s;
217	/** Word view. */
218	struct
219	{
220	uint16_t w0;
221	uint16_t w1;
222	} Words;
223
224	/** 32-bit view. */
225	uint32_t au32[1];
226	/** 16-bit view. */
227	uint16_t au16[2];
228	/** 8-bit view. */
229	uint8_t au8[4];
230	} RTUINT32U;
231	/** Pointer to a 32-bit unsigned interger union. */
232	typedef RTUINT32U *PRTUINT32U;
233	/** Pointer to a const 32-bit unsigned interger union. */
234	typedef const RTUINT32U *PCRTUINT32U;
235
236
237	/**
238	* 64-bit unsigned interger union.
239	*/
240	typedef union RTUINT64U
241	{
242	/** Natural view. */
243	uint64_t u;
244	/** Hi/Low view. */
245	struct
246	{
247	uint32_t Lo;
248	uint32_t Hi;
249	} s;
250	/** Double-Word view. */
251	struct
252	{
253	uint32_t dw0;
254	uint32_t dw1;
255	} DWords;
256	/** Word view. */
257	struct
258	{
259	uint16_t w0;
260	uint16_t w1;
261	uint16_t w2;
262	uint16_t w3;
263	} Words;
264
265	/** 64-bit view. */
266	uint64_t au64[1];
267	/** 32-bit view. */
268	uint32_t au32[2];
269	/** 16-bit view. */
270	uint16_t au16[4];
271	/** 8-bit view. */
272	uint8_t au8[8];
273	} RTUINT64U;
274	/** Pointer to a 64-bit unsigned interger union. */
275	typedef RTUINT64U *PRTUINT64U;
276	/** Pointer to a const 64-bit unsigned interger union. */
277	typedef const RTUINT64U *PCRTUINT64U;
278
279
280	/**
281	* 128-bit unsigned interger union.
282	*/
283	typedef union RTUINT128U
284	{
285	/** Natural view.
286	* WARNING! This member depends on compiler supporing 128-bit stuff. */
287	uint128_t u;
288	/** Hi/Low view. */
289	struct
290	{
291	uint64_t Lo;
292	uint64_t Hi;
293	} s;
294	/** Quad-Word view. */
295	struct
296	{
297	uint64_t qw0;
298	uint64_t qw1;
299	} QWords;
300	/** Double-Word view. */
301	struct
302	{
303	uint32_t dw0;
304	uint32_t dw1;
305	uint32_t dw2;
306	uint32_t dw3;
307	} DWords;
308	/** Word view. */
309	struct
310	{
311	uint16_t w0;
312	uint16_t w1;
313	uint16_t w2;
314	uint16_t w3;
315	uint16_t w4;
316	uint16_t w5;
317	uint16_t w6;
318	uint16_t w7;
319	} Words;
320
321	/** 64-bit view. */
322	uint64_t au64[2];
323	/** 32-bit view. */
324	uint32_t au32[4];
325	/** 16-bit view. */
326	uint16_t au16[8];
327	/** 8-bit view. */
328	uint8_t au8[16];
329	} RTUINT128U;
330	/** Pointer to a 64-bit unsigned interger union. */
331	typedef RTUINT128U *PRTUINT128U;
332	/** Pointer to a const 64-bit unsigned interger union. */
333	typedef const RTUINT128U *PCRTUINT128U;
334
335
336	/** Generic function type.
337	* @see PFNRT
338	*/
339	typedef DECLCALLBACK(void) FNRT(void);
340
341	/** Generic function pointer.
342	* With -pedantic, gcc-4 complains when casting a function to a data object, for example
343	*
344	* @code
345	* void foo(void)
346	* {
347	* }
348	*
349	* void bar = (void )foo;
350	* @endcode
351	*
352	* The compiler would warn with "ISO C++ forbids casting between pointer-to-function and
353	* pointer-to-object". The purpose of this warning is not to bother the programmer but to
354	* point out that he is probably doing something dangerous, assigning a pointer to executable
355	* code to a data object.
356	*/
357	typedef FNRT *PFNRT;
358
359
360	/** @defgroup grp_rt_types_both Common Guest and Host Context Basic Types
361	* @ingroup grp_rt_types
362	* @{
363	*/
364
365	/** Signed integer which can contain both GC and HC pointers. */
366	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
367	typedef int32_t RTINTPTR;
368	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
369	typedef int64_t RTINTPTR;
370	#else
371	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
372	#endif
373	/** Pointer to signed integer which can contain both GC and HC pointers. */
374	typedef RTINTPTR *PRTINTPTR;
375	/** Pointer const to signed integer which can contain both GC and HC pointers. */
376	typedef const RTINTPTR *PCRTINTPTR;
377
378	/** Unsigned integer which can contain both GC and HC pointers. */
379	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
380	typedef uint32_t RTUINTPTR;
381	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
382	typedef uint64_t RTUINTPTR;
383	#else
384	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
385	#endif
386	/** Pointer to unsigned integer which can contain both GC and HC pointers. */
387	typedef RTUINTPTR *PRTUINTPTR;
388	/** Pointer const to unsigned integer which can contain both GC and HC pointers. */
389	typedef const RTUINTPTR *PCRTUINTPTR;
390
391	/** Signed integer. */
392	typedef int32_t RTINT;
393	/** Pointer to signed integer. */
394	typedef RTINT *PRTINT;
395	/** Pointer to const signed integer. */
396	typedef const RTINT *PCRTINT;
397
398	/** Unsigned integer. */
399	typedef uint32_t RTUINT;
400	/** Pointer to unsigned integer. */
401	typedef RTUINT *PRTUINT;
402	/** Pointer to const unsigned integer. */
403	typedef const RTUINT *PCRTUINT;
404
405	/** A file offset / size (off_t). */
406	typedef int64_t RTFOFF;
407	/** Pointer to a file offset / size. */
408	typedef RTFOFF *PRTFOFF;
409
410	/** File mode (see iprt/fs.h). */
411	typedef uint32_t RTFMODE;
412	/** Pointer to file mode. */
413	typedef RTFMODE *PRTFMODE;
414
415	/** Device unix number. */
416	typedef uint32_t RTDEV;
417	/** Pointer to a device unix number. */
418	typedef RTDEV *PRTDEV;
419
420	/** i-node number. */
421	typedef uint64_t RTINODE;
422	/** Pointer to a i-node number. */
423	typedef RTINODE *PRTINODE;
424
425	/** User id. */
426	typedef uint32_t RTUID;
427	/** Pointer to a user id. */
428	typedef RTUID *PRTUID;
429	/** NIL user id.
430	* @todo check this for portability! */
431	#define NIL_RTUID (~(RTUID)0);
432
433	/** Group id. */
434	typedef uint32_t RTGID;
435	/** Pointer to a group id. */
436	typedef RTGID *PRTGID;
437	/** NIL group id.
438	* @todo check this for portability! */
439	#define NIL_RTGID (~(RTGID)0);
440
441	/** I/O Port. */
442	typedef uint16_t RTIOPORT;
443	/** Pointer to I/O Port. */
444	typedef RTIOPORT *PRTIOPORT;
445	/** Pointer to const I/O Port. */
446	typedef const RTIOPORT *PCRTIOPORT;
447
448	/** Selector. */
449	typedef uint16_t RTSEL;
450	/** Pointer to selector. */
451	typedef RTSEL *PRTSEL;
452	/** Pointer to const selector. */
453	typedef const RTSEL *PCRTSEL;
454
455	/** Far 16-bit pointer. */
456	#pragma pack(1)
457	typedef struct RTFAR16
458	{
459	uint16_t off;
460	RTSEL sel;
461	} RTFAR16;
462	#pragma pack()
463	/** Pointer to Far 16-bit pointer. */
464	typedef RTFAR16 *PRTFAR16;
465	/** Pointer to const Far 16-bit pointer. */
466	typedef const RTFAR16 *PCRTFAR16;
467
468	/** Far 32-bit pointer. */
469	#pragma pack(1)
470	typedef struct RTFAR32
471	{
472	uint32_t off;
473	RTSEL sel;
474	} RTFAR32;
475	#pragma pack()
476	/** Pointer to Far 32-bit pointer. */
477	typedef RTFAR32 *PRTFAR32;
478	/** Pointer to const Far 32-bit pointer. */
479	typedef const RTFAR32 *PCRTFAR32;
480
481	/** Far 64-bit pointer. */
482	#pragma pack(1)
483	typedef struct RTFAR64
484	{
485	uint64_t off;
486	RTSEL sel;
487	} RTFAR64;
488	#pragma pack()
489	/** Pointer to Far 64-bit pointer. */
490	typedef RTFAR64 *PRTFAR64;
491	/** Pointer to const Far 64-bit pointer. */
492	typedef const RTFAR64 *PCRTFAR64;
493
494	/** @} */
495
496
497	/** @defgroup grp_rt_types_hc Host Context Basic Types
498	* @ingroup grp_rt_types
499	* @{
500	*/
501
502	/** HC Natural signed integer. */
503	typedef int32_t RTHCINT;
504	/** Pointer to HC Natural signed integer. */
505	typedef RTHCINT *PRTHCINT;
506	/** Pointer to const HC Natural signed integer. */
507	typedef const RTHCINT *PCRTHCINT;
508
509	/** HC Natural unsigned integer. */
510	typedef uint32_t RTHCUINT;
511	/** Pointer to HC Natural unsigned integer. */
512	typedef RTHCUINT *PRTHCUINT;
513	/** Pointer to const HC Natural unsigned integer. */
514	typedef const RTHCUINT *PCRTHCUINT;
515
516
517	/** Signed integer which can contain a HC pointer. */
518	#if HC_ARCH_BITS == 32
519	typedef int32_t RTHCINTPTR;
520	#elif HC_ARCH_BITS == 64
521	typedef int64_t RTHCINTPTR;
522	#else
523	# error Unsupported HC_ARCH_BITS value.
524	#endif
525	/** Pointer to signed interger which can contain a HC pointer. */
526	typedef RTHCINTPTR *PRTHCINTPTR;
527	/** Pointer to const signed interger which can contain a HC pointer. */
528	typedef const RTHCINTPTR *PCRTHCINTPTR;
529
530	/** Signed integer which can contain a HC ring-3 pointer. */
531	#if R3_ARCH_BITS == 32
532	typedef int32_t RTR3INTPTR;
533	#elif R3_ARCH_BITS == 64
534	typedef int64_t RTR3INTPTR;
535	#else
536	# error Unsupported R3_ARCH_BITS value.
537	#endif
538	/** Pointer to signed interger which can contain a HC ring-3 pointer. */
539	typedef RTR3INTPTR *PRTR3INTPTR;
540	/** Pointer to const signed interger which can contain a HC ring-3 pointer. */
541	typedef const RTR3INTPTR *PCRTR3INTPTR;
542
543	/** Signed integer which can contain a HC ring-0 pointer. */
544	#if R0_ARCH_BITS == 32
545	typedef int32_t RTR0INTPTR;
546	#elif R0_ARCH_BITS == 64
547	typedef int64_t RTR0INTPTR;
548	#else
549	# error Unsupported R0_ARCH_BITS value.
550	#endif
551	/** Pointer to signed interger which can contain a HC ring-0 pointer. */
552	typedef RTR0INTPTR *PRTR0INTPTR;
553	/** Pointer to const signed interger which can contain a HC ring-0 pointer. */
554	typedef const RTR0INTPTR *PCRTR0INTPTR;
555
556
557	/** Unsigned integer which can contain a HC pointer. */
558	#if HC_ARCH_BITS == 32
559	typedef uint32_t RTHCUINTPTR;
560	#elif HC_ARCH_BITS == 64
561	typedef uint64_t RTHCUINTPTR;
562	#else
563	# error Unsupported HC_ARCH_BITS value.
564	#endif
565	/** Pointer to unsigned interger which can contain a HC pointer. */
566	typedef RTHCUINTPTR *PRTHCUINTPTR;
567	/** Pointer to unsigned interger which can contain a HC pointer. */
568	typedef const RTHCUINTPTR *PCRTHCUINTPTR;
569
570	/** Unsigned integer which can contain a HC ring-3 pointer. */
571	#if R3_ARCH_BITS == 32
572	typedef uint32_t RTR3UINTPTR;
573	#elif R3_ARCH_BITS == 64
574	typedef uint64_t RTR3UINTPTR;
575	#else
576	# error Unsupported R3_ARCH_BITS value.
577	#endif
578	/** Pointer to unsigned interger which can contain a HC ring-3 pointer. */
579	typedef RTR3UINTPTR *PRTR3UINTPTR;
580	/** Pointer to unsigned interger which can contain a HC ring-3 pointer. */
581	typedef const RTR3UINTPTR *PCRTR3UINTPTR;
582
583	/** Unsigned integer which can contain a HC ring-0 pointer. */
584	#if R0_ARCH_BITS == 32
585	typedef uint32_t RTR0UINTPTR;
586	#elif R0_ARCH_BITS == 64
587	typedef uint64_t RTR0UINTPTR;
588	#else
589	# error Unsupported R0_ARCH_BITS value.
590	#endif
591	/** Pointer to unsigned interger which can contain a HC ring-0 pointer. */
592	typedef RTR0UINTPTR *PRTR0UINTPTR;
593	/** Pointer to unsigned interger which can contain a HC ring-0 pointer. */
594	typedef const RTR0UINTPTR *PCRTR0UINTPTR;
595
596
597	/** Host Physical Memory Address.
598	* @todo This should be configurable at compile time too...
599	*/
600	typedef uint64_t RTHCPHYS;
601	/** Pointer to Host Physical Memory Address. */
602	typedef RTHCPHYS *PRTHCPHYS;
603	/** Pointer to const Host Physical Memory Address. */
604	typedef const RTHCPHYS *PCRTHCPHYS;
605	/** @def NIL_RTHCPHYS
606	* NIL HC Physical Address.
607	* NIL_RTHCPHYS is used to signal an invalid physical address, similar
608	* to the NULL pointer.
609	*/
610	#define NIL_RTHCPHYS ((RTHCPHYS)~0U) /** @todo change this to (~(VBOXHCPHYS)0) */
611
612
613	/** HC pointer. */
614	#ifndef IN_GC
615	typedef void * RTHCPTR;
616	#else
617	typedef RTHCUINTPTR RTHCPTR;
618	#endif
619	/** Pointer to HC pointer. */
620	typedef RTHCPTR *PRTHCPTR;
621	/** Pointer to const HC pointer. */
622	typedef const RTHCPTR *PCRTHCPTR;
623	/** @def NIL_RTHCPTR
624	* NIL HC pointer.
625	*/
626	#define NIL_RTHCPTR ((RTHCPTR)0)
627
628	/** HC ring-3 pointer. */
629	#ifdef IN_RING3
630	typedef void * RTR3PTR;
631	#else
632	typedef RTR3UINTPTR RTR3PTR;
633	#endif
634	/** Pointer to HC ring-3 pointer. */
635	typedef RTR3PTR *PRTR3PTR;
636	/** Pointer to const HC ring-3 pointer. */
637	typedef const RTR3PTR *PCRTR3PTR;
638	/** @def NIL_RTR3PTR
639	* NIL HC ring-3 pointer.
640	*/
641	#define NIL_RTR3PTR ((RTR3PTR)0)
642
643	/** HC ring-0 pointer. */
644	#ifdef IN_RING0
645	typedef void * RTR0PTR;
646	#else
647	typedef RTR0UINTPTR RTR0PTR;
648	#endif
649	/** Pointer to HC ring-0 pointer. */
650	typedef RTR0PTR *PRTR0PTR;
651	/** Pointer to const HC ring-0 pointer. */
652	typedef const RTR0PTR *PCRTR0PTR;
653	/** @def NIL_RTR0PTR
654	* NIL HC ring-0 pointer.
655	*/
656	#define NIL_RTR0PTR ((RTR0PTR)0)
657
658
659	/** Unsigned integer register in the host context. */
660	#if HC_ARCH_BITS == 32
661	typedef uint32_t RTHCUINTREG;
662	#elif HC_ARCH_BITS == 64
663	typedef uint64_t RTHCUINTREG;
664	#else
665	# error "Unsupported HC_ARCH_BITS!"
666	#endif
667	/** Pointer to an unsigned integer register in the host context. */
668	typedef RTHCUINTREG *PRTHCUINTREG;
669	/** Pointer to a const unsigned integer register in the host context. */
670	typedef const RTHCUINTREG *PCRTHCUINTREG;
671
672	/** Unsigned integer register in the host ring-3 context. */
673	#if R3_ARCH_BITS == 32
674	typedef uint32_t RTR3UINTREG;
675	#elif R3_ARCH_BITS == 64
676	typedef uint64_t RTR3UINTREG;
677	#else
678	# error "Unsupported R3_ARCH_BITS!"
679	#endif
680	/** Pointer to an unsigned integer register in the host ring-3 context. */
681	typedef RTR3UINTREG *PRTR3UINTREG;
682	/** Pointer to a const unsigned integer register in the host ring-3 context. */
683	typedef const RTR3UINTREG *PCRTR3UINTREG;
684
685	/** Unsigned integer register in the host ring-3 context. */
686	#if R0_ARCH_BITS == 32
687	typedef uint32_t RTR0UINTREG;
688	#elif R0_ARCH_BITS == 64
689	typedef uint64_t RTR0UINTREG;
690	#else
691	# error "Unsupported R3_ARCH_BITS!"
692	#endif
693	/** Pointer to an unsigned integer register in the host ring-3 context. */
694	typedef RTR0UINTREG *PRTR0UINTREG;
695	/** Pointer to a const unsigned integer register in the host ring-3 context. */
696	typedef const RTR0UINTREG *PCRTR0UINTREG;
697
698	/** @} */
699
700
701	/** @defgroup grp_rt_types_gc Guest Context Basic Types
702	* @ingroup grp_rt_types
703	* @{
704	*/
705
706	/** Natural signed integer in the GC. */
707	typedef int32_t RTGCINT;
708	/** Pointer to natural signed interger in GC. */
709	typedef RTGCINT *PRTGCINT;
710	/** Pointer to const natural signed interger in GC. */
711	typedef const RTGCINT *PCRTGCINT;
712
713	/** Natural signed uninteger in the GC. */
714	typedef uint32_t RTGCUINT;
715	/** Pointer to natural unsigned interger in GC. */
716	typedef RTGCUINT *PRTGCUINT;
717	/** Pointer to const natural unsigned interger in GC. */
718	typedef const RTGCUINT *PCRTGCUINT;
719
720	/** Signed integer which can contain a GC pointer. */
721	#if GC_ARCH_BITS == 32
722	typedef int32_t RTGCINTPTR;
723	#elif GC_ARCH_BITS == 64
724	typedef int64_t RTGCINTPTR;
725	#else
726	# error Unsupported GC_ARCH_BITS value.
727	#endif
728	/** Pointer to signed interger which can contain a GC pointer. */
729	typedef RTGCINTPTR *PRTGCINTPTR;
730	/** Pointer to const signed interger which can contain a GC pointer. */
731	typedef const RTGCINTPTR *PCRTGCINTPTR;
732
733	/** Unsigned integer which can contain a GC pointer. */
734	#if GC_ARCH_BITS == 32
735	typedef uint32_t RTGCUINTPTR;
736	#elif GC_ARCH_BITS == 64
737	typedef uint64_t RTGCUINTPTR;
738	#else
739	# error Unsupported GC_ARCH_BITS value.
740	#endif
741	/** Pointer to unsigned interger which can contain a GC pointer. */
742	typedef RTGCUINTPTR *PRTGCUINTPTR;
743	/** Pointer to unsigned interger which can contain a GC pointer. */
744	typedef const RTGCUINTPTR *PCRTGCUINTPTR;
745
746	/** Unsigned integer which can contain a 32 bits GC pointer. */
747	typedef uint32_t RTGCUINTPTR32;
748	/** Pointer to unsigned interger which can contain a 32 bits GC pointer. */
749	typedef RTGCUINTPTR32 *PRTGCUINTPTR32;
750	/** Pointer to unsigned interger which can contain a 32 bits GC pointer. */
751	typedef const RTGCUINTPTR32 *PCRTGCUINTPTR32;
752
753	/** Unsigned integer which can contain a 64 bits GC pointer. */
754	typedef uint64_t RTGCUINTPTR64;
755	/** Pointer to unsigned interger which can contain a 32 bits GC pointer. */
756	typedef RTGCUINTPTR64 *PRTGCUINTPTR64;
757	/** Pointer to unsigned interger which can contain a 32 bits GC pointer. */
758	typedef const RTGCUINTPTR64 *PCRTGCUINTPTR64;
759
760	/** Guest Physical Memory Address.*/
761	typedef uint64_t RTGCPHYS;
762	/** Pointer to Guest Physical Memory Address. */
763	typedef RTGCPHYS *PRTGCPHYS;
764	/** Pointer to const Guest Physical Memory Address. */
765	typedef const RTGCPHYS *PCRTGCPHYS;
766	/** @def NIL_RTGCPHYS
767	* NIL GC Physical Address.
768	* NIL_RTGCPHYS is used to signal an invalid physical address, similar
769	* to the NULL pointer. Note that this value may actually be valid in
770	* some contexts.
771	*/
772	#define NIL_RTGCPHYS (~(RTGCPHYS)0U)
773
774
775	/** Guest Physical Memory Address; limited to 32 bits.*/
776	typedef uint32_t RTGCPHYS32;
777	/** Pointer to Guest Physical Memory Address. */
778	typedef RTGCPHYS32 *PRTGCPHYS32;
779	/** Pointer to const Guest Physical Memory Address. */
780	typedef const RTGCPHYS32 *PCRTGCPHYS32;
781	/** @def NIL_RTGCPHYS32
782	* NIL GC Physical Address.
783	* NIL_RTGCPHYS32 is used to signal an invalid physical address, similar
784	* to the NULL pointer. Note that this value may actually be valid in
785	* some contexts.
786	*/
787	#define NIL_RTGCPHYS32 (~(RTGCPHYS32)0)
788
789
790	/** Guest Physical Memory Address; limited to 64 bits.*/
791	typedef uint64_t RTGCPHYS64;
792	/** Pointer to Guest Physical Memory Address. */
793	typedef RTGCPHYS64 *PRTGCPHYS64;
794	/** Pointer to const Guest Physical Memory Address. */
795	typedef const RTGCPHYS64 *PCRTGCPHYS64;
796	/** @def NIL_RTGCPHYS64
797	* NIL GC Physical Address.
798	* NIL_RTGCPHYS64 is used to signal an invalid physical address, similar
799	* to the NULL pointer. Note that this value may actually be valid in
800	* some contexts.
801	*/
802	#define NIL_RTGCPHYS64 (~(RTGCPHYS64)0)
803
804	/** Guest context pointer.
805	* Keep in mind that this type is an unsigned integer in
806	* HC and void pointer in GC.
807	*/
808	#ifdef IN_GC
809	typedef void *RTGCPTR;
810	#else
811	typedef RTGCUINTPTR RTGCPTR;
812	#endif
813	/** Pointer to a guest context pointer. */
814	typedef RTGCPTR *PRTGCPTR;
815	/** Pointer to a const guest context pointer. */
816	typedef const RTGCPTR *PCRTGCPTR;
817	/** @def NIL_RTGCPTR
818	* NIL GC pointer.
819	*/
820	#define NIL_RTGCPTR ((RTGCPTR)0)
821
822	/** Guest context pointer, 32 bits.
823	* Keep in mind that this type is an unsigned integer in
824	* HC and void pointer in GC.
825	*/
826	#ifdef IN_GC
827	typedef void *RTGCPTR32;
828	#else
829	typedef RTGCUINTPTR32 RTGCPTR32;
830	#endif
831	/** Pointer to a guest context pointer. */
832	typedef RTGCPTR32 *PRTGCPTR32;
833	/** Pointer to a const guest context pointer. */
834	typedef const RTGCPTR32 *PCRTGCPTR32;
835	/** @def NIL_RTGCPTR32
836	* NIL GC pointer.
837	*/
838	#define NIL_RTGCPTR32 ((RTGCPTR32)0)
839
840	/** Guest context pointer, 64 bits.
841	*/
842	typedef RTGCUINTPTR64 RTGCPTR64;
843	/** Pointer to a guest context pointer. */
844	typedef RTGCPTR64 *PRTGCPTR64;
845	/** Pointer to a const guest context pointer. */
846	typedef const RTGCPTR64 *PCRTGCPTR64;
847	/** @def NIL_RTGCPTR64
848	* NIL GC pointer.
849	*/
850	#define NIL_RTGCPTR64 ((RTGCPTR64)0)
851
852	/** Unsigned integer register in the guest context. */
853	#if GC_ARCH_BITS == 32
854	typedef uint32_t RTGCUINTREG;
855	#elif GC_ARCH_BITS == 64
856	typedef uint64_t RTGCUINTREG;
857	#else
858	# error "Unsupported GC_ARCH_BITS!"
859	#endif
860	/** Pointer to an unsigned integer register in the guest context. */
861	typedef RTGCUINTREG *PRTGCUINTREG;
862	/** Pointer to a const unsigned integer register in the guest context. */
863	typedef const RTGCUINTREG *PCRTGCUINTREG;
864
865	/** @} */
866
867
868	/** @defgroup grp_rt_types_cc Current Context Basic Types
869	* @ingroup grp_rt_types
870	* @{
871	*/
872
873	/** Current Context Physical Memory Address.*/
874	#ifdef IN_GC
875	typedef RTGCPHYS RTCCPHYS;
876	#else
877	typedef RTHCPHYS RTCCPHYS;
878	#endif
879	/** Pointer to Current Context Physical Memory Address. */
880	typedef RTCCPHYS *PRTCCPHYS;
881	/** Pointer to const Current Context Physical Memory Address. */
882	typedef const RTCCPHYS *PCRTCCPHYS;
883	/** @def NIL_RTCCPHYS
884	* NIL CC Physical Address.
885	* NIL_RTCCPHYS is used to signal an invalid physical address, similar
886	* to the NULL pointer.
887	*/
888	#ifdef IN_GC
889	# define NIL_RTCCPHYS NIL_RTGCPHYS
890	#else
891	# define NIL_RTCCPHYS NIL_RTHCPHYS
892	#endif
893
894	/** Unsigned integer register in the current context. */
895	#if ARCH_BITS == 32
896	typedef uint32_t RTCCUINTREG;
897	#elif ARCH_BITS == 64
898	typedef uint64_t RTCCUINTREG;
899	#else
900	# error "Unsupported ARCH_BITS!"
901	#endif
902	/** Pointer to an unsigned integer register in the current context. */
903	typedef RTCCUINTREG *PRTCCUINTREG;
904	/** Pointer to a const unsigned integer register in the current context. */
905	typedef const RTCCUINTREG *PCRTCCUINTREG;
906
907	/** @deprecated */
908	typedef RTCCUINTREG RTUINTREG;
909	/** @deprecated */
910	typedef RTCCUINTREG *PRTUINTREG;
911	/** @deprecated */
912	typedef const RTCCUINTREG *PCRTUINTREG;
913
914	/** @} */
915
916
917	/** File handle. */
918	typedef RTUINT RTFILE;
919	/** Pointer to file handle. */
920	typedef RTFILE *PRTFILE;
921	/** Nil file handle. */
922	#define NIL_RTFILE (~(RTFILE)0)
923
924	/** Loader module handle. */
925	typedef R3PTRTYPE(struct RTLDRMODINTERNAL *) RTLDRMOD;
926	/** Pointer to a loader module handle. */
927	typedef RTLDRMOD *PRTLDRMOD;
928	/** Nil loader module handle. */
929	#define NIL_RTLDRMOD 0
930
931	/** Ring-0 memory object handle. */
932	typedef R0PTRTYPE(struct RTR0MEMOBJINTERNAL *) RTR0MEMOBJ;
933	/** Pointer to a Ring-0 memory object handle. */
934	typedef RTR0MEMOBJ *PRTR0MEMOBJ;
935	/** Nil ring-0 memory object handle. */
936	#define NIL_RTR0MEMOBJ 0
937
938	/** Native thread handle. */
939	typedef RTHCUINTPTR RTNATIVETHREAD;
940	/** Pointer to an native thread handle. */
941	typedef RTNATIVETHREAD *PRTNATIVETHREAD;
942	/** Nil native thread handle. */
943	#define NIL_RTNATIVETHREAD (~(RTNATIVETHREAD)0)
944
945	/** Process identifier. */
946	typedef uint32_t RTPROCESS;
947	/** Pointer to a process identifier. */
948	typedef RTPROCESS *PRTPROCESS;
949	/** Nil process identifier. */
950	#define NIL_RTPROCESS (~(RTPROCESS)0)
951
952	/** Process ring-0 handle. */
953	typedef RTR0UINTPTR RTR0PROCESS;
954	/** Pointer to a ring-0 process handle. */
955	typedef RTR0PROCESS *PRTR0PROCESS;
956	/** Nil ring-0 process handle. */
957	#define NIL_RTR0PROCESS (~(RTR0PROCESS)0)
958
959	/** @typedef RTSEMEVENT
960	* Event Semaphore handle. */
961	typedef R3R0PTRTYPE(struct RTSEMEVENTINTERNAL *) RTSEMEVENT;
962	/** Pointer to an event semaphore handle. */
963	typedef RTSEMEVENT *PRTSEMEVENT;
964	/** Nil event semaphore handle. */
965	#define NIL_RTSEMEVENT 0
966
967	/** @typedef RTSEMEVENTMULTI
968	* Event Multiple Release Semaphore handle. */
969	typedef R3R0PTRTYPE(struct RTSEMEVENTMULTIINTERNAL *) RTSEMEVENTMULTI;
970	/** Pointer to an event multiple release semaphore handle. */
971	typedef RTSEMEVENTMULTI *PRTSEMEVENTMULTI;
972	/** Nil multiple release event semaphore handle. */
973	#define NIL_RTSEMEVENTMULTI 0
974
975	/** @typedef RTSEMFASTMUTEX
976	* Fast mutex Semaphore handle. */
977	typedef R3R0PTRTYPE(struct RTSEMFASTMUTEXINTERNAL *) RTSEMFASTMUTEX;
978	/** Pointer to a mutex semaphore handle. */
979	typedef RTSEMFASTMUTEX *PRTSEMFASTMUTEX;
980	/** Nil fast mutex semaphore handle. */
981	#define NIL_RTSEMFASTMUTEX 0
982
983	/** @typedef RTSEMMUTEX
984	* Mutex Semaphore handle. */
985	typedef R3R0PTRTYPE(struct RTSEMMUTEXINTERNAL *) RTSEMMUTEX;
986	/** Pointer to a mutex semaphore handle. */
987	typedef RTSEMMUTEX *PRTSEMMUTEX;
988	/** Nil mutex semaphore handle. */
989	#define NIL_RTSEMMUTEX 0
990
991	/** @typedef RTSEMRW
992	* Read/Write Semaphore handle. */
993	typedef R3R0PTRTYPE(struct RTSEMRWINTERNAL *) RTSEMRW;
994	/** Pointer to a read/write semaphore handle. */
995	typedef RTSEMRW *PRTSEMRW;
996	/** Nil read/write semaphore handle. */
997	#define NIL_RTSEMRW 0
998
999	/** Spinlock handle. */
1000	typedef R3R0PTRTYPE(struct RTSPINLOCKINTERNAL *) RTSPINLOCK;
1001	/** Pointer to a spinlock handle. */
1002	typedef RTSPINLOCK *PRTSPINLOCK;
1003	/** Nil spinlock handle. */
1004	#define NIL_RTSPINLOCK 0
1005
1006	/** Socket handle. */
1007	typedef int RTSOCKET;
1008	/** Pointer to socket handle. */
1009	typedef RTSOCKET *PRTSOCKET;
1010	/** Nil socket handle. */
1011	#define NIL_RTSOCKET (~(RTSOCKET)0)
1012
1013	/** Thread handle.*/
1014	typedef R3R0PTRTYPE(struct RTTHREADINT *) RTTHREAD;
1015	/** Pointer to thread handle. */
1016	typedef RTTHREAD *PRTTHREAD;
1017	/** Nil thread handle. */
1018	#define NIL_RTTHREAD 0
1019
1020	/** A TLS index. */
1021	typedef int RTTLS;
1022	/** Pointer to a TLS index. */
1023	typedef RTTLS *PRTTLS;
1024	/** Pointer to a const TLS index. */
1025	typedef RTTLS const *PCRTTLS;
1026	/** NIL TLS index value. */
1027	#define NIL_RTTLS (-1)
1028
1029	/** Handle to a simple heap. */
1030	typedef R3R0PTRTYPE(struct RTHEAPSIMPLEINTERNAL *) RTHEAPSIMPLE;
1031	/** Pointer to a handle to a simple heap. */
1032	typedef RTHEAPSIMPLE *PRTHEAPSIMPLE;
1033	/** NIL simple heap handle. */
1034	#define NIL_RTHEAPSIMPLE ((RTHEAPSIMPLE)0)
1035
1036	/** Handle to an environment block. */
1037	typedef R3PTRTYPE(struct RTENVINTERNAL *) RTENV;
1038	/** Pointer to a handle to an environment block. */
1039	typedef RTENV *PRTENV;
1040	/** NIL simple heap handle. */
1041	#define NIL_RTENV ((RTENV)0)
1042
1043	/** A CPU identifier.
1044	* @remarks This doesn't have to correspond to the APIC ID (intel/amd). Nor
1045	* does it have to correspond to the bits in the affinity mask, at
1046	* least not until we've sorted out Windows NT. */
1047	typedef RTHCUINTPTR RTCPUID;
1048	/** Pointer to a CPU identifier. */
1049	typedef RTCPUID *PRTCPUID;
1050	/** Pointer to a const CPU identifier. */
1051	typedef RTCPUID const *PCRTCPUID;
1052	/** Nil CPU Id. */
1053	#define NIL_RTCPUID ((RTCPUID)~0)
1054
1055	/** A CPU set.
1056	* Treat this as an opaque type and always use RTCpuSet* for manupulating it. */
1057	typedef uint64_t RTCPUSET;
1058	/** Pointer to a CPU set. */
1059	typedef RTCPUSET *PRTCPUSET;
1060	/** Pointer to a const CPU set. */
1061	typedef RTCPUSET const *PCRTCPUSET;
1062
1063
1064	/**
1065	* UUID data type.
1066	*/
1067	typedef union RTUUID
1068	{
1069	/** 8-bit view. */
1070	uint8_t au8[16];
1071	/** 16-bit view. */
1072	uint16_t au16[8];
1073	/** 32-bit view. */
1074	uint32_t au32[4];
1075	/** 64-bit view. */
1076	uint64_t au64[2];
1077	/** The way the UUID is declared by the ext2 guys. */
1078	struct
1079	{
1080	uint32_t u32TimeLow;
1081	uint16_t u16TimeMid;
1082	uint16_t u16TimeHiAndVersion;
1083	uint16_t u16ClockSeq;
1084	uint8_t au8Node[6];
1085	} Gen;
1086	/** @deprecated */
1087	unsigned char aUuid[16];
1088	} RTUUID;
1089	/** Pointer to UUID data. */
1090	typedef RTUUID *PRTUUID;
1091	/** Pointer to readonly UUID data. */
1092	typedef const RTUUID *PCRTUUID;
1093
1094	/**
1095	* UUID string maximum length.
1096	*/
1097	#define RTUUID_STR_LENGTH 37
1098
1099
1100	/** Compression handle. */
1101	typedef struct RTZIPCOMP *PRTZIPCOMP;
1102
1103	/** Decompressor handle. */
1104	typedef struct RTZIPDECOMP *PRTZIPDECOMP;
1105
1106
1107	/**
1108	* Unicode Code Point.
1109	*/
1110	typedef uint32_t RTUNICP;
1111	/** Pointer to an Unicode Code Point. */
1112	typedef RTUNICP *PRTUNICP;
1113	/** Pointer to an Unicode Code Point. */
1114	typedef const RTUNICP *PCRTUNICP;
1115
1116
1117	/**
1118	* UTF-16 character.
1119	* @remark wchar_t is not usable since it's compiler defined.
1120	* @remark When we use the term character we're not talking about unicode code point, but
1121	* the basic unit of the string encoding. Thus cwc - count of wide chars - means
1122	* count of RTUTF16; cuc - count of unicode chars - means count of RTUNICP;
1123	* and cch means count of the typedef 'char', which is assumed to be an octet.
1124	*/
1125	typedef uint16_t RTUTF16;
1126	/** Pointer to a UTF-16 character. */
1127	typedef RTUTF16 *PRTUTF16;
1128	/** Pointer to a const UTF-16 character. */
1129	typedef const RTUTF16 *PCRTUTF16;
1130
1131
1132	/**
1133	* Wait for ever if we have to.
1134	*/
1135	#define RT_INDEFINITE_WAIT (~0U)
1136
1137
1138	/**
1139	* Generic process callback.
1140	*
1141	* @returns VBox status code. Failure will cancel the operation.
1142	* @param uPercentage The percentage of the operation which has been completed.
1143	* @param pvUser The user specified argument.
1144	*/
1145	typedef DECLCALLBACK(int) FNRTPROGRESS(unsigned uPrecentage, void *pvUser);
1146	/** Pointer to a generic progress callback function, FNRTPROCESS(). */
1147	typedef FNRTPROGRESS *PFNRTPROGRESS;
1148
1149
1150	/**
1151	* Rectangle data type.
1152	*/
1153	typedef struct RTRECT
1154	{
1155	/** left X coordinate. */
1156	int32_t xLeft;
1157	/** top Y coordinate. */
1158	int32_t yTop;
1159	/** right X coordinate. (exclusive) */
1160	int32_t xRight;
1161	/** bottom Y coordinate. (exclusive) */
1162	int32_t yBottom;
1163	} RTRECT;
1164	/** Pointer to a rectangle. */
1165	typedef RTRECT *PRTRECT;
1166	/** Pointer to a const rectangle. */
1167	typedef const RTRECT *PCRTRECT;
1168
1169	/** @} */
1170
1171	#endif
1172

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