cdefs.h@ 98651

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1	/** @file
2	* VirtualBox - Common C and C++ definition.
3	*/
4
5	/*
6	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef VBOX_INCLUDED_cdefs_h
37	#define VBOX_INCLUDED_cdefs_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <iprt/cdefs.h>
43
44
45	/** @defgroup grp_vbox_cdefs VBox Common Defintions and Macros
46	* @{
47	*/
48
49	/** @def VBOX_WITH_STATISTICS
50	* When defined all statistics will be included in the build.
51	* This is enabled by default in all debug builds.
52	*/
53	#ifndef VBOX_WITH_STATISTICS
54	# ifdef DEBUG
55	# define VBOX_WITH_STATISTICS
56	# endif
57	#endif
58
59	/** @def VBOX_STRICT
60	* Alias for RT_STRICT.
61	*/
62	#ifdef RT_STRICT
63	# ifndef VBOX_STRICT
64	# define VBOX_STRICT
65	# endif
66	#endif
67
68	/** @def VBOX_STRICT_GUEST
69	* Be strict on guest input. This can be overriden on the compiler command line
70	* or per source file by defining VBOX_NO_STRICT_GUEST.
71	*
72	* @sa VBox/assert.h and its ASSERT_GUEST_XXXX macros.
73	*/
74	#ifndef VBOX_STRICT_GUEST
75	# ifdef VBOX_STRICT
76	# define VBOX_STRICT_GUEST
77	# endif
78	#endif
79	/** @def VBOX_NO_STRICT_GUEST
80	* Define to override VBOX_STRICT_GUEST, disabling asserting on guest input. */
81	#ifdef VBOX_NO_STRICT_GUEST
82	# undef VBOX_STRICT_GUEST
83	#endif
84
85
86	/*
87	* Shut up DOXYGEN warnings and guide it properly thru the code.
88	*/
89	#ifdef DOXYGEN_RUNNING
90	#define VBOX_WITH_STATISTICS
91	#define VBOX_STRICT
92	#define VBOX_STRICT_GUEST
93	#define VBOX_NO_STRICT_GUEST
94	#define IN_DBG
95	#define IN_DIS
96	#define IN_INTNET_R0
97	#define IN_INTNET_R3
98	#define IN_PCIRAW_R0
99	#define IN_PCIRAW_R3
100	#define IN_REM_R3
101	#define IN_SUP_R0
102	#define IN_SUP_R3
103	#define IN_SUP_RC
104	#define IN_SUP_STATIC
105	#define IN_USBLIB
106	#define IN_VBOXDDU
107	#define IN_VMM_RC
108	#define IN_VMM_R0
109	#define IN_VMM_R3
110	#define IN_VMM_STATIC
111	#endif
112
113
114
115
116	/** @def VBOXCALL
117	* The standard calling convention for VBOX interfaces.
118	*/
119	#define VBOXCALL RTCALL
120
121
122
123	/** @def IN_DIS
124	* Used to indicate whether we're inside the same link module as the
125	* disassembler.
126	*/
127	/** @def DISDECL(type)
128	* Disassembly export or import declaration.
129	* @param type The return type of the function declaration.
130	*/
131	#if defined(IN_DIS)
132	# ifdef IN_DIS_STATIC
133	# define DISDECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
134	# else
135	# define DISDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
136	# endif
137	#else
138	# define DISDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
139	#endif
140
141
142
143	/** @def IN_DBG
144	* Used to indicate whether we're inside the same link module as the debugger
145	* console, gui, and related things (ring-3).
146	*/
147	/** @def DBGDECL(type)
148	* Debugger module export or import declaration.
149	* Functions declared using this exists only in R3 since the
150	* debugger modules is R3 only.
151	* @param type The return type of the function declaration.
152	*/
153	#if defined(IN_DBG_R3) \|\| defined(IN_DBG)
154	# define DBGDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
155	#else
156	# define DBGDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
157	#endif
158
159
160
161	/** @def IN_INTNET_R3
162	* Used to indicate whether we're inside the same link module as the Ring-3
163	* Internal Networking Service.
164	*/
165	/** @def INTNETR3DECL(type)
166	* Internal Networking Service export or import declaration.
167	* @param type The return type of the function declaration.
168	*/
169	#ifdef IN_INTNET_R3
170	# define INTNETR3DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
171	#else
172	# define INTNETR3DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
173	#endif
174
175	/** @def IN_INTNET_R0
176	* Used to indicate whether we're inside the same link module as the R0
177	* Internal Network Service.
178	*/
179	/** @def INTNETR0DECL(type)
180	* Internal Networking Service export or import declaration.
181	* @param type The return type of the function declaration.
182	*/
183	#ifdef IN_INTNET_R0
184	# define INTNETR0DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
185	#else
186	# define INTNETR0DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
187	#endif
188
189
190
191	/** @def IN_PCIRAW_R3
192	* Used to indicate whether we're inside the same link module as the Ring-3
193	* PCI passthrough support.
194	*/
195	/** @def PCIRAWR3DECL(type)
196	* PCI passthrough export or import declaration.
197	* @param type The return type of the function declaration.
198	*/
199	#ifdef IN_PCIRAW_R3
200	# define PCIRAWR3DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
201	#else
202	# define PCIRAWR3DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
203	#endif
204
205	/** @def IN_PCIRAW_R0
206	* Used to indicate whether we're inside the same link module as the R0
207	* PCI passthrough support.
208	*/
209	/** @def PCIRAWR0DECL(type)
210	* PCI passthroug export or import declaration.
211	* @param type The return type of the function declaration.
212	*/
213	#ifdef IN_PCIRAW_R0
214	# define PCIRAWR0DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
215	#else
216	# define PCIRAWR0DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
217	#endif
218
219
220
221	/** @def IN_REM_R3
222	* Used to indicate whether we're inside the same link module as
223	* the HC Ring-3 Recompiled Execution Manager.
224	*/
225	/** @def REMR3DECL(type)
226	* Recompiled Execution Manager HC Ring-3 export or import declaration.
227	* @param type The return type of the function declaration.
228	*/
229	#ifdef IN_REM_R3
230	# define REMR3DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
231	#else
232	# define REMR3DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
233	#endif
234
235
236
237	/** @def IN_SUP_R3
238	* Used to indicate whether we're inside the same link module as the Ring-3
239	* Support Library or not.
240	*/
241	/** @def SUPR3DECL(type)
242	* Support library export or import declaration.
243	* @param type The return type of the function declaration.
244	*/
245	#ifdef IN_SUP_R3
246	# ifdef IN_SUP_STATIC
247	# define SUPR3DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
248	# else
249	# define SUPR3DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
250	# endif
251	#else
252	# ifdef IN_SUP_STATIC
253	# define SUPR3DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
254	# else
255	# define SUPR3DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
256	# endif
257	#endif
258
259	/** @def IN_SUP_R0
260	* Used to indicate whether we're inside the same link module as the Ring-0
261	* Support Library or not.
262	*/
263	/** @def IN_SUP_STATIC
264	* Used to indicate that the Support Library is built or used as a static
265	* library.
266	*/
267	/** @def SUPR0DECL(type)
268	* Support library export or import declaration.
269	* @param type The return type of the function declaration.
270	*/
271	#ifdef IN_SUP_R0
272	# ifdef IN_SUP_STATIC
273	# define SUPR0DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
274	# else
275	# define SUPR0DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
276	# endif
277	#else
278	# ifdef IN_SUP_STATIC
279	# define SUPR0DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
280	# else
281	# define SUPR0DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
282	# endif
283	#endif
284
285	/** @def IN_SUP_RC
286	* Used to indicate whether we're inside the same link module as the RC Support
287	* Library or not.
288	*/
289	/** @def SUPRCDECL(type)
290	* Support library export or import declaration.
291	* @param type The return type of the function declaration.
292	*/
293	#ifdef IN_SUP_RC
294	# define SUPRCDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
295	#else
296	# define SUPRCDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
297	#endif
298
299	/** @def IN_SUP_R0
300	* Used to indicate whether we're inside the same link module as the Ring-0
301	* Support Library or not.
302	*/
303	/** @def SUPR0DECL(type)
304	* Support library export or import declaration.
305	* @param type The return type of the function declaration.
306	*/
307	#if defined(IN_SUP_R0) \|\| defined(IN_SUP_R3) \|\| defined(IN_SUP_RC)
308	# define SUPDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
309	#else
310	# define SUPDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
311	#endif
312
313
314
315	/** @def IN_USBLIB
316	* Used to indicate whether we're inside the same link module as the USBLib.
317	*/
318	/** @def USBLIB_DECL
319	* USBLIB export or import declaration.
320	* @param type The return type of the function declaration.
321	*/
322	#ifdef IN_RING0
323	# define USBLIB_DECL(type) type VBOXCALL
324	#elif defined(IN_USBLIB)
325	# define USBLIB_DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
326	#else
327	# define USBLIB_DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
328	#endif
329
330
331
332	/** @def IN_VMM_STATIC
333	* Used to indicate that the virtual machine monitor is built or used as a
334	* static library.
335	*/
336	/** @def IN_VMM_R3
337	* Used to indicate whether we're inside the same link module as the ring 3 part of the
338	* virtual machine monitor or not.
339	*/
340	/** @def VMMR3DECL
341	* Ring-3 VMM export or import declaration.
342	* @param type The return type of the function declaration.
343	*/
344	#ifdef IN_VMM_R3
345	# ifdef IN_VMM_STATIC
346	# define VMMR3DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
347	# else
348	# define VMMR3DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
349	# endif
350	#elif defined(IN_RING3)
351	# ifdef IN_VMM_STATIC
352	# define VMMR3DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
353	# else
354	# define VMMR3DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
355	# endif
356	#else
357	# define VMMR3DECL(type) DECL_INVALID(type)
358	#endif
359
360	/** @def IN_VMM_R0
361	* Used to indicate whether we're inside the same link module as the ring-0 part
362	* of the virtual machine monitor or not.
363	*/
364	/** @def VMMR0DECL
365	* Ring-0 VMM export or import declaration.
366	* @param type The return type of the function declaration.
367	*/
368	#ifdef IN_VMM_R0
369	# define VMMR0DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
370	#elif defined(IN_RING0)
371	# define VMMR0DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
372	#else
373	# define VMMR0DECL(type) DECL_INVALID(type)
374	#endif
375
376	/** @def IN_VMM_RC
377	* Used to indicate whether we're inside the same link module as the raw-mode
378	* context part of the virtual machine monitor or not.
379	*/
380	/** @def VMMRCDECL
381	* Raw-mode context VMM export or import declaration.
382	* @param type The return type of the function declaration.
383	*/
384	#ifdef IN_VMM_RC
385	# define VMMRCDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
386	#elif defined(IN_RC)
387	# define VMMRCDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
388	#else
389	# define VMMRCDECL(type) DECL_INVALID(type)
390	#endif
391
392	/** @def VMMRZDECL
393	* Ring-0 and Raw-mode context VMM export or import declaration.
394	* @param type The return type of the function declaration.
395	*/
396	#if defined(IN_VMM_R0) \|\| defined(IN_VMM_RC)
397	# define VMMRZDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
398	#elif defined(IN_RING0) \|\| defined(IN_RZ)
399	# define VMMRZDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
400	#else
401	# define VMMRZDECL(type) DECL_INVALID(type)
402	#endif
403
404	/** @def VMMDECL
405	* VMM export or import declaration.
406	* @param type The return type of the function declaration.
407	*/
408	#ifdef IN_VMM_STATIC
409	# define VMMDECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
410	#elif defined(IN_VMM_R3) \|\| defined(IN_VMM_R0) \|\| defined(IN_VMM_RC)
411	# define VMMDECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
412	#else
413	# define VMMDECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
414	#endif
415
416	/** @def VMM_INT_DECL
417	* VMM internal function.
418	* @param type The return type of the function declaration.
419	*/
420	#if defined(IN_VMM_R3) \|\| defined(IN_VMM_R0) \|\| defined(IN_VMM_RC)
421	# define VMM_INT_DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
422	#else
423	# define VMM_INT_DECL(type) DECL_INVALID(type)
424	#endif
425
426	/** @def VMMR3_INT_DECL
427	* VMM internal function, ring-3.
428	* @param type The return type of the function declaration.
429	*/
430	#ifdef IN_VMM_R3
431	# define VMMR3_INT_DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
432	#else
433	# define VMMR3_INT_DECL(type) DECL_INVALID(type)
434	#endif
435
436	/** @def VMMR0_INT_DECL
437	* VMM internal function, ring-0.
438	* @param type The return type of the function declaration.
439	*/
440	#ifdef IN_VMM_R0
441	# define VMMR0_INT_DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
442	#else
443	# define VMMR0_INT_DECL(type) DECL_INVALID(type)
444	#endif
445
446	/** @def VMMRC_INT_DECL
447	* VMM internal function, raw-mode context.
448	* @param type The return type of the function declaration.
449	*/
450	#ifdef IN_VMM_RC
451	# define VMMRC_INT_DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
452	#else
453	# define VMMRC_INT_DECL(type) DECL_INVALID(type)
454	#endif
455
456	/** @def VMMRZ_INT_DECL
457	* VMM internal function, ring-0 + raw-mode context.
458	* @param type The return type of the function declaration.
459	*/
460	#if defined(IN_VMM_RC) \|\| defined(IN_VMM_R0)
461	# define VMMRZ_INT_DECL(type) DECL_HIDDEN_NOTHROW(type) VBOXCALL
462	#else
463	# define VMMRZ_INT_DECL(type) DECL_INVALID(type)
464	#endif
465
466
467
468	/** @def IN_VBOXDDU
469	* Used to indicate whether we're inside the VBoxDDU shared object.
470	*/
471	/** @def VBOXDDU_DECL(type)
472	* VBoxDDU export or import (ring-3).
473	* @param type The return type of the function declaration.
474	*/
475	#ifdef IN_VBOXDDU
476	# ifdef IN_VBOXDDU_STATIC
477	# define VBOXDDU_DECL(type) type
478	# else
479	# define VBOXDDU_DECL(type) DECL_EXPORT_NOTHROW(type) VBOXCALL
480	# endif
481	#else
482	# define VBOXDDU_DECL(type) DECL_IMPORT_NOTHROW(type) VBOXCALL
483	#endif
484
485	/** @} */
486
487
488	/** @defgroup grp_devdrv Device Emulations and Drivers
489	* @{ */
490	/** @} */
491
492	#endif /* !VBOX_INCLUDED_cdefs_h */
493

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