DBGFInfo.cpp@ 76856

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1	/* $Id: DBGFInfo.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* DBGF - Debugger Facility, Info.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DBGF_INFO
23	#include <VBox/vmm/dbgf.h>
24
25	#include <VBox/vmm/mm.h>
26	#include "DBGFInternal.h"
27	#include <VBox/vmm/vm.h>
28	#include <VBox/vmm/uvm.h>
29	#include <VBox/err.h>
30	#include <VBox/log.h>
31
32	#include <iprt/assert.h>
33	#include <iprt/ctype.h>
34	#include <iprt/param.h>
35	#include <iprt/semaphore.h>
36	#include <iprt/stream.h>
37	#include <iprt/string.h>
38	#include <iprt/thread.h>
39
40
41	/*********************************************************************************************************************************
42	* Internal Functions *
43	*********************************************************************************************************************************/
44	static DECLCALLBACK(void) dbgfR3InfoLog_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
45	static DECLCALLBACK(void) dbgfR3InfoLog_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
46	static DECLCALLBACK(void) dbgfR3InfoLogRel_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
47	static DECLCALLBACK(void) dbgfR3InfoLogRel_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
48	static DECLCALLBACK(void) dbgfR3InfoStdErr_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
49	static DECLCALLBACK(void) dbgfR3InfoStdErr_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
50	static DECLCALLBACK(void) dbgfR3InfoHelp(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
51
52
53	/*********************************************************************************************************************************
54	* Global Variables *
55	*********************************************************************************************************************************/
56	/** Logger output. */
57	static const DBGFINFOHLP g_dbgfR3InfoLogHlp =
58	{
59	dbgfR3InfoLog_Printf,
60	dbgfR3InfoLog_PrintfV
61	};
62
63	/** Release logger output. */
64	static const DBGFINFOHLP g_dbgfR3InfoLogRelHlp =
65	{
66	dbgfR3InfoLogRel_Printf,
67	dbgfR3InfoLogRel_PrintfV
68	};
69
70	/** Standard error output. */
71	static const DBGFINFOHLP g_dbgfR3InfoStdErrHlp =
72	{
73	dbgfR3InfoStdErr_Printf,
74	dbgfR3InfoStdErr_PrintfV
75	};
76
77
78	/**
79	* Initialize the info handlers.
80	*
81	* This is called first during the DBGF init process and thus does the shared
82	* critsect init.
83	*
84	* @returns VBox status code.
85	* @param pUVM The user mode VM handle.
86	*/
87	int dbgfR3InfoInit(PUVM pUVM)
88	{
89	/*
90	* Make sure we already didn't initialized in the lazy manner.
91	*/
92	if (RTCritSectRwIsInitialized(&pUVM->dbgf.s.CritSect))
93	return VINF_SUCCESS;
94
95	/*
96	* Initialize the crit sect.
97	*/
98	int rc = RTCritSectRwInit(&pUVM->dbgf.s.CritSect);
99	AssertRCReturn(rc, rc);
100
101	/*
102	* Register the 'info help' item.
103	*/
104	rc = DBGFR3InfoRegisterInternal(pUVM->pVM, "help", "List of info items.", dbgfR3InfoHelp);
105	AssertRCReturn(rc, rc);
106
107	return VINF_SUCCESS;
108	}
109
110
111	/**
112	* Terminate the info handlers.
113	*
114	* @returns VBox status code.
115	* @param pUVM The user mode VM handle.
116	*/
117	int dbgfR3InfoTerm(PUVM pUVM)
118	{
119	/*
120	* Delete the crit sect.
121	*/
122	int rc = RTCritSectRwDelete(&pUVM->dbgf.s.CritSect);
123	AssertRC(rc);
124	return rc;
125	}
126
127
128	/** Logger output.
129	* @copydoc DBGFINFOHLP::pfnPrintf */
130	static DECLCALLBACK(void) dbgfR3InfoLog_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
131	{
132	NOREF(pHlp);
133	va_list args;
134	va_start(args, pszFormat);
135	RTLogPrintfV(pszFormat, args);
136	va_end(args);
137	}
138
139	/** Logger output.
140	* @copydoc DBGFINFOHLP::pfnPrintfV */
141	static DECLCALLBACK(void) dbgfR3InfoLog_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
142	{
143	NOREF(pHlp);
144	RTLogPrintfV(pszFormat, args);
145	}
146
147
148	/**
149	* Gets the logger info helper.
150	* The returned info helper will unconditionally write all output to the log.
151	*
152	* @returns Pointer to the logger info helper.
153	*/
154	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogHlp(void)
155	{
156	return &g_dbgfR3InfoLogHlp;
157	}
158
159
160	/** Release logger output.
161	* @copydoc DBGFINFOHLP::pfnPrintf */
162	static DECLCALLBACK(void) dbgfR3InfoLogRel_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
163	{
164	NOREF(pHlp);
165	va_list args;
166	va_start(args, pszFormat);
167	RTLogRelPrintfV(pszFormat, args);
168	va_end(args);
169	}
170
171	/** Release logger output.
172	* @copydoc DBGFINFOHLP::pfnPrintfV */
173	static DECLCALLBACK(void) dbgfR3InfoLogRel_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
174	{
175	NOREF(pHlp);
176	RTLogRelPrintfV(pszFormat, args);
177	}
178
179
180	/** Standard error output.
181	* @copydoc DBGFINFOHLP::pfnPrintf */
182	static DECLCALLBACK(void) dbgfR3InfoStdErr_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
183	{
184	NOREF(pHlp);
185	va_list args;
186	va_start(args, pszFormat);
187	RTStrmPrintfV(g_pStdErr, pszFormat, args);
188	va_end(args);
189	}
190
191	/** Standard error output.
192	* @copydoc DBGFINFOHLP::pfnPrintfV */
193	static DECLCALLBACK(void) dbgfR3InfoStdErr_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
194	{
195	NOREF(pHlp);
196	RTStrmPrintfV(g_pStdErr, pszFormat, args);
197	}
198
199
200	/**
201	* Gets the release logger info helper.
202	* The returned info helper will unconditionally write all output to the release log.
203	*
204	* @returns Pointer to the release logger info helper.
205	*/
206	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogRelHlp(void)
207	{
208	return &g_dbgfR3InfoLogRelHlp;
209	}
210
211
212	/**
213	* Handle registration worker.
214	*
215	* This allocates the structure, initializes the common fields and inserts into the list.
216	* Upon successful return the we're inside the crit sect and the caller must leave it.
217	*
218	* @returns VBox status code.
219	* @param pUVM The user mode VM handle.
220	* @param pszName The identifier of the info.
221	* @param pszDesc The description of the info and any arguments the handler may take.
222	* @param fFlags The flags.
223	* @param ppInfo Where to store the created
224	*/
225	static int dbgfR3InfoRegister(PUVM pUVM, const char pszName, const char pszDesc, uint32_t fFlags, PDBGFINFO *ppInfo)
226	{
227	/*
228	* Validate.
229	*/
230	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
231	AssertReturn(*pszName, VERR_INVALID_PARAMETER);
232	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
233	AssertMsgReturn(!(fFlags & ~(DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS)),
234	("fFlags=%#x\n", fFlags), VERR_INVALID_FLAGS);
235
236	/*
237	* Allocate and initialize.
238	*/
239	int rc;
240	size_t cchName = strlen(pszName) + 1;
241	PDBGFINFO pInfo = (PDBGFINFO)MMR3HeapAllocU(pUVM, MM_TAG_DBGF_INFO, RT_UOFFSETOF_DYN(DBGFINFO, szName[cchName]));
242	if (pInfo)
243	{
244	pInfo->enmType = DBGFINFOTYPE_INVALID;
245	pInfo->fFlags = fFlags;
246	pInfo->pszDesc = pszDesc;
247	pInfo->cchName = cchName - 1;
248	memcpy(pInfo->szName, pszName, cchName);
249
250	/* lazy init */
251	rc = VINF_SUCCESS;
252	if (!RTCritSectRwIsInitialized(&pUVM->dbgf.s.CritSect))
253	rc = dbgfR3InfoInit(pUVM);
254	if (RT_SUCCESS(rc))
255	{
256	/*
257	* Insert in alphabetical order.
258	*/
259	rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect);
260	AssertRC(rc);
261	PDBGFINFO pPrev = NULL;
262	PDBGFINFO pCur;
263	for (pCur = pUVM->dbgf.s.pInfoFirst; pCur; pPrev = pCur, pCur = pCur->pNext)
264	if (strcmp(pszName, pCur->szName) < 0)
265	break;
266	pInfo->pNext = pCur;
267	if (pPrev)
268	pPrev->pNext = pInfo;
269	else
270	pUVM->dbgf.s.pInfoFirst = pInfo;
271
272	*ppInfo = pInfo;
273	return VINF_SUCCESS;
274	}
275	MMR3HeapFree(pInfo);
276	}
277	else
278	rc = VERR_NO_MEMORY;
279	return rc;
280	}
281
282
283	/**
284	* Register a info handler owned by a device.
285	*
286	* @returns VBox status code.
287	* @param pVM The cross context VM structure.
288	* @param pszName The identifier of the info.
289	* @param pszDesc The description of the info and any arguments the handler may take.
290	* @param pfnHandler The handler function to be called to display the info.
291	* @param pDevIns The device instance owning the info.
292	*/
293	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDevice(PVM pVM, const char pszName, const char pszDesc,
294	PFNDBGFHANDLERDEV pfnHandler, PPDMDEVINS pDevIns)
295	{
296	LogFlow(("DBGFR3InfoRegisterDevice: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDevIns=%p\n",
297	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDevIns));
298
299	/*
300	* Validate the specific stuff.
301	*/
302	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
303	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
304
305	/*
306	* Register
307	*/
308	PDBGFINFO pInfo;
309	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
310	if (RT_SUCCESS(rc))
311	{
312	pInfo->enmType = DBGFINFOTYPE_DEV;
313	pInfo->u.Dev.pfnHandler = pfnHandler;
314	pInfo->u.Dev.pDevIns = pDevIns;
315	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
316	}
317
318	return rc;
319	}
320
321
322	/**
323	* Register a info handler owned by a driver.
324	*
325	* @returns VBox status code.
326	* @param pVM The cross context VM structure.
327	* @param pszName The identifier of the info.
328	* @param pszDesc The description of the info and any arguments the handler may take.
329	* @param pfnHandler The handler function to be called to display the info.
330	* @param pDrvIns The driver instance owning the info.
331	*/
332	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDriver(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler, PPDMDRVINS pDrvIns)
333	{
334	LogFlow(("DBGFR3InfoRegisterDriver: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDrvIns=%p\n",
335	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDrvIns));
336
337	/*
338	* Validate the specific stuff.
339	*/
340	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
341	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
342
343	/*
344	* Register
345	*/
346	PDBGFINFO pInfo;
347	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
348	if (RT_SUCCESS(rc))
349	{
350	pInfo->enmType = DBGFINFOTYPE_DRV;
351	pInfo->u.Drv.pfnHandler = pfnHandler;
352	pInfo->u.Drv.pDrvIns = pDrvIns;
353	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
354	}
355
356	return rc;
357	}
358
359
360	/**
361	* Register a info handler owned by an internal component.
362	*
363	* @returns VBox status code.
364	* @param pVM The cross context VM structure.
365	* @param pszName The identifier of the info.
366	* @param pszDesc The description of the info and any arguments the handler may take.
367	* @param pfnHandler The handler function to be called to display the info.
368	*/
369	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternal(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERINT pfnHandler)
370	{
371	return DBGFR3InfoRegisterInternalEx(pVM, pszName, pszDesc, pfnHandler, 0);
372	}
373
374
375	/**
376	* Register a info handler owned by an internal component.
377	*
378	* @returns VBox status code.
379	* @param pVM The cross context VM structure.
380	* @param pszName The identifier of the info.
381	* @param pszDesc The description of the info and any arguments the handler may take.
382	* @param pfnHandler The handler function to be called to display the info.
383	* @param fFlags Flags, see the DBGFINFO_FLAGS_*.
384	*/
385	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternalEx(PVM pVM, const char pszName, const char pszDesc,
386	PFNDBGFHANDLERINT pfnHandler, uint32_t fFlags)
387	{
388	LogFlow(("DBGFR3InfoRegisterInternal: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p fFlags=%x\n",
389	pszName, pszName, pszDesc, pszDesc, pfnHandler, fFlags));
390
391	/*
392	* Validate the specific stuff.
393	*/
394	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
395
396	/*
397	* Register
398	*/
399	PDBGFINFO pInfo;
400	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, fFlags, &pInfo);
401	if (RT_SUCCESS(rc))
402	{
403	pInfo->enmType = DBGFINFOTYPE_INT;
404	pInfo->u.Int.pfnHandler = pfnHandler;
405	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
406	}
407
408	return rc;
409	}
410
411
412	/**
413	* Register a info handler owned by an external component.
414	*
415	* @returns VBox status code.
416	* @param pUVM The user mode VM handle.
417	* @param pszName The identifier of the info.
418	* @param pszDesc The description of the info and any arguments the handler may take.
419	* @param pfnHandler The handler function to be called to display the info.
420	* @param pvUser User argument to be passed to the handler.
421	*/
422	VMMR3DECL(int) DBGFR3InfoRegisterExternal(PUVM pUVM, const char pszName, const char pszDesc,
423	PFNDBGFHANDLEREXT pfnHandler, void *pvUser)
424	{
425	LogFlow(("DBGFR3InfoRegisterExternal: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pvUser=%p\n",
426	pszName, pszName, pszDesc, pszDesc, pfnHandler, pvUser));
427
428	/*
429	* Validate the specific stuff.
430	*/
431	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
432	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
433
434	/*
435	* Register
436	*/
437	PDBGFINFO pInfo;
438	int rc = dbgfR3InfoRegister(pUVM, pszName, pszDesc, 0, &pInfo);
439	if (RT_SUCCESS(rc))
440	{
441	pInfo->enmType = DBGFINFOTYPE_EXT;
442	pInfo->u.Ext.pfnHandler = pfnHandler;
443	pInfo->u.Ext.pvUser = pvUser;
444	RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
445	}
446
447	return rc;
448	}
449
450
451	/**
452	* Deregister one(/all) info handler(s) owned by a device.
453	*
454	* @returns VBox status code.
455	* @param pVM The cross context VM structure.
456	* @param pDevIns Device instance.
457	* @param pszName The identifier of the info. If NULL all owned by the device.
458	*/
459	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName)
460	{
461	LogFlow(("DBGFR3InfoDeregisterDevice: pDevIns=%p pszName=%p:{%s}\n", pDevIns, pszName, pszName));
462
463	/*
464	* Validate input.
465	*/
466	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
467	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
468	size_t cchName = pszName ? strlen(pszName) : 0;
469	PUVM pUVM = pVM->pUVM;
470
471	/*
472	* Enumerate the info handlers and free the requested entries.
473	*/
474	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect); AssertRC(rc);
475	rc = VERR_FILE_NOT_FOUND;
476	PDBGFINFO pPrev = NULL;
477	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
478	if (pszName)
479	{
480	/*
481	* Free a specific one.
482	*/
483	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
484	if ( pInfo->enmType == DBGFINFOTYPE_DEV
485	&& pInfo->u.Dev.pDevIns == pDevIns
486	&& pInfo->cchName == cchName
487	&& !strcmp(pInfo->szName, pszName))
488	{
489	if (pPrev)
490	pPrev->pNext = pInfo->pNext;
491	else
492	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
493	MMR3HeapFree(pInfo);
494	rc = VINF_SUCCESS;
495	break;
496	}
497	}
498	else
499	{
500	/*
501	* Free all owned by the device.
502	*/
503	while (pInfo != NULL)
504	if ( pInfo->enmType == DBGFINFOTYPE_DEV
505	&& pInfo->u.Dev.pDevIns == pDevIns)
506	{
507	PDBGFINFO volatile pFree = pInfo;
508	pInfo = pInfo->pNext;
509	if (pPrev)
510	pPrev->pNext = pInfo;
511	else
512	pUVM->dbgf.s.pInfoFirst = pInfo;
513	MMR3HeapFree(pFree);
514	}
515	else
516	{
517	pPrev = pInfo;
518	pInfo = pInfo->pNext;
519	}
520	rc = VINF_SUCCESS;
521	}
522	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
523	AssertRC(rc2);
524	AssertRC(rc);
525	LogFlow(("DBGFR3InfoDeregisterDevice: returns %Rrc\n", rc));
526	return rc;
527	}
528
529	/**
530	* Deregister one(/all) info handler(s) owned by a driver.
531	*
532	* @returns VBox status code.
533	* @param pVM The cross context VM structure.
534	* @param pDrvIns Driver instance.
535	* @param pszName The identifier of the info. If NULL all owned by the driver.
536	*/
537	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName)
538	{
539	LogFlow(("DBGFR3InfoDeregisterDriver: pDrvIns=%p pszName=%p:{%s}\n", pDrvIns, pszName, pszName));
540
541	/*
542	* Validate input.
543	*/
544	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
545	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
546	size_t cchName = pszName ? strlen(pszName) : 0;
547	PUVM pUVM = pVM->pUVM;
548
549	/*
550	* Enumerate the info handlers and free the requested entries.
551	*/
552	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect); AssertRC(rc);
553	rc = VERR_FILE_NOT_FOUND;
554	PDBGFINFO pPrev = NULL;
555	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
556	if (pszName)
557	{
558	/*
559	* Free a specific one.
560	*/
561	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
562	if ( pInfo->enmType == DBGFINFOTYPE_DRV
563	&& pInfo->u.Drv.pDrvIns == pDrvIns
564	&& pInfo->cchName == cchName
565	&& !strcmp(pInfo->szName, pszName))
566	{
567	if (pPrev)
568	pPrev->pNext = pInfo->pNext;
569	else
570	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
571	MMR3HeapFree(pInfo);
572	rc = VINF_SUCCESS;
573	break;
574	}
575	}
576	else
577	{
578	/*
579	* Free all owned by the driver.
580	*/
581	while (pInfo != NULL)
582	if ( pInfo->enmType == DBGFINFOTYPE_DRV
583	&& pInfo->u.Drv.pDrvIns == pDrvIns)
584	{
585	PDBGFINFO volatile pFree = pInfo;
586	pInfo = pInfo->pNext;
587	if (pPrev)
588	pPrev->pNext = pInfo;
589	else
590	pUVM->dbgf.s.pInfoFirst = pInfo;
591	MMR3HeapFree(pFree);
592	}
593	else
594	{
595	pPrev = pInfo;
596	pInfo = pInfo->pNext;
597	}
598	rc = VINF_SUCCESS;
599	}
600	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
601	AssertRC(rc2);
602	AssertRC(rc);
603	LogFlow(("DBGFR3InfoDeregisterDriver: returns %Rrc\n", rc));
604	return rc;
605	}
606
607
608	/**
609	* Internal deregistration helper.
610	*
611	* @returns VBox status code.
612	* @param pUVM Pointer to the VM.
613	* @param pszName The identifier of the info.
614	* @param enmType The info owner type.
615	*/
616	static int dbgfR3InfoDeregister(PUVM pUVM, const char *pszName, DBGFINFOTYPE enmType)
617	{
618	/*
619	* Validate input.
620	*/
621	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
622
623	/*
624	* Find the info handler.
625	*/
626	size_t cchName = strlen(pszName);
627	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect);
628	AssertRC(rc);
629	rc = VERR_FILE_NOT_FOUND;
630	PDBGFINFO pPrev = NULL;
631	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
632	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
633	if ( pInfo->cchName == cchName
634	&& !strcmp(pInfo->szName, pszName)
635	&& pInfo->enmType == enmType)
636	{
637	if (pPrev)
638	pPrev->pNext = pInfo->pNext;
639	else
640	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
641	MMR3HeapFree(pInfo);
642	rc = VINF_SUCCESS;
643	break;
644	}
645	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
646	AssertRC(rc2);
647	AssertRC(rc);
648	LogFlow(("dbgfR3InfoDeregister: returns %Rrc\n", rc));
649	return rc;
650	}
651
652
653	/**
654	* Deregister a info handler owned by an internal component.
655	*
656	* @returns VBox status code.
657	* @param pVM The cross context VM structure.
658	* @param pszName The identifier of the info. If NULL all owned by the device.
659	*/
660	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterInternal(PVM pVM, const char *pszName)
661	{
662	LogFlow(("DBGFR3InfoDeregisterInternal: pszName=%p:{%s}\n", pszName, pszName));
663	return dbgfR3InfoDeregister(pVM->pUVM, pszName, DBGFINFOTYPE_INT);
664	}
665
666
667	/**
668	* Deregister a info handler owned by an external component.
669	*
670	* @returns VBox status code.
671	* @param pUVM The user mode VM handle.
672	* @param pszName The identifier of the info. If NULL all owned by the device.
673	*/
674	VMMR3DECL(int) DBGFR3InfoDeregisterExternal(PUVM pUVM, const char *pszName)
675	{
676	LogFlow(("DBGFR3InfoDeregisterExternal: pszName=%p:{%s}\n", pszName, pszName));
677	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
678	return dbgfR3InfoDeregister(pUVM, pszName, DBGFINFOTYPE_EXT);
679	}
680
681
682	/**
683	* Worker for DBGFR3InfoEx.
684	*
685	* @returns VBox status code.
686	* @param pUVM The user mode VM handle.
687	* @param idCpu Which CPU to run EMT bound handlers on. VMCPUID_ANY or
688	* a valid CPU ID.
689	* @param pszName What to dump.
690	* @param pszArgs Arguments, optional.
691	* @param pHlp Output helper, optional.
692	*/
693	static DECLCALLBACK(int) dbgfR3Info(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
694	{
695	/*
696	* Validate input.
697	*/
698	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
699	AssertPtrNullReturn(pszArgs, VERR_INVALID_POINTER);
700	if (pHlp)
701	{
702	AssertPtrReturn(pHlp, VERR_INVALID_PARAMETER);
703	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_PARAMETER);
704	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_PARAMETER);
705	}
706	else
707	pHlp = &g_dbgfR3InfoLogHlp;
708	Assert(idCpu == NIL_VMCPUID \|\| idCpu < pUVM->cCpus); /* if not nil, we're on that EMT already. */
709
710	/*
711	* Find the info handler.
712	*/
713	size_t cchName = strlen(pszName);
714	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
715	AssertRC(rc);
716	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
717	for (; pInfo; pInfo = pInfo->pNext)
718	if ( pInfo->cchName == cchName
719	&& !memcmp(pInfo->szName, pszName, cchName))
720	break;
721	if (pInfo)
722	{
723	/*
724	* Found it.
725	*/
726	VMCPUID idDstCpu = NIL_VMCPUID;
727	if ((pInfo->fFlags & (DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS)) && idCpu == NIL_VMCPUID)
728	idDstCpu = pInfo->fFlags & DBGFINFO_FLAGS_ALL_EMTS ? VMCPUID_ALL : VMCPUID_ANY;
729
730	rc = VINF_SUCCESS;
731	switch (pInfo->enmType)
732	{
733	case DBGFINFOTYPE_DEV:
734	if (idDstCpu != NIL_VMCPUID)
735	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Dev.pfnHandler, 3,
736	pInfo->u.Dev.pDevIns, pHlp, pszArgs);
737	else
738	pInfo->u.Dev.pfnHandler(pInfo->u.Dev.pDevIns, pHlp, pszArgs);
739	break;
740
741	case DBGFINFOTYPE_DRV:
742	if (idDstCpu != NIL_VMCPUID)
743	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Drv.pfnHandler, 3,
744	pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
745	else
746	pInfo->u.Drv.pfnHandler(pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
747	break;
748
749	case DBGFINFOTYPE_INT:
750	if (RT_VALID_PTR(pUVM->pVM))
751	{
752	if (idDstCpu != NIL_VMCPUID)
753	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Int.pfnHandler, 3,
754	pUVM->pVM, pHlp, pszArgs);
755	else
756	pInfo->u.Int.pfnHandler(pUVM->pVM, pHlp, pszArgs);
757	}
758	else
759	rc = VERR_INVALID_VM_HANDLE;
760	break;
761
762	case DBGFINFOTYPE_EXT:
763	if (idDstCpu != NIL_VMCPUID)
764	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Ext.pfnHandler, 3,
765	pInfo->u.Ext.pvUser, pHlp, pszArgs);
766	else
767	pInfo->u.Ext.pfnHandler(pInfo->u.Ext.pvUser, pHlp, pszArgs);
768	break;
769
770	default:
771	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", pInfo->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
772	}
773
774	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
775	AssertRC(rc2);
776	}
777	else
778	{
779	rc = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
780	AssertRC(rc);
781	rc = VERR_FILE_NOT_FOUND;
782	}
783	return rc;
784	}
785
786
787	/**
788	* Display a piece of info writing to the supplied handler.
789	*
790	* @returns VBox status code.
791	* @param pUVM The user mode VM handle.
792	* @param pszName The identifier of the info to display.
793	* @param pszArgs Arguments to the info handler.
794	* @param pHlp The output helper functions. If NULL the logger will be used.
795	*/
796	VMMR3DECL(int) DBGFR3Info(PUVM pUVM, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
797	{
798	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, pHlp);
799	}
800
801
802	/**
803	* Display a piece of info writing to the supplied handler.
804	*
805	* @returns VBox status code.
806	* @param pUVM The user mode VM handle.
807	* @param idCpu The CPU to exectue the request on. Pass NIL_VMCPUID
808	* to not involve any EMT unless necessary.
809	* @param pszName The identifier of the info to display.
810	* @param pszArgs Arguments to the info handler.
811	* @param pHlp The output helper functions. If NULL the logger will be used.
812	*/
813	VMMR3DECL(int) DBGFR3InfoEx(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
814	{
815	/*
816	* Some input validation.
817	*/
818	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
819	AssertReturn( idCpu != VMCPUID_ANY_QUEUE
820	&& idCpu != VMCPUID_ALL
821	&& idCpu != VMCPUID_ALL_REVERSE, VERR_INVALID_PARAMETER);
822
823	/*
824	* Run on any specific EMT?
825	*/
826	if (idCpu == NIL_VMCPUID)
827	return dbgfR3Info(pUVM, NIL_VMCPUID, pszName, pszArgs, pHlp);
828	return VMR3ReqPriorityCallWaitU(pUVM, idCpu,
829	(PFNRT)dbgfR3Info, 5, pUVM, idCpu, pszName, pszArgs, pHlp);
830	}
831
832
833	/**
834	* Wrapper for DBGFR3Info that outputs to the release log.
835	*
836	* @returns See DBGFR3Info.
837	* @param pUVM The user mode VM handle.
838	* @param pszName See DBGFR3Info.
839	* @param pszArgs See DBGFR3Info.
840	*/
841	VMMR3DECL(int) DBGFR3InfoLogRel(PUVM pUVM, const char pszName, const char pszArgs)
842	{
843	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, &g_dbgfR3InfoLogRelHlp);
844	}
845
846
847	/**
848	* Wrapper for DBGFR3Info that outputs to standard error.
849	*
850	* @returns See DBGFR3Info.
851	* @param pUVM The user mode VM handle.
852	* @param pszName See DBGFR3Info.
853	* @param pszArgs See DBGFR3Info.
854	*/
855	VMMR3DECL(int) DBGFR3InfoStdErr(PUVM pUVM, const char pszName, const char pszArgs)
856	{
857	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, &g_dbgfR3InfoStdErrHlp);
858	}
859
860
861	/**
862	* Display several info items.
863	*
864	* This is intended used by the fatal error dump only.
865	*
866	* @returns VBox status code.
867	* @param pVM The cross context VM structure.
868	* @param pszIncludePat Simple string pattern of info items to include.
869	* @param pszExcludePat Simple string pattern of info items to exclude.
870	* @param pszSepFmt Item separator format string. The item name will be
871	* given as parameter.
872	* @param pHlp The output helper functions. If NULL the logger
873	* will be used.
874	*
875	* @thread EMT
876	*/
877	VMMR3_INT_DECL(int) DBGFR3InfoMulti(PVM pVM, const char pszIncludePat, const char pszExcludePat, const char *pszSepFmt,
878	PCDBGFINFOHLP pHlp)
879	{
880	/*
881	* Validate input.
882	*/
883	PUVM pUVM = pVM->pUVM;
884	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
885	AssertPtrReturn(pszIncludePat, VERR_INVALID_POINTER);
886	AssertPtrReturn(pszExcludePat, VERR_INVALID_POINTER);
887	if (pHlp)
888	{
889	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_POINTER);
890	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_POINTER);
891	}
892	else
893	pHlp = &g_dbgfR3InfoLogHlp;
894
895	size_t const cchIncludePat = strlen(pszIncludePat);
896	size_t const cchExcludePat = strlen(pszExcludePat);
897	const char *pszArgs = "";
898
899	/*
900	* Enumerate the info handlers and call the ones matching.
901	* Note! We won't leave the critical section here...
902	*/
903	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
904	AssertRC(rc);
905	rc = VWRN_NOT_FOUND;
906	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
907	{
908	if ( RTStrSimplePatternMultiMatch(pszIncludePat, cchIncludePat, pInfo->szName, pInfo->cchName, NULL)
909	&& !RTStrSimplePatternMultiMatch(pszExcludePat, cchExcludePat, pInfo->szName, pInfo->cchName, NULL))
910	{
911	pHlp->pfnPrintf(pHlp, pszSepFmt, pInfo->szName);
912
913	VMCPUID idDstCpu = NIL_VMCPUID;
914	if (pInfo->fFlags & (DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS))
915	idDstCpu = pInfo->fFlags & DBGFINFO_FLAGS_ALL_EMTS ? VMCPUID_ALL : VMCPUID_ANY;
916
917	rc = VINF_SUCCESS;
918	switch (pInfo->enmType)
919	{
920	case DBGFINFOTYPE_DEV:
921	if (idDstCpu != NIL_VMCPUID)
922	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Dev.pfnHandler, 3,
923	pInfo->u.Dev.pDevIns, pHlp, pszArgs);
924	else
925	pInfo->u.Dev.pfnHandler(pInfo->u.Dev.pDevIns, pHlp, pszArgs);
926	break;
927
928	case DBGFINFOTYPE_DRV:
929	if (idDstCpu != NIL_VMCPUID)
930	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Drv.pfnHandler, 3,
931	pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
932	else
933	pInfo->u.Drv.pfnHandler(pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
934	break;
935
936	case DBGFINFOTYPE_INT:
937	if (idDstCpu != NIL_VMCPUID)
938	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Int.pfnHandler, 3,
939	pVM, pHlp, pszArgs);
940	else
941	pInfo->u.Int.pfnHandler(pVM, pHlp, pszArgs);
942	break;
943
944	case DBGFINFOTYPE_EXT:
945	if (idDstCpu != NIL_VMCPUID)
946	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Ext.pfnHandler, 3,
947	pInfo->u.Ext.pvUser, pHlp, pszArgs);
948	else
949	pInfo->u.Ext.pfnHandler(pInfo->u.Ext.pvUser, pHlp, pszArgs);
950	break;
951
952	default:
953	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", pInfo->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
954	}
955	}
956	}
957	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
958	AssertRC(rc2);
959
960	return rc;
961	}
962
963
964	/**
965	* Enumerate all the register info handlers.
966	*
967	* @returns VBox status code.
968	* @param pUVM The user mode VM handle.
969	* @param pfnCallback Pointer to callback function.
970	* @param pvUser User argument to pass to the callback.
971	*/
972	VMMR3DECL(int) DBGFR3InfoEnum(PUVM pUVM, PFNDBGFINFOENUM pfnCallback, void *pvUser)
973	{
974	LogFlow(("DBGFR3InfoLog: pfnCallback=%p pvUser=%p\n", pfnCallback, pvUser));
975
976	/*
977	* Validate input.
978	*/
979	if (!pfnCallback)
980	{
981	AssertMsgFailed(("!pfnCallback\n"));
982	return VERR_INVALID_PARAMETER;
983	}
984	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
985
986	/*
987	* Enter and enumerate.
988	*/
989	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
990	AssertRC(rc);
991
992	rc = VINF_SUCCESS;
993	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; RT_SUCCESS(rc) && pInfo; pInfo = pInfo->pNext)
994	rc = pfnCallback(pUVM, pInfo->szName, pInfo->pszDesc, pvUser);
995
996	/*
997	* Leave and exit.
998	*/
999	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1000	AssertRC(rc2);
1001
1002	LogFlow(("DBGFR3InfoLog: returns %Rrc\n", rc));
1003	return rc;
1004	}
1005
1006
1007	/**
1008	* Info handler, internal version.
1009	*
1010	* @param pVM The cross context VM structure.
1011	* @param pHlp Callback functions for doing output.
1012	* @param pszArgs Argument string. Optional and specific to the handler.
1013	*/
1014	static DECLCALLBACK(void) dbgfR3InfoHelp(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1015	{
1016	LogFlow(("dbgfR3InfoHelp: pszArgs=%s\n", pszArgs));
1017
1018	/*
1019	* Enter and enumerate.
1020	*/
1021	PUVM pUVM = pVM->pUVM;
1022	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
1023	AssertRC(rc);
1024
1025	if (pszArgs && *pszArgs)
1026	{
1027	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1028	{
1029	const char *psz = strstr(pszArgs, pInfo->szName);
1030	if ( psz
1031	&& ( psz == pszArgs
1032	\|\| RT_C_IS_SPACE(psz[-1]))
1033	&& ( !psz[pInfo->cchName]
1034	\|\| RT_C_IS_SPACE(psz[pInfo->cchName])))
1035	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
1036	pInfo->szName, pInfo->pszDesc);
1037	}
1038	}
1039	else
1040	{
1041	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1042	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
1043	pInfo->szName, pInfo->pszDesc);
1044	}
1045
1046	/*
1047	* Leave and exit.
1048	*/
1049	rc = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1050	AssertRC(rc);
1051	}
1052

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source: vbox/trunk/src/VBox/VMM/VMMR3/DBGFInfo.cpp@ 76856

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