DBGFInfo.cpp@ 55036

Last change on this file since 55036 was 44399, checked in by vboxsync, 12 years ago
DBGF,DBGC,++: PVM -> PUVM. Some refactoring and cleanup as well.
Property svn:eol-style set to `native` Property svn:keywords set to `Id Revision`
File size: 32.3 KB

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1	/* $Id: DBGFInfo.cpp 44399 2013-01-27 21:12:53Z vboxsync $ */
2	/** @file
3	* DBGF - Debugger Facility, Info.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 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	* @returns VBox status code.
82	* @param pUVM The user mode VM handle.
83	*/
84	int dbgfR3InfoInit(PUVM pUVM)
85	{
86	/*
87	* Make sure we already didn't initialized in the lazy manner.
88	*/
89	if (RTCritSectIsInitialized(&pUVM->dbgf.s.InfoCritSect))
90	return VINF_SUCCESS;
91
92	/*
93	* Initialize the crit sect.
94	*/
95	int rc = RTCritSectInit(&pUVM->dbgf.s.InfoCritSect);
96	AssertRCReturn(rc, rc);
97
98	/*
99	* Register the 'info help' item.
100	*/
101	rc = DBGFR3InfoRegisterInternal(pUVM->pVM, "help", "List of info items.", dbgfR3InfoHelp);
102	AssertRCReturn(rc, rc);
103
104	return VINF_SUCCESS;
105	}
106
107
108	/**
109	* Terminate the info handlers.
110	*
111	* @returns VBox status code.
112	* @param pUVM The user mode VM handle.
113	*/
114	int dbgfR3InfoTerm(PUVM pUVM)
115	{
116	/*
117	* Delete the crit sect.
118	*/
119	int rc = RTCritSectDelete(&pUVM->dbgf.s.InfoCritSect);
120	AssertRC(rc);
121	return rc;
122	}
123
124
125	/** Logger output.
126	* @copydoc DBGFINFOHLP::pfnPrintf */
127	static DECLCALLBACK(void) dbgfR3InfoLog_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
128	{
129	NOREF(pHlp);
130	va_list args;
131	va_start(args, pszFormat);
132	RTLogPrintfV(pszFormat, args);
133	va_end(args);
134	}
135
136	/** Logger output.
137	* @copydoc DBGFINFOHLP::pfnPrintfV */
138	static DECLCALLBACK(void) dbgfR3InfoLog_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
139	{
140	NOREF(pHlp);
141	RTLogPrintfV(pszFormat, args);
142	}
143
144
145	/**
146	* Gets the logger info helper.
147	* The returned info helper will unconditionally write all output to the log.
148	*
149	* @returns Pointer to the logger info helper.
150	*/
151	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogHlp(void)
152	{
153	return &g_dbgfR3InfoLogHlp;
154	}
155
156
157	/** Release logger output.
158	* @copydoc DBGFINFOHLP::pfnPrintf */
159	static DECLCALLBACK(void) dbgfR3InfoLogRel_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
160	{
161	NOREF(pHlp);
162	va_list args;
163	va_start(args, pszFormat);
164	RTLogRelPrintfV(pszFormat, args);
165	va_end(args);
166	}
167
168	/** Release logger output.
169	* @copydoc DBGFINFOHLP::pfnPrintfV */
170	static DECLCALLBACK(void) dbgfR3InfoLogRel_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
171	{
172	NOREF(pHlp);
173	RTLogRelPrintfV(pszFormat, args);
174	}
175
176
177	/** Standard error output.
178	* @copydoc DBGFINFOHLP::pfnPrintf */
179	static DECLCALLBACK(void) dbgfR3InfoStdErr_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
180	{
181	NOREF(pHlp);
182	va_list args;
183	va_start(args, pszFormat);
184	RTStrmPrintfV(g_pStdErr, pszFormat, args);
185	va_end(args);
186	}
187
188	/** Standard error output.
189	* @copydoc DBGFINFOHLP::pfnPrintfV */
190	static DECLCALLBACK(void) dbgfR3InfoStdErr_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
191	{
192	NOREF(pHlp);
193	RTStrmPrintfV(g_pStdErr, pszFormat, args);
194	}
195
196
197	/**
198	* Gets the release logger info helper.
199	* The returned info helper will unconditionally write all output to the release log.
200	*
201	* @returns Pointer to the release logger info helper.
202	*/
203	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogRelHlp(void)
204	{
205	return &g_dbgfR3InfoLogRelHlp;
206	}
207
208
209	/**
210	* Handle registration worker.
211	* This allocates the structure, initializes the common fields and inserts into the list.
212	* Upon successful return the we're inside the crit sect and the caller must leave it.
213	*
214	* @returns VBox status code.
215	* @param pUVM The user mode VM handle.
216	* @param pszName The identifier of the info.
217	* @param pszDesc The description of the info and any arguments the handler may take.
218	* @param fFlags The flags.
219	* @param ppInfo Where to store the created
220	*/
221	static int dbgfR3InfoRegister(PUVM pUVM, const char pszName, const char pszDesc, uint32_t fFlags, PDBGFINFO *ppInfo)
222	{
223	/*
224	* Validate.
225	*/
226	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
227	AssertReturn(*pszName, VERR_INVALID_PARAMETER);
228	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
229	AssertMsgReturn(!(fFlags & ~(DBGFINFO_FLAGS_RUN_ON_EMT)), ("fFlags=%#x\n", fFlags), VERR_INVALID_PARAMETER);
230
231	/*
232	* Allocate and initialize.
233	*/
234	int rc;
235	size_t cchName = strlen(pszName) + 1;
236	PDBGFINFO pInfo = (PDBGFINFO)MMR3HeapAllocU(pUVM, MM_TAG_DBGF_INFO, RT_OFFSETOF(DBGFINFO, szName[cchName]));
237	if (pInfo)
238	{
239	pInfo->enmType = DBGFINFOTYPE_INVALID;
240	pInfo->fFlags = fFlags;
241	pInfo->pszDesc = pszDesc;
242	pInfo->cchName = cchName - 1;
243	memcpy(pInfo->szName, pszName, cchName);
244
245	/* lazy init */
246	rc = VINF_SUCCESS;
247	if (!RTCritSectIsInitialized(&pUVM->dbgf.s.InfoCritSect))
248	rc = dbgfR3InfoInit(pUVM);
249	if (RT_SUCCESS(rc))
250	{
251	/*
252	* Insert in alphabetical order.
253	*/
254	rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
255	AssertRC(rc);
256	PDBGFINFO pPrev = NULL;
257	PDBGFINFO pCur;
258	for (pCur = pUVM->dbgf.s.pInfoFirst; pCur; pPrev = pCur, pCur = pCur->pNext)
259	if (strcmp(pszName, pCur->szName) < 0)
260	break;
261	pInfo->pNext = pCur;
262	if (pPrev)
263	pPrev->pNext = pInfo;
264	else
265	pUVM->dbgf.s.pInfoFirst = pInfo;
266
267	*ppInfo = pInfo;
268	return VINF_SUCCESS;
269	}
270	MMR3HeapFree(pInfo);
271	}
272	else
273	rc = VERR_NO_MEMORY;
274	return rc;
275	}
276
277
278	/**
279	* Register a info handler owned by a device.
280	*
281	* @returns VBox status code.
282	* @param pVM Pointer to the VM.
283	* @param pszName The identifier of the info.
284	* @param pszDesc The description of the info and any arguments the handler may take.
285	* @param pfnHandler The handler function to be called to display the info.
286	* @param pDevIns The device instance owning the info.
287	*/
288	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDevice(PVM pVM, const char pszName, const char pszDesc,
289	PFNDBGFHANDLERDEV pfnHandler, PPDMDEVINS pDevIns)
290	{
291	LogFlow(("DBGFR3InfoRegisterDevice: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDevIns=%p\n",
292	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDevIns));
293
294	/*
295	* Validate the specific stuff.
296	*/
297	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
298	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
299
300	/*
301	* Register
302	*/
303	PDBGFINFO pInfo;
304	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
305	if (RT_SUCCESS(rc))
306	{
307	pInfo->enmType = DBGFINFOTYPE_DEV;
308	pInfo->u.Dev.pfnHandler = pfnHandler;
309	pInfo->u.Dev.pDevIns = pDevIns;
310	RTCritSectLeave(&pVM->pUVM->dbgf.s.InfoCritSect);
311	}
312
313	return rc;
314	}
315
316
317	/**
318	* Register a info handler owned by a driver.
319	*
320	* @returns VBox status code.
321	* @param pVM Pointer to the VM.
322	* @param pszName The identifier of the info.
323	* @param pszDesc The description of the info and any arguments the handler may take.
324	* @param pfnHandler The handler function to be called to display the info.
325	* @param pDrvIns The driver instance owning the info.
326	*/
327	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDriver(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler, PPDMDRVINS pDrvIns)
328	{
329	LogFlow(("DBGFR3InfoRegisterDriver: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDrvIns=%p\n",
330	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDrvIns));
331
332	/*
333	* Validate the specific stuff.
334	*/
335	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
336	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
337
338	/*
339	* Register
340	*/
341	PDBGFINFO pInfo;
342	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
343	if (RT_SUCCESS(rc))
344	{
345	pInfo->enmType = DBGFINFOTYPE_DRV;
346	pInfo->u.Drv.pfnHandler = pfnHandler;
347	pInfo->u.Drv.pDrvIns = pDrvIns;
348	RTCritSectLeave(&pVM->pUVM->dbgf.s.InfoCritSect);
349	}
350
351	return rc;
352	}
353
354
355	/**
356	* Register a info handler owned by an internal component.
357	*
358	* @returns VBox status code.
359	* @param pVM Pointer to the VM.
360	* @param pszName The identifier of the info.
361	* @param pszDesc The description of the info and any arguments the handler may take.
362	* @param pfnHandler The handler function to be called to display the info.
363	*/
364	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternal(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERINT pfnHandler)
365	{
366	return DBGFR3InfoRegisterInternalEx(pVM, pszName, pszDesc, pfnHandler, 0);
367	}
368
369
370	/**
371	* Register a info handler owned by an internal component.
372	*
373	* @returns VBox status code.
374	* @param pVM Pointer to the VM.
375	* @param pszName The identifier of the info.
376	* @param pszDesc The description of the info and any arguments the handler may take.
377	* @param pfnHandler The handler function to be called to display the info.
378	* @param fFlags Flags, see the DBGFINFO_FLAGS_*.
379	*/
380	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternalEx(PVM pVM, const char pszName, const char pszDesc,
381	PFNDBGFHANDLERINT pfnHandler, uint32_t fFlags)
382	{
383	LogFlow(("DBGFR3InfoRegisterInternal: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p fFlags=%x\n",
384	pszName, pszName, pszDesc, pszDesc, pfnHandler, fFlags));
385
386	/*
387	* Validate the specific stuff.
388	*/
389	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
390
391	/*
392	* Register
393	*/
394	PDBGFINFO pInfo;
395	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, fFlags, &pInfo);
396	if (RT_SUCCESS(rc))
397	{
398	pInfo->enmType = DBGFINFOTYPE_INT;
399	pInfo->u.Int.pfnHandler = pfnHandler;
400	RTCritSectLeave(&pVM->pUVM->dbgf.s.InfoCritSect);
401	}
402
403	return rc;
404	}
405
406
407	/**
408	* Register a info handler owned by an external component.
409	*
410	* @returns VBox status code.
411	* @param pUVM The user mode VM handle.
412	* @param pszName The identifier of the info.
413	* @param pszDesc The description of the info and any arguments the handler may take.
414	* @param pfnHandler The handler function to be called to display the info.
415	* @param pvUser User argument to be passed to the handler.
416	*/
417	VMMR3DECL(int) DBGFR3InfoRegisterExternal(PUVM pUVM, const char pszName, const char pszDesc,
418	PFNDBGFHANDLEREXT pfnHandler, void *pvUser)
419	{
420	LogFlow(("DBGFR3InfoRegisterExternal: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pvUser=%p\n",
421	pszName, pszName, pszDesc, pszDesc, pfnHandler, pvUser));
422
423	/*
424	* Validate the specific stuff.
425	*/
426	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
427	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
428
429	/*
430	* Register
431	*/
432	PDBGFINFO pInfo;
433	int rc = dbgfR3InfoRegister(pUVM, pszName, pszDesc, 0, &pInfo);
434	if (RT_SUCCESS(rc))
435	{
436	pInfo->enmType = DBGFINFOTYPE_EXT;
437	pInfo->u.Ext.pfnHandler = pfnHandler;
438	pInfo->u.Ext.pvUser = pvUser;
439	RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
440	}
441
442	return rc;
443	}
444
445
446	/**
447	* Deregister one(/all) info handler(s) owned by a device.
448	*
449	* @returns VBox status code.
450	* @param pVM Pointer to the VM.
451	* @param pDevIns Device instance.
452	* @param pszName The identifier of the info. If NULL all owned by the device.
453	*/
454	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName)
455	{
456	LogFlow(("DBGFR3InfoDeregisterDevice: pDevIns=%p pszName=%p:{%s}\n", pDevIns, pszName, pszName));
457
458	/*
459	* Validate input.
460	*/
461	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
462	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
463	size_t cchName = pszName ? strlen(pszName) : 0;
464	PUVM pUVM = pVM->pUVM;
465
466	/*
467	* Enumerate the info handlers and free the requested entries.
468	*/
469	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect); AssertRC(rc);
470	rc = VERR_FILE_NOT_FOUND;
471	PDBGFINFO pPrev = NULL;
472	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
473	if (pszName)
474	{
475	/*
476	* Free a specific one.
477	*/
478	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
479	if ( pInfo->enmType == DBGFINFOTYPE_DEV
480	&& pInfo->u.Dev.pDevIns == pDevIns
481	&& pInfo->cchName == cchName
482	&& !strcmp(pInfo->szName, pszName))
483	{
484	if (pPrev)
485	pPrev->pNext = pInfo->pNext;
486	else
487	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
488	MMR3HeapFree(pInfo);
489	rc = VINF_SUCCESS;
490	break;
491	}
492	}
493	else
494	{
495	/*
496	* Free all owned by the device.
497	*/
498	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
499	if ( pInfo->enmType == DBGFINFOTYPE_DEV
500	&& pInfo->u.Dev.pDevIns == pDevIns)
501	{
502	if (pPrev)
503	pPrev->pNext = pInfo->pNext;
504	else
505	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
506	MMR3HeapFree(pInfo);
507	pInfo = pPrev;
508	}
509	rc = VINF_SUCCESS;
510	}
511	int rc2 = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
512	AssertRC(rc2);
513	AssertRC(rc);
514	LogFlow(("DBGFR3InfoDeregisterDevice: returns %Rrc\n", rc));
515	return rc;
516	}
517
518	/**
519	* Deregister one(/all) info handler(s) owned by a driver.
520	*
521	* @returns VBox status code.
522	* @param pVM Pointer to the VM.
523	* @param pDrvIns Driver instance.
524	* @param pszName The identifier of the info. If NULL all owned by the driver.
525	*/
526	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName)
527	{
528	LogFlow(("DBGFR3InfoDeregisterDriver: pDrvIns=%p pszName=%p:{%s}\n", pDrvIns, pszName, pszName));
529
530	/*
531	* Validate input.
532	*/
533	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
534	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
535	size_t cchName = pszName ? strlen(pszName) : 0;
536	PUVM pUVM = pVM->pUVM;
537
538	/*
539	* Enumerate the info handlers and free the requested entries.
540	*/
541	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect); AssertRC(rc);
542	rc = VERR_FILE_NOT_FOUND;
543	PDBGFINFO pPrev = NULL;
544	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
545	if (pszName)
546	{
547	/*
548	* Free a specific one.
549	*/
550	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
551	if ( pInfo->enmType == DBGFINFOTYPE_DRV
552	&& pInfo->u.Drv.pDrvIns == pDrvIns
553	&& pInfo->cchName == cchName
554	&& !strcmp(pInfo->szName, pszName))
555	{
556	if (pPrev)
557	pPrev->pNext = pInfo->pNext;
558	else
559	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
560	MMR3HeapFree(pInfo);
561	rc = VINF_SUCCESS;
562	break;
563	}
564	}
565	else
566	{
567	/*
568	* Free all owned by the driver.
569	*/
570	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
571	if ( pInfo->enmType == DBGFINFOTYPE_DRV
572	&& pInfo->u.Drv.pDrvIns == pDrvIns)
573	{
574	if (pPrev)
575	pPrev->pNext = pInfo->pNext;
576	else
577	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
578	MMR3HeapFree(pInfo);
579	pInfo = pPrev;
580	}
581	rc = VINF_SUCCESS;
582	}
583	int rc2 = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
584	AssertRC(rc2);
585	AssertRC(rc);
586	LogFlow(("DBGFR3InfoDeregisterDriver: returns %Rrc\n", rc));
587	return rc;
588	}
589
590
591	/**
592	* Internal deregistration helper.
593	*
594	* @returns VBox status code.
595	* @param pUVM Pointer to the VM.
596	* @param pszName The identifier of the info.
597	* @param enmType The info owner type.
598	*/
599	static int dbgfR3InfoDeregister(PUVM pUVM, const char *pszName, DBGFINFOTYPE enmType)
600	{
601	/*
602	* Validate input.
603	*/
604	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
605
606	/*
607	* Find the info handler.
608	*/
609	size_t cchName = strlen(pszName);
610	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
611	AssertRC(rc);
612	rc = VERR_FILE_NOT_FOUND;
613	PDBGFINFO pPrev = NULL;
614	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
615	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
616	if ( pInfo->cchName == cchName
617	&& !strcmp(pInfo->szName, pszName)
618	&& pInfo->enmType == enmType)
619	{
620	if (pPrev)
621	pPrev->pNext = pInfo->pNext;
622	else
623	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
624	MMR3HeapFree(pInfo);
625	rc = VINF_SUCCESS;
626	break;
627	}
628	int rc2 = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
629	AssertRC(rc2);
630	AssertRC(rc);
631	LogFlow(("dbgfR3InfoDeregister: returns %Rrc\n", rc));
632	return rc;
633	}
634
635
636	/**
637	* Deregister a info handler owned by an internal component.
638	*
639	* @returns VBox status code.
640	* @param pVM Pointer to the VM.
641	* @param pszName The identifier of the info. If NULL all owned by the device.
642	*/
643	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterInternal(PVM pVM, const char *pszName)
644	{
645	LogFlow(("DBGFR3InfoDeregisterInternal: pszName=%p:{%s}\n", pszName, pszName));
646	return dbgfR3InfoDeregister(pVM->pUVM, pszName, DBGFINFOTYPE_INT);
647	}
648
649
650	/**
651	* Deregister a info handler owned by an external component.
652	*
653	* @returns VBox status code.
654	* @param pUVM The user mode VM handle.
655	* @param pszName The identifier of the info. If NULL all owned by the device.
656	*/
657	VMMR3DECL(int) DBGFR3InfoDeregisterExternal(PUVM pUVM, const char *pszName)
658	{
659	LogFlow(("DBGFR3InfoDeregisterExternal: pszName=%p:{%s}\n", pszName, pszName));
660	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
661	return dbgfR3InfoDeregister(pUVM, pszName, DBGFINFOTYPE_EXT);
662	}
663
664
665	/**
666	* Worker for DBGFR3Info and DBGFR3InfoEx.
667	*
668	* @returns VBox status code.
669	* @param pUVM The user mode VM handle.
670	* @param idCpu Which CPU to run EMT bound handlers on. VMCPUID_ANY or
671	* a valid CPU ID.
672	* @param pszName What to dump.
673	* @param pszArgs Arguments, optional.
674	* @param pHlp Output helper, optional.
675	*/
676	static DECLCALLBACK(int) dbgfR3Info(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
677	{
678	/*
679	* Validate input.
680	*/
681	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
682	AssertPtrNullReturn(pszArgs, VERR_INVALID_POINTER);
683	if (pHlp)
684	{
685	AssertPtrReturn(pHlp, VERR_INVALID_PARAMETER);
686	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_PARAMETER);
687	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_PARAMETER);
688	}
689	else
690	pHlp = &g_dbgfR3InfoLogHlp;
691
692	/*
693	* Find the info handler.
694	*/
695	size_t cchName = strlen(pszName);
696	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
697	AssertRC(rc);
698	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
699	for (; pInfo; pInfo = pInfo->pNext)
700	if ( pInfo->cchName == cchName
701	&& !memcmp(pInfo->szName, pszName, cchName))
702	break;
703	if (pInfo)
704	{
705	/*
706	* Found it.
707	* Make a copy of it on the stack so we can leave the crit sect.
708	* Switch on the type and invoke the handler.
709	*/
710	DBGFINFO Info = *pInfo;
711	rc = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
712	AssertRC(rc);
713	rc = VINF_SUCCESS;
714	switch (Info.enmType)
715	{
716	case DBGFINFOTYPE_DEV:
717	if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
718	rc = VMR3ReqCallVoidWaitU(pUVM, idCpu, (PFNRT)Info.u.Dev.pfnHandler, 3, Info.u.Dev.pDevIns, pHlp, pszArgs);
719	else
720	Info.u.Dev.pfnHandler(Info.u.Dev.pDevIns, pHlp, pszArgs);
721	break;
722
723	case DBGFINFOTYPE_DRV:
724	if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
725	rc = VMR3ReqCallVoidWaitU(pUVM, idCpu, (PFNRT)Info.u.Drv.pfnHandler, 3, Info.u.Drv.pDrvIns, pHlp, pszArgs);
726	else
727	Info.u.Drv.pfnHandler(Info.u.Drv.pDrvIns, pHlp, pszArgs);
728	break;
729
730	case DBGFINFOTYPE_INT:
731	if (RT_VALID_PTR(pUVM->pVM))
732	{
733	if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
734	rc = VMR3ReqCallVoidWaitU(pUVM, idCpu, (PFNRT)Info.u.Int.pfnHandler, 3, pUVM->pVM, pHlp, pszArgs);
735	else
736	Info.u.Int.pfnHandler(pUVM->pVM, pHlp, pszArgs);
737	}
738	else
739	rc = VERR_INVALID_VM_HANDLE;
740	break;
741
742	case DBGFINFOTYPE_EXT:
743	if (Info.fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
744	rc = VMR3ReqCallVoidWaitU(pUVM, idCpu, (PFNRT)Info.u.Ext.pfnHandler, 3, Info.u.Ext.pvUser, pHlp, pszArgs);
745	else
746	Info.u.Ext.pfnHandler(Info.u.Ext.pvUser, pHlp, pszArgs);
747	break;
748
749	default:
750	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", Info.enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
751	}
752	}
753	else
754	{
755	rc = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
756	AssertRC(rc);
757	rc = VERR_FILE_NOT_FOUND;
758	}
759	return rc;
760	}
761
762	/**
763	* Display a piece of info writing to the supplied handler.
764	*
765	* @returns VBox status code.
766	* @param pUVM The user mode VM handle.
767	* @param pszName The identifier of the info to display.
768	* @param pszArgs Arguments to the info handler.
769	* @param pHlp The output helper functions. If NULL the logger will be used.
770	*/
771	VMMR3DECL(int) DBGFR3Info(PUVM pUVM, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
772	{
773	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
774	return dbgfR3Info(pUVM, VMCPUID_ANY, pszName, pszArgs, pHlp);
775	}
776
777
778	/**
779	* Display a piece of info writing to the supplied handler.
780	*
781	* @returns VBox status code.
782	* @param pUVM The user mode VM handle.
783	* @param idCpu The CPU to exectue the request on. Pass NIL_VMCPUID
784	* to not involve any EMT.
785	* @param pszName The identifier of the info to display.
786	* @param pszArgs Arguments to the info handler.
787	* @param pHlp The output helper functions. If NULL the logger will be used.
788	*/
789	VMMR3DECL(int) DBGFR3InfoEx(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
790	{
791	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
792	if (idCpu == NIL_VMCPUID)
793	return dbgfR3Info(pUVM, VMCPUID_ANY, pszName, pszArgs, pHlp);
794	return VMR3ReqPriorityCallWaitU(pUVM, idCpu,
795	(PFNRT)dbgfR3Info, 5, pUVM, idCpu, pszName, pszArgs, pHlp);
796	}
797
798
799	/**
800	* Wrapper for DBGFR3Info that outputs to the release log.
801	*
802	* @returns See DBGFR3Info.
803	* @param pUVM The user mode VM handle.
804	* @param pszName See DBGFR3Info.
805	* @param pszArgs See DBGFR3Info.
806	*/
807	VMMR3DECL(int) DBGFR3InfoLogRel(PUVM pUVM, const char pszName, const char pszArgs)
808	{
809	return DBGFR3Info(pUVM, pszName, pszArgs, &g_dbgfR3InfoLogRelHlp);
810	}
811
812
813	/**
814	* Wrapper for DBGFR3Info that outputs to standard error.
815	*
816	* @returns See DBGFR3Info.
817	* @param pUVM The user mode VM handle.
818	* @param pszName See DBGFR3Info.
819	* @param pszArgs See DBGFR3Info.
820	*/
821	VMMR3DECL(int) DBGFR3InfoStdErr(PUVM pUVM, const char pszName, const char pszArgs)
822	{
823	return DBGFR3Info(pUVM, pszName, pszArgs, &g_dbgfR3InfoStdErrHlp);
824	}
825
826
827	/**
828	* Display several info items.
829	*
830	* This is intended used by the fatal error dump only.
831	*
832	* @returns
833	* @param pVM Pointer to the VM.
834	* @param pszIncludePat Simple string pattern of info items to include.
835	* @param pszExcludePat Simple string pattern of info items to exclude.
836	* @param pszSepFmt Item separator format string. The item name will be
837	* given as parameter.
838	* @param pHlp The output helper functions. If NULL the logger
839	* will be used.
840	*
841	* @threads EMT
842	*/
843	VMMR3_INT_DECL(int) DBGFR3InfoMulti(PVM pVM, const char pszIncludePat, const char pszExcludePat, const char *pszSepFmt,
844	PCDBGFINFOHLP pHlp)
845	{
846	/*
847	* Validate input.
848	*/
849	PUVM pUVM = pVM->pUVM;
850	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
851	AssertPtrReturn(pszIncludePat, VERR_INVALID_POINTER);
852	AssertPtrReturn(pszExcludePat, VERR_INVALID_POINTER);
853	if (pHlp)
854	{
855	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_POINTER);
856	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_POINTER);
857	}
858	else
859	pHlp = &g_dbgfR3InfoLogHlp;
860
861	size_t const cchIncludePat = strlen(pszIncludePat);
862	size_t const cchExcludePat = strlen(pszExcludePat);
863	const char *pszArgs = "";
864
865	/*
866	* Enumerate the info handlers and call the ones matching.
867	* Note! We won't leave the critical section here...
868	*/
869	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
870	AssertRC(rc);
871	rc = VWRN_NOT_FOUND;
872	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
873	{
874	if ( RTStrSimplePatternMultiMatch(pszIncludePat, cchIncludePat, pInfo->szName, pInfo->cchName, NULL)
875	&& !RTStrSimplePatternMultiMatch(pszExcludePat, cchExcludePat, pInfo->szName, pInfo->cchName, NULL))
876	{
877	pHlp->pfnPrintf(pHlp, pszSepFmt, pInfo->szName);
878	rc = VINF_SUCCESS;
879	switch (pInfo->enmType)
880	{
881	case DBGFINFOTYPE_DEV:
882	if (pInfo->fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
883	rc = VMR3ReqCallVoidWaitU(pUVM, VMCPUID_ANY, (PFNRT)pInfo->u.Dev.pfnHandler, 3,
884	pInfo->u.Dev.pDevIns, pHlp, pszArgs);
885	else
886	pInfo->u.Dev.pfnHandler(pInfo->u.Dev.pDevIns, pHlp, pszArgs);
887	break;
888
889	case DBGFINFOTYPE_DRV:
890	if (pInfo->fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
891	rc = VMR3ReqCallVoidWaitU(pUVM, VMCPUID_ANY, (PFNRT)pInfo->u.Drv.pfnHandler, 3,
892	pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
893	else
894	pInfo->u.Drv.pfnHandler(pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
895	break;
896
897	case DBGFINFOTYPE_INT:
898	if (pInfo->fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
899	rc = VMR3ReqCallVoidWaitU(pUVM, VMCPUID_ANY, (PFNRT)pInfo->u.Int.pfnHandler, 3, pVM, pHlp, pszArgs);
900	else
901	pInfo->u.Int.pfnHandler(pVM, pHlp, pszArgs);
902	break;
903
904	case DBGFINFOTYPE_EXT:
905	if (pInfo->fFlags & DBGFINFO_FLAGS_RUN_ON_EMT)
906	rc = VMR3ReqCallVoidWaitU(pUVM, VMCPUID_ANY, (PFNRT)pInfo->u.Ext.pfnHandler, 3,
907	pInfo->u.Ext.pvUser, pHlp, pszArgs);
908	else
909	pInfo->u.Ext.pfnHandler(pInfo->u.Ext.pvUser, pHlp, pszArgs);
910	break;
911
912	default:
913	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", pInfo->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
914	}
915	}
916	}
917	int rc2 = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
918	AssertRC(rc2);
919
920	return rc;
921	}
922
923
924	/**
925	* Enumerate all the register info handlers.
926	*
927	* @returns VBox status code.
928	* @param pUVM The user mode VM handle.
929	* @param pfnCallback Pointer to callback function.
930	* @param pvUser User argument to pass to the callback.
931	*/
932	VMMR3DECL(int) DBGFR3InfoEnum(PUVM pUVM, PFNDBGFINFOENUM pfnCallback, void *pvUser)
933	{
934	LogFlow(("DBGFR3InfoLog: pfnCallback=%p pvUser=%p\n", pfnCallback, pvUser));
935
936	/*
937	* Validate input.
938	*/
939	if (!pfnCallback)
940	{
941	AssertMsgFailed(("!pfnCallback\n"));
942	return VERR_INVALID_PARAMETER;
943	}
944	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
945
946	/*
947	* Enter and enumerate.
948	*/
949	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
950	AssertRC(rc);
951
952	rc = VINF_SUCCESS;
953	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; RT_SUCCESS(rc) && pInfo; pInfo = pInfo->pNext)
954	rc = pfnCallback(pUVM, pInfo->szName, pInfo->pszDesc, pvUser);
955
956	/*
957	* Leave and exit.
958	*/
959	int rc2 = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
960	AssertRC(rc2);
961
962	LogFlow(("DBGFR3InfoLog: returns %Rrc\n", rc));
963	return rc;
964	}
965
966
967	/**
968	* Info handler, internal version.
969	*
970	* @param pVM Pointer to the VM.
971	* @param pHlp Callback functions for doing output.
972	* @param pszArgs Argument string. Optional and specific to the handler.
973	*/
974	static DECLCALLBACK(void) dbgfR3InfoHelp(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
975	{
976	LogFlow(("dbgfR3InfoHelp: pszArgs=%s\n", pszArgs));
977
978	/*
979	* Enter and enumerate.
980	*/
981	PUVM pUVM = pVM->pUVM;
982	int rc = RTCritSectEnter(&pUVM->dbgf.s.InfoCritSect);
983	AssertRC(rc);
984
985	if (pszArgs && *pszArgs)
986	{
987	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
988	{
989	const char *psz = strstr(pszArgs, pInfo->szName);
990	if ( psz
991	&& ( psz == pszArgs
992	\|\| RT_C_IS_SPACE(psz[-1]))
993	&& ( !psz[pInfo->cchName]
994	\|\| RT_C_IS_SPACE(psz[pInfo->cchName])))
995	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
996	pInfo->szName, pInfo->pszDesc);
997	}
998	}
999	else
1000	{
1001	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1002	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
1003	pInfo->szName, pInfo->pszDesc);
1004	}
1005
1006	/*
1007	* Leave and exit.
1008	*/
1009	rc = RTCritSectLeave(&pUVM->dbgf.s.InfoCritSect);
1010	AssertRC(rc);
1011	}
1012

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source: vbox/trunk/src/VBox/VMM/VMMR3/DBGFInfo.cpp@ 55036

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