DBGFInfo.cpp@ 97178

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1	/* $Id: DBGFInfo.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* DBGF - Debugger Facility, Info.
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DBGF_INFO
33	#include <VBox/vmm/dbgf.h>
34
35	#include <VBox/vmm/mm.h>
36	#include "DBGFInternal.h"
37	#include <VBox/vmm/vm.h>
38	#include <VBox/vmm/uvm.h>
39	#include <VBox/err.h>
40	#include <VBox/log.h>
41
42	#include <iprt/assert.h>
43	#include <iprt/ctype.h>
44	#include <iprt/getopt.h>
45	#include <iprt/param.h>
46	#include <iprt/semaphore.h>
47	#include <iprt/stream.h>
48	#include <iprt/string.h>
49	#include <iprt/thread.h>
50
51
52	/*********************************************************************************************************************************
53	* Internal Functions *
54	*********************************************************************************************************************************/
55	static DECLCALLBACK(void) dbgfR3InfoLog_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
56	static DECLCALLBACK(void) dbgfR3InfoLog_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
57	static DECLCALLBACK(void) dbgfR3InfoLogRel_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
58	static DECLCALLBACK(void) dbgfR3InfoLogRel_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
59	static DECLCALLBACK(void) dbgfR3InfoStdErr_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...);
60	static DECLCALLBACK(void) dbgfR3InfoStdErr_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args);
61	static DECLCALLBACK(void) dbgfR3InfoHelp(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
62
63
64	/*********************************************************************************************************************************
65	* Global Variables *
66	*********************************************************************************************************************************/
67	/** Logger output. */
68	static const DBGFINFOHLP g_dbgfR3InfoLogHlp =
69	{
70	dbgfR3InfoLog_Printf,
71	dbgfR3InfoLog_PrintfV,
72	DBGFR3InfoGenericGetOptError,
73	};
74
75	/** Release logger output. */
76	static const DBGFINFOHLP g_dbgfR3InfoLogRelHlp =
77	{
78	dbgfR3InfoLogRel_Printf,
79	dbgfR3InfoLogRel_PrintfV,
80	DBGFR3InfoGenericGetOptError
81	};
82
83	/** Standard error output. */
84	static const DBGFINFOHLP g_dbgfR3InfoStdErrHlp =
85	{
86	dbgfR3InfoStdErr_Printf,
87	dbgfR3InfoStdErr_PrintfV,
88	DBGFR3InfoGenericGetOptError
89	};
90
91
92	/**
93	* Initialize the info handlers.
94	*
95	* This is called first during the DBGF init process and thus does the shared
96	* critsect init.
97	*
98	* @returns VBox status code.
99	* @param pUVM The user mode VM handle.
100	*/
101	int dbgfR3InfoInit(PUVM pUVM)
102	{
103	/*
104	* Make sure we already didn't initialized in the lazy manner.
105	*/
106	if (RTCritSectRwIsInitialized(&pUVM->dbgf.s.CritSect))
107	return VINF_SUCCESS;
108
109	/*
110	* Initialize the crit sect.
111	*/
112	int rc = RTCritSectRwInit(&pUVM->dbgf.s.CritSect);
113	AssertRCReturn(rc, rc);
114
115	/*
116	* Register the 'info help' item.
117	*/
118	rc = DBGFR3InfoRegisterInternal(pUVM->pVM, "help", "List of info items.", dbgfR3InfoHelp);
119	AssertRCReturn(rc, rc);
120
121	return VINF_SUCCESS;
122	}
123
124
125	/**
126	* Terminate the info handlers.
127	*
128	* @returns VBox status code.
129	* @param pUVM The user mode VM handle.
130	*/
131	int dbgfR3InfoTerm(PUVM pUVM)
132	{
133	/*
134	* Delete the crit sect.
135	*/
136	int rc = RTCritSectRwDelete(&pUVM->dbgf.s.CritSect);
137	AssertRC(rc);
138	return rc;
139	}
140
141
142	/**
143	* @interface_method_impl{DBGFINFOHLP,pfnGetOptError}
144	*/
145	VMMR3DECL(void) DBGFR3InfoGenericGetOptError(PCDBGFINFOHLP pHlp, int rc, PRTGETOPTUNION pValueUnion, PRTGETOPTSTATE pState)
146	{
147	RT_NOREF(pState);
148	char szMsg[1024];
149	RTGetOptFormatError(szMsg, sizeof(szMsg), rc, pValueUnion);
150	pHlp->pfnPrintf(pHlp, "syntax error: %s\n", szMsg);
151	}
152
153
154	/**
155	* @interface_method_impl{DBGFINFOHLP,pfnPrintf, Logger output.}
156	*/
157	static DECLCALLBACK(void) dbgfR3InfoLog_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
158	{
159	NOREF(pHlp);
160	va_list args;
161	va_start(args, pszFormat);
162	RTLogPrintfV(pszFormat, args);
163	va_end(args);
164	}
165
166
167	/**
168	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV, Logger output.}
169	*/
170	static DECLCALLBACK(void) dbgfR3InfoLog_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
171	{
172	NOREF(pHlp);
173	RTLogPrintfV(pszFormat, args);
174	}
175
176
177	/**
178	* Gets the logger info helper.
179	* The returned info helper will unconditionally write all output to the log.
180	*
181	* @returns Pointer to the logger info helper.
182	*/
183	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogHlp(void)
184	{
185	return &g_dbgfR3InfoLogHlp;
186	}
187
188
189	/**
190	* @interface_method_impl{DBGFINFOHLP,pfnPrintf, Release logger output.}
191	*/
192	static DECLCALLBACK(void) dbgfR3InfoLogRel_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
193	{
194	NOREF(pHlp);
195	va_list args;
196	va_start(args, pszFormat);
197	RTLogRelPrintfV(pszFormat, args);
198	va_end(args);
199	}
200
201
202	/**
203	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV, Release logger output.}
204	*/
205	static DECLCALLBACK(void) dbgfR3InfoLogRel_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
206	{
207	NOREF(pHlp);
208	RTLogRelPrintfV(pszFormat, args);
209	}
210
211
212	/**
213	* @interface_method_impl{DBGFINFOHLP,pfnPrintf, Stdandard error output.}
214	*/
215	static DECLCALLBACK(void) dbgfR3InfoStdErr_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
216	{
217	NOREF(pHlp);
218	va_list args;
219	va_start(args, pszFormat);
220	RTStrmPrintfV(g_pStdErr, pszFormat, args);
221	va_end(args);
222	}
223
224
225	/**
226	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV, Stdandard error output.}
227	*/
228	static DECLCALLBACK(void) dbgfR3InfoStdErr_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
229	{
230	NOREF(pHlp);
231	RTStrmPrintfV(g_pStdErr, pszFormat, args);
232	}
233
234
235	/**
236	* Gets the release logger info helper.
237	* The returned info helper will unconditionally write all output to the release log.
238	*
239	* @returns Pointer to the release logger info helper.
240	*/
241	VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogRelHlp(void)
242	{
243	return &g_dbgfR3InfoLogRelHlp;
244	}
245
246
247	/**
248	* Handle registration worker.
249	*
250	* This allocates the structure, initializes the common fields and inserts into the list.
251	* Upon successful return the we're inside the crit sect and the caller must leave it.
252	*
253	* @returns VBox status code.
254	* @param pUVM The user mode VM handle.
255	* @param pszName The identifier of the info.
256	* @param pszDesc The description of the info and any arguments the handler may take.
257	* @param fFlags The flags.
258	* @param ppInfo Where to store the created
259	*/
260	static int dbgfR3InfoRegister(PUVM pUVM, const char pszName, const char pszDesc, uint32_t fFlags, PDBGFINFO *ppInfo)
261	{
262	/*
263	* Validate.
264	*/
265	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
266	AssertReturn(*pszName, VERR_INVALID_PARAMETER);
267	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
268	AssertMsgReturn(!(fFlags & ~(DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS)),
269	("fFlags=%#x\n", fFlags), VERR_INVALID_FLAGS);
270
271	/*
272	* Allocate and initialize.
273	*/
274	int rc;
275	size_t cchName = strlen(pszName) + 1;
276	PDBGFINFO pInfo = (PDBGFINFO)MMR3HeapAllocU(pUVM, MM_TAG_DBGF_INFO, RT_UOFFSETOF_DYN(DBGFINFO, szName[cchName]));
277	if (pInfo)
278	{
279	pInfo->enmType = DBGFINFOTYPE_INVALID;
280	pInfo->fFlags = fFlags;
281	pInfo->pszDesc = pszDesc;
282	pInfo->cchName = cchName - 1;
283	memcpy(pInfo->szName, pszName, cchName);
284
285	/* lazy init */
286	rc = VINF_SUCCESS;
287	if (!RTCritSectRwIsInitialized(&pUVM->dbgf.s.CritSect))
288	rc = dbgfR3InfoInit(pUVM);
289	if (RT_SUCCESS(rc))
290	{
291	/*
292	* Insert in alphabetical order.
293	*/
294	rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect);
295	AssertRC(rc);
296	PDBGFINFO pPrev = NULL;
297	PDBGFINFO pCur;
298	for (pCur = pUVM->dbgf.s.pInfoFirst; pCur; pPrev = pCur, pCur = pCur->pNext)
299	if (strcmp(pszName, pCur->szName) < 0)
300	break;
301	pInfo->pNext = pCur;
302	if (pPrev)
303	pPrev->pNext = pInfo;
304	else
305	pUVM->dbgf.s.pInfoFirst = pInfo;
306
307	*ppInfo = pInfo;
308	return VINF_SUCCESS;
309	}
310	MMR3HeapFree(pInfo);
311	}
312	else
313	rc = VERR_NO_MEMORY;
314	return rc;
315	}
316
317
318	/**
319	* Register a info handler owned by a device.
320	*
321	* @returns VBox status code.
322	* @param pVM The cross context VM structure.
323	* @param pszName The identifier of the info.
324	* @param pszDesc The description of the info and any arguments the handler may take.
325	* @param pfnHandler The handler function to be called to display the info.
326	* @param pDevIns The device instance owning the info.
327	*/
328	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDevice(PVM pVM, const char pszName, const char pszDesc,
329	PFNDBGFHANDLERDEV pfnHandler, PPDMDEVINS pDevIns)
330	{
331	LogFlow(("DBGFR3InfoRegisterDevice: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDevIns=%p\n",
332	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDevIns));
333
334	/*
335	* Validate the specific stuff.
336	*/
337	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
338	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
339
340	/*
341	* Register
342	*/
343	PDBGFINFO pInfo;
344	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
345	if (RT_SUCCESS(rc))
346	{
347	pInfo->enmType = DBGFINFOTYPE_DEV;
348	pInfo->u.Dev.pfnHandler = pfnHandler;
349	pInfo->u.Dev.pDevIns = pDevIns;
350	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
351	}
352
353	return rc;
354	}
355
356
357	/**
358	* Register a info handler owned by a driver.
359	*
360	* @returns VBox status code.
361	* @param pVM The cross context VM structure.
362	* @param pszName The identifier of the info.
363	* @param pszDesc The description of the info and any arguments the handler may take.
364	* @param pfnHandler The handler function to be called to display the info.
365	* @param pDrvIns The driver instance owning the info.
366	*/
367	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDriver(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERDRV pfnHandler, PPDMDRVINS pDrvIns)
368	{
369	LogFlow(("DBGFR3InfoRegisterDriver: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDrvIns=%p\n",
370	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDrvIns));
371
372	/*
373	* Validate the specific stuff.
374	*/
375	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
376	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
377
378	/*
379	* Register
380	*/
381	PDBGFINFO pInfo;
382	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
383	if (RT_SUCCESS(rc))
384	{
385	pInfo->enmType = DBGFINFOTYPE_DRV;
386	pInfo->u.Drv.pfnHandler = pfnHandler;
387	pInfo->u.Drv.pDrvIns = pDrvIns;
388	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
389	}
390
391	return rc;
392	}
393
394
395	/**
396	* Register a info handler owned by an internal component.
397	*
398	* @returns VBox status code.
399	* @param pVM The cross context VM structure.
400	* @param pszName The identifier of the info.
401	* @param pszDesc The description of the info and any arguments the handler may take.
402	* @param pfnHandler The handler function to be called to display the info.
403	*/
404	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternal(PVM pVM, const char pszName, const char pszDesc, PFNDBGFHANDLERINT pfnHandler)
405	{
406	return DBGFR3InfoRegisterInternalEx(pVM, pszName, pszDesc, pfnHandler, 0);
407	}
408
409
410	/**
411	* Register a info handler owned by an internal component.
412	*
413	* @returns VBox status code.
414	* @param pVM The cross context VM structure.
415	* @param pszName The identifier of the info.
416	* @param pszDesc The description of the info and any arguments the handler may take.
417	* @param pfnHandler The handler function to be called to display the info.
418	* @param fFlags Flags, see the DBGFINFO_FLAGS_*.
419	*/
420	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternalEx(PVM pVM, const char pszName, const char pszDesc,
421	PFNDBGFHANDLERINT pfnHandler, uint32_t fFlags)
422	{
423	LogFlow(("DBGFR3InfoRegisterInternalEx: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p fFlags=%x\n",
424	pszName, pszName, pszDesc, pszDesc, pfnHandler, fFlags));
425
426	/*
427	* Validate the specific stuff.
428	*/
429	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
430
431	/*
432	* Register
433	*/
434	PDBGFINFO pInfo;
435	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, fFlags, &pInfo);
436	if (RT_SUCCESS(rc))
437	{
438	pInfo->enmType = DBGFINFOTYPE_INT;
439	pInfo->u.Int.pfnHandler = pfnHandler;
440	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
441	}
442
443	return rc;
444	}
445
446
447	/**
448	* Register a info handler owned by an external component.
449	*
450	* @returns VBox status code.
451	* @param pUVM The user mode VM handle.
452	* @param pszName The identifier of the info.
453	* @param pszDesc The description of the info and any arguments the handler may take.
454	* @param pfnHandler The handler function to be called to display the info.
455	* @param pvUser User argument to be passed to the handler.
456	*/
457	VMMR3DECL(int) DBGFR3InfoRegisterExternal(PUVM pUVM, const char pszName, const char pszDesc,
458	PFNDBGFHANDLEREXT pfnHandler, void *pvUser)
459	{
460	LogFlow(("DBGFR3InfoRegisterExternal: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pvUser=%p\n",
461	pszName, pszName, pszDesc, pszDesc, pfnHandler, pvUser));
462
463	/*
464	* Validate the specific stuff.
465	*/
466	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
467	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
468
469	/*
470	* Register
471	*/
472	PDBGFINFO pInfo;
473	int rc = dbgfR3InfoRegister(pUVM, pszName, pszDesc, 0, &pInfo);
474	if (RT_SUCCESS(rc))
475	{
476	pInfo->enmType = DBGFINFOTYPE_EXT;
477	pInfo->u.Ext.pfnHandler = pfnHandler;
478	pInfo->u.Ext.pvUser = pvUser;
479	RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
480	}
481
482	return rc;
483	}
484
485
486	/**
487	* Register a info handler owned by a device, argv style.
488	*
489	* @returns VBox status code.
490	* @param pVM The cross context VM structure.
491	* @param pszName The identifier of the info.
492	* @param pszDesc The description of the info and any arguments the handler may take.
493	* @param pfnHandler The handler function to be called to display the info.
494	* @param pDevIns The device instance owning the info.
495	*/
496	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDeviceArgv(PVM pVM, const char pszName, const char pszDesc,
497	PFNDBGFINFOARGVDEV pfnHandler, PPDMDEVINS pDevIns)
498	{
499	LogFlow(("DBGFR3InfoRegisterDeviceArgv: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDevIns=%p\n",
500	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDevIns));
501
502	/*
503	* Validate the specific stuff.
504	*/
505	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
506	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
507
508	/*
509	* Register
510	*/
511	PDBGFINFO pInfo;
512	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
513	if (RT_SUCCESS(rc))
514	{
515	pInfo->enmType = DBGFINFOTYPE_DEV_ARGV;
516	pInfo->u.DevArgv.pfnHandler = pfnHandler;
517	pInfo->u.DevArgv.pDevIns = pDevIns;
518	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
519	}
520
521	return rc;
522	}
523
524
525	/**
526	* Register a info handler owned by a driver, argv style.
527	*
528	* @returns VBox status code.
529	* @param pVM The cross context VM structure.
530	* @param pszName The identifier of the info.
531	* @param pszDesc The description of the info and any arguments the handler may take.
532	* @param pfnHandler The handler function to be called to display the info.
533	* @param pDrvIns The driver instance owning the info.
534	*/
535	VMMR3_INT_DECL(int) DBGFR3InfoRegisterDriverArgv(PVM pVM, const char pszName, const char pszDesc,
536	PFNDBGFINFOARGVDRV pfnHandler, PPDMDRVINS pDrvIns)
537	{
538	LogFlow(("DBGFR3InfoRegisterDriverArgv: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pDrvIns=%p\n",
539	pszName, pszName, pszDesc, pszDesc, pfnHandler, pDrvIns));
540
541	/*
542	* Validate the specific stuff.
543	*/
544	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
545	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
546
547	/*
548	* Register
549	*/
550	PDBGFINFO pInfo;
551	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
552	if (RT_SUCCESS(rc))
553	{
554	pInfo->enmType = DBGFINFOTYPE_DRV_ARGV;
555	pInfo->u.DrvArgv.pfnHandler = pfnHandler;
556	pInfo->u.DrvArgv.pDrvIns = pDrvIns;
557	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
558	}
559
560	return rc;
561	}
562
563
564	/**
565	* Register a info handler owned by a USB device, argv style.
566	*
567	* @returns VBox status code.
568	* @param pVM The cross context VM structure.
569	* @param pszName The identifier of the info.
570	* @param pszDesc The description of the info and any arguments the handler may take.
571	* @param pfnHandler The handler function to be called to display the info.
572	* @param pUsbIns The USB device instance owning the info.
573	*/
574	VMMR3_INT_DECL(int) DBGFR3InfoRegisterUsbArgv(PVM pVM, const char pszName, const char pszDesc,
575	PFNDBGFINFOARGVUSB pfnHandler, PPDMUSBINS pUsbIns)
576	{
577	LogFlow(("DBGFR3InfoRegisterDriverArgv: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pUsbIns=%p\n",
578	pszName, pszName, pszDesc, pszDesc, pfnHandler, pUsbIns));
579
580	/*
581	* Validate the specific stuff.
582	*/
583	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
584	AssertPtrReturn(pUsbIns, VERR_INVALID_POINTER);
585
586	/*
587	* Register
588	*/
589	PDBGFINFO pInfo;
590	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, 0, &pInfo);
591	if (RT_SUCCESS(rc))
592	{
593	pInfo->enmType = DBGFINFOTYPE_USB_ARGV;
594	pInfo->u.UsbArgv.pfnHandler = pfnHandler;
595	pInfo->u.UsbArgv.pUsbIns = pUsbIns;
596	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
597	}
598
599	return rc;
600	}
601
602
603	/**
604	* Register a info handler owned by an internal component, argv style.
605	*
606	* @returns VBox status code.
607	* @param pVM The cross context VM structure.
608	* @param pszName The identifier of the info.
609	* @param pszDesc The description of the info and any arguments the handler may take.
610	* @param pfnHandler The handler function to be called to display the info.
611	* @param fFlags Flags, see the DBGFINFO_FLAGS_*.
612	*/
613	VMMR3_INT_DECL(int) DBGFR3InfoRegisterInternalArgv(PVM pVM, const char pszName, const char pszDesc,
614	PFNDBGFINFOARGVINT pfnHandler, uint32_t fFlags)
615	{
616	LogFlow(("DBGFR3InfoRegisterInternalArgv: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p fFlags=%x\n",
617	pszName, pszName, pszDesc, pszDesc, pfnHandler, fFlags));
618
619	/*
620	* Validate the specific stuff.
621	*/
622	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
623
624	/*
625	* Register
626	*/
627	PDBGFINFO pInfo;
628	int rc = dbgfR3InfoRegister(pVM->pUVM, pszName, pszDesc, fFlags, &pInfo);
629	if (RT_SUCCESS(rc))
630	{
631	pInfo->enmType = DBGFINFOTYPE_INT_ARGV;
632	pInfo->u.IntArgv.pfnHandler = pfnHandler;
633	RTCritSectRwLeaveExcl(&pVM->pUVM->dbgf.s.CritSect);
634	}
635
636	return rc;
637	}
638
639
640	/**
641	* Register a info handler owned by an external component.
642	*
643	* @returns VBox status code.
644	* @param pUVM The user mode VM handle.
645	* @param pszName The identifier of the info.
646	* @param pszDesc The description of the info and any arguments the handler may take.
647	* @param pfnHandler The handler function to be called to display the info.
648	* @param pvUser User argument to be passed to the handler.
649	*/
650	VMMR3DECL(int) DBGFR3InfoRegisterExternalArgv(PUVM pUVM, const char pszName, const char pszDesc,
651	PFNDBGFINFOARGVEXT pfnHandler, void *pvUser)
652	{
653	LogFlow(("DBGFR3InfoRegisterExternalArgv: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p pvUser=%p\n",
654	pszName, pszName, pszDesc, pszDesc, pfnHandler, pvUser));
655
656	/*
657	* Validate the specific stuff.
658	*/
659	AssertPtrReturn(pfnHandler, VERR_INVALID_POINTER);
660	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
661
662	/*
663	* Register
664	*/
665	PDBGFINFO pInfo;
666	int rc = dbgfR3InfoRegister(pUVM, pszName, pszDesc, 0, &pInfo);
667	if (RT_SUCCESS(rc))
668	{
669	pInfo->enmType = DBGFINFOTYPE_EXT_ARGV;
670	pInfo->u.ExtArgv.pfnHandler = pfnHandler;
671	pInfo->u.ExtArgv.pvUser = pvUser;
672	RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
673	}
674
675	return rc;
676	}
677
678
679	/**
680	* Deregister one(/all) info handler(s) owned by a device.
681	*
682	* @returns VBox status code.
683	* @param pVM The cross context VM structure.
684	* @param pDevIns Device instance.
685	* @param pszName The identifier of the info. If NULL all owned by the device.
686	*/
687	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName)
688	{
689	LogFlow(("DBGFR3InfoDeregisterDevice: pDevIns=%p pszName=%p:{%s}\n", pDevIns, pszName, pszName));
690
691	/*
692	* Validate input.
693	*/
694	AssertPtrReturn(pDevIns, VERR_INVALID_POINTER);
695	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
696	size_t cchName = pszName ? strlen(pszName) : 0;
697	PUVM pUVM = pVM->pUVM;
698
699	/*
700	* Enumerate the info handlers and free the requested entries.
701	*/
702	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect); AssertRC(rc);
703	rc = VERR_FILE_NOT_FOUND;
704	PDBGFINFO pPrev = NULL;
705	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
706	if (pszName)
707	{
708	/*
709	* Free a specific one.
710	*/
711	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
712	if ( ( (pInfo->enmType == DBGFINFOTYPE_DEV && pInfo->u.Dev.pDevIns == pDevIns)
713	\|\| (pInfo->enmType == DBGFINFOTYPE_DEV_ARGV && pInfo->u.DevArgv.pDevIns == pDevIns))
714	&& pInfo->cchName == cchName
715	&& memcmp(pInfo->szName, pszName, cchName) == 0)
716	{
717	if (pPrev)
718	pPrev->pNext = pInfo->pNext;
719	else
720	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
721	MMR3HeapFree(pInfo);
722	rc = VINF_SUCCESS;
723	break;
724	}
725	}
726	else
727	{
728	/*
729	* Free all owned by the device.
730	*/
731	while (pInfo != NULL)
732	if ( (pInfo->enmType == DBGFINFOTYPE_DEV && pInfo->u.Dev.pDevIns == pDevIns)
733	\|\| (pInfo->enmType == DBGFINFOTYPE_DEV_ARGV && pInfo->u.DevArgv.pDevIns == pDevIns))
734	{
735	PDBGFINFO volatile pFree = pInfo;
736	pInfo = pInfo->pNext;
737	if (pPrev)
738	pPrev->pNext = pInfo;
739	else
740	pUVM->dbgf.s.pInfoFirst = pInfo;
741	MMR3HeapFree(pFree);
742	}
743	else
744	{
745	pPrev = pInfo;
746	pInfo = pInfo->pNext;
747	}
748	rc = VINF_SUCCESS;
749	}
750	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
751	AssertRC(rc2);
752	AssertRC(rc);
753	LogFlow(("DBGFR3InfoDeregisterDevice: returns %Rrc\n", rc));
754	return rc;
755	}
756
757
758	/**
759	* Deregister one(/all) info handler(s) owned by a driver.
760	*
761	* @returns VBox status code.
762	* @param pVM The cross context VM structure.
763	* @param pDrvIns Driver instance.
764	* @param pszName The identifier of the info. If NULL all owned by the driver.
765	*/
766	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName)
767	{
768	LogFlow(("DBGFR3InfoDeregisterDriver: pDrvIns=%p pszName=%p:{%s}\n", pDrvIns, pszName, pszName));
769
770	/*
771	* Validate input.
772	*/
773	AssertPtrReturn(pDrvIns, VERR_INVALID_POINTER);
774	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
775	size_t cchName = pszName ? strlen(pszName) : 0;
776	PUVM pUVM = pVM->pUVM;
777
778	/*
779	* Enumerate the info handlers and free the requested entries.
780	*/
781	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect); AssertRC(rc);
782	rc = VERR_FILE_NOT_FOUND;
783	PDBGFINFO pPrev = NULL;
784	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
785	if (pszName)
786	{
787	/*
788	* Free a specific one.
789	*/
790	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
791	if ( ( (pInfo->enmType == DBGFINFOTYPE_DRV && pInfo->u.Drv.pDrvIns == pDrvIns)
792	\|\| (pInfo->enmType == DBGFINFOTYPE_DRV_ARGV && pInfo->u.DrvArgv.pDrvIns == pDrvIns))
793	&& pInfo->cchName == cchName
794	&& memcmp(pInfo->szName, pszName, cchName) == 0)
795	{
796	if (pPrev)
797	pPrev->pNext = pInfo->pNext;
798	else
799	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
800	MMR3HeapFree(pInfo);
801	rc = VINF_SUCCESS;
802	break;
803	}
804	}
805	else
806	{
807	/*
808	* Free all owned by the driver.
809	*/
810	while (pInfo != NULL)
811	if ( (pInfo->enmType == DBGFINFOTYPE_DRV && pInfo->u.Drv.pDrvIns == pDrvIns)
812	\|\| (pInfo->enmType == DBGFINFOTYPE_DRV_ARGV && pInfo->u.DrvArgv.pDrvIns == pDrvIns))
813	{
814	PDBGFINFO volatile pFree = pInfo;
815	pInfo = pInfo->pNext;
816	if (pPrev)
817	pPrev->pNext = pInfo;
818	else
819	pUVM->dbgf.s.pInfoFirst = pInfo;
820	MMR3HeapFree(pFree);
821	}
822	else
823	{
824	pPrev = pInfo;
825	pInfo = pInfo->pNext;
826	}
827	rc = VINF_SUCCESS;
828	}
829	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
830	AssertRC(rc2);
831	AssertRC(rc);
832	LogFlow(("DBGFR3InfoDeregisterDriver: returns %Rrc\n", rc));
833	return rc;
834	}
835
836
837	/**
838	* Deregister one(/all) info handler(s) owned by a USB device.
839	*
840	* @returns VBox status code.
841	* @param pVM The cross context VM structure.
842	* @param pUsbIns USB device instance.
843	* @param pszName The identifier of the info. If NULL all owned by the driver.
844	*/
845	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterUsb(PVM pVM, PPDMUSBINS pUsbIns, const char *pszName)
846	{
847	LogFlow(("DBGFR3InfoDeregisterUsb: pUsbIns=%p pszName=%p:{%s}\n", pUsbIns, pszName, pszName));
848
849	/*
850	* Validate input.
851	*/
852	AssertPtrReturn(pUsbIns, VERR_INVALID_POINTER);
853	AssertPtrNullReturn(pszName, VERR_INVALID_POINTER);
854	size_t cchName = pszName ? strlen(pszName) : 0;
855	PUVM pUVM = pVM->pUVM;
856
857	/*
858	* Enumerate the info handlers and free the requested entries.
859	*/
860	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect); AssertRC(rc);
861	rc = VERR_FILE_NOT_FOUND;
862	PDBGFINFO pPrev = NULL;
863	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
864	if (pszName)
865	{
866	/*
867	* Free a specific one.
868	*/
869	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
870	if ( pInfo->enmType == DBGFINFOTYPE_USB_ARGV
871	&& pInfo->u.UsbArgv.pUsbIns == pUsbIns
872	&& pInfo->cchName == cchName
873	&& memcmp(pInfo->szName, pszName, cchName) == 0)
874	{
875	if (pPrev)
876	pPrev->pNext = pInfo->pNext;
877	else
878	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
879	MMR3HeapFree(pInfo);
880	rc = VINF_SUCCESS;
881	break;
882	}
883	}
884	else
885	{
886	/*
887	* Free all owned by the driver.
888	*/
889	while (pInfo != NULL)
890	if ( pInfo->enmType == DBGFINFOTYPE_USB_ARGV
891	&& pInfo->u.UsbArgv.pUsbIns == pUsbIns)
892	{
893	PDBGFINFO volatile pFree = pInfo;
894	pInfo = pInfo->pNext;
895	if (pPrev)
896	pPrev->pNext = pInfo;
897	else
898	pUVM->dbgf.s.pInfoFirst = pInfo;
899	MMR3HeapFree(pFree);
900	}
901	else
902	{
903	pPrev = pInfo;
904	pInfo = pInfo->pNext;
905	}
906	rc = VINF_SUCCESS;
907	}
908	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
909	AssertRC(rc2);
910	AssertRC(rc);
911	LogFlow(("DBGFR3InfoDeregisterDriver: returns %Rrc\n", rc));
912	return rc;
913	}
914
915
916	/**
917	* Internal deregistration helper.
918	*
919	* @returns VBox status code.
920	* @param pUVM Pointer to the VM.
921	* @param pszName The identifier of the info.
922	* @param enmType1 The first info owner type (old style).
923	* @param enmType2 The second info owner type (argv).
924	*/
925	static int dbgfR3InfoDeregister(PUVM pUVM, const char *pszName, DBGFINFOTYPE enmType1, DBGFINFOTYPE enmType2)
926	{
927	/*
928	* Validate input.
929	*/
930	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
931
932	/*
933	* Find the info handler.
934	*/
935	size_t cchName = strlen(pszName);
936	int rc = RTCritSectRwEnterExcl(&pUVM->dbgf.s.CritSect);
937	AssertRC(rc);
938	rc = VERR_FILE_NOT_FOUND;
939	PDBGFINFO pPrev = NULL;
940	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
941	for (; pInfo; pPrev = pInfo, pInfo = pInfo->pNext)
942	if ( pInfo->cchName == cchName
943	&& memcmp(pInfo->szName, pszName, cchName) == 0
944	&& (pInfo->enmType == enmType1 \|\| pInfo->enmType == enmType2))
945	{
946	if (pPrev)
947	pPrev->pNext = pInfo->pNext;
948	else
949	pUVM->dbgf.s.pInfoFirst = pInfo->pNext;
950	MMR3HeapFree(pInfo);
951	rc = VINF_SUCCESS;
952	break;
953	}
954	int rc2 = RTCritSectRwLeaveExcl(&pUVM->dbgf.s.CritSect);
955	AssertRC(rc2);
956	AssertRC(rc);
957	LogFlow(("dbgfR3InfoDeregister: returns %Rrc\n", rc));
958	return rc;
959	}
960
961
962	/**
963	* Deregister a info handler owned by an internal component.
964	*
965	* @returns VBox status code.
966	* @param pVM The cross context VM structure.
967	* @param pszName The identifier of the info. If NULL all owned by the device.
968	*/
969	VMMR3_INT_DECL(int) DBGFR3InfoDeregisterInternal(PVM pVM, const char *pszName)
970	{
971	LogFlow(("DBGFR3InfoDeregisterInternal: pszName=%p:{%s}\n", pszName, pszName));
972	return dbgfR3InfoDeregister(pVM->pUVM, pszName, DBGFINFOTYPE_INT, DBGFINFOTYPE_INT_ARGV);
973	}
974
975
976	/**
977	* Deregister a info handler owned by an external component.
978	*
979	* @returns VBox status code.
980	* @param pUVM The user mode VM handle.
981	* @param pszName The identifier of the info. If NULL all owned by the device.
982	*/
983	VMMR3DECL(int) DBGFR3InfoDeregisterExternal(PUVM pUVM, const char *pszName)
984	{
985	LogFlow(("DBGFR3InfoDeregisterExternal: pszName=%p:{%s}\n", pszName, pszName));
986	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
987	return dbgfR3InfoDeregister(pUVM, pszName, DBGFINFOTYPE_EXT, DBGFINFOTYPE_EXT_ARGV);
988	}
989
990
991	/**
992	* Worker for DBGFR3InfoEx.
993	*
994	* @returns VBox status code.
995	* @param pUVM The user mode VM handle.
996	* @param idCpu Which CPU to run EMT bound handlers on. VMCPUID_ANY or
997	* a valid CPU ID.
998	* @param pszName What to dump.
999	* @param pszArgs Arguments, optional.
1000	* @param pHlp Output helper, optional.
1001	*/
1002	static DECLCALLBACK(int) dbgfR3Info(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
1003	{
1004	/*
1005	* Validate input.
1006	*/
1007	AssertPtrReturn(pszName, VERR_INVALID_POINTER);
1008	AssertPtrNullReturn(pszArgs, VERR_INVALID_POINTER);
1009	if (pHlp)
1010	{
1011	AssertPtrReturn(pHlp, VERR_INVALID_PARAMETER);
1012	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_PARAMETER);
1013	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_PARAMETER);
1014	}
1015	else
1016	pHlp = &g_dbgfR3InfoLogHlp;
1017	Assert(idCpu == NIL_VMCPUID \|\| idCpu < pUVM->cCpus); /* if not nil, we're on that EMT already. */
1018
1019	/*
1020	* Find the info handler.
1021	*/
1022	size_t cchName = strlen(pszName);
1023	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
1024	AssertRC(rc);
1025	PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst;
1026	for (; pInfo; pInfo = pInfo->pNext)
1027	if ( pInfo->cchName == cchName
1028	&& !memcmp(pInfo->szName, pszName, cchName))
1029	break;
1030	if (pInfo)
1031	{
1032	/*
1033	* Found it.
1034	*/
1035	VMCPUID idDstCpu = NIL_VMCPUID;
1036	if ((pInfo->fFlags & (DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS)) && idCpu == NIL_VMCPUID)
1037	idDstCpu = pInfo->fFlags & DBGFINFO_FLAGS_ALL_EMTS ? VMCPUID_ALL : VMCPUID_ANY;
1038
1039	rc = VINF_SUCCESS;
1040	switch (pInfo->enmType)
1041	{
1042	case DBGFINFOTYPE_DEV:
1043	if (idDstCpu != NIL_VMCPUID)
1044	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Dev.pfnHandler, 3,
1045	pInfo->u.Dev.pDevIns, pHlp, pszArgs);
1046	else
1047	pInfo->u.Dev.pfnHandler(pInfo->u.Dev.pDevIns, pHlp, pszArgs);
1048	break;
1049
1050	case DBGFINFOTYPE_DRV:
1051	if (idDstCpu != NIL_VMCPUID)
1052	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Drv.pfnHandler, 3,
1053	pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
1054	else
1055	pInfo->u.Drv.pfnHandler(pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
1056	break;
1057
1058	case DBGFINFOTYPE_INT:
1059	if (RT_VALID_PTR(pUVM->pVM))
1060	{
1061	if (idDstCpu != NIL_VMCPUID)
1062	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Int.pfnHandler, 3,
1063	pUVM->pVM, pHlp, pszArgs);
1064	else
1065	pInfo->u.Int.pfnHandler(pUVM->pVM, pHlp, pszArgs);
1066	}
1067	else
1068	rc = VERR_INVALID_VM_HANDLE;
1069	break;
1070
1071	case DBGFINFOTYPE_EXT:
1072	if (idDstCpu != NIL_VMCPUID)
1073	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Ext.pfnHandler, 3,
1074	pInfo->u.Ext.pvUser, pHlp, pszArgs);
1075	else
1076	pInfo->u.Ext.pfnHandler(pInfo->u.Ext.pvUser, pHlp, pszArgs);
1077	break;
1078
1079	case DBGFINFOTYPE_DEV_ARGV:
1080	case DBGFINFOTYPE_DRV_ARGV:
1081	case DBGFINFOTYPE_USB_ARGV:
1082	case DBGFINFOTYPE_INT_ARGV:
1083	case DBGFINFOTYPE_EXT_ARGV:
1084	{
1085	char **papszArgv;
1086	int cArgs;
1087	rc = RTGetOptArgvFromString(&papszArgv, &cArgs, pszArgs ? pszArgs : "", RTGETOPTARGV_CNV_QUOTE_BOURNE_SH, NULL);
1088	if (RT_SUCCESS(rc))
1089	{
1090	switch (pInfo->enmType)
1091	{
1092	case DBGFINFOTYPE_DEV_ARGV:
1093	if (idDstCpu != NIL_VMCPUID)
1094	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.DevArgv.pfnHandler, 4,
1095	pInfo->u.DevArgv.pDevIns, pHlp, cArgs, papszArgv);
1096	else
1097	pInfo->u.DevArgv.pfnHandler(pInfo->u.DevArgv.pDevIns, pHlp, cArgs, papszArgv);
1098	break;
1099
1100	case DBGFINFOTYPE_DRV_ARGV:
1101	if (idDstCpu != NIL_VMCPUID)
1102	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.DrvArgv.pfnHandler, 4,
1103	pInfo->u.DrvArgv.pDrvIns, pHlp, cArgs, papszArgv);
1104	else
1105	pInfo->u.DrvArgv.pfnHandler(pInfo->u.DrvArgv.pDrvIns, pHlp, cArgs, papszArgv);
1106	break;
1107
1108	case DBGFINFOTYPE_USB_ARGV:
1109	if (idDstCpu != NIL_VMCPUID)
1110	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.UsbArgv.pfnHandler, 4,
1111	pInfo->u.UsbArgv.pUsbIns, pHlp, cArgs, papszArgv);
1112	else
1113	pInfo->u.UsbArgv.pfnHandler(pInfo->u.UsbArgv.pUsbIns, pHlp, cArgs, papszArgv);
1114	break;
1115
1116	case DBGFINFOTYPE_INT_ARGV:
1117	if (RT_VALID_PTR(pUVM->pVM))
1118	{
1119	if (idDstCpu != NIL_VMCPUID)
1120	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.IntArgv.pfnHandler, 4,
1121	pUVM->pVM, pHlp, cArgs, papszArgv);
1122	else
1123	pInfo->u.IntArgv.pfnHandler(pUVM->pVM, pHlp, cArgs, papszArgv);
1124	}
1125	else
1126	rc = VERR_INVALID_VM_HANDLE;
1127	break;
1128
1129	case DBGFINFOTYPE_EXT_ARGV:
1130	if (idDstCpu != NIL_VMCPUID)
1131	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.ExtArgv.pfnHandler, 4,
1132	pInfo->u.ExtArgv.pvUser, pHlp, cArgs, papszArgv);
1133	else
1134	pInfo->u.ExtArgv.pfnHandler(pInfo->u.ExtArgv.pvUser, pHlp, cArgs, papszArgv);
1135	break;
1136
1137	default:
1138	AssertFailedBreakStmt(rc = VERR_INTERNAL_ERROR);
1139	}
1140
1141	RTGetOptArgvFree(papszArgv);
1142	}
1143	break;
1144	}
1145
1146	default:
1147	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", pInfo->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
1148	}
1149
1150	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1151	AssertRC(rc2);
1152	}
1153	else
1154	{
1155	rc = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1156	AssertRC(rc);
1157	rc = VERR_FILE_NOT_FOUND;
1158	}
1159	return rc;
1160	}
1161
1162
1163	/**
1164	* Display a piece of info writing to the supplied handler.
1165	*
1166	* @returns VBox status code.
1167	* @param pUVM The user mode VM handle.
1168	* @param pszName The identifier of the info to display.
1169	* @param pszArgs Arguments to the info handler.
1170	* @param pHlp The output helper functions. If NULL the logger will be used.
1171	*/
1172	VMMR3DECL(int) DBGFR3Info(PUVM pUVM, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
1173	{
1174	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, pHlp);
1175	}
1176
1177
1178	/**
1179	* Display a piece of info writing to the supplied handler.
1180	*
1181	* @returns VBox status code.
1182	* @param pUVM The user mode VM handle.
1183	* @param idCpu The CPU to exectue the request on. Pass NIL_VMCPUID
1184	* to not involve any EMT unless necessary.
1185	* @param pszName The identifier of the info to display.
1186	* @param pszArgs Arguments to the info handler.
1187	* @param pHlp The output helper functions. If NULL the logger will be used.
1188	*/
1189	VMMR3DECL(int) DBGFR3InfoEx(PUVM pUVM, VMCPUID idCpu, const char pszName, const char pszArgs, PCDBGFINFOHLP pHlp)
1190	{
1191	/*
1192	* Some input validation.
1193	*/
1194	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1195	AssertReturn( idCpu != VMCPUID_ANY_QUEUE
1196	&& idCpu != VMCPUID_ALL
1197	&& idCpu != VMCPUID_ALL_REVERSE, VERR_INVALID_PARAMETER);
1198
1199	/*
1200	* Run on any specific EMT?
1201	*/
1202	if (idCpu == NIL_VMCPUID)
1203	return dbgfR3Info(pUVM, NIL_VMCPUID, pszName, pszArgs, pHlp);
1204	return VMR3ReqPriorityCallWaitU(pUVM, idCpu,
1205	(PFNRT)dbgfR3Info, 5, pUVM, idCpu, pszName, pszArgs, pHlp);
1206	}
1207
1208
1209	/**
1210	* Wrapper for DBGFR3Info that outputs to the release log.
1211	*
1212	* @returns See DBGFR3Info.
1213	* @param pUVM The user mode VM handle.
1214	* @param pszName See DBGFR3Info.
1215	* @param pszArgs See DBGFR3Info.
1216	*/
1217	VMMR3DECL(int) DBGFR3InfoLogRel(PUVM pUVM, const char pszName, const char pszArgs)
1218	{
1219	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, &g_dbgfR3InfoLogRelHlp);
1220	}
1221
1222
1223	/**
1224	* Wrapper for DBGFR3Info that outputs to standard error.
1225	*
1226	* @returns See DBGFR3Info.
1227	* @param pUVM The user mode VM handle.
1228	* @param pszName See DBGFR3Info.
1229	* @param pszArgs See DBGFR3Info.
1230	*/
1231	VMMR3DECL(int) DBGFR3InfoStdErr(PUVM pUVM, const char pszName, const char pszArgs)
1232	{
1233	return DBGFR3InfoEx(pUVM, NIL_VMCPUID, pszName, pszArgs, &g_dbgfR3InfoStdErrHlp);
1234	}
1235
1236
1237	/**
1238	* Display several info items.
1239	*
1240	* This is intended used by the fatal error dump only.
1241	*
1242	* @returns VBox status code.
1243	* @param pVM The cross context VM structure.
1244	* @param pszIncludePat Simple string pattern of info items to include.
1245	* @param pszExcludePat Simple string pattern of info items to exclude.
1246	* @param pszSepFmt Item separator format string. The item name will be
1247	* given as parameter.
1248	* @param pHlp The output helper functions. If NULL the logger
1249	* will be used.
1250	*
1251	* @thread EMT
1252	*/
1253	VMMR3_INT_DECL(int) DBGFR3InfoMulti(PVM pVM, const char pszIncludePat, const char pszExcludePat, const char *pszSepFmt,
1254	PCDBGFINFOHLP pHlp)
1255	{
1256	/*
1257	* Validate input.
1258	*/
1259	PUVM pUVM = pVM->pUVM;
1260	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
1261	AssertPtrReturn(pszIncludePat, VERR_INVALID_POINTER);
1262	AssertPtrReturn(pszExcludePat, VERR_INVALID_POINTER);
1263	if (pHlp)
1264	{
1265	AssertPtrReturn(pHlp->pfnPrintf, VERR_INVALID_POINTER);
1266	AssertPtrReturn(pHlp->pfnPrintfV, VERR_INVALID_POINTER);
1267	}
1268	else
1269	pHlp = &g_dbgfR3InfoLogHlp;
1270
1271	size_t const cchIncludePat = strlen(pszIncludePat);
1272	size_t const cchExcludePat = strlen(pszExcludePat);
1273	const char *pszArgs = "";
1274
1275	/*
1276	* Enumerate the info handlers and call the ones matching.
1277	* Note! We won't leave the critical section here...
1278	*/
1279	char *apszArgs[2] = { NULL, NULL };
1280	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
1281	AssertRC(rc);
1282	rc = VWRN_NOT_FOUND;
1283	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1284	{
1285	if ( RTStrSimplePatternMultiMatch(pszIncludePat, cchIncludePat, pInfo->szName, pInfo->cchName, NULL)
1286	&& !RTStrSimplePatternMultiMatch(pszExcludePat, cchExcludePat, pInfo->szName, pInfo->cchName, NULL))
1287	{
1288	pHlp->pfnPrintf(pHlp, pszSepFmt, pInfo->szName);
1289
1290	VMCPUID idDstCpu = NIL_VMCPUID;
1291	if (pInfo->fFlags & (DBGFINFO_FLAGS_RUN_ON_EMT \| DBGFINFO_FLAGS_ALL_EMTS))
1292	idDstCpu = pInfo->fFlags & DBGFINFO_FLAGS_ALL_EMTS ? VMCPUID_ALL : VMCPUID_ANY;
1293
1294	rc = VINF_SUCCESS;
1295	switch (pInfo->enmType)
1296	{
1297	case DBGFINFOTYPE_DEV:
1298	if (idDstCpu != NIL_VMCPUID)
1299	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Dev.pfnHandler, 3,
1300	pInfo->u.Dev.pDevIns, pHlp, pszArgs);
1301	else
1302	pInfo->u.Dev.pfnHandler(pInfo->u.Dev.pDevIns, pHlp, pszArgs);
1303	break;
1304
1305	case DBGFINFOTYPE_DRV:
1306	if (idDstCpu != NIL_VMCPUID)
1307	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Drv.pfnHandler, 3,
1308	pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
1309	else
1310	pInfo->u.Drv.pfnHandler(pInfo->u.Drv.pDrvIns, pHlp, pszArgs);
1311	break;
1312
1313	case DBGFINFOTYPE_INT:
1314	if (idDstCpu != NIL_VMCPUID)
1315	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Int.pfnHandler, 3,
1316	pVM, pHlp, pszArgs);
1317	else
1318	pInfo->u.Int.pfnHandler(pVM, pHlp, pszArgs);
1319	break;
1320
1321	case DBGFINFOTYPE_EXT:
1322	if (idDstCpu != NIL_VMCPUID)
1323	rc = VMR3ReqPriorityCallVoidWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.Ext.pfnHandler, 3,
1324	pInfo->u.Ext.pvUser, pHlp, pszArgs);
1325	else
1326	pInfo->u.Ext.pfnHandler(pInfo->u.Ext.pvUser, pHlp, pszArgs);
1327	break;
1328
1329	case DBGFINFOTYPE_DEV_ARGV:
1330	if (idDstCpu != NIL_VMCPUID)
1331	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.DevArgv.pfnHandler, 4,
1332	pInfo->u.DevArgv.pDevIns, pHlp, 0, &apszArgs[0]);
1333	else
1334	pInfo->u.DevArgv.pfnHandler(pInfo->u.DevArgv.pDevIns, pHlp, 0, &apszArgs[0]);
1335	break;
1336
1337	case DBGFINFOTYPE_DRV_ARGV:
1338	if (idDstCpu != NIL_VMCPUID)
1339	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.DrvArgv.pfnHandler, 4,
1340	pInfo->u.DrvArgv.pDrvIns, pHlp, 0, &apszArgs[0]);
1341	else
1342	pInfo->u.DrvArgv.pfnHandler(pInfo->u.DrvArgv.pDrvIns, pHlp, 0, &apszArgs[0]);
1343	break;
1344
1345	case DBGFINFOTYPE_USB_ARGV:
1346	if (idDstCpu != NIL_VMCPUID)
1347	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.UsbArgv.pfnHandler, 4,
1348	pInfo->u.UsbArgv.pUsbIns, pHlp, 0, &apszArgs[0]);
1349	else
1350	pInfo->u.UsbArgv.pfnHandler(pInfo->u.UsbArgv.pUsbIns, pHlp, 0, &apszArgs[0]);
1351	break;
1352
1353	case DBGFINFOTYPE_INT_ARGV:
1354	if (RT_VALID_PTR(pUVM->pVM))
1355	{
1356	if (idDstCpu != NIL_VMCPUID)
1357	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.IntArgv.pfnHandler, 4,
1358	pUVM->pVM, pHlp, 0, &apszArgs[0]);
1359	else
1360	pInfo->u.IntArgv.pfnHandler(pUVM->pVM, pHlp, 0, &apszArgs[0]);
1361	}
1362	else
1363	rc = VERR_INVALID_VM_HANDLE;
1364	break;
1365
1366	case DBGFINFOTYPE_EXT_ARGV:
1367	if (idDstCpu != NIL_VMCPUID)
1368	rc = VMR3ReqPriorityCallWaitU(pUVM, idDstCpu, (PFNRT)pInfo->u.ExtArgv.pfnHandler, 4,
1369	pInfo->u.ExtArgv.pvUser, pHlp, 0, &apszArgs[0]);
1370	else
1371	pInfo->u.ExtArgv.pfnHandler(pInfo->u.ExtArgv.pvUser, pHlp, 0, &apszArgs[0]);
1372	break;
1373
1374	default:
1375	AssertMsgFailedReturn(("Invalid info type enmType=%d\n", pInfo->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
1376	}
1377	}
1378	}
1379	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1380	AssertRC(rc2);
1381
1382	return rc;
1383	}
1384
1385
1386	/**
1387	* Enumerate all the register info handlers.
1388	*
1389	* @returns VBox status code.
1390	* @param pUVM The user mode VM handle.
1391	* @param pfnCallback Pointer to callback function.
1392	* @param pvUser User argument to pass to the callback.
1393	*/
1394	VMMR3DECL(int) DBGFR3InfoEnum(PUVM pUVM, PFNDBGFINFOENUM pfnCallback, void *pvUser)
1395	{
1396	LogFlow(("DBGFR3InfoLog: pfnCallback=%p pvUser=%p\n", pfnCallback, pvUser));
1397
1398	/*
1399	* Validate input.
1400	*/
1401	if (!pfnCallback)
1402	{
1403	AssertMsgFailed(("!pfnCallback\n"));
1404	return VERR_INVALID_PARAMETER;
1405	}
1406	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1407
1408	/*
1409	* Enter and enumerate.
1410	*/
1411	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
1412	AssertRC(rc);
1413
1414	rc = VINF_SUCCESS;
1415	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; RT_SUCCESS(rc) && pInfo; pInfo = pInfo->pNext)
1416	rc = pfnCallback(pUVM, pInfo->szName, pInfo->pszDesc, pvUser);
1417
1418	/*
1419	* Leave and exit.
1420	*/
1421	int rc2 = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1422	AssertRC(rc2);
1423
1424	LogFlow(("DBGFR3InfoLog: returns %Rrc\n", rc));
1425	return rc;
1426	}
1427
1428
1429	/**
1430	* Info handler, internal version.
1431	*
1432	* @param pVM The cross context VM structure.
1433	* @param pHlp Callback functions for doing output.
1434	* @param pszArgs Argument string. Optional and specific to the handler.
1435	*/
1436	static DECLCALLBACK(void) dbgfR3InfoHelp(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1437	{
1438	LogFlow(("dbgfR3InfoHelp: pszArgs=%s\n", pszArgs));
1439
1440	/*
1441	* Enter and enumerate.
1442	*/
1443	PUVM pUVM = pVM->pUVM;
1444	int rc = RTCritSectRwEnterShared(&pUVM->dbgf.s.CritSect);
1445	AssertRC(rc);
1446
1447	if (pszArgs && *pszArgs)
1448	{
1449	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1450	{
1451	const char *psz = strstr(pszArgs, pInfo->szName);
1452	if ( psz
1453	&& ( psz == pszArgs
1454	\|\| RT_C_IS_SPACE(psz[-1]))
1455	&& ( !psz[pInfo->cchName]
1456	\|\| RT_C_IS_SPACE(psz[pInfo->cchName])))
1457	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
1458	pInfo->szName, pInfo->pszDesc);
1459	}
1460	}
1461	else
1462	{
1463	for (PDBGFINFO pInfo = pUVM->dbgf.s.pInfoFirst; pInfo; pInfo = pInfo->pNext)
1464	pHlp->pfnPrintf(pHlp, "%-16s %s\n",
1465	pInfo->szName, pInfo->pszDesc);
1466	}
1467
1468	/*
1469	* Leave and exit.
1470	*/
1471	rc = RTCritSectRwLeaveShared(&pUVM->dbgf.s.CritSect);
1472	AssertRC(rc);
1473	}
1474

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source: vbox/trunk/src/VBox/VMM/VMMR3/DBGFInfo.cpp@ 97178

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