VMMGuruMeditation.cpp@ 45457

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1	/* $Id: VMMGuruMeditation.cpp 44528 2013-02-04 14:27:54Z vboxsync $ */
2	/** @file
3	* VMM - The Virtual Machine Monitor, Guru Meditation Code.
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	* Header Files *
20	*******************************************************************************/
21	#define LOG_GROUP LOG_GROUP_VMM
22	#include <VBox/vmm/vmm.h>
23	#include <VBox/vmm/pdmapi.h>
24	#include <VBox/vmm/pdmcritsect.h>
25	#include <VBox/vmm/trpm.h>
26	#include <VBox/vmm/dbgf.h>
27	#include "VMMInternal.h"
28	#include <VBox/vmm/vm.h>
29	#include <VBox/vmm/mm.h>
30	#include <VBox/vmm/iom.h>
31	#include <VBox/vmm/em.h>
32
33	#include <VBox/err.h>
34	#include <VBox/param.h>
35	#include <VBox/version.h>
36	#include <VBox/vmm/hm.h>
37	#include <iprt/assert.h>
38	#include <iprt/time.h>
39	#include <iprt/stream.h>
40	#include <iprt/string.h>
41	#include <iprt/stdarg.h>
42
43
44	/*******************************************************************************
45	* Structures and Typedefs *
46	*******************************************************************************/
47	/**
48	* Structure to pass to DBGFR3Info() and for doing all other
49	* output during fatal dump.
50	*/
51	typedef struct VMMR3FATALDUMPINFOHLP
52	{
53	/** The helper core. */
54	DBGFINFOHLP Core;
55	/** The release logger instance. */
56	PRTLOGGER pRelLogger;
57	/** The saved release logger flags. */
58	uint32_t fRelLoggerFlags;
59	/** The logger instance. */
60	PRTLOGGER pLogger;
61	/** The saved logger flags. */
62	uint32_t fLoggerFlags;
63	/** The saved logger destination flags. */
64	uint32_t fLoggerDestFlags;
65	/** Whether to output to stderr or not. */
66	bool fStdErr;
67	/** Whether we're still recording the summary or not. */
68	bool fRecSummary;
69	/** Buffer for the summary. */
70	char szSummary[4096-2];
71	/** The current summary offset. */
72	size_t offSummary;
73	} VMMR3FATALDUMPINFOHLP, *PVMMR3FATALDUMPINFOHLP;
74	/** Pointer to a VMMR3FATALDUMPINFOHLP structure. */
75	typedef const VMMR3FATALDUMPINFOHLP *PCVMMR3FATALDUMPINFOHLP;
76
77
78	/**
79	* Print formatted string.
80	*
81	* @param pHlp Pointer to this structure.
82	* @param pszFormat The format string.
83	* @param ... Arguments.
84	*/
85	static DECLCALLBACK(void) vmmR3FatalDumpInfoHlp_pfnPrintf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
86	{
87	va_list args;
88	va_start(args, pszFormat);
89	pHlp->pfnPrintfV(pHlp, pszFormat, args);
90	va_end(args);
91	}
92
93
94	/**
95	* Print formatted string.
96	*
97	* @param pHlp Pointer to this structure.
98	* @param pszFormat The format string.
99	* @param args Argument list.
100	*/
101	static DECLCALLBACK(void) vmmR3FatalDumpInfoHlp_pfnPrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
102	{
103	PVMMR3FATALDUMPINFOHLP pMyHlp = (PVMMR3FATALDUMPINFOHLP)pHlp;
104
105	if (pMyHlp->pRelLogger)
106	{
107	va_list args2;
108	va_copy(args2, args);
109	RTLogLoggerV(pMyHlp->pRelLogger, pszFormat, args2);
110	va_end(args2);
111	}
112	if (pMyHlp->pLogger)
113	{
114	va_list args2;
115	va_copy(args2, args);
116	RTLogLoggerV(pMyHlp->pLogger, pszFormat, args);
117	va_end(args2);
118	}
119	if (pMyHlp->fStdErr)
120	{
121	va_list args2;
122	va_copy(args2, args);
123	RTStrmPrintfV(g_pStdErr, pszFormat, args);
124	va_end(args2);
125	}
126	if (pMyHlp->fRecSummary)
127	{
128	size_t cchLeft = sizeof(pMyHlp->szSummary) - pMyHlp->offSummary;
129	if (cchLeft > 1)
130	{
131	va_list args2;
132	va_copy(args2, args);
133	size_t cch = RTStrPrintfV(&pMyHlp->szSummary[pMyHlp->offSummary], cchLeft, pszFormat, args);
134	va_end(args2);
135	Assert(cch <= cchLeft);
136	pMyHlp->offSummary += cch;
137	}
138	}
139	}
140
141
142	/**
143	* Initializes the fatal dump output helper.
144	*
145	* @param pHlp The structure to initialize.
146	*/
147	static void vmmR3FatalDumpInfoHlpInit(PVMMR3FATALDUMPINFOHLP pHlp)
148	{
149	RT_BZERO(pHlp, sizeof(*pHlp));
150
151	pHlp->Core.pfnPrintf = vmmR3FatalDumpInfoHlp_pfnPrintf;
152	pHlp->Core.pfnPrintfV = vmmR3FatalDumpInfoHlp_pfnPrintfV;
153
154	/*
155	* The loggers.
156	*/
157	pHlp->pRelLogger = RTLogRelDefaultInstance();
158	#ifdef LOG_ENABLED
159	pHlp->pLogger = RTLogDefaultInstance();
160	#else
161	if (pHlp->pRelLogger)
162	pHlp->pLogger = RTLogGetDefaultInstance();
163	else
164	pHlp->pLogger = RTLogDefaultInstance();
165	#endif
166
167	if (pHlp->pRelLogger)
168	{
169	pHlp->fRelLoggerFlags = pHlp->pRelLogger->fFlags;
170	pHlp->pRelLogger->fFlags &= ~RTLOGFLAGS_DISABLED;
171	pHlp->pRelLogger->fFlags \|= RTLOGFLAGS_BUFFERED;
172	}
173
174	if (pHlp->pLogger)
175	{
176	pHlp->fLoggerFlags = pHlp->pLogger->fFlags;
177	pHlp->fLoggerDestFlags = pHlp->pLogger->fDestFlags;
178	pHlp->pLogger->fFlags &= ~RTLOGFLAGS_DISABLED;
179	pHlp->pLogger->fFlags \|= RTLOGFLAGS_BUFFERED;
180	#ifndef DEBUG_sandervl
181	pHlp->pLogger->fDestFlags \|= RTLOGDEST_DEBUGGER;
182	#endif
183	}
184
185	/*
186	* Check if we need write to stderr.
187	*/
188	pHlp->fStdErr = (!pHlp->pRelLogger \|\| !(pHlp->pRelLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)))
189	&& (!pHlp->pLogger \|\| !(pHlp->pLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)));
190	#ifdef DEBUG_sandervl
191	pHlp->fStdErr = false; /* takes too long to display here */
192	#endif
193
194	/*
195	* Init the summary recording.
196	*/
197	pHlp->fRecSummary = true;
198	pHlp->offSummary = 0;
199	pHlp->szSummary[0] = '\0';
200	}
201
202
203	/**
204	* Deletes the fatal dump output helper.
205	*
206	* @param pHlp The structure to delete.
207	*/
208	static void vmmR3FatalDumpInfoHlpDelete(PVMMR3FATALDUMPINFOHLP pHlp)
209	{
210	if (pHlp->pRelLogger)
211	{
212	RTLogFlush(pHlp->pRelLogger);
213	pHlp->pRelLogger->fFlags = pHlp->fRelLoggerFlags;
214	}
215
216	if (pHlp->pLogger)
217	{
218	RTLogFlush(pHlp->pLogger);
219	pHlp->pLogger->fFlags = pHlp->fLoggerFlags;
220	pHlp->pLogger->fDestFlags = pHlp->fLoggerDestFlags;
221	}
222	}
223
224
225	/**
226	* Dumps the VM state on a fatal error.
227	*
228	* @param pVM Pointer to the VM.
229	* @param pVCpu Pointer to the VMCPU.
230	* @param rcErr VBox status code.
231	*/
232	VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr)
233	{
234	/*
235	* Create our output helper and sync it with the log settings.
236	* This helper will be used for all the output.
237	*/
238	VMMR3FATALDUMPINFOHLP Hlp;
239	PCDBGFINFOHLP pHlp = &Hlp.Core;
240	vmmR3FatalDumpInfoHlpInit(&Hlp);
241
242	/* Release owned locks to make sure other VCPUs can continue in case they were waiting for one. */
243	PDMR3CritSectLeaveAll(pVM);
244
245	/*
246	* Header.
247	*/
248	pHlp->pfnPrintf(pHlp,
249	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
250	"!!\n"
251	"!! Guru Meditation %d (%Rrc)\n"
252	"!!\n",
253	rcErr, rcErr);
254
255	/*
256	* Continue according to context.
257	*/
258	bool fDoneHyper = false;
259	switch (rcErr)
260	{
261	/*
262	* Hypervisor errors.
263	*/
264	case VERR_VMM_RING0_ASSERTION:
265	case VINF_EM_DBG_HYPER_ASSERTION:
266	case VERR_VMM_RING3_CALL_DISABLED:
267	{
268	const char *pszMsg1 = VMMR3GetRZAssertMsg1(pVM);
269	while (pszMsg1 && *pszMsg1 == '\n')
270	pszMsg1++;
271	const char *pszMsg2 = VMMR3GetRZAssertMsg2(pVM);
272	while (pszMsg2 && *pszMsg2 == '\n')
273	pszMsg2++;
274	pHlp->pfnPrintf(pHlp,
275	"%s"
276	"%s",
277	pszMsg1,
278	pszMsg2);
279	if ( !pszMsg2
280	\|\| !*pszMsg2
281	\|\| strchr(pszMsg2, '\0')[-1] != '\n')
282	pHlp->pfnPrintf(pHlp, "\n");
283	/* fall thru */
284	}
285	case VERR_TRPM_DONT_PANIC:
286	case VERR_TRPM_PANIC:
287	case VINF_EM_RAW_STALE_SELECTOR:
288	case VINF_EM_RAW_IRET_TRAP:
289	case VINF_EM_DBG_HYPER_BREAKPOINT:
290	case VINF_EM_DBG_HYPER_STEPPED:
291	case VERR_VMM_HYPER_CR3_MISMATCH:
292	{
293	/*
294	* Active trap? This is only of partial interest when in hardware
295	* assisted virtualization mode, thus the different messages.
296	*/
297	uint32_t uEIP = CPUMGetHyperEIP(pVCpu);
298	TRPMEVENT enmType;
299	uint8_t u8TrapNo = 0xce;
300	RTGCUINT uErrorCode = 0xdeadface;
301	RTGCUINTPTR uCR2 = 0xdeadface;
302	int rc2 = TRPMQueryTrapAll(pVCpu, &u8TrapNo, &enmType, &uErrorCode, &uCR2);
303	if (!HMIsEnabled(pVM))
304	{
305	if (RT_SUCCESS(rc2))
306	pHlp->pfnPrintf(pHlp,
307	"!! TRAP=%02x ERRCD=%RGv CR2=%RGv EIP=%RX32 Type=%d\n",
308	u8TrapNo, uErrorCode, uCR2, uEIP, enmType);
309	else
310	pHlp->pfnPrintf(pHlp,
311	"!! EIP=%RX32 NOTRAP\n",
312	uEIP);
313	}
314	else if (RT_SUCCESS(rc2))
315	pHlp->pfnPrintf(pHlp,
316	"!! ACTIVE TRAP=%02x ERRCD=%RGv CR2=%RGv PC=%RGr Type=%d (Guest!)\n",
317	u8TrapNo, uErrorCode, uCR2, CPUMGetGuestRIP(pVCpu), enmType);
318
319	/*
320	* Dump the relevant hypervisor registers and stack.
321	*/
322	if (HMIsEnabled(pVM))
323	{
324	if ( rcErr == VERR_VMM_RING0_ASSERTION /* fInRing3Call has already been cleared here. */
325	\|\| pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call)
326	{
327	/* Dump the jmpbuf. */
328	pHlp->pfnPrintf(pHlp,
329	"!!\n"
330	"!! CallRing3JmpBuf:\n"
331	"!!\n");
332	pHlp->pfnPrintf(pHlp,
333	"SavedEsp=%RHv SavedEbp=%RHv SpResume=%RHv SpCheck=%RHv\n",
334	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp,
335	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp,
336	pVCpu->vmm.s.CallRing3JmpBufR0.SpResume,
337	pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck);
338	pHlp->pfnPrintf(pHlp,
339	"pvSavedStack=%RHv cbSavedStack=%#x fInRing3Call=%RTbool\n",
340	pVCpu->vmm.s.CallRing3JmpBufR0.pvSavedStack,
341	pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack,
342	pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call);
343	pHlp->pfnPrintf(pHlp,
344	"cbUsedMax=%#x cbUsedAvg=%#x cbUsedTotal=%#llx cUsedTotal=%#llx\n",
345	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedMax,
346	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedAvg,
347	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedTotal,
348	pVCpu->vmm.s.CallRing3JmpBufR0.cUsedTotal);
349
350	/* Dump the resume register frame on the stack. */
351	PRTHCUINTPTR pBP;
352	#ifdef VMM_R0_SWITCH_STACK
353	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp
354	- MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3)];
355	#else
356	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack
357	- pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck
358	+ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp];
359	#endif
360	#if HC_ARCH_BITS == 32
361	pHlp->pfnPrintf(pHlp,
362	"eax=volatile ebx=%08x ecx=volatile edx=volatile esi=%08x edi=%08x\n"
363	"eip=%08x esp=%08x ebp=%08x efl=%08x\n"
364	,
365	pBP[-3], pBP[-2], pBP[-1],
366	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 8, pBP[0], pBP[-4]);
367	#else
368	# ifdef RT_OS_WINDOWS
369	pHlp->pfnPrintf(pHlp,
370	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
371	"rsi=%016RX64 rdi=%016RX64 r8=volatile r9=volatile \n"
372	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
373	"r14=%016RX64 r15=%016RX64\n"
374	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rfl=%08RX64\n"
375	,
376	pBP[-7],
377	pBP[-6], pBP[-5],
378	pBP[-4], pBP[-3],
379	pBP[-2], pBP[-1],
380	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-8]);
381	# else
382	pHlp->pfnPrintf(pHlp,
383	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
384	"rsi=volatile rdi=volatile r8=volatile r9=volatile \n"
385	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
386	"r14=%016RX64 r15=%016RX64\n"
387	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rflags=%08RX64\n"
388	,
389	pBP[-5],
390	pBP[-4], pBP[-3],
391	pBP[-2], pBP[-1],
392	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-6]);
393	# endif
394	#endif
395
396	/* Callstack. */
397	DBGFADDRESS pc;
398	pc.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
399	#if HC_ARCH_BITS == 64
400	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.rip;
401	#else
402	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.eip;
403	#endif
404	pc.Sel = DBGF_SEL_FLAT;
405
406	DBGFADDRESS ebp;
407	ebp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
408	ebp.FlatPtr = ebp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp;
409	ebp.Sel = DBGF_SEL_FLAT;
410
411	DBGFADDRESS esp;
412	esp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
413	esp.Sel = DBGF_SEL_FLAT;
414	esp.FlatPtr = esp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp;
415
416	PCDBGFSTACKFRAME pFirstFrame;
417	rc2 = DBGFR3StackWalkBeginEx(pVM->pUVM, pVCpu->idCpu, DBGFCODETYPE_RING0, &ebp, &esp, &pc,
418	DBGFRETURNTYPE_INVALID, &pFirstFrame);
419	if (RT_SUCCESS(rc2))
420	{
421	pHlp->pfnPrintf(pHlp,
422	"!!\n"
423	"!! Call Stack:\n"
424	"!!\n");
425	#if HC_ARCH_BITS == 32
426	pHlp->pfnPrintf(pHlp, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
427	#else
428	pHlp->pfnPrintf(pHlp, "RBP Ret RBP Ret RIP RIP Symbol [line]\n");
429	#endif
430	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
431	pFrame;
432	pFrame = DBGFR3StackWalkNext(pFrame))
433	{
434	#if HC_ARCH_BITS == 32
435	pHlp->pfnPrintf(pHlp,
436	"%RHv %RHv %04RX32:%RHv %RHv %RHv %RHv %RHv",
437	(RTHCUINTPTR)pFrame->AddrFrame.off,
438	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
439	(RTHCUINTPTR)pFrame->AddrReturnPC.Sel,
440	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
441	pFrame->Args.au32[0],
442	pFrame->Args.au32[1],
443	pFrame->Args.au32[2],
444	pFrame->Args.au32[3]);
445	pHlp->pfnPrintf(pHlp, " %RTsel:%08RHv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
446	#else
447	pHlp->pfnPrintf(pHlp,
448	"%RHv %RHv %RHv %RHv",
449	(RTHCUINTPTR)pFrame->AddrFrame.off,
450	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
451	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
452	(RTHCUINTPTR)pFrame->AddrPC.off);
453	#endif
454	if (pFrame->pSymPC)
455	{
456	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
457	if (offDisp > 0)
458	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
459	else if (offDisp < 0)
460	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
461	else
462	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
463	}
464	if (pFrame->pLinePC)
465	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
466	pHlp->pfnPrintf(pHlp, "\n");
467	}
468	DBGFR3StackWalkEnd(pFirstFrame);
469	}
470
471	/* raw stack */
472	Hlp.fRecSummary = false;
473	pHlp->pfnPrintf(pHlp,
474	"!!\n"
475	"!! Raw stack (mind the direction). \n"
476	"!! pbEMTStackR0=%RHv pbEMTStackBottomR0=%RHv VMM_STACK_SIZE=%#x\n"
477	"!! pbEmtStackR3=%p\n"
478	"!!\n"
479	"%.*Rhxd\n",
480	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3),
481	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3) + VMM_STACK_SIZE,
482	VMM_STACK_SIZE,
483	pVCpu->vmm.s.pbEMTStackR3,
484	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
485	}
486	else
487	{
488	pHlp->pfnPrintf(pHlp,
489	"!! Skipping ring-0 registers and stack, rcErr=%Rrc\n", rcErr);
490	}
491	}
492	else
493	{
494	/*
495	* Try figure out where eip is.
496	*/
497	/* core code? */
498	if (uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC < pVM->vmm.s.cbCoreCode)
499	pHlp->pfnPrintf(pHlp,
500	"!! EIP is in CoreCode, offset %#x\n",
501	uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC);
502	else
503	{ /* ask PDM / /* @todo ask DBGFR3Sym later? */
504	char szModName[64];
505	RTRCPTR RCPtrMod;
506	char szNearSym1[260];
507	RTRCPTR RCPtrNearSym1;
508	char szNearSym2[260];
509	RTRCPTR RCPtrNearSym2;
510	int rc = PDMR3LdrQueryRCModFromPC(pVM, uEIP,
511	&szModName[0], sizeof(szModName), &RCPtrMod,
512	&szNearSym1[0], sizeof(szNearSym1), &RCPtrNearSym1,
513	&szNearSym2[0], sizeof(szNearSym2), &RCPtrNearSym2);
514	if (RT_SUCCESS(rc))
515	pHlp->pfnPrintf(pHlp,
516	"!! EIP in %s (%RRv) at rva %x near symbols:\n"
517	"!! %RRv rva %RRv off %08x %s\n"
518	"!! %RRv rva %RRv off -%08x %s\n",
519	szModName, RCPtrMod, (unsigned)(uEIP - RCPtrMod),
520	RCPtrNearSym1, RCPtrNearSym1 - RCPtrMod, (unsigned)(uEIP - RCPtrNearSym1), szNearSym1,
521	RCPtrNearSym2, RCPtrNearSym2 - RCPtrMod, (unsigned)(RCPtrNearSym2 - uEIP), szNearSym2);
522	else
523	pHlp->pfnPrintf(pHlp,
524	"!! EIP is not in any code known to VMM!\n");
525	}
526
527	/* Disassemble the instruction. */
528	char szInstr[256];
529	rc2 = DBGFR3DisasInstrEx(pVM->pUVM, pVCpu->idCpu, 0, 0,
530	DBGF_DISAS_FLAGS_CURRENT_HYPER \| DBGF_DISAS_FLAGS_DEFAULT_MODE,
531	&szInstr[0], sizeof(szInstr), NULL);
532	if (RT_SUCCESS(rc2))
533	pHlp->pfnPrintf(pHlp,
534	"!! %s\n", szInstr);
535
536	/* Dump the hypervisor cpu state. */
537	pHlp->pfnPrintf(pHlp,
538	"!!\n"
539	"!!\n"
540	"!!\n");
541	rc2 = DBGFR3Info(pVM->pUVM, "cpumhyper", "verbose", pHlp);
542	fDoneHyper = true;
543
544	/* Callstack. */
545	PCDBGFSTACKFRAME pFirstFrame;
546	rc2 = DBGFR3StackWalkBegin(pVM->pUVM, pVCpu->idCpu, DBGFCODETYPE_HYPER, &pFirstFrame);
547	if (RT_SUCCESS(rc2))
548	{
549	pHlp->pfnPrintf(pHlp,
550	"!!\n"
551	"!! Call Stack:\n"
552	"!!\n"
553	"EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
554	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
555	pFrame;
556	pFrame = DBGFR3StackWalkNext(pFrame))
557	{
558	pHlp->pfnPrintf(pHlp,
559	"%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
560	(uint32_t)pFrame->AddrFrame.off,
561	(uint32_t)pFrame->AddrReturnFrame.off,
562	(uint32_t)pFrame->AddrReturnPC.Sel,
563	(uint32_t)pFrame->AddrReturnPC.off,
564	pFrame->Args.au32[0],
565	pFrame->Args.au32[1],
566	pFrame->Args.au32[2],
567	pFrame->Args.au32[3]);
568	pHlp->pfnPrintf(pHlp, " %RTsel:%08RGv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
569	if (pFrame->pSymPC)
570	{
571	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
572	if (offDisp > 0)
573	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
574	else if (offDisp < 0)
575	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
576	else
577	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
578	}
579	if (pFrame->pLinePC)
580	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
581	pHlp->pfnPrintf(pHlp, "\n");
582	}
583	DBGFR3StackWalkEnd(pFirstFrame);
584	}
585
586	/* raw stack */
587	Hlp.fRecSummary = false;
588	pHlp->pfnPrintf(pHlp,
589	"!!\n"
590	"!! Raw stack (mind the direction). pbEMTStackRC=%RRv pbEMTStackBottomRC=%RRv\n"
591	"!!\n"
592	"%.*Rhxd\n",
593	pVCpu->vmm.s.pbEMTStackRC, pVCpu->vmm.s.pbEMTStackBottomRC,
594	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
595	} /* !HMIsEnabled */
596	break;
597	}
598
599	case VERR_IEM_INSTR_NOT_IMPLEMENTED:
600	case VERR_IEM_ASPECT_NOT_IMPLEMENTED:
601	{
602	DBGFR3Info(pVM->pUVM, "cpumguest", NULL, pHlp);
603	DBGFR3Info(pVM->pUVM, "cpumguestinstr", NULL, pHlp);
604	break;
605	}
606
607	default:
608	{
609	break;
610	}
611
612	} /* switch (rcErr) */
613	Hlp.fRecSummary = false;
614
615
616	/*
617	* Generic info dumper loop.
618	*/
619	static struct
620	{
621	const char *pszInfo;
622	const char *pszArgs;
623	} const aInfo[] =
624	{
625	{ "mappings", NULL },
626	{ "hma", NULL },
627	{ "cpumguest", "verbose" },
628	{ "cpumguestinstr", "verbose" },
629	{ "cpumhyper", "verbose" },
630	{ "cpumhost", "verbose" },
631	{ "mode", "all" },
632	{ "cpuid", "verbose" },
633	{ "handlers", "phys virt hyper stats" },
634	{ "timers", NULL },
635	{ "activetimers", NULL },
636	};
637	for (unsigned i = 0; i < RT_ELEMENTS(aInfo); i++)
638	{
639	if (fDoneHyper && !strcmp(aInfo[i].pszInfo, "cpumhyper"))
640	continue;
641	pHlp->pfnPrintf(pHlp,
642	"!!\n"
643	"!! {%s, %s}\n"
644	"!!\n",
645	aInfo[i].pszInfo, aInfo[i].pszArgs);
646	DBGFR3Info(pVM->pUVM, aInfo[i].pszInfo, aInfo[i].pszArgs, pHlp);
647	}
648
649	/* All other info items */
650	DBGFR3InfoMulti(pVM,
651	"*",
652	"mappings\|hma\|cpum\|cpumguest\|cpumguestinstr\|cpumhyper\|cpumhost\|mode\|cpuid"
653	"\|pgmpd\|pgmcr3\|timers\|activetimers\|handlers\|help",
654	"!!\n"
655	"!! {%s}\n"
656	"!!\n",
657	pHlp);
658
659
660	/* done */
661	pHlp->pfnPrintf(pHlp,
662	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
663
664
665	/*
666	* Repeat the summary to stderr so we don't have to scroll half a mile up.
667	*/
668	if (Hlp.szSummary[0])
669	RTStrmPrintf(g_pStdErr,
670	"%s"
671	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n",
672	Hlp.szSummary);
673
674	/*
675	* Delete the output instance (flushing and restoring of flags).
676	*/
677	vmmR3FatalDumpInfoHlpDelete(&Hlp);
678	}
679

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source: vbox/trunk/src/VBox/VMM/VMMR3/VMMGuruMeditation.cpp@ 45457

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