VMMGuruMeditation.cpp@ 62478

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(C) 2016
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1	/* $Id: VMMGuruMeditation.cpp 62478 2016-07-22 18:29:06Z vboxsync $ */
2	/** @file
3	* VMM - The Virtual Machine Monitor, Guru Meditation Code.
4	*/
5
6	/*
7	* Copyright (C) 2006-2016 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_VMM
23	#include <VBox/vmm/vmm.h>
24	#include <VBox/vmm/pdmapi.h>
25	#include <VBox/vmm/pdmcritsect.h>
26	#include <VBox/vmm/trpm.h>
27	#include <VBox/vmm/dbgf.h>
28	#include "VMMInternal.h"
29	#include <VBox/vmm/vm.h>
30	#include <VBox/vmm/mm.h>
31	#include <VBox/vmm/iom.h>
32	#include <VBox/vmm/em.h>
33
34	#include <VBox/err.h>
35	#include <VBox/param.h>
36	#include <VBox/version.h>
37	#include <VBox/vmm/hm.h>
38	#include <iprt/assert.h>
39	#include <iprt/time.h>
40	#include <iprt/stream.h>
41	#include <iprt/string.h>
42	#include <iprt/stdarg.h>
43
44
45	/*********************************************************************************************************************************
46	* Structures and Typedefs *
47	*********************************************************************************************************************************/
48	/**
49	* Structure to pass to DBGFR3Info() and for doing all other
50	* output during fatal dump.
51	*/
52	typedef struct VMMR3FATALDUMPINFOHLP
53	{
54	/** The helper core. */
55	DBGFINFOHLP Core;
56	/** The release logger instance. */
57	PRTLOGGER pRelLogger;
58	/** The saved release logger flags. */
59	uint32_t fRelLoggerFlags;
60	/** The logger instance. */
61	PRTLOGGER pLogger;
62	/** The saved logger flags. */
63	uint32_t fLoggerFlags;
64	/** The saved logger destination flags. */
65	uint32_t fLoggerDestFlags;
66	/** Whether to output to stderr or not. */
67	bool fStdErr;
68	/** Whether we're still recording the summary or not. */
69	bool fRecSummary;
70	/** Buffer for the summary. */
71	char szSummary[4096-2];
72	/** The current summary offset. */
73	size_t offSummary;
74	} VMMR3FATALDUMPINFOHLP, *PVMMR3FATALDUMPINFOHLP;
75	/** Pointer to a VMMR3FATALDUMPINFOHLP structure. */
76	typedef const VMMR3FATALDUMPINFOHLP *PCVMMR3FATALDUMPINFOHLP;
77
78
79	/**
80	* Print formatted string.
81	*
82	* @param pHlp Pointer to this structure.
83	* @param pszFormat The format string.
84	* @param ... Arguments.
85	*/
86	static DECLCALLBACK(void) vmmR3FatalDumpInfoHlp_pfnPrintf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
87	{
88	va_list args;
89	va_start(args, pszFormat);
90	pHlp->pfnPrintfV(pHlp, pszFormat, args);
91	va_end(args);
92	}
93
94
95	/**
96	* Print formatted string.
97	*
98	* @param pHlp Pointer to this structure.
99	* @param pszFormat The format string.
100	* @param args Argument list.
101	*/
102	static DECLCALLBACK(void) vmmR3FatalDumpInfoHlp_pfnPrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
103	{
104	PVMMR3FATALDUMPINFOHLP pMyHlp = (PVMMR3FATALDUMPINFOHLP)pHlp;
105
106	if (pMyHlp->pRelLogger)
107	{
108	va_list args2;
109	va_copy(args2, args);
110	RTLogLoggerV(pMyHlp->pRelLogger, pszFormat, args2);
111	va_end(args2);
112	}
113	if (pMyHlp->pLogger)
114	{
115	va_list args2;
116	va_copy(args2, args);
117	RTLogLoggerV(pMyHlp->pLogger, pszFormat, args);
118	va_end(args2);
119	}
120	if (pMyHlp->fStdErr)
121	{
122	va_list args2;
123	va_copy(args2, args);
124	RTStrmPrintfV(g_pStdErr, pszFormat, args);
125	va_end(args2);
126	}
127	if (pMyHlp->fRecSummary)
128	{
129	size_t cchLeft = sizeof(pMyHlp->szSummary) - pMyHlp->offSummary;
130	if (cchLeft > 1)
131	{
132	va_list args2;
133	va_copy(args2, args);
134	size_t cch = RTStrPrintfV(&pMyHlp->szSummary[pMyHlp->offSummary], cchLeft, pszFormat, args);
135	va_end(args2);
136	Assert(cch <= cchLeft);
137	pMyHlp->offSummary += cch;
138	}
139	}
140	}
141
142
143	/**
144	* Initializes the fatal dump output helper.
145	*
146	* @param pHlp The structure to initialize.
147	*/
148	static void vmmR3FatalDumpInfoHlpInit(PVMMR3FATALDUMPINFOHLP pHlp)
149	{
150	RT_BZERO(pHlp, sizeof(*pHlp));
151
152	pHlp->Core.pfnPrintf = vmmR3FatalDumpInfoHlp_pfnPrintf;
153	pHlp->Core.pfnPrintfV = vmmR3FatalDumpInfoHlp_pfnPrintfV;
154
155	/*
156	* The loggers.
157	*/
158	pHlp->pRelLogger = RTLogRelGetDefaultInstance();
159	#ifdef LOG_ENABLED
160	pHlp->pLogger = RTLogDefaultInstance();
161	#else
162	if (pHlp->pRelLogger)
163	pHlp->pLogger = RTLogGetDefaultInstance();
164	else
165	pHlp->pLogger = RTLogDefaultInstance();
166	#endif
167
168	if (pHlp->pRelLogger)
169	{
170	pHlp->fRelLoggerFlags = pHlp->pRelLogger->fFlags;
171	pHlp->pRelLogger->fFlags &= ~RTLOGFLAGS_DISABLED;
172	pHlp->pRelLogger->fFlags \|= RTLOGFLAGS_BUFFERED;
173	}
174
175	if (pHlp->pLogger)
176	{
177	pHlp->fLoggerFlags = pHlp->pLogger->fFlags;
178	pHlp->fLoggerDestFlags = pHlp->pLogger->fDestFlags;
179	pHlp->pLogger->fFlags &= ~RTLOGFLAGS_DISABLED;
180	pHlp->pLogger->fFlags \|= RTLOGFLAGS_BUFFERED;
181	#ifndef DEBUG_sandervl
182	pHlp->pLogger->fDestFlags \|= RTLOGDEST_DEBUGGER;
183	#endif
184	}
185
186	/*
187	* Check if we need write to stderr.
188	*/
189	pHlp->fStdErr = (!pHlp->pRelLogger \|\| !(pHlp->pRelLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)))
190	&& (!pHlp->pLogger \|\| !(pHlp->pLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)));
191	#ifdef DEBUG_sandervl
192	pHlp->fStdErr = false; /* takes too long to display here */
193	#endif
194
195	/*
196	* Init the summary recording.
197	*/
198	pHlp->fRecSummary = true;
199	pHlp->offSummary = 0;
200	pHlp->szSummary[0] = '\0';
201	}
202
203
204	/**
205	* Deletes the fatal dump output helper.
206	*
207	* @param pHlp The structure to delete.
208	*/
209	static void vmmR3FatalDumpInfoHlpDelete(PVMMR3FATALDUMPINFOHLP pHlp)
210	{
211	if (pHlp->pRelLogger)
212	{
213	RTLogFlush(pHlp->pRelLogger);
214	pHlp->pRelLogger->fFlags = pHlp->fRelLoggerFlags;
215	}
216
217	if (pHlp->pLogger)
218	{
219	RTLogFlush(pHlp->pLogger);
220	pHlp->pLogger->fFlags = pHlp->fLoggerFlags;
221	pHlp->pLogger->fDestFlags = pHlp->fLoggerDestFlags;
222	}
223	}
224
225
226	/**
227	* Dumps the VM state on a fatal error.
228	*
229	* @param pVM The cross context VM structure.
230	* @param pVCpu The cross context virtual CPU structure.
231	* @param rcErr VBox status code.
232	*/
233	VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr)
234	{
235	/*
236	* Create our output helper and sync it with the log settings.
237	* This helper will be used for all the output.
238	*/
239	VMMR3FATALDUMPINFOHLP Hlp;
240	PCDBGFINFOHLP pHlp = &Hlp.Core;
241	vmmR3FatalDumpInfoHlpInit(&Hlp);
242
243	/* Release owned locks to make sure other VCPUs can continue in case they were waiting for one. */
244	PDMR3CritSectLeaveAll(pVM);
245
246	/*
247	* Header.
248	*/
249	pHlp->pfnPrintf(pHlp,
250	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
251	"!!\n"
252	"!! Guru Meditation %d (%Rrc)\n"
253	"!!\n",
254	rcErr, rcErr);
255
256	/*
257	* Continue according to context.
258	*/
259	bool fDoneHyper = false;
260	switch (rcErr)
261	{
262	/*
263	* Hypervisor errors.
264	*/
265	case VERR_VMM_RING0_ASSERTION:
266	case VINF_EM_DBG_HYPER_ASSERTION:
267	case VERR_VMM_RING3_CALL_DISABLED:
268	{
269	const char *pszMsg1 = VMMR3GetRZAssertMsg1(pVM);
270	while (pszMsg1 && *pszMsg1 == '\n')
271	pszMsg1++;
272	const char *pszMsg2 = VMMR3GetRZAssertMsg2(pVM);
273	while (pszMsg2 && *pszMsg2 == '\n')
274	pszMsg2++;
275	pHlp->pfnPrintf(pHlp,
276	"%s"
277	"%s",
278	pszMsg1,
279	pszMsg2);
280	if ( !pszMsg2
281	\|\| !*pszMsg2
282	\|\| strchr(pszMsg2, '\0')[-1] != '\n')
283	pHlp->pfnPrintf(pHlp, "\n");
284	/* fall thru */
285	}
286	case VERR_TRPM_DONT_PANIC:
287	case VERR_TRPM_PANIC:
288	case VINF_EM_RAW_STALE_SELECTOR:
289	case VINF_EM_RAW_IRET_TRAP:
290	case VINF_EM_DBG_HYPER_BREAKPOINT:
291	case VINF_EM_DBG_HYPER_STEPPED:
292	case VINF_EM_TRIPLE_FAULT:
293	case VERR_VMM_HYPER_CR3_MISMATCH:
294	{
295	/*
296	* Active trap? This is only of partial interest when in hardware
297	* assisted virtualization mode, thus the different messages.
298	*/
299	uint32_t uEIP = CPUMGetHyperEIP(pVCpu);
300	TRPMEVENT enmType;
301	uint8_t u8TrapNo = 0xce;
302	RTGCUINT uErrorCode = 0xdeadface;
303	RTGCUINTPTR uCR2 = 0xdeadface;
304	uint8_t cbInstr = UINT8_MAX;
305	int rc2 = TRPMQueryTrapAll(pVCpu, &u8TrapNo, &enmType, &uErrorCode, &uCR2, &cbInstr);
306	if (!HMIsEnabled(pVM))
307	{
308	if (RT_SUCCESS(rc2))
309	pHlp->pfnPrintf(pHlp,
310	"!! TRAP=%02x ERRCD=%RGv CR2=%RGv EIP=%RX32 Type=%d cbInstr=%02x\n",
311	u8TrapNo, uErrorCode, uCR2, uEIP, enmType, cbInstr);
312	else
313	pHlp->pfnPrintf(pHlp,
314	"!! EIP=%RX32 NOTRAP\n",
315	uEIP);
316	}
317	else if (RT_SUCCESS(rc2))
318	pHlp->pfnPrintf(pHlp,
319	"!! ACTIVE TRAP=%02x ERRCD=%RGv CR2=%RGv PC=%RGr Type=%d cbInstr=%02x (Guest!)\n",
320	u8TrapNo, uErrorCode, uCR2, CPUMGetGuestRIP(pVCpu), enmType, cbInstr);
321
322	/*
323	* Dump the relevant hypervisor registers and stack.
324	*/
325	if (HMIsEnabled(pVM))
326	{
327	if ( rcErr == VERR_VMM_RING0_ASSERTION /* fInRing3Call has already been cleared here. */
328	\|\| pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call)
329	{
330	/* Dump the jmpbuf. */
331	pHlp->pfnPrintf(pHlp,
332	"!!\n"
333	"!! CallRing3JmpBuf:\n"
334	"!!\n");
335	pHlp->pfnPrintf(pHlp,
336	"SavedEsp=%RHv SavedEbp=%RHv SpResume=%RHv SpCheck=%RHv\n",
337	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp,
338	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp,
339	pVCpu->vmm.s.CallRing3JmpBufR0.SpResume,
340	pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck);
341	pHlp->pfnPrintf(pHlp,
342	"pvSavedStack=%RHv cbSavedStack=%#x fInRing3Call=%RTbool\n",
343	pVCpu->vmm.s.CallRing3JmpBufR0.pvSavedStack,
344	pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack,
345	pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call);
346	pHlp->pfnPrintf(pHlp,
347	"cbUsedMax=%#x cbUsedAvg=%#x cbUsedTotal=%#llx cUsedTotal=%#llx\n",
348	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedMax,
349	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedAvg,
350	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedTotal,
351	pVCpu->vmm.s.CallRing3JmpBufR0.cUsedTotal);
352
353	/* Dump the resume register frame on the stack. */
354	PRTHCUINTPTR pBP;
355	#ifdef VMM_R0_SWITCH_STACK
356	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp
357	- MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3)];
358	#else
359	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack
360	- pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck
361	+ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp];
362	#endif
363	#if HC_ARCH_BITS == 32
364	pHlp->pfnPrintf(pHlp,
365	"eax=volatile ebx=%08x ecx=volatile edx=volatile esi=%08x edi=%08x\n"
366	"eip=%08x esp=%08x ebp=%08x efl=%08x\n"
367	,
368	pBP[-3], pBP[-2], pBP[-1],
369	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 8, pBP[0], pBP[-4]);
370	#else
371	# ifdef RT_OS_WINDOWS
372	pHlp->pfnPrintf(pHlp,
373	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
374	"rsi=%016RX64 rdi=%016RX64 r8=volatile r9=volatile \n"
375	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
376	"r14=%016RX64 r15=%016RX64\n"
377	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rfl=%08RX64\n"
378	,
379	pBP[-7],
380	pBP[-6], pBP[-5],
381	pBP[-4], pBP[-3],
382	pBP[-2], pBP[-1],
383	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-8]);
384	# else
385	pHlp->pfnPrintf(pHlp,
386	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
387	"rsi=volatile rdi=volatile r8=volatile r9=volatile \n"
388	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
389	"r14=%016RX64 r15=%016RX64\n"
390	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rflags=%08RX64\n"
391	,
392	pBP[-5],
393	pBP[-4], pBP[-3],
394	pBP[-2], pBP[-1],
395	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-6]);
396	# endif
397	#endif
398
399	/* Callstack. */
400	DBGFADDRESS pc;
401	pc.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
402	#if HC_ARCH_BITS == 64
403	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.rip;
404	#else
405	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.eip;
406	#endif
407	pc.Sel = DBGF_SEL_FLAT;
408
409	DBGFADDRESS ebp;
410	ebp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
411	ebp.FlatPtr = ebp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp;
412	ebp.Sel = DBGF_SEL_FLAT;
413
414	DBGFADDRESS esp;
415	esp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
416	esp.Sel = DBGF_SEL_FLAT;
417	esp.FlatPtr = esp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp;
418
419	PCDBGFSTACKFRAME pFirstFrame;
420	rc2 = DBGFR3StackWalkBeginEx(pVM->pUVM, pVCpu->idCpu, DBGFCODETYPE_RING0, &ebp, &esp, &pc,
421	DBGFRETURNTYPE_INVALID, &pFirstFrame);
422	if (RT_SUCCESS(rc2))
423	{
424	pHlp->pfnPrintf(pHlp,
425	"!!\n"
426	"!! Call Stack:\n"
427	"!!\n");
428	#if HC_ARCH_BITS == 32
429	pHlp->pfnPrintf(pHlp, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
430	#else
431	pHlp->pfnPrintf(pHlp, "RBP Ret RBP Ret RIP RIP Symbol [line]\n");
432	#endif
433	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
434	pFrame;
435	pFrame = DBGFR3StackWalkNext(pFrame))
436	{
437	#if HC_ARCH_BITS == 32
438	pHlp->pfnPrintf(pHlp,
439	"%RHv %RHv %04RX32:%RHv %RHv %RHv %RHv %RHv",
440	(RTHCUINTPTR)pFrame->AddrFrame.off,
441	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
442	(RTHCUINTPTR)pFrame->AddrReturnPC.Sel,
443	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
444	pFrame->Args.au32[0],
445	pFrame->Args.au32[1],
446	pFrame->Args.au32[2],
447	pFrame->Args.au32[3]);
448	pHlp->pfnPrintf(pHlp, " %RTsel:%08RHv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
449	#else
450	pHlp->pfnPrintf(pHlp,
451	"%RHv %RHv %RHv %RHv",
452	(RTHCUINTPTR)pFrame->AddrFrame.off,
453	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
454	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
455	(RTHCUINTPTR)pFrame->AddrPC.off);
456	#endif
457	if (pFrame->pSymPC)
458	{
459	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
460	if (offDisp > 0)
461	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
462	else if (offDisp < 0)
463	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
464	else
465	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
466	}
467	if (pFrame->pLinePC)
468	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
469	pHlp->pfnPrintf(pHlp, "\n");
470	}
471	DBGFR3StackWalkEnd(pFirstFrame);
472	}
473
474	/* raw stack */
475	Hlp.fRecSummary = false;
476	pHlp->pfnPrintf(pHlp,
477	"!!\n"
478	"!! Raw stack (mind the direction). \n"
479	"!! pbEMTStackR0=%RHv pbEMTStackBottomR0=%RHv VMM_STACK_SIZE=%#x\n"
480	"!! pbEmtStackR3=%p\n"
481	"!!\n"
482	"%.*Rhxd\n",
483	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3),
484	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3) + VMM_STACK_SIZE,
485	VMM_STACK_SIZE,
486	pVCpu->vmm.s.pbEMTStackR3,
487	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
488	}
489	else
490	{
491	pHlp->pfnPrintf(pHlp,
492	"!! Skipping ring-0 registers and stack, rcErr=%Rrc\n", rcErr);
493	}
494	}
495	else
496	{
497	/*
498	* Try figure out where eip is.
499	*/
500	/* core code? */
501	if (uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC < pVM->vmm.s.cbCoreCode)
502	pHlp->pfnPrintf(pHlp,
503	"!! EIP is in CoreCode, offset %#x\n",
504	uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC);
505	else
506	{ /* ask PDM / /* @todo ask DBGFR3Sym later? */
507	char szModName[64];
508	RTRCPTR RCPtrMod;
509	char szNearSym1[260];
510	RTRCPTR RCPtrNearSym1;
511	char szNearSym2[260];
512	RTRCPTR RCPtrNearSym2;
513	int rc = PDMR3LdrQueryRCModFromPC(pVM, uEIP,
514	&szModName[0], sizeof(szModName), &RCPtrMod,
515	&szNearSym1[0], sizeof(szNearSym1), &RCPtrNearSym1,
516	&szNearSym2[0], sizeof(szNearSym2), &RCPtrNearSym2);
517	if (RT_SUCCESS(rc))
518	pHlp->pfnPrintf(pHlp,
519	"!! EIP in %s (%RRv) at rva %x near symbols:\n"
520	"!! %RRv rva %RRv off %08x %s\n"
521	"!! %RRv rva %RRv off -%08x %s\n",
522	szModName, RCPtrMod, (unsigned)(uEIP - RCPtrMod),
523	RCPtrNearSym1, RCPtrNearSym1 - RCPtrMod, (unsigned)(uEIP - RCPtrNearSym1), szNearSym1,
524	RCPtrNearSym2, RCPtrNearSym2 - RCPtrMod, (unsigned)(RCPtrNearSym2 - uEIP), szNearSym2);
525	else
526	pHlp->pfnPrintf(pHlp,
527	"!! EIP is not in any code known to VMM!\n");
528	}
529
530	/* Disassemble the instruction. */
531	char szInstr[256];
532	rc2 = DBGFR3DisasInstrEx(pVM->pUVM, pVCpu->idCpu, 0, 0,
533	DBGF_DISAS_FLAGS_CURRENT_HYPER \| DBGF_DISAS_FLAGS_DEFAULT_MODE,
534	&szInstr[0], sizeof(szInstr), NULL);
535	if (RT_SUCCESS(rc2))
536	pHlp->pfnPrintf(pHlp,
537	"!! %s\n", szInstr);
538
539	/* Dump the hypervisor cpu state. */
540	pHlp->pfnPrintf(pHlp,
541	"!!\n"
542	"!!\n"
543	"!!\n");
544	rc2 = DBGFR3Info(pVM->pUVM, "cpumhyper", "verbose", pHlp);
545	fDoneHyper = true;
546
547	/* Callstack. */
548	PCDBGFSTACKFRAME pFirstFrame;
549	rc2 = DBGFR3StackWalkBegin(pVM->pUVM, pVCpu->idCpu, DBGFCODETYPE_HYPER, &pFirstFrame);
550	if (RT_SUCCESS(rc2))
551	{
552	pHlp->pfnPrintf(pHlp,
553	"!!\n"
554	"!! Call Stack:\n"
555	"!!\n"
556	"EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
557	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
558	pFrame;
559	pFrame = DBGFR3StackWalkNext(pFrame))
560	{
561	pHlp->pfnPrintf(pHlp,
562	"%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
563	(uint32_t)pFrame->AddrFrame.off,
564	(uint32_t)pFrame->AddrReturnFrame.off,
565	(uint32_t)pFrame->AddrReturnPC.Sel,
566	(uint32_t)pFrame->AddrReturnPC.off,
567	pFrame->Args.au32[0],
568	pFrame->Args.au32[1],
569	pFrame->Args.au32[2],
570	pFrame->Args.au32[3]);
571	pHlp->pfnPrintf(pHlp, " %RTsel:%08RGv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
572	if (pFrame->pSymPC)
573	{
574	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
575	if (offDisp > 0)
576	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
577	else if (offDisp < 0)
578	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
579	else
580	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
581	}
582	if (pFrame->pLinePC)
583	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
584	pHlp->pfnPrintf(pHlp, "\n");
585	}
586	DBGFR3StackWalkEnd(pFirstFrame);
587	}
588
589	/* raw stack */
590	Hlp.fRecSummary = false;
591	pHlp->pfnPrintf(pHlp,
592	"!!\n"
593	"!! Raw stack (mind the direction). pbEMTStackRC=%RRv pbEMTStackBottomRC=%RRv\n"
594	"!!\n"
595	"%.*Rhxd\n",
596	pVCpu->vmm.s.pbEMTStackRC, pVCpu->vmm.s.pbEMTStackBottomRC,
597	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
598	} /* !HMIsEnabled */
599	break;
600	}
601
602	case VERR_IEM_INSTR_NOT_IMPLEMENTED:
603	case VERR_IEM_ASPECT_NOT_IMPLEMENTED:
604	case VERR_PATM_IPE_TRAP_IN_PATCH_CODE:
605	case VERR_EM_GUEST_CPU_HANG:
606	{
607	DBGFR3Info(pVM->pUVM, "cpumguest", NULL, pHlp);
608	DBGFR3Info(pVM->pUVM, "cpumguestinstr", NULL, pHlp);
609	break;
610	}
611
612	default:
613	{
614	break;
615	}
616
617	} /* switch (rcErr) */
618	Hlp.fRecSummary = false;
619
620
621	/*
622	* Generic info dumper loop.
623	*/
624	static struct
625	{
626	const char *pszInfo;
627	const char *pszArgs;
628	} const aInfo[] =
629	{
630	{ "mappings", NULL },
631	{ "hma", NULL },
632	{ "cpumguest", "verbose" },
633	{ "cpumguestinstr", "verbose" },
634	{ "cpumhyper", "verbose" },
635	{ "cpumhost", "verbose" },
636	{ "mode", "all" },
637	{ "cpuid", "verbose" },
638	{ "handlers", "phys virt hyper stats" },
639	{ "timers", NULL },
640	{ "activetimers", NULL },
641	};
642	for (unsigned i = 0; i < RT_ELEMENTS(aInfo); i++)
643	{
644	if (fDoneHyper && !strcmp(aInfo[i].pszInfo, "cpumhyper"))
645	continue;
646	pHlp->pfnPrintf(pHlp,
647	"!!\n"
648	"!! {%s, %s}\n"
649	"!!\n",
650	aInfo[i].pszInfo, aInfo[i].pszArgs);
651	DBGFR3Info(pVM->pUVM, aInfo[i].pszInfo, aInfo[i].pszArgs, pHlp);
652	}
653
654	/* All other info items */
655	DBGFR3InfoMulti(pVM,
656	"*",
657	"mappings\|hma\|cpum\|cpumguest\|cpumguestinstr\|cpumhyper\|cpumhost\|mode\|cpuid"
658	"\|pgmpd\|pgmcr3\|timers\|activetimers\|handlers\|help",
659	"!!\n"
660	"!! {%s}\n"
661	"!!\n",
662	pHlp);
663
664
665	/* done */
666	pHlp->pfnPrintf(pHlp,
667	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
668
669
670	/*
671	* Repeat the summary to stderr so we don't have to scroll half a mile up.
672	*/
673	if (Hlp.szSummary[0])
674	RTStrmPrintf(g_pStdErr,
675	"%s"
676	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n",
677	Hlp.szSummary);
678
679	/*
680	* Delete the output instance (flushing and restoring of flags).
681	*/
682	vmmR3FatalDumpInfoHlpDelete(&Hlp);
683	}
684

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source: vbox/trunk/src/VBox/VMM/VMMR3/VMMGuruMeditation.cpp@ 62478

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