VMMGuruMeditation.cpp@ 33595

Last change on this file since 33595 was 33540, checked in by vboxsync, 14 years ago
*: spelling fixes, thanks Timeless!
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 27.2 KB

Line
1	/* $Id: VMMGuruMeditation.cpp 33540 2010-10-28 09:27:05Z vboxsync $ */
2	/** @file
3	* VMM - The Virtual Machine Monitor, Guru Meditation Code.
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 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.h>
23	#include <VBox/pdmapi.h>
24	#include <VBox/pdmcritsect.h>
25	#include <VBox/trpm.h>
26	#include <VBox/dbgf.h>
27	#include "VMMInternal.h"
28	#include <VBox/vm.h>
29	#include <VBox/mm.h>
30	#include <VBox/iom.h>
31	#include <VBox/em.h>
32
33	#include <VBox/err.h>
34	#include <VBox/param.h>
35	#include <VBox/version.h>
36	#include <VBox/hwaccm.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	memset(pHlp, 0, 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	#ifndef LOG_ENABLED
159	if (!pHlp->pRelLogger)
160	#endif
161	pHlp->pLogger = RTLogDefaultInstance();
162
163	if (pHlp->pRelLogger)
164	{
165	pHlp->fRelLoggerFlags = pHlp->pRelLogger->fFlags;
166	pHlp->pRelLogger->fFlags &= ~(RTLOGFLAGS_BUFFERED \| RTLOGFLAGS_DISABLED);
167	}
168
169	if (pHlp->pLogger)
170	{
171	pHlp->fLoggerFlags = pHlp->pLogger->fFlags;
172	pHlp->fLoggerDestFlags = pHlp->pLogger->fDestFlags;
173	pHlp->pLogger->fFlags &= ~(RTLOGFLAGS_BUFFERED \| RTLOGFLAGS_DISABLED);
174	#ifndef DEBUG_sandervl
175	pHlp->pLogger->fDestFlags \|= RTLOGDEST_DEBUGGER;
176	#endif
177	}
178
179	/*
180	* Check if we need write to stderr.
181	*/
182	pHlp->fStdErr = (!pHlp->pRelLogger \|\| !(pHlp->pRelLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)))
183	&& (!pHlp->pLogger \|\| !(pHlp->pLogger->fDestFlags & (RTLOGDEST_STDOUT \| RTLOGDEST_STDERR)));
184	#ifdef DEBUG_sandervl
185	pHlp->fStdErr = false; /* takes too long to display here */
186	#endif
187
188	/*
189	* Init the summary recording.
190	*/
191	pHlp->fRecSummary = true;
192	pHlp->offSummary = 0;
193	pHlp->szSummary[0] = '\0';
194	}
195
196
197	/**
198	* Deletes the fatal dump output helper.
199	*
200	* @param pHlp The structure to delete.
201	*/
202	static void vmmR3FatalDumpInfoHlpDelete(PVMMR3FATALDUMPINFOHLP pHlp)
203	{
204	if (pHlp->pRelLogger)
205	{
206	RTLogFlush(pHlp->pRelLogger);
207	pHlp->pRelLogger->fFlags = pHlp->fRelLoggerFlags;
208	}
209
210	if (pHlp->pLogger)
211	{
212	RTLogFlush(pHlp->pLogger);
213	pHlp->pLogger->fFlags = pHlp->fLoggerFlags;
214	pHlp->pLogger->fDestFlags = pHlp->fLoggerDestFlags;
215	}
216	}
217
218
219	/**
220	* Dumps the VM state on a fatal error.
221	*
222	* @param pVM VM Handle.
223	* @param pVCpu VMCPU Handle.
224	* @param rcErr VBox status code.
225	*/
226	VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr)
227	{
228	/*
229	* Create our output helper and sync it with the log settings.
230	* This helper will be used for all the output.
231	*/
232	VMMR3FATALDUMPINFOHLP Hlp;
233	PCDBGFINFOHLP pHlp = &Hlp.Core;
234	vmmR3FatalDumpInfoHlpInit(&Hlp);
235
236	/* Release owned locks to make sure other VCPUs can continue in case they were waiting for one. */
237	PDMR3CritSectLeaveAll(pVM);
238
239	/*
240	* Header.
241	*/
242	pHlp->pfnPrintf(pHlp,
243	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
244	"!!\n"
245	"!! Guru Meditation %d (%Rrc)\n"
246	"!!\n",
247	rcErr, rcErr);
248
249	/*
250	* Continue according to context.
251	*/
252	bool fDoneHyper = false;
253	switch (rcErr)
254	{
255	/*
256	* Hypervisor errors.
257	*/
258	case VERR_VMM_RING0_ASSERTION:
259	case VINF_EM_DBG_HYPER_ASSERTION:
260	case VERR_VMM_RING3_CALL_DISABLED:
261	{
262	const char *pszMsg1 = VMMR3GetRZAssertMsg1(pVM);
263	while (pszMsg1 && *pszMsg1 == '\n')
264	pszMsg1++;
265	const char *pszMsg2 = VMMR3GetRZAssertMsg2(pVM);
266	while (pszMsg2 && *pszMsg2 == '\n')
267	pszMsg2++;
268	pHlp->pfnPrintf(pHlp,
269	"%s"
270	"%s",
271	pszMsg1,
272	pszMsg2);
273	if ( !pszMsg2
274	\|\| !*pszMsg2
275	\|\| strchr(pszMsg2, '\0')[-1] != '\n')
276	pHlp->pfnPrintf(pHlp, "\n");
277	/* fall thru */
278	}
279	case VERR_TRPM_DONT_PANIC:
280	case VERR_TRPM_PANIC:
281	case VINF_EM_RAW_STALE_SELECTOR:
282	case VINF_EM_RAW_IRET_TRAP:
283	case VINF_EM_DBG_HYPER_BREAKPOINT:
284	case VINF_EM_DBG_HYPER_STEPPED:
285	case VERR_VMM_HYPER_CR3_MISMATCH:
286	{
287	/*
288	* Active trap? This is only of partial interest when in hardware
289	* assisted virtualization mode, thus the different messages.
290	*/
291	uint32_t uEIP = CPUMGetHyperEIP(pVCpu);
292	TRPMEVENT enmType;
293	uint8_t u8TrapNo = 0xce;
294	RTGCUINT uErrorCode = 0xdeadface;
295	RTGCUINTPTR uCR2 = 0xdeadface;
296	int rc2 = TRPMQueryTrapAll(pVCpu, &u8TrapNo, &enmType, &uErrorCode, &uCR2);
297	if (!HWACCMIsEnabled(pVM))
298	{
299	if (RT_SUCCESS(rc2))
300	pHlp->pfnPrintf(pHlp,
301	"!! TRAP=%02x ERRCD=%RGv CR2=%RGv EIP=%RX32 Type=%d\n",
302	u8TrapNo, uErrorCode, uCR2, uEIP, enmType);
303	else
304	pHlp->pfnPrintf(pHlp,
305	"!! EIP=%RX32 NOTRAP\n",
306	uEIP);
307	}
308	else if (RT_SUCCESS(rc2))
309	pHlp->pfnPrintf(pHlp,
310	"!! ACTIVE TRAP=%02x ERRCD=%RGv CR2=%RGv PC=%RGr Type=%d (Guest!)\n",
311	u8TrapNo, uErrorCode, uCR2, CPUMGetGuestRIP(pVCpu), enmType);
312
313	/*
314	* Dump the relevant hypervisor registers and stack.
315	*/
316	if (HWACCMIsEnabled(pVM))
317	{
318	if ( rcErr == VERR_VMM_RING0_ASSERTION /* fInRing3Call has already been cleared here. */
319	\|\| pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call)
320	{
321	/* Dump the jmpbuf. */
322	pHlp->pfnPrintf(pHlp,
323	"!!\n"
324	"!! CallRing3JmpBuf:\n"
325	"!!\n");
326	pHlp->pfnPrintf(pHlp,
327	"SavedEsp=%RHv SavedEbp=%RHv SpResume=%RHv SpCheck=%RHv\n",
328	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp,
329	pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp,
330	pVCpu->vmm.s.CallRing3JmpBufR0.SpResume,
331	pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck);
332	pHlp->pfnPrintf(pHlp,
333	"pvSavedStack=%RHv cbSavedStack=%#x fInRing3Call=%RTbool\n",
334	pVCpu->vmm.s.CallRing3JmpBufR0.pvSavedStack,
335	pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack,
336	pVCpu->vmm.s.CallRing3JmpBufR0.fInRing3Call);
337	pHlp->pfnPrintf(pHlp,
338	"cbUsedMax=%#x cbUsedAvg=%#x cbUsedTotal=%#llx cUsedTotal=%#llx\n",
339	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedMax,
340	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedAvg,
341	pVCpu->vmm.s.CallRing3JmpBufR0.cbUsedTotal,
342	pVCpu->vmm.s.CallRing3JmpBufR0.cUsedTotal);
343
344	/* Dump the resume register frame on the stack. */
345	PRTHCUINTPTR pBP;
346	#ifdef VMM_R0_SWITCH_STACK
347	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp
348	- MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3)];
349	#else
350	pBP = (PRTHCUINTPTR)&pVCpu->vmm.s.pbEMTStackR3[ pVCpu->vmm.s.CallRing3JmpBufR0.cbSavedStack
351	- pVCpu->vmm.s.CallRing3JmpBufR0.SpCheck
352	+ pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp];
353	#endif
354	#if HC_ARCH_BITS == 32
355	pHlp->pfnPrintf(pHlp,
356	"eax=volatile ebx=%08x ecx=volatile edx=volatile esi=%08x edi=%08x\n"
357	"eip=%08x esp=%08x ebp=%08x efl=%08x\n"
358	,
359	pBP[-3], pBP[-2], pBP[-1],
360	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 8, pBP[0], pBP[-4]);
361	#else
362	# ifdef RT_OS_WINDOWS
363	pHlp->pfnPrintf(pHlp,
364	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
365	"rsi=%016RX64 rdi=%016RX64 r8=volatile r9=volatile \n"
366	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
367	"r14=%016RX64 r15=%016RX64\n"
368	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rfl=%08RX64\n"
369	,
370	pBP[-7],
371	pBP[-6], pBP[-5],
372	pBP[-4], pBP[-3],
373	pBP[-2], pBP[-1],
374	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-8]);
375	# else
376	pHlp->pfnPrintf(pHlp,
377	"rax=volatile rbx=%016RX64 rcx=volatile rdx=volatile\n"
378	"rsi=volatile rdi=volatile r8=volatile r9=volatile \n"
379	"r10=volatile r11=volatile r12=%016RX64 r13=%016RX64\n"
380	"r14=%016RX64 r15=%016RX64\n"
381	"rip=%016RX64 rsp=%016RX64 rbp=%016RX64 rflags=%08RX64\n"
382	,
383	pBP[-5],
384	pBP[-4], pBP[-3],
385	pBP[-2], pBP[-1],
386	pBP[1], pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp - 16, pBP[0], pBP[-6]);
387	# endif
388	#endif
389
390	/* Callstack. */
391	DBGFADDRESS pc;
392	pc.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
393	#if HC_ARCH_BITS == 64
394	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.rip;
395	#else
396	pc.FlatPtr = pc.off = pVCpu->vmm.s.CallRing3JmpBufR0.eip;
397	#endif
398	pc.Sel = DBGF_SEL_FLAT;
399
400	DBGFADDRESS ebp;
401	ebp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
402	ebp.FlatPtr = ebp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEbp;
403	ebp.Sel = DBGF_SEL_FLAT;
404
405	DBGFADDRESS esp;
406	esp.fFlags = DBGFADDRESS_FLAGS_RING0 \| DBGFADDRESS_FLAGS_VALID;
407	esp.Sel = DBGF_SEL_FLAT;
408	esp.FlatPtr = esp.off = pVCpu->vmm.s.CallRing3JmpBufR0.SavedEsp;
409
410	PCDBGFSTACKFRAME pFirstFrame;
411	rc2 = DBGFR3StackWalkBeginEx(pVM, pVCpu->idCpu, DBGFCODETYPE_RING0, &ebp, &esp, &pc,
412	DBGFRETURNTYPE_INVALID, &pFirstFrame);
413	if (RT_SUCCESS(rc2))
414	{
415	pHlp->pfnPrintf(pHlp,
416	"!!\n"
417	"!! Call Stack:\n"
418	"!!\n");
419	#if HC_ARCH_BITS == 32
420	pHlp->pfnPrintf(pHlp, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
421	#else
422	pHlp->pfnPrintf(pHlp, "RBP Ret RBP Ret RIP RIP Symbol [line]\n");
423	#endif
424	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
425	pFrame;
426	pFrame = DBGFR3StackWalkNext(pFrame))
427	{
428	#if HC_ARCH_BITS == 32
429	pHlp->pfnPrintf(pHlp,
430	"%RHv %RHv %04RX32:%RHv %RHv %RHv %RHv %RHv",
431	(RTHCUINTPTR)pFrame->AddrFrame.off,
432	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
433	(RTHCUINTPTR)pFrame->AddrReturnPC.Sel,
434	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
435	pFrame->Args.au32[0],
436	pFrame->Args.au32[1],
437	pFrame->Args.au32[2],
438	pFrame->Args.au32[3]);
439	pHlp->pfnPrintf(pHlp, " %RTsel:%08RHv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
440	#else
441	pHlp->pfnPrintf(pHlp,
442	"%RHv %RHv %RHv %RHv",
443	(RTHCUINTPTR)pFrame->AddrFrame.off,
444	(RTHCUINTPTR)pFrame->AddrReturnFrame.off,
445	(RTHCUINTPTR)pFrame->AddrReturnPC.off,
446	(RTHCUINTPTR)pFrame->AddrPC.off);
447	#endif
448	if (pFrame->pSymPC)
449	{
450	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
451	if (offDisp > 0)
452	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
453	else if (offDisp < 0)
454	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
455	else
456	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
457	}
458	if (pFrame->pLinePC)
459	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
460	pHlp->pfnPrintf(pHlp, "\n");
461	}
462	DBGFR3StackWalkEnd(pFirstFrame);
463	}
464
465	/* raw stack */
466	Hlp.fRecSummary = false;
467	pHlp->pfnPrintf(pHlp,
468	"!!\n"
469	"!! Raw stack (mind the direction). \n"
470	"!! pbEMTStackR0=%RHv pbEMTStackBottomR0=%RHv VMM_STACK_SIZE=%#x\n"
471	"!! pbEmtStackR3=%p\n"
472	"!!\n"
473	"%.*Rhxd\n",
474	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3),
475	MMHyperCCToR0(pVM, pVCpu->vmm.s.pbEMTStackR3) + VMM_STACK_SIZE,
476	VMM_STACK_SIZE,
477	pVCpu->vmm.s.pbEMTStackR3,
478	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
479	}
480	else
481	{
482	pHlp->pfnPrintf(pHlp,
483	"!! Skipping ring-0 registers and stack, rcErr=%Rrc\n", rcErr);
484	}
485	}
486	else
487	{
488	/*
489	* Try figure out where eip is.
490	*/
491	/* core code? */
492	if (uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC < pVM->vmm.s.cbCoreCode)
493	pHlp->pfnPrintf(pHlp,
494	"!! EIP is in CoreCode, offset %#x\n",
495	uEIP - (RTGCUINTPTR)pVM->vmm.s.pvCoreCodeRC);
496	else
497	{ /* ask PDM / /* @todo ask DBGFR3Sym later? */
498	char szModName[64];
499	RTRCPTR RCPtrMod;
500	char szNearSym1[260];
501	RTRCPTR RCPtrNearSym1;
502	char szNearSym2[260];
503	RTRCPTR RCPtrNearSym2;
504	int rc = PDMR3LdrQueryRCModFromPC(pVM, uEIP,
505	&szModName[0], sizeof(szModName), &RCPtrMod,
506	&szNearSym1[0], sizeof(szNearSym1), &RCPtrNearSym1,
507	&szNearSym2[0], sizeof(szNearSym2), &RCPtrNearSym2);
508	if (RT_SUCCESS(rc))
509	pHlp->pfnPrintf(pHlp,
510	"!! EIP in %s (%RRv) at rva %x near symbols:\n"
511	"!! %RRv rva %RRv off %08x %s\n"
512	"!! %RRv rva %RRv off -%08x %s\n",
513	szModName, RCPtrMod, (unsigned)(uEIP - RCPtrMod),
514	RCPtrNearSym1, RCPtrNearSym1 - RCPtrMod, (unsigned)(uEIP - RCPtrNearSym1), szNearSym1,
515	RCPtrNearSym2, RCPtrNearSym2 - RCPtrMod, (unsigned)(RCPtrNearSym2 - uEIP), szNearSym2);
516	else
517	pHlp->pfnPrintf(pHlp,
518	"!! EIP is not in any code known to VMM!\n");
519	}
520
521	/* Disassemble the instruction. */
522	char szInstr[256];
523	rc2 = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, 0, 0, DBGF_DISAS_FLAGS_CURRENT_HYPER \| DBGF_DISAS_FLAGS_DEFAULT_MODE,
524	&szInstr[0], sizeof(szInstr), NULL);
525	if (RT_SUCCESS(rc2))
526	pHlp->pfnPrintf(pHlp,
527	"!! %s\n", szInstr);
528
529	/* Dump the hypervisor cpu state. */
530	pHlp->pfnPrintf(pHlp,
531	"!!\n"
532	"!!\n"
533	"!!\n");
534	rc2 = DBGFR3Info(pVM, "cpumhyper", "verbose", pHlp);
535	fDoneHyper = true;
536
537	/* Callstack. */
538	PCDBGFSTACKFRAME pFirstFrame;
539	rc2 = DBGFR3StackWalkBegin(pVM, pVCpu->idCpu, DBGFCODETYPE_HYPER, &pFirstFrame);
540	if (RT_SUCCESS(rc2))
541	{
542	pHlp->pfnPrintf(pHlp,
543	"!!\n"
544	"!! Call Stack:\n"
545	"!!\n"
546	"EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP Symbol [line]\n");
547	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
548	pFrame;
549	pFrame = DBGFR3StackWalkNext(pFrame))
550	{
551	pHlp->pfnPrintf(pHlp,
552	"%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
553	(uint32_t)pFrame->AddrFrame.off,
554	(uint32_t)pFrame->AddrReturnFrame.off,
555	(uint32_t)pFrame->AddrReturnPC.Sel,
556	(uint32_t)pFrame->AddrReturnPC.off,
557	pFrame->Args.au32[0],
558	pFrame->Args.au32[1],
559	pFrame->Args.au32[2],
560	pFrame->Args.au32[3]);
561	pHlp->pfnPrintf(pHlp, " %RTsel:%08RGv", pFrame->AddrPC.Sel, pFrame->AddrPC.off);
562	if (pFrame->pSymPC)
563	{
564	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value;
565	if (offDisp > 0)
566	pHlp->pfnPrintf(pHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
567	else if (offDisp < 0)
568	pHlp->pfnPrintf(pHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
569	else
570	pHlp->pfnPrintf(pHlp, " %s", pFrame->pSymPC->szName);
571	}
572	if (pFrame->pLinePC)
573	pHlp->pfnPrintf(pHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
574	pHlp->pfnPrintf(pHlp, "\n");
575	}
576	DBGFR3StackWalkEnd(pFirstFrame);
577	}
578
579	/* raw stack */
580	Hlp.fRecSummary = false;
581	pHlp->pfnPrintf(pHlp,
582	"!!\n"
583	"!! Raw stack (mind the direction). pbEMTStackRC=%RRv pbEMTStackBottomRC=%RRv\n"
584	"!!\n"
585	"%.*Rhxd\n",
586	pVCpu->vmm.s.pbEMTStackRC, pVCpu->vmm.s.pbEMTStackBottomRC,
587	VMM_STACK_SIZE, pVCpu->vmm.s.pbEMTStackR3);
588	} /* !HWACCMIsEnabled */
589	break;
590	}
591
592	default:
593	{
594	break;
595	}
596
597	} /* switch (rcErr) */
598	Hlp.fRecSummary = false;
599
600
601	/*
602	* Generic info dumper loop.
603	*/
604	static struct
605	{
606	const char *pszInfo;
607	const char *pszArgs;
608	} const aInfo[] =
609	{
610	{ "mappings", NULL },
611	{ "hma", NULL },
612	{ "cpumguest", "verbose" },
613	{ "cpumguestinstr", "verbose" },
614	{ "cpumhyper", "verbose" },
615	{ "cpumhost", "verbose" },
616	{ "mode", "all" },
617	{ "cpuid", "verbose" },
618	{ "handlers", "phys virt hyper stats" },
619	{ "timers", NULL },
620	{ "activetimers", NULL },
621	};
622	for (unsigned i = 0; i < RT_ELEMENTS(aInfo); i++)
623	{
624	if (fDoneHyper && !strcmp(aInfo[i].pszInfo, "cpumhyper"))
625	continue;
626	pHlp->pfnPrintf(pHlp,
627	"!!\n"
628	"!! {%s, %s}\n"
629	"!!\n",
630	aInfo[i].pszInfo, aInfo[i].pszArgs);
631	DBGFR3Info(pVM, aInfo[i].pszInfo, aInfo[i].pszArgs, pHlp);
632	}
633
634	/* All other info items */
635	DBGFR3InfoMulti(pVM,
636	"*",
637	"mappings\|hma\|cpum\|cpumguest\|cpumguestinstr\|cpumhyper\|cpumhost\|mode\|cpuid"
638	"\|pgmpd\|pgmcr3\|timers\|activetimers\|handlers\|help",
639	"!!\n"
640	"!! {%s}\n"
641	"!!\n",
642	pHlp);
643
644
645	/* done */
646	pHlp->pfnPrintf(pHlp,
647	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
648
649
650	/*
651	* Repeat the summary to stderr so we don't have to scroll half a mile up.
652	*/
653	if (Hlp.szSummary[0])
654	RTStrmPrintf(g_pStdErr,
655	"%s"
656	"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n",
657	Hlp.szSummary);
658
659	/*
660	* Delete the output instance (flushing and restoring of flags).
661	*/
662	vmmR3FatalDumpInfoHlpDelete(&Hlp);
663	}
664

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/VMM/VMMGuruMeditation.cpp@ 33595

Download in other formats: