MachineDebuggerImpl.cpp@ 106061

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1	/* $Id: MachineDebuggerImpl.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* VBox IMachineDebugger COM class implementation (VBoxC).
4	*/
5
6	/*
7	* Copyright (C) 2006-2024 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_MAIN_MACHINEDEBUGGER
33	#include "LoggingNew.h"
34
35	#include "MachineDebuggerImpl.h"
36
37	#include "Global.h"
38	#include "ConsoleImpl.h"
39	#include "ProgressImpl.h"
40
41	#include "AutoCaller.h"
42
43	#include <VBox/vmm/vmmr3vtable.h>
44	#include <VBox/vmm/em.h>
45	#include <VBox/vmm/uvm.h>
46	#include <VBox/vmm/tm.h>
47	#include <VBox/vmm/hm.h>
48	#include <VBox/err.h>
49	#include <iprt/cpp/utils.h>
50
51
52	// constructor / destructor
53	/////////////////////////////////////////////////////////////////////////////
54
55	MachineDebugger::MachineDebugger()
56	: mParent(NULL)
57	{
58	}
59
60	MachineDebugger::~MachineDebugger()
61	{
62	}
63
64	HRESULT MachineDebugger::FinalConstruct()
65	{
66	unconst(mParent) = NULL;
67	return BaseFinalConstruct();
68	}
69
70	void MachineDebugger::FinalRelease()
71	{
72	uninit();
73	BaseFinalRelease();
74	}
75
76	// public initializer/uninitializer for internal purposes only
77	/////////////////////////////////////////////////////////////////////////////
78
79	/**
80	* Initializes the machine debugger object.
81	*
82	* @returns COM result indicator
83	* @param aParent handle of our parent object
84	*/
85	HRESULT MachineDebugger::init(Console *aParent)
86	{
87	LogFlowThisFunc(("aParent=%p\n", aParent));
88
89	ComAssertRet(aParent, E_INVALIDARG);
90
91	/* Enclose the state transition NotReady->InInit->Ready */
92	AutoInitSpan autoInitSpan(this);
93	AssertReturn(autoInitSpan.isOk(), E_FAIL);
94
95	unconst(mParent) = aParent;
96
97	for (unsigned i = 0; i < RT_ELEMENTS(maiQueuedEmExecPolicyParams); i++)
98	maiQueuedEmExecPolicyParams[i] = UINT8_MAX;
99	mSingleStepQueued = -1;
100	mLogEnabledQueued = -1;
101	mVirtualTimeRateQueued = UINT32_MAX;
102	mFlushMode = false;
103
104	m_hSampleReport = NULL;
105
106	/* Confirm a successful initialization */
107	autoInitSpan.setSucceeded();
108
109	return S_OK;
110	}
111
112	/**
113	* Uninitializes the instance and sets the ready flag to FALSE.
114	* Called either from FinalRelease() or by the parent when it gets destroyed.
115	*/
116	void MachineDebugger::uninit()
117	{
118	LogFlowThisFunc(("\n"));
119
120	/* Enclose the state transition Ready->InUninit->NotReady */
121	AutoUninitSpan autoUninitSpan(this);
122	if (autoUninitSpan.uninitDone())
123	return;
124
125	unconst(mParent) = NULL;
126	mFlushMode = false;
127	}
128
129	/**
130	* @callback_method_impl{FNDBGFPROGRESS}
131	*/
132	/static/ DECLCALLBACK(int) MachineDebugger::i_dbgfProgressCallback(void *pvUser, unsigned uPercentage)
133	{
134	MachineDebugger pThis = (MachineDebugger )pvUser;
135
136	int vrc = pThis->m_Progress->i_iprtProgressCallback(uPercentage, static_cast<Progress *>(pThis->m_Progress));
137	if ( RT_SUCCESS(vrc)
138	&& uPercentage == 100)
139	{
140	PCVMMR3VTABLE const pVMM = pThis->mParent->i_getVMMVTable();
141	AssertPtrReturn(pVMM, VERR_INTERNAL_ERROR_3);
142
143	vrc = pVMM->pfnDBGFR3SampleReportDumpToFile(pThis->m_hSampleReport, pThis->m_strFilename.c_str());
144	pVMM->pfnDBGFR3SampleReportRelease(pThis->m_hSampleReport);
145	pThis->m_hSampleReport = NULL;
146	if (RT_SUCCESS(vrc))
147	pThis->m_Progress->i_notifyComplete(S_OK);
148	else
149	{
150	HRESULT hrc = pThis->setError(VBOX_E_IPRT_ERROR,
151	tr("Writing the sample report to '%s' failed with %Rrc"),
152	pThis->m_strFilename.c_str(), vrc);
153	pThis->m_Progress->i_notifyComplete(hrc);
154	}
155	pThis->m_Progress.setNull();
156	}
157	else if (vrc == VERR_CANCELLED)
158	vrc = VERR_DBGF_CANCELLED;
159
160	return vrc;
161	}
162
163	// IMachineDebugger properties
164	/////////////////////////////////////////////////////////////////////////////
165
166	/**
167	* Returns the current singlestepping flag.
168	*
169	* @returns COM status code
170	* @param aSingleStep Where to store the result.
171	*/
172	HRESULT MachineDebugger::getSingleStep(BOOL *aSingleStep)
173	{
174	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
175	Console::SafeVMPtr ptrVM(mParent);
176	HRESULT hrc = ptrVM.hrc();
177	if (SUCCEEDED(hrc))
178	{
179	RT_NOREF(aSingleStep); /** @todo */
180	ReturnComNotImplemented();
181	}
182	return hrc;
183	}
184
185	/**
186	* Sets the singlestepping flag.
187	*
188	* @returns COM status code
189	* @param aSingleStep The new state.
190	*/
191	HRESULT MachineDebugger::setSingleStep(BOOL aSingleStep)
192	{
193	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
194	Console::SafeVMPtr ptrVM(mParent);
195	HRESULT hrc = ptrVM.hrc();
196	if (SUCCEEDED(hrc))
197	{
198	NOREF(aSingleStep); /** @todo */
199	ReturnComNotImplemented();
200	}
201	return hrc;
202	}
203
204	/**
205	* Internal worker for getting an EM executable policy setting.
206	*
207	* @returns COM status code.
208	* @param enmPolicy Which EM policy.
209	* @param pfEnforced Where to return the policy setting.
210	*/
211	HRESULT MachineDebugger::i_getEmExecPolicyProperty(EMEXECPOLICY enmPolicy, BOOL *pfEnforced)
212	{
213	CheckComArgOutPointerValid(pfEnforced);
214
215	AutoCaller autoCaller(this);
216	HRESULT hrc = autoCaller.hrc();
217	if (SUCCEEDED(hrc))
218	{
219	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
220	if (i_queueSettings())
221	*pfEnforced = maiQueuedEmExecPolicyParams[enmPolicy] == 1;
222	else
223	{
224	bool fEnforced = false;
225	Console::SafeVMPtrQuiet ptrVM(mParent);
226	hrc = ptrVM.hrc();
227	if (SUCCEEDED(hrc))
228	ptrVM.vtable()->pfnEMR3QueryExecutionPolicy(ptrVM.rawUVM(), enmPolicy, &fEnforced);
229	*pfEnforced = fEnforced;
230	}
231	}
232	return hrc;
233	}
234
235	/**
236	* Internal worker for setting an EM executable policy.
237	*
238	* @returns COM status code.
239	* @param enmPolicy Which policy to change.
240	* @param fEnforce Whether to enforce the policy or not.
241	*/
242	HRESULT MachineDebugger::i_setEmExecPolicyProperty(EMEXECPOLICY enmPolicy, BOOL fEnforce)
243	{
244	AutoCaller autoCaller(this);
245	HRESULT hrc = autoCaller.hrc();
246	if (SUCCEEDED(hrc))
247	{
248	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
249	if (i_queueSettings())
250	maiQueuedEmExecPolicyParams[enmPolicy] = fEnforce ? 1 : 0;
251	else
252	{
253	Console::SafeVMPtrQuiet ptrVM(mParent);
254	hrc = ptrVM.hrc();
255	if (SUCCEEDED(hrc))
256	{
257	int vrc = ptrVM.vtable()->pfnEMR3SetExecutionPolicy(ptrVM.rawUVM(), enmPolicy, fEnforce != FALSE);
258	if (RT_FAILURE(vrc))
259	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("EMR3SetExecutionPolicy failed with %Rrc"), vrc);
260	}
261	}
262	}
263	return hrc;
264	}
265
266	/**
267	* Returns the current execute-all-in-IEM setting.
268	*
269	* @returns COM status code
270	* @param aExecuteAllInIEM Address of result variable.
271	*/
272	HRESULT MachineDebugger::getExecuteAllInIEM(BOOL *aExecuteAllInIEM)
273	{
274	return i_getEmExecPolicyProperty(EMEXECPOLICY_IEM_ALL, aExecuteAllInIEM);
275	}
276
277	/**
278	* Changes the execute-all-in-IEM setting.
279	*
280	* @returns COM status code
281	* @param aExecuteAllInIEM New setting.
282	*/
283	HRESULT MachineDebugger::setExecuteAllInIEM(BOOL aExecuteAllInIEM)
284	{
285	LogFlowThisFunc(("enable=%d\n", aExecuteAllInIEM));
286	return i_setEmExecPolicyProperty(EMEXECPOLICY_IEM_ALL, aExecuteAllInIEM);
287	}
288
289	/**
290	* Returns the log enabled / disabled status.
291	*
292	* @returns COM status code
293	* @param aLogEnabled address of result variable
294	*/
295	HRESULT MachineDebugger::getLogEnabled(BOOL *aLogEnabled)
296	{
297	#ifdef LOG_ENABLED
298	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
299
300	const PRTLOGGER pLogInstance = RTLogDefaultInstance();
301	*aLogEnabled = pLogInstance && !(RTLogGetFlags(pLogInstance) & RTLOGFLAGS_DISABLED);
302	#else
303	*aLogEnabled = false;
304	#endif
305
306	return S_OK;
307	}
308
309	/**
310	* Enables or disables logging.
311	*
312	* @returns COM status code
313	* @param aLogEnabled The new code log state.
314	*/
315	HRESULT MachineDebugger::setLogEnabled(BOOL aLogEnabled)
316	{
317	LogFlowThisFunc(("aLogEnabled=%d\n", aLogEnabled));
318
319	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
320
321	if (i_queueSettings())
322	{
323	// queue the request
324	mLogEnabledQueued = aLogEnabled;
325	return S_OK;
326	}
327
328	Console::SafeVMPtr ptrVM(mParent);
329	if (FAILED(ptrVM.hrc())) return ptrVM.hrc();
330
331	#ifdef LOG_ENABLED
332	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyFlags(ptrVM.rawUVM(), aLogEnabled ? "enabled" : "disabled");
333	if (RT_FAILURE(vrc))
334	{
335	/** @todo handle error code. */
336	}
337	#endif
338
339	return S_OK;
340	}
341
342	HRESULT MachineDebugger::i_logStringProps(PRTLOGGER pLogger, PFNLOGGETSTR pfnLogGetStr,
343	const char pszLogGetStr, Utf8Str pstrSettings)
344	{
345	/* Make sure the VM is powered up. */
346	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
347	Console::SafeVMPtr ptrVM(mParent);
348	HRESULT hrc = ptrVM.hrc();
349	if (FAILED(hrc))
350	return hrc;
351
352	/* Make sure we've got a logger. */
353	if (!pLogger)
354	{
355	*pstrSettings = "";
356	return S_OK;
357	}
358
359	/* Do the job. */
360	size_t cbBuf = _1K;
361	for (;;)
362	{
363	char pszBuf = (char )RTMemTmpAlloc(cbBuf);
364	AssertReturn(pszBuf, E_OUTOFMEMORY);
365	int vrc = pstrSettings->reserveNoThrow(cbBuf);
366	if (RT_SUCCESS(vrc))
367	{
368	vrc = pfnLogGetStr(pLogger, pstrSettings->mutableRaw(), cbBuf);
369	if (RT_SUCCESS(vrc))
370	{
371	pstrSettings->jolt();
372	return S_OK;
373	}
374	*pstrSettings = "";
375	AssertReturn(vrc == VERR_BUFFER_OVERFLOW,
376	setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("%s returned %Rrc"), pszLogGetStr, vrc));
377	}
378	else
379	return E_OUTOFMEMORY;
380
381	/* try again with a bigger buffer. */
382	cbBuf *= 2;
383	AssertReturn(cbBuf <= _256K, setError(E_FAIL, tr("%s returns too much data"), pszLogGetStr));
384	}
385	}
386
387	HRESULT MachineDebugger::getLogDbgFlags(com::Utf8Str &aLogDbgFlags)
388	{
389	return i_logStringProps(RTLogGetDefaultInstance(), RTLogQueryFlags, "RTLogQueryFlags", &aLogDbgFlags);
390	}
391
392	HRESULT MachineDebugger::getLogDbgGroups(com::Utf8Str &aLogDbgGroups)
393	{
394	return i_logStringProps(RTLogGetDefaultInstance(), RTLogQueryGroupSettings, "RTLogQueryGroupSettings", &aLogDbgGroups);
395	}
396
397	HRESULT MachineDebugger::getLogDbgDestinations(com::Utf8Str &aLogDbgDestinations)
398	{
399	return i_logStringProps(RTLogGetDefaultInstance(), RTLogQueryDestinations, "RTLogQueryDestinations", &aLogDbgDestinations);
400	}
401
402	HRESULT MachineDebugger::getLogRelFlags(com::Utf8Str &aLogRelFlags)
403	{
404	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogQueryFlags, "RTLogQueryFlags", &aLogRelFlags);
405	}
406
407	HRESULT MachineDebugger::getLogRelGroups(com::Utf8Str &aLogRelGroups)
408	{
409	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogQueryGroupSettings, "RTLogQueryGroupSettings", &aLogRelGroups);
410	}
411
412	HRESULT MachineDebugger::getLogRelDestinations(com::Utf8Str &aLogRelDestinations)
413	{
414	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogQueryDestinations, "RTLogQueryDestinations", &aLogRelDestinations);
415	}
416
417	/**
418	* Return the main execution engine of the VM.
419	*
420	* @returns COM status code
421	* @param apenmEngine Address of the result variable.
422	*/
423	HRESULT MachineDebugger::getExecutionEngine(VMExecutionEngine_T *apenmEngine)
424	{
425	*apenmEngine = VMExecutionEngine_NotSet;
426
427	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
428	Console::SafeVMPtrQuiet ptrVM(mParent);
429	if (ptrVM.isOk())
430	{
431	uint8_t bEngine = UINT8_MAX;
432	int vrc = ptrVM.vtable()->pfnEMR3QueryMainExecutionEngine(ptrVM.rawUVM(), &bEngine);
433	if (RT_SUCCESS(vrc))
434	switch (bEngine)
435	{
436	case VM_EXEC_ENGINE_NOT_SET: *apenmEngine = VMExecutionEngine_NotSet; break;
437	case VM_EXEC_ENGINE_HW_VIRT: *apenmEngine = VMExecutionEngine_HwVirt; break;
438	case VM_EXEC_ENGINE_NATIVE_API: *apenmEngine = VMExecutionEngine_NativeApi; break;
439	case VM_EXEC_ENGINE_IEM:
440	{
441	bool fForced = false;
442	vrc = ptrVM.vtable()->pfnEMR3QueryExecutionPolicy(ptrVM.rawUVM(), EMEXECPOLICY_IEM_RECOMPILED, &fForced);
443	if (RT_SUCCESS(vrc) && fForced)
444	*apenmEngine = VMExecutionEngine_Recompiler;
445	else
446	*apenmEngine = VMExecutionEngine_Interpreter;
447	break;
448	}
449	default: AssertMsgFailed(("bEngine=%d\n", bEngine));
450	}
451	}
452
453	return S_OK;
454	}
455
456	/**
457	* Returns the current nested paging flag.
458	*
459	* @returns COM status code
460	* @param aHWVirtExNestedPagingEnabled address of result variable
461	*/
462	HRESULT MachineDebugger::getHWVirtExNestedPagingEnabled(BOOL *aHWVirtExNestedPagingEnabled)
463	{
464	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
465
466	Console::SafeVMPtrQuiet ptrVM(mParent);
467	if (ptrVM.isOk())
468	*aHWVirtExNestedPagingEnabled = ptrVM.vtable()->pfnHMR3IsNestedPagingActive(ptrVM.rawUVM());
469	else
470	*aHWVirtExNestedPagingEnabled = false;
471
472	return S_OK;
473	}
474
475	/**
476	* Returns the current VPID flag.
477	*
478	* @returns COM status code
479	* @param aHWVirtExVPIDEnabled address of result variable
480	*/
481	HRESULT MachineDebugger::getHWVirtExVPIDEnabled(BOOL *aHWVirtExVPIDEnabled)
482	{
483	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
484
485	Console::SafeVMPtrQuiet ptrVM(mParent);
486	if (ptrVM.isOk())
487	*aHWVirtExVPIDEnabled = ptrVM.vtable()->pfnHMR3IsVpidActive(ptrVM.rawUVM());
488	else
489	*aHWVirtExVPIDEnabled = false;
490
491	return S_OK;
492	}
493
494	/**
495	* Returns the current unrestricted execution setting.
496	*
497	* @returns COM status code
498	* @param aHWVirtExUXEnabled address of result variable
499	*/
500	HRESULT MachineDebugger::getHWVirtExUXEnabled(BOOL *aHWVirtExUXEnabled)
501	{
502	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
503
504	Console::SafeVMPtrQuiet ptrVM(mParent);
505	if (ptrVM.isOk())
506	*aHWVirtExUXEnabled = ptrVM.vtable()->pfnHMR3IsUXActive(ptrVM.rawUVM());
507	else
508	*aHWVirtExUXEnabled = false;
509
510	return S_OK;
511	}
512
513	HRESULT MachineDebugger::getOSName(com::Utf8Str &aOSName)
514	{
515	LogFlowThisFunc(("\n"));
516	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
517
518	Console::SafeVMPtr ptrVM(mParent);
519	HRESULT hrc = ptrVM.hrc();
520	if (SUCCEEDED(hrc))
521	{
522	/*
523	* Do the job and try convert the name.
524	*/
525	char szName[64];
526	int vrc = ptrVM.vtable()->pfnDBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), szName, sizeof(szName), NULL, 0);
527	if (RT_SUCCESS(vrc))
528	hrc = aOSName.assignEx(szName);
529	else
530	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
531	}
532	return hrc;
533	}
534
535	HRESULT MachineDebugger::getOSVersion(com::Utf8Str &aOSVersion)
536	{
537	LogFlowThisFunc(("\n"));
538	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
539
540	Console::SafeVMPtr ptrVM(mParent);
541	HRESULT hrc = ptrVM.hrc();
542	if (SUCCEEDED(hrc))
543	{
544	/*
545	* Do the job and try convert the name.
546	*/
547	char szVersion[256];
548	int vrc = ptrVM.vtable()->pfnDBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), NULL, 0, szVersion, sizeof(szVersion));
549	if (RT_SUCCESS(vrc))
550	hrc = aOSVersion.assignEx(szVersion);
551	else
552	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
553	}
554	return hrc;
555	}
556
557	/**
558	* Returns the current PAE flag.
559	*
560	* @returns COM status code
561	* @param aPAEEnabled address of result variable.
562	*/
563	HRESULT MachineDebugger::getPAEEnabled(BOOL *aPAEEnabled)
564	{
565	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
566
567	Console::SafeVMPtrQuiet ptrVM(mParent);
568	if (ptrVM.isOk())
569	{
570	uint32_t cr4;
571	int vrc = ptrVM.vtable()->pfnDBGFR3RegCpuQueryU32(ptrVM.rawUVM(), 0 /idCpu/, DBGFREG_CR4, &cr4); AssertRC(vrc);
572	*aPAEEnabled = RT_BOOL(cr4 & X86_CR4_PAE);
573	}
574	else
575	*aPAEEnabled = false;
576
577	return S_OK;
578	}
579
580	/**
581	* Returns the current virtual time rate.
582	*
583	* @returns COM status code.
584	* @param aVirtualTimeRate Where to store the rate.
585	*/
586	HRESULT MachineDebugger::getVirtualTimeRate(ULONG *aVirtualTimeRate)
587	{
588	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
589
590	Console::SafeVMPtr ptrVM(mParent);
591	HRESULT hrc = ptrVM.hrc();
592	if (SUCCEEDED(hrc))
593	*aVirtualTimeRate = ptrVM.vtable()->pfnTMR3GetWarpDrive(ptrVM.rawUVM());
594
595	return hrc;
596	}
597
598	/**
599	* Set the virtual time rate.
600	*
601	* @returns COM status code.
602	* @param aVirtualTimeRate The new rate.
603	*/
604	HRESULT MachineDebugger::setVirtualTimeRate(ULONG aVirtualTimeRate)
605	{
606	HRESULT hrc = S_OK;
607
608	if (aVirtualTimeRate < 2 \|\| aVirtualTimeRate > 20000)
609	return setError(E_INVALIDARG, tr("%u is out of range [2..20000]"), aVirtualTimeRate);
610
611	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
612	if (i_queueSettings())
613	mVirtualTimeRateQueued = aVirtualTimeRate;
614	else
615	{
616	Console::SafeVMPtr ptrVM(mParent);
617	hrc = ptrVM.hrc();
618	if (SUCCEEDED(hrc))
619	{
620	int vrc = ptrVM.vtable()->pfnTMR3SetWarpDrive(ptrVM.rawUVM(), aVirtualTimeRate);
621	if (RT_FAILURE(vrc))
622	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("TMR3SetWarpDrive(, %u) failed with vrc=%Rrc"), aVirtualTimeRate, vrc);
623	}
624	}
625
626	return hrc;
627	}
628
629	/**
630	* Get the VM uptime in milliseconds.
631	*
632	* @returns COM status code
633	* @param aUptime Where to store the uptime.
634	*/
635	HRESULT MachineDebugger::getUptime(LONG64 *aUptime)
636	{
637	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
638
639	Console::SafeVMPtr ptrVM(mParent);
640	HRESULT hrc = ptrVM.hrc();
641	if (SUCCEEDED(hrc))
642	*aUptime = (int64_t)ptrVM.vtable()->pfnTMR3TimeVirtGetMilli(ptrVM.rawUVM());
643
644	return hrc;
645	}
646
647	// IMachineDebugger methods
648	/////////////////////////////////////////////////////////////////////////////
649
650	HRESULT MachineDebugger::dumpGuestCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
651	{
652	if (aCompression.length())
653	return setError(E_INVALIDARG, tr("The compression parameter must be empty"));
654
655	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
656	Console::SafeVMPtr ptrVM(mParent);
657	HRESULT hrc = ptrVM.hrc();
658	if (SUCCEEDED(hrc))
659	{
660	int vrc = ptrVM.vtable()->pfnDBGFR3CoreWrite(ptrVM.rawUVM(), aFilename.c_str(), false /fReplaceFile/);
661	if (RT_SUCCESS(vrc))
662	hrc = S_OK;
663	else
664	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3CoreWrite failed with %Rrc"), vrc);
665	}
666
667	return hrc;
668	}
669
670	HRESULT MachineDebugger::dumpHostProcessCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
671	{
672	RT_NOREF(aFilename, aCompression);
673	ReturnComNotImplemented();
674	}
675
676	/**
677	* Debug info string buffer formatter.
678	*/
679	typedef struct MACHINEDEBUGGERINOFHLP
680	{
681	/** The core info helper structure. */
682	DBGFINFOHLP Core;
683	/** Pointer to the buffer. */
684	char *pszBuf;
685	/** The size of the buffer. */
686	size_t cbBuf;
687	/** The offset into the buffer */
688	size_t offBuf;
689	/** Indicates an out-of-memory condition. */
690	bool fOutOfMemory;
691	} MACHINEDEBUGGERINOFHLP;
692	/** Pointer to a Debug info string buffer formatter. */
693	typedef MACHINEDEBUGGERINOFHLP *PMACHINEDEBUGGERINOFHLP;
694
695
696	/**
697	* @callback_method_impl{FNRTSTROUTPUT}
698	*/
699	static DECLCALLBACK(size_t) MachineDebuggerInfoOutput(void pvArg, const char pachChars, size_t cbChars)
700	{
701	PMACHINEDEBUGGERINOFHLP pHlp = (PMACHINEDEBUGGERINOFHLP)pvArg;
702
703	/*
704	* Grow the buffer if required.
705	*/
706	size_t const cbRequired = cbChars + pHlp->offBuf + 1;
707	if (cbRequired > pHlp->cbBuf)
708	{
709	if (RT_UNLIKELY(pHlp->fOutOfMemory))
710	return 0;
711
712	size_t cbBufNew = pHlp->cbBuf * 2;
713	if (cbRequired > cbBufNew)
714	cbBufNew = RT_ALIGN_Z(cbRequired, 256);
715	void *pvBufNew = RTMemRealloc(pHlp->pszBuf, cbBufNew);
716	if (RT_UNLIKELY(!pvBufNew))
717	{
718	pHlp->fOutOfMemory = true;
719	RTMemFree(pHlp->pszBuf);
720	pHlp->pszBuf = NULL;
721	pHlp->cbBuf = 0;
722	pHlp->offBuf = 0;
723	return 0;
724	}
725
726	pHlp->pszBuf = (char *)pvBufNew;
727	pHlp->cbBuf = cbBufNew;
728	}
729
730	/*
731	* Copy the bytes into the buffer and terminate it.
732	*/
733	if (cbChars)
734	{
735	memcpy(&pHlp->pszBuf[pHlp->offBuf], pachChars, cbChars);
736	pHlp->offBuf += cbChars;
737	}
738	pHlp->pszBuf[pHlp->offBuf] = '\0';
739	Assert(pHlp->offBuf < pHlp->cbBuf);
740	return cbChars;
741	}
742
743	/**
744	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
745	*/
746	static DECLCALLBACK(void) MachineDebuggerInfoPrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
747	{
748	RTStrFormatV(MachineDebuggerInfoOutput, (void *)pHlp, NULL, NULL, pszFormat, args);
749	}
750
751	/**
752	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
753	*/
754	static DECLCALLBACK(void) MachineDebuggerInfoPrintf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
755	{
756	va_list va;
757	va_start(va, pszFormat);
758	MachineDebuggerInfoPrintfV(pHlp, pszFormat, va);
759	va_end(va);
760	}
761
762	/**
763	* Initializes the debug info string buffer formatter
764	*
765	* @param pHlp The help structure to init.
766	* @param pVMM The VMM vtable.
767	*/
768	static void MachineDebuggerInfoInit(PMACHINEDEBUGGERINOFHLP pHlp, PCVMMR3VTABLE pVMM)
769	{
770	pHlp->Core.pfnPrintf = MachineDebuggerInfoPrintf;
771	pHlp->Core.pfnPrintfV = MachineDebuggerInfoPrintfV;
772	pHlp->Core.pfnGetOptError = pVMM->pfnDBGFR3InfoGenericGetOptError;
773	pHlp->pszBuf = NULL;
774	pHlp->cbBuf = 0;
775	pHlp->offBuf = 0;
776	pHlp->fOutOfMemory = false;
777	}
778
779	/**
780	* Deletes the debug info string buffer formatter.
781	* @param pHlp The helper structure to delete.
782	*/
783	static void MachineDebuggerInfoDelete(PMACHINEDEBUGGERINOFHLP pHlp)
784	{
785	RTMemFree(pHlp->pszBuf);
786	pHlp->pszBuf = NULL;
787	}
788
789	HRESULT MachineDebugger::info(const com::Utf8Str &aName, const com::Utf8Str &aArgs, com::Utf8Str &aInfo)
790	{
791	LogFlowThisFunc(("\n"));
792
793	/*
794	* Do the autocaller and lock bits.
795	*/
796	AutoCaller autoCaller(this);
797	HRESULT hrc = autoCaller.hrc();
798	if (SUCCEEDED(hrc))
799	{
800	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
801	Console::SafeVMPtr ptrVM(mParent);
802	hrc = ptrVM.hrc();
803	if (SUCCEEDED(hrc))
804	{
805	/*
806	* Create a helper and call DBGFR3Info.
807	*/
808	MACHINEDEBUGGERINOFHLP Hlp;
809	MachineDebuggerInfoInit(&Hlp, ptrVM.vtable());
810	int vrc = ptrVM.vtable()->pfnDBGFR3Info(ptrVM.rawUVM(), aName.c_str(), aArgs.c_str(), &Hlp.Core);
811	if (RT_SUCCESS(vrc))
812	{
813	if (!Hlp.fOutOfMemory)
814	hrc = aInfo.assignEx(Hlp.pszBuf);
815	else
816	hrc = E_OUTOFMEMORY;
817	}
818	else
819	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3Info failed with %Rrc"), vrc);
820	MachineDebuggerInfoDelete(&Hlp);
821	}
822	}
823	return hrc;
824	}
825
826	HRESULT MachineDebugger::injectNMI()
827	{
828	LogFlowThisFunc(("\n"));
829
830	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
831	Console::SafeVMPtr ptrVM(mParent);
832	HRESULT hrc = ptrVM.hrc();
833	if (SUCCEEDED(hrc))
834	{
835	int vrc = ptrVM.vtable()->pfnDBGFR3InjectNMI(ptrVM.rawUVM(), 0);
836	if (RT_SUCCESS(vrc))
837	hrc = S_OK;
838	else
839	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3InjectNMI failed with %Rrc"), vrc);
840	}
841	return hrc;
842	}
843
844	HRESULT MachineDebugger::modifyLogFlags(const com::Utf8Str &aSettings)
845	{
846	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
847	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
848	Console::SafeVMPtr ptrVM(mParent);
849	HRESULT hrc = ptrVM.hrc();
850	if (SUCCEEDED(hrc))
851	{
852	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyFlags(ptrVM.rawUVM(), aSettings.c_str());
853	if (RT_SUCCESS(vrc))
854	hrc = S_OK;
855	else
856	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyFlags failed with %Rrc"), vrc);
857	}
858	return hrc;
859	}
860
861	HRESULT MachineDebugger::modifyLogGroups(const com::Utf8Str &aSettings)
862	{
863	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
864	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
865	Console::SafeVMPtr ptrVM(mParent);
866	HRESULT hrc = ptrVM.hrc();
867	if (SUCCEEDED(hrc))
868	{
869	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyGroups(ptrVM.rawUVM(), aSettings.c_str());
870	if (RT_SUCCESS(vrc))
871	hrc = S_OK;
872	else
873	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyGroups failed with %Rrc"), vrc);
874	}
875	return hrc;
876	}
877
878	HRESULT MachineDebugger::modifyLogDestinations(const com::Utf8Str &aSettings)
879	{
880	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
881	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
882	Console::SafeVMPtr ptrVM(mParent);
883	HRESULT hrc = ptrVM.hrc();
884	if (SUCCEEDED(hrc))
885	{
886	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyDestinations(ptrVM.rawUVM(), aSettings.c_str());
887	if (RT_SUCCESS(vrc))
888	hrc = S_OK;
889	else
890	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyDestinations failed with %Rrc"), vrc);
891	}
892	return hrc;
893	}
894
895	HRESULT MachineDebugger::readPhysicalMemory(LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
896	{
897	RT_NOREF(aAddress, aSize, aBytes);
898	ReturnComNotImplemented();
899	}
900
901	HRESULT MachineDebugger::writePhysicalMemory(LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
902	{
903	RT_NOREF(aAddress, aSize, aBytes);
904	ReturnComNotImplemented();
905	}
906
907	HRESULT MachineDebugger::readVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
908	{
909	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
910	ReturnComNotImplemented();
911	}
912
913	HRESULT MachineDebugger::writeVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
914	{
915	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
916	ReturnComNotImplemented();
917	}
918
919	HRESULT MachineDebugger::loadPlugIn(const com::Utf8Str &aName, com::Utf8Str &aPlugInName)
920	{
921	/*
922	* Lock the debugger and get the VM pointer
923	*/
924	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
925	Console::SafeVMPtr ptrVM(mParent);
926	HRESULT hrc = ptrVM.hrc();
927	if (SUCCEEDED(hrc))
928	{
929	/*
930	* Do the job and try convert the name.
931	*/
932	if (aName.equals("all"))
933	{
934	ptrVM.vtable()->pfnDBGFR3PlugInLoadAll(ptrVM.rawUVM());
935	hrc = aPlugInName.assignEx("all");
936	}
937	else
938	{
939	RTERRINFOSTATIC ErrInfo;
940	char szName[80];
941	int vrc = ptrVM.vtable()->pfnDBGFR3PlugInLoad(ptrVM.rawUVM(), aName.c_str(), szName, sizeof(szName), RTErrInfoInitStatic(&ErrInfo));
942	if (RT_SUCCESS(vrc))
943	hrc = aPlugInName.assignEx(szName);
944	else
945	hrc = setErrorVrc(vrc, "%s", ErrInfo.szMsg);
946	}
947	}
948	return hrc;
949
950	}
951
952	HRESULT MachineDebugger::unloadPlugIn(const com::Utf8Str &aName)
953	{
954	/*
955	* Lock the debugger and get the VM pointer
956	*/
957	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
958	Console::SafeVMPtr ptrVM(mParent);
959	HRESULT hrc = ptrVM.hrc();
960	if (SUCCEEDED(hrc))
961	{
962	/*
963	* Do the job and try convert the name.
964	*/
965	if (aName.equals("all"))
966	{
967	ptrVM.vtable()->pfnDBGFR3PlugInUnloadAll(ptrVM.rawUVM());
968	hrc = S_OK;
969	}
970	else
971	{
972	int vrc = ptrVM.vtable()->pfnDBGFR3PlugInUnload(ptrVM.rawUVM(), aName.c_str());
973	if (RT_SUCCESS(vrc))
974	hrc = S_OK;
975	else if (vrc == VERR_NOT_FOUND)
976	hrc = setErrorBoth(E_FAIL, vrc, tr("Plug-in '%s' was not found"), aName.c_str());
977	else
978	hrc = setErrorVrc(vrc, tr("Error unloading '%s': %Rrc"), aName.c_str(), vrc);
979	}
980	}
981	return hrc;
982
983	}
984
985	HRESULT MachineDebugger::detectOS(com::Utf8Str &aOs)
986	{
987	LogFlowThisFunc(("\n"));
988
989	/*
990	* Lock the debugger and get the VM pointer
991	*/
992	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
993	Console::SafeVMPtr ptrVM(mParent);
994	HRESULT hrc = ptrVM.hrc();
995	if (SUCCEEDED(hrc))
996	{
997	/*
998	* Do the job.
999	*/
1000	char szName[64];
1001	int vrc = ptrVM.vtable()->pfnDBGFR3OSDetect(ptrVM.rawUVM(), szName, sizeof(szName));
1002	if (RT_SUCCESS(vrc) && vrc != VINF_DBGF_OS_NOT_DETCTED)
1003	hrc = aOs.assignEx(szName);
1004	else
1005	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSDetect failed with %Rrc"), vrc);
1006	}
1007	return hrc;
1008	}
1009
1010	HRESULT MachineDebugger::queryOSKernelLog(ULONG aMaxMessages, com::Utf8Str &aDmesg)
1011	{
1012	/*
1013	* Lock the debugger and get the VM pointer
1014	*/
1015	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1016	Console::SafeVMPtr ptrVM(mParent);
1017	HRESULT hrc = ptrVM.hrc();
1018	if (SUCCEEDED(hrc))
1019	{
1020	PDBGFOSIDMESG pDmesg = (PDBGFOSIDMESG)ptrVM.vtable()->pfnDBGFR3OSQueryInterface(ptrVM.rawUVM(), DBGFOSINTERFACE_DMESG);
1021	if (pDmesg)
1022	{
1023	size_t cbActual;
1024	size_t cbBuf = _512K;
1025	int vrc = aDmesg.reserveNoThrow(cbBuf);
1026	if (RT_SUCCESS(vrc))
1027	{
1028	uint32_t cMessages = aMaxMessages == 0 ? UINT32_MAX : aMaxMessages;
1029	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), ptrVM.vtable(), 0 /fFlags/, cMessages,
1030	aDmesg.mutableRaw(), cbBuf, &cbActual);
1031
1032	uint32_t cTries = 10;
1033	while (vrc == VERR_BUFFER_OVERFLOW && cbBuf < 16*_1M && cTries-- > 0)
1034	{
1035	cbBuf = RT_ALIGN_Z(cbActual + _4K, _4K);
1036	vrc = aDmesg.reserveNoThrow(cbBuf);
1037	if (RT_SUCCESS(vrc))
1038	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), ptrVM.vtable(), 0 /fFlags/, cMessages,
1039	aDmesg.mutableRaw(), cbBuf, &cbActual);
1040	}
1041	if (RT_SUCCESS(vrc))
1042	aDmesg.jolt();
1043	else if (vrc == VERR_BUFFER_OVERFLOW)
1044	hrc = setError(E_FAIL, tr("Too much log available, must use the maxMessages parameter to restrict."));
1045	else
1046	hrc = setErrorVrc(vrc);
1047	}
1048	else
1049	hrc = setErrorBoth(E_OUTOFMEMORY, vrc);
1050	}
1051	else
1052	hrc = setError(E_FAIL, tr("The dmesg interface isn't implemented by guest OS digger, or detectOS() has not been called."));
1053	}
1054	return hrc;
1055	}
1056
1057	HRESULT MachineDebugger::getRegister(ULONG aCpuId, const com::Utf8Str &aName, com::Utf8Str &aValue)
1058	{
1059	/*
1060	* The prologue.
1061	*/
1062	LogFlowThisFunc(("\n"));
1063	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1064	Console::SafeVMPtr ptrVM(mParent);
1065	HRESULT hrc = ptrVM.hrc();
1066	if (SUCCEEDED(hrc))
1067	{
1068	/*
1069	* Real work.
1070	*/
1071	DBGFREGVAL Value;
1072	DBGFREGVALTYPE enmType;
1073	int vrc = ptrVM.vtable()->pfnDBGFR3RegNmQuery(ptrVM.rawUVM(), aCpuId, aName.c_str(), &Value, &enmType);
1074	if (RT_SUCCESS(vrc))
1075	{
1076	char szHex[160];
1077	ssize_t cch = ptrVM.vtable()->pfnDBGFR3RegFormatValue(szHex, sizeof(szHex), &Value, enmType, true /fSpecial/);
1078	if (cch > 0)
1079	hrc = aValue.assignEx(szHex);
1080	else
1081	hrc = E_UNEXPECTED;
1082	}
1083	else if (vrc == VERR_DBGF_REGISTER_NOT_FOUND)
1084	hrc = setErrorBoth(E_FAIL, vrc, tr("Register '%s' was not found"), aName.c_str());
1085	else if (vrc == VERR_INVALID_CPU_ID)
1086	hrc = setErrorBoth(E_FAIL, vrc, tr("Invalid CPU ID: %u"), aCpuId);
1087	else
1088	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc,
1089	tr("DBGFR3RegNmQuery failed with vrc=%Rrc querying register '%s' with default cpu set to %u"),
1090	vrc, aName.c_str(), aCpuId);
1091	}
1092
1093	return hrc;
1094	}
1095
1096	HRESULT MachineDebugger::getRegisters(ULONG aCpuId, std::vector<com::Utf8Str> &aNames, std::vector<com::Utf8Str> &aValues)
1097	{
1098	RT_NOREF(aCpuId); /** @todo fix missing aCpuId usage! */
1099
1100	/*
1101	* The prologue.
1102	*/
1103	LogFlowThisFunc(("\n"));
1104	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1105	Console::SafeVMPtr ptrVM(mParent);
1106	HRESULT hrc = ptrVM.hrc();
1107	if (SUCCEEDED(hrc))
1108	{
1109	/*
1110	* Real work.
1111	*/
1112	size_t cRegs;
1113	int vrc = ptrVM.vtable()->pfnDBGFR3RegNmQueryAllCount(ptrVM.rawUVM(), &cRegs);
1114	if (RT_SUCCESS(vrc))
1115	{
1116	PDBGFREGENTRYNM paRegs = (PDBGFREGENTRYNM)RTMemAllocZ(sizeof(paRegs[0]) * cRegs);
1117	if (paRegs)
1118	{
1119	vrc = ptrVM.vtable()->pfnDBGFR3RegNmQueryAll(ptrVM.rawUVM(), paRegs, cRegs);
1120	if (RT_SUCCESS(vrc))
1121	{
1122	try
1123	{
1124	aValues.resize(cRegs);
1125	aNames.resize(cRegs);
1126	uint32_t iDst = 0;
1127	for (uint32_t iSrc = 0; iSrc < cRegs; iSrc++)
1128	if (paRegs[iSrc].pszName) /* skip padding entries */
1129	{
1130	char szHex[160];
1131	szHex[159] = szHex[0] = '\0';
1132	ssize_t cch = ptrVM.vtable()->pfnDBGFR3RegFormatValue(szHex, sizeof(szHex), &paRegs[iSrc].Val,
1133	paRegs[iSrc].enmType, true /fSpecial/);
1134	Assert(cch > 0); NOREF(cch);
1135	aNames[iDst] = paRegs[iSrc].pszName;
1136	aValues[iDst] = szHex;
1137	iDst++;
1138	}
1139
1140	/* If we skipped padding entries, resize the return arrays to the actual return size. */
1141	if (iDst < cRegs)
1142	{
1143	aValues.resize(iDst);
1144	aNames.resize(iDst);
1145	}
1146	}
1147	catch (std::bad_alloc &)
1148	{
1149	hrc = E_OUTOFMEMORY;
1150	}
1151	}
1152	else
1153	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAll failed with %Rrc"), vrc);
1154
1155	RTMemFree(paRegs);
1156	}
1157	else
1158	hrc = E_OUTOFMEMORY;
1159	}
1160	else
1161	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAllCount failed with %Rrc"), vrc);
1162	}
1163	return hrc;
1164	}
1165
1166	HRESULT MachineDebugger::setRegister(ULONG aCpuId, const com::Utf8Str &aName, const com::Utf8Str &aValue)
1167	{
1168	RT_NOREF(aCpuId, aName, aValue);
1169	ReturnComNotImplemented();
1170	}
1171
1172	HRESULT MachineDebugger::setRegisters(ULONG aCpuId, const std::vector<com::Utf8Str> &aNames,
1173	const std::vector<com::Utf8Str> &aValues)
1174	{
1175	RT_NOREF(aCpuId, aNames, aValues);
1176	ReturnComNotImplemented();
1177	}
1178
1179	HRESULT MachineDebugger::dumpGuestStack(ULONG aCpuId, com::Utf8Str &aStack)
1180	{
1181	/*
1182	* The prologue.
1183	*/
1184	LogFlowThisFunc(("\n"));
1185	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1186	Console::SafeVMPtr ptrVM(mParent);
1187	HRESULT hrc = ptrVM.hrc();
1188	if (SUCCEEDED(hrc))
1189	{
1190	/*
1191	* There is currently a problem with the windows diggers and SMP, where
1192	* guest driver memory is being read from CPU zero in order to ensure that
1193	* we've got a consisten virtual memory view. If one of the other CPUs
1194	* initiates a rendezvous while we're unwinding the stack and trying to
1195	* read guest driver memory, we will deadlock.
1196	*
1197	* So, check the VM state and maybe suspend the VM before we continue.
1198	*/
1199	int vrc = VINF_SUCCESS;
1200	bool fPaused = false;
1201	if (aCpuId != 0)
1202	{
1203	VMSTATE enmVmState = ptrVM.vtable()->pfnVMR3GetStateU(ptrVM.rawUVM());
1204	if ( enmVmState == VMSTATE_RUNNING
1205	\|\| enmVmState == VMSTATE_RUNNING_LS)
1206	{
1207	alock.release();
1208	vrc = ptrVM.vtable()->pfnVMR3Suspend(ptrVM.rawUVM(), VMSUSPENDREASON_USER);
1209	alock.acquire();
1210	fPaused = RT_SUCCESS(vrc);
1211	}
1212	}
1213	if (RT_SUCCESS(vrc))
1214	{
1215	PCDBGFSTACKFRAME pFirstFrame;
1216	vrc = ptrVM.vtable()->pfnDBGFR3StackWalkBegin(ptrVM.rawUVM(), aCpuId, DBGFCODETYPE_GUEST, &pFirstFrame);
1217	if (RT_SUCCESS(vrc))
1218	{
1219	/*
1220	* Print header.
1221	*/
1222	try
1223	{
1224	uint32_t fBitFlags = 0;
1225	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
1226	pFrame;
1227	pFrame = ptrVM.vtable()->pfnDBGFR3StackWalkNext(pFrame))
1228	{
1229	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
1230	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
1231	{
1232	if (fCurBitFlags != fBitFlags)
1233	aStack.append("SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1234	aStack.appendPrintf("%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1235	pFrame->AddrFrame.Sel,
1236	(uint16_t)pFrame->AddrFrame.off,
1237	pFrame->AddrReturnFrame.Sel,
1238	(uint16_t)pFrame->AddrReturnFrame.off,
1239	(uint32_t)pFrame->AddrReturnPC.Sel,
1240	(uint32_t)pFrame->AddrReturnPC.off,
1241	pFrame->Args.au32[0],
1242	pFrame->Args.au32[1],
1243	pFrame->Args.au32[2],
1244	pFrame->Args.au32[3]);
1245	}
1246	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
1247	{
1248	if (fCurBitFlags != fBitFlags)
1249	aStack.append("EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1250	aStack.appendPrintf("%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1251	(uint32_t)pFrame->AddrFrame.off,
1252	(uint32_t)pFrame->AddrReturnFrame.off,
1253	(uint32_t)pFrame->AddrReturnPC.Sel,
1254	(uint32_t)pFrame->AddrReturnPC.off,
1255	pFrame->Args.au32[0],
1256	pFrame->Args.au32[1],
1257	pFrame->Args.au32[2],
1258	pFrame->Args.au32[3]);
1259	}
1260	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
1261	{
1262	if (fCurBitFlags != fBitFlags)
1263	aStack.append("RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
1264	aStack.appendPrintf("%016RX64 %04RX16:%016RX64 %016RX64",
1265	(uint64_t)pFrame->AddrFrame.off,
1266	pFrame->AddrReturnFrame.Sel,
1267	(uint64_t)pFrame->AddrReturnFrame.off,
1268	(uint64_t)pFrame->AddrReturnPC.off);
1269	}
1270
1271	if (!pFrame->pSymPC)
1272	aStack.appendPrintf(fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
1273	? " %RTsel:%016RGv"
1274	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
1275	? " %RTsel:%08RGv"
1276	: " %RTsel:%04RGv"
1277	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
1278	else
1279	{
1280	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
1281	if (offDisp > 0)
1282	aStack.appendPrintf(" %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
1283	else if (offDisp < 0)
1284	aStack.appendPrintf(" %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
1285	else
1286	aStack.appendPrintf(" %s", pFrame->pSymPC->szName);
1287	}
1288	if (pFrame->pLinePC)
1289	aStack.appendPrintf(" [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
1290	aStack.append("\n");
1291
1292	fBitFlags = fCurBitFlags;
1293	}
1294	}
1295	catch (std::bad_alloc &)
1296	{
1297	hrc = E_OUTOFMEMORY;
1298	}
1299
1300	ptrVM.vtable()->pfnDBGFR3StackWalkEnd(pFirstFrame);
1301	}
1302	else
1303	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3StackWalkBegin failed with %Rrc"), vrc);
1304
1305	/*
1306	* Resume the VM if we suspended it.
1307	*/
1308	if (fPaused)
1309	{
1310	alock.release();
1311	ptrVM.vtable()->pfnVMR3Resume(ptrVM.rawUVM(), VMRESUMEREASON_USER);
1312	}
1313	}
1314	else
1315	hrc = setErrorBoth(E_FAIL, vrc, tr("Suspending the VM failed with %Rrc\n"), vrc);
1316	}
1317
1318	return hrc;
1319	}
1320
1321	/**
1322	* Resets VM statistics.
1323	*
1324	* @returns COM status code.
1325	* @param aPattern The selection pattern. A bit similar to filename globbing.
1326	*/
1327	HRESULT MachineDebugger::resetStats(const com::Utf8Str &aPattern)
1328	{
1329	Console::SafeVMPtrQuiet ptrVM(mParent);
1330	if (!ptrVM.isOk())
1331	return setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1332
1333	ptrVM.vtable()->pfnSTAMR3Reset(ptrVM.rawUVM(), aPattern.c_str());
1334
1335	return S_OK;
1336	}
1337
1338	/**
1339	* Dumps VM statistics to the log.
1340	*
1341	* @returns COM status code.
1342	* @param aPattern The selection pattern. A bit similar to filename globbing.
1343	*/
1344	HRESULT MachineDebugger::dumpStats(const com::Utf8Str &aPattern)
1345	{
1346	Console::SafeVMPtrQuiet ptrVM(mParent);
1347	if (!ptrVM.isOk())
1348	return setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1349
1350	ptrVM.vtable()->pfnSTAMR3Dump(ptrVM.rawUVM(), aPattern.c_str());
1351
1352	return S_OK;
1353	}
1354
1355	/**
1356	* Get the VM statistics in an XML format.
1357	*
1358	* @returns COM status code.
1359	* @param aPattern The selection pattern. A bit similar to filename globbing.
1360	* @param aWithDescriptions Whether to include the descriptions.
1361	* @param aStats The XML document containing the statistics.
1362	*/
1363	HRESULT MachineDebugger::getStats(const com::Utf8Str &aPattern, BOOL aWithDescriptions, com::Utf8Str &aStats)
1364	{
1365	Console::SafeVMPtrQuiet ptrVM(mParent);
1366	if (!ptrVM.isOk())
1367	return setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1368
1369	char *pszSnapshot;
1370	int vrc = ptrVM.vtable()->pfnSTAMR3Snapshot(ptrVM.rawUVM(), aPattern.c_str(), &pszSnapshot, NULL, !!aWithDescriptions);
1371	if (RT_FAILURE(vrc))
1372	return vrc == VERR_NO_MEMORY ? E_OUTOFMEMORY : E_FAIL;
1373
1374	/** @todo this is horribly inefficient! And it's kinda difficult to tell whether it failed...
1375	* Must use UTF-8 or ASCII here and completely avoid these two extra copy operations.
1376	* Until that's done, this method is kind of useless for debugger statistics GUI because
1377	* of the amount statistics in a debug build. */
1378	HRESULT hrc = aStats.assignEx(pszSnapshot);
1379	ptrVM.vtable()->pfnSTAMR3SnapshotFree(ptrVM.rawUVM(), pszSnapshot);
1380
1381	return hrc;
1382	}
1383
1384
1385	/** Wrapper around TMR3GetCpuLoadPercents. */
1386	HRESULT MachineDebugger::getCPULoad(ULONG aCpuId, ULONG aPctExecuting, ULONG aPctHalted, ULONG aPctOther, LONG64 aMsInterval)
1387	{
1388	HRESULT hrc;
1389	Console::SafeVMPtrQuiet ptrVM(mParent);
1390	if (ptrVM.isOk())
1391	{
1392	uint8_t uPctExecuting = 0;
1393	uint8_t uPctHalted = 0;
1394	uint8_t uPctOther = 0;
1395	uint64_t msInterval = 0;
1396	int vrc = ptrVM.vtable()->pfnTMR3GetCpuLoadPercents(ptrVM.rawUVM(), aCpuId >= UINT32_MAX / 2 ? VMCPUID_ALL : aCpuId,
1397	&msInterval, &uPctExecuting, &uPctHalted, &uPctOther);
1398	if (RT_SUCCESS(vrc))
1399	{
1400	*aPctExecuting = uPctExecuting;
1401	*aPctHalted = uPctHalted;
1402	*aPctOther = uPctOther;
1403	*aMsInterval = msInterval;
1404	hrc = S_OK;
1405	}
1406	else
1407	hrc = setErrorVrc(vrc);
1408	}
1409	else
1410	hrc = setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1411	return hrc;
1412	}
1413
1414
1415	HRESULT MachineDebugger::takeGuestSample(const com::Utf8Str &aFilename, ULONG aUsInterval, LONG64 aUsSampleTime, ComPtr<IProgress> &pProgress)
1416	{
1417	/*
1418	* The prologue.
1419	*/
1420	LogFlowThisFunc(("\n"));
1421	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1422	Console::SafeVMPtr ptrVM(mParent);
1423	HRESULT hrc = ptrVM.hrc();
1424	if (SUCCEEDED(hrc))
1425	{
1426	if (!m_hSampleReport)
1427	{
1428	m_strFilename = aFilename;
1429
1430	int vrc = ptrVM.vtable()->pfnDBGFR3SampleReportCreate(ptrVM.rawUVM(), aUsInterval,
1431	DBGF_SAMPLE_REPORT_F_STACK_REVERSE, &m_hSampleReport);
1432	if (RT_SUCCESS(vrc))
1433	{
1434	hrc = m_Progress.createObject();
1435	if (SUCCEEDED(hrc))
1436	{
1437	hrc = m_Progress->init(static_cast<IMachineDebugger*>(this),
1438	tr("Creating guest sample report..."),
1439	TRUE /* aCancelable */);
1440	if (SUCCEEDED(hrc))
1441	{
1442	vrc = ptrVM.vtable()->pfnDBGFR3SampleReportStart(m_hSampleReport, aUsSampleTime, i_dbgfProgressCallback,
1443	static_cast<MachineDebugger*>(this));
1444	if (RT_SUCCESS(vrc))
1445	hrc = m_Progress.queryInterfaceTo(pProgress.asOutParam());
1446	else
1447	hrc = setErrorVrc(vrc);
1448	}
1449	}
1450
1451	if (FAILED(hrc))
1452	{
1453	ptrVM.vtable()->pfnDBGFR3SampleReportRelease(m_hSampleReport);
1454	m_hSampleReport = NULL;
1455	}
1456	}
1457	else
1458	hrc = setErrorVrc(vrc);
1459	}
1460	else
1461	hrc = setError(VBOX_E_INVALID_VM_STATE, tr("A sample report is already in progress"));
1462	}
1463
1464	return hrc;
1465	}
1466
1467	/**
1468	* Hack for getting the user mode VM handle (UVM) and VMM function table.
1469	*
1470	* @returns COM status code
1471	* @param aMagicVersion The VMMR3VTABLE_MAGIC_VERSION value of the
1472	* caller so we can check that the function table
1473	* is compatible. (Otherwise, the caller can't
1474	* safely release the UVM reference.)
1475	* @param aUVM Where to store the vm handle. Since there is no
1476	* uintptr_t in COM, we're using the max integer. (No,
1477	* ULONG is not pointer sized!)
1478	* @param aVMMFunctionTable Where to store the vm handle.
1479	*
1480	* @remarks The returned handle must be passed to VMR3ReleaseUVM()!
1481	*/
1482	HRESULT MachineDebugger::getUVMAndVMMFunctionTable(LONG64 aMagicVersion, LONG64 aVMMFunctionTable, LONG64 aUVM)
1483	{
1484	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1485
1486	/*
1487	* Make sure it is a local call.
1488	*/
1489	RTTHREAD hThread = RTThreadSelf();
1490	if (hThread != NIL_RTTHREAD)
1491	{
1492	const char *pszName = RTThreadGetName(hThread);
1493	if ( !RTStrStartsWith(pszName, "ALIEN-") /* COM worker threads are aliens */
1494	&& !RTStrStartsWith(pszName, "nspr-") /* XPCOM worker threads are nspr-X */ )
1495	{
1496	/*
1497	* Use safe VM pointer to get both the UVM and VMM function table.
1498	*/
1499	Console::SafeVMPtr ptrVM(mParent);
1500	HRESULT hrc = ptrVM.hrc();
1501	if (SUCCEEDED(hrc))
1502	{
1503	if (VMMR3VTABLE_IS_COMPATIBLE_EX(ptrVM.vtable()->uMagicVersion, (uint64_t)aMagicVersion))
1504	{
1505	ptrVM.vtable()->pfnVMR3RetainUVM(ptrVM.rawUVM());
1506	*aUVM = (intptr_t)ptrVM.rawUVM();
1507	*aVMMFunctionTable = (intptr_t)ptrVM.vtable();
1508	hrc = S_OK;
1509	}
1510	else
1511	hrc = setError(E_FAIL, tr("Incompatible VMM function table: %RX64 vs %RX64 (caller)"),
1512	ptrVM.vtable()->uMagicVersion, (uint64_t)aMagicVersion);
1513	}
1514	return hrc;
1515	}
1516	}
1517
1518	return setError(E_ACCESSDENIED, tr("The method getUVMAndVMMFunctionTable is only for local calls"));
1519	}
1520
1521
1522
1523	// public methods only for internal purposes
1524	/////////////////////////////////////////////////////////////////////////////
1525
1526	void MachineDebugger::i_flushQueuedSettings()
1527	{
1528	mFlushMode = true;
1529	if (mSingleStepQueued != -1)
1530	{
1531	COMSETTER(SingleStep)(mSingleStepQueued);
1532	mSingleStepQueued = -1;
1533	}
1534	for (unsigned i = 0; i < EMEXECPOLICY_END; i++)
1535	if (maiQueuedEmExecPolicyParams[i] != UINT8_MAX)
1536	{
1537	i_setEmExecPolicyProperty((EMEXECPOLICY)i, RT_BOOL(maiQueuedEmExecPolicyParams[i]));
1538	maiQueuedEmExecPolicyParams[i] = UINT8_MAX;
1539	}
1540	if (mLogEnabledQueued != -1)
1541	{
1542	COMSETTER(LogEnabled)(mLogEnabledQueued);
1543	mLogEnabledQueued = -1;
1544	}
1545	if (mVirtualTimeRateQueued != UINT32_MAX)
1546	{
1547	COMSETTER(VirtualTimeRate)(mVirtualTimeRateQueued);
1548	mVirtualTimeRateQueued = UINT32_MAX;
1549	}
1550	mFlushMode = false;
1551	}
1552
1553	// private methods
1554	/////////////////////////////////////////////////////////////////////////////
1555
1556	bool MachineDebugger::i_queueSettings() const
1557	{
1558	if (!mFlushMode)
1559	{
1560	// check if the machine is running
1561	MachineState_T machineState;
1562	mParent->COMGETTER(State)(&machineState);
1563	switch (machineState)
1564	{
1565	// queue the request
1566	default:
1567	return true;
1568
1569	case MachineState_Running:
1570	case MachineState_Paused:
1571	case MachineState_Stuck:
1572	case MachineState_LiveSnapshotting:
1573	case MachineState_Teleporting:
1574	break;
1575	}
1576	}
1577	return false;
1578	}
1579	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/MachineDebuggerImpl.cpp@ 106061

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