MachineDebuggerImpl.cpp@ 98725

Last change on this file since 98725 was 98278, checked in by vboxsync, 23 months ago
Main/src-client: Some more rc -> hrc/vrc stuff found by grep. A build fix. bugref:10223
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 50.9 KB

Line
1	/* $Id: MachineDebuggerImpl.cpp 98278 2023-01-24 11:55:00Z vboxsync $ */
2	/** @file
3	* VBox IMachineDebugger COM class implementation (VBoxC).
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 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_IEM: *apenmEngine = VMExecutionEngine_Emulated; break;
438	case VM_EXEC_ENGINE_HW_VIRT: *apenmEngine = VMExecutionEngine_HwVirt; break;
439	case VM_EXEC_ENGINE_NATIVE_API: *apenmEngine = VMExecutionEngine_NativeApi; break;
440	default: AssertMsgFailed(("bEngine=%d\n", bEngine));
441	}
442	}
443
444	return S_OK;
445	}
446
447	/**
448	* Returns the current nested paging flag.
449	*
450	* @returns COM status code
451	* @param aHWVirtExNestedPagingEnabled address of result variable
452	*/
453	HRESULT MachineDebugger::getHWVirtExNestedPagingEnabled(BOOL *aHWVirtExNestedPagingEnabled)
454	{
455	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
456
457	Console::SafeVMPtrQuiet ptrVM(mParent);
458	if (ptrVM.isOk())
459	*aHWVirtExNestedPagingEnabled = ptrVM.vtable()->pfnHMR3IsNestedPagingActive(ptrVM.rawUVM());
460	else
461	*aHWVirtExNestedPagingEnabled = false;
462
463	return S_OK;
464	}
465
466	/**
467	* Returns the current VPID flag.
468	*
469	* @returns COM status code
470	* @param aHWVirtExVPIDEnabled address of result variable
471	*/
472	HRESULT MachineDebugger::getHWVirtExVPIDEnabled(BOOL *aHWVirtExVPIDEnabled)
473	{
474	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
475
476	Console::SafeVMPtrQuiet ptrVM(mParent);
477	if (ptrVM.isOk())
478	*aHWVirtExVPIDEnabled = ptrVM.vtable()->pfnHMR3IsVpidActive(ptrVM.rawUVM());
479	else
480	*aHWVirtExVPIDEnabled = false;
481
482	return S_OK;
483	}
484
485	/**
486	* Returns the current unrestricted execution setting.
487	*
488	* @returns COM status code
489	* @param aHWVirtExUXEnabled address of result variable
490	*/
491	HRESULT MachineDebugger::getHWVirtExUXEnabled(BOOL *aHWVirtExUXEnabled)
492	{
493	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
494
495	Console::SafeVMPtrQuiet ptrVM(mParent);
496	if (ptrVM.isOk())
497	*aHWVirtExUXEnabled = ptrVM.vtable()->pfnHMR3IsUXActive(ptrVM.rawUVM());
498	else
499	*aHWVirtExUXEnabled = false;
500
501	return S_OK;
502	}
503
504	HRESULT MachineDebugger::getOSName(com::Utf8Str &aOSName)
505	{
506	LogFlowThisFunc(("\n"));
507	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
508
509	Console::SafeVMPtr ptrVM(mParent);
510	HRESULT hrc = ptrVM.hrc();
511	if (SUCCEEDED(hrc))
512	{
513	/*
514	* Do the job and try convert the name.
515	*/
516	char szName[64];
517	int vrc = ptrVM.vtable()->pfnDBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), szName, sizeof(szName), NULL, 0);
518	if (RT_SUCCESS(vrc))
519	hrc = aOSName.assignEx(szName);
520	else
521	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
522	}
523	return hrc;
524	}
525
526	HRESULT MachineDebugger::getOSVersion(com::Utf8Str &aOSVersion)
527	{
528	LogFlowThisFunc(("\n"));
529	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
530
531	Console::SafeVMPtr ptrVM(mParent);
532	HRESULT hrc = ptrVM.hrc();
533	if (SUCCEEDED(hrc))
534	{
535	/*
536	* Do the job and try convert the name.
537	*/
538	char szVersion[256];
539	int vrc = ptrVM.vtable()->pfnDBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), NULL, 0, szVersion, sizeof(szVersion));
540	if (RT_SUCCESS(vrc))
541	hrc = aOSVersion.assignEx(szVersion);
542	else
543	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
544	}
545	return hrc;
546	}
547
548	/**
549	* Returns the current PAE flag.
550	*
551	* @returns COM status code
552	* @param aPAEEnabled address of result variable.
553	*/
554	HRESULT MachineDebugger::getPAEEnabled(BOOL *aPAEEnabled)
555	{
556	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
557
558	Console::SafeVMPtrQuiet ptrVM(mParent);
559	if (ptrVM.isOk())
560	{
561	uint32_t cr4;
562	int vrc = ptrVM.vtable()->pfnDBGFR3RegCpuQueryU32(ptrVM.rawUVM(), 0 /idCpu/, DBGFREG_CR4, &cr4); AssertRC(vrc);
563	*aPAEEnabled = RT_BOOL(cr4 & X86_CR4_PAE);
564	}
565	else
566	*aPAEEnabled = false;
567
568	return S_OK;
569	}
570
571	/**
572	* Returns the current virtual time rate.
573	*
574	* @returns COM status code.
575	* @param aVirtualTimeRate Where to store the rate.
576	*/
577	HRESULT MachineDebugger::getVirtualTimeRate(ULONG *aVirtualTimeRate)
578	{
579	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
580
581	Console::SafeVMPtr ptrVM(mParent);
582	HRESULT hrc = ptrVM.hrc();
583	if (SUCCEEDED(hrc))
584	*aVirtualTimeRate = ptrVM.vtable()->pfnTMR3GetWarpDrive(ptrVM.rawUVM());
585
586	return hrc;
587	}
588
589	/**
590	* Set the virtual time rate.
591	*
592	* @returns COM status code.
593	* @param aVirtualTimeRate The new rate.
594	*/
595	HRESULT MachineDebugger::setVirtualTimeRate(ULONG aVirtualTimeRate)
596	{
597	HRESULT hrc = S_OK;
598
599	if (aVirtualTimeRate < 2 \|\| aVirtualTimeRate > 20000)
600	return setError(E_INVALIDARG, tr("%u is out of range [2..20000]"), aVirtualTimeRate);
601
602	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
603	if (i_queueSettings())
604	mVirtualTimeRateQueued = aVirtualTimeRate;
605	else
606	{
607	Console::SafeVMPtr ptrVM(mParent);
608	hrc = ptrVM.hrc();
609	if (SUCCEEDED(hrc))
610	{
611	int vrc = ptrVM.vtable()->pfnTMR3SetWarpDrive(ptrVM.rawUVM(), aVirtualTimeRate);
612	if (RT_FAILURE(vrc))
613	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("TMR3SetWarpDrive(, %u) failed with vrc=%Rrc"), aVirtualTimeRate, vrc);
614	}
615	}
616
617	return hrc;
618	}
619
620	/**
621	* Get the VM uptime in milliseconds.
622	*
623	* @returns COM status code
624	* @param aUptime Where to store the uptime.
625	*/
626	HRESULT MachineDebugger::getUptime(LONG64 *aUptime)
627	{
628	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
629
630	Console::SafeVMPtr ptrVM(mParent);
631	HRESULT hrc = ptrVM.hrc();
632	if (SUCCEEDED(hrc))
633	*aUptime = (int64_t)ptrVM.vtable()->pfnTMR3TimeVirtGetMilli(ptrVM.rawUVM());
634
635	return hrc;
636	}
637
638	// IMachineDebugger methods
639	/////////////////////////////////////////////////////////////////////////////
640
641	HRESULT MachineDebugger::dumpGuestCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
642	{
643	if (aCompression.length())
644	return setError(E_INVALIDARG, tr("The compression parameter must be empty"));
645
646	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
647	Console::SafeVMPtr ptrVM(mParent);
648	HRESULT hrc = ptrVM.hrc();
649	if (SUCCEEDED(hrc))
650	{
651	int vrc = ptrVM.vtable()->pfnDBGFR3CoreWrite(ptrVM.rawUVM(), aFilename.c_str(), false /fReplaceFile/);
652	if (RT_SUCCESS(vrc))
653	hrc = S_OK;
654	else
655	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3CoreWrite failed with %Rrc"), vrc);
656	}
657
658	return hrc;
659	}
660
661	HRESULT MachineDebugger::dumpHostProcessCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
662	{
663	RT_NOREF(aFilename, aCompression);
664	ReturnComNotImplemented();
665	}
666
667	/**
668	* Debug info string buffer formatter.
669	*/
670	typedef struct MACHINEDEBUGGERINOFHLP
671	{
672	/** The core info helper structure. */
673	DBGFINFOHLP Core;
674	/** Pointer to the buffer. */
675	char *pszBuf;
676	/** The size of the buffer. */
677	size_t cbBuf;
678	/** The offset into the buffer */
679	size_t offBuf;
680	/** Indicates an out-of-memory condition. */
681	bool fOutOfMemory;
682	} MACHINEDEBUGGERINOFHLP;
683	/** Pointer to a Debug info string buffer formatter. */
684	typedef MACHINEDEBUGGERINOFHLP *PMACHINEDEBUGGERINOFHLP;
685
686
687	/**
688	* @callback_method_impl{FNRTSTROUTPUT}
689	*/
690	static DECLCALLBACK(size_t) MachineDebuggerInfoOutput(void pvArg, const char pachChars, size_t cbChars)
691	{
692	PMACHINEDEBUGGERINOFHLP pHlp = (PMACHINEDEBUGGERINOFHLP)pvArg;
693
694	/*
695	* Grow the buffer if required.
696	*/
697	size_t const cbRequired = cbChars + pHlp->offBuf + 1;
698	if (cbRequired > pHlp->cbBuf)
699	{
700	if (RT_UNLIKELY(pHlp->fOutOfMemory))
701	return 0;
702
703	size_t cbBufNew = pHlp->cbBuf * 2;
704	if (cbRequired > cbBufNew)
705	cbBufNew = RT_ALIGN_Z(cbRequired, 256);
706	void *pvBufNew = RTMemRealloc(pHlp->pszBuf, cbBufNew);
707	if (RT_UNLIKELY(!pvBufNew))
708	{
709	pHlp->fOutOfMemory = true;
710	RTMemFree(pHlp->pszBuf);
711	pHlp->pszBuf = NULL;
712	pHlp->cbBuf = 0;
713	pHlp->offBuf = 0;
714	return 0;
715	}
716
717	pHlp->pszBuf = (char *)pvBufNew;
718	pHlp->cbBuf = cbBufNew;
719	}
720
721	/*
722	* Copy the bytes into the buffer and terminate it.
723	*/
724	if (cbChars)
725	{
726	memcpy(&pHlp->pszBuf[pHlp->offBuf], pachChars, cbChars);
727	pHlp->offBuf += cbChars;
728	}
729	pHlp->pszBuf[pHlp->offBuf] = '\0';
730	Assert(pHlp->offBuf < pHlp->cbBuf);
731	return cbChars;
732	}
733
734	/**
735	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
736	*/
737	static DECLCALLBACK(void) MachineDebuggerInfoPrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
738	{
739	RTStrFormatV(MachineDebuggerInfoOutput, (void *)pHlp, NULL, NULL, pszFormat, args);
740	}
741
742	/**
743	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
744	*/
745	static DECLCALLBACK(void) MachineDebuggerInfoPrintf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
746	{
747	va_list va;
748	va_start(va, pszFormat);
749	MachineDebuggerInfoPrintfV(pHlp, pszFormat, va);
750	va_end(va);
751	}
752
753	/**
754	* Initializes the debug info string buffer formatter
755	*
756	* @param pHlp The help structure to init.
757	* @param pVMM The VMM vtable.
758	*/
759	static void MachineDebuggerInfoInit(PMACHINEDEBUGGERINOFHLP pHlp, PCVMMR3VTABLE pVMM)
760	{
761	pHlp->Core.pfnPrintf = MachineDebuggerInfoPrintf;
762	pHlp->Core.pfnPrintfV = MachineDebuggerInfoPrintfV;
763	pHlp->Core.pfnGetOptError = pVMM->pfnDBGFR3InfoGenericGetOptError;
764	pHlp->pszBuf = NULL;
765	pHlp->cbBuf = 0;
766	pHlp->offBuf = 0;
767	pHlp->fOutOfMemory = false;
768	}
769
770	/**
771	* Deletes the debug info string buffer formatter.
772	* @param pHlp The helper structure to delete.
773	*/
774	static void MachineDebuggerInfoDelete(PMACHINEDEBUGGERINOFHLP pHlp)
775	{
776	RTMemFree(pHlp->pszBuf);
777	pHlp->pszBuf = NULL;
778	}
779
780	HRESULT MachineDebugger::info(const com::Utf8Str &aName, const com::Utf8Str &aArgs, com::Utf8Str &aInfo)
781	{
782	LogFlowThisFunc(("\n"));
783
784	/*
785	* Do the autocaller and lock bits.
786	*/
787	AutoCaller autoCaller(this);
788	HRESULT hrc = autoCaller.hrc();
789	if (SUCCEEDED(hrc))
790	{
791	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
792	Console::SafeVMPtr ptrVM(mParent);
793	hrc = ptrVM.hrc();
794	if (SUCCEEDED(hrc))
795	{
796	/*
797	* Create a helper and call DBGFR3Info.
798	*/
799	MACHINEDEBUGGERINOFHLP Hlp;
800	MachineDebuggerInfoInit(&Hlp, ptrVM.vtable());
801	int vrc = ptrVM.vtable()->pfnDBGFR3Info(ptrVM.rawUVM(), aName.c_str(), aArgs.c_str(), &Hlp.Core);
802	if (RT_SUCCESS(vrc))
803	{
804	if (!Hlp.fOutOfMemory)
805	hrc = aInfo.assignEx(Hlp.pszBuf);
806	else
807	hrc = E_OUTOFMEMORY;
808	}
809	else
810	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3Info failed with %Rrc"), vrc);
811	MachineDebuggerInfoDelete(&Hlp);
812	}
813	}
814	return hrc;
815	}
816
817	HRESULT MachineDebugger::injectNMI()
818	{
819	LogFlowThisFunc(("\n"));
820
821	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
822	Console::SafeVMPtr ptrVM(mParent);
823	HRESULT hrc = ptrVM.hrc();
824	if (SUCCEEDED(hrc))
825	{
826	int vrc = ptrVM.vtable()->pfnDBGFR3InjectNMI(ptrVM.rawUVM(), 0);
827	if (RT_SUCCESS(vrc))
828	hrc = S_OK;
829	else
830	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3InjectNMI failed with %Rrc"), vrc);
831	}
832	return hrc;
833	}
834
835	HRESULT MachineDebugger::modifyLogFlags(const com::Utf8Str &aSettings)
836	{
837	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
838	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
839	Console::SafeVMPtr ptrVM(mParent);
840	HRESULT hrc = ptrVM.hrc();
841	if (SUCCEEDED(hrc))
842	{
843	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyFlags(ptrVM.rawUVM(), aSettings.c_str());
844	if (RT_SUCCESS(vrc))
845	hrc = S_OK;
846	else
847	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyFlags failed with %Rrc"), vrc);
848	}
849	return hrc;
850	}
851
852	HRESULT MachineDebugger::modifyLogGroups(const com::Utf8Str &aSettings)
853	{
854	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
855	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
856	Console::SafeVMPtr ptrVM(mParent);
857	HRESULT hrc = ptrVM.hrc();
858	if (SUCCEEDED(hrc))
859	{
860	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyGroups(ptrVM.rawUVM(), aSettings.c_str());
861	if (RT_SUCCESS(vrc))
862	hrc = S_OK;
863	else
864	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyGroups failed with %Rrc"), vrc);
865	}
866	return hrc;
867	}
868
869	HRESULT MachineDebugger::modifyLogDestinations(const com::Utf8Str &aSettings)
870	{
871	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
872	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
873	Console::SafeVMPtr ptrVM(mParent);
874	HRESULT hrc = ptrVM.hrc();
875	if (SUCCEEDED(hrc))
876	{
877	int vrc = ptrVM.vtable()->pfnDBGFR3LogModifyDestinations(ptrVM.rawUVM(), aSettings.c_str());
878	if (RT_SUCCESS(vrc))
879	hrc = S_OK;
880	else
881	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyDestinations failed with %Rrc"), vrc);
882	}
883	return hrc;
884	}
885
886	HRESULT MachineDebugger::readPhysicalMemory(LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
887	{
888	RT_NOREF(aAddress, aSize, aBytes);
889	ReturnComNotImplemented();
890	}
891
892	HRESULT MachineDebugger::writePhysicalMemory(LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
893	{
894	RT_NOREF(aAddress, aSize, aBytes);
895	ReturnComNotImplemented();
896	}
897
898	HRESULT MachineDebugger::readVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
899	{
900	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
901	ReturnComNotImplemented();
902	}
903
904	HRESULT MachineDebugger::writeVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
905	{
906	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
907	ReturnComNotImplemented();
908	}
909
910	HRESULT MachineDebugger::loadPlugIn(const com::Utf8Str &aName, com::Utf8Str &aPlugInName)
911	{
912	/*
913	* Lock the debugger and get the VM pointer
914	*/
915	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
916	Console::SafeVMPtr ptrVM(mParent);
917	HRESULT hrc = ptrVM.hrc();
918	if (SUCCEEDED(hrc))
919	{
920	/*
921	* Do the job and try convert the name.
922	*/
923	if (aName.equals("all"))
924	{
925	ptrVM.vtable()->pfnDBGFR3PlugInLoadAll(ptrVM.rawUVM());
926	hrc = aPlugInName.assignEx("all");
927	}
928	else
929	{
930	RTERRINFOSTATIC ErrInfo;
931	char szName[80];
932	int vrc = ptrVM.vtable()->pfnDBGFR3PlugInLoad(ptrVM.rawUVM(), aName.c_str(), szName, sizeof(szName), RTErrInfoInitStatic(&ErrInfo));
933	if (RT_SUCCESS(vrc))
934	hrc = aPlugInName.assignEx(szName);
935	else
936	hrc = setErrorVrc(vrc, "%s", ErrInfo.szMsg);
937	}
938	}
939	return hrc;
940
941	}
942
943	HRESULT MachineDebugger::unloadPlugIn(const com::Utf8Str &aName)
944	{
945	/*
946	* Lock the debugger and get the VM pointer
947	*/
948	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
949	Console::SafeVMPtr ptrVM(mParent);
950	HRESULT hrc = ptrVM.hrc();
951	if (SUCCEEDED(hrc))
952	{
953	/*
954	* Do the job and try convert the name.
955	*/
956	if (aName.equals("all"))
957	{
958	ptrVM.vtable()->pfnDBGFR3PlugInUnloadAll(ptrVM.rawUVM());
959	hrc = S_OK;
960	}
961	else
962	{
963	int vrc = ptrVM.vtable()->pfnDBGFR3PlugInUnload(ptrVM.rawUVM(), aName.c_str());
964	if (RT_SUCCESS(vrc))
965	hrc = S_OK;
966	else if (vrc == VERR_NOT_FOUND)
967	hrc = setErrorBoth(E_FAIL, vrc, tr("Plug-in '%s' was not found"), aName.c_str());
968	else
969	hrc = setErrorVrc(vrc, tr("Error unloading '%s': %Rrc"), aName.c_str(), vrc);
970	}
971	}
972	return hrc;
973
974	}
975
976	HRESULT MachineDebugger::detectOS(com::Utf8Str &aOs)
977	{
978	LogFlowThisFunc(("\n"));
979
980	/*
981	* Lock the debugger and get the VM pointer
982	*/
983	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
984	Console::SafeVMPtr ptrVM(mParent);
985	HRESULT hrc = ptrVM.hrc();
986	if (SUCCEEDED(hrc))
987	{
988	/*
989	* Do the job.
990	*/
991	char szName[64];
992	int vrc = ptrVM.vtable()->pfnDBGFR3OSDetect(ptrVM.rawUVM(), szName, sizeof(szName));
993	if (RT_SUCCESS(vrc) && vrc != VINF_DBGF_OS_NOT_DETCTED)
994	hrc = aOs.assignEx(szName);
995	else
996	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSDetect failed with %Rrc"), vrc);
997	}
998	return hrc;
999	}
1000
1001	HRESULT MachineDebugger::queryOSKernelLog(ULONG aMaxMessages, com::Utf8Str &aDmesg)
1002	{
1003	/*
1004	* Lock the debugger and get the VM pointer
1005	*/
1006	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1007	Console::SafeVMPtr ptrVM(mParent);
1008	HRESULT hrc = ptrVM.hrc();
1009	if (SUCCEEDED(hrc))
1010	{
1011	PDBGFOSIDMESG pDmesg = (PDBGFOSIDMESG)ptrVM.vtable()->pfnDBGFR3OSQueryInterface(ptrVM.rawUVM(), DBGFOSINTERFACE_DMESG);
1012	if (pDmesg)
1013	{
1014	size_t cbActual;
1015	size_t cbBuf = _512K;
1016	int vrc = aDmesg.reserveNoThrow(cbBuf);
1017	if (RT_SUCCESS(vrc))
1018	{
1019	uint32_t cMessages = aMaxMessages == 0 ? UINT32_MAX : aMaxMessages;
1020	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), ptrVM.vtable(), 0 /fFlags/, cMessages,
1021	aDmesg.mutableRaw(), cbBuf, &cbActual);
1022
1023	uint32_t cTries = 10;
1024	while (vrc == VERR_BUFFER_OVERFLOW && cbBuf < 16*_1M && cTries-- > 0)
1025	{
1026	cbBuf = RT_ALIGN_Z(cbActual + _4K, _4K);
1027	vrc = aDmesg.reserveNoThrow(cbBuf);
1028	if (RT_SUCCESS(vrc))
1029	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), ptrVM.vtable(), 0 /fFlags/, cMessages,
1030	aDmesg.mutableRaw(), cbBuf, &cbActual);
1031	}
1032	if (RT_SUCCESS(vrc))
1033	aDmesg.jolt();
1034	else if (vrc == VERR_BUFFER_OVERFLOW)
1035	hrc = setError(E_FAIL, tr("Too much log available, must use the maxMessages parameter to restrict."));
1036	else
1037	hrc = setErrorVrc(vrc);
1038	}
1039	else
1040	hrc = setErrorBoth(E_OUTOFMEMORY, vrc);
1041	}
1042	else
1043	hrc = setError(E_FAIL, tr("The dmesg interface isn't implemented by guest OS digger, or detectOS() has not been called."));
1044	}
1045	return hrc;
1046	}
1047
1048	HRESULT MachineDebugger::getRegister(ULONG aCpuId, const com::Utf8Str &aName, com::Utf8Str &aValue)
1049	{
1050	/*
1051	* The prologue.
1052	*/
1053	LogFlowThisFunc(("\n"));
1054	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1055	Console::SafeVMPtr ptrVM(mParent);
1056	HRESULT hrc = ptrVM.hrc();
1057	if (SUCCEEDED(hrc))
1058	{
1059	/*
1060	* Real work.
1061	*/
1062	DBGFREGVAL Value;
1063	DBGFREGVALTYPE enmType;
1064	int vrc = ptrVM.vtable()->pfnDBGFR3RegNmQuery(ptrVM.rawUVM(), aCpuId, aName.c_str(), &Value, &enmType);
1065	if (RT_SUCCESS(vrc))
1066	{
1067	char szHex[160];
1068	ssize_t cch = ptrVM.vtable()->pfnDBGFR3RegFormatValue(szHex, sizeof(szHex), &Value, enmType, true /fSpecial/);
1069	if (cch > 0)
1070	hrc = aValue.assignEx(szHex);
1071	else
1072	hrc = E_UNEXPECTED;
1073	}
1074	else if (vrc == VERR_DBGF_REGISTER_NOT_FOUND)
1075	hrc = setErrorBoth(E_FAIL, vrc, tr("Register '%s' was not found"), aName.c_str());
1076	else if (vrc == VERR_INVALID_CPU_ID)
1077	hrc = setErrorBoth(E_FAIL, vrc, tr("Invalid CPU ID: %u"), aCpuId);
1078	else
1079	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc,
1080	tr("DBGFR3RegNmQuery failed with vrc=%Rrc querying register '%s' with default cpu set to %u"),
1081	vrc, aName.c_str(), aCpuId);
1082	}
1083
1084	return hrc;
1085	}
1086
1087	HRESULT MachineDebugger::getRegisters(ULONG aCpuId, std::vector<com::Utf8Str> &aNames, std::vector<com::Utf8Str> &aValues)
1088	{
1089	RT_NOREF(aCpuId); /** @todo fix missing aCpuId usage! */
1090
1091	/*
1092	* The prologue.
1093	*/
1094	LogFlowThisFunc(("\n"));
1095	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1096	Console::SafeVMPtr ptrVM(mParent);
1097	HRESULT hrc = ptrVM.hrc();
1098	if (SUCCEEDED(hrc))
1099	{
1100	/*
1101	* Real work.
1102	*/
1103	size_t cRegs;
1104	int vrc = ptrVM.vtable()->pfnDBGFR3RegNmQueryAllCount(ptrVM.rawUVM(), &cRegs);
1105	if (RT_SUCCESS(vrc))
1106	{
1107	PDBGFREGENTRYNM paRegs = (PDBGFREGENTRYNM)RTMemAllocZ(sizeof(paRegs[0]) * cRegs);
1108	if (paRegs)
1109	{
1110	vrc = ptrVM.vtable()->pfnDBGFR3RegNmQueryAll(ptrVM.rawUVM(), paRegs, cRegs);
1111	if (RT_SUCCESS(vrc))
1112	{
1113	try
1114	{
1115	aValues.resize(cRegs);
1116	aNames.resize(cRegs);
1117	for (uint32_t iReg = 0; iReg < cRegs; iReg++)
1118	{
1119	char szHex[160];
1120	szHex[159] = szHex[0] = '\0';
1121	ssize_t cch = ptrVM.vtable()->pfnDBGFR3RegFormatValue(szHex, sizeof(szHex), &paRegs[iReg].Val,
1122	paRegs[iReg].enmType, true /fSpecial/);
1123	Assert(cch > 0); NOREF(cch);
1124	aNames[iReg] = paRegs[iReg].pszName;
1125	aValues[iReg] = szHex;
1126	}
1127	}
1128	catch (std::bad_alloc &)
1129	{
1130	hrc = E_OUTOFMEMORY;
1131	}
1132	}
1133	else
1134	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAll failed with %Rrc"), vrc);
1135
1136	RTMemFree(paRegs);
1137	}
1138	else
1139	hrc = E_OUTOFMEMORY;
1140	}
1141	else
1142	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAllCount failed with %Rrc"), vrc);
1143	}
1144	return hrc;
1145	}
1146
1147	HRESULT MachineDebugger::setRegister(ULONG aCpuId, const com::Utf8Str &aName, const com::Utf8Str &aValue)
1148	{
1149	RT_NOREF(aCpuId, aName, aValue);
1150	ReturnComNotImplemented();
1151	}
1152
1153	HRESULT MachineDebugger::setRegisters(ULONG aCpuId, const std::vector<com::Utf8Str> &aNames,
1154	const std::vector<com::Utf8Str> &aValues)
1155	{
1156	RT_NOREF(aCpuId, aNames, aValues);
1157	ReturnComNotImplemented();
1158	}
1159
1160	HRESULT MachineDebugger::dumpGuestStack(ULONG aCpuId, com::Utf8Str &aStack)
1161	{
1162	/*
1163	* The prologue.
1164	*/
1165	LogFlowThisFunc(("\n"));
1166	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1167	Console::SafeVMPtr ptrVM(mParent);
1168	HRESULT hrc = ptrVM.hrc();
1169	if (SUCCEEDED(hrc))
1170	{
1171	/*
1172	* There is currently a problem with the windows diggers and SMP, where
1173	* guest driver memory is being read from CPU zero in order to ensure that
1174	* we've got a consisten virtual memory view. If one of the other CPUs
1175	* initiates a rendezvous while we're unwinding the stack and trying to
1176	* read guest driver memory, we will deadlock.
1177	*
1178	* So, check the VM state and maybe suspend the VM before we continue.
1179	*/
1180	int vrc = VINF_SUCCESS;
1181	bool fPaused = false;
1182	if (aCpuId != 0)
1183	{
1184	VMSTATE enmVmState = ptrVM.vtable()->pfnVMR3GetStateU(ptrVM.rawUVM());
1185	if ( enmVmState == VMSTATE_RUNNING
1186	\|\| enmVmState == VMSTATE_RUNNING_LS)
1187	{
1188	alock.release();
1189	vrc = ptrVM.vtable()->pfnVMR3Suspend(ptrVM.rawUVM(), VMSUSPENDREASON_USER);
1190	alock.acquire();
1191	fPaused = RT_SUCCESS(vrc);
1192	}
1193	}
1194	if (RT_SUCCESS(vrc))
1195	{
1196	PCDBGFSTACKFRAME pFirstFrame;
1197	vrc = ptrVM.vtable()->pfnDBGFR3StackWalkBegin(ptrVM.rawUVM(), aCpuId, DBGFCODETYPE_GUEST, &pFirstFrame);
1198	if (RT_SUCCESS(vrc))
1199	{
1200	/*
1201	* Print header.
1202	*/
1203	try
1204	{
1205	uint32_t fBitFlags = 0;
1206	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
1207	pFrame;
1208	pFrame = ptrVM.vtable()->pfnDBGFR3StackWalkNext(pFrame))
1209	{
1210	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
1211	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
1212	{
1213	if (fCurBitFlags != fBitFlags)
1214	aStack.append("SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1215	aStack.appendPrintf("%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1216	pFrame->AddrFrame.Sel,
1217	(uint16_t)pFrame->AddrFrame.off,
1218	pFrame->AddrReturnFrame.Sel,
1219	(uint16_t)pFrame->AddrReturnFrame.off,
1220	(uint32_t)pFrame->AddrReturnPC.Sel,
1221	(uint32_t)pFrame->AddrReturnPC.off,
1222	pFrame->Args.au32[0],
1223	pFrame->Args.au32[1],
1224	pFrame->Args.au32[2],
1225	pFrame->Args.au32[3]);
1226	}
1227	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
1228	{
1229	if (fCurBitFlags != fBitFlags)
1230	aStack.append("EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1231	aStack.appendPrintf("%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1232	(uint32_t)pFrame->AddrFrame.off,
1233	(uint32_t)pFrame->AddrReturnFrame.off,
1234	(uint32_t)pFrame->AddrReturnPC.Sel,
1235	(uint32_t)pFrame->AddrReturnPC.off,
1236	pFrame->Args.au32[0],
1237	pFrame->Args.au32[1],
1238	pFrame->Args.au32[2],
1239	pFrame->Args.au32[3]);
1240	}
1241	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
1242	{
1243	if (fCurBitFlags != fBitFlags)
1244	aStack.append("RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
1245	aStack.appendPrintf("%016RX64 %04RX16:%016RX64 %016RX64",
1246	(uint64_t)pFrame->AddrFrame.off,
1247	pFrame->AddrReturnFrame.Sel,
1248	(uint64_t)pFrame->AddrReturnFrame.off,
1249	(uint64_t)pFrame->AddrReturnPC.off);
1250	}
1251
1252	if (!pFrame->pSymPC)
1253	aStack.appendPrintf(fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
1254	? " %RTsel:%016RGv"
1255	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
1256	? " %RTsel:%08RGv"
1257	: " %RTsel:%04RGv"
1258	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
1259	else
1260	{
1261	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
1262	if (offDisp > 0)
1263	aStack.appendPrintf(" %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
1264	else if (offDisp < 0)
1265	aStack.appendPrintf(" %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
1266	else
1267	aStack.appendPrintf(" %s", pFrame->pSymPC->szName);
1268	}
1269	if (pFrame->pLinePC)
1270	aStack.appendPrintf(" [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
1271	aStack.append("\n");
1272
1273	fBitFlags = fCurBitFlags;
1274	}
1275	}
1276	catch (std::bad_alloc &)
1277	{
1278	hrc = E_OUTOFMEMORY;
1279	}
1280
1281	ptrVM.vtable()->pfnDBGFR3StackWalkEnd(pFirstFrame);
1282	}
1283	else
1284	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3StackWalkBegin failed with %Rrc"), vrc);
1285
1286	/*
1287	* Resume the VM if we suspended it.
1288	*/
1289	if (fPaused)
1290	{
1291	alock.release();
1292	ptrVM.vtable()->pfnVMR3Resume(ptrVM.rawUVM(), VMRESUMEREASON_USER);
1293	}
1294	}
1295	else
1296	hrc = setErrorBoth(E_FAIL, vrc, tr("Suspending the VM failed with %Rrc\n"), vrc);
1297	}
1298
1299	return hrc;
1300	}
1301
1302	/**
1303	* Resets VM statistics.
1304	*
1305	* @returns COM status code.
1306	* @param aPattern The selection pattern. A bit similar to filename globbing.
1307	*/
1308	HRESULT MachineDebugger::resetStats(const com::Utf8Str &aPattern)
1309	{
1310	Console::SafeVMPtrQuiet ptrVM(mParent);
1311	if (!ptrVM.isOk())
1312	return setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1313
1314	ptrVM.vtable()->pfnSTAMR3Reset(ptrVM.rawUVM(), aPattern.c_str());
1315
1316	return S_OK;
1317	}
1318
1319	/**
1320	* Dumps VM statistics to the log.
1321	*
1322	* @returns COM status code.
1323	* @param aPattern The selection pattern. A bit similar to filename globbing.
1324	*/
1325	HRESULT MachineDebugger::dumpStats(const com::Utf8Str &aPattern)
1326	{
1327	Console::SafeVMPtrQuiet ptrVM(mParent);
1328	if (!ptrVM.isOk())
1329	return setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1330
1331	ptrVM.vtable()->pfnSTAMR3Dump(ptrVM.rawUVM(), aPattern.c_str());
1332
1333	return S_OK;
1334	}
1335
1336	/**
1337	* Get the VM statistics in an XML format.
1338	*
1339	* @returns COM status code.
1340	* @param aPattern The selection pattern. A bit similar to filename globbing.
1341	* @param aWithDescriptions Whether to include the descriptions.
1342	* @param aStats The XML document containing the statistics.
1343	*/
1344	HRESULT MachineDebugger::getStats(const com::Utf8Str &aPattern, BOOL aWithDescriptions, com::Utf8Str &aStats)
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	char *pszSnapshot;
1351	int vrc = ptrVM.vtable()->pfnSTAMR3Snapshot(ptrVM.rawUVM(), aPattern.c_str(), &pszSnapshot, NULL, !!aWithDescriptions);
1352	if (RT_FAILURE(vrc))
1353	return vrc == VERR_NO_MEMORY ? E_OUTOFMEMORY : E_FAIL;
1354
1355	/** @todo this is horribly inefficient! And it's kinda difficult to tell whether it failed...
1356	* Must use UTF-8 or ASCII here and completely avoid these two extra copy operations.
1357	* Until that's done, this method is kind of useless for debugger statistics GUI because
1358	* of the amount statistics in a debug build. */
1359	HRESULT hrc = aStats.assignEx(pszSnapshot);
1360	ptrVM.vtable()->pfnSTAMR3SnapshotFree(ptrVM.rawUVM(), pszSnapshot);
1361
1362	return hrc;
1363	}
1364
1365
1366	/** Wrapper around TMR3GetCpuLoadPercents. */
1367	HRESULT MachineDebugger::getCPULoad(ULONG aCpuId, ULONG aPctExecuting, ULONG aPctHalted, ULONG aPctOther, LONG64 aMsInterval)
1368	{
1369	HRESULT hrc;
1370	Console::SafeVMPtrQuiet ptrVM(mParent);
1371	if (ptrVM.isOk())
1372	{
1373	uint8_t uPctExecuting = 0;
1374	uint8_t uPctHalted = 0;
1375	uint8_t uPctOther = 0;
1376	uint64_t msInterval = 0;
1377	int vrc = ptrVM.vtable()->pfnTMR3GetCpuLoadPercents(ptrVM.rawUVM(), aCpuId >= UINT32_MAX / 2 ? VMCPUID_ALL : aCpuId,
1378	&msInterval, &uPctExecuting, &uPctHalted, &uPctOther);
1379	if (RT_SUCCESS(vrc))
1380	{
1381	*aPctExecuting = uPctExecuting;
1382	*aPctHalted = uPctHalted;
1383	*aPctOther = uPctOther;
1384	*aMsInterval = msInterval;
1385	hrc = S_OK;
1386	}
1387	else
1388	hrc = setErrorVrc(vrc);
1389	}
1390	else
1391	hrc = setError(VBOX_E_INVALID_VM_STATE, tr("Machine is not running"));
1392	return hrc;
1393	}
1394
1395
1396	HRESULT MachineDebugger::takeGuestSample(const com::Utf8Str &aFilename, ULONG aUsInterval, LONG64 aUsSampleTime, ComPtr<IProgress> &pProgress)
1397	{
1398	/*
1399	* The prologue.
1400	*/
1401	LogFlowThisFunc(("\n"));
1402	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1403	Console::SafeVMPtr ptrVM(mParent);
1404	HRESULT hrc = ptrVM.hrc();
1405	if (SUCCEEDED(hrc))
1406	{
1407	if (!m_hSampleReport)
1408	{
1409	m_strFilename = aFilename;
1410
1411	int vrc = ptrVM.vtable()->pfnDBGFR3SampleReportCreate(ptrVM.rawUVM(), aUsInterval,
1412	DBGF_SAMPLE_REPORT_F_STACK_REVERSE, &m_hSampleReport);
1413	if (RT_SUCCESS(vrc))
1414	{
1415	hrc = m_Progress.createObject();
1416	if (SUCCEEDED(hrc))
1417	{
1418	hrc = m_Progress->init(static_cast<IMachineDebugger*>(this),
1419	tr("Creating guest sample report..."),
1420	TRUE /* aCancelable */);
1421	if (SUCCEEDED(hrc))
1422	{
1423	vrc = ptrVM.vtable()->pfnDBGFR3SampleReportStart(m_hSampleReport, aUsSampleTime, i_dbgfProgressCallback,
1424	static_cast<MachineDebugger*>(this));
1425	if (RT_SUCCESS(vrc))
1426	hrc = m_Progress.queryInterfaceTo(pProgress.asOutParam());
1427	else
1428	hrc = setErrorVrc(vrc);
1429	}
1430	}
1431
1432	if (FAILED(hrc))
1433	{
1434	ptrVM.vtable()->pfnDBGFR3SampleReportRelease(m_hSampleReport);
1435	m_hSampleReport = NULL;
1436	}
1437	}
1438	else
1439	hrc = setErrorVrc(vrc);
1440	}
1441	else
1442	hrc = setError(VBOX_E_INVALID_VM_STATE, tr("A sample report is already in progress"));
1443	}
1444
1445	return hrc;
1446	}
1447
1448	/**
1449	* Hack for getting the user mode VM handle (UVM) and VMM function table.
1450	*
1451	* @returns COM status code
1452	* @param aMagicVersion The VMMR3VTABLE_MAGIC_VERSION value of the
1453	* caller so we can check that the function table
1454	* is compatible. (Otherwise, the caller can't
1455	* safely release the UVM reference.)
1456	* @param aUVM Where to store the vm handle. Since there is no
1457	* uintptr_t in COM, we're using the max integer. (No,
1458	* ULONG is not pointer sized!)
1459	* @param aVMMFunctionTable Where to store the vm handle.
1460	*
1461	* @remarks The returned handle must be passed to VMR3ReleaseUVM()!
1462	*/
1463	HRESULT MachineDebugger::getUVMAndVMMFunctionTable(LONG64 aMagicVersion, LONG64 aVMMFunctionTable, LONG64 aUVM)
1464	{
1465	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1466
1467	/*
1468	* Make sure it is a local call.
1469	*/
1470	RTTHREAD hThread = RTThreadSelf();
1471	if (hThread != NIL_RTTHREAD)
1472	{
1473	const char *pszName = RTThreadGetName(hThread);
1474	if ( !RTStrStartsWith(pszName, "ALIEN-") /* COM worker threads are aliens */
1475	&& !RTStrStartsWith(pszName, "nspr-") /* XPCOM worker threads are nspr-X */ )
1476	{
1477	/*
1478	* Use safe VM pointer to get both the UVM and VMM function table.
1479	*/
1480	Console::SafeVMPtr ptrVM(mParent);
1481	HRESULT hrc = ptrVM.hrc();
1482	if (SUCCEEDED(hrc))
1483	{
1484	if (VMMR3VTABLE_IS_COMPATIBLE_EX(ptrVM.vtable()->uMagicVersion, (uint64_t)aMagicVersion))
1485	{
1486	ptrVM.vtable()->pfnVMR3RetainUVM(ptrVM.rawUVM());
1487	*aUVM = (intptr_t)ptrVM.rawUVM();
1488	*aVMMFunctionTable = (intptr_t)ptrVM.vtable();
1489	hrc = S_OK;
1490	}
1491	else
1492	hrc = setError(E_FAIL, tr("Incompatible VMM function table: %RX64 vs %RX64 (caller)"),
1493	ptrVM.vtable()->uMagicVersion, (uint64_t)aMagicVersion);
1494	}
1495	return hrc;
1496	}
1497	}
1498
1499	return setError(E_ACCESSDENIED, tr("The method getUVMAndVMMFunctionTable is only for local calls"));
1500	}
1501
1502
1503
1504	// public methods only for internal purposes
1505	/////////////////////////////////////////////////////////////////////////////
1506
1507	void MachineDebugger::i_flushQueuedSettings()
1508	{
1509	mFlushMode = true;
1510	if (mSingleStepQueued != -1)
1511	{
1512	COMSETTER(SingleStep)(mSingleStepQueued);
1513	mSingleStepQueued = -1;
1514	}
1515	for (unsigned i = 0; i < EMEXECPOLICY_END; i++)
1516	if (maiQueuedEmExecPolicyParams[i] != UINT8_MAX)
1517	{
1518	i_setEmExecPolicyProperty((EMEXECPOLICY)i, RT_BOOL(maiQueuedEmExecPolicyParams[i]));
1519	maiQueuedEmExecPolicyParams[i] = UINT8_MAX;
1520	}
1521	if (mLogEnabledQueued != -1)
1522	{
1523	COMSETTER(LogEnabled)(mLogEnabledQueued);
1524	mLogEnabledQueued = -1;
1525	}
1526	if (mVirtualTimeRateQueued != UINT32_MAX)
1527	{
1528	COMSETTER(VirtualTimeRate)(mVirtualTimeRateQueued);
1529	mVirtualTimeRateQueued = UINT32_MAX;
1530	}
1531	mFlushMode = false;
1532	}
1533
1534	// private methods
1535	/////////////////////////////////////////////////////////////////////////////
1536
1537	bool MachineDebugger::i_queueSettings() const
1538	{
1539	if (!mFlushMode)
1540	{
1541	// check if the machine is running
1542	MachineState_T machineState;
1543	mParent->COMGETTER(State)(&machineState);
1544	switch (machineState)
1545	{
1546	// queue the request
1547	default:
1548	return true;
1549
1550	case MachineState_Running:
1551	case MachineState_Paused:
1552	case MachineState_Stuck:
1553	case MachineState_LiveSnapshotting:
1554	case MachineState_Teleporting:
1555	break;
1556	}
1557	}
1558	return false;
1559	}
1560	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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

source: vbox/trunk/src/VBox/Main/src-client/MachineDebuggerImpl.cpp@ 98725

Download in other formats: